675 lines
16 KiB
C
675 lines
16 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) 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.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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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef USE_NGHTTP2
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#include <nghttp2/nghttp2.h>
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#endif
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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 "vquic/vquic.h"
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#include "curl_printf.h"
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#include "easy_lock.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)
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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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#ifdef USE_LIBRTMP
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#include <librtmp/rtmp.h>
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#endif
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#ifdef HAVE_LIBZ
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#include <zlib.h>
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#endif
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#ifdef HAVE_BROTLI
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#if defined(__GNUC__)
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/* Ignore -Wvla warnings in brotli headers */
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wvla"
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#endif
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#include <brotli/decode.h>
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#if defined(__GNUC__)
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#pragma GCC diagnostic pop
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#endif
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#endif
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#ifdef HAVE_ZSTD
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#include <zstd.h>
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#endif
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#ifdef USE_GSASL
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#include <gsasl.h>
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#endif
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#ifdef USE_OPENLDAP
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#include <ldap.h>
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#endif
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#ifdef HAVE_BROTLI
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static void 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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(void)msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
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}
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#endif
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#ifdef HAVE_ZSTD
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static void zstd_version(char *buf, size_t bufsz)
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{
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unsigned long zstd_version = (unsigned long)ZSTD_versionNumber();
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unsigned int major = (unsigned int)(zstd_version / (100 * 100));
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unsigned int minor = (unsigned int)((zstd_version -
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(major * 100 * 100)) / 100);
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unsigned int patch = (unsigned int)(zstd_version -
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(major * 100 * 100) - (minor * 100));
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(void)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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#define VERSION_PARTS 16 /* number of substrings we can concatenate */
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char *curl_version(void)
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{
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static char out[300];
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char *outp;
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size_t outlen;
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const char *src[VERSION_PARTS];
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#ifdef USE_SSL
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char ssl_version[200];
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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 HAVE_ZSTD
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char zst_version[40] = "zstd/";
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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)
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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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#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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#ifdef USE_HYPER
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char hyper_buf[30];
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#endif
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#ifdef USE_GSASL
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char gsasl_buf[30];
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#endif
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#ifdef USE_OPENLDAP
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char ldap_buf[30];
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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 HAVE_ZSTD
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zstd_version(&zst_version[5], sizeof(zst_version) - 5);
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src[i++] = zst_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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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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#elif defined(USE_WIN32_IDN)
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src[i++] = (char *)"WinIDN";
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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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#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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#ifdef USE_HYPER
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msnprintf(hyper_buf, sizeof(hyper_buf), "Hyper/%s", hyper_version());
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src[i++] = hyper_buf;
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#endif
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#ifdef USE_GSASL
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msnprintf(gsasl_buf, sizeof(gsasl_buf), "libgsasl/%s",
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gsasl_check_version(NULL));
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src[i++] = gsasl_buf;
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#endif
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#ifdef USE_OPENLDAP
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{
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LDAPAPIInfo api;
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api.ldapai_info_version = LDAP_API_INFO_VERSION;
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if(ldap_get_option(NULL, LDAP_OPT_API_INFO, &api) == LDAP_OPT_SUCCESS) {
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unsigned int patch = api.ldapai_vendor_version % 100;
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unsigned int major = api.ldapai_vendor_version / 10000;
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unsigned int minor =
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((api.ldapai_vendor_version - major * 10000) - patch) / 100;
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msnprintf(ldap_buf, sizeof(ldap_buf), "%s/%u.%u.%u",
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api.ldapai_vendor_name, major, minor, patch);
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src[i++] = ldap_buf;
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ldap_memfree(api.ldapai_vendor_name);
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ber_memvfree((void **)api.ldapai_extensions);
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}
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}
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#endif
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DEBUGASSERT(i <= VERSION_PARTS);
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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 supported_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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#if defined(USE_SSL) && !defined(CURL_DISABLE_GOPHER)
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"gophers",
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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_MQTT
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"mqtt",
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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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"rtmpe",
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"rtmps",
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"rtmpt",
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"rtmpte",
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"rtmpts",
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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_CURL_NTLM_CORE)
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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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#ifdef USE_WEBSOCKETS
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"ws",
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#endif
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#if defined(USE_SSL) && defined(USE_WEBSOCKETS)
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"wss",
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#endif
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NULL
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};
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/*
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* Feature presence run-time check functions.
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*
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* Warning: the value returned by these should not change between
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* curl_global_init() and curl_global_cleanup() calls.
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*/
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#if defined(USE_LIBIDN2)
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static int idn_present(curl_version_info_data *info)
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{
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return info->libidn != NULL;
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}
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#else
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#define idn_present NULL
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_PROXY) && \
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!defined(CURL_DISABLE_HTTP)
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static int https_proxy_present(curl_version_info_data *info)
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{
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(void) info;
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return Curl_ssl_supports(NULL, SSLSUPP_HTTPS_PROXY);
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}
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#endif
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/*
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* Features table.
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*
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* Keep the features alphabetically sorted.
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* Use FEATURE() macro to define an entry: this allows documentation check.
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*/
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#define FEATURE(name, present, bitmask) {(name), (present), (bitmask)}
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struct feat {
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const char *name;
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int (*present)(curl_version_info_data *info);
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int bitmask;
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};
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static const struct feat features_table[] = {
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#ifndef CURL_DISABLE_ALTSVC
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FEATURE("alt-svc", NULL, CURL_VERSION_ALTSVC),
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#endif
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#ifdef CURLRES_ASYNCH
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FEATURE("AsynchDNS", NULL, CURL_VERSION_ASYNCHDNS),
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#endif
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#ifdef HAVE_BROTLI
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FEATURE("brotli", NULL, CURL_VERSION_BROTLI),
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#endif
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#ifdef DEBUGBUILD
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FEATURE("Debug", NULL, CURL_VERSION_DEBUG),
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#endif
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#ifdef USE_GSASL
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FEATURE("gsasl", NULL, CURL_VERSION_GSASL),
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#endif
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#ifdef HAVE_GSSAPI
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FEATURE("GSS-API", NULL, CURL_VERSION_GSSAPI),
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#endif
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#ifndef CURL_DISABLE_HSTS
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FEATURE("HSTS", NULL, CURL_VERSION_HSTS),
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#endif
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#if defined(USE_NGHTTP2)
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FEATURE("HTTP2", NULL, CURL_VERSION_HTTP2),
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#endif
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#if defined(ENABLE_QUIC)
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FEATURE("HTTP3", NULL, CURL_VERSION_HTTP3),
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#endif
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#if defined(USE_SSL) && !defined(CURL_DISABLE_PROXY) && \
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!defined(CURL_DISABLE_HTTP)
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FEATURE("HTTPS-proxy", https_proxy_present, CURL_VERSION_HTTPS_PROXY),
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#endif
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#if defined(USE_LIBIDN2) || defined(USE_WIN32_IDN)
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FEATURE("IDN", idn_present, CURL_VERSION_IDN),
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#endif
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#ifdef ENABLE_IPV6
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FEATURE("IPv6", NULL, CURL_VERSION_IPV6),
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#endif
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#ifdef USE_KERBEROS5
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FEATURE("Kerberos", NULL, CURL_VERSION_KERBEROS5),
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#endif
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#if (SIZEOF_CURL_OFF_T > 4) && \
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( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
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FEATURE("Largefile", NULL, CURL_VERSION_LARGEFILE),
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#endif
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#ifdef HAVE_LIBZ
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FEATURE("libz", NULL, CURL_VERSION_LIBZ),
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#endif
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#ifdef CURL_WITH_MULTI_SSL
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FEATURE("MultiSSL", NULL, CURL_VERSION_MULTI_SSL),
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#endif
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#ifdef USE_NTLM
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FEATURE("NTLM", NULL, 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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FEATURE("NTLM_WB", NULL, CURL_VERSION_NTLM_WB),
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#endif
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#if defined(USE_LIBPSL)
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FEATURE("PSL", NULL, CURL_VERSION_PSL),
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#endif
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#ifdef USE_SPNEGO
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FEATURE("SPNEGO", NULL, CURL_VERSION_SPNEGO),
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#endif
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#ifdef USE_SSL
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FEATURE("SSL", NULL, CURL_VERSION_SSL),
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#endif
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#ifdef USE_WINDOWS_SSPI
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FEATURE("SSPI", NULL, CURL_VERSION_SSPI),
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#endif
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#ifdef GLOBAL_INIT_IS_THREADSAFE
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FEATURE("threadsafe", NULL, CURL_VERSION_THREADSAFE),
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#endif
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#ifdef USE_TLS_SRP
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FEATURE("TLS-SRP", NULL, CURL_VERSION_TLSAUTH_SRP),
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#endif
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#ifdef CURLDEBUG
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FEATURE("TrackMemory", NULL, CURL_VERSION_CURLDEBUG),
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#endif
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#if defined(_WIN32) && defined(UNICODE) && defined(_UNICODE)
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FEATURE("Unicode", NULL, CURL_VERSION_UNICODE),
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#endif
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#ifdef USE_UNIX_SOCKETS
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FEATURE("UnixSockets", NULL, CURL_VERSION_UNIX_SOCKETS),
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#endif
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#ifdef HAVE_ZSTD
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|
FEATURE("zstd", NULL, CURL_VERSION_ZSTD),
|
|
#endif
|
|
{NULL, NULL, 0}
|
|
};
|
|
|
|
static const char *feature_names[sizeof(features_table) /
|
|
sizeof(features_table[0])] = {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 bitmask is built at run-time */
|
|
NULL, /* ssl_version */
|
|
0, /* ssl_version_num, this is kept at zero */
|
|
NULL, /* zlib_version */
|
|
supported_protocols,
|
|
NULL, /* c-ares version */
|
|
0, /* c-ares version numerical */
|
|
NULL, /* libidn version */
|
|
0, /* iconv version */
|
|
NULL, /* ssh lib version */
|
|
0, /* brotli_ver_num */
|
|
NULL, /* brotli version */
|
|
0, /* nghttp2 version number */
|
|
NULL, /* nghttp2 version string */
|
|
NULL, /* quic library string */
|
|
#ifdef CURL_CA_BUNDLE
|
|
CURL_CA_BUNDLE, /* cainfo */
|
|
#else
|
|
NULL,
|
|
#endif
|
|
#ifdef CURL_CA_PATH
|
|
CURL_CA_PATH, /* capath */
|
|
#else
|
|
NULL,
|
|
#endif
|
|
0, /* zstd_ver_num */
|
|
NULL, /* zstd version */
|
|
NULL, /* Hyper version */
|
|
NULL, /* gsasl version */
|
|
feature_names
|
|
};
|
|
|
|
curl_version_info_data *curl_version_info(CURLversion stamp)
|
|
{
|
|
size_t n;
|
|
const struct feat *p;
|
|
int features = 0;
|
|
|
|
#if defined(USE_SSH)
|
|
static char ssh_buffer[80];
|
|
#endif
|
|
#ifdef USE_SSL
|
|
#ifdef CURL_WITH_MULTI_SSL
|
|
static char ssl_buffer[200];
|
|
#else
|
|
static char ssl_buffer[80];
|
|
#endif
|
|
#endif
|
|
#ifdef HAVE_BROTLI
|
|
static char brotli_buffer[80];
|
|
#endif
|
|
#ifdef HAVE_ZSTD
|
|
static char zstd_buffer[80];
|
|
#endif
|
|
|
|
(void)stamp; /* avoid compiler warnings, we don't use this */
|
|
|
|
#ifdef USE_SSL
|
|
Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
|
|
version_info.ssl_version = ssl_buffer;
|
|
#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_LIBIDN2
|
|
/* This returns a version string if we use the given version or later,
|
|
otherwise it returns NULL */
|
|
version_info.libidn = idn2_check_version(IDN2_VERSION);
|
|
#endif
|
|
|
|
#if defined(USE_SSH)
|
|
Curl_ssh_version(ssh_buffer, sizeof(ssh_buffer));
|
|
version_info.libssh_version = ssh_buffer;
|
|
#endif
|
|
|
|
#ifdef HAVE_BROTLI
|
|
version_info.brotli_ver_num = BrotliDecoderVersion();
|
|
brotli_version(brotli_buffer, sizeof(brotli_buffer));
|
|
version_info.brotli_version = brotli_buffer;
|
|
#endif
|
|
|
|
#ifdef HAVE_ZSTD
|
|
version_info.zstd_ver_num = (unsigned int)ZSTD_versionNumber();
|
|
zstd_version(zstd_buffer, sizeof(zstd_buffer));
|
|
version_info.zstd_version = zstd_buffer;
|
|
#endif
|
|
|
|
#ifdef USE_NGHTTP2
|
|
{
|
|
nghttp2_info *h2 = nghttp2_version(0);
|
|
version_info.nghttp2_ver_num = h2->version_num;
|
|
version_info.nghttp2_version = h2->version_str;
|
|
}
|
|
#endif
|
|
|
|
#ifdef ENABLE_QUIC
|
|
{
|
|
static char quicbuffer[80];
|
|
Curl_quic_ver(quicbuffer, sizeof(quicbuffer));
|
|
version_info.quic_version = quicbuffer;
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_HYPER
|
|
{
|
|
static char hyper_buffer[30];
|
|
msnprintf(hyper_buffer, sizeof(hyper_buffer), "Hyper/%s", hyper_version());
|
|
version_info.hyper_version = hyper_buffer;
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_GSASL
|
|
{
|
|
version_info.gsasl_version = gsasl_check_version(NULL);
|
|
}
|
|
#endif
|
|
|
|
/* Get available features, build bitmask and names array. */
|
|
n = 0;
|
|
for(p = features_table; p->name; p++)
|
|
if(!p->present || p->present(&version_info)) {
|
|
features |= p->bitmask;
|
|
feature_names[n++] = p->name;
|
|
}
|
|
|
|
feature_names[n] = NULL; /* Terminate array. */
|
|
version_info.features = features;
|
|
|
|
return &version_info;
|
|
}
|