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Andrew Bartlett
(This used to be commit 2b0f04167d6512c7eaa44f8234f0be63c55f9582)
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simplify code by making them aliases
(This used to be commit 91a1dc121cba77a3400935c199897cde50396cdd)
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transports.
ncalrpc uses the new config option "ncalrpc dir" for creating unix sockets.
(This used to be commit b15cfbe2512961a199ecb069730d9a19787579f5)
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the ntvfs_generic mapping functions rather than sending the exact
function asked for. This allows the generic mapping functions to be
tested by comparing the behaviour of smbtorture against two cifs
backend shares, one using "cifs:mapgeneric = true" and the other
"cifs:mapgeneric = False"
(This used to be commit c240c6bca5e10f1acbff45b0ed41c4c1ebcaae96)
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preparation for the full share modes and ntcreatex code that I am
working on.
highlights include:
- changed the way a backend determines if it is allowed to process a
request asynchronously. The previous method of looking at the
send_fn caused problems when an intermediate ntvfs module disabled
it, and the caller then wanted to finished processing using this
function. The new method is a REQ_CONTROL_MAY_ASYNC flag in
req->control_flags, which is also a bit easier to read
- fixed 2 bugs in the readbraw server code. One related to trying to
answer a readbraw with smb signing (which can't work, and crashed
our signing code), the second related to error handling, which
attempted to send a normal SMB error packet, when readbraw must
send a 0 read reply (as it has no header)
- added several more ntvfs_generic.c generic mapping functions. This
means that backends no longer need to implement such esoteric
functions as SMBwriteunlock() if they don't want to. The backend
can just request the mapping layer turn it into a write followed by
an unlock. This makes the backends considerably simpler as they
only need to implement one style of each function for lock, read,
write, open etc, rather than the full host of functions that SMB
provides. A backend can still choose to implement them
individually, of course, and the CIFS backend does that.
- simplified the generic structures to make them identical to the
principal call for several common SMB calls (such as
RAW_WRITE_GENERIC now being an alias for RAW_WRITE_WRITEX).
- started rewriting the pvfs_open() code in preparation for the full
ntcreatex semantics.
- in pvfs_open and ipc_open, initially allocate the open file
structure as a child of the request, so on error we don't need to
clean up. Then when we are going to succeed the open steal the
pointer into the long term backend context. This makes for much
simpler error handling (and fixes some bugs)
- use a destructor in the ipc backend to make sure that everthing is
cleaned up on receive error conditions.
- switched the ipc backend to using idtree for fnum allocation
- in the ntvfs_generic mapping routines, use a allocated secondary
structure not a stack structure to ensure the request pointer
remains valid even if the backend replies async.
(This used to be commit 3457c1836c09c82956697eb21627dfa2ed37682e)
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idr_get_new() limits
- change idr_get_new() to use > instead of >= in the limit check
(This used to be commit 834b09929bcb8aabdd151b7c2306001497cabdb4)
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zeroed memory
(This used to be commit 65b7316e9b4589b02a8bd94150ccbfe526f6d159)
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This adds a pvfs_wait_message() routine which uses the new messaging
system, event timers and talloc destructors to give a nice generic
async event handling system with a easy to use interface. The
extensions to pvfs_lock.c are based on calls to pvfs_wait_message()
routines.
We now pass all of our smbtorture locking tests, although while
writing this code I have thought of some additonal tests that should
be added, particularly for lock cancel operations. I'll work on that
soon.
This commit also extends the smbtorture lock tests to test the rather
weird 0xEEFFFFFF locking semantics that I have discovered in
win2003. Win2003 treats the 0xEEFFFFFF boundary as special, and will
give different error codes on either side of it. Locks on both sides
are allowed, the only difference is which error code is given when a
lock is denied. Anyone like to hazard a guess as to why? It has
me stumped.
(This used to be commit 4395c0557ab175d6a8dd99df03c266325949ffa5)
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(This used to be commit 1cef44505e5de9b8ae5206522b624082ad2343b2)
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enough for us to pass locktest, but does not yet support lock timeouts
and some of the other esoteric features.
(This used to be commit 58a92abd88f190bc60894a68e0528e95ae33fe39)
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caller doesn't have to worry about the constraint of only opening a
database a single time in a process. These wrappers will ensure that
only a single open is done, and will auto-close when the last instance
is gone.
When you are finished with a database pointer, use talloc_free() to
close it.
note that this code does not take account of the threads process
model, and does not yet take account of symlinks or hard links to tdb
files.
(This used to be commit 04e1171996612ddb15f84134cadded68f0d173b2)
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metze
(This used to be commit 757f67c08b0b1309d8a0b900539111c7bc430b0e)
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(This used to be commit f76a1cf640a909aa2a4e26e65f59020f9ab575f4)
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can correctly (and quickly!) handle unaligned little endian memory
accesses, just like i386. This should reduce code size and speeds
things up quite a lot on ppc, at the expense of some inline asm code
(whcih means it only works with gcc)
(This used to be commit 2a0c427c2bf2f8b0739f12c78151b819388c44d4)
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(This used to be commit 3318cf2722597e57d1731152b2607f6b167e45b9)
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on systems that have the intptr_t type, and for systems that don't
have it, they also almost certainly won't have -Wcast-qual, so we can use a
void* cast.
(This used to be commit 2132d38f9c5ba59825558d5ba084a514ebc2626b)
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of associated functions.
The motivation for this change was to avoid having to convert to/from
ucs2 strings for so many operations. Doing that was slow, used many
static buffers, and was also incorrect as it didn't cope properly with
unicode codepoints above 65536 (which could not be represented
correctly as smb_ucs2_t chars)
The two core functions that allowed this change are next_codepoint()
and push_codepoint(). These functions allow you to correctly walk a
arbitrary multi-byte string a character at a time without converting
the whole string to ucs2.
While doing this cleanup I also fixed several ucs2 string handling
bugs. See the commit for details.
The following code (which counts the number of occuraces of 'c' in a
string) shows how to use the new interface:
size_t count_chars(const char *s, char c)
{
size_t count = 0;
while (*s) {
size_t size;
codepoint_t c2 = next_codepoint(s, &size);
if (c2 == c) count++;
s += size;
}
return count;
}
(This used to be commit 814881f0e50019196b3aa9fbe4aeadbb98172040)
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which is much clearer and simpler to use. It removes a specific parent
from a pointer, no matter whether that parent is a "reference" or a
direct parent. This gives complete control over the free process.
(This used to be commit 6c563887f1b9b8c842309a523e88b6f2a32db10f)
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the % coverage in terms of lines of code of a test suite. I thought a
good first place to start with gcov was the talloc test suite. When I
started the test suite covered about 60% of all lines of code in
talloc.c, and now it covers about 99%. The only lines not covered are
talloc corruption errors, as that would cause smb_panic() to fire.
It will be interesting to try gcov on the main Samba test suite for
smbd. We won't achieve 100% coverage, but it would be nice to get to
90% or more.
I also modified the talloc.c sources to be able to be build standalone, using:
gcc -c -D_STANDALONE_ -Iinlcude lib/talloc.c
that should make it much easier to re-use talloc in other projects
(This used to be commit 8d4dc99b82efdf24b6811851c7bdd4af5a4c52c9)
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(This used to be commit f3844cc0a5ad6b03f166435d44db02763df345d7)
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a const pointer really means that "the data pointed to by this pointer
won't change", and that is certainly true of talloc(). The fact that
some behind-the-scenes meta-data can change doesn't matter from the
point of view of const.
this fixes a number of const warnings caused by const data structures
being passed as talloc contexts. That will no longer generate a
warning.
also changed the talloc leak reporting option from --leak-check to
--leak-report, as all it does is generate a report on exit. A new
--leak-report-full option has been added that shows the complete tree
of memory allocations, which is is quite useful in tracking things down.
NOTE: I find it quite useful to insert talloc_report_full(ptr, stderr)
calls at strategic points in the code while debugging memory
allocation problems, particularly before freeing a major context (such
as the connection context). This allows you to see if that context has
been accumulating too much data, such as per-request data, which
should have been freed when the request finished.
(This used to be commit c60ff99c3129c26a9204bac1c6e5fb386114a923)
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taking a context (so when you pass a NULL pointer you end up with
memory in a top level context). Fixed it by changing the API to take a
context. The context is only used if the pointer you are reallocing is
NULL.
(This used to be commit 8dc23821c9f54b2f13049b5e608a0cafb81aa540)
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rather than manual reference counts
- properly support SMBexit in the cifs and posix backends
- added a logoff method to all backends
With these changes the RAW-CONTEXT test now passes against the posix backend
(This used to be commit c315d6ac1cc40546fde1474702a6d66d07ee13c8)
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- talloc_strdup() and related functions get automatic names
(This used to be commit 0cf427d14fe0a19cb3e85b6191be220f3d81080a)
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to get auto-naming of pointers very cheaply.
- fixed a couple of memory leaks found with the new tricks
A typical exit report for smbd is now:
talloc report on 'null_context' (total 811 bytes in 54 blocks)
auth/auth_sam.c:334 contains 20 bytes in 1 blocks
struct auth_serversupplied_info contains 498 bytes in 33 blocks
UNNAMED contains 8 bytes in 1 blocks
lib/data_blob.c:40 contains 16 bytes in 1 blocks
iconv(CP850,UTF8) contains 61 bytes in 4 blocks
iconv(UTF8,CP850) contains 61 bytes in 4 blocks
iconv(UTF8,UTF-16LE) contains 67 bytes in 4 blocks
iconv(UTF-16LE,UTF8) contains 67 bytes in 4 blocks
UNNAMED contains 13 bytes in 1 blocks
which is much better than before
(This used to be commit 6e721393d03afd3c2f8ced8422533547a9e33342)
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auto-derived from the type you are allocating. This is done with
basically zero overhead by relying on the stringify operator in cpp
producing string constants.
the result is that --leak-check nicely names all pointers that come
from talloc_p()
(This used to be commit bd86ebe2972af4d424df20db1e422919aa6203d0)
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const warnings for a long time, and no real way to approach a
solution. Some of them are unavoidable due to the way the C standard
works (for example, any function that provides strchr() like
functionality _must_ produce a const warning)
I will be converting a bunch of places that currently produce const
warnings to use the discard_const_p(). Some of these will be
unavoidable const problems, some of them will be ones we will fix up
over time. At least this change means we will no longer be swamped
with const warnings, and we will easily be able to see when new
problems emerge.
(This used to be commit fec3288ad6ce58e8273e3f16e88037db49ecf046)
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server side request structure to prevent a structing being freed in
some circumstances. This change replaces this with the much more
robust mechanism of talloc_increase_ref_count().
(This used to be commit 3f7741f178b359f81cc98ef18cd69bf976123e9f)
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{get,set}ntacl
programs can build on non-xattr machines.
(This used to be commit daad76207dbb4060c231a58c99970e837e1e858f)
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(This used to be commit 4e4859c06b9de5fe60ebd17cfb09eed480b79ec1)
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- Samba4-style code in lib/registry (struct registry_key instead of REG_KEY, etc)
- Use hives (like Windows has drives) instead of one root key (like a Unix FS)
- usability fixes in the GTK utilities (autodetect the username,
enable/disable options, etc)
- fix gwsam compile
- several bugfixes in the registry rpc code
- do charset conversion in nt4 registry backend
(This used to be commit 2762ed3b9bf1d67dd54d63e02cddbfd71ea89892)
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(This used to be commit 7c31998da148cca53e798e3d89b9b754de2e64ac)
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original core level calls). The old code was completely wrong in many respects.
also fixed the EA_SIZE level in the server
extended the RAW-SEARCH test suite to test the new code properly
(This used to be commit 71480271ad84b57fcdde264a54bb2408cf783255)
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(This used to be commit 3bf55c9e1129d8036a968c49ac2de7260e657f53)
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(This used to be commit ea7eac5e3fb8f0db8d412a95ef4dc7889a07bc73)
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pointless
(This used to be commit 5fcad57128e47d4d6c0f387d5563d9de2fc08351)
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this is still very much a skeleton (with many limbs missing too!). I
am committing this early to get some feedback on the approach taken.
(This used to be commit 40d5cae5ebbfe328e193eadb685df6a370730299)
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(This used to be commit 1de5aa5b1d6a9b4b3ed18935c562b0bf03a4d94e)
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independent socket library.
this is not used, but compiled currently
there're maybe some api changes later...
metze
(This used to be commit de4447d7a57c614b80d0ac00dca900ea7e1c21ea)
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based on volker's patch
this is compiled by default but not started by default
metze
(This used to be commit 5387bc423d4dc669cbac6626f8dd3a5498a6519d)
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PRINTF_ATTRIBUTE() format checking magic, so only enable it for gcc
versions >= 3.0
(This used to be commit 9c7100e3c770fca163d3788fc6b735457f74d7e9)
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I had previously thought this was unnecessary, as windows doesn't use
standards compliant UTF-16, and for filesystem operations treats bytes
as UCS-2, but Bjoern Jacke has pointed out to me that this means we
don't correctly store extended UTF-16 characters as UTF-8 on
disk. This can be seen with (for example) the gothic characters with
codepoints above 64k.
This commit also adds a LOCAL-ICONV torture test that tests the first
1 million codepoints against the system iconv library, and tests 5
million random UTF-16LE buffers for identical error handling to the
system iconv library.
the lib/iconv.c changes need backporting to samba3
(This used to be commit 756f28ac95feaa84b42402723d5f7286865c78db)
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I plan on replacing the concept by adding a generic destructor in all talloc ptrs, so you can do:
talloc_set_destructor(ptr, my_destructor);
to setup a function that will be called on free.
(This used to be commit 957b260621c091830c01e9e8c370c199350342ec)
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metze
(This used to be commit 71992c90cc35179ea8783d770c89b16618e1adc6)
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(This used to be commit 6ffdfd779936ce8c5ca49c5f444e8da2bbeee0a8)
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It simplifies our structure handling a lot, making the code shorter
and easier to understand. Look at the diff carefully and see if you
can understand it. If you're still confused then please ask.
(This used to be commit 03c341aca7f09cb1f0d33ec65e074e6a00caa30f)
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This version does the following:
1) talloc_free(), talloc_realloc() and talloc_steal() lose their
(redundent) first arguments
2) you can use _any_ talloc pointer as a talloc context to allocate
more memory. This allows you to create complex data structures
where the top level structure is the logical parent of the next
level down, and those are the parents of the level below
that. Then destroy either the lot with a single talloc_free() or
destroy any sub-part with a talloc_free() of that part
3) you can name any pointer. Use talloc_named() which is just like
talloc() but takes the printf style name argument as well as the
parent context and the size.
The whole thing ends up being a very simple piece of code, although
some of the pointer walking gets hairy.
So far, I'm just using the new talloc() like the old one. The next
step is to actually take advantage of the new interface
properly. Expect some new commits soon that simplify some common
coding styles in samba4 by using the new talloc().
(This used to be commit e35bb094c52e550b3105dd1638d8d90de71d854f)
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metze
(This used to be commit ecf6be894fc47f9e00f46531e06ef20e11115c0f)
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and deal with users DOMAIN and lp_workgroup() of the local workstation
metze
(This used to be commit 1fc0100e44a8640cfc15effb99f5824cb7817da8)
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metze
(This used to be commit 64d61ef4a5b44e76c90914ebaeaafac58228d78c)
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