| 1 | #! /usr/bin/perl
|
|---|
| 2 |
|
|---|
| 3 | # Copyright Rainer Wichmann (2004)
|
|---|
| 4 | #
|
|---|
| 5 | # License Information:
|
|---|
| 6 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 7 | # it under the terms of the GNU General Public License as published by
|
|---|
| 8 | # the Free Software Foundation; either version 2 of the License, or
|
|---|
| 9 | # (at your option) any later version.
|
|---|
| 10 | #
|
|---|
| 11 | # This program is distributed in the hope that it will be useful,
|
|---|
| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 14 | # GNU General Public License for more details.
|
|---|
| 15 | #
|
|---|
| 16 | # You should have received a copy of the GNU General Public License
|
|---|
| 17 | # along with this program; if not, write to the Free Software
|
|---|
| 18 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 19 | #
|
|---|
| 20 |
|
|---|
| 21 | use warnings;
|
|---|
| 22 | use strict;
|
|---|
| 23 | use Getopt::Long;
|
|---|
| 24 | use File::Basename;
|
|---|
| 25 | use File::Copy;
|
|---|
| 26 | use File::stat;
|
|---|
| 27 | use File::Temp qw/ tempfile tempdir unlink0 /;
|
|---|
| 28 | use IO::Handle;
|
|---|
| 29 | use Fcntl qw(:DEFAULT :flock);
|
|---|
| 30 | use Tie::File;
|
|---|
| 31 |
|
|---|
| 32 | # Do I/O to the data file in binary mode (so it
|
|---|
| 33 | # wouldn't complain about invalid UTF-8 characters).
|
|---|
| 34 | use bytes;
|
|---|
| 35 |
|
|---|
| 36 | File::Temp->safe_level( File::Temp::HIGH );
|
|---|
| 37 |
|
|---|
| 38 | my %opts = ();
|
|---|
| 39 | my $action;
|
|---|
| 40 | my $file1;
|
|---|
| 41 | my $file2;
|
|---|
| 42 | my $passphrase;
|
|---|
| 43 | my $secretkeyring;
|
|---|
| 44 | my $return_from_sign = 0;
|
|---|
| 45 | my $no_print_examine = 0;
|
|---|
| 46 | my $no_remove_lock = 0;
|
|---|
| 47 | my $base = basename($0);
|
|---|
| 48 |
|
|---|
| 49 | my $cfgfile = "@myconffile@";
|
|---|
| 50 | my $datafile = "@mydatafile@";
|
|---|
| 51 | my $daemon = "@sbindir@/@install_name@";
|
|---|
| 52 | my $gpg = "@mygpg@";
|
|---|
| 53 |
|
|---|
| 54 | my $TARGETKEYID = "@mykeyid@";
|
|---|
| 55 | my $KEYTAG = "@mykeytag@";
|
|---|
| 56 |
|
|---|
| 57 | $cfgfile =~ s/^REQ_FROM_SERVER//;
|
|---|
| 58 | $datafile =~ s/^REQ_FROM_SERVER//;
|
|---|
| 59 |
|
|---|
| 60 | $gpg = "gpg" if ($gpg eq "");
|
|---|
| 61 |
|
|---|
| 62 | sub check_gpg_agent() {
|
|---|
| 63 | my $gpgconf = "$ENV{'HOME'}/.gnupg/gpg.conf";
|
|---|
| 64 |
|
|---|
| 65 | if (!-f "$gpgconf") {
|
|---|
| 66 | $gpgconf = "$ENV{'HOME'}/.gnupg/options";
|
|---|
| 67 | }
|
|---|
| 68 |
|
|---|
| 69 | if (-f $gpgconf) {
|
|---|
| 70 |
|
|---|
| 71 | my @array = ();
|
|---|
| 72 | tie @array, 'Tie::File', $gpgconf or die "Cannot tie ${gpgconf}: $!";
|
|---|
| 73 | my @grep = grep(/^\s*use-agent/, @array);
|
|---|
| 74 |
|
|---|
| 75 | # print "matches = $#grep\n";
|
|---|
| 76 |
|
|---|
| 77 | if ($#grep >= 0)
|
|---|
| 78 | {
|
|---|
| 79 | if (exists $ENV{'GPG_AGENT_INFO'})
|
|---|
| 80 | {
|
|---|
| 81 | my $socke = $ENV{'GPG_AGENT_INFO'};
|
|---|
| 82 | $socke =~ s/:.*//;
|
|---|
| 83 |
|
|---|
| 84 | # print "socke = $socke\n";
|
|---|
| 85 |
|
|---|
| 86 | if (! -S $socke)
|
|---|
| 87 | {
|
|---|
| 88 | print "--------------------------------------------------\n";
|
|---|
| 89 | print "\n";
|
|---|
| 90 | print " GPG is set to use gpg-agent, but GPG agent is";
|
|---|
| 91 | print " not running, though GPG_AGENT_INFO is defined.\n\n";
|
|---|
| 92 | print " Please restart gpg-agent, or remove the use-agent\n";
|
|---|
| 93 | print " option from ${gpgconf} and unset GPG_AGENT_INFO\n\n";
|
|---|
| 94 | print "--------------------------------------------------\n";
|
|---|
| 95 | print "\n";
|
|---|
| 96 | exit 1;
|
|---|
| 97 | }
|
|---|
| 98 | }
|
|---|
| 99 | else
|
|---|
| 100 | {
|
|---|
| 101 | print "--------------------------------------------------\n";
|
|---|
| 102 | print "\n";
|
|---|
| 103 | print " GPG is set to use gpg-agent, but ";
|
|---|
| 104 | print " GPG_AGENT_INFO is not defined.\n\n";
|
|---|
| 105 | print " Please start gpg-agent, or remove the use-agent\n";
|
|---|
| 106 | print " option from ${gpgconf}\n\n";
|
|---|
| 107 | print "--------------------------------------------------\n";
|
|---|
| 108 | print "\n";
|
|---|
| 109 | exit 1;
|
|---|
| 110 | }
|
|---|
| 111 | }
|
|---|
| 112 | untie @array;
|
|---|
| 113 | }
|
|---|
| 114 | }
|
|---|
| 115 |
|
|---|
| 116 |
|
|---|
| 117 | sub usage() {
|
|---|
| 118 | print "Usage:\n";
|
|---|
| 119 | print " $base { -m F | --create-cfgfile } [options] [in.cfgfile]\n";
|
|---|
| 120 | print " Sign the configuration file. If in.cfgfile is given, sign it\n";
|
|---|
| 121 | print " and install it as configuration file.\n\n";
|
|---|
| 122 |
|
|---|
| 123 | print " $base { -m f | --print-cfgfile } [options] \n";
|
|---|
| 124 | print " Print the configuration file to stdout. Signatures are removed.\n\n";
|
|---|
| 125 |
|
|---|
| 126 | print " $base { -m D | --create-datafile } [options] [in.datafile]\n";
|
|---|
| 127 | print " Sign the database file. If in.datafile is given, sign it\n";
|
|---|
| 128 | print " and install it as database file.\n\n";
|
|---|
| 129 |
|
|---|
| 130 | print " $base { -m d | --print-datafile } [options] \n";
|
|---|
| 131 | print " Print the database file to stdout. Signatures are removed. Use\n";
|
|---|
| 132 | print " option --list to list files in database rather than printing the raw file.\n\n";
|
|---|
| 133 |
|
|---|
| 134 | print " $base { -m R | --remove-signature } [options] file1 [file2 ...]\n";
|
|---|
| 135 | print " Remove cleartext signature from input file(s). The file\n";
|
|---|
| 136 | print " is replaced by the non-signed file.\n\n";
|
|---|
| 137 |
|
|---|
| 138 | print " $base { -m E | --sign } [options] file1 [file2 ...]\n";
|
|---|
| 139 | print " Sign file(s) with a cleartext signature. The file\n";
|
|---|
| 140 | print " is replaced by the signed file.\n\n";
|
|---|
| 141 |
|
|---|
| 142 | print " $base { -m e | --examine } [options] file1 [file2 ...]\n";
|
|---|
| 143 | print " Report signature status of file(s).\n\n";
|
|---|
| 144 |
|
|---|
| 145 | print " $base { -m G | --generate-keys } [options] \n";
|
|---|
| 146 | print " Generate a PGP keypair to use for signing.\n\n";
|
|---|
| 147 |
|
|---|
| 148 | print "Options:\n";
|
|---|
| 149 | print " -c cfgfile --cfgfile cfgfile\n";
|
|---|
| 150 | print " Select an alternate configuration file.\n\n";
|
|---|
| 151 |
|
|---|
| 152 | print " -d datafile --datafile datafile\n";
|
|---|
| 153 | print " Select an alternate database file.\n\n";
|
|---|
| 154 |
|
|---|
| 155 | print " -p passphrase --passphrase passphrase\n";
|
|---|
| 156 | print " Set the passphrase for gpg. By default, gpg will ask.\n\n";
|
|---|
| 157 |
|
|---|
| 158 | print " -k keyid --keyid keyid\n";
|
|---|
| 159 | print " Select the keyid to use for signing.\n\n";
|
|---|
| 160 |
|
|---|
| 161 | print " -l --list\n";
|
|---|
| 162 | print " List the files in database rather than printing the raw file.\n\n";
|
|---|
| 163 |
|
|---|
| 164 | print " -v --verbose\n";
|
|---|
| 165 | print " Verbose output.\n\n";
|
|---|
| 166 | return;
|
|---|
| 167 | }
|
|---|
| 168 |
|
|---|
| 169 | sub check_gpg_uid () {
|
|---|
| 170 | if (0 != $>) {
|
|---|
| 171 | print "--------------------------------------------------\n";
|
|---|
| 172 | print "\n";
|
|---|
| 173 | print " You are not root. Please remember that samhain/yule\n";
|
|---|
| 174 | print " will use the public keyring of root to verify a signature.\n";
|
|---|
| 175 | print "\n";
|
|---|
| 176 | print "--------------------------------------------------\n";
|
|---|
| 177 | } else {
|
|---|
| 178 | if (!("@yulectl_prg@" =~ //)) {
|
|---|
| 179 | print "--------------------------------------------------\n";
|
|---|
| 180 | print "\n";
|
|---|
| 181 | print " Please remember that yule will drop root after startup. Signature\n";
|
|---|
| 182 | print " verification on SIGHUP will fail if you do not import the public key\n";
|
|---|
| 183 | print " into the keyring of the non-root yule user.\n";
|
|---|
| 184 | print "\n";
|
|---|
| 185 | print "--------------------------------------------------\n";
|
|---|
| 186 | }
|
|---|
| 187 | }
|
|---|
| 188 | }
|
|---|
| 189 |
|
|---|
| 190 | sub check_gpg_sign () {
|
|---|
| 191 | if ( defined($secretkeyring)) {
|
|---|
| 192 | if ( (!-d "$secretkeyring")){
|
|---|
| 193 | print "--------------------------------------------------\n";
|
|---|
| 194 | print "\n";
|
|---|
| 195 | print " Secret keyring $secretkeyring not found!\n";
|
|---|
| 196 | print "\n";
|
|---|
| 197 | print " Please check the path/name of the alternate secret keyring.\n";
|
|---|
| 198 | print "\n";
|
|---|
| 199 | print "--------------------------------------------------\n";
|
|---|
| 200 | print "\n";
|
|---|
| 201 | exit;
|
|---|
| 202 | }
|
|---|
| 203 | } else {
|
|---|
| 204 | if ( (!-d "$ENV{'HOME'}/.gnupg") || (!-e "$ENV{'HOME'}/.gnupg/secring.gpg")) {
|
|---|
| 205 | print "--------------------------------------------------\n";
|
|---|
| 206 | print "\n";
|
|---|
| 207 | if (!-d "$ENV{'HOME'}/.gnupg") {
|
|---|
| 208 | print " Directory \$HOME/.gnupg not found!\n";
|
|---|
| 209 | } else {
|
|---|
| 210 | print " Secret keyring \$HOME/.gnupg/secring.gpg not found!\n";
|
|---|
| 211 | }
|
|---|
| 212 | print "\n";
|
|---|
| 213 | print " This indicates that you have never created a \n";
|
|---|
| 214 | print " public/private keypair, and thus cannot sign.\n";
|
|---|
| 215 | print " \n";
|
|---|
| 216 | print " Please use $0 --generate-keys or gpg --gen-key\n";
|
|---|
| 217 | print " to generate a public/private keypair first.\n";
|
|---|
| 218 | print "\n";
|
|---|
| 219 | print "--------------------------------------------------\n";
|
|---|
| 220 | print "\n";
|
|---|
| 221 | exit;
|
|---|
| 222 | }
|
|---|
| 223 | }
|
|---|
| 224 | }
|
|---|
| 225 |
|
|---|
| 226 | sub check_gpg_verify () {
|
|---|
| 227 | if ( (!-d "$ENV{'HOME'}/.gnupg") || (!-e "$ENV{'HOME'}/.gnupg/pubring.gpg")) {
|
|---|
| 228 | print "--------------------------------------------------\n";
|
|---|
| 229 | print "\n";
|
|---|
| 230 | if (!-d "$ENV{'HOME'}/.gnupg") {
|
|---|
| 231 | print " Directory \$HOME/.gnupg not found!\n";
|
|---|
| 232 | } else {
|
|---|
| 233 | print " Public keyring \$HOME/.gnupg/pubring.gpg not found!\n";
|
|---|
| 234 | }
|
|---|
| 235 | print "\n";
|
|---|
| 236 | print " This indicates that you have never used gpg before \n";
|
|---|
| 237 | print " and/or have no public keys to verify signatures.\n";
|
|---|
| 238 | print " \n";
|
|---|
| 239 | print " Please use 'gpg --export key_id' to export the public\n";
|
|---|
| 240 | print " signing key of the user who is signing the\n";
|
|---|
| 241 | print " configuration/database files.\n\n";
|
|---|
| 242 | print " Then you can use 'gpg --import keyfile' to import the key\n";
|
|---|
| 243 | print " into this user's public keyring.\n";
|
|---|
| 244 | print "\n";
|
|---|
| 245 | print "--------------------------------------------------\n";
|
|---|
| 246 | print "\n";
|
|---|
| 247 | exit;
|
|---|
| 248 | }
|
|---|
| 249 | }
|
|---|
| 250 |
|
|---|
| 251 |
|
|---|
| 252 | sub generate () {
|
|---|
| 253 | my $command = "$gpg --homedir $ENV{'HOME'}/.gnupg --gen-key";
|
|---|
| 254 | check_gpg_uid();
|
|---|
| 255 | system ($command) == 0
|
|---|
| 256 | or die "system $command failed: $?";
|
|---|
| 257 | exit;
|
|---|
| 258 | }
|
|---|
| 259 |
|
|---|
| 260 | sub examine () {
|
|---|
| 261 | my $iscfg = 0;
|
|---|
| 262 | my $have_fp = 0;
|
|---|
| 263 | my $have_sig = 0;
|
|---|
| 264 | my $message = '';
|
|---|
| 265 | my $retval = 9;
|
|---|
| 266 | my $fh;
|
|---|
| 267 | my $filename;
|
|---|
| 268 |
|
|---|
| 269 | if (!($file1 =~ /^\-$/)) {
|
|---|
| 270 | die ("Cannot open $file1 for read: $!") unless ((-e $file1) && (-r _));
|
|---|
| 271 | }
|
|---|
| 272 | open FIN, "<$file1" or die "Cannot open $file1 for read: $!";
|
|---|
| 273 |
|
|---|
| 274 | my $dir = tempdir( CLEANUP => 1 );
|
|---|
| 275 | $filename = $dir . "/exa_jhfdbilw." . $$;
|
|---|
| 276 | open $fh, ">$filename" or die "Cannot open $filename";
|
|---|
| 277 | autoflush $fh 1;
|
|---|
| 278 |
|
|---|
| 279 | while (<FIN>) {
|
|---|
| 280 | print $fh $_;
|
|---|
| 281 | if ($_ =~ /^\s*\[Misc\]/) {
|
|---|
| 282 | $iscfg = 1;
|
|---|
| 283 | }
|
|---|
| 284 | }
|
|---|
| 285 | if ($iscfg == 1) {
|
|---|
| 286 | $message .= "File $file1 is a configuration file\n\n";
|
|---|
| 287 | } else {
|
|---|
| 288 | $message .= "File $file1 is a database file\n\n";
|
|---|
| 289 | }
|
|---|
| 290 |
|
|---|
| 291 |
|
|---|
| 292 | my $command = "$gpg --homedir $ENV{'HOME'}/.gnupg --status-fd 1 ";
|
|---|
| 293 | $command .= "--verbose " if (defined($opts{'v'}));
|
|---|
| 294 | $command .= "--verify $filename ";
|
|---|
| 295 | if (defined($opts{'v'})) {
|
|---|
| 296 | $command .= "2>&1";
|
|---|
| 297 | } else {
|
|---|
| 298 | $command .= "2>/dev/null";
|
|---|
| 299 | }
|
|---|
| 300 |
|
|---|
| 301 | print STDOUT "Using: $command\n\n" if (defined($opts{'v'}));
|
|---|
| 302 | open GPGIN, "$command |" or die "Cannot fork: $!";
|
|---|
| 303 |
|
|---|
| 304 | while (<GPGIN>) {
|
|---|
| 305 | if ($_ =~ /^\[GNUPG:\] GOODSIG ([0-9A-F]+) (.*)$/) {
|
|---|
| 306 | $message .= "GOOD signature with key: $1\n";
|
|---|
| 307 | $message .= "Key owner: $2\n";
|
|---|
| 308 | $have_sig = 1;
|
|---|
| 309 | $retval = 0;
|
|---|
| 310 | }
|
|---|
| 311 | if ($_ =~ /^\[GNUPG:\] VALIDSIG ([0-9A-F]+) ([0-9\-]+)\s/) {
|
|---|
| 312 | $message .= "Key fingerprint: $1\n";
|
|---|
| 313 | $message .= "Signature generated on: $2\n\n";
|
|---|
| 314 | $have_fp = 1;
|
|---|
| 315 | $message .= "This file is signed with a valid signature.\n"
|
|---|
| 316 | if ($have_sig == 1);
|
|---|
| 317 | $have_sig = 1;
|
|---|
| 318 | $have_fp = 1;
|
|---|
| 319 | }
|
|---|
| 320 | if ($_ =~ /^\[GNUPG:\] NODATA 1/) {
|
|---|
| 321 | $message .= "NO signature found.\n\n";
|
|---|
| 322 | $message .= "This file is not signed !!!\n";
|
|---|
| 323 | $have_sig = 1;
|
|---|
| 324 | $have_fp = 1;
|
|---|
| 325 | $retval = 2;
|
|---|
| 326 | }
|
|---|
| 327 | if ($_ =~ /^\[GNUPG:\] BADSIG ([0-9A-F]+) (.*)$/) {
|
|---|
| 328 | $message .= "BAD signature with key: $1\n";
|
|---|
| 329 | $message .= "Key owner: $2\n\n";
|
|---|
| 330 | $message .= "This file is signed with an invalid signature !!!\n";
|
|---|
| 331 | $have_sig = 1;
|
|---|
| 332 | $have_fp = 1;
|
|---|
| 333 | $retval = 1;
|
|---|
| 334 | }
|
|---|
| 335 | if ($_ =~ /^\[GNUPG:\] NO_PUBKEY ([0-9A-F]+)/) {
|
|---|
| 336 | $message .= "NOT CHECKED signature with key: $1\n\n";
|
|---|
| 337 | $message .= "The signature of this file cannot be checked: no public key available !!!\n";
|
|---|
| 338 | $have_sig = 1;
|
|---|
| 339 | $have_fp = 1;
|
|---|
| 340 | $retval = 1;
|
|---|
| 341 | }
|
|---|
| 342 | print STDOUT $_ if (defined($opts{'v'}));
|
|---|
| 343 | }
|
|---|
| 344 | close (GPGIN);
|
|---|
| 345 | print STDOUT "\n" if (defined($opts{'v'}));
|
|---|
| 346 | if ($have_sig == 0) {
|
|---|
| 347 | $message .= "NO valid signature found\n";
|
|---|
| 348 | }
|
|---|
| 349 | elsif ($have_fp == 0) {
|
|---|
| 350 | $message .= "NO fingerprint found\n";
|
|---|
| 351 | }
|
|---|
| 352 | close (FIN);
|
|---|
| 353 | if ($no_print_examine == 0) {
|
|---|
| 354 | print STDOUT $message;
|
|---|
| 355 | }
|
|---|
| 356 | unlink0( $fh, $filename ) or die "Cannot unlink $filename safely";
|
|---|
| 357 | return $retval;
|
|---|
| 358 | }
|
|---|
| 359 |
|
|---|
| 360 | sub remove () {
|
|---|
| 361 | my $bodystart = 1;
|
|---|
| 362 | my $sigstart = 0;
|
|---|
| 363 | my $sigend = 0;
|
|---|
| 364 | my $filename = "";
|
|---|
| 365 | my $fh;
|
|---|
| 366 | my $stats;
|
|---|
| 367 |
|
|---|
| 368 | open FH, "<$file1" or die "Cannot open file $file1 for read: $!";
|
|---|
| 369 | if (!($file1 =~ /^\-$/)) {
|
|---|
| 370 | flock(FH, LOCK_EX) unless ($no_remove_lock == 1);
|
|---|
| 371 | my $dir = tempdir( CLEANUP => 1 ) or die "Tempdir failed";
|
|---|
| 372 | $filename = $dir . "/rem_iqegBCQb." . $$;
|
|---|
| 373 | open $fh, ">$filename" or die "Cannot open $filename";
|
|---|
| 374 | $stats = stat($file1);
|
|---|
| 375 | # ($fh, $filename) = tempfile(UNLINK => 1);
|
|---|
| 376 | } else {
|
|---|
| 377 | open $fh, ">$file1" or die "Cannot open file $file1 for write: $!";
|
|---|
| 378 | }
|
|---|
| 379 | autoflush $fh 1;
|
|---|
| 380 | while (<FH>) {
|
|---|
| 381 | if ($_ =~ /^-----BEGIN PGP SIGNED MESSAGE-----/) {
|
|---|
| 382 | $sigstart = 1;
|
|---|
| 383 | $bodystart = 0;
|
|---|
| 384 | next;
|
|---|
| 385 | } elsif (($sigstart == 1) && ($_ =~ /^\s+$/)) {
|
|---|
| 386 | $sigstart = 0;
|
|---|
| 387 | $bodystart = 1;
|
|---|
| 388 | next;
|
|---|
| 389 | } elsif ($_ =~ /^-----BEGIN PGP SIGNATURE-----/) {
|
|---|
| 390 | $bodystart = 0;
|
|---|
| 391 | $sigend = 1;
|
|---|
| 392 | next;
|
|---|
| 393 | } elsif (($sigend == 1) && ($_ =~ /^-----END PGP SIGNATURE-----/)) {
|
|---|
| 394 | $sigend = 0;
|
|---|
| 395 | $bodystart = 1;
|
|---|
| 396 | next;
|
|---|
| 397 | }
|
|---|
| 398 | if ($bodystart == 1) {
|
|---|
| 399 | print $fh $_;
|
|---|
| 400 | }
|
|---|
| 401 | }
|
|---|
| 402 | if (!($file1 =~ /^\-$/)) {
|
|---|
| 403 | copy("$filename", "$file1")
|
|---|
| 404 | or die "Copy $filename to $file1 failed: $!";
|
|---|
| 405 | chmod $stats->mode, $file1;
|
|---|
| 406 | chown $stats->uid, $stats->gid, $file1;
|
|---|
| 407 | flock(FH, LOCK_UN) unless ($no_remove_lock == 1);
|
|---|
| 408 | close FH;
|
|---|
| 409 | }
|
|---|
| 410 | unlink0( $fh, $filename ) or die "Cannot unlink $filename safely";
|
|---|
| 411 | return;
|
|---|
| 412 | }
|
|---|
| 413 |
|
|---|
| 414 | sub print_cfgfile () {
|
|---|
| 415 | my $bodystart = 0;
|
|---|
| 416 | my $sigstart = 0;
|
|---|
| 417 |
|
|---|
| 418 | if (!defined($file2)) {
|
|---|
| 419 | $file2 = '-';
|
|---|
| 420 | }
|
|---|
| 421 |
|
|---|
| 422 | open FH, "<$file1" or die "Cannot open file $file1 for read: $!";
|
|---|
| 423 | open FO, ">$file2" or die "Cannot open file $file2 for write: $!";
|
|---|
| 424 | while (<FH>) {
|
|---|
| 425 | if ($_ =~ /^-----BEGIN PGP SIGNED MESSAGE-----/) {
|
|---|
| 426 | $sigstart = 1;
|
|---|
| 427 | next;
|
|---|
| 428 | } elsif (($sigstart == 1) && ($_ =~ /^\s+$/)) {
|
|---|
| 429 | $sigstart = 0;
|
|---|
| 430 | $bodystart = 1;
|
|---|
| 431 | next;
|
|---|
| 432 | } elsif ($_ =~ /^-----BEGIN PGP SIGNATURE-----/) {
|
|---|
| 433 | $bodystart = 0;
|
|---|
| 434 | exit;
|
|---|
| 435 | }
|
|---|
| 436 | if ($bodystart == 1) {
|
|---|
| 437 | print FO $_;
|
|---|
| 438 | }
|
|---|
| 439 | }
|
|---|
| 440 | exit;
|
|---|
| 441 | }
|
|---|
| 442 | sub print_datafile () {
|
|---|
| 443 | die ("Cannot find program $daemon")
|
|---|
| 444 | unless (-e $daemon);
|
|---|
| 445 | if (defined($opts{'v'})) {
|
|---|
| 446 | open FH, "$daemon --full-detail -d $datafile |"
|
|---|
| 447 | or die "Cannot open datafile $datafile for read: $!";
|
|---|
| 448 | } else {
|
|---|
| 449 | open FH, "$daemon -d $datafile |"
|
|---|
| 450 | or die "Cannot open datafile $datafile for read: $!";
|
|---|
| 451 | }
|
|---|
| 452 | while (<FH>) {
|
|---|
| 453 | print $_;
|
|---|
| 454 | }
|
|---|
| 455 | exit;
|
|---|
| 456 | }
|
|---|
| 457 |
|
|---|
| 458 | sub sign_file () {
|
|---|
| 459 |
|
|---|
| 460 | my $fileout = '';
|
|---|
| 461 | my $bodystart = 1;
|
|---|
| 462 | my $sigstart = 0;
|
|---|
| 463 | my $sigend = 0;
|
|---|
| 464 | my $stats;
|
|---|
| 465 | my $fh1;
|
|---|
| 466 | my $filename1;
|
|---|
| 467 | my $flag1 = 0;
|
|---|
| 468 |
|
|---|
| 469 | check_gpg_uid();
|
|---|
| 470 | check_gpg_agent();
|
|---|
| 471 |
|
|---|
| 472 | if (!defined($file2)) {
|
|---|
| 473 | $file2 = $file1;
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 | if ($file1 =~ /^\-$/) {
|
|---|
| 477 | my $dir = tempdir( CLEANUP => 1 ) or die "Tempdir failed";
|
|---|
| 478 | $filename1 = $dir . "/sig_vs8827sd." . $$;
|
|---|
| 479 | open $fh1, ">$filename1" or die "Cannot open $filename1";
|
|---|
| 480 | $flag1 = 1;
|
|---|
| 481 | # my ($fh1, $filename1) = tempfile(UNLINK => 1);
|
|---|
| 482 |
|
|---|
| 483 | while (<STDIN>) {
|
|---|
| 484 | if ($_ =~ /^-----BEGIN PGP SIGNED MESSAGE-----/) {
|
|---|
| 485 | $sigstart = 1;
|
|---|
| 486 | $bodystart = 0;
|
|---|
| 487 | next;
|
|---|
| 488 | } elsif (($sigstart == 1) && ($_ =~ /^\s+$/)) {
|
|---|
| 489 | $sigstart = 0;
|
|---|
| 490 | $bodystart = 1;
|
|---|
| 491 | next;
|
|---|
| 492 | } elsif ($_ =~ /^-----BEGIN PGP SIGNATURE-----/) {
|
|---|
| 493 | $bodystart = 0;
|
|---|
| 494 | $sigend = 1;
|
|---|
| 495 | next;
|
|---|
| 496 | } elsif (($sigend == 1) && ($_ =~ /^-----END PGP SIGNATURE-----/)) {
|
|---|
| 497 | $sigend = 0;
|
|---|
| 498 | $bodystart = 1;
|
|---|
| 499 | next;
|
|---|
| 500 | }
|
|---|
| 501 | if ($bodystart == 1) {
|
|---|
| 502 | print $fh1 $_;
|
|---|
| 503 | }
|
|---|
| 504 | #
|
|---|
| 505 | # print $fh1 $_;
|
|---|
| 506 | #
|
|---|
| 507 | }
|
|---|
| 508 | $file1 = $filename1;
|
|---|
| 509 | $fileout = '-';
|
|---|
| 510 | } else {
|
|---|
| 511 | open (LOCKFILE, "<$file1") or die "Cannot open $file1: $!";
|
|---|
| 512 | flock(LOCKFILE, LOCK_EX);
|
|---|
| 513 | $no_print_examine = 1;
|
|---|
| 514 | $no_remove_lock = 1;
|
|---|
| 515 | if (examine() < 2) {
|
|---|
| 516 | remove();
|
|---|
| 517 | }
|
|---|
| 518 | $fileout = $file1 . ".asc";
|
|---|
| 519 | $stats = stat($file1)
|
|---|
| 520 | or die "No file $file1: $!";
|
|---|
| 521 | }
|
|---|
| 522 |
|
|---|
| 523 | if (defined($passphrase)) {
|
|---|
| 524 | local $SIG{PIPE} = 'IGNORE';
|
|---|
| 525 | my $command = "$gpg --homedir $ENV{'HOME'}/.gnupg --passphrase-fd 0 -a ${KEYTAG} ${TARGETKEYID} --clearsign -o $fileout --not-dash-escaped ";
|
|---|
| 526 | $command .= "$file1";
|
|---|
| 527 | open (FH, "|$command") or die "can't fork: $!";
|
|---|
| 528 | print FH "$passphrase" or die "can't write: $!";
|
|---|
| 529 | close FH or die "can't close: status=$?";
|
|---|
| 530 | } else {
|
|---|
| 531 | my $command = "$gpg --homedir $ENV{'HOME'}/.gnupg -a ${KEYTAG} ${TARGETKEYID} --clearsign -o $fileout --not-dash-escaped ";
|
|---|
| 532 | $command .= "$file1";
|
|---|
| 533 | system("$command") == 0
|
|---|
| 534 | or die "system $command failed: $?";
|
|---|
| 535 | }
|
|---|
| 536 |
|
|---|
| 537 | if (!($fileout =~ /^\-$/)) {
|
|---|
| 538 | my $st_old = stat($file1)
|
|---|
| 539 | or die "No file $file1: $!";
|
|---|
| 540 | my $st_new = stat($fileout)
|
|---|
| 541 | or die "No file $fileout: $!";
|
|---|
| 542 | die ("Signed file is smaller than unsigned file")
|
|---|
| 543 | unless ($st_new->size > $st_old->size);
|
|---|
| 544 | move("$fileout", "$file2")
|
|---|
| 545 | or die "Move $fileout to $file2 failed: $!";
|
|---|
| 546 | chmod $stats->mode, $file2;
|
|---|
| 547 | chown $stats->uid, $stats->gid, $file2;
|
|---|
| 548 | flock(LOCKFILE, LOCK_UN);
|
|---|
| 549 | }
|
|---|
| 550 |
|
|---|
| 551 | if ($flag1 == 1) {
|
|---|
| 552 | unlink0( $fh1, $filename1 ) or die "Cannot unlink $filename1 safely";
|
|---|
| 553 | }
|
|---|
| 554 | if ($return_from_sign == 1) {
|
|---|
| 555 | return;
|
|---|
| 556 | }
|
|---|
| 557 | exit;
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | Getopt::Long::Configure ("posix_default");
|
|---|
| 561 | Getopt::Long::Configure ("bundling");
|
|---|
| 562 | # Getopt::Long::Configure ("debug");
|
|---|
| 563 |
|
|---|
| 564 | GetOptions (\%opts, 'm=s', 'h|help', 'v|verbose', 'l|list',
|
|---|
| 565 | 'c|cfgfile=s',
|
|---|
| 566 | 'd|datafile=s',
|
|---|
| 567 | 'p|passphrase=s',
|
|---|
| 568 | 'k|keyid=s',
|
|---|
| 569 | 'create-cfgfile', # -m F
|
|---|
| 570 | 'print-cfgfile', # -m f
|
|---|
| 571 | 'create-datafile', # -m D
|
|---|
| 572 | 'print-datafile', # -m d
|
|---|
| 573 | 'remove-signature',# -m R
|
|---|
| 574 | 'sign', # -m E
|
|---|
| 575 | 'examine', # -m e
|
|---|
| 576 | 'generate-keys'); # -m G
|
|---|
| 577 |
|
|---|
| 578 | if (defined ($opts{'h'})) {
|
|---|
| 579 | usage();
|
|---|
| 580 | exit;
|
|---|
| 581 | }
|
|---|
| 582 |
|
|---|
| 583 | if (defined($opts{'k'})) {
|
|---|
| 584 | $TARGETKEYID = $opts{'k'};
|
|---|
| 585 | $KEYTAG = "--default-key";
|
|---|
| 586 | }
|
|---|
| 587 | if (defined($opts{'c'})) {
|
|---|
| 588 | $cfgfile = $opts{'c'};
|
|---|
| 589 | }
|
|---|
| 590 | if (defined($opts{'d'})) {
|
|---|
| 591 | $datafile = $opts{'d'};
|
|---|
| 592 | }
|
|---|
| 593 | if (defined($opts{'p'})) {
|
|---|
| 594 | $passphrase = $opts{'p'};
|
|---|
| 595 | }
|
|---|
| 596 | if (defined($opts{'s'})) {
|
|---|
| 597 | $secretkeyring = $opts{'s'};
|
|---|
| 598 | }
|
|---|
| 599 |
|
|---|
| 600 | if (defined ($opts{'m'}) && ($opts{'m'} =~ /[FfDdREeG]{1}/) ) {
|
|---|
| 601 | $action = $opts{'m'};
|
|---|
| 602 | }
|
|---|
| 603 | elsif (defined ($opts{'create-cfgfile'})) {
|
|---|
| 604 | $action = 'F';
|
|---|
| 605 | }
|
|---|
| 606 | elsif (defined ($opts{'print-cfgfile'})) {
|
|---|
| 607 | $action = 'f';
|
|---|
| 608 | }
|
|---|
| 609 | elsif (defined ($opts{'create-datafile'})) {
|
|---|
| 610 | $action = 'D';
|
|---|
| 611 | }
|
|---|
| 612 | elsif (defined ($opts{'print-datafile'})) {
|
|---|
| 613 | $action = 'd';
|
|---|
| 614 | }
|
|---|
| 615 | elsif (defined ($opts{'remove-signature'})) {
|
|---|
| 616 | $action = 'R';
|
|---|
| 617 | }
|
|---|
| 618 | elsif (defined ($opts{'sign'})) {
|
|---|
| 619 | $action = 'E';
|
|---|
| 620 | }
|
|---|
| 621 | elsif (defined ($opts{'examine'})) {
|
|---|
| 622 | $action = 'e';
|
|---|
| 623 | }
|
|---|
| 624 | elsif (defined ($opts{'generate-keys'})) {
|
|---|
| 625 | $action = 'G';
|
|---|
| 626 | }
|
|---|
| 627 | else {
|
|---|
| 628 | usage();
|
|---|
| 629 | die ("No valid action specified !");
|
|---|
| 630 | }
|
|---|
| 631 |
|
|---|
| 632 | if (defined($ARGV[0])) {
|
|---|
| 633 | $file1 = $ARGV[0];
|
|---|
| 634 | }
|
|---|
| 635 | if (defined($ARGV[1])) {
|
|---|
| 636 | $file2 = $ARGV[1];
|
|---|
| 637 | }
|
|---|
| 638 |
|
|---|
| 639 |
|
|---|
| 640 | if (($action =~ /[REe]{1}/) && !defined($file1)) {
|
|---|
| 641 | usage();
|
|---|
| 642 | die("Option -m $action requires a filename (or '-' for stdio)\n");
|
|---|
| 643 | }
|
|---|
| 644 |
|
|---|
| 645 | if ($action =~ /^F$/) {
|
|---|
| 646 | if (!defined($file1)) {
|
|---|
| 647 | $file1 = $cfgfile;
|
|---|
| 648 | }
|
|---|
| 649 | $file2 = $cfgfile;
|
|---|
| 650 | sign_file ();
|
|---|
| 651 | }
|
|---|
| 652 |
|
|---|
| 653 | if ($action =~ /^D$/) {
|
|---|
| 654 | if (!defined($file1)) {
|
|---|
| 655 | $file1 = $datafile;
|
|---|
| 656 | }
|
|---|
| 657 | $file2 = $datafile;
|
|---|
| 658 | sign_file ();
|
|---|
| 659 | }
|
|---|
| 660 |
|
|---|
| 661 | if ($action =~ /^R$/) {
|
|---|
| 662 | # $file1 defined
|
|---|
| 663 | my $i = 0;
|
|---|
| 664 | while (defined($ARGV[$i])) {
|
|---|
| 665 | $file1 = $ARGV[$i];
|
|---|
| 666 | remove ();
|
|---|
| 667 | ++$i;
|
|---|
| 668 | }
|
|---|
| 669 | }
|
|---|
| 670 |
|
|---|
| 671 | if ($action =~ /^E$/) {
|
|---|
| 672 | # $file1 defined
|
|---|
| 673 | # default: $file2 = $file1
|
|---|
| 674 | check_gpg_sign();
|
|---|
| 675 | my $i = 0;
|
|---|
| 676 | while (defined($ARGV[$i])) {
|
|---|
| 677 | $file1 = $ARGV[$i];
|
|---|
| 678 | $file2 = $file1;
|
|---|
| 679 | $return_from_sign = 1;
|
|---|
| 680 | sign_file ();
|
|---|
| 681 | ++$i;
|
|---|
| 682 | }
|
|---|
| 683 | }
|
|---|
| 684 |
|
|---|
| 685 | if ($action =~ /^e$/) {
|
|---|
| 686 | # $file1 defined
|
|---|
| 687 | # default: $file2 = stdout
|
|---|
| 688 | check_gpg_verify();
|
|---|
| 689 | my $i = 0;
|
|---|
| 690 | my $ret = 0;
|
|---|
| 691 | while (defined($ARGV[$i])) {
|
|---|
| 692 | print "\n";
|
|---|
| 693 | $file1 = $ARGV[$i];
|
|---|
| 694 | $ret += examine ();
|
|---|
| 695 | ++$i;
|
|---|
| 696 | print "\n--------------------------------\n" if (defined($ARGV[$i]));
|
|---|
| 697 | }
|
|---|
| 698 | exit($ret);
|
|---|
| 699 | }
|
|---|
| 700 |
|
|---|
| 701 | if ($action =~ /^f$/) {
|
|---|
| 702 | $file1 = $cfgfile;
|
|---|
| 703 | $file2 = "-";
|
|---|
| 704 | print_cfgfile ();
|
|---|
| 705 | }
|
|---|
| 706 |
|
|---|
| 707 | if ($action =~ /^d$/) {
|
|---|
| 708 | # $file1 irrelevant
|
|---|
| 709 | if (defined($opts{'l'})) {
|
|---|
| 710 | print_datafile ();
|
|---|
| 711 | } else {
|
|---|
| 712 | $file1 = $datafile;
|
|---|
| 713 | $file2 = "-";
|
|---|
| 714 | print_cfgfile ();
|
|---|
| 715 | }
|
|---|
| 716 | }
|
|---|
| 717 |
|
|---|
| 718 |
|
|---|
| 719 |
|
|---|
