mirror of
https://github.com/moparisthebest/curl
synced 2024-12-24 17:18:48 -05:00
6de756c9b1
Suggested-by: Timothe Litt URL: https://curl.haxx.se/mail/lib-2020-03/0090.html Reviewed-by: Jay Satiro Closes #5150
505 lines
12 KiB
C
505 lines
12 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include <curl/curl.h>
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#include "urldata.h"
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#include "vtls/vtls.h"
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#include "http2.h"
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#include "vssh/ssh.h"
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#include "quic.h"
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#include "curl_printf.h"
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#ifdef USE_ARES
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# if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
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(defined(WIN32) || defined(__SYMBIAN32__))
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# define CARES_STATICLIB
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# endif
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# include <ares.h>
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#endif
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#ifdef USE_LIBIDN2
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#include <idn2.h>
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#endif
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#ifdef USE_LIBPSL
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#include <libpsl.h>
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#endif
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#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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#include <iconv.h>
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#endif
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#ifdef USE_LIBRTMP
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#include <librtmp/rtmp.h>
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#endif
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#ifdef HAVE_ZLIB_H
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#include <zlib.h>
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#ifdef __SYMBIAN32__
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/* zlib pollutes the namespace with this definition */
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#undef WIN32
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#endif
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#endif
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#ifdef HAVE_BROTLI
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#include <brotli/decode.h>
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#endif
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#ifdef HAVE_BROTLI
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static size_t brotli_version(char *buf, size_t bufsz)
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{
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uint32_t brotli_version = BrotliDecoderVersion();
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unsigned int major = brotli_version >> 24;
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unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
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unsigned int patch = brotli_version & 0x00000FFF;
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return msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
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}
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#endif
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/*
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* curl_version() returns a pointer to a static buffer.
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*
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* It is implemented to work multi-threaded by making sure repeated invokes
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* generate the exact same string and never write any temporary data like
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* zeros in the data.
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*/
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char *curl_version(void)
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{
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static char out[250];
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char *outp;
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size_t outlen;
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const char *src[14];
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#ifdef USE_SSL
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char ssl_version[40];
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#endif
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#ifdef HAVE_LIBZ
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char z_version[40];
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#endif
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#ifdef HAVE_BROTLI
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char br_version[40] = "brotli/";
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#endif
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#ifdef USE_ARES
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char cares_version[40];
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#endif
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#if defined(USE_LIBIDN2) || defined(USE_WIN32_IDN)
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char idn_version[40];
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#endif
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#ifdef USE_LIBPSL
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char psl_version[40];
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#endif
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#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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char iconv_version[40]="iconv";
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#endif
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#ifdef USE_SSH
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char ssh_version[40];
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#endif
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#ifdef USE_NGHTTP2
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char h2_version[40];
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#endif
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#ifdef ENABLE_QUIC
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char h3_version[40];
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#endif
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#ifdef USE_LIBRTMP
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char rtmp_version[40];
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#endif
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int i = 0;
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int j;
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#ifdef DEBUGBUILD
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/* Override version string when environment variable CURL_VERSION is set */
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const char *debugversion = getenv("CURL_VERSION");
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if(debugversion) {
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strncpy(out, debugversion, sizeof(out)-1);
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out[sizeof(out)-1] = '\0';
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return out;
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}
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#endif
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src[i++] = LIBCURL_NAME "/" LIBCURL_VERSION;
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#ifdef USE_SSL
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Curl_ssl_version(ssl_version, sizeof(ssl_version));
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src[i++] = ssl_version;
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#endif
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#ifdef HAVE_LIBZ
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msnprintf(z_version, sizeof(z_version), "zlib/%s", zlibVersion());
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src[i++] = z_version;
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#endif
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#ifdef HAVE_BROTLI
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brotli_version(&br_version[7], sizeof(br_version) - 7);
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src[i++] = br_version;
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#endif
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#ifdef USE_ARES
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msnprintf(cares_version, sizeof(cares_version),
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"c-ares/%s", ares_version(NULL));
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src[i++] = cares_version;
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#endif
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#ifdef USE_LIBIDN2
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if(idn2_check_version(IDN2_VERSION)) {
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msnprintf(idn_version, sizeof(idn_version),
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"libidn2/%s", idn2_check_version(NULL));
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src[i++] = idn_version;
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}
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#elif defined(USE_WIN32_IDN)
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msnprintf(idn_version, sizeof(idn_version), "WinIDN");
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src[i++] = idn_version;
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#endif
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#ifdef USE_LIBPSL
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msnprintf(psl_version, sizeof(psl_version), "libpsl/%s", psl_get_version());
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src[i++] = psl_version;
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#endif
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#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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#ifdef _LIBICONV_VERSION
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msnprintf(iconv_version, sizeof(iconv_version), "iconv/%d.%d",
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_LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
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#else
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/* version unknown, let the default stand */
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#endif /* _LIBICONV_VERSION */
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src[i++] = iconv_version;
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#endif
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#ifdef USE_SSH
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Curl_ssh_version(ssh_version, sizeof(ssh_version));
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src[i++] = ssh_version;
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#endif
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#ifdef USE_NGHTTP2
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Curl_http2_ver(h2_version, sizeof(h2_version));
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src[i++] = h2_version;
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#endif
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#ifdef ENABLE_QUIC
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Curl_quic_ver(h3_version, sizeof(h3_version));
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src[i++] = h3_version;
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#endif
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#ifdef USE_LIBRTMP
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{
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char suff[2];
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if(RTMP_LIB_VERSION & 0xff) {
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suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
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suff[1] = '\0';
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}
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else
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suff[0] = '\0';
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msnprintf(rtmp_version, sizeof(rtmp_version), "librtmp/%d.%d%s",
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RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
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suff);
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src[i++] = rtmp_version;
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}
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#endif
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outp = &out[0];
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outlen = sizeof(out);
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for(j = 0; j < i; j++) {
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size_t n = strlen(src[j]);
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/* we need room for a space, the string and the final zero */
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if(outlen <= (n + 2))
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break;
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if(j) {
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/* prepend a space if not the first */
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*outp++ = ' ';
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outlen--;
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}
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memcpy(outp, src[j], n);
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outp += n;
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outlen -= n;
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}
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*outp = 0;
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return out;
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}
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/* data for curl_version_info
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Keep the list sorted alphabetically. It is also written so that each
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protocol line has its own #if line to make things easier on the eye.
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*/
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static const char * const protocols[] = {
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#ifndef CURL_DISABLE_DICT
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"dict",
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#endif
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#ifndef CURL_DISABLE_FILE
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"file",
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#endif
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#ifndef CURL_DISABLE_FTP
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"ftp",
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
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"ftps",
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#endif
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#ifndef CURL_DISABLE_GOPHER
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"gopher",
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#endif
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#ifndef CURL_DISABLE_HTTP
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"http",
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
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"https",
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#endif
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#ifndef CURL_DISABLE_IMAP
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"imap",
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
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"imaps",
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#endif
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#ifndef CURL_DISABLE_LDAP
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"ldap",
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#if !defined(CURL_DISABLE_LDAPS) && \
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((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
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(!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
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"ldaps",
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#endif
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#endif
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#ifndef CURL_DISABLE_POP3
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"pop3",
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
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"pop3s",
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#endif
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#ifdef USE_LIBRTMP
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"rtmp",
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#endif
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#ifndef CURL_DISABLE_RTSP
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"rtsp",
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#endif
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#if defined(USE_SSH) && !defined(USE_WOLFSSH)
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"scp",
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#endif
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#ifdef USE_SSH
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"sftp",
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#endif
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#if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
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(CURL_SIZEOF_CURL_OFF_T > 4) && \
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(!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
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"smb",
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# ifdef USE_SSL
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"smbs",
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# endif
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#endif
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#ifndef CURL_DISABLE_SMTP
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"smtp",
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
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"smtps",
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#endif
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#ifndef CURL_DISABLE_TELNET
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"telnet",
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#endif
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#ifndef CURL_DISABLE_TFTP
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"tftp",
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#endif
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NULL
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};
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static curl_version_info_data version_info = {
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CURLVERSION_NOW,
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LIBCURL_VERSION,
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LIBCURL_VERSION_NUM,
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OS, /* as found by configure or set by hand at build-time */
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0 /* features is 0 by default */
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#ifdef ENABLE_IPV6
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| CURL_VERSION_IPV6
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#endif
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#ifdef USE_SSL
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| CURL_VERSION_SSL
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#endif
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#ifdef USE_NTLM
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| CURL_VERSION_NTLM
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#endif
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#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
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defined(NTLM_WB_ENABLED)
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| CURL_VERSION_NTLM_WB
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#endif
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#ifdef USE_SPNEGO
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| CURL_VERSION_SPNEGO
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#endif
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#ifdef USE_KERBEROS5
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| CURL_VERSION_KERBEROS5
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#endif
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#ifdef HAVE_GSSAPI
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| CURL_VERSION_GSSAPI
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#endif
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#ifdef USE_WINDOWS_SSPI
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| CURL_VERSION_SSPI
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#endif
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#ifdef HAVE_LIBZ
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| CURL_VERSION_LIBZ
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#endif
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#ifdef DEBUGBUILD
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| CURL_VERSION_DEBUG
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#endif
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#ifdef CURLDEBUG
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| CURL_VERSION_CURLDEBUG
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#endif
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#ifdef CURLRES_ASYNCH
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| CURL_VERSION_ASYNCHDNS
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#endif
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#if (CURL_SIZEOF_CURL_OFF_T > 4) && \
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( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
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| CURL_VERSION_LARGEFILE
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#endif
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#if defined(CURL_DOES_CONVERSIONS)
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| CURL_VERSION_CONV
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#endif
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#if defined(USE_TLS_SRP)
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| CURL_VERSION_TLSAUTH_SRP
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#endif
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#if defined(USE_NGHTTP2)
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| CURL_VERSION_HTTP2
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#endif
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#if defined(ENABLE_QUIC)
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| CURL_VERSION_HTTP3
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#endif
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#if defined(USE_UNIX_SOCKETS)
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| CURL_VERSION_UNIX_SOCKETS
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#endif
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#if defined(USE_LIBPSL)
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| CURL_VERSION_PSL
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#endif
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#if defined(CURL_WITH_MULTI_SSL)
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| CURL_VERSION_MULTI_SSL
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#endif
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#if defined(HAVE_BROTLI)
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| CURL_VERSION_BROTLI
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#endif
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#if defined(USE_ALTSVC)
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| CURL_VERSION_ALTSVC
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#endif
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#ifdef USE_ESNI
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| CURL_VERSION_ESNI
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#endif
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,
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NULL, /* ssl_version */
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0, /* ssl_version_num, this is kept at zero */
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NULL, /* zlib_version */
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protocols,
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NULL, /* c-ares version */
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0, /* c-ares version numerical */
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NULL, /* libidn version */
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0, /* iconv version */
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NULL, /* ssh lib version */
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0, /* brotli_ver_num */
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NULL, /* brotli version */
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0, /* nghttp2 version number */
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NULL, /* nghttp2 version string */
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NULL, /* quic library string */
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#ifdef CURL_CA_BUNDLE
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CURL_CA_BUNDLE, /* cainfo */
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#else
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NULL,
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#endif
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#ifdef CURL_CA_PATH
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CURL_CA_PATH /* capath */
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#else
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NULL
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#endif
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};
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curl_version_info_data *curl_version_info(CURLversion stamp)
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{
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#if defined(USE_SSH)
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static char ssh_buffer[80];
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#endif
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#ifdef USE_SSL
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#ifdef CURL_WITH_MULTI_SSL
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static char ssl_buffer[200];
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#else
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static char ssl_buffer[80];
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#endif
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#endif
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#ifdef HAVE_BROTLI
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static char brotli_buffer[80];
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#endif
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#ifdef USE_SSL
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Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
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version_info.ssl_version = ssl_buffer;
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if(Curl_ssl->supports & SSLSUPP_HTTPS_PROXY)
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version_info.features |= CURL_VERSION_HTTPS_PROXY;
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else
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version_info.features &= ~CURL_VERSION_HTTPS_PROXY;
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#endif
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#ifdef HAVE_LIBZ
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version_info.libz_version = zlibVersion();
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/* libz left NULL if non-existing */
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#endif
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#ifdef USE_ARES
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{
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int aresnum;
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version_info.ares = ares_version(&aresnum);
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version_info.ares_num = aresnum;
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}
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#endif
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#ifdef USE_LIBIDN2
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/* This returns a version string if we use the given version or later,
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otherwise it returns NULL */
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version_info.libidn = idn2_check_version(IDN2_VERSION);
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if(version_info.libidn)
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version_info.features |= CURL_VERSION_IDN;
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#elif defined(USE_WIN32_IDN)
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version_info.features |= CURL_VERSION_IDN;
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#endif
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#if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
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#ifdef _LIBICONV_VERSION
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version_info.iconv_ver_num = _LIBICONV_VERSION;
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#else
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/* version unknown */
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version_info.iconv_ver_num = -1;
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#endif /* _LIBICONV_VERSION */
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#endif
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#if defined(USE_SSH)
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Curl_ssh_version(ssh_buffer, sizeof(ssh_buffer));
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version_info.libssh_version = ssh_buffer;
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#endif
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#ifdef HAVE_BROTLI
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version_info.brotli_ver_num = BrotliDecoderVersion();
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brotli_version(brotli_buffer, sizeof(brotli_buffer));
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version_info.brotli_version = brotli_buffer;
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#endif
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#ifdef USE_NGHTTP2
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{
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nghttp2_info *h2 = nghttp2_version(0);
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version_info.nghttp2_ver_num = h2->version_num;
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version_info.nghttp2_version = h2->version_str;
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}
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#endif
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#ifdef ENABLE_QUIC
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{
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static char quicbuffer[80];
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Curl_quic_ver(quicbuffer, sizeof(quicbuffer));
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version_info.quic_version = quicbuffer;
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}
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#endif
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(void)stamp; /* avoid compiler warnings, we don't use this */
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return &version_info;
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}
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