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#!/usr/bin/perl
#
eval '(exit $?0)' && eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
& eval 'exec /usr/bin/perl -S $0 $argv:q'
if 0;
if( $> ) {
print "\nYou must be root to run this step!\n\n";
exit 1;
}
@ARGV = "backup" unless @ARGV;
$backup = $ARGV[0];
if( getpwnam( $backup ) ) {
( $null, $null, $newUID ) = getpwnam( $backup );
$addname = 0;
} else {
$newUID = 70;
while( getpwuid( $newUID ) ) {
$newUID++;
}
$addname = 1;
}
if( getgrnam( $backup ) ) {
( $null, $null, $newGID ) = getgrnam( $backup );
} else {
$newGID = 70;
while( getgrgid( $newGID ) ) {
$newGID++;
}
&append_file( "/etc/group", "${backup}:*:${newGID}:" );
}
print "Amanda user $backup using uid $newUID\n";
print "Amanda user $backup using gid $newGID\n";
if ($addname) {
system( "/usr/bin/chpass -a \"$backup:*************:${newUID}:${newGID}::0:0:Amanda backup user:$ENV{'PREFIX'}/$backup:/bin/sh\"" );
}
sub append_file {
local($file,@list) = @_;
local($LOCK_EX) = 2;
local($LOCK_NB) = 4;
local($LOCK_UN) = 8;
open(F, ">> $file") || die "$file: $!\n";
while( ! flock( F, $LOCK_EX | $LOCK_NB ) ) {
exit 1;
}
print F join( "\n", @list) . "\n";
close F;
flock( F, $LOCK_UN );
}
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