Supports DevTools socket access authentication based on Android permissions.

net/socket/unix_domain_server_socket_posix.h

Index: net/socket/unix_domain_server_socket_posix.h
diff --git a/net/socket/unix_domain_server_socket_posix.h b/net/socket/unix_domain_server_socket_posix.h
index 06fb8d32c47bc4b0e700fa70f51d3f2ab80aa36d..f480dc6861d33c57a6a8edb149d827c5e0708967 100644
--- a/net/socket/unix_domain_server_socket_posix.h
+++ b/net/socket/unix_domain_server_socket_posix.h
@@ -25,20 +25,20 @@ class SocketLibevent;
 // Linux and Android.
 class NET_EXPORT UnixDomainServerSocket : public ServerSocket {
  public:
+  struct Credentials;
+
   // Callback that returns whether the already connected client, identified by
-  // its process |user_id| and |group_id|, is allowed to keep the connection
-  // open. Note that the socket is closed immediately in case the callback
-  // returns false.
-  typedef base::Callback<bool (uid_t user_id, gid_t group_id)> AuthCallback;
+  // its credentials, is allowed to keep the connection open. Note that
+  // the socket is closed immediately in case the callback returns false.
+  typedef base::Callback<bool (const Credentials&)> AuthCallback;
 
   UnixDomainServerSocket(const AuthCallback& auth_callack,
                          bool use_abstract_namespace);
   virtual ~UnixDomainServerSocket();
 
-  // Gets UID and GID of peer to check permissions.
+  // Gets credentials of peer to check permissions.
   static bool GetPeerIds(SocketDescriptor socket_fd,

[byungchul, 2014/08/04 22:18:02]

GetCredentials

[SeRya, 2014/08/05 10:32:27]

Renamed to GetPeerCredentials

-                         uid_t* user_id,
-                         gid_t* group_id);
+                         Credentials* credentials);
 
   // ServerSocket implementation.
   virtual int Listen(const IPEndPoint& address, int backlog) OVERRIDE;
@@ -64,6 +64,14 @@ class NET_EXPORT UnixDomainServerSocket : public ServerSocket {
   DISALLOW_COPY_AND_ASSIGN(UnixDomainServerSocket);
 };
 
+struct UnixDomainServerSocket::Credentials {

[mmenke, 2014/08/04 20:22:57]

In net/, at least, public inner classes and structs are generally inlined in the
declaration.

[byungchul, 2014/08/04 22:18:02]

need NET_EXPORT

[SeRya, 2014/08/05 10:32:27]

Moved inside.

[SeRya, 2014/08/05 10:32:27]

Done.

+#if defined(OS_LINUX) || defined(OS_ANDROID)
+  pid_t process_id;

[mmenke, 2014/08/04 20:22:57]

Think this is worth a comment (Code is pretty self-explanatory, but a comment
for something unexpected like this still seems a good idea to me).

[SeRya, 2014/08/05 10:32:27]

Done.

+#endif
+  uid_t user_id;
+  gid_t group_id;
+};
+
 }  // namespace net
 
 #endif  // NET_SOCKET_UNIX_DOMAIN_SOCKET_POSIX_H_