catch EOFs during table_proc handshake

while here also do a s/fatalx/fatal since getline() sets errno on
failure.

ok millert@, gilles@

diff --git a/usr.sbin/smtpd/table_proc.c b/usr.sbin/smtpd/table_proc.c
index 07cabf0..f21fd2b 100644 (file)
--- a/usr.sbin/smtpd/table_proc.c
+++ b/usr.sbin/smtpd/table_proc.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: table_proc.c,v 1.20 2024/05/22 08:41:02 op Exp $      */
+/*     $OpenBSD: table_proc.c,v 1.21 2024/05/23 17:05:45 op Exp $      */
 
 /*
  * Copyright (c) 2024 Omar Polo <op@openbsd.org>
@@ -166,8 +166,9 @@ table_proc_open(struct table *table)
        }
 
        if (ferror(priv->in))
-               fatalx("table-proc: getline");
-
+               fatal("table-proc: getline");
+       if (feof(priv->in))
+               fatalx("table-proc: unexpected EOF during handshake");
        if (services == 0)
                fatalx("table-proc: no services registered");