From f9f3afba9754829f8a22ecfea8d3f1c0c8d23bff Mon Sep 17 00:00:00 2001
From: Eivind Eklund <eivind@FreeBSD.org>
Date: Sat, 6 Nov 1999 20:21:04 +0000
Subject: Flag empty UID entries as errors (to stop typos from turning into
 alternate root accounts).

---
 libc/gen/pw_scan.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'libc')

diff --git a/libc/gen/pw_scan.c b/libc/gen/pw_scan.c
index 5190686..0ce9b1d 100644
--- a/libc/gen/pw_scan.c
+++ b/libc/gen/pw_scan.c
@@ -78,7 +78,12 @@ pw_scan(bp, pw)
 
 	if (!(p = strsep(&bp, ":")))			/* uid */
 		goto fmt;
-	if(p[0]) pw->pw_fields |= _PWF_UID;
+	if (p[0])
+		pw->pw_fields |= _PWF_UID;
+	else {
+		warnx("no uid for user %s", pw->pw_name);
+		return (0);
+	}
 	id = atol(p);
 	if (root && id) {
 		warnx("root uid should be 0");
-- 
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