/* * Copyright (c) 1988-1997 * The Regents of the University of California. All rights reserved. * * Copyright (c) 1998-2012 Michael Richardson * The TCPDUMP project * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of * the University nor the names of its contributors may be used to endorse * or promote products derived from this software without specific prior * written permission. * 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. */ #ifndef netdissect_h #define netdissect_h #ifdef HAVE_OS_PROTO_H #include "os-proto.h" #endif #include #ifndef HAVE___ATTRIBUTE__ #define __attribute__(x) #endif /* * Data types corresponding to multi-byte integral values within data * structures. These are defined as arrays of octets, so that they're * not aligned on their "natural" boundaries, and so that you *must* * use the EXTRACT_ macros to extract them (which you should be doing * *anyway*, so as not to assume a particular byte order or alignment * in your code). */ typedef unsigned char nd_uint16_t[2]; typedef unsigned char nd_uint24_t[3]; typedef unsigned char nd_uint32_t[4]; typedef unsigned char nd_uint40_t[5]; typedef unsigned char nd_uint48_t[6]; typedef unsigned char nd_uint56_t[7]; typedef unsigned char nd_uint64_t[8]; /* * Use this for IPv4 addresses. It's defined as an array of octets, so * that it's not aligned on its "natural" boundary, and it's defined as * a structure in the hopes that this makes it harder to naively use * EXTRACT_32BITS() to extract the value - in many cases you just want * to use UNALIGNED_MEMCPY() to copy its value, so that it remains in * network byte order. */ typedef struct { unsigned char bytes[4]; } nd_ipv4; /* * Data types corresponding to single-byte integral values, for * completeness. */ typedef unsigned char nd_uint8_t; typedef signed char nd_int8_t; /* snprintf et al */ #include #include #include "ip.h" /* struct ip for nextproto4_cksum() */ #include "ip6.h" /* struct ip6 for nextproto6_cksum() */ extern int32_t thiszone; /* seconds offset from gmt to local time */ /* invalid string to print '(invalid)' for malformed or corrupted packets */ extern const char istr[]; #if !defined(HAVE_SNPRINTF) int snprintf (char *str, size_t sz, FORMAT_STRING(const char *format), ...) PRINTFLIKE(3, 4); #endif /* !defined(HAVE_SNPRINTF) */ #if !defined(HAVE_VSNPRINTF) int vsnprintf (char *str, size_t sz, FORMAT_STRING(const char *format), va_list ap) PRINTFLIKE(3, 0); #endif /* !defined(HAVE_VSNPRINTF) */ #ifndef HAVE_STRLCAT extern size_t strlcat (char *, const char *, size_t); #endif #ifndef HAVE_STRLCPY 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 struct tok { u_int v; /* value */ 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); extern char *bittok2str_nosep(const struct tok *, const char *, u_int); /* Initialize netdissect. */ extern int nd_init(char *, size_t); /* Clean up netdissect. */ extern void nd_cleanup(void); /* Do we have libsmi support? */ extern int nd_have_smi_support(void); /* Load an SMI module. */ extern int nd_load_smi_module(const char *, char *, size_t); /* Flag indicating whether an SMI module has been loaded. */ extern int nd_smi_module_loaded; /* Version number of the SMI library, or NULL if we don't have libsmi support. */ extern const char *nd_smi_version_string(void); typedef struct netdissect_options netdissect_options; #define IF_PRINTER_ARGS (netdissect_options *, const struct pcap_pkthdr *, const u_char *) typedef u_int (*if_printer) IF_PRINTER_ARGS; struct netdissect_options { 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_nflag; /* leave addresses as numbers */ int ndo_Nflag; /* remove domains from printed host names */ int ndo_qflag; /* quick (shorter) output */ int ndo_Sflag; /* print raw TCP sequence numbers */ int ndo_tflag; /* print packet arrival time */ int ndo_uflag; /* Print undecoded NFS handles */ int ndo_vflag; /* verbosity level */ int ndo_xflag; /* print packet in hex */ int ndo_Xflag; /* print packet in hex/ASCII */ int ndo_Aflag; /* print packet only in ASCII observing TAB, * LF, CR and SPACE as graphical chars */ 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 */ 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_sigsecret; /* Signature verification secret key */ int ndo_packettype; /* as specified by -T */ int ndo_snaplen; /*global pointers to beginning and end of current packet (during printing) */ const u_char *ndo_packetp; const u_char *ndo_snapend; /* pointer to the if_printer function */ if_printer ndo_if_printer; /* pointer to void function to output stuff */ void (*ndo_default_print)(netdissect_options *, register const u_char *bp, register u_int length); /* pointer to function to do regular output */ int (*ndo_printf)(netdissect_options *, const char *fmt, ...) PRINTFLIKE_FUNCPTR(2, 3); /* pointer to function to output errors */ void NORETURN_FUNCPTR (*ndo_error)(netdissect_options *, const char *fmt, ...) PRINTFLIKE_FUNCPTR(2, 3); /* pointer to function to output warnings */ void (*ndo_warning)(netdissect_options *, const char *fmt, ...) PRINTFLIKE_FUNCPTR(2, 3); }; #define PT_VAT 1 /* Visual Audio Tool */ #define PT_WB 2 /* distributed White Board */ #define PT_RPC 3 /* Remote Procedure Call */ #define PT_RTP 4 /* Real-Time Applications protocol */ #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 */ #define PT_RESP 17 /* RESP */ #ifndef min #define min(a,b) ((a)>(b)?(b):(a)) #endif #ifndef max #define max(a,b) ((b)>(a)?(b):(a)) #endif /* For source or destination ports tests (UDP, TCP, ...) */ #define IS_SRC_OR_DST_PORT(p) (sport == (p) || dport == (p)) /* * Maximum snapshot length. This should be enough to capture the full * packet on most network interfaces. * * * 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? Note that, for versions of * libpcap with pcap_create()/pcap_activate(), if no -s flag is specified * or -s 0 is specified, we won't set the snapshot length at all, and will * let libpcap choose a snapshot length; newer versions may choose a bigger * value than 262144 for D-Bus, for example. */ #define MAXIMUM_SNAPLEN 262144 #define ESRC(ep) ((ep)->ether_shost) #define EDST(ep) ((ep)->ether_dhost) #ifndef NTOHL #define NTOHL(x) (x) = ntohl(x) #define NTOHS(x) (x) = ntohs(x) #define HTONL(x) (x) = htonl(x) #define HTONS(x) (x) = htons(x) #endif /* * True if "l" bytes of "var" were captured. * * The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure * "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 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)) /* Bail if "l" bytes of "var" were not captured */ #define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc /* Bail if "var" was not captured */ #define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var)) #define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length) 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 fn_print_char(netdissect_options *, u_char); extern int fn_print(netdissect_options *, const u_char *, const u_char *); extern u_int fn_printztn(netdissect_options *ndo, const u_char *, u_int, 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 *); /* * 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 * stripping the 8th bit from characters. Assumed to be handed * a value between 0 and 255, i.e. don't hand them a char, as * those might be in the range -128 to 127. */ #define ND_ISASCII(c) (!((c) & 0x80)) /* value is an ASCII code point */ #define ND_ISPRINT(c) ((c) >= 0x20 && (c) <= 0x7E) #define ND_ISGRAPH(c) ((c) > 0x20 && (c) <= 0x7E) #define ND_TOASCII(c) ((c) & 0x7F) extern void safeputchar(netdissect_options *, const u_char); extern void safeputs(netdissect_options *, const u_char *, const u_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" : "") 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) extern if_printer lookup_printer(int); /* The DLT printer routines */ extern u_int ap1394_if_print IF_PRINTER_ARGS; extern u_int arcnet_if_print IF_PRINTER_ARGS; extern u_int arcnet_linux_if_print IF_PRINTER_ARGS; extern u_int atm_if_print IF_PRINTER_ARGS; extern u_int bt_if_print IF_PRINTER_ARGS; extern u_int chdlc_if_print IF_PRINTER_ARGS; extern u_int cip_if_print IF_PRINTER_ARGS; extern u_int enc_if_print IF_PRINTER_ARGS; extern u_int ether_if_print IF_PRINTER_ARGS; extern u_int fddi_if_print IF_PRINTER_ARGS; extern u_int fr_if_print IF_PRINTER_ARGS; extern u_int ieee802_11_if_print IF_PRINTER_ARGS; extern u_int ieee802_11_radio_avs_if_print IF_PRINTER_ARGS; extern u_int ieee802_11_radio_if_print IF_PRINTER_ARGS; extern u_int ieee802_15_4_if_print IF_PRINTER_ARGS; extern u_int ipfc_if_print IF_PRINTER_ARGS; extern u_int ipnet_if_print IF_PRINTER_ARGS; extern u_int juniper_atm1_print IF_PRINTER_ARGS; extern u_int juniper_atm2_print IF_PRINTER_ARGS; extern u_int juniper_chdlc_print IF_PRINTER_ARGS; extern u_int juniper_es_print IF_PRINTER_ARGS; extern u_int juniper_ether_print IF_PRINTER_ARGS; extern u_int juniper_frelay_print IF_PRINTER_ARGS; extern u_int juniper_ggsn_print IF_PRINTER_ARGS; extern u_int juniper_mfr_print IF_PRINTER_ARGS; extern u_int juniper_mlfr_print IF_PRINTER_ARGS; extern u_int juniper_mlppp_print IF_PRINTER_ARGS; extern u_int juniper_monitor_print IF_PRINTER_ARGS; extern u_int juniper_ppp_print IF_PRINTER_ARGS; extern u_int juniper_pppoe_atm_print IF_PRINTER_ARGS; extern u_int juniper_pppoe_print IF_PRINTER_ARGS; extern u_int juniper_services_print IF_PRINTER_ARGS; extern u_int lane_if_print IF_PRINTER_ARGS; extern u_int ltalk_if_print IF_PRINTER_ARGS; extern u_int mfr_if_print IF_PRINTER_ARGS; extern u_int netanalyzer_if_print IF_PRINTER_ARGS; extern u_int netanalyzer_transparent_if_print IF_PRINTER_ARGS; extern u_int nflog_if_print IF_PRINTER_ARGS; extern u_int null_if_print IF_PRINTER_ARGS; extern u_int pflog_if_print IF_PRINTER_ARGS; extern u_int pktap_if_print IF_PRINTER_ARGS; extern u_int ppi_if_print IF_PRINTER_ARGS; extern u_int ppp_bsdos_if_print IF_PRINTER_ARGS; extern u_int ppp_hdlc_if_print IF_PRINTER_ARGS; extern u_int ppp_if_print IF_PRINTER_ARGS; extern u_int pppoe_if_print IF_PRINTER_ARGS; extern u_int prism_if_print IF_PRINTER_ARGS; extern u_int raw_if_print IF_PRINTER_ARGS; extern u_int sl_bsdos_if_print IF_PRINTER_ARGS; extern u_int sl_if_print IF_PRINTER_ARGS; extern u_int sll_if_print IF_PRINTER_ARGS; extern u_int sunatm_if_print IF_PRINTER_ARGS; extern u_int symantec_if_print IF_PRINTER_ARGS; extern u_int token_if_print IF_PRINTER_ARGS; extern u_int usb_linux_48_byte_print IF_PRINTER_ARGS; extern u_int usb_linux_64_byte_print IF_PRINTER_ARGS; /* * Structure passed to some printers to allow them to print * link-layer address information if ndo_eflag isn't set * (because they are for protocols that don't have their * own addresses, so that we'd want to report link-layer * address information). * * This contains a pointer to an address and a pointer to a routine * to which we pass that pointer in order to get a string. */ struct lladdr_info { const char *(*addr_string)(netdissect_options *, const u_char *); const u_char *addr; }; /* The printer routines. */ extern void aarp_print(netdissect_options *, const u_char *, u_int); extern int ah_print(netdissect_options *, register const u_char *); extern void ahcp_print(netdissect_options *, const u_char *, const u_int); extern void aodv_print(netdissect_options *, const u_char *, u_int, int); extern void aoe_print(netdissect_options *, const u_char *, const u_int); extern void arp_print(netdissect_options *, const u_char *, u_int, u_int); extern void ascii_print(netdissect_options *, const u_char *, u_int); extern void atalk_print(netdissect_options *, const u_char *, u_int); extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int); extern void babel_print(netdissect_options *, const u_char *, u_int); extern void beep_print(netdissect_options *, const u_char *, u_int); extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int); extern void bgp_print(netdissect_options *, const u_char *, int); extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *); extern void bootp_print(netdissect_options *, const u_char *, u_int); extern void calm_fast_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *); extern void carp_print(netdissect_options *, const u_char *, u_int, int); extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int); extern void cfm_print(netdissect_options *, const u_char *, u_int); extern u_int chdlc_print(netdissect_options *, register 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 decnet_print(netdissect_options *, const u_char *, u_int, u_int); extern void dhcp6_print(netdissect_options *, const u_char *, u_int); extern int dstopt_print(netdissect_options *, const u_char *); extern void dtp_print(netdissect_options *, const u_char *, u_int); extern void dvmrp_print(netdissect_options *, const u_char *, u_int); extern void eap_print(netdissect_options *, const u_char *, u_int); extern void egp_print(netdissect_options *, const u_char *, u_int); extern void eigrp_print(netdissect_options *, const u_char *, u_int); extern int esp_print(netdissect_options *, const u_char *, const int, const u_char *, int *, int *); extern u_int ether_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), const u_char *); extern int ethertype_print(netdissect_options *, u_short, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); extern u_int fddi_print(netdissect_options *, const u_char *, u_int, u_int); extern void forces_print(netdissect_options *, const u_char *, u_int); extern u_int fr_print(netdissect_options *, register const u_char *, u_int); extern int frag6_print(netdissect_options *, const u_char *, const u_char *); extern void ftp_print(netdissect_options *, const u_char *, u_int); extern void geneve_print(netdissect_options *, const u_char *, u_int); extern void geonet_print(netdissect_options *, const u_char *, u_int, const struct lladdr_info *); extern void gre_print(netdissect_options *, const u_char *, u_int); extern int hbhopt_print(netdissect_options *, const u_char *); extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int); extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int); extern void hex_print(netdissect_options *, const char *ident, const u_char *cp, u_int); extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp, u_int, u_int); extern void hncp_print(netdissect_options *, const u_char *, u_int); extern void hsrp_print(netdissect_options *, const u_char *, u_int); extern void http_print(netdissect_options *, const u_char *, u_int); extern void icmp6_print(netdissect_options *, const u_char *, u_int, const u_char *, int); extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); extern void igmp_print(netdissect_options *, const u_char *, u_int); extern void igrp_print(netdissect_options *, const u_char *, u_int); extern void ip6_print(netdissect_options *, const u_char *, u_int); extern void ipN_print(netdissect_options *, const u_char *, u_int); extern void ip_print(netdissect_options *, const u_char *, u_int); extern void ip_print_inner(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *); extern void ipcomp_print(netdissect_options *, register const u_char *); extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int); extern void ipx_print(netdissect_options *, const u_char *, u_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 *, u_int, const u_char *); extern void isoclns_print(netdissect_options *, const u_char *, u_int); extern void krb_print(netdissect_options *, const u_char *); extern void l2tp_print(netdissect_options *, const u_char *, u_int); extern void lane_print(netdissect_options *, const u_char *, u_int, u_int); extern void ldp_print(netdissect_options *, const u_char *, u_int); extern void lisp_print(netdissect_options *, const u_char *, u_int); extern u_int llap_print(netdissect_options *, const u_char *, u_int); extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); extern void lldp_print(netdissect_options *, const u_char *, u_int); extern void lmp_print(netdissect_options *, const u_char *, u_int); extern void loopback_print(netdissect_options *, const u_char *, const u_int); extern void lspping_print(netdissect_options *, const u_char *, u_int); extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int); extern void lwapp_data_print(netdissect_options *, const u_char *, u_int); extern void lwres_print(netdissect_options *, const u_char *, u_int); extern void m3ua_print(netdissect_options *, const u_char *, const u_int); extern void medsa_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *); extern u_int mfr_print(netdissect_options *, register const u_char *, u_int); extern void mobile_print(netdissect_options *, const u_char *, u_int); extern int mobility_print(netdissect_options *, const u_char *, const u_char *); extern void mpcp_print(netdissect_options *, const u_char *, u_int); extern void mpls_print(netdissect_options *, const u_char *, u_int); extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char); extern void msdp_print(netdissect_options *, const u_char *, u_int); extern void msnlb_print(netdissect_options *, const u_char *); extern void nbt_tcp_print(netdissect_options *, const u_char *, int); extern void nbt_udp137_print(netdissect_options *, const u_char *, int); extern void nbt_udp138_print(netdissect_options *, const u_char *, int); extern void netbeui_print(netdissect_options *, u_short, const u_char *, int); 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 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 nsh_print(netdissect_options *ndo, const u_char *bp, u_int len); extern void ntp_print(netdissect_options *, const u_char *, u_int); extern void oam_print(netdissect_options *, const u_char *, u_int, u_int); extern void olsr_print(netdissect_options *, const u_char *, u_int, int); extern void openflow_print(netdissect_options *, const u_char *, const u_int); extern void ospf6_print(netdissect_options *, const u_char *, u_int); extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *); extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int); extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int); extern void otv_print(netdissect_options *, const u_char *, u_int); extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void pimv1_print(netdissect_options *, const u_char *, u_int); extern u_int ppp_print(netdissect_options *, register const u_char *, u_int); extern u_int pppoe_print(netdissect_options *, const u_char *, u_int); extern void pptp_print(netdissect_options *, const u_char *); extern int print_unknown_data(netdissect_options *, const u_char *, const char *, int); extern char *q922_string(netdissect_options *, const u_char *, u_int); extern void q933_print(netdissect_options *, const u_char *, 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 rtsp_print(netdissect_options *, const u_char *, u_int); extern void rx_print(netdissect_options *, register const u_char *, int, int, int, const u_char *); extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int); extern void sflow_print(netdissect_options *, const u_char *, u_int); extern void sip_print(netdissect_options *, const u_char *, u_int); extern void slow_print(netdissect_options *, const u_char *, u_int); extern void smb_print_data(netdissect_options *, const unsigned char *, int); extern void smb_tcp_print(netdissect_options *, const u_char *, int); extern void smtp_print(netdissect_options *, const u_char *, u_int); extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, const struct lladdr_info *, const struct lladdr_info *, u_int); extern void snmp_print(netdissect_options *, const u_char *, u_int); extern void stp_print(netdissect_options *, const u_char *, u_int); extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void syslog_print(netdissect_options *, const u_char *, u_int); extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); extern void telnet_print(netdissect_options *, const u_char *, u_int); extern void tftp_print(netdissect_options *, const u_char *, u_int); extern void timed_print(netdissect_options *, const u_char *); extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int); extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int); extern void udld_print(netdissect_options *, const u_char *, u_int); extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); extern int vjc_print(netdissect_options *, register const char *, u_short); extern void vqp_print(netdissect_options *, register const u_char *, register u_int); extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int); extern void vtp_print(netdissect_options *, const u_char *, u_int); extern void vxlan_gpe_print(netdissect_options *ndo, const u_char *bp, u_int len); extern void vxlan_print(netdissect_options *, const u_char *, u_int); extern void wb_print(netdissect_options *, const void *, u_int); extern void zephyr_print(netdissect_options *, const u_char *, int); extern void zmtp1_print(netdissect_options *, const u_char *, u_int); extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const 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); 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); extern int nextproto4_cksum(netdissect_options *, const struct ip *, const uint8_t *, u_int, u_int, u_int); /* in print-ip6.c */ extern int nextproto6_cksum(netdissect_options *, const struct ip6_hdr *, const uint8_t *, u_int, u_int, u_int); /* Utilities */ extern int mask2plen(uint32_t); extern int mask62plen(const u_char *); extern const char *dnname_string(netdissect_options *, u_short); extern const char *dnnum_string(netdissect_options *, u_short); extern char *smb_errstr(int, int); extern const char *nt_errstr(uint32_t); extern int decode_prefix4(netdissect_options *, const u_char *, u_int, char *, u_int); extern int decode_prefix6(netdissect_options *, const u_char *, u_int, char *, u_int); extern void esp_print_decodesecret(netdissect_options *); extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *, int, u_char spii[8], u_char spir[8], const u_char *, const u_char *); #endif /* netdissect_h */