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CI: Add warning exemptions for Sun C (suncc-5.15) on Solaris 10
[tcpdump] / print-radius.c
diff --git a/print-radius.c b/print-radius.c
index fda7710ca191119c7cd9b8effac35af9c536b8d9..598db8e6dd02ebb3ce1a086c7319da9ea46446fa 100644 (file)
--- a/print-radius.c
+++ b/print-radius.c
@@ -65,9 +65,15 @@
  * RFC 5176:
  *      "Dynamic Authorization Extensions to RADIUS"
  *
  * RFC 5176:
  *      "Dynamic Authorization Extensions to RADIUS"
  *
+ * RFC 5447:
+ *      "Diameter Mobile IPv6"
+ *
  * RFC 5580:
  *      "Carrying Location Objects in RADIUS and Diameter"
  *
  * RFC 5580:
  *      "Carrying Location Objects in RADIUS and Diameter"
  *
+ * RFC 6572:
+ *      "RADIUS Support for Proxy Mobile IPv6"
+ *
  * RFC 7155:
  *      "Diameter Network Access Server Application"
  *
  * RFC 7155:
  *      "Diameter Network Access Server Application"
  *
@@ -76,65 +82,65 @@
  * TODO: Among other things to print ok MacIntosh and Vendor values
  */
 
  * TODO: Among other things to print ok MacIntosh and Vendor values
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
 #include <string.h>
 
 
 #include <string.h>
 
+#include "netdissect-ctype.h"
+
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 #include "oui.h"
 #include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 #include "oui.h"
-
-static const char tstr[] = " [|radius]";
+#include "ntp.h"
 
 #define TAM_SIZE(x) (sizeof(x)/sizeof(x[0]) )
 
 #define PRINT_HEX(bytes_len, ptr_data)                               \
            while(bytes_len)                                          \
            {                                                         \
 
 #define TAM_SIZE(x) (sizeof(x)/sizeof(x[0]) )
 
 #define PRINT_HEX(bytes_len, ptr_data)                               \
            while(bytes_len)                                          \
            {                                                         \
-              ND_PRINT((ndo, "%02X", *ptr_data ));                   \
+              ND_PRINT("%02X", GET_U_1(ptr_data));                   \
               ptr_data++;                                            \
               bytes_len--;                                           \
            }
 
               ptr_data++;                                            \
               bytes_len--;                                           \
            }
 
-
 /* Radius packet codes */
 /* Radius packet codes */
-#define RADCMD_ACCESS_REQ   1 /* Access-Request      */
-#define RADCMD_ACCESS_ACC   2 /* Access-Accept       */
-#define RADCMD_ACCESS_REJ   3 /* Access-Reject       */
-#define RADCMD_ACCOUN_REQ   4 /* Accounting-Request  */
-#define RADCMD_ACCOUN_RES   5 /* Accounting-Response */
-#define RADCMD_ACCESS_CHA  11 /* Access-Challenge    */
-#define RADCMD_STATUS_SER  12 /* Status-Server       */
-#define RADCMD_STATUS_CLI  13 /* Status-Client       */
-#define RADCMD_DISCON_REQ  40 /* Disconnect-Request  */
-#define RADCMD_DISCON_ACK  41 /* Disconnect-ACK      */
-#define RADCMD_DISCON_NAK  42 /* Disconnect-NAK      */
-#define RADCMD_COA_REQ     43 /* CoA-Request         */
-#define RADCMD_COA_ACK     44 /* CoA-ACK             */
-#define RADCMD_COA_NAK     45 /* CoA-NAK             */
-#define RADCMD_RESERVED   255 /* Reserved            */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-27 */
+#define RADCMD_ACCESS_REQ    1 /* Access-Request      */
+#define RADCMD_ACCESS_ACC    2 /* Access-Accept       */
+#define RADCMD_ACCESS_REJ    3 /* Access-Reject       */
+#define RADCMD_ACCOUNT_REQ   4 /* Accounting-Request  */
+#define RADCMD_ACCOUNT_RES   5 /* Accounting-Response */
+#define RADCMD_ACCESS_CHA   11 /* Access-Challenge    */
+#define RADCMD_STATUS_SER   12 /* Status-Server       */
+#define RADCMD_STATUS_CLI   13 /* Status-Client       */
+#define RADCMD_DISCON_REQ   40 /* Disconnect-Request  */
+#define RADCMD_DISCON_ACK   41 /* Disconnect-ACK      */
+#define RADCMD_DISCON_NAK   42 /* Disconnect-NAK      */
+#define RADCMD_COA_REQ      43 /* CoA-Request         */
+#define RADCMD_COA_ACK      44 /* CoA-ACK             */
+#define RADCMD_COA_NAK      45 /* CoA-NAK             */
+#define RADCMD_RESERVED    255 /* Reserved            */
 
 static const struct tok radius_command_values[] = {
 
 static const struct tok radius_command_values[] = {
-    { RADCMD_ACCESS_REQ, "Access-Request" },
-    { RADCMD_ACCESS_ACC, "Access-Accept" },
-    { RADCMD_ACCESS_REJ, "Access-Reject" },
-    { RADCMD_ACCOUN_REQ, "Accounting-Request" },
-    { RADCMD_ACCOUN_RES, "Accounting-Response" },
-    { RADCMD_ACCESS_CHA, "Access-Challenge" },
-    { RADCMD_STATUS_SER, "Status-Server" },
-    { RADCMD_STATUS_CLI, "Status-Client" },
-    { RADCMD_DISCON_REQ, "Disconnect-Request" },
-    { RADCMD_DISCON_ACK, "Disconnect-ACK" },
-    { RADCMD_DISCON_NAK, "Disconnect-NAK" },
-    { RADCMD_COA_REQ,    "CoA-Request" },
-    { RADCMD_COA_ACK,    "CoA-ACK" },
-    { RADCMD_COA_NAK,    "CoA-NAK" },
-    { RADCMD_RESERVED,   "Reserved" },
+    { RADCMD_ACCESS_REQ,  "Access-Request" },
+    { RADCMD_ACCESS_ACC,  "Access-Accept" },
+    { RADCMD_ACCESS_REJ,  "Access-Reject" },
+    { RADCMD_ACCOUNT_REQ, "Accounting-Request" },
+    { RADCMD_ACCOUNT_RES, "Accounting-Response" },
+    { RADCMD_ACCESS_CHA,  "Access-Challenge" },
+    { RADCMD_STATUS_SER,  "Status-Server" },
+    { RADCMD_STATUS_CLI,  "Status-Client" },
+    { RADCMD_DISCON_REQ,  "Disconnect-Request" },
+    { RADCMD_DISCON_ACK,  "Disconnect-ACK" },
+    { RADCMD_DISCON_NAK,  "Disconnect-NAK" },
+    { RADCMD_COA_REQ,     "CoA-Request" },
+    { RADCMD_COA_ACK,     "CoA-ACK" },
+    { RADCMD_COA_NAK,     "CoA-NAK" },
+    { RADCMD_RESERVED,    "Reserved" },
     { 0, NULL}
 };
 
     { 0, NULL}
 };
 
@@ -166,6 +172,8 @@ static const struct tok radius_command_values[] = {
 #define ARAP_PASS          70
 #define ARAP_FEATURES      71
 
 #define ARAP_PASS          70
 #define ARAP_FEATURES      71
 
+#define EAP_MESSAGE        79
+
 #define TUNNEL_PRIV_GROUP  81
 #define TUNNEL_ASSIGN_ID   82
 #define TUNNEL_PREFERENCE  83
 #define TUNNEL_PRIV_GROUP  81
 #define TUNNEL_ASSIGN_ID   82
 #define TUNNEL_PREFERENCE  83
@@ -190,31 +198,35 @@ static const struct tok rfc4675_tagged[] = {
     { 0, NULL}
 };
 
     { 0, NULL}
 };
 
-
-static void print_attr_string(netdissect_options *, register const u_char *, u_int, u_short );
-static void print_attr_num(netdissect_options *, register const u_char *, u_int, u_short );
-static void print_vendor_attr(netdissect_options *, register const u_char *, u_int, u_short );
-static void print_attr_address(netdissect_options *, register const u_char *, u_int, u_short);
-static void print_attr_address6(netdissect_options *, register const u_char *, u_int, u_short);
-static void print_attr_netmask6(netdissect_options *, register const u_char *, u_int, u_short);
-static void print_attr_time(netdissect_options *, register const u_char *, u_int, u_short);
-static void print_attr_strange(netdissect_options *, register const u_char *, u_int, u_short);
-
-
-struct radius_hdr { uint8_t  code; /* Radius packet code  */
-                    uint8_t  id;   /* Radius packet id    */
-                    uint16_t len;  /* Radius total length */
-                    uint8_t  auth[16]; /* Authenticator   */
+static void print_attr_string(netdissect_options *, const u_char *, u_int, u_short );
+static void print_attr_num(netdissect_options *, const u_char *, u_int, u_short );
+static void print_vendor_attr(netdissect_options *, const u_char *, u_int, u_short );
+static void print_attr_address(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_address6(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_netmask6(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_mip6_home_link_prefix(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_operator_name(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_location_information(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_location_data(netdissect_options *, const u_char *, u_int, u_short);
+static void print_basic_location_policy_rules(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_time(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_vector64(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_strange(netdissect_options *, const u_char *, u_int, u_short);
+
+struct radius_hdr { nd_uint8_t  code;     /* Radius packet code  */
+                    nd_uint8_t  id;       /* Radius packet id    */
+                    nd_uint16_t len;      /* Radius total length */
+                    nd_byte     auth[16]; /* Authenticator   */
                   };
 
 #define MIN_RADIUS_LEN 20
 
                   };
 
 #define MIN_RADIUS_LEN 20
 
-struct radius_attr { uint8_t type; /* Attribute type   */
-                     uint8_t len;  /* Attribute length */
+struct radius_attr { nd_uint8_t type; /* Attribute type   */
+                     nd_uint8_t len;  /* Attribute length */
                    };
 
                    };
 
-
 /* Service-Type Attribute standard values */
 /* Service-Type Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-4 */
 static const char *serv_type[]={ NULL,
                                 "Login",
                                 "Framed",
 static const char *serv_type[]={ NULL,
                                 "Login",
                                 "Framed",
@@ -225,11 +237,22 @@ static const char *serv_type[]={ NULL,
                                 "NAS Prompt",
                                 "Authenticate Only",
                                 "Callback NAS Prompt",
                                 "NAS Prompt",
                                 "Authenticate Only",
                                 "Callback NAS Prompt",
+                                /* ^ [0, 9] ^ */
                                 "Call Check",
                                 "Callback Administrative",
                                 "Call Check",
                                 "Callback Administrative",
+                                "Voice",
+                                "Fax",
+                                "Modem Relay",
+                                "IAPP-Register",
+                                "IAPP-AP-Check",
+                                "Authorize Only",
+                                "Framed-Management",
+                                "Additional-Authorization",
+                                /* ^ [10, 19] ^ */
                                };
 
 /* Framed-Protocol Attribute standard values */
                                };
 
 /* Framed-Protocol Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-5 */
 static const char *frm_proto[]={ NULL,
                                  "PPP",
                                  "SLIP",
 static const char *frm_proto[]={ NULL,
                                  "PPP",
                                  "SLIP",
@@ -237,9 +260,11 @@ static const char *frm_proto[]={ NULL,
                                  "Gandalf proprietary",
                                  "Xylogics IPX/SLIP",
                                  "X.75 Synchronous",
                                  "Gandalf proprietary",
                                  "Xylogics IPX/SLIP",
                                  "X.75 Synchronous",
+                                 "GPRS PDP Context",
                                };
 
 /* Framed-Routing Attribute standard values */
                                };
 
 /* Framed-Routing Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-6 */
 static const char *frm_routing[]={ "None",
                                    "Send",
                                    "Listen",
 static const char *frm_routing[]={ "None",
                                    "Send",
                                    "Listen",
@@ -247,6 +272,7 @@ static const char *frm_routing[]={ "None",
                                  };
 
 /* Framed-Compression Attribute standard values */
                                  };
 
 /* Framed-Compression Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-7 */
 static const char *frm_comp[]={ "None",
                                 "VJ TCP/IP",
                                 "IPX",
 static const char *frm_comp[]={ "None",
                                 "VJ TCP/IP",
                                 "IPX",
@@ -254,6 +280,7 @@ static const char *frm_comp[]={ "None",
                               };
 
 /* Login-Service Attribute standard values */
                               };
 
 /* Login-Service Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-8 */
 static const char *login_serv[]={ "Telnet",
                                   "Rlogin",
                                   "TCP Clear",
 static const char *login_serv[]={ "Telnet",
                                   "Rlogin",
                                   "TCP Clear",
@@ -265,8 +292,8 @@ static const char *login_serv[]={ "Telnet",
                                   "TCP Clear Quiet",
                                 };
 
                                   "TCP Clear Quiet",
                                 };
 
-
 /* Termination-Action Attribute standard values */
 /* Termination-Action Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-9 */
 static const char *term_action[]={ "Default",
                                    "RADIUS-Request",
                                  };
 static const char *term_action[]={ "Default",
                                    "RADIUS-Request",
                                  };
@@ -278,6 +305,7 @@ static const char *ingress_filters[]={ NULL,
                                      };
 
 /* NAS-Port-Type Attribute standard values */
                                      };
 
 /* NAS-Port-Type Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-13 */
 static const char *nas_port_type[]={ "Async",
                                      "Sync",
                                      "ISDN Sync",
 static const char *nas_port_type[]={ "Async",
                                      "Sync",
                                      "ISDN Sync",
@@ -288,6 +316,7 @@ static const char *nas_port_type[]={ "Async",
                                      "HDLC Clear Channel",
                                      "X.25",
                                      "X.75",
                                      "HDLC Clear Channel",
                                      "X.25",
                                      "X.75",
+                                     /* ^ [0, 9] ^ */
                                      "G.3 Fax",
                                      "SDSL",
                                      "ADSL-CAP",
                                      "G.3 Fax",
                                      "SDSL",
                                      "ADSL-CAP",
@@ -298,9 +327,37 @@ static const char *nas_port_type[]={ "Async",
                                      "Cable",
                                      "Wireless - Other",
                                      "Wireless - IEEE 802.11",
                                      "Cable",
                                      "Wireless - Other",
                                      "Wireless - IEEE 802.11",
+                                     /* ^ [10, 19] ^ */
+                                     "Token-Ring",
+                                     "FDDI",
+                                     "Wireless - CDMA200",
+                                     "Wireless - UMTS",
+                                     "Wireless - 1X-EV",
+                                     "IAPP",
+                                     "FTTP",
+                                     "Wireless - IEEE 802.16",
+                                     "Wireless - IEEE 802.20",
+                                     "Wireless - IEEE 802.22",
+                                     /* ^ [20, 29] ^ */
+                                     "PPPoA",
+                                     "PPPoEoA",
+                                     "PPPoEoE",
+                                     "PPPoEoVLAN",
+                                     "PPPoEoQinQ",
+                                     "xPON",
+                                     "Wireless - XGP",
+                                     "WiMAX Pre-Release 8 IWK Function",
+                                     "WIMAX-WIFI-IWK",
+                                     "WIMAX-SFF",
+                                     /* ^ [30, 39] ^ */
+                                     "WIMAX-HA-LMA",
+                                     "WIMAX-DHCP",
+                                     "WIMAX-LBS",
+                                     "WIMAX-WVS",
                                    };
 
 /* Acct-Status-Type Accounting Attribute standard values */
                                    };
 
 /* Acct-Status-Type Accounting Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-10 */
 static const char *acct_status[]={ NULL,
                                    "Start",
                                    "Stop",
 static const char *acct_status[]={ NULL,
                                    "Start",
                                    "Stop",
@@ -311,6 +368,7 @@ static const char *acct_status[]={ NULL,
                                    "Accounting-On",
                                    "Accounting-Off",
                                    "Tunnel-Start",
                                    "Accounting-On",
                                    "Accounting-Off",
                                    "Tunnel-Start",
+                                     /* ^ [0, 9] ^ */
                                    "Tunnel-Stop",
                                    "Tunnel-Reject",
                                    "Tunnel-Link-Start",
                                    "Tunnel-Stop",
                                    "Tunnel-Reject",
                                    "Tunnel-Link-Start",
@@ -320,13 +378,16 @@ static const char *acct_status[]={ NULL,
                                  };
 
 /* Acct-Authentic Accounting Attribute standard values */
                                  };
 
 /* Acct-Authentic Accounting Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-11 */
 static const char *acct_auth[]={ NULL,
                                  "RADIUS",
                                  "Local",
                                  "Remote",
 static const char *acct_auth[]={ NULL,
                                  "RADIUS",
                                  "Local",
                                  "Remote",
+                                 "Diameter",
                                };
 
 /* Acct-Terminate-Cause Accounting Attribute standard values */
                                };
 
 /* Acct-Terminate-Cause Accounting Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-12 */
 static const char *acct_term[]={ NULL,
                                  "User Request",
                                  "Lost Carrier",
 static const char *acct_term[]={ NULL,
                                  "User Request",
                                  "Lost Carrier",
@@ -337,6 +398,7 @@ static const char *acct_term[]={ NULL,
                                  "Admin Reboot",
                                  "Port Error",
                                  "NAS Error",
                                  "Admin Reboot",
                                  "Port Error",
                                  "NAS Error",
+                                 /* ^ [0, 9] ^ */
                                  "NAS Request",
                                  "NAS Reboot",
                                  "Port Unneeded",
                                  "NAS Request",
                                  "NAS Reboot",
                                  "Port Unneeded",
@@ -346,9 +408,16 @@ static const char *acct_term[]={ NULL,
                                  "Callback",
                                  "User Error",
                                  "Host Request",
                                  "Callback",
                                  "User Error",
                                  "Host Request",
+                                 "Supplicant Restart",
+                                 /* ^ [10, 19] ^ */
+                                 "Reauthentication Failure",
+                                 "Port Reinitialized",
+                                 "Port Administratively Disabled",
+                                 "Lost Power",
                                };
 
 /* Tunnel-Type Attribute standard values */
                                };
 
 /* Tunnel-Type Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-14 */
 static const char *tunnel_type[]={ NULL,
                                    "PPTP",
                                    "L2F",
 static const char *tunnel_type[]={ NULL,
                                    "PPTP",
                                    "L2F",
@@ -359,6 +428,7 @@ static const char *tunnel_type[]={ NULL,
                                    "IP-IP",
                                    "MIN-IP-IP",
                                    "ESP",
                                    "IP-IP",
                                    "MIN-IP-IP",
                                    "ESP",
+                                   /* ^ [0, 9] ^ */
                                    "GRE",
                                    "DVS",
                                    "IP-in-IP Tunneling",
                                    "GRE",
                                    "DVS",
                                    "IP-in-IP Tunneling",
@@ -366,6 +436,7 @@ static const char *tunnel_type[]={ NULL,
                                  };
 
 /* Tunnel-Medium-Type Attribute standard values */
                                  };
 
 /* Tunnel-Medium-Type Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-15 */
 static const char *tunnel_medium[]={ NULL,
                                      "IPv4",
                                      "IPv6",
 static const char *tunnel_medium[]={ NULL,
                                      "IPv4",
                                      "IPv6",
@@ -376,6 +447,7 @@ static const char *tunnel_medium[]={ NULL,
                                      "E.163",
                                      "E.164",
                                      "F.69",
                                      "E.163",
                                      "E.164",
                                      "F.69",
+                                     /* ^ [0, 9] ^ */
                                      "X.121",
                                      "IPX",
                                      "Appletalk",
                                      "X.121",
                                      "IPX",
                                      "Appletalk",
@@ -385,6 +457,7 @@ static const char *tunnel_medium[]={ NULL,
                                    };
 
 /* ARAP-Zone-Access Attribute standard values */
                                    };
 
 /* ARAP-Zone-Access Attribute standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-16 */
 static const char *arap_zone[]={ NULL,
                                  "Only access to dfl zone",
                                  "Use zone filter inc.",
 static const char *arap_zone[]={ NULL,
                                  "Only access to dfl zone",
                                  "Use zone filter inc.",
@@ -392,11 +465,13 @@ static const char *arap_zone[]={ NULL,
                                  "Use zone filter exc.",
                                };
 
                                  "Use zone filter exc.",
                                };
 
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-17 */
 static const char *prompt[]={ "No Echo",
                               "Echo",
                             };
 
 /* Error-Cause standard values */
 static const char *prompt[]={ "No Echo",
                               "Echo",
                             };
 
 /* Error-Cause standard values */
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-18 */
 #define ERROR_CAUSE_RESIDUAL_CONTEXT_REMOVED 201
 #define ERROR_CAUSE_INVALID_EAP_PACKET 202
 #define ERROR_CAUSE_UNSUPPORTED_ATTRIBUTE 401
 #define ERROR_CAUSE_RESIDUAL_CONTEXT_REMOVED 201
 #define ERROR_CAUSE_INVALID_EAP_PACKET 202
 #define ERROR_CAUSE_UNSUPPORTED_ATTRIBUTE 401
@@ -437,13 +512,97 @@ static const struct tok errorcausetype[] = {
                                                                                                                                 { 0, NULL }
                                };
 
                                                                                                                                 { 0, NULL }
                                };
 
+/* MIP6-Feature-Vector standard values */
+/* https://www.iana.org/assignments/aaa-parameters/aaa-parameters.xhtml */
+#define MIP6_INTEGRATED 0x0000000000000001
+#define LOCAL_HOME_AGENT_ASSIGNMENT 0x0000000000000002
+#define PMIP6_SUPPORTED 0x0000010000000000
+#define IP4_HOA_SUPPORTED 0x0000020000000000
+#define LOCAL_MAG_ROUTING_SUPPORTED 0x0000040000000000
+#define ASSIGN_LOCAL_IP 0x0000080000000000
+#define MIP4_SUPPORTED 0x0000100000000000
+#define OPTIMIZED_IDLE_MODE_MOBILITY 0x0000200000000000
+#define GTPv2_SUPPORTED 0x0000400000000000
+#define IP4_TRANSPORT_SUPPORTED 0x0000800000000000
+#define IP4_HOA_ONLY_SUPPORTED 0x0001000000000000
+#define INTER_MAG_ROUTING_SUPPORTED 0x0002000000000000
+static const struct mip6_feature_vector {
+                  uint64_t v;
+                  const char *s;
+                } mip6_feature_vector[] = {
+                                 { MIP6_INTEGRATED,             "MIP6_INTEGRATED" },
+                                 { LOCAL_HOME_AGENT_ASSIGNMENT, "LOCAL_HOME_AGENT_ASSIGNMENT" },
+                                 { PMIP6_SUPPORTED,             "PMIP6_SUPPORTED" },
+                                 { IP4_HOA_SUPPORTED,           "IP4_HOA_SUPPORTED" },
+                                 { LOCAL_MAG_ROUTING_SUPPORTED, "LOCAL_MAG_ROUTING_SUPPORTED" },
+                                 { ASSIGN_LOCAL_IP,             "ASSIGN_LOCAL_IP" },
+                                 { MIP4_SUPPORTED,              "MIP4_SUPPORTED" },
+                                 { OPTIMIZED_IDLE_MODE_MOBILITY, "OPTIMIZED_IDLE_MODE_MOBILITY" },
+                                 { GTPv2_SUPPORTED,             "GTPv2_SUPPORTED" },
+                                 { IP4_TRANSPORT_SUPPORTED,     "IP4_TRANSPORT_SUPPORTED" },
+                                 { IP4_HOA_ONLY_SUPPORTED,      "IP4_HOA_ONLY_SUPPORTED" },
+                                 { INTER_MAG_ROUTING_SUPPORTED, "INTER_MAG_ROUTING_SUPPORTED" },
+                               };
+
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-19 */
+#define OPERATOR_NAME_TADIG 0x30
+#define OPERATOR_NAME_REALM 0x31
+#define OPERATOR_NAME_E212  0x32
+#define OPERATOR_NAME_ICC   0x33
+static const struct tok operator_name_vector[] = {
+                                 { OPERATOR_NAME_TADIG, "TADIG" },
+                                 { OPERATOR_NAME_REALM, "REALM" },
+                                 { OPERATOR_NAME_E212,  "E212"  },
+                                 { OPERATOR_NAME_ICC,   "ICC"   },
+                                 { 0, NULL }
+                               };
+
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-20 */
+#define LOCATION_INFORMATION_CODE_CIVIC      0
+#define LOCATION_INFORMATION_CODE_GEOSPATIAL 1
+static const struct tok location_information_code_vector[] = {
+                                 { LOCATION_INFORMATION_CODE_CIVIC     , "Civic"      },
+                                 { LOCATION_INFORMATION_CODE_GEOSPATIAL, "Geospatial" },
+                                 { 0, NULL }
+                               };
 
 
-static struct attrtype {
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-21 */
+#define LOCATION_INFORMATION_ENTITY_USER   0
+#define LOCATION_INFORMATION_ENTITY_RADIUS 1
+static const struct tok location_information_entity_vector[] = {
+                                 { LOCATION_INFORMATION_ENTITY_USER,   "User"   },
+                                 { LOCATION_INFORMATION_ENTITY_RADIUS, "RADIUS" },
+                                 { 0, NULL }
+                               };
+
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-22 */
+static const struct tok blpr_bm[] = {
+                                 { 0x0001, "MBZ-15" },
+                                 { 0x0002, "MBZ-14" },
+                                 { 0x0004, "MBZ-13" },
+                                 { 0x0008, "MBZ-12" },
+                                 { 0x0010, "MBZ-11" },
+                                 { 0x0020, "MBZ-10" },
+                                 { 0x0040, "MBZ-9" },
+                                 { 0x0080, "MBZ-8" },
+                                 { 0x0100, "MBZ-7" },
+                                 { 0x0200, "MBZ-6" },
+                                 { 0x0400, "MBZ-5" },
+                                 { 0x0800, "MBZ-4" },
+                                 { 0x1000, "MBZ-3" },
+                                 { 0x2000, "MBZ-2" },
+                                 { 0x4000, "MBZ-1" },
+                                 { 0x8000, "Retransmission Allowed" },
+                                 { 0, NULL }
+                               };
+
+/* https://www.iana.org/assignments/radius-types/radius-types.xhtml#radius-types-2 */
+static const struct attrtype {
                   const char *name;      /* Attribute name                 */
                   const char **subtypes; /* Standard Values (if any)       */
                   u_char siz_subtypes;   /* Size of total standard values  */
                   u_char first_subtype;  /* First standard value is 0 or 1 */
                   const char *name;      /* Attribute name                 */
                   const char **subtypes; /* Standard Values (if any)       */
                   u_char siz_subtypes;   /* Size of total standard values  */
                   u_char first_subtype;  /* First standard value is 0 or 1 */
-                  void (*print_func)(netdissect_options *, register const u_char *, u_int, u_short);
+                  void (*print_func)(netdissect_options *, const u_char *, u_int, u_short);
                 } attr_type[]=
   {
      { NULL,                              NULL, 0, 0, NULL               },
                 } attr_type[]=
   {
      { NULL,                              NULL, 0, 0, NULL               },
@@ -456,6 +615,7 @@ static struct attrtype {
      { "Framed-Protocol",                 frm_proto, TAM_SIZE(frm_proto)-1, 1, print_attr_num },
      { "Framed-IP-Address",               NULL, 0, 0, print_attr_address },
      { "Framed-IP-Netmask",               NULL, 0, 0, print_attr_address },
      { "Framed-Protocol",                 frm_proto, TAM_SIZE(frm_proto)-1, 1, print_attr_num },
      { "Framed-IP-Address",               NULL, 0, 0, print_attr_address },
      { "Framed-IP-Netmask",               NULL, 0, 0, print_attr_address },
+     /* ^ [0, 9] ^ */
      { "Framed-Routing",                  frm_routing, TAM_SIZE(frm_routing), 0, print_attr_num },
      { "Filter-Id",                       NULL, 0, 0, print_attr_string  },
      { "Framed-MTU",                      NULL, 0, 0, print_attr_num     },
      { "Framed-Routing",                  frm_routing, TAM_SIZE(frm_routing), 0, print_attr_num },
      { "Filter-Id",                       NULL, 0, 0, print_attr_string  },
      { "Framed-MTU",                      NULL, 0, 0, print_attr_num     },
@@ -466,6 +626,7 @@ static struct attrtype {
      { "Unassigned",                      NULL, 0, 0, NULL }, /*17*/
      { "Reply-Message",                   NULL, 0, 0, print_attr_string },
      { "Callback-Number",                 NULL, 0, 0, print_attr_string },
      { "Unassigned",                      NULL, 0, 0, NULL }, /*17*/
      { "Reply-Message",                   NULL, 0, 0, print_attr_string },
      { "Callback-Number",                 NULL, 0, 0, print_attr_string },
+     /* ^ [10, 19] ^ */
      { "Callback-Id",                     NULL, 0, 0, print_attr_string },
      { "Unassigned",                      NULL, 0, 0, NULL }, /*21*/
      { "Framed-Route",                    NULL, 0, 0, print_attr_string },
      { "Callback-Id",                     NULL, 0, 0, print_attr_string },
      { "Unassigned",                      NULL, 0, 0, NULL }, /*21*/
      { "Framed-Route",                    NULL, 0, 0, print_attr_string },
@@ -476,6 +637,7 @@ static struct attrtype {
      { "Session-Timeout",                 NULL, 0, 0, print_attr_num    },
      { "Idle-Timeout",                    NULL, 0, 0, print_attr_num    },
      { "Termination-Action",              term_action, TAM_SIZE(term_action), 0, print_attr_num },
      { "Session-Timeout",                 NULL, 0, 0, print_attr_num    },
      { "Idle-Timeout",                    NULL, 0, 0, print_attr_num    },
      { "Termination-Action",              term_action, TAM_SIZE(term_action), 0, print_attr_num },
+     /* ^ [20, 29] ^ */
      { "Called-Station-Id",               NULL, 0, 0, print_attr_string },
      { "Calling-Station-Id",              NULL, 0, 0, print_attr_string },
      { "NAS-Identifier",                  NULL, 0, 0, print_attr_string },
      { "Called-Station-Id",               NULL, 0, 0, print_attr_string },
      { "Calling-Station-Id",              NULL, 0, 0, print_attr_string },
      { "NAS-Identifier",                  NULL, 0, 0, print_attr_string },
@@ -486,6 +648,7 @@ static struct attrtype {
      { "Framed-AppleTalk-Link",           NULL, 0, 0, print_attr_num    },
      { "Framed-AppleTalk-Network",        NULL, 0, 0, print_attr_num    },
      { "Framed-AppleTalk-Zone",           NULL, 0, 0, print_attr_string },
      { "Framed-AppleTalk-Link",           NULL, 0, 0, print_attr_num    },
      { "Framed-AppleTalk-Network",        NULL, 0, 0, print_attr_num    },
      { "Framed-AppleTalk-Zone",           NULL, 0, 0, print_attr_string },
+     /* ^ [30, 39] ^ */
      { "Acct-Status-Type",                acct_status, TAM_SIZE(acct_status)-1, 1, print_attr_num },
      { "Acct-Delay-Time",                 NULL, 0, 0, print_attr_num    },
      { "Acct-Input-Octets",               NULL, 0, 0, print_attr_num    },
      { "Acct-Status-Type",                acct_status, TAM_SIZE(acct_status)-1, 1, print_attr_num },
      { "Acct-Delay-Time",                 NULL, 0, 0, print_attr_num    },
      { "Acct-Input-Octets",               NULL, 0, 0, print_attr_num    },
@@ -496,6 +659,7 @@ static struct attrtype {
      { "Acct-Input-Packets",              NULL, 0, 0, print_attr_num },
      { "Acct-Output-Packets",             NULL, 0, 0, print_attr_num },
      { "Acct-Terminate-Cause",            acct_term, TAM_SIZE(acct_term)-1, 1, print_attr_num },
      { "Acct-Input-Packets",              NULL, 0, 0, print_attr_num },
      { "Acct-Output-Packets",             NULL, 0, 0, print_attr_num },
      { "Acct-Terminate-Cause",            acct_term, TAM_SIZE(acct_term)-1, 1, print_attr_num },
+     /* ^ [40, 49] ^ */
      { "Acct-Multi-Session-Id",           NULL, 0, 0, print_attr_string },
      { "Acct-Link-Count",                 NULL, 0, 0, print_attr_num },
      { "Acct-Input-Gigawords",            NULL, 0, 0, print_attr_num },
      { "Acct-Multi-Session-Id",           NULL, 0, 0, print_attr_string },
      { "Acct-Link-Count",                 NULL, 0, 0, print_attr_num },
      { "Acct-Input-Gigawords",            NULL, 0, 0, print_attr_num },
@@ -506,6 +670,7 @@ static struct attrtype {
      { "Ingress-Filters",                 ingress_filters, TAM_SIZE(ingress_filters)-1, 1, print_attr_num },
      { "Egress-VLAN-Name",                NULL, 0, 0, print_attr_string },
      { "User-Priority-Table",             NULL, 0, 0, NULL },
      { "Ingress-Filters",                 ingress_filters, TAM_SIZE(ingress_filters)-1, 1, print_attr_num },
      { "Egress-VLAN-Name",                NULL, 0, 0, print_attr_string },
      { "User-Priority-Table",             NULL, 0, 0, NULL },
+     /* ^ [50, 59] ^ */
      { "CHAP-Challenge",                  NULL, 0, 0, print_attr_string },
      { "NAS-Port-Type",                   nas_port_type, TAM_SIZE(nas_port_type), 0, print_attr_num },
      { "Port-Limit",                      NULL, 0, 0, print_attr_num },
      { "CHAP-Challenge",                  NULL, 0, 0, print_attr_string },
      { "NAS-Port-Type",                   nas_port_type, TAM_SIZE(nas_port_type), 0, print_attr_num },
      { "Port-Limit",                      NULL, 0, 0, print_attr_num },
@@ -516,6 +681,7 @@ static struct attrtype {
      { "Tunnel-Server-Endpoint",          NULL, 0, 0, print_attr_string },
      { "Acct-Tunnel-Connection",          NULL, 0, 0, print_attr_string },
      { "Tunnel-Password",                 NULL, 0, 0, print_attr_string  },
      { "Tunnel-Server-Endpoint",          NULL, 0, 0, print_attr_string },
      { "Acct-Tunnel-Connection",          NULL, 0, 0, print_attr_string },
      { "Tunnel-Password",                 NULL, 0, 0, print_attr_string  },
+     /* ^ [60, 69] ^ */
      { "ARAP-Password",                   NULL, 0, 0, print_attr_strange },
      { "ARAP-Features",                   NULL, 0, 0, print_attr_strange },
      { "ARAP-Zone-Access",                arap_zone, TAM_SIZE(arap_zone)-1, 1, print_attr_num }, /*72*/
      { "ARAP-Password",                   NULL, 0, 0, print_attr_strange },
      { "ARAP-Features",                   NULL, 0, 0, print_attr_strange },
      { "ARAP-Zone-Access",                arap_zone, TAM_SIZE(arap_zone)-1, 1, print_attr_num }, /*72*/
@@ -526,6 +692,7 @@ static struct attrtype {
      { "Connect-Info",                    NULL, 0, 0, print_attr_string   },
      { "Configuration-Token",             NULL, 0, 0, print_attr_string   },
      { "EAP-Message",                     NULL, 0, 0, print_attr_string   },
      { "Connect-Info",                    NULL, 0, 0, print_attr_string   },
      { "Configuration-Token",             NULL, 0, 0, print_attr_string   },
      { "EAP-Message",                     NULL, 0, 0, print_attr_string   },
+     /* ^ [70, 79] ^ */
      { "Message-Authenticator",           NULL, 0, 0, print_attr_string }, /*80*/
      { "Tunnel-Private-Group-ID",         NULL, 0, 0, print_attr_string },
      { "Tunnel-Assignment-ID",            NULL, 0, 0, print_attr_string },
      { "Message-Authenticator",           NULL, 0, 0, print_attr_string }, /*80*/
      { "Tunnel-Private-Group-ID",         NULL, 0, 0, print_attr_string },
      { "Tunnel-Assignment-ID",            NULL, 0, 0, print_attr_string },
@@ -536,6 +703,7 @@ static struct attrtype {
      { "NAS-Port-Id",                     NULL, 0, 0, print_attr_string },
      { "Framed-Pool",                     NULL, 0, 0, print_attr_string },
      { "CUI",                             NULL, 0, 0, print_attr_string },
      { "NAS-Port-Id",                     NULL, 0, 0, print_attr_string },
      { "Framed-Pool",                     NULL, 0, 0, print_attr_string },
      { "CUI",                             NULL, 0, 0, print_attr_string },
+     /* ^ [80, 89] ^ */
      { "Tunnel-Client-Auth-ID",           NULL, 0, 0, print_attr_string },
      { "Tunnel-Server-Auth-ID",           NULL, 0, 0, print_attr_string },
      { "NAS-Filter-Rule",                 NULL, 0, 0, print_attr_string },
      { "Tunnel-Client-Auth-ID",           NULL, 0, 0, print_attr_string },
      { "Tunnel-Server-Auth-ID",           NULL, 0, 0, print_attr_string },
      { "NAS-Filter-Rule",                 NULL, 0, 0, print_attr_string },
@@ -546,6 +714,7 @@ static struct attrtype {
      { "Framed-IPv6-Prefix",              NULL, 0, 0, print_attr_netmask6 },
      { "Login-IPv6-Host",                 NULL, 0, 0, print_attr_address6 },
      { "Framed-IPv6-Route",               NULL, 0, 0, print_attr_string },
      { "Framed-IPv6-Prefix",              NULL, 0, 0, print_attr_netmask6 },
      { "Login-IPv6-Host",                 NULL, 0, 0, print_attr_address6 },
      { "Framed-IPv6-Route",               NULL, 0, 0, print_attr_string },
+     /* ^ [90, 99] ^ */
      { "Framed-IPv6-Pool",                NULL, 0, 0, print_attr_string },
      { "Error-Cause",                     NULL, 0, 0, print_attr_strange },
      { "EAP-Key-Name",                    NULL, 0, 0, NULL },
      { "Framed-IPv6-Pool",                NULL, 0, 0, print_attr_string },
      { "Error-Cause",                     NULL, 0, 0, print_attr_strange },
      { "EAP-Key-Name",                    NULL, 0, 0, NULL },
@@ -556,6 +725,7 @@ static struct attrtype {
      { "Digest-Nextnonce",                NULL, 0, 0, print_attr_string },
      { "Digest-Method",                   NULL, 0, 0, print_attr_string },
      { "Digest-URI",                      NULL, 0, 0, print_attr_string },
      { "Digest-Nextnonce",                NULL, 0, 0, print_attr_string },
      { "Digest-Method",                   NULL, 0, 0, print_attr_string },
      { "Digest-URI",                      NULL, 0, 0, print_attr_string },
+     /* ^ [100, 109] ^ */
      { "Digest-Qop",                      NULL, 0, 0, print_attr_string },
      { "Digest-Algorithm",                NULL, 0, 0, print_attr_string },
      { "Digest-Entity-Body-Hash",         NULL, 0, 0, print_attr_string },
      { "Digest-Qop",                      NULL, 0, 0, print_attr_string },
      { "Digest-Algorithm",                NULL, 0, 0, print_attr_string },
      { "Digest-Entity-Body-Hash",         NULL, 0, 0, print_attr_string },
@@ -566,13 +736,20 @@ static struct attrtype {
      { "Digest-Auth-Param",               NULL, 0, 0, print_attr_string },
      { "Digest-AKA-Auts",                 NULL, 0, 0, print_attr_string },
      { "Digest-Domain",                   NULL, 0, 0, print_attr_string },
      { "Digest-Auth-Param",               NULL, 0, 0, print_attr_string },
      { "Digest-AKA-Auts",                 NULL, 0, 0, print_attr_string },
      { "Digest-Domain",                   NULL, 0, 0, print_attr_string },
+     /* ^ [110, 119] ^ */
      { "Digest-Stale",                    NULL, 0, 0, print_attr_string },
      { "Digest-HA1",                      NULL, 0, 0, print_attr_string },
      { "SIP-AOR",                         NULL, 0, 0, print_attr_string },
      { "Delegated-IPv6-Prefix",           NULL, 0, 0, print_attr_netmask6 },
      { "Digest-Stale",                    NULL, 0, 0, print_attr_string },
      { "Digest-HA1",                      NULL, 0, 0, print_attr_string },
      { "SIP-AOR",                         NULL, 0, 0, print_attr_string },
      { "Delegated-IPv6-Prefix",           NULL, 0, 0, print_attr_netmask6 },
+     { "MIP6-Feature-Vector",             NULL, 0, 0, print_attr_vector64 },
+     { "MIP6-Home-Link-Prefix",           NULL, 0, 0, print_attr_mip6_home_link_prefix },
+     { "Operator-Name",                   NULL, 0, 0, print_attr_operator_name },
+     { "Location-Information",            NULL, 0, 0, print_attr_location_information },
+     { "Location-Data",                   NULL, 0, 0, print_attr_location_data },
+     { "Basic-Location-Policy-Rules",     NULL, 0, 0, print_basic_location_policy_rules }
+     /* ^ [120, 129] ^ */
   };
 
   };
 
-
 /*****************************/
 /* Print an attribute string */
 /* value pointed by 'data'   */
 /*****************************/
 /* Print an attribute string */
 /* value pointed by 'data'   */
@@ -582,24 +759,20 @@ static struct attrtype {
 /*****************************/
 static void
 print_attr_string(netdissect_options *ndo,
 /*****************************/
 static void
 print_attr_string(netdissect_options *ndo,
-                  register const u_char *data, u_int length, u_short attr_code)
+                  const u_char *data, u_int length, u_short attr_code)
 {
 {
-   register u_int i;
-
-   ND_TCHECK2(data[0],length);
+   u_int i;
 
 
-   switch(attr_code)
-   {
+   switch(attr_code) {
       case TUNNEL_PASS:
       case TUNNEL_PASS:
-           if (length < 3)
-              goto trunc;
-           if (EXTRACT_U_1(data) && (EXTRACT_U_1(data) <= 0x1F))
-              ND_PRINT((ndo, "Tag[%u] ", EXTRACT_U_1(data)));
+           ND_ICHECK_U(length, <, 3);
+           if (GET_U_1(data) && (GET_U_1(data) <= 0x1F))
+              ND_PRINT("Tag[%u] ", GET_U_1(data));
            else
            else
-              ND_PRINT((ndo, "Tag[Unused] "));
+              ND_PRINT("Tag[Unused] ");
            data++;
            length--;
            data++;
            length--;
-           ND_PRINT((ndo, "Salt %u ", EXTRACT_BE_U_2(data)));
+           ND_PRINT("Salt %u ", GET_BE_U_2(data));
            data+=2;
            length-=2;
         break;
            data+=2;
            length-=2;
         break;
@@ -609,36 +782,37 @@ print_attr_string(netdissect_options *ndo,
       case TUNNEL_ASSIGN_ID:
       case TUNNEL_CLIENT_AUTH:
       case TUNNEL_SERVER_AUTH:
       case TUNNEL_ASSIGN_ID:
       case TUNNEL_CLIENT_AUTH:
       case TUNNEL_SERVER_AUTH:
-           if (EXTRACT_U_1(data) <= 0x1F)
-           {
-              if (length < 1)
-                 goto trunc;
-              if (EXTRACT_U_1(data))
-                ND_PRINT((ndo, "Tag[%u] ", EXTRACT_U_1(data)));
+           if (GET_U_1(data) <= 0x1F) {
+              ND_ICHECK_U(length, <, 1);
+              if (GET_U_1(data))
+                ND_PRINT("Tag[%u] ", GET_U_1(data));
               else
               else
-                ND_PRINT((ndo, "Tag[Unused] "));
+                ND_PRINT("Tag[Unused] ");
               data++;
               length--;
            }
         break;
       case EGRESS_VLAN_NAME:
               data++;
               length--;
            }
         break;
       case EGRESS_VLAN_NAME:
-           if (length < 1)
-              goto trunc;
-           ND_PRINT((ndo, "%s (0x%02x) ",
-                  tok2str(rfc4675_tagged,"Unknown tag",EXTRACT_U_1(data)),
-                  EXTRACT_U_1(data)));
+           ND_ICHECK_U(length, <, 1);
+           ND_PRINT("%s (0x%02x) ",
+                  tok2str(rfc4675_tagged,"Unknown tag",GET_U_1(data)),
+                  GET_U_1(data));
            data++;
            length--;
         break;
            data++;
            length--;
         break;
+      case EAP_MESSAGE:
+           ND_ICHECK_U(length, <, 1);
+           eap_print(ndo, data, length);
+           return;
    }
 
    }
 
-   for (i=0; i < length && EXTRACT_U_1(data); i++, data++)
-       ND_PRINT((ndo, "%c", ND_ISPRINT(EXTRACT_U_1(data)) ? EXTRACT_U_1(data) : '.'));
+   for (i=0; i < length && GET_U_1(data); i++, data++)
+       ND_PRINT("%c", ND_ASCII_ISPRINT(GET_U_1(data)) ? GET_U_1(data) : '.');
 
    return;
 
 
    return;
 
-   trunc:
-      ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 /*
 }
 
 /*
@@ -646,60 +820,43 @@ print_attr_string(netdissect_options *ndo,
  */
 static void
 print_vendor_attr(netdissect_options *ndo,
  */
 static void
 print_vendor_attr(netdissect_options *ndo,
-                  register const u_char *data, u_int length, u_short attr_code _U_)
+                  const u_char *data, u_int length, u_short attr_code _U_)
 {
     u_int idx;
     u_int vendor_id;
     u_int vendor_type;
     u_int vendor_length;
 
 {
     u_int idx;
     u_int vendor_id;
     u_int vendor_type;
     u_int vendor_length;
 
-    if (length < 4)
-        goto trunc;
-    ND_TCHECK_4(data);
-    vendor_id = EXTRACT_BE_U_4(data);
+    ND_ICHECK_U(length, <, 4);
+    vendor_id = GET_BE_U_4(data);
     data+=4;
     length-=4;
 
     data+=4;
     length-=4;
 
-    ND_PRINT((ndo, "Vendor: %s (%u)",
+    ND_PRINT("Vendor: %s (%u)",
            tok2str(smi_values,"Unknown",vendor_id),
            tok2str(smi_values,"Unknown",vendor_id),
-           vendor_id));
+           vendor_id);
 
     while (length >= 2) {
 
     while (length >= 2) {
-       ND_TCHECK_2(data);
-
-        vendor_type = EXTRACT_U_1(data);
-        vendor_length = EXTRACT_U_1(data + 1);
-
-        if (vendor_length < 2)
-        {
-            ND_PRINT((ndo, "\n\t    Vendor Attribute: %u, Length: %u (bogus, must be >= 2)",
-                   vendor_type,
-                   vendor_length));
-            return;
-        }
-        if (vendor_length > length)
-        {
-            ND_PRINT((ndo, "\n\t    Vendor Attribute: %u, Length: %u (bogus, goes past end of vendor-specific attribute)",
-                   vendor_type,
-                   vendor_length));
-            return;
-        }
+        vendor_type = GET_U_1(data);
+        vendor_length = GET_U_1(data + 1);
+
+        ND_PRINT("\n\t    Vendor Attribute: %u, length: %u",
+                 vendor_type, vendor_length);
+        ND_ICHECKMSG_U("length", vendor_length, <, 2);
+        ND_ICHECKMSG_U("length", vendor_length, >, length);
         data+=2;
         vendor_length-=2;
         length-=2;
         data+=2;
         vendor_length-=2;
         length-=2;
-       ND_TCHECK2(*data, vendor_length);
 
 
-        ND_PRINT((ndo, "\n\t    Vendor Attribute: %u, Length: %u, Value: ",
-               vendor_type,
-               vendor_length));
+        ND_PRINT(", value: ");
         for (idx = 0; idx < vendor_length ; idx++, data++)
         for (idx = 0; idx < vendor_length ; idx++, data++)
-            ND_PRINT((ndo, "%c", ND_ISPRINT(EXTRACT_U_1(data)) ? EXTRACT_U_1(data) : '.'));
+            ND_PRINT("%c", ND_ASCII_ISPRINT(GET_U_1(data)) ? GET_U_1(data) : '.');
         length-=vendor_length;
     }
     return;
 
         length-=vendor_length;
     }
     return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+    nd_print_invalid(ndo);
 }
 
 /******************************/
 }
 
 /******************************/
@@ -711,53 +868,42 @@ print_vendor_attr(netdissect_options *ndo,
 /******************************/
 static void
 print_attr_num(netdissect_options *ndo,
 /******************************/
 static void
 print_attr_num(netdissect_options *ndo,
-               register const u_char *data, u_int length, u_short attr_code)
+               const u_char *data, u_int length, u_short attr_code)
 {
    uint32_t timeout;
 
 {
    uint32_t timeout;
 
-   if (length != 4)
-   {
-       ND_PRINT((ndo, "ERROR: length %u != 4", length));
-       return;
-   }
+   ND_ICHECK_U(length, !=, 4);
 
 
-   ND_TCHECK_4(data);
                           /* This attribute has standard values */
                           /* This attribute has standard values */
-   if (attr_type[attr_code].siz_subtypes)
-   {
+   if (attr_type[attr_code].siz_subtypes) {
       static const char **table;
       uint32_t data_value;
       table = attr_type[attr_code].subtypes;
 
       static const char **table;
       uint32_t data_value;
       table = attr_type[attr_code].subtypes;
 
-      if ( (attr_code == TUNNEL_TYPE) || (attr_code == TUNNEL_MEDIUM) )
-      {
-         if (!EXTRACT_U_1(data))
-            ND_PRINT((ndo, "Tag[Unused] "));
+      if ( (attr_code == TUNNEL_TYPE) || (attr_code == TUNNEL_MEDIUM) ) {
+         if (!GET_U_1(data))
+            ND_PRINT("Tag[Unused] ");
          else
          else
-            ND_PRINT((ndo, "Tag[%d] ", EXTRACT_U_1(data)));
+            ND_PRINT("Tag[%u] ", GET_U_1(data));
          data++;
          data++;
-         data_value = EXTRACT_BE_U_3(data);
-      }
-      else
-      {
-         data_value = EXTRACT_BE_U_4(data);
+         data_value = GET_BE_U_3(data);
+      } else {
+         data_value = GET_BE_U_4(data);
       }
       if ( data_value <= (uint32_t)(attr_type[attr_code].siz_subtypes - 1 +
             attr_type[attr_code].first_subtype) &&
           data_value >= attr_type[attr_code].first_subtype )
       }
       if ( data_value <= (uint32_t)(attr_type[attr_code].siz_subtypes - 1 +
             attr_type[attr_code].first_subtype) &&
           data_value >= attr_type[attr_code].first_subtype )
-         ND_PRINT((ndo, "%s", table[data_value]));
+         ND_PRINT("%s", table[data_value]);
       else
       else
-         ND_PRINT((ndo, "#%u", data_value));
-   }
-   else
-   {
+         ND_PRINT("#%u", data_value);
+   } else {
       switch(attr_code) /* Be aware of special cases... */
       {
         case FRM_IPX:
       switch(attr_code) /* Be aware of special cases... */
       {
         case FRM_IPX:
-             if (EXTRACT_BE_U_4(data) == 0xFFFFFFFE )
-                ND_PRINT((ndo, "NAS Select"));
+             if (GET_BE_U_4(data) == 0xFFFFFFFE )
+                ND_PRINT("NAS Select");
              else
              else
-                ND_PRINT((ndo, "%d", EXTRACT_BE_U_4(data)));
+                ND_PRINT("%u", GET_BE_U_4(data));
           break;
 
         case SESSION_TIMEOUT:
           break;
 
         case SESSION_TIMEOUT:
@@ -765,64 +911,62 @@ print_attr_num(netdissect_options *ndo,
         case ACCT_DELAY:
         case ACCT_SESSION_TIME:
         case ACCT_INT_INTERVAL:
         case ACCT_DELAY:
         case ACCT_SESSION_TIME:
         case ACCT_INT_INTERVAL:
-             timeout = EXTRACT_BE_U_4(data);
+             timeout = GET_BE_U_4(data);
              if ( timeout < 60 )
              if ( timeout < 60 )
-                ND_PRINT((ndo,  "%02d secs", timeout));
-             else
-             {
+                ND_PRINT("%02d secs", timeout);
+             else {
                 if ( timeout < 3600 )
                 if ( timeout < 3600 )
-                   ND_PRINT((ndo,  "%02d:%02d min",
-                          timeout / 60, timeout % 60));
+                   ND_PRINT("%02d:%02d min",
+                          timeout / 60, timeout % 60);
                 else
                 else
-                   ND_PRINT((ndo, "%02d:%02d:%02d hours",
+                   ND_PRINT("%02d:%02d:%02d hours",
                           timeout / 3600, (timeout % 3600) / 60,
                           timeout / 3600, (timeout % 3600) / 60,
-                          timeout % 60));
+                          timeout % 60);
              }
           break;
 
         case FRM_ATALK_LINK:
              }
           break;
 
         case FRM_ATALK_LINK:
-             if (EXTRACT_BE_U_4(data))
-                ND_PRINT((ndo, "%d", EXTRACT_BE_U_4(data)));
+             if (GET_BE_U_4(data))
+                ND_PRINT("%u", GET_BE_U_4(data));
              else
              else
-                ND_PRINT((ndo, "Unnumbered"));
+                ND_PRINT("Unnumbered");
           break;
 
         case FRM_ATALK_NETWORK:
           break;
 
         case FRM_ATALK_NETWORK:
-             if (EXTRACT_BE_U_4(data))
-                ND_PRINT((ndo, "%d", EXTRACT_BE_U_4(data)));
+             if (GET_BE_U_4(data))
+                ND_PRINT("%u", GET_BE_U_4(data));
              else
              else
-                ND_PRINT((ndo, "NAS assigned"));
+                ND_PRINT("NAS assigned");
           break;
 
         case TUNNEL_PREFERENCE:
           break;
 
         case TUNNEL_PREFERENCE:
-            if (EXTRACT_U_1(data))
-               ND_PRINT((ndo, "Tag[%d] ", EXTRACT_U_1(data)));
+            if (GET_U_1(data))
+               ND_PRINT("Tag[%u] ", GET_U_1(data));
             else
             else
-               ND_PRINT((ndo, "Tag[Unused] "));
+               ND_PRINT("Tag[Unused] ");
             data++;
             data++;
-            ND_PRINT((ndo, "%d", EXTRACT_BE_U_3(data)));
+            ND_PRINT("%u", GET_BE_U_3(data));
           break;
 
         case EGRESS_VLAN_ID:
           break;
 
         case EGRESS_VLAN_ID:
-            ND_PRINT((ndo, "%s (0x%02x) ",
-                   tok2str(rfc4675_tagged,"Unknown tag",EXTRACT_U_1(data)),
-                   EXTRACT_U_1(data)));
+            ND_PRINT("%s (0x%02x) ",
+                   tok2str(rfc4675_tagged,"Unknown tag",GET_U_1(data)),
+                   GET_U_1(data));
             data++;
             data++;
-            ND_PRINT((ndo, "%d", EXTRACT_BE_U_3(data)));
+            ND_PRINT("%u", GET_BE_U_3(data));
           break;
 
         default:
           break;
 
         default:
-             ND_PRINT((ndo, "%d", EXTRACT_BE_U_4(data)));
+             ND_PRINT("%u", GET_BE_U_4(data));
           break;
 
       } /* switch */
 
    } /* if-else */
           break;
 
       } /* switch */
 
    } /* if-else */
-
    return;
 
    return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 /*****************************/
 }
 
 /*****************************/
@@ -834,38 +978,30 @@ print_attr_num(netdissect_options *ndo,
 /*****************************/
 static void
 print_attr_address(netdissect_options *ndo,
 /*****************************/
 static void
 print_attr_address(netdissect_options *ndo,
-                   register const u_char *data, u_int length, u_short attr_code)
+                   const u_char *data, u_int length, u_short attr_code)
 {
 {
-   if (length != 4)
-   {
-       ND_PRINT((ndo, "ERROR: length %u != 4", length));
-       return;
-   }
-
-   ND_TCHECK_4(data);
+   ND_ICHECK_U(length, !=, 4);
 
 
-   switch(attr_code)
-   {
+   switch(attr_code) {
       case FRM_IPADDR:
       case LOG_IPHOST:
       case FRM_IPADDR:
       case LOG_IPHOST:
-           if (EXTRACT_BE_U_4(data) == 0xFFFFFFFF )
-              ND_PRINT((ndo, "User Selected"));
+           if (GET_BE_U_4(data) == 0xFFFFFFFF )
+              ND_PRINT("User Selected");
            else
            else
-              if (EXTRACT_BE_U_4(data) == 0xFFFFFFFE )
-                 ND_PRINT((ndo, "NAS Select"));
+              if (GET_BE_U_4(data) == 0xFFFFFFFE )
+                 ND_PRINT("NAS Select");
               else
               else
-                 ND_PRINT((ndo, "%s",ipaddr_string(ndo, data)));
+                 ND_PRINT("%s",GET_IPADDR_STRING(data));
       break;
 
       default:
       break;
 
       default:
-          ND_PRINT((ndo, "%s", ipaddr_string(ndo, data)));
+          ND_PRINT("%s", GET_IPADDR_STRING(data));
       break;
    }
       break;
    }
-
    return;
 
    return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 /*****************************/
 }
 
 /*****************************/
@@ -877,55 +1013,176 @@ print_attr_address(netdissect_options *ndo,
 /*****************************/
 static void
 print_attr_address6(netdissect_options *ndo,
 /*****************************/
 static void
 print_attr_address6(netdissect_options *ndo,
-                   register const u_char *data, u_int length, u_short attr_code _U_)
+                   const u_char *data, u_int length, u_short attr_code _U_)
 {
 {
-   if (length != 16)
-   {
-       ND_PRINT((ndo, "ERROR: length %u != 16", length));
-       return;
-   }
-
-   ND_TCHECK_16(data);
-
-   ND_PRINT((ndo, "%s", ip6addr_string(ndo, data)));
+   ND_ICHECK_U(length, !=, 16);
 
 
+   ND_PRINT("%s", GET_IP6ADDR_STRING(data));
    return;
 
    return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 static void
 print_attr_netmask6(netdissect_options *ndo,
 }
 
 static void
 print_attr_netmask6(netdissect_options *ndo,
-                    register const u_char *data, u_int length, u_short attr_code _U_)
+                    const u_char *data, u_int length, u_short attr_code _U_)
 {
    u_char data2[16];
 {
    u_char data2[16];
-
-   if (length < 2 || length > 18)
-   {
-       ND_PRINT((ndo, "ERROR: length %u not in range (2..18)", length));
-       return;
-   }
-   ND_TCHECK2(data[0], length);
-   if (EXTRACT_U_1(data + 1) > 128)
-   {
-      ND_PRINT((ndo, "ERROR: netmask %u not in range (0..128)", EXTRACT_U_1(data + 1)));
-      return;
-   }
-
+   u_int reserved_mbz, prefix_length;
+
+   ND_ICHECK_U(length, <, 2);
+   ND_ICHECK_U(length, >, 18);
+   reserved_mbz = GET_U_1(data);
+   if (reserved_mbz)
+      ND_PRINT("[reserved-MBZ %u] ", reserved_mbz);
+   prefix_length = GET_U_1(data + 1);
+   ND_ICHECKMSG_U("prefix length", prefix_length, >, 128);
    memset(data2, 0, sizeof(data2));
    if (length > 2)
    memset(data2, 0, sizeof(data2));
    if (length > 2)
-      memcpy(data2, data+2, length-2);
+      GET_CPY_BYTES(data2, data+2, length-2);
+
+   ND_PRINT("%s/%u", ip6addr_string(ndo, data2), prefix_length); /* local buffer, not packet data; don't use GET_IP6ADDR_STRING() */
+
+   ND_ICHECKMSG_U("inconsistent prefix length", prefix_length, >, 8 * (length - 2));
+
+   return;
+
+invalid:
+   nd_print_invalid(ndo);
+}
+
+static void
+print_attr_mip6_home_link_prefix(netdissect_options *ndo,
+                    const u_char *data, u_int length, u_short attr_code _U_)
+{
+   ND_ICHECK_U(length, !=, 17);
+   ND_ICHECKMSG_U("prefix length", GET_U_1(data), >, 128);
+
+   ND_PRINT("%s/%u", GET_IP6ADDR_STRING(data + 1), GET_U_1(data));
+
+   return;
+
+invalid:
+   nd_print_invalid(ndo);
+}
+
+static void
+print_attr_operator_name(netdissect_options *ndo,
+                    const u_char *data, u_int length, u_short attr_code _U_)
+{
+   u_int namespace_value;
+
+   ND_ICHECK_U(length, <, 2);
+   namespace_value = GET_U_1(data);
+   data++;
+   ND_PRINT("[%s] ", tok2str(operator_name_vector, "unknown namespace %u", namespace_value));
+
+   nd_printjn(ndo, data, length - 1);
+
+   return;
+
+invalid:
+   nd_print_invalid(ndo);
+}
+
+static void
+print_attr_location_information(netdissect_options *ndo,
+                    const u_char *data, u_int length, u_short attr_code _U_)
+{
+   uint16_t index;
+   uint8_t code, entity;
+
+   ND_ICHECK_U(length, <, 21);
+
+   index = GET_BE_U_2(data);
+   data += 2;
+
+   code = GET_U_1(data);
+   data++;
+
+   entity = GET_U_1(data);
+   data++;
+
+   ND_PRINT("index %u, code %s, entity %s, ",
+       index,
+       tok2str(location_information_code_vector, "Unknown (%u)", code),
+       tok2str(location_information_entity_vector, "Unknown (%u)", entity)
+   );
+
+   ND_PRINT("sighting time ");
+   p_ntp_time(ndo, (const struct l_fixedpt *)data);
+   ND_PRINT(", ");
+   data += 8;
 
 
-   ND_PRINT((ndo, "%s/%u", ip6addr_string(ndo, data2), EXTRACT_U_1(data + 1)));
+   ND_PRINT("time to live ");
+   p_ntp_time(ndo, (const struct l_fixedpt *)data);
+   ND_PRINT(", ");
+   data += 8;
 
 
-   if (EXTRACT_U_1(data + 1) > 8 * (length - 2))
-      ND_PRINT((ndo, " (inconsistent prefix length)"));
+   ND_PRINT("method \"");
+   nd_printjn(ndo, data, length - 20);
+   ND_PRINT("\"");
 
    return;
 
 
    return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
+}
+
+static void
+print_attr_location_data(netdissect_options *ndo,
+                    const u_char *data, u_int length, u_short attr_code _U_)
+{
+   uint16_t index;
+
+   ND_ICHECK_U(length, <, 3);
+
+   index = GET_BE_U_2(data);
+   data += 2;
+   ND_PRINT("index %u, location", index);
+
+   /* The Location field of the String field of the Location-Data attribute
+    * can have two completely different structures depending on the value of
+    * the Code field of a Location-Info attribute, which supposedly precedes
+    * the current attribute. Unfortunately, this choice of encoding makes it
+    * non-trivial to decode the Location field without preserving some state
+    * between the attributes.
+    */
+   hex_and_ascii_print(ndo, "\n\t    ", data, length - 2);
+
+   return;
+
+invalid:
+   nd_print_invalid(ndo);
+}
+
+static void
+print_basic_location_policy_rules(netdissect_options *ndo,
+                    const u_char *data, u_int length, u_short attr_code _U_)
+{
+   uint16_t flags;
+
+   ND_ICHECK_U(length, <, 10);
+
+   flags = GET_BE_U_2(data);
+   data += 2;
+   ND_PRINT("flags [%s], ", bittok2str(blpr_bm, "none", flags));
+
+   ND_PRINT("retention expires ");
+   p_ntp_time(ndo, (const struct l_fixedpt *)data);
+   data += 8;
+
+   if (length > 10) {
+      ND_PRINT(", note well \"");
+      nd_printjn(ndo, data, length - 10);
+      ND_PRINT("\"");
+   }
+
+   return;
+
+invalid:
+   nd_print_invalid(ndo);
 }
 
 /*************************************/
 }
 
 /*************************************/
@@ -938,28 +1195,52 @@ print_attr_netmask6(netdissect_options *ndo,
 /*************************************/
 static void
 print_attr_time(netdissect_options *ndo,
 /*************************************/
 static void
 print_attr_time(netdissect_options *ndo,
-                register const u_char *data, u_int length, u_short attr_code _U_)
+                const u_char *data, u_int length, u_short attr_code _U_)
 {
    time_t attr_time;
    char string[26];
 
 {
    time_t attr_time;
    char string[26];
 
-   if (length != 4)
-   {
-       ND_PRINT((ndo, "ERROR: length %u != 4", length));
-       return;
-   }
-
-   ND_TCHECK_4(data);
+   ND_ICHECK_U(length, !=, 4);
 
 
-   attr_time = EXTRACT_BE_U_4(data);
+   attr_time = GET_BE_U_4(data);
    strlcpy(string, ctime(&attr_time), sizeof(string));
    /* Get rid of the newline */
    string[24] = '\0';
    strlcpy(string, ctime(&attr_time), sizeof(string));
    /* Get rid of the newline */
    string[24] = '\0';
-   ND_PRINT((ndo, "%.24s", string));
+   ND_PRINT("%.24s", string);
+   return;
+
+invalid:
+   nd_print_invalid(ndo);
+}
+
+static void
+print_attr_vector64(netdissect_options *ndo,
+                   const u_char *data, u_int length, u_short attr_code _U_)
+{
+   uint64_t data_value, i;
+   const char *sep = "";
+
+   ND_ICHECK_U(length, !=, 8);
+
+   ND_PRINT("[");
+
+   data_value = GET_BE_U_8(data);
+   /* Print the 64-bit field in a format similar to bittok2str(), less
+    * flagging any unknown bits. This way it should be easier to replace
+    * the custom code with a library function later.
+    */
+   for (i = 0; i < TAM_SIZE(mip6_feature_vector); i++) {
+       if (data_value & mip6_feature_vector[i].v) {
+           ND_PRINT("%s%s", sep, mip6_feature_vector[i].s);
+           sep = ", ";
+       }
+   }
+
+   ND_PRINT("]");
    return;
 
    return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 /***********************************/
 }
 
 /***********************************/
@@ -971,192 +1252,148 @@ print_attr_time(netdissect_options *ndo,
 /***********************************/
 static void
 print_attr_strange(netdissect_options *ndo,
 /***********************************/
 static void
 print_attr_strange(netdissect_options *ndo,
-                   register const u_char *data, u_int length, u_short attr_code)
+                   const u_char *data, u_int length, u_short attr_code)
 {
    u_short len_data;
    u_int error_cause_value;
 
 {
    u_short len_data;
    u_int error_cause_value;
 
-   switch(attr_code)
-   {
+   switch(attr_code) {
       case ARAP_PASS:
       case ARAP_PASS:
-           if (length != 16)
-           {
-               ND_PRINT((ndo, "ERROR: length %u != 16", length));
-               return;
-           }
-           ND_PRINT((ndo, "User_challenge ("));
-           ND_TCHECK_8(data);
+           ND_ICHECK_U(length, !=, 16);
+           ND_PRINT("User_challenge (");
            len_data = 8;
            PRINT_HEX(len_data, data);
            len_data = 8;
            PRINT_HEX(len_data, data);
-           ND_PRINT((ndo, ") User_resp("));
-           ND_TCHECK_8(data);
+           ND_PRINT(") User_resp(");
            len_data = 8;
            PRINT_HEX(len_data, data);
            len_data = 8;
            PRINT_HEX(len_data, data);
-           ND_PRINT((ndo, ")"));
+           ND_PRINT(")");
         break;
 
       case ARAP_FEATURES:
         break;
 
       case ARAP_FEATURES:
-           if (length != 14)
-           {
-               ND_PRINT((ndo, "ERROR: length %u != 14", length));
-               return;
-           }
-           ND_TCHECK_1(data);
-           if (EXTRACT_U_1(data))
-              ND_PRINT((ndo, "User can change password"));
+           ND_ICHECK_U(length, !=, 14);
+           if (GET_U_1(data))
+              ND_PRINT("User can change password");
            else
            else
-              ND_PRINT((ndo, "User cannot change password"));
+              ND_PRINT("User cannot change password");
            data++;
            data++;
-           ND_TCHECK_1(data);
-           ND_PRINT((ndo, ", Min password length: %d", EXTRACT_U_1(data)));
+           ND_PRINT(", Min password length: %u", GET_U_1(data));
            data++;
            data++;
-           ND_PRINT((ndo, ", created at: "));
-           ND_TCHECK_4(data);
+           ND_PRINT(", created at: ");
            len_data = 4;
            PRINT_HEX(len_data, data);
            len_data = 4;
            PRINT_HEX(len_data, data);
-           ND_PRINT((ndo, ", expires in: "));
-           ND_TCHECK_4(data);
+           ND_PRINT(", expires in: ");
            len_data = 4;
            PRINT_HEX(len_data, data);
            len_data = 4;
            PRINT_HEX(len_data, data);
-           ND_PRINT((ndo, ", Current Time: "));
-           ND_TCHECK_4(data);
+           ND_PRINT(", Current Time: ");
            len_data = 4;
            PRINT_HEX(len_data, data);
         break;
 
       case ARAP_CHALLENGE_RESP:
            len_data = 4;
            PRINT_HEX(len_data, data);
         break;
 
       case ARAP_CHALLENGE_RESP:
-           if (length < 8)
-           {
-               ND_PRINT((ndo, "ERROR: length %u != 8", length));
-               return;
-           }
-           ND_TCHECK_8(data);
+           ND_ICHECK_U(length, !=, 8);
            len_data = 8;
            PRINT_HEX(len_data, data);
         break;
 
       case ERROR_CAUSE:
            len_data = 8;
            PRINT_HEX(len_data, data);
         break;
 
       case ERROR_CAUSE:
-           if (length != 4)
-           {
-               ND_PRINT((ndo, "Error: length %u != 4", length));
-               return;
-           }
-           ND_TCHECK_4(data);
-
-           error_cause_value = EXTRACT_BE_U_4(data);
-           ND_PRINT((ndo, "Error cause %u: %s", error_cause_value, tok2str(errorcausetype, "Error-Cause %u not known", error_cause_value)));
+           ND_ICHECK_U(length, !=, 4);
+           error_cause_value = GET_BE_U_4(data);
+           ND_PRINT("Error cause %u: %s", error_cause_value, tok2str(errorcausetype, "Error-Cause %u not known", error_cause_value));
         break;
    }
    return;
 
         break;
    }
    return;
 
-   trunc:
-     ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 static void
 radius_attrs_print(netdissect_options *ndo,
 }
 
 static void
 radius_attrs_print(netdissect_options *ndo,
-                   register const u_char *attr, u_int length)
+                   const u_char *attr, u_int length)
 {
 {
-   register const struct radius_attr *rad_attr = (const struct radius_attr *)attr;
+   const struct radius_attr *rad_attr = (const struct radius_attr *)attr;
    const char *attr_string;
    const char *attr_string;
+   uint8_t type, len;
 
 
-   while (length > 0)
-   {
-     if (length < 2)
-        goto trunc;
-     ND_TCHECK(*rad_attr);
+   while (length != 0) {
+     ND_ICHECK_U(length, <, 2);
 
 
-     if (rad_attr->type > 0 && rad_attr->type < TAM_SIZE(attr_type))
-       attr_string = attr_type[rad_attr->type].name;
+     type = GET_U_1(rad_attr->type);
+     len = GET_U_1(rad_attr->len);
+     if (type != 0 && type < TAM_SIZE(attr_type))
+       attr_string = attr_type[type].name;
      else
        attr_string = "Unknown";
      else
        attr_string = "Unknown";
-     if (rad_attr->len < 2)
-     {
-       ND_PRINT((ndo, "\n\t  %s Attribute (%u), length: %u (bogus, must be >= 2)",
-               attr_string,
-               rad_attr->type,
-               rad_attr->len));
-       return;
-     }
-     if (rad_attr->len > length)
-     {
-       ND_PRINT((ndo, "\n\t  %s Attribute (%u), length: %u (bogus, goes past end of packet)",
+
+     ND_PRINT("\n\t  %s Attribute (%u), length: %u",
                attr_string,
                attr_string,
-               rad_attr->type,
-               rad_attr->len));
-        return;
-     }
-     ND_PRINT((ndo, "\n\t  %s Attribute (%u), length: %u, Value: ",
-            attr_string,
-            rad_attr->type,
-            rad_attr->len));
-
-     if (rad_attr->type < TAM_SIZE(attr_type))
-     {
-         if (rad_attr->len > 2)
-         {
-             if ( attr_type[rad_attr->type].print_func )
-                 (*attr_type[rad_attr->type].print_func)(
+               type,
+               len);
+     ND_ICHECKMSG_U("length", len, <, 2);
+     ND_ICHECKMSG_U("length", len, >, length);
+     ND_PRINT(", Value: ");
+
+     if (type < TAM_SIZE(attr_type)) {
+         if (len > 2) {
+             if ( attr_type[type].print_func )
+                 (*attr_type[type].print_func)(
                      ndo, ((const u_char *)(rad_attr+1)),
                      ndo, ((const u_char *)(rad_attr+1)),
-                     rad_attr->len - 2, rad_attr->type);
+                     len - 2, type);
          }
      }
      /* do we also want to see a hex dump ? */
      if (ndo->ndo_vflag> 1)
          }
      }
      /* do we also want to see a hex dump ? */
      if (ndo->ndo_vflag> 1)
-         print_unknown_data(ndo, (const u_char *)rad_attr+2, "\n\t    ", (rad_attr->len)-2);
+         print_unknown_data(ndo, (const u_char *)rad_attr+2, "\n\t    ", (len)-2);
 
 
-     length-=(rad_attr->len);
-     rad_attr = (const struct radius_attr *)( ((const char *)(rad_attr))+rad_attr->len);
+     length-=(len);
+     rad_attr = (const struct radius_attr *)( ((const char *)(rad_attr))+len);
    }
    return;
 
    }
    return;
 
-trunc:
-   ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 
 void
 radius_print(netdissect_options *ndo,
 }
 
 void
 radius_print(netdissect_options *ndo,
-             const u_char *dat, u_int length)
+             const u_char *dat, const u_int length)
 {
 {
-   register const struct radius_hdr *rad;
+   const struct radius_hdr *rad;
    u_int len, auth_idx;
 
    u_int len, auth_idx;
 
-   ND_TCHECK2(*dat, MIN_RADIUS_LEN);
+   ndo->ndo_protocol = "radius";
+   nd_print_protocol_caps(ndo);
+   ND_ICHECK_U(length, <, MIN_RADIUS_LEN);
    rad = (const struct radius_hdr *)dat;
    rad = (const struct radius_hdr *)dat;
-   len = EXTRACT_BE_U_2(&rad->len);
+   len = GET_BE_U_2(rad->len);
 
 
-   if (len < MIN_RADIUS_LEN)
-   {
-         ND_PRINT((ndo, "%s", tstr));
-         return;
-   }
-
-   if (len > length)
-         len = length;
+   ND_ICHECKMSG_U("length", len, <, MIN_RADIUS_LEN);
+   ND_ICHECKMSG_U("length", len, >, 4096);
+   ND_ICHECKMSG_U("length", len, >, length);
 
    if (ndo->ndo_vflag < 1) {
 
    if (ndo->ndo_vflag < 1) {
-       ND_PRINT((ndo, "RADIUS, %s (%u), id: 0x%02x length: %u",
-              tok2str(radius_command_values,"Unknown Command",rad->code),
-              rad->code,
-              rad->id,
-              len));
+       ND_PRINT(", %s (%u), id: 0x%02x, length: %u",
+              tok2str(radius_command_values,"Unknown Command",GET_U_1(rad->code)),
+              GET_U_1(rad->code),
+              GET_U_1(rad->id),
+              len);
+       ND_TCHECK_LEN(dat, MIN_RADIUS_LEN);
        return;
        return;
-   }
-   else {
-       ND_PRINT((ndo, "RADIUS, length: %u\n\t%s (%u), id: 0x%02x, Authenticator: ",
+   } else {
+       ND_PRINT(", length: %u\n\t%s (%u), id: 0x%02x, Authenticator: ",
               len,
               len,
-              tok2str(radius_command_values,"Unknown Command",rad->code),
-              rad->code,
-              rad->id));
+              tok2str(radius_command_values,"Unknown Command",GET_U_1(rad->code)),
+              GET_U_1(rad->code),
+              GET_U_1(rad->id));
 
        for(auth_idx=0; auth_idx < 16; auth_idx++)
 
        for(auth_idx=0; auth_idx < 16; auth_idx++)
-            ND_PRINT((ndo, "%02x", rad->auth[auth_idx]));
+            ND_PRINT("%02x", GET_U_1((rad->auth + auth_idx)));
    }
 
    if (len > MIN_RADIUS_LEN)
       radius_attrs_print(ndo, dat + MIN_RADIUS_LEN, len - MIN_RADIUS_LEN);
    return;
 
    }
 
    if (len > MIN_RADIUS_LEN)
       radius_attrs_print(ndo, dat + MIN_RADIUS_LEN, len - MIN_RADIUS_LEN);
    return;
 
-trunc:
-   ND_PRINT((ndo, "%s", tstr));
+invalid:
+   nd_print_invalid(ndo);
 }
 }
[mirror] the TCPdump network dissector