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Validate the type, name, and tbl_name fields of the sqlite_master table when

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loading the schema, unless writable_schema is engaged.

FossilOrigin-Name: 724f4df9ccc2b683f7091a3f7a8c20ee210f44d7a610cd1b4c49da1c274add08
This commit is contained in:
drh
2019-08-12 00:08:07 +00:00
parent 14c865e859
commit c5a93d4c85
11 changed files with 295 additions and 52 deletions
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6
src/trigger.c
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@@ -177,7 +177,11 @@ void sqlite3BeginTrigger(
/* Check that the trigger name is not reserved and that no trigger of the
** specified name exists */
zName = sqlite3NameFromToken(db, pName);
if( !zName || SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
if( zName==0 ){
assert( db->mallocFailed );
goto trigger_cleanup;
}
if( sqlite3CheckObjectName(pParse, zName, "trigger", pTab->zName) ){
goto trigger_cleanup;
}
assert( sqlite3SchemaMutexHeld(db, iDb, 0) );