1*31bdb48aSchristos /* $NetBSD: hlfsd.h,v 1.1.1.3 2015/01/17 16:34:17 christos Exp $ */ 2a53f50b9Schristos 3a53f50b9Schristos /* 4*31bdb48aSchristos * Copyright (c) 1997-2014 Erez Zadok 5a53f50b9Schristos * Copyright (c) 1989 Jan-Simon Pendry 6a53f50b9Schristos * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 7a53f50b9Schristos * Copyright (c) 1989 The Regents of the University of California. 8a53f50b9Schristos * All rights reserved. 9a53f50b9Schristos * 10a53f50b9Schristos * This code is derived from software contributed to Berkeley by 11a53f50b9Schristos * Jan-Simon Pendry at Imperial College, London. 12a53f50b9Schristos * 13a53f50b9Schristos * Redistribution and use in source and binary forms, with or without 14a53f50b9Schristos * modification, are permitted provided that the following conditions 15a53f50b9Schristos * are met: 16a53f50b9Schristos * 1. Redistributions of source code must retain the above copyright 17a53f50b9Schristos * notice, this list of conditions and the following disclaimer. 18a53f50b9Schristos * 2. Redistributions in binary form must reproduce the above copyright 19a53f50b9Schristos * notice, this list of conditions and the following disclaimer in the 20a53f50b9Schristos * documentation and/or other materials provided with the distribution. 21*31bdb48aSchristos * 3. Neither the name of the University nor the names of its contributors 22a53f50b9Schristos * may be used to endorse or promote products derived from this software 23a53f50b9Schristos * without specific prior written permission. 24a53f50b9Schristos * 25a53f50b9Schristos * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26a53f50b9Schristos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27a53f50b9Schristos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28a53f50b9Schristos * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29a53f50b9Schristos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30a53f50b9Schristos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31a53f50b9Schristos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32a53f50b9Schristos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33a53f50b9Schristos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34a53f50b9Schristos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35a53f50b9Schristos * SUCH DAMAGE. 36a53f50b9Schristos * 37a53f50b9Schristos * 38a53f50b9Schristos * File: am-utils/hlfsd/hlfsd.h 39a53f50b9Schristos * 40a53f50b9Schristos * HLFSD was written at Columbia University Computer Science Department, by 41a53f50b9Schristos * Erez Zadok <ezk@cs.columbia.edu> and Alexander Dupuy <dupuy@cs.columbia.edu> 42a53f50b9Schristos * It is being distributed under the same terms and conditions as amd does. 43a53f50b9Schristos */ 44a53f50b9Schristos 45a53f50b9Schristos #ifndef _HLFSD_HLFS_H 46a53f50b9Schristos #define _HLFSD_HLFS_H 47a53f50b9Schristos 48a53f50b9Schristos /* 49a53f50b9Schristos * MACROS AND CONSTANTS: 50a53f50b9Schristos */ 51a53f50b9Schristos 52a53f50b9Schristos #define HLFSD_VERSION "hlfsd 1.2 (1993-2002)" 53a53f50b9Schristos #define PERS_SPOOLMODE 0755 54a53f50b9Schristos #define OPEN_SPOOLMODE 01777 55a53f50b9Schristos #define DOTSTRING "." 56a53f50b9Schristos 57a53f50b9Schristos /* 58a53f50b9Schristos * ROOTID and SLINKID are the fixed "faked" node IDs (inodes) for 59a53f50b9Schristos * the '.' (also '..') and the one symlink within the hlfs. 60a53f50b9Schristos * They must always be unique, and should never match what a UID 61a53f50b9Schristos * could be. 62a53f50b9Schristos * They used to be -1 and -2, respectively. 63a53f50b9Schristos * 64a53f50b9Schristos * I used to cast these to (uid_t) but it failed to compile 65a53f50b9Schristos * with /opt/SUNWspro/bin/cc because uid_t is long, while struct fattr's 66a53f50b9Schristos * uid field is u_int. Then it failed to compile on some linux systems 67a53f50b9Schristos * which define uid_t to be unsigned short, so I used the lowest common 68a53f50b9Schristos * size which is unsigned short. 69a53f50b9Schristos */ 70a53f50b9Schristos /* 71a53f50b9Schristos * XXX: this will cause problems to systems with UIDs greater than 72a53f50b9Schristos * MAX_UNSIGNED_SHORT-3. 73a53f50b9Schristos */ 74a53f50b9Schristos #define ROOTID (((unsigned short) ~0) - 1) 75a53f50b9Schristos #define SLINKID (((unsigned short) ~0) - 2) 76a53f50b9Schristos #ifndef INVALIDID 77a53f50b9Schristos /* this is also defined in include/am_utils.h */ 78a53f50b9Schristos # define INVALIDID (((unsigned short) ~0) - 3) 79a53f50b9Schristos #endif /* not INVALIDID */ 80a53f50b9Schristos 81a53f50b9Schristos #define DOTCOOKIE 1 82a53f50b9Schristos #define DOTDOTCOOKIE 2 83a53f50b9Schristos #define SLINKCOOKIE 3 84a53f50b9Schristos 85a53f50b9Schristos #define ALT_SPOOLDIR "/var/hlfs" /* symlink to use if others fail */ 86a53f50b9Schristos #define HOME_SUBDIR ".hlfsdir" /* dirname in user's home dir */ 87a53f50b9Schristos #define DEFAULT_DIRNAME "/hlfs/home" 88a53f50b9Schristos #define DEFAULT_INTERVAL 900 /* secs b/t re-reads of the password maps */ 89a53f50b9Schristos #define DEFAULT_CACHE_INTERVAL 300 /* secs during which assume a link is up */ 90a53f50b9Schristos #define DEFAULT_HLFS_GROUP "hlfs" /* Group name for special hlfs_gid */ 91a53f50b9Schristos 92a53f50b9Schristos #define PROGNAMESZ (MAXHOSTNAMELEN - 5) 93a53f50b9Schristos 94a53f50b9Schristos #ifdef HAVE_SYSLOG 95a53f50b9Schristos # define DEFAULT_LOGFILE "syslog" 96a53f50b9Schristos #else /* not HAVE)_SYSLOG */ 97a53f50b9Schristos # define DEFAULT_LOGFILE 0 98a53f50b9Schristos #endif /* not HAVE)_SYSLOG */ 99a53f50b9Schristos 100a53f50b9Schristos 101a53f50b9Schristos /* 102a53f50b9Schristos * TYPEDEFS: 103a53f50b9Schristos */ 104a53f50b9Schristos typedef struct uid2home_t uid2home_t; 105a53f50b9Schristos typedef struct username2uid_t username2uid_t; 106a53f50b9Schristos 107a53f50b9Schristos 108a53f50b9Schristos /* 109a53f50b9Schristos * STRUCTURES: 110a53f50b9Schristos */ 111a53f50b9Schristos struct uid2home_t { 112a53f50b9Schristos uid_t uid; /* XXX: with or without UID_OFFSET? */ 113a53f50b9Schristos pid_t child; 114a53f50b9Schristos char *home; /* really allocated */ 115a53f50b9Schristos char *uname; /* an xref ptr to username2uid_t->username */ 116a53f50b9Schristos u_long last_access_time; 117a53f50b9Schristos int last_status; /* 0=used $HOME/.hlfsspool; !0=used alt dir */ 118a53f50b9Schristos }; 119a53f50b9Schristos 120a53f50b9Schristos struct username2uid_t { 121a53f50b9Schristos char *username; /* really allocated */ 122a53f50b9Schristos uid_t uid; /* XXX: with or without UID_OFFSET? */ 123a53f50b9Schristos char *home; /* an xref ptr to uid2home_t->home */ 124a53f50b9Schristos }; 125a53f50b9Schristos 126a53f50b9Schristos /* 127a53f50b9Schristos * EXTERNALS: 128a53f50b9Schristos */ 129a53f50b9Schristos extern RETSIGTYPE cleanup(int); 130a53f50b9Schristos extern RETSIGTYPE interlock(int); 131a53f50b9Schristos extern SVCXPRT *nfs_program_2_transp; /* For quick_reply() */ 132a53f50b9Schristos extern SVCXPRT *nfsxprt; 133a53f50b9Schristos extern char *alt_spooldir; 134a53f50b9Schristos extern char *home_subdir; 135a53f50b9Schristos extern char *homedir(int, int); 136a53f50b9Schristos extern char *mailbox(int, char *); 137a53f50b9Schristos extern char *passwdfile; 138a53f50b9Schristos extern char *slinkname; 139a53f50b9Schristos extern gid_t hlfs_gid; 140a53f50b9Schristos extern u_int cache_interval; 141a53f50b9Schristos extern int noverify; 142a53f50b9Schristos extern int serverpid; 143a53f50b9Schristos extern int untab_index(char *username); 144a53f50b9Schristos extern am_nfs_fh *root_fhp; 145a53f50b9Schristos extern am_nfs_fh root; 146a53f50b9Schristos extern nfstime startup; 147a53f50b9Schristos extern uid2home_t *plt_search(u_int); 148a53f50b9Schristos extern username2uid_t *untab; /* user name table */ 149a53f50b9Schristos extern void fatal(char *); 150a53f50b9Schristos extern void plt_init(void); 151a53f50b9Schristos extern void hlfsd_init_filehandles(void); 152a53f50b9Schristos 153a53f50b9Schristos #if defined(DEBUG) || defined(DEBUG_PRINT) 154a53f50b9Schristos extern void plt_dump(uid2home_t *, pid_t); 155a53f50b9Schristos extern void plt_print(int); 156a53f50b9Schristos #endif /* defined(DEBUG) || defined(DEBUG_PRINT) */ 157a53f50b9Schristos 158a53f50b9Schristos #endif /* _HLFSD_HLFS_H */ 159