From: Adam Sutton <dev@adamsutton.me.uk>
Date: Tue, 15 Jan 2013 17:28:51 +0000 (+0000)
Subject: access: fix infinite loop bug in ipv6 check
X-Git-Tag: v3.5~89
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d2da9389df581923c462ca04c7ee35a072e675a;p=thirdparty%2Ftvheadend.git

access: fix infinite loop bug in ipv6 check

Thanks to BtBN for spotting this (though it was his code!).
---

diff --git a/src/access.c b/src/access.c
index a595986da..3e7614d5f 100644
--- a/src/access.c
+++ b/src/access.c
@@ -203,11 +203,13 @@ netmask_verify(access_entry_t *ae, struct sockaddr *src)
       while(slen >= 8)
       {
         if(a8[apos] != m8[apos])
-          continue;
+          break;
 
         apos += 1;
         slen -= 8;
       }
+      if(slen >= 8)
+        continue;
 
       if(slen == 0 || (a8[apos] & lastMask) == (m8[apos] & lastMask))
         return 1;