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outposts/ldap: add support for base scope and domain info

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Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
This commit is contained in:
Jens Langhammer 2021-09-26 14:01:22 +02:00
parent 674bd9e05c
commit c7e6eb8896
3 changed files with 60 additions and 2 deletions
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5
internal/outpost/ldap/instance_search.go
View file

@ -79,6 +79,11 @@ func (pi *ProviderInstance) Search(req SearchRequest) (ldap.ServerSearchResult,
}).Inc()
return ldap.ServerSearchResult{ResultCode: ldap.LDAPResultInsufficientAccessRights}, errors.New("access denied")
}
if req.SearchRequest.Scope == ldap.ScopeBaseObject {
pi.log.Debug("base scope, showing domain info")
return pi.SearchBase(req, flags.CanSearch)
}
if !flags.CanSearch {
pi.log.Debug("User can't search, showing info about user")
return pi.SearchMe(req, flags)

53
internal/outpost/ldap/instance_search_base.go Normal file
View file

@ -0,0 +1,53 @@
package ldap
import (
"fmt"
"github.com/nmcclain/ldap"
"goauthentik.io/internal/constants"
)
func (pi *ProviderInstance) SearchBase(req SearchRequest, authz bool) (ldap.ServerSearchResult, error) {
dn := ""
if authz {
dn = req.SearchRequest.BaseDN
}
return ldap.ServerSearchResult{
Entries: []*ldap.Entry{
{
DN: dn,
Attributes: []*ldap.EntryAttribute{
{
Name: "distinguishedName",
Values: []string{pi.BaseDN},
},
{
Name: "objectClass",
Values: []string{"top", "domain"},
},
{
Name: "supportedLDAPVersion",
Values: []string{"3"},
},
{
Name: "namingContexts",
Values: []string{
pi.BaseDN,
pi.GroupDN,
pi.UserDN,
},
},
{
Name: "vendorName",
Values: []string{"goauthentik.io"},
},
{
Name: "vendorVersion",
Values: []string{fmt.Sprintf("authentik LDAP Outpost Version %s (build %s)", constants.VERSION, constants.BUILD())},
},
},
},
},
Referrals: []string{}, Controls: []ldap.Control{}, ResultCode: ldap.LDAPResultSuccess,
}, nil
}

4
internal/outpost/ldap/search.go
View file

@ -38,7 +38,7 @@ func (ls *LDAPServer) Search(bindDN string, searchReq ldap.SearchRequest, conn n
SearchRequest: searchReq,
BindDN: bindDN,
conn: conn,
log: ls.log.WithField("bindDN", bindDN).WithField("requestId", rid).WithField("client", utils.GetIP(conn.RemoteAddr())).WithField("filter", searchReq.Filter).WithField("baseDN", searchReq.BaseDN),
log: ls.log.WithField("bindDN", bindDN).WithField("requestId", rid).WithField("scope", ldap.ScopeMap[searchReq.Scope]).WithField("client", utils.GetIP(conn.RemoteAddr())).WithField("filter", searchReq.Filter).WithField("baseDN", searchReq.BaseDN),
id: rid,
ctx: span.Context(),
}
@ -74,7 +74,7 @@ func (ls *LDAPServer) Search(bindDN string, searchReq ldap.SearchRequest, conn n
}
for _, provider := range ls.providers {
providerBase, _ := goldap.ParseDN(provider.BaseDN)
if providerBase.AncestorOf(bd) {
if providerBase.AncestorOf(bd) || providerBase.Equal(bd) {
return provider.Search(req)
}
}