2 * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
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>
66 static CONF_METHOD *default_CONF_method = NULL;
68 /* Init a 'CONF' structure from an old LHASH */
70 void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
72 if (default_CONF_method == NULL)
73 default_CONF_method = NCONF_default();
75 default_CONF_method->init(conf);
80 * The following section contains the "CONF classic" functions, rewritten in
81 * terms of the new CONF interface.
84 int CONF_set_default_method(CONF_METHOD *meth)
86 default_CONF_method = meth;
90 LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
93 LHASH_OF(CONF_VALUE) *ltmp;
96 #ifdef OPENSSL_SYS_VMS
97 in = BIO_new_file(file, "r");
99 in = BIO_new_file(file, "rb");
102 CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB);
106 ltmp = CONF_load_bio(conf, in, eline);
112 #ifndef OPENSSL_NO_STDIO
113 LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
117 LHASH_OF(CONF_VALUE) *ltmp;
118 if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
119 CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB);
122 ltmp = CONF_load_bio(conf, btmp, eline);
128 LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
134 CONF_set_nconf(&ctmp, conf);
136 ret = NCONF_load_bio(&ctmp, bp, eline);
142 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
149 CONF_set_nconf(&ctmp, conf);
150 return NCONF_get_section(&ctmp, section);
154 char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
158 return NCONF_get_string(NULL, group, name);
161 CONF_set_nconf(&ctmp, conf);
162 return NCONF_get_string(&ctmp, group, name);
166 long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
173 status = NCONF_get_number_e(NULL, group, name, &result);
176 CONF_set_nconf(&ctmp, conf);
177 status = NCONF_get_number_e(&ctmp, group, name, &result);
181 /* This function does not believe in errors... */
187 void CONF_free(LHASH_OF(CONF_VALUE) *conf)
190 CONF_set_nconf(&ctmp, conf);
191 NCONF_free_data(&ctmp);
194 #ifndef OPENSSL_NO_STDIO
195 int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
200 if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
201 CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB);
204 ret = CONF_dump_bio(conf, btmp);
210 int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
213 CONF_set_nconf(&ctmp, conf);
214 return NCONF_dump_bio(&ctmp, out);
218 * The following section contains the "New CONF" functions. They are
219 * completely centralised around a new CONF structure that may contain
220 * basically anything, but at least a method pointer and a table of data.
221 * These functions are also written in terms of the bridge functions used by
222 * the "CONF classic" functions, for consistency.
225 CONF *NCONF_new(CONF_METHOD *meth)
230 meth = NCONF_default();
232 ret = meth->create(meth);
234 CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
241 void NCONF_free(CONF *conf)
245 conf->meth->destroy(conf);
248 void NCONF_free_data(CONF *conf)
252 conf->meth->destroy_data(conf);
255 int NCONF_load(CONF *conf, const char *file, long *eline)
258 CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF);
262 return conf->meth->load(conf, file, eline);
265 #ifndef OPENSSL_NO_STDIO
266 int NCONF_load_fp(CONF *conf, FILE *fp, long *eline)
270 if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
271 CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB);
274 ret = NCONF_load_bio(conf, btmp, eline);
280 int NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
283 CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF);
287 return conf->meth->load_bio(conf, bp, eline);
290 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section)
293 CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF);
297 if (section == NULL) {
298 CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);
302 return _CONF_get_section_values(conf, section);
305 char *NCONF_get_string(const CONF *conf, const char *group, const char *name)
307 char *s = _CONF_get_string(conf, group, name);
310 * Since we may get a value from an environment variable even if conf is
311 * NULL, let's check the value first
317 CONFerr(CONF_F_NCONF_GET_STRING,
318 CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
321 CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE);
322 ERR_add_error_data(4, "group=", group, " name=", name);
326 int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
331 if (result == NULL) {
332 CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER);
336 str = NCONF_get_string(conf, group, name);
341 for (*result = 0; conf->meth->is_number(conf, *str);) {
342 *result = (*result) * 10 + conf->meth->to_int(conf, *str);
349 #ifndef OPENSSL_NO_STDIO
350 int NCONF_dump_fp(const CONF *conf, FILE *out)
354 if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
355 CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB);
358 ret = NCONF_dump_bio(conf, btmp);
364 int NCONF_dump_bio(const CONF *conf, BIO *out)
367 CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF);
371 return conf->meth->dump(conf, out);