341453a017
Remove duplicate entry for -d option, fixing misc/11414.
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Sort options while I'm here.
2000-11-02 18:16:43 +00:00
6626345485
avoid fd_set overflow. see openbsd select(2).
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XXX should we use poll(2)?
2000-10-07 06:53:41 +00:00
802499fd1c
Avoid using savestr() on something which will later be passed to
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free(). Raised as a potential security issue on bugtraq. No actual
exploits known.
2000-09-30 12:44:37 +00:00
9dea945457
nroff nit for SYNOPSIS section. should we translate it to mdoc format?
2000-06-12 16:26:13 +00:00
4e4447b130
use getifaddrs, not SIOCGIFCONF, to avoid complex alignment constraints.
2000-04-13 07:53:29 +00:00
a58fc4d3b8
sync with latest libipsec/kernel.
2000-01-31 14:25:42 +00:00
0cd03c86b4
Fix use of -I and -P at the same time by refactoring so there's only
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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).
2000-01-25 16:24:32 +00:00
e33da94c5b
configure IPsec policy on sending/receiving socket for bypassing IPsec.
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If IPsec default policy is configured for destination
traceroute will never success (because encrypted icmp timexceeded
is unrecognizable).
1999-09-03 03:10:38 +00:00
6f775308a6
Only require half of the responses to indicate that the destination is
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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.
1999-06-19 05:07:44 +00:00
b5937495f5
Fix typo.
1999-06-16 20:47:57 +00:00
38f1211404
Add sanity check for MTU size in fragmentation required packets.
1999-06-16 20:43:48 +00:00
847d4766be
Factor out common code in the fragmentation required branch.
1999-06-16 20:10:07 +00:00
a11ec6ccb8
Don't forget to update the UDP length when changing the packet length.
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Reported by Johan Danielsson in PR 7781; the fix is an updated version
(by the same person) of the patch in the PR.
1999-06-16 13:52:58 +00:00
6f6fd8467a
Cosmetics: a) add missing \n-s, b) this is ntohs, not htons, here.
1999-06-16 13:26:16 +00:00
ab86ce8dab
Fix byte ordering problem on little endian systems. Patch supplied by
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Jarle Greipsland in PR bin/7700.
1999-06-05 09:50:39 +00:00
974dcb4997
We have RAW_OPTIONS so enable them.
1999-02-26 22:43:03 +00:00
3004daca95
Allow non-root users to use ALIASES on real interfaces or on lo0.
1999-02-24 21:21:24 +00:00
0b8b373b79
Limit wait time, so that people cannot use this as a flooding tool.
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From bugtraq, but fixed differently than suggested.
1999-02-17 07:17:28 +00:00
b3523bee1d
Oops. We don't need limits.h in this program.
1999-02-16 23:27:43 +00:00
b8bcd9b643
If not root, make sure source address matches a local interface.
1999-02-16 23:18:40 +00:00
8164a79fad
Check select() return value, and abort the program if an error is
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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.
1999-02-16 20:47:24 +00:00
8c2d809b71
Use a little bit of magic suggested by Ken Hornstein to find an
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appropriate source address for the UDP packets. Fixes PR bin/4427
by Luke Mewburn.
1998-12-09 22:53:29 +00:00
b1934d6034
{} fixes from Erik Bertelsen <erik@erik-be.uni-c.dk> (PR 6047) to shut up egcs.
1998-08-27 20:31:00 +00:00
a9f772b8bb
Add path mtu discovery. Idea and code fragments by W. Richard Stevens.
1998-07-17 23:45:24 +00:00
32f519716b
- use an array MAXHOSTNAMELEN+1 size to hold hostnames
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- 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
1998-07-06 06:56:06 +00:00
26b338e7f0
ensure we do not overrun errbuf.
1998-07-04 20:47:24 +00:00
4b634c4e10
Much cleaner fix for alignment error bug.
1997-11-03 21:17:17 +00:00
ba9c8e00db
Eliminate some alignment assumptions in packed IP/UDP frames. (port-alpha issue)
1997-10-31 23:32:24 +00:00
0a94f4f077
use CPPFLAGS instead of CFLAGS
1997-10-25 06:57:53 +00:00
f5bf267d90
enable WARNS=1 by default, but disable in unclean 3rd party code
1997-10-18 06:42:25 +00:00
2ba239a7a3
getopt returns -1 not EOF
1997-10-17 13:57:02 +00:00
faa16d67af
Include <string.h> and use proper types for str*() so that this compiles
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on the Alpha. Also remove register decl's while I'm here.
1997-10-08 20:47:38 +00:00
f2a271f76d
Make imports easier.
1997-10-04 16:33:04 +00:00
89ab9fcd0f
Fix conflicts.
1997-10-04 16:31:24 +00:00
313a9cff6b
Import LBL's traceroute-1.4a5
1997-10-03 22:25:12 +00:00
3845c4168d
Make it recognize ICMP_UNREACH_ADMIN_PROHIBITED (type 13) as !A, and print
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!{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.
1997-09-02 21:48:50 +00:00
b6bb351e9c
be safe with buffers.
1997-04-13 13:45:02 +00:00
a4cf268e76
lite2
1997-02-13 05:39:12 +00:00
af1f12dc6e
Add a -l flag, which displays the ttl of the returned packet.
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From D'Arcy J.M. Cain <darcy@druid.com>, PR #2773 .
1996-09-27 01:34:51 +00:00
4f6bc4307e
fix two security holes; recently posted to freebsd-bugs
1996-09-11 23:53:38 +00:00
1e7535e577
Do the timeout in bin/2701 a bit differently.
1996-08-16 21:36:18 +00:00
4022c55a29
Fix traceroute timeout problems and a printing problem. Closes pr bin/2701
1996-08-16 20:47:31 +00:00
fe16013cee
Fixed reversed inet_aton condition test; From PR #2579
1996-06-30 22:51:11 +00:00
34b0d58fba
Fix tiny documentation error; default timeout is 5s, not 3s.
1995-10-12 03:05:50 +00:00
800709ce22
Use inet_aton(), not inet_addr().
1995-05-21 15:50:45 +00:00
1290cb93c0
botched rcsid fix completely..
1995-03-27 02:24:13 +00:00
bbb6bf7c90
new rcsid format. small cleanup
1995-03-26 21:45:18 +00:00
58b580b79b
Remove unused tvsub().
1995-03-21 14:29:14 +00:00
28667663d2
Clean up deleted files.
1995-01-04 05:13:04 +00:00
e1dcc80293
Convert a few more.
1995-01-04 04:47:42 +00:00
wiz