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Diffstat (limited to 'lib/structure.c')
| -rw-r--r-- | lib/structure.c | 1197 |
1 files changed, 0 insertions, 1197 deletions
diff --git a/lib/structure.c b/lib/structure.c deleted file mode 100644 index 01715b1..0000000 --- a/lib/structure.c +++ /dev/null @@ -1,1197 +0,0 @@ -/* - * Copyright (C) 2002-2014 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 - */ - - -/*****************************************************/ -/* File: structure.c */ -/* Description: Functions to create and delete an */ -/* ASN1 tree. */ -/*****************************************************/ - - -#include <int.h> -#include <structure.h> -#include "parser_aux.h" -#include <gstr.h> - - -extern char _asn1_identifierMissing[]; - - -/******************************************************/ -/* Function : _asn1_add_single_node */ -/* Description: creates a new NODE_ASN element. */ -/* Parameters: */ -/* type: type of the new element (see ASN1_ETYPE_ */ -/* and CONST_ constants). */ -/* Return: pointer to the new element. */ -/******************************************************/ -asn1_node -_asn1_add_single_node (unsigned int type) -{ - asn1_node punt; - - punt = calloc (1, sizeof (struct asn1_node_st)); - if (punt == NULL) - return NULL; - - punt->type = type; - - return punt; -} - - -/******************************************************************/ -/* Function : _asn1_find_left */ -/* Description: returns the NODE_ASN element with RIGHT field that*/ -/* points the element NODE. */ -/* Parameters: */ -/* node: NODE_ASN element pointer. */ -/* Return: NULL if not found. */ -/******************************************************************/ -asn1_node -_asn1_find_left (asn1_node node) -{ - if ((node == NULL) || (node->left == NULL) || (node->left->down == node)) - return NULL; - - return node->left; -} - - -int -_asn1_create_static_structure (asn1_node pointer, char *output_file_name, - char *vector_name) -{ - FILE *file; - asn1_node p; - unsigned long t; - - file = fopen (output_file_name, "w"); - - if (file == NULL) - return ASN1_FILE_NOT_FOUND; - - fprintf (file, "#if HAVE_CONFIG_H\n"); - fprintf (file, "# include \"config.h\"\n"); - fprintf (file, "#endif\n\n"); - - fprintf (file, "#include <libtasn1.h>\n\n"); - - fprintf (file, "const asn1_static_node %s[] = {\n", vector_name); - - p = pointer; - - while (p) - { - fprintf (file, " { "); - - if (p->name[0] != 0) - fprintf (file, "\"%s\", ", p->name); - else - fprintf (file, "NULL, "); - - t = p->type; - if (p->down) - t |= CONST_DOWN; - if (p->right) - t |= CONST_RIGHT; - - fprintf (file, "%lu, ", t); - - if (p->value) - fprintf (file, "\"%s\"},\n", p->value); - else - fprintf (file, "NULL },\n"); - - if (p->down) - { - p = p->down; - } - else if (p->right) - { - p = p->right; - } - else - { - while (1) - { - p = _asn1_find_up (p); - if (p == pointer) - { - p = NULL; - break; - } - if (p->right) - { - p = p->right; - break; - } - } - } - } - - fprintf (file, " { NULL, 0, NULL }\n};\n"); - - fclose (file); - - return ASN1_SUCCESS; -} - - -/** - * asn1_array2tree: - * @array: specify the array that contains ASN.1 declarations - * @definitions: return the pointer to the structure created by - * *ARRAY ASN.1 declarations - * @errorDescription: return the error description. - * - * Creates the structures needed to manage the ASN.1 definitions. - * @array is a vector created by asn1_parser2array(). - * - * Returns: %ASN1_SUCCESS if structure was created correctly, - * %ASN1_ELEMENT_NOT_EMPTY if *@definitions not NULL, - * %ASN1_IDENTIFIER_NOT_FOUND if in the file there is an identifier - * that is not defined (see @errorDescription for more information), - * %ASN1_ARRAY_ERROR if the array pointed by @array is wrong. - **/ -int -asn1_array2tree (const asn1_static_node * array, asn1_node * definitions, - char *errorDescription) -{ - asn1_node p, p_last = NULL; - unsigned long k; - int move; - int result; - unsigned int type; - - if (errorDescription) - errorDescription[0] = 0; - - if (*definitions != NULL) - return ASN1_ELEMENT_NOT_EMPTY; - - move = UP; - - k = 0; - while (array[k].value || array[k].type || array[k].name) - { - type = convert_old_type (array[k].type); - - p = _asn1_add_static_node (type & (~CONST_DOWN)); - if (array[k].name) - _asn1_set_name (p, array[k].name); - if (array[k].value) - _asn1_set_value (p, array[k].value, strlen (array[k].value) + 1); - - if (*definitions == NULL) - *definitions = p; - - if (move == DOWN) - _asn1_set_down (p_last, p); - else if (move == RIGHT) - _asn1_set_right (p_last, p); - - p_last = p; - - if (type & CONST_DOWN) - move = DOWN; - else if (type & CONST_RIGHT) - move = RIGHT; - else - { - while (1) - { - if (p_last == *definitions) - break; - - p_last = _asn1_find_up (p_last); - - if (p_last == NULL) - break; - - if (p_last->type & CONST_RIGHT) - { - p_last->type &= ~CONST_RIGHT; - move = RIGHT; - break; - } - } /* while */ - } - k++; - } /* while */ - - if (p_last == *definitions) - { - result = _asn1_check_identifier (*definitions); - if (result == ASN1_SUCCESS) - { - _asn1_change_integer_value (*definitions); - _asn1_expand_object_id (*definitions); - } - } - else - { - result = ASN1_ARRAY_ERROR; - } - - if (errorDescription != NULL) - { - if (result == ASN1_IDENTIFIER_NOT_FOUND) - { - Estrcpy (errorDescription, ":: identifier '"); - Estrcat (errorDescription, _asn1_identifierMissing); - Estrcat (errorDescription, "' not found"); - } - else - errorDescription[0] = 0; - } - - if (result != ASN1_SUCCESS) - { - _asn1_delete_list_and_nodes (); - *definitions = NULL; - } - else - _asn1_delete_list (); - - return result; -} - -/** - * asn1_delete_structure: - * @structure: pointer to the structure that you want to delete. - * - * Deletes the structure *@structure. At the end, *@structure is set - * to NULL. - * - * Returns: %ASN1_SUCCESS if successful, %ASN1_ELEMENT_NOT_FOUND if - * *@structure was NULL. - **/ -int -asn1_delete_structure (asn1_node * structure) -{ - return asn1_delete_structure2(structure, 0); -} - -/** - * asn1_delete_structure2: - * @structure: pointer to the structure that you want to delete. - * @flags: additional flags (see %ASN1_DELETE_FLAG) - * - * Deletes the structure *@structure. At the end, *@structure is set - * to NULL. - * - * Returns: %ASN1_SUCCESS if successful, %ASN1_ELEMENT_NOT_FOUND if - * *@structure was NULL. - **/ -int -asn1_delete_structure2 (asn1_node * structure, unsigned int flags) -{ - asn1_node p, p2, p3; - - if (*structure == NULL) - return ASN1_ELEMENT_NOT_FOUND; - - p = *structure; - while (p) - { - if (p->down) - { - p = p->down; - } - else - { /* no down */ - p2 = p->right; - if (p != *structure) - { - p3 = _asn1_find_up (p); - _asn1_set_down (p3, p2); - _asn1_remove_node (p, flags); - p = p3; - } - else - { /* p==root */ - p3 = _asn1_find_left (p); - if (!p3) - { - p3 = _asn1_find_up (p); - if (p3) - _asn1_set_down (p3, p2); - else - { - if (p->right) - p->right->left = NULL; - } - } - else - _asn1_set_right (p3, p2); - _asn1_remove_node (p, flags); - p = NULL; - } - } - } - - *structure = NULL; - return ASN1_SUCCESS; -} - - - -/** - * asn1_delete_element: - * @structure: pointer to the structure that contains the element you - * want to delete. - * @element_name: element's name you want to delete. - * - * Deletes the element named *@element_name inside *@structure. - * - * Returns: %ASN1_SUCCESS if successful, %ASN1_ELEMENT_NOT_FOUND if - * the @element_name was not found. - **/ -int -asn1_delete_element (asn1_node structure, const char *element_name) -{ - asn1_node p2, p3, source_node; - - source_node = asn1_find_node (structure, element_name); - - if (source_node == NULL) - return ASN1_ELEMENT_NOT_FOUND; - - p2 = source_node->right; - p3 = _asn1_find_left (source_node); - if (!p3) - { - p3 = _asn1_find_up (source_node); - if (p3) - _asn1_set_down (p3, p2); - else if (source_node->right) - source_node->right->left = NULL; - } - else - _asn1_set_right (p3, p2); - - return asn1_delete_structure (&source_node); -} - -asn1_node -_asn1_copy_structure3 (asn1_node source_node) -{ - asn1_node dest_node, p_s, p_d, p_d_prev; - int move; - - if (source_node == NULL) - return NULL; - - dest_node = _asn1_add_single_node (source_node->type); - - p_s = source_node; - p_d = dest_node; - - move = DOWN; - - do - { - if (move != UP) - { - if (p_s->name[0] != 0) - _asn1_cpy_name (p_d, p_s); - if (p_s->value) - _asn1_set_value (p_d, p_s->value, p_s->value_len); - if (p_s->down) - { - p_s = p_s->down; - p_d_prev = p_d; - p_d = _asn1_add_single_node (p_s->type); - _asn1_set_down (p_d_prev, p_d); - continue; - } - p_d->start = p_s->start; - p_d->end = p_s->end; - } - - if (p_s == source_node) - break; - - if (p_s->right) - { - move = RIGHT; - p_s = p_s->right; - p_d_prev = p_d; - p_d = _asn1_add_single_node (p_s->type); - _asn1_set_right (p_d_prev, p_d); - } - else - { - move = UP; - p_s = _asn1_find_up (p_s); - p_d = _asn1_find_up (p_d); - } - } - while (p_s != source_node); - - return dest_node; -} - - -static asn1_node -_asn1_copy_structure2 (asn1_node root, const char *source_name) -{ - asn1_node source_node; - - source_node = asn1_find_node (root, source_name); - - return _asn1_copy_structure3 (source_node); - -} - - -static int -_asn1_type_choice_config (asn1_node node) -{ - asn1_node p, p2, p3, p4; - int move, tlen; - - if (node == NULL) - return ASN1_ELEMENT_NOT_FOUND; - - p = node; - move = DOWN; - - while (!((p == node) && (move == UP))) - { - if (move != UP) - { - if ((type_field (p->type) == ASN1_ETYPE_CHOICE) - && (p->type & CONST_TAG)) - { - p2 = p->down; - while (p2) - { - if (type_field (p2->type) != ASN1_ETYPE_TAG) - { - p2->type |= CONST_TAG; - p3 = _asn1_find_left (p2); - while (p3) - { - if (type_field (p3->type) == ASN1_ETYPE_TAG) - { - p4 = _asn1_add_single_node (p3->type); - tlen = _asn1_strlen (p3->value); - if (tlen > 0) - _asn1_set_value (p4, p3->value, tlen + 1); - _asn1_set_right (p4, p2->down); - _asn1_set_down (p2, p4); - } - p3 = _asn1_find_left (p3); - } - } - p2 = p2->right; - } - p->type &= ~(CONST_TAG); - p2 = p->down; - while (p2) - { - p3 = p2->right; - if (type_field (p2->type) == ASN1_ETYPE_TAG) - asn1_delete_structure (&p2); - p2 = p3; - } - } - move = DOWN; - } - else - move = RIGHT; - - if (move == DOWN) - { - if (p->down) - p = p->down; - else - move = RIGHT; - } - - if (p == node) - { - move = UP; - continue; - } - - if (move == RIGHT) - { - if (p->right) - p = p->right; - else - move = UP; - } - if (move == UP) - p = _asn1_find_up (p); - } - - return ASN1_SUCCESS; -} - - -static int -_asn1_expand_identifier (asn1_node * node, asn1_node root) -{ - asn1_node p, p2, p3; - char name2[ASN1_MAX_NAME_SIZE + 2]; - int move; - - if (node == NULL) - return ASN1_ELEMENT_NOT_FOUND; - - p = *node; - move = DOWN; - - while (!((p == *node) && (move == UP))) - { - if (move != UP) - { - if (type_field (p->type) == ASN1_ETYPE_IDENTIFIER) - { - snprintf (name2, sizeof (name2), "%s.%s", root->name, p->value); - p2 = _asn1_copy_structure2 (root, name2); - if (p2 == NULL) - { - return ASN1_IDENTIFIER_NOT_FOUND; - } - _asn1_cpy_name (p2, p); - p2->right = p->right; - p2->left = p->left; - if (p->right) - p->right->left = p2; - p3 = p->down; - if (p3) - { - while (p3->right) - p3 = p3->right; - _asn1_set_right (p3, p2->down); - _asn1_set_down (p2, p->down); - } - - p3 = _asn1_find_left (p); - if (p3) - _asn1_set_right (p3, p2); - else - { - p3 = _asn1_find_up (p); - if (p3) - _asn1_set_down (p3, p2); - else - { - p2->left = NULL; - } - } - - if (p->type & CONST_SIZE) - p2->type |= CONST_SIZE; - if (p->type & CONST_TAG) - p2->type |= CONST_TAG; - if (p->type & CONST_OPTION) - p2->type |= CONST_OPTION; - if (p->type & CONST_DEFAULT) - p2->type |= CONST_DEFAULT; - if (p->type & CONST_SET) - p2->type |= CONST_SET; - if (p->type & CONST_NOT_USED) - p2->type |= CONST_NOT_USED; - - if (p == *node) - *node = p2; - _asn1_remove_node (p, 0); - p = p2; - move = DOWN; - continue; - } - move = DOWN; - } - else - move = RIGHT; - - if (move == DOWN) - { - if (p->down) - p = p->down; - else - move = RIGHT; - } - - if (p == *node) - { - move = UP; - continue; - } - - if (move == RIGHT) - { - if (p->right) - p = p->right; - else - move = UP; - } - if (move == UP) - p = _asn1_find_up (p); - } - - return ASN1_SUCCESS; -} - - -/** - * asn1_create_element: - * @definitions: pointer to the structure returned by "parser_asn1" function - * @source_name: the name of the type of the new structure (must be - * inside p_structure). - * @element: pointer to the structure created. - * - * Creates a structure of type @source_name. Example using - * "pkix.asn": - * - * rc = asn1_create_element(cert_def, "PKIX1.Certificate", certptr); - * - * Returns: %ASN1_SUCCESS if creation OK, %ASN1_ELEMENT_NOT_FOUND if - * @source_name is not known. - **/ -int -asn1_create_element (asn1_node definitions, const char *source_name, - asn1_node * element) -{ - asn1_node dest_node; - int res; - - dest_node = _asn1_copy_structure2 (definitions, source_name); - - if (dest_node == NULL) - return ASN1_ELEMENT_NOT_FOUND; - - _asn1_set_name (dest_node, ""); - - res = _asn1_expand_identifier (&dest_node, definitions); - _asn1_type_choice_config (dest_node); - - *element = dest_node; - - return res; -} - - -/** - * asn1_print_structure: - * @out: pointer to the output file (e.g. stdout). - * @structure: pointer to the structure that you want to visit. - * @name: an element of the structure - * @mode: specify how much of the structure to print, can be - * %ASN1_PRINT_NAME, %ASN1_PRINT_NAME_TYPE, - * %ASN1_PRINT_NAME_TYPE_VALUE, or %ASN1_PRINT_ALL. - * - * Prints on the @out file descriptor the structure's tree starting - * from the @name element inside the structure @structure. - **/ -void -asn1_print_structure (FILE * out, asn1_node structure, const char *name, - int mode) -{ - asn1_node p, root; - int k, indent = 0, len, len2, len3; - - if (out == NULL) - return; - - root = asn1_find_node (structure, name); - - if (root == NULL) - return; - - p = root; - while (p) - { - if (mode == ASN1_PRINT_ALL) - { - for (k = 0; k < indent; k++) - fprintf (out, " "); - fprintf (out, "name:"); - if (p->name[0] != 0) - fprintf (out, "%s ", p->name); - else - fprintf (out, "NULL "); - } - else - { - switch (type_field (p->type)) - { - case ASN1_ETYPE_CONSTANT: - case ASN1_ETYPE_TAG: - case ASN1_ETYPE_SIZE: - break; - default: - for (k = 0; k < indent; k++) - fprintf (out, " "); - fprintf (out, "name:"); - if (p->name[0] != 0) - fprintf (out, "%s ", p->name); - else - fprintf (out, "NULL "); - } - } - - if (mode != ASN1_PRINT_NAME) - { - unsigned type = type_field (p->type); - switch (type) - { - case ASN1_ETYPE_CONSTANT: - if (mode == ASN1_PRINT_ALL) - fprintf (out, "type:CONST"); - break; - case ASN1_ETYPE_TAG: - if (mode == ASN1_PRINT_ALL) - fprintf (out, "type:TAG"); - break; - case ASN1_ETYPE_SIZE: - if (mode == ASN1_PRINT_ALL) - fprintf (out, "type:SIZE"); - break; - case ASN1_ETYPE_DEFAULT: - fprintf (out, "type:DEFAULT"); - break; - case ASN1_ETYPE_IDENTIFIER: - fprintf (out, "type:IDENTIFIER"); - break; - case ASN1_ETYPE_ANY: - fprintf (out, "type:ANY"); - break; - case ASN1_ETYPE_CHOICE: - fprintf (out, "type:CHOICE"); - break; - case ASN1_ETYPE_DEFINITIONS: - fprintf (out, "type:DEFINITIONS"); - break; - CASE_HANDLED_ETYPES: - fprintf (out, "%s", _asn1_tags[type].desc); - break; - default: - break; - } - } - - if ((mode == ASN1_PRINT_NAME_TYPE_VALUE) || (mode == ASN1_PRINT_ALL)) - { - switch (type_field (p->type)) - { - case ASN1_ETYPE_CONSTANT: - if (mode == ASN1_PRINT_ALL) - if (p->value) - fprintf (out, " value:%s", p->value); - break; - case ASN1_ETYPE_TAG: - if (mode == ASN1_PRINT_ALL) - if (p->value) - fprintf (out, " value:%s", p->value); - break; - case ASN1_ETYPE_SIZE: - if (mode == ASN1_PRINT_ALL) - if (p->value) - fprintf (out, " value:%s", p->value); - break; - case ASN1_ETYPE_DEFAULT: - if (p->value) - fprintf (out, " value:%s", p->value); - else if (p->type & CONST_TRUE) - fprintf (out, " value:TRUE"); - else if (p->type & CONST_FALSE) - fprintf (out, " value:FALSE"); - break; - case ASN1_ETYPE_IDENTIFIER: - if (p->value) - fprintf (out, " value:%s", p->value); - break; - case ASN1_ETYPE_INTEGER: - if (p->value) - { - len2 = -1; - len = asn1_get_length_der (p->value, p->value_len, &len2); - fprintf (out, " value:0x"); - if (len > 0) - for (k = 0; k < len; k++) - fprintf (out, "%02x", (unsigned) (p->value)[k + len2]); - } - break; - case ASN1_ETYPE_ENUMERATED: - if (p->value) - { - len2 = -1; - len = asn1_get_length_der (p->value, p->value_len, &len2); - fprintf (out, " value:0x"); - if (len > 0) - for (k = 0; k < len; k++) - fprintf (out, "%02x", (unsigned) (p->value)[k + len2]); - } - break; - case ASN1_ETYPE_BOOLEAN: - if (p->value) - { - if (p->value[0] == 'T') - fprintf (out, " value:TRUE"); - else if (p->value[0] == 'F') - fprintf (out, " value:FALSE"); - } - break; - case ASN1_ETYPE_BIT_STRING: - if (p->value) - { - len2 = -1; - len = asn1_get_length_der (p->value, p->value_len, &len2); - if (len > 0) - { - fprintf (out, " value(%i):", - (len - 1) * 8 - (p->value[len2])); - for (k = 1; k < len; k++) - fprintf (out, "%02x", (unsigned) (p->value)[k + len2]); - } - } - break; - case ASN1_ETYPE_GENERALIZED_TIME: - case ASN1_ETYPE_UTC_TIME: - if (p->value) - { - fprintf (out, " value:"); - for (k = 0; k < p->value_len; k++) - fprintf (out, "%c", (p->value)[k]); - } - break; - case ASN1_ETYPE_GENERALSTRING: - case ASN1_ETYPE_NUMERIC_STRING: - case ASN1_ETYPE_IA5_STRING: - case ASN1_ETYPE_TELETEX_STRING: - case ASN1_ETYPE_PRINTABLE_STRING: - case ASN1_ETYPE_UNIVERSAL_STRING: - case ASN1_ETYPE_UTF8_STRING: - case ASN1_ETYPE_VISIBLE_STRING: - if (p->value) - { - len2 = -1; - len = asn1_get_length_der (p->value, p->value_len, &len2); - fprintf (out, " value:"); - if (len > 0) - for (k = 0; k < len; k++) - fprintf (out, "%c", (p->value)[k + len2]); - } - break; - case ASN1_ETYPE_BMP_STRING: - case ASN1_ETYPE_OCTET_STRING: - if (p->value) - { - len2 = -1; - len = asn1_get_length_der (p->value, p->value_len, &len2); - fprintf (out, " value:"); - if (len > 0) - for (k = 0; k < len; k++) - fprintf (out, "%02x", (unsigned) (p->value)[k + len2]); - } - break; - case ASN1_ETYPE_OBJECT_ID: - if (p->value) - fprintf (out, " value:%s", p->value); - break; - case ASN1_ETYPE_ANY: - if (p->value) - { - len3 = -1; - len2 = asn1_get_length_der (p->value, p->value_len, &len3); - fprintf (out, " value:"); - if (len2 > 0) - for (k = 0; k < len2; k++) - fprintf (out, "%02x", (unsigned) (p->value)[k + len3]); - } - break; - case ASN1_ETYPE_SET: - case ASN1_ETYPE_SET_OF: - case ASN1_ETYPE_CHOICE: - case ASN1_ETYPE_DEFINITIONS: - case ASN1_ETYPE_SEQUENCE_OF: - case ASN1_ETYPE_SEQUENCE: - case ASN1_ETYPE_NULL: - break; - default: - break; - } - } - - if (mode == ASN1_PRINT_ALL) - { - if (p->type & 0x1FFFFF00) - { - fprintf (out, " attr:"); - if (p->type & CONST_UNIVERSAL) - fprintf (out, "UNIVERSAL,"); - if (p->type & CONST_PRIVATE) - fprintf (out, "PRIVATE,"); - if (p->type & CONST_APPLICATION) - fprintf (out, "APPLICATION,"); - if (p->type & CONST_EXPLICIT) - fprintf (out, "EXPLICIT,"); - if (p->type & CONST_IMPLICIT) - fprintf (out, "IMPLICIT,"); - if (p->type & CONST_TAG) - fprintf (out, "TAG,"); - if (p->type & CONST_DEFAULT) - fprintf (out, "DEFAULT,"); - if (p->type & CONST_TRUE) - fprintf (out, "TRUE,"); - if (p->type & CONST_FALSE) - fprintf (out, "FALSE,"); - if (p->type & CONST_LIST) - fprintf (out, "LIST,"); - if (p->type & CONST_MIN_MAX) - fprintf (out, "MIN_MAX,"); - if (p->type & CONST_OPTION) - fprintf (out, "OPTION,"); - if (p->type & CONST_1_PARAM) - fprintf (out, "1_PARAM,"); - if (p->type & CONST_SIZE) - fprintf (out, "SIZE,"); - if (p->type & CONST_DEFINED_BY) - fprintf (out, "DEF_BY,"); - if (p->type & CONST_GENERALIZED) - fprintf (out, "GENERALIZED,"); - if (p->type & CONST_UTC) - fprintf (out, "UTC,"); - if (p->type & CONST_SET) - fprintf (out, "SET,"); - if (p->type & CONST_NOT_USED) - fprintf (out, "NOT_USED,"); - if (p->type & CONST_ASSIGN) - fprintf (out, "ASSIGNMENT,"); - } - } - - if (mode == ASN1_PRINT_ALL) - { - fprintf (out, "\n"); - } - else - { - switch (type_field (p->type)) - { - case ASN1_ETYPE_CONSTANT: - case ASN1_ETYPE_TAG: - case ASN1_ETYPE_SIZE: - break; - default: - fprintf (out, "\n"); - } - } - - if (p->down) - { - p = p->down; - indent += 2; - } - else if (p == root) - { - p = NULL; - break; - } - else if (p->right) - p = p->right; - else - { - while (1) - { - p = _asn1_find_up (p); - if (p == root) - { - p = NULL; - break; - } - indent -= 2; - if (p->right) - { - p = p->right; - break; - } - } - } - } -} - - - -/** - * asn1_number_of_elements: - * @element: pointer to the root of an ASN1 structure. - * @name: the name of a sub-structure of ROOT. - * @num: pointer to an integer where the result will be stored - * - * Counts the number of elements of a sub-structure called NAME with - * names equal to "?1","?2", ... - * - * Returns: %ASN1_SUCCESS if successful, %ASN1_ELEMENT_NOT_FOUND if - * @name is not known, %ASN1_GENERIC_ERROR if pointer @num is %NULL. - **/ -int -asn1_number_of_elements (asn1_node element, const char *name, int *num) -{ - asn1_node node, p; - - if (num == NULL) - return ASN1_GENERIC_ERROR; - - *num = 0; - - node = asn1_find_node (element, name); - if (node == NULL) - return ASN1_ELEMENT_NOT_FOUND; - - p = node->down; - - while (p) - { - if (p->name[0] == '?') - (*num)++; - p = p->right; - } - - return ASN1_SUCCESS; -} - - -/** - * asn1_find_structure_from_oid: - * @definitions: ASN1 definitions - * @oidValue: value of the OID to search (e.g. "1.2.3.4"). - * - * Search the structure that is defined just after an OID definition. - * - * Returns: %NULL when @oidValue not found, otherwise the pointer to a - * constant string that contains the element name defined just after - * the OID. - **/ -const char * -asn1_find_structure_from_oid (asn1_node definitions, const char *oidValue) -{ - char name[2 * ASN1_MAX_NAME_SIZE + 1]; - char value[ASN1_MAX_NAME_SIZE]; - asn1_node p; - int len; - int result; - const char *definitionsName; - - if ((definitions == NULL) || (oidValue == NULL)) - return NULL; /* ASN1_ELEMENT_NOT_FOUND; */ - - definitionsName = definitions->name; - - /* search the OBJECT_ID into definitions */ - p = definitions->down; - while (p) - { - if ((type_field (p->type) == ASN1_ETYPE_OBJECT_ID) && - (p->type & CONST_ASSIGN)) - { - snprintf(name, sizeof(name), "%s.%s", definitionsName, p->name); - - len = ASN1_MAX_NAME_SIZE; - result = asn1_read_value (definitions, name, value, &len); - - if ((result == ASN1_SUCCESS) && (!strcmp (oidValue, value))) - { - p = p->right; - if (p == NULL) /* reach the end of ASN1 definitions */ - return NULL; /* ASN1_ELEMENT_NOT_FOUND; */ - - return p->name; - } - } - p = p->right; - } - - return NULL; /* ASN1_ELEMENT_NOT_FOUND; */ -} - -/** - * asn1_copy_node: - * @dst: Destination asn1 node. - * @dst_name: Field name in destination node. - * @src: Source asn1 node. - * @src_name: Field name in source node. - * - * Create a deep copy of a asn1_node variable. That - * function requires @dst to be expanded using asn1_create_element(). - * - * Returns: Return %ASN1_SUCCESS on success. - **/ -int -asn1_copy_node (asn1_node dst, const char *dst_name, - asn1_node src, const char *src_name) -{ - int result; - asn1_node dst_node; - void *data = NULL; - int size = 0; - - result = asn1_der_coding (src, src_name, NULL, &size, NULL); - if (result != ASN1_MEM_ERROR) - return result; - - data = malloc (size); - if (data == NULL) - return ASN1_MEM_ERROR; - - result = asn1_der_coding (src, src_name, data, &size, NULL); - if (result != ASN1_SUCCESS) - { - free (data); - return result; - } - - dst_node = asn1_find_node (dst, dst_name); - if (dst_node == NULL) - { - free (data); - return ASN1_ELEMENT_NOT_FOUND; - } - - result = asn1_der_decoding (&dst_node, data, size, NULL); - - free (data); - - return result; -} - -/** - * asn1_dup_node: - * @src: Source asn1 node. - * @src_name: Field name in source node. - * - * Create a deep copy of a asn1_node variable. This function - * will return an exact copy of the provided structure. - * - * Returns: Return %NULL on failure. - **/ -asn1_node -asn1_dup_node (asn1_node src, const char *src_name) -{ - return _asn1_copy_structure2(src, src_name); -} |