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rework attach to require explicit key

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This commit is contained in:
Stephen Lombardo 2013-05-24 16:17:15 -04:00
parent ed1e161168
commit 3703f3638e
2 changed files with 31 additions and 19 deletions
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13
src/crypto.c
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@ -314,8 +314,9 @@ int sqlite3CodecAttach(sqlite3* db, int nDb, const void *zKey, int nKey) {
sqlite3BtreeSetAutoVacuum(pDb->pBt, SQLITE_DEFAULT_AUTOVACUUM);
}
sqlite3_mutex_leave(db->mutex);
}
return SQLITE_OK;
}
return SQLITE_ERROR;
}
void sqlite3_activate_see(const char* in) {
@ -409,18 +410,8 @@ int sqlite3_rekey(sqlite3 *db, const void *pKey, int nKey) {
void sqlite3CodecGetKey(sqlite3* db, int nDb, void **zKey, int *nKey) {
struct Db *pDb = &db->aDb[nDb];
CODEC_TRACE(("sqlite3CodecGetKey: entered db=%p, nDb=%d\n", db, nDb));
if( pDb->pBt ) {
codec_ctx *ctx;
sqlite3pager_get_codec(pDb->pBt->pBt->pPager, (void **) &ctx);
if(ctx) { /* if the codec has an attached codec_context user the raw key data */
sqlcipher_codec_get_pass(ctx, zKey, nKey);
} else {
*zKey = NULL;
*nKey = 0;
}
}
}

33
test/crypto.test
View File

@ -381,9 +381,30 @@ do_test rekey-delete-and-query-wal-3 {
db close
file delete -force test.db
# attach an encrypted database
# without specifying key, verify it fails
setup test.db "'testkey'"
do_test attach-database-with-default-key {
sqlite_orig db2 test2.db
execsql {
PRAGMA key = 'testkey';
CREATE TABLE t2(a,b);
INSERT INTO t2 VALUES ('test1', 'test2');
} db2
catchsql {
ATTACH 'test.db' AS db;
} db2
} {1 {unable to open database: test.db}}
db2 close
file delete -force test.db
file delete -force test2.db
# attach an encrypted database
# where both database have the same
# key
# key explicitly
setup test.db "'testkey'"
do_test attach-database-with-same-key {
sqlite_orig db2 test2.db
@ -396,7 +417,7 @@ do_test attach-database-with-same-key {
execsql {
SELECT count(*) FROM t2;
ATTACH 'test.db' AS db;
ATTACH 'test.db' AS db KEY 'testkey';
SELECT count(*) FROM db.t1;
} db2
@ -581,7 +602,7 @@ file delete -force test.db
# create an unencrypted database, attach a new encrypted volume
# copy data between, verify the encypted database is good afterwards
do_test unencryped-attach {
do_test unencrypted-attach {
sqlite_orig db test.db
execsql {
@ -1335,7 +1356,7 @@ do_test default-use-hmac-attach {
PRAGMA cipher_default_use_hmac = OFF;
PRAGMA key = 'testkey';
SELECT count(*) FROM t1;
ATTACH 'sqlcipher-1.1.8-testkey.db' AS db2;
ATTACH 'sqlcipher-1.1.8-testkey.db' AS db2 KEY 'testkey';
SELECT count(*) from db2.t1;
PRAGMA cipher_default_use_hmac = ON;
}
@ -1352,7 +1373,7 @@ do_test attach-1.1.8-database-from-2.0-fails {
catchsql {
PRAGMA key = 'testkey';
CREATE table t1(a,b);
ATTACH 'sqlcipher-1.1.8-testkey.db' AS db2;
ATTACH 'sqlcipher-1.1.8-testkey.db' AS db2 KEY 'testkey';
}
} {1 {file is encrypted or is not a database}}
db close
@ -1376,7 +1397,7 @@ do_test change-default-use-hmac-attach {
PRAGMA key = 'testkey';
SELECT count(*) FROM t1;
PRAGMA cipher_default_use_hmac = OFF;
ATTACH 'sqlcipher-1.1.8-testkey.db' AS db2;
ATTACH 'sqlcipher-1.1.8-testkey.db' AS db2 KEY 'testkey';
SELECT count(*) from db2.t1;
PRAGMA cipher_default_use_hmac = ON;
}