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diff --git a/src/lib/libcrypto/conf/conf_api.c b/src/lib/libcrypto/conf/conf_api.c
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1/* conf_api.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59/* Part of the code in here was originally in conf.c, which is now removed */
60
61#ifndef CONF_DEBUG
62# undef NDEBUG /* avoid conflicting definitions */
63# define NDEBUG
64#endif
65
66#include <assert.h>
67#include <stdlib.h>
68#include <string.h>
69#include <openssl/conf.h>
70#include <openssl/conf_api.h>
71#include "e_os.h"
72
73static void value_free_hash_doall_arg(CONF_VALUE *a,
74 LHASH_OF(CONF_VALUE) *conf);
75static void value_free_stack_doall(CONF_VALUE *a);
76static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE,
77 LHASH_OF(CONF_VALUE))
78static IMPLEMENT_LHASH_DOALL_FN(value_free_stack, CONF_VALUE)
79
80/* Up until OpenSSL 0.9.5a, this was get_section */
81CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
82 {
83 CONF_VALUE *v,vv;
84
85 if ((conf == NULL) || (section == NULL)) return(NULL);
86 vv.name=NULL;
87 vv.section=(char *)section;
88 v=lh_CONF_VALUE_retrieve(conf->data,&vv);
89 return(v);
90 }
91
92/* Up until OpenSSL 0.9.5a, this was CONF_get_section */
93STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
94 const char *section)
95 {
96 CONF_VALUE *v;
97
98 v=_CONF_get_section(conf,section);
99 if (v != NULL)
100 return((STACK_OF(CONF_VALUE) *)v->value);
101 else
102 return(NULL);
103 }
104
105int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
106 {
107 CONF_VALUE *v = NULL;
108 STACK_OF(CONF_VALUE) *ts;
109
110 ts = (STACK_OF(CONF_VALUE) *)section->value;
111
112 value->section=section->section;
113 if (!sk_CONF_VALUE_push(ts,value))
114 {
115 return 0;
116 }
117
118 v = lh_CONF_VALUE_insert(conf->data, value);
119 if (v != NULL)
120 {
121 (void)sk_CONF_VALUE_delete_ptr(ts,v);
122 OPENSSL_free(v->name);
123 OPENSSL_free(v->value);
124 OPENSSL_free(v);
125 }
126 return 1;
127 }
128
129char *_CONF_get_string(const CONF *conf, const char *section, const char *name)
130 {
131 CONF_VALUE *v,vv;
132 char *p;
133
134 if (name == NULL) return(NULL);
135 if (conf != NULL)
136 {
137 if (section != NULL)
138 {
139 vv.name=(char *)name;
140 vv.section=(char *)section;
141 v=lh_CONF_VALUE_retrieve(conf->data,&vv);
142 if (v != NULL) return(v->value);
143 if (strcmp(section,"ENV") == 0)
144 {
145 p=getenv(name);
146 if (p != NULL) return(p);
147 }
148 }
149 vv.section="default";
150 vv.name=(char *)name;
151 v=lh_CONF_VALUE_retrieve(conf->data,&vv);
152 if (v != NULL)
153 return(v->value);
154 else
155 return(NULL);
156 }
157 else
158 return(getenv(name));
159 }
160
161#if 0 /* There's no way to provide error checking with this function, so
162 force implementors of the higher levels to get a string and read
163 the number themselves. */
164long _CONF_get_number(CONF *conf, char *section, char *name)
165 {
166 char *str;
167 long ret=0;
168
169 str=_CONF_get_string(conf,section,name);
170 if (str == NULL) return(0);
171 for (;;)
172 {
173 if (conf->meth->is_number(conf, *str))
174 ret=ret*10+conf->meth->to_int(conf, *str);
175 else
176 return(ret);
177 str++;
178 }
179 }
180#endif
181
182static unsigned long conf_value_hash(const CONF_VALUE *v)
183 {
184 return (lh_strhash(v->section)<<2)^lh_strhash(v->name);
185 }
186static IMPLEMENT_LHASH_HASH_FN(conf_value, CONF_VALUE)
187
188static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b)
189 {
190 int i;
191
192 if (a->section != b->section)
193 {
194 i=strcmp(a->section,b->section);
195 if (i) return(i);
196 }
197
198 if ((a->name != NULL) && (b->name != NULL))
199 {
200 i=strcmp(a->name,b->name);
201 return(i);
202 }
203 else if (a->name == b->name)
204 return(0);
205 else
206 return((a->name == NULL)?-1:1);
207 }
208static IMPLEMENT_LHASH_COMP_FN(conf_value, CONF_VALUE)
209
210int _CONF_new_data(CONF *conf)
211 {
212 if (conf == NULL)
213 {
214 return 0;
215 }
216 if (conf->data == NULL)
217 if ((conf->data = lh_CONF_VALUE_new()) == NULL)
218 {
219 return 0;
220 }
221 return 1;
222 }
223
224void _CONF_free_data(CONF *conf)
225 {
226 if (conf == NULL || conf->data == NULL) return;
227
228 lh_CONF_VALUE_down_load(conf->data)=0; /* evil thing to make
229 * sure the 'OPENSSL_free()' works as
230 * expected */
231 lh_CONF_VALUE_doall_arg(conf->data,
232 LHASH_DOALL_ARG_FN(value_free_hash),
233 LHASH_OF(CONF_VALUE), conf->data);
234
235 /* We now have only 'section' entries in the hash table.
236 * Due to problems with */
237
238 lh_CONF_VALUE_doall(conf->data, LHASH_DOALL_FN(value_free_stack));
239 lh_CONF_VALUE_free(conf->data);
240 }
241
242static void value_free_hash_doall_arg(CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf)
243 {
244 if (a->name != NULL)
245 (void)lh_CONF_VALUE_delete(conf,a);
246 }
247
248static void value_free_stack_doall(CONF_VALUE *a)
249 {
250 CONF_VALUE *vv;
251 STACK_OF(CONF_VALUE) *sk;
252 int i;
253
254 if (a->name != NULL) return;
255
256 sk=(STACK_OF(CONF_VALUE) *)a->value;
257 for (i=sk_CONF_VALUE_num(sk)-1; i>=0; i--)
258 {
259 vv=sk_CONF_VALUE_value(sk,i);
260 OPENSSL_free(vv->value);
261 OPENSSL_free(vv->name);
262 OPENSSL_free(vv);
263 }
264 if (sk != NULL) sk_CONF_VALUE_free(sk);
265 OPENSSL_free(a->section);
266 OPENSSL_free(a);
267 }
268
269/* Up until OpenSSL 0.9.5a, this was new_section */
270CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
271 {
272 STACK_OF(CONF_VALUE) *sk=NULL;
273 int ok=0,i;
274 CONF_VALUE *v=NULL,*vv;
275
276 if ((sk=sk_CONF_VALUE_new_null()) == NULL)
277 goto err;
278 if ((v=OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL)
279 goto err;
280 i=strlen(section)+1;
281 if ((v->section=OPENSSL_malloc(i)) == NULL)
282 goto err;
283
284 memcpy(v->section,section,i);
285 v->name=NULL;
286 v->value=(char *)sk;
287
288 vv=lh_CONF_VALUE_insert(conf->data,v);
289 OPENSSL_assert(vv == NULL);
290 ok=1;
291err:
292 if (!ok)
293 {
294 if (sk != NULL) sk_CONF_VALUE_free(sk);
295 if (v != NULL) OPENSSL_free(v);
296 v=NULL;
297 }
298 return(v);
299 }
300
301IMPLEMENT_STACK_OF(CONF_VALUE)
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