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d86b6915 RL |
1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
2 | * All rights reserved. | |
3 | * | |
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. | |
0f113f3e | 7 | * |
d86b6915 RL |
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). | |
0f113f3e | 14 | * |
d86b6915 RL |
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. | |
0f113f3e | 21 | * |
d86b6915 RL |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
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 :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d86b6915 RL |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d86b6915 RL |
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 | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d86b6915 RL |
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.] | |
56 | */ | |
57 | ||
58 | /* Part of the code in here was originally in conf.c, which is now removed */ | |
59 | ||
bbb8de09 | 60 | #ifndef CONF_DEBUG |
0f113f3e | 61 | # undef NDEBUG /* avoid conflicting definitions */ |
bbb8de09 BM |
62 | # define NDEBUG |
63 | #endif | |
64 | ||
65 | #include <assert.h> | |
2c1f5ce4 | 66 | #include <stdlib.h> |
0baed24c | 67 | #include <string.h> |
d86b6915 RL |
68 | #include <openssl/conf.h> |
69 | #include <openssl/conf_api.h> | |
62315760 | 70 | #include "e_os.h" |
d86b6915 | 71 | |
2a056de8 | 72 | static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf); |
5ce278a7 | 73 | static void value_free_stack_doall(CONF_VALUE *a); |
97b17195 | 74 | |
21346b7a | 75 | /* Up until OpenSSL 0.9.5a, this was get_section */ |
9dd5ae65 | 76 | CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section) |
0f113f3e MC |
77 | { |
78 | CONF_VALUE *v, vv; | |
d86b6915 | 79 | |
0f113f3e MC |
80 | if ((conf == NULL) || (section == NULL)) |
81 | return (NULL); | |
82 | vv.name = NULL; | |
83 | vv.section = (char *)section; | |
84 | v = lh_CONF_VALUE_retrieve(conf->data, &vv); | |
85 | return (v); | |
86 | } | |
d86b6915 | 87 | |
21346b7a | 88 | /* Up until OpenSSL 0.9.5a, this was CONF_get_section */ |
9dd5ae65 | 89 | STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf, |
0f113f3e MC |
90 | const char *section) |
91 | { | |
92 | CONF_VALUE *v; | |
d86b6915 | 93 | |
0f113f3e MC |
94 | v = _CONF_get_section(conf, section); |
95 | if (v != NULL) | |
96 | return ((STACK_OF(CONF_VALUE) *)v->value); | |
97 | else | |
98 | return (NULL); | |
99 | } | |
d86b6915 RL |
100 | |
101 | int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value) | |
0f113f3e MC |
102 | { |
103 | CONF_VALUE *v = NULL; | |
104 | STACK_OF(CONF_VALUE) *ts; | |
105 | ||
106 | ts = (STACK_OF(CONF_VALUE) *)section->value; | |
107 | ||
108 | value->section = section->section; | |
109 | if (!sk_CONF_VALUE_push(ts, value)) { | |
110 | return 0; | |
111 | } | |
112 | ||
113 | v = lh_CONF_VALUE_insert(conf->data, value); | |
114 | if (v != NULL) { | |
115 | (void)sk_CONF_VALUE_delete_ptr(ts, v); | |
116 | OPENSSL_free(v->name); | |
117 | OPENSSL_free(v->value); | |
118 | OPENSSL_free(v); | |
119 | } | |
120 | return 1; | |
121 | } | |
122 | ||
123 | char *_CONF_get_string(const CONF *conf, const char *section, | |
124 | const char *name) | |
125 | { | |
126 | CONF_VALUE *v, vv; | |
127 | char *p; | |
128 | ||
129 | if (name == NULL) | |
130 | return (NULL); | |
131 | if (conf != NULL) { | |
132 | if (section != NULL) { | |
133 | vv.name = (char *)name; | |
134 | vv.section = (char *)section; | |
135 | v = lh_CONF_VALUE_retrieve(conf->data, &vv); | |
136 | if (v != NULL) | |
137 | return (v->value); | |
138 | if (strcmp(section, "ENV") == 0) { | |
139 | p = getenv(name); | |
140 | if (p != NULL) | |
141 | return (p); | |
142 | } | |
143 | } | |
144 | vv.section = "default"; | |
145 | vv.name = (char *)name; | |
146 | v = lh_CONF_VALUE_retrieve(conf->data, &vv); | |
147 | if (v != NULL) | |
148 | return (v->value); | |
149 | else | |
150 | return (NULL); | |
151 | } else | |
152 | return (getenv(name)); | |
153 | } | |
154 | ||
3c1d6bbc | 155 | static unsigned long conf_value_hash(const CONF_VALUE *v) |
0f113f3e MC |
156 | { |
157 | return (lh_strhash(v->section) << 2) ^ lh_strhash(v->name); | |
158 | } | |
159 | ||
3c1d6bbc | 160 | static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b) |
0f113f3e MC |
161 | { |
162 | int i; | |
163 | ||
164 | if (a->section != b->section) { | |
165 | i = strcmp(a->section, b->section); | |
166 | if (i) | |
167 | return (i); | |
168 | } | |
169 | ||
170 | if ((a->name != NULL) && (b->name != NULL)) { | |
171 | i = strcmp(a->name, b->name); | |
172 | return (i); | |
173 | } else if (a->name == b->name) | |
174 | return (0); | |
175 | else | |
176 | return ((a->name == NULL) ? -1 : 1); | |
177 | } | |
178 | ||
d86b6915 | 179 | int _CONF_new_data(CONF *conf) |
0f113f3e MC |
180 | { |
181 | if (conf == NULL) { | |
182 | return 0; | |
183 | } | |
62d0577e DSH |
184 | if (conf->data == NULL) { |
185 | conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp); | |
186 | if (conf->data == NULL) | |
0f113f3e | 187 | return 0; |
62d0577e | 188 | } |
0f113f3e MC |
189 | return 1; |
190 | } | |
d86b6915 | 191 | |
2a056de8 DSH |
192 | typedef LHASH_OF(CONF_VALUE) LH_CONF_VALUE; |
193 | ||
194 | IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, LH_CONF_VALUE); | |
195 | ||
d86b6915 | 196 | void _CONF_free_data(CONF *conf) |
0f113f3e MC |
197 | { |
198 | if (conf == NULL || conf->data == NULL) | |
199 | return; | |
200 | ||
e6b5c341 DSH |
201 | /* evil thing to make sure the 'OPENSSL_free()' works as expected */ |
202 | lh_CONF_VALUE_set_down_load(conf->data, 0); | |
2a056de8 | 203 | lh_CONF_VALUE_doall_LH_CONF_VALUE(conf->data, value_free_hash, conf->data); |
0f113f3e MC |
204 | |
205 | /* | |
206 | * We now have only 'section' entries in the hash table. Due to problems | |
207 | * with | |
208 | */ | |
209 | ||
63c75cd6 | 210 | lh_CONF_VALUE_doall(conf->data, value_free_stack_doall); |
0f113f3e MC |
211 | lh_CONF_VALUE_free(conf->data); |
212 | } | |
d86b6915 | 213 | |
2a056de8 | 214 | static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf) |
0f113f3e MC |
215 | { |
216 | if (a->name != NULL) | |
217 | (void)lh_CONF_VALUE_delete(conf, a); | |
218 | } | |
d86b6915 | 219 | |
5ce278a7 | 220 | static void value_free_stack_doall(CONF_VALUE *a) |
0f113f3e MC |
221 | { |
222 | CONF_VALUE *vv; | |
223 | STACK_OF(CONF_VALUE) *sk; | |
224 | int i; | |
225 | ||
226 | if (a->name != NULL) | |
227 | return; | |
228 | ||
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); | |
234 | OPENSSL_free(vv); | |
235 | } | |
efa7dd64 | 236 | sk_CONF_VALUE_free(sk); |
0f113f3e MC |
237 | OPENSSL_free(a->section); |
238 | OPENSSL_free(a); | |
239 | } | |
d86b6915 | 240 | |
21346b7a | 241 | /* Up until OpenSSL 0.9.5a, this was new_section */ |
9dd5ae65 | 242 | CONF_VALUE *_CONF_new_section(CONF *conf, const char *section) |
0f113f3e MC |
243 | { |
244 | STACK_OF(CONF_VALUE) *sk = NULL; | |
efa7dd64 | 245 | int i; |
0f113f3e MC |
246 | CONF_VALUE *v = NULL, *vv; |
247 | ||
248 | if ((sk = sk_CONF_VALUE_new_null()) == NULL) | |
249 | goto err; | |
b4faea50 | 250 | if ((v = OPENSSL_malloc(sizeof(*v))) == NULL) |
0f113f3e MC |
251 | goto err; |
252 | i = strlen(section) + 1; | |
253 | if ((v->section = OPENSSL_malloc(i)) == NULL) | |
254 | goto err; | |
255 | ||
256 | memcpy(v->section, section, i); | |
257 | v->name = NULL; | |
258 | v->value = (char *)sk; | |
259 | ||
260 | vv = lh_CONF_VALUE_insert(conf->data, v); | |
261 | OPENSSL_assert(vv == NULL); | |
efa7dd64 RS |
262 | return v; |
263 | ||
0f113f3e | 264 | err: |
efa7dd64 RS |
265 | sk_CONF_VALUE_free(sk); |
266 | OPENSSL_free(v); | |
267 | return NULL; | |
0f113f3e | 268 | } |