mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			76 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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|  *
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|  * Licensed under the Apache License 2.0 (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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| 
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| #include <openssl/core.h>
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| #include <openssl/core_numbers.h>
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| #include "internal/core.h"
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| #include "internal/property.h"
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| #include "internal/provider.h"
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| 
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| struct algorithm_data_st {
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|     OPENSSL_CTX *libctx;
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|     int operation_id;            /* May be zero for finding them all */
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|     void (*fn)(OSSL_PROVIDER *, const OSSL_ALGORITHM *, int no_store,
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|                void *data);
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|     void *data;
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| };
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| 
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| static int algorithm_do_this(OSSL_PROVIDER *provider, void *cbdata)
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| {
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|     struct algorithm_data_st *data = cbdata;
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|     int no_store = 0;    /* Assume caching is ok */
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|     int first_operation = 1;
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|     int last_operation = OSSL_OP__HIGHEST;
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|     int cur_operation;
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|     int ok = 0;
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| 
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|     if (data->operation_id != 0)
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|         first_operation = last_operation = data->operation_id;
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| 
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|     for (cur_operation = first_operation;
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|          cur_operation <= last_operation;
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|          cur_operation++) {
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|         const OSSL_ALGORITHM *map =
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|             ossl_provider_query_operation(provider, data->operation_id,
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|                                           &no_store);
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| 
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|         if (map == NULL)
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|             break;
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| 
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|         ok = 1;                  /* As long as we've found *something* */
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|         while (map->algorithm_names != NULL) {
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|             const OSSL_ALGORITHM *thismap = map++;
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| 
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|             data->fn(provider, thismap, no_store, data->data);
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|         }
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|     }
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| 
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|     return ok;
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| }
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| 
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| void ossl_algorithm_do_all(OPENSSL_CTX *libctx, int operation_id,
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|                            OSSL_PROVIDER *provider,
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|                            void (*fn)(OSSL_PROVIDER *provider,
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|                                       const OSSL_ALGORITHM *algo,
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|                                       int no_store, void *data),
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|                            void *data)
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| {
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|     struct algorithm_data_st cbdata;
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| 
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|     cbdata.libctx = libctx;
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|     cbdata.operation_id = operation_id;
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|     cbdata.fn = fn;
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|     cbdata.data = data;
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| 
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|     if (provider == NULL)
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|         ossl_provider_forall_loaded(libctx, algorithm_do_this, &cbdata);
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|     else
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|         algorithm_do_this(provider, &cbdata);
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| }
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