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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 <string.h>
68#include <openssl/conf.h>
69#include <openssl/conf_api.h>
70#include "e_os.h"
71
72static void value_free_hash(CONF_VALUE *a, LHASH *conf);
73static void value_free_stack(CONF_VALUE *a,LHASH *conf);
74static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE *, LHASH *)
75static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_stack, CONF_VALUE *, LHASH *)
76/* We don't use function pointer casting or wrapper functions - but cast each
77 * callback parameter inside the callback functions. */
78/* static unsigned long hash(CONF_VALUE *v); */
79static unsigned long hash(const void *v_void);
80/* static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b); */
81static int cmp_conf(const void *a_void,const void *b_void);
82
83/* Up until OpenSSL 0.9.5a, this was get_section */
84CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
85 {
86 CONF_VALUE *v,vv;
87
88 if ((conf == NULL) || (section == NULL)) return(NULL);
89 vv.name=NULL;
90 vv.section=(char *)section;
91 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
92 return(v);
93 }
94
95/* Up until OpenSSL 0.9.5a, this was CONF_get_section */
96STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
97 const char *section)
98 {
99 CONF_VALUE *v;
100
101 v=_CONF_get_section(conf,section);
102 if (v != NULL)
103 return((STACK_OF(CONF_VALUE) *)v->value);
104 else
105 return(NULL);
106 }
107
108int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
109 {
110 CONF_VALUE *v = NULL;
111 STACK_OF(CONF_VALUE) *ts;
112
113 ts = (STACK_OF(CONF_VALUE) *)section->value;
114
115 value->section=section->section;
116 if (!sk_CONF_VALUE_push(ts,value))
117 {
118 return 0;
119 }
120
121 v = (CONF_VALUE *)lh_insert(conf->data, value);
122 if (v != NULL)
123 {
124 sk_CONF_VALUE_delete_ptr(ts,v);
125 OPENSSL_free(v->name);
126 OPENSSL_free(v->value);
127 OPENSSL_free(v);
128 }
129 return 1;
130 }
131
132char *_CONF_get_string(const CONF *conf, const char *section, const char *name)
133 {
134 CONF_VALUE *v,vv;
135 char *p;
136
137 if (name == NULL) return(NULL);
138 if (conf != NULL)
139 {
140 if (section != NULL)
141 {
142 vv.name=(char *)name;
143 vv.section=(char *)section;
144 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
145 if (v != NULL) return(v->value);
146 if (strcmp(section,"ENV") == 0)
147 {
148 p=Getenv(name);
149 if (p != NULL) return(p);
150 }
151 }
152 vv.section="default";
153 vv.name=(char *)name;
154 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
155 if (v != NULL)
156 return(v->value);
157 else
158 return(NULL);
159 }
160 else
161 return(Getenv(name));
162 }
163
164#if 0 /* There's no way to provide error checking with this function, so
165 force implementors of the higher levels to get a string and read
166 the number themselves. */
167long _CONF_get_number(CONF *conf, char *section, char *name)
168 {
169 char *str;
170 long ret=0;
171
172 str=_CONF_get_string(conf,section,name);
173 if (str == NULL) return(0);
174 for (;;)
175 {
176 if (conf->meth->is_number(conf, *str))
177 ret=ret*10+conf->meth->to_int(conf, *str);
178 else
179 return(ret);
180 str++;
181 }
182 }
183#endif
184
185int _CONF_new_data(CONF *conf)
186 {
187 if (conf == NULL)
188 {
189 return 0;
190 }
191 if (conf->data == NULL)
192 if ((conf->data = lh_new(hash, cmp_conf)) == NULL)
193 {
194 return 0;
195 }
196 return 1;
197 }
198
199void _CONF_free_data(CONF *conf)
200 {
201 if (conf == NULL || conf->data == NULL) return;
202
203 conf->data->down_load=0; /* evil thing to make sure the 'OPENSSL_free()'
204 * works as expected */
205 lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_hash),
206 conf->data);
207
208 /* We now have only 'section' entries in the hash table.
209 * Due to problems with */
210
211 lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_stack),
212 conf->data);
213 lh_free(conf->data);
214 }
215
216static void value_free_hash(CONF_VALUE *a, LHASH *conf)
217 {
218 if (a->name != NULL)
219 {
220 a=(CONF_VALUE *)lh_delete(conf,a);
221 }
222 }
223
224static void value_free_stack(CONF_VALUE *a, LHASH *conf)
225 {
226 CONF_VALUE *vv;
227 STACK *sk;
228 int i;
229
230 if (a->name != NULL) return;
231
232 sk=(STACK *)a->value;
233 for (i=sk_num(sk)-1; i>=0; i--)
234 {
235 vv=(CONF_VALUE *)sk_value(sk,i);
236 OPENSSL_free(vv->value);
237 OPENSSL_free(vv->name);
238 OPENSSL_free(vv);
239 }
240 if (sk != NULL) sk_free(sk);
241 OPENSSL_free(a->section);
242 OPENSSL_free(a);
243 }
244
245/* static unsigned long hash(CONF_VALUE *v) */
246static unsigned long hash(const void *v_void)
247 {
248 CONF_VALUE *v = (CONF_VALUE *)v_void;
249 return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
250 }
251
252/* static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b) */
253static int cmp_conf(const void *a_void,const void *b_void)
254 {
255 int i;
256 CONF_VALUE *a = (CONF_VALUE *)a_void;
257 CONF_VALUE *b = (CONF_VALUE *)b_void;
258
259 if (a->section != b->section)
260 {
261 i=strcmp(a->section,b->section);
262 if (i) return(i);
263 }
264
265 if ((a->name != NULL) && (b->name != NULL))
266 {
267 i=strcmp(a->name,b->name);
268 return(i);
269 }
270 else if (a->name == b->name)
271 return(0);
272 else
273 return((a->name == NULL)?-1:1);
274 }
275
276/* Up until OpenSSL 0.9.5a, this was new_section */
277CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
278 {
279 STACK *sk=NULL;
280 int ok=0,i;
281 CONF_VALUE *v=NULL,*vv;
282
283 if ((sk=sk_new_null()) == NULL)
284 goto err;
285 if ((v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL)
286 goto err;
287 i=strlen(section)+1;
288 if ((v->section=(char *)OPENSSL_malloc(i)) == NULL)
289 goto err;
290
291 memcpy(v->section,section,i);
292 v->name=NULL;
293 v->value=(char *)sk;
294
295 vv=(CONF_VALUE *)lh_insert(conf->data,v);
296 assert(vv == NULL);
297 ok=1;
298err:
299 if (!ok)
300 {
301 if (sk != NULL) sk_free(sk);
302 if (v != NULL) OPENSSL_free(v);
303 v=NULL;
304 }
305 return(v);
306 }
307
308IMPLEMENT_STACK_OF(CONF_VALUE)
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