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ara-mdk / platform / external / wpa_supplicant_8 / 08c7bb27090ebaa38c59edd088559e19000b905b / . / wpa_supplicant / ctrl_iface.c
blob: ad0392f9e6bbcb60cf34c789dddd46288226d2ad [file] [log] [blame]
/*
* WPA Supplicant / Control interface (shared code for all backends)
* Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/version.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "common/wpa_ctrl.h"
#include "eap_peer/eap.h"
#include "eapol_supp/eapol_supp_sm.h"
#include "rsn_supp/wpa.h"
#include "rsn_supp/preauth.h"
#include "rsn_supp/pmksa_cache.h"
#include "l2_packet/l2_packet.h"
#include "wps/wps.h"
#include "config.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "wps_supplicant.h"
#include "ibss_rsn.h"
#include "ap.h"
#include "p2p_supplicant.h"
#include "p2p/p2p.h"
#include "hs20_supplicant.h"
#include "wifi_display.h"
#include "notify.h"
#include "bss.h"
#include "scan.h"
#include "ctrl_iface.h"
#include "interworking.h"
#include "blacklist.h"
#include "autoscan.h"
#include "wnm_sta.h"
extern struct wpa_driver_ops *wpa_drivers[];
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,
char *buf, int len);
static int pno_start(struct wpa_supplicant *wpa_s)
{
int ret;
size_t i, num_ssid;
struct wpa_ssid *ssid;
struct wpa_driver_scan_params params;
if (wpa_s->pno)
return 0;
if (wpa_s->wpa_state == WPA_SCANNING) {
wpa_supplicant_cancel_sched_scan(wpa_s);
wpa_supplicant_cancel_scan(wpa_s);
}
os_memset(&params, 0, sizeof(params));
num_ssid = 0;
ssid = wpa_s->conf->ssid;
while (ssid) {
if (!wpas_network_disabled(wpa_s, ssid))
num_ssid++;
ssid = ssid->next;
}
if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
"%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
num_ssid = WPAS_MAX_SCAN_SSIDS;
}
if (num_ssid == 0) {
wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
return -1;
}
params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
num_ssid);
if (params.filter_ssids == NULL)
return -1;
i = 0;
ssid = wpa_s->conf->ssid;
while (ssid) {
if (!wpas_network_disabled(wpa_s, ssid)) {
params.ssids[i].ssid = ssid->ssid;
params.ssids[i].ssid_len = ssid->ssid_len;
params.num_ssids++;
os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
ssid->ssid_len);
params.filter_ssids[i].ssid_len = ssid->ssid_len;
params.num_filter_ssids++;
i++;
if (i == num_ssid)
break;
}
ssid = ssid->next;
}
if (wpa_s->conf->filter_rssi)
params.filter_rssi = wpa_s->conf->filter_rssi;
ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
os_free(params.filter_ssids);
if (ret == 0)
wpa_s->pno = 1;
return ret;
}
static int pno_stop(struct wpa_supplicant *wpa_s)
{
int ret = 0;
if (wpa_s->pno) {
wpa_s->pno = 0;
ret = wpa_drv_stop_sched_scan(wpa_s);
}
if (wpa_s->wpa_state == WPA_SCANNING)
wpa_supplicant_req_scan(wpa_s, 0, 0);
return ret;
}
static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
{
char *pos;
u8 addr[ETH_ALEN], *filter = NULL, *n;
size_t count = 0;
pos = val;
while (pos) {
if (*pos == '\0')
break;
if (hwaddr_aton(pos, addr)) {
os_free(filter);
return -1;
}
n = os_realloc_array(filter, count + 1, ETH_ALEN);
if (n == NULL) {
os_free(filter);
return -1;
}
filter = n;
os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
count++;
pos = os_strchr(pos, ' ');
if (pos)
pos++;
}
wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
os_free(wpa_s->bssid_filter);
wpa_s->bssid_filter = filter;
wpa_s->bssid_filter_count = count;
return 0;
}
static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
{
char *pos;
u8 addr[ETH_ALEN], *bssid = NULL, *n;
struct wpa_ssid_value *ssid = NULL, *ns;
size_t count = 0, ssid_count = 0;
struct wpa_ssid *c;
/*
* disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
* SSID_SPEC ::= ssid <SSID_HEX>
* BSSID_SPEC ::= bssid <BSSID_HEX>
*/
pos = val;
while (pos) {
if (*pos == '\0')
break;
if (os_strncmp(pos, "bssid ", 6) == 0) {
int res;
pos += 6;
res = hwaddr_aton2(pos, addr);
if (res < 0) {
os_free(ssid);
os_free(bssid);
wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
"BSSID value '%s'", pos);
return -1;
}
pos += res;
n = os_realloc_array(bssid, count + 1, ETH_ALEN);
if (n == NULL) {
os_free(ssid);
os_free(bssid);
return -1;
}
bssid = n;
os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
count++;
} else if (os_strncmp(pos, "ssid ", 5) == 0) {
char *end;
pos += 5;
end = pos;
while (*end) {
if (*end == '\0' || *end == ' ')
break;
end++;
}
ns = os_realloc_array(ssid, ssid_count + 1,
sizeof(struct wpa_ssid_value));
if (ns == NULL) {
os_free(ssid);
os_free(bssid);
return -1;
}
ssid = ns;
if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
hexstr2bin(pos, ssid[ssid_count].ssid,
(end - pos) / 2) < 0) {
os_free(ssid);
os_free(bssid);
wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
"SSID value '%s'", pos);
return -1;
}
ssid[ssid_count].ssid_len = (end - pos) / 2;
wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
ssid[ssid_count].ssid,
ssid[ssid_count].ssid_len);
ssid_count++;
pos = end;
} else {
wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
"'%s'", pos);
os_free(ssid);
os_free(bssid);
return -1;
}
pos = os_strchr(pos, ' ');
if (pos)
pos++;
}
wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
os_free(wpa_s->disallow_aps_bssid);
wpa_s->disallow_aps_bssid = bssid;
wpa_s->disallow_aps_bssid_count = count;
wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
os_free(wpa_s->disallow_aps_ssid);
wpa_s->disallow_aps_ssid = ssid;
wpa_s->disallow_aps_ssid_count = ssid_count;
if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
return 0;
c = wpa_s->current_ssid;
if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
return 0;
if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
!disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
return 0;
wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
"because current AP was marked disallowed");
#ifdef CONFIG_SME
wpa_s->sme.prev_bssid_set = 0;
#endif /* CONFIG_SME */
wpa_s->reassociate = 1;
wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
wpa_supplicant_req_scan(wpa_s, 0, 0);
return 0;
}
static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
char *cmd)
{
char *value;
int ret = 0;
value = os_strchr(cmd, ' ');
if (value == NULL)
return -1;
*value++ = '\0';
wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
eapol_sm_configure(wpa_s->eapol,
atoi(value), -1, -1, -1);
} else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
eapol_sm_configure(wpa_s->eapol,
-1, atoi(value), -1, -1);
} else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
eapol_sm_configure(wpa_s->eapol,
-1, -1, atoi(value), -1);
} else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
eapol_sm_configure(wpa_s->eapol,
-1, -1, -1, atoi(value));
} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
atoi(value)))
ret = -1;
} else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
0) {
if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
atoi(value)))
ret = -1;
} else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
ret = -1;
} else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
wpa_s->wps_fragment_size = atoi(value);
#ifdef CONFIG_WPS_TESTING
} else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
long int val;
val = strtol(value, NULL, 0);
if (val < 0 || val > 0xff) {
ret = -1;
wpa_printf(MSG_DEBUG, "WPS: Invalid "
"wps_version_number %ld", val);
} else {
wps_version_number = val;
wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
"version %u.%u",
(wps_version_number & 0xf0) >> 4,
wps_version_number & 0x0f);
}
} else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
wps_testing_dummy_cred = atoi(value);
wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
wps_testing_dummy_cred);
#endif /* CONFIG_WPS_TESTING */
} else if (os_strcasecmp(cmd, "ampdu") == 0) {
if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
ret = -1;
#ifdef CONFIG_TDLS_TESTING
} else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
extern unsigned int tdls_testing;
tdls_testing = strtol(value, NULL, 0);
wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
#endif /* CONFIG_TDLS_TESTING */
#ifdef CONFIG_TDLS
} else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
int disabled = atoi(value);
wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
if (disabled) {
if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
ret = -1;
} else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
ret = -1;
wpa_tdls_enable(wpa_s->wpa, !disabled);
#endif /* CONFIG_TDLS */
} else if (os_strcasecmp(cmd, "pno") == 0) {
if (atoi(value))
ret = pno_start(wpa_s);
else
ret = pno_stop(wpa_s);
} else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
int disabled = atoi(value);
if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
ret = -1;
else if (disabled)
wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
} else if (os_strcasecmp(cmd, "uapsd") == 0) {
if (os_strcmp(value, "disable") == 0)
wpa_s->set_sta_uapsd = 0;
else {
int be, bk, vi, vo;
char *pos;
/* format: BE,BK,VI,VO;max SP Length */
be = atoi(value);
pos = os_strchr(value, ',');
if (pos == NULL)
return -1;
pos++;
bk = atoi(pos);
pos = os_strchr(pos, ',');
if (pos == NULL)
return -1;
pos++;
vi = atoi(pos);
pos = os_strchr(pos, ',');
if (pos == NULL)
return -1;
pos++;
vo = atoi(pos);
/* ignore max SP Length for now */
wpa_s->set_sta_uapsd = 1;
wpa_s->sta_uapsd = 0;
if (be)
wpa_s->sta_uapsd |= BIT(0);
if (bk)
wpa_s->sta_uapsd |= BIT(1);
if (vi)
wpa_s->sta_uapsd |= BIT(2);
if (vo)
wpa_s->sta_uapsd |= BIT(3);
}
} else if (os_strcasecmp(cmd, "ps") == 0) {
ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
#ifdef CONFIG_WIFI_DISPLAY
} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
wifi_display_enable(wpa_s->global, !!atoi(value));
#endif /* CONFIG_WIFI_DISPLAY */
} else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
ret = set_bssid_filter(wpa_s, value);
} else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
ret = set_disallow_aps(wpa_s, value);
} else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
wpa_s->no_keep_alive = !!atoi(value);
} else {
value[-1] = '=';
ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
if (ret == 0)
wpa_supplicant_update_config(wpa_s);
}
return ret;
}
static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
char *cmd, char *buf, size_t buflen)
{
int res = -1;
wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
if (os_strcmp(cmd, "version") == 0) {
res = os_snprintf(buf, buflen, "%s", VERSION_STR);
} else if (os_strcasecmp(cmd, "country") == 0) {
if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
res = os_snprintf(buf, buflen, "%c%c",
wpa_s->conf->country[0],
wpa_s->conf->country[1]);
#ifdef CONFIG_WIFI_DISPLAY
} else if (os_strcasecmp(cmd, "wifi_display") == 0) {
res = os_snprintf(buf, buflen, "%d",
wpa_s->global->wifi_display);
if (res < 0 || (unsigned int) res >= buflen)
return -1;
return res;
#endif /* CONFIG_WIFI_DISPLAY */
}
if (res < 0 || (unsigned int) res >= buflen)
return -1;
return res;
}
#ifdef IEEE8021X_EAPOL
static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
char *addr)
{
u8 bssid[ETH_ALEN];
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (hwaddr_aton(addr, bssid)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
"'%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
rsn_preauth_deinit(wpa_s->wpa);
if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
return -1;
return 0;
}
#endif /* IEEE8021X_EAPOL */
#ifdef CONFIG_PEERKEY
/* MLME-STKSTART.request(peer) */
static int wpa_supplicant_ctrl_iface_stkstart(
struct wpa_supplicant *wpa_s, char *addr)
{
u8 peer[ETH_ALEN];
if (hwaddr_aton(addr, peer)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
MAC2STR(peer));
return wpa_sm_stkstart(wpa_s->wpa, peer);
}
#endif /* CONFIG_PEERKEY */
#ifdef CONFIG_TDLS
static int wpa_supplicant_ctrl_iface_tdls_discover(
struct wpa_supplicant *wpa_s, char *addr)
{
u8 peer[ETH_ALEN];
int ret;
if (hwaddr_aton(addr, peer)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
MAC2STR(peer));
if (wpa_tdls_is_external_setup(wpa_s->wpa))
ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
else
ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
return ret;
}
static int wpa_supplicant_ctrl_iface_tdls_setup(
struct wpa_supplicant *wpa_s, char *addr)
{
u8 peer[ETH_ALEN];
int ret;
if (hwaddr_aton(addr, peer)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
MAC2STR(peer));
wpa_tdls_remove(wpa_s->wpa, peer);
if (wpa_tdls_is_external_setup(wpa_s->wpa))
ret = wpa_tdls_start(wpa_s->wpa, peer);
else
ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
return ret;
}
static int wpa_supplicant_ctrl_iface_tdls_teardown(
struct wpa_supplicant *wpa_s, char *addr)
{
u8 peer[ETH_ALEN];
if (hwaddr_aton(addr, peer)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
MAC2STR(peer));
return wpa_tdls_teardown_link(wpa_s->wpa, peer,
WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
}
#endif /* CONFIG_TDLS */
#ifdef CONFIG_IEEE80211R
static int wpa_supplicant_ctrl_iface_ft_ds(
struct wpa_supplicant *wpa_s, char *addr)
{
u8 target_ap[ETH_ALEN];
struct wpa_bss *bss;
const u8 *mdie;
if (hwaddr_aton(addr, target_ap)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
bss = wpa_bss_get_bssid(wpa_s, target_ap);
if (bss)
mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
else
mdie = NULL;
return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
}
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_WPS
static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
char *cmd)
{
u8 bssid[ETH_ALEN], *_bssid = bssid;
#ifdef CONFIG_P2P
u8 p2p_dev_addr[ETH_ALEN];
#endif /* CONFIG_P2P */
#ifdef CONFIG_AP
u8 *_p2p_dev_addr = NULL;
#endif /* CONFIG_AP */
if (cmd == NULL || os_strcmp(cmd, "any") == 0 || cmd[0] == '\0') {
_bssid = NULL;
#ifdef CONFIG_P2P
} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
"P2P Device Address '%s'",
cmd + 13);
return -1;
}
_p2p_dev_addr = p2p_dev_addr;
#endif /* CONFIG_P2P */
} else if (hwaddr_aton(cmd, bssid)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
cmd);
return -1;
}
#ifdef CONFIG_AP
if (wpa_s->ap_iface)
return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
#endif /* CONFIG_AP */
return wpas_wps_start_pbc(wpa_s, _bssid, 0);
}
static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
char *cmd, char *buf,
size_t buflen)
{
u8 bssid[ETH_ALEN], *_bssid = bssid;
char *pin;
int ret;
pin = os_strchr(cmd, ' ');
if (pin)
*pin++ = '\0';
if (os_strcmp(cmd, "any") == 0)
_bssid = NULL;
else if (os_strcmp(cmd, "get") == 0) {
ret = wps_generate_pin();
goto done;
} else if (hwaddr_aton(cmd, bssid)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
cmd);
return -1;
}
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
int timeout = 0;
char *pos;
if (pin) {
pos = os_strchr(pin, ' ');
if (pos) {
*pos++ = '\0';
timeout = atoi(pos);
}
}
return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
buf, buflen, timeout);
}
#endif /* CONFIG_AP */
if (pin) {
ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
DEV_PW_DEFAULT);
if (ret < 0)
return -1;
ret = os_snprintf(buf, buflen, "%s", pin);
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
if (ret < 0)
return -1;
done:
/* Return the generated PIN */
ret = os_snprintf(buf, buflen, "%08d", ret);
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
static int wpa_supplicant_ctrl_iface_wps_check_pin(
struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
{
char pin[9];
size_t len;
char *pos;
int ret;
wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
(u8 *) cmd, os_strlen(cmd));
for (pos = cmd, len = 0; *pos != '\0'; pos++) {
if (*pos < '0' || *pos > '9')
continue;
pin[len++] = *pos;
if (len == 9) {
wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
return -1;
}
}
if (len != 4 && len != 8) {
wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
return -1;
}
pin[len] = '\0';
if (len == 8) {
unsigned int pin_val;
pin_val = atoi(pin);
if (!wps_pin_valid(pin_val)) {
wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
}
ret = os_snprintf(buf, buflen, "%s", pin);
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
#ifdef CONFIG_WPS_NFC
static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
char *cmd)
{
u8 bssid[ETH_ALEN], *_bssid = bssid;
if (cmd == NULL || cmd[0] == '\0')
_bssid = NULL;
else if (hwaddr_aton(cmd, bssid))
return -1;
return wpas_wps_start_nfc(wpa_s, _bssid);
}
static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
{
int ndef;
struct wpabuf *buf;
int res;
char *pos;
pos = os_strchr(cmd, ' ');
if (pos)
*pos++ = '\0';
if (os_strcmp(cmd, "WPS") == 0)
ndef = 0;
else if (os_strcmp(cmd, "NDEF") == 0)
ndef = 1;
else
return -1;
buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int wpa_supplicant_ctrl_iface_wps_nfc_token(
struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
{
int ndef;
struct wpabuf *buf;
int res;
if (os_strcmp(cmd, "WPS") == 0)
ndef = 0;
else if (os_strcmp(cmd, "NDEF") == 0)
ndef = 1;
else
return -1;
buf = wpas_wps_nfc_token(wpa_s, ndef);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
struct wpa_supplicant *wpa_s, char *pos)
{
size_t len;
struct wpabuf *buf;
int ret;
len = os_strlen(pos);
if (len & 0x01)
return -1;
len /= 2;
buf = wpabuf_alloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
wpabuf_free(buf);
return -1;
}
ret = wpas_wps_nfc_tag_read(wpa_s, buf);
wpabuf_free(buf);
return ret;
}
static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
char *reply, size_t max_len,
int cr)
{
struct wpabuf *buf;
int res;
buf = wpas_wps_nfc_handover_req(wpa_s, cr);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
char *cmd, char *reply,
size_t max_len)
{
char *pos;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (os_strcmp(cmd, "NDEF") != 0)
return -1;
if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
return wpas_ctrl_nfc_get_handover_req_wps(
wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
}
return -1;
}
static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
char *reply, size_t max_len,
int ndef, int cr, char *uuid)
{
struct wpabuf *buf;
int res;
buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
char *cmd, char *reply,
size_t max_len)
{
char *pos, *pos2;
int ndef;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (os_strcmp(cmd, "WPS") == 0)
ndef = 0;
else if (os_strcmp(cmd, "NDEF") == 0)
ndef = 1;
else
return -1;
pos2 = os_strchr(pos, ' ');
if (pos2)
*pos2++ = '\0';
if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
return wpas_ctrl_nfc_get_handover_sel_wps(
wpa_s, reply, max_len, ndef,
os_strcmp(pos, "WPS-CR") == 0, pos2);
}
return -1;
}
static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
char *cmd, char *reply,
size_t max_len)
{
size_t len;
struct wpabuf *buf;
int ret;
len = os_strlen(cmd);
if (len & 0x01)
return -1;
len /= 2;
buf = wpabuf_alloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
wpabuf_free(buf);
return -1;
}
ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
wpabuf_free(buf);
return ret;
}
static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
char *cmd)
{
size_t len;
struct wpabuf *buf;
int ret;
len = os_strlen(cmd);
if (len & 0x01)
return -1;
len /= 2;
buf = wpabuf_alloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
wpabuf_free(buf);
return -1;
}
ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
wpabuf_free(buf);
return ret;
}
static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
char *cmd)
{
size_t len;
struct wpabuf *req, *sel;
int ret;
char *pos, *role, *type, *pos2;
role = cmd;
pos = os_strchr(role, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
type = pos;
pos = os_strchr(type, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
pos2 = os_strchr(pos, ' ');
if (pos2 == NULL)
return -1;
*pos2++ = '\0';
len = os_strlen(pos);
if (len & 0x01)
return -1;
len /= 2;
req = wpabuf_alloc(len);
if (req == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
wpabuf_free(req);
return -1;
}
len = os_strlen(pos2);
if (len & 0x01) {
wpabuf_free(req);
return -1;
}
len /= 2;
sel = wpabuf_alloc(len);
if (sel == NULL) {
wpabuf_free(req);
return -1;
}
if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
wpabuf_free(req);
wpabuf_free(sel);
return -1;
}
if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
} else {
wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
"reported: role=%s type=%s", role, type);
ret = -1;
}
wpabuf_free(req);
wpabuf_free(sel);
return ret;
}
#endif /* CONFIG_WPS_NFC */
static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
char *cmd)
{
u8 bssid[ETH_ALEN];
char *pin;
char *new_ssid;
char *new_auth;
char *new_encr;
char *new_key;
struct wps_new_ap_settings ap;
pin = os_strchr(cmd, ' ');
if (pin == NULL)
return -1;
*pin++ = '\0';
if (hwaddr_aton(cmd, bssid)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
cmd);
return -1;
}
new_ssid = os_strchr(pin, ' ');
if (new_ssid == NULL)
return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
*new_ssid++ = '\0';
new_auth = os_strchr(new_ssid, ' ');
if (new_auth == NULL)
return -1;
*new_auth++ = '\0';
new_encr = os_strchr(new_auth, ' ');
if (new_encr == NULL)
return -1;
*new_encr++ = '\0';
new_key = os_strchr(new_encr, ' ');
if (new_key == NULL)
return -1;
*new_key++ = '\0';
os_memset(&ap, 0, sizeof(ap));
ap.ssid_hex = new_ssid;
ap.auth = new_auth;
ap.encr = new_encr;
ap.key_hex = new_key;
return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
}
#ifdef CONFIG_AP
static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
char *cmd, char *buf,
size_t buflen)
{
int timeout = 300;
char *pos;
const char *pin_txt;
if (!wpa_s->ap_iface)
return -1;
pos = os_strchr(cmd, ' ');
if (pos)
*pos++ = '\0';
if (os_strcmp(cmd, "disable") == 0) {
wpas_wps_ap_pin_disable(wpa_s);
return os_snprintf(buf, buflen, "OK\n");
}
if (os_strcmp(cmd, "random") == 0) {
if (pos)
timeout = atoi(pos);
pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
if (pin_txt == NULL)
return -1;
return os_snprintf(buf, buflen, "%s", pin_txt);
}
if (os_strcmp(cmd, "get") == 0) {
pin_txt = wpas_wps_ap_pin_get(wpa_s);
if (pin_txt == NULL)
return -1;
return os_snprintf(buf, buflen, "%s", pin_txt);
}
if (os_strcmp(cmd, "set") == 0) {
char *pin;
if (pos == NULL)
return -1;
pin = pos;
pos = os_strchr(pos, ' ');
if (pos) {
*pos++ = '\0';
timeout = atoi(pos);
}
if (os_strlen(pin) > buflen)
return -1;
if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
return -1;
return os_snprintf(buf, buflen, "%s", pin);
}
return -1;
}
#endif /* CONFIG_AP */
#ifdef CONFIG_WPS_ER
static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
char *cmd)
{
char *uuid = cmd, *pin, *pos;
u8 addr_buf[ETH_ALEN], *addr = NULL;
pin = os_strchr(uuid, ' ');
if (pin == NULL)
return -1;
*pin++ = '\0';
pos = os_strchr(pin, ' ');
if (pos) {
*pos++ = '\0';
if (hwaddr_aton(pos, addr_buf) == 0)
addr = addr_buf;
}
return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
}
static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
char *cmd)
{
char *uuid = cmd, *pin;
pin = os_strchr(uuid, ' ');
if (pin == NULL)
return -1;
*pin++ = '\0';
return wpas_wps_er_learn(wpa_s, uuid, pin);
}
static int wpa_supplicant_ctrl_iface_wps_er_set_config(
struct wpa_supplicant *wpa_s, char *cmd)
{
char *uuid = cmd, *id;
id = os_strchr(uuid, ' ');
if (id == NULL)
return -1;
*id++ = '\0';
return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
}
static int wpa_supplicant_ctrl_iface_wps_er_config(
struct wpa_supplicant *wpa_s, char *cmd)
{
char *pin;
char *new_ssid;
char *new_auth;
char *new_encr;
char *new_key;
struct wps_new_ap_settings ap;
pin = os_strchr(cmd, ' ');
if (pin == NULL)
return -1;
*pin++ = '\0';
new_ssid = os_strchr(pin, ' ');
if (new_ssid == NULL)
return -1;
*new_ssid++ = '\0';
new_auth = os_strchr(new_ssid, ' ');
if (new_auth == NULL)
return -1;
*new_auth++ = '\0';
new_encr = os_strchr(new_auth, ' ');
if (new_encr == NULL)
return -1;
*new_encr++ = '\0';
new_key = os_strchr(new_encr, ' ');
if (new_key == NULL)
return -1;
*new_key++ = '\0';
os_memset(&ap, 0, sizeof(ap));
ap.ssid_hex = new_ssid;
ap.auth = new_auth;
ap.encr = new_encr;
ap.key_hex = new_key;
return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
}
#ifdef CONFIG_WPS_NFC
static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
{
int ndef;
struct wpabuf *buf;
int res;
char *uuid;
uuid = os_strchr(cmd, ' ');
if (uuid == NULL)
return -1;
*uuid++ = '\0';
if (os_strcmp(cmd, "WPS") == 0)
ndef = 0;
else if (os_strcmp(cmd, "NDEF") == 0)
ndef = 1;
else
return -1;
buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
#endif /* CONFIG_WPS_NFC */
#endif /* CONFIG_WPS_ER */
#endif /* CONFIG_WPS */
#ifdef CONFIG_IBSS_RSN
static int wpa_supplicant_ctrl_iface_ibss_rsn(
struct wpa_supplicant *wpa_s, char *addr)
{
u8 peer[ETH_ALEN];
if (hwaddr_aton(addr, peer)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
MAC2STR(peer));
return ibss_rsn_start(wpa_s->ibss_rsn, peer);
}
#endif /* CONFIG_IBSS_RSN */
static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
char *rsp)
{
#ifdef IEEE8021X_EAPOL
char *pos, *id_pos;
int id;
struct wpa_ssid *ssid;
pos = os_strchr(rsp, '-');
if (pos == NULL)
return -1;
*pos++ = '\0';
id_pos = pos;
pos = os_strchr(pos, ':');
if (pos == NULL)
return -1;
*pos++ = '\0';
id = atoi(id_pos);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
(u8 *) pos, os_strlen(pos));
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
"to update", id);
return -1;
}
return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
pos);
#else /* IEEE8021X_EAPOL */
wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
return -1;
#endif /* IEEE8021X_EAPOL */
}
static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
const char *params,
char *buf, size_t buflen)
{
char *pos, *end, tmp[30];
int res, verbose, wps, ret;
verbose = os_strcmp(params, "-VERBOSE") == 0;
wps = os_strcmp(params, "-WPS") == 0;
pos = buf;
end = buf + buflen;
if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
struct wpa_ssid *ssid = wpa_s->current_ssid;
ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
MAC2STR(wpa_s->bssid));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (ssid) {
u8 *_ssid = ssid->ssid;
size_t ssid_len = ssid->ssid_len;
u8 ssid_buf[MAX_SSID_LEN];
if (ssid_len == 0) {
int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
if (_res < 0)
ssid_len = 0;
else
ssid_len = _res;
_ssid = ssid_buf;
}
ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
wpa_ssid_txt(_ssid, ssid_len),
ssid->id);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (wps && ssid->passphrase &&
wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
(ssid->mode == WPAS_MODE_AP ||
ssid->mode == WPAS_MODE_P2P_GO)) {
ret = os_snprintf(pos, end - pos,
"passphrase=%s\n",
ssid->passphrase);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (ssid->id_str) {
ret = os_snprintf(pos, end - pos,
"id_str=%s\n",
ssid->id_str);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
switch (ssid->mode) {
case WPAS_MODE_INFRA:
ret = os_snprintf(pos, end - pos,
"mode=station\n");
break;
case WPAS_MODE_IBSS:
ret = os_snprintf(pos, end - pos,
"mode=IBSS\n");
break;
case WPAS_MODE_AP:
ret = os_snprintf(pos, end - pos,
"mode=AP\n");
break;
case WPAS_MODE_P2P_GO:
ret = os_snprintf(pos, end - pos,
"mode=P2P GO\n");
break;
case WPAS_MODE_P2P_GROUP_FORMATION:
ret = os_snprintf(pos, end - pos,
"mode=P2P GO - group "
"formation\n");
break;
default:
ret = 0;
break;
}
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#ifdef CONFIG_AP
if (wpa_s->ap_iface) {
pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
end - pos,
verbose);
} else
#endif /* CONFIG_AP */
pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
}
#ifdef CONFIG_SAE
if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
wpa_s->sme.sae.group);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#endif /* CONFIG_SAE */
ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
wpa_supplicant_state_txt(wpa_s->wpa_state));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (wpa_s->l2 &&
l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#ifdef CONFIG_P2P
if (wpa_s->global->p2p) {
ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
"\n", MAC2STR(wpa_s->global->p2p_dev_addr));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#endif /* CONFIG_P2P */
ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
MAC2STR(wpa_s->own_addr));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
#ifdef CONFIG_HS20
if (wpa_s->current_bss &&
wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
wpa_s->wpa_proto == WPA_PROTO_RSN &&
wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
ret = os_snprintf(pos, end - pos, "hs20=1\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (wpa_s->current_ssid) {
struct wpa_cred *cred;
char *type;
for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
if (wpa_s->current_ssid->parent_cred != cred)
continue;
if (!cred->domain)
continue;
ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
cred->domain);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (wpa_s->current_bss == NULL ||
wpa_s->current_bss->anqp == NULL)
res = -1;
else
res = interworking_home_sp_cred(
wpa_s, cred,
wpa_s->current_bss->anqp->domain_name);
if (res > 0)
type = "home";
else if (res == 0)
type = "roaming";
else
type = "unknown";
ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
break;
}
}
#endif /* CONFIG_HS20 */
if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
verbose);
if (res >= 0)
pos += res;
}
res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
if (res >= 0)
pos += res;
#ifdef ANDROID
wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
"id=%d state=%d BSSID=" MACSTR " SSID=%s",
wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
wpa_s->wpa_state,
MAC2STR(wpa_s->bssid),
wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
wpa_ssid_txt(wpa_s->current_ssid->ssid,
wpa_s->current_ssid->ssid_len) : "");
if (wpa_s->wpa_state == WPA_COMPLETED) {
struct wpa_ssid *ssid = wpa_s->current_ssid;
wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
MACSTR " completed %s [id=%d id_str=%s]",
MAC2STR(wpa_s->bssid), "(auth)",
ssid ? ssid->id : -1,
ssid && ssid->id_str ? ssid->id_str : "");
}
#endif /* ANDROID */
return pos - buf;
}
static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
char *cmd)
{
char *pos;
int id;
struct wpa_ssid *ssid;
u8 bssid[ETH_ALEN];
/* cmd: "<network id> <BSSID>" */
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
if (hwaddr_aton(pos, bssid)) {
wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
return -1;
}
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
"to update", id);
return -1;
}
os_memcpy(ssid->bssid, bssid, ETH_ALEN);
ssid->bssid_set = !is_zero_ether_addr(bssid);
return 0;
}
static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
char *cmd, char *buf,
size_t buflen)
{
u8 bssid[ETH_ALEN];
struct wpa_blacklist *e;
char *pos, *end;
int ret;
/* cmd: "BLACKLIST [<BSSID>]" */
if (*cmd == '\0') {
pos = buf;
end = buf + buflen;
e = wpa_s->blacklist;
while (e) {
ret = os_snprintf(pos, end - pos, MACSTR "\n",
MAC2STR(e->bssid));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
e = e->next;
}
return pos - buf;
}
cmd++;
if (os_strncmp(cmd, "clear", 5) == 0) {
wpa_blacklist_clear(wpa_s);
os_memcpy(buf, "OK\n", 3);
return 3;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
if (hwaddr_aton(cmd, bssid)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
return -1;
}
/*
* Add the BSSID twice, so its count will be 2, causing it to be
* skipped when processing scan results.
*/
ret = wpa_blacklist_add(wpa_s, bssid);
if (ret != 0)
return -1;
ret = wpa_blacklist_add(wpa_s, bssid);
if (ret != 0)
return -1;
os_memcpy(buf, "OK\n", 3);
return 3;
}
extern int wpa_debug_level;
extern int wpa_debug_timestamp;
static const char * debug_level_str(int level)
{
switch (level) {
case MSG_EXCESSIVE:
return "EXCESSIVE";
case MSG_MSGDUMP:
return "MSGDUMP";
case MSG_DEBUG:
return "DEBUG";
case MSG_INFO:
return "INFO";
case MSG_WARNING:
return "WARNING";
case MSG_ERROR:
return "ERROR";
default:
return "?";
}
}
static int str_to_debug_level(const char *s)
{
if (os_strcasecmp(s, "EXCESSIVE") == 0)
return MSG_EXCESSIVE;
if (os_strcasecmp(s, "MSGDUMP") == 0)
return MSG_MSGDUMP;
if (os_strcasecmp(s, "DEBUG") == 0)
return MSG_DEBUG;
if (os_strcasecmp(s, "INFO") == 0)
return MSG_INFO;
if (os_strcasecmp(s, "WARNING") == 0)
return MSG_WARNING;
if (os_strcasecmp(s, "ERROR") == 0)
return MSG_ERROR;
return -1;
}
static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
char *cmd, char *buf,
size_t buflen)
{
char *pos, *end, *stamp;
int ret;
if (cmd == NULL) {
return -1;
}
/* cmd: "LOG_LEVEL [<level>]" */
if (*cmd == '\0') {
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos, "Current level: %s\n"
"Timestamp: %d\n",
debug_level_str(wpa_debug_level),
wpa_debug_timestamp);
if (ret < 0 || ret >= end - pos)
ret = 0;
return ret;
}
while (*cmd == ' ')
cmd++;
stamp = os_strchr(cmd, ' ');
if (stamp) {
*stamp++ = '\0';
while (*stamp == ' ') {
stamp++;
}
}
if (cmd && os_strlen(cmd)) {
int level = str_to_debug_level(cmd);
if (level < 0)
return -1;
wpa_debug_level = level;
}
if (stamp && os_strlen(stamp))
wpa_debug_timestamp = atoi(stamp);
os_memcpy(buf, "OK\n", 3);
return 3;
}
static int wpa_supplicant_ctrl_iface_list_networks(
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
{
char *pos, *end;
struct wpa_ssid *ssid;
int ret;
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos,
"network id / ssid / bssid / flags\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
ssid = wpa_s->conf->ssid;
while (ssid) {
ret = os_snprintf(pos, end - pos, "%d\t%s",
ssid->id,
wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (ssid->bssid_set) {
ret = os_snprintf(pos, end - pos, "\t" MACSTR,
MAC2STR(ssid->bssid));
} else {
ret = os_snprintf(pos, end - pos, "\tany");
}
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
ssid == wpa_s->current_ssid ?
"[CURRENT]" : "",
ssid->disabled ? "[DISABLED]" : "",
ssid->disabled_until.sec ?
"[TEMP-DISABLED]" : "",
ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
"");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
ssid = ssid->next;
}
return pos - buf;
}
static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
{
int ret;
ret = os_snprintf(pos, end - pos, "-");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
ret = wpa_write_ciphers(pos, end, cipher, "+");
if (ret < 0)
return pos;
pos += ret;
return pos;
}
static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
const u8 *ie, size_t ie_len)
{
struct wpa_ie_data data;
int first, ret;
ret = os_snprintf(pos, end - pos, "[%s-", proto);
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
ret = os_snprintf(pos, end - pos, "?]");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
return pos;
}
first = 1;
if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
#ifdef CONFIG_IEEE80211R
if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
ret = os_snprintf(pos, end - pos, "%sFT/EAP",
first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
ret = os_snprintf(pos, end - pos, "%sFT/PSK",
first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IEEE80211W
if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
#endif /* CONFIG_IEEE80211W */
pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
ret = os_snprintf(pos, end - pos, "-preauth");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "]");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
return pos;
}
#ifdef CONFIG_WPS
static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
char *pos, char *end,
struct wpabuf *wps_ie)
{
int ret;
const char *txt;
if (wps_ie == NULL)
return pos;
if (wps_is_selected_pbc_registrar(wps_ie))
txt = "[WPS-PBC]";
#ifdef CONFIG_WPS2
else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
txt = "[WPS-AUTH]";
#endif /* CONFIG_WPS2 */
else if (wps_is_selected_pin_registrar(wps_ie))
txt = "[WPS-PIN]";
else
txt = "[WPS]";
ret = os_snprintf(pos, end - pos, "%s", txt);
if (ret >= 0 && ret < end - pos)
pos += ret;
wpabuf_free(wps_ie);
return pos;
}
#endif /* CONFIG_WPS */
static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
char *pos, char *end,
const struct wpa_bss *bss)
{
#ifdef CONFIG_WPS
struct wpabuf *wps_ie;
wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
#else /* CONFIG_WPS */
return pos;
#endif /* CONFIG_WPS */
}
/* Format one result on one text line into a buffer. */
static int wpa_supplicant_ctrl_iface_scan_result(
struct wpa_supplicant *wpa_s,
const struct wpa_bss *bss, char *buf, size_t buflen)
{
char *pos, *end;
int ret;
const u8 *ie, *ie2, *p2p;
p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
0)
return 0; /* Do not show P2P listen discovery results here */
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
MAC2STR(bss->bssid), bss->freq, bss->level);
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
if (ie)
pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
if (ie2)
pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
ret = os_snprintf(pos, end - pos, "[WEP]");
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
}
if (bss->caps & IEEE80211_CAP_IBSS) {
ret = os_snprintf(pos, end - pos, "[IBSS]");
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
}
if (bss->caps & IEEE80211_CAP_ESS) {
ret = os_snprintf(pos, end - pos, "[ESS]");
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
}
if (p2p) {
ret = os_snprintf(pos, end - pos, "[P2P]");
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
}
#ifdef CONFIG_HS20
if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
ret = os_snprintf(pos, end - pos, "[HS20]");
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
}
#endif /* CONFIG_HS20 */
ret = os_snprintf(pos, end - pos, "\t%s",
wpa_ssid_txt(bss->ssid, bss->ssid_len));
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return -1;
pos += ret;
return pos - buf;
}
static int wpa_supplicant_ctrl_iface_scan_results(
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
{
char *pos, *end;
struct wpa_bss *bss;
int ret;
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
"flags / ssid\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
end - pos);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
return pos - buf;
}
static int wpa_supplicant_ctrl_iface_select_network(
struct wpa_supplicant *wpa_s, char *cmd)
{
int id;
struct wpa_ssid *ssid;
/* cmd: "<network id>" or "any" */
if (os_strcmp(cmd, "any") == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
ssid = NULL;
} else {
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
"network id=%d", id);
return -1;
}
if (ssid->disabled == 2) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
"SELECT_NETWORK with persistent P2P group");
return -1;
}
}
wpa_supplicant_select_network(wpa_s, ssid);
return 0;
}
static int wpa_supplicant_ctrl_iface_enable_network(
struct wpa_supplicant *wpa_s, char *cmd)
{
int id;
struct wpa_ssid *ssid;
/* cmd: "<network id>" or "all" */
if (os_strcmp(cmd, "all") == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
ssid = NULL;
} else {
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
"network id=%d", id);
return -1;
}
if (ssid->disabled == 2) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
"ENABLE_NETWORK with persistent P2P group");
return -1;
}
if (os_strstr(cmd, " no-connect")) {
ssid->disabled = 0;
return 0;
}
}
wpa_supplicant_enable_network(wpa_s, ssid);
return 0;
}
static int wpa_supplicant_ctrl_iface_disable_network(
struct wpa_supplicant *wpa_s, char *cmd)
{
int id;
struct wpa_ssid *ssid;
/* cmd: "<network id>" or "all" */
if (os_strcmp(cmd, "all") == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
ssid = NULL;
} else {
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
"network id=%d", id);
return -1;
}
if (ssid->disabled == 2) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
"DISABLE_NETWORK with persistent P2P "
"group");
return -1;
}
}
wpa_supplicant_disable_network(wpa_s, ssid);
return 0;
}
static int wpa_supplicant_ctrl_iface_add_network(
struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
{
struct wpa_ssid *ssid;
int ret;
wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
ssid = wpa_config_add_network(wpa_s->conf);
if (ssid == NULL)
return -1;
wpas_notify_network_added(wpa_s, ssid);
ssid->disabled = 1;
wpa_config_set_network_defaults(ssid);
ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
static int wpa_supplicant_ctrl_iface_remove_network(
struct wpa_supplicant *wpa_s, char *cmd)
{
int id;
struct wpa_ssid *ssid;
int was_disabled;
/* cmd: "<network id>" or "all" */
if (os_strcmp(cmd, "all") == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
if (wpa_s->sched_scanning)
wpa_supplicant_cancel_sched_scan(wpa_s);
eapol_sm_invalidate_cached_session(wpa_s->eapol);
if (wpa_s->current_ssid) {
#ifdef CONFIG_SME
wpa_s->sme.prev_bssid_set = 0;
#endif /* CONFIG_SME */
wpa_sm_set_config(wpa_s->wpa, NULL);
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
wpa_supplicant_deauthenticate(
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}
ssid = wpa_s->conf->ssid;
while (ssid) {
struct wpa_ssid *remove_ssid = ssid;
id = ssid->id;
ssid = ssid->next;
wpas_notify_network_removed(wpa_s, remove_ssid);
wpa_config_remove_network(wpa_s->conf, id);
}
return 0;
}
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid)
wpas_notify_network_removed(wpa_s, ssid);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
"id=%d", id);
return -1;
}
if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
#ifdef CONFIG_SME
wpa_s->sme.prev_bssid_set = 0;
#endif /* CONFIG_SME */
/*
* Invalidate the EAP session cache if the current or
* previously used network is removed.
*/
eapol_sm_invalidate_cached_session(wpa_s->eapol);
}
if (ssid == wpa_s->current_ssid) {
wpa_sm_set_config(wpa_s->wpa, NULL);
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
}
was_disabled = ssid->disabled;
if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
"network id=%d", id);
return -1;
}
if (!was_disabled && wpa_s->sched_scanning) {
wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
"network from filters");
wpa_supplicant_cancel_sched_scan(wpa_s);
wpa_supplicant_req_scan(wpa_s, 0, 0);
}
return 0;
}
static int wpa_supplicant_ctrl_iface_set_network(
struct wpa_supplicant *wpa_s, char *cmd)
{
int id;
struct wpa_ssid *ssid;
char *name, *value;
/* cmd: "<network id> <variable name> <value>" */
name = os_strchr(cmd, ' ');
if (name == NULL)
return -1;
*name++ = '\0';
value = os_strchr(name, ' ');
if (value == NULL)
return -1;
*value++ = '\0';
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
id, name);
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
(u8 *) value, os_strlen(value));
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
"id=%d", id);
return -1;
}
if (wpa_config_set(ssid, name, value, 0) < 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
"variable '%s'", name);
return -1;
}
if (os_strcmp(name, "bssid") != 0 &&
os_strcmp(name, "priority") != 0)
wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
/*
* Invalidate the EAP session cache if anything in the current
* or previously used configuration changes.
*/
eapol_sm_invalidate_cached_session(wpa_s->eapol);
}
if ((os_strcmp(name, "psk") == 0 &&
value[0] == '"' && ssid->ssid_len) ||
(os_strcmp(name, "ssid") == 0 && ssid->passphrase))
wpa_config_update_psk(ssid);
else if (os_strcmp(name, "priority") == 0)
wpa_config_update_prio_list(wpa_s->conf);
return 0;
}
static int wpa_supplicant_ctrl_iface_get_network(
struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
{
int id;
size_t res;
struct wpa_ssid *ssid;
char *name, *value;
/* cmd: "<network id> <variable name>" */
name = os_strchr(cmd, ' ');
if (name == NULL || buflen == 0)
return -1;
*name++ = '\0';
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
id, name);
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
"id=%d", id);
return -1;
}
value = wpa_config_get_no_key(ssid, name);
if (value == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
"variable '%s'", name);
return -1;
}
res = os_strlcpy(buf, value, buflen);
if (res >= buflen) {
os_free(value);
return -1;
}
os_free(value);
return res;
}
static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
char *buf, size_t buflen)
{
char *pos, *end;
struct wpa_cred *cred;
int ret;
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos,
"cred id / realm / username / domain / imsi\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
cred = wpa_s->conf->cred;
while (cred) {
ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
cred->id, cred->realm ? cred->realm : "",
cred->username ? cred->username : "",
cred->domain ? cred->domain : "",
cred->imsi ? cred->imsi : "");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
cred = cred->next;
}
return pos - buf;
}
static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
char *buf, size_t buflen)
{
struct wpa_cred *cred;
int ret;
wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
cred = wpa_config_add_cred(wpa_s->conf);
if (cred == NULL)
return -1;
ret = os_snprintf(buf, buflen, "%d\n", cred->id);
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
struct wpa_cred *cred)
{
struct wpa_ssid *ssid;
char str[20];
if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
return -1;
}
/* Remove any network entry created based on the removed credential */
ssid = wpa_s->conf->ssid;
while (ssid) {
if (ssid->parent_cred == cred) {
wpa_printf(MSG_DEBUG, "Remove network id %d since it "
"used the removed credential", ssid->id);
os_snprintf(str, sizeof(str), "%d", ssid->id);
ssid = ssid->next;
wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
} else
ssid = ssid->next;
}
return 0;
}
static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
char *cmd)
{
int id;
struct wpa_cred *cred, *prev;
/* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
if (os_strcmp(cmd, "all") == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
cred = wpa_s->conf->cred;
while (cred) {
prev = cred;
cred = cred->next;
wpas_ctrl_remove_cred(wpa_s, prev);
}
return 0;
}
if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
cmd + 8);
cred = wpa_s->conf->cred;
while (cred) {
prev = cred;
cred = cred->next;
if (prev->domain &&
os_strcmp(prev->domain, cmd + 8) == 0)
wpas_ctrl_remove_cred(wpa_s, prev);
}
return 0;
}
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
cred = wpa_config_get_cred(wpa_s->conf, id);
return wpas_ctrl_remove_cred(wpa_s, cred);
}
static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
char *cmd)
{
int id;
struct wpa_cred *cred;
char *name, *value;
/* cmd: "<cred id> <variable name> <value>" */
name = os_strchr(cmd, ' ');
if (name == NULL)
return -1;
*name++ = '\0';
value = os_strchr(name, ' ');
if (value == NULL)
return -1;
*value++ = '\0';
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
id, name);
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
(u8 *) value, os_strlen(value));
cred = wpa_config_get_cred(wpa_s->conf, id);
if (cred == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
id);
return -1;
}
if (wpa_config_set_cred(cred, name, value, 0) < 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
"variable '%s'", name);
return -1;
}
return 0;
}
#ifndef CONFIG_NO_CONFIG_WRITE
static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
{
int ret;
if (!wpa_s->conf->update_config) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
"to update configuration (update_config=0)");
return -1;
}
ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
if (ret) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
"update configuration");
} else {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
" updated");
}
return ret;
}
#endif /* CONFIG_NO_CONFIG_WRITE */
static int ctrl_iface_get_capability_pairwise(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret, first = 1;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
if (len >= buflen)
return -1;
return len;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
return pos - buf;
}
static int ctrl_iface_get_capability_group(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret, first = 1;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
if (len >= buflen)
return -1;
return len;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
ret = os_snprintf(pos, end - pos, "%sWEP104",
first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
return pos - buf;
}
static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
"NONE", buflen);
if (len >= buflen)
return -1;
return len;
}
ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
ret = os_snprintf(pos, end - pos, " WPA-EAP");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
ret = os_snprintf(pos, end - pos, " WPA-PSK");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
ret = os_snprintf(pos, end - pos, " WPA-NONE");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
return pos - buf;
}
static int ctrl_iface_get_capability_proto(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret, first = 1;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "RSN WPA", buflen);
if (len >= buflen)
return -1;
return len;
}
if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
return pos - buf;
}
static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret, first = 1;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
if (len >= buflen)
return -1;
return len;
}
if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
ret = os_snprintf(pos, end - pos, "%sSHARED",
first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
return pos - buf;
}
static int ctrl_iface_get_capability_modes(int res, char *strict,
struct wpa_driver_capa *capa,
char *buf, size_t buflen)
{
int ret, first = 1;
char *pos, *end;
size_t len;
pos = buf;
end = pos + buflen;
if (res < 0) {
if (strict)
return 0;
len = os_strlcpy(buf, "IBSS AP", buflen);
if (len >= buflen)
return -1;
return len;
}
if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
if (capa->flags & WPA_DRIVER_FLAGS_AP) {
ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
first = 0;
}
return pos - buf;
}
static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
char *buf, size_t buflen)
{
struct hostapd_channel_data *chnl;
int ret, i, j;
char *pos, *end, *hmode;
pos = buf;
end = pos + buflen;
for (j = 0; j < wpa_s->hw.num_modes; j++) {
switch (wpa_s->hw.modes[j].mode) {
case HOSTAPD_MODE_IEEE80211B:
hmode = "B";
break;
case HOSTAPD_MODE_IEEE80211G:
hmode = "G";
break;
case HOSTAPD_MODE_IEEE80211A:
hmode = "A";
break;
case HOSTAPD_MODE_IEEE80211AD:
hmode = "AD";
break;
default:
continue;
}
ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
chnl = wpa_s->hw.modes[j].channels;
for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
continue;
ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
return pos - buf;
}
static int wpa_supplicant_ctrl_iface_get_capability(
struct wpa_supplicant *wpa_s, const char *_field, char *buf,
size_t buflen)
{
struct wpa_driver_capa capa;
int res;
char *strict;
char field[30];
size_t len;
/* Determine whether or not strict checking was requested */
len = os_strlcpy(field, _field, sizeof(field));
if (len >= sizeof(field))
return -1;
strict = os_strchr(field, ' ');
if (strict != NULL) {
*strict++ = '\0';
if (os_strcmp(strict, "strict") != 0)
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
field, strict ? strict : "");
if (os_strcmp(field, "eap") == 0) {
return eap_get_names(buf, buflen);
}
res = wpa_drv_get_capa(wpa_s, &capa);
if (os_strcmp(field, "pairwise") == 0)
return ctrl_iface_get_capability_pairwise(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "group") == 0)
return ctrl_iface_get_capability_group(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "key_mgmt") == 0)
return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "proto") == 0)
return ctrl_iface_get_capability_proto(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "auth_alg") == 0)
return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "modes") == 0)
return ctrl_iface_get_capability_modes(res, strict, &capa,
buf, buflen);
if (os_strcmp(field, "channels") == 0)
return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
field);
return -1;
}
#ifdef CONFIG_INTERWORKING
static char * anqp_add_hex(char *pos, char *end, const char *title,
struct wpabuf *data)
{
char *start = pos;
size_t i;
int ret;
const u8 *d;
if (data == NULL)
return start;
ret = os_snprintf(pos, end - pos, "%s=", title);
if (ret < 0 || ret >= end - pos)
return start;
pos += ret;
d = wpabuf_head_u8(data);
for (i = 0; i < wpabuf_len(data); i++) {
ret = os_snprintf(pos, end - pos, "%02x", *d++);
if (ret < 0 || ret >= end - pos)
return start;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return start;
pos += ret;
return pos;
}
#endif /* CONFIG_INTERWORKING */
static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
unsigned long mask, char *buf, size_t buflen)
{
size_t i;
int ret;
char *pos, *end;
const u8 *ie, *ie2;
pos = buf;
end = buf + buflen;
if (mask & WPA_BSS_MASK_ID) {
ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_BSSID) {
ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
MAC2STR(bss->bssid));
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_FREQ) {
ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_BEACON_INT) {
ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
bss->beacon_int);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_CAPABILITIES) {
ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
bss->caps);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_QUAL) {
ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_NOISE) {
ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_LEVEL) {
ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_TSF) {
ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
(unsigned long long) bss->tsf);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_AGE) {
struct os_time now;
os_get_time(&now);
ret = os_snprintf(pos, end - pos, "age=%d\n",
(int) (now.sec - bss->last_update.sec));
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_IE) {
ret = os_snprintf(pos, end - pos, "ie=");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
ie = (const u8 *) (bss + 1);
for (i = 0; i < bss->ie_len; i++) {
ret = os_snprintf(pos, end - pos, "%02x", *ie++);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_FLAGS) {
ret = os_snprintf(pos, end - pos, "flags=");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
if (ie)
pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2 + ie[1]);
ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
if (ie2)
pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2 + ie2[1]);
pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
ret = os_snprintf(pos, end - pos, "[WEP]");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (bss->caps & IEEE80211_CAP_IBSS) {
ret = os_snprintf(pos, end - pos, "[IBSS]");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (bss->caps & IEEE80211_CAP_ESS) {
ret = os_snprintf(pos, end - pos, "[ESS]");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
ret = os_snprintf(pos, end - pos, "[P2P]");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
#ifdef CONFIG_HS20
if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
ret = os_snprintf(pos, end - pos, "[HS20]");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
#endif /* CONFIG_HS20 */
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
if (mask & WPA_BSS_MASK_SSID) {
ret = os_snprintf(pos, end - pos, "ssid=%s\n",
wpa_ssid_txt(bss->ssid, bss->ssid_len));
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
#ifdef CONFIG_WPS
if (mask & WPA_BSS_MASK_WPS_SCAN) {
ie = (const u8 *) (bss + 1);
ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
if (mask & WPA_BSS_MASK_P2P_SCAN) {
ie = (const u8 *) (bss + 1);
ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_WIFI_DISPLAY
if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
struct wpabuf *wfd;
ie = (const u8 *) (bss + 1);
wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
WFD_IE_VENDOR_TYPE);
if (wfd) {
ret = os_snprintf(pos, end - pos, "wfd_subelems=");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
pos += wpa_snprintf_hex(pos, end - pos,
wpabuf_head(wfd),
wpabuf_len(wfd));
wpabuf_free(wfd);
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
}
#endif /* CONFIG_WIFI_DISPLAY */
#ifdef CONFIG_INTERWORKING
if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
struct wpa_bss_anqp *anqp = bss->anqp;
pos = anqp_add_hex(pos, end, "anqp_venue_name",
anqp->venue_name);
pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
anqp->network_auth_type);
pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
anqp->roaming_consortium);
pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
anqp->ip_addr_type_availability);
pos = anqp_add_hex(pos, end, "anqp_nai_realm",
anqp->nai_realm);
pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
pos = anqp_add_hex(pos, end, "anqp_domain_name",
anqp->domain_name);
#ifdef CONFIG_HS20
pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
anqp->hs20_operator_friendly_name);
pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
anqp->hs20_wan_metrics);
pos = anqp_add_hex(pos, end, "hs20_connection_capability",
anqp->hs20_connection_capability);
#endif /* CONFIG_HS20 */
}
#endif /* CONFIG_INTERWORKING */
if (mask & WPA_BSS_MASK_DELIM) {
ret = os_snprintf(pos, end - pos, "====\n");
if (ret < 0 || ret >= end - pos)
return 0;
pos += ret;
}
return pos - buf;
}
static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
const char *cmd, char *buf,
size_t buflen)
{
u8 bssid[ETH_ALEN];
size_t i;
struct wpa_bss *bss;
struct wpa_bss *bsslast = NULL;
struct dl_list *next;
int ret = 0;
int len;
char *ctmp;
unsigned long mask = WPA_BSS_MASK_ALL;
if (os_strncmp(cmd, "RANGE=", 6) == 0) {
if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
list_id);
bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
list_id);
} else { /* N1-N2 */
unsigned int id1, id2;
if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
wpa_printf(MSG_INFO, "Wrong BSS range "
"format");
return 0;
}
if (*(cmd + 6) == '-')
id1 = 0;
else
id1 = atoi(cmd + 6);
ctmp++;
if (*ctmp >= '0' && *ctmp <= '9')
id2 = atoi(ctmp);
else
id2 = (unsigned int) -1;
bss = wpa_bss_get_id_range(wpa_s, id1, id2);
if (id2 == (unsigned int) -1)
bsslast = dl_list_last(&wpa_s->bss_id,
struct wpa_bss,
list_id);
else {
bsslast = wpa_bss_get_id(wpa_s, id2);
if (bsslast == NULL && bss && id2 > id1) {
struct wpa_bss *tmp = bss;
for (;;) {
next = tmp->list_id.next;
if (next == &wpa_s->bss_id)
break;
tmp = dl_list_entry(
next, struct wpa_bss,
list_id);
if (tmp->id > id2)
break;
bsslast = tmp;
}
}
}
}
} else if (os_strncmp(cmd, "FIRST", 5) == 0)
bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
else if (os_strncmp(cmd, "LAST", 4) == 0)
bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
else if (os_strncmp(cmd, "ID-", 3) == 0) {
i = atoi(cmd + 3);
bss = wpa_bss_get_id(wpa_s, i);
} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
i = atoi(cmd + 5);
bss = wpa_bss_get_id(wpa_s, i);
if (bss) {
next = bss->list_id.next;
if (next == &wpa_s->bss_id)
bss = NULL;
else
bss = dl_list_entry(next, struct wpa_bss,
list_id);
}
#ifdef CONFIG_P2P
} else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
if (hwaddr_aton(cmd + 13, bssid) == 0)
bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
else
bss = NULL;
#endif /* CONFIG_P2P */
} else if (hwaddr_aton(cmd, bssid) == 0)
bss = wpa_bss_get_bssid(wpa_s, bssid);
else {
struct wpa_bss *tmp;
i = atoi(cmd);
bss = NULL;
dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
{
if (i-- == 0) {
bss = tmp;
break;
}
}
}
if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
mask = strtoul(ctmp + 5, NULL, 0x10);
if (mask == 0)
mask = WPA_BSS_MASK_ALL;
}
if (bss == NULL)
return 0;
if (bsslast == NULL)
bsslast = bss;
do {
len = print_bss_info(wpa_s, bss, mask, buf, buflen);
ret += len;
buf += len;
buflen -= len;
if (bss == bsslast) {
if ((mask & WPA_BSS_MASK_DELIM) && len &&
(bss == dl_list_last(&wpa_s->bss_id,
struct wpa_bss, list_id)))
os_snprintf(buf - 5, 5, "####\n");
break;
}
next = bss->list_id.next;
if (next == &wpa_s->bss_id)
break;
bss = dl_list_entry(next, struct wpa_bss, list_id);
} while (bss && len);
return ret;
}
static int wpa_supplicant_ctrl_iface_ap_scan(
struct wpa_supplicant *wpa_s, char *cmd)
{
int ap_scan = atoi(cmd);
return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
}
static int wpa_supplicant_ctrl_iface_scan_interval(
struct wpa_supplicant *wpa_s, char *cmd)
{
int scan_int = atoi(cmd);
return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
}
static int wpa_supplicant_ctrl_iface_bss_expire_age(
struct wpa_supplicant *wpa_s, char *cmd)
{
int expire_age = atoi(cmd);
return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
}
static int wpa_supplicant_ctrl_iface_bss_expire_count(
struct wpa_supplicant *wpa_s, char *cmd)
{
int expire_count = atoi(cmd);
return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
}
static int wpa_supplicant_ctrl_iface_bss_flush(
struct wpa_supplicant *wpa_s, char *cmd)
{
int flush_age = atoi(cmd);
if (flush_age == 0)
wpa_bss_flush(wpa_s);
else
wpa_bss_flush_by_age(wpa_s, flush_age);
return 0;
}
static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
{
wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
/* MLME-DELETEKEYS.request */
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
#ifdef CONFIG_IEEE80211W
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
#endif /* CONFIG_IEEE80211W */
wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
0);
/* MLME-SETPROTECTION.request(None) */
wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
MLME_SETPROTECTION_PROTECT_TYPE_NONE,
MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
wpa_sm_drop_sa(wpa_s->wpa);
}
static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
char *addr)
{
#ifdef CONFIG_NO_SCAN_PROCESSING
return -1;
#else /* CONFIG_NO_SCAN_PROCESSING */
u8 bssid[ETH_ALEN];
struct wpa_bss *bss;
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (hwaddr_aton(addr, bssid)) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
"address '%s'", addr);
return -1;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
if (!ssid) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
"configuration known for the target AP");
return -1;
}
bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
if (!bss) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
"from BSS table");
return -1;
}
/*
* TODO: Find best network configuration block from configuration to
* allow roaming to other networks
*/
wpa_s->reassociate = 1;
wpa_supplicant_connect(wpa_s, bss, ssid);
return 0;
#endif /* CONFIG_NO_SCAN_PROCESSING */
}
#ifdef CONFIG_P2P
static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
{
unsigned int timeout = atoi(cmd);
enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
u8 dev_id[ETH_ALEN], *_dev_id = NULL;
char *pos;
unsigned int search_delay;
if (os_strstr(cmd, "type=social"))
type = P2P_FIND_ONLY_SOCIAL;
else if (os_strstr(cmd, "type=progressive"))
type = P2P_FIND_PROGRESSIVE;
pos = os_strstr(cmd, "dev_id=");
if (pos) {
pos += 7;
if (hwaddr_aton(pos, dev_id))
return -1;
_dev_id = dev_id;
}
pos = os_strstr(cmd, "delay=");
if (pos) {
pos += 6;
search_delay = atoi(pos);
} else
search_delay = wpas_p2p_search_delay(wpa_s);
return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
search_delay);
}
static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
char *pos, *pos2;
char *pin = NULL;
enum p2p_wps_method wps_method;
int new_pin;
int ret;
int persistent_group, persistent_id = -1;
int join;
int auth;
int automatic;
int go_intent = -1;
int freq = 0;
int pd;
int ht40;
/* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
* [persistent|persistent=<network id>]
* [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
* [ht40] */
if (hwaddr_aton(cmd, addr))
return -1;
pos = cmd + 17;
if (*pos != ' ')
return -1;
pos++;
persistent_group = os_strstr(pos, " persistent") != NULL;
pos2 = os_strstr(pos, " persistent=");
if (pos2) {
struct wpa_ssid *ssid;
persistent_id = atoi(pos2 + 12);
ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
if (ssid == NULL || ssid->disabled != 2 ||
ssid->mode != WPAS_MODE_P2P_GO) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
"SSID id=%d for persistent P2P group (GO)",
persistent_id);
return -1;
}
}
join = os_strstr(pos, " join") != NULL;
auth = os_strstr(pos, " auth") != NULL;
automatic = os_strstr(pos, " auto") != NULL;
pd = os_strstr(pos, " provdisc") != NULL;
ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
pos2 = os_strstr(pos, " go_intent=");
if (pos2) {
pos2 += 11;
go_intent = atoi(pos2);
if (go_intent < 0 || go_intent > 15)
return -1;
}
pos2 = os_strstr(pos, " freq=");
if (pos2) {
pos2 += 6;
freq = atoi(pos2);
if (freq <= 0)
return -1;
}
if (os_strncmp(pos, "pin", 3) == 0) {
/* Request random PIN (to be displayed) and enable the PIN */
wps_method = WPS_PIN_DISPLAY;
} else if (os_strncmp(pos, "pbc", 3) == 0) {
wps_method = WPS_PBC;
} else {
pin = pos;
pos = os_strchr(pin, ' ');
wps_method = WPS_PIN_KEYPAD;
if (pos) {
*pos++ = '\0';
if (os_strncmp(pos, "display", 7) == 0)
wps_method = WPS_PIN_DISPLAY;
}
if (!wps_pin_str_valid(pin)) {
os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
return 17;
}
}
new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
persistent_group, automatic, join,
auth, go_intent, freq, persistent_id, pd,
ht40);
if (new_pin == -2) {
os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
return 25;
}
if (new_pin == -3) {
os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
return 25;
}
if (new_pin < 0)
return -1;
if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
ret = os_snprintf(buf, buflen, "%08d", new_pin);
if (ret < 0 || (size_t) ret >= buflen)
return -1;
return ret;
}
os_memcpy(buf, "OK\n", 3);
return 3;
}
static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
{
unsigned int timeout = atoi(cmd);
return wpas_p2p_listen(wpa_s, timeout);
}
static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
{
u8 addr[ETH_ALEN];
char *pos;
enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
/* <addr> <config method> [join|auto] */
if (hwaddr_aton(cmd, addr))
return -1;
pos = cmd + 17;
if (*pos != ' ')
return -1;
pos++;
if (os_strstr(pos, " join") != NULL)
use = WPAS_P2P_PD_FOR_JOIN;
else if (os_strstr(pos, " auto") != NULL)
use = WPAS_P2P_PD_AUTO;
return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
}
static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
size_t buflen)
{
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
ssid->passphrase == NULL)
return -1;
os_strlcpy(buf, ssid->passphrase, buflen);
return os_strlen(buf);
}
static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
char *buf, size_t buflen)
{
u64 ref;
int res;
u8 dst_buf[ETH_ALEN], *dst;
struct wpabuf *tlvs;
char *pos;
size_t len;
if (hwaddr_aton(cmd, dst_buf))
return -1;
dst = dst_buf;
if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
dst = NULL;
pos = cmd + 17;
if (*pos != ' ')
return -1;
pos++;
if (os_strncmp(pos, "upnp ", 5) == 0) {
u8 version;
pos += 5;
if (hexstr2bin(pos, &version, 1) < 0)
return -1;
pos += 2;
if (*pos != ' ')
return -1;
pos++;
ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
#ifdef CONFIG_WIFI_DISPLAY
} else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
#endif /* CONFIG_WIFI_DISPLAY */
} else {
len = os_strlen(pos);
if (len & 1)
return -1;
len /= 2;
tlvs = wpabuf_alloc(len);
if (tlvs == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
wpabuf_free(tlvs);
return -1;
}
ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
wpabuf_free(tlvs);
}
if (ref == 0)
return -1;
res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
if (res < 0 || (unsigned) res >= buflen)
return -1;
return res;
}
static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
char *cmd)
{
long long unsigned val;
u64 req;
if (sscanf(cmd, "%llx", &val) != 1)
return -1;
req = val;
return wpas_p2p_sd_cancel_request(wpa_s, req);
}
static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
{
int freq;
u8 dst[ETH_ALEN];
u8 dialog_token;
struct wpabuf *resp_tlvs;
char *pos, *pos2;
size_t len;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
freq = atoi(cmd);
if (freq == 0)
return -1;
if (hwaddr_aton(pos, dst))
return -1;
pos += 17;
if (*pos != ' ')
return -1;
pos++;
pos2 = os_strchr(pos, ' ');
if (pos2 == NULL)
return -1;
*pos2++ = '\0';
dialog_token = atoi(pos);
len = os_strlen(pos2);
if (len & 1)
return -1;
len /= 2;
resp_tlvs = wpabuf_alloc(len);
if (resp_tlvs == NULL)
return -1;
if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
wpabuf_free(resp_tlvs);
return -1;
}
wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
wpabuf_free(resp_tlvs);
return 0;
}
static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
char *cmd)
{
if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
return -1;
wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
return 0;
}
static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
char *cmd)
{
char *pos;
size_t len;
struct wpabuf *query, *resp;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
len = os_strlen(cmd);
if (len & 1)
return -1;
len /= 2;
query = wpabuf_alloc(len);
if (query == NULL)
return -1;
if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
wpabuf_free(query);
return -1;
}
len = os_strlen(pos);
if (len & 1) {
wpabuf_free(query);
return -1;
}
len /= 2;
resp = wpabuf_alloc(len);
if (resp == NULL) {
wpabuf_free(query);
return -1;
}
if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
wpabuf_free(query);
wpabuf_free(resp);
return -1;
}
if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
wpabuf_free(query);
wpabuf_free(resp);
return -1;
}
return 0;
}
static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
u8 version;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (hexstr2bin(cmd, &version, 1) < 0)
return -1;
return wpas_p2p_service_add_upnp(wpa_s, version, pos);
}
static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (os_strcmp(cmd, "bonjour") == 0)
return p2p_ctrl_service_add_bonjour(wpa_s, pos);
if (os_strcmp(cmd, "upnp") == 0)
return p2p_ctrl_service_add_upnp(wpa_s, pos);
wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
return -1;
}
static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
char *cmd)
{
size_t len;
struct wpabuf *query;
int ret;
len = os_strlen(cmd);
if (len & 1)
return -1;
len /= 2;
query = wpabuf_alloc(len);
if (query == NULL)
return -1;
if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
wpabuf_free(query);
return -1;
}
ret = wpas_p2p_service_del_bonjour(wpa_s, query);
wpabuf_free(query);
return ret;
}
static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
u8 version;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (hexstr2bin(cmd, &version, 1) < 0)
return -1;
return wpas_p2p_service_del_upnp(wpa_s, version, pos);
}
static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (os_strcmp(cmd, "bonjour") == 0)
return p2p_ctrl_service_del_bonjour(wpa_s, pos);
if (os_strcmp(cmd, "upnp") == 0)
return p2p_ctrl_service_del_upnp(wpa_s, pos);
wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
return -1;
}
static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
{
u8 addr[ETH_ALEN];
/* <addr> */
if (hwaddr_aton(cmd, addr))
return -1;
return wpas_p2p_reject(wpa_s, addr);
}
static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
int id;
struct wpa_ssid *ssid;
u8 *_peer = NULL, peer[ETH_ALEN];
int freq = 0, pref_freq = 0;
int ht40;
id = atoi(cmd);
pos = os_strstr(cmd, " peer=");
if (pos) {
pos += 6;
if (hwaddr_aton(pos, peer))
return -1;
_peer = peer;
}
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL || ssid->disabled != 2) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
"for persistent P2P group",
id);
return -1;
}
pos = os_strstr(cmd, " freq=");
if (pos) {
pos += 6;
freq = atoi(pos);
if (freq <= 0)
return -1;
}
pos = os_strstr(cmd, " pref=");
if (pos) {
pos += 6;
pref_freq = atoi(pos);
if (pref_freq <= 0)
return -1;
}
ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
}
static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
pos = os_strstr(cmd, " peer=");
if (!pos)
return -1;
*pos = '\0';
pos += 6;
if (hwaddr_aton(pos, peer)) {
wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
return -1;
}
pos = os_strstr(pos, " go_dev_addr=");
if (pos) {
pos += 13;
if (hwaddr_aton(pos, go_dev_addr)) {
wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
pos);
return -1;
}
go_dev = go_dev_addr;
}
return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
}
static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
{
if (os_strncmp(cmd, "persistent=", 11) == 0)
return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
if (os_strncmp(cmd, "group=", 6) == 0)
return p2p_ctrl_invite_group(wpa_s, cmd + 6);
return -1;
}
static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
char *cmd, int freq, int ht40)
{
int id;
struct wpa_ssid *ssid;
id = atoi(cmd);
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL || ssid->disabled != 2) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
"for persistent P2P group",
id);
return -1;
}
return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
}
static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
{
int freq = 0, ht40;
char *pos;
pos = os_strstr(cmd, "freq=");
if (pos)
freq = atoi(pos + 5);
ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
if (os_strncmp(cmd, "persistent=", 11) == 0)
return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
ht40);
if (os_strcmp(cmd, "persistent") == 0 ||
os_strncmp(cmd, "persistent ", 11) == 0)
return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
if (os_strncmp(cmd, "freq=", 5) == 0)
return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
if (ht40)
return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
cmd);
return -1;
}
static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN], *addr_ptr;
int next, res;
const struct p2p_peer_info *info;
char *pos, *end;
char devtype[WPS_DEV_TYPE_BUFSIZE];
struct wpa_ssid *ssid;
size_t i;
if (!wpa_s->global->p2p)
return -1;
if (os_strcmp(cmd, "FIRST") == 0) {
addr_ptr = NULL;
next = 0;
} else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
if (hwaddr_aton(cmd + 5, addr) < 0)
return -1;
addr_ptr = addr;
next = 1;
} else {
if (hwaddr_aton(cmd, addr) < 0)
return -1;
addr_ptr = addr;
next = 0;
}
info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
if (info == NULL)
return -1;
pos = buf;
end = buf + buflen;
res = os_snprintf(pos, end - pos, MACSTR "\n"
"pri_dev_type=%s\n"
"device_name=%s\n"
"manufacturer=%s\n"
"model_name=%s\n"
"model_number=%s\n"
"serial_number=%s\n"
"config_methods=0x%x\n"
"dev_capab=0x%x\n"
"group_capab=0x%x\n"
"level=%d\n",
MAC2STR(info->p2p_device_addr),
wps_dev_type_bin2str(info->pri_dev_type,
devtype, sizeof(devtype)),
info->device_name,
info->manufacturer,
info->model_name,
info->model_number,
info->serial_number,
info->config_methods,
info->dev_capab,
info->group_capab,
info->level);
if (res < 0 || res >= end - pos)
return pos - buf;
pos += res;
for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
{
const u8 *t;
t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
wps_dev_type_bin2str(t, devtype,
sizeof(devtype)));
if (res < 0 || res >= end - pos)
return pos - buf;
pos += res;
}
ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
if (ssid) {
res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
if (res < 0 || res >= end - pos)
return pos - buf;
pos += res;
}
res = p2p_get_peer_info_txt(info, pos, end - pos);
if (res < 0)
return pos - buf;
pos += res;
return pos - buf;
}
static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
const char *param)
{
struct wpa_freq_range *freq = NULL, *n;
unsigned int count = 0, i;
const char *pos, *pos2, *pos3;
if (wpa_s->global->p2p == NULL)
return -1;
/*
* param includes comma separated frequency range.
* For example: 2412-2432,2462,5000-6000
*/
pos = param;
while (pos && pos[0]) {
n = os_realloc_array(freq, count + 1,
sizeof(struct wpa_freq_range));
if (n == NULL) {
os_free(freq);
return -1;
}
freq = n;
freq[count].min = atoi(pos);
pos2 = os_strchr(pos, '-');
pos3 = os_strchr(pos, ',');
if (pos2 && (!pos3 || pos2 < pos3)) {
pos2++;
freq[count].max = atoi(pos2);
} else
freq[count].max = freq[count].min;
pos = pos3;
if (pos)
pos++;
count++;
}
for (i = 0; i < count; i++) {
wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
freq[i].min, freq[i].max);
}
os_free(wpa_s->global->p2p_disallow_freq);
wpa_s->global->p2p_disallow_freq = freq;
wpa_s->global->num_p2p_disallow_freq = count;
wpas_p2p_update_channel_list(wpa_s);
return 0;
}
static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
{
char *param;
if (wpa_s->global->p2p == NULL)
return -1;
param = os_strchr(cmd, ' ');
if (param == NULL)
return -1;
*param++ = '\0';
if (os_strcmp(cmd, "discoverability") == 0) {
p2p_set_client_discoverability(wpa_s->global->p2p,
atoi(param));
return 0;
}
if (os_strcmp(cmd, "managed") == 0) {
p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
return 0;
}
if (os_strcmp(cmd, "listen_channel") == 0) {
return p2p_set_listen_channel(wpa_s->global->p2p, 81,
atoi(param));
}
if (os_strcmp(cmd, "ssid_postfix") == 0) {
return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
os_strlen(param));
}
if (os_strcmp(cmd, "noa") == 0) {
char *pos;
int count, start, duration;
/* GO NoA parameters: count,start_offset(ms),duration(ms) */
count = atoi(param);
pos = os_strchr(param, ',');
if (pos == NULL)
return -1;
pos++;
start = atoi(pos);
pos = os_strchr(pos, ',');
if (pos == NULL)
return -1;
pos++;
duration = atoi(pos);
if (count < 0 || count > 255 || start < 0 || duration < 0)
return -1;
if (count == 0 && duration > 0)
return -1;
wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
"start=%d duration=%d", count, start, duration);
return wpas_p2p_set_noa(wpa_s, count, start, duration);
}
if (os_strcmp(cmd, "ps") == 0)
return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
if (os_strcmp(cmd, "oppps") == 0)
return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
if (os_strcmp(cmd, "ctwindow") == 0)
return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
if (os_strcmp(cmd, "disabled") == 0) {
wpa_s->global->p2p_disabled = atoi(param);
wpa_printf(MSG_DEBUG, "P2P functionality %s",
wpa_s->global->p2p_disabled ?
"disabled" : "enabled");
if (wpa_s->global->p2p_disabled) {
wpas_p2p_stop_find(wpa_s);
os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
p2p_flush(wpa_s->global->p2p);
}
return 0;
}
if (os_strcmp(cmd, "conc_pref") == 0) {
if (os_strcmp(param, "sta") == 0)
wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
else if (os_strcmp(param, "p2p") == 0)
wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
else {
wpa_printf(MSG_INFO, "Invalid conc_pref value");
return -1;
}
wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
"%s", param);
return 0;
}
if (os_strcmp(cmd, "force_long_sd") == 0) {
wpa_s->force_long_sd = atoi(param);
return 0;
}
if (os_strcmp(cmd, "peer_filter") == 0) {
u8 addr[ETH_ALEN];
if (hwaddr_aton(param, addr))
return -1;
p2p_set_peer_filter(wpa_s->global->p2p, addr);
return 0;
}
if (os_strcmp(cmd, "cross_connect") == 0)
return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
if (os_strcmp(cmd, "go_apsd") == 0) {
if (os_strcmp(param, "disable") == 0)
wpa_s->set_ap_uapsd = 0;
else {
wpa_s->set_ap_uapsd = 1;
wpa_s->ap_uapsd = atoi(param);
}
return 0;
}
if (os_strcmp(cmd, "client_apsd") == 0) {
if (os_strcmp(param, "disable") == 0)
wpa_s->set_sta_uapsd = 0;
else {
int be, bk, vi, vo;
char *pos;
/* format: BE,BK,VI,VO;max SP Length */
be = atoi(param);
pos = os_strchr(param, ',');
if (pos == NULL)
return -1;
pos++;
bk = atoi(pos);
pos = os_strchr(pos, ',');
if (pos == NULL)
return -1;
pos++;
vi = atoi(pos);
pos = os_strchr(pos, ',');
if (pos == NULL)
return -1;
pos++;
vo = atoi(pos);
/* ignore max SP Length for now */
wpa_s->set_sta_uapsd = 1;
wpa_s->sta_uapsd = 0;
if (be)
wpa_s->sta_uapsd |= BIT(0);
if (bk)
wpa_s->sta_uapsd |= BIT(1);
if (vi)
wpa_s->sta_uapsd |= BIT(2);
if (vo)
wpa_s->sta_uapsd |= BIT(3);
}
return 0;
}
if (os_strcmp(cmd, "disallow_freq") == 0)
return p2p_ctrl_disallow_freq(wpa_s, param);
if (os_strcmp(cmd, "disc_int") == 0) {
int min_disc_int, max_disc_int, max_disc_tu;
char *pos;
pos = param;
min_disc_int = atoi(pos);
pos = os_strchr(pos, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
max_disc_int = atoi(pos);
pos = os_strchr(pos, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
max_disc_tu = atoi(pos);
return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
max_disc_int, max_disc_tu);
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
cmd);
return -1;
}
static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
{
os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
wpa_s->force_long_sd = 0;
if (wpa_s->global->p2p)
p2p_flush(wpa_s->global->p2p);
}
static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos, *pos2;
unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
if (cmd[0]) {
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
dur1 = atoi(cmd);
pos2 = os_strchr(pos, ' ');
if (pos2)
*pos2++ = '\0';
int1 = atoi(pos);
} else
pos2 = NULL;
if (pos2) {
pos = os_strchr(pos2, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
dur2 = atoi(pos2);
int2 = atoi(pos);
}
return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
}
static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
{
char *pos;
unsigned int period = 0, interval = 0;
if (cmd[0]) {
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
period = atoi(cmd);
interval = atoi(pos);
}
return wpas_p2p_ext_listen(wpa_s, period, interval);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_INTERWORKING
static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
{
u8 bssid[ETH_ALEN];
struct wpa_bss *bss;
if (hwaddr_aton(dst, bssid)) {
wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
return -1;
}
bss = wpa_bss_get_bssid(wpa_s, bssid);
if (bss == NULL) {
wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
MAC2STR(bssid));
return -1;
}
return interworking_connect(wpa_s, bss);
}
static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
{
u8 dst_addr[ETH_ALEN];
int used;
char *pos;
#define MAX_ANQP_INFO_ID 100
u16 id[MAX_ANQP_INFO_ID];
size_t num_id = 0;
used = hwaddr_aton2(dst, dst_addr);
if (used < 0)
return -1;
pos = dst + used;
while (num_id < MAX_ANQP_INFO_ID) {
id[num_id] = atoi(pos);
if (id[num_id])
num_id++;
pos = os_strchr(pos + 1, ',');
if (pos == NULL)
break;
pos++;
}
if (num_id == 0)
return -1;
return anqp_send_req(wpa_s, dst_addr, id, num_id);
}
static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
{
u8 dst_addr[ETH_ALEN];
struct wpabuf *advproto, *query = NULL;
int used, ret = -1;
char *pos, *end;
size_t len;
used = hwaddr_aton2(cmd, dst_addr);
if (used < 0)
return -1;
pos = cmd + used;
while (*pos == ' ')
pos++;
/* Advertisement Protocol ID */
end = os_strchr(pos, ' ');
if (end)
len = end - pos;
else
len = os_strlen(pos);
if (len & 0x01)
return -1;
len /= 2;
if (len == 0)
return -1;
advproto = wpabuf_alloc(len);
if (advproto == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
goto fail;
if (end) {
/* Optional Query Request */
pos = end + 1;
while (*pos == ' ')
pos++;
len = os_strlen(pos);
if (len) {
if (len & 0x01)
goto fail;
len /= 2;
if (len == 0)
goto fail;
query = wpabuf_alloc(len);
if (query == NULL)
goto fail;
if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
goto fail;
}
}
ret = gas_send_request(wpa_s, dst_addr, advproto, query);
fail:
wpabuf_free(advproto);
wpabuf_free(query);
return ret;
}
static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
size_t buflen)
{
u8 addr[ETH_ALEN];
int dialog_token;
int used;
char *pos;
size_t resp_len, start, requested_len;
if (!wpa_s->last_gas_resp)
return -1;
used = hwaddr_aton2(cmd, addr);
if (used < 0)
return -1;
pos = cmd + used;
while (*pos == ' ')
pos++;
dialog_token = atoi(pos);
if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
dialog_token != wpa_s->last_gas_dialog_token)
return -1;
resp_len = wpabuf_len(wpa_s->last_gas_resp);
start = 0;
requested_len = resp_len;
pos = os_strchr(pos, ' ');
if (pos) {
start = atoi(pos);
if (start > resp_len)
return os_snprintf(buf, buflen, "FAIL-Invalid range");
pos = os_strchr(pos, ',');
if (pos == NULL)
return -1;
pos++;
requested_len = atoi(pos);
if (start + requested_len > resp_len)
return os_snprintf(buf, buflen, "FAIL-Invalid range");
}
if (requested_len * 2 + 1 > buflen)
return os_snprintf(buf, buflen, "FAIL-Too long response");
return wpa_snprintf_hex(buf, buflen,
wpabuf_head_u8(wpa_s->last_gas_resp) + start,
requested_len);
}
#endif /* CONFIG_INTERWORKING */
#ifdef CONFIG_HS20
static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
{
u8 dst_addr[ETH_ALEN];
int used;
char *pos;
u32 subtypes = 0;
used = hwaddr_aton2(dst, dst_addr);
if (used < 0)
return -1;
pos = dst + used;
for (;;) {
int num = atoi(pos);
if (num <= 0 || num > 31)
return -1;
subtypes |= BIT(num);
pos = os_strchr(pos + 1, ',');
if (pos == NULL)
break;
pos++;
}
if (subtypes == 0)
return -1;
return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
}
static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
const u8 *addr, const char *realm)
{
u8 *buf;
size_t rlen, len;
int ret;
rlen = os_strlen(realm);
len = 3 + rlen;
buf = os_malloc(len);
if (buf == NULL)
return -1;
buf[0] = 1; /* NAI Home Realm Count */
buf[1] = 0; /* Formatted in accordance with RFC 4282 */
buf[2] = rlen;
os_memcpy(buf + 3, realm, rlen);
ret = hs20_anqp_send_req(wpa_s, addr,
BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
buf, len);
os_free(buf);
return ret;
}
static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
char *dst)
{
struct wpa_cred *cred = wpa_s->conf->cred;
u8 dst_addr[ETH_ALEN];
int used;
u8 *buf;
size_t len;
int ret;
used = hwaddr_aton2(dst, dst_addr);
if (used < 0)
return -1;
while (dst[used] == ' ')
used++;
if (os_strncmp(dst + used, "realm=", 6) == 0)
return hs20_nai_home_realm_list(wpa_s, dst_addr,
dst + used + 6);
len = os_strlen(dst + used);
if (len == 0 && cred && cred->realm)
return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
if (len % 1)
return -1;
len /= 2;
buf = os_malloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(dst + used, buf, len) < 0) {
os_free(buf);
return -1;
}
ret = hs20_anqp_send_req(wpa_s, dst_addr,
BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
buf, len);
os_free(buf);
return ret;
}
#endif /* CONFIG_HS20 */
static int wpa_supplicant_ctrl_iface_sta_autoconnect(
struct wpa_supplicant *wpa_s, char *cmd)
{
wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
return 0;
}
#ifdef CONFIG_AUTOSCAN
static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
char *cmd)
{
enum wpa_states state = wpa_s->wpa_state;
char *new_params = NULL;
if (os_strlen(cmd) > 0) {
new_params = os_strdup(cmd);
if (new_params == NULL)
return -1;
}
os_free(wpa_s->conf->autoscan);
wpa_s->conf->autoscan = new_params;
if (wpa_s->conf->autoscan == NULL)
autoscan_deinit(wpa_s);
else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
autoscan_init(wpa_s, 1);
else if (state == WPA_SCANNING)
wpa_supplicant_reinit_autoscan(wpa_s);
return 0;
}
#endif /* CONFIG_AUTOSCAN */
#ifdef CONFIG_WNM
static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
{
int enter;
int intval = 0;
char *pos;
int ret;
struct wpabuf *tfs_req = NULL;
if (os_strncmp(cmd, "enter", 5) == 0)
enter = 1;
else if (os_strncmp(cmd, "exit", 4) == 0)
enter = 0;
else
return -1;
pos = os_strstr(cmd, " interval=");
if (pos)
intval = atoi(pos + 10);
pos = os_strstr(cmd, " tfs_req=");
if (pos) {
char *end;
size_t len;
pos += 9;
end = os_strchr(pos, ' ');
if (end)
len = end - pos;
else
len = os_strlen(pos);
if (len & 1)
return -1;
len /= 2;
tfs_req = wpabuf_alloc(len);
if (tfs_req == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
wpabuf_free(tfs_req);
return -1;
}
}
ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
WNM_SLEEP_MODE_EXIT, intval,
tfs_req);
wpabuf_free(tfs_req);
return ret;
}
#endif /* CONFIG_WNM */
static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
size_t buflen)
{
struct wpa_signal_info si;
int ret;
ret = wpa_drv_signal_poll(wpa_s, &si);
if (ret)
return -1;
ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
"NOISE=%d\nFREQUENCY=%u\n",
si.current_signal, si.current_txrate / 1000,
si.current_noise, si.frequency);
if (ret < 0 || (unsigned int) ret > buflen)
return -1;
return ret;
}
static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
size_t buflen)
{
struct hostap_sta_driver_data sta;
int ret;
ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
if (ret)
return -1;
ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
if (ret < 0 || (size_t) ret > buflen)
return -1;
return ret;
}
#ifdef ANDROID
static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
char *buf, size_t buflen)
{
int ret;
ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
if (ret == 0)
ret = sprintf(buf, "%s\n", "OK");
return ret;
}
#endif
static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
{
wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
#ifdef CONFIG_P2P
wpas_p2p_stop_find(wpa_s);
p2p_ctrl_flush(wpa_s);
wpas_p2p_group_remove(wpa_s, "*");
#endif /* CONFIG_P2P */
#ifdef CONFIG_WPS_TESTING
wps_version_number = 0x20;
wps_testing_dummy_cred = 0;
#endif /* CONFIG_WPS_TESTING */
#ifdef CONFIG_WPS
wpas_wps_cancel(wpa_s);
#endif /* CONFIG_WPS */
#ifdef CONFIG_TDLS_TESTING
extern unsigned int tdls_testing;
tdls_testing = 0;
#endif /* CONFIG_TDLS_TESTING */
#ifdef CONFIG_TDLS
wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
wpa_tdls_enable(wpa_s->wpa, 1);
#endif /* CONFIG_TDLS */
wpa_s->no_keep_alive = 0;
os_free(wpa_s->disallow_aps_bssid);
wpa_s->disallow_aps_bssid = NULL;
wpa_s->disallow_aps_bssid_count = 0;
os_free(wpa_s->disallow_aps_ssid);
wpa_s->disallow_aps_ssid = NULL;
wpa_s->disallow_aps_ssid_count = 0;
wpa_s->set_sta_uapsd = 0;
wpa_s->sta_uapsd = 0;
wpa_drv_radio_disable(wpa_s, 0);
wpa_bss_flush(wpa_s);
wpa_blacklist_clear(wpa_s);
wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
}
char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
char *buf, size_t *resp_len)
{
char *reply;
const int reply_size = 4096;
int ctrl_rsp = 0;
int reply_len;
if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
(const u8 *) buf, os_strlen(buf));
} else {
int level = MSG_DEBUG;
if (os_strcmp(buf, "PING") == 0)
level = MSG_EXCESSIVE;
wpa_hexdump_ascii(level, "RX ctrl_iface",
(const u8 *) buf, os_strlen(buf));
wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
}
reply = os_malloc(reply_size);
if (reply == NULL) {
*resp_len = 1;
return NULL;
}
os_memcpy(reply, "OK\n", 3);
reply_len = 3;
if (os_strcmp(buf, "PING") == 0) {
os_memcpy(reply, "PONG\n", 5);
reply_len = 5;
} else if (os_strcmp(buf, "IFNAME") == 0) {
reply_len = os_strlen(wpa_s->ifname);
os_memcpy(reply, wpa_s->ifname, reply_len);
} else if (os_strncmp(buf, "RELOG", 5) == 0) {
if (wpa_debug_reopen_file() < 0)
reply_len = -1;
} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
} else if (os_strcmp(buf, "MIB") == 0) {
reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
if (reply_len >= 0) {
int res;
res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
reply_size - reply_len);
if (res < 0)
reply_len = -1;
else
reply_len += res;
}
} else if (os_strncmp(buf, "STATUS", 6) == 0) {
reply_len = wpa_supplicant_ctrl_iface_status(
wpa_s, buf + 6, reply, reply_size);
} else if (os_strcmp(buf, "PMKSA") == 0) {
reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
reply_size);
} else if (os_strncmp(buf, "SET ", 4) == 0) {
if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
reply_len = -1;
} else if (os_strncmp(buf, "GET ", 4) == 0) {
reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
reply, reply_size);
} else if (os_strcmp(buf, "LOGON") == 0) {
eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
} else if (os_strcmp(buf, "LOGOFF") == 0) {
eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
} else if (os_strcmp(buf, "REASSOCIATE") == 0) {
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
reply_len = -1;
else
wpas_request_connection(wpa_s);
} else if (os_strcmp(buf, "RECONNECT") == 0) {
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
reply_len = -1;
else if (wpa_s->disconnected)
wpas_request_connection(wpa_s);
#ifdef IEEE8021X_EAPOL
} else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
reply_len = -1;
#endif /* IEEE8021X_EAPOL */
#ifdef CONFIG_PEERKEY
} else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
reply_len = -1;
#endif /* CONFIG_PEERKEY */
#ifdef CONFIG_IEEE80211R
} else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
reply_len = -1;
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_WPS
} else if (os_strcmp(buf, "WPS_PBC") == 0) {
int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
if (res == -2) {
os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
reply_len = 17;
} else if (res)
reply_len = -1;
} else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
if (res == -2) {
os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
reply_len = 17;
} else if (res)
reply_len = -1;
} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
reply,
reply_size);
} else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
wpa_s, buf + 14, reply, reply_size);
} else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
if (wpas_wps_cancel(wpa_s))
reply_len = -1;
#ifdef CONFIG_WPS_NFC
} else if (os_strcmp(buf, "WPS_NFC") == 0) {
if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
wpa_s, buf + 21, reply, reply_size);
} else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
wpa_s, buf + 14, reply, reply_size);
} else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
buf + 17))
reply_len = -1;
} else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
reply_len = wpas_ctrl_nfc_get_handover_req(
wpa_s, buf + 21, reply, reply_size);
} else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
reply_len = wpas_ctrl_nfc_get_handover_sel(
wpa_s, buf + 21, reply, reply_size);
} else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
reply_len = wpas_ctrl_nfc_rx_handover_req(
wpa_s, buf + 20, reply, reply_size);
} else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
reply_len = -1;
} else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
reply_len = -1;
#endif /* CONFIG_WPS_NFC */
} else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
reply_len = -1;
#ifdef CONFIG_AP
} else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
wpa_s, buf + 11, reply, reply_size);
#endif /* CONFIG_AP */
#ifdef CONFIG_WPS_ER
} else if (os_strcmp(buf, "WPS_ER_START") == 0) {
if (wpas_wps_er_start(wpa_s, NULL))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
if (wpas_wps_er_start(wpa_s, buf + 13))
reply_len = -1;
} else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
if (wpas_wps_er_stop(wpa_s))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
if (ret == -2) {
os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
reply_len = 17;
} else if (ret == -3) {
os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
reply_len = 18;
} else if (ret == -4) {
os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
reply_len = 20;
} else if (ret)
reply_len = -1;
} else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
buf + 18))
reply_len = -1;
} else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
reply_len = -1;
#ifdef CONFIG_WPS_NFC
} else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
wpa_s, buf + 24, reply, reply_size);
#endif /* CONFIG_WPS_NFC */
#endif /* CONFIG_WPS_ER */
#endif /* CONFIG_WPS */
#ifdef CONFIG_IBSS_RSN
} else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
reply_len = -1;
#endif /* CONFIG_IBSS_RSN */
#ifdef CONFIG_P2P
} else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
if (p2p_ctrl_find(wpa_s, buf + 9))
reply_len = -1;
} else if (os_strcmp(buf, "P2P_FIND") == 0) {
if (p2p_ctrl_find(wpa_s, ""))
reply_len = -1;
} else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
wpas_p2p_stop_find(wpa_s);
} else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
reply_size);
} else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
if (p2p_ctrl_listen(wpa_s, buf + 11))
reply_len = -1;
} else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
if (p2p_ctrl_listen(wpa_s, ""))
reply_len = -1;
} else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
if (wpas_p2p_group_remove(wpa_s, buf + 17))
reply_len = -1;
} else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
reply_len = -1;
} else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
if (p2p_ctrl_group_add(wpa_s, buf + 14))
reply_len = -1;
} else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
reply_len = -1;
} else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
} else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
reply_size);
} else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
#ifdef ANDROID_P2P
wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
#else
wpas_p2p_sd_service_update(wpa_s);
#endif
} else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
wpas_p2p_service_flush(wpa_s);
} else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
reply_size);
} else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
p2p_ctrl_flush(wpa_s);
} else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
if (wpas_p2p_cancel(wpa_s))
reply_len = -1;
} else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
if (p2p_ctrl_presence_req(wpa_s, "") < 0)
reply_len = -1;
} else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
reply_len = -1;
} else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
reply_len = -1;
#endif /* CONFIG_P2P */
#ifdef CONFIG_WIFI_DISPLAY
} else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
reply, reply_size);
#endif /* CONFIG_WIFI_DISPLAY */
#ifdef CONFIG_INTERWORKING
} else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
if (interworking_fetch_anqp(wpa_s) < 0)
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)
reply_len = -1;
} else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
if (get_anqp(wpa_s, buf + 9) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
if (gas_request(wpa_s, buf + 12) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
reply_len = gas_response_get(wpa_s, buf + 17, reply,
reply_size);
#endif /* CONFIG_INTERWORKING */
#ifdef CONFIG_HS20
} else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
if (get_hs20_anqp(wpa_s, buf + 14) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
reply_len = -1;
#endif /* CONFIG_HS20 */
} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
{
if (wpa_supplicant_ctrl_iface_ctrl_rsp(
wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
reply_len = -1;
else
ctrl_rsp = 1;
} else if (os_strcmp(buf, "RECONFIGURE") == 0) {
if (wpa_supplicant_reload_configuration(wpa_s))
reply_len = -1;
} else if (os_strcmp(buf, "TERMINATE") == 0) {
wpa_supplicant_terminate_proc(wpa_s->global);
} else if (os_strncmp(buf, "BSSID ", 6) == 0) {
if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
reply_len = -1;
} else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
reply_len = wpa_supplicant_ctrl_iface_blacklist(
wpa_s, buf + 9, reply, reply_size);
} else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
reply_len = wpa_supplicant_ctrl_iface_log_level(
wpa_s, buf + 9, reply, reply_size);
} else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
reply_len = wpa_supplicant_ctrl_iface_list_networks(
wpa_s, reply, reply_size);
} else if (os_strcmp(buf, "DISCONNECT") == 0) {
#ifdef CONFIG_SME
wpa_s->sme.prev_bssid_set = 0;
#endif /* CONFIG_SME */
wpa_s->reassociate = 0;
wpa_s->disconnected = 1;
wpa_supplicant_cancel_sched_scan(wpa_s);
wpa_supplicant_cancel_scan(wpa_s);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
} else if (os_strcmp(buf, "SCAN") == 0 ||
os_strncmp(buf, "SCAN ", 5) == 0) {
if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
reply_len = -1;
else {
if (os_strlen(buf) > 4 &&
os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
wpa_s->scan_res_handler = scan_only_handler;
if (!wpa_s->sched_scanning && !wpa_s->scanning &&
((wpa_s->wpa_state <= WPA_SCANNING) ||
(wpa_s->wpa_state == WPA_COMPLETED))) {
wpa_s->normal_scans = 0;
wpa_s->scan_req = MANUAL_SCAN_REQ;
wpa_supplicant_req_scan(wpa_s, 0, 0);
} else if (wpa_s->sched_scanning) {
wpa_printf(MSG_DEBUG, "Stop ongoing "
"sched_scan to allow requested "
"full scan to proceed");
wpa_supplicant_cancel_sched_scan(wpa_s);
wpa_s->scan_req = MANUAL_SCAN_REQ;
wpa_supplicant_req_scan(wpa_s, 0, 0);
} else {
wpa_printf(MSG_DEBUG, "Ongoing scan action - "
"reject new request");
reply_len = os_snprintf(reply, reply_size,
"FAIL-BUSY\n");
}
}
} else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
reply_len = wpa_supplicant_ctrl_iface_scan_results(
wpa_s, reply, reply_size);
} else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
reply_len = -1;
} else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
reply_len = -1;
} else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
reply_len = -1;
} else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
reply_len = wpa_supplicant_ctrl_iface_add_network(
wpa_s, reply, reply_size);
} else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
reply_len = -1;
} else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
reply_len = -1;
} else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
reply_len = wpa_supplicant_ctrl_iface_get_network(
wpa_s, buf + 12, reply, reply_size);
} else if (os_strcmp(buf, "LIST_CREDS") == 0) {
reply_len = wpa_supplicant_ctrl_iface_list_creds(
wpa_s, reply, reply_size);
} else if (os_strcmp(buf, "ADD_CRED") == 0) {
reply_len = wpa_supplicant_ctrl_iface_add_cred(
wpa_s, reply, reply_size);
} else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
reply_len = -1;
} else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
reply_len = -1;
#ifndef CONFIG_NO_CONFIG_WRITE
} else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
reply_len = -1;
#endif /* CONFIG_NO_CONFIG_WRITE */
} else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
reply_len = wpa_supplicant_ctrl_iface_get_capability(
wpa_s, buf + 15, reply, reply_size);
} else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
reply_len = -1;
} else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
reply_len = -1;
} 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) {
reply_len = wpa_supplicant_global_iface_interfaces(
wpa_s->global, 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);
#ifdef CONFIG_AP
} else if (os_strcmp(buf, "STA-FIRST") == 0) {
reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
} else if (os_strncmp(buf, "STA ", 4) == 0) {
reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
reply_size);
} else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
reply_size);
} else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
reply_len = -1;
} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
reply_len = -1;
#endif /* CONFIG_AP */
} else if (os_strcmp(buf, "SUSPEND") == 0) {
wpas_notify_suspend(wpa_s->global);
} else if (os_strcmp(buf, "RESUME") == 0) {
wpas_notify_resume(wpa_s->global);
} else if (os_strcmp(buf, "DROP_SA") == 0) {
wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
} else if (os_strncmp(buf, "ROAM ", 5) == 0) {
if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
reply_len = -1;
} else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
reply_len = -1;
} else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
reply_len = -1;
} else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
buf + 17))
reply_len = -1;
} else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
reply_len = -1;
#ifdef CONFIG_TDLS
} else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
reply_len = -1;
} else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
reply_len = -1;
} else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
reply_len = -1;
#endif /* CONFIG_TDLS */
} else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
reply_size);
} else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
reply_size);
#ifdef CONFIG_AUTOSCAN
} else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
reply_len = -1;
#endif /* CONFIG_AUTOSCAN */
#ifdef ANDROID
} else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
reply_size);
#endif
} else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
pmksa_cache_clear_current(wpa_s->wpa);
eapol_sm_request_reauth(wpa_s->eapol);
#ifdef CONFIG_WNM
} else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
reply_len = -1;
#endif /* CONFIG_WNM */
} else if (os_strcmp(buf, "FLUSH") == 0) {
wpa_supplicant_ctrl_iface_flush(wpa_s);
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
reply_len = 16;
}
if (reply_len < 0) {
os_memcpy(reply, "FAIL\n", 5);
reply_len = 5;
}
if (ctrl_rsp)
eapol_sm_notify_ctrl_response(wpa_s->eapol);
*resp_len = reply_len;
return reply;
}
static int wpa_supplicant_global_iface_add(struct wpa_global *global,
char *cmd)
{
struct wpa_interface iface;
char *pos;
/*
* <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
* TAB<bridge_ifname>
*/
wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
os_memset(&iface, 0, sizeof(iface));
do {
iface.ifname = pos = cmd;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.ifname[0] == '\0')
return -1;
if (pos == NULL)
break;
iface.confname = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.confname[0] == '\0')
iface.confname = NULL;
if (pos == NULL)
break;
iface.driver = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.driver[0] == '\0')
iface.driver = NULL;
if (pos == NULL)
break;
iface.ctrl_interface = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.ctrl_interface[0] == '\0')
iface.ctrl_interface = NULL;
if (pos == NULL)
break;
iface.driver_param = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.driver_param[0] == '\0')
iface.driver_param = NULL;
if (pos == NULL)
break;
iface.bridge_ifname = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.bridge_ifname[0] == '\0')
iface.bridge_ifname = NULL;
if (pos == NULL)
break;
} while (0);
if (wpa_supplicant_get_iface(global, iface.ifname))
return -1;
return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
}
static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
char *cmd)
{
struct wpa_supplicant *wpa_s;
wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
wpa_s = wpa_supplicant_get_iface(global, cmd);
if (wpa_s == NULL)
return -1;
return wpa_supplicant_remove_iface(global, wpa_s, 0);
}
static void wpa_free_iface_info(struct wpa_interface_info *iface)
{
struct wpa_interface_info *prev;
while (iface) {
prev = iface;
iface = iface->next;
os_free(prev->ifname);
os_free(prev->desc);
os_free(prev);
}
}
static int wpa_supplicant_global_iface_list(struct wpa_global *global,
char *buf, int len)
{
int i, res;
struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
char *pos, *end;
for (i = 0; wpa_drivers[i]; i++) {
struct wpa_driver_ops *drv = wpa_drivers[i];
if (drv->get_interfaces == NULL)
continue;
tmp = drv->get_interfaces(global->drv_priv[i]);
if (tmp == NULL)
continue;
if (last == NULL)
iface = last = tmp;
else
last->next = tmp;
while (last->next)
last = last->next;
}
pos = buf;
end = buf + len;
for (tmp = iface; tmp; tmp = tmp->next) {
res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
tmp->drv_name, tmp->ifname,
tmp->desc ? tmp->desc : "");
if (res < 0 || res >= end - pos) {
*pos = '\0';
break;
}
pos += res;
}
wpa_free_iface_info(iface);
return pos - buf;
}
static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
char *buf, int len)
{
int res;
char *pos, *end;
struct wpa_supplicant *wpa_s;
wpa_s = global->ifaces;
pos = buf;
end = buf + len;
while (wpa_s) {
res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
if (res < 0 || res >= end - pos) {
*pos = '\0';
break;
}
pos += res;
wpa_s = wpa_s->next;
}
return pos - buf;
}
char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
char *buf, size_t *resp_len)
{
char *reply;
const int reply_size = 2048;
int reply_len;
int level = MSG_DEBUG;
if (os_strcmp(buf, "PING") == 0)
level = MSG_EXCESSIVE;
wpa_hexdump_ascii(level, "RX global ctrl_iface",
(const u8 *) buf, os_strlen(buf));
reply = os_malloc(reply_size);
if (reply == NULL) {
*resp_len = 1;
return NULL;
}
os_memcpy(reply, "OK\n", 3);
reply_len = 3;
if (os_strcmp(buf, "PING") == 0) {
os_memcpy(reply, "PONG\n", 5);
reply_len = 5;
} else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
if (wpa_supplicant_global_iface_add(global, buf + 14))
reply_len = -1;
} else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
if (wpa_supplicant_global_iface_remove(global, buf + 17))
reply_len = -1;
} 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) {
reply_len = wpa_supplicant_global_iface_interfaces(
global, reply, reply_size);
} else if (os_strcmp(buf, "TERMINATE") == 0) {
wpa_supplicant_terminate_proc(global);
} else if (os_strcmp(buf, "SUSPEND") == 0) {
wpas_notify_suspend(global);
} else if (os_strcmp(buf, "RESUME") == 0) {
wpas_notify_resume(global);
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
reply_len = 16;
}
if (reply_len < 0) {
os_memcpy(reply, "FAIL\n", 5);
reply_len = 5;
}
*resp_len = reply_len;
return reply;
}