The Tor Browser: netwerk/ipc/RemoteOpenFileParent.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set sw=2 ts=8 et tw=80 : */

     4 /* This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #include "mozilla/net/RemoteOpenFileParent.h"

     9 #include "mozilla/unused.h"

    10 #include "nsEscape.h"

    12 #if !defined(XP_WIN) && !defined(MOZ_WIDGET_COCOA)

    13 #include <fcntl.h>

    14 #include <unistd.h>

    15 #endif

    17 namespace mozilla {

    18 namespace net {

    20 bool

    21 RemoteOpenFileParent::OpenSendCloseDelete()

    22 {

    23 #if defined(XP_WIN) || defined(MOZ_WIDGET_COCOA)

    24   MOZ_CRASH("OS X and Windows shouldn't be doing IPDL here");

    25 #else

    27   // TODO: make this async!

    29   FileDescriptor fileDescriptor;

    31   nsAutoCString path;

    32   nsresult rv = mURI->GetFilePath(path);

    33   NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "GetFilePath failed!");

    35   NS_UnescapeURL(path);

    37   if (NS_SUCCEEDED(rv)) {

    38     int fd = open(path.get(), O_RDONLY);

    39     if (fd == -1) {

    40       printf_stderr("RemoteOpenFileParent: file '%s' was not found!\n",

    41                     path.get());

    42     } else {

    43       fileDescriptor = FileDescriptor(fd);

    44     }

    45   }

    47   // Sending a potentially invalid file descriptor is just fine.

    48   unused << Send__delete__(this, fileDescriptor);

    50   if (fileDescriptor.IsValid()) {

    51     // close file now that other process has it open, else we'll leak fds in the

    52     // parent process.

    53     close(fileDescriptor.PlatformHandle());

    54   }

    56 #endif // OS_TYPE

    58   return true;

    59 }

    61 } // namespace net

    62 } // namespace mozilla

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