mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-12-01 11:48:23 -05:00
nl80211: Use global nl_cb template
All interfaces can share a single nl_cb template.
This commit is contained in:
parent
dac12351d8
commit
2a7b66f574
@ -168,6 +168,7 @@ struct nl80211_global {
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struct dl_list interfaces;
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int if_add_ifindex;
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struct netlink_data *netlink;
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struct nl_cb *nl_cb;
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};
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static void nl80211_global_deinit(void *priv);
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@ -204,7 +205,6 @@ struct wpa_driver_nl80211_data {
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int scan_complete_events;
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struct nl80211_handles nl, nl_event, nl_preq;
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struct nl_cb *nl_cb;
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struct genl_family *nl80211;
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u8 auth_bssid[ETH_ALEN];
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@ -351,7 +351,7 @@ static int send_and_recv(struct wpa_driver_nl80211_data *drv,
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struct nl_cb *cb;
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int err = -ENOMEM;
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cb = nl_cb_clone(drv->nl_cb);
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cb = nl_cb_clone(drv->global->nl_cb);
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if (!cb)
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goto out;
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@ -1732,7 +1732,7 @@ static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
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wpa_printf(MSG_DEBUG, "nl80211: Event message available");
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cb = nl_cb_clone(drv->nl_cb);
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cb = nl_cb_clone(drv->global->nl_cb);
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if (!cb)
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return;
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nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
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@ -2012,23 +2012,30 @@ static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
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}
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static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global)
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{
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global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
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if (global->nl_cb == NULL) {
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wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
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"callbacks");
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return -1;
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}
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return 0;
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}
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static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
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{
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struct nl80211_global *global = drv->global;
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int ret;
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/* Initialize generic netlink and nl80211 */
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drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
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if (drv->nl_cb == NULL) {
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wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
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"callbacks");
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goto err1;
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}
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if (nl_create_handles(&drv->nl, drv->nl_cb, "nl"))
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if (nl_create_handles(&drv->nl, global->nl_cb, "nl"))
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goto err2;
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if (nl_create_handles(&drv->nl_event, drv->nl_cb, "event"))
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if (nl_create_handles(&drv->nl_event, global->nl_cb, "event"))
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goto err3;
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drv->nl80211 = genl_ctrl_search_by_name(drv->nl.cache, "nl80211");
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@ -2079,8 +2086,6 @@ err4:
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err3:
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nl_destroy_handles(&drv->nl);
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err2:
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nl_cb_put(drv->nl_cb);
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err1:
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return -1;
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}
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@ -2482,7 +2487,6 @@ static void wpa_driver_nl80211_deinit(void *priv)
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genl_family_put(drv->nl80211);
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nl_destroy_handles(&drv->nl);
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nl_destroy_handles(&drv->nl_event);
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nl_cb_put(drv->nl_cb);
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os_free(drv->filter_ssids);
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@ -6908,7 +6912,7 @@ static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
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return 0;
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}
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if (nl_create_handles(&drv->nl_preq, drv->nl_cb, "preq"))
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if (nl_create_handles(&drv->nl_preq, drv->global->nl_cb, "preq"))
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return -1;
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if (nl80211_register_frame(drv, drv->nl_preq.handle,
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@ -7164,6 +7168,9 @@ static void * nl80211_global_init(void)
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goto err;
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}
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if (wpa_driver_nl80211_init_nl_global(global) < 0)
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goto err;
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return global;
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err:
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@ -7186,6 +7193,9 @@ static void nl80211_global_deinit(void *priv)
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if (global->netlink)
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netlink_deinit(global->netlink);
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if (global->nl_cb)
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nl_cb_put(global->nl_cb);
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os_free(global);
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}
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