is
7807c9a493
Fixes PR 7489 by Olaf Seibert. Fix by Zdenek Salvet (PR 7497).
1999-05-04 20:50:35 +00:00
hwr
d313e75afe
It does not make much sense to increase a "output" counter on input.
1999-05-04 20:13:09 +00:00
hwr
3fa094f8b5
Don't let packets with a Class-D source address escape the host.
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Fixes second half of kern/7003 by Jonathan Stone <jonathan@DSG.Stanford.EDU>.
1999-05-04 19:50:23 +00:00
is
7470bd006a
Fix for PR 7490 by Olaf Seibert, fix mostly from PR 7497 bei Zdenek Salvet,
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but with more verbose error messages.
1999-05-04 14:58:27 +00:00
thorpej
3faa72bd56
Fix an ininitialized variable that the MIPS compiler caught (but the
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SPARC, Alpha, Arm, and i386 compilers missed).
1999-05-03 23:30:27 +00:00
thorpej
a40dff106e
In INADDR_TO_IA(), skip interfaces which are not up. Revert previous change
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to ip_input.c to check the interface status after INADDR_TO_IA().
Fix cooked up by Heiko Rupp and myself.
Fixes PR 7480.
1999-05-03 22:12:44 +00:00
hwr
33a8a5933b
Drop packets, that have a Class-D address as source address.
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Implements the first half of PR 7003.
1999-05-03 21:14:47 +00:00
thorpej
2cd33a0ce1
Implement retransmit logic for the SYN cache engine. Fixes a rare condition
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where one side can think a connection exists, where the other side thinks
the connection was never established.
The original problem was first reported by Ty Sarna in PR #5909 . The
original fix I made to the code didn't cover all cases. The problem this
fix addresses was reported by Christoph Badura via private e-mail.
Many thanks to Bill Sommerfeld for helping me to test this code, and
for finding a subtle bug.
1999-04-29 03:54:22 +00:00
hwr
fb7871d6b2
If the incoming code value is 0, timer gets 0, which would mean
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a divide by zero afterwards.
This is also, what Bill Fenner seems to have done in the FreeBSD igmp
code.
This should fix kern/6541.
1999-04-25 10:26:29 +00:00
simonb
be3adbebcc
Don't extern sb_max, <sys/socketvar.h> provides a definition.
1999-04-22 01:32:30 +00:00
kml
a7f8ef5e9b
Ensure that out of window SYNs receive an ACK in responce, rather than
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being dropped. This fixes a bug reported by Jason Thorpe.
1999-04-09 22:01:07 +00:00
proff
8775e52947
tiny KNF change
1999-04-07 05:34:32 +00:00
proff
ae938abb49
Prevent reception of packets on downed interfaces (via an up interface).
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fixes kern/7327
1999-04-07 02:31:05 +00:00
tron
1b27086b7e
- Make sure that interface can't be marked up before a route to the remote
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tunnel end was found.
- Flush route and reset MTU if interface is marked down.
1999-04-04 09:10:27 +00:00
tron
ef85f04fcb
Avoid kernel panic if interface is configured before a route to the
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remote of the tunnel can be found.
XXX If you manually mark the interface as "UP" and set the MTU later
XXX sending a packet will still cause a kernel panic.
1999-04-04 00:21:53 +00:00
hwr
3f5c626e42
Setting of source and destination IP is not done by
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passing SIOCSIFADDR/SIOIFDSTADDR, but by passing the addresses in
the appropriate structs.
One of the mysteries of ifconfig IMHO...
Should fix kern/6899.
1999-04-02 20:39:23 +00:00
mycroft
742a052418
Fix a null pointer dereference in the case where forwarding is turned on and
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there are interfaces up but with no addresses.
1999-03-30 19:02:56 +00:00
nathanw
9c6754cd69
Alpha printf format fixes.
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Closes PR kern/7258.
1999-03-27 21:47:59 +00:00
aidan
da1b3a7abf
Added per-addr input/output statistics. Currently just support netatalk
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and netinet, currently only tested under netinet.
Disabled by default, enabled by compiling the kernel with option
IFA_STATS. Enabling this feature seems to make the ip_output function
take 13% longer than before, which should be OK for people that need
this feature.
1999-03-27 01:24:49 +00:00
proff
85ab19698a
security: test for ip_len < ip_hl <<2 and drop packet accordingly
1999-03-26 08:51:35 +00:00
lukem
8a931fcdd8
Ensure that you can only bind a more specific address when it is done by the
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same uid or by root.
This code is from FreeBSD. (Whilst it was originally obtained from OpenBSD,
FreeBSD fixed it to work with multicast. To quote the commit message:
- Don't bother checking for conflicting sockets if we're binding to a
multicast address.
- Don't return an error if we're binding to INADDR_ANY, the conflicting
socket is bound to INADDR_ANY, and the conflicting socket has
SO_REUSEPORT set.
)
1999-03-23 10:45:37 +00:00
bad
a5283c98c0
Add support for Token-Ring source routes in the ARP cache.
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By Onno van der Linden.
1999-03-22 22:30:42 +00:00
perry
d446fb449c
exterminate ovbcopy. patches provided by Erik Bertelsen, pr-7145
1999-03-12 22:42:30 +00:00
mycroft
c6d172438d
Minor cleanup to use LONG_SUM() and CALC_SUMD() more.
1999-03-05 07:27:09 +00:00
explorer
cff4c9630b
Don't mix in data just to stir the rnd pool. Extracting data will do that,
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any network packets received might, too, so this is already taken care of.
1999-02-28 13:41:24 +00:00
drochner
918dfd95e1
-always do an RARP if revarpwhoarewe() is called, it might be for another
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interface or the server's configuration has changed
-g/c revarpwhoami()
1999-02-21 15:17:14 +00:00
matt
7ebd19d744
According to Dave Borman, the iss should be using snd_nxt and not rcv_nxt
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(from tcp_impl mailing-list).
1999-02-05 22:37:24 +00:00
explorer
25d32ef34d
REALLY only update the window when we get an ACK. (the old code seemed broken)
1999-02-04 22:58:37 +00:00
cjs
8befad84b1
Remove SCCS markers and make these compile in $NetBSD$ IDs.
1999-02-02 19:57:30 +00:00
thorpej
a350d7b28b
Set the tunnel destination address correctly. Should fix PR #6899 .
1999-02-02 07:20:13 +00:00
marc
5f688e6632
remove gre_softc declaration; the symbol is no longer used in this
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file.
1999-02-02 07:10:45 +00:00
mycroft
5e373d307f
Clear mfchashtbl after it's deallocated, to kill a stray pointer. Fixes PR
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5400.
1999-02-01 15:09:46 +00:00
thorpej
a22cfcf3d4
Make programs that use raw IP work again; trim the header length from ip_len
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before handing the packet off to the socket.
1999-01-30 21:43:16 +00:00
itohy
7751c2e2eb
~htons(...) is always negative.
1999-01-28 21:29:27 +00:00
thorpej
6c30816c15
Fix a slight error in previous. Rearrange some code in tcp_respond() so
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that a DIAGNOSTIC check against the destination address is actually
checking the destination address. "oops."
1999-01-26 08:28:50 +00:00
mycroft
8ede79f2b4
One more tweak to the checksum hack, and I promise I'm done. B-)
1999-01-25 15:53:29 +00:00
mycroft
50438b6df0
Absolutely minor tweak to generate better code.
1999-01-25 15:36:50 +00:00
mycroft
70e6acdfef
Update the comment about the checksum hack. It was way out of date.
1999-01-24 13:34:35 +00:00
mycroft
94895652e1
Modify the checksum slightly so that the htons()s can all be combined.
1999-01-24 12:57:38 +00:00
thorpej
a58f271406
Oops, forgot to update copyright notice in previous.
1999-01-24 01:21:18 +00:00
thorpej
86e2c3fbc6
* Completely rewrite syn_cache_respond().
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- Don't use tcp_respond(), instead create the tcp/ip header from scratch,
and send it ourself.
- Reuse the mbuf that carried the SYN, or allocate one if that is not
available.
- Cache the route we look up to do the Path MTU Discovery check, and
transfer the reference to that route to the inpcb when the connection
completes.
* Macro'ize a small, but often repeated code fragment.
1999-01-24 01:19:28 +00:00
mycroft
b790730226
Fix problems with fr_tcpsum() that prevented the FTP proxy from working.
1999-01-23 08:50:52 +00:00
thorpej
a43786143f
Fix a problem pointed out by Charles Hannum; DF wasn't being set in
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SYN,ACK packets during Path MTU Discovery. Fix tcp_respond() to do the
appropriate route lookup and set DF as appropriate.
Also, fixup similar code in tcp_output() to relookup the route if it
is down.
1999-01-20 03:39:54 +00:00
mycroft
231a906c71
There's just no plausible reason to byte-swap ip_id internally. It's opaque.
1999-01-19 23:39:56 +00:00
mycroft
7eeb5a04da
Don't screw with ip_len; just subtract from it where we actually use the
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value.
1999-01-19 23:03:20 +00:00
mycroft
d3ea3de1af
Fix byte-swapping of ip_len in returned IP header.
1999-01-19 22:10:42 +00:00
mycroft
fc1211a6ab
Don't overwrite the checksum fields when checking them. There's no reason to
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do this, and it screws up ICMP replies.
XXX The returned IP checksum and length are still wrong.
1999-01-19 21:58:40 +00:00
thorpej
4b0e6bb4dc
Domains are associated with protocol families, not address families.
1999-01-14 01:16:55 +00:00
thorpej
98d3903da8
Use the count supplied to the pseudo-device attach routine to dynamically
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allocate (once) the ipip_softc array; don't assume NIPIP contains the count.
1999-01-13 23:01:20 +00:00
thorpej
555784ccd5
Fix byte order and ip_len inconsistencies in ICMP reply code. Also, fix
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some formatting and HTONS(foo) vs. foo = htons(foo) inconsistencies.
PR #6602 , Darren Reed.
1999-01-11 22:35:06 +00:00