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hostap/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
Jouni Malinen 77fcbf7ff1 D-Bus: Use a helper function to get possibly NULL strings 
This type of check is used in quite a few getter functions, so add a
helper function to take care of it.

Signed-off-by: Jouni Malinen <j@w1.fi>
2016-12-23 21:28:43 +02:00

3020 lines
80 KiB
C
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/*
* WPA Supplicant / dbus-based control interface (P2P)
* Copyright (c) 2011-2012, Intel Corporation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "utils/includes.h"
#include "common.h"
#include "../config.h"
#include "../wpa_supplicant_i.h"
#include "../wps_supplicant.h"
#include "../notify.h"
#include "dbus_new_helpers.h"
#include "dbus_new.h"
#include "dbus_new_handlers.h"
#include "dbus_new_handlers_p2p.h"
#include "dbus_dict_helpers.h"
#include "p2p/p2p.h"
#include "common/ieee802_11_defs.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#include "ap/wps_hostapd.h"
#include "../p2p_supplicant.h"
#include "../wifi_display.h"
static int wpas_dbus_validate_dbus_ipaddr(struct wpa_dbus_dict_entry entry)
{
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE ||
entry.array_len != 4)
return 0;
return 1;
}
/**
* Parses out the mac address from the peer object path.
* @peer_path - object path of the form
* /fi/w1/wpa_supplicant1/Interfaces/n/Peers/00112233445566 (no colons)
* @addr - out param must be of ETH_ALEN size
* Returns 0 if valid (including MAC), -1 otherwise
*/
static int parse_peer_object_path(const char *peer_path, u8 addr[ETH_ALEN])
{
const char *p;
if (!peer_path)
return -1;
p = os_strrchr(peer_path, '/');
if (!p)
return -1;
p++;
return hwaddr_compact_aton(p, addr);
}
/**
* wpas_dbus_error_persistent_group_unknown - Return a new PersistentGroupUnknown
* error message
* @message: Pointer to incoming dbus message this error refers to
* Returns: a dbus error message
*
* Convenience function to create and return an invalid persistent group error.
*/
static DBusMessage *
wpas_dbus_error_persistent_group_unknown(DBusMessage *message)
{
return dbus_message_new_error(
message, WPAS_DBUS_ERROR_NETWORK_UNKNOWN,
"There is no such persistent group in this P2P device.");
}
DBusMessage * wpas_dbus_handler_p2p_find(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
struct wpa_dbus_dict_entry entry;
DBusMessage *reply = NULL;
DBusMessageIter iter;
DBusMessageIter iter_dict;
unsigned int timeout = 0;
enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
int num_req_dev_types = 0;
unsigned int i;
u8 *req_dev_types = NULL;
unsigned int freq = 0;
dbus_message_iter_init(message, &iter);
entry.key = NULL;
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "Timeout") == 0 &&
entry.type == DBUS_TYPE_INT32) {
timeout = entry.uint32_value;
} else if (os_strcmp(entry.key, "RequestedDeviceTypes") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != WPAS_DBUS_TYPE_BINARRAY)
goto error_clear;
os_free(req_dev_types);
req_dev_types =
os_malloc(WPS_DEV_TYPE_LEN * entry.array_len);
if (!req_dev_types)
goto error_clear;
for (i = 0; i < entry.array_len; i++) {
if (wpabuf_len(entry.binarray_value[i]) !=
WPS_DEV_TYPE_LEN)
goto error_clear;
os_memcpy(req_dev_types + i * WPS_DEV_TYPE_LEN,
wpabuf_head(entry.binarray_value[i]),
WPS_DEV_TYPE_LEN);
}
num_req_dev_types = entry.array_len;
} else if (os_strcmp(entry.key, "DiscoveryType") == 0 &&
entry.type == DBUS_TYPE_STRING) {
if (os_strcmp(entry.str_value, "start_with_full") == 0)
type = P2P_FIND_START_WITH_FULL;
else if (os_strcmp(entry.str_value, "social") == 0)
type = P2P_FIND_ONLY_SOCIAL;
else if (os_strcmp(entry.str_value, "progressive") == 0)
type = P2P_FIND_PROGRESSIVE;
else
goto error_clear;
} else if (os_strcmp(entry.key, "freq") == 0 &&
(entry.type == DBUS_TYPE_INT32 ||
entry.type == DBUS_TYPE_UINT32)) {
freq = entry.uint32_value;
} else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
wpa_s = wpa_s->global->p2p_init_wpa_s;
wpas_p2p_find(wpa_s, timeout, type, num_req_dev_types, req_dev_types,
NULL, 0, 0, NULL, freq);
os_free(req_dev_types);
return reply;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
os_free(req_dev_types);
reply = wpas_dbus_error_invalid_args(message, entry.key);
return reply;
}
DBusMessage * wpas_dbus_handler_p2p_stop_find(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
wpas_p2p_stop_find(wpa_s->global->p2p_init_wpa_s);
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_rejectpeer(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter;
char *peer_object_path = NULL;
u8 peer_addr[ETH_ALEN];
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &peer_object_path);
if (parse_peer_object_path(peer_object_path, peer_addr) < 0)
return wpas_dbus_error_invalid_args(message, NULL);
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (wpas_p2p_reject(wpa_s, peer_addr) < 0)
return wpas_dbus_error_unknown_error(message,
"Failed to call wpas_p2p_reject method.");
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_listen(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
dbus_int32_t timeout = 0;
if (!dbus_message_get_args(message, NULL, DBUS_TYPE_INT32, &timeout,
DBUS_TYPE_INVALID))
return wpas_dbus_error_no_memory(message);
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (wpas_p2p_listen(wpa_s, (unsigned int) timeout)) {
return dbus_message_new_error(message,
WPAS_DBUS_ERROR_UNKNOWN_ERROR,
"Could not start P2P listen");
}
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_extendedlisten(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
unsigned int period = 0, interval = 0;
struct wpa_dbus_dict_entry entry;
DBusMessageIter iter;
DBusMessageIter iter_dict;
dbus_message_iter_init(message, &iter);
entry.key = NULL;
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "period") == 0 &&
entry.type == DBUS_TYPE_INT32)
period = entry.uint32_value;
else if (os_strcmp(entry.key, "interval") == 0 &&
entry.type == DBUS_TYPE_INT32)
interval = entry.uint32_value;
else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (wpas_p2p_ext_listen(wpa_s, period, interval))
return wpas_dbus_error_unknown_error(
message, "failed to initiate a p2p_ext_listen.");
return NULL;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
return wpas_dbus_error_invalid_args(message, entry.key);
}
DBusMessage * wpas_dbus_handler_p2p_presence_request(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
struct wpa_dbus_dict_entry entry;
DBusMessageIter iter;
DBusMessageIter iter_dict;
dbus_message_iter_init(message, &iter);
entry.key = NULL;
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "duration1") == 0 &&
entry.type == DBUS_TYPE_INT32)
dur1 = entry.uint32_value;
else if (os_strcmp(entry.key, "interval1") == 0 &&
entry.type == DBUS_TYPE_INT32)
int1 = entry.uint32_value;
else if (os_strcmp(entry.key, "duration2") == 0 &&
entry.type == DBUS_TYPE_INT32)
dur2 = entry.uint32_value;
else if (os_strcmp(entry.key, "interval2") == 0 &&
entry.type == DBUS_TYPE_INT32)
int2 = entry.uint32_value;
else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
if (wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2) < 0)
return wpas_dbus_error_unknown_error(message,
"Failed to invoke presence request.");
return NULL;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
return wpas_dbus_error_invalid_args(message, entry.key);
}
DBusMessage * wpas_dbus_handler_p2p_group_add(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
char *pg_object_path = NULL;
int persistent_group = 0;
int freq = 0;
char *iface = NULL;
unsigned int group_id = 0;
struct wpa_ssid *ssid;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto inv_args;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto inv_args;
if (os_strcmp(entry.key, "persistent") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN) {
persistent_group = entry.bool_value;
} else if (os_strcmp(entry.key, "frequency") == 0 &&
entry.type == DBUS_TYPE_INT32) {
freq = entry.int32_value;
if (freq <= 0)
goto inv_args_clear;
} else if (os_strcmp(entry.key, "persistent_group_object") ==
0 &&
entry.type == DBUS_TYPE_OBJECT_PATH)
pg_object_path = os_strdup(entry.str_value);
else
goto inv_args_clear;
wpa_dbus_dict_entry_clear(&entry);
}
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (pg_object_path != NULL) {
char *net_id_str;
/*
* A persistent group Object Path is defined meaning we want
* to re-invoke a persistent group.
*/
iface = wpas_dbus_new_decompose_object_path(
pg_object_path, WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART,
&net_id_str);
if (iface == NULL || net_id_str == NULL ||
!wpa_s->parent->dbus_new_path ||
os_strcmp(iface, wpa_s->parent->dbus_new_path) != 0) {
reply =
wpas_dbus_error_invalid_args(message,
pg_object_path);
goto out;
}
group_id = strtoul(net_id_str, NULL, 10);
if (errno == EINVAL) {
reply = wpas_dbus_error_invalid_args(
message, pg_object_path);
goto out;
}
/* Get the SSID structure from the persistent group id */
ssid = wpa_config_get_network(wpa_s->conf, group_id);
if (ssid == NULL || ssid->disabled != 2)
goto inv_args;
if (wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, 0, 0, 0,
0, 0, NULL, 0, 0)) {
reply = wpas_dbus_error_unknown_error(
message,
"Failed to reinvoke a persistent group");
goto out;
}
} else if (wpas_p2p_group_add(wpa_s, persistent_group, freq, 0, 0, 0,
0))
goto inv_args;
out:
os_free(pg_object_path);
os_free(iface);
return reply;
inv_args_clear:
wpa_dbus_dict_entry_clear(&entry);
inv_args:
reply = wpas_dbus_error_invalid_args(message, NULL);
goto out;
}
DBusMessage * wpas_dbus_handler_p2p_disconnect(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
if (wpas_p2p_disconnect(wpa_s))
return wpas_dbus_error_unknown_error(message,
"failed to disconnect");
return NULL;
}
static dbus_bool_t wpa_dbus_p2p_check_enabled(struct wpa_supplicant *wpa_s,
DBusMessage *message,
DBusMessage **out_reply,
DBusError *error)
{
/* Return an error message or an error if P2P isn't available */
if (wpa_s->global->p2p_disabled || wpa_s->global->p2p == NULL) {
if (out_reply) {
*out_reply = dbus_message_new_error(
message, DBUS_ERROR_FAILED,
"P2P is not available for this interface");
}
dbus_set_error_const(error, DBUS_ERROR_FAILED,
"P2P is not available for this interface");
return FALSE;
}
return TRUE;
}
DBusMessage * wpas_dbus_handler_p2p_remove_client(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
char *peer_object_path = NULL;
char *interface_addr = NULL;
u8 peer_addr[ETH_ALEN];
if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
return reply;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto err;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto err;
if (os_strcmp(entry.key, "peer") == 0 &&
entry.type == DBUS_TYPE_OBJECT_PATH) {
os_free(peer_object_path);
peer_object_path = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
} else if (os_strcmp(entry.key, "iface") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(interface_addr);
interface_addr = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
} else {
wpa_dbus_dict_entry_clear(&entry);
goto err;
}
}
if ((!peer_object_path && !interface_addr) ||
(peer_object_path &&
(parse_peer_object_path(peer_object_path, peer_addr) < 0 ||
!p2p_peer_known(wpa_s->global->p2p, peer_addr))) ||
(interface_addr && hwaddr_aton(interface_addr, peer_addr) < 0))
goto err;
wpas_p2p_remove_client(wpa_s, peer_addr, interface_addr != NULL);
reply = NULL;
out:
os_free(peer_object_path);
os_free(interface_addr);
return reply;
err:
reply = wpas_dbus_error_invalid_args(message, "Invalid address format");
goto out;
}
DBusMessage * wpas_dbus_handler_p2p_flush(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
return reply;
wpa_s = wpa_s->global->p2p_init_wpa_s;
os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
wpa_s->force_long_sd = 0;
p2p_flush(wpa_s->global->p2p);
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_connect(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
char *peer_object_path = NULL;
int persistent_group = 0;
int join = 0;
int authorize_only = 0;
int go_intent = -1;
int freq = 0;
u8 addr[ETH_ALEN];
char *pin = NULL;
enum p2p_wps_method wps_method = WPS_NOT_READY;
int new_pin;
char *err_msg = NULL;
char *iface = NULL;
if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
return reply;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto inv_args;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto inv_args;
if (os_strcmp(entry.key, "peer") == 0 &&
entry.type == DBUS_TYPE_OBJECT_PATH) {
peer_object_path = os_strdup(entry.str_value);
} else if (os_strcmp(entry.key, "persistent") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN) {
persistent_group = entry.bool_value;
} else if (os_strcmp(entry.key, "join") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN) {
join = entry.bool_value;
} else if (os_strcmp(entry.key, "authorize_only") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN) {
authorize_only = entry.bool_value;
} else if (os_strcmp(entry.key, "frequency") == 0 &&
entry.type == DBUS_TYPE_INT32) {
freq = entry.int32_value;
if (freq <= 0)
goto inv_args_clear;
} else if (os_strcmp(entry.key, "go_intent") == 0 &&
entry.type == DBUS_TYPE_INT32) {
go_intent = entry.int32_value;
if ((go_intent < 0) || (go_intent > 15))
goto inv_args_clear;
} else if (os_strcmp(entry.key, "wps_method") == 0 &&
entry.type == DBUS_TYPE_STRING) {
if (os_strcmp(entry.str_value, "pbc") == 0)
wps_method = WPS_PBC;
else if (os_strcmp(entry.str_value, "pin") == 0)
wps_method = WPS_PIN_DISPLAY;
else if (os_strcmp(entry.str_value, "display") == 0)
wps_method = WPS_PIN_DISPLAY;
else if (os_strcmp(entry.str_value, "keypad") == 0)
wps_method = WPS_PIN_KEYPAD;
else
goto inv_args_clear;
} else if (os_strcmp(entry.key, "pin") == 0 &&
entry.type == DBUS_TYPE_STRING) {
pin = os_strdup(entry.str_value);
} else
goto inv_args_clear;
wpa_dbus_dict_entry_clear(&entry);
}
if (wps_method == WPS_NOT_READY ||
parse_peer_object_path(peer_object_path, addr) < 0 ||
!p2p_peer_known(wpa_s->global->p2p, addr))
goto inv_args;
/*
* Validate the wps_method specified and the pin value.
*/
if ((!pin || !pin[0]) && wps_method == WPS_PIN_KEYPAD)
goto inv_args;
wpa_s = wpa_s->global->p2p_init_wpa_s;
new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
persistent_group, 0, join, authorize_only,
go_intent, freq, 0, -1, 0, 0, 0, 0, NULL, 0);
if (new_pin >= 0) {
char npin[9];
char *generated_pin;
os_snprintf(npin, sizeof(npin), "%08d", new_pin);
generated_pin = npin;
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_STRING,
&generated_pin, DBUS_TYPE_INVALID);
} else {
switch (new_pin) {
case -2:
err_msg =
"connect failed due to channel unavailability.";
iface = WPAS_DBUS_ERROR_CONNECT_CHANNEL_UNAVAILABLE;
break;
case -3:
err_msg = "connect failed due to unsupported channel.";
iface = WPAS_DBUS_ERROR_CONNECT_CHANNEL_UNSUPPORTED;
break;
default:
err_msg = "connect failed due to unspecified error.";
iface = WPAS_DBUS_ERROR_CONNECT_UNSPECIFIED_ERROR;
break;
}
/*
* TODO:
* Do we need specialized errors corresponding to above
* error conditions as against just returning a different
* error message?
*/
reply = dbus_message_new_error(message, iface, err_msg);
}
out:
os_free(peer_object_path);
os_free(pin);
return reply;
inv_args_clear:
wpa_dbus_dict_entry_clear(&entry);
inv_args:
reply = wpas_dbus_error_invalid_args(message, NULL);
goto out;
}
/**
* wpas_dbus_handler_p2p_cancel - Cancel P2P group formation
* @message: Pointer to incoming dbus message
* @wpa_s: %wpa_supplicant data structure
* Returns: NULL on success or DBus error on failure
*
* Handler for "Cancel" method call. Returns NULL if P2P cancel succeeds or DBus
* error on P2P cancel failure
*/
DBusMessage * wpas_dbus_handler_p2p_cancel(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
if (wpas_p2p_cancel(wpa_s))
return wpas_dbus_error_unknown_error(message,
"P2P cancel failed");
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_invite(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
char *peer_object_path = NULL;
char *pg_object_path = NULL;
char *iface = NULL;
u8 peer_addr[ETH_ALEN];
unsigned int group_id = 0;
int persistent = 0;
struct wpa_ssid *ssid;
if (!wpa_dbus_p2p_check_enabled(wpa_s, message, &reply, NULL))
return reply;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto err;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto err;
if (os_strcmp(entry.key, "peer") == 0 &&
entry.type == DBUS_TYPE_OBJECT_PATH) {
peer_object_path = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
} else if (os_strcmp(entry.key, "persistent_group_object") ==
0 &&
entry.type == DBUS_TYPE_OBJECT_PATH) {
pg_object_path = os_strdup(entry.str_value);
persistent = 1;
wpa_dbus_dict_entry_clear(&entry);
} else {
wpa_dbus_dict_entry_clear(&entry);
goto err;
}
}
if (parse_peer_object_path(peer_object_path, peer_addr) < 0 ||
!p2p_peer_known(wpa_s->global->p2p, peer_addr))
goto err;
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (persistent) {
char *net_id_str;
/*
* A group ID is defined meaning we want to re-invoke a
* persistent group
*/
iface = wpas_dbus_new_decompose_object_path(
pg_object_path,
WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART,
&net_id_str);
if (iface == NULL || net_id_str == NULL ||
!wpa_s->parent->dbus_new_path ||
os_strcmp(iface, wpa_s->parent->dbus_new_path) != 0) {
reply = wpas_dbus_error_invalid_args(message,
pg_object_path);
goto out;
}
group_id = strtoul(net_id_str, NULL, 10);
if (errno == EINVAL) {
reply = wpas_dbus_error_invalid_args(
message, pg_object_path);
goto out;
}
/* Get the SSID structure from the persistent group id */
ssid = wpa_config_get_network(wpa_s->conf, group_id);
if (ssid == NULL || ssid->disabled != 2)
goto err;
if (wpas_p2p_invite(wpa_s, peer_addr, ssid, NULL, 0, 0, 0, 0, 0,
0) < 0) {
reply = wpas_dbus_error_unknown_error(
message,
"Failed to reinvoke a persistent group");
goto out;
}
} else {
/*
* No group ID means propose to a peer to join my active group
*/
if (wpas_p2p_invite_group(wpa_s, wpa_s->ifname,
peer_addr, NULL)) {
reply = wpas_dbus_error_unknown_error(
message, "Failed to join to an active group");
goto out;
}
}
out:
os_free(iface);
os_free(pg_object_path);
os_free(peer_object_path);
return reply;
err:
reply = wpas_dbus_error_invalid_args(message, NULL);
goto out;
}
DBusMessage * wpas_dbus_handler_p2p_prov_disc_req(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter;
char *peer_object_path = NULL;
char *config_method = NULL;
u8 peer_addr[ETH_ALEN];
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &peer_object_path);
if (parse_peer_object_path(peer_object_path, peer_addr) < 0)
return wpas_dbus_error_invalid_args(message, NULL);
dbus_message_iter_next(&iter);
dbus_message_iter_get_basic(&iter, &config_method);
/*
* Validation checks on config_method are being duplicated here
* to be able to return invalid args reply since the error code
* from p2p module are not granular enough (yet).
*/
if (os_strcmp(config_method, "display") &&
os_strcmp(config_method, "keypad") &&
os_strcmp(config_method, "pbc") &&
os_strcmp(config_method, "pushbutton"))
return wpas_dbus_error_invalid_args(message, NULL);
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (wpas_p2p_prov_disc(wpa_s, peer_addr, config_method,
WPAS_P2P_PD_FOR_GO_NEG, NULL) < 0)
return wpas_dbus_error_unknown_error(message,
"Failed to send provision discovery request");
return NULL;
}
/*
* P2P Device property accessor methods.
*/
dbus_bool_t wpas_dbus_getter_p2p_device_config(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
DBusMessageIter variant_iter, dict_iter;
DBusMessageIter iter_secdev_dict_entry, iter_secdev_dict_val,
iter_secdev_dict_array;
const char *dev_name;
int num_vendor_extensions = 0;
int i;
const struct wpabuf *vendor_ext[P2P_MAX_WPS_VENDOR_EXT];
if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
return FALSE;
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
"a{sv}", &variant_iter) ||
!wpa_dbus_dict_open_write(&variant_iter, &dict_iter))
goto err_no_mem;
/* DeviceName */
dev_name = wpa_s->conf->device_name;
if (dev_name &&
!wpa_dbus_dict_append_string(&dict_iter, "DeviceName", dev_name))
goto err_no_mem;
/* Primary device type */
if (!wpa_dbus_dict_append_byte_array(&dict_iter, "PrimaryDeviceType",
(char *) wpa_s->conf->device_type,
WPS_DEV_TYPE_LEN))
goto err_no_mem;
/* Secondary device types */
if (wpa_s->conf->num_sec_device_types) {
if (!wpa_dbus_dict_begin_array(&dict_iter,
"SecondaryDeviceTypes",
DBUS_TYPE_ARRAY_AS_STRING
DBUS_TYPE_BYTE_AS_STRING,
&iter_secdev_dict_entry,
&iter_secdev_dict_val,
&iter_secdev_dict_array))
goto err_no_mem;
for (i = 0; i < wpa_s->conf->num_sec_device_types; i++)
wpa_dbus_dict_bin_array_add_element(
&iter_secdev_dict_array,
wpa_s->conf->sec_device_type[i],
WPS_DEV_TYPE_LEN);
if (!wpa_dbus_dict_end_array(&dict_iter,
&iter_secdev_dict_entry,
&iter_secdev_dict_val,
&iter_secdev_dict_array))
goto err_no_mem;
}
/* GO IP address */
if (WPA_GET_BE32(wpa_s->conf->ip_addr_go) &&
!wpa_dbus_dict_append_byte_array(&dict_iter, "IpAddrGo",
(char *) wpa_s->conf->ip_addr_go,
4))
goto err_no_mem;
/* IP address mask */
if (WPA_GET_BE32(wpa_s->conf->ip_addr_mask) &&
!wpa_dbus_dict_append_byte_array(&dict_iter, "IpAddrMask",
(char *) wpa_s->conf->ip_addr_mask,
4))
goto err_no_mem;
/* IP address start */
if (WPA_GET_BE32(wpa_s->conf->ip_addr_start) &&
!wpa_dbus_dict_append_byte_array(&dict_iter, "IpAddrStart",
(char *)
wpa_s->conf->ip_addr_start,
4))
goto err_no_mem;
/* IP address end */
if (WPA_GET_BE32(wpa_s->conf->ip_addr_end) &&
!wpa_dbus_dict_append_byte_array(&dict_iter, "IpAddrEnd",
(char *) wpa_s->conf->ip_addr_end,
4))
goto err_no_mem;
/* Vendor Extensions */
for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
if (wpa_s->conf->wps_vendor_ext[i] == NULL)
continue;
vendor_ext[num_vendor_extensions++] =
wpa_s->conf->wps_vendor_ext[i];
}
if ((num_vendor_extensions &&
!wpa_dbus_dict_append_wpabuf_array(&dict_iter,
"VendorExtension",
vendor_ext,
num_vendor_extensions)) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "GOIntent",
wpa_s->conf->p2p_go_intent) ||
!wpa_dbus_dict_append_bool(&dict_iter, "PersistentReconnect",
wpa_s->conf->persistent_reconnect) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "ListenRegClass",
wpa_s->conf->p2p_listen_reg_class) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "ListenChannel",
wpa_s->conf->p2p_listen_channel) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "OperRegClass",
wpa_s->conf->p2p_oper_reg_class) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "OperChannel",
wpa_s->conf->p2p_oper_channel) ||
(wpa_s->conf->p2p_ssid_postfix &&
!wpa_dbus_dict_append_string(&dict_iter, "SsidPostfix",
wpa_s->conf->p2p_ssid_postfix)) ||
!wpa_dbus_dict_append_bool(&dict_iter, "IntraBss",
wpa_s->conf->p2p_intra_bss) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "GroupIdle",
wpa_s->conf->p2p_group_idle) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "disassoc_low_ack",
wpa_s->conf->disassoc_low_ack) ||
!wpa_dbus_dict_append_bool(&dict_iter, "NoGroupIface",
wpa_s->conf->p2p_no_group_iface) ||
!wpa_dbus_dict_append_uint32(&dict_iter, "p2p_search_delay",
wpa_s->conf->p2p_search_delay) ||
!wpa_dbus_dict_close_write(&variant_iter, &dict_iter) ||
!dbus_message_iter_close_container(iter, &variant_iter))
goto err_no_mem;
return TRUE;
err_no_mem:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
dbus_bool_t wpas_dbus_setter_p2p_device_config(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
DBusMessageIter variant_iter, iter_dict;
struct wpa_dbus_dict_entry entry = {.type = DBUS_TYPE_STRING };
unsigned int i;
if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error))
return FALSE;
wpa_s = wpa_s->global->p2p_init_wpa_s;
dbus_message_iter_recurse(iter, &variant_iter);
if (!wpa_dbus_dict_open_read(&variant_iter, &iter_dict, error))
return FALSE;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
"invalid message format");
return FALSE;
}
if (os_strcmp(entry.key, "DeviceName") == 0) {
char *devname;
if (entry.type != DBUS_TYPE_STRING ||
os_strlen(entry.str_value) > WPS_DEV_NAME_MAX_LEN)
goto error;
devname = os_strdup(entry.str_value);
if (devname == NULL)
goto err_no_mem_clear;
os_free(wpa_s->conf->device_name);
wpa_s->conf->device_name = devname;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_DEVICE_NAME;
} else if (os_strcmp(entry.key, "PrimaryDeviceType") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE ||
entry.array_len != WPS_DEV_TYPE_LEN)
goto error;
os_memcpy(wpa_s->conf->device_type,
entry.bytearray_value,
WPS_DEV_TYPE_LEN);
wpa_s->conf->changed_parameters |=
CFG_CHANGED_DEVICE_TYPE;
} else if (os_strcmp(entry.key, "SecondaryDeviceTypes") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
entry.array_len > MAX_SEC_DEVICE_TYPES)
goto error;
for (i = 0; i < entry.array_len; i++)
if (wpabuf_len(entry.binarray_value[i]) !=
WPS_DEV_TYPE_LEN)
goto err_no_mem_clear;
for (i = 0; i < entry.array_len; i++)
os_memcpy(wpa_s->conf->sec_device_type[i],
wpabuf_head(entry.binarray_value[i]),
WPS_DEV_TYPE_LEN);
wpa_s->conf->num_sec_device_types = entry.array_len;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_SEC_DEVICE_TYPE;
} else if (os_strcmp(entry.key, "VendorExtension") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
(entry.array_len > P2P_MAX_WPS_VENDOR_EXT))
goto error;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_VENDOR_EXTENSION;
for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
wpabuf_free(wpa_s->conf->wps_vendor_ext[i]);
if (i < entry.array_len) {
wpa_s->conf->wps_vendor_ext[i] =
entry.binarray_value[i];
entry.binarray_value[i] = NULL;
} else
wpa_s->conf->wps_vendor_ext[i] = NULL;
}
} else if (os_strcmp(entry.key, "GOIntent") == 0 &&
entry.type == DBUS_TYPE_UINT32 &&
(entry.uint32_value <= 15))
wpa_s->conf->p2p_go_intent = entry.uint32_value;
else if (os_strcmp(entry.key, "PersistentReconnect") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN)
wpa_s->conf->persistent_reconnect = entry.bool_value;
else if (os_strcmp(entry.key, "ListenRegClass") == 0 &&
entry.type == DBUS_TYPE_UINT32) {
wpa_s->conf->p2p_listen_reg_class = entry.uint32_value;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_P2P_LISTEN_CHANNEL;
} else if (os_strcmp(entry.key, "ListenChannel") == 0 &&
entry.type == DBUS_TYPE_UINT32) {
wpa_s->conf->p2p_listen_channel = entry.uint32_value;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_P2P_LISTEN_CHANNEL;
} else if (os_strcmp(entry.key, "OperRegClass") == 0 &&
entry.type == DBUS_TYPE_UINT32) {
wpa_s->conf->p2p_oper_reg_class = entry.uint32_value;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_P2P_OPER_CHANNEL;
} else if (os_strcmp(entry.key, "OperChannel") == 0 &&
entry.type == DBUS_TYPE_UINT32) {
wpa_s->conf->p2p_oper_channel = entry.uint32_value;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_P2P_OPER_CHANNEL;
} else if (os_strcmp(entry.key, "SsidPostfix") == 0) {
char *postfix;
if (entry.type != DBUS_TYPE_STRING)
goto error;
postfix = os_strdup(entry.str_value);
if (!postfix)
goto err_no_mem_clear;
os_free(wpa_s->conf->p2p_ssid_postfix);
wpa_s->conf->p2p_ssid_postfix = postfix;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_P2P_SSID_POSTFIX;
} else if (os_strcmp(entry.key, "IntraBss") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN) {
wpa_s->conf->p2p_intra_bss = entry.bool_value;
wpa_s->conf->changed_parameters |=
CFG_CHANGED_P2P_INTRA_BSS;
} else if (os_strcmp(entry.key, "IpAddrGo") == 0) {
if (!wpas_dbus_validate_dbus_ipaddr(entry))
goto error;
os_memcpy(wpa_s->conf->ip_addr_go,
entry.bytearray_value, 4);
} else if (os_strcmp(entry.key, "IpAddrMask") == 0) {
if (!wpas_dbus_validate_dbus_ipaddr(entry))
goto error;
os_memcpy(wpa_s->conf->ip_addr_mask,
entry.bytearray_value, 4);
} else if (os_strcmp(entry.key, "IpAddrStart") == 0) {
if (!wpas_dbus_validate_dbus_ipaddr(entry))
goto error;
os_memcpy(wpa_s->conf->ip_addr_start,
entry.bytearray_value, 4);
} else if (os_strcmp(entry.key, "IpAddrEnd") == 0) {
if (!wpas_dbus_validate_dbus_ipaddr(entry))
goto error;
os_memcpy(wpa_s->conf->ip_addr_end,
entry.bytearray_value, 4);
} else if (os_strcmp(entry.key, "GroupIdle") == 0 &&
entry.type == DBUS_TYPE_UINT32)
wpa_s->conf->p2p_group_idle = entry.uint32_value;
else if (os_strcmp(entry.key, "disassoc_low_ack") == 0 &&
entry.type == DBUS_TYPE_UINT32)
wpa_s->conf->disassoc_low_ack = entry.uint32_value;
else if (os_strcmp(entry.key, "NoGroupIface") == 0 &&
entry.type == DBUS_TYPE_BOOLEAN)
wpa_s->conf->p2p_no_group_iface = entry.bool_value;
else if (os_strcmp(entry.key, "p2p_search_delay") == 0 &&
entry.type == DBUS_TYPE_UINT32)
wpa_s->conf->p2p_search_delay = entry.uint32_value;
else
goto error;
wpa_dbus_dict_entry_clear(&entry);
}
if (wpa_s->conf->changed_parameters) {
/* Some changed parameters requires to update config*/
wpa_supplicant_update_config(wpa_s);
}
return TRUE;
error:
dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
"invalid message format");
wpa_dbus_dict_entry_clear(&entry);
return FALSE;
err_no_mem_clear:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
wpa_dbus_dict_entry_clear(&entry);
return FALSE;
}
dbus_bool_t wpas_dbus_getter_p2p_peers(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct p2p_data *p2p = wpa_s->global->p2p;
int next = 0, i = 0;
int num = 0, out_of_mem = 0;
const u8 *addr;
const struct p2p_peer_info *peer_info = NULL;
dbus_bool_t success = FALSE;
struct dl_list peer_objpath_list;
struct peer_objpath_node {
struct dl_list list;
char path[WPAS_DBUS_OBJECT_PATH_MAX];
} *node, *tmp;
char **peer_obj_paths = NULL;
if (!wpa_dbus_p2p_check_enabled(wpa_s, NULL, NULL, error) ||
!wpa_s->parent->parent->dbus_new_path)
return FALSE;
dl_list_init(&peer_objpath_list);
/* Get the first peer info */
peer_info = p2p_get_peer_found(p2p, NULL, next);
/* Get next and accumulate them */
next = 1;
while (peer_info != NULL) {
node = os_zalloc(sizeof(struct peer_objpath_node));
if (!node) {
out_of_mem = 1;
goto error;
}
addr = peer_info->p2p_device_addr;
os_snprintf(node->path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_P2P_PEERS_PART
"/" COMPACT_MACSTR,
wpa_s->parent->parent->dbus_new_path,
MAC2STR(addr));
dl_list_add_tail(&peer_objpath_list, &node->list);
num++;
peer_info = p2p_get_peer_found(p2p, addr, next);
}
/*
* Now construct the peer object paths in a form suitable for
* array_property_getter helper below.
*/
peer_obj_paths = os_calloc(num, sizeof(char *));
if (!peer_obj_paths) {
out_of_mem = 1;
goto error;
}
dl_list_for_each_safe(node, tmp, &peer_objpath_list,
struct peer_objpath_node, list)
peer_obj_paths[i++] = node->path;
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
peer_obj_paths, num,
error);
error:
if (peer_obj_paths)
os_free(peer_obj_paths);
dl_list_for_each_safe(node, tmp, &peer_objpath_list,
struct peer_objpath_node, list) {
dl_list_del(&node->list);
os_free(node);
}
if (out_of_mem)
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return success;
}
enum wpas_p2p_role {
WPAS_P2P_ROLE_DEVICE,
WPAS_P2P_ROLE_GO,
WPAS_P2P_ROLE_CLIENT,
};
static enum wpas_p2p_role wpas_get_p2p_role(struct wpa_supplicant *wpa_s)
{
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (!ssid)
return WPAS_P2P_ROLE_DEVICE;
if (wpa_s->wpa_state != WPA_COMPLETED)
return WPAS_P2P_ROLE_DEVICE;
switch (ssid->mode) {
case WPAS_MODE_P2P_GO:
case WPAS_MODE_P2P_GROUP_FORMATION:
return WPAS_P2P_ROLE_GO;
case WPAS_MODE_INFRA:
if (ssid->p2p_group)
return WPAS_P2P_ROLE_CLIENT;
return WPAS_P2P_ROLE_DEVICE;
default:
return WPAS_P2P_ROLE_DEVICE;
}
}
dbus_bool_t wpas_dbus_getter_p2p_role(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
char *str;
switch (wpas_get_p2p_role(wpa_s)) {
case WPAS_P2P_ROLE_GO:
str = "GO";
break;
case WPAS_P2P_ROLE_CLIENT:
str = "client";
break;
default:
str = "device";
break;
}
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &str,
error);
}
dbus_bool_t wpas_dbus_getter_p2p_group(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
char path_buf[WPAS_DBUS_OBJECT_PATH_MAX];
char *dbus_groupobj_path = path_buf;
if (wpa_s->dbus_groupobj_path == NULL)
os_snprintf(dbus_groupobj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"/");
else
os_snprintf(dbus_groupobj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s", wpa_s->dbus_groupobj_path);
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
&dbus_groupobj_path, error);
}
dbus_bool_t wpas_dbus_getter_p2p_peergo(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
char go_peer_obj_path[WPAS_DBUS_OBJECT_PATH_MAX], *path;
if (!wpa_s->parent->parent->dbus_new_path)
return FALSE;
if (wpas_get_p2p_role(wpa_s) != WPAS_P2P_ROLE_CLIENT)
os_snprintf(go_peer_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
else
os_snprintf(go_peer_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_P2P_PEERS_PART "/"
COMPACT_MACSTR,
wpa_s->parent->parent->dbus_new_path,
MAC2STR(wpa_s->go_dev_addr));
path = go_peer_obj_path;
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_OBJECT_PATH,
&path, error);
}
/*
* Peer object properties accessor methods
*/
dbus_bool_t wpas_dbus_getter_p2p_peer_device_name(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
char *tmp;
if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
return FALSE;
/* get the peer info */
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
tmp = os_strdup(info->device_name);
if (!tmp) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
os_free(tmp);
return FALSE;
}
os_free(tmp);
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_manufacturer(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
char *tmp;
if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
return FALSE;
/* get the peer info */
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
return FALSE;
}
tmp = os_strdup(info->manufacturer);
if (!tmp) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
os_free(tmp);
return FALSE;
}
os_free(tmp);
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_modelname(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
char *tmp;
if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
return FALSE;
/* get the peer info */
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
return FALSE;
}
tmp = os_strdup(info->model_name);
if (!tmp) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
os_free(tmp);
return FALSE;
}
os_free(tmp);
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_modelnumber(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
char *tmp;
if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
return FALSE;
/* get the peer info */
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
return FALSE;
}
tmp = os_strdup(info->model_number);
if (!tmp) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
os_free(tmp);
return FALSE;
}
os_free(tmp);
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_serialnumber(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
char *tmp;
if (!wpa_dbus_p2p_check_enabled(peer_args->wpa_s, NULL, NULL, error))
return FALSE;
/* get the peer info */
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
return FALSE;
}
tmp = os_strdup(info->serial_number);
if (!tmp) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING, &tmp,
error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
os_free(tmp);
return FALSE;
}
os_free(tmp);
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_primary_device_type(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
if (!wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
(char *)
info->pri_dev_type,
WPS_DEV_TYPE_LEN, error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_config_method(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
&info->config_methods, error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_level(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_INT32,
&info->level, error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_device_capability(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BYTE,
&info->dev_capab, error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_group_capability(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
if (!wpas_dbus_simple_property_getter(iter, DBUS_TYPE_BYTE,
&info->group_capab, error)) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_secondary_device_types(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
DBusMessageIter variant_iter, array_iter;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED, "failed to find peer");
return FALSE;
}
if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
DBUS_TYPE_ARRAY_AS_STRING
DBUS_TYPE_ARRAY_AS_STRING
DBUS_TYPE_BYTE_AS_STRING,
&variant_iter) ||
!dbus_message_iter_open_container(&variant_iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_ARRAY_AS_STRING
DBUS_TYPE_BYTE_AS_STRING,
&array_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message 1", __func__);
return FALSE;
}
if (info->wps_sec_dev_type_list_len) {
const u8 *sec_dev_type_list = info->wps_sec_dev_type_list;
int num_sec_device_types =
info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN;
int i;
DBusMessageIter inner_array_iter;
for (i = 0; i < num_sec_device_types; i++) {
if (!dbus_message_iter_open_container(
&array_iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_BYTE_AS_STRING,
&inner_array_iter) ||
!dbus_message_iter_append_fixed_array(
&inner_array_iter, DBUS_TYPE_BYTE,
&sec_dev_type_list, WPS_DEV_TYPE_LEN) ||
!dbus_message_iter_close_container(
&array_iter, &inner_array_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message 2 (%d)",
__func__, i);
return FALSE;
}
sec_dev_type_list += WPS_DEV_TYPE_LEN;
}
}
if (!dbus_message_iter_close_container(&variant_iter, &array_iter) ||
!dbus_message_iter_close_container(iter, &variant_iter)) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"%s: failed to construct message 3", __func__);
return FALSE;
}
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_vendor_extension(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpabuf *vendor_extension[P2P_MAX_WPS_VENDOR_EXT];
unsigned int i, num = 0;
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
/* Add WPS vendor extensions attribute */
os_memset(vendor_extension, 0, sizeof(vendor_extension));
for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
if (info->wps_vendor_ext[i] == NULL)
continue;
vendor_extension[num] = info->wps_vendor_ext[i];
num++;
}
if (!wpas_dbus_simple_array_array_property_getter(iter, DBUS_TYPE_BYTE,
vendor_extension,
num, error))
return FALSE;
return TRUE;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_ies(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
if (info->wfd_subelems == NULL)
return wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_BYTE,
NULL, 0, error);
return wpas_dbus_simple_array_property_getter(
iter, DBUS_TYPE_BYTE, (char *) info->wfd_subelems->buf,
info->wfd_subelems->used, error);
}
dbus_bool_t wpas_dbus_getter_p2p_peer_device_address(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
return wpas_dbus_simple_array_property_getter(
iter, DBUS_TYPE_BYTE, (char *) info->p2p_device_addr,
ETH_ALEN, error);
}
struct peer_group_data {
struct wpa_supplicant *wpa_s;
const struct p2p_peer_info *info;
char **paths;
unsigned int nb_paths;
int error;
};
static int match_group_where_peer_is_client(struct p2p_group *group,
void *user_data)
{
struct peer_group_data *data = user_data;
const struct p2p_group_config *cfg;
struct wpa_supplicant *wpa_s_go;
char **paths;
if (!p2p_group_is_client_connected(group, data->info->p2p_device_addr))
return 1;
cfg = p2p_group_get_config(group);
wpa_s_go = wpas_get_p2p_go_iface(data->wpa_s, cfg->ssid,
cfg->ssid_len);
if (wpa_s_go == NULL)
return 1;
paths = os_realloc_array(data->paths, data->nb_paths + 1,
sizeof(char *));
if (paths == NULL)
goto out_of_memory;
data->paths = paths;
data->paths[data->nb_paths] = wpa_s_go->dbus_groupobj_path;
data->nb_paths++;
return 1;
out_of_memory:
data->error = ENOMEM;
return 0;
}
dbus_bool_t wpas_dbus_getter_p2p_peer_groups(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct peer_handler_args *peer_args = user_data;
const struct p2p_peer_info *info;
struct peer_group_data data;
struct wpa_supplicant *wpa_s, *wpa_s_go;
dbus_bool_t success = FALSE;
info = p2p_get_peer_found(peer_args->wpa_s->global->p2p,
peer_args->p2p_device_addr, 0);
if (info == NULL) {
dbus_set_error(error, DBUS_ERROR_FAILED,
"failed to find peer");
return FALSE;
}
os_memset(&data, 0, sizeof(data));
wpa_s = peer_args->wpa_s;
wpa_s = wpa_s->global->p2p_init_wpa_s;
wpa_s_go = wpas_get_p2p_client_iface(wpa_s, info->p2p_device_addr);
if (wpa_s_go) {
data.paths = os_calloc(1, sizeof(char *));
if (data.paths == NULL)
goto out_of_memory;
data.paths[0] = wpa_s_go->dbus_groupobj_path;
data.nb_paths = 1;
}
data.wpa_s = peer_args->wpa_s;
data.info = info;
p2p_loop_on_all_groups(peer_args->wpa_s->global->p2p,
match_group_where_peer_is_client, &data);
if (data.error)
goto out_of_memory;
if (data.paths == NULL) {
return wpas_dbus_simple_array_property_getter(
iter, DBUS_TYPE_OBJECT_PATH, NULL, 0, error);
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
data.paths,
data.nb_paths, error);
goto out;
out_of_memory:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
out:
os_free(data.paths);
return success;
}
/**
* wpas_dbus_getter_persistent_groups - Get array of persistent group objects
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "PersistentGroups" property.
*/
dbus_bool_t wpas_dbus_getter_persistent_groups(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct wpa_ssid *ssid;
char **paths;
unsigned int i = 0, num = 0;
dbus_bool_t success = FALSE;
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (!wpa_s->parent->dbus_new_path)
return FALSE;
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next)
if (network_is_persistent_group(ssid))
num++;
paths = os_calloc(num, sizeof(char *));
if (!paths) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
return FALSE;
}
/* Loop through configured networks and append object path of each */
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
if (!network_is_persistent_group(ssid))
continue;
paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (paths[i] == NULL) {
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
"no memory");
goto out;
}
/* Construct the object path for this network. */
os_snprintf(paths[i++], WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART "/%d",
wpa_s->parent->dbus_new_path, ssid->id);
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
paths, num, error);
out:
while (i)
os_free(paths[--i]);
os_free(paths);
return success;
}
/**
* wpas_dbus_getter_persistent_group_properties - Get options for a persistent
* group
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Getter for "Properties" property of a persistent group.
*/
dbus_bool_t wpas_dbus_getter_persistent_group_properties(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct network_handler_args *net = user_data;
/* Leveraging the fact that persistent group object is still
* represented in same manner as network within.
*/
return wpas_dbus_getter_network_properties(property_desc, iter, error, net);
}
/**
* wpas_dbus_setter_persistent_group_properties - Set options for a persistent
* group
* @iter: Pointer to incoming dbus message iter
* @error: Location to store error on failure
* @user_data: Function specific data
* Returns: TRUE on success, FALSE on failure
*
* Setter for "Properties" property of a persistent group.
*/
dbus_bool_t wpas_dbus_setter_persistent_group_properties(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct network_handler_args *net = user_data;
struct wpa_ssid *ssid = net->ssid;
DBusMessageIter variant_iter;
/*
* Leveraging the fact that persistent group object is still
* represented in same manner as network within.
*/
dbus_message_iter_recurse(iter, &variant_iter);
return set_network_properties(net->wpa_s, ssid, &variant_iter, error);
}
/**
* wpas_dbus_new_iface_add_persistent_group - Add a new configured
* persistent_group
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: A dbus message containing the object path of the new
* persistent group
*
* Handler function for "AddPersistentGroup" method call of a P2P Device
* interface.
*/
DBusMessage * wpas_dbus_handler_add_persistent_group(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_ssid *ssid = NULL;
char path_buf[WPAS_DBUS_OBJECT_PATH_MAX], *path = path_buf;
DBusError error;
dbus_message_iter_init(message, &iter);
wpa_s = wpa_s->global->p2p_init_wpa_s;
if (wpa_s->parent->dbus_new_path)
ssid = wpa_config_add_network(wpa_s->conf);
if (ssid == NULL) {
wpa_printf(MSG_ERROR,
"dbus: %s: Cannot add new persistent group",
__func__);
reply = wpas_dbus_error_unknown_error(
message,
"wpa_supplicant could not add a persistent group on this interface.");
goto err;
}
/* Mark the ssid as being a persistent group before the notification */
ssid->disabled = 2;
ssid->p2p_persistent_group = 1;
wpas_notify_persistent_group_added(wpa_s, ssid);
wpa_config_set_network_defaults(ssid);
dbus_error_init(&error);
if (!set_network_properties(wpa_s, ssid, &iter, &error)) {
wpa_printf(MSG_DEBUG,
"dbus: %s: Control interface could not set persistent group properties",
__func__);
reply = wpas_dbus_reply_new_from_error(
message, &error, DBUS_ERROR_INVALID_ARGS,
"Failed to set network properties");
dbus_error_free(&error);
goto err;
}
/* Construct the object path for this network. */
os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART "/%d",
wpa_s->parent->dbus_new_path, ssid->id);
reply = dbus_message_new_method_return(message);
if (reply == NULL) {
reply = wpas_dbus_error_no_memory(message);
goto err;
}
if (!dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
dbus_message_unref(reply);
reply = wpas_dbus_error_no_memory(message);
goto err;
}
return reply;
err:
if (ssid) {
wpas_notify_persistent_group_removed(wpa_s, ssid);
wpa_config_remove_network(wpa_s->conf, ssid->id);
}
return reply;
}
/**
* wpas_dbus_handler_remove_persistent_group - Remove a configured persistent
* group
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on success or dbus error on failure
*
* Handler function for "RemovePersistentGroup" method call of a P2P Device
* interface.
*/
DBusMessage * wpas_dbus_handler_remove_persistent_group(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
const char *op;
char *iface = NULL, *persistent_group_id;
int id;
struct wpa_ssid *ssid;
dbus_message_get_args(message, NULL, DBUS_TYPE_OBJECT_PATH, &op,
DBUS_TYPE_INVALID);
wpa_s = wpa_s->global->p2p_init_wpa_s;
/*
* Extract the network ID and ensure the network is actually a child of
* this interface.
*/
iface = wpas_dbus_new_decompose_object_path(
op, WPAS_DBUS_NEW_PERSISTENT_GROUPS_PART,
&persistent_group_id);
if (iface == NULL || persistent_group_id == NULL ||
!wpa_s->parent->dbus_new_path ||
os_strcmp(iface, wpa_s->parent->dbus_new_path) != 0) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
id = strtoul(persistent_group_id, NULL, 10);
if (errno == EINVAL) {
reply = wpas_dbus_error_invalid_args(message, op);
goto out;
}
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
reply = wpas_dbus_error_persistent_group_unknown(message);
goto out;
}
wpas_notify_persistent_group_removed(wpa_s, ssid);
if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
wpa_printf(MSG_ERROR,
"dbus: %s: error occurred when removing persistent group %d",
__func__, id);
reply = wpas_dbus_error_unknown_error(
message,
"error removing the specified persistent group on this interface.");
goto out;
}
out:
os_free(iface);
return reply;
}
static void remove_persistent_group(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
wpas_notify_persistent_group_removed(wpa_s, ssid);
if (wpa_config_remove_network(wpa_s->conf, ssid->id) < 0) {
wpa_printf(MSG_ERROR,
"dbus: %s: error occurred when removing persistent group %d",
__func__, ssid->id);
return;
}
}
/**
* wpas_dbus_handler_remove_all_persistent_groups - Remove all configured
* persistent groups
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: NULL on success or dbus error on failure
*
* Handler function for "RemoveAllPersistentGroups" method call of a
* P2P Device interface.
*/
DBusMessage * wpas_dbus_handler_remove_all_persistent_groups(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
struct wpa_ssid *ssid, *next;
struct wpa_config *config;
wpa_s = wpa_s->global->p2p_init_wpa_s;
config = wpa_s->conf;
ssid = config->ssid;
while (ssid) {
next = ssid->next;
if (network_is_persistent_group(ssid))
remove_persistent_group(wpa_s, ssid);
ssid = next;
}
return NULL;
}
/*
* Group object properties accessor methods
*/
dbus_bool_t wpas_dbus_getter_p2p_group_members(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct wpa_ssid *ssid;
unsigned int num_members;
char **paths;
unsigned int i;
void *next = NULL;
const u8 *addr;
dbus_bool_t success = FALSE;
if (!wpa_s->parent->parent->dbus_new_path)
return FALSE;
/* Verify correct role for this property */
if (wpas_get_p2p_role(wpa_s) != WPAS_P2P_ROLE_GO) {
return wpas_dbus_simple_array_property_getter(
iter, DBUS_TYPE_OBJECT_PATH, NULL, 0, error);
}
ssid = wpa_s->conf->ssid;
/* At present WPAS P2P_GO mode only applicable for p2p_go */
if (ssid->mode != WPAS_MODE_P2P_GO &&
ssid->mode != WPAS_MODE_AP &&
ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION)
return FALSE;
num_members = p2p_get_group_num_members(wpa_s->p2p_group);
paths = os_calloc(num_members, sizeof(char *));
if (!paths)
goto out_of_memory;
i = 0;
while ((addr = p2p_iterate_group_members(wpa_s->p2p_group, &next))) {
paths[i] = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
if (!paths[i])
goto out_of_memory;
os_snprintf(paths[i], WPAS_DBUS_OBJECT_PATH_MAX,
"%s/" WPAS_DBUS_NEW_P2P_PEERS_PART
"/" COMPACT_MACSTR,
wpa_s->parent->parent->dbus_new_path,
MAC2STR(addr));
i++;
}
success = wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_OBJECT_PATH,
paths, num_members,
error);
for (i = 0; i < num_members; i++)
os_free(paths[i]);
os_free(paths);
return success;
out_of_memory:
dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, "no memory");
if (paths) {
for (i = 0; i < num_members; i++)
os_free(paths[i]);
os_free(paths);
}
return FALSE;
}
dbus_bool_t wpas_dbus_getter_p2p_group_ssid(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
if (wpa_s->current_ssid == NULL)
return FALSE;
return wpas_dbus_simple_array_property_getter(
iter, DBUS_TYPE_BYTE, wpa_s->current_ssid->ssid,
wpa_s->current_ssid->ssid_len, error);
}
dbus_bool_t wpas_dbus_getter_p2p_group_bssid(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
u8 role = wpas_get_p2p_role(wpa_s);
u8 *p_bssid;
if (role == WPAS_P2P_ROLE_CLIENT) {
if (wpa_s->current_ssid == NULL)
return FALSE;
p_bssid = wpa_s->current_ssid->bssid;
} else {
if (wpa_s->ap_iface == NULL)
return FALSE;
p_bssid = wpa_s->ap_iface->bss[0]->own_addr;
}
return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
p_bssid, ETH_ALEN,
error);
}
dbus_bool_t wpas_dbus_getter_p2p_group_frequency(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
u16 op_freq;
u8 role = wpas_get_p2p_role(wpa_s);
if (role == WPAS_P2P_ROLE_CLIENT) {
if (wpa_s->go_params == NULL)
return FALSE;
op_freq = wpa_s->go_params->freq;
} else {
if (wpa_s->ap_iface == NULL)
return FALSE;
op_freq = wpa_s->ap_iface->freq;
}
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_UINT16,
&op_freq, error);
}
dbus_bool_t wpas_dbus_getter_p2p_group_passphrase(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (ssid == NULL)
return FALSE;
return wpas_dbus_string_property_getter(iter, ssid->passphrase, error);
}
dbus_bool_t wpas_dbus_getter_p2p_group_psk(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
u8 *p_psk = NULL;
u8 psk_len = 0;
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (ssid == NULL)
return FALSE;
if (ssid->psk_set) {
p_psk = ssid->psk;
psk_len = sizeof(ssid->psk);
}
return wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
p_psk, psk_len, error);
}
dbus_bool_t wpas_dbus_getter_p2p_group_vendor_ext(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
struct hostapd_data *hapd;
struct wpabuf *vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
unsigned int i, num_vendor_ext = 0;
os_memset(vendor_ext, 0, sizeof(vendor_ext));
/* Verify correct role for this property */
if (wpas_get_p2p_role(wpa_s) == WPAS_P2P_ROLE_GO) {
if (wpa_s->ap_iface == NULL)
return FALSE;
hapd = wpa_s->ap_iface->bss[0];
/* Parse WPS Vendor Extensions sent in Beacon/Probe Response */
for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
if (hapd->conf->wps_vendor_ext[i] == NULL)
continue;
vendor_ext[num_vendor_ext++] =
hapd->conf->wps_vendor_ext[i];
}
}
/* Return vendor extensions or no data */
return wpas_dbus_simple_array_array_property_getter(iter,
DBUS_TYPE_BYTE,
vendor_ext,
num_vendor_ext,
error);
}
dbus_bool_t wpas_dbus_setter_p2p_group_vendor_ext(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_supplicant *wpa_s = user_data;
DBusMessageIter variant_iter, iter_dict, array_iter, sub;
struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
unsigned int i;
struct hostapd_data *hapd = NULL;
if (wpas_get_p2p_role(wpa_s) == WPAS_P2P_ROLE_GO &&
wpa_s->ap_iface != NULL)
hapd = wpa_s->ap_iface->bss[0];
else
return FALSE;
dbus_message_iter_recurse(iter, &variant_iter);
if (dbus_message_iter_get_arg_type(&variant_iter) != DBUS_TYPE_ARRAY)
return FALSE;
/*
* This is supposed to be array of bytearrays (aay), but the earlier
* implementation used a dict with "WPSVendorExtensions" as the key in
* this setter function which does not match the format used by the
* getter function. For backwards compatibility, allow both formats to
* be used in the setter.
*/
if (dbus_message_iter_get_element_type(&variant_iter) ==
DBUS_TYPE_ARRAY) {
/* This is the proper format matching the getter */
struct wpabuf *vals[MAX_WPS_VENDOR_EXTENSIONS];
dbus_message_iter_recurse(&variant_iter, &array_iter);
if (dbus_message_iter_get_arg_type(&array_iter) !=
DBUS_TYPE_ARRAY ||
dbus_message_iter_get_element_type(&array_iter) !=
DBUS_TYPE_BYTE) {
wpa_printf(MSG_DEBUG,
"dbus: Not an array of array of bytes");
return FALSE;
}
i = 0;
os_memset(vals, 0, sizeof(vals));
while (dbus_message_iter_get_arg_type(&array_iter) ==
DBUS_TYPE_ARRAY) {
char *val;
int len;
if (i == MAX_WPS_VENDOR_EXTENSIONS) {
wpa_printf(MSG_DEBUG,
"dbus: Too many WPSVendorExtensions values");
i = MAX_WPS_VENDOR_EXTENSIONS + 1;
break;
}
dbus_message_iter_recurse(&array_iter, &sub);
dbus_message_iter_get_fixed_array(&sub, &val, &len);
wpa_hexdump(MSG_DEBUG, "dbus: WPSVendorExtentions[]",
val, len);
vals[i] = wpabuf_alloc_copy(val, len);
if (vals[i] == NULL) {
i = MAX_WPS_VENDOR_EXTENSIONS + 1;
break;
}
i++;
dbus_message_iter_next(&array_iter);
}
if (i > MAX_WPS_VENDOR_EXTENSIONS) {
for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++)
wpabuf_free(vals[i]);
return FALSE;
}
for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
wpabuf_free(hapd->conf->wps_vendor_ext[i]);
hapd->conf->wps_vendor_ext[i] = vals[i];
}
hostapd_update_wps(hapd);
return TRUE;
}
if (dbus_message_iter_get_element_type(&variant_iter) !=
DBUS_TYPE_DICT_ENTRY)
return FALSE;
wpa_printf(MSG_DEBUG,
"dbus: Try to use backwards compatibility version of WPSVendorExtensions setter");
if (!wpa_dbus_dict_open_read(&variant_iter, &iter_dict, error))
return FALSE;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
"invalid message format");
return FALSE;
}
if (os_strcmp(entry.key, "WPSVendorExtensions") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != WPAS_DBUS_TYPE_BINARRAY ||
entry.array_len > MAX_WPS_VENDOR_EXTENSIONS)
goto error;
for (i = 0; i < MAX_WPS_VENDOR_EXTENSIONS; i++) {
wpabuf_free(hapd->conf->wps_vendor_ext[i]);
if (i < entry.array_len) {
hapd->conf->wps_vendor_ext[i] =
entry.binarray_value[i];
entry.binarray_value[i] = NULL;
} else
hapd->conf->wps_vendor_ext[i] = NULL;
}
hostapd_update_wps(hapd);
} else
goto error;
wpa_dbus_dict_entry_clear(&entry);
}
return TRUE;
error:
wpa_dbus_dict_entry_clear(&entry);
dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
"invalid message format");
return FALSE;
}
DBusMessage * wpas_dbus_handler_p2p_add_service(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
int upnp = 0;
int bonjour = 0;
char *service = NULL;
struct wpabuf *query = NULL;
struct wpabuf *resp = NULL;
u8 version = 0;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "service_type") == 0 &&
entry.type == DBUS_TYPE_STRING) {
if (os_strcmp(entry.str_value, "upnp") == 0)
upnp = 1;
else if (os_strcmp(entry.str_value, "bonjour") == 0)
bonjour = 1;
else
goto error_clear;
} else if (os_strcmp(entry.key, "version") == 0 &&
entry.type == DBUS_TYPE_INT32) {
version = entry.uint32_value;
} else if (os_strcmp(entry.key, "service") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(service);
service = os_strdup(entry.str_value);
} else if (os_strcmp(entry.key, "query") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE)
goto error_clear;
query = wpabuf_alloc_copy(
entry.bytearray_value,
entry.array_len);
} else if (os_strcmp(entry.key, "response") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE)
goto error_clear;
resp = wpabuf_alloc_copy(entry.bytearray_value,
entry.array_len);
}
wpa_dbus_dict_entry_clear(&entry);
}
if (upnp == 1) {
if (version <= 0 || service == NULL)
goto error;
if (wpas_p2p_service_add_upnp(wpa_s, version, service) != 0)
goto error;
} else if (bonjour == 1) {
if (query == NULL || resp == NULL)
goto error;
if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0)
goto error;
query = NULL;
resp = NULL;
} else
goto error;
os_free(service);
return reply;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
os_free(service);
wpabuf_free(query);
wpabuf_free(resp);
return wpas_dbus_error_invalid_args(message, NULL);
}
DBusMessage * wpas_dbus_handler_p2p_delete_service(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
int upnp = 0;
int bonjour = 0;
int ret = 0;
char *service = NULL;
struct wpabuf *query = NULL;
u8 version = 0;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
if (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "service_type") == 0 &&
entry.type == DBUS_TYPE_STRING) {
if (os_strcmp(entry.str_value, "upnp") == 0)
upnp = 1;
else if (os_strcmp(entry.str_value, "bonjour") == 0)
bonjour = 1;
else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
}
if (upnp == 1) {
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "version") == 0 &&
entry.type == DBUS_TYPE_INT32)
version = entry.uint32_value;
else if (os_strcmp(entry.key, "service") == 0 &&
entry.type == DBUS_TYPE_STRING) {
os_free(service);
service = os_strdup(entry.str_value);
} else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
if (version <= 0 || service == NULL)
goto error;
ret = wpas_p2p_service_del_upnp(wpa_s, version, service);
if (ret != 0)
goto error;
} else if (bonjour == 1) {
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "query") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE)
goto error_clear;
wpabuf_free(query);
query = wpabuf_alloc_copy(
entry.bytearray_value,
entry.array_len);
} else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
if (query == NULL)
goto error;
ret = wpas_p2p_service_del_bonjour(wpa_s, query);
if (ret != 0)
goto error;
} else
goto error;
wpabuf_free(query);
os_free(service);
return reply;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
wpabuf_free(query);
os_free(service);
return wpas_dbus_error_invalid_args(message, NULL);
}
DBusMessage * wpas_dbus_handler_p2p_flush_service(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
wpas_p2p_service_flush(wpa_s);
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_service_sd_req(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
int upnp = 0;
char *service = NULL;
char *peer_object_path = NULL;
struct wpabuf *tlv = NULL;
u8 version = 0;
u64 ref = 0;
u8 addr_buf[ETH_ALEN], *addr;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "peer_object") == 0 &&
entry.type == DBUS_TYPE_OBJECT_PATH) {
peer_object_path = os_strdup(entry.str_value);
} else if (os_strcmp(entry.key, "service_type") == 0 &&
entry.type == DBUS_TYPE_STRING) {
if (os_strcmp(entry.str_value, "upnp") == 0)
upnp = 1;
else
goto error_clear;
} else if (os_strcmp(entry.key, "version") == 0 &&
entry.type == DBUS_TYPE_INT32) {
version = entry.uint32_value;
} else if (os_strcmp(entry.key, "service") == 0 &&
entry.type == DBUS_TYPE_STRING) {
service = os_strdup(entry.str_value);
} else if (os_strcmp(entry.key, "tlv") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE)
goto error_clear;
tlv = wpabuf_alloc_copy(entry.bytearray_value,
entry.array_len);
} else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
if (!peer_object_path) {
addr = NULL;
} else {
if (parse_peer_object_path(peer_object_path, addr_buf) < 0 ||
!p2p_peer_known(wpa_s->global->p2p, addr_buf))
goto error;
addr = addr_buf;
}
if (upnp == 1) {
if (version <= 0 || service == NULL)
goto error;
ref = wpas_p2p_sd_request_upnp(wpa_s, addr, version, service);
} else {
if (tlv == NULL)
goto error;
ref = wpas_p2p_sd_request(wpa_s, addr, tlv);
wpabuf_free(tlv);
}
if (ref != 0) {
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_UINT64,
&ref, DBUS_TYPE_INVALID);
} else {
reply = wpas_dbus_error_unknown_error(
message, "Unable to send SD request");
}
out:
os_free(service);
os_free(peer_object_path);
return reply;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
if (tlv)
wpabuf_free(tlv);
reply = wpas_dbus_error_invalid_args(message, NULL);
goto out;
}
DBusMessage * wpas_dbus_handler_p2p_service_sd_res(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter_dict;
DBusMessage *reply = NULL;
DBusMessageIter iter;
struct wpa_dbus_dict_entry entry;
char *peer_object_path = NULL;
struct wpabuf *tlv = NULL;
int freq = 0;
int dlg_tok = 0;
u8 addr[ETH_ALEN];
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict, NULL))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (os_strcmp(entry.key, "peer_object") == 0 &&
entry.type == DBUS_TYPE_OBJECT_PATH) {
peer_object_path = os_strdup(entry.str_value);
} else if (os_strcmp(entry.key, "frequency") == 0 &&
entry.type == DBUS_TYPE_INT32) {
freq = entry.uint32_value;
} else if (os_strcmp(entry.key, "dialog_token") == 0 &&
(entry.type == DBUS_TYPE_UINT32 ||
entry.type == DBUS_TYPE_INT32)) {
dlg_tok = entry.uint32_value;
} else if (os_strcmp(entry.key, "tlvs") == 0) {
if (entry.type != DBUS_TYPE_ARRAY ||
entry.array_type != DBUS_TYPE_BYTE)
goto error_clear;
tlv = wpabuf_alloc_copy(entry.bytearray_value,
entry.array_len);
} else
goto error_clear;
wpa_dbus_dict_entry_clear(&entry);
}
if (parse_peer_object_path(peer_object_path, addr) < 0 ||
!p2p_peer_known(wpa_s->global->p2p, addr) ||
tlv == NULL)
goto error;
wpas_p2p_sd_response(wpa_s, freq, addr, (u8) dlg_tok, tlv);
wpabuf_free(tlv);
out:
os_free(peer_object_path);
return reply;
error_clear:
wpa_dbus_dict_entry_clear(&entry);
error:
reply = wpas_dbus_error_invalid_args(message, NULL);
goto out;
}
DBusMessage * wpas_dbus_handler_p2p_service_sd_cancel_req(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter;
u64 req = 0;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &req);
if (req == 0)
goto error;
if (wpas_p2p_sd_cancel_request(wpa_s, req) < 0)
goto error;
return NULL;
error:
return wpas_dbus_error_invalid_args(message, NULL);
}
DBusMessage * wpas_dbus_handler_p2p_service_update(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
wpas_p2p_sd_service_update(wpa_s);
return NULL;
}
DBusMessage * wpas_dbus_handler_p2p_serv_disc_external(
DBusMessage *message, struct wpa_supplicant *wpa_s)
{
DBusMessageIter iter;
int ext = 0;
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &ext);
wpa_s->p2p_sd_over_ctrl_iface = ext;
return NULL;
}
#ifdef CONFIG_WIFI_DISPLAY
dbus_bool_t wpas_dbus_getter_global_wfd_ies(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_global *global = user_data;
struct wpabuf *ie;
dbus_bool_t ret;
ie = wifi_display_get_wfd_ie(global);
if (ie == NULL)
return wpas_dbus_simple_array_property_getter(iter,
DBUS_TYPE_BYTE,
NULL, 0, error);
ret = wpas_dbus_simple_array_property_getter(iter, DBUS_TYPE_BYTE,
wpabuf_head(ie),
wpabuf_len(ie), error);
wpabuf_free(ie);
return ret;
}
dbus_bool_t wpas_dbus_setter_global_wfd_ies(
const struct wpa_dbus_property_desc *property_desc,
DBusMessageIter *iter, DBusError *error, void *user_data)
{
struct wpa_global *global = user_data;
DBusMessageIter variant, array;
struct wpabuf *ie = NULL;
const u8 *data;
int len;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT)
goto err;
dbus_message_iter_recurse(iter, &variant);
if (dbus_message_iter_get_arg_type(&variant) != DBUS_TYPE_ARRAY)
goto err;
dbus_message_iter_recurse(&variant, &array);
dbus_message_iter_get_fixed_array(&array, &data, &len);
if (len == 0) {
wifi_display_enable(global, 0);
wifi_display_deinit(global);
return TRUE;
}
ie = wpabuf_alloc(len);
if (ie == NULL)
goto err;
wpabuf_put_data(ie, data, len);
if (wifi_display_subelem_set_from_ies(global, ie) != 0)
goto err;
if (global->wifi_display == 0)
wifi_display_enable(global, 1);
wpabuf_free(ie);
return TRUE;
err:
wpabuf_free(ie);
dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
"invalid message format");
return FALSE;
}
#endif /* CONFIG_WIFI_DISPLAY */
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