ldap

package
v0.7.6 Latest Latest
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 Go to latest Published: Nov 12, 2015 License: MIT, BSD-3-Clause Imports: 9 Imported by: 0

README 

Basic LDAP v3 functionality for the GO programming language.

Required Librarys: 
   github.com/johnweldon/asn1-ber

Working:
   Connecting to LDAP server
   Binding to LDAP server
   Searching for entries
   Compiling string filters to LDAP filters
   Paging Search Results
   Modify Requests / Responses

Examples:
   search
   modify

Tests Implemented:
   Filter Compile / Decompile

TODO:
   Add Requests / Responses
   Delete Requests / Responses
   Modify DN Requests / Responses
   Compare Requests / Responses
   Implement Tests / Benchmarks

This feature is disabled at the moment, because in some cases the "Search Request Done" packet will be handled before the last "Search Request Entry":
   Mulitple internal goroutines to handle network traffic
      Makes library goroutine safe
      Can perform multiple search requests at the same time and return
         the results to the proper goroutine.  All requests are blocking
         requests, so the goroutine does not need special handling

Documentation

Index

Constants

View Source 
const (
	MessageQuit     = 0
	MessageRequest  = 1
	MessageResponse = 2
	MessageFinish   = 3
)
View Source 
const (
	FilterAnd             = 0
	FilterOr              = 1
	FilterNot             = 2
	FilterEqualityMatch   = 3
	FilterSubstrings      = 4
	FilterGreaterOrEqual  = 5
	FilterLessOrEqual     = 6
	FilterPresent         = 7
	FilterApproxMatch     = 8
	FilterExtensibleMatch = 9
)
View Source 
const (
	FilterSubstringsInitial = 0
	FilterSubstringsAny     = 1
	FilterSubstringsFinal   = 2
)
View Source 
const (
	ApplicationBindRequest           = 0
	ApplicationBindResponse          = 1
	ApplicationUnbindRequest         = 2
	ApplicationSearchRequest         = 3
	ApplicationSearchResultEntry     = 4
	ApplicationSearchResultDone      = 5
	ApplicationModifyRequest         = 6
	ApplicationModifyResponse        = 7
	ApplicationAddRequest            = 8
	ApplicationAddResponse           = 9
	ApplicationDelRequest            = 10
	ApplicationDelResponse           = 11
	ApplicationModifyDNRequest       = 12
	ApplicationModifyDNResponse      = 13
	ApplicationCompareRequest        = 14
	ApplicationCompareResponse       = 15
	ApplicationAbandonRequest        = 16
	ApplicationSearchResultReference = 19
	ApplicationExtendedRequest       = 23
	ApplicationExtendedResponse      = 24
)

LDAP Application Codes

View Source 
const (
	LDAPResultSuccess                      = 0
	LDAPResultOperationsError              = 1
	LDAPResultProtocolError                = 2
	LDAPResultTimeLimitExceeded            = 3
	LDAPResultSizeLimitExceeded            = 4
	LDAPResultCompareFalse                 = 5
	LDAPResultCompareTrue                  = 6
	LDAPResultAuthMethodNotSupported       = 7
	LDAPResultStrongAuthRequired           = 8
	LDAPResultReferral                     = 10
	LDAPResultAdminLimitExceeded           = 11
	LDAPResultUnavailableCriticalExtension = 12
	LDAPResultConfidentialityRequired      = 13
	LDAPResultSaslBindInProgress           = 14
	LDAPResultNoSuchAttribute              = 16
	LDAPResultUndefinedAttributeType       = 17
	LDAPResultInappropriateMatching        = 18
	LDAPResultConstraintViolation          = 19
	LDAPResultAttributeOrValueExists       = 20
	LDAPResultInvalidAttributeSyntax       = 21
	LDAPResultNoSuchObject                 = 32
	LDAPResultAliasProblem                 = 33
	LDAPResultInvalidDNSyntax              = 34
	LDAPResultAliasDereferencingProblem    = 36
	LDAPResultInappropriateAuthentication  = 48
	LDAPResultInvalidCredentials           = 49
	LDAPResultInsufficientAccessRights     = 50
	LDAPResultBusy                         = 51
	LDAPResultUnavailable                  = 52
	LDAPResultUnwillingToPerform           = 53
	LDAPResultLoopDetect                   = 54
	LDAPResultNamingViolation              = 64
	LDAPResultObjectClassViolation         = 65
	LDAPResultNotAllowedOnNonLeaf          = 66
	LDAPResultNotAllowedOnRDN              = 67
	LDAPResultEntryAlreadyExists           = 68
	LDAPResultObjectClassModsProhibited    = 69
	LDAPResultAffectsMultipleDSAs          = 71
	LDAPResultOther                        = 80

	ErrorNetwork         = 200
	ErrorFilterCompile   = 201
	ErrorFilterDecompile = 202
	ErrorDebugging       = 203
)

LDAP Result Codes

View Source 
const (
	AddAttribute     = 0
	DeleteAttribute  = 1
	ReplaceAttribute = 2
)
View Source 
const (
	ScopeBaseObject   = 0
	ScopeSingleLevel  = 1
	ScopeWholeSubtree = 2
)
View Source 
const (
	NeverDerefAliases   = 0
	DerefInSearching    = 1
	DerefFindingBaseObj = 2
	DerefAlways         = 3
)
View Source 
const (
	ControlTypePaging = "1.2.840.113556.1.4.319"
)

Variables

View Source 
var ApplicationMap = map[uint8]string{
	ApplicationBindRequest:           "Bind Request",
	ApplicationBindResponse:          "Bind Response",
	ApplicationUnbindRequest:         "Unbind Request",
	ApplicationSearchRequest:         "Search Request",
	ApplicationSearchResultEntry:     "Search Result Entry",
	ApplicationSearchResultDone:      "Search Result Done",
	ApplicationModifyRequest:         "Modify Request",
	ApplicationModifyResponse:        "Modify Response",
	ApplicationAddRequest:            "Add Request",
	ApplicationAddResponse:           "Add Response",
	ApplicationDelRequest:            "Del Request",
	ApplicationDelResponse:           "Del Response",
	ApplicationModifyDNRequest:       "Modify DN Request",
	ApplicationModifyDNResponse:      "Modify DN Response",
	ApplicationCompareRequest:        "Compare Request",
	ApplicationCompareResponse:       "Compare Response",
	ApplicationAbandonRequest:        "Abandon Request",
	ApplicationSearchResultReference: "Search Result Reference",
	ApplicationExtendedRequest:       "Extended Request",
	ApplicationExtendedResponse:      "Extended Response",
}
View Source 
var ControlTypeMap = map[string]string{
	ControlTypePaging: "Paging",
}
View Source 
var DerefMap = map[int]string{
	NeverDerefAliases:   "NeverDerefAliases",
	DerefInSearching:    "DerefInSearching",
	DerefFindingBaseObj: "DerefFindingBaseObj",
	DerefAlways:         "DerefAlways",
}
View Source 
var FilterMap = map[uint64]string{
	FilterAnd:             "And",
	FilterOr:              "Or",
	FilterNot:             "Not",
	FilterEqualityMatch:   "Equality Match",
	FilterSubstrings:      "Substrings",
	FilterGreaterOrEqual:  "Greater Or Equal",
	FilterLessOrEqual:     "Less Or Equal",
	FilterPresent:         "Present",
	FilterApproxMatch:     "Approx Match",
	FilterExtensibleMatch: "Extensible Match",
}
View Source 
var FilterSubstringsMap = map[uint64]string{
	FilterSubstringsInitial: "Substrings Initial",
	FilterSubstringsAny:     "Substrings Any",
	FilterSubstringsFinal:   "Substrings Final",
}
View Source 
var LDAPResultCodeMap = map[uint8]string{
	LDAPResultSuccess:                      "Success",
	LDAPResultOperationsError:              "Operations Error",
	LDAPResultProtocolError:                "Protocol Error",
	LDAPResultTimeLimitExceeded:            "Time Limit Exceeded",
	LDAPResultSizeLimitExceeded:            "Size Limit Exceeded",
	LDAPResultCompareFalse:                 "Compare False",
	LDAPResultCompareTrue:                  "Compare True",
	LDAPResultAuthMethodNotSupported:       "Auth Method Not Supported",
	LDAPResultStrongAuthRequired:           "Strong Auth Required",
	LDAPResultReferral:                     "Referral",
	LDAPResultAdminLimitExceeded:           "Admin Limit Exceeded",
	LDAPResultUnavailableCriticalExtension: "Unavailable Critical Extension",
	LDAPResultConfidentialityRequired:      "Confidentiality Required",
	LDAPResultSaslBindInProgress:           "Sasl Bind In Progress",
	LDAPResultNoSuchAttribute:              "No Such Attribute",
	LDAPResultUndefinedAttributeType:       "Undefined Attribute Type",
	LDAPResultInappropriateMatching:        "Inappropriate Matching",
	LDAPResultConstraintViolation:          "Constraint Violation",
	LDAPResultAttributeOrValueExists:       "Attribute Or Value Exists",
	LDAPResultInvalidAttributeSyntax:       "Invalid Attribute Syntax",
	LDAPResultNoSuchObject:                 "No Such Object",
	LDAPResultAliasProblem:                 "Alias Problem",
	LDAPResultInvalidDNSyntax:              "Invalid DN Syntax",
	LDAPResultAliasDereferencingProblem:    "Alias Dereferencing Problem",
	LDAPResultInappropriateAuthentication:  "Inappropriate Authentication",
	LDAPResultInvalidCredentials:           "Invalid Credentials",
	LDAPResultInsufficientAccessRights:     "Insufficient Access Rights",
	LDAPResultBusy:                         "Busy",
	LDAPResultUnavailable:                  "Unavailable",
	LDAPResultUnwillingToPerform:           "Unwilling To Perform",
	LDAPResultLoopDetect:                   "Loop Detect",
	LDAPResultNamingViolation:              "Naming Violation",
	LDAPResultObjectClassViolation:         "Object Class Violation",
	LDAPResultNotAllowedOnNonLeaf:          "Not Allowed On Non Leaf",
	LDAPResultNotAllowedOnRDN:              "Not Allowed On RDN",
	LDAPResultEntryAlreadyExists:           "Entry Already Exists",
	LDAPResultObjectClassModsProhibited:    "Object Class Mods Prohibited",
	LDAPResultAffectsMultipleDSAs:          "Affects Multiple DSAs",
	LDAPResultOther:                        "Other",
}
View Source 
var ScopeMap = map[int]string{
	ScopeBaseObject:   "Base Object",
	ScopeSingleLevel:  "Single Level",
	ScopeWholeSubtree: "Whole Subtree",
}

Functions

func CompileFilter 

func CompileFilter(filter string) (*ber.Packet, error)

func DebugBinaryFile 

func DebugBinaryFile(fileName string) error

func DecompileFilter 

func DecompileFilter(packet *ber.Packet) (ret string, err error)

func NewError 

func NewError(resultCode uint8, err error) error

Types

type Conn 

type Conn struct {
	Debug debugging
	// contains filtered or unexported fields
}

Conn represents an LDAP Connection

func Dial 

func Dial(network, addr string) (*Conn, error)

Dial connects to the given address on the given network using net.Dial and then returns a new Conn for the connection.

func DialTLS 

func DialTLS(network, addr string, config *tls.Config) (*Conn, error)

DialTLS connects to the given address on the given network using tls.Dial and then returns a new Conn for the connection.

func NewConn 

func NewConn(conn net.Conn) *Conn

NewConn returns a new Conn using conn for network I/O.

func (*Conn) Bind 

func (l *Conn) Bind(username, password string) error

func (*Conn) Close 

func (l *Conn) Close()

Close closes the connection.

func (*Conn) Modify 

func (l *Conn) Modify(modifyRequest *ModifyRequest) error

func (*Conn) Search 

func (l *Conn) Search(searchRequest *SearchRequest) (*SearchResult, error)

func (*Conn) SearchWithPaging 

func (l *Conn) SearchWithPaging(searchRequest *SearchRequest, pagingSize uint32) (*SearchResult, error)

func (*Conn) StartTLS 

func (l *Conn) StartTLS(config *tls.Config) error

StartTLS sends the command to start a TLS session and then creates a new TLS Client

type Control 

type Control interface {
	GetControlType() string
	Encode() *ber.Packet
	String() string
}

func DecodeControl 

func DecodeControl(packet *ber.Packet) Control

func FindControl 

func FindControl(controls []Control, controlType string) Control

type ControlPaging 

type ControlPaging struct {
	PagingSize uint32
	Cookie     []byte
}

func NewControlPaging 

func NewControlPaging(pagingSize uint32) *ControlPaging

func (*ControlPaging) Encode 

func (c *ControlPaging) Encode() *ber.Packet

func (*ControlPaging) GetControlType 

func (c *ControlPaging) GetControlType() string

func (*ControlPaging) SetCookie 

func (c *ControlPaging) SetCookie(cookie []byte)

func (*ControlPaging) String 

func (c *ControlPaging) String() string

type ControlString 

type ControlString struct {
	ControlType  string
	Criticality  bool
	ControlValue string
}

func NewControlString 

func NewControlString(controlType string, criticality bool, controlValue string) *ControlString

func (*ControlString) Encode 

func (c *ControlString) Encode() *ber.Packet

func (*ControlString) GetControlType 

func (c *ControlString) GetControlType() string

func (*ControlString) String 

func (c *ControlString) String() string

type Entry 

type Entry struct {
	DN         string
	Attributes []*EntryAttribute
}

func (*Entry) GetAttributeValue 

func (e *Entry) GetAttributeValue(attribute string) string

func (*Entry) GetAttributeValues 

func (e *Entry) GetAttributeValues(attribute string) []string

func (*Entry) PrettyPrint 

func (e *Entry) PrettyPrint(indent int)

func (*Entry) Print 

func (e *Entry) Print()

type EntryAttribute 

type EntryAttribute struct {
	Name   string
	Values []string
}

func (*EntryAttribute) PrettyPrint 

func (e *EntryAttribute) PrettyPrint(indent int)

func (*EntryAttribute) Print 

func (e *EntryAttribute) Print()

type Error 

type Error struct {
	Err        error
	ResultCode uint8
}

func (*Error) Error 

func (e *Error) Error() string

type ModifyRequest 

type ModifyRequest struct {
	// contains filtered or unexported fields
}

func NewModifyRequest 

func NewModifyRequest(
	dn string,
) *ModifyRequest

func (*ModifyRequest) Add 

func (m *ModifyRequest) Add(attrType string, attrVals []string)

func (*ModifyRequest) Delete 

func (m *ModifyRequest) Delete(attrType string, attrVals []string)

func (*ModifyRequest) Replace 

func (m *ModifyRequest) Replace(attrType string, attrVals []string)

type PartialAttribute 

type PartialAttribute struct {
	// contains filtered or unexported fields
}

type SearchRequest 

type SearchRequest struct {
	BaseDN       string
	Scope        int
	DerefAliases int
	SizeLimit    int
	TimeLimit    int
	TypesOnly    bool
	Filter       string
	Attributes   []string
	Controls     []Control
}

func NewSearchRequest 

func NewSearchRequest(
	BaseDN string,
	Scope, DerefAliases, SizeLimit, TimeLimit int,
	TypesOnly bool,
	Filter string,
	Attributes []string,
	Controls []Control,
) *SearchRequest

type SearchResult 

type SearchResult struct {
	Entries   []*Entry
	Referrals []string
	Controls  []Control
}

func (*SearchResult) PrettyPrint 

func (s *SearchResult) PrettyPrint(indent int)

func (*SearchResult) Print 

func (s *SearchResult) Print()

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