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* LDAP: Always initialize idmap objectJakub Hrozek2013-05-131-5/+3
| | | | | | | | https://fedorahosted.org/sssd/ticket/1922 Since we always store the SID now, we need to always initialize the ID mapping object in LDAP provider as well. Some users might want to configure the LDAP provider with ID mapping, not the AD provider itself.
* Enable the AD dynamic DNS updates by defaultJakub Hrozek2013-05-131-1/+1
| | | | https://fedorahosted.org/sssd/ticket/1915
* AD: read flat name and SID of the AD domainSumit Bose2013-05-073-0/+590
| | | | | | | | | | | | | | | For various features either the flat/short/NetBIOS domain name or the domain SID is needed. Since the responders already try to do a subdomain lookup when and known domain name is encountered I added a subdomain lookup to the AD provider which currently only reads the SID from the base DN and the NetBIOS name from a reply of a LDAP ping. The results are written to the cache to have them available even if SSSD is started in offline mode. Looking up trusted domains can be added later. Since all the needed responder code is already available from the corresponding work for the IPA provider this patch fixes https://fedorahosted.org/sssd/ticket/1468
* Only check UPN if enterprise principals are not usedJakub Hrozek2013-05-031-0/+5
| | | | | | | | If enterprise principals are enabled (which is the default in the AD provider), then the returned UPN might be slightly different from the one SSSD constructs before attempting the login. This patch makes SSSD only check if the principal is the same when the enterprise principals are disabled.
* AD: Always initialize ID mappingJakub Hrozek2013-05-031-5/+3
| | | | | | Because we now always store SIDs in the LDAP provider, we also need to always initialize the ID mapping context even if ID mapping itself is off.
* Active Directory dynamic DNS updatesJakub Hrozek2013-05-035-0/+306
| | | | | | | | https://fedorahosted.org/sssd/ticket/1504 Implements dynamic DNS updates for the AD provider. By default, the updates also update the reverse zone and run periodically every 24 hours.
* Split out the common code from timed DNS updatesJakub Hrozek2013-05-033-60/+133
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* dyndns: new option dyndns_authJakub Hrozek2013-05-036-21/+93
| | | | | | This options is mostly provided for future expansion. Currently it is undocumented and both IPA and AD dynamic DNS updates default to GSS-TSIG. Allowed values are GSS-TSIG and none.
* dyndns: new option dyndns_force_tcpJakub Hrozek2013-05-034-6/+25
| | | | | | | https://fedorahosted.org/sssd/ticket/1831 Adds a new option that can be used to force nsupdate to only use TCP to communicate with the DNS server.
* dyndns: New option dyndns_update_ptrJakub Hrozek2013-05-036-124/+432
| | | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/1832 While some servers, such as FreeIPA allow the PTR record to be synchronized when the forward record is updated, other servers, including Active Directory, require that the PTR record is synchronized manually. This patch adds a new option, dyndns_update_ptr that automatically generates appropriate DNS update message for updating the reverse zone. This option is off by default in the IPA provider. Also renames be_nsupdate_create_msg to be_nsupdate_create_fwd_msg
* dyndns: new option dyndns_refresh_intervalJakub Hrozek2013-05-036-5/+180
| | | | | | | This new options adds the possibility of updating the DNS entries periodically regardless if they have changed or not. This feature will be useful mainly in AD environments where the Windows clients periodically update their DNS records.
* Convert IPA-specific options to be back-end agnosticJakub Hrozek2013-05-037-28/+204
| | | | | | This patch introduces new options for dynamic DNS updates that are not specific to any back end. The current ipa dyndns options are still usable, just with a deprecation warning.
* Refactor dynamic DNS updatesJakub Hrozek2013-05-036-1164/+1568
| | | | | | | | | | | | Provides two new layers instead of the previous IPA specific layer: 1) dp_dyndns.c -- a very generic dyndns layer on the DP level. Its purpose it to make it possible for any back end to use dynamic DNS updates. 2) sdap_dyndns.c -- a wrapper around dp_dyndns.c that utilizes some LDAP-specific features like autodetecting the address from the LDAP connection. Also converts the dyndns code to new specific error codes.
* Add SID related lookups to IPA subdomainsSumit Bose2013-05-032-29/+213
| | | | | This patch add the functionality to handle lookup by SIDs and lookups for SIDs to the subdomain branch of the IPA ID provider.
* SUDO: IPA providerLukas Slebodnik2013-05-033-0/+84
| | | | | | This patch added auto configuration SUDO with ipa provider and compat tree. https://fedorahosted.org/sssd/ticket/1733
* fo_discover_servers_send: don't crash when backup_domain is NULLPavel Březina2013-05-031-0/+11
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* AD SRV plugin: check if site name is emptyPavel Březina2013-05-031-2/+4
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* Use struct to hold different types of request parametersSumit Bose2013-05-024-26/+48
| | | | | | | Currently the POSIX ID or the user name are passed in different parameters to some calls. The method will get cumbersome and error-prone if new parameters like, e.g. the SID, are added. This patch adds a union to hold the different kind of parameters.
* Remove unused attribute listSumit Bose2013-05-023-14/+1
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* Add two new request types to the data-provider interfaceSumit Bose2013-05-021-0/+2
| | | | | | | The patch adds two new request types for SID related requests. The first one is used if a SID is given and the corresponding object should be found. The second one can be used if the SID for an object is requested but it is not clear if the object is a user or a group.
* Add secid filter to responder-dp protocolSumit Bose2013-05-024-0/+23
| | | | | This patch add a new filter type to the data-provider interface which can be used for SID-based lookups.
* LDAP: always store SID if availableSumit Bose2013-05-022-33/+58
| | | | | | | Currently the string representation of a SID is only stored in the cache for debugging purpose if SID based ID-mapping is used. This patch unconditionally stores the SID if available to allow SID-to-name mappings from the cache.
* dns srv plugin: compare domain names case insensitivePavel Březina2013-05-021-1/+1
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* DNS sites support - add AD SRV pluginPavel Březina2013-05-025-5/+849
| | | | https://fedorahosted.org/sssd/ticket/1032
* sdap: add sdap_connect_host requestPavel Březina2013-05-022-0/+201
| | | | | Create connection to specified LDAP server without using any failover stuff.
* IPA SRV plugin: improve debuggingPavel Březina2013-05-021-0/+6
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* IPA SRV plugin: use fo_discover_servers requestPavel Březina2013-05-021-105/+20
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* add fo_discover_servers requestPavel Březina2013-05-022-1/+254
| | | | | | | | | This request takes discovery domain for primary servers and other domain for backup servers and returns list of primary and backup servers. If primary domain is not reachable, it returns servers found in backup domain as primary servers.
* Display the last grace warning, tooJakub Hrozek2013-05-022-3/+3
| | | | | | | Due to a comparison error, the last warning when an LDAP password was in its grace period was never displayed. https://fedorahosted.org/sssd/ticket/1890
* libsss_idmap: function to calculate rangeMichal Zidek2013-04-292-115/+54
| | | | | | | | Calculation of range for domains is moved from sdap_idmap code to sss_idmap code. Some refactoring have been done to allow this move. https://fedorahosted.org/sssd/ticket/1844
* selinux: if no domain matches, make the debug message louderJakub Hrozek2013-04-291-3/+3
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* Make IPA SELinux provider aware of subdomain usersSumit Bose2013-04-293-2/+41
| | | | Fixes https://fedorahosted.org/sssd/ticket/1892
* Allow usage of enterprise principalsSumit Bose2013-04-226-4/+20
| | | | | | | | | | | | | | | | | | | | | | | | Enterprise principals are currently most useful for the AD provider and hence enabled here by default while for the other Kerberos based authentication providers they are disabled by default. If additional UPN suffixes are configured for the AD domain the user principal stored in the AD LDAP server might not contain the real Kerberos realm of the AD domain but one of the additional suffixes which might be completely randomly chooses, e.g. are not related to any existing DNS domain. This make it hard for a client to figure out the right KDC to send requests to. To get around this enterprise principals (see http://tools.ietf.org/html/rfc6806 for details) were introduced. Basically a default realm is added to the principal so that the Kerberos client libraries at least know where to send the request to. It is not in the responsibility of the KDC to either handle the request itself, return a client referral if he thinks a different KDC can handle the request or return and error. This feature is also use to allow authentication in AD environments with cross forest trusts. Fixes https://fedorahosted.org/sssd/ticket/1842
* Convert the simple access check to new error codesJakub Hrozek2013-04-191-9/+17
| | | | | | | | https://fedorahosted.org/sssd/ticket/453 It makes sense to keep using the boolean for access granted/denied, but when the user/group is not found, the request would now return ERR_ACCOUNT_UNKNOWN
* LDAP: do not invalidate pointer with realloc while processing ghost usersJakub Hrozek2013-04-191-3/+13
| | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/1799 One peculiarity of the sysdb_attrs_get_el interface is that if the attribute does not exist, then the attrs array is reallocated and the element is created. But in case other pointers are already pointing into the array, the realloc might invalidate them. Such case was in the sdap_process_ghost_members function where if the group had no members, the "gh" pointer requested earlier might have been invalidated by the realloc in order to create the member element.
* Fix simple access group control in case-insensitive domainsJakub Hrozek2013-04-151-16/+9
| | | | | | | | | https://fedorahosted.org/sssd/ticket/1713 In the simple access provider, we need to only canonicalize user names when comparing with values in the ACL, not when searching the cache. The sysdb searches might do a base search with a DN constructed with the username which fails if the username is lower case.
* Fix krbcc dir creation issue with MIT krb5 1.11Lukas Slebodnik2013-04-122-11/+61
| | | | | | | | | | | | | | | | In krb5-libs >= 1.11, function krb5_cc_resolve verify if credential cache dir exists. If it doesn't exist, than it will be created with process permissions and not user permissions. Function cc_residual_is_used has already checked for non existing directory, but it wasn't considered to be a failure and therefore next call of krb5_init_context will create directory with wrong permissions. Now if directory doesn't exist, it will be handled like there was not ccache attribute in sysdb cache. We also check if "primary" file in ccache directory has right permissions. But we ignore missing "primary" file. https://fedorahosted.org/sssd/ticket/1822
* DNS sites support - add IPA SRV pluginPavel Březina2013-04-105-5/+369
| | | | https://fedorahosted.org/sssd/ticket/1032
* DNS sites support - use SRV DNS lookup plugin in all providersPavel Březina2013-04-103-0/+29
| | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/1032 We set a plugin during an initialization of ID provider, which is an authoritative provider for a plugin choice. The plugin is set only once. When other provider is initalized (e.g. id = IPA, sudo = LDAP), we do not overwrite the plugin. Since sssm_*_id_init() is called from all module constructors, this patch relies on the fact, that ID provider is initialized before all other providers.
* DNS sites support - replace SRV lookup code with a plugin callPavel Březina2013-04-101-258/+73
| | | | | | | | https://fedorahosted.org/sssd/ticket/1032 Removes hard coded SRV lookup code with a plugin call. This patch breaks SRV lookups as there is currently no plugin in use. It is fixed in next patch.
* fail over - add function to insert multiple servers to the listPavel Březina2013-04-101-10/+101
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* DNS sites support - SRV DNS lookup pluginPavel Březina2013-04-104-0/+521
| | | | | | | | | | | https://fedorahosted.org/sssd/ticket/1032 This plugin mimics the current behaviour. If discovery_domain is set it is the only domain that is tried. If discovery_domain is not set, we try to autodetect domain first and if that fails or SRV lookup on this domain fails, we fallback to SSSD domain name.
* DNS sites support - SRV lookup plugin interfacePavel Březina2013-04-105-0/+135
| | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/1032 Introduces two new error codes: - ERR_SRV_NOT_FOUND - ERR_SRV_LOOKUP_ERROR Since id_provider is authoritative in case of SRV plugin choise, ability to override the selected pluging during runtime is not desirable. We rely on the fact that id_provider is initialized before all other providers, thus the plugin is set correctly.
* Allow using flatname for subdomain home dir templateJakub Hrozek2013-04-101-1/+2
| | | | https://fedorahosted.org/sssd/ticket/1609
* LDAP: Always fail if a map can't be foundJakub Hrozek2013-04-091-4/+2
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* Check for the correct variablesJakub Hrozek2013-04-051-2/+2
| | | | https://fedorahosted.org/sssd/ticket/1864
* Further restrict become_user drop of privileges.Simo Sorce2013-04-051-15/+18
| | | | | | | | | | | | | | | | We never need to regain root after we call become_user() so tighten up even further our privilege drop. Add a setgroups() call to remove all secondary groups root may have been given for whateve reason. Then use the setres[ug]id function to also drop the saved uid/gid so the process cannot regain back root id. Capabilities are also implicitly dropped here, no more CAP_SETUID so this is a Point of No Return, once changed to non-root the process can't get back. Remove redefinition of sys/types.h and unistd.h, they are already defined in util.h and they need to be included after _GNU_SOURCE/_BSD_SOURCE is defined or the prototypes for setres[ug]id will not be found. Add grp.h after util.h for the same reason.
* dyndns: Fix initializing sdap_id_ctxJakub Hrozek2013-04-041-1/+1
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* LDAP: Fix value initialization warningsLukas Slebodnik2013-04-042-2/+2
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* Centralize resolv_init, remove resolv context listJakub Hrozek2013-04-033-25/+4
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