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#! /bin/sh /usr/share/dpatch/dpatch-run
## ipv6_buffer_miscalculation.dpatch by Matthias Scheler <tron@netbsd.org>
##
## DP: Fix an abort() caused by miscalculating the size of an internal buffer.
## DP: This can crash applications using "libspf2" (e.g. "milter-greylist")
## DP: in an e-mail gets delivered via SMTP over IPv6 depending on the
## DP: remote machine's IPv6 address.

@DPATCH@
--- a/src/libspf2/spf_expand.c  2008-11-03 21:29:00.000000000 +0000
+++ b/src/libspf2/spf_expand.c  2009-09-08 11:27:52.000000000 +0100
@@ -245,7 +245,7 @@
                case PARM_CLIENT_IP:            /* SMTP client IP                               */
 #ifdef COMPUTE
                        if (compute_length) {
-                               len = sizeof(ip6_buf);
+                               len = sizeof(ip6_rbuf);
                                if (d->dv.url_encode)
                                        len *= 3;
                                buflen += len;