diff options
Diffstat (limited to 'Utilities/cmcurl/if2ip.c')
-rw-r--r-- | Utilities/cmcurl/if2ip.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/Utilities/cmcurl/if2ip.c b/Utilities/cmcurl/if2ip.c new file mode 100644 index 0000000..b4a98c6 --- /dev/null +++ b/Utilities/cmcurl/if2ip.c @@ -0,0 +1,134 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2006, 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 + +#include "if2ip.h" + +/* + * This test can probably be simplified to #if defined(SIOCGIFADDR) and + * moved after the following includes. + */ +#if !defined(WIN32) && !defined(__BEOS__) && !defined(__CYGWIN__) && \ + !defined(__riscos__) && !defined(__INTERIX) && !defined(NETWARE) && \ + !defined(_AMIGASF) && !defined(__minix) + +#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 +#ifdef HAVE_SYS_IOCTL_H +#include <sys/ioctl.h> +#endif + +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif + +#ifdef HAVE_SYS_SOCKIO_H +#include <sys/sockio.h> +#endif + +#ifdef VMS +#include <inet.h> +#endif + +#include "inet_ntop.h" +#include "memory.h" + +/* The last #include file should be: */ +#include "memdebug.h" + +#define SYS_ERROR -1 + +char *Curl_if2ip(const 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; + size_t len = strlen(interface); + memset(&req, 0, sizeof(req)); + if(len >= sizeof(req.ifr_name)) + return NULL; /* this can't be a fine interface name */ + memcpy(req.ifr_name, interface, len+1); + 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, sizeof(in)); + ip = (char *) Curl_inet_ntop(s->sin_family, &in, buf, buf_size); + } + sclose(dummy); + } + return ip; +} + +/* -- end of if2ip() -- */ +#else +char *Curl_if2ip(const char *interf, char *buf, int buf_size) +{ + (void) interf; + (void) buf; + (void) buf_size; + return NULL; +} +#endif |