#endif
#include <sys/types.h>
#include <setjmp.h>
+#include <time.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
extern size_t strlcpy (char *, const char *, size_t);
#endif
-#ifndef HAVE_STRDUP
-extern char *strdup (const char *str);
-#endif
-
#ifndef HAVE_STRSEP
extern char *strsep(char **, const char *);
#endif
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);
* 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
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 */
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 *);
+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_PTP 18 /* PTP */
#define PT_SOMEIP 19 /* Autosar SOME/IP Protocol */
#define PT_DOMAIN 20 /* Domain Name System (DNS) */
+#define PT_QUIC 21 /* QUIC */
#define ND_MIN(a,b) ((a)>(b)?(b):(a))
#define ND_MAX(a,b) ((b)>(a)?(b):(a))
*/
#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; \
}
-/* 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; \
}
-/* 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)
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 *);
(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?
extern void arcnet_if_print IF_PRINTER_ARGS;
extern void arcnet_linux_if_print IF_PRINTER_ARGS;
extern void atm_if_print IF_PRINTER_ARGS;
-extern void bt_if_print IF_PRINTER_ARGS;
extern void brcm_tag_if_print IF_PRINTER_ARGS;
extern void brcm_tag_prepend_if_print IF_PRINTER_ARGS;
+extern void bt_if_print IF_PRINTER_ARGS;
extern void chdlc_if_print IF_PRINTER_ARGS;
extern void cip_if_print IF_PRINTER_ARGS;
extern void dsa_if_print IF_PRINTER_ARGS;
extern void ieee802_15_4_if_print IF_PRINTER_ARGS;
extern void ieee802_15_4_tap_if_print IF_PRINTER_ARGS;
extern void ipfc_if_print IF_PRINTER_ARGS;
-extern void ipoib_if_print IF_PRINTER_ARGS;
extern void ipnet_if_print IF_PRINTER_ARGS;
+extern void ipoib_if_print IF_PRINTER_ARGS;
extern void juniper_atm1_if_print IF_PRINTER_ARGS;
extern void juniper_atm2_if_print IF_PRINTER_ARGS;
extern void juniper_chdlc_if_print IF_PRINTER_ARGS;
extern void raw_if_print IF_PRINTER_ARGS;
extern void sl_bsdos_if_print IF_PRINTER_ARGS;
extern void sl_if_print IF_PRINTER_ARGS;
-extern void sll_if_print IF_PRINTER_ARGS;
extern void sll2_if_print IF_PRINTER_ARGS;
+extern void sll_if_print IF_PRINTER_ARGS;
extern void sunatm_if_print IF_PRINTER_ARGS;
extern void symantec_if_print IF_PRINTER_ARGS;
extern void token_if_print IF_PRINTER_ARGS;
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 ptp_print(netdissect_options *, const u_char *, u_int);
extern const char *q922_string(netdissect_options *, const u_char *, u_int);
extern void q933_print(netdissect_options *, const u_char *, u_int);
+extern int quic_detect(netdissect_options *, const u_char *, const u_int);
+extern void quic_print(netdissect_options *, const u_char *, const 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 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 udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int, u_int);
extern int vjc_print(netdissect_options *, const u_char *, u_short);
extern void vqp_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 vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int, int);
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 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 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);
projects / tcpdump / blobdiff