From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 5 Oct 2007 15:18:36 +0000 (+0200)
Subject: fork twice
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=a9e7e329b854169795023bb9643cd932bfe7386b;p=users%2Fdwmw2%2Fcrm114-spamd.git

fork twice
---

diff --git a/crm114-spamd.c b/crm114-spamd.c
index 6237b9f..cdd61ee 100644
--- a/crm114-spamd.c
+++ b/crm114-spamd.c
@@ -107,6 +107,12 @@ int main(int argc, char **argv)
 		ERROR(EX_TEMPFAIL, "user not found");
 	if (setuid(ps->pw_uid))
 		ERROR(EX_TEMPFAIL, "cannot setuid");
+	pid = fork();
+	if (pid < 1)
+		ERROR(EX_TEMPFAIL, "couldn't fork");
+	if (pid)
+		exit(0);
+	setuid(ps->pw_uid);
 
 	/* read content-length line */
 	read_stdin_line(buf, sizeof(buf));