* Internet, ethernet, port, and protocol string to address
* and address to string conversion routines
*/
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/addrtoname.c,v 1.80 2001-06-26 13:58:24 itojun Exp $ (LBL)";
-#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-
-struct mbuf;
-struct rtentry;
-#include <net/if.h>
+#include <tcpdump-stdinc.h>
-#include <netinet/in.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
-#include <arpa/inet.h>
+#endif /* USE_ETHER_NTOHOST */
-#include <ctype.h>
-#include <netdb.h>
#include <pcap.h>
#include <pcap-namedb.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
-#include <unistd.h>
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
#include "interface.h"
#include "addrtoname.h"
#include "llc.h"
#include "setsignal.h"
+#include "extract.h"
+#include "oui.h"
-/* Forwards */
-static RETSIGTYPE nohostname(int);
+#ifndef ETHER_ADDR_LEN
+#define ETHER_ADDR_LEN 6
+#endif
/*
* hash tables for whatever-to-name translations
+ *
+ * error() called on strdup(3) failure
*/
#define HASHNAMESIZE 4096
struct hnamemem {
- u_int32_t addr;
- char *name;
+ uint32_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 llcsaptable[HASHNAMESIZE];
+static struct hnamemem hnametable[HASHNAMESIZE];
+static struct hnamemem tporttable[HASHNAMESIZE];
+static struct hnamemem uporttable[HASHNAMESIZE];
+static struct hnamemem eprototable[HASHNAMESIZE];
+static struct hnamemem dnaddrtable[HASHNAMESIZE];
+static 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 h6namemem *nxt;
};
-struct h6namemem h6nametable[HASHNAMESIZE];
+static struct h6namemem h6nametable[HASHNAMESIZE];
#endif /* INET6 */
struct enamemem {
u_short e_addr0;
u_short e_addr1;
u_short e_addr2;
- char *e_name;
+ 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];
+static struct enamemem enametable[HASHNAMESIZE];
+static struct enamemem nsaptable[HASHNAMESIZE];
+static struct enamemem bytestringtable[HASHNAMESIZE];
struct protoidmem {
- u_int32_t p_oui;
+ uint32_t p_oui;
u_short p_proto;
- char *p_name;
+ const char *p_name;
struct protoidmem *p_nxt;
};
-struct protoidmem protoidtable[HASHNAMESIZE];
+static struct protoidmem protoidtable[HASHNAMESIZE];
/*
* A faster replacement for inet_ntoa().
*/
-char *
-intoa(u_int32_t addr)
+const char *
+intoa(uint32_t addr)
{
register char *cp;
register u_int byte;
static char buf[sizeof(".xxx.xxx.xxx.xxx")];
NTOHL(addr);
- cp = &buf[sizeof buf];
+ cp = buf + sizeof(buf);
*--cp = '\0';
n = 4;
return cp + 1;
}
-static u_int32_t f_netmask;
-static u_int32_t f_localnet;
-static u_int32_t netmask;
-
-/*
- * "getname" is written in this atrocious way to make sure we don't
- * wait forever while trying to get hostnames from yp.
- */
-#include <setjmp.h>
-
-jmp_buf getname_env;
-
-static RETSIGTYPE
-nohostname(int signo)
-{
- longjmp(getname_env, 1);
-}
+static uint32_t f_netmask;
+static uint32_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 ND_TCHECK{2}/ND_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.
*/
-char *
-getname(const u_char *ap)
+const char *
+getname(netdissect_options *ndo, const u_char *ap)
{
register struct hostent *hp;
- u_int32_t addr;
- static struct hnamemem *p; /* static for longjmp() */
-
- addr = ((u_int32_t)ap[0] << 24) | ((u_int32_t)ap[1] << 16) |
- ((u_int32_t)ap[2] << 8) | ((u_int32_t)ap[3] << 0);
+ uint32_t addr;
+ struct hnamemem *p;
+ memcpy(&addr, ap, sizeof(addr));
p = &hnametable[addr & (HASHNAMESIZE-1)];
for (; p->nxt; p = p->nxt) {
if (p->addr == addr)
p->nxt = newhnamemem();
/*
- * Only print names when:
- * (1) -n was not given.
+ * Print names unless:
+ * (1) -n was given.
* (2) Address is foreign and -f was given. (If -f was not
- * give, f_netmask and f_local are 0 and the test
+ * given, f_netmask and f_localnet are 0 and the test
* evaluates to true)
- * (3) -a was given or the host portion is not all ones
- * nor all zeros (i.e. not a network or broadcast address)
*/
- if (!nflag &&
- (addr & f_netmask) == f_localnet &&
- (aflag ||
- !((addr & ~netmask) == 0 || (addr | netmask) == 0xffffffff))) {
- if (!setjmp(getname_env)) {
- (void)setsignal(SIGALRM, nohostname);
- (void)alarm(20);
- hp = gethostbyaddr((char *)&addr, 4, AF_INET);
- (void)alarm(0);
- 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);
+ if (!ndo->ndo_nflag &&
+ (addr & f_netmask) == f_localnet) {
+ hp = gethostbyaddr((char *)&addr, 4, AF_INET);
+ if (hp) {
+ char *dotp;
+
+ p->name = strdup(hp->h_name);
+ if (p->name == NULL)
+ error("getname: strdup(hp->h_name)");
+ if (ndo->ndo_Nflag) {
+ /* Remove domain qualifications */
+ dotp = strchr(p->name, '.');
+ if (dotp)
+ *dotp = '\0';
}
+ return (p->name);
}
}
p->name = strdup(intoa(addr));
+ if (p->name == NULL)
+ error("getname: strdup(intoa(addr))");
return (p->name);
}
* Return a name for the IP6 address pointed to by ap. This address
* is assumed to be in network byte order.
*/
-char *
-getname6(const u_char *ap)
+const char *
+getname6(netdissect_options *ndo, const u_char *ap)
{
register struct hostent *hp;
- struct in6_addr addr;
- static struct h6namemem *p; /* static for longjmp() */
- register char *cp;
+ union {
+ struct in6_addr addr;
+ struct for_hash_addr {
+ char fill[14];
+ uint16_t d;
+ } addra;
+ } addr;
+ struct h6namemem *p;
+ register const char *cp;
char ntop_buf[INET6_ADDRSTRLEN];
- int i;
- for (i = 0; i < sizeof(addr); i++)
- addr.s6_addr[i] = ap[i];
- p = &h6nametable[*(u_int16_t *)&addr.s6_addr[14] & (HASHNAMESIZE-1)];
+ memcpy(&addr, ap, sizeof(addr));
+ p = &h6nametable[addr.addra.d & (HASHNAMESIZE-1)];
for (; p->nxt; p = p->nxt) {
if (memcmp(&p->addr, &addr, sizeof(addr)) == 0)
return (p->name);
}
- p->addr = addr;
+ p->addr = addr.addr;
p->nxt = newh6namemem();
/*
- * Only print names when:
- * (1) -n was not given.
- * (2) Address is foreign and -f was given. (If -f was not
- * give, f_netmask and f_local are 0 and the test
- * evaluates to true)
- * (3) -a was given or the host portion is not all ones
- * nor all zeros (i.e. not a network or broadcast address)
+ * Do not print names if -n was given.
*/
- if (!nflag
-#if 0
- &&
- (addr & f_netmask) == f_localnet &&
- (aflag ||
- !((addr & ~netmask) == 0 || (addr | netmask) == 0xffffffff))
-#endif
- ) {
- if (!setjmp(getname_env)) {
- (void)setsignal(SIGALRM, nohostname);
- (void)alarm(20);
- hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET6);
- (void)alarm(0);
- 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);
+ if (!ndo->ndo_nflag) {
+ hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET6);
+ if (hp) {
+ char *dotp;
+
+ p->name = strdup(hp->h_name);
+ if (p->name == NULL)
+ error("getname6: strdup(hp->h_name)");
+ if (ndo->ndo_Nflag) {
+ /* Remove domain qualifications */
+ dotp = strchr(p->name, '.');
+ if (dotp)
+ *dotp = '\0';
}
+ return (p->name);
}
}
- cp = (char *)inet_ntop(AF_INET6, &addr, ntop_buf, sizeof(ntop_buf));
+ cp = inet_ntop(AF_INET6, &addr, ntop_buf, sizeof(ntop_buf));
p->name = strdup(cp);
+ if (p->name == NULL)
+ error("getname6: strdup(cp)");
return (p->name);
}
#endif /* INET6 */
-static char hex[] = "0123456789abcdef";
+static const char hex[] = "0123456789abcdef";
/* Find the hash node that corresponds the ether address 'ep' */
}
/*
- * Find the hash node that corresponds to the bytestring 'bs'
+ * 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 int nlen)
+lookup_bytestring(register const u_char *bs, const unsigned int nlen)
{
struct enamemem *tp;
register u_int i, j, k;
if (tp->e_addr0 == i &&
tp->e_addr1 == j &&
tp->e_addr2 == k &&
- memcmp((char *)bs, (char *)(tp->e_bs), nlen) == 0)
+ memcmp((const char *)bs, (const char *)(tp->e_bs), nlen) == 0)
return tp;
else
tp = tp->e_nxt;
tp->e_addr2 = k;
tp->e_bs = (u_char *) calloc(1, nlen + 1);
+ if (tp->e_bs == NULL)
+ error("lookup_bytestring: calloc");
+
memcpy(tp->e_bs, bs, nlen);
tp->e_nxt = (struct enamemem *)calloc(1, sizeof(*tp));
if (tp->e_nxt == NULL)
lookup_nsap(register const u_char *nsap)
{
register u_int i, j, k;
- int nlen = *nsap;
+ unsigned int nlen = *nsap;
struct enamemem *tp;
const u_char *ensap = nsap + nlen - 6;
tp->e_addr1 == j &&
tp->e_addr2 == k &&
tp->e_nsap[0] == nlen &&
- memcmp((char *)&(nsap[1]),
+ memcmp((const char *)&(nsap[1]),
(char *)&(tp->e_nsap[1]), nlen) == 0)
return tp;
else
tp->e_nsap = (u_char *)malloc(nlen + 1);
if (tp->e_nsap == NULL)
error("lookup_nsap: malloc");
- memcpy((char *)tp->e_nsap, (char *)nsap, nlen + 1);
+ 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;
}
-char *
-etheraddr_string(register const u_char *ep)
+const char *
+etheraddr_string(netdissect_options *ndo, register const u_char *ep)
{
- register u_int i, j;
+ register int i;
register char *cp;
register struct enamemem *tp;
- char buf[sizeof("00:00:00:00:00:00")];
+ int oui;
+ char buf[BUFSIZE];
tp = lookup_emem(ep);
if (tp->e_name)
return (tp->e_name);
#ifdef USE_ETHER_NTOHOST
- if (!nflag) {
- char buf[128];
- if (ether_ntohost(buf, (struct ether_addr *)ep) == 0) {
- tp->e_name = strdup(buf);
+ if (!ndo->ndo_nflag) {
+ char buf2[BUFSIZE];
+
+ if (ether_ntohost(buf2, (const struct ether_addr *)ep) == 0) {
+ tp->e_name = strdup(buf2);
+ if (tp->e_name == NULL)
+ error("etheraddr_string: strdup(buf2)");
return (tp->e_name);
}
}
#endif
cp = buf;
- if ((j = *ep >> 4) != 0)
- *cp++ = hex[j];
+ oui = EXTRACT_24BITS(ep);
+ *cp++ = hex[*ep >> 4 ];
*cp++ = hex[*ep++ & 0xf];
- for (i = 5; (int)--i >= 0;) {
+ for (i = 5; --i >= 0;) {
*cp++ = ':';
- if ((j = *ep >> 4) != 0)
- *cp++ = hex[j];
+ *cp++ = hex[*ep >> 4 ];
*cp++ = hex[*ep++ & 0xf];
}
+
+ if (!ndo->ndo_nflag) {
+ snprintf(cp, BUFSIZE - (2 + 5*3), " (oui %s)",
+ tok2str(oui_values, "Unknown", oui));
+ } else
+ *cp = '\0';
+ tp->e_name = strdup(buf);
+ if (tp->e_name == NULL)
+ error("etheraddr_string: strdup(buf)");
+ return (tp->e_name);
+}
+
+const char *
+le64addr_string(const u_char *ep)
+{
+ const unsigned int len = 8;
+ register u_int i;
+ register char *cp;
+ register struct enamemem *tp;
+ char buf[BUFSIZE];
+
+ tp = lookup_bytestring(ep, len);
+ if (tp->e_name)
+ return (tp->e_name);
+
+ cp = buf;
+ for (i = len; i > 0 ; --i) {
+ *cp++ = hex[*(ep + i - 1) >> 4];
+ *cp++ = hex[*(ep + i - 1) & 0xf];
+ *cp++ = ':';
+ }
+ cp --;
+
*cp = '\0';
+
tp->e_name = strdup(buf);
+ if (tp->e_name == NULL)
+ error("le64addr_string: strdup(buf)");
+
return (tp->e_name);
}
-char *
-linkaddr_string(const u_char *ep, const int len)
+const char *
+linkaddr_string(netdissect_options *ndo, const u_char *ep, const unsigned int type, const unsigned int len)
{
- register u_int i, j;
+ register u_int i;
register char *cp;
register struct enamemem *tp;
- if (len == 6) /* XXX not totally correct... */
- return etheraddr_string(ep);
-
+ if (len == 0)
+ return ("<empty>");
+
+ if (type == LINKADDR_ETHER && len == ETHER_ADDR_LEN)
+ return (etheraddr_string(ndo, ep));
+
+ if (type == LINKADDR_FRELAY)
+ return (q922_string(ndo, ep, len));
+
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");
- if ((j = *ep >> 4) != 0)
- *cp++ = hex[j];
+ *cp++ = hex[*ep >> 4];
*cp++ = hex[*ep++ & 0xf];
for (i = len-1; i > 0 ; --i) {
*cp++ = ':';
- if ((j = *ep >> 4) != 0)
- *cp++ = hex[j];
+ *cp++ = hex[*ep >> 4];
*cp++ = hex[*ep++ & 0xf];
}
*cp = '\0';
return (tp->e_name);
}
-char *
+const char *
etherproto_string(u_short port)
{
register char *cp;
register struct hnamemem *tp;
- register u_int32_t i = port;
+ register uint32_t i = port;
char buf[sizeof("0000")];
for (tp = &eprototable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
*cp++ = hex[port & 0xf];
*cp++ = '\0';
tp->name = strdup(buf);
+ if (tp->name == NULL)
+ error("etherproto_string: strdup(buf)");
return (tp->name);
}
-char *
+const char *
protoid_string(register const u_char *pi)
{
register u_int i, j;
}
*cp = '\0';
tp->p_name = strdup(buf);
+ if (tp->p_name == NULL)
+ error("protoid_string: strdup(buf)");
return (tp->p_name);
}
-char *
-llcsap_string(u_char sap)
-{
- register struct hnamemem *tp;
- register u_int32_t i = sap;
- char buf[sizeof("sap 00")];
-
- for (tp = &llcsaptable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
- if (tp->addr == i)
- return (tp->name);
-
- tp->addr = i;
- tp->nxt = newhnamemem();
-
- snprintf(buf, sizeof(buf), "sap %02x", sap & 0xff);
- tp->name = strdup(buf);
- return (tp->name);
-}
-
-char *
-isonsap_string(const u_char *nsap)
+#define ISONSAP_MAX_LENGTH 20
+const char *
+isonsap_string(const u_char *nsap, register u_int nsap_length)
{
- register u_int i, nlen = nsap[0];
+ 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(nlen * 2 + 2);
+ 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");
- nsap++;
- *cp++ = '/';
- for (i = nlen; (int)--i >= 0;) {
+ 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);
}
-char *
+const char *
tcpport_string(u_short port)
{
register struct hnamemem *tp;
- register u_int32_t i = port;
+ register uint32_t i = port;
char buf[sizeof("00000")];
for (tp = &tporttable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
(void)snprintf(buf, sizeof(buf), "%u", i);
tp->name = strdup(buf);
+ if (tp->name == NULL)
+ error("tcpport_string: strdup(buf)");
return (tp->name);
}
-char *
+const char *
udpport_string(register u_short port)
{
register struct hnamemem *tp;
- register u_int32_t i = port;
+ register uint32_t i = port;
char buf[sizeof("00000")];
for (tp = &uporttable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
(void)snprintf(buf, sizeof(buf), "%u", i);
tp->name = strdup(buf);
+ if (tp->name == NULL)
+ error("udpport_string: strdup(buf)");
+ return (tp->name);
+}
+
+const char *
+ipxsap_string(u_short port)
+{
+ register char *cp;
+ register struct hnamemem *tp;
+ register uint32_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);
+ if (tp->name == NULL)
+ error("ipxsap_string: strdup(buf)");
return (tp->name);
}
static void
-init_servarray(void)
+init_servarray(netdissect_options *ndo)
{
struct servent *sv;
register struct hnamemem *table;
while (table->name)
table = table->nxt;
- if (nflag) {
+ if (ndo->ndo_nflag) {
(void)snprintf(buf, sizeof(buf), "%d", port);
table->name = strdup(buf);
} else
table->name = strdup(sv->s_name);
+ if (table->name == NULL)
+ error("init_servarray: strdup");
+
table->addr = port;
table->nxt = newhnamemem();
}
endservent();
}
-/*XXX from libbpfc.a */
-extern struct eproto {
- char *s;
+/* in libpcap.a (nametoaddr.c) */
+#if defined(_WIN32) && !defined(USE_STATIC_LIBPCAP)
+extern __declspec(dllimport)
+#else
+extern
+#endif
+const struct eproto {
+ const char *s;
u_short p;
} eproto_db[];
register struct hnamemem *table;
for (i = 0; eproto_db[i].s; i++) {
- int j = ntohs(eproto_db[i].p) & (HASHNAMESIZE-1);
+ 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 = ntohs(eproto_db[i].p);
+ table->addr = htons(eproto_db[i].p);
table->nxt = newhnamemem();
}
}
-static struct protoidlist {
- u_char protoid[5];
- char *name;
+static const struct protoidlist {
+ const u_char protoid[5];
+ const char *name;
} protoidlist[] = {
{{ 0x00, 0x00, 0x0c, 0x01, 0x07 }, "CiscoMLS" },
{{ 0x00, 0x00, 0x0c, 0x20, 0x00 }, "CiscoCDP" },
{
register int i;
register struct protoidmem *tp;
- struct protoidlist *pl;
+ const struct protoidlist *pl;
u_char protoid[5];
protoid[0] = 0;
memcpy((char *)&protoid[3], (char *)&etype, 2);
tp = lookup_protoid(protoid);
tp->p_name = strdup(eproto_db[i].s);
+ if (tp->p_name == NULL)
+ error("init_protoidarray: strdup(eproto_db[i].s)");
}
/* Hardwire some SNAP proto ID names */
for (pl = protoidlist; pl->name != NULL; ++pl) {
}
}
-static struct etherlist {
- u_char addr[6];
- char *name;
+static const 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 }
static void
init_etherarray(void)
{
- register struct etherlist *el;
+ register const struct etherlist *el;
register struct enamemem *tp;
#ifdef USE_ETHER_NTOHOST
char name[256];
while ((ep = pcap_next_etherent(fp)) != NULL) {
tp = lookup_emem(ep->addr);
tp->e_name = strdup(ep->name);
+ if (tp->e_name == NULL)
+ error("init_etherarray: strdup(ep->addr)");
}
(void)fclose(fp);
}
continue;
#ifdef USE_ETHER_NTOHOST
- /* Use yp/nis version of name if available */
- if (ether_ntohost(name, (struct ether_addr *)el->addr) == 0) {
- tp->e_name = strdup(name);
+ /*
+ * Use YP/NIS version of name if available.
+ */
+ if (ether_ntohost(name, (const struct ether_addr *)el->addr) == 0) {
+ tp->e_name = strdup(name);
+ if (tp->e_name == NULL)
+ error("init_etherarray: strdup(name)");
continue;
}
#endif
}
}
-static struct tok llcsap_db[] = {
- { LLCSAP_NULL, "null" },
- { LLCSAP_8021B_I, "802.1b-gsap" },
- { LLCSAP_8021B_G, "802.1b-isap" },
- { LLCSAP_IP, "ip-sap" },
- { LLCSAP_PROWAYNM, "proway-nm" },
- { LLCSAP_8021D, "802.1d" },
- { LLCSAP_RS511, "eia-rs511" },
- { LLCSAP_ISO8208, "x.25/llc2" },
- { LLCSAP_PROWAY, "proway" },
- { LLCSAP_SNAP, "snap" },
- { LLCSAP_IPX, "IPX" },
- { LLCSAP_NETBEUI, "netbeui" },
- { LLCSAP_ISONS, "iso-clns" },
- { LLCSAP_GLOBAL, "global" },
- { 0, NULL }
+static const 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_llcsaparray(void)
+init_ipxsaparray(void)
{
register int i;
register struct hnamemem *table;
- for (i = 0; llcsap_db[i].s != NULL; i++) {
- table = &llcsaptable[llcsap_db[i].v];
+ 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 = llcsap_db[i].s;
- table->addr = llcsap_db[i].v;
+ 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
+ * non-local IP addresses to numeric addresses if ndo->ndo_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)
+init_addrtoname(netdissect_options *ndo, uint32_t localnet, uint32_t mask)
{
- netmask = mask;
- if (fflag) {
+ if (ndo->ndo_fflag) {
f_localnet = localnet;
f_netmask = mask;
}
- if (nflag)
+ if (ndo->ndo_nflag)
/*
* Simplest way to suppress names.
*/
return;
init_etherarray();
- init_servarray();
+ init_servarray(ndo);
init_eprotoarray();
- init_llcsaparray();
init_protoidarray();
+ init_ipxsaparray();
}
-char *
-dnaddr_string(u_short dnaddr)
+const char *
+dnaddr_string(netdissect_options *ndo, u_short dnaddr)
{
register struct hnamemem *tp;
tp->addr = dnaddr;
tp->nxt = newhnamemem();
- if (nflag)
+ if (ndo->ndo_nflag)
tp->name = dnnum_string(dnaddr);
else
tp->name = dnname_string(dnaddr);
return (p);
}
#endif /* INET6 */
+
+/* Represent TCI part of the 802.1Q 4-octet tag as text. */
+const char *
+ieee8021q_tci_string(const uint16_t tci)
+{
+ static char buf[128];
+ snprintf(buf, sizeof(buf), "vlan %u, p %u%s",
+ tci & 0xfff,
+ tci >> 13,
+ (tci & 0x1000) ? ", DEI" : "");
+ return buf;
+}
projects / tcpdump / blobdiff