[Openswan dev] Working KLIPS, but but with a few minor issues
Harald Jenny
harald at a-little-linux-box.at
Wed Apr 14 06:10:26 EDT 2010
Hi David,
can't confirm attached patch fixes problem, sorry...
Nice day
Harald
On Wed, Apr 14, 2010 at 11:44:35AM +1000, David McCullough wrote:
>
> Jivin Ruben Laban lays it down ...
> > Hello list,
> >
> > Latest git has a working KLIPS stack again:
> > * Compiles fine
> > * Loads fine
> > * En/Decrypts fine
> > * Unloads fine
> > * etc
> >
> > However, I did notice a few minor issues:
> > * Bringing down/replacing a tunnel isn't "clean":
> >
> > # ipsec auto --down tunnel2
> > 003 "tunnel2" #14: building of pfkey_msg_hdr flow eroute_connection replace with shunt failed, code -22
>
> Ok, should have looked harder when I found the other one.
> I think the attached patch should fix it, haven't had a chance to try it
> yet though,
>
> Cheers,
> Davidm
>
> > Replace:
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: "tunnel2": deleting connection
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: "tunnel2" #12: deleting state (STATE_MAIN_I4)
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: "tunnel2" #8: deleting state (STATE_QUICK_I2)
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: "tunnel2" #8: pfkey_lib_debug:pfkey_msg_parse: satype 1 conversion to proto failed for msg_type 14 (x-addflow(eroute)).
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: "tunnel2" #8: pfkey_lib_debug:pfkey_msg_build: Trouble parsing newly built pfkey message, error=-22.
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: "tunnel2" #8: pfkey_msg_build of flow eroute_connection replace with shunt failed, code -22
> > Apr 13 20:27:39 vn-t-fw01 pluto[4667]: added connection description "tunnel2"
> >
> > Down:
> > Apr 13 20:28:17 vn-t-fw01 pluto[4667]: "tunnel2": terminating SAs using this connection
> > Apr 13 20:28:17 vn-t-fw01 pluto[4667]: "tunnel2" #14: deleting state (STATE_QUICK_I2)
> > Apr 13 20:28:17 vn-t-fw01 pluto[4667]: "tunnel2" #14: pfkey_lib_debug:pfkey_msg_hdr_build: satype 88 > max 9
> > Apr 13 20:28:17 vn-t-fw01 pluto[4667]: "tunnel2" #14: building of pfkey_msg_hdr flow eroute_connection replace with shunt failed, code -22
> > Apr 13 20:28:17 vn-t-fw01 pluto[4667]: "tunnel2" #13: deleting state (STATE_MAIN_I4)
> >
> > * The use of leftsourceip= generates an error in the log, but does work at advertized (as far as I could see):
> >
> > Apr 13 20:36:30 vn-t-fw01 pluto[5197]: "tunnel2" #2: up-client output: /usr/local/lib/ipsec/_updown.klips: changesource `ip route change 172.16.1.0/24 dev ipsec0 src 172.16.4.11' failed (RTNETLINK answers: No such file or directory)
> >
> > * While running some tests during this email I got this one, --replace followed by --up:
> >
> > # ipsec auto --up tunnel2
> > 104 "tunnel2" #15: STATE_MAIN_I1: initiate
> > 003 "tunnel2" #15: received Vendor ID payload [Openswan (this version) 2.6.master-201015.git ]
> > 003 "tunnel2" #15: received Vendor ID payload [Dead Peer Detection]
> > 106 "tunnel2" #15: STATE_MAIN_I2: sent MI2, expecting MR2
> > 108 "tunnel2" #15: STATE_MAIN_I3: sent MI3, expecting MR3
> > 003 "tunnel2" #15: received Vendor ID payload [CAN-IKEv2]
> > 004 "tunnel2" #15: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_RSA_SIG cipher=oakley_3des_cbc_192 prf=oakley_md5 group=modp1536}
> > 117 "tunnel2" #16: STATE_QUICK_I1: initiate
> > 003 ERROR: "tunnel2" #16: pfkey write() of K_SADB_X_ADDFLOW message 71 for flow tun.100b at 172.16.2.10 failed. Errno 17: File exists
> > 032 "tunnel2" #16: STATE_QUICK_I1: internal error
> >
> > In log:
> > Apr 13 20:33:52 vn-t-fw01 pluto[4667]: added connection description "tunnel2"
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: initiating Main Mode
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: received Vendor ID payload [Openswan (this version) 2.6.master-201015.git ]
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: received Vendor ID payload [Dead Peer Detection]
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: transition from state STATE_MAIN_I1 to state STATE_MAIN_I2
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: STATE_MAIN_I2: sent MI2, expecting MR2
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: transition from state STATE_MAIN_I2 to state STATE_MAIN_I3
> > Apr 13 20:33:55 vn-t-fw01 pluto[4667]: "tunnel2" #15: STATE_MAIN_I3: sent MI3, expecting MR3
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: "tunnel2" #15: received Vendor ID payload [CAN-IKEv2]
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: "tunnel2" #15: Main mode peer ID is ID_IPV4_ADDR: '172.16.2.10'
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: "tunnel2" #15: transition from state STATE_MAIN_I3 to state STATE_MAIN_I4
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: "tunnel2" #15: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_RSA_SIG cipher=oakley_3des_cbc_192 prf=oakley_md5 group=modp1536}
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: "tunnel2" #16: initiating Quick Mode RSASIG+ENCRYPT+TUNNEL+PFS+UP+IKEv2ALLOW {using isakmp#15 msgid:e4021180 proposal=3DES(3)_192-MD5(1)_128, 3DES(3)_192-SHA1(2)_160
> > pfsgroup=OAKLEY_GROUP_MODP1536}
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: ERROR: "tunnel2" #16: pfkey write() of K_SADB_X_ADDFLOW message 71 for flow tun.100b at 172.16.2.10 failed. Errno 17: File exists
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 02 0e 00 09 17 00 00 00 47 00 00 00 3b 12 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 03 00 01 00 00 00 10 0b 00 00 00 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 00 00 00 00 00 00 00 00 03 00 05 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 02 00 00 00 ac 10 03 15 00 00 00 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 03 00 06 00 00 00 00 00 02 00 00 00 ac 10 02 0a
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 00 00 00 00 00 00 00 00 03 00 15 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 02 00 00 00 ac 10 04 00 00 00 00 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 03 00 16 00 00 00 00 00 02 00 00 00 ac 10 01 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 00 00 00 00 00 00 00 00 03 00 17 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 02 00 00 00 ff ff ff 00 00 00 00 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 03 00 18 00 00 00 00 00 02 00 00 00 ff ff ff 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | 00 00 00 00 00 00 00 00
> > Apr 13 20:33:56 vn-t-fw01 pluto[4667]: | raw_eroute result=0
> >
> > This is the configuration I used for these test:
> >
> > (Local is right in this case, using identical config on both end, except for protostack=, remote is netkey)
> > (Kernel used on this particular instance is a 2.6.24 based Ubuntu kernel)
> >
> > # /etc/ipsec.conf - Openswan IPsec configuration file
> > # RCSID $Id: ipsec.conf.in,v 1.16 2005/07/26 12:29:45 ken Exp $
> >
> > # This file: /usr/share/doc/openswan/ipsec.conf-sample
> > #
> > # Manual: ipsec.conf.5
> >
> >
> > version 2.0 # conforms to second version of ipsec.conf specification
> >
> > # basic configuration
> > config setup
> > # Do not set debug options to debug configuration issues!
> > # plutodebug / klipsdebug = "all", "none" or a combation from below:
> > # "raw crypt parsing emitting control klips pfkey natt x509 dpd private"
> > # eg:
> > # plutodebug="control parsing"
> > #
> > # enable to get logs per-peer
> > # plutoopts="--perpeerlog"
> > #
> > # Again: only enable plutodebug or klipsdebug when asked by a developer
> > #
> > # NAT-TRAVERSAL support, see README.NAT-Traversal
> > nat_traversal=yes
> > # exclude networks used on server side by adding %v4:!a.b.c.0/24
> > virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12
> > # OE is now off by default. Uncomment and change to on, to enable.
> > oe=off
> > # which IPsec stack to use. netkey,klips,mast,auto or none
> > protostack=klips
> > #protostack=mast
> > #protostack=netkey
> > dumpdir=/tmp
> >
> >
> > # Add connections here
> >
> > # sample VPN connection
> > # for more examples, see /etc/ipsec.d/examples/
> > #conn sample
> > # # Left security gateway, subnet behind it, nexthop toward right.
> > # left=10.0.0.1
> > # leftsubnet=172.16.0.0/24
> > # leftnexthop=10.22.33.44
> > # # Right security gateway, subnet behind it, nexthop toward left.
> > # right=10.12.12.1
> > # rightsubnet=192.168.0.0/24
> > # rightnexthop=10.101.102.103
> > # # To authorize this connection, but not actually start it,
> > # # at startup, uncomment this.
> > # #auto=start
> > conn tunnel2
> > left=172.16.2.10
> > leftsubnet=172.16.1.0/24
> > leftnexthop=172.16.2.20
> > leftsourceip=172.16.1.20
> > leftrsasigkey=0sAQN9...
> > right=172.16.3.21
> > rightsubnet=172.16.4.0/24
> > rightnexthop=172.16.3.10
> > rightsourceip=172.16.4.11
> > rightrsasigkey=0sAQOq...
> > ike=3des
> > phase2alg=3des
> > auto=add
> >
> > --
> > Regards,
> >
> > Ruben Laban
> > Senior Systems and Network Administrator
> > ISM eCompany
> > _______________________________________________
> > Dev mailing list
> > Dev at openswan.org
> > http://lists.openswan.org/mailman/listinfo/dev
> >
> >
>
> --
> David McCullough, david_mccullough at mcafee.com, Ph:+61 734352815
> McAfee - SnapGear http://www.mcafee.com http://www.uCdot.org
> diff --git a/programs/pluto/kernel_pfkey.c b/programs/pluto/kernel_pfkey.c
> index bc73c0d..2f0a353 100644
> --- a/programs/pluto/kernel_pfkey.c
> +++ b/programs/pluto/kernel_pfkey.c
> @@ -1253,7 +1253,7 @@ pfkey_shunt_eroute(struct connection *c
> , htonl(spi)
> , SA_INT
> , 0 /* transport_proto is not relevant */
> - , SADB_X_SATYPE_INT, null_proto_info
> + , ET_INT, null_proto_info
> , 0 /* use lifetime */
> , inop
> , opname);
> @@ -1279,7 +1279,7 @@ pfkey_shunt_eroute(struct connection *c
> , htonl(spi)
> , SA_INT
> , sr->this.protocol
> - , K_SADB_X_SATYPE_INT
> + , ET_INT
> , null_proto_info, 0, op, buf2);
> }
> }
> diff --git a/programs/pluto/kernel_pfkey.h b/programs/pluto/kernel_pfkey.h
> index 4a87414..f92438f 100644
> --- a/programs/pluto/kernel_pfkey.h
> +++ b/programs/pluto/kernel_pfkey.h
> @@ -42,7 +42,7 @@ extern bool pfkey_raw_eroute(const ip_address *this_host
> , ipsec_spi_t spi
> , unsigned int proto UNUSED
> , unsigned int transport_proto
> - , unsigned int satype
> + , enum eroute_type esatype
> , const struct pfkey_proto_info *proto_info UNUSED
> , time_t use_lifetime UNUSED
> , enum pluto_sadb_operations op
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