- Fix supplicant initscript return value (rh #521807)
- Fix race when connecting to WPA-Enterprise/802.1x-enabled access points
(rh #508509)
- Don't double-scan when attempting to associate
This commit is contained in:
Daniel Williams
parent
6148147d9c
commit
25bef9cb0e
@ -5,5 +5,5 @@ diff -up wpa_supplicant-0.6.3/wpa_supplicant/dbus-wpa_supplicant.service.fedora
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[D-BUS Service]
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Name=fi.epitest.hostap.WPASupplicant
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-Exec=/sbin/wpa_supplicant -u
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+Exec=/usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -u -f /var/log/wpa_supplicant.log
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+Exec=/usr/sbin/wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.conf -B -u -f /var/log/wpa_supplicant.log -P /var/run/wpa_supplicant.pid
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User=root
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104
wpa_supplicant-0.6.9-eapol-race-fix.patch
Normal file
104
wpa_supplicant-0.6.9-eapol-race-fix.patch
Normal file
@ -0,0 +1,104 @@
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From: Jouni Malinen <jouni.malinen@atheros.com>
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Date: Fri, 4 Sep 2009 15:04:41 +0000 (+0300)
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Subject: Delay processing of EAPOL frames when not associated
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X-Git-Url: http://w1.fi/gitweb/gitweb.cgi?p=hostap.git;a=commitdiff_plain;h=1ff733383f3d5c73233ef452a738765667021609
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Delay processing of EAPOL frames when not associated
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If an EAPOL frame is received while wpa_supplicant thinks the driver is
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not associated, queue the frame for processing at the moment when the
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association event is received. This is a workaround to a race condition
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in receiving data frames and management events from the kernel.
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The pending EAPOL frame will not be processed unless an association
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event is received within 100 msec for the same BSSID.
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---
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diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
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index e5e799d..2ea9279 100644
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--- a/wpa_supplicant/events.c
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+++ b/wpa_supplicant/events.c
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@@ -943,6 +943,25 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
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eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
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eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
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}
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+
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+ if (wpa_s->pending_eapol_rx) {
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+ struct os_time now, age;
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+ os_get_time(&now);
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+ os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
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+ if (age.sec == 0 && age.usec < 100000 &&
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+ os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
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+ 0) {
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+ wpa_printf(MSG_DEBUG, "Process pending EAPOL frame "
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+ "that was received just before association "
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+ "notification");
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+ wpa_supplicant_rx_eapol(
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+ wpa_s, wpa_s->pending_eapol_rx_src,
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+ wpabuf_head(wpa_s->pending_eapol_rx),
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+ wpabuf_len(wpa_s->pending_eapol_rx));
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+ }
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+ wpabuf_free(wpa_s->pending_eapol_rx);
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+ wpa_s->pending_eapol_rx = NULL;
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+ }
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}
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diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
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index d03e9da..c68dd82 100644
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--- a/wpa_supplicant/wpa_supplicant.c
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+++ b/wpa_supplicant/wpa_supplicant.c
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@@ -405,6 +405,9 @@ static void wpa_supplicant_cleanup(struct wpa_supplicant *wpa_s)
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ieee80211_sta_deinit(wpa_s);
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wpas_wps_deinit(wpa_s);
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+
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+ wpabuf_free(wpa_s->pending_eapol_rx);
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+ wpa_s->pending_eapol_rx = NULL;
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}
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@@ -1574,6 +1577,27 @@ void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
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wpa_printf(MSG_DEBUG, "RX EAPOL from " MACSTR, MAC2STR(src_addr));
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wpa_hexdump(MSG_MSGDUMP, "RX EAPOL", buf, len);
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+ if (wpa_s->wpa_state < WPA_ASSOCIATED) {
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+ /*
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+ * There is possible race condition between receiving the
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+ * association event and the EAPOL frame since they are coming
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+ * through different paths from the driver. In order to avoid
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+ * issues in trying to process the EAPOL frame before receiving
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+ * association information, lets queue it for processing until
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+ * the association event is received.
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+ */
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+ wpa_printf(MSG_DEBUG, "Not associated - Delay processing of "
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+ "received EAPOL frame");
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+ wpabuf_free(wpa_s->pending_eapol_rx);
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+ wpa_s->pending_eapol_rx = wpabuf_alloc_copy(buf, len);
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+ if (wpa_s->pending_eapol_rx) {
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+ os_get_time(&wpa_s->pending_eapol_rx_time);
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+ os_memcpy(wpa_s->pending_eapol_rx_src, src_addr,
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+ ETH_ALEN);
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+ }
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+ return;
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+ }
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+
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
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wpa_printf(MSG_DEBUG, "Ignored received EAPOL frame since "
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"no key management is configured");
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diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
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index 63984d8..e814f86 100644
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--- a/wpa_supplicant/wpa_supplicant_i.h
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+++ b/wpa_supplicant/wpa_supplicant_i.h
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@@ -364,6 +364,10 @@ struct wpa_supplicant {
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int wps_success; /* WPS success event received */
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int blacklist_cleared;
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+ struct wpabuf *pending_eapol_rx;
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+ struct os_time pending_eapol_rx_time;
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+ u8 pending_eapol_rx_src[ETH_ALEN];
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+
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int disconnect_count;
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};
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264
wpa_supplicant-0.6.9-scan-faster.patch
Normal file
264
wpa_supplicant-0.6.9-scan-faster.patch
Normal file
@ -0,0 +1,264 @@
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diff -up wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface.c.scan-faster wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface.c
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--- wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface.c.scan-faster 2009-02-15 10:00:00.000000000 -0800
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+++ wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface.c 2009-11-29 13:35:44.517283679 -0800
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@@ -733,8 +733,9 @@ static int wpa_supplicant_ctrl_iface_sca
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static int wpa_supplicant_ctrl_iface_select_network(
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struct wpa_supplicant *wpa_s, char *cmd)
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{
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- int id;
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+ int id, timeout, do_scan = 1;
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struct wpa_ssid *ssid;
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+ struct os_time now;
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/* cmd: "<network id>" or "any" */
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if (os_strcmp(cmd, "any") == 0) {
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@@ -745,7 +746,22 @@ static int wpa_supplicant_ctrl_iface_sel
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ssid = ssid->next;
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}
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wpa_s->reassociate = 1;
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- wpa_supplicant_req_scan(wpa_s, 0, 0);
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+
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+ /* Just associate and don't request a scan if the latest
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+ * scan results are less than 10 seconds old.
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+ */
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+ if (os_get_time(&now) == 0) {
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+ now.sec -= 10;
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+ if (os_time_before(&now, &(wpa_s->last_scan))) {
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+ if (wpa_supplicant_select_bss_and_associate (
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+ wpa_s, &timeout) >= 0) {
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+ do_scan = 0;
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+ }
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+ }
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+ }
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+
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+ if (do_scan)
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+ wpa_supplicant_req_scan(wpa_s, 0, 0);
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return 0;
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}
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diff -up wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface_dbus_handlers.c.scan-faster wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface_dbus_handlers.c
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--- wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface_dbus_handlers.c.scan-faster 2009-11-29 13:35:44.511309733 -0800
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+++ wpa_supplicant-0.6.8/wpa_supplicant/ctrl_iface_dbus_handlers.c 2009-11-29 13:35:44.518283666 -0800
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@@ -1073,7 +1073,8 @@ DBusMessage * wpas_dbus_iface_select_net
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wpa_supplicant_req_scan(wpa_s, 0, 0);
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} else {
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const char *obj_path;
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- int nid;
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+ int nid, timeout, do_scan = 1;
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+ struct os_time now;
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if (!dbus_message_get_args(message, NULL,
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DBUS_TYPE_OBJECT_PATH, &op,
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@@ -1124,7 +1125,22 @@ DBusMessage * wpas_dbus_iface_select_net
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}
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wpa_s->disconnected = 0;
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wpa_s->reassociate = 1;
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- wpa_supplicant_req_scan(wpa_s, 0, 0);
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+
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+ /* Just associate and don't request a scan if the latest
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+ * scan results are less than 10 seconds old.
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+ */
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+ if (os_get_time(&now) == 0) {
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+ now.sec -= 10;
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+ if (os_time_before(&now, &(wpa_s->last_scan))) {
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+ if (wpa_supplicant_select_bss_and_associate (
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+ wpa_s, &timeout) >= 0) {
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+ do_scan = 0;
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+ }
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+ }
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+ }
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+
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+ if (do_scan)
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+ wpa_supplicant_req_scan(wpa_s, 0, 0);
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}
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reply = wpas_dbus_new_success_reply(message);
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diff -up wpa_supplicant-0.6.8/wpa_supplicant/events.c.scan-faster wpa_supplicant-0.6.8/wpa_supplicant/events.c
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--- wpa_supplicant-0.6.8/wpa_supplicant/events.c.scan-faster 2009-11-29 13:35:44.512309091 -0800
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+++ wpa_supplicant-0.6.8/wpa_supplicant/events.c 2009-11-29 13:47:07.789286282 -0800
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@@ -683,43 +683,17 @@ wpa_supplicant_select_bss(struct wpa_sup
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}
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-static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
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-{
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- int prio, timeout;
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- struct wpa_scan_res *selected = NULL;
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- struct wpa_ssid *ssid = NULL;
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+/* Returns 0 on success; -1 when no BSS has been selected */
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+int
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+wpa_supplicant_select_bss_and_associate (struct wpa_supplicant *wpa_s,
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+ int *out_timeout)
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+ {
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+ struct wpa_scan_res *selected = NULL;
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+ struct wpa_ssid *ssid = NULL;
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+ int prio;
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int qual = 0, max_qual = 0, qual_valid = 0, bssid_valid = 0, i;
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struct cur_ap cur;
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- wpa_supplicant_notify_scanning(wpa_s, 0);
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-
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- if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
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- if (wpa_s->conf->ap_scan == 2)
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- return;
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- wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
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- "scanning again");
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- timeout = 1;
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- goto req_scan;
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- }
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-
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- /*
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- * Don't post the results if this was the initial cached
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- * and there were no results.
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- */
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- if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
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- wpa_s->scan_res->num == 0) {
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- wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
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- "empty - not posting");
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- } else {
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- wpa_msg(wpa_s, MSG_DEBUG, WPA_EVENT_SCAN_RESULTS);
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- wpa_supplicant_dbus_notify_scan_results(wpa_s);
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- wpas_wps_notify_scan_results(wpa_s);
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- }
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-
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- if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)) ||
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- wpa_s->disconnected)
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- return;
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-
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/* Get current driver BSSID and signal strength */
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os_memset(&cur, 0, sizeof(cur));
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@@ -772,40 +746,84 @@ static void wpa_supplicant_event_scan_re
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}
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}
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|
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- if (selected) {
|
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- if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
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- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
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- "PBC session overlap");
|
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- timeout = 10;
|
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- goto req_scan;
|
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- }
|
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-
|
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- /* Do not trigger new association unless the BSSID has changed
|
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- * or if reassociation is requested. If we are in process of
|
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- * associating with the selected BSSID, do not trigger new
|
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- * attempt. */
|
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- if (wpa_s->reassociate ||
|
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- (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
|
||||
- (wpa_s->wpa_state != WPA_ASSOCIATING ||
|
||||
- os_memcmp(selected->bssid, wpa_s->pending_bssid,
|
||||
- ETH_ALEN) != 0))) {
|
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- if (wpa_supplicant_scard_init(wpa_s, ssid)) {
|
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- wpa_supplicant_req_scan(wpa_s, 10, 0);
|
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- return;
|
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- }
|
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- wpa_supplicant_associate(wpa_s, selected, ssid);
|
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- } else {
|
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- wpa_printf(MSG_DEBUG, "Already associated with the "
|
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- "selected AP.");
|
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+ if (!selected) {
|
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+ *out_timeout = 5;
|
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+ return -1;
|
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+ }
|
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+
|
||||
+ if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
|
||||
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
|
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+ "PBC session overlap");
|
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+ *out_timeout = 10;
|
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+ return -1;
|
||||
+ }
|
||||
+
|
||||
+ /* Do not trigger new association unless the BSSID has changed
|
||||
+ * or if reassociation is requested. If we are in process of
|
||||
+ * associating with the selected BSSID, do not trigger new
|
||||
+ * attempt. */
|
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+ if (wpa_s->reassociate ||
|
||||
+ (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
|
||||
+ (wpa_s->wpa_state != WPA_ASSOCIATING ||
|
||||
+ os_memcmp(selected->bssid, wpa_s->pending_bssid,
|
||||
+ ETH_ALEN) != 0))) {
|
||||
+ if (wpa_supplicant_scard_init(wpa_s, ssid)) {
|
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+ *out_timeout = 10;
|
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+ return -1;
|
||||
}
|
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- rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
|
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+ wpa_supplicant_associate(wpa_s, selected, ssid);
|
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} else {
|
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- wpa_printf(MSG_DEBUG, "No suitable AP found.");
|
||||
- timeout = 5;
|
||||
+ wpa_printf(MSG_DEBUG, "Already associated with the "
|
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+ "selected AP.");
|
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+ }
|
||||
+
|
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+ return 0;
|
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+}
|
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+
|
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+static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
|
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+{
|
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+ int timeout;
|
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+
|
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+ wpa_supplicant_notify_scanning(wpa_s, 0);
|
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+
|
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+ if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
|
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+ if (wpa_s->conf->ap_scan == 2)
|
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+ return;
|
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+ wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
|
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+ "scanning again");
|
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+ timeout = 1;
|
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goto req_scan;
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}
|
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|
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- return;
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+ /*
|
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+ * Don't post the results if this was the initial cached
|
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+ * and there were no results.
|
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+ */
|
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+ if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
|
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+ wpa_s->scan_res->num == 0) {
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+ wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
|
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+ "empty - not posting");
|
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+ } else {
|
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+ wpa_msg(wpa_s, MSG_DEBUG, WPA_EVENT_SCAN_RESULTS);
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+ wpa_supplicant_dbus_notify_scan_results(wpa_s);
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+ wpas_wps_notify_scan_results(wpa_s);
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+ }
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+
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+ /* Update scan timestamp if there are any scan results */
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+ if (wpa_s->scan_res->num > 0)
|
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+ os_get_time(&(wpa_s->last_scan));
|
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+
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+ if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)) ||
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+ wpa_s->disconnected)
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+ return;
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+
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+ /* Find a BSS and kick off an association with it */
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+ if (wpa_supplicant_select_bss_and_associate(wpa_s, &timeout) == 0) {
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+ rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
|
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+ return;
|
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+ } else {
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+ wpa_printf(MSG_DEBUG, "No suitable AP found.");
|
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+ }
|
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|
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req_scan:
|
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if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
|
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diff -up wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h.scan-faster wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h
|
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--- wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h.scan-faster 2009-11-29 13:35:44.514283924 -0800
|
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+++ wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h 2009-11-29 13:35:44.520285108 -0800
|
||||
@@ -347,6 +347,7 @@ struct wpa_supplicant {
|
||||
* to speed up the first association if the driver
|
||||
* has already available scan results. */
|
||||
int scan_runs; /* number of scan runs since WPS was started */
|
||||
+ struct os_time last_scan; /* timestamp of last scan results */
|
||||
|
||||
struct wpa_client_mlme mlme;
|
||||
int use_client_mlme;
|
||||
@@ -415,6 +416,8 @@ void wpa_supplicant_notify_scanning(stru
|
||||
|
||||
/* events.c */
|
||||
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
|
||||
+int wpa_supplicant_select_bss_and_associate (struct wpa_supplicant *wpa_s,
|
||||
+ int *out_timeout);
|
||||
|
||||
/* driver_ops */
|
||||
static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
|
||||
@ -2,7 +2,7 @@ Summary: WPA/WPA2/IEEE 802.1X Supplicant
|
||||
Name: wpa_supplicant
|
||||
Epoch: 1
|
||||
Version: 0.6.8
|
||||
Release: 6%{?dist}
|
||||
Release: 7%{?dist}
|
||||
License: BSD
|
||||
Group: System Environment/Base
|
||||
Source0: http://hostap.epitest.fi/releases/%{name}-%{version}.tar.gz
|
||||
@ -22,6 +22,8 @@ Patch7: wpa_supplicant-0.6.8-disconnect-init-deinit.patch
|
||||
Patch8: wpa_supplicant-0.6.8-handle-driver-disconnect-spam.patch
|
||||
Patch9: wpa_supplicant-0.6.8-ap-stability.patch
|
||||
Patch10: wpa_supplicant-0.6.8-scanning-property.patch
|
||||
Patch11: wpa_supplicant-0.6.9-scan-faster.patch
|
||||
Patch12: wpa_supplicant-0.6.9-eapol-race-fix.patch
|
||||
|
||||
URL: http://w1.fi/wpa_supplicant/
|
||||
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
|
||||
@ -59,6 +61,8 @@ Graphical User Interface for wpa_supplicant written using QT3
|
||||
%patch8 -p1 -b .disconnect-spam
|
||||
%patch9 -p1 -b .ap-stability
|
||||
%patch10 -p1 -b .scanning-property
|
||||
%patch11 -p1 -b .scan-faster
|
||||
%patch12 -p1 -b .eapol-race-fix
|
||||
|
||||
%build
|
||||
pushd wpa_supplicant
|
||||
@ -149,6 +153,11 @@ fi
|
||||
%{_bindir}/wpa_gui
|
||||
|
||||
%changelog
|
||||
* Sun Nov 29 2009 Dan Williams <dcbw@redhat.com> - 1:0.6.8-7
|
||||
- Fix supplicant initscript return value (rh #521807)
|
||||
- Fix race when connecting to WPA-Enterprise/802.1x-enabled access points (rh #508509)
|
||||
- Don't double-scan when attempting to associate
|
||||
|
||||
* Fri Aug 21 2009 Tomas Mraz <tmraz@redhat.com> - 1:0.6.8-6
|
||||
- rebuilt with new openssl
|
||||
|
||||
|
||||
@ -9,4 +9,8 @@ DRIVERS=""
|
||||
# Other arguments
|
||||
# -u Enable the D-Bus interface (required for use with NetworkManager)
|
||||
# -f Log to /var/log/wpa_supplicant.log
|
||||
OTHER_ARGS="-u -f /var/log/wpa_supplicant.log"
|
||||
# -P Write pid file to /var/run/wpa_supplicant.pid
|
||||
# required to return proper codes by init scripts (e.g. double "start" action)
|
||||
# -B to daemonize that has to be used together with -P is already in wpa_supplicant.init.d
|
||||
OTHER_ARGS="-u -f /var/log/wpa_supplicant.log -P /var/run/wpa_supplicant.pid"
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user