tpcdump: Update to 4.99.4

Local changes:

- Update some local modifications to fix build
- Synch config.h with upstream as much as possible

Changelog: https://git.tcpdump.org/tcpdump/blob/55bc126b0216cfe409b8d6bd378f65679d136ddf:/CHANGES
Reviewed by: emaste
Obtained from: https://www.tcpdump.org/release/tcpdump-4.99.4.tar.gz
Sponsored by: The FreeBSD Foundation

MFV r353143 (phillip):

Update tcpdump from 4.9.2 to 4.9.3.

MFC after: 2 weeks

Update tcpdump to 4.9.0.

It fixes many buffer overflow in different protocol parsers, but none of
them are critical, even in absense of Capsicum.

Security: CVE-2016-7922, CVE-2016-7923, CVE-2016-7924, CVE-2016-7925
Security: CVE-2016-7926, CVE-2016-7927, CVE-2016-7928, CVE-2016-7929
Security: CVE-2016-7930, CVE-2016-7931, CVE-2016-7932, CVE-2016-7933
Security: CVE-2016-7934, CVE-2016-7935, CVE-2016-7936, CVE-2016-7937
Security: CVE-2016-7938, CVE-2016-7939, CVE-2016-7940, CVE-2016-7973
Security: CVE-2016-7974, CVE-2016-7975, CVE-2016-7983, CVE-2016-7984
Security: CVE-2016-7985, CVE-2016-7986, CVE-2016-7992, CVE-2016-7993
Security: CVE-2016-8574, CVE-2016-8575, CVE-2017-5202, CVE-2017-5203
Security: CVE-2017-5204, CVE-2017-5205, CVE-2017-5341, CVE-2017-5342
Security: CVE-2017-5482, CVE-2017-5483, CVE-2017-5484, CVE-2017-5485
Security: CVE-2017-5486

In tcpdump's print-tcp.c, avoid increasing alignment when taking the
addresses of members of struct ip, which is packed. Since the pointers
are only used for memcmp'ing, they can be pointing to void instead.

Note that upstream has removed the src and dst variables, in the mean
time.

MFC after: 3 days

MFV r285191: tcpdump 4.7.4.

Also, the changes made in r272451 and r272653 that were lost in the
merge of 4.6.2 (r276788) have been restored.

PR: 199568
Differential Revision: https://reviews.freebsd.org/D3007
Reviewed by: brooks, hiren
Approved by: jmallett (mentor)
MFC after: 1 month

MFV r276761: tcpdump 4.6.2.

MFC after: 1 month

MFV: tcpdump 4.4.0.

MFC after: 4 weeks

Merge tcpdump 4.2.1.

MFC after: 2 weeks

Merge tcpdump-4.1.1.

Add parsing code for TCP UTO (User Timeout Option).

Submitted by: fangwang@
Obtained from: //depot/projects/soc2009/tcputo/

Merge tcpdump 4.0.0 from the vendor branch.

Flatten vendor/tcpdump and remove keyword expansion.

Import of tcpdump v3.9.8

Import of tcpdump v3.9.4

correct check for whether or not md5 signature matches; applied
to vendor branch since this is already in their depot

Virgin import of tcpdump v3.9.1 (release) from tcpdump.org

Approved by: re (scottl)

Virgin import of tcpdump v3.9.1 (alpha 096) from tcpdump.org

Import tcpdump 3.8.3, from http://www.tcpdump.org/releases/tcpdump-3.8.3.tar.gz

Import tcpdump 3.7.1, from
http://www.tcpdump.org/release/tcpdump-3.7.1.tar.gz

Virgin import of tcpdump.org tcpdump v3.6.2

Virgin import of tcpdump.org tcpdump v3.5

Virgin import of LBL tcpdump v3.4

Virgin import of LBL tcpdump v3.3

Virgin import of unmodified tcpdump v3.2.1 distribution from LBL.
Obtained from: ftp://ftp.ee.lbl.gov/tcpdump.tar.Z on 19-Aug-1996.

In tcpdump's print-tcp.c, avoid increasing alignment when taking the
addresses of members of struct ip, which is packed. Since the pointers
are only used for memcmp'ing, they can be pointing to void instead.

Note that upstream has removed the src and dst variables, in the mean
time.

MFC after: 3 days

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

Add parsing code for TCP UTO (User Timeout Option).

Submitted by: fangwang@
Obtained from: //depot/projects/soc2009/tcputo/

- Import the HEAD csup code which is the basis for the cvsmode work.

Import of tcpdump v3.9.8

Import of tcpdump v3.9.4

correct check for whether or not md5 signature matches; applied
to vendor branch since this is already in their depot

Virgin import of tcpdump v3.9.1 (release) from tcpdump.org

Approved by: re (scottl)

Virgin import of tcpdump v3.9.1 (alpha 096) from tcpdump.org

Import tcpdump 3.8.3, from http://www.tcpdump.org/releases/tcpdump-3.8.3.tar.gz

Import tcpdump 3.7.1, from
http://www.tcpdump.org/release/tcpdump-3.7.1.tar.gz

Virgin import of tcpdump.org tcpdump v3.6.2

Virgin import of tcpdump.org tcpdump v3.5

Virgin import of LBL tcpdump v3.4

Virgin import of LBL tcpdump v3.3

Virgin import of unmodified tcpdump v3.2.1 distribution from LBL.
Obtained from: ftp://ftp.ee.lbl.gov/tcpdump.tar.Z on 19-Aug-1996.