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micro optimization for external process wrapping

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Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2024-04-16 18:34:40 +02:00
parent 2bbd8b3a5f
commit d8341509e7
4 changed files with 28 additions and 22 deletions
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7
internal/sftpd/cmd_unix.go
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@@ -23,8 +23,13 @@ import (
"syscall"
)
var (
processUID = os.Geteuid()
processGID = os.Getegid()
)
func wrapCmd(cmd *exec.Cmd, uid, gid int) *exec.Cmd {
isCurrentUser := os.Getuid() == uid && os.Getgid() == gid
isCurrentUser := processUID == uid && processGID == gid
if (uid > 0 || gid > 0) && !isCurrentUser {
cmd.SysProcAttr = &syscall.SysProcAttr{}
cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}