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Add CHAIN_SCRIPTS option

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2013-04-21 07:30:31 -07:00
parent a56dcc745d
commit 5ad69aa650
15 changed files with 91 additions and 31 deletions
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2
Shorewall/Perl/Shorewall/Chains.pm
View File

@ -2452,6 +2452,7 @@ sub ensure_accounting_chain( $$$ )
$chainref->{ipsec} = $ipsec;
$chainref->{optflags} |= ( DONT_OPTIMIZE | DONT_MOVE | DONT_DELETE ) unless $config{OPTIMIZE_ACCOUNTING};
if ( $config{CHAIN_SCRIPTS} ) {
unless ( $chain eq 'accounting' ) {
my $file = find_file $chain;
@ -2468,6 +2469,7 @@ sub ensure_accounting_chain( $$$ )
}
}
}
}
$chainref;
}

6
Shorewall/Perl/Shorewall/Config.pm
View File

@ -790,6 +790,7 @@ sub initialize( $;$$) {
WARNOLDCAPVERSION => undef,
DEFER_DNS_RESOLUTION => undef,
USE_RT_NAMES => undef,
CHAIN_SCRIPTS => undef,
#
# Packet Disposition
#
@ -5302,6 +5303,7 @@ sub get_configuration( $$$$ ) {
default_yes_no 'AUTOCOMMENT' , 'Yes';
default_yes_no 'MULTICAST' , '';
default_yes_no 'MARK_IN_FORWARD_CHAIN' , '';
default_yes_no 'CHAIN_SCRIPTS' , 'Yes';
default_yes_no 'MANGLE_ENABLED' , have_capability( 'MANGLE_ENABLED' ) ? 'Yes' : '';
default_yes_no 'USE_DEFAULT_RT' , '';
@ -5703,7 +5705,7 @@ sub run_user_exit( $ ) {
my $chainref = $_[0];
my $file = find_file $chainref->{name};
if ( -f $file ) {
if ( $config{CHAIN_SCRIPTS} && -f $file ) {
progress_message2 "Running $file...";
my $command = qq(package Shorewall::User;\nno strict;\n# line 1 "$file"\n) . `cat $file`;
@ -5756,7 +5758,7 @@ sub run_user_exit1( $ ) {
sub run_user_exit2( $$ ) {
my ($file, $chainref) = ( find_file $_[0], $_[1] );
if ( -f $file ) {
if ( $config{CHAIN_SCRIPTS} && -f $file ) {
progress_message2 "Running $file...";
#
# File may be empty -- in which case eval would fail

4
Shorewall/Perl/Shorewall/Rules.pm
View File

@ -1184,6 +1184,7 @@ sub createlogactionchain( $$$$$ ) {
$chainref->{action} = $normalized;
if ( $config{CHAIN_SCRIPTS} ) {
unless ( $targets{$action} & BUILTIN ) {
set_optflags( $chainref, DONT_OPTIMIZE );
@ -1202,6 +1203,7 @@ sub createlogactionchain( $$$$$ ) {
}
}
}
}
$chainref;
}
@ -1218,6 +1220,7 @@ sub createsimpleactionchain( $ ) {
$chainref->{action} = $normalized;
if ( $config{CHAIN_SCRIPTS} ) {
unless ( $targets{$action} & BUILTIN ) {
set_optflags( $chainref, DONT_OPTIMIZE );
@ -1236,6 +1239,7 @@ sub createsimpleactionchain( $ ) {
}
}
}
}
$chainref;
}

2
Shorewall/Samples/Universal/shorewall.conf
View File

@ -130,6 +130,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=No
CLEAR_TC=Yes

2
Shorewall/Samples/one-interface/shorewall.conf
View File

@ -141,6 +141,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=No
CLEAR_TC=Yes

2
Shorewall/Samples/three-interfaces/shorewall.conf
View File

@ -139,6 +139,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=Yes
CLEAR_TC=Yes

2
Shorewall/Samples/two-interfaces/shorewall.conf
View File

@ -142,6 +142,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=Yes
CLEAR_TC=Yes

2
Shorewall/configfiles/shorewall.conf
View File

@ -130,6 +130,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=Yes
CLAMPMSS=No
CLEAR_TC=Yes

16
Shorewall/manpages/shorewall.conf.xml
View File

@ -466,6 +466,22 @@
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">CHAIN_SCRIPTS=</emphasis>{<emphasis
role="bold">Yes</emphasis>|<emphasis role="bold">No</emphasis>}</term>
<listitem>
<para>Added in Shorewall 4.5.16. Prior to the availability of BEGIN
PERL....END PERL in configuration files, the only way to execute a
chain-specific script was to create a script file with the same name
as the chain and place it in a directory on the CONFIG_PATH. That
facility has the drawback that the compiler will attempt to run a
non-script file just because it has the same name as a chain. To
disable this facility, set CHAIN_SCRIPTS=No. If not specified or
specified as the empty value, CHAIN_SCRIPTS=Yes is assumed. </para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">CLAMPMSS=[</emphasis><emphasis
role="bold">Yes</emphasis>|<emphasis

2
Shorewall6/Samples6/Universal/shorewall6.conf
View File

@ -123,6 +123,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=No
CLEAR_TC=Yes

2
Shorewall6/Samples6/one-interface/shorewall6.conf
View File

@ -123,6 +123,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=No
CLEAR_TC=Yes

2
Shorewall6/Samples6/three-interfaces/shorewall6.conf
View File

@ -123,6 +123,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=No
CLEAR_TC=Yes

2
Shorewall6/Samples6/two-interfaces/shorewall6.conf
View File

@ -123,6 +123,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=No
CLAMPMSS=No
CLEAR_TC=Yes

2
Shorewall6/configfiles/shorewall6.conf
View File

@ -123,6 +123,8 @@ AUTOMAKE=No
BLACKLIST="NEW,INVALID,UNTRACKED"
CHAIN_SCRIPTS=Yes
CLAMPMSS=No
CLEAR_TC=No

16
Shorewall6/manpages/shorewall6.conf.xml
View File

@ -396,6 +396,22 @@
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">CHAIN_SCRIPTS=</emphasis>{<emphasis
role="bold">Yes</emphasis>|<emphasis role="bold">No</emphasis>}</term>
<listitem>
<para>Added in Shorewall 4.5.16. Prior to the availability of BEGIN
PERL....END PERL in configuration files, the only way to execute a
chain-specific script was to create a script file with the same name
as the chain and place it in a directory on the CONFIG_PATH. That
facility has the drawback that the compiler will attempt to run a
non-script file just because it has the same name as a chain. To
disable this facility, set CHAIN_SCRIPTS=No. If not specified or
specified as the empty value, CHAIN_SCRIPTS=Yes is assumed.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">CLAMPMSS=[</emphasis><emphasis
role="bold">Yes</emphasis>|<emphasis