From 057505c5a302962a784c82e1d3cb15e758ba4f46 Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Tue, 11 Sep 2007 16:03:42 +0000
Subject: [PATCH] The sample dundi.conf claims support for a wildcard peer
 entry - [*], but the code did not support it.  This patch makes it work.
 (closes issue #10546, patch by dds, with some changes by me)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@82250 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 pbx/pbx_dundi.c | 37 ++++++++++++++++++++++++++++++++++---
 1 file changed, 34 insertions(+), 3 deletions(-)

diff --git a/pbx/pbx_dundi.c b/pbx/pbx_dundi.c
index 6ae74321f6..2f484242aa 100644
--- a/pbx/pbx_dundi.c
+++ b/pbx/pbx_dundi.c
@@ -268,6 +268,13 @@ static AST_LIST_HEAD_NOLOCK_STATIC(mappings, dundi_mapping);
 static AST_LIST_HEAD_NOLOCK_STATIC(requests, dundi_request);
 static AST_LIST_HEAD_NOLOCK_STATIC(alltrans, dundi_transaction);
 
+/*!
+ * \brief Wildcard peer
+ *
+ * This peer is created if the [*] entry is specified in dundi.conf
+ */
+static struct dundi_peer *any_peer;
+
 static int dundi_xmit(struct dundi_packet *pack);
 
 static void dundi_debug_output(const char *data)
@@ -489,6 +496,9 @@ static struct dundi_peer *find_peer(dundi_eid *eid)
 			break;
 	}
 
+	if (!cur && any_peer)
+		cur = any_peer;
+
 	return cur;
 }
 
@@ -1507,7 +1517,7 @@ static int handle_command_response(struct dundi_transaction *trans, struct dundi
 	unsigned char *bufcpy;
 	struct dundi_ie_data ied;
 	struct dundi_ies ies;
-	struct dundi_peer *peer;
+	struct dundi_peer *peer = NULL;
 	char eid_str[20];
 	char eid_str2[20];
 	memset(&ied, 0, sizeof(ied));
@@ -1591,6 +1601,23 @@ static int handle_command_response(struct dundi_transaction *trans, struct dundi
 	case DUNDI_COMMAND_REGREQ:
 		/* A register request -- should only have one entity */
 		peer = find_peer(ies.eids[0]);
+		
+		/* if the peer is not found and we have a valid 'any_peer' setting */
+		if (any_peer && peer == any_peer) {
+			/* copy any_peer into a new peer object */
+			peer = ast_calloc(1, sizeof(*peer));
+			if (peer) {
+				memcpy(peer, any_peer, sizeof(*peer));
+
+				/* set EID to remote EID */
+				peer->eid = *ies.eids[0];
+
+				AST_LIST_LOCK(&peers);
+				AST_LIST_INSERT_HEAD(&peers, peer, list);
+				AST_LIST_UNLOCK(&peers);
+			}
+		}
+
 		if (!peer || !peer->dynamic) {
 			dundi_ie_append_cause(&ied, DUNDI_IE_CAUSE, DUNDI_CAUSE_NOAUTH, NULL);
 			dundi_send(trans, DUNDI_COMMAND_REGRESPONSE, 0, 1, &ied);
@@ -4331,8 +4358,9 @@ static int set_config(char *config_file, struct sockaddr_in* sin)
 
 	dundi_ttl = DUNDI_DEFAULT_TTL;
 	dundi_cache_time = DUNDI_DEFAULT_CACHE_TIME;
-	cfg = ast_config_load(config_file);
+	any_peer = NULL;
 	
+	cfg = ast_config_load(config_file);
 	
 	if (!cfg) {
 		ast_log(LOG_ERROR, "Unable to load config %s\n", config_file);
@@ -4455,7 +4483,10 @@ static int set_config(char *config_file, struct sockaddr_in* sin)
 			/* Entries */
 			if (!dundi_str_to_eid(&testeid, cat))
 				build_peer(&testeid, ast_variable_browse(cfg, cat), &globalpcmodel);
-			else
+			else if (!strcasecmp(cat, "*")) {
+				build_peer(&empty_eid, ast_variable_browse(cfg, cat), &globalpcmodel);
+				any_peer = find_peer(NULL);
+			} else
 				ast_log(LOG_NOTICE, "Ignoring invalid EID entry '%s'\n", cat);
 		}
 		cat = ast_category_browse(cfg, cat);