1 files changed, 110 insertions, 0 deletions
diff --git a/lib/if2ip.c b/lib/if2ip.c
new file mode 100644
index 000000000..f8a37bb12
--- /dev/null
+++ b/lib/if2ip.c
@@ -0,0 +1,110 @@
+/*****************************************************************************
+ *                                  _   _ ____  _     
+ *  Project                     ___| | | |  _ \| |    
+ *                             / __| | | | |_) | |    
+ *                            | (__| |_| |  _ <| |___ 
+ *                             \___|\___/|_| \_\_____|
+ *
+ *  The contents of this file are subject to the Mozilla Public License
+ *  Version 1.0 (the "License"); you may not use this file except in
+ *  compliance with the License. You may obtain a copy of the License at
+ *  http://www.mozilla.org/MPL/
+ *
+ *  Software distributed under the License is distributed on an "AS IS"
+ *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+ *  License for the specific language governing rights and limitations
+ *  under the License.
+ *
+ *  The Original Code is Curl.
+ *
+ *  The Initial Developer of the Original Code is Daniel Stenberg.
+ *
+ *  Portions created by the Initial Developer are Copyright (C) 1998.
+ *  All Rights Reserved.
+ *
+ * ------------------------------------------------------------
+ * Main author:
+ * - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
+ *
+ * 	http://curl.haxx.nu
+ *
+ * $Source$
+ * $Revision$
+ * $Date$
+ * $Author$
+ * $State$
+ * $Locker$
+ *
+ * ------------------------------------------------------------
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "setup.h"
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if ! defined(WIN32) && ! defined(__BEOS__)
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#include <netinet/in.h>
+#ifdef HAVE_NET_IF_H
+#include <net/if.h>
+#endif
+#include <sys/ioctl.h>
+
+/* -- if2ip() -- */
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
+#ifdef HAVE_SYS_SOCKIO_H
+#include <sys/sockio.h>
+#endif
+
+#define SYS_ERROR -1
+
+char *if2ip(char *interface)
+{
+  int dummy;
+  char *ip=NULL;
+  
+  if(!interface)
+    return NULL;
+
+  dummy = socket(AF_INET, SOCK_STREAM, 0);
+  if (SYS_ERROR == dummy) {
+    return NULL;
+  }
+  else {
+    struct ifreq req;
+    memset(&req, 0, sizeof(req));
+    strcpy(req.ifr_name, interface);
+    req.ifr_addr.sa_family = AF_INET;
+    if (SYS_ERROR == ioctl(dummy, SIOCGIFADDR, &req, sizeof(req))) {
+      return NULL;
+    }
+    else {
+      struct in_addr in;
+
+      struct sockaddr_in *s = (struct sockaddr_in *)&req.ifr_dstaddr;
+      memcpy(&in, &(s->sin_addr.s_addr), sizeof(in));
+      ip = (char *)strdup(inet_ntoa(in));
+    }
+    close(dummy);
+  }
+  return ip;
+}
+
+/* -- end of if2ip() -- */
+#else
+#define if2ip(x) NULL
+#endif