Makefile.in: don't remove configure and config.h.in in make distclean.

[tcpdump] / netdissect.h

diff --git a/netdissect.h b/netdissect.h
index 6bc442fc3083548ea3c2485b3eb9e92d03772309..d953a464ea112172acfb5472d8763ed1380f6eec 100644 (file)
--- a/netdissect.h
+++ b/netdissect.h
@@ -32,6 +32,7 @@
 #include <setjmp.h>
 #include "status-exit-codes.h"
 #include "funcattrs.h" /* for PRINTFLIKE_FUNCPTR() */
 #include <setjmp.h>
 #include "status-exit-codes.h"
 #include "funcattrs.h" /* for PRINTFLIKE_FUNCPTR() */

+#include "diag-control.h" /* for ND_UNREACHABLE */

 
 /*
  * Data types corresponding to multi-byte integral values within data
 
 /*
  * Data types corresponding to multi-byte integral values within data


@@ -141,9 +142,6 @@ struct tok {
        const char *s;          /* string */
 };
 
        const char *s;          /* string */
 };
 

-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 *, u_int);
 extern char *bittok2str(const struct tok *, const char *, u_int);
 /* tok2str is deprecated */
 extern const char *tok2str(const struct tok *, const char *, u_int);
 extern char *bittok2str(const struct tok *, const char *, u_int);


@@ -179,7 +177,7 @@ typedef void (*if_printer) IF_PRINTER_ARGS;
  * buffer, we free the current buffer and pop the previous one off the
  * stack.
  *
  * buffer, we free the current buffer and pop the previous one off the
  * stack.
  *

- * A buffer has a beginnning and end pointer, and a link to the previous
+ * A buffer has a beginning and end pointer, and a link to the previous

  * buffer on the stack.
  *
  * In other cases, we temporarily adjust the snapshot end to reflect a
  * buffer on the stack.
  *
  * In other cases, we temporarily adjust the snapshot end to reflect a


@@ -220,6 +218,7 @@ struct netdissect_options {
   jmp_buf ndo_early_end;       /* jmp_buf for setjmp()/longjmp() */
   void *ndo_last_mem_p;                /* pointer to the last allocated memory chunk */
   int ndo_packet_number;       /* print a packet number in the beginning of line */
   jmp_buf ndo_early_end;       /* jmp_buf for setjmp()/longjmp() */
   void *ndo_last_mem_p;                /* pointer to the last allocated memory chunk */
   int ndo_packet_number;       /* print a packet number in the beginning of line */

+  int ndo_print_sampling;      /* print every Nth packet */

   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
   int ndo_tstamp_precision;    /* requested time stamp precision */
   const char *program_name;    /* Name of the program using the library */
   int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
   int ndo_tstamp_precision;    /* requested time stamp precision */
   const char *program_name;    /* Name of the program using the library */


@@ -264,13 +263,26 @@ struct netdissect_options {
                      PRINTFLIKE_FUNCPTR(2, 3);
 };
 
                      PRINTFLIKE_FUNCPTR(2, 3);
 };
 

-extern int nd_push_buffer(netdissect_options *, u_char *, const u_char *,
-    const u_char *);
-extern int nd_push_snapend(netdissect_options *, const u_char *);
-extern void nd_change_snapend(netdissect_options *, const u_char *);
+extern WARN_UNUSED_RESULT int nd_push_buffer(netdissect_options *, u_char *, const u_char *, const u_int);
+extern WARN_UNUSED_RESULT int nd_push_snaplen(netdissect_options *, const u_char *, const u_int);
+extern void nd_change_snaplen(netdissect_options *, const u_char *, const u_int);

 extern void nd_pop_packet_info(netdissect_options *);
 extern void nd_pop_all_packet_info(netdissect_options *);
 
 extern void nd_pop_packet_info(netdissect_options *);
 extern void nd_pop_all_packet_info(netdissect_options *);
 

+static inline NORETURN void
+nd_trunc_longjmp(netdissect_options *ndo)
+{
+       longjmp(ndo->ndo_early_end, ND_TRUNCATED);
+#ifdef _AIX
+       /*
+        * In AIX <setjmp.h> decorates longjmp() with "#pragma leaves", which tells
+        * XL C that the function is noreturn, but GCC remains unaware of that and
+        * yields a "'noreturn' function does return" warning.
+        */
+       ND_UNREACHABLE
+#endif /* _AIX */
+}
+

 #define PT_VAT         1       /* Visual Audio Tool */
 #define PT_WB          2       /* distributed White Board */
 #define PT_RPC         3       /* Remote Procedure Call */
 #define PT_VAT         1       /* Visual Audio Tool */
 #define PT_WB          2       /* distributed White Board */
 #define PT_RPC         3       /* Remote Procedure Call */


@@ -384,27 +396,39 @@ extern void nd_pop_all_packet_info(netdissect_options *);
  */
 #define ND_BYTES_AVAILABLE_AFTER(p) ND_BYTES_BETWEEN(ndo->ndo_snapend, (p))
 
  */
 #define ND_BYTES_AVAILABLE_AFTER(p) ND_BYTES_BETWEEN(ndo->ndo_snapend, (p))
 

-/* Check length < minimum for invalid packet with a custom message, format %u */
-#define ND_LCHECKMSG_U(length, minimum, what) \
-if ((length) < (minimum)) { \
-ND_PRINT(" [%s %u < %u]", (what), (length), (minimum)); \
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * a custom message, format %u
+ */
+#define ND_ICHECKMSG_U(message, expression_1, operator, expression_2) \
+if ((expression_1) operator (expression_2)) { \
+ND_PRINT(" [%s %u %s %u]", (message), (expression_1), (#operator), (expression_2)); \

 goto invalid; \
 }
 
 goto invalid; \
 }
 

-/* Check length < minimum for invalid packet with #length message, format %u */
-#define ND_LCHECK_U(length, minimum) \
-ND_LCHECKMSG_U((length), (minimum), (#length))
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * "expression_1" message, format %u
+ */
+#define ND_ICHECK_U(expression_1, operator, expression_2) \
+ND_ICHECKMSG_U((#expression_1), (expression_1), operator, (expression_2))

 
 

-/* Check length < minimum for invalid packet with a custom message, format %zu */
-#define ND_LCHECKMSG_ZU(length, minimum, what) \
-if ((length) < (minimum)) { \
-ND_PRINT(" [%s %u < %zu]", (what), (length), (minimum)); \
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * a custom message, format %zu
+ */
+#define ND_ICHECKMSG_ZU(message, expression_1, operator, expression_2) \
+if ((expression_1) operator (expression_2)) { \
+ND_PRINT(" [%s %u %s %zu]", (message), (expression_1), (#operator), (expression_2)); \

 goto invalid; \
 }
 
 goto invalid; \
 }
 

-/* Check length < minimum for invalid packet with #length message, format %zu */
-#define ND_LCHECK_ZU(length, minimum) \
-ND_LCHECKMSG_ZU((length), (minimum), (#length))
+/*
+ * Check (expression_1 operator expression_2) for invalid packet with
+ * "expression_1" message, format %zu
+ */
+#define ND_ICHECK_ZU(expression_1, operator, expression_2) \
+ND_ICHECKMSG_ZU((#expression_1), (expression_1), operator, (expression_2))

 
 #define ND_PRINT(...) (ndo->ndo_printf)(ndo, __VA_ARGS__)
 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
 
 #define ND_PRINT(...) (ndo->ndo_printf)(ndo, __VA_ARGS__)
 #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)


@@ -413,6 +437,9 @@ 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 void signed_relts_print(netdissect_options *, int32_t);
 extern void unsigned_relts_print(netdissect_options *, uint32_t);
 

+extern const char *nd_format_time(char *buf, size_t bufsize,
+    const char *format, const struct tm *timeptr);
+

 extern void fn_print_char(netdissect_options *, u_char);
 extern void fn_print_str(netdissect_options *, const u_char *);
 extern u_int nd_printztn(netdissect_options *, const u_char *, u_int, const u_char *);
 extern void fn_print_char(netdissect_options *, u_char);
 extern void fn_print_str(netdissect_options *, const u_char *);
 extern u_int nd_printztn(netdissect_options *, const u_char *, u_int, const u_char *);


@@ -435,7 +462,7 @@ extern void txtproto_print(netdissect_options *, const u_char *, u_int,
     (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || \
     defined(__vax__)
 /*
     (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || \
     defined(__vax__)
 /*

- * The procesor natively handles unaligned loads, so just use memcpy()
+ * The processor natively handles unaligned loads, so just use memcpy()

  * and memcmp(), to enable those optimizations.
  *
  * XXX - are those all the x86 tests we need?
  * and memcmp(), to enable those optimizations.
  *
  * XXX - are those all the x86 tests we need?


@@ -593,7 +620,7 @@ extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const s
 extern void carp_print(netdissect_options *, const u_char *, u_int, u_int);
 extern void cdp_print(netdissect_options *, const u_char *, u_int);
 extern void cfm_print(netdissect_options *, const u_char *, u_int);
 extern void carp_print(netdissect_options *, const u_char *, u_int, u_int);
 extern void cdp_print(netdissect_options *, const u_char *, u_int);
 extern void cfm_print(netdissect_options *, const u_char *, u_int);

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


@@ -700,9 +727,9 @@ 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 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 rsvp_print(netdissect_options *, const u_char *, u_int);
 extern int rt6_print(netdissect_options *, const u_char *, const u_char *);

+extern void rtl_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *, const struct lladdr_info *);

 extern void rtsp_print(netdissect_options *, const u_char *, u_int);
 extern void rx_print(netdissect_options *, const u_char *, u_int, uint16_t, uint16_t, const u_char *);
 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
 extern void rtsp_print(netdissect_options *, const u_char *, u_int);
 extern void rx_print(netdissect_options *, const u_char *, u_int, uint16_t, uint16_t, const u_char *);
 extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);


@@ -733,13 +760,13 @@ extern void vtp_print(netdissect_options *, const u_char *, const u_int);
 extern void vxlan_gpe_print(netdissect_options *, const u_char *, u_int);
 extern void vxlan_print(netdissect_options *, const u_char *, u_int);
 extern void wb_print(netdissect_options *, const u_char *, u_int);
 extern void vxlan_gpe_print(netdissect_options *, const u_char *, u_int);
 extern void vxlan_print(netdissect_options *, const u_char *, u_int);
 extern void wb_print(netdissect_options *, const u_char *, u_int);

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

 extern void zep_print(netdissect_options *, const u_char *, u_int);
 extern void zephyr_print(netdissect_options *, const u_char *, u_int);
 extern void zmtp1_datagram_print(netdissect_options *, const u_char *, const u_int);
 extern void zmtp1_print(netdissect_options *, const u_char *, u_int);
 
 /* checksum routines */
 extern void zep_print(netdissect_options *, const u_char *, u_int);
 extern void zephyr_print(netdissect_options *, const u_char *, u_int);
 extern void zmtp1_datagram_print(netdissect_options *, const u_char *, const u_int);
 extern void zmtp1_print(netdissect_options *, const u_char *, 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 uint16_t verify_crc10_cksum(uint16_t, const u_char *, int);
 extern uint16_t create_osi_cksum(const uint8_t *, int, int);