tools/GenCompactCAList.java

   1
   2 import java.io.*;
   3 import org.bouncycastle.asn1.*;
   4 import org.bouncycastle.asn1.x509.*;
   5
   6 public class GenCompactCAList {
   7     public static void main(String[] args) throws Exception {
   8         if(args.length < 2) throw new Exception("Usage: GenCAList format file(s)");
   9         String format = args[0];
  10         DEREncodableVector vec = new DEREncodableVector();
  11         for(int i=1;i<args.length;i++) {
  12             X509CertificateStructure x509 = new X509CertificateStructure((ASN1Sequence) new ASN1InputStream(new FileInputStream(args[i])).readObject());
  13             X509Name subject = x509.getSubject();
  14             SubjectPublicKeyInfo pki = x509.getSubjectPublicKeyInfo();
  15             RSAPublicKeyStructure rsa = new RSAPublicKeyStructure((ASN1Sequence) pki.getPublicKey());
  16             DEREncodableVector vec2 = new DEREncodableVector();
  17             vec2.add(subject);
  18             vec2.add(rsa);
  19             vec.add(new DERSequence(vec2));
  20         }
  21         if(format.equals("binary")) {
  22             DEROutputStream dos = new DEROutputStream(System.out);
  23             dos.writeObject(new DERSequence(vec));
  24             dos.close();
  25         } else if(format.equals("class")){
  26             ByteArrayOutputStream baos = new ByteArrayOutputStream();
  27             DEROutputStream dos = new DEROutputStream(baos);
  28             dos.writeObject(new DERSequence(vec));
  29             dos.close();
  30             baos.close();
  31             byte[] buf = baos.toByteArray();
  32             StringBuffer sb = new StringBuffer();
  33             for(int i=0;i<buf.length;i+=7) {
  34                 long l = 0;
  35                 for(int j=0;j<7;j++) {
  36                     l <<= 8;
  37                     byte b = (i+j < buf.length) ? buf[i+j] : -1;
  38                     l |= (b & 0xffL);
  39                 }
  40                 for(int j=0;j<8;j++) {
  41                     char c = (char) ((l>>>(7*(7-j)))&0x7f);
  42                     if(c=='\n') sb.append("\\n");
  43                     else if(c=='\r') sb.append("\\r");
  44                     else if(c=='\\') sb.append("\\\\");
  45                     else if(c=='"') sb.append("\\\"");
  46                     else if(c >= 32 && c <= 126) sb.append(c);
  47                     else sb.append("\\" +  toOctal3(c));
  48                 }
  49             }
  50             System.out.println("package org.ibex.net.ssl;");
  51             System.out.println("public final class RootCerts {");
  52             System.out.println("    private final static String DATA = \"" + sb.toString() + "\";");
  53             System.out.print(
  54                     "    static {\n" +
  55                     "        try {\n" +
  56                     "            org.ibex.net.SSL.addCompactCAKeys(new java.io.ByteArrayInputStream(unpack(DATA)));\n" +
  57                     "        } catch(Exception e) {\n" +
  58                     "            System.err.println(\"Error loading root CA keys: \" + e.getMessage());\n" +
  59                     "        }\n" +
  60                     "    }\n");
  61             System.out.println("    public static void load() {   }");  // force clinit
  62             System.out.print(
  63                     "    private static byte[] unpack(String s) {\n" +
  64                     "        int len = s.length();\n" +
  65                     "        if(len % 8 != 0) throw new IllegalArgumentException(\"not a multiple of 8\");\n" +
  66                     "        byte[] ret = new byte[(len / 8) * 7];\n" +
  67                     "        for(int i=0; i<len; i += 8) {\n" +
  68                     "            long l = 0;\n" +
  69                     "            for(int j=0;j<8;j++) {\n" +
  70                     "                l <<= 7;\n" +
  71                     "                l |= (s.charAt(i + j) & 0x7fL);\n" +
  72                     "            }\n" +
  73                     "            int base = (i / 8) * 7;\n" +
  74                     "            for(int j=6; j>=0; j--) {\n" +
  75                     "                ret[base + j] = (byte)(l & 0xff);\n" +
  76                     "                l >>>= 8;\n" +
  77                     "            }\n" +
  78                     "        }\n" +
  79                     "        return ret;\n" +
  80                     "    }");
  81             System.out.println("}");
  82         } else {
  83             throw new Error("unknown format");
  84         }
  85     }
  86
  87     private final static String toOctal3(int n) {
  88         char[] buf = new char[3];
  89         for(int i=2;i>=0;i--) {
  90             buf[i] = (char) ('0' + (n & 7));
  91             n >>= 3;
  92         }
  93         return new String(buf);
  94     }
  95 }