s3: Add wins_server_tag_ips()

For a given tag, return the list of all wins servers

2 files changed, 44 insertions, 0 deletions

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 4a19f74d4c..815104881d 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -913,6 +913,8 @@ unsigned wins_srv_count(void);
 char **wins_srv_tags(void);
 void wins_srv_tags_free(char **list);
 struct in_addr wins_srv_ip_tag(const char *tag, struct in_addr src_ip);
+bool wins_server_tag_ips(const char *tag, TALLOC_CTX *mem_ctx,
+			 struct in_addr **pservers, int *pnum_servers);
 unsigned wins_srv_count_tag(const char *tag);
 
 /* The following definitions come from libsmb/clispnego.c  */
diff --git a/source3/lib/wins_srv.c b/source3/lib/wins_srv.c
index 6676f02e94..f9e8f3b0e1 100644
--- a/source3/lib/wins_srv.c
+++ b/source3/lib/wins_srv.c
@@ -328,6 +328,48 @@ struct in_addr wins_srv_ip_tag(const char *tag, struct in_addr src_ip)
 	return t_ip.ip;
 }
 
+bool wins_server_tag_ips(const char *tag, TALLOC_CTX *mem_ctx,
+			 struct in_addr **pservers, int *pnum_servers)
+{
+	const char **list;
+	int i, num_servers;
+	struct in_addr *servers;
+
+	list = lp_wins_server_list();
+	if ((list == NULL) || (list[0] == NULL)) {
+		return false;
+	}
+
+	num_servers = 0;
+
+	for (i=0; list[i] != NULL; i++) {
+		struct tagged_ip t_ip;
+		parse_ip(&t_ip, list[i]);
+		if (strcmp(tag, t_ip.tag) == 0) {
+			num_servers += 1;
+		}
+	}
+
+	servers = talloc_array(mem_ctx, struct in_addr, num_servers);
+	if (servers == NULL) {
+		return false;
+	}
+
+	num_servers = 0;
+
+	for (i=0; list[i] != NULL; i++) {
+		struct tagged_ip t_ip;
+		parse_ip(&t_ip, list[i]);
+		if (strcmp(tag, t_ip.tag) == 0) {
+			servers[num_servers] = t_ip.ip;
+			num_servers += 1;
+		}
+	}
+	*pnum_servers = num_servers;
+	*pservers = servers;
+	return true;
+}
+
 
 /*
   return a count of the number of IPs for a particular tag, including