o Move NEED1 macro to the top of the source file.

o Add sanity checking to the firewall delete operation
  which tells the user that a firewall rule
  specification is required.

The previous behaviour was to exit without reporting any
errors to the user.

Approved by:	bmilekic (mentor)

1 files changed, 6 insertions, 6 deletions

diff --git a/sbin/ipfw/ipfw2.c b/sbin/ipfw/ipfw2.c
index e3108ff..b2e4d10 100644
--- a/sbin/ipfw/ipfw2.c
+++ b/sbin/ipfw/ipfw2.c
@@ -70,6 +70,11 @@ int
 		verbose;
 
 #define	IP_MASK_ALL	0xffffffff
+/*
+ * the following macro returns an error message if we run out of
+ * arguments.
+ */
+#define NEED1(msg)      {if (!ac) errx(EX_USAGE, msg);}
 
 /*
  * _s_x is a structure that stores a string <-> token pairs, used in
@@ -2122,6 +2127,7 @@ delete(int ac, char *av[])
 	memset(&p, 0, sizeof p);
 
 	av++; ac--;
+	NEED1("missing rule specification");
 	if (ac > 0 && !strncmp(*av, "set", strlen(*av))) {
 		do_set = 1;	/* delete set */
 		ac--; av++;
@@ -2179,12 +2185,6 @@ fill_iface(ipfw_insn_if *cmd, char *arg)
 		errx(EX_DATAERR, "bad ip address ``%s''", arg);
 }
 
-/*
- * the following macro returns an error message if we run out of
- * arguments.
- */
-#define	NEED1(msg)	{if (!ac) errx(EX_USAGE, msg);}
-
 static void
 config_pipe(int ac, char **av)
 {