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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/* Init a 'CONF' structure from an old LHASH */
71
72void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
73 {
74 if (default_CONF_method == NULL)
75 default_CONF_method = NCONF_default();
76
77 default_CONF_method->init(conf);
78 conf->data = hash;
79 }
80
81/* The following section contains the "CONF classic" functions,
82 rewritten in terms of the new CONF interface. */
83
84int CONF_set_default_method(CONF_METHOD *meth)
85 {
86 default_CONF_method = meth;
87 return 1;
88 }
89
90LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
91 long *eline)
92 {
93 LHASH_OF(CONF_VALUE) *ltmp;
94 BIO *in=NULL;
95
96#ifdef OPENSSL_SYS_VMS
97 in=BIO_new_file(file, "r");
98#else
99 in=BIO_new_file(file, "rb");
100#endif
101 if (in == NULL)
102 {
103 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
104 return NULL;
105 }
106
107 ltmp = CONF_load_bio(conf, in, eline);
108 BIO_free(in);
109
110 return ltmp;
111 }
112
113#ifndef OPENSSL_NO_FP_API
114LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
115 long *eline)
116 {
117 BIO *btmp;
118 LHASH_OF(CONF_VALUE) *ltmp;
119 if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
120 CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
121 return NULL;
122 }
123 ltmp = CONF_load_bio(conf, btmp, eline);
124 BIO_free(btmp);
125 return ltmp;
126 }
127#endif
128
129LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
130 long *eline)
131 {
132 CONF ctmp;
133 int ret;
134
135 CONF_set_nconf(&ctmp, conf);
136
137 ret = NCONF_load_bio(&ctmp, bp, eline);
138 if (ret)
139 return ctmp.data;
140 return NULL;
141 }
142
143STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
144 const char *section)
145 {
146 if (conf == NULL)
147 {
148 return NULL;
149 }
150 else
151 {
152 CONF ctmp;
153 CONF_set_nconf(&ctmp, conf);
154 return NCONF_get_section(&ctmp, section);
155 }
156 }
157
158char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf,const char *group,
159 const char *name)
160 {
161 if (conf == NULL)
162 {
163 return NCONF_get_string(NULL, group, name);
164 }
165 else
166 {
167 CONF ctmp;
168 CONF_set_nconf(&ctmp, conf);
169 return NCONF_get_string(&ctmp, group, name);
170 }
171 }
172
173long CONF_get_number(LHASH_OF(CONF_VALUE) *conf,const char *group,
174 const char *name)
175 {
176 int status;
177 long result = 0;
178
179 if (conf == NULL)
180 {
181 status = NCONF_get_number_e(NULL, group, name, &result);
182 }
183 else
184 {
185 CONF ctmp;
186 CONF_set_nconf(&ctmp, conf);
187 status = NCONF_get_number_e(&ctmp, group, name, &result);
188 }
189
190 if (status == 0)
191 {
192 /* This function does not believe in errors... */
193 ERR_clear_error();
194 }
195 return result;
196 }
197
198void CONF_free(LHASH_OF(CONF_VALUE) *conf)
199 {
200 CONF ctmp;
201 CONF_set_nconf(&ctmp, conf);
202 NCONF_free_data(&ctmp);
203 }
204
205#ifndef OPENSSL_NO_FP_API
206int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
207 {
208 BIO *btmp;
209 int ret;
210
211 if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
212 CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
213 return 0;
214 }
215 ret = CONF_dump_bio(conf, btmp);
216 BIO_free(btmp);
217 return ret;
218 }
219#endif
220
221int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
222 {
223 CONF ctmp;
224 CONF_set_nconf(&ctmp, conf);
225 return NCONF_dump_bio(&ctmp, out);
226 }
227
228/* The following section contains the "New CONF" functions. They are
229 completely centralised around a new CONF structure that may contain
230 basically anything, but at least a method pointer and a table of data.
231 These functions are also written in terms of the bridge functions used
232 by the "CONF classic" functions, for consistency. */
233
234CONF *NCONF_new(CONF_METHOD *meth)
235 {
236 CONF *ret;
237
238 if (meth == NULL)
239 meth = NCONF_default();
240
241 ret = meth->create(meth);
242 if (ret == NULL)
243 {
244 CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
245 return(NULL);
246 }
247
248 return ret;
249 }
250
251void NCONF_free(CONF *conf)
252 {
253 if (conf == NULL)
254 return;
255 conf->meth->destroy(conf);
256 }
257
258void NCONF_free_data(CONF *conf)
259 {
260 if (conf == NULL)
261 return;
262 conf->meth->destroy_data(conf);
263 }
264
265int NCONF_load(CONF *conf, const char *file, long *eline)
266 {
267 if (conf == NULL)
268 {
269 CONFerr(CONF_F_NCONF_LOAD,CONF_R_NO_CONF);
270 return 0;
271 }
272
273 return conf->meth->load(conf, file, eline);
274 }
275
276#ifndef OPENSSL_NO_FP_API
277int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
278 {
279 BIO *btmp;
280 int ret;
281 if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
282 {
283 CONFerr(CONF_F_NCONF_LOAD_FP,ERR_R_BUF_LIB);
284 return 0;
285 }
286 ret = NCONF_load_bio(conf, btmp, eline);
287 BIO_free(btmp);
288 return ret;
289 }
290#endif
291
292int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
293 {
294 if (conf == NULL)
295 {
296 CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
297 return 0;
298 }
299
300 return conf->meth->load_bio(conf, bp, eline);
301 }
302
303STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section)
304 {
305 if (conf == NULL)
306 {
307 CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
308 return NULL;
309 }
310
311 if (section == NULL)
312 {
313 CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
314 return NULL;
315 }
316
317 return _CONF_get_section_values(conf, section);
318 }
319
320char *NCONF_get_string(const CONF *conf,const char *group,const char *name)
321 {
322 char *s = _CONF_get_string(conf, group, name);
323
324 /* Since we may get a value from an environment variable even
325 if conf is NULL, let's check the value first */
326 if (s) return s;
327
328 if (conf == NULL)
329 {
330 CONFerr(CONF_F_NCONF_GET_STRING,
331 CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
332 return NULL;
333 }
334 CONFerr(CONF_F_NCONF_GET_STRING,
335 CONF_R_NO_VALUE);
336 ERR_add_error_data(4,"group=",group," name=",name);
337 return NULL;
338 }
339
340int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
341 long *result)
342 {
343 char *str;
344
345 if (result == NULL)
346 {
347 CONFerr(CONF_F_NCONF_GET_NUMBER_E,ERR_R_PASSED_NULL_PARAMETER);
348 return 0;
349 }
350
351 str = NCONF_get_string(conf,group,name);
352
353 if (str == NULL)
354 return 0;
355
356 for (*result = 0;conf->meth->is_number(conf, *str);)
357 {
358 *result = (*result)*10 + conf->meth->to_int(conf, *str);
359 str++;
360 }
361
362 return 1;
363 }
364
365#ifndef OPENSSL_NO_FP_API
366int NCONF_dump_fp(const CONF *conf, FILE *out)
367 {
368 BIO *btmp;
369 int ret;
370 if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
371 CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
372 return 0;
373 }
374 ret = NCONF_dump_bio(conf, btmp);
375 BIO_free(btmp);
376 return ret;
377 }
378#endif
379
380int NCONF_dump_bio(const CONF *conf, BIO *out)
381 {
382 if (conf == NULL)
383 {
384 CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
385 return 0;
386 }
387
388 return conf->meth->dump(conf, out);
389 }
390
391
392/* This function should be avoided */
393#if 0
394long NCONF_get_number(CONF *conf,char *group,char *name)
395 {
396 int status;
397 long ret=0;
398
399 status = NCONF_get_number_e(conf, group, name, &ret);
400 if (status == 0)
401 {
402 /* This function does not believe in errors... */
403 ERR_get_error();
404 }
405 return ret;
406 }
407#endif
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