static int device_add_udev_wants(Unit *u, struct udev_device *dev) {
const char *wants;
const char *word, *state;
size_t l;
int r;
const char *property;
assert(u);
assert(dev);
property = u->manager->running_as == SYSTEMD_USER ? "SYSTEMD_USER_WANTS" : "SYSTEMD_WANTS";
wants = udev_device_get_property_value(dev, property);
if (!wants)
return 0;
FOREACH_WORD_QUOTED(word, l, wants, state) {
_cleanup_free_ char *n = NULL;
char e[l+1];
memcpy(e, word, l);
e[l] = 0;
n = unit_name_mangle(e, MANGLE_NOGLOB);
if (!n)
return -ENOMEM;
r = unit_add_dependency_by_name(u, UNIT_WANTS, n, NULL, true);
if (r < 0)
return r;
}
static int device_add_udev_wants(Unit *u, struct udev_device *dev) {
const char *wants, *property, *p;
int r;
assert(u);
assert(dev);
property = MANAGER_IS_USER(u->manager) ? "SYSTEMD_USER_WANTS" : "SYSTEMD_WANTS";
wants = udev_device_get_property_value(dev, property);
for (p = wants;;) {
_cleanup_free_ char *word = NULL, *k = NULL;
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
if (r == 0)
return 0;
if (r == -ENOMEM)
return log_oom();
if (r < 0)
return log_unit_error_errno(u, r, "Failed to add parse %s: %m", property);
r = unit_name_mangle(word, UNIT_NAME_NOGLOB, &k);
if (r < 0)
return log_unit_error_errno(u, r, "Failed to mangle unit name \"%s\": %m", word);
r = unit_add_dependency_by_name(u, UNIT_WANTS, k, NULL, true);
if (r < 0)
return log_unit_error_errno(u, r, "Failed to add wants dependency: %m");
}
}
static void test_u_n_m_one(const char *pattern, const char *expect, int ret) {
_cleanup_free_ char *t = NULL;
assert_se(unit_name_mangle(pattern, UNIT_NAME_NOGLOB, &t) == ret);
puts(strna(t));
assert_se(streq_ptr(t, expect));
if (t) {
_cleanup_free_ char *k = NULL;
assert_se(unit_name_is_valid(t, UNIT_NAME_ANY));
assert_se(unit_name_mangle(t, UNIT_NAME_NOGLOB, &k) == 0);
assert_se(streq_ptr(t, k));
}
}
static int device_add_udev_wants(Unit *u, struct udev_device *dev) {
const char *wants;
const char *word, *state;
size_t l;
int r;
const char *property;
assert(u);
assert(dev);
property = u->manager->running_as == MANAGER_USER ? "MANAGER_USER_WANTS" : "SYSTEMD_WANTS";
wants = udev_device_get_property_value(dev, property);
if (!wants)
return 0;
FOREACH_WORD_QUOTED(word, l, wants, state) {
_cleanup_free_ char *n = NULL;
char e[l+1];
memcpy(e, word, l);
e[l] = 0;
r = unit_name_mangle(e, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_unit_error_errno(u, r, "Failed to mangle unit name: %m");
r = unit_add_dependency_by_name(u, UNIT_WANTS, n, NULL, true);
if (r < 0)
return log_unit_error_errno(u, r, "Failed to add wants dependency: %m");
}
static void test_unit_name_mangle_one(UnitNameMangle allow_globs, const char *pattern, const char *expect, int ret) {
_cleanup_free_ char *t = NULL;
assert_se(unit_name_mangle(pattern, allow_globs, &t) == ret);
puts(strna(t));
assert_se(streq_ptr(t, expect));
if (t) {
_cleanup_free_ char *k = NULL;
assert_se(unit_name_is_valid(t, UNIT_NAME_ANY) ||
(allow_globs == UNIT_NAME_GLOB && string_is_glob(t)));
assert_se(unit_name_mangle(t, allow_globs, &k) == 0);
assert_se(streq_ptr(t, k));
}
}
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;
}
