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It's always called with sizeof(buf)
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Feb 9 04:16:43 UTC 2021 on sn-devel-184
Fix clang compilation error:
error: format string is not a string literal [-Werror,-Wformat-nonliteral]
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
This routine looked fishy: We do cap_vals[num_cap_vals++] = XXX based
on #ifdefs and capabilities. Then later on we did a check that we did
not overwrite the stack. The change I did is to just count the number
of num_cap_vals++, right now it's 5. I know it is in different switch
branches, but with the #ifdefs it's a bit clumsy to read the exact
number of actual num_cap_vals++ that can happen in one run. On debian
buster, cap_val_t is an int, so this is not really wasting too much.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Commit 810397f89a, and possibly others, broke the build for macOS and
other environments which don't have st_[acm]tim fields on 'struct stat'.
Multiple places in the codebase used the config.h values to determine
how to access the nanosecond or microsecond values of the stat
timestamps, so rather than add more, centralize them all into
lib/util/time.c.
Also allow pvfs_fileinfo.c to read nanosecond-granularity timestamps on
platforms where it didn't before, since its #if branches were not
complete.
Signed-off-by: Matthew DeVore <matvore@google.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Aug 15 08:51:09 UTC 2020 on sn-devel-184
MS-SMB2 and the smbd code refer to this field as share_access. Use the
same name in the function argument.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
st_ex_file_id is an immutable, never reused numeric identifier for objects in a
filesystem.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
st_ex_itime is an immutable original birth time aka instantiation time. Set when
a file is created, never changes thereafter. May not be set by the client.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
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
