[298] | 1 | #! /usr/bin/env lua |
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| 2 | |
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| 3 | -- |
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| 4 | -- Copyright (c) 2009 The NetBSD Foundation, Inc. |
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| 5 | -- All rights reserved. |
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| 6 | -- |
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| 7 | -- This code is derived from software contributed to The NetBSD Foundation |
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| 8 | -- by Alistair Crooks (agc@netbsd.org) |
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| 9 | -- |
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| 10 | -- Redistribution and use in source and binary forms, with or without |
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| 11 | -- modification, are permitted provided that the following conditions |
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| 12 | -- are met: |
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| 13 | -- 1. Redistributions of source code must retain the above copyright |
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| 14 | -- notice, this list of conditions and the following disclaimer. |
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| 15 | -- 2. Redistributions in binary form must reproduce the above copyright |
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| 16 | -- notice, this list of conditions and the following disclaimer in the |
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| 17 | -- documentation and/or other materials provided with the distribution. |
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| 18 | -- |
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| 19 | -- THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
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| 20 | -- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
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| 21 | -- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 22 | -- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
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| 23 | -- BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 24 | -- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 25 | -- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 26 | -- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 27 | -- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 28 | -- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 29 | -- POSSIBILITY OF SUCH DAMAGE. |
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| 30 | -- |
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| 31 | |
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| 32 | -- command line args |
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| 33 | dofile "optparse.lua" |
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| 34 | |
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| 35 | opt = OptionParser{usage="%prog [options] file", version="20090711"} |
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| 36 | |
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| 37 | opt.add_option{"-s", "--sign", action="store_true", dest="sign", help="--sign [--detached] [--armour] file"} |
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| 38 | opt.add_option{"-v", "--verify", action="store_true", dest="verify", help="--verify [--armour] file"} |
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| 39 | opt.add_option{"-e", "--encrypt", action="store_true", dest="encrypt", help="--encrypt [--armour] file"} |
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| 40 | opt.add_option{"-d", "--decrypt", action="store_true", dest="decrypt", help="--decrypt [--armour] file"} |
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| 41 | opt.add_option{"-h", "--homedir", action="store", dest="homedir", help="--homedir directory"} |
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| 42 | opt.add_option{"-o", "--output", action="store", dest="output", help="--output file"} |
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| 43 | opt.add_option{"-a", "--armour", action="store_true", dest="armour", help="--armour"} |
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| 44 | opt.add_option{"-D", "--detached", action="store_true", dest="detached", help="--detached"} |
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| 45 | |
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| 46 | -- caller lua script |
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| 47 | local extension = ".so" |
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| 48 | f = io.open("libluanetpgp.dylib", "r") |
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| 49 | if f then |
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| 50 | extension = ".dylib" |
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| 51 | io.close(f) |
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| 52 | end |
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| 53 | glupkg = package.loadlib("libluanetpgp" .. extension, "luaopen_netpgp") |
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| 54 | netpgp = glupkg() |
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| 55 | |
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| 56 | -- initialise |
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| 57 | pgp = netpgp.new() |
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| 58 | |
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| 59 | -- parse command line args |
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| 60 | options,args = opt.parse_args() |
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| 61 | |
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| 62 | -- set defaults |
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| 63 | local output = options.output or "" |
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| 64 | local armour = "binary" |
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| 65 | if options.armour then |
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| 66 | armour = "armour" |
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| 67 | end |
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| 68 | local detached = "attached" |
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| 69 | if options.detached then |
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| 70 | detached = "detached" |
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| 71 | end |
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| 72 | if options.homedir then |
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| 73 | netpgp.homedir(pgp, options.homedir) |
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| 74 | end |
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| 75 | |
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| 76 | -- initialise everything |
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| 77 | netpgp.init(pgp) |
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| 78 | |
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| 79 | local i |
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| 80 | for i = 1, #args do |
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| 81 | if options.encrypt then |
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| 82 | -- encrypt a file |
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| 83 | netpgp.encrypt_file(pgp, args[1], output, armour) |
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| 84 | os.execute("ls -l " .. args[1] .. ".gpg") |
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| 85 | end |
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| 86 | if options.decrypt then |
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| 87 | -- decrypt file |
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| 88 | netpgp.decrypt_file(pgp, args[1], output, armour) |
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| 89 | end |
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| 90 | if options.sign then |
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| 91 | -- detached signature |
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| 92 | netpgp.sign_file(pgp, args[1], output, armour, detached) |
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| 93 | os.execute("ls -l " .. args[1] .. ".sig") |
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| 94 | end |
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| 95 | if options.verify then |
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| 96 | -- verification of detached signature |
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| 97 | netpgp.verify_file(pgp, args[1], armour) |
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| 98 | end |
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| 99 | end |
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