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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 CONF ctmp;
135
136 if (default_CONF_method == NULL)
137 default_CONF_method = NCONF_default();
138
139 default_CONF_method->init(&ctmp);
140 ctmp.data = conf;
141 return NCONF_get_section(&ctmp, section);
142 }
143
144char *CONF_get_string(LHASH *conf,char *group,char *name)
145 {
146 CONF ctmp;
147
148 if (default_CONF_method == NULL)
149 default_CONF_method = NCONF_default();
150
151 default_CONF_method->init(&ctmp);
152 ctmp.data = conf;
153 return NCONF_get_string(&ctmp, group, name);
154 }
155
156long CONF_get_number(LHASH *conf,char *group,char *name)
157 {
158 CONF ctmp;
159
160 if (default_CONF_method == NULL)
161 default_CONF_method = NCONF_default();
162
163 default_CONF_method->init(&ctmp);
164 ctmp.data = conf;
165 return NCONF_get_number(&ctmp, group, name);
166 }
167
168void CONF_free(LHASH *conf)
169 {
170 CONF ctmp;
171
172 if (default_CONF_method == NULL)
173 default_CONF_method = NCONF_default();
174
175 default_CONF_method->init(&ctmp);
176 ctmp.data = conf;
177 NCONF_free_data(&ctmp);
178 }
179
180#ifndef NO_FP_API
181int CONF_dump_fp(LHASH *conf, FILE *out)
182 {
183 BIO *btmp;
184 int ret;
185
186 if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
187 CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
188 return 0;
189 }
190 ret = CONF_dump_bio(conf, btmp);
191 BIO_free(btmp);
192 return ret;
193 }
194#endif
195
196int CONF_dump_bio(LHASH *conf, BIO *out)
197 {
198 CONF ctmp;
199
200 if (default_CONF_method == NULL)
201 default_CONF_method = NCONF_default();
202
203 default_CONF_method->init(&ctmp);
204 ctmp.data = conf;
205 return NCONF_dump_bio(&ctmp, out);
206 }
207
208/* The following section contains the "New CONF" functions. They are
209 completely centralised around a new CONF structure that may contain
210 basically anything, but at least a method pointer and a table of data.
211 These functions are also written in terms of the bridge functions used
212 by the "CONF classic" functions, for consistency. */
213
214CONF *NCONF_new(CONF_METHOD *meth)
215 {
216 CONF *ret;
217
218 if (meth == NULL)
219 meth = NCONF_default();
220
221 ret = meth->create(meth);
222 if (ret == NULL)
223 {
224 CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
225 return(NULL);
226 }
227
228 return ret;
229 }
230
231void NCONF_free(CONF *conf)
232 {
233 if (conf == NULL)
234 return;
235 conf->meth->destroy(conf);
236 }
237
238void NCONF_free_data(CONF *conf)
239 {
240 if (conf == NULL)
241 return;
242 conf->meth->destroy_data(conf);
243 }
244
245int NCONF_load(CONF *conf, const char *file, long *eline)
246 {
247 int ret;
248 BIO *in=NULL;
249
250#ifdef VMS
251 in=BIO_new_file(file, "r");
252#else
253 in=BIO_new_file(file, "rb");
254#endif
255 if (in == NULL)
256 {
257 CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
258 return 0;
259 }
260
261 ret = NCONF_load_bio(conf, in, eline);
262 BIO_free(in);
263
264 return ret;
265 }
266
267#ifndef NO_FP_API
268int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
269 {
270 BIO *btmp;
271 int ret;
272 if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
273 {
274 CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
275 return 0;
276 }
277 ret = NCONF_load_bio(conf, btmp, eline);
278 BIO_free(btmp);
279 return ret;
280 }
281#endif
282
283int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
284 {
285 if (conf == NULL)
286 {
287 CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
288 return 0;
289 }
290
291 return conf->meth->load(conf, bp, eline);
292 }
293
294STACK_OF(CONF_VALUE) *NCONF_get_section(CONF *conf,char *section)
295 {
296 if (conf == NULL)
297 {
298 CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
299 return NULL;
300 }
301
302 return _CONF_get_section_values(conf, section);
303 }
304
305char *NCONF_get_string(CONF *conf,char *group,char *name)
306 {
307 if (conf == NULL)
308 {
309 CONFerr(CONF_F_NCONF_GET_STRING,CONF_R_NO_CONF);
310 return NULL;
311 }
312
313 return _CONF_get_string(conf, group, name);
314 }
315
316long NCONF_get_number(CONF *conf,char *group,char *name)
317 {
318 if (conf == NULL)
319 {
320 CONFerr(CONF_F_NCONF_GET_NUMBER,CONF_R_NO_CONF);
321 return 0;
322 }
323
324 return _CONF_get_number(conf, group, name);
325 }
326
327#ifndef NO_FP_API
328int NCONF_dump_fp(CONF *conf, FILE *out)
329 {
330 BIO *btmp;
331 int ret;
332 if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
333 CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
334 return 0;
335 }
336 ret = NCONF_dump_bio(conf, btmp);
337 BIO_free(btmp);
338 return ret;
339 }
340#endif
341
342int NCONF_dump_bio(CONF *conf, BIO *out)
343 {
344 if (conf == NULL)
345 {
346 CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
347 return 0;
348 }
349
350 return conf->meth->dump(conf, out);
351 }
352