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Support comma-escaped LDAP DN values

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This commit is contained in:
sauls8t 2019-10-30 13:57:07 +00:00
parent c7e71173ea
commit 811e239baf
2 changed files with 49 additions and 11 deletions
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21
domain/auth/ldap/ldap.go
View file

@ -210,7 +210,7 @@ func executeGroupFilter(c lm.LDAPConfig) (u []lm.LDAPUser, err error) {
// DN values can contain escaped commas like in two ways:
//
// \,
// \\5c,
// \5c,
//
// Relevant notes:
@ -223,21 +223,20 @@ func executeGroupFilter(c lm.LDAPConfig) (u []lm.LDAPUser, err error) {
//
// When we split on comma, here is our logic:
//
// 1. We replace any escaped comma values with a special character sequence, in this case !?!
// 2. We string.split on comma as per usual.
// 3. We put back the original escaped comma values.
// 1. Replace any escaped comma values with a special character sequence.
// 2. Split string on comma as per usual.
// 3. Put back the original escaped comma values.
func splitDN(dn string) []string {
var r string
r = strings.ReplaceAll(dn, "\\5c,", "!!1!!")
r = strings.ReplaceAll(dn, "\\,", "!!2!!")
dn = strings.ReplaceAll(dn, `\5c,`, "!!1!!")
dn = strings.ReplaceAll(dn, `\,`, "!!2!!")
sp := strings.Split(r, ",")
sp := strings.Split(dn, ",")
for i := range sp {
val := sp[i]
r2 := strings.ReplaceAll(val, "!!1!!", "\\5c,")
r2 = strings.ReplaceAll(val, "!!2!!", "\\,")
sp[i] = r2
val = strings.ReplaceAll(val, "!!1!!", `\5c,`)
val = strings.ReplaceAll(val, "!!2!!", `\,`)
sp[i] = val
}
return sp

39
domain/auth/ldap/ldap_test.go Normal file
View file

@ -0,0 +1,39 @@
// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
//
// This software (Documize Community Edition) is licensed under
// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
//
// You can operate outside the AGPL restrictions by purchasing
// Documize Enterprise Edition and obtaining a commercial license
// by contacting <sales@documize.com>.
//
// https://documize.com
package ldap
import (
"testing"
)
var testSplitData = []struct {
in string
count int
}{
{`CN=Surname\,Name,OU=Something,OU=AD-Example,OU=Examaple,DC=example,DC=example,DC=com`, 7},
{`CN=Surname\, Name,OU=Something,OU=AD-Example,OU=Examaple,DC=example,DC=example,DC=com`, 7},
{`CN=Surname\5c, Name,OU=Some\,thing,OU=AD-Example,OU=Examaple,DC=example,DC=example,DC=com`, 7},
{`CN=Surname\5c,Name,OU=Something,OU=AD-Example,OU=Examaple,DC=example,DC=example,DC=com`, 7},
{`CN=Given,OU=Something,OU=AD-Example,OU=Examaple,DC=example,DC=example,DC=com`, 7},
{"cn=Hubert\\, J. Farnsworth,ou=people,dc=planetexpress,dc=com", 4},
}
func Test_SplitDN(t *testing.T) {
for _, td := range testSplitData {
sp := splitDN(td.in)
if len(sp) != td.count {
t.Errorf("Did not receive %d split entries", td.count)
return
}
t.Logf("%d entries: %v", len(sp), sp)
}
}