* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+#include "extract.h"
+
+#ifdef HAVE_CASPER
+#include <libcasper.h>
+extern cap_channel_t *capdns;
+#endif
+
/*
- * Definitions to let us compile most of the IPv6 code even on systems
+ * Definition to let us compile most of the IPv6 code even on systems
* without IPv6 support.
*/
#ifndef INET6_ADDRSTRLEN
extern struct hnamemem *newhnamemem(netdissect_options *);
extern struct h6namemem *newh6namemem(netdissect_options *);
extern const char * ieee8021q_tci_string(const uint16_t);
+
+/* macro(s) and inline function(s) with setjmp/longjmp logic to call
+ * the X_string() function(s) after bounds checking.
+ * The macro(s) must be used on a packet buffer pointer.
+ */
+
+static inline const char *
+get_linkaddr_string(netdissect_options *ndo, const uint8_t *p,
+ const unsigned int type, const unsigned int len)
+{
+ if (!ND_TTEST_LEN(p, len))
+ nd_trunc_longjmp(ndo);
+ return linkaddr_string(ndo, p, type, len);
+}
+
+static inline const char *
+get_etheraddr_string(netdissect_options *ndo, const uint8_t *p)
+{
+ if (!ND_TTEST_LEN(p, MAC_ADDR_LEN))
+ nd_trunc_longjmp(ndo);
+ return etheraddr_string(ndo, p);
+}
+
+static inline const char *
+get_le64addr_string(netdissect_options *ndo, const u_char *p)
+{
+ if (!ND_TTEST_8(p))
+ nd_trunc_longjmp(ndo);
+ return le64addr_string(ndo, p);
+}
+
+static inline const char *
+get_isonsap_string(netdissect_options *ndo, const uint8_t *nsap,
+ u_int nsap_length)
+{
+ if (!ND_TTEST_LEN(nsap, nsap_length))
+ nd_trunc_longjmp(ndo);
+ return isonsap_string(ndo, nsap, nsap_length);
+}
+
+static inline const char *
+get_ipaddr_string(netdissect_options *ndo, const u_char *p)
+{
+ if (!ND_TTEST_4(p))
+ nd_trunc_longjmp(ndo);
+ return ipaddr_string(ndo, p);
+}
+
+static inline const char *
+get_ip6addr_string(netdissect_options *ndo, const u_char *p)
+{
+ if (!ND_TTEST_16(p))
+ nd_trunc_longjmp(ndo);
+ return ip6addr_string(ndo, p);
+}
+
+#define GET_LINKADDR_STRING(p, type, len) get_linkaddr_string(ndo, (const u_char *)(p), type, len)
+#define GET_ETHERADDR_STRING(p) get_etheraddr_string(ndo, (const u_char *)(p))
+#define GET_LE64ADDR_STRING(p) get_le64addr_string(ndo, (const u_char *)(p))
+#define GET_ISONSAP_STRING(nsap, nsap_length) get_isonsap_string(ndo, (const u_char *)(nsap), nsap_length)
+#define GET_IPADDR_STRING(p) get_ipaddr_string(ndo, (const u_char *)(p))
+#define GET_IP6ADDR_STRING(p) get_ip6addr_string(ndo, (const u_char *)(p))