int allocate_scope(
sd_bus *bus,
const char *machine_name,
pid_t pid,
const char *slice,
CustomMount *mounts,
unsigned n_mounts,
int kill_signal,
char **properties,
sd_bus_message *properties_message) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
_cleanup_free_ char *scope = NULL;
const char *description, *object;
int r;
assert(bus);
r = bus_wait_for_jobs_new(bus, &w);
if (r < 0)
return log_error_errno(r, "Could not watch job: %m");
r = unit_name_mangle_with_suffix(machine_name, 0, ".scope", &scope);
if (r < 0)
return log_error_errno(r, "Failed to mangle scope name: %m");
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1.Manager",
"StartTransientUnit");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "ss", scope, "fail");
if (r < 0)
return bus_log_create_error(r);
/* Properties */
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
description = strjoina("Container ", machine_name);
r = sd_bus_message_append(m, "(sv)(sv)(sv)(sv)(sv)(sv)",
"PIDs", "au", 1, pid,
"Description", "s", description,
"Delegate", "b", 1,
"CollectMode", "s", "inactive-or-failed",
"AddRef", "b", 1,
"Slice", "s", isempty(slice) ? SPECIAL_MACHINE_SLICE : slice);
if (r < 0)
return bus_log_create_error(r);
r = append_controller_property(bus, m);
if (r < 0)
return r;
if (properties_message) {
r = sd_bus_message_copy(m, properties_message, true);
if (r < 0)
return bus_log_create_error(r);
}
r = append_machine_properties(
m,
mounts,
n_mounts,
kill_signal);
if (r < 0)
return r;
r = bus_append_unit_property_assignment_many(m, UNIT_SCOPE, properties);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
/* No auxiliary units */
r = sd_bus_message_append(
m,
"a(sa(sv))",
0);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0)
return log_error_errno(r, "Failed to allocate scope: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "o", &object);
if (r < 0)
return bus_log_parse_error(r);
r = bus_wait_for_jobs_one(w, object, false);
if (r < 0)
return r;
return 0;
}
int main(int argc, char *argv[]) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *copy = NULL;
int r, boolean;
const char *x, *x2, *y, *z, *a, *b, *c, *d, *a_signature;
uint8_t u, v;
void *buffer = NULL;
size_t sz;
char *h;
const int32_t integer_array[] = { -1, -2, 0, 1, 2 }, *return_array;
char *s;
_cleanup_free_ char *first = NULL, *second = NULL, *third = NULL;
_cleanup_fclose_ FILE *ms = NULL;
size_t first_size = 0, second_size = 0, third_size = 0;
_cleanup_(sd_bus_unrefp) sd_bus *bus = NULL;
double dbl;
uint64_t u64;
r = sd_bus_default_system(&bus);
if (r < 0)
return EXIT_TEST_SKIP;
r = sd_bus_message_new_method_call(bus, &m, "foobar.waldo", "/", "foobar.waldo", "Piep");
assert_se(r >= 0);
r = sd_bus_message_append(m, "");
assert_se(r >= 0);
r = sd_bus_message_append(m, "s", "a string");
assert_se(r >= 0);
r = sd_bus_message_append(m, "s", NULL);
assert_se(r >= 0);
r = sd_bus_message_append(m, "asg", 2, "string #1", "string #2", "sba(tt)ss");
assert_se(r >= 0);
r = sd_bus_message_append(m, "sass", "foobar", 5, "foo", "bar", "waldo", "piep", "pap", "after");
assert_se(r >= 0);
r = sd_bus_message_append(m, "a{yv}", 2, 3, "s", "foo", 5, "s", "waldo");
assert_se(r >= 0);
r = sd_bus_message_append(m, "y(ty)y(yt)y", 8, 777ULL, 7, 9, 77, 7777ULL, 10);
assert_se(r >= 0);
r = sd_bus_message_append(m, "()");
assert_se(r >= 0);
r = sd_bus_message_append(m, "ba(ss)", 255, 3, "aaa", "1", "bbb", "2", "ccc", "3");
assert_se(r >= 0);
r = sd_bus_message_open_container(m, 'a', "s");
assert_se(r >= 0);
r = sd_bus_message_append_basic(m, 's', "foobar");
assert_se(r >= 0);
r = sd_bus_message_append_basic(m, 's', "waldo");
assert_se(r >= 0);
r = sd_bus_message_close_container(m);
assert_se(r >= 0);
r = sd_bus_message_append_string_space(m, 5, &s);
assert_se(r >= 0);
strcpy(s, "hallo");
r = sd_bus_message_append_array(m, 'i', integer_array, sizeof(integer_array));
assert_se(r >= 0);
r = sd_bus_message_append_array(m, 'u', NULL, 0);
assert_se(r >= 0);
r = sd_bus_message_append(m, "a(stdo)", 1, "foo", 815ULL, 47.0, "/");
assert_se(r >= 0);
r = bus_message_seal(m, 4711, 0);
assert_se(r >= 0);
bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
ms = open_memstream(&first, &first_size);
bus_message_dump(m, ms, 0);
fflush(ms);
assert_se(!ferror(ms));
r = bus_message_get_blob(m, &buffer, &sz);
assert_se(r >= 0);
h = hexmem(buffer, sz);
assert_se(h);
log_info("message size = %zu, contents =\n%s", sz, h);
free(h);
#ifdef HAVE_GLIB
{
GDBusMessage *g;
char *p;
#if !defined(GLIB_VERSION_2_36)
g_type_init();
#endif
g = g_dbus_message_new_from_blob(buffer, sz, 0, NULL);
p = g_dbus_message_print(g, 0);
log_info("%s", p);
g_free(p);
g_object_unref(g);
}
#endif
#ifdef HAVE_DBUS
{
DBusMessage *w;
DBusError error;
dbus_error_init(&error);
w = dbus_message_demarshal(buffer, sz, &error);
if (!w)
log_error("%s", error.message);
else
dbus_message_unref(w);
dbus_error_free(&error);
}
#endif
m = sd_bus_message_unref(m);
r = bus_message_from_malloc(bus, buffer, sz, NULL, 0, NULL, &m);
assert_se(r >= 0);
bus_message_dump(m, stdout, BUS_MESSAGE_DUMP_WITH_HEADER);
fclose(ms);
ms = open_memstream(&second, &second_size);
bus_message_dump(m, ms, 0);
fflush(ms);
assert_se(!ferror(ms));
assert_se(first_size == second_size);
assert_se(memcmp(first, second, first_size) == 0);
assert_se(sd_bus_message_rewind(m, true) >= 0);
r = sd_bus_message_read(m, "ssasg", &x, &x2, 2, &y, &z, &a_signature);
assert_se(r > 0);
assert_se(streq(x, "a string"));
assert_se(streq(x2, ""));
assert_se(streq(y, "string #1"));
assert_se(streq(z, "string #2"));
assert_se(streq(a_signature, "sba(tt)ss"));
r = sd_bus_message_read(m, "sass", &x, 5, &y, &z, &a, &b, &c, &d);
assert_se(r > 0);
assert_se(streq(x, "foobar"));
assert_se(streq(y, "foo"));
assert_se(streq(z, "bar"));
assert_se(streq(a, "waldo"));
assert_se(streq(b, "piep"));
assert_se(streq(c, "pap"));
assert_se(streq(d, "after"));
r = sd_bus_message_read(m, "a{yv}", 2, &u, "s", &x, &v, "s", &y);
assert_se(r > 0);
assert_se(u == 3);
assert_se(streq(x, "foo"));
assert_se(v == 5);
assert_se(streq(y, "waldo"));
r = sd_bus_message_read(m, "y(ty)", &v, &u64, &u);
assert_se(r > 0);
assert_se(v == 8);
assert_se(u64 == 777);
assert_se(u == 7);
r = sd_bus_message_read(m, "y(yt)", &v, &u, &u64);
assert_se(r > 0);
assert_se(v == 9);
assert_se(u == 77);
assert_se(u64 == 7777);
r = sd_bus_message_read(m, "y", &v);
assert_se(r > 0);
assert_se(v == 10);
r = sd_bus_message_read(m, "()");
assert_se(r > 0);
r = sd_bus_message_read(m, "ba(ss)", &boolean, 3, &x, &y, &a, &b, &c, &d);
assert_se(r > 0);
assert_se(boolean);
assert_se(streq(x, "aaa"));
assert_se(streq(y, "1"));
assert_se(streq(a, "bbb"));
assert_se(streq(b, "2"));
assert_se(streq(c, "ccc"));
assert_se(streq(d, "3"));
assert_se(sd_bus_message_verify_type(m, 'a', "s") > 0);
r = sd_bus_message_read(m, "as", 2, &x, &y);
assert_se(r > 0);
assert_se(streq(x, "foobar"));
assert_se(streq(y, "waldo"));
r = sd_bus_message_read_basic(m, 's', &s);
assert_se(r > 0);
assert_se(streq(s, "hallo"));
r = sd_bus_message_read_array(m, 'i', (const void**) &return_array, &sz);
assert_se(r > 0);
assert_se(sz == sizeof(integer_array));
assert_se(memcmp(integer_array, return_array, sz) == 0);
r = sd_bus_message_read_array(m, 'u', (const void**) &return_array, &sz);
assert_se(r > 0);
assert_se(sz == 0);
r = sd_bus_message_read(m, "a(stdo)", 1, &x, &u64, &dbl, &y);
assert_se(r > 0);
assert_se(streq(x, "foo"));
assert_se(u64 == 815ULL);
assert_se(fabs(dbl - 47.0) < 0.1);
assert_se(streq(y, "/"));
r = sd_bus_message_peek_type(m, NULL, NULL);
assert_se(r == 0);
r = sd_bus_message_new_method_call(bus, ©, "foobar.waldo", "/", "foobar.waldo", "Piep");
assert_se(r >= 0);
r = sd_bus_message_rewind(m, true);
assert_se(r >= 0);
r = sd_bus_message_copy(copy, m, true);
assert_se(r >= 0);
r = bus_message_seal(copy, 4712, 0);
assert_se(r >= 0);
fclose(ms);
ms = open_memstream(&third, &third_size);
bus_message_dump(copy, ms, 0);
fflush(ms);
assert_se(!ferror(ms));
printf("<%.*s>\n", (int) first_size, first);
printf("<%.*s>\n", (int) third_size, third);
assert_se(first_size == third_size);
assert_se(memcmp(first, third, third_size) == 0);
r = sd_bus_message_rewind(m, true);
assert_se(r >= 0);
assert_se(sd_bus_message_verify_type(m, 's', NULL) > 0);
r = sd_bus_message_skip(m, "ssasg");
assert_se(r > 0);
assert_se(sd_bus_message_verify_type(m, 's', NULL) > 0);
r = sd_bus_message_skip(m, "sass");
assert_se(r >= 0);
assert_se(sd_bus_message_verify_type(m, 'a', "{yv}") > 0);
r = sd_bus_message_skip(m, "a{yv}y(ty)y(yt)y()");
assert_se(r >= 0);
assert_se(sd_bus_message_verify_type(m, 'b', NULL) > 0);
r = sd_bus_message_read(m, "b", &boolean);
assert_se(r > 0);
assert_se(boolean);
r = sd_bus_message_enter_container(m, 0, NULL);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &x, &y);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &a, &b);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &c, &d);
assert_se(r > 0);
r = sd_bus_message_read(m, "(ss)", &x, &y);
assert_se(r == 0);
r = sd_bus_message_exit_container(m);
assert_se(r >= 0);
assert_se(streq(x, "aaa"));
assert_se(streq(y, "1"));
assert_se(streq(a, "bbb"));
assert_se(streq(b, "2"));
assert_se(streq(c, "ccc"));
assert_se(streq(d, "3"));
test_bus_label_escape();
test_bus_path_encode();
test_bus_path_encode_unique();
test_bus_path_encode_many();
return 0;
}
int register_machine(
sd_bus *bus,
const char *machine_name,
pid_t pid,
const char *directory,
sd_id128_t uuid,
int local_ifindex,
const char *slice,
CustomMount *mounts,
unsigned n_mounts,
int kill_signal,
char **properties,
sd_bus_message *properties_message,
bool keep_unit,
const char *service) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(bus);
if (keep_unit) {
r = sd_bus_call_method(
bus,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"RegisterMachineWithNetwork",
&error,
NULL,
"sayssusai",
machine_name,
SD_BUS_MESSAGE_APPEND_ID128(uuid),
service,
"container",
(uint32_t) pid,
strempty(directory),
local_ifindex > 0 ? 1 : 0, local_ifindex);
} else {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
r = sd_bus_message_new_method_call(
bus,
&m,
"org.freedesktop.machine1",
"/org/freedesktop/machine1",
"org.freedesktop.machine1.Manager",
"CreateMachineWithNetwork");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(
m,
"sayssusai",
machine_name,
SD_BUS_MESSAGE_APPEND_ID128(uuid),
service,
"container",
(uint32_t) pid,
strempty(directory),
local_ifindex > 0 ? 1 : 0, local_ifindex);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_open_container(m, 'a', "(sv)");
if (r < 0)
return bus_log_create_error(r);
if (!isempty(slice)) {
r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
if (r < 0)
return bus_log_create_error(r);
}
r = append_controller_property(bus, m);
if (r < 0)
return r;
r = append_machine_properties(
m,
mounts,
n_mounts,
kill_signal);
if (r < 0)
return r;
if (properties_message) {
r = sd_bus_message_copy(m, properties_message, true);
if (r < 0)
return bus_log_create_error(r);
}
r = bus_append_unit_property_assignment_many(m, UNIT_SERVICE, properties);
if (r < 0)
return r;
r = sd_bus_message_close_container(m);
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_call(bus, m, 0, &error, NULL);
}
if (r < 0)
return log_error_errno(r, "Failed to register machine: %s", bus_error_message(&error, r));
return 0;
}
