gecko/security/nss/cmd/derdump/derdump.c
2013-06-18 13:01:22 -07:00

106 lines
2.5 KiB
C

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "secutil.h"
#include "nss.h"
#include <errno.h>
#if defined(XP_WIN) || (defined(__sun) && !defined(SVR4))
#if !defined(WIN32)
extern int fprintf(FILE *, char *, ...);
#endif
#endif
#include "plgetopt.h"
static void Usage(char *progName)
{
fprintf(stderr,
"Usage: %s [-r] [-i input] [-o output]\n",
progName);
fprintf(stderr, "%-20s For formatted items, dump raw bytes as well\n",
"-r");
fprintf(stderr, "%-20s Define an input file to use (default is stdin)\n",
"-i input");
fprintf(stderr, "%-20s Define an output file to use (default is stdout)\n",
"-o output");
exit(-1);
}
int main(int argc, char **argv)
{
char *progName;
FILE *outFile;
PRFileDesc *inFile;
SECItem der;
SECStatus rv;
PRInt16 xp_error;
PRBool raw = PR_FALSE;
PLOptState *optstate;
PLOptStatus status;
progName = strrchr(argv[0], '/');
progName = progName ? progName+1 : argv[0];
/* Parse command line arguments */
inFile = 0;
outFile = 0;
optstate = PL_CreateOptState(argc, argv, "i:o:r");
while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
switch (optstate->option) {
case 'i':
inFile = PR_Open(optstate->value, PR_RDONLY, 0);
if (!inFile) {
fprintf(stderr, "%s: unable to open \"%s\" for reading\n",
progName, optstate->value);
return -1;
}
break;
case 'o':
outFile = fopen(optstate->value, "w");
if (!outFile) {
fprintf(stderr, "%s: unable to open \"%s\" for writing\n",
progName, optstate->value);
return -1;
}
break;
case 'r':
raw = PR_TRUE;
break;
default:
Usage(progName);
break;
}
}
if (status == PL_OPT_BAD)
Usage(progName);
if (!inFile) inFile = PR_STDIN;
if (!outFile) outFile = stdout;
rv = NSS_NoDB_Init(NULL); /* XXX */
if (rv != SECSuccess) {
SECU_PrintPRandOSError(progName);
return -1;
}
rv = SECU_ReadDERFromFile(&der, inFile, PR_FALSE, PR_FALSE);
if (rv == SECSuccess) {
rv = DER_PrettyPrint(outFile, &der, raw);
if (rv == SECSuccess)
return 0;
}
xp_error = PORT_GetError();
if (xp_error) {
SECU_PrintError(progName, "error %d", xp_error);
}
if (errno) {
SECU_PrintSystemError(progName, "errno=%d", errno);
}
return 1;
}