2 * Copyright (c) 1996 Regents of the University of Michigan.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that this notice is preserved and that due credit is given
7 * to the University of Michigan at Ann Arbor. The name of the University
8 * may not be used to endorse or promote products derived from this
9 * software without specific prior written permission. This software
10 * is provided ``as is'' without express or implied warranty.
15 * sanity.c - perform sanity checks on the environment at startup time,
16 * and report any errors before we disassociate from the controlling tty,
17 * start up our threads, and do other stuff which makes it hard to give
18 * feedback to the users.
30 #define FC_DIRUNREAD 2
31 #define FC_DIRUNWRITE 4
33 #define FC_FILEUNREAD 16
34 #define FC_FILEUNWRITE 32
38 * Forward declarations
41 static unsigned int filecheck( char * );
42 #else /* NEEDPROTOS */
43 static unsigned int filecheck();
44 #endif /* NEEDPROTOS */
49 * Take a look around to catch any fatal errors. For example, make sure the
50 * destination directory for our working files exists, check that all
51 * pathnames make sense, and so on. Returns 0 is everything's ok,
52 # -1 if there's something wrong which will keep us from functioning
55 * We do all these checks at startup so we can print a reasonable error
56 * message on stderr before we disassociate from the controlling tty. This
57 * keeps some fatal error messages from "disappearing" into syslog.
67 * Are there any replicas listed in the slapd config file?
69 if ( sglob->replicas == NULL ) {
70 fprintf( stderr, "No replicas in slapd config file \"%s\"!\n",
71 sglob->slapd_configfile );
76 * Make sure the directory housing the slapd replogfile exists, and
77 * that the slapd replogfile is readable, if it exists.
79 if ( sglob->slapd_replogfile == NULL ) {
80 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
83 rc = filecheck( sglob->slapd_replogfile );
84 if ( rc & FC_DIRBAD ) {
85 fprintf( stderr, "Error: %s: directory does not exist\n",
86 sglob->slapd_replogfile );
88 } else if ( rc & FC_DIRUNREAD ) {
89 fprintf( stderr, "Error: %s: directory not readable\n",
90 sglob->slapd_replogfile );
92 } else if (!( rc & FC_FILEBAD) && ( rc & FC_FILEUNREAD )) {
93 fprintf( stderr, "Error: %s: file not readable\n",
94 sglob->slapd_replogfile );
100 * Make sure the directory for the slurpd replogfile is there, and
101 * that the slurpd replogfile is readable and writable, if it exists.
103 if ( sglob->slurpd_replogfile == NULL ) {
104 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
107 rc = filecheck( sglob->slurpd_replogfile );
108 if ( rc & FC_DIRBAD ) {
109 fprintf( stderr, "Error: %s: directory does not exist\n",
110 sglob->slurpd_replogfile );
112 } else if ( rc & FC_DIRUNREAD ) {
113 fprintf( stderr, "Error: %s: directory not readable\n",
114 sglob->slurpd_replogfile );
116 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
117 fprintf( stderr, "Error: %s: file not readable\n",
118 sglob->slurpd_replogfile );
120 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
121 fprintf( stderr, "Error: %s: file not writeable\n",
122 sglob->slurpd_replogfile );
128 * Make sure that the directory for the slurpd status file is there, and
129 * that the slurpd status file is writable, if it exists.
131 rc = filecheck( sglob->slurpd_status_file );
132 if ( rc & FC_DIRBAD ) {
133 fprintf( stderr, "Error: %s: directory does not exist\n",
134 sglob->slurpd_status_file );
136 } else if ( rc & FC_DIRUNREAD ) {
137 fprintf( stderr, "Error: %s: directory not readable\n",
138 sglob->slurpd_status_file );
140 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
141 fprintf( stderr, "Error: %s: file not readable\n",
142 sglob->slurpd_status_file );
144 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
145 fprintf( stderr, "Error: %s: file not writeable\n",
146 sglob->slurpd_status_file );
150 return ( err == 0 ? 0 : -1 );
156 * Check for the existence of the file and directory leading to the file.
157 * Returns a bitmask which is the logical OR of the following flags:
159 * FC_DIRBAD: directory containing "f" does not exist.
160 * FC_DIRUNREAD: directory containing "f" exists but is not readable.
161 * FC_DIRUNWRITE: directory containing "f" exists but is not writable.
162 * FC_FILEBAD: "f" does not exist.
163 * FC_FILEUNREAD: "f" exists but is unreadable.
164 * FC_FILEUNWRITE: "f" exists but is unwritable.
166 * The calling routine is responsible for determining which, if any, of
167 * the returned flags is a problem for a particular file.
174 char dir[ MAXPATHLEN ];
176 unsigned int ret = 0;
178 strcpy( dir, sglob->slapd_replogfile );
179 p = strrchr( dir, '/' );
183 if ( access( dir, F_OK ) < 0 ) {
186 if ( access( dir, R_OK ) < 0 ) {
189 if ( access( dir, W_OK ) < 0 ) {
190 ret |= FC_DIRUNWRITE;
192 if ( access( f, F_OK ) < 0 ) {
195 if ( access( f, R_OK ) < 0 ) {
196 ret |= FC_FILEUNREAD;
198 if ( access( f, W_OK ) < 0 ) {
199 ret |= FC_FILEUNWRITE;