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 "passphrase.h"
36 : #include "../common/shareddefs.h"
37 : #include "../kbx/keybox.h" /* malloc hooks */
38 : #include "i18n.h"
39 : #include "keydb.h"
40 : #include "sysutils.h"
41 : #include "gc-opt-flags.h"
42 : #include "asshelp.h"
43 : #include "../common/init.h"
44 :
45 :
46 : #ifndef O_BINARY
47 : #define O_BINARY 0
48 : #endif
49 :
50 : enum cmd_and_opt_values {
51 : aNull = 0,
52 : oArmor = 'a',
53 : aDetachedSign = 'b',
54 : aSym = 'c',
55 : aDecrypt = 'd',
56 : aEncr = 'e',
57 : aListKeys = 'k',
58 : aListSecretKeys = 'K',
59 : oDryRun = 'n',
60 : oOutput = 'o',
61 : oQuiet = 'q',
62 : oRecipient = 'r',
63 : aSign = 's',
64 : oUser = 'u',
65 : oVerbose = 'v',
66 : oBatch = 500,
67 : aClearsign,
68 : aKeygen,
69 : aSignEncr,
70 : aDeleteKey,
71 : aImport,
72 : aVerify,
73 : aListExternalKeys,
74 : aListChain,
75 : aSendKeys,
76 : aRecvKeys,
77 : aExport,
78 : aExportSecretKeyP12,
79 : aExportSecretKeyP8,
80 : aExportSecretKeyRaw,
81 : aServer,
82 : aLearnCard,
83 : aCallDirmngr,
84 : aCallProtectTool,
85 : aPasswd,
86 : aGPGConfList,
87 : aGPGConfTest,
88 : aDumpKeys,
89 : aDumpChain,
90 : aDumpSecretKeys,
91 : aDumpExternalKeys,
92 : aKeydbClearSomeCertFlags,
93 : aFingerprint,
94 :
95 : oOptions,
96 : oDebug,
97 : oDebugLevel,
98 : oDebugAll,
99 : oDebugNone,
100 : oDebugWait,
101 : oDebugAllowCoreDump,
102 : oDebugNoChainValidation,
103 : oDebugIgnoreExpiration,
104 : oLogFile,
105 : oNoLogFile,
106 : oAuditLog,
107 : oHtmlAuditLog,
108 :
109 : oEnableSpecialFilenames,
110 :
111 : oAgentProgram,
112 : oDisplay,
113 : oTTYname,
114 : oTTYtype,
115 : oLCctype,
116 : oLCmessages,
117 : oXauthority,
118 :
119 : oPreferSystemDirmngr,
120 : oDirmngrProgram,
121 : oDisableDirmngr,
122 : oProtectToolProgram,
123 : oFakedSystemTime,
124 :
125 : oPassphraseFD,
126 : oPinentryMode,
127 :
128 : oAssumeArmor,
129 : oAssumeBase64,
130 : oAssumeBinary,
131 :
132 : oBase64,
133 : oNoArmor,
134 : oP12Charset,
135 :
136 : oDisableCRLChecks,
137 : oEnableCRLChecks,
138 : oDisableTrustedCertCRLCheck,
139 : oEnableTrustedCertCRLCheck,
140 : oForceCRLRefresh,
141 :
142 : oDisableOCSP,
143 : oEnableOCSP,
144 :
145 : oIncludeCerts,
146 : oPolicyFile,
147 : oDisablePolicyChecks,
148 : oEnablePolicyChecks,
149 : oAutoIssuerKeyRetrieve,
150 :
151 : oWithFingerprint,
152 : oWithMD5Fingerprint,
153 : oWithKeygrip,
154 : oWithSecret,
155 : oAnswerYes,
156 : oAnswerNo,
157 : oKeyring,
158 : oDefaultKey,
159 : oDefRecipient,
160 : oDefRecipientSelf,
161 : oNoDefRecipient,
162 : oStatusFD,
163 : oCipherAlgo,
164 : oDigestAlgo,
165 : oExtraDigestAlgo,
166 : oNoVerbose,
167 : oNoSecmemWarn,
168 : oNoDefKeyring,
169 : oNoGreeting,
170 : oNoTTY,
171 : oNoOptions,
172 : oNoBatch,
173 : oHomedir,
174 : oWithColons,
175 : oWithKeyData,
176 : oWithValidation,
177 : oWithEphemeralKeys,
178 : oSkipVerify,
179 : oValidationModel,
180 : oKeyServer,
181 : oEncryptTo,
182 : oNoEncryptTo,
183 : oLoggerFD,
184 : oDisableCipherAlgo,
185 : oDisablePubkeyAlgo,
186 : oIgnoreTimeConflict,
187 : oNoRandomSeedFile,
188 : oNoCommonCertsImport,
189 : oIgnoreCertExtension,
190 : oNoAutostart
191 : };
192 :
193 :
194 : static ARGPARSE_OPTS opts[] = {
195 :
196 : ARGPARSE_group (300, N_("@Commands:\n ")),
197 :
198 : ARGPARSE_c (aSign, "sign", N_("make a signature")),
199 : /*ARGPARSE_c (aClearsign, "clearsign", N_("make a clear text signature") ),*/
200 : ARGPARSE_c (aDetachedSign, "detach-sign", N_("make a detached signature")),
201 : ARGPARSE_c (aEncr, "encrypt", N_("encrypt data")),
202 : /*ARGPARSE_c (aSym, "symmetric", N_("encryption only with symmetric cipher")),*/
203 : ARGPARSE_c (aDecrypt, "decrypt", N_("decrypt data (default)")),
204 : ARGPARSE_c (aVerify, "verify", N_("verify a signature")),
205 : ARGPARSE_c (aListKeys, "list-keys", N_("list keys")),
206 : ARGPARSE_c (aListExternalKeys, "list-external-keys",
207 : N_("list external keys")),
208 : ARGPARSE_c (aListSecretKeys, "list-secret-keys", N_("list secret keys")),
209 : ARGPARSE_c (aListChain, "list-chain", N_("list certificate chain")),
210 : ARGPARSE_c (aFingerprint, "fingerprint", N_("list keys and fingerprints")),
211 : ARGPARSE_c (aKeygen, "gen-key", N_("generate a new key pair")),
212 : ARGPARSE_c (aDeleteKey, "delete-keys",
213 : N_("remove keys from the public keyring")),
214 : /*ARGPARSE_c (aSendKeys, "send-keys", N_("export keys to a keyserver")),*/
215 : /*ARGPARSE_c (aRecvKeys, "recv-keys", N_("import keys from a keyserver")),*/
216 : ARGPARSE_c (aImport, "import", N_("import certificates")),
217 : ARGPARSE_c (aExport, "export", N_("export certificates")),
218 :
219 : /* We use -raw and not -p1 for pkcs#1 secret key export so that it
220 : won't accidentally be used in case -p12 was intended. */
221 : ARGPARSE_c (aExportSecretKeyP12, "export-secret-key-p12", "@"),
222 : ARGPARSE_c (aExportSecretKeyP8, "export-secret-key-p8", "@"),
223 : ARGPARSE_c (aExportSecretKeyRaw, "export-secret-key-raw", "@"),
224 :
225 : ARGPARSE_c (aLearnCard, "learn-card", N_("register a smartcard")),
226 : ARGPARSE_c (aServer, "server", N_("run in server mode")),
227 : ARGPARSE_c (aCallDirmngr, "call-dirmngr",
228 : N_("pass a command to the dirmngr")),
229 : ARGPARSE_c (aCallProtectTool, "call-protect-tool",
230 : N_("invoke gpg-protect-tool")),
231 : ARGPARSE_c (aPasswd, "passwd", N_("change a passphrase")),
232 : ARGPARSE_c (aGPGConfList, "gpgconf-list", "@"),
233 : ARGPARSE_c (aGPGConfTest, "gpgconf-test", "@"),
234 :
235 : ARGPARSE_c (aDumpKeys, "dump-cert", "@"),
236 : ARGPARSE_c (aDumpKeys, "dump-keys", "@"),
237 : ARGPARSE_c (aDumpChain, "dump-chain", "@"),
238 : ARGPARSE_c (aDumpExternalKeys, "dump-external-keys", "@"),
239 : ARGPARSE_c (aDumpSecretKeys, "dump-secret-keys", "@"),
240 : ARGPARSE_c (aKeydbClearSomeCertFlags, "keydb-clear-some-cert-flags", "@"),
241 :
242 : ARGPARSE_group (301, N_("@\nOptions:\n ")),
243 :
244 : ARGPARSE_s_n (oArmor, "armor", N_("create ascii armored output")),
245 : ARGPARSE_s_n (oArmor, "armour", "@"),
246 : ARGPARSE_s_n (oBase64, "base64", N_("create base-64 encoded output")),
247 :
248 : ARGPARSE_s_s (oP12Charset, "p12-charset", "@"),
249 :
250 : ARGPARSE_s_i (oPassphraseFD, "passphrase-fd", "@"),
251 : ARGPARSE_s_s (oPinentryMode, "pinentry-mode", "@"),
252 :
253 : ARGPARSE_s_n (oAssumeArmor, "assume-armor",
254 : N_("assume input is in PEM format")),
255 : ARGPARSE_s_n (oAssumeBase64, "assume-base64",
256 : N_("assume input is in base-64 format")),
257 : ARGPARSE_s_n (oAssumeBinary, "assume-binary",
258 : N_("assume input is in binary format")),
259 :
260 : ARGPARSE_s_s (oRecipient, "recipient", N_("|USER-ID|encrypt for USER-ID")),
261 :
262 : ARGPARSE_s_n (oPreferSystemDirmngr,"prefer-system-dirmngr", "@"),
263 :
264 : ARGPARSE_s_n (oDisableCRLChecks, "disable-crl-checks",
265 : N_("never consult a CRL")),
266 : ARGPARSE_s_n (oEnableCRLChecks, "enable-crl-checks", "@"),
267 : ARGPARSE_s_n (oDisableTrustedCertCRLCheck,
268 : "disable-trusted-cert-crl-check", "@"),
269 : ARGPARSE_s_n (oEnableTrustedCertCRLCheck,
270 : "enable-trusted-cert-crl-check", "@"),
271 :
272 : ARGPARSE_s_n (oForceCRLRefresh, "force-crl-refresh", "@"),
273 :
274 : ARGPARSE_s_n (oDisableOCSP, "disable-ocsp", "@"),
275 : ARGPARSE_s_n (oEnableOCSP, "enable-ocsp", N_("check validity using OCSP")),
276 :
277 : ARGPARSE_s_s (oValidationModel, "validation-model", "@"),
278 :
279 : ARGPARSE_s_i (oIncludeCerts, "include-certs",
280 : N_("|N|number of certificates to include") ),
281 :
282 : ARGPARSE_s_s (oPolicyFile, "policy-file",
283 : N_("|FILE|take policy information from FILE")),
284 :
285 : ARGPARSE_s_n (oDisablePolicyChecks, "disable-policy-checks",
286 : N_("do not check certificate policies")),
287 : ARGPARSE_s_n (oEnablePolicyChecks, "enable-policy-checks", "@"),
288 :
289 : ARGPARSE_s_n (oAutoIssuerKeyRetrieve, "auto-issuer-key-retrieve",
290 : N_("fetch missing issuer certificates")),
291 :
292 : ARGPARSE_s_s (oEncryptTo, "encrypt-to", "@"),
293 : ARGPARSE_s_n (oNoEncryptTo, "no-encrypt-to", "@"),
294 :
295 : ARGPARSE_s_s (oUser, "local-user",
296 : N_("|USER-ID|use USER-ID to sign or decrypt")),
297 :
298 : ARGPARSE_s_s (oOutput, "output", N_("|FILE|write output to FILE")),
299 : ARGPARSE_s_n (oVerbose, "verbose", N_("verbose")),
300 : ARGPARSE_s_n (oQuiet, "quiet", N_("be somewhat more quiet")),
301 : ARGPARSE_s_n (oNoTTY, "no-tty", N_("don't use the terminal at all")),
302 : ARGPARSE_s_s (oLogFile, "log-file",
303 : N_("|FILE|write a server mode log to FILE")),
304 : ARGPARSE_s_n (oNoLogFile, "no-log-file", "@"),
305 : ARGPARSE_s_i (oLoggerFD, "logger-fd", "@"),
306 :
307 : ARGPARSE_s_s (oAuditLog, "audit-log",
308 : N_("|FILE|write an audit log to FILE")),
309 : ARGPARSE_s_s (oHtmlAuditLog, "html-audit-log", "@"),
310 : ARGPARSE_s_n (oDryRun, "dry-run", N_("do not make any changes")),
311 : ARGPARSE_s_n (oBatch, "batch", N_("batch mode: never ask")),
312 : ARGPARSE_s_n (oAnswerYes, "yes", N_("assume yes on most questions")),
313 : ARGPARSE_s_n (oAnswerNo, "no", N_("assume no on most questions")),
314 :
315 : ARGPARSE_s_s (oKeyring, "keyring",
316 : N_("|FILE|add keyring to the list of keyrings")),
317 :
318 : ARGPARSE_s_s (oDefaultKey, "default-key",
319 : N_("|USER-ID|use USER-ID as default secret key")),
320 :
321 : /* Not yet used: */
322 : /* ARGPARSE_s_s (oDefRecipient, "default-recipient", */
323 : /* N_("|NAME|use NAME as default recipient")), */
324 : /* ARGPARSE_s_n (oDefRecipientSelf, "default-recipient-self", */
325 : /* N_("use the default key as default recipient")), */
326 : /* ARGPARSE_s_n (oNoDefRecipient, "no-default-recipient", "@"), */
327 :
328 : ARGPARSE_s_s (oKeyServer, "keyserver",
329 : N_("|SPEC|use this keyserver to lookup keys")),
330 : ARGPARSE_s_s (oOptions, "options", N_("|FILE|read options from FILE")),
331 :
332 : ARGPARSE_s_s (oDebug, "debug", "@"),
333 : ARGPARSE_s_s (oDebugLevel, "debug-level",
334 : N_("|LEVEL|set the debugging level to LEVEL")),
335 : ARGPARSE_s_n (oDebugAll, "debug-all", "@"),
336 : ARGPARSE_s_n (oDebugNone, "debug-none", "@"),
337 : ARGPARSE_s_i (oDebugWait, "debug-wait", "@"),
338 : ARGPARSE_s_n (oDebugAllowCoreDump, "debug-allow-core-dump", "@"),
339 : ARGPARSE_s_n (oDebugNoChainValidation, "debug-no-chain-validation", "@"),
340 : ARGPARSE_s_n (oDebugIgnoreExpiration, "debug-ignore-expiration", "@"),
341 :
342 : ARGPARSE_s_i (oStatusFD, "status-fd",
343 : N_("|FD|write status info to this FD")),
344 :
345 : ARGPARSE_s_s (oCipherAlgo, "cipher-algo",
346 : N_("|NAME|use cipher algorithm NAME")),
347 : ARGPARSE_s_s (oDigestAlgo, "digest-algo",
348 : N_("|NAME|use message digest algorithm NAME")),
349 : ARGPARSE_s_s (oExtraDigestAlgo, "extra-digest-algo", "@"),
350 :
351 :
352 : ARGPARSE_group (302, N_(
353 : "@\n(See the man page for a complete listing of all commands and options)\n"
354 : )),
355 :
356 : ARGPARSE_group (303, N_("@\nExamples:\n\n"
357 : " -se -r Bob [file] sign and encrypt for user Bob\n"
358 : " --clearsign [file] make a clear text signature\n"
359 : " --detach-sign [file] make a detached signature\n"
360 : " --list-keys [names] show keys\n"
361 : " --fingerprint [names] show fingerprints\n" )),
362 :
363 : /* Hidden options. */
364 : ARGPARSE_s_n (oNoVerbose, "no-verbose", "@"),
365 : ARGPARSE_s_n (oEnableSpecialFilenames, "enable-special-filenames", "@"),
366 : ARGPARSE_s_n (oNoSecmemWarn, "no-secmem-warning", "@"),
367 : ARGPARSE_s_n (oNoArmor, "no-armor", "@"),
368 : ARGPARSE_s_n (oNoArmor, "no-armour", "@"),
369 : ARGPARSE_s_n (oNoDefKeyring, "no-default-keyring", "@"),
370 : ARGPARSE_s_n (oNoGreeting, "no-greeting", "@"),
371 : ARGPARSE_s_n (oNoOptions, "no-options", "@"),
372 : ARGPARSE_s_s (oHomedir, "homedir", "@"),
373 : ARGPARSE_s_s (oAgentProgram, "agent-program", "@"),
374 : ARGPARSE_s_s (oDisplay, "display", "@"),
375 : ARGPARSE_s_s (oTTYname, "ttyname", "@"),
376 : ARGPARSE_s_s (oTTYtype, "ttytype", "@"),
377 : ARGPARSE_s_s (oLCctype, "lc-ctype", "@"),
378 : ARGPARSE_s_s (oLCmessages, "lc-messages", "@"),
379 : ARGPARSE_s_s (oXauthority, "xauthority", "@"),
380 : ARGPARSE_s_s (oDirmngrProgram, "dirmngr-program", "@"),
381 : ARGPARSE_s_n (oDisableDirmngr, "disable-dirmngr", "@"),
382 : ARGPARSE_s_s (oProtectToolProgram, "protect-tool-program", "@"),
383 : ARGPARSE_s_s (oFakedSystemTime, "faked-system-time", "@"),
384 : ARGPARSE_s_n (oNoBatch, "no-batch", "@"),
385 : ARGPARSE_s_n (oWithColons, "with-colons", "@"),
386 : ARGPARSE_s_n (oWithKeyData,"with-key-data", "@"),
387 : ARGPARSE_s_n (oWithValidation, "with-validation", "@"),
388 : ARGPARSE_s_n (oWithMD5Fingerprint, "with-md5-fingerprint", "@"),
389 : ARGPARSE_s_n (oWithEphemeralKeys, "with-ephemeral-keys", "@"),
390 : ARGPARSE_s_n (oSkipVerify, "skip-verify", "@"),
391 : ARGPARSE_s_n (oWithFingerprint, "with-fingerprint", "@"),
392 : ARGPARSE_s_n (oWithKeygrip, "with-keygrip", "@"),
393 : ARGPARSE_s_n (oWithSecret, "with-secret", "@"),
394 : ARGPARSE_s_s (oDisableCipherAlgo, "disable-cipher-algo", "@"),
395 : ARGPARSE_s_s (oDisablePubkeyAlgo, "disable-pubkey-algo", "@"),
396 : ARGPARSE_s_n (oIgnoreTimeConflict, "ignore-time-conflict", "@"),
397 : ARGPARSE_s_n (oNoRandomSeedFile, "no-random-seed-file", "@"),
398 : ARGPARSE_s_n (oNoCommonCertsImport, "no-common-certs-import", "@"),
399 : ARGPARSE_s_s (oIgnoreCertExtension, "ignore-cert-extension", "@"),
400 : ARGPARSE_s_n (oNoAutostart, "no-autostart", "@"),
401 :
402 : /* Command aliases. */
403 : ARGPARSE_c (aListKeys, "list-key", "@"),
404 : ARGPARSE_c (aListChain, "list-sig", "@"),
405 : ARGPARSE_c (aListChain, "list-sigs", "@"),
406 : ARGPARSE_c (aListChain, "check-sig", "@"),
407 : ARGPARSE_c (aListChain, "check-sigs", "@"),
408 : ARGPARSE_c (aDeleteKey, "delete-key", "@"),
409 :
410 : ARGPARSE_end ()
411 : };
412 :
413 :
414 : /* The list of supported debug flags. */
415 : static struct debug_flags_s debug_flags [] =
416 : {
417 : { DBG_X509_VALUE , "x509" },
418 : { DBG_MPI_VALUE , "mpi" },
419 : { DBG_CRYPTO_VALUE , "crypto" },
420 : { DBG_MEMORY_VALUE , "memory" },
421 : { DBG_CACHE_VALUE , "cache" },
422 : { DBG_MEMSTAT_VALUE, "memstat" },
423 : { DBG_HASHING_VALUE, "hashing" },
424 : { DBG_IPC_VALUE , "ipc" },
425 : { 0, NULL }
426 : };
427 :
428 :
429 : /* Global variable to keep an error count. */
430 : int gpgsm_errors_seen = 0;
431 :
432 : /* It is possible that we are currentlu running under setuid permissions */
433 : static int maybe_setuid = 1;
434 :
435 : /* Helper to implement --debug-level and --debug*/
436 : static const char *debug_level;
437 : static unsigned int debug_value;
438 :
439 : /* Option --enable-special-filenames */
440 : static int allow_special_filenames;
441 :
442 : /* Default value for include-certs. We need an extra macro for
443 : gpgconf-list because the variable will be changed by the command
444 : line option.
445 :
446 : It is often cumbersome to locate intermediate certificates, thus by
447 : default we include all certificates in the chain. However we leave
448 : out the root certificate because that would make it too easy for
449 : the recipient to import that root certificate. A root certificate
450 : should be installed only after due checks and thus it won't help to
451 : send it along with each message. */
452 : #define DEFAULT_INCLUDE_CERTS -2 /* Include all certs but root. */
453 : static int default_include_certs = DEFAULT_INCLUDE_CERTS;
454 :
455 : /* Whether the chain mode shall be used for validation. */
456 : static int default_validation_model;
457 :
458 : /* The default cipher algo. */
459 : #define DEFAULT_CIPHER_ALGO "AES"
460 :
461 :
462 : static char *build_list (const char *text,
463 : const char *(*mapf)(int), int (*chkf)(int));
464 : static void set_cmd (enum cmd_and_opt_values *ret_cmd,
465 : enum cmd_and_opt_values new_cmd );
466 :
467 : static void emergency_cleanup (void);
468 : static int check_special_filename (const char *fname, int for_write);
469 : static int open_read (const char *filename);
470 : static estream_t open_es_fread (const char *filename, const char *mode);
471 : static estream_t open_es_fwrite (const char *filename);
472 : static void run_protect_tool (int argc, char **argv);
473 :
474 : static int
475 0 : our_pk_test_algo (int algo)
476 : {
477 0 : switch (algo)
478 : {
479 : case GCRY_PK_RSA:
480 : case GCRY_PK_ECDSA:
481 0 : return gcry_pk_test_algo (algo);
482 : default:
483 0 : return 1;
484 : }
485 : }
486 :
487 : static int
488 0 : our_cipher_test_algo (int algo)
489 : {
490 0 : switch (algo)
491 : {
492 : case GCRY_CIPHER_3DES:
493 : case GCRY_CIPHER_AES128:
494 : case GCRY_CIPHER_AES192:
495 : case GCRY_CIPHER_AES256:
496 : case GCRY_CIPHER_SERPENT128:
497 : case GCRY_CIPHER_SERPENT192:
498 : case GCRY_CIPHER_SERPENT256:
499 : case GCRY_CIPHER_SEED:
500 : case GCRY_CIPHER_CAMELLIA128:
501 : case GCRY_CIPHER_CAMELLIA192:
502 : case GCRY_CIPHER_CAMELLIA256:
503 0 : return gcry_cipher_test_algo (algo);
504 : default:
505 0 : return 1;
506 : }
507 : }
508 :
509 :
510 : static int
511 0 : our_md_test_algo (int algo)
512 : {
513 0 : switch (algo)
514 : {
515 : case GCRY_MD_MD5:
516 : case GCRY_MD_SHA1:
517 : case GCRY_MD_RMD160:
518 : case GCRY_MD_SHA224:
519 : case GCRY_MD_SHA256:
520 : case GCRY_MD_SHA384:
521 : case GCRY_MD_SHA512:
522 : case GCRY_MD_WHIRLPOOL:
523 0 : return gcry_md_test_algo (algo);
524 : default:
525 0 : return 1;
526 : }
527 : }
528 :
529 :
530 : static char *
531 0 : make_libversion (const char *libname, const char *(*getfnc)(const char*))
532 : {
533 : const char *s;
534 : char *result;
535 :
536 0 : if (maybe_setuid)
537 : {
538 0 : gcry_control (GCRYCTL_INIT_SECMEM, 0, 0); /* Drop setuid. */
539 0 : maybe_setuid = 0;
540 : }
541 0 : s = getfnc (NULL);
542 0 : result = xmalloc (strlen (libname) + 1 + strlen (s) + 1);
543 0 : strcpy (stpcpy (stpcpy (result, libname), " "), s);
544 0 : return result;
545 : }
546 :
547 :
548 : static const char *
549 0 : my_strusage( int level )
550 : {
551 : static char *digests, *pubkeys, *ciphers;
552 : static char *ver_gcry, *ver_ksba;
553 : const char *p;
554 :
555 0 : switch (level)
556 : {
557 0 : case 11: p = "@GPGSM@ (@GNUPG@)";
558 0 : break;
559 0 : case 13: p = VERSION; break;
560 0 : case 17: p = PRINTABLE_OS_NAME; break;
561 0 : case 19: p = _("Please report bugs to <@EMAIL@>.\n"); break;
562 :
563 : case 1:
564 0 : case 40: p = _("Usage: @GPGSM@ [options] [files] (-h for help)");
565 0 : break;
566 : case 41:
567 0 : p = _("Syntax: @GPGSM@ [options] [files]\n"
568 : "Sign, check, encrypt or decrypt using the S/MIME protocol\n"
569 : "Default operation depends on the input data\n");
570 0 : break;
571 :
572 : case 20:
573 0 : if (!ver_gcry)
574 0 : ver_gcry = make_libversion ("libgcrypt", gcry_check_version);
575 0 : p = ver_gcry;
576 0 : break;
577 : case 21:
578 0 : if (!ver_ksba)
579 0 : ver_ksba = make_libversion ("libksba", ksba_check_version);
580 0 : p = ver_ksba;
581 0 : break;
582 :
583 0 : case 31: p = "\nHome: "; break;
584 0 : case 32: p = gnupg_homedir (); break;
585 0 : case 33: p = _("\nSupported algorithms:\n"); break;
586 : case 34:
587 0 : if (!ciphers)
588 0 : ciphers = build_list ("Cipher: ", gnupg_cipher_algo_name,
589 : our_cipher_test_algo );
590 0 : p = ciphers;
591 0 : break;
592 : case 35:
593 0 : if (!pubkeys)
594 0 : pubkeys = build_list ("Pubkey: ", gcry_pk_algo_name,
595 : our_pk_test_algo );
596 0 : p = pubkeys;
597 0 : break;
598 : case 36:
599 0 : if (!digests)
600 0 : digests = build_list("Hash: ", gcry_md_algo_name, our_md_test_algo );
601 0 : p = digests;
602 0 : break;
603 :
604 0 : default: p = NULL; break;
605 : }
606 0 : return p;
607 : }
608 :
609 :
610 : static char *
611 0 : build_list (const char *text, const char * (*mapf)(int), int (*chkf)(int))
612 : {
613 : int i;
614 0 : size_t n=strlen(text)+2;
615 : char *list, *p;
616 :
617 0 : if (maybe_setuid) {
618 0 : gcry_control (GCRYCTL_DROP_PRIVS); /* drop setuid */
619 : }
620 :
621 0 : for (i=1; i < 400; i++ )
622 0 : if (!chkf(i))
623 0 : n += strlen(mapf(i)) + 2;
624 0 : list = xmalloc (21 + n);
625 0 : *list = 0;
626 0 : for (p=NULL, i=1; i < 400; i++)
627 : {
628 0 : if (!chkf(i))
629 : {
630 0 : if( !p )
631 0 : p = stpcpy (list, text );
632 : else
633 0 : p = stpcpy (p, ", ");
634 0 : p = stpcpy (p, mapf(i) );
635 : }
636 : }
637 0 : if (p)
638 0 : strcpy (p, "\n" );
639 0 : return list;
640 : }
641 :
642 :
643 : /* Set the file pointer into binary mode if required. */
644 : static void
645 0 : set_binary (FILE *fp)
646 : {
647 : #ifdef HAVE_DOSISH_SYSTEM
648 : setmode (fileno (fp), O_BINARY);
649 : #else
650 : (void)fp;
651 : #endif
652 0 : }
653 :
654 :
655 :
656 : static void
657 0 : wrong_args (const char *text)
658 : {
659 0 : fprintf (stderr, _("usage: %s [options] %s\n"), GPGSM_NAME, text);
660 0 : gpgsm_exit (2);
661 0 : }
662 :
663 :
664 : static void
665 0 : set_opt_session_env (const char *name, const char *value)
666 : {
667 : gpg_error_t err;
668 :
669 0 : err = session_env_setenv (opt.session_env, name, value);
670 0 : if (err)
671 0 : log_fatal ("error setting session environment: %s\n",
672 : gpg_strerror (err));
673 0 : }
674 :
675 :
676 : /* Setup the debugging. With a DEBUG_LEVEL of NULL only the active
677 : debug flags are propagated to the subsystems. With DEBUG_LEVEL
678 : set, a specific set of debug flags is set; and individual debugging
679 : flags will be added on top. */
680 : static void
681 3 : set_debug (void)
682 : {
683 3 : int numok = (debug_level && digitp (debug_level));
684 3 : int numlvl = numok? atoi (debug_level) : 0;
685 :
686 3 : if (!debug_level)
687 : ;
688 0 : else if (!strcmp (debug_level, "none") || (numok && numlvl < 1))
689 0 : opt.debug = 0;
690 0 : else if (!strcmp (debug_level, "basic") || (numok && numlvl <= 2))
691 0 : opt.debug = DBG_IPC_VALUE;
692 0 : else if (!strcmp (debug_level, "advanced") || (numok && numlvl <= 5))
693 0 : opt.debug = DBG_IPC_VALUE|DBG_X509_VALUE;
694 0 : else if (!strcmp (debug_level, "expert") || (numok && numlvl <= 8))
695 0 : opt.debug = (DBG_IPC_VALUE|DBG_X509_VALUE
696 : |DBG_CACHE_VALUE|DBG_CRYPTO_VALUE);
697 0 : else if (!strcmp (debug_level, "guru") || numok)
698 : {
699 0 : opt.debug = ~0;
700 : /* Unless the "guru" string has been used we don't want to allow
701 : hashing debugging. The rationale is that people tend to
702 : select the highest debug value and would then clutter their
703 : disk with debug files which may reveal confidential data. */
704 0 : if (numok)
705 0 : opt.debug &= ~(DBG_HASHING_VALUE);
706 : }
707 : else
708 : {
709 0 : log_error (_("invalid debug-level '%s' given\n"), debug_level);
710 0 : gpgsm_exit (2);
711 : }
712 :
713 3 : opt.debug |= debug_value;
714 :
715 3 : if (opt.debug && !opt.verbose)
716 0 : opt.verbose = 1;
717 3 : if (opt.debug)
718 0 : opt.quiet = 0;
719 :
720 3 : if (opt.debug & DBG_MPI_VALUE)
721 0 : gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 2);
722 3 : if (opt.debug & DBG_CRYPTO_VALUE )
723 0 : gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1);
724 3 : gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
725 :
726 3 : if (opt.debug)
727 0 : parse_debug_flag (NULL, &opt.debug, debug_flags);
728 3 : }
729 :
730 :
731 :
732 : static void
733 3 : set_cmd (enum cmd_and_opt_values *ret_cmd, enum cmd_and_opt_values new_cmd)
734 : {
735 3 : enum cmd_and_opt_values cmd = *ret_cmd;
736 :
737 3 : if (!cmd || cmd == new_cmd)
738 3 : cmd = new_cmd;
739 0 : else if ( cmd == aSign && new_cmd == aEncr )
740 0 : cmd = aSignEncr;
741 0 : else if ( cmd == aEncr && new_cmd == aSign )
742 0 : cmd = aSignEncr;
743 0 : else if ( (cmd == aSign && new_cmd == aClearsign)
744 0 : || (cmd == aClearsign && new_cmd == aSign) )
745 0 : cmd = aClearsign;
746 : else
747 : {
748 0 : log_error(_("conflicting commands\n"));
749 0 : gpgsm_exit(2);
750 : }
751 :
752 3 : *ret_cmd = cmd;
753 3 : }
754 :
755 :
756 : /* Helper to add recipients to a list. */
757 : static void
758 0 : do_add_recipient (ctrl_t ctrl, const char *name,
759 : certlist_t *recplist, int is_encrypt_to, int recp_required)
760 : {
761 0 : int rc = gpgsm_add_to_certlist (ctrl, name, 0, recplist, is_encrypt_to);
762 0 : if (rc)
763 : {
764 0 : if (recp_required)
765 : {
766 0 : log_error ("can't encrypt to '%s': %s\n", name, gpg_strerror (rc));
767 0 : gpgsm_status2 (ctrl, STATUS_INV_RECP,
768 : get_inv_recpsgnr_code (rc), name, NULL);
769 : }
770 : else
771 0 : log_info (_("Note: won't be able to encrypt to '%s': %s\n"),
772 : name, gpg_strerror (rc));
773 : }
774 0 : }
775 :
776 :
777 : static void
778 0 : parse_validation_model (const char *model)
779 : {
780 0 : int i = gpgsm_parse_validation_model (model);
781 0 : if (i == -1)
782 0 : log_error (_("unknown validation model '%s'\n"), model);
783 : else
784 0 : default_validation_model = i;
785 0 : }
786 :
787 :
788 : /* Release the list of SERVERS. As usual it is okay to call this
789 : function with SERVERS passed as NULL. */
790 : void
791 3 : keyserver_list_free (struct keyserver_spec *servers)
792 : {
793 6 : while (servers)
794 : {
795 0 : struct keyserver_spec *tmp = servers->next;
796 0 : xfree (servers->host);
797 0 : xfree (servers->user);
798 0 : if (servers->pass)
799 0 : memset (servers->pass, 0, strlen (servers->pass));
800 0 : xfree (servers->pass);
801 0 : xfree (servers->base);
802 0 : xfree (servers);
803 0 : servers = tmp;
804 : }
805 3 : }
806 :
807 : /* See also dirmngr ldapserver_parse_one(). */
808 : struct keyserver_spec *
809 0 : parse_keyserver_line (char *line,
810 : const char *filename, unsigned int lineno)
811 : {
812 : char *p;
813 : char *endp;
814 : struct keyserver_spec *server;
815 : int fieldno;
816 0 : int fail = 0;
817 :
818 : /* Parse the colon separated fields. */
819 0 : server = xcalloc (1, sizeof *server);
820 0 : for (fieldno = 1, p = line; p; p = endp, fieldno++ )
821 : {
822 0 : endp = strchr (p, ':');
823 0 : if (endp)
824 0 : *endp++ = '\0';
825 0 : trim_spaces (p);
826 0 : switch (fieldno)
827 : {
828 : case 1:
829 0 : if (*p)
830 0 : server->host = xstrdup (p);
831 : else
832 : {
833 0 : log_error (_("%s:%u: no hostname given\n"),
834 : filename, lineno);
835 0 : fail = 1;
836 : }
837 0 : break;
838 :
839 : case 2:
840 0 : if (*p)
841 0 : server->port = atoi (p);
842 0 : break;
843 :
844 : case 3:
845 0 : if (*p)
846 0 : server->user = xstrdup (p);
847 0 : break;
848 :
849 : case 4:
850 0 : if (*p && !server->user)
851 : {
852 0 : log_error (_("%s:%u: password given without user\n"),
853 : filename, lineno);
854 0 : fail = 1;
855 : }
856 0 : else if (*p)
857 0 : server->pass = xstrdup (p);
858 0 : break;
859 :
860 : case 5:
861 0 : if (*p)
862 0 : server->base = xstrdup (p);
863 0 : break;
864 :
865 : default:
866 : /* (We silently ignore extra fields.) */
867 0 : break;
868 : }
869 : }
870 :
871 0 : if (fail)
872 : {
873 0 : log_info (_("%s:%u: skipping this line\n"), filename, lineno);
874 0 : keyserver_list_free (server);
875 0 : server = NULL;
876 : }
877 :
878 0 : return server;
879 : }
880 :
881 :
882 : int
883 3 : main ( int argc, char **argv)
884 : {
885 : ARGPARSE_ARGS pargs;
886 : int orig_argc;
887 : char **orig_argv;
888 : /* char *username;*/
889 : int may_coredump;
890 3 : strlist_t sl, remusr= NULL, locusr=NULL;
891 3 : strlist_t nrings=NULL;
892 3 : int detached_sig = 0;
893 3 : FILE *configfp = NULL;
894 3 : char *configname = NULL;
895 : unsigned configlineno;
896 3 : int parse_debug = 0;
897 3 : int no_more_options = 0;
898 3 : int default_config =1;
899 3 : int default_keyring = 1;
900 3 : char *logfile = NULL;
901 3 : char *auditlog = NULL;
902 3 : char *htmlauditlog = NULL;
903 3 : int greeting = 0;
904 3 : int nogreeting = 0;
905 3 : int debug_wait = 0;
906 3 : int use_random_seed = 1;
907 3 : int no_common_certs_import = 0;
908 3 : int with_fpr = 0;
909 3 : const char *forced_digest_algo = NULL;
910 3 : const char *extra_digest_algo = NULL;
911 3 : enum cmd_and_opt_values cmd = 0;
912 : struct server_control_s ctrl;
913 3 : certlist_t recplist = NULL;
914 3 : certlist_t signerlist = NULL;
915 3 : int do_not_setup_keys = 0;
916 3 : int recp_required = 0;
917 3 : estream_t auditfp = NULL;
918 3 : estream_t htmlauditfp = NULL;
919 : struct assuan_malloc_hooks malloc_hooks;
920 3 : int pwfd = -1;
921 : /*mtrace();*/
922 :
923 3 : early_system_init ();
924 3 : gnupg_reopen_std (GPGSM_NAME);
925 : /* trap_unaligned ();*/
926 3 : gnupg_rl_initialize ();
927 3 : set_strusage (my_strusage);
928 3 : gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
929 :
930 : /* Please note that we may running SUID(ROOT), so be very CAREFUL
931 : when adding any stuff between here and the call to secmem_init()
932 : somewhere after the option parsing */
933 3 : log_set_prefix (GPGSM_NAME, GPGRT_LOG_WITH_PREFIX);
934 :
935 : /* Make sure that our subsystems are ready. */
936 3 : i18n_init ();
937 3 : init_common_subsystems (&argc, &argv);
938 :
939 : /* Check that the libraries are suitable. Do it here because the
940 : option parse may need services of the library */
941 3 : if (!ksba_check_version (NEED_KSBA_VERSION) )
942 0 : log_fatal (_("%s is too old (need %s, have %s)\n"), "libksba",
943 : NEED_KSBA_VERSION, ksba_check_version (NULL) );
944 :
945 :
946 3 : gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
947 :
948 3 : may_coredump = disable_core_dumps ();
949 :
950 3 : gnupg_init_signals (0, emergency_cleanup);
951 :
952 3 : dotlock_create (NULL, 0); /* Register lockfile cleanup. */
953 :
954 3 : opt.autostart = 1;
955 3 : opt.session_env = session_env_new ();
956 3 : if (!opt.session_env)
957 0 : log_fatal ("error allocating session environment block: %s\n",
958 0 : strerror (errno));
959 :
960 : /* Note: If you change this default cipher algorithm , please
961 : remember to update the Gpgconflist entry as well. */
962 3 : opt.def_cipher_algoid = DEFAULT_CIPHER_ALGO;
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 : gnupg_set_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, NULL);
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 (gnupg_homedir (),
1023 : GPGSM_NAME EXTSEP_S "conf", NULL);
1024 : /* Set the default policy file */
1025 3 : opt.policy_file = make_filename (gnupg_homedir (), "policies.txt", NULL);
1026 :
1027 3 : argc = orig_argc;
1028 3 : argv = orig_argv;
1029 3 : pargs.argc = &argc;
1030 3 : pargs.argv = &argv;
1031 3 : pargs.flags = 1; /* do not remove the args */
1032 :
1033 : next_pass:
1034 6 : if (configname) {
1035 3 : configlineno = 0;
1036 3 : configfp = fopen (configname, "r");
1037 3 : if (!configfp)
1038 : {
1039 0 : if (default_config)
1040 : {
1041 0 : if (parse_debug)
1042 0 : log_info (_("Note: no default option file '%s'\n"), configname);
1043 : }
1044 : else
1045 : {
1046 0 : log_error (_("option file '%s': %s\n"), configname, strerror(errno));
1047 0 : gpgsm_exit(2);
1048 : }
1049 0 : xfree(configname);
1050 0 : configname = NULL;
1051 : }
1052 3 : if (parse_debug && configname)
1053 0 : log_info (_("reading options from '%s'\n"), configname);
1054 3 : default_config = 0;
1055 : }
1056 :
1057 27 : while (!no_more_options
1058 21 : && optfile_parse (configfp, configname, &configlineno, &pargs, opts))
1059 : {
1060 15 : switch (pargs.r_opt)
1061 : {
1062 : case aGPGConfList:
1063 : case aGPGConfTest:
1064 0 : set_cmd (&cmd, pargs.r_opt);
1065 0 : do_not_setup_keys = 1;
1066 0 : nogreeting = 1;
1067 0 : break;
1068 :
1069 : case aServer:
1070 0 : opt.batch = 1;
1071 0 : set_cmd (&cmd, aServer);
1072 0 : break;
1073 :
1074 : case aCallDirmngr:
1075 0 : opt.batch = 1;
1076 0 : set_cmd (&cmd, aCallDirmngr);
1077 0 : do_not_setup_keys = 1;
1078 0 : break;
1079 :
1080 : case aCallProtectTool:
1081 0 : opt.batch = 1;
1082 0 : set_cmd (&cmd, aCallProtectTool);
1083 0 : no_more_options = 1; /* Stop parsing. */
1084 0 : do_not_setup_keys = 1;
1085 0 : break;
1086 :
1087 : case aDeleteKey:
1088 0 : set_cmd (&cmd, aDeleteKey);
1089 : /*greeting=1;*/
1090 0 : do_not_setup_keys = 1;
1091 0 : break;
1092 :
1093 : case aDetachedSign:
1094 0 : detached_sig = 1;
1095 0 : set_cmd (&cmd, aSign );
1096 0 : break;
1097 :
1098 : case aKeygen:
1099 0 : set_cmd (&cmd, aKeygen);
1100 0 : greeting=1;
1101 0 : do_not_setup_keys = 1;
1102 0 : break;
1103 :
1104 : case aImport:
1105 : case aSendKeys:
1106 : case aRecvKeys:
1107 : case aExport:
1108 : case aExportSecretKeyP12:
1109 : case aExportSecretKeyP8:
1110 : case aExportSecretKeyRaw:
1111 : case aDumpKeys:
1112 : case aDumpChain:
1113 : case aDumpExternalKeys:
1114 : case aDumpSecretKeys:
1115 : case aListKeys:
1116 : case aListExternalKeys:
1117 : case aListSecretKeys:
1118 : case aListChain:
1119 : case aLearnCard:
1120 : case aPasswd:
1121 : case aKeydbClearSomeCertFlags:
1122 3 : do_not_setup_keys = 1;
1123 3 : set_cmd (&cmd, pargs.r_opt);
1124 3 : break;
1125 :
1126 : case aEncr:
1127 0 : recp_required = 1;
1128 0 : set_cmd (&cmd, pargs.r_opt);
1129 0 : break;
1130 :
1131 : case aSym:
1132 : case aDecrypt:
1133 : case aSign:
1134 : case aClearsign:
1135 : case aVerify:
1136 0 : set_cmd (&cmd, pargs.r_opt);
1137 0 : break;
1138 :
1139 : /* Output encoding selection. */
1140 : case oArmor:
1141 0 : ctrl.create_pem = 1;
1142 0 : break;
1143 : case oBase64:
1144 0 : ctrl.create_pem = 0;
1145 0 : ctrl.create_base64 = 1;
1146 0 : break;
1147 : case oNoArmor:
1148 0 : ctrl.create_pem = 0;
1149 0 : ctrl.create_base64 = 0;
1150 0 : break;
1151 :
1152 : case oP12Charset:
1153 0 : opt.p12_charset = pargs.r.ret_str;
1154 0 : break;
1155 :
1156 : case oPassphraseFD:
1157 0 : pwfd = translate_sys2libc_fd_int (pargs.r.ret_int, 0);
1158 0 : break;
1159 :
1160 : case oPinentryMode:
1161 0 : opt.pinentry_mode = parse_pinentry_mode (pargs.r.ret_str);
1162 0 : if (opt.pinentry_mode == -1)
1163 0 : log_error (_("invalid pinentry mode '%s'\n"), pargs.r.ret_str);
1164 0 : break;
1165 :
1166 : /* Input encoding selection. */
1167 : case oAssumeArmor:
1168 0 : ctrl.autodetect_encoding = 0;
1169 0 : ctrl.is_pem = 1;
1170 0 : ctrl.is_base64 = 0;
1171 0 : break;
1172 : case oAssumeBase64:
1173 0 : ctrl.autodetect_encoding = 0;
1174 0 : ctrl.is_pem = 0;
1175 0 : ctrl.is_base64 = 1;
1176 0 : break;
1177 : case oAssumeBinary:
1178 0 : ctrl.autodetect_encoding = 0;
1179 0 : ctrl.is_pem = 0;
1180 0 : ctrl.is_base64 = 0;
1181 0 : break;
1182 :
1183 : case oDisableCRLChecks:
1184 3 : opt.no_crl_check = 1;
1185 3 : break;
1186 : case oEnableCRLChecks:
1187 0 : opt.no_crl_check = 0;
1188 0 : break;
1189 : case oDisableTrustedCertCRLCheck:
1190 0 : opt.no_trusted_cert_crl_check = 1;
1191 0 : break;
1192 : case oEnableTrustedCertCRLCheck:
1193 0 : opt.no_trusted_cert_crl_check = 0;
1194 0 : break;
1195 : case oForceCRLRefresh:
1196 0 : opt.force_crl_refresh = 1;
1197 0 : break;
1198 :
1199 : case oDisableOCSP:
1200 0 : ctrl.use_ocsp = opt.enable_ocsp = 0;
1201 0 : break;
1202 : case oEnableOCSP:
1203 0 : ctrl.use_ocsp = opt.enable_ocsp = 1;
1204 0 : break;
1205 :
1206 : case oIncludeCerts:
1207 0 : ctrl.include_certs = default_include_certs = pargs.r.ret_int;
1208 0 : break;
1209 :
1210 : case oPolicyFile:
1211 0 : xfree (opt.policy_file);
1212 0 : if (*pargs.r.ret_str)
1213 0 : opt.policy_file = xstrdup (pargs.r.ret_str);
1214 : else
1215 0 : opt.policy_file = NULL;
1216 0 : break;
1217 :
1218 : case oDisablePolicyChecks:
1219 0 : opt.no_policy_check = 1;
1220 0 : break;
1221 : case oEnablePolicyChecks:
1222 0 : opt.no_policy_check = 0;
1223 0 : break;
1224 :
1225 : case oAutoIssuerKeyRetrieve:
1226 0 : opt.auto_issuer_key_retrieve = 1;
1227 0 : break;
1228 :
1229 0 : case oOutput: opt.outfile = pargs.r.ret_str; break;
1230 :
1231 :
1232 0 : case oQuiet: opt.quiet = 1; break;
1233 0 : case oNoTTY: /* fixme:tty_no_terminal(1);*/ break;
1234 0 : case oDryRun: opt.dry_run = 1; break;
1235 :
1236 : case oVerbose:
1237 0 : opt.verbose++;
1238 0 : gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
1239 0 : break;
1240 : case oNoVerbose:
1241 0 : opt.verbose = 0;
1242 0 : gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
1243 0 : break;
1244 :
1245 0 : case oLogFile: logfile = pargs.r.ret_str; break;
1246 0 : case oNoLogFile: logfile = NULL; break;
1247 :
1248 0 : case oAuditLog: auditlog = pargs.r.ret_str; break;
1249 0 : case oHtmlAuditLog: htmlauditlog = pargs.r.ret_str; break;
1250 :
1251 : case oBatch:
1252 0 : opt.batch = 1;
1253 0 : greeting = 0;
1254 0 : break;
1255 0 : case oNoBatch: opt.batch = 0; break;
1256 :
1257 0 : case oAnswerYes: opt.answer_yes = 1; break;
1258 0 : case oAnswerNo: opt.answer_no = 1; break;
1259 :
1260 0 : case oKeyring: append_to_strlist (&nrings, pargs.r.ret_str); break;
1261 :
1262 : case oDebug:
1263 0 : if (parse_debug_flag (pargs.r.ret_str, &debug_value, debug_flags))
1264 : {
1265 0 : pargs.r_opt = ARGPARSE_INVALID_ARG;
1266 0 : pargs.err = ARGPARSE_PRINT_ERROR;
1267 : }
1268 0 : break;
1269 0 : case oDebugAll: debug_value = ~0; break;
1270 0 : case oDebugNone: debug_value = 0; break;
1271 0 : case oDebugLevel: debug_level = pargs.r.ret_str; break;
1272 0 : case oDebugWait: debug_wait = pargs.r.ret_int; break;
1273 : case oDebugAllowCoreDump:
1274 0 : may_coredump = enable_core_dumps ();
1275 0 : break;
1276 0 : case oDebugNoChainValidation: opt.no_chain_validation = 1; break;
1277 0 : case oDebugIgnoreExpiration: opt.ignore_expiration = 1; break;
1278 :
1279 0 : case oStatusFD: ctrl.status_fd = pargs.r.ret_int; break;
1280 0 : case oLoggerFD: log_set_fd (pargs.r.ret_int ); break;
1281 : case oWithMD5Fingerprint:
1282 0 : opt.with_md5_fingerprint=1; /*fall thru*/
1283 : case oWithFingerprint:
1284 0 : with_fpr=1; /*fall thru*/
1285 : case aFingerprint:
1286 0 : opt.fingerprint++;
1287 0 : break;
1288 :
1289 : case oWithKeygrip:
1290 0 : opt.with_keygrip = 1;
1291 0 : break;
1292 :
1293 : case oOptions:
1294 : /* config files may not be nested (silently ignore them) */
1295 0 : if (!configfp)
1296 : {
1297 0 : xfree(configname);
1298 0 : configname = xstrdup (pargs.r.ret_str);
1299 0 : goto next_pass;
1300 : }
1301 0 : break;
1302 0 : case oNoOptions: opt.no_homedir_creation = 1; break; /* no-options */
1303 0 : case oHomedir: gnupg_set_homedir (pargs.r.ret_str); break;
1304 3 : case oAgentProgram: opt.agent_program = pargs.r.ret_str; break;
1305 :
1306 : case oDisplay:
1307 0 : set_opt_session_env ("DISPLAY", pargs.r.ret_str);
1308 0 : break;
1309 : case oTTYname:
1310 0 : set_opt_session_env ("GPG_TTY", pargs.r.ret_str);
1311 0 : break;
1312 : case oTTYtype:
1313 0 : set_opt_session_env ("TERM", pargs.r.ret_str);
1314 0 : break;
1315 : case oXauthority:
1316 0 : set_opt_session_env ("XAUTHORITY", pargs.r.ret_str);
1317 0 : break;
1318 :
1319 0 : case oLCctype: opt.lc_ctype = xstrdup (pargs.r.ret_str); break;
1320 0 : case oLCmessages: opt.lc_messages = xstrdup (pargs.r.ret_str); break;
1321 :
1322 0 : case oDirmngrProgram: opt.dirmngr_program = pargs.r.ret_str; break;
1323 0 : case oDisableDirmngr: opt.disable_dirmngr = 1; break;
1324 0 : case oPreferSystemDirmngr: /* Obsolete */; break;
1325 : case oProtectToolProgram:
1326 0 : opt.protect_tool_program = pargs.r.ret_str;
1327 0 : break;
1328 :
1329 : case oFakedSystemTime:
1330 : {
1331 3 : time_t faked_time = isotime2epoch (pargs.r.ret_str);
1332 3 : if (faked_time == (time_t)(-1))
1333 3 : faked_time = (time_t)strtoul (pargs.r.ret_str, NULL, 10);
1334 3 : gnupg_set_time (faked_time, 0);
1335 : }
1336 3 : break;
1337 :
1338 0 : case oNoDefKeyring: default_keyring = 0; break;
1339 0 : case oNoGreeting: nogreeting = 1; break;
1340 :
1341 : case oDefaultKey:
1342 0 : if (*pargs.r.ret_str)
1343 : {
1344 0 : xfree (opt.local_user);
1345 0 : opt.local_user = xstrdup (pargs.r.ret_str);
1346 : }
1347 0 : break;
1348 : case oDefRecipient:
1349 0 : if (*pargs.r.ret_str)
1350 0 : opt.def_recipient = xstrdup (pargs.r.ret_str);
1351 0 : break;
1352 : case oDefRecipientSelf:
1353 0 : xfree (opt.def_recipient);
1354 0 : opt.def_recipient = NULL;
1355 0 : opt.def_recipient_self = 1;
1356 0 : break;
1357 : case oNoDefRecipient:
1358 0 : xfree (opt.def_recipient);
1359 0 : opt.def_recipient = NULL;
1360 0 : opt.def_recipient_self = 0;
1361 0 : break;
1362 :
1363 0 : case oWithKeyData: opt.with_key_data=1; /* fall thru */
1364 0 : case oWithColons: ctrl.with_colons = 1; break;
1365 0 : case oWithSecret: ctrl.with_secret = 1; break;
1366 0 : case oWithValidation: ctrl.with_validation=1; break;
1367 0 : case oWithEphemeralKeys: ctrl.with_ephemeral_keys=1; break;
1368 :
1369 0 : case oSkipVerify: opt.skip_verify=1; break;
1370 :
1371 0 : case oNoEncryptTo: opt.no_encrypt_to = 1; break;
1372 : case oEncryptTo: /* Store the recipient in the second list */
1373 0 : sl = add_to_strlist (&remusr, pargs.r.ret_str);
1374 0 : sl->flags = 1;
1375 0 : break;
1376 :
1377 : case oRecipient: /* store the recipient */
1378 0 : add_to_strlist ( &remusr, pargs.r.ret_str);
1379 0 : break;
1380 :
1381 : case oUser: /* Store the local users, the first one is the default */
1382 0 : if (!opt.local_user)
1383 0 : opt.local_user = xstrdup (pargs.r.ret_str);
1384 0 : add_to_strlist (&locusr, pargs.r.ret_str);
1385 0 : break;
1386 :
1387 : case oNoSecmemWarn:
1388 3 : gcry_control (GCRYCTL_DISABLE_SECMEM_WARN);
1389 3 : break;
1390 :
1391 : case oCipherAlgo:
1392 0 : opt.def_cipher_algoid = pargs.r.ret_str;
1393 0 : break;
1394 :
1395 : case oDisableCipherAlgo:
1396 : {
1397 0 : int algo = gcry_cipher_map_name (pargs.r.ret_str);
1398 0 : gcry_cipher_ctl (NULL, GCRYCTL_DISABLE_ALGO, &algo, sizeof algo);
1399 : }
1400 0 : break;
1401 : case oDisablePubkeyAlgo:
1402 : {
1403 0 : int algo = gcry_pk_map_name (pargs.r.ret_str);
1404 0 : gcry_pk_ctl (GCRYCTL_DISABLE_ALGO,&algo, sizeof algo );
1405 : }
1406 0 : break;
1407 :
1408 : case oDigestAlgo:
1409 0 : forced_digest_algo = pargs.r.ret_str;
1410 0 : break;
1411 :
1412 : case oExtraDigestAlgo:
1413 0 : extra_digest_algo = pargs.r.ret_str;
1414 0 : break;
1415 :
1416 0 : case oIgnoreTimeConflict: opt.ignore_time_conflict = 1; break;
1417 0 : case oNoRandomSeedFile: use_random_seed = 0; break;
1418 0 : case oNoCommonCertsImport: no_common_certs_import = 1; break;
1419 :
1420 0 : case oEnableSpecialFilenames: allow_special_filenames =1; break;
1421 :
1422 0 : case oValidationModel: parse_validation_model (pargs.r.ret_str); break;
1423 :
1424 : case oKeyServer:
1425 : {
1426 : struct keyserver_spec *keyserver;
1427 0 : keyserver = parse_keyserver_line (pargs.r.ret_str,
1428 : configname, configlineno);
1429 0 : if (! keyserver)
1430 0 : log_error (_("could not parse keyserver\n"));
1431 : else
1432 : {
1433 : /* FIXME: Keep last next pointer. */
1434 0 : struct keyserver_spec **next_p = &opt.keyserver;
1435 0 : while (*next_p)
1436 0 : next_p = &(*next_p)->next;
1437 0 : *next_p = keyserver;
1438 : }
1439 : }
1440 0 : break;
1441 :
1442 : case oIgnoreCertExtension:
1443 0 : add_to_strlist (&opt.ignored_cert_extensions, pargs.r.ret_str);
1444 0 : break;
1445 :
1446 0 : case oNoAutostart: opt.autostart = 0; break;
1447 :
1448 : default:
1449 0 : pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
1450 0 : break;
1451 : }
1452 : }
1453 :
1454 6 : if (configfp)
1455 : {
1456 3 : fclose (configfp);
1457 3 : configfp = NULL;
1458 : /* Keep a copy of the config filename. */
1459 3 : opt.config_filename = configname;
1460 3 : configname = NULL;
1461 3 : goto next_pass;
1462 : }
1463 3 : xfree (configname);
1464 3 : configname = NULL;
1465 :
1466 3 : if (!opt.config_filename)
1467 0 : opt.config_filename = make_filename (gnupg_homedir (),
1468 : GPGSM_NAME EXTSEP_S "conf",
1469 : NULL);
1470 :
1471 3 : if (log_get_errorcount(0))
1472 0 : gpgsm_exit(2);
1473 :
1474 3 : if (pwfd != -1) /* Read the passphrase now. */
1475 0 : read_passphrase_from_fd (pwfd);
1476 :
1477 : /* Now that we have the options parsed we need to update the default
1478 : control structure. */
1479 3 : gpgsm_init_default_ctrl (&ctrl);
1480 :
1481 3 : if (nogreeting)
1482 0 : greeting = 0;
1483 :
1484 3 : if (greeting)
1485 : {
1486 0 : es_fprintf (es_stderr, "%s %s; %s\n",
1487 : strusage(11), strusage(13), strusage(14) );
1488 0 : es_fprintf (es_stderr, "%s\n", strusage(15) );
1489 : }
1490 : # ifdef IS_DEVELOPMENT_VERSION
1491 : if (!opt.batch)
1492 : {
1493 : log_info ("NOTE: THIS IS A DEVELOPMENT VERSION!\n");
1494 : log_info ("It is only intended for test purposes and should NOT be\n");
1495 : log_info ("used in a production environment or with production keys!\n");
1496 : }
1497 : # endif
1498 :
1499 3 : if (may_coredump && !opt.quiet)
1500 0 : log_info (_("WARNING: program may create a core file!\n"));
1501 :
1502 : /* if (opt.qualsig_approval && !opt.quiet) */
1503 : /* log_info (_("This software has officially been approved to " */
1504 : /* "create and verify\n" */
1505 : /* "qualified signatures according to German law.\n")); */
1506 :
1507 3 : if (logfile && cmd == aServer)
1508 : {
1509 0 : log_set_file (logfile);
1510 0 : log_set_prefix (NULL, GPGRT_LOG_WITH_PREFIX | GPGRT_LOG_WITH_TIME | GPGRT_LOG_WITH_PID);
1511 : }
1512 :
1513 3 : if (gnupg_faked_time_p ())
1514 : {
1515 : gnupg_isotime_t tbuf;
1516 :
1517 3 : log_info (_("WARNING: running with faked system time: "));
1518 3 : gnupg_get_isotime (tbuf);
1519 3 : dump_isotime (tbuf);
1520 3 : log_printf ("\n");
1521 : }
1522 :
1523 : /* Print a warning if an argument looks like an option. */
1524 3 : if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
1525 : {
1526 : int i;
1527 :
1528 6 : for (i=0; i < argc; i++)
1529 3 : if (argv[i][0] == '-' && argv[i][1] == '-')
1530 0 : log_info (_("Note: '%s' is not considered an option\n"), argv[i]);
1531 : }
1532 :
1533 : /*FIXME if (opt.batch) */
1534 : /* tty_batchmode (1); */
1535 :
1536 3 : gcry_control (GCRYCTL_RESUME_SECMEM_WARN);
1537 :
1538 3 : set_debug ();
1539 :
1540 : /* Although we always use gpgsm_exit, we better install a regualr
1541 : exit handler so that at least the secure memory gets wiped
1542 : out. */
1543 3 : if (atexit (emergency_cleanup))
1544 : {
1545 0 : log_error ("atexit failed\n");
1546 0 : gpgsm_exit (2);
1547 : }
1548 :
1549 : /* Must do this after dropping setuid, because the mapping functions
1550 : may try to load an module and we may have disabled an algorithm.
1551 : We remap the commonly used algorithms to the OIDs for
1552 : convenience. We need to work with the OIDs because they are used
1553 : to check whether the encryption mode is actually available. */
1554 3 : if (!strcmp (opt.def_cipher_algoid, "3DES") )
1555 0 : opt.def_cipher_algoid = "1.2.840.113549.3.7";
1556 3 : else if (!strcmp (opt.def_cipher_algoid, "AES")
1557 0 : || !strcmp (opt.def_cipher_algoid, "AES128"))
1558 3 : opt.def_cipher_algoid = "2.16.840.1.101.3.4.1.2";
1559 0 : else if (!strcmp (opt.def_cipher_algoid, "AES192") )
1560 0 : opt.def_cipher_algoid = "2.16.840.1.101.3.4.1.22";
1561 0 : else if (!strcmp (opt.def_cipher_algoid, "AES256") )
1562 0 : opt.def_cipher_algoid = "2.16.840.1.101.3.4.1.42";
1563 0 : else if (!strcmp (opt.def_cipher_algoid, "SERPENT")
1564 0 : || !strcmp (opt.def_cipher_algoid, "SERPENT128") )
1565 0 : opt.def_cipher_algoid = "1.3.6.1.4.1.11591.13.2.2";
1566 0 : else if (!strcmp (opt.def_cipher_algoid, "SERPENT192") )
1567 0 : opt.def_cipher_algoid = "1.3.6.1.4.1.11591.13.2.22";
1568 0 : else if (!strcmp (opt.def_cipher_algoid, "SERPENT256") )
1569 0 : opt.def_cipher_algoid = "1.3.6.1.4.1.11591.13.2.42";
1570 0 : else if (!strcmp (opt.def_cipher_algoid, "SEED") )
1571 0 : opt.def_cipher_algoid = "1.2.410.200004.1.4";
1572 0 : else if (!strcmp (opt.def_cipher_algoid, "CAMELLIA")
1573 0 : || !strcmp (opt.def_cipher_algoid, "CAMELLIA128") )
1574 0 : opt.def_cipher_algoid = "1.2.392.200011.61.1.1.1.2";
1575 0 : else if (!strcmp (opt.def_cipher_algoid, "CAMELLIA192") )
1576 0 : opt.def_cipher_algoid = "1.2.392.200011.61.1.1.1.3";
1577 0 : else if (!strcmp (opt.def_cipher_algoid, "CAMELLIA256") )
1578 0 : opt.def_cipher_algoid = "1.2.392.200011.61.1.1.1.4";
1579 :
1580 3 : if (cmd != aGPGConfList)
1581 : {
1582 3 : if ( !gcry_cipher_map_name (opt.def_cipher_algoid)
1583 3 : || !gcry_cipher_mode_from_oid (opt.def_cipher_algoid))
1584 0 : log_error (_("selected cipher algorithm is invalid\n"));
1585 :
1586 3 : if (forced_digest_algo)
1587 : {
1588 0 : opt.forced_digest_algo = gcry_md_map_name (forced_digest_algo);
1589 0 : if (our_md_test_algo(opt.forced_digest_algo) )
1590 0 : log_error (_("selected digest algorithm is invalid\n"));
1591 : }
1592 3 : if (extra_digest_algo)
1593 : {
1594 0 : opt.extra_digest_algo = gcry_md_map_name (extra_digest_algo);
1595 0 : if (our_md_test_algo (opt.extra_digest_algo) )
1596 0 : log_error (_("selected digest algorithm is invalid\n"));
1597 : }
1598 : }
1599 :
1600 3 : if (log_get_errorcount(0))
1601 0 : gpgsm_exit(2);
1602 :
1603 : /* Set the random seed file. */
1604 3 : if (use_random_seed)
1605 : {
1606 3 : char *p = make_filename (gnupg_homedir (), "random_seed", NULL);
1607 3 : gcry_control (GCRYCTL_SET_RANDOM_SEED_FILE, p);
1608 3 : xfree(p);
1609 : }
1610 :
1611 3 : if (!cmd && opt.fingerprint && !with_fpr)
1612 0 : set_cmd (&cmd, aListKeys);
1613 :
1614 : /* Add default keybox. */
1615 3 : if (!nrings && default_keyring)
1616 : {
1617 : int created;
1618 :
1619 3 : keydb_add_resource ("pubring.kbx", 0, 0, &created);
1620 3 : if (created && !no_common_certs_import)
1621 : {
1622 : /* Import the standard certificates for a new default keybox. */
1623 : char *filelist[2];
1624 :
1625 1 : filelist[0] = make_filename (gnupg_datadir (),"com-certs.pem", NULL);
1626 1 : filelist[1] = NULL;
1627 1 : if (!access (filelist[0], F_OK))
1628 : {
1629 0 : log_info (_("importing common certificates '%s'\n"),
1630 : filelist[0]);
1631 0 : gpgsm_import_files (&ctrl, 1, filelist, open_read);
1632 : }
1633 1 : xfree (filelist[0]);
1634 : }
1635 : }
1636 3 : for (sl = nrings; sl; sl = sl->next)
1637 0 : keydb_add_resource (sl->d, 0, 0, NULL);
1638 3 : FREE_STRLIST(nrings);
1639 :
1640 :
1641 : /* Prepare the audit log feature for certain commands. */
1642 3 : if (auditlog || htmlauditlog)
1643 : {
1644 0 : switch (cmd)
1645 : {
1646 : case aEncr:
1647 : case aSign:
1648 : case aDecrypt:
1649 : case aVerify:
1650 0 : audit_release (ctrl.audit);
1651 0 : ctrl.audit = audit_new ();
1652 0 : if (auditlog)
1653 0 : auditfp = open_es_fwrite (auditlog);
1654 0 : if (htmlauditlog)
1655 0 : htmlauditfp = open_es_fwrite (htmlauditlog);
1656 0 : break;
1657 : default:
1658 0 : break;
1659 : }
1660 : }
1661 :
1662 :
1663 3 : if (!do_not_setup_keys)
1664 : {
1665 0 : for (sl = locusr; sl ; sl = sl->next)
1666 : {
1667 0 : int rc = gpgsm_add_to_certlist (&ctrl, sl->d, 1, &signerlist, 0);
1668 0 : if (rc)
1669 : {
1670 0 : log_error (_("can't sign using '%s': %s\n"),
1671 0 : sl->d, gpg_strerror (rc));
1672 0 : gpgsm_status2 (&ctrl, STATUS_INV_SGNR,
1673 0 : get_inv_recpsgnr_code (rc), sl->d, NULL);
1674 0 : gpgsm_status2 (&ctrl, STATUS_INV_RECP,
1675 0 : get_inv_recpsgnr_code (rc), sl->d, NULL);
1676 : }
1677 : }
1678 :
1679 : /* Build the recipient list. We first add the regular ones and then
1680 : the encrypt-to ones because the underlying function will silently
1681 : ignore duplicates and we can't allow keeping a duplicate which is
1682 : flagged as encrypt-to as the actually encrypt function would then
1683 : complain about no (regular) recipients. */
1684 0 : for (sl = remusr; sl; sl = sl->next)
1685 0 : if (!(sl->flags & 1))
1686 0 : do_add_recipient (&ctrl, sl->d, &recplist, 0, recp_required);
1687 0 : if (!opt.no_encrypt_to)
1688 : {
1689 0 : for (sl = remusr; sl; sl = sl->next)
1690 0 : if ((sl->flags & 1))
1691 0 : do_add_recipient (&ctrl, sl->d, &recplist, 1, recp_required);
1692 : }
1693 : }
1694 :
1695 3 : if (log_get_errorcount(0))
1696 0 : gpgsm_exit(1); /* Must stop for invalid recipients. */
1697 :
1698 : /* Dispatch command. */
1699 3 : switch (cmd)
1700 : {
1701 : case aGPGConfList:
1702 : { /* List options and default values in the GPG Conf format. */
1703 0 : char *config_filename_esc = percent_escape (opt.config_filename, NULL);
1704 :
1705 0 : es_printf ("%s-%s.conf:%lu:\"%s\n",
1706 : GPGCONF_NAME, GPGSM_NAME,
1707 : GC_OPT_FLAG_DEFAULT, config_filename_esc);
1708 0 : xfree (config_filename_esc);
1709 :
1710 0 : es_printf ("verbose:%lu:\n", GC_OPT_FLAG_NONE);
1711 0 : es_printf ("quiet:%lu:\n", GC_OPT_FLAG_NONE);
1712 0 : es_printf ("debug-level:%lu:\"none:\n", GC_OPT_FLAG_DEFAULT);
1713 0 : es_printf ("log-file:%lu:\n", GC_OPT_FLAG_NONE);
1714 0 : es_printf ("disable-crl-checks:%lu:\n", GC_OPT_FLAG_NONE);
1715 0 : es_printf ("disable-trusted-cert-crl-check:%lu:\n", GC_OPT_FLAG_NONE);
1716 0 : es_printf ("enable-ocsp:%lu:\n", GC_OPT_FLAG_NONE);
1717 0 : es_printf ("include-certs:%lu:%d:\n", GC_OPT_FLAG_DEFAULT,
1718 : DEFAULT_INCLUDE_CERTS);
1719 0 : es_printf ("disable-policy-checks:%lu:\n", GC_OPT_FLAG_NONE);
1720 0 : es_printf ("auto-issuer-key-retrieve:%lu:\n", GC_OPT_FLAG_NONE);
1721 0 : es_printf ("disable-dirmngr:%lu:\n", GC_OPT_FLAG_NONE);
1722 0 : es_printf ("cipher-algo:%lu:\"%s:\n", GC_OPT_FLAG_DEFAULT,
1723 : DEFAULT_CIPHER_ALGO);
1724 0 : es_printf ("p12-charset:%lu:\n", GC_OPT_FLAG_DEFAULT);
1725 0 : es_printf ("default-key:%lu:\n", GC_OPT_FLAG_DEFAULT);
1726 0 : es_printf ("encrypt-to:%lu:\n", GC_OPT_FLAG_DEFAULT);
1727 0 : es_printf ("keyserver:%lu:\n", GC_OPT_FLAG_NONE);
1728 :
1729 : /* The next one is an info only item and should match what
1730 : proc_parameters actually implements. */
1731 0 : es_printf ("default_pubkey_algo:%lu:\"%s:\n", GC_OPT_FLAG_DEFAULT,
1732 : "RSA-2048");
1733 :
1734 : }
1735 0 : break;
1736 : case aGPGConfTest:
1737 : /* This is merely a dummy command to test whether the
1738 : configuration file is valid. */
1739 0 : break;
1740 :
1741 : case aServer:
1742 0 : if (debug_wait)
1743 : {
1744 0 : log_debug ("waiting for debugger - my pid is %u .....\n",
1745 0 : (unsigned int)getpid());
1746 0 : gnupg_sleep (debug_wait);
1747 0 : log_debug ("... okay\n");
1748 : }
1749 0 : gpgsm_server (recplist);
1750 0 : break;
1751 :
1752 : case aCallDirmngr:
1753 0 : if (!argc)
1754 0 : wrong_args ("--call-dirmngr <command> {args}");
1755 : else
1756 0 : if (gpgsm_dirmngr_run_command (&ctrl, *argv, argc-1, argv+1))
1757 0 : gpgsm_exit (1);
1758 0 : break;
1759 :
1760 : case aCallProtectTool:
1761 0 : run_protect_tool (argc, argv);
1762 0 : break;
1763 :
1764 : case aEncr: /* Encrypt the given file. */
1765 : {
1766 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1767 :
1768 0 : set_binary (stdin);
1769 :
1770 0 : if (!argc) /* Source is stdin. */
1771 0 : gpgsm_encrypt (&ctrl, recplist, 0, fp);
1772 0 : else if (argc == 1) /* Source is the given file. */
1773 0 : gpgsm_encrypt (&ctrl, recplist, open_read (*argv), fp);
1774 : else
1775 0 : wrong_args ("--encrypt [datafile]");
1776 :
1777 0 : es_fclose (fp);
1778 : }
1779 0 : break;
1780 :
1781 : case aSign: /* Sign the given file. */
1782 : {
1783 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1784 :
1785 : /* Fixme: We should also allow concatenation of multiple files for
1786 : signing because that is what gpg does.*/
1787 0 : set_binary (stdin);
1788 0 : if (!argc) /* Create from stdin. */
1789 0 : gpgsm_sign (&ctrl, signerlist, 0, detached_sig, fp);
1790 0 : else if (argc == 1) /* From file. */
1791 0 : gpgsm_sign (&ctrl, signerlist,
1792 : open_read (*argv), detached_sig, fp);
1793 : else
1794 0 : wrong_args ("--sign [datafile]");
1795 :
1796 0 : es_fclose (fp);
1797 : }
1798 0 : break;
1799 :
1800 : case aSignEncr: /* sign and encrypt the given file */
1801 0 : log_error ("this command has not yet been implemented\n");
1802 0 : break;
1803 :
1804 : case aClearsign: /* make a clearsig */
1805 0 : log_error ("this command has not yet been implemented\n");
1806 0 : break;
1807 :
1808 : case aVerify:
1809 : {
1810 0 : estream_t fp = NULL;
1811 :
1812 0 : set_binary (stdin);
1813 0 : if (argc == 2 && opt.outfile)
1814 0 : log_info ("option --output ignored for a detached signature\n");
1815 0 : else if (opt.outfile)
1816 0 : fp = open_es_fwrite (opt.outfile);
1817 :
1818 0 : if (!argc)
1819 0 : gpgsm_verify (&ctrl, 0, -1, fp); /* normal signature from stdin */
1820 0 : else if (argc == 1)
1821 0 : gpgsm_verify (&ctrl, open_read (*argv), -1, fp); /* std signature */
1822 0 : else if (argc == 2) /* detached signature (sig, detached) */
1823 0 : gpgsm_verify (&ctrl, open_read (*argv), open_read (argv[1]), NULL);
1824 : else
1825 0 : wrong_args ("--verify [signature [detached_data]]");
1826 :
1827 0 : es_fclose (fp);
1828 : }
1829 0 : break;
1830 :
1831 : case aDecrypt:
1832 : {
1833 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1834 :
1835 0 : set_binary (stdin);
1836 0 : if (!argc)
1837 0 : gpgsm_decrypt (&ctrl, 0, fp); /* from stdin */
1838 0 : else if (argc == 1)
1839 0 : gpgsm_decrypt (&ctrl, open_read (*argv), fp); /* from file */
1840 : else
1841 0 : wrong_args ("--decrypt [filename]");
1842 :
1843 0 : es_fclose (fp);
1844 : }
1845 0 : break;
1846 :
1847 : case aDeleteKey:
1848 0 : for (sl=NULL; argc; argc--, argv++)
1849 0 : add_to_strlist (&sl, *argv);
1850 0 : gpgsm_delete (&ctrl, sl);
1851 0 : free_strlist(sl);
1852 0 : break;
1853 :
1854 : case aListChain:
1855 : case aDumpChain:
1856 0 : ctrl.with_chain = 1;
1857 : case aListKeys:
1858 : case aDumpKeys:
1859 : case aListExternalKeys:
1860 : case aDumpExternalKeys:
1861 : case aListSecretKeys:
1862 : case aDumpSecretKeys:
1863 : {
1864 : unsigned int mode;
1865 : estream_t fp;
1866 :
1867 0 : switch (cmd)
1868 : {
1869 : case aListChain:
1870 0 : case aListKeys: mode = (0 | 0 | (1<<6)); break;
1871 : case aDumpChain:
1872 0 : case aDumpKeys: mode = (256 | 0 | (1<<6)); break;
1873 0 : case aListExternalKeys: mode = (0 | 0 | (1<<7)); break;
1874 0 : case aDumpExternalKeys: mode = (256 | 0 | (1<<7)); break;
1875 0 : case aListSecretKeys: mode = (0 | 2 | (1<<6)); break;
1876 0 : case aDumpSecretKeys: mode = (256 | 2 | (1<<6)); break;
1877 0 : default: BUG();
1878 : }
1879 :
1880 0 : fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1881 0 : for (sl=NULL; argc; argc--, argv++)
1882 0 : add_to_strlist (&sl, *argv);
1883 0 : gpgsm_list_keys (&ctrl, sl, fp, mode);
1884 0 : free_strlist(sl);
1885 0 : es_fclose (fp);
1886 : }
1887 0 : break;
1888 :
1889 :
1890 : case aKeygen: /* Generate a key; well kind of. */
1891 : {
1892 0 : estream_t fpin = NULL;
1893 : estream_t fpout;
1894 :
1895 0 : if (opt.batch)
1896 : {
1897 0 : if (!argc) /* Create from stdin. */
1898 0 : fpin = open_es_fread ("-", "r");
1899 0 : else if (argc == 1) /* From file. */
1900 0 : fpin = open_es_fread (*argv, "r");
1901 : else
1902 0 : wrong_args ("--gen-key --batch [parmfile]");
1903 : }
1904 :
1905 0 : fpout = open_es_fwrite (opt.outfile?opt.outfile:"-");
1906 :
1907 0 : if (fpin)
1908 0 : gpgsm_genkey (&ctrl, fpin, fpout);
1909 : else
1910 0 : gpgsm_gencertreq_tty (&ctrl, fpout);
1911 :
1912 0 : es_fclose (fpout);
1913 : }
1914 0 : break;
1915 :
1916 :
1917 : case aImport:
1918 3 : gpgsm_import_files (&ctrl, argc, argv, open_read);
1919 3 : break;
1920 :
1921 : case aExport:
1922 : {
1923 : estream_t fp;
1924 :
1925 0 : fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1926 0 : for (sl=NULL; argc; argc--, argv++)
1927 0 : add_to_strlist (&sl, *argv);
1928 0 : gpgsm_export (&ctrl, sl, fp);
1929 0 : free_strlist(sl);
1930 0 : es_fclose (fp);
1931 : }
1932 0 : break;
1933 :
1934 : case aExportSecretKeyP12:
1935 : {
1936 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1937 :
1938 0 : if (argc == 1)
1939 0 : gpgsm_p12_export (&ctrl, *argv, fp, 0);
1940 : else
1941 0 : wrong_args ("--export-secret-key-p12 KEY-ID");
1942 0 : if (fp != es_stdout)
1943 0 : es_fclose (fp);
1944 : }
1945 0 : break;
1946 :
1947 : case aExportSecretKeyP8:
1948 : {
1949 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1950 :
1951 0 : if (argc == 1)
1952 0 : gpgsm_p12_export (&ctrl, *argv, fp, 1);
1953 : else
1954 0 : wrong_args ("--export-secret-key-p8 KEY-ID");
1955 0 : if (fp != es_stdout)
1956 0 : es_fclose (fp);
1957 : }
1958 0 : break;
1959 :
1960 : case aExportSecretKeyRaw:
1961 : {
1962 0 : estream_t fp = open_es_fwrite (opt.outfile?opt.outfile:"-");
1963 :
1964 0 : if (argc == 1)
1965 0 : gpgsm_p12_export (&ctrl, *argv, fp, 2);
1966 : else
1967 0 : wrong_args ("--export-secret-key-raw KEY-ID");
1968 0 : if (fp != es_stdout)
1969 0 : es_fclose (fp);
1970 : }
1971 0 : break;
1972 :
1973 : case aSendKeys:
1974 : case aRecvKeys:
1975 0 : log_error ("this command has not yet been implemented\n");
1976 0 : break;
1977 :
1978 :
1979 : case aLearnCard:
1980 0 : if (argc)
1981 0 : wrong_args ("--learn-card");
1982 : else
1983 : {
1984 0 : int rc = gpgsm_agent_learn (&ctrl);
1985 0 : if (rc)
1986 0 : log_error ("error learning card: %s\n", gpg_strerror (rc));
1987 : }
1988 0 : break;
1989 :
1990 : case aPasswd:
1991 0 : if (argc != 1)
1992 0 : wrong_args ("--passwd <key-Id>");
1993 : else
1994 : {
1995 : int rc;
1996 0 : ksba_cert_t cert = NULL;
1997 0 : char *grip = NULL;
1998 :
1999 0 : rc = gpgsm_find_cert (*argv, NULL, &cert);
2000 0 : if (rc)
2001 : ;
2002 0 : else if (!(grip = gpgsm_get_keygrip_hexstring (cert)))
2003 0 : rc = gpg_error (GPG_ERR_BUG);
2004 : else
2005 : {
2006 0 : char *desc = gpgsm_format_keydesc (cert);
2007 0 : rc = gpgsm_agent_passwd (&ctrl, grip, desc);
2008 0 : xfree (desc);
2009 : }
2010 0 : if (rc)
2011 0 : log_error ("error changing passphrase: %s\n", gpg_strerror (rc));
2012 0 : xfree (grip);
2013 0 : ksba_cert_release (cert);
2014 : }
2015 0 : break;
2016 :
2017 : case aKeydbClearSomeCertFlags:
2018 0 : for (sl=NULL; argc; argc--, argv++)
2019 0 : add_to_strlist (&sl, *argv);
2020 0 : keydb_clear_some_cert_flags (&ctrl, sl);
2021 0 : free_strlist(sl);
2022 0 : break;
2023 :
2024 :
2025 : default:
2026 0 : log_error (_("invalid command (there is no implicit command)\n"));
2027 0 : break;
2028 : }
2029 :
2030 : /* Print the audit result if needed. */
2031 3 : if ((auditlog && auditfp) || (htmlauditlog && htmlauditfp))
2032 : {
2033 0 : if (auditlog && auditfp)
2034 0 : audit_print_result (ctrl.audit, auditfp, 0);
2035 0 : if (htmlauditlog && htmlauditfp)
2036 0 : audit_print_result (ctrl.audit, htmlauditfp, 1);
2037 0 : audit_release (ctrl.audit);
2038 0 : ctrl.audit = NULL;
2039 0 : es_fclose (auditfp);
2040 0 : es_fclose (htmlauditfp);
2041 : }
2042 :
2043 : /* cleanup */
2044 3 : keyserver_list_free (opt.keyserver);
2045 3 : opt.keyserver = NULL;
2046 3 : gpgsm_release_certlist (recplist);
2047 3 : gpgsm_release_certlist (signerlist);
2048 3 : FREE_STRLIST (remusr);
2049 3 : FREE_STRLIST (locusr);
2050 3 : gpgsm_exit(0);
2051 0 : return 8; /*NOTREACHED*/
2052 : }
2053 :
2054 : /* Note: This function is used by signal handlers!. */
2055 : static void
2056 6 : emergency_cleanup (void)
2057 : {
2058 6 : gcry_control (GCRYCTL_TERM_SECMEM );
2059 6 : }
2060 :
2061 :
2062 : void
2063 3 : gpgsm_exit (int rc)
2064 : {
2065 3 : gcry_control (GCRYCTL_UPDATE_RANDOM_SEED_FILE);
2066 3 : if (opt.debug & DBG_MEMSTAT_VALUE)
2067 : {
2068 0 : gcry_control( GCRYCTL_DUMP_MEMORY_STATS );
2069 0 : gcry_control( GCRYCTL_DUMP_RANDOM_STATS );
2070 : }
2071 3 : if (opt.debug)
2072 0 : gcry_control (GCRYCTL_DUMP_SECMEM_STATS );
2073 3 : emergency_cleanup ();
2074 3 : rc = rc? rc : log_get_errorcount(0)? 2 : gpgsm_errors_seen? 1 : 0;
2075 3 : exit (rc);
2076 : }
2077 :
2078 :
2079 : void
2080 6 : gpgsm_init_default_ctrl (struct server_control_s *ctrl)
2081 : {
2082 6 : ctrl->include_certs = default_include_certs;
2083 6 : ctrl->use_ocsp = opt.enable_ocsp;
2084 6 : ctrl->validation_model = default_validation_model;
2085 6 : ctrl->offline = opt.disable_dirmngr;
2086 6 : }
2087 :
2088 :
2089 : int
2090 0 : gpgsm_parse_validation_model (const char *model)
2091 : {
2092 0 : if (!ascii_strcasecmp (model, "shell") )
2093 0 : return 0;
2094 0 : else if ( !ascii_strcasecmp (model, "chain") )
2095 0 : return 1;
2096 0 : else if ( !ascii_strcasecmp (model, "steed") )
2097 0 : return 2;
2098 : else
2099 0 : return -1;
2100 : }
2101 :
2102 :
2103 : /* Check whether the filename has the form "-&nnnn", where n is a
2104 : non-zero number. Returns this number or -1 if it is not the case. */
2105 : static int
2106 3 : check_special_filename (const char *fname, int for_write)
2107 : {
2108 3 : if (allow_special_filenames
2109 0 : && fname && *fname == '-' && fname[1] == '&' ) {
2110 : int i;
2111 :
2112 0 : fname += 2;
2113 0 : for (i=0; isdigit (fname[i]); i++ )
2114 : ;
2115 0 : if ( !fname[i] )
2116 0 : return translate_sys2libc_fd_int (atoi (fname), for_write);
2117 : }
2118 3 : return -1;
2119 : }
2120 :
2121 :
2122 :
2123 : /* Open the FILENAME for read and return the file descriptor. Stop
2124 : with an error message in case of problems. "-" denotes stdin and
2125 : if special filenames are allowed the given fd is opened instead. */
2126 : static int
2127 3 : open_read (const char *filename)
2128 : {
2129 : int fd;
2130 :
2131 3 : if (filename[0] == '-' && !filename[1])
2132 : {
2133 0 : set_binary (stdin);
2134 0 : return 0; /* stdin */
2135 : }
2136 3 : fd = check_special_filename (filename, 0);
2137 3 : if (fd != -1)
2138 0 : return fd;
2139 3 : fd = open (filename, O_RDONLY | O_BINARY);
2140 3 : if (fd == -1)
2141 : {
2142 0 : log_error (_("can't open '%s': %s\n"), filename, strerror (errno));
2143 0 : gpgsm_exit (2);
2144 : }
2145 3 : return fd;
2146 : }
2147 :
2148 : /* Same as open_read but return an estream_t. */
2149 : static estream_t
2150 0 : open_es_fread (const char *filename, const char *mode)
2151 : {
2152 : int fd;
2153 : estream_t fp;
2154 :
2155 0 : if (filename[0] == '-' && !filename[1])
2156 0 : fd = fileno (stdin);
2157 : else
2158 0 : fd = check_special_filename (filename, 0);
2159 0 : if (fd != -1)
2160 : {
2161 0 : fp = es_fdopen_nc (fd, mode);
2162 0 : if (!fp)
2163 : {
2164 0 : log_error ("es_fdopen(%d) failed: %s\n", fd, strerror (errno));
2165 0 : gpgsm_exit (2);
2166 : }
2167 0 : return fp;
2168 : }
2169 0 : fp = es_fopen (filename, mode);
2170 0 : if (!fp)
2171 : {
2172 0 : log_error (_("can't open '%s': %s\n"), filename, strerror (errno));
2173 0 : gpgsm_exit (2);
2174 : }
2175 0 : return fp;
2176 : }
2177 :
2178 :
2179 : /* Open FILENAME for fwrite and return an extended stream. Stop with
2180 : an error message in case of problems. "-" denotes stdout and if
2181 : special filenames are allowed the given fd is opened instead.
2182 : Caller must close the returned stream. */
2183 : static estream_t
2184 0 : open_es_fwrite (const char *filename)
2185 : {
2186 : int fd;
2187 : estream_t fp;
2188 :
2189 0 : if (filename[0] == '-' && !filename[1])
2190 : {
2191 0 : fflush (stdout);
2192 0 : fp = es_fdopen_nc (fileno(stdout), "wb");
2193 0 : return fp;
2194 : }
2195 :
2196 0 : fd = check_special_filename (filename, 1);
2197 0 : if (fd != -1)
2198 : {
2199 0 : fp = es_fdopen_nc (fd, "wb");
2200 0 : if (!fp)
2201 : {
2202 0 : log_error ("es_fdopen(%d) failed: %s\n", fd, strerror (errno));
2203 0 : gpgsm_exit (2);
2204 : }
2205 0 : return fp;
2206 : }
2207 0 : fp = es_fopen (filename, "wb");
2208 0 : if (!fp)
2209 : {
2210 0 : log_error (_("can't open '%s': %s\n"), filename, strerror (errno));
2211 0 : gpgsm_exit (2);
2212 : }
2213 0 : return fp;
2214 : }
2215 :
2216 :
2217 : static void
2218 0 : run_protect_tool (int argc, char **argv)
2219 : {
2220 : #ifdef HAVE_W32_SYSTEM
2221 : (void)argc;
2222 : (void)argv;
2223 : #else
2224 : const char *pgm;
2225 : char **av;
2226 : int i;
2227 :
2228 0 : if (!opt.protect_tool_program || !*opt.protect_tool_program)
2229 0 : pgm = gnupg_module_name (GNUPG_MODULE_NAME_PROTECT_TOOL);
2230 : else
2231 0 : pgm = opt.protect_tool_program;
2232 :
2233 0 : av = xcalloc (argc+2, sizeof *av);
2234 0 : av[0] = strrchr (pgm, '/');
2235 0 : if (!av[0])
2236 0 : av[0] = xstrdup (pgm);
2237 0 : for (i=1; argc; i++, argc--, argv++)
2238 0 : av[i] = *argv;
2239 0 : av[i] = NULL;
2240 0 : execv (pgm, av);
2241 0 : log_error ("error executing '%s': %s\n", pgm, strerror (errno));
2242 : #endif /*!HAVE_W32_SYSTEM*/
2243 0 : gpgsm_exit (2);
2244 0 : }
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