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Commit Graph

37 Commits

Author SHA1 Message Date
Werner Koch
690fd61a0c
sm: More improvements for PKCS#12 parsing for latest IVBB changes.
* common/tlv.h (TLV_PARSER_FLAG_T5793): New.
(tlv_parser_new): New macro.  Rename function with an underscore.
(tlv_next_with_flag): New.
* common/tlv-parser.c (struct tlv_parser_s): Remove const from buffer.
Add fields crammed, lasttlv, and origoff.  Remove bufferlist ands ist
definition.
(dump_to_file): New but disabled debug helper.
(parse_tag): Print more info on error.
(_tlv_parser_new): Add args lasttlv and LNO.  Take a copy of the data.
(_tlv_parser_release): Free the copy of the buffer and return the
recorded TLV object from tlv_parser_new.
(_tlv_peek, tlv_parser_peek, _tlv_parser_peek_null): Remove.
(_tlv_push): Record crammed length.
(_tlv_pop): Restore crammed length.
(_tlv_parser_next): Add arg flags.  More debug output.  Handle cramming
here.  Take care of cramming here.
(tlv_expect_object): Simplify to adjust for changes in _tlv_parser_next.
(tlv_expect_octet_string): Remove arg encapsulates.  Adjust for
changes in _tlv_parser_next.  Change all allers.
(tlv_expect_null): New.
(cram_octet_string): Rewrite.
(need_octet_string_cramming): Remove.

* sm/minip12.c (dump_to_file): New.  Enablein debug mode and if a
envvar ist set.  Replace all explict but disabled dumping to call this
function.
(parse_bag_encrypted_data): Replace tlv_peek_null and a peeking for an
optional SET by non-peeking code.
(parse_cert_bag): Ditto.
(parse_shrouded_key_bag): Replace tlv_peek_null by non-peeking code.
(parse_bag_encrypted_data): Use the new TLV_PARSER_FLAG_T5793 to
enable the Mozilla workaround.
(parse_bag_encrypted_data): Replace the 'renewed_tlv' code by the new
tlv_parser_release semantics.
(parse_shrouded_key_bag): Ditto.
(parse_shrouded_key_bag): Create a new context instead of using the
former encapsulated mechanism for tlv_expect_octet_string.
(parse_bag_data): Ditto.
(p12_parse): Ditto.
--

GnuPG-bug-id: 7213

Fixing this took way too long; I should have earlier explained the
code to a co-hacker to find the problem myself in my code by this.
2024-08-06 17:51:01 +02:00
Daniel Kahn Gillmor
42b0e9558a
indent: Fix spelling
--

These are non-substantive corrections for minor spelling mistakes
within the GnuPG codebase.

With something like this applied to the codebase, and a judiciously
tuned spellchecker integrated as part of a standard test suite, it
should be possible to keep a uniform orthography within the project.

GnuPG-bug-id: 7116
2024-05-31 12:28:32 +02:00
Werner Koch
214d3ffe0f
gpgsm: Increase salt size in pkcs#12 parser.
* sm/minip12.c (parse_bag_encrypted_data): Need 32 bytes.
--

GnuPG-bug-id: 6757
2024-02-05 08:00:20 +01:00
Ángel González
375c3a238a
gpgsm: cleanup on error paths
* sm/minip12.c (p12_parse): set err on the different error paths

--

GnuPG-bug-id: 6973
Fixes-commit: 101433dfb4
Signed-off-by: Ángel González <angel@pgp.16bits.net>
2024-02-05 07:54:14 +01:00
Werner Koch
0cb622d632
gpgsm: Allow parsing of PKCS#12 files with two private keys.
* sm/minip12.c (struct p12_parse_ctx_s): Add privatekey2.
(parse_shrouded_key_bag): Handle a second private key.
(p12_parse_free_kparms): New.

* sm/import.c (parse_p12): Factor some code out to ...
(p12_to_skey): this.
(parse_p12): Use p12_parse_free_kparms.
--

Take care: We allow parsing of a second private key but we are not yet
able to import the second private key.

The whole things is required to at least import the certificates of
current pkcs#12 files as created by the German Elster tax system.  No
test data, sorry.
2024-01-15 09:56:07 +01:00
Werner Koch
e6cedba119
gpgsm: Re-introduce the bad passphrase hint for pkcs#12.
* sm/minip12.c (parse_bag_encrypted_data): Set the badpass flag.
(parse_shrouded_key_bag): Ditto.
--
2023-11-14 09:47:13 +01:00
Werner Koch
4448bc44f0
common: Provide API to parse BER/TLV encodings.
* sm/minip12.c: Factor parsing code out to ...
* common/tlv-parser.c: new.  Extend function names and provide a few
extra functions.
* common/Makefile.am (common_sources): Add new file.

* sm/minip12.c: Adjust to use the new parser API.
2023-10-24 13:25:10 +02:00
Werner Koch
7661d2fbc6
sm: Another partly rewrite of minip12.c
* sm/minip12.c (struct tlv_ctx_s): Add origbuffer and origbufsize.
Remove pop_count.  Rename offset to length.
(dump_tag_info, _dump_tag_info): Rewrite.
(dump_tlv_ctx, _dump_tlv_ctx): Rewrite.
(tlv_new): Init origbuffer.
(_tlv_peek): Add arg ti.
(tlv_peek): New.
(tlv_peek_null): New.
(_tlv_push): Rewrite.
(_tlv_pop): Rewrite.
(tlv_next): New macro.  Move old code to ...
(_tlv_next): this.  Add arg lno.  Pop remaining end tags.
(tlv_popped): Remove.
(tlv_expect_object): Handle ndef.
(tlv_expect_octet_string): Ditto.
(parse_bag_encrypted_data): Use nesting level to control the inner
loop.
(parse_shrouded_key_bag): Likewise.
(parse_bag_data): Handle surplus octet strings.
(p12_parse): Ditto.

* sm/minip12.c (decrypt_block): Strip the padding.
(tlv_expect_top_sequence): Remove.  Replace callers by
tlv_expect_sequence.

* tests/cms/samplekeys/t6752-ov-user-ff.p12: New sample key.
* tests/cms/samplekeys/Description-p12: Add its description
--

This patch improves the BER parser by simplifying it.  Now tlv_next
pops off and thus closes all containers regardless on whether they are
length bounded or ndef.  tlv_set_pending is now always used to undo
the effect of a tlv_next in a loop condition which was terminated by a
nesting level change.

Instead of using the length as seen in the decrypted container we now
remove the padding and let the BER parser do its work.  This might
have a negative effect on pkcs#12 objects which are not correctly
padded but we don't have any example of such broken objects.

GnuPG-bug-id: 6752
2023-10-24 09:33:35 +02:00
Werner Koch
5601f5db98
gpgsm: Improvements for NDEF in the pkcs#12 parser
* sm/minip12.c (_tlv_push): Handle NDEF more correctly.
(tlv_expect_octet_string): Do not bail out on NDEF.
(dump_tag_info): Print some more infos.
--

We do not have a complete test case for this.  We need to further
analyze T6752 to see what Mozilla is doing here.  In any case with
this patch we get a bit further and don't bail out at the ndef.

GnuPG-bug-id: 6536, 6752
2023-10-10 11:37:00 +02:00
Werner Koch
24b3a5a579
sm: Support more HMAC algos in the pkcs#12 parser.
* sm/minip12.c (oid_hmacWithSHA1): New.  Also for the SHA-2 algos.
(digest_algo_from_oid): New.
(set_key_iv_pbes2): Add arg digest_algo.
(crypt_block): Ditto.
(decrypt_block): Ditto.
(parse_bag_encrypted_data): Parse the optional prf part and get the
hmac algorithm.
(parse_shrouded_key_bag): Ditto.
(p12_build): Pass SHA1 for digest_algo.

* sm/t-minip12.c (run_one_test): Print failed values in verbose mode.

* tests/cms/samplekeys/nistp256-openssl-self-signed.p12: New.
* tests/cms/samplekeys/Description-p12: Add this one.
* tests/cms/Makefile.am (EXTRA_DIST): Ditto.
--

This supports the modern algorithms, i.e. using SHA256 for the KDF
which is the default in openssl unless the -legacy option is used.

GnuPG-bug-id: 6536
2023-10-06 11:02:19 +02:00
Werner Koch
c1f78634ec
sm: Improve the octet string cramming for pkcs#12
* sm/minip12.c (need_octet_string_cramming): New.
(tlv_expect_object, tlv_expect_octet_string): Run the test before
cramming.

* sm/minip12.c (ENABLE_DER_STRUCT_DUMPING): New but undefined macro
for debug purposes.
(bag_decrypted_data_p, bag_data_p): Use macro to allow dumping.
--

This bug was exhibited by importing a gpgsm exported EC certificate.

We use an extra test instead of retrying to allow retruning an error
from malloc failure.  And well, for easier reading of the code.

GnuPG-bug-id: 6536
2023-10-05 10:25:14 +02:00
Werner Koch
7a2831bc0e
gpgsm: Init a diagnostic var.
* sm/minip12.c (p12_parse): Init where.
--
2023-07-04 09:26:55 +02:00
Werner Koch
5f694dc0be
sm: Adding missing stuff to the PKCS#12 parser rewrite.
* sm/minip12.c (struct bufferlist_s): New.
(struct tlv_ctx_s): Add bufferlist.
(tlv_register_buffer): New.
(tlv_release): Release bufferlist.
(tlv_expect_object): Handle octet string cramming.
(tlv_expect_octet_string): Ditto.
(cram_octet_string): Changed interface.  We don't need the
input_consumed value anymore.

* sm/minip12.c (parse_shrouded_key_bag): Also parse the attribute set.

* sm/t-minip12.c (main): Add option --no-extra.
(cert_collect_cb, run_tests_from_file): Fix memory leak

* tests/cms/samplekeys/t5793-openssl.pfx: New from T5793.
* tests/cms/samplekeys/t5793-test.pfx: Ditto.
* tests/cms/samplekeys/Description-p12: Add them.
* tests/cms/Makefile.am (EXTRA_DIST): Add samplekeys.
--

This should finish the rewrite of the pkcsc#12 parser for now.  More
fun is likely to come.

GnuPG-bug-id: 6536, 5793
2023-06-29 17:49:10 +02:00
Werner Koch
101433dfb4
sm: Major rewrite of the PKCS#12 parser
* sm/minip12.c: Reworked most of the parser.
(p12_set_verbosity): Add arg debug and change all callers.

* sm/t-minip12.c: Major rewrite to run regression tests unattended.
* sm/Makefile.am (module_maint_tests): Move t-Minit to ...
(module_tests): here.
* tests/cms/samplekeys/Description-p12: New.
--

Note that cram_octet_string stuff has not yet been reworked.  I need
to locate the sample files first.

GnuPG-bug-id: 6536
2023-06-28 17:34:19 +02:00
Werner Koch
c926967d85
sm: Remove duplicated code.
* sm/minip12.c (struct tag_info): Change type of length and nhdr.
(dump_tag_info): Adjust.
(parse_tag): Re-implement using the parse_ber_header.
2023-06-28 17:34:19 +02:00
Ingo Klöcker
a47b3a4087
sm: Fix reporting of bad passphrase error
* sm/minip12.c (p12_parse): Set badpass flag to result in ctx.
--

Fixes-commit: a4e04375e8
GnuPG-bug-id: 5713, 6037
2022-09-09 18:23:11 +02:00
Werner Koch
52f9e13c0c
sm: Improve pkcs#12 debug output.
* sm/minip12.c (parse_shrouded_key_bag): Fix offset diagnostic.
(parse_cert_bag): Ditto.
(parse_bag_data): Remove debug output.  Pass startoffset.  Fix offset
diagnostic.
2022-06-20 17:24:55 +02:00
Werner Koch
a4e04375e8
sm: Rework the PKCS#12 parser to support DFN issued keys.
* sm/minip12.c (struct p12_parse_ctx_s): New.  Use this instead of
passing several parameters to most functions.
(parse_pag_data): Factor things out to  ...
parse_shrouded_key_bag): new.
(parse_cert_bag): New.
(parse_bag_data): New.
(p12_parse): Setup the parse context.
--

To support newer pkcs#12 files like those issued by the DFN we need to
support another ordering of data elements.  This rework reflects the
P12 data structure a bit better than our old ad-hoc hacks.  Tests could
only be done with the certificate parts and not the encrypted private
keys.

GnuPG-bug-id: 6037
2022-06-20 16:47:41 +02:00
Werner Koch
198fad9fc1
doc: Typo fix in comment
--
2022-04-08 16:07:34 +02:00
NIIBE Yutaka
6c50834c09 sm: Fix parsing encrypted data.
* sm/minip12.c (cram_octet_string): Finish when N==0.
(parse_bag_encrypted_data): Support constructed data with multiple
octet strings.

--

GnuPG-bug-id: 5793
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
2022-03-09 10:52:10 +09:00
Werner Koch
a170f0e73f
sm: Do not print certain issuer not found diags in quiet mode.
* sm/certchain.c (find_up_dirmngr): Print one diagnostic only in
verbose mode.  Do not print issuer not found diags in quiet mode.
* sm/minip12.c (parse_bag_data): Add missing verbose condition.
--

GnuPG-bug-id: 4757
2021-02-25 09:16:18 +01:00
Werner Koch
615d2e4fb1
sm: Silence some output on --quiet
* sm/encrypt.c (gpgsm_encrypt): Take care of --quiet.
* sm/gpgsm.c: Include minip12.h.
(set_debug): Call p12_set_verbosity.
* sm/import.c (parse_p12): Dump keygrip only in debug mode.
* sm/minip12.c (opt_verbose, p12_set_verbosity): New.
(parse_bag_encrypted_data): Print info messages only in verbose mode.
--

GnuPG-bug-id: 4757
2021-02-24 08:40:06 +01:00
Werner Koch
9ee975d588
gpgsm: Replace all assert calls by log_assert.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
2020-07-08 14:40:34 +02:00
Werner Koch
9bc9d0818b
doc: Typo fixes in code comments
--

Signed-off-by: Werner Koch <wk@gnupg.org>
2020-05-04 14:55:34 +02:00
Werner Koch
5da6925a33
sm: Add support to export ECC private keys.
* sm/minip12.c [TEST]: Remove test code.  Include util.h, tlv.h. and
openpgpdefs.h.  Remove the class and tag constants and replace them by
those from tlv.h.
(builder_add_oid, builder_add_mpi): New.
(build_key_sequence): Rename to ...
(build_rsa_key_sequence): this.
(build_ecc_key_sequence): New.
(p12_build): Call RSA or ECC builder.
(p12_raw_build): Ditto.
* sm/export.c (gpgsm_p12_export): Use correct armor header for ECC.
(sexp_to_kparms): Support ECC.

* sm/t-minip12.c: New to replace the former TEST code in minip12.h.
--

GnuPG-bug-id: 4921
2020-04-27 19:54:39 +02:00
Werner Koch
8dfef5197a
sm: Support import of PKCS#12 encoded ECC private keys.
* sm/minip12.c: Include ksba.h.
(oid_pcPublicKey): New const.
(parse_bag_data): Add arg 'r-curve'.  Support parsing of ECC private
keys.
(p12_parse): Add arg 'r_curve'.
* sm/import.c (parse_p12): Support ECC import.
--

GnuPG-bug-id: 4921
Signed-off-by: Werner Koch <wk@gnupg.org>
2020-04-21 21:05:39 +02:00
Daniel Kahn Gillmor
54eb375ff1 all: fix spelling and typos
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2018-10-24 15:56:18 -04:00
Werner Koch
4d7dc432b5
Change all http://www.gnu.org in license notices to https://
--
2016-11-05 12:02:19 +01:00
Justus Winter
a9e0905342 Fix typos found using codespell.
* agent/cache.c: Fix typos.
* agent/call-pinentry.c: Likewise.
* agent/call-scd.c: Likewise.
* agent/command-ssh.c: Likewise.
* agent/command.c: Likewise.
* agent/divert-scd.c: Likewise.
* agent/findkey.c: Likewise.
* agent/gpg-agent.c: Likewise.
* agent/w32main.c: Likewise.
* common/argparse.c: Likewise.
* common/audit.c: Likewise.
* common/audit.h: Likewise.
* common/convert.c: Likewise.
* common/dotlock.c: Likewise.
* common/exechelp-posix.c: Likewise.
* common/exechelp-w32.c: Likewise.
* common/exechelp-w32ce.c: Likewise.
* common/exechelp.h: Likewise.
* common/helpfile.c: Likewise.
* common/i18n.h: Likewise.
* common/iobuf.c: Likewise.
* common/iobuf.h: Likewise.
* common/localename.c: Likewise.
* common/logging.c: Likewise.
* common/openpgp-oid.c: Likewise.
* common/session-env.c: Likewise.
* common/sexputil.c: Likewise.
* common/sysutils.c: Likewise.
* common/t-sexputil.c: Likewise.
* common/ttyio.c: Likewise.
* common/util.h: Likewise.
* dirmngr/cdblib.c: Likewise.
* dirmngr/certcache.c: Likewise.
* dirmngr/crlcache.c: Likewise.
* dirmngr/dirmngr-client.c: Likewise.
* dirmngr/dirmngr.c: Likewise.
* dirmngr/dirmngr_ldap.c: Likewise.
* dirmngr/dns-stuff.c: Likewise.
* dirmngr/http.c: Likewise.
* dirmngr/ks-engine-hkp.c: Likewise.
* dirmngr/ks-engine-ldap.c: Likewise.
* dirmngr/ldap-wrapper.c: Likewise.
* dirmngr/ldap.c: Likewise.
* dirmngr/misc.c: Likewise.
* dirmngr/ocsp.c: Likewise.
* dirmngr/validate.c: Likewise.
* g10/encrypt.c: Likewise.
* g10/getkey.c: Likewise.
* g10/gpg.c: Likewise.
* g10/gpgv.c: Likewise.
* g10/import.c: Likewise.
* g10/keydb.c: Likewise.
* g10/keydb.h: Likewise.
* g10/keygen.c: Likewise.
* g10/keyid.c: Likewise.
* g10/keylist.c: Likewise.
* g10/keyring.c: Likewise.
* g10/mainproc.c: Likewise.
* g10/misc.c: Likewise.
* g10/options.h: Likewise.
* g10/packet.h: Likewise.
* g10/parse-packet.c: Likewise.
* g10/pkclist.c: Likewise.
* g10/pkglue.c: Likewise.
* g10/plaintext.c: Likewise.
* g10/server.c: Likewise.
* g10/sig-check.c: Likewise.
* g10/sqlite.c: Likewise.
* g10/tdbio.c: Likewise.
* g10/test-stubs.c: Likewise.
* g10/tofu.c: Likewise.
* g10/trust.c: Likewise.
* g10/trustdb.c: Likewise.
* g13/create.c: Likewise.
* g13/mountinfo.c: Likewise.
* kbx/keybox-blob.c: Likewise.
* kbx/keybox-file.c: Likewise.
* kbx/keybox-init.c: Likewise.
* kbx/keybox-search-desc.h: Likewise.
* kbx/keybox-search.c: Likewise.
* kbx/keybox-update.c: Likewise.
* scd/apdu.c: Likewise.
* scd/app-openpgp.c: Likewise.
* scd/app-p15.c: Likewise.
* scd/app.c: Likewise.
* scd/ccid-driver.c: Likewise.
* scd/command.c: Likewise.
* scd/iso7816.c: Likewise.
* sm/base64.c: Likewise.
* sm/call-agent.c: Likewise.
* sm/call-dirmngr.c: Likewise.
* sm/certchain.c: Likewise.
* sm/gpgsm.c: Likewise.
* sm/import.c: Likewise.
* sm/keydb.c: Likewise.
* sm/minip12.c: Likewise.
* sm/qualified.c: Likewise.
* sm/server.c: Likewise.
* tools/gpg-check-pattern.c: Likewise.
* tools/gpgconf-comp.c: Likewise.
* tools/gpgkey2ssh.c: Likewise.
* tools/gpgparsemail.c: Likewise.
* tools/gpgtar.c: Likewise.
* tools/rfc822parse.c: Likewise.
* tools/symcryptrun.c: Likewise.

Signed-off-by: Justus Winter <justus@g10code.com>
2015-11-17 12:50:22 +01:00
Werner Koch
6c87d1ce66 sm: Simplify fix ed8383c6
* sm/minip12.c (p12_build): Release PWBUF only at the end.
--

Suggested-by: Eygene Ryabinkin <rea@codelabs.ru>
Signed-off-by: Werner Koch <wk@gnupg.org>
2015-01-26 17:56:52 +01:00
Daniel Kahn Gillmor
ed8383c618 sm: Avoid double-free on iconv failure
* sm/minip12.c: (p12_build) if jnlib_iconv_open fails, avoid
double-free of pwbuf.

--

Observed by Joshua Rogers <honey@internot.info>, who proposed a
slightly different fix.

Debian-Bug-Id: 773472

Added fix at a second place - wk.
2014-12-22 14:00:38 +01:00
Werner Koch
0beec2f0f2 gpgsm: New commands --export-secret-key-{p8,raw}
* sm/gpgsm.c: Add new commands.
* sm/minip12.c (build_key_sequence): Add arg mode.
(p12_raw_build): New.
* sm/export.c (export_p12): Add arg rawmode.  Call p12_raw_build.
(gpgsm_p12_export): Ditto.
(print_short_info): Print the keygrip.
2014-06-03 18:57:33 +02:00
Werner Koch
096e7457ec Change all quotes in strings and comments to the new GNU standard.
The asymmetric quotes used by GNU in the past (`...') don't render
nicely on modern systems.  We now use two \x27 characters ('...').

The proper solution would be to use the correct Unicode symmetric
quotes here.  However this has the disadvantage that the system
requires Unicode support.  We don't want that today.  If Unicode is
available a generated po file can be used to output proper quotes.  A
simple sed script like the one used for en@quote is sufficient to
change them.

The changes have been done by applying

  sed -i "s/\`\([^'\`]*\)'/'\1'/g"

to most files and fixing obvious problems by hand.  The msgid strings in
the po files were fixed with a similar command.
2012-06-05 19:29:22 +02:00
Werner Koch
35c731d889 Support pkcs#12 import of PBES2 encoded data.
This is so that we read compatible with gnutls's certtool.  Only
AES-128 is supported.  The latest Libgcrypt from git is required.

Fixes bug#1321.
2011-03-10 15:30:40 +01:00
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
91056b1976 Implement export of pkcs#12 objects using a direct agent connection. 2010-06-21 10:01:24 +00:00
Werner Koch
006fd75aea Avoid using the protect-tool to import pkcs#12. 2010-06-17 15:44:44 +00:00