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path: root/src/responder/pam
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2013-04-02Making the authtok structure really opaque.Lukas Slebodnik2-14/+12
Definition of structure sss_auth_token was removed from header file authtok.h and there left only declaration of this structure. Therefore only way how to use this structure is to use accessory function from same header file. To creating new empty authotok can only be used newly created function sss_authtok_new(). TALLOC context was removed from copy and setter functions, because pointer to stuct sss_auth_token is used as a memory context. All declaration of struct sss_auth_token variables was replaced with pointer to this structure and related changes was made in source code. Function copy_pam_data can copy from argument src which was dynamically allocated with function create_pam_data() or zero initialized struct pam_data allocated on stack. https://fedorahosted.org/sssd/ticket/1830
2013-04-02Reusing create_pam_data() on the other places.Lukas Slebodnik1-1/+1
Function create_pam_data() should be only one way how to create new struct pam_data, because it also initialize destructor to created object.
2013-03-20change responder contexts hierarchyPavel Březina1-8/+12
https://fedorahosted.org/sssd/ticket/1575 The hierarchy is now: main_ctx -> responder_ctx -> specific_ctx where specific_ctx is one of sudo, pam, etc.
2013-03-20do not leak memory on failure in *_process_init()Pavel Březina1-1/+1
2013-03-19Move SELinux processing to provider.Michal Zidek1-309/+0
The SELinux processing was distributed between provider and pam responder which resulted in hard to maintain code. This patch moves the logic to provider. IT ALSO REQUIRES CHANGE IN THE SELINUX POLICY, because the provider also writes the content of selinux login file to disk (which was done by responder before). https://fedorahosted.org/sssd/ticket/1743
2013-03-04Use the same dbg level for all ncache hits.Michal Zidek1-3/+3
We used different debug levels for messages informing about negative cache hits (old levels 2,3,4). Now it is only SSSDBG_TRACE_FUNC (same level is used in nsssrv_services.c and proposed in the ticket bellow). https://fedorahosted.org/sssd/ticket/1771
2013-02-26if selinux is disabled, ignore that selogin dir is missingPavel Březina1-3/+15
https://fedorahosted.org/sssd/ticket/1817
2013-02-10Add function get_next_domain()Simo Sorce1-3/+5
Use this function instead of explicitly calling domain->next This function allows to get the next primary domain or to descend into the subdomains and replaces also get_next_dom_or_subdom()
2013-01-15Add domain argument to sysdb selinux functionsSimo Sorce1-2/+4
2013-01-15Add domain argument to sysdb_cache_auth()Simo Sorce1-1/+1
2013-01-15Add domain argument to sysdb_set_user_attr()Simo Sorce2-12/+10
2013-01-15Add domain argument to sysdb_get_user_attr()Simo Sorce1-2/+2
2013-01-15Pass domain to sysdb_get<pw/gr>nam() functionsSimo Sorce1-3/+1
Also allows us to remove sysdb_subdom_get<pw/gr>nam() wrappers and restore fqnames proper value in subdomains, by testing for a parent domain being present or not.
2013-01-10Change pam data auth tokens.Simo Sorce2-94/+94
Use the new authtok abstraction and interfaces throught the code.
2013-01-10Code can only check for cached passwordsSimo Sorce1-15/+24
Make it clear to the API users that we can not take arbitrary auth tokens. We can only take a password for now so simplify and clarify the interface.
2012-12-18RESPONDERS: Create a common file with service names and versionsJakub Hrozek1-3/+1
The monitor sends calls different sbus methods to different responders. Instead of including headers of the particular responders directly in monitor, which breaks layering a little, create a common header file that will be included from src/responder/common/
2012-12-14sssd_pam: Cleanup requests cache on sbus reconectSimo Sorce1-1/+4
The pam responder was not properly configured to recover from a backend disconnect. The connections that were in flight before the disconnection were never freed and new requests for the same user would just pile up on top of the now phantom requests. Fixes: https://fedorahosted.org/sssd/ticket/1655
2012-11-19Refactor the way subdomain accounts are savedSimo Sorce1-1/+4
The original sysdb code had a strong assumption that only users from one domain are saved in the databse, with the subdomain feature, we have changed reality, but have not adjusted all the code arund the sysdb calls to not rely on the original assumption. One of the side effects of this incongrunece is that currently group memberships do not return fully qualified names for subdomain users as they should. In oreder to fix this and other potential issues surrounding the violation of the original assumption, we need to fully qualify subdomain user names. By savin them fully qualified we do not risk aliasing local users and have group memberhips or other name based matching code mistake a domain user with subdomain usr or vice versa.
2012-11-12Do not always return PAM_SYSTEM_ERR when offline krb5 authentication failsJakub Hrozek1-17/+12
2012-11-02PAM: Do not leak fd after SELinux context file is writtenJakub Hrozek1-0/+1
https://fedorahosted.org/sssd/ticket/1619 We don't close the fd when we write the selinux login file in the pam responder. This results in a fd leak.
2012-10-29Include talloc log in our debug facilityMichal Zidek1-1/+1
https://fedorahosted.org/sssd/ticket/1495
2012-10-01Add new option default_domain_suffixSumit Bose1-10/+21
2012-09-13SELinux: Always use the default if it exists on the serverJakub Hrozek1-22/+21
https://fedorahosted.org/sssd/ticket/1513 This is a counterpart of the FreeIPA ticket https://fedorahosted.org/freeipa/ticket/3045 During an e-mail discussion, it was decided that * if the default is set in the IPA config object, the SSSD would use that default no matter what * if the default is not set (aka empty or missing), the SSSD would just use the system default and skip creating the login file altogether
2012-09-04Check if the SELinux login directory existsJakub Hrozek1-3/+3
https://fedorahosted.org/sssd/ticket/1492
2012-08-16Only create the SELinux login file if there are mappings on the serverJakub Hrozek1-45/+77
https://fedorahosted.org/sssd/ticket/1455 In case there are no rules on the IPA server, we must simply avoid generating the login file. That would make us fall back to the system-wide default defined in /etc/selinux/targeted/seusers. The IPA default must be only used if there *are* rules on the server, but none matches.
2012-08-16Do not try to remove the temp login file if already renamedJakub Hrozek1-2/+3
write_selinux_string() would try to unlink the temporary file even after it was renamed. Failure to unlink the file would not be fatal, but would produce a confusing error message. Also don't use "0" for the default fd number, that's reserved for stdin. Using -1 is safer.
2012-08-16Build SELinux code in responder conditionallyJakub Hrozek1-0/+7
https://fedorahosted.org/sssd/ticket/1480
2012-08-01Fix bad checkJakub Hrozek1-1/+1
2012-07-27Write SELinux config files in responder instead of PAM moduleJan Zeleny1-5/+95
2012-07-27Move SELinux processing from session to account PAM stackJan Zeleny1-1/+2
The idea is to rename session provider to selinux provider. Processing of SELinux rules has to be performed in account stack in order to ensure that pam_selinux (which is the first module in PAM session stack) will get the correct input from SSSD. Processing of account PAM stack is bound to access provider. That means we need to have two providers executed when SSS_PAM_ACCT_MGMT message is received from PAM responder. Change in data_provider_be.c ensures just that - after access provider finishes its actions, the control is given to selinux provider and only after this provider finishes is the result returned to PAM responder.
2012-07-18PAM: Fix off-by-one-error in the SELinux session codeJakub Hrozek1-1/+1
2012-07-18Fix uninitialized valuesNick Guay1-1/+1
https://fedorahosted.org/sssd/ticket/1379
2012-06-25SELinux user maps: pick just one mapJan Zeleny1-12/+11
This patch modifies behavior of SSSD when putting together content of the file for pam_selinux. SSSD will now pick only the first user map in the priority list which matches to the user logging in. Other maps are ignored. https://fedorahosted.org/sssd/ticket/1360
2012-06-21Fix re_expression matching with subdomainsJan Zeleny1-33/+55
This patch fixes an issue which resulted in a need to initialize responder with data from local domain, otherwise it would not correctly detect requests for subdomains. Similar situation can occur if new subdomain is added at runtime. The solution is to ask for a list of subdomains in case there is a candidate domain identified in the process of matching re_expressions with given name.
2012-06-12Make re_expression and full_name_format per domain optionsStef Walter2-12/+11
* Allows different user/domain qualified names for different domains. For example Domain\User or user@domain. * The global re_expression and full_name_format options remain as defaults for the domains. * Subdomains get the re_expression and full_name_format of their parent domain. https://bugzilla.redhat.com/show_bug.cgi?id=811663
2012-06-10PAM: Better pam_reply messageStephen Gallagher1-1/+2
2012-05-04Modify behavior of pam_pwd_expiration_warningJan Zeleny1-35/+0
New option pwd_expiration_warning is introduced which can be set per domain and can override the value specified by the original pam_pwd_expiration_warning. If the value of expiration warning is set to zero, the filter isn't apllied at all - if backend server returns the warning, it will be automatically displayed. Default value for Kerberos: 7 days Default value for LDAP: don't apply the filter Technical note: default value when creating the domain is -1. This is important so we can distinguish between "no value set" and 0. Without this possibility it would be impossible to set different values for LDAP and Kerberos provider.
2012-04-24Send PAM requests for subdomains to the right providerJan Zeleny1-3/+41
2012-04-24Modified responder_get_domain()Jan Zeleny2-2/+2
Now it checks for subdomains as well as for the domain itself
2012-04-24Add conn_name to allow different names for domains and connectionsJan Zeleny1-1/+1
2012-04-18Prevent printing NULL from DEBUG messagesJakub Hrozek1-1/+2
2012-02-29Remove sysdb_get_ctx_from_list()Sumit Bose2-16/+15
2012-02-21Don't give memory context in confdb where not neededJan Zeleny2-6/+6
2012-02-17RESPONDERS: Make the fd_limit setting configurableStephen Gallagher1-1/+12
This code will now attempt first to see if it has privilege to set the value as specified, and if not it will fall back to the previous behavior. So on systems with the CAP_SYS_RESOURCE capability granted to SSSD, it will be able to ignore the limits.conf hard limit. https://fedorahosted.org/sssd/ticket/1197
2012-02-17RESPONDERS: Allow increasing the file-descriptor limitStephen Gallagher1-0/+5
This patch will increase the file descriptor limit to 8k or the limits.conf maximum, whichever is lesser. https://fedorahosted.org/sssd/ticket/1197
2012-02-10Only fetch SELinux string if the user is foundJakub Hrozek1-1/+2
2012-02-06SELinux support in PAM responderJan Zeleny1-0/+163
2012-01-26PAM: Do not overwrite retJakub Hrozek1-3/+1
2012-01-23DP: Fix bugs in sss_dp_get_account_intStephen Gallagher1-0/+1
The conversion to the tevent_req style introduced numerous bugs related to memory management of the various client requests. In some circumstances, this could cause memory corruption and segmentation faults in the NSS responder. This patch makes the following changes: 1) Rename the internal lookup from subreq to sidereq, to indicate that it is not a sub-request of the current lookup (and therefore is not cancelled if the current request is). 2) Change the handling of the callback loops since they call tevent_req_[done|error], which results in them being freed (and therefore removed from the cb_list. This was the source of the memory corruption that would occasionally result in dereferencing an unreadable request. 3) Remove the unnecessary sss_dp_get_account_int_recv() function and change sss_dp_get_account_done() so that it only frees the sidereq. All of the waiting processes have already been signaled with the final results from sss_dp_get_account_int_done()
2012-01-21RESPONDER: Extend sss_dp_account_send() to include extra dataStephen Gallagher1-1/+1
Some NSS maps such as 'services' require more values to be passed to the data provider than just the name or ID. In these cases, we will amend an optional component to filter value to pass to the data provider backend.
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