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Commit Graph

9493 Commits

Author SHA1 Message Date
Daniel Kahn Gillmor
ef540d1af0 doc: fix spelling mistakes
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2018-10-24 14:39:56 -04:00
Werner Koch
bafcf70951
agent: Fix possible uninitalized use of CTX in simple_pwquery.
* common/simple-pwquery.c (agent_open): Clear CTX even on early error.
--

GnuPG-bug-id: 4223
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-24 20:22:17 +02:00
Werner Koch
2bdc4b6ed9
agent: Fix possible release of unitialize var in a genkey error case.
* agent/command.c (cmd_genkey): Initialize 'value'.
--

GnuPG-bug-id: 4222
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-24 20:16:26 +02:00
Werner Koch
7385e1babf
ssh: Fix possible infinite loop in case of an read error.
* agent/command-ssh.c (ssh_handler_add_identity): Handle other errors
than EOF.
--

GnuPG-bug-id: 4221
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-24 20:11:33 +02:00
Werner Koch
378719f25f
tools: Fix FILE memory leak in gpg-connect-agent.
* tools/gpg-connect-agent.c (do_open): dup the fileno and close the
stream.

GnuPG-bug-id: 4220
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-24 20:04:52 +02:00
Werner Koch
793fd8d876
sm: Use the correct string in an error message.
* sm/gpgsm.c (main): Fix error message.
--

GnuPG-bug-id: 4219
2018-10-24 19:55:19 +02:00
Werner Koch
64a1e86fc0
gpg: Unfinished support for v5 signatures.
* g10/parse-packet.c (parse_signature): Allow for v5 signatures.
* g10/sig-check.c (check_signature_end_simple): Support the 64bit v5
byte count.
* g10/sign.c (hash_sigversion_to_magic): Ditto.
(write_signature_packets): Request v5 sig for v5 keys.  Remove useless
condition.
(make_keysig_packet): Request v5 sig for v5 keys.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-24 16:18:27 +02:00
Werner Koch
3b88bceb4d
indent: Modernize g10/sign.c
--
2018-10-24 16:00:20 +02:00
Werner Koch
256a280c51
dirmngr: Prepare for updated WKD specs with ?l= param
* dirmngr/server.c (proc_wkd_get): Tack the raw local address to the
request.
--

We append the raw non-canonicalized local address part to the hash.
Servers who serve the requests from static files will ignore the
parameters and a test with posteo shows that also services using a
database ignore the parameter.  The general idea is that service
providers may use their own canonicalization rules.  The problem is
that we currently filter the returned key for the full mail address
and thus we will never see a key if the service did a different
canonicalization than we.  So consider this to be an experiment.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-22 20:13:08 +02:00
Werner Koch
68b8096b66
agent: Fix build regression for Windows.
* agent/command-ssh.c (get_client_info): Turn client_uid into an int.
Fix setting of it in case of a failed getsocketopt.
* agent/command.c (start_command_handler): Fix setting of the pid and
uid for Windows.
--

Fixes-commit: 28aa689058
which obviously was only added to master.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-22 17:24:58 +02:00
Werner Koch
0a7f446c18
dirmngr: In verbose mode print the OCSP responder id.
* dirmngr/ocsp.c (ocsp_isvalid): Print the responder id.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-22 14:23:11 +02:00
Werner Koch
f03928b16c
tools: Replace duplicated code in mime-maker.
* tools/rfc822parse.c (HEADER_NAME_CHARS): New.  Taken from
mime-maker.c.
(rfc822_valid_header_name_p): New.  Based on code from mime-maker.c.
(rfc822_capitalize_header_name): New.  Copied from mime-maker.c.
(capitalize_header_name): Remove.  Replace calls by new func.
(my_toupper, my_strcasecmp): New.
* tools/mime-maker.c: Include rfc822parse.h.
(HEADER_NAME_CHARS, capitalize_header_name): Remove.
(add_header): Replace check and capitalization by new functions.
--

This is a straightforward change with two minor chnages:

- In rfc822parse.c the capitalization handles MIME-Version special.
- The check in mime-maker bow detects a zero-length name as invalid.

my_toupper and my_strcasecmp are introduced to allow standalone use
of that file.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-15 11:45:14 +02:00
NIIBE Yutaka
78f542e1f4 scd: Fix signing authentication status.
* scd/app-openpgp.c (do_sign): Clear DID_CHV1 after signing.

--

We have a corner case: In "not forced" situation and authenticated,
and it is changed to "forced", card implementaiton can actually accept
signing, but GnuPG requires authentication, because it is "forced".

GnuPG-bug-id: 4177
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-10-15 11:10:15 +09:00
NIIBE Yutaka
4ed941ff26 agent: Fix message for ACK button.
* agent/divert-scd.c (getpin_cb): Display correct message.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-10-12 11:36:59 +09:00
NIIBE Yutaka
7a5a4c4cac scd: Support "acknowledge button" feature.
* scd/apdu.c (set_prompt_cb): New member function.
(set_prompt_cb_ccid_reader): New function.
(open_ccid_reader): Initialize with set_prompt_cb_ccid_reader.
(apdu_set_prompt_cb): New.
* scd/app.c (lock_app, unlock_app): Add call to apdu_set_prompt_cb.
* ccid-driver.c (ccid_set_prompt_cb): New.
(bulk_in): Call ->prompt_cb when timer extension.
* scd/command.c (popup_prompt): New.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-10-11 15:41:49 +09:00
NIIBE Yutaka
827529339a agent: Support --ack option for POPUPPINPADPROMPT.
* agent/divert-scd.c (getpin_cb): Support --ack option.

--

We are now introducing "acknowledge button" feature to scdaemon,
so that we can support OpenPGPcard User Interaction Flag.

We will (re)use the mechanism of POPUPPINPADPROMPT for this.  Perhaps,
we will change the name of POPUPPINPADPROMPT, since it will be no
longer for PINPAD only.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-10-11 13:37:24 +09:00
Werner Koch
150a33df41
gpg: Don't take the a TOFU trust model from the trustdb,
* g10/tdbio.c (tdbio_update_version_record): Never store a TOFU model.
(create_version_record): Don't init as TOFU.
(tdbio_db_matches_options): Don't indicate a change in case TOFU is
stored in an old trustdb file.
--

This change allows to switch between a tofu and pgp or tofu+pgp trust
model without an auto rebuild of the trustdb.  This also requires that
the tofu trust model is requested on the command line.  If TOFU will
ever be the default we need to tweak the model detection via TM_AUTO
by also looking into the TOFU data base,

GnuPG-bug-id: 4134
2018-10-10 11:46:16 +02:00
Werner Koch
b6275f3bda
gpg: Fix extra check for sign usage of a data signature.
* g10/sig-check.c (check_signature_end_simple):
--

Obviously we should not ignore a back signature here.

Fixes-commit: 214b007726
GnuPG-bug-id: 4014
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-08 16:14:17 +02:00
Werner Koch
79f165d7a8
gpg: Make --skip-hidden-recipients work again.
* g10/pubkey-enc.c (get_session_key): Take care of
opt.skip_hidden_recipients.
--
This was lost due to
Fixes-commit: ce2f717601
GnuPG-bug-id: 4169

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-08 15:38:37 +02:00
Werner Koch
3c2ffd27f3
gpg: Add new card vendor
--
2018-10-04 09:57:03 +02:00
Werner Koch
8e83493dae
gpg: New options import-drop-uids and export-drop-uids.
* g10/options.h (IMPORT_DROP_UIDS): New.
(EXPORT_DROP_UIDS): New.
* g10/import.c (parse_import_options): Add option "import-drop-uids".
(import_one): Don't bail out with that options and no uids found.
Also remove all uids.
(remove_all_uids): New.
* g10/export.c (parse_export_options): Add option "export-drop-uids".
(do_export_one_keyblock): Implement option.
--

These options are required for experiments with changes to the
keyserver infrastructure.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-10-02 11:03:27 +02:00
NIIBE Yutaka
50b02dba20 common: Fix gnupg_reopen_std.
* common/sysutils.c (gnupg_reopen_std): Use fcntl instead of fstat.

--

When gpg was invoked by a Perl web application on FreeBSD, fstat in
gnupg_reopen_std failed with EBADF.  Using fcntl, which is considered
lighter than fstat, it works fine.  Since uur purpose is to check if
file descriptor is valid or not, lighter operation is better.

Reported-by: Marcin Gryszkalis <mg@fork.pl>
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-10-02 14:22:24 +09:00
NIIBE Yutaka
0cb65564e0 g10,scd: Support UIF changing command.
* g10/card-util.c (uif, cmdUIF): New.
(card_edit): Add call to uif by cmdUIF.
* scd/app-openpgp.c (do_getattr): Support UIF-1, UIF-2, and UIF-3.
(do_setattr): Likewise.
(do_learn_status): Learn UIF-1, UIF-2, and UIF-3.

--

GnuPG-bug-id: 4158
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-27 16:45:27 +09:00
NIIBE Yutaka
fe8b633954 g10: Fix memory leak for --card-status.
* g10/card-util.c (card_status): Release memory of serial number.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-18 09:34:00 +09:00
NIIBE Yutaka
60c880bda5 g10: Fix another memory leak.
* g10/skclist.c (enum_secret_keys): Use SK_LIST instead of pubkey_t.

--

The use of pubkey_t was wrong.  The use is just a list of keys, not
with keyblock.  With SK_LIST, release_sk_list releases memory by
free_public_key.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-14 08:11:45 +09:00
NIIBE Yutaka
2eb481e8cc g10: Fix memory leak (more).
* g10/skclist.c (enum_secret_keys): Free SERIALNO on update.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-14 08:02:16 +09:00
NIIBE Yutaka
64c5c45e2a g10: Fix memory leak in enum_secret_keys.
* g10/skclist.c (enum_secret_keys): Don't forget to call
free_public_key in the error return paths.

--

Reported-by: Philippe Antoine
GnuPG-bug-id: 4140
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-14 07:55:20 +09:00
NIIBE Yutaka
69bab1cba0 Revert "dirmngr: hkp: Avoid potential race condition when some hosts die."
This reverts commit 04b56eff11.

--

Now the access to hosttable is serialized correctly.
2018-09-11 14:04:37 +09:00
NIIBE Yutaka
995aded587 dirmngr: Serialize access to hosttable.
* dirmngr/dirmngr.h (ks_hkp_init): New.
* dirmngr/dirmngr.c (main): Call ks_hkp_init.
* dirmngr/ks-engine-hkp.c (ks_hkp_init): New.
(ks_hkp_mark_host): Serialize access to hosttable.
(ks_hkp_print_hosttable, make_host_part): Likewise.
(ks_hkp_housekeeping, ks_hkp_reload): Likewise.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-11 14:02:53 +09:00
NIIBE Yutaka
f80346f42d common: Use iobuf_get_noeof to avoid undefined behaviors.
* common/iobuf.c (block_filter): Use iobuf_get_noeof.

--

When singed integer has negative value, left shift computation is
undefined in C.

GnuPG-bug-id: 4093
Reported-by: Philippe Antoine
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-10 13:44:47 +09:00
NIIBE Yutaka
adce73b86f agent: Fix error code check from npth_mutex_init.
* agent/call-pinentry.c (initialize_module_call_pinentry): It's an
error when npth_mutex_init returns non-zero.

--

Actually, initialize_module_call_pinentry is only called once from
main.  So, this bug had no harm and having the static variable
INITIALIZED is not needed.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-10 09:16:50 +09:00
Werner Koch
bee65edfbc
dirmngr: Emit SOURCE status also on NO_DATA.
* dirmngr/ks-engine-hkp.c (ks_hkp_search): Send SOURCE status also on
NO DATA error.
(ks_hkp_get): Ditto.
* g10/call-dirmngr.c (gpg_dirmngr_ks_search): Print "data source" info
also on error.
(gpg_dirmngr_ks_get): Ditto.
--

If a keyserver does not return any data it can be useful to know which
keyserver out of the pool answered.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-09-07 11:48:18 +02:00
Daniel Kahn Gillmor
04b56eff11 dirmngr: hkp: Avoid potential race condition when some hosts die.
* dirmngr/ks-engine-hkp.c (select_random_host): Use atomic pass
through the host table instead of risking out-of-bounds write.

--

Multiple threads may write to hosttable[x]->dead while
select_random_host() is running.  For example, a housekeeping thread
might clear the ->dead bit on some entries, or another connection to
dirmngr might manually mark a host as alive.

If one or more hosts are resurrected between the two loops over a
given table in select_random_host(), then the allocation of tbl might
not be large enough, resulting in a write past the end of tbl on the
second loop.

This change collapses the two loops into a single loop to avoid this
discrepancy: each host's "dead" bit is now only checked once.

As Werner points out, this isn't currently strictly necessary, since
npth will not switch threads unless a blocking system call is made,
and no blocking system call is made in these two loops.

However, in a subsequent change in this series, we will call a
function in this loop, and that function may sometimes write(2), or
call other functions, which may themselves block.  Keeping this as a
single-pass loop avoids the need to keep track of what might block and
what might not.

GnuPG-bug-id: 2836
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2018-09-07 14:28:11 +09:00
NIIBE Yutaka
7c96cc67e1 g10: Fix memory leak.
* g10/import.c (read_block): Call free_packet to skip the packet.

--

Reported-by: Philippe Antoine
GnuPG-bug-id: 3916
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-07 13:01:52 +09:00
NIIBE Yutaka
99c17b970b gpgscm: Suppress warnings for GCC > 6.
* tests/gpgscm/scheme.c (CASE): Use unused attribute for GCC > 6.
(FALLTHROUGH): New for fallthrough.
(Eval_Cycle): Use FALLTHROUGH.  Remove not-needed comment of
fallthrough.

--

Since GCC combines C preprocessor macro expansion, the fallthrough
comment doesn't work well to suppress warnings for
-Wimplicit-fallthrough, near the macro CASE.  To handle this
problem, we use GCC's extension of unused label and fallthrough
attributes.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-06 14:53:35 +09:00
NIIBE Yutaka
625ced6e67 Fix use of strncpy, which is actually good to use memcpy.
* common/ssh-utils.c (get_fingerprint): Use memcpy.
* g10/build-packet.c (string_to_notation): Use memcpy.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-09-06 11:41:13 +09:00
Werner Koch
512be1d04b
kbx: Add framework for a public key daemon.
* kbx/keyboxd.c: New.
* kbx/keyboxd.h: New.
* kbx/kbxserver.c: New.
* kbx/keyboxd-w32info.rc: New.
* kbx/Makefile.am (EXTRA_DIST): Add new rc file.
(resource_objs): Ditto.
(libexec_PROGRAMS): New.
(common_libs, commonpth_libs): New.
(kbxutil_LDADD): Use here.
(keyboxd_SOURCES): New.
(keyboxd_CFLAGS): New.
(keyboxd_LDADD): New.
(keyboxd_LDFLAGS): New.
(keyboxd_DEPENDENCIES): new.
($(PROGRAMS)): Extend.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-09-05 17:00:17 +02:00
Werner Koch
d4489be467
common: New function status_printf.
* common/asshelp2.c (set_assuan_context_func): New.
(status_printf): New.
* po/Makevars (XGETTEXT_OPTIONS): Add status_printf
--

This is a first patch to unify the status printing functions.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-09-05 16:57:30 +02:00
Werner Koch
23738c9530
artwork: State license of the logo
--
2018-08-30 10:33:28 +02:00
Werner Koch
1bfe766bcf
gpg: Explain error message in key generation with --batch
* g10/keygen.c (generate_keypair): Show more info.
--

GnuPG-bug-id: 3912
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-29 15:14:29 +02:00
Werner Koch
420dc2b49a
doc: Minor additions to the gpg man page
--

Includes a fix for
GnuPG-bug-id: 3906

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-29 15:04:44 +02:00
Werner Koch
ed8fe21e66
gpg: Remove unused function get_pubkeys.
* g10/getkey.c (get_pubkeys): Remove.
(pubkey_free): Remove and use code directly ...
(pubkeys_free): ... here.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-29 11:53:59 +02:00
Werner Koch
53bbac0865
doc: Show how to list envvars send to gpg-agent.
--

GnuPG-bug: 3353
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-29 09:53:06 +02:00
Werner Koch
3da835713f
gpg: New option --known-notation.
* g10/gpg.c (oKnownNotation): New const.
(opts): Add option --known-notation.
(main): Set option.
* g10/parse-packet.c (known_notations_list): New local var.
(register_known_notation): New.
(can_handle_critical_notation): Rewrite to handle the new feature.
Also print the name of unknown notations in verbose mode.
--

GnuPG-bug-id: 4060
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-29 09:36:09 +02:00
Werner Koch
7f172404bf
gpg: Refresh expired keys originating from the WKD.
* g10/getkey.c (getkey_ctx_s): New field found_via_akl.
(get_pubkey_byname): Set it.
(only_expired_enc_subkeys): New.
(get_best_pubkey_byname): Add support to refresh expired keys from the
WKD.
--

A little drawback of that code is that if the WKD has no update for an
expired key each access of the key will trigger a WKD lookup (unless
cached by the dirmngr).  To avoid this we need to record the last time
we have checked for an update but that would in turn require that we
update the keyring for each check.  We defer this until we have a
better key database which allows for fast updates of meta data.

Testing the code is currently a bit cumbersome because it requires to
update a key in the WKD several times.  Eventually we we need a
network emulation layer to provide sample data for the regression
tests.

GnuPG-bug-id: 2917
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-28 15:22:35 +02:00
Werner Koch
db67ccb759
gpg: Remove unused arg from a function.
* g10/getkey.c (get_best_pubkey_byname): Remove unused arg 'no_akl'.
Change both callers.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-28 15:16:19 +02:00
Werner Koch
108702ccae
gpg: Prepare for longer card fingerprints.
* g10/call-agent.h (agent_card_info_s): Rename the "*valid" fields to
"*len".
* g10/call-agent.c (unhexify_fpr): Change to take a FPRLEN and to
return the actual length.
(agent_release_card_info): Adjust for these changes.
* g10/card-util.c (print_sha1_fpr): Rename to print_shax_fpr and add
arg FPRLEN.  Change all callers to pass the length.
(print_sha1_fpr_colon): Rename to print_shax_fpr_colon and add arg
FPRLEN.  Change all callers to pass the length.
(fpr_is_zero): Add arg FPRLEN.
(fpr_is_ff): Ditto.
(show_card_key_info): Use the new functions.
* g10/skclist.c (enum_secret_keys): Use MAX_FINGERPRINT_LEN.
--

This is not needed right now but we should get rid of all hard coded
fingerprint lengths.  Thus this change.

Signed-off-by: Werner Koch <wk@gnupg.org>
2018-08-27 16:57:04 +02:00
NIIBE Yutaka
b823788d20 g10: Fix enum_secret_keys for card keys.
* g10/skclist.c (enum_secret_keys): Since "KEY-FPR" returns
fingerprint in binary, change it to hex string.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-08-27 16:25:05 +09:00
NIIBE Yutaka
84cc55880a g10: Prefer to available card keys for decryption.
* g10/skclist.c (enum_secret_keys): Add logic to prefer
decryption keys on cards.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-08-27 16:24:45 +09:00
NIIBE Yutaka
03a8de7def g10: Move enum_secret_keys to skclist.c.
* g10/getkey.c (enum_secret_keys): Move to...
* g10/skclist.c (enum_secret_keys): ... here.

--

The function enum_secret_keys is not used by gpgv.c, but it is in
getkey.c.  Extending enum_secret_keys will require change of gpgv.c,
so moving the function to the file for gpg is better.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2018-08-27 16:24:27 +09:00