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Diffstat (limited to 'contrib/amd/hlfsd/hlfsd.h')
| -rw-r--r-- | contrib/amd/hlfsd/hlfsd.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/contrib/amd/hlfsd/hlfsd.h b/contrib/amd/hlfsd/hlfsd.h new file mode 100644 index 0000000..dec5d91 --- /dev/null +++ b/contrib/amd/hlfsd/hlfsd.h @@ -0,0 +1,171 @@ +/* + * Copyright (c) 1997-1998 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 acknowledgement: + * 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: hlfs.h,v 1.9 1993/09/13 15:11:00 ezk Exp $ + * + * HLFSD was written at Columbia University Computer Science Department, by + * Erez Zadok <ezk@cs.columbia.edu> and Alexander Dupuy <dupuy@cs.columbia.edu> + * 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 (March 4, 1997-1998)" +#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. + */ +#ifdef EXPERIMENTAL_UID_SIZE +#define UID_SHIFT 30 +# define ROOTID ((1 << UID_SHIFT) - 1) +# define SLINKID ((1 << UID_SHIFT) - 2) +# define INVALIDID ((1 << UID_SHIFT) - 3) +#else /* not EXPERIMENTAL_UID_SIZE */ +/* + * 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) +# define INVALIDID (((unsigned short) ~0) - 3) +#endif /* not EXPERIMENTAL_UID_SIZE */ + + +#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))) + +/* + * TYPDEFS: + */ +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 */ |
