1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2015, 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 http://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 "curl_printf.h"
30
31 #ifdef USE_ARES
32 # if defined(CURL_STATICLIB) && !defined(CARES_STATICLIB) && \
33 (defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__))
34 # define CARES_STATICLIB
35 # endif
36 # include <ares.h>
37 #endif
38
39 #ifdef USE_LIBIDN
40 #include <stringprep.h>
41 #endif
42
43 #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
44 #include <iconv.h>
45 #endif
46
47 #ifdef USE_LIBRTMP
48 #include <librtmp/rtmp.h>
49 #endif
50
51 #ifdef USE_LIBSSH2
52 #include <libssh2.h>
53 #endif
54
55 #ifdef HAVE_LIBSSH2_VERSION
56 /* get it run-time if possible */
57 #define CURL_LIBSSH2_VERSION libssh2_version(0)
58 #else
59 /* use build-time if run-time not possible */
60 #define CURL_LIBSSH2_VERSION LIBSSH2_VERSION
61 #endif
62
curl_version(void)63 char *curl_version(void)
64 {
65 static char version[200];
66 char *ptr = version;
67 size_t len;
68 size_t left = sizeof(version);
69
70 strcpy(ptr, LIBCURL_NAME "/" LIBCURL_VERSION);
71 len = strlen(ptr);
72 left -= len;
73 ptr += len;
74
75 if(left > 1) {
76 len = Curl_ssl_version(ptr + 1, left - 1);
77
78 if(len > 0) {
79 *ptr = ' ';
80 left -= ++len;
81 ptr += len;
82 }
83 }
84
85 #ifdef HAVE_LIBZ
86 len = snprintf(ptr, left, " zlib/%s", zlibVersion());
87 left -= len;
88 ptr += len;
89 #endif
90 #ifdef USE_ARES
91 /* this function is only present in c-ares, not in the original ares */
92 len = snprintf(ptr, left, " c-ares/%s", ares_version(NULL));
93 left -= len;
94 ptr += len;
95 #endif
96 #ifdef USE_LIBIDN
97 if(stringprep_check_version(LIBIDN_REQUIRED_VERSION)) {
98 len = snprintf(ptr, left, " libidn/%s", stringprep_check_version(NULL));
99 left -= len;
100 ptr += len;
101 }
102 #endif
103 #ifdef USE_WIN32_IDN
104 len = snprintf(ptr, left, " WinIDN");
105 left -= len;
106 ptr += len;
107 #endif
108 #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
109 #ifdef _LIBICONV_VERSION
110 len = snprintf(ptr, left, " iconv/%d.%d",
111 _LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
112 #else
113 /* version unknown */
114 len = snprintf(ptr, left, " iconv");
115 #endif /* _LIBICONV_VERSION */
116 left -= len;
117 ptr += len;
118 #endif
119 #ifdef USE_LIBSSH2
120 len = snprintf(ptr, left, " libssh2/%s", CURL_LIBSSH2_VERSION);
121 left -= len;
122 ptr += len;
123 #endif
124 #ifdef USE_NGHTTP2
125 len = Curl_http2_ver(ptr, left);
126 left -= len;
127 ptr += len;
128 #endif
129 #ifdef USE_LIBRTMP
130 {
131 char suff[2];
132 if(RTMP_LIB_VERSION & 0xff) {
133 suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
134 suff[1] = '\0';
135 }
136 else
137 suff[0] = '\0';
138
139 snprintf(ptr, left, " librtmp/%d.%d%s",
140 RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
141 suff);
142 /*
143 If another lib version is added below this one, this code would
144 also have to do:
145
146 len = what snprintf() returned
147
148 left -= len;
149 ptr += len;
150 */
151 }
152 #endif
153
154 return version;
155 }
156
157 /* data for curl_version_info
158
159 Keep the list sorted alphabetically. It is also written so that each
160 protocol line has its own #if line to make things easier on the eye.
161 */
162
163 static const char * const protocols[] = {
164 #ifndef CURL_DISABLE_DICT
165 "dict",
166 #endif
167 #ifndef CURL_DISABLE_FILE
168 "file",
169 #endif
170 #ifndef CURL_DISABLE_FTP
171 "ftp",
172 #endif
173 #if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
174 "ftps",
175 #endif
176 #ifndef CURL_DISABLE_GOPHER
177 "gopher",
178 #endif
179 #ifndef CURL_DISABLE_HTTP
180 "http",
181 #endif
182 #if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
183 "https",
184 #endif
185 #ifndef CURL_DISABLE_IMAP
186 "imap",
187 #endif
188 #if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
189 "imaps",
190 #endif
191 #ifndef CURL_DISABLE_LDAP
192 "ldap",
193 #if !defined(CURL_DISABLE_LDAPS) && \
194 ((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
195 (!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
196 "ldaps",
197 #endif
198 #endif
199 #ifndef CURL_DISABLE_POP3
200 "pop3",
201 #endif
202 #if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
203 "pop3s",
204 #endif
205 #ifdef USE_LIBRTMP
206 "rtmp",
207 #endif
208 #ifndef CURL_DISABLE_RTSP
209 "rtsp",
210 #endif
211 #ifdef USE_LIBSSH2
212 "scp",
213 #endif
214 #ifdef USE_LIBSSH2
215 "sftp",
216 #endif
217 #if !defined(CURL_DISABLE_SMB) && defined(USE_NTLM) && \
218 (CURL_SIZEOF_CURL_OFF_T > 4) && \
219 (!defined(USE_WINDOWS_SSPI) || defined(USE_WIN32_CRYPTO))
220 "smb",
221 # ifdef USE_SSL
222 "smbs",
223 # endif
224 #endif
225 #ifndef CURL_DISABLE_SMTP
226 "smtp",
227 #endif
228 #if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
229 "smtps",
230 #endif
231 #ifndef CURL_DISABLE_TELNET
232 "telnet",
233 #endif
234 #ifndef CURL_DISABLE_TFTP
235 "tftp",
236 #endif
237
238 NULL
239 };
240
241 static curl_version_info_data version_info = {
242 CURLVERSION_NOW,
243 LIBCURL_VERSION,
244 LIBCURL_VERSION_NUM,
245 OS, /* as found by configure or set by hand at build-time */
246 0 /* features is 0 by default */
247 #ifdef ENABLE_IPV6
248 | CURL_VERSION_IPV6
249 #endif
250 #ifdef USE_SSL
251 | CURL_VERSION_SSL
252 #endif
253 #ifdef USE_NTLM
254 | CURL_VERSION_NTLM
255 #endif
256 #if !defined(CURL_DISABLE_HTTP) && defined(USE_NTLM) && \
257 defined(NTLM_WB_ENABLED)
258 | CURL_VERSION_NTLM_WB
259 #endif
260 #ifdef USE_SPNEGO
261 | CURL_VERSION_SPNEGO
262 #endif
263 #ifdef USE_KERBEROS5
264 | CURL_VERSION_KERBEROS5
265 #endif
266 #ifdef HAVE_GSSAPI
267 | CURL_VERSION_GSSAPI
268 #endif
269 #ifdef USE_WINDOWS_SSPI
270 | CURL_VERSION_SSPI
271 #endif
272 #ifdef HAVE_LIBZ
273 | CURL_VERSION_LIBZ
274 #endif
275 #ifdef DEBUGBUILD
276 | CURL_VERSION_DEBUG
277 #endif
278 #ifdef CURLDEBUG
279 | CURL_VERSION_CURLDEBUG
280 #endif
281 #ifdef CURLRES_ASYNCH
282 | CURL_VERSION_ASYNCHDNS
283 #endif
284 #if (CURL_SIZEOF_CURL_OFF_T > 4) && \
285 ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
286 | CURL_VERSION_LARGEFILE
287 #endif
288 #if defined(CURL_DOES_CONVERSIONS)
289 | CURL_VERSION_CONV
290 #endif
291 #if defined(USE_TLS_SRP)
292 | CURL_VERSION_TLSAUTH_SRP
293 #endif
294 #if defined(USE_NGHTTP2)
295 | CURL_VERSION_HTTP2
296 #endif
297 #if defined(USE_UNIX_SOCKETS)
298 | CURL_VERSION_UNIX_SOCKETS
299 #endif
300 ,
301 NULL, /* ssl_version */
302 0, /* ssl_version_num, this is kept at zero */
303 NULL, /* zlib_version */
304 protocols,
305 NULL, /* c-ares version */
306 0, /* c-ares version numerical */
307 NULL, /* libidn version */
308 0, /* iconv version */
309 NULL, /* ssh lib version */
310 };
311
curl_version_info(CURLversion stamp)312 curl_version_info_data *curl_version_info(CURLversion stamp)
313 {
314 #ifdef USE_LIBSSH2
315 static char ssh_buffer[80];
316 #endif
317
318 #ifdef USE_SSL
319 static char ssl_buffer[80];
320 Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
321 version_info.ssl_version = ssl_buffer;
322 #endif
323
324 #ifdef HAVE_LIBZ
325 version_info.libz_version = zlibVersion();
326 /* libz left NULL if non-existing */
327 #endif
328 #ifdef USE_ARES
329 {
330 int aresnum;
331 version_info.ares = ares_version(&aresnum);
332 version_info.ares_num = aresnum;
333 }
334 #endif
335 #ifdef USE_LIBIDN
336 /* This returns a version string if we use the given version or later,
337 otherwise it returns NULL */
338 version_info.libidn = stringprep_check_version(LIBIDN_REQUIRED_VERSION);
339 if(version_info.libidn)
340 version_info.features |= CURL_VERSION_IDN;
341 #elif defined(USE_WIN32_IDN)
342 version_info.features |= CURL_VERSION_IDN;
343 #endif
344
345 #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
346 #ifdef _LIBICONV_VERSION
347 version_info.iconv_ver_num = _LIBICONV_VERSION;
348 #else
349 /* version unknown */
350 version_info.iconv_ver_num = -1;
351 #endif /* _LIBICONV_VERSION */
352 #endif
353
354 #ifdef USE_LIBSSH2
355 snprintf(ssh_buffer, sizeof(ssh_buffer), "libssh2/%s", LIBSSH2_VERSION);
356 version_info.libssh_version = ssh_buffer;
357 #endif
358
359 (void)stamp; /* avoid compiler warnings, we don't use this */
360
361 return &version_info;
362 }
363