gecko/netwerk/ipc/RemoteOpenFileParent.cpp

63 lines
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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/. */
#include "mozilla/net/RemoteOpenFileParent.h"
#include "mozilla/unused.h"
#include "nsEscape.h"
#if !defined(XP_WIN) && !defined(MOZ_WIDGET_COCOA)
#include <fcntl.h>
#include <unistd.h>
#endif
namespace mozilla {
namespace net {
bool
RemoteOpenFileParent::OpenSendCloseDelete()
{
#if defined(XP_WIN) || defined(MOZ_WIDGET_COCOA)
MOZ_NOT_REACHED("OS X and Windows shouldn't be doing IPDL here");
#else
// TODO: make this async!
FileDescriptor fileDescriptor;
nsAutoCString path;
nsresult rv = mURI->GetFilePath(path);
NS_WARN_IF_FALSE(NS_SUCCEEDED(rv), "GetFilePath failed!");
NS_UnescapeURL(path);
if (NS_SUCCEEDED(rv)) {
int fd = open(path.get(), O_RDONLY);
if (fd == -1) {
printf_stderr("RemoteOpenFileParent: file '%s' was not found!\n",
path.get());
} else {
fileDescriptor = FileDescriptor(fd);
}
}
// Sending a potentially invalid file descriptor is just fine.
unused << Send__delete__(this, fileDescriptor);
if (fileDescriptor.IsValid()) {
// close file now that other process has it open, else we'll leak fds in the
// parent process.
close(fileDescriptor.PlatformHandle());
}
#endif // OS_TYPE
return true;
}
} // namespace net
} // namespace mozilla