/usr/lib/cyrus/upgrade/undohash is in cyrus-common-2.4 2.4.17+caldav~beta9-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | #!/usr/bin/perl -w
# script to downgrade from cyrus imapd 1.6.2+ to earlier.
# do NOT run this script while imapd's are running
#
# Copyright (c) 1994-2008 Carnegie Mellon University. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. The name "Carnegie Mellon University" must not be used to
# endorse or promote products derived from this software without
# prior written permission. For permission or any legal
# details, please contact
# Carnegie Mellon University
# Center for Technology Transfer and Enterprise Creation
# 4615 Forbes Avenue
# Suite 302
# Pittsburgh, PA 15213
# (412) 268-7393, fax: (412) 268-7395
# innovation@andrew.cmu.edu
#
# 4. Redistributions of any form whatsoever must retain the following
# acknowledgment:
# "This product includes software developed by Computing Services
# at Carnegie Mellon University (http://www.cmu.edu/computing/)."
#
# CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
# FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
# AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
# OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# $Id: undohash,v 1.11 2010/01/06 17:02:02 murch Exp $
require 5;
$| = 1;
sub read_conf {
my $file = shift;
open CONF, $file or die "can't open $file";
while (<CONF>) {
if (/^#/) {
next;
}
if (/\@include:\s+(.*)$/) {
push @configs, $1;
}
if (/^configdirectory:\s+(.*)$/) {
$confdir = $1;
}
if (/^(?:meta)?partition-.*:\s+(.*)$/) {
if (grep /$1/, @parts) {
next;
}
push @parts, $1;
}
if (/^hashimapspool:\s*(1|t|yes|on)/) {
$hashispool = 1;
print "i will also hash partitions.\n";
}
}
close CONF;
}
$imapdconf = shift || "/etc/imapd.conf";
$hashispool = 0;
push @configs, $imapdconf;
while ($conf = shift @configs) {
read_conf($conf);
}
print "downgrading configuration directory $confdir...";
chdir $confdir or die "couldn't change to $confdir";
# *** user subdirectory; holds subscription files
print "user ";
chdir "user" or die "couldn't change to user subdir";
foreach $i ("a".."z") {
opendir SUB, $i;
while ($s = readdir SUB) {
if ($s =~ /^\./s) { next; }
rename("$i/$s", "$s") or die "couldn't move $s back!";
}
closedir SUB;
rmdir "$i" or die "couldn't remove $i";
}
chdir "..";
# *** quota subdirectory; holds quota files for each quotaroot
print "quota ";
chdir "quota" or die "couldn't change to quota subdir";
# first, create directories we know can't conflict with existing files
foreach $i ("a".."z") {
rename ($i, ".$i") or die "couldn't rename $i to .$i";
opendir SUB, ".$i";
while ($s = readdir SUB) {
if ($s =~ /^\./s) { next; }
rename(".$i/$s", $s) or die "couldn't move $s back!";
}
closedir SUB;
rmdir ".$i" or die "couldn't remove .$i";
}
chdir "..";
print "done\n";
# *** now for each data partition
while ($hashispool && ($part = shift @parts)) {
print "downgrading data partition $part...";
chdir $part or die "couldn't chdir to $part";
foreach $i ("a".."z") {
rename ("$i", ".$i") or die "couldn't rename $i to .$i";
}
# process each subdir
foreach $i ("a".."z") {
print "$i ";
opendir SUB, ".$i";
while ($s = readdir SUB) {
if ($s =~ /^\./s) { next; }
mkdir $s, 0755; # ignore errors as it might already exist
opendir MV, ".$i/$s";
while ($t = readdir MV) {
if ($t =~ /^\./s) { next; }
rename (".$i/$s/$t", "$s/$t") or
die "couldn't rename .$i/$s/$t to $s/$t";
}
closedir MV;
}
closedir SUB;
rmdir ".$i";
}
print "done\n";
}
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