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Add authorization callbacks to ALTER TABLE. (CVS 2093)

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FossilOrigin-Name: c4115aa3a1b010704af76c5ae9f6dcbfa4038df8
This commit is contained in:
danielk1977
2004-11-12 15:53:37 +00:00
parent 9fd2a9a028
commit 1c8c23cc36
8 changed files with 209 additions and 24 deletions
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22
src/build.c
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@@ -22,7 +22,7 @@
** COMMIT
** ROLLBACK
**
** $Id: build.c,v 1.277 2004/11/12 13:42:31 danielk1977 Exp $
** $Id: build.c,v 1.278 2004/11/12 15:53:37 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -2931,10 +2931,11 @@ void sqlite3AlterRenameTable(
Token *pName /* The new table name. */
){
int iDb; /* Database that contains the table */
char *zDb; /* Name of database iDb */
Table *pTab; /* Table being renamed */
sqlite3 *db = pParse->db; /* Database connection */
char *zName = 0; /* NULL-terminated version of pName */
char *zWhere = 0; /* Where clause of schema elements to reparse */
sqlite3 *db = pParse->db; /* Database connection */
Vdbe *v;
assert( pSrc->nSrc==1 );
@@ -2942,6 +2943,7 @@ void sqlite3AlterRenameTable(
pTab = sqlite3LocateTable(pParse, pSrc->a[0].zName, pSrc->a[0].zDatabase);
if( !pTab ) return;
iDb = pTab->iDb;
zDb = db->aDb[iDb].zName;
/* Get a NULL terminated version of the new table name. */
zName = sqlite3NameFromToken(pName);
@@ -2950,20 +2952,30 @@ void sqlite3AlterRenameTable(
/* Check that a table or index named 'zName' does not already exist
** in database iDb. If so, this is an error.
*/
if( sqlite3FindTable(db, zName, db->aDb[iDb].zName) ||
sqlite3FindIndex(db, zName, db->aDb[iDb].zName) ){
if( sqlite3FindTable(db, zName, zDb) || sqlite3FindIndex(db, zName, zDb) ){
sqlite3ErrorMsg(pParse,
"there is already another table or index with this name: %s", zName);
sqliteFree(zName);
return;
}
#ifndef SQLITE_OMIT_AUTHORIZATION
/* Invoke the authorization callback. */
if( sqlite3AuthCheck(pParse, SQLITE_ALTER_TABLE, zDb, pTab->zName, 0) ){
sqliteFree(zName);
return;
}
#endif
/* Begin a transaction and code the VerifyCookie for database iDb.
** Then modify the schema cookie (since the ALTER TABLE modifies the
** schema).
*/
v = sqlite3GetVdbe(pParse);
if( v==0 ) return;
if( v==0 ){
sqliteFree(zName);
return;
}
sqlite3BeginWriteOperation(pParse, 0, iDb);
sqlite3ChangeCookie(db, v, iDb);