CVE-2017-13687/CHDLC: Improve bounds and length checks.

[tcpdump] / netdissect.h

diff --git a/netdissect.h b/netdissect.h
index d8a6f121800ef8588a28f9919e32f2087bd0c18a..c838d0d6cfb73e1bfc0085aae177993d4426f506 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -34,25 +34,62 @@
 #define __attribute__(x)
 #endif
 
 #define __attribute__(x)
 #endif
 

+/*
+ * Data types corresponding to multi-byte integral values within data
+ * structures.  These are defined as arrays of octets, so that they're
+ * not aligned on their "natural" boundaries, and so that you *must*
+ * use the EXTRACT_ macros to extract them (which you should be doing
+ * *anyway*, so as not to assume a particular byte order or alignment
+ * in your code).
+ */
+typedef unsigned char nd_uint16_t[2];
+typedef unsigned char nd_uint24_t[3];
+typedef unsigned char nd_uint32_t[4];
+typedef unsigned char nd_uint40_t[5];
+typedef unsigned char nd_uint48_t[6];
+typedef unsigned char nd_uint56_t[7];
+typedef unsigned char nd_uint64_t[8];
+
+/*
+ * Use this for IPv4 addresses.  It's defined as an array of octets, so
+ * that it's not aligned on its "natural" boundary, and it's defined as
+ * a structure in the hopes that this makes it harder to naively use
+ * EXTRACT_32BITS() to extract the value - in many cases you just want
+ * to use UNALIGNED_MEMCPY() to copy its value, so that it remains in
+ * network byte order.
+ */
+typedef struct {
+       unsigned char bytes[4];
+} nd_ipv4;
+
+/*
+ * Data types corresponding to single-byte integral values, for
+ * completeness.
+ */
+typedef unsigned char nd_uint8_t;
+typedef signed char nd_int8_t;
+

 /* snprintf et al */
 
 #include <stdarg.h>
 /* snprintf et al */
 
 #include <stdarg.h>

+#include <pcap.h>
+
+#include "ip.h" /* struct ip for nextproto4_cksum() */
+#include "ip6.h" /* struct ip6 for nextproto6_cksum() */
+
+extern int32_t thiszone;       /* seconds offset from gmt to local time */
+/* invalid string to print '(invalid)' for malformed or corrupted packets */
+extern const char istr[];

 
 #if !defined(HAVE_SNPRINTF)
 
 #if !defined(HAVE_SNPRINTF)

-int snprintf (char *str, size_t sz, const char *format, ...)
-#ifdef __ATTRIBUTE___FORMAT_OK
-     __attribute__((format (printf, 3, 4)))
-#endif /* __ATTRIBUTE___FORMAT_OK */
-     ;
+int snprintf (char *str, size_t sz, FORMAT_STRING(const char *format), ...)
+     PRINTFLIKE(3, 4);

 #endif /* !defined(HAVE_SNPRINTF) */
 
 #if !defined(HAVE_VSNPRINTF)
 #endif /* !defined(HAVE_SNPRINTF) */
 
 #if !defined(HAVE_VSNPRINTF)

-int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
-#ifdef __ATTRIBUTE___FORMAT_OK
-     __attribute__((format (printf, 3, 0)))
-#endif /* __ATTRIBUTE___FORMAT_OK */
-     ;
-#endif /* !defined(HAVE_SNPRINTF) */
+int vsnprintf (char *str, size_t sz, FORMAT_STRING(const char *format),
+     va_list ap) PRINTFLIKE(3, 0);
+#endif /* !defined(HAVE_VSNPRINTF) */

 
 #ifndef HAVE_STRLCAT
 extern size_t strlcat (char *, const char *, size_t);
 
 #ifndef HAVE_STRLCAT
 extern size_t strlcat (char *, const char *, size_t);


@@ -70,24 +107,39 @@ extern char *strsep(char **, const char *);
 #endif
 
 struct tok {
 #endif
 
 struct tok {

-       int v;                  /* value */
+       u_int v;                /* value */

        const char *s;          /* string */
 };
 
        const char *s;          /* string */
 };
 

-#define TOKBUFSIZE 128
-extern const char *tok2strbuf(const struct tok *, const char *, int,
+extern const char *tok2strbuf(const struct tok *, const char *, u_int,

                              char *buf, size_t bufsize);
 
 /* tok2str is deprecated */
                              char *buf, size_t bufsize);
 
 /* tok2str is deprecated */

-extern const char *tok2str(const struct tok *, const char *, int);
-extern char *bittok2str(const struct tok *, const char *, int);
-extern char *bittok2str_nosep(const struct tok *, const char *, int);
-
+extern const char *tok2str(const struct tok *, const char *, u_int);
+extern char *bittok2str(const struct tok *, const char *, u_int);
+extern char *bittok2str_nosep(const struct tok *, const char *, u_int);
+
+/* Initialize netdissect. */
+extern int nd_init(char *, size_t);
+/* Clean up netdissect. */
+extern void nd_cleanup(void);
+
+/* Do we have libsmi support? */
+extern int nd_have_smi_support(void);
+/* Load an SMI module. */
+extern int nd_load_smi_module(const char *, char *, size_t);
+/* Flag indicating whether an SMI module has been loaded. */
+extern int nd_smi_module_loaded;
+/* Version number of the SMI library, or NULL if we don't have libsmi support. */
+extern const char *nd_smi_version_string(void);

 
 typedef struct netdissect_options netdissect_options;
 
 
 typedef struct netdissect_options netdissect_options;
 

+#define IF_PRINTER_ARGS (netdissect_options *, const struct pcap_pkthdr *, const u_char *)
+
+typedef u_int (*if_printer) IF_PRINTER_ARGS;
+

 struct netdissect_options {
 struct netdissect_options {

-  int ndo_aflag;               /* translate network and broadcast addresses */

   int ndo_bflag;               /* print 4 byte ASes in ASDOT notation */
   int ndo_eflag;               /* print ethernet header */
   int ndo_fflag;               /* don't translate "foreign" IP address */
   int ndo_bflag;               /* print 4 byte ASes in ASDOT notation */
   int ndo_eflag;               /* print ethernet header */
   int ndo_fflag;               /* don't translate "foreign" IP address */


@@ -95,71 +147,50 @@ struct netdissect_options {
   int ndo_nflag;               /* leave addresses as numbers */
   int ndo_Nflag;               /* remove domains from printed host names */
   int ndo_qflag;               /* quick (shorter) output */
   int ndo_nflag;               /* leave addresses as numbers */
   int ndo_Nflag;               /* remove domains from printed host names */
   int ndo_qflag;               /* quick (shorter) output */

-  int ndo_Rflag;               /* print sequence # field in AH/ESP*/
-  int ndo_sflag;               /* use the libsmi to translate OIDs */

   int ndo_Sflag;               /* print raw TCP sequence numbers */
   int ndo_tflag;               /* print packet arrival time */
   int ndo_Sflag;               /* print raw TCP sequence numbers */
   int ndo_tflag;               /* print packet arrival time */

-  int ndo_Uflag;               /* "unbuffered" output of dump files */

   int ndo_uflag;               /* Print undecoded NFS handles */
   int ndo_uflag;               /* Print undecoded NFS handles */

-  int ndo_vflag;               /* verbose */
+  int ndo_vflag;               /* verbosity level */

   int ndo_xflag;               /* print packet in hex */
   int ndo_Xflag;               /* print packet in hex/ascii */
   int ndo_Aflag;               /* print packet only in ascii observing TAB,
                                 * LF, CR and SPACE as graphical chars
                                 */
   int ndo_xflag;               /* print packet in hex */
   int ndo_Xflag;               /* print packet in hex/ascii */
   int ndo_Aflag;               /* print packet only in ascii observing TAB,
                                 * LF, CR and SPACE as graphical chars
                                 */

-  int ndo_Bflag;               /* buffer size */
-  int ndo_Iflag;               /* rfmon (monitor) mode */
-  int ndo_Oflag;                /* run filter code optimizer */
-  int ndo_dlt;                  /* if != -1, ask libpcap for the DLT it names*/
-  int ndo_jflag;                /* packet time stamp source */
-  int ndo_pflag;                /* don't go promiscuous */
-
-  int ndo_Cflag;                /* rotate dump files after this many bytes */
-  int ndo_Cflag_count;      /* Keep track of which file number we're writing */
-  int ndo_Gflag;            /* rotate dump files after this many seconds */
-  int ndo_Gflag_count;      /* number of files created with Gflag rotation */
-  time_t ndo_Gflag_time;    /* The last time_t the dump file was rotated. */
-  int ndo_Wflag;          /* recycle output files after this number of files */
-  int ndo_WflagChars;

   int ndo_Hflag;               /* dissect 802.11s draft mesh standard */
   int ndo_Hflag;               /* dissect 802.11s draft mesh standard */

+  int ndo_packet_number;       /* print a packet number in the beginning of line */

   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */

-  const char *ndo_dltname;
+  int ndo_tstamp_precision;    /* requested time stamp precision */
+  const char *program_name;    /* Name of the program using the library */

 
   char *ndo_espsecret;
   struct sa_list *ndo_sa_list_head;  /* used by print-esp.c */
   struct sa_list *ndo_sa_default;
 
 
   char *ndo_espsecret;
   struct sa_list *ndo_sa_list_head;  /* used by print-esp.c */
   struct sa_list *ndo_sa_default;
 

-  char *ndo_sigsecret;         /* Signature verification secret key */
-
-  struct esp_algorithm *ndo_espsecret_xform;   /* cache of decoded  */
-  char                 *ndo_espsecret_key;
+  char *ndo_sigsecret;         /* Signature verification secret key */

 
   int   ndo_packettype;        /* as specified by -T */
 
 
   int   ndo_packettype;        /* as specified by -T */
 

-  char *ndo_program_name;      /*used to generate self-identifying messages */
-
-  int32_t ndo_thiszone;        /* seconds offset from gmt to local time */
-

   int   ndo_snaplen;
 
   /*global pointers to beginning and end of current packet (during printing) */
   const u_char *ndo_packetp;
   const u_char *ndo_snapend;
 
   int   ndo_snaplen;
 
   /*global pointers to beginning and end of current packet (during printing) */
   const u_char *ndo_packetp;
   const u_char *ndo_snapend;
 

-  /* bookkeeping for ^T output */
-  int ndo_infodelay;
+  /* pointer to the if_printer function */
+  if_printer ndo_if_printer;

 
   /* pointer to void function to output stuff */
   void (*ndo_default_print)(netdissect_options *,
 
   /* pointer to void function to output stuff */
   void (*ndo_default_print)(netdissect_options *,

-                     register const u_char *bp, register u_int length);
-  void (*ndo_info)(netdissect_options *, int verbose);
+                           register const u_char *bp, register u_int length);

 
 

+  /* pointer to function to do regular output */

   int  (*ndo_printf)(netdissect_options *,
                     const char *fmt, ...)
 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
                     __attribute__ ((format (printf, 2, 3)))
 #endif
                     ;
   int  (*ndo_printf)(netdissect_options *,
                     const char *fmt, ...)
 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
                     __attribute__ ((format (printf, 2, 3)))
 #endif
                     ;

+  /* pointer to function to output errors */

   void (*ndo_error)(netdissect_options *,
                    const char *fmt, ...)
 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
   void (*ndo_error)(netdissect_options *,
                    const char *fmt, ...)
 #ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS


@@ -169,6 +200,7 @@ struct netdissect_options {
                     __attribute__ ((format (printf, 2, 3)))
 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
                     ;
                     __attribute__ ((format (printf, 2, 3)))
 #endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
                     ;

+  /* pointer to function to output warnings */

   void (*ndo_warning)(netdissect_options *,
                      const char *fmt, ...)
 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
   void (*ndo_warning)(netdissect_options *,
                      const char *fmt, ...)
 #ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS


@@ -193,6 +225,7 @@ struct netdissect_options {
 #define PT_PGM         14      /* [UDP-encapsulated] Pragmatic General Multicast */
 #define PT_PGM_ZMTP1   15      /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
 #define PT_LMP         16      /* Link Management Protocol */
 #define PT_PGM         14      /* [UDP-encapsulated] Pragmatic General Multicast */
 #define PT_PGM_ZMTP1   15      /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
 #define PT_LMP         16      /* Link Management Protocol */

+#define PT_RESP                17      /* RESP */

 
 #ifndef min
 #define min(a,b) ((a)>(b)?(b):(a))
 
 #ifndef min
 #define min(a,b) ((a)>(b)?(b):(a))


@@ -201,16 +234,33 @@ struct netdissect_options {
 #define max(a,b) ((b)>(a)?(b):(a))
 #endif
 
 #define max(a,b) ((b)>(a)?(b):(a))
 #endif
 

+/* For source or destination ports tests (UDP, TCP, ...) */
+#define IS_SRC_OR_DST_PORT(p) (sport == (p) || dport == (p))
+

 /*
  * Maximum snapshot length.  This should be enough to capture the full
  * packet on most network interfaces.
  *
 /*
  * Maximum snapshot length.  This should be enough to capture the full
  * packet on most network interfaces.
  *

- * XXX - could it be larger?  If so, should it?  Some applications might
- * use the snapshot length in a savefile header to control the size of
- * the buffer they allocate, so a size of, say, 2^31-1 might not work
- * well.
+ *
+ * Somewhat arbitrary, but chosen to be:
+ *
+ *    1) big enough for maximum-size Linux loopback packets (65549)
+ *       and some USB packets captured with USBPcap:
+ *
+ *           http://desowin.org/usbpcap/
+ *
+ *       (> 131072, < 262144)
+ *
+ * and
+ *
+ *    2) small enough not to cause attempts to allocate huge amounts of
+ *       memory; some applications might use the snapshot length in a
+ *       savefile header to control the size of the buffer they allocate,
+ *       so a size of, say, 2^31-1 might not work well.
+ *
+ * XXX - does it need to be bigger still?

  */
  */

-#define MAXIMUM_SNAPLEN        65535
+#define MAXIMUM_SNAPLEN        262144

 
 /*
  * The default snapshot length is the maximum.
 
 /*
  * The default snapshot length is the maximum.


@@ -234,9 +284,30 @@ struct netdissect_options {
  * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
  *
  * The check is for <= rather than < because "l" might be 0.
  * "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
  *
  * The check is for <= rather than < because "l" might be 0.

+ *
+ * We cast the pointers to uintptr_t to make sure that the compiler
+ * doesn't optimize away any of these tests (which it is allowed to
+ * do, as adding an integer to, or subtracting an integer from, a
+ * pointer assumes that the pointer is a pointer to an element of an
+ * array and that the result of the addition or subtraction yields a
+ * pointer to another member of the array, so that, for example, if
+ * you subtract a positive integer from a pointer, the result is
+ * guaranteed to be less than the original pointer value). See
+ *
+ *     http://www.kb.cert.org/vuls/id/162289
+ */
+
+/*
+ * Test in two parts to avoid these warnings:
+ * comparison of unsigned expression >= 0 is always true [-Wtype-limits],
+ * comparison is always true due to limited range of data type [-Wtype-limits].

  */
  */

-#define ND_TTEST2(var, l) (ndo->ndo_snapend - (l) <= ndo->ndo_snapend && \
-                       (const u_char *)&(var) <= ndo->ndo_snapend - (l))
+#define IS_NOT_NEGATIVE(x) (((x) > 0) || ((x) == 0))
+
+#define ND_TTEST2(var, l) \
+  (IS_NOT_NEGATIVE(l) && \
+       ((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \
+         (uintptr_t)&(var) <= (uintptr_t)ndo->ndo_snapend - (l)))

 
 /* True if "var" was captured */
 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
 
 /* True if "var" was captured */
 #define ND_TTEST(var) ND_TTEST2(var, sizeof(var))


@@ -250,283 +321,337 @@ struct netdissect_options {
 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
 
 #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
 

-#if 0
-extern void ts_print(netdissect_options *ipdo,
-                    const struct timeval *);
-extern void relts_print(int);
-#endif
+extern void ts_print(netdissect_options *, const struct timeval *);
+extern void signed_relts_print(netdissect_options *, int32_t);
+extern void unsigned_relts_print(netdissect_options *, uint32_t);

 
 

-extern int fn_print(const u_char *, const u_char *);
-extern int fn_printn(const u_char *, u_int, const u_char *);
-extern const char *tok2str(const struct tok *, const char *, int);
+extern void fn_print_char(netdissect_options *, u_char);
+extern int fn_print(netdissect_options *, const u_char *, const u_char *);
+extern u_int fn_printztn(netdissect_options *ndo, const u_char *, u_int, const u_char *);
+extern int fn_printn(netdissect_options *, const u_char *, u_int, const u_char *);
+extern int fn_printzp(netdissect_options *, const u_char *, u_int, const u_char *);

 
 

-extern void wrapup(int);
+/*
+ * Flags for txtproto_print().
+ */
+#define RESP_CODE_SECOND_TOKEN 0x00000001      /* response code is second token in response line */

 
 

-#if 0
-extern char *read_infile(netdissect_options *, char *);
-extern char *copy_argv(netdissect_options *, char **);
-#endif
+extern void txtproto_print(netdissect_options *, const u_char *, u_int,
+    const char *, const char **, u_int);
+
+/*
+ * Locale-independent macros for testing character properties and
+ * stripping the 8th bit from characters.  Assumed to be handed
+ * a value between 0 and 255, i.e. don't hand them a char, as
+ * those might be in the range -128 to 127.
+ */
+#define ND_ISASCII(c)  (!((c) & 0x80)) /* value is an ASCII code point */
+#define ND_ISPRINT(c)  ((c) >= 0x20 && (c) <= 0x7E)
+#define ND_ISGRAPH(c)  ((c) > 0x20 && (c) <= 0x7E)
+#define ND_TOASCII(c)  ((c) & 0x7F)
+
+extern void safeputchar(netdissect_options *, const u_char);
+extern void safeputs(netdissect_options *, const u_char *, const u_int);

 
 

-extern void safeputchar(int);
-extern void safeputs(const char *, int);
+#ifdef LBL_ALIGN
+/*
+ * The processor doesn't natively handle unaligned loads,
+ * and the compiler might "helpfully" optimize memcpy()
+ * and memcmp(), when handed pointers that would normally
+ * be properly aligned, into sequences that assume proper
+ * alignment.
+ *
+ * Do copies and compares of possibly-unaligned data by
+ * calling routines that wrap memcpy() and memcmp(), to
+ * prevent that optimization.
+ */
+extern void unaligned_memcpy(void *, const void *, size_t);
+extern int unaligned_memcmp(const void *, const void *, size_t);
+#define UNALIGNED_MEMCPY(p, q, l)      unaligned_memcpy((p), (q), (l))
+#define UNALIGNED_MEMCMP(p, q, l)      unaligned_memcmp((p), (q), (l))
+#else
+/*
+ * The procesor natively handles unaligned loads, so just use memcpy()
+ * and memcmp(), to enable those optimizations.
+ */
+#define UNALIGNED_MEMCPY(p, q, l)      memcpy((p), (q), (l))
+#define UNALIGNED_MEMCMP(p, q, l)      memcmp((p), (q), (l))
+#endif

 
 #define PLURAL_SUFFIX(n) \
        (((n) != 1) ? "s" : "")
 
 
 #define PLURAL_SUFFIX(n) \
        (((n) != 1) ? "s" : "")
 

-#if 0
-extern const char *isonsap_string(netdissect_options *, const u_char *);
-extern const char *protoid_string(netdissect_options *, const u_char *);
-extern const char *dnname_string(netdissect_options *, u_short);
-extern const char *dnnum_string(netdissect_options *, u_short);
-#endif
+extern const char *tok2strary_internal(const char **, int, const char *, int);
+#define        tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)

 
 

-/* The printer routines. */
+extern if_printer lookup_printer(int);

 
 

-#include <pcap.h>
+/* The DLT printer routines */
+
+extern u_int ap1394_if_print IF_PRINTER_ARGS;
+extern u_int arcnet_if_print IF_PRINTER_ARGS;
+extern u_int arcnet_linux_if_print IF_PRINTER_ARGS;
+extern u_int atm_if_print IF_PRINTER_ARGS;
+extern u_int bt_if_print IF_PRINTER_ARGS;
+extern u_int chdlc_if_print IF_PRINTER_ARGS;
+extern u_int cip_if_print IF_PRINTER_ARGS;
+extern u_int enc_if_print IF_PRINTER_ARGS;
+extern u_int ether_if_print IF_PRINTER_ARGS;
+extern u_int fddi_if_print IF_PRINTER_ARGS;
+extern u_int fr_if_print IF_PRINTER_ARGS;
+extern u_int ieee802_11_if_print IF_PRINTER_ARGS;
+extern u_int ieee802_11_radio_avs_if_print IF_PRINTER_ARGS;
+extern u_int ieee802_11_radio_if_print IF_PRINTER_ARGS;
+extern u_int ieee802_15_4_if_print IF_PRINTER_ARGS;
+extern u_int ipfc_if_print IF_PRINTER_ARGS;
+extern u_int ipnet_if_print IF_PRINTER_ARGS;
+extern u_int juniper_atm1_print IF_PRINTER_ARGS;
+extern u_int juniper_atm2_print IF_PRINTER_ARGS;
+extern u_int juniper_chdlc_print IF_PRINTER_ARGS;
+extern u_int juniper_es_print IF_PRINTER_ARGS;
+extern u_int juniper_ether_print IF_PRINTER_ARGS;
+extern u_int juniper_frelay_print IF_PRINTER_ARGS;
+extern u_int juniper_ggsn_print IF_PRINTER_ARGS;
+extern u_int juniper_mfr_print IF_PRINTER_ARGS;
+extern u_int juniper_mlfr_print IF_PRINTER_ARGS;
+extern u_int juniper_mlppp_print IF_PRINTER_ARGS;
+extern u_int juniper_monitor_print IF_PRINTER_ARGS;
+extern u_int juniper_ppp_print IF_PRINTER_ARGS;
+extern u_int juniper_pppoe_atm_print IF_PRINTER_ARGS;
+extern u_int juniper_pppoe_print IF_PRINTER_ARGS;
+extern u_int juniper_services_print IF_PRINTER_ARGS;
+extern u_int lane_if_print IF_PRINTER_ARGS;
+extern u_int ltalk_if_print IF_PRINTER_ARGS;
+extern u_int mfr_if_print IF_PRINTER_ARGS;
+extern u_int netanalyzer_if_print IF_PRINTER_ARGS;
+extern u_int netanalyzer_transparent_if_print IF_PRINTER_ARGS;
+extern u_int nflog_if_print IF_PRINTER_ARGS;
+extern u_int null_if_print IF_PRINTER_ARGS;
+extern u_int pflog_if_print IF_PRINTER_ARGS;
+extern u_int pktap_if_print IF_PRINTER_ARGS;
+extern u_int ppi_if_print IF_PRINTER_ARGS;
+extern u_int ppp_bsdos_if_print IF_PRINTER_ARGS;
+extern u_int ppp_hdlc_if_print IF_PRINTER_ARGS;
+extern u_int ppp_if_print IF_PRINTER_ARGS;
+extern u_int pppoe_if_print IF_PRINTER_ARGS;
+extern u_int prism_if_print IF_PRINTER_ARGS;
+extern u_int raw_if_print IF_PRINTER_ARGS;
+extern u_int sl_bsdos_if_print IF_PRINTER_ARGS;
+extern u_int sl_if_print IF_PRINTER_ARGS;
+extern u_int sll_if_print IF_PRINTER_ARGS;
+extern u_int sunatm_if_print IF_PRINTER_ARGS;
+extern u_int symantec_if_print IF_PRINTER_ARGS;
+extern u_int token_if_print IF_PRINTER_ARGS;
+extern u_int usb_linux_48_byte_print IF_PRINTER_ARGS;
+extern u_int usb_linux_64_byte_print IF_PRINTER_ARGS;

 
 

-typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
-                               const struct pcap_pkthdr *, const u_char *);
-typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);
+/*
+ * Structure passed to some printers to allow them to print
+ * link-layer address information if ndo_eflag isn't set
+ * (because they are for protocols that don't have their
+ * own addresses, so that we'd want to report link-layer
+ * address information).
+ *
+ * This contains a pointer to an address and a pointer to a routine
+ * to which we pass that pointer in order to get a string.
+ */
+struct lladdr_info {
+       const char *(*addr_string)(netdissect_options *, const u_char *);
+       const u_char *addr;
+};

 
 

-extern if_ndo_printer lookup_ndo_printer(int);
-extern if_printer lookup_printer(int);
+/* The printer routines. */

 
 

-extern void eap_print(netdissect_options *,const u_char *, u_int);
-extern int esp_print(netdissect_options *,
-                    register const u_char *bp, int len, register const u_char *bp2,
-                    int *nhdr, int *padlen);
-extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
-extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void aarp_print(netdissect_options *, const u_char *, u_int);
+extern int ah_print(netdissect_options *, register const u_char *);
+extern void ahcp_print(netdissect_options *, const u_char *, const u_int);
+extern void aodv_print(netdissect_options *, const u_char *, u_int, int);
+extern void aoe_print(netdissect_options *, const u_char *, const u_int);
+extern void arp_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void ascii_print(netdissect_options *, const u_char *, u_int);
+extern void atalk_print(netdissect_options *, const u_char *, u_int);
+extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int);
+extern void babel_print(netdissect_options *, const u_char *, u_int);
+extern void beep_print(netdissect_options *, const u_char *, u_int);
+extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void bgp_print(netdissect_options *, const u_char *, int);
+extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *);
+extern void bootp_print(netdissect_options *, const u_char *, u_int);
+extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *);
+extern void carp_print(netdissect_options *, const u_char *, u_int, int);
+extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void cfm_print(netdissect_options *, const u_char *, u_int);
+extern u_int chdlc_print(netdissect_options *, register const u_char *, u_int);
+extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
+extern void cnfp_print(netdissect_options *, const u_char *);
+extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int);
+extern void decnet_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void dhcp6_print(netdissect_options *, const u_char *, u_int);
+extern int dstopt_print(netdissect_options *, const u_char *);
+extern void dtp_print(netdissect_options *, const u_char *, u_int);
+extern void dvmrp_print(netdissect_options *, const u_char *, u_int);
+extern void eap_print(netdissect_options *, const u_char *, u_int);
+extern void egp_print(netdissect_options *, const u_char *, u_int);
+extern void eigrp_print(netdissect_options *, const u_char *, u_int);
+extern int esp_print(netdissect_options *, const u_char *, const int, const u_char *, int *, int *);
+extern u_int ether_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), const u_char *);
+extern int ethertype_print(netdissect_options *, u_short, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *);
+extern u_int fddi_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void forces_print(netdissect_options *, const u_char *, u_int);
+extern u_int fr_print(netdissect_options *, register const u_char *, u_int);
+extern int frag6_print(netdissect_options *, const u_char *, const u_char *);
+extern void ftp_print(netdissect_options *, const u_char *, u_int);
+extern void geneve_print(netdissect_options *, const u_char *, u_int);
+extern void geonet_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *);
+extern void gre_print(netdissect_options *, const u_char *, u_int);
+extern int hbhopt_print(netdissect_options *, const u_char *);
+extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int);
+extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int);
+extern void hex_print(netdissect_options *, const char *ident, const u_char *cp, u_int);
+extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp, u_int, u_int);
+extern void hncp_print(netdissect_options *, const u_char *, u_int);
+extern void hsrp_print(netdissect_options *, const u_char *, u_int);
+extern void http_print(netdissect_options *, const u_char *, u_int);
+extern void icmp6_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
+extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
+extern void igmp_print(netdissect_options *, const u_char *, u_int);
+extern void igrp_print(netdissect_options *, const u_char *, u_int);
+extern void ip6_print(netdissect_options *, const u_char *, u_int);
+extern void ipN_print(netdissect_options *, const u_char *, u_int);
+extern void ip_print(netdissect_options *, const u_char *, u_int);
+extern void ip_print_inner(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *);
+extern void ipcomp_print(netdissect_options *, register const u_char *);
+extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int);
+extern void ipx_print(netdissect_options *, const u_char *, u_int);
+extern void isakmp_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void isakmp_rfc3948_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void isoclns_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void krb_print(netdissect_options *, const u_char *);
+extern void l2tp_print(netdissect_options *, const u_char *, u_int);
+extern void lane_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void ldp_print(netdissect_options *, const u_char *, u_int);
+extern void lisp_print(netdissect_options *, const u_char *, u_int);
+extern u_int llap_print(netdissect_options *, const u_char *, u_int);
+extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *);
+extern void lldp_print(netdissect_options *, const u_char *, u_int);
+extern void lmp_print(netdissect_options *, const u_char *, u_int);
+extern void loopback_print(netdissect_options *, const u_char *, const u_int);
+extern void lspping_print(netdissect_options *, const u_char *, u_int);
+extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int);
+extern void lwapp_data_print(netdissect_options *, const u_char *, u_int);
+extern void lwres_print(netdissect_options *, const u_char *, u_int);
+extern void m3ua_print(netdissect_options *, const u_char *, const u_int);
+extern void medsa_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *);
+extern u_int mfr_print(netdissect_options *, register const u_char *, u_int);
+extern void mobile_print(netdissect_options *, const u_char *, u_int);
+extern int mobility_print(netdissect_options *, const u_char *, const u_char *);
+extern void mpcp_print(netdissect_options *, const u_char *, u_int);
+extern void mpls_print(netdissect_options *, const u_char *, u_int);
+extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char);
+extern void msdp_print(netdissect_options *, const u_char *, u_int);

 extern void msnlb_print(netdissect_options *, const u_char *);
 extern void msnlb_print(netdissect_options *, const u_char *);

-extern void icmp6_print(netdissect_options *ndo, const u_char *,
-                        u_int, const u_char *, int);
-extern void isakmp_print(netdissect_options *,const u_char *,
-                        u_int, const u_char *);
-extern void isakmp_rfc3948_print(netdissect_options *,const u_char *,
-                                u_int, const u_char *);
-extern void ip_print(netdissect_options *,const u_char *, u_int);
-extern void ip_print_inner(netdissect_options *ndo,
-                          const u_char *bp, u_int length, u_int nh,
-                          const u_char *bp2);
-extern void rrcp_print(netdissect_options *,const u_char *, u_int);
-
-extern void ether_print(netdissect_options *,
-                        const u_char *, u_int, u_int,
-                        void (*)(netdissect_options *, const u_char *),
-                        const u_char *);
-
-extern u_int ether_if_print(netdissect_options *,
-                            const struct pcap_pkthdr *,const u_char *);
-extern u_int netanalyzer_if_print(netdissect_options *,
-                                  const struct pcap_pkthdr *,const u_char *);
-extern u_int netanalyzer_transparent_if_print(netdissect_options *,
-                                              const struct pcap_pkthdr *,
-                                              const u_char *);
-
-extern int ethertype_print(netdissect_options *,u_short, const u_char *,
-                            u_int, u_int);
-
-extern int print_unknown_data(netdissect_options *,const u_char *, const char *,int);
-extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp,
-                                 u_int, u_int);
-extern void hex_print(netdissect_options *,const char *ident, const u_char *cp,u_int);
-
-/* stuff that has not yet been rototiled */
-extern const u_char * ns_nprint (register const u_char *, register const u_char *);
-
-#if 0
-extern void ascii_print(netdissect_options *,u_int);
-extern void hex_and_ascii_print_with_offset(netdissect_options *,const char *,
-                                   u_int, u_int);
-extern void hex_and_ascii_print(netdissect_options *,const char *, u_int);
-extern void telnet_print(netdissect_options *,const u_char *, u_int);
-extern int llc_print(netdissect_options *,
-                    const u_char *, u_int, u_int, const u_char *,
-                    const u_char *, u_short *);
-extern void aarp_print(netdissect_options *,const u_char *, u_int);
-extern void atalk_print(netdissect_options *,const u_char *, u_int);
-extern void atm_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-extern void bootp_print(netdissect_options *,const u_char *,
-                       u_int, u_short, u_short);
-extern void bgp_print(netdissect_options *,const u_char *, int);
-extern void bxxp_print(netdissect_options *,const u_char *, u_int);
-extern void chdlc_if_print(u_char *user, const struct pcap_pkthdr *h,
-                          register const u_char *p);
-extern void chdlc_print(netdissect_options *ndo,
-                       register const u_char *p, u_int length, u_int caplen);
-extern void cisco_autorp_print(netdissect_options *,
-                              const u_char *, u_int);
-extern void cnfp_print(netdissect_options *,const u_char *cp,
-                      u_int len, const u_char *bp);
-extern void decnet_print(netdissect_options *,const u_char *,
-                        u_int, u_int);
-extern void default_print(netdissect_options *,const u_char *, u_int);
-extern void dvmrp_print(netdissect_options *,const u_char *, u_int);
-extern void egp_print(netdissect_options *,const u_char *, u_int,
-                     const u_char *);
-
-extern void arcnet_if_print(u_char*,const struct pcap_pkthdr *,const u_char *);
-extern void token_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
-extern void fddi_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-
-extern void gre_print(netdissect_options *,const u_char *, u_int);
-extern void icmp_print(netdissect_options *,const u_char *, u_int,
-                      const u_char *);
-extern void hsrp_print(netdissect_options *ndo,
-                      register const u_char *bp, register u_int len);
-extern void ieee802_11_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-extern void igmp_print(netdissect_options *,
-                      register const u_char *, u_int);
-extern void igrp_print(netdissect_options *,const u_char *, u_int,
-                      const u_char *);
-extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int);
-extern void ipN_print(netdissect_options *,const u_char *, u_int);
-extern void ipx_print(netdissect_options *,const u_char *, u_int);
-extern void isoclns_print(netdissect_options *,const u_char *,
-                         u_int, u_int, const u_char *, const u_char *);
-extern void krb_print(netdissect_options *,const u_char *, u_int);
-extern void llap_print(netdissect_options *,const u_char *, u_int);
-extern const char *linkaddr_string(netdissect_options *ndo,
-                                  const u_char *ep, const unsigned int len);
-extern void ltalk_if_print(netdissect_options *ndo,
-                          u_char *user, const struct pcap_pkthdr *h,
-                          const u_char *p);
-extern void mpls_print(netdissect_options *ndo,
-                      const u_char *bp, u_int length);
-extern void msdp_print(netdissect_options *ndo,
-                      const unsigned char *sp, u_int length);
-extern void nfsreply_print(netdissect_options *,const u_char *,
-                          u_int, const u_char *);
-extern void nfsreq_print(netdissect_options *,const u_char *,
-                        u_int, const u_char *);
-extern void ns_print(netdissect_options *,const u_char *, u_int);
-extern void ntp_print(netdissect_options *,const u_char *, u_int);
-extern void null_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-extern void ospf_print(netdissect_options *,const u_char *,
-                      u_int, const u_char *);
-extern void pimv1_print(netdissect_options *,const u_char *, u_int);
-extern void mobile_print(netdissect_options *,const u_char *, u_int);
-extern void pim_print(netdissect_options *,const u_char *, u_int, u_int);
-extern void pppoe_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-extern void pppoe_print(netdissect_options *,const u_char *, u_int);
-extern void ppp_print(netdissect_options *,
-                     register const u_char *, u_int);
-
-extern void ppp_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-extern void ppp_hdlc_if_print(u_char *,
-                             const struct pcap_pkthdr *, const u_char *);
-extern void ppp_bsdos_if_print(u_char *,
-                              const struct pcap_pkthdr *, const u_char *);
-
-extern int vjc_print(netdissect_options *,register const char *,
-                    register u_int, u_short);
-
-extern void raw_if_print(u_char *,
-                        const struct pcap_pkthdr *, const u_char *);
-
-extern void rip_print(netdissect_options *,const u_char *, u_int);
-extern void rpki_rtr_print(netdissect_options *,const u_char *, u_int);
-
-extern void sctp_print(netdissect_options *ndo,
-                      const u_char *bp, const u_char *bp2,
-                      u_int sctpPacketLength);
-
-extern void sl_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
-
-extern void lane_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
-extern void cip_if_print(u_char *,const struct pcap_pkthdr *,const u_char *);
-extern void sl_bsdos_if_print(u_char *,
-                             const struct pcap_pkthdr *, const u_char *);
-extern void sll_if_print(u_char *,
-                        const struct pcap_pkthdr *, const u_char *);
-
-extern void snmp_print(netdissect_options *,const u_char *, u_int);
-extern void sunrpcrequest_print(netdissect_options *,const u_char *,
-                               u_int, const u_char *);
-extern void tcp_print(netdissect_options *,const u_char *, u_int,
-                     const u_char *, int);
-extern void tftp_print(netdissect_options *,const u_char *, u_int);
-extern void timed_print(netdissect_options *,const u_char *, u_int);
-extern void udp_print(netdissect_options *,const u_char *, u_int,
-                     const u_char *, int);
-extern void wb_print(netdissect_options *,const void *, u_int);
-extern int ah_print(netdissect_options *,register const u_char *,
-                   register const u_char *);
-extern void esp_print_decodesecret(netdissect_options *ndo);
-extern int ipcomp_print(netdissect_options *,register const u_char *,
-                       register const u_char *, int *);
-extern void rx_print(netdissect_options *,register const u_char *,
-                    int, int, int, u_char *);
-extern void netbeui_print(netdissect_options *,u_short,
-                         const u_char *, int);
-extern void ipx_netbios_print(netdissect_options *,const u_char *, u_int);
-extern void nbt_tcp_print(netdissect_options *,const u_char *, int);
-extern void nbt_udp137_print(netdissect_options *,
-                            const u_char *data, int);
-extern void nbt_udp138_print(netdissect_options *,
-                            const u_char *data, int);
-extern char *smb_errstr(netdissect_options *,int, int);
-extern const char *nt_errstr(netdissect_options *, u_int32_t);
-extern void print_data(netdissect_options *,const unsigned char *, int);
-extern void l2tp_print(netdissect_options *,const u_char *, u_int);
-extern void lcp_print(netdissect_options *,const u_char *, u_int);
-extern void vrrp_print(netdissect_options *,const u_char *bp,
-                      u_int len, int ttl);
-extern void carp_print(netdissect_options *,const u_char *bp,
-                      u_int len, int ttl);
-extern void cdp_print(netdissect_options *,const u_char *,
-                     u_int, u_int, const u_char *, const u_char *);
-extern void stp_print(netdissect_options *,const u_char *p, u_int length);
-extern void radius_print(netdissect_options *,const u_char *, u_int);
-extern void lwres_print(netdissect_options *,const u_char *, u_int);
-extern void pptp_print(netdissect_options *,const u_char *, u_int);
-#endif
+extern void nbt_tcp_print(netdissect_options *, const u_char *, int);
+extern void nbt_udp137_print(netdissect_options *, const u_char *, int);
+extern void nbt_udp138_print(netdissect_options *, const u_char *, int);
+extern void netbeui_print(netdissect_options *, u_short, const u_char *, int);
+extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void nfsreply_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void nfsreq_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
+extern const u_char * ns_nprint (netdissect_options *, register const u_char *, register const u_char *);
+extern void ns_print(netdissect_options *, const u_char *, u_int, int);
+extern void nsh_print(netdissect_options *ndo, const u_char *bp, u_int len);
+extern void ntp_print(netdissect_options *, const u_char *, u_int);
+extern void oam_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void olsr_print(netdissect_options *, const u_char *, u_int, int);
+extern void openflow_print(netdissect_options *, const u_char *, const u_int);
+extern void ospf6_print(netdissect_options *, const u_char *, u_int);
+extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int);
+extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int);
+extern void otv_print(netdissect_options *, const u_char *, u_int);
+extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void pimv1_print(netdissect_options *, const u_char *, u_int);
+extern u_int ppp_print(netdissect_options *, register const u_char *, u_int);
+extern u_int pppoe_print(netdissect_options *, const u_char *, u_int);
+extern void pptp_print(netdissect_options *, const u_char *);
+extern int print_unknown_data(netdissect_options *, const u_char *, const char *, int);
+extern char *q922_string(netdissect_options *, const u_char *, u_int);
+extern void q933_print(netdissect_options *, const u_char *, u_int);
+extern void radius_print(netdissect_options *, const u_char *, u_int);
+extern void resp_print(netdissect_options *, const u_char *, u_int);
+extern void rip_print(netdissect_options *, const u_char *, u_int);
+extern void ripng_print(netdissect_options *, const u_char *, unsigned int);
+extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
+extern void rrcp_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *);
+extern void rsvp_print(netdissect_options *, const u_char *, u_int);
+extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
+extern void rtsp_print(netdissect_options *, const u_char *, u_int);
+extern void rx_print(netdissect_options *, register const u_char *, int, int, int, const u_char *);
+extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
+extern void sflow_print(netdissect_options *, const u_char *, u_int);
+extern void sip_print(netdissect_options *, const u_char *, u_int);
+extern void slow_print(netdissect_options *, const u_char *, u_int);
+extern void smb_print_data(netdissect_options *, const unsigned char *, int);
+extern void smb_tcp_print(netdissect_options *, const u_char *, int);
+extern void smtp_print(netdissect_options *, const u_char *, u_int);
+extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *, u_int);
+extern void snmp_print(netdissect_options *, const u_char *, u_int);
+extern void stp_print(netdissect_options *, const u_char *, u_int);
+extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *);
+extern void syslog_print(netdissect_options *, const u_char *, u_int);
+extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
+extern void telnet_print(netdissect_options *, const u_char *, u_int);
+extern void tftp_print(netdissect_options *, const u_char *, u_int);
+extern void timed_print(netdissect_options *, const u_char *);
+extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
+extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void udld_print(netdissect_options *, const u_char *, u_int);
+extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
+extern int vjc_print(netdissect_options *, register const char *, u_short);
+extern void vqp_print(netdissect_options *, register const u_char *, register u_int);
+extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
+extern void vtp_print(netdissect_options *, const u_char *, u_int);
+extern void vxlan_gpe_print(netdissect_options *ndo, const u_char *bp, u_int len);
+extern void vxlan_print(netdissect_options *, const u_char *, u_int);
+extern void wb_print(netdissect_options *, const void *, u_int);
+extern void zephyr_print(netdissect_options *, const u_char *, int);
+extern void zmtp1_print(netdissect_options *, const u_char *, u_int);
+extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const u_int);
+
+/* checksum routines */
+extern void init_checksum(void);
+extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int);
+extern uint16_t create_osi_cksum(const uint8_t *, int, int);

 
 

-extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
-extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
-extern u_int nflog_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
-extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
-
-#ifdef INET6
-extern void ip6_print(netdissect_options *,const u_char *, u_int);
-#if 0
-extern void ip6_opt_print(netdissect_options *,const u_char *, int);
-extern int nextproto6_cksum(const struct ip6_hdr *, const u_int8_t *, u_int, u_int);
-extern int hbhopt_print(netdissect_options *,const u_char *);
-extern int dstopt_print(netdissect_options *,const u_char *);
-extern int frag6_print(netdissect_options *,const u_char *,
-                      const u_char *);
-extern void icmp6_print(netdissect_options *,const u_char *,
-                       const u_char *);
-extern void ripng_print(netdissect_options *,const u_char *, int);
-extern int rt6_print(netdissect_options *,const u_char *, const u_char *);
-extern void ospf6_print(netdissect_options *,const u_char *, u_int);
-extern void dhcp6_print(netdissect_options *,const u_char *,
-                       u_int, u_int16_t, u_int16_t);
-
-extern void zephyr_print(netdissect_options * ndo,
-                        const u_char *cp, int length);
-#endif /* 0 */
-
-#endif /*INET6*/
-
-#if 0

 struct cksum_vec {
 struct cksum_vec {

-       const u_int8_t  *ptr;
+       const uint8_t   *ptr;

        int             len;
 };
        int             len;
 };

-extern u_int16_t in_cksum(const struct cksum_vec *, int);
-extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t);
-#endif
+extern uint16_t in_cksum(const struct cksum_vec *, int);
+extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);

 
 

-extern void esp_print_decodesecret(netdissect_options *ndo);
-extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
-                                            int initiator,
-                                            u_char spii[8], u_char spir[8],
-                                            u_char *buf, u_char *end);
+extern int nextproto4_cksum(netdissect_options *, const struct ip *, const uint8_t *, u_int, u_int, u_int);
+
+/* in print-ip6.c */
+extern int nextproto6_cksum(netdissect_options *, const struct ip6_hdr *, const uint8_t *, u_int, u_int, u_int);
+
+/* Utilities */
+extern int mask2plen(uint32_t);
+extern int mask62plen(const u_char *);
+
+extern const char *dnname_string(netdissect_options *, u_short);
+extern const char *dnnum_string(netdissect_options *, u_short);

 
 

+extern char *smb_errstr(int, int);
+extern const char *nt_errstr(uint32_t);

 
 

-extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);
-extern void calm_fast_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *calm_pck, u_int len);
+extern int decode_prefix4(netdissect_options *, const u_char *, u_int, char *, u_int);
+extern int decode_prefix6(netdissect_options *, const u_char *, u_int, char *, u_int);
+
+extern void esp_print_decodesecret(netdissect_options *);
+extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *, int,
+                                            u_char spii[8], u_char spir[8],
+                                            const u_char *, const u_char *);

 
 #endif  /* netdissect_h */
 
 #endif  /* netdissect_h */