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afresh1/agent-TWP-refactor.pl

Last active September 13, 2023 01:03
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mwl posted a script on his blog (https://mwl.io/archives/23082) that seems to indicate that he actually runs it.
Raw
agent-TWP-refactor.pl
#!/usr/bin/env perl
use v5.16;
use warnings;
#manages the narcissistic bibliography MIB
#deploy as:
#rocommunity megadweeb 0.0.0.0/0 1.3.6.1.4.1.55030
#rocommunity6 megadweeb 0::/0 1.3.6.1.4.1.55030
#pass_persist .1.3.6.1.4.1.55030.1.1.1 /usr/local/scripts/persistwp.pl
my $DEBUG = 0;
#open STDERR, '>', '/tmp/agent.log' or die $!;
#STDERR->autoflush(1);
#say STDERR "$_: $ENV{$_}" for sort keys %ENV;
my $place = ".1.3.6.1.4.1.55030.1.1.1"; # TWP mwlbooks OID
#$place = ".1.3.6.1.3.1"; #experimental OID for testing
$| = 1; #flush buffer after every print
#save the PID file
my $PIDFILE = "/var/run/pass_persist.pid";
if ( open my $fh, ">$PIDFILE" ) {
print $fh "$$\n";
close $fh;
}
else {
say STDERR "Unable to open PIDFILE $PIDFILE for writing";
}
#the data, FSM help us
my @columns = (
#column 0: invalid OID
undef,
#column 1: the row index, no key needed
{ type => 'integer' },
#column 2: the titles, where all goes bad
{ key => 'title', type => 'string' },
#column 3, year
{ key => 'year', type => 'integer' },
#column 4, type of book/genre
# 1 = fiction, 2 = nonfiction
{ key => 'genre', type => 'integer' },
#column 5, length
# 1 = full length, 2 = novella, 3 = story, 4 = anthology appearance
{ key => 'length', type => 'integer' },
);
my @books = (
undef, # Can't use 0 as an OID
{ 'genre' => 1,
'length' => 1,
'title' => 'Gatecrasher',
'year' => 1992,
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Believe it or Else!',
'year' => 1993
},
{ 'genre' => 1,
'length' => 2,
'title' =>
'SLUGS: The Satanic, Loathsome, Unholy Game System (as Greg Donner)',
'year' => 1994
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Gatecrasher 2nd edition',
'year' => 1995
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Women who Run with the Werewolves',
'year' => 1995
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Absolute BSD',
'year' => 2002
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Absolute OpenBSD',
'year' => 2003
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Cisco Routers for the Desperate',
'year' => 2004
},
{ 'genre' => 2,
'length' => 1,
'title' => 'PGP & GPG',
'year' => 2006
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Absolute FreeBSD, 2nd edition',
'year' => 2007
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Cisco Routers for the Desperate, 2nd edition',
'year' => 2009
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Network Flow Analysis',
'year' => 2010
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Horror Library volume 2',
'year' => 2010
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Opening the Eye',
'year' => 2011
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Breaking the Circle',
'year' => 2011
},
{ 'genre' => 2,
'length' => 1,
'title' => 'SSH Mastery',
'year' => 2012
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Vicious Redemption: Five Dark Fantasies',
'year' => 2012
},
{ 'genre' => 2,
'length' => 1,
'title' => 'DNSSEC Mastery',
'year' => 2013
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Sudo Mastery',
'year' => 2013
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Absolute OpenBSD, 2nd ed',
'year' => 2013
},
{ 'genre' => 1,
'length' => 3,
'title' => 'No More Lonesome Blue Rings',
'year' => 2013
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Sticky Supersaturation',
'year' => 2013
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Lavender',
'year' => 2013
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Pax Canina',
'year' => 2013
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Wednesday\'s Seagulls',
'year' => 2013
},
{ 'genre' => 2,
'length' => 1,
'title' => 'FreeBSD Mastery: Storage Essentials',
'year' => 2014
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Immortal Clay',
'year' => 2014
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Waking Up Yesterday',
'year' => 2014
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Calling Control',
'year' => 2014
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Moonlight\'s Apples',
'year' => 2014
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Networking for Systems Administrators',
'year' => 2015
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Tarsnap Mastery',
'year' => 2015
},
{ 'genre' => 2,
'length' => 1,
'title' => 'FreeBSD Mastery: ZFS',
'year' => 2015
},
{ 'genre' => 1,
'length' => 2,
'title' => 'Forever Falls',
'year' => 2015
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Spilled Mirovar (Prohibition Orcs 1)',
'year' => 2015
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Whisker Line',
'year' => 2015
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Wifi and Romex',
'year' => 2015
},
{ 'genre' => 2,
'length' => 1,
'title' => 'PAM Mastery',
'year' => 2016
},
{ 'genre' => 2,
'length' => 1,
'title' => 'FreeBSD Mastery: Advanced ZFS',
'year' => 2016
},
{ 'genre' => 2,
'length' => 1,
'title' => 'FreeBSD Mastery: Advanced ZedFS',
'year' => 2016
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Kipuka Blues (Immortal Clay #2)',
'year' => 2016
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Hydrogen Sleets',
'year' => 2016
},
{ 'genre' => 1,
'length' => 2,
'title' => 'Drowned Mirovar (Prohibition Orcs #2)',
'year' => 2016
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Butterfly Stomp Waltz (Beaks #1)',
'year' => 2016
},
{ 'genre' => 1,
'length' => 2,
'title' => 'Earthquake Kitten Kiss (Beaks spin-off)',
'year' => 2016
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Butterfly Stomp (Beaks #0)',
'year' => 2016
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Forced to Talk, Like, With Your Mouth',
'year' => 2016
},
{ 'genre' => 2,
'length' => 1,
'title' => 'FreeBSD Mastery: Specialty Filesystems',
'year' => 2016
},
{ 'genre' => 1,
'length' => 1,
'title' => 'git commit murder',
'year' => 2017
},
{ 'genre' => 1,
'length' => 3,
'title' => 'savaged by systemd',
'year' => 2017
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Httpd and Relayd Mastery',
'year' => 2017
},
{ 'genre' => 2,
'length' => 2,
'title' => 'Ed Mastery',
'year' => 2018
},
{ 'genre' => 2,
'length' => 2,
'title' => 'Ed Mastery, Manly McManface Edition',
'year' => 2018
},
{ 'genre' => 2,
'length' => 1,
'title' => 'SSH Mastery, 2nd edition',
'year' => 2018
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Absolute FreeBSD, 3rd edition',
'year' => 2018
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Bedazzled by Blockchain',
'year' => 2018
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Face Less',
'year' => 2018
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Boundary Shock: Tuesday After Next',
'year' => 2018
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Boundary Shock: Robots, Androids, Cyborgs, Oh My!',
'year' => 2018
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Sudo Mastery, 2nd edition',
'year' => 2019
},
{ 'genre' => 2,
'length' => 1,
'title' => 'FreeBSD Mastery: Jails',
'year' => 2019
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Terrapin Sky Tango (Beaks #2)',
'year' => 2019
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Winner Breaks All',
'year' => 2019
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Boundary Shock: Apocalypse Descending',
'year' => 2019
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Fiction River: Superstitious',
'year' => 2019
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Snot-Nosed Aliens',
'year' => 2019
},
{ 'genre' => 1,
'length' => 4,
'title' => 'An Interpretation of Moles',
'year' => 2019
},
{ 'genre' => 2,
'length' => 1,
'title' => 'SNMP Mastery',
'year' => 2020
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Boundary Shock: Alien Dreams',
'year' => 2020
},
{ 'genre' => 2,
'length' => 1,
'title' => 'The Networknomicon',
'year' => 2020
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Cash Flow for Creators',
'year' => 2020
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Boundary Shock: What Might Have Been',
'year' => 2020
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Face The Strange',
'year' => 2020
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Bloody Christmas',
'year' => 2020
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Drinking Heavy Water',
'year' => 2020
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Final Gift',
'year' => 2020
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Woolen Torment',
'year' => 2020
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Drums with Delusions of Godhood',
'year' => 2020
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Uncollected Anthology: Deities',
'year' => 2020
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Drag Air Through Fire',
'year' => 2021
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Aidan Redding Against the Universes',
'year' => 2021
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Fiction River: Chances',
'year' => 2021
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Fiction River: Dark and Deadly Passions',
'year' => 2021
},
{ 'genre' => 2,
'length' => 1,
'title' => 'TLS Mastery',
'year' => 2021
},
{ 'genre' => 2,
'length' => 2,
'title' => 'Only Footnotes',
'year' => 2021
},
{ 'genre' => 1,
'length' => 1,
'title' => 'git sync murder',
'year' => 2021
},
{ 'genre' => 1,
'length' => 4,
'title' => 'The Holiday Spectacular #2',
'year' => 2021
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Boundary Shock: Wandering Monsters',
'year' => 2021
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Fantastic Christmas',
'year' => 2021
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Mysterious Christmas',
'year' => 2021
},
{ 'genre' => 1,
'length' => 3,
'title' => 'Witness November',
'year' => 2021
},
{ 'genre' => 2,
'length' => 1,
'title' => 'Domesticate Your Badgers',
'year' => 2022
},
{ 'genre' => 2,
'length' => 1,
'title' => 'DNSSEC Mastery, 2nd edition',
'year' => 2022
},
{ 'genre' => 2,
'length' => 2,
'title' =>
'Letters from ed(1): The FreeBSD Journal Letters column, years 1-3',
'year' => 2022
},
{ 'genre' => 1,
'length' => 4,
'title' => 'Fiction River: Broken Dreams',
'year' => 2022
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Prohibition Orcs',
'year' => 2022
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Frozen Talons',
'year' => 2022
},
{ 'genre' => 2,
'length' => 1,
'title' => 'OpenBSD Mastery: Filesystems',
'year' => 2023
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Devotion and Corrosion',
'year' => 2023
},
{ 'genre' => 1,
'length' => 3,
'title' =>
'The Rats\' Man\'s Lackey and the Half Gallon of Christmas Miracle',
'year' => 2023
},
{ 'genre' => 1,
'length' => 2,
'title' => 'The Rats\' Man\'s Lackey and the Delphi Taco',
'year' => 2023
},
{ 'genre' => 1,
'length' => 1,
'title' => 'Apocalypse Moi',
'year' => 2023
}
);
while (<>) {
if (m!^PING!) {
say "PONG";
next;
}
say STDERR "\n========" if $DEBUG;
my $command = $_;
chomp($command);
say STDERR "Command is $command" if $DEBUG;
unless ( $command eq "get" or $command eq "getnext" ) {
say STDERR "not a valid command, die die die" if $DEBUG;
say "NONE";
next;
}
my $inoid = <>;
chomp($inoid);
say STDERR "raw OID is $inoid" if $DEBUG;
#sanity check, parsing
#is this our MIB?
unless ( $inoid =~ s/\Q$place// ) {
say STDERR "not our OID, die die die" if $DEBUG;
say "NONE";
next;
}
if ($DEBUG) {
say STDERR "our OID!";
say STDERR "converted to $inoid";
}
#make parseable
unless ( $inoid =~ /^
(?:\. (?<column_id>[0-9]+) )?
(?:\. (?<book_id> [0-9]+) )?
(?<detrius> (?:\.[0-9]+)* )
$/x ) {
say STDERR "not a valid OID, die die die" if $DEBUG;
say "NONE";
next;
}
my ( $column_id, $book_id, $detritus )
= @+{qw< column_id book_id detritus >};
if ($DEBUG) {
no warnings 'uninitialized';
say STDERR "Column is $column_id";
say STDERR "Row is $book_id";
say STDERR "Detritus is $detritus";
}
#if $detritus exists: not valid, reject on GET
if ( $command eq "get" and $detritus ) {
say "NONE";
next;
}
if ( $command eq "getnext" ) {
#next OID will be:
#$place.$column_id.$book_id++
$book_id++;
if ( $book_id > $#books ) {
$column_id++;
$book_id = 1;
}
elsif ( !$column_id or $column_id == 0 ) {
$column_id = 1;
}
say STDERR "Next is $column_id.$book_id" if $DEBUG;
}
# GET requests - check for valid instance
my $book = $books[$book_id // 0];
my $column = $columns[$column_id // 0];
unless ( $book and $column ) {
say STDERR "Row or column is not valid DIE DIE DIE" if $DEBUG;
say "NONE";
next;
}
say STDERR "Both column and row are valid" if $DEBUG;
my $returnoid = $place . '.' . $column_id . '.' . $book_id;
say STDERR "returnoid is $returnoid" if $DEBUG;
#no matter what, we print the returned OID
say STDERR "Script output is:" if $DEBUG;
say STDERR "$returnoid\\n$column->{type}\\n"
. ( $column->{key} ? $book->{ $column->{key} } : $book_id )
if $DEBUG;
say $returnoid;
say $column->{type};
# The column without a key is the index column
say $column->{key} ? $book->{ $column->{key} } : $book_id;
} #end of program
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