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-rw-r--r--src/common/wpa_ctrl.h3
-rw-r--r--wpa_supplicant/Android.mk5
-rw-r--r--wpa_supplicant/Makefile5
-rw-r--r--wpa_supplicant/ctrl_iface_udp.c39
-rw-r--r--wpa_supplicant/defconfig1
5 files changed, 51 insertions, 2 deletions
diff --git a/src/common/wpa_ctrl.h b/src/common/wpa_ctrl.h
index 2da58c9..27b8282 100644
--- a/src/common/wpa_ctrl.h
+++ b/src/common/wpa_ctrl.h
@@ -298,8 +298,11 @@ void wpa_ctrl_cleanup(void);
#endif /* ANDROID */
#ifdef CONFIG_CTRL_IFACE_UDP
+/* Port range for multiple wpa_supplicant instances and multiple VIFs */
#define WPA_CTRL_IFACE_PORT 9877
+#define WPA_CTRL_IFACE_PORT_LIMIT 50 /* decremented from start */
#define WPA_GLOBAL_CTRL_IFACE_PORT 9878
+#define WPA_GLOBAL_CTRL_IFACE_PORT_LIMIT 20 /* incremented from start */
#endif /* CONFIG_CTRL_IFACE_UDP */
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 27dda29..c45a510 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -1151,6 +1151,11 @@ endif
ifeq ($(CONFIG_CTRL_IFACE), named_pipe)
L_CFLAGS += -DCONFIG_CTRL_IFACE_NAMED_PIPE
endif
+ifeq ($(CONFIG_CTRL_IFACE), udp-remote)
+CONFIG_CTRL_IFACE=udp
+L_CFLAGS += -DCONFIG_CTRL_IFACE_UDP
+L_CFLAGS += -DCONFIG_CTRL_IFACE_UDP_REMOTE
+endif
OBJS += ctrl_iface.c ctrl_iface_$(CONFIG_CTRL_IFACE).c
endif
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index a7683dd..4f79f00 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -1175,6 +1175,11 @@ endif
ifeq ($(CONFIG_CTRL_IFACE), named_pipe)
CFLAGS += -DCONFIG_CTRL_IFACE_NAMED_PIPE
endif
+ifeq ($(CONFIG_CTRL_IFACE), udp-remote)
+CONFIG_CTRL_IFACE=udp
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP
+CFLAGS += -DCONFIG_CTRL_IFACE_UDP_REMOTE
+endif
OBJS += ctrl_iface.o ctrl_iface_$(CONFIG_CTRL_IFACE).o
endif
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);
diff --git a/wpa_supplicant/defconfig b/wpa_supplicant/defconfig
index e2b6cbe..711b407 100644
--- a/wpa_supplicant/defconfig
+++ b/wpa_supplicant/defconfig
@@ -232,6 +232,7 @@ CONFIG_SMARTCARD=y
# unix = UNIX domain sockets (default for Linux/*BSD)
# udp = UDP sockets using localhost (127.0.0.1)
# named_pipe = Windows Named Pipe (default for Windows)
+# udp-remote = UDP sockets with remote access (only for tests systems/purpose)
# y = use default (backwards compatibility)
# If this option is commented out, control interface is not included in the
# build.