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/*
Unix SMB / CIFS implementation .
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simple ASN1 code
Copyright ( C ) Andrew Tridgell 2001
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This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
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the Free Software Foundation ; either version 3 of the License , or
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( at your option ) any later version .
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This program 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 General Public License for more details .
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You should have received a copy of the GNU General Public License
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along with this program . If not , see < http : //www.gnu.org/licenses/>.
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*/
# ifndef _ASN_1_H
# define _ASN_1_H
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# include "replace.h"
# include <talloc.h>
# include "lib/util/data_blob.h"
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struct nesting ;
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struct asn1_data ;
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typedef struct asn1_data ASN1_DATA ;
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# define ASN1_APPLICATION(x) ((x)+0x60)
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# define ASN1_APPLICATION_SIMPLE(x) ((x)+0x40)
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# define ASN1_SEQUENCE(x) ((x)+0x30)
# define ASN1_CONTEXT(x) ((x)+0xa0)
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# define ASN1_CONTEXT_SIMPLE(x) ((x)+0x80)
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# define ASN1_GENERAL_STRING 0x1b
# define ASN1_OCTET_STRING 0x4
# define ASN1_OID 0x6
# define ASN1_BOOLEAN 0x1
# define ASN1_INTEGER 0x2
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# define ASN1_BIT_STRING 0x3
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# define ASN1_ENUMERATED 0xa
# define ASN1_SET 0x31
# define ASN1_MAX_OIDS 20
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struct asn1_data * asn1_init ( TALLOC_CTX * mem_ctx ) ;
void asn1_free ( struct asn1_data * data ) ;
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bool asn1_has_error ( const struct asn1_data * data ) ;
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void asn1_set_error ( struct asn1_data * data ) ;
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bool asn1_has_nesting ( const struct asn1_data * data ) ;
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off_t asn1_current_ofs ( const struct asn1_data * data ) ;
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bool asn1_write ( struct asn1_data * data , const void * p , int len ) ;
bool asn1_write_uint8 ( struct asn1_data * data , uint8_t v ) ;
bool asn1_push_tag ( struct asn1_data * data , uint8_t tag ) ;
bool asn1_pop_tag ( struct asn1_data * data ) ;
bool asn1_write_implicit_Integer ( struct asn1_data * data , int i ) ;
bool asn1_write_Integer ( struct asn1_data * data , int i ) ;
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bool asn1_write_BitString ( struct asn1_data * data , const void * p , size_t length , uint8_t padding ) ;
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bool ber_write_OID_String ( TALLOC_CTX * mem_ctx , DATA_BLOB * blob , const char * OID ) ;
bool ber_write_partial_OID_String ( TALLOC_CTX * mem_ctx , DATA_BLOB * blob , const char * partial_oid ) ;
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bool asn1_write_OID ( struct asn1_data * data , const char * OID ) ;
bool asn1_write_OctetString ( struct asn1_data * data , const void * p , size_t length ) ;
bool asn1_write_LDAPString ( struct asn1_data * data , const char * s ) ;
bool asn1_write_DATA_BLOB_LDAPString ( struct asn1_data * data , const DATA_BLOB * s ) ;
bool asn1_write_GeneralString ( struct asn1_data * data , const char * s ) ;
bool asn1_write_ContextSimple ( struct asn1_data * data , uint8_t num , DATA_BLOB * blob ) ;
bool asn1_write_BOOLEAN ( struct asn1_data * data , bool v ) ;
bool asn1_read_BOOLEAN ( struct asn1_data * data , bool * v ) ;
bool asn1_check_BOOLEAN ( struct asn1_data * data , bool v ) ;
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bool asn1_write_BOOLEAN_context ( struct asn1_data * data , bool v , int context ) ;
bool asn1_read_BOOLEAN_context ( struct asn1_data * data , bool * v , int context ) ;
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bool asn1_load ( struct asn1_data * data , DATA_BLOB blob ) ;
bool asn1_peek ( struct asn1_data * data , void * p , int len ) ;
bool asn1_read ( struct asn1_data * data , void * p , int len ) ;
bool asn1_read_uint8 ( struct asn1_data * data , uint8_t * v ) ;
bool asn1_peek_uint8 ( struct asn1_data * data , uint8_t * v ) ;
bool asn1_peek_tag ( struct asn1_data * data , uint8_t tag ) ;
bool asn1_start_tag ( struct asn1_data * data , uint8_t tag ) ;
bool asn1_end_tag ( struct asn1_data * data ) ;
int asn1_tag_remaining ( struct asn1_data * data ) ;
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bool ber_read_OID_String ( TALLOC_CTX * mem_ctx , DATA_BLOB blob , char * * OID ) ;
bool ber_read_partial_OID_String ( TALLOC_CTX * mem_ctx , DATA_BLOB blob , char * * partial_oid ) ;
bool asn1_read_OID ( struct asn1_data * data , TALLOC_CTX * mem_ctx , char * * OID ) ;
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bool asn1_check_OID ( struct asn1_data * data , const char * OID ) ;
bool asn1_read_LDAPString ( struct asn1_data * data , TALLOC_CTX * mem_ctx , char * * s ) ;
bool asn1_read_GeneralString ( struct asn1_data * data , TALLOC_CTX * mem_ctx , char * * s ) ;
bool asn1_read_OctetString ( struct asn1_data * data , TALLOC_CTX * mem_ctx , DATA_BLOB * blob ) ;
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bool asn1_read_ContextSimple ( struct asn1_data * data , TALLOC_CTX * mem_ctx , uint8_t num , DATA_BLOB * blob ) ;
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bool asn1_read_implicit_Integer ( struct asn1_data * data , int * i ) ;
bool asn1_read_Integer ( struct asn1_data * data , int * i ) ;
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bool asn1_read_BitString ( struct asn1_data * data , TALLOC_CTX * mem_ctx , DATA_BLOB * blob , uint8_t * padding ) ;
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bool asn1_read_enumerated ( struct asn1_data * data , int * v ) ;
bool asn1_check_enumerated ( struct asn1_data * data , int v ) ;
bool asn1_write_enumerated ( struct asn1_data * data , uint8_t v ) ;
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bool asn1_blob ( const struct asn1_data * asn1 , DATA_BLOB * blob ) ;
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bool asn1_extract_blob ( struct asn1_data * asn1 , TALLOC_CTX * mem_ctx ,
DATA_BLOB * pblob ) ;
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void asn1_load_nocopy ( struct asn1_data * data , uint8_t * buf , size_t len ) ;
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int asn1_peek_full_tag ( DATA_BLOB blob , uint8_t tag , size_t * packet_size ) ;
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# endif /* _ASN_1_H */