From 56e2fc2c31aa36ccc60e87868365f3f36ebbb42b Mon Sep 17 00:00:00 2001 From: Janusz Dziedzic Date: Fri, 4 Mar 2016 10:20:27 +0100 Subject: [PATCH] wpa_supplicant: Add ctrl parameter to INTERFACES command "INTERFACES ctrl" can now be used to fetch a list of network interfaces and their control interfaces, e.g., to fetch the UDP port information for the control interface. Signed-off-by: Janusz Dziedzic --- wpa_supplicant/ctrl_iface.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c index f585b9265..be0cf5c68 100644 --- a/wpa_supplicant/ctrl_iface.c +++ b/wpa_supplicant/ctrl_iface.c @@ -55,6 +55,7 @@ static int wpa_supplicant_global_iface_list(struct wpa_global *global, char *buf, int len); static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global, + const char *input, char *buf, int len); static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val); @@ -8842,9 +8843,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s, } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) { reply_len = wpa_supplicant_global_iface_list( wpa_s->global, reply, reply_size); - } else if (os_strcmp(buf, "INTERFACES") == 0) { + } else if (os_strncmp(buf, "INTERFACES", 10) == 0) { reply_len = wpa_supplicant_global_iface_interfaces( - wpa_s->global, reply, reply_size); + wpa_s->global, buf + 10, reply, reply_size); } else if (os_strncmp(buf, "BSS ", 4) == 0) { reply_len = wpa_supplicant_ctrl_iface_bss( wpa_s, buf + 4, reply, reply_size); @@ -9250,18 +9251,31 @@ static int wpa_supplicant_global_iface_list(struct wpa_global *global, static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global, + const char *input, char *buf, int len) { int res; char *pos, *end; struct wpa_supplicant *wpa_s; + int show_ctrl = 0; + + if (input) + show_ctrl = !!os_strstr(input, "ctrl"); wpa_s = global->ifaces; pos = buf; end = buf + len; while (wpa_s) { - res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname); + if (show_ctrl) + res = os_snprintf(pos, end - pos, "%s ctrl_iface=%s\n", + wpa_s->ifname, + wpa_s->conf->ctrl_interface ? + wpa_s->conf->ctrl_interface : "N/A"); + else + res = os_snprintf(pos, end - pos, "%s\n", + wpa_s->ifname); + if (os_snprintf_error(end - pos, res)) { *pos = '\0'; break; @@ -9650,9 +9664,9 @@ char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global, } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) { reply_len = wpa_supplicant_global_iface_list( global, reply, reply_size); - } else if (os_strcmp(buf, "INTERFACES") == 0) { + } else if (os_strncmp(buf, "INTERFACES", 10) == 0) { reply_len = wpa_supplicant_global_iface_interfaces( - global, reply, reply_size); + global, buf + 10, reply, reply_size); #ifdef CONFIG_FST } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) { reply_len = wpas_global_ctrl_iface_fst_attach(global, buf + 11,