mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-24 02:23:27 +08:00
51d034f45b
Most of them are already named *_if_print. Update the others to have the same prefix. This change allow easier identification.
478 lines
12 KiB
C
478 lines
12 KiB
C
/*
|
|
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
|
* the University nor the names of its contributors may be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* Support for splitting captures into multiple files with a maximum
|
|
* file size:
|
|
*
|
|
* Copyright (c) 2001
|
|
* Seth Webster <swebster@sst.ll.mit.edu>
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <netdissect-stdinc.h>
|
|
|
|
#include "netdissect.h"
|
|
#include "addrtoname.h"
|
|
#include "print.h"
|
|
|
|
struct printer {
|
|
if_printer f;
|
|
int type;
|
|
};
|
|
|
|
static const struct printer printers[] = {
|
|
{ ether_if_print, DLT_EN10MB },
|
|
#ifdef DLT_IPNET
|
|
{ ipnet_if_print, DLT_IPNET },
|
|
#endif
|
|
#ifdef DLT_IEEE802_15_4
|
|
{ ieee802_15_4_if_print, DLT_IEEE802_15_4 },
|
|
#endif
|
|
#ifdef DLT_IEEE802_15_4_NOFCS
|
|
{ ieee802_15_4_if_print, DLT_IEEE802_15_4_NOFCS },
|
|
#endif
|
|
#ifdef DLT_PPI
|
|
{ ppi_if_print, DLT_PPI },
|
|
#endif
|
|
#ifdef DLT_NETANALYZER
|
|
{ netanalyzer_if_print, DLT_NETANALYZER },
|
|
#endif
|
|
#ifdef DLT_NETANALYZER_TRANSPARENT
|
|
{ netanalyzer_transparent_if_print, DLT_NETANALYZER_TRANSPARENT },
|
|
#endif
|
|
#if defined(DLT_NFLOG) && defined(HAVE_PCAP_NFLOG_H)
|
|
{ nflog_if_print, DLT_NFLOG},
|
|
#endif
|
|
#ifdef DLT_CIP
|
|
{ cip_if_print, DLT_CIP },
|
|
#endif
|
|
#ifdef DLT_ATM_CLIP
|
|
{ cip_if_print, DLT_ATM_CLIP },
|
|
#endif
|
|
#ifdef DLT_IP_OVER_FC
|
|
{ ipfc_if_print, DLT_IP_OVER_FC },
|
|
#endif
|
|
{ null_if_print, DLT_NULL },
|
|
#ifdef DLT_LOOP
|
|
{ null_if_print, DLT_LOOP },
|
|
#endif
|
|
#ifdef DLT_APPLE_IP_OVER_IEEE1394
|
|
{ ap1394_if_print, DLT_APPLE_IP_OVER_IEEE1394 },
|
|
#endif
|
|
#if defined(DLT_BLUETOOTH_HCI_H4_WITH_PHDR) && defined(HAVE_PCAP_BLUETOOTH_H)
|
|
{ bt_if_print, DLT_BLUETOOTH_HCI_H4_WITH_PHDR},
|
|
#endif
|
|
#ifdef DLT_LANE8023
|
|
{ lane_if_print, DLT_LANE8023 },
|
|
#endif
|
|
{ arcnet_if_print, DLT_ARCNET },
|
|
#ifdef DLT_ARCNET_LINUX
|
|
{ arcnet_linux_if_print, DLT_ARCNET_LINUX },
|
|
#endif
|
|
{ raw_if_print, DLT_RAW },
|
|
#ifdef DLT_IPV4
|
|
{ raw_if_print, DLT_IPV4 },
|
|
#endif
|
|
#ifdef DLT_IPV6
|
|
{ raw_if_print, DLT_IPV6 },
|
|
#endif
|
|
#ifdef HAVE_PCAP_USB_H
|
|
#ifdef DLT_USB_LINUX
|
|
{ usb_linux_48_byte_if_print, DLT_USB_LINUX},
|
|
#endif /* DLT_USB_LINUX */
|
|
#ifdef DLT_USB_LINUX_MMAPPED
|
|
{ usb_linux_64_byte_if_print, DLT_USB_LINUX_MMAPPED},
|
|
#endif /* DLT_USB_LINUX_MMAPPED */
|
|
#endif /* HAVE_PCAP_USB_H */
|
|
#ifdef DLT_SYMANTEC_FIREWALL
|
|
{ symantec_if_print, DLT_SYMANTEC_FIREWALL },
|
|
#endif
|
|
#ifdef DLT_C_HDLC
|
|
{ chdlc_if_print, DLT_C_HDLC },
|
|
#endif
|
|
#ifdef DLT_HDLC
|
|
{ chdlc_if_print, DLT_HDLC },
|
|
#endif
|
|
#ifdef DLT_PPP_ETHER
|
|
{ pppoe_if_print, DLT_PPP_ETHER },
|
|
#endif
|
|
#if defined(DLT_PFLOG) && defined(HAVE_NET_IF_PFLOG_H)
|
|
{ pflog_if_print, DLT_PFLOG },
|
|
#endif
|
|
{ token_if_print, DLT_IEEE802 },
|
|
{ fddi_if_print, DLT_FDDI },
|
|
#ifdef DLT_LINUX_SLL
|
|
{ sll_if_print, DLT_LINUX_SLL },
|
|
#endif
|
|
#ifdef DLT_FR
|
|
{ fr_if_print, DLT_FR },
|
|
#endif
|
|
#ifdef DLT_FRELAY
|
|
{ fr_if_print, DLT_FRELAY },
|
|
#endif
|
|
#ifdef DLT_MFR
|
|
{ mfr_if_print, DLT_MFR },
|
|
#endif
|
|
{ atm_if_print, DLT_ATM_RFC1483 },
|
|
#ifdef DLT_SUNATM
|
|
{ sunatm_if_print, DLT_SUNATM },
|
|
#endif
|
|
#ifdef DLT_ENC
|
|
{ enc_if_print, DLT_ENC },
|
|
#endif
|
|
{ sl_if_print, DLT_SLIP },
|
|
#ifdef DLT_SLIP_BSDOS
|
|
{ sl_bsdos_if_print, DLT_SLIP_BSDOS },
|
|
#endif
|
|
#ifdef DLT_LTALK
|
|
{ ltalk_if_print, DLT_LTALK },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ATM1
|
|
{ juniper_atm1_if_print, DLT_JUNIPER_ATM1 },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ATM2
|
|
{ juniper_atm2_if_print, DLT_JUNIPER_ATM2 },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_MFR
|
|
{ juniper_mfr_if_print, DLT_JUNIPER_MFR },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_MLFR
|
|
{ juniper_mlfr_if_print, DLT_JUNIPER_MLFR },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_MLPPP
|
|
{ juniper_mlppp_if_print, DLT_JUNIPER_MLPPP },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_PPPOE
|
|
{ juniper_pppoe_if_print, DLT_JUNIPER_PPPOE },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_PPPOE_ATM
|
|
{ juniper_pppoe_atm_if_print, DLT_JUNIPER_PPPOE_ATM },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_GGSN
|
|
{ juniper_ggsn_if_print, DLT_JUNIPER_GGSN },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ES
|
|
{ juniper_es_if_print, DLT_JUNIPER_ES },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_MONITOR
|
|
{ juniper_monitor_if_print, DLT_JUNIPER_MONITOR },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_SERVICES
|
|
{ juniper_services_if_print, DLT_JUNIPER_SERVICES },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_ETHER
|
|
{ juniper_ether_if_print, DLT_JUNIPER_ETHER },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_PPP
|
|
{ juniper_ppp_if_print, DLT_JUNIPER_PPP },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_FRELAY
|
|
{ juniper_frelay_if_print, DLT_JUNIPER_FRELAY },
|
|
#endif
|
|
#ifdef DLT_JUNIPER_CHDLC
|
|
{ juniper_chdlc_if_print, DLT_JUNIPER_CHDLC },
|
|
#endif
|
|
#ifdef DLT_PKTAP
|
|
{ pktap_if_print, DLT_PKTAP },
|
|
#endif
|
|
#ifdef DLT_IEEE802_11_RADIO
|
|
{ ieee802_11_radio_if_print, DLT_IEEE802_11_RADIO },
|
|
#endif
|
|
#ifdef DLT_IEEE802_11
|
|
{ ieee802_11_if_print, DLT_IEEE802_11},
|
|
#endif
|
|
#ifdef DLT_IEEE802_11_RADIO_AVS
|
|
{ ieee802_11_radio_avs_if_print, DLT_IEEE802_11_RADIO_AVS },
|
|
#endif
|
|
#ifdef DLT_PRISM_HEADER
|
|
{ prism_if_print, DLT_PRISM_HEADER },
|
|
#endif
|
|
{ ppp_if_print, DLT_PPP },
|
|
#ifdef DLT_PPP_WITHDIRECTION
|
|
{ ppp_if_print, DLT_PPP_WITHDIRECTION },
|
|
#endif
|
|
#ifdef DLT_PPP_BSDOS
|
|
{ ppp_bsdos_if_print, DLT_PPP_BSDOS },
|
|
#endif
|
|
#ifdef DLT_PPP_SERIAL
|
|
{ ppp_hdlc_if_print, DLT_PPP_SERIAL },
|
|
#endif
|
|
{ NULL, 0 },
|
|
};
|
|
|
|
static void ndo_default_print(netdissect_options *ndo, const u_char *bp,
|
|
u_int length);
|
|
|
|
static void NORETURN ndo_error(netdissect_options *ndo,
|
|
FORMAT_STRING(const char *fmt), ...)
|
|
PRINTFLIKE(2, 3);
|
|
static void ndo_warning(netdissect_options *ndo,
|
|
FORMAT_STRING(const char *fmt), ...)
|
|
PRINTFLIKE(2, 3);
|
|
|
|
static int ndo_printf(netdissect_options *ndo,
|
|
FORMAT_STRING(const char *fmt), ...)
|
|
PRINTFLIKE(2, 3);
|
|
|
|
void
|
|
init_print(netdissect_options *ndo, uint32_t localnet, uint32_t mask,
|
|
uint32_t timezone_offset)
|
|
{
|
|
|
|
thiszone = timezone_offset;
|
|
init_addrtoname(ndo, localnet, mask);
|
|
init_checksum();
|
|
}
|
|
|
|
if_printer
|
|
lookup_printer(int type)
|
|
{
|
|
const struct printer *p;
|
|
|
|
for (p = printers; p->f; ++p)
|
|
if (type == p->type)
|
|
return p->f;
|
|
|
|
#if defined(DLT_USER2) && defined(DLT_PKTAP)
|
|
/*
|
|
* Apple incorrectly chose to use DLT_USER2 for their PKTAP
|
|
* header.
|
|
*
|
|
* We map DLT_PKTAP, whether it's DLT_USER2 as it is on Darwin-
|
|
* based OSes or the same value as LINKTYPE_PKTAP as it is on
|
|
* other OSes, to LINKTYPE_PKTAP, so files written with
|
|
* this version of libpcap for a DLT_PKTAP capture have a link-
|
|
* layer header type of LINKTYPE_PKTAP.
|
|
*
|
|
* However, files written on OS X Mavericks for a DLT_PKTAP
|
|
* capture have a link-layer header type of LINKTYPE_USER2.
|
|
* If we don't have a printer for DLT_USER2, and type is
|
|
* DLT_USER2, we look up the printer for DLT_PKTAP and use
|
|
* that.
|
|
*/
|
|
if (type == DLT_USER2) {
|
|
for (p = printers; p->f; ++p)
|
|
if (DLT_PKTAP == p->type)
|
|
return p->f;
|
|
}
|
|
#endif
|
|
|
|
return NULL;
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
int
|
|
has_printer(int type)
|
|
{
|
|
return (lookup_printer(type) != NULL);
|
|
}
|
|
|
|
if_printer
|
|
get_if_printer(netdissect_options *ndo, int type)
|
|
{
|
|
const char *dltname;
|
|
if_printer printer;
|
|
|
|
printer = lookup_printer(type);
|
|
if (printer == NULL) {
|
|
dltname = pcap_datalink_val_to_name(type);
|
|
if (dltname != NULL)
|
|
(*ndo->ndo_error)(ndo,
|
|
"packet printing is not supported for link type %s: use -w",
|
|
dltname);
|
|
else
|
|
(*ndo->ndo_error)(ndo,
|
|
"packet printing is not supported for link type %d: use -w", type);
|
|
}
|
|
return printer;
|
|
}
|
|
|
|
void
|
|
pretty_print_packet(netdissect_options *ndo, const struct pcap_pkthdr *h,
|
|
const u_char *sp, u_int packets_captured)
|
|
{
|
|
u_int hdrlen;
|
|
|
|
if(ndo->ndo_packet_number)
|
|
ND_PRINT((ndo, "%5u ", packets_captured));
|
|
|
|
ts_print(ndo, &h->ts);
|
|
|
|
/*
|
|
* Printers must check that they're not walking off the end of
|
|
* the packet.
|
|
* Rather than pass it all the way down, we set this member
|
|
* of the netdissect_options structure.
|
|
*/
|
|
ndo->ndo_snapend = sp + h->caplen;
|
|
|
|
hdrlen = (ndo->ndo_if_printer)(ndo, h, sp);
|
|
|
|
/*
|
|
* Restore the original snapend, as a printer might have
|
|
* changed it.
|
|
*/
|
|
ndo->ndo_snapend = sp + h->caplen;
|
|
if (ndo->ndo_Xflag) {
|
|
/*
|
|
* Print the raw packet data in hex and ASCII.
|
|
*/
|
|
if (ndo->ndo_Xflag > 1) {
|
|
/*
|
|
* Include the link-layer header.
|
|
*/
|
|
hex_and_ascii_print(ndo, "\n\t", sp, h->caplen);
|
|
} else {
|
|
/*
|
|
* Don't include the link-layer header - and if
|
|
* we have nothing past the link-layer header,
|
|
* print nothing.
|
|
*/
|
|
if (h->caplen > hdrlen)
|
|
hex_and_ascii_print(ndo, "\n\t", sp + hdrlen,
|
|
h->caplen - hdrlen);
|
|
}
|
|
} else if (ndo->ndo_xflag) {
|
|
/*
|
|
* Print the raw packet data in hex.
|
|
*/
|
|
if (ndo->ndo_xflag > 1) {
|
|
/*
|
|
* Include the link-layer header.
|
|
*/
|
|
hex_print(ndo, "\n\t", sp, h->caplen);
|
|
} else {
|
|
/*
|
|
* Don't include the link-layer header - and if
|
|
* we have nothing past the link-layer header,
|
|
* print nothing.
|
|
*/
|
|
if (h->caplen > hdrlen)
|
|
hex_print(ndo, "\n\t", sp + hdrlen,
|
|
h->caplen - hdrlen);
|
|
}
|
|
} else if (ndo->ndo_Aflag) {
|
|
/*
|
|
* Print the raw packet data in ASCII.
|
|
*/
|
|
if (ndo->ndo_Aflag > 1) {
|
|
/*
|
|
* Include the link-layer header.
|
|
*/
|
|
ascii_print(ndo, sp, h->caplen);
|
|
} else {
|
|
/*
|
|
* Don't include the link-layer header - and if
|
|
* we have nothing past the link-layer header,
|
|
* print nothing.
|
|
*/
|
|
if (h->caplen > hdrlen)
|
|
ascii_print(ndo, sp + hdrlen, h->caplen - hdrlen);
|
|
}
|
|
}
|
|
|
|
ND_PRINT((ndo, "\n"));
|
|
}
|
|
|
|
/*
|
|
* By default, print the specified data out in hex and ASCII.
|
|
*/
|
|
static void
|
|
ndo_default_print(netdissect_options *ndo, const u_char *bp, u_int length)
|
|
{
|
|
hex_and_ascii_print(ndo, "\n\t", bp, length); /* pass on lf and indentation string */
|
|
}
|
|
|
|
/* VARARGS */
|
|
static void
|
|
ndo_error(netdissect_options *ndo, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if(ndo->program_name)
|
|
(void)fprintf(stderr, "%s: ", ndo->program_name);
|
|
va_start(ap, fmt);
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
if (*fmt) {
|
|
fmt += strlen(fmt);
|
|
if (fmt[-1] != '\n')
|
|
(void)fputc('\n', stderr);
|
|
}
|
|
nd_cleanup();
|
|
exit(1);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
/* VARARGS */
|
|
static void
|
|
ndo_warning(netdissect_options *ndo, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
if(ndo->program_name)
|
|
(void)fprintf(stderr, "%s: ", ndo->program_name);
|
|
(void)fprintf(stderr, "WARNING: ");
|
|
va_start(ap, fmt);
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
if (*fmt) {
|
|
fmt += strlen(fmt);
|
|
if (fmt[-1] != '\n')
|
|
(void)fputc('\n', stderr);
|
|
}
|
|
}
|
|
|
|
static int
|
|
ndo_printf(netdissect_options *ndo, const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
int ret;
|
|
|
|
va_start(args, fmt);
|
|
ret = vfprintf(stdout, fmt, args);
|
|
va_end(args);
|
|
|
|
if (ret < 0)
|
|
ndo_error(ndo, "Unable to write output: %s", pcap_strerror(errno));
|
|
return (ret);
|
|
}
|
|
|
|
void
|
|
ndo_set_function_pointers(netdissect_options *ndo)
|
|
{
|
|
ndo->ndo_default_print=ndo_default_print;
|
|
ndo->ndo_printf=ndo_printf;
|
|
ndo->ndo_error=ndo_error;
|
|
ndo->ndo_warning=ndo_warning;
|
|
}
|
|
/*
|
|
* Local Variables:
|
|
* c-style: whitesmith
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|