freeipa/asn1/asn1c/der_encoder.h
Simo Sorce 45ceef14f9 Add asn1c generated code for keytab controls
Instead of manually encoding controls, use an actual asn1 compiler.
The file asn1/asn1c/ipa.asn1 will contain ipa modules. The generated code
is committed to the tree and built into a static library that is linked
to the code that uses it.

The first module implements the GetKeytabControl control.

Related:
https://fedorahosted.org/freeipa/ticket/4718
https://fedorahosted.org/freeipa/ticket/4728

Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Nathaniel McCallum <npmccallum@redhat.com>
2014-11-20 10:57:31 -05:00

68 lines
1.8 KiB
C

/*-
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef _DER_ENCODER_H_
#define _DER_ENCODER_H_
#include <asn_application.h>
#ifdef __cplusplus
extern "C" {
#endif
struct asn_TYPE_descriptor_s; /* Forward declaration */
/*
* The DER encoder of any type. May be invoked by the application.
*/
asn_enc_rval_t der_encode(struct asn_TYPE_descriptor_s *type_descriptor,
void *struct_ptr, /* Structure to be encoded */
asn_app_consume_bytes_f *consume_bytes_cb,
void *app_key /* Arbitrary callback argument */
);
/* A variant of der_encode() which encodes data into the pre-allocated buffer */
asn_enc_rval_t der_encode_to_buffer(
struct asn_TYPE_descriptor_s *type_descriptor,
void *struct_ptr, /* Structure to be encoded */
void *buffer, /* Pre-allocated buffer */
size_t buffer_size /* Initial buffer size (maximum) */
);
/*
* Type of the generic DER encoder.
*/
typedef asn_enc_rval_t (der_type_encoder_f)(
struct asn_TYPE_descriptor_s *type_descriptor,
void *struct_ptr, /* Structure to be encoded */
int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
ber_tlv_tag_t tag,
asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
void *app_key /* Arbitrary callback argument */
);
/*******************************
* INTERNALLY USEFUL FUNCTIONS *
*******************************/
/*
* Write out leading TL[v] sequence according to the type definition.
*/
ssize_t der_write_tags(
struct asn_TYPE_descriptor_s *type_descriptor,
size_t struct_length,
int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
int last_tag_form, /* {0,!0}: prim, constructed */
ber_tlv_tag_t tag,
asn_app_consume_bytes_f *consume_bytes_cb,
void *app_key
);
#ifdef __cplusplus
}
#endif
#endif /* _DER_ENCODER_H_ */