Class: Rack::TCTP::Engine

Inherits:
Object
  • Object
show all
Defined in:
ext/engine/engine.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.client ⇒ Object 



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# File 'ext/engine/engine.c', line 94

VALUE engine_init_client(VALUE klass) {
  VALUE obj;
  ms_conn* conn = engine_alloc(klass, &obj);

  conn->ctx = SSL_CTX_new(TLSv1_client_method());
  SSL_CTX_set_cipher_list(conn->ctx, "ALL");

  conn->ssl = SSL_new(conn->ctx);

  SSL_set_verify(conn->ssl, SSL_VERIFY_NONE, NULL);

  SSL_set_bio(conn->ssl, conn->read, conn->write);

  SSL_set_connect_state(conn->ssl);
  return obj;
}

.server(key, cert) ⇒ Object 



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# File 'ext/engine/engine.c', line 56

VALUE engine_init_server(VALUE self, VALUE key, VALUE cert) {
  VALUE obj;
  SSL_CTX* ctx;
  SSL* ssl;
  int use_certificate_file_ret, use_pk_file_ret;

  ms_conn* conn = engine_alloc(self, &obj);

  StringValue(key);
  StringValue(cert);

  ctx = SSL_CTX_new(TLSv1_server_method());
  conn->ctx = ctx;

  use_certificate_file_ret = SSL_CTX_use_certificate_file(ctx, RSTRING_PTR(cert), SSL_FILETYPE_PEM);
  if(use_certificate_file_ret != 1) {
    raise_error(conn->ssl, 0);
  }

  use_pk_file_ret = SSL_CTX_use_PrivateKey_file(ctx, RSTRING_PTR(key), SSL_FILETYPE_PEM);
  if(use_pk_file_ret != 1) {
    raise_error(conn->ssl, 0);
  }

  SSL_CTX_set_cipher_list(ctx, "ALL");
  SSL_CTX_set_options(ctx, SSL_OP_SINGLE_DH_USE);

  ssl = SSL_new(ctx);
  conn->ssl = ssl;

  SSL_set_verify(ssl, SSL_VERIFY_NONE, NULL);

  SSL_set_bio(conn->ssl, conn->read, conn->write);

  SSL_set_accept_state(ssl);
  return obj;
}

Instance Method Details

#extract ⇒ Object 



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# File 'ext/engine/engine.c', line 173

VALUE engine_extract(VALUE self) {
  ms_conn* conn;
  int bytes;
  size_t pending;
  char buf[512];

  Data_Get_Struct(self, ms_conn, conn);

  pending = BIO_pending(conn->write);
  if(pending > 0) {
    bytes = BIO_read(conn->write, buf, sizeof(buf));
    if(bytes > 0) {
      return rb_str_new(buf, bytes);
    } else if(!BIO_should_retry(conn->write)) {
      raise_error(conn->ssl, bytes);
    }
  }

  return Qnil;
}

#inject(str) ⇒ Object 



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# File 'ext/engine/engine.c', line 111

VALUE engine_inject(VALUE self, VALUE str) {
  ms_conn* conn;
  long used;

  Data_Get_Struct(self, ms_conn, conn);

  StringValue(str);

  used = BIO_write(conn->read, RSTRING_PTR(str), (int)RSTRING_LEN(str));

  if(used == 0 || used == -1) {
    return Qfalse;
  }

  return INT2FIX(used);
}

#read ⇒ Object 



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# File 'ext/engine/engine.c', line 128

VALUE engine_read(VALUE self) {
  ms_conn* conn;
  char buf[512];
  int bytes, n;

  Data_Get_Struct(self, ms_conn, conn);

  bytes = SSL_read(conn->ssl, (void*)buf, sizeof(buf));

  if(bytes > 0) {
    return rb_str_new(buf, bytes);
  }

  if(SSL_want_read(conn->ssl)) return Qnil;

  if(SSL_get_error(conn->ssl, bytes) == SSL_ERROR_ZERO_RETURN) {
    rb_eof_error();
  }

  raise_error(conn->ssl, bytes);

  return Qnil;
}

#write(str) ⇒ Object 



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# File 'ext/engine/engine.c', line 152

VALUE engine_write(VALUE self, VALUE str) {
  ms_conn* conn;
  char buf[512];
  int bytes;

  Data_Get_Struct(self, ms_conn, conn);

  StringValue(str);

  bytes = SSL_write(conn->ssl, (void*)RSTRING_PTR(str), (int)RSTRING_LEN(str));
  if(bytes > 0) {
    return INT2FIX(bytes);
  }

  if(SSL_want_write(conn->ssl)) return Qnil;

  raise_error(conn->ssl, bytes);

  return Qnil;
}