/* * * Connection Manager * * Copyright (C) 2007-2012 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 #include #include #ifndef IFF_LOWER_UP #define IFF_LOWER_UP 0x10000 #endif #include #include "connman.h" struct connman_ipconfig { int refcount; int index; enum connman_ipconfig_type type; struct connman_ipconfig *origin; const struct connman_ipconfig_ops *ops; void *ops_data; connman_bool_t enabled; enum connman_ipconfig_method method; struct connman_ipaddress *address; struct connman_ipaddress *system; int ipv6_privacy_config; char *last_dhcp_address; }; 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_ipv4; struct connman_ipconfig *config_ipv6; gboolean ipv6_enabled; int ipv6_privacy; }; static GHashTable *ipdevice_hash = NULL; static GList *ipconfig_list = NULL; static connman_bool_t is_ipv6_supported = FALSE; 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); } unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask) { unsigned char bits; in_addr_t mask; in_addr_t host; if (netmask == NULL) return 32; mask = inet_network(netmask); host = ~mask; /* a valid netmask must be 2^n - 1 */ if ((host & (host + 1)) != 0) return -1; bits = 0; for (; mask; mask <<= 1) ++bits; return bits; } static gboolean check_ipv6_address(const char *address) { unsigned char buf[sizeof(struct in6_addr)]; int err; if (address == NULL) return FALSE; 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, unsigned char prefix_length, const char *gateway) { if (ipaddress == NULL) return -EINVAL; if (check_ipv6_address(address) == FALSE) return -EINVAL; DBG("prefix_len %d address %s gateway %s", prefix_length, address, gateway); ipaddress->family = AF_INET6; ipaddress->prefixlen = prefix_length; g_free(ipaddress->local); ipaddress->local = g_strdup(address); g_free(ipaddress->gateway); ipaddress->gateway = g_strdup(gateway); return 0; } int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress, const char *address, const char *netmask, const char *gateway) { if (ipaddress == NULL) return -EINVAL; ipaddress->family = AF_INET; ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask); g_free(ipaddress->local); ipaddress->local = g_strdup(address); g_free(ipaddress->gateway); ipaddress->gateway = g_strdup(gateway); return 0; } void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress, const char *peer) { if (ipaddress == NULL) return; g_free(ipaddress->peer); ipaddress->peer = g_strdup(peer); } 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; } const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type) { switch (type) { case CONNMAN_IPCONFIG_TYPE_UNKNOWN: return "unknown"; case CONNMAN_IPCONFIG_TYPE_IPV4: return "IPv4"; case CONNMAN_IPCONFIG_TYPE_IPV6: return "IPv6"; } 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 gboolean get_ipv6_state(gchar *ifname) { int disabled; gchar *path; FILE *f; gboolean enabled = FALSE; if (ifname == NULL) path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6"); else path = g_strdup_printf( "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname); if (path == NULL) return enabled; f = fopen(path, "r"); g_free(path); if (f != NULL) { if (fscanf(f, "%d", &disabled) > 0) enabled = !disabled; fclose(f); } return enabled; } static void set_ipv6_state(gchar *ifname, gboolean enable) { gchar *path; FILE *f; if (ifname == NULL) path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6"); else path = g_strdup_printf( "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname); if (path == NULL) return; f = fopen(path, "r+"); g_free(path); if (f == NULL) return; if (enable == FALSE) fprintf(f, "1"); else fprintf(f, "0"); fclose(f); } static int get_ipv6_privacy(gchar *ifname) { gchar *path; FILE *f; int value; if (ifname == NULL) return 0; path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr", ifname); if (path == NULL) return 0; f = fopen(path, "r"); g_free(path); if (f == NULL) return 0; if (fscanf(f, "%d", &value) <= 0) value = 0; fclose(f); return value; } /* Enable the IPv6 privacy extension for stateless address autoconfiguration. * The privacy extension is described in RFC 3041 and RFC 4941 */ static void set_ipv6_privacy(gchar *ifname, int value) { gchar *path; FILE *f; if (ifname == NULL) return; path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr", ifname); if (path == NULL) return; if (value < 0) value = 0; f = fopen(path, "r+"); g_free(path); if (f == NULL) return; fprintf(f, "%d", value); fclose(f); } static int get_rp_filter() { FILE *f; int value = -EINVAL, tmp; f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r"); if (f != NULL) { if (fscanf(f, "%d", &tmp) == 1) value = tmp; fclose(f); } return value; } static void set_rp_filter(int value) { FILE *f; f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+"); if (f == NULL) return; fprintf(f, "%d", value); fclose(f); } int __connman_ipconfig_set_rp_filter() { int value; value = get_rp_filter(); if (value < 0) return value; set_rp_filter(2); connman_info("rp_filter set to 2 (loose mode routing), " "old value was %d", value); return value; } void __connman_ipconfig_unset_rp_filter(int old_value) { set_rp_filter(old_value); connman_info("rp_filter restored to %d", old_value); } gboolean __connman_ipconfig_ipv6_privacy_enabled(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return FALSE; return ipconfig->ipv6_privacy_config == 0 ? FALSE : TRUE; } static void free_ipdevice(gpointer data) { struct connman_ipdevice *ipdevice = data; connman_info("%s {remove} index %d", ipdevice->ifname, ipdevice->index); if (ipdevice->config_ipv4 != NULL) { __connman_ipconfig_unref(ipdevice->config_ipv4); ipdevice->config_ipv4 = NULL; } if (ipdevice->config_ipv6 != NULL) { __connman_ipconfig_unref(ipdevice->config_ipv6); ipdevice->config_ipv6 = NULL; } free_address_list(ipdevice); g_free(ipdevice->ipv4_gateway); g_free(ipdevice->ipv6_gateway); g_free(ipdevice->pac); g_free(ipdevice->address); set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled); set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy); g_free(ipdevice->ifname); g_free(ipdevice); } static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice) { DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4, ipdevice->config_ipv6); if (ipdevice->config_ipv6 != NULL && ipdevice->config_ipv6->enabled == TRUE) return; if (__connman_device_isfiltered(ipdevice->ifname) == FALSE) { ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname); set_ipv6_state(ipdevice->ifname, FALSE); } } static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice) { DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4, ipdevice->config_ipv6); if (ipdevice->config_ipv4) connman_inet_clear_address(ipdevice->index, ipdevice->config_ipv4->address); if (ipdevice->config_ipv6) connman_inet_clear_ipv6_address(ipdevice->index, ipdevice->config_ipv6->address->local, ipdevice->config_ipv6->address->prefixlen); } static void update_stats(struct connman_ipdevice *ipdevice, struct rtnl_link_stats *stats) { struct connman_service *service; 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_ipv4 == NULL && ipdevice->config_ipv6 == NULL) return; if (ipdevice->config_ipv4) service = __connman_ipconfig_get_data(ipdevice->config_ipv4); else if (ipdevice->config_ipv6) service = __connman_ipconfig_get_data(ipdevice->config_ipv6); else return; if (service == 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_service_notify(service, 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) { char *ifname = connman_inet_ifname(index); if (g_strcmp0(ipdevice->ifname, ifname) != 0) { DBG("interface name changed %s -> %s", ipdevice->ifname, ifname); g_free(ipdevice->ifname); ipdevice->ifname = ifname; } else g_free(ifname); 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->ipv6_enabled = get_ipv6_state(ipdevice->ifname); ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname); 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)); } static inline gint check_duplicate_address(gconstpointer a, gconstpointer b) { const struct connman_ipaddress *addr1 = a; const struct connman_ipaddress *addr2 = b; if (addr1->prefixlen != addr2->prefixlen) return addr2->prefixlen - addr1->prefixlen; return g_strcmp0(addr1->local, addr2->local); } 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; enum connman_ipconfig_type type; 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); if (g_slist_find_custom(ipdevice->address_list, ipaddress, check_duplicate_address)) { connman_ipaddress_free(ipaddress); return; } if (family == AF_INET) type = CONNMAN_IPCONFIG_TYPE_IPV4; else if (family == AF_INET6) type = CONNMAN_IPCONFIG_TYPE_IPV6; else return; ipdevice->address_list = g_slist_prepend(ipdevice->address_list, ipaddress); connman_info("%s {add} address %s/%u label %s family %d", ipdevice->ifname, address, prefixlen, label, family); if (type == CONNMAN_IPCONFIG_TYPE_IPV4) __connman_ippool_newaddr(index, address, prefixlen); if (ipdevice->config_ipv4 != NULL && family == AF_INET) connman_ipaddress_copy(ipdevice->config_ipv4->system, ipaddress); else if (ipdevice->config_ipv6 != NULL && family == AF_INET6) connman_ipaddress_copy(ipdevice->config_ipv6->system, ipaddress); else return; if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP)) 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 (type != ipconfig->type) 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; enum connman_ipconfig_type type; 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; if (family == AF_INET) type = CONNMAN_IPCONFIG_TYPE_IPV4; else if (family == AF_INET6) type = CONNMAN_IPCONFIG_TYPE_IPV6; else return; ipdevice->address_list = g_slist_remove(ipdevice->address_list, ipaddress); if (type == CONNMAN_IPCONFIG_TYPE_IPV4) __connman_ippool_deladdr(index, address, prefixlen); connman_ipaddress_clear(ipaddress); g_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 (type != ipconfig->type) 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 || g_strcmp0(dst, "::") == 0)) { GList *config_list; enum connman_ipconfig_type type; if (family == AF_INET6) { type = CONNMAN_IPCONFIG_TYPE_IPV6; g_free(ipdevice->ipv6_gateway); ipdevice->ipv6_gateway = g_strdup(gateway); if (ipdevice->config_ipv6 != NULL && ipdevice->config_ipv6->system != NULL) { g_free(ipdevice->config_ipv6->system->gateway); ipdevice->config_ipv6->system->gateway = g_strdup(gateway); } } else if (family == AF_INET) { type = CONNMAN_IPCONFIG_TYPE_IPV4; g_free(ipdevice->ipv4_gateway); ipdevice->ipv4_gateway = g_strdup(gateway); if (ipdevice->config_ipv4 != NULL && ipdevice->config_ipv4->system != NULL) { g_free(ipdevice->config_ipv4->system->gateway); ipdevice->config_ipv4->system->gateway = g_strdup(gateway); } } else return; for (config_list = g_list_first(ipconfig_list); config_list; config_list = g_list_next(config_list)) { struct connman_ipconfig *ipconfig = config_list->data; if (index != ipconfig->index) continue; if (type != ipconfig->type) continue; if (ipconfig->ops == NULL) continue; if (ipconfig->ops->route_set) ipconfig->ops->route_set(ipconfig); } } 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 || g_strcmp0(dst, "::") == 0)) { GList *config_list; enum connman_ipconfig_type type; if (family == AF_INET6) { type = CONNMAN_IPCONFIG_TYPE_IPV6; g_free(ipdevice->ipv6_gateway); ipdevice->ipv6_gateway = NULL; if (ipdevice->config_ipv6 != NULL && ipdevice->config_ipv6->system != NULL) { g_free(ipdevice->config_ipv6->system->gateway); ipdevice->config_ipv6->system->gateway = NULL; } } else if (family == AF_INET) { type = CONNMAN_IPCONFIG_TYPE_IPV4; g_free(ipdevice->ipv4_gateway); ipdevice->ipv4_gateway = NULL; if (ipdevice->config_ipv4 != NULL && ipdevice->config_ipv4->system != NULL) { g_free(ipdevice->config_ipv4->system->gateway); ipdevice->config_ipv4->system->gateway = NULL; } } else return; for (config_list = g_list_first(ipconfig_list); config_list; config_list = g_list_next(config_list)) { struct connman_ipconfig *ipconfig = config_list->data; if (index != ipconfig->index) continue; if (type != ipconfig->type) continue; if (ipconfig->ops == NULL) continue; if (ipconfig->ops->route_unset) ipconfig->ops->route_unset(ipconfig); } } 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); } enum connman_ipconfig_type __connman_ipconfig_get_config_type( struct connman_ipconfig *ipconfig) { return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN; } unsigned short __connman_ipconfig_get_type_from_index(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_from_index(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_from_index(int index, enum connman_ipconfig_type type) { struct connman_ipdevice *ipdevice; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice == NULL) return NULL; if (type != CONNMAN_IPCONFIG_TYPE_IPV6) { if (ipdevice->ipv4_gateway != NULL) return ipdevice->ipv4_gateway; if (ipdevice->config_ipv4 != NULL && ipdevice->config_ipv4->address != NULL) return ipdevice->config_ipv4->address->gateway; } if (type != CONNMAN_IPCONFIG_TYPE_IPV4) { if (ipdevice->ipv6_gateway != NULL) return ipdevice->ipv6_gateway; if (ipdevice->config_ipv6 != NULL && ipdevice->config_ipv6->address != NULL) return ipdevice->config_ipv6->address->gateway; } return NULL; } void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index) { ipconfig->index = index; } const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig) { if (ipconfig->address == NULL) return NULL; return ipconfig->address->local; } void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address) { if (ipconfig->address == NULL) return; g_free(ipconfig->address->local); ipconfig->address->local = g_strdup(address); } const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig) { if (ipconfig->address == NULL) return NULL; return ipconfig->address->peer; } void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address) { if (ipconfig->address == NULL) return; g_free(ipconfig->address->peer); ipconfig->address->peer = g_strdup(address); } const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig) { if (ipconfig->address == NULL) return NULL; return ipconfig->address->broadcast; } void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast) { if (ipconfig->address == NULL) return; g_free(ipconfig->address->broadcast); ipconfig->address->broadcast = g_strdup(broadcast); } const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig) { if (ipconfig->address == NULL) return NULL; return ipconfig->address->gateway; } void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway) { DBG(""); if (ipconfig->address == NULL) return; g_free(ipconfig->address->gateway); ipconfig->address->gateway = g_strdup(gateway); } int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig) { struct connman_service *service; DBG(""); if (ipconfig->address == NULL) return -EINVAL; service = __connman_service_lookup_from_index(ipconfig->index); if (service == NULL) return -EINVAL; __connman_connection_gateway_remove(service, ipconfig->type); DBG("type %d gw %s peer %s", ipconfig->type, ipconfig->address->gateway, ipconfig->address->peer); if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 || ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) return __connman_connection_gateway_add(service, ipconfig->address->gateway, ipconfig->type, ipconfig->address->peer); return 0; } void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig) { struct connman_service *service; DBG(""); service = __connman_service_lookup_from_index(ipconfig->index); if (service != NULL) __connman_connection_gateway_remove(service, ipconfig->type); } unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig) { if (ipconfig->address == NULL) return 0; return ipconfig->address->prefixlen; } void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen) { if (ipconfig->address == NULL) return; ipconfig->address->prefixlen = prefixlen; } static struct connman_ipconfig *create_ipv6config(int index) { struct connman_ipconfig *ipv6config; struct connman_ipdevice *ipdevice; DBG("index %d", index); ipv6config = g_try_new0(struct connman_ipconfig, 1); if (ipv6config == NULL) return NULL; ipv6config->refcount = 1; ipv6config->index = index; ipv6config->enabled = FALSE; ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6; if (is_ipv6_supported == FALSE) ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF; else ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO; ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index)); if (ipdevice != NULL) ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy; ipv6config->address = connman_ipaddress_alloc(AF_INET6); if (ipv6config->address == NULL) { g_free(ipv6config); return NULL; } ipv6config->system = connman_ipaddress_alloc(AF_INET6); DBG("ipconfig %p method %s", ipv6config, __connman_ipconfig_method2string(ipv6config->method)); 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, enum connman_ipconfig_type type) { struct connman_ipconfig *ipconfig; if (type == CONNMAN_IPCONFIG_TYPE_IPV6) return create_ipv6config(index); DBG("index %d", index); ipconfig = g_try_new0(struct connman_ipconfig, 1); if (ipconfig == NULL) return NULL; ipconfig->refcount = 1; ipconfig->index = index; ipconfig->enabled = FALSE; 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); DBG("ipconfig %p", ipconfig); return ipconfig; } /** * connman_ipconfig_ref: * @ipconfig: ipconfig structure * * Increase reference counter of ipconfig */ struct connman_ipconfig * __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig, const char *file, int line, const char *caller) { DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1, file, line, caller); __sync_fetch_and_add(&ipconfig->refcount, 1); return ipconfig; } /** * connman_ipconfig_unref: * @ipconfig: ipconfig structure * * Decrease reference counter of ipconfig */ void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig, const char *file, int line, const char *caller) { if (ipconfig == NULL) return; DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1, file, line, caller); if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1) return; if (__connman_ipconfig_disable(ipconfig) < 0) ipconfig_list = g_list_remove(ipconfig_list, ipconfig); __connman_ipconfig_set_ops(ipconfig, NULL); if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) { __connman_ipconfig_unref(ipconfig->origin); ipconfig->origin = NULL; } connman_ipaddress_free(ipconfig->system); connman_ipaddress_free(ipconfig->address); g_free(ipconfig->last_dhcp_address); g_free(ipconfig); } /** * connman_ipconfig_get_data: * @ipconfig: ipconfig structure * * Get private data pointer */ void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return NULL; 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; } /** * 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; } int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig) { DBG(""); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: break; case CONNMAN_IPCONFIG_METHOD_AUTO: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: 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_address_remove(struct connman_ipconfig *ipconfig) { int err; DBG(""); if (ipconfig == NULL) return 0; DBG("method %d", ipconfig->method); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: break; case CONNMAN_IPCONFIG_METHOD_AUTO: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: case CONNMAN_IPCONFIG_METHOD_MANUAL: err = __connman_ipconfig_address_unset(ipconfig); connman_ipaddress_clear(ipconfig->address); return err; } return 0; } int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig) { int err; DBG(""); if (ipconfig == NULL) return 0; DBG("method %d", ipconfig->method); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: break; case CONNMAN_IPCONFIG_METHOD_AUTO: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: case CONNMAN_IPCONFIG_METHOD_MANUAL: if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) err = connman_inet_clear_address(ipconfig->index, ipconfig->address); else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) err = connman_inet_clear_ipv6_address( ipconfig->index, ipconfig->address->local, ipconfig->address->prefixlen); else err = -EINVAL; return err; } 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; } void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig, const char *address) { if (ipconfig == NULL) return; g_free(ipconfig->last_dhcp_address); ipconfig->last_dhcp_address = g_strdup(address); } char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return NULL; return ipconfig->last_dhcp_address; } static void disable_ipv6(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; DBG(""); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return; set_ipv6_state(ipdevice->ifname, FALSE); } static void enable_ipv6(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; DBG(""); ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(ipconfig->index)); if (ipdevice == NULL) return; if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) set_ipv6_privacy(ipdevice->ifname, ipconfig->ipv6_privacy_config); set_ipv6_state(ipdevice->ifname, TRUE); } void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6) return; enable_ipv6(ipconfig); } void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6) return; disable_ipv6(ipconfig); } connman_bool_t __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig) { if (ipconfig == NULL) return FALSE; switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: return FALSE; case CONNMAN_IPCONFIG_METHOD_AUTO: case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_DHCP: case CONNMAN_IPCONFIG_METHOD_MANUAL: break; } return TRUE; } int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig) { struct connman_ipdevice *ipdevice; gboolean up = FALSE, down = FALSE; gboolean lower_up = FALSE, lower_down = FALSE; enum connman_ipconfig_type type; 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 (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) { if (ipdevice->config_ipv4 == ipconfig) return -EALREADY; type = CONNMAN_IPCONFIG_TYPE_IPV4; } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) { if (ipdevice->config_ipv6 == ipconfig) return -EALREADY; type = CONNMAN_IPCONFIG_TYPE_IPV6; enable_ipv6(ipconfig); } else return -EINVAL; ipconfig->enabled = TRUE; if (type == CONNMAN_IPCONFIG_TYPE_IPV4 && ipdevice->config_ipv4 != NULL) { ipconfig_list = g_list_remove(ipconfig_list, ipdevice->config_ipv4); connman_ipaddress_clear(ipdevice->config_ipv4->system); __connman_ipconfig_unref(ipdevice->config_ipv4); } if (type == CONNMAN_IPCONFIG_TYPE_IPV6 && ipdevice->config_ipv6 != NULL) { ipconfig_list = g_list_remove(ipconfig_list, ipdevice->config_ipv6); connman_ipaddress_clear(ipdevice->config_ipv6->system); __connman_ipconfig_unref(ipdevice->config_ipv6); } if (type == CONNMAN_IPCONFIG_TYPE_IPV4) ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig); else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) ipdevice->config_ipv6 = __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_ipv4 == NULL && ipdevice->config_ipv6 == NULL) return -EINVAL; ipconfig->enabled = FALSE; if (ipdevice->config_ipv4 == ipconfig) { ipconfig_list = g_list_remove(ipconfig_list, ipconfig); connman_ipaddress_clear(ipdevice->config_ipv4->system); __connman_ipconfig_unref(ipdevice->config_ipv4); ipdevice->config_ipv4 = NULL; return 0; } if (ipdevice->config_ipv6 == ipconfig) { ipconfig_list = g_list_remove(ipconfig_list, ipconfig); if (ipdevice->config_ipv6->method == CONNMAN_IPCONFIG_METHOD_AUTO) disable_ipv6(ipdevice->config_ipv6); connman_ipaddress_clear(ipdevice->config_ipv6->system); __connman_ipconfig_unref(ipdevice->config_ipv6); ipdevice->config_ipv6 = NULL; return 0; } return -EINVAL; } 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"; case CONNMAN_IPCONFIG_METHOD_AUTO: return "auto"; } 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 if (g_strcmp0(method, "auto") == 0) return CONNMAN_IPCONFIG_METHOD_AUTO; else return CONNMAN_IPCONFIG_METHOD_UNKNOWN; } static const char *privacy2string(int privacy) { if (privacy <= 0) return "disabled"; else if (privacy == 1) return "enabled"; else if (privacy > 1) return "prefered"; return "disabled"; } static int string2privacy(const char *privacy) { if (g_strcmp0(privacy, "disabled") == 0) return 0; else if (g_strcmp0(privacy, "enabled") == 0) return 1; else if (g_strcmp0(privacy, "prefered") == 0) return 2; else return 0; } void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { struct connman_ipaddress *append_addr = NULL; const char *str; DBG(""); if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4) return; 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_AUTO: return; case CONNMAN_IPCONFIG_METHOD_FIXED: append_addr = ipconfig->address; break; case CONNMAN_IPCONFIG_METHOD_MANUAL: case CONNMAN_IPCONFIG_METHOD_DHCP: append_addr = ipconfig->system; break; } if (append_addr == NULL) return; if (append_addr->local != NULL) { in_addr_t addr; struct in_addr netmask; char *mask; connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &append_addr->local); addr = 0xffffffff << (32 - append_addr->prefixlen); netmask.s_addr = htonl(addr); mask = inet_ntoa(netmask); connman_dbus_dict_append_basic(iter, "Netmask", DBUS_TYPE_STRING, &mask); } if (append_addr->gateway != NULL) connman_dbus_dict_append_basic(iter, "Gateway", DBUS_TYPE_STRING, &append_addr->gateway); } void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig, DBusMessageIter *iter, struct connman_ipconfig *ipconfig_ipv4) { struct connman_ipaddress *append_addr = NULL; const char *str, *privacy; DBG(""); if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6) return; str = __connman_ipconfig_method2string(ipconfig->method); if (str == NULL) return; if (ipconfig_ipv4 != NULL && ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) { if (__connman_6to4_check(ipconfig_ipv4) == 1) str = "6to4"; } connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str); switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: return; case CONNMAN_IPCONFIG_METHOD_FIXED: append_addr = ipconfig->address; break; case CONNMAN_IPCONFIG_METHOD_MANUAL: case CONNMAN_IPCONFIG_METHOD_DHCP: case CONNMAN_IPCONFIG_METHOD_AUTO: append_addr = ipconfig->system; break; } if (append_addr == NULL) return; if (append_addr->local != NULL) { connman_dbus_dict_append_basic(iter, "Address", DBUS_TYPE_STRING, &append_addr->local); connman_dbus_dict_append_basic(iter, "PrefixLength", DBUS_TYPE_BYTE, &append_addr->prefixlen); } if (append_addr->gateway != NULL) connman_dbus_dict_append_basic(iter, "Gateway", DBUS_TYPE_STRING, &append_addr->gateway); privacy = privacy2string(ipconfig->ipv6_privacy_config); connman_dbus_dict_append_basic(iter, "Privacy", DBUS_TYPE_STRING, &privacy); } void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig, DBusMessageIter *iter) { const char *str, *privacy; 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: case CONNMAN_IPCONFIG_METHOD_AUTO: 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); privacy = privacy2string(ipconfig->ipv6_privacy_config); connman_dbus_dict_append_basic(iter, "Privacy", DBUS_TYPE_STRING, &privacy); } 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_DHCP: case CONNMAN_IPCONFIG_METHOD_AUTO: return; case CONNMAN_IPCONFIG_METHOD_FIXED: 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, DBusMessageIter *array) { enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN; const char *address = NULL, *netmask = NULL, *gateway = NULL, *privacy_string = NULL; int prefix_length = 0, privacy = 0; DBusMessageIter dict; DBG("ipconfig %p", ipconfig); 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, value; 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); if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT) return -EINVAL; dbus_message_iter_recurse(&entry, &value); type = dbus_message_iter_get_arg_type(&value); if (g_str_equal(key, "Method") == TRUE) { const char *str; if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&value, &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(&value, &address); } else if (g_str_equal(key, "PrefixLength") == TRUE) { if (type != DBUS_TYPE_BYTE) return -EINVAL; dbus_message_iter_get_basic(&value, &prefix_length); 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(&value, &netmask); } else if (g_str_equal(key, "Gateway") == TRUE) { if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&value, &gateway); } else if (g_str_equal(key, "Privacy") == TRUE) { if (type != DBUS_TYPE_STRING) return -EINVAL; dbus_message_iter_get_basic(&value, &privacy_string); privacy = string2privacy(privacy_string); } dbus_message_iter_next(&dict); } DBG("method %d address %s netmask %s gateway %s prefix_length %d " "privacy %s", method, address, netmask, gateway, prefix_length, privacy_string); switch (method) { case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_FIXED: return -EINVAL; case CONNMAN_IPCONFIG_METHOD_OFF: ipconfig->method = method; if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) disable_ipv6(ipconfig); break; case CONNMAN_IPCONFIG_METHOD_AUTO: if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6) return -EINVAL; ipconfig->method = method; if (privacy_string != NULL) ipconfig->ipv6_privacy_config = privacy; enable_ipv6(ipconfig); break; case CONNMAN_IPCONFIG_METHOD_MANUAL: if (address == NULL) return -EINVAL; ipconfig->method = method; if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) connman_ipaddress_set_ipv4(ipconfig->address, address, netmask, gateway); else return connman_ipaddress_set_ipv6( ipconfig->address, address, prefix_length, gateway); break; case CONNMAN_IPCONFIG_METHOD_DHCP: if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) return -EOPNOTSUPP; ipconfig->method = method; break; } return 0; } 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) { char *method; char *key; char *str; 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) { switch (ipconfig->type) { case CONNMAN_IPCONFIG_TYPE_IPV4: ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP; break; case CONNMAN_IPCONFIG_TYPE_IPV6: ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO; break; case CONNMAN_IPCONFIG_TYPE_UNKNOWN: ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF; break; } } else ipconfig->method = __connman_ipconfig_string2method(method); if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN) ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF; if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) { if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO || ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) { char *privacy; char *pprefix = g_strdup_printf("%sprivacy", prefix); privacy = g_key_file_get_string(keyfile, identifier, pprefix, NULL); ipconfig->ipv6_privacy_config = string2privacy(privacy); g_free(pprefix); g_free(privacy); } } g_free(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); key = g_strdup_printf("%sDHCP.LastAddress", prefix); str = g_key_file_get_string(keyfile, identifier, key, NULL); if (str != NULL) { g_free(ipconfig->last_dhcp_address); ipconfig->last_dhcp_address = str; } 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); if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) { const char *privacy; privacy = privacy2string(ipconfig->ipv6_privacy_config); key = g_strdup_printf("%sprivacy", prefix); g_key_file_set_string(keyfile, identifier, key, privacy); g_free(key); } switch (ipconfig->method) { case CONNMAN_IPCONFIG_METHOD_FIXED: case CONNMAN_IPCONFIG_METHOD_MANUAL: break; case CONNMAN_IPCONFIG_METHOD_DHCP: key = g_strdup_printf("%sDHCP.LastAddress", prefix); if (ipconfig->last_dhcp_address != NULL && strlen(ipconfig->last_dhcp_address) > 0) g_key_file_set_string(keyfile, identifier, key, ipconfig->last_dhcp_address); else g_key_file_remove_key(keyfile, identifier, key, NULL); g_free(key); /* fall through */ case CONNMAN_IPCONFIG_METHOD_UNKNOWN: case CONNMAN_IPCONFIG_METHOD_OFF: case CONNMAN_IPCONFIG_METHOD_AUTO: return 0; } key = g_strdup_printf("%snetmask_prefixlen", prefix); if (ipconfig->address->prefixlen != 0) 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); is_ipv6_supported = connman_inet_is_ipv6_supported(); return 0; } void __connman_ipconfig_cleanup(void) { DBG(""); g_hash_table_destroy(ipdevice_hash); ipdevice_hash = NULL; }