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|Comment:||Improvements to the sqlite3_set_authorizer() documentation.|
|Downloads:||Tarball | ZIP archive | SQL archive|
|Timelines:||family | ancestors | descendants | both | trunk|
|Files:||files | file ages | folders|
|User & Date:||drh 2017-05-11 12:27:21|
|13:43||New requirements marks and documentation for the authorizer. (check-in: 3980ea09 user: drh tags: trunk)|
|12:27||Improvements to the sqlite3_set_authorizer() documentation. (check-in: 47629b19 user: drh tags: trunk)|
|12:05||Change the SQLITE_READ authorization call for unreferenced tables to use an empty string for the column name, as this is less likely to impact legacy authorization callbacks that assume column names are always non-NULL. (check-in: 4139953a user: drh tags: trunk)|
Changes to src/sqlite.h.in.
2697 2697 ** authorizer will fail with an error message explaining that 2698 2698 ** access is denied. 2699 2699 ** 2700 2700 ** ^The first parameter to the authorizer callback is a copy of the third 2701 2701 ** parameter to the sqlite3_set_authorizer() interface. ^The second parameter 2702 2702 ** to the callback is an integer [SQLITE_COPY | action code] that specifies 2703 2703 ** the particular action to be authorized. ^The third through sixth parameters 2704 -** to the callback are zero-terminated strings that contain additional 2705 -** details about the action to be authorized. 2704 +** to the callback are either NULL pointers or zero-terminated strings 2705 +** that contain additional details about the action to be authorized. 2706 +** Applications must always be prepared to encounter a NULL pointer in any 2707 +** of the third through the sixth parameters of the authorization callback. 2706 2708 ** 2707 2709 ** ^If the action code is [SQLITE_READ] 2708 2710 ** and the callback returns [SQLITE_IGNORE] then the 2709 2711 ** [prepared statement] statement is constructed to substitute 2710 2712 ** a NULL value in place of the table column that would have 2711 2713 ** been read if [SQLITE_OK] had been returned. The [SQLITE_IGNORE] 2712 2714 ** return can be used to deny an untrusted user access to individual