2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
14 #include <sys/types.h>
15 #include <arpa/inet.h>
20 #include <libubox/vlist.h>
21 #include <libubox/uloop.h>
27 #include "interface.h"
29 static struct ubus_auto_conn conn;
30 static struct blob_buf b;
33 mdns_reload(struct ubus_context *ctx, struct ubus_object *obj,
34 struct ubus_request_data *req, const char *method,
35 struct blob_attr *msg)
42 mdns_scan(struct ubus_context *ctx, struct ubus_object *obj,
43 struct ubus_request_data *req, const char *method,
44 struct blob_attr *msg)
51 mdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
52 struct ubus_request_data *req, const char *method,
53 struct blob_attr *msg)
55 struct cache_entry *s, *q;
56 char *buffer = (char *) mdns_buf;
60 avl_for_each_element(&entries, s, avl) {
62 if (*((char *) s->avl.key) != '_')
64 snprintf(buffer, MAX_NAME_LEN, "%s", (const char *) s->avl.key);
65 local = strstr(buffer, ".local");
68 if (!strcmp(buffer, "_tcp") || !strcmp(buffer, "_udp"))
72 c1 = blobmsg_open_table(&b, buffer);
74 snprintf(buffer, MAX_NAME_LEN, "%s", (const char *) s->entry);
75 local = strstr(buffer, "._");
78 c2 = blobmsg_open_table(&b, buffer);
79 strncat(buffer, ".local", MAX_NAME_LEN);
80 cache_dump_records(&b, buffer);
81 cache_dump_records(&b, s->entry);
82 blobmsg_close_table(&b, c2);
83 q = avl_next_element(s, avl);
84 if (!q || avl_is_last(&entries, &s->avl) || strcmp(s->avl.key, q->avl.key)) {
85 blobmsg_close_table(&b, c1);
89 ubus_send_reply(ctx, req, b.head);
91 return UBUS_STATUS_OK;
95 mdns_hosts(struct ubus_context *ctx, struct ubus_object *obj,
96 struct ubus_request_data *req, const char *method,
97 struct blob_attr *msg)
99 struct cache_entry *s;
100 char *buffer = (char *) mdns_buf;
103 blob_buf_init(&b, 0);
104 avl_for_each_element(&entries, s, avl) {
106 if (*((char *) s->avl.key) == '_')
108 snprintf(buffer, MAX_NAME_LEN, "%s", (const char *) s->entry);
109 local = strstr(buffer, "._");
112 c = blobmsg_open_table(&b, buffer);
113 strncat(buffer, ".local", MAX_NAME_LEN);
114 cache_dump_records(&b, buffer);
115 cache_dump_records(&b, s->entry);
116 blobmsg_close_table(&b, c);
118 ubus_send_reply(ctx, req, b.head);
120 return UBUS_STATUS_OK;
123 static const struct blobmsg_policy iface_policy[] = {
124 { "interfaces", BLOBMSG_TYPE_ARRAY },
128 mdns_set_interfaces(struct ubus_context *ctx, struct ubus_object *obj,
129 struct ubus_request_data *req, const char *method,
130 struct blob_attr *msg)
132 struct blob_attr *data, *cur;
135 blobmsg_parse(iface_policy, 1, &data, blob_data(msg), blob_len(msg));
137 return UBUS_STATUS_INVALID_ARGUMENT;
139 if (!blobmsg_check_attr_list(data, BLOBMSG_TYPE_STRING))
140 return UBUS_STATUS_INVALID_ARGUMENT;
142 vlist_update(&interfaces);
143 blobmsg_for_each_attr(cur, data, rem)
144 interface_add(blobmsg_data(cur));
145 vlist_flush(&interfaces);
151 static const struct ubus_method mdns_methods[] = {
152 UBUS_METHOD("set_interfaces", mdns_set_interfaces, iface_policy),
153 UBUS_METHOD_NOARG("scan", mdns_scan),
154 UBUS_METHOD_NOARG("browse", mdns_browse),
155 UBUS_METHOD_NOARG("hosts", mdns_hosts),
156 UBUS_METHOD_NOARG("reload", mdns_reload),
159 static struct ubus_object_type mdns_object_type =
160 UBUS_OBJECT_TYPE("mdns", mdns_methods);
162 static struct ubus_object mdns_object = {
164 .type = &mdns_object_type,
165 .methods = mdns_methods,
166 .n_methods = ARRAY_SIZE(mdns_methods),
170 ubus_connect_handler(struct ubus_context *ctx)
174 ret = ubus_add_object(ctx, &mdns_object);
176 fprintf(stderr, "Failed to add object: %s\n", ubus_strerror(ret));
182 conn.cb = ubus_connect_handler;
183 ubus_auto_connect(&conn);