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538 Commits

Author SHA1 Message Date
lukem
8a931fcdd8 Ensure that you can only bind a more specific address when it is done by the 
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. 
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, 
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 
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 
(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 
file.
 1999-02-02 07:10:45 +00:00
mycroft
5e373d307f Clear mfchashtbl after it's deallocated, to kill a stray pointer. Fixes PR 
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 
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 
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(). 
- 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 
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 
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 
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 
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 
some formatting and HTONS(foo) vs. foo = htons(foo) inconsistencies.

PR #6602, Darren Reed.
 1999-01-11 22:35:06 +00:00
thorpej
6ae68b4feb Pull the IP-in-IP tunneling support out of the GRE code. It's not handled 
by a separate IP-IP input path.

XXX Should eventually do the same thing for IPPROTO_MOBILE.
 1999-01-11 21:32:13 +00:00
thorpej
9508f259bf Adjust for the new IP-IP input path. mrt_ipip_input() is called from 
ipip_input(), and returns non-zero if mrt_ipip_input() handled the
packet.

XXX Eventually, the multicast code should probably use regular IP-IP
XXX `interfaces', but mrouted knows about the VIF table, etc.
 1999-01-11 21:31:03 +00:00
thorpej
9d996b9e4e Adjust for the new IP-IP input path. 1999-01-11 21:28:28 +00:00
thorpej
9f9be750f6 Separate out the IP-in-IP implementation from the GRE code. This cleans 
up the interface to ip_mroute.c somewhat, and properly separates IP-IP
from GRE.  (They are similar, but they are different protocols, and should
not be implemented in the same place.)
 1999-01-11 21:26:53 +00:00
thorpej
5f69dedb2c ipip_input() -> mrt_ipip_input(). 1998-12-22 02:51:32 +00:00
thorpej
54377d1212 Simplify the tunnel lookup routine. 1998-12-22 01:49:04 +00:00
thorpej
12632ebf71 Reverse the copyright-notice-swap. It went against existing practice. 1998-12-19 02:46:12 +00:00
thorpej
4f177aec90 Add a lock around the TCPCB's sequence queue, to prevent tcp_drain() 
from corrupting the queue if called from a device's interrupt context.

Similar in nature to the problem reported in PR #5684.
 1998-12-18 21:38:02 +00:00
thorpej
ca15e01c76 Add a lock around the IP fragment reassembly queue, to prevent ip_drain() 
from corrupting the queue if called from a device's interrupt context.

Should fix PR #5684.
 1998-12-18 21:35:11 +00:00
thorpej
93454aafc6 Delay sending if SS_MORETOCOME is set in so_state. This avoids the case 
where the user issued a write with a length greater than MLEN but less
than MINCLSIZE, thus causing two mbufs to be used.  The loop in sosend()
would then call PRU_SEND twice, causing TCP to transmit 2 packets when
it could have transmitted one.

Suggested by Justin Walker <justin@apple.com> on the freebsd-net
mailing list.
 1998-12-16 00:33:14 +00:00
mrg
2f2fd097ef remove this insanity. appeared with ipfilter 3.2.10... 1998-12-11 23:47:16 +00:00
drochner
914642e439 correction to the previous: protect against _LKM too 
pointed out by Todd Whitesel <toddpw@best.com>
 1998-12-11 11:57:33 +00:00
drochner
36b809fed6 correcton tp previous: don't try to include kernel option headers in 
userland
fixes PR kern/6561 (Takahiro Kambe)
 1998-12-11 09:15:42 +00:00
christos
ce96f9960a defopt IPFILTER_LOG 1998-12-10 15:50:59 +00:00
christos
c7578c510a defopt 1998-12-10 11:01:01 +00:00
mrg
a94214bdd0 add a patch from darren reed, to make ipfilter use our cksum routine. 1998-11-26 12:21:47 +00:00
sommerfe
0cdf66e377 Fragments should start with a header mbuf allocated by MGETHDR() 1998-11-25 21:13:58 +00:00
mrg
4dd9bebb58 add two more prototypes. noted missing by mjacob. 1998-11-22 23:30:36 +00:00
mrg
78db9d7d95 merge ipf 3.2.10 1998-11-22 15:17:18 +00:00
lukem
0cd1643609 if INADDR_ANY is given in in_pcbconnect(), choose the ia_addr of the first 
interface, not the ia_broadaddr.  should fix [standards/5645] and [kern/6425]
 1998-11-16 05:47:19 +00:00