curl/lib/version.c
Daniel Stenberg d1d35ba85f Christopher R. Palmer made it possible to build libcurl with the
USE_WINDOWS_SSPI on Windows, and then libcurl will be built to use the native
way to do NTLM. SSPI also allows libcurl to pass on the current user and its
password in the request.
2005-03-10 23:15:29 +00:00

263 lines
6.1 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2005, 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 <string.h>
#include <stdio.h>
#include <curl/curl.h>
#include "urldata.h"
#define _MPRINTF_REPLACE /* use the internal *printf() functions */
#include <curl/mprintf.h>
#ifdef USE_ARES
#include <ares_version.h>
#endif
#ifdef USE_LIBIDN
#include <stringprep.h>
#endif
#ifdef USE_SSLEAY
static int getssl_version(char *ptr, size_t left, long *num)
{
#if (SSLEAY_VERSION_NUMBER >= 0x905000)
{
char sub[2];
unsigned long ssleay_value;
sub[1]='\0';
ssleay_value=SSLeay();
*num = (long)ssleay_value;
if(ssleay_value < 0x906000) {
ssleay_value=SSLEAY_VERSION_NUMBER;
sub[0]='\0';
}
else {
if(ssleay_value&0xff0) {
sub[0]=(char)((ssleay_value>>4)&0xff) + 'a' -1;
}
else
sub[0]='\0';
}
return snprintf(ptr, left, " OpenSSL/%lx.%lx.%lx%s",
(ssleay_value>>28)&0xf,
(ssleay_value>>20)&0xff,
(ssleay_value>>12)&0xff,
sub);
}
#else
*num = SSLEAY_VERSION_NUMBER;
#if (SSLEAY_VERSION_NUMBER >= 0x900000)
return snprintf(ptr, left, " OpenSSL/%lx.%lx.%lx",
(SSLEAY_VERSION_NUMBER>>28)&0xff,
(SSLEAY_VERSION_NUMBER>>20)&0xff,
(SSLEAY_VERSION_NUMBER>>12)&0xf);
#else
{
char sub[2];
sub[1]='\0';
if(SSLEAY_VERSION_NUMBER&0x0f) {
sub[0]=(SSLEAY_VERSION_NUMBER&0x0f) + 'a' -1;
}
else
sub[0]='\0';
return snprintf(ptr, left, " SSL/%x.%x.%x%s",
(SSLEAY_VERSION_NUMBER>>12)&0xff,
(SSLEAY_VERSION_NUMBER>>8)&0xf,
(SSLEAY_VERSION_NUMBER>>4)&0xf, sub);
}
#endif
#endif
}
#endif
char *curl_version(void)
{
static char version[200];
char *ptr=version;
/* to prevent compier warnings, we only declare len if we have code
that uses it */
#if defined(USE_SSLEAY) || defined(HAVE_LIBZ) || defined(USE_ARES) || \
defined(USE_LIBIDN)
int len;
#endif
size_t left = sizeof(version);
strcpy(ptr, LIBCURL_NAME "/" LIBCURL_VERSION );
ptr=strchr(ptr, '\0');
left -= strlen(ptr);
#ifdef USE_SSLEAY
{
long num;
len = getssl_version(ptr, left, &num);
left -= len;
ptr += len;
}
#endif
#ifdef HAVE_LIBZ
len = snprintf(ptr, left, " zlib/%s", zlibVersion());
left -= len;
ptr += len;
#endif
#ifdef USE_ARES
/* this function is only present in c-ares, not in the original ares */
len = snprintf(ptr, left, " c-ares/%s", ares_version(NULL));
left -= len;
ptr += len;
#endif
#ifdef USE_LIBIDN
if(stringprep_check_version(LIBIDN_REQUIRED_VERSION)) {
len = snprintf(ptr, left, " libidn/%s", stringprep_check_version(NULL));
left -= len;
ptr += len;
}
#endif
return version;
}
/* data for curl_version_info */
static const char * const protocols[] = {
#ifndef CURL_DISABLE_FTP
"ftp",
#endif
#ifndef CURL_DISABLE_GOPHER
"gopher",
#endif
#ifndef CURL_DISABLE_TELNET
"telnet",
#endif
#ifndef CURL_DISABLE_DICT
"dict",
#endif
#ifndef CURL_DISABLE_LDAP
"ldap",
#endif
#ifndef CURL_DISABLE_HTTP
"http",
#endif
#ifndef CURL_DISABLE_FILE
"file",
#endif
#ifdef USE_SSLEAY
#ifndef CURL_DISABLE_HTTP
"https",
#endif
#ifndef CURL_DISABLE_FTP
"ftps",
#endif
#endif
NULL
};
static curl_version_info_data version_info = {
CURLVERSION_NOW,
LIBCURL_VERSION,
LIBCURL_VERSION_NUM,
OS, /* as found by configure or set by hand at build-time */
0 /* features is 0 by default */
#ifdef ENABLE_IPV6
| CURL_VERSION_IPV6
#endif
#ifdef HAVE_KRB4
| CURL_VERSION_KERBEROS4
#endif
#ifdef USE_SSLEAY
| CURL_VERSION_SSL
#endif
#if defined(USE_SSLEAY) || defined(USE_WINDOWS_SSPI)
| CURL_VERSION_NTLM /* since this requires OpenSSL */
#endif
#ifdef HAVE_LIBZ
| CURL_VERSION_LIBZ
#endif
#ifdef HAVE_GSSAPI
| CURL_VERSION_GSSNEGOTIATE
#endif
#ifdef CURLDEBUG
| CURL_VERSION_DEBUG
#endif
#ifdef USE_ARES
| CURL_VERSION_ASYNCHDNS
#endif
#ifdef HAVE_SPNEGO
| CURL_VERSION_SPNEGO
#endif
#if defined(ENABLE_64BIT) && (SIZEOF_CURL_OFF_T > 4)
| CURL_VERSION_LARGEFILE
#endif
,
NULL, /* ssl_version */
0, /* ssl_version_num */
NULL, /* zlib_version */
protocols,
NULL, /* c-ares version */
0, /* c-ares version numerical */
NULL, /* libidn version */
};
curl_version_info_data *curl_version_info(CURLversion stamp)
{
#ifdef USE_SSLEAY
static char ssl_buffer[80];
long num;
getssl_version(ssl_buffer, sizeof(ssl_buffer), &num);
version_info.ssl_version = ssl_buffer;
version_info.ssl_version_num = num;
/* SSL stuff is left zero if undefined */
#endif
#ifdef HAVE_LIBZ
version_info.libz_version = zlibVersion();
/* libz left NULL if non-existing */
#endif
#ifdef USE_ARES
{
int aresnum;
version_info.ares = ares_version(&aresnum);
version_info.ares_num = aresnum;
}
#endif
#ifdef USE_LIBIDN
/* This returns a version string if we use the given version or later,
otherwise it returns NULL */
version_info.libidn = stringprep_check_version(LIBIDN_REQUIRED_VERSION);
if(version_info.libidn)
version_info.features |= CURL_VERSION_IDN;
#endif
(void)stamp; /* avoid compiler warnings, we don't use this */
return &version_info;
}