From: Jordan Lee <jordan@transmissionbt.com>
Date: Sun, 25 Sep 2011 21:51:50 +0000 (+0000)
Subject: (trunk libT) #4504 "crash when adding malformed magnet link" -- fixed.
X-Git-Tag: 2.40b3~19
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5332d234bb31299e767ce97f58c458b2958a026f;p=transmission

(trunk libT) #4504 "crash when adding malformed magnet link" -- fixed.
---

diff --git a/libtransmission/magnet.c b/libtransmission/magnet.c
index 5bab49b60..e3c4bd6cb 100644
--- a/libtransmission/magnet.c
+++ b/libtransmission/magnet.c
@@ -149,10 +149,10 @@ tr_magnetParse( const char * uri )
                 }
             }
 
-            if( ( keylen==2 ) && !memcmp( key, "dn", 2 ) )
+            if( ( vallen > 0 ) && ( keylen==2 ) && !memcmp( key, "dn", 2 ) )
                 displayName = tr_http_unescape( val, vallen );
 
-            if( trCount < MAX_TRACKERS ) {
+            if( ( vallen > 0 ) && ( trCount < MAX_TRACKERS ) ) {
                 int i;
                 if( ( keylen==2 ) && !memcmp( key, "tr", 2 ) )
                     tr[trCount++] = tr_http_unescape( val, vallen );