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Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Jan 5 18:00:17 UTC 2023 on sn-devel-184
The SMB_REALLOC macro properly deals with failure to realloc, so
overwriting the target variable is correct here.
Signed-off-by: Volker Lendecke <vl@samba.org>
We're now thread-safe by using TLS, so the global lock isn't needed anymore.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Jan 5 12:34:35 UTC 2023 on sn-devel-184
The global locking can lead to deadlocks when using nscd: when processing the
first request in winbind, when we know we call into code that will recurse into
winbind we call winbind_off() which sets an environment variable which is later
checked here in the nsswitch module.
But with nscd in the stack, we don't see the env variable in nsswitch, so when
we try to acquire the global lock again, it is already locked and we deadlock.
By using a thread specific winbindd_context, plus a few other thread local global
variables, we don't need a global lock anymore.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Switch to using TLS for all global variables. No change in behaviour.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This is a bit more involved as readdir_attr_data needs to be looked
at. The meaning of this if-statements should be the same though,
readdir_attr_data can only be non-NULL if we don't have a reparse
point around. See the beginning of smbd_marshall_dir_entry().
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Jan 4 09:48:37 UTC 2023 on sn-devel-184
smbd_do_qfilepathinfo() does not use the lock data anymore, we can
pass NULL/0 now.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Most of this is direct cut&paste without reformatting.
Don't pass SMB_SET_POSIX_LOCK through smbd_do_setfilepathinfo(),
directly handle it in call_trans2setfileinfo() where we know we have a
fsp.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Most of this is direct cut&paste without reformatting.
Don't pass SMB_SET_FILE_UNIX_HLINK through smbd_do_setfilepathinfo(),
directly handle it in call_trans2setpathinfo() where we know we have a
path.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Most of this is direct cut&paste without reformatting.
Don't pass SMB_SET_FILE_UNIX_LINK through smbd_do_setfilepathinfo(),
directly handle it in call_trans2setpathinfo() where we know we have a
path.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Most of this is direct cut&paste without reformatting.
Don't pass SMB_POSIX_PATH_UNLINK through smbd_do_setfilepathinfo(),
directly handle it in call_trans2setpathinfo() where we know we have a
path.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Most of this is direct cut&paste without reformatting.
Don't pass SMB_POSIX_PATH_OPEN through smbd_do_setfilepathinfo(),
directly handle it in call_trans2setpathinfo() where we know we have a
path.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Move the file/path specific preparations to the respective callers.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
What's left was just a simple wrapper around smbd_do_setfilepathinfo()
and handle_trans2setfilepathinfo_result()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This will be lifted up in the next patches. We can also remove the
REALLOC of *pparams, for this we only ever send 2 NULL bytes that we
stack-allocate now.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Move the file/path specific preparations to the respective callers.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
MacOS clients send SMB2 DFS pathnames as \server\share\file\name.
Ensure smbd can cope with this by stipping any leading '\\'
characters from an SMB2 packet with the DFS flag set.
Remove knownfail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15277
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Jan 4 07:46:06 UTC 2023 on sn-devel-184
Shows that we fail to cope with MacOSX clients that send a
(or more than one) leading '\\' character for an SMB2 DFS pathname.
I missed this in earlier tests as Windows, Linux, and
libsmbclient clients do NOT send a leading backslash
for SMB2 DFS paths. Only MacOSX (sigh:-).
Passes against Windows. Adds a knownfail for smbd.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15277
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
The FreeBSD extattr API may return success and truncated
namelist. We need to check for this in bsd_attr_list to
ensure that we don't accidentally read off the end of the
buffer. In the case of a truncated value, the pascal
strings for attr names will reflect the lengths as if
the value were not truncated. For example:
`58DosStrea`
In case of short read we now set error to ERANGE and
fail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15271
Signed-off-by: Andrew Walker <awalker@ixsystems.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Jan 2 14:27:23 UTC 2023 on sn-devel-184
