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More corrections to undo_routing

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Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep 2011-08-30 09:31:06 -07:00
parent 3031c37edd
commit abdd6bec27
2 changed files with 24 additions and 33 deletions
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41
Shorewall/Perl/Shorewall/Providers.pm
View File

@ -260,7 +260,6 @@ sub start_provider( $$$ ) {
emit "qt ip -$family route flush table $number";
emit "echo \"qt \$IP -$family route flush table $number\" > \${VARDIR}/undo_${table}_routing";
emit "echo \". \${VARDIR}/undo_${table}_routing\" >> \${VARDIR}/undo_routing";
}
#
@ -319,6 +318,7 @@ sub process_a_provider() {
unless ( $options eq '-' ) {
for my $option ( split_list $options, 'option' ) {
if ( $option eq 'track' ) {
require_capability( 'MANGLE_ENABLED' , q(The 'track' option) , 's' );
$track = 1;
} elsif ( $option eq 'notrack' ) {
$track = 0;
@ -381,6 +381,8 @@ sub process_a_provider() {
if ( $mark ne '-' ) {
require_capability( 'MANGLE_ENABLED' , 'Provider marks' , '' );
$val = numeric_value $mark;
fatal_error "Invalid Mark Value ($mark)" unless defined $val && $val;
@ -837,17 +839,16 @@ sub add_a_route( ) {
sub setup_null_routing() {
save_progress_message "Null Routing the RFC 1918 subnets";
emit "> \${VARDIR}undo_rfc1918_routing\n";
for ( rfc1918_networks ) {
emit( qq(if ! \$IP -4 route ls | grep -q '^$_.* dev '; then),
qq( run_ip route replace unreachable $_),
qq( echo "qt \$IP -4 route del unreachable $_" >> \${VARDIR}/undo_routing),
qq( echo "qt \$IP -4 route del unreachable $_" >> \${VARDIR}/undo_rfc1918_routing),
qq(fi\n) );
}
}
sub start_providers() {
require_capability( 'MANGLE_ENABLED' , 'a non-empty providers file' , 's' );
emit ( '#',
'# Undo any changes made since the last time that we [re]started -- this will not restore the default route',
'#',
@ -865,11 +866,7 @@ sub start_providers() {
emit ( '#',
'# Capture the default route(s) if we don\'t have it (them) already.',
'#',
"[ -f \${VARDIR}/default_route ] || \$IP -$family route list | save_default_route > \${VARDIR}/default_route",
'#',
'# Initialize the file that holds \'undo\' commands',
'#',
'> ${VARDIR}/undo_routing' );
"[ -f \${VARDIR}/default_route ] || \$IP -$family route list | save_default_route > \${VARDIR}/default_route" );
save_progress_message 'Adding Providers...';
@ -877,24 +874,14 @@ sub start_providers() {
emit 'FALLBACK_ROUTE=';
emit '';
emit '';
emit qq(> \${VARDIR}/undo_main_routing);
emit qq(echo ". \${VARDIR}/undo_main_routing" >> \${VARDIR}/undo_routing\n);
emit '';
emit $_ for @{$providers{main}{routes}};
emit '';
emit $_ for @{$providers{main}{rules}};
if ( @{$providers{default}{rules}} || @{$providers{default}{rules}} ) {
for my $provider ( qw/main default/ ) {
emit '';
emit qq(> \${VARDIR}/undo_default_routing);
emit qq(echo ". \${VARDIR}/undo_default_routing" >> \${VARDIR}/undo_routing\n);
emit qq(> \${VARDIR}/undo_${provider}_routing );
emit '';
emit $_ for @{$providers{default}{routes}};
emit $_ for @{$providers{$provider}{routes}};
emit '';
emit $_ for @{$providers{default}{rules}};
emit $_ for @{$providers{$provider}{rules}};
}
}
sub finish_providers() {
@ -904,8 +891,8 @@ sub finish_providers() {
if ( $config{USE_DEFAULT_RT} ) {
emit ( 'run_ip rule add from ' . ALLIP . ' table ' . MAIN_TABLE . ' pref 999',
"\$IP -$family rule del from " . ALLIP . ' table ' . MAIN_TABLE . ' pref 32766',
qq(echo "qt \$IP -$family rule add from ) . ALLIP . ' table ' . MAIN_TABLE . ' pref 32766" >> ${VARDIR}/undo_routing',
qq(echo "qt \$IP -$family rule del from ) . ALLIP . ' table ' . MAIN_TABLE . ' pref 999" >> ${VARDIR}/undo_routing',
qq(echo "qt \$IP -$family rule add from ) . ALLIP . ' table ' . MAIN_TABLE . ' pref 32766" >> ${VARDIR}/undo_main_routing',
qq(echo "qt \$IP -$family rule del from ) . ALLIP . ' table ' . MAIN_TABLE . ' pref 999" >> ${VARDIR}/undo_main_routing',
'' );
$table = DEFAULT_TABLE;
}
@ -1125,10 +1112,6 @@ sub setup_providers() {
emit "restore_default_route $config{USE_DEFAULT_RT}";
if ( $config{NULL_ROUTE_RFC1918} ) {
emit ( '#',
'# Initialize the file that holds \'undo\' commands',
'#',
'> ${VARDIR}/undo_routing' );
setup_null_routing;
emit "\nrun_ip route flush cache";
}

16
Shorewall/Perl/prog.header
View File

@ -492,6 +492,8 @@ get_device_mtu1() # $1 = device
# Undo changes to routing
#
undo_routing() {
local undofiles
local f
if [ -z "$g_noroutes" ]; then
#
@ -504,10 +506,16 @@ undo_routing() {
#
# Restore the rest of the routing table
#
if [ -f ${VARDIR}/undo_routing ]; then
. ${VARDIR}/undo_routing
progress_message "Shorewall-generated routing tables and routing rules removed"
rm -f ${VARDIR}/undo_*routing
undofiles="$(ls ${VARDIR}/undo_*routing 2> /dev/null)"
if [ -n "$undofiles" ]; then
for f in $undofiles; do
. $f
done
rm -f $undofiles
progress_message "Shorewall-generated routing tables and routing rules removed"
fi
fi