1 /* $NetBSD: hlfsd.h,v 1.1.1.3 2015/01/17 16:34:17 christos Exp $ */ 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 */ 104 typedef struct uid2home_t uid2home_t; 105 typedef struct username2uid_t username2uid_t; 106 107 108 /* 109 * STRUCTURES: 110 */ 111 struct 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 }; 119 120 struct 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 */ 129 extern RETSIGTYPE cleanup(int); 130 extern RETSIGTYPE interlock(int); 131 extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ 132 extern SVCXPRT *nfsxprt; 133 extern char *alt_spooldir; 134 extern char *home_subdir; 135 extern char *homedir(int, int); 136 extern char *mailbox(int, char *); 137 extern char *passwdfile; 138 extern char *slinkname; 139 extern gid_t hlfs_gid; 140 extern u_int cache_interval; 141 extern int noverify; 142 extern int serverpid; 143 extern int untab_index(char *username); 144 extern am_nfs_fh *root_fhp; 145 extern am_nfs_fh root; 146 extern nfstime startup; 147 extern uid2home_t *plt_search(u_int); 148 extern username2uid_t *untab; /* user name table */ 149 extern void fatal(char *); 150 extern void plt_init(void); 151 extern void hlfsd_init_filehandles(void); 152 153 #if defined(DEBUG) || defined(DEBUG_PRINT) 154 extern void plt_dump(uid2home_t *, pid_t); 155 extern void plt_print(int); 156 #endif /* defined(DEBUG) || defined(DEBUG_PRINT) */ 157 158 #endif /* _HLFSD_HLFS_H */ 159