Imported Debian patch 8.9.3-3slink1debian/8.9.3-3slink1

1 files changed, 12 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index cea9d15..d1c7186 100644
--- a/src/main.c
+++ b/src/main.c
@@ -984,6 +984,18 @@ main(argc, argv, envp)
 		usrerr("Permission denied");
 		finis(FALSE, EX_USAGE);
 	}
+	if (OpMode == MD_INITALIAS &&
+			RealUid != 0 &&
+			RealUid != TrustedUid &&
+			!wordinclass(RealUserName, 't'))
+	{
+		if (LogLevel > 1)
+			sm_syslog(LOG_ALERT, NOQID,
+					"user %d attempted to rebuild the alias map",
+					RealUid);
+		usrerr("Permission denied");
+		finis(FALSE, EX_USAGE);
+	}
 
 	if (MeToo)
 		BlankEnvelope.e_flags |= EF_METOO;