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https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-12-23 06:02:37 +01:00
netdev: Properly cleanup removed interfaces
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parent
22b599df5a
commit
295ccf62d5
55
src/netdev.c
55
src/netdev.c
@ -71,6 +71,8 @@ struct netdev {
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struct l_queue *watches;
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uint32_t next_watch_id;
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bool connected : 1;
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bool eapol_active : 1;
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bool rekey_offload_support : 1;
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};
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@ -269,15 +271,6 @@ static void netdev_free(void *data)
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l_debug("Freeing netdev %s[%d]", netdev->name, netdev->index);
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l_queue_destroy(netdev->watches, l_free);
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l_free(netdev);
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}
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static void netdev_shutdown_one(void *data, void *user_data)
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{
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struct netdev *netdev = data;
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device_remove(netdev->device);
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if (netdev->sm) {
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@ -286,8 +279,18 @@ static void netdev_shutdown_one(void *data, void *user_data)
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l_io_destroy(netdev->eapol_io);
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netdev->eapol_io = NULL;
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} else if (netdev->eapol_active)
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eapol_cancel(netdev->index);
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l_queue_destroy(netdev->watches, l_free);
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l_free(netdev);
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}
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static void netdev_shutdown_one(void *data, void *user_data)
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{
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struct netdev *netdev = data;
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netdev_set_linkmode_and_operstate(netdev->index, 0, IF_OPER_DOWN,
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netdev_operstate_down_cb,
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L_UINT_TO_PTR(netdev->index));
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@ -311,7 +314,12 @@ struct netdev *netdev_find(int ifindex)
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static void netdev_lost_beacon(struct netdev *netdev)
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{
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if (netdev->eapol_active) {
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netdev->eapol_active = false;
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eapol_cancel(netdev->index);
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}
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netdev->connected = false;
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if (!netdev->event_filter)
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return;
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@ -424,11 +432,16 @@ static void netdev_disconnect_event(struct l_genl_msg *msg,
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l_info("Received Deauthentication event, reason: %hu, from_ap: %s",
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reason_code, disconnect_by_ap ? "true" : "false");
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netdev->connected = false;
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if (netdev->eapol_active) {
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eapol_cancel(netdev->index);
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netdev->eapol_active = false;
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}
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if (!disconnect_by_ap)
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return;
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eapol_cancel(netdev->index);
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if (netdev->event_filter)
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netdev->event_filter(netdev, NETDEV_EVENT_DISCONNECT_BY_AP,
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netdev->user_data);
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@ -485,6 +498,8 @@ static void netdev_operstate_cb(bool success, void *user_data)
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l_genl_family_send(nl80211, msg, NULL, NULL, NULL);
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eapol_cancel(netdev->index);
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netdev->eapol_active = false;
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netdev->connected = false;
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result = NETDEV_RESULT_KEY_SETTING_FAILED;
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} else
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@ -515,6 +530,8 @@ static void netdev_setting_keys_failed(struct netdev *netdev,
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netdev->group_new_key_cmd_id = 0;
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eapol_cancel(netdev->index);
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netdev->eapol_active = false;
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netdev->connected = false;
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msg = netdev_build_cmd_deauthenticate(netdev,
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MPDU_REASON_CODE_UNSPECIFIED);
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@ -819,6 +836,9 @@ static void netdev_handshake_failed(uint32_t ifindex,
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l_error("4-Way Handshake failed for ifindex: %d", ifindex);
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netdev->eapol_active = false;
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netdev->connected = false;
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msg = netdev_build_cmd_deauthenticate(netdev, reason_code);
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l_genl_family_send(nl80211, msg, NULL, NULL, NULL);
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@ -899,6 +919,8 @@ static void netdev_connect_failed(struct netdev *netdev,
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netdev->eapol_io = NULL;
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}
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netdev->connected = false;
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if (netdev->connect_cb)
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netdev->connect_cb(netdev, result, netdev->user_data);
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}
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@ -937,6 +959,7 @@ static void netdev_connect_event(struct l_genl_msg *msg,
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if (netdev->sm) {
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eapol_start(netdev->index, netdev->eapol_io, netdev->sm);
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netdev->eapol_active = true;
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netdev->sm = NULL;
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netdev->eapol_io = NULL;
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@ -1045,6 +1068,9 @@ int netdev_connect(struct netdev *netdev, struct scan_bss *bss,
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{
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struct l_genl_msg *cmd_connect;
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if (netdev->connected)
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return -EISCONN;
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cmd_connect = netdev_build_cmd_connect(netdev, bss, sm);
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if (!cmd_connect) {
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l_genl_msg_unref(cmd_connect);
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@ -1061,6 +1087,8 @@ int netdev_connect(struct netdev *netdev, struct scan_bss *bss,
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netdev->user_data = user_data;
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memcpy(netdev->remote_addr, bss->addr, ETH_ALEN);
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netdev->connected = true;
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netdev->sm = sm;
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if (netdev->sm) {
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/*
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@ -1086,6 +1114,9 @@ int netdev_disconnect(struct netdev *netdev,
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{
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struct l_genl_msg *deauthenticate;
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if (!netdev->connected)
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return -ENOTCONN;
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deauthenticate = netdev_build_cmd_deauthenticate(netdev,
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MPDU_REASON_CODE_DEAUTH_LEAVING);
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if (!l_genl_family_send(nl80211, deauthenticate,
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@ -1097,8 +1128,6 @@ int netdev_disconnect(struct netdev *netdev,
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netdev->disconnect_cb = cb;
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netdev->user_data = user_data;
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eapol_cancel(netdev->index);
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return 0;
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}
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