fix a bug in the input sanity check of DIOCCHANGERULE (not used by pfctl,
but third-party tools). a rule must have a non-empty replacement address
list when it's a translation rule but not an anchor call (i.e. "nat ...
->" needs a replacement address, but "nat-anchor ..." doesn't). the check
confused "rule is an anchor call" with "rule is defined within an anchor".
report from Michal Mertl, Max Laier.
Obtained from: OpenBSD
MFC after: 2 weeks
parameter that can specify configuration parameters:
o rev cloner api's to add optional parameter block
o add SIOCCREATE2 that accepts parameter data
o rev vlan support to use new api (maintain old code)
Reviewed by: arch@
but not 'fragment reassemble'), which can cause some fragments to get
inserted into the cache twice, thereby violating an invariant, and panic-
ing the system subsequently.
Reviewed by: mlaier
MFC after: 1 day
"established" state.
Similar to OpenBSD's rev. 1.499 by joel but not breaking ABI.
Obtained from: OpenBSD (with changes)
Reported by: Bruno Afonso
MFC after: 3 days
X-MFC: together with local_flags
special handling when zero. This caused no PFSYNC_ACT_DEL message and thus
disfunction of pfflowd and state synchronisation in general.
Discovered by: thompsa
Good catch by: thompsa
MFC after: 7 days
softc lists and associated mutex are now unused so these have been removed.
Calling if_clone_detach() will now destroy all the cloned interfaces for the
driver and in most cases is all thats needed to unload.
Idea by: brooks
Reviewed by: brooks
cloner. This ensures that ifc->ifc_units is not prematurely freed in
if_clone_detach() before the clones are destroyed, resulting in memory modified
after free. This could be triggered with if_vlan.
Assert that all cloners have been destroyed when freeing the memory.
Change all simple cloners to destroy their clones with ifc_simple_destroy() on
module unload so the reference count is properly updated. This also cleans up
the interface destroy routines and allows future optimisation.
Discussed with: brooks, pjd, -current
Reviewed by: brooks
pf_ioctl.c Revision 1.153 Sun Aug 7 11:37:33 2005 UTC by dhartmei
| verify ticket in DIOCADDADDR, from Boris Polevoy, ok deraadt@
pf_ioctl.c Revision 1.158 Mon Sep 5 14:51:08 2005 UTC by dhartmei
| in DIOCCHANGERULE, properly initialize table, if used in NAT rule.
| from Boris Polevoy <vapcom at mail dot ru>, ok mcbride@
pf.c Revision 1.502 Mon Aug 22 11:54:25 2005 UTC by dhartmei
| when nat'ing icmp 'connections', replace icmp id with proxy values
| (similar to proxy ports for tcp/udp). not all clients use
| per-invokation random ids, this allows multiple concurrent
| connections from such clients.
| thanks for testing to Rod Whitworth, "looks ok" markus@
pf.c Revision 1.501 Mon Aug 22 09:48:05 2005 UTC by dhartmei
| fix rdr to bitmask replacement address pool. patch from Max Laier,
| reported by Boris Polevoy, tested by Jean Debogue, ok henning@
Obtained from: OpenBSD
MFC after: 3 days
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.
Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.
Reviewed by: pjd, bz
MFC after: 7 days
states - has to drop the lock when calling back to ip_output(), the state
purge timeout might run and gc the state. This results in a rb-tree
inconsistency. With this change we flag expiring states while holding the
lock and back off if the flag is already set.
Reported by: glebius
MFC after: 2 weeks
actually work. Also use the right semantics for IF_HANDOFF to get correct
stats.
Reported and tested by: Sascha Luck <sascha at c4inet dot net>
Approved by: re (blanket)
of just dropping the lock around the ip_output call. This used to cause
corrupted state tree walks for some call-paths.
In a second stage all callouts will be marked MPSAFE according to the
setting of mpsafenet.
Reported and tested by: Matthew Grooms <mgrooms at seton dot org>
MFC after: 3 days
X-MFC after: Marking callouts MPSAFE + 1 week
struct ifnet or the layer 2 common structure it was embedded in have
been replaced with a struct ifnet pointer to be filled by a call to the
new function, if_alloc(). The layer 2 common structure is also allocated
via if_alloc() based on the interface type. It is hung off the new
struct ifnet member, if_l2com.
This change removes the size of these structures from the kernel ABI and
will allow us to better manage them as interfaces come and go.
Other changes of note:
- Struct arpcom is no longer referenced in normal interface code.
Instead the Ethernet address is accessed via the IFP2ENADDR() macro.
To enforce this ac_enaddr has been renamed to _ac_enaddr.
- The second argument to ether_ifattach is now always the mac address
from driver private storage rather than sometimes being ac_enaddr.
Reviewed by: sobomax, sam
missing and will be implemented in a second step. This is functional as is.
Tested by: freebsd-pf, pfsense.org
Obtained from: OpenBSD
X-MFC after: never (breaks API/ABI)
destination windows were confused, one instead of other.
This error was masked, because first segment of just
established connection is usually smaller than initially
announced window, and it was successfully passed. First
window reannouncement corrected erroneous 'seqhi' value.
The error showed up when client connected to synproxy
with zero initial window, and reannounced it after
session establishment.
In collaboration with: dhartmei [we came to same patch independtly]
Reviewed by: mlaier
Sponsored by: Rambler
MFC after: 3 days
replacement address for an rdr rule. Some rdr rules have no address family
(when the replacement is a table and no other criterion implies one AF).
In this case, pf would fail to select a replacement address and drop the
packet due to translation failure.
Found by: Gustavo A. Baratto
prevents a possible endless loop in pf_get_sport() with 'static-port'
ICMP state entries use the ICMP ID as port for the unique state key. When
checking for a usable key, construct the key in the same way. Otherwise,
a colliding key might be missed or a state insertion might be refused even
though it could be inserted. The second case triggers the endless loop,
possibly allowing a NATed LAN client to lock up the kernel.
PR: kern/74930
Reported and tested by: Hugo Silva, Srebrenko Sehic
MFC after: 3 days
header. pf finds the first TCP/UDP/ICMP6 header to filter by traversing
the header chain. In the case where headers are skipped, the protocol
checksum verification used the wrong length (included the skipped headers),
leading to incorrectly mismatching checksums. Such IPv6 packets with
headers were silently dropped.
Discovered by: Bernhard Schmidt
MFC after: 1 week
'binat from ... to ... -> (if)' are used, where the interface
is dynamic.
Discovered by: kos(at)bastard(dot)net
Analyzed by: Pyun YongHyeon
Approved by: mlaier (mentor)
MFC after: 1 week
(ifconfig xl0 name foo) as well as some special interfaces such as the 6to4
tunnel.
Reported by: Ed Schouten <ed (at) il ! fontys , nl>
Tested by: freebsd-pf
PR: kern/72444
MFC after: 3 weeks
trigger a socket creation race some some kind). Checking for non-NULL socket
and credential is not a bad idea anyway. Unfortunatly too late for the
release.
Reported & tested by: Gilbert Cao
MFC after: 2 weeks
passing along socket information. This is required to work around a LOR with
the socket code which results in an easy reproducible hard lockup with
debug.mpsafenet=1. This commit does *not* fix the LOR, but enables us to do
so later. The missing piece is to turn the filter locking into a leaf lock
and will follow in a seperate (later) commit.
This will hopefully be MT5'ed in order to fix the problem for RELENG_5 in
forseeable future.
Suggested by: rwatson
A lot of work by: csjp (he'd be even more helpful w/o mentor-reviews ;)
Reviewed by: rwatson, csjp
Tested by: -pf, -ipfw, LINT, csjp and myself
MFC after: 3 days
LOR IDs: 14 - 17 (not fixed yet)
