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builtin_encryption_test.go
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// Copyright 2017 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package expression
import (
"encoding/hex"
"strings"
. "github.com/pingcap/check"
"github.com/pingcap/parser/ast"
"github.com/pingcap/parser/terror"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/chunk"
"github.com/pingcap/tidb/util/hack"
)
var cryptTests = []struct {
origin interface{}
password interface{}
crypt interface{}
}{
{"", "", ""},
{"pingcap", "1234567890123456", "2C35B5A4ADF391"},
{"pingcap", "asdfjasfwefjfjkj", "351CC412605905"},
{"pingcap123", "123456789012345678901234", "7698723DC6DFE7724221"},
{"pingcap#%$%^", "*^%YTu1234567", "8634B9C55FF55E5B6328F449"},
{"pingcap", "", "4A77B524BD2C5C"},
{"分布式データベース", "pass1234@#$%%^^&", "80CADC8D328B3026D04FB285F36FED04BBCA0CC685BF78B1E687CE"},
{"分布式データベース", "分布式7782734adgwy1242", "0E24CFEF272EE32B6E0BFBDB89F29FB43B4B30DAA95C3F914444BC"},
{"pingcap", "密匙", "CE5C02A5010010"},
{"pingcap数据库", "数据库passwd12345667", "36D5F90D3834E30E396BE3226E3B4ED3"},
{"数据库5667", 123.435, "B22196D0569386237AE12F8AAB"},
{nil, "数据库passwd12345667", nil},
}
func (s *testEvaluatorSuite) TestSQLDecode(c *C) {
fc := funcs[ast.Decode]
for _, tt := range cryptTests {
str := types.NewDatum(tt.origin)
password := types.NewDatum(tt.password)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{str, password}))
c.Assert(err, IsNil)
crypt, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(toHex(crypt), DeepEquals, types.NewDatum(tt.crypt))
}
s.testNullInput(c, ast.Decode)
}
func (s *testEvaluatorSuite) TestSQLEncode(c *C) {
fc := funcs[ast.Encode]
for _, test := range cryptTests {
password := types.NewDatum(test.password)
cryptStr := fromHex(test.crypt)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{cryptStr, password}))
c.Assert(err, IsNil)
str, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(str, DeepEquals, types.NewDatum(test.origin))
}
s.testNullInput(c, ast.Encode)
}
var aesTests = []struct {
mode string
origin interface{}
params []interface{}
crypt interface{}
}{
// test for ecb
{"aes-128-ecb", "pingcap", []interface{}{"1234567890123456"}, "697BFE9B3F8C2F289DD82C88C7BC95C4"},
{"aes-128-ecb", "pingcap123", []interface{}{"1234567890123456"}, "CEC348F4EF5F84D3AA6C4FA184C65766"},
{"aes-128-ecb", "pingcap", []interface{}{"123456789012345678901234"}, "6F1589686860C8E8C7A40A78B25FF2C0"},
{"aes-128-ecb", "pingcap", []interface{}{"123"}, "996E0CA8688D7AD20819B90B273E01C6"},
{"aes-128-ecb", "pingcap", []interface{}{123}, "996E0CA8688D7AD20819B90B273E01C6"},
{"aes-128-ecb", nil, []interface{}{123}, nil},
{"aes-192-ecb", "pingcap", []interface{}{"1234567890123456"}, "9B139FD002E6496EA2D5C73A2265E661"},
{"aes-256-ecb", "pingcap", []interface{}{"1234567890123456"}, "F80DCDEDDBE5663BDB68F74AEDDB8EE3"},
// test for cbc
{"aes-128-cbc", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "2ECA0077C5EA5768A0485AA522774792"},
{"aes-128-cbc", "pingcap", []interface{}{"123456789012345678901234", "1234567890123456"}, "483788634DA8817423BA0934FD2C096E"},
{"aes-192-cbc", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "516391DB38E908ECA93AAB22870EC787"},
{"aes-256-cbc", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "5D0E22C1E77523AEF5C3E10B65653C8F"},
{"aes-256-cbc", "pingcap", []interface{}{"12345678901234561234567890123456", "1234567890123456"}, "A26BA27CA4BE9D361D545AA84A17002D"},
{"aes-256-cbc", "pingcap", []interface{}{"1234567890123456", "12345678901234561234567890123456"}, "5D0E22C1E77523AEF5C3E10B65653C8F"},
// test for ofb
{"aes-128-ofb", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "0515A36BBF3DE0"},
{"aes-128-ofb", "pingcap", []interface{}{"123456789012345678901234", "1234567890123456"}, "C2A93A93818546"},
{"aes-192-ofb", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "FE09DCCF14D458"},
{"aes-256-ofb", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "2E70FCAC0C0834"},
{"aes-256-ofb", "pingcap", []interface{}{"12345678901234561234567890123456", "1234567890123456"}, "83E2B30A71F011"},
{"aes-256-ofb", "pingcap", []interface{}{"1234567890123456", "12345678901234561234567890123456"}, "2E70FCAC0C0834"},
// test for cfb
{"aes-128-cfb", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "0515A36BBF3DE0"},
{"aes-128-cfb", "pingcap", []interface{}{"123456789012345678901234", "1234567890123456"}, "C2A93A93818546"},
{"aes-192-cfb", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "FE09DCCF14D458"},
{"aes-256-cfb", "pingcap", []interface{}{"1234567890123456", "1234567890123456"}, "2E70FCAC0C0834"},
{"aes-256-cfb", "pingcap", []interface{}{"12345678901234561234567890123456", "1234567890123456"}, "83E2B30A71F011"},
{"aes-256-cfb", "pingcap", []interface{}{"1234567890123456", "12345678901234561234567890123456"}, "2E70FCAC0C0834"},
}
func (s *testEvaluatorSuite) TestAESEncrypt(c *C) {
fc := funcs[ast.AesEncrypt]
for _, tt := range aesTests {
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum(tt.mode))
args := []types.Datum{types.NewDatum(tt.origin)}
for _, param := range tt.params {
args = append(args, types.NewDatum(param))
}
f, err := fc.getFunction(s.ctx, s.datumsToConstants(args))
c.Assert(err, IsNil)
crypt, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(toHex(crypt), DeepEquals, types.NewDatum(tt.crypt))
}
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum("aes-128-ecb"))
s.testNullInput(c, ast.AesEncrypt)
s.testAmbiguousInput(c, ast.AesEncrypt)
}
func (s *testEvaluatorSuite) TestAESDecrypt(c *C) {
fc := funcs[ast.AesDecrypt]
for _, tt := range aesTests {
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum(tt.mode))
args := []types.Datum{fromHex(tt.crypt)}
for _, param := range tt.params {
args = append(args, types.NewDatum(param))
}
f, err := fc.getFunction(s.ctx, s.datumsToConstants(args))
c.Assert(err, IsNil)
str, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(str, DeepEquals, types.NewDatum(tt.origin))
}
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum("aes-128-ecb"))
s.testNullInput(c, ast.AesDecrypt)
s.testAmbiguousInput(c, ast.AesDecrypt)
}
func (s *testEvaluatorSuite) testNullInput(c *C, fnName string) {
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum("aes-128-ecb"))
fc := funcs[fnName]
arg := types.NewStringDatum("str")
var argNull types.Datum
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg, argNull}))
c.Assert(err, IsNil)
crypt, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(crypt.IsNull(), IsTrue)
f, err = fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{argNull, arg}))
c.Assert(err, IsNil)
crypt, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(crypt.IsNull(), IsTrue)
}
func (s *testEvaluatorSuite) testAmbiguousInput(c *C, fnName string) {
fc := funcs[fnName]
arg := types.NewStringDatum("str")
// test for modes that require init_vector
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum("aes-128-cbc"))
_, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg, arg}))
c.Assert(err, NotNil)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg, arg, types.NewStringDatum("iv < 16 bytes")}))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, NotNil)
// test for modes that do not require init_vector
variable.SetSessionSystemVar(s.ctx.GetSessionVars(), variable.BlockEncryptionMode, types.NewDatum("aes-128-ecb"))
f, err = fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg, arg, arg}))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
warnings := s.ctx.GetSessionVars().StmtCtx.GetWarnings()
c.Assert(len(warnings), GreaterEqual, 1)
}
func toHex(d types.Datum) (h types.Datum) {
if d.IsNull() {
return
}
x, _ := d.ToString()
h.SetString(strings.ToUpper(hex.EncodeToString(hack.Slice(x))))
return
}
func fromHex(str interface{}) (d types.Datum) {
if str == nil {
return
}
if s, ok := str.(string); ok {
h, _ := hex.DecodeString(s)
d.SetBytes(h)
}
return d
}
var sha1Tests = []struct {
origin interface{}
crypt string
}{
{"test", "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"},
{"c4pt0r", "034923dcabf099fc4c8917c0ab91ffcd4c2578a6"},
{"pingcap", "73bf9ef43a44f42e2ea2894d62f0917af149a006"},
{"foobar", "8843d7f92416211de9ebb963ff4ce28125932878"},
{1024, "128351137a9c47206c4507dcf2e6fbeeca3a9079"},
{123.45, "22f8b438ad7e89300b51d88684f3f0b9fa1d7a32"},
}
func (s *testEvaluatorSuite) TestSha1Hash(c *C) {
fc := funcs[ast.SHA]
for _, tt := range sha1Tests {
in := types.NewDatum(tt.origin)
f, _ := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{in}))
crypt, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
res, err := crypt.ToString()
c.Assert(err, IsNil)
c.Assert(res, Equals, tt.crypt)
}
// test NULL input for sha
var argNull types.Datum
f, _ := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{argNull}))
crypt, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(crypt.IsNull(), IsTrue)
}
var sha2Tests = []struct {
origin interface{}
hashLength interface{}
crypt interface{}
validCase bool
}{
{"pingcap", 0, "2871823be240f8ecd1d72f24c99eaa2e58af18b4b8ba99a4fc2823ba5c43930a", true},
{"pingcap", 224, "cd036dc9bec69e758401379c522454ea24a6327b48724b449b40c6b7", true},
{"pingcap", 256, "2871823be240f8ecd1d72f24c99eaa2e58af18b4b8ba99a4fc2823ba5c43930a", true},
{"pingcap", 384, "c50955b6b0c7b9919740d956849eedcb0f0f90bf8a34e8c1f4e071e3773f53bd6f8f16c04425ff728bed04de1b63db51", true},
{"pingcap", 512, "ea903c574370774c4844a83b7122105a106e04211673810e1baae7c2ae7aba2cf07465e02f6c413126111ef74a417232683ce7ba210052e63c15fc82204aad80", true},
{13572468, 0, "1c91ab1c162fd0cae60a5bb9880f3e7d5a133a65b6057a644b26973d9c55dcfe", true},
{13572468, 224, "8ad67735bbf49576219f364f4640d595357a440358d15bf6815a16e4", true},
{13572468, 256, "1c91ab1c162fd0cae60a5bb9880f3e7d5a133a65b6057a644b26973d9c55dcfe", true},
{13572468.123, 384, "3b4ee302435dc1e15251efd9f3982b1ca6fe4ac778d3260b7bbf3bea613849677eda830239420e448e4c6dc7c2649d89", true},
{13572468.123, 512, "4820aa3f2760836557dc1f2d44a0ba7596333fdb60c8a1909481862f4ab0921c00abb23d57b7e67a970363cc3fcb78b25b6a0d45cdcac0e87aa0c96bc51f7f96", true},
{nil, 224, nil, false},
{"pingcap", nil, nil, false},
{"pingcap", 123, nil, false},
}
func (s *testEvaluatorSuite) TestSha2Hash(c *C) {
fc := funcs[ast.SHA2]
for _, tt := range sha2Tests {
str := types.NewDatum(tt.origin)
hashLength := types.NewDatum(tt.hashLength)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{str, hashLength}))
c.Assert(err, IsNil)
crypt, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
if tt.validCase {
res, err := crypt.ToString()
c.Assert(err, IsNil)
c.Assert(res, Equals, tt.crypt)
} else {
c.Assert(crypt.IsNull(), IsTrue)
}
}
}
func (s *testEvaluatorSuite) TestMD5Hash(c *C) {
cases := []struct {
args interface{}
expected string
isNil bool
getErr bool
}{
{"", "d41d8cd98f00b204e9800998ecf8427e", false, false},
{"a", "0cc175b9c0f1b6a831c399e269772661", false, false},
{"ab", "187ef4436122d1cc2f40dc2b92f0eba0", false, false},
{"abc", "900150983cd24fb0d6963f7d28e17f72", false, false},
{123, "202cb962ac59075b964b07152d234b70", false, false},
{"123", "202cb962ac59075b964b07152d234b70", false, false},
{123.123, "46ddc40585caa8abc07c460b3485781e", false, false},
{nil, "", true, false},
}
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.MD5, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(chunk.Row{})
if t.getErr {
c.Assert(err, NotNil)
} else {
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetString(), Equals, t.expected)
}
}
}
_, err := funcs[ast.MD5].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}
func (s *testEvaluatorSuite) TestRandomBytes(c *C) {
fc := funcs[ast.RandomBytes]
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{types.NewDatum(32)}))
c.Assert(err, IsNil)
out, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(len(out.GetBytes()), Equals, 32)
f, err = fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{types.NewDatum(1025)}))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, NotNil)
f, err = fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{types.NewDatum(-32)}))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, NotNil)
f, err = fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{types.NewDatum(0)}))
c.Assert(err, IsNil)
_, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, NotNil)
f, err = fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{types.NewDatum(nil)}))
c.Assert(err, IsNil)
out, err = evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil)
c.Assert(len(out.GetBytes()), Equals, 0)
}
func decodeHex(str string) []byte {
ret, err := hex.DecodeString(str)
if err != nil {
panic(err)
}
return ret
}
func (s *testEvaluatorSuite) TestCompress(c *C) {
tests := []struct {
in interface{}
expect interface{}
}{
{"hello world", string(decodeHex("0B000000789CCA48CDC9C95728CF2FCA4901040000FFFF1A0B045D"))},
{"", ""},
{nil, nil},
}
fc := funcs[ast.Compress]
for _, test := range tests {
arg := types.NewDatum(test.in)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg}))
c.Assert(err, IsNil, Commentf("%v", test))
out, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil, Commentf("%v", test))
c.Assert(out, DeepEquals, types.NewDatum(test.expect), Commentf("%v", test))
}
}
func (s *testEvaluatorSuite) TestUncompress(c *C) {
tests := []struct {
in interface{}
expect interface{}
}{
{decodeHex("0B000000789CCB48CDC9C95728CF2FCA4901001A0B045D"), "hello world"}, // zlib result from MySQL
{decodeHex("0B000000789CCA48CDC9C95728CF2FCA4901040000FFFF1A0B045D"), "hello world"}, // zlib result from TiDB
{decodeHex("02000000789CCB48CDC9C95728CF2FCA4901001A0B045D"), nil}, // wrong length in the first four bytes
{decodeHex(""), ""},
{"1", nil},
{"1234", nil},
{"12345", nil},
{decodeHex("0B"), nil},
{decodeHex("0B000000"), nil},
{decodeHex("0B0000001234"), nil},
{12345, nil},
{nil, nil},
}
fc := funcs[ast.Uncompress]
for _, test := range tests {
arg := types.NewDatum(test.in)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg}))
c.Assert(err, IsNil, Commentf("%v", test))
out, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil, Commentf("%v", test))
c.Assert(out, DeepEquals, types.NewDatum(test.expect), Commentf("%v", test))
}
}
func (s *testEvaluatorSuite) TestUncompressLength(c *C) {
tests := []struct {
in interface{}
expect interface{}
}{
{decodeHex("0B000000789CCB48CDC9C95728CF2FCA4901001A0B045D"), int64(11)}, // zlib result from MySQL
{decodeHex("0B000000789CCA48CDC9C95728CF2FCA4901040000FFFF1A0B045D"), int64(11)}, // zlib result from TiDB
{decodeHex(""), int64(0)},
{"1", int64(0)},
{"123", int64(0)},
{decodeHex("0B"), int64(0)},
{decodeHex("0B00"), int64(0)},
{decodeHex("0B000000"), int64(0x0)},
{decodeHex("0B0000001234"), int64(0x0B)},
{12345, int64(875770417)},
{nil, nil},
}
fc := funcs[ast.UncompressedLength]
for _, test := range tests {
arg := types.NewDatum(test.in)
f, err := fc.getFunction(s.ctx, s.datumsToConstants([]types.Datum{arg}))
c.Assert(err, IsNil, Commentf("%v", test))
out, err := evalBuiltinFunc(f, chunk.Row{})
c.Assert(err, IsNil, Commentf("%v", test))
c.Assert(out, DeepEquals, types.NewDatum(test.expect), Commentf("%v", test))
}
}
func (s *testEvaluatorSuite) TestPassword(c *C) {
cases := []struct {
args interface{}
expected string
isNil bool
getErr bool
getWarn bool
}{
{nil, "", false, false, false},
{"", "", false, false, false},
{"abc", "*0D3CED9BEC10A777AEC23CCC353A8C08A633045E", false, false, true},
{123, "*23AE809DDACAF96AF0FD78ED04B6A265E05AA257", false, false, true},
{1.23, "*A589EEBA8D3F9E1A34A7EE518FAC4566BFAD5BB6", false, false, true},
{types.NewDecFromFloatForTest(123.123), "*B15B84262DB34BFB2C817A45A55C405DC7C52BB1", false, false, true},
}
warnCount := len(s.ctx.GetSessionVars().StmtCtx.GetWarnings())
for _, t := range cases {
f, err := newFunctionForTest(s.ctx, ast.PasswordFunc, s.primitiveValsToConstants([]interface{}{t.args})...)
c.Assert(err, IsNil)
d, err := f.Eval(chunk.Row{})
c.Assert(err, IsNil)
if t.isNil {
c.Assert(d.Kind(), Equals, types.KindNull)
} else {
c.Assert(d.GetString(), Equals, t.expected)
}
warnings := s.ctx.GetSessionVars().StmtCtx.GetWarnings()
if t.getWarn {
c.Assert(len(warnings), Equals, warnCount+1)
lastWarn := warnings[len(warnings)-1]
c.Assert(terror.ErrorEqual(errDeprecatedSyntaxNoReplacement, lastWarn.Err), IsTrue, Commentf("err %v", lastWarn.Err))
warnCount = len(warnings)
} else {
c.Assert(len(warnings), Equals, warnCount)
}
}
_, err := funcs[ast.PasswordFunc].getFunction(s.ctx, []Expression{Zero})
c.Assert(err, IsNil)
}