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* sysdb_get_real_name: allow UPN as inputSumit Bose2014-09-011-5/+11
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* LDAP: Enable tokenGroups with Windows Server 2003Jakub Hrozek2014-09-011-2/+2
| | | | | | | | | | | | According to Microsoft documentation, the tokenGroups attribute is available since Windows 2000: http://msdn.microsoft.com/en-us/library/cc220937.aspx We were not able to test against Windows 2000, though, as we don't have that OS around, so this patch only changes the compatibility level to 2003. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* LDAP: Fall back to functional level of Windows Server 2003Jakub Hrozek2014-09-011-1/+2
| | | | | | | | | The newest functional level we branch for is currently DS_BEHAVIOR_WIN2003. Therefore (and also because extended support for Windows server 2003 ends in 2015) we can safely set the functional level to 2003 if the attribute is present but not a known value. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* LDAP: Add Windows Server 2012 R2 functional levelJakub Hrozek2014-09-012-1/+3
| | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2418 According to http://msdn.microsoft.com/en-us/library/cc223272.aspx a Windows Server 2012 R2 has a functional level set to '6'. We need to support that value in order for tokenGroups to be functional. For more information on the functional levels, please refer to: http://technet.microsoft.com/en-us/library/understanding-active-directory-functional-levels%28v=ws.10%29.aspx Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* responder_socket_access-tests: Fix condition in loopLukas Slebodnik2014-09-011-1/+1
| | | | | | Function check_allowed_uids was not called at all. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* strtonum-tests: Add unit test for strtouint16.Lukas Slebodnik2014-09-011-0/+152
| | | | | | It is almost the same as for strtouint32 Reviewed-by: Pavel Reichl <preichl@redhat.com>
* SDAP: Set default value of ldap_user_ssh_public_key to "sshPublicKey"Jan Cholasta2014-09-012-2/+5
| | | | | | https://fedorahosted.org/sssd/ticket/1560 Reviewed-by: Pavel Reichl <preichl@redhat.com>
* Accept krb5 1.13 for building the PAC pluginNalin Dahyabhai2014-08-281-1/+2
| | | | Reviewed-by: Sumit Bose <sbose@redhat.com>
* sss_log: fix handling of variable argument listsSumit Bose2014-08-271-9/+19
| | | | | | | | | | | | | | | | SSSD has two public calls to send messages to syslog sss_log() and sss_log_ext() which both expect besides other arguments a printf format string and a variable list of arguments depending on the format. Currently sss_log() calls sss_log_ext() internally after calling va_start(ap, format) and hands over ap as the last argument. This does not work because there is a difference between a varying number of arguments and a va_list type. To fix this I added a new private call which expects a va_list as the last argument and is called by sss_log() and sss_log_ext() after calling va_start(). Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* MAN: options 'lockout' and 'ldap_pwdlockout_dn'Pavel Reichl2014-08-271-0/+27
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2364 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: account lockout to restrict access via ssh keyPavel Reichl2014-08-273-0/+568
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Be able to configure sssd to honor openldap account lock to restrict access via ssh key. Introduce new ldap_access_order value ('lock') for enabling/disabling this feature. Account is considered locked if pwdAccountLockedTime attribut has value of 000001010000Z. ------------------------------------------------------------------------ Quotation from man slapo-ppolicy: pwdAccountLockedTime This attribute contains the time that the user's account was locked. If the account has been locked, the password may no longer be used to authenticate the user to the directory. If pwdAccountLockedTime is set to 000001010000Z, the user's account has been permanently locked and may only be unlocked by an administrator. Note that account locking only takes effect when the pwdLockout password policy attribute is set to "TRUE". ------------------------------------------------------------------------ Also set default value for sdap_pwdlockout_dn to cn=ppolicy,ou=policies,${search_base} Resolves: https://fedorahosted.org/sssd/ticket/2364 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: new option - DN to ppolicy on LDAPPavel Reichl2014-08-278-0/+8
| | | | | | | | | | To check value of pwdLockout attribute on LDAP server, DN of ppolicy must be set. Resolves: https://fedorahosted.org/sssd/ticket/2364 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: refactor AC offline checksPavel Reichl2014-08-271-9/+12
| | | | | | Prepare code for other access control checks. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: Fix using of uninitialized variableLukas Slebodnik2014-08-261-2/+5
| | | | | | | | | | | | | | | | | | | | | | When group was posix and id mapping was enabled then variable gid was used uninitialized. Valgrind error: Conditional jump or move depends on uninitialised value(s) at 0x13F1A1D7: sdap_nested_group_hash_group (sdap_async_nested_groups.c:279) by 0x13F1DAA1: sdap_nested_group_send (sdap_async_nested_groups.c:718) by 0x13F1998D: sdap_get_groups_process (sdap_async_groups.c:1847) by 0x13F0F9CE: sdap_get_generic_ext_done (sdap_async.c:1467) by 0x13F0EE9F: sdap_process_result (sdap_async.c:357) by 0x54ABFBE: tevent_common_loop_timer_delay (in /usr/lib64/libtevent.so.0.9.20) by 0x54ACFC9: ??? (in /usr/lib64/libtevent.so.0.9.20) by 0x54AB6B6: ??? (in /usr/lib64/libtevent.so.0.9.20) by 0x54A7F2C: _tevent_loop_once (in /usr/lib64/libtevent.so.0.9.20) by 0x54A80CA: tevent_common_loop_wait (in /usr/lib64/libtevent.so.0.9.20) by 0x54AB656: ??? (in /usr/lib64/libtevent.so.0.9.20) by 0x5283872: server_loop (server.c:587) Reviewed-by: Pavel Reichl <preichl@redhat.com>
* SDAP: Update groups for user just once.Lukas Slebodnik2014-08-261-20/+77
| | | | | | | | | | | | | | | | | | | | | | | | | | The function sdap_ad_tokengroups_update_members finds the differences between list of groups from sysdb and list of groups from LDAP (input argument). For each new group, connections are created between user and group. The other connections are removed. The problem was that in some cases function sdap_ad_tokengroups_update_members was called twice (sdap_ad_tokengroups_initgr_posix_tg_done and sdap_ad_tokengroups_initgr_posix_sids_done). The first call created connection between user and groups resolved from tokengroups and the second call update groups from missing SIDs, but previously created connections were removed. The worst case was when there weren't any missing groups. This behaviour caused missing groups in some cases (for users in child ad domain) This patch join array of groups obtained from token group and array of groups obtained from missing SIDs. The function sdap_ad_tokengroups_update_members is called just once with single array. Resolves: https://fedorahosted.org/sssd/ticket/2407 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SDAP: Use different talloc_context for array of namesLukas Slebodnik2014-08-261-1/+1
| | | | | | It will be easier to steal whole array to another talloc context Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SDAP: Immediately finish request for empty arrayLukas Slebodnik2014-08-261-1/+1
| | | | | | | | If array of sids is empty we needn't try to resolve them and we can immediately finish request in function sdap_ad_resolve_sids_send This patch is just a small optimisation. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* LDAP: Use randomized ccname for storing credentialsJakub Hrozek2014-08-261-5/+39
| | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2410 If two ldap_child processes attempt to prime the ccache at the same time for the same domain, the ldap_child might fail with: [ldap_child_get_tgt_sync] (0x0040): Failed to init ccache: Internal credentials cache error [main] (0x0020): ldap_child_get_tgt_sync failed. To avoid the race-condition, the ldap_child process now creates the ccache randomized and before returning to the caller, renames the randomized ccache to a permanent one. Reviewed-by: Sumit Bose <sbose@redhat.com>
* LDAP: Use tmp_ctx in ldap_child for temporary dataJakub Hrozek2014-08-261-7/+15
| | | | | | | Using a global memory context for short-lived private data might lead to memory growth. Reviewed-by: Sumit Bose <sbose@redhat.com>
* LDAP: Don't add a user member twice when adding a primary groupJakub Hrozek2014-08-261-5/+33
| | | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2406 In the AD case, deployments sometimes add groups as parents of the primary GID group. These groups are then returned during initgroups in the tokenGroups attribute and member/memberof links are established between the user and the group. However, any update of these groups would remove the links, so a sequence of calls: id -G user; id user; id -G user would return different group memberships. Our code errored out in the rare case when the user was *also* an LDAP member of his primary group. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* LDAP: Split out linking primary group members into a separate functionJakub Hrozek2014-08-261-7/+16
| | | | | | | The function sdap_fill_memberships did several tasks. It's more readable to split linking the primary members into a separate function. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* LDAP: Do not shortcut on ret != EOK during password expiry checkJakub Hrozek2014-08-221-15/+0
| | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2323 The functions that check for password expiration can return non-zero return codes not only on internal failure, but also to indicate that the password was expired. The code would in this case shortcut in the error handler instead of making its way to the switch-case code below that translates the SSSD error codes into PAM error codes. We don't lose the error reporting, because any internal error would translate into PAM_SYSTEM_ERROR anyway. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* sss_client: Fix "struct sss_cli_mc_ctx" reinitialize-on-errorsNalin Dahyabhai2014-08-221-0/+2
| | | | | | | | | | | | | | | | | | | When we have difficulty setting up an sss_cli_mc_ctx structure, we try to clean things up so that we'll be ready to try again the next time we're called. Part of that is closing the descriptor of the file if we've opened it and using memset() to clear the structure. Now that sss_nss_mc_get_ctx() does its work in two phases, and each one may end up doing the cleanup, each needs to be careful to reset the descriptor field so that the new value provided by memset() (0) isn't mistakenly treated as a file which should be closed by the other. Resolves: https://fedorahosted.org/sssd/ticket/2409 Reviewed-by: Simo Sorce <simo@redhat.com>
* SDAP: free subrequest in sdap_dyndns_update_addrs_doneLukas Slebodnik2014-08-221-0/+1
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* test_dyndns: sss_iface_addr_list_get can return more valuesLukas Slebodnik2014-08-221-0/+46
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2405 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* dyndns: Fix talloc hierarchy of "struct sss_iface_addr"Lukas Slebodnik2014-08-221-0/+9
| | | | | | | | | | | | | | | Structure "struct sdap_dyndns_update_state" has two linked lists of structures "struct sss_iface_addr": addresses, dns_addrlist In *_recv functions, linked list was talloc stealed to structure sss_iface_addr, but just 1st member was moved to "state" talloc context. Other member of link list were freed with removing subrequest, which caused use after free problem. Resolves: https://fedorahosted.org/sssd/ticket/2405 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* TESTS: leak_check functions shouldn't be called with NULL contextLukas Slebodnik2014-08-221-0/+8
| | | | | | Memory leaks will not be detected if talloc context is NULL. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* test_dyndns: Use different talloc context in wrapped functions.Lukas Slebodnik2014-08-221-2/+21
| | | | | | | | | | | | Real functions use own allocation strategy. We use talloc in wrapped functions. But wrapped functions should not use global_talloc_context, leak_check_teardown will report false positive memory leaks. leak_check_teardown() ./src/tests/cmocka/test_dyndns.c:378: error: Failure! [ FAILED ] dyndns_test_ok_dyndns_test_teardown Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* responder-get-domains-tests: fix checking of leaksLukas Slebodnik2014-08-221-3/+2
| | | | | | | | | | global_talloc_context should not be NULL in tests. It should be initialised with function leak_check_setup otherwise memory leak will not be detected. check_leaks_pop should not be directly called for global_talloc_context. It is a purpose of function leak_check_teardown Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* dyndns_test: Use right socket length of for IPv4 address.Lukas Slebodnik2014-08-221-1/+1
| | | | | | | | | | | | | | man inet_ntop says: The caller specifies the number of bytes available in this buffer in the argument size. AF_INET src points to a struct in_addr (in network byte order) which is converted to an IPv4 network address in the dotted-decimal format, "ddd.ddd.ddd.ddd". The buffer dst must be at least INET_ADDRSTRLEN bytes long. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* libwbclient: SSSD implementationSumit Bose2014-08-2119-0/+3806
| | | | | | | | | | | | | | | | | | | | | | | This patch implements the libwbclient API for Samba daemons and utilities. The main purpose is to map Active Directory users and groups identified by their SID to POSIX users and groups identified by their POSIX UIDs and GIDs respectively. The API is not fully implemented because SSSD does not support some AD features like WINS or NTLM. Additionally this implementation has its focus on the file-server use case and hence does not implement some features which might be needed for a domain controller use case. Some API calls are generic and independent of the backend like e.g. converting binary SIDs and GUIDs into a string representation and back or memory allocation and deallocation. These parts are taken from the original Samba sources together with copyright and authors. Files with'_sssd' as part of the name contain the SSSD related calls. Resolves: https://fedorahosted.org/sssd/ticket/1588 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Revert "IPA: try to resolve nested groups as poxix group"Jakub Hrozek2014-08-191-201/+5
| | | | This reverts commit 08145755f66e83c304e11228c2b610a09576dd81.
* Revert "IPA: process non-posix nested groups"Jakub Hrozek2014-08-191-72/+3
| | | | This reverts commit 5197ac634572a2e0f8c7cacad68d5e5336064744.
* Revert "IPA: new attribute map for non-posix groups"Jakub Hrozek2014-08-196-46/+5
| | | | This reverts commit 4c560e7b98e7ab71d22be24d2fbc468396cb634f.
* IPA: try to resolve nested groups as poxix groupPavel Reichl2014-08-191-5/+201
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2343 Reviewed-by: Michal Židek <mzidek@redhat.com>
* IPA: process non-posix nested groupsPavel Reichl2014-08-191-3/+72
| | | | | | | | | | | | | | If an object can't be resolved as a posix group we then try to resolve it as a non-posix (without the gid attribute) nested group and store it as a group stub into the sysdb. The purpose is to be able to resolve nested posix groups which are members of non-posix groups. Resolves: https://fedorahosted.org/sssd/ticket/2343 Reviewed-by: Michal Židek <mzidek@redhat.com>
* IPA: new attribute map for non-posix groupsPavel Reichl2014-08-196-5/+46
| | | | | | | | | Create new set of attributes to be used when processing non-posix groups. Resolves: https://fedorahosted.org/sssd/ticket/2343 Reviewed-by: Michal Židek <mzidek@redhat.com>
* SYSDB: Clarify sss_ldb_modify_permissive returns ldb error codeJakub Hrozek2014-08-191-0/+6
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Revert "SDAP: Deref needn't be treated as critical"Lukas Slebodnik2014-08-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit fc8d98c9f0bb26de7be732c3e542b85c8abdba53. The reason why the control was marked critical is that we expect to get it back on reply, or it should fail. We should rather leave the criticality bit and handle the error (by downgrading to not use deref controls) if the server fails. In other words, we should not workaround bugs in any LDAP server. If server claim it support deref control, it should work with critical flag. sh-4.2$ ldapsearch -LLL -h 172.17.0.9 -x -b "" -s base supportedControl dn: supportedControl: 1.3.6.1.4.1.4203.666.5.16 supportedControl: 2.16.840.1.113730.3.4.18 supportedControl: 2.16.840.1.113730.3.4.2 supportedControl: 1.3.6.1.4.1.4203.1.10.1 supportedControl: 1.2.840.113556.1.4.319 supportedControl: 1.2.826.0.1.3344810.2.3 supportedControl: 1.3.6.1.1.13.2 supportedControl: 1.3.6.1.1.13.1 supportedControl: 1.3.6.1.1.12 sh-4.2$ grep "1.3.6.1.4.1.4203.666.5.16" /usr/include/ldap.h #define LDAP_CONTROL_X_DEREF "1.3.6.1.4.1.4203.666.5.16" sh-4.2$ ldapsearch -x -LLL -h 172.17.0.9 -b 'dc=example,dc=com' \ -E '!deref=member:cn,uid' \ cn=ref_grp1 cn,uid Critical extension is unavailable (12) Additional information: critical control unavailable in context Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* IPA: handle searches by SID in apply_subdomain_homedirJakub Hrozek2014-08-191-4/+9
| | | | | | | | | | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2391 apply_subdomain_homedir() didn't handle the situation where an entity that doesn't match was requested from the cache. For user and group lookups this wasn't a problem because the negative match was caught sooner. But SID lookups can match either user or group. When a group SID was requested, the preceding LDAP request matched the SID and stored the group in the cache. Then apply_subdomain_homedir() only tried to search user by SID, didn't find the entry and accessed a NULL pointer. A simple reproducer is: $ python >>> import pysss_nss_idmap >>> pysss_nss_idmap.getnamebysid(group_sid) The group_sid can be anything, including Domain Users (XXX-513) Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* sudo: work with correct D-Bus iteratorPavel Březina2014-08-191-3/+4
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* be_get_account_info change level of debug messageMichal Zidek2014-08-191-1/+1
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SDAP: don't log error on access deniedPavel Reichl2014-08-171-1/+6
| | | | | | Don't log error if access is denied in function sdap_access_done(). Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: refactor sdap_access_filter_donePavel Reichl2014-08-171-18/+37
| | | | | | | | | | | | As preparation for ticket #2364 move code from sdap_access_filter_done() into sdap_access_done() to make its reuse possible and thus avoid code duplication. Rename check_next_rule() to sdap_access_check_next_rule(). Update definition order of tevent-using functions by time of execution. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: nitpicks in sdap_access_filter_get_access_donePavel Reichl2014-08-171-7/+5
| | | | | | Fixed typo and replaced duplicated string by macro definition. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: refactor sdap_access_filter_sendPavel Reichl2014-08-171-16/+30
| | | | | | | | | As preparation for ticket #2364 separate code for parsing user basedn to a new function sdap_get_basedn_user_entry(). We actually do not need to call strdup on basedn, instead we can just point to address in user_entry as it's allocated on parent memory context. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* SDAP: split sdap_access_filter_get_access_donePavel Reichl2014-08-171-20/+39
| | | | | | | As a preparation for ticket #2364 separate code for storing user bool values into sysdb to a new function sdap_save_user_cache_bool(). Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* BE: Handle SIGUSR2Jakub Hrozek2014-08-132-4/+28
| | | | | | | | | It was possible to send SIGUSR1 and to both sssd and sssd_be processes, but only possible to send SIGUSR2 to sssd. This patches fixes the dichotomy by making the sssd_be process handle SIGUSR2 as well. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com> Reviewed-by: Dan Lavu <dlavu@redhat.com>
* TESTS: Add unit tests for the replace-space functionalityJakub Hrozek2014-08-131-0/+225
| | | | | Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* SUDO: Use the override_space optionJakub Hrozek2014-08-132-2/+8
| | | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2397 With this path, a user whose name is "space user" would match a sudo rule while using the override_default_space option. Please note that the option is only a client-side override, so the sudoUser attribute must contain the space in order to match the original name. In other words, when substituting space ( ) for underscore (_), this attribute would match: sudoUser: space user this would not: sudoUser: space_user Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
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