mirror of
https://github.com/rn10950/RetroZilla.git
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310 lines
8.3 KiB
C
310 lines
8.3 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* p7sign -- A command to create a *detached* pkcs7 signature (over a given
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* input file).
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*
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* $Id: p7sign.c,v 1.14 2008/08/04 22:58:28 julien.pierre.boogz%sun.com Exp $
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*/
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#include "nspr.h"
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#include "plgetopt.h"
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#include "secutil.h"
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#include "secpkcs7.h"
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#include "cert.h"
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#include "certdb.h"
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#include "sechash.h" /* for HASH_GetHashObject() */
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#include "nss.h"
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#include "pk11func.h"
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#if defined(XP_UNIX)
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#include <unistd.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#if (defined(XP_WIN) && !defined(WIN32)) || (defined(__sun) && !defined(SVR4))
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extern int fread(char *, size_t, size_t, FILE*);
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extern int fwrite(char *, size_t, size_t, FILE*);
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extern int fprintf(FILE *, char *, ...);
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#endif
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static secuPWData pwdata = { PW_NONE, 0 };
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static void
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Usage(char *progName)
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{
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fprintf(stderr,
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"Usage: %s -k keyname [-d keydir] [-i input] [-o output]\n",
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progName);
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fprintf(stderr, "%-20s Nickname of key to use for signature\n",
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"-k keyname");
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fprintf(stderr, "%-20s Key database directory (default is ~/.netscape)\n",
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"-d keydir");
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fprintf(stderr, "%-20s Define an input file to use (default is stdin)\n",
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"-i input");
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fprintf(stderr, "%-20s Define an output file to use (default is stdout)\n",
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"-o output");
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fprintf(stderr, "%-20s Encapsulate content in signature message\n",
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"-e");
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fprintf(stderr, "%-20s Password to the key databse\n", "-p");
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fprintf(stderr, "%-20s password file\n", "-f");
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exit(-1);
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}
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static void
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SignOut(void *arg, const char *buf, unsigned long len)
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{
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FILE *out;
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out = (FILE*) arg;
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fwrite (buf, len, 1, out);
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}
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static int
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CreateDigest(SECItem *data, char *digestdata, unsigned int *len, unsigned int maxlen)
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{
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const SECHashObject *hashObj;
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void *hashcx;
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/* XXX probably want to extend interface to allow other hash algorithms */
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hashObj = HASH_GetHashObject(HASH_AlgSHA1);
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hashcx = (* hashObj->create)();
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if (hashcx == NULL)
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return -1;
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(* hashObj->begin)(hashcx);
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(* hashObj->update)(hashcx, data->data, data->len);
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(* hashObj->end)(hashcx, (unsigned char *)digestdata, len, maxlen);
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(* hashObj->destroy)(hashcx, PR_TRUE);
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return 0;
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}
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static int
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SignFile(FILE *outFile, PRFileDesc *inFile, CERTCertificate *cert,
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PRBool encapsulated)
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{
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char digestdata[32];
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unsigned int len;
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SECItem digest, data2sign;
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SEC_PKCS7ContentInfo *cinfo;
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SECStatus rv;
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if (outFile == NULL || inFile == NULL || cert == NULL)
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return -1;
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/* suck the file in */
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if (SECU_ReadDERFromFile(&data2sign, inFile, PR_FALSE) != SECSuccess)
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return -1;
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if (!encapsulated) {
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/* unfortunately, we must create the digest ourselves */
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/* SEC_PKCS7CreateSignedData should have a flag to not include */
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/* the content for non-encapsulated content at encode time, but */
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/* should always compute the hash itself */
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if (CreateDigest(&data2sign, digestdata, &len, 32) < 0)
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return -1;
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digest.data = (unsigned char *)digestdata;
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digest.len = len;
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}
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/* XXX Need a better way to handle that usage stuff! */
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cinfo = SEC_PKCS7CreateSignedData (cert, certUsageEmailSigner, NULL,
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SEC_OID_SHA1,
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encapsulated ? NULL : &digest,
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NULL, NULL);
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if (cinfo == NULL)
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return -1;
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if (encapsulated) {
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SEC_PKCS7SetContent(cinfo, (char *)data2sign.data, data2sign.len);
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}
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rv = SEC_PKCS7IncludeCertChain (cinfo, NULL);
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if (rv != SECSuccess) {
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SEC_PKCS7DestroyContentInfo (cinfo);
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return -1;
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}
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rv = SEC_PKCS7Encode (cinfo, SignOut, outFile, NULL,
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NULL, &pwdata);
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SEC_PKCS7DestroyContentInfo (cinfo);
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if (rv != SECSuccess)
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return -1;
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return 0;
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}
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int
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main(int argc, char **argv)
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{
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char *progName;
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FILE *outFile;
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PRFileDesc *inFile;
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char *keyName = NULL;
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CERTCertDBHandle *certHandle;
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CERTCertificate *cert;
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PRBool encapsulated = PR_FALSE;
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PLOptState *optstate;
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PLOptStatus status;
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SECStatus rv;
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progName = strrchr(argv[0], '/');
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progName = progName ? progName+1 : argv[0];
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inFile = NULL;
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outFile = NULL;
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keyName = NULL;
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/*
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* Parse command line arguments
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*/
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optstate = PL_CreateOptState(argc, argv, "ed:k:i:o:p:f:");
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while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
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switch (optstate->option) {
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case '?':
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Usage(progName);
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break;
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case 'e':
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/* create a message with the signed content encapsulated */
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encapsulated = PR_TRUE;
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break;
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case 'd':
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SECU_ConfigDirectory(optstate->value);
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break;
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case 'i':
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inFile = PR_Open(optstate->value, PR_RDONLY, 0);
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if (!inFile) {
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fprintf(stderr, "%s: unable to open \"%s\" for reading\n",
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progName, optstate->value);
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return -1;
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}
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break;
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case 'k':
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keyName = strdup(optstate->value);
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break;
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case 'o':
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outFile = fopen(optstate->value, "wb");
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if (!outFile) {
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fprintf(stderr, "%s: unable to open \"%s\" for writing\n",
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progName, optstate->value);
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return -1;
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}
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break;
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case 'p':
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pwdata.source = PW_PLAINTEXT;
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pwdata.data = strdup (optstate->value);
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break;
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case 'f':
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pwdata.source = PW_FROMFILE;
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pwdata.data = PORT_Strdup (optstate->value);
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break;
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}
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}
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if (!keyName) Usage(progName);
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if (!inFile) inFile = PR_STDIN;
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if (!outFile) outFile = stdout;
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/* Call the initialization routines */
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PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
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rv = NSS_Init(SECU_ConfigDirectory(NULL));
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if (rv != SECSuccess) {
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SECU_PrintPRandOSError(progName);
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goto loser;
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}
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PK11_SetPasswordFunc(SECU_GetModulePassword);
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/* open cert database */
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certHandle = CERT_GetDefaultCertDB();
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if (certHandle == NULL) {
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rv = SECFailure;
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goto loser;
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}
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/* find cert */
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cert = CERT_FindCertByNickname(certHandle, keyName);
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if (cert == NULL) {
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SECU_PrintError(progName,
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"the corresponding cert for key \"%s\" does not exist",
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keyName);
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rv = SECFailure;
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goto loser;
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}
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if (SignFile(outFile, inFile, cert, encapsulated)) {
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SECU_PrintError(progName, "problem signing data");
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rv = SECFailure;
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goto loser;
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}
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loser:
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if (pwdata.data) {
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PORT_Free(pwdata.data);
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}
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if (keyName) {
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PORT_Free(keyName);
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}
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if (cert) {
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CERT_DestroyCertificate(cert);
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}
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if (inFile && inFile != PR_STDIN) {
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PR_Close(inFile);
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}
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if (outFile && outFile != stdout) {
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fclose(outFile);
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}
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if (NSS_Shutdown() != SECSuccess) {
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SECU_PrintError(progName, "NSS shutdown:");
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exit(1);
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}
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return (rv != SECSuccess);
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}
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