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History log of /src/usr.sbin/traceroute
RevisionDateAuthorComments
 1.2 11-Sep-2011  christos merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.24 08-Aug-2023  riastradh traceroute/Makefile: Nix trailing whitespace.
 1.23 08-Aug-2023  mrg introduce new GCC 12 warning disables and use them in a few places

this introduces 4 new warning disable flags:

CC_WNO_MISSING_TEMPLATE_KEYWORD
CC_WNO_REGISTER
CC_WNO_STRINGOP_OVERREAD
CC_WNO_ARRAY_BOUNDS

and documents them in README.warnings. of these, the string op
and array bounds are both problematic (real bugs) and also spurious
(not real bugs), and the other 2 are mostly temporary for older
3rd party code.

add some new uses of CC_WNO_STRINGOP_OVERFLOW.

fix m68k build for gallium and GCC 12.
 1.22 03-Feb-2021  roy traceroute: no longer need gcc packed member warning
 1.21 06-Sep-2020  mrg add support for new GCC 9 warnings that may be too much to fix
right now. new address-of-packed-member and format-overflow
warnings have new GCC_NO_ADDR_OF_PACKED_MEMBER amd
GCC_NO_FORMAT_OVERFLOW variables to remove these warnings.

apply to a bunch of the tree. mostly, these are real bugs that
should be fixed, but in many cases, only by removing the 'packed'
attribute from some structure that doesn't really need it. (i
looked at many different ones, and while perhaps 60-80% were
already properly aligned, it wasn't clear to me that the uses
were always coming from sane data vs network alignment, so it
doesn't seem safe to remove packed without careful research for
each affect struct.) clang already warned (and was not erroring)
for many of these cases, but gcc picked up dozens more.
 1.20 18-Aug-2019  kamil traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.19 11-Sep-2011  christos branches: 1.19.42; 1.19.44;
merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.
 1.18 10-May-2011  christos Add AS support for traceroute6. While here cleanup both traceroute programs
a bit.
XXX: Error printing on traceroute should be revisited.
 1.17 15-Dec-2010  pooka Use RUMPPRG. I think it's safe to say there's not going to be a
new upstream version of traceroute to import.

AS# lookup is still done using host networking. Rationale: the
relevance to where that data comes from with respect to network
tracing is zero (be it socket, local file, db, whatever).
 1.16 22-Apr-2009  lukem Enable WARNS=4 by default, except for:
cpuctl dumplfs hprop ipf iprop-log kadmin kcm kdc kdigest
kimpersonate kstash ktutil makefs ndbootd ntp pppd quot
racoon racoonctl rtadvd sntp sup tcpdchk tcpdmatch tcpdump
traceroute traceroute6 user veriexecgen wsmoused zic
(Mostly third-party applications)
 1.15 28-May-2007  tls branches: 1.15.20;
Add new Makefile knob, USE_FORT, which extends USE_SSP by turning on the
FORTIFY_SOURCE feature of libssp, thus checking the size of arguments to
various string and memory copy and set functions (as well as a few system
calls and other miscellany) where known at function entry. RedHat has
evidently built all "core system packages" with this option for some time.

This option should be used at the top of Makefiles (or Makefile.inc where
this is used for subdirectories) but after any setting of LIB.

This is only useful for userland code, and cannot be used in libc or in
any code which includes the libc internals, because it overrides certain
libc functions with macros. Some effort has been made to make USE_FORT=yes
work correctly for a full-system build by having the bsd.sys.mk logic
disable the feature where it should not be used (libc, libssp iteself,
the kernel) but no attempt has been made to build the entire system with
USE_FORT and doing so will doubtless expose numerous bugs and misfeatures.

Adjust the system build so that all programs and libraries that are setuid,
directly handle network data (including serial comm data), perform
authentication, or appear likely to have (or have a history of having)
data-driven bugs (e.g. file(1)) are built with USE_FORT=yes by default,
with the exception of libc, which cannot use USE_FORT and thus uses
only USE_SSP by default. Tested on i386 with no ill results; USE_FORT=no
per-directory or in a system build will disable if desired.
 1.14 15-May-2003  itojun assume getifaddrs(3)
 1.13 15-May-2003  itojun byebye savestr. with savestr() we can't free().
 1.12 04-Nov-2001  atatat Add support for printing the AS number associated with the address at
each hop.
 1.11 13-Apr-2000  itojun use getifaddrs, not SIOCGIFCONF, to avoid complex alignment constraints.
 1.10 03-Sep-1999  itojun configure IPsec policy on sending/receiving socket for bypassing IPsec.

If IPsec default policy is configured for destination
traceroute will never success (because encrypted icmp timexceeded
is unrecognizable).
 1.9 26-Feb-1999  christos We have RAW_OPTIONS so enable them.
 1.8 25-Oct-1997  lukem use CPPFLAGS instead of CFLAGS
 1.7 18-Oct-1997  lukem branches: 1.7.2;
enable WARNS=1 by default, but disable in unclean 3rd party code
 1.6 04-Oct-1997  christos Fix conflicts.
 1.5 26-Mar-1995  glass new rcsid format. small cleanup
 1.4 22-Dec-1994  cgd specify man pages the new way.
 1.3 16-May-1994  mycroft Update from 4.4-Lite.
 1.2 30-Jul-1993  mycroft Add RCS identifiers.
 1.1 21-Mar-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.3 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.1.1.2 13-Feb-1997  mrg lite2
 1.1.1.1 21-Mar-1993  cgd initial import of 386bsd-0.1 sources
 1.7.2.1 08-Nov-1997  lukem sync with trunk (approved by thorpej)
 1.15.20.1 13-May-2009  jym Sync with HEAD.

Third (and last) commit. See http://mail-index.netbsd.org/source-changes/2009/05/13/msg221222.html
 1.19.44.1 19-Aug-2019  martin Pull up following revision(s) (requested by kamil in ticket #92):

usr.sbin/traceroute/ifaddrlist.c: revision 1.11
usr.sbin/traceroute/traceroute_rumpops.c: revision 1.2
usr.sbin/traceroute/traceroute_hostops.c: revision 1.2
usr.sbin/traceroute/Makefile: revision 1.20
usr.sbin/traceroute/prog_ops.h: revision 1.2

traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.19.42.1 13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.2 30-May-2010  dholland with luck this is the last one
 1.1 21-Mar-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.4 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.1.1.3 13-Feb-1997  mrg lite2
 1.1.1.2 04-Jan-1995  mycroft Clean up deleted files.
 1.1.1.1 21-Mar-1993  cgd initial import of 386bsd-0.1 sources
 1.4 10-May-2011  christos Add AS support for traceroute6. While here cleanup both traceroute programs
a bit.
XXX: Error printing on traceroute should be revisited.
 1.3 04-Jan-2011  wiz Fix possible NULL pointer dereference in #ifdef AS_DEBUG_FILE.
Found by cppcheck.
 1.2 28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.1 04-Nov-2001  atatat branches: 1.1.32;
Add support for printing the AS number associated with the address at
each hop.
 1.1.32.1 18-May-2008  yamt sync with head.
 1.4 10-May-2011  christos Add AS support for traceroute6. While here cleanup both traceroute programs
a bit.
XXX: Error printing on traceroute should be revisited.
 1.3 28-Apr-2008  martin Remove clause 3 and 4 from TNF licenses
 1.2 06-Jul-2002  wiz branches: 1.2.30;
Remove __P().
 1.1 04-Nov-2001  atatat Add support for printing the AS number associated with the address at
each hop.
 1.2.30.1 18-May-2008  yamt sync with head.
 1.2 06-Jul-2002  wiz Remove some unnecessary cruft.
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.12 30-Oct-2021  nia traceroute(8): Convert realloc usage to reallocarr.

Eliminate a temporary variable.
 1.11 18-Aug-2019  kamil traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.10 11-Sep-2011  christos branches: 1.10.42; 1.10.44;
merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.
 1.9 11-May-2011  christos Don't use a static buffer for ifaddrs (and not check for overflowing it!)
(speciallly if you are setuid!)
 1.8 10-May-2011  christos Add AS support for traceroute6. While here cleanup both traceroute programs
a bit.
XXX: Error printing on traceroute should be revisited.
 1.7 15-May-2003  itojun assume getifaddrs(3)
 1.6 15-May-2003  itojun byebye savestr. with savestr() we can't free().
 1.5 06-Jul-2002  wiz unifdef __STDC__
 1.4 13-Apr-2000  itojun use getifaddrs, not SIOCGIFCONF, to avoid complex alignment constraints.
 1.3 24-Feb-1999  explorer Allow non-root users to use ALIASES on real interfaces or on lo0.
 1.2 04-Jul-1998  mrg ensure we do not overrun errbuf.
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.10.44.1 19-Aug-2019  martin Pull up following revision(s) (requested by kamil in ticket #92):

usr.sbin/traceroute/ifaddrlist.c: revision 1.11
usr.sbin/traceroute/traceroute_rumpops.c: revision 1.2
usr.sbin/traceroute/traceroute_hostops.c: revision 1.2
usr.sbin/traceroute/Makefile: revision 1.20
usr.sbin/traceroute/prog_ops.h: revision 1.2

traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.10.42.1 13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.3 11-May-2011  christos Don't use a static buffer for ifaddrs (and not check for overflowing it!)
(speciallly if you are setuid!)
 1.2 04-Jul-1998  mrg ensure we do not overrun errbuf.
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.5 04-Oct-1997  christos Fix conflicts.
 1.4 27-Mar-1995  glass botched rcsid fix completely..
 1.3 26-Mar-1995  glass new rcsid format. small cleanup
 1.2 16-May-1994  mycroft Update from 4.4-Lite.
 1.1 21-Mar-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.3 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.1.1.2 13-Feb-1997  mrg lite2
 1.1.1.1 21-Mar-1993  cgd initial import of 386bsd-0.1 sources
 1.5 04-Oct-1997  christos Fix conflicts.
 1.4 27-Mar-1995  glass botched rcsid fix completely..
 1.3 26-Mar-1995  glass new rcsid format. small cleanup
 1.2 16-May-1994  mycroft Update from 4.4-Lite.
 1.1 21-Mar-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.3 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.1.1.2 13-Feb-1997  mrg lite2
 1.1.1.1 21-Mar-1993  cgd initial import of 386bsd-0.1 sources
 1.3 07-Jun-2024  rin envstat(8), powerd(8), traceroute(8): Add support to CRUNCHOPS

Now, all rump-fied programs can be built as crunched binaries.

Thanks ozaki-r@ for discussion.
 1.2 18-Aug-2019  kamil branches: 1.2.8;
traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.1 15-Dec-2010  pooka branches: 1.1.46; 1.1.48;
Use RUMPPRG. I think it's safe to say there's not going to be a
new upstream version of traceroute to import.

AS# lookup is still done using host networking. Rationale: the
relevance to where that data comes from with respect to network
tracing is zero (be it socket, local file, db, whatever).
 1.1.48.1 19-Aug-2019  martin Pull up following revision(s) (requested by kamil in ticket #92):

usr.sbin/traceroute/ifaddrlist.c: revision 1.11
usr.sbin/traceroute/traceroute_rumpops.c: revision 1.2
usr.sbin/traceroute/traceroute_hostops.c: revision 1.2
usr.sbin/traceroute/Makefile: revision 1.20
usr.sbin/traceroute/prog_ops.h: revision 1.2

traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.1.46.1 13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.2.8.1 20-Jun-2024  martin Pull up following revision(s) (requested by rin in ticket #710):

usr.sbin/traceroute/prog_ops.h: revision 1.3
usr.sbin/powerd/prog_ops.h: revision 1.2
usr.sbin/envstat/prog_ops.h: revision 1.3

envstat(8), powerd(8), traceroute(8): Add support to CRUNCHOPS

Now, all rump-fied programs can be built as crunched binaries.

Thanks ozaki-r@ for discussion.
 1.4 15-May-2003  itojun byebye savestr. with savestr() we can't free().
 1.3 15-May-2003  itojun just for safety
 1.2 08-Oct-1997  cjs Include <string.h> and use proper types for str*() so that this compiles
on the Alpha. Also remove register decl's while I'm here.
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.2 15-May-2003  itojun byebye savestr. with savestr() we can't free().
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.30 03-Jul-2017  wiz Remove workaround for ancient HTML generation code.
 1.29 11-Sep-2011  christos merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.
 1.28 17-Feb-2006  rpaulo Show MPLS ICMP extensions. Only available if -M is passed.
Example:
RC02-02 (195.245.142.66) 45.707 ms 20.418 ms 34.042 ms [MPLS: label: 515, exp: 0x0, ttl: 1]
gr1-p340.attga.ip.att.net (12.123.20.190) 241.878 ms 251.945 ms [MPLS: label: 32133, exp: 0x0, ttl: 1]


Based on PR 22523: By Jesper Skriver (updated by ww@parc.styx.org and Mihai
CHELARU).

Things not in the PR that I changed/added:
* changed exp and label to lower case
* added ttl (probably not worth it but who knows..)
* KNF/style/indent
* C99 uintXX_t
 1.27 09-Nov-2005  wiz No leading zero in date strings.
XXX: this page needs conversion to mdoc.
 1.26 06-Nov-2005  uwe \(<= is the proper roff for <=. Fix another \*[Le] missed in the
previous commit. While here, properly mark up minus in -p description.
 1.25 06-Nov-2005  rpaulo It's lilac-dmc.Berkeley.EDU, not lbl-csam.arpa. A 12 years old typo!
Also, \*[Le] doesn't seem to work well here, so replace it with '<='
as FreeBSD did. This problem was spotted by joerg@.
 1.24 14-Jun-2005  peter The default hops is not 30, but is taken from the net.inet.ip.ttl sysctl
variable. Fixes PR/30209 from Jed Davis.
 1.23 06-Apr-2003  wiz NFSNET. From Igor Sobrado in PR 19691.
 1.22 31-Mar-2003  perry MERCHANTIBILITY->MERCHANTABILITY
4.4bsd->4.4BSD
PR misc/20747 from Igor Sobrado
Note he also asked for NSFNet -> NSFNET which I didn't do -- it seems
arbitrary and unneeded.
XXX Patch submitted back to traceroute@ee.lbl.gov -- are they still active?
XXX Should this be converted to mdoc?
 1.21 30-Mar-2003  wiz HP-UX, not HPUX. Igor Sobrado, PR 19678.
 1.20 30-Mar-2003  wiz Uppercase ULTRIX. Igor Sobrado in PR 19678.
 1.19 04-Feb-2003  perry "Utilize" has exactly the same meaning as "use," but it is more
difficult to read and understand. Most manuals of English style
therefore say that you should use "use".
 1.18 21-Dec-2002  wiz Fix order of letters in calculated, from Adrian Mrva.
 1.17 08-Feb-2002  ross Generate <>& symbolically. I'm avoiding .../dist/... directories for now.
 1.16 04-Feb-2002  fair Patch from PR 14724 to document the -q option.
 1.15 02-Feb-2002  wiz Fix xref.
 1.14 19-Jan-2002  wiz Whitespace nits.
 1.13 04-Nov-2001  atatat Add support for printing the AS number associated with the address at
each hop.
 1.12 18-Jun-2001  wiz Symmetric has one s and two m's.
 1.11 02-Nov-2000  wiz Remove duplicate entry for -d option, fixing misc/11414.
Sort options while I'm here.
 1.10 12-Jun-2000  itojun branches: 1.10.2;
nroff nit for SYNOPSIS section. should we translate it to mdoc format?
 1.9 17-Jul-1998  is branches: 1.9.8;
Add path mtu discovery. Idea and code fragments by W. Richard Stevens.
 1.8 04-Oct-1997  christos Fix conflicts.
 1.7 27-Sep-1996  thorpej Add a -l flag, which displays the ttl of the returned packet.
From D'Arcy J.M. Cain <darcy@druid.com>, PR #2773.
 1.6 12-Oct-1995  mycroft Fix tiny documentation error; default timeout is 5s, not 3s.
 1.5 26-Mar-1995  glass new rcsid format. small cleanup
 1.4 04-Jan-1995  mycroft Add a `-g' option for loose source routing, as implemented by John Hawkinson
and I.
 1.3 16-May-1994  mycroft Update from 4.4-Lite.
 1.2 01-Aug-1993  mycroft Add RCS indentifiers.
 1.1 21-Mar-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.3 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.1.1.2 13-Feb-1997  mrg lite2
 1.1.1.1 21-Mar-1993  cgd initial import of 386bsd-0.1 sources
 1.9.8.1 22-Jun-2000  minoura Sync w/ netbsd-1-5-base.
 1.10.2.1 03-Nov-2000  tv Pullup 1.11 [wiz]:
Remove duplicate entry for -d option, fixing misc/11414.
Sort options while I'm here.
 1.84 19-Jan-2018  maxv Fix build failure, the structure is already defined now.
 1.83 17-Feb-2016  christos PR/50821: David Binderman: remove "i <" i <
 1.82 26-Oct-2015  shm Added missed break statement. (Missed break in -z option implicitly implies
-P option)
 1.81 16-Aug-2012  zafer Pretty print multipath routes. From FreeBSD.

ok christos@
 1.80 04-Jan-2012  drochner branches: 1.80.2; 1.80.4;
include <netipsec/ipsec.h> rather than <netinet6/ipsec.h> from userland
where possible, for consistency and compatibility to FreeBSD
(exception: KAME specific statistics gathering in netstat(1) and systat(1))
 1.79 11-Sep-2011  christos branches: 1.79.2;
merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.
 1.78 12-May-2011  christos use err(3) and warn(3) for error and warning printing, tiny knf.
 1.77 10-May-2011  christos Add AS support for traceroute6. While here cleanup both traceroute programs
a bit.
XXX: Error printing on traceroute should be revisited.
 1.76 15-Dec-2010  pooka Use RUMPPRG. I think it's safe to say there's not going to be a
new upstream version of traceroute to import.

AS# lookup is still done using host networking. Rationale: the
relevance to where that data comes from with respect to network
tracing is zero (be it socket, local file, db, whatever).
 1.75 02-Jul-2010  kefren Fix incomplete extensions sanity checks
 1.74 21-Jul-2008  lukem Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.
 1.73 17-Jul-2008  christos Use htonl like ping/traceroute6 do, from Markus Mayer
 1.72 16-Jul-2008  christos PR/39157: Markus Mayer: traceroute not 64 bit aware (struct timeval issue)
 1.71 16-Jan-2008  seanb branches: 1.71.6;
- Set progname before dereference.
 1.70 15-Dec-2007  perry replace instances of __attribute__((__packed__)) with __packed
 1.69 08-Apr-2007  scw branches: 1.69.4;
Undo a workaround for an old SH5 toolchain bug.
No functional change.
 1.68 07-Oct-2006  elad branches: 1.68.2; 1.68.4;
PR/18906: roskens at elfin dot net: misc. select() to poll() updates.

Adapted to -current by myself, thanks for the patch!
 1.67 07-Oct-2006  elad PR/19069: Jun-ichiro itojun Hagino: traceroute(8) and traceroute6(8) can
send packet to udp port 0, which is illegal
 1.66 24-Sep-2006  elad Move socket calls way up and drop root privileges sooner.
 1.65 31-May-2006  rpaulo Add missing coma.
 1.64 31-May-2006  rpaulo It doesn't make sense to print the MPLS ttl here.
While here, make the output look like Cisco IOS. Suggested by Mihai CHELARU.
 1.63 09-May-2006  mrg change (mostly) int to socklen_t. GCC 4 doesn't like that int and
socklen_t are different signness.
 1.62 17-Feb-2006  rpaulo Show MPLS ICMP extensions. Only available if -M is passed.
Example:
RC02-02 (195.245.142.66) 45.707 ms 20.418 ms 34.042 ms [MPLS: label: 515, exp: 0x0, ttl: 1]
gr1-p340.attga.ip.att.net (12.123.20.190) 241.878 ms 251.945 ms [MPLS: label: 32133, exp: 0x0, ttl: 1]


Based on PR 22523: By Jesper Skriver (updated by ww@parc.styx.org and Mihai
CHELARU).

Things not in the PR that I changed/added:
* changed exp and label to lower case
* added ttl (probably not worth it but who knows..)
* KNF/style/indent
* C99 uintXX_t
 1.61 22-Apr-2004  itojun do not disclose endian/pid. henning@openbsd
 1.60 05-Jan-2004  jmmv Homogenize usage messages: make the 'usage' word all lowercase, as this seems
to be the most common practice in our tree.
 1.59 17-May-2003  itojun strncpy -> strlcpy
 1.58 15-May-2003  itojun traceroute.c doesn't use savestr()
 1.57 16-Nov-2002  itojun die if strdup failure
 1.56 16-Nov-2002  itojun strto* audit.
 1.55 01-Oct-2002  itojun poll.h, not sys/poll.h
 1.54 18-Sep-2002  mycroft select() -> poll()
 1.53 12-Aug-2002  itojun it is no use to do SO_DONTROUTE on receive socket. stevesk@openbsd
 1.52 09-Aug-2002  itojun no need for struct timezone. From: Kevin Steves <kevin@atomicgears.com>
 1.51 01-Aug-2002  itojun correct in_cksum2 for odd length case
 1.50 01-Aug-2002  itojun kill register variable decls, they are meaningless these days
 1.49 01-Aug-2002  itojun u_short cleansing (use u_int16_t where appropriate).
XXX in_cksum2 does not seem correct in odd length case
 1.48 11-Jul-2002  scw Work-around an internal compiler error on the SuperH sh5 toolchain.
 1.47 29-Jun-2002  itojun it is highly unlikely that protocol # for ip/icmp to change. from deraadt.
 1.46 26-May-2002  itojun grab max hlim/ttl from kernel via sysctl. sync w/openbsd
 1.45 12-Jan-2002  yamt check if timeout already expired before select.
from OpenBSD/FreeBSD.
 1.44 04-Nov-2001  atatat Add support for printing the AS number associated with the address at
each hop.
 1.43 09-Oct-2001  yamt fix lsrr.
 1.42 12-Jan-2001  itojun correct fd_set allocation. from deraadt
 1.41 07-Oct-2000  itojun avoid fd_set overflow. see openbsd select(2).
XXX should we use poll(2)?
 1.40 30-Sep-2000  sommerfeld Avoid using savestr() on something which will later be passed to
free(). Raised as a potential security issue on bugtraq. No actual
exploits known.
 1.39 31-Jan-2000  itojun branches: 1.39.4;
sync with latest libipsec/kernel.
 1.38 25-Jan-2000  sommerfeld Fix use of -I and -P at the same time by refactoring so there's only
one set of code which knows how to resize the packet.
Report when we shrink MTU because of an EMSGSIZE return; fix
formatting to let this not look ugly.
Add a few likely MTU's to the table (1480 and 1280).
 1.37 03-Sep-1999  itojun configure IPsec policy on sending/receiving socket for bypassing IPsec.

If IPsec default policy is configured for destination
traceroute will never success (because encrypted icmp timexceeded
is unrecognizable).
 1.36 19-Jun-1999  kim Only require half of the responses to indicate that the destination is
unreachable. This makes traceroute exit when it encounters a Cisco, which
typically does not respond to every other probe (or so) when either there
is no route to the destionation or an access list is blocking the probes.
 1.35 16-Jun-1999  is Add sanity check for MTU size in fragmentation required packets.
 1.34 16-Jun-1999  is Factor out common code in the fragmentation required branch.
 1.33 16-Jun-1999  is Don't forget to update the UDP length when changing the packet length.
Reported by Johan Danielsson in PR 7781; the fix is an updated version
(by the same person) of the patch in the PR.
 1.32 16-Jun-1999  is Cosmetics: a) add missing \n-s, b) this is ntohs, not htons, here.
 1.31 05-Jun-1999  tron Fix byte ordering problem on little endian systems. Patch supplied by
Jarle Greipsland in PR bin/7700.
 1.30 17-Feb-1999  christos branches: 1.30.2;
Limit wait time, so that people cannot use this as a flooding tool.
From bugtraq, but fixed differently than suggested.
 1.29 16-Feb-1999  cjs Oops. We don't need limits.h in this program.
 1.28 16-Feb-1999  cjs If not root, make sure source address matches a local interface.
 1.27 16-Feb-1999  cjs Check select() return value, and abort the program if an error is
returned. Otherwise after sending a packet, select() may return
immediately (if there's an error of some sort) and traceroute
solders on, sending more packets with no delay in between. This is
effectively a small flood attack.
 1.26 09-Dec-1998  tron Use a little bit of magic suggested by Ken Hornstein to find an
appropriate source address for the UDP packets. Fixes PR bin/4427
by Luke Mewburn.
 1.25 27-Aug-1998  ross {} fixes from Erik Bertelsen <erik@erik-be.uni-c.dk> (PR 6047) to shut up egcs.
 1.24 17-Jul-1998  is Add path mtu discovery. Idea and code fragments by W. Richard Stevens.
 1.23 06-Jul-1998  mrg - use an array MAXHOSTNAMELEN+1 size to hold hostnames
- ensure hostname from gethostname() is nul-terminated in all cases
- minor KNF
- use MAXHOSTNAMELEN over various other values/defines
- be safe will buffers that hold hostnames
 1.22 04-Jul-1998  mrg ensure we do not overrun errbuf.
 1.21 03-Nov-1997  ross Much cleaner fix for alignment error bug.
 1.20 31-Oct-1997  ross Eliminate some alignment assumptions in packed IP/UDP frames. (port-alpha issue)
 1.19 17-Oct-1997  lukem branches: 1.19.2;
getopt returns -1 not EOF
 1.18 04-Oct-1997  christos Fix conflicts.
 1.17 02-Sep-1997  is Make it recognize ICMP_UNREACH_ADMIN_PROHIBITED (type 13) as !A, and print
!{number} for unknown numbers.
This patch is part of PR 4038 by Havard Eidnes <he@vader.runit.sintef.no>,
who in turn did loosely base his patch on the FreeBSD 2.2.2 version.
 1.16 13-Apr-1997  mrg be safe with buffers.
 1.15 27-Sep-1996  thorpej Add a -l flag, which displays the ttl of the returned packet.
From D'Arcy J.M. Cain <darcy@druid.com>, PR #2773.
 1.14 11-Sep-1996  explorer fix two security holes; recently posted to freebsd-bugs
 1.13 16-Aug-1996  explorer Do the timeout in bin/2701 a bit differently.
 1.12 16-Aug-1996  explorer Fix traceroute timeout problems and a printing problem. Closes pr bin/2701
 1.11 30-Jun-1996  jtc Fixed reversed inet_aton condition test; From PR #2579
 1.10 21-May-1995  mycroft Use inet_aton(), not inet_addr().
 1.9 27-Mar-1995  glass botched rcsid fix completely..
 1.8 26-Mar-1995  glass new rcsid format. small cleanup
 1.7 21-Mar-1995  mycroft Remove unused tvsub().
 1.6 04-Jan-1995  mycroft Convert a few more.
 1.5 04-Jan-1995  mycroft Convert some things to use err*()/warn*().
 1.4 04-Jan-1995  mycroft Add a `-g' option for loose source routing, as implemented by John Hawkinson
and I.
 1.3 16-May-1994  mycroft Update from 4.4-Lite.
 1.2 01-Aug-1993  mycroft Add RCS identifiers.
 1.1 21-Mar-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.3 03-Oct-1997  christos Import LBL's traceroute-1.4a5
 1.1.1.2 13-Feb-1997  mrg lite2
 1.1.1.1 21-Mar-1993  cgd initial import of 386bsd-0.1 sources
 1.19.2.2 04-Nov-1997  mellon Pull rev 1.21 up from trunk (ross)
 1.19.2.1 01-Nov-1997  mellon Pull rev 1.20 up from trunk (ross)
 1.30.2.3 19-Oct-2000  he Pull up revision 1.40 (requested by sommerfeld):
Avoid using savestr() on something which will later be passed to
free(). Raised as a potential security issue on bugtraq. No
actual exploits known.
 1.30.2.2 28-Jun-1999  perry pullup 1.35->1.36 (Kimmo Suominen)
 1.30.2.1 23-Jun-1999  perry pullup 1.30->1.31, 1.32->1.33 (is)
 1.39.4.2 18-Oct-2000  tv Pullup 1.41 [itojun]:
avoid fd_set overflow
 1.39.4.1 30-Sep-2000  sommerfeld src/usr.sbin/traceroute/traceroute.c 1.40

Avoid calling savestr() to create a string which will later be passed
to free()

Pull up approved by jhawk.
 1.68.4.1 03-Sep-2007  wrstuden Sync w/ NetBSD-4-RC_1
 1.68.2.1 19-Jul-2007  liamjfoy Pull up following revision(s) (requested by soren in ticket #774):
build.sh: revision 1.169
gnu/usr.bin/gcc4/backend/Makefile: revision 1.9
sys/arch/evbsh5/README: revision 1.1
distrib/notes/common/contents: revision 1.124
usr.sbin/ndbootd/ndbootd.c: revision 1.12
gnu/lib/libopcodes/arch/sh3eb/defs.mk: revision 1.4
gnu/lib/libbfd/arch/sh3eb/defs.mk: revision 1.8
libexec/ld.elf_so/Makefile: revision 1.78
gnu/dist/binutils/bfd/config.bfd: revision 1.14
doc/HACKS: revision 1.93
distrib/cdrom/current.conf: revision 1.8
gnu/lib/libgcc4/Makefile.inc: revision 1.6
share/mk/sys.mk: revision 1.90
distrib/sets/lists/base/mi: revision 1.700
libexec/ld.elf_so/rtld.c: revision 1.112
distrib/sets/lists/base/mi: revision 1.702
sys/arch/sh5/README: revision 1.1
gnu/lib/libbfd/arch/sh3el/bfd.h: revision 1.7
usr.sbin/traceroute/traceroute.c: revision 1.69
distrib/notes/common/main: revision 1.330
distrib/notes/common/list-setsizes.sh: revision 1.2
sys/arch/Makefile: revision 1.35
gnu/lib/libopcodes/arch/sh3el/defs.mk: revision 1.4
gnu/lib/libbfd/arch/sh3el/defs.mk: revision 1.8
share/mk/bsd.own.mk: revision 1.495
gnu/lib/libbfd/arch/sh3eb/bfd.h: revision 1.7
x11/lib/OSmesa/Makefile: revision 1.20
sys/dev/dkwedge/dkwedge_bsdlabel.c: revision 1.13
gnu/dist/binutils/opcodes/configure.in: revision 1.2
gnu/dist/binutils/opcodes/configure: revision 1.2
gnu/usr.bin/send-pr/categories: revision 1.53
etc/mtree/NetBSD.dist: revision 1.339
sys/arch/README: revision 1.42
lib/libc/gdtoa/Makefile.inc: revision 1.6
usr.bin/crunch/crunchide/Makefile: revision 1.16
sys/lkm/net/bsdcomp/Makefile: revision 1.5
regress/sys/uvm/Makefile: revision 1.6
etc/MAKEDEV.awk: revision 1.18
x11/Xserver/GL/GLcore/Makefile.GLcore: revision 1.10
sys/contrib/dev/ath/netbsd/Makefile.ath.inc: revision 1.14
gnu/lib/libbfd/Makefile: revision 1.42
doc/RESPONSIBLE: revision 1.78
Remove evbsh5.
 1.69.4.2 23-Mar-2008  matt sync with HEAD
 1.69.4.1 09-Jan-2008  matt sync with HEAD
 1.71.6.1 18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.79.2.2 30-Oct-2012  yamt sync with head
 1.79.2.1 17-Apr-2012  yamt sync with head
 1.80.4.1 01-Nov-2012  matt sync with netbsd-6-0-RELEASE.
 1.80.2.1 01-Oct-2012  riz Pull up following revision(s) (requested by zafer in ticket #573):
usr.sbin/traceroute/traceroute.c: revision 1.81
Pretty print multipath routes. From FreeBSD.
ok christos@
 1.2 18-Aug-2019  kamil traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.1 15-Dec-2010  pooka branches: 1.1.46; 1.1.48;
Use RUMPPRG. I think it's safe to say there's not going to be a
new upstream version of traceroute to import.

AS# lookup is still done using host networking. Rationale: the
relevance to where that data comes from with respect to network
tracing is zero (be it socket, local file, db, whatever).
 1.1.48.1 19-Aug-2019  martin Pull up following revision(s) (requested by kamil in ticket #92):

usr.sbin/traceroute/ifaddrlist.c: revision 1.11
usr.sbin/traceroute/traceroute_rumpops.c: revision 1.2
usr.sbin/traceroute/traceroute_hostops.c: revision 1.2
usr.sbin/traceroute/Makefile: revision 1.20
usr.sbin/traceroute/prog_ops.h: revision 1.2

traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.1.46.1 13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.2 18-Aug-2019  kamil traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.1 15-Dec-2010  pooka branches: 1.1.46; 1.1.48;
Use RUMPPRG. I think it's safe to say there's not going to be a
new upstream version of traceroute to import.

AS# lookup is still done using host networking. Rationale: the
relevance to where that data comes from with respect to network
tracing is zero (be it socket, local file, db, whatever).
 1.1.48.1 19-Aug-2019  martin Pull up following revision(s) (requested by kamil in ticket #92):

usr.sbin/traceroute/ifaddrlist.c: revision 1.11
usr.sbin/traceroute/traceroute_rumpops.c: revision 1.2
usr.sbin/traceroute/traceroute_hostops.c: revision 1.2
usr.sbin/traceroute/Makefile: revision 1.20
usr.sbin/traceroute/prog_ops.h: revision 1.2

traceroute: Add indirection of symbol to remove clash with sanitizers

Add indirection and symbol renaming under MKSANITIZER for the linked in
version of getifaddrs.
 1.1.46.1 13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.4 16-Jun-1999  is Fix typo.
 1.3 26-Feb-1999  christos We have RAW_OPTIONS so enable them.
 1.2 25-Oct-1997  lukem use CPPFLAGS instead of CFLAGS
 1.1 04-Oct-1997  christos Make imports easier.
 1.3 11-Sep-2011  christos merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.
 1.2 16-Jan-2001  cgd Don't forget the trailing newline.
 1.1 03-Oct-1997  christos branches: 1.1.1;
Initial revision
 1.1.1.1 03-Oct-1997  christos Import LBL's traceroute-1.4a5

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