Patch from Fedora: tcp_wrappers.ume-ipv6.patch

2 files changed, 10 insertions, 8 deletions

diff --git a/hosts_access.c b/hosts_access.c
index 9c72fff..b273720 100644
--- a/hosts_access.c
+++ b/hosts_access.c
@@ -443,6 +443,15 @@ char   *string;
     int len, mask_len, i = 0;
     char ch;
 
+    /*
+     * Behavior of getaddrinfo() against IPv4-mapped IPv6 address is
+     * different between KAME and Solaris8.  While KAME returns
+     * AF_INET6, Solaris8 returns AF_INET.  So, we avoid this here.
+     */
+    if (STRN_EQ(string, "::ffff:", 7)
+	&& dot_quad_addr(string + 7) != INADDR_NONE)
+	return (masked_match4(net_tok, mask_tok, string + 7));
+
     memset(&hints, 0, sizeof(hints));
     hints.ai_family = AF_INET6;
     hints.ai_socktype = SOCK_STREAM;
@@ -452,13 +461,6 @@ char   *string;
     memcpy(&addr, res->ai_addr, sizeof(addr));
     freeaddrinfo(res);
 
-    if (IN6_IS_ADDR_V4MAPPED(&addr.sin6_addr)) {
-	if ((*(u_int32_t *)&net.sin6_addr.s6_addr[12] = dot_quad_addr(net_tok)) == INADDR_NONE
-	 || (mask = dot_quad_addr(mask_tok)) == INADDR_NONE)
-	    return (NO);
-	return ((*(u_int32_t *)&addr.sin6_addr.s6_addr[12] & mask) == *(u_int32_t *)&net.sin6_addr.s6_addr[12]);
-    }
-
     /* match IPv6 address against netnumber/prefixlen */
     len = strlen(net_tok);
     if (*net_tok != '[' || net_tok[len - 1] != ']')
diff --git a/socket.c b/socket.c
index 7e32a90..4b2c575 100644
--- a/socket.c
+++ b/socket.c
@@ -228,7 +228,7 @@ struct host_info *host;
 	hints.ai_family = sin->sa_family;
 	hints.ai_socktype = SOCK_STREAM;
 	hints.ai_flags = AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST;
-	if ((err = getaddrinfo(host->name, NULL, &hints, &res0) == 0)) {
+	if ((err = getaddrinfo(host->name, NULL, &hints, &res0)) == 0) {
 	    freeaddrinfo(res0);
 	    res0 = NULL;
 	    tcpd_warn("host name/name mismatch: "