Fix OldAuthSwitchRequest support

methane · methane · commit 071989a283d2 · 2018-10-15T22:18:45.000+09:00
Fixes go-sql-driver#844
diff --git a/packets.go b/packets.go
@@ -479,7 +479,7 @@ func (mc *mysqlConn) readAuthResult() ([]byte, string, error) {
 		return data[1:], "", err
 
 	case iEOF:
-		if len(data) < 1 {
+		if len(data) == 1 {
 			// https://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::OldAuthSwitchRequest
 			return nil, "mysql_old_password", nil
 		}

Original file line number	Diff line number	Diff line change
`@@ -479,7 +479,7 @@ func (mc *mysqlConn) readAuthResult() ([]byte, string, error) {`
`479`	`479`	`return data[1:], "", err`
`480`	`480`
`481`	`481`	`case iEOF:`
`482`		`- if len(data) < 1 {`
	`482`	`+ if len(data) == 1 {`
`483`	`483`	`// https://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::OldAuthSwitchRequest`
`484`	`484`	`return nil, "mysql_old_password", nil`
`485`	`485`	`}`