- (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

1 files changed, 7 insertions, 0 deletions

diff --git a/openbsd-compat/fake-rfc2553.c b/openbsd-compat/fake-rfc2553.c
index b6ea3d21e..096d9e092 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;