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			898 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			898 lines
		
	
	
	
		
			23 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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|  *
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|  * Licensed under the OpenSSL license (the "License").  You may not use
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|  * this file except in compliance with the License.  You can obtain a copy
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|  * in the file LICENSE in the source distribution or at
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|  * https://www.openssl.org/source/license.html
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|  */
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| 
 | |
| #include <stdio.h>
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| #include "internal/cryptlib.h"
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| #include "internal/refcount.h"
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| #include <openssl/x509.h>
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| #include "internal/x509_int.h"
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| #include <openssl/x509v3.h>
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| #include "x509_lcl.h"
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| 
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| X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
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| {
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|     X509_LOOKUP *ret = OPENSSL_zalloc(sizeof(*ret));
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| 
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|     if (ret == NULL) {
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|         X509err(X509_F_X509_LOOKUP_NEW, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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| 
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|     ret->method = method;
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|     if (method->new_item != NULL && method->new_item(ret) == 0) {
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|         OPENSSL_free(ret);
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|         return NULL;
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|     }
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|     return ret;
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| }
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| 
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| void X509_LOOKUP_free(X509_LOOKUP *ctx)
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| {
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|     if (ctx == NULL)
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|         return;
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|     if ((ctx->method != NULL) && (ctx->method->free != NULL))
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|         (*ctx->method->free) (ctx);
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|     OPENSSL_free(ctx);
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| }
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| 
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| int X509_STORE_lock(X509_STORE *s)
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| {
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|     return CRYPTO_THREAD_write_lock(s->lock);
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| }
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| 
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| int X509_STORE_unlock(X509_STORE *s)
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| {
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|     return CRYPTO_THREAD_unlock(s->lock);
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| }
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| 
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| int X509_LOOKUP_init(X509_LOOKUP *ctx)
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| {
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|     if (ctx->method == NULL)
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|         return 0;
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|     if (ctx->method->init != NULL)
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|         return ctx->method->init(ctx);
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|     else
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|         return 1;
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| }
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| 
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| int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
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| {
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|     if (ctx->method == NULL)
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|         return 0;
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|     if (ctx->method->shutdown != NULL)
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|         return ctx->method->shutdown(ctx);
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|     else
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|         return 1;
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| }
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| 
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| int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
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|                      char **ret)
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| {
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|     if (ctx->method == NULL)
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|         return -1;
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|     if (ctx->method->ctrl != NULL)
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|         return ctx->method->ctrl(ctx, cmd, argc, argl, ret);
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|     else
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|         return 1;
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| }
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| 
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| int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
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|                            X509_NAME *name, X509_OBJECT *ret)
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| {
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|     if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
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|         return 0;
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|     if (ctx->skip)
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|         return 0;
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|     return ctx->method->get_by_subject(ctx, type, name, ret);
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| }
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| 
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| int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
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|                                  X509_NAME *name, ASN1_INTEGER *serial,
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|                                  X509_OBJECT *ret)
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| {
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|     if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL))
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|         return 0;
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|     return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret);
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| }
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| 
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| int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
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|                                const unsigned char *bytes, int len,
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|                                X509_OBJECT *ret)
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| {
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|     if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
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|         return 0;
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|     return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret);
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| }
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| 
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| int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
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|                          const char *str, int len, X509_OBJECT *ret)
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| {
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|     if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
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|         return 0;
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|     return ctx->method->get_by_alias(ctx, type, str, len, ret);
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| }
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| 
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| int X509_LOOKUP_set_method_data(X509_LOOKUP *ctx, void *data)
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| {
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|     ctx->method_data = data;
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|     return 1;
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| }
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| 
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| void *X509_LOOKUP_get_method_data(const X509_LOOKUP *ctx)
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| {
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|     return ctx->method_data;
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| }
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| 
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| X509_STORE *X509_LOOKUP_get_store(const X509_LOOKUP *ctx)
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| {
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|     return ctx->store_ctx;
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| }
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| 
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| 
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| static int x509_object_cmp(const X509_OBJECT *const *a,
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|                            const X509_OBJECT *const *b)
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| {
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|     int ret;
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| 
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|     ret = ((*a)->type - (*b)->type);
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|     if (ret)
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|         return ret;
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|     switch ((*a)->type) {
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|     case X509_LU_X509:
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|         ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509);
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|         break;
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|     case X509_LU_CRL:
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|         ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl);
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|         break;
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|     case X509_LU_NONE:
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|         /* abort(); */
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|         return 0;
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|     }
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|     return ret;
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| }
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| 
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| X509_STORE *X509_STORE_new(void)
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| {
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|     X509_STORE *ret = OPENSSL_zalloc(sizeof(*ret));
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| 
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|     if (ret == NULL) {
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|         X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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|     if ((ret->objs = sk_X509_OBJECT_new(x509_object_cmp)) == NULL) {
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|         X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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|     ret->cache = 1;
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|     if ((ret->get_cert_methods = sk_X509_LOOKUP_new_null()) == NULL) {
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|         X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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| 
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|     if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) {
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|         X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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|     if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) {
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|         X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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| 
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|     ret->lock = CRYPTO_THREAD_lock_new();
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|     if (ret->lock == NULL) {
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|         X509err(X509_F_X509_STORE_NEW, ERR_R_MALLOC_FAILURE);
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|         goto err;
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|     }
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| 
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|     ret->references = 1;
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|     return ret;
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| 
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| err:
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|     X509_VERIFY_PARAM_free(ret->param);
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|     sk_X509_OBJECT_free(ret->objs);
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|     sk_X509_LOOKUP_free(ret->get_cert_methods);
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|     OPENSSL_free(ret);
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|     return NULL;
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| }
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| 
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| void X509_STORE_free(X509_STORE *vfy)
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| {
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|     int i;
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|     STACK_OF(X509_LOOKUP) *sk;
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|     X509_LOOKUP *lu;
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| 
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|     if (vfy == NULL)
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|         return;
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|     CRYPTO_DOWN_REF(&vfy->references, &i, vfy->lock);
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|     REF_PRINT_COUNT("X509_STORE", vfy);
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|     if (i > 0)
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|         return;
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|     REF_ASSERT_ISNT(i < 0);
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| 
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|     sk = vfy->get_cert_methods;
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|     for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
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|         lu = sk_X509_LOOKUP_value(sk, i);
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|         X509_LOOKUP_shutdown(lu);
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|         X509_LOOKUP_free(lu);
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|     }
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|     sk_X509_LOOKUP_free(sk);
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|     sk_X509_OBJECT_pop_free(vfy->objs, X509_OBJECT_free);
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| 
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|     CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
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|     X509_VERIFY_PARAM_free(vfy->param);
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|     CRYPTO_THREAD_lock_free(vfy->lock);
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|     OPENSSL_free(vfy);
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| }
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| 
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| int X509_STORE_up_ref(X509_STORE *vfy)
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| {
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|     int i;
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| 
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|     if (CRYPTO_UP_REF(&vfy->references, &i, vfy->lock) <= 0)
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|         return 0;
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| 
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|     REF_PRINT_COUNT("X509_STORE", a);
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|     REF_ASSERT_ISNT(i < 2);
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|     return ((i > 1) ? 1 : 0);
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| }
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| 
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| X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
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| {
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|     int i;
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|     STACK_OF(X509_LOOKUP) *sk;
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|     X509_LOOKUP *lu;
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| 
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|     sk = v->get_cert_methods;
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|     for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
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|         lu = sk_X509_LOOKUP_value(sk, i);
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|         if (m == lu->method) {
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|             return lu;
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|         }
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|     }
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|     /* a new one */
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|     lu = X509_LOOKUP_new(m);
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|     if (lu == NULL) {
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|         X509err(X509_F_X509_STORE_ADD_LOOKUP, ERR_R_MALLOC_FAILURE);
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|         return NULL;
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|     }
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| 
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|     lu->store_ctx = v;
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|     if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
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|         return lu;
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|     /* malloc failed */
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|     X509err(X509_F_X509_STORE_ADD_LOOKUP, ERR_R_MALLOC_FAILURE);
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|     X509_LOOKUP_free(lu);
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|     return NULL;
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| }
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| 
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| X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs,
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|                                                X509_LOOKUP_TYPE type,
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|                                                X509_NAME *name)
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| {
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|     X509_OBJECT *ret = X509_OBJECT_new();
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| 
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|     if (ret == NULL)
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|         return NULL;
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|     if (!X509_STORE_CTX_get_by_subject(vs, type, name, ret)) {
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|         X509_OBJECT_free(ret);
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|         return NULL;
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|     }
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|     return ret;
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| }
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| 
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| int X509_STORE_CTX_get_by_subject(X509_STORE_CTX *vs, X509_LOOKUP_TYPE type,
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|                                   X509_NAME *name, X509_OBJECT *ret)
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| {
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|     X509_STORE *ctx = vs->ctx;
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|     X509_LOOKUP *lu;
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|     X509_OBJECT stmp, *tmp;
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|     int i, j;
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| 
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|     if (ctx == NULL)
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|         return 0;
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| 
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|     CRYPTO_THREAD_write_lock(ctx->lock);
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|     tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
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|     CRYPTO_THREAD_unlock(ctx->lock);
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| 
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|     if (tmp == NULL || type == X509_LU_CRL) {
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|         for (i = 0; i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
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|             lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
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|             j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
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|             if (j) {
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|                 tmp = &stmp;
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|                 break;
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|             }
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|         }
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|         if (tmp == NULL)
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|             return 0;
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|     }
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| 
 | |
|     ret->type = tmp->type;
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|     ret->data.ptr = tmp->data.ptr;
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| 
 | |
|     X509_OBJECT_up_ref_count(ret);
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| 
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|     return 1;
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| }
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| 
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| static int x509_store_add(X509_STORE *ctx, void *x, int crl) {
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|     X509_OBJECT *obj;
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|     int ret = 0, added = 0;
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| 
 | |
|     if (x == NULL)
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|         return 0;
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|     obj = X509_OBJECT_new();
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|     if (obj == NULL)
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|         return 0;
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| 
 | |
|     if (crl) {
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|         obj->type = X509_LU_CRL;
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|         obj->data.crl = (X509_CRL *)x;
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|     } else {
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|         obj->type = X509_LU_X509;
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|         obj->data.x509 = (X509 *)x;
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|     }
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|     X509_OBJECT_up_ref_count(obj);
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| 
 | |
|     CRYPTO_THREAD_write_lock(ctx->lock);
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| 
 | |
|     if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
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|         ret = 1;
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|     } else {
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|         added = sk_X509_OBJECT_push(ctx->objs, obj);
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|         ret = added != 0;
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|     }
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| 
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|     CRYPTO_THREAD_unlock(ctx->lock);
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| 
 | |
|     if (added == 0)             /* obj not pushed */
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|         X509_OBJECT_free(obj);
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| 
 | |
|     return ret;
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| }
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| 
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| int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
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| {
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|     if (!x509_store_add(ctx, x, 0)) {
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|         X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
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|         return 0;
 | |
|     }
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|     return 1;
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| }
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| 
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| int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
 | |
| {
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|     if (!x509_store_add(ctx, x, 1)) {
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|         X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
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|         return 0;
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|     }
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|     return 1;
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| }
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| 
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| int X509_OBJECT_up_ref_count(X509_OBJECT *a)
 | |
| {
 | |
|     switch (a->type) {
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|     case X509_LU_NONE:
 | |
|         break;
 | |
|     case X509_LU_X509:
 | |
|         return X509_up_ref(a->data.x509);
 | |
|     case X509_LU_CRL:
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|         return X509_CRL_up_ref(a->data.crl);
 | |
|     }
 | |
|     return 1;
 | |
| }
 | |
| 
 | |
| X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a)
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| {
 | |
|     if (a == NULL || a->type != X509_LU_X509)
 | |
|         return NULL;
 | |
|     return a->data.x509;
 | |
| }
 | |
| 
 | |
| X509_CRL *X509_OBJECT_get0_X509_CRL(X509_OBJECT *a)
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| {
 | |
|     if (a == NULL || a->type != X509_LU_CRL)
 | |
|         return NULL;
 | |
|     return a->data.crl;
 | |
| }
 | |
| 
 | |
| X509_LOOKUP_TYPE X509_OBJECT_get_type(const X509_OBJECT *a)
 | |
| {
 | |
|     return a->type;
 | |
| }
 | |
| 
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| X509_OBJECT *X509_OBJECT_new(void)
 | |
| {
 | |
|     X509_OBJECT *ret = OPENSSL_zalloc(sizeof(*ret));
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| 
 | |
|     if (ret == NULL) {
 | |
|         X509err(X509_F_X509_OBJECT_NEW, ERR_R_MALLOC_FAILURE);
 | |
|         return NULL;
 | |
|     }
 | |
|     ret->type = X509_LU_NONE;
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| static void x509_object_free_internal(X509_OBJECT *a)
 | |
| {
 | |
|     if (a == NULL)
 | |
|         return;
 | |
|     switch (a->type) {
 | |
|     case X509_LU_NONE:
 | |
|         break;
 | |
|     case X509_LU_X509:
 | |
|         X509_free(a->data.x509);
 | |
|         break;
 | |
|     case X509_LU_CRL:
 | |
|         X509_CRL_free(a->data.crl);
 | |
|         break;
 | |
|     }
 | |
| }
 | |
| 
 | |
| int X509_OBJECT_set1_X509(X509_OBJECT *a, X509 *obj)
 | |
| {
 | |
|     if (a == NULL || !X509_up_ref(obj))
 | |
|         return 0;
 | |
| 
 | |
|     x509_object_free_internal(a);
 | |
|     a->type = X509_LU_X509;
 | |
|     a->data.x509 = obj;
 | |
|     return 1;
 | |
| }
 | |
| 
 | |
| int X509_OBJECT_set1_X509_CRL(X509_OBJECT *a, X509_CRL *obj)
 | |
| {
 | |
|     if (a == NULL || !X509_CRL_up_ref(obj))
 | |
|         return 0;
 | |
| 
 | |
|     x509_object_free_internal(a);
 | |
|     a->type = X509_LU_CRL;
 | |
|     a->data.crl = obj;
 | |
|     return 1;
 | |
| }
 | |
| 
 | |
| void X509_OBJECT_free(X509_OBJECT *a)
 | |
| {
 | |
|     x509_object_free_internal(a);
 | |
|     OPENSSL_free(a);
 | |
| }
 | |
| 
 | |
| static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
 | |
|                                X509_NAME *name, int *pnmatch)
 | |
| {
 | |
|     X509_OBJECT stmp;
 | |
|     X509 x509_s;
 | |
|     X509_CRL crl_s;
 | |
|     int idx;
 | |
| 
 | |
|     stmp.type = type;
 | |
|     switch (type) {
 | |
|     case X509_LU_X509:
 | |
|         stmp.data.x509 = &x509_s;
 | |
|         x509_s.cert_info.subject = name;
 | |
|         break;
 | |
|     case X509_LU_CRL:
 | |
|         stmp.data.crl = &crl_s;
 | |
|         crl_s.crl.issuer = name;
 | |
|         break;
 | |
|     case X509_LU_NONE:
 | |
|         /* abort(); */
 | |
|         return -1;
 | |
|     }
 | |
| 
 | |
|     idx = sk_X509_OBJECT_find(h, &stmp);
 | |
|     if (idx >= 0 && pnmatch) {
 | |
|         int tidx;
 | |
|         const X509_OBJECT *tobj, *pstmp;
 | |
|         *pnmatch = 1;
 | |
|         pstmp = &stmp;
 | |
|         for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) {
 | |
|             tobj = sk_X509_OBJECT_value(h, tidx);
 | |
|             if (x509_object_cmp(&tobj, &pstmp))
 | |
|                 break;
 | |
|             (*pnmatch)++;
 | |
|         }
 | |
|     }
 | |
|     return idx;
 | |
| }
 | |
| 
 | |
| int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, X509_LOOKUP_TYPE type,
 | |
|                                X509_NAME *name)
 | |
| {
 | |
|     return x509_object_idx_cnt(h, type, name, NULL);
 | |
| }
 | |
| 
 | |
| X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,
 | |
|                                              X509_LOOKUP_TYPE type,
 | |
|                                              X509_NAME *name)
 | |
| {
 | |
|     int idx;
 | |
|     idx = X509_OBJECT_idx_by_subject(h, type, name);
 | |
|     if (idx == -1)
 | |
|         return NULL;
 | |
|     return sk_X509_OBJECT_value(h, idx);
 | |
| }
 | |
| 
 | |
| STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *v)
 | |
| {
 | |
|     return v->objs;
 | |
| }
 | |
| 
 | |
| STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
 | |
| {
 | |
|     int i, idx, cnt;
 | |
|     STACK_OF(X509) *sk = NULL;
 | |
|     X509 *x;
 | |
|     X509_OBJECT *obj;
 | |
| 
 | |
|     if (ctx->ctx == NULL)
 | |
|         return NULL;
 | |
| 
 | |
|     CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 | |
|     idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
 | |
|     if (idx < 0) {
 | |
|         /*
 | |
|          * Nothing found in cache: do lookup to possibly add new objects to
 | |
|          * cache
 | |
|          */
 | |
|         X509_OBJECT *xobj = X509_OBJECT_new();
 | |
| 
 | |
|         CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|         if (xobj == NULL)
 | |
|             return NULL;
 | |
|         if (!X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, nm, xobj)) {
 | |
|             X509_OBJECT_free(xobj);
 | |
|             return NULL;
 | |
|         }
 | |
|         X509_OBJECT_free(xobj);
 | |
|         CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 | |
|         idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
 | |
|         if (idx < 0) {
 | |
|             CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|             return NULL;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     sk = sk_X509_new_null();
 | |
|     for (i = 0; i < cnt; i++, idx++) {
 | |
|         obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
 | |
|         x = obj->data.x509;
 | |
|         X509_up_ref(x);
 | |
|         if (!sk_X509_push(sk, x)) {
 | |
|             CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|             X509_free(x);
 | |
|             sk_X509_pop_free(sk, X509_free);
 | |
|             return NULL;
 | |
|         }
 | |
|     }
 | |
|     CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|     return sk;
 | |
| }
 | |
| 
 | |
| STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
 | |
| {
 | |
|     int i, idx, cnt;
 | |
|     STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
 | |
|     X509_CRL *x;
 | |
|     X509_OBJECT *obj, *xobj = X509_OBJECT_new();
 | |
| 
 | |
|     /* Always do lookup to possibly add new CRLs to cache */
 | |
|     if (sk == NULL
 | |
|             || xobj == NULL
 | |
|             || ctx->ctx == NULL
 | |
|             || !X509_STORE_CTX_get_by_subject(ctx, X509_LU_CRL, nm, xobj)) {
 | |
|         X509_OBJECT_free(xobj);
 | |
|         sk_X509_CRL_free(sk);
 | |
|         return NULL;
 | |
|     }
 | |
|     X509_OBJECT_free(xobj);
 | |
|     CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 | |
|     idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
 | |
|     if (idx < 0) {
 | |
|         CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|         sk_X509_CRL_free(sk);
 | |
|         return NULL;
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < cnt; i++, idx++) {
 | |
|         obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
 | |
|         x = obj->data.crl;
 | |
|         X509_CRL_up_ref(x);
 | |
|         if (!sk_X509_CRL_push(sk, x)) {
 | |
|             CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|             X509_CRL_free(x);
 | |
|             sk_X509_CRL_pop_free(sk, X509_CRL_free);
 | |
|             return NULL;
 | |
|         }
 | |
|     }
 | |
|     CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|     return sk;
 | |
| }
 | |
| 
 | |
| X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
 | |
|                                         X509_OBJECT *x)
 | |
| {
 | |
|     int idx, i, num;
 | |
|     X509_OBJECT *obj;
 | |
| 
 | |
|     idx = sk_X509_OBJECT_find(h, x);
 | |
|     if (idx < 0)
 | |
|         return NULL;
 | |
|     if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
 | |
|         return sk_X509_OBJECT_value(h, idx);
 | |
|     for (i = idx, num = sk_X509_OBJECT_num(h); i < num; i++) {
 | |
|         obj = sk_X509_OBJECT_value(h, i);
 | |
|         if (x509_object_cmp((const X509_OBJECT **)&obj,
 | |
|                             (const X509_OBJECT **)&x))
 | |
|             return NULL;
 | |
|         if (x->type == X509_LU_X509) {
 | |
|             if (!X509_cmp(obj->data.x509, x->data.x509))
 | |
|                 return obj;
 | |
|         } else if (x->type == X509_LU_CRL) {
 | |
|             if (!X509_CRL_match(obj->data.crl, x->data.crl))
 | |
|                 return obj;
 | |
|         } else
 | |
|             return obj;
 | |
|     }
 | |
|     return NULL;
 | |
| }
 | |
| 
 | |
| /*-
 | |
|  * Try to get issuer certificate from store. Due to limitations
 | |
|  * of the API this can only retrieve a single certificate matching
 | |
|  * a given subject name. However it will fill the cache with all
 | |
|  * matching certificates, so we can examine the cache for all
 | |
|  * matches.
 | |
|  *
 | |
|  * Return values are:
 | |
|  *  1 lookup successful.
 | |
|  *  0 certificate not found.
 | |
|  * -1 some other error.
 | |
|  */
 | |
| int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
 | |
| {
 | |
|     X509_NAME *xn;
 | |
|     X509_OBJECT *obj = X509_OBJECT_new(), *pobj = NULL;
 | |
|     int i, ok, idx, ret;
 | |
| 
 | |
|     if (obj == NULL)
 | |
|         return -1;
 | |
|     *issuer = NULL;
 | |
|     xn = X509_get_issuer_name(x);
 | |
|     ok = X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, xn, obj);
 | |
|     if (ok != 1) {
 | |
|         X509_OBJECT_free(obj);
 | |
|         return 0;
 | |
|     }
 | |
|     /* If certificate matches all OK */
 | |
|     if (ctx->check_issued(ctx, x, obj->data.x509)) {
 | |
|         if (x509_check_cert_time(ctx, obj->data.x509, -1)) {
 | |
|             *issuer = obj->data.x509;
 | |
|             X509_up_ref(*issuer);
 | |
|             X509_OBJECT_free(obj);
 | |
|             return 1;
 | |
|         }
 | |
|     }
 | |
|     X509_OBJECT_free(obj);
 | |
| 
 | |
|     if (ctx->ctx == NULL)
 | |
|         return 0;
 | |
| 
 | |
|     /* Else find index of first cert accepted by 'check_issued' */
 | |
|     ret = 0;
 | |
|     CRYPTO_THREAD_write_lock(ctx->ctx->lock);
 | |
|     idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
 | |
|     if (idx != -1) {            /* should be true as we've had at least one
 | |
|                                  * match */
 | |
|         /* Look through all matching certs for suitable issuer */
 | |
|         for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
 | |
|             pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
 | |
|             /* See if we've run past the matches */
 | |
|             if (pobj->type != X509_LU_X509)
 | |
|                 break;
 | |
|             if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
 | |
|                 break;
 | |
|             if (ctx->check_issued(ctx, x, pobj->data.x509)) {
 | |
|                 *issuer = pobj->data.x509;
 | |
|                 ret = 1;
 | |
|                 /*
 | |
|                  * If times check, exit with match,
 | |
|                  * otherwise keep looking. Leave last
 | |
|                  * match in issuer so we return nearest
 | |
|                  * match if no certificate time is OK.
 | |
|                  */
 | |
| 
 | |
|                 if (x509_check_cert_time(ctx, *issuer, -1))
 | |
|                     break;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     CRYPTO_THREAD_unlock(ctx->ctx->lock);
 | |
|     if (*issuer)
 | |
|         X509_up_ref(*issuer);
 | |
|     return ret;
 | |
| }
 | |
| 
 | |
| int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
 | |
| {
 | |
|     return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
 | |
| }
 | |
| 
 | |
| int X509_STORE_set_depth(X509_STORE *ctx, int depth)
 | |
| {
 | |
|     X509_VERIFY_PARAM_set_depth(ctx->param, depth);
 | |
|     return 1;
 | |
| }
 | |
| 
 | |
| int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
 | |
| {
 | |
|     return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
 | |
| }
 | |
| 
 | |
| int X509_STORE_set_trust(X509_STORE *ctx, int trust)
 | |
| {
 | |
|     return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
 | |
| }
 | |
| 
 | |
| int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
 | |
| {
 | |
|     return X509_VERIFY_PARAM_set1(ctx->param, param);
 | |
| }
 | |
| 
 | |
| X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->param;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify_fn verify)
 | |
| {
 | |
|     ctx->verify = verify;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_verify_fn X509_STORE_get_verify(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->verify;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_verify_cb(X509_STORE *ctx,
 | |
|                               X509_STORE_CTX_verify_cb verify_cb)
 | |
| {
 | |
|     ctx->verify_cb = verify_cb;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_verify_cb X509_STORE_get_verify_cb(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->verify_cb;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_get_issuer(X509_STORE *ctx,
 | |
|                                X509_STORE_CTX_get_issuer_fn get_issuer)
 | |
| {
 | |
|     ctx->get_issuer = get_issuer;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_get_issuer_fn X509_STORE_get_get_issuer(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->get_issuer;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_check_issued(X509_STORE *ctx,
 | |
|                                  X509_STORE_CTX_check_issued_fn check_issued)
 | |
| {
 | |
|     ctx->check_issued = check_issued;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_check_issued_fn X509_STORE_get_check_issued(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->check_issued;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_check_revocation(X509_STORE *ctx,
 | |
|                                      X509_STORE_CTX_check_revocation_fn check_revocation)
 | |
| {
 | |
|     ctx->check_revocation = check_revocation;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_check_revocation_fn X509_STORE_get_check_revocation(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->check_revocation;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_get_crl(X509_STORE *ctx,
 | |
|                             X509_STORE_CTX_get_crl_fn get_crl)
 | |
| {
 | |
|     ctx->get_crl = get_crl;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_get_crl_fn X509_STORE_get_get_crl(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->get_crl;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_check_crl(X509_STORE *ctx,
 | |
|                               X509_STORE_CTX_check_crl_fn check_crl)
 | |
| {
 | |
|     ctx->check_crl = check_crl;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_check_crl_fn X509_STORE_get_check_crl(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->check_crl;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_cert_crl(X509_STORE *ctx,
 | |
|                              X509_STORE_CTX_cert_crl_fn cert_crl)
 | |
| {
 | |
|     ctx->cert_crl = cert_crl;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_cert_crl_fn X509_STORE_get_cert_crl(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->cert_crl;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_check_policy(X509_STORE *ctx,
 | |
|                                  X509_STORE_CTX_check_policy_fn check_policy)
 | |
| {
 | |
|     ctx->check_policy = check_policy;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_check_policy_fn X509_STORE_get_check_policy(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->check_policy;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_lookup_certs(X509_STORE *ctx,
 | |
|                                  X509_STORE_CTX_lookup_certs_fn lookup_certs)
 | |
| {
 | |
|     ctx->lookup_certs = lookup_certs;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_lookup_certs_fn X509_STORE_get_lookup_certs(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->lookup_certs;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_lookup_crls(X509_STORE *ctx,
 | |
|                                 X509_STORE_CTX_lookup_crls_fn lookup_crls)
 | |
| {
 | |
|     ctx->lookup_crls = lookup_crls;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_lookup_crls_fn X509_STORE_get_lookup_crls(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->lookup_crls;
 | |
| }
 | |
| 
 | |
| void X509_STORE_set_cleanup(X509_STORE *ctx,
 | |
|                             X509_STORE_CTX_cleanup_fn ctx_cleanup)
 | |
| {
 | |
|     ctx->cleanup = ctx_cleanup;
 | |
| }
 | |
| 
 | |
| X509_STORE_CTX_cleanup_fn X509_STORE_get_cleanup(X509_STORE *ctx)
 | |
| {
 | |
|     return ctx->cleanup;
 | |
| }
 | |
| 
 | |
| int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data)
 | |
| {
 | |
|     return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
 | |
| }
 | |
| 
 | |
| void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx)
 | |
| {
 | |
|     return CRYPTO_get_ex_data(&ctx->ex_data, idx);
 | |
| }
 | |
| 
 | |
| X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
 | |
| {
 | |
|     return ctx->ctx;
 | |
| }
 |