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Overview
| Comment: | Disable the authorizer callback when reparsing the schema. This avoids undesirable authorization failures following an ALTER TABLE. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
805d01cdabb48a69eb986a7f084e53eb |
| User & Date: | drh 2016-07-28 18:38:13 |
Context
|
2016-07-28
| ||
| 18:55 | Decorate all interfaces with calling convention macros. check-in: fd784887 user: drh tags: trunk | |
| 18:42 | Merge recent trunk fixes. check-in: 97657445 user: drh tags: apple-osx | |
| 18:38 | Disable the authorizer callback when reparsing the schema. This avoids undesirable authorization failures following an ALTER TABLE. check-in: 805d01cd user: drh tags: trunk | |
| 17:24 | Improvements to the way the COMPILER compile-time option is set when compiling with Clang. check-in: 81f9cf86 user: drh tags: trunk | |
Changes
Changes to src/auth.c.
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const char *zCol, /* Column name */
int iDb /* Index of containing database. */
){
sqlite3 *db = pParse->db; /* Database handle */
char *zDb = db->aDb[iDb].zName; /* Name of attached database */
int rc; /* Auth callback return code */
rc = db->xAuth(db->pAuthArg, SQLITE_READ, zTab,zCol,zDb,pParse->zAuthContext
#ifdef SQLITE_USER_AUTHENTICATION
,db->auth.zAuthUser
#endif
);
if( rc==SQLITE_DENY ){
if( db->nDb>2 || iDb!=0 ){
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const char *zCol, /* Column name */
int iDb /* Index of containing database. */
){
sqlite3 *db = pParse->db; /* Database handle */
char *zDb = db->aDb[iDb].zName; /* Name of attached database */
int rc; /* Auth callback return code */
if( db->init.busy ) return SQLITE_OK;
rc = db->xAuth(db->pAuthArg, SQLITE_READ, zTab,zCol,zDb,pParse->zAuthContext
#ifdef SQLITE_USER_AUTHENTICATION
,db->auth.zAuthUser
#endif
);
if( rc==SQLITE_DENY ){
if( db->nDb>2 || iDb!=0 ){
|
Changes to test/auth2.test.
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SQLITE_CREATE_TABLE t2 {} main {}
SQLITE_UPDATE sqlite_master type main {}
SQLITE_UPDATE sqlite_master name main {}
SQLITE_UPDATE sqlite_master tbl_name main {}
SQLITE_UPDATE sqlite_master rootpage main {}
SQLITE_UPDATE sqlite_master sql main {}
SQLITE_READ sqlite_master ROWID main {}
SQLITE_READ sqlite_master name main {}
SQLITE_READ sqlite_master rootpage main {}
SQLITE_READ sqlite_master sql main {}
SQLITE_READ sqlite_master tbl_name main {}
SQLITE_READ sqlite_master type main {}
SQLITE_READ sqlite_master ROWID main {}
}
do_test auth2-2.2 {
set ::authargs {}
db eval {
CREATE VIEW v2 AS SELECT x+y AS a, y+z AS b from t2;
}
set ::authargs
................................................................................
} {SQLITE_INSERT sqlite_master {} main {}
SQLITE_CREATE_VIEW v2 {} main {}
SQLITE_UPDATE sqlite_master type main {}
SQLITE_UPDATE sqlite_master name main {}
SQLITE_UPDATE sqlite_master tbl_name main {}
SQLITE_UPDATE sqlite_master rootpage main {}
SQLITE_UPDATE sqlite_master sql main {}
SQLITE_READ sqlite_master ROWID main {}
SQLITE_READ sqlite_master name main {}
SQLITE_READ sqlite_master rootpage main {}
SQLITE_READ sqlite_master sql main {}
SQLITE_READ sqlite_master tbl_name main {}
SQLITE_READ sqlite_master type main {}
SQLITE_READ sqlite_master ROWID main {}
}
do_test auth2-2.3 {
set ::authargs {}
db eval {
SELECT a, b FROM v2;
}
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SQLITE_CREATE_TABLE t2 {} main {}
SQLITE_UPDATE sqlite_master type main {}
SQLITE_UPDATE sqlite_master name main {}
SQLITE_UPDATE sqlite_master tbl_name main {}
SQLITE_UPDATE sqlite_master rootpage main {}
SQLITE_UPDATE sqlite_master sql main {}
SQLITE_READ sqlite_master ROWID main {}
}
do_test auth2-2.2 {
set ::authargs {}
db eval {
CREATE VIEW v2 AS SELECT x+y AS a, y+z AS b from t2;
}
set ::authargs
................................................................................
} {SQLITE_INSERT sqlite_master {} main {}
SQLITE_CREATE_VIEW v2 {} main {}
SQLITE_UPDATE sqlite_master type main {}
SQLITE_UPDATE sqlite_master name main {}
SQLITE_UPDATE sqlite_master tbl_name main {}
SQLITE_UPDATE sqlite_master rootpage main {}
SQLITE_UPDATE sqlite_master sql main {}
SQLITE_READ sqlite_master ROWID main {}
}
do_test auth2-2.3 {
set ::authargs {}
db eval {
SELECT a, b FROM v2;
}
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Changes to test/auth3.test.
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# May you share freely, never taking more than you give. # #*********************************************************************** # # Test that the truncate optimization is disabled if the SQLITE_DELETE # authorization callback returns SQLITE_IGNORE. # # $Id: auth3.test,v 1.2 2009/05/04 01:58:31 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # disable this test if the SQLITE_OMIT_AUTHORIZATION macro is # defined during compilation. if {[catch {db auth {}} msg]} { ................................................................................ } set sqlite_search_count 0 execsql { DELETE FROM t1; } set sqlite_search_count } {1} finish_test |
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# May you share freely, never taking more than you give. # #*********************************************************************** # # Test that the truncate optimization is disabled if the SQLITE_DELETE # authorization callback returns SQLITE_IGNORE. # # Test that authorizer is disabled during schema parsing. set testdir [file dirname $argv0] source $testdir/tester.tcl # disable this test if the SQLITE_OMIT_AUTHORIZATION macro is # defined during compilation. if {[catch {db auth {}} msg]} { ................................................................................ } set sqlite_search_count 0 execsql { DELETE FROM t1; } set sqlite_search_count } {1} # 2016-07-28. A problem report from a private client complaining about # an authorizer failure during an ALTER TABLE. The solution (I think) is # to disable the authorizer during schema parsing. # proc auth {code args} { if {$code=="SQLITE_READ" && [regexp {DoNotRead} $args]} { return SQLITE_DENY } return SQLITE_OK } do_execsql_test auth3-3.0 { CREATE TEMPORARY TABLE TempTable ( key TEXT NOT NULL ON CONFLICT FAIL UNIQUE ON CONFLICT REPLACE, value TEXT NOT NULL ON CONFLICT FAIL); ALTER TABLE TempTable RENAME TO DoNotRead; SELECT name FROM sqlite_temp_master; } {DoNotRead sqlite_autoindex_DoNotRead_1} finish_test |