From 5764264382d1487ad0d992dcf090acd15dc3be33 Mon Sep 17 00:00:00 2001
From: Quentin Young <qlyoung@cumulusnetworks.com>
Date: Mon, 18 Nov 2019 16:12:19 -0500
Subject: [PATCH] disable cli commands & checksums

---
 pimd/pim_main.c | 48 ++++++++++++++++++++++++------------------------
 pimd/pim_pim.c  |  4 ++++
 2 files changed, 28 insertions(+), 24 deletions(-)

diff --git a/pimd/pim_main.c b/pimd/pim_main.c
index 544d47fc5e..a000845af4 100644
--- a/pimd/pim_main.c
+++ b/pimd/pim_main.c
@@ -104,33 +104,14 @@ FRR_DAEMON_INFO(pimd, PIM, .vty_port = PIMD_VTY_PORT,
 int main(int argc, char **argv, char **envp)
 {
 	frr_preinit(&pimd_di, argc, argv);
-	frr_opt_add("", longopts, "");
-
-	/* this while just reads the options */
-	while (1) {
-		int opt;
-
-		opt = frr_getopt(argc, argv, NULL);
-
-		if (opt == EOF)
-			break;
-
-		switch (opt) {
-		case 0:
-			break;
-		default:
-			frr_help_exit(1);
-		}
-	}
 
 #ifdef FUZZING
-	pim_router_init();
-	pim_vrf_init();
-	pim_init();
-
 #ifdef __AFL_HAVE_MANUAL_CONTROL
 	__AFL_INIT();
 #endif
+	pim_router_init();
+	pim_vrf_init();
+	//pim_init();
 
 	fseek(stdin, 0, SEEK_END);
 	long fsize = ftell(stdin);
@@ -145,11 +126,30 @@ int main(int argc, char **argv, char **envp)
 	pim_if_new(ifp, true, true, false, false);
 	int result = pim_pim_packet(ifp, packet, fsize);
 
-	/* printf is expensive, skip it for fuzzing */
-	//fprintf(stderr, "parse result: %d\n", result);
 	return result;
 #endif
 
+	frr_opt_add("", longopts, "");
+
+	/* this while just reads the options */
+	while (1) {
+		int opt;
+
+		opt = frr_getopt(argc, argv, NULL);
+
+		if (opt == EOF)
+			break;
+
+		switch (opt) {
+		case 0:
+			break;
+		default:
+			frr_help_exit(1);
+			break;
+		}
+	}
+
+
 	pim_router_init();
 
 	/*
diff --git a/pimd/pim_pim.c b/pimd/pim_pim.c
index 3df7dc41ce..dc16d25dd6 100644
--- a/pimd/pim_pim.c
+++ b/pimd/pim_pim.c
@@ -219,7 +219,9 @@ int pim_pim_packet(struct interface *ifp, uint8_t *buf, size_t len)
 						ifp->name, pim_checksum,
 						checksum);
 
+#ifndef FUZZING
 				return -1;
+#endif
 			}
 		}
 	} else {
@@ -230,7 +232,9 @@ int pim_pim_packet(struct interface *ifp, uint8_t *buf, size_t len)
 					"Ignoring PIM pkt from %s with invalid checksum: received=%x calculated=%x",
 					ifp->name, pim_checksum, checksum);
 
+#ifndef FUZZING
 			return -1;
+#endif
 		}
 	}
 
-- 
2.39.5