import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

ipc/keystore/KeyStore.h

@@ -0,0 +1,141 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=2 et ft=cpp: tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_ipc_KeyStore_h
+#define mozilla_ipc_KeyStore_h 1
+
+#include <sys/socket.h>
+#include <sys/un.h>
+#include "cert.h"
+#include "mozilla/ipc/ListenSocket.h"
+#include "mozilla/ipc/ListenSocketConsumer.h"
+#include "mozilla/ipc/StreamSocket.h"
+#include "mozilla/ipc/StreamSocketConsumer.h"
+#include "nsNSSShutDown.h"
+
+namespace mozilla {
+namespace ipc {
+
+enum ResponseCode {
+  SUCCESS           =  1,
+  LOCKED            =  2,
+  UNINITIALIZED     =  3,
+  SYSTEM_ERROR      =  4,
+  PROTOCOL_ERROR    =  5,
+  PERMISSION_DENIED =  6,
+  KEY_NOT_FOUND     =  7,
+  VALUE_CORRUPTED   =  8,
+  UNDEFINED_ACTION  =  9,
+  WRONG_PASSWORD_0  = 10,
+  WRONG_PASSWORD_1  = 11,
+  WRONG_PASSWORD_2  = 12,
+  WRONG_PASSWORD_3  = 13, // MAX_RETRY = 4
+  NO_RESPONSE
+};
+
+void FormatCaData(const uint8_t *aCaData, int aCaDataLength,
+                  const char *aName, const uint8_t **aFormatData,
+                  size_t *aFormatDataLength);
+
+ResponseCode getCertificate(const char *aCertName, const uint8_t **aCertData,
+                            size_t *aCertDataLength);
+ResponseCode getPrivateKey(const char *aKeyName, const uint8_t **aKeyData,
+                           size_t *aKeyDataLength);
+ResponseCode getPublicKey(const char *aKeyName, const uint8_t **aKeyData,
+                          size_t *aKeyDataLength);
+ResponseCode signData(const char *aKeyName, const uint8_t *data, size_t length,
+                      uint8_t **out, size_t *outLength);
+
+bool checkPermission(uid_t uid);
+
+static const int MAX_PARAM = 2;
+static const int KEY_SIZE = ((NAME_MAX - 15) / 2);
+static const int VALUE_SIZE = 32768;
+static const int PASSWORD_SIZE = VALUE_SIZE;
+
+static const int CA_LINE_SIZE = 64;
+
+struct ProtocolCommand {
+  int8_t  command;
+  int     paramNum;
+};
+
+static const struct ProtocolCommand commands[] = {
+  {'g', 1}, // Get CA, command "g CERT_NAME"
+  { 0,  0}
+};
+
+struct ProtocolParam{
+  uint    length;
+  int8_t  data[VALUE_SIZE];
+};
+
+typedef enum {
+  STATE_IDLE,
+  STATE_READ_PARAM_LEN,
+  STATE_READ_PARAM_DATA,
+  STATE_PROCESSING
+} ProtocolHandlerState;
+
+class KeyStore final
+  : public StreamSocketConsumer
+  , public ListenSocketConsumer
+  , public nsNSSShutDownObject
+{
+public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(KeyStore)
+
+  KeyStore();
+
+  void Shutdown();
+
+protected:
+  virtual void virtualDestroyNSSReference() {}
+
+private:
+  enum SocketType {
+    LISTEN_SOCKET,
+    STREAM_SOCKET
+  };
+
+  ~KeyStore();
+
+  struct {
+    ProtocolHandlerState          state;
+    uint8_t                       command;
+    struct ProtocolParam          param[MAX_PARAM];
+    int                           paramCount;
+    const struct ProtocolCommand  *commandPattern;
+  } mHandlerInfo;
+  void ResetHandlerInfo();
+  void Listen();
+
+  bool CheckSize(UnixSocketBuffer *aMessage, size_t aExpectSize);
+  ResponseCode ReadCommand(UnixSocketBuffer *aMessage);
+  ResponseCode ReadLength(UnixSocketBuffer *aMessage);
+  ResponseCode ReadData(UnixSocketBuffer *aMessage);
+  void SendResponse(ResponseCode response);
+  void SendData(const uint8_t *data, int length);
+
+  // Methods for |StreamSocketConsumer|
+  //
+
+  void ReceiveSocketData(int aIndex,
+                         UniquePtr<UnixSocketBuffer>& aMessage) override;
+  void OnConnectSuccess(int aIndex) override;
+  void OnConnectError(int aIndex) override;
+  void OnDisconnect(int aIndex) override;
+
+  bool mShutdown;
+
+  RefPtr<ListenSocket> mListenSocket;
+  RefPtr<StreamSocket> mStreamSocket;
+};
+
+} // namespace ipc
+} // namespace mozilla
+
+#endif // mozilla_ipc_KeyStore_h