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Diffstat (limited to 'lib/minitasn1/parser_aux.h')
-rw-r--r-- | lib/minitasn1/parser_aux.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/lib/minitasn1/parser_aux.h b/lib/minitasn1/parser_aux.h new file mode 100644 index 0000000..0e8621b --- /dev/null +++ b/lib/minitasn1/parser_aux.h @@ -0,0 +1,172 @@ +/* + * Copyright (C) 2000-2021 Free Software Foundation, Inc. + * + * This file is part of LIBTASN1. + * + * The LIBTASN1 library is free software; you can redistribute it + * and/or modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA + */ + +#ifndef _PARSER_AUX_H +#define _PARSER_AUX_H + +/***********************************************/ +/* Type: list_type */ +/* Description: type used in the list during */ +/* the structure creation. */ +/***********************************************/ +typedef struct list_struct +{ + asn1_node node; + struct list_struct *next; +} list_type; + +/***************************************/ +/* Functions used by ASN.1 parser */ +/***************************************/ +asn1_node _asn1_add_static_node (list_type **e_list, unsigned int type); + +void _asn1_delete_list (list_type *e_list); + +void _asn1_delete_list_and_nodes (list_type *e_list); + +void _asn1_delete_node_from_list (list_type *list, asn1_node node); + +asn1_node +_asn1_set_value (asn1_node node, const void *value, unsigned int len); + +asn1_node _asn1_set_value_m (asn1_node node, void *value, unsigned int len); + +asn1_node +_asn1_set_value_lv (asn1_node node, const void *value, unsigned int len); + +asn1_node +_asn1_append_value (asn1_node node, const void *value, unsigned int len); + +asn1_node _asn1_set_name (asn1_node node, const char *name); + +asn1_node _asn1_cpy_name (asn1_node dst, asn1_node_const src); + +asn1_node _asn1_set_right (asn1_node node, asn1_node right); + +asn1_node _asn1_get_last_right (asn1_node_const node); + +void _asn1_remove_node (asn1_node node, unsigned int flags); + +/* Max 64-bit integer length is 20 chars + 1 for sign + 1 for null termination */ +#define LTOSTR_MAX_SIZE 22 +char *_asn1_ltostr (int64_t v, char str[LTOSTR_MAX_SIZE]); + +asn1_node _asn1_find_up (asn1_node_const node); + +int _asn1_change_integer_value (asn1_node node); + +#define EXPAND_OBJECT_ID_MAX_RECURSION 16 +int _asn1_expand_object_id (list_type **list, asn1_node node); + +int _asn1_type_set_config (asn1_node node); + +int _asn1_check_identifier (asn1_node_const node); + +int _asn1_set_default_tag (asn1_node node); + +/******************************************************************/ +/* Function : _asn1_get_right */ +/* Description: returns the element pointed by the RIGHT field of */ +/* a NODE_ASN element. */ +/* Parameters: */ +/* node: NODE_ASN element pointer. */ +/* Return: field RIGHT of NODE. */ +/******************************************************************/ +inline static asn1_node +_asn1_get_right (asn1_node_const node) +{ + if (node == NULL) + return NULL; + return node->right; +} + +/******************************************************************/ +/* Function : _asn1_set_down */ +/* Description: sets the field DOWN in a NODE_ASN element. */ +/* Parameters: */ +/* node: element pointer. */ +/* down: pointer to a NODE_ASN element that you want be pointed */ +/* by NODE. */ +/* Return: pointer to *NODE. */ +/******************************************************************/ +inline static asn1_node +_asn1_set_down (asn1_node node, asn1_node down) +{ + if (node == NULL) + return node; + node->down = down; + if (down) + down->left = node; + return node; +} + +/******************************************************************/ +/* Function : _asn1_get_down */ +/* Description: returns the element pointed by the DOWN field of */ +/* a NODE_ASN element. */ +/* Parameters: */ +/* node: NODE_ASN element pointer. */ +/* Return: field DOWN of NODE. */ +/******************************************************************/ +inline static asn1_node +_asn1_get_down (asn1_node_const node) +{ + if (node == NULL) + return NULL; + return node->down; +} + +/******************************************************************/ +/* Function : _asn1_get_name */ +/* Description: returns the name of a NODE_ASN element. */ +/* Parameters: */ +/* node: NODE_ASN element pointer. */ +/* Return: a null terminated string. */ +/******************************************************************/ +inline static char * +_asn1_get_name (asn1_node_const node) +{ + if (node == NULL) + return NULL; + return (char *) node->name; +} + +/******************************************************************/ +/* Function : _asn1_mod_type */ +/* Description: change the field TYPE of an NODE_ASN element. */ +/* The new value is the old one | (bitwise or) the */ +/* paramener VALUE. */ +/* Parameters: */ +/* node: NODE_ASN element pointer. */ +/* value: the integer value that must be or-ed with the current */ +/* value of field TYPE. */ +/* Return: NODE pointer. */ +/******************************************************************/ +inline static asn1_node +_asn1_mod_type (asn1_node node, unsigned int value) +{ + if (node == NULL) + return node; + node->type |= value; + return node; +} + +#endif |