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* AD/IPA: add krb5_confd_path configuration optionSumit Bose2014-11-256-0/+20
| | | | | | | | | With this new parameter the directory where Kerberos configuration snippets are created can be specified. Fixes https://fedorahosted.org/sssd/ticket/2473 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* Hint about removing sysdb if initializing ID map failsJakub Hrozek2014-11-241-1/+7
| | | | | | https://fedorahosted.org/sssd/ticket/2477 Reviewed-by: Pavel Reichl <preichl@redhat.com>
* IPA: Handle IPA groups returned from extop pluginJakub Hrozek2014-11-241-4/+9
| | | | Reviewed-by: Sumit Bose <sbose@redhat.com>
* BE: Fix a debug messageJakub Hrozek2014-11-241-1/+1
| | | | Reviewed-by: Pavel Reichl <preichl@redhat.com>
* IPA: check overrrides for IPA users as wellSumit Bose2014-11-203-4/+432
| | | | | | | | | Currently overrides were only available for sub-domains, e.g. trusted AD domains. With this patch overrides can be used for IPA users as well. Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* IPA: make get_object_from_cache() publicSumit Bose2014-11-202-4/+10
| | | | | | Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* ipa: add get_be_acct_req_for_uuid()Sumit Bose2014-11-202-6/+40
| | | | | | | | | | This new call creates the needs data for a lookup by UUID which is needed when trying to find the original object for an IPA override object. Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* LDAP: always store UUID if availableSumit Bose2014-11-202-13/+52
| | | | | | Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* LDAP: add support for lookups by UUIDSumit Bose2014-11-202-5/+55
| | | | | | Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* ipa: add split_ipa_anchor()Sumit Bose2014-11-202-0/+65
| | | | | | | | | This call extracts the domain and the UUID part from an IPA override anchor. Related to https://fedorahosted.org/sssd/ticket/2481 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SYSDB: sysdb_idmap_get_mappings returns ENOENTPavel Reichl2014-11-191-1/+1
| | | | | | | | | 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>
* 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: Move all ccache operations to krb5_child.cJakub Hrozek2014-11-185-244/+267
| | | | | | | | | | | | | | | | | | | 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 Hrozek2014-11-185-48/+42
| | | | | | | | | | | | 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 Hrozek2014-11-189-709/+783
| | | | | | | | | | | | | 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 Slebodnik2014-11-121-1/+1
| | | | | | | | | | | | | | | | 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 Slebodnik2014-11-101-4/+4
| | | | | | | | | | | | 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>
* PAM: Remove authtok from PAM stack with OTPLukas Slebodnik2014-11-071-0/+14
| | | | | | | | | | | 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 Bose2014-11-062-6/+4
| | | | | | | | | | | | | | | | | | 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 Bose2014-11-064-0/+7
| | | | | | This reverts commit b5242c146cc0ca96e2b898a74fb060efda15bc77. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Revert "LDAP: Remove unused option ldap_user_uuid"Sumit Bose2014-11-064-0/+7
| | | | | | 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>
* 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 Hrozek2014-11-052-20/+661
| | | | | | | | 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 Hrozek2014-11-053-58/+11
| | | | | | | | 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 Hrozek2014-11-052-76/+5
| | | | | | | | 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 Hrozek2014-11-051-1/+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>
* Views: apply user SSH public key overrideSumit Bose2014-11-052-0/+2
| | | | | | | | | | | | | 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>
* 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>
* 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>
* 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>
* sdap_print_server: use getpeername() to get server addressSumit Bose2014-10-271-1/+1
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* GPO: Terminate request on errorJakub Hrozek2014-10-221-0/+2
| | | | Reviewed-by: Pavel Reichl <preichl@redhat.com>
* BE: Own the sbus socket as the SSSD userJakub Hrozek2014-10-222-4/+14
| | | | | | | | | In some cases, the back end might still be running as root, but the responder would be running unprivileged. In this case, we need to allow connecting from the SSSD user ID. Reviewed-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* SBUS: Chown the sbus socket if neededJakub Hrozek2014-10-222-2/+2
| | | | | | | | | When setting up the sbus server, we might need to chown the sbus socket to make sure non-root peers, running as the SSSD user are able to access the file. Reviewed-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Simo Sorce <simo@redhat.com>
* IPA: Handle NULL members in process_members()Jakub Hrozek2014-10-221-0/+6
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* ipa_subdomains_handler_master_done: initialize reply_countSumit Bose2014-10-221-1/+1
| | | | | | | | This patch should mainly silence a false-positive Coverity warning but since further processing depends on this variable I think it is a good idea anyways. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* ipa: improve error reporting for extdom LDAP exopSumit Bose2014-10-221-3/+6
| | | | | | | | | | This patch fixes a typo when calling ldap_parse_result() which prevented the server-side error message to be used and adds a hint that more information might be available on the server side. Fixes: https://fedorahosted.org/sssd/ticket/2456 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* ipa: fix issues with older servers not supporting viewsSumit Bose2014-10-223-6/+27
| | | | | | | | | Older FreeIPA servers which do not know about the ipaAssignedIDView attribute will return an error during the LDAP dereference request because SSSD marks LDAP extensions as critical. In this case we keep the view name empty and skip override lookups. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* SSSD: Add the options to specify a UID and GID to run asJakub Hrozek2014-10-202-2/+8
| | | | | | | | | Adds new command line options --uid and --gid to all SSSD servers, making it possible to switch to another user ID if needed. So far all code still runs as root. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* IPA: Use set_seuser instead of writing selinux login fileMichal Zidek2014-10-201-134/+48
| | | | | | | | | Remove the write/remove_selinux login file functions and use set_seuser instead. This patch will require change in selinux policy. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* LDAP: Change defaults for ldap_user/group_objectsidMichal Zidek2014-10-161-4/+4
| | | | | | | Fixes: https://fedorahosted.org/sssd/ticket/2361 Reviewed-by: Pavel Reichl <preichl@redhat.com>
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