3 * Copyright (c) 1996 Regents of the University of Michigan.
6 * Redistribution and use in source and binary forms are permitted
7 * provided that this notice is preserved and that due credit is given
8 * to the University of Michigan at Ann Arbor. The name of the University
9 * may not be used to endorse or promote products derived from this
10 * software without specific prior written permission. This software
11 * is provided ``as is'' without express or implied warranty.
16 * sanity.c - perform sanity checks on the environment at startup time,
17 * and report any errors before we disassociate from the controlling tty,
18 * start up our threads, and do other stuff which makes it hard to give
19 * feedback to the users.
26 #include <ac/unistd.h>
27 #include <ac/string.h>
33 #define FC_DIRUNREAD 2
34 #define FC_DIRUNWRITE 4
36 #define FC_FILEUNREAD 16
37 #define FC_FILEUNWRITE 32
41 * Forward declarations
43 static unsigned int filecheck LDAP_P(( char * ));
48 * Take a look around to catch any fatal errors. For example, make sure the
49 * destination directory for our working files exists, check that all
50 * pathnames make sense, and so on. Returns 0 is everything's ok,
51 # -1 if there's something wrong which will keep us from functioning
54 * We do all these checks at startup so we can print a reasonable error
55 * message on stderr before we disassociate from the controlling tty. This
56 * keeps some fatal error messages from "disappearing" into syslog.
66 * Are there any replicas listed in the slapd config file?
68 if ( sglob->replicas == NULL ) {
69 fprintf( stderr, "No replicas in slapd config file \"%s\"!\n",
70 sglob->slapd_configfile );
75 * Make sure the directory housing the slapd replogfile exists, and
76 * that the slapd replogfile is readable, if it exists.
78 if ( sglob->slapd_replogfile == NULL ) {
79 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
82 rc = filecheck( sglob->slapd_replogfile );
83 if ( rc & FC_DIRBAD ) {
84 fprintf( stderr, "Error: %s: directory does not exist\n",
85 sglob->slapd_replogfile );
87 } else if ( rc & FC_DIRUNREAD ) {
88 fprintf( stderr, "Error: %s: directory not readable\n",
89 sglob->slapd_replogfile );
91 } else if (!( rc & FC_FILEBAD) && ( rc & FC_FILEUNREAD )) {
92 fprintf( stderr, "Error: %s: file not readable\n",
93 sglob->slapd_replogfile );
99 * Make sure the directory for the slurpd replogfile is there, and
100 * that the slurpd replogfile is readable and writable, if it exists.
102 if ( sglob->slurpd_replogfile == NULL ) {
103 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
106 rc = filecheck( sglob->slurpd_replogfile );
107 if ( rc & FC_DIRBAD ) {
108 fprintf( stderr, "Error: %s: directory does not exist\n",
109 sglob->slurpd_replogfile );
111 } else if ( rc & FC_DIRUNREAD ) {
112 fprintf( stderr, "Error: %s: directory not readable\n",
113 sglob->slurpd_replogfile );
115 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
116 fprintf( stderr, "Error: %s: file not readable\n",
117 sglob->slurpd_replogfile );
119 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
120 fprintf( stderr, "Error: %s: file not writeable\n",
121 sglob->slurpd_replogfile );
127 * Make sure that the directory for the slurpd status file is there, and
128 * that the slurpd status file is writable, if it exists.
130 rc = filecheck( sglob->slurpd_status_file );
131 if ( rc & FC_DIRBAD ) {
132 fprintf( stderr, "Error: %s: directory does not exist\n",
133 sglob->slurpd_status_file );
135 } else if ( rc & FC_DIRUNREAD ) {
136 fprintf( stderr, "Error: %s: directory not readable\n",
137 sglob->slurpd_status_file );
139 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
140 fprintf( stderr, "Error: %s: file not readable\n",
141 sglob->slurpd_status_file );
143 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
144 fprintf( stderr, "Error: %s: file not writeable\n",
145 sglob->slurpd_status_file );
149 return ( err == 0 ? 0 : -1 );
155 * Check for the existence of the file and directory leading to the file.
156 * Returns a bitmask which is the logical OR of the following flags:
158 * FC_DIRBAD: directory containing "f" does not exist.
159 * FC_DIRUNREAD: directory containing "f" exists but is not readable.
160 * FC_DIRUNWRITE: directory containing "f" exists but is not writable.
161 * FC_FILEBAD: "f" does not exist.
162 * FC_FILEUNREAD: "f" exists but is unreadable.
163 * FC_FILEUNWRITE: "f" exists but is unwritable.
165 * The calling routine is responsible for determining which, if any, of
166 * the returned flags is a problem for a particular file.
173 char dir[ MAXPATHLEN ];
175 unsigned int ret = 0;
178 p = strrchr( dir, '/' );
182 if ( access( dir, F_OK ) < 0 ) {
185 if ( access( dir, R_OK ) < 0 ) {
188 if ( access( dir, W_OK ) < 0 ) {
189 ret |= FC_DIRUNWRITE;
191 if ( access( f, F_OK ) < 0 ) {
194 if ( access( f, R_OK ) < 0 ) {
195 ret |= FC_FILEUNREAD;
197 if ( access( f, W_OK ) < 0 ) {
198 ret |= FC_FILEUNWRITE;