1 /* crypto/x509/x509_lu.c */
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.]
61 #include <openssl/lhash.h>
62 #include <openssl/x509.h>
64 static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_store_meth=NULL;
65 static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_store_ctx_meth=NULL;
67 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
71 ret=(X509_LOOKUP *)Malloc(sizeof(X509_LOOKUP));
72 if (ret == NULL) return(NULL);
77 ret->method_data=NULL;
79 if ((method->new_item != NULL) && !method->new_item(ret))
87 void X509_LOOKUP_free(X509_LOOKUP *ctx)
89 if (ctx == NULL) return;
90 if ( (ctx->method != NULL) &&
91 (ctx->method->free != NULL))
92 ctx->method->free(ctx);
96 int X509_LOOKUP_init(X509_LOOKUP *ctx)
98 if (ctx->method == NULL) return(0);
99 if (ctx->method->init != NULL)
100 return(ctx->method->init(ctx));
105 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
107 if (ctx->method == NULL) return(0);
108 if (ctx->method->shutdown != NULL)
109 return(ctx->method->shutdown(ctx));
114 int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
117 if (ctx->method == NULL) return(-1);
118 if (ctx->method->ctrl != NULL)
119 return(ctx->method->ctrl(ctx,cmd,argc,argl,ret));
124 int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
127 if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
128 return(X509_LU_FAIL);
129 if (ctx->skip) return(0);
130 return(ctx->method->get_by_subject(ctx,type,name,ret));
133 int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
134 ASN1_INTEGER *serial, X509_OBJECT *ret)
136 if ((ctx->method == NULL) ||
137 (ctx->method->get_by_issuer_serial == NULL))
138 return(X509_LU_FAIL);
139 return(ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret));
142 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
143 unsigned char *bytes, int len, X509_OBJECT *ret)
145 if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
146 return(X509_LU_FAIL);
147 return(ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret));
150 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
153 if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
154 return(X509_LU_FAIL);
155 return(ctx->method->get_by_alias(ctx,type,str,len,ret));
158 static unsigned long x509_object_hash(X509_OBJECT *a)
165 h=X509_NAME_hash(a->data.x509->cert_info->subject);
168 h=X509_NAME_hash(a->data.crl->crl->issuer);
176 static int x509_object_cmp(X509_OBJECT *a, X509_OBJECT *b)
180 ret=(a->type - b->type);
181 if (ret) return(ret);
185 ret=X509_subject_name_cmp(a->data.x509,b->data.x509);
188 ret=X509_CRL_cmp(a->data.crl,b->data.crl);
196 X509_STORE *X509_STORE_new(void)
200 if ((ret=(X509_STORE *)Malloc(sizeof(X509_STORE))) == NULL)
202 ret->certs=lh_new(x509_object_hash,x509_object_cmp);
204 ret->get_cert_methods=sk_X509_LOOKUP_new_null();
207 memset(&ret->ex_data,0,sizeof(CRYPTO_EX_DATA));
213 static void cleanup(X509_OBJECT *a)
215 if (a->type == X509_LU_X509)
217 X509_free(a->data.x509);
219 else if (a->type == X509_LU_CRL)
221 X509_CRL_free(a->data.crl);
229 void X509_STORE_free(X509_STORE *vfy)
232 STACK_OF(X509_LOOKUP) *sk;
238 sk=vfy->get_cert_methods;
239 for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
241 lu=sk_X509_LOOKUP_value(sk,i);
242 X509_LOOKUP_shutdown(lu);
243 X509_LOOKUP_free(lu);
245 sk_X509_LOOKUP_free(sk);
247 CRYPTO_free_ex_data(x509_store_meth,vfy,&vfy->ex_data);
248 lh_doall(vfy->certs,cleanup);
253 X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
256 STACK_OF(X509_LOOKUP) *sk;
259 sk=v->get_cert_methods;
260 for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
262 lu=sk_X509_LOOKUP_value(sk,i);
269 lu=X509_LOOKUP_new(m);
275 if (sk_X509_LOOKUP_push(v->get_cert_methods,lu))
279 X509_LOOKUP_free(lu);
285 int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
288 X509_STORE *ctx=vs->ctx;
290 X509_OBJECT stmp,*tmp;
293 tmp=X509_OBJECT_retrieve_by_subject(ctx->certs,type,name);
297 for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++)
299 lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i);
300 j=X509_LOOKUP_by_subject(lu,type,name,&stmp);
303 vs->current_method=j;
312 vs->current_method=0;
317 /* if (ret->data.ptr != NULL)
318 X509_OBJECT_free_contents(ret); */
321 ret->data.ptr=tmp->data.ptr;
323 X509_OBJECT_up_ref_count(ret);
328 void X509_OBJECT_up_ref_count(X509_OBJECT *a)
333 CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509);
336 CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL);
341 void X509_OBJECT_free_contents(X509_OBJECT *a)
346 X509_free(a->data.x509);
349 X509_CRL_free(a->data.crl);
354 X509_OBJECT *X509_OBJECT_retrieve_by_subject(LHASH *h, int type,
357 X509_OBJECT stmp,*tmp;
361 X509_CRL_INFO crl_info_s;
367 stmp.data.x509= &x509_s;
368 x509_s.cert_info= &cinf_s;
372 stmp.data.crl= &crl_s;
373 crl_s.crl= &crl_info_s;
374 crl_info_s.issuer=name;
380 tmp=(X509_OBJECT *)lh_retrieve(h,&stmp);
384 X509_STORE_CTX *X509_STORE_CTX_new(void)
387 ctx = (X509_STORE_CTX *)Malloc(sizeof(X509_STORE_CTX));
388 if(ctx) memset(ctx, 0, sizeof(X509_STORE_CTX));
392 void X509_STORE_CTX_free(X509_STORE_CTX *ctx)
394 X509_STORE_CTX_cleanup(ctx);
398 void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509,
399 STACK_OF(X509) *chain)
402 ctx->current_method=0;
404 ctx->untrusted=chain;
405 ctx->last_untrusted=0;
412 ctx->current_cert=NULL;
413 memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA));
416 void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx)
418 if (ctx->chain != NULL)
420 sk_X509_pop_free(ctx->chain,X509_free);
423 CRYPTO_free_ex_data(x509_store_ctx_meth,ctx,&(ctx->ex_data));
424 memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA));
427 IMPLEMENT_STACK_OF(X509_LOOKUP)