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authorColin Watson <cjwatson@debian.org>2014-02-09 16:10:01 +0000
committerColin Watson <cjwatson@debian.org>2016-03-10 13:00:40 +0000
commit9c255ad5c677682eb99e1d45dbd5328cef732036 (patch)
treec30d424de6fb05b5d2b54f63b0e198e63316bfd2 /openbsd-compat
parenta8c208a1f6b234a3bf0206c7bce2aaa27b88b46a (diff)
Force use of DNSSEC even if "options edns0" isn't in resolv.conf
This allows SSHFP DNS records to be verified if glibc 2.11 is installed. Origin: vendor, https://cvs.fedoraproject.org/viewvc/F-12/openssh/openssh-5.2p1-edns.patch?revision=1.1&view=markup Bug: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572049 Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572049 Last-Update: 2010-04-06 Patch-Name: dnssec-sshfp.patch
Diffstat (limited to 'openbsd-compat')
-rw-r--r--openbsd-compat/getrrsetbyname.c10
-rw-r--r--openbsd-compat/getrrsetbyname.h3
2 files changed, 8 insertions, 5 deletions
diff --git a/openbsd-compat/getrrsetbyname.c b/openbsd-compat/getrrsetbyname.c
index dc6fe0533..e061a290a 100644
--- a/openbsd-compat/getrrsetbyname.c
+++ b/openbsd-compat/getrrsetbyname.c
@@ -209,8 +209,8 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
209 goto fail; 209 goto fail;
210 } 210 }
211 211
212 /* don't allow flags yet, unimplemented */ 212 /* Allow RRSET_FORCE_EDNS0 flag only. */
213 if (flags) { 213 if ((flags & !RRSET_FORCE_EDNS0) != 0) {
214 result = ERRSET_INVAL; 214 result = ERRSET_INVAL;
215 goto fail; 215 goto fail;
216 } 216 }
@@ -226,9 +226,9 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
226#endif /* DEBUG */ 226#endif /* DEBUG */
227 227
228#ifdef RES_USE_DNSSEC 228#ifdef RES_USE_DNSSEC
229 /* turn on DNSSEC if EDNS0 is configured */ 229 /* turn on DNSSEC if required */
230 if (_resp->options & RES_USE_EDNS0) 230 if (flags & RRSET_FORCE_EDNS0)
231 _resp->options |= RES_USE_DNSSEC; 231 _resp->options |= (RES_USE_EDNS0|RES_USE_DNSSEC);
232#endif /* RES_USE_DNSEC */ 232#endif /* RES_USE_DNSEC */
233 233
234 /* make query */ 234 /* make query */
diff --git a/openbsd-compat/getrrsetbyname.h b/openbsd-compat/getrrsetbyname.h
index 1283f5506..dbbc85a2a 100644
--- a/openbsd-compat/getrrsetbyname.h
+++ b/openbsd-compat/getrrsetbyname.h
@@ -72,6 +72,9 @@
72#ifndef RRSET_VALIDATED 72#ifndef RRSET_VALIDATED
73# define RRSET_VALIDATED 1 73# define RRSET_VALIDATED 1
74#endif 74#endif
75#ifndef RRSET_FORCE_EDNS0
76# define RRSET_FORCE_EDNS0 0x0001
77#endif
75 78
76/* 79/*
77 * Return codes for getrrsetbyname() 80 * Return codes for getrrsetbyname()