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Bug 1257294 - Enhance ACIs to have more control over MODRDN operations
Summary: Enhance ACIs to have more control over MODRDN operations
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: 389-ds-base
Version: 7.0
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: rc
: ---
Assignee: Noriko Hosoi
QA Contact: Viktor Ashirov
URL:
Whiteboard:
Depends On:
Blocks: 1259466
TreeView+ depends on / blocked
 
Reported: 2015-08-26 17:25 UTC by Noriko Hosoi
Modified: 2020-09-13 21:30 UTC (History)
6 users (show)

Fixed In Version: 389-ds-base-1.3.4.0-1.el7
Doc Type: Bug Fix
Doc Text:
Released as 7.1.z. See Bug 1259466.
Clone Of:
: 1259466 (view as bug list)
Environment:
Last Closed: 2015-11-19 11:44:10 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github 389ds 389-ds-base issues 1595 0 None None None 2020-09-13 21:30:48 UTC
Github 389ds 389-ds-base issues 890 0 None None None 2020-09-13 20:48:34 UTC
Red Hat Product Errata RHBA-2015:2351 0 normal SHIPPED_LIVE 389-ds-base bug fix and enhancement update 2015-11-19 10:28:44 UTC

Description Noriko Hosoi 2015-08-26 17:25:38 UTC 
This bug is created as a clone of upstream ticket:
https://fedorahosted.org/389/ticket/47553

The current ACI implementation is somewhat limited with the way it handles MODRDN operations where newsuperior is used.  For example, consider the case where you want to move an entry as follows:

    uid=tuser,ou=ou1,dc=example,dc=com -> uid=tuser,ou=ou2,dc=example,dc=com

To allow someone to perform this operation, they need the "add" permission on "ou=ou2,dc=example,dc=com".  This permission would also allow one to add a brand new entry to "ou=ou2,dc=example,dc=com".  Certain use cases might want to allow a user to move an entry into a particular portion of the tree, but disallow adding a new entry.

We could extend the ACI code to have a new permission for move operations that is separate from the "add" permission.  This permission would mean that the target could be used as the destination for a move operation.

In addition, it would be nice to be able to control the source for a move operation in ACIs.  This would allow one to have an ACI that says "Allow user X to move entries from ou=1 to ou=2".  This would likely require a new ACI keyword to specify the source (or multiple sources) for the operation.  The destination could likely just use the ACI target.
Comment 1 Noriko Hosoi 2015-08-26 17:33:21 UTC 
Opening this bug for 7.1.z.

Note: this fix is already in 7.2 as a rebase.

The test cases are in upstream:
ticket47553_ger.py, ticket47553_rdn_write_test.py, ticket47553_single_aci_test.py
Comment 2 thierry bordaz 2015-08-27 16:13:20 UTC 
(In reply to Noriko Hosoi from comment #1)
> Opening this bug for 7.1.z.
> 
> Note: this fix is already in 7.2 as a rebase.
> 
> The test cases are in upstream:
> ticket47553_ger.py, ticket47553_rdn_write_test.py,
> ticket47553_single_aci_test.py

Not sure it exists an upstream test case for the specific patch that is missing.

Here is details to reproduce the problem addressed by this patch

Creates 2 containers A and B, also add an entry in A container

Create a user U (with password) and grant U the rights 'all' on A and B.

Bound as U, try MODRDN of then entry from A to B. Without the patch it should fail 'insufficient rights'. Adding 'moddn' right make it run successfully

WIth the patch, 'all' right is enough to make it successful
Comment 4 Simon Pichugin 2015-08-28 15:24:18 UTC 
Builed tested:
389-ds-base-1.3.4.0-14.el7.x86_64

Verification Steps:

1) Create two containers:

ldapmodify -h localhost -p 389 -D "cn=Directory Manager" -w Secret123
dn: ou=test_ou_1,dc=example,dc=com
changetype: add
objectclass: top
objectclass: organizationalunit
ou: test_ou_1
 
adding new entry "ou=test_ou_1,dc=example,dc=com"

dn: ou=test_ou_2,dc=example,dc=com
changetype: add
objectclass: top
objectclass: organizationalunit
ou: test_ou_2
 
adding new entry "ou=test_ou_2,dc=example,dc=com"

2) Create a user within "ou=test_ou_1,dc=example,dc=com":

ldapmodify -h localhost -p 389 -D "cn=Directory Manager" -w Secret123
dn: cn=test_user,ou=test_ou_1,dc=example,dc=com
changetype: add
objectclass: top
objectclass: person
cn: test_user
sn: test_user
 
adding new entry "cn=test_user,ou=test_ou_1,dc=example,dc=com"

3) Add an aci with a rule "cn=test_user is allowed all" within these containers: 

ldapmodify -h localhost -p 389 -D "cn=Directory Manager" -w Secret123
dn: ou=test_ou_1,dc=example,dc=com
changetype: modify
add: aci
aci: (targetattr="*")(version 3.0; acl "All rights on the ou=test_ou_1,dc=example,dc=com"; allow (all) userdn="ldap:///cn=test_user,ou=test_ou_1,dc=example,dc=com";)
 
modifying entry "ou=test_ou_1,dc=example,dc=com"
 
dn: ou=test_ou_2,dc=example,dc=com
changetype: modify
add: aci
aci: (targetattr="*")(version 3.0; acl "All rights on the ou=test_ou_2,dc=example,dc=com"; allow (all) userdn="ldap:///cn=test_user,ou=test_ou_1,dc=example,dc=com";)
 
modifying entry "ou=test_ou_2,dc=example,dc=com"

4) Run MODRDN operation on the "cn=test_user" and set "newsuperior" to the "ou=test_ou_2,dc=example,dc=com":

ldapmodify -h localhost -p 389 -D "cn=Directory Manager" -w Secret123
dn: cn=test_user,ou=test_ou_1,dc=example,dc=com
changetype: modrdn
newrdn: cn=test_user
deleteoldrdn: 1
newsuperior: ou=test_ou_2,dc=example,dc=com
 
modifying rdn of entry "cn=test_user,ou=test_ou_1,dc=example,dc=com"

5) Check everything is alright:

ldapsearch -h localhost -p 389 -D "cn=directory manager" -w Secret123 -b ou=test_ou_1,dc=example,dc=com "(objectclass=*)"
 
# test_ou_1, example.com
dn: ou=test_ou_1,dc=example,dc=com
objectClass: top
objectClass: organizationalunit
ou: test_ou_1
 
ldapsearch -h localhost -p 389 -D "cn=directory manager" -w Secret123 -b ou=test_ou_2,dc=example,dc=com "(objectclass=*)"
 
# test_ou_2, example.com
dn: ou=test_ou_2,dc=example,dc=com
objectClass: top
objectClass: organizationalunit
ou: test_ou_2
 
# test_user, test_ou_2, example.com
dn: cn=test_user,ou=test_ou_2,dc=example,dc=com
objectClass: top
objectClass: person
sn: test_user
cn: test_user

Marking as VERIFIED.
Comment 7 Simon Pichugin 2015-08-31 14:22:05 UTC 
There is copy-paste typo in the Comment 4

Under:
4) Run MODRDN operation on the "cn=test_user" and set "newsuperior" to the "ou=test_ou_2,dc=example,dc=com":

Instead of 
'ldapmodify -h localhost -p 389 -D "cn=Directory Manager" -w Secret123', 
should be
'ldapmodify -h localhost -p 389 -D "ou=test_ou_2,dc=example,dc=com" -w Secret123'
Comment 8 Simon Pichugin 2015-08-31 14:27:51 UTC 
There is copy-paste typo in the Comment 7

Instead of
'ldapmodify -h localhost -p 389 -D "ou=test_ou_2,dc=example,dc=com" -w Secret123'
should be
'ldapmodify -h localhost -p 389 -D "cn=test_user,ou=test_ou_1,dc=example,dc=com" -w Secret123'

Sorry for the mess.
Comment 15 errata-xmlrpc 2015-11-19 11:44:10 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2351.html
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