From: Joshua Colp <jcolp@digium.com>
Date: Wed, 26 Oct 2016 12:51:50 +0000 (+0000)
Subject: app_voicemail: Clear voice mailbox in MailboxExists and MAILBOX_EXISTS.
X-Git-Tag: 11.25.0-rc1~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fc23415ec61e63491f06c13ade1b73d2afc6dbf;p=thirdparty%2Fasterisk.git

app_voicemail: Clear voice mailbox in MailboxExists and MAILBOX_EXISTS.

When executing the MailboxExists dialplan application and
MAILBOX_EXISTS dialplan function the passed in temporary voice
mailbox was not cleared, causing it to try to free garbage.

ASTERISK-26503 #close

Change-Id: Ie21ccfa1b80b9c59318e596f6b8e17da2b5a7cb3
---

diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 4f8302b03c..cc931f1904 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -12050,6 +12050,7 @@ static int vm_box_exists(struct ast_channel *chan, const char *data)
 		context++;
 	}
 
+	memset(&svm, 0, sizeof(svm));
 	vmu = find_user(&svm, context, args.mbox);
 	if (vmu) {
 		pbx_builtin_setvar_helper(chan, "VMBOXEXISTSSTATUS", "SUCCESS");
@@ -12081,6 +12082,7 @@ static int acf_mailbox_exists(struct ast_channel *chan, const char *cmd, char *a
 		ast_log(AST_LOG_WARNING, "MAILBOX_EXISTS is deprecated.  Please use ${VM_INFO(%s,exists)} instead.\n", args);
 	}
 
+	memset(&svm, 0, sizeof(svm));
 	vmu = find_user(&svm, ast_strlen_zero(arg.context) ? "default" : arg.context, arg.mbox);
 	ast_copy_string(buf, vmu ? "1" : "0", len);
 	free_user(vmu);