blob: 775a686cdd5b81d854a8fc5380b031efa257f9fa [file] [log] [blame]
/*
* WPA Supplicant / Control interface (shared code for all backends)
* Copyright (c) 2004-2010, 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/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 "notify.h"
#include "bss.h"
#include "scan.h"
#include "ctrl_iface.h"
#include "interworking.h"
#include "blacklist.h"
#include "wpas_glue.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;
os_memset(&params, 0, sizeof(params));
num_ssid = 0;
ssid = wpa_s->conf->ssid;
while (ssid) {
if (!ssid->disabled)
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 (!ssid->disabled) {
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;
}
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)
{
if (wpa_s->pno) {
wpa_s->pno = 0;
return wpa_drv_stop_sched_scan(wpa_s);
}
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, "ps") == 0) {
ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
} 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]);
}
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));
ret = wpa_tdls_reneg(wpa_s->wpa, peer);
if (ret) {
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) {
_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)
return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
buf, buflen);
#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_OOB
static int wpa_supplicant_ctrl_iface_wps_oob(struct wpa_supplicant *wpa_s,
char *cmd)
{
char *path, *method, *name;
path = os_strchr(cmd, ' ');
if (path == NULL)
return -1;
*path++ = '\0';
method = os_strchr(path, ' ');
if (method == NULL)
return -1;
*method++ = '\0';
name = os_strchr(method, ' ');
if (name != NULL)
*name++ = '\0';
return wpas_wps_start_oob(wpa_s, cmd, path, method, name);
}
#endif /* CONFIG_WPS_OOB */
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);
}
#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 */
int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
const char *field,
const char *value)
{
#ifdef IEEE8021X_EAPOL
struct eap_peer_config *eap = &ssid->eap;
wpa_printf(MSG_DEBUG, "CTRL_IFACE: response handle field=%s", field);
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: response value",
(const u8 *) value, os_strlen(value));
switch (wpa_supplicant_ctrl_req_from_string(field)) {
case WPA_CTRL_REQ_EAP_IDENTITY:
os_free(eap->identity);
eap->identity = (u8 *) os_strdup(value);
eap->identity_len = os_strlen(value);
eap->pending_req_identity = 0;
if (ssid == wpa_s->current_ssid)
wpa_s->reassociate = 1;
break;
case WPA_CTRL_REQ_EAP_PASSWORD:
os_free(eap->password);
eap->password = (u8 *) os_strdup(value);
eap->password_len = os_strlen(value);
eap->pending_req_password = 0;
if (ssid == wpa_s->current_ssid)
wpa_s->reassociate = 1;
break;
case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
os_free(eap->new_password);
eap->new_password = (u8 *) os_strdup(value);
eap->new_password_len = os_strlen(value);
eap->pending_req_new_password = 0;
if (ssid == wpa_s->current_ssid)
wpa_s->reassociate = 1;
break;
case WPA_CTRL_REQ_EAP_PIN:
os_free(eap->pin);
eap->pin = os_strdup(value);
eap->pending_req_pin = 0;
if (ssid == wpa_s->current_ssid)
wpa_s->reassociate = 1;
break;
case WPA_CTRL_REQ_EAP_OTP:
os_free(eap->otp);
eap->otp = (u8 *) os_strdup(value);
eap->otp_len = os_strlen(value);
os_free(eap->pending_req_otp);
eap->pending_req_otp = NULL;
eap->pending_req_otp_len = 0;
break;
case WPA_CTRL_REQ_EAP_PASSPHRASE:
os_free(eap->private_key_passwd);
eap->private_key_passwd = (u8 *) os_strdup(value);
eap->pending_req_passphrase = 0;
if (ssid == wpa_s->current_ssid)
wpa_s->reassociate = 1;
break;
default:
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown field '%s'", field);
return -1;
}
return 0;
#else /* IEEE8021X_EAPOL */
wpa_printf(MSG_DEBUG, "CTRL_IFACE: IEEE 802.1X not included");
return -1;
#endif /* IEEE8021X_EAPOL */
}
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);
}
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;
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->pending_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), wpa_s->reassociated_connection ?
"(reauth)" : "(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",
ssid == wpa_s->current_ssid ?
"[CURRENT]" : "",
ssid->disabled ? "[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 first = 1, ret;
ret = os_snprintf(pos, end - pos, "-");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
if (cipher & WPA_CIPHER_NONE) {
ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (cipher & WPA_CIPHER_WEP40) {
ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (cipher & WPA_CIPHER_WEP104) {
ret = os_snprintf(pos, end - pos, "%sWEP104",
first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (cipher & WPA_CIPHER_TKIP) {
ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
if (cipher & WPA_CIPHER_CCMP) {
ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : "+");
if (ret < 0 || ret >= end - pos)
return pos;
pos += ret;
first = 0;
}
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;
}
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;
}
}
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;
/* cmd: "<network id>" or "all" */
if (os_strcmp(cmd, "all") == 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
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);
}
eapol_sm_invalidate_cached_session(wpa_s->eapol);
if (wpa_s->current_ssid) {
wpa_sm_set_config(wpa_s->wpa, NULL);
eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
wpa_supplicant_disassociate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
}
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_config_remove_network(wpa_s->conf, id) < 0) {
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) {
/*
* 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_disassociate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
}
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;
}
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;
}
#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_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_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 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);
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;
}
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_INTERWORKING
if (mask & WPA_BSS_MASK_INTERNETW) {
pos = anqp_add_hex(pos, end, "anqp_venue_name",
bss->anqp_venue_name);
pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
bss->anqp_network_auth_type);
pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
bss->anqp_roaming_consortium);
pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
bss->anqp_ip_addr_type_availability);
pos = anqp_add_hex(pos, end, "anqp_nai_realm",
bss->anqp_nai_realm);
pos = anqp_add_hex(pos, end, "anqp_3gpp", bss->anqp_3gpp);
pos = anqp_add_hex(pos, end, "anqp_domain_name",
bss->anqp_domain_name);
}
#endif /* CONFIG_INTERWORKING */
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;
}
id1 = atoi(cmd + 6);
bss = wpa_bss_get_id(wpa_s, id1);
id2 = atoi(ctmp + 1);
if (id2 == 0)
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_strcmp(cmd, "FIRST") == 0)
bss = dl_list_first(&wpa_s->bss, struct wpa_bss, list);
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)
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);
if (scan_int < 0)
return -1;
wpa_s->scan_interval = scan_int;
return 0;
}
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);
}