diff options
Diffstat (limited to 'openssl/crypto/store/str_mem.c')
| -rw-r--r-- | openssl/crypto/store/str_mem.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/openssl/crypto/store/str_mem.c b/openssl/crypto/store/str_mem.c deleted file mode 100644 index 8ac4f7e5..00000000 --- a/openssl/crypto/store/str_mem.c +++ /dev/null @@ -1,365 +0,0 @@ -/* crypto/store/str_mem.c -*- mode:C; c-file-style: "eay" -*- */ -/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL - * project 2003. - */ -/* ==================================================================== - * Copyright (c) 2003 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <string.h> -#include <openssl/err.h> -#include "str_locl.h" - -/* The memory store is currently highly experimental. It's meant to become - a base store used by other stores for internal caching (for full caching - support, aging needs to be added). - - The database use is meant to support as much attribute association as - possible, while providing for as small search ranges as possible. - This is currently provided for by sorting the entries by numbers that - are composed of bits set at the positions indicated by attribute type - codes. This provides for ranges determined by the highest attribute - type code value. A better idea might be to sort by values computed - from the range of attributes associated with the object (basically, - the difference between the highest and lowest attribute type code) - and it's distance from a base (basically, the lowest associated - attribute type code). -*/ - -typedef struct mem_object_data_st - { - STORE_OBJECT *object; - STORE_ATTR_INFO *attr_info; - int references; - } MEM_OBJECT_DATA; - -DECLARE_STACK_OF(MEM_OBJECT_DATA) -struct mem_data_st - { - STACK_OF(MEM_OBJECT_DATA) *data; /* sorted with - * STORE_ATTR_INFO_compare(). */ - unsigned int compute_components : 1; /* Currently unused, but can - be used to add attributes - from parts of the data. */ - }; - -DECLARE_STACK_OF(STORE_ATTR_INFO) -struct mem_ctx_st - { - int type; /* The type we're searching for */ - STACK_OF(STORE_ATTR_INFO) *search_attributes; /* Sets of - attributes to search for. Each - element is a STORE_ATTR_INFO. */ - int search_index; /* which of the search attributes we - found a match for, -1 when we still - haven't found any */ - int index; /* -1 as long as we're searching for - the first */ - }; - -static int mem_init(STORE *s); -static void mem_clean(STORE *s); -static STORE_OBJECT *mem_generate(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]); -static STORE_OBJECT *mem_get(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]); -static int mem_store(STORE *s, STORE_OBJECT_TYPES type, - STORE_OBJECT *data, OPENSSL_ITEM attributes[], - OPENSSL_ITEM parameters[]); -static int mem_modify(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM search_attributes[], OPENSSL_ITEM add_attributes[], - OPENSSL_ITEM modify_attributes[], OPENSSL_ITEM delete_attributes[], - OPENSSL_ITEM parameters[]); -static int mem_delete(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]); -static void *mem_list_start(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]); -static STORE_OBJECT *mem_list_next(STORE *s, void *handle); -static int mem_list_end(STORE *s, void *handle); -static int mem_list_endp(STORE *s, void *handle); -static int mem_lock(STORE *s, OPENSSL_ITEM attributes[], - OPENSSL_ITEM parameters[]); -static int mem_unlock(STORE *s, OPENSSL_ITEM attributes[], - OPENSSL_ITEM parameters[]); -static int mem_ctrl(STORE *s, int cmd, long l, void *p, void (*f)(void)); - -static STORE_METHOD store_memory = - { - "OpenSSL memory store interface", - mem_init, - mem_clean, - mem_generate, - mem_get, - mem_store, - mem_modify, - NULL, /* revoke */ - mem_delete, - mem_list_start, - mem_list_next, - mem_list_end, - mem_list_endp, - NULL, /* update */ - mem_lock, - mem_unlock, - mem_ctrl - }; - -const STORE_METHOD *STORE_Memory(void) - { - return &store_memory; - } - -static int mem_init(STORE *s) - { - return 1; - } - -static void mem_clean(STORE *s) - { - return; - } - -static STORE_OBJECT *mem_generate(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]) - { - STOREerr(STORE_F_MEM_GENERATE, STORE_R_NOT_IMPLEMENTED); - return 0; - } -static STORE_OBJECT *mem_get(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]) - { - void *context = mem_list_start(s, type, attributes, parameters); - - if (context) - { - STORE_OBJECT *object = mem_list_next(s, context); - - if (mem_list_end(s, context)) - return object; - } - return NULL; - } -static int mem_store(STORE *s, STORE_OBJECT_TYPES type, - STORE_OBJECT *data, OPENSSL_ITEM attributes[], - OPENSSL_ITEM parameters[]) - { - STOREerr(STORE_F_MEM_STORE, STORE_R_NOT_IMPLEMENTED); - return 0; - } -static int mem_modify(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM search_attributes[], OPENSSL_ITEM add_attributes[], - OPENSSL_ITEM modify_attributes[], OPENSSL_ITEM delete_attributes[], - OPENSSL_ITEM parameters[]) - { - STOREerr(STORE_F_MEM_MODIFY, STORE_R_NOT_IMPLEMENTED); - return 0; - } -static int mem_delete(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]) - { - STOREerr(STORE_F_MEM_DELETE, STORE_R_NOT_IMPLEMENTED); - return 0; - } - -/* The list functions may be the hardest to understand. Basically, - mem_list_start compiles a stack of attribute info elements, and - puts that stack into the context to be returned. mem_list_next - will then find the first matching element in the store, and then - walk all the way to the end of the store (since any combination - of attribute bits above the starting point may match the searched - for bit pattern...). */ -static void *mem_list_start(STORE *s, STORE_OBJECT_TYPES type, - OPENSSL_ITEM attributes[], OPENSSL_ITEM parameters[]) - { - struct mem_ctx_st *context = - (struct mem_ctx_st *)OPENSSL_malloc(sizeof(struct mem_ctx_st)); - void *attribute_context = NULL; - STORE_ATTR_INFO *attrs = NULL; - - if (!context) - { - STOREerr(STORE_F_MEM_LIST_START, ERR_R_MALLOC_FAILURE); - return 0; - } - memset(context, 0, sizeof(struct mem_ctx_st)); - - attribute_context = STORE_parse_attrs_start(attributes); - if (!attribute_context) - { - STOREerr(STORE_F_MEM_LIST_START, ERR_R_STORE_LIB); - goto err; - } - - while((attrs = STORE_parse_attrs_next(attribute_context))) - { - if (context->search_attributes == NULL) - { - context->search_attributes = - sk_STORE_ATTR_INFO_new(STORE_ATTR_INFO_compare); - if (!context->search_attributes) - { - STOREerr(STORE_F_MEM_LIST_START, - ERR_R_MALLOC_FAILURE); - goto err; - } - } - sk_STORE_ATTR_INFO_push(context->search_attributes,attrs); - } - if (!STORE_parse_attrs_endp(attribute_context)) - goto err; - STORE_parse_attrs_end(attribute_context); - context->search_index = -1; - context->index = -1; - return context; - err: - if (attribute_context) STORE_parse_attrs_end(attribute_context); - mem_list_end(s, context); - return NULL; - } -static STORE_OBJECT *mem_list_next(STORE *s, void *handle) - { - int i; - struct mem_ctx_st *context = (struct mem_ctx_st *)handle; - struct mem_object_data_st key = { 0, 0, 1 }; - struct mem_data_st *store = - (struct mem_data_st *)STORE_get_ex_data(s, 1); - int srch; - int cres = 0; - - if (!context) - { - STOREerr(STORE_F_MEM_LIST_NEXT, ERR_R_PASSED_NULL_PARAMETER); - return NULL; - } - if (!store) - { - STOREerr(STORE_F_MEM_LIST_NEXT, STORE_R_NO_STORE); - return NULL; - } - - if (context->search_index == -1) - { - for (i = 0; - i < sk_STORE_ATTR_INFO_num(context->search_attributes); - i++) - { - key.attr_info - = sk_STORE_ATTR_INFO_value(context->search_attributes, - i); - srch = sk_MEM_OBJECT_DATA_find_ex(store->data, &key); - - if (srch >= 0) - { - context->search_index = srch; - break; - } - } - } - if (context->search_index < 0) - return NULL; - - key.attr_info = - sk_STORE_ATTR_INFO_value(context->search_attributes, - context->search_index); - for(srch = context->search_index; - srch < sk_MEM_OBJECT_DATA_num(store->data) - && STORE_ATTR_INFO_in_range(key.attr_info, - sk_MEM_OBJECT_DATA_value(store->data, srch)->attr_info) - && !(cres = STORE_ATTR_INFO_in_ex(key.attr_info, - sk_MEM_OBJECT_DATA_value(store->data, srch)->attr_info)); - srch++) - ; - - context->search_index = srch; - if (cres) - return (sk_MEM_OBJECT_DATA_value(store->data, srch))->object; - return NULL; - } -static int mem_list_end(STORE *s, void *handle) - { - struct mem_ctx_st *context = (struct mem_ctx_st *)handle; - - if (!context) - { - STOREerr(STORE_F_MEM_LIST_END, ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - if (context && context->search_attributes) - sk_STORE_ATTR_INFO_free(context->search_attributes); - if (context) OPENSSL_free(context); - return 1; - } -static int mem_list_endp(STORE *s, void *handle) - { - struct mem_ctx_st *context = (struct mem_ctx_st *)handle; - - if (!context - || context->search_index - == sk_STORE_ATTR_INFO_num(context->search_attributes)) - return 1; - return 0; - } -static int mem_lock(STORE *s, OPENSSL_ITEM attributes[], - OPENSSL_ITEM parameters[]) - { - return 1; - } -static int mem_unlock(STORE *s, OPENSSL_ITEM attributes[], - OPENSSL_ITEM parameters[]) - { - return 1; - } -static int mem_ctrl(STORE *s, int cmd, long l, void *p, void (*f)(void)) - { - return 1; - } |