listLdapGroupMemberships() Failed group searchldap: invalid characters for escape in filter

[rmie]

Description

Our LDAP group memberships are based on DN of users, and one of the fields contains a comma separated value.

e. .g. members:
CN=givenName\, sn,OU=,DC=,DC=****
...

Mapping Organization Teams to LDAP groups doesn't work in this case and we find log messages like:
2022/06/28 07:08:51 ...dap/source_search.go:215:listLdapGroupMemberships() [E] [62baa8f9-2] Failed group search using filter[(member=CN=givenName\, sn,OU=,DC=,DC=***)]: LDAP Result Code 201 "Filter Compile Error": ldap: invalid characters for escape in filter: encoding/hex: invalid byte: U+002C ','

The issue seems to similar to: #9169 (comment)
but the proposed solution, using "\5c," instead of "," can't be applied in this situation.

Gitea Version

1.17.0+rc1 built with GNU Make 4.3, go1.18.3 : bindata, timetzdata, sqlite, sqlite_unlock_notify

Can you reproduce the bug on the Gitea demo site?

No

Log Gist

2022/06/28 07:08:51 ...dap/source_search.go:215:listLdapGroupMemberships() [E] [62baa8f9-2] Failed group search using filter[(member=CN=givenName\, sn,OU=,DC=,DC=***)]: LDAP Result Code 201 "Filter Compile Error": ldap: invalid characters for escape in filter: encoding/hex: invalid byte: U+002C ','

Screenshots

No response

Git Version

n/a

Operating System

docker on linux

How are you running Gitea?

from dockerhub: gitea/gitea:1.17.0-rc1 (0ebbe9daf27d)

Database

SQLite

[gd197]

Same as well for us #20181
I wonder whether issue #20120 could be also related

[rmie]

I agree, #20181 sounds like the same issue.

Sorry for opening a duplicate.