Add error codes for failing connection attempts
[platform/upstream/connman.git] / src / service.c
index 94ef22d..14f14c5 100644 (file)
@@ -23,6 +23,8 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <string.h>
 #include <gdbus.h>
 
 #include "connman.h"
@@ -44,6 +46,7 @@ struct connman_service {
        connman_uint8_t strength;
        connman_bool_t favorite;
        connman_bool_t hidden;
+       connman_bool_t ignore;
        GTimeVal modified;
        unsigned int order;
        char *name;
@@ -179,6 +182,32 @@ static const char *state2string(enum connman_service_state state)
        return NULL;
 }
 
+static const char *error2string(enum connman_service_error error)
+{
+       switch (error) {
+       case CONNMAN_SERVICE_ERROR_UNKNOWN:
+               break;
+       case CONNMAN_SERVICE_ERROR_PIN_MISSING:
+               return "pin-missing";
+       case CONNMAN_SERVICE_ERROR_DHCP_FAILED:
+               return "dhcp-failed";
+       case CONNMAN_SERVICE_ERROR_CONNECT_FAILED:
+               return "connect-failed";
+       }
+
+       return NULL;
+}
+
+static enum connman_service_error string2error(const char *error)
+{
+       if (g_strcmp0(error, "dhcp-failed") == 0)
+               return CONNMAN_SERVICE_ERROR_DHCP_FAILED;
+       else if (g_strcmp0(error, "pin-missing") == 0)
+               return CONNMAN_SERVICE_ERROR_PIN_MISSING;
+
+       return CONNMAN_SERVICE_ERROR_UNKNOWN;
+}
+
 static void state_changed(struct connman_service *service)
 {
        DBusMessage *signal;
@@ -280,6 +309,11 @@ static DBusMessage *get_properties(DBusConnection *conn,
                connman_dbus_dict_append_variant(&dict, "State",
                                                DBUS_TYPE_STRING, &str);
 
+       str = error2string(service->error);
+       if (str != NULL)
+               connman_dbus_dict_append_variant(&dict, "Error",
+                                               DBUS_TYPE_STRING, &str);
+
        if (service->strength > 0)
                connman_dbus_dict_append_variant(&dict, "Strength",
                                        DBUS_TYPE_BYTE, &service->strength);
@@ -360,16 +394,150 @@ static DBusMessage *set_property(DBusConnection *conn,
        return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 }
 
+static DBusMessage *clear_property(DBusConnection *conn,
+                                       DBusMessage *msg, void *user_data)
+{
+       struct connman_service *service = user_data;
+       const char *name;
+
+       DBG("service %p", service);
+
+       dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
+                                                       DBUS_TYPE_INVALID);
+
+       if (__connman_security_check_privilege(msg,
+                                       CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
+               return __connman_error_permission_denied(msg);
+
+       if (g_str_equal(name, "Error") == TRUE) {
+               service->state = CONNMAN_SERVICE_STATE_IDLE;
+               service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
+               state_changed(service);
+
+               g_get_current_time(&service->modified);
+               __connman_storage_save_service(service);
+       } else
+               return __connman_error_invalid_property(msg);
+
+       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+}
+
+static connman_bool_t is_connecting(struct connman_service *service)
+{
+       switch (service->state) {
+       case CONNMAN_SERVICE_STATE_UNKNOWN:
+       case CONNMAN_SERVICE_STATE_IDLE:
+       case CONNMAN_SERVICE_STATE_CARRIER:
+       case CONNMAN_SERVICE_STATE_FAILURE:
+       case CONNMAN_SERVICE_STATE_DISCONNECT:
+       case CONNMAN_SERVICE_STATE_READY:
+               break;
+       case CONNMAN_SERVICE_STATE_ASSOCIATION:
+       case CONNMAN_SERVICE_STATE_CONFIGURATION:
+               return TRUE;
+       }
+
+       return FALSE;
+}
+
+static struct connman_service *find_pending_service(void)
+{
+       struct connman_service *service;
+       GSequenceIter *iter;
+
+       iter = g_sequence_get_begin_iter(service_list);
+
+       while (g_sequence_iter_is_end(iter) == FALSE) {
+               service = g_sequence_get(iter);
+               if (service->pending != NULL)
+                       return service;
+
+               iter = g_sequence_iter_next(iter);
+       }
+
+       return NULL;
+}
+
+static connman_bool_t is_ignore(struct connman_service *service)
+{
+       if (service->ignore == TRUE)
+               return TRUE;
+
+       if (service->state == CONNMAN_SERVICE_STATE_FAILURE)
+               return TRUE;
+
+       return FALSE;
+}
+
+static void __connman_service_auto_connect(void)
+{
+       struct connman_service *service;
+       GSequenceIter *iter;
+
+       DBG("");
+
+       service = find_pending_service();
+       if (service != NULL)
+               return;
+
+       iter = g_sequence_get_begin_iter(service_list);
+       if (g_sequence_iter_is_end(iter) == TRUE)
+               return;
+
+       service = g_sequence_get(iter);
+
+       while (is_ignore(service) == TRUE) {
+               iter = g_sequence_iter_next(iter);
+               if (g_sequence_iter_is_end(iter))
+                       return;
+               service = g_sequence_get(iter);
+       }
+
+       if (service->favorite == FALSE)
+               return;
+
+       if (service->state == CONNMAN_SERVICE_STATE_READY)
+               return;
+
+       if (is_connecting(service) == TRUE)
+               return;
+
+       if (service->state == CONNMAN_SERVICE_STATE_IDLE)
+               __connman_service_connect(service);
+}
+
 static gboolean connect_timeout(gpointer user_data)
 {
        struct connman_service *service = user_data;
+       connman_bool_t auto_connect = FALSE;
 
        DBG("service %p", service);
 
        service->timeout = 0;
 
-       if (service->network != NULL)
+       if (service->network != NULL) {
+               connman_bool_t connected;
+
+               connected = connman_network_get_connected(service->network);
+               if (connected == TRUE) {
+                       __connman_service_indicate_state(service,
+                                               CONNMAN_SERVICE_STATE_READY);
+                       return FALSE;
+               }
+
                __connman_network_disconnect(service->network);
+       } else if (service->device != NULL) {
+               connman_bool_t disconnected;
+
+               disconnected = connman_device_get_disconnected(service->device);
+               if (disconnected == FALSE) {
+                       __connman_service_indicate_state(service,
+                                               CONNMAN_SERVICE_STATE_READY);
+                       return FALSE;
+               }
+
+               __connman_device_disconnect(service->device);
+       }
 
        if (service->pending != NULL) {
                DBusMessage *reply;
@@ -380,10 +548,14 @@ static gboolean connect_timeout(gpointer user_data)
 
                dbus_message_unref(service->pending);
                service->pending = NULL;
+       } else
+               auto_connect = TRUE;
 
-               __connman_service_indicate_state(service,
+       __connman_service_indicate_state(service,
                                        CONNMAN_SERVICE_STATE_FAILURE);
-       }
+
+       if (auto_connect == TRUE)
+               __connman_service_auto_connect();
 
        return FALSE;
 }
@@ -392,55 +564,40 @@ static DBusMessage *connect_service(DBusConnection *conn,
                                        DBusMessage *msg, void *user_data)
 {
        struct connman_service *service = user_data;
+       int err;
 
        DBG("service %p", service);
 
        if (service->pending != NULL)
                return __connman_error_in_progress(msg);
 
-       if (service->state == CONNMAN_SERVICE_STATE_READY)
-               return __connman_error_already_connected(msg);
-
-       if (service->network != NULL) {
-               int err;
+       service->ignore = FALSE;
 
-               if (service->hidden == TRUE)
-                       return __connman_error_invalid_service(msg);
+       service->pending = dbus_message_ref(msg);
 
-               connman_network_set_string(service->network,
-                               "WiFi.Passphrase", service->passphrase);
+       err = __connman_service_connect(service);
+       if (err < 0) {
+               if (err != -EINPROGRESS) {
+                       dbus_message_unref(service->pending);
+                       service->pending = NULL;
 
-               err = __connman_network_connect(service->network);
-               if (err < 0 && err != -EINPROGRESS)
                        return __connman_error_failed(msg, -err);
-
-               service->pending = dbus_message_ref(msg);
-
-               service->timeout = g_timeout_add_seconds(45,
-                                               connect_timeout, service);
-
-               return NULL;
-       } else if (service->device != NULL) {
-               if (service->favorite == FALSE)
-                       return __connman_error_no_carrier(msg);
-
-               if (__connman_device_connect(service->device) < 0)
-                       return __connman_error_failed(msg, EINVAL);
-
-               service->pending = dbus_message_ref(msg);
-               service->timeout = g_timeout_add_seconds(15,
-                                               connect_timeout, service);
+               }
 
                return NULL;
        }
 
-       return __connman_error_not_supported(msg);
+       dbus_message_unref(service->pending);
+       service->pending = NULL;
+
+       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 }
 
 static DBusMessage *disconnect_service(DBusConnection *conn,
                                        DBusMessage *msg, void *user_data)
 {
        struct connman_service *service = user_data;
+       int err;
 
        DBG("service %p", service);
 
@@ -457,28 +614,17 @@ static DBusMessage *disconnect_service(DBusConnection *conn,
                return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
        }
 
-       if (service->network != NULL) {
-               int err;
-
-               err = __connman_network_disconnect(service->network);
-               if (err < 0 && err != -EINPROGRESS)
-                       return __connman_error_failed(msg, -err);
-
-               return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-       } else if (service->device != NULL) {
-               int err;
-
-               if (service->favorite == FALSE)
-                       return __connman_error_no_carrier(msg);
+       service->ignore = TRUE;
 
-               err = __connman_device_disconnect(service->device);
-               if (err < 0)
+       err = __connman_service_disconnect(service);
+       if (err < 0) {
+               if (err != -EINPROGRESS)
                        return __connman_error_failed(msg, -err);
 
-               return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+               return NULL;
        }
 
-       return __connman_error_not_supported(msg);
+       return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 }
 
 static DBusMessage *remove_service(DBusConnection *conn,
@@ -497,6 +643,9 @@ static DBusMessage *remove_service(DBusConnection *conn,
        if (service->network != NULL)
                __connman_network_disconnect(service->network);
 
+       g_free(service->passphrase);
+       service->passphrase = NULL;
+
        connman_service_set_favorite(service, FALSE);
        __connman_storage_save_service(service);
 
@@ -531,14 +680,11 @@ static DBusMessage *move_before(DBusConnection *conn,
        src = g_hash_table_lookup(service_hash, service->identifier);
        dst = g_hash_table_lookup(service_hash, target->identifier);
 
-#if 0
        g_sequence_move(src, dst);
 
        __connman_profile_changed();
 
        return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
-#endif
-       return __connman_error_not_implemented(msg);
 }
 
 static DBusMessage *move_after(DBusConnection *conn,
@@ -571,6 +717,7 @@ static DBusMessage *move_after(DBusConnection *conn,
 static GDBusMethodTable service_methods[] = {
        { "GetProperties", "",   "a{sv}", get_properties     },
        { "SetProperty",   "sv", "",      set_property       },
+       { "ClearProperty", "s",  "",      clear_property     },
        { "Connect",       "",   "",      connect_service,
                                                G_DBUS_METHOD_FLAG_ASYNC },
        { "Disconnect",    "",   "",      disconnect_service },
@@ -661,6 +808,8 @@ static void __connman_service_initialize(struct connman_service *service)
        service->favorite = FALSE;
        service->hidden = FALSE;
 
+       service->ignore = FALSE;
+
        service->order = 0;
 }
 
@@ -839,7 +988,6 @@ int __connman_service_indicate_state(struct connman_service *service,
 
        if (state == CONNMAN_SERVICE_STATE_READY) {
                connman_service_set_favorite(service, TRUE);
-               __connman_storage_save_service(service);
 
                if (service->timeout > 0) {
                        g_source_remove(service->timeout);
@@ -910,6 +1058,71 @@ int __connman_service_indicate_default(struct connman_service *service)
        return 0;
 }
 
+int __connman_service_connect(struct connman_service *service)
+{
+       int err;
+
+       DBG("service %p", service);
+
+       if (service->state == CONNMAN_SERVICE_STATE_READY)
+               return -EISCONN;
+
+       if (service->network != NULL) {
+               unsigned int ssid_len;
+
+               if (connman_network_get_blob(service->network, "WiFi.SSID",
+                                            &ssid_len) == NULL)
+                       return -EINVAL;
+               connman_network_set_string(service->network,
+                               "WiFi.Passphrase", service->passphrase);
+
+               err = __connman_network_connect(service->network);
+       } else if (service->device != NULL) {
+               if (service->favorite == FALSE)
+                       return -ENOLINK;
+
+               err = __connman_device_connect(service->device);
+       } else
+               return -EOPNOTSUPP;
+
+       if (err < 0) {
+               if (err != -EINPROGRESS)
+                       return err;
+
+               service->timeout = g_timeout_add_seconds(45,
+                                               connect_timeout, service);
+
+               return -EINPROGRESS;
+       }
+
+       return 0;
+}
+
+int __connman_service_disconnect(struct connman_service *service)
+{
+       int err;
+
+       DBG("service %p", service);
+
+       if (service->network != NULL) {
+               err = __connman_network_disconnect(service->network);
+       } else if (service->device != NULL) {
+               if (service->favorite == FALSE)
+                       return -ENOLINK;
+               err = __connman_device_disconnect(service->device);
+       } else
+               return -EOPNOTSUPP;
+
+       if (err < 0) {
+               if (err != -EINPROGRESS)
+                       return err;
+
+               return -EINPROGRESS;
+       }
+
+       return 0;
+}
+
 /**
  * __connman_service_lookup:
  * @identifier: service identifier
@@ -1033,6 +1246,7 @@ static enum connman_service_type convert_device_type(struct connman_device *devi
        case CONNMAN_DEVICE_TYPE_WIMAX:
        case CONNMAN_DEVICE_TYPE_BLUETOOTH:
        case CONNMAN_DEVICE_TYPE_GPS:
+       case CONNMAN_DEVICE_TYPE_MBM:
        case CONNMAN_DEVICE_TYPE_HSO:
        case CONNMAN_DEVICE_TYPE_NOZOMI:
        case CONNMAN_DEVICE_TYPE_HUAWEI:
@@ -1080,6 +1294,9 @@ struct connman_service *__connman_service_create_from_device(struct connman_devi
 
        service_register(service);
 
+       if (service->favorite == TRUE)
+               __connman_service_auto_connect();
+
 done:
        g_free(name);
 
@@ -1102,7 +1319,7 @@ struct connman_service *__connman_service_lookup_from_network(struct connman_net
        if (ident == NULL)
                return NULL;
 
-       group = __connman_network_get_group(network);
+       group = connman_network_get_group(network);
        if (group == NULL)
                return NULL;
 
@@ -1118,6 +1335,20 @@ struct connman_service *__connman_service_lookup_from_network(struct connman_net
 
 unsigned int __connman_service_get_order(struct connman_service *service)
 {
+       GSequenceIter *iter;
+
+       if (service == NULL)
+               return 0;
+
+       if (service->favorite == FALSE)
+               return 0;
+
+       iter = g_hash_table_lookup(service_hash, service->identifier);
+       if (iter != NULL) {
+               if (g_sequence_iter_get_position(iter) == 0)
+                       return 1;
+       }
+
        return service->order;
 }
 
@@ -1130,8 +1361,10 @@ static enum connman_service_type convert_network_type(struct connman_network *ne
        case CONNMAN_NETWORK_TYPE_VENDOR:
        case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
        case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
-       case CONNMAN_NETWORK_TYPE_HSO:
                break;
+       case CONNMAN_NETWORK_TYPE_MBM:
+       case CONNMAN_NETWORK_TYPE_HSO:
+               return CONNMAN_SERVICE_TYPE_CELLULAR;
        case CONNMAN_NETWORK_TYPE_WIFI:
                return CONNMAN_SERVICE_TYPE_WIFI;
        case CONNMAN_NETWORK_TYPE_WIMAX:
@@ -1176,6 +1409,12 @@ static void update_from_network(struct connman_service *service,
        GSequenceIter *iter;
        const char *str;
 
+       if (service->state == CONNMAN_SERVICE_STATE_READY)
+               return;
+
+       if (is_connecting(service) == TRUE)
+               return;
+
        str = connman_network_get_string(network, "Name");
        if (str != NULL) {
                g_free(service->name);
@@ -1229,16 +1468,17 @@ struct connman_service *__connman_service_create_from_network(struct connman_net
        const char *ident, *group;
        char *name;
 
-       if (__connman_service_lookup_from_network(network) != NULL) {
-               connman_error("Service already exists");
-               return NULL;
+       service = __connman_service_lookup_from_network(network);
+       if (service != NULL) {
+               update_from_network(service, network);
+               return service;
        }
 
        ident = __connman_network_get_ident(network);
        if (ident == NULL)
                return NULL;
 
-       group = __connman_network_get_group(network);
+       group = connman_network_get_group(network);
        if (group == NULL)
                return NULL;
 
@@ -1267,38 +1507,23 @@ struct connman_service *__connman_service_create_from_network(struct connman_net
 
        service_register(service);
 
+       if (service->favorite == TRUE)
+               __connman_service_auto_connect();
+
 done:
        g_free(name);
 
        return service;
 }
 
-static const char *error2string(enum connman_service_error error)
-{
-       switch (error) {
-       case CONNMAN_SERVICE_ERROR_UNKNOWN:
-               break;
-       case CONNMAN_SERVICE_ERROR_DHCP_FAILED:
-               return "dhcp-failed";
-       }
-
-       return NULL;
-}
-
-static enum connman_service_error string2error(const char *error)
-{
-       if (g_strcmp0(error, "dhcp-failed") == 0)
-               return CONNMAN_SERVICE_ERROR_DHCP_FAILED;
-
-       return CONNMAN_SERVICE_ERROR_UNKNOWN;
-}
-
 static int service_load(struct connman_service *service)
 {
        GKeyFile *keyfile;
        gchar *pathname, *data = NULL;
        gsize length;
        gchar *str;
+       unsigned int ssid_len;
+       int err = 0;
 
        DBG("service %p", service);
 
@@ -1331,6 +1556,55 @@ static int service_load(struct connman_service *service)
        case CONNMAN_SERVICE_TYPE_ETHERNET:
                break;
        case CONNMAN_SERVICE_TYPE_WIFI:
+               if (service->name == NULL) {
+                       gchar *name;
+
+                       name = g_key_file_get_string(keyfile,
+                                       service->identifier, "Name", NULL);
+                       if (name != NULL) {
+                               g_free(service->name);
+                               service->name = name;
+                       }
+
+                       if (service->network != NULL)
+                               connman_network_set_name(service->network,
+                                                                       name);
+               }
+
+               if (service->network &&
+                               connman_network_get_blob(service->network,
+                                       "WiFi.SSID", &ssid_len) == NULL) {
+                       gchar *hex_ssid;
+
+                       hex_ssid = g_key_file_get_string(keyfile,
+                                                       service->identifier,
+                                                               "SSID", NULL);
+
+                       if (hex_ssid != NULL) {
+                               gchar *ssid;
+                               unsigned int i, j = 0, hex;
+                               size_t hex_ssid_len = strlen(hex_ssid);
+
+                               ssid = g_try_malloc0(hex_ssid_len / 2);
+                               if (ssid == NULL) {
+                                       g_free(hex_ssid);
+                                       err = -ENOMEM;
+                                       goto done;
+                               }
+
+                               for (i = 0; i < hex_ssid_len; i += 2) {
+                                       sscanf(hex_ssid + i, "%02x", &hex);
+                                       ssid[j++] = hex;
+                               }
+
+                               connman_network_set_blob(service->network,
+                                       "WiFi.SSID", ssid, hex_ssid_len / 2);
+                       }
+
+                       g_free(hex_ssid);
+               }
+               /* fall through */
+
        case CONNMAN_SERVICE_TYPE_WIMAX:
        case CONNMAN_SERVICE_TYPE_BLUETOOTH:
        case CONNMAN_SERVICE_TYPE_CELLULAR:
@@ -1363,9 +1637,10 @@ static int service_load(struct connman_service *service)
        __connman_ipconfig_load(service->ipconfig, keyfile,
                                        service->identifier, "IPv4.");
 
+done:
        g_key_file_free(keyfile);
 
-       return 0;
+       return err;
 }
 
 static int service_save(struct connman_service *service)
@@ -1374,6 +1649,7 @@ static int service_save(struct connman_service *service)
        gchar *pathname, *data = NULL;
        gsize length;
        gchar *str;
+       int err = 0;
 
        DBG("service %p", service);
 
@@ -1407,6 +1683,36 @@ update:
        case CONNMAN_SERVICE_TYPE_ETHERNET:
                break;
        case CONNMAN_SERVICE_TYPE_WIFI:
+               if (service->network) {
+                       const unsigned char *ssid;
+                       unsigned int ssid_len = 0;
+
+                       ssid = connman_network_get_blob(service->network,
+                                                       "WiFi.SSID", &ssid_len);
+
+                       if (ssid != NULL && ssid_len > 0 && ssid[0] != '\0') {
+                               char *identifier = service->identifier;
+                               GString *str;
+                               unsigned int i;
+
+                               str = g_string_sized_new(ssid_len * 2);
+                               if (str == NULL) {
+                                       err = -ENOMEM;
+                                       goto done;
+                               }
+
+                               for (i = 0; i < ssid_len; i++)
+                                       g_string_append_printf(str,
+                                                       "%02x", ssid[i]);
+
+                               g_key_file_set_string(keyfile, identifier,
+                                                       "SSID", str->str);
+
+                               g_string_free(str, TRUE);
+                       }
+               }
+               /* fall through */
+
        case CONNMAN_SERVICE_TYPE_WIMAX:
        case CONNMAN_SERVICE_TYPE_BLUETOOTH:
        case CONNMAN_SERVICE_TYPE_CELLULAR:
@@ -1436,6 +1742,9 @@ update:
        if (service->passphrase != NULL)
                g_key_file_set_string(keyfile, service->identifier,
                                        "Passphrase", service->passphrase);
+       else
+               g_key_file_remove_key(keyfile, service->identifier,
+                                                       "Passphrase", NULL);
 
        __connman_ipconfig_save(service->ipconfig, keyfile,
                                        service->identifier, "IPv4.");
@@ -1452,7 +1761,7 @@ done:
 
        g_free(pathname);
 
-       return 0;
+       return err;
 }
 
 static struct connman_storage service_storage = {