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(CONF_VALUE *a, LHASH *conf);
74 static void value_free_stack(CONF_VALUE *a, LHASH *conf);
75 static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE *, LHASH *)
76 static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_stack, CONF_VALUE *, LHASH *)
78 * We don't use function pointer casting or wrapper functions - but cast each
79 * callback parameter inside the callback functions.
81 /* static unsigned long hash(CONF_VALUE *v); */
82 static unsigned long hash(const void *v_void);
83 /* static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b); */
84 static int cmp_conf(const void *a_void, const void *b_void);
86 /* Up until OpenSSL 0.9.5a, this was get_section */
87 CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
91 if ((conf == NULL) || (section == NULL))
94 vv.section = (char *)section;
95 v = (CONF_VALUE *)lh_retrieve(conf->data, &vv);
99 /* Up until OpenSSL 0.9.5a, this was CONF_get_section */
100 STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
105 v = _CONF_get_section(conf, section);
107 return ((STACK_OF(CONF_VALUE) *)v->value);
112 int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
114 CONF_VALUE *v = NULL;
115 STACK_OF(CONF_VALUE) *ts;
117 ts = (STACK_OF(CONF_VALUE) *)section->value;
119 value->section = section->section;
120 if (!sk_CONF_VALUE_push(ts, value)) {
124 v = (CONF_VALUE *)lh_insert(conf->data, value);
126 (void)sk_CONF_VALUE_delete_ptr(ts, v);
127 OPENSSL_free(v->name);
128 OPENSSL_free(v->value);
134 char *_CONF_get_string(const CONF *conf, const char *section,
143 if (section != NULL) {
144 vv.name = (char *)name;
145 vv.section = (char *)section;
146 v = (CONF_VALUE *)lh_retrieve(conf->data, &vv);
149 if (strcmp(section, "ENV") == 0) {
155 vv.section = "default";
156 vv.name = (char *)name;
157 v = (CONF_VALUE *)lh_retrieve(conf->data, &vv);
163 return (Getenv(name));
166 #if 0 /* There's no way to provide error checking
167 * with this function, so force implementors
168 * of the higher levels to get a string and
169 * read the number themselves. */
170 long _CONF_get_number(CONF *conf, char *section, char *name)
175 str = _CONF_get_string(conf, section, name);
179 if (conf->meth->is_number(conf, *str))
180 ret = ret * 10 + conf->meth->to_int(conf, *str);
188 int _CONF_new_data(CONF *conf)
193 if (conf->data == NULL)
194 if ((conf->data = lh_new(hash, cmp_conf)) == NULL) {
200 void _CONF_free_data(CONF *conf)
202 if (conf == NULL || conf->data == NULL)
205 conf->data->down_load = 0; /* evil thing to make sure the
206 * 'OPENSSL_free()' works as expected */
207 lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_hash), conf->data);
210 * We now have only 'section' entries in the hash table. Due to problems
214 lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_stack),
219 static void value_free_hash(CONF_VALUE *a, LHASH *conf)
221 if (a->name != NULL) {
222 a = (CONF_VALUE *)lh_delete(conf, a);
226 static void value_free_stack(CONF_VALUE *a, LHASH *conf)
235 sk = (STACK *) a->value;
236 for (i = sk_num(sk) - 1; i >= 0; i--) {
237 vv = (CONF_VALUE *)sk_value(sk, i);
238 OPENSSL_free(vv->value);
239 OPENSSL_free(vv->name);
244 OPENSSL_free(a->section);
248 /* static unsigned long hash(CONF_VALUE *v) */
249 static unsigned long hash(const void *v_void)
251 CONF_VALUE *v = (CONF_VALUE *)v_void;
252 return ((lh_strhash(v->section) << 2) ^ lh_strhash(v->name));
255 /* static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b) */
256 static int cmp_conf(const void *a_void, const void *b_void)
259 CONF_VALUE *a = (CONF_VALUE *)a_void;
260 CONF_VALUE *b = (CONF_VALUE *)b_void;
262 if (a->section != b->section) {
263 i = strcmp(a->section, b->section);
268 if ((a->name != NULL) && (b->name != NULL)) {
269 i = strcmp(a->name, b->name);
271 } else if (a->name == b->name)
274 return ((a->name == NULL) ? -1 : 1);
277 /* Up until OpenSSL 0.9.5a, this was new_section */
278 CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
282 CONF_VALUE *v = NULL, *vv;
284 if ((sk = sk_new_null()) == NULL)
286 if ((v = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL)
288 i = strlen(section) + 1;
289 if ((v->section = (char *)OPENSSL_malloc(i)) == NULL)
292 memcpy(v->section, section, i);
294 v->value = (char *)sk;
296 vv = (CONF_VALUE *)lh_insert(conf->data, v);
297 OPENSSL_assert(vv == NULL);
310 IMPLEMENT_STACK_OF(CONF_VALUE)