From d1f529f46f957c78a3db73b42c2fcd2d3c9f8a34 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sat, 29 Oct 2005 16:26:32 +0000
Subject: Thanks to John Cummings.

---
 src/cmd/upas/common/become.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 src/cmd/upas/common/become.c

(limited to 'src/cmd/upas/common/become.c')

diff --git a/src/cmd/upas/common/become.c b/src/cmd/upas/common/become.c
new file mode 100644
index 00000000..1b5aa456
--- /dev/null
+++ b/src/cmd/upas/common/become.c
@@ -0,0 +1,28 @@
+#include "common.h"
+#include <auth.h>
+#include <ndb.h>
+
+/*
+ *  become powerless user
+ */
+int
+become(char **cmd, char *who)
+{
+	int fd;
+
+	USED(cmd);
+	if(strcmp(who, "none") == 0) {
+		fd = open("#c/user", OWRITE);
+		if(fd < 0 || write(fd, "none", strlen("none")) < 0) {
+			werrstr("can't become none");
+			return -1;
+		}
+		close(fd);
+		// jpc if(newns("none", 0)) {
+		// jpc 	werrstr("can't set new namespace");
+		// jpc	return -1;
+		// jpc }
+	}
+	return 0;
+}
+
-- 
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