sssd-devel September 2015

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Announcing SSSD 1.13.1
by Jakub Hrozek 30 Sep '15

30 Sep '15

== SSSD 1.13.1 === The SSSD team is proud to announce the release of version 1.13.1 of the System Security Services Daemon. As always, the source is available from https://fedorahosted.org/sssd RPM packages will be made available for Fedora shortly. == Feedback == Please provide comments, bugs and other feedback via the sssd-devel or sssd-users mailing lists: https://lists.fedorahosted.org/mailman/listinfo/sssd-devel https://lists.fedorahosted.org/mailman/listinfo/sssd-users == Highlights == * Initial support for Smart Card authentication was added. The feature can be activated with the new pam_cert_auth option * The PAM prompting was enhanced so that when Two-Factor Authentication is used, both factors (password and token) can be entered separately on separate prompts. At the same time, only the long-term password is cached, so offline access would still work using the long term password * A new command line tool sss_override is present in this release. The tools allows to override attributes on the SSSD side. It's helpful in environment where e.g. some hosts need to have a different view of POSIX attributes than others. Please note that the overrides are stored in the cache as well, so removing the cache will also remove the overrides * New methods were added to the SSSD D-Bus interface. Notably support for looking up a user by certificate and looking up multiple users using a wildcard was added. Please see the interface introspection or the design pages for full details * Several enhancements to the dynamic DNS update code. Notably, clients that update multiple interfaces work better with this release * This release supports authenticating againt a KDC proxy * The fail over code was enhanced so that if a trusted domain is not reachable, only that domain will be marked as inactive but the backed would stay in online mode * Several fixes to the GPO access control code are present == Packaging Changes == * The Smart Card authentication feature requires a helper process p11_child that needs to be marked as setgid if SSSD needs to be able to. Please note the p11_child requires the NSS crypto library at the moment * The sss_override tool was added along with its own manpage * The upstream RPM can now build on RHEL/CentOS 6.7 == Documentation Changes == * The config_file_version configuration option now defaults to 2. As an effect, this option doesn't have to be set anymore unless the config file format is changed again by SSSD upstream * It is now possible to specify a comma-separated list of interfaces in the dyndns_iface option * The InfoPipe responder and the LDAP provider gained a new option wildcard_lookup that specifies an upper limit on the number of entries that can be returned with a wildcard lookup * A new option dyndns_server was added. This option allows to attempt a fallback DNS update against a specific DNS server. Please note this option only works as a fallback, the first attempt will always be performed against autodiscovered servers. * The PAM responder gained a new option ca_db that allows the storage of trusted CA certificates to be specified * The time the p11_child is allowed to operate can be specified using a new option p11_child_timeout == Tickets Fixed == https://fedorahosted.org/sssd/ticket/546 [RFE] Support for smart cards https://fedorahosted.org/sssd/ticket/1697 sssd: incorrect checks on length values during packet decoding https://fedorahosted.org/sssd/ticket/1926 [RFE] Start the dynamic DNS update after the SSSD has been setup for the first time https://fedorahosted.org/sssd/ticket/1994 Complain loudly if backend doesn't start due to missing or invalid keytab https://fedorahosted.org/sssd/ticket/2275 nested netgroups do not work in IPA provider https://fedorahosted.org/sssd/ticket/2283 test dyndns failed. https://fedorahosted.org/sssd/ticket/2335 Investigate using the krb5 responder for driving the PAM conversation with OTPs https://fedorahosted.org/sssd/ticket/2463 Pass error messages via the extdom plugin https://fedorahosted.org/sssd/ticket/2495 [RFE]Allow sssd to add a new option that would specify which server to update DNS with https://fedorahosted.org/sssd/ticket/2549 RFE: Support multiple interfaces with the dyndns_iface option https://fedorahosted.org/sssd/ticket/2553 RFE: Add support for wildcard-based cache updates https://fedorahosted.org/sssd/ticket/2558 Add dualstack and multihomed support https://fedorahosted.org/sssd/ticket/2561 Too much logging https://fedorahosted.org/sssd/ticket/2579 TRACKER: Support one-way trusts for IPA https://fedorahosted.org/sssd/ticket/2581 Re-check memcache after acquiring the lock in the client code https://fedorahosted.org/sssd/ticket/2584 RFE: Support client-side overrides https://fedorahosted.org/sssd/ticket/2597 Add index for 'objectSIDString' and maybe to other cache attributes https://fedorahosted.org/sssd/ticket/2637 RFE: Don't mark the main domain as offline if SSSD can't connect to a subdomain https://fedorahosted.org/sssd/ticket/2639 RFE: Detect re-established trusts in the IPA subdomain code https://fedorahosted.org/sssd/ticket/2652 KDC proxy not working with SSSD krb5_use_kdcinfo enabled https://fedorahosted.org/sssd/ticket/2676 Group members are not turned into ghost entries when the user is purged from the SSSD cache https://fedorahosted.org/sssd/ticket/2682 sudoOrder not honored as expected https://fedorahosted.org/sssd/ticket/2688 Default to config_file_version=2 https://fedorahosted.org/sssd/ticket/2691 GPO: PAM system error returned for PAM_ACCT_MGMT and offline mode https://fedorahosted.org/sssd/ticket/2692 GPO: Access denied due to using wrong sam_account_name https://fedorahosted.org/sssd/ticket/2694 CI: Fix ramshackle test_ipa_subdomains_server (FAIL: test_ipa_subdom_server) https://fedorahosted.org/sssd/ticket/2699 SSSDConfig: wrong return type returned on python3 https://fedorahosted.org/sssd/ticket/2700 krb5_child should always consider online state to allow use of MS-KKDC proxy https://fedorahosted.org/sssd/ticket/2708 Logging messages from user point of view https://fedorahosted.org/sssd/ticket/2711 [RFE] Provide interface for SSH to fetch user certificate https://fedorahosted.org/sssd/ticket/2712 Initgroups memory cache does not work with fq names https://fedorahosted.org/sssd/ticket/2716 Initgroups mmap cache needs update after db changes https://fedorahosted.org/sssd/ticket/2717 well-known SID check is broken for NetBIOS prefixes https://fedorahosted.org/sssd/ticket/2718 SSSD keytab validation check expects root ownership https://fedorahosted.org/sssd/ticket/2719 IPA: returned unknown dp error code with disabled migration mode https://fedorahosted.org/sssd/ticket/2722 Missing config options in gentoo init script https://fedorahosted.org/sssd/ticket/2723 Could not resolve AD user from root domain https://fedorahosted.org/sssd/ticket/2724 getgrgid for user's UID on a trust client prevents getpw* https://fedorahosted.org/sssd/ticket/2725 If AD site detection fails, not even ad_site override skipped https://fedorahosted.org/sssd/ticket/2729 Do not send SSS_OTP if both factors were entered separately https://fedorahosted.org/sssd/ticket/2731 searching SID by ID always checks all domains https://fedorahosted.org/sssd/ticket/2733 Don't use deprecated libraries (libsystemd-*) https://fedorahosted.org/sssd/ticket/2737 sss_override: add import and export commands https://fedorahosted.org/sssd/ticket/2738 Cannot build rpms from upstream spec file on rawhide https://fedorahosted.org/sssd/ticket/2742 When certificate is added via user-add-cert, it cannot be looked up via org.freedesktop.sssd.infopipe.Users.FindByCertificate https://fedorahosted.org/sssd/ticket/2743 memory cache can work intermittently https://fedorahosted.org/sssd/ticket/2744 cleanup_groups should sanitize dn of groups https://fedorahosted.org/sssd/ticket/2746 the PAM srv test often fails on RHEL-7 https://fedorahosted.org/sssd/ticket/2748 test_memory_cache failed in invalidation cache before stop https://fedorahosted.org/sssd/ticket/2749 Fix crash in nss responder https://fedorahosted.org/sssd/ticket/2754 Clear environment and set restrictive umask in p11_child https://fedorahosted.org/sssd/ticket/2757 sss_override does not work correctly when 'use_fully_qualified_names = True' https://fedorahosted.org/sssd/ticket/2758 sss_override contains an extra parameter --debug but is not listed in the man page or in the arguments help https://fedorahosted.org/sssd/ticket/2762 [RFE] sssd: better feedback form constraint password change https://fedorahosted.org/sssd/ticket/2768 Test 'test_id_cleanup_exp_group' failed https://fedorahosted.org/sssd/ticket/2772 sssd cannot resolve user names containing backslash with ldap provider https://fedorahosted.org/sssd/ticket/2773 Make p11_child timeout configurable https://fedorahosted.org/sssd/ticket/2777 Fix memory leak in GPO https://fedorahosted.org/sssd/ticket/2782 sss_override : The local override user is not found https://fedorahosted.org/sssd/ticket/2783 REGRESSION: Dyndns soes not update reverse DNS records https://fedorahosted.org/sssd/ticket/2790 sss_override --name doesn't work with RFC2307 and ghost users https://fedorahosted.org/sssd/ticket/2799 unit tests do not link correctly on Debian https://fedorahosted.org/sssd/ticket/2803 Memory leak / possible DoS with krb auth. https://fedorahosted.org/sssd/ticket/2805 AD: Conditional jump or move depends on uninitialised value == Detailed Changelog == Jakub Hrozek (52): * Updating the version for 1.13.1 development * tests: Move N_ELEMENTS definition to tests/common.h * SYSDB: Add functions to look up multiple entries including name and custom filter * DP: Add DP_WILDCARD and SSS_DP_WILDCARD_USER/SSS_DP_WILDCARD_GROUP * cache_req: Extend cache_req with wildcard lookups * UTIL: Add sss_filter_sanitize_ex * LDAP: Fetch users and groups using wildcards * LDAP: Add sdap_get_and_parse_generic_send * LDAP: Use sdap_get_and_parse_generic_/_recv * LDAP: Add sdap_lookup_type enum * LDAP: Add the wildcard_limit option * IFP: Add wildcard requests * Use NSCD path in execl() * KRB5: Use the right domain for case-sensitive flag * IPA: Better debugging * UTIL: Lower debug level in perform_checks() * IPA: Handle sssd-owned keytabs when running as root * IPA: Remove MPG groups if getgrgid was called before getpw() * LDAP: use ldb_binary_encode when printing attribute values * IPA: Change the default of ldap_user_certificate to userCertificate;binary * UTIL: Provide a common interface to safely create temporary files * IPA: Always re-fetch the keytab from the IPA server * DYNDNS: Add a new option dyndns_server * p11child: set restrictive umask and clear environment * KRB5: Use sss_unique file in krb5_child * KRB5: Use sss_unique_file when creating kdcinfo files * LDAP: Use sss_unique_filename in ldap_child * SSH: Use sss_unique_file_ex to create the known hosts file * SYSDB: Index the objectSIDString attribute * sbus: Initialize errno if constructing message fails and add debug messages * sbus: Add a special error code for messages sent by the bus itself * GPO: Use sss_unique_file and close fd on failure * SDAP: Remove unused function * KRB5: Don't error out reading a minimal krb5.conf * UTIL: Convert domain->disabled into tri-state with domain states * DP: Provide a way to mark subdomain as disabled and auto-enable it later with offline_timeout * SDAP: Do not set is_offline if ignore_mark_offline is set * AD: Only ignore errors from SDAP lookups if there's another connection to fallback to * KRB5: Offline operation with disabled domain * AD: Do not mark the whole back end as offline if subdomain lookup fails * AD: Set ignore_mark_offline=false when resolving AD root domain * IPA: Do not allow the AD lookup code to set backend as offline in server mode * BUILD: link dp tests with LDB directly to fix builds on Debian * LDAP: imposing sizelimit=1 for single-entry searches breaks overlapping domains * tests: Move named_domain from test_utils to common test code * LDAP: Move sdap_create_search_base from ldap to sdap code * LDAP: Filter out multiple entries when searching overlapping domains * IPA: Change ipa_server_trust_add_send request to be reusable from ID code * FO: Add an API to reset all servers in a single service * FO: Also reset the server common data in addition to SRV * IPA: Retry fetching keytab if IPA user lookup fails * Updating translations for the 1.13.1 release Lukas Slebodnik (49): * KRB5: Return right data provider error code * Update few debug messages * intg: Invalidate memory cache before removing files * SPEC: Update spec file for krb5_local_auth_plugin * SSSDConfig: Return correct types in python3 * intg: Modernize 'except' clauses * mmap_cache: Rename variables * mmap_cache: "Override" functions for initgr mmap cache * mmap: Invalidate initgroups memory cache after any change * sss_client: Update integrity check of records in mmap cache * intg_test: Add module for simulation of utility id * intg_test: Add integration test for memory cache * NSS: Initgr memory cache should work with fq names * test_memory_cache: Add test for initgroups mc with fq names * SPEC: Workaround for build with rpm 4.13 * KRB5: Do not try to remove missing ccache * test_memory_cache: Test mmap cache after initgroups * test_memory_cache: Test invalidation with sss_cache * krb5_utils-tests: Remove unused variables * sss_cache: Wait a while for invalidation of mc by nss responder * test_memory_cache: Fix few python issues * NSS: Fix use after free * NSS: Don't ignore backslash in usernames with ldap provider * intg_tests: Add regression test for 2163 * BUILD: Build libdlopen_test_providers.la as a dynamic library * BUILD: Speed up build of some tests * BUILD: Simplify build of simple_access_tests * CI: Set env variable for all tabs in screen * dyndns-tests: Simulate job in wrapped execv * AUTOMAKE: Disable portability warnings * tests: Use unique name for TEST_PATH * tests: Move test_dom_suite_setup to different module * test_ipa_subdomains_server: Use unique dorectory for keytabs * test_copy_keytab: Create keytabs in unique directory * test_ad_common: Use unique directory for keytabs * Revert "LDAP: end on ENOMEM" * Partially revert "LDAP: sanitize group name when used in filter" * LDAP: Sanitize group dn before using in filter * test_ldap_id_cleanup: Fix coding style issues * DYNDNS: Return right error code in case of failure * BUILD: Simplify build of test_data_provider_be * BUILD: Remove unused variable CHECK_OBJ * BUILD: Do not build libsss_ad_common.la as library * BUILD: Remove unused variable SSSD_UTIL_OBJ * CONFIGURE: Remove bashism * IFP: Suppress warning from static analyzer * BUILD: Link test_data_provider_be with -ldl * sysdb-tests: Use valid base64 encoded certificate for search * test_pam_srv: Run cert test only with NSS Michal Židek (13): * DEBUG: Add new debug category for fail over. * pam: Incerease p11 child timeout * sdap_async: Use specific errmsg when available * TESTS: ldap_id_cleanup timeouts * sssd: incorrect checks on length values during packet decoding * CONFDB: Assume config file version 2 if missing * Makefile.am: Add missing AM_CFLAGS * SYSDB: Add function to expire entry * cleanup task: Expire all memberof targets when removing user * CI: Add regression test for #2676 * intg: Fix some PEP 8 violations * PAM: Make p11_child timeout configurable * tests: Set p11_child_timeout to 30 in tests Nikolai Kondrashov (1): * TESTS: Add trailing whitespace test Pavel Březina (18): * VIEWS TEST: add null-check * SYSDB: prepare for LOCAL view * TOOLS: add common command framework * TOOLS: add sss_override for local overrides * AD: Use ad_site also when site search fails * IFP: use default limit if provided is 0 * sudo: use "higher value wins" when ordering rules * sss_override: print input name if unable to parse it * sss_override: support domains that require fqname * TOOLS: add sss_colondb API * sss_override: decompose code better * sss_override: support import and export * sss_override: document --debug options * sss_override: support fqn in override name * views: do not require overrideDN in grous when LOCAL view is set * views: fix two typos in debug messages * views: allow ghost members for LOCAL view * sss_override: remove -d from manpage Pavel Reichl (23): * DYNDNS: sss_iface_addr_list_get return ENOENT * DYNDNS: support mult. interfaces for dyndns_iface opt * DYNDNS: special value '*' for dyndns_iface option * TESTS: dyndns tests support AAAA addresses * DYNDNS: support for dualstack * TESTS: fix compiler warnings * SDAP: rename SDAP_CACHE_PURGE_TIMEOUT * IPA: Improve messages about failures * DYNDNS: Don't use server cmd in nsupdate by default * DYNDNS: remove redundant talloc_steal() * DYNDNS: remove zone command * DYNDNS: rename field of sdap_dyndns_update_state * DYNDNS: remove code duplication * TESTS: UT for sss_iface_addr_list_as_str_list() * LDAP: sanitize group name when used in filter * LDAP: minor improvements in ldap id cleanup * TESTS: fix fail in test_id_cleanup_exp_group * LDAP: end on ENOMEM * AD: send less logs to syslog * Remove trailing whitespace * GPO: fix memory leak * DDNS: execute nsupdate for single update of PTR rec * AD: inicialize root_domain_attrs field Petr Cech (6): * BUILD: Repair dependecies on deprecated libraries * TESTS: Removing part of responder_cache_req-tests * UTIL: Function 2string for enum sss_cli_command * UTIL: Fixing Makefile.am for util/sss_cli_cmd.h * DATA_PROVIDER: BE_REQ as string in log message * IPA PROVIDER: Resolve nested netgroup membership Robin McCorkell (1): * man: List alternative schema defaults for LDAP AutoFS parameters Stephen Gallagher (1): * AD: Handle cases where no GPOs apply Sumit Bose (17): * test common: sss_dp_get_account_recv() fix assignment * nss_check_name_of_well_known_sid() improve name splitting * negcache: allow domain name for UID and GID * nss: use negative cache for sid-by-id requests * krb5: do not send SSS_OTP if two factors were used * utils: add NSS version of cert utils * Add NSS version of p11_child * pack_message_v3: allow empty name * authok: add support for Smart Card related authtokens * PAM: add certificate support to PAM (pre-)auth requests * pam_sss: add sc support * ssh: generate public keys from certificate * krb5 utils: add sss_krb5_realm_has_proxy() * krb5: do not create kdcinfo file if proxy configuration exists * krb5: assume online state if KDC proxy is configured * GPO: use SDAP_SASL_AUTHID as samAccountName * utils: make sss_krb5_get_primary() private Thomas Oulevey (1): * Fix memory leak in sssdpac_verify() Tyler Gates (1): * CONTRIB: Gentoo daemon startup options as declared in conf.d/sssd Yuri Chornoivan (1): * Fix minor typos

1 0

[PATCH] confdb: Remove unused function confdb_get_long
by Pavel Reichl 30 Sep '15

30 Sep '15

Hello, please see trivial patch attached.

5 16

[PATCH] AD: inicialize root_domain_attrs field
by Pavel Reichl 30 Sep '15

30 Sep '15

Hello, please see simple patch attached. Thanks!

3 8

[PATCHES] Fix build with libcrypto
by Lukas Slebodnik 30 Sep '15

30 Sep '15

ehlo, attached are simple patches. It would be good to have then in 1.13.1 LS

2 6

New committer: Lukas Slebodnik
by Jakub Hrozek 28 Sep '15

28 Sep '15

FYI, Lukas now has push privileges to SSSD git.

1 0

[PATCH] CONFIGURE: Remove bashism
by Lukas Slebodnik 27 Sep '15

27 Sep '15

ehlo, simple patch is attached. LS

3 4

[PATCH] IFP: Suppress warning from static analyzer
by Lukas Slebodnik 26 Sep '15

26 Sep '15

ehlo, simple patch is attached. LS

3 5

[PATCH] BUILD: Do not build libsss_ad_common.la as standard library
by Lukas Slebodnik 24 Sep '15

24 Sep '15

ehlo, libsss_ad_common.la was a dynamic library and was linked just with unit tests. It was a workaroud because module libsss_ad.so cannot be linked with tests without portability issues. But it was addted to pkglib_LTLIBRARIES and therefore it was installed with other libraries. This patch changed it and libsss_ad_test.la (old name libsss_ad_common.la) will be compiled only for unit tests (check_LTLIBRARIES) and will not be installed with command "make install". LS

2 2

[PATCH] BUILD: link dp tests with LDB directly to fix builds on Debian
by Jakub Hrozek 24 Sep '15

24 Sep '15

Hi, one of my recent patches broke test builds on Debian. The attached patch fixes it: http://sssd-ci.duckdns.org/logs/job/27/41/summary.html

3 7

RFC: 1.13.1 release notes
by Jakub Hrozek 24 Sep '15

24 Sep '15

Hi, I prepared the 1.13.1 release notes: https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1 For convenience, the text is copied below. Please reply with suggested changes, or just edit the wiki page. == Highlights == * Support for Smart Card authentication was added * The PAM prompting was enhanced so that when Two-Factor Authentication is used, both factors (password and token) can be entered separately on separate prompts. At the same time, only the long-term password is cached, so offline access would still work using the long term password. * A new command line tool `sss_override` is present in this release. The tools allows to override attributes on the SSSD side. It's helpful in environment where e.g. some hosts need to have a different view of POSIX attributes than others. Please note that the overrides are stored in the cache as well, so removing the cache will also remove the overrides. * New methods were added to the SSSD D-Bus interface. Notably support for looking up a user by certificate and looking up multiple users using a wildcard was added. Please see the interface introspection or the design pages for full details. * Several enhancements to the dynamic DNS update code. Notably, clients that update multiple interfaces work better with this release * This release supports authenticating againt a KDC proxy * The fail over code was enhanced so that if a trusted domain is not reachable, only that domain will be marked as inactive but the backed would stay in online mode * Several fixes to the GPO access control code are present. == Packaging Changes == * The Smart Card authentication feature requires a helper process `p11_child` that needs to be marked as setgid if SSSD needs to be able to. Please note the `p11_child` requires the NSS crypto library at the moment. * The `sss_override` tool was added along with its own manpage * The upstream RPM can now build on RHEL/CentOS 6.7 == Documentation Changes == * It is now possible to specify a comma-separated list of interfaces in the `dyndns_iface` option * The !InfoPipe responder and the LDAP provider gained a new option `wildcard_lookup` that specifies an upper limit on the number of entries that can be returned with a wildcard lookup * A new option `dyndns_server` was added. This option allows to attempt a fallback DNS update against a specific DNS server. Please note this option only works as a fallback, the first attempt will always be performed against autodiscovered servers. * The PAM responder gained a new option `ca_db` that allows the storage of trusted CA certificates to be specified * The time the `p11_child` is allowed to operate can be specified using a new option `p11_child_timeout`.

1 0

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sssd-devel September 2015