/* * Driver interaction with Linux nl80211/cfg80211 * Copyright (c) 2002-2014, Jouni Malinen * Copyright (c) 2003-2004, Instant802 Networks, Inc. * Copyright (c) 2005-2006, Devicescape Software, Inc. * Copyright (c) 2007, Johannes Berg * Copyright (c) 2009-2010, Atheros Communications * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #include "includes.h" #include #include #include #include #include #ifdef CONFIG_LIBNL3_ROUTE #include #endif /* CONFIG_LIBNL3_ROUTE */ #include #include #include #include "common.h" #include "eloop.h" #include "common/qca-vendor.h" #include "common/qca-vendor-attr.h" #include "common/ieee802_11_defs.h" #include "common/ieee802_11_common.h" #include "l2_packet/l2_packet.h" #include "netlink.h" #include "linux_defines.h" #include "linux_ioctl.h" #include "radiotap.h" #include "radiotap_iter.h" #include "rfkill.h" #include "driver_nl80211.h" #ifndef CONFIG_LIBNL20 /* * libnl 1.1 has a bug, it tries to allocate socket numbers densely * but when you free a socket again it will mess up its bitmap and * and use the wrong number the next time it needs a socket ID. * Therefore, we wrap the handle alloc/destroy and add our own pid * accounting. */ static uint32_t port_bitmap[32] = { 0 }; static struct nl_handle *nl80211_handle_alloc(void *cb) { struct nl_handle *handle; uint32_t pid = getpid() & 0x3FFFFF; int i; handle = nl_handle_alloc_cb(cb); for (i = 0; i < 1024; i++) { if (port_bitmap[i / 32] & (1 << (i % 32))) continue; port_bitmap[i / 32] |= 1 << (i % 32); pid += i << 22; break; } nl_socket_set_local_port(handle, pid); return handle; } static void nl80211_handle_destroy(struct nl_handle *handle) { uint32_t port = nl_socket_get_local_port(handle); port >>= 22; port_bitmap[port / 32] &= ~(1 << (port % 32)); nl_handle_destroy(handle); } #endif /* CONFIG_LIBNL20 */ #ifdef ANDROID /* system/core/libnl_2 does not include nl_socket_set_nonblocking() */ #undef nl_socket_set_nonblocking #define nl_socket_set_nonblocking(h) android_nl_socket_set_nonblocking(h) #define genl_ctrl_resolve android_genl_ctrl_resolve #endif /* ANDROID */ static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg) { struct nl_handle *handle; handle = nl80211_handle_alloc(cb); if (handle == NULL) { wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " "callbacks (%s)", dbg); return NULL; } if (genl_connect(handle)) { wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " "netlink (%s)", dbg); nl80211_handle_destroy(handle); return NULL; } return handle; } static void nl_destroy_handles(struct nl_handle **handle) { if (*handle == NULL) return; nl80211_handle_destroy(*handle); *handle = NULL; } #if __WORDSIZE == 64 #define ELOOP_SOCKET_INVALID (intptr_t) 0x8888888888888889ULL #else #define ELOOP_SOCKET_INVALID (intptr_t) 0x88888889ULL #endif static void nl80211_register_eloop_read(struct nl_handle **handle, eloop_sock_handler handler, void *eloop_data) { nl_socket_set_nonblocking(*handle); eloop_register_read_sock(nl_socket_get_fd(*handle), handler, eloop_data, *handle); *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); } static void nl80211_destroy_eloop_handle(struct nl_handle **handle) { *handle = (void *) (((intptr_t) *handle) ^ ELOOP_SOCKET_INVALID); eloop_unregister_read_sock(nl_socket_get_fd(*handle)); nl_destroy_handles(handle); } static void nl80211_global_deinit(void *priv); static void wpa_driver_nl80211_deinit(struct i802_bss *bss); static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, struct hostapd_freq_params *freq); static int wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, const u8 *set_addr, int first, const char *driver_params); static int nl80211_send_frame_cmd(struct i802_bss *bss, unsigned int freq, unsigned int wait, const u8 *buf, size_t buf_len, u64 *cookie, int no_cck, int no_ack, int offchanok); static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report); static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); static int nl80211_set_channel(struct i802_bss *bss, struct hostapd_freq_params *freq, int set_chan); static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, int ifindex, int disabled); static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv); static int i802_set_iface_flags(struct i802_bss *bss, int up); static int nl80211_set_param(void *priv, const char *param); /* Converts nl80211_chan_width to a common format */ enum chan_width convert2width(int width) { switch (width) { case NL80211_CHAN_WIDTH_20_NOHT: return CHAN_WIDTH_20_NOHT; case NL80211_CHAN_WIDTH_20: return CHAN_WIDTH_20; case NL80211_CHAN_WIDTH_40: return CHAN_WIDTH_40; case NL80211_CHAN_WIDTH_80: return CHAN_WIDTH_80; case NL80211_CHAN_WIDTH_80P80: return CHAN_WIDTH_80P80; case NL80211_CHAN_WIDTH_160: return CHAN_WIDTH_160; } return CHAN_WIDTH_UNKNOWN; } int is_ap_interface(enum nl80211_iftype nlmode) { return nlmode == NL80211_IFTYPE_AP || nlmode == NL80211_IFTYPE_P2P_GO; } int is_sta_interface(enum nl80211_iftype nlmode) { return nlmode == NL80211_IFTYPE_STATION || nlmode == NL80211_IFTYPE_P2P_CLIENT; } static int is_p2p_net_interface(enum nl80211_iftype nlmode) { return nlmode == NL80211_IFTYPE_P2P_CLIENT || nlmode == NL80211_IFTYPE_P2P_GO; } struct i802_bss * get_bss_ifindex(struct wpa_driver_nl80211_data *drv, int ifindex) { struct i802_bss *bss; for (bss = drv->first_bss; bss; bss = bss->next) { if (bss->ifindex == ifindex) return bss; } return NULL; } static int is_mesh_interface(enum nl80211_iftype nlmode) { return nlmode == NL80211_IFTYPE_MESH_POINT; } void nl80211_mark_disconnected(struct wpa_driver_nl80211_data *drv) { if (drv->associated) os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN); drv->associated = 0; os_memset(drv->bssid, 0, ETH_ALEN); } /* nl80211 code */ static int ack_handler(struct nl_msg *msg, void *arg) { int *err = arg; *err = 0; return NL_STOP; } static int finish_handler(struct nl_msg *msg, void *arg) { int *ret = arg; *ret = 0; return NL_SKIP; } static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg) { int *ret = arg; *ret = err->error; return NL_SKIP; } static int no_seq_check(struct nl_msg *msg, void *arg) { return NL_OK; } static int send_and_recv(struct nl80211_global *global, struct nl_handle *nl_handle, struct nl_msg *msg, int (*valid_handler)(struct nl_msg *, void *), void *valid_data) { struct nl_cb *cb; int err = -ENOMEM; if (!msg) return -ENOMEM; cb = nl_cb_clone(global->nl_cb); if (!cb) goto out; err = nl_send_auto_complete(nl_handle, msg); if (err < 0) goto out; err = 1; nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err); nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err); nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err); if (valid_handler) nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, valid_handler, valid_data); while (err > 0) { int res = nl_recvmsgs(nl_handle, cb); if (res < 0) { wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", __func__, res); } } out: nl_cb_put(cb); nlmsg_free(msg); return err; } int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, int (*valid_handler)(struct nl_msg *, void *), void *valid_data) { return send_and_recv(drv->global, drv->global->nl, msg, valid_handler, valid_data); } struct family_data { const char *group; int id; }; static int family_handler(struct nl_msg *msg, void *arg) { struct family_data *res = arg; struct nlattr *tb[CTRL_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *mcgrp; int i; nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (!tb[CTRL_ATTR_MCAST_GROUPS]) return NL_SKIP; nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], i) { struct nlattr *tb2[CTRL_ATTR_MCAST_GRP_MAX + 1]; nla_parse(tb2, CTRL_ATTR_MCAST_GRP_MAX, nla_data(mcgrp), nla_len(mcgrp), NULL); if (!tb2[CTRL_ATTR_MCAST_GRP_NAME] || !tb2[CTRL_ATTR_MCAST_GRP_ID] || os_strncmp(nla_data(tb2[CTRL_ATTR_MCAST_GRP_NAME]), res->group, nla_len(tb2[CTRL_ATTR_MCAST_GRP_NAME])) != 0) continue; res->id = nla_get_u32(tb2[CTRL_ATTR_MCAST_GRP_ID]); break; }; return NL_SKIP; } static int nl_get_multicast_id(struct nl80211_global *global, const char *family, const char *group) { struct nl_msg *msg; int ret; struct family_data res = { group, -ENOENT }; msg = nlmsg_alloc(); if (!msg) return -ENOMEM; if (!genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), 0, 0, CTRL_CMD_GETFAMILY, 0) || nla_put_string(msg, CTRL_ATTR_FAMILY_NAME, family)) { nlmsg_free(msg); return -1; } ret = send_and_recv(global, global->nl, msg, family_handler, &res); if (ret == 0) ret = res.id; return ret; } void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, int flags, uint8_t cmd) { return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, 0, flags, cmd, 0); } static int nl80211_set_iface_id(struct nl_msg *msg, struct i802_bss *bss) { if (bss->wdev_id_set) return nla_put_u64(msg, NL80211_ATTR_WDEV, bss->wdev_id); return nla_put_u32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); } struct nl_msg * nl80211_cmd_msg(struct i802_bss *bss, int flags, uint8_t cmd) { struct nl_msg *msg; msg = nlmsg_alloc(); if (!msg) return NULL; if (!nl80211_cmd(bss->drv, msg, flags, cmd) || nl80211_set_iface_id(msg, bss) < 0) { nlmsg_free(msg); return NULL; } return msg; } static struct nl_msg * nl80211_ifindex_msg(struct wpa_driver_nl80211_data *drv, int ifindex, int flags, uint8_t cmd) { struct nl_msg *msg; msg = nlmsg_alloc(); if (!msg) return NULL; if (!nl80211_cmd(drv, msg, flags, cmd) || nla_put_u32(msg, NL80211_ATTR_IFINDEX, ifindex)) { nlmsg_free(msg); return NULL; } return msg; } struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags, uint8_t cmd) { return nl80211_ifindex_msg(drv, drv->ifindex, flags, cmd); } struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd) { return nl80211_ifindex_msg(bss->drv, bss->ifindex, flags, cmd); } struct wiphy_idx_data { int wiphy_idx; enum nl80211_iftype nlmode; u8 *macaddr; }; static int netdev_info_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct wiphy_idx_data *info = arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (tb[NL80211_ATTR_WIPHY]) info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); if (tb[NL80211_ATTR_IFTYPE]) info->nlmode = nla_get_u32(tb[NL80211_ATTR_IFTYPE]); if (tb[NL80211_ATTR_MAC] && info->macaddr) os_memcpy(info->macaddr, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); return NL_SKIP; } int nl80211_get_wiphy_index(struct i802_bss *bss) { struct nl_msg *msg; struct wiphy_idx_data data = { .wiphy_idx = -1, .macaddr = NULL, }; if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) return -1; if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) return data.wiphy_idx; return -1; } static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss) { struct nl_msg *msg; struct wiphy_idx_data data = { .nlmode = NL80211_IFTYPE_UNSPECIFIED, .macaddr = NULL, }; if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) return NL80211_IFTYPE_UNSPECIFIED; if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) return data.nlmode; return NL80211_IFTYPE_UNSPECIFIED; } static int nl80211_get_macaddr(struct i802_bss *bss) { struct nl_msg *msg; struct wiphy_idx_data data = { .macaddr = bss->addr, }; if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE))) return -1; return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data); } static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, struct nl80211_wiphy_data *w) { struct nl_msg *msg; int ret; msg = nlmsg_alloc(); if (!msg) return -1; if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS) || nla_put_u32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx)) { nlmsg_free(msg); return -1; } ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " "failed: ret=%d (%s)", ret, strerror(-ret)); } return ret; } static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) { struct nl80211_wiphy_data *w = eloop_ctx; int res; wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); res = nl_recvmsgs(handle, w->nl_cb); if (res < 0) { wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", __func__, res); } } static int process_beacon_event(struct nl_msg *msg, void *arg) { struct nl80211_wiphy_data *w = arg; struct wpa_driver_nl80211_data *drv; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *tb[NL80211_ATTR_MAX + 1]; union wpa_event_data event; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (gnlh->cmd != NL80211_CMD_FRAME) { wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", gnlh->cmd); return NL_SKIP; } if (!tb[NL80211_ATTR_FRAME]) return NL_SKIP; dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, wiphy_list) { os_memset(&event, 0, sizeof(event)); event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); } return NL_SKIP; } static struct nl80211_wiphy_data * nl80211_get_wiphy_data_ap(struct i802_bss *bss) { static DEFINE_DL_LIST(nl80211_wiphys); struct nl80211_wiphy_data *w; int wiphy_idx, found = 0; struct i802_bss *tmp_bss; if (bss->wiphy_data != NULL) return bss->wiphy_data; wiphy_idx = nl80211_get_wiphy_index(bss); dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { if (w->wiphy_idx == wiphy_idx) goto add; } /* alloc new one */ w = os_zalloc(sizeof(*w)); if (w == NULL) return NULL; w->wiphy_idx = wiphy_idx; dl_list_init(&w->bsss); dl_list_init(&w->drvs); w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); if (!w->nl_cb) { os_free(w); return NULL; } nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event, w); w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, "wiphy beacons"); if (w->nl_beacons == NULL) { os_free(w); return NULL; } if (nl80211_register_beacons(bss->drv, w)) { nl_destroy_handles(&w->nl_beacons); os_free(w); return NULL; } nl80211_register_eloop_read(&w->nl_beacons, nl80211_recv_beacons, w); dl_list_add(&nl80211_wiphys, &w->list); add: /* drv entry for this bss already there? */ dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { if (tmp_bss->drv == bss->drv) { found = 1; break; } } /* if not add it */ if (!found) dl_list_add(&w->drvs, &bss->drv->wiphy_list); dl_list_add(&w->bsss, &bss->wiphy_list); bss->wiphy_data = w; return w; } static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) { struct nl80211_wiphy_data *w = bss->wiphy_data; struct i802_bss *tmp_bss; int found = 0; if (w == NULL) return; bss->wiphy_data = NULL; dl_list_del(&bss->wiphy_list); /* still any for this drv present? */ dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { if (tmp_bss->drv == bss->drv) { found = 1; break; } } /* if not remove it */ if (!found) dl_list_del(&bss->drv->wiphy_list); if (!dl_list_empty(&w->bsss)) return; nl80211_destroy_eloop_handle(&w->nl_beacons); nl_cb_put(w->nl_cb); dl_list_del(&w->list); os_free(w); } static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (!drv->associated) return -1; os_memcpy(bssid, drv->bssid, ETH_ALEN); return 0; } static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (!drv->associated) return -1; os_memcpy(ssid, drv->ssid, drv->ssid_len); return drv->ssid_len; } static void wpa_driver_nl80211_event_newlink( struct wpa_driver_nl80211_data *drv, char *ifname) { union wpa_event_data event; if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { if (if_nametoindex(drv->first_bss->ifname) == 0) { wpa_printf(MSG_DEBUG, "nl80211: Interface %s does not exist - ignore RTM_NEWLINK", drv->first_bss->ifname); return; } if (!drv->if_removed) return; wpa_printf(MSG_DEBUG, "nl80211: Mark if_removed=0 for %s based on RTM_NEWLINK event", drv->first_bss->ifname); drv->if_removed = 0; } os_memset(&event, 0, sizeof(event)); os_strlcpy(event.interface_status.ifname, ifname, sizeof(event.interface_status.ifname)); event.interface_status.ievent = EVENT_INTERFACE_ADDED; wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); } static void wpa_driver_nl80211_event_dellink( struct wpa_driver_nl80211_data *drv, char *ifname) { union wpa_event_data event; if (os_strcmp(drv->first_bss->ifname, ifname) == 0) { if (drv->if_removed) { wpa_printf(MSG_DEBUG, "nl80211: if_removed already set - ignore RTM_DELLINK event for %s", ifname); return; } wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed - mark if_removed=1", ifname); drv->if_removed = 1; } else { wpa_printf(MSG_DEBUG, "RTM_DELLINK: Interface '%s' removed", ifname); } os_memset(&event, 0, sizeof(event)); os_strlcpy(event.interface_status.ifname, ifname, sizeof(event.interface_status.ifname)); event.interface_status.ievent = EVENT_INTERFACE_REMOVED; wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); } static int wpa_driver_nl80211_own_ifname(struct wpa_driver_nl80211_data *drv, u8 *buf, size_t len) { int attrlen, rta_len; struct rtattr *attr; attrlen = len; attr = (struct rtattr *) buf; rta_len = RTA_ALIGN(sizeof(struct rtattr)); while (RTA_OK(attr, attrlen)) { if (attr->rta_type == IFLA_IFNAME) { if (os_strcmp(((char *) attr) + rta_len, drv->first_bss->ifname) == 0) return 1; else break; } attr = RTA_NEXT(attr, attrlen); } return 0; } static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, int ifindex, u8 *buf, size_t len) { if (drv->ifindex == ifindex) return 1; if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) { wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed " "interface"); wpa_driver_nl80211_finish_drv_init(drv, NULL, 0, NULL); return 1; } return 0; } static struct wpa_driver_nl80211_data * nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len) { struct wpa_driver_nl80211_data *drv; dl_list_for_each(drv, &global->interfaces, struct wpa_driver_nl80211_data, list) { if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) || have_ifidx(drv, idx)) return drv; } return NULL; } static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi, u8 *buf, size_t len) { struct nl80211_global *global = ctx; struct wpa_driver_nl80211_data *drv; int attrlen; struct rtattr *attr; u32 brid = 0; char namebuf[IFNAMSIZ]; char ifname[IFNAMSIZ + 1]; char extra[100], *pos, *end; drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); if (!drv) { wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_NEWLINK event for foreign ifindex %d", ifi->ifi_index); return; } extra[0] = '\0'; pos = extra; end = pos + sizeof(extra); ifname[0] = '\0'; attrlen = len; attr = (struct rtattr *) buf; while (RTA_OK(attr, attrlen)) { switch (attr->rta_type) { case IFLA_IFNAME: if (RTA_PAYLOAD(attr) >= IFNAMSIZ) break; os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); ifname[RTA_PAYLOAD(attr)] = '\0'; break; case IFLA_MASTER: brid = nla_get_u32((struct nlattr *) attr); pos += os_snprintf(pos, end - pos, " master=%u", brid); break; case IFLA_WIRELESS: pos += os_snprintf(pos, end - pos, " wext"); break; case IFLA_OPERSTATE: pos += os_snprintf(pos, end - pos, " operstate=%u", nla_get_u32((struct nlattr *) attr)); break; case IFLA_LINKMODE: pos += os_snprintf(pos, end - pos, " linkmode=%u", nla_get_u32((struct nlattr *) attr)); break; } attr = RTA_NEXT(attr, attrlen); } extra[sizeof(extra) - 1] = '\0'; wpa_printf(MSG_DEBUG, "RTM_NEWLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", ifi->ifi_index, ifname, extra, ifi->ifi_family, ifi->ifi_flags, (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { if (if_indextoname(ifi->ifi_index, namebuf) && linux_iface_up(drv->global->ioctl_sock, drv->first_bss->ifname) > 0) { wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " "event since interface %s is up", namebuf); drv->ignore_if_down_event = 0; return; } wpa_printf(MSG_DEBUG, "nl80211: Interface down"); if (drv->ignore_if_down_event) { wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " "event generated by mode change"); drv->ignore_if_down_event = 0; } else { drv->if_disabled = 1; wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL); /* * Try to get drv again, since it may be removed as * part of the EVENT_INTERFACE_DISABLED handling for * dynamic interfaces */ drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); if (!drv) return; } } if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { if (if_indextoname(ifi->ifi_index, namebuf) && linux_iface_up(drv->global->ioctl_sock, drv->first_bss->ifname) == 0) { wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " "event since interface %s is down", namebuf); } else if (if_nametoindex(drv->first_bss->ifname) == 0) { wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " "event since interface %s does not exist", drv->first_bss->ifname); } else if (drv->if_removed) { wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " "event since interface %s is marked " "removed", drv->first_bss->ifname); } else { struct i802_bss *bss; u8 addr[ETH_ALEN]; /* Re-read MAC address as it may have changed */ bss = get_bss_ifindex(drv, ifi->ifi_index); if (bss && linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0) { wpa_printf(MSG_DEBUG, "nl80211: %s: failed to re-read MAC address", bss->ifname); } else if (bss && os_memcmp(addr, bss->addr, ETH_ALEN) != 0) { wpa_printf(MSG_DEBUG, "nl80211: Own MAC address on ifindex %d (%s) changed from " MACSTR " to " MACSTR, ifi->ifi_index, bss->ifname, MAC2STR(bss->addr), MAC2STR(addr)); os_memcpy(bss->addr, addr, ETH_ALEN); } wpa_printf(MSG_DEBUG, "nl80211: Interface up"); drv->if_disabled = 0; wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL); } } /* * Some drivers send the association event before the operup event--in * this case, lifting operstate in wpa_driver_nl80211_set_operstate() * fails. This will hit us when wpa_supplicant does not need to do * IEEE 802.1X authentication */ if (drv->operstate == 1 && (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && !(ifi->ifi_flags & IFF_RUNNING)) { wpa_printf(MSG_DEBUG, "nl80211: Set IF_OPER_UP again based on ifi_flags and expected operstate"); netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, IF_OPER_UP); } if (ifname[0]) wpa_driver_nl80211_event_newlink(drv, ifname); if (ifi->ifi_family == AF_BRIDGE && brid) { struct i802_bss *bss; /* device has been added to bridge */ if_indextoname(brid, namebuf); wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", brid, namebuf); add_ifidx(drv, brid); for (bss = drv->first_bss; bss; bss = bss->next) { if (os_strcmp(ifname, bss->ifname) == 0) { os_strlcpy(bss->brname, namebuf, IFNAMSIZ); break; } } } } static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, struct ifinfomsg *ifi, u8 *buf, size_t len) { struct nl80211_global *global = ctx; struct wpa_driver_nl80211_data *drv; int attrlen; struct rtattr *attr; u32 brid = 0; char ifname[IFNAMSIZ + 1]; char extra[100], *pos, *end; drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); if (!drv) { wpa_printf(MSG_DEBUG, "nl80211: Ignore RTM_DELLINK event for foreign ifindex %d", ifi->ifi_index); return; } extra[0] = '\0'; pos = extra; end = pos + sizeof(extra); ifname[0] = '\0'; attrlen = len; attr = (struct rtattr *) buf; while (RTA_OK(attr, attrlen)) { switch (attr->rta_type) { case IFLA_IFNAME: if (RTA_PAYLOAD(attr) >= IFNAMSIZ) break; os_memcpy(ifname, RTA_DATA(attr), RTA_PAYLOAD(attr)); ifname[RTA_PAYLOAD(attr)] = '\0'; break; case IFLA_MASTER: brid = nla_get_u32((struct nlattr *) attr); pos += os_snprintf(pos, end - pos, " master=%u", brid); break; case IFLA_OPERSTATE: pos += os_snprintf(pos, end - pos, " operstate=%u", nla_get_u32((struct nlattr *) attr)); break; case IFLA_LINKMODE: pos += os_snprintf(pos, end - pos, " linkmode=%u", nla_get_u32((struct nlattr *) attr)); break; } attr = RTA_NEXT(attr, attrlen); } extra[sizeof(extra) - 1] = '\0'; wpa_printf(MSG_DEBUG, "RTM_DELLINK: ifi_index=%d ifname=%s%s ifi_family=%d ifi_flags=0x%x (%s%s%s%s)", ifi->ifi_index, ifname, extra, ifi->ifi_family, ifi->ifi_flags, (ifi->ifi_flags & IFF_UP) ? "[UP]" : "", (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); if (ifname[0] && (ifi->ifi_family != AF_BRIDGE || !brid)) wpa_driver_nl80211_event_dellink(drv, ifname); if (ifi->ifi_family == AF_BRIDGE && brid) { /* device has been removed from bridge */ char namebuf[IFNAMSIZ]; if_indextoname(brid, namebuf); wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge " "%s", brid, namebuf); del_ifidx(drv, brid); } } unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) { struct nl_msg *msg; int ret; struct nl80211_bss_info_arg arg; msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SCAN); os_memset(&arg, 0, sizeof(arg)); arg.drv = drv; ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); if (ret == 0) { unsigned int freq = drv->nlmode == NL80211_IFTYPE_ADHOC ? arg.ibss_freq : arg.assoc_freq; wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " "associated BSS from scan results: %u MHz", freq); if (freq) drv->assoc_freq = freq; return drv->assoc_freq; } wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " "(%s)", ret, strerror(-ret)); return drv->assoc_freq; } static int get_link_signal(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, [NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 }, }; struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, }; struct wpa_signal_info *sig_change = arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (!tb[NL80211_ATTR_STA_INFO] || nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, tb[NL80211_ATTR_STA_INFO], policy)) return NL_SKIP; if (!sinfo[NL80211_STA_INFO_SIGNAL]) return NL_SKIP; sig_change->current_signal = (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); if (sinfo[NL80211_STA_INFO_SIGNAL_AVG]) sig_change->avg_signal = (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL_AVG]); else sig_change->avg_signal = 0; if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, sinfo[NL80211_STA_INFO_TX_BITRATE], rate_policy)) { sig_change->current_txrate = 0; } else { if (rinfo[NL80211_RATE_INFO_BITRATE]) { sig_change->current_txrate = nla_get_u16(rinfo[ NL80211_RATE_INFO_BITRATE]) * 100; } } } return NL_SKIP; } int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, struct wpa_signal_info *sig) { struct nl_msg *msg; sig->current_signal = -9999; sig->current_txrate = 0; if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_STATION)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid)) { nlmsg_free(msg); return -ENOBUFS; } return send_and_recv_msgs(drv, msg, get_link_signal, sig); } static int get_link_noise(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, }; struct wpa_signal_info *sig_change = arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (!tb[NL80211_ATTR_SURVEY_INFO]) { wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); return NL_SKIP; } if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, tb[NL80211_ATTR_SURVEY_INFO], survey_policy)) { wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " "attributes!"); return NL_SKIP; } if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) return NL_SKIP; if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != sig_change->frequency) return NL_SKIP; if (!sinfo[NL80211_SURVEY_INFO_NOISE]) return NL_SKIP; sig_change->current_noise = (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); return NL_SKIP; } int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, struct wpa_signal_info *sig_change) { struct nl_msg *msg; sig_change->current_noise = 9999; sig_change->frequency = drv->assoc_freq; msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); } static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, void *handle) { struct nl_cb *cb = eloop_ctx; int res; wpa_printf(MSG_MSGDUMP, "nl80211: Event message available"); res = nl_recvmsgs(handle, cb); if (res < 0) { wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d", __func__, res); } } /** * wpa_driver_nl80211_set_country - ask nl80211 to set the regulatory domain * @priv: driver_nl80211 private data * @alpha2_arg: country to which to switch to * Returns: 0 on success, -1 on failure * * This asks nl80211 to set the regulatory domain for given * country ISO / IEC alpha2. */ static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; char alpha2[3]; struct nl_msg *msg; msg = nlmsg_alloc(); if (!msg) return -ENOMEM; alpha2[0] = alpha2_arg[0]; alpha2[1] = alpha2_arg[1]; alpha2[2] = '\0'; if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG) || nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, alpha2)) { nlmsg_free(msg); return -EINVAL; } if (send_and_recv_msgs(drv, msg, NULL, NULL)) return -EINVAL; return 0; } static int nl80211_get_country(struct nl_msg *msg, void *arg) { char *alpha2 = arg; struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (!tb_msg[NL80211_ATTR_REG_ALPHA2]) { wpa_printf(MSG_DEBUG, "nl80211: No country information available"); return NL_SKIP; } os_strlcpy(alpha2, nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]), 3); return NL_SKIP; } static int wpa_driver_nl80211_get_country(void *priv, char *alpha2) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; msg = nlmsg_alloc(); if (!msg) return -ENOMEM; nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); alpha2[0] = '\0'; ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2); if (!alpha2[0]) ret = -1; return ret; } static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) { int ret; global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); if (global->nl_cb == NULL) { wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " "callbacks"); return -1; } global->nl = nl_create_handle(global->nl_cb, "nl"); if (global->nl == NULL) goto err; global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); if (global->nl80211_id < 0) { wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " "found"); goto err; } global->nl_event = nl_create_handle(global->nl_cb, "event"); if (global->nl_event == NULL) goto err; ret = nl_get_multicast_id(global, "nl80211", "scan"); if (ret >= 0) ret = nl_socket_add_membership(global->nl_event, ret); if (ret < 0) { wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " "membership for scan events: %d (%s)", ret, strerror(-ret)); goto err; } ret = nl_get_multicast_id(global, "nl80211", "mlme"); if (ret >= 0) ret = nl_socket_add_membership(global->nl_event, ret); if (ret < 0) { wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " "membership for mlme events: %d (%s)", ret, strerror(-ret)); goto err; } ret = nl_get_multicast_id(global, "nl80211", "regulatory"); if (ret >= 0) ret = nl_socket_add_membership(global->nl_event, ret); if (ret < 0) { wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " "membership for regulatory events: %d (%s)", ret, strerror(-ret)); /* Continue without regulatory events */ } ret = nl_get_multicast_id(global, "nl80211", "vendor"); if (ret >= 0) ret = nl_socket_add_membership(global->nl_event, ret); if (ret < 0) { wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " "membership for vendor events: %d (%s)", ret, strerror(-ret)); /* Continue without vendor events */ } nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_global_event, global); nl80211_register_eloop_read(&global->nl_event, wpa_driver_nl80211_event_receive, global->nl_cb); return 0; err: nl_destroy_handles(&global->nl_event); nl_destroy_handles(&global->nl); nl_cb_put(global->nl_cb); global->nl_cb = NULL; return -1; } static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv) { drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); if (!drv->nl_cb) { wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct"); return -1; } nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_drv_event, drv); return 0; } static void wpa_driver_nl80211_rfkill_blocked(void *ctx) { wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); /* * This may be for any interface; use ifdown event to disable * interface. */ } static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) { struct wpa_driver_nl80211_data *drv = ctx; wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); if (i802_set_iface_flags(drv->first_bss, 1)) { wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " "after rfkill unblock"); return; } /* rtnetlink ifup handler will report interface as enabled */ } static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, void *eloop_ctx, void *handle) { struct wpa_driver_nl80211_data *drv = eloop_ctx; u8 data[2048]; struct msghdr msg; struct iovec entry; u8 control[512]; struct cmsghdr *cmsg; int res, found_ee = 0, found_wifi = 0, acked = 0; union wpa_event_data event; memset(&msg, 0, sizeof(msg)); msg.msg_iov = &entry; msg.msg_iovlen = 1; entry.iov_base = data; entry.iov_len = sizeof(data); msg.msg_control = &control; msg.msg_controllen = sizeof(control); res = recvmsg(sock, &msg, MSG_ERRQUEUE); /* if error or not fitting 802.3 header, return */ if (res < 14) return; for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_WIFI_STATUS) { int *ack; found_wifi = 1; ack = (void *)CMSG_DATA(cmsg); acked = *ack; } if (cmsg->cmsg_level == SOL_PACKET && cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { struct sock_extended_err *err = (struct sock_extended_err *)CMSG_DATA(cmsg); if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) found_ee = 1; } } if (!found_ee || !found_wifi) return; memset(&event, 0, sizeof(event)); event.eapol_tx_status.dst = data; event.eapol_tx_status.data = data + 14; event.eapol_tx_status.data_len = res - 14; event.eapol_tx_status.ack = acked; wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); } static int nl80211_init_bss(struct i802_bss *bss) { bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); if (!bss->nl_cb) return -1; nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_bss_event, bss); return 0; } static void nl80211_destroy_bss(struct i802_bss *bss) { nl_cb_put(bss->nl_cb); bss->nl_cb = NULL; } static void * wpa_driver_nl80211_drv_init(void *ctx, const char *ifname, void *global_priv, int hostapd, const u8 *set_addr, const char *driver_params) { struct wpa_driver_nl80211_data *drv; struct rfkill_config *rcfg; struct i802_bss *bss; if (global_priv == NULL) return NULL; drv = os_zalloc(sizeof(*drv)); if (drv == NULL) return NULL; drv->global = global_priv; drv->ctx = ctx; drv->hostapd = !!hostapd; drv->eapol_sock = -1; drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int); drv->if_indices = drv->default_if_indices; drv->first_bss = os_zalloc(sizeof(*drv->first_bss)); if (!drv->first_bss) { os_free(drv); return NULL; } bss = drv->first_bss; bss->drv = drv; bss->ctx = ctx; os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); drv->monitor_ifidx = -1; drv->monitor_sock = -1; drv->eapol_tx_sock = -1; drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; if (wpa_driver_nl80211_init_nl(drv)) { os_free(drv); return NULL; } if (nl80211_init_bss(bss)) goto failed; rcfg = os_zalloc(sizeof(*rcfg)); if (rcfg == NULL) goto failed; rcfg->ctx = drv; os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname)); rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; drv->rfkill = rfkill_init(rcfg); if (drv->rfkill == NULL) { wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); os_free(rcfg); } if (linux_iface_up(drv->global->ioctl_sock, ifname) > 0) drv->start_iface_up = 1; if (wpa_driver_nl80211_finish_drv_init(drv, set_addr, 1, driver_params)) goto failed; drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); if (drv->eapol_tx_sock < 0) goto failed; if (drv->data_tx_status) { int enabled = 1; if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, &enabled, sizeof(enabled)) < 0) { wpa_printf(MSG_DEBUG, "nl80211: wifi status sockopt failed\n"); drv->data_tx_status = 0; if (!drv->use_monitor) drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; } else { eloop_register_read_sock(drv->eapol_tx_sock, wpa_driver_nl80211_handle_eapol_tx_status, drv, NULL); } } if (drv->global) { dl_list_add(&drv->global->interfaces, &drv->list); drv->in_interface_list = 1; } return bss; failed: wpa_driver_nl80211_deinit(bss); return NULL; } /** * wpa_driver_nl80211_init - Initialize nl80211 driver interface * @ctx: context to be used when calling wpa_supplicant functions, * e.g., wpa_supplicant_event() * @ifname: interface name, e.g., wlan0 * @global_priv: private driver global data from global_init() * Returns: Pointer to private data, %NULL on failure */ static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, void *global_priv) { return wpa_driver_nl80211_drv_init(ctx, ifname, global_priv, 0, NULL, NULL); } static int nl80211_register_frame(struct i802_bss *bss, struct nl_handle *nl_handle, u16 type, const u8 *match, size_t match_len) { struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; char buf[30]; buf[0] = '\0'; wpa_snprintf_hex(buf, sizeof(buf), match, match_len); wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x (%s) nl_handle=%p match=%s", type, fc2str(type), nl_handle, buf); if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REGISTER_ACTION)) || nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, type) || nla_put(msg, NL80211_ATTR_FRAME_MATCH, match_len, match)) { nlmsg_free(msg); return -1; } ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Register frame command " "failed (type=%u): ret=%d (%s)", type, ret, strerror(-ret)); wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", match, match_len); } return ret; } static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; if (bss->nl_mgmt) { wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " "already on! (nl_mgmt=%p)", bss->nl_mgmt); return -1; } bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt"); if (bss->nl_mgmt == NULL) return -1; return 0; } static void nl80211_mgmt_handle_register_eloop(struct i802_bss *bss) { nl80211_register_eloop_read(&bss->nl_mgmt, wpa_driver_nl80211_event_receive, bss->nl_cb); } static int nl80211_register_action_frame(struct i802_bss *bss, const u8 *match, size_t match_len) { u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); return nl80211_register_frame(bss, bss->nl_mgmt, type, match, match_len); } static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; int ret = 0; if (nl80211_alloc_mgmt_handle(bss)) return -1; wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " "handle %p", bss->nl_mgmt); if (drv->nlmode == NL80211_IFTYPE_ADHOC) { u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4); /* register for any AUTH message */ nl80211_register_frame(bss, bss->nl_mgmt, type, NULL, 0); } #ifdef CONFIG_INTERWORKING /* QoS Map Configure */ if (nl80211_register_action_frame(bss, (u8 *) "\x01\x04", 2) < 0) ret = -1; #endif /* CONFIG_INTERWORKING */ #if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) /* GAS Initial Request */ if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) ret = -1; /* GAS Initial Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) ret = -1; /* GAS Comeback Request */ if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) ret = -1; /* GAS Comeback Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) ret = -1; /* Protected GAS Initial Request */ if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0a", 2) < 0) ret = -1; /* Protected GAS Initial Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0b", 2) < 0) ret = -1; /* Protected GAS Comeback Request */ if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0c", 2) < 0) ret = -1; /* Protected GAS Comeback Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x09\x0d", 2) < 0) ret = -1; #endif /* CONFIG_P2P || CONFIG_INTERWORKING */ #ifdef CONFIG_P2P /* P2P Public Action */ if (nl80211_register_action_frame(bss, (u8 *) "\x04\x09\x50\x6f\x9a\x09", 6) < 0) ret = -1; /* P2P Action */ if (nl80211_register_action_frame(bss, (u8 *) "\x7f\x50\x6f\x9a\x09", 5) < 0) ret = -1; #endif /* CONFIG_P2P */ #ifdef CONFIG_IEEE80211W /* SA Query Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) ret = -1; #endif /* CONFIG_IEEE80211W */ #ifdef CONFIG_TDLS if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { /* TDLS Discovery Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < 0) ret = -1; } #endif /* CONFIG_TDLS */ /* FT Action frames */ if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) ret = -1; else drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; /* WNM - BSS Transition Management Request */ if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) ret = -1; /* WNM-Sleep Mode Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) ret = -1; #ifdef CONFIG_HS20 /* WNM-Notification */ if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x1a", 2) < 0) ret = -1; #endif /* CONFIG_HS20 */ /* WMM-AC ADDTS Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0) return -1; /* WMM-AC DELTS */ if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0) return -1; /* Radio Measurement - Neighbor Report Response */ if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0) ret = -1; /* Radio Measurement - Link Measurement Request */ if ((drv->capa.rrm_flags & WPA_DRIVER_FLAGS_TX_POWER_INSERTION) && (nl80211_register_action_frame(bss, (u8 *) "\x05\x02", 2) < 0)) ret = -1; nl80211_mgmt_handle_register_eloop(bss); return ret; } static int nl80211_mgmt_subscribe_mesh(struct i802_bss *bss) { int ret = 0; if (nl80211_alloc_mgmt_handle(bss)) return -1; wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with mesh handle %p", bss->nl_mgmt); /* Auth frames for mesh SAE */ if (nl80211_register_frame(bss, bss->nl_mgmt, (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_AUTH << 4), NULL, 0) < 0) ret = -1; /* Mesh peering open */ if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x01", 2) < 0) ret = -1; /* Mesh peering confirm */ if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x02", 2) < 0) ret = -1; /* Mesh peering close */ if (nl80211_register_action_frame(bss, (u8 *) "\x0f\x03", 2) < 0) ret = -1; nl80211_mgmt_handle_register_eloop(bss); return ret; } static int nl80211_register_spurious_class3(struct i802_bss *bss) { struct nl_msg *msg; int ret; msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME); ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " "failed: ret=%d (%s)", ret, strerror(-ret)); } return ret; } static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) { static const int stypes[] = { WLAN_FC_STYPE_AUTH, WLAN_FC_STYPE_ASSOC_REQ, WLAN_FC_STYPE_REASSOC_REQ, WLAN_FC_STYPE_DISASSOC, WLAN_FC_STYPE_DEAUTH, WLAN_FC_STYPE_ACTION, WLAN_FC_STYPE_PROBE_REQ, /* Beacon doesn't work as mac80211 doesn't currently allow * it, but it wouldn't really be the right thing anyway as * it isn't per interface ... maybe just dump the scan * results periodically for OLBC? */ /* WLAN_FC_STYPE_BEACON, */ }; unsigned int i; if (nl80211_alloc_mgmt_handle(bss)) return -1; wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " "handle %p", bss->nl_mgmt); for (i = 0; i < ARRAY_SIZE(stypes); i++) { if (nl80211_register_frame(bss, bss->nl_mgmt, (WLAN_FC_TYPE_MGMT << 2) | (stypes[i] << 4), NULL, 0) < 0) { goto out_err; } } if (nl80211_register_spurious_class3(bss)) goto out_err; if (nl80211_get_wiphy_data_ap(bss) == NULL) goto out_err; nl80211_mgmt_handle_register_eloop(bss); return 0; out_err: nl_destroy_handles(&bss->nl_mgmt); return -1; } static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) { if (nl80211_alloc_mgmt_handle(bss)) return -1; wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " "handle %p (device SME)", bss->nl_mgmt); if (nl80211_register_frame(bss, bss->nl_mgmt, (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4), NULL, 0) < 0) goto out_err; nl80211_mgmt_handle_register_eloop(bss); return 0; out_err: nl_destroy_handles(&bss->nl_mgmt); return -1; } static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) { if (bss->nl_mgmt == NULL) return; wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " "(%s)", bss->nl_mgmt, reason); nl80211_destroy_eloop_handle(&bss->nl_mgmt); nl80211_put_wiphy_data_ap(bss); } static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) { wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); } static void nl80211_del_p2pdev(struct i802_bss *bss) { struct nl_msg *msg; int ret; msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE); ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s", bss->ifname, (long long unsigned int) bss->wdev_id, strerror(-ret)); } static int nl80211_set_p2pdev(struct i802_bss *bss, int start) { struct nl_msg *msg; int ret; msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE : NL80211_CMD_STOP_P2P_DEVICE); ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL); wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s", start ? "Start" : "Stop", bss->ifname, (long long unsigned int) bss->wdev_id, strerror(-ret)); return ret; } static int i802_set_iface_flags(struct i802_bss *bss, int up) { enum nl80211_iftype nlmode; nlmode = nl80211_get_ifmode(bss); if (nlmode != NL80211_IFTYPE_P2P_DEVICE) { return linux_set_iface_flags(bss->drv->global->ioctl_sock, bss->ifname, up); } /* P2P Device has start/stop which is equivalent */ return nl80211_set_p2pdev(bss, up); } static int wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv, const u8 *set_addr, int first, const char *driver_params) { struct i802_bss *bss = drv->first_bss; int send_rfkill_event = 0; enum nl80211_iftype nlmode; drv->ifindex = if_nametoindex(bss->ifname); bss->ifindex = drv->ifindex; bss->wdev_id = drv->global->if_add_wdevid; bss->wdev_id_set = drv->global->if_add_wdevid_set; bss->if_dynamic = drv->ifindex == drv->global->if_add_ifindex; bss->if_dynamic = bss->if_dynamic || drv->global->if_add_wdevid_set; drv->global->if_add_wdevid_set = 0; if (!bss->if_dynamic && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) bss->static_ap = 1; if (wpa_driver_nl80211_capa(drv)) return -1; if (driver_params && nl80211_set_param(bss, driver_params) < 0) return -1; wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", bss->ifname, drv->phyname); if (set_addr && (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) || linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, set_addr))) return -1; if (first && nl80211_get_ifmode(bss) == NL80211_IFTYPE_AP) drv->start_mode_ap = 1; if (drv->hostapd || bss->static_ap) nlmode = NL80211_IFTYPE_AP; else if (bss->if_dynamic) nlmode = nl80211_get_ifmode(bss); else nlmode = NL80211_IFTYPE_STATION; if (wpa_driver_nl80211_set_mode(bss, nlmode) < 0) { wpa_printf(MSG_ERROR, "nl80211: Could not configure driver mode"); return -1; } if (nlmode == NL80211_IFTYPE_P2P_DEVICE) nl80211_get_macaddr(bss); if (!rfkill_is_blocked(drv->rfkill)) { int ret = i802_set_iface_flags(bss, 1); if (ret) { wpa_printf(MSG_ERROR, "nl80211: Could not set " "interface '%s' UP", bss->ifname); return ret; } if (nlmode == NL80211_IFTYPE_P2P_DEVICE) return ret; } else { wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " "interface '%s' due to rfkill", bss->ifname); if (nlmode == NL80211_IFTYPE_P2P_DEVICE) return 0; drv->if_disabled = 1; send_rfkill_event = 1; } if (!drv->hostapd) netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 1, IF_OPER_DORMANT); if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, bss->addr)) return -1; os_memcpy(drv->perm_addr, bss->addr, ETH_ALEN); if (send_rfkill_event) { eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, drv, drv->ctx); } return 0; } static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv) { struct nl_msg *msg; wpa_printf(MSG_DEBUG, "nl80211: Remove beacon (ifindex=%d)", drv->ifindex); msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON); return send_and_recv_msgs(drv, msg, NULL, NULL); } /** * wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface * @bss: Pointer to private nl80211 data from wpa_driver_nl80211_init() * * Shut down driver interface and processing of driver events. Free * private data buffer if one was allocated in wpa_driver_nl80211_init(). */ static void wpa_driver_nl80211_deinit(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d", bss->ifname, drv->disabled_11b_rates); bss->in_deinit = 1; if (drv->data_tx_status) eloop_unregister_read_sock(drv->eapol_tx_sock); if (drv->eapol_tx_sock >= 0) close(drv->eapol_tx_sock); if (bss->nl_preq) wpa_driver_nl80211_probe_req_report(bss, 0); if (bss->added_if_into_bridge) { if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, bss->ifname) < 0) wpa_printf(MSG_INFO, "nl80211: Failed to remove " "interface %s from bridge %s: %s", bss->ifname, bss->brname, strerror(errno)); if (drv->rtnl_sk) nl80211_handle_destroy(drv->rtnl_sk); } if (bss->added_bridge) { if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) wpa_printf(MSG_INFO, "nl80211: Failed to remove " "bridge %s: %s", bss->brname, strerror(errno)); } nl80211_remove_monitor_interface(drv); if (is_ap_interface(drv->nlmode)) wpa_driver_nl80211_del_beacon(drv); if (drv->eapol_sock >= 0) { eloop_unregister_read_sock(drv->eapol_sock); close(drv->eapol_sock); } if (drv->if_indices != drv->default_if_indices) os_free(drv->if_indices); if (drv->disabled_11b_rates) nl80211_disable_11b_rates(drv, drv->ifindex, 0); netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, IF_OPER_UP); eloop_cancel_timeout(wpa_driver_nl80211_send_rfkill, drv, drv->ctx); rfkill_deinit(drv->rfkill); eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); if (!drv->start_iface_up) (void) i802_set_iface_flags(bss, 0); if (drv->addr_changed) { if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0) { wpa_printf(MSG_DEBUG, "nl80211: Could not set interface down to restore permanent MAC address"); } if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, drv->perm_addr) < 0) { wpa_printf(MSG_DEBUG, "nl80211: Could not restore permanent MAC address"); } } if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) { if (!drv->hostapd || !drv->start_mode_ap) wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION); nl80211_mgmt_unsubscribe(bss, "deinit"); } else { nl80211_mgmt_unsubscribe(bss, "deinit"); nl80211_del_p2pdev(bss); } nl_cb_put(drv->nl_cb); nl80211_destroy_bss(drv->first_bss); os_free(drv->filter_ssids); os_free(drv->auth_ie); if (drv->in_interface_list) dl_list_del(&drv->list); os_free(drv->extended_capa); os_free(drv->extended_capa_mask); os_free(drv->first_bss); os_free(drv); } static u32 wpa_alg_to_cipher_suite(enum wpa_alg alg, size_t key_len) { switch (alg) { case WPA_ALG_WEP: if (key_len == 5) return WLAN_CIPHER_SUITE_WEP40; return WLAN_CIPHER_SUITE_WEP104; case WPA_ALG_TKIP: return WLAN_CIPHER_SUITE_TKIP; case WPA_ALG_CCMP: return WLAN_CIPHER_SUITE_CCMP; case WPA_ALG_GCMP: return WLAN_CIPHER_SUITE_GCMP; case WPA_ALG_CCMP_256: return WLAN_CIPHER_SUITE_CCMP_256; case WPA_ALG_GCMP_256: return WLAN_CIPHER_SUITE_GCMP_256; case WPA_ALG_IGTK: return WLAN_CIPHER_SUITE_AES_CMAC; case WPA_ALG_BIP_GMAC_128: return WLAN_CIPHER_SUITE_BIP_GMAC_128; case WPA_ALG_BIP_GMAC_256: return WLAN_CIPHER_SUITE_BIP_GMAC_256; case WPA_ALG_BIP_CMAC_256: return WLAN_CIPHER_SUITE_BIP_CMAC_256; case WPA_ALG_SMS4: return WLAN_CIPHER_SUITE_SMS4; case WPA_ALG_KRK: return WLAN_CIPHER_SUITE_KRK; case WPA_ALG_NONE: case WPA_ALG_PMK: wpa_printf(MSG_ERROR, "nl80211: Unexpected encryption algorithm %d", alg); return 0; } wpa_printf(MSG_ERROR, "nl80211: Unsupported encryption algorithm %d", alg); return 0; } static u32 wpa_cipher_to_cipher_suite(unsigned int cipher) { switch (cipher) { case WPA_CIPHER_CCMP_256: return WLAN_CIPHER_SUITE_CCMP_256; case WPA_CIPHER_GCMP_256: return WLAN_CIPHER_SUITE_GCMP_256; case WPA_CIPHER_CCMP: return WLAN_CIPHER_SUITE_CCMP; case WPA_CIPHER_GCMP: return WLAN_CIPHER_SUITE_GCMP; case WPA_CIPHER_TKIP: return WLAN_CIPHER_SUITE_TKIP; case WPA_CIPHER_WEP104: return WLAN_CIPHER_SUITE_WEP104; case WPA_CIPHER_WEP40: return WLAN_CIPHER_SUITE_WEP40; case WPA_CIPHER_GTK_NOT_USED: return WLAN_CIPHER_SUITE_NO_GROUP_ADDR; } return 0; } static int wpa_cipher_to_cipher_suites(unsigned int ciphers, u32 suites[], int max_suites) { int num_suites = 0; if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP_256) suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP_256; if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP_256) suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP_256; if (num_suites < max_suites && ciphers & WPA_CIPHER_CCMP) suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP; if (num_suites < max_suites && ciphers & WPA_CIPHER_GCMP) suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP; if (num_suites < max_suites && ciphers & WPA_CIPHER_TKIP) suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP; if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP104) suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104; if (num_suites < max_suites && ciphers & WPA_CIPHER_WEP40) suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40; return num_suites; } static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv, const u8 *key, size_t key_len) { struct nl_msg *msg; int ret; if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) return 0; if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) || nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) { nlmsg_free(msg); return -1; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Key management set key failed: ret=%d (%s)", ret, strerror(-ret)); } return ret; } static int wpa_driver_nl80211_set_key(const char *ifname, struct i802_bss *bss, enum wpa_alg alg, const u8 *addr, int key_idx, int set_tx, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len) { struct wpa_driver_nl80211_data *drv = bss->drv; int ifindex; struct nl_msg *msg; int ret; int tdls = 0; /* Ignore for P2P Device */ if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) return 0; ifindex = if_nametoindex(ifname); wpa_printf(MSG_DEBUG, "%s: ifindex=%d (%s) alg=%d addr=%p key_idx=%d " "set_tx=%d seq_len=%lu key_len=%lu", __func__, ifindex, ifname, alg, addr, key_idx, set_tx, (unsigned long) seq_len, (unsigned long) key_len); #ifdef CONFIG_TDLS if (key_idx == -1) { key_idx = 0; tdls = 1; } #endif /* CONFIG_TDLS */ if (alg == WPA_ALG_PMK && (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) { wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key", __func__); ret = issue_key_mgmt_set_key(drv, key, key_len); return ret; } if (alg == WPA_ALG_NONE) { msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_DEL_KEY); if (!msg) return -ENOBUFS; } else { msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_NEW_KEY); if (!msg || nla_put(msg, NL80211_ATTR_KEY_DATA, key_len, key) || nla_put_u32(msg, NL80211_ATTR_KEY_CIPHER, wpa_alg_to_cipher_suite(alg, key_len))) goto fail; wpa_hexdump_key(MSG_DEBUG, "nl80211: KEY_DATA", key, key_len); } if (seq && seq_len) { if (nla_put(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq)) goto fail; wpa_hexdump(MSG_DEBUG, "nl80211: KEY_SEQ", seq, seq_len); } if (addr && !is_broadcast_ether_addr(addr)) { wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) goto fail; if (alg != WPA_ALG_WEP && key_idx && !set_tx) { wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); if (nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, NL80211_KEYTYPE_GROUP)) goto fail; } } else if (addr && is_broadcast_ether_addr(addr)) { struct nlattr *types; wpa_printf(MSG_DEBUG, " broadcast key"); types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); if (!types || nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST)) goto fail; nla_nest_end(msg, types); } if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) goto fail; ret = send_and_recv_msgs(drv, msg, NULL, NULL); if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE) ret = 0; if (ret) wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)", ret, strerror(-ret)); /* * If we failed or don't need to set the default TX key (below), * we're done here. */ if (ret || !set_tx || alg == WPA_ALG_NONE || tdls) return ret; if (is_ap_interface(drv->nlmode) && addr && !is_broadcast_ether_addr(addr)) return ret; msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY); if (!msg || nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) || nla_put_flag(msg, alg == WPA_ALG_IGTK ? NL80211_ATTR_KEY_DEFAULT_MGMT : NL80211_ATTR_KEY_DEFAULT)) goto fail; if (addr && is_broadcast_ether_addr(addr)) { struct nlattr *types; types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); if (!types || nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_MULTICAST)) goto fail; nla_nest_end(msg, types); } else if (addr) { struct nlattr *types; types = nla_nest_start(msg, NL80211_ATTR_KEY_DEFAULT_TYPES); if (!types || nla_put_flag(msg, NL80211_KEY_DEFAULT_TYPE_UNICAST)) goto fail; nla_nest_end(msg, types); } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret == -ENOENT) ret = 0; if (ret) wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; " "err=%d %s)", ret, strerror(-ret)); return ret; fail: nlmsg_free(msg); return -ENOBUFS; } static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, int key_idx, int defkey, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len) { struct nlattr *key_attr = nla_nest_start(msg, NL80211_ATTR_KEY); if (!key_attr) return -1; if (defkey && alg == WPA_ALG_IGTK) { if (nla_put_flag(msg, NL80211_KEY_DEFAULT_MGMT)) return -1; } else if (defkey) { if (nla_put_flag(msg, NL80211_KEY_DEFAULT)) return -1; } if (nla_put_u8(msg, NL80211_KEY_IDX, key_idx) || nla_put_u32(msg, NL80211_KEY_CIPHER, wpa_alg_to_cipher_suite(alg, key_len)) || (seq && seq_len && nla_put(msg, NL80211_KEY_SEQ, seq_len, seq)) || nla_put(msg, NL80211_KEY_DATA, key_len, key)) return -1; nla_nest_end(msg, key_attr); return 0; } static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, struct nl_msg *msg) { int i, privacy = 0; struct nlattr *nl_keys, *nl_key; for (i = 0; i < 4; i++) { if (!params->wep_key[i]) continue; privacy = 1; break; } if (params->wps == WPS_MODE_PRIVACY) privacy = 1; if (params->pairwise_suite && params->pairwise_suite != WPA_CIPHER_NONE) privacy = 1; if (!privacy) return 0; if (nla_put_flag(msg, NL80211_ATTR_PRIVACY)) return -ENOBUFS; nl_keys = nla_nest_start(msg, NL80211_ATTR_KEYS); if (!nl_keys) return -ENOBUFS; for (i = 0; i < 4; i++) { if (!params->wep_key[i]) continue; nl_key = nla_nest_start(msg, i); if (!nl_key || nla_put(msg, NL80211_KEY_DATA, params->wep_key_len[i], params->wep_key[i]) || nla_put_u32(msg, NL80211_KEY_CIPHER, params->wep_key_len[i] == 5 ? WLAN_CIPHER_SUITE_WEP40 : WLAN_CIPHER_SUITE_WEP104) || nla_put_u8(msg, NL80211_KEY_IDX, i) || (i == params->wep_tx_keyidx && nla_put_flag(msg, NL80211_KEY_DEFAULT))) return -ENOBUFS; nla_nest_end(msg, nl_key); } nla_nest_end(msg, nl_keys); return 0; } int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, const u8 *addr, int cmd, u16 reason_code, int local_state_change) { int ret; struct nl_msg *msg; if (!(msg = nl80211_drv_msg(drv, 0, cmd)) || nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code) || (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || (local_state_change && nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE))) { nlmsg_free(msg); return -1; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: MLME command failed: reason=%u ret=%d (%s)", reason_code, ret, strerror(-ret)); } return ret; } static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, int reason_code) { int ret; wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); nl80211_mark_disconnected(drv); /* Disconnect command doesn't need BSSID - it uses cached value */ ret = wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, reason_code, 0); /* * For locally generated disconnect, supplicant already generates a * DEAUTH event, so ignore the event from NL80211. */ drv->ignore_next_local_disconnect = ret == 0; return ret; } static int wpa_driver_nl80211_deauthenticate(struct i802_bss *bss, const u8 *addr, int reason_code) { struct wpa_driver_nl80211_data *drv = bss->drv; int ret; if (drv->nlmode == NL80211_IFTYPE_ADHOC) { nl80211_mark_disconnected(drv); return nl80211_leave_ibss(drv); } if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) return wpa_driver_nl80211_disconnect(drv, reason_code); wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", __func__, MAC2STR(addr), reason_code); nl80211_mark_disconnected(drv); ret = wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, reason_code, 0); /* * For locally generated deauthenticate, supplicant already generates a * DEAUTH event, so ignore the event from NL80211. */ drv->ignore_next_local_deauth = ret == 0; return ret; } static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, struct wpa_driver_auth_params *params) { int i; drv->auth_freq = params->freq; drv->auth_alg = params->auth_alg; drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; drv->auth_local_state_change = params->local_state_change; drv->auth_p2p = params->p2p; if (params->bssid) os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); else os_memset(drv->auth_bssid_, 0, ETH_ALEN); if (params->ssid) { os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); drv->auth_ssid_len = params->ssid_len; } else drv->auth_ssid_len = 0; os_free(drv->auth_ie); drv->auth_ie = NULL; drv->auth_ie_len = 0; if (params->ie) { drv->auth_ie = os_malloc(params->ie_len); if (drv->auth_ie) { os_memcpy(drv->auth_ie, params->ie, params->ie_len); drv->auth_ie_len = params->ie_len; } } for (i = 0; i < 4; i++) { if (params->wep_key[i] && params->wep_key_len[i] && params->wep_key_len[i] <= 16) { os_memcpy(drv->auth_wep_key[i], params->wep_key[i], params->wep_key_len[i]); drv->auth_wep_key_len[i] = params->wep_key_len[i]; } else drv->auth_wep_key_len[i] = 0; } } static void nl80211_unmask_11b_rates(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates) return; /* * Looks like we failed to unmask 11b rates previously. This could * happen, e.g., if the interface was down at the point in time when a * P2P group was terminated. */ wpa_printf(MSG_DEBUG, "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them", bss->ifname); nl80211_disable_11b_rates(drv, drv->ifindex, 0); } static int wpa_driver_nl80211_authenticate( struct i802_bss *bss, struct wpa_driver_auth_params *params) { struct wpa_driver_nl80211_data *drv = bss->drv; int ret = -1, i; struct nl_msg *msg; enum nl80211_auth_type type; enum nl80211_iftype nlmode; int count = 0; int is_retry; nl80211_unmask_11b_rates(bss); is_retry = drv->retry_auth; drv->retry_auth = 0; drv->ignore_deauth_event = 0; nl80211_mark_disconnected(drv); os_memset(drv->auth_bssid, 0, ETH_ALEN); if (params->bssid) os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); else os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); /* FIX: IBSS mode */ nlmode = params->p2p ? NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; if (drv->nlmode != nlmode && wpa_driver_nl80211_set_mode(bss, nlmode) < 0) return -1; retry: wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", drv->ifindex); msg = nl80211_drv_msg(drv, 0, NL80211_CMD_AUTHENTICATE); if (!msg) goto fail; for (i = 0; i < 4; i++) { if (!params->wep_key[i]) continue; wpa_driver_nl80211_set_key(bss->ifname, bss, WPA_ALG_WEP, NULL, i, i == params->wep_tx_keyidx, NULL, 0, params->wep_key[i], params->wep_key_len[i]); if (params->wep_tx_keyidx != i) continue; if (nl_add_key(msg, WPA_ALG_WEP, i, 1, NULL, 0, params->wep_key[i], params->wep_key_len[i])) goto fail; } if (params->bssid) { wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, MAC2STR(params->bssid)); if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) goto fail; } if (params->freq) { wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq)) goto fail; } if (params->ssid) { wpa_hexdump_ascii(MSG_DEBUG, " * SSID", params->ssid, params->ssid_len); if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) goto fail; } wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); if (params->ie && nla_put(msg, NL80211_ATTR_IE, params->ie_len, params->ie)) goto fail; if (params->sae_data) { wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data, params->sae_data_len); if (nla_put(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len, params->sae_data)) goto fail; } if (params->auth_alg & WPA_AUTH_ALG_OPEN) type = NL80211_AUTHTYPE_OPEN_SYSTEM; else if (params->auth_alg & WPA_AUTH_ALG_SHARED) type = NL80211_AUTHTYPE_SHARED_KEY; else if (params->auth_alg & WPA_AUTH_ALG_LEAP) type = NL80211_AUTHTYPE_NETWORK_EAP; else if (params->auth_alg & WPA_AUTH_ALG_FT) type = NL80211_AUTHTYPE_FT; else if (params->auth_alg & WPA_AUTH_ALG_SAE) type = NL80211_AUTHTYPE_SAE; else goto fail; wpa_printf(MSG_DEBUG, " * Auth Type %d", type); if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) goto fail; if (params->local_state_change) { wpa_printf(MSG_DEBUG, " * Local state change only"); if (nla_put_flag(msg, NL80211_ATTR_LOCAL_STATE_CHANGE)) goto fail; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: MLME command failed (auth): ret=%d (%s)", ret, strerror(-ret)); count++; if (ret == -EALREADY && count == 1 && params->bssid && !params->local_state_change) { /* * mac80211 does not currently accept new * authentication if we are already authenticated. As a * workaround, force deauthentication and try again. */ wpa_printf(MSG_DEBUG, "nl80211: Retry authentication " "after forced deauthentication"); drv->ignore_deauth_event = 1; wpa_driver_nl80211_deauthenticate( bss, params->bssid, WLAN_REASON_PREV_AUTH_NOT_VALID); nlmsg_free(msg); goto retry; } if (ret == -ENOENT && params->freq && !is_retry) { /* * cfg80211 has likely expired the BSS entry even * though it was previously available in our internal * BSS table. To recover quickly, start a single * channel scan on the specified channel. */ struct wpa_driver_scan_params scan; int freqs[2]; os_memset(&scan, 0, sizeof(scan)); scan.num_ssids = 1; if (params->ssid) { scan.ssids[0].ssid = params->ssid; scan.ssids[0].ssid_len = params->ssid_len; } freqs[0] = params->freq; freqs[1] = 0; scan.freqs = freqs; wpa_printf(MSG_DEBUG, "nl80211: Trigger single " "channel scan to refresh cfg80211 BSS " "entry"); ret = wpa_driver_nl80211_scan(bss, &scan); if (ret == 0) { nl80211_copy_auth_params(drv, params); drv->scan_for_auth = 1; } } else if (is_retry) { /* * Need to indicate this with an event since the return * value from the retry is not delivered to core code. */ union wpa_event_data event; wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " "failed"); os_memset(&event, 0, sizeof(event)); os_memcpy(event.timeout_event.addr, drv->auth_bssid_, ETH_ALEN); wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, &event); } } else { wpa_printf(MSG_DEBUG, "nl80211: Authentication request send successfully"); } fail: nlmsg_free(msg); return ret; } int wpa_driver_nl80211_authenticate_retry(struct wpa_driver_nl80211_data *drv) { struct wpa_driver_auth_params params; struct i802_bss *bss = drv->first_bss; int i; wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); os_memset(¶ms, 0, sizeof(params)); params.freq = drv->auth_freq; params.auth_alg = drv->auth_alg; params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; params.local_state_change = drv->auth_local_state_change; params.p2p = drv->auth_p2p; if (!is_zero_ether_addr(drv->auth_bssid_)) params.bssid = drv->auth_bssid_; if (drv->auth_ssid_len) { params.ssid = drv->auth_ssid; params.ssid_len = drv->auth_ssid_len; } params.ie = drv->auth_ie; params.ie_len = drv->auth_ie_len; for (i = 0; i < 4; i++) { if (drv->auth_wep_key_len[i]) { params.wep_key[i] = drv->auth_wep_key[i]; params.wep_key_len[i] = drv->auth_wep_key_len[i]; } } drv->retry_auth = 1; return wpa_driver_nl80211_authenticate(bss, ¶ms); } static int wpa_driver_nl80211_send_frame(struct i802_bss *bss, const void *data, size_t len, int encrypt, int noack, unsigned int freq, int no_cck, int offchanok, unsigned int wait_time) { struct wpa_driver_nl80211_data *drv = bss->drv; u64 cookie; int res; if (freq == 0 && drv->nlmode == NL80211_IFTYPE_ADHOC) { freq = nl80211_get_assoc_freq(drv); wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use assoc_freq=%u for IBSS", freq); } if (freq == 0) { wpa_printf(MSG_DEBUG, "nl80211: send_frame - Use bss->freq=%u", bss->freq); freq = bss->freq; } if (drv->use_monitor) { wpa_printf(MSG_DEBUG, "nl80211: send_frame(freq=%u bss->freq=%u) -> send_monitor", freq, bss->freq); return nl80211_send_monitor(drv, data, len, encrypt, noack); } wpa_printf(MSG_DEBUG, "nl80211: send_frame -> send_frame_cmd"); res = nl80211_send_frame_cmd(bss, freq, wait_time, data, len, &cookie, no_cck, noack, offchanok); if (res == 0 && !noack) { const struct ieee80211_mgmt *mgmt; u16 fc; mgmt = (const struct ieee80211_mgmt *) data; fc = le_to_host16(mgmt->frame_control); if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) { wpa_printf(MSG_MSGDUMP, "nl80211: Update send_action_cookie from 0x%llx to 0x%llx", (long long unsigned int) drv->send_action_cookie, (long long unsigned int) cookie); drv->send_action_cookie = cookie; } } return res; } static int wpa_driver_nl80211_send_mlme(struct i802_bss *bss, const u8 *data, size_t data_len, int noack, unsigned int freq, int no_cck, int offchanok, unsigned int wait_time) { struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_mgmt *mgmt; int encrypt = 1; u16 fc; mgmt = (struct ieee80211_mgmt *) data; fc = le_to_host16(mgmt->frame_control); wpa_printf(MSG_DEBUG, "nl80211: send_mlme - da= " MACSTR " noack=%d freq=%u no_cck=%d offchanok=%d wait_time=%u fc=0x%x (%s) nlmode=%d", MAC2STR(mgmt->da), noack, freq, no_cck, offchanok, wait_time, fc, fc2str(fc), drv->nlmode); if ((is_sta_interface(drv->nlmode) || drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) && WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { /* * The use of last_mgmt_freq is a bit of a hack, * but it works due to the single-threaded nature * of wpa_supplicant. */ if (freq == 0) { wpa_printf(MSG_DEBUG, "nl80211: Use last_mgmt_freq=%d", drv->last_mgmt_freq); freq = drv->last_mgmt_freq; } return nl80211_send_frame_cmd(bss, freq, 0, data, data_len, NULL, 1, noack, 1); } if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { if (freq == 0) { wpa_printf(MSG_DEBUG, "nl80211: Use bss->freq=%d", bss->freq); freq = bss->freq; } return nl80211_send_frame_cmd(bss, freq, (int) freq == bss->freq ? 0 : wait_time, data, data_len, &drv->send_action_cookie, no_cck, noack, offchanok); } if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { /* * Only one of the authentication frame types is encrypted. * In order for static WEP encryption to work properly (i.e., * to not encrypt the frame), we need to tell mac80211 about * the frames that must not be encrypted. */ u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg); u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction); if (auth_alg != WLAN_AUTH_SHARED_KEY || auth_trans != 3) encrypt = 0; } wpa_printf(MSG_DEBUG, "nl80211: send_mlme -> send_frame"); return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, noack, freq, no_cck, offchanok, wait_time); } static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, int slot, int ht_opmode, int ap_isolate, int *basic_rates) { struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_BSS)) || (cts >= 0 && nla_put_u8(msg, NL80211_ATTR_BSS_CTS_PROT, cts)) || (preamble >= 0 && nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble)) || (slot >= 0 && nla_put_u8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot)) || (ht_opmode >= 0 && nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) || (ap_isolate >= 0 && nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate))) goto fail; if (basic_rates) { u8 rates[NL80211_MAX_SUPP_RATES]; u8 rates_len = 0; int i; for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++) rates[rates_len++] = basic_rates[i] / 5; if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates)) goto fail; } return send_and_recv_msgs(drv, msg, NULL, NULL); fail: nlmsg_free(msg); return -ENOBUFS; } static int wpa_driver_nl80211_set_acl(void *priv, struct hostapd_acl_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *acl; unsigned int i; int ret; if (!(drv->capa.max_acl_mac_addrs)) return -ENOTSUP; if (params->num_mac_acl > drv->capa.max_acl_mac_addrs) return -ENOTSUP; wpa_printf(MSG_DEBUG, "nl80211: Set %s ACL (num_mac_acl=%u)", params->acl_policy ? "Accept" : "Deny", params->num_mac_acl); if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_MAC_ACL)) || nla_put_u32(msg, NL80211_ATTR_ACL_POLICY, params->acl_policy ? NL80211_ACL_POLICY_DENY_UNLESS_LISTED : NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED) || (acl = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS)) == NULL) { nlmsg_free(msg); return -ENOMEM; } for (i = 0; i < params->num_mac_acl; i++) { if (nla_put(msg, i + 1, ETH_ALEN, params->mac_acl[i].addr)) { nlmsg_free(msg); return -ENOMEM; } } nla_nest_end(msg, acl); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)", ret, strerror(-ret)); } return ret; } static int wpa_driver_nl80211_set_ap(void *priv, struct wpa_driver_ap_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; u8 cmd = NL80211_CMD_NEW_BEACON; int ret; int beacon_set; int num_suites; int smps_mode; u32 suites[10], suite; u32 ver; beacon_set = bss->beacon_set; wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)", beacon_set); if (beacon_set) cmd = NL80211_CMD_SET_BEACON; wpa_hexdump(MSG_DEBUG, "nl80211: Beacon head", params->head, params->head_len); wpa_hexdump(MSG_DEBUG, "nl80211: Beacon tail", params->tail, params->tail_len); wpa_printf(MSG_DEBUG, "nl80211: ifindex=%d", bss->ifindex); wpa_printf(MSG_DEBUG, "nl80211: beacon_int=%d", params->beacon_int); wpa_printf(MSG_DEBUG, "nl80211: dtim_period=%d", params->dtim_period); wpa_hexdump_ascii(MSG_DEBUG, "nl80211: ssid", params->ssid, params->ssid_len); if (!(msg = nl80211_bss_msg(bss, 0, cmd)) || nla_put(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head) || nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail) || nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int) || nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) || nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) goto fail; if (params->proberesp && params->proberesp_len) { wpa_hexdump(MSG_DEBUG, "nl80211: proberesp (offload)", params->proberesp, params->proberesp_len); if (nla_put(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, params->proberesp)) goto fail; } switch (params->hide_ssid) { case NO_SSID_HIDING: wpa_printf(MSG_DEBUG, "nl80211: hidden SSID not in use"); if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, NL80211_HIDDEN_SSID_NOT_IN_USE)) goto fail; break; case HIDDEN_SSID_ZERO_LEN: wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero len"); if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, NL80211_HIDDEN_SSID_ZERO_LEN)) goto fail; break; case HIDDEN_SSID_ZERO_CONTENTS: wpa_printf(MSG_DEBUG, "nl80211: hidden SSID zero contents"); if (nla_put_u32(msg, NL80211_ATTR_HIDDEN_SSID, NL80211_HIDDEN_SSID_ZERO_CONTENTS)) goto fail; break; } wpa_printf(MSG_DEBUG, "nl80211: privacy=%d", params->privacy); if (params->privacy && nla_put_flag(msg, NL80211_ATTR_PRIVACY)) goto fail; wpa_printf(MSG_DEBUG, "nl80211: auth_algs=0x%x", params->auth_algs); if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { /* Leave out the attribute */ } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) { if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, NL80211_AUTHTYPE_SHARED_KEY)) goto fail; } else { if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, NL80211_AUTHTYPE_OPEN_SYSTEM)) goto fail; } wpa_printf(MSG_DEBUG, "nl80211: wpa_version=0x%x", params->wpa_version); ver = 0; if (params->wpa_version & WPA_PROTO_WPA) ver |= NL80211_WPA_VERSION_1; if (params->wpa_version & WPA_PROTO_RSN) ver |= NL80211_WPA_VERSION_2; if (ver && nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver)) goto fail; wpa_printf(MSG_DEBUG, "nl80211: key_mgmt_suites=0x%x", params->key_mgmt_suites); num_suites = 0; if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X) suites[num_suites++] = WLAN_AKM_SUITE_8021X; if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK) suites[num_suites++] = WLAN_AKM_SUITE_PSK; if (num_suites && nla_put(msg, NL80211_ATTR_AKM_SUITES, num_suites * sizeof(u32), suites)) goto fail; if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA && params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) && nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT)) goto fail; wpa_printf(MSG_DEBUG, "nl80211: pairwise_ciphers=0x%x", params->pairwise_ciphers); num_suites = wpa_cipher_to_cipher_suites(params->pairwise_ciphers, suites, ARRAY_SIZE(suites)); if (num_suites && nla_put(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, num_suites * sizeof(u32), suites)) goto fail; wpa_printf(MSG_DEBUG, "nl80211: group_cipher=0x%x", params->group_cipher); suite = wpa_cipher_to_cipher_suite(params->group_cipher); if (suite && nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, suite)) goto fail; switch (params->smps_mode) { case HT_CAP_INFO_SMPS_DYNAMIC: wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - dynamic"); smps_mode = NL80211_SMPS_DYNAMIC; break; case HT_CAP_INFO_SMPS_STATIC: wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - static"); smps_mode = NL80211_SMPS_STATIC; break; default: /* invalid - fallback to smps off */ case HT_CAP_INFO_SMPS_DISABLED: wpa_printf(MSG_DEBUG, "nl80211: SMPS mode - off"); smps_mode = NL80211_SMPS_OFF; break; } if (nla_put_u32(msg, NL80211_ATTR_SMPS_MODE, smps_mode)) goto fail; if (params->beacon_ies) { wpa_hexdump_buf(MSG_DEBUG, "nl80211: beacon_ies", params->beacon_ies); if (nla_put(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies), wpabuf_head(params->beacon_ies))) goto fail; } if (params->proberesp_ies) { wpa_hexdump_buf(MSG_DEBUG, "nl80211: proberesp_ies", params->proberesp_ies); if (nla_put(msg, NL80211_ATTR_IE_PROBE_RESP, wpabuf_len(params->proberesp_ies), wpabuf_head(params->proberesp_ies))) goto fail; } if (params->assocresp_ies) { wpa_hexdump_buf(MSG_DEBUG, "nl80211: assocresp_ies", params->assocresp_ies); if (nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP, wpabuf_len(params->assocresp_ies), wpabuf_head(params->assocresp_ies))) goto fail; } if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { wpa_printf(MSG_DEBUG, "nl80211: ap_max_inactivity=%d", params->ap_max_inactivity); if (nla_put_u16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, params->ap_max_inactivity)) goto fail; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)", ret, strerror(-ret)); } else { bss->beacon_set = 1; nl80211_set_bss(bss, params->cts_protect, params->preamble, params->short_slot_time, params->ht_opmode, params->isolate, params->basic_rates); if (beacon_set && params->freq && params->freq->bandwidth != bss->bandwidth) { wpa_printf(MSG_DEBUG, "nl80211: Update BSS %s bandwidth: %d -> %d", bss->ifname, bss->bandwidth, params->freq->bandwidth); ret = nl80211_set_channel(bss, params->freq, 1); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Frequency set failed: %d (%s)", ret, strerror(-ret)); } else { wpa_printf(MSG_DEBUG, "nl80211: Frequency set succeeded for ht2040 coex"); bss->bandwidth = params->freq->bandwidth; } } else if (!beacon_set) { /* * cfg80211 updates the driver on frequence change in AP * mode only at the point when beaconing is started, so * set the initial value here. */ bss->bandwidth = params->freq->bandwidth; } } return ret; fail: nlmsg_free(msg); return -ENOBUFS; } static int nl80211_put_freq_params(struct nl_msg *msg, struct hostapd_freq_params *freq) { if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq)) return -ENOBUFS; if (freq->vht_enabled) { enum nl80211_chan_width cw; switch (freq->bandwidth) { case 20: cw = NL80211_CHAN_WIDTH_20; break; case 40: cw = NL80211_CHAN_WIDTH_40; break; case 80: if (freq->center_freq2) cw = NL80211_CHAN_WIDTH_80P80; else cw = NL80211_CHAN_WIDTH_80; break; case 160: cw = NL80211_CHAN_WIDTH_160; break; default: return -EINVAL; } if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) || nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, freq->center_freq1) || (freq->center_freq2 && nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, freq->center_freq2))) return -ENOBUFS; } else if (freq->ht_enabled) { enum nl80211_channel_type ct; switch (freq->sec_channel_offset) { case -1: ct = NL80211_CHAN_HT40MINUS; break; case 1: ct = NL80211_CHAN_HT40PLUS; break; default: ct = NL80211_CHAN_HT20; break; } if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct)) return -ENOBUFS; } return 0; } static int nl80211_set_channel(struct i802_bss *bss, struct hostapd_freq_params *freq, int set_chan) { struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", freq->freq, freq->ht_enabled, freq->vht_enabled, freq->bandwidth, freq->center_freq1, freq->center_freq2); msg = nl80211_drv_msg(drv, 0, set_chan ? NL80211_CMD_SET_CHANNEL : NL80211_CMD_SET_WIPHY); if (!msg || nl80211_put_freq_params(msg, freq) < 0) { nlmsg_free(msg); return -1; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret == 0) { bss->freq = freq->freq; return 0; } wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " "%d (%s)", freq->freq, ret, strerror(-ret)); return -1; } static u32 sta_flags_nl80211(int flags) { u32 f = 0; if (flags & WPA_STA_AUTHORIZED) f |= BIT(NL80211_STA_FLAG_AUTHORIZED); if (flags & WPA_STA_WMM) f |= BIT(NL80211_STA_FLAG_WME); if (flags & WPA_STA_SHORT_PREAMBLE) f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); if (flags & WPA_STA_MFP) f |= BIT(NL80211_STA_FLAG_MFP); if (flags & WPA_STA_TDLS_PEER) f |= BIT(NL80211_STA_FLAG_TDLS_PEER); if (flags & WPA_STA_AUTHENTICATED) f |= BIT(NL80211_STA_FLAG_AUTHENTICATED); return f; } #ifdef CONFIG_MESH static u32 sta_plink_state_nl80211(enum mesh_plink_state state) { switch (state) { case PLINK_LISTEN: return NL80211_PLINK_LISTEN; case PLINK_OPEN_SENT: return NL80211_PLINK_OPN_SNT; case PLINK_OPEN_RCVD: return NL80211_PLINK_OPN_RCVD; case PLINK_CNF_RCVD: return NL80211_PLINK_CNF_RCVD; case PLINK_ESTAB: return NL80211_PLINK_ESTAB; case PLINK_HOLDING: return NL80211_PLINK_HOLDING; case PLINK_BLOCKED: return NL80211_PLINK_BLOCKED; default: wpa_printf(MSG_ERROR, "nl80211: Invalid mesh plink state %d", state); } return -1; } #endif /* CONFIG_MESH */ static int wpa_driver_nl80211_sta_add(void *priv, struct hostapd_sta_add_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nl80211_sta_flag_update upd; int ret = -ENOBUFS; if ((params->flags & WPA_STA_TDLS_PEER) && !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) return -EOPNOTSUPP; wpa_printf(MSG_DEBUG, "nl80211: %s STA " MACSTR, params->set ? "Set" : "Add", MAC2STR(params->addr)); msg = nl80211_bss_msg(bss, 0, params->set ? NL80211_CMD_SET_STATION : NL80211_CMD_NEW_STATION); if (!msg || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr)) goto fail; if (!params->set || (params->flags & WPA_STA_TDLS_PEER)) { wpa_hexdump(MSG_DEBUG, " * supported rates", params->supp_rates, params->supp_rates_len); wpa_printf(MSG_DEBUG, " * capability=0x%x", params->capability); if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len, params->supp_rates) || nla_put_u16(msg, NL80211_ATTR_STA_CAPABILITY, params->capability)) goto fail; if (params->ht_capabilities) { wpa_hexdump(MSG_DEBUG, " * ht_capabilities", (u8 *) params->ht_capabilities, sizeof(*params->ht_capabilities)); if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sizeof(*params->ht_capabilities), params->ht_capabilities)) goto fail; } if (params->vht_capabilities) { wpa_hexdump(MSG_DEBUG, " * vht_capabilities", (u8 *) params->vht_capabilities, sizeof(*params->vht_capabilities)); if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sizeof(*params->vht_capabilities), params->vht_capabilities)) goto fail; } if (params->ext_capab) { wpa_hexdump(MSG_DEBUG, " * ext_capab", params->ext_capab, params->ext_capab_len); if (nla_put(msg, NL80211_ATTR_STA_EXT_CAPABILITY, params->ext_capab_len, params->ext_capab)) goto fail; } } if (!params->set) { if (params->aid) { wpa_printf(MSG_DEBUG, " * aid=%u", params->aid); if (nla_put_u16(msg, NL80211_ATTR_STA_AID, params->aid)) goto fail; } else { /* * cfg80211 validates that AID is non-zero, so we have * to make this a non-zero value for the TDLS case where * a dummy STA entry is used for now. */ wpa_printf(MSG_DEBUG, " * aid=1 (TDLS workaround)"); if (nla_put_u16(msg, NL80211_ATTR_STA_AID, 1)) goto fail; } wpa_printf(MSG_DEBUG, " * listen_interval=%u", params->listen_interval); if (nla_put_u16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, params->listen_interval)) goto fail; } else if (params->aid && (params->flags & WPA_STA_TDLS_PEER)) { wpa_printf(MSG_DEBUG, " * peer_aid=%u", params->aid); if (nla_put_u16(msg, NL80211_ATTR_PEER_AID, params->aid)) goto fail; } if (params->vht_opmode_enabled) { wpa_printf(MSG_DEBUG, " * opmode=%u", params->vht_opmode); if (nla_put_u8(msg, NL80211_ATTR_OPMODE_NOTIF, params->vht_opmode)) goto fail; } if (params->supp_channels) { wpa_hexdump(MSG_DEBUG, " * supported channels", params->supp_channels, params->supp_channels_len); if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_CHANNELS, params->supp_channels_len, params->supp_channels)) goto fail; } if (params->supp_oper_classes) { wpa_hexdump(MSG_DEBUG, " * supported operating classes", params->supp_oper_classes, params->supp_oper_classes_len); if (nla_put(msg, NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES, params->supp_oper_classes_len, params->supp_oper_classes)) goto fail; } os_memset(&upd, 0, sizeof(upd)); upd.set = sta_flags_nl80211(params->flags); upd.mask = upd.set | sta_flags_nl80211(params->flags_mask); wpa_printf(MSG_DEBUG, " * flags set=0x%x mask=0x%x", upd.set, upd.mask); if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) goto fail; #ifdef CONFIG_MESH if (params->plink_state && nla_put_u8(msg, NL80211_ATTR_STA_PLINK_STATE, sta_plink_state_nl80211(params->plink_state))) goto fail; #endif /* CONFIG_MESH */ if (params->flags & WPA_STA_WMM) { struct nlattr *wme = nla_nest_start(msg, NL80211_ATTR_STA_WME); wpa_printf(MSG_DEBUG, " * qosinfo=0x%x", params->qosinfo); if (!wme || nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, params->qosinfo & WMM_QOSINFO_STA_AC_MASK) || nla_put_u8(msg, NL80211_STA_WME_MAX_SP, (params->qosinfo >> WMM_QOSINFO_STA_SP_SHIFT) & WMM_QOSINFO_STA_SP_MASK)) goto fail; nla_nest_end(msg, wme); } ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " "result: %d (%s)", params->set ? "SET" : "NEW", ret, strerror(-ret)); if (ret == -EEXIST) ret = 0; fail: nlmsg_free(msg); return ret; } static void rtnl_neigh_delete_fdb_entry(struct i802_bss *bss, const u8 *addr) { #ifdef CONFIG_LIBNL3_ROUTE struct wpa_driver_nl80211_data *drv = bss->drv; struct rtnl_neigh *rn; struct nl_addr *nl_addr; int err; rn = rtnl_neigh_alloc(); if (!rn) return; rtnl_neigh_set_family(rn, AF_BRIDGE); rtnl_neigh_set_ifindex(rn, bss->ifindex); nl_addr = nl_addr_build(AF_BRIDGE, (void *) addr, ETH_ALEN); if (!nl_addr) { rtnl_neigh_put(rn); return; } rtnl_neigh_set_lladdr(rn, nl_addr); err = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); if (err < 0) { wpa_printf(MSG_DEBUG, "nl80211: bridge FDB entry delete for " MACSTR " ifindex=%d failed: %s", MAC2STR(addr), bss->ifindex, nl_geterror(err)); } else { wpa_printf(MSG_DEBUG, "nl80211: deleted bridge FDB entry for " MACSTR, MAC2STR(addr)); } nl_addr_put(nl_addr); rtnl_neigh_put(rn); #endif /* CONFIG_LIBNL3_ROUTE */ } static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr, int deauth, u16 reason_code) { struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || (deauth == 0 && nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE, WLAN_FC_STYPE_DISASSOC)) || (deauth == 1 && nla_put_u8(msg, NL80211_ATTR_MGMT_SUBTYPE, WLAN_FC_STYPE_DEAUTH)) || (reason_code && nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR " --> %d (%s)", bss->ifname, MAC2STR(addr), ret, strerror(-ret)); if (drv->rtnl_sk) rtnl_neigh_delete_fdb_entry(bss, addr); if (ret == -ENOENT) return 0; return ret; } void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx) { struct nl_msg *msg; struct wpa_driver_nl80211_data *drv2; wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); /* stop listening for EAPOL on this interface */ dl_list_for_each(drv2, &drv->global->interfaces, struct wpa_driver_nl80211_data, list) del_ifidx(drv2, ifidx); msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE); if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) return; wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); } static const char * nl80211_iftype_str(enum nl80211_iftype mode) { switch (mode) { case NL80211_IFTYPE_ADHOC: return "ADHOC"; case NL80211_IFTYPE_STATION: return "STATION"; case NL80211_IFTYPE_AP: return "AP"; case NL80211_IFTYPE_AP_VLAN: return "AP_VLAN"; case NL80211_IFTYPE_WDS: return "WDS"; case NL80211_IFTYPE_MONITOR: return "MONITOR"; case NL80211_IFTYPE_MESH_POINT: return "MESH_POINT"; case NL80211_IFTYPE_P2P_CLIENT: return "P2P_CLIENT"; case NL80211_IFTYPE_P2P_GO: return "P2P_GO"; case NL80211_IFTYPE_P2P_DEVICE: return "P2P_DEVICE"; default: return "unknown"; } } static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, const char *ifname, enum nl80211_iftype iftype, const u8 *addr, int wds, int (*handler)(struct nl_msg *, void *), void *arg) { struct nl_msg *msg; int ifidx; int ret = -ENOBUFS; wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", iftype, nl80211_iftype_str(iftype)); msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_NEW_INTERFACE); if (!msg || nla_put_string(msg, NL80211_ATTR_IFNAME, ifname) || nla_put_u32(msg, NL80211_ATTR_IFTYPE, iftype)) goto fail; if (iftype == NL80211_IFTYPE_MONITOR) { struct nlattr *flags; flags = nla_nest_start(msg, NL80211_ATTR_MNTR_FLAGS); if (!flags || nla_put_flag(msg, NL80211_MNTR_FLAG_COOK_FRAMES)) goto fail; nla_nest_end(msg, flags); } else if (wds) { if (nla_put_u8(msg, NL80211_ATTR_4ADDR, wds)) goto fail; } /* * Tell cfg80211 that the interface belongs to the socket that created * it, and the interface should be deleted when the socket is closed. */ if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER)) goto fail; ret = send_and_recv_msgs(drv, msg, handler, arg); msg = NULL; if (ret) { fail: nlmsg_free(msg); wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", ifname, ret, strerror(-ret)); return ret; } if (iftype == NL80211_IFTYPE_P2P_DEVICE) return 0; ifidx = if_nametoindex(ifname); wpa_printf(MSG_DEBUG, "nl80211: New interface %s created: ifindex=%d", ifname, ifidx); if (ifidx <= 0) return -1; /* * Some virtual interfaces need to process EAPOL packets and events on * the parent interface. This is used mainly with hostapd. */ if (drv->hostapd || iftype == NL80211_IFTYPE_AP_VLAN || iftype == NL80211_IFTYPE_WDS || iftype == NL80211_IFTYPE_MONITOR) { /* start listening for EAPOL on this interface */ add_ifidx(drv, ifidx); } if (addr && iftype != NL80211_IFTYPE_MONITOR && linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { nl80211_remove_iface(drv, ifidx); return -1; } return ifidx; } int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, const char *ifname, enum nl80211_iftype iftype, const u8 *addr, int wds, int (*handler)(struct nl_msg *, void *), void *arg, int use_existing) { int ret; ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler, arg); /* if error occurred and interface exists already */ if (ret == -ENFILE && if_nametoindex(ifname)) { if (use_existing) { wpa_printf(MSG_DEBUG, "nl80211: Continue using existing interface %s", ifname); if (addr && iftype != NL80211_IFTYPE_MONITOR && linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr) < 0 && (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 0) < 0 || linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr) < 0 || linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1) < 0)) return -1; return -ENFILE; } wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); /* Try to remove the interface that was already there. */ nl80211_remove_iface(drv, if_nametoindex(ifname)); /* Try to create the interface again */ ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds, handler, arg); } if (ret >= 0 && is_p2p_net_interface(iftype)) { wpa_printf(MSG_DEBUG, "nl80211: Interface %s created for P2P - disable 11b rates", ifname); nl80211_disable_11b_rates(drv, ret, 1); } return ret; } static int nl80211_setup_ap(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; wpa_printf(MSG_DEBUG, "nl80211: Setup AP(%s) - device_ap_sme=%d use_monitor=%d", bss->ifname, drv->device_ap_sme, drv->use_monitor); /* * Disable Probe Request reporting unless we need it in this way for * devices that include the AP SME, in the other case (unless using * monitor iface) we'll get it through the nl_mgmt socket instead. */ if (!drv->device_ap_sme) wpa_driver_nl80211_probe_req_report(bss, 0); if (!drv->device_ap_sme && !drv->use_monitor) if (nl80211_mgmt_subscribe_ap(bss)) return -1; if (drv->device_ap_sme && !drv->use_monitor) if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) return -1; if (!drv->device_ap_sme && drv->use_monitor && nl80211_create_monitor_interface(drv) && !drv->device_ap_sme) return -1; if (drv->device_ap_sme && wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " "Probe Request frame reporting in AP mode"); /* Try to survive without this */ } return 0; } static void nl80211_teardown_ap(struct i802_bss *bss) { struct wpa_driver_nl80211_data *drv = bss->drv; wpa_printf(MSG_DEBUG, "nl80211: Teardown AP(%s) - device_ap_sme=%d use_monitor=%d", bss->ifname, drv->device_ap_sme, drv->use_monitor); if (drv->device_ap_sme) { wpa_driver_nl80211_probe_req_report(bss, 0); if (!drv->use_monitor) nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); } else if (drv->use_monitor) nl80211_remove_monitor_interface(drv); else nl80211_mgmt_unsubscribe(bss, "AP teardown"); bss->beacon_set = 0; } static int nl80211_send_eapol_data(struct i802_bss *bss, const u8 *addr, const u8 *data, size_t data_len) { struct sockaddr_ll ll; int ret; if (bss->drv->eapol_tx_sock < 0) { wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); return -1; } os_memset(&ll, 0, sizeof(ll)); ll.sll_family = AF_PACKET; ll.sll_ifindex = bss->ifindex; ll.sll_protocol = htons(ETH_P_PAE); ll.sll_halen = ETH_ALEN; os_memcpy(ll.sll_addr, addr, ETH_ALEN); ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, (struct sockaddr *) &ll, sizeof(ll)); if (ret < 0) wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", strerror(errno)); return ret; } static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; static int wpa_driver_nl80211_hapd_send_eapol( void *priv, const u8 *addr, const u8 *data, size_t data_len, int encrypt, const u8 *own_addr, u32 flags) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_hdr *hdr; size_t len; u8 *pos; int res; int qos = flags & WPA_STA_WMM; if (drv->device_ap_sme || !drv->use_monitor) return nl80211_send_eapol_data(bss, addr, data, data_len); len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + data_len; hdr = os_zalloc(len); if (hdr == NULL) { wpa_printf(MSG_INFO, "nl80211: Failed to allocate EAPOL buffer(len=%lu)", (unsigned long) len); return -1; } hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA); hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); if (encrypt) hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); if (qos) { hdr->frame_control |= host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); } memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); pos = (u8 *) (hdr + 1); if (qos) { /* Set highest priority in QoS header */ pos[0] = 7; pos[1] = 0; pos += 2; } memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); pos += sizeof(rfc1042_header); WPA_PUT_BE16(pos, ETH_P_PAE); pos += 2; memcpy(pos, data, data_len); res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0, 0, 0, 0, 0); if (res < 0) { wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - " "failed: %d (%s)", (unsigned long) len, errno, strerror(errno)); } os_free(hdr); return res; } static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or, int flags_and) { struct i802_bss *bss = priv; struct nl_msg *msg; struct nlattr *flags; struct nl80211_sta_flag_update upd; wpa_printf(MSG_DEBUG, "nl80211: Set STA flags - ifname=%s addr=" MACSTR " total_flags=0x%x flags_or=0x%x flags_and=0x%x authorized=%d", bss->ifname, MAC2STR(addr), total_flags, flags_or, flags_and, !!(total_flags & WPA_STA_AUTHORIZED)); if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) goto fail; /* * Backwards compatibility version using NL80211_ATTR_STA_FLAGS. This * can be removed eventually. */ flags = nla_nest_start(msg, NL80211_ATTR_STA_FLAGS); if (!flags || ((total_flags & WPA_STA_AUTHORIZED) && nla_put_flag(msg, NL80211_STA_FLAG_AUTHORIZED)) || ((total_flags & WPA_STA_WMM) && nla_put_flag(msg, NL80211_STA_FLAG_WME)) || ((total_flags & WPA_STA_SHORT_PREAMBLE) && nla_put_flag(msg, NL80211_STA_FLAG_SHORT_PREAMBLE)) || ((total_flags & WPA_STA_MFP) && nla_put_flag(msg, NL80211_STA_FLAG_MFP)) || ((total_flags & WPA_STA_TDLS_PEER) && nla_put_flag(msg, NL80211_STA_FLAG_TDLS_PEER))) goto fail; nla_nest_end(msg, flags); os_memset(&upd, 0, sizeof(upd)); upd.mask = sta_flags_nl80211(flags_or | ~flags_and); upd.set = sta_flags_nl80211(flags_or); if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) goto fail; return send_and_recv_msgs(bss->drv, msg, NULL, NULL); fail: nlmsg_free(msg); return -ENOBUFS; } static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params) { enum nl80211_iftype nlmode, old_mode; if (params->p2p) { wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " "group (GO)"); nlmode = NL80211_IFTYPE_P2P_GO; } else nlmode = NL80211_IFTYPE_AP; old_mode = drv->nlmode; if (wpa_driver_nl80211_set_mode(drv->first_bss, nlmode)) { nl80211_remove_monitor_interface(drv); return -1; } if (nl80211_set_channel(drv->first_bss, ¶ms->freq, 0)) { if (old_mode != nlmode) wpa_driver_nl80211_set_mode(drv->first_bss, old_mode); nl80211_remove_monitor_interface(drv); return -1; } return 0; } static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv) { struct nl_msg *msg; int ret; msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d " "(%s)", ret, strerror(-ret)); } else { wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS request sent successfully"); } if (wpa_driver_nl80211_set_mode(drv->first_bss, NL80211_IFTYPE_STATION)) { wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " "station mode"); } return ret; } static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params) { struct nl_msg *msg; int ret = -1; int count = 0; wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); if (wpa_driver_nl80211_set_mode_ibss(drv->first_bss, ¶ms->freq)) { wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " "IBSS mode"); return -1; } retry: if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_IBSS)) || params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) goto fail; wpa_hexdump_ascii(MSG_DEBUG, " * SSID", params->ssid, params->ssid_len); if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) goto fail; os_memcpy(drv->ssid, params->ssid, params->ssid_len); drv->ssid_len = params->ssid_len; wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled); wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d", params->freq.sec_channel_offset); wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled); wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1); wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2); wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth); if (nl80211_put_freq_params(msg, ¶ms->freq) < 0) goto fail; if (params->beacon_int > 0) { wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int); if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int)) goto fail; } ret = nl80211_set_conn_keys(params, msg); if (ret) goto fail; if (params->bssid && params->fixed_bssid) { wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, MAC2STR(params->bssid)); if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) goto fail; } if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || params->key_mgmt_suite == WPA_KEY_MGMT_PSK || params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256) { wpa_printf(MSG_DEBUG, " * control port"); if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT)) goto fail; } if (params->wpa_ie) { wpa_hexdump(MSG_DEBUG, " * Extra IEs for Beacon/Probe Response frames", params->wpa_ie, params->wpa_ie_len); if (nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie)) goto fail; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)", ret, strerror(-ret)); count++; if (ret == -EALREADY && count == 1) { wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after " "forced leave"); nl80211_leave_ibss(drv); nlmsg_free(msg); goto retry; } } else { wpa_printf(MSG_DEBUG, "nl80211: Join IBSS request sent successfully"); } fail: nlmsg_free(msg); return ret; } static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params, struct nl_msg *msg) { if (params->bssid) { wpa_printf(MSG_DEBUG, " * bssid=" MACSTR, MAC2STR(params->bssid)); if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid)) return -1; } if (params->bssid_hint) { wpa_printf(MSG_DEBUG, " * bssid_hint=" MACSTR, MAC2STR(params->bssid_hint)); if (nla_put(msg, NL80211_ATTR_MAC_HINT, ETH_ALEN, params->bssid_hint)) return -1; } if (params->freq.freq) { wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq); if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq.freq)) return -1; drv->assoc_freq = params->freq.freq; } else drv->assoc_freq = 0; if (params->freq_hint) { wpa_printf(MSG_DEBUG, " * freq_hint=%d", params->freq_hint); if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_HINT, params->freq_hint)) return -1; } if (params->bg_scan_period >= 0) { wpa_printf(MSG_DEBUG, " * bg scan period=%d", params->bg_scan_period); if (nla_put_u16(msg, NL80211_ATTR_BG_SCAN_PERIOD, params->bg_scan_period)) return -1; } if (params->ssid) { wpa_hexdump_ascii(MSG_DEBUG, " * SSID", params->ssid, params->ssid_len); if (nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid)) return -1; if (params->ssid_len > sizeof(drv->ssid)) return -1; os_memcpy(drv->ssid, params->ssid, params->ssid_len); drv->ssid_len = params->ssid_len; } wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len); if (params->wpa_ie && nla_put(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie)) return -1; if (params->wpa_proto) { enum nl80211_wpa_versions ver = 0; if (params->wpa_proto & WPA_PROTO_WPA) ver |= NL80211_WPA_VERSION_1; if (params->wpa_proto & WPA_PROTO_RSN) ver |= NL80211_WPA_VERSION_2; wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); if (nla_put_u32(msg, NL80211_ATTR_WPA_VERSIONS, ver)) return -1; } if (params->pairwise_suite != WPA_CIPHER_NONE) { u32 cipher = wpa_cipher_to_cipher_suite(params->pairwise_suite); wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher)) return -1; } if (params->group_suite == WPA_CIPHER_GTK_NOT_USED && !(drv->capa.enc & WPA_DRIVER_CAPA_ENC_GTK_NOT_USED)) { /* * This is likely to work even though many drivers do not * advertise support for operations without GTK. */ wpa_printf(MSG_DEBUG, " * skip group cipher configuration for GTK_NOT_USED due to missing driver support advertisement"); } else if (params->group_suite != WPA_CIPHER_NONE) { u32 cipher = wpa_cipher_to_cipher_suite(params->group_suite); wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); if (nla_put_u32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher)) return -1; } if (params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X || params->key_mgmt_suite == WPA_KEY_MGMT_PSK || params->key_mgmt_suite == WPA_KEY_MGMT_FT_IEEE8021X || params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK || params->key_mgmt_suite == WPA_KEY_MGMT_CCKM || params->key_mgmt_suite == WPA_KEY_MGMT_OSEN || params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SHA256 || params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_SUITE_B) { int mgmt = WLAN_AKM_SUITE_PSK; switch (params->key_mgmt_suite) { case WPA_KEY_MGMT_CCKM: mgmt = WLAN_AKM_SUITE_CCKM; break; case WPA_KEY_MGMT_IEEE8021X: mgmt = WLAN_AKM_SUITE_8021X; break; case WPA_KEY_MGMT_FT_IEEE8021X: mgmt = WLAN_AKM_SUITE_FT_8021X; break; case WPA_KEY_MGMT_FT_PSK: mgmt = WLAN_AKM_SUITE_FT_PSK; break; case WPA_KEY_MGMT_IEEE8021X_SHA256: mgmt = WLAN_AKM_SUITE_8021X_SHA256; break; case WPA_KEY_MGMT_PSK_SHA256: mgmt = WLAN_AKM_SUITE_PSK_SHA256; break; case WPA_KEY_MGMT_OSEN: mgmt = WLAN_AKM_SUITE_OSEN; break; case WPA_KEY_MGMT_IEEE8021X_SUITE_B: mgmt = WLAN_AKM_SUITE_8021X_SUITE_B; break; case WPA_KEY_MGMT_PSK: default: mgmt = WLAN_AKM_SUITE_PSK; break; } wpa_printf(MSG_DEBUG, " * akm=0x%x", mgmt); if (nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, mgmt)) return -1; } if (nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT)) return -1; if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED && nla_put_u32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED)) return -1; if (params->rrm_used) { u32 drv_rrm_flags = drv->capa.rrm_flags; if (!(drv_rrm_flags & WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES) || !(drv_rrm_flags & WPA_DRIVER_FLAGS_QUIET) || nla_put_flag(msg, NL80211_ATTR_USE_RRM)) return -1; } if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT)) return -1; if (params->htcaps && params->htcaps_mask) { int sz = sizeof(struct ieee80211_ht_capabilities); wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz); wpa_hexdump(MSG_DEBUG, " * htcaps_mask", params->htcaps_mask, sz); if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps) || nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, params->htcaps_mask)) return -1; } #ifdef CONFIG_VHT_OVERRIDES if (params->disable_vht) { wpa_printf(MSG_DEBUG, " * VHT disabled"); if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT)) return -1; } if (params->vhtcaps && params->vhtcaps_mask) { int sz = sizeof(struct ieee80211_vht_capabilities); wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz); wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask", params->vhtcaps_mask, sz); if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz, params->vhtcaps) || nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz, params->vhtcaps_mask)) return -1; } #endif /* CONFIG_VHT_OVERRIDES */ if (params->p2p) wpa_printf(MSG_DEBUG, " * P2P group"); return 0; } static int wpa_driver_nl80211_try_connect( struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params) { struct nl_msg *msg; enum nl80211_auth_type type; int ret; int algs; if (params->req_key_mgmt_offload && params->psk && (params->key_mgmt_suite == WPA_KEY_MGMT_PSK || params->key_mgmt_suite == WPA_KEY_MGMT_PSK_SHA256 || params->key_mgmt_suite == WPA_KEY_MGMT_FT_PSK)) { wpa_printf(MSG_DEBUG, "nl80211: Key management set PSK"); ret = issue_key_mgmt_set_key(drv, params->psk, 32); if (ret) return ret; } wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); msg = nl80211_drv_msg(drv, 0, NL80211_CMD_CONNECT); if (!msg) return -1; ret = nl80211_connect_common(drv, params, msg); if (ret) goto fail; algs = 0; if (params->auth_alg & WPA_AUTH_ALG_OPEN) algs++; if (params->auth_alg & WPA_AUTH_ALG_SHARED) algs++; if (params->auth_alg & WPA_AUTH_ALG_LEAP) algs++; if (algs > 1) { wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " "selection"); goto skip_auth_type; } if (params->auth_alg & WPA_AUTH_ALG_OPEN) type = NL80211_AUTHTYPE_OPEN_SYSTEM; else if (params->auth_alg & WPA_AUTH_ALG_SHARED) type = NL80211_AUTHTYPE_SHARED_KEY; else if (params->auth_alg & WPA_AUTH_ALG_LEAP) type = NL80211_AUTHTYPE_NETWORK_EAP; else if (params->auth_alg & WPA_AUTH_ALG_FT) type = NL80211_AUTHTYPE_FT; else goto fail; wpa_printf(MSG_DEBUG, " * Auth Type %d", type); if (nla_put_u32(msg, NL80211_ATTR_AUTH_TYPE, type)) goto fail; skip_auth_type: ret = nl80211_set_conn_keys(params, msg); if (ret) goto fail; ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d " "(%s)", ret, strerror(-ret)); } else { wpa_printf(MSG_DEBUG, "nl80211: Connect request send successfully"); } fail: nlmsg_free(msg); return ret; } static int wpa_driver_nl80211_connect( struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params) { int ret; /* Store the connection attempted bssid for future use */ if (params->bssid) os_memcpy(drv->auth_attempt_bssid, params->bssid, ETH_ALEN); else os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN); ret = wpa_driver_nl80211_try_connect(drv, params); if (ret == -EALREADY) { /* * cfg80211 does not currently accept new connections if * we are already connected. As a workaround, force * disconnection and try again. */ wpa_printf(MSG_DEBUG, "nl80211: Explicitly " "disconnecting before reassociation " "attempt"); if (wpa_driver_nl80211_disconnect( drv, WLAN_REASON_PREV_AUTH_NOT_VALID)) return -1; ret = wpa_driver_nl80211_try_connect(drv, params); } return ret; } static int wpa_driver_nl80211_associate( void *priv, struct wpa_driver_associate_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int ret = -1; struct nl_msg *msg; nl80211_unmask_11b_rates(bss); if (params->mode == IEEE80211_MODE_AP) return wpa_driver_nl80211_ap(drv, params); if (params->mode == IEEE80211_MODE_IBSS) return wpa_driver_nl80211_ibss(drv, params); if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { enum nl80211_iftype nlmode = params->p2p ? NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) return -1; return wpa_driver_nl80211_connect(drv, params); } nl80211_mark_disconnected(drv); wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", drv->ifindex); msg = nl80211_drv_msg(drv, 0, NL80211_CMD_ASSOCIATE); if (!msg) return -1; ret = nl80211_connect_common(drv, params, msg); if (ret) goto fail; if (params->prev_bssid) { wpa_printf(MSG_DEBUG, " * prev_bssid=" MACSTR, MAC2STR(params->prev_bssid)); if (nla_put(msg, NL80211_ATTR_PREV_BSSID, ETH_ALEN, params->prev_bssid)) goto fail; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: MLME command failed (assoc): ret=%d (%s)", ret, strerror(-ret)); nl80211_dump_scan(drv); } else { wpa_printf(MSG_DEBUG, "nl80211: Association request send successfully"); } fail: nlmsg_free(msg); return ret; } static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, int ifindex, enum nl80211_iftype mode) { struct nl_msg *msg; int ret = -ENOBUFS; wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", ifindex, mode, nl80211_iftype_str(mode)); msg = nl80211_cmd_msg(drv->first_bss, 0, NL80211_CMD_SET_INTERFACE); if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode)) goto fail; ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (!ret) return 0; fail: nlmsg_free(msg); wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" " %d (%s)", ifindex, mode, ret, strerror(-ret)); return ret; } static int wpa_driver_nl80211_set_mode_impl( struct i802_bss *bss, enum nl80211_iftype nlmode, struct hostapd_freq_params *desired_freq_params) { struct wpa_driver_nl80211_data *drv = bss->drv; int ret = -1; int i; int was_ap = is_ap_interface(drv->nlmode); int res; int mode_switch_res; mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); if (mode_switch_res && nlmode == nl80211_get_ifmode(bss)) mode_switch_res = 0; if (mode_switch_res == 0) { drv->nlmode = nlmode; ret = 0; goto done; } if (mode_switch_res == -ENODEV) return -1; if (nlmode == drv->nlmode) { wpa_printf(MSG_DEBUG, "nl80211: Interface already in " "requested mode - ignore error"); ret = 0; goto done; /* Already in the requested mode */ } /* mac80211 doesn't allow mode changes while the device is up, so * take the device down, try to set the mode again, and bring the * device back up. */ wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " "interface down"); for (i = 0; i < 10; i++) { res = i802_set_iface_flags(bss, 0); if (res == -EACCES || res == -ENODEV) break; if (res != 0) { wpa_printf(MSG_DEBUG, "nl80211: Failed to set " "interface down"); os_sleep(0, 100000); continue; } /* * Setting the mode will fail for some drivers if the phy is * on a frequency that the mode is disallowed in. */ if (desired_freq_params) { res = nl80211_set_channel(bss, desired_freq_params, 0); if (res) { wpa_printf(MSG_DEBUG, "nl80211: Failed to set frequency on interface"); } } /* Try to set the mode again while the interface is down */ mode_switch_res = nl80211_set_mode(drv, drv->ifindex, nlmode); if (mode_switch_res == -EBUSY) { wpa_printf(MSG_DEBUG, "nl80211: Delaying mode set while interface going down"); os_sleep(0, 100000); continue; } ret = mode_switch_res; break; } if (!ret) { wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " "interface is down"); drv->nlmode = nlmode; drv->ignore_if_down_event = 1; } /* Bring the interface back up */ res = linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1); if (res != 0) { wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up after switching mode"); ret = -1; } done: if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " "from %d failed", nlmode, drv->nlmode); return ret; } if (is_p2p_net_interface(nlmode)) { wpa_printf(MSG_DEBUG, "nl80211: Interface %s mode change to P2P - disable 11b rates", bss->ifname); nl80211_disable_11b_rates(drv, drv->ifindex, 1); } else if (drv->disabled_11b_rates) { wpa_printf(MSG_DEBUG, "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates", bss->ifname); nl80211_disable_11b_rates(drv, drv->ifindex, 0); } if (is_ap_interface(nlmode)) { nl80211_mgmt_unsubscribe(bss, "start AP"); /* Setup additional AP mode functionality if needed */ if (nl80211_setup_ap(bss)) return -1; } else if (was_ap) { /* Remove additional AP mode functionality */ nl80211_teardown_ap(bss); } else { nl80211_mgmt_unsubscribe(bss, "mode change"); } if (is_mesh_interface(nlmode) && nl80211_mgmt_subscribe_mesh(bss)) return -1; if (!bss->in_deinit && !is_ap_interface(nlmode) && !is_mesh_interface(nlmode) && nl80211_mgmt_subscribe_non_ap(bss) < 0) wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " "frame processing - ignore for now"); return 0; } int wpa_driver_nl80211_set_mode(struct i802_bss *bss, enum nl80211_iftype nlmode) { return wpa_driver_nl80211_set_mode_impl(bss, nlmode, NULL); } static int wpa_driver_nl80211_set_mode_ibss(struct i802_bss *bss, struct hostapd_freq_params *freq) { return wpa_driver_nl80211_set_mode_impl(bss, NL80211_IFTYPE_ADHOC, freq); } static int wpa_driver_nl80211_get_capa(void *priv, struct wpa_driver_capa *capa) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (!drv->has_capability) return -1; os_memcpy(capa, &drv->capa, sizeof(*capa)); if (drv->extended_capa && drv->extended_capa_mask) { capa->extended_capa = drv->extended_capa; capa->extended_capa_mask = drv->extended_capa_mask; capa->extended_capa_len = drv->extended_capa_len; } return 0; } static int wpa_driver_nl80211_set_operstate(void *priv, int state) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; wpa_printf(MSG_DEBUG, "nl80211: Set %s operstate %d->%d (%s)", bss->ifname, drv->operstate, state, state ? "UP" : "DORMANT"); drv->operstate = state; return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, state ? IF_OPER_UP : IF_OPER_DORMANT); } static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nl80211_sta_flag_update upd; int ret; if (!drv->associated && is_zero_ether_addr(drv->bssid) && !authorized) { wpa_printf(MSG_DEBUG, "nl80211: Skip set_supp_port(unauthorized) while not associated"); return 0; } wpa_printf(MSG_DEBUG, "nl80211: Set supplicant port %sauthorized for " MACSTR, authorized ? "" : "un", MAC2STR(drv->bssid)); os_memset(&upd, 0, sizeof(upd)); upd.mask = BIT(NL80211_STA_FLAG_AUTHORIZED); if (authorized) upd.set = BIT(NL80211_STA_FLAG_AUTHORIZED); if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid) || nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (!ret) return 0; wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)", ret, strerror(-ret)); return ret; } /* Set kernel driver on given frequency (MHz) */ static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) { struct i802_bss *bss = priv; return nl80211_set_channel(bss, freq, 0); } static inline int min_int(int a, int b) { if (a < b) return a; return b; } static int get_key_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); /* * TODO: validate the key index and mac address! * Otherwise, there's a race condition as soon as * the kernel starts sending key notifications. */ if (tb[NL80211_ATTR_KEY_SEQ]) memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]), min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6)); return NL_SKIP; } static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, int idx, u8 *seq) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; msg = nl80211_ifindex_msg(drv, if_nametoindex(iface), 0, NL80211_CMD_GET_KEY); if (!msg || (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || nla_put_u8(msg, NL80211_ATTR_KEY_IDX, idx)) { nlmsg_free(msg); return -ENOBUFS; } memset(seq, 0, 6); return send_and_recv_msgs(drv, msg, get_key_handler, seq); } static int i802_set_rts(void *priv, int rts) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; u32 val; if (rts >= 2347) val = (u32) -1; else val = rts; if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) || nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (!ret) return 0; wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " "%d (%s)", rts, ret, strerror(-ret)); return ret; } static int i802_set_frag(void *priv, int frag) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; u32 val; if (frag >= 2346) val = (u32) -1; else val = frag; if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WIPHY)) || nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (!ret) return 0; wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " "%d: %d (%s)", frag, ret, strerror(-ret)); return ret; } static int i802_flush(void *priv) { struct i802_bss *bss = priv; struct nl_msg *msg; int res; wpa_printf(MSG_DEBUG, "nl80211: flush -> DEL_STATION %s (all)", bss->ifname); /* * XXX: FIX! this needs to flush all VLANs too */ msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION); res = send_and_recv_msgs(bss->drv, msg, NULL, NULL); if (res) { wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " "(%s)", res, strerror(-res)); } return res; } static int get_sta_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct hostap_sta_driver_data *data = arg; struct nlattr *stats[NL80211_STA_INFO_MAX + 1]; static struct nla_policy stats_policy[NL80211_STA_INFO_MAX + 1] = { [NL80211_STA_INFO_INACTIVE_TIME] = { .type = NLA_U32 }, [NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 }, [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, }; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); /* * TODO: validate the interface and mac address! * Otherwise, there's a race condition as soon as * the kernel starts sending station notifications. */ if (!tb[NL80211_ATTR_STA_INFO]) { wpa_printf(MSG_DEBUG, "sta stats missing!"); return NL_SKIP; } if (nla_parse_nested(stats, NL80211_STA_INFO_MAX, tb[NL80211_ATTR_STA_INFO], stats_policy)) { wpa_printf(MSG_DEBUG, "failed to parse nested attributes!"); return NL_SKIP; } if (stats[NL80211_STA_INFO_INACTIVE_TIME]) data->inactive_msec = nla_get_u32(stats[NL80211_STA_INFO_INACTIVE_TIME]); if (stats[NL80211_STA_INFO_RX_BYTES]) data->rx_bytes = nla_get_u32(stats[NL80211_STA_INFO_RX_BYTES]); if (stats[NL80211_STA_INFO_TX_BYTES]) data->tx_bytes = nla_get_u32(stats[NL80211_STA_INFO_TX_BYTES]); if (stats[NL80211_STA_INFO_RX_PACKETS]) data->rx_packets = nla_get_u32(stats[NL80211_STA_INFO_RX_PACKETS]); if (stats[NL80211_STA_INFO_TX_PACKETS]) data->tx_packets = nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); if (stats[NL80211_STA_INFO_TX_FAILED]) data->tx_retry_failed = nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); return NL_SKIP; } static int i802_read_sta_data(struct i802_bss *bss, struct hostap_sta_driver_data *data, const u8 *addr) { struct nl_msg *msg; os_memset(data, 0, sizeof(*data)); if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_GET_STATION)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { nlmsg_free(msg); return -ENOBUFS; } return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data); } static int i802_set_tx_queue_params(void *priv, int queue, int aifs, int cw_min, int cw_max, int burst_time) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *txq, *params; msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_WIPHY); if (!msg) return -1; txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS); if (!txq) goto fail; /* We are only sending parameters for a single TXQ at a time */ params = nla_nest_start(msg, 1); if (!params) goto fail; switch (queue) { case 0: if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO)) goto fail; break; case 1: if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI)) goto fail; break; case 2: if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE)) goto fail; break; case 3: if (nla_put_u8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK)) goto fail; break; } /* Burst time is configured in units of 0.1 msec and TXOP parameter in * 32 usec, so need to convert the value here. */ if (nla_put_u16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32) || nla_put_u16(msg, NL80211_TXQ_ATTR_CWMIN, cw_min) || nla_put_u16(msg, NL80211_TXQ_ATTR_CWMAX, cw_max) || nla_put_u8(msg, NL80211_TXQ_ATTR_AIFS, aifs)) goto fail; nla_nest_end(msg, params); nla_nest_end(msg, txq); if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) return 0; msg = NULL; fail: nlmsg_free(msg); return -1; } static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr, const char *ifname, int vlan_id) { struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: %s[%d]: set_sta_vlan(" MACSTR ", ifname=%s[%d], vlan_id=%d)", bss->ifname, if_nametoindex(bss->ifname), MAC2STR(addr), ifname, if_nametoindex(ifname), vlan_id); if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_STATION)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || nla_put_u32(msg, NL80211_ATTR_STA_VLAN, if_nametoindex(ifname))) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret < 0) { wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", MAC2STR(addr), ifname, vlan_id, ret, strerror(-ret)); } return ret; } static int i802_get_inact_sec(void *priv, const u8 *addr) { struct hostap_sta_driver_data data; int ret; data.inactive_msec = (unsigned long) -1; ret = i802_read_sta_data(priv, &data, addr); if (ret || data.inactive_msec == (unsigned long) -1) return -1; return data.inactive_msec / 1000; } static int i802_sta_clear_stats(void *priv, const u8 *addr) { #if 0 /* TODO */ #endif return 0; } static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_mgmt mgmt; if (is_mesh_interface(drv->nlmode)) return -1; if (drv->device_ap_sme) return wpa_driver_nl80211_sta_remove(bss, addr, 1, reason); memset(&mgmt, 0, sizeof(mgmt)); mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DEAUTH); memcpy(mgmt.da, addr, ETH_ALEN); memcpy(mgmt.sa, own_addr, ETH_ALEN); memcpy(mgmt.bssid, own_addr, ETH_ALEN); mgmt.u.deauth.reason_code = host_to_le16(reason); return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, IEEE80211_HDRLEN + sizeof(mgmt.u.deauth), 0, 0, 0, 0, 0); } static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, int reason) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_mgmt mgmt; if (is_mesh_interface(drv->nlmode)) return -1; if (drv->device_ap_sme) return wpa_driver_nl80211_sta_remove(bss, addr, 0, reason); memset(&mgmt, 0, sizeof(mgmt)); mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DISASSOC); memcpy(mgmt.da, addr, ETH_ALEN); memcpy(mgmt.sa, own_addr, ETH_ALEN); memcpy(mgmt.bssid, own_addr, ETH_ALEN); mgmt.u.disassoc.reason_code = host_to_le16(reason); return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, IEEE80211_HDRLEN + sizeof(mgmt.u.disassoc), 0, 0, 0, 0, 0); } static void dump_ifidx(struct wpa_driver_nl80211_data *drv) { char buf[200], *pos, *end; int i, res; pos = buf; end = pos + sizeof(buf); for (i = 0; i < drv->num_if_indices; i++) { if (!drv->if_indices[i]) continue; res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]); if (os_snprintf_error(end - pos, res)) break; pos += res; } *pos = '\0'; wpa_printf(MSG_DEBUG, "nl80211: if_indices[%d]:%s", drv->num_if_indices, buf); } static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) { int i; int *old; wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d", ifidx); if (have_ifidx(drv, ifidx)) { wpa_printf(MSG_DEBUG, "nl80211: ifindex %d already in the list", ifidx); return; } for (i = 0; i < drv->num_if_indices; i++) { if (drv->if_indices[i] == 0) { drv->if_indices[i] = ifidx; dump_ifidx(drv); return; } } if (drv->if_indices != drv->default_if_indices) old = drv->if_indices; else old = NULL; drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, sizeof(int)); if (!drv->if_indices) { if (!old) drv->if_indices = drv->default_if_indices; else drv->if_indices = old; wpa_printf(MSG_ERROR, "Failed to reallocate memory for " "interfaces"); wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); return; } else if (!old) os_memcpy(drv->if_indices, drv->default_if_indices, sizeof(drv->default_if_indices)); drv->if_indices[drv->num_if_indices] = ifidx; drv->num_if_indices++; dump_ifidx(drv); } static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) { int i; for (i = 0; i < drv->num_if_indices; i++) { if (drv->if_indices[i] == ifidx) { drv->if_indices[i] = 0; break; } } dump_ifidx(drv); } static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) { int i; for (i = 0; i < drv->num_if_indices; i++) if (drv->if_indices[i] == ifidx) return 1; return 0; } static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, const char *bridge_ifname, char *ifname_wds) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; char name[IFNAMSIZ + 1]; os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); if (ifname_wds) os_strlcpy(ifname_wds, name, IFNAMSIZ + 1); wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); if (val) { if (!if_nametoindex(name)) { if (nl80211_create_iface(drv, name, NL80211_IFTYPE_AP_VLAN, bss->addr, 1, NULL, NULL, 0) < 0) return -1; if (bridge_ifname && linux_br_add_if(drv->global->ioctl_sock, bridge_ifname, name) < 0) return -1; } if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " "interface %s up", name); } return i802_set_sta_vlan(priv, addr, name, 0); } else { if (bridge_ifname) linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, name); i802_set_sta_vlan(priv, addr, bss->ifname, 0); nl80211_remove_iface(drv, if_nametoindex(name)); return 0; } } static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) { struct wpa_driver_nl80211_data *drv = eloop_ctx; struct sockaddr_ll lladdr; unsigned char buf[3000]; int len; socklen_t fromlen = sizeof(lladdr); len = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *)&lladdr, &fromlen); if (len < 0) { wpa_printf(MSG_ERROR, "nl80211: EAPOL recv failed: %s", strerror(errno)); return; } if (have_ifidx(drv, lladdr.sll_ifindex)) drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); } static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, struct i802_bss *bss, const char *brname, const char *ifname) { int br_ifindex; char in_br[IFNAMSIZ]; os_strlcpy(bss->brname, brname, IFNAMSIZ); br_ifindex = if_nametoindex(brname); if (br_ifindex == 0) { /* * Bridge was configured, but the bridge device does * not exist. Try to add it now. */ if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to add the " "bridge interface %s: %s", brname, strerror(errno)); return -1; } bss->added_bridge = 1; br_ifindex = if_nametoindex(brname); add_ifidx(drv, br_ifindex); } bss->br_ifindex = br_ifindex; if (linux_br_get(in_br, ifname) == 0) { if (os_strcmp(in_br, brname) == 0) return 0; /* already in the bridge */ wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " "bridge %s", ifname, in_br); if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to " "remove interface %s from bridge " "%s: %s", ifname, brname, strerror(errno)); return -1; } } wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", ifname, brname); if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s " "into bridge %s: %s", ifname, brname, strerror(errno)); return -1; } bss->added_if_into_bridge = 1; return 0; } static void *i802_init(struct hostapd_data *hapd, struct wpa_init_params *params) { struct wpa_driver_nl80211_data *drv; struct i802_bss *bss; size_t i; char brname[IFNAMSIZ]; int ifindex, br_ifindex; int br_added = 0; bss = wpa_driver_nl80211_drv_init(hapd, params->ifname, params->global_priv, 1, params->bssid, params->driver_params); if (bss == NULL) return NULL; drv = bss->drv; if (linux_br_get(brname, params->ifname) == 0) { wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", params->ifname, brname); br_ifindex = if_nametoindex(brname); os_strlcpy(bss->brname, brname, IFNAMSIZ); } else { brname[0] = '\0'; br_ifindex = 0; } bss->br_ifindex = br_ifindex; for (i = 0; i < params->num_bridge; i++) { if (params->bridge[i]) { ifindex = if_nametoindex(params->bridge[i]); if (ifindex) add_ifidx(drv, ifindex); if (ifindex == br_ifindex) br_added = 1; } } if (!br_added && br_ifindex && (params->num_bridge == 0 || !params->bridge[0])) add_ifidx(drv, br_ifindex); /* start listening for EAPOL on the default AP interface */ add_ifidx(drv, drv->ifindex); if (params->num_bridge && params->bridge[0] && i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0) goto failed; #ifdef CONFIG_LIBNL3_ROUTE if (bss->added_if_into_bridge) { drv->rtnl_sk = nl_socket_alloc(); if (drv->rtnl_sk == NULL) { wpa_printf(MSG_ERROR, "nl80211: Failed to allocate nl_sock"); goto failed; } if (nl_connect(drv->rtnl_sk, NETLINK_ROUTE)) { wpa_printf(MSG_ERROR, "nl80211: Failed to connect nl_sock to NETLINK_ROUTE: %s", strerror(errno)); goto failed; } } #endif /* CONFIG_LIBNL3_ROUTE */ drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); if (drv->eapol_sock < 0) { wpa_printf(MSG_ERROR, "nl80211: socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE) failed: %s", strerror(errno)); goto failed; } if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL)) { wpa_printf(MSG_INFO, "nl80211: Could not register read socket for eapol"); goto failed; } if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, params->own_addr)) goto failed; os_memcpy(drv->perm_addr, params->own_addr, ETH_ALEN); memcpy(bss->addr, params->own_addr, ETH_ALEN); return bss; failed: wpa_driver_nl80211_deinit(bss); return NULL; } static void i802_deinit(void *priv) { struct i802_bss *bss = priv; wpa_driver_nl80211_deinit(bss); } static enum nl80211_iftype wpa_driver_nl80211_if_type( enum wpa_driver_if_type type) { switch (type) { case WPA_IF_STATION: return NL80211_IFTYPE_STATION; case WPA_IF_P2P_CLIENT: case WPA_IF_P2P_GROUP: return NL80211_IFTYPE_P2P_CLIENT; case WPA_IF_AP_VLAN: return NL80211_IFTYPE_AP_VLAN; case WPA_IF_AP_BSS: return NL80211_IFTYPE_AP; case WPA_IF_P2P_GO: return NL80211_IFTYPE_P2P_GO; case WPA_IF_P2P_DEVICE: return NL80211_IFTYPE_P2P_DEVICE; case WPA_IF_MESH: return NL80211_IFTYPE_MESH_POINT; } return -1; } #if defined(CONFIG_P2P) || defined(CONFIG_MESH) static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) { struct wpa_driver_nl80211_data *drv; dl_list_for_each(drv, &global->interfaces, struct wpa_driver_nl80211_data, list) { if (os_memcmp(addr, drv->first_bss->addr, ETH_ALEN) == 0) return 1; } return 0; } static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr) { unsigned int idx; if (!drv->global) return -1; os_memcpy(new_addr, drv->first_bss->addr, ETH_ALEN); for (idx = 0; idx < 64; idx++) { new_addr[0] = drv->first_bss->addr[0] | 0x02; new_addr[0] ^= idx << 2; if (!nl80211_addr_in_use(drv->global, new_addr)) break; } if (idx == 64) return -1; wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address " MACSTR, MAC2STR(new_addr)); return 0; } #endif /* CONFIG_P2P || CONFIG_MESH */ struct wdev_info { u64 wdev_id; int wdev_id_set; u8 macaddr[ETH_ALEN]; }; static int nl80211_wdev_handler(struct nl_msg *msg, void *arg) { struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct wdev_info *wi = arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (tb[NL80211_ATTR_WDEV]) { wi->wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]); wi->wdev_id_set = 1; } if (tb[NL80211_ATTR_MAC]) os_memcpy(wi->macaddr, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); return NL_SKIP; } static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, const char *ifname, const u8 *addr, void *bss_ctx, void **drv_priv, char *force_ifname, u8 *if_addr, const char *bridge, int use_existing) { enum nl80211_iftype nlmode; struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int ifidx; int added = 1; if (addr) os_memcpy(if_addr, addr, ETH_ALEN); nlmode = wpa_driver_nl80211_if_type(type); if (nlmode == NL80211_IFTYPE_P2P_DEVICE) { struct wdev_info p2pdev_info; os_memset(&p2pdev_info, 0, sizeof(p2pdev_info)); ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, 0, nl80211_wdev_handler, &p2pdev_info, use_existing); if (!p2pdev_info.wdev_id_set || ifidx != 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to create a P2P Device interface %s", ifname); return -1; } drv->global->if_add_wdevid = p2pdev_info.wdev_id; drv->global->if_add_wdevid_set = p2pdev_info.wdev_id_set; if (!is_zero_ether_addr(p2pdev_info.macaddr)) os_memcpy(if_addr, p2pdev_info.macaddr, ETH_ALEN); wpa_printf(MSG_DEBUG, "nl80211: New P2P Device interface %s (0x%llx) created", ifname, (long long unsigned int) p2pdev_info.wdev_id); } else { ifidx = nl80211_create_iface(drv, ifname, nlmode, addr, 0, NULL, NULL, use_existing); if (use_existing && ifidx == -ENFILE) { added = 0; ifidx = if_nametoindex(ifname); } else if (ifidx < 0) { return -1; } } if (!addr) { if (drv->nlmode == NL80211_IFTYPE_P2P_DEVICE) os_memcpy(if_addr, bss->addr, ETH_ALEN); else if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, if_addr) < 0) { if (added) nl80211_remove_iface(drv, ifidx); return -1; } } #if defined(CONFIG_P2P) || defined(CONFIG_MESH) if (!addr && (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) { /* Enforce unique P2P Interface Address */ u8 new_addr[ETH_ALEN]; if (linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, new_addr) < 0) { if (added) nl80211_remove_iface(drv, ifidx); return -1; } if (nl80211_addr_in_use(drv->global, new_addr)) { wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " "for %s interface", type == WPA_IF_MESH ? "mesh" : "P2P group"); if (nl80211_vif_addr(drv, new_addr) < 0) { if (added) nl80211_remove_iface(drv, ifidx); return -1; } if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, new_addr) < 0) { if (added) nl80211_remove_iface(drv, ifidx); return -1; } } os_memcpy(if_addr, new_addr, ETH_ALEN); } #endif /* CONFIG_P2P || CONFIG_MESH */ if (type == WPA_IF_AP_BSS) { struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss)); if (new_bss == NULL) { if (added) nl80211_remove_iface(drv, ifidx); return -1; } if (bridge && i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " "interface %s to a bridge %s", ifname, bridge); if (added) nl80211_remove_iface(drv, ifidx); os_free(new_bss); return -1; } if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) { if (added) nl80211_remove_iface(drv, ifidx); os_free(new_bss); return -1; } os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); os_memcpy(new_bss->addr, if_addr, ETH_ALEN); new_bss->ifindex = ifidx; new_bss->drv = drv; new_bss->next = drv->first_bss->next; new_bss->freq = drv->first_bss->freq; new_bss->ctx = bss_ctx; new_bss->added_if = added; drv->first_bss->next = new_bss; if (drv_priv) *drv_priv = new_bss; nl80211_init_bss(new_bss); /* Subscribe management frames for this WPA_IF_AP_BSS */ if (nl80211_setup_ap(new_bss)) return -1; } if (drv->global) drv->global->if_add_ifindex = ifidx; /* * Some virtual interfaces need to process EAPOL packets and events on * the parent interface. This is used mainly with hostapd. */ if (ifidx > 0 && (drv->hostapd || nlmode == NL80211_IFTYPE_AP_VLAN || nlmode == NL80211_IFTYPE_WDS || nlmode == NL80211_IFTYPE_MONITOR)) add_ifidx(drv, ifidx); return 0; } static int wpa_driver_nl80211_if_remove(struct i802_bss *bss, enum wpa_driver_if_type type, const char *ifname) { struct wpa_driver_nl80211_data *drv = bss->drv; int ifindex = if_nametoindex(ifname); wpa_printf(MSG_DEBUG, "nl80211: %s(type=%d ifname=%s) ifindex=%d added_if=%d", __func__, type, ifname, ifindex, bss->added_if); if (ifindex > 0 && (bss->added_if || bss->ifindex != ifindex)) nl80211_remove_iface(drv, ifindex); else if (ifindex > 0 && !bss->added_if) { struct wpa_driver_nl80211_data *drv2; dl_list_for_each(drv2, &drv->global->interfaces, struct wpa_driver_nl80211_data, list) del_ifidx(drv2, ifindex); } if (type != WPA_IF_AP_BSS) return 0; if (bss->added_if_into_bridge) { if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, bss->ifname) < 0) wpa_printf(MSG_INFO, "nl80211: Failed to remove " "interface %s from bridge %s: %s", bss->ifname, bss->brname, strerror(errno)); } if (bss->added_bridge) { if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) wpa_printf(MSG_INFO, "nl80211: Failed to remove " "bridge %s: %s", bss->brname, strerror(errno)); } if (bss != drv->first_bss) { struct i802_bss *tbss; wpa_printf(MSG_DEBUG, "nl80211: Not the first BSS - remove it"); for (tbss = drv->first_bss; tbss; tbss = tbss->next) { if (tbss->next == bss) { tbss->next = bss->next; /* Unsubscribe management frames */ nl80211_teardown_ap(bss); nl80211_destroy_bss(bss); if (!bss->added_if) i802_set_iface_flags(bss, 0); os_free(bss); bss = NULL; break; } } if (bss) wpa_printf(MSG_INFO, "nl80211: %s - could not find " "BSS %p in the list", __func__, bss); } else { wpa_printf(MSG_DEBUG, "nl80211: First BSS - reassign context"); nl80211_teardown_ap(bss); if (!bss->added_if && !drv->first_bss->next) wpa_driver_nl80211_del_beacon(drv); nl80211_destroy_bss(bss); if (!bss->added_if) i802_set_iface_flags(bss, 0); if (drv->first_bss->next) { drv->first_bss = drv->first_bss->next; drv->ctx = drv->first_bss->ctx; os_free(bss); } else { wpa_printf(MSG_DEBUG, "nl80211: No second BSS to reassign context to"); } } return 0; } static int cookie_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); u64 *cookie = arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (tb[NL80211_ATTR_COOKIE]) *cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]); return NL_SKIP; } static int nl80211_send_frame_cmd(struct i802_bss *bss, unsigned int freq, unsigned int wait, const u8 *buf, size_t buf_len, u64 *cookie_out, int no_cck, int no_ack, int offchanok) { struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; u64 cookie; int ret = -1; wpa_printf(MSG_MSGDUMP, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " "no_ack=%d offchanok=%d", freq, wait, no_cck, no_ack, offchanok); wpa_hexdump(MSG_MSGDUMP, "CMD_FRAME", buf, buf_len); if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME)) || (freq && nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || (wait && nla_put_u32(msg, NL80211_ATTR_DURATION, wait)) || (offchanok && ((drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || drv->test_use_roc_tx) && nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) || (no_cck && nla_put_flag(msg, NL80211_ATTR_TX_NO_CCK_RATE)) || (no_ack && nla_put_flag(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK)) || nla_put(msg, NL80211_ATTR_FRAME, buf_len, buf)) goto fail; cookie = 0; ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); msg = NULL; if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " "(%s) (freq=%u wait=%u)", ret, strerror(-ret), freq, wait); } else { wpa_printf(MSG_MSGDUMP, "nl80211: Frame TX command accepted%s; " "cookie 0x%llx", no_ack ? " (no ACK)" : "", (long long unsigned int) cookie); if (cookie_out) *cookie_out = no_ack ? (u64) -1 : cookie; } fail: nlmsg_free(msg); return ret; } static int wpa_driver_nl80211_send_action(struct i802_bss *bss, unsigned int freq, unsigned int wait_time, const u8 *dst, const u8 *src, const u8 *bssid, const u8 *data, size_t data_len, int no_cck) { struct wpa_driver_nl80211_data *drv = bss->drv; int ret = -1; u8 *buf; struct ieee80211_hdr *hdr; wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " "freq=%u MHz wait=%d ms no_cck=%d)", drv->ifindex, freq, wait_time, no_cck); buf = os_zalloc(24 + data_len); if (buf == NULL) return ret; os_memcpy(buf + 24, data, data_len); hdr = (struct ieee80211_hdr *) buf; hdr->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION); os_memcpy(hdr->addr1, dst, ETH_ALEN); os_memcpy(hdr->addr2, src, ETH_ALEN); os_memcpy(hdr->addr3, bssid, ETH_ALEN); if (is_ap_interface(drv->nlmode) && (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX) || (int) freq == bss->freq || drv->device_ap_sme || !drv->use_monitor)) ret = wpa_driver_nl80211_send_mlme(bss, buf, 24 + data_len, 0, freq, no_cck, 1, wait_time); else ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, 24 + data_len, &drv->send_action_cookie, no_cck, 0, 1); os_free(buf); return ret; } static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: Cancel TX frame wait: cookie=0x%llx", (long long unsigned int) drv->send_action_cookie); if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_FRAME_WAIT_CANCEL)) || nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie)) { nlmsg_free(msg); return; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " "(%s)", ret, strerror(-ret)); } static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, unsigned int duration) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; u64 cookie; if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_REMAIN_ON_CHANNEL)) || nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) { nlmsg_free(msg); return -1; } cookie = 0; ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); if (ret == 0) { wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " "0x%llx for freq=%u MHz duration=%u", (long long unsigned int) cookie, freq, duration); drv->remain_on_chan_cookie = cookie; drv->pending_remain_on_chan = 1; return 0; } wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " "(freq=%d duration=%u): %d (%s)", freq, duration, ret, strerror(-ret)); return -1; } static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; if (!drv->pending_remain_on_chan) { wpa_printf(MSG_DEBUG, "nl80211: No pending remain-on-channel " "to cancel"); return -1; } wpa_printf(MSG_DEBUG, "nl80211: Cancel remain-on-channel with cookie " "0x%llx", (long long unsigned int) drv->remain_on_chan_cookie); msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); if (!msg || nla_put_u64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie)) { nlmsg_free(msg); return -1; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret == 0) return 0; wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " "%d (%s)", ret, strerror(-ret)); return -1; } static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss, int report) { struct wpa_driver_nl80211_data *drv = bss->drv; if (!report) { if (bss->nl_preq && drv->device_ap_sme && is_ap_interface(drv->nlmode) && !bss->in_deinit && !bss->static_ap) { /* * Do not disable Probe Request reporting that was * enabled in nl80211_setup_ap(). */ wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " "Probe Request reporting nl_preq=%p while " "in AP mode", bss->nl_preq); } else if (bss->nl_preq) { wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " "reporting nl_preq=%p", bss->nl_preq); nl80211_destroy_eloop_handle(&bss->nl_preq); } return 0; } if (bss->nl_preq) { wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " "already on! nl_preq=%p", bss->nl_preq); return 0; } bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); if (bss->nl_preq == NULL) return -1; wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " "reporting nl_preq=%p", bss->nl_preq); if (nl80211_register_frame(bss, bss->nl_preq, (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_PROBE_REQ << 4), NULL, 0) < 0) goto out_err; nl80211_register_eloop_read(&bss->nl_preq, wpa_driver_nl80211_event_receive, bss->nl_cb); return 0; out_err: nl_destroy_handles(&bss->nl_preq); return -1; } static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, int ifindex, int disabled) { struct nl_msg *msg; struct nlattr *bands, *band; int ret; wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)", ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" : "no NL80211_TXRATE_LEGACY constraint"); msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_TX_BITRATE_MASK); if (!msg) return -1; bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); if (!bands) goto fail; /* * Disable 2 GHz rates 1, 2, 5.5, 11 Mbps by masking out everything * else apart from 6, 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS * rates. All 5 GHz rates are left enabled. */ band = nla_nest_start(msg, NL80211_BAND_2GHZ); if (!band || (disabled && nla_put(msg, NL80211_TXRATE_LEGACY, 8, "\x0c\x12\x18\x24\x30\x48\x60\x6c"))) goto fail; nla_nest_end(msg, band); nla_nest_end(msg, bands); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " "(%s)", ret, strerror(-ret)); } else drv->disabled_11b_rates = disabled; return ret; fail: nlmsg_free(msg); return -1; } static int wpa_driver_nl80211_deinit_ap(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (!is_ap_interface(drv->nlmode)) return -1; wpa_driver_nl80211_del_beacon(drv); bss->beacon_set = 0; /* * If the P2P GO interface was dynamically added, then it is * possible that the interface change to station is not possible. */ if (drv->nlmode == NL80211_IFTYPE_P2P_GO && bss->if_dynamic) return 0; return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); } static int wpa_driver_nl80211_stop_ap(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (!is_ap_interface(drv->nlmode)) return -1; wpa_driver_nl80211_del_beacon(drv); bss->beacon_set = 0; return 0; } static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) return -1; /* * If the P2P Client interface was dynamically added, then it is * possible that the interface change to station is not possible. */ if (bss->if_dynamic) return 0; return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); } static void wpa_driver_nl80211_resume(void *priv) { struct i802_bss *bss = priv; if (i802_set_iface_flags(bss, 1)) wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on resume event"); } static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *cqm; wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " "hysteresis=%d", threshold, hysteresis); if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_CQM)) || !(cqm = nla_nest_start(msg, NL80211_ATTR_CQM)) || nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THOLD, threshold) || nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_HYST, hysteresis)) { nlmsg_free(msg); return -1; } nla_nest_end(msg, cqm); return send_and_recv_msgs(drv, msg, NULL, NULL); } static int get_channel_width(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct wpa_signal_info *sig_change = arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); sig_change->center_frq1 = -1; sig_change->center_frq2 = -1; sig_change->chanwidth = CHAN_WIDTH_UNKNOWN; if (tb[NL80211_ATTR_CHANNEL_WIDTH]) { sig_change->chanwidth = convert2width( nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); if (tb[NL80211_ATTR_CENTER_FREQ1]) sig_change->center_frq1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); if (tb[NL80211_ATTR_CENTER_FREQ2]) sig_change->center_frq2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); } return NL_SKIP; } static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv, struct wpa_signal_info *sig) { struct nl_msg *msg; msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE); return send_and_recv_msgs(drv, msg, get_channel_width, sig); } static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int res; os_memset(si, 0, sizeof(*si)); res = nl80211_get_link_signal(drv, si); if (res != 0) return res; res = nl80211_get_channel_width(drv, si); if (res != 0) return res; return nl80211_get_link_noise(drv, si); } static int wpa_driver_nl80211_shared_freq(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct wpa_driver_nl80211_data *driver; int freq = 0; /* * If the same PHY is in connected state with some other interface, * then retrieve the assoc freq. */ wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s", drv->phyname); dl_list_for_each(driver, &drv->global->interfaces, struct wpa_driver_nl80211_data, list) { if (drv == driver || os_strcmp(drv->phyname, driver->phyname) != 0 || !driver->associated) continue; wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s " MACSTR, driver->phyname, driver->first_bss->ifname, MAC2STR(driver->first_bss->addr)); if (is_ap_interface(driver->nlmode)) freq = driver->first_bss->freq; else freq = nl80211_get_assoc_freq(driver); wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d", drv->phyname, freq); } if (!freq) wpa_printf(MSG_DEBUG, "nl80211: No shared interface for " "PHY (%s) in associated state", drv->phyname); return freq; } static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len, int encrypt) { struct i802_bss *bss = priv; return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0, 0, 0, 0, 0); } static int nl80211_set_param(void *priv, const char *param) { wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); if (param == NULL) return 0; #ifdef CONFIG_P2P if (os_strstr(param, "use_p2p_group_interface=1")) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " "interface"); drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; } #endif /* CONFIG_P2P */ if (os_strstr(param, "use_monitor=1")) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; drv->use_monitor = 1; } if (os_strstr(param, "force_connect_cmd=1")) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; drv->capa.flags &= ~WPA_DRIVER_FLAGS_SME; drv->force_connect_cmd = 1; } if (os_strstr(param, "no_offchannel_tx=1")) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_TX; drv->test_use_roc_tx = 1; } return 0; } static void * nl80211_global_init(void) { struct nl80211_global *global; struct netlink_config *cfg; global = os_zalloc(sizeof(*global)); if (global == NULL) return NULL; global->ioctl_sock = -1; dl_list_init(&global->interfaces); global->if_add_ifindex = -1; cfg = os_zalloc(sizeof(*cfg)); if (cfg == NULL) goto err; cfg->ctx = global; cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; global->netlink = netlink_init(cfg); if (global->netlink == NULL) { os_free(cfg); goto err; } if (wpa_driver_nl80211_init_nl_global(global) < 0) goto err; global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); if (global->ioctl_sock < 0) { wpa_printf(MSG_ERROR, "nl80211: socket(PF_INET,SOCK_DGRAM) failed: %s", strerror(errno)); goto err; } return global; err: nl80211_global_deinit(global); return NULL; } static void nl80211_global_deinit(void *priv) { struct nl80211_global *global = priv; if (global == NULL) return; if (!dl_list_empty(&global->interfaces)) { wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " "nl80211_global_deinit", dl_list_len(&global->interfaces)); } if (global->netlink) netlink_deinit(global->netlink); nl_destroy_handles(&global->nl); if (global->nl_event) nl80211_destroy_eloop_handle(&global->nl_event); nl_cb_put(global->nl_cb); if (global->ioctl_sock >= 0) close(global->ioctl_sock); os_free(global); } static const char * nl80211_get_radio_name(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; return drv->phyname; } static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid, const u8 *pmkid) { struct nl_msg *msg; if (!(msg = nl80211_bss_msg(bss, 0, cmd)) || (pmkid && nla_put(msg, NL80211_ATTR_PMKID, 16, pmkid)) || (bssid && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid))) { nlmsg_free(msg); return -ENOBUFS; } return send_and_recv_msgs(bss->drv, msg, NULL, NULL); } static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) { struct i802_bss *bss = priv; wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid)); return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid); } static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) { struct i802_bss *bss = priv; wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, MAC2STR(bssid)); return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid); } static int nl80211_flush_pmkid(void *priv) { struct i802_bss *bss = priv; wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL); } static void clean_survey_results(struct survey_results *survey_results) { struct freq_survey *survey, *tmp; if (dl_list_empty(&survey_results->survey_list)) return; dl_list_for_each_safe(survey, tmp, &survey_results->survey_list, struct freq_survey, list) { dl_list_del(&survey->list); os_free(survey); } } static void add_survey(struct nlattr **sinfo, u32 ifidx, struct dl_list *survey_list) { struct freq_survey *survey; survey = os_zalloc(sizeof(struct freq_survey)); if (!survey) return; survey->ifidx = ifidx; survey->freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); survey->filled = 0; if (sinfo[NL80211_SURVEY_INFO_NOISE]) { survey->nf = (int8_t) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); survey->filled |= SURVEY_HAS_NF; } if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) { survey->channel_time = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]); survey->filled |= SURVEY_HAS_CHAN_TIME; } if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) { survey->channel_time_busy = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]); survey->filled |= SURVEY_HAS_CHAN_TIME_BUSY; } if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) { survey->channel_time_rx = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]); survey->filled |= SURVEY_HAS_CHAN_TIME_RX; } if (sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) { survey->channel_time_tx = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]); survey->filled |= SURVEY_HAS_CHAN_TIME_TX; } wpa_printf(MSG_DEBUG, "nl80211: Freq survey dump event (freq=%d MHz noise=%d channel_time=%ld busy_time=%ld tx_time=%ld rx_time=%ld filled=%04x)", survey->freq, survey->nf, (unsigned long int) survey->channel_time, (unsigned long int) survey->channel_time_busy, (unsigned long int) survey->channel_time_tx, (unsigned long int) survey->channel_time_rx, survey->filled); dl_list_add_tail(survey_list, &survey->list); } static int check_survey_ok(struct nlattr **sinfo, u32 surveyed_freq, unsigned int freq_filter) { if (!freq_filter) return 1; return freq_filter == surveyed_freq; } static int survey_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; struct survey_results *survey_results; u32 surveyed_freq = 0; u32 ifidx; static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, }; survey_results = (struct survey_results *) arg; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (!tb[NL80211_ATTR_IFINDEX]) return NL_SKIP; ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); if (!tb[NL80211_ATTR_SURVEY_INFO]) return NL_SKIP; if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, tb[NL80211_ATTR_SURVEY_INFO], survey_policy)) return NL_SKIP; if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) { wpa_printf(MSG_ERROR, "nl80211: Invalid survey data"); return NL_SKIP; } surveyed_freq = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]); if (!check_survey_ok(sinfo, surveyed_freq, survey_results->freq_filter)) return NL_SKIP; if (survey_results->freq_filter && survey_results->freq_filter != surveyed_freq) { wpa_printf(MSG_EXCESSIVE, "nl80211: Ignoring survey data for freq %d MHz", surveyed_freq); return NL_SKIP; } add_survey(sinfo, ifidx, &survey_results->survey_list); return NL_SKIP; } static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int err; union wpa_event_data data; struct survey_results *survey_results; os_memset(&data, 0, sizeof(data)); survey_results = &data.survey_results; dl_list_init(&survey_results->survey_list); msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); if (!msg) return -ENOBUFS; if (freq) data.survey_results.freq_filter = freq; do { wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data"); err = send_and_recv_msgs(drv, msg, survey_handler, survey_results); } while (err > 0); if (err) wpa_printf(MSG_ERROR, "nl80211: Failed to process survey data"); else wpa_supplicant_event(drv->ctx, EVENT_SURVEY, &data); clean_survey_results(survey_results); return err; } static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck, const u8 *replay_ctr) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nlattr *replay_nested; struct nl_msg *msg; if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) || !(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) || nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) || nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) || nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, replay_ctr)) { nlmsg_free(msg); return; } nla_nest_end(msg, replay_nested); send_and_recv_msgs(drv, msg, NULL, NULL); } static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, const u8 *addr, int qos) { /* send data frame to poll STA and check whether * this frame is ACKed */ struct { struct ieee80211_hdr hdr; u16 qos_ctl; } STRUCT_PACKED nulldata; size_t size; /* Send data frame to poll STA and check whether this frame is ACKed */ os_memset(&nulldata, 0, sizeof(nulldata)); if (qos) { nulldata.hdr.frame_control = IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_QOS_NULL); size = sizeof(nulldata); } else { nulldata.hdr.frame_control = IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_NULLFUNC); size = sizeof(struct ieee80211_hdr); } nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0, 0, 0, 0, 0) < 0) wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " "send poll frame"); } static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, int qos) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; if (!drv->poll_command_supported) { nl80211_send_null_frame(bss, own_addr, addr, qos); return; } if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_PROBE_CLIENT)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { nlmsg_free(msg); return; } send_and_recv_msgs(drv, msg, NULL, NULL); } static int nl80211_set_power_save(struct i802_bss *bss, int enabled) { struct nl_msg *msg; if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_POWER_SAVE)) || nla_put_u32(msg, NL80211_ATTR_PS_STATE, enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED)) { nlmsg_free(msg); return -ENOBUFS; } return send_and_recv_msgs(bss->drv, msg, NULL, NULL); } static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, int ctwindow) { struct i802_bss *bss = priv; wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); if (opp_ps != -1 || ctwindow != -1) { #ifdef ANDROID_P2P wpa_driver_set_p2p_ps(priv, legacy_ps, opp_ps, ctwindow); #else /* ANDROID_P2P */ return -1; /* Not yet supported */ #endif /* ANDROID_P2P */ } if (legacy_ps == -1) return 0; if (legacy_ps != 0 && legacy_ps != 1) return -1; /* Not yet supported */ return nl80211_set_power_save(bss, legacy_ps); } static int nl80211_start_radar_detection(void *priv, struct hostapd_freq_params *freq) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: Start radar detection (CAC) %d MHz (ht_enabled=%d, vht_enabled=%d, bandwidth=%d MHz, cf1=%d MHz, cf2=%d MHz)", freq->freq, freq->ht_enabled, freq->vht_enabled, freq->bandwidth, freq->center_freq1, freq->center_freq2); if (!(drv->capa.flags & WPA_DRIVER_FLAGS_RADAR)) { wpa_printf(MSG_DEBUG, "nl80211: Driver does not support radar " "detection"); return -1; } if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_RADAR_DETECT)) || nl80211_put_freq_params(msg, freq) < 0) { nlmsg_free(msg); return -1; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret == 0) return 0; wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: " "%d (%s)", ret, strerror(-ret)); return -1; } #ifdef CONFIG_TDLS static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capab, int initiator, const u8 *buf, size_t len) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) return -EOPNOTSUPP; if (!dst) return -EINVAL; if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_MGMT)) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || nla_put_u8(msg, NL80211_ATTR_TDLS_ACTION, action_code) || nla_put_u8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token) || nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, status_code)) goto fail; if (peer_capab) { /* * The internal enum tdls_peer_capability definition is * currently identical with the nl80211 enum * nl80211_tdls_peer_capability, so no conversion is needed * here. */ if (nla_put_u32(msg, NL80211_ATTR_TDLS_PEER_CAPABILITY, peer_capab)) goto fail; } if ((initiator && nla_put_flag(msg, NL80211_ATTR_TDLS_INITIATOR)) || nla_put(msg, NL80211_ATTR_IE, len, buf)) goto fail; return send_and_recv_msgs(drv, msg, NULL, NULL); fail: nlmsg_free(msg); return -ENOBUFS; } static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; enum nl80211_tdls_operation nl80211_oper; if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) return -EOPNOTSUPP; switch (oper) { case TDLS_DISCOVERY_REQ: nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; break; case TDLS_SETUP: nl80211_oper = NL80211_TDLS_SETUP; break; case TDLS_TEARDOWN: nl80211_oper = NL80211_TDLS_TEARDOWN; break; case TDLS_ENABLE_LINK: nl80211_oper = NL80211_TDLS_ENABLE_LINK; break; case TDLS_DISABLE_LINK: nl80211_oper = NL80211_TDLS_DISABLE_LINK; break; case TDLS_ENABLE: return 0; case TDLS_DISABLE: return 0; default: return -EINVAL; } if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_TDLS_OPER)) || nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) { nlmsg_free(msg); return -ENOBUFS; } return send_and_recv_msgs(drv, msg, NULL, NULL); } #endif /* CONFIG TDLS */ static int driver_nl80211_set_key(const char *ifname, void *priv, enum wpa_alg alg, const u8 *addr, int key_idx, int set_tx, const u8 *seq, size_t seq_len, const u8 *key, size_t key_len) { struct i802_bss *bss = priv; return wpa_driver_nl80211_set_key(ifname, bss, alg, addr, key_idx, set_tx, seq, seq_len, key, key_len); } static int driver_nl80211_scan2(void *priv, struct wpa_driver_scan_params *params) { struct i802_bss *bss = priv; return wpa_driver_nl80211_scan(bss, params); } static int driver_nl80211_deauthenticate(void *priv, const u8 *addr, int reason_code) { struct i802_bss *bss = priv; return wpa_driver_nl80211_deauthenticate(bss, addr, reason_code); } static int driver_nl80211_authenticate(void *priv, struct wpa_driver_auth_params *params) { struct i802_bss *bss = priv; return wpa_driver_nl80211_authenticate(bss, params); } static void driver_nl80211_deinit(void *priv) { struct i802_bss *bss = priv; wpa_driver_nl80211_deinit(bss); } static int driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, const char *ifname) { struct i802_bss *bss = priv; return wpa_driver_nl80211_if_remove(bss, type, ifname); } static int driver_nl80211_send_mlme(void *priv, const u8 *data, size_t data_len, int noack) { struct i802_bss *bss = priv; return wpa_driver_nl80211_send_mlme(bss, data, data_len, noack, 0, 0, 0, 0); } static int driver_nl80211_sta_remove(void *priv, const u8 *addr) { struct i802_bss *bss = priv; return wpa_driver_nl80211_sta_remove(bss, addr, -1, 0); } static int driver_nl80211_set_sta_vlan(void *priv, const u8 *addr, const char *ifname, int vlan_id) { struct i802_bss *bss = priv; return i802_set_sta_vlan(bss, addr, ifname, vlan_id); } static int driver_nl80211_read_sta_data(void *priv, struct hostap_sta_driver_data *data, const u8 *addr) { struct i802_bss *bss = priv; return i802_read_sta_data(bss, data, addr); } static int driver_nl80211_send_action(void *priv, unsigned int freq, unsigned int wait_time, const u8 *dst, const u8 *src, const u8 *bssid, const u8 *data, size_t data_len, int no_cck) { struct i802_bss *bss = priv; return wpa_driver_nl80211_send_action(bss, freq, wait_time, dst, src, bssid, data, data_len, no_cck); } static int driver_nl80211_probe_req_report(void *priv, int report) { struct i802_bss *bss = priv; return wpa_driver_nl80211_probe_req_report(bss, report); } static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md, const u8 *ies, size_t ies_len) { int ret; struct nl_msg *msg; struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; u16 mdid = WPA_GET_LE16(md); wpa_printf(MSG_DEBUG, "nl80211: Updating FT IEs"); if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_UPDATE_FT_IES)) || nla_put(msg, NL80211_ATTR_IE, ies_len, ies) || nla_put_u16(msg, NL80211_ATTR_MDID, mdid)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed " "err=%d (%s)", ret, strerror(-ret)); } return ret; } const u8 * wpa_driver_nl80211_get_macaddr(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (drv->nlmode != NL80211_IFTYPE_P2P_DEVICE) return NULL; return bss->addr; } static const char * scan_state_str(enum scan_states scan_state) { switch (scan_state) { case NO_SCAN: return "NO_SCAN"; case SCAN_REQUESTED: return "SCAN_REQUESTED"; case SCAN_STARTED: return "SCAN_STARTED"; case SCAN_COMPLETED: return "SCAN_COMPLETED"; case SCAN_ABORTED: return "SCAN_ABORTED"; case SCHED_SCAN_STARTED: return "SCHED_SCAN_STARTED"; case SCHED_SCAN_STOPPED: return "SCHED_SCAN_STOPPED"; case SCHED_SCAN_RESULTS: return "SCHED_SCAN_RESULTS"; } return "??"; } static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int res; char *pos, *end; pos = buf; end = buf + buflen; res = os_snprintf(pos, end - pos, "ifindex=%d\n" "ifname=%s\n" "brname=%s\n" "addr=" MACSTR "\n" "freq=%d\n" "%s%s%s%s%s", bss->ifindex, bss->ifname, bss->brname, MAC2STR(bss->addr), bss->freq, bss->beacon_set ? "beacon_set=1\n" : "", bss->added_if_into_bridge ? "added_if_into_bridge=1\n" : "", bss->added_bridge ? "added_bridge=1\n" : "", bss->in_deinit ? "in_deinit=1\n" : "", bss->if_dynamic ? "if_dynamic=1\n" : ""); if (os_snprintf_error(end - pos, res)) return pos - buf; pos += res; if (bss->wdev_id_set) { res = os_snprintf(pos, end - pos, "wdev_id=%llu\n", (unsigned long long) bss->wdev_id); if (os_snprintf_error(end - pos, res)) return pos - buf; pos += res; } res = os_snprintf(pos, end - pos, "phyname=%s\n" "perm_addr=" MACSTR "\n" "drv_ifindex=%d\n" "operstate=%d\n" "scan_state=%s\n" "auth_bssid=" MACSTR "\n" "auth_attempt_bssid=" MACSTR "\n" "bssid=" MACSTR "\n" "prev_bssid=" MACSTR "\n" "associated=%d\n" "assoc_freq=%u\n" "monitor_sock=%d\n" "monitor_ifidx=%d\n" "monitor_refcount=%d\n" "last_mgmt_freq=%u\n" "eapol_tx_sock=%d\n" "%s%s%s%s%s%s%s%s%s%s%s%s%s", drv->phyname, MAC2STR(drv->perm_addr), drv->ifindex, drv->operstate, scan_state_str(drv->scan_state), MAC2STR(drv->auth_bssid), MAC2STR(drv->auth_attempt_bssid), MAC2STR(drv->bssid), MAC2STR(drv->prev_bssid), drv->associated, drv->assoc_freq, drv->monitor_sock, drv->monitor_ifidx, drv->monitor_refcount, drv->last_mgmt_freq, drv->eapol_tx_sock, drv->ignore_if_down_event ? "ignore_if_down_event=1\n" : "", drv->scan_complete_events ? "scan_complete_events=1\n" : "", drv->disabled_11b_rates ? "disabled_11b_rates=1\n" : "", drv->pending_remain_on_chan ? "pending_remain_on_chan=1\n" : "", drv->in_interface_list ? "in_interface_list=1\n" : "", drv->device_ap_sme ? "device_ap_sme=1\n" : "", drv->poll_command_supported ? "poll_command_supported=1\n" : "", drv->data_tx_status ? "data_tx_status=1\n" : "", drv->scan_for_auth ? "scan_for_auth=1\n" : "", drv->retry_auth ? "retry_auth=1\n" : "", drv->use_monitor ? "use_monitor=1\n" : "", drv->ignore_next_local_disconnect ? "ignore_next_local_disconnect=1\n" : "", drv->ignore_next_local_deauth ? "ignore_next_local_deauth=1\n" : ""); if (os_snprintf_error(end - pos, res)) return pos - buf; pos += res; if (drv->has_capability) { res = os_snprintf(pos, end - pos, "capa.key_mgmt=0x%x\n" "capa.enc=0x%x\n" "capa.auth=0x%x\n" "capa.flags=0x%llx\n" "capa.rrm_flags=0x%x\n" "capa.max_scan_ssids=%d\n" "capa.max_sched_scan_ssids=%d\n" "capa.sched_scan_supported=%d\n" "capa.max_match_sets=%d\n" "capa.max_remain_on_chan=%u\n" "capa.max_stations=%u\n" "capa.probe_resp_offloads=0x%x\n" "capa.max_acl_mac_addrs=%u\n" "capa.num_multichan_concurrent=%u\n", drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth, (unsigned long long) drv->capa.flags, drv->capa.rrm_flags, drv->capa.max_scan_ssids, drv->capa.max_sched_scan_ssids, drv->capa.sched_scan_supported, drv->capa.max_match_sets, drv->capa.max_remain_on_chan, drv->capa.max_stations, drv->capa.probe_resp_offloads, drv->capa.max_acl_mac_addrs, drv->capa.num_multichan_concurrent); if (os_snprintf_error(end - pos, res)) return pos - buf; pos += res; } return pos - buf; } static int set_beacon_data(struct nl_msg *msg, struct beacon_data *settings) { if ((settings->head && nla_put(msg, NL80211_ATTR_BEACON_HEAD, settings->head_len, settings->head)) || (settings->tail && nla_put(msg, NL80211_ATTR_BEACON_TAIL, settings->tail_len, settings->tail)) || (settings->beacon_ies && nla_put(msg, NL80211_ATTR_IE, settings->beacon_ies_len, settings->beacon_ies)) || (settings->proberesp_ies && nla_put(msg, NL80211_ATTR_IE_PROBE_RESP, settings->proberesp_ies_len, settings->proberesp_ies)) || (settings->assocresp_ies && nla_put(msg, NL80211_ATTR_IE_ASSOC_RESP, settings->assocresp_ies_len, settings->assocresp_ies)) || (settings->probe_resp && nla_put(msg, NL80211_ATTR_PROBE_RESP, settings->probe_resp_len, settings->probe_resp))) return -ENOBUFS; return 0; } static int nl80211_switch_channel(void *priv, struct csa_settings *settings) { struct nl_msg *msg; struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nlattr *beacon_csa; int ret = -ENOBUFS; wpa_printf(MSG_DEBUG, "nl80211: Channel switch request (cs_count=%u block_tx=%u freq=%d width=%d cf1=%d cf2=%d)", settings->cs_count, settings->block_tx, settings->freq_params.freq, settings->freq_params.bandwidth, settings->freq_params.center_freq1, settings->freq_params.center_freq2); if (!(drv->capa.flags & WPA_DRIVER_FLAGS_AP_CSA)) { wpa_printf(MSG_DEBUG, "nl80211: Driver does not support channel switch command"); return -EOPNOTSUPP; } if ((drv->nlmode != NL80211_IFTYPE_AP) && (drv->nlmode != NL80211_IFTYPE_P2P_GO)) return -EOPNOTSUPP; /* check settings validity */ if (!settings->beacon_csa.tail || ((settings->beacon_csa.tail_len <= settings->counter_offset_beacon) || (settings->beacon_csa.tail[settings->counter_offset_beacon] != settings->cs_count))) return -EINVAL; if (settings->beacon_csa.probe_resp && ((settings->beacon_csa.probe_resp_len <= settings->counter_offset_presp) || (settings->beacon_csa.probe_resp[settings->counter_offset_presp] != settings->cs_count))) return -EINVAL; if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_CHANNEL_SWITCH)) || nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, settings->cs_count) || (ret = nl80211_put_freq_params(msg, &settings->freq_params)) || (settings->block_tx && nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX))) goto error; /* beacon_after params */ ret = set_beacon_data(msg, &settings->beacon_after); if (ret) goto error; /* beacon_csa params */ beacon_csa = nla_nest_start(msg, NL80211_ATTR_CSA_IES); if (!beacon_csa) goto fail; ret = set_beacon_data(msg, &settings->beacon_csa); if (ret) goto error; if (nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_BEACON, settings->counter_offset_beacon) || (settings->beacon_csa.probe_resp && nla_put_u16(msg, NL80211_ATTR_CSA_C_OFF_PRESP, settings->counter_offset_presp))) goto fail; nla_nest_end(msg, beacon_csa); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)", ret, strerror(-ret)); } return ret; fail: ret = -ENOBUFS; error: nlmsg_free(msg); wpa_printf(MSG_DEBUG, "nl80211: Could not build channel switch request"); return ret; } static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr, u8 user_priority, u16 admitted_time) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: add_ts request: tsid=%u admitted_time=%u up=%d", tsid, admitted_time, user_priority); if (!is_sta_interface(drv->nlmode)) return -ENOTSUP; msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ADD_TX_TS); if (!msg || nla_put_u8(msg, NL80211_ATTR_TSID, tsid) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || nla_put_u8(msg, NL80211_ATTR_USER_PRIO, user_priority) || nla_put_u16(msg, NL80211_ATTR_ADMITTED_TIME, admitted_time)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)", ret, strerror(-ret)); return ret; } static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: del_ts request: tsid=%u", tsid); if (!is_sta_interface(drv->nlmode)) return -ENOTSUP; if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_TX_TS)) || nla_put_u8(msg, NL80211_ATTR_TSID, tsid) || nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)", ret, strerror(-ret)); return ret; } #ifdef CONFIG_TESTING_OPTIONS static int cmd_reply_handler(struct nl_msg *msg, void *arg) { struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct wpabuf *buf = arg; if (!buf) return NL_SKIP; if ((size_t) genlmsg_attrlen(gnlh, 0) > wpabuf_tailroom(buf)) { wpa_printf(MSG_INFO, "nl80211: insufficient buffer space for reply"); return NL_SKIP; } wpabuf_put_data(buf, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0)); return NL_SKIP; } #endif /* CONFIG_TESTING_OPTIONS */ static int vendor_reply_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct nlattr *nl_vendor_reply, *nl; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct wpabuf *buf = arg; int rem; if (!buf) return NL_SKIP; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); nl_vendor_reply = tb[NL80211_ATTR_VENDOR_DATA]; if (!nl_vendor_reply) return NL_SKIP; if ((size_t) nla_len(nl_vendor_reply) > wpabuf_tailroom(buf)) { wpa_printf(MSG_INFO, "nl80211: Vendor command: insufficient buffer space for reply"); return NL_SKIP; } nla_for_each_nested(nl, nl_vendor_reply, rem) { wpabuf_put_data(buf, nla_data(nl), nla_len(nl)); } return NL_SKIP; } static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id, unsigned int subcmd, const u8 *data, size_t data_len, struct wpabuf *buf) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; #ifdef CONFIG_TESTING_OPTIONS if (vendor_id == 0xffffffff) { msg = nlmsg_alloc(); if (!msg) return -ENOMEM; nl80211_cmd(drv, msg, 0, subcmd); if (nlmsg_append(msg, (void *) data, data_len, NLMSG_ALIGNTO) < 0) goto fail; ret = send_and_recv_msgs(drv, msg, cmd_reply_handler, buf); if (ret) wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d", ret); return ret; } #endif /* CONFIG_TESTING_OPTIONS */ if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_VENDOR)) || nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, vendor_id) || nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, subcmd) || (data && nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data))) goto fail; ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf); if (ret) wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d", ret); return ret; fail: nlmsg_free(msg); return -ENOBUFS; } static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set, u8 qos_map_set_len) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_hexdump(MSG_DEBUG, "nl80211: Setting QoS Map", qos_map_set, qos_map_set_len); if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_QOS_MAP)) || nla_put(msg, NL80211_ATTR_QOS_MAP, qos_map_set_len, qos_map_set)) { nlmsg_free(msg); return -ENOBUFS; } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed"); return ret; } static int nl80211_set_wowlan(void *priv, const struct wowlan_triggers *triggers) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *wowlan_triggers; int ret; wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan"); if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_SET_WOWLAN)) || !(wowlan_triggers = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS)) || (triggers->any && nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || (triggers->disconnect && nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || (triggers->magic_pkt && nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || (triggers->gtk_rekey_failure && nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || (triggers->eap_identity_req && nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || (triggers->four_way_handshake && nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || (triggers->rfkill_release && nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) { nlmsg_free(msg); return -ENOBUFS; } nla_nest_end(msg, wowlan_triggers); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed"); return ret; } static int nl80211_roaming(void *priv, int allowed, const u8 *bssid) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *params; wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed); if (!drv->roaming_vendor_cmd_avail) { wpa_printf(MSG_DEBUG, "nl80211: Ignore roaming policy change since driver does not provide command for setting it"); return -1; } if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, QCA_NL80211_VENDOR_SUBCMD_ROAMING) || !(params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY, allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS : QCA_ROAMING_NOT_ALLOWED) || (bssid && nla_put(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid))) { nlmsg_free(msg); return -1; } nla_nest_end(msg, params); return send_and_recv_msgs(drv, msg, NULL, NULL); } static int nl80211_set_mac_addr(void *priv, const u8 *addr) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int new_addr = addr != NULL; if (!addr) addr = drv->perm_addr; if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0) < 0) return -1; if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, addr) < 0) { wpa_printf(MSG_DEBUG, "nl80211: failed to set_mac_addr for %s to " MACSTR, bss->ifname, MAC2STR(addr)); if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0) { wpa_printf(MSG_DEBUG, "nl80211: Could not restore interface UP after failed set_mac_addr"); } return -1; } wpa_printf(MSG_DEBUG, "nl80211: set_mac_addr for %s to " MACSTR, bss->ifname, MAC2STR(addr)); drv->addr_changed = new_addr; os_memcpy(bss->addr, addr, ETH_ALEN); if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1) < 0) { wpa_printf(MSG_DEBUG, "nl80211: Could not restore interface UP after set_mac_addr"); } return 0; } #ifdef CONFIG_MESH static int wpa_driver_nl80211_init_mesh(void *priv) { if (wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_MESH_POINT)) { wpa_printf(MSG_INFO, "nl80211: Failed to set interface into mesh mode"); return -1; } return 0; } static int wpa_driver_nl80211_join_mesh(void *priv, struct wpa_driver_mesh_join_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *container; int ret = 0; wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex); msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH); if (!msg) goto fail; if (params->freq) { wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq)) goto fail; } if (params->ht_mode) { unsigned int ht_value; char *ht_mode = ""; switch (params->ht_mode) { default: case CHAN_NO_HT: ht_value = NL80211_CHAN_NO_HT; ht_mode = "NOHT"; break; case CHAN_HT20: ht_value = NL80211_CHAN_HT20; ht_mode = "HT20"; break; case CHAN_HT40PLUS: ht_value = NL80211_CHAN_HT40PLUS; ht_mode = "HT40+"; break; case CHAN_HT40MINUS: ht_value = NL80211_CHAN_HT40MINUS; ht_mode = "HT40-"; break; } wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode); if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value)) goto fail; } if (params->basic_rates) { u8 rates[NL80211_MAX_SUPP_RATES]; u8 rates_len = 0; int i; for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) { if (params->basic_rates[i] < 0) break; rates[rates_len++] = params->basic_rates[i] / 5; } if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates)) goto fail; } if (params->meshid) { wpa_hexdump_ascii(MSG_DEBUG, " * SSID", params->meshid, params->meshid_len); if (nla_put(msg, NL80211_ATTR_MESH_ID, params->meshid_len, params->meshid)) goto fail; } wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags); container = nla_nest_start(msg, NL80211_ATTR_MESH_SETUP); if (!container) goto fail; if (params->ies) { wpa_hexdump(MSG_DEBUG, " * IEs", params->ies, params->ie_len); if (nla_put(msg, NL80211_MESH_SETUP_IE, params->ie_len, params->ies)) goto fail; } /* WPA_DRIVER_MESH_FLAG_OPEN_AUTH is treated as default by nl80211 */ if (params->flags & WPA_DRIVER_MESH_FLAG_SAE_AUTH) { if (nla_put_u8(msg, NL80211_MESH_SETUP_AUTH_PROTOCOL, 0x1) || nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AUTH)) goto fail; } if ((params->flags & WPA_DRIVER_MESH_FLAG_AMPE) && nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_AMPE)) goto fail; if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) && nla_put_flag(msg, NL80211_MESH_SETUP_USERSPACE_MPM)) goto fail; nla_nest_end(msg, container); container = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); if (!container) goto fail; if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) && nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0)) goto fail; nla_nest_end(msg, container); ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)", ret, strerror(-ret)); goto fail; } ret = 0; bss->freq = params->freq; wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully"); fail: nlmsg_free(msg); return ret; } static int wpa_driver_nl80211_leave_mesh(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex); msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)", ret, strerror(-ret)); } else { wpa_printf(MSG_DEBUG, "nl80211: mesh leave request send successfully"); } if (wpa_driver_nl80211_set_mode(drv->first_bss, NL80211_IFTYPE_STATION)) { wpa_printf(MSG_INFO, "nl80211: Failed to set interface into station mode"); } return ret; } #endif /* CONFIG_MESH */ static int wpa_driver_br_add_ip_neigh(void *priv, u8 version, const u8 *ipaddr, int prefixlen, const u8 *addr) { #ifdef CONFIG_LIBNL3_ROUTE struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct rtnl_neigh *rn; struct nl_addr *nl_ipaddr = NULL; struct nl_addr *nl_lladdr = NULL; int family, addrsize; int res; if (!ipaddr || prefixlen == 0 || !addr) return -EINVAL; if (bss->br_ifindex == 0) { wpa_printf(MSG_DEBUG, "nl80211: bridge must be set before adding an ip neigh to it"); return -1; } if (!drv->rtnl_sk) { wpa_printf(MSG_DEBUG, "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); return -1; } if (version == 4) { family = AF_INET; addrsize = 4; } else if (version == 6) { family = AF_INET6; addrsize = 16; } else { return -EINVAL; } rn = rtnl_neigh_alloc(); if (rn == NULL) return -ENOMEM; /* set the destination ip address for neigh */ nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize); if (nl_ipaddr == NULL) { wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); res = -ENOMEM; goto errout; } nl_addr_set_prefixlen(nl_ipaddr, prefixlen); res = rtnl_neigh_set_dst(rn, nl_ipaddr); if (res) { wpa_printf(MSG_DEBUG, "nl80211: neigh set destination addr failed"); goto errout; } /* set the corresponding lladdr for neigh */ nl_lladdr = nl_addr_build(AF_BRIDGE, (u8 *) addr, ETH_ALEN); if (nl_lladdr == NULL) { wpa_printf(MSG_DEBUG, "nl80211: neigh set lladdr failed"); res = -ENOMEM; goto errout; } rtnl_neigh_set_lladdr(rn, nl_lladdr); rtnl_neigh_set_ifindex(rn, bss->br_ifindex); rtnl_neigh_set_state(rn, NUD_PERMANENT); res = rtnl_neigh_add(drv->rtnl_sk, rn, NLM_F_CREATE); if (res) { wpa_printf(MSG_DEBUG, "nl80211: Adding bridge ip neigh failed: %s", strerror(errno)); } errout: if (nl_lladdr) nl_addr_put(nl_lladdr); if (nl_ipaddr) nl_addr_put(nl_ipaddr); if (rn) rtnl_neigh_put(rn); return res; #else /* CONFIG_LIBNL3_ROUTE */ return -1; #endif /* CONFIG_LIBNL3_ROUTE */ } static int wpa_driver_br_delete_ip_neigh(void *priv, u8 version, const u8 *ipaddr) { #ifdef CONFIG_LIBNL3_ROUTE struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct rtnl_neigh *rn; struct nl_addr *nl_ipaddr; int family, addrsize; int res; if (!ipaddr) return -EINVAL; if (version == 4) { family = AF_INET; addrsize = 4; } else if (version == 6) { family = AF_INET6; addrsize = 16; } else { return -EINVAL; } if (bss->br_ifindex == 0) { wpa_printf(MSG_DEBUG, "nl80211: bridge must be set to delete an ip neigh"); return -1; } if (!drv->rtnl_sk) { wpa_printf(MSG_DEBUG, "nl80211: nl_sock for NETLINK_ROUTE is not initialized"); return -1; } rn = rtnl_neigh_alloc(); if (rn == NULL) return -ENOMEM; /* set the destination ip address for neigh */ nl_ipaddr = nl_addr_build(family, (void *) ipaddr, addrsize); if (nl_ipaddr == NULL) { wpa_printf(MSG_DEBUG, "nl80211: nl_ipaddr build failed"); res = -ENOMEM; goto errout; } res = rtnl_neigh_set_dst(rn, nl_ipaddr); if (res) { wpa_printf(MSG_DEBUG, "nl80211: neigh set destination addr failed"); goto errout; } rtnl_neigh_set_ifindex(rn, bss->br_ifindex); res = rtnl_neigh_delete(drv->rtnl_sk, rn, 0); if (res) { wpa_printf(MSG_DEBUG, "nl80211: Deleting bridge ip neigh failed: %s", strerror(errno)); } errout: if (nl_ipaddr) nl_addr_put(nl_ipaddr); if (rn) rtnl_neigh_put(rn); return res; #else /* CONFIG_LIBNL3_ROUTE */ return -1; #endif /* CONFIG_LIBNL3_ROUTE */ } static int linux_write_system_file(const char *path, unsigned int val) { char buf[50]; int fd, len; len = os_snprintf(buf, sizeof(buf), "%u\n", val); if (os_snprintf_error(sizeof(buf), len)) return -1; fd = open(path, O_WRONLY); if (fd < 0) return -1; if (write(fd, buf, len) < 0) { wpa_printf(MSG_DEBUG, "nl80211: Failed to write Linux system file: %s with the value of %d", path, val); close(fd); return -1; } close(fd); return 0; } static const char * drv_br_port_attr_str(enum drv_br_port_attr attr) { switch (attr) { case DRV_BR_PORT_ATTR_PROXYARP: return "proxyarp"; case DRV_BR_PORT_ATTR_HAIRPIN_MODE: return "hairpin_mode"; } return NULL; } static int wpa_driver_br_port_set_attr(void *priv, enum drv_br_port_attr attr, unsigned int val) { struct i802_bss *bss = priv; char path[128]; const char *attr_txt; attr_txt = drv_br_port_attr_str(attr); if (attr_txt == NULL) return -EINVAL; os_snprintf(path, sizeof(path), "/sys/class/net/%s/brport/%s", bss->ifname, attr_txt); if (linux_write_system_file(path, val)) return -1; return 0; } static const char * drv_br_net_param_str(enum drv_br_net_param param) { switch (param) { case DRV_BR_NET_PARAM_GARP_ACCEPT: return "arp_accept"; } return NULL; } static int wpa_driver_br_set_net_param(void *priv, enum drv_br_net_param param, unsigned int val) { struct i802_bss *bss = priv; char path[128]; const char *param_txt; int ip_version = 4; param_txt = drv_br_net_param_str(param); if (param_txt == NULL) return -EINVAL; switch (param) { case DRV_BR_NET_PARAM_GARP_ACCEPT: ip_version = 4; break; default: return -EINVAL; } os_snprintf(path, sizeof(path), "/proc/sys/net/ipv%d/conf/%s/%s", ip_version, bss->brname, param_txt); if (linux_write_system_file(path, val)) return -1; return 0; } static int hw_mode_to_qca_acs(enum hostapd_hw_mode hw_mode) { switch (hw_mode) { case HOSTAPD_MODE_IEEE80211B: return QCA_ACS_MODE_IEEE80211B; case HOSTAPD_MODE_IEEE80211G: return QCA_ACS_MODE_IEEE80211G; case HOSTAPD_MODE_IEEE80211A: return QCA_ACS_MODE_IEEE80211A; case HOSTAPD_MODE_IEEE80211AD: return QCA_ACS_MODE_IEEE80211AD; default: return -1; } } static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; struct nlattr *data; int ret; int mode; mode = hw_mode_to_qca_acs(params->hw_mode); if (mode < 0) return -1; if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) || nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) || nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD, QCA_NL80211_VENDOR_SUBCMD_DO_ACS) || !(data = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA)) || nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE, mode) || (params->ht_enabled && nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT_ENABLED)) || (params->ht40_enabled && nla_put_flag(msg, QCA_WLAN_VENDOR_ATTR_ACS_HT40_ENABLED))) { nlmsg_free(msg); return -ENOBUFS; } nla_nest_end(msg, data); ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Failed to invoke driver ACS function: %s", strerror(errno)); } return ret; } const struct wpa_driver_ops wpa_driver_nl80211_ops = { .name = "nl80211", .desc = "Linux nl80211/cfg80211", .get_bssid = wpa_driver_nl80211_get_bssid, .get_ssid = wpa_driver_nl80211_get_ssid, .set_key = driver_nl80211_set_key, .scan2 = driver_nl80211_scan2, .sched_scan = wpa_driver_nl80211_sched_scan, .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, .get_scan_results2 = wpa_driver_nl80211_get_scan_results, .deauthenticate = driver_nl80211_deauthenticate, .authenticate = driver_nl80211_authenticate, .associate = wpa_driver_nl80211_associate, .global_init = nl80211_global_init, .global_deinit = nl80211_global_deinit, .init2 = wpa_driver_nl80211_init, .deinit = driver_nl80211_deinit, .get_capa = wpa_driver_nl80211_get_capa, .set_operstate = wpa_driver_nl80211_set_operstate, .set_supp_port = wpa_driver_nl80211_set_supp_port, .set_country = wpa_driver_nl80211_set_country, .get_country = wpa_driver_nl80211_get_country, .set_ap = wpa_driver_nl80211_set_ap, .set_acl = wpa_driver_nl80211_set_acl, .if_add = wpa_driver_nl80211_if_add, .if_remove = driver_nl80211_if_remove, .send_mlme = driver_nl80211_send_mlme, .get_hw_feature_data = nl80211_get_hw_feature_data, .sta_add = wpa_driver_nl80211_sta_add, .sta_remove = driver_nl80211_sta_remove, .hapd_send_eapol = wpa_driver_nl80211_hapd_send_eapol, .sta_set_flags = wpa_driver_nl80211_sta_set_flags, .hapd_init = i802_init, .hapd_deinit = i802_deinit, .set_wds_sta = i802_set_wds_sta, .get_seqnum = i802_get_seqnum, .flush = i802_flush, .get_inact_sec = i802_get_inact_sec, .sta_clear_stats = i802_sta_clear_stats, .set_rts = i802_set_rts, .set_frag = i802_set_frag, .set_tx_queue_params = i802_set_tx_queue_params, .set_sta_vlan = driver_nl80211_set_sta_vlan, .sta_deauth = i802_sta_deauth, .sta_disassoc = i802_sta_disassoc, .read_sta_data = driver_nl80211_read_sta_data, .set_freq = i802_set_freq, .send_action = driver_nl80211_send_action, .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, .remain_on_channel = wpa_driver_nl80211_remain_on_channel, .cancel_remain_on_channel = wpa_driver_nl80211_cancel_remain_on_channel, .probe_req_report = driver_nl80211_probe_req_report, .deinit_ap = wpa_driver_nl80211_deinit_ap, .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, .resume = wpa_driver_nl80211_resume, .signal_monitor = nl80211_signal_monitor, .signal_poll = nl80211_signal_poll, .send_frame = nl80211_send_frame, .shared_freq = wpa_driver_nl80211_shared_freq, .set_param = nl80211_set_param, .get_radio_name = nl80211_get_radio_name, .add_pmkid = nl80211_add_pmkid, .remove_pmkid = nl80211_remove_pmkid, .flush_pmkid = nl80211_flush_pmkid, .set_rekey_info = nl80211_set_rekey_info, .poll_client = nl80211_poll_client, .set_p2p_powersave = nl80211_set_p2p_powersave, .start_dfs_cac = nl80211_start_radar_detection, .stop_ap = wpa_driver_nl80211_stop_ap, #ifdef CONFIG_TDLS .send_tdls_mgmt = nl80211_send_tdls_mgmt, .tdls_oper = nl80211_tdls_oper, #endif /* CONFIG_TDLS */ .update_ft_ies = wpa_driver_nl80211_update_ft_ies, .get_mac_addr = wpa_driver_nl80211_get_macaddr, .get_survey = wpa_driver_nl80211_get_survey, .status = wpa_driver_nl80211_status, .switch_channel = nl80211_switch_channel, #ifdef ANDROID_P2P .set_noa = wpa_driver_set_p2p_noa, .get_noa = wpa_driver_get_p2p_noa, .set_ap_wps_ie = wpa_driver_set_ap_wps_p2p_ie, #endif /* ANDROID_P2P */ #ifdef ANDROID .driver_cmd = wpa_driver_nl80211_driver_cmd, #endif /* ANDROID */ .vendor_cmd = nl80211_vendor_cmd, .set_qos_map = nl80211_set_qos_map, .set_wowlan = nl80211_set_wowlan, .roaming = nl80211_roaming, .set_mac_addr = nl80211_set_mac_addr, #ifdef CONFIG_MESH .init_mesh = wpa_driver_nl80211_init_mesh, .join_mesh = wpa_driver_nl80211_join_mesh, .leave_mesh = wpa_driver_nl80211_leave_mesh, #endif /* CONFIG_MESH */ .br_add_ip_neigh = wpa_driver_br_add_ip_neigh, .br_delete_ip_neigh = wpa_driver_br_delete_ip_neigh, .br_port_set_attr = wpa_driver_br_port_set_attr, .br_set_net_param = wpa_driver_br_set_net_param, .add_tx_ts = nl80211_add_ts, .del_tx_ts = nl80211_del_ts, .do_acs = wpa_driver_do_acs, };