/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 * 
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

/*
 *	Common definitions & global variables for the AFS user
 *	account facility.
 *
 */

#ifndef _USS_COMMON_H_
#define _USS_COMMON_H_ 1

/*
 * --------------------- Required definitions ---------------------
 */
#include <sys/param.h>		/*Ditto*/
#include <stdio.h>		/*I/O stuff*/
#include <afs/afsutil.h>
#include <errno.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif

/*
 * --------------------- Exported definitions ---------------------
 */

/*
 * Should we use static declarations or malloc()s?
 */

#define uss_QUIET 0
#define uss_VERBOSE 1

#define uss_MAX_ARG		  25
#define uss_MAX_ARG_SIZE	  50
#define uss_MAX_ENTRY		 400
#define uss_PATH_SIZE		AFSDIR_PATH_MAX
#define uss_MAX_SIZE		2048

#define uss_DEFAULT_PASSWORD "changeme"

/*
 * Capacities for the exported variables.
 */
#define uss_UserLen		  8
#define uss_UidLen		  8
#define uss_ServerLen	 	 64
#define uss_PartitionLen	 16
#define uss_MountPointLen	300
#define uss_RealNameLen		100
#define uss_PwdLen		 16
#define uss_PwdPathLen		300
#define uss_PwdFormatLen	100
#define uss_RestoreDirLen	300
#define uss_VolumeLen		300
#define uss_DirPoolLen		300

#if !defined(AFS_LINUX20_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
extern char *sys_errlist[];
#endif

/*
 * We have to chain every directory that we make in order to be
 * able to come back in the reverse order and remove creator's
 * access to each directory.
 */
struct uss_subdir {
    struct uss_subdir *previous;	/*Back ptr*/
    char *path;				/*Pathname to dir*/
    char *finalACL;			/*Final ACL for dir*/
};

/*
 * This is extracted from afsint.h, which can't be included because it
 * redefines some stuff from kauth.h.
 */
struct uss_VolumeStatus {
    afs_int32 Vid;
    afs_int32 ParentId;
    char Online;
    char InService;
    char Blessed;
    char NeedsSalvage;
    afs_int32 Type;
    afs_int32 MinQuota;
    afs_int32 MaxQuota;
    afs_int32 BlocksInUse;
    afs_int32 PartBlocksAvail;
    afs_int32 PartMaxBlocks;
};

typedef struct uss_VolumeStatus uss_VolumeStatus_t;


/*
 * ---------------------- Exported variables ----------------------
 */
extern char uss_User[];			/*User's account name*/
extern char uss_Uid[];			/*User's uid*/
extern char uss_Server[];		/*FileServer hosting user's volume*/
extern char uss_Partition[];		/*FileServer partition for above*/
extern char uss_MountPoint[];		/*Mountpoint for user's volume*/
extern char uss_RealName[];		/*User's full name*/
extern char uss_Pwd[];			/*User's password*/
extern char uss_PwdPath[];		/*Current pathname to password file*/
extern char uss_PwdPath_Saved[];	/*Saved pathname to password file*/
extern char uss_PwdFormat[];		/*Current password entry format*/
extern char uss_PwdFormat_Saved[];	/*Saved password entry format*/
extern char uss_RestoreDir[];		/*Current directory for restore info*/
extern char uss_RestoreDir_Saved[];	/*Saved directory for restore info*/
extern char uss_Auto[];			/*Current choice of AUTO value*/
extern char uss_Var[][uss_MAX_ARG_SIZE]; /*$1, $2, ... command variables*/
extern int uss_VarMax;			/*Largest index in above*/
extern char uss_Volume[];		/*Name of user's volume*/
extern afs_int32 uss_VolumeID;		/*Numerical volume ID*/
extern afs_int32 uss_ServerID;		/*Numerical server ID*/
extern afs_int32 uss_PartitionID;		/*Numerical partition ID*/
extern char uss_DirPool[][uss_DirPoolLen]; /*List of all acceptable subdirs*/

extern int uss_NumGroups;		/*Number of $AUTO entries*/
extern int uss_SaveVolume;		/*Save current user volume?*/
extern int uss_SaveVolume_Saved;	/*Saved value of above*/
extern int uss_DryRun;			/*Is this a dry run?*/
extern int uss_Overwrite;		/*Overwrite user files?*/
extern int uss_SkipKaserver;		/*Ignore calls to Kaserver*/
extern int uss_OverwriteThisOne;	/*Overwrite on this pass?*/
extern char uss_Administrator[];	/*Name of admin account*/
extern char uss_AccountCreator[];	/*Principal running this program*/
extern afs_int32 uss_DesiredUID;		/*UID to assign the user*/
extern afs_int32 uss_Expires;                /*Password lifetime*/
extern char uss_Cell[];			/*Cell in which account lives*/
extern char uss_ConfDir[];		/*Config directory*/
extern int uss_verbose;			/*Should we be verbose?*/
extern int uss_ignoreFlag;		/*Ignore yyparse errors?*/
extern char uss_whoami[];		/*Program name used*/
extern int uss_syntax_err;		/*YACC syntax error?*/
extern struct uss_subdir *uss_currentDir;  /*Current directory*/


/*
 * ------------------------ Exported functions  -----------------------
 */
extern void uss_common_Init();
    /*
     * Summary:
     *    Set up various common uss variables, especially the saved
     *	  ones.
     *
     * Args:
     *	  None.
     *
     * Returns:
     *	  Nothing.
     */

extern void uss_common_Reset();
    /*
     * Summary:
     *    Reset some common uss variables to their idle or
     *	  saved states.
     *
     * Args:
     *	  None.
     *
     * Returns:
     *	  Nothing.
     */

extern char *uss_common_FieldCp();
    /*
     * Summary:
     *    Copy a ``field'', as terminated by the given separator, or
     *	  up to a certain specified length.  Gripe if there was an
     *	  overflow.
     *
     * Args:
     *	  char *a_to	   : Destination of the copy.
     *	  char *a_from     : Source of the copy.
     *	  char a_separator : Separator character to look for.
     *	  int a_maxChars   : Max chars to copy.
     *	  int *a_overflowP : Was there an overflow?
     *
     * Returns:
     *	  Ptr to the next location to read from.
     */

#endif /* _USS_COMMON_H_ */