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Lock all files when updating configs

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This commit is contained in:
Jamie Cameron
2018-01-14 16:31:46 -08:00
parent fcc2af0589
commit 57a7cffcc8
9 changed files with 38 additions and 22 deletions
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4
fail2ban/delete_actions.cgi
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@ -12,6 +12,7 @@ our (%in, %text, %config);
my @d = split(/\0/, $in{'d'});
@d || &error($text{'actions_enone'});
my @actions = &list_actions();
&lock_all_files();
foreach my $file (@d) {
my ($action) = grep { $_->[0]->{'file'} eq $file } @actions;
next if (!$action);
@ -21,10 +22,9 @@ foreach my $file (@d) {
@users && &error(&text('actions_einuse',
&filename_to_name($file),
join(" ", map { $_->{'name'} } @users)));
&lock_file($file);
&delete_section($file, $def);
&unlock_file($file);
}
&unlock_all_files();
&webmin_log("delete", "actions", scalar(@d));
&redirect("list_actions.cgi");

4
fail2ban/delete_filters.cgi
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@ -12,6 +12,7 @@ our (%in, %text, %config);
my @d = split(/\0/, $in{'d'});
@d || &error($text{'filters_enone'});
my @filters = &list_filters();
&lock_all_files();
foreach my $file (@d) {
my ($filter) = grep { $_->[0]->{'file'} eq $file } @filters;
next if (!$filter);
@ -21,10 +22,9 @@ foreach my $file (@d) {
@users && &error(&text('filters_einuse',
&filename_to_name($file),
join(" ", map { $_->{'name'} } @users)));
&lock_file($file);
&delete_section($file, $def);
&unlock_file($file);
}
&unlock_all_files();
&webmin_log("delete", "filters", scalar(@d));
&redirect("list_filters.cgi");

4
fail2ban/delete_jails.cgi
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@ -12,13 +12,13 @@ our (%in, %text, %config);
my @d = split(/\0/, $in{'d'});
@d || &error($text{'jails_enone'});
my @jails = &list_jails();
&lock_all_files();
foreach my $name (@d) {
my ($jail) = grep { $_->{'name'} eq $name } @jails;
next if (!$jail);
&lock_file($jail->{'file'});
&delete_section($jail->{'file'}, $jail);
&unlock_file($jail->{'file'});
}
&unlock_all_files();
&webmin_log("delete", "jails", scalar(@d));
&redirect("list_jails.cgi");

16
fail2ban/fail2ban-lib.pl
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@ -490,6 +490,22 @@ push(@rv, "$config{'config_dir'}/jail.local");
return grep { -r $_ } @rv;
}
sub lock_all_files
{
@all_files_for_lock = &list_all_config_files();
foreach my $f (@all_files_for_lock) {
&lock_file($f);
}
}
sub unlock_all_files
{
foreach my $f (reverse(@all_files_for_lock)) {
&unlock_file($f);
}
@all_files_for_lock = ();
}
# get_fail2ban_version()
# Returns the version number, or undef if it cannot be found
sub get_fail2ban_version

8
fail2ban/save_action.cgi
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@ -29,9 +29,9 @@ if ($in{'delete'}) {
my @users = &find_jail_by_action($action);
@users && &error(&text('action_einuse',
join(" ", map { $_->{'name'} } @users)));
&lock_file($file);
&lock_all_files();
&delete_section($file, $def);
&unlock_file($file);
&unlock_all_files();
}
else {
# Validate inputs
@ -44,7 +44,7 @@ else {
}
# Create new section if needed
&lock_file($file);
&lock_all_files();
if ($in{'new'}) {
&create_section($file, $def);
}
@ -61,7 +61,7 @@ else {
$in{'unban'} =~ s/\r//g;
&save_directive("actionunban", $in{'unban'}, $def);
&unlock_file($file);
&unlock_all_files();
}
# Log and redirect

4
fail2ban/save_config.cgi
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@ -21,7 +21,7 @@ if (!$in{'socket_def'}) {
}
# Update config file
&lock_file($def->{'file'});
&lock_all_files();
&save_directive("loglevel", $in{'loglevel'}, $def);
&save_directive("logtarget",
@ -30,6 +30,6 @@ if (!$in{'socket_def'}) {
$in{'logtarget_def'}, $def);
&save_directive("socket", $in{'socket_def'} ? undef : $in{'socket'}, $def);
&unlock_file($def->{'file'});
&unlock_all_files();
&webmin_log("config");
&redirect("");

8
fail2ban/save_filter.cgi
View File

@ -29,9 +29,9 @@ if ($in{'delete'}) {
my @users = &find_jail_by_filter($filter);
@users && &error(&text('filter_einuse',
join(" ", map { $_->{'name'} } @users)));
&lock_file($file);
&lock_all_files();
&delete_section($file, $def);
&unlock_file($file);
&unlock_all_files();
}
else {
# Validate inputs
@ -45,7 +45,7 @@ else {
$in{'fail'} =~ /\S/ || &error($text{'filter_efail'});
# Create new section if needed
&lock_file($file);
&lock_all_files();
if ($in{'new'}) {
&create_section($file, $def);
}
@ -56,7 +56,7 @@ else {
$in{'ignore'} =~ s/\r//g;
&save_directive("ignoreregex", $in{'ignore'}, $def);
&unlock_file($file);
&unlock_all_files();
}
# Log and redirect

8
fail2ban/save_jail.cgi
View File

@ -26,10 +26,10 @@ else {
if ($in{'delete'}) {
# Just delete the jail
&lock_file($jail->{'file'});
&lock_all_files();
&delete_section($jail->{'file'}, $jail,
$jail->{'file'} =~ /jail.local$/ ? 1 : 0);
&unlock_file($jail->{'file'});
&unlock_all_files();
}
else {
# Validate inputs
@ -102,7 +102,7 @@ else {
}
# Create new section or rename existing if needed
&lock_file($jail->{'file'});
&lock_all_files();
if ($in{'new'}) {
&create_section($jail->{'file'}, $jail);
}
@ -122,7 +122,7 @@ else {
&save_directive("ignoreip",
@ignoreips ? join(" ", @ignoreips) : undef, $jail);
&unlock_file($jail->{'file'});
&unlock_all_files();
}
# Log and redirect

4
fail2ban/save_jaildef.cgi
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@ -30,7 +30,7 @@ foreach my $ip (@ignoreips) {
# Update the jail
&lock_file($jail->{'file'});
&lock_all_files();
foreach my $f ("maxretry", "findtime", "bantime") {
&save_directive($f, $in{$f."_def"} ? undef : $in{$f}, $jail);
}
@ -40,7 +40,7 @@ foreach my $f ("maxretry", "findtime", "bantime") {
$jail);
&save_directive("banaction", $in{'banaction'} || undef, $jail);
&save_directive("protocol", $in{'protocol'} || undef, $jail);
&unlock_file($jail->{'file'});
&unlock_all_files();
&webmin_log("jaildef");
&redirect("list_jails.cgi");