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* Remove duplicated line.reyk2016-06-181-2/+1
| | | | OK eric@
* typo fixes; Anthony Coultersthen2016-05-271-2/+2
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* Calculate elapsed time in poll() and subtract that from the remaining timejmatthew2016-05-261-4/+19
| | | | | | | | | | when restarting poll() after receiving a signal. The ruby runtime send signals to threads periodically, so without accounting for elapsed time, the timeout would never expire if we didn't get a response from a nameserver. ok deraadt@ eric@
* Avoid a possible double-free if the "search" keyword is used multiple times.eric2016-02-241-2/+4
| | | | ok jca@ gilles@
* Remove support for HOSTALIASES from the resolver. This "open and parsederaadt2015-12-161-48/+1
| | | | | | | | any file indicated by an environment variable" feature inside the resolver is incompatible with what pledge "dns" is trying to be. It is a misguided "feature" added way back in history which almost noone uses, but everyone has to assume the risk from. ok eric florian kettenis
* Remove support for "lookup yp" in /etc/resolv.conf. This historicalderaadt2015-11-231-4/+4
| | | | | | | | wart is incompatible with pledge, because suddenly a "dns" operation needs "getpw" access to ypbind/ypserv, etc. file + dns access is enough for everyone, sorry if you were using that old SunOS 4.x style mechanism, but it is now gone. ok semarie millert florian
* We are always using _PATH_RESCONF, so no need to remember the path oneric2015-10-281-14/+4
| | | | | | the resolver. ok millert@ deraadt@
* Remove support for [addr]:port syntax from the "nameserver" line.deraadt2015-10-281-22/+1
| | | | | | | This extension never made it to other systems. (pledge is also happy with this. The idea of DNS @ any port collides with pledge encouraring differentiation between DNS and non-DNS sockets) ok phessler jung sthen kettenis
* getaddrinfo_async() shouldn't unconditionally intialize the resolverderaadt2015-10-071-1/+7
| | | | | | via _asr_use_resolver(). If the hint specifies for AI_NUMERICHOST, create a transient lookup context which won't try to open /etc/reslov.conf ok eric guenther
* Initially eric developers asr as a side-load style library for async DNS.deraadt2015-10-031-63/+13
| | | | | | | When it was integrated as the main resolver, a bunch of strange initialization code remained. Start whittling away at this, piece by piece, to make it more clear. ok eric
* missing asr* -> _asr* symbol rename for building with debug codeeric2015-10-031-5/+5
| | | | ok jca@
* remove bogus includes of err.heric2015-09-201-2/+1
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* use _PATH_RESCONF directlyeric2015-09-201-3/+2
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* Wrap <asr.h> so internal calls go direct and all the symbols are weakguenther2015-09-141-1/+3
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* Hide all unnecessary asr / resolver related API with _ prefixes.deraadt2015-09-091-26/+26
| | | | direction & ok guenther
* use _PATH_RESCONFderaadt2015-09-021-2/+2
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* make sure to check for resolv.conf update the first time the resolvereric2015-06-041-1/+9
| | | | | | is used after pid has changed. ok deraadt@
* fix a possible off-by-one when reading /etc/hosts if it doesn't enderic2015-05-291-2/+9
| | | | | | with a newline. ok jca@
* simply use _PATH_HOSTS where appropriateeric2015-05-261-4/+1
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* Move to the <limits.h> universe.deraadt2015-01-161-1/+2
| | | | review by millert, binary checking process with doug, concept with guenther
* When fopen()ing internal to libc (the API doesn't support the useguenther2014-09-151-3/+3
| | | | | | | of the resulting FILE *), then pass fopen() the 'e' mode letter to mark it close-on-exec. ok miod@
* Make the asr API public. Install asr.h to /usr/include.h and manpages.eric2014-03-261-3/+4
| | | | | | Include tweaks suggested by mpi@ ok deraadt@
* Cleanup and simplify the API to be exposed. Use better names foreric2014-03-251-18/+20
| | | | | | structures, functions and defines. discussed with and ok deraadt@ guenther@
* Make some symbols static and prefix all visible symbols with asr_eric2013-07-121-22/+22
| | | | | | to prevent collisions with third-party programs. suggested by sthen@, ok theo@
* Move search domain iteration code in res_search_async.c where it belongs.eric2013-06-011-108/+1
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* Make hostaliases work for gethostbyname() and getaddrinfo() wheneric2013-06-011-20/+1
| | | | | | looking into /etc/hosts. Remove the alias check from the search domain iteration. Instead, take a shortcut to res_query_async_ctx() in res_search_async_ctx().
* Update asr_hostaliases() to make all necessary checks in the function.eric2013-06-011-13/+12
| | | | | Explicitely check for issetguid() before calling getenv(). Also make asr_hostalias() callable from other parts of asr too.
* iterating over the ns list only matters for res_send_async.c, so moveeric2013-06-011-32/+1
| | | | things around.
* Add minimal support for _res setup and update.eric2013-05-271-4/+4
| | | | | | | | Change res_init() to initialize the _res structure on first call, and udpate the global async context if changes were made by the user. All resolver functions now call res_init() internally. fixes issue spotted by otto@
* Do not take external buffers for storing DNS responses in the internaleric2013-04-301-2/+2
| | | | | async API. That is actually useless and it makes the code more complicated. The required buffers are always allocated when needed.
* check return value of strdup(), fix mem leak in error path and takeotto2013-04-171-10/+17
| | | | into account that asr_use_resolver() can return NULL; ok tedu@ eric@
* give a timespec a name that is easier to verifyderaadt2013-04-171-5/+5
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* Proper access of _THREAD_PRIVATE storage. Avoids a mem leak and reinitotto2013-04-111-3/+3
| | | | | of resolver context for each resolver call for single threaded programs. With and ok tedu@ ok eric@
* If more than one lookup line is found in resolv.conf, the latest oneeric2013-04-011-18/+9
| | | | | | takes precedence. Simplify code while there. suggested by deraadt@
* properly check for domain name truncation at various places and faileric2013-04-011-12/+18
| | | | | | if that happens. prodded by deraadt@
* space cleanup; ok ericderaadt2013-04-011-6/+6
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* Principle of least astonishment: implement nameserver retry/backoff aseric2013-03-311-3/+9
| | | | in the former resolver.
* Do not assume local nameserver if resolv.conf doesn't exist, just useeric2013-03-301-2/+2
| | | | | | /etc/hosts. discussed with deraadt@
* don't ever skip reload the very first time; detective work by rpe@; ok eric@otto2013-03-301-2/+2
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* Only use the search domains for DNS lookups, as the current resolver does.eric2013-03-271-3/+1
| | | | | Better not diverge too much in behavior at this point. Typo fix and doc update while there.
* knferic2012-11-241-24/+24
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* tweak optionseric2012-09-091-5/+10
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* allow to disable some features at build timeeric2012-09-091-5/+48
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* cleanup asr_debug.ceric2012-09-091-6/+6
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* use proper macros for debug traces.eric2012-09-091-91/+38
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* return value has no use; make it void.eric2012-09-071-23/+18
| | | | fix comment.
* config parsing is done in one pass now. no need to use callback anymore.eric2012-09-061-11/+9
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* add a strsplit() helper to factorize code a bit.eric2012-09-061-28/+24
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* Get rid of the hostaddr_async subquery and merge its behavioureric2012-09-051-10/+3
| | | | | directly into getaddrinfo_async_run. Simplifies everything by a great deal.
* Make hostaddr_async() return a linked list of struct addrinfo. Firsteric2012-09-051-9/+7
| | | | | | round of a getaddrinfo_async() simplification. The goal is to make YP support easier to add, and eventually remove the whole hostaddr_async subquery.
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