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If a file is closed we must also NULL out all chained_fsp
pointers when the fsp is freed to prevent invalid pointer
access.
Jeremy.
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This is more in line with the rest of the Samba code, like connections_forall
etc.
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files
from Windows 7. Original patch by me fixed up with the correct open files number
by jmaggard10@hotmail.com.
Jeremy.
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Jeremy.
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Jeremy
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recent versions of Samba.
Without this fix, renaming a directory ./a to ./b, whilst a directory ./aa was already open
would fail.
Jeremy.
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Recently code was added to match windows semantics of denying the
rename of a directory if there are open files underneath it. This
does partly match windows semantics, but it turns out the rename
should be allowed if the open file handle is for the directory being
renamed, or for a stream on the directory being renamed. This patch
refines the check to better follow these rename semantics.
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This is to ease the linking pain of everything that links LOCKING_OBJ
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This optimizes non-recursive notifys. For non-recursive notifies we can use a
per-directory file-id indexed notify record. This matters for the Windows
Explorer and IIS cases which do not use recursive notifies. In these cases, we
do not have to shuffle around the whole notify record on every change.
For the cluster case, this improves correctness of the notifies, ctdb only
distributes the tdb seqnum once a second, so we can lose notifies.
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Inside a directory, keep a file open and then renaming
the directory should fail with ACCESS_DENIED.
Jeremy.
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The goal is to move all this variables into a big context structure.
metze
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Restructures parts of open code so that fsp must be allocated before calling
open_file_ntcreate(_internal). Also fix up file ref-counting inside files.c.
Jeremy.
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on the way to get rid of chain_fsp
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Goal is to remove the chain_fsp global variable
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The goal is to get rid of the chain_fsp global variable
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STATUS_OBJECT_NAME_NOT_FOUND on set file disposition call.
This was my fault. I use a singleton cache (positive and negative) to speed up pathname based qfileinfo/setfileinfo lookups for alternate fsp's open on the same path. I only invalidated the negative cache on adding a new file fsp, as I incorrectly imagined the new fsp was put at the *end* of the open files list. DLIST_ADD puts it at the start, meaning any subsequent open wasn't seen once the cache was set. Doh !
Jeremy.
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disposition.
We were checking that fd != -1 in file_find_di_XXX calls which is no longer
needed due to a change in internal semantics.
Jeremy.
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being (correctly) used in the can_read/can_write checks for hide unreadable/unwritable
and this is more properly done using the functions in smbd/file_access.c.
Preparing to do NT access checks on all file access.
Jeremy.
(This used to be commit 6bfb06ad95963ae2acb67c4694a98282d3b29faa)
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We now never call file_ntimes() directly, every update
is done via smb_set_file_time().
This let samba3 pass the BASE-DELAYWRITE test.
The write time is only updated 2 seconds after the
first write() on any open handle to the current time
(not the time of the first write).
Each handle which had write requests updates the write
time to the current time on close().
If the write time is set explicit via setfileinfo or setpathinfo
the write time is visible directly and a following close
on the same handle doesn't update the write time.
metze
(This used to be commit 2eab212ea2e1bfd8fa716c2c89b2c042f7ba12ea)
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(This used to be commit 9fead46b54519b3df78a869dbc99207046587d6a)
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(This used to be commit 5c6c8e1fe93f340005110a7833946191659d88ab)
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This removes file_id_string_static and file_id_string_static2
(This used to be commit 638c848c9afe374feb30e34c494f89b2a6c64f7b)
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This removes the buf==NULL condition in file_fsp(), but wherever it is called
we do have a buffer anyway.
Volker
(This used to be commit d70a1f82fed64fa332f16407bea7c6671f48c59a)
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(This used to be commit a54fa551a4b9ffe3f29b339a54e563cdfe924959)
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(This used to be commit b0132e94fc5fef936aa766fb99a306b3628e9f07)
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Jeremy.
(This used to be commit 407e6e695b8366369b7c76af1ff76869b45347b3)
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on fsp close or removal of oplock. Mulitple removals
are safe.
Jeremy.
(This used to be commit 6de0970704b3eff2b71e6bf499c6dda45d4d5e2d)
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failed expression in SMB_ASSERT.
(This used to be commit 171dc060e2a576d724eed1ca65636bdafffd7713)
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This replaces the internal explicit dev/ino file id representation by a
"struct file_id". This is necessary as cluster file systems and NFS
don't necessarily assign the same device number to the shared file
system. With this structure in place we can now easily add different
schemes to map a file to a unique 64-bit device node.
Jeremy, you might note that I did not change the external interface of
smb_share_modes.c.
Volker
(This used to be commit 9b10dbbd5de8813fc15ebbb6be9b18010ffe8139)
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for utimes - change the call to ntimes. This preserves
nsec timestamps we get from stat (if the system supports
it) and only maps back down to usec or sec resolution
on time set. Looks bigger than it is as I had to move
lots of internal code from using time_t and struct utimebuf
to struct timespec.
Jeremy.
(This used to be commit 8f3d530c5a748ea90f42ed8fbe68ae92178d4875)
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(This used to be commit 0c8a364aec68bc7338d034b6f8223ec4085c9e07)
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It should probably better be integrated with our write cache.
Volker
(This used to be commit 58bfd168b046a97a895aaa3384fd7af8d077a1d5)
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Now to clean up / fix lots of stuff.
Volker
(This used to be commit 9e7443fa1417c01be903b15073825dc4def78d99)
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make sense
again :-)
Volker
(This used to be commit 5533cdeec1b0cdee39b1d89e2320587dc9281ee6)
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starts to make
sense. Until then, remove it from the tree to keep the diff between 3_0_24 and
3_0 small.
Volker
(This used to be commit f146a85e74c84e78a11e616a1cbeaeef4693a0e0)
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survives the
first of the raw-notify subtests, the one-level test_notify_dir without any
flags around yet.
The tricky part was getting the data structures right, I hope the next tests
don't let that fall over.
fsp->notify is now by default NULL, meaning that nobody has issued a
changenotify call. This means nobody is interested in changes for this
directory.
If that has happened, notify_change_buf collects the changes if no current
request is outstanding, and it collects the requests if no change has happened
since the last request.
Happy New Year, somewhere on this planet it's already 2007 :-)
Volker
P.S: Jeremy, there's a question for you in smbd/files.c line 367.
(This used to be commit ce0ad24988075465addcac0b9afc872e909135af)
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Checking in because Jeremy was bugging me. Potentially this becomes quite
intrusive, I'm not sure if I should open a temporary branch for this.
Jeremy, Jerry, do you think 3_0 is the right place for this?
Volker
(This used to be commit bcf5c751cbe203c00814642e26440cf88f300bce)
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to do the upper layer directories but this is what
everyone is waiting for....
Jeremy.
(This used to be commit 9dafb7f48ca3e7af956b0a7d1720c2546fc4cfb8)
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(This used to be commit 72f103708d17aa86e09fa7a02699f969f7ee9190)
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fsp pointers. Ensure we cope with this to pass Samba4
DENY tests (we used to pass these, there must have been
a regression with newer code). We now pass them.
Jeremy
(This used to be commit fd6fa1d4eaf61783df74ee2da50d331477f06998)
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Jeremy.
(This used to be commit 71e81580421225d5b35a25d46a7b6064a826685c)
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