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This checks for posix_fallocate unless we are sitting on an ancient glibc.
With this we don't need HAVE_BROKEN_POSIX_FALLOCATE anymore,
HAVE_POSIX_FALLOCATE will only be defined if we have a valid [g]libc.
./configure tested on Debian, FreeBSD (which does have posix_fallocate) and
OpenBSD (which does not have posix_fallocate). Also tested with changing the
not have an old-enough glibc around. All did the right thing.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If setlen == 0 then the second argument must be ignored.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12747
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This was added by Jeremy with 3cf31a194f, do the (C) accordingly
sys_popen is a pretty isolated functionality, and I'd like to use it
soon without "includes.h", needed by "proto.h"
Except for one malloc->talloc this is supposed to be a 1:1 copy
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Add sys_realpath() function that captures the OS variations
on realpath().
Signed-off-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If Samba is configured with FALLOC_FL_PUNCH_HOLE support, then allow
sys_fallocate() to propogate the flag to syscall invocation.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The Linux fallocate syscall offers a mode parameter which can take the
following flags:
FALLOC_FL_KEEP_SIZE
FALLOC_FL_PUNCH_HOLE (since 2.6.38)
FALLOC_FL_COLLAPSE_RANGE (since 3.15)
FALLOC_FL_ZERO_RANGE (since 3.14)
The flags are not exclusive, e.g. FALLOC_FL_PUNCH_HOLE must be specified
alongside FALLOC_FL_KEEP_SIZE.
Samba currently takes a vfs_fallocate_mode enum parameter for the VFS
fallocate hook, taking either an EXTEND_SIZE or KEEP_SIZE value. This
commit changes the fallocate hook such that it accepts a uint32_t flags
parameter, in preparation for PUNCH_HOLE and ZERO_RANGE support.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The Linux kernel has a bug in that it can give spurious
wakeups on a non-blocking UDP socket for a non-deliverable packet.
When nmbd was changed to use non-blocking sockets it
became vulnerable to a spurious wakeup from poll/epoll.
Fix sys_recvfile() to return on EWOULDBLOCK/EAGAIN.
CVE-2014-0244
https://bugzilla.samba.org/show_bug.cgi?id=10633
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
printing.c was the last user of this syslog wrapper.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Nov 20 10:19:32 CET 2013 on sn-devel-104
AIX uses struct stat64 with struct timespec64, so direct assignment does
not work any more.
Pair-Programmed-With: Volker Lendecke <vl@samba.org>
Signed-off-by: Christian Ambach <ambi@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Aug 2 09:47:43 CEST 2013 on sn-devel-104
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Apr 12 16:21:10 CEST 2013 on sn-devel-104
Will allow thread-specific credentials to be added by modifying
the central definitions. Deliberately left the setXX[ug]id()
call in popt as this is not used in Samba.
With this change, the define to check for AIO is HAVE_AIO, consistant
with other subsystems.
It is now also on by default in the autoconf build, as it has been for waf.
Andrew Bartlett
Now that we always require a 64 bit off_t, we no longer need SMB_OFF_T.
Andrew Bartlett
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Fri Apr 6 01:47:43 CEST 2012 on sn-devel-104
