| /* |
| * |
| * Connection Manager |
| * |
| * Copyright (C) 2007-2012 Intel Corporation. All rights reserved. |
| * Copyright (C) 2011 BWM CarIT GmbH. 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 <gdbus.h> |
| |
| #include <connman/session.h> |
| |
| #include "connman.h" |
| |
| static DBusConnection *connection; |
| static GHashTable *session_hash; |
| static connman_bool_t sessionmode; |
| static struct connman_session *ecall_session; |
| static GSList *policy_list; |
| |
| enum connman_session_trigger { |
| CONNMAN_SESSION_TRIGGER_UNKNOWN = 0, |
| CONNMAN_SESSION_TRIGGER_SETTING = 1, |
| CONNMAN_SESSION_TRIGGER_CONNECT = 2, |
| CONNMAN_SESSION_TRIGGER_DISCONNECT = 3, |
| CONNMAN_SESSION_TRIGGER_SERVICE = 4, |
| CONNMAN_SESSION_TRIGGER_ECALL = 5, |
| }; |
| |
| enum connman_session_reason { |
| CONNMAN_SESSION_REASON_UNKNOWN = 0, |
| CONNMAN_SESSION_REASON_CONNECT = 1, |
| CONNMAN_SESSION_REASON_FREE_RIDE = 2, |
| }; |
| |
| enum connman_session_state { |
| CONNMAN_SESSION_STATE_DISCONNECTED = 0, |
| CONNMAN_SESSION_STATE_CONNECTED = 1, |
| CONNMAN_SESSION_STATE_ONLINE = 2, |
| }; |
| |
| struct service_entry { |
| /* track why this service was selected */ |
| enum connman_session_reason reason; |
| enum connman_service_state state; |
| const char *name; |
| struct connman_service *service; |
| char *ifname; |
| const char *bearer; |
| GSList *pending_timeouts; |
| }; |
| |
| struct session_info { |
| struct connman_session_config config; |
| enum connman_session_state state; |
| struct service_entry *entry; |
| enum connman_session_reason reason; |
| }; |
| |
| struct connman_session { |
| char *owner; |
| char *session_path; |
| char *notify_path; |
| guint notify_watch; |
| |
| struct connman_session_policy *policy; |
| |
| connman_bool_t append_all; |
| struct session_info *info; |
| struct session_info *info_last; |
| struct connman_session_config *policy_config; |
| GSList *user_allowed_bearers; |
| |
| connman_bool_t ecall; |
| |
| GSequence *service_list; |
| GHashTable *service_hash; |
| }; |
| |
| static const char *trigger2string(enum connman_session_trigger trigger) |
| { |
| switch (trigger) { |
| case CONNMAN_SESSION_TRIGGER_UNKNOWN: |
| break; |
| case CONNMAN_SESSION_TRIGGER_SETTING: |
| return "setting"; |
| case CONNMAN_SESSION_TRIGGER_CONNECT: |
| return "connect"; |
| case CONNMAN_SESSION_TRIGGER_DISCONNECT: |
| return "disconnect"; |
| case CONNMAN_SESSION_TRIGGER_SERVICE: |
| return "service"; |
| case CONNMAN_SESSION_TRIGGER_ECALL: |
| return "ecall"; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *reason2string(enum connman_session_reason reason) |
| { |
| switch (reason) { |
| case CONNMAN_SESSION_REASON_UNKNOWN: |
| return "unknown"; |
| case CONNMAN_SESSION_REASON_CONNECT: |
| return "connect"; |
| case CONNMAN_SESSION_REASON_FREE_RIDE: |
| return "free-ride"; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *state2string(enum connman_session_state state) |
| { |
| switch (state) { |
| case CONNMAN_SESSION_STATE_DISCONNECTED: |
| return "disconnected"; |
| case CONNMAN_SESSION_STATE_CONNECTED: |
| return "connected"; |
| case CONNMAN_SESSION_STATE_ONLINE: |
| return "online"; |
| } |
| |
| return NULL; |
| } |
| |
| static const char *type2string(enum connman_session_type type) |
| { |
| switch (type) { |
| case CONNMAN_SESSION_TYPE_UNKNOWN: |
| return ""; |
| case CONNMAN_SESSION_TYPE_ANY: |
| return "any"; |
| case CONNMAN_SESSION_TYPE_LOCAL: |
| return "local"; |
| case CONNMAN_SESSION_TYPE_INTERNET: |
| return "internet"; |
| } |
| |
| return NULL; |
| } |
| |
| enum connman_session_roaming_policy connman_session_parse_roaming_policy(const char *policy) |
| { |
| if (g_strcmp0(policy, "default") == 0) |
| return CONNMAN_SESSION_ROAMING_POLICY_DEFAULT; |
| else if (g_strcmp0(policy, "always") == 0) |
| return CONNMAN_SESSION_ROAMING_POLICY_ALWAYS; |
| else if (g_strcmp0(policy, "forbidden") == 0) |
| return CONNMAN_SESSION_ROAMING_POLICY_FORBIDDEN; |
| else if (g_strcmp0(policy, "national") == 0) |
| return CONNMAN_SESSION_ROAMING_POLICY_NATIONAL; |
| else if (g_strcmp0(policy, "international") == 0) |
| return CONNMAN_SESSION_ROAMING_POLICY_INTERNATIONAL; |
| else |
| return CONNMAN_SESSION_ROAMING_POLICY_UNKNOWN; |
| } |
| |
| enum connman_session_type connman_session_parse_connection_type(const char *type) |
| { |
| if (g_strcmp0(type, "any") == 0) |
| return CONNMAN_SESSION_TYPE_ANY; |
| if (g_strcmp0(type, "local") == 0) |
| return CONNMAN_SESSION_TYPE_LOCAL; |
| else if (g_strcmp0(type, "internet") == 0) |
| return CONNMAN_SESSION_TYPE_INTERNET; |
| |
| return CONNMAN_SESSION_TYPE_UNKNOWN; |
| } |
| |
| static int bearer2service(const char *bearer, enum connman_service_type *type) |
| { |
| if (g_strcmp0(bearer, "ethernet") == 0) |
| *type = CONNMAN_SERVICE_TYPE_ETHERNET; |
| else if (g_strcmp0(bearer, "wifi") == 0) |
| *type = CONNMAN_SERVICE_TYPE_WIFI; |
| else if (g_strcmp0(bearer, "bluetooth") == 0) |
| *type = CONNMAN_SERVICE_TYPE_BLUETOOTH; |
| else if (g_strcmp0(bearer, "cellular") == 0) |
| *type = CONNMAN_SERVICE_TYPE_CELLULAR; |
| else if (g_strcmp0(bearer, "vpn") == 0) |
| *type = CONNMAN_SERVICE_TYPE_VPN; |
| else if (g_strcmp0(bearer, "lowpan") == 0) |
| *type = CONNMAN_SERVICE_TYPE_LOWPAN; |
| else if (g_strcmp0(bearer, "*") == 0) |
| *type = CONNMAN_SERVICE_TYPE_UNKNOWN; |
| else |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static char *service2bearer(enum connman_service_type type) |
| { |
| switch (type) { |
| case CONNMAN_SERVICE_TYPE_ETHERNET: |
| return "ethernet"; |
| case CONNMAN_SERVICE_TYPE_WIFI: |
| return "wifi"; |
| case CONNMAN_SERVICE_TYPE_BLUETOOTH: |
| return "bluetooth"; |
| case CONNMAN_SERVICE_TYPE_CELLULAR: |
| return "cellular"; |
| case CONNMAN_SERVICE_TYPE_VPN: |
| return "vpn"; |
| case CONNMAN_SERVICE_TYPE_LOWPAN: |
| return "lowpan"; |
| case CONNMAN_SERVICE_TYPE_UNKNOWN: |
| case CONNMAN_SERVICE_TYPE_SYSTEM: |
| case CONNMAN_SERVICE_TYPE_GPS: |
| case CONNMAN_SERVICE_TYPE_GADGET: |
| return ""; |
| } |
| |
| return ""; |
| } |
| |
| static void destroy_policy_config(struct connman_session *session) |
| { |
| if (session->policy == NULL) { |
| g_free(session->policy_config); |
| return; |
| } |
| |
| (*session->policy->destroy)(session); |
| } |
| |
| static void free_session(struct connman_session *session) |
| { |
| if (session == NULL) |
| return; |
| |
| if (session->notify_watch > 0) |
| g_dbus_remove_watch(connection, session->notify_watch); |
| |
| destroy_policy_config(session); |
| g_slist_free(session->info->config.allowed_bearers); |
| g_free(session->owner); |
| g_free(session->session_path); |
| g_free(session->notify_path); |
| g_free(session->info); |
| g_free(session->info_last); |
| |
| g_free(session); |
| } |
| |
| static void cleanup_session(gpointer user_data) |
| { |
| struct connman_session *session = user_data; |
| struct session_info *info = session->info; |
| |
| DBG("remove %s", session->session_path); |
| |
| g_slist_free(session->user_allowed_bearers); |
| g_hash_table_destroy(session->service_hash); |
| g_sequence_free(session->service_list); |
| |
| if (info->entry != NULL && |
| info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) { |
| __connman_service_disconnect(info->entry->service); |
| } |
| |
| free_session(session); |
| } |
| |
| static int assign_policy_plugin(struct connman_session *session) |
| { |
| if (session->policy != NULL) |
| return -EALREADY; |
| |
| if (policy_list == NULL) |
| return 0; |
| |
| session->policy = policy_list->data; |
| |
| return 0; |
| } |
| |
| struct user_config { |
| DBusMessage *pending; |
| |
| enum connman_session_type type; |
| GSList *allowed_bearers; |
| }; |
| |
| static void cleanup_user_config(struct user_config *user_config) |
| { |
| if (user_config == NULL) |
| return; |
| |
| if (user_config->pending != NULL) |
| dbus_message_unref(user_config->pending); |
| |
| g_slist_free(user_config->allowed_bearers); |
| g_free(user_config); |
| } |
| |
| static int create_policy_config(struct connman_session *session, |
| connman_session_config_cb callback, |
| struct user_config *user_config) |
| { |
| struct connman_session_config *config; |
| |
| if (session->policy == NULL) { |
| config = connman_session_create_default_config(); |
| if (config == NULL) { |
| free_session(session); |
| cleanup_user_config(user_config); |
| return -ENOMEM; |
| } |
| |
| return callback(session, config, user_config, 0); |
| } |
| |
| return (*session->policy->create)(session, callback, user_config); |
| } |
| |
| static void probe_policy(struct connman_session_policy *policy) |
| { |
| |
| GHashTableIter iter; |
| gpointer key, value; |
| struct connman_session *session; |
| |
| DBG("policy %p name %s", policy, policy->name); |
| |
| g_hash_table_iter_init(&iter, session_hash); |
| |
| while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) { |
| session = value; |
| |
| if (session->policy != NULL) |
| continue; |
| |
| assign_policy_plugin(session); |
| } |
| } |
| |
| static void remove_policy(struct connman_session_policy *policy) |
| { |
| GHashTableIter iter; |
| gpointer key, value; |
| struct connman_session *session; |
| |
| DBG("policy %p name %s", policy, policy->name); |
| |
| g_hash_table_iter_init(&iter, session_hash); |
| |
| while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) { |
| session = value; |
| |
| if (session->policy != policy) |
| continue; |
| |
| session->policy = NULL; |
| assign_policy_plugin(session); |
| } |
| } |
| |
| static gint compare_priority(gconstpointer a, gconstpointer b) |
| { |
| const struct connman_session_policy *policy1 = a; |
| const struct connman_session_policy *policy2 = b; |
| |
| return policy2->priority - policy1->priority; |
| } |
| |
| |
| int connman_session_policy_register(struct connman_session_policy *policy) |
| { |
| DBG("name %s", policy->name); |
| |
| if (policy->create == NULL || policy->destroy == NULL) |
| return -EINVAL; |
| |
| policy_list = g_slist_insert_sorted(policy_list, policy, |
| compare_priority); |
| |
| probe_policy(policy); |
| |
| return 0; |
| } |
| |
| void connman_session_policy_unregister(struct connman_session_policy *policy) |
| { |
| DBG("name %s", policy->name); |
| |
| policy_list = g_slist_remove(policy_list, policy); |
| |
| remove_policy(policy); |
| } |
| |
| int connman_session_set_default_config(struct connman_session_config *config) |
| { |
| config->priority = FALSE; |
| config->roaming_policy = CONNMAN_SESSION_ROAMING_POLICY_DEFAULT; |
| config->type = CONNMAN_SESSION_TYPE_ANY; |
| config->ecall = FALSE; |
| |
| g_slist_free(config->allowed_bearers); |
| config->allowed_bearers = g_slist_prepend(NULL, |
| GINT_TO_POINTER(CONNMAN_SERVICE_TYPE_UNKNOWN)); |
| if (config->allowed_bearers == NULL) |
| return -ENOMEM; |
| |
| return 0; |
| } |
| |
| struct connman_session_config *connman_session_create_default_config(void) |
| { |
| struct connman_session_config *config; |
| |
| config = g_try_new0(struct connman_session_config, 1); |
| if (config == NULL) |
| return NULL; |
| |
| if (connman_session_set_default_config(config) < 0) { |
| g_free(config); |
| return NULL; |
| } |
| |
| return config; |
| } |
| |
| static enum connman_session_type apply_policy_on_type( |
| enum connman_session_type policy, |
| enum connman_session_type type) |
| { |
| if (type == CONNMAN_SESSION_TYPE_UNKNOWN) |
| return CONNMAN_SESSION_TYPE_UNKNOWN; |
| |
| if (policy == CONNMAN_SESSION_TYPE_ANY) |
| return type; |
| |
| if (policy == CONNMAN_SESSION_TYPE_LOCAL) |
| return CONNMAN_SESSION_TYPE_LOCAL; |
| |
| return CONNMAN_SESSION_TYPE_INTERNET; |
| } |
| |
| int connman_session_parse_bearers(const char *token, GSList **list) |
| { |
| enum connman_service_type bearer; |
| int err; |
| |
| if (g_strcmp0(token, "") == 0) |
| return 0; |
| |
| err = bearer2service(token, &bearer); |
| if (err < 0) |
| return err; |
| |
| *list = g_slist_append(*list, GINT_TO_POINTER(bearer)); |
| |
| return 0; |
| } |
| |
| static int parse_bearers(DBusMessageIter *iter, GSList **list) |
| { |
| DBusMessageIter array; |
| int type, err; |
| |
| dbus_message_iter_recurse(iter, &array); |
| |
| *list = NULL; |
| |
| while ((type = dbus_message_iter_get_arg_type(&array)) != |
| DBUS_TYPE_INVALID) { |
| char *bearer_name = NULL; |
| |
| if (type != DBUS_TYPE_STRING) { |
| g_slist_free(*list); |
| *list = NULL; |
| return -EINVAL; |
| } |
| |
| dbus_message_iter_get_basic(&array, &bearer_name); |
| |
| err = connman_session_parse_bearers(bearer_name, list); |
| if (err < 0) { |
| g_slist_free(*list); |
| *list = NULL; |
| return err; |
| } |
| |
| dbus_message_iter_next(&array); |
| } |
| |
| return 0; |
| } |
| |
| static int filter_bearer(GSList *policy_bearers, |
| enum connman_service_type bearer, |
| GSList **list) |
| { |
| enum connman_service_type policy; |
| GSList *it; |
| |
| if (policy_bearers == NULL) |
| goto clone; |
| |
| for (it = policy_bearers; it != NULL; it = it->next) { |
| policy = GPOINTER_TO_INT(it->data); |
| |
| if (bearer == CONNMAN_SERVICE_TYPE_UNKNOWN) { |
| bearer = policy; |
| goto clone; |
| } |
| |
| if (policy != CONNMAN_SERVICE_TYPE_UNKNOWN && policy != bearer) |
| continue; |
| |
| goto clone; |
| } |
| |
| *list = NULL; |
| |
| return 0; |
| |
| clone: |
| *list = g_slist_append(*list, GINT_TO_POINTER(bearer)); |
| |
| return 0; |
| } |
| |
| static int apply_policy_on_bearers(GSList *policy_bearers, GSList *bearers, |
| GSList **list) |
| { |
| enum connman_service_type bearer; |
| GSList *it; |
| int err; |
| |
| *list = NULL; |
| |
| for (it = bearers; it != NULL; it = it->next) { |
| bearer = GPOINTER_TO_INT(it->data); |
| |
| err = filter_bearer(policy_bearers, bearer, list); |
| if (err < 0) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| const char *connman_session_get_owner(struct connman_session *session) |
| { |
| return session->owner; |
| } |
| |
| static void append_allowed_bearers(DBusMessageIter *iter, void *user_data) |
| { |
| struct session_info *info = user_data; |
| GSList *list; |
| |
| for (list = info->config.allowed_bearers; |
| list != NULL; list = list->next) { |
| enum connman_service_type bearer = GPOINTER_TO_INT(list->data); |
| const char *name = __connman_service_type2string(bearer); |
| |
| if (name == NULL) |
| name = "*"; |
| |
| dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, |
| &name); |
| } |
| } |
| |
| static void append_ipconfig_ipv4(DBusMessageIter *iter, void *user_data) |
| { |
| struct connman_service *service = user_data; |
| struct connman_ipconfig *ipconfig_ipv4; |
| |
| if (service == NULL) |
| return; |
| |
| if (__connman_service_is_connected_state(service, |
| CONNMAN_IPCONFIG_TYPE_IPV4) == FALSE) { |
| return; |
| } |
| |
| ipconfig_ipv4 = __connman_service_get_ip4config(service); |
| if (ipconfig_ipv4 == NULL) |
| return; |
| |
| __connman_ipconfig_append_ipv4(ipconfig_ipv4, iter); |
| } |
| |
| static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data) |
| { |
| struct connman_service *service = user_data; |
| struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6; |
| |
| if (service == NULL) |
| return; |
| |
| if (__connman_service_is_connected_state(service, |
| CONNMAN_IPCONFIG_TYPE_IPV6) == FALSE) { |
| return; |
| } |
| |
| ipconfig_ipv4 = __connman_service_get_ip4config(service); |
| ipconfig_ipv6 = __connman_service_get_ip6config(service); |
| if (ipconfig_ipv6 == NULL) |
| return; |
| |
| __connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4); |
| } |
| |
| static void append_notify(DBusMessageIter *dict, |
| struct connman_session *session) |
| { |
| struct session_info *info = session->info; |
| struct session_info *info_last = session->info_last; |
| struct connman_service *service; |
| const char *name, *ifname, *bearer; |
| |
| if (session->append_all == TRUE || |
| info->state != info_last->state) { |
| const char *state = state2string(info->state); |
| |
| connman_dbus_dict_append_basic(dict, "State", |
| DBUS_TYPE_STRING, |
| &state); |
| info_last->state = info->state; |
| } |
| |
| if (session->append_all == TRUE || |
| info->entry != info_last->entry) { |
| if (info->entry == NULL) { |
| name = ""; |
| ifname = ""; |
| service = NULL; |
| bearer = ""; |
| } else { |
| name = info->entry->name; |
| ifname = info->entry->ifname; |
| service = info->entry->service; |
| bearer = info->entry->bearer; |
| } |
| |
| connman_dbus_dict_append_basic(dict, "Name", |
| DBUS_TYPE_STRING, |
| &name); |
| |
| connman_dbus_dict_append_dict(dict, "IPv4", |
| append_ipconfig_ipv4, |
| service); |
| |
| connman_dbus_dict_append_dict(dict, "IPv6", |
| append_ipconfig_ipv6, |
| service); |
| |
| connman_dbus_dict_append_basic(dict, "Interface", |
| DBUS_TYPE_STRING, |
| &ifname); |
| |
| connman_dbus_dict_append_basic(dict, "Bearer", |
| DBUS_TYPE_STRING, |
| &bearer); |
| |
| info_last->entry = info->entry; |
| } |
| |
| if (session->append_all == TRUE || |
| info->config.type != info_last->config.type) { |
| const char *type = type2string(info->config.type); |
| |
| connman_dbus_dict_append_basic(dict, "ConnectionType", |
| DBUS_TYPE_STRING, |
| &type); |
| info_last->config.type = info->config.type; |
| } |
| |
| if (session->append_all == TRUE || |
| info->config.allowed_bearers != info_last->config.allowed_bearers) { |
| connman_dbus_dict_append_array(dict, "AllowedBearers", |
| DBUS_TYPE_STRING, |
| append_allowed_bearers, |
| info); |
| info_last->config.allowed_bearers = info->config.allowed_bearers; |
| } |
| |
| session->append_all = FALSE; |
| } |
| |
| static connman_bool_t is_type_matching_state(enum connman_session_state *state, |
| enum connman_session_type type) |
| { |
| switch (type) { |
| case CONNMAN_SESSION_TYPE_UNKNOWN: |
| return FALSE; |
| case CONNMAN_SESSION_TYPE_ANY: |
| return TRUE; |
| case CONNMAN_SESSION_TYPE_LOCAL: |
| if (*state >= CONNMAN_SESSION_STATE_CONNECTED) { |
| *state = CONNMAN_SESSION_STATE_CONNECTED; |
| return TRUE; |
| } |
| |
| break; |
| case CONNMAN_SESSION_TYPE_INTERNET: |
| if (*state == CONNMAN_SESSION_STATE_ONLINE) |
| return TRUE; |
| break; |
| } |
| |
| return FALSE; |
| } |
| |
| static connman_bool_t compute_notifiable_changes(struct connman_session *session) |
| { |
| struct session_info *info_last = session->info_last; |
| struct session_info *info = session->info; |
| |
| if (session->append_all == TRUE) |
| return TRUE; |
| |
| if (info->state != info_last->state) |
| return TRUE; |
| |
| if (info->entry != info_last->entry && |
| info->state >= CONNMAN_SESSION_STATE_CONNECTED) |
| return TRUE; |
| |
| if (info->config.allowed_bearers != info_last->config.allowed_bearers || |
| info->config.type != info_last->config.type) |
| return TRUE; |
| |
| return FALSE; |
| } |
| |
| static gboolean session_notify(gpointer user_data) |
| { |
| struct connman_session *session = user_data; |
| DBusMessage *msg; |
| DBusMessageIter array, dict; |
| |
| if (compute_notifiable_changes(session) == FALSE) |
| return FALSE; |
| |
| DBG("session %p owner %s notify_path %s", session, |
| session->owner, session->notify_path); |
| |
| msg = dbus_message_new_method_call(session->owner, session->notify_path, |
| CONNMAN_NOTIFICATION_INTERFACE, |
| "Update"); |
| if (msg == NULL) |
| return FALSE; |
| |
| dbus_message_iter_init_append(msg, &array); |
| connman_dbus_dict_open(&array, &dict); |
| |
| append_notify(&dict, session); |
| |
| connman_dbus_dict_close(&array, &dict); |
| |
| g_dbus_send_message(connection, msg); |
| |
| return FALSE; |
| } |
| |
| static void ipconfig_ipv4_changed(struct connman_session *session) |
| { |
| struct session_info *info = session->info; |
| |
| connman_dbus_setting_changed_dict(session->owner, session->notify_path, |
| "IPv4", append_ipconfig_ipv4, |
| info->entry->service); |
| } |
| |
| static void ipconfig_ipv6_changed(struct connman_session *session) |
| { |
| struct session_info *info = session->info; |
| |
| connman_dbus_setting_changed_dict(session->owner, session->notify_path, |
| "IPv6", append_ipconfig_ipv6, |
| info->entry->service); |
| } |
| |
| static connman_bool_t service_type_match(struct connman_session *session, |
| struct connman_service *service) |
| { |
| struct session_info *info = session->info; |
| GSList *list; |
| |
| for (list = info->config.allowed_bearers; |
| list != NULL; list = list->next) { |
| enum connman_service_type bearer = GPOINTER_TO_INT(list->data); |
| enum connman_service_type service_type; |
| |
| if (bearer == CONNMAN_SERVICE_TYPE_UNKNOWN) |
| return TRUE; |
| |
| service_type = connman_service_get_type(service); |
| if (bearer == service_type) |
| return TRUE; |
| } |
| |
| return FALSE; |
| } |
| |
| static connman_bool_t service_match(struct connman_session *session, |
| struct connman_service *service) |
| { |
| if (service_type_match(session, service) == FALSE) |
| return FALSE; |
| |
| return TRUE; |
| } |
| |
| static int service_type_weight(enum connman_service_type type) |
| { |
| /* |
| * The session doesn't care which service |
| * to use. Nevertheless we have to sort them |
| * according their type. The ordering is |
| * |
| * 1. Ethernet |
| * 2. Bluetooth |
| * 3. WiFi |
| * 4. LoWPAN |
| * 5. Cellular |
| */ |
| |
| switch (type) { |
| case CONNMAN_SERVICE_TYPE_ETHERNET: |
| return 5; |
| case CONNMAN_SERVICE_TYPE_BLUETOOTH: |
| return 4; |
| case CONNMAN_SERVICE_TYPE_WIFI: |
| return 3; |
| case CONNMAN_SERVICE_TYPE_LOWPAN: |
| return 2; |
| case CONNMAN_SERVICE_TYPE_CELLULAR: |
| return 1; |
| case CONNMAN_SERVICE_TYPE_UNKNOWN: |
| case CONNMAN_SERVICE_TYPE_SYSTEM: |
| case CONNMAN_SERVICE_TYPE_GPS: |
| case CONNMAN_SERVICE_TYPE_VPN: |
| case CONNMAN_SERVICE_TYPE_GADGET: |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static gint sort_allowed_bearers(struct connman_service *service_a, |
| struct connman_service *service_b, |
| struct connman_session *session) |
| { |
| struct session_info *info = session->info; |
| GSList *list; |
| enum connman_service_type type_a, type_b; |
| int weight_a, weight_b; |
| |
| type_a = connman_service_get_type(service_a); |
| type_b = connman_service_get_type(service_b); |
| |
| for (list = info->config.allowed_bearers; |
| list != NULL; list = list->next) { |
| enum connman_service_type bearer = GPOINTER_TO_INT(list->data); |
| |
| if (bearer == CONNMAN_SERVICE_TYPE_UNKNOWN) { |
| if (type_a != type_b) { |
| weight_a = service_type_weight(type_a); |
| weight_b = service_type_weight(type_b); |
| |
| if (weight_a > weight_b) |
| return -1; |
| |
| if (weight_a < weight_b) |
| return 1; |
| |
| return 0; |
| } |
| } |
| |
| if (type_a == bearer && type_b == bearer) |
| return 0; |
| |
| if (type_a == bearer && type_b != bearer) |
| return -1; |
| |
| if (type_a != bearer && type_b == bearer) |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static gint sort_services(gconstpointer a, gconstpointer b, gpointer user_data) |
| { |
| struct service_entry *entry_a = (void *)a; |
| struct service_entry *entry_b = (void *)b; |
| struct connman_session *session = user_data; |
| |
| return sort_allowed_bearers(entry_a->service, entry_b->service, |
| session); |
| } |
| |
| static enum connman_session_state service_to_session_state(enum connman_service_state state) |
| { |
| switch (state) { |
| case CONNMAN_SERVICE_STATE_UNKNOWN: |
| case CONNMAN_SERVICE_STATE_IDLE: |
| case CONNMAN_SERVICE_STATE_ASSOCIATION: |
| case CONNMAN_SERVICE_STATE_CONFIGURATION: |
| case CONNMAN_SERVICE_STATE_DISCONNECT: |
| case CONNMAN_SERVICE_STATE_FAILURE: |
| break; |
| case CONNMAN_SERVICE_STATE_READY: |
| return CONNMAN_SESSION_STATE_CONNECTED; |
| case CONNMAN_SERVICE_STATE_ONLINE: |
| return CONNMAN_SESSION_STATE_ONLINE; |
| } |
| |
| return CONNMAN_SESSION_STATE_DISCONNECTED; |
| } |
| |
| static connman_bool_t is_connected(enum connman_service_state state) |
| { |
| switch (state) { |
| case CONNMAN_SERVICE_STATE_UNKNOWN: |
| case CONNMAN_SERVICE_STATE_IDLE: |
| case CONNMAN_SERVICE_STATE_ASSOCIATION: |
| case CONNMAN_SERVICE_STATE_CONFIGURATION: |
| case CONNMAN_SERVICE_STATE_DISCONNECT: |
| case CONNMAN_SERVICE_STATE_FAILURE: |
| break; |
| case CONNMAN_SERVICE_STATE_READY: |
| case CONNMAN_SERVICE_STATE_ONLINE: |
| return TRUE; |
| } |
| |
| return FALSE; |
| } |
| |
| static connman_bool_t is_connecting(enum connman_service_state state) |
| { |
| switch (state) { |
| case CONNMAN_SERVICE_STATE_UNKNOWN: |
| case CONNMAN_SERVICE_STATE_IDLE: |
| break; |
| case CONNMAN_SERVICE_STATE_ASSOCIATION: |
| case CONNMAN_SERVICE_STATE_CONFIGURATION: |
| return TRUE; |
| case CONNMAN_SERVICE_STATE_DISCONNECT: |
| case CONNMAN_SERVICE_STATE_FAILURE: |
| case CONNMAN_SERVICE_STATE_READY: |
| case CONNMAN_SERVICE_STATE_ONLINE: |
| break; |
| } |
| |
| return FALSE; |
| } |
| |
| static connman_bool_t explicit_connect(enum connman_session_reason reason) |
| { |
| switch (reason) { |
| case CONNMAN_SESSION_REASON_UNKNOWN: |
| case CONNMAN_SESSION_REASON_FREE_RIDE: |
| break; |
| case CONNMAN_SESSION_REASON_CONNECT: |
| return TRUE; |
| } |
| |
| return FALSE; |
| } |
| |
| static connman_bool_t explicit_disconnect(struct session_info *info) |
| { |
| if (info->entry == NULL) |
| return FALSE; |
| |
| DBG("reason %s service %p state %d", |
| reason2string(info->entry->reason), |
| info->entry->service, info->entry->state); |
| |
| if (info->entry->reason == CONNMAN_SESSION_REASON_UNKNOWN) |
| return FALSE; |
| |
| if (explicit_connect(info->entry->reason) == FALSE) |
| return FALSE; |
| |
| if (__connman_service_session_dec(info->entry->service) == FALSE) |
| return FALSE; |
| |
| return TRUE; |
| } |
| |
| struct pending_data { |
| unsigned int timeout; |
| struct service_entry *entry; |
| gboolean (*cb)(gpointer); |
| }; |
| |
| static void pending_timeout_free(gpointer data, gpointer user_data) |
| { |
| struct pending_data *pending = data; |
| |
| DBG("pending %p timeout %d", pending, pending->timeout); |
| g_source_remove(pending->timeout); |
| g_free(pending); |
| } |
| |
| static void pending_timeout_remove_all(struct service_entry *entry) |
| { |
| DBG(""); |
| |
| g_slist_foreach(entry->pending_timeouts, pending_timeout_free, NULL); |
| g_slist_free(entry->pending_timeouts); |
| entry->pending_timeouts = NULL; |
| } |
| |
| static gboolean pending_timeout_cb(gpointer data) |
| { |
| struct pending_data *pending = data; |
| struct service_entry *entry = pending->entry; |
| gboolean ret; |
| |
| DBG("pending %p timeout %d", pending, pending->timeout); |
| |
| ret = pending->cb(pending->entry); |
| if (ret == FALSE) { |
| entry->pending_timeouts = |
| g_slist_remove(entry->pending_timeouts, |
| pending); |
| g_free(pending); |
| } |
| return ret; |
| } |
| |
| static connman_bool_t pending_timeout_add(unsigned int seconds, |
| gboolean (*cb)(gpointer), |
| struct service_entry *entry) |
| { |
| struct pending_data *pending = g_try_new0(struct pending_data, 1); |
| |
| if (pending == NULL || cb == NULL || entry == NULL) { |
| g_free(pending); |
| return FALSE; |
| } |
| |
| pending->cb = cb; |
| pending->entry = entry; |
| pending->timeout = g_timeout_add_seconds(seconds, pending_timeout_cb, |
| pending); |
| entry->pending_timeouts = g_slist_prepend(entry->pending_timeouts, |
| pending); |
| |
| DBG("pending %p entry %p timeout id %d", pending, entry, |
| pending->timeout); |
| |
| return TRUE; |
| } |
| |
| static gboolean call_disconnect(gpointer user_data) |
| { |
| struct service_entry *entry = user_data; |
| struct connman_service *service = entry->service; |
| |
| /* |
| * TODO: We should mark this entry as pending work. In case |
| * disconnect fails we just unassign this session from the |
| * service and can't do anything later on it |
| */ |
| DBG("disconnect service %p", service); |
| __connman_service_disconnect(service); |
| |
| return FALSE; |
| } |
| |
| static gboolean call_connect(gpointer user_data) |
| { |
| struct service_entry *entry = user_data; |
| struct connman_service *service = entry->service; |
| |
| DBG("connect service %p", service); |
| __connman_service_connect(service); |
| |
| return FALSE; |
| } |
| |
| static void deselect_service(struct session_info *info) |
| { |
| struct service_entry *entry; |
| connman_bool_t disconnect, connected; |
| |
| DBG(""); |
| |
| if (info->entry == NULL) |
| return; |
| |
| disconnect = explicit_disconnect(info); |
| |
| connected = is_connecting(info->entry->state) == TRUE || |
| is_connected(info->entry->state) == TRUE; |
| |
| info->state = CONNMAN_SESSION_STATE_DISCONNECTED; |
| info->entry->reason = CONNMAN_SESSION_REASON_UNKNOWN; |
| |
| entry = info->entry; |
| info->entry = NULL; |
| |
| DBG("disconnect %d connected %d", disconnect, connected); |
| |
| if (disconnect == TRUE && connected == TRUE) |
| pending_timeout_add(0, call_disconnect, entry); |
| } |
| |
| static void deselect_and_disconnect(struct connman_session *session) |
| { |
| struct session_info *info = session->info; |
| |
| deselect_service(info); |
| |
| info->reason = CONNMAN_SESSION_REASON_FREE_RIDE; |
| } |
| |
| static void select_connected_service(struct session_info *info, |
| struct service_entry *entry) |
| { |
| enum connman_session_state state; |
| |
| state = service_to_session_state(entry->state); |
| if (is_type_matching_state(&state, info->config.type) == FALSE) |
| return; |
| |
| info->state = state; |
| |
| info->entry = entry; |
| info->entry->reason = info->reason; |
| |
| if (explicit_connect(info->reason) == FALSE) |
| return; |
| |
| __connman_service_session_inc(info->entry->service); |
| } |
| |
| static void select_offline_service(struct session_info *info, |
| struct service_entry *entry) |
| { |
| if (explicit_connect(info->reason) == FALSE) |
| return; |
| |
| info->state = service_to_session_state(entry->state); |
| |
| info->entry = entry; |
| info->entry->reason = info->reason; |
| |
| __connman_service_session_inc(info->entry->service); |
| pending_timeout_add(0, call_connect, entry); |
| } |
| |
| static void select_service(struct session_info *info, |
| struct service_entry *entry) |
| { |
| DBG("service %p", entry->service); |
| |
| if (is_connected(entry->state) == TRUE) |
| select_connected_service(info, entry); |
| else |
| select_offline_service(info, entry); |
| } |
| |
| static void select_and_connect(struct connman_session *session, |
| enum connman_session_reason reason) |
| { |
| struct session_info *info = session->info; |
| struct service_entry *entry = NULL; |
| GSequenceIter *iter; |
| |
| DBG("session %p reason %s", session, reason2string(reason)); |
| |
| info->reason = reason; |
| |
| iter = g_sequence_get_begin_iter(session->service_list); |
| |
| while (g_sequence_iter_is_end(iter) == FALSE) { |
| entry = g_sequence_get(iter); |
| |
| switch (entry->state) { |
| case CONNMAN_SERVICE_STATE_ASSOCIATION: |
| case CONNMAN_SERVICE_STATE_CONFIGURATION: |
| case CONNMAN_SERVICE_STATE_READY: |
| case CONNMAN_SERVICE_STATE_ONLINE: |
| case CONNMAN_SERVICE_STATE_IDLE: |
| case CONNMAN_SERVICE_STATE_DISCONNECT: |
| select_service(info, entry); |
| return; |
| case CONNMAN_SERVICE_STATE_UNKNOWN: |
| case CONNMAN_SERVICE_STATE_FAILURE: |
| break; |
| } |
| |
| iter = g_sequence_iter_next(iter); |
| } |
| } |
| |
| static struct service_entry *create_service_entry(struct connman_service *service, |
| const char *name, |
| enum connman_service_state state) |
| { |
| struct service_entry *entry; |
| enum connman_service_type type; |
| int idx; |
| |
| entry = g_try_new0(struct service_entry, 1); |
| if (entry == NULL) |
| return entry; |
| |
| entry->reason = CONNMAN_SESSION_REASON_UNKNOWN; |
| entry->state = state; |
| if (name != NULL) |
| entry->name = name; |
| else |
| entry->name = ""; |
| entry->service = service; |
| |
| idx = __connman_service_get_index(entry->service); |
| entry->ifname = connman_inet_ifname(idx); |
| if (entry->ifname == NULL) |
| entry->ifname = g_strdup(""); |
| |
| type = connman_service_get_type(entry->service); |
| entry->bearer = service2bearer(type); |
| |
| return entry; |
| } |
| |
| static void destroy_service_entry(gpointer data) |
| { |
| struct service_entry *entry = data; |
| |
| pending_timeout_remove_all(entry); |
| g_free(entry->ifname); |
| |
| g_free(entry); |
| } |
| |
| static void populate_service_list(struct connman_session *session) |
| { |
| struct service_entry *entry; |
| GSequenceIter *iter; |
| |
| session->service_hash = |
| g_hash_table_new_full(g_direct_hash, g_direct_equal, |
| NULL, NULL); |
| session->service_list = __connman_service_get_list(session, |
| service_match, |
| create_service_entry, |
| destroy_service_entry); |
| |
| g_sequence_sort(session->service_list, sort_services, session); |
| |
| iter = g_sequence_get_begin_iter(session->service_list); |
| |
| while (g_sequence_iter_is_end(iter) == FALSE) { |
| entry = g_sequence_get(iter); |
| |
| DBG("service %p type %s name %s", entry->service, |
| service2bearer(connman_service_get_type(entry->service)), |
| entry->name); |
| |
| g_hash_table_replace(session->service_hash, |
| entry->service, iter); |
| |
| iter = g_sequence_iter_next(iter); |
| } |
| } |
| |
| static void session_changed(struct connman_session *session, |
| enum connman_session_trigger trigger) |
| { |
| struct session_info *info = session->info; |
| struct session_info *info_last = session->info_last; |
| GSequenceIter *service_iter = NULL, *service_iter_last = NULL; |
| GSequence *service_list_last; |
| GHashTable *service_hash_last; |
| |
| /* |
| * TODO: This only a placeholder for the 'real' algorithm to |
| * play a bit around. So we are going to improve it step by step. |
| */ |
| |
| DBG("session %p trigger %s reason %s", session, trigger2string(trigger), |
| reason2string(info->reason)); |
| |
| if (info->entry != NULL) { |
| enum connman_session_state state; |
| |
| state = service_to_session_state(info->entry->state); |
| |
| if (is_type_matching_state(&state, info->config.type) == TRUE) |
| info->state = state; |
| } |
| |
| switch (trigger) { |
| case CONNMAN_SESSION_TRIGGER_UNKNOWN: |
| DBG("ignore session changed event"); |
| return; |
| case CONNMAN_SESSION_TRIGGER_SETTING: |
| if (info->config.allowed_bearers != info_last->config.allowed_bearers) { |
| |
| service_hash_last = session->service_hash; |
| service_list_last = session->service_list; |
| |
| populate_service_list(session); |
| |
| if (info->entry != NULL) { |
| service_iter_last = g_hash_table_lookup( |
| service_hash_last, |
| info->entry->service); |
| service_iter = g_hash_table_lookup( |
| session->service_hash, |
| info->entry->service); |
| } |
| |
| if (service_iter == NULL && service_iter_last != NULL) { |
| /* |
| * The currently selected service is |
| * not part of this session anymore. |
| */ |
| deselect_and_disconnect(session); |
| } |
| |
| g_hash_table_remove_all(service_hash_last); |
| g_sequence_free(service_list_last); |
| } |
| |
| if (info->config.type != info_last->config.type) { |
| if (info->state >= CONNMAN_SESSION_STATE_CONNECTED && |
| is_type_matching_state(&info->state, |
| info->config.type) == FALSE) |
| deselect_and_disconnect(session); |
| } |
| |
| if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED) { |
| select_and_connect(session, |
| CONNMAN_SESSION_REASON_FREE_RIDE); |
| } |
| |
| break; |
| case CONNMAN_SESSION_TRIGGER_ECALL: |
| /* |
| * For the time beeing we fallback to normal connect |
| * strategy. |
| */ |
| case CONNMAN_SESSION_TRIGGER_CONNECT: |
| if (info->state >= CONNMAN_SESSION_STATE_CONNECTED) { |
| if (info->entry->reason == CONNMAN_SESSION_REASON_CONNECT) |
| break; |
| info->entry->reason = CONNMAN_SESSION_REASON_CONNECT; |
| __connman_service_session_inc(info->entry->service); |
| break; |
| } |
| |
| if (info->entry != NULL && |
| is_connecting(info->entry->state) == TRUE) { |
| break; |
| } |
| |
| select_and_connect(session, |
| CONNMAN_SESSION_REASON_CONNECT); |
| |
| break; |
| case CONNMAN_SESSION_TRIGGER_DISCONNECT: |
| deselect_and_disconnect(session); |
| |
| break; |
| case CONNMAN_SESSION_TRIGGER_SERVICE: |
| if (info->entry != NULL && |
| (is_connecting(info->entry->state) == TRUE || |
| is_connected(info->entry->state) == TRUE)) { |
| break; |
| } |
| |
| deselect_and_disconnect(session); |
| |
| if (info->reason == CONNMAN_SESSION_REASON_FREE_RIDE) { |
| select_and_connect(session, info->reason); |
| } |
| |
| break; |
| } |
| |
| session_notify(session); |
| } |
| |
| int connman_session_config_update(struct connman_session *session) |
| { |
| struct session_info *info = session->info; |
| GSList *allowed_bearers; |
| int err; |
| |
| DBG("session %p", session); |
| |
| /* |
| * We update all configuration even though only one entry |
| * might have changed. We can still optimize this later. |
| */ |
| |
| err = apply_policy_on_bearers( |
| session->policy_config->allowed_bearers, |
| session->user_allowed_bearers, |
| &allowed_bearers); |
| if (err < 0) |
| return err; |
| |
| g_slist_free(info->config.allowed_bearers); |
| info->config.allowed_bearers = allowed_bearers; |
| |
| info->config.type = apply_policy_on_type( |
| session->policy_config->type, |
| info->config.type); |
| |
| info->config.roaming_policy = session->policy_config->roaming_policy; |
| |
| info->config.ecall = session->policy_config->ecall; |
| if (info->config.ecall == TRUE) |
| ecall_session = session; |
| |
| info->config.priority = session->policy_config->priority; |
| |
| session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING); |
| |
| return 0; |
| } |
| |
| static DBusMessage *connect_session(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| struct connman_session *session = user_data; |
| |
| DBG("session %p", session); |
| |
| if (ecall_session != NULL) { |
| if (ecall_session->ecall == TRUE && ecall_session != session) |
| return __connman_error_failed(msg, EBUSY); |
| |
| session->ecall = TRUE; |
| session_changed(session, CONNMAN_SESSION_TRIGGER_ECALL); |
| } else |
| session_changed(session, CONNMAN_SESSION_TRIGGER_CONNECT); |
| |
| return g_dbus_create_reply(msg, DBUS_TYPE_INVALID); |
| } |
| |
| static DBusMessage *disconnect_session(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| struct connman_session *session = user_data; |
| |
| DBG("session %p", session); |
| |
| if (ecall_session != NULL) { |
| if (ecall_session->ecall == TRUE && ecall_session != session) |
| return __connman_error_failed(msg, EBUSY); |
| |
| session->ecall = FALSE; |
| } |
| |
| session_changed(session, CONNMAN_SESSION_TRIGGER_DISCONNECT); |
| |
| return g_dbus_create_reply(msg, DBUS_TYPE_INVALID); |
| } |
| |
| static DBusMessage *change_session(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| struct connman_session *session = user_data; |
| struct session_info *info = session->info; |
| DBusMessageIter iter, value; |
| const char *name; |
| const char *val; |
| GSList *allowed_bearers; |
| int err; |
| |
| DBG("session %p", session); |
| if (dbus_message_iter_init(msg, &iter) == FALSE) |
| return __connman_error_invalid_arguments(msg); |
| |
| if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) |
| return __connman_error_invalid_arguments(msg); |
| |
| dbus_message_iter_get_basic(&iter, &name); |
| dbus_message_iter_next(&iter); |
| |
| if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) |
| return __connman_error_invalid_arguments(msg); |
| |
| dbus_message_iter_recurse(&iter, &value); |
| |
| switch (dbus_message_iter_get_arg_type(&value)) { |
| case DBUS_TYPE_ARRAY: |
| if (g_str_equal(name, "AllowedBearers") == TRUE) { |
| err = parse_bearers(&value, &allowed_bearers); |
| if (err < 0) |
| return __connman_error_failed(msg, err); |
| |
| g_slist_free(info->config.allowed_bearers); |
| session->user_allowed_bearers = allowed_bearers; |
| |
| err = apply_policy_on_bearers( |
| session->policy_config->allowed_bearers, |
| session->user_allowed_bearers, |
| &info->config.allowed_bearers); |
| |
| if (err < 0) |
| return __connman_error_failed(msg, err); |
| } else { |
| goto err; |
| } |
| break; |
| case DBUS_TYPE_STRING: |
| if (g_str_equal(name, "ConnectionType") == TRUE) { |
| dbus_message_iter_get_basic(&value, &val); |
| info->config.type = apply_policy_on_type( |
| session->policy_config->type, |
| connman_session_parse_connection_type(val)); |
| } else { |
| goto err; |
| } |
| break; |
| default: |
| goto err; |
| } |
| |
| session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING); |
| |
| return g_dbus_create_reply(msg, DBUS_TYPE_INVALID); |
| |
| err: |
| return __connman_error_invalid_arguments(msg); |
| } |
| |
| static void release_session(gpointer key, gpointer value, gpointer user_data) |
| { |
| struct connman_session *session = value; |
| DBusMessage *message; |
| |
| DBG("owner %s path %s", session->owner, session->notify_path); |
| |
| if (session->notify_watch > 0) |
| g_dbus_remove_watch(connection, session->notify_watch); |
| |
| g_dbus_unregister_interface(connection, session->session_path, |
| CONNMAN_SESSION_INTERFACE); |
| |
| message = dbus_message_new_method_call(session->owner, |
| session->notify_path, |
| CONNMAN_NOTIFICATION_INTERFACE, |
| "Release"); |
| if (message == NULL) |
| return; |
| |
| dbus_message_set_no_reply(message, TRUE); |
| |
| g_dbus_send_message(connection, message); |
| } |
| |
| static int session_disconnect(struct connman_session *session) |
| { |
| DBG("session %p, %s", session, session->owner); |
| |
| if (session->notify_watch > 0) |
| g_dbus_remove_watch(connection, session->notify_watch); |
| |
| g_dbus_unregister_interface(connection, session->session_path, |
| CONNMAN_SESSION_INTERFACE); |
| |
| deselect_and_disconnect(session); |
| |
| g_hash_table_remove(session_hash, session->session_path); |
| |
| return 0; |
| } |
| |
| static void owner_disconnect(DBusConnection *conn, void *user_data) |
| { |
| struct connman_session *session = user_data; |
| |
| DBG("session %p, %s died", session, session->owner); |
| |
| session_disconnect(session); |
| } |
| |
| static DBusMessage *destroy_session(DBusConnection *conn, |
| DBusMessage *msg, void *user_data) |
| { |
| struct connman_session *session = user_data; |
| |
| DBG("session %p", session); |
| |
| if (ecall_session != NULL && ecall_session != session) |
| return __connman_error_failed(msg, EBUSY); |
| |
| session_disconnect(session); |
| |
| return g_dbus_create_reply(msg, DBUS_TYPE_INVALID); |
| } |
| |
| static const GDBusMethodTable session_methods[] = { |
| { GDBUS_METHOD("Destroy", NULL, NULL, destroy_session) }, |
| { GDBUS_METHOD("Connect", NULL, NULL, connect_session) }, |
| { GDBUS_METHOD("Disconnect", NULL, NULL, |
| disconnect_session ) }, |
| { GDBUS_METHOD("Change", |
| GDBUS_ARGS({ "name", "s" }, { "value", "v" }), |
| NULL, change_session) }, |
| { }, |
| }; |
| |
| static int session_create_cb(struct connman_session *session, |
| struct connman_session_config *config, |
| void *user_data, int err) |
| { |
| DBusMessage *reply; |
| struct user_config *user_config = user_data; |
| struct session_info *info, *info_last; |
| |
| DBG("session %p config %p", session, config); |
| |
| if (err != 0) |
| goto out; |
| |
| session->policy_config = config; |
| |
| info = session->info; |
| info_last = session->info_last; |
| |
| if (session->policy_config->ecall == TRUE) |
| ecall_session = session; |
| |
| info->state = CONNMAN_SESSION_STATE_DISCONNECTED; |
| info->config.type = apply_policy_on_type( |
| session->policy_config->type, |
| user_config->type); |
| info->config.priority = session->policy_config->priority; |
| info->config.roaming_policy = session->policy_config->roaming_policy; |
| info->entry = NULL; |
| |
| session->user_allowed_bearers = user_config->allowed_bearers; |
| user_config->allowed_bearers = NULL; |
| |
| err = apply_policy_on_bearers( |
| session->policy_config->allowed_bearers, |
| session->user_allowed_bearers, |
| &info->config.allowed_bearers); |
| if (err < 0) |
| goto out; |
| |
| g_hash_table_replace(session_hash, session->session_path, session); |
| |
| DBG("add %s", session->session_path); |
| |
| if (g_dbus_register_interface(connection, session->session_path, |
| CONNMAN_SESSION_INTERFACE, |
| session_methods, NULL, |
| NULL, session, NULL) == FALSE) { |
| connman_error("Failed to register %s", session->session_path); |
| g_hash_table_remove(session_hash, session->session_path); |
| err = -EINVAL; |
| goto out; |
| } |
| |
| reply = g_dbus_create_reply(user_config->pending, |
| DBUS_TYPE_OBJECT_PATH, &session->session_path, |
| DBUS_TYPE_INVALID); |
| g_dbus_send_message(connection, reply); |
| user_config->pending = NULL; |
| |
| populate_service_list(session); |
| |
| info_last->state = info->state; |
| info_last->config.priority = info->config.priority; |
| info_last->config.roaming_policy = info->config.roaming_policy; |
| info_last->entry = info->entry; |
| info_last->config.allowed_bearers = info->config.allowed_bearers; |
| |
| session->append_all = TRUE; |
| |
| session_changed(session, CONNMAN_SESSION_TRIGGER_SETTING); |
| |
| out: |
| if (err < 0) { |
| reply = __connman_error_failed(user_config->pending, -err); |
| g_dbus_send_message(connection, reply); |
| |
| free_session(session); |
| } |
| |
| cleanup_user_config(user_config); |
| |
| return err; |
| } |
| |
| int __connman_session_create(DBusMessage *msg) |
| { |
| const char *owner, *notify_path; |
| char *session_path = NULL; |
| DBusMessageIter iter, array; |
| struct connman_session *session = NULL; |
| struct user_config *user_config = NULL; |
| connman_bool_t user_allowed_bearers = FALSE; |
| connman_bool_t user_connection_type = FALSE; |
| int err; |
| |
| owner = dbus_message_get_sender(msg); |
| |
| DBG("owner %s", owner); |
| |
| if (ecall_session != NULL && ecall_session->ecall == TRUE) { |
| /* |
| * If there is an emergency call already going on, |
| * ignore session creation attempt |
| */ |
| err = -EBUSY; |
| goto err; |
| } |
| |
| user_config = g_try_new0(struct user_config, 1); |
| if (user_config == NULL) { |
| err = -ENOMEM; |
| goto err; |
| } |
| |
| user_config->pending = dbus_message_ref(msg); |
| |
| dbus_message_iter_init(msg, &iter); |
| dbus_message_iter_recurse(&iter, &array); |
| |
| while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) { |
| DBusMessageIter entry, value; |
| const char *key, *val; |
| |
| dbus_message_iter_recurse(&array, &entry); |
| dbus_message_iter_get_basic(&entry, &key); |
| |
| dbus_message_iter_next(&entry); |
| dbus_message_iter_recurse(&entry, &value); |
| |
| switch (dbus_message_iter_get_arg_type(&value)) { |
| case DBUS_TYPE_ARRAY: |
| if (g_str_equal(key, "AllowedBearers") == TRUE) { |
| err = parse_bearers(&value, |
| &user_config->allowed_bearers); |
| if (err < 0) |
| goto err; |
| |
| user_allowed_bearers = TRUE; |
| } else { |
| err = -EINVAL; |
| goto err; |
| } |
| break; |
| case DBUS_TYPE_STRING: |
| if (g_str_equal(key, "ConnectionType") == TRUE) { |
| dbus_message_iter_get_basic(&value, &val); |
| user_config->type = |
| connman_session_parse_connection_type(val); |
| |
| user_connection_type = TRUE; |
| } else { |
| err = -EINVAL; |
| goto err; |
| } |
| } |
| dbus_message_iter_next(&array); |
| } |
| |
| /* |
| * If the user hasn't provided a configuration, we set |
| * the default configuration. |
| * |
| * For AllowedBearers this is '*', ... |
| */ |
| if (user_allowed_bearers == FALSE) { |
| user_config->allowed_bearers = |
| g_slist_append(NULL, |
| GINT_TO_POINTER(CONNMAN_SERVICE_TYPE_UNKNOWN)); |
| if (user_config->allowed_bearers == NULL) { |
| err = -ENOMEM; |
| goto err; |
| } |
| } |
| |
| /* ... and for ConnectionType it is 'any'. */ |
| if (user_connection_type == FALSE) |
| user_config->type = CONNMAN_SESSION_TYPE_ANY; |
| |
| dbus_message_iter_next(&iter); |
| dbus_message_iter_get_basic(&iter, ¬ify_path); |
| |
| if (notify_path == NULL) { |
| err = -EINVAL; |
| goto err; |
| } |
| |
| session_path = g_strdup_printf("/sessions%s", notify_path); |
| if (session_path == NULL) { |
| err = -ENOMEM; |
| goto err; |
| } |
| |
| session = g_hash_table_lookup(session_hash, session_path); |
| if (session != NULL) { |
| g_free(session_path); |
| session = NULL; |
| err = -EEXIST; |
| goto err; |
| } |
| |
| session = g_try_new0(struct connman_session, 1); |
| if (session == NULL) { |
| g_free(session_path); |
| err = -ENOMEM; |
| goto err; |
| } |
| |
| session->session_path = session_path; |
| |
| session->info = g_try_new0(struct session_info, 1); |
| if (session->info == NULL) { |
| err = -ENOMEM; |
| goto err; |
| } |
| |
| session->info_last = g_try_new0(struct session_info, 1); |
| if (session->info_last == NULL) { |
| err = -ENOMEM; |
| goto err; |
| } |
| |
| session->owner = g_strdup(owner); |
| session->notify_path = g_strdup(notify_path); |
| session->notify_watch = |
| g_dbus_add_disconnect_watch(connection, session->owner, |
| owner_disconnect, session, NULL); |
| |
| err = assign_policy_plugin(session); |
| if (err < 0) |
| goto err; |
| |
| err = create_policy_config(session, session_create_cb, user_config); |
| if (err < 0 && err != -EINPROGRESS) |
| return err; |
| |
| return -EINPROGRESS; |
| |
| err: |
| connman_error("Failed to create session"); |
| |
| free_session(session); |
| |
| cleanup_user_config(user_config); |
| return err; |
| } |
| |
| void connman_session_destroy(struct connman_session *session) |
| { |
| DBG("session %p", session); |
| |
| session_disconnect(session); |
| } |
| |
| int __connman_session_destroy(DBusMessage *msg) |
| { |
| const char *owner, *session_path; |
| struct connman_session *session; |
| |
| owner = dbus_message_get_sender(msg); |
| |
| DBG("owner %s", owner); |
| |
| dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &session_path, |
| DBUS_TYPE_INVALID); |
| if (session_path == NULL) |
| return -EINVAL; |
| |
| session = g_hash_table_lookup(session_hash, session_path); |
| if (session == NULL) |
| return -EINVAL; |
| |
| if (g_strcmp0(owner, session->owner) != 0) |
| return -EACCES; |
| |
| connman_session_destroy(session); |
| |
| return 0; |
| } |
| |
| connman_bool_t __connman_session_mode() |
| { |
| return sessionmode; |
| } |
| |
| void __connman_session_set_mode(connman_bool_t enable) |
| { |
| DBG("enable %d", enable); |
| |
| if (sessionmode != enable) { |
| sessionmode = enable; |
| |
| connman_dbus_property_changed_basic(CONNMAN_MANAGER_PATH, |
| CONNMAN_MANAGER_INTERFACE, "SessionMode", |
| DBUS_TYPE_BOOLEAN, &sessionmode); |
| } |
| |
| if (sessionmode == TRUE) |
| __connman_service_disconnect_all(); |
| } |
| |
| static void service_add(struct connman_service *service, |
| const char *name) |
| { |
| GHashTableIter iter; |
| GSequenceIter *iter_service_list; |
| gpointer key, value; |
| struct connman_session *session; |
| struct service_entry *entry; |
| |
| DBG("service %p", service); |
| |
| g_hash_table_iter_init(&iter, session_hash); |
| |
| while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) { |
| session = value; |
| |
| if (service_match(session, service) == FALSE) |
| continue; |
| |
| entry = create_service_entry(service, name, |
| CONNMAN_SERVICE_STATE_IDLE); |
| if (entry == NULL) |
| continue; |
| |
| iter_service_list = |
| g_sequence_insert_sorted(session->service_list, |
| entry, sort_services, |
| session); |
| |
| g_hash_table_replace(session->service_hash, service, |
| iter_service_list); |
| |
| session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE); |
| } |
| } |
| |
| static void service_remove(struct connman_service *service) |
| { |
| |
| GHashTableIter iter; |
| gpointer key, value; |
| struct connman_session *session; |
| struct session_info *info; |
| |
| DBG("service %p", service); |
| |
| g_hash_table_iter_init(&iter, session_hash); |
| |
| while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) { |
| GSequenceIter *seq_iter; |
| session = value; |
| info = session->info; |
| |
| seq_iter = g_hash_table_lookup(session->service_hash, service); |
| if (seq_iter == NULL) |
| continue; |
| |
| g_sequence_remove(seq_iter); |
| |
| if (info->entry != NULL && info->entry->service == service) |
| info->entry = NULL; |
| session_changed(session, CONNMAN_SESSION_TRIGGER_SERVICE); |
| } |
| } |
| |
| static void service_state_changed(struct connman_service *service, |
| enum connman_service_state state) |
| { |
| GHashTableIter iter; |
| gpointer key, value; |
| |
| DBG("service %p state %d", service, state); |
| |
| g_hash_table_iter_init(&iter, session_hash); |
| |
| while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) { |
| struct connman_session *session = value; |
| GSequenceIter *service_iter; |
| |
| service_iter = g_hash_table_lookup(session->service_hash, service); |
| if (service_iter != NULL) { |
| struct service_entry *entry; |
| |
| entry = g_sequence_get(service_iter); |
| entry->state = state; |
| } |
| |
| session_changed(session, |
| CONNMAN_SESSION_TRIGGER_SERVICE); |
| } |
| } |
| |
| static void ipconfig_changed(struct connman_service *service, |
| struct connman_ipconfig *ipconfig) |
| { |
| GHashTableIter iter; |
| gpointer key, value; |
| struct connman_session *session; |
| struct session_info *info; |
| enum connman_ipconfig_type type; |
| |
| DBG("service %p ipconfig %p", service, ipconfig); |
| |
| type = __connman_ipconfig_get_config_type(ipconfig); |
| |
| g_hash_table_iter_init(&iter, session_hash); |
| |
| while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) { |
| session = value; |
| info = session->info; |
| |
| if (info->state == CONNMAN_SESSION_STATE_DISCONNECTED) |
| continue; |
| |
| if (info->entry != NULL && info->entry->service == service) { |
| if (type == CONNMAN_IPCONFIG_TYPE_IPV4) |
| ipconfig_ipv4_changed(session); |
| else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) |
| ipconfig_ipv6_changed(session); |
| } |
| } |
| } |
| |
| static struct connman_notifier session_notifier = { |
| .name = "session", |
| .service_add = service_add, |
| .service_remove = service_remove, |
| .service_state_changed = service_state_changed, |
| .ipconfig_changed = ipconfig_changed, |
| }; |
| |
| int __connman_session_init(void) |
| { |
| int err; |
| |
| DBG(""); |
| |
| connection = connman_dbus_get_connection(); |
| if (connection == NULL) |
| return -1; |
| |
| err = connman_notifier_register(&session_notifier); |
| if (err < 0) { |
| dbus_connection_unref(connection); |
| return err; |
| } |
| |
| session_hash = g_hash_table_new_full(g_str_hash, g_str_equal, |
| NULL, cleanup_session); |
| |
| sessionmode = FALSE; |
| return 0; |
| } |
| |
| void __connman_session_cleanup(void) |
| { |
| DBG(""); |
| |
| if (connection == NULL) |
| return; |
| |
| connman_notifier_unregister(&session_notifier); |
| |
| g_hash_table_foreach(session_hash, release_session, NULL); |
| g_hash_table_destroy(session_hash); |
| session_hash = NULL; |
| |
| dbus_connection_unref(connection); |
| } |