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389 lines
11 KiB
Perl
Executable File
389 lines
11 KiB
Perl
Executable File
# openbsd-lib.pl
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# Quota functions for openbsd
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# quotas_init()
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sub quotas_init
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{
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return undef;
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}
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# quotas_supported()
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# Returns 1 for user quotas, 2 for group quotas or 3 for both
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sub quotas_supported
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{
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return 3;
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}
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# free_space(filesystem)
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# Returns an array containing btotal, bfree, ftotal, ffree
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sub free_space
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{
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local(@out, @rv);
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my $oldsize = $ENV{'BLOCKSIZE'};
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$ENV{'BLOCKSIZE'} = 512;
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my $out = &backquote_command("df -i ".quotemeta($_[0]));
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$ENV{'BLOCKSIZE'} = $oldsize;
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if ($out =~ /Mounted on\n\S+\s+(\d+)\s+\d+\s+(\d+)\s+\S+\s+(\d+)\s+(\d+)/) {
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return ($1, $2, $3+$4, $4);
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}
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return ( );
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}
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# quota_can(&mnttab, &fstab)
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# Can this filesystem type support quotas?
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# 0 = No quota support (or not turned on in /etc/fstab)
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# 1 = User quotas only
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# 2 = Group quotas only
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# 3 = User and group quotas
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sub quota_can
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{
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return ($_[1]->[3] =~ /userquota/ ? 1 : 0) +
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($_[1]->[3] =~ /groupquota/ ? 2 : 0);
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}
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# quota_now(&mnttab, &fstab)
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# Are quotas currently active?
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# 0 = Not active
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# 1 = User quotas active
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# 2 = Group quotas active
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# 3 = Both active
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sub quota_now
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{
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return $_[0]->[3] =~ /quota/ ? 3 : 0;
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}
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# quotaon(filesystem, mode)
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# Activate quotas and create quota files for some filesystem. The mode can
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# be 1 for user only, 2 for group only or 3 for user and group
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sub quotaon
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{
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return if (&is_readonly_mode());
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local($out, $qf, @qfile, $flags);
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if ($_[1]%2 == 1) {
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# turn on user quotas
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$qf = "$_[0]/quota.user";
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if (!(-r $qf)) {
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&open_tempfile(QUOTAFILE, ">$qf", 0, 1);
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&close_tempfile(QUOTAFILE);
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&set_ownership_permissions(undef, undef, 0600, $qf);
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&system_logged("$config{'quotacheck_command'} $_[0]");
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}
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$out = &backquote_logged("$config{'user_quotaon_command'} $_[0] 2>&1");
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if ($?) { return $out; }
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}
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if ($_[1] > 1) {
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# turn on group quotas
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$qf = "$_[0]/quota.group";
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if (!(-r $qf)) {
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&open_tempfile(QUOTAFILE, ">$qf", 0, 1);
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&close_tempfile(QUOTAFILE);
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&set_ownership_permissions(undef, undef, 0600, $qf);
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&system_logged("$config{'quotacheck_command'} $_[0]");
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}
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$out = &backquote_logged("$config{'group_quotaon_command'} $_[0] 2>&1");
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if ($?) { return $out; }
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}
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return undef;
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}
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# quotaoff(filesystem, mode)
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# Turn off quotas for some filesystem
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sub quotaoff
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{
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return if (&is_readonly_mode());
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local($out);
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if ($_[1]%2 == 1) {
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$out = &backquote_logged("$config{'user_quotaoff_command'} $_[0] 2>&1");
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if ($?) { return $out; }
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}
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if ($_[1] > 1) {
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$out = &backquote_logged("$config{'group_quotaoff_command'} $_[0] 2>&1");
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if ($?) { return $out; }
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}
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return undef;
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}
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# user_filesystems(user)
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# Fills the array %filesys with details of all filesystem some user has
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# quotas on
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sub user_filesystems
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{
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local($n, $_, %mtab);
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open(QUOTA, "$config{'user_quota_command'} ".quotemeta($_[0])." |");
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$n=0; while(<QUOTA>) {
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chop;
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if (/^(Disk|\s+Filesystem)/) { next; }
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if (/^(\S+)$/) {
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# Bogus wrapped line
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$filesys{$n,'filesys'} = $1;
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local $nl = <QUOTA>;
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$nl =~ /^\s+(\S+)\s+(\S+)\s+(\S+)(.{8}\s+)(\S+)\s+(\S+)\s+(\S+)(.*)/ ||
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$nl =~ /^.{15}(.{8}).(.{7})(.{8}).{8}(.{8}).(.{7})(.{8})/;
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$filesys{$n,'ublocks'} = int($1);
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$filesys{$n,'sblocks'} = int($2);
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$filesys{$n,'hblocks'} = int($3);
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$filesys{$n,'ufiles'} = int($4);
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$filesys{$n,'sfiles'} = int($5);
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$filesys{$n,'hfiles'} = int($6);
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$n++;
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}
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elsif (/^\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S+)(.{8}\s+)(\S+)\s+(\S+)\s+(\S+)(.*)/ ||
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/^(.{15})(.{8}).(.{7})(.{8}).{8}(.{8}).(.{7})(.{8})/) {
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$filesys{$n,'ublocks'} = int($2);
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$filesys{$n,'sblocks'} = int($3);
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$filesys{$n,'hblocks'} = int($4);
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$filesys{$n,'ufiles'} = int($5);
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$filesys{$n,'sfiles'} = int($6);
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$filesys{$n,'hfiles'} = int($7);
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$filesys{$n,'filesys'} = $1;
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$filesys{$n,'filesys'} =~ s/^\s+//g;
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$n++;
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}
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}
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close(QUOTA);
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return $n;
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}
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# group_filesystems(group)
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# Fills the array %filesys with details of all filesystem some group has
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# quotas on
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sub group_filesystems
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{
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local($n, $_, %mtab);
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open(QUOTA, "$config{'group_quota_command'} ".quotemeta($_[0])." |");
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$n=0; while(<QUOTA>) {
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chop;
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if (/^(Disk|\s+Filesystem)/) { next; }
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if (/^(\S+)$/) {
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# Bogus wrapped line
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$filesys{$n,'filesys'} = $1;
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local $nl = <QUOTA>;
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$nl =~ /^\s+(\S+)\s+(\S+)\s+(\S+)(.{8}\s+)(\S+)\s+(\S+)\s+(\S+)(.*)/ ||
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$nl =~ /^.{15}(.{8}).(.{7})(.{8}).{8}(.{8}).(.{7})(.{8})/;
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$filesys{$n,'ublocks'} = int($1);
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$filesys{$n,'sblocks'} = int($2);
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$filesys{$n,'hblocks'} = int($3);
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$filesys{$n,'ufiles'} = int($4);
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$filesys{$n,'sfiles'} = int($5);
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$filesys{$n,'hfiles'} = int($6);
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$n++;
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}
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elsif (/^\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S+)(.{8}\s+)(\S+)\s+(\S+)\s+(\S+)(.*)/ ||
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/^(.{15})(.{8}).(.{7})(.{8}).{8}(.{8}).(.{7})(.{8})/) {
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$filesys{$n,'ublocks'} = int($2);
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$filesys{$n,'sblocks'} = int($3);
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$filesys{$n,'hblocks'} = int($4);
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$filesys{$n,'ufiles'} = int($5);
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$filesys{$n,'sfiles'} = int($6);
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$filesys{$n,'hfiles'} = int($7);
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$filesys{$n,'filesys'} = $1;
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$filesys{$n,'filesys'} =~ s/^\s+//g;
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$n++;
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}
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}
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close(QUOTA);
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return $n;
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}
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# filesystem_users(filesystem)
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# Fills the array %user with information about all users with quotas
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# on this filesystem. This may not be all users on the system..
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sub filesystem_users
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{
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local($rep, @rep, $n, $what);
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$rep = `$config{'user_repquota_command'} $_[0] 2>&1`;
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if ($?) { return -1; }
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@rep = split(/\n/, $rep);
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@rep = grep { !/^root\s/ } @rep[3..$#rep];
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for($n=0; $n<@rep; $n++) {
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if ($rep[$n] =~ /(\S+)\s*[\-\+]{2}\s+(\d+)\s+(\d+)\s+(\d+)\s(.{0,15})\s(\d+)\s+(\d+)\s+(\d+)(.*)/ || $rep[$n] =~ /(\S+)\s+..(.{8})(.{8})(.{8})(.{7})(.{8})(.{8})(.{8})(.*)/) {
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$user{$n,'user'} = $1;
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$user{$n,'ublocks'} = int($2);
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$user{$n,'sblocks'} = int($3);
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$user{$n,'hblocks'} = int($4);
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$user{$n,'gblocks'} = $5;
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$user{$n,'ufiles'} = int($6);
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$user{$n,'sfiles'} = int($7);
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$user{$n,'hfiles'} = int($8);
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$user{$n,'gfiles'} = $9;
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$user{$n,'gblocks'} = &trunc_space($user{$n,'gblocks'});
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$user{$n,'gfiles'} = &trunc_space($user{$n,'gfiles'});
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}
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}
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return $n;
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}
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# filesystem_groups(filesystem)
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# Fills the array %group with information about all groups with quotas
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# on this filesystem. This may not be all groups on the system..
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sub filesystem_groups
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{
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local($rep, @rep, $n, $what);
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$rep = `$config{'group_repquota_command'} $_[0] 2>&1`;
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if ($?) { return -1; }
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@rep = split(/\n/, $rep);
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@rep = @rep[3..$#rep];
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for($n=0; $n<@rep; $n++) {
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if ($rep[$n] =~ /(\S+)\s*[\-\+]{2}\s+(\d+)\s+(\d+)\s+(\d+)\s(.{0,15})\s(\d+)\s+(\d+)\s+(\d+)(.*)/ || $rep[$n] =~ /(\S+)\s+..(.{8})(.{8})(.{8})(.{7})(.{8})(.{8})(.{8})/) {
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$group{$n,'group'} = $1;
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$group{$n,'ublocks'} = int($2);
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$group{$n,'sblocks'} = int($3);
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$group{$n,'hblocks'} = int($4);
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$group{$n,'gblocks'} = $5;
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$group{$n,'ufiles'} = int($6);
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$group{$n,'sfiles'} = int($7);
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$group{$n,'hfiles'} = int($8);
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$group{$n,'gfiles'} = $9;
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$group{$n,'gblocks'} = &trunc_space($group{$n,'gblocks'});
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$group{$n,'gfiles'} = &trunc_space($group{$n,'gfiles'});
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}
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}
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return $n;
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}
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# edit_quota_file(data, filesys, sblocks, hblocks, sfiles, hfiles)
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sub edit_quota_file
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{
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local($rv, $line, %mtab, @m);
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@line = split(/\n/, $_[0]);
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for($i=0; $i<@line; $i++) {
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if ($line[$i] =~ /^(\S+): (blocks|kbytes) in use: (\d+), limits \(soft = (\d+), hard = (\d+)\)$/ && $1 eq $_[1]) {
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# found lines to change, old style
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$rv .= "$1: $2 in use: $3, limits (soft = $_[2], hard = $_[3])\n";
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$line[++$i] =~ /^\s*inodes in use: (\d+), limits \(soft = (\d+), hard = (\d+)\)$/;
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$rv .= "\tinodes in use: $1, limits (soft = $_[4], hard = $_[5])\n";
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}
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elsif ($line[$i] =~ /^(\S+): in use: (\d+)k, limits \(soft = (\d+)k, hard = (\d+)k\)$/ && $1 eq $_[1]) {
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# found lines to change, new style
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$rv .= "$1: in use: ${2}k, limits (soft = $_[2]k, hard = $_[3]k)\n";
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$line[++$i] =~ /^\s*inodes in use: (\d+), limits \(soft = (\d+), hard = (\d+)\)$/;
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$rv .= "\tinodes in use: $1, limits (soft = $_[4], hard = $_[5])\n";
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}
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else { $rv .= "$line[$i]\n"; }
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}
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return $rv;
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}
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# quotacheck(filesystem, mode)
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# Runs quotacheck on some filesystem
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sub quotacheck
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{
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$out = &backquote_logged("$config{'quotacheck_command'} $_[0] 2>&1");
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if ($?) { return $out; }
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return undef;
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}
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# copy_user_quota(user, [user]+)
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# Copy the quotas for some user to many others
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sub copy_user_quota
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{
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for($i=1; $i<@_; $i++) {
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$out = &backquote_logged("$config{'user_copy_command'} ".
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quotemeta($_[0])." ".quotemeta($_[$i])." 2>&1");
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if ($?) { return $out; }
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}
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return undef;
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}
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# copy_group_quota(group, [group]+)
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# Copy the quotas for some group to many others
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sub copy_group_quota
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{
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for($i=1; $i<@_; $i++) {
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$out = &backquote_logged("$config{'group_copy_command'} ".
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quotemeta($_[0])." ".quotemeta($_[$i])." 2>&1");
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if ($?) { return $out; }
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}
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return undef;
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}
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# default_grace()
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# Returns 0 if grace time can be 0, 1 if zero grace means default
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sub default_grace
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{
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return 0;
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}
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# get_user_grace(filesystem)
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# Returns an array containing btime, bunits, ftime, funits
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# The units can be 0=sec, 1=min, 2=hour, 3=day
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sub get_user_grace
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{
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local(@rv, %mtab, @m);
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$ENV{'EDITOR'} = $ENV{'VISUAL'} = "cat";
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open(GRACE, "$config{'user_grace_command'} $_[0] |");
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while(<GRACE>) {
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if (/^(\S+): block grace period: (\d+) (\S+), file grace period: (\d+) (\S+)/ && $1 eq $_[0]) {
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@rv = ($2, $name_to_unit{$3}, $4, $name_to_unit{$5});
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}
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}
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close(GRACE);
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return @rv;
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}
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# get_group_grace(filesystem)
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# Returns an array containing btime, bunits, ftime, funits
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# The units can be 0=sec, 1=min, 2=hour, 3=day
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sub get_group_grace
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{
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local(@rv, %mtab, @m);
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$ENV{'EDITOR'} = $ENV{'VISUAL'} = "cat";
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open(GRACE, "$config{'group_grace_command'} $_[0] |");
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while(<GRACE>) {
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if (/^(\S+): block grace period: (\d+) (\S+), file grace period: (\d+) (\S+)/ && $1 eq $_[0]) {
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@rv = ($2, $name_to_unit{$3}, $4, $name_to_unit{$5});
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}
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}
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close(GRACE);
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return @rv;
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}
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# edit_grace_file(data, filesystem, btime, bunits, ftime, funits)
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sub edit_grace_file
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{
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local($rv, $line, @m, %mtab);
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foreach $line (split(/\n/, $_[0])) {
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if ($line =~ /^(\S+): block grace period: (\d+) (\S+), file grace period: (\d+) (\S+)/ && $1 eq $_[1]) {
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# replace this line
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$line = "$1: block grace period: $_[2] $unit_to_name{$_[3]}, file grace period: $_[4] $unit_to_name{$_[5]}";
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}
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$rv .= "$line\n";
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}
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return $rv;
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}
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# grace_units()
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# Returns an array of possible units for grace periods
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sub grace_units
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{
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return ($text{'grace_seconds'}, $text{'grace_minutes'}, $text{'grace_hours'},
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$text{'grace_days'});
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}
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# fs_block_size(dir, device, filesystem)
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# Returns the size of blocks on some filesystem, or undef if unknown.
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# Always 512 because the ENV setting above forces this.
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sub fs_block_size
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{
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return 512;
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}
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# quota_block_size(dir, device, filesystem)
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# Always returns 1024, as that's the block size BSD appears to use
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sub quota_block_size
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{
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return 1024;
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}
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%name_to_unit = ( "second", 0, "seconds", 0,
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"minute", 1, "minutes", 1,
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"hour", 2, "hours", 2,
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"day", 3, "days", 3,
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);
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foreach $k (keys %name_to_unit) {
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$unit_to_name{$name_to_unit{$k}} = $k;
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}
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1;
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