The Tor Browser: security/nss/cmd/derdump/derdump.c@141e0f1194b1

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include "secutil.h"

     6 #include "nss.h"

     7 #include <errno.h>

     9 #if defined(XP_WIN) || (defined(__sun) && !defined(SVR4))

    10 #if !defined(WIN32)

    11 extern int fprintf(FILE *, char *, ...);

    12 #endif

    13 #endif

    14 #include "plgetopt.h"

    16 static void Usage(char *progName)

    17 {

    18     fprintf(stderr,

    19 	    "Usage: %s [-r] [-i input] [-o output]\n",

    20 	    progName);

    21     fprintf(stderr, "%-20s For formatted items, dump raw bytes as well\n",

    22 	    "-r");

    23     fprintf(stderr, "%-20s Define an input file to use (default is stdin)\n",

    24 	    "-i input");

    25     fprintf(stderr, "%-20s Define an output file to use (default is stdout)\n",

    26 	    "-o output");

    27     exit(-1);

    28 }

    30 int main(int argc, char **argv)

    31 {

    32     char *progName;

    33     FILE *outFile;

    34     PRFileDesc *inFile;

    35     SECItem der;

    36     SECStatus rv;

    37     PRInt16 xp_error;

    38     PRBool raw = PR_FALSE;

    39     PLOptState *optstate;

    40     PLOptStatus status;

    42     progName = strrchr(argv[0], '/');

    43     progName = progName ? progName+1 : argv[0];

    45     /* Parse command line arguments */

    46     inFile = 0;

    47     outFile = 0;

    48     optstate = PL_CreateOptState(argc, argv, "i:o:r");

    49     while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {

    50 	switch (optstate->option) {

    51 	  case 'i':

    52 	    inFile = PR_Open(optstate->value, PR_RDONLY, 0);

    53 	    if (!inFile) {

    54 		fprintf(stderr, "%s: unable to open \"%s\" for reading\n",

    55 			progName, optstate->value);

    56 		return -1;

    57 	    }

    58 	    break;

    60 	  case 'o':

    61 	    outFile = fopen(optstate->value, "w");

    62 	    if (!outFile) {

    63 		fprintf(stderr, "%s: unable to open \"%s\" for writing\n",

    64 			progName, optstate->value);

    65 		return -1;

    66 	    }

    67 	    break;

    69 	  case 'r':

    70 	    raw = PR_TRUE;

    71 	    break;

    73 	  default:

    74 	    Usage(progName);

    75 	    break;

    76 	}

    77     }

    78 	if (status == PL_OPT_BAD)

    79 		Usage(progName);

    81     if (!inFile) inFile = PR_STDIN;

    82     if (!outFile) outFile = stdout;

    84     rv = NSS_NoDB_Init(NULL);	/* XXX */

    85     if (rv != SECSuccess) {

    86 	SECU_PrintPRandOSError(progName);

    87 	return -1;

    88     }

    90 	rv = SECU_ReadDERFromFile(&der, inFile, PR_FALSE, PR_FALSE);

    91     if (rv == SECSuccess) {

    92 	rv = DER_PrettyPrint(outFile, &der, raw);

    93 	if (rv == SECSuccess)

    94 	    return 0;

    95     }

    97     xp_error = PORT_GetError();

    98     if (xp_error) {

    99 	SECU_PrintError(progName, "error %d", xp_error);

   100     }

   101     if (errno) {

   102 	SECU_PrintSystemError(progName, "errno=%d", errno);

   103     }

   104     return 1;

   105 }

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