3 #include <libubox/uloop.h>
11 static struct ubus_context *ubus = NULL;
12 static struct ubus_subscriber netifd;
13 static struct blob_buf b;
14 static struct blob_attr *dump = NULL;
15 static uint32_t objid = 0;
16 static struct ubus_request req_dump = { .list = LIST_HEAD_INIT(req_dump.list) };
19 static int handle_dhcpv4_leases(struct ubus_context *ctx, _unused struct ubus_object *obj,
20 struct ubus_request_data *req, _unused const char *method,
21 _unused struct blob_attr *msg)
24 void *a = blobmsg_open_table(&b, "device");
25 time_t now = odhcpd_time();
27 struct interface *iface;
28 list_for_each_entry(iface, &interfaces, head) {
29 if (iface->dhcpv4 != RELAYD_SERVER)
32 void *i = blobmsg_open_table(&b, iface->ifname);
33 void *j = blobmsg_open_array(&b, "leases");
35 struct dhcpv4_assignment *lease;
36 list_for_each_entry(lease, &iface->dhcpv4_assignments, head) {
37 if (lease->valid_until < now)
40 void *l = blobmsg_open_table(&b, NULL);
42 char *buf = blobmsg_alloc_string_buffer(&b, "mac", 13);
43 odhcpd_hexlify(buf, lease->hwaddr, sizeof(lease->hwaddr));
44 blobmsg_add_string_buffer(&b);
46 blobmsg_add_string(&b, "hostname", lease->hostname);
48 buf = blobmsg_alloc_string_buffer(&b, "ip", INET_ADDRSTRLEN);
49 struct in_addr addr = {htonl(lease->addr)};
50 inet_ntop(AF_INET, &addr, buf, INET_ADDRSTRLEN);
51 blobmsg_add_string_buffer(&b);
53 blobmsg_add_u32(&b, "valid", now - lease->valid_until);
55 blobmsg_close_table(&b, l);
58 blobmsg_close_array(&b, j);
59 blobmsg_close_table(&b, i);
62 blobmsg_close_table(&b, a);
63 ubus_send_reply(ctx, req, b.head);
68 static int handle_dhcpv6_leases(_unused struct ubus_context *ctx, _unused struct ubus_object *obj,
69 _unused struct ubus_request_data *req, _unused const char *method,
70 _unused struct blob_attr *msg)
73 void *a = blobmsg_open_table(&b, "device");
74 time_t now = odhcpd_time();
76 struct interface *iface;
77 list_for_each_entry(iface, &interfaces, head) {
78 if (iface->dhcpv6 != RELAYD_SERVER)
81 void *i = blobmsg_open_table(&b, iface->ifname);
82 void *j = blobmsg_open_array(&b, "leases");
84 struct dhcpv6_assignment *lease;
85 list_for_each_entry(lease, &iface->ia_assignments, head) {
86 if (lease->valid_until < now)
89 void *l = blobmsg_open_table(&b, NULL);
91 char *buf = blobmsg_alloc_string_buffer(&b, "duid", 264);
92 odhcpd_hexlify(buf, lease->clid_data, lease->clid_len);
93 blobmsg_add_string_buffer(&b);
95 blobmsg_add_u32(&b, "iaid", ntohl(lease->iaid));
96 blobmsg_add_string(&b, "hostname", (lease->hostname) ? lease->hostname : "");
97 blobmsg_add_u32(&b, "assigned", lease->assigned);
98 blobmsg_add_u32(&b, "length", lease->length);
100 void *m = blobmsg_open_array(&b, "ipv6");
101 struct in6_addr addr;
102 for (size_t i = 0; i < iface->ia_addr_len; ++i) {
103 if (iface->ia_addr[i].prefix > 64)
106 addr = iface->ia_addr[i].addr;
107 if (lease->length == 128)
108 addr.s6_addr32[3] = htonl(lease->assigned);
110 addr.s6_addr32[1] |= htonl(lease->assigned);
112 char *c = blobmsg_alloc_string_buffer(&b, NULL, INET6_ADDRSTRLEN);
113 inet_ntop(AF_INET6, &addr, c, INET6_ADDRSTRLEN);
114 blobmsg_add_string_buffer(&b);
116 blobmsg_close_table(&b, m);
118 blobmsg_add_u32(&b, "valid", now - lease->valid_until);
120 blobmsg_close_table(&b, l);
123 blobmsg_close_array(&b, j);
124 blobmsg_close_table(&b, i);
127 blobmsg_close_table(&b, a);
128 ubus_send_reply(ctx, req, b.head);
133 static struct ubus_method main_object_methods[] = {
134 {.name = "ipv4leases", .handler = handle_dhcpv4_leases},
135 {.name = "ipv6leases", .handler = handle_dhcpv6_leases},
138 static struct ubus_object_type main_object_type =
139 UBUS_OBJECT_TYPE("dhcp", main_object_methods);
141 static struct ubus_object main_object = {
143 .type = &main_object_type,
144 .methods = main_object_methods,
145 .n_methods = ARRAY_SIZE(main_object_methods),
154 static const struct blobmsg_policy dump_attrs[DUMP_ATTR_MAX] = {
155 [DUMP_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_ARRAY },
160 IFACE_ATTR_INTERFACE,
169 static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = {
170 [IFACE_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
171 [IFACE_ATTR_IFNAME] = { .name = "l3_device", .type = BLOBMSG_TYPE_STRING },
172 [IFACE_ATTR_UP] = { .name = "up", .type = BLOBMSG_TYPE_BOOL },
173 [IFACE_ATTR_DATA] = { .name = "data", .type = BLOBMSG_TYPE_TABLE },
174 [IFACE_ATTR_PREFIX] = { .name = "ipv6-prefix", .type = BLOBMSG_TYPE_ARRAY },
175 [IFACE_ATTR_ADDRESS] = { .name = "ipv6-address", .type = BLOBMSG_TYPE_ARRAY },
178 static void handle_dump(_unused struct ubus_request *req, _unused int type, struct blob_attr *msg)
180 struct blob_attr *tb[DUMP_ATTR_MAX];
181 blobmsg_parse(dump_attrs, DUMP_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
183 if (!tb[DUMP_ATTR_INTERFACE])
187 dump = blob_memdup(tb[DUMP_ATTR_INTERFACE]);
192 static void update_netifd(bool subscribe)
195 ubus_subscribe(ubus, &netifd, objid);
197 ubus_abort_request(ubus, &req_dump);
198 if (!ubus_invoke_async(ubus, objid, "dump", NULL, &req_dump)) {
199 req_dump.data_cb = handle_dump;
200 ubus_complete_request_async(ubus, &req_dump);
205 static int handle_update(_unused struct ubus_context *ctx, _unused struct ubus_object *obj,
206 _unused struct ubus_request_data *req, _unused const char *method,
207 struct blob_attr *msg)
209 struct blob_attr *tb[IFACE_ATTR_MAX];
210 blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
212 const char *interface = (tb[IFACE_ATTR_INTERFACE]) ?
213 blobmsg_get_string(tb[IFACE_ATTR_INTERFACE]) : "";
214 const char *ifname = (tb[IFACE_ATTR_IFNAME]) ?
215 blobmsg_get_string(tb[IFACE_ATTR_IFNAME]) : "";
217 struct interface *c, *iface = NULL;
218 list_for_each_entry(c, &interfaces, head)
219 if (!strcmp(interface, c->name) || !strcmp(ifname, c->ifname))
222 if (iface && iface->ignore)
225 update_netifd(false);
230 void ubus_apply_network(void)
238 blobmsg_for_each_attr(a, dump, rem) {
239 struct blob_attr *tb[IFACE_ATTR_MAX];
240 blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb, blobmsg_data(a), blobmsg_data_len(a));
242 if (!tb[IFACE_ATTR_INTERFACE] || !tb[IFACE_ATTR_DATA])
245 const char *interface = (tb[IFACE_ATTR_INTERFACE]) ?
246 blobmsg_get_string(tb[IFACE_ATTR_INTERFACE]) : "";
247 const char *ifname = (tb[IFACE_ATTR_IFNAME]) ?
248 blobmsg_get_string(tb[IFACE_ATTR_IFNAME]) : "";
250 bool matched = false;
251 struct interface *c, *n;
252 list_for_each_entry_safe(c, n, &interfaces, head) {
253 char *f = memmem(c->upstream, c->upstream_len,
254 interface, strlen(interface) + 1);
255 bool cmatched = !strcmp(interface, c->name) || !strcmp(ifname, c->ifname);
258 if (!cmatched && (!c->upstream_len || !f || (f != c->upstream && f[-1] != 0)))
262 config_parse_interface(blobmsg_data(tb[IFACE_ATTR_DATA]),
263 blobmsg_data_len(tb[IFACE_ATTR_DATA]), c->name, false);
267 config_parse_interface(blobmsg_data(tb[IFACE_ATTR_DATA]),
268 blobmsg_data_len(tb[IFACE_ATTR_DATA]), interface, false);
279 static const struct blobmsg_policy obj_attrs[OBJ_ATTR_MAX] = {
280 [OBJ_ATTR_ID] = { .name = "id", .type = BLOBMSG_TYPE_INT32 },
281 [OBJ_ATTR_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
285 static void handle_event(_unused struct ubus_context *ctx, _unused struct ubus_event_handler *ev,
286 _unused const char *type, struct blob_attr *msg)
288 struct blob_attr *tb[OBJ_ATTR_MAX];
289 blobmsg_parse(obj_attrs, OBJ_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
291 if (!tb[OBJ_ATTR_ID] || !tb[OBJ_ATTR_PATH])
294 if (strcmp(blobmsg_get_string(tb[OBJ_ATTR_PATH]), "network.interface"))
297 objid = blobmsg_get_u32(tb[OBJ_ATTR_ID]);
301 static struct ubus_event_handler event_handler = { .cb = handle_event };
304 const char* ubus_get_ifname(const char *name)
312 blobmsg_for_each_attr(c, dump, rem) {
313 struct blob_attr *tb[IFACE_ATTR_MAX];
314 blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb, blobmsg_data(c), blobmsg_data_len(c));
316 if (!tb[IFACE_ATTR_INTERFACE] || strcmp(name,
317 blobmsg_get_string(tb[IFACE_ATTR_INTERFACE])))
320 if (tb[IFACE_ATTR_IFNAME])
321 return blobmsg_get_string(tb[IFACE_ATTR_IFNAME]);
328 bool ubus_has_prefix(const char *name, const char *ifname)
330 struct blob_attr *c, *cur;
336 blobmsg_for_each_attr(c, dump, rem) {
337 struct blob_attr *tb[IFACE_ATTR_MAX];
338 blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb, blobmsg_data(c), blobmsg_data_len(c));
340 if (!tb[IFACE_ATTR_INTERFACE] || !tb[IFACE_ATTR_IFNAME])
343 if (strcmp(name, blobmsg_get_string(tb[IFACE_ATTR_INTERFACE])) ||
344 strcmp(ifname, blobmsg_get_string(tb[IFACE_ATTR_IFNAME])))
347 if ((cur = tb[IFACE_ATTR_PREFIX])) {
348 if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY || !blobmsg_check_attr(cur, false))
353 blobmsg_for_each_attr(d, cur, drem) {
365 if (!(ubus = ubus_connect(NULL))) {
366 syslog(LOG_ERR, "Unable to connect to ubus: %s", strerror(errno));
370 netifd.cb = handle_update;
371 ubus_register_subscriber(ubus, &netifd);
373 ubus_add_uloop(ubus);
374 ubus_add_object(ubus, &main_object);
375 ubus_register_event_handler(ubus, &event_handler, "ubus.object.add");
376 if (!ubus_lookup_id(ubus, "network.interface", &objid))