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The become_root() and similar 'smbd' functions that are used widely in
Samba libraries had 'dummy' copies in dummysmbd.c and dummyroot.c.
These have been replaced by a runtime plugin mechanim, which ensures
that standlone binaries still do nothing, while in smbd the correct
function is used.
This avoids having these as duplicate symbols in the smbd binary,
which can cause unpredictable behaviour.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
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We change all the headers and wscript files to use tdb_compat; this
means we have one place to decide whether to use TDB1 or TDB2.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This has been a wrapper around server_event_context() for some time
now, and removing this from dummmysmbd.c assists with library
dependencies.
Andrew Bartlett
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this allows the fd to be setup by subsystems that want to use the s3
server core code
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Sun May 8 12:01:13 CEST 2011 on sn-devel-104
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Guenther
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Guenther
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Guenther
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Guenther
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Since commit 7022554, smbds share a printcap cache (printer_list.tdb),
therefore ordering of events between smbd processes is important when
updating printcap cache information. Consider the following two process
example:
1) smbd1 receives HUP or printcap cache time expiry
2) smbd1 checks whether pcap needs refresh, it does
3) smbd1 marks pcap as refreshed
4) smbd1 forks child1 to obtain cups printer info
5) smbd2 receives HUP or printcap cache time expiry
6) smbd2 checks whether pcap needs refresh, it does not (due to step 3)
7) smbd2 reloads printer shares prior to child1 completion (stale pcap)
8) child1 completion, pcap cache (printer_list.tdb) is updated by smbd1
9) smbd1 reloads printer shares based on new pcap information
In this case both smbd1 and smbd2 are reliant on the pcap update
performed on child1 completion.
The prior commit "reload shares after pcap cache fill" ensures that
smbd1 only reloads printer shares following pcap update, however smbd2
continues to present shares based on stale pcap data.
This commit addresses the above problem by driving pcap cache and
printer share updates from the parent smbd process.
1) smbd0 (parent) receives a HUP or printcap cache time expiry
2) smbd0 forks child0 to obtain cups printer info
3) child0 completion, pcap cache (printer_list.tdb) is updated by smbd0
4) smbd0 reloads printer shares
5) smbd0 notifies child smbds of pcap update via message_send_all()
6) child smbds read fresh pcap data and reload printer shares
This architecture has the additional advantage that only a single
process (the parent smbd) requests printer information from the printcap
backend.
Use time_mono in housekeeping functions As suggested by Björn Jacke.
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the daemons themselves. Allows client utilities to silently
fail to create a messaging context due to access denied on the
messaging tdb (which I need for the following patch).
Jeremy.
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Guenther
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This moves those arrays from dynamic to static, shared memory, removing them
from globals.c.
I did it by dumping the result of init_tables() with dump_data(). Some massage
by an editor macro made it the initializer.
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Volker pointed out I'd missed the "last directory" cache
part of this code. Return us to caching the directory we're
in (reduces sys call load).
Mea maxima culpa.
Jeremy.
This reverts commit 2f30aea3324f32f9b8555e961256fc1280da2871.
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Pair-programmed-with: Andreas Schneider <asn@samba.org>
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by modules to crash due to destructors being called (found when using the vfs_aio_fork
module with smb2).
Jeremy.
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Reviewed-by: Simo Sorce <idra@samba.org>
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This helps vfstest, which previously had duplicate copies of these functions.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
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global.
Jeremy.
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Jeremy
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metze
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This is no longer used for anything.
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This reverts commit c85a4c9ba4a7de65a7850f6f9708df66bd24deea.
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Jeremy.
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metze
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after the accept and fork, to smbd_init_globals(), so it's
done immediately on server startup. This is needed as some
messages are sent to all active smbd processes (including
the master listening daemon). If it gets a message that
forces it to scan it's current connections (ie. conn_find())
then it discovers that sconn->smb1.tcons.Connections dereferences
null (as sconn == NULL in the parent) and crashes. Yes,
I could fix all cases where sconn is used and explicitly
check for NULL but this fix is easier. It means that
the smbd_event_context() is initialized in the master
daemon and then re-initialized after fork, but that
should be being done correctly in every fork call anyway.
Without this change the previous fix 6a9e0039100b57f9626e87defec6720c476b9789
still panics in the reproducible test case for bug
6564, as this is one case where such a message
(MSG_SMB_CONF_UPDATED) is sent to the parent. Metze
please check. This change passes valgrind.
Jeremy.
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metze
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metze
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metze
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metze
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metze
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metze
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metze
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metze
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metze
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This extends the file_id struct to add an additional generic uint64_t
field: extid. For backwards compatibility with dev/inodes stored in
xattr_tdbs and acl_tdbs, the ext id is ignored for these databases.
This patch should cause no functional change on systems that don't use
SMB_VFS_FILE_ID_CREATE to set the extid.
Existing code that uses the smb_share_mode library will need to be
updated to be compatibile with the new extid.
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And use signal events for Linux oplocks.
metze
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metze
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metze
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This converts the irix oplocks code to use a fd event
and removes the last special case for file descriptors
for the main sys_select().
metze
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We use a fd event and receive incoming smb requests
when the fd becomes readable. It's not completely
nonblocking yet, but it should behave like the old code.
We use timed events to trigger retries for deferred open calls.
metze
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The goal is to move all this variables into a big context structure.
metze
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