File tcp_wrappers_7.6-ipv6-mapped-v4.patch of Package tcpd

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File tcp_wrappers_7.6-ipv6-mapped-v4.patch of Package tcpd (Revision 1bd633266376142b5ea1e8891cdee03a)

Currently displaying revision 1bd633266376142b5ea1e8891cdee03a , Show latest

---
 hosts_access.c |    2 +-
 socket.c       |   14 +++++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)

Index: tcp_wrappers_7.6/hosts_access.c
===================================================================
--- tcp_wrappers_7.6.orig/hosts_access.c
+++ tcp_wrappers_7.6/hosts_access.c
@@ -461,7 +461,7 @@ char   *string;
      }
     return ((addr & mask) == net);
 }
- 
+
 /* string_match - match string against pattern 
  * 
  * tok = data read from /etc/hosts.*
Index: tcp_wrappers_7.6/socket.c
===================================================================
--- tcp_wrappers_7.6.orig/socket.c
+++ tcp_wrappers_7.6/socket.c
@@ -187,24 +187,28 @@ struct host_info *host;
 #ifdef INET6
     struct sockaddr *sin = (struct sockaddr *) host->sin;
     char *ap;
-    int alen;
+    int af;
 
     if (!sin)
         return;
-    switch (sin->sa_family) {
+
+    af = sin->sa_family;
+    switch (af) {
         case AF_INET:
             ap = (char *)&((struct sockaddr_in *)sin)->sin_addr;
-            alen = sizeof(struct in_addr);
             break;
         case AF_INET6:
             ap = (char *)&((struct sockaddr_in6 *)sin)->sin6_addr;
-            alen = sizeof(struct in6_addr);
+	    if (IN6_IS_ADDR_V4MAPPED(ap)) {
+		ap = &((struct in6_addr *) ap)->s6_addr32[3];
+		af = AF_INET;
+	    }
             break;
         default:
             return;
     }
     host->addr[0] = '\0';
-    inet_ntop(sin->sa_family, ap, host->addr, sizeof(host->addr));
+    inet_ntop(af, ap, host->addr, sizeof(host->addr));
 #else
     struct sockaddr_in *sin = host->sin;

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File tcp_wrappers_7.6-ipv6-mapped-v4.patch of Package tcpd (Revision 1bd633266376142b5ea1e8891cdee03a)

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