git: 48aa2fa71b2d - stable/13 - libc: Don't warn about RRSIG replies.

From: Dag-Erling Smørgrav <des_at_FreeBSD.org>
Date: Mon, 14 Nov 2022 11:23:44 UTC
The branch stable/13 has been updated by des:

URL: https://cgit.FreeBSD.org/src/commit/?id=48aa2fa71b2d08bf65278c404325e6df419db49e

commit 48aa2fa71b2d08bf65278c404325e6df419db49e
Author:     Dag-Erling Smørgrav <des@FreeBSD.org>
AuthorDate: 2022-11-07 15:48:11 +0000
Commit:     Dag-Erling Smørgrav <des@FreeBSD.org>
CommitDate: 2022-11-14 11:23:32 +0000

    libc: Don't warn about RRSIG replies.
    
    PR:             213178
    MFC after:      1 week
    Differential Revision: https://reviews.freebsd.org/D37303
    
    (cherry picked from commit 817f1f3064db25f821032c8fffb131183206bba1)
---
 include/arpa/nameser_compat.h | 18 ++++++++++++++++++
 lib/libc/net/getaddrinfo.c    |  2 +-
 lib/libc/net/gethostbydns.c   |  5 ++++-
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/include/arpa/nameser_compat.h b/include/arpa/nameser_compat.h
index 7562984ab0ff..d70bc199b823 100644
--- a/include/arpa/nameser_compat.h
+++ b/include/arpa/nameser_compat.h
@@ -177,15 +177,33 @@ typedef struct {
 #define	T_SRV		ns_t_srv
 #define T_ATMA		ns_t_atma
 #define T_NAPTR		ns_t_naptr
+#define T_KX		ns_t_kx
+#define T_CERT		ns_t_cert
 #define T_A6		ns_t_a6
 #define T_DNAME		ns_t_dname
+#define T_SINK		ns_t_sink
 #define T_OPT		ns_t_opt
+#define T_APL		ns_t_apl
+#define T_DS		ns_t_ds
+#define T_SSHFP		ns_t_sshfp
+#define T_IPSECKEY	ns_t_ipseckey
+#define T_RRSIG		ns_t_rrsig
+#define T_NSEC		ns_t_nsec
+#define T_DNSKEY	ns_t_dnskey
+#define T_DHCID		ns_t_dhcid
+#define T_NSEC3		ns_t_nsec3
+#define T_NSEC3PARAM	ns_t_nsec3param
+#define T_HIP		ns_t_hip
+#define T_SPF		ns_t_spf
+#define T_TKEY		ns_t_tkey
 #define	T_TSIG		ns_t_tsig
 #define	T_IXFR		ns_t_ixfr
 #define T_AXFR		ns_t_axfr
 #define T_MAILB		ns_t_mailb
 #define T_MAILA		ns_t_maila
 #define T_ANY		ns_t_any
+#define T_ZXFR		ns_t_zxfr
+#define T_DLV		ns_t_dlv
 
 #define C_IN		ns_c_in
 #define C_CHAOS		ns_c_chaos
diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c
index a33f240bc376..abe4eb17cf72 100644
--- a/lib/libc/net/getaddrinfo.c
+++ b/lib/libc/net/getaddrinfo.c
@@ -2091,7 +2091,7 @@ getanswer(const querybuf *answer, int anslen, const char *qname, int qtype,
 		} else if (type != qtype) {
 #ifdef DEBUG
 			if (type != T_KEY && type != T_SIG &&
-			    type != ns_t_dname)
+			    type != T_DNAME && type != T_RRSIG)
 				syslog(LOG_NOTICE|LOG_AUTH,
 	       "gethostby*.getanswer: asked for \"%s %s %s\", got type \"%s\"",
 				       qname, p_class(C_IN), p_type(qtype),
diff --git a/lib/libc/net/gethostbydns.c b/lib/libc/net/gethostbydns.c
index 09800b874f90..142b67f7ace9 100644
--- a/lib/libc/net/gethostbydns.c
+++ b/lib/libc/net/gethostbydns.c
@@ -292,11 +292,14 @@ gethostanswer(const querybuf *answer, int anslen, const char *qname, int qtype,
 			continue;
 		}
 		if (type != qtype) {
-			if (type != T_SIG && type != ns_t_dname)
+#ifdef DEBUG
+			if (type != T_KEY && type != T_SIG &&
+			    type != T_DNAME && type != T_RRSIG)
 				syslog(LOG_NOTICE|LOG_AUTH,
 	"gethostby*.gethostanswer: asked for \"%s %s %s\", got type \"%s\"",
 				       qname, p_class(C_IN), p_type(qtype),
 				       p_type(type));
+#endif
 			cp += n;
 			continue;		/* XXX - had_error++ ? */
 		}