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.
25 #include <ac/unistd.h>
26 #include <ac/string.h>
32 #define FC_DIRUNREAD 2
33 #define FC_DIRUNWRITE 4
35 #define FC_FILEUNREAD 16
36 #define FC_FILEUNWRITE 32
40 * Forward declarations
42 static unsigned int filecheck LDAP_P(( char * ));
47 * Take a look around to catch any fatal errors. For example, make sure the
48 * destination directory for our working files exists, check that all
49 * pathnames make sense, and so on. Returns 0 is everything's ok,
50 # -1 if there's something wrong which will keep us from functioning
53 * We do all these checks at startup so we can print a reasonable error
54 * message on stderr before we disassociate from the controlling tty. This
55 * keeps some fatal error messages from "disappearing" into syslog.
65 * Are there any replicas listed in the slapd config file?
67 if ( sglob->replicas == NULL ) {
68 fprintf( stderr, "No replicas in slapd config file \"%s\"!\n",
69 sglob->slapd_configfile );
74 * Make sure the directory housing the slapd replogfile exists, and
75 * that the slapd replogfile is readable, if it exists.
77 if ( sglob->slapd_replogfile == NULL ) {
78 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
81 rc = filecheck( sglob->slapd_replogfile );
82 if ( rc & FC_DIRBAD ) {
83 fprintf( stderr, "Error: %s: directory does not exist\n",
84 sglob->slapd_replogfile );
86 } else if ( rc & FC_DIRUNREAD ) {
87 fprintf( stderr, "Error: %s: directory not readable\n",
88 sglob->slapd_replogfile );
90 } else if (!( rc & FC_FILEBAD) && ( rc & FC_FILEUNREAD )) {
91 fprintf( stderr, "Error: %s: file not readable\n",
92 sglob->slapd_replogfile );
98 * Make sure the directory for the slurpd replogfile is there, and
99 * that the slurpd replogfile is readable and writable, if it exists.
101 if ( sglob->slurpd_replogfile == NULL ) {
102 fprintf( stderr, "Fatal error: no \"replogfile\" directive given\n" );
105 rc = filecheck( sglob->slurpd_replogfile );
106 if ( rc & FC_DIRBAD ) {
107 fprintf( stderr, "Error: %s: directory does not exist\n",
108 sglob->slurpd_replogfile );
110 } else if ( rc & FC_DIRUNREAD ) {
111 fprintf( stderr, "Error: %s: directory not readable\n",
112 sglob->slurpd_replogfile );
114 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
115 fprintf( stderr, "Error: %s: file not readable\n",
116 sglob->slurpd_replogfile );
118 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
119 fprintf( stderr, "Error: %s: file not writeable\n",
120 sglob->slurpd_replogfile );
126 * Make sure that the directory for the slurpd status file is there, and
127 * that the slurpd status file is writable, if it exists.
129 rc = filecheck( sglob->slurpd_status_file );
130 if ( rc & FC_DIRBAD ) {
131 fprintf( stderr, "Error: %s: directory does not exist\n",
132 sglob->slurpd_status_file );
134 } else if ( rc & FC_DIRUNREAD ) {
135 fprintf( stderr, "Error: %s: directory not readable\n",
136 sglob->slurpd_status_file );
138 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNREAD )) {
139 fprintf( stderr, "Error: %s: file not readable\n",
140 sglob->slurpd_status_file );
142 } else if ( !( rc & FC_FILEBAD ) && ( rc & FC_FILEUNWRITE )) {
143 fprintf( stderr, "Error: %s: file not writeable\n",
144 sglob->slurpd_status_file );
148 return ( err == 0 ? 0 : -1 );
154 * Check for the existence of the file and directory leading to the file.
155 * Returns a bitmask which is the logical OR of the following flags:
157 * FC_DIRBAD: directory containing "f" does not exist.
158 * FC_DIRUNREAD: directory containing "f" exists but is not readable.
159 * FC_DIRUNWRITE: directory containing "f" exists but is not writable.
160 * FC_FILEBAD: "f" does not exist.
161 * FC_FILEUNREAD: "f" exists but is unreadable.
162 * FC_FILEUNWRITE: "f" exists but is unwritable.
164 * The calling routine is responsible for determining which, if any, of
165 * the returned flags is a problem for a particular file.
172 char dir[ MAXPATHLEN ];
174 unsigned int ret = 0;
176 strcpy( dir, sglob->slapd_replogfile );
177 p = strrchr( dir, '/' );
181 if ( access( dir, F_OK ) < 0 ) {
184 if ( access( dir, R_OK ) < 0 ) {
187 if ( access( dir, W_OK ) < 0 ) {
188 ret |= FC_DIRUNWRITE;
190 if ( access( f, F_OK ) < 0 ) {
193 if ( access( f, R_OK ) < 0 ) {
194 ret |= FC_FILEUNREAD;
196 if ( access( f, W_OK ) < 0 ) {
197 ret |= FC_FILEUNWRITE;