3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1996 Regents of the University of Michigan.
10 * Redistribution and use in source and binary forms are permitted
11 * provided that this notice is preserved and that due credit is given
12 * to the University of Michigan at Ann Arbor. The name of the University
13 * may not be used to endorse or promote products derived from this
14 * software without specific prior written permission. This software
15 * is provided ``as is'' without express or implied warranty.
20 * sanity.c - perform sanity checks on the environment at startup time,
21 * and report any errors before we disassociate from the controlling tty,
22 * start up our threads, and do other stuff which makes it hard to give
23 * feedback to the users.
30 #include <ac/stdlib.h>
31 #include <ac/unistd.h>
32 #include <ac/string.h>
38 #define FC_DIRUNREAD 2
39 #define FC_DIRUNWRITE 4
41 #define FC_FILEUNREAD 16
42 #define FC_FILEUNWRITE 32
46 * Forward declarations
48 static unsigned int filecheck LDAP_P(( char * ));
53 * Take a look around to catch any fatal errors. For example, make sure the
54 * destination directory for our working files exists, check that all
55 * pathnames make sense, and so on. Returns 0 is everything's ok,
56 # -1 if there's something wrong which will keep us from functioning
59 * We do all these checks at startup so we can print a reasonable error
60 * message on stderr before we disassociate from the controlling tty. This
61 * keeps some fatal error messages from "disappearing" into syslog.
71 * Are there any replicas listed in the slapd config file?
73 if ( sglob->replicas == NULL ) {
74 fprintf( stderr, "No replicas in slapd.conf file \"%s\"!\n",
75 sglob->slapd_configfile );
80 * Make sure the directory housing the slapd replogfile exists, and
81 * that the slapd replogfile is readable, if it exists.
83 if ( sglob->slapd_replogfile == NULL ) {
84 fprintf( stderr, "Fatal error: no \"replogfile\" "
85 "slapd.conf directive given\n" );
88 rc = filecheck( sglob->slapd_replogfile );
89 if ( rc & FC_DIRBAD ) {
90 fprintf( stderr, "Error: %s: directory specified in "
91 "\"replogfile\" slapd.conf directive does not exist\n",
92 sglob->slapd_replogfile );
94 } else if ( rc & FC_DIRUNREAD ) {
95 fprintf( stderr, "Error: %s: directory specified in "
96 "\"replogfile\" slapd.conf directive is not readable\n",
97 sglob->slapd_replogfile );
99 } else if (!( rc & FC_FILEBAD) && ( rc & FC_FILEUNREAD )) {
100 fprintf( stderr, "Error: %s: file specified in "
101 "\"replogfile\" slapd.conf directive is not readable\n",
102 sglob->slapd_replogfile );
108 * Make sure the directory for the slurpd replogfile is there, and
109 * that the slurpd replogfile is readable and writable, if it exists.
111 if ( sglob->slurpd_replogfile == NULL ) {
112 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
115 rc = filecheck( sglob->slurpd_replogfile );
116 if ( rc & FC_DIRBAD ) {
117 fprintf( stderr, "Error: %s: slurpd \"replogfile\" "
118 "directory does not exist\n",
119 sglob->slurpd_replogfile );
121 } else if ( rc & FC_DIRUNREAD ) {
122 fprintf( stderr, "Error: %s: slurpd \"replogfile\" "
123 "directory not readable\n",
124 sglob->slurpd_replogfile );
126 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
127 fprintf( stderr, "Error: %s: slurpd \"replogfile\" not readable\n",
128 sglob->slurpd_replogfile );
130 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
131 fprintf( stderr, "Error: %s: slurpd \"replogfile\" not writeable\n",
132 sglob->slurpd_replogfile );
138 * Make sure that the directory for the slurpd status file is there, and
139 * that the slurpd status file is writable, if it exists.
141 rc = filecheck( sglob->slurpd_status_file );
142 if ( rc & FC_DIRBAD ) {
143 fprintf( stderr, "Error: %s: status directory does not exist\n",
144 sglob->slurpd_status_file );
146 } else if ( rc & FC_DIRUNREAD ) {
147 fprintf( stderr, "Error: %s: status directory not readable\n",
148 sglob->slurpd_status_file );
150 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
151 fprintf( stderr, "Error: %s: status file not readable\n",
152 sglob->slurpd_status_file );
154 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
155 fprintf( stderr, "Error: %s: status file not writeable\n",
156 sglob->slurpd_status_file );
160 return ( err == 0 ? 0 : -1 );
166 * Check for the existence of the file and directory leading to the file.
167 * Returns a bitmask which is the logical OR of the following flags:
169 * FC_DIRBAD: directory containing "f" does not exist.
170 * FC_DIRUNREAD: directory containing "f" exists but is not readable.
171 * FC_DIRUNWRITE: directory containing "f" exists but is not writable.
172 * FC_FILEBAD: "f" does not exist.
173 * FC_FILEUNREAD: "f" exists but is unreadable.
174 * FC_FILEUNWRITE: "f" exists but is unwritable.
176 * The calling routine is responsible for determining which, if any, of
177 * the returned flags is a problem for a particular file.
184 char dir[ MAXPATHLEN ];
186 unsigned int ret = 0;
188 snprintf( dir, sizeof dir, "%s", f );
189 p = strrchr( dir, LDAP_DIRSEP[0] );
193 if ( access( dir, F_OK ) < 0 ) {
196 if ( access( dir, R_OK ) < 0 ) {
199 if ( access( dir, W_OK ) < 0 ) {
200 ret |= FC_DIRUNWRITE;
202 if ( access( f, F_OK ) < 0 ) {
205 if ( access( f, R_OK ) < 0 ) {
206 ret |= FC_FILEUNREAD;
208 if ( access( f, W_OK ) < 0 ) {
209 ret |= FC_FILEUNWRITE;