コード例 #1
0
ファイル: p_eu_a004.c プロジェクト: Zauberstuhl/aqbanking
int EBC_Provider_EuSign_A004(AB_PROVIDER *pro,
			     AB_USER *u,
			     const char *requestType,
			     const uint8_t *pMsg,
			     uint32_t lMsg,
			     GWEN_BUFFER *sbuf) {
  EBC_PROVIDER *dp;
  GWEN_MDIGEST *md;
  GWEN_BUFFER *hbuf;
  GWEN_BUFFER *ebuf;
  GWEN_CRYPT_TOKEN *ct;
  const GWEN_CRYPT_TOKEN_CONTEXT *ctx;
  const GWEN_CRYPT_TOKEN_KEYINFO *ki;
  uint32_t keyId;
  int ksize;
  uint32_t l;
  GWEN_CRYPT_PADDALGO *algo;
  EB_EU *eu;
  GWEN_TIME *ti;
  int rv;
  const char *userId;

  assert(pro);
  dp=GWEN_INHERIT_GETDATA(AB_PROVIDER, EBC_PROVIDER, pro);
  assert(dp);

  userId=AB_User_GetUserId(u);

  md=GWEN_MDigest_Rmd160_new();
  assert(md);
  rv=GWEN_MDigest_Begin(md);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    GWEN_MDigest_free(md);
    return rv;
  }
  rv=GWEN_MDigest_Update(md, pMsg, lMsg);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    GWEN_MDigest_free(md);
    return rv;
  }
  rv=GWEN_MDigest_End(md);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    GWEN_MDigest_free(md);
    return rv;
  }

  hbuf=GWEN_Buffer_new(0, GWEN_MDigest_GetDigestSize(md), 0, 1);
  GWEN_Buffer_AppendBytes(hbuf,
			  (const char*)GWEN_MDigest_GetDigestPtr(md),
			  GWEN_MDigest_GetDigestSize(md));
  GWEN_MDigest_free(md);

  /* get crypt token and context */
  rv=EBC_Provider_MountToken(pro, u, &ct, &ctx);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    return rv;
  }

  /* get key id */
  keyId=GWEN_Crypt_Token_Context_GetSignKeyId(ctx);
  ki=GWEN_Crypt_Token_GetKeyInfo(ct,
				 keyId,
				 0xffffffff,
				 0);
  if (ki==NULL) {
    DBG_INFO(AQEBICS_LOGDOMAIN,
	     "Keyinfo %04x not found on crypt token [%s:%s]",
	     keyId,
	     GWEN_Crypt_Token_GetTypeName(ct),
	     GWEN_Crypt_Token_GetTokenName(ct));
    GWEN_Crypt_Token_Close(ct, 0, 0);
    GWEN_Buffer_free(hbuf);
    return GWEN_ERROR_NOT_FOUND;
  }

  ksize=GWEN_Crypt_Token_KeyInfo_GetKeySize(ki);

  /* select padd algo */
  algo=GWEN_Crypt_PaddAlgo_new(GWEN_Crypt_PaddAlgoId_Iso9796_2);
  GWEN_Crypt_PaddAlgo_SetPaddSize(algo, ksize);

  /* actually sign */
  ebuf=GWEN_Buffer_new(0, ksize+16, 0, 1);
  l=GWEN_Buffer_GetMaxUnsegmentedWrite(ebuf);
  rv=GWEN_Crypt_Token_Sign(ct, keyId,
			   algo,
			   (const uint8_t*)GWEN_Buffer_GetStart(hbuf),
			   GWEN_Buffer_GetUsedBytes(hbuf),
			   (uint8_t*)GWEN_Buffer_GetPosPointer(ebuf),
			   &l,
			   NULL, /* ignore seq counter */
			   0);
  GWEN_Crypt_PaddAlgo_free(algo);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    GWEN_Buffer_free(ebuf);
    GWEN_Buffer_free(hbuf);
    return rv;
  }
  GWEN_Buffer_IncrementPos(ebuf, l);
  GWEN_Buffer_AdjustUsedBytes(ebuf);

  GWEN_Buffer_free(hbuf);

  /* assemble EU */
  eu=EB_Eu_new();
  EB_Eu_SetVersion(eu, "A004");
  EB_Eu_SetModLen(eu, ksize*8);
  EB_Eu_SetJobType(eu, requestType);
  EB_Eu_SetSignature(eu,
		     (const uint8_t*) GWEN_Buffer_GetStart(ebuf),
		     GWEN_Buffer_GetUsedBytes(ebuf));
  GWEN_Buffer_free(ebuf);
  ti=GWEN_CurrentTime();
  EB_Eu_SetCreationTime(eu, ti);
  EB_Eu_SetSignatureTime(eu, ti);
  GWEN_Time_free(ti);

  EB_Eu_SetUserId(eu, userId);

  /* store EU in given buffer */
  EB_Eu_toBuffer(eu, sbuf);
  EB_Eu_free(eu);

  return 0;
}
コード例 #2
0
ファイル: adduser.c プロジェクト: Zauberstuhl/aqbanking
int addUser(AB_BANKING *ab,
            GWEN_DB_NODE *dbArgs,
            int argc,
            char **argv) {
  GWEN_DB_NODE *db;
  AB_PROVIDER *pro;
  int rv;
  GWEN_BUFFER *nameBuffer=NULL;
  const char *tokenName;
  const char *tokenType;
  const char *bankId;
  const char *userId;
  const char *customerId;
  const char *server;
  const char *userName;
  int hbciVersion;
  int rdhType;
  uint32_t cid;
  const GWEN_ARGS args[]={
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "userName",                   /* name */
    1,                            /* minnum */
    1,                            /* maxnum */
    "N",                          /* short option */
    "username",                   /* long option */
    "Specify the user name", /* short description */
    "Specify the user name (not the userid!)"  /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "bankId",                     /* name */
    0,                            /* minnum */
    1,                            /* maxnum */
    "b",                          /* short option */
    "bank",                       /* long option */
    "Specify the bank code",      /* short description */
    "Specify the bank code"       /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "userId",                     /* name */
    0,                            /* minnum */
    1,                            /* maxnum */
    "u",                          /* short option */
    "user",                       /* long option */
    "Specify the user id (Benutzerkennung)",        /* short description */
    "Specify the user id (Benutzerkennung)"         /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "customerId",                 /* name */
    0,                            /* minnum */
    1,                            /* maxnum */
    "c",                          /* short option */
    "customer",                   /* long option */
    "Specify the customer id (Kundennummer)",    /* short description */
    "Specify the customer id (Kundennummer)"     /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "tokenType",                  /* name */
    1,                            /* minnum */
    1,                            /* maxnum */
    "t",                          /* short option */
    "tokentype",                  /* long option */
    "Specify the crypt token type", /* short description */
    "Specify the crypt token type"  /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "tokenName",                  /* name */
    0,                            /* minnum */
    1,                            /* maxnum */
    "n",                          /* short option */
    "tokenname",                  /* long option */
    "Specify the crypt token name", /* short description */
    "Specify the crypt token name"  /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Char,           /* type */
    "serverAddr",                 /* name */
    0,                            /* minnum */
    1,                            /* maxnum */
    "s",                          /* short option */
    "server",                     /* long option */
    "Specify the server URL",     /* short description */
    "Specify the server URL"      /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
    GWEN_ArgsType_Int,            /* type */
    "context",                    /* name */
    0,                            /* minnum */
    1,                            /* maxnum */
    0,                            /* short option */
    "context",                    /* long option */
    "Select a context on the medium", /* short description */
    "Select a context on the medium"  /* long description */
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT,
    GWEN_ArgsType_Int, 
    "hbciversion",  
    0,             
    1,             
    0,             
    "hbciversion", 
    "Select the HBCI version",
    "Select the HBCI protocol version"
  },
  {
    GWEN_ARGS_FLAGS_HAS_ARGUMENT,
    GWEN_ArgsType_Int, 
    "rdhType",
    0,
    1,             
    0,             
    "rdhtype",
    "Select the RDH profile type (1, 2, 3, 5, 10)",
    "Select the RDH profile type (1, 2, 3, 5, 10)"
  },
  {
    GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
    GWEN_ArgsType_Int,            /* type */
    "help",                       /* name */
    0,                            /* minnum */
    0,                            /* maxnum */
    "h",                          /* short option */
    "help",                       /* long option */
    "Show this help screen",      /* short description */
    "Show this help screen"       /* long description */
  }
  };

  db=GWEN_DB_GetGroup(dbArgs, GWEN_DB_FLAGS_DEFAULT, "local");
  rv=GWEN_Args_Check(argc, argv, 1,
                     0 /*GWEN_ARGS_MODE_ALLOW_FREEPARAM*/,
                     args,
                     db);
  if (rv==GWEN_ARGS_RESULT_ERROR) {
    fprintf(stderr, "ERROR: Could not parse arguments\n");
    return 1;
  }
  else if (rv==GWEN_ARGS_RESULT_HELP) {
    GWEN_BUFFER *ubuf;

    ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
    if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
      fprintf(stderr, "ERROR: Could not create help string\n");
      return 1;
    }
    fprintf(stderr, "%s\n", GWEN_Buffer_GetStart(ubuf));
    GWEN_Buffer_free(ubuf);
    return 0;
  }

  rv=AB_Banking_Init(ab);
  if (rv) {
    DBG_ERROR(0, "Error on init (%d)", rv);
    return 2;
  }

  rv=AB_Banking_OnlineInit(ab);
  if (rv) {
    DBG_ERROR(0, "Error on init (%d)", rv);
    return 2;
  }

  pro=AB_Banking_GetProvider(ab, "aqhbci");
  assert(pro);

  tokenType=GWEN_DB_GetCharValue(db, "tokenType", 0, 0);
  tokenName=GWEN_DB_GetCharValue(db, "tokenName", 0, 0);
  bankId=GWEN_DB_GetCharValue(db, "bankId", 0, 0);
  userId=GWEN_DB_GetCharValue(db, "userId", 0, 0);
  customerId=GWEN_DB_GetCharValue(db, "customerId", 0, 0);
  server=GWEN_DB_GetCharValue(db, "serverAddr", 0, 0);
  cid=GWEN_DB_GetIntValue(db, "context", 0, 1);
  hbciVersion=GWEN_DB_GetIntValue(db, "hbciVersion", 0, 0);
  rdhType=GWEN_DB_GetIntValue(db, "rdhType", 0, 1);
  userName=GWEN_DB_GetCharValue(db, "userName", 0, 0);
  assert(userName);

  /* generic check for some arguments */
  if (hbciVersion>0 && rdhType>1) {
    if (hbciVersion<300 && rdhType>1) {
      DBG_ERROR(0, "RDH Types 2 and above only work with HBCI version 300 or later");
      return 1;
    }
  }

  if (hbciVersion>0) {
    switch(hbciVersion) {
    case 201:
    case 210:
    case 220:
    case 300:
      /* supported */
      break;

    default:
      DBG_ERROR(0, "HBCI/FinTS version %d not supported", hbciVersion);
      return 1;
    }
  }

  if (rdhType>0) {
    switch(rdhType) {
    case 1:
    case 2:
    case 10:
      /* supported */
      break;

    case 3:
    case 4:
    case 5:
    case 6:
    case 7:
    case 8:
    case 9:
    default:
      DBG_ERROR(0, "RDH type %d not supported", rdhType);
      return 1;
    }
  }

  if (1) {
    const char *lbankId;
    const char *luserId;
    const char *lcustomerId;
    const char *lserverAddr;
    AH_CRYPT_MODE cm;
    GWEN_URL *url;
    GWEN_CRYPT_TOKEN_CONTEXT *ctx=NULL;
    AB_USER *user;

    if (strcasecmp(tokenType, "pintan")==0) {
      lbankId=bankId;
      luserId=userId;
      lcustomerId=customerId?customerId:luserId;
      lserverAddr=server;
      cm=AH_CryptMode_Pintan;
    }
    else {
      GWEN_PLUGIN_MANAGER *pm;
      GWEN_PLUGIN *pl;
      GWEN_CRYPT_TOKEN *ct;
      const GWEN_CRYPT_TOKEN_CONTEXT *cctx;
      const GWEN_CRYPT_TOKEN_KEYINFO *ki;
      uint32_t keyId;
      GWEN_CRYPT_CRYPTALGOID algo;

      if (cid==0) {
	DBG_ERROR(0, "No context given.");
	return 1;
      }

      /* get crypt token */
      pm=GWEN_PluginManager_FindPluginManager("ct");
      if (pm==0) {
	DBG_ERROR(0, "Plugin manager not found");
	return 3;
      }

      pl=GWEN_PluginManager_GetPlugin(pm, tokenType);
      if (pl==0) {
	DBG_ERROR(0, "Plugin not found");
	return 3;
      }
      DBG_INFO(0, "Plugin found");

      ct=GWEN_Crypt_Token_Plugin_CreateToken(pl, tokenName);
      if (ct==0) {
	DBG_ERROR(0, "Could not create crypt token");
	return 3;
      }

      /* open crypt token */
      rv=GWEN_Crypt_Token_Open(ct, 0, 0);
      if (rv) {
	DBG_ERROR(0, "Could not open token (%d)", rv);
	GWEN_Crypt_Token_free(ct);
	return 3;
      }

      /* get real token name */
      nameBuffer=GWEN_Buffer_new(0, 64, 0, 1);
      GWEN_Buffer_AppendString(nameBuffer,
			       GWEN_Crypt_Token_GetTokenName(ct));
      tokenName=GWEN_Buffer_GetStart(nameBuffer);

      cctx=GWEN_Crypt_Token_GetContext(ct, cid, 0);
      if (cctx==NULL) {
	DBG_ERROR(0, "Context %02x not found", cid);
	GWEN_Buffer_free(nameBuffer);
	GWEN_Crypt_Token_Close(ct, 1, 0);
	GWEN_Crypt_Token_free(ct);
	return 3;
      }
      ctx=GWEN_Crypt_Token_Context_dup(cctx);
      lbankId=bankId?bankId:GWEN_Crypt_Token_Context_GetServiceId(ctx);

      luserId=userId?userId:GWEN_Crypt_Token_Context_GetUserId(ctx);
      lcustomerId=customerId?customerId:luserId;

      lserverAddr=server?server:GWEN_Crypt_Token_Context_GetAddress(ctx);

      /* determine crypt mode */
      keyId=GWEN_Crypt_Token_Context_GetSignKeyId(ctx);
      if (keyId==0)
	keyId=GWEN_Crypt_Token_Context_GetVerifyKeyId(ctx);
      if (keyId==0)
	keyId=GWEN_Crypt_Token_Context_GetEncipherKeyId(ctx);
      if (keyId==0)
	keyId=GWEN_Crypt_Token_Context_GetDecipherKeyId(ctx);
      GWEN_Crypt_Token_Context_free(ctx);
      if (keyId==0) {
	DBG_ERROR(0, "No keys, unable to determine crypt mode");
	GWEN_Buffer_free(nameBuffer);
	GWEN_Crypt_Token_Close(ct, 1, 0);
	GWEN_Crypt_Token_free(ct);
	return 3;
      }
  
      ki=GWEN_Crypt_Token_GetKeyInfo(ct, keyId, 0xffffffff, 0);
      if (ki==NULL) {
	DBG_ERROR(0,
		  "Could not get keyinfo for key %d, "
		  "unable to determine crypt mode", keyId);
	GWEN_Buffer_free(nameBuffer);
	GWEN_Crypt_Token_Close(ct, 1, 0);
	GWEN_Crypt_Token_free(ct);
	return 3;
      }

      algo=GWEN_Crypt_Token_KeyInfo_GetCryptAlgoId(ki);
      if (algo==GWEN_Crypt_CryptAlgoId_Des3K)
	cm=AH_CryptMode_Ddv;
      else if (algo==GWEN_Crypt_CryptAlgoId_Rsa)
	cm=AH_CryptMode_Rdh;
      else {
	DBG_ERROR(0,
		  "Unexpected crypt algorithm \"%s\", "
		  "unable to determine crypt mode",
		  GWEN_Crypt_CryptAlgoId_toString(algo));
	GWEN_Buffer_free(nameBuffer);
	GWEN_Crypt_Token_Close(ct, 1, 0);
	GWEN_Crypt_Token_free(ct);
	return 3;
      }

      rv=GWEN_Crypt_Token_Close(ct, 0, 0);
      GWEN_Crypt_Token_free(ct);
      if (rv) {
	DBG_ERROR(0, "Could not close token (%d)", rv);
	GWEN_Buffer_free(nameBuffer);
	return 3;
      }
    }

    if (!lbankId || !*lbankId) {
      DBG_ERROR(0, "No bank id stored and none given");
      GWEN_Buffer_free(nameBuffer);
      return 3;
    }
    if (!luserId || !*luserId) {
      DBG_ERROR(0, "No user id (Benutzerkennung) stored and none given");
      GWEN_Buffer_free(nameBuffer);
      return 3;
    }

    user=AB_Banking_FindUser(ab, AH_PROVIDER_NAME,
			     "de",
			     lbankId, luserId, lcustomerId);
    if (user) {
      DBG_ERROR(0, "User %s already exists", luserId);
      return 3;
    }

    user=AB_Banking_CreateUser(ab, AH_PROVIDER_NAME);
    assert(user);

    AB_User_SetUserName(user, userName);
    AB_User_SetCountry(user, "de");
    AB_User_SetBankCode(user, lbankId);
    AB_User_SetUserId(user, luserId);
    AB_User_SetCustomerId(user, lcustomerId);
    AH_User_SetTokenType(user, tokenType);
    AH_User_SetTokenName(user, tokenName);
    AH_User_SetTokenContextId(user, cid);
    AH_User_SetCryptMode(user, cm);
    if (rdhType>0)
      AH_User_SetRdhType(user, rdhType);
    GWEN_Buffer_free(nameBuffer);

    if (hbciVersion==0) {
      if (cm==AH_CryptMode_Pintan)
	AH_User_SetHbciVersion(user, 220);
      else {
        if (rdhType>1)
	  AH_User_SetHbciVersion(user, 300);
        else
	  AH_User_SetHbciVersion(user, 210);
      }
    }
    else {
      AH_User_SetHbciVersion(user, hbciVersion);
    }

    /* try to get server address from database if still unknown */
    if (!lserverAddr || *lserverAddr==0) {
      GWEN_BUFFER *tbuf;

      tbuf=GWEN_Buffer_new(0, 256, 0, 1);
      if (getBankUrl(ab,
                     cm,
                     lbankId,
		     tbuf)) {
	DBG_INFO(0, "Could not find server address for \"%s\"",
		 lbankId);
      }
      if (GWEN_Buffer_GetUsedBytes(tbuf)==0) {
	DBG_ERROR(0, "No address given and none available in internal db");
	return 3;
      }
      url=GWEN_Url_fromString(GWEN_Buffer_GetStart(tbuf));
      if (url==NULL) {
	DBG_ERROR(0, "Bad URL \"%s\" in internal db",
		  GWEN_Buffer_GetStart(tbuf));
	return 3;
      }
      GWEN_Buffer_free(tbuf);
    }
    else {
      /* set address */
      url=GWEN_Url_fromString(lserverAddr);
      if (url==NULL) {
	DBG_ERROR(0, "Bad URL \"%s\"", lserverAddr);
	return 3;
      }
    }

    if (cm==AH_CryptMode_Pintan) {
      GWEN_Url_SetProtocol(url, "https");
      if (GWEN_Url_GetPort(url)==0)
	GWEN_Url_SetPort(url, 443);
    }
    else {
      GWEN_Url_SetProtocol(url, "hbci");
      if (GWEN_Url_GetPort(url)==0)
	GWEN_Url_SetPort(url, 3000);
    }
    AH_User_SetServerUrl(user, url);
    GWEN_Url_free(url);

    if (cm==AH_CryptMode_Ddv)
      AH_User_SetStatus(user, AH_UserStatusEnabled);

    AB_Banking_AddUser(ab, user);
  }

  rv=AB_Banking_OnlineFini(ab);
  if (rv) {
    fprintf(stderr, "ERROR: Error on deinit (%d)\n", rv);
    return 5;
  }


  rv=AB_Banking_Fini(ab);
  if (rv) {
    fprintf(stderr, "ERROR: Error on deinit (%d)\n", rv);
    return 5;
  }

  return 0;
}
コード例 #3
0
ファイル: p_eu_a005.c プロジェクト: cstim/aqbanking
int EBC_Provider_EuSign_A005(AB_PROVIDER *pro,
                             AB_USER *u,
                             const char *requestType,
                             const uint8_t *pMsg,
                             uint32_t lMsg,
                             GWEN_BUFFER *sbuf)
{
  EBC_PROVIDER *dp;
  GWEN_BUFFER *xbuf;
  GWEN_BUFFER *hbuf;
  GWEN_CRYPT_TOKEN *ct;
  const GWEN_CRYPT_TOKEN_CONTEXT *ctx;
  const GWEN_CRYPT_TOKEN_KEYINFO *ki;
  uint32_t keyId;
  int ksize;
  uint32_t l;
  GWEN_CRYPT_PADDALGO *algo;
  int rv;
  int numPaddBytes=0;
  const uint8_t digestInfo[]= {
    0x30, 0x31, 0x30, 0x0d,
    0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01,
    0x05, 0x00,
    0x04, 0x20
  };

  assert(pro);
  dp=GWEN_INHERIT_GETDATA(AB_PROVIDER, EBC_PROVIDER, pro);
  assert(dp);

  /* get crypt token and context */
  rv=EBC_Provider_MountToken(pro, u, &ct, &ctx);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    return rv;
  }

  /* get key id */
  keyId=GWEN_Crypt_Token_Context_GetSignKeyId(ctx);
  ki=GWEN_Crypt_Token_GetKeyInfo(ct,
                                 keyId,
                                 0xffffffff,
                                 0);
  if (ki==NULL) {
    DBG_INFO(AQEBICS_LOGDOMAIN,
             "Keyinfo %04x not found on crypt token [%s:%s]",
             keyId,
             GWEN_Crypt_Token_GetTypeName(ct),
             GWEN_Crypt_Token_GetTokenName(ct));
    GWEN_Crypt_Token_Close(ct, 0, 0);
    return GWEN_ERROR_NOT_FOUND;
  }

  xbuf=GWEN_Buffer_new(0, 40, 0, 1);
  EBC_Provider_Sha256(pMsg, lMsg, xbuf);

  /* add digestInfo to hash of SignedInfo */
  hbuf=GWEN_Buffer_new(0, 256, 0, 1);
  ksize=GWEN_Crypt_Token_KeyInfo_GetKeySize(ki);

  GWEN_Buffer_AppendByte(hbuf, 0x01); /* block type */

  numPaddBytes=ksize-3-sizeof(digestInfo)-GWEN_Buffer_GetUsedBytes(xbuf);
  if (numPaddBytes<1) {
    DBG_ERROR(AQEBICS_LOGDOMAIN, "Invalid number of padd bytes, key too small (%d)", numPaddBytes);
    GWEN_Buffer_free(xbuf);
    GWEN_Buffer_free(hbuf);
    return GWEN_ERROR_INTERNAL;
  }
  GWEN_Buffer_FillWithBytes(hbuf, 0xff, numPaddBytes);

  GWEN_Buffer_AppendByte(hbuf, 0x01); /* separator */

  GWEN_Buffer_AppendBytes(hbuf, (const char *)digestInfo, sizeof(digestInfo)); /* digest info */
  GWEN_Buffer_AppendBytes(hbuf, GWEN_Buffer_GetStart(xbuf), GWEN_Buffer_GetUsedBytes(xbuf)); /* hash */
  GWEN_Buffer_free(xbuf);

  /* select padd algo */
  algo=GWEN_Crypt_PaddAlgo_new(GWEN_Crypt_PaddAlgoId_None);
  GWEN_Crypt_PaddAlgo_SetPaddSize(algo, ksize);

  /* actually sign */
  GWEN_Buffer_AllocRoom(sbuf, ksize+16);
  l=GWEN_Buffer_GetMaxUnsegmentedWrite(sbuf);
  rv=GWEN_Crypt_Token_Sign(ct, keyId,
                           algo,
                           (const uint8_t *)GWEN_Buffer_GetStart(hbuf),
                           GWEN_Buffer_GetUsedBytes(hbuf),
                           (uint8_t *)GWEN_Buffer_GetPosPointer(sbuf),
                           &l,
                           NULL, /* ignore seq counter */
                           0);
  GWEN_Crypt_PaddAlgo_free(algo);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    GWEN_Buffer_free(hbuf);
    return rv;
  }
  GWEN_Buffer_IncrementPos(sbuf, l);
  GWEN_Buffer_AdjustUsedBytes(sbuf);

  GWEN_Buffer_free(hbuf);

  return 0;
}
コード例 #4
0
ファイル: msgcrypt_rdh2.c プロジェクト: Zauberstuhl/aqbanking
int AH_Msg_SignRdh2(AH_MSG *hmsg,
                    AB_USER *su,
		    GWEN_BUFFER *rawBuf,
		    const char *signer) {
  AH_HBCI *h;
  GWEN_XMLNODE *node;
  GWEN_DB_NODE *cfg;
  GWEN_BUFFER *sigbuf;
  GWEN_BUFFER *hbuf;
  unsigned int l;
  int rv;
  char ctrlref[15];
  const char *p;
  GWEN_MSGENGINE *e;
  uint32_t uFlags;
  GWEN_CRYPT_TOKEN *ct;
  const GWEN_CRYPT_TOKEN_CONTEXT *ctx;
  const GWEN_CRYPT_TOKEN_KEYINFO *ki;
  uint32_t keyId;
  uint32_t gid;

  assert(hmsg);
  h=AH_Dialog_GetHbci(hmsg->dialog);
  assert(h);
  e=AH_Dialog_GetMsgEngine(hmsg->dialog);
  assert(e);
  GWEN_MsgEngine_SetMode(e, "rdh");

  gid=0;

  uFlags=AH_User_GetFlags(su);

  /* get crypt token of signer */
  rv=AB_Banking_GetCryptToken(AH_HBCI_GetBankingApi(h),
			   AH_User_GetTokenType(su),
			   AH_User_GetTokenName(su),
			   &ct);
  if (rv) {
    DBG_INFO(AQHBCI_LOGDOMAIN,
	     "Could not get crypt token for user \"%s\" (%d)",
	     AB_User_GetUserId(su), rv);
    return rv;
  }

  /* open CryptToken if necessary */
  if (!GWEN_Crypt_Token_IsOpen(ct)) {
    GWEN_Crypt_Token_AddModes(ct, GWEN_CRYPT_TOKEN_MODE_DIRECT_SIGN);
    rv=GWEN_Crypt_Token_Open(ct, 0, gid);
    if (rv) {
      DBG_INFO(AQHBCI_LOGDOMAIN,
	       "Could not open crypt token for user \"%s\" (%d)",
	       AB_User_GetUserId(su), rv);
      return rv;
    }
  }

  /* get context and key info */
  ctx=GWEN_Crypt_Token_GetContext(ct,
				  AH_User_GetTokenContextId(su),
				  gid);
  if (ctx==NULL) {
    DBG_INFO(AQHBCI_LOGDOMAIN,
	     "Context %d not found on crypt token [%s:%s]",
	     AH_User_GetTokenContextId(su),
	     GWEN_Crypt_Token_GetTypeName(ct),
	     GWEN_Crypt_Token_GetTokenName(ct));
    return GWEN_ERROR_NOT_FOUND;
  }

  keyId=GWEN_Crypt_Token_Context_GetSignKeyId(ctx);
  ki=GWEN_Crypt_Token_GetKeyInfo(ct,
                                 keyId,
				 0xffffffff,
				 gid);
  if (ki==NULL) {
    DBG_INFO(AQHBCI_LOGDOMAIN,
	     "Keyinfo %04x not found on crypt token [%s:%s]",
	     keyId,
	     GWEN_Crypt_Token_GetTypeName(ct),
	     GWEN_Crypt_Token_GetTokenName(ct));
    return GWEN_ERROR_NOT_FOUND;
  }

  node=GWEN_MsgEngine_FindNodeByPropertyStrictProto(e,
						    "SEG",
						    "id",
						    0,
						    "SigHead");
  if (!node) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "Segment \"SigHead\" not found");
    return GWEN_ERROR_INTERNAL;
  }

  /* prepare config for segment */
  cfg=GWEN_DB_Group_new("sighead");
  rv=AH_MsgRdh_PrepareCryptoSeg2(hmsg, su, ki, cfg, 0, 1);
  if (rv) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "here (%d)", rv);
    GWEN_DB_Group_free(cfg);
    return rv;
  }

  /* set expected signer */
  if (!(uFlags & AH_USER_FLAGS_BANK_DOESNT_SIGN)) {
    const char *remoteId;

    remoteId=AH_User_GetPeerId(su);
    if (!remoteId || *remoteId==0)
      remoteId=AB_User_GetUserId(su);
    assert(remoteId);
    assert(*remoteId);

    DBG_DEBUG(AQHBCI_LOGDOMAIN,
	      "Expecting \"%s\" to sign the response",
	      remoteId);
    AH_Msg_SetExpectedSigner(hmsg, remoteId);
  }

  /* store system id */
  if (hmsg->noSysId) {
    GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
			 "SecDetails/SecId", "0");
  }
  else {
    p=AH_User_GetSystemId(su);
    if (p==NULL)
      p=GWEN_Crypt_Token_Context_GetSystemId(ctx);
    if (p)
      GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
			   "SecDetails/SecId", p);
    else {
      GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
			   "SecDetails/SecId", "0");
    }
  }

  /* retrieve control reference for sigtail (to be used later) */
  p=GWEN_DB_GetCharValue(cfg, "ctrlref", 0, "");
  if (strlen(p)>=sizeof(ctrlref)) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "Control reference too long (14 bytes maximum)");
    GWEN_DB_Group_free(cfg);
    return -1;
  }
  strcpy(ctrlref, p);

  /* create SigHead */
  hbuf=GWEN_Buffer_new(0, 128+GWEN_Buffer_GetUsedBytes(rawBuf), 0, 1);
  GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
                      "head/seq", hmsg->firstSegment-1);
  GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
		      "signseq",
                      GWEN_Crypt_Token_KeyInfo_GetSignCounter(ki));

  /* create signature head segment */
  rv=GWEN_MsgEngine_CreateMessageFromNode(e, node, hbuf, cfg);
  GWEN_DB_Group_free(cfg);
  cfg=0;
  if (rv) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "Could not create SigHead");
    GWEN_Buffer_free(hbuf);
    return rv;
  }

  /* remember size of sighead for now */
  l=GWEN_Buffer_GetUsedBytes(hbuf);

  /* add raw data to to-sign data buffer */
  GWEN_Buffer_AppendBuffer(hbuf, rawBuf);

  /* sign message */
  sigbuf=GWEN_Buffer_new(0, 512, 0, 1);
  if (1) {
    uint32_t signLen;
    GWEN_CRYPT_PADDALGO *algo;
    GWEN_MDIGEST *md;
    uint32_t seq;

    /* hash sighead + data */
    md=GWEN_MDigest_Rmd160_new();
    rv=GWEN_MDigest_Begin(md);
    if (rv==0)
      rv=GWEN_MDigest_Update(md,
			     (uint8_t*)GWEN_Buffer_GetStart(hbuf),
			     GWEN_Buffer_GetUsedBytes(hbuf));
    if (rv==0)
      rv=GWEN_MDigest_End(md);
    if (rv<0) {
      DBG_ERROR(AQHBCI_LOGDOMAIN, "Hash error (%d)", rv);
      GWEN_MDigest_free(md);
      GWEN_Buffer_free(sigbuf);
      GWEN_Buffer_free(hbuf);
      return rv;
    }

    /* sign hash */
    algo=GWEN_Crypt_PaddAlgo_new(GWEN_Crypt_PaddAlgoId_Iso9796_2);
    GWEN_Crypt_PaddAlgo_SetPaddSize(algo, GWEN_Crypt_Token_KeyInfo_GetKeySize(ki));
    signLen=GWEN_Buffer_GetMaxUnsegmentedWrite(sigbuf);
    rv=GWEN_Crypt_Token_Sign(ct, keyId,
			     algo,
			     GWEN_MDigest_GetDigestPtr(md),
			     GWEN_MDigest_GetDigestSize(md),
			     (uint8_t*)GWEN_Buffer_GetPosPointer(sigbuf),
			     &signLen,
			     &seq,
			     gid);
    GWEN_Crypt_PaddAlgo_free(algo);
    GWEN_MDigest_free(md);
    if (rv) {
      DBG_ERROR(AQHBCI_LOGDOMAIN,
		"Could not sign data with medium of user \"%s\" (%d)",
		AB_User_GetUserId(su), rv);
      GWEN_Buffer_free(sigbuf);
      GWEN_Buffer_free(hbuf);
      return rv;
    }
    GWEN_Buffer_IncrementPos(sigbuf, signLen);
    GWEN_Buffer_AdjustUsedBytes(sigbuf);
  }
  DBG_DEBUG(AQHBCI_LOGDOMAIN, "Signing done");

  /* insert new SigHead at beginning of message buffer */
  DBG_DEBUG(AQHBCI_LOGDOMAIN, "Inserting signature head");
  GWEN_Buffer_Rewind(hmsg->buffer);
  GWEN_Buffer_InsertBytes(hmsg->buffer, GWEN_Buffer_GetStart(hbuf), l);

  /* create sigtail */
  DBG_DEBUG(AQHBCI_LOGDOMAIN, "Completing signature tail");
  cfg=GWEN_DB_Group_new("sigtail");
  GWEN_Buffer_Reset(hbuf);
  GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
                      "head/seq", hmsg->lastSegment+1);
  /* store to DB */
  GWEN_DB_SetBinValue(cfg, GWEN_DB_FLAGS_DEFAULT,
                      "signature",
                      GWEN_Buffer_GetStart(sigbuf),
                      GWEN_Buffer_GetUsedBytes(sigbuf));
  GWEN_Buffer_free(sigbuf);
  GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
		       "ctrlref", ctrlref);

  /* get node */
  node=GWEN_MsgEngine_FindNodeByPropertyStrictProto(e,
						    "SEG",
						    "id",
						    0,
						    "SigTail");
  if (!node) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "Segment \"SigTail\"not found");
    GWEN_Buffer_free(hbuf);
    GWEN_DB_Group_free(cfg);
    return -1;
  }
  rv=GWEN_MsgEngine_CreateMessageFromNode(e, node, hbuf, cfg);
  if (rv) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "Could not create SigTail");
    GWEN_Buffer_free(hbuf);
    GWEN_DB_Group_free(cfg);
    return -1;
  }

  /* append sigtail */
  DBG_DEBUG(AQHBCI_LOGDOMAIN, "Appending signature tail");
  if (GWEN_Buffer_AppendBuffer(hmsg->buffer, hbuf)) {
    DBG_INFO(AQHBCI_LOGDOMAIN, "here");
    GWEN_Buffer_free(hbuf);
    GWEN_DB_Group_free(cfg);
    return -1;
  }
  DBG_DEBUG(AQHBCI_LOGDOMAIN, "Appending signature tail: done");

  GWEN_Buffer_free(hbuf);
  GWEN_DB_Group_free(cfg);

  /* adjust segment numbers (for next signature and message tail */
  hmsg->firstSegment--;
  hmsg->lastSegment++;

  return 0;
}
コード例 #5
0
ファイル: r_ini_h002.c プロジェクト: cstim/aqbanking
int EBC_Provider_XchgIniRequest_H002(AB_PROVIDER *pro,
                                     GWEN_HTTP_SESSION *sess,
                                     AB_USER *u)
{
  int rv;
  GWEN_CRYPT_TOKEN *ct;
  const GWEN_CRYPT_TOKEN_CONTEXT *ctx;
  uint32_t kid;
  const GWEN_CRYPT_TOKEN_KEYINFO *signKeyInfo=NULL;
  xmlNsPtr ns;
  EB_MSG *msg;
  const char *userId;
  EB_MSG *mRsp;
  EB_RC rc;
  xmlDocPtr doc;
  xmlNodePtr root_node = NULL;
  xmlNodePtr node = NULL;
  GWEN_BUFFER *tbuf;
  const char *signVersion;
  const char *s;
  GWEN_BUFFER *bufKey;
  GWEN_BUFFER *bufZip;
  GWEN_BUFFER *bufB64;

  userId=AB_User_GetUserId(u);

  /* get crypt token and context */
  rv=EBC_Provider_MountToken(pro, u, &ct, &ctx);
  if (rv<0) {
    DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
    return rv;
  }

  /* get crypt key info */
  kid=GWEN_Crypt_Token_Context_GetSignKeyId(ctx);
  if (kid) {
    signKeyInfo=GWEN_Crypt_Token_GetKeyInfo(ct, kid,
                                            GWEN_CRYPT_TOKEN_KEYFLAGS_HASMODULUS |
                                            GWEN_CRYPT_TOKEN_KEYFLAGS_HASEXPONENT |
                                            GWEN_CRYPT_TOKEN_KEYFLAGS_HASKEYVERSION |
                                            GWEN_CRYPT_TOKEN_KEYFLAGS_HASKEYNUMBER,
                                            0);
    if (signKeyInfo==NULL) {
      DBG_ERROR(AQEBICS_LOGDOMAIN, "Sign key info not found on crypt token");
      GWEN_Gui_ProgressLog(0,
                           GWEN_LoggerLevel_Error,
                           I18N("Sign key info not found on crypt token"));
      return GWEN_ERROR_NOT_FOUND;
    }
  }

  signVersion=EBC_User_GetSignVersion(u);
  if (!(signVersion && *signVersion))
    signVersion="A004";

  if (strcasecmp(signVersion, "A004")==0) {
    /* encode according to "DFUE-Abkommen" */
    bufKey=GWEN_Buffer_new(0, 512, 0, 1);
    rc=EB_Key_Info_toBin(signKeyInfo, userId, "A004", 1024, bufKey);
    if (rc) {
      DBG_ERROR(AQEBICS_LOGDOMAIN, "Error writing key (rc=%06x)", rc);
      GWEN_Buffer_free(bufKey);
      return GWEN_ERROR_GENERIC;
    }

    /* zip order */
    bufZip=GWEN_Buffer_new(0, 512, 0, 1);
    if (EB_Zip_Deflate(GWEN_Buffer_GetStart(bufKey),
                       GWEN_Buffer_GetUsedBytes(bufKey),
                       bufZip)) {
      DBG_ERROR(AQEBICS_LOGDOMAIN, "Unable to zip key data");
      GWEN_Buffer_free(bufZip);
      GWEN_Buffer_free(bufKey);
      return GWEN_ERROR_GENERIC;
    }
    GWEN_Buffer_free(bufKey);

    /* base64 encode for order */
    bufB64=GWEN_Buffer_new(0, 800, 0, 1);
    if (GWEN_Base64_Encode((const unsigned char *)GWEN_Buffer_GetStart(bufZip),
                           GWEN_Buffer_GetUsedBytes(bufZip),
                           bufB64, 0)) {
      DBG_ERROR(AQEBICS_LOGDOMAIN, "Error encoding key");
      GWEN_Buffer_free(bufB64);
      GWEN_Buffer_free(bufZip);
      return GWEN_ERROR_GENERIC;
    }
    GWEN_Buffer_free(bufZip);
  }
  else {
    DBG_ERROR(AQEBICS_LOGDOMAIN, "Unsupported sign version [%s]", signVersion);
    return GWEN_ERROR_INTERNAL;
  }

  /* create request */
  msg=EB_Msg_new();
  doc=EB_Msg_GetDoc(msg);
  root_node=xmlNewNode(NULL, BAD_CAST "ebicsUnsecuredRequest");
  xmlDocSetRootElement(doc, root_node);
  ns=xmlNewNs(root_node,
              BAD_CAST "http://www.ebics.org/H002",
              NULL);
  assert(ns);
  ns=xmlNewNs(root_node,
              BAD_CAST "http://www.w3.org/2000/09/xmldsig#",
              BAD_CAST "ds");
  assert(ns);
  ns=xmlNewNs(root_node,
              BAD_CAST "http://www.w3.org/2001/XMLSchema-instance",
              BAD_CAST "xsi");
  xmlNewNsProp(root_node,
               ns,
               BAD_CAST "schemaLocation", /* xsi:schemaLocation */
               BAD_CAST "http://www.ebics.org/H002 "
               "http://www.ebics.org/H002/ebics_keymgmt_request.xsd");
  xmlNewProp(root_node, BAD_CAST "Version", BAD_CAST "H002");
  xmlNewProp(root_node, BAD_CAST "Revision", BAD_CAST "1");

  /* header */
  node=xmlNewChild(root_node, NULL, BAD_CAST "header", NULL);
  xmlNewProp(node, BAD_CAST "authenticate", BAD_CAST "true");
  xmlNewChild(node, NULL, BAD_CAST "static", NULL);
  xmlNewChild(node, NULL, BAD_CAST "mutable", NULL);

  /* body */
  node=xmlNewChild(root_node, NULL, BAD_CAST "body", NULL);

  /* fill */
  s=EBC_User_GetPeerId(u);
  if (s)
    EB_Msg_SetCharValue(msg, "header/static/HostID", s);
  s=AB_User_GetCustomerId(u);
  if (s)
    EB_Msg_SetCharValue(msg, "header/static/PartnerID", s);
  EB_Msg_SetCharValue(msg, "header/static/UserID",
                      AB_User_GetUserId(u));
  EB_Msg_SetCharValue(msg, "header/static/OrderDetails/OrderType", "INI");
  tbuf=GWEN_Buffer_new(0, 16, 0, 1);
  rv=EBC_Provider_Generate_OrderId(pro, tbuf);
  if (rv<0) {
    DBG_ERROR(AQEBICS_LOGDOMAIN, "Error creating order id (%d)", rv);
    GWEN_Buffer_free(tbuf);
    GWEN_Buffer_free(bufB64);
    EB_Msg_free(msg);
    return rv;
  }
  EB_Msg_SetCharValue(msg, "header/static/OrderDetails/OrderID",
                      GWEN_Buffer_GetStart(tbuf));
  GWEN_Buffer_free(tbuf);
  EB_Msg_SetCharValue(msg,
                      "header/static/OrderDetails/OrderAttribute",
                      "DZNNN");
  EB_Msg_SetCharValue(msg, "header/static/SecurityMedium", "0000");
  EB_Msg_SetCharValue(msg, "body/DataTransfer/OrderData",
                      GWEN_Buffer_GetStart(bufB64));
  GWEN_Buffer_free(bufB64);

  /* exchange requests */
  rv=EBC_Dialog_ExchangeMessages(sess, msg, &mRsp);
  if (rv<0 || rv>=300) {
    DBG_ERROR(AQEBICS_LOGDOMAIN, "Error exchanging messages (%d)", rv);
    EB_Msg_free(msg);
    return rv;
  }
  EB_Msg_free(msg);

  /* check response */
  assert(mRsp);

  /* log results */
  EBC_Provider_LogRequestResults(pro, mRsp, NULL);

  rc=EB_Msg_GetResultCode(mRsp);
  if ((rc & 0xff0000)==0x090000 ||
      (rc & 0xff0000)==0x060000) {
    DBG_ERROR(AQEBICS_LOGDOMAIN, "Error response: (%06x)", rc);
    EB_Msg_free(mRsp);
    return AB_ERROR_SECURITY;
  }
  rc=EB_Msg_GetBodyResultCode(mRsp);
  if (rc) {
    if ((rc & 0xff0000)==0x090000 ||
        (rc & 0xff0000)==0x060000) {
      DBG_ERROR(AQEBICS_LOGDOMAIN, "Error response: (%06x)", rc);
      EB_Msg_free(mRsp);
      if ((rc & 0xfff00)==0x091300 ||
          (rc & 0xfff00)==0x091200)
        return AB_ERROR_SECURITY;
      else
        return GWEN_ERROR_GENERIC;
    }
  }

  EB_Msg_free(mRsp);

  /* adjust user status and flags */
  DBG_NOTICE(AQEBICS_LOGDOMAIN, "Adjusting user flags");
  EBC_User_AddFlags(u, EBC_USER_FLAGS_INI);
  if ((EBC_User_GetFlags(u) & (EBC_USER_FLAGS_INI | EBC_USER_FLAGS_HIA))
      ==
      (EBC_USER_FLAGS_INI | EBC_USER_FLAGS_HIA))
    EBC_User_SetStatus(u, EBC_UserStatus_Init2);
  else
    EBC_User_SetStatus(u, EBC_UserStatus_Init1);

  return 0;
}
コード例 #6
0
ファイル: showuser.c プロジェクト: cstim/gwenhywfar
int showUser(GWEN_DB_NODE *dbArgs, int argc, char **argv)
{
  GWEN_DB_NODE *db;
  const char *ttype;
  const char *tname;
  GWEN_CRYPT_TOKEN *ct;
  unsigned int cid;
  int shown=0;
  int rv;
  const GWEN_ARGS args[]= {
    {
      GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
      GWEN_ArgsType_Int,             /* type */
      "contextId",                  /* name */
      0,                            /* minnum */
      1,                            /* maxnum */
      "i",                          /* short option */
      "id",                         /* long option */
      "Context id (0 for any)",     /* short description */
      "Context id (0 for any)"      /* long description */
    },
    {
      GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
      GWEN_ArgsType_Char,            /* type */
      "tokenType",                  /* name */
      1,                            /* minnum */
      1,                            /* maxnum */
      "t",                          /* short option */
      "ttype",                    /* long option */
      "Specify the crypt token type",     /* short description */
      "Specify the crypt token type"      /* long description */
    },
    {
      GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
      GWEN_ArgsType_Char,            /* type */
      "tokenName",                  /* name */
      0,                            /* minnum */
      1,                            /* maxnum */
      "n",                          /* short option */
      "tname",                    /* long option */
      "Specify the crypt token name",     /* short description */
      "Specify the crypt token name"      /* long description */
    },
    {
      GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
      GWEN_ArgsType_Int,             /* type */
      "help",                       /* name */
      0,                            /* minnum */
      0,                            /* maxnum */
      "h",                          /* short option */
      "help",                       /* long option */
      "Show this help screen",      /* short description */
      "Show this help screen"       /* long description */
    }
  };

  db=GWEN_DB_GetGroup(dbArgs, GWEN_DB_FLAGS_DEFAULT, "local");
  rv=GWEN_Args_Check(argc, argv, 1,
                     GWEN_ARGS_MODE_ALLOW_FREEPARAM,
                     args,
                     db);
  if (rv==GWEN_ARGS_RESULT_ERROR) {
    fprintf(stderr, "ERROR: Could not parse arguments\n");
    return 1;
  }
  else if (rv==GWEN_ARGS_RESULT_HELP) {
    GWEN_BUFFER *ubuf;

    ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
    if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
      fprintf(stderr, "ERROR: Could not create help string\n");
      return 1;
    }
    fprintf(stderr, "%s\n", GWEN_Buffer_GetStart(ubuf));
    GWEN_Buffer_free(ubuf);
    return 0;
  }

  cid=GWEN_DB_GetIntValue(db, "contextId", 0, 0);

  ttype=GWEN_DB_GetCharValue(db, "tokenType", 0, 0);
  assert(ttype);

  tname=GWEN_DB_GetCharValue(db, "tokenName", 0, 0);

  /* get crypt token */
  ct=getCryptToken(ttype, tname);
  if (ct==0)
    return 3;

  if (GWEN_DB_GetIntValue(dbArgs, "forcePin", 0, 0))
    GWEN_Crypt_Token_AddModes(ct, GWEN_CRYPT_TOKEN_MODE_FORCE_PIN_ENTRY);

  /* open crypt token for use */
  rv=GWEN_Crypt_Token_Open(ct, 0, 0);
  if (rv) {
    DBG_ERROR(0, "Could not open token");
    return 3;
  }
  else {
    uint32_t ctxIds[32];
    uint32_t ctxCount;
    uint32_t i;

    ctxCount=32;
    rv=GWEN_Crypt_Token_GetContextIdList(ct, ctxIds, &ctxCount, 0);
    if (rv<0) {
      DBG_ERROR(0, "Error filling context list");
      GWEN_Crypt_Token_Close(ct, 0, 0);
      return 3;
    }
    for (i=0; i<ctxCount; i++) {
      if (cid==0 || cid==ctxIds[i]) {
        const GWEN_CRYPT_TOKEN_CONTEXT *ctx;
        const char *s;
        uint32_t kid;

        ctx=GWEN_Crypt_Token_GetContext(ct, ctxIds[i], 0);
        if (ctx) {
          fprintf(stdout, "-------------------------------------------------\n");
          fprintf(stdout, "Context %u\n",
                  (unsigned int)GWEN_Crypt_Token_Context_GetId(ctx));
          s=GWEN_Crypt_Token_Context_GetServiceId(ctx);
          if (s)
            fprintf(stdout, "Service        : %s\n", s);
          s=GWEN_Crypt_Token_Context_GetUserId(ctx);
          if (s)
            fprintf(stdout, "User Id        : %s\n", s);
          s=GWEN_Crypt_Token_Context_GetCustomerId(ctx);
          if (s)
            fprintf(stdout, "Customer Id    : %s\n", s);
          s=GWEN_Crypt_Token_Context_GetUserName(ctx);
          if (s)
            fprintf(stdout, "User Name      : %s\n", s);
          s=GWEN_Crypt_Token_Context_GetPeerId(ctx);
          if (s)
            fprintf(stdout, "Peer Id        : %s\n", s);
          s=GWEN_Crypt_Token_Context_GetPeerName(ctx);
          if (s)
            fprintf(stdout, "Peer Name      : %s\n", s);
          s=GWEN_Crypt_Token_Context_GetAddress(ctx);
          if (s)
            fprintf(stdout, "Address        : %s\n", s);
          fprintf(stdout, "Port           : %d\n", GWEN_Crypt_Token_Context_GetPort(ctx));
          s=GWEN_Crypt_Token_Context_GetSystemId(ctx);
          if (s)
            fprintf(stdout, "System Id      : %s\n", s);
          kid=GWEN_Crypt_Token_Context_GetSignKeyId(ctx);
          if (kid!=0)
            fprintf(stdout, "Sign Key Id    : %d\n", kid);
          kid=GWEN_Crypt_Token_Context_GetVerifyKeyId(ctx);
          if (kid!=0)
            fprintf(stdout, "Verify Key Id  : %d\n", kid);
          kid=GWEN_Crypt_Token_Context_GetEncipherKeyId(ctx);
          if (kid!=0)
            fprintf(stdout, "Encipher Key Id: %d\n", kid);
          kid=GWEN_Crypt_Token_Context_GetDecipherKeyId(ctx);
          if (kid!=0)
            fprintf(stdout, "Decipher Key Id: %d\n", kid);

          shown++;
        }
        else {
          fprintf(stderr, "Context %d not found (%d)\n", i, ctxIds[i]);
        }
      }
    }
  }

  /* close crypt token */
  rv=GWEN_Crypt_Token_Close(ct, 0, 0);
  if (rv) {
    DBG_ERROR(0, "Could not close token");
    return 3;
  }

  if (!shown) {
    if (cid==0) {
      DBG_ERROR(0, "No context found");
    }
    else {
      DBG_ERROR(0, "Context %u not found", cid);
    }
    return 1;
  }

  return 0;

}