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Diffstat (limited to '')
| -rw-r--r-- | xpcom/io/FileDescriptorFile.cpp | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/xpcom/io/FileDescriptorFile.cpp b/xpcom/io/FileDescriptorFile.cpp new file mode 100644 index 0000000000..6398a89760 --- /dev/null +++ b/xpcom/io/FileDescriptorFile.cpp @@ -0,0 +1,442 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 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 "FileDescriptorFile.h" + +#include "mozilla/ipc/FileDescriptorUtils.h" +#include "mozilla/ipc/URIUtils.h" +#include "mozilla/net/NeckoChild.h" +#include "nsNetUtil.h" +#include "nsProxyRelease.h" +#include "nsThreadUtils.h" +#include "private/pprio.h" +#include "SerializedLoadContext.h" + +namespace mozilla { +namespace net { + +NS_IMPL_ISUPPORTS(FileDescriptorFile, nsIFile) + +LazyLogModule gFDFileLog("FDFile"); +#undef DBG +#define DBG(...) MOZ_LOG(gFDFileLog, LogLevel::Debug, (__VA_ARGS__)) + +FileDescriptorFile::FileDescriptorFile(const FileDescriptor& aFD, + nsIFile* aFile) { + MOZ_ASSERT(aFD.IsValid()); + auto platformHandle = aFD.ClonePlatformHandle(); + mFD = FileDescriptor(platformHandle.get()); + mFile = aFile; +} + +FileDescriptorFile::FileDescriptorFile(const FileDescriptorFile& aOther) { + auto platformHandle = aOther.mFD.ClonePlatformHandle(); + mFD = FileDescriptor(platformHandle.get()); + aOther.mFile->Clone(getter_AddRefs(mFile)); +} + +//----------------------------------------------------------------------------- +// FileDescriptorFile::nsIFile functions that we override logic for +//----------------------------------------------------------------------------- + +NS_IMETHODIMP +FileDescriptorFile::Clone(nsIFile** aFileOut) { + RefPtr<FileDescriptorFile> fdFile = new FileDescriptorFile(*this); + fdFile.forget(aFileOut); + return NS_OK; +} + +NS_IMETHODIMP +FileDescriptorFile::OpenNSPRFileDesc(int32_t aFlags, int32_t aMode, + PRFileDesc** aRetval) { + // Remove optional OS_READAHEAD flag so we test against PR_RDONLY + aFlags &= ~nsIFile::OS_READAHEAD; + + // Remove optional/deprecated DELETE_ON_CLOSE flag + aFlags &= ~nsIFile::DELETE_ON_CLOSE; + + // All other flags require write access to the file and + // this implementation only provides read access. + if (aFlags != PR_RDONLY) { + DBG("OpenNSPRFileDesc flags error (%" PRIu32 ")\n", aFlags); + return NS_ERROR_NOT_AVAILABLE; + } + + if (!mFD.IsValid()) { + DBG("OpenNSPRFileDesc error: no file descriptor\n"); + return NS_ERROR_NOT_AVAILABLE; + } + + auto platformHandle = mFD.ClonePlatformHandle(); + *aRetval = PR_ImportFile(PROsfd(platformHandle.release())); + + if (!*aRetval) { + DBG("OpenNSPRFileDesc Clone failure\n"); + return NS_ERROR_NOT_AVAILABLE; + } + + return NS_OK; +} + +//----------------------------------------------------------------------------- +// FileDescriptorFile::nsIFile functions that we delegate to underlying nsIFile +//----------------------------------------------------------------------------- + +nsresult FileDescriptorFile::GetLeafName(nsAString& aLeafName) { + return mFile->GetLeafName(aLeafName); +} + +NS_IMETHODIMP +FileDescriptorFile::GetNativeLeafName(nsACString& aLeafName) { + return mFile->GetNativeLeafName(aLeafName); +} + +NS_IMETHODIMP FileDescriptorFile::GetDisplayName(nsAString& aLeafName) { + return mFile->GetDisplayName(aLeafName); +} + +nsresult FileDescriptorFile::GetTarget(nsAString& aRetVal) { + return mFile->GetTarget(aRetVal); +} + +NS_IMETHODIMP +FileDescriptorFile::GetNativeTarget(nsACString& aRetVal) { + return mFile->GetNativeTarget(aRetVal); +} + +nsresult FileDescriptorFile::GetPath(nsAString& aRetVal) { + return mFile->GetPath(aRetVal); +} + +PathString FileDescriptorFile::NativePath() { return mFile->NativePath(); } + +NS_IMETHODIMP +FileDescriptorFile::Equals(nsIFile* aOther, bool* aRetVal) { + return mFile->Equals(aOther, aRetVal); +} + +NS_IMETHODIMP +FileDescriptorFile::Contains(nsIFile* aOther, bool* aRetVal) { + return mFile->Contains(aOther, aRetVal); +} + +NS_IMETHODIMP +FileDescriptorFile::GetParent(nsIFile** aParent) { + return mFile->GetParent(aParent); +} + +NS_IMETHODIMP +FileDescriptorFile::GetPersistentDescriptor(nsACString& aPersistentDescriptor) { + return mFile->GetPersistentDescriptor(aPersistentDescriptor); +} + +//----------------------------------------------------------------------------- +// FileDescriptorFile::nsIFile functions that are not currently supported +//----------------------------------------------------------------------------- + +nsresult FileDescriptorFile::Append(const nsAString& aNode) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::AppendNative(const nsACString& aFragment) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::Normalize() { return NS_ERROR_NOT_IMPLEMENTED; } + +NS_IMETHODIMP +FileDescriptorFile::Create(uint32_t aType, uint32_t aPermissions, + bool aSkipAncestors) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +nsresult FileDescriptorFile::SetLeafName(const nsAString& aLeafName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetNativeLeafName(const nsACString& aLeafName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +nsresult FileDescriptorFile::InitWithPath(const nsAString& aPath) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::InitWithNativePath(const nsACString& aPath) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::InitWithFile(nsIFile* aFile) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +nsresult FileDescriptorFile::AppendRelativePath(const nsAString& aNode) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::AppendRelativeNativePath(const nsACString& aFragment) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetPersistentDescriptor( + const nsACString& aPersistentDescriptor) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetRelativeDescriptor(nsIFile* aFromFile, + nsACString& aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetRelativeDescriptor(nsIFile* aFromFile, + const nsACString& aRelativeDesc) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetRelativePath(nsIFile* aFromFile, nsACString& aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetRelativePath(nsIFile* aFromFile, + const nsACString& aRelativePath) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +nsresult FileDescriptorFile::CopyTo(nsIFile* aNewParentDir, + const nsAString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::CopyToNative(nsIFile* aNewParent, + const nsACString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +nsresult FileDescriptorFile::CopyToFollowingLinks(nsIFile* aNewParentDir, + const nsAString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::CopyToFollowingLinksNative(nsIFile* aNewParent, + const nsACString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +nsresult FileDescriptorFile::MoveTo(nsIFile* aNewParentDir, + const nsAString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::MoveToNative(nsIFile* aNewParent, + const nsACString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::MoveToFollowingLinks(nsIFile* aNewParent, + const nsAString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::MoveToFollowingLinksNative(nsIFile* aNewParent, + const nsACString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::RenameTo(nsIFile* aNewParentDir, + const nsAString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::RenameToNative(nsIFile* aNewParentDir, + const nsACString& aNewName) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::Remove(bool aRecursive, uint32_t* aRemoveCount) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetPermissions(uint32_t* aPermissions) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetPermissions(uint32_t aPermissions) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetPermissionsOfLink(uint32_t* aPermissionsOfLink) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetPermissionsOfLink(uint32_t aPermissions) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetLastAccessedTime(PRTime* aLastAccessedTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetLastAccessedTime(PRTime aLastAccessedTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetLastAccessedTimeOfLink(PRTime* aLastAccessedTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetLastAccessedTimeOfLink(PRTime aLastAccessedTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetLastModifiedTime(PRTime* aLastModTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetLastModifiedTime(PRTime aLastModTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetLastModifiedTimeOfLink(PRTime* aLastModTimeOfLink) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetLastModifiedTimeOfLink(PRTime aLastModTimeOfLink) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetCreationTime(PRTime* aCreationTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetCreationTimeOfLink(PRTime* aCreationTime) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetFileSize(int64_t* aFileSize) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::SetFileSize(int64_t aFileSize) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetFileSizeOfLink(int64_t* aFileSize) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::Exists(bool* aRetVal) { return NS_ERROR_NOT_IMPLEMENTED; } + +NS_IMETHODIMP +FileDescriptorFile::IsWritable(bool* aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::IsReadable(bool* aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::IsExecutable(bool* aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::IsHidden(bool* aRetVal) { return NS_ERROR_NOT_IMPLEMENTED; } + +NS_IMETHODIMP +FileDescriptorFile::IsDirectory(bool* aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::IsFile(bool* aRetVal) { return NS_ERROR_NOT_IMPLEMENTED; } + +NS_IMETHODIMP +FileDescriptorFile::IsSymlink(bool* aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::IsSpecial(bool* aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::CreateUnique(uint32_t aType, uint32_t aAttributes) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetDirectoryEntriesImpl(nsIDirectoryEnumerator** aEntries) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::OpenANSIFileDesc(const char* aMode, FILE** aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::Load(PRLibrary** aRetVal) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetDiskSpaceAvailable(int64_t* aDiskSpaceAvailable) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::GetDiskCapacity(int64_t* aDiskCapacity) { + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +FileDescriptorFile::Reveal() { return NS_ERROR_NOT_IMPLEMENTED; } + +NS_IMETHODIMP +FileDescriptorFile::Launch() { return NS_ERROR_NOT_IMPLEMENTED; } + +} // namespace net +} // namespace mozilla |