diff options
Diffstat (limited to 'lib/ASN1.y')
| -rw-r--r-- | lib/ASN1.y | 894 |
1 files changed, 0 insertions, 894 deletions
diff --git a/lib/ASN1.y b/lib/ASN1.y deleted file mode 100644 index 534a9f1..0000000 --- a/lib/ASN1.y +++ /dev/null @@ -1,894 +0,0 @@ -%{ -/* - * Copyright (C) 2001-2014 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: x509_ASN.y */ -/* Description: input file for 'bison' program. */ -/* The output file is a parser (in C language) for */ -/* ASN.1 syntax */ -/*****************************************************/ - -#include <int.h> -#include <parser_aux.h> -#include <structure.h> -#include <libtasn1.h> - -static FILE *file_asn1; /* Pointer to file to parse */ -static int result_parse = 0; /* result of the parser - algorithm */ -static asn1_node p_tree; /* pointer to the root of the - structure created by the - parser*/ -static unsigned int line_number; /* line number describing the - parser position inside the - file */ -static char last_error[ASN1_MAX_ERROR_DESCRIPTION_SIZE] = ""; -static char last_error_token[ASN1_MAX_ERROR_DESCRIPTION_SIZE+1] = ""; /* used when expected errors occur */ -static char last_token[ASN1_MAX_NAME_SIZE+1] = ""; /* last token find in the file - to parse before the 'parse - error' */ -extern char _asn1_identifierMissing[]; -static const char *file_name; /* file to parse */ - -static void _asn1_yyerror (const char *); -static int _asn1_yylex(void); - -%} - -/* Prefix symbols and functions with _asn1_ */ -/* %define parse.lac full */ -%error-verbose -%name-prefix "_asn1_yy" - -%union { - unsigned int constant; - char str[ASN1_MAX_NAME_SIZE+1]; - asn1_node node; -} - - -%token ASSIG "::=" -%token <str> NUM -%token <str> IDENTIFIER -%token OPTIONAL -%token INTEGER -%token SIZE -%token OCTET -%token STRING -%token SEQUENCE -%token BIT -%token UNIVERSAL -%token PRIVATE -%token APPLICATION -%token DEFAULT -%token CHOICE -%token OF -%token OBJECT -%token STR_IDENTIFIER -%token BOOLEAN -%token ASN1_TRUE -%token ASN1_FALSE -%token TOKEN_NULL -%token ANY -%token DEFINED -%token BY -%token SET -%token EXPLICIT -%token IMPLICIT -%token DEFINITIONS -%token TAGS -%token BEGIN -%token END -%token UTCTime -%token GeneralizedTime -%token GeneralString -%token NumericString -%token IA5String -%token TeletexString -%token PrintableString -%token UniversalString -%token BMPString -%token UTF8String -%token VisibleString - -%token FROM -%token IMPORTS -%token ENUMERATED - -%type <node> octet_string_def constant constant_list type_assig_right -%type <node> integer_def type_assig type_assig_list sequence_def type_def -%type <node> bit_string_def default size_def choise_def object_def -%type <node> boolean_def any_def size_def2 obj_constant obj_constant_list -%type <node> constant_def type_constant type_constant_list definitions -%type <node> definitions_id Time bit_element bit_element_list set_def -%type <node> tag_type tag type_assig_right_tag generalstring_def -%type <node> numericstring_def ia5string_def printablestring_def universalstring_def -%type <node> bmpstring_def utf8string_def visiblestring_def teletexstring_def -%type <node> type_assig_right_tag_default enumerated_def -%type <str> pos_num neg_num pos_neg_num pos_neg_identifier pos_neg_list -%type <str> num_identifier -%type <str> int_identifier -%type <constant> class explicit_implicit - -%% - - -definitions: definitions_id - DEFINITIONS explicit_implicit TAGS "::=" BEGIN /* imports_def */ - type_constant_list END - {$$=_asn1_add_static_node(ASN1_ETYPE_DEFINITIONS|$3); - _asn1_set_name($$,_asn1_get_name($1)); - _asn1_set_name($1,""); - _asn1_set_right($1,$7); - _asn1_set_down($$,$1); - - p_tree=$$; - } -; - -pos_num : NUM {snprintf($$,sizeof($$),"%s",$1);} - | '+' NUM {snprintf($$,sizeof($$),"%s",$2);} -; - -neg_num : '-' NUM {snprintf($$,sizeof($$),"-%s",$2);} -; - -pos_neg_num : pos_num {snprintf($$,sizeof($$),"%s",$1);} - | neg_num {snprintf($$,sizeof($$),"%s",$1);} -; - -num_identifier : NUM {snprintf($$,sizeof($$),"%s",$1);} - | IDENTIFIER {snprintf($$,sizeof($$),"%s",$1);} -; - -int_identifier : NUM {snprintf($$,sizeof($$),"%s",$1);} - | '-' NUM {snprintf($$,sizeof($$),"-%s",$2);} - | IDENTIFIER {snprintf($$,sizeof($$),"%s",$1);} -; - -pos_neg_identifier : pos_neg_num {snprintf($$,sizeof($$),"%s",$1);} - | IDENTIFIER {snprintf($$,sizeof($$),"%s",$1);} -; - -constant: '(' pos_neg_num ')' {$$=_asn1_add_static_node(ASN1_ETYPE_CONSTANT); - _asn1_set_value($$,$2,strlen($2)+1);} - | IDENTIFIER'('pos_neg_num')' {$$=_asn1_add_static_node(ASN1_ETYPE_CONSTANT); - _asn1_set_name($$,$1); - _asn1_set_value($$,$3,strlen($3)+1);} -; - -constant_list: constant {$$=$1;} - | constant_list ',' constant {$$=$1; - _asn1_set_right(_asn1_get_last_right($1),$3);} -; - -obj_constant: num_identifier {$$=_asn1_add_static_node(ASN1_ETYPE_CONSTANT); - _asn1_set_value($$,$1,strlen($1)+1);} - | IDENTIFIER'('NUM')' {$$=_asn1_add_static_node(ASN1_ETYPE_CONSTANT); - _asn1_set_name($$,$1); - _asn1_set_value($$,$3,strlen($3)+1);} -; - -obj_constant_list: obj_constant {$$=$1;} - | obj_constant_list obj_constant {$$=$1; - _asn1_set_right(_asn1_get_last_right($1),$2);} -; - -class : UNIVERSAL {$$=CONST_UNIVERSAL;} - | PRIVATE {$$=CONST_PRIVATE;} - | APPLICATION {$$=CONST_APPLICATION;} -; - -tag_type : '[' NUM ']' {$$=_asn1_add_static_node(ASN1_ETYPE_TAG); - _asn1_set_value($$,$2,strlen($2)+1);} - | '[' class NUM ']' {$$=_asn1_add_static_node(ASN1_ETYPE_TAG | $2); - _asn1_set_value($$,$3,strlen($3)+1);} -; - -tag : tag_type {$$=$1;} - | tag_type EXPLICIT {$$=_asn1_mod_type($1,CONST_EXPLICIT);} - | tag_type IMPLICIT {$$=_asn1_mod_type($1,CONST_IMPLICIT);} -; - -default : DEFAULT pos_neg_identifier {$$=_asn1_add_static_node(ASN1_ETYPE_DEFAULT); - _asn1_set_value($$,$2,strlen($2)+1);} - | DEFAULT ASN1_TRUE {$$=_asn1_add_static_node(ASN1_ETYPE_DEFAULT|CONST_TRUE);} - | DEFAULT ASN1_FALSE {$$=_asn1_add_static_node(ASN1_ETYPE_DEFAULT|CONST_FALSE);} -; - - -pos_neg_list: pos_neg_num - | pos_neg_list '|' pos_neg_num -; - - -integer_def: INTEGER {$$=_asn1_add_static_node(ASN1_ETYPE_INTEGER);} - | INTEGER'{'constant_list'}' {$$=_asn1_add_static_node(ASN1_ETYPE_INTEGER|CONST_LIST); - _asn1_set_down($$,$3);} - | integer_def'(' pos_neg_list ')' {$$=_asn1_add_static_node(ASN1_ETYPE_INTEGER);} - | integer_def'('int_identifier'.''.'int_identifier')' - {$$=_asn1_add_static_node(ASN1_ETYPE_INTEGER|CONST_MIN_MAX); - _asn1_set_down($$,_asn1_add_static_node(ASN1_ETYPE_SIZE)); - _asn1_set_value(_asn1_get_down($$),$6,strlen($6)+1); - _asn1_set_name(_asn1_get_down($$),$3);} -; - -boolean_def: BOOLEAN {$$=_asn1_add_static_node(ASN1_ETYPE_BOOLEAN);} -; - -Time: UTCTime {$$=_asn1_add_static_node(ASN1_ETYPE_UTC_TIME);} - | GeneralizedTime {$$=_asn1_add_static_node(ASN1_ETYPE_GENERALIZED_TIME);} -; - -size_def2: SIZE'('num_identifier')' {$$=_asn1_add_static_node(ASN1_ETYPE_SIZE|CONST_1_PARAM); - _asn1_set_value($$,$3,strlen($3)+1);} - | SIZE'('num_identifier'.''.'num_identifier')' - {$$=_asn1_add_static_node(ASN1_ETYPE_SIZE|CONST_MIN_MAX); - _asn1_set_value($$,$3,strlen($3)+1); - _asn1_set_name($$,$6);} -; - -size_def: size_def2 {$$=$1;} - | '(' size_def2 ')' {$$=$2;} -; - -generalstring_def: GeneralString {$$=_asn1_add_static_node(ASN1_ETYPE_GENERALSTRING);} - | GeneralString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_GENERALSTRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -numericstring_def: NumericString {$$=_asn1_add_static_node(ASN1_ETYPE_NUMERIC_STRING|CONST_UNIVERSAL);} - | NumericString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_NUMERIC_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -ia5string_def: IA5String {$$=_asn1_add_static_node(ASN1_ETYPE_IA5_STRING);} - | IA5String size_def {$$=_asn1_add_static_node(ASN1_ETYPE_IA5_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -teletexstring_def: TeletexString {$$=_asn1_add_static_node(ASN1_ETYPE_TELETEX_STRING);} - | TeletexString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_TELETEX_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -printablestring_def: PrintableString {$$=_asn1_add_static_node(ASN1_ETYPE_PRINTABLE_STRING);} - | PrintableString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_PRINTABLE_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -universalstring_def: UniversalString {$$=_asn1_add_static_node(ASN1_ETYPE_UNIVERSAL_STRING);} - | UniversalString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_UNIVERSAL_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -bmpstring_def: BMPString {$$=_asn1_add_static_node(ASN1_ETYPE_BMP_STRING);} - | BMPString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_BMP_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -utf8string_def: UTF8String {$$=_asn1_add_static_node(ASN1_ETYPE_UTF8_STRING);} - | UTF8String size_def {$$=_asn1_add_static_node(ASN1_ETYPE_UTF8_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -visiblestring_def: VisibleString {$$=_asn1_add_static_node(ASN1_ETYPE_VISIBLE_STRING);} - | VisibleString size_def {$$=_asn1_add_static_node(ASN1_ETYPE_VISIBLE_STRING|CONST_SIZE); - _asn1_set_down($$,$2);} -; - -octet_string_def : OCTET STRING {$$=_asn1_add_static_node(ASN1_ETYPE_OCTET_STRING);} - | OCTET STRING size_def {$$=_asn1_add_static_node(ASN1_ETYPE_OCTET_STRING|CONST_SIZE); - _asn1_set_down($$,$3);} -; - -bit_element : IDENTIFIER'('NUM')' {$$=_asn1_add_static_node(ASN1_ETYPE_CONSTANT); - _asn1_set_name($$,$1); - _asn1_set_value($$,$3,strlen($3)+1);} -; - -bit_element_list : bit_element {$$=$1;} - | bit_element_list ',' bit_element {$$=$1; - _asn1_set_right(_asn1_get_last_right($1),$3);} -; - -bit_string_def : BIT STRING {$$=_asn1_add_static_node(ASN1_ETYPE_BIT_STRING);} - | BIT STRING size_def {$$=_asn1_add_static_node(ASN1_ETYPE_BIT_STRING|CONST_SIZE);} - | BIT STRING'{'bit_element_list'}' - {$$=_asn1_add_static_node(ASN1_ETYPE_BIT_STRING|CONST_LIST); - _asn1_set_down($$,$4);} -; - -enumerated_def : ENUMERATED'{'bit_element_list'}' - {$$=_asn1_add_static_node(ASN1_ETYPE_ENUMERATED|CONST_LIST); - _asn1_set_down($$,$3);} -; - - -object_def : OBJECT STR_IDENTIFIER {$$=_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID);} -; - -type_assig_right: IDENTIFIER {$$=_asn1_add_static_node(ASN1_ETYPE_IDENTIFIER); - _asn1_set_value($$,$1,strlen($1)+1);} - | IDENTIFIER size_def {$$=_asn1_add_static_node(ASN1_ETYPE_IDENTIFIER|CONST_SIZE); - _asn1_set_value($$,$1,strlen($1)+1); - _asn1_set_down($$,$2);} - | integer_def {$$=$1;} - | enumerated_def {$$=$1;} - | boolean_def {$$=$1;} - | Time - | octet_string_def {$$=$1;} - | bit_string_def {$$=$1;} - | generalstring_def {$$=$1;} - | numericstring_def {$$=$1;} - | ia5string_def {$$=$1;} - | teletexstring_def {$$=$1;} - | printablestring_def {$$=$1;} - | universalstring_def {$$=$1;} - | bmpstring_def {$$=$1;} - | utf8string_def {$$=$1;} - | visiblestring_def {$$=$1;} - | sequence_def {$$=$1;} - | object_def {$$=$1;} - | choise_def {$$=$1;} - | any_def {$$=$1;} - | set_def {$$=$1;} - | TOKEN_NULL {$$=_asn1_add_static_node(ASN1_ETYPE_NULL);} -; - -type_assig_right_tag : type_assig_right {$$=$1;} - | tag type_assig_right {$$=_asn1_mod_type($2,CONST_TAG); - _asn1_set_right($1,_asn1_get_down($$)); - _asn1_set_down($$,$1);} -; - -type_assig_right_tag_default : type_assig_right_tag {$$=$1;} - | type_assig_right_tag default {$$=_asn1_mod_type($1,CONST_DEFAULT); - _asn1_set_right($2,_asn1_get_down($$)); - _asn1_set_down($$,$2);} - | type_assig_right_tag OPTIONAL {$$=_asn1_mod_type($1,CONST_OPTION);} -; - -type_assig : IDENTIFIER type_assig_right_tag_default {$$=_asn1_set_name($2,$1);} -; - -type_assig_list : type_assig {$$=$1;} - | type_assig_list','type_assig {$$=$1; - _asn1_set_right(_asn1_get_last_right($1),$3);} -; - -sequence_def : SEQUENCE'{'type_assig_list'}' {$$=_asn1_add_static_node(ASN1_ETYPE_SEQUENCE); - _asn1_set_down($$,$3);} - | SEQUENCE OF type_assig_right {$$=_asn1_add_static_node(ASN1_ETYPE_SEQUENCE_OF); - _asn1_set_down($$,$3);} - | SEQUENCE size_def OF type_assig_right {$$=_asn1_add_static_node(ASN1_ETYPE_SEQUENCE_OF|CONST_SIZE); - _asn1_set_right($2,$4); - _asn1_set_down($$,$2);} -; - -set_def : SET'{'type_assig_list'}' {$$=_asn1_add_static_node(ASN1_ETYPE_SET); - _asn1_set_down($$,$3);} - | SET OF type_assig_right {$$=_asn1_add_static_node(ASN1_ETYPE_SET_OF); - _asn1_set_down($$,$3);} - | SET size_def OF type_assig_right {$$=_asn1_add_static_node(ASN1_ETYPE_SET_OF|CONST_SIZE); - _asn1_set_right($2,$4); - _asn1_set_down($$,$2);} -; - -choise_def : CHOICE'{'type_assig_list'}' {$$=_asn1_add_static_node(ASN1_ETYPE_CHOICE); - _asn1_set_down($$,$3);} -; - -any_def : ANY {$$=_asn1_add_static_node(ASN1_ETYPE_ANY);} - | ANY DEFINED BY IDENTIFIER {$$=_asn1_add_static_node(ASN1_ETYPE_ANY|CONST_DEFINED_BY); - _asn1_set_down($$,_asn1_add_static_node(ASN1_ETYPE_CONSTANT)); - _asn1_set_name(_asn1_get_down($$),$4);} -; - -type_def : IDENTIFIER "::=" type_assig_right_tag {$$=_asn1_set_name($3,$1);} - /* below should match: BMPString ::= [UNIVERSAL 30] IMPLICIT OCTET STRING etc*/ - | error "::=" type_assig_right_tag {$$=_asn1_set_name($3, last_error_token);} -; - -constant_def : IDENTIFIER OBJECT STR_IDENTIFIER "::=" '{'obj_constant_list'}' - {$$=_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID|CONST_ASSIGN); - _asn1_set_name($$,$1); - _asn1_set_down($$,$6);} - | IDENTIFIER IDENTIFIER "::=" '{' obj_constant_list '}' - {$$=_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID|CONST_ASSIGN|CONST_1_PARAM); - _asn1_set_name($$,$1); - _asn1_set_value($$,$2,strlen($2)+1); - _asn1_set_down($$,$5);} - | IDENTIFIER INTEGER "::=" pos_neg_num - {$$=_asn1_add_static_node(ASN1_ETYPE_INTEGER|CONST_ASSIGN); - _asn1_set_name($$,$1); - _asn1_set_value($$,$4,strlen($4)+1);} -; - -type_constant: type_def {$$=$1;} - | constant_def {$$=$1;} -; - -type_constant_list : type_constant {$$=$1;} - | type_constant_list type_constant {$$=$1; - _asn1_set_right(_asn1_get_last_right($1),$2);} -; - -definitions_id : IDENTIFIER '{' obj_constant_list '}' {$$=_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID); - _asn1_set_down($$,$3); - _asn1_set_name($$,$1);} - | IDENTIFIER '{' '}' {$$=_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID); - _asn1_set_name($$,$1);} - | IDENTIFIER {$$=_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID); - _asn1_set_name($$,$1);} -; - -/* -identifier_list : IDENTIFIER {$$=_asn1_add_static_node(ASN1_ETYPE_IDENTIFIER); - _asn1_set_name($$,$1);} - | identifier_list IDENTIFIER - {$$=$1; - _asn1_set_right(_asn1_get_last_right($$),_asn1_add_static_node(ASN1_ETYPE_IDENTIFIER)); - _asn1_set_name(_asn1_get_last_right($$),$2);} -; - - -imports_def : empty {$$=NULL;} - | IMPORTS identifier_list FROM IDENTIFIER obj_constant_list - {$$=_asn1_add_static_node(ASN1_ETYPE_IMPORTS); - _asn1_set_down($$,_asn1_add_static_node(ASN1_ETYPE_OBJECT_ID)); - _asn1_set_name(_asn1_get_down($$),$4); - _asn1_set_down(_asn1_get_down($$),$5); - _asn1_set_right($$,$2);} -; -*/ - -explicit_implicit : EXPLICIT {$$=CONST_EXPLICIT;} - | IMPLICIT {$$=CONST_IMPLICIT;} -; - - -%% - - - -static const char *key_word[] = { - "::=","OPTIONAL","INTEGER","SIZE","OCTET","STRING", - "SEQUENCE","BIT","UNIVERSAL","PRIVATE","OPTIONAL", - "DEFAULT","CHOICE","OF","OBJECT","IDENTIFIER", - "BOOLEAN","TRUE","FALSE","APPLICATION","ANY","DEFINED", - "SET","BY","EXPLICIT","IMPLICIT","DEFINITIONS","TAGS", - "BEGIN","END","UTCTime","GeneralizedTime", - "GeneralString","FROM","IMPORTS","NULL","ENUMERATED", - "NumericString", "IA5String", "TeletexString", "PrintableString", - "UniversalString", "BMPString", "UTF8String", "VisibleString"}; - -static const int key_word_token[] = { - ASSIG, OPTIONAL, INTEGER, SIZE, OCTET, STRING, SEQUENCE, BIT, UNIVERSAL, - PRIVATE, OPTIONAL, DEFAULT, CHOICE, OF, OBJECT, STR_IDENTIFIER, - BOOLEAN, ASN1_TRUE, ASN1_FALSE, APPLICATION, ANY, DEFINED, SET, BY, - EXPLICIT, IMPLICIT, DEFINITIONS, TAGS, BEGIN, END, UTCTime, - GeneralizedTime, GeneralString, FROM, IMPORTS, TOKEN_NULL, - ENUMERATED, NumericString, IA5String, TeletexString, PrintableString, - UniversalString, BMPString, UTF8String, VisibleString -}; - -/*************************************************************/ -/* Function: _asn1_yylex */ -/* Description: looks for tokens in file_asn1 pointer file. */ -/* Return: int */ -/* Token identifier or ASCII code or 0(zero: End Of File) */ -/*************************************************************/ -static int -_asn1_yylex () -{ - int c, counter = 0, k, lastc; - char string[ASN1_MAX_NAME_SIZE + 1]; /* will contain the next token */ - size_t i; - - while (1) - { - while ((c = fgetc (file_asn1)) == ' ' || c == '\t' || c == '\n') - if (c == '\n') - line_number++; - - if (c == EOF) - { - snprintf (last_token, sizeof(last_token), "End Of File"); - return 0; - } - - if (c == '(' || c == ')' || c == '[' || c == ']' || - c == '{' || c == '}' || c == ',' || c == '.' || - c == '+' || c == '|') - { - last_token[0] = c; - last_token[1] = 0; - return c; - } - if (c == '-') - { /* Maybe the first '-' of a comment */ - if ((c = fgetc (file_asn1)) != '-') - { - ungetc (c, file_asn1); - last_token[0] = '-'; - last_token[1] = 0; - return '-'; - } - else - { /* Comments */ - lastc = 0; - counter = 0; - /* A comment finishes at the next double hypen or the end of line */ - while ((c = fgetc (file_asn1)) != EOF && c != '\n' && - (lastc != '-' || (lastc == '-' && c != '-'))) - lastc = c; - if (c == EOF) - { - snprintf (last_token, sizeof(last_token), "End Of File"); - return 0; - } - else - { - if (c == '\n') - line_number++; - continue; /* next char, please! (repeat the search) */ - } - } - } - string[counter++] = c; - /* Till the end of the token */ - while (! - ((c = fgetc (file_asn1)) == EOF || c == ' ' || c == '\t' - || c == '\n' || c == '(' || c == ')' || c == '[' || c == ']' - || c == '{' || c == '}' || c == ',' || c == '.')) - { - if (counter >= ASN1_MAX_NAME_SIZE) - { - result_parse = ASN1_NAME_TOO_LONG; - return 0; - } - string[counter++] = c; - } - ungetc (c, file_asn1); - string[counter] = 0; - snprintf (last_token, sizeof(last_token), "%s", string); - - /* Is STRING a number? */ - for (k = 0; k < counter; k++) - if (!isdigit ((int)string[k])) - break; - if (k >= counter) - { - snprintf (yylval.str, sizeof(yylval.str), "%s", string); - return NUM; /* return the number */ - } - - /* Is STRING a keyword? */ - for (i = 0; i < (sizeof (key_word) / sizeof (char *)); i++) - if (!strcmp (string, key_word[i])) - return key_word_token[i]; - - /* STRING is an IDENTIFIER */ - snprintf (yylval.str, sizeof(yylval.str), "%s", string); - return IDENTIFIER; - } -} - -/*************************************************************/ -/* Function: _asn1_create_errorDescription */ -/* Description: creates a string with the description of the*/ -/* error. */ -/* Parameters: */ -/* error : error to describe. */ -/* error_desc: string that will contain the */ -/* description. */ -/*************************************************************/ -static void -_asn1_create_errorDescription (int error, char *error_desc) -{ - if (error_desc == NULL) - return; - - - switch (error) - { - case ASN1_FILE_NOT_FOUND: - snprintf(error_desc, ASN1_MAX_ERROR_DESCRIPTION_SIZE, "%s file was not found", file_name); - break; - case ASN1_SYNTAX_ERROR: - snprintf(error_desc, ASN1_MAX_ERROR_DESCRIPTION_SIZE, "%s", last_error); - break; - case ASN1_NAME_TOO_LONG: - snprintf (error_desc, ASN1_MAX_ERROR_DESCRIPTION_SIZE, - "%s:%u: name too long (more than %u characters)", file_name, - line_number, (unsigned)ASN1_MAX_NAME_SIZE); - break; - case ASN1_IDENTIFIER_NOT_FOUND: - snprintf (error_desc, ASN1_MAX_ERROR_DESCRIPTION_SIZE, - "%s:: identifier '%s' not found", file_name, - _asn1_identifierMissing); - break; - default: - error_desc[0] = 0; - break; - } - -} - -/** - * asn1_parser2tree: - * @file: specify the path and the name of file that contains - * ASN.1 declarations. - * @definitions: return the pointer to the structure created from - * "file" ASN.1 declarations. - * @error_desc: return the error description or an empty - * string if success. - * - * Function used to start the parse algorithm. Creates the structures - * needed to manage the definitions included in @file file. - * - * Returns: %ASN1_SUCCESS if the file has a correct syntax and every - * identifier is known, %ASN1_ELEMENT_NOT_EMPTY if @definitions not - * %NULL, %ASN1_FILE_NOT_FOUND if an error occurred while - * opening @file, %ASN1_SYNTAX_ERROR if the syntax is not - * correct, %ASN1_IDENTIFIER_NOT_FOUND if in the file there is an - * identifier that is not defined, %ASN1_NAME_TOO_LONG if in the - * file there is an identifier whith more than %ASN1_MAX_NAME_SIZE - * characters. - **/ -int -asn1_parser2tree (const char *file, asn1_node * definitions, - char *error_desc) -{ - - p_tree = NULL; - - if (*definitions != NULL) - return ASN1_ELEMENT_NOT_EMPTY; - - *definitions = NULL; - - file_name = file; - - /* open the file to parse */ - file_asn1 = fopen (file, "r"); - - if (file_asn1 == NULL) - { - result_parse = ASN1_FILE_NOT_FOUND; - } - else - { - result_parse = ASN1_SUCCESS; - - line_number = 1; - yyparse (); - - fclose (file_asn1); - - if (result_parse == ASN1_SUCCESS) - { /* syntax OK */ - /* set IMPLICIT or EXPLICIT property */ - _asn1_set_default_tag (p_tree); - /* set CONST_SET and CONST_NOT_USED */ - _asn1_type_set_config (p_tree); - /* check the identifier definitions */ - result_parse = _asn1_check_identifier (p_tree); - if (result_parse == ASN1_SUCCESS) - { /* all identifier defined */ - /* Delete the list and keep the ASN1 structure */ - _asn1_delete_list (); - /* Convert into DER coding the value assign to INTEGER constants */ - _asn1_change_integer_value (p_tree); - /* Expand the IDs of OBJECT IDENTIFIER constants */ - _asn1_expand_object_id (p_tree); - - *definitions = p_tree; - } - else /* some identifiers not defined */ - /* Delete the list and the ASN1 structure */ - _asn1_delete_list_and_nodes (); - } - else /* syntax error */ - /* Delete the list and the ASN1 structure */ - _asn1_delete_list_and_nodes (); - } - - _asn1_create_errorDescription (result_parse, error_desc); - - return result_parse; -} - -/** - * asn1_parser2array: - * @inputFileName: specify the path and the name of file that - * contains ASN.1 declarations. - * @outputFileName: specify the path and the name of file that will - * contain the C vector definition. - * @vectorName: specify the name of the C vector. - * @error_desc: return the error description or an empty - * string if success. - * - * Function that generates a C structure from an ASN1 file. Creates a - * file containing a C vector to use to manage the definitions - * included in @inputFileName file. If @inputFileName is - * "/aa/bb/xx.yy" and @outputFileName is %NULL, the file created is - * "/aa/bb/xx_asn1_tab.c". If @vectorName is %NULL the vector name - * will be "xx_asn1_tab". - * - * Returns: %ASN1_SUCCESS if the file has a correct syntax and every - * identifier is known, %ASN1_FILE_NOT_FOUND if an error occurred - * while opening @inputFileName, %ASN1_SYNTAX_ERROR if the syntax is - * not correct, %ASN1_IDENTIFIER_NOT_FOUND if in the file there is - * an identifier that is not defined, %ASN1_NAME_TOO_LONG if in the - * file there is an identifier whith more than %ASN1_MAX_NAME_SIZE - * characters. - **/ -int -asn1_parser2array (const char *inputFileName, const char *outputFileName, - const char *vectorName, char *error_desc) -{ - char *file_out_name = NULL; - char *vector_name = NULL; - const char *char_p, *slash_p, *dot_p; - - p_tree = NULL; - - file_name = inputFileName; - - /* open the file to parse */ - file_asn1 = fopen (inputFileName, "r"); - - if (file_asn1 == NULL) - result_parse = ASN1_FILE_NOT_FOUND; - else - { - result_parse = ASN1_SUCCESS; - - line_number = 1; - yyparse (); - - fclose (file_asn1); - - if (result_parse == ASN1_SUCCESS) - { /* syntax OK */ - /* set IMPLICIT or EXPLICIT property */ - _asn1_set_default_tag (p_tree); - /* set CONST_SET and CONST_NOT_USED */ - _asn1_type_set_config (p_tree); - /* check the identifier definitions */ - result_parse = _asn1_check_identifier (p_tree); - - if (result_parse == ASN1_SUCCESS) - { /* all identifier defined */ - - /* searching the last '/' and '.' in inputFileName */ - char_p = inputFileName; - slash_p = inputFileName; - while ((char_p = strchr (char_p, '/'))) - { - char_p++; - slash_p = char_p; - } - - char_p = slash_p; - dot_p = inputFileName + strlen (inputFileName); - - while ((char_p = strchr (char_p, '.'))) - { - dot_p = char_p; - char_p++; - } - - if (outputFileName == NULL) - { - /* file_out_name = inputFileName + _asn1_tab.c */ - file_out_name = malloc (dot_p - inputFileName + 1 + - strlen ("_asn1_tab.c")); - memcpy (file_out_name, inputFileName, - dot_p - inputFileName); - file_out_name[dot_p - inputFileName] = 0; - strcat (file_out_name, "_asn1_tab.c"); - } - else - { - /* file_out_name = inputFileName */ - file_out_name = - (char *) malloc (strlen (outputFileName) + 1); - strcpy (file_out_name, outputFileName); - } - - if (vectorName == NULL) - { - /* vector_name = file name + _asn1_tab */ - vector_name = malloc (dot_p - slash_p + 1 + - strlen ("_asn1_tab")); - memcpy (vector_name, slash_p, dot_p - slash_p); - vector_name[dot_p - slash_p] = 0; - strcat (vector_name, "_asn1_tab"); - } - else - { - /* vector_name = vectorName */ - vector_name = (char *) malloc (strlen (vectorName) + 1); - strcpy (vector_name, vectorName); - } - - /* Save structure in a file */ - _asn1_create_static_structure (p_tree, - file_out_name, vector_name); - - free (file_out_name); - free (vector_name); - } /* result == OK */ - } /* result == OK */ - - /* Delete the list and the ASN1 structure */ - _asn1_delete_list_and_nodes (); - } /* inputFile exist */ - - _asn1_create_errorDescription (result_parse, error_desc); - - return result_parse; -} - -/*************************************************************/ -/* Function: _asn1_yyerror */ -/* Description: function called when there are syntax errors*/ -/* Parameters: */ -/* char *s : error description */ -/* Return: int */ -/* */ -/*************************************************************/ -static void -_asn1_yyerror (const char *s) -{ - /* Sends the error description to the std_out */ - - if (strcmp (last_token, "VisibleString") == 0 || - strcmp (last_token, "PrintableString") == 0 || - strcmp (last_token, "UniversalString") == 0 || - strcmp (last_token, "IA5String") == 0 || - strcmp (last_token, "UTF8String") == 0 || - strcmp (last_token, "NumericString") == 0 || - strcmp (last_token, "TeletexString") == 0 || - strcmp (last_token, "BMPString") == 0) - { - snprintf (last_error_token, sizeof(last_error_token), - "%s", last_token); - fprintf(stderr, "%s:%u: Warning: %s is a built-in ASN.1 type.\n", - file_name, line_number, last_token); - return; - } - last_error_token[0] = 0; - - if (result_parse != ASN1_NAME_TOO_LONG) - { - snprintf (last_error, sizeof(last_error), - "%s:%u: Error: %s near '%s'", file_name, - line_number, s, last_token); - result_parse = ASN1_SYNTAX_ERROR; - } - - return; -} |