X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/56a0f0167cb8ec4b9d01a0893a188fe748067f12..47fc89d711eec0a073d9b3b293a1af901b5bd791:/netdissect.h diff --git a/netdissect.h b/netdissect.h index 8b5c8420..b4c24e64 100644 --- a/netdissect.h +++ b/netdissect.h @@ -2,7 +2,7 @@ * Copyright (c) 1988-1997 * The Regents of the University of California. All rights reserved. * - * Copyright (c) 1998-2004 Michael Richardson + * Copyright (c) 1998-2012 Michael Richardson * The TCPDUMP project * * Redistribution and use in source and binary forms, with or without @@ -20,8 +20,6 @@ * 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 1.27 2008-08-16 11:36:20 hannes Exp $ (LBL) */ #ifndef netdissect_h @@ -42,13 +40,19 @@ #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); @@ -107,15 +111,17 @@ struct netdissect_options { 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; @@ -149,11 +155,26 @@ struct netdissect_options { 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 */ @@ -163,6 +184,15 @@ struct netdissect_options { #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)) @@ -171,22 +201,21 @@ struct netdissect_options { #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) @@ -221,7 +250,7 @@ struct netdissect_options { #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); @@ -241,6 +270,34 @@ extern char *copy_argv(netdissect_options *, char **); 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 *); @@ -252,12 +309,22 @@ extern const char *dnnum_string(netdissect_options *, u_short); #include +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 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 *, @@ -267,19 +334,38 @@ 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 *); @@ -306,7 +392,6 @@ 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 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 *); @@ -320,6 +405,7 @@ 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 *, @@ -346,7 +432,7 @@ 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); +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 *, @@ -365,9 +451,10 @@ 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, + 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 *); @@ -411,16 +498,26 @@ 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 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 *, @@ -435,11 +532,17 @@ extern void dhcp6_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); @@ -449,4 +552,7 @@ extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo, 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 */