<xi:include href="version-info.xml" xpointer="v256"/></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>systemd.factory_reset=</varname></term>
+
+ <listitem><para>Controls whether to to boot into factory reset mode, implemented by
+ <citerefentry><refentrytitle>systemd-factory-reset-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-repart</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ and other tools.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>
['30-systemd-environment-d-generator'],
'ENABLE_ENVIRONMENT_D'],
['systemd-escape', '1', [], ''],
+ ['systemd-factory-reset-generator', '8', [], ''],
+ ['systemd-factory-reset',
+ '8',
+ ['systemd-factory-reset-complete.service',
+ 'systemd-factory-reset-request.service',
+ 'systemd-factory-reset.socket',
+ 'systemd-factory-reset@.service'],
+ ''],
['systemd-firstboot', '1', ['systemd-firstboot.service'], 'ENABLE_FIRSTBOOT'],
['systemd-fsck@.service',
'8',
--- /dev/null
+<?xml version="1.0"?>
+<!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+<refentry id="systemd-factory-reset-generator">
+
+ <refentryinfo>
+ <title>systemd-factory-reset-generator</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-factory-reset-generator</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-factory-reset-generator</refname>
+ <refpurpose>Pull <filename>factory-reset-now.target</filename> into the initial boot transaction when factory reset has been requested</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/usr/lib/systemd/system-generators/systemd-factory-reset-generator</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><filename>systemd-factory-reset-generator</filename> is a generator that pulls
+ <filename>factory-reset-now.target</filename> into the initial boot transaction when the factory reset
+ operation has been requested, either via the <varname>systemd.factory_reset=</varname> kernel command
+ line option or via the <varname>FactoryResetRequest</varname> EFI variable.</para>
+
+ <para><filename>systemd-factory-reset-generator</filename> implements
+ <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para><simplelist type="inline">
+ <member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
+ <member><citerefentry><refentrytitle>systemd-factory-reset</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
+ <member><ulink url="https://systemd.io/FACTORY_RESET">Factory Reset</ulink></member>
+ </simplelist></para>
+ </refsect1>
+
+</refentry>
--- /dev/null
+<?xml version="1.0"?>
+<!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+<refentry id="systemd-factory-reset"
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>systemd-factory-reset</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-factory-reset</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-factory-reset</refname>
+ <refname>systemd-factory-reset-request.service</refname>
+ <refname>systemd-factory-reset-complete.service</refname>
+ <refname>systemd-factory-reset.socket</refname>
+ <refname>systemd-factory-reset@.service</refname>
+ <refpurpose>Request or complete a factory reset operation, or query current factory reset mode</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/usr/lib/systemd/systemd-factory-reset</filename></para>
+ <para><filename>systemd-factory-reset-request.service</filename></para>
+ <para><filename>systemd-factory-reset-complete.service</filename></para>
+ <para><filename>systemd-factory-reset.socket</filename></para>
+ <para><filename>systemd-factory-reset@.service</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><filename>systemd-factory-reset</filename> is a tool that can query the current factory reset
+ state, request factory request operations or complete them.</para>
+
+ <para>Some of the functionality is also available via the
+ <filename>/run/systemd/io.systemd.FactoryReset</filename> Varlink service (implemented via the
+ <filename>systemd-factory-reset.socket</filename>/<filename>systemd-factory-reset@.service</filename>
+ units.</para>
+
+ <para>See <ulink url="https://systemd.io/FACTORY_RESET">Factory Reset</ulink> for an overview of the
+ factory reset logic.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Commands</title>
+
+ <para>The <filename>/usr/lib/systemd/systemd-factory-reset</filename> executable may also be invoked from the
+ command line, taking one of the following command arguments:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>status</option></term>
+
+ <listitem><para>Report current factory reset state. Reports one of <literal>unsupported</literal> (if
+ the OS does not support a factory reset logic), <literal>unspecified</literal> (if no factory reset
+ was requested, but it wasn't turned off explicitly either), <literal>off</literal> (if the factory
+ reset logic was explicitly turned off via the kernel command line option), <literal>on</literal> (if
+ the factory reset is currently enabled and executed), <literal>complete</literal> (if the factory
+ reset logic ran during the current boot but is complete now), <literal>pending</literal> (if a
+ factory reset has been requested for the next boot).</para>
+
+ <para>Returns with an exit status of 0 if the factory reset mechanism is currently not in effect, 10
+ if a factory reset is currently being executed, or 11 if it is pending for the next boot.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>request</option></term>
+
+ <listitem><para>Request a factory reset operation to be executed on next boot.</para>
+
+ <para>Note that this is a relatively low-level operation. The primary interface for requesting a
+ factory reset operation is by starting the <filename>factory-reset.target</filename>
+ unit.</para>
+
+ <para>This sets the <varname>FactoryResetRequested</varname> EFI variable, see below.</para>
+
+ <para>This operation is executed when the <filename>systemd-factory-reset-request.service</filename>
+ unit is started (which is typically one of the services hooked into
+ and ordered before <filename>factory-reset.target</filename>).</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>cancel</option></term>
+
+ <listitem><para>Cancel any previously requested (but not yet executed) factory reset
+ operation.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>complete</option></term>
+
+ <listitem><para>Mark an ongoing factory reset operation as complete.</para>
+
+ <para>This operation is executed when the <filename>systemd-factory-reset-complete.service</filename>
+ unit is started (which is typically one of the services hooked into and ordered after
+ <filename>factory-reset-now.target</filename>).</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>Options</title>
+
+ <para>The following options are understood:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>--retrigger</option></term>
+
+ <listitem><para>When used with the <command>complete</command> command retriggers all block devices,
+ which might result in auto-discovered devices being usable that previously weren't because the factory
+ reset logic was in place.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--quiet</option></term>
+ <term><option>-q</option></term>
+
+ <listitem><para>Suppresses the state output of <command>status</command>, but still sets the exit
+ status as documented.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+
+ <xi:include href="standard-options.xml" xpointer="help" />
+ <xi:include href="standard-options.xml" xpointer="version" />
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>EFI Variables</title>
+
+ <para>The following EFI variable is set and read by <command>systemd-factory-reset</command>, under the
+ vendor UUID <literal>8cf2644b-4b0b-428f-9387-6d876050dc67</literal>, for communication between this boot
+ and the next.</para>
+
+ <variablelist class='efi-variables'>
+ <varlistentry>
+ <term><varname>FactoryResetRequest</varname></term>
+
+ <listitem><para>Set whenever a factory reset is requested from the next boot, deleted once the
+ factory reset is complete. Contains JSON data describing the requesting OS, in order to avoid
+ confusion in multi-boot systems.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para><simplelist type="inline">
+ <member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
+ <member><citerefentry><refentrytitle>systemd-factory-reset-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry></member>
+ <member><citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry></member>
+ <member><ulink url="https://systemd.io/FACTORY_RESET">Factory Reset</ulink></member>
+ </simplelist></para>
+ </refsect1>
+</refentry>
<filename>emergency.target</filename>,
<filename>exit.target</filename>,
<filename>factory-reset.target</filename>,
+ <filename>factory-reset-now.target</filename>,
<filename>final.target</filename>,
<filename>first-boot-complete.target</filename>,
<filename>getty.target</filename>,
<varlistentry>
<term><filename>factory-reset.target</filename></term>
<listitem>
- <para>A special target to trigger a factory reset.</para>
+ <para>A special target to request a factory reset operation. This will typically persistently
+ store a request flag for the next boot and then reboot in order to reset the system to factory
+ state.</para>
+
+ <para>See <ulink url="https://systemd.io/FACTORY_RESET">Factory Reset</ulink> for more
+ information.</para>
<xi:include href="version-info.xml" xpointer="v250"/>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><filename>factory-reset-now.target</filename></term>
+ <listitem>
+ <para>A special target that is started on boots that shall execute a factory reset. It may be
+ used to pull in additional services that shall be invoked during a factory reset operation. It
+ also acts as ordering barrier: once the target is reached the factory reset state is marked as
+ "completed".</para>
+
+ <para>See <ulink url="https://systemd.io/FACTORY_RESET">Factory Reset</ulink> for more
+ information.</para>
+
+ <xi:include href="version-info.xml" xpointer="v258"/>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term><filename>final.target</filename></term>
<listitem>
subdir('src/dissect')
subdir('src/environment-d-generator')
subdir('src/escape')
+subdir('src/factory-reset')
subdir('src/firstboot')
subdir('src/fsck')
subdir('src/fstab-generator')
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "factory-reset.h"
+#include "generator.h"
+#include "special.h"
+
+/* This generator pulls factory-reset-now.target into the initial transaction the kernel command line's
+ * systemd.factor_reset= variable, or the FactoryResetRequest EFI variable say so. */
+
+static int run(const char *dest, const char *dest_early, const char *dest_late) {
+ assert(dest_early);
+
+ FactoryResetMode f = factory_reset_mode();
+ if (f < 0)
+ return log_error_errno(f, "Failed to determine factory reset mode: %m");
+ if (f != FACTORY_RESET_ON) {
+ log_debug("Not in factory reset mode, skipping.");
+ return EXIT_SUCCESS;
+ }
+
+ log_debug("Detected factory reset mode, pulling in factory-reset-now.target.");
+
+ /* We pull this in from basic.target so that it ends up in all "regular" boot ups, but not in
+ * rescue.target or even emergency.target. */
+ return generator_add_symlink(dest_early, SPECIAL_BASIC_TARGET, "wants", "factory-reset-now.target");
+}
+
+DEFINE_MAIN_GENERATOR_FUNCTION(run);
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+
+#include "sd-json.h"
+#include "sd-varlink.h"
+
+#include "ansi-color.h"
+#include "build.h"
+#include "device-util.h"
+#include "efivars.h"
+#include "factory-reset.h"
+#include "fs-util.h"
+#include "json-util.h"
+#include "main-func.h"
+#include "os-util.h"
+#include "pretty-print.h"
+#include "udev-util.h"
+#include "varlink-io.systemd.FactoryReset.h"
+#include "varlink-util.h"
+#include "verbs.h"
+
+static bool arg_retrigger = false;
+static bool arg_quiet = false;
+static bool arg_varlink = false;
+
+static int help(void) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ r = terminal_urlify_man("systemd-factory-reset", "8", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%1$s [OPTIONS...] COMMAND\n"
+ "\n%5$sQuery, request, cancel factory reset operation.%6$s\n"
+ "\n%3$sCommands:%4$s\n"
+ " status Report current factory reset status\n"
+ " request Request a factory reset on next boot\n"
+ " cancel Cancel a prior factory reset request for next boot\n"
+ " complete Mark a factory reset as complete\n"
+ "\n%3$sOptions:%4$s\n"
+ " -h --help Show this help\n"
+ " --version Print version\n"
+ " --retrigger Retrigger block devices\n"
+ " -q --quiet Suppress output\n"
+ "\nSee the %2$s for details.\n",
+ program_invocation_short_name,
+ link,
+ ansi_underline(),
+ ansi_normal(),
+ ansi_highlight(),
+ ansi_normal());
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_RETRIGGER,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "retrigger", no_argument, NULL, ARG_RETRIGGER },
+ { "quiet", no_argument, NULL, 'q' },
+ {}
+ };
+
+ int r, c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hq", options, NULL)) >= 0)
+ switch (c) {
+
+ case 'h':
+ return help();
+
+ case ARG_VERSION:
+ return version();
+
+ case ARG_RETRIGGER:
+ arg_retrigger = true;
+ break;
+
+ case 'q':
+ arg_quiet = true;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+
+ r = sd_varlink_invocation(SD_VARLINK_ALLOW_ACCEPT);
+ if (r < 0)
+ return log_error_errno(r, "Failed to check if invoked in Varlink mode: %m");
+ if (r > 0)
+ arg_varlink = true;
+
+ return 1;
+}
+
+static int verb_status(int argc, char *argv[], void *userdata) {
+ static const int exit_status_table[_FACTORY_RESET_MODE_MAX] = {
+ /* Report current mode also as via exit status, but only return a subset of states */
+ [FACTORY_RESET_UNSUPPORTED] = EXIT_SUCCESS,
+ [FACTORY_RESET_UNSPECIFIED] = EXIT_SUCCESS,
+ [FACTORY_RESET_OFF] = EXIT_SUCCESS,
+ [FACTORY_RESET_ON] = 10,
+ [FACTORY_RESET_COMPLETE] = EXIT_SUCCESS,
+ [FACTORY_RESET_PENDING] = 11,
+ };
+
+ FactoryResetMode f = factory_reset_mode();
+ if (f < 0)
+ return log_error_errno(f, "Failed to determine factory reset mode: %m");
+
+ if (!arg_quiet)
+ puts(factory_reset_mode_to_string(f));
+
+ return exit_status_table[f];
+}
+
+static int verb_request(int argc, char *argv[], void *userdata) {
+ int r;
+
+ FactoryResetMode f = factory_reset_mode();
+ if (f < 0)
+ return log_error_errno(f, "Failed to determine current factory reset mode: %m");
+ if (f == FACTORY_RESET_ON)
+ return log_error_errno(SYNTHETIC_ERRNO(EBUSY), "System is currently in factory reset mode, refusing to request another one.");
+ if (f == FACTORY_RESET_PENDING) {
+ if (!arg_quiet)
+ log_info("Factory reset already requested, skipping.");
+ return 0;
+ }
+
+ if (!is_efi_boot())
+ return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
+ "Not an EFI boot, requesting factory reset via EFI variable not supported.");
+
+ _cleanup_free_ char *id = NULL, *image_id = NULL, *version_id = NULL, *image_version = NULL;
+ r = parse_os_release(
+ /* root= */ NULL,
+ "ID", &id,
+ "IMAGE_ID", &image_id,
+ "VERSION_ID", &version_id,
+ "IMAGE_VERSION", &image_version);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse os-release: %m");
+
+ if (!id)
+ return log_error_errno(SYNTHETIC_ERRNO(EBADR), "os-release data lacks ID= field, refusing.");
+
+ sd_id128_t boot_id;
+ r = sd_id128_get_boot(&boot_id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get boot ID: %m");
+
+ /* NB: we don't really use the version fields for anything on the parsing side, because we want to
+ * allow some flexbility between OS/image versions that request the factory reset and that execute
+ * it. However, we include it nonetheless to make things more clearly debuggable. */
+ _cleanup_(sd_json_variant_unrefp) sd_json_variant *v = NULL;
+ r = sd_json_buildo(
+ &v,
+ SD_JSON_BUILD_PAIR_STRING("osReleaseId", id),
+ JSON_BUILD_PAIR_STRING_NON_EMPTY("osReleaseVersionId", version_id),
+ JSON_BUILD_PAIR_STRING_NON_EMPTY("osReleaseImageId", image_id),
+ JSON_BUILD_PAIR_STRING_NON_EMPTY("osReleaseImageVersion", image_version),
+ SD_JSON_BUILD_PAIR_ID128("bootId", boot_id));
+ if (r < 0)
+ return log_error_errno(r, "Failed to build JSON object: %m");
+
+ _cleanup_free_ char *formatted = NULL;
+ r = sd_json_variant_format(v, /* flags= */ 0, &formatted);
+ if (r < 0)
+ return log_error_errno(r, "Failed to format JSON object: %m");
+
+ r = efi_set_variable_string(EFI_SYSTEMD_VARIABLE_STR("FactoryResetRequest"), formatted);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set EFI variable FactoryResetRequest: %m");
+
+ log_debug("Set EFI variable FactoryResetRequest to '%s'.", formatted);
+
+ if (!arg_quiet)
+ log_info("Factory reset requested.");
+
+ return 0;
+}
+
+static int verb_cancel(int argc, char *argv[], void *userdata) {
+ int r;
+
+ FactoryResetMode f = factory_reset_mode();
+ if (f < 0)
+ return log_error_errno(f, "Failed to determine current factory reset mode: %m");
+ if (f == FACTORY_RESET_ON)
+ return log_error_errno(SYNTHETIC_ERRNO(EBUSY), "System already executing factory reset, cannot cancel.");
+ if (f != FACTORY_RESET_PENDING) {
+ if (!arg_quiet)
+ log_info("No factory reset has been requested, cannot cancel, skipping.");
+ return 0;
+ }
+
+ if (!is_efi_boot()) {
+ if (!arg_quiet)
+ log_info("Not an EFI boot, cannot remove FactoryResetMode EFI variable, not cancelling.");
+
+ return 0;
+ }
+
+ r = efi_set_variable(EFI_SYSTEMD_VARIABLE_STR("FactoryResetRequest"), /* value= */ NULL, /* size= */ 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to remove FactoryResetRequest EFI variable: %m");
+
+ if (!arg_quiet)
+ log_info("Factory reset cancelled.");
+
+ return 0;
+}
+
+static int retrigger_block_devices(void) {
+ int r;
+
+ /* Let's retrigger block devices after factory reset is complete: it's quite likely that some
+ * partitions went away or got recreated, and will only be considered relevant once factory reset
+ * mode is left. For example, /dev/disk/gpt-auto-root is like that: it is only created once factory
+ * reset mode is complete. */
+
+ if (!udev_available()) {
+ if (!arg_quiet)
+ log_info("Skipping triggering of block devices, as udev is not available.");
+ return 0;
+ }
+
+ _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
+ r = sd_device_enumerator_new(&e);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate device enumerator: %m");
+
+ r = sd_device_enumerator_allow_uninitialized(e);
+ if (r < 0)
+ return log_error_errno(r, "Failed to enable enumeration of uninitialized devices: %m");
+
+ r = sd_device_enumerator_add_match_subsystem(e, "block", /* match = */ true);
+ if (r < 0)
+ return log_error_errno(r, "Failed to filter device enumeration by 'block' subsystem: %m");
+
+ if (!arg_quiet)
+ log_info("Retriggering block devices.");
+
+ FOREACH_DEVICE(e, d) {
+ r = sd_device_trigger(d, SD_DEVICE_CHANGE);
+ if (r < 0)
+ /* Devices can appear anytime, let's not loudly log about that. */
+ log_device_full_errno(
+ d,
+ ERRNO_IS_DEVICE_ABSENT(r) ? LOG_DEBUG : LOG_WARNING,
+ r,
+ "Failed to trigger block device, ignoring: %m");
+ }
+
+ return 0;
+}
+
+static int verb_complete(int argc, char *argv[], void *userdata) {
+ int r;
+
+ FactoryResetMode f = factory_reset_mode();
+ if (f < 0)
+ return log_error_errno(f, "Failed to dermine factory reset mode: %m");
+ log_debug("Current factory reset mode is: %s", factory_reset_mode_to_string(f));
+ if (f != FACTORY_RESET_ON) {
+ if (!arg_quiet)
+ log_info("Attempted to leave factory reset mode, even though we are not in factory reset mode. Ignoring.");
+ return 0;
+ }
+
+ if (is_efi_boot()) {
+ r = efi_set_variable(EFI_SYSTEMD_VARIABLE_STR("FactoryResetRequest"), /* value= */ NULL, /* size= */ 0);
+ if (r < 0)
+ log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r,
+ "Failed to remove FactoryResetRequest EFI variable: %m");
+ }
+
+ r = touch("/run/systemd/factory-reset-complete");
+ if (r < 0)
+ return log_error_errno(r, "Failed to create /run/systemd/factory-reset-complete file: %m");
+
+ if (!arg_quiet)
+ log_info("Successfully left factory reset mode.");
+
+ if (arg_retrigger)
+ (void) retrigger_block_devices();
+
+ return 0;
+}
+
+static int vl_method_get_factory_reset_mode(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
+ int r;
+
+ assert(parameters);
+
+ r = sd_varlink_dispatch(link, parameters, /* table= */ NULL, /* userdata= */ NULL);
+ if (r != 0)
+ return r;
+
+ FactoryResetMode f = factory_reset_mode();
+ if (f < 0)
+ return f;
+
+ return sd_varlink_replybo(link, SD_JSON_BUILD_PAIR_STRING("mode", factory_reset_mode_to_string(f)));
+}
+
+static int vl_method_can_request_factory_reset(sd_varlink *link, sd_json_variant *parameters, sd_varlink_method_flags_t flags, void *userdata) {
+ int r;
+
+ assert(parameters);
+
+ r = sd_varlink_dispatch(link, parameters, /* table= */ NULL, /* userdata= */ NULL);
+ if (r != 0)
+ return r;
+
+ return sd_varlink_replybo(link, SD_JSON_BUILD_PAIR_BOOLEAN("supported", is_efi_boot()));
+}
+
+static int varlink_service(void) {
+ int r;
+
+ /* Invocation as Varlink service */
+
+ _cleanup_(sd_varlink_server_unrefp) sd_varlink_server *varlink_server = NULL;
+ r = varlink_server_new(&varlink_server, /* flags= */ 0, /* userdata= */ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to allocate Varlink server: %m");
+
+ r = sd_varlink_server_add_interface(varlink_server, &vl_interface_io_systemd_FactoryReset);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add Varlink interface: %m");
+
+ r = sd_varlink_server_bind_method_many(
+ varlink_server,
+ "io.systemd.FactoryReset.GetFactoryResetMode", vl_method_get_factory_reset_mode,
+ "io.systemd.FactoryReset.CanRequestFactoryReset", vl_method_can_request_factory_reset);
+ if (r < 0)
+ return log_error_errno(r, "Failed to bind Varlink methods: %m");
+
+ r = sd_varlink_server_loop_auto(varlink_server);
+ if (r < 0)
+ return log_error_errno(r, "Failed to run Varlink event loop: %m");
+
+ return EXIT_SUCCESS;
+}
+
+static int run(int argc, char *argv[]) {
+ static const Verb verbs[] = {
+ { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status },
+ { "request", VERB_ANY, 1, 0, verb_request },
+ { "cancel", VERB_ANY, 1, 0, verb_cancel },
+ { "complete", VERB_ANY, 1, 0, verb_complete },
+ {}
+ };
+
+ int r;
+
+ log_setup();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ if (arg_varlink)
+ return varlink_service();
+
+ return dispatch_verb(argc, argv, verbs, /* userdata= */ NULL);
+}
+
+DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+executables += [
+ libexec_template + {
+ 'name' : 'systemd-factory-reset',
+ 'sources' : files('factory-reset-tool.c'),
+ },
+ generator_template + {
+ 'name' : 'systemd-factory-reset-generator',
+ 'sources' : files('factory-reset-generator.c'),
+ },
+]
'varlink-io.systemd.AskPassword.c',
'varlink-io.systemd.BootControl.c',
'varlink-io.systemd.Credentials.c',
+ 'varlink-io.systemd.FactoryReset.c',
'varlink-io.systemd.Hostname.c',
'varlink-io.systemd.Import.c',
'varlink-io.systemd.Journal.c',
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "varlink-io.systemd.FactoryReset.h"
+#include "sd-varlink-idl.h"
+
+static SD_VARLINK_DEFINE_ENUM_TYPE(
+ FactoryResetMode,
+ SD_VARLINK_FIELD_COMMENT("Factory reset is not supported on this OS."),
+ SD_VARLINK_DEFINE_ENUM_VALUE(unsupported),
+ SD_VARLINK_FIELD_COMMENT("Factory reset not requested."),
+ SD_VARLINK_DEFINE_ENUM_VALUE(unspecified),
+ SD_VARLINK_FIELD_COMMENT("Factory reset explicitly turned off."),
+ SD_VARLINK_DEFINE_ENUM_VALUE(off),
+ SD_VARLINK_FIELD_COMMENT("Factory reset is currently being executed."),
+ SD_VARLINK_DEFINE_ENUM_VALUE(on),
+ SD_VARLINK_FIELD_COMMENT("Factory reset has been completed during the current boot."),
+ SD_VARLINK_DEFINE_ENUM_VALUE(complete),
+ SD_VARLINK_FIELD_COMMENT("Factory reset has been requested for the next boot."),
+ SD_VARLINK_DEFINE_ENUM_VALUE(pending));
+
+static SD_VARLINK_DEFINE_METHOD(
+ GetFactoryResetMode,
+ SD_VARLINK_FIELD_COMMENT("The current factory reset mode"),
+ SD_VARLINK_DEFINE_OUTPUT_BY_TYPE(mode, FactoryResetMode, 0));
+
+static SD_VARLINK_DEFINE_METHOD(
+ CanRequestFactoryReset,
+ SD_VARLINK_DEFINE_OUTPUT(supported, SD_VARLINK_BOOL, 0));
+
+SD_VARLINK_DEFINE_INTERFACE(
+ io_systemd_FactoryReset,
+ "io.systemd.FactoryReset",
+ SD_VARLINK_INTERFACE_COMMENT("APIs to query factory reset status"),
+ SD_VARLINK_SYMBOL_COMMENT("Encodes the current factory reset status"),
+ &vl_type_FactoryResetMode,
+ SD_VARLINK_SYMBOL_COMMENT("Report the current factory reset status"),
+ &vl_method_GetFactoryResetMode,
+ SD_VARLINK_SYMBOL_COMMENT("Returns whether requesting a factory reset is available (by invoking the factory-reset.target unit)."),
+ &vl_method_CanRequestFactoryReset);
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include "sd-varlink-idl.h"
+
+extern const sd_varlink_interface vl_interface_io_systemd_FactoryReset;
#include "tests.h"
#include "varlink-idl-util.h"
#include "varlink-io.systemd.h"
-#include "varlink-io.systemd.BootControl.h"
#include "varlink-io.systemd.AskPassword.h"
+#include "varlink-io.systemd.BootControl.h"
#include "varlink-io.systemd.Credentials.h"
+#include "varlink-io.systemd.FactoryReset.h"
#include "varlink-io.systemd.Import.h"
#include "varlink-io.systemd.Journal.h"
#include "varlink-io.systemd.Login.h"
print_separator();
test_parse_format_one(&vl_interface_io_systemd_Login);
print_separator();
+ test_parse_format_one(&vl_interface_io_systemd_FactoryReset);
+ print_separator();
test_parse_format_one(&vl_interface_xyz_test);
}
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd 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 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Factory Reset Execution
+Documentation=man:systemd.special(7)
+Wants=systemd-factory-reset-complete.service
# (at your option) any later version.
[Unit]
-Description=Factory Reset
+Description=Factory Reset Initiation
Documentation=man:systemd.special(7)
+Wants=systemd-factory-reset-reboot.service
+Before=systemd-factory-reset-reboot.service
{ 'file' : 'emergency.target' },
{ 'file' : 'exit.target' },
{ 'file' : 'factory-reset.target' },
+ { 'file' : 'factory-reset-now.target' },
{ 'file' : 'final.target' },
{ 'file' : 'first-boot-complete.target' },
{ 'file' : 'getty-pre.target' },
},
{ 'file' : 'systemd-creds@.service' },
{ 'file' : 'systemd-exit.service' },
+ {
+ 'file' : 'systemd-factory-reset@.service.in',
+ },
+ {
+ 'file' : 'systemd-factory-reset.socket',
+ 'symlinks' : ['sockets.target.wants/'],
+ },
+ { 'file' : 'systemd-factory-reset-complete.service.in' },
+ { 'file' : 'systemd-factory-reset-reboot.service' },
+ {
+ 'file' : 'systemd-factory-reset-request.service.in',
+ 'symlinks' : ['factory-reset.target.wants/'],
+ },
{
'file' : 'systemd-firstboot.service',
'conditions' : ['ENABLE_FIRSTBOOT'],
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd 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 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Mark the Factory Reset as Completed
+Documentation=man:systemd-factory-reset-complete.service(8)
+DefaultDependencies=no
+Requires=factory-reset-now.target
+After=factory-reset-now.target
+Conflicts=shutdown.target
+Before=shutdown.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-factory-reset complete --retrigger
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd 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 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Reboot to Execute Factory Reset
+Documentation=man:systemd.special(7)
+DefaultDependencies=no
+After=factory-reset.target
+Conflicts=shutdown.target
+Before=shutdown.target
+SuccessAction=reboot
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd 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 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Request Factory Reset on Next Boot
+Documentation=man:systemd-factory-reset-request.service(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=systemd-pcrphase-factory-reset.service
+Before=factory-reset.target shutdown.target
+ConditionFirmware=uefi
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-factory-reset request
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd 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 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Factory Reset Management
+Documentation=man:systemd-factory-reset.service(8)
+DefaultDependencies=no
+Before=sockets.target
+
+[Socket]
+ListenStream=/run/systemd/io.systemd.FactoryReset
+FileDescriptorName=varlink
+SocketMode=0666
+Accept=yes
+MaxConnectionsPerSource=16
+
+[Install]
+WantedBy=sockets.target
--- /dev/null
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd 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 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Factory Reset Management (Varlink)
+Documentation=man:systemd-factory-reset@.service(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+Before=shutdown.target
+
+[Service]
+ExecStart=-{{LIBEXECDIR}}/systemd-factory-reset
DefaultDependencies=no
Wants=modprobe@loop.service modprobe@dm_mod.service
After=initrd-usr-fs.target modprobe@loop.service modprobe@dm_mod.service systemd-tpm2-setup-early.service
-Before=initrd-root-fs.target
+Before=initrd-root-fs.target factory-reset-now.target
Conflicts=shutdown.target initrd-switch-root.target
Before=shutdown.target initrd-switch-root.target