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Diffstat (limited to '')
-rw-r--r-- | addrtoname.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/addrtoname.h b/addrtoname.h new file mode 100644 index 0000000..597f4e1 --- /dev/null +++ b/addrtoname.h @@ -0,0 +1,126 @@ +/* + * Copyright (c) 1990, 1992, 1993, 1994, 1995, 1996, 1997 + * The Regents of the University of California. All rights reserved. + * + * 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. + */ + +#include "extract.h" + +#ifdef HAVE_CASPER +#include <libcasper.h> +extern cap_channel_t *capdns; +#endif + +/* + * Definition to let us compile most of the IPv6 code even on systems + * without IPv6 support. + */ +#ifndef INET6_ADDRSTRLEN +#define INET6_ADDRSTRLEN 46 +#endif + +/* Name to address translation routines. */ + +enum { + LINKADDR_ETHER, + LINKADDR_FRELAY, + LINKADDR_IEEE1394, + LINKADDR_ATM, + LINKADDR_OTHER +}; + +#define BUFSIZE 128 + +extern const char *linkaddr_string(netdissect_options *, const uint8_t *, const unsigned int, const unsigned int); +extern const char *etheraddr_string(netdissect_options *, const uint8_t *); +extern const char *le64addr_string(netdissect_options *, const uint8_t *); +extern const char *tcpport_string(netdissect_options *, u_short); +extern const char *udpport_string(netdissect_options *, u_short); +extern const char *isonsap_string(netdissect_options *, const uint8_t *, u_int); +extern const char *dnaddr_string(netdissect_options *, u_short); +extern const char *ipxsap_string(netdissect_options *, u_short); +extern const char *ipaddr_string(netdissect_options *, const u_char *); +extern const char *ip6addr_string(netdissect_options *, const u_char *); +extern const char *intoa(uint32_t); + +extern void init_addrtoname(netdissect_options *, uint32_t, uint32_t); +extern struct hnamemem *newhnamemem(netdissect_options *); +extern struct h6namemem *newh6namemem(netdissect_options *); +extern const char * ieee8021q_tci_string(const uint16_t); + +/* macro(s) and inline function(s) with setjmp/longjmp logic to call + * the X_string() function(s) after bounds checking. + * The macro(s) must be used on a packet buffer pointer. + */ + +static inline const char * +get_linkaddr_string(netdissect_options *ndo, const uint8_t *p, + const unsigned int type, const unsigned int len) +{ + if (!ND_TTEST_LEN(p, len)) + nd_trunc_longjmp(ndo); + return linkaddr_string(ndo, p, type, len); +} + +static inline const char * +get_etheraddr_string(netdissect_options *ndo, const uint8_t *p) +{ + if (!ND_TTEST_LEN(p, MAC_ADDR_LEN)) + nd_trunc_longjmp(ndo); + return etheraddr_string(ndo, p); +} + +static inline const char * +get_le64addr_string(netdissect_options *ndo, const u_char *p) +{ + if (!ND_TTEST_8(p)) + nd_trunc_longjmp(ndo); + return le64addr_string(ndo, p); +} + +static inline const char * +get_isonsap_string(netdissect_options *ndo, const uint8_t *nsap, + u_int nsap_length) +{ + if (!ND_TTEST_LEN(nsap, nsap_length)) + nd_trunc_longjmp(ndo); + return isonsap_string(ndo, nsap, nsap_length); +} + +static inline const char * +get_ipaddr_string(netdissect_options *ndo, const u_char *p) +{ + if (!ND_TTEST_4(p)) + nd_trunc_longjmp(ndo); + return ipaddr_string(ndo, p); +} + +static inline const char * +get_ip6addr_string(netdissect_options *ndo, const u_char *p) +{ + if (!ND_TTEST_16(p)) + nd_trunc_longjmp(ndo); + return ip6addr_string(ndo, p); +} + +#define GET_LINKADDR_STRING(p, type, len) get_linkaddr_string(ndo, (const u_char *)(p), type, len) +#define GET_ETHERADDR_STRING(p) get_etheraddr_string(ndo, (const u_char *)(p)) +#define GET_LE64ADDR_STRING(p) get_le64addr_string(ndo, (const u_char *)(p)) +#define GET_ISONSAP_STRING(nsap, nsap_length) get_isonsap_string(ndo, (const u_char *)(nsap), nsap_length) +#define GET_IPADDR_STRING(p) get_ipaddr_string(ndo, (const u_char *)(p)) +#define GET_IP6ADDR_STRING(p) get_ip6addr_string(ndo, (const u_char *)(p)) |