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Commit Graph

5282 Commits

Author SHA1 Message Date
Werner Koch
6983fd131f
dirmngr: Make --use-tor work - still leaks DNS.
* dirmngr/dirmngr.c (set_tor_mode): New.
(main, reread_configuration): Call it.
* dirmngr/http.c (http_raw_connect, send_request): Check whether TOR
mode is enabled if the FORCE_TOR flag is given.
--

The patch for http.c is a sanity check because tor mode is anyway
global as long as the Assuan socket wrappers are used.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-19 13:17:58 +02:00
Werner Koch
8c609eaf35
dirmngr: Use Assuan socket wrappers for http.c
* dirmngr/http.c: Include assuan.h.  Changed all code taking a socket
descriptor from int to assuan_fd_t.
(my_unprotect, my_protect): New.
(my_connect): Remove.
(_my_socket_new, _my_socket_unref): use assuan_sock_close.
(connect_server): Use assuan_sock_connect, assuan_sock_new, and
assuan_sock_close.
* dirmngr/Makefile.am (t_common_ldadd): Add LIBASSUAN_LIBS.
--

This change prepares for the use of SOCKS5 with http.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-19 13:17:58 +02:00
Neal H. Walfield
253afa2444 gpg: Fix formatting.
* g10/tofu.c (get_trust): Fix formatting.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
2015-10-19 10:36:21 +02:00
Neal H. Walfield
e56a116f9a gpg: Don't forget to free some memory.
* g10/tofu.c (tofu_register): Free SIG_DIGEST before returning.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
2015-10-19 10:35:38 +02:00
Neal H. Walfield
55d8845465 gpg: If a conflict occurs in batch mode, record that.
* g10/tofu.c (get_trust): If a conflict occurs when MAY_ASK is false,
set conflict to the key.  When prompting the user, don't show the
conflicting key if the conflicting key is the current key.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>
2015-10-19 10:34:15 +02:00
Werner Koch
c2c4007148
gpg: Silence two more warnings.
* g10/trustdb.c (tdb_get_validity_core): Silence a warning.
* g10/tofu.c (tofu_register): Move SIG_DIGEST computation to the top
so that it is not uninitialized in case of an early error.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-18 20:17:24 +02:00
Werner Koch
558bcd43ae
gpg: Fix harmless compiler warnings.
* g10/tofu.h (_tofu_GET_POLICY_ERROR): New.  This avoids warnings
about undefined enum values in a switch.
* g10/trustdb.h (_tofu_GET_TRUST_ERROR): New.
* g10/tofu.c (TIME_AGO_FUTURE_IGNORE): Move to the top.
(opendbs): Avoid compiler warning (use braces).
(GET_POLICY_ERROR): Replace define by enum _tofu_GET_POLICY_ERROR.
(get_policy): Remove assert.
(GET_TRUST_ERROR): Replace by _tofu_GET_TRUST_ERROR macro.
(show_statistics): Undef MIN_SECS et al. after use.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-18 20:08:38 +02:00
Werner Koch
e64c805b0c
common: Avoid warning about const char ** assignment.
* common/mkdir_p.c (gnupg_amkdir_p): Also strdup first item.  Return
an error on malloc failure.
(gnupg_mkdir_p): Fix type of dirs and tmp_dirs.
--

The code was correct but it inhibits type checking.  Instead of
casting it seems easier to simply allocate also the the first item in
DIRS.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-18 20:08:37 +02:00
Werner Koch
5aa1b392b1
Move http module from common/ to dirmngr/.
* common/http.c: Move to ../dirmngr/.
* common/http.h: Move to ../dirmngr/.
* common/t-http.c: Move to ../dirmngr/.
* common/tls-ca.pem: Move to ../dirmngr/.
* common/Makefile.am: Do not build libcommontls.a libcommontlsnpth.a.
Remove http.c related stuff.
* po/POTFILES.in: Move http.c to dirmngr/.
* dirmngr/Makefile.am (EXTRA_DIST): Add tls-ca.pem.
(module_maint_tests): New.
(noinst_PROGRAMS): Add module_maint_tests.
(dirmngr_SOURCES): Add http.c and http.h.
(dirmngr_LDADD): Remove libcommontlsnpth.
(t_common_ldadd): Ditto.
(t_http_SOURCES, t_http_CFLAGS, t_http_LDADD): New.
(t_ldap_parse_uri_SOURCES): Add http.c.
(t_ldap_parse_uri_CFLAGS): Build without npth.
($(PROGRAMS)): Do not require libcommontls.a libcommontlsnpth.a.
* dirmngr/dirmngr.h, dirmngr/ks-engine.h: Fix include of http.h.
--

All network access is done via dirmngr and thus http.c should be
there.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-18 20:08:26 +02:00
Neal H. Walfield
128a456e77 g10: Fix assert.
* g10/tofu.c (get_trust): Fix assert.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>.
2015-10-18 19:08:18 +02:00
Neal H. Walfield
f77913e0ff g10: Add TOFU support.
* configure.ac: Check for sqlite3.
(SQLITE3_CFLAGS): AC_SUBST it.
(SQLITE3_LIBS): Likewise.
* g10/Makefile.am (AM_CFLAGS): Add $(SQLITE3_CFLAGS).
(gpg2_SOURCES): Add tofu.h and tofu.c.
(gpg2_LDADD): Add $(SQLITE3_LIBS).
* g10/tofu.c: New file.
* g10/tofu.h: New file.
* g10/options.h (trust_model): Define TM_TOFU and TM_TOFU_PGP.
(tofu_db_format): Define.
* g10/packet.h (PKT_signature): Add fields digest and digest_len.
* g10/gpg.c: Include "tofu.h".
(cmd_and_opt_values): Declare aTOFUPolicy, oTOFUDefaultPolicy,
oTOFUDBFormat.
(opts): Add them.
(parse_trust_model): Recognize the tofu and tofu+pgp trust models.
(parse_tofu_policy): New function.
(parse_tofu_db_format): New function.
(main): Initialize opt.tofu_default_policy and opt.tofu_db_format.
Handle aTOFUPolicy, oTOFUDefaultPolicy and oTOFUDBFormat.
* g10/mainproc.c (do_check_sig): If the signature is good, copy the
hash to SIG->DIGEST and set SIG->DIGEST_LEN appropriately.
* g10/trustdb.h (get_validity): Add arguments sig and may_ask.  Update
callers.
(tdb_get_validity_core): Add arguments sig and may_ask.  Update
callers.
* g10/trust.c (get_validity) Add arguments sig and may_ask.  Pass them
to tdb_get_validity_core.
* g10/trustdb.c: Include "tofu.h".
(trust_model_string): Handle TM_TOFU and TM_TOFU_PGP.
(tdb_get_validity_core): Add arguments sig and may_ask.  If
OPT.TRUST_MODEL is TM_TOFU or TM_TOFU_PGP, compute the TOFU trust
level.  Combine it with the computed PGP trust level, if appropriate.
* g10/keyedit.c: Include "tofu.h".
(show_key_with_all_names_colon): If the trust mode is tofu or
tofu+pgp, then show the trust policy.
* g10/keylist.c: Include "tofu.h".
(public_key_list): Also show the PGP stats if the trust model is
TM_TOFU_PGP.
(list_keyblock_colon): If the trust mode is tofu or
tofu+pgp, then show the trust policy.
* g10/pkclist.c: Include "tofu.h".
* g10/gpgv.c (get_validity): Add arguments sig and may_ask.
(enum tofu_policy): Define.
(tofu_get_policy): New stub.
(tofu_policy_str): Likewise.
* g10/test-stubs.c (get_validity): Add arguments sig and may_ask.
(enum tofu_policy): Define.
(tofu_get_policy): New stub.
(tofu_policy_str): Likewise.
* doc/DETAILS: Describe the TOFU Policy field.
* doc/gpg.texi: Document --tofu-set-policy, --trust-model=tofu,
--trust-model=tofu+pgp, --tofu-default-policy and --tofu-db-format.
* tests/openpgp/Makefile.am (TESTS): Add tofu.test.
(TEST_FILES): Add tofu-keys.asc, tofu-keys-secret.asc,
tofu-2183839A-1.txt, tofu-BC15C85A-1.txt and tofu-EE37CF96-1.txt.
(CLEANFILES): Add tofu.db.
(clean-local): Add tofu.d.
* tests/openpgp/tofu.test: New file.
* tests/openpgp/tofu-2183839A-1.txt: New file.
* tests/openpgp/tofu-BC15C85A-1.txt: New file.
* tests/openpgp/tofu-EE37CF96-1.txt: New file.
* tests/openpgp/tofu-keys.asc: New file.
* tests/openpgp/tofu-keys-secret.asc: New file.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>.
2015-10-18 18:45:40 +02:00
Neal H. Walfield
93e855553e common: Prefix the mkdir functions with gnupg_. Make args const.
* common/mkdir_p.h (mkdir_p): Rename from this...
(gnupg_mkdir_p): ... to this.  Change directory_component's type from
char * to const char *.
(amkdir_p): Rename from this...
(gnupg_amkdir_p): ... to this.  Change directory_component's type from
char * to const char *.
* common/mkdir_p.c (mkdir_p): Rename from this...
(gnupg_mkdir_p): ... to this.  Change directory_component's type from
char * to const char *.
(amkdir_p): Rename from this...
(gnupg_amkdir_p): ... to this.  Change directory_component's type from
char * to const char *.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>.
2015-10-16 16:40:40 +02:00
NIIBE Yutaka
3de5ef7598 cleanup: Fix confusion between gpg_error_t and gpg_err_code_t.
* dirmngr/crlcache.c (hash_dbfile): Use gpg_error_t for ERR.
* kbx/keybox-update.c (keybox_set_flags): Call
gpg_err_code_from_syserror.
2015-10-14 18:57:26 +09:00
NIIBE Yutaka
0b4ebc398c po: Update Japanese translation. 2015-10-13 11:37:09 +09:00
Werner Koch
4584125802
gpg: Try hard to use MDC also for sign+symenc.
* g10/encrypt.c (use_mdc): Make it a global func.
* g10/sign.c (sign_symencrypt_file): Use that function to decide
whether to use an MDC.
* tests/openpgp/conventional-mdc.test: Add a simple test case.
--

We used --force-mdc in sign+symenc mode (-cs) only with --force-mdc.
That broke our assumption from commit 625e292 (GnuPG 2.1.9) that all
uses of modern ciphers are using MDC.

Reported-by: Ben Kibbey <bjk@luxsci.net>
Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-12 09:31:44 +02:00
Werner Koch
b0627ec259
Post release updates.
--
2015-10-10 11:49:41 +02:00
Werner Koch
086b8738f7
Release 2.1.9 2015-10-09 17:13:35 +02:00
Werner Koch
26fff2d6c4
po: Auto-update.
--
2015-10-09 17:13:21 +02:00
Werner Koch
2f1afc7da2
po: Fix two fuzzy strings in the Spansih translation
--
2015-10-09 17:11:05 +02:00
NIIBE Yutaka
5a12c45666 agent: simplify agent_get_passphrase.
* agent/call-pinentry.c (agent_get_passphrase): Simplify.
2015-10-09 11:55:18 +09:00
NIIBE Yutaka
818fa4f71e agent: fix agent_askpin.
* agent/call-pinentry.c (agent_askpin): Fix off-by-one error.
2015-10-09 11:46:23 +09:00
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
Andre Heinecke
ea079d283d
dirmngr: Default to http protocol for http-proxy
* common/http.c (send_request): Fix handling for hostname:port string.

--
The first pass to parse_uri should already do a scheme check so
that a hostname:port string is detected as invlaid and the retry
code actually takes effect and adds a http://

GnuPG-bug-id: 2109
2015-10-08 19:07:58 +02:00
Werner Koch
2eee29253d
speedo: Add a w32-release target.
--

This simplifies building a release to:

  git tag -s gnupg-2.n.m
  ./autogen.sh --force
  cd ~/b/gnupg
  ~/s/gnupg/configure --enable-maintainer-mode
  make distcheck
  tar xJf gnupg-2.n.m.tar.bz2
  make -f gnupg-2.n.m/build-aux/speedo.mk w32-release
  gpg -sbvu KEYID gnupg-2.n.m.tar.bz2
  gpg -sbvu KEYID gnupg-w32-2.n.m-20151008.tar.xz
  gpg -sbvu KEYID gnupg-w32-2.n.m-20151008.exe
  scp gnupg-2.n.m.tar.bz2              $TARGET
  scp gnupg-w32-2.n.m-20151008.tar.xz  $TARGET
  scp gnupg-w32-2.n.m-20151008.exe     $TARGET
2015-10-08 18:25:37 +02:00
Werner Koch
4c29852590
common: Allow building of mkdir_p.c for Windows.
* common/mkdir_p.c: Change license and comment debug statements.
(amkdir_p, mkdir_p): Fail on malloc error and use default_errsource to
build an error code.  Change return value to gpg_error_t.
(amkdir_p): Use gnupg_mkdir.

* common/membuf.c: Include util.h first to avoid redefined macro
warnings.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-08 16:42:14 +02:00
Werner Koch
d7b8e76f99
gpg: Add option --print-dane-records.
* g10/options.h (opt): Add field "print_dane_records".
* g10/gpg.c (oPrintDANERecords): new.
(opts): Add --print-dane-records.
(main): Set that option.
* g10/export.c (do_export): Remove EXPORT_DANE_FORMAT handling.
(do_export_stream): Add EXPORT_DANE_FORMAT handling.
* g10/keylist.c (list_keyblock_pka): Implement DANE record printing.

* g10/gpgv.c (export_pubkey_buffer): New stub.
* g10/test-stubs.c (export_pubkey_buffer): New stub.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-08 15:40:53 +02:00
Werner Koch
a2600e42f9
Fix two unused/possible-uninitialized var warnings.
--
2015-10-08 14:58:26 +02:00
Werner Koch
b6d621583f
gpg: Pass CTRL parameter to all key listing functions.
* g10/keylist.c (public_key_list): Add arg CTRL.
(secret_key_list): Ditto.
(list_all, list_one): Ditto.
(locate_one): Ditto.
(list_keyblock_pka): Ditto.
(list_keyblock): Ditto.
(list_keyblock_direct): Ditto.
* g10/keygen.c (proc_parameter_file): Add arg CTRL.
(read_parameter_file): Ditto.
(quick_generate_keypair): Ditto.
(do_generate_keypair): Ditto.
(generate_keypair): Pass arg CTRL.
* g10/gpg.c (main): Pass arg CTRL to quick_generate_keypair.
--

This will help use to implement the --server mode.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-08 14:55:07 +02:00
Werner Koch
a400958323
gpg: Remove unfinished experimental code to export as S-expressions.
* g10/options.h (EXPORT_SEXP_FORMAT): Remove.
(EXPORT_DANE_FORMAT): New.
* g10/export.c (parse_export_options): Remove "export-sexp-format".
(export_seckeys): Adjust for removed option.
(export_secsubkeys): Ditto.
(do_export): Prepare for DANE format.
(build_sexp, build_sexp_seckey): Remove.
(do_export_stream): Remove use of removed functions.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-07 16:55:15 +02:00
Werner Koch
9ac31f91b1
gpg: Add new --auto-key-locate mechanism "dane".
* g10/call-dirmngr.c (gpg_dirmngr_dns_cert): Allow fetching via DANE.
* g10/keyserver.c (keyserver_import_cert): Add arg "dane_mode".
* g10/options.h (AKL_DANE): New.
* g10/getkey.c (get_pubkey_byname): Implement AKL_DANE.
(parse_auto_key_locate): Ditto.
--

To test this use

  gpg --auto-key-locate clear,dane,local --locate-key -v wk@gnupg.org

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-06 20:31:43 +02:00
Werner Koch
264a81d827
dirmngr: Addlow fetching keys using OpenPGP DANE
* dirmngr/server.c (cmd_dns_cert): Add option --dane.
--

This implements draft-ietf-dane-openpgpkey-05.txt
To test this use

  $ gpg-connect-agent --dirmngr
  > /hex
  > dns_cert --dane wk@gnupg.org

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-06 19:59:56 +02:00
Werner Koch
211b8084ee
dirmngr: Improve DNS code to retrieve arbitrary records.
* dirmngr/dns-cert.c (get_dns_cert): Add hack to retrieve arbitrary
resource records.
* dirmngr/dns-cert.h (DNS_CERTTYPE_RRBASE): New.
(DNS_CERTTYPE_RR61): New.
--

This has been tested with ADNS on Unix and with the standard
resolver.  Because ADNS works it should also work on Windows.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-06 19:57:00 +02:00
Werner Koch
6cf80dc77e
dirmngr: Change DNS code to make additions easier.
* dirmngr/dns-cert.c (get_dns_cert) [!USE_ADNS]: Change loop to allow
adding more resource types.
2015-10-06 17:34:13 +02:00
Werner Koch
7faf45effc
dirmngr: Make commands RELOADDIRMNGR and KILLDIRMNGR work properly.
* dirmngr/server.c (cmd_killdirmngr): Set assuan close flag.
(cmd_reloaddirmngr): Use check_owner_permission.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-06 13:55:38 +02:00
Werner Koch
d5b4b4d9c1
po: Typo fix in German translation.
--
2015-10-06 13:11:12 +02:00
Werner Koch
9db6547a00
dirmngr: Do tilde expansion for --hkp-cacert.
* dirmngr/dirmngr.c (parse_rereadable_options): Do tilde expansion and
check for cert file existance in option --hkp-cacert.
--

GnuPG-bug-id: 2120
Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-06 13:10:26 +02:00
Werner Koch
625e292108
gpg: Fail decryption for AES etc message w/o MDC.
* g10/mainproc.c (proc_encrypted): Fail for modern messages w/o MDC.
--

This change turns the missing MDC warning into an error if the message
has been encrypted using a cipher with a non-64 bit block length cipher
and it is not Twofish.

We can assume that such messages are created by code which should have
been able to create MDC packets.  AES was introduced with 1.0.3 on
2000-09-18 shortly after MDC (1.0.2 on 2000-07-12).  We need to
exclude Twofish because that might have been used before MDC.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-06 09:44:15 +02:00
NIIBE Yutaka
4a5bd1720f agent: Fix verification of signature for smartcard.
* agent/pksign.c (agent_pksign_do): Use public key smartcard.

--

Since gcry_pk_verify can't handle shadowed private key, public
key SEXP should be prepared for smartcard.
2015-10-06 15:10:25 +09:00
NIIBE Yutaka
ce2a84b588 agent: Fix non-allocation for pinentry_loopback.
* agent/call-pinentry.c (agent_get_passphrase): Don't allocate, it will
be allocated by pinentry_loopback.
2015-10-06 07:52:32 +09:00
Werner Koch
f3959f14b6
gpg: Install a dirmngr.conf file.
* g10/dirmngr-conf.skel: New.
* g10/Makefile.am (EXTRA_DIST): Add file.
(install-data-local, uninstall-local): Install that file.
* g10/openfile.c (copy_options_file): Add arg "name", return a value,
simplify with xstrconcat, and factor warning message out to:
(try_make_homedir): here.  Also install dirmngr.conf.
* g10/options.skel: Remove --keyserver entry.
--

The option --keyserver in gpg has been deprecated in favor of
--keyserver in dirmngr.conf.  Thus we need to install a skeleton file
for dirmngr to set a default keyserver.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-05 19:48:47 +02:00
Werner Koch
ae471fa978
gpg: Deprecate the --keyserver option.
* g10/keyserver.c (keyserver_refresh): Change return type to
gpg_error_t.  Use gpg_dirmngr_ks_list to print the name of the
keyserver to use.
(keyserver_search): Do not print the "no keyserver" error
message.  The same error is anyway returned from dirmngr.
* g10/call-dirmngr.c (ks_status_parm_s): Add field "keyword".
(ks_status_cb): Handle other status keywords.
(gpg_dirmngr_ks_list): New.
* tools/gpgconf-comp.c (gc_options_gpg): Deprecate "keyserver".
(gc_options_dirmngr): Add "Keyserver" group and "keyserver".
--

Along with the corresponding dirmngr change this option allows to
configure the keyserver only in dirmngr.conf.  Existing
configurations will continue to work.  However, GUIs using gpgconf
now the keyserver option under the dirmngr (aka Key Acquirer) tab
unless they are in export mode in which the keyserver option is also
show for gpg.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-05 17:52:28 +02:00
Werner Koch
a48e6de603
dirmngr: Add option --keyserver.
* dirmngr/dirmngr.c (oKeyServer): New.
(opts): Add "keyserver".
(parse_rereadable_options): Parse that options
(main): Add option to the gpgconf list.
* dirmngr/dirmngr.h (opt): Add field "keyserver".
* dirmngr/server.c (ensure_keyserver): New.
(make_keyserver_item): New.  Factored out from
(cmd_keyserver): here.  Call ensure_keyserver.
(cmd_ks_search): Call ensure_keyserver.
(cmd_ks_get): Ditto.
(cmd_ks_fetch): Ditto.
(cmd_ks_put): Ditto.
--

This option specifies the keyserver to be used if the client does not
set another keyserver.  We want to fade out the use of --keyserver in
gpg.conf in favor of specifying it here.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-05 17:44:20 +02:00
Werner Koch
438730323a
dirmngr: Make clear that --use-tor is not yet ready for use.
* dirmngr/dirmngr.c (main): Print a warning if --use-tor has been
given.
* tools/gpgconf-comp.c (gc_options_dirmngr): Make --use-tor invisible.
2015-10-05 11:31:31 +02:00
Werner Koch
7392d30182
po: Update the German translation.
--
2015-10-05 11:17:40 +02:00
Werner Koch
c6400c1aa8
gpgconf: Change displayed name of Dirmngr to "Key Acquirer".
* tools/gpgconf-comp.c (gc_component): Change printed name.
--

All network access is handled by Dirmngr so at least in the GUI option
dialog we should acknowledge that by changing the name to an issuer to
understand term.  This is an update of
819bba75aa suggested by Neal Walfield.
The former term "Network Manager" conflicts with the well known GNOME
network manager tool.
2015-10-05 11:08:34 +02:00
Werner Koch
0bae2ff599
tests: Two new OpenPGP test keys from E2E.
--
2015-10-05 10:58:00 +02:00
Werner Koch
bdd180f47c
scd: Use Assuan macro instead of a number constant.
--
2015-10-02 12:21:31 +02:00
Werner Koch
75c64c2b6d
dirmngr: Fix use-after-free due to a realloc shrinking.
* dirmngr/ks-engine-hkp.c (map_host): Do not use original pointer
after realloc.
--

vex01 reported and debugged the problem.

GnuPG-bug-id: 2107
Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-02 11:31:45 +02:00
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
Werner Koch
2acceba5cc
gpg: Fix a practical hang after use of --faked-system-time.
* g10/sign.c (update_keysig_packet): Bail out if we would need to long
for a new timestamp.

Signed-off-by: Werner Koch <wk@gnupg.org>
2015-10-01 17:59:22 +02:00