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the packets it receives, but it at least shows how the server
structure will work.
To implement it I extended the libcli/nbt/ library to allow for an
incoming packet handler to be registered. That allows the nbt client
library to be used for low level processing of the nbtd server packets.
Other changes:
- made the socket library always set SO_REUSEADDR when binding to an
interface, to ensure that restarts of a server don't have to wait
for a couple of minutes.
- made the nbt port configurable. Defaults to 137, but other ports
will be useful for testing.
(This used to be commit 2fedca6adfd4df9e85cc86896dfa79630777a917)
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large commit. I thought this was worthwhile to get done for
consistency.
(This used to be commit ec32b22ed5ec224f6324f5e069d15e92e38e15c0)
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I decided to incorporate the udp support into the socket_ipv4.c
backend (and later in socket_ipv6.c) rather than doing a separate
backend, as so much of the code is shareable. Basically this adds a
socket_sendto() and a socket_recvfrom() call and not much all.
For udp servers, I decided to keep the call as socket_listen(), even
though dgram servers don't actually call listen(). This keeps the API
consistent.
I also added a simple local sockets testsuite in smbtorture,
LOCAL-SOCKET
(This used to be commit 9f12a45a05c5c447fb4ec18c8dd28f70e90e32a5)
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connect(). This required a small API change (the addition of
a socket_connect_complete() method)
(This used to be commit b787dd166f5cca82b3710802eefb41e0a8851fc3)
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Both subsystems and modules can now have init functions, which can be
specified in .mk files (INIT_FUNCTION = ...)
The build system will define :
- SUBSYSTEM_init_static_modules that calls the init functions of all statically compiled modules. Failing to load will generate an error which is not fatal
- BINARY_init_subsystems that calls the init functions (if defined) for the subsystems the binary depends on
This removes the hack with the "static bool Initialised = " and the
"lazy_init" functions
(This used to be commit 7a8244761bfdfdfb48f8264d76951ebdfbf7bd8a)
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arrgh.
(This used to be commit 7842b23d01c53009259a2461600bd01159cecebf)
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- fix rep_inet_ntoa() for IRIX
- lib/signal.c needs system/wait.h
- some systems define a macro "accept", which breaks the lib/socket/ structures.
use fn_ as a prefix for the structure elements to avoid the problem
(This used to be commit ced1a0fcdc8d8e47755ce4391c19f8b12862eb60)
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I have created the include/system/ directory, which will contain the
wrappers for the system includes for logical subsystems. So far I have
created include/system/kerberos.h and include/system/network.h, which
contain all the system includes for kerberos code and networking code.
These are the included in subsystems that need kerberos or networking
respectively.
Note that this method avoids the mess of #ifdef HAVE_XXX_H in every C
file, instead each C module includes the include/system/XXX.h file for
the logical system support it needs, and the details are kept isolated
in include/system/
This patch also creates a "struct ipv4_addr" which replaces "struct
in_addr" in our code. That avoids every C file needing to import all
the system networking headers.
(This used to be commit 2e25c71853f8996f73755277e448e7d670810349)
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you set this option (either on the command line using --option or in
smb.conf) then every socket recv or send will return short by random
amounts. This allows you to test that the non-blocking socket logic in
your code works correctly.
I also removed the flags argument to socket_accept(), and instead made
the new socket inherit the flags of the old socket, which makes more
sense to me.
(This used to be commit 406d356e698da01c84e8aa5b7894752b4403f63c)
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SOCKET_FLAG_BLOCK is set.
(This used to be commit a2d92aa431e0e9752387eebe741d9e6f376f74d7)
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The main change is to make socket_recv() take a pre-allocated buffer,
rather than allocating one itself. This allows non-blocking users of
this API to avoid a memcpy(). As a result our messaging code is now
about 10% faster, and the ncacn_ip_tcp and ncalrpc code is also
faster.
The second change was to remove the unused mem_ctx argument from
socket_send(). Having it there implied that memory could be allocated,
which meant the caller had to worry about freeing that memory (if for
example it is sending in a tight loop using the same memory
context). Removing that unused argument keeps life simpler for users.
(This used to be commit a16e4756cd68ca8aab4ffc59d4d9db0b6e44dbd1)
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NT_STATUS_IS_ERR()
(This used to be commit 80a109de8458420ac0b40c563f4b3bc51424d759)
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If a socket is non-blocking then adding MSG_DONTWAIT is pointless (it
does nothing), so all we lose is the ability to set non-blocking on a
packet-by-packet basis, which is not a very useful thing to have
anyway
if the socket is blocking then the code already adds MSG_WAITALL, so
MSG_DONTWAIT is also not needed in that case.
(This used to be commit b8a2afae67691a609b4a7a577fee3f9518adc9d2)
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rather than doing everything itself. This greatly simplifies the
code, although I really don't like the socket_recv() interface (it
always allocates memory for you, which means an extra memcpy in this
code)
- fixed several bugs in the socket_ipv4.c code, in particular client
side code used a non-blocking connect but didn't handle EINPROGRESS,
so it had no chance of working. Also fixed the error codes, using
map_nt_error_from_unix()
- cleaned up and expanded map_nt_error_from_unix()
- changed interpret_addr2() to not take a mem_ctx. It makes absolutely
no sense to allocate a fixed size 4 byte structure like this. Dozens
of places in the code were also using interpret_addr2() incorrectly
(precisely because the allocation made no sense)
(This used to be commit 7f2c771b0e0e98c5c9e5cf662592d64d34ff1205)
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will shortly be using this for a rewrite of the intra-smbd messaging
library, which is needed to get lock timeouts working properly (and
share modes, oplocks etc)
(This used to be commit 6f4926d846965a901e40d24546eab356c4a537c7)
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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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hierarchical memory allocation
(This used to be commit 26da45a8019a2d6c9ff2ac2a6739c7d0b42b00de)
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need to add MSG_WAITALL to the recv() flags. This is needed by the
current server code or sometimes it will fail with a receive error.
(This used to be commit 4cb11fb77acf74ab53bf5782a114151965c558f0)
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as my box keeps getting hit by viruses spreading on my companies
internal network, which screws up my debug log badly (sigh).
metze, I'm not sure if you think access.c should go in the socket
library or not. It is closely tied to the socket functions, but you
may prefer it separate.
The access.c code is a port from Samba3, but with some cleanups to
make it (slighly) less ugly.
(This used to be commit 058b2fd99e3957d7d2a9544fd27071f1122eab68)
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metze
(This used to be commit a8ebb5c5bc6a8651867b46e87cf223cddf444e89)
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- fix some return and state bugs
metze
(This used to be commit 2757c593ab746b9dd7090f2cf5fcc31686adf67f)
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metze
(This used to be commit 8ade8ab65fffea9172a768a60fe2bd32493c068f)
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- add some error mappings
- use some flags SOCKET_FLAG_PEEK ans SOCKET_FLAG_BLOCK
metze
(This used to be commit a375c6b0b1ec4d63251f63993f7798c1f2e7c717)
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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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