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* Honor the TTL value of SRV record lookupsJakub Hrozek2011-07-131-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | Add new resolv_hostent data structure and utility functions Resolve hosts by name from files into resolv_hostent Resolve hosts by name from DNS into resolv_hostent Switch resolver to using resolv_hostent and honor TTL Conflicts: src/providers/fail_over.c Provide TTL structure names for c-ares < 1.7 https://fedorahosted.org/sssd/ticket/898 In c-ares 1.7, the upstream renamed the addrttl/addr6ttl structures to ares_addrttl/ares_addr6ttl so they are in the ares_ namespace. Because they are committed to stable ABI, the contents are the same, just the name changed -- so it is safe to just #define the new name for older c-ares version in case the new one is not detected in configure time.
* Remove detection of duplicates from SRV result processingJakub Hrozek2011-04-111-9/+0
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* Do not attempt to resolve nameless serverssssd-1.5.1-24.el6Jakub Hrozek2011-04-011-1/+1
| | | | | | | | | | | The failover code is not strictly in charge of resolving. Its main function is to provide a server to connect to for a service. It is legal, although not currently used, to have a server that has no name (server->common == NULL). In this case, no resolving should be done and it is assumed that the failover user, which are the SSSD back ends in our case, would perform any resolving out of band, perhaps using the user_data attribute of fo_server structure.
* Run callbacks if server IP changesJakub Hrozek2011-03-091-0/+9
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* Always expire host name resolutionJakub Hrozek2011-03-081-8/+7
| | | | | | The previous version of the patch only expired a resolved host name if the port was being reset. We want to always expire it so we notice IP address changes even if the previous server is still up.
* Prevent segfault in failover codeJakub Hrozek2011-03-071-2/+3
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* Reset server status after timeoutJakub Hrozek2011-03-071-1/+11
| | | | https://fedorahosted.org/sssd/ticket/809
* Rename dns_domain to discovery domain for fo_add_srv_server()Stephen Gallagher2011-01-211-7/+11
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* Allow fallback to SSSD domainStephen Gallagher2011-01-211-4/+44
| | | | | | | | | | | | | | | | | | | | | For backwards-compatibility with older versions of the SSSD (such as 1.2.x), we need to be able to have our DNS SRV record lookup be capable of falling back to using the SSSD domain name as the DNS discovery domain. This patch modifies our DNS lookups so that they behave as follows: If dns_discovery_domain is specified, it is considered authoritative. No other discovery domains will be attempted. If dns_discovery_domain is not specified, we first attempt to look up the SRV records using the domain portion of the machine's hostname. If this returns "NOTFOUND", we will try performing an SRV record query using the SSSD domain name as the DNS discovery domain. https://fedorahosted.org/sssd/ticket/754
* Rename SRV_NOT_RESOLVED to SRV_RESOLVE_ERRORSumit Bose2011-01-051-5/+5
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* Use the right status when resetting service discoverySumit Bose2011-01-051-1/+1
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* Fix incorrect return value on failure in resolve_get_domain_send()Sumit Bose2010-12-141-0/+1
| | | | https://fedorahosted.org/sssd/ticket/721
* Fix improper NULL check in fo_add_srv_server()Sumit Bose2010-12-141-1/+2
| | | | https://fedorahosted.org/sssd/ticket/717
* Run checks before resetting offline stateSumit Bose2010-12-011-0/+17
| | | | | | | | | | | | Before setting the backend to online during a reset offline request the check_online method if the ID provider is called. If the check_online method returns that the ID provider is still not reachable the backend stays offline. Otherwise the backend is switched to online and the related callbacks are run. Additionally the check online test is called during the res_init request because a change in /etc/resolve.conf might also make a server reachable which was assumed offline before.
* Allow protocol fallback for SRV queriesJakub Hrozek2010-12-011-2/+2
| | | | https://fedorahosted.org/sssd/ticket/691
* fix typo in get_server_status()Sumit Bose2010-11-241-1/+1
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* Fixed small issue in memory context hierarchyJan Zeleny2010-09-071-1/+1
| | | | | In fail_over.c, there was a small bug causing subrequest to have wrong parent memory context. This patch fixes it.
* Return proper error value when SRV lookup failsJakub Hrozek2010-08-031-1/+1
| | | | Fixes: #587
* Add an interface to try next fail-over server after connection to the active ↵eindenbom2010-07-091-0/+21
| | | | server was unexpectedly dropped.
* Added an interface to query number of configured (and currently resolved ↵eindenbom2010-07-091-0/+13
| | | | through SRV records) failover servers.
* Add dns_discovery_domain optionJakub Hrozek2010-06-301-22/+176
| | | | | | | | | | | | The service discovery used to use the SSSD domain name to perform DNS queries. This is not an optimal solution, for example from the point of view of authconfig. This patch introduces a new option "dns_discovery_domain" that allows to set the domain part of a DNS SRV query. If this option is not set, the default behavior is to use the domain part of the machine's hostname. Fixes: #479
* Fix Incorrect NULL check in get_server_common()Jakub Hrozek2010-06-091-1/+1
| | | | Fixes: #518
* Fix potential NULL dereference in fail_over.cJakub Hrozek2010-06-091-2/+5
| | | | Fixes: #505
* Fix uninitialized variableJakub Hrozek2010-05-031-0/+1
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* Support SRV servers in failoverJakub Hrozek2010-04-301-51/+509
| | | | | | | | | | | | | | | Adds a new failover API call fo_add_srv_server that allows the caller to specify a server that is later resolved into a list of specific servers using SRV requests. Also adds a new failover option that specifies how often should the servers resolved from SRV query considered valid until we need a refresh. The "real" servers to connect to are returned to the user as usual, using the fo_resolve_service_{send,recv} calls. Make SRV resolution work with c-ares 1.6
* Remove freed server_common entities from listJakub Hrozek2010-04-301-1/+24
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* Treat server names as case-insensitive in failover codeJakub Hrozek2010-04-261-2/+2
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* Restrict family lookupsJakub Hrozek2010-02-221-9/+16
| | | | | | | Adds a new option that tells resolver which address family to prefer or use exclusively. Fixes: #404
* Rename server/ directory to src/Stephen Gallagher2010-02-181-0/+651
Also update BUILD.txt
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