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to check for stat64 and friends, and then changes much of Samba
to use the data type SMB_OFF_T for file size information.
stat/fstat/lstat/lseek/ftruncate have now become sys_stat etc. to hide
the 64 bit calls if needed.
Note that this still does not expose 64 bit functionality to the
client, as the changes to the reply_xxx smb's are not yet done.
This code change should make these changes possible.
Still to do before full 64 bit-ness to the client:
fcntl lock code.
statfs code
widening of dev_t and ino_t (now possible due to SMB_DEV_T and SMB_OFF_T
types being in place).
Let me know if wierd things happen after this check-in and I'll
fix them :-).
Jeremy.
(This used to be commit 14500936c3)
observed from NT. We were aligning the data before but not the
parameters. This aligns both.
This change may break some other parts of ipc.c if we have relied on
the alignment somewhere, so if you think this broke something then let
me know.
(This used to be commit d252d33101)
mangling a name can't increase it's size which isn't true. (imagine a
file called "L B" which mangles to "LB~XX")
The symptoms were that users couldn't run batch files from short
directory names that contained non 8.3 characters (such as spaces).
(This used to be commit c319d8ea3f)
bit file interface for the NT SMB's.
Created a new define, SMB_STRUCT_STAT that currently is
defined to be struct stat - this wil change to a user
defined type containing 64 bit info when the correct
wrappers are written for 64 bit stat(), fstat() and lstat()
calls.
Also changed all sys_xxxx() calls that were previously just
wrappers to the same call prefixed by a dos_to_unix() call
into dos_xxxx() calls. This makes it explicit when a pathname
translation is being done, and when it is not.
Now, all sys_xxx() calls are meant to be wrappers to mask
OS differences, and not silently converting filenames on
the fly.
Jeremy.
(This used to be commit 28aa182dbf)
I made this change after getting a segv in reply_pipe_close(). The
funny thing was that pipes_open was 1 and Pipes was NULL. That "can't
happen" and suggests that we have a wild pointer somewhere.
I suspect the rpc code, as I was playing with long share names (a
share called "averylongusername") at the time and the logs show lots
of srvsvc operations. I bet there is a buffer in the rpc code
somewhere that is overflowing and trashing bits of the data segment.
(This used to be commit 9fee8c2eb7)
include/smb.h: Moved old typedefs of uint8 etc. into include/includes.h where
all the other defines live (changed them from typedefs to
defines).
Other changes : changed from using uint32 to SMB_DEV_T and SMB_INO_T
in preparation for moving to size independed (ie. 64 bit clean) device
and inode access. Stat call wrapper comes next :-).
Jeremy.
(This used to be commit 3d9ec96de5)
nmbd default behavior (appending to logs instead of overwriting them) into
the "Major Changes" section, but added a "Minor Changes" section for the
things that wouldn't affect the running of Samba itself (eg., the splay
tree for WINS and the change to DEBUG output).
Chris -)-----
(This used to be commit d4b714a6be)
also doesn't switch to a registration if a refresh fails, instead the
name is removed! This makes it even more imortant that a Samba WINS
server accepts refresh requests as registration requests if the name
is not registered. I've gone ahead and implemented this.
(This used to be commit 07f825fc94)
amount of network traffic grows as the square of the number of
workgroups. It probably wouldn't have caused problems but to be safe I
changed the code to use random() to decrease the probability of a
DMB<->DMB sync in proportion to the number of known workgroups. This
keeps the nice browse connectivity while making the traffic rise only
linearly with the number of workgroups.
(This used to be commit 685f4ef2e1)
The previous code was strictly correct, but not very practical. self
names were only refreshed every 3 days. I hit a situation where the
Samba WINS server was restarted after deleting wins.dat and didn't
notice some remote subnets (also running Samba). I realised that the
complete database wouldn't have been rebuilt for 3 days, which is way
too long. In order to recover from WINS restarts we need a much
shorter maximum refresh time.
(This used to be commit 1d23dd0912)
to work (not a lot of testing yet though).
Now we just need to deal with people worried about having more than
two nmbd processes sometimes. (the async processes are created on
demand for browse sync, so you'll only see more than 2 occasionally)
(This used to be commit a350a54680)
then obtained a node status response we need to remember the server
name of the master browser so that other browse clients asking us for
a workgroup list will get a entry for the master of that workgroup.
(This used to be commit 601f995ffb)
It now has a line like this:
VERSION 1 251152
the first number is a version #define in nmbd_winsserver.c and will be
used if we ever have to change the format again.
The second number is a hash of the current interfaces setting. It is
used to detect the case where nmbd is restarted on a machine after the
IP of the machine has changed (or the interfaces list has changed in
any way). When that happens we need to discard the old wins.dat cache
or you end up with chaos. This has bitten quite a few people, they
find that when they move a machine it continues using the old IP for
some things for the next week until the wins entries time out!
I've checked, and the old nmbd can handle the new format, although it
does spit out a spurious error message about the VERSION line. So
users can safely run 2.0alpha then switch back to 1.9.18 without
problems.
(This used to be commit c4a8cdc60a)
- changed the hash size to 13 (much smaller than before). This should
make for more efficient shared memory usage as it will lead to less
fragmentation.
(This used to be commit 9c1e4c2dae)
to account for padding/alignment issues. Eventually I'd like to find a
way to get rid of this construct altogether as it is a bit error
prone and hard to debug.
also added a new macro:
ZERO_STRUCTP() that takes a pointer to a structure and zeros the
structure. Used in nmbd to zero allocated structures before freeing
them to try to catch bugs a bit faster.
(This used to be commit d3dda65d51)
areas of memory before freeing them.
While doing this I also found a couple of real bugs. In two places we
were freeing some memory that came from the stack, which leads to
a certain core dump on many sytems.
(This used to be commit c5e5c25c85)
dumps. It is gone until someone can tell us why its needed and what it
does. (It was only used on OSF1 and core dumped there anyway!)
(This used to be commit a564e46627)
correctly. Added new parameter "stat cache size" - set to 50 by default.
I now declare the statcache code officially "open" for business :-).
It gets a hit rate of 97% with a NetBench run and seems to make
using a case insensitive run as efficient as a case sensitive run.
Also tidied up our sys_select usage - added a maxfd parameter and
also added an implementation of select in terms of poll(), for systems
where poll() is much faster. This is disabled by default.
Jeremy.
(This used to be commit 779b924ec1)
problem was a buffer overflow in process_node_status_request().
this really points out a general problem is allocating MAX_DGRAM_SIZE
packets on the stack in nmbd. There must be a better way.
(This used to be commit 7db45f169c)
