132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at http://curl.haxx.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
* $Id$
|
|
***************************************************************************/
|
|
|
|
#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__) && !defined(__CYGWIN32__) && \
|
|
! defined(__riscos__)
|
|
|
|
#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
|
|
|
|
#ifdef VMS
|
|
#define IOCTL_3_ARGS
|
|
#include <inet.h>
|
|
#endif
|
|
|
|
/* The last #include file should be: */
|
|
#ifdef CURLDEBUG
|
|
#include "memdebug.h"
|
|
#endif
|
|
|
|
#ifdef DJGPP
|
|
#define IOCTL_3_ARGS
|
|
#endif
|
|
|
|
#define SYS_ERROR -1
|
|
|
|
char *Curl_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;
|
|
#ifdef IOCTL_3_ARGS
|
|
if (SYS_ERROR == ioctl(dummy, SIOCGIFADDR, &req)) {
|
|
#else
|
|
if (SYS_ERROR == ioctl(dummy, SIOCGIFADDR, &req, sizeof(req))) {
|
|
#endif
|
|
sclose(dummy);
|
|
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
|
|
}
|
|
sclose(dummy);
|
|
}
|
|
return ip;
|
|
}
|
|
|
|
/* -- end of if2ip() -- */
|
|
#else
|
|
#define if2ip(x) NULL
|
|
#endif
|