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g13: First chunk of code to support dm-crypt.

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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 <wk@gnupg.org>
This commit is contained in:
Werner Koch 2015-10-21 08:38:10 +02:00
parent d711f5c769
commit 81494fd30d
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
14 changed files with 2489 additions and 9 deletions
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93
g13/g13-syshelp.h Normal file
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/* g130syshelp.h - Global definitions for G13-SYSHELP.
* Copyright (C) 2015 Werner Koch
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GnuPG is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef G13_SYSHELP_H
#define G13_SYSHELP_H
#include "g13-common.h"
struct tab_item_s;
typedef struct tab_item_s *tab_item_t;
struct tab_item_s
{
tab_item_t next;
char *label; /* Optional malloced label for that entry. */
char *mountpoint; /* NULL or a malloced mountpoint. */
char blockdev[1]; /* String with the name of the block device. If
it starts with a slash is is a regular device
name, otherwise it is a PARTUUID. */
};
/* Forward declaration for an object defined in g13-sh-cmd.c. */
struct server_local_s;
/* Session control object. This object is passed down to most
functions. The default values for it are set by
g13_syshelp_init_default_ctrl(). */
struct server_control_s
{
int no_server; /* We are not running under server control */
int status_fd; /* Only for non-server mode */
struct server_local_s *server_local;
struct {
uid_t uid; /* UID of the client calling use. */
char *uname;
tab_item_t tab;/* Linked list with the g13tab items for this user. */
} client;
/* Flag indicating that we should fail all commands. */
int fail_all_cmds;
/* Type of the current container. See the CONTTYPE_ constants. */
int conttype;
/* A pointer into client.tab with the selected tab line or NULL. */
tab_item_t devti;
};
/*-- g13-syshelp.c --*/
void g13_syshelp_init_default_ctrl (struct server_control_s *ctrl);
/*-- sh-cmd.c --*/
gpg_error_t syshelp_server (ctrl_t ctrl);
gpg_error_t sh_encrypt_keyblob (ctrl_t ctrl,
const void *keyblob, size_t keybloblen,
char **r_enckeyblob, size_t *r_enckeybloblen);
/*-- sh-exectool.c --*/
gpg_error_t sh_exec_tool (const char *pgmname, const char *argv[],
const char *input_string,
char **result, size_t *resultlen);
/*-- sh-blockdev.c --*/
gpg_error_t sh_blockdev_getsz (const char *name, unsigned long long *r_nblocks);
gpg_error_t sh_is_empty_partition (const char *name);
/*-- sh-dmcrypt.c --*/
gpg_error_t sh_dmcrypt_create_container (ctrl_t ctrl, const char *devname,
estream_t devfp);
#endif /*G13_SYSHELP_H*/