mirror of
git://git.gnupg.org/gnupg.git
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1389 lines
39 KiB
C
1389 lines
39 KiB
C
/* gpgsm.c - GnuPG for S/MIME
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* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <gcrypt.h>
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#include "gpgsm.h"
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#include "../assuan/assuan.h" /* malloc hooks */
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#include "../kbx/keybox.h" /* malloc hooks */
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#include "i18n.h"
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#include "keydb.h"
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#include "sysutils.h"
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enum cmd_and_opt_values {
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aNull = 0,
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oArmor = 'a',
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aDetachedSign = 'b',
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aSym = 'c',
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aDecrypt = 'd',
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aEncr = 'e',
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oInteractive = 'i',
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oKOption = 'k',
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oDryRun = 'n',
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oOutput = 'o',
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oQuiet = 'q',
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oRecipient = 'r',
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aSign = 's',
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oTextmodeShort= 't',
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oUser = 'u',
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oVerbose = 'v',
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oCompress = 'z',
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oNotation = 'N',
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oBatch = 500,
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aClearsign,
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aStore,
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aKeygen,
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aSignEncr,
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aSignKey,
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aLSignKey,
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aListPackets,
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aEditKey,
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aDeleteKey,
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aImport,
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aVerify,
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aVerifyFiles,
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aListKeys,
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aListExternalKeys,
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aListSigs,
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aListSecretKeys,
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aSendKeys,
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aRecvKeys,
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aExport,
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aCheckKeys, /* nyi */
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aServer,
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aLearnCard,
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oOptions,
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oDebug,
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oDebugAll,
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oDebugWait,
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oDebugNoChainValidation,
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oLogFile,
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oEnableSpecialFilenames,
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oAgentProgram,
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oDisplay,
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oTTYname,
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oTTYtype,
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oLCctype,
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oLCmessages,
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oDirmngrProgram,
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oFakedSystemTime,
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oAssumeArmor,
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oAssumeBase64,
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oAssumeBinary,
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oBase64,
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oNoArmor,
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oDisableCRLChecks,
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oEnableCRLChecks,
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oIncludeCerts,
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oPolicyFile,
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oDisablePolicyChecks,
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oEnablePolicyChecks,
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oAutoIssuerKeyRetrieve,
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oTextmode,
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oFingerprint,
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oWithFingerprint,
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oAnswerYes,
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oAnswerNo,
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oKeyring,
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oSecretKeyring,
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oDefaultKey,
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oDefRecipient,
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oDefRecipientSelf,
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oNoDefRecipient,
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oStatusFD,
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oNoComment,
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oNoVersion,
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oEmitVersion,
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oCompletesNeeded,
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oMarginalsNeeded,
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oMaxCertDepth,
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oLoadExtension,
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oRFC1991,
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oOpenPGP,
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oCipherAlgo,
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oDigestAlgo,
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oCompressAlgo,
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oPasswdFD,
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oCommandFD,
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oNoVerbose,
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oTrustDBName,
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oNoSecmemWarn,
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oNoDefKeyring,
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oNoGreeting,
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oNoTTY,
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oNoOptions,
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oNoBatch,
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oHomedir,
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oWithColons,
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oWithKeyData,
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oSkipVerify,
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oCompressKeys,
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oCompressSigs,
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oAlwaysTrust,
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oRunAsShmCP,
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oSetFilename,
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oSetPolicyURL,
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oUseEmbeddedFilename,
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oComment,
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oDefaultComment,
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oThrowKeyid,
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oForceV3Sigs,
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oForceMDC,
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oS2KMode,
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oS2KDigest,
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oS2KCipher,
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oCharset,
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oNotDashEscaped,
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oEscapeFrom,
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oLockOnce,
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oLockMultiple,
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oLockNever,
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oKeyServer,
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oEncryptTo,
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oNoEncryptTo,
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oLoggerFD,
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oUtf8Strings,
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oNoUtf8Strings,
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oDisableCipherAlgo,
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oDisablePubkeyAlgo,
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oAllowNonSelfsignedUID,
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oAllowFreeformUID,
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oNoLiteral,
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oSetFilesize,
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oHonorHttpProxy,
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oFastListMode,
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oListOnly,
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oIgnoreTimeConflict,
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oNoRandomSeedFile,
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oNoAutoKeyRetrieve,
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oUseAgent,
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oMergeOnly,
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oTryAllSecrets,
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oTrustedKey,
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oEmuMDEncodeBug,
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aDummy
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};
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static ARGPARSE_OPTS opts[] = {
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{ 300, NULL, 0, N_("@Commands:\n ") },
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{ aSign, "sign", 256, N_("|[file]|make a signature")},
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{ aClearsign, "clearsign", 256, N_("|[file]|make a clear text signature") },
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{ aDetachedSign, "detach-sign", 256, N_("make a detached signature")},
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{ aEncr, "encrypt", 256, N_("encrypt data")},
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{ aSym, "symmetric", 256, N_("encryption only with symmetric cipher")},
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{ aDecrypt, "decrypt", 256, N_("decrypt data (default)")},
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{ aVerify, "verify" , 256, N_("verify a signature")},
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{ aVerifyFiles, "verify-files" , 256, "@" },
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{ aListKeys, "list-keys", 256, N_("list keys")},
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{ aListExternalKeys, "list-external-keys", 256, N_("list external keys")},
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{ aListSecretKeys, "list-secret-keys", 256, N_("list secret keys")},
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{ aListSigs, "list-sigs", 256, N_("list certificate chain")},
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{ aListSigs, "check-sigs",256, "@"},
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{ oFingerprint, "fingerprint", 256, N_("list keys and fingerprints")},
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{ aListSecretKeys, "list-secret-keys", 256, N_("list secret keys")},
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{ aKeygen, "gen-key", 256, N_("generate a new key pair")},
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{ aDeleteKey, "delete-key",256, N_("remove key from the public keyring")},
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{ aSendKeys, "send-keys" , 256, N_("export keys to a key server") },
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{ aRecvKeys, "recv-keys" , 256, N_("import keys from a key server") },
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{ aImport, "import", 256 , N_("import certificates")},
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{ aExport, "export", 256 , N_("export certificates")},
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{ aLearnCard, "learn-card", 256 ,N_("register a smartcard")},
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{ aServer, "server", 256, N_("run in server mode")},
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{ oLogFile, "log-file" ,2, N_("use a log file for the server")},
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{ 301, NULL, 0, N_("@\nOptions:\n ") },
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{ oArmor, "armor", 0, N_("create ascii armored output")},
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{ oArmor, "armour", 0, "@" },
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{ oBase64, "base64", 0, N_("create base-64 encoded output")},
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{ oAssumeArmor, "assume-armor", 0, N_("assume input is in PEM format")},
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{ oAssumeBase64, "assume-base64", 0,
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N_("assume input is in base-64 format")},
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{ oAssumeBinary, "assume-binary", 0,
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N_("assume input is in binary format")},
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{ oRecipient, "recipient", 2, N_("|NAME|encrypt for NAME")},
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{ oDisableCRLChecks, "disable-crl-checks", 0, N_("never consult a CRL")},
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{ oEnableCRLChecks, "enable-crl-checks", 0, "@"},
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{ oIncludeCerts, "include-certs", 1,
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N_("|N|number of certificates to include") },
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{ oPolicyFile, "policy-file", 2,
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N_("|FILE|take policy information from FILE") },
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{ oDisablePolicyChecks, "disable-policy-checks", 0,
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N_("do not check certificate policies")},
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{ oEnablePolicyChecks, "enable-policy-checks", 0, "@"},
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{ oAutoIssuerKeyRetrieve, "auto-issuer-key-retrieve", 0,
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N_("fetch missing issuer certificates")},
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#if 0
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{ oDefRecipient, "default-recipient" ,2,
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N_("|NAME|use NAME as default recipient")},
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{ oDefRecipientSelf, "default-recipient-self" ,0,
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N_("use the default key as default recipient")},
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{ oNoDefRecipient, "no-default-recipient", 0, "@" },
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{ oEncryptTo, "encrypt-to", 2, "@" },
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{ oNoEncryptTo, "no-encrypt-to", 0, "@" },
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#endif
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{ oUser, "local-user",2, N_("use this user-id to sign or decrypt")},
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#if 0
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{ oCompress, NULL, 1, N_("|N|set compress level N (0 disables)") },
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{ oTextmodeShort, NULL, 0, "@"},
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{ oTextmode, "textmode", 0, N_("use canonical text mode")},
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#endif
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{ oOutput, "output", 2, N_("use as output file")},
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{ oVerbose, "verbose", 0, N_("verbose") },
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{ oQuiet, "quiet", 0, N_("be somewhat more quiet") },
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{ oNoTTY, "no-tty", 0, N_("don't use the terminal at all") },
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#if 0
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{ oForceV3Sigs, "force-v3-sigs", 0, N_("force v3 signatures") },
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{ oForceMDC, "force-mdc", 0, N_("always use a MDC for encryption") },
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#endif
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{ oDryRun, "dry-run", 0, N_("do not make any changes") },
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/*{ oInteractive, "interactive", 0, N_("prompt before overwriting") }, */
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/*{ oUseAgent, "use-agent",0, N_("use the gpg-agent")},*/
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{ oBatch, "batch", 0, N_("batch mode: never ask")},
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{ oAnswerYes, "yes", 0, N_("assume yes on most questions")},
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{ oAnswerNo, "no", 0, N_("assume no on most questions")},
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{ oKeyring, "keyring" ,2, N_("add this keyring to the list of keyrings")},
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{ oSecretKeyring, "secret-keyring" ,2, N_("add this secret keyring to the list")},
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{ oDefaultKey, "default-key" ,2, N_("|NAME|use NAME as default secret key")},
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{ oKeyServer, "keyserver",2, N_("|HOST|use this keyserver to lookup keys")},
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{ oCharset, "charset" , 2, N_("|NAME|set terminal charset to NAME") },
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{ oOptions, "options" , 2, N_("read options from file")},
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{ oDebug, "debug" ,4|16, "@"},
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{ oDebugAll, "debug-all" ,0, "@"},
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{ oDebugWait, "debug-wait" ,1, "@"},
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{ oDebugNoChainValidation, "debug-no-chain-validation" ,0, "@"},
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{ oStatusFD, "status-fd" ,1, N_("|FD|write status info to this FD") },
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{ aDummy, "no-comment", 0, "@"},
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{ aDummy, "completes-needed", 1, "@"},
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{ aDummy, "marginals-needed", 1, "@"},
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{ oMaxCertDepth, "max-cert-depth", 1, "@" },
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{ aDummy, "trusted-key", 2, "@"},
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{ oLoadExtension, "load-extension" ,2,
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N_("|FILE|load extension module FILE")},
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{ aDummy, "rfc1991", 0, "@"},
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{ aDummy, "openpgp", 0, "@"},
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{ aDummy, "s2k-mode", 1, "@"},
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{ aDummy, "s2k-digest-algo",2, "@"},
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{ aDummy, "s2k-cipher-algo",2, "@"},
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{ oCipherAlgo, "cipher-algo", 2 , N_("|NAME|use cipher algorithm NAME")},
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{ oDigestAlgo, "digest-algo", 2 ,
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N_("|NAME|use message digest algorithm NAME")},
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#if 0
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{ oCompressAlgo, "compress-algo", 1 , N_("|N|use compress algorithm N")},
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#endif
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{ aDummy, "throw-keyid", 0, "@"},
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{ aDummy, "notation-data", 2, "@"},
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{ 302, NULL, 0, N_(
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"@\n(See the man page for a complete listing of all commands and options)\n"
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)},
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{ 303, NULL, 0, N_("@\nExamples:\n\n"
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" -se -r Bob [file] sign and encrypt for user Bob\n"
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" --clearsign [file] make a clear text signature\n"
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" --detach-sign [file] make a detached signature\n"
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" --list-keys [names] show keys\n"
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" --fingerprint [names] show fingerprints\n" ) },
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/* hidden options */
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{ oNoVerbose, "no-verbose", 0, "@"},
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{ oEnableSpecialFilenames, "enable-special-filenames", 0, "@" },
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{ oTrustDBName, "trustdb-name", 2, "@" },
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{ oNoSecmemWarn, "no-secmem-warning", 0, "@" },
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{ oNoArmor, "no-armor", 0, "@"},
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{ oNoArmor, "no-armour", 0, "@"},
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{ oNoDefKeyring, "no-default-keyring", 0, "@" },
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{ oNoGreeting, "no-greeting", 0, "@" },
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{ oNoOptions, "no-options", 0, "@" }, /* shortcut for --options /dev/null */
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{ oHomedir, "homedir", 2, "@" }, /* defaults to "~/.gnupg" */
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{ oAgentProgram, "agent-program", 2 , "@" },
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{ oDisplay, "display", 2, "@" },
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{ oTTYname, "ttyname", 2, "@" },
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{ oTTYtype, "ttytype", 2, "@" },
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{ oLCctype, "lc-ctype", 2, "@" },
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{ oLCmessages, "lc-messages", 2, "@" },
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{ oDirmngrProgram, "dirmngr-program", 2 , "@" },
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{ oFakedSystemTime, "faked-system-time", 4, "@" }, /* (epoch time) */
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{ oNoBatch, "no-batch", 0, "@" },
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{ oWithColons, "with-colons", 0, "@"},
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{ oWithKeyData,"with-key-data", 0, "@"},
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{ aListKeys, "list-key", 0, "@" }, /* alias */
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{ aListSigs, "list-sig", 0, "@" }, /* alias */
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{ aListSigs, "check-sig",0, "@" }, /* alias */
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{ oSkipVerify, "skip-verify",0, "@" },
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{ oCompressKeys, "compress-keys",0, "@"},
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{ oCompressSigs, "compress-sigs",0, "@"},
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{ oAlwaysTrust, "always-trust", 0, "@"},
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{ oNoVersion, "no-version", 0, "@"},
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{ oLockOnce, "lock-once", 0, "@" },
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{ oLockMultiple, "lock-multiple", 0, "@" },
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{ oLockNever, "lock-never", 0, "@" },
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{ oLoggerFD, "logger-fd",1, "@" },
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{ oWithFingerprint, "with-fingerprint", 0, "@" },
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{ oDisableCipherAlgo, "disable-cipher-algo", 2, "@" },
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{ oDisablePubkeyAlgo, "disable-pubkey-algo", 2, "@" },
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{ oHonorHttpProxy,"honor-http-proxy", 0, "@" },
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{ oListOnly, "list-only", 0, "@"},
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{ oIgnoreTimeConflict, "ignore-time-conflict", 0, "@" },
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{ oNoRandomSeedFile, "no-random-seed-file", 0, "@" },
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{0} };
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int gpgsm_errors_seen = 0;
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/* It is possible that we are currentlu running under setuid permissions */
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static int maybe_setuid = 1;
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/* Option --enable-special-filenames */
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static int allow_special_filenames;
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static char *build_list (const char *text,
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const char *(*mapf)(int), int (*chkf)(int));
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static void set_cmd (enum cmd_and_opt_values *ret_cmd,
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enum cmd_and_opt_values new_cmd );
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static void emergency_cleanup (void);
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static int check_special_filename (const char *fname);
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static int open_read (const char *filename);
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static FILE *open_fwrite (const char *filename);
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static int
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our_pk_test_algo (int algo)
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{
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return 1;
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}
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static int
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our_cipher_test_algo (int algo)
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{
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return 1;
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}
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static int
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our_md_test_algo (int algo)
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{
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return 1;
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}
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static const char *
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my_strusage( int level )
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{
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static char *digests, *pubkeys, *ciphers;
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const char *p;
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switch (level)
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{
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case 11: p = "gpgsm (GnuPG)";
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break;
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case 13: p = VERSION; break;
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case 17: p = PRINTABLE_OS_NAME; break;
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case 19: p = _("Please report bugs to <" PACKAGE_BUGREPORT ">.\n");
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break;
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case 1:
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case 40: p = _("Usage: gpgsm [options] [files] (-h for help)");
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break;
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case 41:
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p = _("Syntax: gpgsm [options] [files]\n"
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"sign, check, encrypt or decrypt using the S/MIME protocol\n"
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"default operation depends on the input data\n");
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break;
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case 31: p = "\nHome: "; break;
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case 32: p = opt.homedir; break;
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case 33: p = _("\nSupported algorithms:\n"); break;
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case 34:
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if (!ciphers)
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ciphers = build_list ("Cipher: ", gcry_cipher_algo_name,
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our_cipher_test_algo );
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p = ciphers;
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break;
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case 35:
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if (!pubkeys)
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pubkeys = build_list ("Pubkey: ", gcry_pk_algo_name,
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our_pk_test_algo );
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p = pubkeys;
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break;
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case 36:
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if (!digests)
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digests = build_list("Hash: ", gcry_md_algo_name, our_md_test_algo );
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p = digests;
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break;
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|
|
|
default: p = NULL; break;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
|
|
static char *
|
|
build_list (const char *text, const char * (*mapf)(int), int (*chkf)(int))
|
|
{
|
|
int i;
|
|
size_t n=strlen(text)+2;
|
|
char *list, *p;
|
|
|
|
if (maybe_setuid) {
|
|
gcry_control (GCRYCTL_DROP_PRIVS); /* drop setuid */
|
|
}
|
|
|
|
for (i=1; i < 110; i++ )
|
|
if (!chkf(i))
|
|
n += strlen(mapf(i)) + 2;
|
|
list = xmalloc (21 + n);
|
|
*list = 0;
|
|
for (p=NULL, i=1; i < 110; i++)
|
|
{
|
|
if (!chkf(i))
|
|
{
|
|
if( !p )
|
|
p = stpcpy (list, text );
|
|
else
|
|
p = stpcpy (p, ", ");
|
|
p = stpcpy (p, mapf(i) );
|
|
}
|
|
}
|
|
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
|
|
# ifdef HAVE_LC_MESSAGES
|
|
setlocale (LC_TIME, "");
|
|
setlocale (LC_MESSAGES, "");
|
|
# else
|
|
setlocale (LC_ALL, "" );
|
|
# endif
|
|
bindtextdomain (PACKAGE, LOCALEDIR);
|
|
textdomain (PACKAGE);
|
|
# endif
|
|
#endif
|
|
}
|
|
|
|
|
|
static void
|
|
wrong_args (const char *text)
|
|
{
|
|
fputs (_("usage: gpgsm [options] "), stderr);
|
|
fputs (text, stderr);
|
|
putc ('\n', stderr);
|
|
gpgsm_exit (2);
|
|
}
|
|
|
|
|
|
static void
|
|
set_debug(void)
|
|
{
|
|
if (opt.debug & DBG_MPI_VALUE)
|
|
gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 2);
|
|
if (opt.debug & DBG_CRYPTO_VALUE )
|
|
gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 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 == aClearsign)
|
|
|| (cmd == aClearsign && new_cmd == aSign) )
|
|
cmd = aClearsign;
|
|
else
|
|
{
|
|
log_error(_("conflicting commands\n"));
|
|
gpgsm_exit(2);
|
|
}
|
|
|
|
*ret_cmd = cmd;
|
|
}
|
|
|
|
|
|
int
|
|
main ( int argc, char **argv)
|
|
{
|
|
ARGPARSE_ARGS pargs;
|
|
int orig_argc;
|
|
char **orig_argv;
|
|
const char *fname;
|
|
/* char *username;*/
|
|
int may_coredump;
|
|
STRLIST sl, remusr= NULL, locusr=NULL;
|
|
STRLIST nrings=NULL;
|
|
int detached_sig = 0;
|
|
FILE *configfp = NULL;
|
|
char *configname = NULL;
|
|
unsigned configlineno;
|
|
int parse_debug = 0;
|
|
int default_config =1;
|
|
int default_keyring = 1;
|
|
char *logfile = NULL;
|
|
int greeting = 0;
|
|
int nogreeting = 0;
|
|
int debug_wait = 0;
|
|
int use_random_seed = 1;
|
|
int with_fpr = 0;
|
|
char *def_digest_string = NULL;
|
|
enum cmd_and_opt_values cmd = 0;
|
|
struct server_control_s ctrl;
|
|
CERTLIST recplist = NULL;
|
|
CERTLIST signerlist = NULL;
|
|
|
|
/* trap_unaligned ();*/
|
|
set_strusage (my_strusage);
|
|
gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);
|
|
/* We don't need any locking in libgcrypt unless we use any kind of
|
|
threading. */
|
|
gcry_control (GCRYCTL_DISABLE_INTERNAL_LOCKING);
|
|
|
|
/* 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_prefix ("gpgsm", 1);
|
|
/* check that the libraries are suitable. Do it here because the
|
|
option parse may need services of the library */
|
|
if (!gcry_check_version (NEED_LIBGCRYPT_VERSION) )
|
|
{
|
|
log_fatal( _("libgcrypt is too old (need %s, have %s)\n"),
|
|
NEED_LIBGCRYPT_VERSION, gcry_check_version (NULL) );
|
|
}
|
|
if (!ksba_check_version (NEED_KSBA_VERSION) )
|
|
{
|
|
log_fatal( _("libksba is too old (need %s, have %s)\n"),
|
|
NEED_KSBA_VERSION, ksba_check_version (NULL) );
|
|
}
|
|
|
|
gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);
|
|
|
|
may_coredump = disable_core_dumps ();
|
|
|
|
gnupg_init_signals (0, emergency_cleanup);
|
|
|
|
create_dotlock (NULL); /* register locking cleanup */
|
|
i18n_init();
|
|
|
|
opt.def_cipher_algoid = "1.2.840.113549.3.7"; /*des-EDE3-CBC*/
|
|
#ifdef __MINGW32__
|
|
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_DEFAULT_HOMEDIR;
|
|
|
|
/* first 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 config 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;
|
|
}
|
|
|
|
|
|
/* initialize the secure memory. */
|
|
gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
|
|
maybe_setuid = 0;
|
|
|
|
/*
|
|
Now we are now working under our real uid
|
|
*/
|
|
|
|
ksba_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free );
|
|
assuan_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free);
|
|
keybox_set_malloc_hooks (gcry_malloc, gcry_realloc, gcry_free);
|
|
|
|
/* Setup a default control structure for command line mode */
|
|
memset (&ctrl, 0, sizeof ctrl);
|
|
gpgsm_init_default_ctrl (&ctrl);
|
|
ctrl.no_server = 1;
|
|
ctrl.status_fd = -1; /* not status output */
|
|
ctrl.autodetect_encoding = 1;
|
|
|
|
/* set the default option file */
|
|
if (default_config )
|
|
configname = make_filename (opt.homedir, "gpgsm.conf", NULL);
|
|
/* cet the default policy file */
|
|
opt.policy_file = make_filename (opt.homedir, "policies.txt", 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) {
|
|
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));
|
|
gpgsm_exit(2);
|
|
}
|
|
xfree(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 aServer:
|
|
opt.batch = 1;
|
|
set_cmd (&cmd, aServer);
|
|
break;
|
|
|
|
case aCheckKeys: set_cmd (&cmd, aCheckKeys); break;
|
|
case aImport: set_cmd (&cmd, aImport); break;
|
|
case aSendKeys: set_cmd (&cmd, aSendKeys); break;
|
|
case aRecvKeys: set_cmd (&cmd, aRecvKeys); break;
|
|
case aExport: set_cmd (&cmd, aExport); break;
|
|
case aListKeys: set_cmd (&cmd, aListKeys); break;
|
|
case aListExternalKeys: set_cmd (&cmd, aListExternalKeys); break;
|
|
case aListSecretKeys: set_cmd (&cmd, aListSecretKeys); break;
|
|
case aListSigs: set_cmd (&cmd, aListSigs); break;
|
|
|
|
case aLearnCard: set_cmd (&cmd, aLearnCard); break;
|
|
|
|
case aDeleteKey:
|
|
set_cmd (&cmd, aDeleteKey);
|
|
/*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 aEncr: set_cmd (&cmd, aEncr); break;
|
|
case aSign: set_cmd (&cmd, aSign ); break;
|
|
case aKeygen: set_cmd (&cmd, aKeygen); greeting=1; break;
|
|
case aClearsign: set_cmd (&cmd, aClearsign); break;
|
|
case aVerify: set_cmd (&cmd, aVerify); break;
|
|
|
|
|
|
/* output encoding selection */
|
|
case oArmor:
|
|
ctrl.create_pem = 1;
|
|
break;
|
|
case oBase64:
|
|
ctrl.create_pem = 0;
|
|
ctrl.create_base64 = 1;
|
|
break;
|
|
case oNoArmor:
|
|
ctrl.create_pem = 0;
|
|
ctrl.create_base64 = 0;
|
|
break;
|
|
|
|
/* Input encoding selection */
|
|
case oAssumeArmor:
|
|
ctrl.autodetect_encoding = 0;
|
|
ctrl.is_pem = 1;
|
|
ctrl.is_base64 = 0;
|
|
break;
|
|
case oAssumeBase64:
|
|
ctrl.autodetect_encoding = 0;
|
|
ctrl.is_pem = 0;
|
|
ctrl.is_base64 = 1;
|
|
break;
|
|
case oAssumeBinary:
|
|
ctrl.autodetect_encoding = 0;
|
|
ctrl.is_pem = 0;
|
|
ctrl.is_base64 = 0;
|
|
break;
|
|
|
|
case oDisableCRLChecks:
|
|
opt.no_crl_check = 1;
|
|
break;
|
|
case oEnableCRLChecks:
|
|
opt.no_crl_check = 0;
|
|
break;
|
|
|
|
case oIncludeCerts: ctrl.include_certs = pargs.r.ret_int; break;
|
|
|
|
case oPolicyFile:
|
|
xfree (opt.policy_file);
|
|
if (*pargs.r.ret_str)
|
|
opt.policy_file = xstrdup (pargs.r.ret_str);
|
|
else
|
|
opt.policy_file = NULL;
|
|
break;
|
|
|
|
case oDisablePolicyChecks:
|
|
opt.no_policy_check = 1;
|
|
break;
|
|
case oEnablePolicyChecks:
|
|
opt.no_policy_check = 0;
|
|
break;
|
|
|
|
case oAutoIssuerKeyRetrieve:
|
|
opt.auto_issuer_key_retrieve = 1;
|
|
break;
|
|
|
|
case oOutput: opt.outfile = pargs.r.ret_str; break;
|
|
|
|
|
|
case oQuiet: opt.quiet = 1; break;
|
|
case oNoTTY: /* fixme:tty_no_terminal(1);*/ break;
|
|
case oDryRun: opt.dry_run = 1; break;
|
|
|
|
case oVerbose:
|
|
opt.verbose++;
|
|
gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
|
|
break;
|
|
case oNoVerbose:
|
|
opt.verbose = 0;
|
|
gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
|
|
break;
|
|
|
|
case oLogFile: logfile = pargs.r.ret_str; break;
|
|
|
|
case oBatch:
|
|
opt.batch = 1;
|
|
greeting = 0;
|
|
break;
|
|
case oNoBatch: opt.batch = 0; 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 oDebug: opt.debug |= pargs.r.ret_ulong; break;
|
|
case oDebugAll: opt.debug = ~0; break;
|
|
case oDebugWait: debug_wait = pargs.r.ret_int; break;
|
|
case oDebugNoChainValidation: opt.no_chain_validation = 1; break;
|
|
|
|
case oStatusFD: ctrl.status_fd = pargs.r.ret_int; break;
|
|
case oLoggerFD: log_set_fd (pargs.r.ret_int ); break;
|
|
case oWithFingerprint:
|
|
with_fpr=1; /*fall thru*/
|
|
case oFingerprint:
|
|
opt.fingerprint++;
|
|
break;
|
|
|
|
case oOptions:
|
|
/* config files may not be nested (silently ignore them) */
|
|
if (!configfp)
|
|
{
|
|
xfree(configname);
|
|
configname = xstrdup (pargs.r.ret_str);
|
|
goto next_pass;
|
|
}
|
|
break;
|
|
case oNoOptions: break; /* no-options */
|
|
case oHomedir: opt.homedir = pargs.r.ret_str; break;
|
|
case oAgentProgram: opt.agent_program = pargs.r.ret_str; break;
|
|
case oDisplay: opt.display = xstrdup (pargs.r.ret_str); break;
|
|
case oTTYname: opt.ttyname = xstrdup (pargs.r.ret_str); break;
|
|
case oTTYtype: opt.ttytype = xstrdup (pargs.r.ret_str); break;
|
|
case oLCctype: opt.lc_ctype = xstrdup (pargs.r.ret_str); break;
|
|
case oLCmessages: opt.lc_messages = xstrdup (pargs.r.ret_str); break;
|
|
case oDirmngrProgram: opt.dirmngr_program = pargs.r.ret_str; break;
|
|
|
|
case oFakedSystemTime:
|
|
gnupg_set_time ( (time_t)pargs.r.ret_ulong, 0);
|
|
break;
|
|
|
|
case oNoDefKeyring: default_keyring = 0; break;
|
|
case oNoGreeting: nogreeting = 1; break;
|
|
|
|
case oDefaultKey:
|
|
/* fixme:opt.def_secret_key = pargs.r.ret_str;*/
|
|
break;
|
|
case oDefRecipient:
|
|
if (*pargs.r.ret_str)
|
|
opt.def_recipient = xstrdup (pargs.r.ret_str);
|
|
break;
|
|
case oDefRecipientSelf:
|
|
xfree (opt.def_recipient);
|
|
opt.def_recipient = NULL;
|
|
opt.def_recipient_self = 1;
|
|
break;
|
|
case oNoDefRecipient:
|
|
xfree (opt.def_recipient);
|
|
opt.def_recipient = NULL;
|
|
opt.def_recipient_self = 0;
|
|
break;
|
|
|
|
case oWithKeyData: opt.with_key_data=1; /* fall thru */
|
|
case oWithColons: ctrl.with_colons = 1; break;
|
|
|
|
case oSkipVerify: opt.skip_verify=1; break;
|
|
|
|
case oNoEncryptTo: /*fixme: opt.no_encrypt_to = 1;*/ break;
|
|
case oEncryptTo: /* store the recipient in the second list */
|
|
sl = add_to_strlist (&remusr, pargs.r.ret_str);
|
|
sl->flags = 1;
|
|
break;
|
|
|
|
case oRecipient: /* store the recipient */
|
|
add_to_strlist ( &remusr, pargs.r.ret_str);
|
|
break;
|
|
|
|
case oTextmodeShort: /*fixme:opt.textmode = 2;*/ break;
|
|
case oTextmode: /*fixme:opt.textmode=1;*/ break;
|
|
|
|
case oUser: /* store the local users, the first one is the default */
|
|
if (!opt.local_user)
|
|
opt.local_user = pargs.r.ret_str;
|
|
add_to_strlist (&locusr, pargs.r.ret_str);
|
|
break;
|
|
|
|
case oNoSecmemWarn:
|
|
gcry_control (GCRYCTL_DISABLE_SECMEM_WARN);
|
|
break;
|
|
|
|
case oCipherAlgo:
|
|
opt.def_cipher_algoid = pargs.r.ret_str;
|
|
break;
|
|
|
|
case oDisableCipherAlgo:
|
|
{
|
|
int algo = gcry_cipher_map_name (pargs.r.ret_str);
|
|
gcry_cipher_ctl (NULL, GCRYCTL_DISABLE_ALGO, &algo, sizeof algo);
|
|
}
|
|
break;
|
|
case oDisablePubkeyAlgo:
|
|
{
|
|
int algo = gcry_pk_map_name (pargs.r.ret_str);
|
|
gcry_pk_ctl (GCRYCTL_DISABLE_ALGO,&algo, sizeof algo );
|
|
}
|
|
break;
|
|
|
|
case oIgnoreTimeConflict: opt.ignore_time_conflict = 1; break;
|
|
case oNoRandomSeedFile: use_random_seed = 0; break;
|
|
|
|
case oEnableSpecialFilenames: allow_special_filenames =1; break;
|
|
|
|
|
|
case aDummy:
|
|
break;
|
|
default:
|
|
pargs.err = configfp? 1:2;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (configfp)
|
|
{
|
|
fclose (configfp);
|
|
configfp = NULL;
|
|
xfree (configname);
|
|
configname = NULL;
|
|
goto next_pass;
|
|
}
|
|
|
|
xfree (configname);
|
|
configname = NULL;
|
|
|
|
if (log_get_errorcount(0))
|
|
gpgsm_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
|
|
|
|
if (may_coredump && !opt.quiet)
|
|
log_info (_("WARNING: program may create a core file!\n"));
|
|
|
|
if (logfile && cmd == aServer)
|
|
{
|
|
log_set_file (logfile);
|
|
log_set_prefix (NULL, 1|2|4);
|
|
}
|
|
|
|
if (gnupg_faked_time_p ())
|
|
{
|
|
log_info (_("WARNING: running with faked system time: "));
|
|
gpgsm_dump_time (gnupg_get_time ());
|
|
log_printf ("\n");
|
|
}
|
|
|
|
/*FIXME if (opt.batch) */
|
|
/* tty_batchmode (1); */
|
|
|
|
gcry_control (GCRYCTL_RESUME_SECMEM_WARN);
|
|
|
|
set_debug ();
|
|
|
|
/* FIXME: should set filenames of libgcrypt explicitly
|
|
* gpg_opt_homedir = opt.homedir; */
|
|
|
|
/* must do this after dropping setuid, because the mapping functions
|
|
may try to load an module and we may have disabled an algorithm */
|
|
if ( !gcry_cipher_map_name (opt.def_cipher_algoid)
|
|
|| !gcry_cipher_mode_from_oid (opt.def_cipher_algoid))
|
|
log_error (_("selected cipher algorithm is invalid\n"));
|
|
|
|
if (def_digest_string)
|
|
{
|
|
opt.def_digest_algo = gcry_md_map_name (def_digest_string);
|
|
xfree (def_digest_string);
|
|
def_digest_string = NULL;
|
|
if (our_md_test_algo(opt.def_digest_algo) )
|
|
log_error (_("selected digest algorithm is invalid\n"));
|
|
}
|
|
|
|
if (log_get_errorcount(0))
|
|
gpgsm_exit(2);
|
|
|
|
/* set the random seed file */
|
|
if (use_random_seed) {
|
|
char *p = make_filename (opt.homedir, "random_seed", NULL);
|
|
#if 0
|
|
#warning set_random_seed_file not yet available in Libgcrypt
|
|
set_random_seed_file(p);
|
|
#endif
|
|
xfree(p);
|
|
}
|
|
|
|
|
|
if (!cmd && opt.fingerprint && !with_fpr)
|
|
set_cmd (&cmd, aListKeys);
|
|
|
|
if (!nrings && default_keyring) /* add default keybox */
|
|
keydb_add_resource ("pubring.kbx", 0, 0);
|
|
for (sl = nrings; sl; sl = sl->next)
|
|
keydb_add_resource (sl->d, 0, 0);
|
|
FREE_STRLIST(nrings);
|
|
|
|
|
|
for (sl = locusr; sl; sl = sl->next)
|
|
{
|
|
int rc = gpgsm_add_to_certlist (&ctrl, sl->d, 1, &signerlist);
|
|
if (rc)
|
|
{
|
|
log_error (_("can't sign using `%s': %s\n"),
|
|
sl->d, gnupg_strerror (rc));
|
|
gpgsm_status2 (&ctrl, STATUS_INV_RECP,
|
|
rc == -1? "1":
|
|
rc == GNUPG_No_Public_Key? "1":
|
|
rc == GNUPG_Ambiguous_Name? "2":
|
|
rc == GNUPG_Wrong_Key_Usage? "3":
|
|
rc == GNUPG_Certificate_Revoked? "4":
|
|
rc == GNUPG_Certificate_Expired? "5":
|
|
rc == GNUPG_No_CRL_Known? "6":
|
|
rc == GNUPG_CRL_Too_Old? "7":
|
|
rc == GNUPG_No_Policy_Match? "8":
|
|
rc == GNUPG_No_Secret_Key? "9":
|
|
"0",
|
|
sl->d, NULL);
|
|
}
|
|
}
|
|
for (sl = remusr; sl; sl = sl->next)
|
|
{
|
|
int rc = gpgsm_add_to_certlist (&ctrl, sl->d, 0, &recplist);
|
|
if (rc)
|
|
{
|
|
log_error (_("can't encrypt to `%s': %s\n"),
|
|
sl->d, gnupg_strerror (rc));
|
|
gpgsm_status2 (&ctrl, STATUS_INV_RECP,
|
|
rc == -1? "1":
|
|
rc == GNUPG_No_Public_Key? "1":
|
|
rc == GNUPG_Ambiguous_Name? "2":
|
|
rc == GNUPG_Wrong_Key_Usage? "3":
|
|
rc == GNUPG_Certificate_Revoked? "4":
|
|
rc == GNUPG_Certificate_Expired? "5":
|
|
rc == GNUPG_No_CRL_Known? "6":
|
|
rc == GNUPG_CRL_Too_Old? "7":
|
|
rc == GNUPG_No_Policy_Match? "8":
|
|
"0",
|
|
sl->d, NULL);
|
|
}
|
|
}
|
|
if (log_get_errorcount(0))
|
|
gpgsm_exit(1); /* must stop for invalid recipients */
|
|
|
|
|
|
|
|
fname = argc? *argv : NULL;
|
|
|
|
switch (cmd)
|
|
{
|
|
case aServer:
|
|
if (debug_wait)
|
|
{
|
|
log_debug ("waiting for debugger - my pid is %u .....\n",
|
|
(unsigned int)getpid());
|
|
sleep (debug_wait);
|
|
log_debug ("... okay\n");
|
|
}
|
|
gpgsm_server ();
|
|
break;
|
|
|
|
case aEncr: /* encrypt the given file */
|
|
if (!argc)
|
|
gpgsm_encrypt (&ctrl, recplist, 0, stdout); /* from stdin */
|
|
else if (argc == 1)
|
|
gpgsm_encrypt (&ctrl, recplist, open_read (*argv), stdout); /* from file */
|
|
else
|
|
wrong_args (_("--encrypt [datafile]"));
|
|
break;
|
|
|
|
case aSign: /* sign the given file */
|
|
/* FIXME: We don't handle --output yet. We should also allow
|
|
to concatenate multiple files for signing because that is
|
|
what gpg does.*/
|
|
if (!argc)
|
|
gpgsm_sign (&ctrl, signerlist,
|
|
0, detached_sig, stdout); /* create from stdin */
|
|
else if (argc == 1)
|
|
gpgsm_sign (&ctrl, signerlist,
|
|
open_read (*argv), detached_sig, stdout); /* from file */
|
|
else
|
|
wrong_args (_("--sign [datafile]"));
|
|
break;
|
|
|
|
case aSignEncr: /* sign and encrypt the given file */
|
|
log_error ("this command has not yet been implemented\n");
|
|
break;
|
|
|
|
case aClearsign: /* make a clearsig */
|
|
log_error ("this command has not yet been implemented\n");
|
|
break;
|
|
|
|
case aVerify:
|
|
{
|
|
FILE *fp = NULL;
|
|
|
|
if (argc == 2 && opt.outfile)
|
|
log_info ("option --output ignored for a detached signature\n");
|
|
else if (opt.outfile)
|
|
fp = open_fwrite (opt.outfile);
|
|
|
|
if (!argc)
|
|
gpgsm_verify (&ctrl, 0, -1, fp); /* normal signature from stdin */
|
|
else if (argc == 1)
|
|
gpgsm_verify (&ctrl, open_read (*argv), -1, fp); /* std signature */
|
|
else if (argc == 2) /* detached signature (sig, detached) */
|
|
gpgsm_verify (&ctrl, open_read (*argv), open_read (argv[1]), NULL);
|
|
else
|
|
wrong_args (_("--verify [signature [detached_data]]"));
|
|
|
|
if (fp && fp != stdout)
|
|
fclose (fp);
|
|
}
|
|
break;
|
|
|
|
case aVerifyFiles:
|
|
log_error ("this command has not yet been implemented\n");
|
|
break;
|
|
|
|
case aDecrypt:
|
|
if (!argc)
|
|
gpgsm_decrypt (&ctrl, 0, stdout); /* from stdin */
|
|
else if (argc == 1)
|
|
gpgsm_decrypt (&ctrl, open_read (*argv), stdout); /* from file */
|
|
else
|
|
wrong_args (_("--decrypt [filename]"));
|
|
break;
|
|
|
|
case aDeleteKey:
|
|
for (sl=NULL; argc; argc--, argv++)
|
|
add_to_strlist (&sl, *argv);
|
|
gpgsm_delete (&ctrl, sl);
|
|
free_strlist(sl);
|
|
break;
|
|
|
|
case aListSigs:
|
|
ctrl.with_chain = 1;
|
|
case aListKeys:
|
|
for (sl=NULL; argc; argc--, argv++)
|
|
add_to_strlist (&sl, *argv);
|
|
gpgsm_list_keys (&ctrl, sl, stdout, (0 | (1<<6)));
|
|
free_strlist(sl);
|
|
break;
|
|
|
|
case aListExternalKeys:
|
|
for (sl=NULL; argc; argc--, argv++)
|
|
add_to_strlist (&sl, *argv);
|
|
gpgsm_list_keys (&ctrl, sl, stdout, (0 | (1<<7)));
|
|
free_strlist(sl);
|
|
break;
|
|
|
|
case aListSecretKeys:
|
|
for (sl=NULL; argc; argc--, argv++)
|
|
add_to_strlist (&sl, *argv);
|
|
gpgsm_list_keys (&ctrl, sl, stdout, (2 | (1<<6)));
|
|
free_strlist(sl);
|
|
break;
|
|
|
|
case aKeygen: /* generate a key */
|
|
log_error ("this function is not yet available from the commandline\n");
|
|
break;
|
|
|
|
case aImport:
|
|
gpgsm_import_files (&ctrl, argc, argv, open_read);
|
|
break;
|
|
|
|
case aExport:
|
|
for (sl=NULL; argc; argc--, argv++)
|
|
add_to_strlist (&sl, *argv);
|
|
gpgsm_export (&ctrl, sl, stdout);
|
|
free_strlist(sl);
|
|
break;
|
|
|
|
|
|
case aSendKeys:
|
|
case aRecvKeys:
|
|
log_error ("this command has not yet been implemented\n");
|
|
break;
|
|
|
|
|
|
case aLearnCard:
|
|
if (argc)
|
|
wrong_args ("--learn-card");
|
|
else
|
|
{
|
|
int rc = gpgsm_agent_learn ();
|
|
if (rc)
|
|
log_error ("error learning card: %s\n", gnupg_strerror (rc));
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
log_error ("invalid command (there is no implicit command)\n");
|
|
break;
|
|
}
|
|
|
|
/* cleanup */
|
|
gpgsm_release_certlist (recplist);
|
|
gpgsm_release_certlist (signerlist);
|
|
FREE_STRLIST(remusr);
|
|
FREE_STRLIST(locusr);
|
|
gpgsm_exit(0);
|
|
return 8; /*NEVER REACHED*/
|
|
}
|
|
|
|
/* Note: This function is used by signal handlers!. */
|
|
static void
|
|
emergency_cleanup (void)
|
|
{
|
|
gcry_control (GCRYCTL_TERM_SECMEM );
|
|
}
|
|
|
|
|
|
void
|
|
gpgsm_exit (int rc)
|
|
{
|
|
#if 0
|
|
#warning no update_random_seed_file
|
|
update_random_seed_file();
|
|
#endif
|
|
#if 0
|
|
/* at this time a bit annoying */
|
|
if (opt.debug & DBG_MEMSTAT_VALUE)
|
|
{
|
|
gcry_control( GCRYCTL_DUMP_MEMORY_STATS );
|
|
gcry_control( GCRYCTL_DUMP_RANDOM_STATS );
|
|
}
|
|
if (opt.debug)
|
|
gcry_control (GCRYCTL_DUMP_SECMEM_STATS );
|
|
#endif
|
|
emergency_cleanup ();
|
|
rc = rc? rc : log_get_errorcount(0)? 2 : gpgsm_errors_seen? 1 : 0;
|
|
exit (rc);
|
|
}
|
|
|
|
|
|
void
|
|
gpgsm_init_default_ctrl (struct server_control_s *ctrl)
|
|
{
|
|
ctrl->include_certs = 1; /* only include the signer's cert */
|
|
}
|
|
|
|
|
|
|
|
/* Check whether the filename has the form "-&nnnn", where n is a
|
|
non-zero number. Returns this number or -1 if it is not the case. */
|
|
static int
|
|
check_special_filename (const char *fname)
|
|
{
|
|
if (allow_special_filenames
|
|
&& fname && *fname == '-' && fname[1] == '&' ) {
|
|
int i;
|
|
|
|
fname += 2;
|
|
for (i=0; isdigit (fname[i]); i++ )
|
|
;
|
|
if ( !fname[i] )
|
|
return atoi (fname);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
|
|
/* Open the FILENAME for read and return the filedescriptor. Stop
|
|
with an error message in case of problems. "-" denotes stdin and
|
|
if special filenames are allowed the given fd is opened instead. */
|
|
static int
|
|
open_read (const char *filename)
|
|
{
|
|
int fd;
|
|
|
|
if (filename[0] == '-' && !filename[1])
|
|
return 0; /* stdin */
|
|
fd = check_special_filename (filename);
|
|
if (fd != -1)
|
|
return fd;
|
|
fd = open (filename, O_RDONLY);
|
|
if (fd == -1)
|
|
{
|
|
log_error (_("can't open `%s': %s\n"), filename, strerror (errno));
|
|
gpgsm_exit (2);
|
|
}
|
|
return fd;
|
|
}
|
|
|
|
/* Open FILENAME for fwrite and return the stream. Stop with an error
|
|
message in case of problems. "-" denotes stdout and if special
|
|
filenames are allowed the given fd is opened instead. Caller must
|
|
close the returned stream unless it is stdout. */
|
|
static FILE *
|
|
open_fwrite (const char *filename)
|
|
{
|
|
int fd;
|
|
FILE *fp;
|
|
|
|
if (filename[0] == '-' && !filename[1])
|
|
return stdout;
|
|
|
|
fd = check_special_filename (filename);
|
|
if (fd != -1)
|
|
{
|
|
fp = fdopen (dup (fd), "wb");
|
|
if (!fp)
|
|
{
|
|
log_error ("fdopen(%d) failed: %s\n", fd, strerror (errno));
|
|
gpgsm_exit (2);
|
|
}
|
|
return fp;
|
|
}
|
|
fp = fopen (filename, "wb");
|
|
if (!fp)
|
|
{
|
|
log_error (_("can't open `%s': %s\n"), filename, strerror (errno));
|
|
gpgsm_exit (2);
|
|
}
|
|
return fp;
|
|
}
|