yggdrasil-network/yggdrasil-go
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move setuid/setgid into separate functions in platform-dependent files

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This commit is contained in:
Arceliar 2021-07-24 11:12:37 -05:00
parent 70b9274ddc
commit b299d7e36b
3 changed files with 36 additions and 4 deletions
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14
cmd/yggdrasil/main.go
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@ -376,12 +376,18 @@ func run(args yggArgs, ctx context.Context, done chan struct{}) {
// Lower permissions from root to something else, if the user wants to
if syscall.Getuid() == 0 {
if args.rungid > 0 {
fmt.Println("Dropping gid to ", args.rungid)
syscall.Setgid(args.rungid)
logger.Infoln("Setting gid to:", args.rungid)
if err := setgid(args.rungid); err != nil {
logger.Errorln("Failed to set gid:", err)
return
}
}
if args.runuid > 0 {
fmt.Println("Dropping uid to ", args.rungid)
syscall.Setuid(args.runuid)
logger.Infoln("Setting uid to:", args.runuid)
if err := setuid(args.runuid); err != nil {
logger.Errorln("Failed to set uid:", err)
return
}
}
}
logger.Infof("Your public key is %s", hex.EncodeToString(public[:]))