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Diffstat (limited to 'contrib/tcpdump/addrtoname.c')
| -rw-r--r-- | contrib/tcpdump/addrtoname.c | 1178 |
1 files changed, 0 insertions, 1178 deletions
diff --git a/contrib/tcpdump/addrtoname.c b/contrib/tcpdump/addrtoname.c deleted file mode 100644 index 53d615f..0000000 --- a/contrib/tcpdump/addrtoname.c +++ /dev/null @@ -1,1178 +0,0 @@ -/* - * Copyright (c) 1990, 1991, 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. - * - * Internet, ethernet, port, and protocol string to address - * and address to string conversion routines - */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/addrtoname.c,v 1.108.2.9 2007/09/14 00:26:18 guy Exp $ (LBL)"; -#endif - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <tcpdump-stdinc.h> - -#ifdef USE_ETHER_NTOHOST -#ifdef HAVE_NETINET_IF_ETHER_H -struct mbuf; /* Squelch compiler warnings on some platforms for */ -struct rtentry; /* declarations in <net/if.h> */ -#include <net/if.h> /* for "struct ifnet" in "struct arpcom" on Solaris */ -#include <netinet/if_ether.h> -#endif /* HAVE_NETINET_IF_ETHER_H */ -#ifdef NETINET_ETHER_H_DECLARES_ETHER_NTOHOST -#include <netinet/ether.h> -#endif /* NETINET_ETHER_H_DECLARES_ETHER_NTOHOST */ - -#if !defined(HAVE_DECL_ETHER_NTOHOST) || !HAVE_DECL_ETHER_NTOHOST -#ifndef HAVE_STRUCT_ETHER_ADDR -struct ether_addr { - unsigned char ether_addr_octet[6]; -}; -#endif -extern int ether_ntohost(char *, const struct ether_addr *); -#endif - -#endif /* USE_ETHER_NTOHOST */ - -#include <pcap.h> -#include <pcap-namedb.h> -#include <signal.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> - -#include "interface.h" -#include "addrtoname.h" -#include "llc.h" -#include "setsignal.h" -#include "extract.h" -#include "oui.h" - -#ifndef ETHER_ADDR_LEN -#define ETHER_ADDR_LEN 6 -#endif - -/* - * hash tables for whatever-to-name translations - * - * XXX there has to be error checks against strdup(3) failure - */ - -#define HASHNAMESIZE 4096 -#define BUFSIZE 128 - -struct hnamemem { - u_int32_t addr; - const char *name; - struct hnamemem *nxt; -}; - -struct hnamemem hnametable[HASHNAMESIZE]; -struct hnamemem tporttable[HASHNAMESIZE]; -struct hnamemem uporttable[HASHNAMESIZE]; -struct hnamemem eprototable[HASHNAMESIZE]; -struct hnamemem dnaddrtable[HASHNAMESIZE]; -struct hnamemem ipxsaptable[HASHNAMESIZE]; - -#if defined(INET6) && defined(WIN32) -/* - * fake gethostbyaddr for Win2k/XP - * gethostbyaddr() returns incorrect value when AF_INET6 is passed - * to 3rd argument. - * - * h_name in struct hostent is only valid. - */ -static struct hostent * -win32_gethostbyaddr(const char *addr, int len, int type) -{ - static struct hostent host; - static char hostbuf[NI_MAXHOST]; - char hname[NI_MAXHOST]; - struct sockaddr_in6 addr6; - - host.h_name = hostbuf; - switch (type) { - case AF_INET: - return gethostbyaddr(addr, len, type); - break; - case AF_INET6: - memset(&addr6, 0, sizeof(addr6)); - addr6.sin6_family = AF_INET6; - memcpy(&addr6.sin6_addr, addr, len); - if (getnameinfo((struct sockaddr *)&addr6, sizeof(addr6), - hname, sizeof(hname), NULL, 0, 0)) { - return NULL; - } else { - strcpy(host.h_name, hname); - return &host; - } - break; - default: - return NULL; - } -} -#define gethostbyaddr win32_gethostbyaddr -#endif /* INET6 & WIN32 */ - -#ifdef INET6 -struct h6namemem { - struct in6_addr addr; - char *name; - struct h6namemem *nxt; -}; - -struct h6namemem h6nametable[HASHNAMESIZE]; -#endif /* INET6 */ - -struct enamemem { - u_short e_addr0; - u_short e_addr1; - u_short e_addr2; - const char *e_name; - u_char *e_nsap; /* used only for nsaptable[] */ -#define e_bs e_nsap /* for bytestringtable */ - struct enamemem *e_nxt; -}; - -struct enamemem enametable[HASHNAMESIZE]; -struct enamemem nsaptable[HASHNAMESIZE]; -struct enamemem bytestringtable[HASHNAMESIZE]; - -struct protoidmem { - u_int32_t p_oui; - u_short p_proto; - const char *p_name; - struct protoidmem *p_nxt; -}; - -struct protoidmem protoidtable[HASHNAMESIZE]; - -/* - * A faster replacement for inet_ntoa(). - */ -const char * -intoa(u_int32_t addr) -{ - register char *cp; - register u_int byte; - register int n; - static char buf[sizeof(".xxx.xxx.xxx.xxx")]; - - NTOHL(addr); - cp = buf + sizeof(buf); - *--cp = '\0'; - - n = 4; - do { - byte = addr & 0xff; - *--cp = byte % 10 + '0'; - byte /= 10; - if (byte > 0) { - *--cp = byte % 10 + '0'; - byte /= 10; - if (byte > 0) - *--cp = byte + '0'; - } - *--cp = '.'; - addr >>= 8; - } while (--n > 0); - - return cp + 1; -} - -static u_int32_t f_netmask; -static u_int32_t f_localnet; - -/* - * Return a name for the IP address pointed to by ap. This address - * is assumed to be in network byte order. - * - * NOTE: ap is *NOT* necessarily part of the packet data (not even if - * this is being called with the "ipaddr_string()" macro), so you - * *CANNOT* use the TCHECK{2}/TTEST{2} macros on it. Furthermore, - * even in cases where it *is* part of the packet data, the caller - * would still have to check for a null return value, even if it's - * just printing the return value with "%s" - not all versions of - * printf print "(null)" with "%s" and a null pointer, some of them - * don't check for a null pointer and crash in that case. - * - * The callers of this routine should, before handing this routine - * a pointer to packet data, be sure that the data is present in - * the packet buffer. They should probably do those checks anyway, - * as other data at that layer might not be IP addresses, and it - * also needs to check whether they're present in the packet buffer. - */ -const char * -getname(const u_char *ap) -{ - register struct hostent *hp; - u_int32_t addr; - static struct hnamemem *p; /* static for longjmp() */ - - memcpy(&addr, ap, sizeof(addr)); - p = &hnametable[addr & (HASHNAMESIZE-1)]; - for (; p->nxt; p = p->nxt) { - if (p->addr == addr) - return (p->name); - } - p->addr = addr; - p->nxt = newhnamemem(); - - /* - * Print names unless: - * (1) -n was given. - * (2) Address is foreign and -f was given. (If -f was not - * given, f_netmask and f_localnet are 0 and the test - * evaluates to true) - */ - if (!nflag && - (addr & f_netmask) == f_localnet) { - hp = gethostbyaddr((char *)&addr, 4, AF_INET); - if (hp) { - char *dotp; - - p->name = strdup(hp->h_name); - if (Nflag) { - /* Remove domain qualifications */ - dotp = strchr(p->name, '.'); - if (dotp) - *dotp = '\0'; - } - return (p->name); - } - } - p->name = strdup(intoa(addr)); - return (p->name); -} - -#ifdef INET6 -/* - * Return a name for the IP6 address pointed to by ap. This address - * is assumed to be in network byte order. - */ -const char * -getname6(const u_char *ap) -{ - register struct hostent *hp; - struct in6_addr addr; - static struct h6namemem *p; /* static for longjmp() */ - register const char *cp; - char ntop_buf[INET6_ADDRSTRLEN]; - - memcpy(&addr, ap, sizeof(addr)); - p = &h6nametable[*(u_int16_t *)&addr.s6_addr[14] & (HASHNAMESIZE-1)]; - for (; p->nxt; p = p->nxt) { - if (memcmp(&p->addr, &addr, sizeof(addr)) == 0) - return (p->name); - } - p->addr = addr; - p->nxt = newh6namemem(); - - /* - * Do not print names if -n was given. - */ - if (!nflag) { - hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET6); - if (hp) { - char *dotp; - - p->name = strdup(hp->h_name); - if (Nflag) { - /* Remove domain qualifications */ - dotp = strchr(p->name, '.'); - if (dotp) - *dotp = '\0'; - } - return (p->name); - } - } - cp = inet_ntop(AF_INET6, &addr, ntop_buf, sizeof(ntop_buf)); - p->name = strdup(cp); - return (p->name); -} -#endif /* INET6 */ - -static char hex[] = "0123456789abcdef"; - - -/* Find the hash node that corresponds the ether address 'ep' */ - -static inline struct enamemem * -lookup_emem(const u_char *ep) -{ - register u_int i, j, k; - struct enamemem *tp; - - k = (ep[0] << 8) | ep[1]; - j = (ep[2] << 8) | ep[3]; - i = (ep[4] << 8) | ep[5]; - - tp = &enametable[(i ^ j) & (HASHNAMESIZE-1)]; - while (tp->e_nxt) - if (tp->e_addr0 == i && - tp->e_addr1 == j && - tp->e_addr2 == k) - return tp; - else - tp = tp->e_nxt; - tp->e_addr0 = i; - tp->e_addr1 = j; - tp->e_addr2 = k; - tp->e_nxt = (struct enamemem *)calloc(1, sizeof(*tp)); - if (tp->e_nxt == NULL) - error("lookup_emem: calloc"); - - return tp; -} - -/* - * Find the hash node that corresponds to the bytestring 'bs' - * with length 'nlen' - */ - -static inline struct enamemem * -lookup_bytestring(register const u_char *bs, const unsigned int nlen) -{ - struct enamemem *tp; - register u_int i, j, k; - - if (nlen >= 6) { - k = (bs[0] << 8) | bs[1]; - j = (bs[2] << 8) | bs[3]; - i = (bs[4] << 8) | bs[5]; - } else if (nlen >= 4) { - k = (bs[0] << 8) | bs[1]; - j = (bs[2] << 8) | bs[3]; - i = 0; - } else - i = j = k = 0; - - tp = &bytestringtable[(i ^ j) & (HASHNAMESIZE-1)]; - while (tp->e_nxt) - if (tp->e_addr0 == i && - tp->e_addr1 == j && - tp->e_addr2 == k && - memcmp((const char *)bs, (const char *)(tp->e_bs), nlen) == 0) - return tp; - else - tp = tp->e_nxt; - - tp->e_addr0 = i; - tp->e_addr1 = j; - tp->e_addr2 = k; - - tp->e_bs = (u_char *) calloc(1, nlen + 1); - memcpy(tp->e_bs, bs, nlen); - tp->e_nxt = (struct enamemem *)calloc(1, sizeof(*tp)); - if (tp->e_nxt == NULL) - error("lookup_bytestring: calloc"); - - return tp; -} - -/* Find the hash node that corresponds the NSAP 'nsap' */ - -static inline struct enamemem * -lookup_nsap(register const u_char *nsap) -{ - register u_int i, j, k; - unsigned int nlen = *nsap; - struct enamemem *tp; - const u_char *ensap = nsap + nlen - 6; - - if (nlen > 6) { - k = (ensap[0] << 8) | ensap[1]; - j = (ensap[2] << 8) | ensap[3]; - i = (ensap[4] << 8) | ensap[5]; - } - else - i = j = k = 0; - - tp = &nsaptable[(i ^ j) & (HASHNAMESIZE-1)]; - while (tp->e_nxt) - if (tp->e_addr0 == i && - tp->e_addr1 == j && - tp->e_addr2 == k && - tp->e_nsap[0] == nlen && - memcmp((const char *)&(nsap[1]), - (char *)&(tp->e_nsap[1]), nlen) == 0) - return tp; - else - tp = tp->e_nxt; - tp->e_addr0 = i; - tp->e_addr1 = j; - tp->e_addr2 = k; - tp->e_nsap = (u_char *)malloc(nlen + 1); - if (tp->e_nsap == NULL) - error("lookup_nsap: malloc"); - memcpy((char *)tp->e_nsap, (const char *)nsap, nlen + 1); - tp->e_nxt = (struct enamemem *)calloc(1, sizeof(*tp)); - if (tp->e_nxt == NULL) - error("lookup_nsap: calloc"); - - return tp; -} - -/* Find the hash node that corresponds the protoid 'pi'. */ - -static inline struct protoidmem * -lookup_protoid(const u_char *pi) -{ - register u_int i, j; - struct protoidmem *tp; - - /* 5 octets won't be aligned */ - i = (((pi[0] << 8) + pi[1]) << 8) + pi[2]; - j = (pi[3] << 8) + pi[4]; - /* XXX should be endian-insensitive, but do big-endian testing XXX */ - - tp = &protoidtable[(i ^ j) & (HASHNAMESIZE-1)]; - while (tp->p_nxt) - if (tp->p_oui == i && tp->p_proto == j) - return tp; - else - tp = tp->p_nxt; - tp->p_oui = i; - tp->p_proto = j; - tp->p_nxt = (struct protoidmem *)calloc(1, sizeof(*tp)); - if (tp->p_nxt == NULL) - error("lookup_protoid: calloc"); - - return tp; -} - -const char * -etheraddr_string(register const u_char *ep) -{ - register int i; - register char *cp; - register struct enamemem *tp; - int oui; - char buf[BUFSIZE]; - - tp = lookup_emem(ep); - if (tp->e_name) - return (tp->e_name); -#ifdef USE_ETHER_NTOHOST - if (!nflag) { - char buf2[BUFSIZE]; - - /* - * We don't cast it to "const struct ether_addr *" - * because some systems fail to declare the second - * argument as a "const" pointer, even though they - * don't modify what it points to. - */ - if (ether_ntohost(buf2, (struct ether_addr *)ep) == 0) { - tp->e_name = strdup(buf2); - return (tp->e_name); - } - } -#endif - cp = buf; - oui = EXTRACT_24BITS(ep); - *cp++ = hex[*ep >> 4 ]; - *cp++ = hex[*ep++ & 0xf]; - for (i = 5; --i >= 0;) { - *cp++ = ':'; - *cp++ = hex[*ep >> 4 ]; - *cp++ = hex[*ep++ & 0xf]; - } - - if (!nflag) { - snprintf(cp, BUFSIZE - (2 + 5*3), " (oui %s)", - tok2str(oui_values, "Unknown", oui)); - } else - *cp = '\0'; - tp->e_name = strdup(buf); - return (tp->e_name); -} - -const char * -linkaddr_string(const u_char *ep, const unsigned int len) -{ - register u_int i; - register char *cp; - register struct enamemem *tp; - - if (len == ETHER_ADDR_LEN) /* XXX not totally correct... */ - return etheraddr_string(ep); - - tp = lookup_bytestring(ep, len); - if (tp->e_name) - return (tp->e_name); - - tp->e_name = cp = (char *)malloc(len*3); - if (tp->e_name == NULL) - error("linkaddr_string: malloc"); - *cp++ = hex[*ep >> 4]; - *cp++ = hex[*ep++ & 0xf]; - for (i = len-1; i > 0 ; --i) { - *cp++ = ':'; - *cp++ = hex[*ep >> 4]; - *cp++ = hex[*ep++ & 0xf]; - } - *cp = '\0'; - return (tp->e_name); -} - -const char * -etherproto_string(u_short port) -{ - register char *cp; - register struct hnamemem *tp; - register u_int32_t i = port; - char buf[sizeof("0000")]; - - for (tp = &eprototable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt) - if (tp->addr == i) - return (tp->name); - - tp->addr = i; - tp->nxt = newhnamemem(); - - cp = buf; - NTOHS(port); - *cp++ = hex[port >> 12 & 0xf]; - *cp++ = hex[port >> 8 & 0xf]; - *cp++ = hex[port >> 4 & 0xf]; - *cp++ = hex[port & 0xf]; - *cp++ = '\0'; - tp->name = strdup(buf); - return (tp->name); -} - -const char * -protoid_string(register const u_char *pi) -{ - register u_int i, j; - register char *cp; - register struct protoidmem *tp; - char buf[sizeof("00:00:00:00:00")]; - - tp = lookup_protoid(pi); - if (tp->p_name) - return tp->p_name; - - cp = buf; - if ((j = *pi >> 4) != 0) - *cp++ = hex[j]; - *cp++ = hex[*pi++ & 0xf]; - for (i = 4; (int)--i >= 0;) { - *cp++ = ':'; - if ((j = *pi >> 4) != 0) - *cp++ = hex[j]; - *cp++ = hex[*pi++ & 0xf]; - } - *cp = '\0'; - tp->p_name = strdup(buf); - return (tp->p_name); -} - -#define ISONSAP_MAX_LENGTH 20 -const char * -isonsap_string(const u_char *nsap, register u_int nsap_length) -{ - register u_int nsap_idx; - register char *cp; - register struct enamemem *tp; - - if (nsap_length < 1 || nsap_length > ISONSAP_MAX_LENGTH) - return ("isonsap_string: illegal length"); - - tp = lookup_nsap(nsap); - if (tp->e_name) - return tp->e_name; - - tp->e_name = cp = (char *)malloc(sizeof("xx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xxxx.xx")); - if (cp == NULL) - error("isonsap_string: malloc"); - - for (nsap_idx = 0; nsap_idx < nsap_length; nsap_idx++) { - *cp++ = hex[*nsap >> 4]; - *cp++ = hex[*nsap++ & 0xf]; - if (((nsap_idx & 1) == 0) && - (nsap_idx + 1 < nsap_length)) { - *cp++ = '.'; - } - } - *cp = '\0'; - return (tp->e_name); -} - -const char * -tcpport_string(u_short port) -{ - register struct hnamemem *tp; - register u_int32_t i = port; - char buf[sizeof("00000")]; - - for (tp = &tporttable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt) - if (tp->addr == i) - return (tp->name); - - tp->addr = i; - tp->nxt = newhnamemem(); - - (void)snprintf(buf, sizeof(buf), "%u", i); - tp->name = strdup(buf); - return (tp->name); -} - -const char * -udpport_string(register u_short port) -{ - register struct hnamemem *tp; - register u_int32_t i = port; - char buf[sizeof("00000")]; - - for (tp = &uporttable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt) - if (tp->addr == i) - return (tp->name); - - tp->addr = i; - tp->nxt = newhnamemem(); - - (void)snprintf(buf, sizeof(buf), "%u", i); - tp->name = strdup(buf); - return (tp->name); -} - -const char * -ipxsap_string(u_short port) -{ - register char *cp; - register struct hnamemem *tp; - register u_int32_t i = port; - char buf[sizeof("0000")]; - - for (tp = &ipxsaptable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt) - if (tp->addr == i) - return (tp->name); - - tp->addr = i; - tp->nxt = newhnamemem(); - - cp = buf; - NTOHS(port); - *cp++ = hex[port >> 12 & 0xf]; - *cp++ = hex[port >> 8 & 0xf]; - *cp++ = hex[port >> 4 & 0xf]; - *cp++ = hex[port & 0xf]; - *cp++ = '\0'; - tp->name = strdup(buf); - return (tp->name); -} - -static void -init_servarray(void) -{ - struct servent *sv; - register struct hnamemem *table; - register int i; - char buf[sizeof("0000000000")]; - - while ((sv = getservent()) != NULL) { - int port = ntohs(sv->s_port); - i = port & (HASHNAMESIZE-1); - if (strcmp(sv->s_proto, "tcp") == 0) - table = &tporttable[i]; - else if (strcmp(sv->s_proto, "udp") == 0) - table = &uporttable[i]; - else - continue; - - while (table->name) - table = table->nxt; - if (nflag) { - (void)snprintf(buf, sizeof(buf), "%d", port); - table->name = strdup(buf); - } else - table->name = strdup(sv->s_name); - table->addr = port; - table->nxt = newhnamemem(); - } - endservent(); -} - -/* in libpcap.a (nametoaddr.c) */ -#if defined(WIN32) && !defined(USE_STATIC_LIBPCAP) -__declspec(dllimport) -#else -extern -#endif -const struct eproto { - const char *s; - u_short p; -} eproto_db[]; - -static void -init_eprotoarray(void) -{ - register int i; - register struct hnamemem *table; - - for (i = 0; eproto_db[i].s; i++) { - int j = htons(eproto_db[i].p) & (HASHNAMESIZE-1); - table = &eprototable[j]; - while (table->name) - table = table->nxt; - table->name = eproto_db[i].s; - table->addr = htons(eproto_db[i].p); - table->nxt = newhnamemem(); - } -} - -static struct protoidlist { - const u_char protoid[5]; - const char *name; -} protoidlist[] = { - {{ 0x00, 0x00, 0x0c, 0x01, 0x07 }, "CiscoMLS" }, - {{ 0x00, 0x00, 0x0c, 0x20, 0x00 }, "CiscoCDP" }, - {{ 0x00, 0x00, 0x0c, 0x20, 0x01 }, "CiscoCGMP" }, - {{ 0x00, 0x00, 0x0c, 0x20, 0x03 }, "CiscoVTP" }, - {{ 0x00, 0xe0, 0x2b, 0x00, 0xbb }, "ExtremeEDP" }, - {{ 0x00, 0x00, 0x00, 0x00, 0x00 }, NULL } -}; - -/* - * SNAP proto IDs with org code 0:0:0 are actually encapsulated Ethernet - * types. - */ -static void -init_protoidarray(void) -{ - register int i; - register struct protoidmem *tp; - struct protoidlist *pl; - u_char protoid[5]; - - protoid[0] = 0; - protoid[1] = 0; - protoid[2] = 0; - for (i = 0; eproto_db[i].s; i++) { - u_short etype = htons(eproto_db[i].p); - - memcpy((char *)&protoid[3], (char *)&etype, 2); - tp = lookup_protoid(protoid); - tp->p_name = strdup(eproto_db[i].s); - } - /* Hardwire some SNAP proto ID names */ - for (pl = protoidlist; pl->name != NULL; ++pl) { - tp = lookup_protoid(pl->protoid); - /* Don't override existing name */ - if (tp->p_name != NULL) - continue; - - tp->p_name = pl->name; - } -} - -static struct etherlist { - const u_char addr[6]; - const char *name; -} etherlist[] = { - {{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }, "Broadcast" }, - {{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, NULL } -}; - -/* - * Initialize the ethers hash table. We take two different approaches - * depending on whether or not the system provides the ethers name - * service. If it does, we just wire in a few names at startup, - * and etheraddr_string() fills in the table on demand. If it doesn't, - * then we suck in the entire /etc/ethers file at startup. The idea - * is that parsing the local file will be fast, but spinning through - * all the ethers entries via NIS & next_etherent might be very slow. - * - * XXX pcap_next_etherent doesn't belong in the pcap interface, but - * since the pcap module already does name-to-address translation, - * it's already does most of the work for the ethernet address-to-name - * translation, so we just pcap_next_etherent as a convenience. - */ -static void -init_etherarray(void) -{ - register struct etherlist *el; - register struct enamemem *tp; -#ifdef USE_ETHER_NTOHOST - char name[256]; -#else - register struct pcap_etherent *ep; - register FILE *fp; - - /* Suck in entire ethers file */ - fp = fopen(PCAP_ETHERS_FILE, "r"); - if (fp != NULL) { - while ((ep = pcap_next_etherent(fp)) != NULL) { - tp = lookup_emem(ep->addr); - tp->e_name = strdup(ep->name); - } - (void)fclose(fp); - } -#endif - - /* Hardwire some ethernet names */ - for (el = etherlist; el->name != NULL; ++el) { - tp = lookup_emem(el->addr); - /* Don't override existing name */ - if (tp->e_name != NULL) - continue; - -#ifdef USE_ETHER_NTOHOST - /* - * Use YP/NIS version of name if available. - * - * We don't cast it to "const struct ether_addr *" - * because some systems don't modify the Ethernet - * address but fail to declare the second argument - * as a "const" pointer. - */ - if (ether_ntohost(name, (struct ether_addr *)el->addr) == 0) { - tp->e_name = strdup(name); - continue; - } -#endif - tp->e_name = el->name; - } -} - -static struct tok ipxsap_db[] = { - { 0x0000, "Unknown" }, - { 0x0001, "User" }, - { 0x0002, "User Group" }, - { 0x0003, "PrintQueue" }, - { 0x0004, "FileServer" }, - { 0x0005, "JobServer" }, - { 0x0006, "Gateway" }, - { 0x0007, "PrintServer" }, - { 0x0008, "ArchiveQueue" }, - { 0x0009, "ArchiveServer" }, - { 0x000a, "JobQueue" }, - { 0x000b, "Administration" }, - { 0x000F, "Novell TI-RPC" }, - { 0x0017, "Diagnostics" }, - { 0x0020, "NetBIOS" }, - { 0x0021, "NAS SNA Gateway" }, - { 0x0023, "NACS AsyncGateway" }, - { 0x0024, "RemoteBridge/RoutingService" }, - { 0x0026, "BridgeServer" }, - { 0x0027, "TCP/IP Gateway" }, - { 0x0028, "Point-to-point X.25 BridgeServer" }, - { 0x0029, "3270 Gateway" }, - { 0x002a, "CHI Corp" }, - { 0x002c, "PC Chalkboard" }, - { 0x002d, "TimeSynchServer" }, - { 0x002e, "ARCserve5.0/PalindromeBackup" }, - { 0x0045, "DI3270 Gateway" }, - { 0x0047, "AdvertisingPrintServer" }, - { 0x004a, "NetBlazerModems" }, - { 0x004b, "BtrieveVAP" }, - { 0x004c, "NetwareSQL" }, - { 0x004d, "XtreeNetwork" }, - { 0x0050, "BtrieveVAP4.11" }, - { 0x0052, "QuickLink" }, - { 0x0053, "PrintQueueUser" }, - { 0x0058, "Multipoint X.25 Router" }, - { 0x0060, "STLB/NLM" }, - { 0x0064, "ARCserve" }, - { 0x0066, "ARCserve3.0" }, - { 0x0072, "WAN CopyUtility" }, - { 0x007a, "TES-NetwareVMS" }, - { 0x0092, "WATCOM Debugger/EmeraldTapeBackupServer" }, - { 0x0095, "DDA OBGYN" }, - { 0x0098, "NetwareAccessServer" }, - { 0x009a, "Netware for VMS II/NamedPipeServer" }, - { 0x009b, "NetwareAccessServer" }, - { 0x009e, "PortableNetwareServer/SunLinkNVT" }, - { 0x00a1, "PowerchuteAPC UPS" }, - { 0x00aa, "LAWserve" }, - { 0x00ac, "CompaqIDA StatusMonitor" }, - { 0x0100, "PIPE STAIL" }, - { 0x0102, "LAN ProtectBindery" }, - { 0x0103, "OracleDataBaseServer" }, - { 0x0107, "Netware386/RSPX RemoteConsole" }, - { 0x010f, "NovellSNA Gateway" }, - { 0x0111, "TestServer" }, - { 0x0112, "HP PrintServer" }, - { 0x0114, "CSA MUX" }, - { 0x0115, "CSA LCA" }, - { 0x0116, "CSA CM" }, - { 0x0117, "CSA SMA" }, - { 0x0118, "CSA DBA" }, - { 0x0119, "CSA NMA" }, - { 0x011a, "CSA SSA" }, - { 0x011b, "CSA STATUS" }, - { 0x011e, "CSA APPC" }, - { 0x0126, "SNA TEST SSA Profile" }, - { 0x012a, "CSA TRACE" }, - { 0x012b, "NetwareSAA" }, - { 0x012e, "IKARUS VirusScan" }, - { 0x0130, "CommunicationsExecutive" }, - { 0x0133, "NNS DomainServer/NetwareNamingServicesDomain" }, - { 0x0135, "NetwareNamingServicesProfile" }, - { 0x0137, "Netware386 PrintQueue/NNS PrintQueue" }, - { 0x0141, "LAN SpoolServer" }, - { 0x0152, "IRMALAN Gateway" }, - { 0x0154, "NamedPipeServer" }, - { 0x0166, "NetWareManagement" }, - { 0x0168, "Intel PICKIT CommServer/Intel CAS TalkServer" }, - { 0x0173, "Compaq" }, - { 0x0174, "Compaq SNMP Agent" }, - { 0x0175, "Compaq" }, - { 0x0180, "XTreeServer/XTreeTools" }, - { 0x018A, "NASI ServicesBroadcastServer" }, - { 0x01b0, "GARP Gateway" }, - { 0x01b1, "Binfview" }, - { 0x01bf, "IntelLanDeskManager" }, - { 0x01ca, "AXTEC" }, - { 0x01cb, "ShivaNetModem/E" }, - { 0x01cc, "ShivaLanRover/E" }, - { 0x01cd, "ShivaLanRover/T" }, - { 0x01ce, "ShivaUniversal" }, - { 0x01d8, "CastelleFAXPressServer" }, - { 0x01da, "CastelleLANPressPrintServer" }, - { 0x01dc, "CastelleFAX/Xerox7033 FaxServer/ExcelLanFax" }, - { 0x01f0, "LEGATO" }, - { 0x01f5, "LEGATO" }, - { 0x0233, "NMS Agent/NetwareManagementAgent" }, - { 0x0237, "NMS IPX Discovery/LANternReadWriteChannel" }, - { 0x0238, "NMS IP Discovery/LANternTrapAlarmChannel" }, - { 0x023a, "LANtern" }, - { 0x023c, "MAVERICK" }, - { 0x023f, "NovellSMDR" }, - { 0x024e, "NetwareConnect" }, - { 0x024f, "NASI ServerBroadcast Cisco" }, - { 0x026a, "NMS ServiceConsole" }, - { 0x026b, "TimeSynchronizationServer Netware 4.x" }, - { 0x0278, "DirectoryServer Netware 4.x" }, - { 0x027b, "NetwareManagementAgent" }, - { 0x0280, "Novell File and Printer Sharing Service for PC" }, - { 0x0304, "NovellSAA Gateway" }, - { 0x0308, "COM/VERMED" }, - { 0x030a, "GalacticommWorldgroupServer" }, - { 0x030c, "IntelNetport2/HP JetDirect/HP Quicksilver" }, - { 0x0320, "AttachmateGateway" }, - { 0x0327, "MicrosoftDiagnostiocs" }, - { 0x0328, "WATCOM SQL Server" }, - { 0x0335, "MultiTechSystems MultisynchCommServer" }, - { 0x0343, "Xylogics RemoteAccessServer/LANModem" }, - { 0x0355, "ArcadaBackupExec" }, - { 0x0358, "MSLCD1" }, - { 0x0361, "NETINELO" }, - { 0x037e, "Powerchute UPS Monitoring" }, - { 0x037f, "ViruSafeNotify" }, - { 0x0386, "HP Bridge" }, - { 0x0387, "HP Hub" }, - { 0x0394, "NetWare SAA Gateway" }, - { 0x039b, "LotusNotes" }, - { 0x03b7, "CertusAntiVirus" }, - { 0x03c4, "ARCserve4.0" }, - { 0x03c7, "LANspool3.5" }, - { 0x03d7, "LexmarkPrinterServer" }, - { 0x03d8, "LexmarkXLE PrinterServer" }, - { 0x03dd, "BanyanENS NetwareClient" }, - { 0x03de, "GuptaSequelBaseServer/NetWareSQL" }, - { 0x03e1, "UnivelUnixware" }, - { 0x03e4, "UnivelUnixware" }, - { 0x03fc, "IntelNetport" }, - { 0x03fd, "PrintServerQueue" }, - { 0x040A, "ipnServer" }, - { 0x040D, "LVERRMAN" }, - { 0x040E, "LVLIC" }, - { 0x0414, "NET Silicon (DPI)/Kyocera" }, - { 0x0429, "SiteLockVirus" }, - { 0x0432, "UFHELPR???" }, - { 0x0433, "Synoptics281xAdvancedSNMPAgent" }, - { 0x0444, "MicrosoftNT SNA Server" }, - { 0x0448, "Oracle" }, - { 0x044c, "ARCserve5.01" }, - { 0x0457, "CanonGP55" }, - { 0x045a, "QMS Printers" }, - { 0x045b, "DellSCSI Array" }, - { 0x0491, "NetBlazerModems" }, - { 0x04ac, "OnTimeScheduler" }, - { 0x04b0, "CD-Net" }, - { 0x0513, "EmulexNQA" }, - { 0x0520, "SiteLockChecks" }, - { 0x0529, "SiteLockChecks" }, - { 0x052d, "CitrixOS2 AppServer" }, - { 0x0535, "Tektronix" }, - { 0x0536, "Milan" }, - { 0x055d, "Attachmate SNA gateway" }, - { 0x056b, "IBM8235 ModemServer" }, - { 0x056c, "ShivaLanRover/E PLUS" }, - { 0x056d, "ShivaLanRover/T PLUS" }, - { 0x0580, "McAfeeNetShield" }, - { 0x05B8, "NLM to workstation communication (Revelation Software)" }, - { 0x05BA, "CompatibleSystemsRouters" }, - { 0x05BE, "CheyenneHierarchicalStorageManager" }, - { 0x0606, "JCWatermarkImaging" }, - { 0x060c, "AXISNetworkPrinter" }, - { 0x0610, "AdaptecSCSIManagement" }, - { 0x0621, "IBM AntiVirus" }, - { 0x0640, "Windows95 RemoteRegistryService" }, - { 0x064e, "MicrosoftIIS" }, - { 0x067b, "Microsoft Win95/98 File and Print Sharing for NetWare" }, - { 0x067c, "Microsoft Win95/98 File and Print Sharing for NetWare" }, - { 0x076C, "Xerox" }, - { 0x079b, "ShivaLanRover/E 115" }, - { 0x079c, "ShivaLanRover/T 115" }, - { 0x07B4, "CubixWorldDesk" }, - { 0x07c2, "Quarterdeck IWare Connect V2.x NLM" }, - { 0x07c1, "Quarterdeck IWare Connect V3.x NLM" }, - { 0x0810, "ELAN License Server Demo" }, - { 0x0824, "ShivaLanRoverAccessSwitch/E" }, - { 0x086a, "ISSC Collector" }, - { 0x087f, "ISSC DAS AgentAIX" }, - { 0x0880, "Intel Netport PRO" }, - { 0x0881, "Intel Netport PRO" }, - { 0x0b29, "SiteLock" }, - { 0x0c29, "SiteLockApplications" }, - { 0x0c2c, "LicensingServer" }, - { 0x2101, "PerformanceTechnologyInstantInternet" }, - { 0x2380, "LAI SiteLock" }, - { 0x238c, "MeetingMaker" }, - { 0x4808, "SiteLockServer/SiteLockMetering" }, - { 0x5555, "SiteLockUser" }, - { 0x6312, "Tapeware" }, - { 0x6f00, "RabbitGateway" }, - { 0x7703, "MODEM" }, - { 0x8002, "NetPortPrinters" }, - { 0x8008, "WordPerfectNetworkVersion" }, - { 0x85BE, "Cisco EIGRP" }, - { 0x8888, "WordPerfectNetworkVersion/QuickNetworkManagement" }, - { 0x9000, "McAfeeNetShield" }, - { 0x9604, "CSA-NT_MON" }, - { 0xb6a8, "OceanIsleReachoutRemoteControl" }, - { 0xf11f, "SiteLockMetering" }, - { 0xf1ff, "SiteLock" }, - { 0xf503, "Microsoft SQL Server" }, - { 0xF905, "IBM TimeAndPlace" }, - { 0xfbfb, "TopCallIII FaxServer" }, - { 0xffff, "AnyService/Wildcard" }, - { 0, (char *)0 } -}; - -static void -init_ipxsaparray(void) -{ - register int i; - register struct hnamemem *table; - - for (i = 0; ipxsap_db[i].s != NULL; i++) { - int j = htons(ipxsap_db[i].v) & (HASHNAMESIZE-1); - table = &ipxsaptable[j]; - while (table->name) - table = table->nxt; - table->name = ipxsap_db[i].s; - table->addr = htons(ipxsap_db[i].v); - table->nxt = newhnamemem(); - } -} - -/* - * Initialize the address to name translation machinery. We map all - * non-local IP addresses to numeric addresses if fflag is true (i.e., - * to prevent blocking on the nameserver). localnet is the IP address - * of the local network. mask is its subnet mask. - */ -void -init_addrtoname(u_int32_t localnet, u_int32_t mask) -{ - if (fflag) { - f_localnet = localnet; - f_netmask = mask; - } - if (nflag) - /* - * Simplest way to suppress names. - */ - return; - - init_etherarray(); - init_servarray(); - init_eprotoarray(); - init_protoidarray(); - init_ipxsaparray(); -} - -const char * -dnaddr_string(u_short dnaddr) -{ - register struct hnamemem *tp; - - for (tp = &dnaddrtable[dnaddr & (HASHNAMESIZE-1)]; tp->nxt != 0; - tp = tp->nxt) - if (tp->addr == dnaddr) - return (tp->name); - - tp->addr = dnaddr; - tp->nxt = newhnamemem(); - if (nflag) - tp->name = dnnum_string(dnaddr); - else - tp->name = dnname_string(dnaddr); - - return(tp->name); -} - -/* Return a zero'ed hnamemem struct and cuts down on calloc() overhead */ -struct hnamemem * -newhnamemem(void) -{ - register struct hnamemem *p; - static struct hnamemem *ptr = NULL; - static u_int num = 0; - - if (num <= 0) { - num = 64; - ptr = (struct hnamemem *)calloc(num, sizeof (*ptr)); - if (ptr == NULL) - error("newhnamemem: calloc"); - } - --num; - p = ptr++; - return (p); -} - -#ifdef INET6 -/* Return a zero'ed h6namemem struct and cuts down on calloc() overhead */ -struct h6namemem * -newh6namemem(void) -{ - register struct h6namemem *p; - static struct h6namemem *ptr = NULL; - static u_int num = 0; - - if (num <= 0) { - num = 64; - ptr = (struct h6namemem *)calloc(num, sizeof (*ptr)); - if (ptr == NULL) - error("newh6namemem: calloc"); - } - --num; - p = ptr++; - return (p); -} -#endif /* INET6 */ |
