* tpm2d: New directory.
* Makefile.am (SUBDIRS): Add directory.
* configure.ac: Detect libtss and decide whether to build tpm2d.
* am/cmacros.am: Add a define.
* util.h (GNUPG_MODULE_NAME_TPM2DAEMON): New.
* common/homedir.c (gnupg_module_name): Add tpm2d.
* common/mapstrings.c (macros): Add "TPM2DAEMON".
* tools/gpgconf.h (GC_COMPONENT_TPM2DAEMON): New.
* tools/gpgconf-comp.c (known_options_tpm2daemon): New.
(gc_component): Add TPM2.
(tpm2daemon_runtime_change): New.
* tpm2d/Makefile.am: New.
* tpm2d/command.c: New.
* tpm2d/ibm-tss.h: New.
* tpm2d/tpm2.c: New.
* tpm2d/tpm2.h: New.
* tpm2d/tpm2daemon.c: New.
* tpm2d/tpm2daemon.h: New.
---
This commit adds and plumbs in a tpm2daemon to the build to mirror the
operation of scdaemon. The architecture of the code is that
tpm2daemon.c itself is pretty much a clone of scd/scdaemon.c just with
updated function prefixes (this argues there could be some further
consolidation of the daemon handling code). Note that although this
commit causes the daemon to be built and installed, nothing actually
starts it or uses it yet.
Command handling
----------------
command.c is copied from the command handler in scd.c except that the
command implementation is now done in terms of tpm2 commands and the
wire protocol is far simpler. The tpm2daemon only responds to 4
commands
IMPORT: import a standard s-expression private key and export it to
TPM2 format. This conversion cannot be undone and the
private key now can *only* be used by the TPM2. To anyone
who gets hold of the private key now, it's just an
encrypted binary blob.
PKSIGN: create a signature from the tpm2 key. The TPM2 form private
key is retrieved by KEYDATA and the hash to be signed by
EXTRA. Note there is no hash specifier because the tpm2
tss deduces the hash type from the length of the EXTRA
data. This is actually a limitation of the tpm2 command
API and it will be interesting to see how this fares if the
tpm2 ever supports say sha3-256 hashes.
PKDECRYPT: decrypt (RSA case) or derive (ECC case) a symmetric key.
The tpm2 for private key is retrieved by KEYDATA and the
information used to create the symmetric key by EXTRA.
KILLTPM2D: stop the daemon
All the tpm2 primitives used by command.c are in tpm2.h and all the
tpm2 specific gunk is confined to tpm2.c, which is the only piece of
this that actually does calls into the tss library.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Changes from James' patch:
- gpgconf: The displayed name is "TPM" and not "TPM2". That
string is used by GUIs and should be something the user
understands. For example we also use "network" instead
of "Dirmngr".
- Removed some commented includes.
- Use 16 as emulation of GPG_ERR_SOURCE_TPM2.
- Silenced a C90 compiler warning and flags unused parameters.
- Removed "if HAVE_LIBS" from tpm2/Makefile.am and add missing
files so that make distcheck works.
Signed-off-by: Werner Koch <wk@gnupg.org>
* common/asshelp.c (lock_spawning): Use a dedicated name for keyboxd.
* common/homedir.c (keyboxd_socket_name): New.
(gnupg_module_name): Put keyboxd into libexecdir.
* tools/gpgconf-comp.c (known_options_keyboxd): New.
(gc_component): Add entry for keyboxd.
(keyboxd_runtime_change): New.
(gc_component_launch): Support keyboxd.
* tools/gpgconf.c (list_dirs): Emit new item keyboxd-socket.
(main): Also remove keyboxd socket.
Signed-off-by: Werner Koch <wk@gnupg.org>
* tools/gpgconf.h (gc_component_id_t): Align order with gc_component
array.
--
Fixes-commit: b4f1159a5b
gpgconf: Rewrite the gpgconf-comp module
from 2020-03-12
Signed-off-by: Werner Koch <wk@gnupg.org>
* tools/gpgconf.h (gc_component_t): Change type to ...
(gc_component_id_t): this.
(GC_COMPONENT_ANY): New, so that we can use that in gpgconf-comp.c
directly.
* tools/gpgconf-comp.c: Major rework.
--
The primary reason for this rework is to support the global options.
A second reason is to clean up the code and simplify it so that we do
not anymore need to maintain a list of options in the components _and_
in gpgconf-comp.c.
What we do now is to
1. Read the option tables directly from the components using
the new generic --dump-option-table option. This includes
the header (group) descriptions.
2. Read the default values from the components as before using
--gpgconf-list and update gpgconf's internal tables with
that info.
3. Read the options using gpgrt_argparser in the same way as we do
this in the components.
The changes also do away with the second level notion of backends;
they were only used for dirmngr's extra dirmngr_ldapservers.conf file.
We intend to remove that file and replace it with a regular option so
that it will be similar on how OpenPGP keyservers are specified.
The whole thing will currently be slower than before (in particular on
Windows) but we can optimize that by keeping a cached version of the
option tables and the default values in a per homedir cache file.
There is also some work planned to remove most of the data returned by
--gpgconf-list. What can also be done is to replace the internal
tables, which list the gpgconf maintainable options, by a configuration
file so that admins are able to maintain the list of these options.
GnuPG-bug-id: 4788
Signed-off-by: Werner Koch <wk@gnupg.org>
* common/util.h (EXTERN_UNLESS_MAIN_MODULE): Add the definion only
here but now without the Norcroft-C. Change all other places where it
gets defined.
* common/iobuf.h (iobuf_debug_mode): Declare unconditionally as
extern.
* common/iobuf.c (iobuf_debug_mode): Define it here.
* agent/gpg-agent.c (INCLUDED_BY_MAIN_MODULE): Define here and also in
all main modules of all other programs.
* g10/main.h: Put util.h before the local header files.
--
This change is required for use with gcc/ld's LTO feature which does
not allow common blocks. Further gcc 10 will make -fno-common the
default and thus this chnage is always needed. What a pitty.
Co-authored-by: Tomáš Mráz
GnuPG-bug-id: 4831
Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 21d9bd8b87)
- Applied respective chnages also to gpg-card and keyboxd.
Signed-off-by: Werner Koch <wk@gnupg.org>
* tools/gpgconf-comp.c (gc_component_t): Move this enum to ...
* tools/gpgconf.h: here.
* tools/gpgconf.c (oShowSocket): New.
(opts): Add new option.
(main): Implement new option.
--
This is a convenience options for software which directly connects to
gpg-agent and thus needs to new the socket. By using --show-socket
along with --launch that software can also autostart the agent or the
dirmngr. Without this two calls to gpgconf would be required.
Actually the same behaviour can be achieved by running
gpg-connect-agent to query the running gpg-agent's socket via GETINFO.
The gpg-connect also makes sure that the agent is started. This is
not anymore suggested because gpgconf shall in future be used for all
such things.
Signed-off-by: Werner Koch <wk@gnupg.org>
* tools/gpgconf.c (oStatusFD): New const.
(opts): New option --status-fd.
(statusfp): New var.
(set_status_fd): New.
(gpgconf_write_status): New.
(gpgconf_failure): New.
(main): Set status fd and replace exit by gpgconf_failure.
* tools/gpgconf-comp.c: Repalce exit by gpgconf_failure.
(gc_process_gpgconf_conf): Print a few warning status messages.
Signed-off-by: Werner Koch <wk@gnupg.org>
* tools/gpgconf.c (aApplyProfile): New.
(opts): New command --apply-profile.
(main): Implement that command.
* tools/gpgconf-comp.c (option_check_validity): Add arg VERBATIM.
(change_options_program): Ditto.
(change_one_value): Ditto.
(gc_component_change_options): Ditto.
(gc_apply_profile): New.
--
Here is an example for a profile
--8<---------------cut here---------------start------------->8---
# foo.prf - Sample profile
[gpg]
compliance de-vs
default-new-key-algo brainpoolP256r1+brainpoolP256r1
[gpgsm]
enable-crl-checks
[gpg-agent]
default-cache-ttl 900
max-cache-ttl [] 3600
no-allow-mark-trusted
no-allow-external-cache
enforce-passphrase-constraints
min-passphrase-len 9
min-passphrase-nonalpha 0
[dirmngr]
keyserver hkp://keys.gnupg.net
allow-ocsp
--8<---------------cut here---------------end--------------->8---
Note that flags inside of brackets are allowed after the option name.
The only defined flag for now is "[default]". In case the value
starts with a bracket, it is possible to insert "[]" as a nop-flag.
Signed-off-by: Werner Koch <wk@gnupg.org>
* tools/gpgconf.h (opt): Add field 'null'.
* tools/gpgconf.c: Add option --null/-0.
(list_dirs): Use it here.
--
This option changes the delimites for --list-dir with arguments from
LF to Nul.
Signed-off-by: Werner Koch <wk@gnupg.org>
This solves a problem where ccid was used, the card unplugged and then
scdaemon tries to find a new (plugged in) reader and thus will
eventually try PC/SC over and over again.
Also added an explicit --kill command to gpgconf.
James Bottomley