Imported Upstream version 1.24
[platform/upstream/connman.git] / src / config.c
index e5c9c7e..330ae81 100644 (file)
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2013  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
@@ -55,8 +55,8 @@ struct connman_config_service {
        GSList *service_identifiers;
        char *config_ident; /* file prefix */
        char *config_entry; /* entry name */
-       connman_bool_t hidden;
-       connman_bool_t virtual;
+       bool hidden;
+       bool virtual;
        char *virtual_file;
        char *ipv4_address;
        char *ipv4_netmask;
@@ -81,7 +81,7 @@ struct connman_config {
 
 static GHashTable *config_table = NULL;
 
-static connman_bool_t cleanup = FALSE;
+static bool cleanup = false;
 
 /* Definition of possible strings in the .config files */
 #define CONFIG_KEY_NAME                "Name"
@@ -162,38 +162,40 @@ static void unregister_service(gpointer data)
        char *service_id;
        GSList *list;
 
-       if (cleanup == TRUE)
+       if (cleanup)
                goto free_only;
 
        connman_info("Removing service configuration %s",
                                                config_service->ident);
 
-       if (config_service->virtual == TRUE)
+       if (config_service->virtual)
                goto free_only;
 
-       for (list = config_service->service_identifiers; list != NULL;
+       for (list = config_service->service_identifiers; list;
                                                        list = list->next) {
                service_id = list->data;
 
                service = __connman_service_lookup_from_ident(service_id);
-               if (service != NULL) {
-                       __connman_service_set_immutable(service, FALSE);
+               if (service) {
+                       __connman_service_set_immutable(service, false);
                        __connman_service_set_config(service, NULL, NULL);
                        __connman_service_remove(service);
 
                        /*
-                        * Ethernet service cannot be removed by
+                        * Ethernet or gadget service cannot be removed by
                         * __connman_service_remove() so reset the ipconfig
                         * here.
                         */
                        if (connman_service_get_type(service) ==
-                                               CONNMAN_SERVICE_TYPE_ETHERNET) {
+                                               CONNMAN_SERVICE_TYPE_ETHERNET ||
+                                       connman_service_get_type(service) ==
+                                               CONNMAN_SERVICE_TYPE_GADGET) {
                                __connman_service_disconnect(service);
                                __connman_service_reset_ipconfig(service,
                                        CONNMAN_IPCONFIG_TYPE_IPV4, NULL, NULL);
                                __connman_service_reset_ipconfig(service,
                                        CONNMAN_IPCONFIG_TYPE_IPV6, NULL, NULL);
-                               __connman_service_set_ignore(service, TRUE);
+                               __connman_service_set_ignore(service, true);
 
                                /*
                                 * After these operations, user needs to
@@ -203,7 +205,7 @@ static void unregister_service(gpointer data)
                        }
                }
 
-               if (__connman_storage_remove_service(service_id) == FALSE)
+               if (!__connman_storage_remove_service(service_id))
                        DBG("Could not remove all files for service %s",
                                                                service_id);
        }
@@ -247,7 +249,7 @@ static void check_keys(GKeyFile *keyfile, const char *group,
        gsize nb_avail_keys, i, j;
 
        avail_keys = g_key_file_get_keys(keyfile, group, &nb_avail_keys, NULL);
-       if (avail_keys == NULL)
+       if (!avail_keys)
                return;
 
        /*
@@ -259,7 +261,7 @@ static void check_keys(GKeyFile *keyfile, const char *group,
                        if (g_strcmp0(avail_keys[i], possible_keys[j]) == 0)
                                break;
 
-               if (possible_keys[j] == NULL)
+               if (!possible_keys[j])
                        connman_warn("Unknown configuration key %s in [%s]",
                                        avail_keys[i], group);
        }
@@ -313,11 +315,11 @@ static int parse_address(const char *address_str, int address_family,
        char **route;
 
        route = g_strsplit(address_str, "/", 0);
-       if (route == NULL)
+       if (!route)
                return -EINVAL;
 
        addr_str = route[0];
-       if (addr_str == NULL || addr_str[0] == '\0') {
+       if (!addr_str || addr_str[0] == '\0') {
                err = -EINVAL;
                goto out;
        }
@@ -326,20 +328,17 @@ static int parse_address(const char *address_str, int address_family,
                goto out;
 
        mask_str = route[1];
-       if (mask_str == NULL || mask_str[0] == '\0') {
+       if (!mask_str || mask_str[0] == '\0') {
                err = -EINVAL;
                goto out;
        }
 
        gw_str = route[2];
-       if (gw_str == NULL || gw_str[0] == '\0') {
-               err = -EINVAL;
-               goto out;
+       if (gw_str && gw_str[0]) {
+               if ((err = check_family(gw_str, address_family)) < 0)
+                       goto out;
        }
 
-       if ((err = check_family(gw_str, address_family)) < 0)
-               goto out;
-
        g_free(*address);
        *address = g_strdup(addr_str);
 
@@ -349,7 +348,10 @@ static int parse_address(const char *address_str, int address_family,
        g_free(*gateway);
        *gateway = g_strdup(gw_str);
 
-       DBG("address %s/%s via %s", *address, *netmask, *gateway);
+       if (*gateway)
+               DBG("address %s/%s via %s", *address, *netmask, *gateway);
+       else
+               DBG("address %s/%s", *address, *netmask);
 
 out:
        g_strfreev(route);
@@ -357,19 +359,19 @@ out:
        return err;
 }
 
-static connman_bool_t check_address(char *address_str, char **address)
+static bool check_address(char *address_str, char **address)
 {
        if (g_ascii_strcasecmp(address_str, "auto") == 0 ||
                        g_ascii_strcasecmp(address_str, "dhcp") == 0 ||
                        g_ascii_strcasecmp(address_str, "off") == 0) {
                *address = address_str;
-               return FALSE;
+               return false;
        }
 
-       return TRUE;
+       return true;
 }
 
-static connman_bool_t load_service_generic(GKeyFile *keyfile,
+static bool load_service_generic(GKeyFile *keyfile,
                        const char *group, struct connman_config *config,
                        struct connman_config_service *service)
 {
@@ -377,8 +379,8 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
        char **strlist;
        gsize length;
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_IPv4, NULL);
-       if (str != NULL && check_address(str, &service->ipv4_address) == TRUE) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv4, NULL);
+       if (str && check_address(str, &service->ipv4_address)) {
                mask = NULL;
 
                if (parse_address(str, AF_INET, &service->ipv4_address,
@@ -389,7 +391,7 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
                        goto err;
                }
 
-               if (g_strrstr(mask, ".") == NULL) {
+               if (!g_strrstr(mask, ".")) {
                        /* We have netmask length */
                        in_addr_t addr;
                        struct in_addr netmask_in;
@@ -412,8 +414,8 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
                g_free(str);
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_IPv6, NULL);
-       if (str != NULL && check_address(str, &service->ipv6_address) == TRUE) {
+       str =  __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv6, NULL);
+       if (str && check_address(str, &service->ipv6_address)) {
                long int value;
                char *ptr;
 
@@ -437,29 +439,29 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
                g_free(str);
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_IPv6_PRIVACY,
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IPv6_PRIVACY,
                                                                        NULL);
-       if (str != NULL) {
+       if (str) {
                g_free(service->ipv6_privacy);
                service->ipv6_privacy = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_MAC, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_MAC, NULL);
+       if (str) {
                g_free(service->mac);
                service->mac = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_DOMAIN, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_DOMAIN, NULL);
+       if (str) {
                g_free(service->domain_name);
                service->domain_name = str;
        }
 
-       strlist = g_key_file_get_string_list(keyfile, group,
+       strlist = __connman_config_get_string_list(keyfile, group,
                                        SERVICE_KEY_NAMESERVERS,
                                        &length, NULL);
-       if (strlist != NULL) {
+       if (strlist) {
                if (length != 0) {
                        g_strfreev(service->nameservers);
                        service->nameservers = strlist;
@@ -467,10 +469,10 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
                        g_strfreev(strlist);
        }
 
-       strlist = g_key_file_get_string_list(keyfile, group,
+       strlist = __connman_config_get_string_list(keyfile, group,
                                        SERVICE_KEY_SEARCH_DOMAINS,
                                        &length, NULL);
-       if (strlist != NULL) {
+       if (strlist) {
                if (length != 0) {
                        g_strfreev(service->search_domains);
                        service->search_domains = strlist;
@@ -478,10 +480,10 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
                        g_strfreev(strlist);
        }
 
-       strlist = g_key_file_get_string_list(keyfile, group,
+       strlist = __connman_config_get_string_list(keyfile, group,
                                        SERVICE_KEY_TIMESERVERS,
                                        &length, NULL);
-       if (strlist != NULL) {
+       if (strlist) {
                if (length != 0) {
                        g_strfreev(service->timeservers);
                        service->timeservers = strlist;
@@ -489,7 +491,7 @@ static connman_bool_t load_service_generic(GKeyFile *keyfile,
                        g_strfreev(strlist);
        }
 
-       return TRUE;
+       return true;
 
 err:
        g_free(service->ident);
@@ -502,39 +504,39 @@ err:
        g_free(service->mac);
        g_free(service);
 
-       return FALSE;
+       return false;
 }
 
-static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
+static bool load_service(GKeyFile *keyfile, const char *group,
                                                struct connman_config *config)
 {
        struct connman_config_service *service;
        const char *ident;
        char *str, *hex_ssid;
-       gboolean service_created = FALSE;
+       bool service_created = false;
 
        /* Strip off "service_" prefix */
        ident = group + 8;
 
        if (strlen(ident) < 1)
-               return FALSE;
+               return false;
 
        /* Verify that provided keys are good */
        check_keys(keyfile, group, service_possible_keys);
 
        service = g_hash_table_lookup(config->service_table, ident);
-       if (service == NULL) {
+       if (!service) {
                service = g_try_new0(struct connman_config_service, 1);
-               if (service == NULL)
-                       return FALSE;
+               if (!service)
+                       return false;
 
                service->ident = g_strdup(ident);
 
-               service_created = TRUE;
+               service_created = true;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_TYPE, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_TYPE, NULL);
+       if (str) {
                g_free(service->type);
                service->type = str;
        } else {
@@ -543,8 +545,8 @@ static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
                goto err;
        }
 
-       if (load_service_generic(keyfile, group, config, service) == FALSE)
-               return FALSE;
+       if (!load_service_generic(keyfile, group, config, service))
+               return false;
 
        if (g_strcmp0(str, "ethernet") == 0) {
                service->config_ident = g_strdup(config->ident);
@@ -553,24 +555,24 @@ static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
 
                g_hash_table_insert(config->service_table, service->ident,
                                                                service);
-               return 0;
+               return true;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_NAME, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_NAME, NULL);
+       if (str) {
                g_free(service->name);
                service->name = str;
        }
 
-       hex_ssid = g_key_file_get_string(keyfile, group, SERVICE_KEY_SSID,
+       hex_ssid = __connman_config_get_string(keyfile, group, SERVICE_KEY_SSID,
                                         NULL);
-       if (hex_ssid != NULL) {
+       if (hex_ssid) {
                char *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) {
+               if (!ssid) {
                        g_free(hex_ssid);
                        goto err;
                }
@@ -590,13 +592,13 @@ static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
                g_free(service->ssid);
                service->ssid = ssid;
                service->ssid_len = hex_ssid_len / 2;
-       } else if (service->name != NULL) {
+       } else if (service->name) {
                char *ssid;
                unsigned int ssid_len;
 
                ssid_len = strlen(service->name);
                ssid = g_try_malloc0(ssid_len);
-               if (ssid == NULL)
+               if (!ssid)
                        goto err;
 
                memcpy(ssid, service->name, ssid_len);
@@ -605,59 +607,59 @@ static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
                service->ssid_len = ssid_len;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_EAP, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_EAP, NULL);
+       if (str) {
                g_free(service->eap);
                service->eap = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_CA_CERT, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_CA_CERT, NULL);
+       if (str) {
                g_free(service->ca_cert_file);
                service->ca_cert_file = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_CL_CERT, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_CL_CERT, NULL);
+       if (str) {
                g_free(service->client_cert_file);
                service->client_cert_file = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PRV_KEY, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PRV_KEY, NULL);
+       if (str) {
                g_free(service->private_key_file);
                service->private_key_file = str;
        }
 
-       str = g_key_file_get_string(keyfile, group,
+       str = __connman_config_get_string(keyfile, group,
                                                SERVICE_KEY_PRV_KEY_PASS, NULL);
-       if (str != NULL) {
+       if (str) {
                g_free(service->private_key_passphrase);
                service->private_key_passphrase = str;
        }
 
-       str = g_key_file_get_string(keyfile, group,
+       str = __connman_config_get_string(keyfile, group,
                                        SERVICE_KEY_PRV_KEY_PASS_TYPE, NULL);
-       if (str != NULL) {
+       if (str) {
                g_free(service->private_key_passphrase_type);
                service->private_key_passphrase_type = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_IDENTITY, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_IDENTITY, NULL);
+       if (str) {
                g_free(service->identity);
                service->identity = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PHASE2, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PHASE2, NULL);
+       if (str) {
                g_free(service->phase2);
                service->phase2 = str;
        }
 
-       str = g_key_file_get_string(keyfile, group, SERVICE_KEY_PASSPHRASE,
+       str = __connman_config_get_string(keyfile, group, SERVICE_KEY_PASSPHRASE,
                                        NULL);
-       if (str != NULL) {
+       if (str) {
                g_free(service->passphrase);
                service->passphrase = str;
        }
@@ -665,7 +667,7 @@ static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
        service->config_ident = g_strdup(config->ident);
        service->config_entry = g_strdup_printf("service_%s", service->ident);
 
-       service->hidden = g_key_file_get_boolean(keyfile, group,
+       service->hidden = __connman_config_get_bool(keyfile, group,
                                                SERVICE_KEY_HIDDEN, NULL);
 
        if (service_created)
@@ -674,10 +676,10 @@ static connman_bool_t load_service(GKeyFile *keyfile, const char *group,
 
        connman_info("Adding service configuration %s", service->ident);
 
-       return TRUE;
+       return true;
 
 err:
-       if (service_created == TRUE) {
+       if (service_created) {
                g_free(service->ident);
                g_free(service->type);
                g_free(service->name);
@@ -685,23 +687,23 @@ err:
                g_free(service);
        }
 
-       return FALSE;
+       return false;
 }
 
-static connman_bool_t load_service_from_keyfile(GKeyFile *keyfile,
+static bool load_service_from_keyfile(GKeyFile *keyfile,
                                                struct connman_config *config)
 {
-       connman_bool_t found = FALSE;
+       bool found = false;
        char **groups;
        int i;
 
        groups = g_key_file_get_groups(keyfile, NULL);
 
-       for (i = 0; groups[i] != NULL; i++) {
-               if (g_str_has_prefix(groups[i], "service_") == FALSE)
+       for (i = 0; groups[i]; i++) {
+               if (!g_str_has_prefix(groups[i], "service_"))
                        continue;
-               if (load_service(keyfile, groups[i], config) == TRUE)
-                       found = TRUE;
+               if (load_service(keyfile, groups[i], config))
+                       found = true;
        }
 
        g_strfreev(groups);
@@ -717,25 +719,27 @@ static int load_config(struct connman_config *config)
        DBG("config %p", config);
 
        keyfile = __connman_storage_load_config(config->ident);
-       if (keyfile == NULL)
+       if (!keyfile)
                return -EIO;
 
+       g_key_file_set_list_separator(keyfile, ',');
+
        /* Verify keys validity of the global section */
        check_keys(keyfile, "global", config_possible_keys);
 
-       str = g_key_file_get_string(keyfile, "global", CONFIG_KEY_NAME, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, "global", CONFIG_KEY_NAME, NULL);
+       if (str) {
                g_free(config->name);
                config->name = str;
        }
 
-       str = g_key_file_get_string(keyfile, "global", CONFIG_KEY_DESC, NULL);
-       if (str != NULL) {
+       str = __connman_config_get_string(keyfile, "global", CONFIG_KEY_DESC, NULL);
+       if (str) {
                g_free(config->description);
                config->description = str;
        }
 
-       if (load_service_from_keyfile(keyfile, config) == FALSE)
+       if (!load_service_from_keyfile(keyfile, config))
                connman_warn("Config file %s/%s.config does not contain any "
                        "configuration that can be provisioned!",
                        STORAGEDIR, config->ident);
@@ -751,11 +755,11 @@ static struct connman_config *create_config(const char *ident)
 
        DBG("ident %s", ident);
 
-       if (g_hash_table_lookup(config_table, ident) != NULL)
+       if (g_hash_table_lookup(config_table, ident))
                return NULL;
 
        config = g_try_new0(struct connman_config, 1);
-       if (config == NULL)
+       if (!config)
                return NULL;
 
        config->ident = g_strdup(ident);
@@ -770,18 +774,18 @@ static struct connman_config *create_config(const char *ident)
        return config;
 }
 
-static connman_bool_t validate_ident(const char *ident)
+static bool validate_ident(const char *ident)
 {
        unsigned int i;
 
-       if (ident == NULL)
-               return FALSE;
+       if (!ident)
+               return false;
 
        for (i = 0; i < strlen(ident); i++)
-               if (g_ascii_isprint(ident[i]) == FALSE)
-                       return FALSE;
+               if (!g_ascii_isprint(ident[i]))
+                       return false;
 
-       return TRUE;
+       return true;
 }
 
 static int read_configs(void)
@@ -791,31 +795,31 @@ static int read_configs(void)
        DBG("");
 
        dir = g_dir_open(STORAGEDIR, 0, NULL);
-       if (dir != NULL) {
+       if (dir) {
                const gchar *file;
 
-               while ((file = g_dir_read_name(dir)) != NULL) {
+               while ((file = g_dir_read_name(dir))) {
                        GString *str;
                        gchar *ident;
 
-                       if (g_str_has_suffix(file, ".config") == FALSE)
+                       if (!g_str_has_suffix(file, ".config"))
                                continue;
 
                        ident = g_strrstr(file, ".config");
-                       if (ident == NULL)
+                       if (!ident)
                                continue;
 
                        str = g_string_new_len(file, ident - file);
-                       if (str == NULL)
+                       if (!str)
                                continue;
 
                        ident = g_string_free(str, FALSE);
 
-                       if (validate_ident(ident) == TRUE) {
+                       if (validate_ident(ident)) {
                                struct connman_config *config;
 
                                config = create_config(ident);
-                               if (config != NULL)
+                               if (config)
                                        load_config(config);
                        } else {
                                connman_error("Invalid config ident %s", ident);
@@ -834,19 +838,19 @@ static void config_notify_handler(struct inotify_event *event,
 {
        char *ext;
 
-       if (ident == NULL)
+       if (!ident)
                return;
 
-       if (g_str_has_suffix(ident, ".config") == FALSE)
+       if (!g_str_has_suffix(ident, ".config"))
                return;
 
        ext = g_strrstr(ident, ".config");
-       if (ext == NULL)
+       if (!ext)
                return;
 
        *ext = '\0';
 
-       if (validate_ident(ident) == FALSE) {
+       if (!validate_ident(ident)) {
                connman_error("Invalid config ident %s", ident);
                return;
        }
@@ -858,7 +862,7 @@ static void config_notify_handler(struct inotify_event *event,
                struct connman_config *config;
 
                config = g_hash_table_lookup(config_table, ident);
-               if (config != NULL) {
+               if (config) {
                        int ret;
 
                        g_hash_table_remove_all(config->service_table);
@@ -896,14 +900,61 @@ void __connman_config_cleanup(void)
 {
        DBG("");
 
-       cleanup = TRUE;
+       cleanup = true;
 
        connman_inotify_unregister(STORAGEDIR, config_notify_handler);
 
        g_hash_table_destroy(config_table);
        config_table = NULL;
 
-       cleanup = FALSE;
+       cleanup = false;
+}
+
+char *__connman_config_get_string(GKeyFile *key_file,
+       const char *group_name, const char *key, GError **error)
+{
+       char *str = g_key_file_get_string(key_file, group_name, key, error);
+       if (!str)
+               return NULL;
+
+       return g_strchomp(str);
+}
+
+char **__connman_config_get_string_list(GKeyFile *key_file,
+       const char *group_name, const char *key, gsize *length, GError **error)
+{
+       char **p;
+       char **strlist = g_key_file_get_string_list(key_file, group_name, key,
+               length, error);
+       if (!strlist)
+               return NULL;
+
+       p = strlist;
+       while (*p) {
+               *p = g_strstrip(*p);
+               p++;
+       }
+
+       return strlist;
+}
+
+bool __connman_config_get_bool(GKeyFile *key_file,
+       const char *group_name, const char *key, GError **error)
+{
+       char *valstr;
+       bool val = false;
+
+       valstr = g_key_file_get_value(key_file, group_name, key, error);
+       if (!valstr)
+               return false;
+
+       valstr = g_strchomp(valstr);
+       if (strcmp(valstr, "true") == 0 || strcmp(valstr, "1") == 0)
+               val = true;
+
+       g_free(valstr);
+
+       return val;
 }
 
 static char *config_pem_fsid(const char *pem_file)
@@ -912,7 +963,7 @@ static char *config_pem_fsid(const char *pem_file)
        unsigned *fsid = (unsigned *) &buf.f_fsid;
        unsigned long long fsid64;
 
-       if (pem_file == NULL)
+       if (!pem_file)
                return NULL;
 
        if (statfs(pem_file, &buf) < 0) {
@@ -926,44 +977,43 @@ static char *config_pem_fsid(const char *pem_file)
        return g_strdup_printf("%llx", fsid64);
 }
 
-static void provision_service_wifi(gpointer key,
-                               struct connman_config_service *config,
+static void provision_service_wifi(struct connman_config_service *config,
                                struct connman_service *service,
                                struct connman_network *network,
                                const void *ssid, unsigned int ssid_len)
 {
-       if (config->eap != NULL)
+       if (config->eap)
                __connman_service_set_string(service, "EAP", config->eap);
 
-       if (config->identity != NULL)
+       if (config->identity)
                __connman_service_set_string(service, "Identity",
                                                        config->identity);
 
-       if (config->ca_cert_file != NULL)
+       if (config->ca_cert_file)
                __connman_service_set_string(service, "CACertFile",
                                                        config->ca_cert_file);
 
-       if (config->client_cert_file != NULL)
+       if (config->client_cert_file)
                __connman_service_set_string(service, "ClientCertFile",
                                                config->client_cert_file);
 
-       if (config->private_key_file != NULL)
+       if (config->private_key_file)
                __connman_service_set_string(service, "PrivateKeyFile",
                                                config->private_key_file);
 
        if (g_strcmp0(config->private_key_passphrase_type, "fsid") == 0 &&
-                                       config->private_key_file != NULL) {
+                                       config->private_key_file) {
                char *fsid;
 
                fsid = config_pem_fsid(config->private_key_file);
-               if (fsid == NULL)
+               if (!fsid)
                        return;
 
                g_free(config->private_key_passphrase);
                config->private_key_passphrase = fsid;
        }
 
-       if (config->private_key_passphrase != NULL) {
+       if (config->private_key_passphrase) {
                __connman_service_set_string(service, "PrivateKeyPassphrase",
                                                config->private_key_passphrase);
                /*
@@ -975,13 +1025,14 @@ static void provision_service_wifi(gpointer key,
                 */
        }
 
-       if (config->phase2 != NULL)
+       if (config->phase2)
                __connman_service_set_string(service, "Phase2", config->phase2);
 
-       if (config->passphrase != NULL)
-               __connman_service_set_string(service, "Passphrase", config->passphrase);
+       if (config->passphrase)
+               __connman_service_set_string(service, "Passphrase",
+                                               config->passphrase);
 
-       if (config->hidden == TRUE)
+       if (config->hidden)
                __connman_service_set_hidden(service);
 }
 
@@ -994,7 +1045,8 @@ static gboolean remove_virtual_config(gpointer user_data)
 {
        struct connect_virtual *virtual = user_data;
 
-       __connman_service_connect(virtual->service);
+       __connman_service_connect(virtual->service,
+                               CONNMAN_SERVICE_CONNECT_REASON_AUTO);
        g_hash_table_remove(config_table, virtual->vfile);
 
        g_free(virtual);
@@ -1002,11 +1054,9 @@ static gboolean remove_virtual_config(gpointer user_data)
        return FALSE;
 }
 
-static void provision_service(gpointer key, gpointer value,
-                                                       gpointer user_data)
+static int try_provision_service(struct connman_config_service *config,
+                               struct connman_service *service)
 {
-       struct connman_service *service = user_data;
-       struct connman_config_service *config = value;
        struct connman_network *network;
        const void *service_id;
        enum connman_service_type type;
@@ -1016,32 +1066,36 @@ static void provision_service(gpointer key, gpointer value,
        type = connman_service_get_type(service);
        if (type == CONNMAN_SERVICE_TYPE_WIFI &&
                                g_strcmp0(config->type, "wifi") != 0)
-               return;
+               return -ENOENT;
 
        if (type == CONNMAN_SERVICE_TYPE_ETHERNET &&
                                g_strcmp0(config->type, "ethernet") != 0)
-               return;
+               return -ENOENT;
+
+       if (type == CONNMAN_SERVICE_TYPE_GADGET &&
+                               g_strcmp0(config->type, "gadget") != 0)
+               return -ENOENT;
 
        DBG("service %p ident %s", service,
                                        __connman_service_get_ident(service));
 
        network = __connman_service_get_network(service);
-       if (network == NULL) {
+       if (!network) {
                connman_error("Service has no network set");
-               return;
+               return -EINVAL;
        }
 
        DBG("network %p ident %s", network,
                                connman_network_get_identifier(network));
 
-       if (config->mac != NULL) {
+       if (config->mac) {
                struct connman_device *device;
                const char *device_addr;
 
                device = connman_network_get_device(network);
-               if (device == NULL) {
+               if (!device) {
                        connman_error("Network device is missing");
-                       return;
+                       return -ENODEV;
                }
 
                device_addr = connman_device_get_string(device, "Address");
@@ -1049,26 +1103,26 @@ static void provision_service(gpointer key, gpointer value,
                DBG("wants %s has %s", config->mac, device_addr);
 
                if (g_ascii_strcasecmp(device_addr, config->mac) != 0)
-                       return;
+                       return -ENOENT;
        }
 
        if (g_strcmp0(config->type, "wifi") == 0 &&
                                type == CONNMAN_SERVICE_TYPE_WIFI) {
                ssid = connman_network_get_blob(network, "WiFi.SSID",
                                                &ssid_len);
-               if (ssid == NULL) {
+               if (!ssid) {
                        connman_error("Network SSID not set");
-                       return;
+                       return -EINVAL;
                }
 
-               if (config->ssid == NULL || ssid_len != config->ssid_len)
-                       return;
+               if (!config->ssid || ssid_len != config->ssid_len)
+                       return -ENOENT;
 
                if (memcmp(config->ssid, ssid, ssid_len) != 0)
-                       return;
+                       return -ENOENT;
        }
 
-       if (config->ipv6_address == NULL) {
+       if (!config->ipv6_address) {
                connman_network_set_ipv6_method(network,
                                                CONNMAN_IPCONFIG_METHOD_AUTO);
        } else if (g_ascii_strcasecmp(config->ipv6_address, "off") == 0) {
@@ -1081,15 +1135,14 @@ static void provision_service(gpointer key, gpointer value,
        } else {
                struct connman_ipaddress *address;
 
-               if (config->ipv6_prefix_length == 0 ||
-                                       config->ipv6_gateway == NULL) {
-                       DBG("IPv6 prefix or gateway missing");
-                       return;
+               if (config->ipv6_prefix_length == 0) {
+                       DBG("IPv6 prefix missing");
+                       return -EINVAL;
                }
 
                address = connman_ipaddress_alloc(AF_INET6);
-               if (address == NULL)
-                       return;
+               if (!address)
+                       return -ENOENT;
 
                connman_ipaddress_set_ipv6(address, config->ipv6_address,
                                        config->ipv6_prefix_length,
@@ -1105,16 +1158,16 @@ static void provision_service(gpointer key, gpointer value,
                connman_ipaddress_free(address);
        }
 
-       if (config->ipv6_privacy != NULL) {
+       if (config->ipv6_privacy) {
                struct connman_ipconfig *ipconfig;
 
                ipconfig = __connman_service_get_ip6config(service);
-               if (ipconfig != NULL)
+               if (ipconfig)
                        __connman_ipconfig_ipv6_set_privacy(ipconfig,
                                                        config->ipv6_privacy);
        }
 
-       if (config->ipv4_address == NULL) {
+       if (!config->ipv4_address) {
                connman_network_set_ipv4_method(network,
                                                CONNMAN_IPCONFIG_METHOD_DHCP);
        } else if (g_ascii_strcasecmp(config->ipv4_address, "off") == 0) {
@@ -1127,15 +1180,14 @@ static void provision_service(gpointer key, gpointer value,
        } else {
                struct connman_ipaddress *address;
 
-               if (config->ipv4_netmask == 0 ||
-                                       config->ipv4_gateway == NULL) {
-                       DBG("IPv4 netmask or gateway missing");
-                       return;
+               if (!config->ipv4_netmask) {
+                       DBG("IPv4 netmask missing");
+                       return -EINVAL;
                }
 
                address = connman_ipaddress_alloc(AF_INET);
-               if (address == NULL)
-                       return;
+               if (!address)
+                       return -ENOENT;
 
                connman_ipaddress_set_ipv4(address, config->ipv4_address,
                                        config->ipv4_netmask,
@@ -1158,48 +1210,49 @@ static void provision_service(gpointer key, gpointer value,
                g_slist_prepend(config->service_identifiers,
                                g_strdup(service_id));
 
-       if (config->virtual == FALSE)
-               __connman_service_set_immutable(service, TRUE);
+       if (!config->virtual)
+               __connman_service_set_immutable(service, true);
 
-       __connman_service_set_favorite_delayed(service, TRUE, TRUE);
+       __connman_service_set_favorite_delayed(service, true, true);
 
        __connman_service_set_config(service, config->config_ident,
                                                config->config_entry);
 
-       if (config->domain_name != NULL)
+       if (config->domain_name)
                __connman_service_set_domainname(service, config->domain_name);
 
-       if (config->nameservers != NULL) {
+       if (config->nameservers) {
                int i;
 
                __connman_service_nameserver_clear(service);
 
-               for (i = 0; config->nameservers[i] != NULL; i++) {
+               for (i = 0; config->nameservers[i]; i++) {
                        __connman_service_nameserver_append(service,
-                                               config->nameservers[i], FALSE);
+                                               config->nameservers[i], false);
                }
        }
 
-       if (config->search_domains != NULL)
+       if (config->search_domains)
                __connman_service_set_search_domains(service,
                                                config->search_domains);
 
-       if (config->timeservers != NULL)
+       if (config->timeservers)
                __connman_service_set_timeservers(service,
                                                config->timeservers);
 
        if (g_strcmp0(config->type, "wifi") == 0 &&
                                type == CONNMAN_SERVICE_TYPE_WIFI) {
-               provision_service_wifi(key, config, service, network,
+               provision_service_wifi(config, service, network,
                                                        ssid, ssid_len);
        } else
-               __connman_service_connect(service);
+               __connman_service_connect(service,
+                                       CONNMAN_SERVICE_CONNECT_REASON_AUTO);
 
        __connman_service_mark_dirty();
 
-       __connman_service_save(service);
+       __connman_service_load_modifiable(service);
 
-       if (config->virtual == TRUE) {
+       if (config->virtual) {
                struct connect_virtual *virtual;
 
                virtual = g_malloc0(sizeof(struct connect_virtual));
@@ -1208,34 +1261,47 @@ static void provision_service(gpointer key, gpointer value,
 
                g_timeout_add(0, remove_virtual_config, virtual);
        } else
-               __connman_service_auto_connect();
+               __connman_service_auto_connect(CONNMAN_SERVICE_CONNECT_REASON_AUTO);
+
+       return 0;
+}
+
+static int find_and_provision_service(struct connman_service *service)
+{
+       GHashTableIter iter, iter_service;
+       gpointer value, key, value_service, key_service;
+
+       g_hash_table_iter_init(&iter, config_table);
+
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
+               struct connman_config *config = value;
+
+               g_hash_table_iter_init(&iter_service, config->service_table);
+               while (g_hash_table_iter_next(&iter_service, &key_service,
+                                               &value_service)) {
+                       if (!try_provision_service(value_service, service))
+                               return 0;
+               }
+       }
+
+       return -ENOENT;
 }
 
 int __connman_config_provision_service(struct connman_service *service)
 {
        enum connman_service_type type;
-       GHashTableIter iter;
-       gpointer value, key;
 
-       /* For now only WiFi and Ethernet services are supported */
+       /* For now only WiFi, Gadget and Ethernet services are supported */
        type = connman_service_get_type(service);
 
        DBG("service %p type %d", service, type);
 
        if (type != CONNMAN_SERVICE_TYPE_WIFI &&
-                                       type != CONNMAN_SERVICE_TYPE_ETHERNET)
+                       type != CONNMAN_SERVICE_TYPE_ETHERNET &&
+                       type != CONNMAN_SERVICE_TYPE_GADGET)
                return -ENOSYS;
 
-       g_hash_table_iter_init(&iter, config_table);
-
-       while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
-               struct connman_config *config = value;
-
-               g_hash_table_foreach(config->service_table,
-                                               provision_service, service);
-       }
-
-       return 0;
+       return find_and_provision_service(service);
 }
 
 int __connman_config_provision_service_ident(struct connman_service *service,
@@ -1245,20 +1311,21 @@ int __connman_config_provision_service_ident(struct connman_service *service,
        struct connman_config *config;
        int ret = 0;
 
-       /* For now only WiFi and Ethernet services are supported */
+       /* For now only WiFi, Gadget and Ethernet services are supported */
        type = connman_service_get_type(service);
 
        DBG("service %p type %d", service, type);
 
        if (type != CONNMAN_SERVICE_TYPE_WIFI &&
-                                       type != CONNMAN_SERVICE_TYPE_ETHERNET)
+                       type != CONNMAN_SERVICE_TYPE_ETHERNET &&
+                       type != CONNMAN_SERVICE_TYPE_GADGET)
                return -ENOSYS;
 
        config = g_hash_table_lookup(config_table, ident);
-       if (config != NULL) {
+       if (config) {
                GHashTableIter iter;
                gpointer value, key;
-               gboolean found = FALSE;
+               bool found = false;
 
                g_hash_table_iter_init(&iter, config->service_table);
 
@@ -1266,9 +1333,9 @@ int __connman_config_provision_service_ident(struct connman_service *service,
                 * Check if we need to remove individual service if it
                 * is missing from config file.
                 */
-               if (file != NULL && entry != NULL) {
+               if (file && entry) {
                        while (g_hash_table_iter_next(&iter, &key,
-                                                       &value) == TRUE) {
+                                                       &value)) {
                                struct connman_config_service *config_service;
 
                                config_service = value;
@@ -1281,14 +1348,14 @@ int __connman_config_provision_service_ident(struct connman_service *service,
                                                                entry) != 0)
                                        continue;
 
-                               found = TRUE;
+                               found = true;
                                break;
                        }
 
                        DBG("found %d ident %s file %s entry %s", found, ident,
                                                                file, entry);
 
-                       if (found == FALSE) {
+                       if (!found) {
                                /*
                                 * The entry+8 will skip "service_" prefix
                                 */
@@ -1298,8 +1365,7 @@ int __connman_config_provision_service_ident(struct connman_service *service,
                        }
                }
 
-               g_hash_table_foreach(config->service_table,
-                                               provision_service, service);
+               find_and_provision_service(service);
        }
 
        return ret;
@@ -1337,16 +1403,16 @@ int connman_config_provision_mutable_service(GKeyFile *keyfile)
        vfile = g_strdup_printf("service_mutable_%s.config", rstr);
 
        config = create_config(vfile);
-       if (config == NULL)
+       if (!config)
                return -ENOMEM;
 
-       if (load_service_from_keyfile(keyfile, config) == FALSE)
+       if (!load_service_from_keyfile(keyfile, config))
                goto error;
 
        group = g_key_file_get_start_group(keyfile);
 
        service_config = g_hash_table_lookup(config->service_table, group+8);
-       if (service_config == NULL)
+       if (!service_config)
                goto error;
 
        /* Specific to non file based config: */
@@ -1355,7 +1421,7 @@ int connman_config_provision_mutable_service(GKeyFile *keyfile)
        g_free(service_config->config_entry);
        service_config->config_entry = NULL;
 
-       service_config->virtual = TRUE;
+       service_config->virtual = true;
        service_config->virtual_file = vfile;
 
        __connman_service_provision_changed(vfile);
@@ -1381,35 +1447,35 @@ struct connman_config_entry **connman_config_get_entries(const char *type)
        int i = 0, count;
 
        g_hash_table_iter_init(&iter_file, config_table);
-       while (g_hash_table_iter_next(&iter_file, &key, &value) == TRUE) {
+       while (g_hash_table_iter_next(&iter_file, &key, &value)) {
                struct connman_config *config_file = value;
 
                count = g_hash_table_size(config_file->service_table);
 
                entries = g_try_realloc(entries, (i + count + 1) *
                                        sizeof(struct connman_config_entry *));
-               if (entries == NULL)
+               if (!entries)
                        return NULL;
 
                g_hash_table_iter_init(&iter_config,
                                                config_file->service_table);
                while (g_hash_table_iter_next(&iter_config, &key,
-                                                       &value) == TRUE) {
+                                                       &value)) {
                        struct connman_config_service *config = value;
 
-                       if (type != NULL &&
+                       if (type &&
                                        g_strcmp0(config->type, type) != 0)
                                continue;
 
                        entries[i] = g_try_new0(struct connman_config_entry,
                                                1);
-                       if (entries[i] == NULL)
+                       if (!entries[i])
                                goto cleanup;
 
                        entries[i]->ident = g_strdup(config->ident);
                        entries[i]->name = g_strdup(config->name);
                        entries[i]->ssid = g_try_malloc0(config->ssid_len + 1);
-                       if (entries[i]->ssid == NULL)
+                       if (!entries[i]->ssid)
                                goto cleanup;
 
                        memcpy(entries[i]->ssid, config->ssid,
@@ -1421,10 +1487,10 @@ struct connman_config_entry **connman_config_get_entries(const char *type)
                }
        }
 
-       if (entries != NULL) {
+       if (entries) {
                entries = g_try_realloc(entries, (i + 1) *
                                        sizeof(struct connman_config_entry *));
-               if (entries == NULL)
+               if (!entries)
                        return NULL;
 
                entries[i] = NULL;
@@ -1443,7 +1509,7 @@ void connman_config_free_entries(struct connman_config_entry **entries)
 {
        int i;
 
-       if (entries == NULL)
+       if (!entries)
                return;
 
        for (i = 0; entries[i]; i++) {
@@ -1456,3 +1522,31 @@ void connman_config_free_entries(struct connman_config_entry **entries)
        g_free(entries);
        return;
 }
+
+bool __connman_config_address_provisioned(const char *address,
+                                       const char *netmask)
+{
+       GHashTableIter iter, siter;
+       gpointer value, key, svalue, skey;
+
+       if (!address || !netmask)
+               return false;
+
+       g_hash_table_iter_init(&iter, config_table);
+
+       while (g_hash_table_iter_next(&iter, &key, &value)) {
+               struct connman_config *config = value;
+
+               g_hash_table_iter_init(&siter, config->service_table);
+               while (g_hash_table_iter_next(&siter, &skey, &svalue)) {
+                       struct connman_config_service *service = svalue;
+
+                       if (!g_strcmp0(address, service->ipv4_address) &&
+                                       !g_strcmp0(netmask,
+                                               service->ipv4_netmask))
+                               return true;
+               }
+       }
+
+       return false;
+}