mirror of
https://github.com/hanzoai/go-fuse.git
synced 2026-10-30 14:46:18 +00:00
Lucas ManningandHan-Wen Nienhuys
74347f9cf6
This change is necessary for kernels that don't support openat2. Change-Id: I8f2c0f6cca4599a3139eba98877a2354cdb1d140
21 lines
557 B
Go
21 lines
557 B
Go
package openat
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import (
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"golang.org/x/sys/unix"
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)
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func openatNoSymlinks(dirfd int, path string, flags int, mode uint32) (fd int, err error) {
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how := unix.OpenHow{
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// os/exec expects all fds to have O_CLOEXEC or it will leak them to subprocesses.
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Flags: uint64(flags) | unix.O_CLOEXEC,
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Mode: uint64(mode),
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Resolve: unix.RESOLVE_NO_SYMLINKS,
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}
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fd, err = unix.Openat2(dirfd, path, &how)
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if err != nil && err == unix.ENOSYS {
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flags |= unix.O_NOFOLLOW | unix.O_CLOEXEC
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fd, err = unix.Openat(dirfd, path, flags, mode)
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}
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return fd, err
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}
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