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 */
68 #include <openssl/conf.h>
69 #include <openssl/conf_api.h>
71 static void value_free_hash(CONF_VALUE *a, LHASH *conf);
72 static void value_free_stack(CONF_VALUE *a,LHASH *conf);
73 static unsigned long hash(CONF_VALUE *v);
74 static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b);
76 static IMPLEMENT_LHASH_HASH_FN(hash, CONF_VALUE *)
77 static IMPLEMENT_LHASH_COMP_FN(cmp_conf, CONF_VALUE *)
79 /* Up until OpenSSL 0.9.5a, this was get_section */
80 CONF_VALUE *_CONF_get_section(CONF *conf, char *section)
84 if ((conf == NULL) || (section == NULL)) return(NULL);
87 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
91 /* Up until OpenSSL 0.9.5a, this was CONF_get_section */
92 STACK_OF(CONF_VALUE) *_CONF_get_section_values(CONF *conf, char *section)
96 v=_CONF_get_section(conf,section);
98 return((STACK_OF(CONF_VALUE) *)v->value);
103 int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
105 CONF_VALUE *v = NULL;
106 STACK_OF(CONF_VALUE) *ts;
108 ts = (STACK_OF(CONF_VALUE) *)section->value;
110 value->section=section->section;
111 if (!sk_CONF_VALUE_push(ts,value))
116 v = (CONF_VALUE *)lh_insert(conf->data, value);
119 sk_CONF_VALUE_delete_ptr(ts,v);
120 OPENSSL_free(v->name);
121 OPENSSL_free(v->value);
127 char *_CONF_get_string(CONF *conf, char *section, char *name)
132 if (name == NULL) return(NULL);
139 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
140 if (v != NULL) return(v->value);
141 if (strcmp(section,"ENV") == 0)
144 if (p != NULL) return(p);
147 vv.section="default";
149 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
156 return(Getenv(name));
159 #if 0 /* There's no way to provide error checking with this function, so
160 force implementors of the higher levels to get a string and read
161 the number themselves. */
162 long _CONF_get_number(CONF *conf, char *section, char *name)
167 str=_CONF_get_string(conf,section,name);
168 if (str == NULL) return(0);
171 if (conf->meth->is_number(conf, *str))
172 ret=ret*10+conf->meth->to_int(conf, *str);
180 int _CONF_new_data(CONF *conf)
186 if (conf->data == NULL)
187 if ((conf->data = lh_new(LHASH_HASH_FN(hash),
188 LHASH_COMP_FN(cmp_conf))) == NULL)
195 void _CONF_free_data(CONF *conf)
197 if (conf == NULL || conf->data == NULL) return;
199 conf->data->down_load=0; /* evil thing to make sure the 'OPENSSL_free()'
200 * works as expected */
201 lh_doall_arg(conf->data, (LHASH_DOALL_ARG_FN_TYPE)value_free_hash,
204 /* We now have only 'section' entries in the hash table.
205 * Due to problems with */
207 lh_doall_arg(conf->data, (LHASH_DOALL_ARG_FN_TYPE)value_free_stack,
212 static void value_free_hash(CONF_VALUE *a, LHASH *conf)
216 a=(CONF_VALUE *)lh_delete(conf,a);
220 static void value_free_stack(CONF_VALUE *a, LHASH *conf)
226 if (a->name != NULL) return;
228 sk=(STACK *)a->value;
229 for (i=sk_num(sk)-1; i>=0; i--)
231 vv=(CONF_VALUE *)sk_value(sk,i);
232 OPENSSL_free(vv->value);
233 OPENSSL_free(vv->name);
236 if (sk != NULL) sk_free(sk);
237 OPENSSL_free(a->section);
241 static unsigned long hash(CONF_VALUE *v)
243 return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
246 static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b)
250 if (a->section != b->section)
252 i=strcmp(a->section,b->section);
256 if ((a->name != NULL) && (b->name != NULL))
258 i=strcmp(a->name,b->name);
261 else if (a->name == b->name)
264 return((a->name == NULL)?-1:1);
267 /* Up until OpenSSL 0.9.5a, this was new_section */
268 CONF_VALUE *_CONF_new_section(CONF *conf, char *section)
272 CONF_VALUE *v=NULL,*vv;
274 if ((sk=sk_new_null()) == NULL)
276 if ((v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL)
279 if ((v->section=(char *)OPENSSL_malloc(i)) == NULL)
282 memcpy(v->section,section,i);
286 vv=(CONF_VALUE *)lh_insert(conf->data,v);
292 if (sk != NULL) sk_free(sk);
293 if (v != NULL) OPENSSL_free(v);
299 IMPLEMENT_STACK_OF(CONF_VALUE)