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git://projects.qi-hardware.com/openwrt-xburst.git
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Upgrade wpa_supplicant to 0.6.3 and add some improvements (mainly for roaming with ap_scan=1)
Remove arch specific config files (they seem rather pointless) Remove the dependency on OpenSSL (use small built-in SSL functions) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11833 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
167
package/wpa_supplicant/patches/130-scanning.patch
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167
package/wpa_supplicant/patches/130-scanning.patch
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@@ -0,0 +1,167 @@
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Add a scan result cache to improve roaming speed if the driver gave us a background scan before losing the connection.
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Index: wpa_supplicant-0.6.3/wpa_supplicant/config.h
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/config.h 2008-02-23 03:45:24.000000000 +0100
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+++ wpa_supplicant-0.6.3/wpa_supplicant/config.h 2008-07-10 15:08:21.000000000 +0200
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@@ -97,6 +97,12 @@
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int ap_scan;
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/**
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+ * scan_cache - controls the time in seconds after the last scan results
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+ * before a new scan may be initiated
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+ */
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+ int scan_cache;
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+
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+ /**
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* ctrl_interface - Parameters for the control interface
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*
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* If this is specified, %wpa_supplicant will open a control interface
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Index: wpa_supplicant-0.6.3/wpa_supplicant/config_file.c
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/config_file.c 2008-02-23 03:45:24.000000000 +0100
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+++ wpa_supplicant-0.6.3/wpa_supplicant/config_file.c 2008-07-10 15:59:38.000000000 +0200
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@@ -312,6 +312,13 @@
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return 0;
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}
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+static int wpa_config_process_scan_cache(struct wpa_config *config, char *pos)
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+{
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+ config->scan_cache = atoi(pos);
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+ wpa_printf(MSG_DEBUG, "scan_cache=%d", config->scan_cache);
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+ return 0;
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+}
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+
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static int wpa_config_process_fast_reauth(struct wpa_config *config, char *pos)
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{
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@@ -445,6 +452,9 @@
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if (os_strncmp(pos, "ap_scan=", 8) == 0)
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return wpa_config_process_ap_scan(config, pos + 8);
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+ if (os_strncmp(pos, "scan_cache=", 11) == 0)
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+ return wpa_config_process_scan_cache(config, pos + 11);
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+
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if (os_strncmp(pos, "fast_reauth=", 12) == 0)
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return wpa_config_process_fast_reauth(config, pos + 12);
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@@ -810,6 +820,8 @@
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fprintf(f, "eapol_version=%d\n", config->eapol_version);
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if (config->ap_scan != DEFAULT_AP_SCAN)
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fprintf(f, "ap_scan=%d\n", config->ap_scan);
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+ if (config->scan_cache != 0)
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+ fprintf(f, "scan_cache=%d\n", config->scan_cache);
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if (config->fast_reauth != DEFAULT_FAST_REAUTH)
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fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
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#ifdef EAP_TLS_OPENSSL
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Index: wpa_supplicant-0.6.3/wpa_supplicant/events.c
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/events.c 2008-07-10 13:27:03.000000000 +0200
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+++ wpa_supplicant-0.6.3/wpa_supplicant/events.c 2008-07-10 17:18:53.000000000 +0200
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@@ -555,6 +555,9 @@
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if (wpa_s->conf->ap_scan == 2 || wpa_s->disconnected)
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return;
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+ if (wpa_s->wpa_state > WPA_ASSOCIATED)
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+ goto done;
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+
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while (selected == NULL) {
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for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
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selected = wpa_supplicant_select_bss(
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@@ -594,13 +597,16 @@
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rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
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} else {
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wpa_printf(MSG_DEBUG, "No suitable AP found.");
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- timeout = 5;
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+ timeout = 1;
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goto req_scan;
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}
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+done:
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+ os_get_time(&wpa_s->last_scan_results);
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return;
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req_scan:
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+ memset(&wpa_s->last_scan_results, 0, sizeof(wpa_s->last_scan_results));
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if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
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/*
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* Quick recovery if the initial scan results were not
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@@ -804,6 +810,9 @@
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}
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if (wpa_s->wpa_state >= WPA_ASSOCIATED)
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wpa_supplicant_req_scan(wpa_s, 0, 100000);
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+ else if (wpa_s->wpa_state == WPA_ASSOCIATING)
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+ wpa_supplicant_req_auth_timeout(wpa_s, 0, 100000);
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+
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bssid = wpa_s->bssid;
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if (os_memcmp(bssid, "\x00\x00\x00\x00\x00\x00", ETH_ALEN) == 0)
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bssid = wpa_s->pending_bssid;
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Index: wpa_supplicant-0.6.3/wpa_supplicant/wpa_supplicant_i.h
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/wpa_supplicant_i.h 2008-07-10 15:03:56.000000000 +0200
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+++ wpa_supplicant-0.6.3/wpa_supplicant/wpa_supplicant_i.h 2008-07-10 15:16:17.000000000 +0200
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@@ -334,6 +334,7 @@
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struct wpa_client_mlme mlme;
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int use_client_mlme;
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int driver_4way_handshake;
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+ struct os_time last_scan_results;
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};
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@@ -381,6 +382,7 @@
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/* scan.c */
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void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
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+int wpa_supplicant_may_scan(struct wpa_supplicant *wpa_s);
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void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
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/* events.c */
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Index: wpa_supplicant-0.6.3/wpa_supplicant/scan.c
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/scan.c 2008-07-10 13:27:03.000000000 +0200
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+++ wpa_supplicant-0.6.3/wpa_supplicant/scan.c 2008-07-10 16:24:31.000000000 +0200
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@@ -40,6 +40,18 @@
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wpa_supplicant_event(wpa_s, EVENT_ASSOC, &data);
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}
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+int wpa_supplicant_may_scan(struct wpa_supplicant *wpa_s)
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+{
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+ struct os_time time;
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+
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+ if (wpa_s->conf->scan_cache > 0) {
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+ os_get_time(&time);
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+ time.sec -= wpa_s->conf->scan_cache;
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+ if (os_time_before(&time, &wpa_s->last_scan_results))
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+ return 0;
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+ }
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+ return 1;
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+}
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static void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx)
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{
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@@ -150,8 +162,9 @@
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} else
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wpa_s->prev_scan_ssid = BROADCAST_SSID_SCAN;
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- if (wpa_s->scan_res_tried == 0 && wpa_s->conf->ap_scan == 1 &&
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- !wpa_s->use_client_mlme) {
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+ if (!wpa_supplicant_may_scan(wpa_s) ||
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+ (wpa_s->scan_res_tried == 0 && wpa_s->conf->ap_scan == 1 &&
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+ !wpa_s->use_client_mlme)) {
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wpa_s->scan_res_tried++;
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wpa_printf(MSG_DEBUG, "Trying to get current scan results "
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"first without requesting a new scan to speed up "
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Index: wpa_supplicant-0.6.3/wpa_supplicant/wpa_supplicant.c
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===================================================================
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--- wpa_supplicant-0.6.3.orig/wpa_supplicant/wpa_supplicant.c 2008-07-10 14:41:16.000000000 +0200
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+++ wpa_supplicant-0.6.3/wpa_supplicant/wpa_supplicant.c 2008-07-10 18:45:59.000000000 +0200
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@@ -1417,6 +1417,9 @@
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{
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struct wpa_supplicant *wpa_s = ctx;
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+ if (wpa_s->wpa_state < WPA_ASSOCIATING)
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+ return;
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+
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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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