Annotation of embedaddon/curl/lib/version.c, revision 1.1
1.1 ! misho 1: /***************************************************************************
! 2: * _ _ ____ _
! 3: * Project ___| | | | _ \| |
! 4: * / __| | | | |_) | |
! 5: * | (__| |_| | _ <| |___
! 6: * \___|\___/|_| \_\_____|
! 7: *
! 8: * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
! 9: *
! 10: * This software is licensed as described in the file COPYING, which
! 11: * you should have received as part of this distribution. The terms
! 12: * are also available at https://curl.haxx.se/docs/copyright.html.
! 13: *
! 14: * You may opt to use, copy, modify, merge, publish, distribute and/or sell
! 15: * copies of the Software, and permit persons to whom the Software is
! 16: * furnished to do so, under the terms of the COPYING file.
! 17: *
! 18: * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! 19: * KIND, either express or implied.
! 20: *
! 21: ***************************************************************************/
! 22:
! 23: #include "curl_setup.h"
! 24:
! 25: #include <curl/curl.h>
! 26: #include "urldata.h"
! 27: #include "vtls/vtls.h"
! 28: #include "http2.h"
! 29: #include "vssh/ssh.h"
! 30: #include "quic.h"
! 31: #include "curl_printf.h"
! 32:
! 33: #ifdef USE_ARES
! 34: # if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
! 35: (defined(WIN32) || defined(__SYMBIAN32__))
! 36: # define CARES_STATICLIB
! 37: # endif
! 38: # include <ares.h>
! 39: #endif
! 40:
! 41: #ifdef USE_LIBIDN2
! 42: #include <idn2.h>
! 43: #endif
! 44:
! 45: #ifdef USE_LIBPSL
! 46: #include <libpsl.h>
! 47: #endif
! 48:
! 49: #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
! 50: #include <iconv.h>
! 51: #endif
! 52:
! 53: #ifdef USE_LIBRTMP
! 54: #include <librtmp/rtmp.h>
! 55: #endif
! 56:
! 57: #ifdef HAVE_ZLIB_H
! 58: #include <zlib.h>
! 59: #ifdef __SYMBIAN32__
! 60: /* zlib pollutes the namespace with this definition */
! 61: #undef WIN32
! 62: #endif
! 63: #endif
! 64:
! 65: #ifdef HAVE_BROTLI
! 66: #include <brotli/decode.h>
! 67: #endif
! 68:
! 69: #ifdef HAVE_BROTLI
! 70: static size_t brotli_version(char *buf, size_t bufsz)
! 71: {
! 72: uint32_t brotli_version = BrotliDecoderVersion();
! 73: unsigned int major = brotli_version >> 24;
! 74: unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
! 75: unsigned int patch = brotli_version & 0x00000FFF;
! 76:
! 77: return msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
! 78: }
! 79: #endif
! 80:
! 81: /*
! 82: * curl_version() returns a pointer to a static buffer.
! 83: *
! 84: * It is implemented to work multi-threaded by making sure repeated invokes
! 85: * generate the exact same string and never write any temporary data like
! 86: * zeros in the data.
! 87: */
! 88:
! 89: #define VERSION_PARTS 14 /* number of substrings we can concatenate */
! 90:
! 91: char *curl_version(void)
! 92: {
! 93: static char out[300];
! 94: char *outp;
! 95: size_t outlen;
! 96: const char *src[VERSION_PARTS];
! 97: #ifdef USE_SSL
! 98: char ssl_version[200];
! 99: #endif
! 100: #ifdef HAVE_LIBZ
! 101: char z_version[40];
! 102: #endif
! 103: #ifdef HAVE_BROTLI
! 104: char br_version[40] = "brotli/";
! 105: #endif
! 106: #ifdef USE_ARES
! 107: char cares_version[40];
! 108: #endif
! 109: #if defined(USE_LIBIDN2)
! 110: char idn_version[40];
! 111: #endif
! 112: #ifdef USE_LIBPSL
! 113: char psl_version[40];
! 114: #endif
! 115: #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
! 116: char iconv_version[40]="iconv";
! 117: #endif
! 118: #ifdef USE_SSH
! 119: char ssh_version[40];
! 120: #endif
! 121: #ifdef USE_NGHTTP2
! 122: char h2_version[40];
! 123: #endif
! 124: #ifdef ENABLE_QUIC
! 125: char h3_version[40];
! 126: #endif
! 127: #ifdef USE_LIBRTMP
! 128: char rtmp_version[40];
! 129: #endif
! 130: int i = 0;
! 131: int j;
! 132:
! 133: #ifdef DEBUGBUILD
! 134: /* Override version string when environment variable CURL_VERSION is set */
! 135: const char *debugversion = getenv("CURL_VERSION");
! 136: if(debugversion) {
! 137: strncpy(out, debugversion, sizeof(out)-1);
! 138: out[sizeof(out)-1] = '\0';
! 139: return out;
! 140: }
! 141: #endif
! 142:
! 143: src[i++] = LIBCURL_NAME "/" LIBCURL_VERSION;
! 144: #ifdef USE_SSL
! 145: Curl_ssl_version(ssl_version, sizeof(ssl_version));
! 146: src[i++] = ssl_version;
! 147: #endif
! 148: #ifdef HAVE_LIBZ
! 149: msnprintf(z_version, sizeof(z_version), "zlib/%s", zlibVersion());
! 150: src[i++] = z_version;
! 151: #endif
! 152: #ifdef HAVE_BROTLI
! 153: brotli_version(&br_version[7], sizeof(br_version) - 7);
! 154: src[i++] = br_version;
! 155: #endif
! 156: #ifdef USE_ARES
! 157: msnprintf(cares_version, sizeof(cares_version),
! 158: "c-ares/%s", ares_version(NULL));
! 159: src[i++] = cares_version;
! 160: #endif
! 161: #ifdef USE_LIBIDN2
! 162: msnprintf(idn_version, sizeof(idn_version),
! 163: "libidn2/%s", idn2_check_version(NULL));
! 164: src[i++] = idn_version;
! 165: #elif defined(USE_WIN32_IDN)
! 166: src[i++] = (char *)"WinIDN";
! 167: #endif
! 168:
! 169: #ifdef USE_LIBPSL
! 170: msnprintf(psl_version, sizeof(psl_version), "libpsl/%s", psl_get_version());
! 171: src[i++] = psl_version;
! 172: #endif
! 173: #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
! 174: #ifdef _LIBICONV_VERSION
! 175: msnprintf(iconv_version, sizeof(iconv_version), "iconv/%d.%d",
! 176: _LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
! 177: #else
! 178: /* version unknown, let the default stand */
! 179: #endif /* _LIBICONV_VERSION */
! 180: src[i++] = iconv_version;
! 181: #endif
! 182: #ifdef USE_SSH
! 183: Curl_ssh_version(ssh_version, sizeof(ssh_version));
! 184: src[i++] = ssh_version;
! 185: #endif
! 186: #ifdef USE_NGHTTP2
! 187: Curl_http2_ver(h2_version, sizeof(h2_version));
! 188: src[i++] = h2_version;
! 189: #endif
! 190: #ifdef ENABLE_QUIC
! 191: Curl_quic_ver(h3_version, sizeof(h3_version));
! 192: src[i++] = h3_version;
! 193: #endif
! 194: #ifdef USE_LIBRTMP
! 195: {
! 196: char suff[2];
! 197: if(RTMP_LIB_VERSION & 0xff) {
! 198: suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
! 199: suff[1] = '\0';
! 200: }
! 201: else
! 202: suff[0] = '\0';
! 203:
! 204: msnprintf(rtmp_version, sizeof(rtmp_version), "librtmp/%d.%d%s",
! 205: RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
! 206: suff);
! 207: src[i++] = rtmp_version;
! 208: }
! 209: #endif
! 210:
! 211: DEBUGASSERT(i <= VERSION_PARTS);
! 212:
! 213: outp = &out[0];
! 214: outlen = sizeof(out);
! 215: for(j = 0; j < i; j++) {
! 216: size_t n = strlen(src[j]);
! 217: /* we need room for a space, the string and the final zero */
! 218: if(outlen <= (n + 2))
! 219: break;
! 220: if(j) {
! 221: /* prepend a space if not the first */
! 222: *outp++ = ' ';
! 223: outlen--;
! 224: }
! 225: memcpy(outp, src[j], n);
! 226: outp += n;
! 227: outlen -= n;
! 228: }
! 229: *outp = 0;
! 230:
! 231: return out;
! 232: }
! 233:
! 234: /* data for curl_version_info
! 235:
! 236: Keep the list sorted alphabetically. It is also written so that each
! 237: protocol line has its own #if line to make things easier on the eye.
! 238: */
! 239:
! 240: static const char * const protocols[] = {
! 241: #ifndef CURL_DISABLE_DICT
! 242: "dict",
! 243: #endif
! 244: #ifndef CURL_DISABLE_FILE
! 245: "file",
! 246: #endif
! 247: #ifndef CURL_DISABLE_FTP
! 248: "ftp",
! 249: #endif
! 250: #if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
! 251: "ftps",
! 252: #endif
! 253: #ifndef CURL_DISABLE_GOPHER
! 254: "gopher",
! 255: #endif
! 256: #ifndef CURL_DISABLE_HTTP
! 257: "http",
! 258: #endif
! 259: #if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
! 260: "https",
! 261: #endif
! 262: #ifndef CURL_DISABLE_IMAP
! 263: "imap",
! 264: #endif
! 265: #if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
! 266: "imaps",
! 267: #endif
! 268: #ifndef CURL_DISABLE_LDAP
! 269: "ldap",
! 270: #if !defined(CURL_DISABLE_LDAPS) && \
! 271: ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
! 272: (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
! 273: "ldaps",
! 274: #endif
! 275: #endif
! 276: #ifdef CURL_ENABLE_MQTT
! 277: "mqtt",
! 278: #endif
! 279: #ifndef CURL_DISABLE_POP3
! 280: "pop3",
! 281: #endif
! 282: #if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
! 283: "pop3s",
! 284: #endif
! 285: #ifdef USE_LIBRTMP
! 286: "rtmp",
! 287: #endif
! 288: #ifndef CURL_DISABLE_RTSP
! 289: "rtsp",
! 290: #endif
! 291: #if defined(USE_SSH) && !defined(USE_WOLFSSH)
! 292: "scp",
! 293: #endif
! 294: #ifdef USE_SSH
! 295: "sftp",
! 296: #endif
! 297: #if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
! 298: (CURL_SIZEOF_CURL_OFF_T > 4) && \
! 299: (!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
! 300: "smb",
! 301: # ifdef USE_SSL
! 302: "smbs",
! 303: # endif
! 304: #endif
! 305: #ifndef CURL_DISABLE_SMTP
! 306: "smtp",
! 307: #endif
! 308: #if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
! 309: "smtps",
! 310: #endif
! 311: #ifndef CURL_DISABLE_TELNET
! 312: "telnet",
! 313: #endif
! 314: #ifndef CURL_DISABLE_TFTP
! 315: "tftp",
! 316: #endif
! 317:
! 318: NULL
! 319: };
! 320:
! 321: static curl_version_info_data version_info = {
! 322: CURLVERSION_NOW,
! 323: LIBCURL_VERSION,
! 324: LIBCURL_VERSION_NUM,
! 325: OS, /* as found by configure or set by hand at build-time */
! 326: 0 /* features is 0 by default */
! 327: #ifdef ENABLE_IPV6
! 328: | CURL_VERSION_IPV6
! 329: #endif
! 330: #ifdef USE_SSL
! 331: | CURL_VERSION_SSL
! 332: #endif
! 333: #ifdef USE_NTLM
! 334: | CURL_VERSION_NTLM
! 335: #endif
! 336: #if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
! 337: defined(NTLM_WB_ENABLED)
! 338: | CURL_VERSION_NTLM_WB
! 339: #endif
! 340: #ifdef USE_SPNEGO
! 341: | CURL_VERSION_SPNEGO
! 342: #endif
! 343: #ifdef USE_KERBEROS5
! 344: | CURL_VERSION_KERBEROS5
! 345: #endif
! 346: #ifdef HAVE_GSSAPI
! 347: | CURL_VERSION_GSSAPI
! 348: #endif
! 349: #ifdef USE_WINDOWS_SSPI
! 350: | CURL_VERSION_SSPI
! 351: #endif
! 352: #ifdef HAVE_LIBZ
! 353: | CURL_VERSION_LIBZ
! 354: #endif
! 355: #ifdef DEBUGBUILD
! 356: | CURL_VERSION_DEBUG
! 357: #endif
! 358: #ifdef CURLDEBUG
! 359: | CURL_VERSION_CURLDEBUG
! 360: #endif
! 361: #ifdef CURLRES_ASYNCH
! 362: | CURL_VERSION_ASYNCHDNS
! 363: #endif
! 364: #if (CURL_SIZEOF_CURL_OFF_T > 4) && \
! 365: ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
! 366: | CURL_VERSION_LARGEFILE
! 367: #endif
! 368: #if defined(CURL_DOES_CONVERSIONS)
! 369: | CURL_VERSION_CONV
! 370: #endif
! 371: #if defined(USE_TLS_SRP)
! 372: | CURL_VERSION_TLSAUTH_SRP
! 373: #endif
! 374: #if defined(USE_NGHTTP2)
! 375: | CURL_VERSION_HTTP2
! 376: #endif
! 377: #if defined(ENABLE_QUIC)
! 378: | CURL_VERSION_HTTP3
! 379: #endif
! 380: #if defined(USE_UNIX_SOCKETS)
! 381: | CURL_VERSION_UNIX_SOCKETS
! 382: #endif
! 383: #if defined(USE_LIBPSL)
! 384: | CURL_VERSION_PSL
! 385: #endif
! 386: #if defined(CURL_WITH_MULTI_SSL)
! 387: | CURL_VERSION_MULTI_SSL
! 388: #endif
! 389: #if defined(HAVE_BROTLI)
! 390: | CURL_VERSION_BROTLI
! 391: #endif
! 392: #if defined(USE_ALTSVC)
! 393: | CURL_VERSION_ALTSVC
! 394: #endif
! 395: ,
! 396: NULL, /* ssl_version */
! 397: 0, /* ssl_version_num, this is kept at zero */
! 398: NULL, /* zlib_version */
! 399: protocols,
! 400: NULL, /* c-ares version */
! 401: 0, /* c-ares version numerical */
! 402: NULL, /* libidn version */
! 403: 0, /* iconv version */
! 404: NULL, /* ssh lib version */
! 405: 0, /* brotli_ver_num */
! 406: NULL, /* brotli version */
! 407: 0, /* nghttp2 version number */
! 408: NULL, /* nghttp2 version string */
! 409: NULL, /* quic library string */
! 410: #ifdef CURL_CA_BUNDLE
! 411: CURL_CA_BUNDLE, /* cainfo */
! 412: #else
! 413: NULL,
! 414: #endif
! 415: #ifdef CURL_CA_PATH
! 416: CURL_CA_PATH /* capath */
! 417: #else
! 418: NULL
! 419: #endif
! 420: };
! 421:
! 422: curl_version_info_data *curl_version_info(CURLversion stamp)
! 423: {
! 424: #if defined(USE_SSH)
! 425: static char ssh_buffer[80];
! 426: #endif
! 427: #ifdef USE_SSL
! 428: #ifdef CURL_WITH_MULTI_SSL
! 429: static char ssl_buffer[200];
! 430: #else
! 431: static char ssl_buffer[80];
! 432: #endif
! 433: #endif
! 434: #ifdef HAVE_BROTLI
! 435: static char brotli_buffer[80];
! 436: #endif
! 437:
! 438: #ifdef USE_SSL
! 439: Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
! 440: version_info.ssl_version = ssl_buffer;
! 441: if(Curl_ssl->supports & SSLSUPP_HTTPS_PROXY)
! 442: version_info.features |= CURL_VERSION_HTTPS_PROXY;
! 443: else
! 444: version_info.features &= ~CURL_VERSION_HTTPS_PROXY;
! 445: #endif
! 446:
! 447: #ifdef HAVE_LIBZ
! 448: version_info.libz_version = zlibVersion();
! 449: /* libz left NULL if non-existing */
! 450: #endif
! 451: #ifdef USE_ARES
! 452: {
! 453: int aresnum;
! 454: version_info.ares = ares_version(&aresnum);
! 455: version_info.ares_num = aresnum;
! 456: }
! 457: #endif
! 458: #ifdef USE_LIBIDN2
! 459: /* This returns a version string if we use the given version or later,
! 460: otherwise it returns NULL */
! 461: version_info.libidn = idn2_check_version(IDN2_VERSION);
! 462: if(version_info.libidn)
! 463: version_info.features |= CURL_VERSION_IDN;
! 464: #elif defined(USE_WIN32_IDN)
! 465: version_info.features |= CURL_VERSION_IDN;
! 466: #endif
! 467:
! 468: #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
! 469: #ifdef _LIBICONV_VERSION
! 470: version_info.iconv_ver_num = _LIBICONV_VERSION;
! 471: #else
! 472: /* version unknown */
! 473: version_info.iconv_ver_num = -1;
! 474: #endif /* _LIBICONV_VERSION */
! 475: #endif
! 476:
! 477: #if defined(USE_SSH)
! 478: Curl_ssh_version(ssh_buffer, sizeof(ssh_buffer));
! 479: version_info.libssh_version = ssh_buffer;
! 480: #endif
! 481:
! 482: #ifdef HAVE_BROTLI
! 483: version_info.brotli_ver_num = BrotliDecoderVersion();
! 484: brotli_version(brotli_buffer, sizeof(brotli_buffer));
! 485: version_info.brotli_version = brotli_buffer;
! 486: #endif
! 487:
! 488: #ifdef USE_NGHTTP2
! 489: {
! 490: nghttp2_info *h2 = nghttp2_version(0);
! 491: version_info.nghttp2_ver_num = h2->version_num;
! 492: version_info.nghttp2_version = h2->version_str;
! 493: }
! 494: #endif
! 495:
! 496: #ifdef ENABLE_QUIC
! 497: {
! 498: static char quicbuffer[80];
! 499: Curl_quic_ver(quicbuffer, sizeof(quicbuffer));
! 500: version_info.quic_version = quicbuffer;
! 501: }
! 502: #endif
! 503:
! 504: (void)stamp; /* avoid compiler warnings, we don't use this */
! 505: return &version_info;
! 506: }
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