2008-02-27 20:34:43 -05:00
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/*
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2009-04-09 06:40:12 -04:00
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* Driver interaction with Linux Host AP driver
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2008-02-27 20:34:43 -05:00
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* Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
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*
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2012-02-11 09:46:35 -05:00
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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2008-02-27 20:34:43 -05:00
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*/
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#include "includes.h"
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#include <sys/ioctl.h>
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2011-11-15 13:03:00 -05:00
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#include "linux_wext.h"
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2008-02-27 20:34:43 -05:00
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#include "common.h"
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#include "driver.h"
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#include "driver_wext.h"
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#include "eloop.h"
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#include "driver_hostap.h"
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2009-04-09 06:40:12 -04:00
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#include <net/if_arp.h>
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#include <netpacket/packet.h>
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#include "priv_netlink.h"
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2009-12-18 11:24:13 -05:00
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#include "netlink.h"
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2010-01-03 15:08:26 -05:00
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#include "linux_ioctl.h"
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2009-11-29 10:51:55 -05:00
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#include "common/ieee802_11_defs.h"
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2011-10-20 14:51:32 -04:00
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#include "common/ieee802_11_common.h"
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2009-04-09 06:40:12 -04:00
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2009-11-23 09:21:07 -05:00
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/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
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* frames that might be longer than normal default MTU and they are not
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* fragmented */
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#define HOSTAPD_MTU 2290
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2009-04-09 06:40:12 -04:00
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static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
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struct hostap_driver_data {
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struct hostapd_data *hapd;
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char iface[IFNAMSIZ + 1];
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int sock; /* raw packet socket for driver access */
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int ioctl_sock; /* socket for ioctl() use */
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2009-12-18 11:24:13 -05:00
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struct netlink_data *netlink;
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2009-04-09 06:40:12 -04:00
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int we_version;
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u8 *generic_ie;
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size_t generic_ie_len;
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u8 *wps_ie;
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size_t wps_ie_len;
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};
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static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
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int len);
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static int hostap_set_iface_flags(void *priv, int dev_up);
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static void handle_data(struct hostap_driver_data *drv, u8 *buf, size_t len,
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u16 stype)
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{
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struct ieee80211_hdr *hdr;
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u16 fc, ethertype;
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u8 *pos, *sa;
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size_t left;
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2009-12-13 16:05:39 -05:00
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union wpa_event_data event;
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2009-04-09 06:40:12 -04:00
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if (len < sizeof(struct ieee80211_hdr))
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return;
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hdr = (struct ieee80211_hdr *) buf;
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fc = le_to_host16(hdr->frame_control);
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if ((fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) != WLAN_FC_TODS) {
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printf("Not ToDS data frame (fc=0x%04x)\n", fc);
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return;
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}
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sa = hdr->addr2;
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2009-12-13 16:05:39 -05:00
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os_memset(&event, 0, sizeof(event));
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2011-10-20 14:51:32 -04:00
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event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len);
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event.rx_from_unknown.addr = sa;
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2009-12-13 16:05:39 -05:00
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wpa_supplicant_event(drv->hapd, EVENT_RX_FROM_UNKNOWN, &event);
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2009-04-09 06:40:12 -04:00
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pos = (u8 *) (hdr + 1);
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left = len - sizeof(*hdr);
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if (left < sizeof(rfc1042_header)) {
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printf("Too short data frame\n");
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return;
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}
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if (memcmp(pos, rfc1042_header, sizeof(rfc1042_header)) != 0) {
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printf("Data frame with no RFC1042 header\n");
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return;
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}
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pos += sizeof(rfc1042_header);
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left -= sizeof(rfc1042_header);
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if (left < 2) {
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printf("No ethertype in data frame\n");
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return;
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}
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ethertype = WPA_GET_BE16(pos);
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pos += 2;
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left -= 2;
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switch (ethertype) {
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case ETH_P_PAE:
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2010-01-03 11:35:01 -05:00
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drv_event_eapol_rx(drv->hapd, sa, pos, left);
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2009-04-09 06:40:12 -04:00
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break;
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default:
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printf("Unknown ethertype 0x%04x in data frame\n", ethertype);
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break;
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}
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}
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static void handle_tx_callback(struct hostap_driver_data *drv, u8 *buf,
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size_t len, int ok)
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{
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struct ieee80211_hdr *hdr;
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2009-12-13 16:05:39 -05:00
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u16 fc;
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union wpa_event_data event;
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2009-04-09 06:40:12 -04:00
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hdr = (struct ieee80211_hdr *) buf;
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fc = le_to_host16(hdr->frame_control);
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2009-12-13 16:05:39 -05:00
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os_memset(&event, 0, sizeof(event));
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event.tx_status.type = WLAN_FC_GET_TYPE(fc);
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event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
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event.tx_status.dst = hdr->addr1;
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event.tx_status.data = buf;
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event.tx_status.data_len = len;
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event.tx_status.ack = ok;
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wpa_supplicant_event(drv->hapd, EVENT_TX_STATUS, &event);
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2009-04-09 06:40:12 -04:00
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}
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static void handle_frame(struct hostap_driver_data *drv, u8 *buf, size_t len)
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{
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struct ieee80211_hdr *hdr;
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2015-07-18 16:24:16 -04:00
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u16 fc, type, stype;
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2009-04-09 06:40:12 -04:00
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size_t data_len = len;
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int ver;
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2009-12-13 16:05:39 -05:00
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union wpa_event_data event;
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2009-04-09 06:40:12 -04:00
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/* PSPOLL is only 16 bytes, but driver does not (at least yet) pass
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* these to user space */
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if (len < 24) {
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wpa_printf(MSG_MSGDUMP, "handle_frame: too short (%lu)",
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(unsigned long) len);
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return;
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}
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hdr = (struct ieee80211_hdr *) buf;
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fc = le_to_host16(hdr->frame_control);
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type = WLAN_FC_GET_TYPE(fc);
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stype = WLAN_FC_GET_STYPE(fc);
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if (type != WLAN_FC_TYPE_MGMT || stype != WLAN_FC_STYPE_BEACON) {
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wpa_hexdump(MSG_MSGDUMP, "Received management frame",
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buf, len);
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}
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ver = fc & WLAN_FC_PVER;
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2015-07-18 16:24:16 -04:00
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/* protocol version 2 is reserved for indicating ACKed frame (TX
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* callbacks), and version 1 for indicating failed frame (no ACK, TX
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* callbacks) */
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if (ver == 1 || ver == 2) {
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2009-04-09 06:40:12 -04:00
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handle_tx_callback(drv, buf, data_len, ver == 2 ? 1 : 0);
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return;
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} else if (ver != 0) {
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printf("unknown protocol version %d\n", ver);
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return;
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}
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switch (type) {
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case WLAN_FC_TYPE_MGMT:
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2009-12-13 16:05:39 -05:00
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os_memset(&event, 0, sizeof(event));
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event.rx_mgmt.frame = buf;
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event.rx_mgmt.frame_len = data_len;
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wpa_supplicant_event(drv->hapd, EVENT_RX_MGMT, &event);
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2009-04-09 06:40:12 -04:00
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break;
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case WLAN_FC_TYPE_CTRL:
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wpa_printf(MSG_DEBUG, "CTRL");
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break;
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case WLAN_FC_TYPE_DATA:
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wpa_printf(MSG_DEBUG, "DATA");
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handle_data(drv, buf, data_len, stype);
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break;
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default:
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wpa_printf(MSG_DEBUG, "unknown frame type %d", type);
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break;
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}
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}
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static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
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{
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struct hostap_driver_data *drv = eloop_ctx;
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int len;
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unsigned char buf[3000];
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len = recv(sock, buf, sizeof(buf), 0);
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if (len < 0) {
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2014-12-24 05:43:35 -05:00
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wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
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2009-04-09 06:40:12 -04:00
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return;
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}
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handle_frame(drv, buf, len);
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}
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2009-04-17 04:55:51 -04:00
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static int hostap_init_sockets(struct hostap_driver_data *drv, u8 *own_addr)
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2009-04-09 06:40:12 -04:00
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{
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struct ifreq ifr;
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struct sockaddr_ll addr;
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drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
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if (drv->sock < 0) {
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2014-12-24 05:43:35 -05:00
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wpa_printf(MSG_ERROR, "socket[PF_PACKET,SOCK_RAW]: %s",
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strerror(errno));
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2009-04-09 06:40:12 -04:00
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return -1;
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}
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if (eloop_register_read_sock(drv->sock, handle_read, drv, NULL)) {
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2014-12-24 05:43:35 -05:00
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wpa_printf(MSG_ERROR, "Could not register read socket");
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2009-04-09 06:40:12 -04:00
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return -1;
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}
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memset(&ifr, 0, sizeof(ifr));
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snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
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if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
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2014-12-24 05:43:35 -05:00
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wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
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strerror(errno));
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2009-04-09 06:40:12 -04:00
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return -1;
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}
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if (hostap_set_iface_flags(drv, 1)) {
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return -1;
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}
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memset(&addr, 0, sizeof(addr));
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addr.sll_family = AF_PACKET;
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addr.sll_ifindex = ifr.ifr_ifindex;
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wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
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addr.sll_ifindex);
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if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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2014-12-24 05:43:35 -05:00
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wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
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2009-04-09 06:40:12 -04:00
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return -1;
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}
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2010-01-03 15:17:08 -05:00
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return linux_get_ifhwaddr(drv->sock, drv->iface, own_addr);
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2009-04-09 06:40:12 -04:00
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}
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2015-06-10 04:43:34 -04:00
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static int hostap_send_mlme(void *priv, const u8 *msg, size_t len, int noack,
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2015-09-08 05:46:26 -04:00
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unsigned int freq,
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const u16 *csa_offs, size_t csa_offs_len)
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2009-04-09 06:40:12 -04:00
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{
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struct hostap_driver_data *drv = priv;
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) msg;
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int res;
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/* Request TX callback */
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hdr->frame_control |= host_to_le16(BIT(1));
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2009-04-09 12:42:19 -04:00
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res = send(drv->sock, msg, len, 0);
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2009-04-09 06:40:12 -04:00
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hdr->frame_control &= ~host_to_le16(BIT(1));
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return res;
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}
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static int hostap_send_eapol(void *priv, const u8 *addr, const u8 *data,
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2011-04-02 15:03:05 -04:00
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size_t data_len, int encrypt, const u8 *own_addr,
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u32 flags)
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2009-04-09 06:40:12 -04:00
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{
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struct hostap_driver_data *drv = priv;
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struct ieee80211_hdr *hdr;
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size_t len;
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u8 *pos;
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int res;
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len = sizeof(*hdr) + sizeof(rfc1042_header) + 2 + data_len;
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hdr = os_zalloc(len);
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if (hdr == NULL) {
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printf("malloc() failed for hostapd_send_data(len=%lu)\n",
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(unsigned long) len);
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return -1;
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}
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hdr->frame_control =
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IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
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hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
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if (encrypt)
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hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
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memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
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memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
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memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
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pos = (u8 *) (hdr + 1);
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memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
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pos += sizeof(rfc1042_header);
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*((u16 *) pos) = htons(ETH_P_PAE);
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pos += 2;
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memcpy(pos, data, data_len);
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2015-09-08 05:46:26 -04:00
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res = hostap_send_mlme(drv, (u8 *) hdr, len, 0, 0, NULL, 0);
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2009-04-09 06:40:12 -04:00
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if (res < 0) {
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2009-04-09 12:57:20 -04:00
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wpa_printf(MSG_ERROR, "hostap_send_eapol - packet len: %lu - "
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"failed: %d (%s)",
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(unsigned long) len, errno, strerror(errno));
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2009-04-09 06:40:12 -04:00
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}
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2015-06-23 13:04:14 -04:00
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os_free(hdr);
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2009-04-09 06:40:12 -04:00
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return res;
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}
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2010-03-07 04:45:41 -05:00
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|
|
static int hostap_sta_set_flags(void *priv, const u8 *addr,
|
2015-07-07 05:33:38 -04:00
|
|
|
unsigned int total_flags, unsigned int flags_or,
|
|
|
|
unsigned int flags_and)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param param;
|
|
|
|
|
2009-12-13 04:35:39 -05:00
|
|
|
if (flags_or & WPA_STA_AUTHORIZED)
|
|
|
|
flags_or = BIT(5); /* WLAN_STA_AUTHORIZED */
|
|
|
|
if (!(flags_and & WPA_STA_AUTHORIZED))
|
|
|
|
flags_and = ~BIT(5);
|
|
|
|
else
|
|
|
|
flags_and = ~0;
|
2009-04-09 06:40:12 -04:00
|
|
|
memset(¶m, 0, sizeof(param));
|
|
|
|
param.cmd = PRISM2_HOSTAPD_SET_FLAGS_STA;
|
|
|
|
memcpy(param.sta_addr, addr, ETH_ALEN);
|
|
|
|
param.u.set_flags_sta.flags_or = flags_or;
|
|
|
|
param.u.set_flags_sta.flags_and = flags_and;
|
|
|
|
return hostapd_ioctl(drv, ¶m, sizeof(param));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_set_iface_flags(void *priv, int dev_up)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct ifreq ifr;
|
2010-01-03 15:08:26 -05:00
|
|
|
char ifname[IFNAMSIZ];
|
2009-04-09 06:40:12 -04:00
|
|
|
|
2010-01-03 15:08:26 -05:00
|
|
|
os_snprintf(ifname, IFNAMSIZ, "%sap", drv->iface);
|
|
|
|
if (linux_set_iface_flags(drv->ioctl_sock, ifname, dev_up) < 0)
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
|
|
|
|
|
|
|
if (dev_up) {
|
|
|
|
memset(&ifr, 0, sizeof(ifr));
|
2010-01-03 15:08:26 -05:00
|
|
|
os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
|
2009-04-09 06:40:12 -04:00
|
|
|
ifr.ifr_mtu = HOSTAPD_MTU;
|
|
|
|
if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_INFO,
|
|
|
|
"Setting MTU failed - trying to survive with current value: ioctl[SIOCSIFMTU]: %s",
|
|
|
|
strerror(errno));
|
2009-04-09 06:40:12 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostapd_ioctl(void *priv, struct prism2_hostapd_param *param,
|
|
|
|
int len)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct iwreq iwr;
|
|
|
|
|
|
|
|
memset(&iwr, 0, sizeof(iwr));
|
|
|
|
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
|
|
|
|
iwr.u.data.pointer = (caddr_t) param;
|
|
|
|
iwr.u.data.length = len;
|
|
|
|
|
|
|
|
if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR, "ioctl[PRISM2_IOCTL_HOSTAPD]: %s",
|
|
|
|
strerror(errno));
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-11-23 09:58:32 -05:00
|
|
|
static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
|
2009-12-26 03:35:08 -05:00
|
|
|
enum wpa_alg alg, const u8 *addr,
|
|
|
|
int key_idx, int set_tx,
|
|
|
|
const u8 *seq, size_t seq_len,
|
2009-11-23 09:58:32 -05:00
|
|
|
const u8 *key, size_t key_len)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param *param;
|
|
|
|
u8 *buf;
|
|
|
|
size_t blen;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
blen = sizeof(*param) + key_len;
|
|
|
|
buf = os_zalloc(blen);
|
|
|
|
if (buf == NULL)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
param = (struct prism2_hostapd_param *) buf;
|
|
|
|
param->cmd = PRISM2_SET_ENCRYPTION;
|
|
|
|
if (addr == NULL)
|
|
|
|
memset(param->sta_addr, 0xff, ETH_ALEN);
|
|
|
|
else
|
|
|
|
memcpy(param->sta_addr, addr, ETH_ALEN);
|
|
|
|
switch (alg) {
|
|
|
|
case WPA_ALG_NONE:
|
|
|
|
os_strlcpy((char *) param->u.crypt.alg, "NONE",
|
|
|
|
HOSTAP_CRYPT_ALG_NAME_LEN);
|
|
|
|
break;
|
|
|
|
case WPA_ALG_WEP:
|
|
|
|
os_strlcpy((char *) param->u.crypt.alg, "WEP",
|
|
|
|
HOSTAP_CRYPT_ALG_NAME_LEN);
|
|
|
|
break;
|
|
|
|
case WPA_ALG_TKIP:
|
|
|
|
os_strlcpy((char *) param->u.crypt.alg, "TKIP",
|
|
|
|
HOSTAP_CRYPT_ALG_NAME_LEN);
|
|
|
|
break;
|
|
|
|
case WPA_ALG_CCMP:
|
|
|
|
os_strlcpy((char *) param->u.crypt.alg, "CCMP",
|
|
|
|
HOSTAP_CRYPT_ALG_NAME_LEN);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
os_free(buf);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
|
|
|
|
param->u.crypt.idx = key_idx;
|
|
|
|
param->u.crypt.key_len = key_len;
|
|
|
|
memcpy((u8 *) (param + 1), key, key_len);
|
|
|
|
|
|
|
|
if (hostapd_ioctl(drv, param, blen)) {
|
|
|
|
printf("Failed to set encryption.\n");
|
|
|
|
ret = -1;
|
|
|
|
}
|
|
|
|
free(buf);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_get_seqnum(const char *ifname, void *priv, const u8 *addr,
|
|
|
|
int idx, u8 *seq)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param *param;
|
|
|
|
u8 *buf;
|
|
|
|
size_t blen;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
blen = sizeof(*param) + 32;
|
|
|
|
buf = os_zalloc(blen);
|
|
|
|
if (buf == NULL)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
param = (struct prism2_hostapd_param *) buf;
|
|
|
|
param->cmd = PRISM2_GET_ENCRYPTION;
|
|
|
|
if (addr == NULL)
|
2015-06-23 13:04:14 -04:00
|
|
|
os_memset(param->sta_addr, 0xff, ETH_ALEN);
|
2009-04-09 06:40:12 -04:00
|
|
|
else
|
2015-06-23 13:04:14 -04:00
|
|
|
os_memcpy(param->sta_addr, addr, ETH_ALEN);
|
2009-04-09 06:40:12 -04:00
|
|
|
param->u.crypt.idx = idx;
|
|
|
|
|
|
|
|
if (hostapd_ioctl(drv, param, blen)) {
|
|
|
|
printf("Failed to get encryption.\n");
|
|
|
|
ret = -1;
|
|
|
|
} else {
|
2015-06-23 13:04:14 -04:00
|
|
|
os_memcpy(seq, param->u.crypt.seq, 8);
|
2009-04-09 06:40:12 -04:00
|
|
|
}
|
2015-06-23 13:04:14 -04:00
|
|
|
os_free(buf);
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_ioctl_prism2param(void *priv, int param, int value)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct iwreq iwr;
|
|
|
|
int *i;
|
|
|
|
|
|
|
|
memset(&iwr, 0, sizeof(iwr));
|
|
|
|
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
|
|
|
|
i = (int *) iwr.u.name;
|
|
|
|
*i++ = param;
|
|
|
|
*i++ = value;
|
|
|
|
|
|
|
|
if (ioctl(drv->ioctl_sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR, "ioctl[PRISM2_IOCTL_PRISM2_PARAM]: %s",
|
|
|
|
strerror(errno));
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-12 16:32:44 -05:00
|
|
|
static int hostap_set_ieee8021x(void *priv, struct wpa_bss_params *params)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
2009-12-12 16:32:44 -05:00
|
|
|
int enabled = params->enabled;
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
/* enable kernel driver support for IEEE 802.1X */
|
|
|
|
if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_IEEE_802_1X, enabled)) {
|
|
|
|
printf("Could not setup IEEE 802.1X support in kernel driver."
|
|
|
|
"\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!enabled)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* use host driver implementation of encryption to allow
|
|
|
|
* individual keys and passing plaintext EAPOL frames */
|
|
|
|
if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_DECRYPT, 1) ||
|
|
|
|
hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOST_ENCRYPT, 1)) {
|
|
|
|
printf("Could not setup host-based encryption in kernel "
|
|
|
|
"driver.\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-03-07 04:29:17 -05:00
|
|
|
static int hostap_set_privacy(void *priv, int enabled)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_drvier_data *drv = priv;
|
|
|
|
|
|
|
|
return hostap_ioctl_prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
|
|
|
|
enabled);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-03-07 04:36:45 -05:00
|
|
|
static int hostap_set_ssid(void *priv, const u8 *buf, int len)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct iwreq iwr;
|
|
|
|
|
|
|
|
memset(&iwr, 0, sizeof(iwr));
|
|
|
|
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
|
|
|
|
iwr.u.essid.flags = 1; /* SSID active */
|
|
|
|
iwr.u.essid.pointer = (caddr_t) buf;
|
|
|
|
iwr.u.essid.length = len + 1;
|
|
|
|
|
|
|
|
if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR, "ioctl[SIOCSIWESSID,len=%d]: %s",
|
|
|
|
len, strerror(errno));
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_flush(void *priv)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param param;
|
|
|
|
|
|
|
|
memset(¶m, 0, sizeof(param));
|
|
|
|
param.cmd = PRISM2_HOSTAPD_FLUSH;
|
|
|
|
return hostapd_ioctl(drv, ¶m, sizeof(param));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_read_sta_data(void *priv,
|
|
|
|
struct hostap_sta_driver_data *data,
|
|
|
|
const u8 *addr)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
char buf[1024], line[128], *pos;
|
|
|
|
FILE *f;
|
|
|
|
unsigned long val;
|
|
|
|
|
|
|
|
memset(data, 0, sizeof(*data));
|
|
|
|
snprintf(buf, sizeof(buf), "/proc/net/hostap/%s/" MACSTR,
|
|
|
|
drv->iface, MAC2STR(addr));
|
|
|
|
|
|
|
|
f = fopen(buf, "r");
|
|
|
|
if (!f)
|
|
|
|
return -1;
|
|
|
|
/* Need to read proc file with in one piece, so use large enough
|
|
|
|
* buffer. */
|
|
|
|
setbuffer(f, buf, sizeof(buf));
|
|
|
|
|
|
|
|
while (fgets(line, sizeof(line), f)) {
|
|
|
|
pos = strchr(line, '=');
|
|
|
|
if (!pos)
|
|
|
|
continue;
|
|
|
|
*pos++ = '\0';
|
|
|
|
val = strtoul(pos, NULL, 10);
|
|
|
|
if (strcmp(line, "rx_packets") == 0)
|
|
|
|
data->rx_packets = val;
|
|
|
|
else if (strcmp(line, "tx_packets") == 0)
|
|
|
|
data->tx_packets = val;
|
|
|
|
else if (strcmp(line, "rx_bytes") == 0)
|
|
|
|
data->rx_bytes = val;
|
|
|
|
else if (strcmp(line, "tx_bytes") == 0)
|
|
|
|
data->tx_bytes = val;
|
|
|
|
}
|
|
|
|
|
|
|
|
fclose(f);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-03-07 04:42:41 -05:00
|
|
|
static int hostap_sta_add(void *priv, struct hostapd_sta_add_params *params)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param param;
|
|
|
|
int tx_supp_rates = 0;
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
#define WLAN_RATE_1M BIT(0)
|
|
|
|
#define WLAN_RATE_2M BIT(1)
|
|
|
|
#define WLAN_RATE_5M5 BIT(2)
|
|
|
|
#define WLAN_RATE_11M BIT(3)
|
|
|
|
|
|
|
|
for (i = 0; i < params->supp_rates_len; i++) {
|
|
|
|
if ((params->supp_rates[i] & 0x7f) == 2)
|
|
|
|
tx_supp_rates |= WLAN_RATE_1M;
|
|
|
|
if ((params->supp_rates[i] & 0x7f) == 4)
|
|
|
|
tx_supp_rates |= WLAN_RATE_2M;
|
|
|
|
if ((params->supp_rates[i] & 0x7f) == 11)
|
|
|
|
tx_supp_rates |= WLAN_RATE_5M5;
|
|
|
|
if ((params->supp_rates[i] & 0x7f) == 22)
|
|
|
|
tx_supp_rates |= WLAN_RATE_11M;
|
|
|
|
}
|
|
|
|
|
|
|
|
memset(¶m, 0, sizeof(param));
|
|
|
|
param.cmd = PRISM2_HOSTAPD_ADD_STA;
|
|
|
|
memcpy(param.sta_addr, params->addr, ETH_ALEN);
|
|
|
|
param.u.add_sta.aid = params->aid;
|
|
|
|
param.u.add_sta.capability = params->capability;
|
|
|
|
param.u.add_sta.tx_supp_rates = tx_supp_rates;
|
|
|
|
return hostapd_ioctl(drv, ¶m, sizeof(param));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_sta_remove(void *priv, const u8 *addr)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param param;
|
|
|
|
|
2010-03-07 04:45:41 -05:00
|
|
|
hostap_sta_set_flags(drv, addr, 0, 0, ~WPA_STA_AUTHORIZED);
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
memset(¶m, 0, sizeof(param));
|
|
|
|
param.cmd = PRISM2_HOSTAPD_REMOVE_STA;
|
|
|
|
memcpy(param.sta_addr, addr, ETH_ALEN);
|
|
|
|
if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
|
|
|
|
printf("Could not remove station from kernel driver.\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_get_inact_sec(void *priv, const u8 *addr)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param param;
|
|
|
|
|
|
|
|
memset(¶m, 0, sizeof(param));
|
|
|
|
param.cmd = PRISM2_HOSTAPD_GET_INFO_STA;
|
|
|
|
memcpy(param.sta_addr, addr, ETH_ALEN);
|
|
|
|
if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return param.u.get_info_sta.inactive_sec;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_sta_clear_stats(void *priv, const u8 *addr)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct prism2_hostapd_param param;
|
|
|
|
|
|
|
|
memset(¶m, 0, sizeof(param));
|
|
|
|
param.cmd = PRISM2_HOSTAPD_STA_CLEAR_STATS;
|
|
|
|
memcpy(param.sta_addr, addr, ETH_ALEN);
|
|
|
|
if (hostapd_ioctl(drv, ¶m, sizeof(param))) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostapd_ioctl_set_generic_elem(struct hostap_driver_data *drv)
|
|
|
|
{
|
|
|
|
struct prism2_hostapd_param *param;
|
|
|
|
int res;
|
|
|
|
size_t blen, elem_len;
|
|
|
|
|
|
|
|
elem_len = drv->generic_ie_len + drv->wps_ie_len;
|
|
|
|
blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + elem_len;
|
|
|
|
if (blen < sizeof(*param))
|
|
|
|
blen = sizeof(*param);
|
|
|
|
|
|
|
|
param = os_zalloc(blen);
|
|
|
|
if (param == NULL)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
|
|
|
|
param->u.generic_elem.len = elem_len;
|
|
|
|
if (drv->generic_ie) {
|
|
|
|
os_memcpy(param->u.generic_elem.data, drv->generic_ie,
|
|
|
|
drv->generic_ie_len);
|
|
|
|
}
|
|
|
|
if (drv->wps_ie) {
|
|
|
|
os_memcpy(¶m->u.generic_elem.data[drv->generic_ie_len],
|
|
|
|
drv->wps_ie, drv->wps_ie_len);
|
|
|
|
}
|
|
|
|
wpa_hexdump(MSG_DEBUG, "hostap: Set generic IE",
|
|
|
|
param->u.generic_elem.data, elem_len);
|
|
|
|
res = hostapd_ioctl(drv, param, blen);
|
|
|
|
|
|
|
|
os_free(param);
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-03-07 04:33:06 -05:00
|
|
|
static int hostap_set_generic_elem(void *priv,
|
2009-04-09 06:40:12 -04:00
|
|
|
const u8 *elem, size_t elem_len)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
|
|
|
|
os_free(drv->generic_ie);
|
|
|
|
drv->generic_ie = NULL;
|
|
|
|
drv->generic_ie_len = 0;
|
|
|
|
if (elem) {
|
2017-03-07 04:17:23 -05:00
|
|
|
drv->generic_ie = os_memdup(elem, elem_len);
|
2009-04-09 06:40:12 -04:00
|
|
|
if (drv->generic_ie == NULL)
|
|
|
|
return -1;
|
|
|
|
drv->generic_ie_len = elem_len;
|
|
|
|
}
|
|
|
|
|
|
|
|
return hostapd_ioctl_set_generic_elem(drv);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-03-07 04:51:50 -05:00
|
|
|
static int hostap_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
|
2010-09-22 13:46:44 -04:00
|
|
|
const struct wpabuf *proberesp,
|
|
|
|
const struct wpabuf *assocresp)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
|
2009-12-24 12:46:06 -05:00
|
|
|
/*
|
|
|
|
* Host AP driver supports only one set of extra IEs, so we need to
|
|
|
|
* use the Probe Response IEs also for Beacon frames since they include
|
|
|
|
* more information.
|
|
|
|
*/
|
|
|
|
|
2009-04-09 06:40:12 -04:00
|
|
|
os_free(drv->wps_ie);
|
|
|
|
drv->wps_ie = NULL;
|
|
|
|
drv->wps_ie_len = 0;
|
2009-12-24 12:46:06 -05:00
|
|
|
if (proberesp) {
|
2017-03-07 04:17:23 -05:00
|
|
|
drv->wps_ie = os_memdup(wpabuf_head(proberesp),
|
|
|
|
wpabuf_len(proberesp));
|
2009-04-09 06:40:12 -04:00
|
|
|
if (drv->wps_ie == NULL)
|
|
|
|
return -1;
|
2009-12-24 12:46:06 -05:00
|
|
|
drv->wps_ie_len = wpabuf_len(proberesp);
|
2009-04-09 06:40:12 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
return hostapd_ioctl_set_generic_elem(drv);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
hostapd_wireless_event_wireless_custom(struct hostap_driver_data *drv,
|
|
|
|
char *custom)
|
|
|
|
{
|
|
|
|
wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
|
|
|
|
|
|
|
|
if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
|
|
|
|
char *pos;
|
|
|
|
u8 addr[ETH_ALEN];
|
|
|
|
pos = strstr(custom, "addr=");
|
|
|
|
if (pos == NULL) {
|
|
|
|
wpa_printf(MSG_DEBUG,
|
|
|
|
"MLME-MICHAELMICFAILURE.indication "
|
|
|
|
"without sender address ignored");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
pos += 5;
|
|
|
|
if (hwaddr_aton(pos, addr) == 0) {
|
2009-12-13 14:17:11 -05:00
|
|
|
union wpa_event_data data;
|
|
|
|
os_memset(&data, 0, sizeof(data));
|
|
|
|
data.michael_mic_failure.unicast = 1;
|
|
|
|
data.michael_mic_failure.src = addr;
|
|
|
|
wpa_supplicant_event(drv->hapd,
|
|
|
|
EVENT_MICHAEL_MIC_FAILURE, &data);
|
2009-04-09 06:40:12 -04:00
|
|
|
} else {
|
|
|
|
wpa_printf(MSG_DEBUG,
|
|
|
|
"MLME-MICHAELMICFAILURE.indication "
|
|
|
|
"with invalid MAC address");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void hostapd_wireless_event_wireless(struct hostap_driver_data *drv,
|
2015-10-18 12:07:43 -04:00
|
|
|
char *data, unsigned int len)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct iw_event iwe_buf, *iwe = &iwe_buf;
|
|
|
|
char *pos, *end, *custom, *buf;
|
|
|
|
|
|
|
|
pos = data;
|
|
|
|
end = data + len;
|
|
|
|
|
2015-10-18 12:07:43 -04:00
|
|
|
while ((size_t) (end - pos) >= IW_EV_LCP_LEN) {
|
2009-04-09 06:40:12 -04:00
|
|
|
/* Event data may be unaligned, so make a local, aligned copy
|
|
|
|
* before processing. */
|
|
|
|
memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
|
|
|
|
wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
|
|
|
|
iwe->cmd, iwe->len);
|
2015-10-18 12:07:43 -04:00
|
|
|
if (iwe->len <= IW_EV_LCP_LEN || iwe->len > end - pos)
|
2009-04-09 06:40:12 -04:00
|
|
|
return;
|
|
|
|
|
|
|
|
custom = pos + IW_EV_POINT_LEN;
|
|
|
|
if (drv->we_version > 18 &&
|
|
|
|
(iwe->cmd == IWEVMICHAELMICFAILURE ||
|
|
|
|
iwe->cmd == IWEVCUSTOM)) {
|
|
|
|
/* WE-19 removed the pointer from struct iw_point */
|
|
|
|
char *dpos = (char *) &iwe_buf.u.data.length;
|
|
|
|
int dlen = dpos - (char *) &iwe_buf;
|
|
|
|
memcpy(dpos, pos + IW_EV_LCP_LEN,
|
|
|
|
sizeof(struct iw_event) - dlen);
|
|
|
|
} else {
|
|
|
|
memcpy(&iwe_buf, pos, sizeof(struct iw_event));
|
|
|
|
custom += IW_EV_POINT_OFF;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (iwe->cmd) {
|
|
|
|
case IWEVCUSTOM:
|
2015-10-18 12:07:43 -04:00
|
|
|
if (iwe->u.data.length > end - custom)
|
2009-04-09 06:40:12 -04:00
|
|
|
return;
|
|
|
|
buf = malloc(iwe->u.data.length + 1);
|
|
|
|
if (buf == NULL)
|
|
|
|
return;
|
|
|
|
memcpy(buf, custom, iwe->u.data.length);
|
|
|
|
buf[iwe->u.data.length] = '\0';
|
|
|
|
hostapd_wireless_event_wireless_custom(drv, buf);
|
|
|
|
free(buf);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
pos += iwe->len;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-12-18 11:24:13 -05:00
|
|
|
static void hostapd_wireless_event_rtm_newlink(void *ctx,
|
|
|
|
struct ifinfomsg *ifi,
|
|
|
|
u8 *buf, size_t len)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
2009-12-18 11:24:13 -05:00
|
|
|
struct hostap_driver_data *drv = ctx;
|
|
|
|
int attrlen, rta_len;
|
|
|
|
struct rtattr *attr;
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
/* TODO: use ifi->ifi_index to filter out wireless events from other
|
|
|
|
* interfaces */
|
|
|
|
|
2009-12-18 11:24:13 -05:00
|
|
|
attrlen = len;
|
|
|
|
attr = (struct rtattr *) buf;
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
rta_len = RTA_ALIGN(sizeof(struct rtattr));
|
|
|
|
while (RTA_OK(attr, attrlen)) {
|
|
|
|
if (attr->rta_type == IFLA_WIRELESS) {
|
|
|
|
hostapd_wireless_event_wireless(
|
|
|
|
drv, ((char *) attr) + rta_len,
|
|
|
|
attr->rta_len - rta_len);
|
|
|
|
}
|
|
|
|
attr = RTA_NEXT(attr, attrlen);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_get_we_version(struct hostap_driver_data *drv)
|
|
|
|
{
|
|
|
|
struct iw_range *range;
|
|
|
|
struct iwreq iwr;
|
|
|
|
int minlen;
|
|
|
|
size_t buflen;
|
|
|
|
|
|
|
|
drv->we_version = 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Use larger buffer than struct iw_range in order to allow the
|
|
|
|
* structure to grow in the future.
|
|
|
|
*/
|
|
|
|
buflen = sizeof(struct iw_range) + 500;
|
|
|
|
range = os_zalloc(buflen);
|
|
|
|
if (range == NULL)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
memset(&iwr, 0, sizeof(iwr));
|
|
|
|
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
|
|
|
|
iwr.u.data.pointer = (caddr_t) range;
|
|
|
|
iwr.u.data.length = buflen;
|
|
|
|
|
|
|
|
minlen = ((char *) &range->enc_capa) - (char *) range +
|
|
|
|
sizeof(range->enc_capa);
|
|
|
|
|
|
|
|
if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR, "ioctl[SIOCGIWRANGE]: %s",
|
|
|
|
strerror(errno));
|
|
|
|
os_free(range);
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
|
|
|
} else if (iwr.u.data.length >= minlen &&
|
|
|
|
range->we_version_compiled >= 18) {
|
|
|
|
wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
|
|
|
|
"WE(source)=%d enc_capa=0x%x",
|
|
|
|
range->we_version_compiled,
|
|
|
|
range->we_version_source,
|
|
|
|
range->enc_capa);
|
|
|
|
drv->we_version = range->we_version_compiled;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(range);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int hostap_wireless_event_init(struct hostap_driver_data *drv)
|
|
|
|
{
|
2009-12-18 11:24:13 -05:00
|
|
|
struct netlink_config *cfg;
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
hostap_get_we_version(drv);
|
|
|
|
|
2009-12-18 11:24:13 -05:00
|
|
|
cfg = os_zalloc(sizeof(*cfg));
|
|
|
|
if (cfg == NULL)
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
2009-12-18 11:24:13 -05:00
|
|
|
cfg->ctx = drv;
|
|
|
|
cfg->newlink_cb = hostapd_wireless_event_rtm_newlink;
|
|
|
|
drv->netlink = netlink_init(cfg);
|
|
|
|
if (drv->netlink == NULL) {
|
|
|
|
os_free(cfg);
|
2009-04-09 06:40:12 -04:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-04-09 16:28:21 -04:00
|
|
|
static void * hostap_init(struct hostapd_data *hapd,
|
|
|
|
struct wpa_init_params *params)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv;
|
|
|
|
|
|
|
|
drv = os_zalloc(sizeof(struct hostap_driver_data));
|
|
|
|
if (drv == NULL) {
|
|
|
|
printf("Could not allocate memory for hostapd driver data\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
drv->hapd = hapd;
|
|
|
|
drv->ioctl_sock = drv->sock = -1;
|
2009-04-09 16:28:21 -04:00
|
|
|
memcpy(drv->iface, params->ifname, sizeof(drv->iface));
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
|
|
|
|
if (drv->ioctl_sock < 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s",
|
|
|
|
strerror(errno));
|
|
|
|
os_free(drv);
|
2009-04-09 06:40:12 -04:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 1)) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR,
|
|
|
|
"Could not enable hostapd mode for interface %s",
|
|
|
|
drv->iface);
|
2009-04-09 06:40:12 -04:00
|
|
|
close(drv->ioctl_sock);
|
2014-12-24 05:43:35 -05:00
|
|
|
os_free(drv);
|
2009-04-09 06:40:12 -04:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-04-17 04:55:51 -04:00
|
|
|
if (hostap_init_sockets(drv, params->own_addr) ||
|
|
|
|
hostap_wireless_event_init(drv)) {
|
2009-04-09 06:40:12 -04:00
|
|
|
close(drv->ioctl_sock);
|
2014-12-24 05:43:35 -05:00
|
|
|
os_free(drv);
|
2009-04-09 06:40:12 -04:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return drv;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void hostap_driver_deinit(void *priv)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
|
2009-12-18 11:24:13 -05:00
|
|
|
netlink_deinit(drv->netlink);
|
2009-04-09 06:40:12 -04:00
|
|
|
(void) hostap_set_iface_flags(drv, 0);
|
|
|
|
(void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD, 0);
|
|
|
|
(void) hostap_ioctl_prism2param(drv, PRISM2_PARAM_HOSTAPD_STA, 0);
|
|
|
|
|
|
|
|
if (drv->ioctl_sock >= 0)
|
|
|
|
close(drv->ioctl_sock);
|
|
|
|
|
|
|
|
if (drv->sock >= 0)
|
|
|
|
close(drv->sock);
|
|
|
|
|
|
|
|
os_free(drv->generic_ie);
|
|
|
|
os_free(drv->wps_ie);
|
|
|
|
|
|
|
|
free(drv);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-04-17 04:37:22 -04:00
|
|
|
static int hostap_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
|
|
|
|
int reason)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct ieee80211_mgmt mgmt;
|
|
|
|
|
2011-01-09 05:50:57 -05:00
|
|
|
if (is_broadcast_ether_addr(addr)) {
|
|
|
|
/*
|
|
|
|
* New Prism2.5/3 STA firmware versions seem to have issues
|
|
|
|
* with this broadcast deauth frame. This gets the firmware in
|
|
|
|
* odd state where nothing works correctly, so let's skip
|
|
|
|
* sending this for the hostap driver.
|
|
|
|
*/
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-04-09 06:40:12 -04:00
|
|
|
memset(&mgmt, 0, sizeof(mgmt));
|
|
|
|
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
|
|
|
|
WLAN_FC_STYPE_DEAUTH);
|
|
|
|
memcpy(mgmt.da, addr, ETH_ALEN);
|
2009-04-17 04:37:22 -04:00
|
|
|
memcpy(mgmt.sa, own_addr, ETH_ALEN);
|
|
|
|
memcpy(mgmt.bssid, own_addr, ETH_ALEN);
|
2009-04-09 06:40:12 -04:00
|
|
|
mgmt.u.deauth.reason_code = host_to_le16(reason);
|
2009-04-09 12:57:20 -04:00
|
|
|
return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
|
2015-09-08 05:46:26 -04:00
|
|
|
sizeof(mgmt.u.deauth), 0, 0, NULL, 0);
|
2009-04-09 06:40:12 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-07-29 13:39:32 -04:00
|
|
|
static int hostap_set_freq(void *priv, struct hostapd_freq_params *freq)
|
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct iwreq iwr;
|
|
|
|
|
|
|
|
os_memset(&iwr, 0, sizeof(iwr));
|
|
|
|
os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
|
|
|
|
iwr.u.freq.m = freq->channel;
|
|
|
|
iwr.u.freq.e = 0;
|
|
|
|
|
|
|
|
if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
|
2014-12-24 05:43:35 -05:00
|
|
|
wpa_printf(MSG_ERROR, "ioctl[SIOCSIWFREQ]: %s",
|
|
|
|
strerror(errno));
|
2011-07-29 13:39:32 -04:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-04-17 04:37:22 -04:00
|
|
|
static int hostap_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
|
|
|
|
int reason)
|
2009-04-09 06:40:12 -04:00
|
|
|
{
|
|
|
|
struct hostap_driver_data *drv = priv;
|
|
|
|
struct ieee80211_mgmt mgmt;
|
|
|
|
|
|
|
|
memset(&mgmt, 0, sizeof(mgmt));
|
|
|
|
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
|
|
|
|
WLAN_FC_STYPE_DISASSOC);
|
|
|
|
memcpy(mgmt.da, addr, ETH_ALEN);
|
2009-04-17 04:37:22 -04:00
|
|
|
memcpy(mgmt.sa, own_addr, ETH_ALEN);
|
|
|
|
memcpy(mgmt.bssid, own_addr, ETH_ALEN);
|
2009-04-09 06:40:12 -04:00
|
|
|
mgmt.u.disassoc.reason_code = host_to_le16(reason);
|
2009-04-09 12:57:20 -04:00
|
|
|
return hostap_send_mlme(drv, (u8 *) &mgmt, IEEE80211_HDRLEN +
|
2015-09-08 05:46:26 -04:00
|
|
|
sizeof(mgmt.u.disassoc), 0, 0, NULL, 0);
|
2009-04-09 06:40:12 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct hostapd_hw_modes * hostap_get_hw_feature_data(void *priv,
|
|
|
|
u16 *num_modes,
|
|
|
|
u16 *flags)
|
|
|
|
{
|
|
|
|
struct hostapd_hw_modes *mode;
|
|
|
|
int i, clen, rlen;
|
|
|
|
const short chan2freq[14] = {
|
|
|
|
2412, 2417, 2422, 2427, 2432, 2437, 2442,
|
|
|
|
2447, 2452, 2457, 2462, 2467, 2472, 2484
|
|
|
|
};
|
|
|
|
|
|
|
|
mode = os_zalloc(sizeof(struct hostapd_hw_modes));
|
|
|
|
if (mode == NULL)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
*num_modes = 1;
|
|
|
|
*flags = 0;
|
|
|
|
|
|
|
|
mode->mode = HOSTAPD_MODE_IEEE80211B;
|
|
|
|
mode->num_channels = 14;
|
|
|
|
mode->num_rates = 4;
|
|
|
|
|
|
|
|
clen = mode->num_channels * sizeof(struct hostapd_channel_data);
|
2009-12-09 14:57:50 -05:00
|
|
|
rlen = mode->num_rates * sizeof(int);
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
mode->channels = os_zalloc(clen);
|
|
|
|
mode->rates = os_zalloc(rlen);
|
|
|
|
if (mode->channels == NULL || mode->rates == NULL) {
|
2009-11-29 11:07:08 -05:00
|
|
|
os_free(mode->channels);
|
|
|
|
os_free(mode->rates);
|
|
|
|
os_free(mode);
|
2009-04-09 06:40:12 -04:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < 14; i++) {
|
|
|
|
mode->channels[i].chan = i + 1;
|
|
|
|
mode->channels[i].freq = chan2freq[i];
|
|
|
|
/* TODO: Get allowed channel list from the driver */
|
|
|
|
if (i >= 11)
|
|
|
|
mode->channels[i].flag = HOSTAPD_CHAN_DISABLED;
|
|
|
|
}
|
|
|
|
|
2009-12-09 14:57:50 -05:00
|
|
|
mode->rates[0] = 10;
|
|
|
|
mode->rates[1] = 20;
|
|
|
|
mode->rates[2] = 55;
|
|
|
|
mode->rates[3] = 110;
|
2009-04-09 06:40:12 -04:00
|
|
|
|
|
|
|
return mode;
|
|
|
|
}
|
|
|
|
|
2011-10-20 14:03:08 -04:00
|
|
|
|
|
|
|
static void wpa_driver_hostap_poll_client(void *priv, const u8 *own_addr,
|
|
|
|
const u8 *addr, int qos)
|
|
|
|
{
|
|
|
|
struct ieee80211_hdr hdr;
|
|
|
|
|
|
|
|
os_memset(&hdr, 0, sizeof(hdr));
|
|
|
|
|
|
|
|
/*
|
|
|
|
* WLAN_FC_STYPE_NULLFUNC would be more appropriate,
|
|
|
|
* but it is apparently not retried so TX Exc events
|
|
|
|
* are not received for it.
|
|
|
|
* This is the reason the driver overrides the default
|
|
|
|
* handling.
|
|
|
|
*/
|
|
|
|
hdr.frame_control = IEEE80211_FC(WLAN_FC_TYPE_DATA,
|
|
|
|
WLAN_FC_STYPE_DATA);
|
|
|
|
|
|
|
|
hdr.frame_control |=
|
|
|
|
host_to_le16(WLAN_FC_FROMDS);
|
|
|
|
os_memcpy(hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN);
|
|
|
|
os_memcpy(hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
|
|
|
|
os_memcpy(hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
|
|
|
|
|
2015-09-08 05:46:26 -04:00
|
|
|
hostap_send_mlme(priv, (u8 *)&hdr, sizeof(hdr), 0, 0, NULL, 0);
|
2011-10-20 14:03:08 -04:00
|
|
|
}
|
|
|
|
|
2008-02-27 20:34:43 -05:00
|
|
|
|
|
|
|
const struct wpa_driver_ops wpa_driver_hostap_ops = {
|
|
|
|
.name = "hostap",
|
|
|
|
.desc = "Host AP driver (Intersil Prism2/2.5/3)",
|
2009-11-23 09:58:32 -05:00
|
|
|
.set_key = wpa_driver_hostap_set_key,
|
2009-04-09 06:40:12 -04:00
|
|
|
.hapd_init = hostap_init,
|
|
|
|
.hapd_deinit = hostap_driver_deinit,
|
|
|
|
.set_ieee8021x = hostap_set_ieee8021x,
|
|
|
|
.set_privacy = hostap_set_privacy,
|
|
|
|
.get_seqnum = hostap_get_seqnum,
|
|
|
|
.flush = hostap_flush,
|
|
|
|
.set_generic_elem = hostap_set_generic_elem,
|
|
|
|
.read_sta_data = hostap_read_sta_data,
|
|
|
|
.hapd_send_eapol = hostap_send_eapol,
|
|
|
|
.sta_set_flags = hostap_sta_set_flags,
|
|
|
|
.sta_deauth = hostap_sta_deauth,
|
|
|
|
.sta_disassoc = hostap_sta_disassoc,
|
|
|
|
.sta_remove = hostap_sta_remove,
|
|
|
|
.hapd_set_ssid = hostap_set_ssid,
|
2009-04-09 12:57:20 -04:00
|
|
|
.send_mlme = hostap_send_mlme,
|
2009-04-09 06:40:12 -04:00
|
|
|
.sta_add = hostap_sta_add,
|
|
|
|
.get_inact_sec = hostap_get_inact_sec,
|
|
|
|
.sta_clear_stats = hostap_sta_clear_stats,
|
|
|
|
.get_hw_feature_data = hostap_get_hw_feature_data,
|
2009-12-24 12:46:06 -05:00
|
|
|
.set_ap_wps_ie = hostap_set_ap_wps_ie,
|
2011-07-29 13:39:32 -04:00
|
|
|
.set_freq = hostap_set_freq,
|
2011-10-20 14:03:08 -04:00
|
|
|
.poll_client = wpa_driver_hostap_poll_client,
|
2008-02-27 20:34:43 -05:00
|
|
|
};
|