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hostapd: Add INTERFACES ctrl_iface command

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Return a list of the available interfaces (the main BSS) and optionally
with ctrl_iface when the optional "ctrl" parameter is included. This is
useful when using UDP ctrl_iface and add interfaces using the ADD
command. After that we need to know which UDP port was assigned for the
control interface for the added interface.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
This commit is contained in:
Janusz Dziedzic 2016-03-04 10:20:29 +01:00 committed by Jouni Malinen
parent 180e5b96c3
commit 618f5d01b0
1 changed files with 48 additions and 0 deletions
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48
hostapd/ctrl_iface.c
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@ -2920,6 +2920,51 @@ error_return:
}
static int
hostapd_global_ctrl_iface_interfaces(struct hapd_interfaces *interfaces,
const char *input,
char *reply, int reply_size)
{
size_t i, j;
int res;
char *pos, *end;
struct hostapd_iface *iface;
int show_ctrl = 0;
if (input)
show_ctrl = !!os_strstr(input, "ctrl");
pos = reply;
end = reply + reply_size;
for (i = 0; i < interfaces->count; i++) {
iface = interfaces->iface[i];
for (j = 0; j < iface->num_bss; j++) {
struct hostapd_bss_config *conf;
conf = iface->conf->bss[j];
if (show_ctrl)
res = os_snprintf(pos, end - pos,
"%s ctrl_iface=%s\n",
conf->iface,
conf->ctrl_interface ?
conf->ctrl_interface : "N/A");
else
res = os_snprintf(pos, end - pos, "%s\n",
conf->iface);
if (os_snprintf_error(end - pos, res)) {
*pos = '\0';
return pos - reply;
}
pos += res;
}
}
return pos - reply;
}
static int
hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces,
char *cmd)
@ -3116,6 +3161,9 @@ static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
reply_len = os_snprintf(reply, reply_size, "OK\n");
else
reply_len = -1;
} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
reply_len = hostapd_global_ctrl_iface_interfaces(
interfaces, buf + 10, reply, sizeof(buffer));
} else {
wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
"ignored");