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MFV: tcpdump 4.3.0.

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MFC after:	4 weeks
This commit is contained in:
Xin LI 2012-10-05 20:19:28 +00:00
commit d09a7e67b9
30 changed files with 1138 additions and 368 deletions
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16
contrib/tcpdump/CHANGES
View File

@ -1,3 +1,19 @@
Friday April 3, 2011. mcr@sandelman.ca.
Summary for 4.3.0 tcpdump release
fixes for forces: SPARSE data (per RFC 5810)
some more test cases added
updates to documentation on -l, -U and -w flags.
Fix printing of BGP optional headers.
Tried to include DLT_PFSYNC support, failed due to headers required.
added TIPC support.
Fix LLDP Network Policy bit definitions.
fixes for IGMPv3's Max Response Time: it is in units of 0.1 second.
SIGUSR1 can be used rather than SIGINFO for stats
permit -n flag to affect print-ip for protocol numbers
ND_OPT_ADVINTERVAL is in milliseconds, not seconds
Teach PPPoE parser about RFC 4638
Friday December 9, 2011. guy@alum.mit.edu.
Summary for 4.2.1 tcpdump release
Only build the Babel printer if IPv6 is enabled.

3
contrib/tcpdump/CREDITS
View File

@ -43,6 +43,7 @@ Additional people who have contributed patches:
Chris Larson <clarson at kergoth dot com>
Christian Sievers <c_s at users dot sourceforge dot net>
Christophe Rhodes <csr21 at cantab dot net>
Cliff Frey <cliff at meraki dot com>
Craig Rodrigues <rodrigc at mediaone dot net>
Crist J. Clark <cjclark at alum dot mit dot edu>
Daniel Hagerty <hag at ai dot mit dot edu>
@ -102,6 +103,7 @@ Additional people who have contributed patches:
Kelly Carmichael <kcarmich at ipapp dot com>
Ken Hornstein <kenh at cmf dot nrl dot navy dot mil>
Kevin Steves <stevesk at pobox dot com>
Kenichi Maehashi <webmaster at kenichimaehashi dot com>
Klaus Klein <kleink at reziprozitaet dot de>
Kris Kennaway <kris at freebsd dot org>
Krzysztof Halasa <khc at pm dot waw dot pl>
@ -176,6 +178,7 @@ Additional people who have contributed patches:
Sepherosa Ziehau <sepherosa at gmail dot com>
Seth Webster <swebster at sst dot ll dot mit dot edu>
Shinsuke Suzuki <suz at kame dot net>
Simon Ruderich <simon at ruderich dot org>
Steinar Haug <sthaug at nethelp dot no>
Swaminathan Chandrasekaran <chander at juniper dot net>
Takashi Yamamoto <yamt at mwd dot biglobe dot ne dot jp>

11
contrib/tcpdump/Makefile.in
View File

@ -77,7 +77,7 @@ CSRC = addrtoname.c af.c checksum.c cpack.c gmpls.c oui.c gmt2local.c ipproto.c
print-chdlc.c print-cip.c print-cnfp.c print-dccp.c print-decnet.c \
print-domain.c print-dtp.c print-dvmrp.c print-enc.c print-egp.c \
print-eap.c print-eigrp.c\
print-esp.c print-ether.c print-fddi.c print-fr.c \
print-esp.c print-ether.c print-fddi.c print-forces.c print-fr.c \
print-gre.c print-hsrp.c print-icmp.c print-igmp.c \
print-igrp.c print-ip.c print-ipcomp.c print-ipfc.c print-ipnet.c \
print-ipx.c print-isoclns.c print-juniper.c print-krb.c \
@ -91,8 +91,8 @@ CSRC = addrtoname.c af.c checksum.c cpack.c gmpls.c oui.c gmt2local.c ipproto.c
print-rx.c print-sctp.c print-sflow.c print-sip.c print-sl.c print-sll.c \
print-slow.c print-snmp.c print-stp.c print-sunatm.c print-sunrpc.c \
print-symantec.c print-syslog.c print-tcp.c print-telnet.c print-tftp.c \
print-timed.c print-token.c print-udld.c print-udp.c print-usb.c \
print-vjc.c print-vqp.c print-vrrp.c print-vtp.c print-forces.c \
print-timed.c print-tipc.c print-token.c print-udld.c print-udp.c \
print-usb.c print-vjc.c print-vqp.c print-vrrp.c print-vtp.c \
print-wb.c print-zephyr.c signature.c setsignal.c tcpdump.c util.c
LIBNETDISSECT_SRC=print-isakmp.c
@ -304,10 +304,11 @@ EXTRA_DIST = \
tests/forces1.pcap \
tests/forces1vvv.out \
tests/forces1vvvv.out \
tests/forces2.out \
tests/forces2v.out \
tests/forces2vv.out \
tests/forces3vvv.out \
tests/icmpv6.out \
tests/icmpv6.pcap \
tests/ikev2four.out \
tests/ikev2four.pcap \
tests/ikev2fourv.out \
@ -335,6 +336,8 @@ EXTRA_DIST = \
tests/mpls-traceroute.pcap \
tests/ospf-gmpls.out \
tests/ospf-gmpls.pcap \
tests/pppoe.out \
tests/pppoe.pcap \
tests/print-A.out \
tests/print-AA.out \
tests/print-capX.out \

2
contrib/tcpdump/VERSION
View File

@ -1 +1 @@
4.2.1
4.3.0

22
contrib/tcpdump/configure vendored
View File

@ -7554,9 +7554,23 @@ if test $ac_cv_func_pcap_loop = yes; then
else
{ { echo "$as_me:$LINENO: error: Report this to tcpdump-workers@lists.tcpdump.org, and include the
config.log file in your report" >&5
config.log file in your report. If you have downloaded libpcap from
tcpdump.org, and built it yourself, please also include the config.log
file from the libpcap source directory, the Makefile from the libpcap
source directory, and the output of the make process for libpcap, as
this could be a problem with the libpcap that was built, and we will
not be able to determine why this is happening, and thus will not be
able to fix it, without that information, as we have not been able to
reproduce this problem ourselves." >&5
echo "$as_me: error: Report this to tcpdump-workers@lists.tcpdump.org, and include the
config.log file in your report" >&2;}
config.log file in your report. If you have downloaded libpcap from
tcpdump.org, and built it yourself, please also include the config.log
file from the libpcap source directory, the Makefile from the libpcap
source directory, and the output of the make process for libpcap, as
this could be a problem with the libpcap that was built, and we will
not be able to determine why this is happening, and thus will not be
able to fix it, without that information, as we have not been able to
reproduce this problem ourselves." >&2;}
{ (exit 1); exit 1; }; }
fi
@ -9330,7 +9344,7 @@ fi
done
if test $ac_cv_func_pcap_findalldevs = "yes" ; then
savedppflags="$CPPLAGS"
savedcppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $V_INCLS"
{ echo "$as_me:$LINENO: checking for pcap_if_t" >&5
echo $ECHO_N "checking for pcap_if_t... $ECHO_C" >&6; }
@ -11748,7 +11762,7 @@ _ACEOF
fi
savedppflags="$CPPLAGS"
savedcppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $V_INCLS"
for ac_header in openssl/evp.h

4
contrib/tcpdump/configure.in
View File

@ -732,7 +732,7 @@ if test $ac_cv_func_pcap_findalldevs = "yes" ; then
dnl Check for Mac OS X, which may ship pcap.h from 0.6 but libpcap may
dnl be 0.8; this means that lib has pcap_findalldevs but header doesn't
dnl have pcap_if_t.
savedppflags="$CPPLAGS"
savedcppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $V_INCLS"
AC_CHECK_TYPES(pcap_if_t, , , [#include <pcap.h>])
CPPFLAGS="$savedcppflags"
@ -1067,7 +1067,7 @@ if test "$want_libcrypto" != "no"; then
fi
AC_CHECK_LIB(crypto, DES_cbc_encrypt)
savedppflags="$CPPLAGS"
savedcppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $V_INCLS"
AC_CHECK_HEADERS(openssl/evp.h)
CPPFLAGS="$savedcppflags"

4
contrib/tcpdump/decode_prefix.h
View File

@ -33,9 +33,9 @@
#ifndef tcpdump_decode_prefix_h
#define tcpdump_decode_prefix_h
extern int decode_prefix4(const u_char *pptr, char *buf, u_int buflen);
extern int decode_prefix4(const u_char *pptr, u_int itemlen, char *buf, u_int buflen);
#ifdef INET6
extern int decode_prefix6(const u_char *pd, char *buf, u_int buflen);
extern int decode_prefix6(const u_char *pd, u_int itemlen, char *buf, u_int buflen);
#endif
#endif

3
contrib/tcpdump/ethertype.h
View File

@ -101,6 +101,9 @@
#ifndef ETHERTYPE_AARP
#define ETHERTYPE_AARP 0x80f3
#endif
#ifndef ETHERTYPE_TIPC
#define ETHERTYPE_TIPC 0x88ca
#endif
#ifndef ETHERTYPE_8021Q
#define ETHERTYPE_8021Q 0x8100
#endif

2
contrib/tcpdump/forces.h
View File

@ -308,7 +308,7 @@ static const struct optlv_h OPTLV_msg[F_OP_MAX + 1] = {
/* F_OP_GET */ {ZERO_TTLV, 0, " Get", recpdoptlv_print},
/* F_OP_GETPROP */ {ZERO_TTLV, 0, " GetProp", recpdoptlv_print},
/* F_OP_GETRESP */
{TTLV_T2, B_FULLD | B_RESTV, " GetResp", recpdoptlv_print},
{TTLV_T2, B_FULLD | B_SPARD | B_RESTV, " GetResp", recpdoptlv_print},
/* F_OP_GETPRESP */
{TTLV_T2, B_FULLD | B_RESTV, " GetPropResp", recpdoptlv_print},
/* F_OP_REPORT */

1
contrib/tcpdump/netdissect.h
View File

@ -280,6 +280,7 @@ extern int esp_print(netdissect_options *,
register const u_char *bp, int len, register const u_char *bp2,
int *nhdr, int *padlen);
extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
extern void icmp6_print(netdissect_options *ndo, const u_char *,
u_int, const u_char *, int);
extern void isakmp_print(netdissect_options *,const u_char *,

2
contrib/tcpdump/print-802_11.c
View File

@ -485,7 +485,7 @@ static const char *auth_alg_text[]={"Open System","Shared Key","EAP"};
#define NUM_AUTH_ALGS (sizeof auth_alg_text / sizeof auth_alg_text[0])
static const char *status_text[] = {
"Succesful", /* 0 */
"Successful", /* 0 */
"Unspecified failure", /* 1 */
"Reserved", /* 2 */
"Reserved", /* 3 */

505
contrib/tcpdump/print-bgp.c
View File

@ -93,8 +93,7 @@ struct bgp_opt {
/* variable length */
};
#define BGP_OPT_SIZE 2 /* some compilers may pad to 4 bytes */
#define BGP_UPDATE_MINSIZE 23
#define BGP_CAP_HEADER_SIZE 2 /* some compilers may pad to 4 bytes */
struct bgp_notification {
u_int8_t bgpn_marker[16];
@ -115,19 +114,10 @@ struct bgp_route_refresh {
}; /* EXTRACT_16BITS(&bgp_route_refresh->afi) (sigh) */
#define BGP_ROUTE_REFRESH_SIZE 23
struct bgp_attr {
u_int8_t bgpa_flags;
u_int8_t bgpa_type;
union {
u_int8_t len;
u_int16_t elen;
} bgpa_len;
#define bgp_attr_len(p) \
(((p)->bgpa_flags & 0x10) ? \
EXTRACT_16BITS(&(p)->bgpa_len.elen) : (p)->bgpa_len.len)
#define bgp_attr_off(p) \
(((p)->bgpa_flags & 0x10) ? 4 : 3)
};
#define bgp_attr_lenlen(flags, p) \
(((flags) & 0x10) ? 2 : 1)
#define bgp_attr_len(flags, p) \
(((flags) & 0x10) ? EXTRACT_16BITS(p) : *(p))
#define BGPTYPE_ORIGIN 1
#define BGPTYPE_AS_PATH 2
@ -493,38 +483,49 @@ as_printf (char *str, int size, u_int asnum)
return str;
}
#define ITEMCHECK(minlen) if (itemlen < minlen) goto badtlv;
int
decode_prefix4(const u_char *pptr, char *buf, u_int buflen)
decode_prefix4(const u_char *pptr, u_int itemlen, char *buf, u_int buflen)
{
struct in_addr addr;
u_int plen;
u_int plen, plenbytes;
TCHECK(pptr[0]);
ITEMCHECK(1);
plen = pptr[0];
if (32 < plen)
return -1;
itemlen -= 1;
memset(&addr, 0, sizeof(addr));
TCHECK2(pptr[1], (plen + 7) / 8);
memcpy(&addr, &pptr[1], (plen + 7) / 8);
plenbytes = (plen + 7) / 8;
TCHECK2(pptr[1], plenbytes);
ITEMCHECK(plenbytes);
memcpy(&addr, &pptr[1], plenbytes);
if (plen % 8) {
((u_char *)&addr)[(plen + 7) / 8 - 1] &=
((u_char *)&addr)[plenbytes - 1] &=
((0xff00 >> (plen % 8)) & 0xff);
}
snprintf(buf, buflen, "%s/%d", getname((u_char *)&addr), plen);
return 1 + (plen + 7) / 8;
return 1 + plenbytes;
trunc:
return -2;
badtlv:
return -3;
}
static int
decode_labeled_prefix4(const u_char *pptr, char *buf, u_int buflen)
decode_labeled_prefix4(const u_char *pptr, u_int itemlen, char *buf, u_int buflen)
{
struct in_addr addr;
u_int plen;
u_int plen, plenbytes;
TCHECK(pptr[0]);
/* prefix length and label = 4 bytes */
TCHECK2(pptr[0], 4);
ITEMCHECK(4);
plen = pptr[0]; /* get prefix length */
/* this is one of the weirdnesses of rfc3107
@ -542,12 +543,15 @@ decode_labeled_prefix4(const u_char *pptr, char *buf, u_int buflen)
if (32 < plen)
return -1;
itemlen -= 4;
memset(&addr, 0, sizeof(addr));
TCHECK2(pptr[4], (plen + 7) / 8);
memcpy(&addr, &pptr[4], (plen + 7) / 8);
plenbytes = (plen + 7) / 8;
TCHECK2(pptr[4], plenbytes);
ITEMCHECK(plenbytes);
memcpy(&addr, &pptr[4], plenbytes);
if (plen % 8) {
((u_char *)&addr)[(plen + 7) / 8 - 1] &=
((u_char *)&addr)[plenbytes - 1] &=
((0xff00 >> (plen % 8)) & 0xff);
}
/* the label may get offsetted by 4 bits so lets shift it right */
@ -557,10 +561,13 @@ decode_labeled_prefix4(const u_char *pptr, char *buf, u_int buflen)
EXTRACT_24BITS(pptr+1)>>4,
((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );
return 4 + (plen + 7) / 8;
return 4 + plenbytes;
trunc:
return -2;
badtlv:
return -3;
}
/*
@ -1041,37 +1048,46 @@ decode_labeled_vpn_l2(const u_char *pptr, char *buf, u_int buflen)
#ifdef INET6
int
decode_prefix6(const u_char *pd, char *buf, u_int buflen)
decode_prefix6(const u_char *pd, u_int itemlen, char *buf, u_int buflen)
{
struct in6_addr addr;
u_int plen;
u_int plen, plenbytes;
TCHECK(pd[0]);
ITEMCHECK(1);
plen = pd[0];
if (128 < plen)
return -1;
itemlen -= 1;
memset(&addr, 0, sizeof(addr));
TCHECK2(pd[1], (plen + 7) / 8);
memcpy(&addr, &pd[1], (plen + 7) / 8);
plenbytes = (plen + 7) / 8;
TCHECK2(pd[1], plenbytes);
ITEMCHECK(plenbytes);
memcpy(&addr, &pd[1], plenbytes);
if (plen % 8) {
addr.s6_addr[(plen + 7) / 8 - 1] &=
addr.s6_addr[plenbytes - 1] &=
((0xff00 >> (plen % 8)) & 0xff);
}
snprintf(buf, buflen, "%s/%d", getname6((u_char *)&addr), plen);
return 1 + (plen + 7) / 8;
return 1 + plenbytes;
trunc:
return -2;
badtlv:
return -3;
}
static int
decode_labeled_prefix6(const u_char *pptr, char *buf, u_int buflen)
decode_labeled_prefix6(const u_char *pptr, u_int itemlen, char *buf, u_int buflen)
{
struct in6_addr addr;
u_int plen;
u_int plen, plenbytes;
TCHECK(pptr[0]);
/* prefix length and label = 4 bytes */
TCHECK2(pptr[0], 4);
ITEMCHECK(4);
plen = pptr[0]; /* get prefix length */
if (24 > plen)
@ -1081,12 +1097,14 @@ decode_labeled_prefix6(const u_char *pptr, char *buf, u_int buflen)
if (128 < plen)
return -1;
itemlen -= 4;
memset(&addr, 0, sizeof(addr));
TCHECK2(pptr[4], (plen + 7) / 8);
memcpy(&addr, &pptr[4], (plen + 7) / 8);
plenbytes = (plen + 7) / 8;
TCHECK2(pptr[4], plenbytes);
memcpy(&addr, &pptr[4], plenbytes);
if (plen % 8) {
addr.s6_addr[(plen + 7) / 8 - 1] &=
addr.s6_addr[plenbytes - 1] &=
((0xff00 >> (plen % 8)) & 0xff);
}
/* the label may get offsetted by 4 bits so lets shift it right */
@ -1096,10 +1114,13 @@ decode_labeled_prefix6(const u_char *pptr, char *buf, u_int buflen)
EXTRACT_24BITS(pptr+1)>>4,
((pptr[3]&1)==0) ? "(BOGUS: Bottom of Stack NOT set!)" : "(bottom)" );
return 4 + (plen + 7) / 8;
return 4 + plenbytes;
trunc:
return -2;
badtlv:
return -3;
}
static int
@ -1266,7 +1287,7 @@ bgp_attr_get_as_size (u_int8_t bgpa_type, const u_char *pptr, int len)
}
static int
bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
bgp_attr_print(u_int atype, const u_char *pptr, u_int len)
{
int i;
u_int16_t af;
@ -1276,7 +1297,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
u_int32_t i;
} bw;
int advance;
int tlen;
u_int tlen;
const u_char *tptr;
char buf[MAXHOSTNAMELEN + 100];
char tokbuf[TOKBUFSIZE];
@ -1285,7 +1306,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
tptr = pptr;
tlen=len;
switch (attr->bgpa_type) {
switch (atype) {
case BGPTYPE_ORIGIN:
if (len != 1)
printf("invalid len");
@ -1321,7 +1342,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
* 2 bytes first, and it does not pass, assume that ASs are
* encoded in 4 bytes format and move on.
*/
as_size = bgp_attr_get_as_size(attr->bgpa_type, pptr, len);
as_size = bgp_attr_get_as_size(atype, pptr, len);
while (tptr < pptr + len) {
TCHECK(tptr[0]);
@ -1657,20 +1678,24 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET<<8 | SAFNUM_UNICAST):
case (AFNUM_INET<<8 | SAFNUM_MULTICAST):
case (AFNUM_INET<<8 | SAFNUM_UNIMULTICAST):
advance = decode_prefix4(tptr, buf, sizeof(buf));
advance = decode_prefix4(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
case (AFNUM_INET<<8 | SAFNUM_LABUNICAST):
advance = decode_labeled_prefix4(tptr, buf, sizeof(buf));
advance = decode_labeled_prefix4(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
@ -1718,20 +1743,24 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET6<<8 | SAFNUM_UNICAST):
case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):
advance = decode_prefix6(tptr, buf, sizeof(buf));
advance = decode_prefix6(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
case (AFNUM_INET6<<8 | SAFNUM_LABUNICAST):
advance = decode_labeled_prefix6(tptr, buf, sizeof(buf));
advance = decode_labeled_prefix6(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
@ -1821,20 +1850,24 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET<<8 | SAFNUM_UNICAST):
case (AFNUM_INET<<8 | SAFNUM_MULTICAST):
case (AFNUM_INET<<8 | SAFNUM_UNIMULTICAST):
advance = decode_prefix4(tptr, buf, sizeof(buf));
advance = decode_prefix4(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
case (AFNUM_INET<<8 | SAFNUM_LABUNICAST):
advance = decode_labeled_prefix4(tptr, buf, sizeof(buf));
advance = decode_labeled_prefix4(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
@ -1853,20 +1886,24 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
case (AFNUM_INET6<<8 | SAFNUM_UNICAST):
case (AFNUM_INET6<<8 | SAFNUM_MULTICAST):
case (AFNUM_INET6<<8 | SAFNUM_UNIMULTICAST):
advance = decode_prefix6(tptr, buf, sizeof(buf));
advance = decode_prefix6(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
case (AFNUM_INET6<<8 | SAFNUM_LABUNICAST):
advance = decode_labeled_prefix6(tptr, buf, sizeof(buf));
advance = decode_labeled_prefix6(tptr, len, buf, sizeof(buf));
if (advance == -1)
printf("\n\t (illegal prefix length)");
else if (advance == -2)
goto trunc;
else if (advance == -3)
break; /* bytes left, but not enough */
else
printf("\n\t %s", buf);
break;
@ -2097,40 +2134,50 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
}
case BGPTYPE_ATTR_SET:
TCHECK2(tptr[0], 4);
if (len < 4)
goto trunc;
printf("\n\t Origin AS: %s",
as_printf(astostr, sizeof(astostr), EXTRACT_32BITS(tptr)));
tptr+=4;
len -=4;
while (len >= 2 ) {
int alen;
struct bgp_attr bgpa;
while (len) {
u_int aflags, atype, alenlen, alen;
TCHECK2(tptr[0], sizeof(bgpa));
memcpy(&bgpa, tptr, sizeof(bgpa));
alen = bgp_attr_len(&bgpa);
tptr += bgp_attr_off(&bgpa);
len -= bgp_attr_off(&bgpa);
TCHECK2(tptr[0], 2);
if (len < 2)
goto trunc;
aflags = *tptr;
atype = *(tptr + 1);
tptr += 2;
len -= 2;
alenlen = bgp_attr_lenlen(aflags, tptr);
TCHECK2(tptr[0], alenlen);
if (len < alenlen)
goto trunc;
alen = bgp_attr_len(aflags, tptr);
tptr += alenlen;
len -= alenlen;
printf("\n\t %s (%u), length: %u",
tok2strbuf(bgp_attr_values,
"Unknown Attribute", bgpa.bgpa_type,
tokbuf, sizeof(tokbuf)),
bgpa.bgpa_type,
"Unknown Attribute", atype,
tokbuf, sizeof(tokbuf)),
atype,
alen);
if (bgpa.bgpa_flags) {
if (aflags) {
printf(", Flags [%s%s%s%s",
bgpa.bgpa_flags & 0x80 ? "O" : "",
bgpa.bgpa_flags & 0x40 ? "T" : "",
bgpa.bgpa_flags & 0x20 ? "P" : "",
bgpa.bgpa_flags & 0x10 ? "E" : "");
if (bgpa.bgpa_flags & 0xf)
printf("+%x", bgpa.bgpa_flags & 0xf);
aflags & 0x80 ? "O" : "",
aflags & 0x40 ? "T" : "",
aflags & 0x20 ? "P" : "",
aflags & 0x10 ? "E" : "");
if (aflags & 0xf)
printf("+%x", aflags & 0xf);
printf("]: ");
}
/* FIXME check for recursion */
if (!bgp_attr_print(&bgpa, tptr, alen))
if (!bgp_attr_print(atype, tptr, alen))
return 0;
tptr += alen;
len -= alen;
@ -2140,7 +2187,7 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
default:
TCHECK2(*pptr,len);
printf("\n\t no Attribute %u decoder",attr->bgpa_type); /* we have no decoder for the attribute */
printf("\n\t no Attribute %u decoder",atype); /* we have no decoder for the attribute */
if (vflag <= 1)
print_unknown_data(pptr,"\n\t ",len);
break;
@ -2155,15 +2202,98 @@ bgp_attr_print(const struct bgp_attr *attr, const u_char *pptr, int len)
return 0;
}
static void
bgp_capabilities_print(const u_char *opt, int caps_len)
{
char tokbuf[TOKBUFSIZE];
char tokbuf2[TOKBUFSIZE];
int cap_type, cap_len, tcap_len, cap_offset;
int i = 0;
while (i < caps_len) {
TCHECK2(opt[i], BGP_CAP_HEADER_SIZE);
cap_type=opt[i];
cap_len=opt[i+1];
tcap_len=cap_len;
printf("\n\t %s (%u), length: %u",
tok2strbuf(bgp_capcode_values, "Unknown",
cap_type, tokbuf, sizeof(tokbuf)),
cap_type,
cap_len);
TCHECK2(opt[i+2], cap_len);
switch (cap_type) {
case BGP_CAPCODE_MP:
printf("\n\t\tAFI %s (%u), SAFI %s (%u)",
tok2strbuf(af_values, "Unknown",
EXTRACT_16BITS(opt+i+2),
tokbuf, sizeof(tokbuf)),
EXTRACT_16BITS(opt+i+2),
tok2strbuf(bgp_safi_values, "Unknown",
opt[i+5],
tokbuf, sizeof(tokbuf)),
opt[i+5]);
break;
case BGP_CAPCODE_RESTART:
printf("\n\t\tRestart Flags: [%s], Restart Time %us",
((opt[i+2])&0x80) ? "R" : "none",
EXTRACT_16BITS(opt+i+2)&0xfff);
tcap_len-=2;
cap_offset=4;
while(tcap_len>=4) {
printf("\n\t\t AFI %s (%u), SAFI %s (%u), Forwarding state preserved: %s",
tok2strbuf(af_values,"Unknown",
EXTRACT_16BITS(opt+i+cap_offset),
tokbuf, sizeof(tokbuf)),
EXTRACT_16BITS(opt+i+cap_offset),
tok2strbuf(bgp_safi_values,"Unknown",
opt[i+cap_offset+2],
tokbuf2, sizeof(tokbuf2)),
opt[i+cap_offset+2],
((opt[i+cap_offset+3])&0x80) ? "yes" : "no" );
tcap_len-=4;
cap_offset+=4;
}
break;
case BGP_CAPCODE_RR:
case BGP_CAPCODE_RR_CISCO:
break;
case BGP_CAPCODE_AS_NEW:
/*
* Extract the 4 byte AS number encoded.
*/
if (cap_len == 4) {
printf("\n\t\t 4 Byte AS %s",
as_printf(astostr, sizeof(astostr),
EXTRACT_32BITS(opt + i + 2)));
}
break;
default:
printf("\n\t\tno decoder for Capability %u",
cap_type);
if (vflag <= 1)
print_unknown_data(&opt[i+2],"\n\t\t",cap_len);
break;
}
if (vflag > 1 && cap_len > 0) {
print_unknown_data(&opt[i+2],"\n\t\t",cap_len);
}
i += BGP_CAP_HEADER_SIZE + cap_len;
}
return;
trunc:
printf("[|BGP]");
}
static void
bgp_open_print(const u_char *dat, int length)
{
struct bgp_open bgpo;
struct bgp_opt bgpopt;
const u_char *opt;
int i,cap_type,cap_len,tcap_len,cap_offset;
int i;
char tokbuf[TOKBUFSIZE];
char tokbuf2[TOKBUFSIZE];
TCHECK2(dat[0], BGP_OPEN_SIZE);
memcpy(&bgpo, dat, BGP_OPEN_SIZE);
@ -2188,96 +2318,31 @@ bgp_open_print(const u_char *dat, int length)
TCHECK2(opt[i], BGP_OPT_SIZE);
memcpy(&bgpopt, &opt[i], BGP_OPT_SIZE);
if (i + 2 + bgpopt.bgpopt_len > bgpo.bgpo_optlen) {
printf("\n\t Option %d, length: %u", bgpopt.bgpopt_type, bgpopt.bgpopt_len);
printf("\n\t Option %d, length: %u", bgpopt.bgpopt_type, bgpopt.bgpopt_len);
break;
}
printf("\n\t Option %s (%u), length: %u",
tok2strbuf(bgp_opt_values,"Unknown",
tok2strbuf(bgp_opt_values,"Unknown",
bgpopt.bgpopt_type,
tokbuf, sizeof(tokbuf)),
bgpopt.bgpopt_type,
bgpopt.bgpopt_len);
bgpopt.bgpopt_type,
bgpopt.bgpopt_len);
/* now lets decode the options we know*/
switch(bgpopt.bgpopt_type) {
case BGP_OPT_CAP:
cap_type=opt[i+BGP_OPT_SIZE];
cap_len=opt[i+BGP_OPT_SIZE+1];
tcap_len=cap_len;
printf("\n\t %s (%u), length: %u",
tok2strbuf(bgp_capcode_values, "Unknown",
cap_type, tokbuf, sizeof(tokbuf)),
cap_type,
cap_len);
switch(cap_type) {
case BGP_CAPCODE_MP:
printf("\n\t\tAFI %s (%u), SAFI %s (%u)",
tok2strbuf(af_values, "Unknown",
EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+2),
tokbuf, sizeof(tokbuf)),
EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+2),
tok2strbuf(bgp_safi_values, "Unknown",
opt[i+BGP_OPT_SIZE+5],
tokbuf, sizeof(tokbuf)),
opt[i+BGP_OPT_SIZE+5]);
break;
case BGP_CAPCODE_RESTART:
printf("\n\t\tRestart Flags: [%s], Restart Time %us",
((opt[i+BGP_OPT_SIZE+2])&0x80) ? "R" : "none",
EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+2)&0xfff);
tcap_len-=2;
cap_offset=4;
while(tcap_len>=4) {
printf("\n\t\t AFI %s (%u), SAFI %s (%u), Forwarding state preserved: %s",
tok2strbuf(af_values,"Unknown",
EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+cap_offset),
tokbuf, sizeof(tokbuf)),
EXTRACT_16BITS(opt+i+BGP_OPT_SIZE+cap_offset),
tok2strbuf(bgp_safi_values,"Unknown",
opt[i+BGP_OPT_SIZE+cap_offset+2],
tokbuf2, sizeof(tokbuf2)),
opt[i+BGP_OPT_SIZE+cap_offset+2],
((opt[i+BGP_OPT_SIZE+cap_offset+3])&0x80) ? "yes" : "no" );
tcap_len-=4;
cap_offset+=4;
}
break;
case BGP_CAPCODE_RR:
case BGP_CAPCODE_RR_CISCO:
break;
case BGP_CAPCODE_AS_NEW:
/* now let's decode the options we know*/
switch(bgpopt.bgpopt_type) {
/*
* Extract the 4 byte AS number encoded.
*/
TCHECK2(opt[i + BGP_OPT_SIZE + 2], cap_len);
if (cap_len == 4) {
printf("\n\t\t 4 Byte AS %s",
as_printf(astostr, sizeof(astostr),
EXTRACT_32BITS(opt + i + BGP_OPT_SIZE + 2)));
}
break;
default:
TCHECK2(opt[i+BGP_OPT_SIZE+2],cap_len);
printf("\n\t\tno decoder for Capability %u",
cap_type);
if (vflag <= 1)
print_unknown_data(&opt[i+BGP_OPT_SIZE+2],"\n\t\t",cap_len);
break;
}
if (vflag > 1) {
TCHECK2(opt[i+BGP_OPT_SIZE+2],cap_len);
print_unknown_data(&opt[i+BGP_OPT_SIZE+2],"\n\t\t",cap_len);
}
break;
case BGP_OPT_AUTH:
default:
printf("\n\t no decoder for option %u",
bgpopt.bgpopt_type);
break;
}
case BGP_OPT_CAP:
bgp_capabilities_print(&opt[i+BGP_OPT_SIZE],
bgpopt.bgpopt_len);
break;
case BGP_OPT_AUTH:
default:
printf("\n\t no decoder for option %u",
bgpopt.bgpopt_type);
break;
}
i += BGP_OPT_SIZE + bgpopt.bgpopt_len;
}
return;
@ -2289,107 +2354,163 @@ static void
bgp_update_print(const u_char *dat, int length)
{
struct bgp bgp;
struct bgp_attr bgpa;
const u_char *p;
int withdrawn_routes_len;
int len;
int i;
char tokbuf[TOKBUFSIZE];
#ifndef INET6
char buf[MAXHOSTNAMELEN + 100];
int wpfx;
#endif
TCHECK2(dat[0], BGP_SIZE);
if (length < BGP_SIZE)
goto trunc;
memcpy(&bgp, dat, BGP_SIZE);
p = dat + BGP_SIZE; /*XXX*/
length -= BGP_SIZE;
/* Unfeasible routes */
len = EXTRACT_16BITS(p);
if (len) {
TCHECK2(p[0], 2);
if (length < 2)
goto trunc;
withdrawn_routes_len = EXTRACT_16BITS(p);
p += 2;
length -= 2;
if (withdrawn_routes_len) {
/*
* Without keeping state from the original NLRI message,
* it's not possible to tell if this a v4 or v6 route,
* so only try to decode it if we're not v6 enabled.
*/
TCHECK2(p[0], withdrawn_routes_len);
if (length < withdrawn_routes_len)
goto trunc;
#ifdef INET6
printf("\n\t Withdrawn routes: %d bytes", len);
printf("\n\t Withdrawn routes: %d bytes", withdrawn_routes_len);
p += withdrawn_routes_len;
length -= withdrawn_routes_len;
#else
char buf[MAXHOSTNAMELEN + 100];
int wpfx;
if (withdrawn_routes_len < 2)
goto trunc;
length -= 2;
withdrawn_routes_len -= 2;
TCHECK2(p[2], len);
i = 2;
printf("\n\t Withdrawn routes:");
while(i < 2 + len) {
wpfx = decode_prefix4(&p[i], buf, sizeof(buf));
while(withdrawn_routes_len > 0) {
wpfx = decode_prefix4(p, withdrawn_routes_len, buf, sizeof(buf));
if (wpfx == -1) {
printf("\n\t (illegal prefix length)");
break;
} else if (wpfx == -2)
goto trunc;
else if (wpfx == -3)
goto trunc; /* bytes left, but not enough */
else {
i += wpfx;
printf("\n\t %s", buf);
p += wpfx;
length -= wpfx;
withdrawn_routes_len -= wpfx;
}
}
#endif
}
p += 2 + len;
TCHECK2(p[0], 2);
if (length < 2)
goto trunc;
len = EXTRACT_16BITS(p);
p += 2;
length -= 2;
if (len == 0 && length == BGP_UPDATE_MINSIZE) {
if (withdrawn_routes_len == 0 && len == 0 && length == 0) {
/* No withdrawn routes, no path attributes, no NLRI */
printf("\n\t End-of-Rib Marker (empty NLRI)");
return;
}
if (len) {
/* do something more useful!*/
i = 2;
while (i < 2 + len) {
int alen, aoff;
while (len) {
int aflags, atype, alenlen, alen;
TCHECK2(p[i], sizeof(bgpa));
memcpy(&bgpa, &p[i], sizeof(bgpa));
alen = bgp_attr_len(&bgpa);
aoff = bgp_attr_off(&bgpa);
TCHECK2(p[0], 2);
if (len < 2)
goto trunc;
if (length < 2)
goto trunc;
aflags = *p;
atype = *(p + 1);
p += 2;
len -= 2;
length -= 2;
alenlen = bgp_attr_lenlen(aflags, p);
TCHECK2(p[0], alenlen);
if (len < alenlen)
goto trunc;
if (length < alenlen)
goto trunc;
alen = bgp_attr_len(aflags, p);
p += alenlen;
len -= alenlen;
length -= alenlen;
printf("\n\t %s (%u), length: %u",
printf("\n\t %s (%u), length: %u",
tok2strbuf(bgp_attr_values, "Unknown Attribute",
bgpa.bgpa_type,
atype,
tokbuf, sizeof(tokbuf)),
bgpa.bgpa_type,
atype,
alen);
if (bgpa.bgpa_flags) {
if (aflags) {
printf(", Flags [%s%s%s%s",
bgpa.bgpa_flags & 0x80 ? "O" : "",
bgpa.bgpa_flags & 0x40 ? "T" : "",
bgpa.bgpa_flags & 0x20 ? "P" : "",
bgpa.bgpa_flags & 0x10 ? "E" : "");
if (bgpa.bgpa_flags & 0xf)
printf("+%x", bgpa.bgpa_flags & 0xf);
aflags & 0x80 ? "O" : "",
aflags & 0x40 ? "T" : "",
aflags & 0x20 ? "P" : "",
aflags & 0x10 ? "E" : "");
if (aflags & 0xf)
printf("+%x", aflags & 0xf);
printf("]: ");
}
if (!bgp_attr_print(&bgpa, &p[i + aoff], alen))
if (len < alen)
goto trunc;
i += aoff + alen;
if (length < alen)
goto trunc;
if (!bgp_attr_print(atype, p, alen))
goto trunc;
p += alen;
len -= alen;
length -= alen;
}
}
p += 2 + len;
if (dat + length > p) {
if (length) {
/*
* XXX - what if they're using the "Advertisement of
* Multiple Paths in BGP" feature:
*
* https://datatracker.ietf.org/doc/draft-ietf-idr-add-paths/
*
* http://tools.ietf.org/html/draft-ietf-idr-add-paths-06
*/
printf("\n\t Updated routes:");
while (dat + length > p) {
while (length) {
char buf[MAXHOSTNAMELEN + 100];
i = decode_prefix4(p, buf, sizeof(buf));
i = decode_prefix4(p, length, buf, sizeof(buf));
if (i == -1) {
printf("\n\t (illegal prefix length)");
break;
} else if (i == -2)
goto trunc;
else if (i == -3)
goto trunc; /* bytes left, but not enough */
else {
printf("\n\t %s", buf);
p += i;
length -= i;
}
}
}

6
contrib/tcpdump/print-ether.c
View File

@ -39,7 +39,6 @@ static const char rcsid[] _U_ =
#include "extract.h"
#include "addrtoname.h"
#include "ethertype.h"
#include "ether.h"
const struct tok ethertype_values[] = {
@ -86,6 +85,7 @@ const struct tok ethertype_values[] = {
{ ETHERTYPE_CFM_OLD, "CFM (old)" },
{ ETHERTYPE_CFM, "CFM" },
{ ETHERTYPE_LLDP, "LLDP" },
{ ETHERTYPE_TIPC, "TIPC"},
{ 0, NULL}
};
@ -410,6 +410,10 @@ ethertype_print(netdissect_options *ndo,
mpls_print(/*ndo,*/p, length);
return (1);
case ETHERTYPE_TIPC:
tipc_print(ndo, p, length, caplen);
return (1);
case ETHERTYPE_LAT:
case ETHERTYPE_SCA:
case ETHERTYPE_MOPRC:

32
contrib/tcpdump/print-forces.c
View File

@ -113,24 +113,24 @@ sdatailv_print(register const u_char * pptr, register u_int len,
printf("Error: BAD SPARSEDATA-TLV!\n");
return -1;
}
rlen = len - ILV_HDRL;
rlen = len;
indent += 1;
while (rlen != 0) {
char *ib = indent_pr(indent, 1);
register const u_char *tdp = (u_char *) ILV_DATA(ilv);
TCHECK(*ilv);
invilv = ilv_valid(ilv, rlen);
if (invilv) {
printf("Error: BAD ILV!\n");
return -1;
}
if (vflag >= 3) {
register const u_char *tdp = (u_char *) ILV_DATA(ilv);
char *ib = indent_pr(indent, 1);
printf("\n%s SPARSEDATA: type %x length %d\n", &ib[1],
EXTRACT_32BITS(&ilv->type),
EXTRACT_32BITS(&ilv->length));
printf("%s[", &ib[1]);
hex_print_with_offset(ib, tdp, rlen, 0);
printf("\n%s]\n", &ib[1]);
return -1;
}
if (vflag >= 3) {
int ilvl = EXTRACT_32BITS(&ilv->length);
printf("\n%s ILV: type %x length %d\n", &ib[1],
EXTRACT_32BITS(&ilv->type), ilvl);
hex_print_with_offset("\t\t[", tdp, ilvl-ILV_HDRL, 0);
}
ilv = GO_NXT_ILV(ilv, rlen);
@ -216,7 +216,6 @@ pdatacnt_print(register const u_char * pptr, register u_int len,
u_int16_t IDcnt, u_int16_t op_msk, int indent)
{
u_int i;
int rc;
u_int32_t id;
char *ib = indent_pr(indent, 0);
@ -282,9 +281,10 @@ pdatacnt_print(register const u_char * pptr, register u_int len,
chk_op_type(type, op_msk, ops->op_msk);
rc = ops->print((const u_char *)pdtlv,
if (ops->print((const u_char *)pdtlv,
tll + pad + TLV_HDRL, op_msk,
indent + 2);
indent + 2) == -1)
return -1;
len -= (TLV_HDRL + pad + tll);
} else {
printf("Invalid path data content type 0x%x len %d\n",
@ -404,7 +404,6 @@ recpdoptlv_print(register const u_char * pptr, register u_int len,
{
const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
int tll;
int rc = 0;
int invtlv;
u_int16_t type;
register const u_char *dp;
@ -434,7 +433,8 @@ recpdoptlv_print(register const u_char * pptr, register u_int len,
EXTRACT_16BITS(&pdtlv->length),
EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL);
rc = pdata_print(dp, tll, op_msk, indent + 1);
if (pdata_print(dp, tll, op_msk, indent + 1) == -1)
return -1;
pdtlv = GO_NXT_TLV(pdtlv, len);
}
@ -1016,7 +1016,7 @@ void forces_print(register const u_char * pptr, register u_int len)
if (vflag >= 1) {
printf("\n\tForCES Version %d len %uB flags 0x%08x ",
ForCES_V(fhdr), mlen, flg_raw);
printf("\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIu64,
printf("\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
EXTRACT_64BITS(fhdr->fm_cor));

2
contrib/tcpdump/print-icmp6.c
View File

@ -752,7 +752,7 @@ icmp6_opt_print(const u_char *bp, int resid)
case ND_OPT_ADVINTERVAL:
opa = (struct nd_opt_advinterval *)op;
TCHECK(opa->nd_opt_adv_interval);
printf(" %us", EXTRACT_32BITS(&opa->nd_opt_adv_interval));
printf(" %ums", EXTRACT_32BITS(&opa->nd_opt_adv_interval));
break;
case ND_OPT_HOMEAGENT_INFO:
oph = (struct nd_opt_homeagent_info *)op;

6
contrib/tcpdump/print-igmp.c
View File

@ -227,7 +227,11 @@ print_igmpv3_query(register const u_char *bp, register u_int len)
}
if (mrc != 100) {
(void)printf(" [max resp time ");
relts_print(mrt);
if (mrt < 600) {
(void)printf("%.1fs", mrt * 0.1);
} else {
relts_print(mrt / 10);
}
(void)printf("]");
}
TCHECK2(bp[4], 4);

26
contrib/tcpdump/print-ip.c
View File

@ -352,7 +352,7 @@ ip_print_demux(netdissect_options *ndo,
ipds->nh = enh & 0xff;
goto again;
}
case IPPROTO_IPCOMP:
{
int enh;
@ -372,25 +372,25 @@ ip_print_demux(netdissect_options *ndo,
case IPPROTO_DCCP:
dccp_print(ipds->cp, (const u_char *)ipds->ip, ipds->len);
break;
case IPPROTO_TCP:
/* pass on the MF bit plus the offset to detect fragments */
tcp_print(ipds->cp, ipds->len, (const u_char *)ipds->ip,
ipds->off & (IP_MF|IP_OFFMASK));
break;
case IPPROTO_UDP:
/* pass on the MF bit plus the offset to detect fragments */
udp_print(ipds->cp, ipds->len, (const u_char *)ipds->ip,
ipds->off & (IP_MF|IP_OFFMASK));
break;
case IPPROTO_ICMP:
/* pass on the MF bit plus the offset to detect fragments */
icmp_print(ipds->cp, ipds->len, (const u_char *)ipds->ip,
ipds->off & (IP_MF|IP_OFFMASK));
break;
case IPPROTO_PIGP:
/*
* XXX - the current IANA protocol number assignments
@ -407,11 +407,11 @@ ip_print_demux(netdissect_options *ndo,
*/
igrp_print(ipds->cp, ipds->len, (const u_char *)ipds->ip);
break;
case IPPROTO_EIGRP:
eigrp_print(ipds->cp, ipds->len);
break;
case IPPROTO_ND:
ND_PRINT((ndo, " nd %d", ipds->len));
break;
@ -436,7 +436,7 @@ ip_print_demux(netdissect_options *ndo,
return;
}
break;
#ifdef INET6
case IPPROTO_IPV6:
/* ip6-in-ip encapsulation */
@ -488,7 +488,7 @@ ip_print_demux(netdissect_options *ndo,
break;
default:
if ((proto = getprotobynumber(ipds->nh)) != NULL)
if (ndo->ndo_nflag==0 && (proto = getprotobynumber(ipds->nh)) != NULL)
ND_PRINT((ndo, " %s", proto->p_name));
else
ND_PRINT((ndo, " ip-proto-%d", ipds->nh));
@ -496,7 +496,7 @@ ip_print_demux(netdissect_options *ndo,
break;
}
}
void
ip_print_inner(netdissect_options *ndo,
const u_char *bp,
@ -603,7 +603,7 @@ ip_print(netdissect_options *ndo,
}
if (ipds->ip->ip_ttl >= 1)
(void)printf(", ttl %u", ipds->ip->ip_ttl);
(void)printf(", ttl %u", ipds->ip->ip_ttl);
/*
* for the firewall guys, print id, offset.
@ -667,11 +667,11 @@ ip_print(netdissect_options *ndo,
if (ipds->off & 0x1fff) {
(void)printf("%s > %s:", ipaddr_string(&ipds->ip->ip_src),
ipaddr_string(&ipds->ip->ip_dst));
if ((proto = getprotobynumber(ipds->ip->ip_p)) != NULL)
if (!ndo->ndo_nflag && (proto = getprotobynumber(ipds->ip->ip_p)) != NULL)
(void)printf(" %s", proto->p_name);
else
(void)printf(" ip-proto-%d", ipds->ip->ip_p);
}
}
}
}

5
contrib/tcpdump/print-ip6opts.c
View File

@ -141,6 +141,8 @@ ip6_opt_print(const u_char *bp, int len)
int i;
int optlen = 0;
if (len == 0)
return;
for (i = 0; i < len; i += optlen) {
if (bp[i] == IP6OPT_PAD1)
optlen = 1;
@ -271,10 +273,11 @@ ip6_opt_print(const u_char *bp, int len)
printf("(type %d: trunc)", bp[i]);
goto trunc;
}
printf("(opt_type 0x%02x: len=%d) ", bp[i], bp[i + 1]);
printf("(opt_type 0x%02x: len=%d)", bp[i], bp[i + 1]);
break;
}
}
printf(" ");
#if 0
end:

87
contrib/tcpdump/print-ldp.c
View File

@ -180,7 +180,7 @@ static const struct tok ldp_tlv_values[] = {
#define LDP_FEC_WILDCARD 0x01
#define LDP_FEC_PREFIX 0x02
#define LDP_FEC_HOSTADDRESS 0x03
/* From draft-martini-l2circuit-trans-mpls-13.txt */
/* From RFC 4906; should probably be updated to RFC 4447 (e.g., VC -> PW) */
#define LDP_FEC_MARTINI_VC 0x80
static const struct tok ldp_fec_values[] = {
@ -238,6 +238,9 @@ int ldp_tlv_print(register const u_char *);
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
#define TLV_TCHECK(minlen) \
TCHECK2(*tptr, minlen); if (tlv_tlen < minlen) goto badtlv;
int
ldp_tlv_print(register const u_char *tptr) {
@ -273,6 +276,7 @@ ldp_tlv_print(register const u_char *tptr) {
switch(tlv_type) {
case LDP_TLV_COMMON_HELLO:
TLV_TCHECK(4);
printf("\n\t Hold Time: %us, Flags: [%s Hello%s]",
EXTRACT_16BITS(tptr),
(EXTRACT_16BITS(tptr+2)&0x8000) ? "Targeted" : "Link",
@ -280,18 +284,22 @@ ldp_tlv_print(register const u_char *tptr) {
break;
case LDP_TLV_IPV4_TRANSPORT_ADDR:
TLV_TCHECK(4);
printf("\n\t IPv4 Transport Address: %s", ipaddr_string(tptr));
break;
#ifdef INET6
case LDP_TLV_IPV6_TRANSPORT_ADDR:
TLV_TCHECK(16);
printf("\n\t IPv6 Transport Address: %s", ip6addr_string(tptr));
break;
#endif
case LDP_TLV_CONFIG_SEQ_NUMBER:
TLV_TCHECK(4);
printf("\n\t Sequence Number: %u", EXTRACT_32BITS(tptr));
break;
case LDP_TLV_ADDRESS_LIST:
TLV_TCHECK(LDP_TLV_ADDRESS_LIST_AFNUM_LEN);
af = EXTRACT_16BITS(tptr);
tptr+=LDP_TLV_ADDRESS_LIST_AFNUM_LEN;
tlv_tlen -= LDP_TLV_ADDRESS_LIST_AFNUM_LEN;
@ -300,6 +308,7 @@ ldp_tlv_print(register const u_char *tptr) {
switch (af) {
case AFNUM_INET:
while(tlv_tlen >= sizeof(struct in_addr)) {
TCHECK2(*tptr, sizeof(struct in_addr));
printf(" %s",ipaddr_string(tptr));
tlv_tlen-=sizeof(struct in_addr);
tptr+=sizeof(struct in_addr);
@ -308,6 +317,7 @@ ldp_tlv_print(register const u_char *tptr) {
#ifdef INET6
case AFNUM_INET6:
while(tlv_tlen >= sizeof(struct in6_addr)) {
TCHECK2(*tptr, sizeof(struct in6_addr));
printf(" %s",ip6addr_string(tptr));
tlv_tlen-=sizeof(struct in6_addr);
tptr+=sizeof(struct in6_addr);
@ -321,6 +331,7 @@ ldp_tlv_print(register const u_char *tptr) {
break;
case LDP_TLV_COMMON_SESSION:
TLV_TCHECK(8);
printf("\n\t Version: %u, Keepalive: %us, Flags: [Downstream %s, Loop Detection %s]",
EXTRACT_16BITS(tptr), EXTRACT_16BITS(tptr+2),
(EXTRACT_16BITS(tptr+6)&0x8000) ? "On Demand" : "Unsolicited",
@ -329,50 +340,86 @@ ldp_tlv_print(register const u_char *tptr) {
break;
case LDP_TLV_FEC:
TLV_TCHECK(1);
fec_type = *tptr;
printf("\n\t %s FEC (0x%02x)",
tok2str(ldp_fec_values, "Unknown", fec_type),
fec_type);
tptr+=1;
tlv_tlen-=1;
switch(fec_type) {
case LDP_FEC_WILDCARD:
break;
case LDP_FEC_PREFIX:
TLV_TCHECK(2);
af = EXTRACT_16BITS(tptr);
tptr+=2;
tptr+=LDP_TLV_ADDRESS_LIST_AFNUM_LEN;
tlv_tlen-=LDP_TLV_ADDRESS_LIST_AFNUM_LEN;
if (af == AFNUM_INET) {
i=decode_prefix4(tptr,buf,sizeof(buf));
printf(": IPv4 prefix %s",buf);
i=decode_prefix4(tptr,tlv_tlen,buf,sizeof(buf));
if (i == -2)
goto trunc;
if (i == -3)
printf(": IPv4 prefix (goes past end of TLV)");
else if (i == -1)
printf(": IPv4 prefix (invalid length)");
else
printf(": IPv4 prefix %s",buf);
}
#ifdef INET6
else if (af == AFNUM_INET6) {
i=decode_prefix6(tptr,buf,sizeof(buf));
printf(": IPv6 prefix %s",buf);
i=decode_prefix6(tptr,tlv_tlen,buf,sizeof(buf));
if (i == -2)
goto trunc;
if (i == -3)
printf(": IPv4 prefix (goes past end of TLV)");
else if (i == -1)
printf(": IPv6 prefix (invalid length)");
else
printf(": IPv6 prefix %s",buf);
}
#endif
else
printf(": Address family %u prefix", af);
break;
case LDP_FEC_HOSTADDRESS:
break;
case LDP_FEC_MARTINI_VC:
if (!TTEST2(*tptr, 11))
goto trunc;
/*
* According to RFC 4908, the VC info Length field can be zero,
* in which case not only are there no interface parameters,
* there's no VC ID.
*/
TLV_TCHECK(7);
vc_info_len = *(tptr+2);
if (vc_info_len == 0) {
printf(": %s, %scontrol word, group-ID %u, VC-info-length: %u",
tok2str(l2vpn_encaps_values, "Unknown", EXTRACT_16BITS(tptr)&0x7fff),
EXTRACT_16BITS(tptr)&0x8000 ? "" : "no ",
EXTRACT_32BITS(tptr+3),
vc_info_len);
break;
}
/* Make sure we have the VC ID as well */
TLV_TCHECK(11);
printf(": %s, %scontrol word, group-ID %u, VC-ID %u, VC-info-length: %u",
tok2str(l2vpn_encaps_values, "Unknown", EXTRACT_16BITS(tptr)&0x7fff),
EXTRACT_16BITS(tptr)&0x8000 ? "" : "no ",
EXTRACT_32BITS(tptr+3),
EXTRACT_32BITS(tptr+7),
vc_info_len);
if (vc_info_len < 4)
goto trunc; /* minimum 4, for the VC ID */
vc_info_len -= 4; /* subtract out the VC ID, giving the length of the interface parameters */
if (vc_info_len == 0) /* infinite loop protection */
break;
/* Skip past the fixed information and the VC ID */
tptr+=11;
if (!TTEST2(*tptr, vc_info_len))
goto trunc;
tlv_tlen-=11;
TLV_TCHECK(vc_info_len);
while (vc_info_len > 2) {
vc_info_tlv_type = *tptr;
@ -421,10 +468,12 @@ ldp_tlv_print(register const u_char *tptr) {
break;
case LDP_TLV_GENERIC_LABEL:
TLV_TCHECK(4);
printf("\n\t Label: %u", EXTRACT_32BITS(tptr) & 0xfffff);
break;
case LDP_TLV_STATUS:
TLV_TCHECK(8);
ui = EXTRACT_32BITS(tptr);
tptr+=4;
printf("\n\t Status: 0x%02x, Flags: [%s and %s forward]",
@ -438,6 +487,7 @@ ldp_tlv_print(register const u_char *tptr) {
break;
case LDP_TLV_FT_SESSION:
TLV_TCHECK(8);
ft_flags = EXTRACT_16BITS(tptr);
printf("\n\t Flags: [%sReconnect, %sSave State, %sAll-Label Protection, %s Checkpoint, %sRe-Learn State]",
ft_flags&0x8000 ? "" : "No ",
@ -456,6 +506,7 @@ ldp_tlv_print(register const u_char *tptr) {
break;
case LDP_TLV_MTU:
TLV_TCHECK(2);
printf("\n\t MTU: %u", EXTRACT_16BITS(tptr));
break;
@ -486,6 +537,10 @@ ldp_tlv_print(register const u_char *tptr) {
trunc:
printf("\n\t\t packet exceeded snapshot");
return 0;
badtlv:
printf("\n\t\t TLV contents go past end of TLV");
return(tlv_len+4); /* Type & Length fields not included */
}
void
@ -546,8 +601,7 @@ ldp_msg_print(register const u_char *pptr) {
while(tlen>0) {
/* did we capture enough for fully decoding the msg header ? */
if (!TTEST2(*tptr, sizeof(struct ldp_msg_header)))
goto trunc;
TCHECK2(*tptr, sizeof(struct ldp_msg_header));
ldp_msg_header = (const struct ldp_msg_header *)tptr;
msg_len=EXTRACT_16BITS(ldp_msg_header->length);
@ -570,8 +624,7 @@ ldp_msg_print(register const u_char *pptr) {
msg_tlen=msg_len-sizeof(struct ldp_msg_header)+4; /* Type & Length fields not included */
/* did we capture enough for fully decoding the message ? */
if (!TTEST2(*tptr, msg_len))
goto trunc;
TCHECK2(*tptr, msg_len);
hexdump=FALSE;
switch(msg_type) {

4
contrib/tcpdump/print-lldp.c
View File

@ -385,9 +385,9 @@ static const struct tok lldp_tia_application_type_values[] = {
{ 0, NULL}
};
#define LLDP_TIA_NETWORK_POLICY_U_BIT (1 << 5)
#define LLDP_TIA_NETWORK_POLICY_X_BIT (1 << 5)
#define LLDP_TIA_NETWORK_POLICY_T_BIT (1 << 6)
#define LLDP_TIA_NETWORK_POLICY_X_BIT (1 << 7)
#define LLDP_TIA_NETWORK_POLICY_U_BIT (1 << 7)
static const struct tok lldp_tia_network_policy_bits_values[] = {
{ LLDP_TIA_NETWORK_POLICY_U_BIT, "Unknown"},

3
contrib/tcpdump/print-lwapp.c
View File

@ -174,7 +174,7 @@ lwapp_control_print(const u_char *pptr, u_int len, int has_ap_ident) {
const struct lwapp_transport_header *lwapp_trans_header;
const struct lwapp_control_header *lwapp_control_header;
const u_char *tptr;
int hexdump,tlen;
int tlen;
int msg_tlen;
tptr=pptr;
@ -247,7 +247,6 @@ lwapp_control_print(const u_char *pptr, u_int len, int has_ap_ident) {
/* did we capture enough for fully decoding the message */
if (!TTEST2(*tptr, msg_tlen))
goto trunc;
hexdump=FALSE;
/* XXX - Decode sub messages for each message */
switch(lwapp_control_header->msg_type) {

203
contrib/tcpdump/print-ospf6.c
View File

@ -160,17 +160,25 @@ ospf6_print_lshdr(register const struct lsa6_hdr *lshp)
}
static int
ospf6_print_lsaprefix(register const struct lsa6_prefix *lsapp)
ospf6_print_lsaprefix(const u_int8_t *tptr, u_int lsa_length)
{
const struct lsa6_prefix *lsapp = (struct lsa6_prefix *)tptr;
u_int wordlen;
struct in6_addr prefix;
TCHECK(*lsapp);
if (lsa_length < sizeof (*lsapp) - 4)
goto trunc;
lsa_length -= sizeof (*lsapp) - 4;
TCHECK2(*lsapp, sizeof (*lsapp) - 4);
wordlen = (lsapp->lsa_p_len + 31) / 32;
if (wordlen * 4 > sizeof(struct in6_addr)) {
printf(" bogus prefixlen /%d", lsapp->lsa_p_len);
goto trunc;
}
if (lsa_length < wordlen * 4)
goto trunc;
lsa_length -= wordlen * 4;
TCHECK2(lsapp->lsa_p_prefix, wordlen * 4);
memset(&prefix, 0, sizeof(prefix));
memcpy(&prefix, lsapp->lsa_p_prefix, wordlen * 4);
printf("\n\t\t%s/%d", ip6addr_string(&prefix),
@ -194,7 +202,6 @@ ospf6_print_lsaprefix(register const struct lsa6_prefix *lsapp)
static int
ospf6_print_lsa(register const struct lsa6 *lsap)
{
register const u_char *ls_end, *ls_opt;
register const struct rlalink6 *rlp;
#if 0
register const struct tos_metric *tosp;
@ -210,34 +217,45 @@ ospf6_print_lsa(register const struct lsa6 *lsap)
register const u_int32_t *lp;
#endif
register u_int prefixes;
register int bytelen, length, lsa_length;
register int bytelen;
register u_int length, lsa_length;
u_int32_t flags32;
u_int8_t *tptr;
const u_int8_t *tptr;
if (ospf6_print_lshdr(&lsap->ls_hdr))
return (1);
TCHECK(lsap->ls_hdr.ls_length);
length = EXTRACT_16BITS(&lsap->ls_hdr.ls_length);
/*
* The LSA length includes the length of the header;
* it must have a value that's at least that length.
* If it does, find the length of what follows the
* header.
*/
if (length < sizeof(struct lsa6_hdr))
return (1);
lsa_length = length - sizeof(struct lsa6_hdr);
ls_end = (u_char *)lsap + length;
tptr = (u_int8_t *)lsap+sizeof(struct lsa6_hdr);
switch (EXTRACT_16BITS(&lsap->ls_hdr.ls_type)) {
case LS_TYPE_ROUTER | LS_SCOPE_AREA:
if (lsa_length < sizeof (lsap->lsa_un.un_rla.rla_options))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_rla.rla_options);
TCHECK(lsap->lsa_un.un_rla.rla_options);
printf("\n\t Options [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&lsap->lsa_un.un_rla.rla_options)));
TCHECK(lsap->lsa_un.un_rla.rla_flags);
printf(", RLA-Flags [%s]",
bittok2str(ospf6_rla_flag_values, "none",
lsap->lsa_un.un_rla.rla_flags));
TCHECK(lsap->lsa_un.un_rla.rla_link);
rlp = lsap->lsa_un.un_rla.rla_link;
while (rlp + 1 <= (struct rlalink6 *)ls_end) {
while (lsa_length != 0) {
if (lsa_length < sizeof (*rlp))
return (1);
lsa_length -= sizeof (*rlp);
TCHECK(*rlp);
switch (rlp->link_type) {
@ -276,13 +294,20 @@ ospf6_print_lsa(register const struct lsa6 *lsap)
break;
case LS_TYPE_NETWORK | LS_SCOPE_AREA:
if (lsa_length < sizeof (lsap->lsa_un.un_nla.nla_options))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_nla.nla_options);
TCHECK(lsap->lsa_un.un_nla.nla_options);
printf("\n\t Options [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&lsap->lsa_un.un_nla.nla_options)));
printf("\n\t Connected Routers:");
ap = lsap->lsa_un.un_nla.nla_router;
while ((u_char *)ap < ls_end) {
while (lsa_length != 0) {
if (lsa_length < sizeof (*ap))
return (1);
lsa_length -= sizeof (*ap);
TCHECK(*ap);
printf("\n\t\t%s", ipaddr_string(ap));
++ap;
@ -290,18 +315,27 @@ ospf6_print_lsa(register const struct lsa6 *lsap)
break;
case LS_TYPE_INTER_AP | LS_SCOPE_AREA:
if (lsa_length < sizeof (lsap->lsa_un.un_inter_ap.inter_ap_metric))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_inter_ap.inter_ap_metric);
TCHECK(lsap->lsa_un.un_inter_ap.inter_ap_metric);
printf(", metric %u",
EXTRACT_32BITS(&lsap->lsa_un.un_inter_ap.inter_ap_metric) & SLA_MASK_METRIC);
lsapp = lsap->lsa_un.un_inter_ap.inter_ap_prefix;
while (lsapp + sizeof(lsapp) <= (struct lsa6_prefix *)ls_end) {
bytelen = ospf6_print_lsaprefix(lsapp);
if (bytelen)
tptr = (u_int8_t *)lsap->lsa_un.un_inter_ap.inter_ap_prefix;
while (lsa_length != 0) {
bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
if (bytelen < 0)
goto trunc;
lsapp = (struct lsa6_prefix *)(((u_char *)lsapp) + bytelen);
lsa_length -= bytelen;
tptr += bytelen;
}
break;
case LS_SCOPE_AS | LS_TYPE_ASE:
case LS_TYPE_ASE | LS_SCOPE_AS:
if (lsa_length < sizeof (lsap->lsa_un.un_asla.asla_metric))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_asla.asla_metric);
TCHECK(lsap->lsa_un.un_asla.asla_metric);
flags32 = EXTRACT_32BITS(&lsap->lsa_un.un_asla.asla_metric);
printf("\n\t Flags [%s]",
@ -309,48 +343,63 @@ ospf6_print_lsa(register const struct lsa6 *lsap)
printf(" metric %u",
EXTRACT_32BITS(&lsap->lsa_un.un_asla.asla_metric) &
ASLA_MASK_METRIC);
lsapp = lsap->lsa_un.un_asla.asla_prefix;
bytelen = ospf6_print_lsaprefix(lsapp);
tptr = (u_int8_t *)lsap->lsa_un.un_asla.asla_prefix;
lsapp = (struct lsa6_prefix *)tptr;
bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
if (bytelen < 0)
goto trunc;
if ((ls_opt = (u_char *)(((u_char *)lsapp) + bytelen)) < ls_end) {
lsa_length -= bytelen;
tptr += bytelen;
if ((flags32 & ASLA_FLAG_FWDADDR) != 0) {
struct in6_addr *fwdaddr6;
if ((flags32 & ASLA_FLAG_FWDADDR) != 0) {
fwdaddr6 = (struct in6_addr *)ls_opt;
TCHECK(*fwdaddr6);
printf(" forward %s",
ip6addr_string(fwdaddr6));
fwdaddr6 = (struct in6_addr *)tptr;
if (lsa_length < sizeof (*fwdaddr6))
return (1);
lsa_length -= sizeof (*fwdaddr6);
TCHECK(*fwdaddr6);
printf(" forward %s",
ip6addr_string(fwdaddr6));
tptr += sizeof(*fwdaddr6);
}
ls_opt += sizeof(struct in6_addr);
}
if ((flags32 & ASLA_FLAG_ROUTETAG) != 0) {
if (lsa_length < sizeof (u_int32_t))
return (1);
lsa_length -= sizeof (u_int32_t);
TCHECK(*(u_int32_t *)tptr);
printf(" tag %s",
ipaddr_string((u_int32_t *)tptr));
tptr += sizeof(u_int32_t);
}
if ((flags32 & ASLA_FLAG_ROUTETAG) != 0) {
TCHECK(*(u_int32_t *)ls_opt);
printf(" tag %s",
ipaddr_string((u_int32_t *)ls_opt));
ls_opt += sizeof(u_int32_t);
}
if (lsapp->lsa_p_metric) {
TCHECK(*(u_int32_t *)ls_opt);
printf(" RefLSID: %s",
ipaddr_string((u_int32_t *)ls_opt));
ls_opt += sizeof(u_int32_t);
}
if (lsapp->lsa_p_metric) {
if (lsa_length < sizeof (u_int32_t))
return (1);
lsa_length -= sizeof (u_int32_t);
TCHECK(*(u_int32_t *)tptr);
printf(" RefLSID: %s",
ipaddr_string((u_int32_t *)tptr));
tptr += sizeof(u_int32_t);
}
break;
case LS_TYPE_LINK:
/* Link LSA */
llsap = &lsap->lsa_un.un_llsa;
TCHECK(llsap->llsa_options);
if (lsa_length < sizeof (llsap->llsa_priandopt))
return (1);
lsa_length -= sizeof (llsap->llsa_priandopt);
TCHECK(llsap->llsa_priandopt);
printf("\n\t Options [%s]",
bittok2str(ospf6_option_values, "none",
EXTRACT_32BITS(&llsap->llsa_options)));
TCHECK(llsap->llsa_nprefix);
if (lsa_length < sizeof (llsap->llsa_lladdr) + sizeof (llsap->llsa_nprefix))
return (1);
lsa_length -= sizeof (llsap->llsa_lladdr) + sizeof (llsap->llsa_nprefix);
prefixes = EXTRACT_32BITS(&llsap->llsa_nprefix);
printf("\n\t Priority %d, Link-local address %s, Prefixes %d:",
llsap->llsa_priority,
@ -358,57 +407,63 @@ ospf6_print_lsa(register const struct lsa6 *lsap)
prefixes);
tptr = (u_int8_t *)llsap->llsa_prefix;
while (prefixes > 0) {
lsapp = (struct lsa6_prefix *)tptr;
if ((bytelen = ospf6_print_lsaprefix(lsapp)) == -1) {
goto trunc;
}
prefixes--;
tptr += bytelen;
}
while (prefixes > 0) {
bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
if (bytelen < 0)
goto trunc;
prefixes--;
lsa_length -= bytelen;
tptr += bytelen;
}
break;
case LS_TYPE_INTRA_AP | LS_SCOPE_AREA:
/* Intra-Area-Prefix LSA */
if (lsa_length < sizeof (lsap->lsa_un.un_intra_ap.intra_ap_rtid))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_intra_ap.intra_ap_rtid);
TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_rtid);
ospf6_print_ls_type(
EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_lstype),
&lsap->lsa_un.un_intra_ap.intra_ap_lsid);
if (lsa_length < sizeof (lsap->lsa_un.un_intra_ap.intra_ap_nprefix))
return (1);
lsa_length -= sizeof (lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
TCHECK(lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
prefixes = EXTRACT_16BITS(&lsap->lsa_un.un_intra_ap.intra_ap_nprefix);
printf("\n\t Prefixes %d:", prefixes);
tptr = (u_int8_t *)lsap->lsa_un.un_intra_ap.intra_ap_prefix;
while (prefixes > 0) {
lsapp = (struct lsa6_prefix *)tptr;
if ((bytelen = ospf6_print_lsaprefix(lsapp)) == -1) {
goto trunc;
}
prefixes--;
tptr += bytelen;
}
tptr = (u_int8_t *)lsap->lsa_un.un_intra_ap.intra_ap_prefix;
while (prefixes > 0) {
bytelen = ospf6_print_lsaprefix(tptr, lsa_length);
if (bytelen < 0)
goto trunc;
prefixes--;
lsa_length -= bytelen;
tptr += bytelen;
}
break;
case LS_TYPE_GRACE | LS_SCOPE_LINKLOCAL:
if (ospf_print_grace_lsa(tptr, lsa_length) == -1) {
return 1;
}
break;
break;
case LS_TYPE_INTRA_ATE | LS_SCOPE_LINKLOCAL:
if (ospf_print_te_lsa(tptr, lsa_length) == -1) {
return 1;
}
break;
if (ospf_print_te_lsa(tptr, lsa_length) == -1) {
return 1;
}
break;
default:
if(!print_unknown_data(tptr,
"\n\t ",
lsa_length)) {
return (1);
}
if(!print_unknown_data(tptr,
"\n\t ",
lsa_length)) {
return (1);
}
break;
}
return (0);

4
contrib/tcpdump/print-pim.c
View File

@ -669,7 +669,7 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum)
case PIMV2_HELLO_OPTION_LANPRUNEDELAY:
if (olen != 4) {
(void)printf("ERROR: Option Lenght != 4 Bytes (%u)", olen);
(void)printf("ERROR: Option Length != 4 Bytes (%u)", olen);
} else {
char t_bit;
u_int16_t lan_delay, override_interval;
@ -692,7 +692,7 @@ pimv2_print(register const u_char *bp, register u_int len, u_int cksum)
printf("%u", EXTRACT_32BITS(bp));
break;
default:
printf("ERROR: Option Lenght != 4 Bytes (%u)", olen);
printf("ERROR: Option Length != 4 Bytes (%u)", olen);
break;
}
break;

2
contrib/tcpdump/print-pppoe.c
View File

@ -70,6 +70,7 @@ enum {
PPPOE_AC_COOKIE = 0x0104,
PPPOE_VENDOR = 0x0105,
PPPOE_RELAY_SID = 0x0110,
PPPOE_MAX_PAYLOAD = 0x0120,
PPPOE_SERVICE_NAME_ERROR = 0x0201,
PPPOE_AC_SYSTEM_ERROR = 0x0202,
PPPOE_GENERIC_ERROR = 0x0203
@ -83,6 +84,7 @@ static struct tok pppoetag2str[] = {
{ PPPOE_AC_COOKIE, "AC-Cookie" },
{ PPPOE_VENDOR, "Vendor-Specific" },
{ PPPOE_RELAY_SID, "Relay-Session-ID" },
{ PPPOE_MAX_PAYLOAD, "PPP-Max-Payload" },
{ PPPOE_SERVICE_NAME_ERROR, "Service-Name-Error" },
{ PPPOE_AC_SYSTEM_ERROR, "AC-System-Error" },
{ PPPOE_GENERIC_ERROR, "Generic-Error" },

4
contrib/tcpdump/print-rrcp.c
View File

@ -102,11 +102,11 @@ rrcp_print(netdissect_options *ndo,
ND_PRINT((ndo, "%s > %s, %s %s",
etheraddr_string(ESRC(ep)),
etheraddr_string(EDST(ep)),
tok2strbuf(proto_values,"RRCP-0x%02d",rrcp_proto,proto_str,sizeof(proto_str)),
tok2strbuf(proto_values,"RRCP-0x%02x",rrcp_proto,proto_str,sizeof(proto_str)),
((*(rrcp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY) ? "reply" : "query"));
if (rrcp_proto==1){
ND_PRINT((ndo, ": %s",
tok2strbuf(opcode_values,"unknown opcode (0x%02d)",rrcp_opcode,opcode_str,sizeof(opcode_str))));
tok2strbuf(opcode_values,"unknown opcode (0x%02x)",rrcp_opcode,opcode_str,sizeof(opcode_str))));
}
if (rrcp_opcode==1 || rrcp_opcode==2){
ND_TCHECK2(*(rrcp + RRCP_REG_ADDR_OFFSET), 6);

392
contrib/tcpdump/print-tipc.c Normal file
View File

@ -0,0 +1,392 @@
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* 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.
*/
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/tcpdump/print-arp.c,v 1.66 2006-03-03 22:53:21 hannes Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include <stdio.h>
#include <string.h>
#include "netdissect.h"
#include "addrtoname.h"
#include "ether.h"
#include "ethertype.h"
#include "extract.h" /* must come after interface.h */
/*
* Transparent Inter-Process Communication (TIPC) protocol.
*
* http://tipc.sourceforge.net/doc/draft-spec-tipc-07.html
* http://tipc.sourceforge.net/doc/tipc_message_formats.html
*/
#define TIPC_USER_LOW_IMPORTANCE 0
#define TIPC_USER_MEDIUM_IMPORTANCE 1
#define TIPC_USER_HIGH_IMPORTANCE 2
#define TIPC_USER_CRITICAL_IMPORTANCE 3
#define TIPC_USER_BCAST_PROTOCOL 5
#define TIPC_USER_MSG_BUNDLER 6
#define TIPC_USER_LINK_PROTOCOL 7
#define TIPC_USER_CONN_MANAGER 8
#define TIPC_USER_CHANGEOVER_PROTOCOL 10
#define TIPC_USER_NAME_DISTRIBUTOR 11
#define TIPC_USER_MSG_FRAGMENTER 12
#define TIPC_USER_LINK_CONFIG 13
#define TIPC_CONN_MSG 0
#define TIPC_DIRECT_MSG 1
#define TIPC_NAMED_MSG 2
#define TIPC_MCAST_MSG 3
#define TIPC_ZONE(addr) (((addr) >> 24) & 0xFF)
#define TIPC_CLUSTER(addr) (((addr) >> 12) & 0xFFF)
#define TIPC_NODE(addr) (((addr) >> 0) & 0xFFF)
struct tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
};
#define TIPC_VER(w0) (((w0) >> 29) & 0x07)
#define TIPC_USER(w0) (((w0) >> 25) & 0x0F)
#define TIPC_HSIZE(w0) (((w0) >> 21) & 0x0F)
#define TIPC_MSIZE(w0) (((w0) >> 0) & 0xFFFF)
#define TIPC_MTYPE(w1) (((w1) >> 29) & 0x07)
#define TIPC_BROADCAST_ACK(w1) (((w1) >> 0) & 0xFFFF)
#define TIPC_LINK_ACK(w2) (((w2) >> 16) & 0xFFFF)
#define TIPC_LINK_SEQ(w2) (((w2) >> 0) & 0xFFFF)
static const struct tok tipcuser_values[] = {
{ TIPC_USER_LOW_IMPORTANCE, "Low Importance Data payload" },
{ TIPC_USER_MEDIUM_IMPORTANCE, "Medium Importance Data payload" },
{ TIPC_USER_HIGH_IMPORTANCE, "High Importance Data payload" },
{ TIPC_USER_CRITICAL_IMPORTANCE, "Critical Importance Data payload" },
{ TIPC_USER_BCAST_PROTOCOL, "Broadcast Link Protocol internal" },
{ TIPC_USER_MSG_BUNDLER, "Message Bundler Protocol internal" },
{ TIPC_USER_LINK_PROTOCOL, "Link State Protocol internal" },
{ TIPC_USER_CONN_MANAGER, "Connection Manager internal" },
{ TIPC_USER_CHANGEOVER_PROTOCOL, "Link Changeover Protocol internal" },
{ TIPC_USER_NAME_DISTRIBUTOR, "Name Table Update Protocol internal" },
{ TIPC_USER_MSG_FRAGMENTER, "Message Fragmentation Protocol internal" },
{ TIPC_USER_LINK_CONFIG, "Neighbor Detection Protocol internal" },
{ 0, NULL }
};
static const struct tok tipcmtype_values[] = {
{ TIPC_CONN_MSG, "CONN_MSG" },
{ TIPC_DIRECT_MSG, "MCAST_MSG" },
{ TIPC_NAMED_MSG, "NAMED_MSG" },
{ TIPC_MCAST_MSG, "DIRECT_MSG" },
{ 0, NULL }
};
static const struct tok tipc_linkconf_mtype_values[] = {
{ 0, "Link request" },
{ 1, "Link response" },
{ 0, NULL }
};
struct payload_tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
u_int32_t w2;
u_int32_t prev_node;
u_int32_t orig_port;
u_int32_t dest_port;
u_int32_t orig_node;
u_int32_t dest_node;
u_int32_t name_type;
u_int32_t w9;
u_int32_t wA;
};
struct internal_tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
u_int32_t w2;
u_int32_t prev_node;
u_int32_t w4;
u_int32_t w5;
u_int32_t orig_node;
u_int32_t dest_node;
u_int32_t trans_seq;
u_int32_t w9;
};
#define TIPC_SEQ_GAP(w1) (((w1) >> 16) & 0x1FFF)
#define TIPC_BC_GAP_AFTER(w2) (((w2) >> 16) & 0xFFFF)
#define TIPC_BC_GAP_TO(w2) (((w2) >> 0) & 0xFFFF)
#define TIPC_LAST_SENT_FRAG(w4) (((w4) >> 16) & 0xFFFF)
#define TIPC_NEXT_SENT_FRAG(w4) (((w4) >> 0) & 0xFFFF)
#define TIPC_SESS_NO(w5) (((w5) >> 16) & 0xFFFF)
#define TIPC_MSG_CNT(w9) (((w9) >> 16) & 0xFFFF)
#define TIPC_LINK_TOL(w9) (((w9) >> 0) & 0xFFFF)
struct link_conf_tipc_pkthdr {
u_int32_t w0;
u_int32_t w1;
u_int32_t dest_domain;
u_int32_t prev_node;
u_int32_t ntwrk_id;
u_int32_t w5;
u_int8_t media_address[16];
};
#define TIPC_NODE_SIG(w1) (((w1) >> 0) & 0xFFFF)
#define TIPC_MEDIA_ID(w5) (((w5) >> 0) & 0xFF)
static void
print_payload(netdissect_options *ndo, const struct payload_tipc_pkthdr *ap)
{
u_int32_t w0, w1, w2;
u_int user;
u_int hsize;
u_int msize;
u_int mtype;
u_int broadcast_ack;
u_int link_ack;
u_int link_seq;
u_int prev_node;
u_int orig_port;
u_int dest_port;
u_int orig_node;
u_int dest_node;
ND_TCHECK(ap->dest_port);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
hsize = TIPC_HSIZE(w0);
msize = TIPC_MSIZE(w0);
w1 = EXTRACT_32BITS(&ap->w1);
mtype = TIPC_MTYPE(w1);
prev_node = EXTRACT_32BITS(&ap->prev_node);
orig_port = EXTRACT_32BITS(&ap->orig_port);
dest_port = EXTRACT_32BITS(&ap->dest_port);
if (hsize <= 6) {
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u:%u > %u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
TIPC_VER(w0),
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
orig_port, dest_port,
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipcmtype_values, "Unknown", mtype)));
} else {
ND_TCHECK(ap->dest_node);
orig_node = EXTRACT_32BITS(&ap->orig_node);
dest_node = EXTRACT_32BITS(&ap->dest_node);
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u:%u > %u.%u.%u:%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
TIPC_VER(w0),
TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
orig_port,
TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
dest_port,
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipcmtype_values, "Unknown", mtype)));
if (ndo->ndo_vflag) {
broadcast_ack = TIPC_BROADCAST_ACK(w1);
w2 = EXTRACT_32BITS(&ap->w2);
link_ack = TIPC_LINK_ACK(w2);
link_seq = TIPC_LINK_SEQ(w2);
ND_PRINT((ndo, "\n\tPrevious Node %u.%u.%u, Broadcast Ack %u, Link Ack %u, Link Sequence %u",
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
broadcast_ack, link_ack, link_seq));
}
}
return;
trunc:
ND_PRINT((ndo, "[|TIPC]"));
}
static void
print_internal(netdissect_options *ndo, const struct internal_tipc_pkthdr *ap)
{
u_int32_t w0, w1, w2, w4, w5, w9;
u_int user;
u_int hsize;
u_int msize;
u_int mtype;
u_int seq_gap;
u_int broadcast_ack;
u_int bc_gap_after;
u_int bc_gap_to;
u_int prev_node;
u_int last_sent_frag;
u_int next_sent_frag;
u_int sess_no;
u_int orig_node;
u_int dest_node;
u_int trans_seq;
u_int msg_cnt;
u_int link_tol;
ND_TCHECK(ap->dest_node);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
hsize = TIPC_HSIZE(w0);
msize = TIPC_MSIZE(w0);
w1 = EXTRACT_32BITS(&ap->w1);
mtype = TIPC_MTYPE(w1);
orig_node = EXTRACT_32BITS(&ap->orig_node);
dest_node = EXTRACT_32BITS(&ap->dest_node);
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s (0x%08x)",
TIPC_VER(w0),
TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipcmtype_values, "Unknown", mtype), w1));
if (ndo->ndo_vflag) {
ND_TCHECK(*ap);
seq_gap = TIPC_SEQ_GAP(w1);
broadcast_ack = TIPC_BROADCAST_ACK(w1);
w2 = EXTRACT_32BITS(&ap->w2);
bc_gap_after = TIPC_BC_GAP_AFTER(w2);
bc_gap_to = TIPC_BC_GAP_TO(w2);
prev_node = EXTRACT_32BITS(&ap->prev_node);
w4 = EXTRACT_32BITS(&ap->w4);
last_sent_frag = TIPC_LAST_SENT_FRAG(w4);
next_sent_frag = TIPC_NEXT_SENT_FRAG(w4);
w5 = EXTRACT_32BITS(&ap->w5);
sess_no = TIPC_SESS_NO(w5);
trans_seq = EXTRACT_32BITS(&ap->trans_seq);
w9 = EXTRACT_32BITS(&ap->w9);
msg_cnt = TIPC_MSG_CNT(w9);
link_tol = TIPC_LINK_TOL(w9);
ND_PRINT((ndo, "\n\tPrevious Node %u.%u.%u, Session No. %u, Broadcast Ack %u, Sequence Gap %u, Broadcast Gap After %u, Broadcast Gap To %u, Last Sent Packet No. %u, Next sent Packet No. %u, Transport Sequence %u, msg_count %u, Link Tolerance %u",
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
sess_no, broadcast_ack, seq_gap, bc_gap_after, bc_gap_to,
last_sent_frag, next_sent_frag, trans_seq, msg_cnt,
link_tol));
}
return;
trunc:
ND_PRINT((ndo, "[|TIPC]"));
}
static void
print_link_conf(netdissect_options *ndo, const struct link_conf_tipc_pkthdr *ap)
{
u_int32_t w0, w1, w5;
u_int user;
u_int hsize;
u_int msize;
u_int mtype;
u_int node_sig;
u_int prev_node;
u_int dest_domain;
u_int ntwrk_id;
u_int media_id;
ND_TCHECK(ap->prev_node);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
hsize = TIPC_HSIZE(w0);
msize = TIPC_MSIZE(w0);
w1 = EXTRACT_32BITS(&ap->w1);
mtype = TIPC_MTYPE(w1);
prev_node = EXTRACT_32BITS(&ap->prev_node);
dest_domain = EXTRACT_32BITS(&ap->dest_domain);
prev_node = EXTRACT_32BITS(&ap->prev_node);
ND_PRINT((ndo, "TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
TIPC_VER(w0),
TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
TIPC_ZONE(dest_domain), TIPC_CLUSTER(dest_domain), TIPC_NODE(dest_domain),
hsize*4, msize,
tok2str(tipcuser_values, "unknown", user),
tok2str(tipc_linkconf_mtype_values, "Unknown", mtype)));
if (ndo->ndo_vflag) {
ND_TCHECK(ap->w5);
node_sig = TIPC_NODE_SIG(w1);
ntwrk_id = EXTRACT_32BITS(&ap->ntwrk_id);
w5 = EXTRACT_32BITS(&ap->w5);
media_id = TIPC_MEDIA_ID(w5);
ND_PRINT((ndo, "\n\tNodeSignature %u, network_id %u, media_id %u",
node_sig, ntwrk_id, media_id));
}
return;
trunc:
ND_PRINT((ndo, "[|TIPC]"));
}
void
tipc_print(netdissect_options *ndo, const u_char *bp, u_int length _U_,
u_int caplen _U_)
{
const struct tipc_pkthdr *ap;
u_int32_t w0;
u_int user;
ap = (struct tipc_pkthdr *)bp;
ND_TCHECK(ap->w0);
w0 = EXTRACT_32BITS(&ap->w0);
user = TIPC_USER(w0);
switch (user)
{
case TIPC_USER_LOW_IMPORTANCE:
case TIPC_USER_MEDIUM_IMPORTANCE:
case TIPC_USER_HIGH_IMPORTANCE:
case TIPC_USER_CRITICAL_IMPORTANCE:
case TIPC_USER_NAME_DISTRIBUTOR:
case TIPC_USER_CONN_MANAGER:
print_payload(ndo, (struct payload_tipc_pkthdr *)bp);
break;
case TIPC_USER_LINK_CONFIG:
print_link_conf(ndo, (struct link_conf_tipc_pkthdr *)bp);
break;
case TIPC_USER_BCAST_PROTOCOL:
case TIPC_USER_MSG_BUNDLER:
case TIPC_USER_LINK_PROTOCOL:
case TIPC_USER_CHANGEOVER_PROTOCOL:
case TIPC_USER_MSG_FRAGMENTER:
print_internal(ndo, (struct internal_tipc_pkthdr *)bp);
break;
}
return;
trunc:
ND_PRINT((ndo, "[|TIPC]"));
}
/*
* Local Variables:
* c-style: bsd
* End:
*/

61
contrib/tcpdump/tcpdump.1.in
View File

@ -200,7 +200,8 @@ Print the AS number in BGP packets in ASDOT notation rather than ASPLAIN
notation.
.TP
.B \-B
Set the operating system capture buffer size to \fIbuffer_size\fP.
Set the operating system capture buffer size to \fIbuffer_size\fP, in
units of KiB (1024 bytes).
.TP
.B \-c
Exit after receiving \fIcount\fP packets.
@ -392,9 +393,37 @@ Make stdout line buffered.
Useful if you want to see the data
while capturing it.
E.g.,
.br
``tcpdump\ \ \-l\ \ |\ \ tee dat'' or
``tcpdump\ \ \-l \ \ > dat\ \ &\ \ tail\ \ \-f\ \ dat''.
.IP
.RS
.RS
.nf
\fBtcpdump \-l | tee dat\fP
.fi
.RE
.RE
.IP
or
.IP
.RS
.RS
.nf
\fBtcpdump \-l > dat & tail \-f dat\fP
.fi
.RE
.RE
.IP
Note that on Windows,``line buffered'' means ``unbuffered'', so that
WinDump will write each character individually if
.B \-l
is specified.
.IP
.B \-U
is similar to
.B \-l
in its behavior, but it will cause output to be ``packet-buffered'', so
that the output is written to stdout at the end of each packet rather
than at the end of each line; this is buffered on all platforms,
including Windows.
.TP
.B \-L
List the known data link types for the interface, in the specified mode,
@ -511,11 +540,20 @@ on each dump line.
Print undecoded NFS handles.
.TP
.B \-U
Make output saved via the
If the
.B \-w
option ``packet-buffered''; i.e., as each packet is saved, it will be
written to the output file, rather than being written only when the
output buffer fills.
option is not specified, make the printed packet output
``packet-buffered''; i.e., as the description of the contents of each
packet is printed, it will be written to the standard output, rather
than, when not writing to a terminal, being written only when the output
buffer fills.
.IP
If the
.B \-w
option is specified, make the saved raw packet output
``packet-buffered''; i.e., as each packet is saved, it will be written
to the output file, rather than being written only when the output
buffer fills.
.IP
The
.B \-U
@ -557,6 +595,13 @@ Write the raw packets to \fIfile\fR rather than parsing and printing
them out.
They can later be printed with the \-r option.
Standard output is used if \fIfile\fR is ``-''.
.IP
This output will be buffered if written to a file or pipe, so a program
reading from the file or pipe may not see packets for an arbitrary
amount of time after they are received. Use the
.B \-U
flag to cause packets to be written as soon as they are received.
.IP
See
.BR pcap-savefile (@MAN_FILE_FORMATS@)
for a description of the file format.

14
contrib/tcpdump/tcpdump.c
View File

@ -89,6 +89,12 @@ extern int SIZE_BUF;
#define NAME_MAX 255
#endif
#ifdef SIGINFO
#define SIGNAL_REQ_INFO SIGINFO
#elif SIGUSR1
#define SIGNAL_REQ_INFO SIGUSR1
#endif
netdissect_options Gndo;
netdissect_options *gndo = &Gndo;
@ -121,7 +127,7 @@ static void ndo_error(netdissect_options *ndo, const char *fmt, ...)
__attribute__ ((noreturn, format (printf, 2, 3)));
static void ndo_warning(netdissect_options *ndo, const char *fmt, ...);
#ifdef SIGINFO
#ifdef SIGNAL_REQ_INFO
RETSIGTYPE requestinfo(int);
#endif
@ -1351,13 +1357,13 @@ main(int argc, char **argv)
pcap_userdata = (u_char *)&printinfo;
}
#ifdef SIGINFO
#ifdef SIGNAL_REQ_INFO
/*
* We can't get statistics when reading from a file rather
* than capturing from a device.
*/
if (RFileName == NULL)
(void)setsignal(SIGINFO, requestinfo);
(void)setsignal(SIGNAL_REQ_INFO, requestinfo);
#endif
if (vflag > 0 && WFileName) {
@ -1846,7 +1852,7 @@ default_print(const u_char *bp, u_int length)
ndo_default_print(gndo, bp, length);
}
#ifdef SIGINFO
#ifdef SIGNAL_REQ_INFO
RETSIGTYPE requestinfo(int signo _U_)
{
if (infodelay)

3
usr.sbin/tcpdump/tcpdump/Makefile
View File

@ -33,7 +33,8 @@ SRCS = addrtoname.c af.c checksum.c cpack.c gmpls.c oui.c gmt2local.c \
print-sip.c print-sl.c print-sll.c \
print-slow.c print-snmp.c print-stp.c print-sunatm.c print-sunrpc.c \
print-symantec.c print-syslog.c print-tcp.c print-telnet.c print-tftp.c \
print-timed.c print-token.c print-udld.c print-udp.c print-vjc.c \
print-timed.c print-tipc.c \
print-token.c print-udld.c print-udp.c print-vjc.c \
print-vqp.c print-vrrp.c print-vtp.c \
print-wb.c print-zephyr.c setsignal.c tcpdump.c util.c \
print-smb.c signature.c smbutil.c \

77
usr.sbin/tcpdump/tcpdump/tcpdump.1
View File

@ -201,7 +201,8 @@ Print the AS number in BGP packets in ASDOT notation rather than ASPLAIN
notation.
.TP
.B \-B
Set the operating system capture buffer size to \fIbuffer_size\fP.
Set the operating system capture buffer size to \fIbuffer_size\fP, in
units of KiB (1024 bytes).
.TP
.B \-c
Exit after receiving \fIcount\fP packets.
@ -276,7 +277,7 @@ The default is \fBdes-cbc\fP.
The ability to decrypt packets is only present if \fItcpdump\fP was compiled
with cryptography enabled.
.IP
\fIsecret\fP is the ASCII text for ESP secret key.
\fIsecret\fP is the ASCII text for ESP secret key.
If preceded by 0x, then a hex value will be read.
.IP
The option assumes RFC2406 ESP, not RFC1827 ESP.
@ -288,7 +289,7 @@ you make it visible to others, via
and other occasions.
.IP
In addition to the above syntax, the syntax \fIfile name\fP may be used
to have tcpdump read the provided file in. The file is opened upon
to have tcpdump read the provided file in. The file is opened upon
receiving the first ESP packet, so any special permissions that tcpdump
may have been given should already have been given up.
.TP
@ -393,9 +394,37 @@ Make stdout line buffered.
Useful if you want to see the data
while capturing it.
E.g.,
.br
``tcpdump\ \ \-l\ \ |\ \ tee dat'' or
``tcpdump\ \ \-l \ \ > dat\ \ &\ \ tail\ \ \-f\ \ dat''.
.IP
.RS
.RS
.nf
\fBtcpdump \-l | tee dat\fP
.fi
.RE
.RE
.IP
or
.IP
.RS
.RS
.nf
\fBtcpdump \-l > dat & tail \-f dat\fP
.fi
.RE
.RE
.IP
Note that on Windows,``line buffered'' means ``unbuffered'', so that
WinDump will write each character individually if
.B \-l
is specified.
.IP
.B \-U
is similar to
.B \-l
in its behavior, but it will cause output to be ``packet-buffered'', so
that the output is written to stdout at the end of each packet rather
than at the end of each line; this is buffered on all platforms,
including Windows.
.TP
.B \-L
List the known data link types for the interface, in the specified mode,
@ -512,11 +541,20 @@ on each dump line.
Print undecoded NFS handles.
.TP
.B \-U
Make output saved via the
If the
.B \-w
option ``packet-buffered''; i.e., as each packet is saved, it will be
written to the output file, rather than being written only when the
output buffer fills.
option is not specified, make the printed packet output
``packet-buffered''; i.e., as the description of the contents of each
packet is printed, it will be written to the standard output, rather
than, when not writing to a terminal, being written only when the output
buffer fills.
.IP
If the
.B \-w
option is specified, make the saved raw packet output
``packet-buffered''; i.e., as each packet is saved, it will be written
to the output file, rather than being written only when the output
buffer fills.
.IP
The
.B \-U
@ -558,21 +596,28 @@ Write the raw packets to \fIfile\fR rather than parsing and printing
them out.
They can later be printed with the \-r option.
Standard output is used if \fIfile\fR is ``-''.
.IP
This output will be buffered if written to a file or pipe, so a program
reading from the file or pipe may not see packets for an arbitrary
amount of time after they are received. Use the
.B \-U
flag to cause packets to be written as soon as they are received.
.IP
See
.BR pcap-savefile (5)
for a description of the file format.
.TP
.B \-W
Used in conjunction with the
.B \-C
Used in conjunction with the
.B \-C
option, this will limit the number
of files created to the specified number, and begin overwriting files
from the beginning, thus creating a 'rotating' buffer.
from the beginning, thus creating a 'rotating' buffer.
In addition, it will name
the files with enough leading 0s to support the maximum number of
files, allowing them to sort correctly.
.IP
Used in conjunction with the
Used in conjunction with the
.B \-G
option, this will limit the number of rotated dump files that get
created, exiting with status 0 when reaching the limit. If used with
@ -582,7 +627,7 @@ as well, the behavior will result in cyclical files per timeslice.
.B \-x
When parsing and printing,
in addition to printing the headers of each packet, print the data of
each packet (minus its link level header) in hex.
each packet (minus its link level header) in hex.
The smaller of the entire packet or
.I snaplen
bytes will be printed. Note that this is the entire link-layer
@ -1181,7 +1226,7 @@ tcp-push, tcp-act, tcp-urg.
.PP
This can be demonstrated as:
.RS
.B
.B
tcpdump -i xl0 'tcp[tcpflags] & tcp-push != 0'
.RE
.PP