path: root/src/lib/krb5/asn.1/tgrq2ktgrq.c

/*
 * lib/krb5/asn.1/tgrq2ktgrq.c
 *
 * Copyright 1989,1990,1991 by the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 * 
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 * 
 *
 * Glue between Kerberos version and ISODE 6.0 version of structures.
 */


#include <krb5/krb5.h>

/*#include <time.h> */
#include <isode/psap.h>
#include <krb5/asn1.h>
#include "asn1glue.h"

#include <krb5/ext-proto.h>

/* ISODE defines max(a,b) */
#ifndef min
#define min(a,b) ((a) < (b) ? (a) : (b))
#endif

krb5_kdc_req *
KRB5_KDC__REQ__BODY2krb5_kdc_req(val, error)
register const struct type_KRB5_KDC__REQ__BODY *val;
register int *error;
{
    register krb5_kdc_req *retval;
    krb5_enc_data *temp;

    retval = (krb5_kdc_req *)xmalloc(sizeof(*retval));
    if (!retval) {
	*error = ENOMEM;
	return(0);
    }
    memset(retval, 0, sizeof(*retval));

    retval->kdc_options =
	KRB5_KDCOptions2krb5_kdcoptions(val->kdc__options,
					error);
    if (*error) {
    errout:
	krb5_free_kdc_req(retval);
	return(0);
    }
    if (val->cname)
	retval->client =
	    KRB5_PrincipalName2krb5_principal(val->cname,
					      val->realm,
					      error);
    retval->server = KRB5_PrincipalName2krb5_principal(val->sname,
						       val->realm,
						       error);
    if (!retval->server) {
	goto errout;
    }
    if (val->from) {
	retval->from = gentime2unix(val->from, error);
	if (*error) {
	    goto errout;
	}
    }

    retval->till = gentime2unix(val->till, error);
    if (*error) {
	goto errout;
    }
    if (val->rtime) {
	retval->rtime = gentime2unix(val->rtime, error);
	if (*error) {
	    goto errout;
	}
    }
    retval->nonce = val->nonce;

#if 0
    retval->etype = (krb5_enctype *) xmalloc(sizeof(*(retval->etype))*min(1,val->etype->nelem));
    if (!retval->etype) {
	*error = ENOMEM;
	goto errout;
    }
    /* XXX @#$#@ broken ASN.1 compiler, -h2 generates unusable code,
       but the structures would be handle like so: */
    for (i = 0; i < val->etype->nelem; i++) {
	retval->etype[i] = val->etype->element_KRB5_9[i];
    }
    retval->netypes = val->etype->nelem;
#endif
    {
	register int i;
	register struct element_KRB5_8 *rv;
	for (i = 0, rv = val->etype; rv; i++, rv = rv->next)
	    ;
	retval->netypes = i;
	retval->etype = (krb5_enctype *) xcalloc(i+1,sizeof(*retval->etype));
	if (!retval->etype) {
	    *error = ENOMEM;
	    goto errout;
	}
	for (i = 0, rv = val->etype; rv; rv = rv->next, i++)
	    retval->etype[i] = rv->element_KRB5_9;
    }
	
    if (val->addresses) {
	retval->addresses =
	    KRB5_HostAddresses2krb5_address(val->addresses, error);
	if (!retval->addresses) {
	    goto errout;
	}
    }
    if (val->enc__authorization__data) {
	temp = KRB5_EncryptedData2krb5_enc_data(val->enc__authorization__data,
						error);
	if (temp) {
	    retval->authorization_data = *temp;
	    krb5_xfree(temp);
	} else
	    goto errout;
    }
    if (val->additional__tickets) {
#if 0
	/* code for -h2 style, which pepsy can't do right */

	register krb5_ticket **aticks;
        register struct element_KRB5_10 *tptr;
	register int i;

	tptr = val->additional__tickets;
	/* plus one for null terminator */
	aticks = (krb5_ticket **) xcalloc(tptr->nelem + 1,
					  sizeof(*aticks));
	if (!aticks) {
	    *error = ENOMEM;
	    goto errout;
	}
	for (i = 0; (i < tptr->nelem) && tptr->Ticket[i]; i++) {
	    aticks[i] = KRB5_Ticket2krb5_ticket(tptr->Ticket[i], error);
	    if (!aticks[i]) {
		while (i >= 0) {
		    krb5_free_ticket(aticks[i]);
		    i--;
		}
		krb5_xfree(aticks);
		goto errout;
	    }
	}
	retval->second_ticket = aticks;
#endif
	register krb5_ticket **aticks;
        register struct element_KRB5_10 *tptr, *rv;
	register int i;

	tptr = val->additional__tickets;
	for (i = 0, rv = tptr; rv; i++, rv = rv->next)
	    ;

	/* plus one for null terminator */
	aticks = (krb5_ticket **) xcalloc(i + 1, sizeof(*aticks));
	if (!aticks) {
	    *error = ENOMEM;
	    goto errout;
	}
	    
	for (i = 0, rv = tptr; rv; rv = rv->next, i++) {
	    aticks[i] = KRB5_Ticket2krb5_ticket(rv->Ticket, error);
	    if (!aticks[i]) {
		while (i >= 0) {
		    krb5_free_ticket(aticks[i]);
		    i--;
		}
		krb5_xfree(aticks);
		goto errout;
	    }
	}
	retval->second_ticket = aticks;
    }
    return retval;
}


krb5_pa_data **
element_KRB5_72krb5_pa_data(val, error)
    struct element_KRB5_7 *val;
    register int *error;
{
    register krb5_pa_data **retval;
    register int i;
    register struct element_KRB5_7 *rv;

    for (i = 0, rv = val; rv; i++, rv = rv->next)
	;

    /* plus one for null terminator */
    retval = (krb5_pa_data **) xcalloc(i + 1, sizeof(*retval));
    if (!retval) {
	*error = ENOMEM;
	return(0);
    }
    for (i = 0, rv = val; rv; rv = rv->next, i++) {
	if (qb_pullup(rv->PA__DATA->pa__data) != OK) {
	    krb5_xfree(retval);
	    *error = ENOMEM;
	    return(0);
	}
	retval[i] = (krb5_pa_data *) xmalloc(sizeof(*retval[i]));
	if (!retval[i]) {
	    krb5_free_pa_data(retval);
	    *error = ENOMEM;
	    return(0);
	}
	retval[i]->pa_type = rv->PA__DATA->padata__type;
	retval[i]->length = rv->PA__DATA->pa__data->qb_forw->qb_len;
	if (retval[i]->length) {
	    retval[i]->contents = (unsigned char *)xmalloc(rv->PA__DATA->pa__data->qb_forw->qb_len);
	    if (!retval[i]->contents) {
		krb5_xfree(retval[i]);
		retval[i] = 0;
		krb5_free_pa_data(retval);
		*error = ENOMEM;
		return(0);
	    }
	    memcpy(retval[i]->contents,
		   rv->PA__DATA->pa__data->qb_forw->qb_data,
		   retval[i]->length);
	}
    }
    retval[i] = 0;
    return(retval);
}

krb5_kdc_req *
KRB5_KDC__REQ2krb5_kdc_req(val, error)
register const struct type_KRB5_KDC__REQ *val;
register int *error;
{
    register krb5_kdc_req *retval;

    if (!(retval = KRB5_KDC__REQ__BODY2krb5_kdc_req(val->req__body, error)))
	return retval;

    retval->msg_type = val->msg__type;
    if (val->padata) {
	retval->padata = element_KRB5_72krb5_pa_data(val->padata, error);
	if (!retval->padata) {
	    krb5_free_kdc_req(retval);
	    return(0);
	}
    }	
    return(retval);
}