* findkey.c (agent_write_private_key,agent_key_from_file)
(agent_key_available): Use GNUPG_PRIVATE_KEYS_DIR constant.
* gpg-agent.c (main): Use GNUPG_DEFAULT_HOMEDIR constant.
* protect-tool.c (store_private_key): New.
(import_p12_file): Store the new file if requested.
(main): New options --force and --store.
* gpg-agent.c (main): Set a global flag when runing detached.
* query.c (start_pinentry): Pass the list of FD to keep in the
child when not running detached.
* call-scd.c (start_scd): Ditto.
* query.c (agent_askpin): Use the callback to check for a correct
PIN. Removed the start_err_text argument becuase it is not
anymore needed; changed callers.
* findkey.c (unprotect): Replace our own check loop by a callback.
(try_unprotect_cb): New.
* genkey.c (reenter_compare_cb): New.
(agent_genkey): Use this callback here. Fixed setting of the pi2
variable and a segv in case of an empty PIN.
* divert-scd.c (getpin_cb): Removed some unused stuff and
explained what we still have to change.
* gpgsm.c: New command --learn-card
* call-agent.c (learn_cb,gpgsm_agent_learn): New.
* gpgsm.c (main): Print error messages for non-implemented commands.
agent/
* learncard.c: New.
* divert-scd.c (ask_for_card): The serial number is binary so
convert it to hex here.
* findkey.c (agent_write_private_key): New.
* genkey.c (store_key): And use it here.
scd/
* pkdecrypt.c (agent_pkdecrypt): Changed the way the diversion is done.
* divert-scd.c (divert_pkdecrypt): Changed interface and
implemented it.
used and divert the operation in this case.
* pkdecrypt.c (agent_pkdecrypt): Likewise
* findkey.c (agent_key_from_file): Add optional arg shadow_info
and have it return information about a shadowed key.
* protect.c (agent_get_shadow_info): New.
* protect.c (snext,sskip,smatch): Moved to
* sexp-parse.h: new file.
* divert-scd.c: New.
