Raspi-image-spec/set-sysconf

40 lines
936 B
Plaintext
Raw Normal View History

2019-07-19 04:54:47 +01:00
#!/usr/bin/perl
use strict;
use warnings;
use IO::File;
use IO::Pipe;
use Sys::Syslog qw(:standard);
use feature 'switch';
my ($filename, $fh, %conf);
$filename = '/boot/firmware/sysconf.txt';
exit 0 unless -f $filename;
openlog('sysconf', 'ndelay', 'LOG_DAEMON');
syslog('info', 'Applying the system configuration settings in /boot/firmware');
END { closelog(); }
$fh = IO::File->new($filename, 'r');
while (my $line = $fh->readline) {
my ($key, $value);
# Allow for comments, and properly ignore them
$line =~ s/#.+//;
if ( ($key, $value) = ($line =~ m/^\s*([^=]+)\s*=\s*(.*)\s*$/)) {
$key = lc($key);
if (exists($conf{$key})) {
syslog('warn', "Repeated configuration key: $key. Overwriting with new value ($value)");
}
$conf{$key} = $value;
}
}
if (my $pass = $conf{root_pw}) {
my $pipe = IO::Pipe->new();
$pipe->writer('/bin/passwd root');
print $pipe $pass;
print $pipe $pass;
}