#include <errno.h>
#include <string.h>
-#include <sys/capability.h>
#include <arpa/inet.h>
#include "bus-util.h"
#include "bus-label.h"
#include "strv.h"
-#include "bus-errors.h"
+#include "bus-common-errors.h"
#include "copy.h"
#include "fileio.h"
#include "in-addr-util.h"
#include "local-addresses.h"
+#include "path-util.h"
+#include "bus-internal.h"
#include "machine.h"
+#include "machine-dbus.h"
static int property_get_id(
sd_bus *bus,
assert(message);
assert(m);
+ if (m->class != MACHINE_CONTAINER)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Requesting IP address data is only supported on container machines.");
+
r = readlink_malloc("/proc/self/ns/net", &us);
if (r < 0)
return sd_bus_error_set_errno(error, r);
if (r < 0)
_exit(EXIT_FAILURE);
- n = local_addresses(NULL, 0, &addresses);
+ n = local_addresses(NULL, 0, AF_UNSPEC, &addresses);
if (n < 0)
_exit(EXIT_FAILURE);
assert(message);
assert(m);
+ if (m->class != MACHINE_CONTAINER)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Requesting OS release data is only supported on container machines.");
+
r = namespace_open(m->leader, NULL, &mntns_fd, NULL, &root_fd);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0)
- return sd_bus_error_set_errno(error, -errno);
+ return -errno;
child = fork();
if (child < 0)
- return sd_bus_error_set_errno(error, -errno);
+ return -errno;
if (child == 0) {
_cleanup_close_ int fd = -1;
_exit(EXIT_FAILURE);
}
- r = copy_bytes(fd, pair[1], (off_t) -1);
+ r = copy_bytes(fd, pair[1], (off_t) -1, false);
if (r < 0)
_exit(EXIT_FAILURE);
f = fdopen(pair[0], "re");
if (!f)
- return sd_bus_error_set_errno(error, -errno);
+ return -errno;
pair[0] = -1;
r = load_env_file_pairs(f, "/etc/os-release", NULL, &l);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
r = wait_for_terminate(child, &si);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
- return sd_bus_error_set_errno(error, EIO);
+ return -EIO;
r = sd_bus_message_new_method_return(message, &reply);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
r = sd_bus_message_open_container(reply, 'a', "{ss}");
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
STRV_FOREACH_PAIR(k, v, l) {
r = sd_bus_message_append(reply, "{ss}", *k, *v);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
}
r = sd_bus_message_close_container(reply);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
+
+ return sd_bus_send(bus, reply, NULL);
+}
+
+int bus_machine_method_open_pty(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_free_ char *pty_name = NULL;
+ _cleanup_close_ int master = -1;
+ Machine *m = userdata;
+ int r;
+
+ assert(bus);
+ assert(message);
+ assert(m);
+
+ if (m->class != MACHINE_CONTAINER)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Opening pseudo TTYs is only supported on container machines.");
+
+ master = openpt_in_namespace(m->leader, O_RDWR|O_NOCTTY|O_CLOEXEC);
+ if (master < 0)
+ return master;
+
+ r = ptsname_malloc(master, &pty_name);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_new_method_return(message, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "hs", master, pty_name);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, reply, NULL);
+}
+
+int bus_machine_method_open_login(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_free_ char *pty_name = NULL, *getty = NULL;
+ _cleanup_bus_unref_ sd_bus *container_bus = NULL;
+ _cleanup_close_ int master = -1;
+ Machine *m = userdata;
+ const char *p;
+ int r;
+
+ if (m->class != MACHINE_CONTAINER)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Opening logins is only supported on container machines.");
+
+ r = bus_verify_polkit_async(
+ message,
+ CAP_SYS_ADMIN,
+ "org.freedesktop.machine1.login",
+ false,
+ &m->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
+ master = openpt_in_namespace(m->leader, O_RDWR|O_NOCTTY|O_CLOEXEC);
+ if (master < 0)
+ return master;
+
+ r = ptsname_malloc(master, &pty_name);
+ if (r < 0)
+ return r;
+
+ p = path_startswith(pty_name, "/dev/pts/");
+ if (!p)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "PTS name %s is invalid", pty_name);
+
+ if (unlockpt(master) < 0)
+ return -errno;
+
+ r = sd_bus_new(&container_bus);
+ if (r < 0)
+ return r;
+
+#ifdef ENABLE_KDBUS
+ asprintf(&container_bus->address, "x-machine-kernel:pid=" PID_FMT ";x-machine-unix:pid=" PID_FMT, m->leader, m->leader);
+#else
+ asprintf(&container_bus->address, "x-machine-kernel:pid=" PID_FMT, m->leader);
+#endif
+ if (!container_bus->address)
+ return -ENOMEM;
+
+ container_bus->bus_client = true;
+ container_bus->trusted = false;
+ container_bus->is_system = true;
+
+ r = sd_bus_start(container_bus);
+ if (r < 0)
+ return r;
+
+ getty = strjoin("container-getty@", p, ".service", NULL);
+ if (!getty)
+ return -ENOMEM;
+
+ r = sd_bus_call_method(
+ container_bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "StartUnit",
+ error, NULL,
+ "ss", getty, "replace");
+ if (r < 0)
+ return r;
+
+ container_bus = sd_bus_unref(container_bus);
+
+ r = sd_bus_message_new_method_return(message, &reply);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "hs", master, pty_name);
+ if (r < 0)
+ return r;
return sd_bus_send(bus, reply, NULL);
}
SD_BUS_METHOD("Kill", "si", NULL, bus_machine_method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
SD_BUS_METHOD("GetAddresses", NULL, "a(iay)", bus_machine_method_get_addresses, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("GetOSRelease", NULL, "a{ss}", bus_machine_method_get_os_release, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("OpenPTY", NULL, "hs", bus_machine_method_open_pty, 0),
+ SD_BUS_METHOD("OpenLogin", NULL, "hs", bus_machine_method_open_login, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_VTABLE_END
};