Upgrade to tcpdump 4.7.4.
Bug: http://b/24902618
Change-Id: I7c3605015d90453b0a8c339b1774e285796f8775
diff --git a/addrtoname.c b/addrtoname.c
index 745ffe3..d0437fe 100644
--- a/addrtoname.c
+++ b/addrtoname.c
@@ -21,11 +21,8 @@
* 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 1.119 2007-08-08 14:06:34 hannes Exp $ (LBL)";
-#endif
+#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -81,7 +78,7 @@
#define HASHNAMESIZE 4096
struct hnamemem {
- u_int32_t addr;
+ uint32_t addr;
const char *name;
struct hnamemem *nxt;
};
@@ -158,7 +155,7 @@
static struct enamemem bytestringtable[HASHNAMESIZE];
struct protoidmem {
- u_int32_t p_oui;
+ uint32_t p_oui;
u_short p_proto;
const char *p_name;
struct protoidmem *p_nxt;
@@ -170,7 +167,7 @@
* A faster replacement for inet_ntoa().
*/
const char *
-intoa(u_int32_t addr)
+intoa(uint32_t addr)
{
register char *cp;
register u_int byte;
@@ -199,8 +196,8 @@
return cp + 1;
}
-static u_int32_t f_netmask;
-static u_int32_t f_localnet;
+static uint32_t f_netmask;
+static uint32_t f_localnet;
/*
* Return a name for the IP address pointed to by ap. This address
@@ -222,10 +219,10 @@
* also needs to check whether they're present in the packet buffer.
*/
const char *
-getname(const u_char *ap)
+getname(netdissect_options *ndo, const u_char *ap)
{
register struct hostent *hp;
- u_int32_t addr;
+ uint32_t addr;
static struct hnamemem *p; /* static for longjmp() */
memcpy(&addr, ap, sizeof(addr));
@@ -244,14 +241,14 @@
* given, f_netmask and f_localnet are 0 and the test
* evaluates to true)
*/
- if (!nflag &&
+ 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 (Nflag) {
+ if (ndo->ndo_Nflag) {
/* Remove domain qualifications */
dotp = strchr(p->name, '.');
if (dotp)
@@ -270,14 +267,14 @@
* is assumed to be in network byte order.
*/
const char *
-getname6(const u_char *ap)
+getname6(netdissect_options *ndo, const u_char *ap)
{
register struct hostent *hp;
union {
struct in6_addr addr;
struct for_hash_addr {
char fill[14];
- u_int16_t d;
+ uint16_t d;
} addra;
} addr;
static struct h6namemem *p; /* static for longjmp() */
@@ -296,13 +293,13 @@
/*
* Do not print names if -n was given.
*/
- if (!nflag) {
+ if (!ndo->ndo_nflag) {
hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET6);
if (hp) {
char *dotp;
p->name = strdup(hp->h_name);
- if (Nflag) {
+ if (ndo->ndo_Nflag) {
/* Remove domain qualifications */
dotp = strchr(p->name, '.');
if (dotp)
@@ -470,7 +467,7 @@
}
const char *
-etheraddr_string(register const u_char *ep)
+etheraddr_string(netdissect_options *ndo, register const u_char *ep)
{
register int i;
register char *cp;
@@ -482,7 +479,7 @@
if (tp->e_name)
return (tp->e_name);
#ifdef USE_ETHER_NTOHOST
- if (!nflag) {
+ if (!ndo->ndo_nflag) {
char buf2[BUFSIZE];
/*
@@ -507,7 +504,7 @@
*cp++ = hex[*ep++ & 0xf];
}
- if (!nflag) {
+ if (!ndo->ndo_nflag) {
snprintf(cp, BUFSIZE - (2 + 5*3), " (oui %s)",
tok2str(oui_values, "Unknown", oui));
} else
@@ -545,7 +542,7 @@
}
const char *
-linkaddr_string(const u_char *ep, const unsigned int type, const unsigned int len)
+linkaddr_string(netdissect_options *ndo, const u_char *ep, const unsigned int type, const unsigned int len)
{
register u_int i;
register char *cp;
@@ -555,10 +552,10 @@
return ("<empty>");
if (type == LINKADDR_ETHER && len == ETHER_ADDR_LEN)
- return (etheraddr_string(ep));
+ return (etheraddr_string(ndo, ep));
if (type == LINKADDR_FRELAY)
- return (q922_string(ep));
+ return (q922_string(ndo, ep, len));
tp = lookup_bytestring(ep, len);
if (tp->e_name)
@@ -583,7 +580,7 @@
{
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)
@@ -666,7 +663,7 @@
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)
@@ -685,7 +682,7 @@
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)
@@ -705,7 +702,7 @@
{
register char *cp;
register struct hnamemem *tp;
- register u_int32_t i = port;
+ register uint32_t i = port;
char buf[sizeof("0000")];
for (tp = &ipxsaptable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
@@ -727,7 +724,7 @@
}
static void
-init_servarray(void)
+init_servarray(netdissect_options *ndo)
{
struct servent *sv;
register struct hnamemem *table;
@@ -746,7 +743,7 @@
while (table->name)
table = table->nxt;
- if (nflag) {
+ if (ndo->ndo_nflag) {
(void)snprintf(buf, sizeof(buf), "%d", port);
table->name = strdup(buf);
} else
@@ -759,7 +756,7 @@
/* in libpcap.a (nametoaddr.c) */
#if defined(WIN32) && !defined(USE_STATIC_LIBPCAP)
-__declspec(dllimport)
+extern __declspec(dllimport)
#else
extern
#endif
@@ -1135,32 +1132,32 @@
/*
* 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)
{
- 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_protoidarray();
init_ipxsaparray();
}
const char *
-dnaddr_string(u_short dnaddr)
+dnaddr_string(netdissect_options *ndo, u_short dnaddr)
{
register struct hnamemem *tp;
@@ -1171,7 +1168,7 @@
tp->addr = dnaddr;
tp->nxt = newhnamemem();
- if (nflag)
+ if (ndo->ndo_nflag)
tp->name = dnnum_string(dnaddr);
else
tp->name = dnname_string(dnaddr);
@@ -1218,3 +1215,15 @@
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;
+}