3 * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/crypto.h>
62 #include <openssl/err.h>
63 #include <openssl/conf.h>
64 #include <openssl/conf_api.h>
65 #include <openssl/lhash.h>
67 static CONF_METHOD *default_CONF_method = NULL;
69 /* Init a 'CONF' structure from an old LHASH */
71 void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
73 if (default_CONF_method == NULL)
74 default_CONF_method = NCONF_default();
76 default_CONF_method->init(conf);
81 * The following section contains the "CONF classic" functions, rewritten in
82 * terms of the new CONF interface.
85 int CONF_set_default_method(CONF_METHOD *meth)
87 default_CONF_method = meth;
91 LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
94 LHASH_OF(CONF_VALUE) *ltmp;
97 #ifdef OPENSSL_SYS_VMS
98 in = BIO_new_file(file, "r");
100 in = BIO_new_file(file, "rb");
103 CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB);
107 ltmp = CONF_load_bio(conf, in, eline);
113 #ifndef OPENSSL_NO_STDIO
114 LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
118 LHASH_OF(CONF_VALUE) *ltmp;
119 if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
120 CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB);
123 ltmp = CONF_load_bio(conf, btmp, eline);
129 LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
135 CONF_set_nconf(&ctmp, conf);
137 ret = NCONF_load_bio(&ctmp, bp, eline);
143 STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
150 CONF_set_nconf(&ctmp, conf);
151 return NCONF_get_section(&ctmp, section);
155 char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
159 return NCONF_get_string(NULL, group, name);
162 CONF_set_nconf(&ctmp, conf);
163 return NCONF_get_string(&ctmp, group, name);
167 long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
174 status = NCONF_get_number_e(NULL, group, name, &result);
177 CONF_set_nconf(&ctmp, conf);
178 status = NCONF_get_number_e(&ctmp, group, name, &result);
182 /* This function does not believe in errors... */
188 void CONF_free(LHASH_OF(CONF_VALUE) *conf)
191 CONF_set_nconf(&ctmp, conf);
192 NCONF_free_data(&ctmp);
195 #ifndef OPENSSL_NO_STDIO
196 int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
201 if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
202 CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB);
205 ret = CONF_dump_bio(conf, btmp);
211 int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
214 CONF_set_nconf(&ctmp, conf);
215 return NCONF_dump_bio(&ctmp, out);
219 * The following section contains the "New CONF" functions. They are
220 * completely centralised around a new CONF structure that may contain
221 * basically anything, but at least a method pointer and a table of data.
222 * These functions are also written in terms of the bridge functions used by
223 * the "CONF classic" functions, for consistency.
226 CONF *NCONF_new(CONF_METHOD *meth)
231 meth = NCONF_default();
233 ret = meth->create(meth);
235 CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE);
242 void NCONF_free(CONF *conf)
246 conf->meth->destroy(conf);
249 void NCONF_free_data(CONF *conf)
253 conf->meth->destroy_data(conf);
256 int NCONF_load(CONF *conf, const char *file, long *eline)
259 CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF);
263 return conf->meth->load(conf, file, eline);
266 #ifndef OPENSSL_NO_STDIO
267 int NCONF_load_fp(CONF *conf, FILE *fp, long *eline)
271 if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
272 CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB);
275 ret = NCONF_load_bio(conf, btmp, eline);
281 int NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
284 CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF);
288 return conf->meth->load_bio(conf, bp, eline);
291 STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section)
294 CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF);
298 if (section == NULL) {
299 CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION);
303 return _CONF_get_section_values(conf, section);
306 char *NCONF_get_string(const CONF *conf, const char *group, const char *name)
308 char *s = _CONF_get_string(conf, group, name);
311 * Since we may get a value from an environment variable even if conf is
312 * NULL, let's check the value first
318 CONFerr(CONF_F_NCONF_GET_STRING,
319 CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
322 CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE);
323 ERR_add_error_data(4, "group=", group, " name=", name);
327 int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
332 if (result == NULL) {
333 CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER);
337 str = NCONF_get_string(conf, group, name);
342 for (*result = 0; conf->meth->is_number(conf, *str);) {
343 *result = (*result) * 10 + conf->meth->to_int(conf, *str);
350 #ifndef OPENSSL_NO_STDIO
351 int NCONF_dump_fp(const CONF *conf, FILE *out)
355 if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) {
356 CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB);
359 ret = NCONF_dump_bio(conf, btmp);
365 int NCONF_dump_bio(const CONF *conf, BIO *out)
368 CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF);
372 return conf->meth->dump(conf, out);