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/* g10.c - The GnuPG utility (main for gpg)
* Copyright (C) 1998,1999,2000,2001,2002 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#ifdef HAVE_DOSISH_SYSTEM
#include <fcntl.h> /* for setmode() */
#endif
#ifdef __riscos__
#include <unixlib/local.h>
#endif /* __riscos__ */
#define INCLUDED_BY_MAIN_MODULE 1
#include "packet.h"
#include "iobuf.h"
#include "memory.h"
#include "util.h"
#include "main.h"
#include "options.h"
#include "keydb.h"
#include "trustdb.h"
#include "mpi.h"
#include "cipher.h"
#include "filter.h"
#include "ttyio.h"
#include "i18n.h"
#include "status.h"
#include "g10defs.h"
#include "keyserver-internal.h"
enum cmd_and_opt_values { aNull = 0,
oArmor = 'a',
aDetachedSign = 'b',
aSym = 'c',
aDecrypt = 'd',
aEncr = 'e',
aEncrFiles,
oInteractive = 'i',
oKOption = 'k',
oDryRun = 'n',
oOutput = 'o',
oQuiet = 'q',
oRecipient = 'r',
aSign = 's',
oTextmodeShort= 't',
oUser = 'u',
oVerbose = 'v',
oCompress = 'z',
oNotation = 'N',
oShowNotation,
oNoShowNotation,
oBatch = 500,
aDecryptFiles,
aClearsign,
aStore,
aKeygen,
aSignEncr,
aSignSym,
aSignKey,
aLSignKey,
aNRSignKey,
aNRLSignKey,
aListPackets,
aEditKey,
aDeleteKeys,
aDeleteSecretKeys,
aDeleteSecretAndPublicKeys,
aKMode,
aKModeC,
aImport,
aFastImport,
aVerify,
aVerifyFiles,
aListKeys,
aListSigs,
aListSecretKeys,
aSendKeys,
aRecvKeys,
aSearchKeys,
aExport,
aExportAll,
aExportSecret,
aExportSecretSub,
aCheckKeys,
aGenRevoke,
aPrimegen,
aPrintMD,
aPrintMDs,
aCheckTrustDB,
aUpdateTrustDB,
aFixTrustDB,
aListTrustDB,
aListTrustPath,
aExportOwnerTrust,
aImportOwnerTrust,
aDeArmor,
aEnArmor,
aGenRandom,
aPipeMode,
aRebuildKeydbCaches,
aRefreshKeys,
oTextmode,
oExpert,
oNoExpert,
oAskSigExpire,
oNoAskSigExpire,
oAskCertExpire,
oNoAskCertExpire,
oFingerprint,
oWithFingerprint,
oAnswerYes,
oAnswerNo,
oDefCheckLevel,
oKeyring,
oSecretKeyring,
oShowKeyring,
oDefaultKey,
oDefRecipient,
oDefRecipientSelf,
oNoDefRecipient,
oOptions,
oDebug,
oDebugAll,
oStatusFD,
#ifdef __riscos__
oStatusFile,
#endif /* __riscos__ */
oNoComment,
oNoVersion,
oEmitVersion,
oCompletesNeeded,
oMarginalsNeeded,
oMaxCertDepth,
oLoadExtension,
oRFC1991,
oOpenPGP,
oPGP2,
oNoPGP2,
oPGP6,
oNoPGP6,
oCipherAlgo,
oDigestAlgo,
oCompressAlgo,
oPasswdFD,
#ifdef __riscos__
oPasswdFile,
#endif /* __riscos__ */
oCommandFD,
#ifdef __riscos__
oCommandFile,
#endif /* __riscos__ */
oQuickRandom,
oNoVerbose,
oTrustDBName,
oNoSecmemWarn,
oNoPermissionWarn,
oNoArmor,
oNoDefKeyring,
oNoGreeting,
oNoTTY,
oNoOptions,
oNoBatch,
oHomedir,
oWithColons,
oWithKeyData,
oSkipVerify,
oCompressKeys,
oCompressSigs,
oAlwaysTrust,
oEmuChecksumBug,
oRunAsShmCP,
oSetFilename,
oForYourEyesOnly,
oNoForYourEyesOnly,
oSetPolicyURL,
oSigPolicyURL,
oCertPolicyURL,
oShowPolicyURL,
oNoShowPolicyURL,
oUseEmbeddedFilename,
oComment,
oDefaultComment,
oThrowKeyid,
oShowPhotos,
oNoShowPhotos,
oPhotoViewer,
oForceV3Sigs,
oNoForceV3Sigs,
oForceV4Certs,
oNoForceV4Certs,
oForceMDC,
oNoForceMDC,
oDisableMDC,
oNoDisableMDC,
oS2KMode,
oS2KDigest,
oS2KCipher,
oSimpleSKChecksum,
oCharset,
oNotDashEscaped,
oEscapeFrom,
oNoEscapeFrom,
oLockOnce,
oLockMultiple,
oLockNever,
oKeyServer,
oKeyServerOptions,
oTempDir,
oExecPath,
oEncryptTo,
oNoEncryptTo,
oLoggerFD,
#ifdef __riscos__
oLoggerFile,
#endif /* __riscos__ */
oUtf8Strings,
oNoUtf8Strings,
oDisableCipherAlgo,
oDisablePubkeyAlgo,
oAllowNonSelfsignedUID,
oNoAllowNonSelfsignedUID,
oAllowFreeformUID,
oAllowSecretKeyImport,
oEnableSpecialFilenames,
oNoLiteral,
oSetFilesize,
oHonorHttpProxy,
oFastListMode,
oListOnly,
oIgnoreTimeConflict,
oIgnoreValidFrom,
oIgnoreCrcError,
oShowSessionKey,
oOverrideSessionKey,
oNoRandomSeedFile,
oAutoKeyRetrieve,
oNoAutoKeyRetrieve,
oUseAgent,
oNoUseAgent,
oGpgAgentInfo,
oMergeOnly,
oTryAllSecrets,
oTrustedKey,
oNoExpensiveTrustChecks,
oFixedListMode,
oNoSigCache,
oNoSigCreateCheck,
oNoAutoCheckTrustDB,
oPreservePermissions,
oPreferenceList,
oEmu3DESS2KBug, /* will be removed in 1.1 */
oEmuMDEncodeBug,
aTest };
static ARGPARSE_OPTS opts[] = {
{ 300, NULL, 0, N_("@Commands:\n ") },
{ aSign, "sign", 256, N_("|[file]|make a signature")},
{ aClearsign, "clearsign", 256, N_("|[file]|make a clear text signature") },
{ aDetachedSign, "detach-sign", 256, N_("make a detached signature")},
{ aEncr, "encrypt", 256, N_("encrypt data")},
{ aEncrFiles, "encrypt-files", 256, N_("|[files]|encrypt files")},
{ aSym, "symmetric", 256, N_("encryption only with symmetric cipher")},
{ aStore, "store", 256, N_("store only")},
{ aDecrypt, "decrypt", 256, N_("decrypt data (default)")},
{ aDecryptFiles, "decrypt-files", 256, N_("|[files]|decrypt files")},
{ aVerify, "verify" , 256, N_("verify a signature")},
{ aVerifyFiles, "verify-files" , 256, "@" },
{ aListKeys, "list-keys", 256, N_("list keys")},
{ aListKeys, "list-public-keys", 256, "@" },
{ aListSigs, "list-sigs", 256, N_("list keys and signatures")},
{ aCheckKeys, "check-sigs",256, N_("check key signatures")},
{ oFingerprint, "fingerprint", 256, N_("list keys and fingerprints")},
{ aListSecretKeys, "list-secret-keys", 256, N_("list secret keys")},
{ aKeygen, "gen-key", 256, N_("generate a new key pair")},
{ aDeleteKeys,"delete-keys",256,N_("remove keys from the public keyring")},
{ aDeleteSecretKeys, "delete-secret-keys",256,
N_("remove keys from the secret keyring")},
{ aSignKey, "sign-key" ,256, N_("sign a key")},
{ aLSignKey, "lsign-key" ,256, N_("sign a key locally")},
{ aNRSignKey, "nrsign-key" ,256, N_("sign a key non-revocably")},
{ aNRLSignKey, "nrlsign-key" ,256, N_("sign a key locally and non-revocably")},
{ aEditKey, "edit-key" ,256, N_("sign or edit a key")},
{ aGenRevoke, "gen-revoke",256, N_("generate a revocation certificate")},
{ aExport, "export" , 256, N_("export keys") },
{ aSendKeys, "send-keys" , 256, N_("export keys to a key server") },
{ aRecvKeys, "recv-keys" , 256, N_("import keys from a key server") },
{ aSearchKeys, "search-keys" , 256,
N_("search for keys on a key server") },
{ aRefreshKeys, "refresh-keys", 256,
N_("update all keys from a keyserver")},
{ aExportAll, "export-all" , 256, "@" },
{ aExportSecret, "export-secret-keys" , 256, "@" },
{ aExportSecretSub, "export-secret-subkeys" , 256, "@" },
{ aImport, "import", 256 , N_("import/merge keys")},
{ aFastImport, "fast-import", 256 , "@"},
{ aListPackets, "list-packets",256,N_("list only the sequence of packets")},
{ aExportOwnerTrust,
"export-ownertrust", 256, N_("export the ownertrust values")},
{ aImportOwnerTrust,
"import-ownertrust", 256 , N_("import ownertrust values")},
{ aUpdateTrustDB,
"update-trustdb",0 , N_("update the trust database")},
{ aCheckTrustDB,
"check-trustdb",0 , N_("unattended trust database update")},
{ aFixTrustDB, "fix-trustdb",0 , N_("fix a corrupted trust database")},
{ aDeArmor, "dearmor", 256, N_("De-Armor a file or stdin") },
{ aDeArmor, "dearmour", 256, "@" },
{ aEnArmor, "enarmor", 256, N_("En-Armor a file or stdin") },
{ aEnArmor, "enarmour", 256, "@" },
{ aPrintMD, "print-md" , 256, N_("|algo [files]|print message digests")},
{ aPrimegen, "gen-prime" , 256, "@" },
{ aGenRandom, "gen-random" , 256, "@" },
{ 301, NULL, 0, N_("@\nOptions:\n ") },
{ oArmor, "armor", 0, N_("create ascii armored output")},
{ oArmor, "armour", 0, "@" },
{ oRecipient, "recipient", 2, N_("|NAME|encrypt for NAME")},
{ oRecipient, "remote-user", 2, "@"}, /* old option name */
{ oDefRecipient, "default-recipient" ,2,
N_("|NAME|use NAME as default recipient")},
{ oDefRecipientSelf, "default-recipient-self" ,0,
N_("use the default key as default recipient")},
{ oNoDefRecipient, "no-default-recipient", 0, "@" },
{ oTempDir, "temp-directory", 2, "@" },
{ oExecPath, "exec-path", 2, "@" },
{ oEncryptTo, "encrypt-to", 2, "@" },
{ oNoEncryptTo, "no-encrypt-to", 0, "@" },
{ oUser, "local-user",2, N_("use this user-id to sign or decrypt")},
{ oCompress, NULL, 1, N_("|N|set compress level N (0 disables)") },
{ oTextmodeShort, NULL, 0, "@"},
{ oTextmode, "textmode", 0, N_("use canonical text mode")},
{ oExpert, "expert", 0, "@"},
{ oNoExpert, "no-expert", 0, "@"},
{ oAskSigExpire, "ask-sig-expire", 0, "@"},
{ oNoAskSigExpire, "no-ask-sig-expire", 0, "@"},
{ oAskCertExpire, "ask-cert-expire", 0, "@"},
{ oNoAskCertExpire, "no-ask-cert-expire", 0, "@"},
{ oOutput, "output", 2, N_("use as output file")},
{ oVerbose, "verbose", 0, N_("verbose") },
{ oQuiet, "quiet", 0, N_("be somewhat more quiet") },
{ oNoTTY, "no-tty", 0, N_("don't use the terminal at all") },
{ oForceV3Sigs, "force-v3-sigs", 0, N_("force v3 signatures") },
{ oNoForceV3Sigs, "no-force-v3-sigs", 0, N_("do not force v3 signatures") },
{ oForceV4Certs, "force-v4-certs", 0, N_("force v4 key signatures") },
{ oNoForceV4Certs, "no-force-v4-certs", 0, N_("do not force v4 key signatures") },
{ oForceMDC, "force-mdc", 0, N_("always use a MDC for encryption") },
{ oNoForceMDC, "no-force-mdc", 0, "@" },
{ oDisableMDC, "disable-mdc", 0, N_("never use a MDC for encryption") },
{ oNoDisableMDC, "no-disable-mdc", 0, "@" },
{ oDryRun, "dry-run", 0, N_("do not make any changes") },
/*{ oInteractive, "interactive", 0, N_("prompt before overwriting") }, */
{ oUseAgent, "use-agent",0, N_("use the gpg-agent")},
{ oNoUseAgent, "no-use-agent",0, "@"},
{ oGpgAgentInfo, "gpg-agent-info",2, "@"},
{ oBatch, "batch", 0, N_("batch mode: never ask")},
{ oAnswerYes, "yes", 0, N_("assume yes on most questions")},
{ oAnswerNo, "no", 0, N_("assume no on most questions")},
{ oKeyring, "keyring" ,2, N_("add this keyring to the list of keyrings")},
{ oSecretKeyring, "secret-keyring" ,2, N_("add this secret keyring to the list")},
{ oShowKeyring, "show-keyring", 0, N_("show which keyring a listed key is on")},
{ oDefaultKey, "default-key" ,2, N_("|NAME|use NAME as default secret key")},
{ oKeyServer, "keyserver",2, N_("|HOST|use this keyserver to lookup keys")},
{ oKeyServerOptions, "keyserver-options",2,"@"},
{ oCharset, "charset" , 2, N_("|NAME|set terminal charset to NAME") },
{ oOptions, "options" , 2, N_("read options from file")},
{ oDebug, "debug" ,4|16, "@"},
{ oDebugAll, "debug-all" ,0, "@"},
{ oStatusFD, "status-fd" ,1, N_("|FD|write status info to this FD") },
#ifdef __riscos__
{ oStatusFile, "status-file" ,2, N_("|[file]|write status info to file") },
#endif /* __riscos__ */
{ oNoComment, "no-comment", 0, "@"},
{ oCompletesNeeded, "completes-needed", 1, "@"},
{ oMarginalsNeeded, "marginals-needed", 1, "@"},
{ oMaxCertDepth, "max-cert-depth", 1, "@" },
{ oTrustedKey, "trusted-key", 2, N_("|KEYID|ultimately trust this key")},
{ oLoadExtension, "load-extension" ,2, N_("|FILE|load extension module FILE")},
{ oRFC1991, "rfc1991", 0, N_("emulate the mode described in RFC1991")},
{ oOpenPGP, "openpgp", 0, N_("set all packet, cipher and digest options to OpenPGP behavior")},
{ oPGP2, "pgp2", 0, N_("set all packet, cipher and digest options to PGP 2.x behavior")},
{ oNoPGP2, "no-pgp2", 0, "@"},
{ oPGP6, "pgp6", 0, "@"},
{ oNoPGP6, "no-pgp6", 0, "@"},
{ oS2KMode, "s2k-mode", 1, N_("|N|use passphrase mode N")},
{ oS2KDigest, "s2k-digest-algo",2,
N_("|NAME|use message digest algorithm NAME for passphrases")},
{ oS2KCipher, "s2k-cipher-algo",2,
N_("|NAME|use cipher algorithm NAME for passphrases")},
{ oSimpleSKChecksum, "simple-sk-checksum", 0, "@"},
{ oCipherAlgo, "cipher-algo", 2 , N_("|NAME|use cipher algorithm NAME")},
{ oDigestAlgo, "digest-algo", 2 , N_("|NAME|use message digest algorithm NAME")},
{ oCompressAlgo, "compress-algo", 1 , N_("|N|use compress algorithm N")},
{ oThrowKeyid, "throw-keyid", 0, N_("throw keyid field of encrypted packets")},
{ oShowPhotos, "show-photos", 0, N_("Show Photo IDs")},
{ oNoShowPhotos, "no-show-photos", 0, N_("Don't show Photo IDs")},
{ oPhotoViewer, "photo-viewer", 2, N_("Set command line to view Photo IDs")},
{ oNotation, "notation-data", 2, N_("|NAME=VALUE|use this notation data")},
{ 302, NULL, 0, N_(
"@\n(See the man page for a complete listing of all commands and options)\n"
)},
{ 303, NULL, 0, N_("@\nExamples:\n\n"
" -se -r Bob [file] sign and encrypt for user Bob\n"
" --clearsign [file] make a clear text signature\n"
" --detach-sign [file] make a detached signature\n"
" --list-keys [names] show keys\n"
" --fingerprint [names] show fingerprints\n" ) },
/* hidden options */
{ aExportOwnerTrust, "list-ownertrust",0 , "@"}, /* alias */
{ aPrintMDs, "print-mds" , 256, "@"}, /* old */
{ aListTrustDB, "list-trustdb",0 , "@"},
{ aListTrustPath, "list-trust-path",0, "@"},
{ aPipeMode, "pipemode", 0, "@" },
{ oKOption, NULL, 0, "@"},
{ oPasswdFD, "passphrase-fd",1, "@" },
#ifdef __riscos__
{ oPasswdFile, "passphrase-file",2, "@" },
#endif /* __riscos__ */
{ oCommandFD, "command-fd",1, "@" },
#ifdef __riscos__
{ oCommandFile, "command-file",2, "@" },
#endif /* __riscos__ */
{ oQuickRandom, "quick-random", 0, "@"},
{ oNoVerbose, "no-verbose", 0, "@"},
{ oTrustDBName, "trustdb-name", 2, "@" },
{ oNoSecmemWarn, "no-secmem-warning", 0, "@" }, /* used only by regression tests */
{ oNoPermissionWarn, "no-permission-warning", 0, "@" },
{ oNoArmor, "no-armor", 0, "@"},
{ oNoArmor, "no-armour", 0, "@"},
{ oNoDefKeyring, "no-default-keyring", 0, "@" },
{ oNoGreeting, "no-greeting", 0, "@" },
{ oNoOptions, "no-options", 0, "@" }, /* shortcut for --options /dev/null */
{ oHomedir, "homedir", 2, "@" }, /* defaults to "~/.gnupg" */
{ oNoBatch, "no-batch", 0, "@" },
{ oWithColons, "with-colons", 0, "@"},
{ oWithKeyData,"with-key-data", 0, "@"},
{ aListKeys, "list-key", 0, "@" }, /* alias */
{ aListSigs, "list-sig", 0, "@" }, /* alias */
{ aCheckKeys, "check-sig",0, "@" }, /* alias */
{ oSkipVerify, "skip-verify",0, "@" },
{ oCompressKeys, "compress-keys",0, "@"},
{ oCompressSigs, "compress-sigs",0, "@"},
{ oDefCheckLevel, "default-check-level", 1, "@"},
{ oAlwaysTrust, "always-trust", 0, "@"},
{ oEmuChecksumBug, "emulate-checksum-bug", 0, "@"},
{ oRunAsShmCP, "run-as-shm-coprocess", 4, "@" },
{ oSetFilename, "set-filename", 2, "@" },
{ oForYourEyesOnly, "for-your-eyes-only", 0, "@" },
{ oNoForYourEyesOnly, "no-for-your-eyes-only", 0, "@" },
{ oSetPolicyURL, "set-policy-url", 2, "@" },
{ oSigPolicyURL, "sig-policy-url", 2, "@" },
{ oCertPolicyURL, "cert-policy-url", 2, "@" },
{ oShowPolicyURL, "show-policy-url", 0, "@" },
{ oNoShowPolicyURL, "no-show-policy-url", 0, "@" },
{ oShowNotation, "show-notation", 0, "@" },
{ oNoShowNotation, "no-show-notation", 0, "@" },
{ oComment, "comment", 2, "@" },
{ oDefaultComment, "default-comment", 0, "@" },
{ oNoVersion, "no-version", 0, "@"},
{ oEmitVersion, "emit-version", 0, "@"},
{ oNotDashEscaped, "not-dash-escaped", 0, "@" },
{ oEscapeFrom, "escape-from-lines", 0, "@" },
{ oNoEscapeFrom, "no-escape-from-lines", 0, "@" },
{ oLockOnce, "lock-once", 0, "@" },
{ oLockMultiple, "lock-multiple", 0, "@" },
{ oLockNever, "lock-never", 0, "@" },
{ oLoggerFD, "logger-fd",1, "@" },
#ifdef __riscos__
{ oLoggerFile, "logger-file",2, "@" },
#endif /* __riscos__ */
{ oUseEmbeddedFilename, "use-embedded-filename", 0, "@" },
{ oUtf8Strings, "utf8-strings", 0, "@" },
{ oNoUtf8Strings, "no-utf8-strings", 0, "@" },
{ oWithFingerprint, "with-fingerprint", 0, "@" },
{ oDisableCipherAlgo, "disable-cipher-algo", 2, "@" },
{ oDisablePubkeyAlgo, "disable-pubkey-algo", 2, "@" },
{ oAllowNonSelfsignedUID, "allow-non-selfsigned-uid", 0, "@" },
{ oNoAllowNonSelfsignedUID, "no-allow-non-selfsigned-uid", 0, "@" },
{ oAllowFreeformUID, "allow-freeform-uid", 0, "@" },
{ oNoLiteral, "no-literal", 0, "@" },
{ oSetFilesize, "set-filesize", 20, "@" },
{ oHonorHttpProxy,"honor-http-proxy", 0, "@" },
{ oFastListMode,"fast-list-mode", 0, "@" },
{ oFixedListMode,"fixed-list-mode", 0, "@" },
{ oListOnly, "list-only", 0, "@"},
{ oIgnoreTimeConflict, "ignore-time-conflict", 0, "@" },
{ oIgnoreValidFrom, "ignore-valid-from", 0, "@" },
{ oIgnoreCrcError, "ignore-crc-error", 0,"@" },
{ oShowSessionKey, "show-session-key", 0, "@" },
{ oOverrideSessionKey, "override-session-key", 2, "@" },
{ oNoRandomSeedFile, "no-random-seed-file", 0, "@" },
{ oAutoKeyRetrieve, "auto-key-retrieve", 0, "@" },
{ oNoAutoKeyRetrieve, "no-auto-key-retrieve", 0, "@" },
{ oNoSigCache, "no-sig-cache", 0, "@" },
{ oNoSigCreateCheck, "no-sig-create-check", 0, "@" },
{ oNoAutoCheckTrustDB, "no-auto-check-trustdb", 0, "@"},
{ oMergeOnly, "merge-only", 0, "@" },
{ oAllowSecretKeyImport, "allow-secret-key-import", 0, "@" },
{ oTryAllSecrets, "try-all-secrets", 0, "@" },
{ oEnableSpecialFilenames, "enable-special-filenames", 0, "@" },
{ oNoExpensiveTrustChecks, "no-expensive-trust-checks", 0, "@" },
{ aDeleteSecretAndPublicKeys, "delete-secret-and-public-keys",256, "@" },
{ aRebuildKeydbCaches, "rebuild-keydb-caches", 256, "@"},
{ oPreservePermissions, "preserve-permissions", 0, "@"},
{ oPreferenceList, "preference-list", 2, "@"},
{ oEmu3DESS2KBug, "emulate-3des-s2k-bug", 0, "@"},
{ oEmuMDEncodeBug, "emulate-md-encode-bug", 0, "@"},
{0} };
int g10_errors_seen = 0;
static int utf8_strings = 0;
static int maybe_setuid = 1;
static char *build_list( const char *text,
const char *(*mapf)(int), int (*chkf)(int) );
static void set_cmd( enum cmd_and_opt_values *ret_cmd,
enum cmd_and_opt_values new_cmd );
static void print_hex( byte *p, size_t n );
static void print_mds( const char *fname, int algo );
static void add_notation_data( const char *string );
static int check_policy_url( const char *s );
const char *
strusage( int level )
{
static char *digests, *pubkeys, *ciphers;
const char *p;
switch( level ) {
case 11: p = "gpg (GnuPG)";
break;
case 13: p = VERSION; break;
case 17: p = PRINTABLE_OS_NAME; break;
case 19: p =
_("Please report bugs to <gnupg-bugs@gnu.org>.\n");
break;
case 1:
case 40: p =
_("Usage: gpg [options] [files] (-h for help)");
break;
case 41: p =
_("Syntax: gpg [options] [files]\n"
"sign, check, encrypt or decrypt\n"
"default operation depends on the input data\n");
break;
case 31: p = "\nHome: "; break;
#ifndef __riscos__
case 32: p = opt.homedir; break;
#else /* __riscos__ */
case 32: p = make_filename(opt.homedir, NULL); break;
#endif /* __riscos__ */
case 33: p = _("\nSupported algorithms:\n"); break;
case 34:
if( !ciphers )
ciphers = build_list("Cipher: ", cipher_algo_to_string,
check_cipher_algo );
p = ciphers;
break;
case 35:
if( !pubkeys )
pubkeys = build_list("Pubkey: ", pubkey_algo_to_string,
check_pubkey_algo );
p = pubkeys;
break;
case 36:
if( !digests )
digests = build_list("Hash: ", digest_algo_to_string,
check_digest_algo );
p = digests;
break;
default: p = default_strusage(level);
}
return p;
}
static char *
build_list( const char *text, const char * (*mapf)(int), int (*chkf)(int) )
{
int i;
const char *s;
size_t n=strlen(text)+2;
char *list, *p;
if( maybe_setuid )
secmem_init( 0 ); /* drop setuid */
for(i=1; i <= 110; i++ )
if( !chkf(i) && (s=mapf(i)) )
n += strlen(s) + 2;
list = m_alloc( 21 + n ); *list = 0;
for(p=NULL, i=1; i <= 110; i++ ) {
if( !chkf(i) && (s=mapf(i)) ) {
if( !p )
p = stpcpy( list, text );
else
p = stpcpy( p, ", ");
p = stpcpy(p, s );
}
}
if( p )
p = stpcpy(p, "\n" );
return list;
}
static void
i18n_init(void)
{
#ifdef USE_SIMPLE_GETTEXT
set_gettext_file( PACKAGE );
#else
#ifdef ENABLE_NLS
setlocale( LC_ALL, "" );
bindtextdomain( PACKAGE, G10_LOCALEDIR );
textdomain( PACKAGE );
#endif
#endif
}
static void
wrong_args( const char *text)
{
fputs(_("usage: gpg [options] "),stderr);
fputs(text,stderr);
putc('\n',stderr);
g10_exit(2);
}
static char *
make_username( const char *string )
{
char *p;
if( utf8_strings )
p = m_strdup(string);
else
p = native_to_utf8( string );
return p;
}
static void
set_debug(void)
{
if( opt.debug & DBG_MEMORY_VALUE )
memory_debug_mode = 1;
if( opt.debug & DBG_MEMSTAT_VALUE )
memory_stat_debug_mode = 1;
if( opt.debug & DBG_MPI_VALUE )
mpi_debug_mode = 1;
if( opt.debug & DBG_CIPHER_VALUE )
g10c_debug_mode = 1;
if( opt.debug & DBG_IOBUF_VALUE )
iobuf_debug_mode = 1;
}
static void
set_cmd( enum cmd_and_opt_values *ret_cmd, enum cmd_and_opt_values new_cmd )
{
enum cmd_and_opt_values cmd = *ret_cmd;
if( !cmd || cmd == new_cmd )
cmd = new_cmd;
else if( cmd == aSign && new_cmd == aEncr )
cmd = aSignEncr;
else if( cmd == aEncr && new_cmd == aSign )
cmd = aSignEncr;
else if( cmd == aSign && new_cmd == aSym )
cmd = aSignSym;
else if( cmd == aSym && new_cmd == aSign )
cmd = aSignSym;
else if( cmd == aKMode && new_cmd == aSym )
cmd = aKModeC;
else if( ( cmd == aSign && new_cmd == aClearsign )
|| ( cmd == aClearsign && new_cmd == aSign ) )
cmd = aClearsign;
else {
log_error(_("conflicting commands\n"));
g10_exit(2);
}
*ret_cmd = cmd;
}
int
main( int argc, char **argv )
{
ARGPARSE_ARGS pargs;
IOBUF a;
int rc=0;
int orig_argc;
char **orig_argv;
const char *fname;
char *username;
STRLIST unsafe_files=NULL;
STRLIST extensions=NULL;
int may_coredump;
STRLIST sl, remusr= NULL, locusr=NULL;
STRLIST nrings=NULL, sec_nrings=NULL;
armor_filter_context_t afx;
int detached_sig = 0;
FILE *configfp = NULL;
char *configname = NULL;
unsigned configlineno;
int parse_debug = 0;
int default_config = 1;
int default_keyring = 1;
int greeting = 0;
int nogreeting = 0;
int use_random_seed = 1;
enum cmd_and_opt_values cmd = 0;
const char *trustdb_name = NULL;
char *def_cipher_string = NULL;
char *def_digest_string = NULL;
char *s2k_cipher_string = NULL;
char *s2k_digest_string = NULL;
char *preference_list = NULL;
int eyes_only=0;
int pwfd = -1;
int with_fpr = 0; /* make an option out of --fingerprint */
int any_explicit_recipient = 0;
#ifdef USE_SHM_COPROCESSING
ulong requested_shm_size=0;
#endif
#ifdef __riscos__
/* set global RISC OS specific properties */
__riscosify_control = __RISCOSIFY_NO_PROCESS;
opt.lock_once = 1;
#endif /* __riscos__ */
trap_unaligned();
secmem_set_flags( secmem_get_flags() | 2 ); /* suspend warnings */
/* Please note that we may running SUID(ROOT), so be very CAREFUL
* when adding any stuff between here and the call to
* secmem_init() somewhere after the option parsing
*/
log_set_name("gpg");
secure_random_alloc(); /* put random number into secure memory */
may_coredump = disable_core_dumps();
init_signals();
create_dotlock(NULL); /* register locking cleanup */
i18n_init();
opt.command_fd = -1; /* no command fd */
opt.compress = -1; /* defaults to standard compress level */
/* note: if you change these lines, look at oOpenPGP */
opt.def_cipher_algo = 0;
opt.def_digest_algo = 0;
opt.def_compress_algo = 1;
opt.s2k_mode = 3; /* iterated+salted */
opt.s2k_digest_algo = DIGEST_ALGO_SHA1;
opt.s2k_cipher_algo = CIPHER_ALGO_CAST5;
opt.completes_needed = 1;
opt.marginals_needed = 3;
opt.max_cert_depth = 5;
opt.pgp2_workarounds = 1;
opt.force_v3_sigs = 1;
opt.escape_from = 1;
#if defined (__MINGW32__) || defined (__CYGWIN32__)
opt.homedir = read_w32_registry_string( NULL, "Software\\GNU\\GnuPG", "HomeDir" );
#else
opt.homedir = getenv("GNUPGHOME");
#endif
if( !opt.homedir || !*opt.homedir ) {
opt.homedir = GNUPG_HOMEDIR;
}
/* check whether we have a config file on the commandline */
orig_argc = argc;
orig_argv = argv;
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1|(1<<6); /* do not remove the args, ignore version */
while( arg_parse( &pargs, opts) ) {
if( pargs.r_opt == oDebug || pargs.r_opt == oDebugAll )
parse_debug++;
else if( pargs.r_opt == oOptions ) {
/* yes there is one, so we do not try the default one, but
* read the option file when it is encountered at the commandline
*/
default_config = 0;
}
else if( pargs.r_opt == oNoOptions )
default_config = 0; /* --no-options */
else if( pargs.r_opt == oHomedir )
opt.homedir = pargs.r.ret_str;
#ifdef USE_SHM_COPROCESSING
else if( pargs.r_opt == oRunAsShmCP ) {
/* does not make sense in a options file, we do it here,
* so that we are the able to drop setuid as soon as possible */
opt.shm_coprocess = 1;
requested_shm_size = pargs.r.ret_ulong;
}
else if ( pargs.r_opt == oStatusFD ) {
/* this is needed to ensure that the status-fd filedescriptor is
* initialized when init_shm_coprocessing() is called */
set_status_fd( iobuf_translate_file_handle (pargs.r.ret_int, 1) );
}
#endif
}
#ifdef HAVE_DOSISH_SYSTEM
if ( strchr (opt.homedir,'\\') ) {
char *d, *buf = m_alloc (strlen (opt.homedir)+1);
const char *s = opt.homedir;
for (d=buf,s=opt.homedir; *s; s++)
*d++ = *s == '\\'? '/': *s;
*d = 0;
opt.homedir = buf;
}
#endif
#undef USE_SHM_COPROCESSING /* huh? */
#ifdef USE_SHM_COPROCESSING
if( opt.shm_coprocess ) {
init_shm_coprocessing(requested_shm_size, 1 );
}
#endif
/* initialize the secure memory. */
secmem_init( 16384 );
maybe_setuid = 0;
/* Okay, we are now working under our real uid */
if( default_config )
configname = make_filename(opt.homedir, "options", NULL );
argc = orig_argc;
argv = orig_argv;
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags= 1; /* do not remove the args */
next_pass:
if( configname ) {
if(check_permissions(configname,0,1))
{
add_to_strlist(&unsafe_files,configname);
/* If any options file is unsafe, then disable any external
programs for keyserver calls or photo IDs. Since the
external program to call is set in the options file, a
unsafe options file can lead to an arbitrary program
being run. */
opt.exec_disable=1;
}
configlineno = 0;
configfp = fopen( configname, "r" );
if( !configfp ) {
if( default_config ) {
if( parse_debug )
log_info(_("NOTE: no default option file `%s'\n"),
configname );
}
else {
log_error(_("option file `%s': %s\n"),
configname, strerror(errno) );
g10_exit(2);
}
m_free(configname); configname = NULL;
}
if( parse_debug && configname )
log_info(_("reading options from `%s'\n"), configname );
default_config = 0;
}
while( optfile_parse( configfp, configname, &configlineno,
&pargs, opts) ) {
switch( pargs.r_opt ) {
case aCheckKeys: set_cmd( &cmd, aCheckKeys); break;
case aListPackets: set_cmd( &cmd, aListPackets); break;
case aImport: set_cmd( &cmd, aImport); break;
case aFastImport: set_cmd( &cmd, aFastImport); break;
case aSendKeys: set_cmd( &cmd, aSendKeys); break;
case aRecvKeys: set_cmd( &cmd, aRecvKeys); break;
case aSearchKeys: set_cmd( &cmd, aSearchKeys); break;
case aRefreshKeys: set_cmd( &cmd, aRefreshKeys); break;
case aExport: set_cmd( &cmd, aExport); break;
case aExportAll: set_cmd( &cmd, aExportAll); break;
case aListKeys: set_cmd( &cmd, aListKeys); break;
case aListSigs: set_cmd( &cmd, aListSigs); break;
case aExportSecret: set_cmd( &cmd, aExportSecret); break;
case aExportSecretSub: set_cmd( &cmd, aExportSecretSub); break;
case aDeleteSecretKeys: set_cmd( &cmd, aDeleteSecretKeys);
greeting=1; break;
case aDeleteSecretAndPublicKeys:
set_cmd( &cmd, aDeleteSecretAndPublicKeys);
greeting=1;
break;
case aDeleteKeys: set_cmd( &cmd, aDeleteKeys); greeting=1; break;
case aDetachedSign: detached_sig = 1; set_cmd( &cmd, aSign ); break;
case aSym: set_cmd( &cmd, aSym); break;
case aDecrypt: set_cmd( &cmd, aDecrypt); break;
case aDecryptFiles: set_cmd( &cmd, aDecryptFiles); break;
case aEncr: set_cmd( &cmd, aEncr); break;
case aEncrFiles: set_cmd( &cmd, aEncrFiles ); break;
case aSign: set_cmd( &cmd, aSign ); break;
case aKeygen: set_cmd( &cmd, aKeygen); greeting=1; break;
case aSignKey: set_cmd( &cmd, aSignKey); break;
case aLSignKey: set_cmd( &cmd, aLSignKey); break;
case aNRSignKey: set_cmd( &cmd, aNRSignKey); break;
case aNRLSignKey: set_cmd( &cmd, aNRLSignKey); break;
case aStore: set_cmd( &cmd, aStore); break;
case aEditKey: set_cmd( &cmd, aEditKey); greeting=1; break;
case aClearsign: set_cmd( &cmd, aClearsign); break;
case aGenRevoke: set_cmd( &cmd, aGenRevoke); break;
case aVerify: set_cmd( &cmd, aVerify); break;
case aVerifyFiles: set_cmd( &cmd, aVerifyFiles); break;
case aPrimegen: set_cmd( &cmd, aPrimegen); break;
case aGenRandom: set_cmd( &cmd, aGenRandom); break;
case aPrintMD: set_cmd( &cmd, aPrintMD); break;
case aPrintMDs: set_cmd( &cmd, aPrintMDs); break;
case aListTrustDB: set_cmd( &cmd, aListTrustDB); break;
case aCheckTrustDB: set_cmd( &cmd, aCheckTrustDB); break;
case aUpdateTrustDB: set_cmd( &cmd, aUpdateTrustDB); break;
case aFixTrustDB: set_cmd( &cmd, aFixTrustDB); break;
case aListTrustPath: set_cmd( &cmd, aListTrustPath); break;
case aDeArmor: set_cmd( &cmd, aDeArmor); break;
case aEnArmor: set_cmd( &cmd, aEnArmor); break;
case aExportOwnerTrust: set_cmd( &cmd, aExportOwnerTrust); break;
case aImportOwnerTrust: set_cmd( &cmd, aImportOwnerTrust); break;
case aPipeMode: set_cmd( &cmd, aPipeMode); break;
case aRebuildKeydbCaches: set_cmd( &cmd, aRebuildKeydbCaches); break;
case oArmor: opt.armor = 1; opt.no_armor=0; break;
case oOutput: opt.outfile = pargs.r.ret_str; break;
case oQuiet: opt.quiet = 1; break;
case oNoTTY: tty_no_terminal(1); break;
case oDryRun: opt.dry_run = 1; break;
case oInteractive: opt.interactive = 1; break;
case oVerbose: g10_opt_verbose++;
opt.verbose++; opt.list_sigs=1; break;
case oKOption: set_cmd( &cmd, aKMode ); break;
case oBatch: opt.batch = 1; nogreeting = 1; break;
case oUseAgent:
#ifndef __riscos__
opt.use_agent = 1;
#else /* __riscos__ */
opt.use_agent = 0;
not_implemented("use-agent");
#endif /* __riscos__ */
break;
case oNoUseAgent: opt.use_agent = 0; break;
case oGpgAgentInfo: opt.gpg_agent_info = pargs.r.ret_str; break;
case oAnswerYes: opt.answer_yes = 1; break;
case oAnswerNo: opt.answer_no = 1; break;
case oKeyring: append_to_strlist( &nrings, pargs.r.ret_str); break;
case oShowKeyring: opt.show_keyring = 1; break;
case oDebug: opt.debug |= pargs.r.ret_ulong; break;
case oDebugAll: opt.debug = ~0; break;
case oStatusFD:
set_status_fd( iobuf_translate_file_handle (pargs.r.ret_int, 1) );
break;
#ifdef __riscos__
case oStatusFile:
set_status_fd( iobuf_translate_file_handle ( fdopenfile (pargs.r.ret_str, 1), 1) );
break;
#endif /* __riscos__ */
case oLoggerFD:
log_set_logfile( NULL,
iobuf_translate_file_handle (pargs.r.ret_int, 1) );
break;
#ifdef __riscos__
case oLoggerFile:
log_set_logfile( NULL,
iobuf_translate_file_handle ( fdopenfile (pargs.r.ret_str, 1), 1) );
break;
#endif /* __riscos__ */
case oWithFingerprint:
opt.with_fingerprint = 1;
with_fpr=1; /*fall thru*/
case oFingerprint: opt.fingerprint++; break;
case oSecretKeyring: append_to_strlist( &sec_nrings, pargs.r.ret_str); break;
case oOptions:
/* config files may not be nested (silently ignore them) */
if( !configfp ) {
m_free(configname);
configname = m_strdup(pargs.r.ret_str);
goto next_pass;
}
break;
case oNoArmor: opt.no_armor=1; opt.armor=0; break;
case oNoDefKeyring: default_keyring = 0; break;
case oDefCheckLevel: opt.def_check_level=pargs.r.ret_int; break;
case oNoGreeting: nogreeting = 1; break;
case oNoVerbose: g10_opt_verbose = 0;
opt.verbose = 0; opt.list_sigs=0; break;
case oQuickRandom: quick_random_gen(1); break;
case oNoComment: opt.no_comment=1; break;
case oNoVersion: opt.no_version=1; break;
case oEmitVersion: opt.no_version=0; break;
case oCompletesNeeded: opt.completes_needed = pargs.r.ret_int; break;
case oMarginalsNeeded: opt.marginals_needed = pargs.r.ret_int; break;
case oMaxCertDepth: opt.max_cert_depth = pargs.r.ret_int; break;
case oTrustDBName: trustdb_name = pargs.r.ret_str; break;
case oDefaultKey: opt.def_secret_key = pargs.r.ret_str; break;
case oDefRecipient:
if( *pargs.r.ret_str )
opt.def_recipient = make_username(pargs.r.ret_str);
break;
case oDefRecipientSelf:
m_free(opt.def_recipient); opt.def_recipient = NULL;
opt.def_recipient_self = 1;
break;
case oNoDefRecipient:
m_free(opt.def_recipient); opt.def_recipient = NULL;
opt.def_recipient_self = 0;
break;
case oNoOptions: opt.no_homedir_creation = 1; break; /* no-options */
case oHomedir: break;
case oNoBatch: opt.batch = 0; break;
case oWithKeyData: opt.with_key_data=1; /* fall thru */
case oWithColons: opt.with_colons=':'; break;
case oSkipVerify: opt.skip_verify=1; break;
case oCompressAlgo: opt.def_compress_algo = pargs.r.ret_int; break;
case oCompressKeys: opt.compress_keys = 1; break;
case aListSecretKeys: set_cmd( &cmd, aListSecretKeys); break;
case oAlwaysTrust: opt.always_trust = 1; break;
case oLoadExtension:
#ifndef __riscos__
add_to_strlist(&extensions,pargs.r.ret_str);
register_cipher_extension(orig_argc? *orig_argv:NULL,
pargs.r.ret_str);
#else /* __riscos__ */
not_implemented("load-extension");
#endif /* __riscos__ */
break;
case oRFC1991:
opt.rfc1991 = 1;
opt.rfc2440 = 0;
opt.force_v4_certs = 0;
opt.no_comment = 1;
opt.escape_from = 1;
break;
case oOpenPGP:
opt.rfc1991 = 0;
opt.rfc2440 = 1;
opt.allow_non_selfsigned_uid = 1;
opt.pgp2_workarounds = 0;
opt.escape_from = 0;
opt.force_v3_sigs = 0;
opt.compress_keys = 0; /* not mandated but we do it */
opt.compress_sigs = 0; /* ditto. */
opt.not_dash_escaped = 0;
opt.def_cipher_algo = 0;
opt.def_digest_algo = 0;
opt.def_compress_algo = 1;
opt.s2k_mode = 3; /* iterated+salted */
opt.s2k_digest_algo = DIGEST_ALGO_SHA1;
opt.s2k_cipher_algo = CIPHER_ALGO_CAST5;
break;
case oPGP2: opt.pgp2 = 1; break;
case oNoPGP2: opt.pgp2 = 0; break;
case oPGP6: opt.pgp6 = 1; break;
case oNoPGP6: opt.pgp6 = 0; break;
case oEmuChecksumBug: opt.emulate_bugs |= EMUBUG_GPGCHKSUM; break;
case oEmu3DESS2KBug: opt.emulate_bugs |= EMUBUG_3DESS2K; break;
case oEmuMDEncodeBug: opt.emulate_bugs |= EMUBUG_MDENCODE; break;
case oCompressSigs: opt.compress_sigs = 1; break;
case oRunAsShmCP:
#ifndef __riscos__
#ifndef USE_SHM_COPROCESSING
/* not possible in the option file,
* but we print the warning here anyway */
log_error("shared memory coprocessing is not available\n");
#endif
#else /* __riscos__ */
not_implemented("run-as-shm-coprocess");
#endif /* __riscos__ */
break;
case oSetFilename: opt.set_filename = pargs.r.ret_str; break;
case oForYourEyesOnly: eyes_only = 1; break;
case oNoForYourEyesOnly: eyes_only = 0; break;
case oSetPolicyURL: opt.sig_policy_url = opt.cert_policy_url = pargs.r.ret_str; break;
case oSigPolicyURL: opt.sig_policy_url = pargs.r.ret_str; break;
case oCertPolicyURL: opt.cert_policy_url = pargs.r.ret_str; break;
case oShowPolicyURL: opt.show_policy_url=1; break;
case oNoShowPolicyURL: opt.show_policy_url=0; break;
case oUseEmbeddedFilename: opt.use_embedded_filename = 1; break;
case oComment: opt.comment_string = pargs.r.ret_str; break;
case oDefaultComment: opt.comment_string = NULL; break;
case oThrowKeyid: opt.throw_keyid = 1; break;
case oShowPhotos: opt.show_photos = 1; break;
case oNoShowPhotos: opt.show_photos = 0; break;
case oPhotoViewer: opt.photo_viewer = pargs.r.ret_str; break;
case oForceV3Sigs: opt.force_v3_sigs = 1; break;
case oNoForceV3Sigs: opt.force_v3_sigs = 0; break;
case oForceV4Certs: opt.force_v4_certs = 1; break;
case oNoForceV4Certs: opt.force_v4_certs = 0; break;
case oForceMDC: opt.force_mdc = 1; break;
case oNoForceMDC: opt.force_mdc = 0; break;
case oDisableMDC: opt.disable_mdc = 1; break;
case oNoDisableMDC: opt.disable_mdc = 0; break;
case oS2KMode: opt.s2k_mode = pargs.r.ret_int; break;
case oS2KDigest: s2k_digest_string = m_strdup(pargs.r.ret_str); break;
case oS2KCipher: s2k_cipher_string = m_strdup(pargs.r.ret_str); break;
case oSimpleSKChecksum: opt.simple_sk_checksum = 1; break;
case oNoEncryptTo: opt.no_encrypt_to = 1; break;
case oEncryptTo: /* store the recipient in the second list */
sl = add_to_strlist2( &remusr, pargs.r.ret_str, utf8_strings );
sl->flags = 1;
break;
case oRecipient: /* store the recipient */
add_to_strlist2( &remusr, pargs.r.ret_str, utf8_strings );
any_explicit_recipient = 1;
break;
case oTextmodeShort: opt.textmode = 2; break;
case oTextmode: opt.textmode=1; break;
case oExpert: opt.expert = 1; break;
case oNoExpert: opt.expert = 0; break;
case oAskSigExpire: opt.ask_sig_expire = 1; break;
case oNoAskSigExpire: opt.ask_sig_expire = 0; break;
case oAskCertExpire: opt.ask_cert_expire = 1; break;
case oNoAskCertExpire: opt.ask_cert_expire = 0; break;
case oUser: /* store the local users */
add_to_strlist2( &locusr, pargs.r.ret_str, utf8_strings );
break;
case oCompress: opt.compress = pargs.r.ret_int; break;
case oPasswdFD:
pwfd = iobuf_translate_file_handle (pargs.r.ret_int, 0);
break;
#ifdef __riscos__
case oPasswdFile:
pwfd = iobuf_translate_file_handle ( fdopenfile (pargs.r.ret_str, 0), 0);
break;
#endif /* __riscos__ */
case oCommandFD:
opt.command_fd = iobuf_translate_file_handle (pargs.r.ret_int, 0);
break;
#ifdef __riscos__
case oCommandFile:
opt.command_fd = iobuf_translate_file_handle ( fdopenfile (pargs.r.ret_str, 0), 0);
break;
#endif /* __riscos__ */
case oCipherAlgo: def_cipher_string = m_strdup(pargs.r.ret_str); break;
case oDigestAlgo: def_digest_string = m_strdup(pargs.r.ret_str); break;
case oNoSecmemWarn: secmem_set_flags( secmem_get_flags() | 1 ); break;
case oNoPermissionWarn: opt.no_perm_warn=1; break;
case oCharset:
if( set_native_charset( pargs.r.ret_str ) )
log_error(_("%s is not a valid character set\n"),
pargs.r.ret_str);
break;
case oNotDashEscaped: opt.not_dash_escaped = 1; break;
case oEscapeFrom: opt.escape_from = 1; break;
case oNoEscapeFrom: opt.escape_from = 0; break;
case oLockOnce: opt.lock_once = 1; break;
case oLockNever: disable_dotlock(); break;
case oLockMultiple:
#ifndef __riscos__
opt.lock_once = 0;
#else /* __riscos__ */
not_implemented("lock-multiple");
#endif /* __riscos__ */
break;
case oKeyServer:
if(parse_keyserver_uri(pargs.r.ret_str))
log_error(_("could not parse keyserver URI\n"));
break;
case oKeyServerOptions:
parse_keyserver_options(pargs.r.ret_str);
break;
case oTempDir: opt.temp_dir=pargs.r.ret_str; break;
case oExecPath:
{
/* Notice that path is never freed. That is
intentional due to the way putenv() works. */
char *path=m_alloc(5+strlen(pargs.r.ret_str)+1);
strcpy(path,"PATH=");
strcat(path,pargs.r.ret_str);
if(putenv(path)!=0)
log_error(_("unable to set exec-path to %s\n"),path);
}
break;
case oNotation: add_notation_data( pargs.r.ret_str ); break;
case oShowNotation: opt.show_notation=1; break;
case oNoShowNotation: opt.show_notation=0; break;
case oUtf8Strings: utf8_strings = 1; break;
case oNoUtf8Strings: utf8_strings = 0; break;
case oDisableCipherAlgo:
disable_cipher_algo( string_to_cipher_algo(pargs.r.ret_str) );
break;
case oDisablePubkeyAlgo:
disable_pubkey_algo( string_to_pubkey_algo(pargs.r.ret_str) );
break;
case oNoSigCache: opt.no_sig_cache = 1; break;
case oNoSigCreateCheck: opt.no_sig_create_check = 1; break;
case oAllowNonSelfsignedUID: opt.allow_non_selfsigned_uid = 1; break;
case oNoAllowNonSelfsignedUID: opt.allow_non_selfsigned_uid=0; break;
case oAllowFreeformUID: opt.allow_freeform_uid = 1; break;
case oNoLiteral: opt.no_literal = 1; break;
case oSetFilesize: opt.set_filesize = pargs.r.ret_ulong; break;
case oHonorHttpProxy:
opt.honor_http_proxy = 1;
log_info(_("WARNING: %s is a deprecated option.\n"),
"--honor-http-proxy");
log_info(_("please use \"--keyserver-options %s\" instead\n"),
"honor-http-proxy");
break;
case oFastListMode: opt.fast_list_mode = 1; break;
case oFixedListMode: opt.fixed_list_mode = 1; break;
case oListOnly: opt.list_only=1; break;
case oIgnoreTimeConflict: opt.ignore_time_conflict = 1; break;
case oIgnoreValidFrom: opt.ignore_valid_from = 1; break;
case oIgnoreCrcError: opt.ignore_crc_error = 1; break;
case oNoRandomSeedFile: use_random_seed = 0; break;
case oAutoKeyRetrieve:
case oNoAutoKeyRetrieve:
opt.keyserver_options.auto_key_retrieve=
(pargs.r_opt==oAutoKeyRetrieve);
log_info(_("WARNING: %s is a deprecated option.\n"),
pargs.r_opt==oAutoKeyRetrieve?
"--auto-key-retrieve":"--no-auto-key-retrieve");
log_info(_("please use \"--keyserver-options %s\" instead\n"),
pargs.r_opt==oAutoKeyRetrieve?
"auto-key-retrieve":"no-auto-key-retrieve");
break;
case oShowSessionKey: opt.show_session_key = 1; break;
case oOverrideSessionKey:
opt.override_session_key = pargs.r.ret_str;
break;
case oMergeOnly: opt.merge_only = 1; break;
case oAllowSecretKeyImport: /* obsolete */ break;
case oTryAllSecrets: opt.try_all_secrets = 1; break;
case oTrustedKey: register_trusted_key( pargs.r.ret_str ); break;
case oEnableSpecialFilenames:
iobuf_enable_special_filenames (1);
break;
case oNoExpensiveTrustChecks: opt.no_expensive_trust_checks=1; break;
case oNoAutoCheckTrustDB: opt.no_auto_check_trustdb=1; break;
case oPreservePermissions: opt.preserve_permissions=1; break;
case oPreferenceList: preference_list = pargs.r.ret_str; break;
default : pargs.err = configfp? 1:2; break;
}
}
if( configfp ) {
fclose( configfp );
configfp = NULL;
m_free(configname); configname = NULL;
goto next_pass;
}
m_free( configname ); configname = NULL;
if( log_get_errorcount(0) )
g10_exit(2);
if( nogreeting )
greeting = 0;
if( greeting ) {
fprintf(stderr, "%s %s; %s\n",
strusage(11), strusage(13), strusage(14) );
fprintf(stderr, "%s\n", strusage(15) );
}
#ifdef IS_DEVELOPMENT_VERSION
if( !opt.batch ) {
log_info("NOTE: THIS IS A DEVELOPMENT VERSION!\n");
log_info("It is only intended for test purposes and should NOT be\n");
log_info("used in a production environment or with production keys!\n");
}
#endif
check_permissions(opt.homedir,0,0);
if(unsafe_files)
{
STRLIST tmp;
for(tmp=unsafe_files;tmp;tmp=tmp->next)
check_permissions(tmp->d,0,0);
free_strlist(unsafe_files);
}
if(extensions)
{
STRLIST tmp;
for(tmp=extensions;tmp;tmp=tmp->next)
check_permissions(tmp->d,1,0);
free_strlist(extensions);
}
if( may_coredump && !opt.quiet )
log_info(_("WARNING: program may create a core file!\n"));
if (eyes_only) {
if (opt.set_filename)
log_info(_("WARNING: %s overrides %s\n"),
"--for-your-eyes-only","--set-filename");
opt.set_filename="_CONSOLE";
}
if (opt.no_literal) {
log_info(_("NOTE: %s is not for normal use!\n"), "--no-literal");
if (opt.textmode)
log_error(_("%s not allowed with %s!\n"),
"--textmode", "--no-literal" );
if (opt.set_filename)
log_error(_("%s makes no sense with %s!\n"),
eyes_only?"--for-your-eyes-only":"--set-filename",
"--no-literal" );
}
if (opt.set_filesize)
log_info(_("NOTE: %s is not for normal use!\n"), "--set-filesize");
if( opt.batch )
tty_batchmode( 1 );
secmem_set_flags( secmem_get_flags() & ~2 ); /* resume warnings */
set_debug();
g10_opt_homedir = opt.homedir;
/* Do these after the switch(), so they can override settings. */
if(opt.pgp2 && opt.pgp6)
log_error(_("%s not allowed with %s!\n"),"--pgp2","--pgp6");
else
{
if(opt.pgp2)
{
int unusable=0;
if(cmd==aSign && !detached_sig)
{
log_info(_("you can only make detached or clear signatures "
"while in --pgp2 mode\n"));
unusable=1;
}
else if(cmd==aSignEncr || cmd==aSignSym)
{
log_info(_("you can't sign and encrypt at the "
"same time while in --pgp2 mode\n"));
unusable=1;
}
else if(argc==0 && (cmd==aSign || cmd==aEncr || cmd==aSym))
{
log_info(_("you must use files (and not a pipe) when "
"working with --pgp2 enabled.\n"));
unusable=1;
}
else if(cmd==aEncr || cmd==aSym)
{
/* Everything else should work without IDEA (except using
a secret key encrypted with IDEA and setting an IDEA
preference, but those have their own error
messages). */
if(check_cipher_algo(CIPHER_ALGO_IDEA))
{
log_info(_("encrypting a message in --pgp2 mode requires "
"the IDEA cipher\n"));
idea_cipher_warn(1);
unusable=1;
}
else if(cmd==aSym)
{
m_free(def_cipher_string);
def_cipher_string = m_strdup("idea");
}
}
if(unusable)
{
log_info(_("this message may not be usable by PGP 2.x\n"));
opt.pgp2=0;
}
else
{
opt.rfc1991 = 1;
opt.rfc2440 = 0;
opt.force_mdc = 0;
opt.disable_mdc = 1;
opt.force_v4_certs = 0;
opt.no_comment = 1;
opt.escape_from = 1;
opt.force_v3_sigs = 1;
opt.pgp2_workarounds = 1;
opt.ask_sig_expire = 0;
opt.ask_cert_expire = 0;
m_free(def_digest_string);
def_digest_string = m_strdup("md5");
opt.def_compress_algo = 1;
}
}
if(opt.pgp6)
{
opt.force_mdc=0;
opt.disable_mdc=1;
opt.no_comment=1;
opt.escape_from=1;
opt.force_v3_sigs=1;
opt.def_compress_algo=1;
}
}
/* must do this after dropping setuid, because string_to...
* may try to load an module */
if( def_cipher_string ) {
opt.def_cipher_algo = string_to_cipher_algo(def_cipher_string);
if(opt.def_cipher_algo==0 && strcasecmp(def_cipher_string,"idea")==0)
idea_cipher_warn(1);
m_free(def_cipher_string); def_cipher_string = NULL;
if( check_cipher_algo(opt.def_cipher_algo) )
log_error(_("selected cipher algorithm is invalid\n"));
}
if( def_digest_string ) {
opt.def_digest_algo = string_to_digest_algo(def_digest_string);
m_free(def_digest_string); def_digest_string = NULL;
if( check_digest_algo(opt.def_digest_algo) )
log_error(_("selected digest algorithm is invalid\n"));
}
if( s2k_cipher_string ) {
opt.s2k_cipher_algo = string_to_cipher_algo(s2k_cipher_string);
m_free(s2k_cipher_string); s2k_cipher_string = NULL;
if( check_cipher_algo(opt.s2k_cipher_algo) )
log_error(_("selected cipher algorithm is invalid\n"));
}
if( s2k_digest_string ) {
opt.s2k_digest_algo = string_to_digest_algo(s2k_digest_string);
m_free(s2k_digest_string); s2k_digest_string = NULL;
if( check_digest_algo(opt.s2k_digest_algo) )
log_error(_("selected digest algorithm is invalid\n"));
}
if( opt.sig_policy_url ) {
if( check_policy_url( opt.sig_policy_url ) )
log_error(_("the given signature policy URL is invalid\n"));
}
if( opt.cert_policy_url ) {
if( check_policy_url( opt.cert_policy_url ) )
log_error(_("the given certification policy URL is invalid\n"));
}
if( opt.def_compress_algo < 0 || opt.def_compress_algo > 2 )
log_error(_("compress algorithm must be in range %d..%d\n"), 0, 2);
if( opt.completes_needed < 1 )
log_error(_("completes-needed must be greater than 0\n"));
if( opt.marginals_needed < 2 )
log_error(_("marginals-needed must be greater than 1\n"));
if( opt.max_cert_depth < 1 || opt.max_cert_depth > 255 )
log_error(_("max-cert-depth must be in range 1 to 255\n"));
switch( opt.s2k_mode ) {
case 0:
log_info(_("NOTE: simple S2K mode (0) is strongly discouraged\n"));
break;
case 1: case 3: break;
default:
log_error(_("invalid S2K mode; must be 0, 1 or 3\n"));
}
if(opt.def_check_level<0 || opt.def_check_level>3)
log_error(_("invalid default-check-level; must be 0, 1, 2, or 3\n"));
if (preference_list && keygen_set_std_prefs (preference_list))
log_error(_("invalid preferences\n"));
if( log_get_errorcount(0) )
g10_exit(2);
/* set the random seed file */
if( use_random_seed ) {
char *p = make_filename(opt.homedir, "random_seed", NULL );
check_permissions(p,0,0);
set_random_seed_file(p);
m_free(p);
}
if( !cmd && opt.fingerprint && !with_fpr ) {
set_cmd( &cmd, aListKeys);
}
if( cmd == aKMode || cmd == aKModeC ) { /* kludge to be compatible to pgp */
if( cmd == aKModeC ) {
opt.fingerprint = 1;
cmd = aKMode;
}
opt.list_sigs = 0;
if( opt.verbose > 2 )
opt.check_sigs++;
if( opt.verbose > 1 )
opt.list_sigs++;
opt.verbose = opt.verbose > 1;
g10_opt_verbose = opt.verbose;
}
/* Compression algorithm 0 means no compression at all */
if( opt.def_compress_algo == 0)
opt.compress = 0;
/* kludge to let -sat generate a clear text signature */
if( opt.textmode == 2 && !detached_sig && opt.armor && cmd == aSign )
cmd = aClearsign;
if( opt.verbose > 1 )
set_packet_list_mode(1);
/* Add the keyrings, but not for some special commands and not in
case of "-kvv userid keyring". Also avoid adding the secret
keyring for a couple of commands to avoid unneeded access in
case the secrings are stored on a floppy */
if( cmd != aDeArmor && cmd != aEnArmor
&& !(cmd == aKMode && argc == 2 ) )
{
if (cmd != aCheckKeys && cmd != aListSigs && cmd != aListKeys
&& cmd != aVerify && cmd != aVerifyFiles
&& cmd != aSym)
{
if (!sec_nrings || default_keyring) /* add default secret rings */
keydb_add_resource ("secring" EXTSEP_S "gpg", 0, 1);
for (sl = sec_nrings; sl; sl = sl->next)
keydb_add_resource ( sl->d, 0, 1 );
}
if( !nrings || default_keyring ) /* add default ring */
keydb_add_resource ("pubring" EXTSEP_S "gpg", 0, 0);
for(sl = nrings; sl; sl = sl->next )
keydb_add_resource ( sl->d, 0, 0 );
}
FREE_STRLIST(nrings);
FREE_STRLIST(sec_nrings);
if( pwfd != -1 ) /* read the passphrase now. */
read_passphrase_from_fd( pwfd );
fname = argc? *argv : NULL;
switch( cmd ) {
case aPrimegen:
case aPrintMD:
case aPrintMDs:
case aGenRandom:
case aDeArmor:
case aEnArmor:
case aFixTrustDB:
break;
case aKMode:
case aListKeys:
case aListSecretKeys:
case aCheckKeys:
if( opt.with_colons ) /* need this to list the trust */
rc = setup_trustdb(1, trustdb_name );
break;
case aExportOwnerTrust: rc = setup_trustdb( 0, trustdb_name ); break;
case aListTrustDB: rc = setup_trustdb( argc? 1:0, trustdb_name ); break;
default: rc = setup_trustdb(1, trustdb_name ); break;
}
if( rc )
log_error(_("failed to initialize the TrustDB: %s\n"), g10_errstr(rc));
switch (cmd) {
case aStore:
case aSym:
case aSign:
case aSignSym:
case aClearsign:
if (!opt.quiet && any_explicit_recipient)
log_info ("WARNING: recipients (-r) given "
"without using public key encryption");
break;
default:
break;
}
switch( cmd ) {
case aStore: /* only store the file */
if( argc > 1 )
wrong_args(_("--store [filename]"));
if( (rc = encode_store(fname)) )
log_error_f( print_fname_stdin(fname),
"store failed: %s\n", g10_errstr(rc) );
break;
case aSym: /* encrypt the given file only with the symmetric cipher */
if( argc > 1 )
wrong_args(_("--symmetric [filename]"));
if( (rc = encode_symmetric(fname)) )
log_error_f(print_fname_stdin(fname),
"symmetric encryption failed: %s\n",g10_errstr(rc) );
break;
case aEncr: /* encrypt the given file */
if( argc > 1 )
wrong_args(_("--encrypt [filename]"));
if( (rc = encode_crypt(fname,remusr)) )
log_error("%s: encryption failed: %s\n", print_fname_stdin(fname), g10_errstr(rc) );
break;
case aEncrFiles: /* encrypt the given files */
encode_crypt_files(argc, argv, remusr);
break;
case aSign: /* sign the given file */
sl = NULL;
if( detached_sig ) { /* sign all files */
for( ; argc; argc--, argv++ )
add_to_strlist( &sl, *argv );
}
else {
if( argc > 1 )
wrong_args(_("--sign [filename]"));
if( argc ) {
sl = m_alloc_clear( sizeof *sl + strlen(fname));
strcpy(sl->d, fname);
}
}
if( (rc = sign_file( sl, detached_sig, locusr, 0, NULL, NULL)) )
log_error("signing failed: %s\n", g10_errstr(rc) );
free_strlist(sl);
break;
case aSignEncr: /* sign and encrypt the given file */
if( argc > 1 )
wrong_args(_("--sign --encrypt [filename]"));
if( argc ) {
sl = m_alloc_clear( sizeof *sl + strlen(fname));
strcpy(sl->d, fname);
}
else
sl = NULL;
if( (rc = sign_file(sl, detached_sig, locusr, 1, remusr, NULL)) )
log_error("%s: sign+encrypt failed: %s\n", print_fname_stdin(fname), g10_errstr(rc) );
free_strlist(sl);
break;
case aSignSym: /* sign and conventionally encrypt the given file */
if (argc > 1)
wrong_args(_("--sign --symmetric [filename]"));
rc = sign_symencrypt_file (fname, locusr);
if (rc)
log_error("%s: sign+symmetric failed: %s\n",
print_fname_stdin(fname), g10_errstr(rc) );
break;
case aClearsign: /* make a clearsig */
if( argc > 1 )
wrong_args(_("--clearsign [filename]"));
if( (rc = clearsign_file(fname, locusr, NULL)) )
log_error("%s: clearsign failed: %s\n",
print_fname_stdin(fname), g10_errstr(rc) );
break;
case aVerify:
if( (rc = verify_signatures( argc, argv ) ))
log_error("verify signatures failed: %s\n", g10_errstr(rc) );
break;
case aVerifyFiles:
if( (rc = verify_files( argc, argv ) ))
log_error("verify files failed: %s\n", g10_errstr(rc) );
break;
case aDecrypt:
if( argc > 1 )
wrong_args(_("--decrypt [filename]"));
if( (rc = decrypt_message( fname ) ))
log_error("decrypt_message failed: %s\n", g10_errstr(rc) );
break;
case aDecryptFiles:
decrypt_messages(argc, argv);
break;
case aSignKey: /* sign the key given as argument */
if( argc != 1 )
wrong_args(_("--sign-key user-id"));
username = make_username( fname );
keyedit_menu(fname, locusr, NULL, 1 );
m_free(username);
break;
case aLSignKey:
if( argc != 1 )
wrong_args(_("--lsign-key user-id"));
username = make_username( fname );
keyedit_menu(fname, locusr, NULL, 2 );
m_free(username);
break;
case aNRSignKey:
if( argc != 1 )
wrong_args(_("--nrsign-key user-id"));
username = make_username( fname );
keyedit_menu(fname, locusr, NULL, 3 );
m_free(username);
break;
case aNRLSignKey:
if( argc != 1 )
wrong_args(_("--nrlsign-key user-id"));
username = make_username( fname );
keyedit_menu(fname, locusr, NULL, 4 );
m_free(username);
break;
case aEditKey: /* Edit a key signature */
if( !argc )
wrong_args(_("--edit-key user-id [commands]"));
username = make_username( fname );
if( argc > 1 ) {
sl = NULL;
for( argc--, argv++ ; argc; argc--, argv++ )
append_to_strlist( &sl, *argv );
keyedit_menu( username, locusr, sl, 0 );
free_strlist(sl);
}
else
keyedit_menu(username, locusr, NULL, 0 );
m_free(username);
break;
case aDeleteKeys:
case aDeleteSecretKeys:
case aDeleteSecretAndPublicKeys:
sl = NULL;
/* I'm adding these in reverse order as add_to_strlist2
reverses them again, and it's easier to understand in the
proper order :) */
for( ; argc; argc-- )
add_to_strlist2( &sl, argv[argc-1], utf8_strings );
delete_keys(sl,cmd==aDeleteSecretKeys,cmd==aDeleteSecretAndPublicKeys);
free_strlist(sl);
break;
case aCheckKeys:
opt.check_sigs = 1;
case aListSigs:
opt.list_sigs = 1;
case aListKeys:
sl = NULL;
for( ; argc; argc--, argv++ )
add_to_strlist2( &sl, *argv, utf8_strings );
public_key_list( sl );
free_strlist(sl);
break;
case aListSecretKeys:
sl = NULL;
for( ; argc; argc--, argv++ )
add_to_strlist2( &sl, *argv, utf8_strings );
secret_key_list( sl );
free_strlist(sl);
break;
case aKMode: /* list keyring -- NOTE: This will be removed soon */
if( argc < 2 ) { /* -kv [userid] */
sl = NULL;
if (argc && **argv)
add_to_strlist2( &sl, *argv, utf8_strings );
public_key_list( sl );
free_strlist(sl);
}
else if( argc == 2 ) { /* -kv userid keyring */
if( access( argv[1], R_OK ) ) {
log_error(_("can't open %s: %s\n"),
print_fname_stdin(argv[1]), strerror(errno));
}
else {
/* add keyring (default keyrings are not registered in this
* special case */
keydb_add_resource( argv[1], 0, 0 );
sl = NULL;
if (**argv)
add_to_strlist2( &sl, *argv, utf8_strings );
public_key_list( sl );
free_strlist(sl);
}
}
else
wrong_args(_("-k[v][v][v][c] [user-id] [keyring]") );
break;
case aKeygen: /* generate a key */
if( opt.batch ) {
if( argc > 1 )
wrong_args("--gen-key [parameterfile]");
generate_keypair( argc? *argv : NULL );
}
else {
if( argc )
wrong_args("--gen-key");
generate_keypair(NULL);
}
break;
case aFastImport:
case aImport:
import_keys( argc? argv:NULL, argc, (cmd == aFastImport), NULL );
break;
case aExport:
case aExportAll:
case aSendKeys:
case aRecvKeys:
sl = NULL;
for( ; argc; argc--, argv++ )
add_to_strlist2( &sl, *argv, utf8_strings );
if( cmd == aSendKeys )
keyserver_export( sl );
else if( cmd == aRecvKeys )
keyserver_import( sl );
else
export_pubkeys( sl, (cmd == aExport) );
free_strlist(sl);
break;
case aSearchKeys:
sl = NULL;
for( ; argc; argc--, argv++ )
append_to_strlist2( &sl, *argv, utf8_strings );
keyserver_search( sl );
free_strlist(sl);
break;
case aRefreshKeys:
sl = NULL;
for( ; argc; argc--, argv++ )
add_to_strlist2( &sl, *argv, utf8_strings );
keyserver_refresh(sl);
free_strlist(sl);
break;
case aExportSecret:
sl = NULL;
for( ; argc; argc--, argv++ )
add_to_strlist2( &sl, *argv, utf8_strings );
export_seckeys( sl );
free_strlist(sl);
break;
case aExportSecretSub:
sl = NULL;
for( ; argc; argc--, argv++ )
add_to_strlist2( &sl, *argv, utf8_strings );
export_secsubkeys( sl );
free_strlist(sl);
break;
case aGenRevoke:
if( argc != 1 )
wrong_args("--gen-revoke user-id");
username = make_username(*argv);
gen_revoke( username );
m_free( username );
break;
case aDeArmor:
if( argc > 1 )
wrong_args("--dearmor [file]");
rc = dearmor_file( argc? *argv: NULL );
if( rc )
log_error(_("dearmoring failed: %s\n"), g10_errstr(rc));
break;
case aEnArmor:
if( argc > 1 )
wrong_args("--enarmor [file]");
rc = enarmor_file( argc? *argv: NULL );
if( rc )
log_error(_("enarmoring failed: %s\n"), g10_errstr(rc));
break;
case aPrimegen:
{ int mode = argc < 2 ? 0 : atoi(*argv);
if( mode == 1 && argc == 2 ) {
mpi_print( stdout, generate_public_prime( atoi(argv[1]) ), 1);
}
else if( mode == 2 && argc == 3 ) {
mpi_print( stdout, generate_elg_prime(
0, atoi(argv[1]),
atoi(argv[2]), NULL,NULL ), 1);
}
else if( mode == 3 && argc == 3 ) {
MPI *factors;
mpi_print( stdout, generate_elg_prime(
1, atoi(argv[1]),
atoi(argv[2]), NULL,&factors ), 1);
putchar('\n');
mpi_print( stdout, factors[0], 1 ); /* print q */
}
else if( mode == 4 && argc == 3 ) {
MPI g = mpi_alloc(1);
mpi_print( stdout, generate_elg_prime(
0, atoi(argv[1]),
atoi(argv[2]), g, NULL ), 1);
putchar('\n');
mpi_print( stdout, g, 1 );
mpi_free(g);
}
else
wrong_args("--gen-prime mode bits [qbits] ");
putchar('\n');
}
break;
case aGenRandom:
{
int level = argc ? atoi(*argv):0;
int count = argc > 1 ? atoi(argv[1]): 0;
int endless = !count;
if( argc < 1 || argc > 2 || level < 0 || level > 2 || count < 0 )
wrong_args("--gen-random 0|1|2 [count]");
while( endless || count ) {
byte *p;
/* Wee need a multiple of 3, so that in case of
armored output we get a correct string. No
linefolding is done, as it is best to levae this to
other tools */
size_t n = !endless && count < 99? count : 99;
p = get_random_bits( n*8, level, 0);
#ifdef HAVE_DOSISH_SYSTEM
setmode ( fileno(stdout), O_BINARY );
#endif
if (opt.armor) {
char *tmp = make_radix64_string (p, n);
fputs (tmp, stdout);
m_free (tmp);
if (n%3 == 1)
putchar ('=');
if (n%3)
putchar ('=');
} else {
fwrite( p, n, 1, stdout );
}
m_free(p);
if( !endless )
count -= n;
}
if (opt.armor)
putchar ('\n');
}
break;
case aPrintMD:
if( argc < 1)
wrong_args("--print-md algo [files]");
{
int all_algos = (**argv=='*' && !(*argv)[1]);
int algo = all_algos? 0 : string_to_digest_algo(*argv);
if( !algo && !all_algos )
log_error(_("invalid hash algorithm `%s'\n"), *argv );
else {
argc--; argv++;
if( !argc )
print_mds(NULL, algo);
else {
for(; argc; argc--, argv++ )
print_mds(*argv, algo);
}
}
}
break;
case aPrintMDs: /* old option */
if( !argc )
print_mds(NULL,0);
else {
for(; argc; argc--, argv++ )
print_mds(*argv,0);
}
break;
case aListTrustDB:
if( !argc )
list_trustdb(NULL);
else {
for( ; argc; argc--, argv++ )
list_trustdb( *argv );
}
break;
case aUpdateTrustDB:
if( argc )
wrong_args("--update-trustdb");
update_trustdb();
break;
case aCheckTrustDB:
/* Old versions allowed for arguments - ignore them */
check_trustdb();
break;
case aFixTrustDB:
log_error("this command is not yet implemented.\n");
log_error("A workaround is to use \"--export-ownertrust\", remove\n");
log_error("the trustdb file and do an \"--import-ownertrust\".\n" );
break;
case aListTrustPath:
if( !argc )
wrong_args("--list-trust-path <user-ids>");
for( ; argc; argc--, argv++ ) {
username = make_username( *argv );
list_trust_path( username );
m_free(username);
}
break;
case aExportOwnerTrust:
if( argc )
wrong_args("--export-ownertrust");
export_ownertrust();
break;
case aImportOwnerTrust:
if( argc > 1 )
wrong_args("--import-ownertrust [file]");
import_ownertrust( argc? *argv:NULL );
break;
case aPipeMode:
if ( argc )
wrong_args ("--pipemode");
run_in_pipemode ();
break;
case aRebuildKeydbCaches:
if (argc)
wrong_args ("--rebuild-keydb-caches");
keydb_rebuild_caches ();
break;
case aListPackets:
opt.list_packets=2;
default:
if( argc > 1 )
wrong_args(_("[filename]"));
/* Issue some output for the unix newbie */
if( !fname && !opt.outfile && isatty( fileno(stdin) )
&& isatty( fileno(stdout) ) && isatty( fileno(stderr) ) )
log_info(_("Go ahead and type your message ...\n"));
if( !(a = iobuf_open(fname)) )
log_error(_("can't open `%s'\n"), print_fname_stdin(fname));
else {
if( !opt.no_armor ) {
if( use_armor_filter( a ) ) {
memset( &afx, 0, sizeof afx);
iobuf_push_filter( a, armor_filter, &afx );
}
}
if( cmd == aListPackets ) {
set_packet_list_mode(1);
opt.list_packets=1;
}
rc = proc_packets(NULL, a );
if( rc )
log_error("processing message failed: %s\n", g10_errstr(rc) );
iobuf_close(a);
}
break;
}
/* cleanup */
FREE_STRLIST(remusr);
FREE_STRLIST(locusr);
g10_exit(0);
return 8; /*NEVER REACHED*/
}
void
g10_exit( int rc )
{
update_random_seed_file();
if( opt.debug & DBG_MEMSTAT_VALUE ) {
m_print_stats("on exit");
random_dump_stats();
}
if( opt.debug )
secmem_dump_stats();
secmem_term();
rc = rc? rc : log_get_errorcount(0)? 2 :
g10_errors_seen? 1 : 0;
exit(rc );
}
static void
print_hex( byte *p, size_t n )
{
int i;
if( n == 20 ) {
for(i=0; i < n ; i++, i++, p += 2 ) {
if( i )
putchar(' ');
if( i == 10 )
putchar(' ');
printf("%02X%02X", *p, p[1] );
}
}
else if( n == 24 ) {
for(i=0; i < n ; i += 4, p += 4 ) {
if( i )
putchar(' ');
if( i == 12 )
putchar(' ');
printf("%02X%02X%02X%02X", *p, p[1], p[2], p[3] );
}
}
else {
for(i=0; i < n ; i++, p++ ) {
if( i )
putchar(' ');
if( i && !(i%8) )
putchar(' ');
printf("%02X", *p );
}
}
}
static void
print_hashline( MD_HANDLE md, int algo, const char *fname )
{
int i, n;
const byte *p;
if ( fname ) {
for (p = fname; *p; p++ ) {
if ( *p <= 32 || *p > 127 || *p == ':' || *p == '%' )
printf("%%%02X", *p );
else
putchar( *p );
}
}
putchar(':');
printf("%d:", algo );
p = md_read( md, algo );
n = md_digest_length(algo);
for(i=0; i < n ; i++, p++ )
printf("%02X", *p );
putchar(':');
putchar('\n');
}
static void
print_mds( const char *fname, int algo )
{
FILE *fp;
char buf[1024];
size_t n;
MD_HANDLE md;
char *pname;
if( !fname ) {
fp = stdin;
#ifdef HAVE_DOSISH_SYSTEM
setmode ( fileno(fp) , O_BINARY );
#endif
pname = m_strdup("[stdin]: ");
}
else {
pname = m_alloc(strlen(fname)+3);
strcpy(stpcpy(pname,fname),": ");
fp = fopen( fname, "rb" );
}
if( !fp ) {
log_error("%s%s\n", pname, strerror(errno) );
m_free(pname);
return;
}
md = md_open( 0, 0 );
if( algo )
md_enable( md, algo );
else {
md_enable( md, DIGEST_ALGO_MD5 );
md_enable( md, DIGEST_ALGO_SHA1 );
md_enable( md, DIGEST_ALGO_RMD160 );
if( !check_digest_algo(DIGEST_ALGO_TIGER) )
md_enable( md, DIGEST_ALGO_TIGER );
}
while( (n=fread( buf, 1, DIM(buf), fp )) )
md_write( md, buf, n );
if( ferror(fp) )
log_error("%s%s\n", pname, strerror(errno) );
else {
md_final(md);
if ( opt.with_colons ) {
if ( algo )
print_hashline( md, algo, fname );
else {
print_hashline( md, DIGEST_ALGO_MD5, fname );
print_hashline( md, DIGEST_ALGO_SHA1, fname );
print_hashline( md, DIGEST_ALGO_RMD160, fname );
if( !check_digest_algo(DIGEST_ALGO_TIGER) )
print_hashline( md, DIGEST_ALGO_TIGER, fname );
}
}
else {
if( algo ) {
if( fname )
fputs( pname, stdout );
print_hex(md_read(md, algo), md_digest_length(algo) );
}
else {
printf( "%s MD5 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_MD5), 16 );
printf("\n%s SHA1 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_SHA1), 20 );
printf("\n%sRMD160 = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_RMD160), 20 );
if( !check_digest_algo(DIGEST_ALGO_TIGER) ) {
printf("\n%s TIGER = ", fname?pname:"" );
print_hex(md_read(md, DIGEST_ALGO_TIGER), 24 );
}
}
putchar('\n');
}
}
md_close(md);
if( fp != stdin )
fclose(fp);
}
/****************
* Check the supplied name,value string and add it to the notation
* data to be used for signatures.
*/
static void
add_notation_data( const char *string )
{
const char *s;
const char *s2;
STRLIST sl;
int critical=0;
int highbit=0;
if( *string == '!' ) {
critical = 1;
string++;
}
s = string;
if( !*s || (*s & 0x80) || (!isalpha(*s) && *s != '_') ) {
log_error(_("the first character of a notation name "
"must be a letter or an underscore\n") );
return;
}
for(s++; *s != '='; s++ ) {
if( !*s || (*s & 0x80) || (!isalnum(*s) && *s != '_' && *s != '.' ) ) {
log_error(_("a notation name must have only letters, "
"digits, dots or underscores and end with an '='\n") );
return;
}
}
if( s[-1] == '.' || ((s2=strstr(string, "..")) && s2 < s ) ) {
log_error(_("dots in a notation name must be surrounded "
"by other characters\n") );
return;
}
/* we do only support printabe text - therefore we enforce the use
* of only printable characters (an empty value is valid) */
for( s++; *s ; s++ ) {
if( iscntrl(*s) ) {
log_error(_("a notation value must not use "
"any control characters\n") );
return;
}
else if( *s & 0x80 )
highbit = 1;
}
if( highbit ) /* must use UTF8 encoding */
sl = add_to_strlist2( &opt.notation_data, string, utf8_strings );
else
sl = add_to_strlist( &opt.notation_data, string );
if( critical )
sl->flags |= 1;
}
static int
check_policy_url( const char *s )
{
if( *s == '!' )
s++;
if( !*s )
return -1;
for(; *s ; s++ ) {
if( (*s & 0x80) || iscntrl(*s) )
return -1;
}
return 0;
}

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Expires
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