/usr/sbin/amgpgcrypt is in amanda-common 1:3.3.9-5.
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 | #!/usr/bin/perl -w
#
# Copyright (c) 2007-2013 Zmanda, Inc. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Contact information: Zmanda Inc, 465 S. Mathilda Ave., Suite 300
# Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
#
# Amanda has problem with gpg mdc(modification detection code) in the binary mode.
# This program encrypt with mdc disabled.
# If mdc is required, use --armor option.
# Run perl.
eval '(exit $?0)' && eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
& eval 'exec /usr/bin/perl -S $0 $argv:q'
if 0;
use Time::Local;
my $AMANDA='backup';
my $saw_sigint = 0;
$AMANDA_HOME = (getpwnam($AMANDA) )[7] || die "Cannot find $AMANDA home directory\n" ;
#The following two ($AM_PASS, $AM_PRIV) are needed only for restore/recover
#They should be protected and stored away during other time.
$AM_PASS = "$AMANDA_HOME/.am_passphrase";
$AM_PRIV = "$AMANDA_HOME/.gnupg/secring.gpg";
$ENV{'PATH'} = '/usr/local/bin:/usr/bin:/usr/sbin:/bin:/sbin:/opt/csw/bin';
$ENV{'GNUPGHOME'} = "$AMANDA_HOME/.gnupg";
sub do_gpg_agent() {
my $path=`which gpg-agent 2>/dev/null`;
chomp $path;
if (-x $path) {
return "gpg-agent --daemon --";
}
return ""
}
sub which_gpg() {
my $path=`which gpg2 2>/dev/null`;
if (!$path) {
$path=`which gpg 2>/dev/null`;
}
if (!$path) {
die("no gpg or gpg2");
}
chomp $path;
return $path;
}
sub encrypt() {
my $gpg_agent_cmd = do_gpg_agent();
my $gpg = which_gpg();
system "$gpg_agent_cmd $gpg --batch --disable-mdc --encrypt --cipher-algo AES256 --recipient $AMANDA";
sleep(2); # allow gpg-agent the time to exit
}
sub decrypt() {
my $gpg_agent_cmd = do_gpg_agent();
my $gpg = which_gpg();
system "$gpg_agent_cmd $gpg --batch --quiet --no-mdc-warning --secret-keyring $AM_PRIV --decrypt --passphrase-fd 3 3<$AM_PASS";
sleep(2); # allow gpg-agent the time to exit
}
sub my_sig_catcher {
$saw_sigint = 1;
}
#main
$SIG{'INT'} = 'my_sig_catcher';
if ( $#ARGV > 0 ) {
die "Usage: $0 [-d]\n";
}
if ( $#ARGV==0 && $ARGV[0] eq "-d" ) {
decrypt();
}
else {
encrypt();
}
$SIG{'INT'} = 'DEFAULT';
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