tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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ppcertdata.c (3180B)

      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/. */
      4 
      5 #include <stdio.h>
      6 #include <string.h>
      7 #include <ctype.h>
      8 #include <stdlib.h>
      9 #include "secutil.h"
     10 #include "nss.h"
     11 
     12 unsigned char binary_line[64 * 1024];
     13 
     14 int
     15 main(int argc, const char** argv)
     16 {
     17    int skip_count = 0;
     18    int bytes_read;
     19    char line[133];
     20 
     21    if (argc > 1) {
     22        skip_count = atoi(argv[1]);
     23    }
     24    if (argc > 2 || skip_count < 0) {
     25        printf("Usage: %s [ skip_columns ] \n", argv[0]);
     26        return 1;
     27    }
     28 
     29    NSS_NoDB_Init(NULL);
     30 
     31    while (fgets(line, 132, stdin) && (bytes_read = strlen(line)) > 0) {
     32        int bytes_written;
     33        char* found;
     34        char* in = line + skip_count;
     35        int left = bytes_read - skip_count;
     36        int is_cert;
     37        int is_serial;
     38        int is_name;
     39        int is_hash;
     40        int use_pp = 0;
     41        int out = 0;
     42        SECItem der = { siBuffer, NULL, 0 };
     43 
     44        line[bytes_read] = 0;
     45        if (bytes_read <= skip_count)
     46            continue;
     47        fwrite(in, 1, left, stdout);
     48        found = strstr(in, "MULTILINE_OCTAL");
     49        if (!found)
     50            continue;
     51        fflush(stdout);
     52 
     53        is_cert = (NULL != strstr(in, "CKA_VALUE"));
     54        is_serial = (NULL != strstr(in, "CKA_SERIAL_NUMBER"));
     55        is_name = (NULL != strstr(in, "CKA_ISSUER")) ||
     56                  (NULL != strstr(in, "CKA_SUBJECT"));
     57        is_hash = (NULL != strstr(in, "_HASH"));
     58        while (fgets(line, 132, stdin) &&
     59               (bytes_read = strlen(line)) > 0) {
     60            in = line + skip_count;
     61            left = bytes_read - skip_count;
     62 
     63            if ((left >= 3) && !strncmp(in, "END", 3))
     64                break;
     65            while (left >= 4) {
     66                if (in[0] == '\\' && isdigit((unsigned char)in[1]) &&
     67                    isdigit((unsigned char)in[2]) &&
     68                    isdigit((unsigned char)in[3])) {
     69                    left -= 4;
     70                    binary_line[out++] = ((in[1] - '0') << 6) |
     71                                         ((in[2] - '0') << 3) |
     72                                         (in[3] - '0');
     73                    in += 4;
     74                } else
     75                    break;
     76            }
     77        }
     78        der.data = binary_line;
     79        der.len = out;
     80        if (is_cert)
     81            SECU_PrintSignedData(stdout, &der, "Certificate", 0,
     82                                 SECU_PrintCertificate);
     83        else if (is_name)
     84            SECU_PrintDERName(stdout, &der, "Name", 0);
     85        else if (is_serial) {
     86            if (out > 2 && binary_line[0] == 2 &&
     87                out == 2 + binary_line[1]) {
     88                der.data += 2;
     89                der.len -= 2;
     90                SECU_PrintInteger(stdout, &der, "DER Serial Number", 0);
     91            } else
     92                SECU_PrintInteger(stdout, &der, "Raw Serial Number", 0);
     93        } else if (is_hash)
     94            SECU_PrintAsHex(stdout, &der, "Hash", 0);
     95        else
     96            SECU_PrintBuf(stdout, "Other", binary_line, out);
     97    }
     98    NSS_Shutdown();
     99    return 0;
    100 }