From c93beedc46c0495a45c449fc66a7eb04630567f4 Mon Sep 17 00:00:00 2001 From: "David A. Madore" Date: Tue, 16 Feb 2010 17:28:50 +0100 Subject: Work against the dreadful habit of concatenatingallmywords in identifiers. --- emergencyd.pl | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'emergencyd.pl') diff --git a/emergencyd.pl b/emergencyd.pl index 200881b..6019029 100755 --- a/emergencyd.pl +++ b/emergencyd.pl @@ -46,7 +46,7 @@ # binds to the IPv6 unspecified address with the IPV6_V6ONLY option # set to 0, thus listening on both IPv6 and IPv4 families. # -# -k specifies the keyfile to use. This file contains one +# -k specifies the key file to use. This file contains one # or more keys, one per line, which will all be equally valid when # computing the MAC. # @@ -72,19 +72,19 @@ getopts("k:p:f", \%opts); my @authorized_keys; -my $keyfilename = $opts{k}; -die "No key file specified (use -k option)" unless defined($keyfilename); -sub readkeys { - open my $keyfile, "<", $keyfilename +my $key_filename = $opts{k}; +die "No key file specified (use -k option)" unless defined($key_filename); +sub read_keys { + open my $key_file, "<", $key_filename or die "Cannot open key file $opts{k}: $!"; @authorized_keys = (); - while (<$keyfile>) { + while (<$key_file>) { chomp; push @authorized_keys, $_; } - close $keyfile; + close $key_file; } -readkeys; +read_keys; my $proto = getprotobyname("udp") or die "Can't resolve udp protocol: $!"; my $port; @@ -135,13 +135,13 @@ while (1) { send $socket, ("DATE\n".curtime."\n".$mintime."\n"), 0, $sender; } else { my $validate = "$command|$timestamp"; - my $macchecked = 0; + my $mac_checked = 0; foreach my $key ( @authorized_keys ) { if ( $maccheck eq hmac_sha256_hex($validate, $key) ) { - $macchecked = 1; + $mac_checked = 1; } } - unless ( $macchecked ) { + unless ( $mac_checked ) { send $socket, "!MAC\n", 0, $sender; next PACKET; } @@ -162,7 +162,7 @@ while (1) { exit 0; } elsif ( $command eq "RKEY" ) { my $resp = "DONE\n"; - eval { readkeys }; + eval { read_keys }; if ( $@ ) { $resp = "!ERR\n$@"; } -- cgit v1.2.3