From: Nick Porter <nick@portercomputing.co.uk>
Date: Fri, 20 Sep 2024 12:47:17 +0000 (+0100)
Subject: Add support for Linux SLL2 link type to radsniff
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d2391352ad2a02e584b148997910f96de7272cc;p=thirdparty%2Ffreeradius-server.git

Add support for Linux SLL2 link type to radsniff
---

diff --git a/src/lib/util/pcap.c b/src/lib/util/pcap.c
index f73b5e5cece..fe96c4ef98b 100644
--- a/src/lib/util/pcap.c
+++ b/src/lib/util/pcap.c
@@ -485,6 +485,9 @@ bool fr_pcap_link_layer_supported(int link_layer)
 	case DLT_LOOP:
 #ifdef DLT_LINUX_SLL
 	case DLT_LINUX_SLL:
+#endif
+#ifdef DLT_LINUX_SLL2
+	case DLT_LINUX_SLL2:
 #endif
 	case DLT_PFLOG:
 		return true;
@@ -579,6 +582,15 @@ ssize_t fr_pcap_link_layer_offset(uint8_t const *data, size_t len, int link_laye
 		break;
 #endif
 
+#ifdef DLT_LINUX_SLL2
+	case DLT_LINUX_SLL2:
+		p += 20;
+		if (((size_t)(p - data)) > len) {
+			goto ood;
+		}
+		break;
+#endif
+
 	case DLT_PFLOG:
 		p += 28;
 		if (((size_t)(p - data)) > len) {