| 1 |
#!/opt/bin/perl |
| 2 |
|
| 3 |
=head1 NAME |
| 4 |
|
| 5 |
aemp - AnyEvent:MP utility |
| 6 |
|
| 7 |
=head1 SYNOPSIS |
| 8 |
|
| 9 |
aemp command args... |
| 10 |
|
| 11 |
# protocol commands |
| 12 |
aemp snd <port> <arg...> # send a message |
| 13 |
aemp mon <port> # wait till port is killed |
| 14 |
|
| 15 |
# node configuration: secret |
| 16 |
aemp gensecret # generate a random shared secret |
| 17 |
aemp setsecret <secret> # set the shared secret |
| 18 |
aemp clrsecret # remove the secret |
| 19 |
|
| 20 |
# node configuration: TLS |
| 21 |
aemp setcert <file> # set a certificate (key.pem + certificate.pem) |
| 22 |
aemp clrcert # remove certificate |
| 23 |
aemp gencert # generate a random certificate |
| 24 |
|
| 25 |
=head1 DESCRIPTION |
| 26 |
|
| 27 |
With aemp you can configure various aspects of AnyEvent::MP and it's protocol. |
| 28 |
|
| 29 |
=cut |
| 30 |
|
| 31 |
use common::sense; |
| 32 |
|
| 33 |
use Carp (); |
| 34 |
|
| 35 |
use AnyEvent; |
| 36 |
use AnyEvent::Util; |
| 37 |
|
| 38 |
use AnyEvent::MP::Config; |
| 39 |
use AnyEvent::MP; |
| 40 |
|
| 41 |
sub my_run_cmd { |
| 42 |
my ($cmd) = @_; |
| 43 |
|
| 44 |
my $cv = &run_cmd; |
| 45 |
my $status = $cv->recv; |
| 46 |
|
| 47 |
$status |
| 48 |
and die "@$cmd: command failed with exit status $status."; |
| 49 |
} |
| 50 |
|
| 51 |
sub gen_cert { |
| 52 |
my_run_cmd [qw(openssl req |
| 53 |
-new -nodes -x509 -days 3650 |
| 54 |
-newkey rsa:2048 -keyout /dev/fd/3 |
| 55 |
-batch -subj /CN=AnyEvent::MP |
| 56 |
)], |
| 57 |
"</", "dev/null", |
| 58 |
">" , \my $cert, |
| 59 |
"3>", \my $key, |
| 60 |
"2>", "/dev/null"; |
| 61 |
|
| 62 |
"$cert$key" |
| 63 |
} |
| 64 |
|
| 65 |
our $cfg = \%AnyEvent::MP::Config::CFG; |
| 66 |
our $nodecfg = $cfg; |
| 67 |
|
| 68 |
sub resolve_port { |
| 69 |
my ($node, $port) = split /#/, $_[0], 2; |
| 70 |
|
| 71 |
$node = (resolve_node $node)->recv; |
| 72 |
"$node#$port" |
| 73 |
} |
| 74 |
|
| 75 |
our %CMD = ( |
| 76 |
snd => sub { |
| 77 |
my $port = resolve_port shift @ARGV; |
| 78 |
initialise_node "slave/", node_of $port; |
| 79 |
|
| 80 |
snd $port, @ARGV; |
| 81 |
|
| 82 |
my $cv = AE::cv; |
| 83 |
mon $port, $cv; |
| 84 |
my $reply = port { &$cv }; |
| 85 |
snd node_of $port, relay => $reply, "ok"; |
| 86 |
|
| 87 |
print join " ", $cv->recv, "\n"; |
| 88 |
}, |
| 89 |
|
| 90 |
mon => sub { |
| 91 |
my $port = resolve_port shift @ARGV; |
| 92 |
initialise_node "slave/", node_of $port; |
| 93 |
|
| 94 |
mon $port, my $cv = AE::cv; |
| 95 |
print join " ", $cv->recv, "\n"; |
| 96 |
}, |
| 97 |
|
| 98 |
setsecret => sub { |
| 99 |
@ARGV == 1 |
| 100 |
or die "shared secret missing\n"; |
| 101 |
|
| 102 |
$nodecfg->{secret} = shift @ARGV; |
| 103 |
++$cfg->{dirty}; |
| 104 |
}, |
| 105 |
gensecret => sub { |
| 106 |
$nodecfg->{secret} = AnyEvent::MP::Base::asciibits AnyEvent::MP::Base::nonce 64; |
| 107 |
++$cfg->{dirty}; |
| 108 |
}, |
| 109 |
clrsecret => sub { |
| 110 |
delete $nodecfg->{secret}; |
| 111 |
++$cfg->{dirty}; |
| 112 |
}, |
| 113 |
|
| 114 |
setcert => sub { |
| 115 |
@ARGV == 1 |
| 116 |
or die "key+certificate pem filename missing\n"; |
| 117 |
|
| 118 |
open my $fh, "<", $ARGV[0] |
| 119 |
or die "$ARGV[0]: $!"; |
| 120 |
|
| 121 |
local $/; |
| 122 |
$nodecfg->{cert} = <$fh>; |
| 123 |
++$cfg->{dirty}; |
| 124 |
}, |
| 125 |
gencert => sub { |
| 126 |
$nodecfg->{cert} = gen_cert; |
| 127 |
++$cfg->{dirty}; |
| 128 |
}, |
| 129 |
clrcert => sub { |
| 130 |
delete $nodecfg->{cert}; |
| 131 |
++$cfg->{dirty}; |
| 132 |
}, |
| 133 |
); |
| 134 |
|
| 135 |
sub docmd { |
| 136 |
my $cmd = shift @ARGV; |
| 137 |
|
| 138 |
$CMD{$cmd} |
| 139 |
or die "$cmd: no such aemp command (try man aemp)"; |
| 140 |
|
| 141 |
$CMD{$cmd}(); |
| 142 |
} |
| 143 |
|
| 144 |
@ARGV |
| 145 |
or die "Usage: aemp subcommand ... (try man aemp)\n"; |
| 146 |
|
| 147 |
docmd; |
| 148 |
|
| 149 |
|
