From 2ade01eb91288f5e420a996540369f4835d10990 Mon Sep 17 00:00:00 2001
From: djm <djm>
Date: Mon, 14 Jul 2008 11:37:36 +0000
Subject: [PATCH]  - (djm) [openbsd-compat/fake-rfc2553.c
 openbsd-compat/fake-rfc2553.h]    return EAI_FAMILY when trying to lookup
 unsupported address family;    from vinschen AT redhat.com

---
 ChangeLog                     | 3 +++
 openbsd-compat/fake-rfc2553.c | 7 +++++++
 openbsd-compat/fake-rfc2553.h | 3 +++
 3 files changed, 13 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index c969da6b..38634f33 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -42,6 +42,9 @@
      [scp.1]
      better description for -i flag:
      s/RSA authentication/public key authentication/
+ - (djm) [openbsd-compat/fake-rfc2553.c openbsd-compat/fake-rfc2553.h]
+   return EAI_FAMILY when trying to lookup unsupported address family;
+   from vinschen AT redhat.com
 
 20080711
  - (djm) OpenBSD CVS Sync
diff --git a/openbsd-compat/fake-rfc2553.c b/openbsd-compat/fake-rfc2553.c
index b6ea3d21..096d9e09 100644
--- a/openbsd-compat/fake-rfc2553.c
+++ b/openbsd-compat/fake-rfc2553.c
@@ -51,6 +51,8 @@ int getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
 	struct hostent *hp;
 	char tmpserv[16];
 
+	if (sa->sa_family != AF_UNSPEC && sa->sa_family != AF_INET)
+		return (EAI_FAMILY);
 	if (serv != NULL) {
 		snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port));
 		if (strlcpy(serv, tmpserv, servlen) >= servlen)
@@ -95,6 +97,8 @@ gai_strerror(int err)
 		return ("memory allocation failure.");
 	case EAI_NONAME:
 		return ("nodename nor servname provided, or not known");
+	case EAI_FAMILY:
+		return ("ai_family not supported");
 	default:
 		return ("unknown/invalid error.");
 	}
@@ -159,6 +163,9 @@ getaddrinfo(const char *hostname, const char *servname,
 	u_long addr;
 
 	port = 0;
+	if (hints && hints->ai_family != AF_UNSPEC &&
+	    hints->ai_family != AF_INET)
+		return (EAI_FAMILY);
 	if (servname != NULL) {
 		char *cp;
 
diff --git a/openbsd-compat/fake-rfc2553.h b/openbsd-compat/fake-rfc2553.h
index a4ed6705..376009d4 100644
--- a/openbsd-compat/fake-rfc2553.h
+++ b/openbsd-compat/fake-rfc2553.h
@@ -129,6 +129,9 @@ struct sockaddr_in6 {
 #ifndef EAI_SYSTEM
 # define EAI_SYSTEM	(INT_MAX - 4)
 #endif
+#ifndef EAI_FAMILY
+# define EAI_FAMILY	(INT_MAX - 5)
+#endif
 
 #ifndef HAVE_STRUCT_ADDRINFO
 struct addrinfo {
-- 
2.45.1