cyberark/secretless-broker

/*
MIT License

Copyright (c) 2017 Aleksandr Fedotov

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

package protocol

// Random constants
const (
    // MySQL response types
    ResponseAuthMoreData      = 0x01
    ResponseEOF               = 0xfe
    ResponseOk                = 0x00
    ResponsePrepareOk         = 0x00
    ResponseAuthSwitchRequest = 0xfe
    ResponseErr               = 0xff
    responseLocalinfile       = 0xfb

    // MySQL field types constants
    fieldTypeString   = 0xfd
    fieldTypeLongLong = 0x08
    fieldTypeDouble   = 0x05

    // There is no code for Resultset in MySQL internal protocol
    // so it's defined here for convenience
    responseResultset = 0xbb

    // MySQL connection state constants
    connStateStarted  = 0xf4
    connStateFinished = 0xf5

    // Digits after comma
    doubleDecodePrecision = 6

    // caching_sha256_password authentication plugin constants
    CachingSha2PasswordRequestPublicKey          = 0x02
    CachingSha2PasswordFastAuthSuccess           = 0x03
    CachingSha2PasswordPerformFullAuthentication = 0x04
)

// Protocol commands
const (
    comQuit byte = iota + 1
    comInitDB
    ComQuery
    ComFieldList
    comCreateDB
    comDropDB
    comRefresh
    comShutdown
    comStatistics
    comProcessInfo
    comConnect
    comProcessKill
    comDebug
    comPing
    comTime
    comDelayedInsert
    comChangeUser
    comBinlogDump
    comTableDump
    comConnectOut
    comRegisterSlave
    ComStmtPrepare
    ComStmtExecute
    comStmtSendLongData
    ComStmtClose
    comStmtReset
    comSetOption
    comStmtFetch
)

// Capability flags
const (
    ClientLongPassword uint32 = 1 << iota
    ClientFoundRows
    ClientLongFlag
    ClientConnectWithDB
    ClientNoSchema
    ClientCompress
    ClientODBC
    ClientLocalFiles
    ClientIgnoreSpace
    ClientProtocol41
    ClientInteractive
    ClientSSL
    ClientIgnoreSIGPIPE
    ClientTransactions
    ClientReserved
    ClientSecureConnection
    ClientMultiStatements
    ClientMultiResults
    ClientPSMultiResults
    ClientPluginAuth
    ClientConnectAttrs
    ClientPluginAuthLenEncClientData
    ClientCanHandleExpiredPasswords
    ClientSessionTrack
    ClientDeprecateEOF
)