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Diffstat (limited to 'netdissect.h')
| -rw-r--r-- | netdissect.h | 663 |
1 files changed, 663 insertions, 0 deletions
diff --git a/netdissect.h b/netdissect.h new file mode 100644 index 000000000000..ac916c2a2e11 --- /dev/null +++ b/netdissect.h @@ -0,0 +1,663 @@ +/* + * Copyright (c) 1988-1997 + * The Regents of the University of California. All rights reserved. + * + * Copyright (c) 1998-2012 Michael Richardson <mcr@tcpdump.org> + * 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 <sys/types.h> + +#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 <stdarg.h> +#include <pcap.h> + +#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, const char *format, ...) +#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) +#ifdef __ATTRIBUTE___FORMAT_OK + __attribute__((format (printf, 3, 0))) +#endif /* __ATTRIBUTE___FORMAT_OK */ + ; +#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, ...) +#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS + __attribute__ ((format (printf, 2, 3))) +#endif + ; + /* pointer to function to output errors */ + void (*ndo_error)(netdissect_options *, + 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 */ + ; + /* pointer to function to output warnings */ + void (*ndo_warning)(netdissect_options *, + 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_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? + */ +#define MAXIMUM_SNAPLEN 262144 + +/* + * The default snapshot length is the maximum. + */ +#define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN + +#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, 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 */ |