479 lines
16 KiB
Perl
479 lines
16 KiB
Perl
#! /usr/bin/perl -W
|
|
#
|
|
# yapfaq Version 0.6 by Thomas Hochstein
|
|
# (Original author: Marc Brockschmidt)
|
|
#
|
|
# This script posts any project described in its config-file. Most people
|
|
# will use it in combination with cron(8).
|
|
#
|
|
# Copyright (C) 2003 Marc Brockschmidt <marc@marcbrockschmidt.de>
|
|
# Copyright (c) 2010 Thomas Hochstein <thh@inter.net>
|
|
#
|
|
# It can be redistributed and/or modified under the same terms under
|
|
# which Perl itself is published.
|
|
|
|
my $Version = "0.6-unreleased";
|
|
|
|
my $NNTPServer = "localhost";
|
|
my $NNTPUser = "";
|
|
my $NNTPPass = "";
|
|
my $Sender = "";
|
|
my $ConfigFile = "yapfaq.cfg";
|
|
my $UsePGP = 0;
|
|
|
|
################################## PGP-Config #################################
|
|
|
|
my $pgp = '/usr/bin/pgp'; # path to pgp
|
|
my $PGPVersion = '2'; # Use 2 for 2.X, 5 for PGP > 2.X and GPG for GPG
|
|
|
|
my $PGPSigner = ''; # sign as who?
|
|
my $PGPPass = ''; # pgp2 only
|
|
my $PathtoPGPPass = ''; # pgp2, pgp5 and gpg
|
|
|
|
|
|
my $pgpbegin ='-----BEGIN PGP SIGNATURE-----';# Begin of PGP-Signature
|
|
my $pgpend ='-----END PGP SIGNATURE-----'; # End of PGP-Signature
|
|
my $pgptmpf ='pgptmp'; # temporary file for PGP.
|
|
my $pgpheader ='X-PGP-Sig';
|
|
|
|
my @PGPSignHeaders = ('From', 'Newsgroups', 'Subject', 'Control',
|
|
'Supersedes', 'Followup-To', 'Date', 'Sender', 'Approved',
|
|
'Message-ID', 'Reply-To', 'Cancel-Lock', 'Cancel-Key',
|
|
'Also-Control', 'Distribution');
|
|
|
|
my @PGPorderheaders = ('from', 'newsgroups', 'subject', 'control',
|
|
'supersedes', 'followup-To', 'date', 'organization', 'lines',
|
|
'sender', 'approved', 'distribution', 'message-id',
|
|
'references', 'reply-to', 'mime-version', 'content-type',
|
|
'content-transfer-encoding', 'summary', 'keywords', 'cancel-lock',
|
|
'cancel-key', 'also-control', 'x-pgp', 'user-agent');
|
|
|
|
############################# End of Configuration #############################
|
|
|
|
use strict;
|
|
use Net::NNTP;
|
|
use Date::Calc qw(Add_Delta_YM Add_Delta_Days Delta_Days Today);
|
|
use Fcntl ':flock'; # import LOCK_* constants
|
|
use Getopt::Std;
|
|
my ($TDY, $TDM, $TDD) = Today(); #TD: Today's date
|
|
|
|
my %Options;
|
|
getopts('hvpdt:f:', \%Options);
|
|
if ($Options{'h'}) {
|
|
print "$0 v $Version\nUsage: $0 [-hvpd] [-t <newsgroups>] [-f <faq>]\n";
|
|
exit(0);
|
|
};
|
|
my ($Faq) = $Options{'f'} if ($Options{'f'});
|
|
|
|
my @Config;
|
|
readconfig (\$ConfigFile, \@Config, \$Faq);
|
|
|
|
foreach (@Config) {
|
|
my ($LPD,$LPM,$LPY) = (01, 01, 0001); #LP: Last posting-date
|
|
my ($NPY,$NPM,$NPD); #NP: Next posting-date
|
|
my $SupersedeMID;
|
|
|
|
my ($ActName,$File,$PFreq,$Expire) =($$_{'name'},$$_{'file'},$$_{'posting-frequency'},$$_{'expires'});
|
|
my ($From,$Subject,$NG,$Fup2)=($$_{'from'},$$_{'subject'},$$_{'ngs'},$$_{'fup2'});
|
|
my ($MIDF,$ReplyTo,$ExtHea)=($$_{'mid-format'},$$_{'reply-to'},$$_{'extraheader'});
|
|
my ($Supersede) =($$_{'supersede'});
|
|
|
|
next if (defined($Faq) && $ActName ne $Faq);
|
|
|
|
if (open (FH, "<$File.cfg")) {
|
|
while(<FH>){
|
|
if (/##;; Lastpost:\s*(\d{1,2})\.(\d{1,2})\.(\d{2}(\d{2})?)/){
|
|
($LPD, $LPM, $LPY) = ($1, $2, $3);
|
|
} elsif (/^##;;\s*LastMID:\s*(<\S+@\S+>)\s*$/) {
|
|
$SupersedeMID = $1;
|
|
}
|
|
}
|
|
close FH;
|
|
} else {
|
|
warn "$0: W: Couldn't open $File.cfg: $!\n";
|
|
}
|
|
|
|
$SupersedeMID = "" unless $Supersede;
|
|
|
|
($NPY,$NPM,$NPD) = calcdelta ($LPY,$LPM,$LPD,$PFreq);
|
|
|
|
if (Delta_Days($NPY,$NPM,$NPD,$TDY,$TDM,$TDD) >= 0 or ($Options{'p'})) {
|
|
if($Options{'d'}) {
|
|
print "$ActName: Would be posted now (but running in simulation mode [$0 -d]).\n" if $Options{'v'};
|
|
} else {
|
|
postfaq(\$ActName,\$File,\$From,\$Subject,\$NG,\$Fup2,\$MIDF,\$ExtHea,\$Sender,\$TDY,\$TDM,\$TDD,\$ReplyTo,\$SupersedeMID,\$Expire);
|
|
}
|
|
} elsif($Options{'v'}) {
|
|
print "$ActName: Nothing to do.\n";
|
|
}
|
|
}
|
|
|
|
exit;
|
|
|
|
################################## readconfig ##################################
|
|
# Takes a filename, a reference to an array, which will hold hashes with
|
|
# the data from $File, and - optionally - the name of the (single) FAQ to post
|
|
|
|
sub readconfig{
|
|
my ($File, $Config, $Faq) = @_;
|
|
my ($LastEntry, $Error, $i) = ('','',0);
|
|
|
|
if($Options{'v'}) {
|
|
print "Reading configuration.\n";
|
|
}
|
|
|
|
open FH, "<$$File" or die "$0: E: Can't open $$File: $!";
|
|
while (<FH>) {
|
|
next if (defined($$Faq) && !/^\s*=====\s*$/ && defined($$Config[$i]{'name'}) && $$Config[$i]{'name'} ne $$Faq );
|
|
if (/^(\s*(\S+)\s*=\s*'?(.*?)'?\s*(#.*$|$)|^(.*?)'?\s*(#.*$|$))/ && not /^\s*$/) {
|
|
$LastEntry = lc($2) if $2;
|
|
$$Config[$i]{$LastEntry} .= $3 if $3;
|
|
$$Config[$i]{$LastEntry} .= "\n$5" if $5 && $5;
|
|
}
|
|
if (/^\s*=====\s*$/) {
|
|
$i++;
|
|
}
|
|
}
|
|
close FH;
|
|
|
|
#Check saved values:
|
|
for $i (0..$i){
|
|
next if (defined($$Faq) && defined($$Config[$i]{'name'}) && $$Config[$i]{'name'} ne $$Faq );
|
|
unless($$Config[$i]{'from'} =~ /\S+\@(\S+\.)?\S{2,}\.\S{2,}/) {
|
|
$Error .= "E: The From-header for your project \"$$Config[$i]{'name'}\" seems to be incorrect.\n"
|
|
}
|
|
unless($$Config[$i]{'ngs'} =~ /^\S+$/) {
|
|
$Error .= "E: The Newsgroups-header for your project \"$$Config[$i]{'name'}\" contains whitespaces.\n"
|
|
}
|
|
unless(!$$Config[$i]{'fup2'} || $$Config[$i]{'fup2'} =~ /^\S+$/) {
|
|
$Error .= "E: The Followup-To-header for your project \"$$Config[$i]{'name'}\" contains whitespaces.\n"
|
|
}
|
|
unless($$Config[$i]{'posting-frequency'} =~ /^\s*\d+\s*[dwmy]\s*$/) {
|
|
$Error .= "E: The Posting-frequency for your project \"$$Config[$i]{'name'}\" is invalid.\n"
|
|
}
|
|
unless($$Config[$i]{'expires'} =~ /^\s*\d+\s*[dwmy]\s*$/) {
|
|
$$Config[$i]{'expires'} = '3m'; # set default: 3 month
|
|
warn "$0: W: The Expires for your project \"$$Config[$i]{'name'}\" is invalid - set to 3 month.\n";
|
|
}
|
|
$Error .= "-" x 25 . "\n" if $Error;
|
|
}
|
|
die $Error if $Error;
|
|
}
|
|
|
|
################################# calcdelta #################################
|
|
# Takes a date (year, month and day) and a time period (1d, 1w, 1m, 1y, ...)
|
|
# and adds the latter to the former
|
|
|
|
sub calcdelta {
|
|
my ($Year, $Month, $Day, $Period) = @_;
|
|
my ($NYear, $NMonth, $NDay);
|
|
|
|
if ($Period =~ /(\d+)\s*([dw])/) { # Is counted in days or weeks: Use Add_Delta_Days.
|
|
($NYear, $NMonth, $NDay) = Add_Delta_Days($Year, $Month, $Day, (($2 eq "w")?$1 * 7: $1 * 1));
|
|
} elsif ($Period =~ /(\d+)\s*([my])/) { #Is counted in months or years: Use Add_Delta_YM
|
|
($NYear, $NMonth, $NDay) = Add_Delta_YM($Year, $Month, $Day, (($2 eq "m")?(0,$1):($1,0)));
|
|
}
|
|
return ($NYear, $NMonth, $NDay);
|
|
}
|
|
|
|
################################## postfaq ##################################
|
|
# Takes a filename and many other vars.
|
|
#
|
|
# It reads the data-file $File and then posts the article.
|
|
|
|
sub postfaq {
|
|
my ($ActName,$File,$From,$Subject,$NG,$Fup2,$MIDF,$ExtraHeaders,$Sender,$TDY,$TDM,$TDD,$ReplyTo,$Supersedes,$Expire) = @_;
|
|
my (@Header,@Body,$MID,$InRealBody,$LastModified);
|
|
|
|
if($Options{'v'}) {
|
|
print "$$ActName: Preparing to post.\n";
|
|
}
|
|
|
|
#Prepare MID:
|
|
$$TDM = ($$TDM < 10 && $$TDM !~ /^0/) ? "0" . $$TDM : $$TDM;
|
|
$$TDD = ($$TDD < 10 && $$TDD !~ /^0/) ? "0" . $$TDD : $$TDD;
|
|
|
|
$MID = $$MIDF;
|
|
$MID =~ s/\%n/$$ActName/g;
|
|
$MID =~ s/\%d/$$TDD/g;
|
|
$MID =~ s/\%m/$$TDM/g;
|
|
$MID =~ s/\%y/$$TDY/g;
|
|
|
|
|
|
#Now get the body:
|
|
open (FH, "<$$File");
|
|
while (<FH>){
|
|
s/\r//;
|
|
push (@Body, $_), next if $InRealBody;
|
|
$InRealBody++ if /^$/;
|
|
$LastModified = $1 if /^Last-modified: (\S+)$/i;
|
|
push @Body, $_;
|
|
}
|
|
close FH;
|
|
push @Body, "\n" if ($Body[-1] ne "\n");
|
|
|
|
#Create Date- and Expires-Header:
|
|
my @time = localtime;
|
|
my $ss = ($time[0]<10) ? "0" . $time[0] : $time[0];
|
|
my $mm = ($time[1]<10) ? "0" . $time[1] : $time[1];
|
|
my $hh = ($time[2]<10) ? "0" . $time[2] : $time[2];
|
|
my $day = $time[3];
|
|
my $month = ($time[4]+1<10) ? "0" . ($time[4]+1) : $time[4]+1;
|
|
my $monthN = ("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec")[$time[4]];
|
|
my $wday = ("Sun","Mon","Tue","Wed","Thu","Fri","Sat")[$time[6]];
|
|
my $year = (1900 + $time[5]);
|
|
my $tz = $time[8] ? " +0200" : " +0100";
|
|
|
|
my ($expY,$expM,$expD) = calcdelta ($year,$month,$day,$$Expire);
|
|
my $expmonthN = ("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec")[$expM-1];
|
|
|
|
my $date = "$day $monthN $year " . $hh . ":" . $mm . ":" . $ss . $tz;
|
|
my $expdate = "$expD $expmonthN $expY $hh:$mm:$ss$tz";
|
|
|
|
#Replace %LM by the content of the news.answer-pseudo-header Last-modified:
|
|
if ($LastModified) {
|
|
$$Subject =~ s/\%LM/$LastModified/;
|
|
}
|
|
|
|
# Test mode?
|
|
if($Options{'t'} and $Options{'t'} !~ /console/i) {
|
|
$$NG = $Options{'t'};
|
|
}
|
|
|
|
#Now create the complete Header:
|
|
push @Header, "From: $$From\n";
|
|
push @Header, "Newsgroups: $$NG\n";
|
|
push @Header, "Followup-To: $$Fup2\n" if $$Fup2;
|
|
push @Header, "Subject: $$Subject\n";
|
|
push @Header, "Message-ID: $MID\n";
|
|
push @Header, "Supersedes: $$Supersedes\n" if $$Supersedes;
|
|
push @Header, "Date: $date\n";
|
|
push @Header, "Expires: $expdate\n";
|
|
push @Header, "Sender: $$Sender\n" if $$Sender;
|
|
push @Header, "Mime-Version: 1.0\n";
|
|
push @Header, "Reply-To: $$ReplyTo\n" if $$ReplyTo;
|
|
push @Header, "Content-Type: text/plain; charset=ISO-8859-15\n";
|
|
push @Header, "Content-Transfer-Encoding: 8bit\n";
|
|
push @Header, "User-Agent: yapfaq/$Version\n";
|
|
if ($$ExtraHeaders) {
|
|
push @Header, "$_\n" for (split /\n/, $$ExtraHeaders);
|
|
}
|
|
|
|
my @Article = ($UsePGP)?@{signpgp(\@Header, \@Body)}:(@Header, "\n", @Body);
|
|
|
|
if($Options{'v'}) {
|
|
print "$$ActName: Posting article ...\n";
|
|
}
|
|
post(\@Article);
|
|
|
|
if($Options{'v'}) {
|
|
print "$$ActName: Save status information.\n";
|
|
}
|
|
|
|
open (FH, ">$$File.cfg") or die "$0: E: Can't open $$File.cfg: $!";
|
|
print FH "##;; Lastpost: $day.$month.$year\n";
|
|
print FH "##;; LastMID: $MID\n";
|
|
close FH;
|
|
}
|
|
|
|
################################## post ##################################
|
|
# Takes a complete article (Header and Body).
|
|
#
|
|
# It opens a connection to $NNTPServer and posts the message.
|
|
|
|
sub post {
|
|
my ($ArticleR) = @_;
|
|
|
|
# Test mode?
|
|
if(defined($Options{'t'}) and $Options{'t'} =~ /console/i) {
|
|
print "\n-----BEGIN--------------------------------------------------\n";
|
|
print @$ArticleR;
|
|
print "\n------END---------------------------------------------------\n";
|
|
return;
|
|
}
|
|
|
|
my $NewsConnection = Net::NNTP->new($NNTPServer, Reader => 1)
|
|
or die "$0: E: Can't connect to news server '$NNTPServer'!\n";
|
|
|
|
$NewsConnection->authinfo ($NNTPUser, $NNTPPass);
|
|
$NewsConnection->post();
|
|
$NewsConnection->datasend (@$ArticleR);
|
|
$NewsConnection->dataend();
|
|
|
|
if (!$NewsConnection->ok()) {
|
|
open FH, ">>ERROR.dat";
|
|
print FH "\nPosting failed! Saving to ERROR.dat. Response from news server:\n";
|
|
print FH $NewsConnection->code();
|
|
print FH $NewsConnection->message();
|
|
print FH "\n";
|
|
print FH @$ArticleR;
|
|
print FH "-" x 80, "\n";
|
|
close FH;
|
|
}
|
|
|
|
$NewsConnection->quit();
|
|
}
|
|
|
|
#-------- sub getpgpcommand
|
|
# getpgpcommand generates the command to sign the message and returns it.
|
|
#
|
|
# Receives:
|
|
# - $PGPVersion: A scalar holding the PGPVersion
|
|
sub getpgpcommand {
|
|
my ($PGPVersion) = @_;
|
|
my $PGPCommand;
|
|
|
|
if ($PGPVersion eq '2') {
|
|
if ($PathtoPGPPass && !$PGPPass) {
|
|
open (PGPPW, $PathtoPGPPass) or die "$0: E: Can't open $PathtoPGPPass: $!";
|
|
$PGPPass = <PGPPW>;
|
|
close PGPPW;
|
|
}
|
|
|
|
if ($PGPPass) {
|
|
$PGPCommand = "PGPPASS=\"".$PGPPass."\" ".$pgp." -u \"".$PGPSigner."\" +verbose=0 language='en' -saft <".$pgptmpf.".txt >".$pgptmpf.".txt.asc";
|
|
} else {
|
|
die "$0: E: PGP-Passphrase is unknown!\n";
|
|
}
|
|
} elsif ($PGPVersion eq '5') {
|
|
if ($PathtoPGPPass) {
|
|
$PGPCommand = "PGPPASSFD=2 ".$pgp."s -u \"".$PGPSigner."\" -t --armor -o ".$pgptmpf.".txt.asc -z -f < ".$pgptmpf.".txt 2<".$PathtoPGPPass;
|
|
} else {
|
|
die "$0: E: PGP-Passphrase is unknown!\n";
|
|
}
|
|
} elsif ($PGPVersion =~ m/GPG/io) {
|
|
if ($PathtoPGPPass) {
|
|
$PGPCommand = $pgp." --digest-algo MD5 -a -u \"".$PGPSigner."\" -o ".$pgptmpf.".txt.asc --no-tty --batch --passphrase-fd 2 2<".$PathtoPGPPass." --clearsign ".$pgptmpf.".txt";
|
|
} else {
|
|
die "$0: E: Passphrase is unknown!\n";
|
|
}
|
|
} else {
|
|
die "$0: E: Unknown PGP-Version $PGPVersion!";
|
|
}
|
|
return $PGPCommand;
|
|
}
|
|
|
|
|
|
#-------- sub signarticle
|
|
# signarticle signs an articel and returns a reference to an array
|
|
# containing the whole signed Message.
|
|
#
|
|
# Receives:
|
|
# - $HeaderAR: A reference to a array containing the articles headers.
|
|
# - $BodyR: A reference to an array containing the body.
|
|
#
|
|
# Returns:
|
|
# - $MessageRef: A reference to an array containing the whole message.
|
|
sub signpgp {
|
|
my ($HeaderAR, $BodyR) = @_;
|
|
my (@pgphead, @pgpbody, $pgphead, $pgpbody, $header, $signheaders, @signheaders, $currentheader, $HeaderR, $line);
|
|
|
|
foreach my $line (@$HeaderAR) {
|
|
if ($line =~ /^(\S+):\s+(.*)$/s) {
|
|
$currentheader = $1;
|
|
$$HeaderR{lc($currentheader)} = "$1: $2";
|
|
} else {
|
|
$$HeaderR{lc($currentheader)} .= $line;
|
|
}
|
|
}
|
|
|
|
foreach (@PGPSignHeaders) {
|
|
if (defined($$HeaderR{lc($_)}) && $$HeaderR{lc($_)} =~ m/^[^\s:]+: .+/o) {
|
|
push @signheaders, $_;
|
|
}
|
|
}
|
|
|
|
$pgpbody = join ("", @$BodyR);
|
|
|
|
# Delete and create the temporary pgp-Files
|
|
unlink "$pgptmpf.txt";
|
|
unlink "$pgptmpf.txt.asc";
|
|
$signheaders = join(",", @signheaders);
|
|
|
|
$pgphead = "X-Signed-Headers: $signheaders\n";
|
|
foreach $header (@signheaders) {
|
|
if ($$HeaderR{lc($header)} =~ m/^[^\s:]+: (.+?)\n?$/so) {
|
|
$pgphead .= $header.": ".$1."\n";
|
|
}
|
|
}
|
|
|
|
open(FH, ">" . $pgptmpf . ".txt") or die "$0: E: can't open $pgptmpf: $!\n";
|
|
print FH $pgphead, "\n", $pgpbody;
|
|
print FH "\n" if ($PGPVersion =~ m/GPG/io); # workaround a pgp/gpg incompatibility - should IMHO be fixed in pgpverify
|
|
close(FH) or warn "$0: W: Couldn't close TMP: $!\n";
|
|
|
|
# Start PGP, then read the signature;
|
|
my $PGPCommand = getpgpcommand($PGPVersion);
|
|
`$PGPCommand`;
|
|
|
|
open (FH, "<" . $pgptmpf . ".txt.asc") or die "$0: E: can't open ".$pgptmpf.".txt.asc: $!\n";
|
|
$/ = "$pgpbegin\n";
|
|
$_ = <FH>;
|
|
unless (m/\Q$pgpbegin\E$/o) {
|
|
# unlink $pgptmpf . ".txt";
|
|
# unlink $pgptmpf . ".txt.asc";
|
|
die "$0: E: $pgpbegin not found in ".$pgptmpf.".txt.asc\n"
|
|
}
|
|
unlink($pgptmpf . ".txt") or warn "$0: W: Couldn't unlink $pgptmpf.txt: $!\n";
|
|
|
|
$/ = "\n";
|
|
$_ = <FH>;
|
|
unless (m/^Version: (\S+)(?:\s(\S+))?/o) {
|
|
unlink $pgptmpf . ".txt";
|
|
unlink $pgptmpf . ".txt.asc";
|
|
die "$0: E: didn't find PGP Version line where expected.\n";
|
|
}
|
|
|
|
if (defined($2)) {
|
|
$$HeaderR{$pgpheader} = $1."-".$2." ".$signheaders;
|
|
} else {
|
|
$$HeaderR{$pgpheader} = $1." ".$signheaders;
|
|
}
|
|
|
|
do { # skip other pgp headers like
|
|
$_ = <FH>; # "charset:"||"comment:" until empty line
|
|
} while ! /^$/;
|
|
|
|
while (<FH>) {
|
|
chomp;
|
|
last if /^\Q$pgpend\E$/;
|
|
$$HeaderR{$pgpheader} .= "\n\t$_";
|
|
}
|
|
|
|
$$HeaderR{$pgpheader} .= "\n" unless ($$HeaderR{$pgpheader} =~ /\n$/s);
|
|
|
|
$_ = <FH>;
|
|
unless (eof(FH)) {
|
|
unlink $pgptmpf . ".txt";
|
|
unlink $pgptmpf . ".txt.asc";
|
|
die "$0: E: unexpected data following $pgpend\n";
|
|
}
|
|
close(FH);
|
|
unlink "$pgptmpf.txt.asc";
|
|
|
|
my $tmppgpheader = $pgpheader . ": " . $$HeaderR{$pgpheader};
|
|
delete $$HeaderR{$pgpheader};
|
|
|
|
@pgphead = ();
|
|
foreach $header (@PGPorderheaders) {
|
|
if ($$HeaderR{$header} && $$HeaderR{$header} ne "\n") {
|
|
push(@pgphead, "$$HeaderR{$header}");
|
|
delete $$HeaderR{$header};
|
|
}
|
|
}
|
|
|
|
foreach $header (keys %$HeaderR) {
|
|
if ($$HeaderR{$header} && $$HeaderR{$header} ne "\n") {
|
|
push(@pgphead, "$$HeaderR{$header}");
|
|
delete $$HeaderR{$header};
|
|
}
|
|
}
|
|
|
|
push @pgphead, ("X-PGP-Key: " . $PGPSigner . "\n"), $tmppgpheader;
|
|
undef $tmppgpheader;
|
|
|
|
@pgpbody = split /$/m, $pgpbody;
|
|
my @pgpmessage = (@pgphead, "\n", @pgpbody);
|
|
return \@pgpmessage;
|
|
}
|