diff options
| -rw-r--r-- | include/resolv.h | 3 | ||||
| -rw-r--r-- | lib/libc/asr/res_mkquery.c | 4 | ||||
| -rw-r--r-- | lib/libc/asr/res_send_async.c | 4 | ||||
| -rw-r--r-- | lib/libc/net/resolver.3 | 6 |
4 files changed, 12 insertions, 5 deletions
diff --git a/include/resolv.h b/include/resolv.h index ba38c70968f..fb02483871e 100644 --- a/include/resolv.h +++ b/include/resolv.h @@ -1,4 +1,4 @@ -/* $OpenBSD: resolv.h,v 1.21 2016/09/12 19:35:31 guenther Exp $ */ +/* $OpenBSD: resolv.h,v 1.22 2019/01/14 06:23:06 otto Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. @@ -190,6 +190,7 @@ struct __res_state_ext { #define RES_USE_EDNS0 0x40000000 /* use EDNS0 */ /* DNSSEC extensions: use higher bit to avoid conflict with ISC use */ #define RES_USE_DNSSEC 0x20000000 /* use DNSSEC using OK bit in OPT */ +#define RES_USE_CD 0x10000000 /* set Checking Disabled flag */ #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) diff --git a/lib/libc/asr/res_mkquery.c b/lib/libc/asr/res_mkquery.c index d6800877279..658d09ba614 100644 --- a/lib/libc/asr/res_mkquery.c +++ b/lib/libc/asr/res_mkquery.c @@ -1,4 +1,4 @@ -/* $OpenBSD: res_mkquery.c,v 1.11 2017/02/27 11:38:08 jca Exp $ */ +/* $OpenBSD: res_mkquery.c,v 1.12 2019/01/14 06:23:06 otto Exp $ */ /* * Copyright (c) 2012 Eric Faurot <eric@openbsd.org> * @@ -60,6 +60,8 @@ res_mkquery(int op, const char *dname, int class, int type, h.id = res_randomid(); if (ac->ac_options & RES_RECURSE) h.flags |= RD_MASK; + if (ac->ac_options & RES_USE_CDFLAG) + h.flags |= CD_MASK; h.qdcount = 1; if (ac->ac_options & (RES_USE_EDNS0 | RES_USE_DNSSEC)) h.arcount = 1; diff --git a/lib/libc/asr/res_send_async.c b/lib/libc/asr/res_send_async.c index d0b4cb0e060..a03fe82318d 100644 --- a/lib/libc/asr/res_send_async.c +++ b/lib/libc/asr/res_send_async.c @@ -1,4 +1,4 @@ -/* $OpenBSD: res_send_async.c,v 1.36 2017/03/15 15:54:41 deraadt Exp $ */ +/* $OpenBSD: res_send_async.c,v 1.37 2019/01/14 06:23:06 otto Exp $ */ /* * Copyright (c) 2012 Eric Faurot <eric@openbsd.org> * @@ -376,6 +376,8 @@ setup_query(struct asr_query *as, const char *name, const char *dom, h.id = res_randomid(); if (as->as_ctx->ac_options & RES_RECURSE) h.flags |= RD_MASK; + if (as->as_ctx->ac_options & RES_USE_CDFLAG) + h.flags |= CD_MASK; h.qdcount = 1; if (as->as_ctx->ac_options & (RES_USE_EDNS0 | RES_USE_DNSSEC)) h.arcount = 1; diff --git a/lib/libc/net/resolver.3 b/lib/libc/net/resolver.3 index e371f7851c3..e6b1f472b48 100644 --- a/lib/libc/net/resolver.3 +++ b/lib/libc/net/resolver.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: resolver.3,v 1.37 2017/02/27 11:38:08 jca Exp $ +.\" $OpenBSD: resolver.3,v 1.38 2019/01/14 06:23:06 otto Exp $ .\" .\" Copyright (c) 1985, 1991, 1993 .\" The Regents of the University of California. All rights reserved. @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: February 27 2017 $ +.Dd $Mdocdate: January 14 2019 $ .Dt RES_INIT 3 .Os .Sh NAME @@ -199,6 +199,8 @@ uses 4096 bytes as input buffer size. Request that the resolver uses Domain Name System Security Extensions (DNSSEC), as defined in RFCs 4033, 4034, and 4035. +.It Dv RES_USE_CD +Set the Checking Disabled flag on queries. .El .Pp The |