From: Stephen Worley <sworley@cumulusnetworks.com>
Date: Thu, 26 Jul 2018 18:30:04 +0000 (-0400)
Subject: zebra: Make fuzzer code use default netlink socket
X-Git-Tag: frr-6.1-dev~121^2~1
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=ef593eff0084285280e754c4866eb1bec1e67008;p=matthieu%2Ffrr.git

zebra: Make fuzzer code use default netlink socket

Change the fuzzing code so that it fakes data from
the listening socket rather than using its own pseudo one.

Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
---

diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c
index 4d1991f09f..483aab0278 100644
--- a/zebra/kernel_netlink.c
+++ b/zebra/kernel_netlink.c
@@ -318,16 +318,9 @@ void netlink_read_init(const char *fname)
 {
 	snprintf(netlink_fuzz_file, MAXPATHLEN, "%s", fname);
 	/* Creating this fake socket for testing purposes */
-	struct zebra_ns zns = {
-		.ns_id = 0,
-		.netlink_cmd = {.sock = -1,
-				.seq = -1,
-				.name = "fuzzer_command_channel"},
-		.netlink = {.sock = -1,
-			    .seq = -1,
-			    .name = "fuzzer_kernel_message"}
-	};
-	netlink_parse_info(netlink_information_fetch, &zns.netlink, &zns, 1, 0);
+	struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT);
+
+	netlink_parse_info(netlink_information_fetch, &zns->netlink, zns, 1, 0);
 }
 
 /**
@@ -371,7 +364,7 @@ static long netlink_read_file(char *buf, const char *fname)
 		fseek(f, 0, SEEK_END);
 		file_bytes = ftell(f);
 		rewind(f);
-		fread(buf, file_bytes, 1, f);
+		fread(buf, NL_RCV_PKT_BUF_SIZE, 1, f);
 		fclose(f);
 	}
 	zserv_privs.change(ZPRIVS_LOWER);