PAL.C.T MINI SHELL
#!/usr/bin/perl
# save_mgetty.cgi
# Save, create or delete a serial port configuration
require './pap-lib.pl';
$access{'mgetty'} || &error($text{'mgetty_ecannot'});
&foreign_require("inittab", "inittab-lib.pl");
&ReadParse();
@inittab = &inittab::parse_inittab();
@mgt = &mgetty_inittabs();
if (!$in{'new'}) {
($init) = grep { $_->{'id'} eq $in{'id'} } @mgt;
$oldtty = $init->{'tty'};
$oldtty = "/dev/$oldtty" if ($oldtty !~ /^\//);
}
&lock_file($inittab::config{'inittab_file'});
if ($in{'delete'}) {
# Just deleting an inittab entry
&inittab::delete_inittab($init);
}
else {
# Validate and store inputs
&error_setup($text{'mgetty_err'});
$cmd = $in{'new'} ? &has_command($config{'mgetty'}) : $init->{'mgetty'};
$cmd .= " -r" if ($in{'direct'});
if (!$in{'speed_def'}) {
$in{'speed'} =~ /^\d+$/ || &error($text{'mgetty_espeed'});
$cmd .= " -s $in{'speed'}";
}
$in{'rings'} =~ /^\d+$/ || &error($text{'mgetty_eanswer'});
$cmd .= " -n $in{'rings'}" if ($in{'rings'} != 1);
if ($in{'mode'} == 1) {
$cmd .= " -D";
}
elsif ($in{'mode'} == 2) {
$cmd .= " -F";
}
if (!$in{'back_def'}) {
$in{'back'} =~ /^\d+$/ || &error($text{'mgetty_eback'});
$cmd .= " -R $in{'back'}";
}
if (!$in{'prompt_def'}) {
$cmd .= $in{'prompt'} =~ /"/ ? " -p '$in{'prompt'}'"
: " -p \"$in{'prompt'}\"";
}
if ($init->{'args'}) {
$init->{'args'} =~ s/^\s+//;
$cmd .= " $init->{'args'}";
}
if ($in{'tty'}) {
$cmd .= " $in{'tty'}";
$init->{'tty'} = $in{'tty'};
}
else {
-r $in{'other'} || &error($text{'mgetty_etty'});
$cmd .= " $in{'other'}";
$init->{'tty'} = $in{'other'};
}
$newtty = $init->{'tty'};
$newtty = "/dev/$newtty" if ($newtty !~ /^\//);
if ($in{'new'} || $newtty ne $oldtty) {
# Check for tty clash
foreach $m (&mgetty_inittabs()) {
local $mtty = $m->{'tty'};
$mtty = "/dev/$mtty" if ($mtty !~ /^\//);
&error(&text('mgetty_eclash', "<tt>$mtty</tt>"))
if ($mtty eq $newtty);
}
}
$cmd .= " $init->{'ttydefs'}" if ($init->{'ttydefs'});
$init->{'process'} = $cmd;
if ($in{'new'}) {
$maxid = 1;
foreach $i (@inittab) {
$maxid = $i->{'id'} if ($i->{'id'} =~ /^\d+$/ &&
$i->{'id'} > $maxid);
}
$init->{'id'} = $maxid + 1;
$init->{'levels'} = [ 2, 3, 4, 5 ];
$init->{'action'} = "respawn";
&inittab::create_inittab($init);
}
else {
&inittab::modify_inittab($init);
}
}
&unlock_file($inittab::config{'inittab_file'});
&webmin_log($in{'delete'} ? "delete" : $in{'new'} ? "create" : "modify",
"mgetty", $init->{'tty'}, $init);
&redirect("list_mgetty.cgi");
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