adjust backup API block so that encrypted->encrypted is permitted
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Stephen Lombardo
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# SQLCipher
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# codec.test developed by Stephen Lombardo (Zetetic LLC)
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# sjlombardo at zetetic dot net
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# http://zetetic.net
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#
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# Copyright (c) 2018, ZETETIC LLC
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the ZETETIC LLC nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY ZETETIC LLC ''AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL ZETETIC LLC BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# This file implements regression tests for SQLite library. The
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# focus of this script is testing code cipher features.
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#
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# NOTE: tester.tcl has overridden the definition of sqlite3 to
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# automatically pass in a key value. Thus tests in this file
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# should explicitly close and open db with sqlite_orig in order
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# to bypass default key assignment.
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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source $testdir/sqlcipher.tcl
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# backup from plaintext to plaintext
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# is allowed
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do_test sqlcipher-backup-plain-plain {
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sqlite_orig db test.db
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set rc {}
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execsql {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1, randstr(16384,16384));
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}
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set md5a [execsql {SELECT md5sum(a,b) FROM t1}]
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sqlite_orig db2 backup.db
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sqlite3_backup B db2 main db main
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lappend rc [B step -1]
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lappend rc [B finish]
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db close
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db2 close
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sqlite_orig db backup.db
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set md5b [execsql {SELECT md5sum(a,b) FROM t1}]
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lappend rc [ execsql {
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PRAGMA integrity_check;
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} ]
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lappend rc [string equal $md5a $md5b]
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} {SQLITE_DONE SQLITE_OK ok 1}
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db close
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file delete -force test.db
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file delete -force backup.db
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# backup from encrypted to encrypted
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# is allowed
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do_test sqlcipher-backup-encrypted-encrypted {
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sqlite_orig db test.db
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set rc {}
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execsql {
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PRAGMA key = 'testkey';
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1, randstr(16384,16384));
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}
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set md5a [execsql {SELECT md5sum(a,b) FROM t1}]
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sqlite_orig db2 backup.db
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execsql { PRAGMA key = 'testkey' } db2;
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sqlite3_backup B db2 main db main
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lappend rc [B step -1]
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lappend rc [B finish]
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db close
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db2 close
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sqlite_orig db backup.db
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execsql { PRAGMA key = 'testkey' };
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set md5b [execsql {SELECT md5sum(a,b) FROM t1}]
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lappend rc [ execsql {
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PRAGMA integrity_check;
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PRAGMA cipher_integrity_check;
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} ]
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lappend rc [string equal $md5a $md5b]
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} {SQLITE_DONE SQLITE_OK ok 1}
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db close
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file delete -force test.db
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file delete -force backup.db
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# backup from plaintext to encrypted
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# is blocked
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do_test sqlcipher-backup-plain-encrypted {
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sqlite_orig db test.db
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set rc {}
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execsql {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1, randstr(16384,16384));
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}
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sqlite_orig db2 backup.db
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execsql { PRAGMA key = 'testkey' } db2;
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lappend rc [catch {sqlite3_backup B db2 main db main}]
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lappend rc [sqlite3_errcode db2]
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lappend rc [sqlite3_errmsg db2]
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} {1 SQLITE_ERROR {backup is not supported with encrypted databases}}
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db close
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db2 close
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file delete -force test.db
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file delete -force backup.db
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# backup from encrypted to plaintext
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# is blocked
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do_test sqlcipher-backup-encrypted-plain {
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sqlite_orig db test.db
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set rc {}
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execsql {
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PRAGMA key = 'testkey';
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1, randstr(16384,16384));
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}
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sqlite_orig db2 backup.db
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lappend rc [catch {sqlite3_backup B db2 main db main}]
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lappend rc [sqlite3_errcode db2]
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lappend rc [sqlite3_errmsg db2]
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} {1 SQLITE_ERROR {backup is not supported with encrypted databases}}
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db close
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db2 close
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file delete -force test.db
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file delete -force backup.db
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finish_test
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