version.c@ 106165

最後變更在這個檔案從106165是 104083,由 vboxsync 提交於 8 月前
curl-8.7.1: Applied and adjusted our curl changes to 8.4.0. bugref:10639
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1	/***************************************************************************
2	* _ _ ____ _
3	* Project ___\| \| \| \| _ \\| \|
4	* / __\| \| \| \| \|_) \| \|
5	* \| (__\| \|_\| \| _ <\| \|___
6	* \___\|\___/\|_\| \_\_____\|
7	*
8	* Copyright (C) Daniel Stenberg, <[email protected]>, 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.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	* SPDX-License-Identifier: curl
22	*
23	***************************************************************************/
24
25	#include "curl_setup.h"
26
27	#ifdef USE_NGHTTP2
28	#include <nghttp2/nghttp2.h>
29	#endif
30
31	#include <curl/curl.h>
32	#include "urldata.h"
33	#include "vtls/vtls.h"
34	#include "http2.h"
35	#include "vssh/ssh.h"
36	#include "vquic/vquic.h"
37	#include "curl_printf.h"
38	#include "easy_lock.h"
39
40	#ifdef USE_ARES
41	# if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
42	defined(_WIN32)
43	# define CARES_STATICLIB
44	# endif
45	# include <ares.h>
46	#endif
47
48	#ifdef USE_LIBIDN2
49	#include <idn2.h>
50	#endif
51
52	#ifdef USE_LIBPSL
53	#include <libpsl.h>
54	#endif
55
56	#ifdef USE_LIBRTMP
57	#include <librtmp/rtmp.h>
58	#endif
59
60	#ifdef HAVE_LIBZ
61	#include <zlib.h>
62	#endif
63
64	#ifdef HAVE_BROTLI
65	#if defined(__GNUC__)
66	/* Ignore -Wvla warnings in brotli headers */
67	#pragma GCC diagnostic push
68	#pragma GCC diagnostic ignored "-Wvla"
69	#endif
70	#include <brotli/decode.h>
71	#if defined(__GNUC__)
72	#pragma GCC diagnostic pop
73	#endif
74	#endif
75
76	#ifdef HAVE_ZSTD
77	#include <zstd.h>
78	#endif
79
80	#ifdef USE_GSASL
81	#include <gsasl.h>
82	#endif
83
84	#ifdef USE_OPENLDAP
85	#include <ldap.h>
86	#endif
87
88	#ifdef HAVE_BROTLI
89	static void brotli_version(char *buf, size_t bufsz)
90	{
91	uint32_t brotli_version = BrotliDecoderVersion();
92	unsigned int major = brotli_version >> 24;
93	unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
94	unsigned int patch = brotli_version & 0x00000FFF;
95	(void)msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
96	}
97	#endif
98
99	#ifdef HAVE_ZSTD
100	static void zstd_version(char *buf, size_t bufsz)
101	{
102	unsigned long zstd_version = (unsigned long)ZSTD_versionNumber();
103	unsigned int major = (unsigned int)(zstd_version / (100 * 100));
104	unsigned int minor = (unsigned int)((zstd_version -
105	(major * 100 * 100)) / 100);
106	unsigned int patch = (unsigned int)(zstd_version -
107	(major * 100 * 100) - (minor * 100));
108	(void)msnprintf(buf, bufsz, "%u.%u.%u", major, minor, patch);
109	}
110	#endif
111
112	/*
113	* curl_version() returns a pointer to a static buffer.
114	*
115	* It is implemented to work multi-threaded by making sure repeated invokes
116	* generate the exact same string and never write any temporary data like
117	* zeros in the data.
118	*/
119
120	#define VERSION_PARTS 16 /* number of substrings we can concatenate */
121
122	char *curl_version(void)
123	{
124	static char out[300];
125	char *outp;
126	size_t outlen;
127	const char *src[VERSION_PARTS];
128	#ifdef USE_SSL
129	char ssl_version[200];
130	#endif
131	#ifdef HAVE_LIBZ
132	char z_version[40];
133	#endif
134	#ifdef HAVE_BROTLI
135	char br_version[40] = "brotli/";
136	#endif
137	#ifdef HAVE_ZSTD
138	char zst_version[40] = "zstd/";
139	#endif
140	#ifdef USE_ARES
141	char cares_version[40];
142	#endif
143	#if defined(USE_LIBIDN2)
144	char idn_version[40];
145	#endif
146	#ifdef USE_LIBPSL
147	char psl_version[40];
148	#endif
149	#ifdef USE_SSH
150	char ssh_version[40];
151	#endif
152	#ifdef USE_NGHTTP2
153	char h2_version[40];
154	#endif
155	#ifdef ENABLE_QUIC
156	char h3_version[40];
157	#endif
158	#ifdef USE_LIBRTMP
159	char rtmp_version[40];
160	#endif
161	#ifdef USE_HYPER
162	char hyper_buf[30];
163	#endif
164	#ifdef USE_GSASL
165	char gsasl_buf[30];
166	#endif
167	#ifdef USE_OPENLDAP
168	char ldap_buf[30];
169	#endif
170	int i = 0;
171	int j;
172
173	#ifdef DEBUGBUILD
174	/* Override version string when environment variable CURL_VERSION is set */
175	const char *debugversion = getenv("CURL_VERSION");
176	if(debugversion) {
177	strncpy(out, debugversion, sizeof(out)-1);
178	out[sizeof(out)-1] = '\0';
179	return out;
180	}
181	#endif
182
183	src[i++] = LIBCURL_NAME "/" LIBCURL_VERSION;
184	#ifdef USE_SSL
185	Curl_ssl_version(ssl_version, sizeof(ssl_version));
186	src[i++] = ssl_version;
187	#endif
188	#ifdef HAVE_LIBZ
189	msnprintf(z_version, sizeof(z_version), "zlib/%s", zlibVersion());
190	src[i++] = z_version;
191	#endif
192	#ifdef HAVE_BROTLI
193	brotli_version(&br_version[7], sizeof(br_version) - 7);
194	src[i++] = br_version;
195	#endif
196	#ifdef HAVE_ZSTD
197	zstd_version(&zst_version[5], sizeof(zst_version) - 5);
198	src[i++] = zst_version;
199	#endif
200	#ifdef USE_ARES
201	msnprintf(cares_version, sizeof(cares_version),
202	"c-ares/%s", ares_version(NULL));
203	src[i++] = cares_version;
204	#endif
205	#ifdef USE_LIBIDN2
206	msnprintf(idn_version, sizeof(idn_version),
207	"libidn2/%s", idn2_check_version(NULL));
208	src[i++] = idn_version;
209	#elif defined(USE_WIN32_IDN)
210	src[i++] = (char *)"WinIDN";
211	#endif
212
213	#ifdef USE_LIBPSL
214	{
215	#if defined(PSL_VERSION_MAJOR) && (PSL_VERSION_MAJOR > 0 \|\| \
216	PSL_VERSION_MINOR >= 11)
217	int num = psl_check_version_number(0);
218	msnprintf(psl_version, sizeof(psl_version), "libpsl/%d.%d.%d",
219	num >> 16, (num >> 8) & 0xff, num & 0xff);
220	#else
221	msnprintf(psl_version, sizeof(psl_version), "libpsl/%s",
222	psl_get_version());
223	#endif
224	src[i++] = psl_version;
225	}
226	#endif
227
228	#ifdef USE_SSH
229	Curl_ssh_version(ssh_version, sizeof(ssh_version));
230	src[i++] = ssh_version;
231	#endif
232	#ifdef USE_NGHTTP2
233	Curl_http2_ver(h2_version, sizeof(h2_version));
234	src[i++] = h2_version;
235	#endif
236	#ifdef ENABLE_QUIC
237	Curl_quic_ver(h3_version, sizeof(h3_version));
238	src[i++] = h3_version;
239	#endif
240	#ifdef USE_LIBRTMP
241	{
242	char suff[2];
243	if(RTMP_LIB_VERSION & 0xff) {
244	suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
245	suff[1] = '\0';
246	}
247	else
248	suff[0] = '\0';
249
250	msnprintf(rtmp_version, sizeof(rtmp_version), "librtmp/%d.%d%s",
251	RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
252	suff);
253	src[i++] = rtmp_version;
254	}
255	#endif
256	#ifdef USE_HYPER
257	msnprintf(hyper_buf, sizeof(hyper_buf), "Hyper/%s", hyper_version());
258	src[i++] = hyper_buf;
259	#endif
260	#ifdef USE_GSASL
261	msnprintf(gsasl_buf, sizeof(gsasl_buf), "libgsasl/%s",
262	gsasl_check_version(NULL));
263	src[i++] = gsasl_buf;
264	#endif
265	#ifdef USE_OPENLDAP
266	{
267	LDAPAPIInfo api;
268	api.ldapai_info_version = LDAP_API_INFO_VERSION;
269
270	if(ldap_get_option(NULL, LDAP_OPT_API_INFO, &api) == LDAP_OPT_SUCCESS) {
271	unsigned int patch = api.ldapai_vendor_version % 100;
272	unsigned int major = api.ldapai_vendor_version / 10000;
273	unsigned int minor =
274	((api.ldapai_vendor_version - major * 10000) - patch) / 100;
275	msnprintf(ldap_buf, sizeof(ldap_buf), "%s/%u.%u.%u",
276	api.ldapai_vendor_name, major, minor, patch);
277	src[i++] = ldap_buf;
278	ldap_memfree(api.ldapai_vendor_name);
279	ber_memvfree((void **)api.ldapai_extensions);
280	}
281	}
282	#endif
283
284	DEBUGASSERT(i <= VERSION_PARTS);
285
286	outp = &out[0];
287	outlen = sizeof(out);
288	for(j = 0; j < i; j++) {
289	size_t n = strlen(src[j]);
290	/* we need room for a space, the string and the final zero */
291	if(outlen <= (n + 2))
292	break;
293	if(j) {
294	/* prepend a space if not the first */
295	*outp++ = ' ';
296	outlen--;
297	}
298	memcpy(outp, src[j], n);
299	outp += n;
300	outlen -= n;
301	}
302	*outp = 0;
303
304	return out;
305	}
306
307	/* data for curl_version_info
308
309	Keep the list sorted alphabetically. It is also written so that each
310	protocol line has its own #if line to make things easier on the eye.
311	*/
312
313	static const char * const supported_protocols[] = {
314	#ifndef CURL_DISABLE_DICT
315	"dict",
316	#endif
317	#ifndef CURL_DISABLE_FILE
318	"file",
319	#endif
320	#ifndef CURL_DISABLE_FTP
321	"ftp",
322	#endif
323	#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
324	"ftps",
325	#endif
326	#ifndef CURL_DISABLE_GOPHER
327	"gopher",
328	#endif
329	#if defined(USE_SSL) && !defined(CURL_DISABLE_GOPHER)
330	"gophers",
331	#endif
332	#ifndef CURL_DISABLE_HTTP
333	"http",
334	#endif
335	#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
336	"https",
337	#endif
338	#ifndef CURL_DISABLE_IMAP
339	"imap",
340	#endif
341	#if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
342	"imaps",
343	#endif
344	#ifndef CURL_DISABLE_LDAP
345	"ldap",
346	#if !defined(CURL_DISABLE_LDAPS) && \
347	((defined(USE_OPENLDAP) && defined(USE_SSL)) \|\| \
348	(!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
349	"ldaps",
350	#endif
351	#endif
352	#ifndef CURL_DISABLE_MQTT
353	"mqtt",
354	#endif
355	#ifndef CURL_DISABLE_POP3
356	"pop3",
357	#endif
358	#if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
359	"pop3s",
360	#endif
361	#ifdef USE_LIBRTMP
362	"rtmp",
363	"rtmpe",
364	"rtmps",
365	"rtmpt",
366	"rtmpte",
367	"rtmpts",
368	#endif
369	#ifndef CURL_DISABLE_RTSP
370	"rtsp",
371	#endif
372	#if defined(USE_SSH) && !defined(USE_WOLFSSH)
373	"scp",
374	#endif
375	#ifdef USE_SSH
376	"sftp",
377	#endif
378	#if !defined(CURL_DISABLE_SMB) && defined(USE_CURL_NTLM_CORE)
379	"smb",
380	# ifdef USE_SSL
381	"smbs",
382	# endif
383	#endif
384	#ifndef CURL_DISABLE_SMTP
385	"smtp",
386	#endif
387	#if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
388	"smtps",
389	#endif
390	#ifndef CURL_DISABLE_TELNET
391	"telnet",
392	#endif
393	#ifndef CURL_DISABLE_TFTP
394	"tftp",
395	#endif
396	#ifdef USE_WEBSOCKETS
397	"ws",
398	#endif
399	#if defined(USE_SSL) && defined(USE_WEBSOCKETS)
400	"wss",
401	#endif
402
403	NULL
404	};
405
406	/*
407	* Feature presence run-time check functions.
408	*
409	* Warning: the value returned by these should not change between
410	* curl_global_init() and curl_global_cleanup() calls.
411	*/
412
413	#if defined(USE_LIBIDN2)
414	static int idn_present(curl_version_info_data *info)
415	{
416	return info->libidn != NULL;
417	}
418	#else
419	#define idn_present NULL
420	#endif
421
422	#if defined(USE_SSL) && !defined(CURL_DISABLE_PROXY) && \
423	!defined(CURL_DISABLE_HTTP)
424	static int https_proxy_present(curl_version_info_data *info)
425	{
426	(void) info;
427	return Curl_ssl_supports(NULL, SSLSUPP_HTTPS_PROXY);
428	}
429	#endif
430
431	/*
432	* Features table.
433	*
434	* Keep the features alphabetically sorted.
435	* Use FEATURE() macro to define an entry: this allows documentation check.
436	*/
437
438	#define FEATURE(name, present, bitmask) {(name), (present), (bitmask)}
439
440	struct feat {
441	const char *name;
442	int (present)(curl_version_info_data info);
443	int bitmask;
444	};
445
446	static const struct feat features_table[] = {
447	#ifndef CURL_DISABLE_ALTSVC
448	FEATURE("alt-svc", NULL, CURL_VERSION_ALTSVC),
449	#endif
450	#ifdef CURLRES_ASYNCH
451	FEATURE("AsynchDNS", NULL, CURL_VERSION_ASYNCHDNS),
452	#endif
453	#ifdef HAVE_BROTLI
454	FEATURE("brotli", NULL, CURL_VERSION_BROTLI),
455	#endif
456	#ifdef DEBUGBUILD
457	FEATURE("Debug", NULL, CURL_VERSION_DEBUG),
458	#endif
459	#ifdef USE_GSASL
460	FEATURE("gsasl", NULL, CURL_VERSION_GSASL),
461	#endif
462	#ifdef HAVE_GSSAPI
463	FEATURE("GSS-API", NULL, CURL_VERSION_GSSAPI),
464	#endif
465	#ifndef CURL_DISABLE_HSTS
466	FEATURE("HSTS", NULL, CURL_VERSION_HSTS),
467	#endif
468	#if defined(USE_NGHTTP2)
469	FEATURE("HTTP2", NULL, CURL_VERSION_HTTP2),
470	#endif
471	#if defined(ENABLE_QUIC)
472	FEATURE("HTTP3", NULL, CURL_VERSION_HTTP3),
473	#endif
474	#if defined(USE_SSL) && !defined(CURL_DISABLE_PROXY) && \
475	!defined(CURL_DISABLE_HTTP)
476	FEATURE("HTTPS-proxy", https_proxy_present, CURL_VERSION_HTTPS_PROXY),
477	#endif
478	#if defined(USE_LIBIDN2) \|\| defined(USE_WIN32_IDN)
479	FEATURE("IDN", idn_present, CURL_VERSION_IDN),
480	#endif
481	#ifdef ENABLE_IPV6
482	FEATURE("IPv6", NULL, CURL_VERSION_IPV6),
483	#endif
484	#ifdef USE_KERBEROS5
485	FEATURE("Kerberos", NULL, CURL_VERSION_KERBEROS5),
486	#endif
487	#if (SIZEOF_CURL_OFF_T > 4) && \
488	( (SIZEOF_OFF_T > 4) \|\| defined(USE_WIN32_LARGE_FILES) )
489	FEATURE("Largefile", NULL, CURL_VERSION_LARGEFILE),
490	#endif
491	#ifdef HAVE_LIBZ
492	FEATURE("libz", NULL, CURL_VERSION_LIBZ),
493	#endif
494	#ifdef CURL_WITH_MULTI_SSL
495	FEATURE("MultiSSL", NULL, CURL_VERSION_MULTI_SSL),
496	#endif
497	#ifdef USE_NTLM
498	FEATURE("NTLM", NULL, CURL_VERSION_NTLM),
499	#endif
500	#if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
501	defined(NTLM_WB_ENABLED)
502	FEATURE("NTLM_WB", NULL, CURL_VERSION_NTLM_WB),
503	#endif
504	#if defined(USE_LIBPSL)
505	FEATURE("PSL", NULL, CURL_VERSION_PSL),
506	#endif
507	#ifdef USE_SPNEGO
508	FEATURE("SPNEGO", NULL, CURL_VERSION_SPNEGO),
509	#endif
510	#ifdef USE_SSL
511	FEATURE("SSL", NULL, CURL_VERSION_SSL),
512	#endif
513	#ifdef USE_WINDOWS_SSPI
514	FEATURE("SSPI", NULL, CURL_VERSION_SSPI),
515	#endif
516	#ifdef GLOBAL_INIT_IS_THREADSAFE
517	FEATURE("threadsafe", NULL, CURL_VERSION_THREADSAFE),
518	#endif
519	#ifdef USE_TLS_SRP
520	FEATURE("TLS-SRP", NULL, CURL_VERSION_TLSAUTH_SRP),
521	#endif
522	#ifdef CURLDEBUG
523	FEATURE("TrackMemory", NULL, CURL_VERSION_CURLDEBUG),
524	#endif
525	#if defined(_WIN32) && defined(UNICODE) && defined(_UNICODE)
526	FEATURE("Unicode", NULL, CURL_VERSION_UNICODE),
527	#endif
528	#ifdef USE_UNIX_SOCKETS
529	FEATURE("UnixSockets", NULL, CURL_VERSION_UNIX_SOCKETS),
530	#endif
531	#ifdef HAVE_ZSTD
532	FEATURE("zstd", NULL, CURL_VERSION_ZSTD),
533	#endif
534	{NULL, NULL, 0}
535	};
536
537	static const char *feature_names[sizeof(features_table) /
538	sizeof(features_table[0])] = {NULL};
539
540
541	static curl_version_info_data version_info = {
542	CURLVERSION_NOW,
543	LIBCURL_VERSION,
544	LIBCURL_VERSION_NUM,
545	OS, /* as found by configure or set by hand at build-time */
546	0, /* features bitmask is built at run-time */
547	NULL, /* ssl_version */
548	0, /* ssl_version_num, this is kept at zero */
549	NULL, /* zlib_version */
550	supported_protocols,
551	NULL, /* c-ares version */
552	0, /* c-ares version numerical */
553	NULL, /* libidn version */
554	0, /* iconv version */
555	NULL, /* ssh lib version */
556	0, /* brotli_ver_num */
557	NULL, /* brotli version */
558	0, /* nghttp2 version number */
559	NULL, /* nghttp2 version string */
560	NULL, /* quic library string */
561	#ifdef CURL_CA_BUNDLE
562	CURL_CA_BUNDLE, /* cainfo */
563	#else
564	NULL,
565	#endif
566	#ifdef CURL_CA_PATH
567	CURL_CA_PATH, /* capath */
568	#else
569	NULL,
570	#endif
571	0, /* zstd_ver_num */
572	NULL, /* zstd version */
573	NULL, /* Hyper version */
574	NULL, /* gsasl version */
575	feature_names
576	};
577
578	curl_version_info_data *curl_version_info(CURLversion stamp)
579	{
580	size_t n;
581	const struct feat *p;
582	int features = 0;
583
584	#if defined(USE_SSH)
585	static char ssh_buffer[80];
586	#endif
587	#ifdef USE_SSL
588	#ifdef CURL_WITH_MULTI_SSL
589	static char ssl_buffer[200];
590	#else
591	static char ssl_buffer[80];
592	#endif
593	#endif
594	#ifdef HAVE_BROTLI
595	static char brotli_buffer[80];
596	#endif
597	#ifdef HAVE_ZSTD
598	static char zstd_buffer[80];
599	#endif
600
601	(void)stamp; /* avoid compiler warnings, we don't use this */
602
603	#ifdef USE_SSL
604	Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
605	version_info.ssl_version = ssl_buffer;
606	#endif
607
608	#ifdef HAVE_LIBZ
609	version_info.libz_version = zlibVersion();
610	/* libz left NULL if non-existing */
611	#endif
612	#ifdef USE_ARES
613	{
614	int aresnum;
615	version_info.ares = ares_version(&aresnum);
616	version_info.ares_num = aresnum;
617	}
618	#endif
619	#ifdef USE_LIBIDN2
620	/* This returns a version string if we use the given version or later,
621	otherwise it returns NULL */
622	version_info.libidn = idn2_check_version(IDN2_VERSION);
623	#endif
624
625	#if defined(USE_SSH)
626	Curl_ssh_version(ssh_buffer, sizeof(ssh_buffer));
627	version_info.libssh_version = ssh_buffer;
628	#endif
629
630	#ifdef HAVE_BROTLI
631	version_info.brotli_ver_num = BrotliDecoderVersion();
632	brotli_version(brotli_buffer, sizeof(brotli_buffer));
633	version_info.brotli_version = brotli_buffer;
634	#endif
635
636	#ifdef HAVE_ZSTD
637	version_info.zstd_ver_num = (unsigned int)ZSTD_versionNumber();
638	zstd_version(zstd_buffer, sizeof(zstd_buffer));
639	version_info.zstd_version = zstd_buffer;
640	#endif
641
642	#ifdef USE_NGHTTP2
643	{
644	nghttp2_info *h2 = nghttp2_version(0);
645	version_info.nghttp2_ver_num = h2->version_num;
646	version_info.nghttp2_version = h2->version_str;
647	}
648	#endif
649
650	#ifdef ENABLE_QUIC
651	{
652	static char quicbuffer[80];
653	Curl_quic_ver(quicbuffer, sizeof(quicbuffer));
654	version_info.quic_version = quicbuffer;
655	}
656	#endif
657
658	#ifdef USE_HYPER
659	{
660	static char hyper_buffer[30];
661	msnprintf(hyper_buffer, sizeof(hyper_buffer), "Hyper/%s", hyper_version());
662	version_info.hyper_version = hyper_buffer;
663	}
664	#endif
665
666	#ifdef USE_GSASL
667	{
668	version_info.gsasl_version = gsasl_check_version(NULL);
669	}
670	#endif
671
672	/* Get available features, build bitmask and names array. */
673	n = 0;
674	for(p = features_table; p->name; p++)
675	if(!p->present \|\| p->present(&version_info)) {
676	features \|= p->bitmask;
677	feature_names[n++] = p->name;
678	}
679
680	feature_names[n] = NULL; /* Terminate array. */
681	version_info.features = features;
682
683	return &version_info;
684	}

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