48c44c29ab
Updates #2763. Squashed commit of the following: commit bd2077c6569b53ae341a58aa73de6063d7037e8e Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Jun 4 16:25:17 2021 +0300 all: move rlimit_nofile, imp docs commit ba95d4ab7c722bf83300d626a598aface37539ad Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Jun 4 15:12:23 2021 +0300 all: support setgid, setuid on unix
51 lines
884 B
Go
51 lines
884 B
Go
// +build darwin freebsd linux netbsd openbsd
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//go:build darwin || freebsd || linux || netbsd || openbsd
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package aghos
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import (
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"fmt"
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"os/user"
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"strconv"
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"syscall"
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)
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func setGroup(groupName string) (err error) {
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g, err := user.LookupGroup(groupName)
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if err != nil {
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return fmt.Errorf("looking up group: %w", err)
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}
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gid, err := strconv.Atoi(g.Gid)
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if err != nil {
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return fmt.Errorf("parsing gid: %w", err)
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}
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err = syscall.Setgid(gid)
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if err != nil {
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return fmt.Errorf("setting gid: %w", err)
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}
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return nil
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}
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func setUser(userName string) (err error) {
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u, err := user.Lookup(userName)
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if err != nil {
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return fmt.Errorf("looking up user: %w", err)
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}
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uid, err := strconv.Atoi(u.Uid)
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if err != nil {
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return fmt.Errorf("parsing uid: %w", err)
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}
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err = syscall.Setuid(uid)
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if err != nil {
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return fmt.Errorf("setting uid: %w", err)
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}
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return nil
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}
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