X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/195a4cfd9de46b47ac6794930e19e38ed263b05f..41ef9cfe38f86553ffd8f61b6f87e9c00baf5f07:/netdissect.h diff --git a/netdissect.h b/netdissect.h index a8d096f3..66ae4fad 100644 --- a/netdissect.h +++ b/netdissect.h @@ -29,10 +29,8 @@ #include "os-proto.h" #endif #include - -#ifndef HAVE___ATTRIBUTE__ -#define __attribute__(x) -#endif +#include +#include "status-exit-codes.h" /* * Data types corresponding to multi-byte integral values within data @@ -56,36 +54,45 @@ typedef unsigned char nd_uint64_t[8]; 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. + */ +typedef unsigned char nd_int32_t[4]; +typedef unsigned char nd_int64_t[8]; + /* * Use this for IPv4 addresses and netmasks. * * It's defined as an array of octets, so that it's not guaranteed to * be aligned on its "natural" boundary (in some packet formats, it - * *isn't* so aligned), and it's defined as a structure in the hopes - * that this makes it harder to naively use EXTRACT_BE_U_4() 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. + * *isn't* so aligned). We have separate EXTRACT_ calls for them; + * sometimes you want the host-byte-order value, other times you want + * the network-byte-order value. + * + * Don't use EXTRACT_BE_U_4() on them, use EXTRACT_IPV4_TO_HOST_ORDER() + * if you want them in host byte order and EXTRACT_IPV4_TO_NETWORK_ORDER() + * if you want them in network byte order (which you want with system APIs + * that expect network-order IPv4 addresses, such as inet_ntop()). * - * (Among other things, we don't want somebody thinking "IPv4 addresses, - * they're in network byte order, so we want EXTRACT_BE_U_4(), right?" - * and then handing the result to system APIs that expect network-order - * IPv4 addresses, such as inet_ntop(), on their little-endian PCs, getting - * the wrong behavior, and concluding "oh, it must be in *little*-endian - * order" and "fixing" it to use EXTRACT_LE_U_4(). Yes, people do this; - * that's why Wireshark has tvb_get_ipv4(), to extract an IPv4 address from - * a packet data buffer; it was introduced in reaction to somebody who - * *had* done that.) + * If, on your little-endian machine (e.g., an "IBM-compatible PC", no matter + * what the OS, or an Intel Mac, no matter what the OS), you get the wrong + * answer, and you've used EXTRACT_BE_U_4(), do *N*O*T* "fix" this by using + * EXTRACT_LE_U_4(), fix it by using EXTRACT_IPV4_TO_NETWORK_ORDER(), + * otherwise you're breaking the result on big-endian machines (e.g., + * most PowerPC/Power ISA machines, System/390 and z/Architecture, SPARC, + * etc.). + * + * Yes, people do this; that's why Wireshark has tvb_get_ipv4(), to extract + * an IPv4 address from a packet data buffer; it was introduced in reaction + * to somebody who *had* done that. */ -typedef struct { - unsigned char bytes[4]; -} nd_ipv4; +typedef unsigned char nd_ipv4[4]; /* * Use this for IPv6 addresses and netmasks. */ -typedef struct { - unsigned char bytes[16]; -} nd_ipv6; +typedef unsigned char nd_ipv6[16]; /* * Use this for MAC addresses. @@ -98,7 +105,12 @@ typedef unsigned char nd_mac_addr[MAC_ADDR_LEN]; */ typedef unsigned char nd_byte; -/* 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)+((y)-1))&(~((y)-1))) +#endif #include #include @@ -106,20 +118,6 @@ 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[]; - -#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 @@ -168,6 +166,32 @@ typedef struct netdissect_options netdissect_options; typedef u_int (*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 beginnning 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 */ +}; + struct netdissect_options { int ndo_bflag; /* print 4 byte ASes in ASDOT notation */ int ndo_eflag; /* print ethernet header */ @@ -186,6 +210,9 @@ struct netdissect_options { * LF, CR and SPACE as graphical chars */ int ndo_Hflag; /* dissect 802.11s draft mesh standard */ + const char *ndo_protocol; /* protocol */ + jmp_buf ndo_truncated; /* 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_suppress_default_print; /* don't use default_print() for unknown packet types */ int ndo_tstamp_precision; /* requested time stamp precision */ @@ -205,6 +232,9 @@ struct netdissect_options { 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; @@ -218,14 +248,22 @@ struct netdissect_options { PRINTFLIKE_FUNCPTR(2, 3); /* pointer to function to output errors */ void NORETURN_FUNCPTR (*ndo_error)(netdissect_options *, + status_exit_codes_t status, const char *fmt, ...) - PRINTFLIKE_FUNCPTR(2, 3); + PRINTFLIKE_FUNCPTR(3, 4); /* pointer to function to output warnings */ void (*ndo_warning)(netdissect_options *, const char *fmt, ...) PRINTFLIKE_FUNCPTR(2, 3); }; +extern int nd_push_buffer(netdissect_options *, u_char *, const u_char *, + const u_char *); +extern int nd_push_snapend(netdissect_options *, const u_char *); +extern void nd_change_snapend(netdissect_options *, const u_char *); +extern void nd_pop_packet_info(netdissect_options *); +extern void nd_pop_all_packet_info(netdissect_options *); + #define PT_VAT 1 /* Visual Audio Tool */ #define PT_WB 2 /* distributed White Board */ #define PT_RPC 3 /* Remote Procedure Call */ @@ -284,7 +322,7 @@ 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. @@ -310,28 +348,32 @@ struct netdissect_options { */ #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))) - #define ND_TTEST_LEN(p, l) \ (IS_NOT_NEGATIVE(l) && \ ((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \ (uintptr_t)(p) <= (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 +/* True if "*(p)" was captured */ +#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 -/* Bail if "var" was not captured */ -#define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var)) +/* 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) ((u_int)(((const uint8_t *)(p1)) - (const uint8_t *)(p2))) + +/* + * Number of bytes remaining in the captured data, starting at the + * byte pointed to by the argument. + */ +#define ND_BYTES_AVAILABLE_AFTER(p) ND_BYTES_BETWEEN(ndo->ndo_snapend, (p)) -#define ND_PRINT(STUFF) (ndo->ndo_printf)STUFF +#define ND_PRINT(...) (ndo->ndo_printf)(ndo, __VA_ARGS__) #define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length) extern void ts_print(netdissect_options *, const struct timeval *); @@ -339,10 +381,11 @@ 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 *); +extern void fn_print_str(netdissect_options *, const u_char *); +extern int nd_print(netdissect_options *, const u_char *, 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 *); /* * Flags for txtproto_print(). @@ -350,21 +393,36 @@ extern int fn_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); + 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. + * stripping the 8th bit from characters. + * + * Byte values outside the ASCII range are considered unprintable, so + * both ND_ISPRINT() and ND_ISGRAPH() return "false" for them. + * + * 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); +/* + * Locale-independent macros for coverting to upper or lower case. + * + * Byte values outside the ASCII range are not converted. Byte values + * *in* the ASCII range are converted to byte values in the ASCII range; + * in particular, 'i' is upper-cased to 'I" and 'I' is lower-cased to 'i', + * even in Turkish locales. + * + * 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_TOLOWER(c) (((c) >= 'A' && (c) <= 'Z') ? (c) - 'A' + 'a' : (c)) +#define ND_TOUPPER(c) (((c) >= 'a' && (c) <= 'z') ? (c) - 'a' + 'A' : (c)) #if (defined(__i386__) || defined(_M_IX86) || defined(__X86__) || defined(__x86_64__) || defined(_M_X64)) || \ (defined(__arm__) || defined(_M_ARM) || defined(__aarch64__)) || \ @@ -415,6 +473,8 @@ extern const char *tok2strary_internal(const char **, int, const char *, int); extern if_printer lookup_printer(int); +#define ND_DEBUG {printf(" [%s:%d %s] ", __FILE__, __LINE__, __FUNCTION__); fflush(stdout);} + /* The DLT printer routines */ extern u_int ap1394_if_print IF_PRINTER_ARGS; @@ -422,8 +482,12 @@ 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 brcm_tag_if_print IF_PRINTER_ARGS; +extern u_int brcm_tag_prepend_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 dsa_if_print IF_PRINTER_ARGS; +extern u_int edsa_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; @@ -432,7 +496,9 @@ 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 ieee802_15_4_tap_if_print IF_PRINTER_ARGS; extern u_int ipfc_if_print IF_PRINTER_ARGS; +extern u_int ipoib_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; @@ -468,11 +534,13 @@ 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 sll2_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 u_int vsock_if_print IF_PRINTER_ARGS; /* * Structure passed to some printers to allow them to print @@ -496,6 +564,7 @@ extern int ah_print(netdissect_options *, 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 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); @@ -504,10 +573,10 @@ 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 *, u_int); -extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *); +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, int); +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 cfm_print(netdissect_options *, const u_char *, u_int); extern u_int chdlc_print(netdissect_options *, const u_char *, u_int); @@ -516,14 +585,15 @@ 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 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 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 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_print_switch_tag(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); @@ -533,9 +603,8 @@ 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 hncp_print(netdissect_options *, const u_char *, u_int); @@ -543,17 +612,18 @@ 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 u_int ieee802_15_4_print(netdissect_options *, const u_char *, u_int); +extern u_int ieee802_11_radio_print(netdissect_options *, const u_char *, u_int, 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_print_inner(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *); 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); @@ -570,7 +640,6 @@ 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 *, 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 *); @@ -579,24 +648,24 @@ 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 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 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 const u_char *fqdn_print(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 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 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 int ospf_grace_lsa_print(netdissect_options *, const u_char *, u_int); +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 *); extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *); @@ -605,7 +674,7 @@ 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 char *q922_string(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 void resp_print(netdissect_options *, const u_char *, u_int); @@ -619,10 +688,11 @@ 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 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 ssh_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 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); @@ -636,14 +706,15 @@ 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 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 void *, u_int); +extern void wb_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 *, int); extern void zmtp1_print(netdissect_options *, const u_char *, u_int); extern void zmtp1_datagram_print(netdissect_options *, const u_char *, const u_int); @@ -660,23 +731,28 @@ 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_print_demux(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 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(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 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,