diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/vyatta-interfaces.pl | 65 |
1 files changed, 47 insertions, 18 deletions
diff --git a/scripts/vyatta-interfaces.pl b/scripts/vyatta-interfaces.pl index 567e3b7..ac690c5 100755 --- a/scripts/vyatta-interfaces.pl +++ b/scripts/vyatta-interfaces.pl @@ -47,7 +47,7 @@ use warnings; my $dhcp_daemon = '/sbin/dhclient'; -my ($eth_update, $eth_delete, $addr, $dev, $mac, $mac_update, $op_dhclient); +my ($eth_update, $eth_delete, $addr_set, @addr_commit, $dev, $mac, $mac_update, $op_dhclient); my ($check_name, $show_names, $intf_cli_path, $vif_name, $warn_name); my ($check_up, $show_path); my @speed_duplex; @@ -59,7 +59,8 @@ Usage: $0 --dev=<interface> --check=<type> $0 --dev=<interface> --valid-mac=<aa:aa:aa:aa:aa:aa> $0 --dev=<interface> --eth-addr-update=<aa:aa:aa:aa:aa:aa> $0 --dev=<interface> --eth-addr-delete=<aa:aa:aa:aa:aa:aa> - $0 --dev=<interface> --valid-addr={<a.b.c.d>|dhcp} + $0 --dev=<interface> --valid-addr-set={<a.b.c.d>|dhcp} + $0 --dev=<interface> --valid-addr-commit={addr1 addr2 ...} $0 --dev=<interface> --speed-duplex=speed,duplex $0 --dev=<interface> --path $0 --dev=<interface> --isup @@ -70,7 +71,8 @@ EOF GetOptions("eth-addr-update=s" => \$eth_update, "eth-addr-delete=s" => \$eth_delete, - "valid-addr=s" => \$addr, + "valid-addr-set=s" => \$addr_set, + "valid-addr-commit=s{,}" => \@addr_commit, "dev=s" => \$dev, "valid-mac=s" => \$mac, "set-mac=s" => \$mac_update, @@ -86,7 +88,8 @@ GetOptions("eth-addr-update=s" => \$eth_update, update_eth_addrs($eth_update, $dev) if ($eth_update); delete_eth_addrs($eth_delete, $dev) if ($eth_delete); -is_valid_addr($addr, $dev) if ($addr); +is_valid_addr_set($addr_set, $dev) if ($addr_set); +is_valid_addr_commit($dev, @addr_commit) if (@addr_commit); is_valid_mac($mac, $dev) if ($mac); update_mac($mac_update, $dev) if ($mac_update); op_dhcp_command($op_dhclient, $dev) if ($op_dhclient); @@ -339,7 +342,13 @@ sub is_valid_mac { exit 0; } -sub is_valid_addr { +# Validate an address parameter at the time the user enters it via +# a "set" command. This validates the parameter for syntax only. +# It does not validate it in combination with other parameters. +# Valid values are: "dhcp", <ipv4-address>/<prefix-len>, or +# <ipv6-address>/<prefix-len> +# +sub is_valid_addr_set { my ($addr_net, $intf) = @_; if ($addr_net eq "dhcp") { @@ -347,14 +356,6 @@ sub is_valid_addr { print "Error: can't use dhcp client on loopback interface\n"; exit 1; } - if (is_dhcp_enabled($intf)) { - print "Error: dhcp already configured for $intf\n"; - exit 1; - } - if (is_address_enabled($intf)) { - print "Error: remove static addresses before enabling dhcp for $intf\n"; - exit 1; - } exit 0; } @@ -393,11 +394,6 @@ sub is_valid_addr { } } - if (is_dhcp_enabled($intf)) { - print "Error: remove dhcp before adding static addresses for $intf\n"; - exit 1; - } - if (is_ip_duplicate($intf, $addr_net)) { print "Error: duplicate address/prefix [$addr_net]\n"; exit 1; @@ -417,6 +413,39 @@ sub is_valid_addr { exit 1; } +# Validate the set of address values configured on an interface at commit +# time. Syntax of address values is checked at set time, so is not +# checked here. Instead, we check that full set of address address +# values are consistent. The only rule that we enforce here is that +# one may not configure an interface with both a DHCP address and a static +# IPv4 address. +# +sub is_valid_addr_commit { + my ($intf, @addrs) = @_; + + my $static_v4 = 0; + my $dhcp = 0; + + foreach my $addr (@addrs) { + if ($addr eq "dhcp") { + $dhcp = 1; + } else { + my $version = is_ip_v4_or_v6($addr); + if ($version == 4) { + $static_v4 = 1; + } + } + } + + if ($static_v4 == 1 && $dhcp == 1) { + printf("Error configuring interface $intf: Can't configure static\n"); + printf("IPv4 address and DHCP on the same interface.\n"); + exit 1; + } + + exit 0; +} + sub op_dhcp_command { my ($op_command, $intf) = @_; |