X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=ubus.c;h=9a16a8645a7aeb2b4202b34ef0bc6f9c6e436740;hb=95d8e0d4f03dd7c1211d3f98dc31074365717acf;hp=32e30876ed5c276ee4962e68679ef277b39316bf;hpb=aee2d5582e56582ed0dc3096b364630b2ecfd56a;p=project%2Fmdnsd.git

diff --git a/ubus.c b/ubus.c
index 32e3087..9a16a86 100644
--- a/ubus.c
+++ b/ubus.c
@@ -30,7 +30,7 @@ static struct ubus_auto_conn conn;
 static struct blob_buf b;
 
 static int
-mdns_reload(struct ubus_context *ctx, struct ubus_object *obj,
+umdns_reload(struct ubus_context *ctx, struct ubus_object *obj,
 		struct ubus_request_data *req, const char *method,
 		struct blob_attr *msg)
 {
@@ -39,7 +39,7 @@ mdns_reload(struct ubus_context *ctx, struct ubus_object *obj,
 }
 
 static int
-mdns_scan(struct ubus_context *ctx, struct ubus_object *obj,
+umdns_scan(struct ubus_context *ctx, struct ubus_object *obj,
 		struct ubus_request_data *req, const char *method,
 		struct blob_attr *msg)
 {
@@ -48,16 +48,16 @@ mdns_scan(struct ubus_context *ctx, struct ubus_object *obj,
 }
 
 static int
-mdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
+umdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
 		struct ubus_request_data *req, const char *method,
 		struct blob_attr *msg)
 {
-	struct cache_entry *s, *q;
+	struct cache_service *s, *q;
 	char *buffer = (char *) mdns_buf;
 	void *c1 = NULL, *c2;
 
 	blob_buf_init(&b, 0);
-	avl_for_each_element(&entries, s, avl) {
+	avl_for_each_element(&services, s, avl) {
 		char *local;
 		if (*((char *) s->avl.key) != '_')
 			continue;
@@ -81,7 +81,7 @@ mdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
 		cache_dump_records(&b, s->entry);
 		blobmsg_close_table(&b, c2);
 		q = avl_next_element(s, avl);
-		if (!q || avl_is_last(&entries, &s->avl) || strcmp(s->avl.key, q->avl.key)) {
+		if (!q || avl_is_last(&services, &s->avl) || strcmp(s->avl.key, q->avl.key)) {
 			blobmsg_close_table(&b, c1);
 			c1 = NULL;
 		}
@@ -92,16 +92,16 @@ mdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
 }
 
 static int
-mdns_hosts(struct ubus_context *ctx, struct ubus_object *obj,
+umdns_hosts(struct ubus_context *ctx, struct ubus_object *obj,
 		struct ubus_request_data *req, const char *method,
 		struct blob_attr *msg)
 {
-	struct cache_entry *s;
+	struct cache_service *s;
 	char *buffer = (char *) mdns_buf;
 	void *c;
 
 	blob_buf_init(&b, 0);
-	avl_for_each_element(&entries, s, avl) {
+	avl_for_each_element(&services, s, avl) {
 		char *local;
 		if (*((char *) s->avl.key) == '_')
 			continue;
@@ -120,50 +120,128 @@ mdns_hosts(struct ubus_context *ctx, struct ubus_object *obj,
 	return UBUS_STATUS_OK;
 }
 
+enum {
+	CFG_INTERFACES,
+	CFG_KEEP,
+	CFG_MAX
+};
+
 static const struct blobmsg_policy config_policy[] = {
-	{ "interfaces", BLOBMSG_TYPE_ARRAY },
+	[CFG_INTERFACES]	= { "interfaces", BLOBMSG_TYPE_ARRAY },
+	[CFG_KEEP]		= { "keep", BLOBMSG_TYPE_BOOL },
 };
 
 static int
-mdns_set_config(struct ubus_context *ctx, struct ubus_object *obj,
+umdns_set_config(struct ubus_context *ctx, struct ubus_object *obj,
 		    struct ubus_request_data *req, const char *method,
 		    struct blob_attr *msg)
 {
-	struct blob_attr *data, *cur;
-	int rem;
+	struct blob_attr *data[CFG_MAX], *cur;
+	int rem, keep = false;
 
-	blobmsg_parse(config_policy, 1, &data, blob_data(msg), blob_len(msg));
-	if (!data)
+	blobmsg_parse(config_policy, CFG_MAX, data, blob_data(msg), blob_len(msg));
+	if (!data[CFG_INTERFACES])
 		return UBUS_STATUS_INVALID_ARGUMENT;
 
-	if (!blobmsg_check_attr_list(data, BLOBMSG_TYPE_STRING))
+	if (!blobmsg_check_attr_list(data[CFG_INTERFACES], BLOBMSG_TYPE_STRING))
 		return UBUS_STATUS_INVALID_ARGUMENT;
 
-	vlist_update(&interfaces);
-	blobmsg_for_each_attr(cur, data, rem)
+	keep = data[CFG_KEEP] && blobmsg_get_bool(data[CFG_KEEP]);
+	if (!keep) {
+		vlist_update(&interfaces);
+		ubus_notify(ctx, obj, "set_config", NULL, 1000);
+	}
+
+	blobmsg_for_each_attr(cur, data[CFG_INTERFACES], rem)
 		interface_add(blobmsg_data(cur));
-	vlist_flush(&interfaces);
+
+	if (!keep)
+		vlist_flush(&interfaces);
 
 	return 0;
 }
 
+enum query_attr {
+	QUERY_QUESTION,
+	QUERY_IFACE,
+	QUERY_TYPE,
+	QUERY_MAX
+};
+
+static const struct blobmsg_policy query_policy[QUERY_MAX] = {
+	[QUERY_QUESTION]= { "question", BLOBMSG_TYPE_STRING },
+	[QUERY_IFACE]	= { "interface", BLOBMSG_TYPE_STRING },
+	[QUERY_TYPE]	= { "type", BLOBMSG_TYPE_INT32 },
+};
+
+static int
+umdns_query(struct ubus_context *ctx, struct ubus_object *obj,
+		    struct ubus_request_data *req, const char *method,
+		    struct blob_attr *msg)
+{
+	struct blob_attr *tb[QUERY_MAX], *c;
+	const char *question = "_services._dns-sd._udp.local";
+	const char *ifname;
+	int type = TYPE_ANY;
+
+	blobmsg_parse(query_policy, QUERY_MAX, tb, blob_data(msg), blob_len(msg));
+
+	if (!(c = tb[QUERY_IFACE]))
+		return UBUS_STATUS_INVALID_ARGUMENT;
+
+	ifname = blobmsg_get_string(c);
+
+	if ((c = tb[QUERY_QUESTION]))
+		question = blobmsg_get_string(c);
+
+	if ((c = tb[QUERY_TYPE]))
+		type = blobmsg_get_u32(c);
+
+	struct interface *iface_v4 = interface_get(ifname, 0, 1);
+	struct interface *iface_v6 = interface_get(ifname, 1, 1);
+
+	if (!iface_v4 && !iface_v6)
+		return UBUS_STATUS_NOT_FOUND;
+
+	if (!strcmp(method, "query")) {
+		if (iface_v4)
+			dns_send_question(iface_v4, question, type, 1);
+
+		if (iface_v6)
+			dns_send_question(iface_v6, question, type, 1);
+
+		return UBUS_STATUS_OK;
+	} else if (!strcmp(method, "fetch")) {
+		blob_buf_init(&b, 0);
+		void *k = blobmsg_open_array(&b, "records");
+		cache_dump_recursive(&b, question, type, iface_v4 ? iface_v4 : iface_v6);
+		blobmsg_close_array(&b, k);
+		ubus_send_reply(ctx, req, b.head);
+		return UBUS_STATUS_OK;
+	} else {
+		return UBUS_STATUS_INVALID_ARGUMENT;
+	}
+}
+
 
-static const struct ubus_method mdns_methods[] = {
-	UBUS_METHOD("set_config", mdns_set_config, config_policy),
-	UBUS_METHOD_NOARG("scan", mdns_scan),
-	UBUS_METHOD_NOARG("browse", mdns_browse),
-	UBUS_METHOD_NOARG("hosts", mdns_hosts),
-	UBUS_METHOD_NOARG("reload", mdns_reload),
+static const struct ubus_method umdns_methods[] = {
+	UBUS_METHOD("set_config", umdns_set_config, config_policy),
+	UBUS_METHOD("query", umdns_query, query_policy),
+	UBUS_METHOD("fetch", umdns_query, query_policy),
+	UBUS_METHOD_NOARG("scan", umdns_scan),
+	UBUS_METHOD_NOARG("browse", umdns_browse),
+	UBUS_METHOD_NOARG("hosts", umdns_hosts),
+	UBUS_METHOD_NOARG("reload", umdns_reload),
 };
 
-static struct ubus_object_type mdns_object_type =
-	UBUS_OBJECT_TYPE("mdns", mdns_methods);
+static struct ubus_object_type umdns_object_type =
+	UBUS_OBJECT_TYPE("umdns", umdns_methods);
 
-static struct ubus_object mdns_object = {
-	.name = "mdns",
-	.type = &mdns_object_type,
-	.methods = mdns_methods,
-	.n_methods = ARRAY_SIZE(mdns_methods),
+static struct ubus_object umdns_object = {
+	.name = "umdns",
+	.type = &umdns_object_type,
+	.methods = umdns_methods,
+	.n_methods = ARRAY_SIZE(umdns_methods),
 };
 
 static void
@@ -171,7 +249,7 @@ ubus_connect_handler(struct ubus_context *ctx)
 {
 	int ret;
 
-	ret = ubus_add_object(ctx, &mdns_object);
+	ret = ubus_add_object(ctx, &umdns_object);
 	if (ret)
 		fprintf(stderr, "Failed to add object: %s\n", ubus_strerror(ret));
 }