From: Russell Bryant <russell@russellbryant.com>
Date: Mon, 15 Oct 2007 12:48:10 +0000 (+0000)
Subject: Make sure that the base64 decoder returns a terminated string.
X-Git-Tag: 1.4.14~161
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9b382ca76f0dfd0325d9a32c475f4e0cc7839c3f;p=thirdparty%2Fasterisk.git

Make sure that the base64 decoder returns a terminated string.

(closes issue #10979)
Reported by: ys
Patches:
      util.c.diff uploaded by ys (license 281)
	    - small mods by me


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@85543 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/utils.c b/main/utils.c
index 61fb8a194c..5d4bd1cdcc 100644
--- a/main/utils.c
+++ b/main/utils.c
@@ -347,6 +347,9 @@ int ast_base64decode(unsigned char *dst, const char *src, int max)
 			cnt++;
 		}
 	}
+	if (cnt == max)
+		dst--;
+	*dst = '\0';
 	/* Dont worry about left over bits, they're extra anyway */
 	return cnt;
 }