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Add more virtual filesystems to mount on boot

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This commit is contained in:
EnumDev 2025-02-28 18:47:10 +02:00
parent d131c55351
commit c639daca5a
1 changed files with 34 additions and 1 deletions
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35
cmd/enit/main.go
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@ -55,10 +55,43 @@ func main() {
func mountVirtualFilesystems() {
fmt.Print("Mounting virtual filesystems... ")
commonFlags := uintptr(0 | syscall.MS_NOSUID | syscall.MS_RELATIME)
// Mount /proc
if err := syscall.Mount("proc", "/proc", "proc", commonFlags|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_REMOUNT, ""); err != nil {
panic(err)
}
// Mount /sys
if err := syscall.Mount("sys", "/sys", "sysfs", commonFlags|syscall.MS_NODEV|syscall.MS_NOEXEC|syscall.MS_REMOUNT, ""); err != nil {
panic(err)
}
// Mount /dev
if err := syscall.Mount("dev", "/dev", "devtmpfs", commonFlags|syscall.MS_REMOUNT, "mode=755,inode64"); err != nil {
panic(err)
}
// Mount /run
if err := syscall.Mount("run", "/run", "tmpfs", commonFlags|syscall.MS_NODEV|syscall.MS_REMOUNT, "mode=755,inode64"); err != nil {
panic(err)
}
// Mount /dev/pts
if err := os.Mkdir("/dev/pts", 0755); err != nil {
panic(err)
}
if err := syscall.Mount("none", "/dev/pts", "devpts", syscall.MS_NOSUID|syscall.MS_NOEXEC, ""); err != nil {
if err := syscall.Mount("devpts", "/dev/pts", "devpts", commonFlags, "gid=5,mode=620,ptmxmode=000"); err != nil {
panic(err)
}
// Mount /dev/shm
if err := os.Mkdir("/dev/shm", 0755); err != nil {
panic(err)
}
if err := syscall.Mount("shm", "/dev/shm", "tmpfs", commonFlags|syscall.MS_NODEV, "inode64"); err != nil {
panic(err)
}
// Mount securityfs
if err := syscall.Mount("securityfs", "/sys/kernel/security", "securityfs", commonFlags, ""); err != nil {
panic(err)
}
// Mount cgroups v2
if err := syscall.Mount("cgroup2", "/sys/fs/cgroup", "cgroup2", commonFlags|syscall.MS_NOEXEC, ""); err != nil {
panic(err)
}