[PATCH] Treat 0.0.0.0 as a local address

qmail-1.03-0.0.0.0-0.2

1 files changed, 8 insertions, 0 deletions

diff --git a/ipme.c b/ipme.c
index 1f190b7..9eabad0 100644
--- a/ipme.c
+++ b/ipme.c
@@ -23,6 +23,9 @@ struct ip_address *ip;
 {
   int i;
   if (ipme_init() != 1) return -1;
+  /* This is a hack. --sg */
+  if (ip->d[0] == 127)
+    return 1;
   for (i = 0;i < ipme.len;++i)
     if (byte_equal(&ipme.ix[i].ip,4,ip))
       return 1;
@@ -46,6 +49,11 @@ int ipme_init()
   ipme.len = 0;
   ix.pref = 0;
  
+  /* 0.0.0.0 is a special address which always refers to 
+   * "this host, this network", according to RFC 1122, Sec. 3.2.1.3a.
+  */
+  byte_copy(&ix.ip,4,"\0\0\0\0");
+  if (!ipalloc_append(&ipme,&ix)) { return 0; }
   if ((s = socket(AF_INET,SOCK_STREAM,0)) == -1) return -1;
  
   len = 256;