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-rwxr-xr-xperl-install/standalone/fileshareset20
1 files changed, 13 insertions, 7 deletions
diff --git a/perl-install/standalone/fileshareset b/perl-install/standalone/fileshareset
index e2185b07a..d7fcdfece 100755
--- a/perl-install/standalone/fileshareset
+++ b/perl-install/standalone/fileshareset
@@ -12,7 +12,7 @@ my $authorisation_group = 'fileshare';
########################################
# fileshare utility $Id$
-# Copyright (C) 2001 MandrakeSoft (pixel@mandrakesoft.com)
+# Copyright (C) 2001-2002 MandrakeSoft (pixel@mandrakesoft.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -64,7 +64,10 @@ my %exit_codes = reverse (
################################################################################
# correct PATH needed to call /etc/init.d/... ? seems not, but...
%ENV = ();#(PATH => '/bin:/sbin:/usr/bin:/usr/sbin');
-authorisation::check();
+
+my $modify = $0 =~ /fileshareset/;
+
+authorisation::check($modify);
my @exports = (
-e $nfs_exports::conf_file ? nfs_exports::read() : (),
@@ -72,7 +75,7 @@ my @exports = (
);
@exports or error($no_export_method);
-if ($0 =~ /fileshareset/) {
+if ($modify) {
my ($cmd, $dir) = @ARGV;
$< = $>;
@ARGV == 2 && ($cmd eq '--add' || $cmd eq '--remove') or error($usage);
@@ -121,10 +124,11 @@ sub uniq { my %l; $l{$_} = 1 foreach @_; grep { delete $l{$_} } @_ }
package authorisation;
sub read_conf {
- local *F;
- open F, $authorisation_file; # don't care if it's missing
+ my ($exclusive_lock) = @_;
+ open F_lock, $authorisation_file; # don't care if it's missing
+ flock(F_lock, $exclusive_lock ? 2 : 1) or die "can't lock";
my %conf;
- foreach (<F>) {
+ foreach (<F_lock>) {
s/#.*//; # remove comments
s/^\s+//;
s/\s+$//;
@@ -132,11 +136,13 @@ sub read_conf {
my ($cmd, $value) = split('=', $_, 2);
$conf{$cmd} = $value || warn qq(suspicious line "$_" in $authorisation_file\n);
}
+ # no close F_lock, keep it locked
\%conf
}
sub check {
- my $conf = read_conf();
+ my ($exclusive_lock) = @_;
+ my $conf = read_conf($exclusive_lock);
if (lc($conf->{RESTRICT}) eq 'no') {
# ok, access granted for everybody