Fix the potential use of an uninitialized buffer in a log message.

(closes issue #10958)
Reported by: dimas
Patches:
      realtime.patch uploaded by dimas (license 88)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@85515 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/pbx/pbx_realtime.c b/pbx/pbx_realtime.c
index d1011fe8ebb159c3a7aaf31305c1b3c171bcb39e..b9be0d456f307facaf3200edf94fff7559b58c68 100644 (file)
--- a/pbx/pbx_realtime.c
+++ b/pbx/pbx_realtime.c
@@ -178,12 +178,12 @@ static int realtime_exec(struct ast_channel *chan, const char *context, const ch
 
        if (var) {
                char *tmp="";
-               char app[256];
+               char *app = NULL;
                struct ast_variable *v;
 
                for (v = var; v ; v = v->next) {
                        if (!strcasecmp(v->name, "app"))
-                               ast_copy_string(app, v->value, sizeof(app));
+                               app = ast_strdupa(v->value);
                        else if (!strcasecmp(v->name, "appdata"))
                                tmp = ast_strdupa(v->value);
                }
@@ -216,6 +216,8 @@ static int realtime_exec(struct ast_channel *chan, const char *context, const ch
                                res = pbx_exec(chan, a, appdata);
                        } else
                                ast_log(LOG_NOTICE, "No such application '%s' for extension '%s' in context '%s'\n", app, exten, context);
+               } else {
+                       ast_log(LOG_WARNING, "No application specified for realtime extension '%s' in context '%s'\n", exten, context);
                }
        }
        return res;