/* * Copyright (c) 1997-2001 Erez Zadok * Copyright (c) 1989 Jan-Simon Pendry * Copyright (c) 1989 Imperial College of Science, Technology & Medicine * Copyright (c) 1989 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Jan-Simon Pendry at Imperial College, London. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgment: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * %W% (Berkeley) %G% * * $Id: hlfsd.h,v 1.4.2.2 2001/01/12 22:47:21 ro Exp $ * * HLFSD was written at Columbia University Computer Science Department, by * Erez Zadok and Alexander Dupuy * It is being distributed under the same terms and conditions as amd does. */ #ifndef _HLFSD_HLFS_H #define _HLFSD_HLFS_H /* * MACROS AND CONSTANTS: */ #define HLFSD_VERSION "hlfsd 1.1 (1993-2001)" #define PERS_SPOOLMODE 0755 #define OPEN_SPOOLMODE 01777 #define DOTSTRING "." /* * ROOTID and SLINKID are the fixed "faked" node IDs (inodes) for * the '.' (also '..') and the one symlink within the hlfs. * They must always be unique, and should never match what a UID * could be. * They used to be -1 and -2, respectively. * * I used to cast these to (uid_t) but it failed to compile * with /opt/SUNWspro/bin/cc because uid_t is long, while struct fattr's * uid field is u_int. Then it failed to compile on some linux systems * which define uid_t to be unsigned short, so I used the lowest common * size which is unsigned short. */ /* * XXX: this will cause problems to systems with UIDs greater than * MAX_UNSIGNED_SHORT-3. */ #define ROOTID (((unsigned short) ~0) - 1) #define SLINKID (((unsigned short) ~0) - 2) #ifndef INVALIDID /* this is also defined in include/am_utils.h */ # define INVALIDID (((unsigned short) ~0) - 3) #endif /* not INVALIDID */ #define DOTCOOKIE 1 #define DOTDOTCOOKIE 2 #define SLINKCOOKIE 3 #define ALT_SPOOLDIR "/var/hlfs" /* symlink to use if others fail */ #define HOME_SUBDIR ".hlfsdir" /* dirname in user's home dir */ #define DEFAULT_DIRNAME "/hlfs/home" #define DEFAULT_INTERVAL 900 /* secs b/t re-reads of the password maps */ #define DEFAULT_CACHE_INTERVAL 300 /* secs during which assume a link is up */ #define DEFAULT_HLFS_GROUP "hlfs" /* Group name for special hlfs_gid */ #define PROGNAMESZ (MAXHOSTNAMELEN - 5) #ifdef HAVE_SYSLOG # define DEFAULT_LOGFILE "syslog" #else /* not HAVE)_SYSLOG */ # define DEFAULT_LOGFILE 0 #endif /* not HAVE)_SYSLOG */ #define ERRM ": %m" #define fatalerror(str) \ (fatal (strcat (strnsave ((str), strlen ((str)) + sizeof (ERRM) - 1), ERRM))) /* * TYPEDEFS: */ typedef struct uid2home_t uid2home_t; typedef struct username2uid_t username2uid_t; /* * STRUCTURES: */ struct uid2home_t { uid_t uid; /* XXX: with or without UID_OFFSET? */ pid_t child; char *home; /* really allocated */ char *uname; /* an xref ptr to username2uid_t->username */ u_long last_access_time; int last_status; /* 0=used $HOME/.hlfsspool; !0=used alt dir */ }; struct username2uid_t { char *username; /* really allocated */ uid_t uid; /* XXX: with or without UID_OFFSET? */ char *home; /* an xref ptr to uid2home_t->home */ }; /* * EXTERNALS: */ extern RETSIGTYPE cleanup(int); extern RETSIGTYPE interlock(int); extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ extern SVCXPRT *nfsxprt; extern char *alt_spooldir; extern char *home_subdir; extern char *homedir(int); extern char *mailbox(int, char *); extern char *passwdfile; extern char *slinkname; extern char mboxfile[]; extern gid_t hlfs_gid; extern int cache_interval; extern int noverify; extern int serverpid; extern int sys_nerr; extern int untab_index(char *username); extern am_nfs_fh *root_fhp; extern am_nfs_fh root; extern nfstime startup; extern uid2home_t *plt_search(int); extern username2uid_t *untab; /* user name table */ extern void fatal(char *); extern void plt_init(void); extern void hlfsd_init_filehandles(void); #if defined(DEBUG) || defined(DEBUG_PRINT) extern void plt_dump(uid2home_t *, pid_t); extern void plt_print(int); #endif /* defined(DEBUG) || defined(DEBUG_PRINT) */ #endif /* _HLFSD_HLFS_H */