2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 /* Part of the code in here was originally in conf.c, which is now removed */
62 # undef NDEBUG /* avoid conflicting definitions */
69 #include <openssl/conf.h>
70 #include <openssl/conf_api.h>
73 static void value_free_hash_doall_arg(CONF_VALUE *a,
74 LHASH_OF(CONF_VALUE) *conf);
75 static void value_free_stack_doall(CONF_VALUE *a);
76 static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE,
79 /* Up until OpenSSL 0.9.5a, this was get_section */
80 CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
84 if ((conf == NULL) || (section == NULL))
87 vv.section = (char *)section;
88 v = lh_CONF_VALUE_retrieve(conf->data, &vv);
92 /* Up until OpenSSL 0.9.5a, this was CONF_get_section */
93 STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
98 v = _CONF_get_section(conf, section);
100 return ((STACK_OF(CONF_VALUE) *)v->value);
105 int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
107 CONF_VALUE *v = NULL;
108 STACK_OF(CONF_VALUE) *ts;
110 ts = (STACK_OF(CONF_VALUE) *)section->value;
112 value->section = section->section;
113 if (!sk_CONF_VALUE_push(ts, value)) {
117 v = lh_CONF_VALUE_insert(conf->data, value);
119 (void)sk_CONF_VALUE_delete_ptr(ts, v);
120 OPENSSL_free(v->name);
121 OPENSSL_free(v->value);
127 char *_CONF_get_string(const CONF *conf, const char *section,
136 if (section != NULL) {
137 vv.name = (char *)name;
138 vv.section = (char *)section;
139 v = lh_CONF_VALUE_retrieve(conf->data, &vv);
142 if (strcmp(section, "ENV") == 0) {
148 vv.section = "default";
149 vv.name = (char *)name;
150 v = lh_CONF_VALUE_retrieve(conf->data, &vv);
156 return (getenv(name));
159 static unsigned long conf_value_hash(const CONF_VALUE *v)
161 return (lh_strhash(v->section) << 2) ^ lh_strhash(v->name);
164 static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b)
168 if (a->section != b->section) {
169 i = strcmp(a->section, b->section);
174 if ((a->name != NULL) && (b->name != NULL)) {
175 i = strcmp(a->name, b->name);
177 } else if (a->name == b->name)
180 return ((a->name == NULL) ? -1 : 1);
183 int _CONF_new_data(CONF *conf)
188 if (conf->data == NULL) {
189 conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp);
190 if (conf->data == NULL)
196 void _CONF_free_data(CONF *conf)
198 if (conf == NULL || conf->data == NULL)
201 /* evil thing to make sure the 'OPENSSL_free()' works as expected */
202 lh_CONF_VALUE_set_down_load(conf->data, 0);
203 lh_CONF_VALUE_doall_arg(conf->data,
204 LHASH_DOALL_ARG_FN(value_free_hash),
205 LHASH_OF(CONF_VALUE), conf->data);
208 * We now have only 'section' entries in the hash table. Due to problems
212 lh_CONF_VALUE_doall(conf->data, value_free_stack_doall);
213 lh_CONF_VALUE_free(conf->data);
216 static void value_free_hash_doall_arg(CONF_VALUE *a,
217 LHASH_OF(CONF_VALUE) *conf)
220 (void)lh_CONF_VALUE_delete(conf, a);
223 static void value_free_stack_doall(CONF_VALUE *a)
226 STACK_OF(CONF_VALUE) *sk;
232 sk = (STACK_OF(CONF_VALUE) *)a->value;
233 for (i = sk_CONF_VALUE_num(sk) - 1; i >= 0; i--) {
234 vv = sk_CONF_VALUE_value(sk, i);
235 OPENSSL_free(vv->value);
236 OPENSSL_free(vv->name);
239 sk_CONF_VALUE_free(sk);
240 OPENSSL_free(a->section);
244 /* Up until OpenSSL 0.9.5a, this was new_section */
245 CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
247 STACK_OF(CONF_VALUE) *sk = NULL;
249 CONF_VALUE *v = NULL, *vv;
251 if ((sk = sk_CONF_VALUE_new_null()) == NULL)
253 if ((v = OPENSSL_malloc(sizeof(*v))) == NULL)
255 i = strlen(section) + 1;
256 if ((v->section = OPENSSL_malloc(i)) == NULL)
259 memcpy(v->section, section, i);
261 v->value = (char *)sk;
263 vv = lh_CONF_VALUE_insert(conf->data, v);
264 OPENSSL_assert(vv == NULL);
268 sk_CONF_VALUE_free(sk);