/*
 * Copyright (c) 1995 - 2001, 2003 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* $KTH: kafs.h,v 1.43 2005/02/03 08:45:13 lha Exp $ */

#ifndef __KAFS_H
#define __KAFS_H

/* XXX must include krb5.h or krb.h */

/* sys/ioctl.h must be included manually before kafs.h */

/*
 * The following parts are from the old nnpfs_pioct.h file
 */
struct ViceIoctl {
	caddr_t	in, out;
	short	in_size;
	short	out_size;
};

#ifndef _VICEIOCTL
#define _VICEIOCTL(id)  ((unsigned int ) _IOW('V', id, struct ViceIoctl))
#endif /* _VICEIOCTL */

#define VIOCSETTOK		_VICEIOCTL(3)
#define VIOCGETTOK		_VICEIOCTL(8)
#define VIOCUNLOG		_VICEIOCTL(9)
#define VIOC_FILE_CELL_NAME	_VICEIOCTL(30)

struct ClearToken {
	int32_t	AuthHandle;
	char	HandShakeKey[8];
	int32_t	ViceId;
	int32_t	BeginTimestamp;
	int32_t	EndTimestamp;
};

/* Use k_hasafs() to probe if the machine supports AFS syscalls.
   The other functions will generate a SIGSYS if AFS is not supported */

int k_hasafs (void);

int krb_afslog (const char *cell, const char *realm);
int krb_afslog_uid (const char *cell, const char *realm, uid_t uid);
int krb_afslog_home (const char *cell, const char *realm,
			 const char *homedir);
int krb_afslog_uid_home (const char *cell, const char *realm, uid_t uid,
			     const char *homedir);

int krb_realm_of_cell (const char *cell, char **realm);

/* compat */
#define k_afsklog krb_afslog
#define k_afsklog_uid krb_afslog_uid

int k_pioctl (char *a_path,
		  int o_opcode,
		  struct ViceIoctl *a_paramsP,
		  int a_followSymlinks);
int k_unlog (void);
int k_setpag (void);
int k_afs_cell_of_file (const char *path, char *cell, int len);



/* XXX */
#ifdef KFAILURE
#define KRB_H_INCLUDED
#endif

#ifdef KRB5_RECVAUTH_IGNORE_VERSION
#define KRB5_H_INCLUDED
#endif

void kafs_set_verbose (void (*kafs_verbose)(void *, const char *), void *);
int kafs_settoken_rxkad (const char *, struct ClearToken *,
			     void *ticket, size_t ticket_len);
#ifdef KRB_H_INCLUDED
int kafs_settoken (const char*, uid_t, CREDENTIALS*);
#endif
#ifdef KRB5_H_INCLUDED
int kafs_settoken5 (krb5_context, const char*, uid_t, krb5_creds*);
#endif


#ifdef KRB5_H_INCLUDED
krb5_error_code krb5_afslog_uid (krb5_context context,
				     krb5_ccache id,
				     const char *cell,
				     krb5_const_realm realm,
				     uid_t uid);
krb5_error_code krb5_afslog (krb5_context context,
				 krb5_ccache id, 
				 const char *cell,
				 krb5_const_realm realm);
krb5_error_code krb5_afslog_uid_home (krb5_context context,
					  krb5_ccache id,
					  const char *cell,
					  krb5_const_realm realm,
					  uid_t uid,
					  const char *homedir);

krb5_error_code krb5_afslog_home (krb5_context context,
				      krb5_ccache id,
				      const char *cell,
				      krb5_const_realm realm,
				      const char *homedir);

krb5_error_code krb5_realm_of_cell (const char *cell, char **realm);

#endif

#define _PATH_VICE		"/etc/afs/"
#define _PATH_THISCELL 		_PATH_VICE "ThisCell"
#define _PATH_CELLSERVDB 	_PATH_VICE "CellServDB"
#define _PATH_THESECELLS	_PATH_VICE "TheseCells"

#define _PATH_ARLA_VICE		"/etc/afs/"
#define _PATH_ARLA_THISCELL	_PATH_ARLA_VICE "ThisCell"
#define _PATH_ARLA_CELLSERVDB 	_PATH_ARLA_VICE "CellServDB"
#define _PATH_ARLA_THESECELLS	_PATH_ARLA_VICE "TheseCells"

#if 0
#define _PATH_OPENAFS_DEBIAN_VICE		"/etc/openafs/"
#define _PATH_OPENAFS_DEBIAN_THISCELL		_PATH_OPENAFS_DEBIAN_VICE "ThisCell"
#define _PATH_OPENAFS_DEBIAN_CELLSERVDB 	_PATH_OPENAFS_DEBIAN_VICE "CellServDB"
#define _PATH_OPENAFS_DEBIAN_THESECELLS		_PATH_OPENAFS_DEBIAN_VICE "TheseCells"
#endif

#define _PATH_OPENAFS_MACOSX_VICE		"/var/db/openafs/etc/"
#define _PATH_OPENAFS_MACOSX_THISCELL		_PATH_OPENAFS_MACOSX_VICE "ThisCell"
#define _PATH_OPENAFS_MACOSX_CELLSERVDB		_PATH_OPENAFS_MACOSX_VICE "CellServDB"
#define _PATH_OPENAFS_MACOSX_THESECELLS		_PATH_OPENAFS_MACOSX_VICE "TheseCells"

#define _PATH_ARLA_DEBIAN_VICE			"/etc/arla/"
#define _PATH_ARLA_DEBIAN_THISCELL		_PATH_ARLA_DEBIAN_VICE "ThisCell"
#define _PATH_ARLA_DEBIAN_CELLSERVDB		_PATH_ARLA_DEBIAN_VICE "CellServDB"
#define _PATH_ARLA_DEBIAN_THESECELLS		_PATH_ARLA_DEBIAN_VICE "TheseCells"

#define _PATH_ARLA_OPENBSD_VICE			"/etc/afs/"
#define _PATH_ARLA_OPENBSD_THISCELL		_PATH_ARLA_OPENBSD_VICE "ThisCell"
#define _PATH_ARLA_OPENBSD_CELLSERVDB		_PATH_ARLA_OPENBSD_VICE "CellServDB"
#define _PATH_ARLA_OPENBSD_THESECELLS		_PATH_ARLA_OPENBSD_VICE "TheseCells"

extern int _kafs_debug;

#endif /* __KAFS_H */
