rx: Split out rxi_SendConnectionAbortLater

Take the functionality in rxi_SendConnectionAbort that schedules a
delayed abort, and split it out into a new function,
rxi_SendConnectionAbortLater. This allows callers an easy interface to
send such a delayed abort with their own delay.

This commit should incur no change in behavior; it is just code
reorganization.

(cherry picked from commit 61d80537cae95d125c4b9fed31e2454a281b8b02)

Change-Id: I8798ace952bffa0c736ab90e9028fd7c99305a78
rx: Avoid rxi_Delay on RXS_CheckResponse failure

Currently we rxi_Delay whenever RXS_CheckResponse fails for any
reason. This can result in disastrous performance degradations if a
client keeps sending "bad" responses, since rxi_Delay'ing here will
delay the Rx listener thread. This means we cannot receive any packets
for about a second, which can easily cause us to drop a lot of
incoming packets.

Instead, send the abort after 1 second by scheduling an event. This
will retain existing behavior from the point of view of the client
(it will get the abort after 1 second), but avoids hanging the Rx
listener thread.

FIXES 131802

(cherry picked from commit 0ec67b0a9a175af14e360da75d1f5429c6c97b24)

Change-Id: Idf2fb2cc26c013b9071d578b46f6d4831ff3fe5f
viced: fix get-statistics64 buffer overflow

Range check the statsVersion argument of the GetStatisitics64 RPC to
avoid a buffer overflow in the fileserver, or a huge memory allocation,
by a rogue client.

FIXES 131803

(cherry picked from commit bd2cc32da969abe57334d20563d5cddf065a905e)

Change-Id: I05b18b9f4bacd8981eafb9fe4b5aea904f88a9cc
Update NEWS for 1.6.7

Release notes for OpenAFS 1.6.7.

Change-Id: I9c331ca0dd01f9617917af326f58fc1944c152d7
Make OpenAFS 1.6.7

Update version strings for 1.6.7

Change-Id: Ia9d931cd5329afb440cfa7da1f139ae669c6e8ae
Merge branch '1.6-security' into HEAD

Conflicts:
	NEWS
	configure-libafs.ac
	configure.ac
	src/config/NTMakefile.amd64_w2k
	src/config/NTMakefile.i386_nt40
	src/config/NTMakefile.i386_w2k

Change-Id: If4cf26d5559229a35b2754957f856350a8100ffb