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When looking through the topology of a trusted forest, we should support
all types of forest trust records. Since Samba Python bindings parse the
data into a typed structure, a type of the record has to be taken into
account or there will be type mismatch when accessing elements of the
union:
typedef [switch_type(lsa_ForestTrustRecordType)] union {
[case(LSA_FOREST_TRUST_TOP_LEVEL_NAME)] lsa_StringLarge top_level_name;
[case(LSA_FOREST_TRUST_TOP_LEVEL_NAME_EX)] lsa_StringLarge top_level_name_ex;
[case(LSA_FOREST_TRUST_DOMAIN_INFO)] lsa_ForestTrustDomainInfo domain_info;
[default] lsa_ForestTrustBinaryData data;
} lsa_ForestTrustData;
typedef struct {
lsa_ForestTrustRecordFlags flags;
lsa_ForestTrustRecordType type;
NTTIME_hyper time;
[switch_is(type)] lsa_ForestTrustData forest_trust_data;
} lsa_ForestTrustRecord;
typedef [public] struct {
[range(0,4000)] uint32 count;
[size_is(count)] lsa_ForestTrustRecord **entries;
} lsa_ForestTrustInformation;
Each entry in the lsa_ForestTrustInformation has forest_trust_data
member but its content depends on the value of a type member
(forest_trust_data is a union of all possible structures).
Previously we assumed only TLN or TLN exclusion record which were
of the same type (lsa_StringLarge). Access to forest_trust_data.string
fails when forest_trust_data's type is lsa_ForestTrustDomainInfo as it
has no string member.
Fix the code by properly accessing the dns_domain_name from the
lsa_ForestTrustDomainInfo structure.
Fixes: https://pagure.io/freeipa/issue/7828
Reviewed-By: Christian Heimes <cheimes@redhat.com>
FreeIPA Server
FreeIPA allows Linux administrators to centrally manage identity, authentication and access control aspects of Linux and UNIX systems by providing simple to install and use command line and web based management tools.
FreeIPA is built on top of well known Open Source components and standard protocols with a very strong focus on ease of management and automation of installation and configuration tasks.
FreeIPA can seamlessly integrate into an Active Directory environment via cross-realm Kerberos trust or user synchronization.
Benefits
FreeIPA:
- Allows all your users to access all the machines with the same credentials and security settings
- Allows users to access personal files transparently from any machine in an authenticated and secure way
- Uses an advanced grouping mechanism to restrict network access to services and files only to specific users
- Allows central management of security mechanisms like passwords, SSH Public Keys, SUDO rules, Keytabs, Access Control Rules
- Enables delegation of selected administrative tasks to other power users
- Integrates into Active Directory environments
Components
The FreeIPA project provides unified installation and management tools for the following components:
- LDAP Server - based on the 389 project
- KDC - based on MIT Kerberos implementation
- PKI based on Dogtag project
- Samba libraries for Active Directory integration
- DNS Server based on BIND and the Bind-DynDB-LDAP plugin
Project Website
Releases, announcements and other information can be found on the IPA server project page at http://www.freeipa.org/ .
Documentation
The most up-to-date documentation can be found at http://freeipa.org/page/Documentation .
Quick Start
To get started quickly, start here: http://www.freeipa.org/page/Quick_Start_Guide
For developers
- Building FreeIPA from source
- http://www.freeipa.org/page/Build
- See the BUILD.txt file in the source root directory
Licensing
Please see the file called COPYING.
Contacts
- If you want to be informed about new code releases, bug fixes, security fixes, general news and information about the IPA server subscribe to the freeipa-announce mailing list at https://www.redhat.com/mailman/listinfo/freeipa-interest/ .
- If you have a bug report please submit it at: https://pagure.io/freeipa/issues
- If you want to participate in actively developing IPA please subscribe to the freeipa-devel mailing list at https://www.redhat.com/mailman/listinfo/freeipa-devel/ or join us in IRC at irc://irc.freenode.net/freeipa