--- embedtools/src/dwds.c 2010/10/27 16:39:47 1.1.2.6 +++ embedtools/src/dwds.c 2010/10/28 15:45:27 1.1.2.9 @@ -53,8 +53,100 @@ sigHandler(int sig) } static int -RtMsg(struct dwds_if *wds, struct rt_msghdr *msg, size_t len) +RtMsg(struct dwds_if **wds, struct rt_msghdr *msg, size_t len) { + struct if_announcemsghdr *ifan; + const u_char *v; + struct ether_addr bssid; + char szStr[STRSIZ] = { 0 }, szCmd[MAXPATHLEN] = { 0 }; + int stat; + + assert(wds); + assert(msg); + + if (msg->rtm_version != RTM_VERSION) { + syslog(LOG_ERR, "Error:: routing message version %d not understood!\n", msg->rtm_version); + return -1; + } + + switch (msg->rtm_type) { + case RTM_IFANNOUNCE: + ifan = (struct if_announcemsghdr*) msg; + switch (ifan->ifan_what) { + case IFAN_ARRIVAL: + VERB(1) syslog(LOG_INFO, "RTM_IFANNOUNCE: if# %d, what: arrival\n", + ifan->ifan_index); + break; + case IFAN_DEPARTURE: + VERB(1) syslog(LOG_INFO, "RTM_IFANNOUNCE: if# %d, what: departure\n", + ifan->ifan_index); + wifi_destroyWDS(ifan->ifan_name, wds); + break; + } + break; + case RTM_IEEE80211: +#define V(type) ((struct type *)(&ifan[1])) + ifan = (struct if_announcemsghdr*) msg; + switch (ifan->ifan_what) { + case RTM_IEEE80211_DISASSOC: + v = cfg_GetAttribute(&cfg, CFG("dwds"), CFG("discover_on_join")); + if (!v || !strtol((char*) v, NULL, 0)) + break; + /* fall thru ... */ + case RTM_IEEE80211_LEAVE: + if (wifi_chkIface(ifan->ifan_name, ifs, nif) < 0) + break; + memcpy(&bssid, V(ieee80211_leave_event)->iev_addr, ETHER_ADDR_LEN); + VERB(1) syslog(LOG_INFO, "BSSID:%s Station leave\n", ether_ntoa(&bssid)); + if (!wifi_leaveWDS(bssid, wds)) { + /* Launch script ... */ + cfg_LoadAttribute(&cfg, CFG("dwds"), CFG("disassoc_event"), + CFG(szStr), STRSIZ, NULL); + if (*szStr) { + snprintf(szCmd, MAXPATHLEN, "%s %s %s", szStr, + ifan->ifan_name, ether_ntoa(&bssid)); + VERB(3) syslog(LOG_DEBUG, "Debug:: Command line: %s\n", szCmd); + + if ((stat = system(szCmd))) + syslog(LOG_ERR, "VAP down script %s exited " + "with status %d\n", szStr, stat); + } + } + break; + + case RTM_IEEE80211_JOIN: + case RTM_IEEE80211_REJOIN: + case RTM_IEEE80211_ASSOC: + case RTM_IEEE80211_REASSOC: + v = cfg_GetAttribute(&cfg, CFG("dwds"), CFG("discover_on_join")); + if (!v || !strtol((char*) v, NULL, 0)) + break; + /* fall thru ... */ + case RTM_IEEE80211_WDS: + memcpy(&bssid, V(ieee80211_leave_event)->iev_addr, ETHER_ADDR_LEN); + VERB(1) syslog(LOG_INFO, "BSSID:%s WDS discovery\n", ether_ntoa(&bssid)); + if (wifi_chkIface(ifan->ifan_name, ifs, nif) < 0) + break; + if (!wifi_createWDS(ifan->ifan_name, bssid, wds)) { + /* Launch script ... */ + cfg_LoadAttribute(&cfg, CFG("dwds"), CFG("assoc_event"), + CFG(szStr), STRSIZ, NULL); + if (*szStr) { + snprintf(szCmd, MAXPATHLEN, "%s %s %s", szStr, + ifan->ifan_name, ether_ntoa(&bssid)); + VERB(3) syslog(LOG_DEBUG, "Debug:: Command line: %s\n", szCmd); + + if ((stat = system(szCmd))) + syslog(LOG_ERR, "VAP up script %s exited " + "with status %d\n", szStr, stat); + } + } + break; + } +#undef V + break; + } + return 0; } @@ -101,7 +193,7 @@ main(int argc, char **argv) return 1; } - if (fg) + if (!fg) switch (fork()) { case -1: printf("Error:: when fork() #%d - %s\n", errno, strerror(errno)); @@ -134,8 +226,10 @@ main(int argc, char **argv) goto end; } - if (!(wds = wifi_buildWDS(s, ifs, nif))) + if (!(wds = wifi_buildWDS(s, ifs, nif))) { + syslog(LOG_ERR, "Error:: Go to dead ...\n"); goto end; + } while (!Kill) { len = read(s, (void*) msg, sizeof msg); @@ -143,7 +237,7 @@ main(int argc, char **argv) syslog(LOG_ERR, "Error:: read() #%d - %s\n", errno, strerror(errno)); Kill++; } else - RtMsg(wds, (struct rt_msghdr*) msg, len); + RtMsg(&wds, (struct rt_msghdr*) msg, len); } close(s);