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-rw-r--r--src/lib/libcrypto/conf/conf_lib.c392
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diff --git a/src/lib/libcrypto/conf/conf_lib.c b/src/lib/libcrypto/conf/conf_lib.c
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1/* conf_lib.c */
2/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <openssl/crypto.h>
61#include <openssl/err.h>
62#include <openssl/conf.h>
63#include <openssl/conf_api.h>
64#include <openssl/lhash.h>
65
66const char *CONF_version="CONF" OPENSSL_VERSION_PTEXT;
67
68static CONF_METHOD *default_CONF_method=NULL;
69
70/* The following section contains the "CONF classic" functions,
71 rewritten in terms of the new CONF interface. */
72
73int CONF_set_default_method(CONF_METHOD *meth)
74 {
75 default_CONF_method = meth;
76 return 1;
77 }
78
79LHASH *CONF_load(LHASH *conf, const char *file, long *eline)
80 {
81 LHASH *ltmp;
82 BIO *in=NULL;
83
84#ifdef VMS
85 in=BIO_new_file(file, "r");
86#else
87 in=BIO_new_file(file, "rb");
88#endif
89 if (in == NULL)
90 {
91 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
92 return NULL;
93 }
94
95 ltmp = CONF_load_bio(conf, in, eline);
96 BIO_free(in);
97
98 return ltmp;
99 }
100
101#ifndef NO_FP_API
102LHASH *CONF_load_fp(LHASH *conf, FILE *fp,long *eline)
103 {
104 BIO *btmp;
105 LHASH *ltmp;
106 if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
107 CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
108 return NULL;
109 }
110 ltmp = CONF_load_bio(conf, btmp, eline);
111 BIO_free(btmp);
112 return ltmp;
113 }
114#endif
115
116LHASH *CONF_load_bio(LHASH *conf, BIO *bp,long *eline)
117 {
118 CONF ctmp;
119 int ret;
120
121 if (default_CONF_method == NULL)
122 default_CONF_method = NCONF_default();
123
124 default_CONF_method->init(&ctmp);
125 ctmp.data = conf;
126 ret = NCONF_load_bio(&ctmp, bp, eline);
127 if (ret)
128 return ctmp.data;
129 return NULL;
130 }
131
132STACK_OF(CONF_VALUE) *CONF_get_section(LHASH *conf,char *section)
133 {
134 if (conf == NULL)
135 {
136 return NULL;
137 }
138 else
139 {
140 CONF ctmp;
141
142 if (default_CONF_method == NULL)
143 default_CONF_method = NCONF_default();
144
145 default_CONF_method->init(&ctmp);
146 ctmp.data = conf;
147 return NCONF_get_section(&ctmp, section);
148 }
149 }
150
151char *CONF_get_string(LHASH *conf,char *group,char *name)
152 {
153 if (conf == NULL)
154 {
155 return NCONF_get_string(NULL, group, name);
156 }
157 else
158 {
159 CONF ctmp;
160
161 if (default_CONF_method == NULL)
162 default_CONF_method = NCONF_default();
163
164 default_CONF_method->init(&ctmp);
165 ctmp.data = conf;
166 return NCONF_get_string(&ctmp, group, name);
167 }
168 }
169
170long CONF_get_number(LHASH *conf,char *group,char *name)
171 {
172 if (conf == NULL)
173 {
174 return NCONF_get_number(NULL, group, name);
175 }
176 else
177 {
178 CONF ctmp;
179
180 if (default_CONF_method == NULL)
181 default_CONF_method = NCONF_default();
182
183 default_CONF_method->init(&ctmp);
184 ctmp.data = conf;
185 return NCONF_get_number(&ctmp, group, name);
186 }
187 }
188
189void CONF_free(LHASH *conf)
190 {
191 CONF ctmp;
192
193 if (default_CONF_method == NULL)
194 default_CONF_method = NCONF_default();
195
196 default_CONF_method->init(&ctmp);
197 ctmp.data = conf;
198 NCONF_free_data(&ctmp);
199 }
200
201#ifndef NO_FP_API
202int CONF_dump_fp(LHASH *conf, FILE *out)
203 {
204 BIO *btmp;
205 int ret;
206
207 if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
208 CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
209 return 0;
210 }
211 ret = CONF_dump_bio(conf, btmp);
212 BIO_free(btmp);
213 return ret;
214 }
215#endif
216
217int CONF_dump_bio(LHASH *conf, BIO *out)
218 {
219 CONF ctmp;
220
221 if (default_CONF_method == NULL)
222 default_CONF_method = NCONF_default();
223
224 default_CONF_method->init(&ctmp);
225 ctmp.data = conf;
226 return NCONF_dump_bio(&ctmp, out);
227 }
228
229/* The following section contains the "New CONF" functions. They are
230 completely centralised around a new CONF structure that may contain
231 basically anything, but at least a method pointer and a table of data.
232 These functions are also written in terms of the bridge functions used
233 by the "CONF classic" functions, for consistency. */
234
235CONF *NCONF_new(CONF_METHOD *meth)
236 {
237 CONF *ret;
238
239 if (meth == NULL)
240 meth = NCONF_default();
241
242 ret = meth->create(meth);
243 if (ret == NULL)
244 {
245 CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
246 return(NULL);
247 }
248
249 return ret;
250 }
251
252void NCONF_free(CONF *conf)
253 {
254 if (conf == NULL)
255 return;
256 conf->meth->destroy(conf);
257 }
258
259void NCONF_free_data(CONF *conf)
260 {
261 if (conf == NULL)
262 return;
263 conf->meth->destroy_data(conf);
264 }
265
266int NCONF_load(CONF *conf, const char *file, long *eline)
267 {
268 int ret;
269 BIO *in=NULL;
270
271#ifdef VMS
272 in=BIO_new_file(file, "r");
273#else
274 in=BIO_new_file(file, "rb");
275#endif
276 if (in == NULL)
277 {
278 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
279 return 0;
280 }
281
282 ret = NCONF_load_bio(conf, in, eline);
283 BIO_free(in);
284
285 return ret;
286 }
287
288#ifndef NO_FP_API
289int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
290 {
291 BIO *btmp;
292 int ret;
293 if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
294 {
295 CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
296 return 0;
297 }
298 ret = NCONF_load_bio(conf, btmp, eline);
299 BIO_free(btmp);
300 return ret;
301 }
302#endif
303
304int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
305 {
306 if (conf == NULL)
307 {
308 CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
309 return 0;
310 }
311
312 return conf->meth->load(conf, bp, eline);
313 }
314
315STACK_OF(CONF_VALUE) *NCONF_get_section(CONF *conf,char *section)
316 {
317 if (conf == NULL)
318 {
319 CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
320 return NULL;
321 }
322
323 if (section == NULL)
324 {
325 CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
326 return NULL;
327 }
328
329 return _CONF_get_section_values(conf, section);
330 }
331
332char *NCONF_get_string(CONF *conf,char *group,char *name)
333 {
334 char *s = _CONF_get_string(conf, group, name);
335
336 /* Since we may get a value from an environment variable even
337 if conf is NULL, let's check the value first */
338 if (s) return s;
339
340 if (conf == NULL)
341 {
342 CONFerr(CONF_F_NCONF_GET_STRING,
343 CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
344 return NULL;
345 }
346 return NULL;
347 }
348
349long NCONF_get_number(CONF *conf,char *group,char *name)
350 {
351#if 0 /* As with _CONF_get_string(), we rely on the possibility of finding
352 an environment variable with a suitable name. Unfortunately, there's
353 no way with the current API to see if we found one or not...
354 The meaning of this is that if a number is not found anywhere, it
355 will always default to 0. */
356 if (conf == NULL)
357 {
358 CONFerr(CONF_F_NCONF_GET_NUMBER,
359 CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
360 return 0;
361 }
362#endif
363
364 return _CONF_get_number(conf, group, name);
365 }
366
367#ifndef NO_FP_API
368int NCONF_dump_fp(CONF *conf, FILE *out)
369 {
370 BIO *btmp;
371 int ret;
372 if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
373 CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
374 return 0;
375 }
376 ret = NCONF_dump_bio(conf, btmp);
377 BIO_free(btmp);
378 return ret;
379 }
380#endif
381
382int NCONF_dump_bio(CONF *conf, BIO *out)
383 {
384 if (conf == NULL)
385 {
386 CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
387 return 0;
388 }
389
390 return conf->meth->dump(conf, out);
391 }
392
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