security/nss/cmd/derdump/derdump.c

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is the Netscape security libraries.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Netscape Communications Corporation.
  18  * Portions created by the Initial Developer are Copyright (C) 1994-2000
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *
  23  * Alternatively, the contents of this file may be used under the terms of
  24  * either the GNU General Public License Version 2 or later (the "GPL"), or
  25  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  26  * in which case the provisions of the GPL or the LGPL are applicable instead
  27  * of those above. If you wish to allow use of your version of this file only
  28  * under the terms of either the GPL or the LGPL, and not to allow others to
  29  * use your version of this file under the terms of the MPL, indicate your
  30  * decision by deleting the provisions above and replace them with the notice
  31  * and other provisions required by the GPL or the LGPL. If you do not delete
  32  * the provisions above, a recipient may use your version of this file under
  33  * the terms of any one of the MPL, the GPL or the LGPL.
  34  *
  35  * ***** END LICENSE BLOCK ***** */
  36
  37 #include "secutil.h"
  38 #include "nss.h"
  39 #include <errno.h>
  40
  41 #if defined(XP_WIN) || (defined(__sun) && !defined(SVR4))
  42 #if !defined(WIN32)
  43 extern int fprintf(FILE *, char *, ...);
  44 #endif
  45 #endif
  46 #include "plgetopt.h"
  47
  48 static void Usage(char *progName)
  49 {
  50     fprintf(stderr,
  51             "Usage: %s [-r] [-i input] [-o output]\n",
  52             progName);
  53     fprintf(stderr, "%-20s For formatted items, dump raw bytes as well\n",
  54             "-r");
  55     fprintf(stderr, "%-20s Define an input file to use (default is stdin)\n",
  56             "-i input");
  57     fprintf(stderr, "%-20s Define an output file to use (default is stdout)\n",
  58             "-o output");
  59     exit(-1);
  60 }
  61
  62 int main(int argc, char **argv)
  63 {
  64     char *progName;
  65     FILE *outFile;
  66     PRFileDesc *inFile;
  67     SECItem der;
  68     SECStatus rv;
  69     int16 xp_error;
  70     PRBool raw = PR_FALSE;
  71     PLOptState *optstate;
  72     PLOptStatus status;
  73
  74     progName = strrchr(argv[0], '/');
  75     progName = progName ? progName+1 : argv[0];
  76
  77     /* Parse command line arguments */
  78     inFile = 0;
  79     outFile = 0;
  80     optstate = PL_CreateOptState(argc, argv, "i:o:r");
  81     while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
  82         switch (optstate->option) {
  83           case 'i':
  84             inFile = PR_Open(optstate->value, PR_RDONLY, 0);
  85             if (!inFile) {
  86                 fprintf(stderr, "%s: unable to open \"%s\" for reading\n",
  87                         progName, optstate->value);
  88                 return -1;
  89             }
  90             break;
  91
  92           case 'o':
  93             outFile = fopen(optstate->value, "w");
  94             if (!outFile) {
  95                 fprintf(stderr, "%s: unable to open \"%s\" for writing\n",
  96                         progName, optstate->value);
  97                 return -1;
  98             }
  99             break;
 100
 101           case 'r':
 102             raw = PR_TRUE;
 103             break;
 104
 105           default:
 106             Usage(progName);
 107             break;
 108         }
 109     }
 110         if (status == PL_OPT_BAD)
 111                 Usage(progName);
 112
 113     if (!inFile) inFile = PR_STDIN;
 114     if (!outFile) outFile = stdout;
 115
 116     rv = NSS_NoDB_Init(NULL);   /* XXX */
 117     if (rv != SECSuccess) {
 118         SECU_PrintPRandOSError(progName);
 119         return -1;
 120     }
 121
 122         rv = SECU_ReadDERFromFile(&der, inFile, PR_FALSE);
 123     if (rv == SECSuccess) {
 124         rv = DER_PrettyPrint(outFile, &der, raw);
 125         if (rv == SECSuccess)
 126             return 0;
 127     }
 128
 129     xp_error = PORT_GetError();
 130     if (xp_error) {
 131         SECU_PrintError(progName, "error %d", xp_error);
 132     }
 133     if (errno) {
 134         SECU_PrintSystemError(progName, "errno=%d", errno);
 135     }
 136     return 1;
 137 }