1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2007, 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 * $Id: version.c,v 1.59 2008-08-26 01:40:19 yangtse Exp $
22 ***************************************************************************/
23
24 #include "setup.h"
25
26 #include <string.h>
27 #include <stdio.h>
28
29 #include <curl/curl.h>
30 #include "urldata.h"
31 #include "sslgen.h"
32
33 #define _MPRINTF_REPLACE /* use the internal *printf() functions */
34 #include <curl/mprintf.h>
35
36 #ifdef USE_ARES
37 #include <ares_version.h>
38 #endif
39
40 #ifdef USE_LIBIDN
41 #include <stringprep.h>
42 #endif
43
44 #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
45 #include <iconv.h>
46 #endif
47
48 #ifdef USE_LIBSSH2
49 #include <libssh2.h>
50 #endif
51
52
curl_version(void)53 char *curl_version(void)
54 {
55 static char version[200];
56 char *ptr=version;
57 size_t len;
58 size_t left = sizeof(version);
59 strcpy(ptr, LIBCURL_NAME "/" LIBCURL_VERSION );
60 len = strlen(ptr);
61 left -= len;
62 ptr += len;
63
64 if(left > 1) {
65 len = Curl_ssl_version(ptr + 1, left - 1);
66
67 if(len > 0) {
68 *ptr = ' ';
69 left -= ++len;
70 ptr += len;
71 }
72 }
73
74 #ifdef HAVE_LIBZ
75 len = snprintf(ptr, left, " zlib/%s", zlibVersion());
76 left -= len;
77 ptr += len;
78 #endif
79 #ifdef USE_ARES
80 /* this function is only present in c-ares, not in the original ares */
81 len = snprintf(ptr, left, " c-ares/%s", ares_version(NULL));
82 left -= len;
83 ptr += len;
84 #endif
85 #ifdef USE_LIBIDN
86 if(stringprep_check_version(LIBIDN_REQUIRED_VERSION)) {
87 len = snprintf(ptr, left, " libidn/%s", stringprep_check_version(NULL));
88 left -= len;
89 ptr += len;
90 }
91 #endif
92 #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
93 #ifdef _LIBICONV_VERSION
94 len = snprintf(ptr, left, " iconv/%d.%d",
95 _LIBICONV_VERSION >> 8, _LIBICONV_VERSION & 255);
96 #else
97 /* version unknown */
98 len = snprintf(ptr, left, " iconv");
99 #endif /* _LIBICONV_VERSION */
100 left -= len;
101 ptr += len;
102 #endif
103 #ifdef USE_LIBSSH2
104 len = snprintf(ptr, left, " libssh2/%s", LIBSSH2_VERSION);
105 left -= len;
106 ptr += len;
107 #endif
108
109 return version;
110 }
111
112 /* data for curl_version_info */
113
114 static const char * const protocols[] = {
115 #ifndef CURL_DISABLE_TFTP
116 "tftp",
117 #endif
118 #ifndef CURL_DISABLE_FTP
119 "ftp",
120 #endif
121 #ifndef CURL_DISABLE_TELNET
122 "telnet",
123 #endif
124 #ifndef CURL_DISABLE_DICT
125 "dict",
126 #endif
127 #ifndef CURL_DISABLE_LDAP
128 "ldap",
129 #ifdef HAVE_LDAP_SSL
130 "ldaps",
131 #endif
132 #endif
133 #ifndef CURL_DISABLE_HTTP
134 "http",
135 #endif
136 #ifndef CURL_DISABLE_FILE
137 "file",
138 #endif
139
140 #ifdef USE_SSL
141 #ifndef CURL_DISABLE_HTTP
142 "https",
143 #endif
144 #ifndef CURL_DISABLE_FTP
145 "ftps",
146 #endif
147 #endif
148
149 #ifdef USE_LIBSSH2
150 "scp",
151 "sftp",
152 #endif
153
154 NULL
155 };
156
157 static curl_version_info_data version_info = {
158 CURLVERSION_NOW,
159 LIBCURL_VERSION,
160 LIBCURL_VERSION_NUM,
161 OS, /* as found by configure or set by hand at build-time */
162 0 /* features is 0 by default */
163 #ifdef ENABLE_IPV6
164 | CURL_VERSION_IPV6
165 #endif
166 #ifdef HAVE_KRB4
167 | CURL_VERSION_KERBEROS4
168 #endif
169 #ifdef USE_SSL
170 | CURL_VERSION_SSL
171 #endif
172 #ifdef USE_NTLM
173 | CURL_VERSION_NTLM
174 #endif
175 #ifdef USE_WINDOWS_SSPI
176 | CURL_VERSION_SSPI
177 #endif
178 #ifdef HAVE_LIBZ
179 | CURL_VERSION_LIBZ
180 #endif
181 #ifdef HAVE_GSSAPI
182 | CURL_VERSION_GSSNEGOTIATE
183 #endif
184 #ifdef CURLDEBUG
185 | CURL_VERSION_DEBUG
186 #endif
187 #ifdef USE_ARES
188 | CURL_VERSION_ASYNCHDNS
189 #endif
190 #ifdef HAVE_SPNEGO
191 | CURL_VERSION_SPNEGO
192 #endif
193 #if (CURL_SIZEOF_CURL_OFF_T > 4) && \
194 ( (SIZEOF_OFF_T > 4) || defined(USE_WIN32_LARGE_FILES) )
195 | CURL_VERSION_LARGEFILE
196 #endif
197 #if defined(CURL_DOES_CONVERSIONS)
198 | CURL_VERSION_CONV
199 #endif
200 ,
201 NULL, /* ssl_version */
202 0, /* ssl_version_num, this is kept at zero */
203 NULL, /* zlib_version */
204 protocols,
205 NULL, /* c-ares version */
206 0, /* c-ares version numerical */
207 NULL, /* libidn version */
208 0, /* iconv version */
209 NULL, /* ssh lib version */
210 };
211
curl_version_info(CURLversion stamp)212 curl_version_info_data *curl_version_info(CURLversion stamp)
213 {
214 #ifdef USE_LIBSSH2
215 static char ssh_buffer[80];
216 #endif
217
218 #ifdef USE_SSL
219 static char ssl_buffer[80];
220 Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
221 version_info.ssl_version = ssl_buffer;
222 #endif
223
224 #ifdef HAVE_LIBZ
225 version_info.libz_version = zlibVersion();
226 /* libz left NULL if non-existing */
227 #endif
228 #ifdef USE_ARES
229 {
230 int aresnum;
231 version_info.ares = ares_version(&aresnum);
232 version_info.ares_num = aresnum;
233 }
234 #endif
235 #ifdef USE_LIBIDN
236 /* This returns a version string if we use the given version or later,
237 otherwise it returns NULL */
238 version_info.libidn = stringprep_check_version(LIBIDN_REQUIRED_VERSION);
239 if(version_info.libidn)
240 version_info.features |= CURL_VERSION_IDN;
241 #endif
242
243 #if defined(HAVE_ICONV) && defined(CURL_DOES_CONVERSIONS)
244 #ifdef _LIBICONV_VERSION
245 version_info.iconv_ver_num = _LIBICONV_VERSION;
246 #else
247 /* version unknown */
248 version_info.iconv_ver_num = -1;
249 #endif /* _LIBICONV_VERSION */
250 #endif
251
252 #ifdef USE_LIBSSH2
253 snprintf(ssh_buffer, sizeof(ssh_buffer), "libssh2/%s", LIBSSH2_VERSION);
254 version_info.libssh_version = ssh_buffer;
255 #endif
256
257 (void)stamp; /* avoid compiler warnings, we don't use this */
258
259 return &version_info;
260 }
261