diff options
Diffstat (limited to 'internal/fusefrontend/file.go')
-rw-r--r-- | internal/fusefrontend/file.go | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/internal/fusefrontend/file.go b/internal/fusefrontend/file.go index 96a07fc..7f25172 100644 --- a/internal/fusefrontend/file.go +++ b/internal/fusefrontend/file.go @@ -16,7 +16,7 @@ import ( "github.com/hanwen/go-fuse/fuse/nodefs" "github.com/rfjakob/gocryptfs/internal/contentenc" - "github.com/rfjakob/gocryptfs/internal/toggledlog" + "github.com/rfjakob/gocryptfs/internal/tlog" ) // File - based on loopbackFile in go-fuse/fuse/nodefs/files.go @@ -50,7 +50,7 @@ func NewFile(fd *os.File, writeOnly bool, contentEnc *contentenc.ContentEnc) (no var st syscall.Stat_t err := syscall.Fstat(int(fd.Fd()), &st) if err != nil { - toggledlog.Warn.Printf("NewFile: Fstat on fd %d failed: %v\n", fd.Fd(), err) + tlog.Warn.Printf("NewFile: Fstat on fd %d failed: %v\n", fd.Fd(), err) return nil, fuse.ToStatus(err) } wlock.register(st.Ino) @@ -102,7 +102,7 @@ func (f *file) createHeader() error { // Prevent partially written (=corrupt) header by preallocating the space beforehand err := prealloc(int(f.fd.Fd()), 0, contentenc.HEADER_LEN) if err != nil { - toggledlog.Warn.Printf("ino%d: createHeader: prealloc failed: %s\n", f.ino, err.Error()) + tlog.Warn.Printf("ino%d: createHeader: prealloc failed: %s\n", f.ino, err.Error()) return err } @@ -145,18 +145,18 @@ func (f *file) doRead(off uint64, length uint64) ([]byte, fuse.Status) { blocks := f.contentEnc.ExplodePlainRange(off, length) alignedOffset, alignedLength := blocks[0].JointCiphertextRange(blocks) skip := blocks[0].Skip - toggledlog.Debug.Printf("JointCiphertextRange(%d, %d) -> %d, %d, %d", off, length, alignedOffset, alignedLength, skip) + tlog.Debug.Printf("JointCiphertextRange(%d, %d) -> %d, %d, %d", off, length, alignedOffset, alignedLength, skip) ciphertext := make([]byte, int(alignedLength)) n, err := f.fd.ReadAt(ciphertext, int64(alignedOffset)) if err != nil && err != io.EOF { - toggledlog.Warn.Printf("read: ReadAt: %s", err.Error()) + tlog.Warn.Printf("read: ReadAt: %s", err.Error()) return nil, fuse.ToStatus(err) } // Truncate ciphertext buffer down to actually read bytes ciphertext = ciphertext[0:n] firstBlockNo := blocks[0].BlockNo - toggledlog.Debug.Printf("ReadAt offset=%d bytes (%d blocks), want=%d, got=%d", alignedOffset, firstBlockNo, alignedLength, n) + tlog.Debug.Printf("ReadAt offset=%d bytes (%d blocks), want=%d, got=%d", alignedOffset, firstBlockNo, alignedLength, n) // Decrypt it plaintext, err := f.contentEnc.DecryptBlocks(ciphertext, firstBlockNo, f.header.Id) @@ -164,7 +164,7 @@ func (f *file) doRead(off uint64, length uint64) ([]byte, fuse.Status) { curruptBlockNo := firstBlockNo + f.contentEnc.PlainOffToBlockNo(uint64(len(plaintext))) cipherOff := f.contentEnc.BlockNoToCipherOff(curruptBlockNo) plainOff := f.contentEnc.BlockNoToPlainOff(curruptBlockNo) - toggledlog.Warn.Printf("ino%d: doRead: corrupt block #%d (plainOff=%d, cipherOff=%d)", + tlog.Warn.Printf("ino%d: doRead: corrupt block #%d (plainOff=%d, cipherOff=%d)", f.ino, curruptBlockNo, plainOff, cipherOff) return nil, fuse.EIO } @@ -188,23 +188,23 @@ func (f *file) Read(buf []byte, off int64) (resultData fuse.ReadResult, code fus f.fdLock.RLock() defer f.fdLock.RUnlock() - toggledlog.Debug.Printf("ino%d: FUSE Read: offset=%d length=%d", f.ino, len(buf), off) + tlog.Debug.Printf("ino%d: FUSE Read: offset=%d length=%d", f.ino, len(buf), off) if f.writeOnly { - toggledlog.Warn.Printf("ino%d: Tried to read from write-only file", f.ino) + tlog.Warn.Printf("ino%d: Tried to read from write-only file", f.ino) return nil, fuse.EBADF } out, status := f.doRead(uint64(off), uint64(len(buf))) if status == fuse.EIO { - toggledlog.Warn.Printf("ino%d: Read failed with EIO, offset=%d, length=%d", f.ino, len(buf), off) + tlog.Warn.Printf("ino%d: Read failed with EIO, offset=%d, length=%d", f.ino, len(buf), off) } if status != fuse.OK { return nil, status } - toggledlog.Debug.Printf("ino%d: Read: status %v, returning %d bytes", f.ino, status, len(out)) + tlog.Debug.Printf("ino%d: Read: status %v, returning %d bytes", f.ino, status, len(out)) return fuse.ReadResultData(out), status } @@ -246,24 +246,24 @@ func (f *file) doWrite(data []byte, off int64) (uint32, fuse.Status) { var oldData []byte oldData, status = f.doRead(o, f.contentEnc.PlainBS()) if status != fuse.OK { - toggledlog.Warn.Printf("ino%d fh%d: RMW read failed: %s", f.ino, f.intFd(), status.String()) + tlog.Warn.Printf("ino%d fh%d: RMW read failed: %s", f.ino, f.intFd(), status.String()) return written, status } // Modify blockData = f.contentEnc.MergeBlocks(oldData, blockData, int(b.Skip)) - toggledlog.Debug.Printf("len(oldData)=%d len(blockData)=%d", len(oldData), len(blockData)) + tlog.Debug.Printf("len(oldData)=%d len(blockData)=%d", len(oldData), len(blockData)) } // Encrypt blockOffset, blockLen := b.CiphertextRange() blockData = f.contentEnc.EncryptBlock(blockData, b.BlockNo, f.header.Id) - toggledlog.Debug.Printf("ino%d: Writing %d bytes to block #%d", + tlog.Debug.Printf("ino%d: Writing %d bytes to block #%d", f.ino, uint64(len(blockData))-f.contentEnc.BlockOverhead(), b.BlockNo) // Prevent partially written (=corrupt) blocks by preallocating the space beforehand err := prealloc(int(f.fd.Fd()), int64(blockOffset), int64(blockLen)) if err != nil { - toggledlog.Warn.Printf("ino%d fh%d: doWrite: prealloc failed: %s", f.ino, f.intFd(), err.Error()) + tlog.Warn.Printf("ino%d fh%d: doWrite: prealloc failed: %s", f.ino, f.intFd(), err.Error()) status = fuse.ToStatus(err) break } @@ -272,7 +272,7 @@ func (f *file) doWrite(data []byte, off int64) (uint32, fuse.Status) { _, err = f.fd.WriteAt(blockData, int64(blockOffset)) if err != nil { - toggledlog.Warn.Printf("doWrite: Write failed: %s", err.Error()) + tlog.Warn.Printf("doWrite: Write failed: %s", err.Error()) status = fuse.ToStatus(err) break } @@ -289,24 +289,24 @@ func (f *file) Write(data []byte, off int64) (uint32, fuse.Status) { // The file descriptor has been closed concurrently, which also means // the wlock has been freed. Exit here so we don't crash trying to access // it. - toggledlog.Warn.Printf("ino%d fh%d: Write on released file", f.ino, f.intFd()) + tlog.Warn.Printf("ino%d fh%d: Write on released file", f.ino, f.intFd()) return 0, fuse.EBADF } wlock.lock(f.ino) defer wlock.unlock(f.ino) - toggledlog.Debug.Printf("ino%d: FUSE Write: offset=%d length=%d", f.ino, off, len(data)) + tlog.Debug.Printf("ino%d: FUSE Write: offset=%d length=%d", f.ino, off, len(data)) fi, err := f.fd.Stat() if err != nil { - toggledlog.Warn.Printf("Write: Fstat failed: %v", err) + tlog.Warn.Printf("Write: Fstat failed: %v", err) return 0, fuse.ToStatus(err) } plainSize := f.contentEnc.CipherSizeToPlainSize(uint64(fi.Size())) if f.createsHole(plainSize, off) { status := f.zeroPad(plainSize) if status != fuse.OK { - toggledlog.Warn.Printf("zeroPad returned error %v", status) + tlog.Warn.Printf("zeroPad returned error %v", status) return 0, status } } @@ -356,7 +356,7 @@ func (f *file) Truncate(newSize uint64) fuse.Status { defer f.fdLock.RUnlock() if f.released { // The file descriptor has been closed concurrently. - toggledlog.Warn.Printf("ino%d fh%d: Truncate on released file", f.ino, f.intFd()) + tlog.Warn.Printf("ino%d fh%d: Truncate on released file", f.ino, f.intFd()) return fuse.EBADF } wlock.lock(f.ino) @@ -367,7 +367,7 @@ func (f *file) Truncate(newSize uint64) fuse.Status { if newSize == 0 { err = syscall.Ftruncate(int(f.fd.Fd()), 0) if err != nil { - toggledlog.Warn.Printf("ino%d fh%d: Ftruncate(fd, 0) returned error: %v", f.ino, f.intFd(), err) + tlog.Warn.Printf("ino%d fh%d: Ftruncate(fd, 0) returned error: %v", f.ino, f.intFd(), err) return fuse.ToStatus(err) } // Truncate to zero kills the file header @@ -379,14 +379,14 @@ func (f *file) Truncate(newSize uint64) fuse.Status { // the file fi, err := f.fd.Stat() if err != nil { - toggledlog.Warn.Printf("ino%d fh%d: Truncate: Fstat failed: %v", f.ino, f.intFd(), err) + tlog.Warn.Printf("ino%d fh%d: Truncate: Fstat failed: %v", f.ino, f.intFd(), err) return fuse.ToStatus(err) } oldSize := f.contentEnc.CipherSizeToPlainSize(uint64(fi.Size())) { oldB := float32(oldSize) / float32(f.contentEnc.PlainBS()) newB := float32(newSize) / float32(f.contentEnc.PlainBS()) - toggledlog.Debug.Printf("ino%d: FUSE Truncate from %.2f to %.2f blocks (%d to %d bytes)", f.ino, oldB, newB, oldSize, newSize) + tlog.Debug.Printf("ino%d: FUSE Truncate from %.2f to %.2f blocks (%d to %d bytes)", f.ino, oldB, newB, oldSize, newSize) } // File size stays the same - nothing to do @@ -419,7 +419,7 @@ func (f *file) Truncate(newSize uint64) fuse.Status { off, length := b.CiphertextRange() err = syscall.Ftruncate(int(f.fd.Fd()), int64(off+length)) if err != nil { - toggledlog.Warn.Printf("grow Ftruncate returned error: %v", err) + tlog.Warn.Printf("grow Ftruncate returned error: %v", err) return fuse.ToStatus(err) } } @@ -436,14 +436,14 @@ func (f *file) Truncate(newSize uint64) fuse.Status { var status fuse.Status data, status = f.doRead(plainOff, lastBlockLen) if status != fuse.OK { - toggledlog.Warn.Printf("shrink doRead returned error: %v", err) + tlog.Warn.Printf("shrink doRead returned error: %v", err) return status } } // Truncate down to last complete block err = syscall.Ftruncate(int(f.fd.Fd()), int64(cipherOff)) if err != nil { - toggledlog.Warn.Printf("shrink Ftruncate returned error: %v", err) + tlog.Warn.Printf("shrink Ftruncate returned error: %v", err) return fuse.ToStatus(err) } // Append partial block @@ -473,7 +473,7 @@ func (f *file) GetAttr(a *fuse.Attr) fuse.Status { f.fdLock.RLock() defer f.fdLock.RUnlock() - toggledlog.Debug.Printf("file.GetAttr()") + tlog.Debug.Printf("file.GetAttr()") st := syscall.Stat_t{} err := syscall.Fstat(int(f.fd.Fd()), &st) if err != nil { @@ -491,7 +491,7 @@ var allocateWarnOnce sync.Once // Allocate - FUSE call, fallocate(2) func (f *file) Allocate(off uint64, sz uint64, mode uint32) fuse.Status { allocateWarnOnce.Do(func() { - toggledlog.Warn.Printf("fallocate(2) is not supported, returning ENOSYS - see https://github.com/rfjakob/gocryptfs/issues/1") + tlog.Warn.Printf("fallocate(2) is not supported, returning ENOSYS - see https://github.com/rfjakob/gocryptfs/issues/1") }) return fuse.ENOSYS } @@ -519,7 +519,7 @@ func (f *file) Utimens(a *time.Time, m *time.Time) fuse.Status { fn := fmt.Sprintf("/proc/self/fd/%d", f.fd.Fd()) err := syscall.UtimesNano(fn, ts) if err != nil { - toggledlog.Debug.Printf("UtimesNano on %q failed: %v", fn, err) + tlog.Debug.Printf("UtimesNano on %q failed: %v", fn, err) } if err == syscall.ENOENT { // If /proc/self/fd/X did not exist, the actual error is that the file |