*/
#ifndef lint
static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/addrtoname.c,v 1.105 2004-12-13 05:55:37 itojun Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/addrtoname.c,v 1.108.2.8 2006-02-27 07:27:16 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_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 HAVE_NETINET_ETHER_H
-#include <netinet/ether.h> /* ether_ntohost on linux */
-#endif /* HAVE_NETINET_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 "addrtoname.h"
#include "llc.h"
#include "setsignal.h"
+#include "extract.h"
+#include "oui.h"
+
+#ifndef ETHER_ADDR_LEN
+#include "ether.h"
+#endif
/*
* hash tables for whatever-to-name translations
*/
#define HASHNAMESIZE 4096
+#define BUFSIZE 128
struct hnamemem {
u_int32_t addr;
struct hnamemem uporttable[HASHNAMESIZE];
struct hnamemem eprototable[HASHNAMESIZE];
struct hnamemem dnaddrtable[HASHNAMESIZE];
-struct hnamemem llcsaptable[HASHNAMESIZE];
struct hnamemem ipxsaptable[HASHNAMESIZE];
#if defined(INET6) && defined(WIN32)
memset(&addr6, 0, sizeof(addr6));
addr6.sin6_family = AF_INET6;
memcpy(&addr6.sin6_addr, addr, len);
-#ifdef __MINGW32__
- /* MinGW doesn't provide getnameinfo */
- return NULL;
-#else
if (getnameinfo((struct sockaddr *)&addr6, sizeof(addr6),
hname, sizeof(hname), NULL, 0, 0)) {
return NULL;
strcpy(host.h_name, hname);
return &host;
}
-#endif /* __MINGW32__ */
break;
default:
return NULL;
}
}
#define gethostbyaddr win32_gethostbyaddr
-#endif /* INET6 & WIN32*/
+#endif /* INET6 & WIN32 */
#ifdef INET6
struct h6namemem {
static char buf[sizeof(".xxx.xxx.xxx.xxx")];
NTOHL(addr);
- cp = &buf[sizeof buf];
+ cp = buf + sizeof(buf);
*--cp = '\0';
n = 4;
const char *
etheraddr_string(register const u_char *ep)
{
- register u_int i;
+ 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 buf2[128];
- if (ether_ntohost(buf2, (const struct ether_addr *)ep) == 0) {
+ 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;
- *cp++ = hex[*ep >> 4 ];
+ oui = EXTRACT_24BITS(ep);
+ *cp++ = hex[*ep >> 4 ];
*cp++ = hex[*ep++ & 0xf];
- for (i = 5; (int)--i >= 0;) {
+ for (i = 5; --i >= 0;) {
*cp++ = ':';
- *cp++ = hex[*ep >> 4 ];
+ *cp++ = hex[*ep >> 4 ];
*cp++ = hex[*ep++ & 0xf];
}
- *cp = '\0';
+
+ 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);
}
return (tp->p_name);
}
+#define ISONSAP_MAX_LENGTH 20
const 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);
-}
-
-const char *
-isonsap_string(const u_char *nsap)
+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);
endservent();
}
-/*XXX from libbpfc.a */
-#ifndef WIN32
-extern struct eproto {
+/* in libpcap.a (nametoaddr.c) */
+#if defined(WIN32) && !defined(USE_STATIC_LIBPCAP)
+__declspec(dllimport)
#else
-__declspec( dllimport) struct eproto {
+extern
#endif
- char *s;
+const struct eproto {
+ const char *s;
u_short p;
} eproto_db[];
continue;
#ifdef USE_ETHER_NTOHOST
- /* Use yp/nis version of name if available */
- if (ether_ntohost(name, (const struct ether_addr *)el->addr) == 0) {
- tp->e_name = strdup(name);
+ /*
+ * 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
}
}
-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 void
-init_llcsaparray(void)
-{
- register int i;
- register struct hnamemem *table;
-
- for (i = 0; llcsap_db[i].s != NULL; i++) {
- table = &llcsaptable[llcsap_db[i].v];
- while (table->name)
- table = table->nxt;
- table->name = llcsap_db[i].s;
- table->addr = llcsap_db[i].v;
- table->nxt = newhnamemem();
- }
-}
-
static struct tok ipxsap_db[] = {
{ 0x0000, "Unknown" },
{ 0x0001, "User" },
init_etherarray();
init_servarray();
init_eprotoarray();
- init_llcsaparray();
init_protoidarray();
init_ipxsaparray();
}
projects / tcpdump / blobdiff