blob: 8440451006612f5540a8d15e3b7a66c474526daa [file] [log] [blame] [edit]
/*
*
* Connection Manager
*
* Copyright (C) 2012-2013 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <gdbus.h>
#include <connman/agent.h>
#include <connman/setting.h>
#include <connman/service.h>
#include "connman.h"
static bool check_reply_has_dict(DBusMessage *reply)
{
const char *signature = DBUS_TYPE_ARRAY_AS_STRING
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING
DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
if (dbus_message_has_signature(reply, signature))
return true;
connman_warn("Reply %s to %s from %s has wrong signature %s",
signature,
dbus_message_get_interface(reply),
dbus_message_get_sender(reply),
dbus_message_get_signature(reply));
return false;
}
struct request_input_reply {
struct connman_service *service;
struct connman_peer *peer;
union {
authentication_cb_t service_callback;
peer_wps_cb_t peer_callback;
};
bool wps_requested;
void *user_data;
};
static void request_input_passphrase_reply(DBusMessage *reply, void *user_data)
{
struct request_input_reply *passphrase_reply = user_data;
bool values_received = false;
bool wps = false;
const char *error = NULL;
char *identity = NULL;
char *passphrase = NULL;
char *wpspin = NULL;
char *key;
char *name = NULL;
int name_len = 0;
DBusMessageIter iter, dict;
if (!reply) {
error = CONNMAN_ERROR_INTERFACE ".OperationAborted";
goto done;
}
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
error = dbus_message_get_error_name(reply);
goto done;
}
if (!check_reply_has_dict(reply))
goto done;
values_received = true;
dbus_message_iter_init(reply, &iter);
dbus_message_iter_recurse(&iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry, value;
dbus_message_iter_recurse(&dict, &entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&entry, &key);
if (g_str_equal(key, "Identity")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &identity);
} else if (g_str_equal(key, "Passphrase")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &passphrase);
} else if (g_str_equal(key, "WPS")) {
wps = true;
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &wpspin);
break;
} else if (g_str_equal(key, "Name")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &name);
name_len = strlen(name);
} else if (g_str_equal(key, "SSID")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
if (dbus_message_iter_get_arg_type(&value)
!= DBUS_TYPE_VARIANT)
break;
if (dbus_message_iter_get_element_type(&value)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_get_fixed_array(&value, &name,
&name_len);
}
dbus_message_iter_next(&dict);
}
done:
passphrase_reply->service_callback(passphrase_reply->service,
values_received, name, name_len,
identity, passphrase, wps, wpspin,
error, passphrase_reply->user_data);
g_free(passphrase_reply);
}
static void request_input_append_alternates(DBusMessageIter *iter,
void *user_data)
{
const char *str = user_data;
char **alternates, **alternative;
if (!str)
return;
alternates = g_strsplit(str, ",", 0);
if (!alternates)
return;
for (alternative = alternates; *alternative; alternative++)
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
alternative);
g_strfreev(alternates);
}
static void request_input_append_identity(DBusMessageIter *iter,
void *user_data)
{
char *str = "string";
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &str);
str = "mandatory";
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &str);
}
static void request_input_append_passphrase(DBusMessageIter *iter,
void *user_data)
{
struct connman_service *service = user_data;
char *value;
const char *phase2;
switch (__connman_service_get_security(service)) {
case CONNMAN_SERVICE_SECURITY_WEP:
value = "wep";
break;
case CONNMAN_SERVICE_SECURITY_PSK:
value = "psk";
break;
case CONNMAN_SERVICE_SECURITY_8021X:
phase2 = __connman_service_get_phase2(service);
if (phase2 && (
g_str_has_suffix(phase2, "GTC") ||
g_str_has_suffix(phase2, "OTP")))
value = "response";
else
value = "passphrase";
break;
default:
value = "string";
break;
}
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &value);
value = "mandatory";
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &value);
if (__connman_service_wps_enabled(service)) {
connman_dbus_dict_append_array(iter, "Alternates",
DBUS_TYPE_STRING,
request_input_append_alternates,
"WPS");
}
}
struct request_wps_data {
bool peer;
};
static void request_input_append_wps(DBusMessageIter *iter, void *user_data)
{
struct request_wps_data *wps = user_data;
const char *str = "wpspin";
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &str);
if (wps && wps->peer)
str = "mandatory";
else
str = "alternate";
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &str);
}
static void request_input_append_name(DBusMessageIter *iter, void *user_data)
{
const char *str = "string";
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &str);
str = "mandatory";
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &str);
connman_dbus_dict_append_array(iter, "Alternates",
DBUS_TYPE_STRING,
request_input_append_alternates,
"SSID");
}
static void request_input_append_ssid(DBusMessageIter *iter, void *user_data)
{
const char *str = "ssid";
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &str);
str = "alternate";
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &str);
}
static void request_input_append_password(DBusMessageIter *iter,
void *user_data)
{
char *str = "passphrase";
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &str);
str = "mandatory";
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &str);
}
struct previous_passphrase_data {
const char *passphrase;
const char *type;
};
static void request_input_append_previouspassphrase(DBusMessageIter *iter,
void *user_data)
{
struct previous_passphrase_data *data = user_data;
const char *requirement = "informational";
connman_dbus_dict_append_basic(iter, "Type",
DBUS_TYPE_STRING, &data->type);
connman_dbus_dict_append_basic(iter, "Requirement",
DBUS_TYPE_STRING, &requirement);
connman_dbus_dict_append_basic(iter, "Value",
DBUS_TYPE_STRING, &data->passphrase);
}
static void previous_passphrase_handler(DBusMessageIter *iter,
struct connman_service *service)
{
enum connman_service_security security;
struct previous_passphrase_data data;
struct connman_network *network;
network = __connman_service_get_network(service);
data.passphrase = connman_network_get_string(network, "WiFi.PinWPS");
if (connman_network_get_bool(network, "WiFi.UseWPS") &&
data.passphrase) {
data.type = "wpspin";
} else {
data.passphrase = __connman_service_get_passphrase(service);
if (!data.passphrase)
return;
security = __connman_service_get_security(service);
switch (security) {
case CONNMAN_SERVICE_SECURITY_WEP:
data.type = "wep";
break;
case CONNMAN_SERVICE_SECURITY_PSK:
data.type = "psk";
break;
/*
* This should never happen: no passphrase is set if security
* is not one of the above. */
default:
break;
}
}
connman_dbus_dict_append_dict(iter, "PreviousPassphrase",
request_input_append_previouspassphrase, &data);
}
static void request_input_login_reply(DBusMessage *reply, void *user_data)
{
struct request_input_reply *username_password_reply = user_data;
const char *error = NULL;
bool values_received = false;
char *username = NULL;
char *password = NULL;
char *key;
DBusMessageIter iter, dict;
if (!reply) {
error = CONNMAN_ERROR_INTERFACE ".OperationAborted";
goto done;
}
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
error = dbus_message_get_error_name(reply);
goto done;
}
if (!check_reply_has_dict(reply))
goto done;
values_received = true;
dbus_message_iter_init(reply, &iter);
dbus_message_iter_recurse(&iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry, value;
dbus_message_iter_recurse(&dict, &entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&entry, &key);
if (g_str_equal(key, "Username")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &username);
} else if (g_str_equal(key, "Password")) {
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry) !=
DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &password);
}
dbus_message_iter_next(&dict);
}
done:
username_password_reply->service_callback(
username_password_reply->service, values_received,
NULL, 0, username, password, FALSE, NULL, error,
username_password_reply->user_data);
g_free(username_password_reply);
}
int __connman_agent_request_passphrase_input(struct connman_service *service,
authentication_cb_t callback,
const char *dbus_sender, void *user_data)
{
DBusMessage *message;
const char *path, *agent_sender, *agent_path;
DBusMessageIter iter;
DBusMessageIter dict;
struct request_input_reply *passphrase_reply;
int err;
void *agent;
agent = connman_agent_get_info(dbus_sender, &agent_sender,
&agent_path);
DBG("agent %p service %p path %s", agent, service, agent_path);
if (!service || !agent || !agent_path || !callback)
return -ESRCH;
message = dbus_message_new_method_call(agent_sender, agent_path,
CONNMAN_AGENT_INTERFACE,
"RequestInput");
if (!message)
return -ENOMEM;
dbus_message_iter_init_append(message, &iter);
path = __connman_service_get_path(service);
dbus_message_iter_append_basic(&iter,
DBUS_TYPE_OBJECT_PATH, &path);
connman_dbus_dict_open(&iter, &dict);
if (__connman_service_is_hidden(service)) {
connman_dbus_dict_append_dict(&dict, "Name",
request_input_append_name, NULL);
connman_dbus_dict_append_dict(&dict, "SSID",
request_input_append_ssid, NULL);
}
if (__connman_service_get_security(service) ==
CONNMAN_SERVICE_SECURITY_8021X) {
connman_dbus_dict_append_dict(&dict, "Identity",
request_input_append_identity, service);
}
if (__connman_service_get_security(service) !=
CONNMAN_SERVICE_SECURITY_NONE) {
connman_dbus_dict_append_dict(&dict, "Passphrase",
request_input_append_passphrase, service);
previous_passphrase_handler(&dict, service);
}
if (__connman_service_wps_enabled(service))
connman_dbus_dict_append_dict(&dict, "WPS",
request_input_append_wps, NULL);
connman_dbus_dict_close(&iter, &dict);
passphrase_reply = g_try_new0(struct request_input_reply, 1);
if (!passphrase_reply) {
dbus_message_unref(message);
return -ENOMEM;
}
passphrase_reply->service = service;
passphrase_reply->service_callback = callback;
passphrase_reply->user_data = user_data;
err = connman_agent_queue_message(service, message,
connman_timeout_input_request(),
request_input_passphrase_reply,
passphrase_reply, agent);
if (err < 0 && err != -EBUSY) {
DBG("error %d sending agent message", err);
dbus_message_unref(message);
g_free(passphrase_reply);
return err;
}
dbus_message_unref(message);
return -EINPROGRESS;
}
int __connman_agent_request_login_input(struct connman_service *service,
authentication_cb_t callback, void *user_data)
{
DBusMessage *message;
const char *path, *agent_sender, *agent_path;
DBusMessageIter iter;
DBusMessageIter dict;
struct request_input_reply *username_password_reply;
int err;
void *agent;
agent = connman_agent_get_info(NULL, &agent_sender, &agent_path);
if (!service || !agent || !agent_path || !callback)
return -ESRCH;
message = dbus_message_new_method_call(agent_sender, agent_path,
CONNMAN_AGENT_INTERFACE,
"RequestInput");
if (!message)
return -ENOMEM;
dbus_message_iter_init_append(message, &iter);
path = __connman_service_get_path(service);
dbus_message_iter_append_basic(&iter,
DBUS_TYPE_OBJECT_PATH, &path);
connman_dbus_dict_open(&iter, &dict);
connman_dbus_dict_append_dict(&dict, "Username",
request_input_append_identity, service);
connman_dbus_dict_append_dict(&dict, "Password",
request_input_append_password, service);
connman_dbus_dict_close(&iter, &dict);
username_password_reply = g_try_new0(struct request_input_reply, 1);
if (!username_password_reply) {
dbus_message_unref(message);
return -ENOMEM;
}
username_password_reply->service = service;
username_password_reply->service_callback = callback;
username_password_reply->user_data = user_data;
err = connman_agent_queue_message(service, message,
connman_timeout_input_request(),
request_input_login_reply, username_password_reply,
agent);
if (err < 0 && err != -EBUSY) {
DBG("error %d sending agent request", err);
dbus_message_unref(message);
g_free(username_password_reply);
return err;
}
dbus_message_unref(message);
return -EINPROGRESS;
}
struct request_browser_reply_data {
struct connman_service *service;
browser_authentication_cb_t callback;
void *user_data;
};
static void request_browser_reply(DBusMessage *reply, void *user_data)
{
struct request_browser_reply_data *browser_reply_data = user_data;
bool result = false;
const char *error = NULL;
if (!reply) {
error = CONNMAN_ERROR_INTERFACE ".OperationAborted";
goto done;
}
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
error = dbus_message_get_error_name(reply);
goto done;
}
result = true;
done:
browser_reply_data->callback(browser_reply_data->service, result,
error, browser_reply_data->user_data);
g_free(browser_reply_data);
}
int __connman_agent_request_browser(struct connman_service *service,
browser_authentication_cb_t callback,
const char *url, void *user_data)
{
struct request_browser_reply_data *browser_reply_data;
DBusMessage *message;
DBusMessageIter iter;
const char *path, *agent_sender, *agent_path;
int err;
void *agent;
agent = connman_agent_get_info(NULL, &agent_sender, &agent_path);
if (!service || !agent || !agent_path || !callback)
return -ESRCH;
if (!url)
url = "";
message = dbus_message_new_method_call(agent_sender, agent_path,
CONNMAN_AGENT_INTERFACE,
"RequestBrowser");
if (!message)
return -ENOMEM;
dbus_message_iter_init_append(message, &iter);
path = __connman_service_get_path(service);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &url);
browser_reply_data = g_try_new0(struct request_browser_reply_data, 1);
if (!browser_reply_data) {
dbus_message_unref(message);
return -ENOMEM;
}
browser_reply_data->service = service;
browser_reply_data->callback = callback;
browser_reply_data->user_data = user_data;
err = connman_agent_queue_message(service, message,
connman_timeout_browser_launch(),
request_browser_reply, browser_reply_data,
agent);
if (err < 0 && err != -EBUSY) {
DBG("error %d sending browser request", err);
dbus_message_unref(message);
g_free(browser_reply_data);
return err;
}
dbus_message_unref(message);
return -EINPROGRESS;
}
int __connman_agent_report_peer_error(struct connman_peer *peer,
const char *path, const char *error,
report_error_cb_t callback,
const char *dbus_sender,
void *user_data)
{
return connman_agent_report_error_full(peer, path, "ReportPeerError",
error, callback, dbus_sender, user_data);
}
static void request_peer_authorization_reply(DBusMessage *reply,
void *user_data)
{
struct request_input_reply *auth_reply = user_data;
DBusMessageIter iter, dict;
const char *error = NULL;
bool choice_done = false;
char *wpspin = NULL;
char *key;
if (!reply) {
error = CONNMAN_ERROR_INTERFACE ".OperationAborted";
goto done;
}
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
error = dbus_message_get_error_name(reply);
goto done;
}
if (!check_reply_has_dict(reply))
goto done;
dbus_message_iter_init(reply, &iter);
dbus_message_iter_recurse(&iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry, value;
dbus_message_iter_recurse(&dict, &entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
break;
dbus_message_iter_get_basic(&entry, &key);
if (g_str_equal(key, "WPS")) {
choice_done = true;
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry)
!= DBUS_TYPE_VARIANT)
break;
dbus_message_iter_recurse(&entry, &value);
dbus_message_iter_get_basic(&value, &wpspin);
break;
}
dbus_message_iter_next(&dict);
}
if (!auth_reply->wps_requested)
choice_done = true;
done:
auth_reply->peer_callback(auth_reply->peer, choice_done, wpspin,
error, auth_reply->user_data);
g_free(auth_reply);
}
int __connman_agent_request_peer_authorization(struct connman_peer *peer,
peer_wps_cb_t callback,
bool wps_requested,
const char *dbus_sender,
void *user_data)
{
struct request_wps_data wps = { .peer = true };
const char *path, *agent_sender, *agent_path;
struct request_input_reply *auth_reply;
DBusMessageIter dict, iter;
DBusMessage *message;
void *agent;
int err;
agent = connman_agent_get_info(dbus_sender, &agent_sender,
&agent_path);
DBG("agent %p peer %p path %s", agent, peer, agent_path);
if (!peer || !agent || !agent_path || !callback)
return -ESRCH;
message = dbus_message_new_method_call(agent_sender, agent_path,
CONNMAN_AGENT_INTERFACE, "RequestPeerAuthorization");
if (!message)
return -ENOMEM;
dbus_message_iter_init_append(message, &iter);
path = __connman_peer_get_path(peer);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
connman_dbus_dict_open(&iter, &dict);
if (wps_requested)
connman_dbus_dict_append_dict(&dict, "WPS",
request_input_append_wps, &wps);
connman_dbus_dict_close(&iter, &dict);
auth_reply = g_try_new0(struct request_input_reply, 1);
if (!auth_reply) {
dbus_message_unref(message);
return -ENOMEM;
}
auth_reply->peer = peer;
auth_reply->peer_callback = callback;
auth_reply->wps_requested = wps_requested;
auth_reply->user_data = user_data;
err = connman_agent_queue_message(peer, message,
connman_timeout_input_request(),
request_peer_authorization_reply,
auth_reply, agent);
if (err < 0 && err != -EBUSY) {
DBG("error %d sending agent message", err);
dbus_message_unref(message);
g_free(auth_reply);
return err;
}
dbus_message_unref(message);
return -EINPROGRESS;
}