Publish file mode conversion functions

master
Vitaliy Filippov 3 months ago
parent 76071bba22
commit c02e24f8ce
  1. 71
      conversions.go

@ -89,7 +89,7 @@ func convertInMessage(
}
if valid&fusekernel.SetattrMode != 0 {
mode := convertFileMode(in.Mode)
mode := ConvertFileMode(in.Mode)
to.Mode = &mode
}
@ -170,7 +170,7 @@ func convertInMessage(
// the fact that this is a directory is implicit in the fact that the
// opcode is mkdir. But we want the correct mode to go through, so ensure
// that os.ModeDir is set.
Mode: convertFileMode(in.Mode) | os.ModeDir,
Mode: ConvertFileMode(in.Mode) | os.ModeDir,
OpContext: fuseops.OpContext{Pid: inMsg.Header().Pid},
}
@ -190,7 +190,7 @@ func convertInMessage(
o = &fuseops.MkNodeOp{
Parent: fuseops.InodeID(inMsg.Header().Nodeid),
Name: string(name),
Mode: convertFileMode(in.Mode),
Mode: ConvertFileMode(in.Mode),
Rdev: in.Rdev,
OpContext: fuseops.OpContext{Pid: inMsg.Header().Pid},
}
@ -211,7 +211,7 @@ func convertInMessage(
o = &fuseops.CreateFileOp{
Parent: fuseops.InodeID(inMsg.Header().Nodeid),
Name: string(name),
Mode: convertFileMode(in.Mode),
Mode: ConvertFileMode(in.Mode),
OpContext: fuseops.OpContext{Pid: inMsg.Header().Pid},
}
@ -898,34 +898,7 @@ func convertAttributes(
out.Blocks = (in.Size + 512 - 1) / 512
// Set the mode.
out.Mode = uint32(in.Mode) & 0777
switch {
default:
out.Mode |= syscall.S_IFREG
case in.Mode&os.ModeDir != 0:
out.Mode |= syscall.S_IFDIR
case in.Mode&os.ModeDevice != 0:
if in.Mode&os.ModeCharDevice != 0 {
out.Mode |= syscall.S_IFCHR
} else {
out.Mode |= syscall.S_IFBLK
}
case in.Mode&os.ModeNamedPipe != 0:
out.Mode |= syscall.S_IFIFO
case in.Mode&os.ModeSymlink != 0:
out.Mode |= syscall.S_IFLNK
case in.Mode&os.ModeSocket != 0:
out.Mode |= syscall.S_IFSOCK
}
if in.Mode&os.ModeSetuid != 0 {
out.Mode |= syscall.S_ISUID
}
if in.Mode&os.ModeSetgid != 0 {
out.Mode |= syscall.S_ISGID
}
if in.Mode&os.ModeSticky != 0 {
out.Mode |= syscall.S_ISVTX
}
out.Mode = ConvertGolangMode(in.Mode)
if out.Mode & (syscall.S_IFCHR | syscall.S_IFBLK) != 0 {
out.Rdev = in.Rdev
@ -959,7 +932,7 @@ func convertChildInodeEntry(
convertAttributes(in.Child, &in.Attributes, &out.Attr)
}
func convertFileMode(unixMode uint32) os.FileMode {
func ConvertFileMode(unixMode uint32) os.FileMode {
mode := os.FileMode(unixMode & 0777)
switch unixMode & syscall.S_IFMT {
case syscall.S_IFREG:
@ -992,6 +965,38 @@ func convertFileMode(unixMode uint32) os.FileMode {
return mode
}
func ConvertGolangMode(inMode os.FileMode) uint32 {
outMode := uint32(inMode) & 0777
switch {
default:
outMode |= syscall.S_IFREG
case inMode&os.ModeDir != 0:
outMode |= syscall.S_IFDIR
case inMode&os.ModeDevice != 0:
if inMode&os.ModeCharDevice != 0 {
outMode |= syscall.S_IFCHR
} else {
outMode |= syscall.S_IFBLK
}
case inMode&os.ModeNamedPipe != 0:
outMode |= syscall.S_IFIFO
case inMode&os.ModeSymlink != 0:
outMode |= syscall.S_IFLNK
case inMode&os.ModeSocket != 0:
outMode |= syscall.S_IFSOCK
}
if inMode&os.ModeSetuid != 0 {
outMode |= syscall.S_ISUID
}
if inMode&os.ModeSetgid != 0 {
outMode |= syscall.S_ISGID
}
if inMode&os.ModeSticky != 0 {
outMode |= syscall.S_ISVTX
}
return outMode
}
func writeXattrSize(m *buffer.OutMessage, size uint32) {
out := (*fusekernel.GetxattrOut)(m.Grow(int(unsafe.Sizeof(fusekernel.GetxattrOut{}))))
out.Size = size

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