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125 lines
3.3 KiB
Perl
Executable File
125 lines
3.3 KiB
Perl
Executable File
#!/usr/local/bin/perl
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# change_bind.cgi
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# Update the binding IP address and port for miniserv
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require './usermin-lib.pl';
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$access{'bind'} || &error($text{'acl_ecannot'});
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use Socket;
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&ReadParse();
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&get_usermin_miniserv_config(\%miniserv);
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%oldminiserv = %miniserv;
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&error_setup($text{'bind_err'});
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# Validate inputs
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for($i=0; defined($in{"ip_def_$i"}); $i++) {
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next if (!$in{"ip_def_$i"});
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if ($in{"ip_def_$i"} == 1) {
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$ip = "*";
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}
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else {
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$ip = $in{"ip_$i"};
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&check_ipaddress($ip) ||
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$in{'ipv6'} && &check_ip6address($ip) ||
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&error(&text('bind_eip2', $ip));
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}
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if ($in{"port_def_$i"} == 1) {
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$port = $in{"port_$i"};
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$port =~ /^\d+$/ && $port < 65536 ||
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&error(&text('bind_eport2', $port));
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}
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else {
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$port = "*";
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}
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push(@sockets, [ $ip, $port ]);
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push(@ports, $port) if ($port && $port ne "*");
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}
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@sockets || &error($text{'bind_enone'});
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$in{'hostname_def'} || $in{'hostname'} =~ /^[a-z0-9\.\-]+$/i ||
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&error($text{'bind_ehostname'});
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if ($in{'ipv6'}) {
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eval "use Socket6";
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$@ && &error(&text('bind_eipv6', "<tt>Socket6</tt>"));
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}
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# For any new ports, check if they are already in use
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@oldports = split(/\s+/, $in{'oldports'});
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@newports = &unique(grep { &indexof($_, @oldports) < 0 } @ports);
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if (&has_command("lsof")) {
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foreach my $p (@newports) {
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$out = &backquote_command("lsof -t -i tcp:$p 2>/dev/null");
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if ($out =~ /\d+/) {
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&error(&text('bind_elsof', $p));
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}
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}
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}
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# Update config file
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&lock_file($usermin_miniserv_config);
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$first = shift(@sockets);
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$miniserv{'port'} = $first->[1];
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if ($first->[0] eq "*") {
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delete($miniserv{'bind'});
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}
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else {
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$miniserv{'bind'} = $first->[0];
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}
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$miniserv{'sockets'} = join(" ", map { "$_->[0]:$_->[1]" } @sockets);
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if ($in{'websocket_base_port_def'}) {
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delete($miniserv{'websocket_base_port'});
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}
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else {
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$miniserv{'websocket_base_port'} = $in{'websocket_base_port'};
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}
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if ($in{'websocket_host_def'}) {
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delete($miniserv{'websocket_host'});
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}
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else {
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$miniserv{'websocket_host'} = $in{'websocket_host'};
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}
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$miniserv{'ipv6'} = $in{'ipv6'};
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if ($in{'listen_def'}) {
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delete($miniserv{'listen'});
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}
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else {
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$miniserv{'listen'} = $in{'listen'};
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}
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if ($in{'hostname_def'}) {
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delete($miniserv{'host'});
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}
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else {
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$miniserv{'host'} = $in{'hostname'};
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}
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&put_usermin_miniserv_config(\%miniserv);
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&unlock_file($usermin_miniserv_config);
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# Attempt to re-start miniserv
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$rv = &system_logged("$config{'usermin_dir'}/restart >/dev/null 2>&1 </dev/null");
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if ($rv) {
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# Failed! Roll back config and start again
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&lock_file($usermin_miniserv_config);
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&put_usermin_miniserv_config(\%oldminiserv);
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&unlock_file($usermin_miniserv_config);
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&system_logged("$config{'usermin_dir'}/restart >/dev/null 2>&1 </dev/null");
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&error(&text('bind_erestart', $out));
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}
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# If possible, open the new ports
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foreach my $mod ("firewall", "firewalld") {
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if (&foreign_check($mod) && $in{'firewall'}) {
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if (@newports) {
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&clean_environment();
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$ENV{'WEBMIN_CONFIG'} = $config_directory;
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&system_logged(
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&module_root_directory($mod)."/open-ports.pl ".
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join(" ", map { $_.":".($_+10) } @newports).
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" >/dev/null 2>&1");
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&reset_environment();
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}
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}
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}
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&webmin_log("bind", undef, undef, \%in);
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&redirect("");
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