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6 Commits

Author SHA1 Message Date
Werner Koch
56ca164684
dirmngr: Add command "GETINFO stats".
* dirmngr/server.c (cmd_getinfo): New sub-command "stats".
(dirmngr_status_helpf): Allow for a CTRL of NULL.
* dirmngr/certcache.c (cert_cache_print_stats): Add arg ctrl and use
dirmngr_status_helpf.  Adjust all callers.
* dirmngr/domaininfo.c (domaininfo_print_stats): Ditto.

* sm/certchain.c (ask_marktrusted): Flush stdout before printing the
fingerprint.
2023-03-10 11:24:48 +01:00
Werner Koch
e100ace7f8
dirmngr: Improve domaininfo cache update algorithm.
* dirmngr/domaininfo.c (struct domaininfo_s): Add field keepmark.
(insert_or_update): Implement new update algorithm.

--

The old algorithm limited the length of a bucket chain by purging the
last 50% or the entries.  Thus the first domains entered into the
cache were never purged.  The new algorithm is a bit better: It also
limits the chain length on overflow to 50% but tries to keep the
entries indicating that a WKD is available in the cache.  If there is
still space to keep more, those which clearly do not support WKD are
also kept.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-04-02 13:22:32 +02:00
Werner Koch
914fa3be22
dirmngr: Support the new WKD draft with the openpgpkey subdomain.
* dirmngr/server.c (proc_wkd_get): Implement new openpgpkey subdomain
method.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-11-13 11:35:39 +01:00
Werner Koch
d4e2302d8f
dirmngr: Check for WKD support at session end
* dirmngr/domaininfo.c (insert_or_update): Copy the name.
* dirmngr/misc.c (copy_stream): Allow arg OUT to be NULL.
* dirmngr/server.c (set_error): Protect CTX.
(dirmngr_status): Protect against missing ASSUAN_CTX.
(dirmngr_status_help): Ditto.
(dirmngr_status_printf): Ditto.
(cmd_wkd_get): Factor code out to ...
(proc_wkd_get): new func.  Support silent operation with no CTX.
(task_check_wkd_support): New.
--

This finalizes the feature to efficiently cache WKD checks.  If a
standard WKD query returns no data, we queue a test to be run after
the end of the session (so that we do not delay the calling client).
This check tests whether the server responsible for the queried
address has WKD at all enabled.  The test is done by checking whether
the "policy" file exists.  We do not check the "submission-address"
file because that is not necessary for the web key operation.  The
policy file is now required.

Signed-off-by: Werner Koch <wk@gnupg.org>
2017-11-14 16:24:12 +01:00
Werner Koch
26f08343fb
dirmngr: Limit the number of cached domains for WKD.
* dirmngr/domaininfo.c (MAX_DOMAINBUCKET_LEN): New.
(insert_or_update): Limit the length of a bucket chain.
(domaininfo_print_stats): Print just one summary line.

Signed-off-by: Werner Koch <wk@gnupg.org>
2017-11-14 09:04:52 +01:00
Werner Koch
65038e6852
dirmngr: Keep track of domains used for WKD queries
* dirmngr/domaininfo.c: New file.
* dirmngr/Makefile.am (dirmngr_SOURCES): Add file.
* dirmngr/server.c (cmd_wkd_get): Check whether the domain is already
known and tell domaininfo about the results.
--

This adds a registry for domain information to eventually avoid
useless queries for domains which do not support WKD.  The missing
part is a background task to check whether a queried domain supports
WKD at all and to expire old entries.

Signed-off-by: Werner Koch <wk@gnupg.org>
2017-11-13 16:09:32 +01:00