123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284 |
- /*
- * netifd - network interface daemon
- * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
- *
- * 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.
- */
- #define _GNU_SOURCE
- #include <arpa/inet.h>
- #include <string.h>
- #include <stdio.h>
- #include "netifd.h"
- #include "interface.h"
- #include "proto.h"
- #include "ubus.h"
- #include "system.h"
- #include "wireless.h"
- struct ubus_context *ubus_ctx = NULL;
- static struct blob_buf b;
- static const char *ubus_path;
- /* global object */
- static int
- netifd_handle_restart(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- netifd_restart();
- return 0;
- }
- static int
- netifd_handle_reload(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- if (netifd_reload())
- return UBUS_STATUS_NOT_FOUND;
- return UBUS_STATUS_OK;
- }
- enum {
- HR_TARGET,
- HR_V6,
- HR_INTERFACE,
- __HR_MAX
- };
- static const struct blobmsg_policy route_policy[__HR_MAX] = {
- [HR_TARGET] = { .name = "target", .type = BLOBMSG_TYPE_STRING },
- [HR_V6] = { .name = "v6", .type = BLOBMSG_TYPE_BOOL },
- [HR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
- };
- static int
- netifd_add_host_route(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct blob_attr *tb[__HR_MAX];
- struct interface *iface = NULL;
- union if_addr a;
- bool v6 = false;
- blobmsg_parse(route_policy, __HR_MAX, tb, blob_data(msg), blob_len(msg));
- if (!tb[HR_TARGET])
- return UBUS_STATUS_INVALID_ARGUMENT;
- if (tb[HR_V6])
- v6 = blobmsg_get_bool(tb[HR_V6]);
- if (tb[HR_INTERFACE])
- iface = vlist_find(&interfaces, blobmsg_data(tb[HR_INTERFACE]), iface, node);
- memset(&a, 0, sizeof(a));
- if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(tb[HR_TARGET]), &a))
- return UBUS_STATUS_INVALID_ARGUMENT;
- iface = interface_ip_add_target_route(&a, v6, iface);
- if (!iface)
- return UBUS_STATUS_NOT_FOUND;
- blob_buf_init(&b, 0);
- blobmsg_add_string(&b, "interface", iface->name);
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- static int
- netifd_get_proto_handlers(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- blob_buf_init(&b, 0);
- proto_dump_handlers(&b);
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- enum {
- DI_NAME,
- __DI_MAX
- };
- static const struct blobmsg_policy dynamic_policy[__DI_MAX] = {
- [DI_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
- };
- static int
- netifd_add_dynamic(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct blob_attr *tb[__DI_MAX];
- struct interface *iface;
- struct blob_attr *config;
- blobmsg_parse(dynamic_policy, __DI_MAX, tb, blob_data(msg), blob_len(msg));
- if (!tb[DI_NAME])
- return UBUS_STATUS_INVALID_ARGUMENT;
- const char *name = blobmsg_get_string(tb[DI_NAME]);
- iface = interface_alloc(name, msg, true);
- if (!iface)
- return UBUS_STATUS_UNKNOWN_ERROR;
- config = blob_memdup(msg);
- if (!config)
- goto error;
- if (!interface_add(iface, config))
- goto error_free_config;
- return UBUS_STATUS_OK;
- error_free_config:
- free(config);
- error:
- free(iface);
- return UBUS_STATUS_UNKNOWN_ERROR;
- }
- static struct ubus_method main_object_methods[] = {
- { .name = "restart", .handler = netifd_handle_restart },
- { .name = "reload", .handler = netifd_handle_reload },
- UBUS_METHOD("add_host_route", netifd_add_host_route, route_policy),
- { .name = "get_proto_handlers", .handler = netifd_get_proto_handlers },
- UBUS_METHOD("add_dynamic", netifd_add_dynamic, dynamic_policy),
- };
- static struct ubus_object_type main_object_type =
- UBUS_OBJECT_TYPE("netifd", main_object_methods);
- static struct ubus_object main_object = {
- .name = "network",
- .type = &main_object_type,
- .methods = main_object_methods,
- .n_methods = ARRAY_SIZE(main_object_methods),
- };
- enum {
- DEV_NAME,
- __DEV_MAX,
- };
- static const struct blobmsg_policy dev_policy[__DEV_MAX] = {
- [DEV_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
- };
- static int
- netifd_dev_status(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct device *dev = NULL;
- struct blob_attr *tb[__DEV_MAX];
- blobmsg_parse(dev_policy, __DEV_MAX, tb, blob_data(msg), blob_len(msg));
- if (tb[DEV_NAME]) {
- dev = device_find(blobmsg_data(tb[DEV_NAME]));
- if (!dev)
- return UBUS_STATUS_INVALID_ARGUMENT;
- }
- blob_buf_init(&b, 0);
- device_dump_status(&b, dev);
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- enum {
- ALIAS_ATTR_ALIAS,
- ALIAS_ATTR_DEV,
- __ALIAS_ATTR_MAX,
- };
- static const struct blobmsg_policy alias_attrs[__ALIAS_ATTR_MAX] = {
- [ALIAS_ATTR_ALIAS] = { "alias", BLOBMSG_TYPE_ARRAY },
- [ALIAS_ATTR_DEV] = { "device", BLOBMSG_TYPE_STRING },
- };
- static int
- netifd_handle_alias(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct device *dev = NULL;
- struct blob_attr *tb[__ALIAS_ATTR_MAX];
- struct blob_attr *cur;
- int rem;
- blobmsg_parse(alias_attrs, __ALIAS_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
- if (!tb[ALIAS_ATTR_ALIAS])
- return UBUS_STATUS_INVALID_ARGUMENT;
- if ((cur = tb[ALIAS_ATTR_DEV]) != NULL) {
- dev = device_get(blobmsg_data(cur), true);
- if (!dev)
- return UBUS_STATUS_NOT_FOUND;
- }
- blobmsg_for_each_attr(cur, tb[ALIAS_ATTR_ALIAS], rem) {
- if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
- goto error;
- if (!blobmsg_check_attr(cur, false))
- goto error;
- alias_notify_device(blobmsg_data(cur), dev);
- }
- return 0;
- error:
- device_free_unused(dev);
- return UBUS_STATUS_INVALID_ARGUMENT;
- }
- enum {
- DEV_STATE_NAME,
- DEV_STATE_DEFER,
- __DEV_STATE_MAX,
- };
- static const struct blobmsg_policy dev_state_policy[__DEV_STATE_MAX] = {
- [DEV_STATE_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
- [DEV_STATE_DEFER] = { .name = "defer", .type = BLOBMSG_TYPE_BOOL },
- };
- static int
- netifd_handle_set_state(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct device *dev = NULL;
- struct blob_attr *tb[__DEV_STATE_MAX];
- struct blob_attr *cur;
- blobmsg_parse(dev_state_policy, __DEV_STATE_MAX, tb, blob_data(msg), blob_len(msg));
- cur = tb[DEV_STATE_NAME];
- if (!cur)
- return UBUS_STATUS_INVALID_ARGUMENT;
- dev = device_find(blobmsg_data(cur));
- if (!dev)
- return UBUS_STATUS_NOT_FOUND;
- cur = tb[DEV_STATE_DEFER];
- if (cur)
- device_set_deferred(dev, !!blobmsg_get_u8(cur));
- return 0;
- }
- static struct ubus_method dev_object_methods[] = {
- UBUS_METHOD("status", netifd_dev_status, dev_policy),
- UBUS_METHOD("set_alias", netifd_handle_alias, alias_attrs),
- UBUS_METHOD("set_state", netifd_handle_set_state, dev_state_policy),
- };
- static struct ubus_object_type dev_object_type =
- UBUS_OBJECT_TYPE("device", dev_object_methods);
- static struct ubus_object dev_object = {
- .name = "network.device",
- .type = &dev_object_type,
- .methods = dev_object_methods,
- .n_methods = ARRAY_SIZE(dev_object_methods),
- };
- static void
- netifd_ubus_add_fd(void)
- {
- ubus_add_uloop(ubus_ctx);
- system_fd_set_cloexec(ubus_ctx->sock.fd);
- }
- static void
- netifd_ubus_reconnect_timer(struct uloop_timeout *timeout)
- {
- static struct uloop_timeout retry = {
- .cb = netifd_ubus_reconnect_timer,
- };
- int t = 2;
- if (ubus_reconnect(ubus_ctx, ubus_path) != 0) {
- DPRINTF("failed to reconnect, trying again in %d seconds\n", t);
- uloop_timeout_set(&retry, t * 1000);
- return;
- }
- DPRINTF("reconnected to ubus, new id: %08x\n", ubus_ctx->local_id);
- netifd_ubus_add_fd();
- }
- static void
- netifd_ubus_connection_lost(struct ubus_context *ctx)
- {
- netifd_ubus_reconnect_timer(NULL);
- }
- /* per-interface object */
- static int
- netifd_handle_up(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- iface = container_of(obj, struct interface, ubus);
- interface_set_up(iface);
- return 0;
- }
- static int
- netifd_handle_down(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- iface = container_of(obj, struct interface, ubus);
- interface_set_down(iface);
- return 0;
- }
- static int
- netifd_handle_renew(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- iface = container_of(obj, struct interface, ubus);
- interface_renew(iface);
- return 0;
- }
- static void
- netifd_add_interface_errors(struct blob_buf *b, struct interface *iface)
- {
- struct interface_error *error;
- void *e, *e2, *e3;
- int i;
- e = blobmsg_open_array(b, "errors");
- list_for_each_entry(error, &iface->errors, list) {
- e2 = blobmsg_open_table(b, NULL);
- blobmsg_add_string(b, "subsystem", error->subsystem);
- blobmsg_add_string(b, "code", error->code);
- if (error->data[0]) {
- e3 = blobmsg_open_array(b, "data");
- for (i = 0; error->data[i]; i++)
- blobmsg_add_string(b, NULL, error->data[i]);
- blobmsg_close_array(b, e3);
- }
- blobmsg_close_table(b, e2);
- }
- blobmsg_close_array(b, e);
- }
- static void
- interface_ip_dump_address_list(struct interface_ip_settings *ip, bool v6, bool enabled)
- {
- struct device_addr *addr;
- char *buf;
- void *a;
- int buflen = 128;
- int af;
- time_t now = system_get_rtime();
- vlist_for_each_element(&ip->addr, addr, node) {
- if (addr->enabled != enabled)
- continue;
- if ((addr->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
- af = AF_INET;
- else
- af = AF_INET6;
- if (af != (v6 ? AF_INET6 : AF_INET))
- continue;
- a = blobmsg_open_table(&b, NULL);
- buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
- inet_ntop(af, &addr->addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "mask", addr->mask);
- if (addr->point_to_point) {
- buf = blobmsg_alloc_string_buffer(&b, "ptpaddress", buflen);
- inet_ntop(af, &addr->point_to_point, buf, buflen);
- blobmsg_add_string_buffer(&b);
- }
- if (addr->preferred_until) {
- int preferred = addr->preferred_until - now;
- if (preferred < 0)
- preferred = 0;
- blobmsg_add_u32(&b, "preferred", preferred);
- }
- if (addr->valid_until)
- blobmsg_add_u32(&b, "valid", addr->valid_until - now);
- if (addr->pclass)
- blobmsg_add_string(&b, "class", addr->pclass);
- blobmsg_close_table(&b, a);
- }
- }
- static void
- interface_ip_dump_neighbor_list(struct interface_ip_settings *ip, bool enabled)
- {
- struct device_neighbor *neighbor;
- int buflen = 128;
- char *buf;
- void *r;
- int af;
- vlist_for_each_element(&ip->neighbor, neighbor, node) {
- if (neighbor->enabled != enabled)
- continue;
- if ((neighbor->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
- af = AF_INET;
- else
- af = AF_INET6;
- r = blobmsg_open_table(&b, NULL);
- if (neighbor->flags & DEVNEIGH_MAC)
- blobmsg_add_string(&b, "mac", format_macaddr(neighbor->macaddr));
- buf = blobmsg_alloc_string_buffer(&b , "address", buflen);
- inet_ntop(af, &neighbor->addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- if (neighbor->proxy)
- blobmsg_add_u32(&b, "proxy", neighbor->proxy);
- if (neighbor->router)
- blobmsg_add_u32(&b, "router", neighbor->router);
- blobmsg_close_table(&b, r);
- }
- }
- static void
- interface_ip_dump_route_list(struct interface_ip_settings *ip, bool enabled)
- {
- struct device_route *route;
- int buflen = 128;
- char *buf;
- void *r;
- int af;
- time_t now = system_get_rtime();
- vlist_for_each_element(&ip->route, route, node) {
- if (route->enabled != enabled)
- continue;
- if ((ip->no_defaultroute == enabled) && !route->mask)
- continue;
- if ((route->flags & DEVADDR_FAMILY) == DEVADDR_INET4)
- af = AF_INET;
- else
- af = AF_INET6;
- r = blobmsg_open_table(&b, NULL);
- buf = blobmsg_alloc_string_buffer(&b, "target", buflen);
- inet_ntop(af, &route->addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "mask", route->mask);
- buf = blobmsg_alloc_string_buffer(&b, "nexthop", buflen);
- inet_ntop(af, &route->nexthop, buf, buflen);
- blobmsg_add_string_buffer(&b);
- if (route->flags & DEVROUTE_TYPE)
- blobmsg_add_u32(&b, "type", route->type);
- if (route->flags & DEVROUTE_PROTO)
- blobmsg_add_u32(&b, "proto", route->proto);
- if (route->flags & DEVROUTE_MTU)
- blobmsg_add_u32(&b, "mtu", route->mtu);
- if (route->flags & DEVROUTE_METRIC)
- blobmsg_add_u32(&b, "metric", route->metric);
- if (route->flags & DEVROUTE_TABLE)
- blobmsg_add_u32(&b, "table", route->table);
- if (route->valid_until)
- blobmsg_add_u32(&b, "valid", route->valid_until - now);
- buf = blobmsg_alloc_string_buffer(&b, "source", buflen);
- inet_ntop(af, &route->source, buf, buflen);
- snprintf(buf + strlen(buf), buflen - strlen(buf), "/%u", route->sourcemask);
- blobmsg_add_string_buffer(&b);
- blobmsg_close_table(&b, r);
- }
- }
- static void
- interface_ip_dump_prefix_list(struct interface_ip_settings *ip)
- {
- struct device_prefix *prefix;
- char *buf;
- void *a, *c;
- const int buflen = INET6_ADDRSTRLEN;
- time_t now = system_get_rtime();
- vlist_for_each_element(&ip->prefix, prefix, node) {
- a = blobmsg_open_table(&b, NULL);
- buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
- inet_ntop(AF_INET6, &prefix->addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "mask", prefix->length);
- if (prefix->preferred_until) {
- int preferred = prefix->preferred_until - now;
- if (preferred < 0)
- preferred = 0;
- blobmsg_add_u32(&b, "preferred", preferred);
- }
- if (prefix->valid_until)
- blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
- blobmsg_add_string(&b, "class", prefix->pclass);
- c = blobmsg_open_table(&b, "assigned");
- struct device_prefix_assignment *assign;
- list_for_each_entry(assign, &prefix->assignments, head) {
- if (!assign->name[0])
- continue;
- struct in6_addr addr = prefix->addr;
- addr.s6_addr32[1] |= htonl(assign->assigned);
- void *d = blobmsg_open_table(&b, assign->name);
- buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
- inet_ntop(AF_INET6, &addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "mask", assign->length);
- blobmsg_close_table(&b, d);
- }
- blobmsg_close_table(&b, c);
- blobmsg_close_table(&b, a);
- }
- }
- static void
- interface_ip_dump_prefix_assignment_list(struct interface *iface)
- {
- void *a;
- char *buf;
- const int buflen = INET6_ADDRSTRLEN;
- time_t now = system_get_rtime();
- struct device_prefix *prefix;
- list_for_each_entry(prefix, &prefixes, head) {
- struct device_prefix_assignment *assign;
- list_for_each_entry(assign, &prefix->assignments, head) {
- if (strcmp(assign->name, iface->name))
- continue;
- struct in6_addr addr = prefix->addr;
- addr.s6_addr32[1] |= htonl(assign->assigned);
- a = blobmsg_open_table(&b, NULL);
- buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
- inet_ntop(AF_INET6, &addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "mask", assign->length);
- if (prefix->preferred_until) {
- int preferred = prefix->preferred_until - now;
- if (preferred < 0)
- preferred = 0;
- blobmsg_add_u32(&b, "preferred", preferred);
- }
- if (prefix->valid_until)
- blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
- void *c = blobmsg_open_table(&b, "local-address");
- if (assign->enabled) {
- buf = blobmsg_alloc_string_buffer(&b, "address", buflen);
- inet_ntop(AF_INET6, &assign->addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "mask", assign->length);
- }
- blobmsg_close_table(&b, c);
- blobmsg_close_table(&b, a);
- }
- }
- }
- static void
- interface_ip_dump_dns_server_list(struct interface_ip_settings *ip, bool enabled)
- {
- struct dns_server *dns;
- int buflen = 128;
- char *buf;
- vlist_simple_for_each_element(&ip->dns_servers, dns, node) {
- if (ip->no_dns == enabled)
- continue;
- buf = blobmsg_alloc_string_buffer(&b, NULL, buflen);
- inet_ntop(dns->af, &dns->addr, buf, buflen);
- blobmsg_add_string_buffer(&b);
- }
- }
- static void
- interface_ip_dump_dns_search_list(struct interface_ip_settings *ip, bool enabled)
- {
- struct dns_search_domain *dns;
- vlist_simple_for_each_element(&ip->dns_search, dns, node) {
- if (ip->no_dns == enabled)
- continue;
- blobmsg_add_string(&b, NULL, dns->name);
- }
- }
- static void
- netifd_dump_status(struct interface *iface)
- {
- struct interface_data *data;
- struct device *dev;
- void *a, *inactive;
- blobmsg_add_u8(&b, "up", iface->state == IFS_UP);
- blobmsg_add_u8(&b, "pending", iface->state == IFS_SETUP);
- blobmsg_add_u8(&b, "available", iface->available);
- blobmsg_add_u8(&b, "autostart", iface->autostart);
- blobmsg_add_u8(&b, "dynamic", iface->dynamic);
- if (iface->state == IFS_UP) {
- time_t cur = system_get_rtime();
- blobmsg_add_u32(&b, "uptime", cur - iface->start_time);
- if (iface->l3_dev.dev)
- blobmsg_add_string(&b, "l3_device", iface->l3_dev.dev->ifname);
- }
- if (iface->proto_handler)
- blobmsg_add_string(&b, "proto", iface->proto_handler->name);
- dev = iface->main_dev.dev;
- if (dev && !dev->hidden && iface->proto_handler &&
- !(iface->proto_handler->flags & PROTO_FLAG_NODEV))
- blobmsg_add_string(&b, "device", dev->ifname);
- if (iface->state == IFS_UP) {
- if (iface->updated) {
- a = blobmsg_open_array(&b, "updated");
- if (iface->updated & IUF_ADDRESS)
- blobmsg_add_string(&b, NULL, "addresses");
- if (iface->updated & IUF_ROUTE)
- blobmsg_add_string(&b, NULL, "routes");
- if (iface->updated & IUF_PREFIX)
- blobmsg_add_string(&b, NULL, "prefixes");
- if (iface->updated & IUF_DATA)
- blobmsg_add_string(&b, NULL, "data");
- blobmsg_close_array(&b, a);
- }
- if (iface->ip4table)
- blobmsg_add_u32(&b, "ip4table", iface->ip4table);
- if (iface->ip6table)
- blobmsg_add_u32(&b, "ip6table", iface->ip6table);
- blobmsg_add_u32(&b, "metric", iface->metric);
- blobmsg_add_u32(&b, "dns_metric", iface->dns_metric);
- blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
- if (iface->assignment_weight)
- blobmsg_add_u32(&b, "ip6weight", iface->assignment_weight);
- a = blobmsg_open_array(&b, "ipv4-address");
- interface_ip_dump_address_list(&iface->config_ip, false, true);
- interface_ip_dump_address_list(&iface->proto_ip, false, true);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "ipv6-address");
- interface_ip_dump_address_list(&iface->config_ip, true, true);
- interface_ip_dump_address_list(&iface->proto_ip, true, true);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "ipv6-prefix");
- interface_ip_dump_prefix_list(&iface->config_ip);
- interface_ip_dump_prefix_list(&iface->proto_ip);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "ipv6-prefix-assignment");
- interface_ip_dump_prefix_assignment_list(iface);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "route");
- interface_ip_dump_route_list(&iface->config_ip, true);
- interface_ip_dump_route_list(&iface->proto_ip, true);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "dns-server");
- interface_ip_dump_dns_server_list(&iface->config_ip, true);
- interface_ip_dump_dns_server_list(&iface->proto_ip, true);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "dns-search");
- interface_ip_dump_dns_search_list(&iface->config_ip, true);
- interface_ip_dump_dns_search_list(&iface->proto_ip, true);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "neighbors");
- interface_ip_dump_neighbor_list(&iface->config_ip, true);
- interface_ip_dump_neighbor_list(&iface->proto_ip, true);
- blobmsg_close_array(&b, a);
- inactive = blobmsg_open_table(&b, "inactive");
- a = blobmsg_open_array(&b, "ipv4-address");
- interface_ip_dump_address_list(&iface->config_ip, false, false);
- interface_ip_dump_address_list(&iface->proto_ip, false, false);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "ipv6-address");
- interface_ip_dump_address_list(&iface->config_ip, true, false);
- interface_ip_dump_address_list(&iface->proto_ip, true, false);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "route");
- interface_ip_dump_route_list(&iface->config_ip, false);
- interface_ip_dump_route_list(&iface->proto_ip, false);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "dns-server");
- interface_ip_dump_dns_server_list(&iface->config_ip, false);
- interface_ip_dump_dns_server_list(&iface->proto_ip, false);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "dns-search");
- interface_ip_dump_dns_search_list(&iface->config_ip, false);
- interface_ip_dump_dns_search_list(&iface->proto_ip, false);
- blobmsg_close_array(&b, a);
- a = blobmsg_open_array(&b, "neighbors");
- interface_ip_dump_neighbor_list(&iface->config_ip, false);
- interface_ip_dump_neighbor_list(&iface->proto_ip, false);
- blobmsg_close_array(&b, a);
- blobmsg_close_table(&b, inactive);
- }
- a = blobmsg_open_table(&b, "data");
- avl_for_each_element(&iface->data, data, node)
- blobmsg_add_blob(&b, data->data);
- blobmsg_close_table(&b, a);
- if (!list_empty(&iface->errors))
- netifd_add_interface_errors(&b, iface);
- }
- static int
- netifd_handle_status(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface = container_of(obj, struct interface, ubus);
- blob_buf_init(&b, 0);
- netifd_dump_status(iface);
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- static int
- netifd_handle_dump(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- blob_buf_init(&b, 0);
- void *a = blobmsg_open_array(&b, "interface");
- struct interface *iface;
- vlist_for_each_element(&interfaces, iface, node) {
- void *i = blobmsg_open_table(&b, NULL);
- blobmsg_add_string(&b, "interface", iface->name);
- netifd_dump_status(iface);
- blobmsg_close_table(&b, i);
- }
- blobmsg_close_array(&b, a);
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- enum {
- DEV_LINK_NAME,
- DEV_LINK_EXT,
- __DEV_LINK_MAX,
- };
- static const struct blobmsg_policy dev_link_policy[__DEV_LINK_MAX] = {
- [DEV_LINK_NAME] = { .name = "name", .type = BLOBMSG_TYPE_STRING },
- [DEV_LINK_EXT] = { .name = "link-ext", .type = BLOBMSG_TYPE_BOOL },
- };
- static int
- netifd_iface_handle_device(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct blob_attr *tb[__DEV_LINK_MAX];
- struct blob_attr *cur;
- struct interface *iface;
- bool add = !strncmp(method, "add", 3);
- bool link_ext = true;
- iface = container_of(obj, struct interface, ubus);
- blobmsg_parse(dev_link_policy, __DEV_LINK_MAX, tb, blob_data(msg), blob_len(msg));
- if (!tb[DEV_LINK_NAME])
- return UBUS_STATUS_INVALID_ARGUMENT;
- cur = tb[DEV_LINK_EXT];
- if (cur)
- link_ext = blobmsg_get_bool(cur);
- return interface_handle_link(iface, blobmsg_data(tb[DEV_LINK_NAME]), add, link_ext);
- }
- static int
- netifd_iface_notify_proto(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- iface = container_of(obj, struct interface, ubus);
- if (!iface->proto || !iface->proto->notify)
- return UBUS_STATUS_NOT_SUPPORTED;
- return iface->proto->notify(iface->proto, msg);
- }
- static void
- netifd_iface_do_remove(struct uloop_timeout *timeout)
- {
- struct interface *iface;
- iface = container_of(timeout, struct interface, remove_timer);
- vlist_delete(&interfaces, &iface->node);
- }
- static int
- netifd_iface_remove(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- iface = container_of(obj, struct interface, ubus);
- if (iface->remove_timer.cb)
- return UBUS_STATUS_INVALID_ARGUMENT;
- iface->remove_timer.cb = netifd_iface_do_remove;
- uloop_timeout_set(&iface->remove_timer, 100);
- return 0;
- }
- static int
- netifd_handle_iface_prepare(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- struct device *dev;
- const struct device_hotplug_ops *ops;
- iface = container_of(obj, struct interface, ubus);
- dev = iface->main_dev.dev;
- if (!dev)
- return 0;
- ops = dev->hotplug_ops;
- if (!ops)
- return 0;
- return ops->prepare(dev);
- }
- static int
- netifd_handle_set_data(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- iface = container_of(obj, struct interface, ubus);
- return interface_parse_data(iface, msg);
- }
- static struct ubus_method iface_object_methods[] = {
- { .name = "up", .handler = netifd_handle_up },
- { .name = "down", .handler = netifd_handle_down },
- { .name = "renew", .handler = netifd_handle_renew },
- { .name = "status", .handler = netifd_handle_status },
- { .name = "prepare", .handler = netifd_handle_iface_prepare },
- { .name = "dump", .handler = netifd_handle_dump },
- UBUS_METHOD("add_device", netifd_iface_handle_device, dev_link_policy ),
- UBUS_METHOD("remove_device", netifd_iface_handle_device, dev_link_policy ),
- { .name = "notify_proto", .handler = netifd_iface_notify_proto },
- { .name = "remove", .handler = netifd_iface_remove },
- { .name = "set_data", .handler = netifd_handle_set_data },
- };
- static struct ubus_object_type iface_object_type =
- UBUS_OBJECT_TYPE("netifd_iface", iface_object_methods);
- static struct ubus_object iface_object = {
- .name = "network.interface",
- .type = &iface_object_type,
- .n_methods = ARRAY_SIZE(iface_object_methods),
- };
- static void netifd_add_object(struct ubus_object *obj)
- {
- int ret = ubus_add_object(ubus_ctx, obj);
- if (ret != 0)
- fprintf(stderr, "Failed to publish object '%s': %s\n", obj->name, ubus_strerror(ret));
- }
- static const struct blobmsg_policy iface_policy = {
- .name = "interface",
- .type = BLOBMSG_TYPE_STRING,
- };
- static int
- netifd_handle_iface(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct interface *iface;
- struct blob_attr *tb;
- int i;
- blobmsg_parse(&iface_policy, 1, &tb, blob_data(msg), blob_len(msg));
- if (!tb)
- return UBUS_STATUS_INVALID_ARGUMENT;
- iface = vlist_find(&interfaces, blobmsg_data(tb), iface, node);
- if (!iface)
- return UBUS_STATUS_NOT_FOUND;
- for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
- ubus_handler_t cb;
- if (strcmp(method, iface_object_methods[i].name) != 0)
- continue;
- cb = iface_object_methods[i].handler;
- return cb(ctx, &iface->ubus, req, method, msg);
- }
- return UBUS_STATUS_INVALID_ARGUMENT;
- }
- static void netifd_add_iface_object(void)
- {
- struct ubus_method *methods;
- int i;
- methods = calloc(1, sizeof(iface_object_methods));
- if (!methods)
- return;
- memcpy(methods, iface_object_methods, sizeof(iface_object_methods));
- iface_object.methods = methods;
- for (i = 0; i < ARRAY_SIZE(iface_object_methods); i++) {
- if (methods[i].handler == netifd_handle_dump)
- continue;
- methods[i].handler = netifd_handle_iface;
- methods[i].policy = &iface_policy;
- methods[i].n_policy = 1;
- }
- netifd_add_object(&iface_object);
- }
- static struct wireless_device *
- get_wdev(struct blob_attr *msg, int *ret)
- {
- struct blobmsg_policy wdev_policy = {
- .name = "device",
- .type = BLOBMSG_TYPE_STRING,
- };
- struct blob_attr *dev_attr;
- struct wireless_device *wdev = NULL;
- blobmsg_parse(&wdev_policy, 1, &dev_attr, blob_data(msg), blob_len(msg));
- if (!dev_attr) {
- *ret = UBUS_STATUS_INVALID_ARGUMENT;
- return NULL;
- }
- wdev = vlist_find(&wireless_devices, blobmsg_data(dev_attr), wdev, node);
- if (!wdev) {
- *ret = UBUS_STATUS_NOT_FOUND;
- return NULL;
- }
- *ret = 0;
- return wdev;
- }
- static int
- netifd_handle_wdev_up(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct wireless_device *wdev;
- int ret;
- wdev = get_wdev(msg, &ret);
- if (ret == UBUS_STATUS_NOT_FOUND)
- return ret;
- if (wdev) {
- wireless_device_set_up(wdev);
- } else {
- vlist_for_each_element(&wireless_devices, wdev, node)
- wireless_device_set_up(wdev);
- }
- return 0;
- }
- static int
- netifd_handle_wdev_down(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct wireless_device *wdev;
- int ret;
- wdev = get_wdev(msg, &ret);
- if (ret == UBUS_STATUS_NOT_FOUND)
- return ret;
- if (wdev) {
- wireless_device_set_down(wdev);
- } else {
- vlist_for_each_element(&wireless_devices, wdev, node)
- wireless_device_set_down(wdev);
- }
- return 0;
- }
- static int
- netifd_handle_wdev_status(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct wireless_device *wdev;
- int ret;
- wdev = get_wdev(msg, &ret);
- if (ret == UBUS_STATUS_NOT_FOUND)
- return ret;
- blob_buf_init(&b, 0);
- if (wdev) {
- wireless_device_status(wdev, &b);
- } else {
- vlist_for_each_element(&wireless_devices, wdev, node)
- wireless_device_status(wdev, &b);
- }
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- static int
- netifd_handle_wdev_get_validate(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct wireless_device *wdev;
- int ret;
- wdev = get_wdev(msg, &ret);
- if (ret == UBUS_STATUS_NOT_FOUND)
- return ret;
- blob_buf_init(&b, 0);
- if (wdev) {
- wireless_device_get_validate(wdev, &b);
- } else {
- vlist_for_each_element(&wireless_devices, wdev, node)
- wireless_device_get_validate(wdev, &b);
- }
- ubus_send_reply(ctx, req, b.head);
- return 0;
- }
- static int
- netifd_handle_wdev_notify(struct ubus_context *ctx, struct ubus_object *obj,
- struct ubus_request_data *req, const char *method,
- struct blob_attr *msg)
- {
- struct wireless_device *wdev;
- int ret;
- wdev = get_wdev(msg, &ret);
- if (!wdev)
- return ret;
- return wireless_device_notify(wdev, msg, req);
- }
- static struct ubus_method wireless_object_methods[] = {
- { .name = "up", .handler = netifd_handle_wdev_up },
- { .name = "down", .handler = netifd_handle_wdev_down },
- { .name = "status", .handler = netifd_handle_wdev_status },
- { .name = "notify", .handler = netifd_handle_wdev_notify },
- { .name = "get_validate", .handler = netifd_handle_wdev_get_validate },
- };
- static struct ubus_object_type wireless_object_type =
- UBUS_OBJECT_TYPE("netifd_iface", wireless_object_methods);
- static struct ubus_object wireless_object = {
- .name = "network.wireless",
- .type = &wireless_object_type,
- .methods = wireless_object_methods,
- .n_methods = ARRAY_SIZE(wireless_object_methods),
- };
- int
- netifd_ubus_init(const char *path)
- {
- uloop_init();
- ubus_path = path;
- ubus_ctx = ubus_connect(path);
- if (!ubus_ctx)
- return -EIO;
- DPRINTF("connected as %08x\n", ubus_ctx->local_id);
- ubus_ctx->connection_lost = netifd_ubus_connection_lost;
- netifd_ubus_add_fd();
- netifd_add_object(&main_object);
- netifd_add_object(&dev_object);
- netifd_add_object(&wireless_object);
- netifd_add_iface_object();
- return 0;
- }
- void
- netifd_ubus_done(void)
- {
- ubus_free(ubus_ctx);
- }
- void
- netifd_ubus_interface_event(struct interface *iface, bool up)
- {
- blob_buf_init(&b, 0);
- blobmsg_add_string(&b, "action", up ? "ifup" : "ifdown");
- blobmsg_add_string(&b, "interface", iface->name);
- ubus_send_event(ubus_ctx, "network.interface", b.head);
- }
- void
- netifd_ubus_interface_notify(struct interface *iface, bool up)
- {
- const char *event = (up) ? "interface.update" : "interface.down";
- blob_buf_init(&b, 0);
- blobmsg_add_string(&b, "interface", iface->name);
- netifd_dump_status(iface);
- ubus_notify(ubus_ctx, &iface_object, event, b.head, -1);
- ubus_notify(ubus_ctx, &iface->ubus, event, b.head, -1);
- }
- void
- netifd_ubus_add_interface(struct interface *iface)
- {
- struct ubus_object *obj = &iface->ubus;
- char *name = NULL;
- if (asprintf(&name, "%s.interface.%s", main_object.name, iface->name) == -1)
- return;
- obj->name = name;
- obj->type = &iface_object_type;
- obj->methods = iface_object_methods;
- obj->n_methods = ARRAY_SIZE(iface_object_methods);
- if (ubus_add_object(ubus_ctx, &iface->ubus)) {
- DPRINTF("failed to publish ubus object for interface '%s'\n", iface->name);
- free(name);
- obj->name = NULL;
- }
- }
- void
- netifd_ubus_remove_interface(struct interface *iface)
- {
- if (!iface->ubus.name)
- return;
- ubus_remove_object(ubus_ctx, &iface->ubus);
- free((void *) iface->ubus.name);
- }
|