* g10/gpg.c (build_list): Rewrite to cope with buffer overflow in
certain locales.
--
This fixes an obvious bug in locales where the translated string is
longer than the original. The bug could be exhibited by using
LANG=ru_RU.utf8 gpg -v --version.
En passant we also removed the trailing white space on continued
lines.
Reported-by: Dmitry V. Levin" <ldv at altlinux.org>
(cherry picked from commit 3402a84720e7d8c6ad04fc50eacb338a8ca05ca1)
Signed-off-by: Werner Koch <wk@gnupg.org>
* common/init.c (mem_cleanup_item_t): New.
(run_mem_cleanup): New.
(_init_common_subsystems): Add an atexit for it.
(register_mem_cleanup_func): New.
* g10/kbnode.c (cleanup_registered): New.
(release_unused_nodes): New.
(alloc_node): Call register_mem_cleanup_func.
--
It is often time consuming to figure out whether still allocated
memory at process termination is fine (e.g. a cache) or a problem. To
help for that register_mem_cleanup_func may now be used to cleanup
such memory. The run time of the program will be longer; if that
turns out to be a problem we can change the code to only run in
debugging mode.
* include/cipher.h (PUBKEY_USAGE_NONE): New.
* g10/getkey.c (parse_key_usage): Set new flag.
--
We do not want to use the default capabilities (derived from the
algorithm) if any key flags are given in a signature. Thus if key
flags are used in any way, the default key capabilities are never
used.
This allows to create a key with key flags set to all zero so it can't
be used. This better reflects common sense.
* g10/keygen.c (append_to_parameter): New.
(proc_parameter_file): Use new func to extend the parameter list.
* g10/passphrase.c (passphrase_to_dek_ext): Print a diagnostic of
gcry_kdf_derive failed.
* g10/keygen.c (proc_parameter_file): Print a diagnostic if
passphrase_to_dek failed.
--
Due to an improper way of using the linked list head, all memory for
items allocated in proc_parameter_file was never released. If batched
key generation with a passphrase and more than ~200 keys was used this
exhausted the secure memory.
* g10/keygen.c (append_to_parameter): New.
(proc_parameter_file): Use new func to extend the parameter list.
* g10/passphrase.c (passphrase_to_dek_ext): Print a diagnostic of
gcry_kdf_derive failed.
* g10/keygen.c (proc_parameter_file): Print a diagnostic if
passphrase_to_dek failed.
--
Due to an improper way of using the linked list head, all memory for
items allocated in proc_parameter_file was never released. If batched
key generation with a passphrase and more than ~200 keys was used this
exhausted the secure memory.
* g10/gpg.c: Include shareddefs.h.
(main): Add option --pinentry-mode.
* g10/options.h (struct opt): Add field pinentry_mode.
* g10/passphrase.c: Include shareddefs.h.
(have_static_passphrase): Take care of loopback pinentry_mode.
(read_passphrase_from_fd): Ditto.
(get_static_passphrase): New.
(passphrase_to_dek_ext): Factor some code out to ...
(emit_status_need_passphrase): new.
* g10/call-agent.c (start_agent): Send the pinentry mode.
(default_inq_cb): Take care of the PASSPHRASE inquiry. Return a
proper error code.
(agent_pksign): Add args keyid, mainkeyid and pubkey_algo.
(agent_pkdecrypt): Ditto.
* g10/pubkey-enc.c (get_it): Pass new args.
* g10/sign.c (do_sign): Pass new args.
* g10/call-agent.c (struct default_inq_parm_s): New. Change all
similar structs to reference this one. Change all users and inquire
callback to use this struct, instead of NULL or some undefined but not
used structs. This change will help to eventually get rid of global
variables.
--
This new features allows to use gpg without a Pinentry. As a
prerequisite the agent must be configured to allow the loopback
pinentry mode (option --allow-loopback-pinentry). For example
gpg2 --pinentry-mode=loopback FILE.gpg
may be used to decrypt FILE.gpg while entering the passphrase on the
tty. If batch is used, --passphrase et al. may be used, if
--command-fd is used, the passphrase may be provided by another
process. Note that there are no try-again prompts in case of a bad
passphrase.
* common/iobuf.c (iobuf_seek): Fix for temp streams.
* g10/pubkey-enc.c (get_session_key, get_it): Add some log_clock calls.
* g10/keydb.c (dump_search_desc): New.
(enum_keyblock_states, struct keyblock_cache): New.
(keyblock_cache_clear): New.
(keydb_get_keyblock, keydb_search): Implement a keyblock cache.
(keydb_update_keyblock, keydb_insert_keyblock, keydb_delete_keyblock)
(keydb_rebuild_caches, keydb_search_reset): Clear the cache.
--
Gpg uses the key database at several places without a central
coordination. This leads to several scans of the keybox for the same
key. To improve that we now use a simple cache to store a retrieved
keyblock in certain cases. In theory this caching could also be done
for old keyrings, but it is a bit more work and questionable whether
it is needed; the keybox scheme is anyway much faster than keyrings.
Using a keybox with 20000 384 bit ECDSA/ECHD keypairs and a 252 byte
sample text we get these values for encrypt and decrypt operations on
an Core i5 4*3.33Ghz system. The option --trust-model=always is used.
Times are given in milliseconds wall time.
| | enc | dec | dec,q |
|-----------+-----+-----+-------|
| key 1 | 48 | 96 | 70 |
| key 10000 | 60 | 98 | 80 |
| key 20000 | 69 | 106 | 88 |
| 10 keys | 540 | 290 | 70 |
The 10 keys test uses a mix of keys, the first one is used for
decryption but all keys are looked up so that information about are
printed. The last column gives decryption results w/o information
printing (--quiet).
The keybox is always scanned sequentially without using any index. By
adding an index to the keybox it will be possible to further reduce
the time required for keys stored to the end of the file.
* g10/keydb.c (parse_keyblock_image): Add args PK_NO and UID_NO and
set the note flags accordingly.
(keydb_get_keyblock): Transfer PK_NO and UID_NO to parse_keyblock_image.
* kbx/keybox-search.c (blob_cmp_fpr, blob_cmp_fpr_part)
(blob_cmp_name, blob_cmp_mail): Return the key/user number.
(keybox_search): Set the key and user number into the found struct.
(keybox_get_keyblock): Add args R_PK_NO and R_UID_NO and set them from
the found struct.
--
getkey.c needs to know whether the correct subkey was found. Thus we
need to set the node flags the same way we did it with the keyring
storage.
* common/logging.c (log_clock): New.
* g10/gpg.c (set_debug): Print clock debug flag.
* g10/options.h (DBG_CLOCK_VALUE, DBG_CLOCK): New.
--
To actually use log_clock you need to enable the code in
logginc.c:log_check() and link against librt. --debug 4096 may then
be used to enable it at runtime.
* g10/getkey.c (cache_public_key): Make room in the cache if needed.
--
To create the selfsigs, the key generation code makes use of the key
cache. However, after 4096 the cache is filled up and then disabled.
Thus generating more than 4096 keys in one run was not possible. We
now clear the first half the inserted keys every time the cache gets
full.
* g10/keydb.c (parse_keyblock_image): Add arg SIGSTATUS.
(keydb_get_keyblock): Handle it.
(build_keyblock_image): Add arg SIGSTATUS.
(keydb_insert_keyblock): Handle it.
* kbx/keybox-blob.c (pgp_create_sig_part): Add arg SIGSTATUS.
(_keybox_create_openpgp_blob): Ditto.
* kbx/kbxutil.c (import_openpgp): Adjust for above change.
* kbx/keybox.h (KEYBOX_FLAG_SIG_INFO): New.
* kbx/keybox-search.c (_keybox_get_flag_location): Handle new flag.
(keybox_get_keyblock): Add arg R_SIGSTATUS.
* kbx/keybox-update.c (keybox_insert_keyblock): Add arg SIGSTATUS.
--
With this change a key listing using the keybox format is now double
as fast as using a keyring. The memory use dropped as well. Measured
with about 1500 keys.
* g10/getkey.c (get_pubkey_fast): Improve the assertion.
* kbx/keybox.h: Include iobuf.h.
* kbx/keybox-blob.c (keyboxblob_uid): Add field OFF.
(KEYBOX_WITH_OPENPGP): Remove use of this macro.
(pgp_create_key_part_single): New.
(pgp_temp_store_kid): Change to use the keybox-openpgp parser.
(pgp_create_key_part): Ditto.
(pgp_create_uid_part): Ditto.
(pgp_create_sig_part): Ditto.
(pgp_create_blob_keyblock): Ditto.
(_keybox_create_openpgp_blob): Ditto.
* kbx/keybox-search.c (keybox_get_keyblock): New.
* kbx/keybox-update.c (keybox_insert_keyblock): New.
* g10/keydb.c (parse_keyblock_image):
(keydb_get_keyblock): Support keybox.
(build_keyblock_image): New.
(keydb_insert_keyblock): Support keybox.
* kbx/kbxutil.c (import_openpgp, main): Add option --dry-run and print
a kbx file to stdout.
* kbx/keybox-file.c (_keybox_read_blob2): Allow keyblocks up to 10^6
bytes.
--
Import and key listing does now work with the keybox format. It is
still quite slow and signature caching is completely missing.
Increasing the maximum allowed length for a keyblock was required due
to a 700k keyblock which inhibited kbxutil to list the file.
kbxutil's option name --import-openpgp is not quite appropriate
because it only creates KBX blobs from OpenPGP data.
* kbx/keybox-defs.h (_keybox_write_header_blob): Move prototype to ..
* kbx/keybox.h: here.
* kbx/keybox-init.c (keybox_lock): Add dummy function
* g10/keydb.c: Include keybox.h.
(KeydbResourceType): Add KEYDB_RESOURCE_TYPE_KEYBOX.
(struct resource_item): Add field kb.
(maybe_create_keyring_or_box): Add error descriptions to diagnostics.
Add arg IS_BOX. Write a header for a new keybox file.
(keydb_add_resource): No more need for the force flag. Rename the
local variable "force" to "create". Add URL scheme "gnupg-kbx". Add
magic test to detect a keybox file. Add basic support for keybox.
(keydb_new, keydb_get_resource_name, keydb_delete_keyblock)
(keydb_locate_writable, keydb_search_reset, keydb_search2): Add
support for keybox.
(lock_all, unlock_all): Ditto.
* g10/Makefile.am (needed_libs): Add libkeybox.a.
(gpg2_LDADD, gpgv2_LDADD): Add KSBA_LIBS as a workaround.
* g10/keydb.h (KEYDB_RESOURCE_FLAG_PRIMARY)
KEYDB_RESOURCE_FLAG_DEFAULT, KEYDB_RESOURCE_FLAG_READONLY): New.
* g10/gpg.c, g10/gpgv.c (main): Use new constants.
--
I did most of these changes back in 2011 and only cleaned them up
now. More to follow soon.
* g10/import.c (valid_keyblock_packet): New.
(read_block): Store only valid packets.
--
A corrupted key, which for example included a mangled public key
encrypted packet, used to corrupt the keyring. This change skips all
packets which are not allowed in a keyblock.
GnuPG-bug-id: 1455
(cherry-picked from commit f795a0d59e197455f8723c300eebf59e09853efa)
* keyserver.c (print_keyrec): Honor --keyid-format when getting back
full fingerprints from the keyserver (the comment in the code was
correct, the code was not).
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.
* g10/keygen.c (keygen_set_std_prefs): Include IDEA only in PGP2
compatibility mode.
* g10/misc.c (idea_cipher_warn): Remove. Also remove all callers.
* common/status.h (STATUS_RSA_OR_IDEA): Remove. Do not emit this
status anymore.
--
To keep the number of actually used algorithms low, we want to support
IDEA only in a basically read-only way (unless --pgp2 is used during
key generation). It does not make sense to suggest the use of this
old 64 bit blocksize algorithm. However, there is old data available
where it might be helpful to have IDEA available.
GnuPG requires that options are given before other arguments. This
can sometimes be confusing. We now print a warning if we found an
argument looking alike a long option without being preceded by the
stop option. This is bug#1343.
* common/argparse.h (ARGPARSE_FLAG_STOP_SEEN): New.
* common/argparse.c (arg_parse): Set new flag.
* g10/gpg.c (main): Print the warning.
* agent/gpg-agent.c (main): Ditto.
* dirmngr/dirmngr.c (main): Ditto.
* g13/g13.c (main): Ditto.
* scd/scdaemon.c (main): Ditto.
* sm/gpgsm.c (main): Ditto.
* tools/gpg-connect-agent.c (main): Ditto.
* tools/gpgconf.c (main): Ditto.
For the shared code parts it is cumbersome to pass an error sourse
variable to each function. Its value is always a constant for a given
binary and thus a global variable makes things a lot easier than the
former macro stuff.
* common/init.c (default_errsource): New global var.
(init_common_subsystems): Rename to _init_common_subsystems. Set
DEFAULT_ERRSOURCE.
* common/init.h: Assert value of GPG_ERR_SOURCE_DEFAULT.
(init_common_subsystems): New macro.
* common/util.h (default_errsource): Add declaration.
* kbx/keybox-defs.h: Add some GPG_ERR_SOURCE_DEFAULT trickery.
* g10/sign.c (update_keysig_packet): Honor --cert-digest-algo when
recreating a cert.
This is used by various things in --edit-key like setpref, primary,
etc. Suggested by Christian Aistleitner.
* g10/gpgv.c, g10/trustdb.c (read_trust_options): Add min_cert_level
* g10/trustdb.c (check_trustdb_stale): Request a rebuild if
pending_check_trustdb is true (set when we detect a trustdb
parameter has changed).
* g10/keylist.c (public_key_list): Use 'l' in the "tru" with-colons
listing for min_cert_level not matching.
* g10/tdbio.c (tdbio_update_version_record, create_version_record,
tdbio_db_matches_options, tdbio_dump_record, tdbio_read_record,
tdbio_write_record): Add a byte for min_cert_level in the tdbio
version record.
* g10/misc.c (pubkey_get_npkey, pubkey_get_nskey)
(pubkey_get_nsig, pubkey_get_nenc): Map all RSA algo ids to
GCRY_PK_RSA.
--
The problem is that Libgcrypt has no more support for the alternate
RSA ids and thus if asking for the number of parameters, they will
return zero. Now, this leads to packing the key parameters into an
opaque MPI but because the algorithm id is actually known to GPG, it
assumes valid RSA parameters.
An example key with RSA_S is 0x5434509D.
* scripts/gitlog-to-changelog: New script. Taken from gnulib.
* scripts/git-log-fix: New file.
* scripts/git-log-footer: New file.
* doc/HACKING: Describe the ChangeLog policy
* ChangeLog: New file.
* Makefile.am (EXTRA_DIST): Add new files.
(gen-ChangeLog): New.
(dist-hook): Run gen-ChangeLog.
Rename all ChangeLog files to ChangeLog-2011.
* common/dns-cert.c: Remove iobuf.h.
(get_dns_cert): Rename to _get_dns_cert. Remove MAX_SIZE arg. Change
iobuf arg to a estream-t. Rewrite function to make use of estream
instead of iobuf. Require all parameters. Return an gpg_error_t
error instead of the type. Add arg ERRSOURCE.
* common/dns-cert.h (get_dns_cert): New macro to pass the error source
to _gpg_dns_cert.
* common/t-dns-cert.c (main): Adjust for changes in get_dns_cert.
* g10/keyserver.c (keyserver_import_cert): Ditto.
* doc/gpg.texi (GPG Configuration Options): Remove max-cert-size.
This works by specifying the keygrip instead of an algorithm (section
number 13) and requires that the option -expert has been used. It
will be easy to extend this to the primary key.
