99 lines
3.4 KiB
C
99 lines
3.4 KiB
C
/*
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* Copyright (C) 2016 Colin Walters <walters@verbum.org>
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*
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* SPDX-License-Identifier: LGPL-2.0+
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "ot-main.h"
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#include "ot-admin-builtins.h"
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#include "ot-admin-functions.h"
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#include "ostree.h"
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#include "otutil.h"
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#include <glib/gi18n.h>
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#include <err.h>
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static gboolean opt_hotfix;
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static gboolean opt_transient;
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static GOptionEntry options[] = {
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{ "hotfix", 0, 0, G_OPTION_ARG_NONE, &opt_hotfix, "Retain changes across reboots", NULL },
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{ "transient", 0, 0, G_OPTION_ARG_NONE, &opt_transient, "Mount overlayfs read-only by default", NULL },
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{ NULL }
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};
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gboolean
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ot_admin_builtin_unlock (int argc, char **argv, OstreeCommandInvocation *invocation, GCancellable *cancellable, GError **error)
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{
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g_autoptr(GOptionContext) context = g_option_context_new ("");
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g_autoptr(OstreeSysroot) sysroot = NULL;
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if (!ostree_admin_option_context_parse (context, options, &argc, &argv,
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OSTREE_ADMIN_BUILTIN_FLAG_SUPERUSER,
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invocation, &sysroot, cancellable, error))
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return FALSE;
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if (argc > 1)
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{
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ot_util_usage_error (context, "This command takes no extra arguments", error);
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return FALSE;
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}
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OstreeDeployment *booted_deployment = ostree_sysroot_require_booted_deployment (sysroot, error);
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if (!booted_deployment)
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return FALSE;
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OstreeDeploymentUnlockedState target_state;
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if (opt_hotfix && opt_transient)
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{
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return glnx_throw (error, "Cannot specify both --hotfix and --transient");
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}
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else if (opt_hotfix)
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target_state = OSTREE_DEPLOYMENT_UNLOCKED_HOTFIX;
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else if (opt_transient)
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target_state = OSTREE_DEPLOYMENT_UNLOCKED_TRANSIENT;
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else
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target_state = OSTREE_DEPLOYMENT_UNLOCKED_DEVELOPMENT;
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if (!ostree_sysroot_deployment_unlock (sysroot, booted_deployment,
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target_state, cancellable, error))
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return FALSE;
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switch (target_state)
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{
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case OSTREE_DEPLOYMENT_UNLOCKED_NONE:
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g_assert_not_reached ();
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break;
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case OSTREE_DEPLOYMENT_UNLOCKED_HOTFIX:
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g_print ("Hotfix mode enabled. A writable overlayfs is now mounted on /usr\n"
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"for this booted deployment. A non-hotfixed clone has been created\n"
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"as the non-default rollback target.\n");
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break;
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case OSTREE_DEPLOYMENT_UNLOCKED_DEVELOPMENT:
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g_print ("Development mode enabled. A writable overlayfs is now mounted on /usr.\n"
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"All changes there will be discarded on reboot.\n");
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break;
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case OSTREE_DEPLOYMENT_UNLOCKED_TRANSIENT:
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g_print ("A writable overlayfs is prepared for /usr, but is mounted read-only by default.\n"
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"All changes there will be discarded on reboot.\n");
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break;
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}
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return TRUE;
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}
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