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fragattacks/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
Purushottam Kushwaha bcce934755 dbus: Restrict DeviceName size to 32 characters in setter 
The maximum WPS Device Name length is 32 characters and that limit was
already enforced for the control interface and configuration files.

Signed-off-by: Purushottam Kushwaha <p.kushwaha@samsung.com>
2016-01-15 20:16:13 +02:00

2962 lines
78 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"
/**
* 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;
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
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, 0);
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;
}
/* 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, "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;
char *p_pass;
struct wpa_ssid *ssid = wpa_s->current_ssid;
if (ssid == NULL)
return FALSE;
p_pass = ssid->passphrase;
if (!p_pass)
p_pass = "";
return wpas_dbus_simple_property_getter(iter, DBUS_TYPE_STRING,
&p_pass, 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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