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shmem_sysv.c: Fix for shared memory problems on several systems,
Second and subsequent use of shmget should use zero
as the size. Fix from Veselin Terzic <vterzic@systems.DHL.COM>
Jeremy.
(This used to be commit 1cd94b24592ca31ffae671acfd83b0d42b212cab)
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preserve'.
Also removed 'domain allow/deny' parameters.
shmem_sysv.c: Added strerror code so I can see why sysV calls are failing.
lib/rpc/server/srv_netlog.c: Removed code that used 'domain allow/deny' parameters -
replaced with a comment so I will remember to fix this later.
Jeremy.
(This used to be commit 5f46c7c4b11a75f1ffbd806cde915b4bf28232db)
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everywhere. I've implemented slprintf() as a bounds checked sprintf()
using mprotect() and a non-writeable page.
This should prevent any sprintf based security holes.
(This used to be commit ee09e9dadb69aaba5a751dd20ccc6d587d841bd6)
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includes (ie. unpatched RH5) Samba gets file corruption because of the
incorrect definition of the shmid_ds structure. Updating your RH5
installation of glibc-devel fixes this.
- don't try to fcntl_lock() a read-only fd in shmem.c
- allow level 0 debug messages to get through in smbstatus
(This used to be commit 45553771f90087a12db0153524146d42155d1d3f)
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This is merely updating the Copyright statements from 1997 to 1998.
It's a once a year thing :-).
NO OTHER CHANGES WERE MADE.
Jeremy.
(This used to be commit b9c16977231efb274e08856f7f3f4408dad6d96c)
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with the ntdom branch
(This used to be commit 213c3a4ed27cdc689e941b9a6d70e02e8b7dedd4)
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- be a little bit more friendly about grabbing semaphores
(This used to be commit 87f88708939a3b72b26716a0d6648c4ea2d14047)
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OSes. Instead add explicit checks for dead locks at startup.
(This used to be commit 79858d610c37675b9dc56a949723053ac9b67620)
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(This used to be commit 6d77311d6cecabafb86c02e26b30724425ef6208)
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have done the semget() as root. The problem is that become_root() and
unbecome_root() are so slow!
I've provided two options. The default is to set the semaphores (but
_not_ the shared memory) world writeable so that a become_root() isn't
needed. Otherwise you can define SECURE_SEMAPHORES and pay the
performance penalty.
(This used to be commit 2bbd8d2cbc5cf1901859a181bc9ec29822995e51)
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and made it private to the 2 shmem implementations. Added new
shmops->hash_size() function.
Added code to handle the IPC system limits by looping decreasing the
size of the resources (semaphores and shared memory) that we request
until we get under the system limits, which can be quite low on some
systems!
Added checks that the creator of the IPC objects is root. Otherwise we
would be open to a security hole where someone pre-creates the shared
memory segment and attaches.
(This used to be commit 6b6f624b63137d4750200e8cb4961b1402513632)
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(This used to be commit 6ca96782ace2258707f49d204726a00baef9d941)
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It will try sysv IPC first, then if that fails it will try mmap(),
then after that it will try share files.
I have defined USE_SYSV_IPC for Linux, Solaris and HPUX at the
moment. Probably a lot more could have it defined. In fact, the vast
majority of systems support it. Need autoconf again :-)
It should actually be faster than the mmap() version, and doesn't need
any lock files. This means the problem of the share mem file being on
a NFS drive will be gone.
(This used to be commit cc8fe0f0629eea9acc39e30d8d76d5890a5b6978)
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