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lightning-sunbird  0.9+nobinonly
Functions
digest.c File Reference
#include "secutil.h"
#include "pk11func.h"
#include "secoid.h"
#include "plgetopt.h"
#include "nss.h"

Go to the source code of this file.

Functions

static SECOidData * HashTypeToOID (HASH_HashType hashtype)
static SECOidData * HashNameToOID (const char *hashName)
static void Usage (char *progName)
static int DigestFile (FILE *outFile, FILE *inFile, SECOidData *hashOID)
int main (int argc, char **argv)
 The Xalan testcases app.

Function Documentation

static int DigestFile ( FILE outFile,
FILE inFile,
SECOidData *  hashOID 
) [static]

Definition at line 123 of file digest.c.

{
    int nb;
    unsigned char ibuf[4096], digest[32];
    PK11Context *hashcx;
    unsigned int len;
    SECStatus rv;

    hashcx = PK11_CreateDigestContext(hashOID->offset);
    if (hashcx == NULL) {
       return -1;
    }
    PK11_DigestBegin(hashcx);


    for (;;) {
       if (feof(inFile)) break;
       nb = fread(ibuf, 1, sizeof(ibuf), inFile);
       if (nb != sizeof(ibuf)) {
           if (nb == 0) {
              if (ferror(inFile)) {
                  PORT_SetError(SEC_ERROR_IO);
                  PK11_DestroyContext(hashcx,PR_TRUE);
                  return -1;
              }
              /* eof */
              break;
           }
       }
       rv = PK11_DigestOp(hashcx, ibuf, nb);
       if (rv != SECSuccess) {
          PK11_DestroyContext(hashcx, PR_TRUE);
          return -1;
       }
    }

    rv = PK11_DigestFinal(hashcx, digest, &len, 32);
    PK11_DestroyContext(hashcx, PR_TRUE);

    if (rv != SECSuccess) return -1;

    nb = fwrite(digest, 1, len, outFile);
    if (nb != len) {
       PORT_SetError(SEC_ERROR_IO);
       return -1;
    }

    return 0;
}

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static SECOidData* HashNameToOID ( const char *  hashName) [static]

Definition at line 79 of file digest.c.

{
    HASH_HashType htype;
    SECOidData *hashOID;

    for (htype = HASH_AlgNULL + 1; htype < HASH_AlgTOTAL; htype++) {
       hashOID = HashTypeToOID(htype);
       if (PORT_Strcasecmp(hashName, hashOID->desc) == 0)
           break;
    }

    if (htype == HASH_AlgTOTAL)
       return NULL;

    return hashOID;
}

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static SECOidData* HashTypeToOID ( HASH_HashType  hashtype) [static]

Definition at line 52 of file digest.c.

{
    SECOidTag hashtag;

    if (hashtype <= HASH_AlgNULL || hashtype >= HASH_AlgTOTAL)
       return NULL;

    switch (hashtype) {
      case HASH_AlgMD2:
       hashtag = SEC_OID_MD2;
       break;
      case HASH_AlgMD5:
       hashtag = SEC_OID_MD5;
       break;
      case HASH_AlgSHA1:
       hashtag = SEC_OID_SHA1;
       break;
      default:
       fprintf(stderr, "A new hash type has been added to HASH_HashType.\n");
       fprintf(stderr, "This program needs to be updated!\n");
       return NULL;
    }

    return SECOID_FindOIDByTag(hashtag);
}

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int main ( int  argc,
char **  argv 
)

The Xalan testcases app.

Definition at line 176 of file digest.c.

{
    char *progName;
    FILE *inFile, *outFile;
    char *hashName;
    SECOidData *hashOID;
    PLOptState *optstate;
    PLOptStatus status;
    SECStatus   rv;

    progName = strrchr(argv[0], '/');
    progName = progName ? progName+1 : argv[0];

    inFile = NULL;
    outFile = NULL;
    hashName = NULL;

    rv = NSS_Init("/tmp");
    if (rv != SECSuccess) {
       fprintf(stderr, "%s: NSS_Init failed in directory %s\n",
               progName, "/tmp");
        return -1;
    }

    /*
     * Parse command line arguments
     */
    optstate = PL_CreateOptState(argc, argv, "t:i:o:");
    while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
       switch (optstate->option) {
         case '?':
           Usage(progName);
           break;

         case 'i':
           inFile = fopen(optstate->value, "r");
           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 't':
           hashName = strdup(optstate->value);
           break;
       }
    }

    if (!hashName) Usage(progName);

    if (!inFile) inFile = stdin;
    if (!outFile) outFile = stdout;

    hashOID = HashNameToOID(hashName);
    if (hashOID == NULL) {
       fprintf(stderr, "%s: invalid digest type\n", progName);
       Usage(progName);
    }

    if (DigestFile(outFile, inFile, hashOID)) {
       fprintf(stderr, "%s: problem digesting data (%s)\n",
              progName, SECU_Strerror(PORT_GetError()));
       return -1;
    }

    if (NSS_Shutdown() != SECSuccess) {
        exit(1);
    } 
    
    return 0;
}

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static void Usage ( char *  progName) [static]

Definition at line 97 of file digest.c.

{
    HASH_HashType htype;

    fprintf(stderr,
           "Usage:  %s -t type [-i input] [-o output]\n",
           progName);
    fprintf(stderr, "%-20s Specify the digest method (must be one of\n",
           "-t type");
    fprintf(stderr, "%-20s ", "");
    for (htype = HASH_AlgNULL + 1; htype < HASH_AlgTOTAL; htype++) {
       fprintf(stderr, HashTypeToOID(htype)->desc);
       if (htype == (HASH_AlgTOTAL - 2))
           fprintf(stderr, " or ");
       else if (htype != (HASH_AlgTOTAL - 1))
           fprintf(stderr, ", ");
    }
    fprintf(stderr, " (case ignored))\n");
    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);
}

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