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* sysdb: add sysdb_search_object_by_uuid()Sumit Bose2014-11-203-0/+135
| | | | | | Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SYSDB: sysdb_idmap_get_mappings returns ENOENTPavel Reichl2014-11-193-7/+12
| | | | | | | | | sysdb_idmap_get_mappings returns ENOENT if no results were found. Part od solution for: https://fedorahosted.org/sssd/ticket/1991 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* MAN: page edit for ldap_use_tokengroupsDan Lavu2014-11-191-1/+12
| | | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2448 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* BE: Become a regular user after initializationJakub Hrozek2014-11-181-0/+13
| | | | | | | | | | | Some parts of initialization (Kerberos ticket renewal, checking the keytab for the right principal) still require the root privileges. Drop privileges after initializing the back ends. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com>
* KRB5: Do not switch_creds() if already the specified userJakub Hrozek2014-11-182-8/+28
| | | | | | | | | | | | | | The code didn't have to handle this case previously as sssd_be was always running as root and switching to the ccache as the user logging in. Also handle NULL creds on restore_creds() in case there was no switch. One less if-condition and fewer indentation levels. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Move all ccache operations to krb5_child.cJakub Hrozek2014-11-188-246/+270
| | | | | | | | | | | | | | | | | | | The credential cache operations must be now performed by the krb5_child completely, because the sssd_be process might be running as the sssd user who doesn't have access to the ccaches. src/providers/krb5/krb5_ccache.c is still linked against libsss_krb5 until we fix Kerberos ticket renewal as non-root. Also includes a new error code that indicates that the back end should remove the old ccache attribute -- the child can't do that if it's running as the user. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Move checking for illegal RE to krb5_utils.cJakub Hrozek2014-11-187-97/+73
| | | | | | | | | | | | Otherwise we would have to link krb5_child with pcre and transfer the regex, which would be cumbersome. Check for illegal patterns when expanding the template instead. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Move ccache-related functions to krb5_ccache.cJakub Hrozek2014-11-1811-709/+785
| | | | | | | | | | | | | Add a new module krb5_ccache.c that contains all ccache-related operations. The only user of this module shall be krb5_child.c as the other modules will run unprivileged and accessing the ccache requires either privileges of root or the ccache owner. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Drop privileges in the child, not the back endJakub Hrozek2014-11-182-21/+56
| | | | | | | | | | | | | | | | | | In future patches, sssd_be will be running as a non-privileged user, who will execute the setuid krb5_child. In this case, the child will start as root and drop the privileges as soon as possible. However, we need to also remove the privilege drop in sssd_be, because if we dropped to the user who is authenticating, we wouldn't be even allowed to execute krb5_child. The krb5_child permissions should be 4750, owned by root.sssd, to make sure only root and sssd can execute the child and if executed by sssd, the child will run as root. Related: https://fedorahosted.org/sssd/ticket/2370 Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* PROXY: Preserve service name in proxy providerMichal Zidek2014-11-131-1/+21
| | | | | | | | Fixes: https://fedorahosted.org/sssd/ticket/2461 Reviewed-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* proxy: Do not try to store same alias twiceMichal Zidek2014-11-131-28/+49
| | | | | | | | | | | LDB does not store attributes if they have the same name and value and errors out instead. Fixes: https://fedorahosted.org/sssd/ticket/2461 Reviewed-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* LDAP: Disable token groups by defaultLukas Slebodnik2014-11-122-2/+2
| | | | | | | | | | | | | | | | We tried to speed up processing of initgroup lookups with tokenGroups even for the LDAP provider (if remote server is Active Directory), but it turns out that there are too many corner cases that we didn't catch during development that break. For instance, groups from other trusted domains might appear in TG and the LDAP provider isn't equipped to handle them. Overall, users who wish to use the added speed benefits of tokenGroups are advised to use the AD provider. Resolves: https://fedorahosted.org/sssd/ticket/2483 Reviewed-by: Michal Židek <mzidek@redhat.com>
* AD: Change level of debug messageLukas Slebodnik2014-11-111-1/+1
| | | | | | | The end of dnf update is not an operation failure it is just a usefull debug message. Reviewed-by: Michal Židek <mzidek@redhat.com>
* Revert "LDAP: Change defaults for ldap_user/group_objectsid"Lukas Slebodnik2014-11-102-6/+6
| | | | | | | | | | | | This reverts commit f834f712548db811695ea0fd6d6b31d3bd03e2a3. OpenLDAP server cannot dereference unknown attributes. The attribute objectSID isn't in any standard objectclass on OpenLDAP server. This is a reason why objectSID cannot be set by default in rfc2307 map and rfc2307bis map. It is the same problem as using non standard attribute "nsUniqueId" in ticket https://fedorahosted.org/sssd/ticket/2383 Reviewed-by: Michal Židek <mzidek@redhat.com>
* NSS: Fix warning enumerated type mixed with another typeLukas Slebodnik2014-11-102-4/+4
| | | | | | | | | | src/responder/nss/nsssrv_cmd.c:688: mixed_enum_type: enumerated type mixed with another type "enum sss_dp_acct_type" was mixed with type "int". ANSI C is not very strict in this. Reviewed-by: Michal Židek <mzidek@redhat.com>
* PAM: Remove authtok from PAM stack with OTPLukas Slebodnik2014-11-072-1/+29
| | | | | | | | | | | We remove the password from the PAM stack when OTP is used to make sure that other pam modules (pam-gnome-keyring, pam_mount) cannot use it anymore and have to request a password on their own. Resolves: https://fedorahosted.org/sssd/ticket/2287 Reviewed-by: Nathaniel McCallum <npmccallum@redhat.com>
* Fix uuid defaultsSumit Bose2014-11-063-8/+8
| | | | | | | | | | | | | | | | | | Recently the uuid attributes for user and groups were removed because it was found that there are not used at all and that some of them where causing issues (https://fedorahosted.org/sssd/ticket/2383). The new views/overrides feature of FreeIPA uses the ipaUniqueID attribute to relate overrides with the original IPA objects. The previous two patches revert the removal of the uuid attributes from users and groups with this patch set the default value of these attributes to ipaUniqueID from the IPA provider, to objectGUID for the AD provider and leaves them unset for the general LDAP case to avoid issues like the one from ticket #2383. Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Revert "LDAP: Remove unused option ldap_group_uuid"Sumit Bose2014-11-0610-0/+25
| | | | | | This reverts commit b5242c146cc0ca96e2b898a74fb060efda15bc77. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Revert "LDAP: Remove unused option ldap_user_uuid"Sumit Bose2014-11-0610-0/+25
| | | | | | This reverts commit dfb2960ab251f609466fa660449703835c97f99a. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* IPA: Store right username to selinux child contextLukas Slebodnik2014-11-061-1/+1
| | | | | | Wrong name would be used with fully qualified names. Reviewed-by: Michal Židek <mzidek@redhat.com>
* selinux_child: Do not ignore return values.Michal Zidek2014-11-061-0/+8
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* test_sysdb_views: Use unique directory for cacheLukas Slebodnik2014-11-061-1/+3
| | | | | | | | | | | | | | Two tests stored cache in the same directory, It can cause failures with parallel execution of tests. sh$ git grep tests_sysdb src/tests/cmocka/test_sysdb_views.c:#define TESTS_PATH "tests_sysdb" src/tests/sysdb-tests.c:#define TESTS_PATH "tests_sysdb" This patch also clean up potential leftovers after previous failed test_sysdb_views before execution of test suite. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* BE: Make struct bet_queue_item private to sssd_beJakub Hrozek2014-11-062-10/+10
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* IPA: Move setting the SELinux context to a child processJakub Hrozek2014-11-054-20/+663
| | | | | | | | In order for the sssd_be process to run as unprivileged user, we need to move the semanage processing to a process that runs as the root user using setuid privileges. Reviewed-by: Michal Židek <mzidek@redhat.com>
* UTIL: Remove more code duplication setting up child processesJakub Hrozek2014-11-055-58/+42
| | | | | | | | All our child processes duplicated the same code that set up the debugging all around. Instead of adding yet another copy for the selinux_child, add a common utility function. Reviewed-by: Michal Židek <mzidek@redhat.com>
* UTIL: Remove code duplication of struct ioJakub Hrozek2014-11-054-76/+41
| | | | | | | | We had struct io and the associated destructor copied twice in the code already and need it again in the SELinux provider. Instead of adding another copy, move the code to a shared subtree under util/ Reviewed-by: Michal Židek <mzidek@redhat.com>
* LDAP: Drop privileges after kinit in ldap_childJakub Hrozek2014-11-052-34/+64
| | | | | | | | After ldap_child initializes privileges using root-owned keytab, it drops privileges to the SSSD user, minimizing the amount of code that runs as root. Reviewed-by: Michal Židek <mzidek@redhat.com>
* LDAP: read the correct data type from ldap_child's input bufferJakub Hrozek2014-11-051-2/+2
| | | | | | The back end wrote uint32_t, the ldap_child process would read int32_t. Reviewed-by: Michal Židek <mzidek@redhat.com>
* LDAP: Move sss_krb5_verify_keytab_ex to ldap_childJakub Hrozek2014-11-053-80/+78
| | | | | | | | The function was called from one place only, so it makes no sense to keep it in a shared module. Moreover, the function should only be called from code that runs as root. Reviewed-by: Michal Židek <mzidek@redhat.com>
* Add ssh pubkey to origbyname requestSumit Bose2014-11-051-0/+2
| | | | | | | | | Since the IPA clients expects that the extdom plugin delivers the default view data for a given user this patch adds the public SSH key to the list of returned attributes of the getorigbyname request so that it can be send back to the clients. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* Add test for sysdb_add_overrides_to_object()Sumit Bose2014-11-051-0/+235
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* Views: apply user SSH public key overrideSumit Bose2014-11-055-40/+126
| | | | | | | | | | | | | With this patch the SSH public key override attribute is read from the FreeIPA server and saved in the cache with the other override data. Since it is possible to have multiple public SSH keys this override value does not replace any other data but will be added to existing values. Fixes https://fedorahosted.org/sssd/ticket/2454 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* sysdb_add_overrides_to_object: add new parameter and multi-value supportSumit Bose2014-11-054-26/+44
| | | | | | | | | | With the new parameter an attribute list other than the default one can be used. Override attributes with multiple values (e.g. SSH public keys) are now supported as well. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* sysdb_get_user_attr_with_views: add mandatory override attributesSumit Bose2014-11-051-39/+8
| | | | | | | | | | | | This patch add another attribute with is needs for override processing to the attribute list of sysdb_get_user_attr_with_views(). With two attribute it does not seem useful to check for existence and add each of the attributes conditionally. With this patch they are added unconditionally if the domain has views. Additionally the attributes are not removed in the end because it is expected that they do not cause any harm. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* nss: return user_attributes in origbyname requestSumit Bose2014-11-052-30/+223
| | | | | | | | | | | | | To allow IPA clients to offer special attributes of AD users form trusted domain the extdom plugin on the IPA server must send them to the clients. The extdom plugin already uses sss_nss_getorigbyname() to get attributes like the SID and the user principal name. This patch adds the attributes given by the NSS/IFP user_attributes option to the list of attributes returned by sss_nss_getorigbyname(). Fixes https://fedorahosted.org/sssd/ticket/2464 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* nss: parse user_attributes optionSumit Bose2014-11-053-0/+48
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* Add parse_attr_list_ex() helper functionSumit Bose2014-11-055-116/+208
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* IPA: inherit ldap_user_extra_attrs to AD subdomainsSumit Bose2014-11-051-0/+31
| | | | | | | | | | | | | | Currently the component of the IPA provider which reads the AD user and group attributes in ipa-server-mode uses default settings for the LDAP related attributes. As a result even if ldap_user_extra_attrs is defined in sssd.conf no extra attributes are read from AD. With the patch the value if ldap_user_extra_attrs is inherited to the AD subdomains to allow them to read extra attributes as well. Related to https://fedorahosted.org/sssd/ticket/2464 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* Add add_strings_lists() utility functionSumit Bose2014-11-053-0/+194
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* IPA: use ipaUserGroup object class for groupsPavel Březina2014-11-051-1/+1
| | | | | | | | | | | | | dfb34c6c82ed5014599bf70de6791e6d79106fc2 changed object class of IPA groups from posixGroups to more general groupOfNames. However, this object class is used also for roles, permissions and privileges which caused SSSD to consider those objects to be groups as well during initgroups. Resolves: https://fedorahosted.org/sssd/ticket/2471 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* NSS: disable midpoint refresh for netgroupsPavel Reichl2014-11-041-14/+43
| | | | | | | | | | Disable midpoint refresh for netgroups if periodical refresh of expired netgroups is enabled (refresh_expired_interval) Resolves: https://fedorahosted.org/sssd/ticket/2102 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* CONFDB: Detect&fix misconf opt refresh_expired_intervalPavel Reichl2014-11-041-0/+15
| | | | | | | Related to: https://fedorahosted.org/sssd/ticket/2102 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* memberof: check for empty arrays to avoid segfaultsSumit Bose2014-11-041-2/+2
| | | | | | | | | | The arrays with members to add or delete may be empty, i.e. have 0 entries. In this case further processing should be skipped to avoid segfaults later on. Fixes (hopefully) https://fedorahosted.org/sssd/ticket/2430 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* MONITOR: Fix warning may be used uninitializedMichal Zidek2014-10-311-1/+3
| | | | | | | | | | | | | | | This warning is caused be change 579e5d4b7a3ca161ea7518b2996905fa22c15995 "MONITOR: Allow confdb to be accessed by nonroot user" src/monitor/monitor.c: In function ‘main’: src/monitor/monitor.c:2953:24: error: ‘monitor’ may be used uninitialized in this function [-Werror=maybe-uninitialized] monitor->is_daemon = !opt_interactive; ^ cc1: all warnings being treated as errors Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* IPA: Rename user_dom into obj_domJakub Hrozek2014-10-301-12/+12
| | | | | | | | There was a variable in the IPA subdomain code named user_dom, however, it was used in code that processes both users and groups, which was confusing. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* IPA: Don't fail the request when BE doesn't find the objectJakub Hrozek2014-10-301-4/+6
| | | | | | | | The IPA subdomain code treated ENOENT as a fatal error, which resulted in a loud error message and the whole request being aborted. This patch ignores ENOENT. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* IFP: Fix typo in debug messageSumit Bose2014-10-301-1/+1
| | | | Reviewed-by: Pavel Reichl <preichl@redhat.com>
* nss: preserve service name in getsrv callMichal Zidek2014-10-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | About case_sensitive=preserving and services. The name of the service can be preserved in result of 'getent service'. However we should still lowercase the protocol and service aliases because they serve as keys in some queries to sysdb. The lowercasing is done by the provider already. If we did not do that, we would lose case insesnsitivity. With this patch the responder preserves the case of service name and protocol, to match the case that is stored in the sysdb (however the protocol is already lowercased by provider, so it was done only for consistent use of the case_sensitive=preserve option in the responders and only the case of name is the same as in ldap). Fixes: https://fedorahosted.org/sssd/ticket/2460 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* RESPONDERS: Set default value for umaskPavel Reichl2014-10-298-0/+18
| | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2468 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* RESPONDERS: Don't hard-code umask value in utility functionPavel Reichl2014-10-291-4/+4
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2468 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
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