From Arien Vijn: support various notions for MAC addresses.
This commit is contained in:
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1
CREDITS
1
CREDITS
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@ -15,6 +15,7 @@ Additional people who have contributed patches:
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Albert Chin <china at thewrittenword dot com>
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Albert Chin <china at thewrittenword dot com>
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Andrew Brown <atatat at atatdot dot net>
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Andrew Brown <atatat at atatdot dot net>
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Antti Kantee <pooka at netbsd dot org>
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Antti Kantee <pooka at netbsd dot org>
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Arien Vijn <arienvijn at sourceforge dot net>
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Arkadiusz Miskiewicz <misiek at pld dot org dot pl>
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Arkadiusz Miskiewicz <misiek at pld dot org dot pl>
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Armando L. Caro Jr. <acaro at mail dot eecis dot udel dot edu>
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Armando L. Caro Jr. <acaro at mail dot eecis dot udel dot edu>
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Assar Westerlund <assar at sics dot se>
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Assar Westerlund <assar at sics dot se>
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227
nametoaddr.c
227
nametoaddr.c
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@ -23,38 +23,65 @@
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*/
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*/
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#ifndef lint
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#ifndef lint
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static const char rcsid[] =
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static const char rcsid[] _U_ =
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"@(#) $Header: /tcpdump/master/libpcap/nametoaddr.c,v 1.48.1.1 1999-10-07 23:46:40 mcr Exp $ (LBL)";
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"@(#) $Header: /tcpdump/master/libpcap/nametoaddr.c,v 1.82.2.1 2008-02-06 10:21:47 guy Exp $ (LBL)";
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#endif
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef WIN32
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#include <pcap-stdinc.h>
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#else /* WIN32 */
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/types.h> /* concession to AIX */
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#include <sys/types.h> /* concession to AIX */
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <sys/time.h>
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#if __STDC__
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#include <netinet/in.h>
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struct mbuf;
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#endif /* WIN32 */
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struct rtentry;
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/*
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* XXX - why was this included even on UNIX?
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*/
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#ifdef __MINGW32__
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#include "IP6_misc.h"
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#endif
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#endif
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#include <net/if.h>
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#ifndef WIN32
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#include <netinet/in.h>
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#ifdef HAVE_ETHER_HOSTTON
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/*
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* XXX - do we need any of this if <netinet/if_ether.h> doesn't declare
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* ether_hostton()?
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*/
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#ifdef HAVE_NETINET_IF_ETHER_H
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struct mbuf; /* Squelch compiler warnings on some platforms for */
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struct rtentry; /* declarations in <net/if.h> */
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#include <net/if.h> /* for "struct ifnet" in "struct arpcom" on Solaris */
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#include <netinet/if_ether.h>
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#include <netinet/if_ether.h>
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#endif /* HAVE_NETINET_IF_ETHER_H */
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#ifdef NETINET_ETHER_H_DECLARES_ETHER_HOSTTON
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#include <netinet/ether.h>
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#endif /* NETINET_ETHER_H_DECLARES_ETHER_HOSTTON */
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#endif /* HAVE_ETHER_HOSTTON */
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#include <arpa/inet.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#endif /* WIN32 */
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#include <ctype.h>
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#include <ctype.h>
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#include <errno.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <memory.h>
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#include <string.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdio.h>
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#include "pcap-int.h"
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#include "pcap-int.h"
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#include "gencode.h"
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#include "gencode.h"
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#include <pcap-namedb.h>
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#include <pcap/namedb.h>
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#include "gnuc.h"
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#ifdef HAVE_OS_PROTO_H
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#ifdef HAVE_OS_PROTO_H
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#include "os-proto.h"
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#include "os-proto.h"
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#endif
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#endif
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@ -94,6 +121,25 @@ pcap_nametoaddr(const char *name)
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return 0;
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return 0;
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}
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}
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#ifdef INET6
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struct addrinfo *
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pcap_nametoaddrinfo(const char *name)
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{
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struct addrinfo hints, *res;
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int error;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = PF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM; /*not really*/
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hints.ai_protocol = IPPROTO_TCP; /*not really*/
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error = getaddrinfo(name, NULL, &hints, &res);
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if (error)
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return NULL;
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else
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return res;
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}
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#endif /*INET6*/
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/*
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/*
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* Convert net name to internet address.
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* Convert net name to internet address.
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* Return 0 upon failure.
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* Return 0 upon failure.
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@ -101,12 +147,19 @@ pcap_nametoaddr(const char *name)
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bpf_u_int32
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bpf_u_int32
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pcap_nametonetaddr(const char *name)
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pcap_nametonetaddr(const char *name)
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{
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{
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#ifndef WIN32
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struct netent *np;
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struct netent *np;
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if ((np = getnetbyname(name)) != NULL)
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if ((np = getnetbyname(name)) != NULL)
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return np->n_net;
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return np->n_net;
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else
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else
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return 0;
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return 0;
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#else
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/*
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* There's no "getnetbyname()" on Windows.
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*/
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return 0;
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#endif
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}
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}
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/*
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/*
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@ -118,38 +171,40 @@ int
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pcap_nametoport(const char *name, int *port, int *proto)
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pcap_nametoport(const char *name, int *port, int *proto)
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{
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{
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struct servent *sp;
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struct servent *sp;
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char *other;
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int tcp_port = -1;
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int udp_port = -1;
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sp = getservbyname(name, (char *)0);
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/*
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if (sp != NULL) {
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* We need to check /etc/services for ambiguous entries.
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NTOHS(sp->s_port);
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* If we find the ambiguous entry, and it has the
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*port = sp->s_port;
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* same port number, change the proto to PROTO_UNDEF
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*proto = pcap_nametoproto(sp->s_proto);
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* so both TCP and UDP will be checked.
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/*
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*/
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* We need to check /etc/services for ambiguous entries.
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sp = getservbyname(name, "tcp");
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* If we find the ambiguous entry, and it has the
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if (sp != NULL) tcp_port = ntohs(sp->s_port);
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* same port number, change the proto to PROTO_UNDEF
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sp = getservbyname(name, "udp");
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* so both TCP and UDP will be checked.
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if (sp != NULL) udp_port = ntohs(sp->s_port);
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*/
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if (tcp_port >= 0) {
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if (*proto == IPPROTO_TCP)
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*port = tcp_port;
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other = "udp";
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*proto = IPPROTO_TCP;
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else
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if (udp_port >= 0) {
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other = "tcp";
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if (udp_port == tcp_port)
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*proto = PROTO_UNDEF;
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sp = getservbyname(name, other);
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if (sp != 0) {
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NTOHS(sp->s_port);
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#ifdef notdef
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#ifdef notdef
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if (*port != sp->s_port)
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else
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/* Can't handle ambiguous names that refer
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/* Can't handle ambiguous names that refer
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to different port numbers. */
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to different port numbers. */
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warning("ambiguous port %s in /etc/services",
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warning("ambiguous port %s in /etc/services",
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name);
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name);
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#endif
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#endif
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*proto = PROTO_UNDEF;
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}
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}
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return 1;
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return 1;
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}
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}
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if (udp_port >= 0) {
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*port = udp_port;
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*proto = IPPROTO_UDP;
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return 1;
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}
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#if defined(ultrix) || defined(__osf__)
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#if defined(ultrix) || defined(__osf__)
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/* Special hack in case NFS isn't in /etc/services */
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/* Special hack in case NFS isn't in /etc/services */
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if (strcmp(name, "nfs") == 0) {
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if (strcmp(name, "nfs") == 0) {
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@ -161,6 +216,51 @@ pcap_nametoport(const char *name, int *port, int *proto)
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return 0;
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return 0;
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}
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}
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/*
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* Convert a string in the form PPP-PPP, where correspond to ports, to
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* a starting and ending port in a port range.
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* Return 0 on failure.
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*/
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int
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pcap_nametoportrange(const char *name, int *port1, int *port2, int *proto)
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{
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u_int p1, p2;
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char *off, *cpy;
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int save_proto;
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if (sscanf(name, "%d-%d", &p1, &p2) != 2) {
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if ((cpy = strdup(name)) == NULL)
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return 0;
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if ((off = strchr(cpy, '-')) == NULL) {
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free(cpy);
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return 0;
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}
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*off = '\0';
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if (pcap_nametoport(cpy, port1, proto) == 0) {
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free(cpy);
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return 0;
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}
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save_proto = *proto;
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if (pcap_nametoport(off + 1, port2, proto) == 0) {
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free(cpy);
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return 0;
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}
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if (*proto != save_proto)
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*proto = PROTO_UNDEF;
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} else {
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*port1 = p1;
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*port2 = p2;
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*proto = PROTO_UNDEF;
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}
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return 1;
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}
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int
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int
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pcap_nametoproto(const char *str)
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pcap_nametoproto(const char *str)
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{
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{
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@ -176,7 +276,7 @@ pcap_nametoproto(const char *str)
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#include "ethertype.h"
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#include "ethertype.h"
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struct eproto {
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struct eproto {
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char *s;
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const char *s;
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u_short p;
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u_short p;
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};
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};
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@ -185,6 +285,9 @@ struct eproto eproto_db[] = {
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{ "pup", ETHERTYPE_PUP },
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{ "pup", ETHERTYPE_PUP },
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{ "xns", ETHERTYPE_NS },
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{ "xns", ETHERTYPE_NS },
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{ "ip", ETHERTYPE_IP },
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{ "ip", ETHERTYPE_IP },
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#ifdef INET6
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{ "ip6", ETHERTYPE_IPV6 },
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#endif
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{ "arp", ETHERTYPE_ARP },
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{ "arp", ETHERTYPE_ARP },
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{ "rarp", ETHERTYPE_REVARP },
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{ "rarp", ETHERTYPE_REVARP },
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{ "sprite", ETHERTYPE_SPRITE },
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{ "sprite", ETHERTYPE_SPRITE },
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@ -217,6 +320,30 @@ pcap_nametoeproto(const char *s)
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return PROTO_UNDEF;
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return PROTO_UNDEF;
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}
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}
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#include "llc.h"
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/* Static data base of LLC values. */
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static struct eproto llc_db[] = {
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{ "iso", LLCSAP_ISONS },
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{ "stp", LLCSAP_8021D },
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{ "ipx", LLCSAP_IPX },
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{ "netbeui", LLCSAP_NETBEUI },
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{ (char *)0, 0 }
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};
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int
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pcap_nametollc(const char *s)
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{
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struct eproto *p = llc_db;
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while (p->s != 0) {
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if (strcmp(p->s, s) == 0)
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return p->p;
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p += 1;
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}
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return PROTO_UNDEF;
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}
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/* Hex digit to integer. */
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/* Hex digit to integer. */
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static inline int
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static inline int
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xdtoi(c)
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xdtoi(c)
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@ -261,7 +388,7 @@ __pcap_atodn(const char *s, bpf_u_int32 *addr)
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u_int node, area;
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u_int node, area;
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if (sscanf((char *)s, "%d.%d", &area, &node) != 2)
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if (sscanf(s, "%d.%d", &area, &node) != 2)
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bpf_error("malformed decnet address '%s'", s);
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bpf_error("malformed decnet address '%s'", s);
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*addr = (area << AREASHIFT) & AREAMASK;
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*addr = (area << AREASHIFT) & AREAMASK;
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@ -271,7 +398,15 @@ __pcap_atodn(const char *s, bpf_u_int32 *addr)
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}
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}
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/*
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/*
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* Convert 's' which has the form "xx:xx:xx:xx:xx:xx" into a new
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* Convert 's', which can have the one of the forms:
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*
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* "xx:xx:xx:xx:xx:xx"
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* "xx.xx.xx.xx.xx.xx"
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* "xx-xx-xx-xx-xx-xx"
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* "xxxx.xxxx.xxxx"
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* "xxxxxxxxxxxx"
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*
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* (or various mixes of ':', '.', and '-') into a new
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* ethernet address. Assumes 's' is well formed.
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* ethernet address. Assumes 's' is well formed.
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*/
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*/
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u_char *
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u_char *
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@ -283,10 +418,10 @@ pcap_ether_aton(const char *s)
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e = ep = (u_char *)malloc(6);
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e = ep = (u_char *)malloc(6);
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while (*s) {
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while (*s) {
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if (*s == ':')
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if (*s == ':' || *s == '.' || *s == '-')
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s += 1;
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s += 1;
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d = xdtoi(*s++);
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d = xdtoi(*s++);
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if (isxdigit(*s)) {
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if (isxdigit((unsigned char)*s)) {
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d <<= 4;
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d <<= 4;
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d |= xdtoi(*s++);
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d |= xdtoi(*s++);
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}
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}
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@ -304,7 +439,7 @@ pcap_ether_hostton(const char *name)
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register struct pcap_etherent *ep;
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register struct pcap_etherent *ep;
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register u_char *ap;
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register u_char *ap;
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static FILE *fp = NULL;
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static FILE *fp = NULL;
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static init = 0;
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static int init = 0;
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if (!init) {
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if (!init) {
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fp = fopen(PCAP_ETHERS_FILE, "r");
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fp = fopen(PCAP_ETHERS_FILE, "r");
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@ -315,7 +450,7 @@ pcap_ether_hostton(const char *name)
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return (NULL);
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return (NULL);
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else
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else
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rewind(fp);
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rewind(fp);
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while ((ep = pcap_next_etherent(fp)) != NULL) {
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while ((ep = pcap_next_etherent(fp)) != NULL) {
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if (strcmp(ep->name, name) == 0) {
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if (strcmp(ep->name, name) == 0) {
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ap = (u_char *)malloc(6);
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ap = (u_char *)malloc(6);
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@ -330,8 +465,13 @@ pcap_ether_hostton(const char *name)
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}
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}
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#else
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#else
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#ifndef sgi
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#if !defined(HAVE_DECL_ETHER_HOSTTON) || !HAVE_DECL_ETHER_HOSTTON
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extern int ether_hostton(char *, struct ether_addr *);
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#ifndef HAVE_STRUCT_ETHER_ADDR
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struct ether_addr {
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unsigned char ether_addr_octet[6];
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
extern int ether_hostton(const char *, struct ether_addr *);
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* Use the os supplied routines */
|
/* Use the os supplied routines */
|
||||||
|
@ -342,7 +482,7 @@ pcap_ether_hostton(const char *name)
|
||||||
u_char a[6];
|
u_char a[6];
|
||||||
|
|
||||||
ap = NULL;
|
ap = NULL;
|
||||||
if (ether_hostton((char *)name, (struct ether_addr *)a) == 0) {
|
if (ether_hostton(name, (struct ether_addr *)a) == 0) {
|
||||||
ap = (u_char *)malloc(6);
|
ap = (u_char *)malloc(6);
|
||||||
if (ap != NULL)
|
if (ap != NULL)
|
||||||
memcpy((char *)ap, (char *)a, 6);
|
memcpy((char *)ap, (char *)a, 6);
|
||||||
|
@ -368,5 +508,6 @@ __pcap_nametodnaddr(const char *name)
|
||||||
#else
|
#else
|
||||||
bpf_error("decnet name support not included, '%s' cannot be translated\n",
|
bpf_error("decnet name support not included, '%s' cannot be translated\n",
|
||||||
name);
|
name);
|
||||||
|
return(0);
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
11
scanner.l
11
scanner.l
|
@ -22,7 +22,7 @@
|
||||||
|
|
||||||
#ifndef lint
|
#ifndef lint
|
||||||
static const char rcsid[] _U_ =
|
static const char rcsid[] _U_ =
|
||||||
"@(#) $Header: /tcpdump/master/libpcap/scanner.l,v 1.110.2.1 2007-11-18 02:04:55 guy Exp $ (LBL)";
|
"@(#) $Header: /tcpdump/master/libpcap/scanner.l,v 1.110.2.2 2008-02-06 10:21:47 guy Exp $ (LBL)";
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
#ifdef HAVE_CONFIG_H
|
||||||
|
@ -79,6 +79,7 @@ extern YYSTYPE yylval;
|
||||||
|
|
||||||
N ([0-9]+|(0X|0x)[0-9A-Fa-f]+)
|
N ([0-9]+|(0X|0x)[0-9A-Fa-f]+)
|
||||||
B ([0-9A-Fa-f][0-9A-Fa-f]?)
|
B ([0-9A-Fa-f][0-9A-Fa-f]?)
|
||||||
|
B2 ([0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f])
|
||||||
W ([0-9A-Fa-f][0-9A-Fa-f]?[0-9A-Fa-f]?[0-9A-Fa-f]?)
|
W ([0-9A-Fa-f][0-9A-Fa-f]?[0-9A-Fa-f]?[0-9A-Fa-f]?)
|
||||||
|
|
||||||
%a 18400
|
%a 18400
|
||||||
|
@ -166,6 +167,10 @@ V6004 ::{N}\.{N}\.{N}\.{N}
|
||||||
|
|
||||||
V6 ({V680}|{V670}|{V671}|{V672}|{V673}|{V674}|{V675}|{V676}|{V677}|{V660}|{V661}|{V662}|{V663}|{V664}|{V665}|{V666}|{V650}|{V651}|{V652}|{V653}|{V654}|{V655}|{V640}|{V641}|{V642}|{V643}|{V644}|{V630}|{V631}|{V632}|{V633}|{V620}|{V621}|{V622}|{V610}|{V611}|{V600}|{V6604}|{V6504}|{V6514}|{V6524}|{V6534}|{V6544}|{V6554}|{V6404}|{V6414}|{V6424}|{V6434}|{V6444}|{V6304}|{V6314}|{V6324}|{V6334}|{V6204}|{V6214}|{V6224}|{V6104}|{V6114}|{V6004})
|
V6 ({V680}|{V670}|{V671}|{V672}|{V673}|{V674}|{V675}|{V676}|{V677}|{V660}|{V661}|{V662}|{V663}|{V664}|{V665}|{V666}|{V650}|{V651}|{V652}|{V653}|{V654}|{V655}|{V640}|{V641}|{V642}|{V643}|{V644}|{V630}|{V631}|{V632}|{V633}|{V620}|{V621}|{V622}|{V610}|{V611}|{V600}|{V6604}|{V6504}|{V6514}|{V6524}|{V6534}|{V6544}|{V6554}|{V6404}|{V6414}|{V6424}|{V6434}|{V6444}|{V6304}|{V6314}|{V6324}|{V6334}|{V6204}|{V6214}|{V6224}|{V6104}|{V6114}|{V6004})
|
||||||
|
|
||||||
|
MAC ({B}:{B}:{B}:{B}:{B}:{B}|{B}\-{B}\-{B}\-{B}\-{B}\-{B}|{B}\.{B}\.{B}\.{B}\.{B}\.{B}|{B2}\.{B2}\.{B2}|{B2}{3})
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
%%
|
%%
|
||||||
dst return DST;
|
dst return DST;
|
||||||
src return SRC;
|
src return SRC;
|
||||||
|
@ -315,11 +320,11 @@ sls return SLS;
|
||||||
">>" return RSH;
|
">>" return RSH;
|
||||||
${B} { yylval.e = pcap_ether_aton(((char *)yytext)+1);
|
${B} { yylval.e = pcap_ether_aton(((char *)yytext)+1);
|
||||||
return AID; }
|
return AID; }
|
||||||
|
{MAC} { yylval.e = pcap_ether_aton((char *)yytext);
|
||||||
|
return EID; }
|
||||||
{N} { yylval.i = stoi((char *)yytext); return NUM; }
|
{N} { yylval.i = stoi((char *)yytext); return NUM; }
|
||||||
({N}\.{N})|({N}\.{N}\.{N})|({N}\.{N}\.{N}\.{N}) {
|
({N}\.{N})|({N}\.{N}\.{N})|({N}\.{N}\.{N}\.{N}) {
|
||||||
yylval.s = sdup((char *)yytext); return HID; }
|
yylval.s = sdup((char *)yytext); return HID; }
|
||||||
{B}:{B}:{B}:{B}:{B}:{B} { yylval.e = pcap_ether_aton((char *)yytext);
|
|
||||||
return EID; }
|
|
||||||
{V6} {
|
{V6} {
|
||||||
#ifdef INET6
|
#ifdef INET6
|
||||||
struct addrinfo hints, *res;
|
struct addrinfo hints, *res;
|
||||||
|
|
Reference in New Issue