Add program_name field in the netdissect_options structure

[tcpdump] / netdissect.h

diff --git a/netdissect.h b/netdissect.h
index 1b11bf8e9f3ba19f0e6cd51448035757fce6dbb7..458732b8d7cdb9d3b050c3bc6622432fc046fd63 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -54,7 +54,7 @@ int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
      __attribute__((format (printf, 3, 0)))
 #endif /* __ATTRIBUTE___FORMAT_OK */
      ;
      __attribute__((format (printf, 3, 0)))
 #endif /* __ATTRIBUTE___FORMAT_OK */
      ;

-#endif /* !defined(HAVE_SNPRINTF) */
+#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);


@@ -76,20 +76,17 @@ struct tok {
        const char *s;          /* string */
 };
 
        const char *s;          /* string */
 };
 

-#define TOKBUFSIZE 128

 extern const char *tok2strbuf(const struct tok *, const char *, u_int,
                              char *buf, size_t bufsize);
 
 /* tok2str is deprecated */
 extern const char *tok2strbuf(const struct tok *, const char *, u_int,
                              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);

 
 typedef struct netdissect_options netdissect_options;
 
 struct netdissect_options {
 
 typedef struct netdissect_options 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 */


@@ -101,7 +98,6 @@ struct netdissect_options {
   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;               /* use the libsmi to translate OIDs */
   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_vflag;               /* verbose */
   int ndo_xflag;               /* print packet in hex */
   int ndo_uflag;               /* Print undecoded NFS handles */
   int ndo_vflag;               /* verbose */
   int ndo_xflag;               /* print packet in hex */


@@ -109,61 +105,42 @@ struct netdissect_options {
   int ndo_Aflag;               /* print packet only in ascii observing TAB,
                                 * LF, CR and SPACE as graphical chars
                                 */
   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_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_immediate;            /* use immediate mode */
+

   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_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_tstamp_precision;   /* requested time stamp precision */
+  int ndo_tstamp_precision;    /* requested time stamp precision */

   const char *ndo_dltname;
   const char *ndo_dltname;

+  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 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


@@ -173,6 +150,7 @@ 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


@@ -209,12 +187,26 @@ struct netdissect_options {
  * 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.


@@ -238,9 +230,30 @@ 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))


@@ -260,12 +273,14 @@ extern void relts_print(netdissect_options *, int);
 extern int fn_print(netdissect_options *, const u_char *, 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 int fn_print(netdissect_options *, const u_char *, 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 const char *tok2str(const struct tok *, const char *, int);

 
 

-#if 0
-extern char *read_infile(netdissect_options *, char *);
-extern char *copy_argv(netdissect_options *, char **);
-#endif
+/*
+ * Flags for txtproto_print().
+ */
+#define RESP_CODE_SECOND_TOKEN 0x00000001      /* response code is second token in response line */
+
+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
 
 /*
  * Locale-independent macros for testing character properties and


@@ -309,20 +324,26 @@ extern int unaligned_memcmp(const void *, const void *, size_t);
 #define PLURAL_SUFFIX(n) \
        (((n) != 1) ? "s" : "")
 
 #define PLURAL_SUFFIX(n) \
        (((n) != 1) ? "s" : "")
 

-#if 0

 extern const char *dnname_string(netdissect_options *, u_short);
 extern const char *dnnum_string(netdissect_options *, u_short);
 extern const char *dnname_string(netdissect_options *, u_short);
 extern const char *dnnum_string(netdissect_options *, u_short);

-#endif
+
+extern int mask2plen(uint32_t);
+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)
+
+#ifdef INET6
+extern int mask62plen(const u_char *);
+#endif /*INET6*/

 
 /* The printer routines. */
 
 #include <pcap.h>
 
 
 /* The printer routines. */
 
 #include <pcap.h>
 

-typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
+extern char *q922_string(netdissect_options *ndo, const u_char *, u_int);
+
+typedef u_int (*if_printer)(struct netdissect_options *ndo,

                                const struct pcap_pkthdr *, const u_char *);
                                const struct pcap_pkthdr *, const u_char *);

-typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);

 
 

-extern if_ndo_printer lookup_ndo_printer(int);

 extern if_printer lookup_printer(int);
 
 extern void eap_print(netdissect_options *,const u_char *, u_int);
 extern if_printer lookup_printer(int);
 
 extern void eap_print(netdissect_options *,const u_char *, u_int);


@@ -330,6 +351,7 @@ extern int esp_print(netdissect_options *,
                     const u_char *bp, const int length, const u_char *bp2,
                     int *nhdr, int *padlen);
 extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
                     const u_char *bp, const int length, const u_char *bp2,
                     int *nhdr, int *padlen);
 extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);

+extern void medsa_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 msnlb_print(netdissect_options *, const u_char *);
 extern void icmp6_print(netdissect_options *ndo, const u_char *,
 extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
 extern void msnlb_print(netdissect_options *, const u_char *);
 extern void icmp6_print(netdissect_options *ndo, const u_char *,


@@ -346,10 +368,10 @@ extern void rrcp_print(netdissect_options *,const u_char *, u_int);
 extern void loopback_print(netdissect_options *, const u_char *, const u_int);
 extern void carp_print(netdissect_options *, const u_char *, u_int, int);
 
 extern void loopback_print(netdissect_options *, const u_char *, const u_int);
 extern void carp_print(netdissect_options *, const u_char *, u_int, 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_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 ether_if_print(netdissect_options *,
                             const struct pcap_pkthdr *,const u_char *);


@@ -413,14 +435,15 @@ extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int);
 extern u_int token_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void vqp_print(netdissect_options *, register const u_char *, register u_int);
 extern void zephyr_print(netdissect_options *, const u_char *, int);
 extern u_int token_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void vqp_print(netdissect_options *, register const u_char *, register u_int);
 extern void zephyr_print(netdissect_options *, const u_char *, int);

-extern void fddi_print(netdissect_options *, const u_char *, u_int, u_int);
+extern u_int fddi_print(netdissect_options *, const u_char *, u_int, u_int);

 extern u_int fddi_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void mpcp_print(netdissect_options *, const u_char *, u_int);
 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
 extern u_int sll_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int);
 extern u_int fddi_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void mpcp_print(netdissect_options *, const u_char *, u_int);
 extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
 extern u_int sll_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void dccp_print(netdissect_options *, const u_char *, 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 int snap_print(netdissect_options *, const u_char *, u_int, u_int, u_int);
+extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const u_char *, const u_char *);
+extern int snap_print(netdissect_options *, const u_char *, u_int, u_int,
+       const u_char *, const u_char *, u_int);

 extern void eigrp_print(netdissect_options *, const u_char *, u_int);
 extern void stp_print(netdissect_options *, const u_char *, u_int);
 extern void l2tp_print(netdissect_options *, const u_char *, u_int);
 extern void eigrp_print(netdissect_options *, const u_char *, u_int);
 extern void stp_print(netdissect_options *, const u_char *, u_int);
 extern void l2tp_print(netdissect_options *, const u_char *, u_int);


@@ -451,7 +474,7 @@ extern u_int atm_if_print(netdissect_options *, const struct pcap_pkthdr *, cons
 extern void vtp_print(netdissect_options *, const u_char *, u_int);
 extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char);
 extern void ntp_print(netdissect_options *, const u_char *, u_int);
 extern void vtp_print(netdissect_options *, const u_char *, u_int);
 extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char);
 extern void ntp_print(netdissect_options *, const u_char *, u_int);

-extern void cnfp_print(netdissect_options *, const u_char *, const u_char *);
+extern void cnfp_print(netdissect_options *, const u_char *);

 extern void dvmrp_print(netdissect_options *, const u_char *, u_int);
 extern void egp_print(netdissect_options *, const u_char *, u_int);
 extern u_int enc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void dvmrp_print(netdissect_options *, const u_char *, u_int);
 extern void egp_print(netdissect_options *, const u_char *, u_int);
 extern u_int enc_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);


@@ -461,7 +484,7 @@ extern void tftp_print(netdissect_options *, const u_char *, u_int);
 extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
 extern void pimv1_print(netdissect_options *, const u_char *, u_int);
 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
 extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
 extern void pimv1_print(netdissect_options *, const u_char *, u_int);
 extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);

-extern void pim_print(netdissect_options *, const u_char *, u_int, u_int);
+extern void pim_print(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 bootp_print(netdissect_options *, const u_char *, u_int);
 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 bootp_print(netdissect_options *, const u_char *, u_int);


@@ -496,7 +519,7 @@ extern u_int juniper_ppp_print(netdissect_options *, const struct pcap_pkthdr *,
 extern u_int juniper_frelay_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern u_int juniper_chdlc_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void snmp_print(netdissect_options *, const u_char *, u_int);
 extern u_int juniper_frelay_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern u_int juniper_chdlc_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern void snmp_print(netdissect_options *, const u_char *, u_int);

-extern void rx_print(netdissect_options *, register const u_char *, int, int, int, u_char *);
+extern void rx_print(netdissect_options *, register const u_char *, int, int, int, const u_char *);

 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 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 *);


@@ -525,15 +548,16 @@ extern void rsvp_print(netdissect_options *, const u_char *, u_int);
 extern void timed_print(netdissect_options *, const u_char *);
 extern void m3ua_print(netdissect_options *, const u_char *, const u_int);
 extern void aoe_print(netdissect_options *, const u_char *, const u_int);
 extern void timed_print(netdissect_options *, const u_char *);
 extern void m3ua_print(netdissect_options *, const u_char *, const u_int);
 extern void aoe_print(netdissect_options *, const u_char *, const u_int);

+extern void ftp_print(netdissect_options *, const u_char *, u_int);
+extern void http_print(netdissect_options *, const u_char *, u_int);
+extern void rtsp_print(netdissect_options *, const u_char *, u_int);
+extern void smtp_print(netdissect_options *, const u_char *, u_int);
+extern void geneve_print(netdissect_options *, const u_char *, u_int);

 
 /* stuff that has not yet been rototiled */
 
 
 /* stuff that has not yet been rototiled */
 

-#if 0
-extern void ascii_print(netdissect_options *,u_int);
-extern void default_print(netdissect_options *,const u_char *, u_int);
-extern char *smb_errstr(netdissect_options *,int, int);
-extern const char *nt_errstr(netdissect_options *, uint32_t);
-#endif
+extern char *smb_errstr(int, int);
+extern const char *nt_errstr(uint32_t);

 
 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 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 *);


@@ -545,8 +569,8 @@ extern u_int ieee802_11_if_print(netdissect_options *, const struct pcap_pkthdr
 extern u_int ieee802_11_radio_avs_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern u_int prism_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 
 extern u_int ieee802_11_radio_avs_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 extern u_int prism_if_print(netdissect_options *, const struct pcap_pkthdr *, const u_char *);
 

-#ifdef INET6

 extern void ip6_print(netdissect_options *,const u_char *, u_int);
 extern void ip6_print(netdissect_options *,const u_char *, u_int);

+#ifdef INET6

 extern int frag6_print(netdissect_options *, const u_char *, const u_char *);
 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
 extern int hbhopt_print(netdissect_options *, const u_char *);
 extern int frag6_print(netdissect_options *, const u_char *, const u_char *);
 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
 extern int hbhopt_print(netdissect_options *, const u_char *);


@@ -558,14 +582,18 @@ extern void ospf6_print(netdissect_options *, const u_char *, u_int);
 extern void babel_print(netdissect_options *, const u_char *, u_int);
 #endif /*INET6*/
 
 extern void babel_print(netdissect_options *, const u_char *, u_int);
 #endif /*INET6*/
 

-#if 0
+/* 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);
+

 struct cksum_vec {
        const uint8_t   *ptr;
        int             len;
 };
 extern uint16_t in_cksum(const struct cksum_vec *, int);
 extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);
 struct cksum_vec {
        const uint8_t   *ptr;
        int             len;
 };
 extern uint16_t in_cksum(const struct cksum_vec *, int);
 extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);

-#endif
+

 extern int nextproto4_cksum(netdissect_options *ndo, const struct ip *, const uint8_t *, u_int, u_int, u_int);
 extern int decode_prefix4(netdissect_options *ndo, const u_char *, u_int, char *, u_int);
 #ifdef INET6
 extern int nextproto4_cksum(netdissect_options *ndo, const struct ip *, const uint8_t *, u_int, u_int, u_int);
 extern int decode_prefix4(netdissect_options *ndo, const u_char *, u_int, char *, u_int);
 #ifdef INET6


@@ -576,7 +604,7 @@ 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],
 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);
+                                            const u_char *buf, const u_char *end);

 
 
 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);
 
 
 extern void geonet_print(netdissect_options *ndo,const u_char *eth_hdr,const u_char *geo_pck, u_int len);