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gnupg/dirmngr
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Michał Górny ecfc4db3a2
dirmngr: Handle failures related to missing IPv6 gracefully 
* dirmngr/ks-engine-hkp.c (handle_send_request_error): Handle two more
error codes.

--
Handle the two possible connect failures related to missing IPv6 support
gracefully by marking the host dead and retrying with another one.
If IPv6 is disabled via procfs, connect() will return EADDRNOTAVAIL.
If IPv6 is not compiled into the kernel, it will return EAFNOSUPPORT.
This makes it possible to use dual-stack hkp servers on hosts not having
IPv6 without random connection failures.

GnuPG-bug-id: 3331

--

The above description seems to be for Linux, so it is possible that
other systems might behave different.  However, it is worth to try
this patch.

Signed-off-by: Werner Koch <wk@gnupg.org>
 		2018-02-22 20:46:51 +01:00
..
ChangeLog-2011 Fix spelling. 2017-02-21 13:11:46 -05:00
ChangeLog-2011-ks Remove the obsolete keyserver directory from the repo. 2015-04-20 18:20:45 +02:00
Makefile.am dirmngr: Add a background task framework. 2017-12-11 11:30:45 +01:00
OAUTHORS Nuked almost all trailing white space. 2011-02-04 12:57:53 +01:00
ONEWS Nuked almost all trailing white space. 2011-02-04 12:57:53 +01:00
cdb.h Tweaks for gpgconf. 2010-12-14 19:17:58 +00:00
cdblib.c g10, sm, dirmngr, common: Add comment for fall through. 2017-05-10 11:13:12 +09:00
certcache.c dirmngr: Use system certs if --hkp-cacert is not used. 2017-09-18 22:49:05 +02:00
certcache.h dirmngr: Use system certs if --hkp-cacert is not used. 2017-09-18 22:49:05 +02:00
crlcache.c dirmngr: Fix double free of a hash context in the error case. 2017-11-17 10:38:46 +01:00
crlcache.h move some file encodings to UTF-8 2016-09-17 15:57:31 +09:00
crlfetch.c dirmngr: New option --disable-ipv6 2017-04-03 20:56:12 +02:00
crlfetch.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
dirmngr-client.c Fix usage of ARGPARSE_OPTS. 2017-07-19 13:41:18 +09:00
dirmngr-err.h Some work on porting dirmngr (unfinished) 2010-07-16 13:19:45 +00:00
dirmngr.c Change backlog from 5 to 64 and provide option --listen-backlog. 2017-12-12 14:14:40 +01:00
dirmngr.h dirmngr: Add a background task framework. 2017-12-11 11:30:45 +01:00
dirmngr_ldap.c dirmngr: Reduce default LDAP timeout to 15 seconds. 2017-11-07 10:05:18 +01:00
dns-stuff.c dirmngr: This towel should better detect a changed resolv.conf. 2017-05-25 20:26:54 +02:00
dns-stuff.h Spelling fixes in docs and comments. 2017-04-28 10:06:33 +09:00
dns.c dirmngr: Add annotation for fallthrough. 2017-07-25 11:49:23 +09:00
dns.h dirmngr: New libdns snapshot 2016-12-14 15:56:58 +01:00
domaininfo.c dirmngr: Check for WKD support at session end 2017-12-11 11:31:15 +01:00
http-common.c dirmngr: Fix commit de6d8313 2017-03-03 17:17:26 +01:00
http-common.h dirmngr: Rearrange files to fix de6d831. 2017-03-02 18:35:03 +01:00
http-ntbtls.c dirmngr: Use system certs if --hkp-cacert is not used. 2017-09-18 22:49:05 +02:00
http.c dirmngr,w32: Fix http connection timeout problem. 2017-07-31 13:12:37 +02:00
http.h dirmngr: Honor http keyserver URLs. 2017-07-18 13:56:33 +02:00
ks-action.c dirmngr: Check for WKD support at session end 2017-12-11 11:31:15 +01:00
ks-action.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
ks-engine-finger.c dirmngr: Implement HTTP connect timeouts of 15 or 2 seconds. 2017-06-08 09:37:36 +02:00
ks-engine-hkp.c dirmngr: Handle failures related to missing IPv6 gracefully 2018-02-22 20:46:51 +01:00
ks-engine-http.c dirmngr: Do not follow https-to-http redirects. 2017-10-19 15:32:38 +02:00
ks-engine-kdns.c Remove -I option to common. 2017-03-07 20:25:54 +09:00
ks-engine-ldap.c Remove -I option to common. 2017-03-07 20:25:54 +09:00
ks-engine.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
ldap-parse-uri.c Remove -I option to common. 2017-03-07 20:25:54 +09:00
ldap-parse-uri.h Remove -I option to common. 2017-03-07 20:25:54 +09:00
ldap-url.c dirmngr: Simplify strtok macro. 2014-03-07 19:00:31 +01:00
ldap-url.h Merged Dirmngr with GnuPG. 2010-06-09 16:53:51 +00:00
ldap-wrapper-ce.c dirmngr,w32: Fix ldap crl read on windows 2017-05-15 12:49:39 +02:00
ldap-wrapper.c Spelling fixes in docs and comments. 2017-04-28 10:06:33 +09:00
ldap-wrapper.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
ldap.c dirmngr: More minor fixes. 2017-07-24 15:35:34 +09:00
ldapserver.c Improve spelling and grammar of some comments. 2015-03-23 19:58:30 +01:00
ldapserver.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
loadswdb.c Change license of some files to LGPLv2.1. 2017-06-19 12:42:13 +02:00
misc.c dirmngr: Check for WKD support at session end 2017-12-11 11:31:15 +01:00
misc.h dirmngr: Rearrange files to fix de6d831. 2017-03-02 18:35:03 +01:00
ocsp.c dirmngr: New option --disable-ipv6 2017-04-03 20:56:12 +02:00
ocsp.h Merged Dirmngr with GnuPG. 2010-06-09 16:53:51 +00:00
server.c common: Use new function to print status strings. 2018-02-14 12:21:44 +01:00
sks-keyservers.netCA.pem dirmngr: Add support for hkps keyservers. 2014-05-05 16:23:37 +02:00
t-dns-stuff.c Remove -I option to common. 2017-03-07 20:25:54 +09:00
t-http.c dirmngr: Do not use a blocking connect in Tor mode. 2017-07-26 13:48:27 +02:00
t-ldap-parse-uri.c Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
t-support.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
tls-ca.pem Move http module from common/ to dirmngr/. 2015-10-18 20:08:26 +02:00
validate.c Spelling fixes in docs and comments. 2017-04-28 10:06:33 +09:00
validate.h dirmngr: Add special treatment for the standard hkps pool to ntbtls. 2017-02-21 14:55:04 +01:00
w32-ldap-help.h Change all http://www.gnu.org in license notices to https:// 2016-11-05 12:02:19 +01:00
workqueue.c dirmngr: Add a background task framework. 2017-12-11 11:30:45 +01:00