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e374bb7e2d
* [Vendor] update go-ldap to v3.0.3 * update go-ldap to v3.2.4 Co-authored-by: techknowlogick <techknowlogick@gitea.io>
126 lines
4.6 KiB
Go
Vendored
126 lines
4.6 KiB
Go
Vendored
package ldap
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import (
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"fmt"
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ber "github.com/go-asn1-ber/asn1-ber"
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)
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const (
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passwordModifyOID = "1.3.6.1.4.1.4203.1.11.1"
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)
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// PasswordModifyRequest implements the Password Modify Extended Operation as defined in https://www.ietf.org/rfc/rfc3062.txt
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type PasswordModifyRequest struct {
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// UserIdentity is an optional string representation of the user associated with the request.
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// This string may or may not be an LDAPDN [RFC2253].
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// If no UserIdentity field is present, the request acts up upon the password of the user currently associated with the LDAP session
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UserIdentity string
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// OldPassword, if present, contains the user's current password
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OldPassword string
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// NewPassword, if present, contains the desired password for this user
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NewPassword string
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}
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// PasswordModifyResult holds the server response to a PasswordModifyRequest
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type PasswordModifyResult struct {
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// GeneratedPassword holds a password generated by the server, if present
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GeneratedPassword string
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// Referral are the returned referral
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Referral string
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}
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func (req *PasswordModifyRequest) appendTo(envelope *ber.Packet) error {
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pkt := ber.Encode(ber.ClassApplication, ber.TypeConstructed, ApplicationExtendedRequest, nil, "Password Modify Extended Operation")
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pkt.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, passwordModifyOID, "Extended Request Name: Password Modify OID"))
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extendedRequestValue := ber.Encode(ber.ClassContext, ber.TypePrimitive, 1, nil, "Extended Request Value: Password Modify Request")
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passwordModifyRequestValue := ber.Encode(ber.ClassUniversal, ber.TypeConstructed, ber.TagSequence, nil, "Password Modify Request")
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if req.UserIdentity != "" {
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passwordModifyRequestValue.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 0, req.UserIdentity, "User Identity"))
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}
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if req.OldPassword != "" {
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passwordModifyRequestValue.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 1, req.OldPassword, "Old Password"))
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}
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if req.NewPassword != "" {
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passwordModifyRequestValue.AppendChild(ber.NewString(ber.ClassContext, ber.TypePrimitive, 2, req.NewPassword, "New Password"))
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}
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extendedRequestValue.AppendChild(passwordModifyRequestValue)
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pkt.AppendChild(extendedRequestValue)
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envelope.AppendChild(pkt)
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return nil
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}
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// NewPasswordModifyRequest creates a new PasswordModifyRequest
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//
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// According to the RFC 3602 (https://tools.ietf.org/html/rfc3062):
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// userIdentity is a string representing the user associated with the request.
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// This string may or may not be an LDAPDN (RFC 2253).
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// If userIdentity is empty then the operation will act on the user associated
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// with the session.
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//
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// oldPassword is the current user's password, it can be empty or it can be
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// needed depending on the session user access rights (usually an administrator
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// can change a user's password without knowing the current one) and the
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// password policy (see pwdSafeModify password policy's attribute)
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//
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// newPassword is the desired user's password. If empty the server can return
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// an error or generate a new password that will be available in the
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// PasswordModifyResult.GeneratedPassword
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//
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func NewPasswordModifyRequest(userIdentity string, oldPassword string, newPassword string) *PasswordModifyRequest {
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return &PasswordModifyRequest{
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UserIdentity: userIdentity,
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OldPassword: oldPassword,
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NewPassword: newPassword,
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}
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}
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// PasswordModify performs the modification request
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func (l *Conn) PasswordModify(passwordModifyRequest *PasswordModifyRequest) (*PasswordModifyResult, error) {
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msgCtx, err := l.doRequest(passwordModifyRequest)
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if err != nil {
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return nil, err
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}
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defer l.finishMessage(msgCtx)
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packet, err := l.readPacket(msgCtx)
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if err != nil {
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return nil, err
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}
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result := &PasswordModifyResult{}
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if packet.Children[1].Tag == ApplicationExtendedResponse {
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err := GetLDAPError(packet)
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if err != nil {
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if IsErrorWithCode(err, LDAPResultReferral) {
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for _, child := range packet.Children[1].Children {
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if child.Tag == 3 {
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result.Referral = child.Children[0].Value.(string)
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}
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}
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}
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return result, err
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}
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} else {
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return nil, NewError(ErrorUnexpectedResponse, fmt.Errorf("unexpected Response: %d", packet.Children[1].Tag))
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}
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extendedResponse := packet.Children[1]
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for _, child := range extendedResponse.Children {
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if child.Tag == 11 {
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passwordModifyResponseValue := ber.DecodePacket(child.Data.Bytes())
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if len(passwordModifyResponseValue.Children) == 1 {
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if passwordModifyResponseValue.Children[0].Tag == 0 {
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result.GeneratedPassword = ber.DecodeString(passwordModifyResponseValue.Children[0].Data.Bytes())
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}
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}
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}
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}
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return result, nil
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}
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