hakurei: move container toplevel

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 0 insertions, 47 deletions

diff --git a/sandbox/sysctl.go b/sandbox/sysctl.go
deleted file mode 100644
index 22046b65..00000000
--- a/sandbox/sysctl.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package sandbox
-
-import (
-	"bytes"
-	"log"
-	"os"
-	"strconv"
-	"sync"
-)
-
-var (
-	kernelOverflowuid int
-	kernelOverflowgid int
-	kernelCapLastCap  int
-
-	sysctlOnce sync.Once
-)
-
-const (
-	kernelOverflowuidPath = "/proc/sys/kernel/overflowuid"
-	kernelOverflowgidPath = "/proc/sys/kernel/overflowgid"
-	kernelCapLastCapPath  = "/proc/sys/kernel/cap_last_cap"
-)
-
-func mustReadSysctl() {
-	if v, err := os.ReadFile(kernelOverflowuidPath); err != nil {
-		log.Fatalf("cannot read %q: %v", kernelOverflowuidPath, err)
-	} else if kernelOverflowuid, err = strconv.Atoi(string(bytes.TrimSpace(v))); err != nil {
-		log.Fatalf("cannot interpret %q: %v", kernelOverflowuidPath, err)
-	}
-
-	if v, err := os.ReadFile(kernelOverflowgidPath); err != nil {
-		log.Fatalf("cannot read %q: %v", kernelOverflowgidPath, err)
-	} else if kernelOverflowgid, err = strconv.Atoi(string(bytes.TrimSpace(v))); err != nil {
-		log.Fatalf("cannot interpret %q: %v", kernelOverflowgidPath, err)
-	}
-
-	if v, err := os.ReadFile(kernelCapLastCapPath); err != nil {
-		log.Fatalf("cannot read %q: %v", kernelCapLastCapPath, err)
-	} else if kernelCapLastCap, err = strconv.Atoi(string(bytes.TrimSpace(v))); err != nil {
-		log.Fatalf("cannot interpret %q: %v", kernelCapLastCapPath, err)
-	}
-}
-
-func OverflowUid() int { sysctlOnce.Do(mustReadSysctl); return kernelOverflowuid }
-func OverflowGid() int { sysctlOnce.Do(mustReadSysctl); return kernelOverflowgid }
-func LastCap() uintptr { sysctlOnce.Do(mustReadSysctl); return uintptr(kernelCapLastCap) }