* Copyright (c) 1988-1997
* The Regents of the University of California. All rights reserved.
*
* The TCPDUMP project
*
* Redistribution and use in source and binary forms, with or without
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * @(#) $Header: /tcpdump/master/tcpdump/netdissect.h,v 1.22 2006-05-05 23:13:00 guy Exp $ (LBL)
*/
#ifndef netdissect_h
#if !defined(HAVE_SNPRINTF)
int snprintf (char *str, size_t sz, const char *format, ...)
- __attribute__ ((format (printf, 3, 4)));
-#endif
+#ifdef __ATTRIBUTE___FORMAT_OK
+ __attribute__((format (printf, 3, 4)))
+#endif /* __ATTRIBUTE___FORMAT_OK */
+ ;
+#endif /* !defined(HAVE_SNPRINTF) */
#if !defined(HAVE_VSNPRINTF)
int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
- __attribute__((format (printf, 3, 0)));
-#endif
+#ifdef __ATTRIBUTE___FORMAT_OK
+ __attribute__((format (printf, 3, 0)))
+#endif /* __ATTRIBUTE___FORMAT_OK */
+ ;
+#endif /* !defined(HAVE_SNPRINTF) */
#ifndef HAVE_STRLCAT
extern size_t strlcat (char *, const char *, size_t);
/* 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);
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_Kflag; /* don't check TCP checksums */
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; /* 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_suppress_default_print; /* don't use default_print() for unknown packet types */
const char *ndo_dltname;
struct sa_list *ndo_sa_list_head; /* used by print-esp.c */
struct sa_list *ndo_sa_default;
- char *ndo_tcpmd5secret; /* TCP-MD5 secret key */
+ char *ndo_sigsecret; /* Signature verification secret key */
struct esp_algorithm *ndo_espsecret_xform; /* cache of decoded */
char *ndo_espsecret_key;
void (*ndo_info)(netdissect_options *, int verbose);
int (*ndo_printf)(netdissect_options *,
- const char *fmt, ...);
+ const char *fmt, ...)
+#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
+ __attribute__ ((format (printf, 2, 3)))
+#endif
+ ;
void (*ndo_error)(netdissect_options *,
- const char *fmt, ...);
+ const char *fmt, ...)
+#ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
+ __attribute__ ((noreturn))
+#endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */
+#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
+ __attribute__ ((format (printf, 2, 3)))
+#endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
+ ;
void (*ndo_warning)(netdissect_options *,
- const char *fmt, ...);
+ const char *fmt, ...)
+#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
+ __attribute__ ((format (printf, 2, 3)))
+#endif
+ ;
};
#define PT_VAT 1 /* Visual Audio Tool */
#define PT_RTCP 5 /* Real-Time Applications control protocol */
#define PT_SNMP 6 /* Simple Network Management Protocol */
#define PT_CNFP 7 /* Cisco NetFlow protocol */
+#define PT_TFTP 8 /* trivial file transfer protocol */
+#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */
+#define PT_CARP 10 /* Common Address Redundancy Protocol */
+#define PT_RADIUS 11 /* RADIUS authentication Protocol */
+#define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */
+#define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */
+#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 */
#ifndef min
#define min(a,b) ((a)>(b)?(b):(a))
#define max(a,b) ((b)>(a)?(b):(a))
#endif
-#ifndef INET6
/*
- * The default snapshot length. This value allows most printers to print
- * useful information while keeping the amount of unwanted data down.
- * In particular, it allows for an ethernet header, tcp/ip header, and
- * 14 bytes of data (assuming no ip options).
+ * 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.
*/
-#define DEFAULT_SNAPLEN 68
-#else
-#define DEFAULT_SNAPLEN 96
-#endif
+#define MAXIMUM_SNAPLEN 65535
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#define LITTLE_ENDIAN 1234
-#endif
+/*
+ * The default snapshot length is the maximum.
+ */
+#define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN
#define ESRC(ep) ((ep)->ether_shost)
#define EDST(ep) ((ep)->ether_dhost)
#define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
#define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
-#if 0
+#if 0
extern void ts_print(netdissect_options *ipdo,
const struct timeval *);
extern void relts_print(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" : "")
+
#if 0
extern const char *isonsap_string(netdissect_options *, const u_char *);
extern const char *protoid_string(netdissect_options *, const u_char *);
#include <pcap.h>
+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 *);
-extern void eap_print(netdissect_options *,const u_char *, u_int);
+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 int esp_print(netdissect_options *,
- register const u_char *bp, int len, register const u_char *bp2,
+ 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 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 *,
+ 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 *,
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 loopback_print(netdissect_options *, const u_char *, const 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 hex_print_with_offset(netdissect_options *,const char *,
- u_int, u_int);
-extern void hex_print(netdissect_options *,const char *, u_int);
extern void telnet_print(netdissect_options *,const u_char *, u_int);
-extern int ether_encap_print(netdissect_options *,u_short, const u_char *,
- u_int, u_int, u_short *);
extern int llc_print(netdissect_options *,
const u_char *, u_int, u_int, const u_char *,
const u_char *, u_short *);
const u_char *);
extern void arcnet_if_print(u_char*,const struct pcap_pkthdr *,const u_char *);
-extern void ether_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 *);
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, 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);
+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 *,
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,
+ 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 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 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 *,
extern void zephyr_print(netdissect_options * ndo,
const u_char *cp, int length);
+#endif /* 0 */
#endif /*INET6*/
-extern u_short in_cksum(const u_short *,
- register u_int, int);
+#if 0
+struct cksum_vec {
+ const u_int8_t *ptr;
+ 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 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 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);
+
#endif /* netdissect_h */
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