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wpa_cli: Add support for remote access

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wpa_cli can be used now as a client for remote access to ctrl_interface
of wpa_supplicant when UDP and remote options are used.

You can simply run:
wpa_cli -i <hostname>:[port]
wpa_cli -i <IP>:[port]

Signed-hostap: Janusz Dziedzic <janusz.dziedzic@tieto.com>
This commit is contained in:
Janusz Dziedzic 2012-08-05 20:09:22 +03:00 committed by Jouni Malinen
parent afadf423db
commit d302edd3c4
1 changed files with 44 additions and 0 deletions
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44
src/common/wpa_ctrl.c
View file

@ -15,6 +15,9 @@
#include <unistd.h>
#include <fcntl.h>
#endif /* CONFIG_CTRL_IFACE_UNIX */
#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
#include <netdb.h>
#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
#ifdef ANDROID
#include <dirent.h>
@ -246,6 +249,9 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
struct wpa_ctrl *ctrl;
char buf[128];
size_t len;
#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
struct hostent *h;
#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
ctrl = os_malloc(sizeof(*ctrl));
if (ctrl == NULL)
@ -260,7 +266,11 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
}
ctrl->local.sin_family = AF_INET;
#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
ctrl->local.sin_addr.s_addr = INADDR_ANY;
#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */
ctrl->local.sin_addr.s_addr = htonl((127 << 24) | 1);
#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
if (bind(ctrl->s, (struct sockaddr *) &ctrl->local,
sizeof(ctrl->local)) < 0) {
close(ctrl->s);
@ -271,6 +281,40 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
ctrl->dest.sin_family = AF_INET;
ctrl->dest.sin_addr.s_addr = htonl((127 << 24) | 1);
ctrl->dest.sin_port = htons(WPA_CTRL_IFACE_PORT);
#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
if (ctrl_path) {
char *port, *name;
int port_id;
name = os_strdup(ctrl_path);
if (name == NULL) {
close(ctrl->s);
os_free(ctrl);
return NULL;
}
port = os_strchr(name, ':');
if (port) {
port_id = atoi(&port[1]);
port[0] = '\0';
} else
port_id = WPA_CTRL_IFACE_PORT;
h = gethostbyname(name);
os_free(name);
if (h == NULL) {
perror("gethostbyname");
close(ctrl->s);
os_free(ctrl);
return NULL;
}
ctrl->dest.sin_port = htons(port_id);
os_memcpy(h->h_addr, (char *) &ctrl->dest.sin_addr.s_addr,
h->h_length);
}
#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest,
sizeof(ctrl->dest)) < 0) {
perror("connect");