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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