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Versions in this module

v0

v0.12.0

May 17, 2026

v0.11.0

May 15, 2026

v0.10.1

May 11, 2026

v0.10.0

May 10, 2026

v0.9.0

May 8, 2026

Changes in this version

+ var ErrAuthPhase1Rewrite = errors.New("AUTH Phase 1 rewrite failed")

+ var ErrAuthPhase2Rewrite = errors.New("AUTH Phase 2 rewrite failed")

+ var ErrAuthSvrResponseBadLength = errors.New("AUTH_SVR_RESPONSE rebuilt with wrong length")

+ var ErrAuthSvrResponseKeyNotFound = errors.New("AUTH_SVR_RESPONSE key not found in AUTH OK")

+ var ErrAuthSvrResponseNotHex = errors.New("AUTH_SVR_RESPONSE value not uppercase hex")

+ var ErrAuthSvrResponseTruncated = errors.New("AUTH_SVR_RESPONSE value truncated")

+ var ErrNoCombinedKeyCandidate = errors.New("no combined-key candidate available")

type O5LogonServer

+ CombinedKey []byte

+ func (s *O5LogonServer) CustomHashEnabled() bool

+ func (s *O5LogonServer) DeriveCombinedKey(encClientSessKey string) error

+ func (s *O5LogonServer) EnableCustomHash()

+ func (s *O5LogonServer) PBKDF2ChkSalt() string

+ func (s *O5LogonServer) PBKDF2SderCount() int

+ func (s *O5LogonServer) PBKDF2VgenCount() int

v0.8.0

May 6, 2026

v0.7.0

May 6, 2026

Changes in this version

+ const VerifierType18453

+ const VerifierType6949

+ var ErrInvalidHex = errors.New("invalid hex character")

+ var ErrInvalidHexLength = errors.New("invalid hex string length")

+ var ErrPhase1MissingSessKey = errors.New("AUTH Phase 1 response: missing AUTH_SESSKEY")

+ var ErrPhase1MissingVerifierData = errors.New("AUTH Phase 1 response: missing AUTH_VFR_DATA")

+ var ErrRedirectMissingHostPort = errors.New("redirect: could not extract HOST/PORT from descriptor")

+ var ErrUnsupportedVerifier = errors.New("unsupported Oracle verifier type")

+ var ErrUpstreamAuthPhase1Rejected = errors.New("upstream AUTH Phase 1 rejected")

+ var ErrUpstreamAuthPhase2Rejected = errors.New("upstream AUTH Phase 2 rejected")

+ var ErrUpstreamConnNotSet = errors.New("upstream connection not set before AUTH")

+ var ErrUpstreamTooManyRedirects = errors.New("upstream: too many redirects")

v0.6.0

Apr 15, 2026

v0.5.2

Apr 14, 2026

v0.5.1

Apr 14, 2026

v0.5.0

Apr 14, 2026

Changes in this version

+ const ORA01017

+ const ORA12505

+ const ORA12514

+ const ORA12520

+ const ORA12535

+ const ORA12541

+ var ErrAPIKeyOwnerMismatchOracle = errors.New("API key does not belong to user")

+ var ErrAuthPhase1BadUsername = errors.New("AUTH Phase 1: invalid username length")

+ var ErrAuthPhase1NoData = errors.New("AUTH Phase 1: no data after sub-op")

+ var ErrAuthPhase1TooShort = errors.New("AUTH Phase 1 payload too short")

+ var ErrAuthPhase2MissingPassword = errors.New("AUTH Phase 2: missing AUTH_PASSWORD")

+ var ErrAuthPhase2MissingSessKey = errors.New("AUTH Phase 2: missing AUTH_SESSKEY")

+ var ErrAuthPhase2TooShort = errors.New("AUTH Phase 2 payload too short")

+ var ErrCiphertextNotAligned = errors.New("ciphertext is not a multiple of block size")

+ var ErrClientAuthFailed = errors.New("client authentication failed")

+ var ErrDecryptedPasswordTooShort = errors.New("decrypted password too short")

+ var ErrInvalidPadding = errors.New("invalid PKCS7 padding")

+ var ErrMaxResendExceeded = errors.New("exceeded maximum resend attempts")

+ var ErrNoO5LogonVerifier = errors.New("no API key with O5LOGON verifier found")

+ var ErrUnexpectedPacketType = errors.New("unexpected TNS packet type")

+ func GenerateO5LogonVerifier(password string) ([]byte, []byte, error)

+ func IsExecSQL(ttcPayload []byte) bool

+ type O5LogonServer struct

+ func NewO5LogonServer(salt, verifierKey []byte) *O5LogonServer

+ func (s *O5LogonServer) DecryptPassword(encClientSessKey, encPassword string) (string, error)

+ func (s *O5LogonServer) GenerateChallenge() (string, string, error)

type TTCFunctionCode

+ const TTCFuncContinuation

v0.4.0

Apr 4, 2026

Changes in this version

+ const DumpDirClientToServer

+ const DumpDirServerToClient

+ const OracleTypeBINDOUBLE

+ const OracleTypeBINFLOAT

+ const OracleTypeBLOB

+ const OracleTypeCHAR

+ const OracleTypeCLOB

+ const OracleTypeDATE

+ const OracleTypeNUMBER

+ const OracleTypeRAW

+ const OracleTypeTIMESTAMP

+ const OracleTypeTIMESTAMPLTZ

+ const OracleTypeTIMESTAMPTZ

+ const OracleTypeVARCHAR2

+ const PiggybackSubAuth1

+ const PiggybackSubAuth2

+ const PiggybackSubClose

+ const PiggybackSubExecSQL

+ var ErrAuthFailed = errors.New("upstream authentication failed")

+ var ErrColumnDefTooShort = errors.New("column definition too short")

+ var ErrColumnNameTruncated = errors.New("column name exceeds payload")

+ var ErrDataLimitExceed = errors.New("data transfer limit exceeded")

+ var ErrDatabaseNotFound = errors.New("database not found")

+ var ErrEmptyRowData = errors.New("empty row data")

+ var ErrEmptySQL = errors.New("OALL8 message contains empty SQL")

+ var ErrEmptyUsername = errors.New("empty username in AUTH message")

+ var ErrExpectedConnectPacket = errors.New("expected TNS Connect packet")

+ var ErrInvalidDateLength = errors.New("oracle DATE requires exactly 7 bytes")

+ var ErrInvalidDumpMagic = errors.New("invalid dump file magic")

+ var ErrInvalidFloatLength = errors.New("invalid float data length")

+ var ErrInvalidNumberData = errors.New("oracle NUMBER data is empty")

+ var ErrInvalidTimestampLength = errors.New("oracle TIMESTAMP requires at least 11 bytes")

+ var ErrNoActiveGrant = errors.New("no active grant for this user/database")

+ var ErrNoServiceName = errors.New("no SERVICE_NAME in connect descriptor")

+ var ErrNoTypeCode = errors.New("column definition missing type code")

+ var ErrNotDataPacket = errors.New("expected TNS Data packet")

+ var ErrOALL8TooShort = errors.New("OALL8 payload too short")

+ var ErrOFETCHTooShort = errors.New("OFETCH payload too short")

+ var ErrQueryLimitExceed = errors.New("query limit exceeded")

+ var ErrRowValueTruncated = errors.New("row value exceeds payload")

+ var ErrSQLLengthInvalid = errors.New("OALL8 SQL length exceeds payload")

+ var ErrTNSHeaderTooShort = errors.New("TNS header too short: need at least 8 bytes")

+ var ErrTNSPacketTooLarge = errors.New("TNS packet length exceeds maximum")

+ var ErrTTCPayloadTooShort = errors.New("TTC payload too short")

+ var ErrUpstreamRefused = errors.New("upstream refused connection")

+ var ErrUserNotFound = errors.New("user not found")

+ func CleanupOldDumps(dir string, retention time.Duration) (int, error)

+ func IsPiggybackClose(ttcPayload []byte) bool

+ func IsPiggybackExecSQL(ttcPayload []byte) bool

+ type ConnectDescriptor struct

+ Host string

+ OSUser string

+ Port int

+ Program string

+ SID string

+ ServiceName string

+ type DumpHeader struct

+ ServiceName string

+ SessionUID uuid.UUID

+ StartTime time.Time

+ UpstreamAddr string

+ Version uint16

+ type DumpPacket struct

+ Data []byte

+ Direction byte

+ RelativeNs int64

+ type DumpReader struct

+ Header DumpHeader

+ func OpenDump(path string) (*DumpReader, error)

+ func (r *DumpReader) Close() error

+ func (r *DumpReader) ReadPacket() (*DumpPacket, error)

+ type DumpWriter struct

+ func NewDumpWriter(path string, sessionUID uuid.UUID, serviceName, upstreamAddr string, ...) (*DumpWriter, error)

+ func (w *DumpWriter) Close() error

+ func (w *DumpWriter) WritePacket(direction byte, data []byte) error

+ type OALL8Result struct

+ BindValues []string

+ CursorID uint16

+ SQL string

+ func (r *OALL8Result) IsPLSQL() bool

+ type OFETCHResult struct

+ CursorID uint16

+ FetchSize uint32

+ type QueryResultV2 struct

+ Columns []string

+ NoData bool

+ Rows [][]string

+ type Server struct

+ func NewServer(dataStore *store.Store, encryptionKey []byte, authCache *cache.AuthCache, ...) *Server

+ func (s *Server) Addr() net.Addr

+ func (s *Server) Shutdown(ctx context.Context) error

+ func (s *Server) Start(addr string) error

+ type TNSPacket struct

+ Flags byte

+ Length uint16

+ Payload []byte

+ Raw []byte

+ Type TNSPacketType

+ func (p *TNSPacket) Encode() []byte

+ type TNSPacketType byte

+ const TNSPacketTypeAccept

+ const TNSPacketTypeConnect

+ const TNSPacketTypeControl

+ const TNSPacketTypeData

+ const TNSPacketTypeMarker

+ const TNSPacketTypeRedirect

+ const TNSPacketTypeRefuse

+ const TNSPacketTypeResend

+ func (t TNSPacketType) String() string

+ type TTCFunctionCode byte

+ const TTCFuncOALL8

+ const TTCFuncOCANCEL

+ const TTCFuncOCLOSE

+ const TTCFuncOClosev2

+ const TTCFuncOFETCH

+ const TTCFuncOVersion

+ const TTCFuncPiggyback

+ const TTCFuncQueryResult

+ const TTCFuncResponse

+ const TTCFuncSetDataTypes

+ const TTCFuncSetProtocol

+ func (fc TTCFunctionCode) String() string

+ type TTCResponse struct

+ Columns []columnDef

+ ErrorCode int

+ ErrorMessage string

+ IsError bool

+ MoreData bool

+ ReturnCode uint16

+ RowCount uint32

+ Rows [][]interface{}

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