Commit Graph

72 Commits

Author SHA1 Message Date
Werner Koch 54e96c6fd2
agent: Replace most assert by log_assert.
--
2019-05-14 10:31:46 +02:00
Werner Koch bdf252e76a
agent: Put Token lines into the key files.
* agent/findkey.c (write_extended_private_key): Add args serialno and
keyref.  Write a Token line if that does not yet exist.
(agent_write_private_key): Add args serialno and keyref and change all
callers.
(agent_write_shadow_key): Skip leading spaces.
* agent/keyformat.txt: Improve extended key format docs.
--

Noet that the extended key forma is the defaqult in 2.3.  This patch
is a first step to better handle tokens which carray the same key.

Signed-off-by: Werner Koch <wk@gnupg.org>
2019-05-03 15:54:54 +02:00
Werner Koch 02dce8c0cc
agent: Make the request origin a part of the cache items.
* agent/cache.c (agent_put_cache): Add arg 'ctrl' and change all
callers to pass it.
(agent_get_cache): Ditto.

* agent/cache.c (struct cache_items_s): Add field 'restricted'.
(housekeeping): Adjust debug output.
(agent_flush_cache): Ditto.
(agent_put_cache): Ditto.  Take RESTRICTED into account.
(agent_get_cache): Ditto.
--

If requests are coming from different sources they should not share the
same cache.  This way we make sure that a Pinentry pops up for a
remote request to a key we have already used locally.

GnuPG-bug-id: 3858
Signed-off-by: Werner Koch <wk@gnupg.org>
2018-03-27 08:40:58 +02:00
Werner Koch 3681ee7dc1
agent: Use MAX_PASSPHRASE_LEN (255) also for the loopback.
* agent/call-pinentry.c (agent_get_passphrase): Reduce maximum
passphrase length as conveyed to the loopback to MAX_PASSPHRASE_LEN.
* agent/genkey.c (agent_ask_new_passphrase): Extend the maximum
passphrase as conveyed to the loopback to MAX_PASSPHRASE_LEN.
--

Note that in genkey() max_length is set to MAX_PASSPHRASE_LEN + 1
because in agent_askpin() decrements that value before conveying it to
the loopback.

GnuPG-bug-id: 3254
Signed-off-by: Werner Koch <wk@gnupg.org>
2017-07-05 11:54:45 +02:00
NIIBE Yutaka 176e07ce10 agent: Resolve conflict of util.h.
* agent/Makefile.am (AM_CPPFLAGS): Remove -I$(top_srcdir)/common.
* agent/call-pinentry.c, agent/call-scd.c: Follow the change.
* agent/command-ssh.c, agent/command.c, agent/cvt-openpgp.c: Ditto.
* agent/divert-scd.c, agent/findkey.c, agent/genkey.c: Ditto.
* agent/gpg-agent.c, agent/pksign.c, agent/preset-passphrase.c: Ditto.
* agent/protect-tool.c, agent/protect.c, agent/trustlist.c: Ditto.
* agent/w32main.c: Ditto.

--

For openpty function, we need to include util.h on some OS.
We also have util.h in common/, so this change is needed.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2017-03-07 19:22:48 +09:00
Yuri Chornoivan 24cf0606b4 Clean up word replication.
--

This fixes extra word repetitions (like "the the" or "is is") in the
code and docs.

Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2017-02-21 13:11:46 -05:00
Werner Koch 4d7dc432b5
Change all http://www.gnu.org in license notices to https://
--
2016-11-05 12:02:19 +01:00
Werner Koch 4159567f7e
agent: Implement new protection mode openpgp-s2k3-ocb-aes.
* agent/protect.c (agent_protect): Add arg use_ocb.  Change all caller
to pass -1 for default.
* agent/protect-tool.c: New option --debug-use-ocb.
(oDebugUseOCB): New.
(opt_debug_use_ocb): New.
(main): Set option.
(read_and_protect): Implement option.

* agent/protect.c (OCB_MODE_SUPPORTED): New macro.
(PROT_DEFAULT_TO_OCB): New macro.
(do_encryption): Add args use_ocb, hashbegin, hashlen, timestamp_exp,
and timestamp_exp_len.  Implement OCB.
(agent_protect): Change to support OCB.
(do_decryption): Add new args is_ocb, aadhole_begin, and aadhole_len.
Implement OCB.
(merge_lists): Allow NULL for sha1hash.
(agent_unprotect): Change to support OCB.
(agent_private_key_type): Remove debug output.
--

Instead of using the old OpenPGP way of appending a hash of the
plaintext and encrypt that along with the plaintext, the new scheme
uses a proper authenticated encryption mode.  See keyformat.txt for a
description.  Libgcrypt 1.7 is required.

This mode is not yet enabled because there would be no way to return
to an older GnuPG version.  To test the new scheme use
gpg-protect-tool:

 ./gpg-protect-tool -av -P abc -p --debug-use-ocb <plain.key >prot.key
 ./gpg-protect-tool -av -P abc -u <prot.key

Any key from the private key storage should work.

Signed-off-by: Werner Koch <wk@gnupg.org>
2016-04-12 14:38:44 +02:00
Neal H. Walfield 5b84b0d660 common: Extend utf8_charcount to include the string's length.
* common/stringhelp.c (utf8_charcount): Take additional parameter,
len.  Process at most LEN bytes.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
2015-11-23 22:23:37 +01:00
NIIBE Yutaka f70f669536 agent: Fix function return type for check_cb and agent_askpin.
* agent/call-pinentry.c (unlock_pinentry): Return gpg_error_t.
(start_pinentry, setup_qualitybar): Likewise.
(agent_askpin): Fix return value check of check_cb.
* agent/command-ssh.c (reenter_compare_cb): Return gpg_error_t.
(ssh_identity_register): Fix return value check of agent_askpin.
* agent/cvt-openpgp.c (try_do_unprotect_cb): Return gpg_error_t.
* agent/findkey.c (try_unprotect_cb): Likewise.
* agent/genkey.c (reenter_compare_cb): Return gpg_error_t.
(agent_ask_new_passphrase): Fix return value check of agent_askpin.
2015-10-09 11:33:13 +09:00
Werner Koch ddf9dd135a
agent: Fix alignment problem with the second passphrase struct.
* agent/genkey.c (agent_ask_new_passphrase): Use a separate malloc for
PI2.  Check return value of the malloc function.
* agent/command-ssh.c (ssh_identity_register): Use a separate malloc
for PI2.  Wipe PI2.
--

For whatever stupid reasons I once allocated only one memory area and
split that into PI and PI2.  This is actually a common pattern with
malloc but here we used a made up object size and do not take the
extra alignment required into account.  One of these not yet hit by
a (sig)bus PC/VAX hacker bugs.

Instead of trying to fix the alignment, it is better to use a second
calloc for the second struct.

GnuPG-bug-id: 2112
Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-02 10:58:40 +02:00
Neal H. Walfield 348a6ebb63 agent: Raise the maximum password length. Don't hard code it.
* agent/agent.h (MAX_PASSPHRASE_LEN): Define.
* agent/command-ssh.c (ssh_identity_register): Use it instead of a
hard-coded literal.
* agent/cvt-openpgp.c (convert_from_openpgp_main): Likewise.
* agent/findkey.c (unprotect): Likewise.
* agent/genkey.c (agent_ask_new_passphrase): Likewise.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>.
GnuPG-bug-id: 2038
2015-08-24 16:14:38 +02:00
Ben Kibbey bba74cdd95 Fix pinentry loopback and passphrase contraints.
* agent/command.c (cmd_get_passphrase): Don't repeat passphrase for
pinentry loopback mode.
* agent/genkey.c (check_passphrase_constraints): Immediately return when
pinentry mode is loopback.

--
Fixes endless loop when inquiring a passphrase with
pinentry-mode=loopback that may not satisfy passphrase contraints.
2015-08-16 16:12:46 -04:00
Werner Koch 232af382e5
Flag the L_() function with attribute format_arg.
* agent/agent.h (LunderscorePROTO): New.
* common/util.h (GNUPG_GCC_ATTR_FORMAT_ARG): New.
* common/i18n.h (GNUPG_GCC_ATTR_FORMAT_ARG): New. Use for
i18n_localegettext.  Expand LunderscorePROTO.
* agent/genkey.c (check_passphrase_constraints): Use xtryasprintf
again to keep the old translations.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-06-30 22:28:41 +02:00
Werner Koch e76d4c05b2
agent: Use different translation func for Pinentry strings.
* po/Makevars (XGETTEXT_OPTIONS): Add keyword "L_".
* common/i18n.c (i18n_localegettext): New stub.
* common/i18n.h: Expand the LunderscoreIMPL macro.
* agent/agent.h (L_): New.
(LunderscoreIMPL): New.
* agent/call-pinentry.c (setup_qualitybar): Add arg ctrl anc change
caller.
* agent/findkey.c (try_unprotect_cb): Add local var ctrl.
* agent/genkey.c (check_passphrase_constraints): Replace xtryasprintf
by xtrystrdup to avoid gcc warning.  Unfortinately this changes the
string.
(agent_ask_new_passphrase): Cleanup the use of initial_errtext.
--

Static strings in gpg-agent need to be translated according to the
locale set by the caller.  This is required so that a gpg-agent can be
started in one locale and a gpg can be run in another.  If we don't do
this the static strings (prompt, buttons) are not or in the wrong
locale translated while dynamic strings (e.g. key description) uses
the locale of gpg.

This is only the first part of the change the actual local switching
still needs to be implemented.

Debian-bug-id: 788983
Signed-off-by: Werner Koch <wk@gnupg.org>
2015-06-30 21:58:45 +02:00
Neal H. Walfield 2778c6f8f4 Show passphrase constraints errors as password prompt errors
* agent/agent.h (check_passphrase_constraints): Add parameter
failed_constraint and remove parameter silent.  Update callers.
* agent/genkey.c (check_passphrase_constraints): Add parameter
failed_constraint and remove parameter silent.  If FAILED_CONSTRAINT
is not NULL and OPT.ENFORCE_PASSPHRASE_CONSTRAINTS is FALSE, save the
error text in *FAILED_CONSTRAINT and don't call take_this_one_anyway
or take_this_one_anyway2.  If FAILED_CONSTRAINT is NULL, act as if
SILENT was set.
(agent_ask_new_passphrase): Change initial_errtext's type from a const
char * to a char *.  Pass it to check_passphrase_constraints.  If it
contains malloc's memory, free it.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>

Based on a patch provided by Watson Yuuma Sato <yuuma.sato@gmail.com>
in issue 2018.
2015-06-29 15:53:49 +02:00
Werner Koch 2180845959
agent: Send the new SETKEYINFO command to the Pinentry.
* agent/call-pinentry.c (agent_askpin): Add args keyinfo and
cache_mode.  Change all callers to pass (NULL,0) for them.  Send
SETKEYINFO command.
* agent/findkey.c (unprotect): Pass the keygrip and the cache_mode for
the new args.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-04-14 18:41:05 +02:00
Werner Koch 95415bdec7
agent: Remove useless conditions.
* agent/genkey.c (agent_ask_new_passphrase): Remove useless condition.
* agent/command-ssh.c (ssh_identity_register): Ditto.
--

Detected by Stack 0.3:

  bug: anti-simplify
  model: |
    %tobool22 = icmp ne i8* %arraydecay21, null, !dbg !717
    -->  true
  stack:
    - /home/wk/s/gnupg/agent/genkey.c:385:0
  ncore: 1
  core:
    - /home/wk/s/gnupg/agent/genkey.c:362:0
      - pointer overflow

  bug: anti-simplify
  model: |
    %tobool35 = icmp ne i8* %arraydecay34, null, !dbg !1053
    -->  true
  stack:
    - /home/wk/s/gnupg/agent/command-ssh.c:3120:0
  ncore: 1
  core:
    - /home/wk/s/gnupg/agent/command-ssh.c:3103:0
      - pointer overflow
2015-03-15 12:59:17 +01:00
Werner Koch aa99ebde77 gpg: Re-enable the "Passphrase" parameter for batch key generation.
* agent/command.c (cmd_genkey): Add option --inq-passwd.
* agent/genkey.c (agent_genkey): Add new arg override_passphrase.
* g10/call-agent.c (inq_genkey_parms): Handle NEWPASSWD keyword.
(agent_genkey): Add arg optional arg "passphrase".
* g10/keygen.c (common_gen, gen_elg, gen_dsa, gen_ecc)
(gen_rsa, do_create): Add arg "passphrase" and pass it through.
(do_generate_keypair): Make use of pPASSPHRASE.
(release_parameter_list): Wipe out a passphrase parameter.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-01-21 11:31:20 +01:00
Werner Koch c9aadcb3a2 agent: Support pinentries with integrated repeat passphrase feature.
* agent/agent.h (struct pin_entry_info_s): Add fields repeat_okay and
with_repeat.
* agent/call-pinentry.c (close_button_status_cb): Rewrite and check
for PIN_REPEAT.  Change users to check only the relevant bit.
(agent_askpin): Support repeat logic of new Pinentries.

* agent/command-ssh.c (ssh_identity_register): Use the new repeat
feature.
* agent/genkey.c (agent_ask_new_passphrase): Ditto.

--

If we need to confirm a passphrase entry (e.g. for new passphrase) we
set a flag into the pinentry info block.  The we try to use the new
pinentry command SETREPEATERROR; if that fails, we continue as usual.
If that succeeds we ask the pinentry to show the repeat (confirmation)
prompt and on successful return we set another flag in the pinentry
info block so that the caller can skip its own confirmation check. A
new status line from the pinentry indicates that the feature is
actually supported (it may not be supported on certain systems for
example when using the ncurses backend).

Signed-off-by: Werner Koch <wk@gnupg.org>
2014-10-24 20:40:12 +02:00
Werner Koch b3378b3a56 agent: Show just one warning with all failed passphrase constraints.
* agent/genkey.c (check_passphrase_constraints): Build a final warning
after all checks.
2014-07-23 19:51:52 +02:00
Werner Koch a24510d53b agent: Only one confirmation prompt for an empty passphrase.
* agent/genkey.c (check_passphrase_constraints): Moev empty passphrase
check to the front.
2014-07-23 19:16:51 +02:00
David Prévot ba591e2f14 Fix typos spotted during translations
* agent/genkey.c: s/to to/to/
* sm/*.c: s/failed to allocated/failed to allocate/
* sm/certlist.c, ./dirmngr/validate.c: s/should have not/should not have/
* g10/seskey.c: missing closing parenthesis
* dirmngr/crlcache.c: s/may has/may have/

Consistency fix:

* g10/gpg.c, kbx/kbxutil.c, sm/gpgsm.c: uppercase after Syntax
* dirmngr/dirmngr_ldap: no period in Syntax
* dirmngr/dirmngr-client.c: infinitive for option description:
	s/certificates are expected/expect certificates/
2012-08-24 09:44:33 +02:00
Ben Kibbey 0dcf517700 Allow no protection in pinentry-mode=loopback.
When the inquired passphrase has a 0 length then treat it as no
protection.
2011-09-13 08:33:43 +02:00
Ben Kibbey eb5709f554 Fixed invalid free. 2011-09-13 08:33:01 +02:00
Ben Kibbey fb1cdd7b0e Handle pinentry-mode=loopback.
When this mode is set an inquire will be sent to the client to retrieve
the passphrase. This adds a new inquire keyword "NEW_PASSPHRASE" that the
GENKEY and PASSWD commands use when generating a new key.
2011-09-12 09:54:16 +02:00
Werner Koch 816bee1fa0 Fixed set but unused variable bugs 2011-08-10 14:11:30 +02:00
Ben Kibbey 137e3a0fbc Added gpg-agent OPTION "s2k-count".
When unset or 0, the calibrated count will be used.
2011-06-29 13:17:25 +02:00
Werner Koch 4caa768f1d Add OPTION:cache-ttl-opt-preset to gpg-agent.
This option may be used to change the default ttl values use with the
--preset option of GENKEY and PASSWD.
2011-04-21 15:40:48 +02:00
Werner Koch f8c5395fbd Use macros for the 120 and 900s cache TTLs. 2011-04-12 18:20:46 +02:00
Ben Kibbey 944bf8f5b5 Added GENKEY --preset to add the passphrase of the generated key to the cache. 2011-04-12 18:00:59 +02:00
Werner Koch b008274afd Nuked almost all trailing white space.
We better do this once and for all instead of cluttering all future
commits with diffs of trailing white spaces.  In the majority of cases
blank or single lines are affected and thus this change won't disturb
a git blame too much.  For future commits the pre-commit scripts
checks that this won't happen again.
2011-02-04 12:57:53 +01:00
Werner Koch 02e4c3cb7e Re-implemented GPG's --passwd command and improved it. 2010-10-26 09:10:29 +00:00
Werner Koch 764e88d4df All tests work are again working 2010-10-14 16:34:31 +00:00
Werner Koch 54591341a4 More agent support for gpg. 2010-10-13 15:57:08 +00:00
Werner Koch bfbd80feb9 Exporting secret keys via gpg-agent is now basically supported.
A couple of forward ported changes.
Doc updates.
2010-10-01 20:33:53 +00:00
Werner Koch 90a4599c5e Obscure the cached passphrases. 2010-09-02 10:46:23 +00:00
Werner Koch 31bc3c8edd s/CACHE_MODE_IMPGEN/CACHE_MODE_NONCE/.
Prepare for more use cases of the cache nonce.
2010-09-01 11:07:16 +00:00
Werner Koch 9a9b3da58f Use passphrase caching for import and genkey. 2010-09-01 09:48:35 +00:00
Werner Koch c8bafe218c Fix a regression from 2010-06-09. 2010-06-24 10:51:30 +00:00
Werner Koch 006fd75aea Avoid using the protect-tool to import pkcs#12. 2010-06-17 15:44:44 +00:00
Werner Koch c3f08dcb72 Merged Dirmngr with GnuPG.
A few code changes to support dirmngr.
2010-06-09 16:53:51 +00:00
Werner Koch 31d7bdfe77 Whole lot of changes to support CE. 2010-04-14 11:24:02 +00:00
Werner Koch 2e0ce7d97f Fixed a bunch of little bugs as reported by Fabian Keil.
Still one problem left; marked with a gcc #warning.
2009-06-24 14:03:09 +00:00
Werner Koch aa03d8f184 Use cancel button in confirmation only if requested. 2009-06-17 10:19:50 +00:00
Werner Koch 0a5f742466 Marked all unused args on non-W32 platforms. 2008-10-20 13:53:23 +00:00
Werner Koch 55ba204bfa Started to implement the audit log feature.
Pass PINENTRY_USER_DATA and XAUTHORITY to Pinentry.
Improved support for the quality bar.
Minor internal restructuring.
Translation fixes.
2007-11-19 16:03:50 +00:00
Werner Koch fd5e7d44f3 Changed wording of passphrase checking messages.
Fixed a segv in gpg-connect-agent.
2007-10-24 08:06:16 +00:00
Werner Koch a6b11ea482 Support the SETQUALITYBAR command of recent pinentries. 2007-09-18 11:40:09 +00:00
Werner Koch b13587ef16 New command --check-programs for gpgconf. 2007-08-29 09:51:37 +00:00