X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/0d2d222ffb8fdca529963a11624f4390d1c15297..refs/pull/1034/head:/addrtoname.h?ds=sidebyside

diff --git a/addrtoname.h b/addrtoname.h
index c0cd0333..597f4e1e 100644
--- a/addrtoname.h
+++ b/addrtoname.h
@@ -17,41 +17,110 @@
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#) $Header: /tcpdump/master/tcpdump/addrtoname.h,v 1.20 2007-08-08 14:06:34 hannes Exp $ (LBL)
  */
 
+#include "extract.h"
+
+#ifdef HAVE_CASPER
+#include <libcasper.h>
+extern cap_channel_t *capdns;
+#endif
+
+/*
+ * Definition to let us compile most of the IPv6 code even on systems
+ * without IPv6 support.
+ */
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN	46
+#endif
+
 /* Name to address translation routines. */
 
 enum {
     LINKADDR_ETHER,
     LINKADDR_FRELAY,
     LINKADDR_IEEE1394,
-    LINKADDR_ATM
+    LINKADDR_ATM,
+    LINKADDR_OTHER
 };
 
 #define BUFSIZE 128
 
-extern const char *linkaddr_string(const u_char *, const unsigned int, const unsigned int);
-extern const char *etheraddr_string(const u_char *);
-extern const char *le64addr_string(const u_char *);
-extern const char *etherproto_string(u_short);
-extern const char *tcpport_string(u_short);
-extern const char *udpport_string(u_short);
-extern const char *ipproto_string(u_int);
-extern const char *getname(const u_char *);
-#ifdef INET6
-extern const char *getname6(const u_char *);
-#endif
-extern const char *intoa(u_int32_t);
+extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int);
+extern const char *etheraddr_string(netdissect_options *, const uint8_t *);
+extern const char *le64addr_string(netdissect_options *, const uint8_t *);
+extern const char *tcpport_string(netdissect_options *, u_short);
+extern const char *udpport_string(netdissect_options *, u_short);
+extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int);
+extern const char *dnaddr_string(netdissect_options *, u_short);
+extern const char *ipxsap_string(netdissect_options *, u_short);
+extern const char *ipaddr_string(netdissect_options *, const u_char *);
+extern const char *ip6addr_string(netdissect_options *, const u_char *);
+extern const char *intoa(uint32_t);
 
-extern void init_addrtoname(u_int32_t, u_int32_t);
-extern struct hnamemem *newhnamemem(void);
-#ifdef INET6
-extern struct h6namemem *newh6namemem(void);
-#endif
+extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t);
+extern struct hnamemem *newhnamemem(netdissect_options *);
+extern struct h6namemem *newh6namemem(netdissect_options *);
+extern const char * ieee8021q_tci_string(const uint16_t);
 
-#define ipaddr_string(p) getname((const u_char *)(p))
-#ifdef INET6
-#define ip6addr_string(p) getname6((const u_char *)(p))
-#endif
+/* 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))