[bglug] Archlinux o Slackware
k|b|s
kbs@bglug.it
Mar 26 Ago 2008 18:19:28 CEST
Flavio Castelli wrote:
> suo lavoro, ma perchè mantenerla aggiornata non è assolutamente pratico
Un mio vecchio prodotto:
--8<-- CUT HERE --8<--
#!/bin/bash
#
# TrackSlack v1.0 by k|b|s
# Controlla se ci sono cambiamenti nel Changelog di slack-current
# rispetto ad un mirror locale, e te lo dice ;^)
#
#####################
# CONFIGURA:
# Client di posta (io uso nail)
MAIL="nail"
#
# Mirror locale
MIRROR="/root/slackware-current"
#
# Server/mirror ufficiale slack
SERVER="rsync.slackware.at"
#
# A chi spedire l'avviso dei cambiamenti
MAILTO=""
# Spedisce copia delle mail ad altri indirizzi, ognuno separato da una virgola
#MAILCC="-c "
#
# Ti avvisa anche se non è cambiato nulla (buono per il cron)
# (yes|no)
MAILNOTHING="yes"
######################
TMP="/tmp/slackchange"
if [ ! -d $TMP ]; then
mkdir -p $TMP
chmod 700 $TMP
fi
#
CHANGES="$TMP/changes.txt"
if [ -f $CHANGES ]; then
rm -rf $CHANGES
fi
#
NOCHANGES="$TMP/nochanges.txt"
#
LASTCHANGE=0
#
LASTCHANGE=`date -r $MIRROR/ChangeLog.txt +%s`
#
rsync -t $SERVER::slackware/slackware-current/ChangeLog.txt $TMP/
#
if [ $LASTCHANGE = `date -r $TMP/ChangeLog.txt +%s` ]; then
if [ $MAILNOTHING = "yes" ]; then
echo "Non è cambiato niente..." > $NOCHANGES
echo ""
$MAIL -r "TrackSlack" -s "TrackSlack Report - No changes" $MAILCC $MAILTO < $NOCHANGES
fi
exit
else
echo "Oggi Pat ha cambiato qualcosa nella slack-current." > $CHANGES
echo "Questi i dettagli:" >> $CHANGES
echo "" >> $CHANGES
echo "+--------------------------+" >> $CHANGES
diff -e $MIRROR/ChangeLog.txt $TMP/ChangeLog.txt | sed -e '1d' -e 's/^> //' >> $CHANGES
$MAIL -r "TrackSlack" -s "TrackSlack Report" $MAILCC $MAILTO < $CHANGES
fi
rm -rf $TMP
--8<-- CUT HERE --8<--
> > BTW, no tofu e html, please.
> L'html non mi piace nelle mail. Il tofu invece sempre.
Risolto anche questo..:
--8<-- CUT HERE --8<--
#!/usr/bin/perl -w
# $Id: t-prot,v 1.255 2007/09/19 11:32:58 jochen Exp $
require 5.006;
use strict;
use Fcntl qw(O_EXCL O_WRONLY O_CREAT);
use Getopt::Mixed qw(nextOption);
use constant VER => '2.5';
use constant REV => '';
use constant REL => q$Revision: 1.255 $=~m/(\d+(?:\.\d+)+)/;
# MTA expecting mail on STDIN
# (you might have to adjust this if using a different MTA)
use constant SENDMAIL => '/usr/sbin/sendmail -oi';
# From <sysexits.h>
# (you might have to adjust those if your libc wants different values)
use constant EX_OK => 0;
use constant EX_USAGE => 64;
use constant EX_DATAERR => 65;
use constant EX_UNAVAILABLE => 69;
use constant EX_SOFTWARE => 70;
use constant EX_IOERR => 74;
use constant EX_BOUNCE => EX_UNAVAILABLE;
use vars qw(
$ad $ads $bigqn $bigqx $boun $check $check_ratio $cr $diff $elli
$footers $ftr_ad $ftr_ml $hdrs $indent $kamm $kdiff $kminl $kmaxl
$lax $lsig $maxsig $maxlines $mda $ml $gw $ms $ms_smart $msg_quote
$msg_ratio $mua $nohdr $ofile $pgpshort $pgpmove $pgpmovevrf $sig
$sigint $sign $spass $spass_prefix $sysl $trad $trsp
$gpg_WARNING $gpg_Warning $gpg_Cantcheck $gpg_aka $gpg_bad
$gpg_expired $gpg_good $gpg_bug
$mutt_attachment $mutt_contenttype $mutt_pgpsigned $mutt_beginsigned
$mutt_pgpclearsigned $mutt_pgpclearsigstart $mutt_pgpencrypted
$mutt_pgpoutstart $mutt_pgpoutend
);
# Please adjust these vals to your needs (they are no constants because
# command line can change them or they are used in rexexp's):
$0 =~ s!^.*/!!;
$maxsig = 4; # max. valid signature length
$maxlines = undef; # no limit of message lines
$indent = '>'; # Indent string, regexp to identify a quoted line
$kminl = 65; # see decomb() for details
$kmaxl = 80;
$kdiff = 20;
$pgpshort = 0; # hide pgp key ids if set
$pgpmove = 0; # move pgp output to bottom if set
$pgpmovevrf = 0;
$sign = 1; # max number of sigs tolerated, undef for no limit
$boun = "Blocked by $0: This user does not accept TOFUed email. Please see <http://learn.to/quote/> and <http://www.escape.de/users/tolot/mutt/> for more info. Have a nice day!\n";
$ftr_ad = undef; # too hard on performance to be default
$ftr_ml = undef; # too hard on performance to be default
$ofile = '-'; # use STDOUT if nothing is specified
$spass_prefix = 'SPAM: ';
$check_ratio = .75; # 3/4 tofu is enough not to accept the message
$msg_quote = "Blocked by $0: This message has been rejected because of a full quote. Please see http://learn.to/quote/ and http://www.escape.de/users/tolot/mutt/ for more info. Have a nice day!\n";
$msg_ratio = "Blocked by $0: This message has been rejected because of excessive quoting. Please see http://learn.to/quote/ and http://www.escape.de/users/tolot/mutt/ for more info. Have a nice day!\n";
# end of user adjusted vals
# set the defaults to the C locale
$mutt_attachment = '[-- Attachment #';
$mutt_contenttype = '[-- Type: ';
$mutt_pgpsigned = '[-- End of signed data --]';
$mutt_beginsigned = '[-- The following data is signed --]';
$mutt_pgpclearsigstart = '[-- BEGIN PGP SIGNED MESSAGE --]';
$mutt_pgpclearsigned = '[-- END PGP SIGNED MESSAGE --]';
$mutt_pgpencrypted = '[-- End of PGP/MIME encrypted data --]';
$mutt_pgpoutstart = '[-- PGP output follows (current time:';
$mutt_pgpoutend = '[-- End of PGP output --]';
# set the defaults to the C locale
$gpg_WARNING = 'WARNING: ';
# (yes, the translations in gnupg's po files *are* braindamaged):
$gpg_Warning = 'WARNING: ';
$gpg_Cantcheck = 'Can\'t check signature: ';
$gpg_aka = ' aka ';
$gpg_bad = 'BAD signature from ';
$gpg_expired = 'Note: This key has expired!';
$gpg_good = 'Good signature from';
# (actually, this bugs me quite often since upgrading gpg from v1.0.7):
$gpg_bug = '... this is a bug (';
# help(): print help text and exit with appropriate exit code
sub help {
print "Usage: $0 [options]
-A=DIRECTORY ad footer directory, treat ad footers as signature
-a remove ad footers; requires -A
--bigq[=n[,x]] remove all but x lines of quotes with more than n
lines; default is n=30 and x=10
--body input has no headers; does not work with --pgp-short;
multipart messages will not be detected
-c merge multiple blank lines
--check[=FLAGS] check various criteria, print error message and quit;
see man page for details
-d, --debug print notice to syslog when bouncing; requires -p
--diff tolerate diffs appended *after* the signature
-e force ellipsis for excessive punctuation
--ftr-ad enable aggressive ad footer matching; requires -A
--ftr-ml enable aggressive mailing list footer matching; req. -L
--groupwise delete Novell Groupwise style TOFU
-h, --help show this short help and exit
-i=INFILE file to be read; '-' for STDIN (default)
-k try to fix \"Kammquotes\"
--kminl=n min. line length for wrapped line; requires -k
--kmaxl=n max. line length for wrapped line; requires -k
--kdiff=n max. length difference between wrapped lines; req. -k
-L=DIRECTORY mailling list footer directory, treat mailing list
footers as signature
-l delete mailing list footer; requires -L
--lax-security use unsafe writing method; USE ON YOUR OWN RISK!
--locale=LOCALE internationalization; currently only used with -Mmutt
-M, --mua=MUA turn on special treatment for some mail user agents
-m delete MS style TOFU; careful: might be too agressive
--max-lines=x maximum number of message lines
--ms-smart try to be smart with MS style TOFU; req. -Mmutt and -m
-o=OUTFILE file to be written to; '-' for STDOUT (default), 'NONE'
for no output at all
-P=MESSAGE user defined bounce message; requires -p
-p[=ADDRESS] redirect to ADDRESS if no TOFU was found
--pgp-move move pgp verification output to bottom; requires -Mmutt
--pgp-move-vrf move pgp output if verified and good; requires -Mmutt
--pgp-short hide non-relevant pgp key uids; requires -Mmutt
-r delete mail header lines
-S[=n] supress signatures with more than n lines;
default is $maxsig if n not specified
-s delete signature
--sigsmax[=n] max number of sigs tolerated, no value for unlimited
--spass enable SpamAssassin workaround
-t delete traditional style TOFU
-v, --version show version string and exit
-w delete trailing whitespaces\n";
exit(EX_USAGE);
}
# version(): print version info and exit with appropriate exit code
sub version {
print "$0 v".VER.REV." (Rev. ".REL."), Jochen Striepe <t-prot\@tolot.escape.de>
Get the latest version at <http://www.escape.de/users/tolot/mutt/>\n";
exit(EX_OK);
}
# sigint_handler(): what to do if we receive a single SIGINT
sub sigint_handler {
$sigint = 1;
}
# remove_footers(): remove any trailing appearance of footers contained
# in the given directory.
sub remove_footers {
my $L = shift; # array of message lines
my $S = shift; # array to store removed lines in
my $F = shift; # footers dir name
my $O = shift; # remove only one footer?
my $V = shift; # allow footers match before end of message
my $off;
if (!defined $V) {
for ($off = 0; $#$L>=$off && $$L[$#$L-$off] =~ /^\s*$/; $off++) {;};
}
if ($F && scalar(@$L)) {
if (!opendir(DIR, $F))
{ print STDERR "Could not open $F: $!\n"; exit(EX_IOERR); }
my @feet = grep { /^[^.]/ && -f "$F/$_" } readdir DIR;
closedir DIR;
foreach my $f (@feet) {
if (!open(IN, "$F/$f"))
{ print STDERR "Could not open $F/$f: $!\n"; exit(EX_IOERR); }
my @l = <IN>;
close IN;
if (!scalar(@l)) { next; }
for (my $z=0; $z<=$#l; $z++) { chomp($l[$z]); }
if (defined $V) {
WIPE: for (my $z=scalar(@$L)-scalar(@l); $z>=0; $z--)
{
if (scalar(@l)+$z<=scalar(@$L)) {
my $y = 0;
for(my $x=1; $x<=scalar(@l); $x++) {
if (index($$L[scalar(@$L)-$x-$z], $l[scalar(@l)-$x])!=0) {
$y = 1;
}
}
if (!$y) {
unshift(@$S, @$L[$#$L-$#l-$z..$#$L]);
splice(@$L, $#$L-$#l-$z);
while (scalar(@$L) && $$L[$#$L] =~ /^\s*$/) {
unshift(@$S, pop(@$L));
}
if ($O) { last; } else { goto WIPE; }
}
}
}
}
else {
while (scalar(@l)<=scalar(@$L)) {
for(my $x=1; $x<=scalar(@l); $x++) {
if (index($$L[scalar(@$L)-$x-$off], $l[scalar(@l)-$x])!=0) {
goto FINISH;
}
}
unshift(@$S, @$L[$#$L-$off-$#l..$#$L]);
splice(@$L, $#$L-$off-$#l);
while (scalar(@$L) && $$L[$#$L] =~ /^\s*$/) {
unshift(@$S, pop(@$L));
}
if ($O) { last; }
}
FINISH:
}
}
}
}
# decomb(): Try to detect and fix zig-zag shaped quoting (a.k.a. German
# "Kammquoting").
sub decomb {
my $L = shift; # array of message lines
my $V = shift; # array with verbatim list
my $max = 0; # plausible wraparound pos
# We scan the whole message first for a plausible common maximum line
# length where longer lines would be wrapped.
for (my $x=0; $x<$#$L; $x++) {
if ($$V[$x]!=1 && $max<length($$L[$x])) { $max = length($$L[$x]); }
}
# Next we see if there are plausible wraparounds.
for (my $x=0; $x+1<$#$L; $x++) {
# OK,
# * it must not be verbatim,
# * the 2nd line must not be quoted nor empty nor just
# underlining some part of the line above (using '^')
# nor begin with a whitespace,
# * the 1st line must not end with a hyphen,
# * the 2nd line must not indicate content was deleted,
# * the 2nd line must not be some mutt(1) commentary,
# * there must not be a valid word wrap to produce a longer
# 1st line (if not quoted),
# * the 1st and 2nd line together must not be longer than some
# magical upper limit nor shorter than some magical lower
# bound nor nearly of the same length, and
# * the 3rd line must not be empty.
# With all that odds should be quite good that we have an
# automatedly wrapped line. Please send a note if you have
# additional good criteria. Thanks.
if (($$V[$x]!=1 && $$V[$x+1]!=1) &&
(index($$L[$x+1], $indent)!=0) &&
($$L[$x+1] !~ /^$/) &&
($$L[$x+1] !~ /^[\s^]/) &&
($$L[$x] !~ /-$/) &&
($$L[$x+1] !~ /^\Q[...]\E\s*$/) &&
($mua ne 'mutt' || $$L[$x+1] !~ /^(?:\e[^\a]+\a)?\[-- /) &&
(length($$L[$x])+index($$L[$x+1], ' ')>$max ||
(index($$L[$x+1], ' ')<0 && length($$L[$x])+length($$L[$x+1])>$max)) &&
(length($$L[$x])+length($$L[$x+1])<$kmaxl) &&
(length($$L[$x])+length($$L[$x+1])>$kminl) &&
(length($$L[$x])-length($$L[$x+1])>$kdiff) &&
($$L[$x+2] !~ /^\s*$/))
{
$$L[$x] =~ s/\s*$/' ' . $$L[$x+1]/e;
splice(@$L, $x+1, 1);
splice(@$V, $x+1, 1);
}
}
}
# debigq(): Finds big quotes (more than $n lines quoted) and deletes all
# but $x lines of them.
sub debigq {
my $L = shift; # array of message lines
my $V = shift; # array with verbatim list
my $k = 0;
for (my $i=0; $i<=$#$L; $i++) {
if ($$V[$i]) {
$k = 0;
next;
}
if (index($$L[$i], $indent)==0) { $k++; } else {
if ($k>$bigqn) {
my $x = $k-$bigqx;
$i -= $k;
$$L[$i] = "[---=| Quote block shrinked by $0: " .
"$x lines snipped |=---]\n";
$i++;
splice(@$L, $i, $x-1);
splice(@$V, $i, $x-1);
$i++;
}
$k = 0;
}
}
}
# pgp(): treat mutt(1)'s pgp/gpg output contained in signed or encrypted
# messages
sub pgp {
sub verified {
my $L = shift; # message body
my $X = shift; # start line
my $Z = shift; # end line
my $ok = 0;
while ($X<$Z) {
if (index($$L[$X], "gpg: $gpg_WARNING")==0 ||
index($$L[$X], "gpg: $gpg_Warning")==0 ||
index($$L[$X], "gpg: $gpg_bad")==0 ||
index($$L[$X], "gpg: $gpg_Cantcheck")==0 ||
index($$L[$X], "gpg: $gpg_expired")==0 ||
index($$L[$X], "gpg: $gpg_bug")==0)
{ return 0; }
if (index($$L[$X], "gpg: $gpg_good")==0)
{ $ok = 1; }
$X++;
}
return $ok;
}
my $L = shift; # message body
my $V = shift; # verbatim list
my $H = shift; # headers
my @tmp = ();
my $tmp = 0;
for (my $x=0; $x<scalar(@$L); $x++) {
if ($$V[$x]) { next; }
if ($$L[$x]=~/^(?:\e[^\a]+\a)?(?:\Q$mutt_pgpoutstart\E)/o)
{
my $from;
for (my $m=0; $m<scalar(@$H); $m++) {
if (index($$H[$m], 'From:')==0) {
$from = $$H[$m];
$m++;
while (exists($$H[$m]) && $$H[$m] =~ /^\s/)
{ $from .= $$H[$m]; $m++; }
last;
}
}
($from) = $from=~m/(\w[\w.+-]*@(?:[\w.+-]+\.)+[A-Za-z]{2,})/;
my $uid = 1;
for (my $i=$x+1; $i<scalar(@$L); $i++) {
if ($pgpshort && index($$L[$i], "gpg: $gpg_aka")==0)
{ $uid++; }
if ($pgpshort && $uid>1 &&
index($$L[$i], "gpg: $gpg_aka")==0 &&
index($$L[$i], $from)<0)
{
splice(@$L, $i, 1);
splice(@$V, $i, 1);
$i--;
}
elsif ($$L[$i]=~/^(?:\e[^\a]+\a)?(?:\Q$mutt_pgpoutend\E)/o)
{
if ($pgpmove ||
($pgpmovevrf && (!$sigint) && verified($L, $x+1, $i)))
{
push(@{$tmp[++$tmp]}, "\n", @$L[$x..($i+1)]);
splice(@$L, $x, $i-$x+2);
splice(@$V, $x, $i-$x+2);
$i -= $#{$tmp[$tmp]}-2;
}
$x = $i;
last;
}
}
}
elsif ($tmp &&
$$L[$x] =~ /^
(?:\e[^\a]+\a)?
(?:\Q$mutt_pgpencrypted\E |
\Q$mutt_pgpclearsigned\E|
\Q$mutt_pgpsigned\E)
/ox)
{
splice(@$L, $x+1, 0, @{$tmp[$tmp]});
for (my $i=$x; $i<scalar(@{$tmp[$tmp]}); $i++) {
splice(@$V, $x+1, 0, (0));
}
$x += scalar(@{$tmp[$tmp--]});
pop(@tmp);
}
}
while ($tmp>0) {
push(@$L, @{$tmp[$tmp--]});
pop(@tmp);
for (my $i=$#$V; $i<$#$L; $i++) { push(@$V, 0); }
}
}
# write_msg(): output
sub write_msg {
my $O = shift;
my $l;
if ((!$lax) && ($O =~ /^>(.*)/) && ($1 ne '-')) {
if (!sysopen(OUT, $1, O_EXCL|O_CREAT|O_WRONLY)) {
print STDERR "Could not open $1: $!\n"; exit(EX_IOERR);
}
}
elsif (!open(OUT, $O)) {
print STDERR "Could not open $O: $!\n"; exit(EX_IOERR);
}
while (scalar(@_)) {
$l = shift;
if (defined $l) {
$^W = 0;
print OUT @$l;
$^W = 1;
}
}
close OUT;
}
# process_msg(): This one proc does *everything* what has to be done with
# the lines of the message
sub process_msg {
my $lines = shift;
my ($j, $x, $verb) = (0, 0, 0);
my (@ads, @hdr, @bo1, @bo2, @ftr, @sig, @vrb, @att) =
((), (), (), (), (), (), (), (), ());
# First, remove and store lines we might need later...
# Remove headers:
if (!$nohdr) {
for ($x=0; $x<$#$lines; $x++) { if (@$lines[$x] =~ /^$/) { last; }; }
# check body length and stop processing silently if msg is too long:
if ((defined $maxlines) && (@$lines-$x > $maxlines)) {
return;
}
@hdr = @$lines[0..$x];
splice(@$lines, 0, $x+1);
}
elsif ((defined $maxlines) && (@$lines > $maxlines)) {
# check body length and stop processing silently if msg is too long:
return;
}
# remember the original body lines count
my $linecount = scalar(@$lines);
# Remove ML footers:
remove_footers($lines, \@ftr, $footers, undef, $ftr_ml);
# Remove ad footers:
remove_footers($lines, \@ads, $ads, undef, $ftr_ad);
# See if we have a multipart content type. If yes, see if it is already
# ripped (e.g. by you MUA, assuming it does not get special treatment with
# --mua=foo), otherwise only leave the first part if it is plain text (if
# not, we are done - non-text messages are not our business).
if ($mua ne 'mutt') {
for ($x=0; $x<scalar(@hdr); $x++) {
if ($hdr[$x] =~ /^Content-[Tt]ype:\s+(.*)$/) {
my $foo = $1;
if ($foo =~ m!^multipart/!) {
undef $foo;
if ($hdr[$x] =~ /\Wboundary="([^"]+)"/i) { $foo = $1; }
else {
for (my $z=1; $x+$z<@hdr && $hdr[$x+$z]=~/^\s/; $z++) {
if ($hdr[$x] =~ /\Wboundary="?([^"\s]+)"?$/i) {
$foo = $1;
last;
}
}
}
if (defined $foo) {
for (my $x=0; $x<scalar(@$lines); $x++) {
if (index($$lines[$x], '--'.$foo)!=0) { next; }
my $bar = 'text/plain';
for ($x++; $x<@$lines && $$lines[$x]!~/^$/; $x++)
{
if ($$lines[$x] =~ /^Content-[Tt]ype:\s+(.*)/) {
$bar = $1;
}
}
if ($x>=scalar(@$lines)) { exit(EX_DATAERR); }
if ($bar =~ m!^text/plain!) {
my $z;
for ($z=1; $x+$z<@$lines; $z++) {
if (index($$lines[$x+$z], '--'.$foo)==0) {
last;
}
}
if ($x+$z>=scalar(@$lines)) { exit(EX_DATAERR); }
@bo2 = @$lines[$x+$z..$#$lines];
splice(@$lines, $x+$z);
if ($$lines[$#$lines] =~ /^\s*$/) {
unshift(@bo2, pop @$lines);
}
@bo1 = @$lines[0..$x];
splice(@$lines, 0, $x+1);
# remove mailing list and ad footers within this
# attachment:
remove_footers($lines, \@ftr, $footers, undef, $ftr_ml);
remove_footers($lines, \@ads, $ads, undef, $ftr_ad);
last;
}
else {
write_msg(($mda?'|'.SENDMAIL." $mda":">$ofile"),
($hdrs?undef:\@hdr), $lines);
exit;
}
}
}
}
last;
}
}
}
# Protect verbatims:
$verb = 0;
for ($x=0; $x<scalar(@$lines); $x++) {
if ($$lines[$x] =~ /^\s*#v([+-])$/) {
$verb = $1 eq '+' ? 1 : 0;
$vrb[$x] = 1;
} else { $vrb[$x] = $verb; }
}
# Calculate quoting ratio (with respect to verbatims):
if ($check && scalar(@$lines)) {
my ($y, $z) = (0, 0);
for ($x=0; $x<scalar(@$lines); $x++) {
if (!$vrb[$x]) {
$z++;
if (index($$lines[$x], $indent)==0) { $y++; }
}
}
$y = $y/$z;
if ($y>=$check_ratio) {
print $msg_ratio;
exit EX_UNAVAILABLE;
}
}
if ($mua eq 'mutt') {
# See if we find pgp output generated by mutt before we scramble
# the thing. If yes, see if we can beautify it.
if ($pgpshort || $pgpmove || $pgpmovevrf) { pgp($lines, \@vrb, \@hdr); }
# Remove all but the first attachment (if this is text/plain)
# mutt did introduce (bah!). Remember, all this ugliness could
# be replaced with a proper and clean edit_filter patch in
# mutt(1) itself...
for ($x=$#$lines; $x>=0; $x--) {
if ($vrb[$x]) { next; }
# The following regexp's are quite ugly because for most users
# these lines are coloured using termcap... (bah!)
if (($$lines[$x] =~
/^(?:\e[^\a]+\a)?\Q$mutt_attachment\E(\d+)/o &&
(($1 ne '1') ||
($x<$#$lines &&
$$lines[$x+1] !~ m!^
(?:\e[^\a]+\a)?
(?:\Q$mutt_contenttype\E)
(?:text/plain|application/pgp)
!ox))) ||
($$lines[$x] =~ /^
(?:\e[^\a]+\a)?
(?:\Q$mutt_pgpsigned\E |
\Q$mutt_pgpclearsigned\E|
\Q$mutt_pgpencrypted\E)
/ox))
{
# Strip attachments to prepare further processing
unshift(@att, @$lines[$x..$#$lines]);
splice(@$lines, $x);
# Try to fix trailing empty lines
while (scalar(@$lines) && $$lines[$#$lines] =~
/^(?:\e[^\a]+\a)?\s*$/) {
unshift(@att, pop(@$lines));
}
# Remove ML and ad footers within attachments:
my @tmp;
if ($ml) { remove_footers($lines, \@tmp, $footers, undef); }
if ($ad) { remove_footers($lines, \@tmp, $ads, undef); }
$x = scalar(@$lines);
}
}
# care about the rest
if (scalar(@att)) {
for ($x=0; $x<$#att; $x++) {
if ($vrb[scalar(@$lines)+$x]) { next; }
# Pipe message/rfc822 parts to another instance of
# process_msg() for further processing.
# Please note that we cannot see what a hierarchy the
# original message had -- if there were message/rfc822
# parts within other message/rfc822 parts constellations
# can occur which we cannot resolve. Therefore we simply
# do not even try to be smart. This should work for most
# situations.
# The following regexp is quite ugly because for most
# users the line is coloured using termcap... (bah!)
if ($att[$x] =~
/^(?:\e[^\a]+\a)?\Q$mutt_attachment\E\d+/o &&
$att[$x+1] =~ m!^
(?:\e[^\a]+\a)?
(?:\Q$mutt_contenttype\E) (?:message/rfc822|multipart/alternative)
!ox)
{
$x += 2;
while ($att[$x] !~ /^\s*$/) { $x++; }
$x++;
my @tmp = @att[$x..$#att];
process_msg(\@tmp);
splice(@att, $x, scalar(@att)-$x, @tmp);
$x += scalar(@tmp);
}
}
}
}
# Remove signature:
if (scalar(@$lines)) {
my $sn = 0;
my $chk_empty = 1;
my $empty = 0;
for ($x = $#$lines; $x>=0; $x--) {
if (!$vrb[$x]) {
if ($$lines[$x] =~ /^-- $/) {
if ($diff) {
for (my $i=1; $x+$i+1<scalar(@$lines); $i++) {
if ($$lines[$x+$i] =~ /^-{3}\s+\S/ &&
$$lines[$x+$i+1] =~ /^\+{3}\s+\S/)
{
$sig = 0;
unshift(@sig, @$lines[$x..$#$lines]);
splice(@$lines, $x);
last;
}
}
if (scalar(@sig)) {
if (defined($sign) && ++$sn==$sign) { last; } else { next; }
}
}
if ($sig || ($lsig && ($#$lines-$x-$empty>$lsig))) {
if ($lsig && !$sig) {
unshift(@sig, "[---=| Overlong signature removed by $0: " .
(scalar(@$lines)-$x) . " lines snipped |=---]\n");
}
splice(@$lines, $x);
}
else {
unshift(@sig, @$lines[$x..$#$lines]);
splice(@$lines, $x);
}
if (defined($sign) && ++$sn==$sign) { last; } else { next; }
}
# any trailing newlines?
elsif ($chk_empty && $$lines[$x] =~ /^\s*$/) { $empty++; }
elsif ($chk_empty) { $chk_empty = 0; }
}
}
}
# See if there is some Kammquoting to fix:
if ($kamm) { decomb($lines, \@vrb); }
# Now care about TOFU.
# One common mispractice is M$ and Groupwise style TOFU:
if ($ms||$gw) {
# bloat this array if you want more internationalization:
my @tofu = ('Original Message',
'Original-Nachricht',
'Ursprüngliche Nachricht',
'Ursprungliche Nachricht',
'Mensagem original',
'Ursprungligt meddelande',
'Oorspronkelijk bericht',
'Message d\'origine',
'Forwarded message',
'Weitergeleitete Nachricht / Forwarded Message');
my $k = 0; # any text above?
my $tmp = 0; # flagged if inside PGP output
DONE: for ($x=0; $x<scalar(@$lines); $x++) {
if (!$vrb[$x]) {
foreach my $tmp (@tofu) {
if (($ms && $$lines[$x] =~ /^-+\s?$tmp\s?-+/) ||
($gw &&
($$lines[$x] =~ /^>>>[^\<]+<[^\>]+> \d\d?\/\d\d?\/\d\d? \d\d?:\d\d [AP]M >>>/ ||
$$lines[$x] =~ /^>>> On [A-Z][a-z][a-z]?, [A-Z][a-z][a-z]? \d\d?, \d\d\d\d at [ \d]\d:\d\d [AP]M, in message/))) {
$x++;
$trad = 0;
$bigqn = 0;
last DONE;
}
}
if ((!$k) && $$lines[$x] !~ /^\s*$/o &&
((!$mua) ||
($mua eq 'mutt' &&
$$lines[$x] !~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_attachment\E)/o &&
$$lines[$x] !~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_contenttype\E)/o)) &&
((!$spass) || index($$lines[$x], $spass_prefix)!=0))
{
if ($mua eq 'mutt' && (!$tmp) &&
$$lines[$x] =~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_pgpoutstart\E)/o) {
$tmp = 1;
} elsif ($mua eq 'mutt' && $tmp &&
($$lines[$x] =~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_beginsigned\E)/o ||
$$lines[$x] =~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_pgpclearsigstart\E)/o)) {
$tmp = 0;
} elsif (!$tmp) {
$k = 1;
}
}
}
}
# try to avoid false positives and only delete m$ style tofu if
# there is text above
if ($k) {
if (!$ms_smart) { goto CLEAN; }
# first, see if there is pgp stuff inside the tofu:
my $p = 0; # levels of pgp signed parts
for (my $i=$x+1; $i<scalar(@$lines); $i++) {
if ($$lines[$i] =~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_pgpclearsigstart\E)/o) {
$p++;
}
}
if ($p) {
STAIRS: for (my $i=0; $i<scalar(@att); $i++) {
if ($p==0 && $att[$i] =~ /^(?:\e[^\a]+\a)?\[-- /o) {
splice(@att, 0, $i);
unshift(@att, "\n");
goto CLEAN;
} elsif ($att[$i] =~
/^(?:\e[^\a]+\a)?(?:\Q$mutt_pgpclearsigned\E)/o) {
splice(@att, 0, $i+1);
$p--;
goto STAIRS;
}
}
splice(@att);
}
# now removing is safe:
CLEAN: $j = scalar(@$lines)-$x;
splice(@$lines, $x);
}
}
# Nothing? Then try traditional TOFU (deleting M$ style TOFU is done
# much more aggressively, so we won't need to search any more if we
# did find some):
if ($trad && (!$j) && !$vrb[$#$lines]) {
if (scalar(@$lines) && $$lines[$#$lines] =~ /^\s*$/) {
unshift(@sig, pop(@$lines));
}
my $k;
my $x = 1;
for (my $i=$#$lines; $i>=0; $i--) {
if ($$lines[$i] =~ /^$indent/o) {
$j++;
$k = $i;
}
elsif ($$lines[$i] !~ /^\s*$/) { last; }
}
if ($j) {
# if there is no text above, we will assume the message is meant
# as forwarding and therefore OK
for (my $i=$k-1; $i>=0; $i--) {
if ($$lines[$i] !~ /^\s*$/o) {
$x = 0;
last;
}
}
if ($x) {
$j = 0;
} else {
splice(@$lines, $k);
}
}
}
# OK, if we found TOFU, we will leave a message that we were here...
if ($j) {
# make sendmail bounce if we shall be picky
# and indeed found something:
if ($mda) {
if ($mda ne '1') {
print STDERR $boun;
if ($sysl) {
eval { require Sys::Syslog; };
if ($@) { warn $@; } else {
Sys::Syslog::setlogsock('unix');
Sys::Syslog::openlog("$0[$$]", 'pid', 'mail');
Sys::Syslog::syslog('debug', 'bounced message %s', $hdr[0]);
Sys::Syslog::closelog();
}
}
}
exit EX_BOUNCE;
}
# if we were invoked just for checking and indeed found something,
# print out the error message and quit:
if ($check) {
print $msg_quote;
exit EX_UNAVAILABLE;
}
push(@$lines, "[---=| TOFU protection by $0: " .
"$j lines snipped |=---]\n");
}
elsif ($mda eq '1') { exit EX_OK; }
# Care for huge blocks of quoted original message:
if ($bigqn) { debigq($lines, \@vrb); }
# Care for trailing whitespaces:
if ($trsp) {
for ($x=0; $x<scalar(@$lines); $x++) {
if (!$vrb[$x]) { $$lines[$x] =~ s/[\ \t]+$//; }
}
}
# Care for punctuation abuse:
if ($elli) {
for ($x=0; $x<scalar(@$lines); $x++) {
if (!$vrb[$x]) { $$lines[$x] =~ s/(([.?!])\2\2)\2+/$1/g; }
}
}
# (Nearly) at last care for multiple blank lines. (Do not do this
# earlier -- the way it is done right now would screw up the verbatim
# list)
if ($cr) {
my $t = 0;
for ($x=scalar(@$lines)-1; $x>=0; $x--) {
if ((!$vrb[$x]) && $$lines[$x] =~ /^\s*$/) {
if ($t<2) { $t++; } else { splice(@$lines, $x, 1); }
}
else { $t = 0; }
}
}
# Everything changing the body is done now. Time to fix the line count
# header so naive clients do not get confused. Just to be sure, append
# the old line count to X-headers.
my $l = scalar(@bo1) + scalar(@$lines) + scalar(@att) + scalar(@bo2) +
(!$sig?scalar(@sig):0) + (!$ml?scalar(@ftr):0) +
(!$ad?scalar(@ads):0);
if ($linecount-$l!=0) {
for ($x=0; $x<scalar(@hdr); $x++) {
if ($hdr[$x] =~
s/^(Lines:\s+)(\d+)/$1.($2-$linecount+$l)/e)
{
$hdr[$#hdr] = "X-Old-Lines: $2\n";
push(@hdr, "\n");
}
}
}
# Finally, before leaving we put everything back in right order.
unshift(@$lines, (!$hdrs?@hdr:()), @bo1);
push(@$lines, (!$sig?@sig:()), (!$ad?@ads:()), (!$ml?@ftr:()), @att,
@bo2);
}
# environment
my $locale = $ENV{'LC_ALL'}?$ENV{'LC_ALL'}:
($ENV{'LC_MESSAGES'}?$ENV{'LC_MESSAGES'}:$ENV{'LANG'});
# command line switches
($ad, $ads, $bigqn, $bigqx, $check, $cr, $sysl, $diff, $elli, $footers, $lax,
$ml, $gw, $ms, $ms_smart, $mda, $mua, $hdrs, $kamm, $lsig, $nohdr, $sig,
$sigint, $spass, $trad, $trsp) =
(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
my $ifile = '-'; # use STDIN if nothing specified
# get command line params:
Getopt::Mixed::init('a A=s c d e h i=s k L=s l m M=s o=s P=s p:s r S:i'.
' s t v w bigq:s body check:s debug>d diff ftr-ad ftr-ml groupwise'.
' help>h kminl=i kmaxl=i kdiff=i lax-security locale=s max-lines=i'.
' ms-smart mua>M pgp-short pgp-move pgp-move-vrf sigsmax:i spass'.
' version>v');
while (my ($opt, $val, $pretty) = nextOption()) {
if ($opt eq 'a') { $ad = 1; }
elsif ($opt eq 'A') { $ads = $val; }
elsif ($opt eq 'bigq') {
if ($val !~ /^(?:(\d+)(?:,(\d+))?)?$/) { help(); }
$bigqn = $1?$1:30;
$bigqx = $2?$2:10;
if ($bigqn<=0 || $bigqx<=0 || $bigqn<=$bigqx) { help(); }
}
elsif ($opt eq 'body') { $nohdr = 1; $hdrs = 1; }
elsif ($opt eq 'c') { $cr = 1; }
elsif ($opt eq 'check') {
$check = 1;
while ($val && $val =~ s/^([^,\s]+)(?:,(\S+))?$/$2/) {
my $foo = $1;
if ($foo =~ /^ratio=(0?\.\d+)$/) {
$check_ratio = $1?$1:1;
}
}
}
elsif ($opt eq 'd') { $sysl = 1; }
elsif ($opt eq 'diff') { $diff = 1; }
elsif ($opt eq 'e') { $elli = 1; }
elsif ($opt eq 'ftr-ad') { $ftr_ad = 1; $ad = 1; }
elsif ($opt eq 'ftr-ml') { $ftr_ml = 1; $ml = 1; }
elsif ($opt eq 'groupwise') { $gw = 1; }
elsif ($opt eq 'i') { $ifile = $val; }
elsif ($opt eq 'k') { $kamm = 1; }
elsif ($opt eq 'kminl') { $kminl = $val; $kamm = 1; }
elsif ($opt eq 'kmaxl') { $kmaxl = $val; $kamm = 1; }
elsif ($opt eq 'kdiff') { $kdiff = $val; $kamm = 1; }
elsif ($opt eq 'L') { $footers = $val; }
elsif ($opt eq 'l') { $ml = 1; }
elsif ($opt eq 'lax-security') { $lax = 1; }
elsif ($opt eq 'locale') { $locale = $val; }
elsif ($opt eq 'm') { $ms = 1; }
elsif ($opt eq 'max-lines') { $maxlines = $val; }
elsif ($opt eq 'ms-smart') { $ms_smart = 1; $ms = 1; }
elsif ($opt eq 'M') {
$mua = lc($val);
if ($mua eq 'mutt') {
# mutt still displays the message when ^C'ing pgp verification:
$SIG{'INT'} = 'sigint_handler';
}
}
elsif ($opt eq 'o') { $ofile = $val; }
elsif ($opt eq 'P') { $boun = $val; }
elsif ($opt eq 'p') { $mda = $val ? $val : '1'; }
elsif ($opt eq 'pgp-short') { $pgpshort = 1; }
elsif ($opt eq 'pgp-move') { $pgpmove = 1; }
elsif ($opt eq 'pgp-move-vrf') { $pgpmovevrf = 1; }
elsif ($opt eq 'r') { $hdrs = 1; }
elsif ($opt eq 'S') { $lsig = $val ? $val : $maxsig; }
elsif ($opt eq 's') { $sig = 1; }
elsif ($opt eq 'sigsmax') { $sign = $val ? $val : undef; }
elsif ($opt eq 'spass') { $spass = 1; }
elsif ($opt eq 't') { $trad = 1; }
elsif ($opt eq 'v') { version(); }
elsif ($opt eq 'w') { $trsp = 1; }
else { help(); }
}
Getopt::Mixed::cleanup();
if (($ml && $footers eq '')|| # no -l without -L
($ad && $ads eq '')|| # no -a without -A
($nohdr && $pgpshort)|| # --body and --pgp-short are like oil and water
($ifile eq '')|| # no empty -i
($ofile eq '')) # no empty -o
{ help(); }
if ($mua eq 'mutt') {
if (defined $locale && $locale ne '' && $locale ne 'C' && $locale ne 'POSIX') {
eval { require Locale::gettext; };
if ($@) { warn $@; exit(EX_SOFTWARE); } else {
Locale::gettext::textdomain('mutt');
($mutt_attachment) =
Locale::gettext::gettext("[-- Attachment #%d") =~
m/^([^%]*)/;
($mutt_contenttype) =
Locale::gettext::gettext("[-- Type: %s/%s, Encoding: %s, Size: %s --]\n") =~
m/^([^%]*)/;
($mutt_pgpsigned) =
Locale::gettext::gettext("[-- End of signed data --]\n") =~
m/^(.*)\n/m;
($mutt_beginsigned) =
Locale::gettext::gettext("[-- The following data is signed --]\n\n") =~
m/^(.*)\n/m;
($mutt_pgpclearsigned) =
Locale::gettext::gettext("[-- END PGP SIGNED MESSAGE --]\n") =~
m/^(.*)\n/m;
($mutt_pgpclearsigstart) =
Locale::gettext::gettext("[-- BEGIN PGP SIGNED MESSAGE --]\n") =~
m/^(.*)\n/m;
($mutt_pgpencrypted) =
Locale::gettext::gettext("[-- End of PGP/MIME encrypted data --]\n") =~
m/^(.*)\n/m;
($mutt_pgpoutstart) =
Locale::gettext::gettext("[-- PGP output follows (current time: %c) --]\n") =~
m/^([^%]*)/;
($mutt_pgpoutend) =
Locale::gettext::gettext("[-- End of PGP output --]\n") =~
m/^(.*)\n/m;
Locale::gettext::textdomain('gnupg');
($gpg_WARNING) =
Locale::gettext::gettext("WARNING: using insecure random number generator!!\n") =~
m/^([^:]*: )/;
($gpg_Warning) =
Locale::gettext::gettext("WARNING: message was encrypted with a weak key in the symmetric cipher.\n") =~
m/^([^:]*: )/;
($gpg_Cantcheck) =
Locale::gettext::gettext("Can't check signature: %s\n") =~
m/^([^%]*)/;
($gpg_aka) =
Locale::gettext::gettext((' 'x16).'aka "%s"') =~
m/^([^"«%]*)["«%]/;
($gpg_bad) =
Locale::gettext::gettext('BAD signature from "%s"') =~
m/^([^"«%]*)["«%]/;
($gpg_expired) =
Locale::gettext::gettext("Note: This key has expired!\n") =~
m/^(.*)\n/m;
($gpg_good) =
Locale::gettext::gettext('Good signature from "%s"') =~
m/^(([^"«%]*))["«%]/;
($gpg_bug) =
Locale::gettext::gettext("... this is a bug (%s:%d:%s)\n") =~
m/^([^%]*)/;
}
}
}
else {
if ($ms_smart || $pgpshort || $pgpmove || $pgpmovevrf) { help(); }
}
# Read message:
if (!open(IN, $ifile))
{ print STDERR "Could not open $ifile: $!\n"; exit(EX_IOERR); }
my @message = <IN>;
close IN;
# this should be self-explanatory:
process_msg(\@message);
# Finally, print clean lines:
if ($ofile ne 'NONE') {
write_msg(($mda?'|'.SENDMAIL." $mda":">$ofile"), \@message);
}
# vim600:set foldmethod=marker:
# eof
--8<-- CUT HERE --8<--
--
Produci, consuma, crepa
echo 8507882250504719905049564247050P | dc
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