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/*
* $Source$
* $Author$
*
* Copyright 1990 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <krb5/mit-copyright.h>.
*
* encoding glue routines.
*/
#ifndef lint
static char rcsid_encode_c[] =
"$Id$";
#endif lint
#include <krb5/copyright.h>
#include <isode/psap.h>
#include "KRB5-types.h"
#include <krb5/krb5.h>
#include <errno.h>
#include <krb5/isode_err.h>
#include <krb5/krb5_err.h>
#include <krb5/krb5_tc_err.h>
#include "encode.h"
#include "asn1defs.h"
#include <stdio.h>
#ifdef __STDC__
typedef void * pointer;
#else
typedef char * pointer;
#endif
static char encode_buf[BUFSIZ];
krb5_data *
encode_generic(input, error, encoder, translator, free_translation)
pointer input;
int *error;
int (*encoder)(/* PE, int, int, char *, pointer */);
pointer (*translator)(/* pointer, int * */);
void (*free_translation)(/* pointer */);
{
pointer isode_out;
PE pe;
PS ps;
register krb5_data *retval;
if (!(isode_out = (*translator)(input, error)))
return(0);
if (!(ps = ps_alloc(str_open))) {
*error = ENOMEM;
free_translation(isode_out);
return(0);
}
if (str_setup(ps, encode_buf, sizeof(encode_buf), 1) != OK) {
*error = ps->ps_errno + ISODE_50_PS_ERR_NONE;
errout:
ps_free(ps);
free_translation(isode_out);
return(0);
}
if ((*encoder)(&pe, 0, 0, 0, isode_out)) {
*error = ENOMEM;
goto errout;
}
retval = (krb5_data *)malloc(sizeof(*retval));
if (!retval) {
*error = ENOMEM;
goto errout;
}
if ((retval->length = ps_get_abs(pe)) > sizeof(encode_buf)) {
abort(); /* xxx */
}
retval->data = malloc(ps_get_abs(pe));
if (!retval->data) {
*error = ENOMEM;
free(retval);
goto errout;
}
if (pe2ps(ps, pe) != OK || ps_flush(ps) != OK) {
*error = ps->ps_errno + ISODE_50_PS_ERR_NONE;
free(retval->data);
free(retval);
goto errout;
}
bcopy(encode_buf, retval->data, retval->length);
ps_free(ps);
pe_free(pe);
free_translation(isode_out);
return(retval);
}
pointer
decode_generic(input, error, decoder, translator, free_translation)
krb5_data *input;
int *error;
int (*decoder)(/* PE, int, int, char *, pointer */);
pointer (*translator)(/* pointer, int * */);
void (*free_translation)(/* pointer */);
{
register pointer krb5_out;
pointer isode_temp;
PE pe;
PS ps;
if (!(ps = ps_alloc(str_open))) {
*error = ENOMEM;
return(0);
}
if (str_setup(ps, input->data, input->length, 1) != OK) {
*error = ps->ps_errno + ISODE_50_PS_ERR_NONE;
ps_free(ps);
return(0);
}
if (!(pe = ps2pe(ps))) {
*error = ps->ps_errno + ISODE_50_PS_ERR_NONE;
ps_free(ps);
return(0);
}
if ((*decoder)(pe, 1, 0, 0, &isode_temp) != OK) {
*error = ISODE_50_LOCAL_ERR_BADDECODE;
pe_free(pe);
ps_free(ps);
return(0);
}
krb5_out = (*translator)(isode_temp, error);
pe_free(pe);
ps_free(ps);
free_translation(isode_temp);
return(krb5_out); /* may be error if krb5_out
failed above */
}
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