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Only call setgroups as root 

setgroups fails when already running as a user.
This commit is contained in:
C. McEnroe 2020-08-16 22:20:14 -04:00
parent daac7db044
commit f9cfab1e0d
1 changed files with 4 additions and 2 deletions
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6
service.c
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@ -187,8 +187,10 @@ void serviceStart(struct Service *service) {
error = setgid(serviceGID); error = setgid(serviceGID);
if (error) err(ExitNoExec, "setgid"); if (error) err(ExitNoExec, "setgid");
error = setgroups(1, &serviceGID); if (!getuid()) {
if (error) err(ExitNoExec, "setgroups"); error = setgroups(1, &serviceGID);
if (error) err(ExitNoExec, "setgroups");
}
error = setuid(serviceUID); error = setuid(serviceUID);
if (error) err(ExitNoExec, "setuid"); if (error) err(ExitNoExec, "setuid");