1/* $NetBSD$ */ 2 3/* 4 * Copyright (c) 1997-2014 Erez Zadok 5 * Copyright (c) 1989 Jan-Simon Pendry 6 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 7 * Copyright (c) 1989 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry at Imperial College, London. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * 38 * File: am-utils/hlfsd/hlfsd.h 39 * 40 * HLFSD was written at Columbia University Computer Science Department, by 41 * Erez Zadok <ezk@cs.columbia.edu> and Alexander Dupuy <dupuy@cs.columbia.edu> 42 * It is being distributed under the same terms and conditions as amd does. 43 */ 44 45#ifndef _HLFSD_HLFS_H 46#define _HLFSD_HLFS_H 47 48/* 49 * MACROS AND CONSTANTS: 50 */ 51 52#define HLFSD_VERSION "hlfsd 1.2 (1993-2002)" 53#define PERS_SPOOLMODE 0755 54#define OPEN_SPOOLMODE 01777 55#define DOTSTRING "." 56 57/* 58 * ROOTID and SLINKID are the fixed "faked" node IDs (inodes) for 59 * the '.' (also '..') and the one symlink within the hlfs. 60 * They must always be unique, and should never match what a UID 61 * could be. 62 * They used to be -1 and -2, respectively. 63 * 64 * I used to cast these to (uid_t) but it failed to compile 65 * with /opt/SUNWspro/bin/cc because uid_t is long, while struct fattr's 66 * uid field is u_int. Then it failed to compile on some linux systems 67 * which define uid_t to be unsigned short, so I used the lowest common 68 * size which is unsigned short. 69 */ 70/* 71 * XXX: this will cause problems to systems with UIDs greater than 72 * MAX_UNSIGNED_SHORT-3. 73 */ 74#define ROOTID (((unsigned short) ~0) - 1) 75#define SLINKID (((unsigned short) ~0) - 2) 76#ifndef INVALIDID 77/* this is also defined in include/am_utils.h */ 78# define INVALIDID (((unsigned short) ~0) - 3) 79#endif /* not INVALIDID */ 80 81#define DOTCOOKIE 1 82#define DOTDOTCOOKIE 2 83#define SLINKCOOKIE 3 84 85#define ALT_SPOOLDIR "/var/hlfs" /* symlink to use if others fail */ 86#define HOME_SUBDIR ".hlfsdir" /* dirname in user's home dir */ 87#define DEFAULT_DIRNAME "/hlfs/home" 88#define DEFAULT_INTERVAL 900 /* secs b/t re-reads of the password maps */ 89#define DEFAULT_CACHE_INTERVAL 300 /* secs during which assume a link is up */ 90#define DEFAULT_HLFS_GROUP "hlfs" /* Group name for special hlfs_gid */ 91 92#define PROGNAMESZ (MAXHOSTNAMELEN - 5) 93 94#ifdef HAVE_SYSLOG 95# define DEFAULT_LOGFILE "syslog" 96#else /* not HAVE)_SYSLOG */ 97# define DEFAULT_LOGFILE 0 98#endif /* not HAVE)_SYSLOG */ 99 100 101/* 102 * TYPEDEFS: 103 */ 104typedef struct uid2home_t uid2home_t; 105typedef struct username2uid_t username2uid_t; 106 107 108/* 109 * STRUCTURES: 110 */ 111struct uid2home_t { 112 uid_t uid; /* XXX: with or without UID_OFFSET? */ 113 pid_t child; 114 char *home; /* really allocated */ 115 char *uname; /* an xref ptr to username2uid_t->username */ 116 u_long last_access_time; 117 int last_status; /* 0=used $HOME/.hlfsspool; !0=used alt dir */ 118}; 119 120struct username2uid_t { 121 char *username; /* really allocated */ 122 uid_t uid; /* XXX: with or without UID_OFFSET? */ 123 char *home; /* an xref ptr to uid2home_t->home */ 124}; 125 126/* 127 * EXTERNALS: 128 */ 129extern RETSIGTYPE cleanup(int); 130extern RETSIGTYPE interlock(int); 131extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ 132extern SVCXPRT *nfsxprt; 133extern char *alt_spooldir; 134extern char *home_subdir; 135extern char *homedir(int, int); 136extern char *mailbox(int, char *); 137extern char *passwdfile; 138extern char *slinkname; 139extern gid_t hlfs_gid; 140extern u_int cache_interval; 141extern int noverify; 142extern int serverpid; 143extern int untab_index(char *username); 144extern am_nfs_fh *root_fhp; 145extern am_nfs_fh root; 146extern nfstime startup; 147extern uid2home_t *plt_search(u_int); 148extern username2uid_t *untab; /* user name table */ 149extern void fatal(char *); 150extern void plt_init(void); 151extern void hlfsd_init_filehandles(void); 152 153#if defined(DEBUG) || defined(DEBUG_PRINT) 154extern void plt_dump(uid2home_t *, pid_t); 155extern void plt_print(int); 156#endif /* defined(DEBUG) || defined(DEBUG_PRINT) */ 157 158#endif /* _HLFSD_HLFS_H */ 159