--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/interface.c	Fri Sep 26 17:05:23 2008 +0200
@@ -0,0 +1,99 @@
+/*  MasqMail
+    Copyright (C) 2000 Oliver Kurth
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "masqmail.h"
+
+/* define if you get problems... */
+/*#define SOCKADDR_OLD 1*/
+
+gboolean init_sockaddr(struct sockaddr_in *name, interface *iface)
+{
+  struct hostent *he;
+  struct in_addr ia;
+  
+#ifdef SOCKADDR_OLD
+  /* here I tried to be intelligent and failed. */
+  if(isalpha(iface->address[0])){
+    if ((he = gethostbyname(iface->address)) == NULL) {
+      logwrite(LOG_ALERT,
+	       "local address '%s' unknown. (deleting)\n",
+	       iface->address);
+      return FALSE;
+    }
+    memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
+  }else if(isdigit(iface->address[0])){
+    if(inet_aton(iface->address, &ia)){
+      memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
+    }else{
+      logwrite(LOG_ALERT,
+	       "invalid address '%s': inet_aton() failed (deleting)\n",
+	       iface->address);
+      return FALSE;
+    }
+  }else{
+    logwrite(LOG_ALERT,
+	     "invalid address '%s', should begin with a aphanumeric (deleting)\n",
+	     iface->address);
+    return FALSE;
+  }
+#else
+  /* this is how others to it. I follow the crowd... */
+  if(inet_aton(iface->address, &ia) != 0){
+    /* IP address */
+    memcpy(&(name->sin_addr), &ia, sizeof(name->sin_addr));
+  }else{
+    if ((he = gethostbyname(iface->address)) == NULL) {
+      logwrite(LOG_ALERT, "local address '%s' unknown. (deleting)\n", iface->address);
+      return FALSE;
+    }
+    memcpy(&(name->sin_addr), he->h_addr, sizeof(name->sin_addr));
+  }
+#endif
+  name->sin_family = AF_INET;
+  name->sin_port = htons(iface->port);
+
+  return TRUE;
+}
+
+int make_server_socket(interface *iface)
+{
+  int sock = -1;
+  struct sockaddr_in server;
+        
+  memset(&server, 0, sizeof(struct sockaddr_in));
+
+  /* Create the socket. */
+  sock = socket (PF_INET, SOCK_STREAM, 0);
+  if (sock < 0){
+    logwrite(LOG_ALERT, "socket: %s\n", strerror(errno));
+    return -1;
+  }
+        
+  if(init_sockaddr(&server, iface)){
+    /* bind the socket */
+    if (bind (sock, (struct sockaddr *) &server, sizeof (server)) < 0){
+      logwrite(LOG_ALERT, "bind: %s\n", strerror(errno));
+      return -1;
+    }
+  }else{
+    close(sock);
+    return -1;
+  }
+        
+  return sock;
+}