671dd9fa89
This update fixes the following vulnerabilities:
CVE-2016-7922 CVE-2016-7923 CVE-2016-7924 CVE-2016-7925 CVE-2016-7926
CVE-2016-7927 CVE-2016-7928 CVE-2016-7929 CVE-2016-7930 CVE-2016-7931
CVE-2016-7932 CVE-2016-7933 CVE-2016-7934 CVE-2016-7935 CVE-2016-7936
CVE-2016-7937 CVE-2016-7938 CVE-2016-7939 CVE-2016-7940 CVE-2016-7973
CVE-2016-7974 CVE-2016-7975 CVE-2016-7983 CVE-2016-7984 CVE-2016-7985
CVE-2016-7986 CVE-2016-7992 CVE-2016-7993 CVE-2016-8574 CVE-2016-8575
CVE-2017-5202 CVE-2017-5203 CVE-2017-5204 CVE-2017-5205 CVE-2017-5341
CVE-2017-5342 CVE-2017-5482 CVE-2017-5483 CVE-2017-5484 CVE-2017-5485
CVE-2017-5486 (all buffer overflows in various parts of tcpdump)
Upstream Changelog:
General updates:
Improve separation frontend/backend (tcpdump/libnetdissect)
Don't require IPv6 library support in order to support IPv6 addresses
Introduce data types to use for integral values in packet structures
Fix display of timestamps with -tt, -ttt and -ttttt options
Fix some heap overflows found with American Fuzzy Lop by Hanno Boeck and others
(More information in the log with CVE-2016-* and CVE-2017-*)
Change the way protocols print link-layer addresses (Fix heap overflows
in CALM-FAST and GeoNetworking printers)
Pass correct caplen value to ether_print() and some other functions
Fix lookup_nsap() to match what isonsap_string() expects
Clean up relative time stamp printing (Fix an array overflow)
Fix some alignment issues with GCC on Solaris 10 SPARC
Add some ND_TTEST_/ND_TCHECK_ macros to simplify writing bounds checks
Add a fn_printztn() which returns the number of bytes processed
Add nd_init() and nd_cleanup() functions. Improve libsmi support
Add CONTRIBUTING file
Add a summary comment in all printers
Compile with more warning options in devel mode if supported (-Wcast-qual, ...)
Fix some leaks found by Valgrind/Memcheck
Fix a bunch of de-constifications
Squelch some Coverity warnings and some compiler warnings
Update Coverity and Travis-CI setup
Update Visual Studio files
Frontend:
Fix capsicum support to work with zerocopy buffers in bpf
Try opening interfaces by name first, then by name-as-index
Work around pcap_create() failures fetching time stamp type lists
Fix a segmentation fault with 'tcpdump -J'
Improve addrtostr6() bounds checking
Add exit_tcpdump() function
Don't drop CAP_SYS_CHROOT before chrooting
Fixes issue where statistics not reported when -G and -W options used
New printers supporting:
Generic Protocol Extension for VXLAN (VXLAN-GPE)
Home Networking Control Protocol (HNCP), RFCs 7787 and 7788
Locator/Identifier Separation Protocol (LISP), type 3 and type 4 packets
Marvell Extended Distributed Switch Architecture header (MEDSA)
Network Service Header (NSH)
REdis Serialization Protocol (RESP)
Updated printers:
802.11: Beginnings of 11ac radiotap support
802.11: Check the Protected bit for management frames
802.11: Do bounds checking on last_presentp before dereferencing it (Fix a heap overflow)
802.11: Fix the radiotap printer to handle the special bits correctly
802.11: If we have the MCS field, it's 11n
802.11: Only print unknown frame type or subtype messages once
802.11: Radiotap dBm values get printed as dB; Update a test output accordingly
802.11: Source and destination addresses were backwards
AH: Add a bounds check
AH: Report to our caller that dissection failed if a bounds check fails
AP1394: Print src > dst, not dst > src
ARP: Don't assume the target hardware address is <= 6 octets long (Fix a heap overflow)
ATALK: Add bounds and length checks (Fix heap overflows)
ATM: Add some bounds checks (Fix a heap overflow)
ATM: Fix an incorrect bounds check
BFD: Update specification from draft to RFC 5880
BFD: Update to print optional authentication field
BGP: Add decoding of ADD-PATH capability
BGP: Add support for the AIGP attribute (RFC7311)
BGP: Print LARGE_COMMUNITY Path Attribute
BGP: Update BGP numbers from IANA; Print minor values for FSM notification
BOOTP: Add a bounds check
Babel: Add decoder for source-specific extension
CDP: Filter out non-printable characters
CFM: Fixes to match the IEEE standard, additional bounds and length checks
CSLIP: Add more bounds checks (Fix a heap overflow)
ClassicalIPoATM: Add a bounds check on LLC+SNAP header (Fix a heap overflow)
DHCP: Fix MUDURL and TZ options
DHCPv6: Process MUDURL and TZ options
DHCPv6: Update Status Codes with RFCs/IANA names
DNS: Represent the "DNSSEC OK" bit as "DO" instead of "OK". Add a test case
DTP: Improve packet integrity checks
EGP: Fix bounds checks
ESP: Don't use OpenSSL_add_all_algorithms() in OpenSSL 1.1.0 or later
ESP: Handle OpenSSL 1.1.x
Ethernet: Add some bounds checking before calling isoclns_print (Fix a heap overflow)
Ethernet: Print the Length/Type field as length when needed
FDDI: Fix -e output for FDDI
FR: Add some packet-length checks and improve Q.933 printing (Fix heap overflows)
GRE: Add some bounds checks (Fix heap overflows)
Geneve: Fix error message with invalid option length; Update list option classes
HNCP: Fix incorrect time interval format. Fix handling of IPv4 prefixes
ICMP6: Fetch a 32-bit big-endian quantity with EXTRACT_32BITS()
ICMP6: dagid is always an IPv6 address, not an opaque 128-bit string
IGMP: Add a length check
IP: Add a bounds check (Fix a heap overflow)
IP: Check before fetching the protocol version (Fix a heap overflow)
IP: Don't try to dissect if IP version != 4 (Fix a heap overflow)
IP: Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP
IPComp: Check whether we have the CPI before we fetch it (Fix a heap overflow)
IPoFC: Fix -e output (IP-over-Fibre Channel)
IPv6: Don't overwrite the destination IPv6 address for routing headers
IPv6: Fix header printing
IPv6: Stop processing IPPROTO_ values once we hit IPPROTO_IPCOMP
ISAKMP: Clean up parsing of IKEv2 Security Associations
ISOCLNS/IS-IS: Add support for Purge Originator Identifier (RFC6232) and test cases
ISOCLNS/IS-IS: Don't overwrite packet data when checking the signature
ISOCLNS/IS-IS: Filter out non-printable characters
ISOCLNS/IS-IS: Fix segmentation faults
ISOCLNS/IS-IS: Have signature_verify() do the copying and clearing
ISOCLNS: Add some bounds checks
Juniper: Make sure a Juniper header TLV isn't bigger than what's left in the packet (Fix a heap overflow)
LLC/SNAP: With -e, print the LLC header before the SNAP header; without it, cut the SNAP header
LLC: Add a bounds check (Fix a heap overflow)
LLC: Clean up printing of LLC packets
LLC: Fix the printing of RFC 948-style IP packets
LLC: Skip the LLC and SNAP headers with -x for 802.11 and some other protocols
LLDP: Implement IANA OUI and LLDP MUD option
MPLS LSP ping: Update printing for RFC 4379, bug fixes, more bounds checks
MPLS: "length" is now the *remaining* packet length
MPLS: Add bounds and length checks (Fix a heap overflow)
NFS: Add a test that makes unaligned accesses
NFS: Don't assume the ONC RPC header is nicely aligned
NFS: Don't overflow the Opaque_Handle buffer (Fix a segmentation fault)
NFS: Don't run past the end of an NFSv3 file handle
OLSR: Add a test to cover a HNA sgw case
OLSR: Fix 'Advertised networks' count
OLSR: Fix printing of smart-gateway HNAs in IPv4
OSPF: Add a bounds check for the Hello packet options
OSPF: Do more bounds checking
OSPF: Fix a segmentation fault
OSPF: Fix printing 'ospf_topology_values' default
OTV: Add missing bounds checks
PGM: Print the formatted IP address, not the raw binary address, as a string
PIM: Add some bounds checking (Fix a heap overflow)
PIMv2: Fix checksumming of Register messages
PPI: Pass an adjusted struct pcap_pkthdr to the sub-printer
PPP: Add some bounds checks (Fix a heap overflow)
PPP: Report invalid PAP AACK/ANAK packets
Q.933: Add a missing bounds check
RADIUS: Add Value 13 "VLAN" to Tunnel-Type attribute
RADIUS: Filter out non-printable characters
RADIUS: Translate UDP/1700 as RADIUS
RESP: Do better checking of RESP packets
RPKI-RTR: Add a return value check for "fn_printn" call
RPKI-RTR: Remove printing when truncated condition already detected
RPL: Fix 'Consistency Check' control code
RPL: Fix suboption print
RSVP: An INTEGRITY object in a submessage covers only the submessage
RSVP: Fix an infinite loop; Add bounds and length checks
RSVP: Fix some if statements missing brackets
RSVP: Have signature_verify() do the copying and clearing
RTCP: Add some bounds checks
RTP: Add some bounds checks, fix two segmentation faults
SCTP: Do more bounds checking
SFLOW: Fix bounds checking
SLOW: Fix bugs, add checks
SMB: Before fetching the flags2 field, make sure we have it
SMB: Do bounds checks on NBNS resource types and resource data lengths
SNMP: Clean up the "have libsmi but no modules loaded" case
SNMP: Clean up the object abbreviation list and fix the code to match them
SNMP: Do bounds checks when printing character and octet strings
SNMP: Improve ASN.1 bounds checks
SNMP: More bounds and length checks
STP: Add a bunch of bounds checks, and fix some printing (Fix heap overflows)
STP: Filter out non-printable characters
TCP: Add bounds and length checks for packets with TCP option 20
TCP: Correct TCP option Kind value for TCP Auth and add SCPS-TP
TCP: Fix two bounds checks (Fix heap overflows)
TCP: Make sure we have the data offset field before fetching it (Fix a heap overflow)
TCP: Put TCP-AO option decoding right
TFTP: Don't use strchr() to scan packet data (Fix a heap overflow)
Telnet: Add some bounds checks
TokenRing: Fix -e output
UDLD: Fix an infinite loop
UDP: Add a bounds check (Fix a heap overflow)
UDP: Check against the packet length first
UDP: Don't do the DDP-over-UDP heuristic check up front
VAT: Add some bounds checks
VTP: Add a test on Mgmt Domain Name length
VTP: Add bounds checks and filter out non-printable characters
VXLAN: Add a bound check and a test case
ZeroMQ: Fix an infinite loop
123 lines
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123 lines
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If you have not built libpcap, and your system does not have libpcap
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installed, install libpcap first. Your system might provide a version
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of libpcap that can be installed; if so, to compile tcpdump you might
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need to install a "developer" version of libpcap as well as the
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"run-time" version. You can also install tcpdump.org's version of
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libpcap; see the README file in this directory for the ftp location.
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You will need an ANSI C compiler to build tcpdump. The configure script
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will abort if your compiler is not ANSI compliant. If this happens, use
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the generally available GNU C compiler (GCC).
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After libpcap has been built (either install it with "make install" or
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make sure both the libpcap and tcpdump source trees are in the same
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directory), run ./configure (a shell script). "configure" will
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determine your system attributes and generate an appropriate Makefile
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from Makefile.in. Now build tcpdump by running "make".
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If everything builds ok, su and type "make install". This will install
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tcpdump and the manual entry. Any user will be able to use tcpdump to
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read saved captures. Whether a user will be able to capture traffic
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depends on the OS and the configuration of the system; see the tcpdump
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man page for details. DO NOT give untrusted users the ability to
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capture traffic. If a user can capture traffic, he or she could use
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utilities such as tcpdump to capture any traffic on your net, including
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passwords.
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Note that most systems ship tcpdump, but usually an older version.
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Remember to remove or rename the installed binary when upgrading.
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If your system is not one which we have tested tcpdump on, you may have
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to modify the configure script and Makefile.in. Please send us patches
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for any modifications you need to make.
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Please see "PLATFORMS" for notes about tested platforms.
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FILES
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-----
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CHANGES - description of differences between releases
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CREDITS - people that have helped tcpdump along
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INSTALL.txt - this file
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LICENSE - the license under which tcpdump is distributed
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Makefile.in - compilation rules (input to the configure script)
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README - description of distribution
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Readme.Win32 - notes on building tcpdump on Win32 systems (with WinPcap)
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VERSION - version of this release
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aclocal.m4 - autoconf macros
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addrtoname.c - address to hostname routines
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addrtoname.h - address to hostname definitions
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ah.h - IPSEC Authentication Header definitions
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appletalk.h - AppleTalk definitions
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ascii_strcasecmp.c - locale-independent case-independent string comparison
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routines
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atime.awk - TCP ack awk script
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atm.h - ATM traffic type definitions
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bpf_dump.c - BPF program printing routines, in case libpcap doesn't
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have them
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chdlc.h - Cisco HDLC definitions
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cpack.c - functions to extract packed data
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cpack.h - declarations of functions to extract packed data
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config.guess - autoconf support
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config.h.in - autoconf input
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config.sub - autoconf support
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configure - configure script (run this first)
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configure.in - configure script source
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ether.h - Ethernet definitions
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ethertype.h - Ethernet type value definitions
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extract.h - alignment definitions
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gmpls.c - GMPLS definitions
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gmpls.h - GMPLS declarations
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gmt2local.c - time conversion routines
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gmt2local.h - time conversion prototypes
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install-sh - BSD style install script
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interface.h - globals, prototypes and definitions
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ip.h - IP definitions
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ip6.h - IPv6 definitions
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ipproto.c - IP protocol type value-to-name table
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ipproto.h - IP protocol type value definitions
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l2vpn.c - L2VPN encapsulation value-to-name table
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l2vpn.h - L2VPN encapsulation definitions
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lbl/os-*.h - OS-dependent defines and prototypes
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llc.h - LLC definitions
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machdep.c - machine dependent routines
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machdep.h - machine dependent definitions
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makemib - mib to header script
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mib.h - mib definitions
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missing/* - replacements for missing library functions
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mkdep - construct Makefile dependency list
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mpls.h - MPLS definitions
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nameser.h - DNS definitions
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netdissect.h - definitions and declarations for tcpdump-as-library
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(under development)
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nfs.h - Network File System V2 definitions
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nfsfh.h - Network File System file handle definitions
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nlpid.c - OSI NLPID value-to-name table
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nlpid.h - OSI NLPID definitions
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ospf.h - Open Shortest Path First definitions
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packetdat.awk - TCP chunk summary awk script
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parsenfsfh.c - Network File System file parser routines
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pcap_dump_ftell.c - pcap_dump_ftell() implementation, in case libpcap
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doesn't have it
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pcap-missing.h - declarations of functions possibly missing from libpcap
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ppp.h - Point to Point Protocol definitions
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print.c - Top-level routines for protocol printing
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print-*.c - The netdissect printers
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rpc_auth.h - definitions for ONC RPC authentication
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rpc_msg.h - definitions for ONC RPC messages
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send-ack.awk - unidirectional tcp send/ack awk script
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setsignal.c - OS-independent signal routines
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setsignal.h - OS-independent signal prototypes
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slcompress.h - SLIP/PPP Van Jacobson compression (RFC1144) definitions
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smb.h - SMB/CIFS definitions
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smbutil.c - SMB/CIFS utility routines
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stime.awk - TCP send awk script
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tcp.h - TCP definitions
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tcpdump.1 - manual entry
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tcpdump.c - main program
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timeval-operations.h - timeval operations macros
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udp.h - UDP definitions
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util-print.c - utility routines for protocol printers
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vfprintf.c - emulation routine
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win32 - headers and routines for building on Win32 systems
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