From 1b5ecd9eaf3289d164d8ed1bce6013e0e4ef8e86 Mon Sep 17 00:00:00 2001 From: Ophestra Date: Thu, 3 Jul 2025 02:59:43 +0900 Subject: container: move out of toplevel This allows slightly easier use of the vanity url. This also provides some disambiguation between low level containers and hakurei app containers. Signed-off-by: Ophestra --- sysctl.go | 47 ----------------------------------------------- 1 file changed, 47 deletions(-) delete mode 100644 sysctl.go (limited to 'sysctl.go') diff --git a/sysctl.go b/sysctl.go deleted file mode 100644 index aa74da42..00000000 --- a/sysctl.go +++ /dev/null @@ -1,47 +0,0 @@ -package hakurei - -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) } -- cgit v1.3.1