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- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2022, 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 https://curl.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.
- *
- * SPDX-License-Identifier: curl
- *
- ***************************************************************************/
- #include "curl_setup.h"
- #include <curl/curl.h>
- #include "urldata.h"
- #include "vtls/vtls.h"
- #include "http2.h"
- #include "vssh/ssh.h"
- #include "quic.h"
- #include "curl_printf.h"
- #include "easy_lock.h"
- #ifdef USE_ARES
- # if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
- defined(WIN32)
- # define CARES_STATICLIB
- # endif
- # include <ares.h>
- #endif
- #ifdef USE_LIBIDN2
- #include <idn2.h>
- #endif
- #ifdef USE_LIBPSL
- #include <libpsl.h>
- #endif
- #ifdef USE_LIBRTMP
- #include <librtmp/rtmp.h>
- #endif
- #ifdef HAVE_LIBZ
- #include <zlib.h>
- #endif
- #ifdef HAVE_BROTLI
- #include <brotli/decode.h>
- #endif
- #ifdef HAVE_ZSTD
- #include <zstd.h>
- #endif
- #ifdef USE_GSASL
- #include <gsasl.h>
- #endif
- #ifdef USE_OPENLDAP
- #include <ldap.h>
- #endif
- #ifdef HAVE_BROTLI
- static void brotli_version(char *buf, size_t bufsz)
- {
- uint32_t brotli_version = BrotliDecoderVersion();
- unsigned int major = brotli_version >> 24;
- unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
- unsigned int patch = brotli_version & 0x00000FFF;
- (void)msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
- }
- #endif
- #ifdef HAVE_ZSTD
- static void zstd_version(char *buf, size_t bufsz)
- {
- unsigned long zstd_version = (unsigned long)ZSTD_versionNumber();
- unsigned int major = (unsigned int)(zstd_version / (100 * 100));
- unsigned int minor = (unsigned int)((zstd_version -
- (major * 100 * 100)) / 100);
- unsigned int patch = (unsigned int)(zstd_version -
- (major * 100 * 100) - (minor * 100));
- (void)msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
- }
- #endif
- /*
- * curl_version() returns a pointer to a static buffer.
- *
- * It is implemented to work multi-threaded by making sure repeated invokes
- * generate the exact same string and never write any temporary data like
- * zeros in the data.
- */
- #define VERSION_PARTS 16 /* number of substrings we can concatenate */
- char *curl_version(void)
- {
- static char out[300];
- char *outp;
- size_t outlen;
- const char *src[VERSION_PARTS];
- #ifdef USE_SSL
- char ssl_version[200];
- #endif
- #ifdef HAVE_LIBZ
- char z_version[40];
- #endif
- #ifdef HAVE_BROTLI
- char br_version[40] = "brotli/";
- #endif
- #ifdef HAVE_ZSTD
- char zst_version[40] = "zstd/";
- #endif
- #ifdef USE_ARES
- char cares_version[40];
- #endif
- #if defined(USE_LIBIDN2)
- char idn_version[40];
- #endif
- #ifdef USE_LIBPSL
- char psl_version[40];
- #endif
- #ifdef USE_SSH
- char ssh_version[40];
- #endif
- #ifdef USE_NGHTTP2
- char h2_version[40];
- #endif
- #ifdef ENABLE_QUIC
- char h3_version[40];
- #endif
- #ifdef USE_LIBRTMP
- char rtmp_version[40];
- #endif
- #ifdef USE_HYPER
- char hyper_buf[30];
- #endif
- #ifdef USE_GSASL
- char gsasl_buf[30];
- #endif
- #ifdef USE_OPENLDAP
- char ldap_buf[30];
- #endif
- int i = 0;
- int j;
- #ifdef DEBUGBUILD
- /* Override version string when environment variable CURL_VERSION is set */
- const char *debugversion = getenv("CURL_VERSION");
- if(debugversion) {
- strncpy(out, debugversion, sizeof(out)-1);
- out[sizeof(out)-1] = '\0';
- return out;
- }
- #endif
- src[i++] = LIBCURL_NAME "/" LIBCURL_VERSION;
- #ifdef USE_SSL
- Curl_ssl_version(ssl_version, sizeof(ssl_version));
- src[i++] = ssl_version;
- #endif
- #ifdef HAVE_LIBZ
- msnprintf(z_version, sizeof(z_version), "zlib/%s", zlibVersion());
- src[i++] = z_version;
- #endif
- #ifdef HAVE_BROTLI
- brotli_version(&br_version[7], sizeof(br_version) - 7);
- src[i++] = br_version;
- #endif
- #ifdef HAVE_ZSTD
- zstd_version(&zst_version[5], sizeof(zst_version) - 5);
- src[i++] = zst_version;
- #endif
- #ifdef USE_ARES
- msnprintf(cares_version, sizeof(cares_version),
- "c-ares/%s", ares_version(NULL));
- src[i++] = cares_version;
- #endif
- #ifdef USE_LIBIDN2
- msnprintf(idn_version, sizeof(idn_version),
- "libidn2/%s", idn2_check_version(NULL));
- src[i++] = idn_version;
- #elif defined(USE_WIN32_IDN)
- src[i++] = (char *)"WinIDN";
- #endif
- #ifdef USE_LIBPSL
- msnprintf(psl_version, sizeof(psl_version), "libpsl/%s", psl_get_version());
- src[i++] = psl_version;
- #endif
- #ifdef USE_SSH
- Curl_ssh_version(ssh_version, sizeof(ssh_version));
- src[i++] = ssh_version;
- #endif
- #ifdef USE_NGHTTP2
- Curl_http2_ver(h2_version, sizeof(h2_version));
- src[i++] = h2_version;
- #endif
- #ifdef ENABLE_QUIC
- Curl_quic_ver(h3_version, sizeof(h3_version));
- src[i++] = h3_version;
- #endif
- #ifdef USE_LIBRTMP
- {
- char suff[2];
- if(RTMP_LIB_VERSION & 0xff) {
- suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
- suff[1] = '\0';
- }
- else
- suff[0] = '\0';
- msnprintf(rtmp_version, sizeof(rtmp_version), "librtmp/%d.%d%s",
- RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
- suff);
- src[i++] = rtmp_version;
- }
- #endif
- #ifdef USE_HYPER
- msnprintf(hyper_buf, sizeof(hyper_buf), "Hyper/%s", hyper_version());
- src[i++] = hyper_buf;
- #endif
- #ifdef USE_GSASL
- msnprintf(gsasl_buf, sizeof(gsasl_buf), "libgsasl/%s",
- gsasl_check_version(NULL));
- src[i++] = gsasl_buf;
- #endif
- #ifdef USE_OPENLDAP
- {
- LDAPAPIInfo api;
- api.ldapai_info_version = LDAP_API_INFO_VERSION;
- if(ldap_get_option(NULL, LDAP_OPT_API_INFO, &api) == LDAP_OPT_SUCCESS) {
- unsigned int patch = api.ldapai_vendor_version % 100;
- unsigned int major = api.ldapai_vendor_version / 10000;
- unsigned int minor =
- ((api.ldapai_vendor_version - major * 10000) - patch) / 100;
- msnprintf(ldap_buf, sizeof(ldap_buf), "%s/%u.%u.%u",
- api.ldapai_vendor_name, major, minor, patch);
- src[i++] = ldap_buf;
- ldap_memfree(api.ldapai_vendor_name);
- ber_memvfree((void **)api.ldapai_extensions);
- }
- }
- #endif
- DEBUGASSERT(i <= VERSION_PARTS);
- outp = &out[0];
- outlen = sizeof(out);
- for(j = 0; j < i; j++) {
- size_t n = strlen(src[j]);
- /* we need room for a space, the string and the final zero */
- if(outlen <= (n + 2))
- break;
- if(j) {
- /* prepend a space if not the first */
- *outp++ = ' ';
- outlen--;
- }
- memcpy(outp, src[j], n);
- outp += n;
- outlen -= n;
- }
- *outp = 0;
- return out;
- }
- /* data for curl_version_info
- Keep the list sorted alphabetically. It is also written so that each
- protocol line has its own #if line to make things easier on the eye.
- */
- static const char * const protocols[] = {
- #ifndef CURL_DISABLE_DICT
- "dict",
- #endif
- #ifndef CURL_DISABLE_FILE
- "file",
- #endif
- #ifndef CURL_DISABLE_FTP
- "ftp",
- #endif
- #if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
- "ftps",
- #endif
- #ifndef CURL_DISABLE_GOPHER
- "gopher",
- #endif
- #if defined(USE_SSL) && !defined(CURL_DISABLE_GOPHER)
- "gophers",
- #endif
- #ifndef CURL_DISABLE_HTTP
- "http",
- #endif
- #if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
- "https",
- #endif
- #ifndef CURL_DISABLE_IMAP
- "imap",
- #endif
- #if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
- "imaps",
- #endif
- #ifndef CURL_DISABLE_LDAP
- "ldap",
- #if !defined(CURL_DISABLE_LDAPS) && \
- ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
- (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
- "ldaps",
- #endif
- #endif
- #ifndef CURL_DISABLE_MQTT
- "mqtt",
- #endif
- #ifndef CURL_DISABLE_POP3
- "pop3",
- #endif
- #if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
- "pop3s",
- #endif
- #ifdef USE_LIBRTMP
- "rtmp",
- "rtmpe",
- "rtmps",
- "rtmpt",
- "rtmpte",
- "rtmpts",
- #endif
- #ifndef CURL_DISABLE_RTSP
- "rtsp",
- #endif
- #if defined(USE_SSH) && !defined(USE_WOLFSSH)
- "scp",
- #endif
- #ifdef USE_SSH
- "sftp",
- #endif
- #if !defined(CURL_DISABLE_SMB) && defined(USE_CURL_NTLM_CORE) && \
- (SIZEOF_CURL_OFF_T > 4)
- "smb",
- # ifdef USE_SSL
- "smbs",
- # endif
- #endif
- #ifndef CURL_DISABLE_SMTP
- "smtp",
- #endif
- #if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
- "smtps",
- #endif
- #ifndef CURL_DISABLE_TELNET
- "telnet",
- #endif
- #ifndef CURL_DISABLE_TFTP
- "tftp",
- #endif
- #ifdef USE_WEBSOCKETS
- "ws",
- #endif
- #if defined(USE_SSL) && defined(USE_WEBSOCKETS)
- "wss",
- #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 USE_SSL
- | CURL_VERSION_SSL
- #endif
- #ifdef USE_NTLM
- | CURL_VERSION_NTLM
- #endif
- #if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
- defined(NTLM_WB_ENABLED)
- | CURL_VERSION_NTLM_WB
- #endif
- #ifdef USE_SPNEGO
- | CURL_VERSION_SPNEGO
- #endif
- #ifdef USE_KERBEROS5
- | CURL_VERSION_KERBEROS5
- #endif
- #ifdef HAVE_GSSAPI
- | CURL_VERSION_GSSAPI
- #endif
- #ifdef USE_WINDOWS_SSPI
- | CURL_VERSION_SSPI
- #endif
- #ifdef HAVE_LIBZ
- | CURL_VERSION_LIBZ
- #endif
- #ifdef DEBUGBUILD
- | CURL_VERSION_DEBUG
- #endif
- #ifdef CURLDEBUG
- | CURL_VERSION_CURLDEBUG
- #endif
- #ifdef CURLRES_ASYNCH
- | CURL_VERSION_ASYNCHDNS
- #endif
- #if (SIZEOF_CURL_OFF_T > 4) && \
- ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
- | CURL_VERSION_LARGEFILE
- #endif
- #if defined(WIN32) && defined(UNICODE) && defined(_UNICODE)
- | CURL_VERSION_UNICODE
- #endif
- #if defined(USE_TLS_SRP)
- | CURL_VERSION_TLSAUTH_SRP
- #endif
- #if defined(USE_NGHTTP2) || defined(USE_HYPER)
- | CURL_VERSION_HTTP2
- #endif
- #if defined(ENABLE_QUIC)
- | CURL_VERSION_HTTP3
- #endif
- #if defined(USE_UNIX_SOCKETS)
- | CURL_VERSION_UNIX_SOCKETS
- #endif
- #if defined(USE_LIBPSL)
- | CURL_VERSION_PSL
- #endif
- #if defined(CURL_WITH_MULTI_SSL)
- | CURL_VERSION_MULTI_SSL
- #endif
- #if defined(HAVE_BROTLI)
- | CURL_VERSION_BROTLI
- #endif
- #if defined(HAVE_ZSTD)
- | CURL_VERSION_ZSTD
- #endif
- #ifndef CURL_DISABLE_ALTSVC
- | CURL_VERSION_ALTSVC
- #endif
- #ifndef CURL_DISABLE_HSTS
- | CURL_VERSION_HSTS
- #endif
- #if defined(USE_GSASL)
- | CURL_VERSION_GSASL
- #endif
- #if defined(GLOBAL_INIT_IS_THREADSAFE)
- | CURL_VERSION_THREADSAFE
- #endif
- ,
- NULL, /* ssl_version */
- 0, /* ssl_version_num, this is kept at zero */
- NULL, /* zlib_version */
- 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 */
- };
- curl_version_info_data *curl_version_info(CURLversion stamp)
- {
- #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
- #ifdef USE_SSL
- Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
- version_info.ssl_version = ssl_buffer;
- #ifndef CURL_DISABLE_PROXY
- if(Curl_ssl->supports & SSLSUPP_HTTPS_PROXY)
- version_info.features |= CURL_VERSION_HTTPS_PROXY;
- else
- version_info.features &= ~CURL_VERSION_HTTPS_PROXY;
- #endif
- #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);
- if(version_info.libidn)
- version_info.features |= CURL_VERSION_IDN;
- #elif defined(USE_WIN32_IDN)
- version_info.features |= CURL_VERSION_IDN;
- #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
- (void)stamp; /* avoid compiler warnings, we don't use this */
- return &version_info;
- }
|