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97 Commits

Author SHA1 Message Date
dan
73aa8b3b5b warn about the arc4 generator if no NRND, but still use it 2002-10-07 00:40:15 +00:00
tls
0f95ec4fd5 ESP output was drawing down the entropy pool at a ferocious rate, a 
particular problem on hosts with only wireless interfaces that are
definitely not safe to use as entropy sources.

Add arc4randbytes() which hands out bytes from the same source used
by arc4random().  This is intended to be a _temporary_ interface
until we can design and implement a better general PRNG interface
that is decoupled from the entropy-pool implementation.

Modify key_randomfill() (used only for initialization vectors on
SA creation and via key_sa_stir_iv(), which does not "stir",
despite its name) to use arc4randbytes() instead of pulling bits
directly from the entropy pool.  It is my hope that this change
will pose minimal integration problems for the KAME folks as the
random-pool interface is *already* different between each BSD
variant; this just simplifies the NetBSD case and solves a
fairly serious problem.

Note that it is generally considered acceptable cryptographic
practice to use a fast stream cipher to generate IVs for encryption
with stronger block ciphers.  For example, the use of "non-Approved"
PRNGs to generate IVs for "Approved" block ciphers is explicitly
sanctioned by FIPS 140-2.
 2002-10-06 08:51:44 +00:00
itojun
61da54e3c0 port spec is not permitted to tunnel mode policy, as we don't reassemble 
fragments.  perform more strict check against af match for tunnels.  sync w/kame
 2002-10-04 05:45:22 +00:00
provos
0f09ed48a5 remove trailing \n in panic(). approved perry. 2002-09-27 15:35:29 +00:00
itojun
01965cd2e0 fix signed/unsigned pointer mixup 2002-09-23 13:43:42 +00:00
itojun
9401012487 KNF - return is not a function. sync w/kame. 2002-09-11 02:46:42 +00:00
itojun
6dedde045a correct signedness mixup in pointer passing. sync w/kame 2002-09-11 02:41:19 +00:00
itojun
88122ef746 should return error code from key_senderror(). sync w/kame 2002-08-20 08:17:02 +00:00
itojun
ccc183b4d1 fixed that the incorrect time was set to sadb_comb_{hard|soft}_usetime. 
sync w/kame
 2002-08-20 06:20:26 +00:00
itojun
2169d69bcf correct %d/%u mismatch. sync w/kame 2002-06-27 14:39:45 +00:00
itojun
c1808f02bf cache pcb policy as much as possible. in fact, if policy is not 
IPSEC_POLICY_IPSEC we don't need to compare spidx.  sync w/kame
 2002-06-14 14:47:24 +00:00
itojun
dc96111483 deep-copy pcb policy if it is an ipsec policy. assign ID field to all 
SPD entries.  make it possible for racoon to grab SPD entry on pcb
(racoon side needs some changes).  sync w/kame
 2002-06-12 17:56:45 +00:00
itojun
cc8fe8c179 make function static 2002-06-12 03:46:16 +00:00
itojun
bad1f500a7 remove unused functions 2002-06-12 03:37:14 +00:00
itojun
3489976392 do not copy policy-on-socket at all. avoid copying packet header value to 
struct spindex.  should reduce memory usage per socket/pcb, and should speedup
ipsec processing.  sync w/kame
 2002-06-12 01:47:34 +00:00
itojun
fa53d749ff share policy-on-pcb for listening socket. sync w/kame 
todo: share even more, avoid frequent updates of spidx
 2002-06-11 19:39:59 +00:00
itojun
52d0ba15c8 reduce unneeded #ifdef 2002-05-30 05:51:21 +00:00
itojun
d208a22daa use arc4random() where possible. 
XXX is it necessary to do microtime() on tcp syn cache?
 2002-05-28 10:11:49 +00:00
itojun
12bdf036e2 pull in SPD lifetime management code. fix refcnt for SPD entries. 
sync w/kame
XXX dead SPD entry lifetime - undergoing sakane's review
 2002-05-19 08:22:12 +00:00
itojun
9244bd8154 document net.key.* sysctl. provide sysctl MIB for controlling 
proposal payload on ACQUIRE message.  sync w/kame
 2002-05-19 08:12:55 +00:00
itojun
691d519c66 remove unneeded decl for __ss_{len,family} 2002-05-19 07:54:05 +00:00
itojun
0c85427e40 remove unneeded #if 2002-03-21 04:41:03 +00:00
itojun
53a52c0ad8 pfkey statistics was presented in wrong direction. 2002-03-21 04:23:36 +00:00
itojun
418fefdef0 remove a function no longer in use 2002-03-21 04:10:21 +00:00
itojun
900347e4d0 comment wording 2002-03-21 02:27:50 +00:00
itojun
8e4fadc28a missing splx 2002-03-01 04:19:42 +00:00
itojun
3edb75b9d5 unifdef -D__NetBSD__ 2002-03-01 04:16:38 +00:00
itojun
88123ecf38 change key_timehandler to take void * as argument. sync with kame. 
PR 14351
 2002-01-31 07:05:43 +00:00
itojun
867ce59a46 use ipseclog() instead of #ifdef IPSEC_DEBUG, to make it possible to 
turn on/off debugging messages at runtime.  sync with kame
 2002-01-31 06:35:25 +00:00
itojun
8297f55292 change SPDUPDATE's behavior to meet with the latest KAME kit. 
(there's no need to have policy before SPDUPDATE)
 2002-01-31 06:17:03 +00:00
lukem
2565646230 don't need <sys/types.h> when including <sys/param.h> 2001-11-15 09:47:59 +00:00
lukem
4f2ad95259 add RCSIDs 2001-11-13 00:56:55 +00:00
simonb
5f717f7c33 Don't need to include <uvm/uvm_extern.h> just to include <sys/sysctl.h> 
anymore.
 2001-10-29 07:02:30 +00:00
itojun
07b78861d0 sync with kame: 
fixed the value of the prefixlen in the sadb_address structure.
when pfkey message relative to SA is sent, the prefixlen was incorrect.
 2001-10-19 01:57:20 +00:00
wiz
4c99916337 va_{start,end} audit: 
Make sure that each va_start has one and only one matching va_end,
especially in error cases.
If the va_list is used multiple times, do multiple va_starts/va_ends.
If a function gets va_list as argument, don't let it use va_end (since
it's the callers responsibility).

Improved by comments from enami and christos -- thanks!

Heimdal/krb4/KAME changes already fed back, rest to follow.

Inspired by, but not not based on, OpenBSD.
 2001-09-24 13:22:25 +00:00
wiz
456dff6cb8 Spell 'occurred' with two 'r's. 2001-09-16 16:34:23 +00:00
itojun
fd048b8ff1 avoid symbol conflict with "sin()". 2001-08-16 14:28:54 +00:00
itojun
99c5195929 remove "#ifdef IPSEC_DEBUG" conditional from from key_debug.h 
(headers must have no #if).  sync with kame
 2001-08-12 11:52:43 +00:00
itojun
984d46bbc4 there is no KEY_DEBBUG. use IPSEC_DEBUG 2001-08-12 11:48:27 +00:00
itojun
57030e2f12 cache IPsec policy on in6?pcb. most of the lookup operations can be bypassed, 
especially when it is a connected SOCK_STREAM in6?pcb.  sync with kame.
 2001-08-06 10:25:00 +00:00
itojun
ce781443e0 pass replay sequence number on sadb_x_sa2 (it's outside of PF_KEY standard 
anyways).
 2001-08-02 12:10:14 +00:00
itojun
b26591525e remove "register" variable specifier. sync with kame 2001-08-02 11:32:14 +00:00
itojun
182b1e5191 do not #ifdef KEY_DEBUG in header. sync with kame 2001-07-27 04:48:13 +00:00
mrg
8a49f07b1b avoid assigning to policy_id twice. fixes more gcc 3.0 prerelease errors. 2001-06-04 21:38:28 +00:00
mrg
c13e3a6693 use _KERNEL_OPT 2001-05-30 11:40:35 +00:00
wiz
14dbdf5518 Negative exit code cleanup: Replace exit(-x) with exit(x). 
As seen on tech-userlevel.
 2001-04-06 11:13:45 +00:00
jdolecek
522f569810 make some more constant arrays 'const' 2001-02-21 21:39:52 +00:00
thorpej
786149d624 When processing an SADB_DELETE message, allow SADB_EXT_SA to be 
blank.  In this case, we delete all non-LARVAL SAs that match the
src/dst/protocol.  This is particularly useful in IKE INITIAL-CONTACT
processing.  Idea from Bill Sommerfeld <sommerfeld@east.sun.com>, who
implemented it in post-Solaris8.
 2001-02-16 23:53:59 +00:00
itojun
a688af5edf if 2nd parameter of key_acquire() is NULL it panics. 
key_acquire () does not really require 2nd argument.
1.179 -> 1.180 on kame.
 2001-01-10 18:52:51 +00:00
itojun
8b5ceae516 don't waste entropy by use of key_random(). use key_randomfill() for 
IV initialization.
 2000-10-07 12:08:33 +00:00