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agent: First changes to support a PIN cache for scdaemon.

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* agent/agent.h (CACHE_MODE_PIN): New.
* agent/cache.c (housekeeping): Special handling of new new mode.
(agent_flush_cache): Ditto.  Add arg 'pincache_only' and change
caller.
(agent_put_cache): Support new mode.
(agent_get_cache): Ditto.
* agent/call-scd.c (wait_child_thread): Flush the entire PIN cache.
(start_scd): Ditto.
(agent_card_killscd): Ditto.
(handle_pincache_put): New.  Uses a dummy encryption key for now.
(pincache_put_cb): New.
(inq_needpin): Prepare for PINCACHE_GET inquiry.
(learn_status_cb): Handle the PINENTRY_PUT status line.
(get_serialno_cb): Ditto
(agent_card_pksign): Ditto.
(padding_info_cb): Ditto.
(agent_card_readcert): Ditto.
(agent_card_readkey): Ditto.
(agent_card_writekey): Ditto.
(card_getattr_cb): Ditto.
(card_cardlist_cb): Ditto.
(card_keyinfo_cb): Ditto.
(pass_status_thru): Ditto.
--

Take care: This is not finished.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-01-07 18:36:18 +01:00
parent 41a8824436
commit d5c00354bb
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GPG key ID: E3FDFF218E45B72B
4 changed files with 217 additions and 29 deletions
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2
agent/gpg-agent.c
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@ -2434,7 +2434,7 @@ agent_sighup_action (void)
log_info ("SIGHUP received - "
"re-reading configuration and flushing cache\n");
agent_flush_cache ();
agent_flush_cache (0);
reread_configuration ();
agent_reload_trustlist ();
/* We flush the module name cache so that after installing a