mirror of
https://github.com/go-gitea/gitea
synced 2024-11-08 19:24:25 +00:00
d77176912b
* Migrate to go modules * make vendor * Update mvdan.cc/xurls * make vendor * Update code.gitea.io/git * make fmt-check * Update github.com/go-sql-driver/mysql * make vendor
235 lines
12 KiB
Go
235 lines
12 KiB
Go
package ldap
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"gopkg.in/asn1-ber.v1"
|
|
)
|
|
|
|
// LDAP Result Codes
|
|
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
|
|
LDAPResultIsLeaf = 35
|
|
LDAPResultAliasDereferencingProblem = 36
|
|
LDAPResultInappropriateAuthentication = 48
|
|
LDAPResultInvalidCredentials = 49
|
|
LDAPResultInsufficientAccessRights = 50
|
|
LDAPResultBusy = 51
|
|
LDAPResultUnavailable = 52
|
|
LDAPResultUnwillingToPerform = 53
|
|
LDAPResultLoopDetect = 54
|
|
LDAPResultSortControlMissing = 60
|
|
LDAPResultOffsetRangeError = 61
|
|
LDAPResultNamingViolation = 64
|
|
LDAPResultObjectClassViolation = 65
|
|
LDAPResultNotAllowedOnNonLeaf = 66
|
|
LDAPResultNotAllowedOnRDN = 67
|
|
LDAPResultEntryAlreadyExists = 68
|
|
LDAPResultObjectClassModsProhibited = 69
|
|
LDAPResultResultsTooLarge = 70
|
|
LDAPResultAffectsMultipleDSAs = 71
|
|
LDAPResultVirtualListViewErrorOrControlError = 76
|
|
LDAPResultOther = 80
|
|
LDAPResultServerDown = 81
|
|
LDAPResultLocalError = 82
|
|
LDAPResultEncodingError = 83
|
|
LDAPResultDecodingError = 84
|
|
LDAPResultTimeout = 85
|
|
LDAPResultAuthUnknown = 86
|
|
LDAPResultFilterError = 87
|
|
LDAPResultUserCanceled = 88
|
|
LDAPResultParamError = 89
|
|
LDAPResultNoMemory = 90
|
|
LDAPResultConnectError = 91
|
|
LDAPResultNotSupported = 92
|
|
LDAPResultControlNotFound = 93
|
|
LDAPResultNoResultsReturned = 94
|
|
LDAPResultMoreResultsToReturn = 95
|
|
LDAPResultClientLoop = 96
|
|
LDAPResultReferralLimitExceeded = 97
|
|
LDAPResultInvalidResponse = 100
|
|
LDAPResultAmbiguousResponse = 101
|
|
LDAPResultTLSNotSupported = 112
|
|
LDAPResultIntermediateResponse = 113
|
|
LDAPResultUnknownType = 114
|
|
LDAPResultCanceled = 118
|
|
LDAPResultNoSuchOperation = 119
|
|
LDAPResultTooLate = 120
|
|
LDAPResultCannotCancel = 121
|
|
LDAPResultAssertionFailed = 122
|
|
LDAPResultAuthorizationDenied = 123
|
|
LDAPResultSyncRefreshRequired = 4096
|
|
|
|
ErrorNetwork = 200
|
|
ErrorFilterCompile = 201
|
|
ErrorFilterDecompile = 202
|
|
ErrorDebugging = 203
|
|
ErrorUnexpectedMessage = 204
|
|
ErrorUnexpectedResponse = 205
|
|
ErrorEmptyPassword = 206
|
|
)
|
|
|
|
// LDAPResultCodeMap contains string descriptions for LDAP error codes
|
|
var LDAPResultCodeMap = map[uint16]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",
|
|
LDAPResultIsLeaf: "Is Leaf",
|
|
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",
|
|
LDAPResultSortControlMissing: "Sort Control Missing",
|
|
LDAPResultOffsetRangeError: "Result Offset Range Error",
|
|
LDAPResultNamingViolation: "Naming Violation",
|
|
LDAPResultObjectClassViolation: "Object Class Violation",
|
|
LDAPResultResultsTooLarge: "Results Too Large",
|
|
LDAPResultNotAllowedOnNonLeaf: "Not Allowed On Non Leaf",
|
|
LDAPResultNotAllowedOnRDN: "Not Allowed On RDN",
|
|
LDAPResultEntryAlreadyExists: "Entry Already Exists",
|
|
LDAPResultObjectClassModsProhibited: "Object Class Mods Prohibited",
|
|
LDAPResultAffectsMultipleDSAs: "Affects Multiple DSAs",
|
|
LDAPResultVirtualListViewErrorOrControlError: "Failed because of a problem related to the virtual list view",
|
|
LDAPResultOther: "Other",
|
|
LDAPResultServerDown: "Cannot establish a connection",
|
|
LDAPResultLocalError: "An error occurred",
|
|
LDAPResultEncodingError: "LDAP encountered an error while encoding",
|
|
LDAPResultDecodingError: "LDAP encountered an error while decoding",
|
|
LDAPResultTimeout: "LDAP timeout while waiting for a response from the server",
|
|
LDAPResultAuthUnknown: "The auth method requested in a bind request is unknown",
|
|
LDAPResultFilterError: "An error occurred while encoding the given search filter",
|
|
LDAPResultUserCanceled: "The user canceled the operation",
|
|
LDAPResultParamError: "An invalid parameter was specified",
|
|
LDAPResultNoMemory: "Out of memory error",
|
|
LDAPResultConnectError: "A connection to the server could not be established",
|
|
LDAPResultNotSupported: "An attempt has been made to use a feature not supported LDAP",
|
|
LDAPResultControlNotFound: "The controls required to perform the requested operation were not found",
|
|
LDAPResultNoResultsReturned: "No results were returned from the server",
|
|
LDAPResultMoreResultsToReturn: "There are more results in the chain of results",
|
|
LDAPResultClientLoop: "A loop has been detected. For example when following referrals",
|
|
LDAPResultReferralLimitExceeded: "The referral hop limit has been exceeded",
|
|
LDAPResultCanceled: "Operation was canceled",
|
|
LDAPResultNoSuchOperation: "Server has no knowledge of the operation requested for cancellation",
|
|
LDAPResultTooLate: "Too late to cancel the outstanding operation",
|
|
LDAPResultCannotCancel: "The identified operation does not support cancellation or the cancel operation cannot be performed",
|
|
LDAPResultAssertionFailed: "An assertion control given in the LDAP operation evaluated to false causing the operation to not be performed",
|
|
LDAPResultSyncRefreshRequired: "Refresh Required",
|
|
LDAPResultInvalidResponse: "Invalid Response",
|
|
LDAPResultAmbiguousResponse: "Ambiguous Response",
|
|
LDAPResultTLSNotSupported: "Tls Not Supported",
|
|
LDAPResultIntermediateResponse: "Intermediate Response",
|
|
LDAPResultUnknownType: "Unknown Type",
|
|
LDAPResultAuthorizationDenied: "Authorization Denied",
|
|
|
|
ErrorNetwork: "Network Error",
|
|
ErrorFilterCompile: "Filter Compile Error",
|
|
ErrorFilterDecompile: "Filter Decompile Error",
|
|
ErrorDebugging: "Debugging Error",
|
|
ErrorUnexpectedMessage: "Unexpected Message",
|
|
ErrorUnexpectedResponse: "Unexpected Response",
|
|
ErrorEmptyPassword: "Empty password not allowed by the client",
|
|
}
|
|
|
|
// Error holds LDAP error information
|
|
type Error struct {
|
|
// Err is the underlying error
|
|
Err error
|
|
// ResultCode is the LDAP error code
|
|
ResultCode uint16
|
|
// MatchedDN is the matchedDN returned if any
|
|
MatchedDN string
|
|
}
|
|
|
|
func (e *Error) Error() string {
|
|
return fmt.Sprintf("LDAP Result Code %d %q: %s", e.ResultCode, LDAPResultCodeMap[e.ResultCode], e.Err.Error())
|
|
}
|
|
|
|
// GetLDAPError creates an Error out of a BER packet representing a LDAPResult
|
|
// The return is an error object. It can be casted to a Error structure.
|
|
// This function returns nil if resultCode in the LDAPResult sequence is success(0).
|
|
func GetLDAPError(packet *ber.Packet) error {
|
|
if packet == nil {
|
|
return &Error{ResultCode: ErrorUnexpectedResponse, Err: fmt.Errorf("Empty packet")}
|
|
} else if len(packet.Children) >= 2 {
|
|
response := packet.Children[1]
|
|
if response == nil {
|
|
return &Error{ResultCode: ErrorUnexpectedResponse, Err: fmt.Errorf("Empty response in packet")}
|
|
}
|
|
if response.ClassType == ber.ClassApplication && response.TagType == ber.TypeConstructed && len(response.Children) >= 3 {
|
|
resultCode := uint16(response.Children[0].Value.(int64))
|
|
if resultCode == 0 { // No error
|
|
return nil
|
|
}
|
|
return &Error{ResultCode: resultCode, MatchedDN: response.Children[1].Value.(string),
|
|
Err: fmt.Errorf("%s", response.Children[2].Value.(string))}
|
|
}
|
|
}
|
|
|
|
return &Error{ResultCode: ErrorNetwork, Err: fmt.Errorf("Invalid packet format")}
|
|
}
|
|
|
|
// NewError creates an LDAP error with the given code and underlying error
|
|
func NewError(resultCode uint16, err error) error {
|
|
return &Error{ResultCode: resultCode, Err: err}
|
|
}
|
|
|
|
// IsErrorWithCode returns true if the given error is an LDAP error with the given result code
|
|
func IsErrorWithCode(err error, desiredResultCode uint16) bool {
|
|
if err == nil {
|
|
return false
|
|
}
|
|
|
|
serverError, ok := err.(*Error)
|
|
if !ok {
|
|
return false
|
|
}
|
|
|
|
return serverError.ResultCode == desiredResultCode
|
|
}
|