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* sysdb: Unify name format for groups and usersMichal Zidek2016-01-131-1/+18
| | | | | | | | | | | | | | | | | | This is WIP patch to unify format of usernames and groupnames in sssd internals. In current form it breaks just about everything. The sysdb update function is just placeholder and it's contents are irelevant. Currently I am working on fqname attribute removal because it seems to just add confusion. If you decide to look into the code, please use sunglasses or other other protective gear and play some calm music in your backgroun to prevent eye or brain injury.
* KRB5_CHILD: Debug logs for PAC timeoutPetr Cech2015-12-141-0/+3
| | | | | | | | | | | | This patch adds debug message that inform user when KRB5_CHILD calls PAC responder. This action might take a bit of time in case the cache is not populated or up to date. Resolves: https://fedorahosted.org/sssd/ticket/2846 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Mark globals in krb5_opts.h as externPavel Březina2015-12-142-23/+48
| | | | | | To avoid collisions when we want to work with them elsewhere in the code. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* KRB5: Handle KRB5_REALM_UNKNOWN as ERR_NETWORK_IOJakub Hrozek2015-12-071-0/+1
| | | | | | | | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2866 This would help users who authenticate to AD trust servers while offline and see error messages such as: [get_and_save_tgt] (0x0020): 996: [-1765328230][Cannot find KDC for realm "AD.EXAMPLE.COM"] in the krb5_child.log Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* KRB5: Handle preauth request timeout more gracefullyJakub Hrozek2015-12-071-0/+5
| | | | | | | | The error itself doesn't matter that much, because pam_sss.so handles all preauth errors gracefully already, but the issue triggered a loud and confusing debug message in the logs. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* KRB5_CHILD: More restrictive umaskPetr Cech2015-11-051-1/+1
| | | | | | | | | | | We could use more restrictive umask in krb5_child. I found out that there is directory creation, but it is done by create_ccache_dir() which has its own umask setup. Resolves: https://fedorahosted.org/sssd/ticket/2424 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* FO: Use refcount to keep track of servers returned to callersJakub Hrozek2015-10-231-2/+2
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2829 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* REFACTOR: umask(077) --> umask(SSS_DFL_X_UMASK)Petr Cech2015-10-141-1/+1
| | | | | | | | | | | There are many calls of umask function with 077 argument. This patch add new constant SSS_DFL_X_UMASK which stands fot 077. So all occurences of umask(077) are replaced by constant SSS_DFL_X_UMASK. Resolves: https://fedorahosted.org/sssd/ticket/2424 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* KRB5: Offline operation with disabled domainJakub Hrozek2015-09-211-1/+11
| | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2637 If a subdomain is in the disabled state, switch krb5_child operation into offline mode. Similarly, instead of marking the whole back end as offline, mark just the domain as offline -- depending on the domain type, this would mark the whole back end or just inactivate subdomain. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* sssd: incorrect checks on length values during packet decodingMichal Židek2015-08-312-8/+8
| | | | | | | | | | https://fedorahosted.org/sssd/ticket/1697 It is safer to isolate the checked (unknown/untrusted) value on the left hand side in the conditions to avoid overflows/underflows. Reviewed-by: Petr Cech <pcech@redhat.com>
* KRB5: Use sss_unique_file when creating kdcinfo filesJakub Hrozek2015-08-171-7/+9
| | | | Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* KRB5: Use sss_unique file in krb5_childJakub Hrozek2015-08-171-16/+11
| | | | | | | | In krb5_child, we intentionally don' set the owner of the temporary file, because we're not renaming it to a 'stable' name, but rather directly using it as the ccache. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* krb5: assume online state if KDC proxy is configuredSumit Bose2015-08-051-0/+6
| | | | | | | | | | | If a KDC proxy is configured a request in the KRB5 provider will assume online state even if the backend is offline without changing the state of the backend. Resolves https://fedorahosted.org/sssd/ticket/2700 Reviewed-by: Alexander Bokovoy <abokovoy@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: do not create kdcinfo file if proxy configuration existsSumit Bose2015-08-051-0/+7
| | | | | | | Resolves https://fedorahosted.org/sssd/ticket/2652 Reviewed-by: Alexander Bokovoy <abokovoy@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* KRB5: Do not try to remove missing ccacheLukas Slebodnik2015-08-051-0/+5
| | | | | | | | | There was a misleading debug message in krb5_child [[sssd[krb5_child[16629]]]] [get_and_save_tgt] (0x0080): Failed to remove old ccache file [(null)], please remove it manually. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* krb5: do not send SSS_OTP if two factors were usedSumit Bose2015-07-291-1/+6
| | | | | | Resolves https://fedorahosted.org/sssd/ticket/2729 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* KRB5: Use the right domain for case-sensitive flagJakub Hrozek2015-07-221-1/+1
| | | | Reviewed-by: Pavel Reichl <preichl@redhat.com>
* KRB5: Return right data provider error codeLukas Slebodnik2015-07-151-1/+1
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2719 Reviewed-by: Michal Židek <mzidek@redhat.com>
* KRB5: Add and use krb5_auth_queue_send to queue requests by defaultJakub Hrozek2015-07-065-48/+199
| | | | | | | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/2701 Previously, only the krb5 provides used to queue requests, which resulted in concurrent authentication requests stepping on one another. This patch queues requests by default. Reviewed-by: Sumit Bose <sbose@redhat.com>
* krb: remove duplicit decl. of write_krb5info_filePavel Reichl2015-06-051-3/+0
| | | | | | function write_krb5info_file() was declared twice in krb5_common.h Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* krb5: new option krb5_map_userPavel Reichl2015-05-288-15/+213
| | | | | | | | | | New option `krb5_map_user` providing mapping of ID provider names to Kerberos principals. Resolves: https://fedorahosted.org/sssd/ticket/2509 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: remove field run_as_userPavel Reichl2015-05-142-15/+0
| | | | | | run_as_user is set set but never read. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* krb5: try delayed online authentication only for single factor authSumit Bose2015-05-081-0/+7
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* krb5: save hash of the first authentication factor to the cacheSumit Bose2015-05-081-3/+23
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* krb5-child: add preauth and split 2fa token supportSumit Bose2015-05-083-21/+251
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Add pre-auth requestSumit Bose2015-05-081-0/+2
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Unify prototype and definitionLukas Slebodnik2015-04-011-2/+3
| | | | | | | | | The prototype of function copy_keytab_into_memory does not match the definition. One of arguments differs in constant modifier. Patch also include header file to implementation module. If should avoid such problems in future. Reviewed-by: Pavel Reichl <preichl@redhat.com>
* KRB5: add debug hintPavel Reichl2015-03-201-1/+2
| | | | Reviewed-by: Sumit Bose <sbose@redhat.com>
* Add missing new lines to debug messagesLukas Slebodnik2015-03-172-2/+2
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* KRB5: More debugging for create_ccache()Jakub Hrozek2015-03-101-13/+41
| | | | | | | | It was difficult to find where the problem was without advanced techniques like strace. Reviewed-by: Pavel Reichl <preichl@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* Open the PAC socket from krb5_child before dropping rootJakub Hrozek2015-01-211-0/+8
| | | | | | | | | | The PAC responder by default allows only connections from the root user. This patch opens the socket to the PAC responder before the krb5_child drops privileges so the connection seemingly comes from root. https://fedorahosted.org/sssd/ticket/2559 Reviewed-by: Sumit Bose <sbose@redhat.com>
* krb5: fix entry order in MEMORY keytabSumit Bose2015-01-191-28/+90
| | | | | | | | | | | | | | | Since krb5_kt_add_entry() adds new entries at the beginning of a MEMORY type keytab and not at the end a simple copy into a MEMORY type keytab will revert the order of the keytab entries. Since e.g. the sssd_krb5 man page give hints about where to add entries into keytab files to help SSSD to find a right entry we have to keep the order when coping a keytab into a MEMORY type keytab. This patch fixes this by doing a second copy to retain the original order. Resolves https://fedorahosted.org/sssd/ticket/2557 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* UTIL: Unify the fd_nonblocking implementationJakub Hrozek2015-01-151-2/+2
| | | | | | | The responder and child_common modules each had their own implementation. Unify it instead and add a unit test. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* krb5_child: Return ERR_NETWORK_IO on KRB5_KDCREP_SKEWJakub Hrozek2015-01-141-0/+1
| | | | | | Previously, we were only handling KRB5KRB_AP_ERR_SKEW Reviewed-by: Sumit Bose <sbose@redhat.com>
* UTIL: Allow dup-ing child pipe to a different FDJakub Hrozek2015-01-131-4/+4
| | | | | | | | | | Related to: https://fedorahosted.org/sssd/ticket/2544 Adds a new function exec_child_ex and moves setting the extra_argv[] to exec_child_ex() along with specifying the input and output fds. Reviewed-by: Sumit Bose <sbose@redhat.com>
* krb5: handle KRB5KRB_ERR_GENERIC as unspecific errorSumit Bose2014-12-171-1/+12
| | | | | | | | | | | KRB5KRB_ERR_GENERIC is a generic error and we cannot make any assumptions about the cause. If there are cases where KRB5KRB_ERR_GENERIC is returned and SSSD should behave differently this must be solved by other means. Resolves https://fedorahosted.org/sssd/ticket/2535 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* krb5_child: Initialize REALM earlierLukas Slebodnik2014-12-171-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Environment variable SSSD_KRB5_REALM was used to late for initialisation realm. and therefore default value NULL was used. The SSSD_KRB5_REALM (kr->realm) was used as fast_principal_realm for checking fast cache: privileged_krb5_setup -> k5c_setup_fast -> check_fast_ccache And therefore wrong principal was used when the option krb5_fast_principal is empty. [find_principal_in_keytab] (0x4000): Trying to find principal (null)@(null) in keytab. [match_principal] (0x1000): Principal matched to the sample ((null)@(null)). [get_tgt_times] (0x1000): FAST ccache must be recreated [get_tgt_times] (0x0020): krb5_cc_retrieve_cred failed [get_tgt_times] (0x0020): 1688: [-1765328243][Matching credential not found] [check_fast_ccache] (0x0040): Valid FAST TGT not found after attempting to renew it [k5c_setup_fast] (0x0020): check_fast_ccache failed. [k5c_setup_fast] (0x0020): 1956: [1432158213][Unknown code UUz 5] [privileged_krb5_setup] (0x0040): Cannot set up FAST [main] (0x0020): privileged_krb5_setup failed. [main] (0x0020): krb5_child failed! As a result of this user was not able to authenticate. Resolves: https://fedorahosted.org/sssd/ticket/2526 Reviewed-by: Sumit Bose <sbose@redhat.com>
* Skip CHAUTHTOK_PRELIM when using OTPsJakub Hrozek2014-12-131-3/+35
| | | | | | | | | | | | | | | | | https://fedorahosted.org/sssd/ticket/2484 When OTPs are used, we can only used each authtoken at most once. When it comes to Kerberos password changes, this was only working previously by accident, because the old authtoken was first used to verify the old password is valid and not expired and then also to acquire a chpass principal. This patch looks at the user object in LDAP to check if the user has any OTPs enabled. If he does, the CHAUTHTOK_PRELIM step is skipped completely so that the OTP can be used to acquire the chpass ticket later. Reviewed-by: Sumit Bose <sbose@redhat.com>
* KRB5: Check FAST kinit errors using get_tgt_times()Jakub Hrozek2014-12-111-13/+15
| | | | Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* krb5: add wrapper for krb5_kt_have_content()Sumit Bose2014-12-071-1/+1
| | | | | | | | | krb5_kt_have_content() was introduced in MIT Kerberos 1.11. For older platforms this patch adds sss_krb5_kt_have_content() as a wrapper. Resolves https://fedorahosted.org/sssd/ticket/2518 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* KRB5: Relax DEBUG messageJakub Hrozek2014-12-031-2/+5
| | | | Reviewed-by: Sumit Bose <sbose@redhat.com>
* sss_atomic_write_s() return value is signedJakub Hrozek2014-12-031-1/+1
| | | | Reviewed-by: Sumit Bose <sbose@redhat.com>
* KRB5: Create the fast ccache in a child processJakub Hrozek2014-12-032-28/+100
| | | | | | | | | | Related: https://fedorahosted.org/sssd/ticket/2503 In order to avoid calling Kerberos library calls as root, the krb5_child forks itself and recreates the FAST ccache as the SSSD user. Reviewed-by: Sumit Bose <sbose@redhat.com>
* Add extra_args to exec_child()Jakub Hrozek2014-12-031-1/+2
| | | | | | | | | | | | Related: https://fedorahosted.org/sssd/ticket/2503 Currently all child processes use the same arguments, the construction of argv[] is even hardcoded in exec_child(). Add an extra_args[] array that extends the common set of argvs so that we can have child-specific arguments. Also adds a unit test. Reviewed-by: Sumit Bose <sbose@redhat.com>
* krb5_child: become user earlierSumit Bose2014-12-021-38/+93
| | | | | | | The host keytab and the FAST credential cache are copied into memory early at startup to allow to drop privileges earlier. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: add copy_keytab_into_memory()Sumit Bose2014-12-022-0/+196
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: add copy_ccache_into_memory()Sumit Bose2014-12-022-0/+127
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: do not fail if checking the old ccache failedSumit Bose2014-12-021-2/+5
| | | | | | https://fedorahosted.org/sssd/ticket/2510 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: make krb5 provider view awareSumit Bose2014-12-021-6/+12
| | | | | | https://fedorahosted.org/sssd/ticket/2510 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* krb5: Check return value of sss_krb5_princ_realmLukas Slebodnik2014-11-282-0/+13
| | | | | | | | | | sss_krb5_princ_realm set output parameter realm to NULL and len to 0 in case of failure. Clang static analysers reported warning "Null pointer passed as an argument to a 'nonnull' parameter" in function match_principal. It was possible, that realm_name with value NULL could be used in strncmp. Reviewed-by: Pavel Reichl <preichl@redhat.com>
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