jeltz/hostap
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Interworking: Add optional freq argument to INTERWORKING_SELECT

Browse source 
This can be used to limit which channels are scanned using the specified
list of frequency ranges in the same format that the SCAN command uses.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-01-05 12:25:13 +02:00
parent a09ffd5f2f
commit 356d1488c4
3 changed files with 74 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

98
wpa_supplicant/ctrl_iface.c
View file

@ -4664,7 +4664,68 @@ static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
#endif /* CONFIG_P2P */
static int * freq_range_to_channel_list(struct wpa_supplicant *wpa_s, char *val)
{
struct wpa_freq_range_list ranges;
int *freqs = NULL;
struct hostapd_hw_modes *mode;
u16 i;
if (wpa_s->hw.modes == NULL)
return NULL;
os_memset(&ranges, 0, sizeof(ranges));
if (freq_range_list_parse(&ranges, val) < 0)
return NULL;
for (i = 0; i < wpa_s->hw.num_modes; i++) {
int j;
mode = &wpa_s->hw.modes[i];
for (j = 0; j < mode->num_channels; j++) {
unsigned int freq;
if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
continue;
freq = mode->channels[j].freq;
if (!freq_range_list_includes(&ranges, freq))
continue;
int_array_add_unique(&freqs, freq);
}
}
os_free(ranges.range);
return freqs;
}
#ifdef CONFIG_INTERWORKING
static int ctrl_interworking_select(struct wpa_supplicant *wpa_s, char *param)
{
int auto_sel = 0;
int *freqs = NULL;
if (param) {
char *pos;
auto_sel = os_strstr(param, "auto") != NULL;
pos = os_strstr(param, "freq=");
if (pos) {
freqs = freq_range_to_channel_list(wpa_s, pos + 5);
if (freqs == NULL)
return -1;
}
}
return interworking_select(wpa_s, auto_sel, freqs);
}
static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
{
u8 bssid[ETH_ALEN];
@ -5413,37 +5474,12 @@ static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
{
struct wpa_freq_range_list ranges;
int *freqs = NULL;
struct hostapd_hw_modes *mode;
u16 i;
if (wpa_s->hw.modes == NULL)
freqs = freq_range_to_channel_list(wpa_s, val);
if (freqs == NULL)
return -1;
os_memset(&ranges, 0, sizeof(ranges));
if (freq_range_list_parse(&ranges, val) < 0)
return -1;
for (i = 0; i < wpa_s->hw.num_modes; i++) {
int j;
mode = &wpa_s->hw.modes[i];
for (j = 0; j < mode->num_channels; j++) {
unsigned int freq;
if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
continue;
freq = mode->channels[j].freq;
if (!freq_range_list_includes(&ranges, freq))
continue;
int_array_add_unique(&freqs, freq);
}
}
os_free(ranges.range);
os_free(wpa_s->manual_scan_freqs);
wpa_s->manual_scan_freqs = freqs;
@ -5847,9 +5883,11 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
reply_len = -1;
} else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
interworking_stop_fetch_anqp(wpa_s);
} else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
NULL) < 0)
} else if (os_strcmp(buf, "INTERWORKING_SELECT") == 0) {
if (ctrl_interworking_select(wpa_s, NULL) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "INTERWORKING_SELECT ", 20) == 0) {
if (ctrl_interworking_select(wpa_s, buf + 20) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)

5
wpa_supplicant/interworking.c
View file

@ -2202,7 +2202,8 @@ static void interworking_scan_res_handler(struct wpa_supplicant *wpa_s,
}
int interworking_select(struct wpa_supplicant *wpa_s, int auto_select)
int interworking_select(struct wpa_supplicant *wpa_s, int auto_select,
int *freqs)
{
interworking_stop_fetch_anqp(wpa_s);
wpa_s->network_select = 1;
@ -2214,6 +2215,8 @@ int interworking_select(struct wpa_supplicant *wpa_s, int auto_select)
wpa_s->scan_res_handler = interworking_scan_res_handler;
wpa_s->normal_scans = 0;
wpa_s->scan_req = MANUAL_SCAN_REQ;
os_free(wpa_s->manual_scan_freqs);
wpa_s->manual_scan_freqs = freqs;
wpa_s->after_wps = 0;
wpa_s->known_wps_freq = 0;
wpa_supplicant_req_scan(wpa_s, 0, 0);

3
wpa_supplicant/interworking.h
View file

@ -22,7 +22,8 @@ int gas_send_request(struct wpa_supplicant *wpa_s, const u8 *dst,
const struct wpabuf *query);
int interworking_fetch_anqp(struct wpa_supplicant *wpa_s);
void interworking_stop_fetch_anqp(struct wpa_supplicant *wpa_s);
int interworking_select(struct wpa_supplicant *wpa_s, int auto_select);
int interworking_select(struct wpa_supplicant *wpa_s, int auto_select,
int *freqs);
int interworking_connect(struct wpa_supplicant *wpa_s, struct wpa_bss *bss);
void interworking_start_fetch_anqp(struct wpa_supplicant *wpa_s);
int interworking_home_sp_cred(struct wpa_supplicant *wpa_s,