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Support for getting and setting default gateway

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This commit is contained in:
Jamie Cameron
2023-06-19 20:19:28 -07:00
parent d9401ff1b7
commit de53c330d6
1 changed files with 70 additions and 3 deletions
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73
net/nm-lib.pl
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@@ -55,11 +55,12 @@ foreach my $f (glob("$nm_conn_dir/*.nmconnection")) {
}
# IPv6 addresses
# XXX IPv6 gateway??
for(my $i=1; defined(my $addr = &find_nm_config($cfg, "ipv6", "address$i")); $i++) {
my ($ad, $gw) = split(/,/, $addr);
my ($ad, $cidr) = split(/\//, $addr);
push(@{$cfg->{'address6'}}, $ad);
push(@{$cfg->{'netmask6'}}, $cidr || 64);
push(@{$iface->{'address6'}}, $ad);
push(@{$iface->{'netmask6'}}, $cidr || 64);
$iface->{'gateway6'} ||= $gw;
}
# Nameservers
@@ -278,6 +279,72 @@ sub network_config_files
return ( "/etc/hostname", "/etc/HOSTNAME", "/etc/mailname" );
}
# get_default_gateway()
# Returns the default gateway IP (if one is set) and device (if set) boot time
# settings.
sub get_default_gateway
{
foreach my $iface (&boot_interfaces()) {
if ($iface->{'gateway'}) {
return ( $iface->{'gateway'}, $iface->{'fullname'} );
}
}
return ( );
}
# set_default_gateway([gateway, device])
# Sets the default gateway to the given IP accessible via the given device,
# in the boot time settings.
sub set_default_gateway
{
my ($gw, $dev) = @_;
foreach my $iface (&boot_interfaces()) {
if ($iface->{'fullname'} eq $dev && $iface->{'gateway'} ne $gw) {
# Need to add to this interface
$iface->{'gateway'} = $gw;
&save_interface($iface);
}
elsif ($iface->{'fullname'} ne $dev && $iface->{'gateway'}) {
# Need to remove from this interface
delete($iface->{'gateway'});
&save_interface($iface);
}
}
}
# get_default_ipv6_gateway()
# Returns the default gateway IPv6 address (if one is set) and device (if set)
# boot time settings.
sub get_default_ipv6_gateway
{
foreach my $iface (&boot_interfaces()) {
if ($iface->{'gateway6'}) {
return ( $iface->{'gateway6'}, $iface->{'fullname'} );
}
}
return ( );
}
# set_default_ipv6_gateway([gateway, device])
# Sets the default IPv6 gateway to the given IP accessible via the given device,
# in the boot time settings.
sub set_default_ipv6_gateway
{
my ($gw, $dev) = @_;
foreach my $iface (&boot_interfaces()) {
if ($iface->{'fullname'} eq $dev && $iface->{'gateway6'} ne $gw) {
# Need to add to this interface
$iface->{'gateway6'} = $gw;
&save_interface($iface);
}
elsif ($iface->{'fullname'} ne $dev && $iface->{'gateway6'}) {
# Need to remove from this interface
delete($iface->{'gateway6'});
&save_interface($iface);
}
}
}
# read_nm_config(file)
# Reads an ini-format network manager config file
sub read_nm_config