diff options
Diffstat (limited to 'wpa_supplicant/ctrl_iface_udp.c')
| -rw-r--r-- | wpa_supplicant/ctrl_iface_udp.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/wpa_supplicant/ctrl_iface_udp.c b/wpa_supplicant/ctrl_iface_udp.c index c831e6c..994f9b1 100644 --- a/wpa_supplicant/ctrl_iface_udp.c +++ b/wpa_supplicant/ctrl_iface_udp.c @@ -163,6 +163,8 @@ static void wpa_supplicant_ctrl_iface_receive(int sock, void *eloop_ctx, perror("recvfrom(ctrl_iface)"); return; } + +#ifndef CONFIG_CTRL_IFACE_UDP_REMOTE if (from.sin_addr.s_addr != htonl((127 << 24) | 1)) { /* * The OS networking stack is expected to drop this kind of @@ -174,6 +176,8 @@ static void wpa_supplicant_ctrl_iface_receive(int sock, void *eloop_ctx, "source %s", inet_ntoa(from.sin_addr)); return; } +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ + buf[res] = '\0'; if (os_strcmp(buf, "GET_COOKIE") == 0) { @@ -266,6 +270,7 @@ wpa_supplicant_ctrl_iface_init(struct wpa_supplicant *wpa_s) { struct ctrl_iface_priv *priv; struct sockaddr_in addr; + int port = WPA_CTRL_IFACE_PORT; priv = os_zalloc(sizeof(*priv)); if (priv == NULL) @@ -285,13 +290,25 @@ wpa_supplicant_ctrl_iface_init(struct wpa_supplicant *wpa_s) os_memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; +#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE + addr.sin_addr.s_addr = INADDR_ANY; +#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ addr.sin_addr.s_addr = htonl((127 << 24) | 1); - addr.sin_port = htons(WPA_CTRL_IFACE_PORT); +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ +try_again: + addr.sin_port = htons(port); if (bind(priv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) { + port--; + if ((WPA_CTRL_IFACE_PORT - port) < WPA_CTRL_IFACE_PORT_LIMIT) + goto try_again; perror("bind(AF_INET)"); goto fail; } +#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE + wpa_msg(wpa_s, MSG_DEBUG, "ctrl_iface_init UDP port: %d", port); +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ + eloop_register_read_sock(priv->sock, wpa_supplicant_ctrl_iface_receive, wpa_s, priv); wpa_msg_register_cb(wpa_supplicant_ctrl_iface_msg_cb); @@ -442,6 +459,8 @@ static void wpa_supplicant_global_ctrl_iface_receive(int sock, void *eloop_ctx, perror("recvfrom(ctrl_iface)"); return; } + +#ifndef CONFIG_CTRL_IFACE_UDP_REMOTE if (from.sin_addr.s_addr != htonl((127 << 24) | 1)) { /* * The OS networking stack is expected to drop this kind of @@ -453,6 +472,8 @@ static void wpa_supplicant_global_ctrl_iface_receive(int sock, void *eloop_ctx, "source %s", inet_ntoa(from.sin_addr)); return; } +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ + buf[res] = '\0'; if (os_strcmp(buf, "GET_COOKIE") == 0) { @@ -502,6 +523,7 @@ wpa_supplicant_global_ctrl_iface_init(struct wpa_global *global) { struct ctrl_iface_global_priv *priv; struct sockaddr_in addr; + int port = WPA_GLOBAL_CTRL_IFACE_PORT; priv = os_zalloc(sizeof(*priv)); if (priv == NULL) @@ -523,13 +545,26 @@ wpa_supplicant_global_ctrl_iface_init(struct wpa_global *global) os_memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; +#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE + addr.sin_addr.s_addr = INADDR_ANY; +#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ addr.sin_addr.s_addr = htonl((127 << 24) | 1); - addr.sin_port = htons(WPA_GLOBAL_CTRL_IFACE_PORT); +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ +try_again: + addr.sin_port = htons(port); if (bind(priv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) { + port++; + if ((port - WPA_GLOBAL_CTRL_IFACE_PORT) < + WPA_GLOBAL_CTRL_IFACE_PORT_LIMIT) + goto try_again; perror("bind(AF_INET)"); goto fail; } +#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE + wpa_printf(MSG_DEBUG, "global_ctrl_iface_init UDP port: %d", port); +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ + eloop_register_read_sock(priv->sock, wpa_supplicant_global_ctrl_iface_receive, global, priv); |