Tests can now use config files (#36)
This commit is contained in:
konrad
384
vendor/github.com/go-sql-driver/mysql/utils.go
generated
vendored
384
vendor/github.com/go-sql-driver/mysql/utils.go
generated
vendored
@ -9,27 +9,29 @@
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package mysql
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import (
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"crypto/sha1"
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"crypto/tls"
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"database/sql/driver"
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"encoding/binary"
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"fmt"
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"io"
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"strconv"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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)
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// Registry for custom tls.Configs
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var (
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tlsConfigLock sync.RWMutex
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tlsConfigRegister map[string]*tls.Config // Register for custom tls.Configs
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tlsConfigRegistry map[string]*tls.Config
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)
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// RegisterTLSConfig registers a custom tls.Config to be used with sql.Open.
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// Use the key as a value in the DSN where tls=value.
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//
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// Note: The tls.Config provided to needs to be exclusively owned by the driver after registering.
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// Note: The provided tls.Config is exclusively owned by the driver after
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// registering it.
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//
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// rootCertPool := x509.NewCertPool()
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// pem, err := ioutil.ReadFile("/path/ca-cert.pem")
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@ -57,11 +59,11 @@ func RegisterTLSConfig(key string, config *tls.Config) error {
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}
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tlsConfigLock.Lock()
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if tlsConfigRegister == nil {
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tlsConfigRegister = make(map[string]*tls.Config)
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if tlsConfigRegistry == nil {
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tlsConfigRegistry = make(map[string]*tls.Config)
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}
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tlsConfigRegister[key] = config
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tlsConfigRegistry[key] = config
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tlsConfigLock.Unlock()
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return nil
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}
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@ -69,15 +71,15 @@ func RegisterTLSConfig(key string, config *tls.Config) error {
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// DeregisterTLSConfig removes the tls.Config associated with key.
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func DeregisterTLSConfig(key string) {
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tlsConfigLock.Lock()
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if tlsConfigRegister != nil {
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delete(tlsConfigRegister, key)
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if tlsConfigRegistry != nil {
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delete(tlsConfigRegistry, key)
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}
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tlsConfigLock.Unlock()
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}
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func getTLSConfigClone(key string) (config *tls.Config) {
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tlsConfigLock.RLock()
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if v, ok := tlsConfigRegister[key]; ok {
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if v, ok := tlsConfigRegistry[key]; ok {
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config = cloneTLSConfig(v)
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}
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tlsConfigLock.RUnlock()
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@ -98,119 +100,6 @@ func readBool(input string) (value bool, valid bool) {
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return
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}
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/******************************************************************************
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* Authentication *
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******************************************************************************/
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// Encrypt password using 4.1+ method
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func scramblePassword(scramble, password []byte) []byte {
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if len(password) == 0 {
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return nil
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}
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// stage1Hash = SHA1(password)
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crypt := sha1.New()
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crypt.Write(password)
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stage1 := crypt.Sum(nil)
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// scrambleHash = SHA1(scramble + SHA1(stage1Hash))
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// inner Hash
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crypt.Reset()
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crypt.Write(stage1)
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hash := crypt.Sum(nil)
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// outer Hash
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crypt.Reset()
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crypt.Write(scramble)
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crypt.Write(hash)
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scramble = crypt.Sum(nil)
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// token = scrambleHash XOR stage1Hash
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for i := range scramble {
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scramble[i] ^= stage1[i]
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}
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return scramble
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}
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// Encrypt password using pre 4.1 (old password) method
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// https://github.com/atcurtis/mariadb/blob/master/mysys/my_rnd.c
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type myRnd struct {
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seed1, seed2 uint32
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}
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const myRndMaxVal = 0x3FFFFFFF
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// Pseudo random number generator
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func newMyRnd(seed1, seed2 uint32) *myRnd {
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return &myRnd{
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seed1: seed1 % myRndMaxVal,
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seed2: seed2 % myRndMaxVal,
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}
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}
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// Tested to be equivalent to MariaDB's floating point variant
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// http://play.golang.org/p/QHvhd4qved
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// http://play.golang.org/p/RG0q4ElWDx
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func (r *myRnd) NextByte() byte {
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r.seed1 = (r.seed1*3 + r.seed2) % myRndMaxVal
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r.seed2 = (r.seed1 + r.seed2 + 33) % myRndMaxVal
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return byte(uint64(r.seed1) * 31 / myRndMaxVal)
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}
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// Generate binary hash from byte string using insecure pre 4.1 method
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func pwHash(password []byte) (result [2]uint32) {
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var add uint32 = 7
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var tmp uint32
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result[0] = 1345345333
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result[1] = 0x12345671
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for _, c := range password {
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// skip spaces and tabs in password
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if c == ' ' || c == '\t' {
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continue
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}
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tmp = uint32(c)
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result[0] ^= (((result[0] & 63) + add) * tmp) + (result[0] << 8)
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result[1] += (result[1] << 8) ^ result[0]
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add += tmp
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}
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// Remove sign bit (1<<31)-1)
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result[0] &= 0x7FFFFFFF
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result[1] &= 0x7FFFFFFF
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return
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}
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// Encrypt password using insecure pre 4.1 method
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func scrambleOldPassword(scramble, password []byte) []byte {
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if len(password) == 0 {
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return nil
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}
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scramble = scramble[:8]
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hashPw := pwHash(password)
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hashSc := pwHash(scramble)
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r := newMyRnd(hashPw[0]^hashSc[0], hashPw[1]^hashSc[1])
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var out [8]byte
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for i := range out {
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out[i] = r.NextByte() + 64
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}
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mask := r.NextByte()
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for i := range out {
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out[i] ^= mask
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}
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return out[:]
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}
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/******************************************************************************
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* Time related utils *
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******************************************************************************/
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@ -339,87 +228,104 @@ var zeroDateTime = []byte("0000-00-00 00:00:00.000000")
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const digits01 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
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const digits10 = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999"
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func formatBinaryDateTime(src []byte, length uint8, justTime bool) (driver.Value, error) {
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func appendMicrosecs(dst, src []byte, decimals int) []byte {
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if decimals <= 0 {
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return dst
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}
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if len(src) == 0 {
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return append(dst, ".000000"[:decimals+1]...)
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}
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microsecs := binary.LittleEndian.Uint32(src[:4])
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p1 := byte(microsecs / 10000)
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microsecs -= 10000 * uint32(p1)
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p2 := byte(microsecs / 100)
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microsecs -= 100 * uint32(p2)
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p3 := byte(microsecs)
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switch decimals {
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default:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2], digits01[p2],
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digits10[p3], digits01[p3],
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)
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case 1:
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return append(dst, '.',
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digits10[p1],
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)
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case 2:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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)
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case 3:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2],
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)
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case 4:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2], digits01[p2],
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)
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case 5:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2], digits01[p2],
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digits10[p3],
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)
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}
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}
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func formatBinaryDateTime(src []byte, length uint8) (driver.Value, error) {
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// length expects the deterministic length of the zero value,
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// negative time and 100+ hours are automatically added if needed
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if len(src) == 0 {
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if justTime {
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return zeroDateTime[11 : 11+length], nil
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}
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return zeroDateTime[:length], nil
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}
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var dst []byte // return value
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var pt, p1, p2, p3 byte // current digit pair
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var zOffs byte // offset of value in zeroDateTime
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if justTime {
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switch length {
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case
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8, // time (can be up to 10 when negative and 100+ hours)
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10, 11, 12, 13, 14, 15: // time with fractional seconds
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default:
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return nil, fmt.Errorf("illegal TIME length %d", length)
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var dst []byte // return value
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var p1, p2, p3 byte // current digit pair
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switch length {
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case 10, 19, 21, 22, 23, 24, 25, 26:
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default:
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t := "DATE"
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if length > 10 {
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t += "TIME"
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}
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switch len(src) {
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case 8, 12:
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default:
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return nil, fmt.Errorf("invalid TIME packet length %d", len(src))
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}
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// +2 to enable negative time and 100+ hours
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dst = make([]byte, 0, length+2)
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if src[0] == 1 {
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dst = append(dst, '-')
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}
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if src[1] != 0 {
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hour := uint16(src[1])*24 + uint16(src[5])
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pt = byte(hour / 100)
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p1 = byte(hour - 100*uint16(pt))
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dst = append(dst, digits01[pt])
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} else {
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p1 = src[5]
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}
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zOffs = 11
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src = src[6:]
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} else {
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switch length {
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case 10, 19, 21, 22, 23, 24, 25, 26:
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default:
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t := "DATE"
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if length > 10 {
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t += "TIME"
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}
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return nil, fmt.Errorf("illegal %s length %d", t, length)
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}
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switch len(src) {
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case 4, 7, 11:
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default:
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t := "DATE"
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if length > 10 {
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t += "TIME"
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}
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return nil, fmt.Errorf("illegal %s packet length %d", t, len(src))
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}
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dst = make([]byte, 0, length)
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// start with the date
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year := binary.LittleEndian.Uint16(src[:2])
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pt = byte(year / 100)
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p1 = byte(year - 100*uint16(pt))
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p2, p3 = src[2], src[3]
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dst = append(dst,
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digits10[pt], digits01[pt],
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digits10[p1], digits01[p1], '-',
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digits10[p2], digits01[p2], '-',
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digits10[p3], digits01[p3],
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)
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if length == 10 {
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return dst, nil
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}
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if len(src) == 4 {
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return append(dst, zeroDateTime[10:length]...), nil
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}
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dst = append(dst, ' ')
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p1 = src[4] // hour
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src = src[5:]
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return nil, fmt.Errorf("illegal %s length %d", t, length)
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}
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switch len(src) {
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case 4, 7, 11:
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default:
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t := "DATE"
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if length > 10 {
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t += "TIME"
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}
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return nil, fmt.Errorf("illegal %s packet length %d", t, len(src))
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}
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dst = make([]byte, 0, length)
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// start with the date
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year := binary.LittleEndian.Uint16(src[:2])
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pt := year / 100
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p1 = byte(year - 100*uint16(pt))
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p2, p3 = src[2], src[3]
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dst = append(dst,
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digits10[pt], digits01[pt],
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digits10[p1], digits01[p1], '-',
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digits10[p2], digits01[p2], '-',
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digits10[p3], digits01[p3],
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)
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if length == 10 {
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return dst, nil
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}
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if len(src) == 4 {
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return append(dst, zeroDateTime[10:length]...), nil
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}
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dst = append(dst, ' ')
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p1 = src[4] // hour
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src = src[5:]
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// p1 is 2-digit hour, src is after hour
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p2, p3 = src[0], src[1]
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dst = append(dst,
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@ -427,51 +333,49 @@ func formatBinaryDateTime(src []byte, length uint8, justTime bool) (driver.Value
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digits10[p2], digits01[p2], ':',
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digits10[p3], digits01[p3],
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)
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if length <= byte(len(dst)) {
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return dst, nil
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}
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src = src[2:]
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return appendMicrosecs(dst, src[2:], int(length)-20), nil
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}
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func formatBinaryTime(src []byte, length uint8) (driver.Value, error) {
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// length expects the deterministic length of the zero value,
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// negative time and 100+ hours are automatically added if needed
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if len(src) == 0 {
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return append(dst, zeroDateTime[19:zOffs+length]...), nil
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return zeroDateTime[11 : 11+length], nil
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}
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microsecs := binary.LittleEndian.Uint32(src[:4])
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p1 = byte(microsecs / 10000)
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microsecs -= 10000 * uint32(p1)
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p2 = byte(microsecs / 100)
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microsecs -= 100 * uint32(p2)
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p3 = byte(microsecs)
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switch decimals := zOffs + length - 20; decimals {
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var dst []byte // return value
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switch length {
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case
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8, // time (can be up to 10 when negative and 100+ hours)
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10, 11, 12, 13, 14, 15: // time with fractional seconds
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default:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2], digits01[p2],
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digits10[p3], digits01[p3],
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), nil
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case 1:
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return append(dst, '.',
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digits10[p1],
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), nil
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case 2:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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), nil
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case 3:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2],
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), nil
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case 4:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2], digits01[p2],
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), nil
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case 5:
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return append(dst, '.',
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digits10[p1], digits01[p1],
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digits10[p2], digits01[p2],
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digits10[p3],
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), nil
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return nil, fmt.Errorf("illegal TIME length %d", length)
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}
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switch len(src) {
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case 8, 12:
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default:
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return nil, fmt.Errorf("invalid TIME packet length %d", len(src))
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}
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// +2 to enable negative time and 100+ hours
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dst = make([]byte, 0, length+2)
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if src[0] == 1 {
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dst = append(dst, '-')
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}
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days := binary.LittleEndian.Uint32(src[1:5])
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hours := int64(days)*24 + int64(src[5])
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if hours >= 100 {
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dst = strconv.AppendInt(dst, hours, 10)
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} else {
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dst = append(dst, digits10[hours], digits01[hours])
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}
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min, sec := src[6], src[7]
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dst = append(dst, ':',
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digits10[min], digits01[min], ':',
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digits10[sec], digits01[sec],
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)
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return appendMicrosecs(dst, src[8:], int(length)-9), nil
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}
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/******************************************************************************
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@ -537,7 +441,7 @@ func readLengthEncodedString(b []byte) ([]byte, bool, int, error) {
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// Check data length
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if len(b) >= n {
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return b[n-int(num) : n], false, n, nil
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return b[n-int(num) : n : n], false, n, nil
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}
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return nil, false, n, io.EOF
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}
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@ -566,8 +470,8 @@ func readLengthEncodedInteger(b []byte) (uint64, bool, int) {
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if len(b) == 0 {
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return 0, true, 1
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}
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switch b[0] {
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switch b[0] {
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// 251: NULL
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case 0xfb:
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return 0, true, 1
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@ -800,7 +704,7 @@ func (ab *atomicBool) TrySet(value bool) bool {
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return atomic.SwapUint32(&ab.value, 0) > 0
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}
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// atomicBool is a wrapper for atomically accessed error values
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// atomicError is a wrapper for atomically accessed error values
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type atomicError struct {
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_noCopy noCopy
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value atomic.Value
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