mirror of
https://github.com/mozilla/gecko-dev.git
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a321c5d13e
MozReview-Commit-ID: GeFCZI3OkuQ --HG-- extra : rebase_source : 4a9868f82ae1143e7a31853641f5b5625ac21327
2693 lines
62 KiB
C++
2693 lines
62 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 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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/**
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* Implementation of nsIFile for "unixy" systems.
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*/
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/DebugOnly.h"
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#include "mozilla/Sprintf.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <utime.h>
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#include <dirent.h>
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#include <ctype.h>
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#include <locale.h>
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#if defined(HAVE_SYS_QUOTA_H) && defined(HAVE_LINUX_QUOTA_H)
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#define USE_LINUX_QUOTACTL
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#include <sys/mount.h>
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#include <sys/quota.h>
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#include <sys/sysmacros.h>
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#ifndef BLOCK_SIZE
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#define BLOCK_SIZE 1024 /* kernel block size */
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#endif
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#endif
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#include "xpcom-private.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsCRT.h"
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#include "nsCOMPtr.h"
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#include "nsMemory.h"
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#include "nsIFile.h"
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#include "nsString.h"
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#include "nsReadableUtils.h"
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#include "nsLocalFile.h"
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#include "nsIComponentManager.h"
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#include "prproces.h"
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#include "nsIDirectoryEnumerator.h"
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#include "nsISimpleEnumerator.h"
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#include "private/pprio.h"
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#include "prlink.h"
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#ifdef MOZ_WIDGET_GTK
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#include "nsIGIOService.h"
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#endif
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#ifdef MOZ_WIDGET_COCOA
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#include <Carbon/Carbon.h>
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#include "CocoaFileUtils.h"
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#include "prmem.h"
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#include "plbase64.h"
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static nsresult MacErrorMapper(OSErr inErr);
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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#include "GeneratedJNIWrappers.h"
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#include "nsIMIMEService.h"
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#include <linux/magic.h>
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#endif
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#include "nsNativeCharsetUtils.h"
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#include "nsTraceRefcnt.h"
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#include "nsHashKeys.h"
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using namespace mozilla;
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#define ENSURE_STAT_CACHE() \
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do { \
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if (!FillStatCache()) \
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return NSRESULT_FOR_ERRNO(); \
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} while(0)
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#define CHECK_mPath() \
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do { \
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if (mPath.IsEmpty()) \
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return NS_ERROR_NOT_INITIALIZED; \
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} while(0)
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/* directory enumerator */
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class nsDirEnumeratorUnix final
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: public nsISimpleEnumerator
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, public nsIDirectoryEnumerator
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{
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public:
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nsDirEnumeratorUnix();
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// nsISupports interface
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NS_DECL_ISUPPORTS
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// nsISimpleEnumerator interface
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NS_DECL_NSISIMPLEENUMERATOR
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// nsIDirectoryEnumerator interface
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NS_DECL_NSIDIRECTORYENUMERATOR
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NS_IMETHOD Init(nsLocalFile* aParent, bool aIgnored);
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private:
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~nsDirEnumeratorUnix();
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protected:
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NS_IMETHOD GetNextEntry();
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DIR* mDir;
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struct dirent* mEntry;
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nsCString mParentPath;
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};
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nsDirEnumeratorUnix::nsDirEnumeratorUnix() :
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mDir(nullptr),
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mEntry(nullptr)
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{
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}
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nsDirEnumeratorUnix::~nsDirEnumeratorUnix()
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{
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Close();
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}
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NS_IMPL_ISUPPORTS(nsDirEnumeratorUnix, nsISimpleEnumerator,
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nsIDirectoryEnumerator)
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NS_IMETHODIMP
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nsDirEnumeratorUnix::Init(nsLocalFile* aParent,
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bool aResolveSymlinks /*ignored*/)
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{
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nsAutoCString dirPath;
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if (NS_FAILED(aParent->GetNativePath(dirPath)) ||
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dirPath.IsEmpty()) {
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return NS_ERROR_FILE_INVALID_PATH;
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}
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if (NS_FAILED(aParent->GetNativePath(mParentPath))) {
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return NS_ERROR_FAILURE;
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}
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mDir = opendir(dirPath.get());
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if (!mDir) {
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return NSRESULT_FOR_ERRNO();
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}
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return GetNextEntry();
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}
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NS_IMETHODIMP
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nsDirEnumeratorUnix::HasMoreElements(bool* aResult)
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{
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*aResult = mDir && mEntry;
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if (!*aResult) {
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Close();
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDirEnumeratorUnix::GetNext(nsISupports** aResult)
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{
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nsCOMPtr<nsIFile> file;
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nsresult rv = GetNextFile(getter_AddRefs(file));
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if (NS_FAILED(rv)) {
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return rv;
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}
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NS_IF_ADDREF(*aResult = file);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDirEnumeratorUnix::GetNextEntry()
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{
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do {
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errno = 0;
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mEntry = readdir(mDir);
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// end of dir or error
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if (!mEntry) {
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return NSRESULT_FOR_ERRNO();
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}
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// keep going past "." and ".."
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} while (mEntry->d_name[0] == '.' &&
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(mEntry->d_name[1] == '\0' || // .\0
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(mEntry->d_name[1] == '.' &&
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mEntry->d_name[2] == '\0'))); // ..\0
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDirEnumeratorUnix::GetNextFile(nsIFile** aResult)
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{
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nsresult rv;
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if (!mDir || !mEntry) {
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*aResult = nullptr;
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return NS_OK;
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}
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nsCOMPtr<nsIFile> file = new nsLocalFile();
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if (NS_FAILED(rv = file->InitWithNativePath(mParentPath)) ||
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NS_FAILED(rv = file->AppendNative(nsDependentCString(mEntry->d_name)))) {
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return rv;
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}
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file.forget(aResult);
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return GetNextEntry();
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}
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NS_IMETHODIMP
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nsDirEnumeratorUnix::Close()
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{
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if (mDir) {
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closedir(mDir);
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mDir = nullptr;
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}
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return NS_OK;
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}
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nsLocalFile::nsLocalFile()
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{
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}
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nsLocalFile::nsLocalFile(const nsLocalFile& aOther)
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: mPath(aOther.mPath)
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{
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}
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#ifdef MOZ_WIDGET_COCOA
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NS_IMPL_ISUPPORTS(nsLocalFile,
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nsILocalFileMac,
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nsIFile,
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nsIHashable)
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#else
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NS_IMPL_ISUPPORTS(nsLocalFile,
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nsIFile,
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nsIHashable)
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#endif
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nsresult
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nsLocalFile::nsLocalFileConstructor(nsISupports* aOuter,
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const nsIID& aIID,
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void** aInstancePtr)
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{
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if (NS_WARN_IF(!aInstancePtr)) {
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return NS_ERROR_INVALID_ARG;
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}
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if (NS_WARN_IF(aOuter)) {
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return NS_ERROR_NO_AGGREGATION;
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}
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*aInstancePtr = nullptr;
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nsCOMPtr<nsIFile> inst = new nsLocalFile();
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return inst->QueryInterface(aIID, aInstancePtr);
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}
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bool
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nsLocalFile::FillStatCache()
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{
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if (STAT(mPath.get(), &mCachedStat) == -1) {
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// try lstat it may be a symlink
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if (LSTAT(mPath.get(), &mCachedStat) == -1) {
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return false;
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}
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}
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return true;
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}
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NS_IMETHODIMP
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nsLocalFile::Clone(nsIFile** aFile)
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{
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// Just copy-construct ourselves
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RefPtr<nsLocalFile> copy = new nsLocalFile(*this);
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copy.forget(aFile);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalFile::InitWithNativePath(const nsACString& aFilePath)
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{
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if (aFilePath.EqualsLiteral("~") ||
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Substring(aFilePath, 0, 2).EqualsLiteral("~/")) {
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nsCOMPtr<nsIFile> homeDir;
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nsAutoCString homePath;
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if (NS_FAILED(NS_GetSpecialDirectory(NS_OS_HOME_DIR,
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getter_AddRefs(homeDir))) ||
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NS_FAILED(homeDir->GetNativePath(homePath))) {
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return NS_ERROR_FAILURE;
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}
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mPath = homePath;
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if (aFilePath.Length() > 2) {
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mPath.Append(Substring(aFilePath, 1, aFilePath.Length() - 1));
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}
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} else {
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if (aFilePath.IsEmpty() || aFilePath.First() != '/') {
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return NS_ERROR_FILE_UNRECOGNIZED_PATH;
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}
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mPath = aFilePath;
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}
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// trim off trailing slashes
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ssize_t len = mPath.Length();
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while ((len > 1) && (mPath[len - 1] == '/')) {
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--len;
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}
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mPath.SetLength(len);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalFile::CreateAllAncestors(uint32_t aPermissions)
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{
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// <jband> I promise to play nice
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char* buffer = mPath.BeginWriting();
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char* slashp = buffer;
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#ifdef DEBUG_NSIFILE
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fprintf(stderr, "nsIFile: before: %s\n", buffer);
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#endif
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while ((slashp = strchr(slashp + 1, '/'))) {
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/*
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* Sequences of '/' are equivalent to a single '/'.
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*/
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if (slashp[1] == '/') {
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continue;
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}
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/*
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* If the path has a trailing slash, don't make the last component,
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* because we'll get EEXIST in Create when we try to build the final
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* component again, and it's easier to condition the logic here than
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* there.
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*/
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if (slashp[1] == '\0') {
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break;
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}
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/* Temporarily NUL-terminate here */
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*slashp = '\0';
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#ifdef DEBUG_NSIFILE
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fprintf(stderr, "nsIFile: mkdir(\"%s\")\n", buffer);
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#endif
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int mkdir_result = mkdir(buffer, aPermissions);
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int mkdir_errno = errno;
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if (mkdir_result == -1) {
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/*
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* Always set |errno| to EEXIST if the dir already exists
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* (we have to do this here since the errno value is not consistent
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* in all cases - various reasons like different platform,
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* automounter-controlled dir, etc. can affect it (see bug 125489
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* for details)).
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*/
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if (access(buffer, F_OK) == 0) {
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mkdir_errno = EEXIST;
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}
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}
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/* Put the / back before we (maybe) return */
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*slashp = '/';
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/*
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* We could get EEXIST for an existing file -- not directory --
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* with the name of one of our ancestors, but that's OK: we'll get
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* ENOTDIR when we try to make the next component in the path,
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* either here on back in Create, and error out appropriately.
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*/
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if (mkdir_result == -1 && mkdir_errno != EEXIST) {
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return nsresultForErrno(mkdir_errno);
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}
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}
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#ifdef DEBUG_NSIFILE
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fprintf(stderr, "nsIFile: after: %s\n", buffer);
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#endif
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalFile::OpenNSPRFileDesc(int32_t aFlags, int32_t aMode,
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PRFileDesc** aResult)
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{
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*aResult = PR_Open(mPath.get(), aFlags, aMode);
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if (!*aResult) {
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return NS_ErrorAccordingToNSPR();
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}
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if (aFlags & DELETE_ON_CLOSE) {
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PR_Delete(mPath.get());
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}
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#if defined(HAVE_POSIX_FADVISE)
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if (aFlags & OS_READAHEAD) {
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posix_fadvise(PR_FileDesc2NativeHandle(*aResult), 0, 0,
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POSIX_FADV_SEQUENTIAL);
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}
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#endif
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalFile::OpenANSIFileDesc(const char* aMode, FILE** aResult)
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{
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*aResult = fopen(mPath.get(), aMode);
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if (!*aResult) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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static int
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do_create(const char* aPath, int aFlags, mode_t aMode, PRFileDesc** aResult)
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{
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*aResult = PR_Open(aPath, aFlags, aMode);
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return *aResult ? 0 : -1;
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}
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static int
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do_mkdir(const char* aPath, int aFlags, mode_t aMode, PRFileDesc** aResult)
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{
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*aResult = nullptr;
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return mkdir(aPath, aMode);
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}
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nsresult
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nsLocalFile::CreateAndKeepOpen(uint32_t aType, int aFlags,
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uint32_t aPermissions, PRFileDesc** aResult)
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{
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if (aType != NORMAL_FILE_TYPE && aType != DIRECTORY_TYPE) {
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return NS_ERROR_FILE_UNKNOWN_TYPE;
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}
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int (*createFunc)(const char*, int, mode_t, PRFileDesc**) =
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(aType == NORMAL_FILE_TYPE) ? do_create : do_mkdir;
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int result = createFunc(mPath.get(), aFlags, aPermissions, aResult);
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if (result == -1 && errno == ENOENT) {
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/*
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* If we failed because of missing ancestor components, try to create
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* them and then retry the original creation.
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*
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* Ancestor directories get the same permissions as the file we're
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* creating, with the X bit set for each of (user,group,other) with
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* an R bit in the original permissions. If you want to do anything
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* fancy like setgid or sticky bits, do it by hand.
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*/
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int dirperm = aPermissions;
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if (aPermissions & S_IRUSR) {
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dirperm |= S_IXUSR;
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}
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if (aPermissions & S_IRGRP) {
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dirperm |= S_IXGRP;
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}
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if (aPermissions & S_IROTH) {
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dirperm |= S_IXOTH;
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}
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#ifdef DEBUG_NSIFILE
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fprintf(stderr, "nsIFile: perm = %o, dirperm = %o\n", aPermissions,
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dirperm);
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#endif
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if (NS_FAILED(CreateAllAncestors(dirperm))) {
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return NS_ERROR_FAILURE;
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}
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#ifdef DEBUG_NSIFILE
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fprintf(stderr, "nsIFile: Create(\"%s\") again\n", mPath.get());
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#endif
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result = createFunc(mPath.get(), aFlags, aPermissions, aResult);
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}
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return NSRESULT_FOR_RETURN(result);
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}
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NS_IMETHODIMP
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nsLocalFile::Create(uint32_t aType, uint32_t aPermissions)
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{
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PRFileDesc* junk = nullptr;
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nsresult rv = CreateAndKeepOpen(aType,
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PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE |
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PR_EXCL,
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aPermissions,
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&junk);
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if (junk) {
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PR_Close(junk);
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}
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return rv;
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}
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NS_IMETHODIMP
|
|
nsLocalFile::AppendNative(const nsACString& aFragment)
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|
{
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|
if (aFragment.IsEmpty()) {
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return NS_OK;
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}
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|
|
// only one component of path can be appended
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|
nsACString::const_iterator begin, end;
|
|
if (FindCharInReadable('/', aFragment.BeginReading(begin),
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aFragment.EndReading(end))) {
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return NS_ERROR_FILE_UNRECOGNIZED_PATH;
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}
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return AppendRelativeNativePath(aFragment);
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}
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NS_IMETHODIMP
|
|
nsLocalFile::AppendRelativeNativePath(const nsACString& aFragment)
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{
|
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if (aFragment.IsEmpty()) {
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return NS_OK;
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}
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|
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// No leading '/'
|
|
if (aFragment.First() == '/') {
|
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return NS_ERROR_FILE_UNRECOGNIZED_PATH;
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}
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|
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if (!mPath.EqualsLiteral("/")) {
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mPath.Append('/');
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}
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mPath.Append(aFragment);
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return NS_OK;
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}
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NS_IMETHODIMP
|
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nsLocalFile::Normalize()
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{
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char resolved_path[PATH_MAX] = "";
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char* resolved_path_ptr = nullptr;
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resolved_path_ptr = realpath(mPath.get(), resolved_path);
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// if there is an error, the return is null.
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if (!resolved_path_ptr) {
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return NSRESULT_FOR_ERRNO();
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}
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|
|
mPath = resolved_path;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsLocalFile::LocateNativeLeafName(nsACString::const_iterator& aBegin,
|
|
nsACString::const_iterator& aEnd)
|
|
{
|
|
// XXX perhaps we should cache this??
|
|
|
|
mPath.BeginReading(aBegin);
|
|
mPath.EndReading(aEnd);
|
|
|
|
nsACString::const_iterator it = aEnd;
|
|
nsACString::const_iterator stop = aBegin;
|
|
--stop;
|
|
while (--it != stop) {
|
|
if (*it == '/') {
|
|
aBegin = ++it;
|
|
return;
|
|
}
|
|
}
|
|
// else, the entire path is the leaf name (which means this
|
|
// isn't an absolute path... unexpected??)
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetNativeLeafName(nsACString& aLeafName)
|
|
{
|
|
nsACString::const_iterator begin, end;
|
|
LocateNativeLeafName(begin, end);
|
|
aLeafName = Substring(begin, end);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetNativeLeafName(const nsACString& aLeafName)
|
|
{
|
|
nsACString::const_iterator begin, end;
|
|
LocateNativeLeafName(begin, end);
|
|
mPath.Replace(begin.get() - mPath.get(), Distance(begin, end), aLeafName);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCString
|
|
nsLocalFile::NativePath()
|
|
{
|
|
return mPath;
|
|
}
|
|
|
|
nsresult
|
|
nsIFile::GetNativePath(nsACString& aResult)
|
|
{
|
|
aResult = NativePath();
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCString
|
|
nsIFile::HumanReadablePath()
|
|
{
|
|
nsCString path;
|
|
DebugOnly<nsresult> rv = GetNativePath(path);
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv));
|
|
return path;
|
|
}
|
|
|
|
nsresult
|
|
nsLocalFile::GetNativeTargetPathName(nsIFile* aNewParent,
|
|
const nsACString& aNewName,
|
|
nsACString& aResult)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIFile> oldParent;
|
|
|
|
if (!aNewParent) {
|
|
if (NS_FAILED(rv = GetParent(getter_AddRefs(oldParent)))) {
|
|
return rv;
|
|
}
|
|
aNewParent = oldParent.get();
|
|
} else {
|
|
// check to see if our target directory exists
|
|
bool targetExists;
|
|
if (NS_FAILED(rv = aNewParent->Exists(&targetExists))) {
|
|
return rv;
|
|
}
|
|
|
|
if (!targetExists) {
|
|
// XXX create the new directory with some permissions
|
|
rv = aNewParent->Create(DIRECTORY_TYPE, 0755);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
} else {
|
|
// make sure that the target is actually a directory
|
|
bool targetIsDirectory;
|
|
if (NS_FAILED(rv = aNewParent->IsDirectory(&targetIsDirectory))) {
|
|
return rv;
|
|
}
|
|
if (!targetIsDirectory) {
|
|
return NS_ERROR_FILE_DESTINATION_NOT_DIR;
|
|
}
|
|
}
|
|
}
|
|
|
|
nsACString::const_iterator nameBegin, nameEnd;
|
|
if (!aNewName.IsEmpty()) {
|
|
aNewName.BeginReading(nameBegin);
|
|
aNewName.EndReading(nameEnd);
|
|
} else {
|
|
LocateNativeLeafName(nameBegin, nameEnd);
|
|
}
|
|
|
|
nsAutoCString dirName;
|
|
if (NS_FAILED(rv = aNewParent->GetNativePath(dirName))) {
|
|
return rv;
|
|
}
|
|
|
|
aResult = dirName + NS_LITERAL_CSTRING("/") + Substring(nameBegin, nameEnd);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsLocalFile::CopyDirectoryTo(nsIFile* aNewParent)
|
|
{
|
|
nsresult rv;
|
|
/*
|
|
* dirCheck is used for various boolean test results such as from Equals,
|
|
* Exists, isDir, etc.
|
|
*/
|
|
bool dirCheck, isSymlink;
|
|
uint32_t oldPerms;
|
|
|
|
if (NS_FAILED(rv = IsDirectory(&dirCheck))) {
|
|
return rv;
|
|
}
|
|
if (!dirCheck) {
|
|
return CopyToNative(aNewParent, EmptyCString());
|
|
}
|
|
|
|
if (NS_FAILED(rv = Equals(aNewParent, &dirCheck))) {
|
|
return rv;
|
|
}
|
|
if (dirCheck) {
|
|
// can't copy dir to itself
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
if (NS_FAILED(rv = aNewParent->Exists(&dirCheck))) {
|
|
return rv;
|
|
}
|
|
// get the dirs old permissions
|
|
if (NS_FAILED(rv = GetPermissions(&oldPerms))) {
|
|
return rv;
|
|
}
|
|
if (!dirCheck) {
|
|
if (NS_FAILED(rv = aNewParent->Create(DIRECTORY_TYPE, oldPerms))) {
|
|
return rv;
|
|
}
|
|
} else { // dir exists lets try to use leaf
|
|
nsAutoCString leafName;
|
|
if (NS_FAILED(rv = GetNativeLeafName(leafName))) {
|
|
return rv;
|
|
}
|
|
if (NS_FAILED(rv = aNewParent->AppendNative(leafName))) {
|
|
return rv;
|
|
}
|
|
if (NS_FAILED(rv = aNewParent->Exists(&dirCheck))) {
|
|
return rv;
|
|
}
|
|
if (dirCheck) {
|
|
return NS_ERROR_FILE_ALREADY_EXISTS; // dest exists
|
|
}
|
|
if (NS_FAILED(rv = aNewParent->Create(DIRECTORY_TYPE, oldPerms))) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> dirIterator;
|
|
if (NS_FAILED(rv = GetDirectoryEntries(getter_AddRefs(dirIterator)))) {
|
|
return rv;
|
|
}
|
|
|
|
bool hasMore = false;
|
|
while (NS_SUCCEEDED(dirIterator->HasMoreElements(&hasMore)) && hasMore) {
|
|
nsCOMPtr<nsISupports> supports;
|
|
nsCOMPtr<nsIFile> entry;
|
|
rv = dirIterator->GetNext(getter_AddRefs(supports));
|
|
entry = do_QueryInterface(supports);
|
|
if (NS_FAILED(rv) || !entry) {
|
|
continue;
|
|
}
|
|
if (NS_FAILED(rv = entry->IsSymlink(&isSymlink))) {
|
|
return rv;
|
|
}
|
|
if (NS_FAILED(rv = entry->IsDirectory(&dirCheck))) {
|
|
return rv;
|
|
}
|
|
if (dirCheck && !isSymlink) {
|
|
nsCOMPtr<nsIFile> destClone;
|
|
rv = aNewParent->Clone(getter_AddRefs(destClone));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (NS_FAILED(rv = entry->CopyToNative(destClone, EmptyCString()))) {
|
|
#ifdef DEBUG
|
|
nsresult rv2;
|
|
nsAutoCString pathName;
|
|
if (NS_FAILED(rv2 = entry->GetNativePath(pathName))) {
|
|
return rv2;
|
|
}
|
|
printf("Operation not supported: %s\n", pathName.get());
|
|
#endif
|
|
if (rv == NS_ERROR_OUT_OF_MEMORY) {
|
|
return rv;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
} else {
|
|
if (NS_FAILED(rv = entry->CopyToNative(aNewParent, EmptyCString()))) {
|
|
#ifdef DEBUG
|
|
nsresult rv2;
|
|
nsAutoCString pathName;
|
|
if (NS_FAILED(rv2 = entry->GetNativePath(pathName))) {
|
|
return rv2;
|
|
}
|
|
printf("Operation not supported: %s\n", pathName.get());
|
|
#endif
|
|
if (rv == NS_ERROR_OUT_OF_MEMORY) {
|
|
return rv;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::CopyToNative(nsIFile* aNewParent, const nsACString& aNewName)
|
|
{
|
|
nsresult rv;
|
|
// check to make sure that this has been initialized properly
|
|
CHECK_mPath();
|
|
|
|
// we copy the parent here so 'aNewParent' remains immutable
|
|
nsCOMPtr <nsIFile> workParent;
|
|
if (aNewParent) {
|
|
if (NS_FAILED(rv = aNewParent->Clone(getter_AddRefs(workParent)))) {
|
|
return rv;
|
|
}
|
|
} else {
|
|
if (NS_FAILED(rv = GetParent(getter_AddRefs(workParent)))) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
// check to see if we are a directory or if we are a file
|
|
bool isDirectory;
|
|
if (NS_FAILED(rv = IsDirectory(&isDirectory))) {
|
|
return rv;
|
|
}
|
|
|
|
nsAutoCString newPathName;
|
|
if (isDirectory) {
|
|
if (!aNewName.IsEmpty()) {
|
|
if (NS_FAILED(rv = workParent->AppendNative(aNewName))) {
|
|
return rv;
|
|
}
|
|
} else {
|
|
if (NS_FAILED(rv = GetNativeLeafName(newPathName))) {
|
|
return rv;
|
|
}
|
|
if (NS_FAILED(rv = workParent->AppendNative(newPathName))) {
|
|
return rv;
|
|
}
|
|
}
|
|
if (NS_FAILED(rv = CopyDirectoryTo(workParent))) {
|
|
return rv;
|
|
}
|
|
} else {
|
|
rv = GetNativeTargetPathName(workParent, aNewName, newPathName);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
#ifdef DEBUG_blizzard
|
|
printf("nsLocalFile::CopyTo() %s -> %s\n", mPath.get(), newPathName.get());
|
|
#endif
|
|
|
|
// actually create the file.
|
|
auto* newFile = new nsLocalFile();
|
|
nsCOMPtr<nsIFile> fileRef(newFile); // release on exit
|
|
|
|
rv = newFile->InitWithNativePath(newPathName);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// get the old permissions
|
|
uint32_t myPerms;
|
|
GetPermissions(&myPerms);
|
|
|
|
// Create the new file with the old file's permissions, even if write
|
|
// permission is missing. We can't create with write permission and
|
|
// then change back to myPerm on all filesystems (FAT on Linux, e.g.).
|
|
// But we can write to a read-only file on all Unix filesystems if we
|
|
// open it successfully for writing.
|
|
|
|
PRFileDesc* newFD;
|
|
rv = newFile->CreateAndKeepOpen(NORMAL_FILE_TYPE,
|
|
PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE,
|
|
myPerms,
|
|
&newFD);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// open the old file, too
|
|
bool specialFile;
|
|
if (NS_FAILED(rv = IsSpecial(&specialFile))) {
|
|
PR_Close(newFD);
|
|
return rv;
|
|
}
|
|
if (specialFile) {
|
|
#ifdef DEBUG
|
|
printf("Operation not supported: %s\n", mPath.get());
|
|
#endif
|
|
// make sure to clean up properly
|
|
PR_Close(newFD);
|
|
return NS_OK;
|
|
}
|
|
|
|
PRFileDesc* oldFD;
|
|
rv = OpenNSPRFileDesc(PR_RDONLY, myPerms, &oldFD);
|
|
if (NS_FAILED(rv)) {
|
|
// make sure to clean up properly
|
|
PR_Close(newFD);
|
|
return rv;
|
|
}
|
|
|
|
#ifdef DEBUG_blizzard
|
|
int32_t totalRead = 0;
|
|
int32_t totalWritten = 0;
|
|
#endif
|
|
char buf[BUFSIZ];
|
|
int32_t bytesRead;
|
|
|
|
// record PR_Write() error for better error message later.
|
|
nsresult saved_write_error = NS_OK;
|
|
nsresult saved_read_error = NS_OK;
|
|
nsresult saved_read_close_error = NS_OK;
|
|
nsresult saved_write_close_error = NS_OK;
|
|
|
|
// DONE: Does PR_Read() return bytesRead < 0 for error?
|
|
// Yes., The errors from PR_Read are not so common and
|
|
// the value may not have correspondence in NS_ERROR_*, but
|
|
// we do catch it still, immediately after while() loop.
|
|
// We can differentiate errors pf PR_Read and PR_Write by
|
|
// looking at saved_write_error value. If PR_Write error occurs (and not
|
|
// PR_Read() error), save_write_error is not NS_OK.
|
|
|
|
while ((bytesRead = PR_Read(oldFD, buf, BUFSIZ)) > 0) {
|
|
#ifdef DEBUG_blizzard
|
|
totalRead += bytesRead;
|
|
#endif
|
|
|
|
// PR_Write promises never to do a short write
|
|
int32_t bytesWritten = PR_Write(newFD, buf, bytesRead);
|
|
if (bytesWritten < 0) {
|
|
saved_write_error = NSRESULT_FOR_ERRNO();
|
|
bytesRead = -1;
|
|
break;
|
|
}
|
|
NS_ASSERTION(bytesWritten == bytesRead, "short PR_Write?");
|
|
|
|
#ifdef DEBUG_blizzard
|
|
totalWritten += bytesWritten;
|
|
#endif
|
|
}
|
|
|
|
// TODO/FIXME: If CIFS (and NFS?) may force read/write to return EINTR,
|
|
// we are better off to prepare for retrying. But we need confirmation if
|
|
// EINTR is returned.
|
|
|
|
// Record error if PR_Read() failed.
|
|
// Must be done before any other I/O which may reset errno.
|
|
if (bytesRead < 0 && saved_write_error == NS_OK) {
|
|
saved_read_error = NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
#ifdef DEBUG_blizzard
|
|
printf("read %d bytes, wrote %d bytes\n",
|
|
totalRead, totalWritten);
|
|
#endif
|
|
|
|
// DONE: Errors of close can occur. Read man page of
|
|
// close(2);
|
|
// This is likely to happen if the file system is remote file
|
|
// system (NFS, CIFS, etc.) and network outage occurs.
|
|
// At least, we should tell the user that filesystem/disk is
|
|
// hosed (possibly due to network error, hard disk failure,
|
|
// etc.) so that users can take remedial action.
|
|
|
|
// close the files
|
|
if (PR_Close(newFD) < 0) {
|
|
saved_write_close_error = NSRESULT_FOR_ERRNO();
|
|
#if DEBUG
|
|
// This error merits printing.
|
|
fprintf(stderr, "ERROR: PR_Close(newFD) returned error. errno = %d\n", errno);
|
|
#endif
|
|
}
|
|
|
|
if (PR_Close(oldFD) < 0) {
|
|
saved_read_close_error = NSRESULT_FOR_ERRNO();
|
|
#if DEBUG
|
|
fprintf(stderr, "ERROR: PR_Close(oldFD) returned error. errno = %d\n", errno);
|
|
#endif
|
|
}
|
|
|
|
// Let us report the failure to write and read.
|
|
// check for write/read error after cleaning up
|
|
if (bytesRead < 0) {
|
|
if (saved_write_error != NS_OK) {
|
|
return saved_write_error;
|
|
}
|
|
if (saved_read_error != NS_OK) {
|
|
return saved_read_error;
|
|
}
|
|
#if DEBUG
|
|
MOZ_ASSERT(0);
|
|
#endif
|
|
}
|
|
|
|
if (saved_write_close_error != NS_OK) {
|
|
return saved_write_close_error;
|
|
}
|
|
if (saved_read_close_error != NS_OK) {
|
|
return saved_read_close_error;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::CopyToFollowingLinksNative(nsIFile* aNewParent,
|
|
const nsACString& aNewName)
|
|
{
|
|
return CopyToNative(aNewParent, aNewName);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::MoveToNative(nsIFile* aNewParent, const nsACString& aNewName)
|
|
{
|
|
nsresult rv;
|
|
|
|
// check to make sure that this has been initialized properly
|
|
CHECK_mPath();
|
|
|
|
// check to make sure that we have a new parent
|
|
nsAutoCString newPathName;
|
|
rv = GetNativeTargetPathName(aNewParent, aNewName, newPathName);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// try for atomic rename, falling back to copy/delete
|
|
if (rename(mPath.get(), newPathName.get()) < 0) {
|
|
if (errno == EXDEV) {
|
|
rv = CopyToNative(aNewParent, aNewName);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = Remove(true);
|
|
}
|
|
} else {
|
|
rv = NSRESULT_FOR_ERRNO();
|
|
}
|
|
}
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
// Adjust this
|
|
mPath = newPathName;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Remove(bool aRecursive)
|
|
{
|
|
CHECK_mPath();
|
|
ENSURE_STAT_CACHE();
|
|
|
|
bool isSymLink;
|
|
|
|
nsresult rv = IsSymlink(&isSymLink);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (isSymLink || !S_ISDIR(mCachedStat.st_mode)) {
|
|
return NSRESULT_FOR_RETURN(unlink(mPath.get()));
|
|
}
|
|
|
|
if (aRecursive) {
|
|
auto* dir = new nsDirEnumeratorUnix();
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> dirRef(dir); // release on exit
|
|
|
|
rv = dir->Init(this, false);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
bool more;
|
|
while (NS_SUCCEEDED(dir->HasMoreElements(&more)) && more) {
|
|
nsCOMPtr<nsISupports> item;
|
|
rv = dir->GetNext(getter_AddRefs(item));
|
|
if (NS_FAILED(rv)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIFile> file = do_QueryInterface(item, &rv);
|
|
if (NS_FAILED(rv)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
rv = file->Remove(aRecursive);
|
|
|
|
#ifdef ANDROID
|
|
// See bug 580434 - Bionic gives us just deleted files
|
|
if (rv == NS_ERROR_FILE_TARGET_DOES_NOT_EXIST) {
|
|
continue;
|
|
}
|
|
#endif
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NSRESULT_FOR_RETURN(rmdir(mPath.get()));
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetLastModifiedTime(PRTime* aLastModTime)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aLastModTime)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
PRFileInfo64 info;
|
|
if (PR_GetFileInfo64(mPath.get(), &info) != PR_SUCCESS) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
PRTime modTime = info.modifyTime;
|
|
if (modTime == 0) {
|
|
*aLastModTime = 0;
|
|
} else {
|
|
*aLastModTime = modTime / PR_USEC_PER_MSEC;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetLastModifiedTime(PRTime aLastModTime)
|
|
{
|
|
CHECK_mPath();
|
|
|
|
int result;
|
|
if (aLastModTime != 0) {
|
|
ENSURE_STAT_CACHE();
|
|
struct utimbuf ut;
|
|
ut.actime = mCachedStat.st_atime;
|
|
|
|
// convert milliseconds to seconds since the unix epoch
|
|
ut.modtime = (time_t)(aLastModTime / PR_MSEC_PER_SEC);
|
|
result = utime(mPath.get(), &ut);
|
|
} else {
|
|
result = utime(mPath.get(), nullptr);
|
|
}
|
|
return NSRESULT_FOR_RETURN(result);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetLastModifiedTimeOfLink(PRTime* aLastModTimeOfLink)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aLastModTimeOfLink)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
struct STAT sbuf;
|
|
if (LSTAT(mPath.get(), &sbuf) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
*aLastModTimeOfLink = PRTime(sbuf.st_mtime) * PR_MSEC_PER_SEC;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* utime(2) may or may not dereference symlinks, joy.
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetLastModifiedTimeOfLink(PRTime aLastModTimeOfLink)
|
|
{
|
|
return SetLastModifiedTime(aLastModTimeOfLink);
|
|
}
|
|
|
|
/*
|
|
* Only send back permissions bits: maybe we want to send back the whole
|
|
* mode_t to permit checks against other file types?
|
|
*/
|
|
|
|
#define NORMALIZE_PERMS(mode) ((mode)& (S_IRWXU | S_IRWXG | S_IRWXO))
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetPermissions(uint32_t* aPermissions)
|
|
{
|
|
if (NS_WARN_IF(!aPermissions)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
ENSURE_STAT_CACHE();
|
|
*aPermissions = NORMALIZE_PERMS(mCachedStat.st_mode);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetPermissionsOfLink(uint32_t* aPermissionsOfLink)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aPermissionsOfLink)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
struct STAT sbuf;
|
|
if (LSTAT(mPath.get(), &sbuf) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
*aPermissionsOfLink = NORMALIZE_PERMS(sbuf.st_mode);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetPermissions(uint32_t aPermissions)
|
|
{
|
|
CHECK_mPath();
|
|
|
|
/*
|
|
* Race condition here: we should use fchmod instead, there's no way to
|
|
* guarantee the name still refers to the same file.
|
|
*/
|
|
if (chmod(mPath.get(), aPermissions) >= 0) {
|
|
return NS_OK;
|
|
}
|
|
#if defined(ANDROID) && defined(STATFS)
|
|
// For the time being, this is restricted for use by Android, but we
|
|
// will figure out what to do for all platforms in bug 638503
|
|
struct STATFS sfs;
|
|
if (STATFS(mPath.get(), &sfs) < 0) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
// if this is a FAT file system we can't set file permissions
|
|
if (sfs.f_type == MSDOS_SUPER_MAGIC) {
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetPermissionsOfLink(uint32_t aPermissions)
|
|
{
|
|
// There isn't a consistent mechanism for doing this on UNIX platforms. We
|
|
// might want to carefully implement this in the future though.
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFileSize(int64_t* aFileSize)
|
|
{
|
|
if (NS_WARN_IF(!aFileSize)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aFileSize = 0;
|
|
ENSURE_STAT_CACHE();
|
|
|
|
if (!S_ISDIR(mCachedStat.st_mode)) {
|
|
*aFileSize = (int64_t)mCachedStat.st_size;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetFileSize(int64_t aFileSize)
|
|
{
|
|
CHECK_mPath();
|
|
|
|
#if defined(ANDROID)
|
|
/* no truncate on bionic */
|
|
int fd = open(mPath.get(), O_WRONLY);
|
|
if (fd == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
int ret = ftruncate(fd, (off_t)aFileSize);
|
|
close(fd);
|
|
|
|
if (ret == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
#elif defined(HAVE_TRUNCATE64)
|
|
if (truncate64(mPath.get(), (off64_t)aFileSize) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
#else
|
|
off_t size = (off_t)aFileSize;
|
|
if (truncate(mPath.get(), size) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFileSizeOfLink(int64_t* aFileSize)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aFileSize)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
struct STAT sbuf;
|
|
if (LSTAT(mPath.get(), &sbuf) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
*aFileSize = (int64_t)sbuf.st_size;
|
|
return NS_OK;
|
|
}
|
|
|
|
#if defined(USE_LINUX_QUOTACTL)
|
|
/*
|
|
* Searches /proc/self/mountinfo for given device (Major:Minor),
|
|
* returns exported name from /dev
|
|
*
|
|
* Fails when /proc/self/mountinfo or diven device don't exist.
|
|
*/
|
|
static bool
|
|
GetDeviceName(unsigned int aDeviceMajor, unsigned int aDeviceMinor,
|
|
nsACString& aDeviceName)
|
|
{
|
|
bool ret = false;
|
|
|
|
const int kMountInfoLineLength = 200;
|
|
const int kMountInfoDevPosition = 6;
|
|
|
|
char mountinfoLine[kMountInfoLineLength];
|
|
char deviceNum[kMountInfoLineLength];
|
|
|
|
SprintfLiteral(deviceNum, "%u:%u", aDeviceMajor, aDeviceMinor);
|
|
|
|
FILE* f = fopen("/proc/self/mountinfo", "rt");
|
|
if (!f) {
|
|
return ret;
|
|
}
|
|
|
|
// Expects /proc/self/mountinfo in format:
|
|
// 'ID ID major:minor root mountpoint flags - type devicename flags'
|
|
while (fgets(mountinfoLine, kMountInfoLineLength, f)) {
|
|
char* p_dev = strstr(mountinfoLine, deviceNum);
|
|
|
|
for (int i = 0; i < kMountInfoDevPosition && p_dev; ++i) {
|
|
p_dev = strchr(p_dev, ' ');
|
|
if (p_dev) {
|
|
p_dev++;
|
|
}
|
|
}
|
|
|
|
if (p_dev) {
|
|
char* p_dev_end = strchr(p_dev, ' ');
|
|
if (p_dev_end) {
|
|
*p_dev_end = '\0';
|
|
aDeviceName.Assign(p_dev);
|
|
ret = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetDiskSpaceAvailable(int64_t* aDiskSpaceAvailable)
|
|
{
|
|
if (NS_WARN_IF(!aDiskSpaceAvailable)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
// These systems have the operations necessary to check disk space.
|
|
|
|
#ifdef STATFS
|
|
|
|
// check to make sure that mPath is properly initialized
|
|
CHECK_mPath();
|
|
|
|
struct STATFS fs_buf;
|
|
|
|
/*
|
|
* Members of the STATFS struct that you should know about:
|
|
* F_BSIZE = block size on disk.
|
|
* f_bavail = number of free blocks available to a non-superuser.
|
|
* f_bfree = number of total free blocks in file system.
|
|
*/
|
|
|
|
if (STATFS(mPath.get(), &fs_buf) < 0) {
|
|
// The call to STATFS failed.
|
|
#ifdef DEBUG
|
|
printf("ERROR: GetDiskSpaceAvailable: STATFS call FAILED. \n");
|
|
#endif
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
*aDiskSpaceAvailable = (int64_t)fs_buf.F_BSIZE * fs_buf.f_bavail;
|
|
|
|
#ifdef DEBUG_DISK_SPACE
|
|
printf("DiskSpaceAvailable: %lu bytes\n",
|
|
*aDiskSpaceAvailable);
|
|
#endif
|
|
|
|
#if defined(USE_LINUX_QUOTACTL)
|
|
|
|
if (!FillStatCache()) {
|
|
// Return available size from statfs
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCString deviceName;
|
|
if (!GetDeviceName(major(mCachedStat.st_dev),
|
|
minor(mCachedStat.st_dev),
|
|
deviceName)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
struct dqblk dq;
|
|
if (!quotactl(QCMD(Q_GETQUOTA, USRQUOTA), deviceName.get(),
|
|
getuid(), (caddr_t)&dq)
|
|
#ifdef QIF_BLIMITS
|
|
&& dq.dqb_valid & QIF_BLIMITS
|
|
#endif
|
|
&& dq.dqb_bhardlimit) {
|
|
int64_t QuotaSpaceAvailable = 0;
|
|
// dqb_bhardlimit is count of BLOCK_SIZE blocks, dqb_curspace is bytes
|
|
if ((BLOCK_SIZE * dq.dqb_bhardlimit) > dq.dqb_curspace)
|
|
QuotaSpaceAvailable = int64_t(BLOCK_SIZE * dq.dqb_bhardlimit - dq.dqb_curspace);
|
|
if (QuotaSpaceAvailable < *aDiskSpaceAvailable) {
|
|
*aDiskSpaceAvailable = QuotaSpaceAvailable;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return NS_OK;
|
|
|
|
#else
|
|
/*
|
|
* This platform doesn't have statfs or statvfs. I'm sure that there's
|
|
* a way to check for free disk space on platforms that don't have statfs
|
|
* (I'm SURE they have df, for example).
|
|
*
|
|
* Until we figure out how to do that, lets be honest and say that this
|
|
* command isn't implemented properly for these platforms yet.
|
|
*/
|
|
#ifdef DEBUG
|
|
printf("ERROR: GetDiskSpaceAvailable: Not implemented for plaforms without statfs.\n");
|
|
#endif
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
#endif /* STATFS */
|
|
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetParent(nsIFile** aParent)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aParent)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aParent = nullptr;
|
|
|
|
// if '/' we are at the top of the volume, return null
|
|
if (mPath.EqualsLiteral("/")) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// <brendan, after jband> I promise to play nice
|
|
char* buffer = mPath.BeginWriting();
|
|
// find the last significant slash in buffer
|
|
char* slashp = strrchr(buffer, '/');
|
|
NS_ASSERTION(slashp, "non-canonical path?");
|
|
if (!slashp) {
|
|
return NS_ERROR_FILE_INVALID_PATH;
|
|
}
|
|
|
|
// for the case where we are at '/'
|
|
if (slashp == buffer) {
|
|
slashp++;
|
|
}
|
|
|
|
// temporarily terminate buffer at the last significant slash
|
|
char c = *slashp;
|
|
*slashp = '\0';
|
|
|
|
nsCOMPtr<nsIFile> localFile;
|
|
nsresult rv = NS_NewNativeLocalFile(nsDependentCString(buffer), true,
|
|
getter_AddRefs(localFile));
|
|
|
|
// make buffer whole again
|
|
*slashp = c;
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
localFile.forget(aParent);
|
|
return NS_OK;
|
|
}
|
|
|
|
/*
|
|
* The results of Exists, isWritable and isReadable are not cached.
|
|
*/
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Exists(bool* aResult)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
*aResult = (access(mPath.get(), F_OK) == 0);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsWritable(bool* aResult)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
*aResult = (access(mPath.get(), W_OK) == 0);
|
|
if (*aResult || errno == EACCES) {
|
|
return NS_OK;
|
|
}
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsReadable(bool* aResult)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
*aResult = (access(mPath.get(), R_OK) == 0);
|
|
if (*aResult || errno == EACCES) {
|
|
return NS_OK;
|
|
}
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsExecutable(bool* aResult)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
// Check extension (bug 663899). On certain platforms, the file
|
|
// extension may cause the OS to treat it as executable regardless of
|
|
// the execute bit, such as .jar on Mac OS X. We borrow the code from
|
|
// nsLocalFileWin, slightly modified.
|
|
|
|
// Don't be fooled by symlinks.
|
|
bool symLink;
|
|
nsresult rv = IsSymlink(&symLink);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsAutoString path;
|
|
if (symLink) {
|
|
GetTarget(path);
|
|
} else {
|
|
GetPath(path);
|
|
}
|
|
|
|
int32_t dotIdx = path.RFindChar(char16_t('.'));
|
|
if (dotIdx != kNotFound) {
|
|
// Convert extension to lower case.
|
|
char16_t* p = path.BeginWriting();
|
|
for (p += dotIdx + 1; *p; ++p) {
|
|
*p += (*p >= L'A' && *p <= L'Z') ? 'a' - 'A' : 0;
|
|
}
|
|
|
|
// Search for any of the set of executable extensions.
|
|
static const char* const executableExts[] = {
|
|
"air", // Adobe AIR installer
|
|
"jar" // java application bundle
|
|
};
|
|
nsDependentSubstring ext = Substring(path, dotIdx + 1);
|
|
for (auto executableExt : executableExts) {
|
|
if (ext.EqualsASCII(executableExt)) {
|
|
// Found a match. Set result and quit.
|
|
*aResult = true;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// On OS X, then query Launch Services.
|
|
#ifdef MOZ_WIDGET_COCOA
|
|
// Certain Mac applications, such as Classic applications, which
|
|
// run under Rosetta, might not have the +x mode bit but are still
|
|
// considered to be executable by Launch Services (bug 646748).
|
|
CFURLRef url;
|
|
if (NS_FAILED(GetCFURL(&url))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
LSRequestedInfo theInfoRequest = kLSRequestAllInfo;
|
|
LSItemInfoRecord theInfo;
|
|
OSStatus result = ::LSCopyItemInfoForURL(url, theInfoRequest, &theInfo);
|
|
::CFRelease(url);
|
|
if (result == noErr) {
|
|
if ((theInfo.flags & kLSItemInfoIsApplication) != 0) {
|
|
*aResult = true;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Then check the execute bit.
|
|
*aResult = (access(mPath.get(), X_OK) == 0);
|
|
#ifdef SOLARIS
|
|
// On Solaris, access will always return 0 for root user, however
|
|
// the file is only executable if S_IXUSR | S_IXGRP | S_IXOTH is set.
|
|
// See bug 351950, https://bugzilla.mozilla.org/show_bug.cgi?id=351950
|
|
if (*aResult) {
|
|
struct STAT buf;
|
|
|
|
*aResult = (STAT(mPath.get(), &buf) == 0);
|
|
if (*aResult || errno == EACCES) {
|
|
*aResult = *aResult && (buf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH));
|
|
return NS_OK;
|
|
}
|
|
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
#endif
|
|
if (*aResult || errno == EACCES) {
|
|
return NS_OK;
|
|
}
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsDirectory(bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aResult = false;
|
|
ENSURE_STAT_CACHE();
|
|
*aResult = S_ISDIR(mCachedStat.st_mode);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsFile(bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aResult = false;
|
|
ENSURE_STAT_CACHE();
|
|
*aResult = S_ISREG(mCachedStat.st_mode);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsHidden(bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
nsACString::const_iterator begin, end;
|
|
LocateNativeLeafName(begin, end);
|
|
*aResult = (*begin == '.');
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsSymlink(bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
CHECK_mPath();
|
|
|
|
struct STAT symStat;
|
|
if (LSTAT(mPath.get(), &symStat) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
*aResult = S_ISLNK(symStat.st_mode);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsSpecial(bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
ENSURE_STAT_CACHE();
|
|
*aResult = S_ISCHR(mCachedStat.st_mode) ||
|
|
S_ISBLK(mCachedStat.st_mode) ||
|
|
#ifdef S_ISSOCK
|
|
S_ISSOCK(mCachedStat.st_mode) ||
|
|
#endif
|
|
S_ISFIFO(mCachedStat.st_mode);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Equals(nsIFile* aInFile, bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aInFile)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aResult = false;
|
|
|
|
nsAutoCString inPath;
|
|
nsresult rv = aInFile->GetNativePath(inPath);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// We don't need to worry about "/foo/" vs. "/foo" here
|
|
// because trailing slashes are stripped on init.
|
|
*aResult = !strcmp(inPath.get(), mPath.get());
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Contains(nsIFile* aInFile, bool* aResult)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aInFile)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsAutoCString inPath;
|
|
nsresult rv;
|
|
|
|
if (NS_FAILED(rv = aInFile->GetNativePath(inPath))) {
|
|
return rv;
|
|
}
|
|
|
|
*aResult = false;
|
|
|
|
ssize_t len = mPath.Length();
|
|
if (strncmp(mPath.get(), inPath.get(), len) == 0) {
|
|
// Now make sure that the |aInFile|'s path has a separator at len,
|
|
// which implies that it has more components after len.
|
|
if (inPath[len] == '/') {
|
|
*aResult = true;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetNativeTarget(nsACString& aResult)
|
|
{
|
|
CHECK_mPath();
|
|
aResult.Truncate();
|
|
|
|
struct STAT symStat;
|
|
if (LSTAT(mPath.get(), &symStat) == -1) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
if (!S_ISLNK(symStat.st_mode)) {
|
|
return NS_ERROR_FILE_INVALID_PATH;
|
|
}
|
|
|
|
int32_t size = (int32_t)symStat.st_size;
|
|
nsAutoCString target;
|
|
if (!target.SetLength(size, mozilla::fallible)) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
if (readlink(mPath.get(), target.BeginWriting(), (size_t)size) < 0) {
|
|
return NSRESULT_FOR_ERRNO();
|
|
}
|
|
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIFile> self(this);
|
|
int32_t maxLinks = 40;
|
|
while (true) {
|
|
if (maxLinks-- == 0) {
|
|
rv = NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
|
|
break;
|
|
}
|
|
|
|
if (target[0] != '/') {
|
|
nsCOMPtr<nsIFile> parent;
|
|
if (NS_FAILED(rv = self->GetParent(getter_AddRefs(parent)))) {
|
|
break;
|
|
}
|
|
if (NS_FAILED(rv = parent->AppendRelativeNativePath(target))) {
|
|
break;
|
|
}
|
|
if (NS_FAILED(rv = parent->GetNativePath(aResult))) {
|
|
break;
|
|
}
|
|
self = parent;
|
|
} else {
|
|
aResult = target;
|
|
}
|
|
|
|
const nsPromiseFlatCString& flatRetval = PromiseFlatCString(aResult);
|
|
|
|
// Any failure in testing the current target we'll just interpret
|
|
// as having reached our destiny.
|
|
if (LSTAT(flatRetval.get(), &symStat) == -1) {
|
|
break;
|
|
}
|
|
|
|
// And of course we're done if it isn't a symlink.
|
|
if (!S_ISLNK(symStat.st_mode)) {
|
|
break;
|
|
}
|
|
|
|
int32_t newSize = (int32_t)symStat.st_size;
|
|
size = newSize;
|
|
nsAutoCString newTarget;
|
|
if (!newTarget.SetLength(size, mozilla::fallible)) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
break;
|
|
}
|
|
|
|
int32_t linkLen = readlink(flatRetval.get(), newTarget.BeginWriting(), size);
|
|
if (linkLen == -1) {
|
|
rv = NSRESULT_FOR_ERRNO();
|
|
break;
|
|
}
|
|
target = newTarget;
|
|
}
|
|
|
|
if (NS_FAILED(rv)) {
|
|
aResult.Truncate();
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFollowLinks(bool* aFollowLinks)
|
|
{
|
|
*aFollowLinks = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetFollowLinks(bool aFollowLinks)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator** aEntries)
|
|
{
|
|
RefPtr<nsDirEnumeratorUnix> dir = new nsDirEnumeratorUnix();
|
|
|
|
nsresult rv = dir->Init(this, false);
|
|
if (NS_FAILED(rv)) {
|
|
*aEntries = nullptr;
|
|
} else {
|
|
dir.forget(aEntries);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Load(PRLibrary** aResult)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
#ifdef NS_BUILD_REFCNT_LOGGING
|
|
nsTraceRefcnt::SetActivityIsLegal(false);
|
|
#endif
|
|
|
|
*aResult = PR_LoadLibrary(mPath.get());
|
|
|
|
#ifdef NS_BUILD_REFCNT_LOGGING
|
|
nsTraceRefcnt::SetActivityIsLegal(true);
|
|
#endif
|
|
|
|
if (!*aResult) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetPersistentDescriptor(nsACString& aPersistentDescriptor)
|
|
{
|
|
return GetNativePath(aPersistentDescriptor);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetPersistentDescriptor(const nsACString& aPersistentDescriptor)
|
|
{
|
|
#ifdef MOZ_WIDGET_COCOA
|
|
if (aPersistentDescriptor.IsEmpty()) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
// Support pathnames as user-supplied descriptors if they begin with '/'
|
|
// or '~'. These characters do not collide with the base64 set used for
|
|
// encoding alias records.
|
|
char first = aPersistentDescriptor.First();
|
|
if (first == '/' || first == '~') {
|
|
return InitWithNativePath(aPersistentDescriptor);
|
|
}
|
|
|
|
uint32_t dataSize = aPersistentDescriptor.Length();
|
|
char* decodedData = PL_Base64Decode(
|
|
PromiseFlatCString(aPersistentDescriptor).get(), dataSize, nullptr);
|
|
if (!decodedData) {
|
|
NS_ERROR("SetPersistentDescriptor was given bad data");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Cast to an alias record and resolve.
|
|
AliasRecord aliasHeader = *(AliasPtr)decodedData;
|
|
int32_t aliasSize = ::GetAliasSizeFromPtr(&aliasHeader);
|
|
if (aliasSize > ((int32_t)dataSize * 3) / 4) { // be paranoid about having too few data
|
|
PR_Free(decodedData); // PL_Base64Decode() uses PR_Malloc().
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
// Move the now-decoded data into the Handle.
|
|
// The size of the decoded data is 3/4 the size of the encoded data. See plbase64.h
|
|
Handle newHandle = nullptr;
|
|
if (::PtrToHand(decodedData, &newHandle, aliasSize) != noErr) {
|
|
rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
PR_Free(decodedData); // PL_Base64Decode() uses PR_Malloc().
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
Boolean changed;
|
|
FSRef resolvedFSRef;
|
|
OSErr err = ::FSResolveAlias(nullptr, (AliasHandle)newHandle, &resolvedFSRef,
|
|
&changed);
|
|
|
|
rv = MacErrorMapper(err);
|
|
DisposeHandle(newHandle);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
return InitWithFSRef(&resolvedFSRef);
|
|
#else
|
|
return InitWithNativePath(aPersistentDescriptor);
|
|
#endif
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Reveal()
|
|
{
|
|
#ifdef MOZ_WIDGET_GTK
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
bool isDirectory;
|
|
if (NS_FAILED(IsDirectory(&isDirectory))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (isDirectory) {
|
|
return giovfs->ShowURIForInput(mPath);
|
|
}
|
|
if (NS_SUCCEEDED(giovfs->OrgFreedesktopFileManager1ShowItems(mPath))) {
|
|
return NS_OK;
|
|
}
|
|
nsCOMPtr<nsIFile> parentDir;
|
|
nsAutoCString dirPath;
|
|
if (NS_FAILED(GetParent(getter_AddRefs(parentDir)))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
if (NS_FAILED(parentDir->GetNativePath(dirPath))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return giovfs->ShowURIForInput(dirPath);
|
|
#elif defined(MOZ_WIDGET_COCOA)
|
|
CFURLRef url;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
nsresult rv = CocoaFileUtils::RevealFileInFinder(url);
|
|
::CFRelease(url);
|
|
return rv;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Launch()
|
|
{
|
|
#ifdef MOZ_WIDGET_GTK
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return giovfs->ShowURIForInput(mPath);
|
|
#elif defined(MOZ_WIDGET_ANDROID)
|
|
// Try to get a mimetype, if this fails just use the file uri alone
|
|
nsresult rv;
|
|
nsAutoCString type;
|
|
nsCOMPtr<nsIMIMEService> mimeService(do_GetService("@mozilla.org/mime;1", &rv));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = mimeService->GetTypeFromFile(this, type);
|
|
}
|
|
|
|
nsAutoCString fileUri = NS_LITERAL_CSTRING("file://") + mPath;
|
|
return java::GeckoAppShell::OpenUriExternal(
|
|
NS_ConvertUTF8toUTF16(fileUri),
|
|
NS_ConvertUTF8toUTF16(type),
|
|
EmptyString(),
|
|
EmptyString(),
|
|
EmptyString(),
|
|
EmptyString()) ? NS_OK : NS_ERROR_FAILURE;
|
|
#elif defined(MOZ_WIDGET_COCOA)
|
|
CFURLRef url;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
nsresult rv = CocoaFileUtils::OpenURL(url);
|
|
::CFRelease(url);
|
|
return rv;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
#else
|
|
return NS_ERROR_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
nsresult
|
|
NS_NewNativeLocalFile(const nsACString& aPath, bool aFollowSymlinks,
|
|
nsIFile** aResult)
|
|
{
|
|
RefPtr<nsLocalFile> file = new nsLocalFile();
|
|
|
|
file->SetFollowLinks(aFollowSymlinks);
|
|
|
|
if (!aPath.IsEmpty()) {
|
|
nsresult rv = file->InitWithNativePath(aPath);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
}
|
|
file.forget(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// unicode support
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#define SET_UCS(func, ucsArg) \
|
|
{ \
|
|
nsAutoCString buf; \
|
|
nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \
|
|
if (NS_FAILED(rv)) \
|
|
return rv; \
|
|
return (func)(buf); \
|
|
}
|
|
|
|
#define GET_UCS(func, ucsArg) \
|
|
{ \
|
|
nsAutoCString buf; \
|
|
nsresult rv = (func)(buf); \
|
|
if (NS_FAILED(rv)) return rv; \
|
|
return NS_CopyNativeToUnicode(buf, ucsArg); \
|
|
}
|
|
|
|
#define SET_UCS_2ARGS_2(func, opaqueArg, ucsArg) \
|
|
{ \
|
|
nsAutoCString buf; \
|
|
nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \
|
|
if (NS_FAILED(rv)) \
|
|
return rv; \
|
|
return (func)(opaqueArg, buf); \
|
|
}
|
|
|
|
// Unicode interface Wrapper
|
|
nsresult
|
|
nsLocalFile::InitWithPath(const nsAString& aFilePath)
|
|
{
|
|
SET_UCS(InitWithNativePath, aFilePath);
|
|
}
|
|
nsresult
|
|
nsLocalFile::Append(const nsAString& aNode)
|
|
{
|
|
SET_UCS(AppendNative, aNode);
|
|
}
|
|
nsresult
|
|
nsLocalFile::AppendRelativePath(const nsAString& aNode)
|
|
{
|
|
SET_UCS(AppendRelativeNativePath, aNode);
|
|
}
|
|
nsresult
|
|
nsLocalFile::GetLeafName(nsAString& aLeafName)
|
|
{
|
|
GET_UCS(GetNativeLeafName, aLeafName);
|
|
}
|
|
nsresult
|
|
nsLocalFile::SetLeafName(const nsAString& aLeafName)
|
|
{
|
|
SET_UCS(SetNativeLeafName, aLeafName);
|
|
}
|
|
nsresult
|
|
nsLocalFile::GetPath(nsAString& aResult)
|
|
{
|
|
return NS_CopyNativeToUnicode(mPath, aResult);
|
|
}
|
|
nsresult
|
|
nsLocalFile::CopyTo(nsIFile* aNewParentDir, const nsAString& aNewName)
|
|
{
|
|
SET_UCS_2ARGS_2(CopyToNative , aNewParentDir, aNewName);
|
|
}
|
|
nsresult
|
|
nsLocalFile::CopyToFollowingLinks(nsIFile* aNewParentDir,
|
|
const nsAString& aNewName)
|
|
{
|
|
SET_UCS_2ARGS_2(CopyToFollowingLinksNative , aNewParentDir, aNewName);
|
|
}
|
|
nsresult
|
|
nsLocalFile::MoveTo(nsIFile* aNewParentDir, const nsAString& aNewName)
|
|
{
|
|
SET_UCS_2ARGS_2(MoveToNative, aNewParentDir, aNewName);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::RenameTo(nsIFile* aNewParentDir, const nsAString& aNewName)
|
|
{
|
|
SET_UCS_2ARGS_2(RenameToNative, aNewParentDir, aNewName);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::RenameToNative(nsIFile* aNewParentDir, const nsACString& aNewName)
|
|
{
|
|
nsresult rv;
|
|
|
|
// check to make sure that this has been initialized properly
|
|
CHECK_mPath();
|
|
|
|
// check to make sure that we have a new parent
|
|
nsAutoCString newPathName;
|
|
rv = GetNativeTargetPathName(aNewParentDir, aNewName, newPathName);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// try for atomic rename
|
|
if (rename(mPath.get(), newPathName.get()) < 0) {
|
|
if (errno == EXDEV) {
|
|
rv = NS_ERROR_FILE_ACCESS_DENIED;
|
|
} else {
|
|
rv = NSRESULT_FOR_ERRNO();
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsLocalFile::GetTarget(nsAString& aResult)
|
|
{
|
|
GET_UCS(GetNativeTarget, aResult);
|
|
}
|
|
|
|
// nsIHashable
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::Equals(nsIHashable* aOther, bool* aResult)
|
|
{
|
|
nsCOMPtr<nsIFile> otherFile(do_QueryInterface(aOther));
|
|
if (!otherFile) {
|
|
*aResult = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
return Equals(otherFile, aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetHashCode(uint32_t* aResult)
|
|
{
|
|
*aResult = HashString(mPath);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
NS_NewLocalFile(const nsAString& aPath, bool aFollowLinks, nsIFile** aResult)
|
|
{
|
|
nsAutoCString buf;
|
|
nsresult rv = NS_CopyUnicodeToNative(aPath, buf);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
return NS_NewNativeLocalFile(buf, aFollowLinks, aResult);
|
|
}
|
|
|
|
// nsILocalFileMac
|
|
|
|
#ifdef MOZ_WIDGET_COCOA
|
|
|
|
static nsresult MacErrorMapper(OSErr inErr)
|
|
{
|
|
nsresult outErr;
|
|
|
|
switch (inErr) {
|
|
case noErr:
|
|
outErr = NS_OK;
|
|
break;
|
|
|
|
case fnfErr:
|
|
case afpObjectNotFound:
|
|
case afpDirNotFound:
|
|
outErr = NS_ERROR_FILE_NOT_FOUND;
|
|
break;
|
|
|
|
case dupFNErr:
|
|
case afpObjectExists:
|
|
outErr = NS_ERROR_FILE_ALREADY_EXISTS;
|
|
break;
|
|
|
|
case dskFulErr:
|
|
case afpDiskFull:
|
|
outErr = NS_ERROR_FILE_DISK_FULL;
|
|
break;
|
|
|
|
case fLckdErr:
|
|
case afpVolLocked:
|
|
outErr = NS_ERROR_FILE_IS_LOCKED;
|
|
break;
|
|
|
|
case afpAccessDenied:
|
|
outErr = NS_ERROR_FILE_ACCESS_DENIED;
|
|
break;
|
|
|
|
case afpDirNotEmpty:
|
|
outErr = NS_ERROR_FILE_DIR_NOT_EMPTY;
|
|
break;
|
|
|
|
// Can't find good map for some
|
|
case bdNamErr:
|
|
outErr = NS_ERROR_FAILURE;
|
|
break;
|
|
|
|
default:
|
|
outErr = NS_ERROR_FAILURE;
|
|
break;
|
|
}
|
|
|
|
return outErr;
|
|
}
|
|
|
|
static nsresult CFStringReftoUTF8(CFStringRef aInStrRef, nsACString& aOutStr)
|
|
{
|
|
// first see if the conversion would succeed and find the length of the result
|
|
CFIndex usedBufLen, inStrLen = ::CFStringGetLength(aInStrRef);
|
|
CFIndex charsConverted = ::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen),
|
|
kCFStringEncodingUTF8, 0, false,
|
|
nullptr, 0, &usedBufLen);
|
|
if (charsConverted == inStrLen) {
|
|
// all characters converted, do the actual conversion
|
|
aOutStr.SetLength(usedBufLen);
|
|
if (aOutStr.Length() != (unsigned int)usedBufLen) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
UInt8* buffer = (UInt8*)aOutStr.BeginWriting();
|
|
::CFStringGetBytes(aInStrRef, CFRangeMake(0, inStrLen), kCFStringEncodingUTF8,
|
|
0, false, buffer, usedBufLen, &usedBufLen);
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::InitWithCFURL(CFURLRef aCFURL)
|
|
{
|
|
UInt8 path[PATH_MAX];
|
|
if (::CFURLGetFileSystemRepresentation(aCFURL, true, path, PATH_MAX)) {
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|
nsDependentCString nativePath((char*)path);
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|
return InitWithNativePath(nativePath);
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|
}
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|
|
return NS_ERROR_FAILURE;
|
|
}
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|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::InitWithFSRef(const FSRef* aFSRef)
|
|
{
|
|
if (NS_WARN_IF(!aFSRef)) {
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|
return NS_ERROR_INVALID_ARG;
|
|
}
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|
|
CFURLRef newURLRef = ::CFURLCreateFromFSRef(kCFAllocatorDefault, aFSRef);
|
|
if (newURLRef) {
|
|
nsresult rv = InitWithCFURL(newURLRef);
|
|
::CFRelease(newURLRef);
|
|
return rv;
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetCFURL(CFURLRef* aResult)
|
|
{
|
|
CHECK_mPath();
|
|
|
|
bool isDir;
|
|
IsDirectory(&isDir);
|
|
*aResult = ::CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault,
|
|
(UInt8*)mPath.get(),
|
|
mPath.Length(),
|
|
isDir);
|
|
|
|
return (*aResult ? NS_OK : NS_ERROR_FAILURE);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFSRef(FSRef* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
CFURLRef url = nullptr;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
if (::CFURLGetFSRef(url, aResult)) {
|
|
rv = NS_OK;
|
|
}
|
|
::CFRelease(url);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFSSpec(FSSpec* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
FSRef fsRef;
|
|
nsresult rv = GetFSRef(&fsRef);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoNone, nullptr, nullptr,
|
|
aResult, nullptr);
|
|
return MacErrorMapper(err);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFileSizeWithResFork(int64_t* aFileSizeWithResFork)
|
|
{
|
|
if (NS_WARN_IF(!aFileSizeWithResFork)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
FSRef fsRef;
|
|
nsresult rv = GetFSRef(&fsRef);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
FSCatalogInfo catalogInfo;
|
|
OSErr err = ::FSGetCatalogInfo(&fsRef, kFSCatInfoDataSizes + kFSCatInfoRsrcSizes,
|
|
&catalogInfo, nullptr, nullptr, nullptr);
|
|
if (err != noErr) {
|
|
return MacErrorMapper(err);
|
|
}
|
|
|
|
*aFileSizeWithResFork =
|
|
catalogInfo.dataLogicalSize + catalogInfo.rsrcLogicalSize;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFileType(OSType* aFileType)
|
|
{
|
|
CFURLRef url;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
nsresult rv = CocoaFileUtils::GetFileTypeCode(url, aFileType);
|
|
::CFRelease(url);
|
|
return rv;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetFileType(OSType aFileType)
|
|
{
|
|
CFURLRef url;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
nsresult rv = CocoaFileUtils::SetFileTypeCode(url, aFileType);
|
|
::CFRelease(url);
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|
return rv;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
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|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetFileCreator(OSType* aFileCreator)
|
|
{
|
|
CFURLRef url;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
nsresult rv = CocoaFileUtils::GetFileCreatorCode(url, aFileCreator);
|
|
::CFRelease(url);
|
|
return rv;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::SetFileCreator(OSType aFileCreator)
|
|
{
|
|
CFURLRef url;
|
|
if (NS_SUCCEEDED(GetCFURL(&url))) {
|
|
nsresult rv = CocoaFileUtils::SetFileCreatorCode(url, aFileCreator);
|
|
::CFRelease(url);
|
|
return rv;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::LaunchWithDoc(nsIFile* aDocToLoad, bool aLaunchInBackground)
|
|
{
|
|
bool isExecutable;
|
|
nsresult rv = IsExecutable(&isExecutable);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (!isExecutable) {
|
|
return NS_ERROR_FILE_EXECUTION_FAILED;
|
|
}
|
|
|
|
FSRef appFSRef, docFSRef;
|
|
rv = GetFSRef(&appFSRef);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (aDocToLoad) {
|
|
nsCOMPtr<nsILocalFileMac> macDoc = do_QueryInterface(aDocToLoad);
|
|
rv = macDoc->GetFSRef(&docFSRef);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
LSLaunchFlags theLaunchFlags = kLSLaunchDefaults;
|
|
LSLaunchFSRefSpec thelaunchSpec;
|
|
|
|
if (aLaunchInBackground) {
|
|
theLaunchFlags |= kLSLaunchDontSwitch;
|
|
}
|
|
memset(&thelaunchSpec, 0, sizeof(LSLaunchFSRefSpec));
|
|
|
|
thelaunchSpec.appRef = &appFSRef;
|
|
if (aDocToLoad) {
|
|
thelaunchSpec.numDocs = 1;
|
|
thelaunchSpec.itemRefs = &docFSRef;
|
|
}
|
|
thelaunchSpec.launchFlags = theLaunchFlags;
|
|
|
|
OSErr err = ::LSOpenFromRefSpec(&thelaunchSpec, nullptr);
|
|
if (err != noErr) {
|
|
return MacErrorMapper(err);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::OpenDocWithApp(nsIFile* aAppToOpenWith, bool aLaunchInBackground)
|
|
{
|
|
FSRef docFSRef;
|
|
nsresult rv = GetFSRef(&docFSRef);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (!aAppToOpenWith) {
|
|
OSErr err = ::LSOpenFSRef(&docFSRef, nullptr);
|
|
return MacErrorMapper(err);
|
|
}
|
|
|
|
nsCOMPtr<nsILocalFileMac> appFileMac = do_QueryInterface(aAppToOpenWith, &rv);
|
|
if (!appFileMac) {
|
|
return rv;
|
|
}
|
|
|
|
bool isExecutable;
|
|
rv = appFileMac->IsExecutable(&isExecutable);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (!isExecutable) {
|
|
return NS_ERROR_FILE_EXECUTION_FAILED;
|
|
}
|
|
|
|
FSRef appFSRef;
|
|
rv = appFileMac->GetFSRef(&appFSRef);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
LSLaunchFlags theLaunchFlags = kLSLaunchDefaults;
|
|
LSLaunchFSRefSpec thelaunchSpec;
|
|
|
|
if (aLaunchInBackground) {
|
|
theLaunchFlags |= kLSLaunchDontSwitch;
|
|
}
|
|
memset(&thelaunchSpec, 0, sizeof(LSLaunchFSRefSpec));
|
|
|
|
thelaunchSpec.appRef = &appFSRef;
|
|
thelaunchSpec.numDocs = 1;
|
|
thelaunchSpec.itemRefs = &docFSRef;
|
|
thelaunchSpec.launchFlags = theLaunchFlags;
|
|
|
|
OSErr err = ::LSOpenFromRefSpec(&thelaunchSpec, nullptr);
|
|
if (err != noErr) {
|
|
return MacErrorMapper(err);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::IsPackage(bool* aResult)
|
|
{
|
|
if (NS_WARN_IF(!aResult)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aResult = false;
|
|
|
|
CFURLRef url;
|
|
nsresult rv = GetCFURL(&url);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
LSItemInfoRecord info;
|
|
OSStatus status = ::LSCopyItemInfoForURL(url, kLSRequestBasicFlagsOnly, &info);
|
|
|
|
::CFRelease(url);
|
|
|
|
if (status != noErr) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
*aResult = !!(info.flags & kLSItemInfoIsPackage);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetBundleDisplayName(nsAString& aOutBundleName)
|
|
{
|
|
bool isPackage = false;
|
|
nsresult rv = IsPackage(&isPackage);
|
|
if (NS_FAILED(rv) || !isPackage) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsAutoString name;
|
|
rv = GetLeafName(name);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
int32_t length = name.Length();
|
|
if (Substring(name, length - 4, length).EqualsLiteral(".app")) {
|
|
// 4 characters in ".app"
|
|
aOutBundleName = Substring(name, 0, length - 4);
|
|
} else {
|
|
aOutBundleName = name;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetBundleIdentifier(nsACString& aOutBundleIdentifier)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
CFURLRef urlRef;
|
|
if (NS_SUCCEEDED(GetCFURL(&urlRef))) {
|
|
CFBundleRef bundle = ::CFBundleCreate(nullptr, urlRef);
|
|
if (bundle) {
|
|
CFStringRef bundleIdentifier = ::CFBundleGetIdentifier(bundle);
|
|
if (bundleIdentifier) {
|
|
rv = CFStringReftoUTF8(bundleIdentifier, aOutBundleIdentifier);
|
|
}
|
|
::CFRelease(bundle);
|
|
}
|
|
::CFRelease(urlRef);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsLocalFile::GetBundleContentsLastModifiedTime(int64_t* aLastModTime)
|
|
{
|
|
CHECK_mPath();
|
|
if (NS_WARN_IF(!aLastModTime)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
bool isPackage = false;
|
|
nsresult rv = IsPackage(&isPackage);
|
|
if (NS_FAILED(rv) || !isPackage) {
|
|
return GetLastModifiedTime(aLastModTime);
|
|
}
|
|
|
|
nsAutoCString infoPlistPath(mPath);
|
|
infoPlistPath.AppendLiteral("/Contents/Info.plist");
|
|
PRFileInfo64 info;
|
|
if (PR_GetFileInfo64(infoPlistPath.get(), &info) != PR_SUCCESS) {
|
|
return GetLastModifiedTime(aLastModTime);
|
|
}
|
|
int64_t modTime = int64_t(info.modifyTime);
|
|
if (modTime == 0) {
|
|
*aLastModTime = 0;
|
|
} else {
|
|
*aLastModTime = modTime / int64_t(PR_USEC_PER_MSEC);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP nsLocalFile::InitWithFile(nsIFile* aFile)
|
|
{
|
|
if (NS_WARN_IF(!aFile)) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsAutoCString nativePath;
|
|
nsresult rv = aFile->GetNativePath(nativePath);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
return InitWithNativePath(nativePath);
|
|
}
|
|
|
|
nsresult
|
|
NS_NewLocalFileWithFSRef(const FSRef* aFSRef, bool aFollowLinks,
|
|
nsILocalFileMac** aResult)
|
|
{
|
|
RefPtr<nsLocalFile> file = new nsLocalFile();
|
|
|
|
file->SetFollowLinks(aFollowLinks);
|
|
|
|
nsresult rv = file->InitWithFSRef(aFSRef);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
file.forget(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
NS_NewLocalFileWithCFURL(const CFURLRef aURL, bool aFollowLinks,
|
|
nsILocalFileMac** aResult)
|
|
{
|
|
RefPtr<nsLocalFile> file = new nsLocalFile();
|
|
|
|
file->SetFollowLinks(aFollowLinks);
|
|
|
|
nsresult rv = file->InitWithCFURL(aURL);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
file.forget(aResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
#endif
|