From: Greg Hudson <ghudson@mit.edu>
Date: Mon, 22 Feb 2016 21:33:07 +0000 (-0500)
Subject: Increase initial DNS buffer size
X-Git-Tag: krb5-1.15-beta1~258
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F409%2Fhead;p=thirdparty%2Fkrb5.git

Increase initial DNS buffer size

In dnsglue.c (which is used to look up SRV and TXT records), increase
the initial buffer size guess from 2048 to 4096 to accomodate DNSSEC
signatures.  Suggested by Daniel Colascione.

ticket: 8366 (new)
---

diff --git a/src/lib/krb5/os/dnsglue.c b/src/lib/krb5/os/dnsglue.c
index 7d25fee070..1a259b399e 100644
--- a/src/lib/krb5/os/dnsglue.c
+++ b/src/lib/krb5/os/dnsglue.c
@@ -128,7 +128,7 @@ krb5int_dns_init(struct krb5int_dns_state **dsp,
     ds->ansp = NULL;
     ds->anslen = 0;
     ds->ansmax = 0;
-    nextincr = 2048;
+    nextincr = 4096;
     maxincr = INT_MAX;
 
 #if HAVE_NS_INITPARSE