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199 Commits

Author SHA1 Message Date
thorpej 096b0d6c6e In udp_output(), sanity check the length of the packet to be transmitted. 
If it's larger than IP_MAXPACKET, return an error condition.
Based on a patch from Bill Fenner <fenner@parc.xerox.com>
 1996-10-25 06:35:16 +00:00
thorpej 59bbc2199e In rip_output(), sanity check the length of the packet to be transmitted. 
If it's larger than IP_MAXPACKET, return an error condition.
Based on a patch from Bill Fenner <fenner@parc.xerox.com>
 1996-10-25 06:33:36 +00:00
thorpej e55c8a9c7e Before concatenating frags, sanity check the length of the packet. If it's 
larger than IP_MAXPACKET, discard it.
Based on a patch from Bill Fenner <fenner@parc.xerox.com>
 1996-10-25 06:30:32 +00:00
thorpej 65c188b3c7 Make length and offset fields unsigned. From Kevin M. Lahey <kml@nas.nasa.gov> 
Add a counter to IP stats, to count packets which are discarded on the
grounds that they are too large.
 1996-10-25 06:24:16 +00:00
thorpej ee34a9ab6d Make length and offset fields unsigned. From Kevin M. Lahey <kml@nas.nasa.gov> 1996-10-25 06:22:24 +00:00
veego b962d9a3eb Fix a panic from the pfil_hooks. 1996-10-22 11:27:05 +00:00
ws 31bdb14ed5 Rename recently checked in KGDB to IPKDB to resolve conflicts with older KGDB 1996-10-16 19:32:08 +00:00
christos ad67e04154 backout previous kprintf change 1996-10-13 16:50:51 +00:00
christos 5545959d0b backout previous kprintf changes 1996-10-13 02:03:00 +00:00
is 08899f4a1b Fix a mbuf leak in ip_output(). 
Scenario: If ip_insertoptions() prepends a new mbuf to the chain, the
bad: label's m_freem(m0) still would free only the original mbuf chain
if the transmission failed for, e.g., no route to host; resulting in
one lost mbuf per failed packet. (The original posting included a
demonstration program).

Original report of this bug was by jinmei@isl.rdc.toshiba.co.jp
(JINMEI Tatuya) on comp.bugs.4bsd.
 1996-10-11 18:19:08 +00:00
christos 6d7ad25bea printf -> kprintf, sprintf -> ksprintf 1996-10-10 23:12:43 +00:00
christos 2768f040b3 - fix NSIP; it referenced non-existing functions. 1996-10-10 23:04:26 +00:00
thorpej 63a2506f79 Merge netbsd-1-2 branch back into mainline. 1996-10-09 01:15:04 +00:00
ws 093a00671f Add (and change) machine independent files for KGDB support 1996-09-30 16:16:45 +00:00
perry 17fcad6b2c commit fix in pr 2772 -- the IP input code was assuming that the 
reserved (must be zero) flag must necessarily be zero. We now define
an IP_RF (by analogy to IP_DF and IP_MF) and mask it out when necessary.
 1996-09-21 19:44:32 +00:00
mycroft d6121891ef Overlay inp_faddr and inp_laddr into the header prototype. 1996-09-17 17:10:20 +00:00
mycroft 457b1b1333 Make sure the sin_zero fields are filled. 1996-09-16 17:45:17 +00:00
mycroft 9bfa240a98 Hash unconnected PCBs. 1996-09-15 18:11:06 +00:00
mrg a5f00f16bc move the packet filter hooks in to a saner location. while i'm here, rename 
PACKET_FILTER to PFIL_HOOKS.
 1996-09-14 14:40:20 +00:00
mrg 4b851a2d9b remove an unused variable. 1996-09-14 12:35:07 +00:00
mrg df4a844f44 forward decl. struct mbuf (for now). 1996-09-12 23:11:40 +00:00
explorer f5a52c4260 Move an #ifdef _KERNEL up above all the packet filter stuff. This 
could very well break the packet filter stuff, but it will make things
like rcp.c compile, and rcp.c should not need to include sys/mbuf.h
to do so...
 1996-09-12 22:56:03 +00:00
mycroft da2cd7eb82 If we're in SYN-SENT or SYN-RECEIVED state, don't reset the keepalive 
timer until we transition to ESTABLISHED state.  Suggested by TCP/IP
vol 3.
 1996-09-10 23:26:05 +00:00
mycroft 9bb1acd303 Rework the token bucket filter to use a list of packets rather than a static 
array.  Also, fix several memory leaks.  From Bill Fenner.
 1996-09-09 17:14:04 +00:00
mycroft 23437fc3d2 Cosmetic changes, some from Bill Fenner. 1996-09-09 17:09:50 +00:00
mycroft 62a6cce9ca Add in_nullhost() and in_hosteq() macros, to hide some protocol 
details.  Also, fix a bug in TCP wrt SYN+URG packets.
 1996-09-09 14:51:07 +00:00
mycroft f5c7d8bcc1 Save 68 bytes of the packet for ICMP, not 64. From Laine Stump, PR 2296. 1996-09-08 15:49:43 +00:00
mrg e27343e07d fix a couple of minor nits after discussions with jason. 1996-09-07 04:55:16 +00:00
mrg ae47956db0 add packet filter interface code. see pfil(9) for more details. you 
need the PACKET_FILTER option to enable this code.  currently, ipfilter
version 3.1.1-beta has been converted to use this new interface.
 1996-09-06 05:07:43 +00:00
perry 94a217e163 Commit PR 2671, which adds an "IPNOPRIVPORTS" config option that turns 
off the code that normally only allows root to bind low TCP
ports. Useful on firewalls and such.
 1996-09-05 18:10:03 +00:00
thorpej 3ca11aa1ad Fix some DIAGNOSTIC printf() formats; ntohl() provides a 32-bit quantity, 
and should be printed with %x, not %lx.
 1996-08-14 03:46:44 +00:00
neil 78bddbd393 Prototypes and definitions for ICMP Router Discovery, From FreeBSD. 
rdisc coming soon! :-)
 1996-08-03 15:48:18 +00:00
cgd 9764a289cd print result of ntohl/htonl as a long. (makes -Wformat work on the 
Alpha.)
 1996-07-10 18:13:35 +00:00
chuck 26cf9de9d5 ported ATM to FreeBSD 2.2-960612-SNAP 1996-07-03 17:17:10 +00:00
chuck cc499a99d9 change: 
- change asock to rxhand and adjust all for this [esp atm_input]
 1996-06-29 20:07:05 +00:00
chuck a08c95305d fixes/new stuff: 
[1] if user tries to enter in a bogus PVC don't leave it in the routing
        table ... remove it
[2] change ioctl arg to include rxso for lower layer
[3] add hooks (inside "NATM" ifdef) for native mode atm sockets so that
        they don't clash with IP PVCs.   [i am still debugging the native
        mode atm socket protosw code]
 1996-06-26 04:18:44 +00:00
mycroft 865bfae299 Return ENOPROTOOPT rather than picking pseudo-random error values. 
Don't allow SIOCGET{VIF,SG}CNT from sockets other than the multicast router.
Restructure rip_ctloutput() like ip_ctloutput(), and fix memory leaks.
 1996-06-23 12:12:44 +00:00
chuck d9c6fd68b8 network support for ATM networks (ATM == Async Transfer Mode, not 
Automatic Teller Machine).

Currently supports PVCs only (no ATM ARP either).
 1996-06-22 01:47:35 +00:00
pk ecbb3b2eb2 Prototype new rip_*() functions. 1996-05-28 23:27:04 +00:00
mycroft 91ac291d97 Move some code into a separate rip_bind() function. 1996-05-24 19:03:13 +00:00
mycroft 9347e648d8 udp_output() doesn't actually take control data, so don't pretend it does. 1996-05-23 17:05:45 +00:00
mycroft f399db63a4 Make sure the control mbufs are freed in all cases. 1996-05-23 17:03:27 +00:00
mycroft 60395beed8 Fix a race condition in PRU_DISCONNECT. 
Rearrange the code to deal with unconnected sockets slightly.
Other minor changes.
 1996-05-23 16:22:32 +00:00
mycroft e930766cdc Minor changes. 1996-05-23 16:13:19 +00:00
mycroft aee4be7a7f Minor changes to make this more like other protocols. Also, fix some return 
values.
 1996-05-23 16:12:15 +00:00
mycroft a8ba1d063c A few style changes to match netiso and netns. 1996-05-22 14:42:27 +00:00
mycroft 49d52c9b1c Pass a proc pointer down to the usrreq and pcbbind functions for PRU_ATTACH, PRU_BIND and 
PRU_CONTROL.  The usrreq interface really needs to be split up, but this will have to wait.
Remove SS_PRIV completely.
 1996-05-22 13:54:55 +00:00
mrg 4e25d1d20b if the sender set a cksum, check it, regardless if we care to 
generate and send them ourselves.  from rich stevens.
 1996-05-20 16:56:20 +00:00
mycroft e901286aad When sending an ARP request, use the interface address for the route, rather 
than the first address assigned.  This gives slightly different behaviour in
the presence of aliases.  From Bill Fenner, via Pete Bentley.
 1996-05-11 12:59:55 +00:00
thorpej 4edabe2501 Changed struct ifnet to have a pointer to the softc of the underlying 
device and a printable "external name" (name + unit number), thus eliminating
if_name and if_unit.  Updated interface to (*if_watchdog)() and (*if_reset)()
to take a struct ifnet *, rather than a unit number.
 1996-05-07 02:40:22 +00:00