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52 Commits

Author SHA1 Message Date
Alexander Motin
1380b77c12 Close race in r268291 between port destruction, delayed by sessions 
teardown, and new port creation during `service ctld restart`.

Close it by returning iSCSI port internal state, that allows to identify
dying ports, which should not be counted as existing, from really alive.
 2014-07-06 17:57:59 +00:00
Alexander Motin
6d81c129dd Pass through iSCSI session ISID from LOGIN request to the CTL frontend. 
ISID is an important part of initiator transport ID for iSCSI.  It is not
used now, but should be to properly implement persistent reservation.
 2014-07-05 21:18:33 +00:00
Alexander Motin
027e5269c9 Burry devid port method, which was a gross hack. 
Instead make ports provide wanted port and target IDs, and LUNs provide
wanted LUN IDs.  After that core Device ID VPD code only had to link all
of them together and add relative port and port group numbers.

LUN ID for iSCSI LUNs no longer created by CTL, but by ctld, and passed
to CTL as "scsiname" LUN option.  This makes LUNs to report the same set
of IDs, independently from the port through which it is accessed, as
required by SCSI specifications.
 2014-07-05 19:30:20 +00:00
Alexander Motin
917d38fb99 Create separate CTL port for every iSCSI target (and maybe portal group). 
Having single port for all iSCSI connections makes problematic implementing
some more advanced SCSI functionality in CTL, that require proper ports
enumeration and identification.

This change extends CTL iSCSI API, making ctld daemon to control list of
iSCSI ports in CTL.  When new target is defined in config fine, ctld will
create respective port in CTL.  When target is removed -- port will be
also removed after all active commands through that port properly aborted.
This change require ctld to be rebuilt to match the kernel.

As a minor side effect, this allows to have iSCSI targets without LUNs.
While that may look odd and not very useful, that is not incorrect.
 2014-07-05 18:15:00 +00:00
Josh Paetzel
c9593e36b4 Fix issues in config parser relating to lun serial numbers. 
Without this fix some serial numbers needed to be quoted
to avoid the config parser bailing out.

Submitted by:	delphij
Sponsored by:	iXsystems
 2014-06-24 19:12:55 +00:00
Baptiste Daroussin
01c2b8ac0d use .Mt to mark up email addresses consistently (part2) 
PR:		191174
Submitted by:	Franco Fichtner  <franco@lastsummer.de>
 2014-06-20 09:57:27 +00:00
Alexander Motin
8ea4f2ef51 serial_num and device_id fields are not necessarily null-terminated. 
Before this it was impossible to use all 16 bytes of serial number, and
client always got serial number NULL-terminated, that is not required.

MFC after:	2 weeks
 2014-06-19 19:28:35 +00:00
Alexander Motin
b8c1bd1300 On discovery stage add set of TargetAddress keys to reply, reporting to 
the client all the portal groups addresses and ports.

Reviewed by:	trasz@
MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.
 2014-06-18 12:26:02 +00:00
Edward Tomasz Napierala
c63d8c3b51 Style fixes. 2014-04-24 11:28:23 +00:00
Edward Tomasz Napierala
61a2a354f8 English. 
Sponsored by:	The FreeBSD Foundation
 2014-04-16 11:07:29 +00:00
Edward Tomasz Napierala
d5e316e5e8 If we fail to create LUN, try again on next configuration reload. 
Sponsored by:	The FreeBSD Foundation
 2014-04-16 11:06:45 +00:00
Edward Tomasz Napierala
fe845cdb48 Use consistent punctuation. 
Sponsored by:	The FreeBSD Foundation
 2014-04-16 11:05:57 +00:00
Edward Tomasz Napierala
639466801c Use proper terminology in debug messages. 
Sponsored by:	The FreeBSD Foundation
 2014-04-16 11:03:21 +00:00
Edward Tomasz Napierala
d6093026ec Constify. 
Sponsored by:	The FreeBSD Foundation
 2014-04-16 11:01:59 +00:00
Edward Tomasz Napierala
8eab95d646 Properly pass the initiator address when running in proxy mode. 
Sponsored by:	The FreeBSD Foundation
 2014-04-16 11:00:10 +00:00
Edward Tomasz Napierala
9a95cfffd8 Use socket address from accept(2) instead of retrieving it via 
getpeername(2).

Sponsored by:	The FreeBSD Foundation
 2014-04-16 10:49:48 +00:00
Edward Tomasz Napierala
a113ac0506 Rework the way we enable CTL iSCSI port. Previously conf_apply() 
needed it to be already enabled, because listening in proxy mode
requires it; however, it's conf_apply() that opens pidfiles,
so it resulted in port being enabled before pidfile was opened.
This was not so bad, but it was also disabled when pidfile couldn't
be opened due to ctld already running; this means that starting
second ctld instance screwed up the first.

Sponsored by:	The FreeBSD Foundation
 2014-04-16 10:43:12 +00:00
Edward Tomasz Napierala
8cab2ed4cd Properly identify target portal when running in proxy mode. While here, 
remove CTL_ISCSI_CLOSE, it wasn't used or implemented anyway.

Sponsored by:	The FreeBSD Foundation
 2014-04-16 10:29:34 +00:00
Edward Tomasz Napierala
ba3a2d31c8 Make it possible for the iSCSI target side to operate in both normal 
and ICL_KERNEL_PROXY mode, and fix some bit rot so the latter actually
works again.

Sponsored by:	The FreeBSD Foundation
 2014-04-16 10:06:37 +00:00
Edward Tomasz Napierala
19b59f13d8 Stop treating LUN 0 as mandatory. There is no reason to do that. 
Suggested by:	mav@
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
 2014-04-15 14:55:56 +00:00
Edward Tomasz Napierala
e6954b999d Make the error message more clear. 
Sponsored by:	The FreeBSD Foundation
 2014-03-19 13:00:44 +00:00
Robert Watson
b881b8be1d Update most userspace consumers of capability.h to use capsicum.h instead. 
auditdistd is not updated as I will make the change upstream and then do a
vendor import sometime in the next week or two.

MFC after:	3 weeks
 2014-03-16 11:04:44 +00:00
Edward Tomasz Napierala
cadf3831b3 Make the debug messages during ctld(8) shutdown less confusing. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:38:44 +00:00
Edward Tomasz Napierala
6dc3a9f496 Show proper configuration file line numbers in error messages. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:37:49 +00:00
Edward Tomasz Napierala
e0fccc9806 Make ctld error out on invalid characters in ctl.conf. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:36:15 +00:00
Edward Tomasz Napierala
b3361aabc8 Improve error reporting. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:35:26 +00:00
Edward Tomasz Napierala
70b939ecd3 So, it turns out SIGCHLD is discarded by default, so we have to set up 
a dummy handler to make it interrupt an ioctl(2) or select(2).

This makes those short-lived ctld(8) zombies disappear.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:33:44 +00:00
Edward Tomasz Napierala
e76ce4484d Use new auth-type "deny" instead of using "chap" with no chap entries; 
it's cleaner this way, and gives better feedback to the user.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:32:36 +00:00
Edward Tomasz Napierala
ccb1f04d95 Use "default" as default discovery-auth-group, instead of "no-access". 
It doesn't change visible behaviour, as previously auth-group "default"
wasn't redefinable, so by default access was always denied.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:31:08 +00:00
Edward Tomasz Napierala
affb88f5a2 Update manual page to match recent auth-group "default" changes. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:29:58 +00:00
Edward Tomasz Napierala
e7977549f7 Add a new auth-group "default", defaulting to deny, and make it possible 
to redefine it.  From now on, assigning auth-group to a target is no longer
mandatory.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:29:05 +00:00
Edward Tomasz Napierala
252d941cc3 Make it possible to redefine portal-group "default". 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:27:25 +00:00
Edward Tomasz Napierala
df9900fb5b Add auth-type. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:26:05 +00:00
Edward Tomasz Napierala
f7ae5bf8de Rename a variable, no functional changes. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:14:50 +00:00
Edward Tomasz Napierala
e1c0d0d8a3 Yacc cleanup; no functional changes. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:11:37 +00:00
Edward Tomasz Napierala
1658628dc6 Make function ordering slightly more logical; no functional changes. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:10:01 +00:00
Edward Tomasz Napierala
8cb2e95863 Implement initiator-name and initiator-portal restrictions. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 11:08:04 +00:00
Edward Tomasz Napierala
5d5a95f138 Daemonize after applying configuration, not before, so that 
any problems - including "daemon already running" - are visible
on the terminal and not just in logs.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 10:59:57 +00:00
Edward Tomasz Napierala
017cbe4aaa Empty data segment during Login Phase is rather unlikely, but it's 
not, by itself, a protocol error.  This fixes interoperability with
OpenBSD initiator.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 10:58:32 +00:00
Edward Tomasz Napierala
1885dba7b1 The log_whatever() routines don't accept NULL for format strings, 
so mark them as __printflike instead of__printf0like.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 10:56:43 +00:00
Edward Tomasz Napierala
a19eebb1b7 Improve check for duplicated paths. It shows the warning twice for 
every path (once for each duplicate found), but it should do for now.

Sponsored by:	The FreeBSD Foundation
 2014-02-11 10:55:32 +00:00
Edward Tomasz Napierala
2fabfaa504 Refactor. 
Sponsored by:	The FreeBSD Foundation
 2014-02-11 10:53:08 +00:00
Edward Tomasz Napierala
b30f0d901a Fix handling for empty auth-groups. Without it, ctld child process 
would either exit on assertion, or, if assertions are not enabled,
fail to authenticate the target.

MFC after:	2 days
Sponsored by:	The FreeBSD Foundation
 2013-12-10 17:27:11 +00:00
Edward Tomasz Napierala
5292c670c2 Grammar fix. 
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
 2013-12-02 09:47:22 +00:00
Edward Tomasz Napierala
5d02cc7ff9 Fix typos. 
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
 2013-12-02 09:23:34 +00:00
Edward Tomasz Napierala
c095756f2e Fix typo. 
Submitted by:	feld@
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
 2013-11-10 13:16:28 +00:00
Edward Tomasz Napierala
5989c4cc16 Plug memory leaks. 
Coverity CID:	1087993, 1087992
Approved by:	re (marius)
Sponsored by:	FreeBSD Foundation
 2013-10-09 13:28:45 +00:00
Edward Tomasz Napierala
1af403658b Fix off-by-one. 
Coverity CID:	1011375
Approved by:	re (glebius)
Sponsored by:	FreeBSD Foundation
 2013-10-09 12:17:40 +00:00
Edward Tomasz Napierala
7843bd031a Fix several problems in the new iSCSI stack; this includes interoperability 
fix for LIO (Linux target), removing possibility for the target to avoid mutual
CHAP by choosing to skip authentication altogether, and fixing truncated error
messages in iscsictl(8) output.  This also fixes several of the problems found
with Coverity.

Note that this change requires world rebuild.

Coverity CID:	1088038, 1087998, 1087990, 1088004, 1088044, 1088041, 1088040
Approved by:	re (blanket)
Sponsored by:	FreeBSD Foundation
 2013-09-18 21:15:21 +00:00
Edward Tomasz Napierala
c76e8a9aa0 Make iscsictl(8) automatically try to load the iscsi module. While here, 
improve module loading in iscsid(8) and ctld(8).

Approved by:	re (delphij)
 2013-09-18 08:37:14 +00:00