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* Handle exceptions when establishing trustsAlexander Bokovoy2012-08-031-15/+60
| | | | | | | | | | | | | | | | | | | | | | | | Translate exceptions produced by DCERPC bindings when establishing trusts. There are two types of errors that may be produced by DCERPC bindings: - RuntimeError with a text (RuntimeError('NT_STATUS_OBJECT_NAME_NOT_FOUND') - RuntimeError with a numeric code and 'friendly' message Error codes could have two prefixes: - NT error codes, start with NT_STATUS_ prefix - Windows error codes, start with WERR_ prefix Full list of errors is available in Samba source code: libcli/util/ntstatus.h: NT_STATUS error codes libcli/util/werror.h: Windows error codes Majority of errors returned when dealing with trusts are of NT_STATUS type, these also include all typical POSIX errors mapped to corresponding NT errors. Unfortunately, in the textual RuntimeError case very little can be done to get better clarification of the error. More error paths will need to be added as they will be discovered -- DCERPC error messaging is complex. https://fedorahosted.org/freeipa/ticket/2868
* Avoid redundant info message during RPM updateMartin Kosek2012-08-021-3/+8
| | | | | | | | | | | | | | A change to ipa-ldap-updater (and thus an RPM update %post scriptlet) avoiding redundat "IPA is not configured" message in stderr introdocued in c20d4c71b87365b3b8d9c53418a79f992e68cd00 was reverted in another patch (b5c1ce88a4a3b35adb3b22bc68fb10b49322641a). Return the change back to avoid this message during every RPM update when IPA is not configured. admintool framework was also fixed to avoid print an empty line when an exception without an error message is raised. https://fedorahosted.org/freeipa/ticket/2892
* Ensure ipa-adtrust-install is run with Kerberos ticket for admin userAlexander Bokovoy2012-07-316-55/+89
| | | | | | | | | | | | When setting up AD trusts support, ipa-adtrust-install utility needs to be run as: - root, for performing Samba configuration and using LDAPI/autobind - kinit-ed IPA admin user, to ensure proper ACIs are granted to fetch keytab As result, we can get rid of Directory Manager credentials in ipa-adtrust-install https://fedorahosted.org/freeipa/ticket/2815
* Use certmonger to renew CA subsystem certificatesRob Crittenden2012-07-301-2/+145
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Certificate renewal can be done only one one CA as the certificates need to be shared amongst them. certmonger has been trained to communicate directly with dogtag to perform the renewals. The initial CA installation is the defacto certificate renewal master. A copy of the certificate is stored in the IPA LDAP tree in cn=ca_renewal,cn=ipa,cn=etc,$SUFFIX, the rdn being the nickname of the certificate, when a certificate is renewed. Only the most current certificate is stored. It is valid to have no certificates there, it means that no renewals have taken place. The clones are configured with a new certmonger CA type that polls this location in the IPA tree looking for an updated certificate. If one is not found then certmonger is put into the CA_WORKING state and will poll every 8 hours until an updated certificate is available. The RA agent certificate, ipaCert in /etc/httpd/alias, is a special case. When this certificate is updated we also need to update its entry in the dogtag tree, adding the updated certificate and telling dogtag which certificate to use. This is the certificate that lets IPA issue certificates. On upgrades we check to see if the certificate tracking is already in place. If not then we need to determine if this is the master that will do the renewals or not. This decision is made based on whether it was the first master installed. It is concievable that this master is no longer available meaning that none are actually tracking renewal. We will need to document this. https://fedorahosted.org/freeipa/ticket/2803
* Rework task naming in LDAP updates to avoid conflicting names in certain casesAlexander Bokovoy2012-07-241-9/+9
| | | | | | | | | | | | | | | | | There are two problems in task naming in LDAP updates: 1. Randomness may be scarce in virtual machines 2. Random number is added to the time value rounded to a second The second issue leads to values that may repeat themselves as time only grows and random number is non-negative as well, so t2+r2 can be equal to t1+t2 generated earlier. Since task name is a DN, there is no strict requirement to use an integer value. Instead, we generate an UUID and use its 60-bit time, 14-bit sequential number, and attribute name. https://fedorahosted.org/freeipa/ticket/2942
* Framework for admin/install tools, with ipa-ldap-updaterPetr Viktorin2012-07-223-52/+231
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently, FreeIPA's install/admin scripts are long pieces of code that aren't very reusable, importable, or testable. They have been extended over time with features such as logging and error handling, but since each tool was extended individually, there is much inconsistency and code duplication. This patch starts a framework which the admin tools can use, and converts ipa-ldap-updater to use the framework. Common tasks the tools do -- option parsing, validation, logging setup, error handling -- are represented as methods. Individual tools can extend, override or reuse the defaults as they see fit. The ipa-ldap-updater has two modes (normal and --upgrade) that don't share much functionality. They are represented by separate classes. Option parsing, and selecting which class to run, happens before they're instantiated. All code is moved to importable modules to aid future testing. The only thing that remains in the ipa-ldap-updater script is a two-line call to the library. First part of the work for: https://fedorahosted.org/freeipa/ticket/2652
* Don't hardcode serial_autoincrement to True.Rob Crittenden2012-07-171-1/+1
| | | | https://fedorahosted.org/freeipa/ticket/2554
* Handle various forms of admin accounts when establishing trustsAlexander Bokovoy2012-07-181-0/+5
| | | | | | | | | | | | | | | | | | | | | | Realm administrator account may be specified using different form: Administrator, DOM\Administrator, Administrator@DOMAIN This patch introduces handling of the second two forms: - In DOM\Administrator only user name is used, short domain name is then taken from a discovered record from the AD DC - In Administrator@DOMAIN first DOMAIN is verified to be the same as the domain we are establishing trust to, and then user name is taken, together with short domain name taken from a discovered record from the AD DC Note that we do not support using to-be-trusted domain's trusted domains' accounts to establish trust as there is basically zero chance to verify that things will work with them. In addition, in order to establish trust one needs to belong to Enterprise Admins group in AD or have specially delegated permissions. These permissions are unlikely delegated to the ones in already trusted domain. https://fedorahosted.org/freeipa/ticket/2864
* Warn user if an ID range with incorrect size was createdMartin Kosek2012-07-131-6/+53
| | | | | | | | | | | | | IPA 3.0 introduced range ID objects in replicated space which specify a range of IDs assigned via DNA plugin. ipa-ldap-updater generates the default ID range which should correspond with IDs assigned to IPA users. However, since correct range size is not known, we should at least warn that a range with invalid size was created so that user can amend it. https://fedorahosted.org/freeipa/ticket/2892
* Enable SOA serial autoincrementMartin Kosek2012-07-133-39/+45
| | | | | | | | | | | | | | | | | | SOA serial autoincrement is a requirement for major DNS features, e.g. zone transfers or DNSSEC. Enable it by default in named.conf both for new and upgraded installations. Name of the bind-dyndb-ldap option is "serial_autoincrement". From now on, idnsSOAserial attribute also has to be put to replication agreement exclude list as serial will be incremented on each DNS server separately and won't be shared. Exclude list has to be updated both for new replication agreements and the current ones. Minimum number of connections for bind-dyndb-ldap has been rised to 4 connections, the setting will be updated during package upgrade. https://fedorahosted.org/freeipa/ticket/2554
* Improve address family handling in socketsMartin Kosek2012-07-132-32/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many functions use low-level socket interface for connection or various checks. However, most of the time we don't respect automatic address family detection but rather try to force our values. This may cause either redundat connection tries when an address family is disabled on system tries or even crashes when socket exceptions are not properly caught. Instead of forcing address families to socket, rather use getaddrinfo interface to automatically retrieve a list of all relevant address families and other connection settings when connecting to remote/local machine or binding to a local port. Now, we will also fill correctly all connection parameters like flowinfo and scopeid for IPv6 connections which will for example prevent issues with scoped IPv6 addresses. bind_port_responder function was changed to at first try to bind to IPv6 wildcard address before IPv4 as IPv6 socket is able to accept both IPv4 and IPv6 connections (unlike IPv4 socket). nsslib connection was refactored to use nss.io.AddrInfo class to get all the available connections. Socket is now not created by default in NSSConnection class initializer, but rather when the actual connection is being made, becase we do not an address family where connection is successful. https://fedorahosted.org/freeipa/ticket/2913 https://fedorahosted.org/freeipa/ticket/2695
* Centralize timeout for waiting for servers to start.Rob Crittenden2012-07-029-67/+25
| | | | | | | | | | | | | All service start/restart currently go through ipapython/platform so move the "wait for service to start" code there as well. A dictionary of known services and ports to wait on is defined in base.py This is referenced by the platforms by instance name to determine what to wait for. For the case of dirsrv if we get that as a plain name (no specific instance) it is assumed to be the main IPA service. https://fedorahosted.org/freeipa/ticket/2375 https://fedorahosted.org/freeipa/ticket/2610
* Use DN objects instead of strings in adtrustinstanceSumit Bose2012-07-011-16/+25
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* Create default range entry after upgradeMartin Kosek2012-07-021-0/+74
| | | | | | | | | | Create default range both on new install and on upgrades. Also make sure that all range object classes are present for upgraded machines. Default range LDIF entry for new install was fixed so that new installation does not crash. https://fedorahosted.org/freeipa/ticket/2891
* Add range check preop pluginSumit Bose2012-06-291-0/+4
| | | | | | | To make sure that ID ranges do not overlap this plugin checks new additions and changes for conflicts with existing ranges. https://fedorahosted.org/freeipa/ticket/2185
* Set RID bases for local domain during ipa-adtrust-installSumit Bose2012-06-291-1/+87
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* Add objects for initial ID rangeSumit Bose2012-06-291-0/+1
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* Add support for external group membersAlexander Bokovoy2012-06-281-8/+85
| | | | | | | | | When using ipaExternalGroup/ipaExternalMember attributes it is possible to add group members which don't exist in IPA database. This is primarily is required for AD trusts support and therefore validation is accepting only secure identifier (SID) format. https://fedorahosted.org/freeipa/ticket/2664
* Per-domain DNS record permissionsMartin Kosek2012-06-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IPA implements read/write permissions for DNS record or zones. Provided set of permissions and privileges can, however, only grant access to the whole DNS tree, which may not be appropriate. Administrators may miss more fine-grained permissions allowing them to delegate access per-zone. Create a new IPA auxiliary objectclass ipaDNSZone allowing a managedBy attribute for a DNS zone. This attribute will hold a group DN (in this case a permission) which allows its members to read or write in a zone. Member permissions in given zone will only have 2 limitations: 1) Members cannot delete the zone 2) Members cannot edit managedBy attribute Current DNS deny ACI used to enforce read access is removed so that DNS privileges are based on allow ACIs only, which is much more flexible approach as deny ACIs have always precedence and limit other extensions. Per-zone access is allowed in 3 generic ACIs placed in cn=dns,$SUFFIX so that no special ACIs has to be added to DNS zones itselves. 2 new commands have been added which allows an administrator to create the system permission allowing the per-zone access and fill a zone's managedBy attribute: * dnszone-add-permission: Add per-zone permission * dnszone-remove-permission: Remove per-zone permission https://fedorahosted.org/freeipa/ticket/2511
* Add external domain extop DS pluginSumit Bose2012-06-282-6/+20
| | | | | | This extop can be used by clients of the IPA domain, e.g. sssd, to retrieve data from trusted external domains. It can be used e.g. to map Windows SIDs to user or groups names and back.
* Add sidgen postop and taskSumit Bose2012-06-281-0/+8
| | | | | | | | A postop plugin is added to create the SID for new created users and groups. A directory server task allows to set the SID for existing users and groups. Fixes https://fedorahosted.org/freeipa/ticket/2825
* Typo fixesPetr Viktorin2012-06-251-4/+4
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* restart dirsrv as part of ipa-adtrust-installAlexander Bokovoy2012-06-221-4/+4
| | | | | | | | | We should restart Directory Server when performing AD trusts configuration to enable new CLDAP plugin and force KDC to notice MS PAC is now available. Previously we only restarted KDC but if dirsrv is restarted, KDC will notice its socket disappeared and will refresh itself http://fedorahosted.org/freeipa/ticket/2862
* Store session cookie in ccache for cli usersRob Crittenden2012-06-142-67/+166
| | | | | | | | | Try to use the URI /ipa/session/xml if there is a key in the kernel keyring. If there is no cookie or it turns out to be invalid (expired, whatever) then use the standard URI /ipa/xml. This in turn will create a session that the user can then use later. https://fedorahosted.org/freeipa/ticket/2331
* Password change capability for form-based authMartin Kosek2012-06-112-2/+109
| | | | | | | | | | | | | | | | | | | | | | IPA server web form-based authentication allows logins for users which for some reason cannot use Kerberos authentication. However, when a password for such users expires, they are unable change the password via web interface. This patch adds a new WSGI script attached to URL /ipa/session/change_password which can be accessed without authentication and which provides password change capability for web services. The actual password change in the script is processed by LDAP password change command. Password result is passed both in the resulting HTML page, but also in HTTP headers for easier parsing in web services: X-IPA-Pwchange-Result: {ok, invalid-password, policy-error, error} (optional) X-IPA-Pwchange-Policy-Error: $policy_error_text https://fedorahosted.org/freeipa/ticket/2276
* Only set sebools when necessaryMartin Kosek2012-06-101-15/+46
| | | | | | | | | setsebool -P was run for every package upgrade or server installation even though the sebools were already set to the new value. Only set sebools which are different from current system values. This speeds up ipa-upgradeconfig or package update by 150 seconds.
* Enable psearch on upgradesMartin Kosek2012-06-101-7/+87
| | | | | | | | | | | | | From IPA 3.0, persistent search is a preferred mechanism for new DNS zone detection and is also needed for other features (DNSSEC, SOA serial updates). Enable psearch and make sure connections attribute is right. This step is done just once for a case when user switched the persistent search back to disabled on purpose. ipa-upgradeconfig was updated to accept --debug option in case somebody would want to see debug messages.
* Enable persistent search by defaultMartin Kosek2012-06-101-4/+4
| | | | | | | | | | | From IPA version 3.0, the persistent search is a preferred mechanism to for DNS zone list management. It will be also a requirement for several bind-dyndb-ldap features, like SOA serial automatic updates or DNSSEC. Make this mechanism default in ipa-server-install and ipa-dns-istall. https://fedorahosted.org/freeipa/ticket/2524
* Add sysupgrade state fileMartin Kosek2012-06-101-0/+47
| | | | | | | | | | | | | When IPA package is being updated, some of the configuration files are also updated. Sometimes it may be useful to store upgrade meta information for next package upgrades. For example an information that some config file was already updated and we don't want to update it again if user purposedly reverted the change. This patch adds a new StateFile in /var/lib/ipa/sysupgrade which is capable of holding this information. New sysupgrade.py module was created to provide simple API to access the upgrade state information.
* Fix update plugin orderPetr Viktorin2012-06-101-15/+5
| | | | | | | | | Sort a filtered list in the update plugin ordering method. Unlike the previous algorithm, this always gives a correct order. It should also be faster and more readable. https://fedorahosted.org/freeipa/ticket/2820
* Only allow root to run update pluginsPetr Viktorin2012-06-071-3/+0
| | | | | | | | | | | | Several plugins need restarting the DS (or they currently do an external bind). Rather than disabling plugins (possibly partially), refuse to run them when run as an unprivileged user. This means running ipa-ldap-updater as non-root requires specifying a list of files, and omiting the --upgrade and --plugins options. https://fedorahosted.org/freeipa/ticket/2621
* Set samba_portmapper SELinux boolean during ipa-adtrust-installsbose2012-06-071-0/+51
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* get_fqdn() moved to ipaserver.installutilsAlexander Bokovoy2012-06-071-2/+2
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* Add trust-related ACIsAlexander Bokovoy2012-06-071-68/+22
| | | | | | | | | A high-level description of the design and ACIs for trusts is available at https://www.redhat.com/archives/freeipa-devel/2011-December/msg00224.html and https://www.redhat.com/archives/freeipa-devel/2011-December/msg00248.html Ticket #1731
* Restart KDC after installing trust support to allow MS PAC generationAlexander Bokovoy2012-06-071-7/+16
| | | | | | | | Also make sure all exceptions are captured when creating CIFS service record. The one we care about is duplicate entry and we do nothing in that case anyway. Also make uniform use of action descriptors.
* Perform case-insensitive searches for principals on TGS requestsAlexander Bokovoy2012-06-071-0/+1
| | | | | | | | | | We want to always resolve TGS requests even if the user mistakenly sends a request for a service ticket where the fqdn part contain upper case letters. The actual implementation follows hints set by KDC. When AP_REQ is done, KDC sets KRB5_FLAG_ALIAS_OK and we obey it when looking for principals on TGS requests. https://fedorahosted.org/freeipa/ticket/1577
* Use fully qualified PDC name when contacting for extended DN informationAlexander Bokovoy2012-06-071-1/+1
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* Add trust management for Active Directory trustsAlexander Bokovoy2012-06-072-5/+333
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* Use dedicated keytab for SambaAlexander Bokovoy2012-06-071-11/+16
| | | | | | | | Samba just needs the cifs/ key on the ipa server. Configure samba to use a different keytab file so that we do not risk samba commands (net, or similar) to mess up the system keytab. https://fedorahosted.org/freeipa/ticket/2168
* Add separate attribute to store trusted domain SIDAlexander Bokovoy2012-06-071-1/+5
| | | | | | | | | | | We need two attributes in the ipaNTTrustedDomain objectclass to store different kind of SID. Currently ipaNTSecurityIdentifier is used to store the Domain-SID of the trusted domain. A second attribute is needed to store the SID for the trusted domain user. Since it cannot be derived safely from other values and since it does not make sense to create a separate object for the user a new attribute is needed. https://fedorahosted.org/freeipa/ticket/2191
* Fill new DNS zone update policy by defaultMartin Kosek2012-06-052-5/+6
| | | | | | | | | | | | For security reasons, dynamic updates are not enabled for new DNS zones. In order to enable the dynamic zone securely, user needs to allow dynamic updates and create a zone update policy. The policy is not easy to construct for regular users, we should rather fill it by default and let users just switch the policy on or off. https://fedorahosted.org/freeipa/ticket/2441
* Move install script error handling to a common functionPetr Viktorin2012-05-312-2/+133
| | | | | | | | | | | | | | All of our install/admin scripts had a try/except block calling the main function and handling common exceptions. These were copy-pasted from each other and modified to various levels of sophistication. This refactors them out of installers to a single function, which includes a final pass/fail message for all of the scripts. Non-install scripts that set up the same log handler levels for stderr and log file are not changed, as it's not possible to log to only the logfile without changing the logger configuration. https://fedorahosted.org/freeipa/ticket/2071
* Replace DNS client based on acutil with python-dnsMartin Kosek2012-05-241-90/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | IPA client and server tool set used authconfig acutil module to for client DNS operations. This is not optimal DNS interface for several reasons: - does not provide native Python object oriented interface but but rather C-like interface based on functions and structures which is not easy to use and extend - acutil is not meant to be used by third parties besides authconfig and thus can break without notice Replace the acutil with python-dns package which has a feature rich interface for dealing with all different aspects of DNS including DNSSEC. The main target of this patch is to replace all uses of acutil DNS library with a use python-dns. In most cases, even though the larger parts of the code are changed, the actual functionality is changed only in the following cases: - redundant DNS checks were removed from verify_fqdn function in installutils to make the whole DNS check simpler and less error-prone. Logging was improves for the remaining checks - improved logging for ipa-client-install DNS discovery https://fedorahosted.org/freeipa/ticket/2730 https://fedorahosted.org/freeipa/ticket/1837
* Retry retrieving ldap principals when setting up replication.Rob Crittenden2012-05-221-18/+60
| | | | | | | | | | | | We've seen on a few occassions where one side or the other is missing the ldap principal. This causes replication to fail when trying to convert to using GSSAPI. If this happens force a synchronization again and try the retrieval again, up to 10 times. This should also make the error report clearer if even after the retries one of the principals doesn't exist. https://fedorahosted.org/freeipa/ticket/2737
* Remove LDAP limits from DNS serviceMartin Kosek2012-05-222-3/+71
| | | | | | | | | | | | bind-dyndb-ldap persistent search queries LDAP for all DNS records. The LDAP connection must have no size or time limits to work properly. This patch updates limits both for existing service principal on updated machine and for new service principals added as a part of DNS installation. https://fedorahosted.org/freeipa/ticket/2531
* Remove ipa-server-install LDAP update errorsMartin Kosek2012-05-172-2/+9
| | | | | | | | | | | | | | | | | | | python-ldap add_s method raises a NO_SUCH_OBJECT exception when a parent entry of the entry being added does not exist. This may not be an error, for example NIS entries are only added when NIS is enabled and thus the NIS entry container exists. The exception raised by python-ldap is also incorrectly processed in ipaldap's addEntry function and an irrelevant exception is re-raised instead. Fix LDAP updater to just log an information when an object cannot be added due to missing parent object. Also make sure that the addEntry function exception processing provides the right exception with a useful description. https://fedorahosted.org/freeipa/ticket/2520 https://fedorahosted.org/freeipa/ticket/2743
* Include more information when IP address is not local during installation.Rob Crittenden2012-05-171-1/+4
| | | | | | | | Provide the IP address we resolved when displaying the exception. Also handle the exception ourselves with sys.exit(). https://fedorahosted.org/freeipa/ticket/2654
* Remove duplicate and unused utility codePetr Viktorin2012-05-0911-157/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IPA has some unused code from abandoned features (Radius, ipa 1.x user input, commant-line tab completion), as well as some duplicate utilities. This patch cleans up the utility modules. Duplicate code consolidated into ipapython.ipautil: {ipalib.util,ipaserver.ipautil,ipapython.ipautil}.realm_to_suffix {ipaserver,ipapython}.ipautil.CIDict (with style improvements from the ipaserver version) {ipapython.entity,ipaserver.ipautil}.utf8_encode_value {ipapython.entity,ipaserver.ipautil}.utf8_encode_values ipalib.util.get_fqdn was removed in favor of the same function in ipaserver.install.installutils Removed unused code: ipalib.util: load_plugins_in_dir import_plugins_subpackage make_repr (was imported but unused; also removed from tests) ipapython.ipautil: format_list parse_key_value_pairs read_pairs_file read_items_file user_input_plain AttributeValueCompleter ItemCompleter ipaserver.ipautil: get_gsserror (a different version exists in ipapython.ipautil) ipaserver.ipautil ended up empty and is removed entirely. https://fedorahosted.org/freeipa/ticket/2650
* Redo boolean value encoding.Jan Cholasta2012-05-091-18/+0
| | | | | | | Move the code for encoding boolean values to LDAP boolean syntax from the Parameter class to the Encoder class, where the rest of LDAP encoding takes place. Remove encoding code from the Parameter class altogether, as all LDAP encoding should be done in the Encoder class.
* Revert "Search allowed attributes in superior objectclasses"Rob Crittenden2012-04-291-3/+0
| | | | | | | | This reverts commit a58cbb985ec007c0ef83010b32408efb2f4784d2. We are going to take another approach to this. Instead of erroring out on attributes that don't seem to be allowed we are going to eventually return a warning.