mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et tw=80 : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/net/RemoteOpenFileParent.h"
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#include "mozilla/unused.h"
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#include "nsEscape.h"
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#if !defined(XP_WIN) && !defined(MOZ_WIDGET_COCOA)
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#include <fcntl.h>
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#include <unistd.h>
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#endif
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namespace mozilla {
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namespace net {
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RemoteOpenFileParent::RemoteOpenFileParent(nsIFileURL *aURI)
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: mURI(aURI)
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#if !defined(XP_WIN) && !defined(MOZ_WIDGET_COCOA)
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, mFd(-1)
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#endif
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{}
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RemoteOpenFileParent::~RemoteOpenFileParent()
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{
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#if !defined(XP_WIN) && !defined(MOZ_WIDGET_COCOA)
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if (mFd != -1) {
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// close file handle now that other process has it open, else we'll leak
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// file handles in parent process
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close(mFd);
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}
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#endif
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}
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bool
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RemoteOpenFileParent::RecvAsyncOpenFile()
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{
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#if defined(XP_WIN) || defined(MOZ_WIDGET_COCOA)
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NS_NOTREACHED("osX and Windows shouldn't be doing IPDL here");
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#else
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// TODO: make this async!
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nsAutoCString path;
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nsresult rv = mURI->GetFilePath(path);
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NS_UnescapeURL(path);
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if (NS_SUCCEEDED(rv)) {
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int fd = open(path.get(), O_RDONLY);
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if (fd != -1) {
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unused << SendFileOpened(FileDescriptor(fd));
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// file handle needs to stay open until it's shared with child (and IPDL
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// is async, so hasn't happened yet). Close in destructor.
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mFd = fd;
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return true;
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}
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}
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// Note: sending an invalid file descriptor currently kills the child process:
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// but that's ok for our use case (failing to open application.jar).
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printf_stderr("RemoteOpenFileParent: file '%s' was not found!\n", path.get());
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unused << SendFileDidNotOpen();
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#endif // OS_TYPE
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return true;
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}
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} // namespace net
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} // namespace mozilla
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