/usr/share/dirsrv/updates/80upgradednformat.pl is in 389-ds-base 1.3.7.10-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 | use Mozilla::LDAP::Conn;
use Mozilla::LDAP::Utils qw(normalizeDN);
use Mozilla::LDAP::API qw(:constant ldap_url_parse ldap_explode_dn);
use File::Basename;
use File::Copy;
use DSUpdate qw(isOffline);
# Upgrade DN format if needed.
# For each backend instance,
# run upgradednformat with -N (dryrun mode),
# if it returns 0 (Upgrade candidates are found),
# recursively copy the instance dir to the work dir (dnupgrade)
# run upgradednformat w/o -N against the DB in the work dir
# if it went ok, replace the original instance dir with the work dir.
# Note: This script does nothing if the server is up.
sub runinst {
my ($inf, $inst, $dseldif, $conn) = @_;
my @errs;
my $config = "cn=config";
my $config_entry = $conn->search($config, "base", "(cn=*)");
if (!$config_entry) {
return ("error_no_configuration_entry", $!);
}
# Check if the server is up or not
my $rc;
($rc, @errs) = isOffline($inf, $inst, $conn);
if (!$rc) {
return @errs;
}
my $mappingtree = "cn=mapping tree,cn=config";
my $ldbmbase = "cn=ldbm database,cn=plugins,cn=config";
my $backend_entry;
my $mtentry = $conn->search($mappingtree, "onelevel", "(cn=*)", 0, @attr);
if (!$mtentry) {
return ("error_no_mapping_tree_entries", $!);
}
my $db_config_entry =
$conn->search("cn=config,cn=ldbm database,cn=plugins,cn=config",
"base", "(objectclass=*)");
if (!$db_config_entry) {
return ('error_finding_config_entry',
'cn=config,cn=ldbm database,cn=plugins,cn=config',
$conn->getErrorString());
}
# If subtree rename swich is not found in the config file,
# set off to the switch and upgrade dn format using entrydn.
my $switch = $db_config_entry->getValues('nsslapd-subtree-rename-switch');
if ("" eq $switch) {
$db_config_entry->addValue('nsslapd-subtree-rename-switch', "off");
$conn->update($db_config_entry);
}
# If a suffix in the mapping tree is doube-quoted and
# the cn value has only the double-quoted value, e.g.
# dn: cn="dc=example,dc=com",cn=mapping tree,cn=config
# cn: "dc=example,dc=com"
# the following code adds non-quoted value:
# cn: dc=example,dc=com
while ($mtentry) {
my $numvals = $mtentry->size("cn");
my $i;
my $withquotes = -1;
my $noquotes = -1;
for ($i = 0; $i < $numvals; $i++) {
if ($mtentry->{"cn"}[$i] =~ /^".*"$/) {
$withquotes = $i;
} else {
$noquotes = $i;
}
}
if ($withquotes >= 0 && $noquotes == -1) {
# Has only cn: "<suffix>"
# Adding cn: <suffix>
my $stripped = $mtentry->{"cn"}[$withquotes];
$stripped =~ s/^"(.*)"$/$1/;
$mtentry->addValue("cn", $stripped);
$conn->update($mtentry);
}
$mtentry = $conn->nextEntry();
}
my $ldifdir = $config_entry->{"nsslapd-ldifdir"}[0];
my $instancedir = $config_entry->{"nsslapd-instancedir"}[0];
my ($slapd, $serverID) = split(/-/, $instancedir, 2);
my $upgradednformat = "/usr/sbin/upgradednformat -Z $serverID";
my $reindex = "/usr/sbin/db2index -Z $serverID";
# Scan through all of the backends to see if any of them
# contain escape characters in the DNs. If we find any
# escapes, we need to run the conversion tool on that
# backend.
$backend_entry = $conn->search($ldbmbase, "onelevel", "(objectClass=nsBackendInstance)", 0, @attr);
if (!$backend_entry) {
return ("error_no_backend_entries", $!);
}
while ($backend_entry) {
my $backend = $backend_entry->{"cn"}[0];
my $dbinstdir = $backend_entry->{"nsslapd-directory"}[0];
my $workdir = $dbinstdir . "/dnupgrade";
my $dbdir = dirname($dbinstdir);
my $pdbdir = dirname($dbdir);
my $instname = basename($dbinstdir);
my $dn_norm_sp_txt = $ldifdir . "/" . $instname . "_dn_norm_sp.txt";
if ("$dbdir" eq "" || "$instname" eq "") {
push @errs, ["error_invalid_dbinst_dir", $dbinstdir];
return @errs;
}
# clean up db region files, which might contain the old pages
if ( -d $dbdir && -f $dbdir."/__db.001") {
unlink <$dbdir/__db.*>;
}
my $escapes = 0;
my $rc = 0;
my $cmd = 0;
if ((-e "$dbinstdir/id2entry.db") || (-e "$dbinstdir/id2entry.db4")) {
# Check if any DNs contain escape characters with dbscan.
# dryrun mode
# return values: 0 -- need to upgrade dn format
# 1 -- no need to upgrade dn format
# -1 -- error
$cmd = "$upgradednformat -n $backend -a $dbinstdir -N";
$rc = system("$cmd");
if ($rc & 127) {
push @errs, [ 'error_running_command', $cmd, $rc, $! ];
return @errs;
}
$escapes = $rc >> 8;
# $escapes == 0 ==> no need to do dn upgrade
# $escapes == 1 ==> need to do dn upgrade (both dn upgrade and spaces)
# $escapes == 2 ==> need to do dn upgrade (dn upgrade only)
# $escapes == 3 ==> need to do dn upgrade (dn upgrade spaces only)
if ($escapes <= 0) {
# already upgraded or an error occurred.
# check ancestorid to see if it has not-sorted ID list or not.
my $ancestorid = $dbinstdir . "/ancestorid.db4";
if (!(-e "$ancestorid")) {
$ancestorid = $dbinstdir . "/ancestorid.db";
}
if (-e "$ancestorid") {
my $disorder = 0;
open(ANCESTOR, "/usr/bin/dbscan -f $ancestorid -r |");
while (<ANCESTOR>) {
if (!/^=[0-9]*/) {
chomp($_);
my @IDs = split(/ | /, $_);
# print "ID count: $#IDs\n";
my $lasti = $#IDs;
for (my $i = 1; $i < $lasti; $i++) {
if ($IDs[$i] >= $IDs[$i + 1]) {
$disorder = 1;
last;
}
}
# print "Result: $disorder \n";
if ($disorder) {
last;
}
}
}
close(ANCESTOR);
# ancestorid index is in disorder; need to reindex it.
if ($disorder) {
print "The ancestorid index in $backend is in disorder; Reindexing $ancestorid.\n";
$cmd = "$reindex -n $backend -t ancestorid";
$rc = system("$cmd");
if ($rc & 127) {
push @errs, [ 'error_running_command', $cmd, $rc, $! ];
return @errs;
}
}
}
} else {
# need to upgrade dn format
$rc = 0;
if (system("cd $pdbdir; tar cf - db/DBVERSION | (cd $dbinstdir; tar xf -)") ||
system("cd $pdbdir; tar cf - db/$instname/DBVERSION | (cd $dbinstdir; tar xf -)") ||
system("cd $pdbdir; tar cf - db/$instname/*.db* | (cd $dbinstdir; tar xf -)")) {
push @errs, [ "error_cant_backup_db", $backend, $! ];
return @errs;
}
my @stat = stat("$dbdir");
my $mode = $stat[2];
my $uid = $stat[4];
my $gid = $stat[5];
move("$dbinstdir/db", "$workdir");
chmod($mode, $workdir);
chown($uid, $gid, $workdir);
@stat = stat("$dbinstdir");
$mode = $stat[2];
$uid = $stat[4];
$gid = $stat[5];
chmod($mode, "$workdir/$instname");
chown($uid, $gid, "$workdir/$instname");
my $do_dn_norm_sp = 0;
if ((1 == $escapes) || (3 == $escapes)) {
# We are taking care of spaces in DN.
my $sorted = $dn_norm_sp_txt . ".sorted";
$cmd = "sort $dn_norm_sp_txt";
$rc = system("$cmd > $sorted");
if ($rc) {
debug(1, "Error: $cmd failed - output $sorted: $!\n");
push @errs, [ 'error_running_command', $cmd, $rc, $! ];
return @errs;
}
# Create a work file from $sorted.
my $workfile = $sorted . ".work";
# print "$sorted -> $workfile\n";
open(SORTEDFILE, "$sorted");
open(WORKFILE, "> $workfile");
my $prev_dn = "";
my $prev_id = 0;
my $new = 1;
for (my $line = <SORTEDFILE>; $line; $line = <SORTEDFILE>) {
chomp($line);
my ($dn, $id) = split(":", $line, 2);
if ($dn eq $prev_dn) {
if ($new == 1) {
print WORKFILE "$prev_id:$id";
$new = 0;
$do_dn_norm_sp = 1; # go ahead and fix it.
} else {
print WORKFILE " $id";
}
} else {
if (0 == $new) {
print WORKFILE "\n";
$new = 1;
}
}
$prev_dn = $dn;
$prev_id = $id;
}
close(WORKFILE);
close(SORTEDFILE);
unlink <$sorted>;
move("$dn_norm_sp_txt", "$dn_norm_sp_txt.orig");
if ($do_dn_norm_sp) {
move("$workfile", "$dn_norm_sp_txt");
# otherwise, we don't need $dn_norm_sp_txt
}
} else {
unlink <$dn_norm_sp_txt>;
}
if ((1 == $escapes) || (2 == $escapes) || (3 == $escapes)) {
# call conversion tool here and get return status.
$cmd = "$upgradednformat -n $backend -a $workdir/$instname";
$rc = system("$cmd");
if ($rc & 127) {
push @errs, [ 'error_running_command', $cmd, $rc, $! ];
return @errs;
}
$escapes = $rc >> 8;
}
if ((0 == $rc) || (1 == $escapes) || (3 == $escapes)) {
# success
move("$dbinstdir", "$dbinstdir.orig");
move("$dbinstdir.orig/dnupgrade/$instname", "$dbinstdir");
copy("$dbinstdir.orig/dnupgrade/DBVERSION", "$dbdir");
if ((1 == $escapes) || (3 == $escapes)) {
$cmd = "$reindex -n $backend -t entryrdn";
$rc = system("$cmd");
if ($rc & 127) {
push @errs, [ 'error_running_command', $cmd, $rc, $! ];
return @errs;
}
}
my $dn_norm_sp_txt = $ldifdir . "/" . $instname . "_dn_norm_sp.txt";
my $conflict = $ldifdir . "/" . $instname . "_conflict.txt";
system("echo prinary entry ID: duplicated entry IDs > $conflict");
system("cat $dn_norm_sp_txt >> $conflict");
print "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n";
print "Duplicated DN(s) were found and renamed.\n";
print "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n";
print "Renamed entry IDs are listed in $conflict.\n";
} else {
# Conversion failed. Cleanup and bail.
unlink <$dbinstdir/dnupgrade/$backend/*>;
rmdir("$dbinstdir/dnupgrade/$backend");
unlink <$dbinstdir/dnupgrade/*>;
rmdir("$dbinstdir/dnupgrade");
return ("error_cant_convert_db", $backend, $rc);
}
}
}
$backend_entry = $conn->nextEntry();
}
return ();
}
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