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RCS file: RCS/imapsync,v
Working file: imapsync
head: 1.5
branch:
locks: strict
gilles: 1.5
access list:
symbolic names:
keyword substitution: kv
total revisions: 5; selected revisions: 5
description:
----------------------------
revision 1.5 locked by: gilles;
date: 2003/03/14 01:20:37; author: gilles; state: Exp; lines: +14 -6
Better debug output.
----------------------------
revision 1.4
date: 2003/03/14 01:01:08; author: gilles; state: Exp; lines: +143 -15
Added documentation.
Added --folder option.
Added error counter.
----------------------------
revision 1.3
date: 2003/03/12 23:19:58; author: gilles; state: Exp; lines: +276 -166
Adapted from transfert-bal-verify.pl
Added usage()
Changed variable names.
Added get_options()
Added option controls.
----------------------------
revision 1.2
date: 2001/07/29 23:27:52; author: gilles; state: Exp; lines: +7 -4
8bit -> X
----------------------------
revision 1.1
date: 2001/07/29 22:34:01; author: gilles; state: Exp;
Initial revision
=============================================================================

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GNU GENERAL PUBLIC LICENSE
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Also add information on how to contact you by electronic and paper mail.
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or your
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<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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# $Id: INSTALL,v 1.1 2003/03/12 23:14:27 gilles Exp gilles $
#
# INSTALL file for ftpsync
GETTING
-------
http://www.linux-france.org/prj/imapsync/dist/
TESTING
-------
You need a running imap server on localhost with two accounts
toto@est.belle with a password located in the file /var/tmp/secret1
titi@est.belle with a password located in the file /var/tmp/secret2
Of course, you can change the file tests.sh and run the tests with :
sh tests.sh
The tests.sh script break on first failure ("set -e" directive).
INSTALLING
----------
To see what will be done, just run:
make -n install
To install imapsync, just run:
make install
or copy the file imapsync where you want it to be.

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# $Id: Makefile,v 1.1 2003/03/12 23:14:02 gilles Exp gilles $
TARGET=imapsync
.PHONY: help usage all
help: usage
usage:
@echo " $(TARGET) $(VERSION), You can do :"
@echo make install # as root
@echo make testf # run tests
@echo make testv # run tests verbosely
@echo make all
all: test ChangeLog README
.PHONY: test testp testf
.test: $(TARGET) tests.sh
sh tests.sh 1>/dev/null
touch .test
testv:
sh -x tests.sh
test: .test
testf: clean_test test
testp :
perl -c $(TARGET)
ChangeLog: $(TARGET)
rlog $(TARGET) > ChangeLog
README: $(TARGET)
perldoc -t $(TARGET) > README
.PHONY: clean clean_tilde clean_test
clean: clean_tilde clean_test
clean_test:
rm -f .test
clean_tilde:
rm -f *~
.PHONY: install dist
install: testp
cp $(TARGET) /usr/bin/$(TARGET)
chmod 755 /usr/bin/$(TARGET)
DIST_NAME=$(TARGET)-$(VERSION)
DIST_FILE=$(DIST_NAME).tgz
VERSION=$(shell ./$(TARGET) --version)
dist: cidone clean_dist all INSTALL
echo making tarball $(DIST_FILE)
mkdir -p dist
mkdir -p ../prepa_dist/$(DIST_NAME)
rsync -aCv --delete ./ ../prepa_dist/$(DIST_NAME)
cd ../prepa_dist && tar czfv $(DIST_FILE) $(DIST_NAME)
cp -f ../prepa_dist/$(DIST_FILE) dist/
cd dist && md5sum $(DIST_FILE) > $(DIST_FILE).md5
cd dist && md5sum -c $(DIST_FILE).md5
.PHONY: cidone clean_dist
cidone:
rcsdiff RCS/*
clean_dist:
rm -f dist/*
# Local goals
.PHONY: lfo
lfo: dist
rsync -av --delete . \
/home/gilles/public_html/www.linux-france.org/html/prj/$(TARGET)/
sh ~/memo/lfo-rsync

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NAME
imapsync - synchronize mailboxes between two imap servers.
$Revision: 1.5 $
INSTALL
Get imapsync at http://www.linux-france.org/prj/imapsync/dist/
tar xzvf imapsync-x.xx.tgz # x.xx is the version number
Read the INSTALL file.
freshmeat record: http://freshmeat.net/projects/imapsync/
SYNOPSIS
imapsync [options] SOURCE DEST
imapsync [--host1 server1] [--port1 <num>]
[--user1 <string>] [--passfile1 <string>]
[--host2 server2] [--port2 <num>]
[--user2 <string>] [--passfile2 <string>]
[--folder <string> --folder <string> ...]
[--delete] [--expunge]
[--dry]
[--debug] [--debugimap]
[--version] [--help]
imapsync --help
imapsync
DESCRIPTION
The command imapsync is a tool allowing incremental and recursive imap
transfer from one mailbox to another.
We sometimes need to transfer mailboxes from one imap server to another.
This is called migration.
imapsync is the adequate tool because it reduces the amount of data
transfered by not transfering a given message if it is already on both
sides. All flags are preserved, unread will stay unread, read will stay
read, deleted will stay deleted.
OPTIONS
Invoke: imapsync --help
HISTORY
I wrote imapsync because an enterprise (basystemes) paid me to install a
new imap server without loosing huge old mailboxes located on a far away
remote imap server accessible by a low bandwith link. The tool imapcp
(written in python) could not help me because I had to verify every
mailbox was well transfered and delete it after a good transfert.
imapsync started its life being a copy_folder.pl patch. The tool
copy_folder.pl comes from the Mail-IMAPClient-2.1.3 perl module tarball
source (in the examples/ directory).
EXAMPLES
While working on imapsync parameters please run imapsync in dry mode (no
modification induced) with the --dry option. Nothing bad can be done
this way.
To synchronize the imap account "buddy" on host "imap.src.fr" to the
imap account "max" on host "imap.dest.fr" (the passwords are located in
too files "/etc/secret1" for "buddy", "/etc/secret2" for "max") :
imapsync --host1 imap.src.fr --user1 buddy --passfile1 /etc/secret1 \
--host2 imap.dest.fr --user2 max --passfile2 /etc/secret2
Then, you will have buddy's mailbox updated from max's mailbox.
EXIT STATUS
imapsync will exit with a 0 status (return code) if everything went
good. Otherwise, it exits with a non-zero status.
So if you have a buggy internet connection, you can use this loop in a
Bourne shell:
while ! imapsync ...; do
echo imapsync not complete
done
AUTHOR
Gilles LAMIRAL lamiral@linux-france.org
LICENSE
imapsync is free, gratis and open source software cover by the GNU
General Public License. See the GPL file included in the distribution or
the web site http://www.gnu.org/licenses/licenses.html
BUGS
No known bug. Report any bugs to the author: lamiral@linux-france.org
SIMILAR SOFTWARES
None known. Feedback will be welcome.
$Id: imapsync,v 1.5 2003/03/14 01:20:37 gilles Exp gilles $

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#!/usr/bin/perl -w
=head1 NAME
imapsync - synchronize mailboxes between two imap servers.
$Revision: 1.5 $
=head1 INSTALL
Get imapsync at http://www.linux-france.org/prj/imapsync/dist/
tar xzvf imapsync-x.xx.tgz # x.xx is the version number
Read the INSTALL file.
freshmeat record: http://freshmeat.net/projects/imapsync/
=head1 SYNOPSIS
imapsync [options] SOURCE DEST
imapsync [--host1 server1] [--port1 <num>]
[--user1 <string>] [--passfile1 <string>]
[--host2 server2] [--port2 <num>]
[--user2 <string>] [--passfile2 <string>]
[--folder <string> --folder <string> ...]
[--delete] [--expunge]
[--dry]
[--debug] [--debugimap]
[--version] [--help]
imapsync --help
imapsync
=cut
# comment
=pod
=head1 DESCRIPTION
The command imapsync is a tool allowing incremental and recursive
imap transfer from one mailbox to another.
We sometimes need to transfer mailboxes from one imap server to
another. This is called migration.
imapsync is the adequate tool because it reduces the amount of data
transfered by not transfering a given message if it is already on
both sides. All flags are preserved, unread will stay unread, read
will stay read, deleted will stay deleted.
=head1 OPTIONS
Invoke: imapsync --help
=head1 HISTORY
I wrote imapsync because an enterprise (basystemes) paid me to install
a new imap server without loosing huge old mailboxes located on a far
away remote imap server accessible by a low bandwith link. The tool
imapcp (written in python) could not help me because I had to verify
every mailbox was well
transfered and delete it after a good transfert. imapsync started its life
being a copy_folder.pl patch.
The tool copy_folder.pl comes from the Mail-IMAPClient-2.1.3 perl
module tarball source (in the examples/ directory).
=head1 EXAMPLES
While working on imapsync parameters please run imapsync in dry mode (no
modification induced) with the --dry option. Nothing bad can be done
this way.
To synchronize the imap account "buddy" on host "imap.src.fr" to the
imap account "max" on host "imap.dest.fr" (the passwords are located
in too files "/etc/secret1" for "buddy", "/etc/secret2" for "max") :
imapsync --host1 imap.src.fr --user1 buddy --passfile1 /etc/secret1 \
--host2 imap.dest.fr --user2 max --passfile2 /etc/secret2
Then, you will have buddy's mailbox updated from max's mailbox.
=head1 EXIT STATUS
imapsync will exit with a 0 status (return code) if everything went good.
Otherwise, it exits with a non-zero status.
So if you have a buggy internet connection, you can use this loop
in a Bourne shell:
while ! imapsync ...; do
echo imapsync not complete
done
=head1 AUTHOR
Gilles LAMIRAL lamiral@linux-france.org
=head1 LICENSE
imapsync is free, gratis and open source software cover by the GNU General
Public License. See the GPL file included in the distribution or the web site
http://www.gnu.org/licenses/licenses.html
=head1 BUGS
No known bug.
Report any bugs to the author: lamiral@linux-france.org
=head1 SIMILAR SOFTWARES
None known.
Feedback will be welcome.
$Id: imapsync,v 1.5 2003/03/14 01:20:37 gilles Exp gilles $
=cut
++$|;
use strict;
use Getopt::Long;
use Mail::IMAPClient;
use Digest::MD5 qw(md5_base64);
my(
$rcs, $debug, $debugimap, $error,
$host1, $host2, $port1, $port2,
$user1, $user2, $password1, $password2, $passfile1, $passfile2,
@folder,
$delete, $expunge, $dry,
$version, $VERSION, $help,
);
use vars qw ($opt_G); # missing code for this will be option.
$rcs = ' $Id: imapsync,v 1.5 2003/03/14 01:20:37 gilles Exp gilles $ ';
$rcs =~ m/,v (\d+\.\d+)/;
$VERSION = ($1) ? $1 : "UNKNOWN";
$error=0;
get_options();
sub missing_option {
my ($option) = @_;
die "$option option must be used, run $0 --help for help\n";
}
$host1 || missing_option("--host1") ;
$port1 = (defined($port1)) ? $port1 : 143;
$user1 || missing_option("--user1");
$password1 || $passfile1 || missing_option("--passfile1 or --password1");
$password1 = (defined($passfile1)) ? firstline ($passfile1) : $password1;
$host2 || missing_option("--host2") ;
$port2 = (defined($port2)) ? $port2 : 143;
$user2 || missing_option("--user2");
$password2 || $passfile2 || missing_option("--passfile2 or --password2");
$password2 = (defined($passfile2)) ? firstline ($passfile2) : $password2;
print "From imap server [$host1] port [$port1] user [$user1]\n";
print "To imap server [$host2] port [$port2] user [$user2]\n";
my $from = ();
my $to = ();
$from = Mail::IMAPClient->new( Server => $host1,
User => $user1,
Password => $password1,
Fast_IO => 1,
Uid => 1,
Peek => 1,
Debug => $debugimap,)
or die "can't open imap connection on [$host1] with user [$user1]\n";
$to = Mail::IMAPClient->new( Server => $host2,
User => $user2,
Password=> $password2,
Fast_IO => 1,
Uid => 1,
Peek => 1,
Debug => 0,)
or die "can't open imap connection on [$host2] with user [$user2]\n";
my @f_folders = (scalar(@folder)) ? @folder : @{$from->folders()};
FOLDER: foreach my $f_fold (@f_folders) {
my $t_fold;
print "From Folder $f_fold\n";
unless ($f_fold =~ m/^INBOX/) {
$t_fold = "INBOX." . $f_fold;
}else {
$t_fold = $f_fold;
}
$t_fold =~ s@\\@\.@g;
$t_fold =~ s@\/@\.@g;
unless ($from->select($f_fold)) {
warn
"From Folder $f_fold : Could not select ",
$from->LastError, "\n";
$error++;
next FOLDER;
}
unless ($to->exists($t_fold)) {
print "To Folder $t_fold does not exist\n";
print "Creating folder $t_fold\n";
unless ($dry){
unless ($to->create($t_fold)){
warn "Couldn't create $t_fold ",
$to->LastError,"\n";
$error++;
next FOLDER;
}
}else{
next FOLDER;
}
}
unless ($to->select($t_fold)) {
warn
"To Folder $t_fold : Could not select ",
$to->LastError, "\n";
$error++;
next FOLDER;
}
if ($expunge){
print "Expunging $f_fold and $t_fold\n";
$from->expunge();
$to->expunge();
}
my @f_msgs = $from->search("ALL");
$debug and print "LIST FROM : @f_msgs\n";
my @t_msgs = $to->search("ALL");
$debug and print "LIST TO : @t_msgs\n";
my %f_hash = ();
my %t_hash = ();
sub header_parse {
# @msgs_all;
# %hash;
}
$debug and print "From Parse\n";
foreach my $m (@f_msgs) {
$debug and print "-" x 50, "\nMSG $m\n";
my $head = $from->parse_headers($m,"ALL");
my $headstr;
$debug and print "Head NUM:", scalar(keys(%$head)), "\n";
next unless(scalar(keys(%$head)));
foreach my $h (sort keys(%$head)){
my $val = $head->{$h}[0];
# no accent in headers !
$val =~ y/éèàù/XXXX/;
$debug and print "H $h:", $val, "\n";
$headstr .= "$h:". $val;
}
my $m_md5 = md5_base64($headstr);
my $size = $from->size($m);
$debug and print "From $m:$m_md5:$size\n";
$f_hash{"$m_md5:$size"}{'5'} = "$m_md5:$size";
$f_hash{"$m_md5:$size"}{'s'} = $size;
$f_hash{"$m_md5:$size"}{'m'} = $m;
}
$debug and print "To Parse\n";
foreach my $m (@t_msgs) {
$debug and print "-" x 50, "\nMSG $m\n";
my $head = $to->parse_headers($m,"ALL");
my $headstr;
$debug and print "Head NUM:", scalar(keys(%$head)), "\n";
next unless(scalar(keys(%$head)));
foreach my $h (sort keys(%$head)){
$debug and print "$h:", $head->{$h}[0], "\n";
$headstr .= "$h:".$head->{$h}[0];
}
my $m_md5 = md5_base64($headstr);
my $size = $to->size($m);
$debug and print "To $m:$m_md5:$size\n";
$t_hash{"$m_md5:$size"}{'5'} = "$m_md5:$size";
$t_hash{"$m_md5:$size"}{'s'} = $size;
$t_hash{"$m_md5:$size"}{'m'} = $m;
}
$debug and print "Verifying\n";
# messages in "from" that are not good in "to"
MESS: foreach my $m_id (keys(%f_hash)) {
my $f_size = $f_hash{$m_id}{'s'};
my $f_msg = $f_hash{$m_id}{'m'};
$debug and print "key $m_id #$f_msg\n";
unless (exists($t_hash{$m_id})) {
print "Message NO msg #$f_msg $m_id in $t_fold\n";
# copy
print "Copying msg #$f_msg:$f_size to folder $t_fold\n";
unless ($dry) {
my $string = $from->message_string($f_msg);
#$opt_y and print $string;
my $new_id;
unless($new_id = $to->append($t_fold,$string)){
warn "Couldn't append msg #$f_msg to folder $t_fold",
$to->LastError, "\n";
$error++;
next MESS;
}else{
# good
print "Copied msg #$f_msg to folder $t_fold msg #$new_id\n";
$to->store($new_id,
"+FLAGS (" . join(" ",
@{$from->flags($f_msg)}
) . ")");
}
}
next MESS;
}else{
$debug and print "Message $m_id found in t:$t_fold\n";
}
#$debug and print "MESSAGE $m_id\n";
my $t_size = $t_hash{$m_id}{'s'};
my $t_msg = $t_hash{$m_id}{'m'};
unless ($f_size == $t_size) {
print
"Message $m_id SZ_BAD f:$f_msg:$f_size t:$t_msg:$t_size\n";
# delete in to and recopy ?
# NO recopy CODE HERE. to be written if needed.
$error++;
if ($opt_G){
print "Deleting msg f:#$t_msg in folder $t_fold\n";
$to->delete_message($t_msg);
}
}else {
# Good
$debug and print
"Message $m_id SZ_GOOD f:$f_msg:$f_size t:$t_msg:$t_size\n";
if($delete) {
print "Deleting msg #$f_msg in folder $f_fold\n";
$from->delete_message($f_msg);
}
}
}
}
stats();
sub stats {
print "Detected $error errors\n";
}
sub get_options
{
my $numopt = scalar(@ARGV);
my $opt_ret = GetOptions(
"debug" => \$debug,
"debugimap" => \$debugimap,
"host1=s" => \$host1,
"host2=s" => \$host2,
"port1=i" => \$port1,
"port2=i" => \$port2,
"user1=s" => \$user1,
"user2=s" => \$user2,
"password1=s" => \$password1,
"password2=s" => \$password2,
"passfile1=s" => \$passfile1,
"passfile2=s" => \$passfile2,
"folder=s" => \@folder,
"delete!" => \$delete,
"dry!" => \$dry,
"expunge!" => \$expunge,
"version" => \$version,
"help" => \$help,
);
$debug and print "get options: [$opt_ret]\n";
print "$VERSION\n" and exit if ($version) ;
usage() and exit if ($help or ! $numopt) ;
exit unless ($opt_ret) ;
}
sub firstline {
# extract the first line of a file (without \n)
my($file) = @_;
my $line = "";
open FILE, $file or die("$! $file");
chomp($line = <FILE>);
close FILE;
$line = ($line) ? $line : "!EMPTY! $file";
return $line;
}
sub usage {
print <<EOF;
usage: $0 [options]
Several options are mandatory.
--host1 <string> : "from" imap server. Mandatory.
--port1 <int> : port to connect. Default is 143.
--user1 <string> : user to login. Mandatory.
--password1 <string> : password for the user1. Dangerous, use --passfile1
--passfile1 <string> : password file for the user1. Contains the password.
--host2 <string> : "destination" imap server. Mandatory.
--port2 <int> : port to connect. Default is 143.
--user2 <string> : user to login. Mandatory.
--password2 <string> : password for the user2. Dangerous, use --passfile2
--passfile2 <string> : password file for the user2. Contains the password.
--folder <string> : sync only this folder
--folder <string> : and this one.
--folder <string> : and this one, etc.
--delete : delete messages in "from" imap server after
a successful transfert. useful in case you
want to migrate from one server to another one.
With imap, delete tags messages as deleted, they
are not really deleted. See expunge.
--expunge : expunge messages on both account.
expunge delete messages marked deleted.
--dry : do nothing, just print what would be done.
--debug : debug mode.
--debugimap : imap debug mode.
--version : print sotfware version.
--help : print this.
Example: to synchronise imap account "foo" on "imap.truc.org"
to imap account "bar" on "imap.trac.org"
$0 \\
--host1 imap.troc.org --user1 foo --passfile1 /etc/secret1 \\
--host2 imap.trac.org --user2 bar --passfile2 /etc/secret2
$rcs
imapsync copyleft is the GNU General Public License.
EOF
}

3
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@ -0,0 +1,3 @@
perl -mMail::IMAPClient -e ''

124
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@ -0,0 +1,124 @@
#!/bin/sh
# $Id: tests.sh,v 1.1 2003/03/12 23:14:45 gilles Exp gilles $
# $Log: tests.sh,v $
# Revision 1.1 2003/03/12 23:14:45 gilles
# Initial revision
#
#### Shell pragmas
exec 3>&2
#set -x # debug mode. See what is running
set -e # exit on first failure
#### functions definitions
echo3() {
#echo '#####################################################' >&3
echo "$*" >&3
}
run_test() {
echo3 "#### $test_count $1"
$1
if test x"$?" = x"0"; then
echo "$1 passed"
else
echo "$1 failed" >&2
fi
}
run_tests() {
for t in $*; do
test_count=`expr 1 + $test_count`
run_test $t
sleep 1
done
}
#### Variable definitions
prog=imapsync
host1=localhost
host2=localhost
passfile1=/var/tmp/secret1
passfile2=/var/tmp/secret2
user1=toto@est.belle
user2=titi@est.belle
dirtest=/tmp/${prog}/test
test_count=0
##### The tests functions
perl_syntax() {
perl -c ./${prog}
}
no_args() {
./${prog}
}
cleaning_test_directory() {
test -d $dirtest && find $dirtest -type d| xargs chmod 700
rm -rf $dirtest
mkdir -p $dirtest
}
first_sync() {
./imapsync \
--host1 $host1 --user1 $user1 --passfile1 $passfile1 \
--host2 $host2 --user2 $user2 --passfile2 $passfile2
}
loulplume() {
if test X`hostname` = X"plume"; then
echo3 Here is plume
./imapsync \
--host1 loul --user1 tata --passfile1 /var/tmp/secret.tata \
--host2 plume --user2 tata@est.belle --passfile2 /var/tmp/secret.tata
else
:
fi
}
plumeloul() {
if test X`hostname` = X"plume"; then
echo3 Here is plume
./imapsync \
--host1 plume --user1 tata@est.belle --passfile1 /var/tmp/secret.tata \
--host2 loul --user2 tata --passfile2 /var/tmp/secret.tata
else
:
fi
}
# mandatory tests
run_tests perl_syntax
# All tests
test $# -eq 0 && run_tests \
no_args \
first_sync \
loulplume \
plumeloul
# selective tests
test $# -gt 0 && run_tests $*
# If there, all is good
echo3 ALL $test_count TESTS SUCCESSFUL