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replaced by asterisks in audit log.
Check for the ALTER USER command added.
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The reason for the crash was that there was not a write lock to
protect against file rotations in the server_audit plugin after an
audit plugin patch to changed audit mutexes to read & write locks.
The fixes are:
* Moving server_audit.c to use read & write locks (which improves
performance).
* Added functionality in file_logger.c to not do file rotations until
it is allowed by the caller (done without any interface changes for
the logging service).
* Move checking of file size limit to server_audit.c and if it is time to
do a rotation change the read lock to a write lock and tell file_logger
that it is now allowed to rotate the log files.
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Note, the fix for "MDEV-23328 Server hang due to Galera lock conflict resolution"
was null-merged. 10.4 version of the fix is coming up separately
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The assertion failed in handler::ha_reset upon SELECT under
READ UNCOMMITTED from table with index on virtual column.
This was the debug-only failure, though the problem is mush wider:
* MY_BITMAP is a structure containing my_bitmap_map, the latter is a raw
bitmap.
* read_set, write_set and vcol_set of TABLE are the pointers to MY_BITMAP
* The rest of MY_BITMAPs are stored in TABLE and TABLE_SHARE
* The pointers to the stored MY_BITMAPs, like orig_read_set etc, and
sometimes all_set and tmp_set, are assigned to the pointers.
* Sometimes tmp_use_all_columns is used to substitute the raw bitmap
directly with all_set.bitmap
* Sometimes even bitmaps are directly modified, like in
TABLE::update_virtual_field(): bitmap_clear_all(&tmp_set) is called.
The last three bullets in the list, when used together (which is mostly
always) make the program flow cumbersome and impossible to follow,
notwithstanding the errors they cause, like this MDEV-17556, where tmp_set
pointer was assigned to read_set, write_set and vcol_set, then its bitmap
was substituted with all_set.bitmap by dbug_tmp_use_all_columns() call,
and then bitmap_clear_all(&tmp_set) was applied to all this.
To untangle this knot, the rule should be applied:
* Never substitute bitmaps! This patch is about this.
orig_*, all_set bitmaps are never substituted already.
This patch changes the following function prototypes:
* tmp_use_all_columns, dbug_tmp_use_all_columns
to accept MY_BITMAP** and to return MY_BITMAP * instead of my_bitmap_map*
* tmp_restore_column_map, dbug_tmp_restore_column_maps to accept
MY_BITMAP* instead of my_bitmap_map*
These functions now will substitute read_set/write_set/vcol_set directly,
and won't touch underlying bitmaps.
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Support membership tests in SSPI with special prefix form
CREATE USER u IDENTIFIED WITH gssapi AS "GROUP:<group_name>"
or
CREATE USER u IDENTIFIED WITH gssapi AS "SID:<sid>"
If user is created as one of the above, after successful SSPI handshake,
this will happen
1) If "GROUP:" prefix is used, then <group_name> is translated to SID
using LookupAccountName() API
2) SSPI user is checked for SID membership with
ImpersonateSecurityContext() and CheckMembership() APIs
Note, that it <group>/<sid> do not need strictly to refer to an actual
group.
Identity test is also supported, e.g "GROUP:<users_name>" or
"SID:<user_sid>" will work too.
Well-known SIDs (in SDDL syntax) appear to be supported such as
"SID:WD" will refer to World/Everyone (== "SID:S-1-1-0")
or
"SID:BA" will refer to Administrators (== "SID:S-1-5-32-544")
In UAC environments, for successful checks against Administrators group,
elevation(Run As Administrator) might be necessary, since CheckMembership()
needs groups to be marked as enabled in the token group list.
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plugin/auth_pam/testing/pam_mariadb_mtr.c on FreeBSD
Compiler warnings generated on building MariaDB server for BSD has the same
reason as in case building is performed on MacOS. Both platforms do use
clang as a C/C++ compiler. So, fix the compiler warnings in case the compiler
is clang doesn't matter what kind of building platform do we use for building.
This is a follow-up patch for the following bug reports:
MDEV-23564: CMAKE failing due to deprecated Apple GSS method
MDEV-23935: Fix warnings generated during compilation of
plugin/auth_pam/testing/pam_mariadb_mtr.c on MacOS
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The fix of MDEV-17556 (commit e25623e78a3efde05e30070dc7362f8dc0d8c459
and commit 61a362c9493df63dc588fcb71409537ae56ab9c8) has been
omitted due to conflicts and will have to be applied separately later.
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The assertion failed in handler::ha_reset upon SELECT under
READ UNCOMMITTED from table with index on virtual column.
This was the debug-only failure, though the problem is mush wider:
* MY_BITMAP is a structure containing my_bitmap_map, the latter is a raw
bitmap.
* read_set, write_set and vcol_set of TABLE are the pointers to MY_BITMAP
* The rest of MY_BITMAPs are stored in TABLE and TABLE_SHARE
* The pointers to the stored MY_BITMAPs, like orig_read_set etc, and
sometimes all_set and tmp_set, are assigned to the pointers.
* Sometimes tmp_use_all_columns is used to substitute the raw bitmap
directly with all_set.bitmap
* Sometimes even bitmaps are directly modified, like in
TABLE::update_virtual_field(): bitmap_clear_all(&tmp_set) is called.
The last three bullets in the list, when used together (which is mostly
always) make the program flow cumbersome and impossible to follow,
notwithstanding the errors they cause, like this MDEV-17556, where tmp_set
pointer was assigned to read_set, write_set and vcol_set, then its bitmap
was substituted with all_set.bitmap by dbug_tmp_use_all_columns() call,
and then bitmap_clear_all(&tmp_set) was applied to all this.
To untangle this knot, the rule should be applied:
* Never substitute bitmaps! This patch is about this.
orig_*, all_set bitmaps are never substituted already.
This patch changes the following function prototypes:
* tmp_use_all_columns, dbug_tmp_use_all_columns
to accept MY_BITMAP** and to return MY_BITMAP * instead of my_bitmap_map*
* tmp_restore_column_map, dbug_tmp_restore_column_maps to accept
MY_BITMAP* instead of my_bitmap_map*
These functions now will substitute read_set/write_set/vcol_set directly,
and won't touch underlying bitmaps.
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fixing windows build.
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server_audit_excl_users/server_audit_incl_users.
Check the proxy user just as the connection user against the
incl_users_list and excl_users_list.
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events.
The log line should be added behind the filters.
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feedback plugin now fakes a SHOW command to force
create_schema_table() to instantiate the table at once,
not lazily.
The test from plugins.feedback_plugin_send applies.
Caused by e64084d5a3a7
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The Galera tests were massively failing with debug assertions.
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This follows up commit
commit 94a520ddbe39ae97de1135d98699cf2674e6b77e and
commit 7c5519c12d46ead947d341cbdcbb6fbbe4d4fe1b.
After these changes, the default test suites on a
cmake -DWITH_UBSAN=ON build no longer fail due to passing
null pointers as parameters that are declared to never be null,
but plenty of other runtime errors remain.
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On my system, OpenSuse, I got a compilation error that some arguments
to getgrouplist() where not initialized
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This patch removes unnecessary #ifdefs in cmake macros CHECK_C_SOURCE_COMPILES.
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This patch fixes incorrect argument type passed
to the last parameter of getgrouplist() in cmake
macros CHECK_C_SOURCE_COMPILES()
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Some GSS-API functions like gss_import_name(), gss_release_buffer()
used in plugin/auth_gssapi and libmariadb/plugins/auth are marked
as deprecated in MacOS starting from version 10.14+. It results in
extra warnings output on server building.
To eliminate extra warnings the flag '-Wno-deprecated-declarations'
has been added to compiler invocation string for those source
files that invoke deprecated GSS-API functions.
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This patch moves definitions of macros variables
HAVE_PAM_SYSLOG, HAVE_PAM_EXT_H, HAVE_PAM_APPL_H, HAVE_STRNDUP
from command line (in the form -Dmacros) to the auto-generated
header file config_auth_pam.h
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