X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/0cced4fcdcad0c011cb123371d557067da7c6bbe..refs/heads/master:/netdissect.h diff --git a/netdissect.h b/netdissect.h index 937c57e1..ca2b5665 100644 --- a/netdissect.h +++ b/netdissect.h @@ -29,7 +29,10 @@ #include "os-proto.h" #endif #include +#include +#include #include "status-exit-codes.h" +#include "funcattrs.h" /* for PRINTFLIKE_FUNCPTR() */ /* * Data types corresponding to multi-byte integral values within data @@ -55,11 +58,28 @@ typedef signed char nd_int8_t[1]; /* * "unsigned char" so that sign extension isn't done on the - * individual bytes while they're being assembled. + * individual bytes while they're being assembled. Use + * GET_S_BE_n() and GET_S_LE_n() macros to extract the value + * as a signed integer. */ +typedef unsigned char nd_int16_t[2]; +typedef unsigned char nd_int24_t[3]; typedef unsigned char nd_int32_t[4]; +typedef unsigned char nd_int40_t[5]; +typedef unsigned char nd_int48_t[6]; +typedef unsigned char nd_int56_t[7]; typedef unsigned char nd_int64_t[8]; +#define FMAXINT (4294967296.0) /* floating point rep. of MAXINT */ + +/* + * Data types corresponding to multi-byte floating_point values within + * data structures. These are defined as arrays of octets, for the + * same reason that we do so for integral values. + */ +typedef unsigned char nd_float[4]; +typedef unsigned char nd_double[8]; + /* * Use this for IPv4 addresses and netmasks. * @@ -96,15 +116,26 @@ typedef unsigned char nd_ipv6[16]; /* * Use this for MAC addresses. */ -#define MAC_ADDR_LEN 6 /* length of MAC addresses */ -typedef unsigned char nd_mac_addr[MAC_ADDR_LEN]; +#define MAC48_LEN 6U /* length of MAC addresses */ +typedef unsigned char nd_mac48[MAC48_LEN]; + +/* + * Use this for EUI64s. + */ +#define EUI64_LEN 8U +typedef unsigned char nd_eui64[EUI64_LEN]; /* * Use this for blobs of bytes; make them arrays of nd_byte. */ typedef unsigned char nd_byte; -/* nd_snprintf et al */ +/* + * Round up x to a multiple of y; y must be a power of 2. + */ +#ifndef roundup2 +#define roundup2(x, y) (((x)+((u_int)((y)-1)))&(~((u_int)((y)-1)))) +#endif #include #include @@ -112,10 +143,6 @@ typedef unsigned char nd_byte; #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[]; - #ifndef HAVE_STRLCAT extern size_t strlcat (char *, const char *, size_t); #endif @@ -123,10 +150,6 @@ extern size_t strlcat (char *, const char *, size_t); 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 @@ -136,13 +159,10 @@ struct tok { 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); +extern const char *tok2str(const struct tok *, const char *, const u_int); +extern char *bittok2str(const struct tok *, const char *, const u_int); +extern char *bittok2str_nosep(const struct tok *, const char *, const u_int); /* Initialize netdissect. */ extern int nd_init(char *, size_t); @@ -162,7 +182,36 @@ 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; +typedef void (*if_printer) IF_PRINTER_ARGS; + +/* + * In case the data in a buffer needs to be processed by being decrypted, + * decompressed, etc. before it's dissected, we can't process it in place, + * we have to allocate a new buffer for the processed data. + * + * We keep a stack of those buffers; when we allocate a new buffer, we + * push the current one onto a stack, and when we're done with the new + * buffer, we free the current buffer and pop the previous one off the + * stack. + * + * 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 + * packet-length field in the packet data and, when finished dissecting + * that part of the packet, restore the old snapshot end. We keep that + * on the stack with null buffer pointer, meaning there's nothing to + * free. + */ +struct netdissect_saved_packet_info { + u_char *ndspi_buffer; /* pointer to allocated buffer data */ + const u_char *ndspi_packetp; /* saved beginning of data */ + const u_char *ndspi_snapend; /* saved end of data */ + struct netdissect_saved_packet_info *ndspi_prev; /* previous buffer on the stack */ +}; + +/* 'val' value(s) for longjmp */ +#define ND_TRUNCATED 1 struct netdissect_options { int ndo_bflag; /* print 4 byte ASes in ASDOT notation */ @@ -183,8 +232,11 @@ struct netdissect_options { */ int ndo_Hflag; /* dissect 802.11s draft mesh standard */ const char *ndo_protocol; /* protocol */ + 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_lengths; /* print packet header caplen and len */ + 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 */ @@ -198,11 +250,15 @@ struct netdissect_options { int ndo_packettype; /* as specified by -T */ int ndo_snaplen; + int ndo_ll_hdr_len; /* link-layer header length */ /*global pointers to beginning and end of current packet (during printing) */ const u_char *ndo_packetp; const u_char *ndo_snapend; + /* stack of saved packet boundary and buffer information */ + struct netdissect_saved_packet_info *ndo_packet_info_stack; + /* pointer to the if_printer function */ if_printer ndo_if_printer; @@ -225,6 +281,17 @@ struct netdissect_options { PRINTFLIKE_FUNCPTR(2, 3); }; +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 *); + +/* + * Report a packet truncation with a longjmp(). + */ +NORETURN void nd_trunc_longjmp(netdissect_options *ndo); + #define PT_VAT 1 /* Visual Audio Tool */ #define PT_WB 2 /* distributed White Board */ #define PT_RPC 3 /* Remote Procedure Call */ @@ -242,13 +309,13 @@ struct netdissect_options { #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 */ +#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 */ -#ifndef min -#define min(a,b) ((a)>(b)?(b):(a)) -#endif -#ifndef max -#define max(a,b) ((b)>(a)?(b):(a)) -#endif +#define ND_MIN(a,b) ((a)>(b)?(b):(a)) +#define ND_MAX(a,b) ((b)>(a)?(b):(a)) /* For source or destination ports tests (UDP, TCP, ...) */ #define IS_SRC_OR_DST_PORT(p) (sport == (p) || dport == (p)) @@ -263,7 +330,7 @@ struct netdissect_options { * 1) big enough for maximum-size Linux loopback packets (65549) * and some USB packets captured with USBPcap: * - * http://desowin.org/usbpcap/ + * https://desowin.org/usbpcap/ * * (> 131072, < 262144) * @@ -283,7 +350,7 @@ struct netdissect_options { #define MAXIMUM_SNAPLEN 262144 /* - * True if "l" bytes of "var" were captured. + * True if "l" bytes from "p" 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. @@ -299,7 +366,7 @@ struct netdissect_options { * 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 + * https://www.kb.cert.org/vuls/id/162289 */ /* @@ -318,11 +385,70 @@ struct netdissect_options { #define ND_TTEST_SIZE(p) ND_TTEST_LEN(p, sizeof(*(p))) /* Bail out if "l" bytes from "p" were not captured */ -#define ND_TCHECK_LEN(p, l) if (!ND_TTEST_LEN(p, l)) goto trunc +#ifdef ND_LONGJMP_FROM_TCHECK +#define ND_TCHECK_LEN(p, l) \ +do { \ +if (!ND_TTEST_LEN(p, l)) nd_trunc_longjmp(ndo); \ +} while (0) +#else +#define ND_TCHECK_LEN(p, l) \ +do { \ +if (!ND_TTEST_LEN(p, l)) goto trunc; \ +} while (0) +#endif /* Bail out if "*(p)" was not captured */ #define ND_TCHECK_SIZE(p) ND_TCHECK_LEN(p, sizeof(*(p))) +/* + * Number of bytes between two pointers. + */ +#define ND_BYTES_BETWEEN(p1, p2) ((const u_char *)(p1) >= (const u_char *)(p2) ? 0 : ((u_int)(((const u_char *)(p2)) - (const u_char *)(p1)))) + +/* + * Number of bytes remaining in the captured data, starting at the + * byte pointed to by the argument. + */ +#define ND_BYTES_AVAILABLE_AFTER(p) ((const u_char *)(p) < ndo->ndo_packetp ? 0 : ND_BYTES_BETWEEN((p), ndo->ndo_snapend)) + +/* + * 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) \ +do { \ +if ((expression_1) operator (expression_2)) { \ +ND_PRINT(" [%s %u %s %u]", (message), (expression_1), (#operator), (expression_2)); \ +goto invalid; \ +} \ +} while (0) + +/* + * 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 (expression_1 operator expression_2) for invalid packet with + * a custom message, format %zu + */ +#define ND_ICHECKMSG_ZU(message, expression_1, operator, expression_2) \ +do { \ +if ((expression_1) operator (expression_2)) { \ +ND_PRINT(" [%s %u %s %zu]", (message), (expression_1), (#operator), (expression_2)); \ +goto invalid; \ +} \ +} while (0) + +/* + * 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) @@ -330,11 +456,16 @@ 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 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 int nd_print(netdissect_options *, const u_char *, const u_char *); -extern u_int nd_printztn(netdissect_options *ndo, const u_char *, u_int, const 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 *); extern int nd_printn(netdissect_options *, const u_char *, u_int, const u_char *); -extern int nd_printzp(netdissect_options *, const u_char *, u_int, const u_char *); +extern void nd_printjn(netdissect_options *, const u_char *, u_int); +extern void nd_printjnp(netdissect_options *, const u_char *, u_int); +extern void nd_print_bytes_hex(netdissect_options *, const u_char *, u_int); /* * Flags for txtproto_print(). @@ -342,20 +473,7 @@ extern int nd_printzp(netdissect_options *, const u_char *, u_int, const u_char #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 safeputs(netdissect_options *, const u_char *, const u_int); + const char **, u_int); #if (defined(__i386__) || defined(_M_IX86) || defined(__X86__) || defined(__x86_64__) || defined(_M_X64)) || \ (defined(__arm__) || defined(_M_ARM) || defined(__aarch64__)) || \ @@ -364,7 +482,7 @@ extern void safeputs(netdissect_options *, const u_char *, const u_int); (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? @@ -401,69 +519,87 @@ extern int unaligned_memcmp(const void *, const void *, size_t); #define PLURAL_SUFFIX(n) \ (((n) != 1) ? "s" : "") -extern const char *tok2strary_internal(const char **, int, const char *, int); +extern const char *tok2strary_internal(const char **, int, const char *, const int); #define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i) +struct uint_tokary +{ + u_int uintval; + const struct tok *tokary; +}; + +extern const struct tok *uint2tokary_internal(const struct uint_tokary[], const size_t, const u_int); +#define uint2tokary(a, i) uint2tokary_internal(a, sizeof(a)/sizeof(a[0]), i) + extern if_printer lookup_printer(int); +#define ND_DEBUG {printf(" [%s:%d %s] ", __FILE__, __LINE__, __func__); fflush(stdout);} + /* 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_if_print IF_PRINTER_ARGS; -extern u_int juniper_atm2_if_print IF_PRINTER_ARGS; -extern u_int juniper_chdlc_if_print IF_PRINTER_ARGS; -extern u_int juniper_es_if_print IF_PRINTER_ARGS; -extern u_int juniper_ether_if_print IF_PRINTER_ARGS; -extern u_int juniper_frelay_if_print IF_PRINTER_ARGS; -extern u_int juniper_ggsn_if_print IF_PRINTER_ARGS; -extern u_int juniper_mfr_if_print IF_PRINTER_ARGS; -extern u_int juniper_mlfr_if_print IF_PRINTER_ARGS; -extern u_int juniper_mlppp_if_print IF_PRINTER_ARGS; -extern u_int juniper_monitor_if_print IF_PRINTER_ARGS; -extern u_int juniper_ppp_if_print IF_PRINTER_ARGS; -extern u_int juniper_pppoe_atm_if_print IF_PRINTER_ARGS; -extern u_int juniper_pppoe_if_print IF_PRINTER_ARGS; -extern u_int juniper_services_if_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_if_print IF_PRINTER_ARGS; -extern u_int usb_linux_64_byte_if_print IF_PRINTER_ARGS; +extern void ap1394_if_print IF_PRINTER_ARGS; +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 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 edsa_if_print IF_PRINTER_ARGS; +extern void enc_if_print IF_PRINTER_ARGS; +extern void ether_if_print IF_PRINTER_ARGS; +extern void fddi_if_print IF_PRINTER_ARGS; +extern void fr_if_print IF_PRINTER_ARGS; +extern void ieee802_11_if_print IF_PRINTER_ARGS; +extern void ieee802_11_radio_avs_if_print IF_PRINTER_ARGS; +extern void ieee802_11_radio_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 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 juniper_es_if_print IF_PRINTER_ARGS; +extern void juniper_ether_if_print IF_PRINTER_ARGS; +extern void juniper_frelay_if_print IF_PRINTER_ARGS; +extern void juniper_ggsn_if_print IF_PRINTER_ARGS; +extern void juniper_mfr_if_print IF_PRINTER_ARGS; +extern void juniper_mlfr_if_print IF_PRINTER_ARGS; +extern void juniper_mlppp_if_print IF_PRINTER_ARGS; +extern void juniper_monitor_if_print IF_PRINTER_ARGS; +extern void juniper_ppp_if_print IF_PRINTER_ARGS; +extern void juniper_pppoe_atm_if_print IF_PRINTER_ARGS; +extern void juniper_pppoe_if_print IF_PRINTER_ARGS; +extern void juniper_services_if_print IF_PRINTER_ARGS; +extern void ltalk_if_print IF_PRINTER_ARGS; +extern void mfr_if_print IF_PRINTER_ARGS; +extern void netanalyzer_if_print IF_PRINTER_ARGS; +extern void netanalyzer_transparent_if_print IF_PRINTER_ARGS; +extern void nflog_if_print IF_PRINTER_ARGS; +extern void null_if_print IF_PRINTER_ARGS; +extern void pflog_if_print IF_PRINTER_ARGS; +extern void pktap_if_print IF_PRINTER_ARGS; +extern void ppi_if_print IF_PRINTER_ARGS; +extern void ppp_hdlc_if_print IF_PRINTER_ARGS; +extern void ppp_if_print IF_PRINTER_ARGS; +extern void pppoe_if_print IF_PRINTER_ARGS; +extern void prism_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 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 unsupported_if_print IF_PRINTER_ARGS; +extern void usb_linux_48_byte_if_print IF_PRINTER_ARGS; +extern void usb_linux_64_byte_if_print IF_PRINTER_ARGS; +extern void vsock_if_print IF_PRINTER_ARGS; /* * Structure passed to some printers to allow them to print @@ -484,14 +620,16 @@ struct lladdr_info { extern void aarp_print(netdissect_options *, const u_char *, u_int); extern int ah_print(netdissect_options *, const u_char *); -extern void ahcp_print(netdissect_options *, const u_char *, const u_int); +extern void ahcp_print(netdissect_options *, const u_char *, 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 int arista_ethertype_print(netdissect_options *,const u_char *, 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 bcm_li_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 *, u_int); @@ -499,52 +637,58 @@ extern const 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, u_int); -extern void cdp_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 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 domain_print(netdissect_options *, const u_char *, u_int, int, int); +extern int dstopt_process(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 eap_print(netdissect_options *, const u_char *, const u_int); +extern void eapol_print(netdissect_options *, const u_char *); 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 *, u_int *, u_int *); +extern void erspan_i_ii_print(netdissect_options *, uint16_t, const u_char *, u_int); +extern void erspan_iii_print(netdissect_options *, const u_char *, u_int); +extern void esp_print(netdissect_options *, const u_char *, u_int, const u_char *, u_int, int, u_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 u_int ether_switch_tag_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), u_int); 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 const u_char *fqdn_print(netdissect_options *, const u_char *, const u_char *); extern u_int fr_print(netdissect_options *, 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 int hbhopt_process(netdissect_options *, const u_char *, int *, uint32_t *); 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 hex_print(netdissect_options *, const char *indent, const u_char *cp, u_int); +extern void hex_print_with_offset(netdissect_options *, const char *indent, 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 icmp_print(netdissect_options *, const u_char *, u_int, int); +extern u_int ieee802_11_radio_print(netdissect_options *, const u_char *, u_int, u_int); +extern u_int ieee802_15_4_print(netdissect_options *, const u_char *, u_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_inner_print(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *); +extern void ip_print(netdissect_options *, const u_char *, const u_int); extern void ipcomp_print(netdissect_options *, 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 isakmp_rfc3948_print(netdissect_options *, const u_char *, u_int, const u_char *, int, int, u_int); 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); @@ -555,13 +699,13 @@ 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 loopback_print(netdissect_options *, const u_char *, 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 int macsec_print(netdissect_options *, const u_char **, u_int *, u_int *, u_int *, const struct lladdr_info *, const struct lladdr_info *); extern u_int mfr_print(netdissect_options *, 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 *); @@ -574,19 +718,18 @@ extern void nbt_tcp_print(netdissect_options *, const u_char *, u_int); extern void nbt_udp137_print(netdissect_options *, const u_char *, u_int); extern void nbt_udp138_print(netdissect_options *, const u_char *, u_int); extern void netbeui_print(netdissect_options *, u_short, const u_char *, u_int); -extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void nfsreply_noaddr_print(netdissect_options *, const u_char *, u_int, const u_char *); +extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void nfsreq_noaddr_print(netdissect_options *, const u_char *, u_int, const u_char *); -extern const u_char * ns_nprint(netdissect_options *, const u_char *, const u_char *); -extern void domain_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 nhrp_print(netdissect_options *, const u_char *, u_int); +extern void nsh_print(netdissect_options *, const u_char *, u_int); 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 openflow_print(netdissect_options *, const u_char *, 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_grace_lsa_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_te_lsa_print(netdissect_options *, const u_char *, 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 *); @@ -595,28 +738,32 @@ extern void pimv1_print(netdissect_options *, const u_char *, u_int); extern u_int ppp_print(netdissect_options *, 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 int print_unknown_data(netdissect_options *, const u_char *, const 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 void radius_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 *); +extern void radius_print(netdissect_options *, const u_char *, const 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, u_int, u_int, const u_char *); +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 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_data_print(netdissect_options *, const u_char *, u_int); extern void smb_tcp_print(netdissect_options *, const u_char *, u_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 someip_print(netdissect_options *, const u_char *, const u_int); +extern void ssh_print(netdissect_options *, const u_char *, u_int); extern void stp_print(netdissect_options *, const u_char *, u_int); extern void sunrpc_print(netdissect_options *, const u_char *, u_int, const u_char *); extern void syslog_print(netdissect_options *, const u_char *, u_int); @@ -627,20 +774,21 @@ 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 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 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 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 zephyr_print(netdissect_options *, const u_char *, int); -extern void zmtp1_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); @@ -651,23 +799,30 @@ struct cksum_vec { 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); +/* IP protocol demuxing routines */ +extern void ip_demux_print(netdissect_options *, const u_char *, u_int, u_int, int, u_int, uint8_t, const u_char *); + +extern uint16_t nextproto4_cksum(netdissect_options *, const struct ip *, const uint8_t *, u_int, u_int, uint8_t); /* in print-ip6.c */ -extern int nextproto6_cksum(netdissect_options *, const struct ip6_hdr *, const uint8_t *, u_int, u_int, u_int); +extern uint16_t nextproto6_cksum(netdissect_options *, const struct ip6_hdr *, const uint8_t *, u_int, u_int, uint8_t); /* Utilities */ -extern int mask2plen(uint32_t); +extern void nd_print_trunc(netdissect_options *); +extern void nd_print_protocol(netdissect_options *); +extern void nd_print_protocol_caps(netdissect_options *); +extern void nd_print_invalid(netdissect_options *); + +extern int mask2plen(const 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 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 int decode_prefix4(netdissect_options *, const u_char *, u_int, char *, size_t); +extern int decode_prefix6(netdissect_options *, const u_char *, u_int, char *, size_t); -extern void esp_print_decodesecret(netdissect_options *); -extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *, int, +extern void esp_decodesecret_print(netdissect_options *); +extern int esp_decrypt_buffer_by_ikev2_print(netdissect_options *, int, const u_char spii[8], const u_char spir[8], const u_char *, const u_char *);