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8258 Commits

Author SHA1 Message Date
Werner Koch
9a9cb0257a
scd: Make app_genkey and supporting ISO function more flexible.
* scd/app.c (app_genkey): Add arg keytype.
* scd/app-common.h (struct app_ctx_s): Fitto for the genkey member.
* scd/command.c (cmd_genkey): Adjust for change.
* scd/iso7816.c (do_generate_keypair): Replace arg read_only by new
args p1 and p2.
(iso7816_read_public_key): Adjust for this.
(iso7816_generate_keypair): Add new args p1 and p2.
* scd/app-openpgp.c (do_genkey): Adjust for changes.
--

The OpenPGP card creates keys according to parameters read from a data
object.  Other cards we are about to implement require a direct
specification of the requested keytype.  This patch implements the
required changes.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-02-06 14:07:42 +01:00
Werner Koch
c26af8ac26
scd: Fix parameter name of app_change_key.
* scd/app-common.h (APP_GENKEY_FLAG_FORCE): New.
* scd/app.c (app_change_pin): Rename arg reset_mode to flags and
change from int to unsigned int.
--

This is basically a documentation fix.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-02-06 13:08:37 +01:00
Werner Koch
6c581cc468
doc: Add basic man page for the gpg-card-tool.
--
2019-02-06 10:37:03 +01:00
Werner Koch
e9e876cb55
scd: Implement PIN changing and unblocking for PIV cards.
* scd/app-piv.c: Some refactoring
(do_change_chv): Implement.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-02-06 09:46:23 +01:00
Werner Koch
3231ecdafd
scd: Allow standard keyref scheme for app-openpgp.
* scd/app-openpgp.c (do_change_pin): Allow prefixing the CHVNO with
"OPENPGP."
* tools/card-call-scd.c (scd_change_pin): Change API to use strings.
* tools/gpg-card-tool.c (cmd_passwd): Adjust for change.
(cmd_unblock): Ditto.
--

The generic keyref allows for better error detection in case a keyref
is send to a wrong card.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-02-05 15:01:45 +01:00
Werner Koch
1c0fa3e6f7
card: Implement non-interactive mode.
* tools/card-tool.h (opt): Add field 'initialized'.
* tools/card-call-scd.c (scd_learn): Set it.
* tools/gpg-card-tool.c (main): Reworked.
(dispatch_command): New.
--

This work is not yet finished because most commands need some tweaks
for non-interactive work.  What you already can do are things like:

 $ gpg-card-tool list -- 'auth <oldkey' \
   -- auth --setkey --raw 123456781234567812345678 -- help auth

Which will list the current card, authenticate using a hex encoded key
from the file "oldkey", set the new admin key to "123...78", and print
help for the auth command.  Note that the -- acts as a delimiter
between commands.  To use a double dash as argument to a command the
entire command must be quoted.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-31 18:57:16 +01:00
Werner Koch
da38325740
card: New command 'authenticate'.
* tools/card-tool-misc.c (hex_to_buffer): New.
* tools/gpg-card-tool.c (get_data_from_file): Change to allow returning
a string.
(cmd_authenticate): New.
(cmds): Add command "authenticate".

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-31 16:06:47 +01:00
Werner Koch
1d57450f3e
scd: Add DES authentication for PIV card.
* scd/app-piv.c (flush_cached_data): New.
(auth_adm_key): New.
(set_adm_key): New.
(do_setattr): New.
* scd/command.c (MAXLEN_SETATTRDATA): New.
(cmd_setattr): Add an inquire option.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-31 14:26:17 +01:00
Werner Koch
0107984f9f
card: Cache the results from gpg and gpgsm.
* tools/card-tool-keys.c (keyblock_cache): New var.
(release_keyblock): Factor code out to a new do_release_keyblock.  Add
a cache.
(flush_keyblock_cache): New.
(get_matching_keys): Use the cache.
* tools/gpg-card-tool.c (cmds): Add command "reset".
(interactive_loop): Implement reset.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-30 17:51:32 +01:00
Werner Koch
833f27a6a7
card: Print matching OpenPGP and X.509 data.
* tools/card-tool-keys.c: New.
* tools/Makefile.am (gpg_card_tool_SOURCES): Add file.
* tools/card-tool.h (struct pubkey_s, pubkey_t): New.
(struct userid_s, userid_t): New.
(struct keyblock_s, keyblock_t): New.
* common/util.h (GNUPG_PROTOCOL_): New const
* tools/gpg-card-tool.c (aTest): Add temporary command.
(list_one_kinfo): Print info from gpg and gpgsm.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-30 15:01:34 +01:00
Werner Koch
140fda8c61
gpg: Emit an ERROR status if no key was found with --list-keys.
* g10/keylist.c (list_one): Emit status line.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-30 14:40:26 +01:00
Werner Koch
1fd3d864b4
common: Add kludge to allow silencing gnupg_exec_tool_stream.
* common/exectool.c (read_and_log_buffer_t): Take care of a --quiet
argument.
(gnupg_exec_tool_stream): Ditto.
--

If we pass --quiet to a program it should really shutup and the parent
should be quite as well.
2019-01-30 14:38:37 +01:00
Werner Koch
346a98fabe
gpg: Allow generating Ed25519 key from an existing key.
* g10/misc.c (map_pk_gcry_to_openpgp): Add EdDSA mapping.
--

Due to this missing mapping a "gpg --export --full-gen-key" with
selection "13 - Existing key" did not worked for an ed25519 key.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-30 11:28:14 +01:00
Werner Koch
6ecedd0b25
common: New function decode_c_string.
* common/miscellaneous.c (decode_c_string): New.
--

This is basically a copy from the code we use in gpgme and gpa.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-30 08:28:56 +01:00
Werner Koch
dee0138dc0
doc: Fix typo
--
2019-01-29 22:15:49 +01:00
Werner Koch
c128667b3c
gpg: Implement searching keys via keygrip.
* kbx/keybox-defs.h (struct _keybox_openpgp_key_info): Add field grip.
* kbx/keybox-openpgp.c (struct keyparm_s): New.
(keygrip_from_keyparm): New.
(parse_key): Compute keygrip.
* kbx/keybox-search.c (blob_openpgp_has_grip): New.
(has_keygrip): Call it.
--

This has been marked for too long as not yet working.  However, it is
a pretty useful feature and will come pretty handy when looking for
all keys matching one keygrip.

Can be optimized a lot by storing the keygrip in the meta data.  This
will be done along with the upgrade of KBX for v5 fingerprints.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-29 20:10:11 +01:00
Werner Koch
f382984966
common: Provide some convenient OpenPGP related constants.
* common/openpgpdefs.h (OPENPGP_MAX_NPKEY): New.
(OPENPGP_MAX_NSKEY): New.
(OPENPGP_MAX_NSIG): New.
(OPENPGP_MAX_NENC): New.
* g10/packet.h: Define PUBKEY_MAX using the new consts.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-29 18:20:34 +01:00
Werner Koch
4a1558d0c7
common: New helper functions for OpenPGP curve OIDs.
* common/openpgp-oid.c (openpgp_oidbuf_to_str): Factor most code out
to ...
(openpgp_oidbuf_to_str): new.
(openpgp_oidbuf_is_ed25519): New.
(openpgp_oidbuf_is_cv25519): New.
--

At some places it is more convenient (and faster) to directly work on
buffers and avoid the way via opaque MPIs.  These 3 new functions
allow for that.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-29 18:19:05 +01:00
Werner Koch
79bed504e5
card: Support factory reset for Yubikey PIV application.
* scd/app-common.h (struct app_ctx_s): Add field cardtype.
* scd/app.c (app_new_register): Set cardtype for yubikey.
(app_getattr): Add CARDTYPE.
(app_write_learn_status): Emit new attribute.
* scd/app-piv.c (do_getattr): Add CHV-USAGE.
(do_learn_status): Emit it.
* tools/card-tool.h (struct card_info_s): Add field cardtype.
* tools/card-call-scd.c (learn_status_cb): Parse "CARDTYPE".

* tools/gpg-card-tool.c (list_piv): Print PIN usage policy.
(list_card): Print card type.
(cmd_factoryreset): Implement for Yubikey with PIV.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-29 13:46:52 +01:00
Werner Koch
9325c92284
card: Print keyinfo for PIV cards.
* scd/app-piv.c (do_learn_status): Print CHV-STATUS.
* tools/card-tool.h (struct card_info_s): Rename chvretry to chvinfo.
* tools/card-call-scd.c (learn_status_cb): Depend CHV-STATUS on app
type.
* tools/gpg-card-tool.c (list_piv): New.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-29 09:32:20 +01:00
Werner Koch
237880175f
card: Make printing of key information more flexible.
* tools/card-tool-misc.c: New.
* tools/card-tool.h: Rewored data structures for key infos.
* tools/gpg-card-tool.c: Ditto.
* tools/card-call-scd.c: Ditto.
--

Note that this also changes the way the key information is printed.
Formerly we printed it like:

  Signature key ....: <openpgp-fingerprint>
        created ....: <timestamp>
        keygrip ... : <keygrip>

now we do:

  Signature key ....: <keygrip>
        fingerprint : <openpgp-fingerprint>
        created ....: <timestamp>

This is because a keygrip is always available but a fingerprint and
the creation date are properties of an OpenPGP card.  A standard way
of listing keys is better than one depending on the type of card.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-29 09:32:20 +01:00
NIIBE Yutaka
02a2633a7f agent: Clear bogus pinentry cache, when it causes an error.
* agent/agent.h (PINENTRY_STATUS_*): Expose to public.
(struct pin_entry_info_s): Add status.
* agent/call-pinentry.c (agent_askpin): Clearing the ->status
before the loop, let the assuan_transact set ->status.  When
failure with PINENTRY_STATUS_PASSWORD_FROM_CACHE, it returns
soon.
* agent/findkey.c (unprotect): Clear the pinentry cache,
when it causes an error.

--

GnuPG-bug-id: 4348
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-28 12:58:13 +09:00
Werner Koch
1c92510045
card: Implement the bulk of OpenPGP stuff into gpg-card-tool.
* tools/card-call-scd.c: New.
* tools/card-tool.h: new.
* tools/gpg-card-tool.c: Largely extended.
--

gpg-card-tool will eventually replace the --card-edit command of gpg
because it makes more sense to have a multi-protocol aware tool and
not just one for OpenPGP cards.  Most OpenPGP card things works now
but a few, those which require close interaction with gpg, still need
to be implemented.  And of course the whole planned non-interactive
stuff needs to be written.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-27 20:12:00 +01:00
Werner Koch
54f88afba4
gpg: Fix just changed agent_get_s2k_count.
* g10/call-agent.c (agent_get_s2k_count): Actually return the count.
--

The previous push was definitely a bit to hasty.
Fixes-Commit: ec13b1c562e34c0fcbc7b848ab6dc187b79cf2c1

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-26 23:17:54 +01:00
Werner Koch
ec13b1c562
gpg: Move S2K encoding function to a shared file.
* g10/passphrase.c (encode_s2k_iterations): Move function to ...
* common/openpgp-s2k.c: new file.  Remove default intialization code.
* common/openpgpdefs.h (S2K_DECODE_COUNT): New to keep only one copy.
* g10/call-agent.c (agent_get_s2k_count): Change to return the count
and print an error.
* agent/protect.c: Include openpgpdefs.h
* g10/card-util.c (gen_kdf_data): Adjust for changes
* g10/gpgcompose.c: Include call-agent.h.
(sk_esk): Adjust for changes.
* g10/passphrase (passphrase_to_dek): Adjust for changes.
* g10/main.h (S2K_DECODE_COUNT): Remove macro.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-26 23:10:38 +01:00
Werner Koch
0415b80227
scd: Improve app selection for app "undefined".
* scd/app.c (app_new_register): Don't bail out early in undefined
mode.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-25 19:12:32 +01:00
Werner Koch
c9f4c1f0de
scd: Fix flushing of CA-FPR data objects
* scd/app-openpgp.c (do_setattr): Add new table item to flush a
different tag.

--

For whatever reasons the OpenPGP card reads the 3 CA fingerprints from
one object but sets them individually using 3 different tags.  The
cache flushing was not prepared for this and so a changed CA
fingerprint showed only up after a card reset.  This patch fixes it.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-25 09:38:44 +01:00
NIIBE Yutaka
ae966bbe9b agent: Support --mode=ssh option for CLEAR_PASSPHRASE.
* agent/command.c (cmd_clear_passphrase): Add support for SSH.

--

GnuPG-bug-id: 4340
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-25 12:08:09 +09:00
NIIBE Yutaka
1f8817475f dirmngr: Fix initialization of assuan's nPth hook.
* dirmngr/dirmngr.c (main): Move assuan_set_system_hooks to...
(thread_init): ... here.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-25 10:15:39 +09:00
Werner Koch
055f8854d3
common: Extend function percent_data_escape.
* common/percent.c (percent_data_escape): Add new args prefix and
plus_escape.
* agent/command.c (cmd_put_secret): Adjust for changed function

* common/t-percent.c (test_percent_data_escape): Extend test for the
prefix.
(test_percent_data_escape_plus): new test for the plus escaping.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-24 10:02:52 +01:00
NIIBE Yutaka
fec75a3868 scd: Support PASSWD --clear for OpenPGP card.
* scd/app-openpgp.c (do_change_pin): Implement handling
APP_CHANGE_FLAG_CLEAR.

--

It is specified in the specification version 3.1 or later.  Some
version 2 cards (including Gnuk) support this feature.  Any version 1
card has no support for this feature.

For CHVNO = 1, it clears for both of 81 and 82; That is, user's key
usages for signing and others (decryption and auth).
For CHVNO = 3, it clears for 83, admin key.

For CHVNO = 2, it clears 82; That is, user's key usages
others (decryption and auth).

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-23 12:12:54 +09:00
Werner Koch
f97dc55ff1
gpg: Stop early when trying to create a primary Elgamal key.
* g10/misc.c (openpgp_pk_test_algo2): Add extra check.
--

The problem is that --key-gen --batch with a parameter file didn't
detect that Elgamal is not capable of signing and so an error was only
triggered at the time the self-signature was created.  See the code
comment for details.

GnuPG-bug-id: 4329
Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-22 10:06:15 +01:00
Werner Koch
e6d613711a
card-tool: Add skeleton for new tool
* tools/gpg-card-tool.c: New.
* tools/gpg-card-tool-w32info.rc: New.
* tools/Makefile.am: Add new tool.
--

To support more cards than the OpenPGP card it is useful to have a
separate tool.  It will have have the "gpg --card-edit" style
interactive interface as well as direct command line options for all
commands.  In a first step the OpenPGP card will be supported, to
allow its use as an alternative to the gpg command, and the
forthcoming PIV card support.

The tool can be though as a direct interface to scdaemon.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-22 09:07:24 +01:00
Werner Koch
03cf23b43e
common: Add generic status print function.
* common/status.c (gnupg_set_status_fd): New.
(gnupg_status_printf): New.
* po/Makevars (XGETTEXT_OPTIONS): Add gnupg-status_printf.
--

Some of the extra tools take a --status-fd option to print certain
status messages.  A generic printf style print function thus makes
sense.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-22 09:02:17 +01:00
Werner Koch
fa9d703de5
scd: Support CHV-STATUS and CHECKPIN for PIV.
* scd/app-piv.c (parse_pin_keyref): New.
(get_chv_status): New.
(do_getattr): Add name CHV-STATUS.
(verify_pin): Add arg keyref to support other PINs.
(do_change_pin): New.  Right now limited to --clear.
(do_check_pin): New.
(app_select_piv): Register new commands.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-21 15:01:45 +01:00
Werner Koch
29929e6552
scd: Add option --clear to PASSWD.
* scd/command.c (cmd_passwd): Add option --clear.
(send_status_printf): New.
* scd/app-common.h (APP_CHANGE_FLAG_CLEAR): New.
* scd/app-nks.c (do_change_pin): Return an error if that option is
used.
* scd/app-openpgp.c (do_change_pin): Ditto.
--

Card application may support this option to clear the PIN verification
status of a specific PIN.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-21 14:06:51 +01:00
Werner Koch
ec56996029
scd: Add very basic support for PIV cards.
* scd/app-piv.c: New.
* scd/Makefile.am (card_apps): Add app-piv.c
* scd/app.c (app_new_register): Try to get a Yubikey serial number.
Detect the PIV application.
(get_supported_applications): Add "piv".
--

Right now this allows the use of the authentication key (9A) for SSH
authentication.  More support will follow soon.

Tested with Yubikey-5.
2019-01-20 11:45:57 +01:00
Werner Koch
70bb5c7931
scd: One new and one improved 7816 function.
* scd/apdu.c (apdu_send_direct): New arg R_SW.
* scd/command.c (cmd_apdu): Ditto.
* scd/iso7816.c (iso7816_apdu_direct): New arg R_SW.
(iso7816_general_authenticate): New.
* scd/app-nks.c (get_chv_status, get_nks_version): Pass NULL for new
arg.
--

iso7816_general_authenticate will be used for the PIV card support.
The new arg to iso7816_apdu_direct and apdu_send_direct allows to get
the raw status word back without the need to handle an output buffer.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-20 11:41:23 +01:00
Werner Koch
d93797c8a7
ssh: Simplify the curve name lookup.
* agent/command-ssh.c (struct ssh_key_type_spec): Add field
alt_curve_name.
(ssh_key_types): Add some alternate curve names.
(ssh_identifier_from_curve_name): Lookup also bey alternative names
and return the canonical name.
(ssh_key_to_blob): Simplify the ECDSA case by using gcry_pk_get_curve
instead of the explicit mapping.
(ssh_receive_key): Likewise.  Use ssh_identifier_from_curve_name to
validate the curve name.  Remove the reverse mapping because since
GnuPG-2.2 Libgcrypt 1.7 is required.
(ssh_handler_request_identities): Log an error message.
--

This change will make it easier to support other curves, in particular
those from tokens.  Libgcrypt has a large list of alias names which we
now use to to make the mapping more flexible.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-17 15:58:30 +01:00
NIIBE Yutaka
dafffa95b2 gpg: Report STATUS_NO_SECKEY when it is examined.
* g10/packet.h (struct pubkey_enc_list): Add result.
* g10/mainproc.c (proc_pubkey_enc): Initialize ->result.
(proc_encrypted): Report STATUS_NO_SECKEY status.
* g10/pubkey-enc.c (get_session_key): Set ->result.

--

This change is for GPGME compatibility.  Before this change,
gpgme/tests/json/t-json failed with t-decrypt-verify.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-16 10:27:21 +09:00
Werner Koch
6c000d4b78
doc: Mark keyserver-options timeout and http-proxy as obsolete.
--
2019-01-08 11:21:35 +01:00
NIIBE Yutaka
5ab3bc422a scd: Fix for USB INTERRUPT transfer.
* scd/ccid-driver.c (intr_cb): When LIBUSB_TRANSFER_NO_DEVICE,
just handle this event as failure.

--

It used to try another interrupt transfer request to make sure
if it fails again.

GnuPG-bug-id: 4308
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2019-01-07 14:08:51 +09:00
Werner Koch
405feca2bd
scd: Add two variants to the set of ISO7816 functions.
* scd/iso7816.c (iso7816_select_application_ext): New.
(iso7816_get_data_odd): New.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-03 15:18:15 +01:00
Werner Koch
cca2b87e79
scd: Support "READKEY --advanced" for all cards.
* scd/command.c (cmd_readkey): Reformat for advanced mode.
--

The --advanced option used to work only if the driver supported that
but not if we extracted the public key from an x.509 certificate.
This patch fixes that.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-01-03 15:17:04 +01:00
Werner Koch
3d766924b4
doc: Typo fix in code comment
--
2019-01-02 16:15:25 +01:00
Werner Koch
70a8db0333
wks: Do not use compression for the encrypted data.
* tools/gpg-wks-client.c (encrypt_response): Add arg -z0.
* tools/gpg-wks-server.c (encrypt_stream): Ditto.
--

If for example a server was built without the development packages of
the compression libraries installed, the server will not be able to
decrypt a request.  In theory this can't happen due to the preference
system but it is just to easy to create the server's key using a
different version of gpg and then use gpg-wks-server built
differently.

For the short messages we exchange compression is not really required
and thus we better do without to make the system more robust.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-12-18 08:21:03 +01:00
NIIBE Yutaka
e6b7e0ff99 scd: Fix description string.
* scd/app-openpgp.c (data_objects): Capitalize the word for usage.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-12-18 10:26:57 +09:00
Werner Koch
40c307fa8d
Silence a few compiler warnings new with gcc 8.
* dirmngr/dns.c: Include gpgrt.h.  Silence -Warray-bounds also gcc.
* tools/gpg-pair-tool.c (command_respond): Init two vars to silence
gcc.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-12-17 18:46:26 +01:00
NIIBE Yutaka
ebf775eb16 card: Suppress error message by agent_scd_cardlist.
* g10/call-agent.c (agent_scd_cardlist): Add
FLAG_FOR_CARD_SUPPRESS_ERRORS.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-12-12 10:28:51 +09:00
Werner Koch
cbcc8c1954
agent: Make the S2K calibration time runtime configurabe.
* agent/protect.c (s2k_calibration_time): New file global var.
(calibrate_s2k_count): Use it here.
(get_calibrated_s2k_count): Replace function static var by ...
(s2k_calibrated_count): new file global var.
(set_s2k_calibration_time): New function.
* agent/gpg-agent.c (oS2KCalibration): New const.
(opts): New option --s2k-calibration.
(parse_rereadable_options): Parse that option.
--

Note that using an unrelistic high value (like 60000) takes quite some
time for calibration.

GnuPG-bug-id: 3399
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-12-11 18:12:51 +01:00