84 lines
2.2 KiB
Text
84 lines
2.2 KiB
Text
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#! /usr/bin/perl
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# put into the public domain by Bruce Guenter <bruceg@em.ca>
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# based heavily on code by Russell Nelson <nelson@qmail.org>, also in
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# the public domain
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# NO GUARANTEE AT ALL
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#
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# Creates a maildir from a mbox file
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# Assumes that nothing is trying to modify the mailboxe
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# version 0.00 - first release to the public.
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require 'stat.pl';
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sub error {
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print STDERR join("\n", @_), "\n";
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exit(1);
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}
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sub usage {
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print STDERR "usage: mbox2maildir <mbox file> <maildir> [ <uid> <gid> ]\n";
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exit(@_);
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}
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&usage(1) if $#ARGV != 1 && $#ARGV != 3;;
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$mbox = $ARGV[0];
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$mdir = $ARGV[1];
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$uid = $ARGV[2];
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$gid = $ARGV[3];
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&error("can't open mbox '$mbox'") unless
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open(SPOOL, $mbox);
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-d $mdir || mkdir $mdir,0700 ||
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&error("maildir '$mdir' doesn't exist and can't be created.");
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chown($uid,$gid,$mdir) if defined($uid) && defined($gid);
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chdir($mdir) || &error("fatal: unable to chdir to $mdir.");
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-d "tmp" || mkdir("tmp",0700) || &error("unable to make tmp/ subdir");
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-d "new" || mkdir("new",0700) || &error("unable to make new/ subdir");
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-d "cur" || mkdir("cur",0700) || &error("unable to make cur/ subdir");
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chown($uid,$gid,"tmp","new","cur") if defined($uid) && defined($gid);
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$stamp = time;
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sub open_msg {
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my($flags,$header) = @_;
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if($flags) {
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if($flags =~ /RO/) { $fn = "cur/$stamp.$$.mbox:2,S"; }
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elsif($flags =~ /O/) { $fn = "cur/$stamp.$$.mbox"; }
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else { $fn = "new/$stamp.$$.mbox"; }
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} else {
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$fn = "new/$stamp.$$.mbox";
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}
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$stamp++;
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close(OUT);
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open(OUT, ">$fn") || &error("unable to create new message");
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chown ($uid,$gid,$fn) if defined($uid) && defined($gid);
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print OUT @$header, "\n";
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}
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$in_header = 0;
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while(<SPOOL>) {
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if(/^Return-Path: /) {
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open_msg($flags, \@header) if $in_header;
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undef $flags;
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undef @header;
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$in_header = 1;
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push @header, "MBOX-Line: $_";
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} elsif($in_header) {
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if(/^\s+$/o) {
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$in_header = 0;
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open_msg($flags, \@header);
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} else {
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$flags = $1 if /^Status:\s+(\S+)/oi;
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push @header, $_;
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}
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} else {
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s/^>From /From /;
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print OUT || &error("unable to write to new message");
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}
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}
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close(SPOOL);
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open_msg($flags, \@header) if $in_header;
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close(OUT);
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