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.
32 #define FC_DIRUNREAD 2
33 #define FC_DIRUNWRITE 4
35 #define FC_FILEUNREAD 16
36 #define FC_FILEUNWRITE 32
40 * Forward declarations
43 static unsigned int filecheck( char * );
44 #else /* NEEDPROTOS */
45 static unsigned int filecheck();
46 #endif /* NEEDPROTOS */
51 * Take a look around to catch any fatal errors. For example, make sure the
52 * destination directory for our working files exists, check that all
53 * pathnames make sense, and so on. Returns 0 is everything's ok,
54 # -1 if there's something wrong which will keep us from functioning
57 * We do all these checks at startup so we can print a reasonable error
58 * message on stderr before we disassociate from the controlling tty. This
59 * keeps some fatal error messages from "disappearing" into syslog.
69 * Are there any replicas listed in the slapd config file?
71 if ( sglob->replicas == NULL ) {
72 fprintf( stderr, "No replicas in slapd config file \"%s\"!\n",
73 sglob->slapd_configfile );
78 * Make sure the directory housing the slapd replogfile exists, and
79 * that the slapd replogfile is readable, if it exists.
81 if ( sglob->slapd_replogfile == NULL ) {
82 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
85 rc = filecheck( sglob->slapd_replogfile );
86 if ( rc & FC_DIRBAD ) {
87 fprintf( stderr, "Error: %s: directory does not exist\n",
88 sglob->slapd_replogfile );
90 } else if ( rc & FC_DIRUNREAD ) {
91 fprintf( stderr, "Error: %s: directory not readable\n",
92 sglob->slapd_replogfile );
94 } else if (!( rc & FC_FILEBAD) && ( rc & FC_FILEUNREAD )) {
95 fprintf( stderr, "Error: %s: file not readable\n",
96 sglob->slapd_replogfile );
102 * Make sure the directory for the slurpd replogfile is there, and
103 * that the slurpd replogfile is readable and writable, if it exists.
105 if ( sglob->slurpd_replogfile == NULL ) {
106 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
109 rc = filecheck( sglob->slurpd_replogfile );
110 if ( rc & FC_DIRBAD ) {
111 fprintf( stderr, "Error: %s: directory does not exist\n",
112 sglob->slurpd_replogfile );
114 } else if ( rc & FC_DIRUNREAD ) {
115 fprintf( stderr, "Error: %s: directory not readable\n",
116 sglob->slurpd_replogfile );
118 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
119 fprintf( stderr, "Error: %s: file not readable\n",
120 sglob->slurpd_replogfile );
122 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
123 fprintf( stderr, "Error: %s: file not writeable\n",
124 sglob->slurpd_replogfile );
130 * Make sure that the directory for the slurpd status file is there, and
131 * that the slurpd status file is writable, if it exists.
133 rc = filecheck( sglob->slurpd_status_file );
134 if ( rc & FC_DIRBAD ) {
135 fprintf( stderr, "Error: %s: directory does not exist\n",
136 sglob->slurpd_status_file );
138 } else if ( rc & FC_DIRUNREAD ) {
139 fprintf( stderr, "Error: %s: directory not readable\n",
140 sglob->slurpd_status_file );
142 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
143 fprintf( stderr, "Error: %s: file not readable\n",
144 sglob->slurpd_status_file );
146 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
147 fprintf( stderr, "Error: %s: file not writeable\n",
148 sglob->slurpd_status_file );
152 return ( err == 0 ? 0 : -1 );
158 * Check for the existence of the file and directory leading to the file.
159 * Returns a bitmask which is the logical OR of the following flags:
161 * FC_DIRBAD: directory containing "f" does not exist.
162 * FC_DIRUNREAD: directory containing "f" exists but is not readable.
163 * FC_DIRUNWRITE: directory containing "f" exists but is not writable.
164 * FC_FILEBAD: "f" does not exist.
165 * FC_FILEUNREAD: "f" exists but is unreadable.
166 * FC_FILEUNWRITE: "f" exists but is unwritable.
168 * The calling routine is responsible for determining which, if any, of
169 * the returned flags is a problem for a particular file.
176 char dir[ MAXPATHLEN ];
178 unsigned int ret = 0;
180 strcpy( dir, sglob->slapd_replogfile );
181 p = strrchr( dir, '/' );
185 if ( access( dir, F_OK ) < 0 ) {
188 if ( access( dir, R_OK ) < 0 ) {
191 if ( access( dir, W_OK ) < 0 ) {
192 ret |= FC_DIRUNWRITE;
194 if ( access( f, F_OK ) < 0 ) {
197 if ( access( f, R_OK ) < 0 ) {
198 ret |= FC_FILEUNREAD;
200 if ( access( f, W_OK ) < 0 ) {
201 ret |= FC_FILEUNWRITE;