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Change Log

All notable changes to the project are documented in this file.

  • Versions >= v1.5, Joachim Nilsson <mailto:troglobit at gmail dot com>
  • Versions <= v1.4, Jeff Nathan <mailto:jeff at snort dot org>
  • Versions <= v1.31, Mark Grimes <mailto:mark at stateful dot net>

v1.9

Changes

  • Initial UDP over IPv6 support

v1.8 - 2021-07-06

Nemesis the Mover, found a new home in the libnet project.

Changes

  • Add automatic IP multicast group to MAC multicast address translation
  • Improved usability for composing IGMPv3 reports:
    • Default to 224.0.0.2 for IGMPv3 report type
    • Add -n NUM to control number of group records

Fixes

  • Fix IGMP v2 join example in README
  • Fix logic for printing DNS protocol: TCP/UDP, by Brett Kuskie
  • Fix #12: allow 0.0.0.0 as RIP address
  • Fix #13: multiple definitions of variables, by Brett Kuskie

v1.7 - 2020-06-07

Nemesis the Comedian

Changes

  • Convert all man pages to mdoc format

Fixes

  • Fix #6: Skip sleep/delay when sending only one frame, i.e. default
  • Fix #9: Call correct exit function in nemesis-dhcp
  • Fix missing S: to getopt() in nemesis-dhcp, reported by Westermo
  • Fix network byte ordering problem with CIADDR, YIADDR, SIADDR, and GIADDR in nemesis-dhcp, reported by Westermo
  • Fix command line parsing of client MAC address, Ethernet source MAC address, and Ethernet destination MAC address in nemesis-dhcp, reported by Westermo
  • Fix missing newline in nemesis-dhcp usage text
  • Fix invalid call to close(), found by Valgrind

v1.6 - 2019-05-16

Nemesis the Destroyer

Changes

  • Support for DHCP protocol crafting, defaults to DHCP Discover with option 53, 12, 60, 61, and 55
  • Support for repeated send in many protocol injectors. Can be used to, e.g., flood networks with ARP requests or test DHCP.
  • Incompatible command line option changes to IGMP protocol module

Fixes

  • Fix #4: invalid IP header length in ICMP packets, by Samy Kamkar

v1.5 - 2018-05-10

Nemesis the Resurrection

Changes

  • Merged Nemesis libnet1 port, from stale CVS branch
    • Fixed libnet1 porting regression in nemesis-proto_icmp.c
    • Finished port of nemesis-printout.c to libnet1
    • Finished port of nemesis_proto_ospf.c, new HELLO API. Added workaround for missing "Active Neighbor" in libnet1
    • Removed lots of unused local variables, remnants from port
    • Updated configure script to check for libnet1
    • Re-KNF:ed entire source tree in libnet1 port merge. New file in root of tree: .clang-format for auto-indenting (exprimental)
  • Finished OSPF injector implementation, drop beta status
  • Changed default values for RIP injector, use v2 and 224.0.0.9
  • Minor license refactor to be auto-detected as 3-clause BSD
  • Removed build number from version string
  • Simplified usage/help texts for all injectors, more readable format
  • Replaced hard-coded version number with PACKAGE_VERSION
  • Changed README and ChangeLog to Markdown format, reorder the ChangeLog in reverse chronological order, latest first
  • Added some examples (!) to the README, everybody likes examples :)
  • Removed all generated autoconf/automake files from GIT. Use the ./autogen.sh script when building from GIT.
  • Renamed configure.in --> configure.ac and clean up the build system a bit, for readability and simplicity
  • Merged Debian .deb package build support, incl. modernize

Fixes

  • Merged mailing list fix to allow IGMP group 0.0.0.0 when sending a general query. Thanks to Randy Robertson mailto:rmrobert@vmware.com
  • Fixed long-standing OSPF non-functioning bug. Caused by static declaration of OSPF variables in header file
  • Fixed needless byte-swapping in the following injectors, libnet1 does this for us already. Possible bug in earlier versions:
    • OSPF
    • RIP
    • ICMP

v1.4 - 2004-10-07

New and improved nemesis: nemesis-ethernet and nemesis-ip.

Changes

  • License change, from 2-clause BSD to 3-clause
  • Windows support (link-layer injection only)
  • Useful man pages
  • Single binary
  • Improved cross-platform support via GNU autotools
  • Easier to use
    • Nemesis will attempt to fill in as many details as possible in a packet, thus requiring fewer or even no command line switches
    • Each protocol builder attempts to build a proper packet by default
  • Organized code base
    • The network header structures in libnet proved useful so nemesis now uses them where appropriate
    • Code is re-used wherever possible resulting in a much more concise code base
  • Full payload functionality
    • Payloads can now contain NULLs within them and full-size packets are available on all supported platforms except Windows
  • IP and TCP options support
    • All nemesis injectors (excluding ARP and Ethernet) now support IP options via -O <file>
    • All nemesis injectors using TCP as a transport protocol now support TCP options via -o <file>
  • Improved IP and TCP functionality
    • Full IP fragmentation support via new -F command line semantics
    • ECN support in TCP with the addition of -fE (ECE) and -fC (CWR)
  • Switched to GNU ChangeLog format
  • Moved printout functions into nemesis-printout.c
  • Moved file I/O functions to nemesis-fileio.c
  • Incorporated strlcpy() and strlcat() into source tree
  • Updated configure.in to use AC_REPLACE_FUNCS for locally included functions: strlcpy(), strlcat(), strspn(), inet_aton()
  • Removed struct OptionsData and PayloadData in favor of FileData
  • Changed builddatafromfile() to accept a FileData *
  • removed acconfig.h and replaced with AH_TOP macro in configre.in
  • updated aclocal.m4, missing, mkinstalldirs, configure, configure.in, config.guess, Makefile.in, man/Makefile.in and src/Makefile.in as part of autotools updates

Fixes

  • Man page fixes from mailto:nnposter@users.sourceforge.net

  • minor man page cleanup

  • nemesis-proto_ip.c:

      -    ip_meta_packetlen = ip_packetlen - (link_offet + LIBNET_IP_H);
  +    ip_meta_packetlen = ip_packetlen - (link_offset + LIBNET_IP_H);

  • added .cvsignore to CVS

  • allow TCP packets to be sent without flags using -f-

  • allow RIP routing domain value to be 0 with RIP2

  • correct mistakes in specifying payload sizes for ICMP and RIP

  • added src/memcmp.c to satisfy automake dependency

  • debug fixes to configure.in

v1.32 - 2001-06-22

Changes

  • changes to nemesis-arp
    • Added -h and -m switches to allow for changing the sender and target hardware addresses within the ARP frame independant of the Ethernet header.
    • Added Solaris style ARP requests (-s option) such that the target hardware address is set to ff:ff:ff:ff:ff:ff rather than 00:00:00:00:00:00 as it is in most implementations. This is merely a shortcut and users wishing to set the target address manually should use the -m switch.
    • ARP requests now default to having the target hardware address set to 00:00:00:00:00:00 rather than duplicating what's in enet_dst.
  • changes to nemesis-igmp
    • pull in accidental DoS protection from 1.31

Fixes

  • Fixed if (verbose) bug that prevented libnet_get_hwaddr() from being called if verbose == 0
  • Fixed getopt() parsing to no longer use if (got_link) as optarg options weren't parsed properly if -d appeared anywhere but the beginning of the command line.
  • relocated some sanity checks
  • man page cleanup. (-b option doesn't exist)

v1.31 - 2001-06-13

Fixes

  • Error in printf output for arp request/reply Pulls Source MAC off card if undefined, prevents accidental DoS ;)

v1.3 - 2001-06-06

Memesis is such a bloody mess, this will be the last version of the old libnet-nemesis -- I SWEAR! --- (bar bugfixes)

Changes

  • RARP added (thanks to Jeff Nathan <mailto:jeff at wwti dot com> for pointing out Libnet had RARP support, while I have been busy unlibnetizing source code... Since some people wanted this feature...)
  • RAW4ALL OpenBSD patch support added (inject nemesis packets as a normal user!)

v1.2 - 2000-12-31

Fixes

  • ICMP checksum fix patched (did not affect ICMP injection, but not proper)
  • Makefile fixes (roll in the changes made in OpenBSD land)

v1.1 - 2000-06-24

NOTE: nemesis is only being maintained for bugfixes now. A next generation of the tool is currently being developed that will have a shell based interface rather than a command line. As future features are implemented, it will become readily apparent why this is being done.

Fixes

  • Injection fixes
    • DNS (no frame on layer 2),
    • ICMP (false reporting)
  • New packet payload hex dumping algorithm created from scratch... many people rip tcpdump's hex dumping algorithm, which might be more robust, but this is 100% my OWN algorithm -- so if it totally sucks, please tell me and I will rip tcpdump's algorithm. I think it works nice and is considerably less code than the other flavors.
  • ICMP man page update - ICMP types/codes notated, so you don't have to refer to the source.
  • Payload fixes

v1.0 - 2000-04-14

Fixes

  • Injection fix - non-payload packet wasn't injecting after changes made between 0.9.1 and 1.0pre1 releases

v1.0pre1 - Major bug fix release

MANY bugfixes.

Fixes

  • Packet stream loop tightening, Binary payload now does what it is supposed too ;)
  • Socket fixes -- tested with large files

v0.9.1 - Bug fix release

Fixes

  • b0rked the ethernet checksums patch, recoded and verified

v0.9 - OSPF Completed

Changes

  • OSPF completed (5 additional packet types)

Fixes

  • autoconf adjustments to ease into obsd ports tree patches supplied by: <mailto:brad at comstyle dot com>

v0.8 - Build system overhaul

Changes

  • autoconf style configuration

Fixes

  • misc cosmetic fixes

v0.7 - More protocols

Changes

  • addition of DNS protocol
  • addition of IGMP protocol
  • addition of RIP protocol
  • finished layer 2 support for all completed protocols

[v0.666b] - Minor fixes

Fixes

  • getopt() fixes to OSPF and ICMP
  • misc cosmetic fixes

v0.666a - initial public release

Changes

  • ARP, ICMP, OSPF (unfinished), TCP, UDP implemented