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* CACHE_REQ: Domain type selection in cache_reqJakub Hrozek2017-03-3018-19/+61
| | | | | | | | | | | | | | | | | | | | Related to: https://pagure.io/SSSD/sssd/issue/3310 Adds a new enumeration cache_req_dom_type. It is a tri-state that allows the caller to select which domains can be contacted - either only POSIX, only application domains or any type. Not all plugins of cache_req have the new parameter added -- only those that are usable/useful in a non-POSIX environment. For example, it makes no sense to allow the selection for calls by ID because those are inherently POSIX-specific. Also, services or netgroups are supported only coming from POSIX domains. At the moment, the patch should not change any behaviour as all calls default to contacting POSIX domains only. Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* CACHE_REQ: Descend into subdomains on lookupsFabiano Fidêncio2017-03-2910-10/+10
| | | | | | | | | | | | | | | | | | | | | Let's make all plugins, but the "host_by_name", to descend into the subdomains on lookups. This patch basically prepares the field for the coming up patches that will allow group/user resolution in all domains (or a subset of the domains) to be possible by only using the short names without the domain component. The "host_by_name" plugin was not changed as it's a specific IPA plugin and won't find anything on its subdomains. Related: https://pagure.io/SSSD/sssd/issue/3001 Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com> Reviewed-by: Sumit Bose <sbose@redhat.com>
* cache_req: allow multiple matches for searches by certificateSumit Bose2017-03-101-2/+2
| | | | | | Related to https://pagure.io/SSSD/sssd/issue/3050 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* CACHE_REQ: Only search the given domain when looking up entries by UPNJakub Hrozek2017-03-031-2/+2
| | | | | | | | | | | | | | We were searching UPNs in the whole sysdb, which made cache_req think the result came in from the domain it was searching. The bug manifested when a user from a trusted domain was looked by UPN, then cache_req searched the main domain, the result from subdomain was considered as coming from the main domain and as a result, the getpwnam() output was not qualified. That is a problem, because PAM applications often sanitize the user with getpwnam, so effectively a login with UPN was shortened to just a shortname and failed. Reviewed-by: Sumit Bose <sbose@redhat.com>
* SYSDB: When searching for UPNs, search either the whole DB or only the given ↵Jakub Hrozek2017-03-031-3/+4
| | | | | | | | | | | | | | | | domain The search-by-UPN functions always searched for the whole domain. In some cases, the caller depends on the result coming from the domain specified by the 'domain' parameter. This is the case in the cache_req code at least. Even though it should be safe to just switch to always searching the whole domain, in order to allow us to examine the code carefully and test each codepath, let's introduce a boolean option to the search functions. Currently it defaults to false in all codepaths and as we test the individual ones, we can flip the option to true until we finally remove the option altogether. Reviewed-by: Sumit Bose <sbose@redhat.com>
* cache_req: use own namespace for UPNsSumit Bose2017-03-021-2/+2
| | | | | | | | | | | | | If the UPN use the same domain name as the configured domain an unsuccessful lookup by name will already create an entry in the negative cache. If the lookup by UPN would use the same namespace the lookup will immediately be finished because there would already be an entry in the negative cache. Resolves: https://pagure.io/SSSD/sssd/issue/3313 Reviewed-by: Pavel Březina <pbrezina@redhat.com>
* cache_req: always go to dp first when looking up hostPavel Březina2017-02-081-1/+1
| | | | | | | We need to always lookup host in DP first to update host certificates so we are consinstent during ssh authentication. Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add host by name searchPavel Březina2017-02-081-0/+121
| | | | Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* cache_req: move dp request to pluginPavel Březina2017-02-0820-206/+309
| | | | | | | This will allow to use cache req even for object that do not use account request such as hosts. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* cache_req: search user by name with attrsPavel Březina2017-02-081-2/+29
| | | | | | | Sometime is is desirable to aquire more attribute from user object than SYSDB_PW_ATTRS set. such as user's public key. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* cache_req: add ability to not use default domain suffixPavel Březina2017-02-0819-0/+19
| | | | | | | This will be used in the next plugin "host by name" where it is not desirable to use default domain suffix if set. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
* nss: rewrite nss responder so it uses cache_reqPavel Březina2016-12-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Given the size of the current nss responder it was quite impossible to simply switch into using the cache_req interface, especially because most of the code was duplication of cache lookups. This patch completely rewrites the responder from scratch. The amount of code was reduced to less than a half lines of code with no code duplication, better documentation and better maintainability and readability. All functionality should be intact. *Code organization* All protocol (parsing input message and send a reply) is placed in nss_protocol.c. Functions that deals with creating a reply packet are placed into their specific nss_protocol_$object.c files. All supported commands are placed into nss_cmd.c. Functions that deals with cache req are in nss_get_object.c and nss_enum.c. *Code flow for non-enumeration* An nss_getby_$input-type is called for each non-enumeration command. This function parses the input message, creates a cache_req_data structure and issues nss_get_object that calls cache_req. When this request is done nss_getby_done make sure a reply is sent to the client. *Comments on enumeration* I made some effort to make sure enumeration shares the same code for users, groups, services and netgroups. Netgroups now uses nss negative cache instead of implementing its own. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: allow to search subdomains without fqnPavel Březina2016-12-196-10/+10
| | | | | | | | | | This patch allows plugins that do not require name qualification on multi-domain search to perform lookup also in subdomains. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: make plug-ins definition constPavel Březina2016-12-1919-19/+19
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add object by idPavel Březina2016-12-191-0/+140
| | | | | | | | | This request returns either user or group object. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add object by namePavel Březina2016-12-191-0/+234
| | | | | | | | | This request returns either user or group object. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: allow upn search with attrsPavel Březina2016-12-191-1/+6
| | | | | | | | | | Sometimes we want to get extra attributes when looking up user. For example in object by name search. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: return well known objects in object by sidPavel Březina2016-12-192-1/+139
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: allow to return well known object as resultPavel Březina2016-12-1917-0/+17
| | | | | | | | | | | | | When we are looking name by sid or sid by name we want to be also able to translate well known sid/name into its pair equivalent. This adds the ability to mock cache_req_result if a well known object is found. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add support for netgroupsPavel Březina2016-12-191-0/+155
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add support for services enumerationPavel Březina2016-12-191-0/+103
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add support for service by portPavel Březina2016-12-191-0/+154
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add support for service by namePavel Březina2016-12-191-0/+180
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add group enumerationPavel Březina2016-12-191-0/+102
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add user enumerationPavel Březina2016-12-191-0/+102
| | | | | | | Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add ability to filter domains by enumerationPavel Březina2016-12-1911-0/+11
| | | | | | | | | | | Skip domains without enumeration if a plug-in requires it. This is preparation for enumeration support inside cache_req. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: add ability to gather result from all domainsPavel Březina2016-12-1911-0/+11
| | | | | | | | | This is preparation for enumeration support inside cache_req. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: fix initgroups by namePavel Březina2016-12-191-1/+3
| | | | | | | | | | | If overriden name was provided we stole already freed value. Name is attached to "user" talloc context which we freed before stealing the value. This caused crash in SSSD. Resolves: https://fedorahosted.org/sssd/ticket/3151 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
* cache_req: move from switch to plugins, add pluginsPavel Březina2016-10-2011-0/+1679
This patch adds all existing functionality into plugins. Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
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