From 8137080816f903ad6fd01a98df948b01b40e5804 Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Tue, 23 Jan 2007 21:38:31 +0000
Subject: [PATCH] Merged revisions 51750 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r51750 | russell | 2007-01-23 15:33:15 -0600 (Tue, 23 Jan 2007) | 4 lines

When traversing the list of manager actions, the iterator needs to be
initialized to the list head *after* locking the list.  Also, lock the actions
list in one place it is being accessed where it was not being done.

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@51751 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/manager.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/main/manager.c b/main/manager.c
index f7276a6032..8144cceade 100644
--- a/main/manager.c
+++ b/main/manager.c
@@ -2076,18 +2076,18 @@ static int process_message(struct mansession *s, const struct message *m)
 		astman_send_error(s, m, "Permission denied");
 		return 0;
 	}
-	/* XXX should we protect the list navigation ? */
+	ast_mutex_lock(&actionlock);	
 	for (tmp = first_action ; tmp; tmp = tmp->next) {
-		if (!strcasecmp(action, tmp->action)) {
-			if ((s->writeperm & tmp->authority) == tmp->authority) {
-				if (tmp->func(s, m))	/* error */
-					return -1;
-			} else {
-				astman_send_error(s, m, "Permission denied");
-			}
-			break;
-		}
+		if (strcasecmp(action, tmp->action))
+			continue;
+		if ((s->writeperm & tmp->authority) == tmp->authority) {
+			if (tmp->func(s, m))	/* error */
+				return -1;
+		} else
+			astman_send_error(s, m, "Permission denied");
+		break;
 	}
+	ast_mutex_unlock(&actionlock);
 	if (!tmp)
 		astman_send_error(s, m, "Invalid/unknown command. Use Action: ListCommands to show available commands.");
 	if (ret)
@@ -2389,7 +2389,7 @@ int __manager_event(int category, const char *event,
  */
 int ast_manager_unregister(char *action)
 {
-	struct manager_action *cur = first_action, *prev = first_action;
+	struct manager_action *cur, *prev;
 
 	ast_mutex_lock(&actionlock);
 	for (cur = first_action, prev = NULL; cur; prev = cur, cur = cur->next) {