On 2025/04/16 4:38 PM, Johnnie W Adams via Exim-users wrote:
10:27:42 160885 ├considering: ${lookup ldapdn{user="CN=outer_account,OU=SVCAccounts,OU=ITS,OU=Organizations,DC=ad,DC=example,DC=com" pass="outer_password" ldaps:// auth.example.com/OU=Service%20Accounts,DC=ad,DC=example,DC=com?dn?sub?(uid=${quote_ldap_dn:$auth1})}{0}{1}} pass=${quote:$auth2} ldaps://auth.example.com/ } } } }
doing a ${lookup....
10:27:42 160885 ├considering: ${quote_ldap_dn:$auth1})}{0}{1}} pass=${quote:$auth2} ldaps://auth.example.com/ } } } } 10:27:42 160885 ╎╭considering: $auth1})}{0}{1}} pass=${quote:$auth2} ldaps://auth.example.com/ } } } } 10:27:42 160885 ╎├──────value: inner_account 10:27:42 160885 ╎ ╰──(tainted)
using $auth1 as data...
10:27:42 160885 database lookup required for user="CN=outer_account,OU=SVCAccounts,OU=ITS,OU=Organizations,DC=ad,DC=example,DC=com" pass="outer_password" ldaps:// auth.example.com/OU=Service%20Accounts,DC=ad,DC=example,DC=com?dn?sub?(uid=inner_account) 10:27:42 160885 (tainted, quoted:ldap)
10:27:42 160885 ldap_parse_result yielded 0: Success
it didn't throw an error
10:27:42 160885 LDAP search: no results
didn't return any data though
10:27:42 160885 lookup failed
and that counts as a fail
10:27:42 160885 ╰───skipping: result is not used
so we skip the "success" result expansion
10:27:42 160885 ╭considering: 1}} pass=${quote:$auth2} ldaps:// auth.example.com/ } } } } 10:27:42 160885 ├───────text: 1 10:27:42 160885 ├considering: }} pass=${quote:$auth2} ldaps:// auth.example.com/ } } } } 10:27:42 160885 ├──expanding: 1 10:27:42 160885 ╰─────result: 1 10:27:42 160885 ├───item-res: 1
and take the "fail" expansion; a constant string "1" here
10:27:42 160885 re-binding with user=1 password=inner_password
we move on to the "ldapauth" operation. That "1" you arranged to return from the inner lookup is used here, for "user=1". This feels bogus, but results from your coding of the config.
10:27:42 160885 Invalid credentials: ldapauth returns FAIL
... and it fails. Is this what you wanted? -- Cheers, Jeremy -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/