Line data Source code
1 : /* gpgsm.c - GnuPG for S/MIME
2 : * Copyright (C) 2001-2008, 2010 Free Software Foundation, Inc.
3 : * Copyright (C) 2001-2008, 2010 Werner Koch
4 : *
5 : * This file is part of GnuPG.
6 : *
7 : * GnuPG is free software; you can redistribute it and/or modify
8 : * it under the terms of the GNU General Public License as published by
9 : * the Free Software Foundation; either version 3 of the License, or
10 : * (at your option) any later version.
11 : *
12 : * GnuPG is distributed in the hope that it will be useful,
13 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 : * GNU General Public License for more details.
16 : *
17 : * You should have received a copy of the GNU General Public License
18 : * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 : */
20 :
21 : #include <config.h>
22 : #include <errno.h>
23 : #include <stdio.h>
24 : #include <stdlib.h>
25 : #include <string.h>
26 : #include <ctype.h>
27 : #include <unistd.h>
28 : #include <fcntl.h>
29 : /*#include <mcheck.h>*/
30 :
31 : #include "gpgsm.h"
32 : #include <gcrypt.h>
33 : #include <assuan.h> /* malloc hooks */
34 :
35 : #include "../kbx/keybox.h" /* malloc hooks */
36 : #include "i18n.h"
37 : #include "keydb.h"
38 : #include "sysutils.h"
39 : #include "gc-opt-flags.h"
40 : #include "asshelp.h"
41 : #include "../common/init.h"
42 :
43 :
44 : #ifndef O_BINARY
45 : #define O_BINARY 0
46 : #endif
47 :
48 : enum cmd_and_opt_values {
49 : aNull = 0,
50 : oArmor = 'a',
51 : aDetachedSign = 'b',
52 : aSym = 'c',
53 : aDecrypt = 'd',
54 : aEncr = 'e',
55 : aListKeys = 'k',
56 : aListSecretKeys = 'K',
57 : oDryRun = 'n',
58 : oOutput = 'o',
59 : oQuiet = 'q',
60 : oRecipient = 'r',
61 : aSign = 's',
62 : oUser = 'u',
63 : oVerbose = 'v',
64 : oBatch = 500,
65 : aClearsign,
66 : aKeygen,
67 : aSignEncr,
68 : aDeleteKey,
69 : aImport,
70 : aVerify,
71 : aListExternalKeys,
72 : aListChain,
73 : aSendKeys,
74 : aRecvKeys,
75 : aExport,
76 : aExportSecretKeyP12,
77 : aExportSecretKeyP8,
78 : aExportSecretKeyRaw,
79 : aServer,
80 : aLearnCard,
81 : aCallDirmngr,
82 : aCallProtectTool,
83 : aPasswd,
84 : aGPGConfList,
85 : aGPGConfTest,
86 : aDumpKeys,
87 : aDumpChain,
88 : aDumpSecretKeys,
89 : aDumpExternalKeys,
90 : aKeydbClearSomeCertFlags,
91 : aFingerprint,
92 :
93 : oOptions,
94 : oDebug,
95 : oDebugLevel,
96 : oDebugAll,
97 : oDebugNone,
98 : oDebugWait,
99 : oDebugAllowCoreDump,
100 : oDebugNoChainValidation,
101 : oDebugIgnoreExpiration,
102 : oFixedPassphrase,
103 : oLogFile,
104 : oNoLogFile,
105 : oAuditLog,
106 : oHtmlAuditLog,
107 :
108 : oEnableSpecialFilenames,
109 :
110 : oAgentProgram,
111 : oDisplay,
112 : oTTYname,
113 : oTTYtype,
114 : oLCctype,
115 : oLCmessages,
116 : oXauthority,
117 :
118 : oPreferSystemDirmngr,
119 : oDirmngrProgram,
120 : oDisableDirmngr,
121 : oProtectToolProgram,
122 : oFakedSystemTime,
123 :
124 :
125 : oAssumeArmor,
126 : oAssumeBase64,
127 : oAssumeBinary,
128 :
129 : oBase64,
130 : oNoArmor,
131 : oP12Charset,
132 :
133 : oDisableCRLChecks,
134 : oEnableCRLChecks,
135 : oDisableTrustedCertCRLCheck,
136 : oEnableTrustedCertCRLCheck,
137 : oForceCRLRefresh,
138 :
139 : oDisableOCSP,
140 : oEnableOCSP,
141 :
142 : oIncludeCerts,
143 : oPolicyFile,
144 : oDisablePolicyChecks,
145 : oEnablePolicyChecks,
146 : oAutoIssuerKeyRetrieve,
147 :
148 : oWithFingerprint,
149 : oWithMD5Fingerprint,
150 : oWithKeygrip,
151 : oWithSecret,
152 : oAnswerYes,
153 : oAnswerNo,
154 : oKeyring,
155 : oDefaultKey,
156 : oDefRecipient,
157 : oDefRecipientSelf,
158 : oNoDefRecipient,
159 : oStatusFD,
160 : oCipherAlgo,
161 : oDigestAlgo,
162 : oExtraDigestAlgo,
163 : oNoVerbose,
164 : oNoSecmemWarn,
165 : oNoDefKeyring,
166 : oNoGreeting,
167 : oNoTTY,
168 : oNoOptions,
169 : oNoBatch,
170 : oHomedir,
171 : oWithColons,
172 : oWithKeyData,
173 : oWithValidation,
174 : oWithEphemeralKeys,
175 : oSkipVerify,
176 : oValidationModel,
177 : oKeyServer,
178 : oEncryptTo,
179 : oNoEncryptTo,
180 : oLoggerFD,
181 : oDisableCipherAlgo,
182 : oDisablePubkeyAlgo,
183 : oIgnoreTimeConflict,
184 : oNoRandomSeedFile,
185 : oNoCommonCertsImport,
186 : oIgnoreCertExtension,
187 : oNoAutostart
188 : };
189 :
190 :
191 : static ARGPARSE_OPTS opts[] = {
192 :
193 : ARGPARSE_group (300, N_("@Commands:\n ")),
194 :
195 : ARGPARSE_c (aSign, "sign", N_("make a signature")),
196 : /*ARGPARSE_c (aClearsign, "clearsign", N_("make a clear text signature") ),*/
197 : ARGPARSE_c (aDetachedSign, "detach-sign", N_("make a detached signature")),
198 : ARGPARSE_c (aEncr, "encrypt", N_("encrypt data")),
199 : /*ARGPARSE_c (aSym, "symmetric", N_("encryption only with symmetric cipher")),*/
200 : ARGPARSE_c (aDecrypt, "decrypt", N_("decrypt data (default)")),
201 : ARGPARSE_c (aVerify, "verify", N_("verify a signature")),
202 : ARGPARSE_c (aListKeys, "list-keys", N_("list keys")),
203 : ARGPARSE_c (aListExternalKeys, "list-external-keys",
204 : N_("list external keys")),
205 : ARGPARSE_c (aListSecretKeys, "list-secret-keys", N_("list secret keys")),
206 : ARGPARSE_c (aListChain, "list-chain", N_("list certificate chain")),
207 : ARGPARSE_c (aFingerprint, "fingerprint", N_("list keys and fingerprints")),
208 : ARGPARSE_c (aKeygen, "gen-key", N_("generate a new key pair")),
209 : ARGPARSE_c (aDeleteKey, "delete-keys",
210 : N_("remove keys from the public keyring")),
211 : /*ARGPARSE_c (aSendKeys, "send-keys", N_("export keys to a key server")),*/
212 : /*ARGPARSE_c (aRecvKeys, "recv-keys", N_("import keys from a key server")),*/
213 : ARGPARSE_c (aImport, "import", N_("import certificates")),
214 : ARGPARSE_c (aExport, "export", N_("export certificates")),
215 :
216 : /* We use -raw and not -p1 for pkcs#1 secret key export so that it
217 : won't accidently be used in case -p12 was intended. */
218 : ARGPARSE_c (aExportSecretKeyP12, "export-secret-key-p12", "@"),
219 : ARGPARSE_c (aExportSecretKeyP8, "export-secret-key-p8", "@"),
220 : ARGPARSE_c (aExportSecretKeyRaw, "export-secret-key-raw", "@"),
221 :
222 : ARGPARSE_c (aLearnCard, "learn-card", N_("register a smartcard")),
223 : ARGPARSE_c (aServer, "server", N_("run in server mode")),
224 : ARGPARSE_c (aCallDirmngr, "call-dirmngr",
225 : N_("pass a command to the dirmngr")),
226 : ARGPARSE_c (aCallProtectTool, "call-protect-tool",
227 : N_("invoke gpg-protect-tool")),
228 : ARGPARSE_c (aPasswd, "passwd", N_("change a passphrase")),
229 : ARGPARSE_c (aGPGConfList, "gpgconf-list", "@"),
230 : ARGPARSE_c (aGPGConfTest, "gpgconf-test", "@"),
231 :
232 : ARGPARSE_c (aDumpKeys, "dump-cert", "@"),
233 : ARGPARSE_c (aDumpKeys, "dump-keys", "@"),
234 : ARGPARSE_c (aDumpChain, "dump-chain", "@"),
235 : ARGPARSE_c (aDumpExternalKeys, "dump-external-keys", "@"),
236 : ARGPARSE_c (aDumpSecretKeys, "dump-secret-keys", "@"),
237 : ARGPARSE_c (aKeydbClearSomeCertFlags, "keydb-clear-some-cert-flags", "@"),
238 :
239 : ARGPARSE_group (301, N_("@\nOptions:\n ")),
240 :
241 : ARGPARSE_s_n (oArmor, "armor", N_("create ascii armored output")),
242 : ARGPARSE_s_n (oArmor, "armour", "@"),
243 : ARGPARSE_s_n (oBase64, "base64", N_("create base-64 encoded output")),
244 :
245 : ARGPARSE_s_s (oP12Charset, "p12-charset", "@"),
246 :
247 : ARGPARSE_s_n (oAssumeArmor, "assume-armor",
248 : N_("assume input is in PEM format")),
249 : ARGPARSE_s_n (oAssumeBase64, "assume-base64",
250 : N_("assume input is in base-64 format")),
251 : ARGPARSE_s_n (oAssumeBinary, "assume-binary",
252 : N_("assume input is in binary format")),
253 :
254 : ARGPARSE_s_s (oRecipient, "recipient", N_("|USER-ID|encrypt for USER-ID")),
255 :
256 : ARGPARSE_s_n (oPreferSystemDirmngr,"prefer-system-dirmngr", "@"),
257 :
258 : ARGPARSE_s_n (oDisableCRLChecks, "disable-crl-checks",
259 : N_("never consult a CRL")),
260 : ARGPARSE_s_n (oEnableCRLChecks, "enable-crl-checks", "@"),
261 : ARGPARSE_s_n (oDisableTrustedCertCRLCheck,
262 : "disable-trusted-cert-crl-check", "@"),
263 : ARGPARSE_s_n (oEnableTrustedCertCRLCheck,
264 : "enable-trusted-cert-crl-check", "@"),
265 :
266 : ARGPARSE_s_n (oForceCRLRefresh, "force-crl-refresh", "@"),
267 :
268 : ARGPARSE_s_n (oDisableOCSP, "disable-ocsp", "@"),
269 : ARGPARSE_s_n (oEnableOCSP, "enable-ocsp", N_("check validity using OCSP")),
270 :
271 : ARGPARSE_s_s (oValidationModel, "validation-model", "@"),
272 :
273 : ARGPARSE_s_i (oIncludeCerts, "include-certs",
274 : N_("|N|number of certificates to include") ),
275 :
276 : ARGPARSE_s_s (oPolicyFile, "policy-file",
277 : N_("|FILE|take policy information from FILE")),
278 :
279 : ARGPARSE_s_n (oDisablePolicyChecks, "disable-policy-checks",
280 : N_("do not check certificate policies")),
281 : ARGPARSE_s_n (oEnablePolicyChecks, "enable-policy-checks", "@"),
282 :
283 : ARGPARSE_s_n (oAutoIssuerKeyRetrieve, "auto-issuer-key-retrieve",
284 : N_("fetch missing issuer certificates")),
285 :
286 : ARGPARSE_s_s (oEncryptTo, "encrypt-to", "@"),
287 : ARGPARSE_s_n (oNoEncryptTo, "no-encrypt-to", "@"),
288 :
289 : ARGPARSE_s_s (oUser, "local-user",
290 : N_("|USER-ID|use USER-ID to sign or decrypt")),
291 :
292 : ARGPARSE_s_s (oOutput, "output", N_("|FILE|write output to FILE")),
293 : ARGPARSE_s_n (oVerbose, "verbose", N_("verbose")),
294 : ARGPARSE_s_n (oQuiet, "quiet", N_("be somewhat more quiet")),
295 : ARGPARSE_s_n (oNoTTY, "no-tty", N_("don't use the terminal at all")),
296 : ARGPARSE_s_s (oLogFile, "log-file",
297 : N_("|FILE|write a server mode log to FILE")),
298 : ARGPARSE_s_n (oNoLogFile, "no-log-file", "@"),
299 : ARGPARSE_s_i (oLoggerFD, "logger-fd", "@"),
300 :
301 : ARGPARSE_s_s (oAuditLog, "audit-log",
302 : N_("|FILE|write an audit log to FILE")),
303 : ARGPARSE_s_s (oHtmlAuditLog, "html-audit-log", "@"),
304 : ARGPARSE_s_n (oDryRun, "dry-run", N_("do not make any changes")),
305 : ARGPARSE_s_n (oBatch, "batch", N_("batch mode: never ask")),
306 : ARGPARSE_s_n (oAnswerYes, "yes", N_("assume yes on most questions")),
307 : ARGPARSE_s_n (oAnswerNo, "no", N_("assume no on most questions")),
308 :
309 : ARGPARSE_s_s (oKeyring, "keyring",
310 : N_("|FILE|add keyring to the list of keyrings")),
311 :
312 : ARGPARSE_s_s (oDefaultKey, "default-key",
313 : N_("|USER-ID|use USER-ID as default secret key")),
314 :
315 : /* Not yet used: */
316 : /* ARGPARSE_s_s (oDefRecipient, "default-recipient", */
317 : /* N_("|NAME|use NAME as default recipient")), */
318 : /* ARGPARSE_s_n (oDefRecipientSelf, "default-recipient-self", */
319 : /* N_("use the default key as default recipient")), */
320 : /* ARGPARSE_s_n (oNoDefRecipient, "no-default-recipient", "@"), */
321 :
322 : ARGPARSE_s_s (oKeyServer, "keyserver",
323 : N_("|SPEC|use this keyserver to lookup keys")),
324 : ARGPARSE_s_s (oOptions, "options", N_("|FILE|read options from FILE")),
325 :
326 : ARGPARSE_s_s (oDebug, "debug", "@"),
327 : ARGPARSE_s_s (oDebugLevel, "debug-level",
328 : N_("|LEVEL|set the debugging level to LEVEL")),
329 : ARGPARSE_s_n (oDebugAll, "debug-all", "@"),
330 : ARGPARSE_s_n (oDebugNone, "debug-none", "@"),
331 : ARGPARSE_s_i (oDebugWait, "debug-wait", "@"),
332 : ARGPARSE_s_n (oDebugAllowCoreDump, "debug-allow-core-dump", "@"),
333 : ARGPARSE_s_n (oDebugNoChainValidation, "debug-no-chain-validation", "@"),
334 : ARGPARSE_s_n (oDebugIgnoreExpiration, "debug-ignore-expiration", "@"),
335 : ARGPARSE_s_s (oFixedPassphrase, "fixed-passphrase", "@"),
336 :
337 : ARGPARSE_s_i (oStatusFD, "status-fd",
338 : N_("|FD|write status info to this FD")),
339 :
340 : ARGPARSE_s_s (oCipherAlgo, "cipher-algo",
341 : N_("|NAME|use cipher algorithm NAME")),
342 : ARGPARSE_s_s (oDigestAlgo, "digest-algo",
343 : N_("|NAME|use message digest algorithm NAME")),
344 : ARGPARSE_s_s (oExtraDigestAlgo, "extra-digest-algo", "@"),
345 :
346 :
347 : ARGPARSE_group (302, N_(
348 : "@\n(See the man page for a complete listing of all commands and options)\n"
349 : )),
350 :
351 : ARGPARSE_group (303, N_("@\nExamples:\n\n"
352 : " -se -r Bob [file] sign and encrypt for user Bob\n"
353 : " --clearsign [file] make a clear text signature\n"
354 : " --detach-sign [file] make a detached signature\n"
355 : " --list-keys [names] show keys\n"
356 : " --fingerprint [names] show fingerprints\n" )),
357 :
358 : /* Hidden options. */
359 : ARGPARSE_s_n (oNoVerbose, "no-verbose", "@"),
360 : ARGPARSE_s_n (oEnableSpecialFilenames, "enable-special-filenames", "@"),
361 : ARGPARSE_s_n (oNoSecmemWarn, "no-secmem-warning", "@"),
362 : ARGPARSE_s_n (oNoArmor, "no-armor", "@"),
363 : ARGPARSE_s_n (oNoArmor, "no-armour", "@"),
364 : ARGPARSE_s_n (oNoDefKeyring, "no-default-keyring", "@"),
365 : ARGPARSE_s_n (oNoGreeting, "no-greeting", "@"),
366 : ARGPARSE_s_n (oNoOptions, "no-options", "@"),
367 : ARGPARSE_s_s (oHomedir, "homedir", "@"),
368 : ARGPARSE_s_s (oAgentProgram, "agent-program", "@"),
369 : ARGPARSE_s_s (oDisplay, "display", "@"),
370 : ARGPARSE_s_s (oTTYname, "ttyname", "@"),
371 : ARGPARSE_s_s (oTTYtype, "ttytype", "@"),
372 : ARGPARSE_s_s (oLCctype, "lc-ctype", "@"),
373 : ARGPARSE_s_s (oLCmessages, "lc-messages", "@"),
374 : ARGPARSE_s_s (oXauthority, "xauthority", "@"),
375 : ARGPARSE_s_s (oDirmngrProgram, "dirmngr-program", "@"),
376 : ARGPARSE_s_n (oDisableDirmngr, "disable-dirmngr", "@"),
377 : ARGPARSE_s_s (oProtectToolProgram, "protect-tool-program", "@"),
378 : ARGPARSE_s_s (oFakedSystemTime, "faked-system-time", "@"),
379 : ARGPARSE_s_n (oNoBatch, "no-batch", "@"),
380 : ARGPARSE_s_n (oWithColons, "with-colons", "@"),
381 : ARGPARSE_s_n (oWithKeyData,"with-key-data", "@"),
382 : ARGPARSE_s_n (oWithValidation, "with-validation", "@"),
383 : ARGPARSE_s_n (oWithMD5Fingerprint, "with-md5-fingerprint", "@"),
384 : ARGPARSE_s_n (oWithEphemeralKeys, "with-ephemeral-keys", "@"),
385 : ARGPARSE_s_n (oSkipVerify, "skip-verify", "@"),
386 : ARGPARSE_s_n (oWithFingerprint, "with-fingerprint", "@"),
387 : ARGPARSE_s_n (oWithKeygrip, "with-keygrip", "@"),
388 : ARGPARSE_s_n (oWithSecret, "with-secret", "@"),
389 : ARGPARSE_s_s (oDisableCipherAlgo, "disable-cipher-algo", "@"),
390 : ARGPARSE_s_s (oDisablePubkeyAlgo, "disable-pubkey-algo", "@"),
391 : ARGPARSE_s_n (oIgnoreTimeConflict, "ignore-time-conflict", "@"),
392 : ARGPARSE_s_n (oNoRandomSeedFile, "no-random-seed-file", "@"),
393 : ARGPARSE_s_n (oNoCommonCertsImport, "no-common-certs-import", "@"),
394 : ARGPARSE_s_s (oIgnoreCertExtension, "ignore-cert-extension", "@"),
395 : ARGPARSE_s_n (oNoAutostart, "no-autostart", "@"),
396 :
397 : /* Command aliases. */
398 : ARGPARSE_c (aListKeys, "list-key", "@"),
399 : ARGPARSE_c (aListChain, "list-sig", "@"),
400 : ARGPARSE_c (aListChain, "list-sigs", "@"),
401 : ARGPARSE_c (aListChain, "check-sig", "@"),
402 : ARGPARSE_c (aListChain, "check-sigs", "@"),
403 : ARGPARSE_c (aDeleteKey, "delete-key", "@"),
404 :
405 : ARGPARSE_end ()
406 : };
407 :
408 :
409 : /* The list of supported debug flags. */
410 : static struct debug_flags_s debug_flags [] =
411 : {
412 : { DBG_X509_VALUE , "x509" },
413 : { DBG_MPI_VALUE , "mpi" },
414 : { DBG_CRYPTO_VALUE , "crypto" },
415 : { DBG_MEMORY_VALUE , "memory" },
416 : { DBG_CACHE_VALUE , "cache" },
417 : { DBG_MEMSTAT_VALUE, "memstat" },
418 : { DBG_HASHING_VALUE, "hashing" },
419 : { DBG_IPC_VALUE , "ipc" },
420 : { 0, NULL }
421 : };
422 :
423 :
424 : /* Global variable to keep an error count. */
425 : int gpgsm_errors_seen = 0;
426 :
427 : /* It is possible that we are currentlu running under setuid permissions */
428 : static int maybe_setuid = 1;
429 :
430 : /* Helper to implement --debug-level and --debug*/
431 : static const char *debug_level;
432 : static unsigned int debug_value;
433 :
434 : /* Option --enable-special-filenames */
435 : static int allow_special_filenames;
436 :
437 : /* Default value for include-certs. We need an extra macro for
438 : gpgconf-list because the variable will be changed by the command
439 : line option.
440 :
441 : It is often cumbersome to locate intermediate certificates, thus by
442 : default we include all certificates in the chain. However we leave
443 : out the root certificate because that would make it too easy for
444 : the recipient to import that root certificate. A root certificate
445 : should be installed only after due checks and thus it won't help to
446 : send it along with each message. */
447 : #define DEFAULT_INCLUDE_CERTS -2 /* Include all certs but root. */
448 : static int default_include_certs = DEFAULT_INCLUDE_CERTS;
449 :
450 : /* Whether the chain mode shall be used for validation. */
451 : static int default_validation_model;
452 :
453 : /* The default cipher algo. */
454 : #define DEFAULT_CIPHER_ALGO "AES"
455 :
456 :
457 : static char *build_list (const char *text,
458 : const char *(*mapf)(int), int (*chkf)(int));
459 : static void set_cmd (enum cmd_and_opt_values *ret_cmd,
460 : enum cmd_and_opt_values new_cmd );
461 :
462 : static void emergency_cleanup (void);
463 : static int check_special_filename (const char *fname, int for_write);
464 : static int open_read (const char *filename);
465 : static estream_t open_es_fread (const char *filename, const char *mode);
466 : static estream_t open_es_fwrite (const char *filename);
467 : static void run_protect_tool (int argc, char **argv);
468 :
469 : static int
470 0 : our_pk_test_algo (int algo)
471 : {
472 0 : switch (algo)
473 : {
474 : case GCRY_PK_RSA:
475 : case GCRY_PK_ECDSA:
476 0 : return gcry_pk_test_algo (algo);
477 : default:
478 0 : return 1;
479 : }
480 : }
481 :
482 : static int
483 0 : our_cipher_test_algo (int algo)
484 : {
485 0 : switch (algo)
486 : {
487 : case GCRY_CIPHER_3DES:
488 : case GCRY_CIPHER_AES128:
489 : case GCRY_CIPHER_AES192:
490 : case GCRY_CIPHER_AES256:
491 : case GCRY_CIPHER_SERPENT128:
492 : case GCRY_CIPHER_SERPENT192:
493 : case GCRY_CIPHER_SERPENT256:
494 : case GCRY_CIPHER_SEED:
495 : case GCRY_CIPHER_CAMELLIA128:
496 : case GCRY_CIPHER_CAMELLIA192:
497 : case GCRY_CIPHER_CAMELLIA256:
498 0 : return gcry_cipher_test_algo (algo);
499 : default:
500 0 : return 1;
501 : }
502 : }
503 :
504 :
505 : static int
506 0 : our_md_test_algo (int algo)
507 : {
508 0 : switch (algo)
509 : {
510 : case GCRY_MD_MD5:
511 : case GCRY_MD_SHA1:
512 : case GCRY_MD_RMD160:
513 : case GCRY_MD_SHA224:
514 : case GCRY_MD_SHA256:
515 : case GCRY_MD_SHA384:
516 : case GCRY_MD_SHA512:
517 : case GCRY_MD_WHIRLPOOL:
518 0 : return gcry_md_test_algo (algo);
519 : default:
520 0 : return 1;
521 : }
522 : }
523 :
524 :
525 : static char *
526 0 : make_libversion (const char *libname, const char *(*getfnc)(const char*))
527 : {
528 : const char *s;
529 : char *result;
530 :
531 0 : if (maybe_setuid)
532 : {
533 0 : gcry_control (GCRYCTL_INIT_SECMEM, 0, 0); /* Drop setuid. */
534 0 : maybe_setuid = 0;
535 : }
536 0 : s = getfnc (NULL);
537 0 : result = xmalloc (strlen (libname) + 1 + strlen (s) + 1);
538 0 : strcpy (stpcpy (stpcpy (result, libname), " "), s);
539 0 : return result;
540 : }
541 :
542 :
543 : static const char *
544 0 : my_strusage( int level )
545 : {
546 : static char *digests, *pubkeys, *ciphers;
547 : static char *ver_gcry, *ver_ksba;
548 : const char *p;
549 :
550 0 : switch (level)
551 : {
552 0 : case 11: p = "@GPGSM@ (@GNUPG@)";
553 0 : break;
554 0 : case 13: p = VERSION; break;
555 0 : case 17: p = PRINTABLE_OS_NAME; break;
556 0 : case 19: p = _("Please report bugs to <@EMAIL@>.\n"); break;
557 :
558 : case 1:
559 0 : case 40: p = _("Usage: @GPGSM@ [options] [files] (-h for help)");
560 0 : break;
561 : case 41:
562 0 : p = _("Syntax: @GPGSM@ [options] [files]\n"
563 : "Sign, check, encrypt or decrypt using the S/MIME protocol\n"
564 : "Default operation depends on the input data\n");
565 0 : break;
566 :
567 : case 20:
568 0 : if (!ver_gcry)
569 0 : ver_gcry = make_libversion ("libgcrypt", gcry_check_version);
570 0 : p = ver_gcry;
571 0 : break;
572 : case 21:
573 0 : if (!ver_ksba)
574 0 : ver_ksba = make_libversion ("libksba", ksba_check_version);
575 0 : p = ver_ksba;
576 0 : break;
577 :
578 0 : case 31: p = "\nHome: "; break;
579 0 : case 32: p = opt.homedir; break;
580 0 : case 33: p = _("\nSupported algorithms:\n"); break;
581 : case 34:
582 0 : if (!ciphers)
583 0 : ciphers = build_list ("Cipher: ", gnupg_cipher_algo_name,
584 : our_cipher_test_algo );
585 0 : p = ciphers;
586 0 : break;
587 : case 35:
588 0 : if (!pubkeys)
589 0 : pubkeys = build_list ("Pubkey: ", gcry_pk_algo_name,
590 : our_pk_test_algo );
591 0 : p = pubkeys;
592 0 : break;
593 : case 36:
594 0 : if (!digests)
595 0 : digests = build_list("Hash: ", gcry_md_algo_name, our_md_test_algo );
596 0 : p = digests;
597 0 : break;
598 :
599 0 : default: p = NULL; break;
600 : }
601 0 : return p;
602 : }
603 :
604 :
605 : static char *
606 0 : build_list (const char *text, const char * (*mapf)(int), int (*chkf)(int))
607 : {
608 : int i;
609 0 : size_t n=strlen(text)+2;
610 : char *list, *p;
611 :
612 0 : if (maybe_setuid) {
613 0 : gcry_control (GCRYCTL_DROP_PRIVS); /* drop setuid */
614 : }
615 :
616 0 : for (i=1; i < 400; i++ )
617 0 : if (!chkf(i))
618 0 : n += strlen(mapf(i)) + 2;
619 0 : list = xmalloc (21 + n);
620 0 : *list = 0;
621 0 : for (p=NULL, i=1; i < 400; i++)
622 : {
623 0 : if (!chkf(i))
624 : {
625 0 : if( !p )
626 0 : p = stpcpy (list, text );
627 : else
628 0 : p = stpcpy (p, ", ");
629 0 : p = stpcpy (p, mapf(i) );
630 : }
631 : }
632 0 : if (p)
633 0 : p = stpcpy(p, "\n" );
634 0 : return list;
635 : }
636 :
637 :
638 : /* Set the file pointer into binary mode if required. */
639 : static void
640 0 : set_binary (FILE *fp)
641 : {
642 : #ifdef HAVE_DOSISH_SYSTEM
643 : setmode (fileno (fp), O_BINARY);
644 : #else
645 : (void)fp;
646 : #endif
647 0 : }
648 :
649 :
650 :
651 : static void
652 0 : wrong_args (const char *text)
653 : {
654 0 : fprintf (stderr, _("usage: %s [options] %s\n"), GPGSM_NAME, text);
655 0 : gpgsm_exit (2);
656 0 : }
657 :
658 :
659 : static void
660 0 : set_opt_session_env (const char *name, const char *value)
661 : {
662 : gpg_error_t err;
663 :
664 0 : err = session_env_setenv (opt.session_env, name, value);
665 0 : if (err)
666 0 : log_fatal ("error setting session environment: %s\n",
667 : gpg_strerror (err));
668 0 : }
669 :
670 :
671 : /* Setup the debugging. With a DEBUG_LEVEL of NULL only the active
672 : debug flags are propagated to the subsystems. With DEBUG_LEVEL
673 : set, a specific set of debug flags is set; and individual debugging
674 : flags will be added on top. */
675 : static void
676 3 : set_debug (void)
677 : {
678 3 : int numok = (debug_level && digitp (debug_level));
679 3 : int numlvl = numok? atoi (debug_level) : 0;
680 :
681 3 : if (!debug_level)
682 : ;
683 0 : else if (!strcmp (debug_level, "none") || (numok && numlvl < 1))
684 0 : opt.debug = 0;
685 0 : else if (!strcmp (debug_level, "basic") || (numok && numlvl <= 2))
686 0 : opt.debug = DBG_IPC_VALUE;
687 0 : else if (!strcmp (debug_level, "advanced") || (numok && numlvl <= 5))
688 0 : opt.debug = DBG_IPC_VALUE|DBG_X509_VALUE;
689 0 : else if (!strcmp (debug_level, "expert") || (numok && numlvl <= 8))
690 0 : opt.debug = (DBG_IPC_VALUE|DBG_X509_VALUE
691 : |DBG_CACHE_VALUE|DBG_CRYPTO_VALUE);
692 0 : else if (!strcmp (debug_level, "guru") || numok)
693 : {
694 0 : opt.debug = ~0;
695 : /* Unless the "guru" string has been used we don't want to allow
696 : hashing debugging. The rationale is that people tend to
697 : select the highest debug value and would then clutter their
698 : disk with debug files which may reveal confidential data. */
699 0 : if (numok)
700 0 : opt.debug &= ~(DBG_HASHING_VALUE);
701 : }
702 : else
703 : {
704 0 : log_error (_("invalid debug-level '%s' given\n"), debug_level);
705 0 : gpgsm_exit (2);
706 : }
707 :
708 3 : opt.debug |= debug_value;
709 :
710 3 : if (opt.debug && !opt.verbose)
711 0 : opt.verbose = 1;
712 3 : if (opt.debug)
713 0 : opt.quiet = 0;
714 :
715 3 : if (opt.debug & DBG_MPI_VALUE)
716 0 : gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 2);
717 3 : if (opt.debug & DBG_CRYPTO_VALUE )
718 0 : gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1);
719 3 : gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
720 :
721 3 : if (opt.debug)
722 0 : parse_debug_flag (NULL, &opt.debug, debug_flags);
723 3 : }
724 :
725 :
726 :
727 : static void
728 3 : set_cmd (enum cmd_and_opt_values *ret_cmd, enum cmd_and_opt_values new_cmd)
729 : {
730 3 : enum cmd_and_opt_values cmd = *ret_cmd;
731 :
732 3 : if (!cmd || cmd == new_cmd)
733 3 : cmd = new_cmd;
734 0 : else if ( cmd == aSign && new_cmd == aEncr )
735 0 : cmd = aSignEncr;
736 0 : else if ( cmd == aEncr && new_cmd == aSign )
737 0 : cmd = aSignEncr;
738 0 : else if ( (cmd == aSign && new_cmd == aClearsign)
739 0 : || (cmd == aClearsign && new_cmd == aSign) )
740 0 : cmd = aClearsign;
741 : else
742 : {
743 0 : log_error(_("conflicting commands\n"));
744 0 : gpgsm_exit(2);
745 : }
746 :
747 3 : *ret_cmd = cmd;
748 3 : }
749 :
750 :
751 : /* Helper to add recipients to a list. */
752 : static void
753 0 : do_add_recipient (ctrl_t ctrl, const char *name,
754 : certlist_t *recplist, int is_encrypt_to, int recp_required)
755 : {
756 0 : int rc = gpgsm_add_to_certlist (ctrl, name, 0, recplist, is_encrypt_to);
757 0 : if (rc)
758 : {
759 0 : if (recp_required)
760 : {
761 0 : log_error ("can't encrypt to '%s': %s\n", name, gpg_strerror (rc));
762 0 : gpgsm_status2 (ctrl, STATUS_INV_RECP,
763 : get_inv_recpsgnr_code (rc), name, NULL);
764 : }
765 : else
766 0 : log_info (_("Note: won't be able to encrypt to '%s': %s\n"),
767 : name, gpg_strerror (rc));
768 : }
769 0 : }
770 :
771 :
772 : static void
773 0 : parse_validation_model (const char *model)
774 : {
775 0 : int i = gpgsm_parse_validation_model (model);
776 0 : if (i == -1)
777 0 : log_error (_("unknown validation model '%s'\n"), model);
778 : else
779 0 : default_validation_model = i;
780 0 : }
781 :
782 :
783 : /* Release the list of SERVERS. As usual it is okay to call this
784 : function with SERVERS passed as NULL. */
785 : void
786 3 : keyserver_list_free (struct keyserver_spec *servers)
787 : {
788 6 : while (servers)
789 : {
790 0 : struct keyserver_spec *tmp = servers->next;
791 0 : xfree (servers->host);
792 0 : xfree (servers->user);
793 0 : if (servers->pass)
794 0 : memset (servers->pass, 0, strlen (servers->pass));
795 0 : xfree (servers->pass);
796 0 : xfree (servers->base);
797 0 : xfree (servers);
798 0 : servers = tmp;
799 : }
800 3 : }
801 :
802 : /* See also dirmngr ldapserver_parse_one(). */
803 : struct keyserver_spec *
804 0 : parse_keyserver_line (char *line,
805 : const char *filename, unsigned int lineno)
806 : {
807 : char *p;
808 : char *endp;
809 : struct keyserver_spec *server;
810 : int fieldno;
811 0 : int fail = 0;
812 :
813 : /* Parse the colon separated fields. */
814 0 : server = xcalloc (1, sizeof *server);
815 0 : for (fieldno = 1, p = line; p; p = endp, fieldno++ )
816 : {
817 0 : endp = strchr (p, ':');
818 0 : if (endp)
819 0 : *endp++ = '\0';
820 0 : trim_spaces (p);
821 0 : switch (fieldno)
822 : {
823 : case 1:
824 0 : if (*p)
825 0 : server->host = xstrdup (p);
826 : else
827 : {
828 0 : log_error (_("%s:%u: no hostname given\n"),
829 : filename, lineno);
830 0 : fail = 1;
831 : }
832 0 : break;
833 :
834 : case 2:
835 0 : if (*p)
836 0 : server->port = atoi (p);
837 0 : break;
838 :
839 : case 3:
840 0 : if (*p)
841 0 : server->user = xstrdup (p);
842 0 : break;
843 :
844 : case 4:
845 0 : if (*p && !server->user)
846 : {
847 0 : log_error (_("%s:%u: password given without user\n"),
848 : filename, lineno);
849 0 : fail = 1;
850 : }
851 0 : else if (*p)
852 0 : server->pass = xstrdup (p);
853 0 : break;
854 :
855 : case 5:
856 0 : if (*p)
857 0 : server->base = xstrdup (p);
858 0 : break;
859 :
860 : default:
861 : /* (We silently ignore extra fields.) */
862 0 : break;
863 : }
864 : }
865 :
866 0 : if (fail)
867 : {
868 0 : log_info (_("%s:%u: skipping this line\n"), filename, lineno);
869 0 : keyserver_list_free (server);
870 0 : server = NULL;
871 : }
872 :
873 0 : return server;
874 : }
875 :
876 :
877 : int
878 3 : main ( int argc, char **argv)
879 : {
880 : ARGPARSE_ARGS pargs;
881 : int orig_argc;
882 : char **orig_argv;
883 : /* char *username;*/
884 : int may_coredump;
885 3 : strlist_t sl, remusr= NULL, locusr=NULL;
886 3 : strlist_t nrings=NULL;
887 3 : int detached_sig = 0;
888 3 : FILE *configfp = NULL;
889 3 : char *configname = NULL;
890 : unsigned configlineno;
891 3 : int parse_debug = 0;
892 3 : int no_more_options = 0;
893 3 : int default_config =1;
894 3 : int default_keyring = 1;
895 3 : char *logfile = NULL;
896 3 : char *auditlog = NULL;
897 3 : char *htmlauditlog = NULL;
898 3 : int greeting = 0;
899 3 : int nogreeting = 0;
900 3 : int debug_wait = 0;
901 3 : int use_random_seed = 1;
902 3 : int no_common_certs_import = 0;
903 3 : int with_fpr = 0;
904 3 : const char *forced_digest_algo = NULL;
905 3 : const char *extra_digest_algo = NULL;
906 3 : enum cmd_and_opt_values cmd = 0;
907 : struct server_control_s ctrl;
908 3 : certlist_t recplist = NULL;
909 3 : certlist_t signerlist = NULL;
910 3 : int do_not_setup_keys = 0;
911 3 : int recp_required = 0;
912 3 : estream_t auditfp = NULL;
913 3 : estream_t htmlauditfp = NULL;
914 : struct assuan_malloc_hooks malloc_hooks;
915 :
916 : /*mtrace();*/
917 :
918 3 : early_system_init ();
919 3 : gnupg_reopen_std (GPGSM_NAME);
920 : /* trap_unaligned ();*/
921 3 : gnupg_rl_initialize ();
922 3 : set_strusage (my_strusage);
923 3 : gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
924 :
925 : /* Please note that we may running SUID(ROOT), so be very CAREFUL
926 : when adding any stuff between here and the call to secmem_init()
927 : somewhere after the option parsing */
928 3 : log_set_prefix (GPGSM_NAME, 1);
929 :
930 : /* Make sure that our subsystems are ready. */
931 3 : i18n_init ();
932 3 : init_common_subsystems (&argc, &argv);
933 :
934 : /* Check that the libraries are suitable. Do it here because the
935 : option parse may need services of the library */
936 3 : if (!gcry_check_version (NEED_LIBGCRYPT_VERSION) )
937 0 : log_fatal (_("%s is too old (need %s, have %s)\n"), "libgcrypt",
938 : NEED_LIBGCRYPT_VERSION, gcry_check_version (NULL) );
939 3 : if (!ksba_check_version (NEED_KSBA_VERSION) )
940 0 : log_fatal (_("%s is too old (need %s, have %s)\n"), "libksba",
941 : NEED_KSBA_VERSION, ksba_check_version (NULL) );
942 :
943 :
944 3 : gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
945 :
946 3 : may_coredump = disable_core_dumps ();
947 :
948 3 : gnupg_init_signals (0, emergency_cleanup);
949 :
950 3 : dotlock_create (NULL, 0); /* Register lockfile cleanup. */
951 :
952 3 : opt.autostart = 1;
953 3 : opt.session_env = session_env_new ();
954 3 : if (!opt.session_env)
955 0 : log_fatal ("error allocating session environment block: %s\n",
956 0 : strerror (errno));
957 :
958 : /* Note: If you change this default cipher algorithm , please
959 : remember to update the Gpgconflist entry as well. */
960 3 : opt.def_cipher_algoid = DEFAULT_CIPHER_ALGO;
961 :
962 3 : opt.homedir = default_homedir ();
963 :
964 :
965 : /* First check whether we have a config file on the commandline */
966 3 : orig_argc = argc;
967 3 : orig_argv = argv;
968 3 : pargs.argc = &argc;
969 3 : pargs.argv = &argv;
970 3 : pargs.flags= 1|(1<<6); /* do not remove the args, ignore version */
971 9 : while (arg_parse( &pargs, opts))
972 : {
973 3 : if (pargs.r_opt == oDebug || pargs.r_opt == oDebugAll)
974 0 : parse_debug++;
975 3 : else if (pargs.r_opt == oOptions)
976 : { /* yes there is one, so we do not try the default one but
977 : read the config file when it is encountered at the
978 : commandline */
979 0 : default_config = 0;
980 : }
981 3 : else if (pargs.r_opt == oNoOptions)
982 : {
983 0 : default_config = 0; /* --no-options */
984 0 : opt.no_homedir_creation = 1;
985 : }
986 3 : else if (pargs.r_opt == oHomedir)
987 0 : opt.homedir = pargs.r.ret_str;
988 3 : else if (pargs.r_opt == aCallProtectTool)
989 0 : break; /* This break makes sure that --version and --help are
990 : passed to the protect-tool. */
991 : }
992 :
993 :
994 : /* Initialize the secure memory. */
995 3 : gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
996 3 : maybe_setuid = 0;
997 :
998 : /*
999 : Now we are now working under our real uid
1000 : */
1001 :
1002 3 : ksba_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free );
1003 :
1004 3 : malloc_hooks.malloc = gcry_malloc;
1005 3 : malloc_hooks.realloc = gcry_realloc;
1006 3 : malloc_hooks.free = gcry_free;
1007 3 : assuan_set_malloc_hooks (&malloc_hooks);
1008 3 : assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
1009 3 : setup_libassuan_logging (&opt.debug);
1010 :
1011 3 : keybox_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free);
1012 :
1013 : /* Setup a default control structure for command line mode */
1014 3 : memset (&ctrl, 0, sizeof ctrl);
1015 3 : gpgsm_init_default_ctrl (&ctrl);
1016 3 : ctrl.no_server = 1;
1017 3 : ctrl.status_fd = -1; /* No status output. */
1018 3 : ctrl.autodetect_encoding = 1;
1019 :
1020 : /* Set the default option file */
1021 3 : if (default_config )
1022 3 : configname = make_filename (opt.homedir, GPGSM_NAME EXTSEP_S "conf", NULL);
1023 : /* Set the default policy file */
1024 3 : opt.policy_file = make_filename (opt.homedir, "policies.txt", NULL);
1025 :
1026 3 : argc = orig_argc;
1027 3 : argv = orig_argv;
1028 3 : pargs.argc = &argc;
1029 3 : pargs.argv = &argv;
1030 3 : pargs.flags = 1; /* do not remove the args */
1031 :
1032 : next_pass:
1033 6 : if (configname) {
1034 3 : configlineno = 0;
1035 3 : configfp = fopen (configname, "r");
1036 3 : if (!configfp)
1037 : {
1038 0 : if (default_config)
1039 : {
1040 0 : if (parse_debug)
1041 0 : log_info (_("Note: no default option file '%s'\n"), configname);
1042 : }
1043 : else
1044 : {
1045 0 : log_error (_("option file '%s': %s\n"), configname, strerror(errno));
1046 0 : gpgsm_exit(2);
1047 : }
1048 0 : xfree(configname);
1049 0 : configname = NULL;
1050 : }
1051 3 : if (parse_debug && configname)
1052 0 : log_info (_("reading options from '%s'\n"), configname);
1053 3 : default_config = 0;
1054 : }
1055 :
1056 27 : while (!no_more_options
1057 21 : && optfile_parse (configfp, configname, &configlineno, &pargs, opts))
1058 : {
1059 15 : switch (pargs.r_opt)
1060 : {
1061 : case aGPGConfList:
1062 : case aGPGConfTest:
1063 0 : set_cmd (&cmd, pargs.r_opt);
1064 0 : do_not_setup_keys = 1;
1065 0 : nogreeting = 1;
1066 0 : break;
1067 :
1068 : case aServer:
1069 0 : opt.batch = 1;
1070 0 : set_cmd (&cmd, aServer);
1071 0 : break;
1072 :
1073 : case aCallDirmngr:
1074 0 : opt.batch = 1;
1075 0 : set_cmd (&cmd, aCallDirmngr);
1076 0 : do_not_setup_keys = 1;
1077 0 : break;
1078 :
1079 : case aCallProtectTool:
1080 0 : opt.batch = 1;
1081 0 : set_cmd (&cmd, aCallProtectTool);
1082 0 : no_more_options = 1; /* Stop parsing. */
1083 0 : do_not_setup_keys = 1;
1084 0 : break;
1085 :
1086 : case aDeleteKey:
1087 0 : set_cmd (&cmd, aDeleteKey);
1088 : /*greeting=1;*/
1089 0 : do_not_setup_keys = 1;
1090 0 : break;
1091 :
1092 : case aDetachedSign:
1093 0 : detached_sig = 1;
1094 0 : set_cmd (&cmd, aSign );
1095 0 : break;
1096 :
1097 : case aKeygen:
1098 0 : set_cmd (&cmd, aKeygen);
1099 0 : greeting=1;
1100 0 : do_not_setup_keys = 1;
1101 0 : break;
1102 :
1103 : case aImport:
1104 : case aSendKeys:
1105 : case aRecvKeys:
1106 : case aExport:
1107 : case aExportSecretKeyP12:
1108 : case aExportSecretKeyP8:
1109 : case aExportSecretKeyRaw:
1110 : case aDumpKeys:
1111 : case aDumpChain:
1112 : case aDumpExternalKeys:
1113 : case aDumpSecretKeys:
1114 : case aListKeys:
1115 : case aListExternalKeys:
1116 : case aListSecretKeys:
1117 : case aListChain:
1118 : case aLearnCard:
1119 : case aPasswd:
1120 : case aKeydbClearSomeCertFlags:
1121 3 : do_not_setup_keys = 1;
1122 3 : set_cmd (&cmd, pargs.r_opt);
1123 3 : break;
1124 :
1125 : case aEncr:
1126 0 : recp_required = 1;
1127 0 : set_cmd (&cmd, pargs.r_opt);
1128 0 : break;
1129 :
1130 : case aSym:
1131 : case aDecrypt:
1132 : case aSign:
1133 : case aClearsign:
1134 : case aVerify:
1135 0 : set_cmd (&cmd, pargs.r_opt);
1136 0 : break;
1137 :
1138 : /* Output encoding selection. */
1139 : case oArmor:
1140 0 : ctrl.create_pem = 1;
1141 0 : break;
1142 : case oBase64:
1143 0 : ctrl.create_pem = 0;
1144 0 : ctrl.create_base64 = 1;
1145 0 : break;
1146 : case oNoArmor:
1147 0 : ctrl.create_pem = 0;
1148 0 : ctrl.create_base64 = 0;
1149 0 : break;
1150 :
1151 : case oP12Charset:
1152 0 : opt.p12_charset = pargs.r.ret_str;
1153 0 : break;
1154 :
1155 : /* Input encoding selection. */
1156 : case oAssumeArmor:
1157 0 : ctrl.autodetect_encoding = 0;
1158 0 : ctrl.is_pem = 1;
1159 0 : ctrl.is_base64 = 0;
1160 0 : break;
1161 : case oAssumeBase64:
1162 0 : ctrl.autodetect_encoding = 0;
1163 0 : ctrl.is_pem = 0;
1164 0 : ctrl.is_base64 = 1;
1165 0 : break;
1166 : case oAssumeBinary:
1167 0 : ctrl.autodetect_encoding = 0;
1168 0 : ctrl.is_pem = 0;
1169 0 : ctrl.is_base64 = 0;
1170 0 : break;
1171 :
1172 : case oDisableCRLChecks:
1173 3 : opt.no_crl_check = 1;
1174 3 : break;
1175 : case oEnableCRLChecks:
1176 0 : opt.no_crl_check = 0;
1177 0 : break;
1178 : case oDisableTrustedCertCRLCheck:
1179 0 : opt.no_trusted_cert_crl_check = 1;
1180 0 : break;
1181 : case oEnableTrustedCertCRLCheck:
1182 0 : opt.no_trusted_cert_crl_check = 0;
1183 0 : break;
1184 : case oForceCRLRefresh:
1185 0 : opt.force_crl_refresh = 1;
1186 0 : break;
1187 :
1188 : case oDisableOCSP:
1189 0 : ctrl.use_ocsp = opt.enable_ocsp = 0;
1190 0 : break;
1191 : case oEnableOCSP:
1192 0 : ctrl.use_ocsp = opt.enable_ocsp = 1;
1193 0 : break;
1194 :
1195 : case oIncludeCerts:
1196 0 : ctrl.include_certs = default_include_certs = pargs.r.ret_int;
1197 0 : break;
1198 :
1199 : case oPolicyFile:
1200 0 : xfree (opt.policy_file);
1201 0 : if (*pargs.r.ret_str)
1202 0 : opt.policy_file = xstrdup (pargs.r.ret_str);
1203 : else
1204 0 : opt.policy_file = NULL;
1205 0 : break;
1206 :
1207 : case oDisablePolicyChecks:
1208 0 : opt.no_policy_check = 1;
1209 0 : break;
1210 : case oEnablePolicyChecks:
1211 0 : opt.no_policy_check = 0;
1212 0 : break;
1213 :
1214 : case oAutoIssuerKeyRetrieve:
1215 0 : opt.auto_issuer_key_retrieve = 1;
1216 0 : break;
1217 :
1218 0 : case oOutput: opt.outfile = pargs.r.ret_str; break;
1219 :
1220 :
1221 0 : case oQuiet: opt.quiet = 1; break;
1222 0 : case oNoTTY: /* fixme:tty_no_terminal(1);*/ break;
1223 0 : case oDryRun: opt.dry_run = 1; break;
1224 :
1225 : case oVerbose:
1226 0 : opt.verbose++;
1227 0 : gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
1228 0 : break;
1229 : case oNoVerbose:
1230 0 : opt.verbose = 0;
1231 0 : gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
1232 0 : break;
1233 :
1234 0 : case oLogFile: logfile = pargs.r.ret_str; break;
1235 0 : case oNoLogFile: logfile = NULL; break;
1236 :
1237 0 : case oAuditLog: auditlog = pargs.r.ret_str; break;
1238 0 : case oHtmlAuditLog: htmlauditlog = pargs.r.ret_str; break;
1239 :
1240 : case oBatch:
1241 0 : opt.batch = 1;
1242 0 : greeting = 0;
1243 0 : break;
1244 0 : case oNoBatch: opt.batch = 0; break;
1245 :
1246 0 : case oAnswerYes: opt.answer_yes = 1; break;
1247 0 : case oAnswerNo: opt.answer_no = 1; break;
1248 :
1249 0 : case oKeyring: append_to_strlist (&nrings, pargs.r.ret_str); break;
1250 :
1251 : case oDebug:
1252 0 : if (parse_debug_flag (pargs.r.ret_str, &debug_value, debug_flags))
1253 : {
1254 0 : pargs.r_opt = ARGPARSE_INVALID_ARG;
1255 0 : pargs.err = ARGPARSE_PRINT_ERROR;
1256 : }
1257 0 : break;
1258 0 : case oDebugAll: debug_value = ~0; break;
1259 0 : case oDebugNone: debug_value = 0; break;
1260 0 : case oDebugLevel: debug_level = pargs.r.ret_str; break;
1261 0 : case oDebugWait: debug_wait = pargs.r.ret_int; break;
1262 : case oDebugAllowCoreDump:
1263 0 : may_coredump = enable_core_dumps ();
1264 0 : break;
1265 0 : case oDebugNoChainValidation: opt.no_chain_validation = 1; break;
1266 0 : case oDebugIgnoreExpiration: opt.ignore_expiration = 1; break;
1267 0 : case oFixedPassphrase: opt.fixed_passphrase = pargs.r.ret_str; break;
1268 :
1269 0 : case oStatusFD: ctrl.status_fd = pargs.r.ret_int; break;
1270 0 : case oLoggerFD: log_set_fd (pargs.r.ret_int ); break;
1271 : case oWithMD5Fingerprint:
1272 0 : opt.with_md5_fingerprint=1; /*fall thru*/
1273 : case oWithFingerprint:
1274 0 : with_fpr=1; /*fall thru*/
1275 : case aFingerprint:
1276 0 : opt.fingerprint++;
1277 0 : break;
1278 :
1279 : case oWithKeygrip:
1280 0 : opt.with_keygrip = 1;
1281 0 : break;
1282 :
1283 : case oOptions:
1284 : /* config files may not be nested (silently ignore them) */
1285 0 : if (!configfp)
1286 : {
1287 0 : xfree(configname);
1288 0 : configname = xstrdup (pargs.r.ret_str);
1289 0 : goto next_pass;
1290 : }
1291 0 : break;
1292 0 : case oNoOptions: opt.no_homedir_creation = 1; break; /* no-options */
1293 0 : case oHomedir: opt.homedir = pargs.r.ret_str; break;
1294 3 : case oAgentProgram: opt.agent_program = pargs.r.ret_str; break;
1295 :
1296 : case oDisplay:
1297 0 : set_opt_session_env ("DISPLAY", pargs.r.ret_str);
1298 0 : break;
1299 : case oTTYname:
1300 0 : set_opt_session_env ("GPG_TTY", pargs.r.ret_str);
1301 0 : break;
1302 : case oTTYtype:
1303 0 : set_opt_session_env ("TERM", pargs.r.ret_str);
1304 0 : break;
1305 : case oXauthority:
1306 0 : set_opt_session_env ("XAUTHORITY", pargs.r.ret_str);
1307 0 : break;
1308 :
1309 0 : case oLCctype: opt.lc_ctype = xstrdup (pargs.r.ret_str); break;
1310 0 : case oLCmessages: opt.lc_messages = xstrdup (pargs.r.ret_str); break;
1311 :
1312 0 : case oDirmngrProgram: opt.dirmngr_program = pargs.r.ret_str; break;
1313 0 : case oDisableDirmngr: opt.disable_dirmngr = 1; break;
1314 0 : case oPreferSystemDirmngr: /* Obsolete */; break;
1315 : case oProtectToolProgram:
1316 0 : opt.protect_tool_program = pargs.r.ret_str;
1317 0 : break;
1318 :
1319 : case oFakedSystemTime:
1320 : {
1321 3 : time_t faked_time = isotime2epoch (pargs.r.ret_str);
1322 3 : if (faked_time == (time_t)(-1))
1323 3 : faked_time = (time_t)strtoul (pargs.r.ret_str, NULL, 10);
1324 3 : gnupg_set_time (faked_time, 0);
1325 : }
1326 3 : break;
1327 :
1328 0 : case oNoDefKeyring: default_keyring = 0; break;
1329 0 : case oNoGreeting: nogreeting = 1; break;
1330 :
1331 : case oDefaultKey:
1332 0 : if (*pargs.r.ret_str)
1333 : {
1334 0 : xfree (opt.local_user);
1335 0 : opt.local_user = xstrdup (pargs.r.ret_str);
1336 : }
1337 0 : break;
1338 : case oDefRecipient:
1339 0 : if (*pargs.r.ret_str)
1340 0 : opt.def_recipient = xstrdup (pargs.r.ret_str);
1341 0 : break;
1342 : case oDefRecipientSelf:
1343 0 : xfree (opt.def_recipient);
1344 0 : opt.def_recipient = NULL;
1345 0 : opt.def_recipient_self = 1;
1346 0 : break;
1347 : case oNoDefRecipient:
1348 0 : xfree (opt.def_recipient);
1349 0 : opt.def_recipient = NULL;
1350 0 : opt.def_recipient_self = 0;
1351 0 : break;
1352 :
1353 0 : case oWithKeyData: opt.with_key_data=1; /* fall thru */
1354 0 : case oWithColons: ctrl.with_colons = 1; break;
1355 0 : case oWithSecret: ctrl.with_secret = 1; break;
1356 0 : case oWithValidation: ctrl.with_validation=1; break;
1357 0 : case oWithEphemeralKeys: ctrl.with_ephemeral_keys=1; break;
1358 :
1359 0 : case oSkipVerify: opt.skip_verify=1; break;
1360 :
1361 0 : case oNoEncryptTo: opt.no_encrypt_to = 1; break;
1362 : case oEncryptTo: /* Store the recipient in the second list */
1363 0 : sl = add_to_strlist (&remusr, pargs.r.ret_str);
1364 0 : sl->flags = 1;
1365 0 : break;
1366 :
1367 : case oRecipient: /* store the recipient */
1368 0 : add_to_strlist ( &remusr, pargs.r.ret_str);
1369 0 : break;
1370 :
1371 : case oUser: /* Store the local users, the first one is the default */
1372 0 : if (!opt.local_user)
1373 0 : opt.local_user = xstrdup (pargs.r.ret_str);
1374 0 : add_to_strlist (&locusr, pargs.r.ret_str);
1375 0 : break;
1376 :
1377 : case oNoSecmemWarn:
1378 3 : gcry_control (GCRYCTL_DISABLE_SECMEM_WARN);
1379 3 : break;
1380 :
1381 : case oCipherAlgo:
1382 0 : opt.def_cipher_algoid = pargs.r.ret_str;
1383 0 : break;
1384 :
1385 : case oDisableCipherAlgo:
1386 : {
1387 0 : int algo = gcry_cipher_map_name (pargs.r.ret_str);
1388 0 : gcry_cipher_ctl (NULL, GCRYCTL_DISABLE_ALGO, &algo, sizeof algo);
1389 : }
1390 0 : break;
1391 : case oDisablePubkeyAlgo:
1392 : {
1393 0 : int algo = gcry_pk_map_name (pargs.r.ret_str);
1394 0 : gcry_pk_ctl (GCRYCTL_DISABLE_ALGO,&algo, sizeof algo );
1395 : }
1396 0 : break;
1397 :
1398 : case oDigestAlgo:
1399 0 : forced_digest_algo = pargs.r.ret_str;
1400 0 : break;
1401 :
1402 : case oExtraDigestAlgo:
1403 0 : extra_digest_algo = pargs.r.ret_str;
1404 0 : break;
1405 :
1406 0 : case oIgnoreTimeConflict: opt.ignore_time_conflict = 1; break;
1407 0 : case oNoRandomSeedFile: use_random_seed = 0; break;
1408 0 : case oNoCommonCertsImport: no_common_certs_import = 1; break;
1409 :
1410 0 : case oEnableSpecialFilenames: allow_special_filenames =1; break;
1411 :
1412 0 : case oValidationModel: parse_validation_model (pargs.r.ret_str); break;
1413 :
1414 : case oKeyServer:
1415 : {
1416 : struct keyserver_spec *keyserver;
1417 0 : keyserver = parse_keyserver_line (pargs.r.ret_str,
1418 : configname, configlineno);
1419 0 : if (! keyserver)
1420 0 : log_error (_("could not parse keyserver\n"));
1421 : else
1422 : {
1423 : /* FIXME: Keep last next pointer. */
1424 0 : struct keyserver_spec **next_p = &opt.keyserver;
1425 0 : while (*next_p)
1426 0 : next_p = &(*next_p)->next;
1427 0 : *next_p = keyserver;
1428 : }
1429 : }
1430 0 : break;
1431 :
1432 : case oIgnoreCertExtension:
1433 0 : add_to_strlist (&opt.ignored_cert_extensions, pargs.r.ret_str);
1434 0 : break;
1435 :
1436 0 : case oNoAutostart: opt.autostart = 0; break;
1437 :
1438 : default:
1439 0 : pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
1440 0 : break;
1441 : }
1442 : }
1443 :
1444 6 : if (configfp)
1445 : {
1446 3 : fclose (configfp);
1447 3 : configfp = NULL;
1448 : /* Keep a copy of the config filename. */
1449 3 : opt.config_filename = configname;
1450 3 : configname = NULL;
1451 3 : goto next_pass;
1452 : }
1453 3 : xfree (configname);
1454 3 : configname = NULL;
1455 :
1456 3 : if (!opt.config_filename)
1457 0 : opt.config_filename = make_filename (opt.homedir,
1458 : GPGSM_NAME EXTSEP_S "conf",
1459 : NULL);
1460 :
1461 3 : if (log_get_errorcount(0))
1462 0 : gpgsm_exit(2);
1463 :
1464 : /* Now that we have the options parsed we need to update the default
1465 : control structure. */
1466 3 : gpgsm_init_default_ctrl (&ctrl);
1467 :
1468 3 : if (nogreeting)
1469 0 : greeting = 0;
1470 :
1471 3 : if (greeting)
1472 : {
1473 0 : es_fprintf (es_stderr, "%s %s; %s\n",
1474 : strusage(11), strusage(13), strusage(14) );
1475 0 : es_fprintf (es_stderr, "%s\n", strusage(15) );
1476 : }
1477 : # ifdef IS_DEVELOPMENT_VERSION
1478 : if (!opt.batch)
1479 : {
1480 : log_info ("NOTE: THIS IS A DEVELOPMENT VERSION!\n");
1481 : log_info ("It is only intended for test purposes and should NOT be\n");
1482 : log_info ("used in a production environment or with production keys!\n");
1483 : }
1484 : # endif
1485 :
1486 3 : if (may_coredump && !opt.quiet)
1487 0 : log_info (_("WARNING: program may create a core file!\n"));
1488 :
1489 : /* if (opt.qualsig_approval && !opt.quiet) */
1490 : /* log_info (_("This software has offically been approved to " */
1491 : /* "create and verify\n" */
1492 : /* "qualified signatures according to German law.\n")); */
1493 :
1494 3 : if (logfile && cmd == aServer)
1495 : {
1496 0 : log_set_file (logfile);
1497 0 : log_set_prefix (NULL, 1|2|4);
1498 : }
1499 :
1500 3 : if (gnupg_faked_time_p ())
1501 : {
1502 : gnupg_isotime_t tbuf;
1503 :
1504 3 : log_info (_("WARNING: running with faked system time: "));
1505 3 : gnupg_get_isotime (tbuf);
1506 3 : dump_isotime (tbuf);
1507 3 : log_printf ("\n");
1508 : }
1509 :
1510 : /* Print a warning if an argument looks like an option. */
1511 3 : if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
1512 : {
1513 : int i;
1514 :
1515 6 : for (i=0; i < argc; i++)
1516 3 : if (argv[i][0] == '-' && argv[i][1] == '-')
1517 0 : log_info (_("Note: '%s' is not considered an option\n"), argv[i]);
1518 : }
1519 :
1520 : /*FIXME if (opt.batch) */
1521 : /* tty_batchmode (1); */
1522 :
1523 3 : gcry_control (GCRYCTL_RESUME_SECMEM_WARN);
1524 :
1525 3 : set_debug ();
1526 :
1527 : /* Although we alwasy use gpgsm_exit, we better install a regualr
1528 : exit handler so that at least the secure memory gets wiped
1529 : out. */
1530 3 : if (atexit (emergency_cleanup))
1531 : {
1532 0 : log_error ("atexit failed\n");
1533 0 : gpgsm_exit (2);
1534 : }
1535 :
1536 : /* Must do this after dropping setuid, because the mapping functions
1537 : may try to load an module and we may have disabled an algorithm.
1538 : We remap the commonly used algorithms to the OIDs for
1539 : convenience. We need to work with the OIDs because they are used
1540 : to check whether the encryption mode is actually available. */
1541 3 : if (!strcmp (opt.def_cipher_algoid, "3DES") )
1542 0 : opt.def_cipher_algoid = "1.2.840.113549.3.7";
1543 3 : else if (!strcmp (opt.def_cipher_algoid, "AES")
1544 0 : || !strcmp (opt.def_cipher_algoid, "AES128"))
1545 3 : opt.def_cipher_algoid = "2.16.840.1.101.3.4.1.2";
1546 0 : else if (!strcmp (opt.def_cipher_algoid, "AES256") )
1547 0 : opt.def_cipher_algoid = "2.16.840.1.101.3.4.1.42";
1548 0 : else if (!strcmp (opt.def_cipher_algoid, "SERPENT")
1549 0 : || !strcmp (opt.def_cipher_algoid, "SERPENT128") )
1550 0 : opt.def_cipher_algoid = "1.3.6.1.4.1.11591.13.2.2";
1551 0 : else if (!strcmp (opt.def_cipher_algoid, "SERPENT192") )
1552 0 : opt.def_cipher_algoid = "1.3.6.1.4.1.11591.13.2.22";
1553 0 : else if (!strcmp (opt.def_cipher_algoid, "SERPENT192") )
1554 0 : opt.def_cipher_algoid = "1.3.6.1.4.1.11591.13.2.42";
1555 0 : else if (!strcmp (opt.def_cipher_algoid, "SEED") )
1556 0 : opt.def_cipher_algoid = "1.2.410.200004.1.4";
1557 0 : else if (!strcmp (opt.def_cipher_algoid, "CAMELLIA")
1558 0 : || !strcmp (opt.def_cipher_algoid, "CAMELLIA128") )
1559 0 : opt.def_cipher_algoid = "1.2.392.200011.61.1.1.1.2";
1560 0 : else if (!strcmp (opt.def_cipher_algoid, "CAMELLIA192") )
1561 0 : opt.def_cipher_algoid = "1.2.392.200011.61.1.1.1.3";
1562 0 : else if (!strcmp (opt.def_cipher_algoid, "CAMELLIA256") )
1563 0 : opt.def_cipher_algoid = "1.2.392.200011.61.1.1.1.4";
1564 :
1565 3 : if (cmd != aGPGConfList)
1566 : {
1567 3 : if ( !gcry_cipher_map_name (opt.def_cipher_algoid)
1568 3 : || !gcry_cipher_mode_from_oid (opt.def_cipher_algoid))
1569 0 : log_error (_("selected cipher algorithm is invalid\n"));
1570 :
1571 3 : if (forced_digest_algo)
1572 : {
1573 0 : opt.forced_digest_algo = gcry_md_map_name (forced_digest_algo);
1574 0 : if (our_md_test_algo(opt.forced_digest_algo) )
1575 0 : log_error (_("selected digest algorithm is invalid\n"));
1576 : }
1577 3 : if (extra_digest_algo)
1578 : {
1579 0 : opt.extra_digest_algo = gcry_md_map_name (extra_digest_algo);
1580 0 : if (our_md_test_algo (opt.extra_digest_algo) )
1581 0 : log_error (_("selected digest algorithm is invalid\n"));
1582 : }
1583 : }
1584 :
1585 3 : if (log_get_errorcount(0))
1586 0 : gpgsm_exit(2);
1587 :
1588 : /* Set the random seed file. */
1589 3 : if (use_random_seed)
1590 : {
1591 3 : char *p = make_filename (opt.homedir, "random_seed", NULL);
1592 3 : gcry_control (GCRYCTL_SET_RANDOM_SEED_FILE, p);
1593 3 : xfree(p);
1594 : }
1595 :
1596 3 : if (!cmd && opt.fingerprint && !with_fpr)
1597 0 : set_cmd (&cmd, aListKeys);
1598 :
1599 : /* Add default keybox. */
1600 3 : if (!nrings && default_keyring)
1601 : {
1602 : int created;
1603 :
1604 3 : keydb_add_resource ("pubring.kbx", 0, 0, &created);
1605 3 : if (created && !no_common_certs_import)
1606 : {
1607 : /* Import the standard certificates for a new default keybox. */
1608 : char *filelist[2];
1609 :
1610 1 : filelist[0] = make_filename (gnupg_datadir (),"com-certs.pem", NULL);
1611 1 : filelist[1] = NULL;
1612 1 : if (!access (filelist[0], F_OK))
1613 : {
1614 0 : log_info (_("importing common certificates '%s'\n"),
1615 : filelist[0]);
1616 0 : gpgsm_import_files (&ctrl, 1, filelist, open_read);
1617 : }
1618 1 : xfree (filelist[0]);
1619 : }
1620 : }
1621 3 : for (sl = nrings; sl; sl = sl->next)
1622 0 : keydb_add_resource (sl->d, 0, 0, NULL);
1623 3 : FREE_STRLIST(nrings);
1624 :
1625 :
1626 : /* Prepare the audit log feature for certain commands. */
1627 3 : if (auditlog || htmlauditlog)
1628 : {
1629 0 : switch (cmd)
1630 : {
1631 : case aEncr:
1632 : case aSign:
1633 : case aDecrypt:
1634 : case aVerify:
1635 0 : audit_release (ctrl.audit);
1636 0 : ctrl.audit = audit_new ();
1637 0 : if (auditlog)
1638 0 : auditfp = open_es_fwrite (auditlog);
1639 0 : if (htmlauditlog)
1640 0 : htmlauditfp = open_es_fwrite (htmlauditlog);
1641 0 : break;
1642 : default:
1643 0 : break;
1644 : }
1645 : }
1646 :
1647 :
1648 3 : if (!do_not_setup_keys)
1649 : {
1650 0 : for (sl = locusr; sl ; sl = sl->next)
1651 : {
1652 0 : int rc = gpgsm_add_to_certlist (&ctrl, sl->d, 1, &signerlist, 0);
1653 0 : if (rc)
1654 : {
1655 0 : log_error (_("can't sign using '%s': %s\n"),
1656 0 : sl->d, gpg_strerror (rc));
1657 0 : gpgsm_status2 (&ctrl, STATUS_INV_SGNR,
1658 0 : get_inv_recpsgnr_code (rc), sl->d, NULL);
1659 0 : gpgsm_status2 (&ctrl, STATUS_INV_RECP,
1660 0 : get_inv_recpsgnr_code (rc), sl->d, NULL);
1661 : }
1662 : }
1663 :
1664 : /* Build the recipient list. We first add the regular ones and then
1665 : the encrypt-to ones because the underlying function will silently
1666 : ignore duplicates and we can't allow to keep a duplicate which is
1667 : flagged as encrypt-to as the actually encrypt function would then
1668 : complain about no (regular) recipients. */
1669 0 : for (sl = remusr; sl; sl = sl->next)
1670 0 : if (!(sl->flags & 1))
1671 0 : do_add_recipient (&ctrl, sl->d, &recplist, 0, recp_required);
1672 0 : if (!opt.no_encrypt_to)
1673 : {
1674 0 : for (sl = remusr; sl; sl = sl->next)
1675 0 : if ((sl->flags & 1))
1676 0 : do_add_recipient (&ctrl, sl->d, &recplist, 1, recp_required);
1677 : }
1678 : }
1679 :
1680 3 : if (log_get_errorcount(0))
1681 0 : gpgsm_exit(1); /* Must stop for invalid recipients. */
1682 :
1683 : /* Dispatch command. */
1684 3 : switch (cmd)
1685 : {
1686 : case aGPGConfList:
1687 : { /* List options and default values in the GPG Conf format. */
1688 0 : char *config_filename_esc = percent_escape (opt.config_filename, NULL);
1689 :
1690 0 : es_printf ("%s-%s.conf:%lu:\"%s\n",
1691 : GPGCONF_NAME, GPGSM_NAME,
1692 : GC_OPT_FLAG_DEFAULT, config_filename_esc);
1693 0 : xfree (config_filename_esc);
1694 :
1695 0 : es_printf ("verbose:%lu:\n", GC_OPT_FLAG_NONE);
1696 0 : es_printf ("quiet:%lu:\n", GC_OPT_FLAG_NONE);
1697 0 : es_printf ("debug-level:%lu:\"none:\n", GC_OPT_FLAG_DEFAULT);
1698 0 : es_printf ("log-file:%lu:\n", GC_OPT_FLAG_NONE);
1699 0 : es_printf ("disable-crl-checks:%lu:\n", GC_OPT_FLAG_NONE);
1700 0 : es_printf ("disable-trusted-cert-crl-check:%lu:\n", GC_OPT_FLAG_NONE);
1701 0 : es_printf ("enable-ocsp:%lu:\n", GC_OPT_FLAG_NONE);
1702 0 : es_printf ("include-certs:%lu:%d:\n", GC_OPT_FLAG_DEFAULT,
1703 : DEFAULT_INCLUDE_CERTS);
1704 0 : es_printf ("disable-policy-checks:%lu:\n", GC_OPT_FLAG_NONE);
1705 0 : es_printf ("auto-issuer-key-retrieve:%lu:\n", GC_OPT_FLAG_NONE);
1706 0 : es_printf ("disable-dirmngr:%lu:\n", GC_OPT_FLAG_NONE);
1707 0 : es_printf ("cipher-algo:%lu:\"%s:\n", GC_OPT_FLAG_DEFAULT,
1708 : DEFAULT_CIPHER_ALGO);
1709 0 : es_printf ("p12-charset:%lu:\n", GC_OPT_FLAG_DEFAULT);
1710 0 : es_printf ("default-key:%lu:\n", GC_OPT_FLAG_DEFAULT);
1711 0 : es_printf ("encrypt-to:%lu:\n", GC_OPT_FLAG_DEFAULT);
1712 0 : es_printf ("keyserver:%lu:\n", GC_OPT_FLAG_NONE);
1713 :
1714 : /* The next one is an info only item and should match what
1715 : proc_parameters actually implements. */
1716 0 : es_printf ("default_pubkey_algo:%lu:\"%s:\n", GC_OPT_FLAG_DEFAULT,
1717 : "RSA-2048");
1718 :
1719 : }
1720 0 : break;
1721 : case aGPGConfTest:
1722 : /* This is merely a dummy command to test whether the
1723 : configuration file is valid. */
1724 0 : break;
1725 :
1726 : case aServer:
1727 0 : if (debug_wait)
1728 : {
1729 0 : log_debug ("waiting for debugger - my pid is %u .....\n",
1730 0 : (unsigned int)getpid());
1731 0 : gnupg_sleep (debug_wait);
1732 0 : log_debug ("... okay\n");
1733 : }
1734 0 : gpgsm_server (recplist);
1735 0 : break;
1736 :
1737 : case aCallDirmngr:
1738 0 : if (!argc)
1739 0 : wrong_args ("--call-dirmngr <command> {args}");
1740 : else
1741 0 : if (gpgsm_dirmngr_run_command (&ctrl, *argv, argc-1, argv+1))
1742 0 : gpgsm_exit (1);
1743 0 : break;
1744 :
1745 : case aCallProtectTool:
1746 0 : run_protect_tool (argc, argv);
1747 0 : break;
1748 :
1749 : case aEncr: /* Encrypt the given file. */
1750 : {
1751 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1752 :
1753 0 : set_binary (stdin);
1754 :
1755 0 : if (!argc) /* Source is stdin. */
1756 0 : gpgsm_encrypt (&ctrl, recplist, 0, fp);
1757 0 : else if (argc == 1) /* Source is the given file. */
1758 0 : gpgsm_encrypt (&ctrl, recplist, open_read (*argv), fp);
1759 : else
1760 0 : wrong_args ("--encrypt [datafile]");
1761 :
1762 0 : es_fclose (fp);
1763 : }
1764 0 : break;
1765 :
1766 : case aSign: /* Sign the given file. */
1767 : {
1768 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1769 :
1770 : /* Fixme: We should also allow to concatenate multiple files for
1771 : signing because that is what gpg does.*/
1772 0 : set_binary (stdin);
1773 0 : if (!argc) /* Create from stdin. */
1774 0 : gpgsm_sign (&ctrl, signerlist, 0, detached_sig, fp);
1775 0 : else if (argc == 1) /* From file. */
1776 0 : gpgsm_sign (&ctrl, signerlist,
1777 : open_read (*argv), detached_sig, fp);
1778 : else
1779 0 : wrong_args ("--sign [datafile]");
1780 :
1781 0 : es_fclose (fp);
1782 : }
1783 0 : break;
1784 :
1785 : case aSignEncr: /* sign and encrypt the given file */
1786 0 : log_error ("this command has not yet been implemented\n");
1787 0 : break;
1788 :
1789 : case aClearsign: /* make a clearsig */
1790 0 : log_error ("this command has not yet been implemented\n");
1791 0 : break;
1792 :
1793 : case aVerify:
1794 : {
1795 0 : estream_t fp = NULL;
1796 :
1797 0 : set_binary (stdin);
1798 0 : if (argc == 2 && opt.outfile)
1799 0 : log_info ("option --output ignored for a detached signature\n");
1800 0 : else if (opt.outfile)
1801 0 : fp = open_es_fwrite (opt.outfile);
1802 :
1803 0 : if (!argc)
1804 0 : gpgsm_verify (&ctrl, 0, -1, fp); /* normal signature from stdin */
1805 0 : else if (argc == 1)
1806 0 : gpgsm_verify (&ctrl, open_read (*argv), -1, fp); /* std signature */
1807 0 : else if (argc == 2) /* detached signature (sig, detached) */
1808 0 : gpgsm_verify (&ctrl, open_read (*argv), open_read (argv[1]), NULL);
1809 : else
1810 0 : wrong_args ("--verify [signature [detached_data]]");
1811 :
1812 0 : es_fclose (fp);
1813 : }
1814 0 : break;
1815 :
1816 : case aDecrypt:
1817 : {
1818 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1819 :
1820 0 : set_binary (stdin);
1821 0 : if (!argc)
1822 0 : gpgsm_decrypt (&ctrl, 0, fp); /* from stdin */
1823 0 : else if (argc == 1)
1824 0 : gpgsm_decrypt (&ctrl, open_read (*argv), fp); /* from file */
1825 : else
1826 0 : wrong_args ("--decrypt [filename]");
1827 :
1828 0 : es_fclose (fp);
1829 : }
1830 0 : break;
1831 :
1832 : case aDeleteKey:
1833 0 : for (sl=NULL; argc; argc--, argv++)
1834 0 : add_to_strlist (&sl, *argv);
1835 0 : gpgsm_delete (&ctrl, sl);
1836 0 : free_strlist(sl);
1837 0 : break;
1838 :
1839 : case aListChain:
1840 : case aDumpChain:
1841 0 : ctrl.with_chain = 1;
1842 : case aListKeys:
1843 : case aDumpKeys:
1844 : case aListExternalKeys:
1845 : case aDumpExternalKeys:
1846 : case aListSecretKeys:
1847 : case aDumpSecretKeys:
1848 : {
1849 : unsigned int mode;
1850 : estream_t fp;
1851 :
1852 0 : switch (cmd)
1853 : {
1854 : case aListChain:
1855 0 : case aListKeys: mode = (0 | 0 | (1<<6)); break;
1856 : case aDumpChain:
1857 0 : case aDumpKeys: mode = (256 | 0 | (1<<6)); break;
1858 0 : case aListExternalKeys: mode = (0 | 0 | (1<<7)); break;
1859 0 : case aDumpExternalKeys: mode = (256 | 0 | (1<<7)); break;
1860 0 : case aListSecretKeys: mode = (0 | 2 | (1<<6)); break;
1861 0 : case aDumpSecretKeys: mode = (256 | 2 | (1<<6)); break;
1862 0 : default: BUG();
1863 : }
1864 :
1865 0 : fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1866 0 : for (sl=NULL; argc; argc--, argv++)
1867 0 : add_to_strlist (&sl, *argv);
1868 0 : gpgsm_list_keys (&ctrl, sl, fp, mode);
1869 0 : free_strlist(sl);
1870 0 : es_fclose (fp);
1871 : }
1872 0 : break;
1873 :
1874 :
1875 : case aKeygen: /* Generate a key; well kind of. */
1876 : {
1877 0 : estream_t fpin = NULL;
1878 : estream_t fpout;
1879 :
1880 0 : if (opt.batch)
1881 : {
1882 0 : if (!argc) /* Create from stdin. */
1883 0 : fpin = open_es_fread ("-", "r");
1884 0 : else if (argc == 1) /* From file. */
1885 0 : fpin = open_es_fread (*argv, "r");
1886 : else
1887 0 : wrong_args ("--gen-key --batch [parmfile]");
1888 : }
1889 :
1890 0 : fpout = open_es_fwrite (opt.outfile?opt.outfile:"-");
1891 :
1892 0 : if (fpin)
1893 0 : gpgsm_genkey (&ctrl, fpin, fpout);
1894 : else
1895 0 : gpgsm_gencertreq_tty (&ctrl, fpout);
1896 :
1897 0 : es_fclose (fpout);
1898 : }
1899 0 : break;
1900 :
1901 :
1902 : case aImport:
1903 3 : gpgsm_import_files (&ctrl, argc, argv, open_read);
1904 3 : break;
1905 :
1906 : case aExport:
1907 : {
1908 : estream_t fp;
1909 :
1910 0 : fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1911 0 : for (sl=NULL; argc; argc--, argv++)
1912 0 : add_to_strlist (&sl, *argv);
1913 0 : gpgsm_export (&ctrl, sl, fp);
1914 0 : free_strlist(sl);
1915 0 : es_fclose (fp);
1916 : }
1917 0 : break;
1918 :
1919 : case aExportSecretKeyP12:
1920 : {
1921 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1922 :
1923 0 : if (argc == 1)
1924 0 : gpgsm_p12_export (&ctrl, *argv, fp, 0);
1925 : else
1926 0 : wrong_args ("--export-secret-key-p12 KEY-ID");
1927 0 : if (fp != es_stdout)
1928 0 : es_fclose (fp);
1929 : }
1930 0 : break;
1931 :
1932 : case aExportSecretKeyP8:
1933 : {
1934 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1935 :
1936 0 : if (argc == 1)
1937 0 : gpgsm_p12_export (&ctrl, *argv, fp, 1);
1938 : else
1939 0 : wrong_args ("--export-secret-key-p8 KEY-ID");
1940 0 : if (fp != es_stdout)
1941 0 : es_fclose (fp);
1942 : }
1943 0 : break;
1944 :
1945 : case aExportSecretKeyRaw:
1946 : {
1947 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1948 :
1949 0 : if (argc == 1)
1950 0 : gpgsm_p12_export (&ctrl, *argv, fp, 2);
1951 : else
1952 0 : wrong_args ("--export-secret-key-raw KEY-ID");
1953 0 : if (fp != es_stdout)
1954 0 : es_fclose (fp);
1955 : }
1956 0 : break;
1957 :
1958 : case aSendKeys:
1959 : case aRecvKeys:
1960 0 : log_error ("this command has not yet been implemented\n");
1961 0 : break;
1962 :
1963 :
1964 : case aLearnCard:
1965 0 : if (argc)
1966 0 : wrong_args ("--learn-card");
1967 : else
1968 : {
1969 0 : int rc = gpgsm_agent_learn (&ctrl);
1970 0 : if (rc)
1971 0 : log_error ("error learning card: %s\n", gpg_strerror (rc));
1972 : }
1973 0 : break;
1974 :
1975 : case aPasswd:
1976 0 : if (argc != 1)
1977 0 : wrong_args ("--passwd <key-Id>");
1978 : else
1979 : {
1980 : int rc;
1981 0 : ksba_cert_t cert = NULL;
1982 0 : char *grip = NULL;
1983 :
1984 0 : rc = gpgsm_find_cert (*argv, NULL, &cert);
1985 0 : if (rc)
1986 : ;
1987 0 : else if (!(grip = gpgsm_get_keygrip_hexstring (cert)))
1988 0 : rc = gpg_error (GPG_ERR_BUG);
1989 : else
1990 : {
1991 0 : char *desc = gpgsm_format_keydesc (cert);
1992 0 : rc = gpgsm_agent_passwd (&ctrl, grip, desc);
1993 0 : xfree (desc);
1994 : }
1995 0 : if (rc)
1996 0 : log_error ("error changing passphrase: %s\n", gpg_strerror (rc));
1997 0 : xfree (grip);
1998 0 : ksba_cert_release (cert);
1999 : }
2000 0 : break;
2001 :
2002 : case aKeydbClearSomeCertFlags:
2003 0 : for (sl=NULL; argc; argc--, argv++)
2004 0 : add_to_strlist (&sl, *argv);
2005 0 : keydb_clear_some_cert_flags (&ctrl, sl);
2006 0 : free_strlist(sl);
2007 0 : break;
2008 :
2009 :
2010 : default:
2011 0 : log_error (_("invalid command (there is no implicit command)\n"));
2012 0 : break;
2013 : }
2014 :
2015 : /* Print the audit result if needed. */
2016 3 : if ((auditlog && auditfp) || (htmlauditlog && htmlauditfp))
2017 : {
2018 0 : if (auditlog && auditfp)
2019 0 : audit_print_result (ctrl.audit, auditfp, 0);
2020 0 : if (htmlauditlog && htmlauditfp)
2021 0 : audit_print_result (ctrl.audit, htmlauditfp, 1);
2022 0 : audit_release (ctrl.audit);
2023 0 : ctrl.audit = NULL;
2024 0 : es_fclose (auditfp);
2025 0 : es_fclose (htmlauditfp);
2026 : }
2027 :
2028 : /* cleanup */
2029 3 : keyserver_list_free (opt.keyserver);
2030 3 : opt.keyserver = NULL;
2031 3 : gpgsm_release_certlist (recplist);
2032 3 : gpgsm_release_certlist (signerlist);
2033 3 : FREE_STRLIST (remusr);
2034 3 : FREE_STRLIST (locusr);
2035 3 : gpgsm_exit(0);
2036 0 : return 8; /*NOTREACHED*/
2037 : }
2038 :
2039 : /* Note: This function is used by signal handlers!. */
2040 : static void
2041 6 : emergency_cleanup (void)
2042 : {
2043 6 : gcry_control (GCRYCTL_TERM_SECMEM );
2044 6 : }
2045 :
2046 :
2047 : void
2048 3 : gpgsm_exit (int rc)
2049 : {
2050 3 : gcry_control (GCRYCTL_UPDATE_RANDOM_SEED_FILE);
2051 3 : if (opt.debug & DBG_MEMSTAT_VALUE)
2052 : {
2053 0 : gcry_control( GCRYCTL_DUMP_MEMORY_STATS );
2054 0 : gcry_control( GCRYCTL_DUMP_RANDOM_STATS );
2055 : }
2056 3 : if (opt.debug)
2057 0 : gcry_control (GCRYCTL_DUMP_SECMEM_STATS );
2058 3 : emergency_cleanup ();
2059 3 : rc = rc? rc : log_get_errorcount(0)? 2 : gpgsm_errors_seen? 1 : 0;
2060 3 : exit (rc);
2061 : }
2062 :
2063 :
2064 : void
2065 6 : gpgsm_init_default_ctrl (struct server_control_s *ctrl)
2066 : {
2067 6 : ctrl->include_certs = default_include_certs;
2068 6 : ctrl->use_ocsp = opt.enable_ocsp;
2069 6 : ctrl->validation_model = default_validation_model;
2070 6 : ctrl->offline = opt.disable_dirmngr;
2071 6 : }
2072 :
2073 :
2074 : int
2075 0 : gpgsm_parse_validation_model (const char *model)
2076 : {
2077 0 : if (!ascii_strcasecmp (model, "shell") )
2078 0 : return 0;
2079 0 : else if ( !ascii_strcasecmp (model, "chain") )
2080 0 : return 1;
2081 0 : else if ( !ascii_strcasecmp (model, "steed") )
2082 0 : return 2;
2083 : else
2084 0 : return -1;
2085 : }
2086 :
2087 :
2088 : /* Check whether the filename has the form "-&nnnn", where n is a
2089 : non-zero number. Returns this number or -1 if it is not the case. */
2090 : static int
2091 3 : check_special_filename (const char *fname, int for_write)
2092 : {
2093 3 : if (allow_special_filenames
2094 0 : && fname && *fname == '-' && fname[1] == '&' ) {
2095 : int i;
2096 :
2097 0 : fname += 2;
2098 0 : for (i=0; isdigit (fname[i]); i++ )
2099 : ;
2100 0 : if ( !fname[i] )
2101 0 : return translate_sys2libc_fd_int (atoi (fname), for_write);
2102 : }
2103 3 : return -1;
2104 : }
2105 :
2106 :
2107 :
2108 : /* Open the FILENAME for read and return the file descriptor. Stop
2109 : with an error message in case of problems. "-" denotes stdin and
2110 : if special filenames are allowed the given fd is opened instead. */
2111 : static int
2112 3 : open_read (const char *filename)
2113 : {
2114 : int fd;
2115 :
2116 3 : if (filename[0] == '-' && !filename[1])
2117 : {
2118 0 : set_binary (stdin);
2119 0 : return 0; /* stdin */
2120 : }
2121 3 : fd = check_special_filename (filename, 0);
2122 3 : if (fd != -1)
2123 0 : return fd;
2124 3 : fd = open (filename, O_RDONLY | O_BINARY);
2125 3 : if (fd == -1)
2126 : {
2127 0 : log_error (_("can't open '%s': %s\n"), filename, strerror (errno));
2128 0 : gpgsm_exit (2);
2129 : }
2130 3 : return fd;
2131 : }
2132 :
2133 : /* Same as open_read but return an estream_t. */
2134 : static estream_t
2135 0 : open_es_fread (const char *filename, const char *mode)
2136 : {
2137 : int fd;
2138 : estream_t fp;
2139 :
2140 0 : if (filename[0] == '-' && !filename[1])
2141 0 : fd = fileno (stdin);
2142 : else
2143 0 : fd = check_special_filename (filename, 0);
2144 0 : if (fd != -1)
2145 : {
2146 0 : fp = es_fdopen_nc (fd, mode);
2147 0 : if (!fp)
2148 : {
2149 0 : log_error ("es_fdopen(%d) failed: %s\n", fd, strerror (errno));
2150 0 : gpgsm_exit (2);
2151 : }
2152 0 : return fp;
2153 : }
2154 0 : fp = es_fopen (filename, mode);
2155 0 : if (!fp)
2156 : {
2157 0 : log_error (_("can't open '%s': %s\n"), filename, strerror (errno));
2158 0 : gpgsm_exit (2);
2159 : }
2160 0 : return fp;
2161 : }
2162 :
2163 :
2164 : /* Open FILENAME for fwrite and return an extended stream. Stop with
2165 : an error message in case of problems. "-" denotes stdout and if
2166 : special filenames are allowed the given fd is opened instead.
2167 : Caller must close the returned stream. */
2168 : static estream_t
2169 0 : open_es_fwrite (const char *filename)
2170 : {
2171 : int fd;
2172 : estream_t fp;
2173 :
2174 0 : if (filename[0] == '-' && !filename[1])
2175 : {
2176 0 : fflush (stdout);
2177 0 : fp = es_fdopen_nc (fileno(stdout), "wb");
2178 0 : return fp;
2179 : }
2180 :
2181 0 : fd = check_special_filename (filename, 1);
2182 0 : if (fd != -1)
2183 : {
2184 0 : fp = es_fdopen_nc (fd, "wb");
2185 0 : if (!fp)
2186 : {
2187 0 : log_error ("es_fdopen(%d) failed: %s\n", fd, strerror (errno));
2188 0 : gpgsm_exit (2);
2189 : }
2190 0 : return fp;
2191 : }
2192 0 : fp = es_fopen (filename, "wb");
2193 0 : if (!fp)
2194 : {
2195 0 : log_error (_("can't open '%s': %s\n"), filename, strerror (errno));
2196 0 : gpgsm_exit (2);
2197 : }
2198 0 : return fp;
2199 : }
2200 :
2201 :
2202 : static void
2203 0 : run_protect_tool (int argc, char **argv)
2204 : {
2205 : #ifdef HAVE_W32_SYSTEM
2206 : (void)argc;
2207 : (void)argv;
2208 : #else
2209 : const char *pgm;
2210 : char **av;
2211 : int i;
2212 :
2213 0 : if (!opt.protect_tool_program || !*opt.protect_tool_program)
2214 0 : pgm = gnupg_module_name (GNUPG_MODULE_NAME_PROTECT_TOOL);
2215 : else
2216 0 : pgm = opt.protect_tool_program;
2217 :
2218 0 : av = xcalloc (argc+2, sizeof *av);
2219 0 : av[0] = strrchr (pgm, '/');
2220 0 : if (!av[0])
2221 0 : av[0] = xstrdup (pgm);
2222 0 : for (i=1; argc; i++, argc--, argv++)
2223 0 : av[i] = *argv;
2224 0 : av[i] = NULL;
2225 0 : execv (pgm, av);
2226 0 : log_error ("error executing '%s': %s\n", pgm, strerror (errno));
2227 : #endif /*!HAVE_W32_SYSTEM*/
2228 0 : gpgsm_exit (2);
2229 0 : }
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