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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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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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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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this case the bug was that server_terminate_connection() destroys the
server context, which in turn cascades down to destroy all current
request contexts, so we musn't then try to destroy the request
structure a second time.
(This used to be commit 28a647f681e2166c01f7ac59b16305676d5caa71)
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The intial motivation for this commit was to merge in some of the
bugfixes present in Samba3's chrcnv and string handling code into
Samba4. However, along the way I found a lot of unused functions, and
decided to do a bit more...
The strlen_m code now does not use a fixed buffer, but more work is
needed to finish off other functions in str_util.c. These fixed
length buffers hav caused very nasty, hard to chase down bugs at some
sites.
The strupper_m() function has a strupper_talloc() to replace it (we
need to go around and fix more uses, but it's a start). Use of these
new functions will avoid bugs where the upper or lowercase version of
a string is a different length.
I have removed the push_*_allocate functions, which are replaced by
calls to push_*_talloc. Likewise, pstring and other 'fixed length'
wrappers are removed, where possible.
I have removed the first ('base pointer') argument, used by push_ucs2,
as the Samba4 way of doing things ensures that this is always on an
even boundary anyway. (It was used in only one place, in any case).
(This used to be commit dfecb0150627b500cb026b8a4932fe87902ca392)
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smb_conn->socket has gone away, and the packet count is now in the
main structure.
Andrew Bartlett
(This used to be commit 2e197f05ff186783bb76f7cb972faed3e8cb1ce7)
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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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metze
(This used to be commit 2fd577d2417e117a7e8c1a56feb147eae805df34)
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metze
(This used to be commit 1854907da8d577db41de9aa14573d5c8c0092f47)
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(This used to be commit 21ef338cbbe96acc8594ffc550ef60c6a40fb951)
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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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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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signing code to be able to cope.
Andrew Bartlett
(This used to be commit cb74d52b563730a50e33c92d868c45ee96a598e8)
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the idea is to have services as modules (smb, dcerpc, swat, ...)
the process_model don't know about the service it self anymore.
TODO:
- the smbsrv should use the smbsrv_send function
- the service subsystem init should be done like for other modules
- we need to have a generic socket subsystem, which handle stream, datagram,
and virtuell other sockets( e.g. for the ntvfs_ipc module to connect to the dcerpc server
, or for smb or dcerpc or whatever to connect to a server wide auth service)
- and other fixes...
NOTE: process model pthread seems to be broken( but also before this patch!)
metze
(This used to be commit bbe5e00715ca4013ff0dbc345aa97adc6b5c2458)
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because this is the connection state per transport layer (tcp)
connection
I also moved the substructs directly into smbsrv_connection,
because they don't need a struct name and we should allway pass the complete
smbsrv_connection struct into functions
metze
(This used to be commit 60f823f201fcedf5473008e8453a6351e73a92c7)
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metze
(This used to be commit a85d2db5826a84b812ea5162a11f54edd25f74e3)
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because I need server_context fot the generic server infastructure
metze
(This used to be commit 0712f9f30797e65362c99423c0cf158a2f539000)
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STATUS_BUFFER_OVERFLOW when more data is present.
(This used to be commit 0e557fe85748558affd20a58455c4b75fee69e27)
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metze
(This used to be commit 57151e80eb1090281401930c8fe25b20a8cf3a38)
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- remove unused lib/smbpasswd.c
- don't set the pkt size twice when doing SMB signing
(This used to be commit 69a2942f7987647a32d43c71f41ac1a82a82ccda)
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metze
(This used to be commit 2986c5f08c8f0c26a2ea7b6ce20aae025183109f)
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metze
(This used to be commit af6f1f8a01bebbecd99bc8c066519e89966e65e3)
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metze
(This used to be commit 0e5517d937a2eb7cf707991d1c7498c1ab456095)
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(This used to be commit 8e5ddf5e8eb74f667897f90baa2d00f02ca5818b)
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range of NTSTATUS codes that are normally invalid to prevent conflicts
with real error codes.
use the new DOS facility to fix the ERRbaduid return that volker found
(This used to be commit 10fdfb52398857b604fff9684ee65a96d970bdaa)
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and create the SMB server subsystem
- remove unused XML and MYSQL configure tests
metze
(This used to be commit 956d212c83d8ebd8e31ec109f17dc2105ca72c30)
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