1 /* $NetBSD: hlfsd.h,v 1.1.1.2 2009/03/20 20:26:55 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2009 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. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgment: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * 42 * File: am-utils/hlfsd/hlfsd.h 43 * 44 * HLFSD was written at Columbia University Computer Science Department, by 45 * Erez Zadok <ezk@cs.columbia.edu> and Alexander Dupuy <dupuy@cs.columbia.edu> 46 * It is being distributed under the same terms and conditions as amd does. 47 */ 48 49 #ifndef _HLFSD_HLFS_H 50 #define _HLFSD_HLFS_H 51 52 /* 53 * MACROS AND CONSTANTS: 54 */ 55 56 #define HLFSD_VERSION "hlfsd 1.2 (1993-2002)" 57 #define PERS_SPOOLMODE 0755 58 #define OPEN_SPOOLMODE 01777 59 #define DOTSTRING "." 60 61 /* 62 * ROOTID and SLINKID are the fixed "faked" node IDs (inodes) for 63 * the '.' (also '..') and the one symlink within the hlfs. 64 * They must always be unique, and should never match what a UID 65 * could be. 66 * They used to be -1 and -2, respectively. 67 * 68 * I used to cast these to (uid_t) but it failed to compile 69 * with /opt/SUNWspro/bin/cc because uid_t is long, while struct fattr's 70 * uid field is u_int. Then it failed to compile on some linux systems 71 * which define uid_t to be unsigned short, so I used the lowest common 72 * size which is unsigned short. 73 */ 74 /* 75 * XXX: this will cause problems to systems with UIDs greater than 76 * MAX_UNSIGNED_SHORT-3. 77 */ 78 #define ROOTID (((unsigned short) ~0) - 1) 79 #define SLINKID (((unsigned short) ~0) - 2) 80 #ifndef INVALIDID 81 /* this is also defined in include/am_utils.h */ 82 # define INVALIDID (((unsigned short) ~0) - 3) 83 #endif /* not INVALIDID */ 84 85 #define DOTCOOKIE 1 86 #define DOTDOTCOOKIE 2 87 #define SLINKCOOKIE 3 88 89 #define ALT_SPOOLDIR "/var/hlfs" /* symlink to use if others fail */ 90 #define HOME_SUBDIR ".hlfsdir" /* dirname in user's home dir */ 91 #define DEFAULT_DIRNAME "/hlfs/home" 92 #define DEFAULT_INTERVAL 900 /* secs b/t re-reads of the password maps */ 93 #define DEFAULT_CACHE_INTERVAL 300 /* secs during which assume a link is up */ 94 #define DEFAULT_HLFS_GROUP "hlfs" /* Group name for special hlfs_gid */ 95 96 #define PROGNAMESZ (MAXHOSTNAMELEN - 5) 97 98 #ifdef HAVE_SYSLOG 99 # define DEFAULT_LOGFILE "syslog" 100 #else /* not HAVE)_SYSLOG */ 101 # define DEFAULT_LOGFILE 0 102 #endif /* not HAVE)_SYSLOG */ 103 104 105 /* 106 * TYPEDEFS: 107 */ 108 typedef struct uid2home_t uid2home_t; 109 typedef struct username2uid_t username2uid_t; 110 111 112 /* 113 * STRUCTURES: 114 */ 115 struct uid2home_t { 116 uid_t uid; /* XXX: with or without UID_OFFSET? */ 117 pid_t child; 118 char *home; /* really allocated */ 119 char *uname; /* an xref ptr to username2uid_t->username */ 120 u_long last_access_time; 121 int last_status; /* 0=used $HOME/.hlfsspool; !0=used alt dir */ 122 }; 123 124 struct username2uid_t { 125 char *username; /* really allocated */ 126 uid_t uid; /* XXX: with or without UID_OFFSET? */ 127 char *home; /* an xref ptr to uid2home_t->home */ 128 }; 129 130 /* 131 * EXTERNALS: 132 */ 133 extern RETSIGTYPE cleanup(int); 134 extern RETSIGTYPE interlock(int); 135 extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ 136 extern SVCXPRT *nfsxprt; 137 extern char *alt_spooldir; 138 extern char *home_subdir; 139 extern char *homedir(int, int); 140 extern char *mailbox(int, char *); 141 extern char *passwdfile; 142 extern char *slinkname; 143 extern gid_t hlfs_gid; 144 extern u_int cache_interval; 145 extern int noverify; 146 extern int serverpid; 147 extern int untab_index(char *username); 148 extern am_nfs_fh *root_fhp; 149 extern am_nfs_fh root; 150 extern nfstime startup; 151 extern uid2home_t *plt_search(u_int); 152 extern username2uid_t *untab; /* user name table */ 153 extern void fatal(char *); 154 extern void plt_init(void); 155 extern void hlfsd_init_filehandles(void); 156 157 #if defined(DEBUG) || defined(DEBUG_PRINT) 158 extern void plt_dump(uid2home_t *, pid_t); 159 extern void plt_print(int); 160 #endif /* defined(DEBUG) || defined(DEBUG_PRINT) */ 161 162 #endif /* _HLFSD_HLFS_H */ 163