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 IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE *, LHASH *)
74 static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_stack, CONF_VALUE *, LHASH *)
75 /* We don't use function pointer casting or wrapper functions - but cast each
76 * callback parameter inside the callback functions. */
77 /* static unsigned long hash(CONF_VALUE *v); */
78 static unsigned long hash(const void *v_void);
79 /* static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b); */
80 static int cmp_conf(const void *a_void,const void *b_void);
82 /* Up until OpenSSL 0.9.5a, this was get_section */
83 CONF_VALUE *_CONF_get_section(CONF *conf, char *section)
87 if ((conf == NULL) || (section == NULL)) return(NULL);
90 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
94 /* Up until OpenSSL 0.9.5a, this was CONF_get_section */
95 STACK_OF(CONF_VALUE) *_CONF_get_section_values(CONF *conf, char *section)
99 v=_CONF_get_section(conf,section);
101 return((STACK_OF(CONF_VALUE) *)v->value);
106 int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
108 CONF_VALUE *v = NULL;
109 STACK_OF(CONF_VALUE) *ts;
111 ts = (STACK_OF(CONF_VALUE) *)section->value;
113 value->section=section->section;
114 if (!sk_CONF_VALUE_push(ts,value))
119 v = (CONF_VALUE *)lh_insert(conf->data, value);
122 sk_CONF_VALUE_delete_ptr(ts,v);
123 OPENSSL_free(v->name);
124 OPENSSL_free(v->value);
130 char *_CONF_get_string(CONF *conf, char *section, char *name)
135 if (name == NULL) return(NULL);
142 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
143 if (v != NULL) return(v->value);
144 if (strcmp(section,"ENV") == 0)
147 if (p != NULL) return(p);
150 vv.section="default";
152 v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
159 return(Getenv(name));
162 #if 0 /* There's no way to provide error checking with this function, so
163 force implementors of the higher levels to get a string and read
164 the number themselves. */
165 long _CONF_get_number(CONF *conf, char *section, char *name)
170 str=_CONF_get_string(conf,section,name);
171 if (str == NULL) return(0);
174 if (conf->meth->is_number(conf, *str))
175 ret=ret*10+conf->meth->to_int(conf, *str);
183 int _CONF_new_data(CONF *conf)
189 if (conf->data == NULL)
190 if ((conf->data = lh_new(hash, cmp_conf)) == NULL)
197 void _CONF_free_data(CONF *conf)
199 if (conf == NULL || conf->data == NULL) return;
201 conf->data->down_load=0; /* evil thing to make sure the 'OPENSSL_free()'
202 * works as expected */
203 lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_hash),
206 /* We now have only 'section' entries in the hash table.
207 * Due to problems with */
209 lh_doall_arg(conf->data, LHASH_DOALL_ARG_FN(value_free_stack),
214 static void value_free_hash(CONF_VALUE *a, LHASH *conf)
218 a=(CONF_VALUE *)lh_delete(conf,a);
222 static void value_free_stack(CONF_VALUE *a, LHASH *conf)
228 if (a->name != NULL) return;
230 sk=(STACK *)a->value;
231 for (i=sk_num(sk)-1; i>=0; i--)
233 vv=(CONF_VALUE *)sk_value(sk,i);
234 OPENSSL_free(vv->value);
235 OPENSSL_free(vv->name);
238 if (sk != NULL) sk_free(sk);
239 OPENSSL_free(a->section);
243 /* static unsigned long hash(CONF_VALUE *v) */
244 static unsigned long hash(const void *v_void)
246 CONF_VALUE *v = (CONF_VALUE *)v_void;
247 return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
250 /* static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b) */
251 static int cmp_conf(const void *a_void,const void *b_void)
254 CONF_VALUE *a = (CONF_VALUE *)a_void;
255 CONF_VALUE *b = (CONF_VALUE *)b_void;
257 if (a->section != b->section)
259 i=strcmp(a->section,b->section);
263 if ((a->name != NULL) && (b->name != NULL))
265 i=strcmp(a->name,b->name);
268 else if (a->name == b->name)
271 return((a->name == NULL)?-1:1);
274 /* Up until OpenSSL 0.9.5a, this was new_section */
275 CONF_VALUE *_CONF_new_section(CONF *conf, char *section)
279 CONF_VALUE *v=NULL,*vv;
281 if ((sk=sk_new_null()) == NULL)
283 if ((v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL)
286 if ((v->section=(char *)OPENSSL_malloc(i)) == NULL)
289 memcpy(v->section,section,i);
293 vv=(CONF_VALUE *)lh_insert(conf->data,v);
299 if (sk != NULL) sk_free(sk);
300 if (v != NULL) OPENSSL_free(v);
306 IMPLEMENT_STACK_OF(CONF_VALUE)