int tar_pull_start(TarPull *i, const char *url, const char *local, bool force_local, ImportVerify verify) {
int r;
assert(i);
if (!http_url_is_valid(url))
return -EINVAL;
if (local && !machine_name_is_valid(local))
return -EINVAL;
if (i->tar_job)
return -EBUSY;
r = free_and_strdup(&i->local, local);
if (r < 0)
return r;
i->force_local = force_local;
i->verify = verify;
r = pull_job_new(&i->tar_job, url, i->glue, i);
if (r < 0)
return r;
i->tar_job->on_finished = tar_pull_job_on_finished;
i->tar_job->on_open_disk = tar_pull_job_on_open_disk;
i->tar_job->on_progress = tar_pull_job_on_progress;
i->tar_job->calc_checksum = verify != IMPORT_VERIFY_NO;
i->tar_job->grow_machine_directory = i->grow_machine_directory;
r = pull_find_old_etags(url, i->image_root, DT_DIR, ".tar-", NULL, &i->tar_job->old_etags);
if (r < 0)
return r;
r = pull_make_verification_jobs(&i->checksum_job, &i->signature_job, verify, url, i->glue, tar_pull_job_on_finished, i);
if (r < 0)
return r;
r = pull_job_begin(i->tar_job);
if (r < 0)
return r;
if (i->checksum_job) {
i->checksum_job->on_progress = tar_pull_job_on_progress;
r = pull_job_begin(i->checksum_job);
if (r < 0)
return r;
}
if (i->signature_job) {
i->signature_job->on_progress = tar_pull_job_on_progress;
r = pull_job_begin(i->signature_job);
if (r < 0)
return r;
}
return 0;
}
int config_parse_dnssd_service_type(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
DnssdService *s = userdata;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(s);
if (isempty(rvalue)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Service type can't be empty. Ignoring.");
return -EINVAL;
}
if (!dnssd_srv_type_is_valid(rvalue)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Service type is invalid. Ignoring.");
return -EINVAL;
}
r = free_and_strdup(&s->type, rvalue);
if (r < 0)
return log_oom();
return 0;
}
int config_parse_hostname(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
char **s = data;
assert(rvalue);
assert(s);
if (!hostname_is_valid(rvalue, false)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid hostname, ignoring: %s", rvalue);
return 0;
}
if (free_and_strdup(s, empty_to_null(rvalue)) < 0)
return log_oom();
return 0;
}
int config_parse_routing_policy_rule_device(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
_cleanup_routing_policy_rule_free_ RoutingPolicyRule *n = NULL;
Network *network = userdata;
int r;
assert(filename);
assert(section);
assert(lvalue);
assert(rvalue);
assert(data);
r = routing_policy_rule_new_static(network, filename, section_line, &n);
if (r < 0)
return r;
if (!ifname_valid(rvalue)) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse '%s' interface name, ignoring: %s", lvalue, rvalue);
return 0;
}
if (streq(lvalue, "IncomingInterface")) {
r = free_and_strdup(&n->iif, rvalue);
if (r < 0)
return log_oom();
} else {
r = free_and_strdup(&n->oif, rvalue);
if (r < 0)
return log_oom();
}
n = NULL;
return 0;
}
static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) {
Context *c = userdata;
const char *name;
int interactive;
int r;
assert(m);
assert(c);
r = sd_bus_message_read(m, "sb", &name, &interactive);
if (r < 0)
return r;
name = empty_to_null(name);
if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME]))
return sd_bus_reply_method_return(m, NULL);
if (!isempty(name) && !hostname_is_valid(name, false))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name);
r = bus_verify_polkit_async(
m,
CAP_SYS_ADMIN,
"org.freedesktop.hostname1.set-static-hostname",
NULL,
interactive,
UID_INVALID,
&c->polkit_registry,
error);
if (r < 0)
return r;
if (r == 0)
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
r = free_and_strdup(&c->data[PROP_STATIC_HOSTNAME], name);
if (r < 0)
return r;
r = context_update_kernel_hostname(c);
if (r < 0) {
log_error_errno(r, "Failed to set host name: %m");
return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m");
}
r = context_write_data_static_hostname(c);
if (r < 0) {
log_error_errno(r, "Failed to write static host name: %m");
return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m");
}
log_info("Changed static host name to '%s'", strna(c->data[PROP_STATIC_HOSTNAME]));
(void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL);
return sd_bus_reply_method_return(m, NULL);
}
int raw_export_start(RawExport *e, const char *path, int fd, ImportCompressType compress) {
_cleanup_close_ int sfd = -1, tfd = -1;
int r;
assert(e);
assert(path);
assert(fd >= 0);
assert(compress < _IMPORT_COMPRESS_TYPE_MAX);
assert(compress != IMPORT_COMPRESS_UNKNOWN);
if (e->output_fd >= 0)
return -EBUSY;
r = fd_nonblock(fd, true);
if (r < 0)
return r;
r = free_and_strdup(&e->path, path);
if (r < 0)
return r;
sfd = open(path, O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (sfd < 0)
return -errno;
if (fstat(sfd, &e->st) < 0)
return -errno;
r = stat_verify_regular(&e->st);
if (r < 0)
return r;
/* Try to take a reflink snapshot of the file, if we can t make the export atomic */
tfd = reflink_snapshot(sfd, path);
if (tfd >= 0)
e->input_fd = TAKE_FD(tfd);
else
e->input_fd = TAKE_FD(sfd);
r = import_compress_init(&e->compress, compress);
if (r < 0)
return r;
r = sd_event_add_io(e->event, &e->output_event_source, fd, EPOLLOUT, raw_export_on_output, e);
if (r == -EPERM) {
r = sd_event_add_defer(e->event, &e->output_event_source, raw_export_on_defer, e);
if (r < 0)
return r;
r = sd_event_source_set_enabled(e->output_event_source, SD_EVENT_ON);
}
if (r < 0)
return r;
e->output_fd = fd;
return r;
}
static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
int r;
if (proc_cmdline_key_streq(key, "systemd.verity")) {
r = value ? parse_boolean(value) : 1;
if (r < 0)
log_warning("Failed to parse verity= kernel command line switch %s. Ignoring.", value);
else
arg_enabled = r;
} else if (proc_cmdline_key_streq(key, "roothash")) {
if (proc_cmdline_value_missing(key, value))
return 0;
r = free_and_strdup(&arg_root_hash, value);
if (r < 0)
return log_oom();
} else if (proc_cmdline_key_streq(key, "systemd.verity_root_data")) {
if (proc_cmdline_value_missing(key, value))
return 0;
r = free_and_strdup(&arg_data_what, value);
if (r < 0)
return log_oom();
} else if (proc_cmdline_key_streq(key, "systemd.verity_root_hash")) {
if (proc_cmdline_value_missing(key, value))
return 0;
r = free_and_strdup(&arg_hash_what, value);
if (r < 0)
return log_oom();
}
return 0;
}
int get_proc_cmdline_key(const char *key, char **value) {
_cleanup_free_ char *line = NULL, *ret = NULL;
bool found = false;
const char *p;
int r;
assert(key);
r = proc_cmdline(&line);
if (r < 0)
return r;
p = line;
for (;;) {
_cleanup_free_ char *word = NULL;
const char *e;
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX);
if (r < 0)
return r;
if (r == 0)
break;
/* Filter out arguments that are intended only for the
* initrd */
if (!in_initrd() && startswith(word, "rd."))
continue;
if (value) {
e = startswith(word, key);
if (!e)
continue;
r = free_and_strdup(&ret, e);
if (r < 0)
return r;
found = true;
} else {
if (streq(word, key))
found = true;
}
}
if (value) {
*value = ret;
ret = NULL;
}
return found;
}
static void test_vconsole_convert_to_x11(void) {
_cleanup_(context_free) Context c = {};
log_info("/*** %s ***/", __func__);
log_info("/* test emptying first (:) */");
assert_se(free_and_strdup(&c.x11_layout, "foo") >= 0);
assert_se(free_and_strdup(&c.x11_variant, "bar") >= 0);
assert_se(vconsole_convert_to_x11(&c) == 1);
assert_se(c.x11_layout == NULL);
assert_se(c.x11_variant == NULL);
log_info("/* test emptying second (:) */");
assert_se(vconsole_convert_to_x11(&c) == 0);
assert_se(c.x11_layout == NULL);
assert_se(c.x11_variant == NULL);
log_info("/* test without variant, new mapping (es:) */");
assert_se(free_and_strdup(&c.vc_keymap, "es") >= 0);
assert_se(vconsole_convert_to_x11(&c) == 1);
assert_se(streq(c.x11_layout, "es"));
assert_se(c.x11_variant == NULL);
log_info("/* test with known variant, new mapping (es:dvorak) */");
assert_se(free_and_strdup(&c.vc_keymap, "es-dvorak") >= 0);
assert_se(vconsole_convert_to_x11(&c) == 0); // FIXME
assert_se(streq(c.x11_layout, "es"));
assert_se(c.x11_variant == NULL); // FIXME: "dvorak"
log_info("/* test with old mapping (fr:latin9) */");
assert_se(free_and_strdup(&c.vc_keymap, "fr-latin9") >= 0);
assert_se(vconsole_convert_to_x11(&c) == 1);
assert_se(streq(c.x11_layout, "fr"));
assert_se(streq(c.x11_variant, "latin9"));
log_info("/* test with a compound mapping (ru,us) */");
assert_se(free_and_strdup(&c.vc_keymap, "ru") >= 0);
assert_se(vconsole_convert_to_x11(&c) == 1);
assert_se(streq(c.x11_layout, "ru,us"));
assert_se(c.x11_variant == NULL);
log_info("/* test with a simple mapping (us) */");
assert_se(free_and_strdup(&c.vc_keymap, "us") >= 0);
assert_se(vconsole_convert_to_x11(&c) == 1);
assert_se(streq(c.x11_layout, "us"));
assert_se(c.x11_variant == NULL);
}
static int locale_read_data(Context *c) {
int r;
context_free_locale(c);
r = parse_env_file("/etc/locale.conf", NEWLINE,
"LANG", &c->locale[VARIABLE_LANG],
"LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
"LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
"LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
"LC_TIME", &c->locale[VARIABLE_LC_TIME],
"LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
"LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
"LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
"LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
"LC_NAME", &c->locale[VARIABLE_LC_NAME],
"LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
"LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
"LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
"LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION],
NULL);
if (r == -ENOENT) {
int p;
/* Fill in what we got passed from systemd. */
for (p = 0; p < _VARIABLE_LC_MAX; p++) {
const char *name;
name = locale_variable_to_string(p);
assert(name);
r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name)));
if (r < 0)
return r;
}
r = 0;
}
locale_simplify(c);
return r;
}
static int kbdctx_refresh_compose_table(kbdctx *kc, const char *lang) {
kbdtbl *kt;
idev_session *s;
idev_device *d;
Iterator i, j;
int r;
if (!lang)
lang = "C";
if (streq_ptr(kc->locale_lang, lang))
return 0;
r = free_and_strdup(&kc->locale_lang, lang);
if (r < 0)
return r;
log_debug("idev-keyboard: new default compose table: [ %s ]", lang);
r = kbdtbl_new_from_locale(&kt, kc, lang);
if (r < 0) {
/* TODO: We need to catch the case where no compose-file is
* available. xkb doesn't tell us so far.. so we must not treat
* it as a hard-failure but just continue. Preferably, we want
* xkb to tell us exactly whether compilation failed or whether
* there is no compose file available for this locale. */
log_debug_errno(r, "idev-keyboard: cannot load compose-table for '%s': %m",
lang);
r = 0;
kt = NULL;
}
kbdtbl_unref(kc->kbdtbl);
kc->kbdtbl = kt;
HASHMAP_FOREACH(s, kc->context->session_map, i)
HASHMAP_FOREACH(d, s->device_map, j)
if (idev_is_keyboard(d))
keyboard_update_kbdtbl(keyboard_from_device(d));
return 0;
}
static int specifier_instance(char specifier, void *data, void *userdata, char **ret) {
const UnitFileInstallInfo *i = userdata;
char *instance;
int r;
assert(i);
r = unit_name_to_instance(i->name, &instance);
if (r < 0)
return r;
if (isempty(instance)) {
r = free_and_strdup(&instance, strempty(i->default_instance));
if (r < 0)
return r;
}
*ret = instance;
return 0;
}
int raw_import_start(RawImport *i, int fd, const char *local, bool force_local, bool read_only) {
int r;
assert(i);
assert(fd >= 0);
assert(local);
if (!machine_name_is_valid(local))
return -EINVAL;
if (i->input_fd >= 0)
return -EBUSY;
r = fd_nonblock(fd, true);
if (r < 0)
return r;
r = free_and_strdup(&i->local, local);
if (r < 0)
return r;
i->force_local = force_local;
i->read_only = read_only;
if (fstat(fd, &i->st) < 0)
return -errno;
r = sd_event_add_io(i->event, &i->input_event_source, fd, EPOLLIN, raw_import_on_input, i);
if (r == -EPERM) {
/* This fd does not support epoll, for example because it is a regular file. Busy read in that case */
r = sd_event_add_defer(i->event, &i->input_event_source, raw_import_on_defer, i);
if (r < 0)
return r;
r = sd_event_source_set_enabled(i->input_event_source, SD_EVENT_ON);
}
if (r < 0)
return r;
i->input_fd = fd;
return r;
}
Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
Condition *c;
int r;
assert(type >= 0);
assert(type < _CONDITION_TYPE_MAX);
assert((!parameter) == (type == CONDITION_NULL));
c = new0(Condition, 1);
if (!c)
return NULL;
c->type = type;
c->trigger = trigger;
c->negate = negate;
r = free_and_strdup(&c->parameter, parameter);
if (r < 0) {
return mfree(c);
}
return c;
}
int config_parse_dnssd_service_name(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
static const Specifier specifier_table[] = {
{ 'b', specifier_boot_id, NULL },
{ 'H', specifier_host_name, NULL },
{ 'm', specifier_machine_id, NULL },
{ 'v', specifier_kernel_release, NULL },
{}
};
DnssdService *s = userdata;
_cleanup_free_ char *name = NULL;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(s);
if (isempty(rvalue)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Service instance name can't be empty. Ignoring.");
return -EINVAL;
}
r = free_and_strdup(&s->name_template, rvalue);
if (r < 0)
return log_oom();
r = specifier_printf(s->name_template, specifier_table, NULL, &name);
if (r < 0)
return log_debug_errno(r, "Failed to replace specifiers: %m");
if (!dns_service_name_is_valid(name)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Service instance name template renders to invalid name '%s'. Ignoring.", name);
return -EINVAL;
}
return 0;
}
static int scope_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
Scope *s = SCOPE(u);
int r;
assert(u);
assert(key);
assert(value);
assert(fds);
if (streq(key, "state")) {
ScopeState state;
state = scope_state_from_string(value);
if (state < 0)
log_unit_debug(u, "Failed to parse state value: %s", value);
else
s->deserialized_state = state;
} else if (streq(key, "was-abandoned")) {
int k;
k = parse_boolean(value);
if (k < 0)
log_unit_debug(u, "Failed to parse boolean value: %s", value);
else
s->was_abandoned = k;
} else if (streq(key, "controller")) {
r = free_and_strdup(&s->controller, value);
if (r < 0)
log_oom();
} else
log_unit_debug(u, "Unknown serialization key: %s", key);
return 0;
}
static void test_x11_convert_to_vconsole(void) {
_cleanup_(context_free) Context c = {};
int r;
log_info("/*** %s ***/", __func__);
log_info("/* test emptying first (:) */");
assert_se(free_and_strdup(&c.vc_keymap, "foobar") >= 0);
assert_se(x11_convert_to_vconsole(&c) == 1);
assert_se(c.vc_keymap == NULL);
log_info("/* test emptying second (:) */");
assert_se(x11_convert_to_vconsole(&c) == 0);
assert_se(c.vc_keymap == NULL);
log_info("/* test without variant, new mapping (es:) */");
assert_se(free_and_strdup(&c.x11_layout, "es") >= 0);
assert_se(x11_convert_to_vconsole(&c) == 1);
assert_se(streq(c.vc_keymap, "es"));
log_info("/* test with unknown variant, new mapping (es:foobar) */");
assert_se(free_and_strdup(&c.x11_variant, "foobar") >= 0);
assert_se(x11_convert_to_vconsole(&c) == 0);
assert_se(streq(c.vc_keymap, "es"));
log_info("/* test with known variant, new mapping (es:dvorak) */");
assert_se(free_and_strdup(&c.x11_variant, "dvorak") >= 0);
r = x11_convert_to_vconsole(&c);
if (r == 0) {
log_info("Skipping rest of %s: keymaps are not installed", __func__);
return;
}
assert_se(r == 1);
assert_se(streq(c.vc_keymap, "es-dvorak"));
log_info("/* test with old mapping (fr:latin9) */");
assert_se(free_and_strdup(&c.x11_layout, "fr") >= 0);
assert_se(free_and_strdup(&c.x11_variant, "latin9") >= 0);
assert_se(x11_convert_to_vconsole(&c) == 1);
assert_se(streq(c.vc_keymap, "fr-latin9"));
log_info("/* test with a compound mapping (us,ru:) */");
assert_se(free_and_strdup(&c.x11_layout, "us,ru") >= 0);
assert_se(free_and_strdup(&c.x11_variant, NULL) >= 0);
assert_se(x11_convert_to_vconsole(&c) == 1);
assert_se(streq(c.vc_keymap, "us"));
log_info("/* test with a compound mapping (ru,us:) */");
assert_se(free_and_strdup(&c.x11_layout, "ru,us") >= 0);
assert_se(free_and_strdup(&c.x11_variant, NULL) >= 0);
assert_se(x11_convert_to_vconsole(&c) == 1);
assert_se(streq(c.vc_keymap, "ru"));
/* https://bugzilla.redhat.com/show_bug.cgi?id=1333998 */
log_info("/* test with a simple new mapping (ru:) */");
assert_se(free_and_strdup(&c.x11_layout, "ru") >= 0);
assert_se(free_and_strdup(&c.x11_variant, NULL) >= 0);
assert_se(x11_convert_to_vconsole(&c) == 0);
assert_se(streq(c.vc_keymap, "ru"));
}
int raw_pull_start(
RawPull *i,
const char *url,
const char *local,
bool force_local,
ImportVerify verify,
bool settings,
bool roothash) {
int r;
assert(i);
assert(verify < _IMPORT_VERIFY_MAX);
assert(verify >= 0);
if (!http_url_is_valid(url))
return -EINVAL;
if (local && !machine_name_is_valid(local))
return -EINVAL;
if (i->raw_job)
return -EBUSY;
r = free_and_strdup(&i->local, local);
if (r < 0)
return r;
i->force_local = force_local;
i->verify = verify;
i->settings = settings;
i->roothash = roothash;
/* Queue job for the image itself */
r = pull_job_new(&i->raw_job, url, i->glue, i);
if (r < 0)
return r;
i->raw_job->on_finished = raw_pull_job_on_finished;
i->raw_job->on_open_disk = raw_pull_job_on_open_disk_raw;
i->raw_job->on_progress = raw_pull_job_on_progress;
i->raw_job->calc_checksum = verify != IMPORT_VERIFY_NO;
i->raw_job->grow_machine_directory = i->grow_machine_directory;
r = pull_find_old_etags(url, i->image_root, DT_REG, ".raw-", ".raw", &i->raw_job->old_etags);
if (r < 0)
return r;
if (roothash) {
r = pull_make_auxiliary_job(&i->roothash_job, url, raw_strip_suffixes, ".roothash", i->glue, raw_pull_job_on_finished, i);
if (r < 0)
return r;
i->roothash_job->on_open_disk = raw_pull_job_on_open_disk_roothash;
i->roothash_job->on_progress = raw_pull_job_on_progress;
i->roothash_job->calc_checksum = verify != IMPORT_VERIFY_NO;
}
if (settings) {
r = pull_make_auxiliary_job(&i->settings_job, url, raw_strip_suffixes, ".nspawn", i->glue, raw_pull_job_on_finished, i);
if (r < 0)
return r;
i->settings_job->on_open_disk = raw_pull_job_on_open_disk_settings;
i->settings_job->on_progress = raw_pull_job_on_progress;
i->settings_job->calc_checksum = verify != IMPORT_VERIFY_NO;
}
r = pull_make_verification_jobs(&i->checksum_job, &i->signature_job, verify, url, i->glue, raw_pull_job_on_finished, i);
if (r < 0)
return r;
r = pull_job_begin(i->raw_job);
if (r < 0)
return r;
if (i->roothash_job) {
r = pull_job_begin(i->roothash_job);
if (r < 0)
return r;
}
if (i->settings_job) {
r = pull_job_begin(i->settings_job);
if (r < 0)
return r;
}
if (i->checksum_job) {
i->checksum_job->on_progress = raw_pull_job_on_progress;
i->checksum_job->style = VERIFICATION_PER_FILE;
r = pull_job_begin(i->checksum_job);
if (r < 0)
return r;
}
if (i->signature_job) {
i->signature_job->on_progress = raw_pull_job_on_progress;
r = pull_job_begin(i->signature_job);
if (r < 0)
return r;
}
return 0;
}
/* find device node of device with highest priority */
static int link_find_prioritized(sd_device *dev, bool add, const char *stackdir, char **ret) {
_cleanup_closedir_ DIR *dir = NULL;
_cleanup_free_ char *target = NULL;
struct dirent *dent;
int r, priority = 0;
assert(!add || dev);
assert(stackdir);
assert(ret);
if (add) {
const char *devnode;
r = device_get_devlink_priority(dev, &priority);
if (r < 0)
return r;
r = sd_device_get_devname(dev, &devnode);
if (r < 0)
return r;
target = strdup(devnode);
if (!target)
return -ENOMEM;
}
dir = opendir(stackdir);
if (!dir) {
if (target) {
*ret = TAKE_PTR(target);
return 0;
}
return -errno;
}
FOREACH_DIRENT_ALL(dent, dir, break) {
_cleanup_(sd_device_unrefp) sd_device *dev_db = NULL;
const char *devnode, *id_filename;
int db_prio = 0;
if (dent->d_name[0] == '\0')
break;
if (dent->d_name[0] == '.')
continue;
log_device_debug(dev, "Found '%s' claiming '%s'", dent->d_name, stackdir);
if (device_get_id_filename(dev, &id_filename) < 0)
continue;
/* did we find ourself? */
if (streq(dent->d_name, id_filename))
continue;
if (sd_device_new_from_device_id(&dev_db, dent->d_name) < 0)
continue;
if (sd_device_get_devname(dev_db, &devnode) < 0)
continue;
if (device_get_devlink_priority(dev_db, &db_prio) < 0)
continue;
if (target && db_prio <= priority)
continue;
log_device_debug(dev_db, "Device claims priority %i for '%s'", db_prio, stackdir);
r = free_and_strdup(&target, devnode);
if (r < 0)
return r;
priority = db_prio;
}
if (!target)
return -ENOENT;
*ret = TAKE_PTR(target);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_ADDRESS,
ARG_CONFIGURATION,
ARG_MACHINE,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "address", required_argument, NULL, ARG_ADDRESS },
{ "configuration", required_argument, NULL, ARG_CONFIGURATION },
{ "machine", required_argument, NULL, ARG_MACHINE },
{},
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
switch (c) {
case 'h':
help();
return 0;
case ARG_VERSION:
return version();
case ARG_ADDRESS:
r = free_and_strdup(&arg_address, optarg);
if (r < 0)
return log_oom();
break;
case ARG_CONFIGURATION:
r = strv_extend(&arg_configuration, optarg);
if (r < 0)
return log_oom();
break;
case ARG_MACHINE: {
_cleanup_free_ char *e = NULL;
char *a;
e = bus_address_escape(optarg);
if (!e)
return log_oom();
a = strjoin("x-machine-kernel:machine=", e, ";x-machine-unix:machine=", e, NULL);
if (!a)
return log_oom();
free(arg_address);
arg_address = a;
break;
}
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
if (argc > optind) {
log_error("Too many arguments");
return -EINVAL;
}
if (!arg_address) {
arg_address = strdup(DEFAULT_SYSTEM_BUS_ADDRESS);
if (!arg_address)
return log_oom();
}
return 1;
}
static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) {
int interactive;
const char *name;
int r;
assert(c);
assert(m);
r = sd_bus_message_read(m, "sb", &name, &interactive);
if (r < 0)
return r;
name = empty_to_null(name);
if (streq_ptr(name, c->data[prop]))
return sd_bus_reply_method_return(m, NULL);
if (!isempty(name)) {
/* The icon name might ultimately be used as file
* name, so better be safe than sorry */
if (prop == PROP_ICON_NAME && !filename_is_valid(name))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name);
if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty host name '%s'", name);
if (prop == PROP_CHASSIS && !valid_chassis(name))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name);
if (prop == PROP_DEPLOYMENT && !valid_deployment(name))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name);
if (prop == PROP_LOCATION && string_has_cc(name, NULL))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name);
}
/* Since the pretty hostname should always be changed at the
* same time as the static one, use the same policy action for
* both... */
r = bus_verify_polkit_async(
m,
CAP_SYS_ADMIN,
prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info",
NULL,
interactive,
UID_INVALID,
&c->polkit_registry,
error);
if (r < 0)
return r;
if (r == 0)
return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
r = free_and_strdup(&c->data[prop], name);
if (r < 0)
return r;
r = context_write_data_machine_info(c);
if (r < 0) {
log_error_errno(r, "Failed to write machine info: %m");
return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m");
}
log_info("Changed %s to '%s'",
prop == PROP_PRETTY_HOSTNAME ? "pretty host name" :
prop == PROP_DEPLOYMENT ? "deployment" :
prop == PROP_LOCATION ? "location" :
prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop]));
(void) sd_bus_emit_properties_changed(
sd_bus_message_get_bus(m),
"/org/freedesktop/hostname1",
"org.freedesktop.hostname1",
prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" :
prop == PROP_DEPLOYMENT ? "Deployment" :
prop == PROP_LOCATION ? "Location" :
prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL);
return sd_bus_reply_method_return(m, NULL);
}
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
/* root=, usr=, usrfstype= and roofstype= may occur more than once, the last
* instance should take precedence. In the case of multiple rootflags=
* or usrflags= the arguments should be concatenated */
if (STR_IN_SET(key, "fstab", "rd.fstab") && value) {
r = parse_boolean(value);
if (r < 0)
log_warning("Failed to parse fstab switch %s. Ignoring.", value);
else
arg_fstab_enabled = r;
} else if (streq(key, "root") && value) {
if (free_and_strdup(&arg_root_what, value) < 0)
return log_oom();
} else if (streq(key, "rootfstype") && value) {
if (free_and_strdup(&arg_root_fstype, value) < 0)
return log_oom();
} else if (streq(key, "rootflags") && value) {
char *o;
o = arg_root_options ?
strjoin(arg_root_options, ",", value, NULL) :
strdup(value);
if (!o)
return log_oom();
free(arg_root_options);
arg_root_options = o;
} else if (streq(key, "mount.usr") && value) {
if (free_and_strdup(&arg_usr_what, value) < 0)
return log_oom();
} else if (streq(key, "mount.usrfstype") && value) {
if (free_and_strdup(&arg_usr_fstype, value) < 0)
return log_oom();
} else if (streq(key, "mount.usrflags") && value) {
char *o;
o = arg_usr_options ?
strjoin(arg_usr_options, ",", value, NULL) :
strdup(value);
if (!o)
return log_oom();
free(arg_usr_options);
arg_usr_options = o;
} else if (streq(key, "rw") && !value)
arg_root_rw = true;
else if (streq(key, "ro") && !value)
arg_root_rw = false;
return 0;
}
int tar_pull_start(
TarPull *i,
const char *url,
const char *local,
bool force_local,
ImportVerify verify,
bool settings) {
int r;
assert(i);
assert(verify < _IMPORT_VERIFY_MAX);
assert(verify >= 0);
if (!http_url_is_valid(url))
return -EINVAL;
if (local && !machine_name_is_valid(local))
return -EINVAL;
if (i->tar_job)
return -EBUSY;
r = free_and_strdup(&i->local, local);
if (r < 0)
return r;
i->force_local = force_local;
i->verify = verify;
i->settings = settings;
/* Set up download job for TAR file */
r = pull_job_new(&i->tar_job, url, i->glue, i);
if (r < 0)
return r;
i->tar_job->on_finished = tar_pull_job_on_finished;
i->tar_job->on_open_disk = tar_pull_job_on_open_disk_tar;
i->tar_job->on_progress = tar_pull_job_on_progress;
i->tar_job->calc_checksum = verify != IMPORT_VERIFY_NO;
i->tar_job->grow_machine_directory = i->grow_machine_directory;
r = pull_find_old_etags(url, i->image_root, DT_DIR, ".tar-", NULL, &i->tar_job->old_etags);
if (r < 0)
return r;
/* Set up download job for the settings file (.nspawn) */
if (settings) {
r = pull_make_auxiliary_job(&i->settings_job, url, tar_strip_suffixes, ".nspawn", i->glue, tar_pull_job_on_finished, i);
if (r < 0)
return r;
i->settings_job->on_open_disk = tar_pull_job_on_open_disk_settings;
i->settings_job->on_progress = tar_pull_job_on_progress;
i->settings_job->calc_checksum = verify != IMPORT_VERIFY_NO;
}
/* Set up download of checksum/signature files */
r = pull_make_verification_jobs(&i->checksum_job, &i->signature_job, verify, url, i->glue, tar_pull_job_on_finished, i);
if (r < 0)
return r;
r = pull_job_begin(i->tar_job);
if (r < 0)
return r;
if (i->settings_job) {
r = pull_job_begin(i->settings_job);
if (r < 0)
return r;
}
if (i->checksum_job) {
i->checksum_job->on_progress = tar_pull_job_on_progress;
i->checksum_job->style = VERIFICATION_PER_FILE;
r = pull_job_begin(i->checksum_job);
if (r < 0)
return r;
}
if (i->signature_job) {
i->signature_job->on_progress = tar_pull_job_on_progress;
r = pull_job_begin(i->signature_job);
if (r < 0)
return r;
}
return 0;
}
int vconsole_convert_to_x11(Context *c) {
const char *map;
int modified = -1;
map = systemd_kbd_model_map();
if (isempty(c->vc_keymap)) {
modified =
!isempty(c->x11_layout) ||
!isempty(c->x11_model) ||
!isempty(c->x11_variant) ||
!isempty(c->x11_options);
context_free_x11(c);
} else {
_cleanup_fclose_ FILE *f = NULL;
unsigned n = 0;
f = fopen(map, "re");
if (!f)
return -errno;
for (;;) {
_cleanup_strv_free_ char **a = NULL;
int r;
r = read_next_mapping(map, 5, UINT_MAX, f, &n, &a);
if (r < 0)
return r;
if (r == 0)
break;
if (!streq(c->vc_keymap, a[0]))
continue;
if (!streq_ptr(c->x11_layout, strnulldash(a[1])) ||
!streq_ptr(c->x11_model, strnulldash(a[2])) ||
!streq_ptr(c->x11_variant, strnulldash(a[3])) ||
!streq_ptr(c->x11_options, strnulldash(a[4]))) {
if (free_and_strdup(&c->x11_layout, strnulldash(a[1])) < 0 ||
free_and_strdup(&c->x11_model, strnulldash(a[2])) < 0 ||
free_and_strdup(&c->x11_variant, strnulldash(a[3])) < 0 ||
free_and_strdup(&c->x11_options, strnulldash(a[4])) < 0)
return -ENOMEM;
modified = true;
}
break;
}
}
if (modified > 0)
log_info("Changing X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'",
strempty(c->x11_layout),
strempty(c->x11_model),
strempty(c->x11_variant),
strempty(c->x11_options));
else if (modified < 0)
log_notice("X11 keyboard layout was not modified: no conversion found for \"%s\".",
c->vc_keymap);
else
log_debug("X11 keyboard layout did not need to be modified.");
return modified > 0;
}
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
assert(key);
if (streq(key, "systemd.mask")) {
if (!value)
log_error("Missing argument for systemd.mask= kernel command line parameter.");
else {
char *n;
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_mask, n);
if (r < 0)
return log_oom();
}
} else if (streq(key, "systemd.wants")) {
if (!value)
log_error("Missing argument for systemd.want= kernel command line parameter.");
else {
char *n;
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_wants, n);
if (r < 0)
return log_oom();
}
} else if (streq(key, "systemd.debug-shell")) {
if (value) {
r = parse_boolean(value);
if (r < 0)
log_error("Failed to parse systemd.debug-shell= argument '%s', ignoring.", value);
else
arg_debug_shell = r;
} else
arg_debug_shell = true;
} else if (streq(key, "systemd.unit")) {
if (!value)
log_error("Missing argument for systemd.unit= kernel command line parameter.");
else {
r = free_and_strdup(&arg_default_unit, value);
if (r < 0)
return log_error_errno(r, "Failed to set default unit %s: %m", value);
}
} else if (!value) {
const char *target;
target = runlevel_to_target(key);
if (target) {
r = free_and_strdup(&arg_default_unit, target);
if (r < 0)
return log_error_errno(r, "Failed to set default unit %s: %m", target);
}
}
return 0;
}
static int vconsole_convert_to_x11(Context *c, sd_bus *bus) {
bool modified = false;
assert(bus);
if (isempty(c->vc_keymap)) {
modified =
!isempty(c->x11_layout) ||
!isempty(c->x11_model) ||
!isempty(c->x11_variant) ||
!isempty(c->x11_options);
context_free_x11(c);
} else {
_cleanup_fclose_ FILE *f = NULL;
unsigned n = 0;
f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
if (!f)
return -errno;
for (;;) {
_cleanup_strv_free_ char **a = NULL;
int r;
r = read_next_mapping(f, &n, &a);
if (r < 0)
return r;
if (r == 0)
break;
if (!streq(c->vc_keymap, a[0]))
continue;
if (!streq_ptr(c->x11_layout, strnulldash(a[1])) ||
!streq_ptr(c->x11_model, strnulldash(a[2])) ||
!streq_ptr(c->x11_variant, strnulldash(a[3])) ||
!streq_ptr(c->x11_options, strnulldash(a[4]))) {
if (free_and_strdup(&c->x11_layout, strnulldash(a[1])) < 0 ||
free_and_strdup(&c->x11_model, strnulldash(a[2])) < 0 ||
free_and_strdup(&c->x11_variant, strnulldash(a[3])) < 0 ||
free_and_strdup(&c->x11_options, strnulldash(a[4])) < 0)
return -ENOMEM;
modified = true;
}
break;
}
}
if (modified) {
int r;
r = x11_write_data(c);
if (r < 0)
return log_error_errno(r, "Failed to set X11 keyboard layout: %m");
log_info("Changed X11 keyboard layout to '%s' model '%s' variant '%s' options '%s'",
strempty(c->x11_layout),
strempty(c->x11_model),
strempty(c->x11_variant),
strempty(c->x11_options));
sd_bus_emit_properties_changed(bus,
"/org/freedesktop/locale1",
"org.freedesktop.locale1",
"X11Layout", "X11Model", "X11Variant", "X11Options", NULL);
} else
log_debug("X11 keyboard layout was not modified.");
return 0;
}
int locale_read_data(Context *c, sd_bus_message *m) {
struct stat st;
int r;
/* Do not try to re-read the file within single bus operation. */
if (m) {
if (m == c->locale_cache)
return 0;
sd_bus_message_unref(c->locale_cache);
c->locale_cache = sd_bus_message_ref(m);
}
r = stat("/etc/locale.conf", &st);
if (r < 0 && errno != ENOENT)
return -errno;
if (r >= 0) {
usec_t t;
/* If mtime is not changed, then we do not need to re-read the file. */
t = timespec_load(&st.st_mtim);
if (c->locale_mtime != USEC_INFINITY && t == c->locale_mtime)
return 0;
c->locale_mtime = t;
context_free_locale(c);
r = parse_env_file(NULL, "/etc/locale.conf", NEWLINE,
"LANG", &c->locale[VARIABLE_LANG],
"LANGUAGE", &c->locale[VARIABLE_LANGUAGE],
"LC_CTYPE", &c->locale[VARIABLE_LC_CTYPE],
"LC_NUMERIC", &c->locale[VARIABLE_LC_NUMERIC],
"LC_TIME", &c->locale[VARIABLE_LC_TIME],
"LC_COLLATE", &c->locale[VARIABLE_LC_COLLATE],
"LC_MONETARY", &c->locale[VARIABLE_LC_MONETARY],
"LC_MESSAGES", &c->locale[VARIABLE_LC_MESSAGES],
"LC_PAPER", &c->locale[VARIABLE_LC_PAPER],
"LC_NAME", &c->locale[VARIABLE_LC_NAME],
"LC_ADDRESS", &c->locale[VARIABLE_LC_ADDRESS],
"LC_TELEPHONE", &c->locale[VARIABLE_LC_TELEPHONE],
"LC_MEASUREMENT", &c->locale[VARIABLE_LC_MEASUREMENT],
"LC_IDENTIFICATION", &c->locale[VARIABLE_LC_IDENTIFICATION],
NULL);
if (r < 0)
return r;
} else {
int p;
c->locale_mtime = USEC_INFINITY;
context_free_locale(c);
/* Fill in what we got passed from systemd. */
for (p = 0; p < _VARIABLE_LC_MAX; p++) {
const char *name;
name = locale_variable_to_string(p);
assert(name);
r = free_and_strdup(&c->locale[p], empty_to_null(getenv(name)));
if (r < 0)
return r;
}
}
locale_simplify(c->locale);
return 0;
}
int sd_netlink_slot_set_description(sd_netlink_slot *slot, const char *description) {
assert_return(slot, -EINVAL);
return free_and_strdup(&slot->description, description);
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_ROOT,
ARG_LOCALE,
ARG_LOCALE_MESSAGES,
ARG_TIMEZONE,
ARG_HOSTNAME,
ARG_MACHINE_ID,
ARG_ROOT_PASSWORD,
ARG_ROOT_PASSWORD_FILE,
ARG_PROMPT,
ARG_PROMPT_LOCALE,
ARG_PROMPT_TIMEZONE,
ARG_PROMPT_HOSTNAME,
ARG_PROMPT_ROOT_PASSWORD,
ARG_COPY,
ARG_COPY_LOCALE,
ARG_COPY_TIMEZONE,
ARG_COPY_ROOT_PASSWORD,
ARG_SETUP_MACHINE_ID,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "root", required_argument, NULL, ARG_ROOT },
{ "locale", required_argument, NULL, ARG_LOCALE },
{ "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES },
{ "timezone", required_argument, NULL, ARG_TIMEZONE },
{ "hostname", required_argument, NULL, ARG_HOSTNAME },
{ "machine-id", required_argument, NULL, ARG_MACHINE_ID },
{ "root-password", required_argument, NULL, ARG_ROOT_PASSWORD },
{ "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE },
{ "prompt", no_argument, NULL, ARG_PROMPT },
{ "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE },
{ "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE },
{ "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME },
{ "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD },
{ "copy", no_argument, NULL, ARG_COPY },
{ "copy-locale", no_argument, NULL, ARG_COPY_LOCALE },
{ "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE },
{ "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD },
{ "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID },
{}
};
int r, c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
switch (c) {
case 'h':
help();
return 0;
case ARG_VERSION:
return version();
case ARG_ROOT:
free(arg_root);
arg_root = path_make_absolute_cwd(optarg);
if (!arg_root)
return log_oom();
path_kill_slashes(arg_root);
if (path_equal(arg_root, "/"))
arg_root = mfree(arg_root);
break;
case ARG_LOCALE:
if (!locale_is_valid(optarg)) {
log_error("Locale %s is not valid.", optarg);
return -EINVAL;
}
r = free_and_strdup(&arg_locale, optarg);
if (r < 0)
return log_oom();
break;
case ARG_LOCALE_MESSAGES:
if (!locale_is_valid(optarg)) {
log_error("Locale %s is not valid.", optarg);
return -EINVAL;
}
r = free_and_strdup(&arg_locale_messages, optarg);
if (r < 0)
return log_oom();
break;
case ARG_TIMEZONE:
if (!timezone_is_valid(optarg)) {
log_error("Timezone %s is not valid.", optarg);
return -EINVAL;
}
r = free_and_strdup(&arg_timezone, optarg);
if (r < 0)
return log_oom();
break;
case ARG_ROOT_PASSWORD:
r = free_and_strdup(&arg_root_password, optarg);
if (r < 0)
return log_oom();
break;
case ARG_ROOT_PASSWORD_FILE:
arg_root_password = mfree(arg_root_password);
r = read_one_line_file(optarg, &arg_root_password);
if (r < 0)
return log_error_errno(r, "Failed to read %s: %m", optarg);
break;
case ARG_HOSTNAME:
if (!hostname_is_valid(optarg, true)) {
log_error("Host name %s is not valid.", optarg);
return -EINVAL;
}
hostname_cleanup(optarg);
r = free_and_strdup(&arg_hostname, optarg);
if (r < 0)
return log_oom();
break;
case ARG_MACHINE_ID:
if (sd_id128_from_string(optarg, &arg_machine_id) < 0) {
log_error("Failed to parse machine id %s.", optarg);
return -EINVAL;
}
break;
case ARG_PROMPT:
arg_prompt_locale = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true;
break;
case ARG_PROMPT_LOCALE:
arg_prompt_locale = true;
break;
case ARG_PROMPT_TIMEZONE:
arg_prompt_timezone = true;
break;
case ARG_PROMPT_HOSTNAME:
arg_prompt_hostname = true;
break;
case ARG_PROMPT_ROOT_PASSWORD:
arg_prompt_root_password = true;
break;
case ARG_COPY:
arg_copy_locale = arg_copy_timezone = arg_copy_root_password = true;
break;
case ARG_COPY_LOCALE:
arg_copy_locale = true;
break;
case ARG_COPY_TIMEZONE:
arg_copy_timezone = true;
break;
case ARG_COPY_ROOT_PASSWORD:
arg_copy_root_password = true;
break;
case ARG_SETUP_MACHINE_ID:
r = sd_id128_randomize(&arg_machine_id);
if (r < 0)
return log_error_errno(r, "Failed to generate randomized machine ID: %m");
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
return 1;
}
static int enumerate_partitions(dev_t devnum) {
_cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
_cleanup_udev_device_unref_ struct udev_device *d = NULL;
_cleanup_blkid_free_probe_ blkid_probe b = NULL;
_cleanup_udev_unref_ struct udev *udev = NULL;
_cleanup_free_ char *boot = NULL, *home = NULL, *srv = NULL;
struct udev_list_entry *first, *item;
struct udev_device *parent = NULL;
const char *name, *node, *pttype, *devtype;
int boot_nr = -1, home_nr = -1, srv_nr = -1;
bool home_rw = true, srv_rw = true;
blkid_partlist pl;
int r, k;
dev_t pn;
udev = udev_new();
if (!udev)
return log_oom();
d = udev_device_new_from_devnum(udev, 'b', devnum);
if (!d)
return log_oom();
name = udev_device_get_devnode(d);
if (!name)
name = udev_device_get_syspath(d);
if (!name) {
log_debug("Device %u:%u does not have a name, ignoring.",
major(devnum), minor(devnum));
return 0;
}
parent = udev_device_get_parent(d);
if (!parent) {
log_debug("%s: not a partitioned device, ignoring.", name);
return 0;
}
/* Does it have a devtype? */
devtype = udev_device_get_devtype(parent);
if (!devtype) {
log_debug("%s: parent doesn't have a device type, ignoring.", name);
return 0;
}
/* Is this a disk or a partition? We only care for disks... */
if (!streq(devtype, "disk")) {
log_debug("%s: parent isn't a raw disk, ignoring.", name);
return 0;
}
/* Does it have a device node? */
node = udev_device_get_devnode(parent);
if (!node) {
log_debug("%s: parent device does not have device node, ignoring.", name);
return 0;
}
log_debug("%s: root device %s.", name, node);
pn = udev_device_get_devnum(parent);
if (major(pn) == 0)
return 0;
errno = 0;
b = blkid_new_probe_from_filename(node);
if (!b) {
if (errno == 0)
return log_oom();
return log_error_errno(errno, "%s: failed to allocate prober: %m", node);
}
blkid_probe_enable_partitions(b, 1);
blkid_probe_set_partitions_flags(b, BLKID_PARTS_ENTRY_DETAILS);
errno = 0;
r = blkid_do_safeprobe(b);
if (r == 1)
return 0; /* no results */
else if (r == -2) {
log_warning("%s: probe gave ambiguous results, ignoring", node);
return 0;
} else if (r != 0)
return log_error_errno(errno ?: EIO, "%s: failed to probe: %m", node);
errno = 0;
r = blkid_probe_lookup_value(b, "PTTYPE", &pttype, NULL);
if (r != 0)
return log_error_errno(errno ?: EIO,
"%s: failed to determine partition table type: %m", node);
/* We only do this all for GPT... */
if (!streq_ptr(pttype, "gpt")) {
log_debug("%s: not a GPT partition table, ignoring.", node);
return 0;
}
errno = 0;
pl = blkid_probe_get_partitions(b);
if (!pl) {
if (errno == 0)
return log_oom();
return log_error_errno(errno, "%s: failed to list partitions: %m", node);
}
e = udev_enumerate_new(udev);
if (!e)
return log_oom();
r = udev_enumerate_add_match_parent(e, parent);
if (r < 0)
return log_oom();
r = udev_enumerate_add_match_subsystem(e, "block");
if (r < 0)
return log_oom();
r = udev_enumerate_scan_devices(e);
if (r < 0)
return log_error_errno(r, "%s: failed to enumerate partitions: %m", node);
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
_cleanup_udev_device_unref_ struct udev_device *q;
unsigned long long flags;
const char *stype, *subnode;
sd_id128_t type_id;
blkid_partition pp;
dev_t qn;
int nr;
q = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item));
if (!q)
continue;
qn = udev_device_get_devnum(q);
if (major(qn) == 0)
continue;
if (qn == devnum)
continue;
if (qn == pn)
continue;
subnode = udev_device_get_devnode(q);
if (!subnode)
continue;
pp = blkid_partlist_devno_to_partition(pl, qn);
if (!pp)
continue;
nr = blkid_partition_get_partno(pp);
if (nr < 0)
continue;
stype = blkid_partition_get_type_string(pp);
if (!stype)
continue;
if (sd_id128_from_string(stype, &type_id) < 0)
continue;
flags = blkid_partition_get_flags(pp);
if (sd_id128_equal(type_id, GPT_SWAP)) {
if (flags & GPT_FLAG_NO_AUTO)
continue;
if (flags & GPT_FLAG_READ_ONLY) {
log_debug("%s marked as read-only swap partition, which is bogus. Ignoring.", subnode);
continue;
}
k = add_swap(subnode);
if (k < 0)
r = k;
} else if (sd_id128_equal(type_id, GPT_ESP)) {
/* We only care for the first /boot partition */
if (boot && nr >= boot_nr)
continue;
/* Note that we do not honour the "no-auto"
* flag for the ESP, as it is often unset, to
* hide it from Windows. */
boot_nr = nr;
r = free_and_strdup(&boot, subnode);
if (r < 0)
return log_oom();
} else if (sd_id128_equal(type_id, GPT_HOME)) {
if (flags & GPT_FLAG_NO_AUTO)
continue;
/* We only care for the first /home partition */
if (home && nr >= home_nr)
continue;
home_nr = nr;
home_rw = !(flags & GPT_FLAG_READ_ONLY),
r = free_and_strdup(&home, subnode);
if (r < 0)
return log_oom();
} else if (sd_id128_equal(type_id, GPT_SRV)) {
if (flags & GPT_FLAG_NO_AUTO)
continue;
/* We only care for the first /srv partition */
if (srv && nr >= srv_nr)
continue;
srv_nr = nr;
srv_rw = !(flags & GPT_FLAG_READ_ONLY),
r = free_and_strdup(&srv, subnode);
if (r < 0)
return log_oom();
}
}
