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* g13/g13.c (main): Implement command --umount.
* g13/mount.c (g13_umount_container): use the syshelper if needed.
* g13/backend.c (be_umount_container): New.
* g13/be-dmcrypt.c (be_dmcrypt_umount_container): New.
* g13/call-syshelp.c (call_syshelp_run_umount): New.
* g13/sh-cmd.c (cmd_umount): New.
(register_commands): Register UMOUNT.
* g13/sh-dmcrypt.c (sh_dmcrypt_umount_container): New.
Signed-off-by: Werner Koch <[email protected]>
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* g13/sh-cmd.c (cmd_getkeyblob): New.
(register_commands): Register it.
* g13/call-syshelp.c (getkeyblob_data_cb): New.
(call_syshelp_get_keyblob): New.
* g13/mount.c: Include callsyshelp.h.
(g13_mount_container): Ask syshelp whether the filename is managed by
g13tab. Call syshelp to get the encrypted keyblob in this case.
Signed-off-by: Werner Koch <[email protected]>
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* common/status.h (STATUS_BLOCKDEV: New.
* g13/call-syshelp.c: Include "call-syshelp.h".
(finddevice_status_cb, call_syshelp_find_device): New.
* g13/g13.c (aFindDevice): New.
(opts): Add "--find-device".
(main): Implement --find-device.
* g13/sh-cmd.c (cmd_finddevice): New.
(register_commands): Register new command.
--
This might be useful for scripting.
Signed-off-by: Werner Koch <[email protected]>
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* g13/g13.c (aSuspend, aResume): New.
(opts): Add commands --suspend and --resume.
(main): Implement dummy command aUmount. Implement commands aResume
and aSuspend.
* g13/sh-cmd.c (cmd_suspend): New.
(cmd_resume): New.
(register_commands): Add commands RESUME and SUSPEND.
* g13/server.c (cmd_suspend): New.
(cmd_resume): New.
(register_commands): Add commands RESUME and SUSPEND.
* g13/be-dmcrypt.c (be_dmcrypt_suspend_container): New.
(be_dmcrypt_resume_container): New.
* g13/backend.c (be_suspend_container): New.
(be_resume_container): New.
* g13/suspend.c, g13/suspend.h: New.
* g13/mount.c (parse_header, read_keyblob_prefix, read_keyblob)
(decrypt_keyblob, g13_is_container): Move to ...
* g13/keyblob.c: new file.
(keyblob_read): Rename to g13_keyblob_read and make global.
(keyblob_decrypt): Rename to g13_keyblob_decrypt and make global.
* g13/sh-dmcrypt.c (check_blockdev): Add arg expect_busy.
(sh_dmcrypt_suspend_container): New.
(sh_dmcrypt_resume_container): New.
* g13/call-syshelp.c (call_syshelp_run_suspend): New.
(call_syshelp_run_resume): New.
--
The --suspend command can be used before a hibernate operation to make
the encrypted partition inaccessible and wipe the key from the memory.
Before --suspend is called a sync(1) should be run to make sure that
their are no dirty buffers (dmsetup, as called by g13, actually does
this for you but it does not harm to do it anyway. After the
partition has been suspended a
echo 3 >proc/sys/vm/drop_caches
required to flush all caches which may still have content from the
encrypted partition.
The --resume command reverses the effect of the suspend but to do this
it needs to decrypt again. Now, if the .gnupg directory lives on the
encrypted partition this will be problematic because due to the
suspend all processes accessing data on the encrypted partition will
be put into an uninterruptible sleep (ps(1) shows a state of 'D').
This needs to be avoided. A workaround is to have a separate GnuPG
home directory (say, "~/.gnupg-fallback") with only the public keys
required to decrypt the partition along with a properly setup
conf files. A
GNUPGHOME=$(pwd)/.gnupg-fallback g13 --resume
should then be able to resume the encrypted partition using the
private key stored on a smartcard.
The implementation is pretty basic right now but useful to me.
Signed-off-by: Werner Koch <[email protected]>
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* g13/be-dmcrypt.c, g13/be-dmcrypt.h: New.
* g13/Makefile.am (g13_SOURCES): Add them.
* g13/backend.c: Include be-dmcrypt.h and call-syshelp.h.
(no_such_backend): Rename to _no_such_backend and provide replacement
macro.
(be_is_supported_conttype): Support DM-Crypt.
(be_take_lock_for_create): Call set_segvice for DM-Crypt.
(be_create_new_keys): Make it a dummy for DM-Crypt.
(be_create_container): Call be_dmcrypt_create_container.
(be_mount_container): call be_dmcrypt_mount_container.
* g13/g13-syshelp.c (main): Enable verbose mode.
* g13/g13tuple.c (get_tupledesc_data): New.
* g13/g13tuple.h (unref_tupledesc): New.
* g13/g13.h (server_control_): Add field "recipients".
* g13/g13.c (main): Fix setting of recipients via cmdline.
(g13_deinit_default_ctrl): Release recipients list.
(g13_request_shutdown): New. Replace all direct update of
shutdown_pending by calls this function.
* g13/server.c (server_local_s): Remove field recipients which is now
part of CTRL.
(reset_notify, cmd_recipient, cmd_create): Adjust for this change.
* g13/create.c (encrypt_keyblob): Rename to g13_encrypt_keyblob.
(g13_create_container): Support DM-Crypt.
* g13/mount.c (parse_header): Allow for meta data copies.
(g13_mount_container): Support DM-Crypt.
* g13/sh-cmd.c (cmd_create): Make it work.
(cmd_mount): New.
* g13/sh-dmcrypt.c (sh_dmcrypt_create_container): Make it work.
(sh_dmcrypt_mount_container): New.
--
With this patch we can now create an encrypted partition and partly
mount it (i.e. setup keys and create the mapped device). We do not yet
create a file system or mount that file system
Signed-off-by: Werner Koch <[email protected]>
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* g13/call-syshelp.c, g13/call-syshelp.h: New.
* g13/g13-syshelp.c, g13/g13-syshelp.h: New.
* g13/sh-cmd.c: New.
* g13/sh-blockdev.c: New.
* g13/sh-exectool.c: New.
* g13/sh-dmcrypt.c: New.
* g13/Makefile.am (sbin_PROGRAMS): Add g13-syshelp.c
(g13_syshelp_SOURCES): New.
(g13_syshelp_LDADD): New.
* g13/g13.c (opts): Add option --type.
(g13_deinit_default_ctrl): New.
(main): Implement that option. Call g13_deinit_default_ctrl.
* g13/g13.h (struct call_syshelp_s): New declaration.
(server_control_s): Add field syshelp_local.
* g13/keyblob.h (KEYBLOB_TAG_CREATED): New.
(KEYBLOB_TAG_ALGOSTR): New.
(KEYBLOB_TAG_HDRCOPY): New.
* g13/backend.c (be_parse_conttype_name): New.
(be_get_detached_name): Add CONTTYPE_DM_CRYPT.
Signed-off-by: Werner Koch <[email protected]>
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* scd/atr.c: Rewrite.
* scd/Makefile.am (scdaemon_SOURCES): Add atr.c and atr.h.
* scd/command.c (cmd_apdu): Add option --dump-atr.
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Removed intl/.
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'GNUPG-1-9-BRANCH'.
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'GNUPG-1-9-BRANCH'.
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* configure.ac: Check for ftello and provide a replacement.
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numbers between gpg, gpgsm and gpg-agent. Move some files and code to
there.
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check the certification path.
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