/* * * Connection Manager * * Copyright (C) 2007-2010 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #ifndef IFF_LOWER_UP #define IFF_LOWER_UP 0x10000 #endif #include #include "connman.h" struct connman_ipconfig { gint refcount; int index; enum connman_ipconfig_type type; struct connman_ipconfig *origin; const struct connman_ipconfig_ops *ops; void *ops_data; enum connman_ipconfig_method method; struct connman_ipaddress *address; struct connman_ipaddress *system; struct connman_ipconfig *ipv6; }; struct connman_ipdevice { int index; char *ifname; unsigned short type; unsigned int flags; char *address; uint16_t mtu; uint32_t rx_packets; uint32_t tx_packets; uint32_t rx_bytes; uint32_t tx_bytes; uint32_t rx_errors; uint32_t tx_errors; uint32_t rx_dropped; uint32_t tx_dropped; GSList *address_list; char *ipv4_gateway; char *ipv6_gateway; char *pac; struct connman_ipconfig *config; struct connman_ipconfig_driver *driver; struct connman_ipconfig *driver_config; }; static GHashTable *ipdevice_hash = NULL; static GList *ipconfig_list = NULL; struct connman_ipaddress *connman_ipaddress_alloc(int family) { struct connman_ipaddress *ipaddress; ipaddress = g_try_new0(struct connman_ipaddress, 1); if (ipaddress == NULL) return NULL; ipaddress->family = family; ipaddress->prefixlen = 0; ipaddress->local = NULL; ipaddress->peer = NULL; ipaddress->broadcast = NULL; ipaddress->gateway = NULL; return ipaddress; } void connman_ipaddress_free(struct connman_ipaddress *ipaddress) { if (ipaddress == NULL) return; g_free(ipaddress->broadcast); g_free(ipaddress->peer); g_free(ipaddress->local); g_free(ipaddress->gateway); g_free(ipaddress); } static unsigned char netmask2prefixlen(const char *netmask) { unsigned char bits = 0; in_addr_t mask = inet_network(netmask); in_addr_t host = ~mask; /* a valid netmask must be 2^n - 1 */ if ((host & (host + 1)) != 0) return -1; for (; mask; mask <<= 1) ++bits; return bits; } static gboolean check_ipv6_address(const char *address) { unsigned char buf[sizeof(struct in6_addr)]; int err; err = inet_pton(AF_INET6, address, buf); if (err > 0) return TRUE; return FALSE; } int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress, const char *address, const char *gateway, unsigned char prefix_length) { if (ipaddress == NULL) return -EINVAL; if (check_ipv6_address(address) == FALSE) return -EINVAL; if (check_ipv6_address(gateway) == FALSE) return -EINVAL; DBG("prefix_len %d address %s gateway %s", prefix_length, address, gateway); ipaddress->prefixlen = prefix_length; g_free(ipaddress->local); ipaddress->local = g_strdup(address); g_free(ipaddress->gateway); ipaddress->gateway = g_strdup(gateway); return 0; } void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress, const char *address, const char *netmask, const char *gateway) { if (ipaddress == NULL) return; if (netmask != NULL) ipaddress->prefixlen = netmask2prefixlen(netmask); else ipaddress->prefixlen = 32; g_free(ipaddress->local); ipaddress->local = g_strdup(address); g_free(ipaddress->gateway); ipaddress->gateway = g_strdup(gateway); } void connman_ipaddress_clear(struct connman_ipaddress *ipaddress) { if (ipaddress == NULL) return; ipaddress->prefixlen = 0; g_free(ipaddress->local); ipaddress->local = NULL; g_free(ipaddress->peer); ipaddress->peer = NULL; g_free(ipaddress->broadcast); ipaddress->broadcast = NULL; g_free(ipaddress->gateway); ipaddress->gateway = NULL; } void connman_ipaddress_copy(struct connman_ipaddress *ipaddress, struct connman_ipaddress *source) { if (ipaddress == NULL || source == NULL) return; ipaddress->family = source->family; ipaddress->prefixlen = source->prefixlen; g_free(ipaddress->local); ipaddress->local = g_strdup(source->local); g_free(ipaddress->peer); ipaddress->peer = g_strdup(source->peer); g_free(ipaddress->broadcast); ipaddress->broadcast = g_strdup(source->broadcast); g_free(ipaddress->gateway); ipaddress->gateway = g_strdup(source->gateway); } static void free_address_list(struct connman_ipdevice *ipdevice) { GSList *list; for (list = ipdevice->address_list; list; list = list->next) { struct connman_ipaddress *ipaddress = list->data; connman_ipaddress_free(ipaddress); list->data = NULL; } g_slist_free(ipdevice->address_list); ipdevice->address_list = NULL; } static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice, unsigned char prefixlen, const char *local) { GSList *list; for (list = ipdevice->address_list; list; list = list->next) { struct connman_ipaddress *ipaddress = list->data; if (g_strcmp0(ipaddress->local, local) == 0 && ipaddress->prefixlen == prefixlen) return ipaddress; } return NULL; } static const char *type2str(unsigned short type) { switch (type) { case ARPHRD_ETHER: return "ETHER"; case ARPHRD_LOOPBACK: return "LOOPBACK"; case ARPHRD_PPP: return "PPP"; case ARPHRD_NONE: return "NONE"; case ARPHRD_VOID: return "VOID"; } return ""; } static const char *scope2str(unsigned char scope) { switch (scope) { case 0: return "UNIVERSE"; case 253: return "LINK"; } return ""; } static void free_ipdevice(gpointer data) { struct connman_ipdevice *ipdevice = data; connman_info("%s {remove} index %d", ipdevice->ifname, ipdevice->index); if (ipdevice->config != NULL) connman_ipconfig_unref(ipdevice->config); free_address_list(ipdevice); g_free(ipdevice->ipv4_gateway); g_free(ipdevice->ipv6_gateway); g_free(ipdevice->pac); g_free(ipdevice->address); g_free(ipdevice->ifname); g_free(ipdevice); } static GSList *driver_list = NULL; static gint compare_priority(gconstpointer a, gconstpointer b) { const struct connman_ipconfig_driver *driver1 = a; const struct connman_ipconfig_driver *driver2 = b; return driver2->priority - driver1->priority; } /** * connman_ipconfig_driver_register: * @driver: IP configuration driver * * Register a new IP configuration driver * * Returns: %0 on success */ int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver) { DBG("driver %p name %s", driver, driver->name); driver_list = g_slist_insert_sorted(driver_list, driver, compare_priority); return 0; } /** * connman_ipconfig_driver_unregister: * @driver: IP configuration driver * * Remove a previously registered IP configuration driver. */ void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver) { DBG("driver %p name %s", driver, driver->name); driver_list = g_slist_remove(driver_list, driver); } static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice) { GSList *list; DBG("ipconfig %p", ipdevice->config); if (ipdevice->config == NULL) return; switch (ipdevice->config->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_MANUAL: return; case CONNMAN_IPCONFIG_METHOD_DHCP: break; } if (ipdevice->driver != NULL) return; ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config); if (ipdevice->driver_config == NULL) return; for (list = driver_list; list; list = list->next) { struct connman_ipconfig_driver *driver = list->data; if (driver->request(ipdevice->driver_config) == 0) { ipdevice->driver = driver; break; } } if (ipdevice->driver == NULL) { connman_ipconfig_unref(ipdevice->driver_config); ipdevice->driver_config = NULL; } } static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice) { DBG("ipconfig %p", ipdevice->config); if (ipdevice->config == NULL) return; if (ipdevice->driver == NULL) return; ipdevice->driver->release(ipdevice->driver_config); ipdevice->driver = NULL; connman_ipconfig_unref(ipdevice->driver_config); ipdevice->driver_config = NULL; connman_inet_clear_address(ipdevice->index); connman_inet_clear_ipv6_address(ipdevice->index, ipdevice->driver_config->address->local, ipdevice->driver_config->address->prefixlen); } static void update_stats(struct connman_ipdevice *ipdevice, struct rtnl_link_stats *stats) { if (stats->rx_packets == 0 && stats->tx_packets == 0) return; connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname, stats->rx_packets, stats->rx_bytes); connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname, stats->tx_packets, stats->tx_bytes); if (ipdevice->config == NULL) return; ipdevice->rx_packets = stats->rx_packets; ipdevice->tx_packets = stats->tx_packets; ipdevice->rx_bytes = stats->rx_bytes; ipdevice->tx_bytes = stats->tx_bytes; ipdevice->rx_errors = stats->rx_errors; ipdevice->tx_errors = stats->tx_errors; ipdevice->rx_dropped = stats->rx_dropped; ipdevice->tx_dropped = stats->tx_dropped; __connman_counter_notify(ipdevice->config, ipdevice->rx_packets, ipdevice->tx_packets, ipdevice->rx_bytes, ipdevice->tx_bytes, ipdevice->rx_errors, ipdevice->tx_errors, ipdevice->rx_dropped, ipdevice->tx_dropped); } void __connman_ipconfig_newlink(int index, unsigned short type, unsigned int flags, const char *address, unsigned short mtu, struct rtnl_link_stats *stats) { struct connman_ipdevice *ipdevice; GList *list; GString *str; gboolean up = FALSE, down = FALSE; gboolean lower_up = FALSE, lower_down = FALSE; DBG("index %d", index); if (type == ARPHRD_LOOPBACK) return; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice != NULL) goto update; ipdevice = g_try_new0(struct connman_ipdevice, 1); if (ipdevice == NULL) return; ipdevice->index = index; ipdevice->ifname = connman_inet_ifname(index); ipdevice->type = type; ipdevice->address = g_strdup(address); g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice); connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname, index, type, type2str(type)); update: ipdevice->mtu = mtu; update_stats(ipdevice, stats); if (flags == ipdevice->flags) return; if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) { if (flags & IFF_UP) up = TRUE; else down = TRUE; } if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (flags & (IFF_RUNNING | IFF_LOWER_UP))) { if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == (IFF_RUNNING | IFF_LOWER_UP)) lower_up = TRUE; else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0) lower_down = TRUE; } ipdevice->flags = flags; str = g_string_new(NULL); if (str == NULL) return; if (flags & IFF_UP) g_string_append(str, "UP"); else g_string_append(str, "DOWN"); if (flags & IFF_RUNNING) g_string_append(str, ",RUNNING"); if (flags & IFF_LOWER_UP) g_string_append(str, ",LOWER_UP"); connman_info("%s {update} flags %u <%s>", ipdevice->ifname, flags, str->str); g_string_free(str, TRUE); for (list = g_list_first(ipconfig_list); list; list = g_list_next(list)) { struct connman_ipconfig *ipconfig = list->data; if (index != ipconfig->index) continue; if (ipconfig->ops == NULL) continue; if (up == TRUE && ipconfig->ops->up) ipconfig->ops->up(ipconfig); if (lower_up == TRUE && ipconfig->ops->lower_up) ipconfig->ops->lower_up(ipconfig); if (lower_down == TRUE && ipconfig->ops->lower_down) ipconfig->ops->lower_down(ipconfig); if (down == TRUE && ipconfig->ops->down) ipconfig->ops->down(ipconfig); } if (lower_up) __connman_ipconfig_lower_up(ipdevice); if (lower_down) __connman_ipconfig_lower_down(ipdevice); } void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats) { struct connman_ipdevice *ipdevice; GList *list; DBG("index %d", index); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return; update_stats(ipdevice, stats); for (list = g_list_first(ipconfig_list); list; list = g_list_next(list)) { struct connman_ipconfig *ipconfig = list->data; if (index != ipconfig->index) continue; ipconfig->index = -1; if (ipconfig->ops == NULL) continue; if (ipconfig->ops->lower_down) ipconfig->ops->lower_down(ipconfig); if (ipconfig->ops->down) ipconfig->ops->down(ipconfig); } __connman_ipconfig_lower_down(ipdevice); g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index)); } void __connman_ipconfig_newaddr(int index, int family, const char *label, unsigned char prefixlen, const char *address) { struct connman_ipdevice *ipdevice; struct connman_ipaddress *ipaddress; GList *list; DBG("index %d", index); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return; ipaddress = connman_ipaddress_alloc(family); if (ipaddress == NULL) return; ipaddress->prefixlen = prefixlen; ipaddress->local = g_strdup(address); ipdevice->address_list = g_slist_append(ipdevice->address_list, ipaddress); connman_info("%s {add} address %s/%u label %s", ipdevice->ifname, address, prefixlen, label); if (ipdevice->config != NULL) { if (family == AF_INET6 && ipdevice->config->ipv6 != NULL) connman_ipaddress_copy(ipdevice->config->ipv6->system, ipaddress); else connman_ipaddress_copy(ipdevice->config->system, ipaddress); } if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP)) return; if (g_slist_length(ipdevice->address_list) > 1) return; for (list = g_list_first(ipconfig_list); list; list = g_list_next(list)) { struct connman_ipconfig *ipconfig = list->data; if (index != ipconfig->index) continue; if (ipconfig->ops == NULL) continue; if (ipconfig->ops->ip_bound) ipconfig->ops->ip_bound(ipconfig); } } void __connman_ipconfig_deladdr(int index, int family, const char *label, unsigned char prefixlen, const char *address) { struct connman_ipdevice *ipdevice; struct connman_ipaddress *ipaddress; GList *list; DBG("index %d", index); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return; ipaddress = find_ipaddress(ipdevice, prefixlen, address); if (ipaddress == NULL) return; ipdevice->address_list = g_slist_remove(ipdevice->address_list, ipaddress); connman_ipaddress_free(ipaddress); connman_info("%s {del} address %s/%u label %s", ipdevice->ifname, address, prefixlen, label); if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP)) return; if (g_slist_length(ipdevice->address_list) > 0) return; for (list = g_list_first(ipconfig_list); list; list = g_list_next(list)) { struct connman_ipconfig *ipconfig = list->data; if (index != ipconfig->index) continue; if (ipconfig->ops == NULL) continue; if (ipconfig->ops->ip_release) ipconfig->ops->ip_release(ipconfig); } } void __connman_ipconfig_newroute(int index, int family, unsigned char scope, const char *dst, const char *gateway) { struct connman_ipdevice *ipdevice; DBG("index %d", index); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return; if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) { GSList *list; if (family == AF_INET6) { g_free(ipdevice->ipv6_gateway); ipdevice->ipv6_gateway = g_strdup(gateway); } else { g_free(ipdevice->ipv4_gateway); ipdevice->ipv4_gateway = g_strdup(gateway); } if (ipdevice->config != NULL && ipdevice->config->system != NULL) { g_free(ipdevice->config->system->gateway); ipdevice->config->system->gateway = g_strdup(gateway); } for (list = ipdevice->address_list; list; list = list->next) { struct connman_ipaddress *ipaddress = list->data; g_free(ipaddress->gateway); ipaddress->gateway = g_strdup(gateway); } } connman_info("%s {add} route %s gw %s scope %u <%s>", ipdevice->ifname, dst, gateway, scope, scope2str(scope)); } void __connman_ipconfig_delroute(int index, int family, unsigned char scope, const char *dst, const char *gateway) { struct connman_ipdevice *ipdevice; DBG("index %d", index); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return; if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) { GSList *list; if (family == AF_INET6) { g_free(ipdevice->ipv6_gateway); ipdevice->ipv6_gateway = NULL; } else { g_free(ipdevice->ipv4_gateway); ipdevice->ipv4_gateway = NULL; } if (ipdevice->config != NULL && ipdevice->config->system != NULL) { g_free(ipdevice->config->system->gateway); ipdevice->config->system->gateway = NULL; } for (list = ipdevice->address_list; list; list = list->next) { struct connman_ipaddress *ipaddress = list->data; g_free(ipaddress->gateway); ipaddress->gateway = NULL; } } connman_info("%s {del} route %s gw %s scope %u <%s>", ipdevice->ifname, dst, gateway, scope, scope2str(scope)); } void __connman_ipconfig_foreach(void (*function) (int index, void *user_data), void *user_data) { GList *list, *keys; keys = g_hash_table_get_keys(ipdevice_hash); if (keys == NULL) return; for (list = g_list_first(keys); list; list = g_list_next(list)) { int index = GPOINTER_TO_INT(list->data); function(index, user_data); } g_list_free(keys); } unsigned short __connman_ipconfig_get_type(int index) { struct connman_ipdevice *ipdevice; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return ARPHRD_VOID; return ipdevice->type; } unsigned int __connman_ipconfig_get_flags(int index) { struct connman_ipdevice *ipdevice; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return 0; return ipdevice->flags; } const char *__connman_ipconfig_get_gateway(int index) { struct connman_ipdevice *ipdevice; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return NULL; if (ipdevice->ipv4_gateway != NULL) return ipdevice->ipv4_gateway; if (ipdevice->config != NULL && ipdevice->config->address != NULL) return ipdevice->config->address->gateway; return NULL; } void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index) { ipconfig->index = index; if (ipconfig->ipv6 != NULL) ipconfig->ipv6->index = index; } static struct connman_ipconfig *create_ipv6config(int index) { struct connman_ipconfig *ipv6config; DBG("index %d", index); ipv6config = g_try_new0(struct connman_ipconfig, 1); if (ipv6config == NULL) return NULL; ipv6config->index = index; ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6; ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF; ipv6config->address = connman_ipaddress_alloc(AF_INET6); if (ipv6config->address == NULL) { g_free(ipv6config); return NULL; } ipv6config->system = connman_ipaddress_alloc(AF_INET6); ipv6config->ipv6 = NULL; DBG("ipconfig %p", ipv6config); return ipv6config; } /** * connman_ipconfig_create: * * Allocate a new ipconfig structure. * * Returns: a newly-allocated #connman_ipconfig structure */ struct connman_ipconfig *connman_ipconfig_create(int index) { struct connman_ipconfig *ipconfig; DBG("index %d", index); ipconfig = g_try_new0(struct connman_ipconfig, 1); if (ipconfig == NULL) return NULL; ipconfig->refcount = 1; ipconfig->index = index; ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4; ipconfig->address = connman_ipaddress_alloc(AF_INET); if (ipconfig->address == NULL) { g_free(ipconfig); return NULL; } ipconfig->system = connman_ipaddress_alloc(AF_INET); ipconfig->ipv6 = create_ipv6config(index); DBG("ipconfig %p", ipconfig); return ipconfig; } /** * connman_ipconfig_clone: * * Clone an ipconfig structure and create new reference. * * Returns: a newly-allocated #connman_ipconfig structure */ struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig) { struct connman_ipconfig *ipconfig_clone; DBG("ipconfig %p", ipconfig); ipconfig_clone = g_try_new0(struct connman_ipconfig, 1); if (ipconfig_clone == NULL) return NULL; ipconfig_clone->refcount = 1; ipconfig_clone->origin = connman_ipconfig_ref(ipconfig); ipconfig_clone->index = -1; return ipconfig_clone; } /** * connman_ipconfig_ref: * @ipconfig: ipconfig structure * * Increase reference counter of ipconfig */ struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig) { g_atomic_int_inc(&ipconfig->refcount); return ipconfig; } static void free_ipv6config(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return; connman_ipconfig_set_ops(ipconfig, NULL); connman_ipaddress_free(ipconfig->system); connman_ipaddress_free(ipconfig->address); g_free(ipconfig->ipv6); } /** * connman_ipconfig_unref: * @ipconfig: ipconfig structure * * Decrease reference counter of ipconfig */ void connman_ipconfig_unref(struct connman_ipconfig *ipconfig) { if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) { __connman_ipconfig_disable(ipconfig); connman_ipconfig_set_ops(ipconfig, NULL); if (ipconfig->origin != NULL) { connman_ipconfig_unref(ipconfig->origin); ipconfig->origin = NULL; } connman_ipaddress_free(ipconfig->system); connman_ipaddress_free(ipconfig->address); free_ipv6config(ipconfig->ipv6); g_free(ipconfig); } } /** * connman_ipconfig_get_data: * @ipconfig: ipconfig structure * * Get private data pointer */ void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig) { return ipconfig->ops_data; } /** * connman_ipconfig_set_data: * @ipconfig: ipconfig structure * @data: data pointer * * Set private data pointer */ void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data) { ipconfig->ops_data = data; } /** * connman_ipconfig_get_index: * @ipconfig: ipconfig structure * * Get interface index */ int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return -1; if (ipconfig->origin != NULL) return ipconfig->origin->index; return ipconfig->index; } /** * connman_ipconfig_get_ifname: * @ipconfig: ipconfig structure * * Get interface name */ const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; if (ipconfig == NULL) return NULL; if (ipconfig->index < 0) return NULL; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return NULL; return ipdevice->ifname; } /** * connman_ipconfig_set_ops: * @ipconfig: ipconfig structure * @ops: operation callbacks * * Set the operation callbacks */ void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig, const struct connman_ipconfig_ops *ops) { ipconfig->ops = ops; } struct connman_ipconfig *connman_ipconfig_get_ipv6config( struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return NULL; return ipconfig->ipv6; } /** * connman_ipconfig_set_method: * @ipconfig: ipconfig structure * @method: configuration method * * Set the configuration method */ int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig, enum connman_ipconfig_method method) { ipconfig->method = method; return 0; } enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return CONNMAN_IPCONFIG_METHOD_UNKNOWN; return ipconfig->method; } /** * connman_ipconfig_bind: * @ipconfig: ipconfig structure * @ipaddress: ipaddress structure * * Bind IP address details to configuration */ void connman_ipconfig_bind(struct connman_ipconfig *ipconfig, struct connman_ipaddress *ipaddress) { struct connman_ipconfig *origin; origin = ipconfig->origin ? ipconfig->origin : ipconfig; connman_ipaddress_copy(origin->address, ipaddress); connman_inet_set_address(origin->index, origin->address); } void __connman_ipconfig_set_element_ipv6_gateway( struct connman_ipconfig *ipconfig, struct connman_element *element) { element->ipv6.gateway = ipconfig->ipv6->address->gateway; } /* * FIXME: The element soulution should be removed in the future * Set IPv4 and IPv6 gateway */ int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, struct connman_element *parent) { struct connman_element *connection; connection = connman_element_create(NULL); DBG("ipconfig %p", ipconfig); connection->type = CONNMAN_ELEMENT_TYPE_CONNECTION; connection->index = ipconfig->index; connection->ipv4.gateway = ipconfig->address->gateway; connection->ipv6.gateway = ipconfig->ipv6->address->gateway; if (connman_element_register(connection, parent) < 0) connman_element_unref(connection); return 0; } int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig) { DBG(""); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: break; case CONNMAN_IPCONFIG_METHOD_MANUAL: if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) return connman_inet_set_address(ipconfig->index, ipconfig->address); else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) return connman_inet_set_ipv6_address( ipconfig->index, ipconfig->address); } return 0; } int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig) { DBG(""); if (ipconfig == NULL) return 0; DBG("method %d", ipconfig->method); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: break; case CONNMAN_IPCONFIG_METHOD_MANUAL: if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) return connman_inet_clear_address(ipconfig->index); else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) return connman_inet_clear_ipv6_address( ipconfig->index, ipconfig->address->local, ipconfig->address->prefixlen); } return 0; } int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig, const char *url) { struct connman_ipdevice *ipdevice; DBG("ipconfig %p", ipconfig); if (ipconfig == NULL || ipconfig->index < 0) return -ENODEV; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return -ENXIO; g_free(ipdevice->pac); ipdevice->pac = g_strdup(url); return 0; } const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; DBG("ipconfig %p", ipconfig); if (ipconfig == NULL || ipconfig->index < 0) return NULL; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return NULL; return ipdevice->pac; } int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; gboolean up = FALSE, down = FALSE; gboolean lower_up = FALSE, lower_down = FALSE; DBG("ipconfig %p", ipconfig); if (ipconfig == NULL || ipconfig->index < 0) return -ENODEV; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return -ENXIO; if (ipdevice->config == ipconfig) return -EALREADY; if (ipdevice->config != NULL) { ipconfig_list = g_list_remove(ipconfig_list, ipconfig); connman_ipaddress_clear(ipdevice->config->system); connman_ipconfig_unref(ipdevice->config); } ipdevice->config = connman_ipconfig_ref(ipconfig); ipconfig_list = g_list_append(ipconfig_list, ipconfig); if (ipdevice->flags & IFF_UP) up = TRUE; else down = TRUE; if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == (IFF_RUNNING | IFF_LOWER_UP)) lower_up = TRUE; else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0) lower_down = TRUE; if (up == TRUE && ipconfig->ops->up) ipconfig->ops->up(ipconfig); if (lower_up == TRUE && ipconfig->ops->lower_up) ipconfig->ops->lower_up(ipconfig); if (lower_down == TRUE && ipconfig->ops->lower_down) ipconfig->ops->lower_down(ipconfig); if (down == TRUE && ipconfig->ops->down) ipconfig->ops->down(ipconfig); return 0; } int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; DBG("ipconfig %p", ipconfig); if (ipconfig == NULL || ipconfig->index < 0) return -ENODEV; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return -ENXIO; if (ipdevice->config == NULL || ipdevice->config != ipconfig) return -EINVAL; ipconfig_list = g_list_remove(ipconfig_list, ipconfig); connman_ipaddress_clear(ipdevice->config->system); connman_ipaddress_clear(ipdevice->config->ipv6->system); connman_ipconfig_unref(ipdevice->config); ipdevice->config = NULL; return 0; } const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method) { switch (method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: break; case CONNMAN_IPCONFIG_METHOD_OFF: return "off"; case CONNMAN_IPCONFIG_METHOD_FIXED: return "fixed"; case CONNMAN_IPCONFIG_METHOD_MANUAL: return "manual"; case CONNMAN_IPCONFIG_METHOD_DHCP: return "dhcp"; } return NULL; } enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method) { if (g_strcmp0(method, "off") == 0) return CONNMAN_IPCONFIG_METHOD_OFF; else if (g_strcmp0(method, "fixed") == 0) return CONNMAN_IPCONFIG_METHOD_FIXED; else if (g_strcmp0(method, "manual") == 0) return CONNMAN_IPCONFIG_METHOD_MANUAL; else if (g_strcmp0(method, "dhcp") == 0) return CONNMAN_IPCONFIG_METHOD_DHCP; else return CONNMAN_IPCONFIG_METHOD_UNKNOWN; } void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { const char *str; DBG(""); str = __connman_ipconfig_method2string(ipconfig->method); if (str == NULL) return; connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str); if (ipconfig->system == NULL) return; if (ipconfig->system->local != NULL) { in_addr_t addr; struct in_addr netmask; char *mask; connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &ipconfig->system->local); addr = 0xffffffff << (32 - ipconfig->system->prefixlen); netmask.s_addr = htonl(addr); mask = inet_ntoa(netmask); connman_dbus_dict_append_basic(iter, "Netmask", DBUS_TYPE_STRING, &mask); } if (ipconfig->system->gateway != NULL) connman_dbus_dict_append_basic(iter, "Gateway", DBUS_TYPE_STRING, &ipconfig->system->gateway); } void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { const char *str; DBG(""); str = __connman_ipconfig_method2string(ipconfig->method); if (str == NULL) return; connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str); if (ipconfig->system == NULL) return; if (ipconfig->system->local != NULL) { connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &ipconfig->system->local); connman_dbus_dict_append_basic(iter, "PrefixLength", DBUS_TYPE_BYTE, &ipconfig->system->prefixlen); } if (ipconfig->system->gateway != NULL) connman_dbus_dict_append_basic(iter, "Gateway", DBUS_TYPE_STRING, &ipconfig->system->gateway); } void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { const char *str; DBG(""); str = __connman_ipconfig_method2string(ipconfig->method); if (str == NULL) return; connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_DHCP: return; case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_MANUAL: break; } if (ipconfig->address == NULL) return; if (ipconfig->address->local != NULL) { connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &ipconfig->address->local); connman_dbus_dict_append_basic(iter, "PrefixLength", DBUS_TYPE_BYTE, &ipconfig->address->prefixlen); } if (ipconfig->address->gateway != NULL) connman_dbus_dict_append_basic(iter, "Gateway", DBUS_TYPE_STRING, &ipconfig->address->gateway); } void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { const char *str; DBG(""); str = __connman_ipconfig_method2string(ipconfig->method); if (str == NULL) return; connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: return; case CONNMAN_IPCONFIG_METHOD_MANUAL: break; } if (ipconfig->address == NULL) return; if (ipconfig->address->local != NULL) { in_addr_t addr; struct in_addr netmask; char *mask; connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &ipconfig->address->local); addr = 0xffffffff << (32 - ipconfig->address->prefixlen); netmask.s_addr = htonl(addr); mask = inet_ntoa(netmask); connman_dbus_dict_append_basic(iter, "Netmask", DBUS_TYPE_STRING, &mask); } if (ipconfig->address->gateway != NULL) connman_dbus_dict_append_basic(iter, "Gateway", DBUS_TYPE_STRING, &ipconfig->address->gateway); } int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig, enum connman_ipconfig_type type, DBusMessageIter *array) { enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN; const char *address = NULL, *netmask = NULL, *gateway = NULL, *prefix_length_string = NULL; int prefix_length = 0; DBusMessageIter dict; DBG("ipconfig %p type %d", ipconfig, type); if (type != CONNMAN_IPCONFIG_TYPE_IPV4 && type != CONNMAN_IPCONFIG_TYPE_IPV6) return -EINVAL; if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY) return -EINVAL; dbus_message_iter_recurse(array, &dict); while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) { DBusMessageIter entry; const char *key; int type; dbus_message_iter_recurse(&dict, &entry); if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&entry, &key); dbus_message_iter_next(&entry); type = dbus_message_iter_get_arg_type(&entry); if (g_str_equal(key, "Method") == TRUE) { const char *str; if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&entry, &str); method = __connman_ipconfig_string2method(str); } else if (g_str_equal(key, "Address") == TRUE) { if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&entry, &address); } else if (g_str_equal(key, "PrefixLength") == TRUE) { if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&entry, &prefix_length_string); prefix_length = atoi(prefix_length_string); if (prefix_length < 0 || prefix_length > 128) return -EINVAL; } else if (g_str_equal(key, "Netmask") == TRUE) { if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&entry, &netmask); } else if (g_str_equal(key, "Gateway") == TRUE) { if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&entry, &gateway); } dbus_message_iter_next(&dict); } DBG("method %d address %s netmask %s gateway %s prefix_length %d", method, address, netmask, gateway, prefix_length); switch (method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_FIXED: return -EINVAL; case CONNMAN_IPCONFIG_METHOD_MANUAL: if (address == NULL) return -EINVAL; ipconfig->method = method; if (type == CONNMAN_IPCONFIG_TYPE_IPV4) connman_ipaddress_set_ipv4(ipconfig->address, address, netmask, gateway); else return connman_ipaddress_set_ipv6( ipconfig->address, address, gateway, prefix_length); break; case CONNMAN_IPCONFIG_METHOD_DHCP: if (ipconfig->method == method) return 0; ipconfig->method = method; break; } return 0; } void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { struct connman_ipdevice *ipdevice; const char *method = "direct"; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) goto done; if (ipdevice->pac == NULL) goto done; method = "auto-config"; connman_dbus_dict_append_basic(iter, "URL", DBUS_TYPE_STRING, &ipdevice->pac); done: connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &method); } void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { struct connman_ipdevice *ipdevice; const char *method = "auto"; connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &method); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return; if (ipdevice->ifname != NULL) connman_dbus_dict_append_basic(iter, "Interface", DBUS_TYPE_STRING, &ipdevice->ifname); if (ipdevice->address != NULL) connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &ipdevice->address); if (ipdevice->mtu > 0) connman_dbus_dict_append_basic(iter, "MTU", DBUS_TYPE_UINT16, &ipdevice->mtu); } int __connman_ipconfig_load(struct connman_ipconfig *ipconfig, GKeyFile *keyfile, const char *identifier, const char *prefix) { const char *method; char *key; DBG("ipconfig %p identifier %s", ipconfig, identifier); key = g_strdup_printf("%smethod", prefix); method = g_key_file_get_string(keyfile, identifier, key, NULL); if (method == NULL) { if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP; else ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF; } else ipconfig->method = __connman_ipconfig_string2method(method); g_free(key); key = g_strdup_printf("%snetmask_prefixlen", prefix); ipconfig->address->prefixlen = g_key_file_get_integer( keyfile, identifier, key, NULL); g_free(key); key = g_strdup_printf("%slocal_address", prefix); ipconfig->address->local = g_key_file_get_string( keyfile, identifier, key, NULL); g_free(key); key = g_strdup_printf("%speer_address", prefix); ipconfig->address->peer = g_key_file_get_string( keyfile, identifier, key, NULL); g_free(key); key = g_strdup_printf("%sbroadcast_address", prefix); ipconfig->address->broadcast = g_key_file_get_string( keyfile, identifier, key, NULL); g_free(key); key = g_strdup_printf("%sgateway", prefix); ipconfig->address->gateway = g_key_file_get_string( keyfile, identifier, key, NULL); g_free(key); return 0; } int __connman_ipconfig_save(struct connman_ipconfig *ipconfig, GKeyFile *keyfile, const char *identifier, const char *prefix) { const char *method; char *key; DBG("ipconfig %p identifier %s", ipconfig, identifier); method = __connman_ipconfig_method2string(ipconfig->method); key = g_strdup_printf("%smethod", prefix); g_key_file_set_string(keyfile, identifier, key, method); g_free(key); key = g_strdup_printf("%snetmask_prefixlen", prefix); g_key_file_set_integer(keyfile, identifier, key, ipconfig->address->prefixlen); g_free(key); key = g_strdup_printf("%slocal_address", prefix); if (ipconfig->address->local != NULL) g_key_file_set_string(keyfile, identifier, key, ipconfig->address->local); g_free(key); key = g_strdup_printf("%speer_address", prefix); if (ipconfig->address->peer != NULL) g_key_file_set_string(keyfile, identifier, key, ipconfig->address->peer); g_free(key); key = g_strdup_printf("%sbroadcast_address", prefix); if (ipconfig->address->broadcast != NULL) g_key_file_set_string(keyfile, identifier, key, ipconfig->address->broadcast); g_free(key); key = g_strdup_printf("%sgateway", prefix); if (ipconfig->address->gateway != NULL) g_key_file_set_string(keyfile, identifier, key, ipconfig->address->gateway); g_free(key); return 0; } int __connman_ipconfig_init(void) { DBG(""); ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, free_ipdevice); return 0; } void __connman_ipconfig_cleanup(void) { DBG(""); g_hash_table_destroy(ipdevice_hash); ipdevice_hash = NULL; }