1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
58 /* Part of the code in here was originally in conf.c, which is now removed */
61 # undef NDEBUG /* avoid conflicting definitions */
68 #include <openssl/conf.h>
69 #include <openssl/conf_api.h>
72 static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf);
73 static void value_free_stack_doall(CONF_VALUE *a);
75 /* Up until OpenSSL 0.9.5a, this was get_section */
76 CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
80 if ((conf == NULL) || (section == NULL))
83 vv.section = (char *)section;
84 v = lh_CONF_VALUE_retrieve(conf->data, &vv);
88 /* Up until OpenSSL 0.9.5a, this was CONF_get_section */
89 STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
94 v = _CONF_get_section(conf, section);
96 return ((STACK_OF(CONF_VALUE) *)v->value);
101 int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
103 CONF_VALUE *v = NULL;
104 STACK_OF(CONF_VALUE) *ts;
106 ts = (STACK_OF(CONF_VALUE) *)section->value;
108 value->section = section->section;
109 if (!sk_CONF_VALUE_push(ts, value)) {
113 v = lh_CONF_VALUE_insert(conf->data, value);
115 (void)sk_CONF_VALUE_delete_ptr(ts, v);
116 OPENSSL_free(v->name);
117 OPENSSL_free(v->value);
123 char *_CONF_get_string(const CONF *conf, const char *section,
132 if (section != NULL) {
133 vv.name = (char *)name;
134 vv.section = (char *)section;
135 v = lh_CONF_VALUE_retrieve(conf->data, &vv);
138 if (strcmp(section, "ENV") == 0) {
144 vv.section = "default";
145 vv.name = (char *)name;
146 v = lh_CONF_VALUE_retrieve(conf->data, &vv);
152 return (getenv(name));
155 static unsigned long conf_value_hash(const CONF_VALUE *v)
157 return (lh_strhash(v->section) << 2) ^ lh_strhash(v->name);
160 static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b)
164 if (a->section != b->section) {
165 i = strcmp(a->section, b->section);
170 if ((a->name != NULL) && (b->name != NULL)) {
171 i = strcmp(a->name, b->name);
173 } else if (a->name == b->name)
176 return ((a->name == NULL) ? -1 : 1);
179 int _CONF_new_data(CONF *conf)
184 if (conf->data == NULL) {
185 conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp);
186 if (conf->data == NULL)
192 typedef LHASH_OF(CONF_VALUE) LH_CONF_VALUE;
194 IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, LH_CONF_VALUE);
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_LH_CONF_VALUE(conf->data, value_free_hash, conf->data);
206 * We now have only 'section' entries in the hash table. Due to problems
210 lh_CONF_VALUE_doall(conf->data, value_free_stack_doall);
211 lh_CONF_VALUE_free(conf->data);
214 static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf)
217 (void)lh_CONF_VALUE_delete(conf, a);
220 static void value_free_stack_doall(CONF_VALUE *a)
223 STACK_OF(CONF_VALUE) *sk;
229 sk = (STACK_OF(CONF_VALUE) *)a->value;
230 for (i = sk_CONF_VALUE_num(sk) - 1; i >= 0; i--) {
231 vv = sk_CONF_VALUE_value(sk, i);
232 OPENSSL_free(vv->value);
233 OPENSSL_free(vv->name);
236 sk_CONF_VALUE_free(sk);
237 OPENSSL_free(a->section);
241 /* Up until OpenSSL 0.9.5a, this was new_section */
242 CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
244 STACK_OF(CONF_VALUE) *sk = NULL;
246 CONF_VALUE *v = NULL, *vv;
248 if ((sk = sk_CONF_VALUE_new_null()) == NULL)
250 if ((v = OPENSSL_malloc(sizeof(*v))) == NULL)
252 i = strlen(section) + 1;
253 if ((v->section = OPENSSL_malloc(i)) == NULL)
256 memcpy(v->section, section, i);
258 v->value = (char *)sk;
260 vv = lh_CONF_VALUE_insert(conf->data, v);
261 OPENSSL_assert(vv == NULL);
265 sk_CONF_VALUE_free(sk);