4 # cnid_maint: A script to maintain the consistency of CNID databases.
6 # $Id: cnid_maint.in,v 1.13 2003-01-04 21:41:48 jmarcus Exp $
27 $STOP_CMD = '/usr/local/etc/rc.d/netatalk.sh stop';
28 $START_CMD = '/usr/local/etc/rc.d/netatalk.sh start';
30 # This ps command needs to output the following fields in the following order:
31 # USER,PID,PPID,COMMAND
32 # Below is the example of a BSD ps. A SYSV example is:
33 # /bin/ps -eflouid,pid,ppid,comm
34 $PS_CMD = '@PS@ -axouser,pid,ppid,command';
35 $DB_STAT = '@BDB_PATH@bin/db_stat';
36 $DB_RECOVER = '@BDB_PATH@bin/db_recover';
37 $DB_VERIFY = '@BDB_PATH@bin/db_verify';
38 $APPLE_VOLUMES_FILE = '@PKGCONFDIR@/AppleVolumes.default';
44 $LOCK_FILE = tmpdir() . '/cnid_maint.LOCK';
57 getopts('hsvVl', $opts);
78 die "You must be root to run this script.\n";
81 print "Beginning run of CNID DB Maintanence script at "
82 . scalar(localtime) . ".\n\n";
85 error(1, "Lock file $LOCK_FILE exists.");
89 unless (open(LOCK, ">" . $LOCK_FILE)) {
90 error(2, "Unable to create $LOCK_FILE: $!");
95 # Check to see if the AppleVolumes.default file exists. We will use this file
96 # to get a list of database environments to recover. We will ignore users'
97 # home directories since that could be a monumental under taking.
98 if (!-f $APPLE_VOLUMES_FILE) {
99 error(2, "Unable to locate $APPLE_VOLUMES_FILE");
102 # Use ps to get a list of running afpds. We will track all afpd PIDs that are
104 unless (open(PS, $PS_CMD . " | $GREP afpd | $GREP -v grep |")) {
105 error(2, "Unable to open a pipe to ps: $!");
113 my ($user, $pid, $ppid, $command) = split (/\s+/);
114 if (($user eq "root" && $ppid != 1) || ($user ne "root")) {
123 # We have some children. We cannot run recovery.
125 "Clients are still connected. Database recovery will not be run at this time."
132 # Shutdown the running afpds.
134 error(0, "Shutting down afpd process...");
135 error(2, "Failed to shutdown afpd")
136 if system($STOP_CMD . ">/dev/null 2>&1");
139 # Now, we parse AppleVolumes.default to get a list of volumes to run recovery
141 unless (open(VOLS, $APPLE_VOLUMES_FILE)) {
142 error(2, "Unable to open $APPLE_VOLUMES_FILE: $!");
144 flock(VOLS, LOCK_SH);
152 my ($path, @options) = split (/\s+/, $_);
153 next if ($path =~ /^~/);
155 foreach $option (@options) {
157 # We need to check for the dbpath option on each volume. If
158 # that option is present, we should use its path instead of
159 # the actual volume path.
160 if ($option =~ /^dbpath:/) {
171 foreach $path (@paths) {
172 my $dbpath = $path . "/.AppleDB";
174 error(1, "Database environment $dbpath does not exist");
179 "Checking database environment $dbpath for open connections..."
181 unless (open(STAT, $DB_STAT . " -h $dbpath -e |")) {
182 error(1, "Failed to open a pipe to $DB_STAT: $!");
186 # Now, check each DB environment for any open connections
187 # (db_stat calls them as references). If a volume has no
188 # references, we can do recovery on it. Only check this option
189 # if the user wants to play things extra safe.
194 if (/References\.$/) {
202 # Print out two different skip messages. This is just for
204 if ($connections == 1) {
206 "Skipping $dbpath since it has one active connection"
211 if ($connections > 0) {
213 "Skipping $dbpath since it has $connections active connections"
219 # Run the db_recover command on the environment.
220 error(0, "Running db_recover on $dbpath");
221 if (system($DB_RECOVER . " -h $dbpath >/dev/null 2>&1")) {
222 error(1, "Failed to run db_recover on $dbpath");
227 error(0, "Verifying $dbpath/cnid.db");
228 if (system($DB_VERIFY . " -q -h $dbpath cnid.db")) {
229 error(1, "Verification of $dbpath/cnid.db failed");
233 error(0, "Verifying $dbpath/devino.db");
234 if (system($DB_VERIFY . " -q -h $dbpath devino.db")) {
235 error(1, "Verification of $dbpath/devino.db failed");
239 error(0, "Verifying $dbpath/didname.db");
240 if (system($DB_VERIFY . " -q -h $dbpath didname.db")) {
241 error(1, "Verification of $dbpath/didname.db failed");
244 if (-f "$dbpath/mangle.db") {
245 error(0, "Verifying $dbpath/mangle.db");
246 if (system($DB_VERIFY . " -q -h $dbpath mangle.db")) {
248 "Verification of $dbpath/mangle.db failed"
257 # Remove the log files if told to do so.
258 unless (opendir(DIR, $dbpath)) {
259 error(1, "Failed to open $dbpath for browsing: $!");
264 while (defined($file = readdir(DIR))) {
265 if ($file =~ /^log\.\d+$/) {
266 error(0, "Removing $dbpath/$file");
267 unless (unlink($dbpath . "/" . $file)) {
269 "Failed to remove $dbpath/$file: $!"
286 foreach ($ENV{TMPDIR}, "/tmp") {
287 next unless defined && -d && -w _;
291 $tmpdir = '' unless defined $tmpdir;
296 my ($code, $msg) = @_;
304 print $err_types->{$code} . ": " . $msg . "\n";
306 end() if ($code == 2);
310 if ($START_NETATALK) {
311 error(0, "Restarting Netatalk");
312 if (system($START_CMD . " >/dev/null 2>&1")) {
313 print "ERROR: Failed to restart Netatalk\n";
320 print "\nRun of CNID DB Maintenance script ended at "
321 . scalar(localtime) . ".\n";
326 print "$0 version $VERSION\n";
330 print "usage: $0 [-hlsvV]\n";
331 print "\t-h view this message\n";
332 print "\t-l remove transaction logs after running recovery\n";
334 "\t-s be extra safe in verifying there are no open DB connections\n";
335 print "\t-v print version and exit\n";
337 "\t-V run a verification on all database files after recovery\n";