diff options
| author | ume <ume@FreeBSD.org> | 2008-12-14 19:39:53 +0000 |
|---|---|---|
| committer | ume <ume@FreeBSD.org> | 2008-12-14 19:39:53 +0000 |
| commit | 5981f7a689e7291656f30b6c8e94a05339c101b0 (patch) | |
| tree | 5e14eb7d469e63a149e56aedf1a74b40e820e7cd /lib/libc/resolv/res_query.c | |
| parent | d6c5fd3f81862801cb66bf464744657a24a2d4e2 (diff) | |
| download | FreeBSD-src-5981f7a689e7291656f30b6c8e94a05339c101b0.zip FreeBSD-src-5981f7a689e7291656f30b6c8e94a05339c101b0.tar.gz | |
Merge the resolver part of BIND 9.4.3 into HEAD.
It includes the following fix:
2426. [bug] libbind: inet_net_pton() can sometimes return the
wrong value if excessively large netmasks are
supplied. [RT #18512]
Reported by: Maksymilian Arciemowicz <cxib__at__securityreason.com>
Diffstat (limited to 'lib/libc/resolv/res_query.c')
| -rw-r--r-- | lib/libc/resolv/res_query.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/libc/resolv/res_query.c b/lib/libc/resolv/res_query.c index 3813291..746a2be 100644 --- a/lib/libc/resolv/res_query.c +++ b/lib/libc/resolv/res_query.c @@ -66,7 +66,7 @@ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)res_query.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: res_query.c,v 1.7.18.1 2005/04/27 05:01:11 sra Exp $"; +static const char rcsid[] = "$Id: res_query.c,v 1.7.18.2 2008/04/03 23:15:15 marka Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); @@ -115,8 +115,9 @@ res_nquery(res_state statp, { u_char buf[MAXPACKET]; HEADER *hp = (HEADER *) answer; - int n; u_int oflags; + u_char *rdata; + int n; oflags = statp->_flags; @@ -131,8 +132,14 @@ again: buf, sizeof(buf)); #ifdef RES_USE_EDNS0 if (n > 0 && (statp->_flags & RES_F_EDNS0ERR) == 0 && - (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U) + (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC|RES_NSID))) { n = res_nopt(statp, n, buf, sizeof(buf), anslen); + rdata = &buf[n]; + if (n > 0 && (statp->options & RES_NSID) != 0U) { + n = res_nopt_rdata(statp, n, buf, sizeof(buf), rdata, + NS_OPT_NSID, 0, NULL); + } + } #endif if (n <= 0) { #ifdef DEBUG @@ -142,6 +149,7 @@ again: RES_SET_H_ERRNO(statp, NO_RECOVERY); return (n); } + n = res_nsend(statp, buf, n, answer, anslen); if (n < 0) { #ifdef RES_USE_EDNS0 |
