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/*
* Copyright (C) 2016 Colin Walters <walters@verbum.org>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "ot-main.h"
#include "ot-admin-builtins.h"
#include "ot-admin-functions.h"
#include "ostree.h"
#include "otutil.h"
#include <glib/gi18n.h>
#include <err.h>
static gboolean opt_hotfix;
static gboolean opt_transient;
static GOptionEntry options[] = {
{ "hotfix", 0, 0, G_OPTION_ARG_NONE, &opt_hotfix, "Retain changes across reboots", NULL },
{ "transient", 0, 0, G_OPTION_ARG_NONE, &opt_transient, "Mount overlayfs read-only by default", NULL },
{ NULL }
};
gboolean
ot_admin_builtin_unlock (int argc, char **argv, OstreeCommandInvocation *invocation, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
g_autoptr(GOptionContext) context = NULL;
g_autoptr(OstreeSysroot) sysroot = NULL;
OstreeDeployment *booted_deployment = NULL;
OstreeDeploymentUnlockedState target_state;
context = g_option_context_new ("");
if (!ostree_admin_option_context_parse (context, options, &argc, &argv,
OSTREE_ADMIN_BUILTIN_FLAG_SUPERUSER,
invocation, &sysroot, cancellable, error))
goto out;
if (argc > 1)
{
ot_util_usage_error (context, "This command takes no extra arguments", error);
goto out;
}
booted_deployment = ostree_sysroot_require_booted_deployment (sysroot, error);
if (!booted_deployment)
goto out;
if (opt_hotfix && opt_transient)
{
glnx_throw (error, "Cannot specify both --hotfix and --transient");
goto out;
}
else if (opt_hotfix)
target_state = OSTREE_DEPLOYMENT_UNLOCKED_HOTFIX;
else if (opt_transient)
target_state = OSTREE_DEPLOYMENT_UNLOCKED_TRANSIENT;
else
target_state = OSTREE_DEPLOYMENT_UNLOCKED_DEVELOPMENT;
if (!ostree_sysroot_deployment_unlock (sysroot, booted_deployment,
target_state, cancellable, error))
goto out;
switch (target_state)
{
case OSTREE_DEPLOYMENT_UNLOCKED_NONE:
g_assert_not_reached ();
break;
case OSTREE_DEPLOYMENT_UNLOCKED_HOTFIX:
g_print ("Hotfix mode enabled. A writable overlayfs is now mounted on /usr\n"
"for this booted deployment. A non-hotfixed clone has been created\n"
"as the non-default rollback target.\n");
break;
case OSTREE_DEPLOYMENT_UNLOCKED_DEVELOPMENT:
g_print ("Development mode enabled. A writable overlayfs is now mounted on /usr.\n"
"All changes there will be discarded on reboot.\n");
break;
case OSTREE_DEPLOYMENT_UNLOCKED_TRANSIENT:
g_print ("A writable overlayfs is prepared for /usr, but is mounted read-only by default.\n"
"All changes there will be discarded on reboot.\n");
break;
}
ret = TRUE;
out:
return ret;
}
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