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Diffstat (limited to 'wpa_supplicant/ctrl_iface_udp.c')
-rw-r--r--wpa_supplicant/ctrl_iface_udp.c61
1 files changed, 45 insertions, 16 deletions
diff --git a/wpa_supplicant/ctrl_iface_udp.c b/wpa_supplicant/ctrl_iface_udp.c
index 110ca4f..8c09ba1 100644
--- a/wpa_supplicant/ctrl_iface_udp.c
+++ b/wpa_supplicant/ctrl_iface_udp.c
@@ -2,14 +2,8 @@
* WPA Supplicant / UDP socket -based control interface
* Copyright (c) 2004-2005, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
@@ -86,14 +80,14 @@ static int wpa_supplicant_ctrl_iface_detach(struct ctrl_iface_priv *priv,
while (dst) {
if (from->sin_addr.s_addr == dst->addr.sin_addr.s_addr &&
from->sin_port == dst->addr.sin_port) {
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor detached "
+ "%s:%d", inet_ntoa(from->sin_addr),
+ ntohs(from->sin_port));
if (prev == NULL)
priv->ctrl_dst = dst->next;
else
prev->next = dst->next;
os_free(dst);
- wpa_printf(MSG_DEBUG, "CTRL_IFACE monitor detached "
- "%s:%d", inet_ntoa(from->sin_addr),
- ntohs(from->sin_port));
return 0;
}
prev = dst;
@@ -169,6 +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
@@ -180,6 +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) {
@@ -257,7 +255,7 @@ static void wpa_supplicant_ctrl_iface_receive(int sock, void *eloop_ctx,
}
-static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level,
+static void wpa_supplicant_ctrl_iface_msg_cb(void *ctx, int level, int global,
const char *txt, size_t len)
{
struct wpa_supplicant *wpa_s = ctx;
@@ -272,6 +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)
@@ -291,13 +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);
@@ -320,13 +331,13 @@ void wpa_supplicant_ctrl_iface_deinit(struct ctrl_iface_priv *priv)
eloop_unregister_read_sock(priv->sock);
if (priv->ctrl_dst) {
/*
- * Wait a second before closing the control socket if
+ * Wait before closing the control socket if
* there are any attached monitors in order to allow
* them to receive any pending messages.
*/
wpa_printf(MSG_DEBUG, "CTRL_IFACE wait for attached "
"monitors to receive messages");
- os_sleep(1, 0);
+ os_sleep(0, 100000);
}
close(priv->sock);
priv->sock = -1;
@@ -448,6 +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
@@ -459,6 +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) {
@@ -508,6 +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)
@@ -529,13 +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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 07:28:35 +0000