| /***************************************************************************** |
| * _ _ ____ _ |
| * 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@haxx.se> |
| * |
| * http://curl.haxx.se |
| * |
| * $Source$ |
| * $Revision$ |
| * $Date$ |
| * $Author$ |
| * $State$ |
| * $Locker$ |
| * |
| * ------------------------------------------------------------ |
| ****************************************************************************/ |
| |
| #include "setup.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| #if ! defined(WIN32) && ! defined(__BEOS__) |
| |
| #ifdef NEED_REENTRANT |
| #define _REENTRANT |
| #endif |
| |
| #ifdef HAVE_SYS_SOCKET_H |
| #include <sys/socket.h> |
| #endif |
| #ifdef HAVE_NETINET_IN_H |
| #include <netinet/in.h> |
| #endif |
| #ifdef HAVE_ARPA_INET_H |
| #include <arpa/inet.h> |
| #endif |
| |
| #ifdef HAVE_SYS_TIME_H |
| /* This must be before net/if.h for AIX 3.2 to enjoy life */ |
| #include <sys/time.h> |
| #endif |
| #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 |
| |
| #if defined(HAVE_INET_NTOA_R) && !defined(HAVE_INET_NTOA_R_DECL) |
| #include "inet_ntoa_r.h" |
| #endif |
| |
| #define SYS_ERROR -1 |
| |
| char *if2ip(char *interface, char *buf, int buf_size) |
| { |
| 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)); |
| #if defined(HAVE_INET_NTOA_R) |
| ip = inet_ntoa_r(in,buf,buf_size); |
| #else |
| ip = strncpy(buf,inet_ntoa(in),buf_size); |
| ip[buf_size - 1] = 0; |
| #endif |
| } |
| close(dummy); |
| } |
| return ip; |
| } |
| |
| /* -- end of if2ip() -- */ |
| #else |
| #define if2ip(x) NULL |
| #endif |