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Diffstat (limited to 'contrib/tcpdump/addrtoname.c')
-rw-r--r--contrib/tcpdump/addrtoname.c93
1 files changed, 47 insertions, 46 deletions
diff --git a/contrib/tcpdump/addrtoname.c b/contrib/tcpdump/addrtoname.c
index 34b54f6b459d..e208f54bd9ab 100644
--- a/contrib/tcpdump/addrtoname.c
+++ b/contrib/tcpdump/addrtoname.c
@@ -23,21 +23,16 @@
*
* $FreeBSD$
*/
-#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
-#ifdef __FreeBSD__
-#ifdef HAVE_LIBCAPSICUM
+#ifdef HAVE_CAPSICUM
#include <libcapsicum.h>
#include <libcapsicum_dns.h>
-#endif /* HAVE_LIBCAPSICUM */
-#endif
+#endif /* HAVE_CAPSICUM */
#include <tcpdump-stdinc.h>
#ifdef USE_ETHER_NTOHOST
@@ -89,7 +84,7 @@ extern int ether_ntohost(char *, const struct ether_addr *);
#define HASHNAMESIZE 4096
struct hnamemem {
- u_int32_t addr;
+ uint32_t addr;
const char *name;
struct hnamemem *nxt;
};
@@ -166,7 +161,7 @@ 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;
const char *p_name;
struct protoidmem *p_nxt;
@@ -178,7 +173,7 @@ static struct protoidmem protoidtable[HASHNAMESIZE];
* A faster replacement for inet_ntoa().
*/
const char *
-intoa(u_int32_t addr)
+intoa(uint32_t addr)
{
register char *cp;
register u_int byte;
@@ -207,9 +202,9 @@ intoa(u_int32_t addr)
return cp + 1;
}
-static u_int32_t f_netmask;
-static u_int32_t f_localnet;
-#ifdef HAVE_LIBCAPSICUM
+static uint32_t f_netmask;
+static uint32_t f_localnet;
+#ifdef HAVE_CAPSICUM
extern cap_channel_t *capdns;
#endif
@@ -233,10 +228,10 @@ extern cap_channel_t *capdns;
* 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));
@@ -255,9 +250,9 @@ getname(const u_char *ap)
* 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) {
-#ifdef HAVE_LIBCAPSICUM
+#ifdef HAVE_CAPSICUM
if (capdns != NULL) {
hp = cap_gethostbyaddr(capdns, (char *)&addr, 4,
AF_INET);
@@ -268,7 +263,7 @@ getname(const u_char *ap)
char *dotp;
p->name = strdup(hp->h_name);
- if (Nflag) {
+ if (ndo->ndo_Nflag) {
/* Remove domain qualifications */
dotp = strchr(p->name, '.');
if (dotp)
@@ -287,28 +282,34 @@ getname(const u_char *ap)
* 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;
- struct in6_addr addr;
+ union {
+ struct in6_addr addr;
+ struct for_hash_addr {
+ char fill[14];
+ uint16_t d;
+ } addra;
+ } 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)];
+ 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();
/*
* Do not print names if -n was given.
*/
- if (!nflag) {
-#ifdef HAVE_LIBCAPSICUM
+ if (!ndo->ndo_nflag) {
+#ifdef HAVE_CAPSICUM
if (capdns != NULL) {
hp = cap_gethostbyaddr(capdns, (char *)&addr,
sizeof(addr), AF_INET6);
@@ -319,7 +320,7 @@ getname6(const u_char *ap)
char *dotp;
p->name = strdup(hp->h_name);
- if (Nflag) {
+ if (ndo->ndo_Nflag) {
/* Remove domain qualifications */
dotp = strchr(p->name, '.');
if (dotp)
@@ -487,7 +488,7 @@ lookup_protoid(const u_char *pi)
}
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;
@@ -499,7 +500,7 @@ etheraddr_string(register const u_char *ep)
if (tp->e_name)
return (tp->e_name);
#ifdef USE_ETHER_NTOHOST
- if (!nflag) {
+ if (!ndo->ndo_nflag) {
char buf2[BUFSIZE];
/*
@@ -524,7 +525,7 @@ etheraddr_string(register const u_char *ep)
*cp++ = hex[*ep++ & 0xf];
}
- if (!nflag) {
+ if (!ndo->ndo_nflag) {
snprintf(cp, BUFSIZE - (2 + 5*3), " (oui %s)",
tok2str(oui_values, "Unknown", oui));
} else
@@ -562,7 +563,7 @@ le64addr_string(const u_char *ep)
}
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;
@@ -572,7 +573,7 @@ linkaddr_string(const u_char *ep, const unsigned int type, const unsigned int le
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));
@@ -600,7 +601,7 @@ 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)
@@ -683,7 +684,7 @@ 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)
@@ -702,7 +703,7 @@ 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)
@@ -722,7 +723,7 @@ ipxsap_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 = &ipxsaptable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
@@ -744,7 +745,7 @@ ipxsap_string(u_short port)
}
static void
-init_servarray(void)
+init_servarray(netdissect_options *ndo)
{
struct servent *sv;
register struct hnamemem *table;
@@ -763,7 +764,7 @@ init_servarray(void)
while (table->name)
table = table->nxt;
- if (nflag) {
+ if (ndo->ndo_nflag) {
(void)snprintf(buf, sizeof(buf), "%d", port);
table->name = strdup(buf);
} else
@@ -776,7 +777,7 @@ init_servarray(void)
/* in libpcap.a (nametoaddr.c) */
#if defined(WIN32) && !defined(USE_STATIC_LIBPCAP)
-__declspec(dllimport)
+extern __declspec(dllimport)
#else
extern
#endif
@@ -1152,32 +1153,32 @@ init_ipxsaparray(void)
/*
* 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;
@@ -1188,7 +1189,7 @@ dnaddr_string(u_short dnaddr)
tp->addr = dnaddr;
tp->nxt = newhnamemem();
- if (nflag)
+ if (ndo->ndo_nflag)
tp->name = dnnum_string(dnaddr);
else
tp->name = dnname_string(dnaddr);
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-15 23:47:04 +0000