#!/usr/bin/perl -w
-# $Id: t-prot,v 1.51 2002/03/23 10:47:32 jochen Exp $
+# $Id: t-prot,v 1.246 2006/06/17 22:45:55 jochen Exp $
-require 5.005;
+require 5.006;
use strict;
+use Fcntl qw(O_EXCL O_WRONLY O_CREAT);
use Getopt::Mixed qw(nextOption);
+use constant VER => '2.1';
+use constant REV => '';
+use constant REL => q$Revision: 1.246 $=~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(
- $VER $REV $REL
- $EX_OK $EX_USAGE $EX_DATAERR $EX_UNAVAILABLE $EX_BOUNCE
- $ad $ads $boun $cr $diff $elli $footers $hdrs $indent $lsig $maxsig
- $mda $ml $ms $mua $ofile $sendmail $sig $sysl $trad $trsp
+ $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 $mda $ml $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 $mutt_pgpoutend
);
-# Version info
-$VER = '0.54';
-$REV = '';
-$REL = q$Revision: 1.51 $; chop($REL);
-# From <sysexits.h>
-# (you might have to adjust those if not using GNU libc)
-$EX_OK = 0;
-$EX_USAGE = 64;
-$EX_DATAERR = 65;
-$EX_UNAVAILABLE = 69;
-$EX_BOUNCE = $EX_UNAVAILABLE;
-# Please adjust these vals to your needs:
-$maxsig = 4; # max. valid signature length
-$indent = '>'; # Indent string, regexp to identify a quoted line
-$sendmail = '/usr/sbin/sendmail -oi'; # MTA expecting mail on STDIN
-$boun = "Blocked by $0: This user does not accept TOFUed email. Please see <http://learn.to/edit_messages/> and <http://www.escape.de/users/tolot/mutt/> for more info. Have a nice day!\n";
-$ofile = '-'; # use STDOUT if nothing is specified
+# 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
+$indent = '>'; # Indent string, regexp to identify a quoted line
+$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 remove ad footers; requires -A
-A=DIRECTORY ad footer directory, treat ad footers as signature
+ --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
-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
- -o=OUTFILE file to be written to; '-' for STDOUT (default)
+ --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
+ -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);
+ exit(EX_USAGE);
}
# version(): print version info and exit with appropriate exit code
sub version {
- print "$0 v$VER$REV ($REL), Jochen Striepe <t-prot\@tolot.escape.de>
+ 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);
+ 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 $O = shift; # remove only one footer?
-
- if ($F && scalar(@$L)) {
- opendir(DIR, $F) || die "Could not open $F: $!";
- my @feet = grep { /^[^.]/ && -f "$F/$_" } readdir DIR;
- closedir DIR;
-
- foreach my $f (@feet) {
- open(IN, "$F/$f") || die "Could not open $F/$f: $!";
- my @l = <IN>;
- close IN;
-
- while (scalar(@l)<=scalar(@$L)) {
- my $y = 0;
- for(my $x=1; $x<=scalar(@l); $x++) {
- chomp($l[scalar(@l)-$x]);
- if (index($$L[scalar(@$L)-$x], $l[scalar(@l)-$x])!=0) {
- $y = 1;
- }
- }
- if (!$y) {
- unshift(@$S, @$L[$#$L-$#l..$#$L]);
- splice(@$L, $#$L-$#l);
- while (scalar(@$L) && $$L[$#$L] =~ /^\s*$/) {
- unshift(@$S, pop(@$L));
- }
- if ($O) { last; }
- }
- else { last; }
- }
- }
- }
+ 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;
-
- open(OUT, $O) || die "Could not open $O: $!";
- while (scalar(@_)) {
- $l = shift;
- if (defined $l) {
- $^W = 0;
- print OUT @$l;
- $^W = 1;
- }
- }
- close OUT;
+ 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, $verb) = (0, 0, 0);
- my (@ads, @hdr, @bo1, @bo2, @ftr, @sig, @vrb, @att) =
- ((), (), (), (), (), (), (), (), ());
-
- # First, remove and store lines we might need later...
- # Remove headers:
- for ($x=0; $x<$#$lines; $x++) { if (@$lines[$x] =~ /^$/) { last; }; }
- @hdr = @$lines[0..$x];
- splice(@$lines, 0, $x+1);
-
- # See if we have a multipart content type. If yes, see if it is already
- # ripped (e.g. by mutt(1)), otherwise only leave the first part if it
- # is plain text (if not, we are done - non-text messages are not our
- # business).
- if (lc($mua) ne 'mutt') {
- for ($x=0; $x<scalar(@hdr); $x++) {
- if ($hdr[$x] =~ /^Content-Type:\s+(.*)$/i) {
- my $foo = $1;
-
- if ($foo =~ /^multipart\//i) {
- 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 ($$lines[$x] =~ /^Content-Type:\s+(.*)$/i) {
- $bar = $1;
- }
- }
- if ($x>=scalar(@$lines)) { exit($EX_DATAERR); }
-
- if ($bar =~ /^text\/plain/i) {
- my $z;
- for ($z=1; $x+$z<@$lines; $z++) {
- if (index($$lines[$x+$z], '--'.$foo)==0) {
- last;
- }
- }
- if ($x+$z>=scalar(@$lines)) { exit($EX_DATAERR); }
-
- @bo2 = @$lines[$x+$z..$#$lines];
- splice(@$lines, $x+$z);
- if ($$lines[$#$lines] =~ /^\s*$/) {
- unshift(@bo2, pop @$lines);
- }
- @bo1 = @$lines[0..$x];
- splice(@$lines, 0, $x+1);
- last;
- }
- else {
- write_msg(($mda?"|$sendmail $mda":">$ofile"),
- ($hdrs?undef:\@hdr), $lines);
- exit;
- }
- }
- }
- }
- last;
- }
- }
- }
-
-
- # Protect verbatims:
- $verb = 0;
- for ($x=0; $x<scalar(@$lines); $x++) {
- if ($$lines[$x] =~ /^\s*#v([+-])\s*$/) {
- $verb = $1 eq '+' ? 1 : 0;
- }
- $vrb[$x] = $verb;
- }
-
-
- if (lc($mua) eq 'mutt') {
- # 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=0; $x<scalar(@$lines); $x++) {
- if ($vrb[$x]) { next; }
- # The following regexp's are quite ugly because for most users
- # these lines are coloured using termcap... (bah!)
- if (($$lines[$x] =~ /^[^>[]*\[-- Attachment #(\d+)(: .*)? --\]\s*$/ &&
- (($1 ne '1') ||
- ($x<scalar(@$lines) &&
- $$lines[$x+1] !~ /^[^>[]*\[-- Type: text\/plain/))) ||
- ($$lines[$x] =~ /^[^>[]*\[-- End of .* data --\]\s*$/))
- {
- @att = @$lines[$x..$#$lines];
- splice(@$lines, $x);
- if (scalar(@$lines) && $$lines[$#$lines] =~ /^\s*$/) {
- unshift(@att, pop(@$lines));
- }
- last;
- }
- }
-
- # 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:
- if (scalar(@att)) {
- for ($x=0; $x<$#att; $x++) {
- if ($vrb[scalar(@$lines)+$x]) { next; }
- # The following regexp is quite ugly because for most
- # users the line is coloured using termcap... (bah!)
- if ($att[$x]=~/^[^>[]*\[-- Attachment #\d+(: .*)? --\]\s*$/ &&
- $att[$x+1] =~ /^[^>[]*\[-- Type: message\/rfc822/)
- {
- $x += 2;
- while ($att[$x] !~ /^\s*$/) { $x++; }
- $x++;
-
- my @tmp = @att[$x..$#att];
- process_msg(\@tmp);
- splice(@att, $x, scalar(@att)-$x, @tmp);
- }
- }
- }
- }
-
- # Remove ML footers:
- remove_footers($lines, \@ftr, $footers, undef);
-
- # Remove ad footers:
- remove_footers($lines, \@ads, $ads, undef);
-
- # Remove signature:
- if (scalar(@$lines)) {
- for ($x=0; $x<scalar(@$lines); $x++) {
- if ((!$vrb[$x]) && $$lines[$x] =~ /^-- $/) {
- if ($diff) {
- for (my $i=1; $x+$i+1<scalar(@$lines); $i++) {
- if ($$lines[$x+$i] =~ /^\-{3}\ .+/ &&
- $$lines[$x+$i+1] =~ /^\+{3}\ .+/)
- {
- $sig = 0;
- @sig = @$lines[$x..$#$lines];
- splice(@$lines, $x);
- last;
- }
- }
- if (scalar(@sig)) { last; }
- }
-
- if ($sig || ($lsig && ($#$lines-$x>$lsig))) {
- if ($lsig && !$sig) {
- push(@sig, "[---=| Overlong signature removed by $0: " .
- (scalar(@$lines)-$x) . " lines snipped |=---]\n");
- }
- splice(@$lines, $x);
- }
- elsif ($#$lines-$x<=($lsig?$lsig:$maxsig)) {
- @sig = @$lines[$x..$#$lines];
- splice(@$lines, $x);
- }
- last;
- }
- }
- }
-
- # Now care about TOFU.
- # One common mispractice is M$ style TOFU:
- if ($ms) {
- # bloat this array if you want more internationalization:
- my @tofu = ('Original Message',
- 'Ursprüngliche Nachricht',
- 'Ursprungliche Nachricht',
- 'Mensagem original');
-
- DONE: for ($x=0; $x<scalar(@$lines); $x++) {
- if (!$vrb[$x]) {
- foreach my $tmp (@tofu) {
- if ($$lines[$x] =~ /^-+\s?$tmp\s?-+\s*$/) {
- $x++;
- last DONE;
- }
- }
- }
- }
-
- $j = scalar(@$lines)-$x;
- splice(@$lines, $x);
- }
-
- # Nothing? Then try traditional TOFU:
- if ($trad && (!$j) && !$vrb[$#$lines]) {
- if (scalar(@$lines) && $$lines[$#$lines] =~ /^\s*$/) {
- unshift(@sig, pop(@$lines));
- }
- while (scalar(@$lines) && $$lines[$#$lines] =~ /^\s*$/) {
- pop(@$lines);
- }
- while (scalar(@$lines) && $$lines[$#$lines] =~ /^$indent/) {
- $j++;
- pop(@$lines);
- }
- }
-
- # OK, if we found TOFU, we will leave a message that we were here...
- if ($j) {
- # make sendmail bounce if we shall be picky
- # and indeed found something:
- if ($mda) {
- print STDERR $boun;
-
- if ($sysl) {
- eval { require Sys::Syslog; };
- if ($@) { warn $@; } else {
- Sys::Syslog::setlogsock('unix');
- Sys::Syslog::openlog("$0[$$]", 'pid', 'mail');
- Sys::Syslog::syslog('debug', 'bounced message %s', $hdr[0]);
- Sys::Syslog::closelog();
- }
- }
-
- exit $EX_BOUNCE;
- }
-
- push(@$lines, "[---=| TOFU protection by $0: $j lines snipped |=---]\n");
- }
-
-
- # Care for trailing whitespaces:
- if ($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/([.?!])(\1{2})\1+/$1 . $2/eg; }
- }
- }
-
- # (Nearly) at last care for multiple blank lines. (Do not do this
- # earlier -- the way it is done right now would screw up the verbatim
- # list)
- if ($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);
- for ($x=0; $x<scalar(@hdr); $x++) {
- if ($hdr[$x] =~ s/^(Lines:\s+)(\d+)(\s*)?$/$1 . $l . ($3?$3:'')/e &&
- $2!=$l)
- {
- $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);
+ 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; }; }
+ @hdr = @$lines[0..$x];
+ splice(@$lines, 0, $x+1);
+ }
+ # 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($lines, \@vrb); }
+
+ # Now care about TOFU.
+ # One common mispractice is M$ style TOFU:
+ if ($ms) {
+ # bloat this array if you want more internationalization:
+ my @tofu = ('Original Message',
+ '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 ($$lines[$x] =~ /^-+\s?$tmp\s?-+/) {
+ $x++;
+ $trad = 0;
+ $bigqn = 0;
+ last DONE;
+ }
+ }
+
+ if ((!$k) && $$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, $cr, $sysl, $diff, $elli, $footers, $ml, $ms, $mda, $mua,
- $hdrs, $lsig, $sig, $trad, $trsp) =
- (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
-my $ifile = '-'; # use STDIN if nothing specified
+($ad, $ads, $bigqn, $bigqx, $check, $cr, $sysl, $diff, $elli, $footers, $lax,
+ $ml, $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:
-$0 =~ s!^.*/!!;
-Getopt::Mixed::init('a A=s c d e h i=s L=s l m M=s o=s P=s p=s r S:i'.
- ' s t v w debug>d diff help>h mua>M version>v');
+Getopt::Mixed::init('a A=s c d e h i=s k L=s l m M=s o=s P=s p:s r S:i'.
+ ' s t v w bigq:s body check:s debug>d diff ftr-ad ftr-ml help>h'.
+ ' kminl=i kmaxl=i kdiff=i lax-security locale=s ms-smart mua>M'.
+ ' pgp-short pgp-move pgp-move-vrf sigsmax:i spass version>v');
while (my ($opt, $val, $pretty) = nextOption()) {
- if ($opt eq 'a') { $ad = 1; }
- elsif ($opt eq 'A') { $ads = $val; }
- elsif ($opt eq 'c') { $cr = 1; }
- elsif ($opt eq 'd') { $sysl = 1; }
- elsif ($opt eq 'diff') { $diff = 1; }
- elsif ($opt eq 'e') { $elli = 1; }
- elsif ($opt eq 'i') { $ifile = $val; }
- elsif ($opt eq 'L') { $footers = $val; }
- elsif ($opt eq 'l') { $ml = 1; }
- elsif ($opt eq 'm') { $ms = 1; }
- elsif ($opt eq 'M') { $mua = $val; }
- elsif ($opt eq 'o') { $ofile = $val; }
- elsif ($opt eq 'P') { $boun = $val; }
- elsif ($opt eq 'p') { $mda = $val; }
- elsif ($opt eq 'r') { $hdrs = 1; }
- elsif ($opt eq 'S') { $lsig = $val ? $val : $maxsig; }
- elsif ($opt eq 's') { $sig = 1; }
- elsif ($opt eq 't') { $trad = 1; }
- elsif ($opt eq 'v') { version(); }
- elsif ($opt eq 'w') { $trsp = 1; }
- else { help(); }
+ if ($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 '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 '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 && $footers eq '')||($ad && $ads eq '')) { help(); }
+if (($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:
-open(IN, $ifile) || die "Could not open $ifile: $!";
+if (!open(IN, $ifile)) { print STDERR "Could not open $ifile: $!\n"; exit(EX_IOERR); }
my @message = <IN>;
close IN;
process_msg(\@message);
# Finally, print clean lines:
-write_msg(($mda?"|$sendmail $mda":">$ofile"), \@message);
+if ($ofile ne 'NONE') {
+ write_msg(($mda?'|'.SENDMAIL." $mda":">$ofile"), \@message);
+}
+# vim600:set foldmethod=marker:
# eof
projects / pkg / t-prot.git / blobdiff