X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fmachine%2Fmachine-dbus.c;h=116e711a78f68403d22e758cd394225076c46fbb;hb=19e887e709c31ee4366ec44a770d3963cd48cb86;hp=c6a794b5e838f483b1ca5cade04ef48d1ebaa814;hpb=f00c31213a2e521680c2381ef231f05e30c874a7;p=elogind.git

diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c
index c6a794b5e..116e711a7 100644
--- a/src/machine/machine-dbus.c
+++ b/src/machine/machine-dbus.c
@@ -21,10 +21,28 @@
 
 #include <errno.h>
 #include <string.h>
+#include <arpa/inet.h>
+#include <sys/mount.h>
+
+/* When we include libgen.h because we need dirname() we immediately
+ * undefine basename() since libgen.h defines it as a macro to the XDG
+ * version which is really broken. */
+#include <libgen.h>
+#undef basename
 
 #include "bus-util.h"
+#include "bus-label.h"
 #include "strv.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 "mkdir.h"
+#include "bus-internal.h"
 #include "machine.h"
+#include "machine-dbus.h"
 
 static int property_get_id(
                 sd_bus *bus,
@@ -75,9 +93,34 @@ static int property_get_state(
         return 1;
 }
 
+static int property_get_netif(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Machine *m = userdata;
+        int r;
+
+        assert(bus);
+        assert(reply);
+        assert(m);
+
+        assert_cc(sizeof(int) == sizeof(int32_t));
+
+        r = sd_bus_message_append_array(reply, 'i', m->netif, m->n_netif * sizeof(int));
+        if (r < 0)
+                return r;
+
+        return 1;
+}
+
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, machine_class, MachineClass);
 
-static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+int bus_machine_method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Machine *m = userdata;
         int r;
 
@@ -85,6 +128,19 @@ static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata
         assert(message);
         assert(m);
 
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.machine1.manage-machines",
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
         r = machine_stop(m);
         if (r < 0)
                 return r;
@@ -92,7 +148,7 @@ static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata
         return sd_bus_reply_method_return(message, NULL);
 }
 
-static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+int bus_machine_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Machine *m = userdata;
         const char *swho;
         int32_t signo;
@@ -118,6 +174,19 @@ static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_
         if (signo <= 0 || signo >= _NSIG)
                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
 
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.machine1.manage-machines",
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
         r = machine_kill(m, who, signo);
         if (r < 0)
                 return r;
@@ -125,20 +194,790 @@ static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_
         return sd_bus_reply_method_return(message, NULL);
 }
 
+int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+        _cleanup_close_pair_ int pair[2] = { -1, -1 };
+        _cleanup_free_ char *us = NULL, *them = NULL;
+        _cleanup_close_ int netns_fd = -1;
+        Machine *m = userdata;
+        const char *p;
+        siginfo_t si;
+        pid_t child;
+        int r;
+
+        assert(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 r;
+
+        p = procfs_file_alloca(m->leader, "ns/net");
+        r = readlink_malloc(p, &them);
+        if (r < 0)
+                return r;
+
+        if (streq(us, them))
+                return sd_bus_error_setf(error, BUS_ERROR_NO_PRIVATE_NETWORKING, "Machine %s does not use private networking", m->name);
+
+        r = namespace_open(m->leader, NULL, NULL, &netns_fd, NULL);
+        if (r < 0)
+                return r;
+
+        if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0)
+                return -errno;
+
+        child = fork();
+        if (child < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
+
+        if (child == 0) {
+                _cleanup_free_ struct local_address *addresses = NULL;
+                struct local_address *a;
+                int i, n;
+
+                pair[0] = safe_close(pair[0]);
+
+                r = namespace_enter(-1, -1, netns_fd, -1);
+                if (r < 0)
+                        _exit(EXIT_FAILURE);
+
+                n = local_addresses(NULL, 0, AF_UNSPEC, &addresses);
+                if (n < 0)
+                        _exit(EXIT_FAILURE);
+
+                for (a = addresses, i = 0; i < n; a++, i++) {
+                        struct iovec iov[2] = {
+                                { .iov_base = &a->family, .iov_len = sizeof(a->family) },
+                                { .iov_base = &a->address, .iov_len = FAMILY_ADDRESS_SIZE(a->family) },
+                        };
+
+                        r = writev(pair[1], iov, 2);
+                        if (r < 0)
+                                _exit(EXIT_FAILURE);
+                }
+
+                pair[1] = safe_close(pair[1]);
+
+                _exit(EXIT_SUCCESS);
+        }
+
+        pair[1] = safe_close(pair[1]);
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "(iay)");
+        if (r < 0)
+                return r;
+
+        for (;;) {
+                int family;
+                ssize_t n;
+                union in_addr_union in_addr;
+                struct iovec iov[2];
+                struct msghdr mh = {
+                        .msg_iov = iov,
+                        .msg_iovlen = 2,
+                };
+
+                iov[0] = (struct iovec) { .iov_base = &family, .iov_len = sizeof(family) };
+                iov[1] = (struct iovec) { .iov_base = &in_addr, .iov_len = sizeof(in_addr) };
+
+                n = recvmsg(pair[0], &mh, 0);
+                if (n < 0)
+                        return -errno;
+                if ((size_t) n < sizeof(family))
+                        break;
+
+                r = sd_bus_message_open_container(reply, 'r', "iay");
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_append(reply, "i", family);
+                if (r < 0)
+                        return r;
+
+                switch (family) {
+
+                case AF_INET:
+                        if (n != sizeof(struct in_addr) + sizeof(family))
+                                return -EIO;
+
+                        r = sd_bus_message_append_array(reply, 'y', &in_addr.in, sizeof(in_addr.in));
+                        break;
+
+                case AF_INET6:
+                        if (n != sizeof(struct in6_addr) + sizeof(family))
+                                return -EIO;
+
+                        r = sd_bus_message_append_array(reply, 'y', &in_addr.in6, sizeof(in_addr.in6));
+                        break;
+                }
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_message_close_container(reply);
+                if (r < 0)
+                        return r;
+        }
+
+        r = wait_for_terminate(child, &si);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to wait for client: %m");
+        if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client died abnormally.");
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                return r;
+
+        return sd_bus_send(bus, reply, NULL);
+}
+
+int bus_machine_method_get_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+        _cleanup_close_ int mntns_fd = -1, root_fd = -1;
+        _cleanup_close_pair_ int pair[2] = { -1, -1 };
+        _cleanup_strv_free_ char **l = NULL;
+        _cleanup_fclose_ FILE *f = NULL;
+        Machine *m = userdata;
+        char **k, **v;
+        siginfo_t si;
+        pid_t child;
+        int r;
+
+        assert(bus);
+        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 r;
+
+        if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, pair) < 0)
+                return -errno;
+
+        child = fork();
+        if (child < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
+
+        if (child == 0) {
+                _cleanup_close_ int fd = -1;
+
+                pair[0] = safe_close(pair[0]);
+
+                r = namespace_enter(-1, mntns_fd, -1, root_fd);
+                if (r < 0)
+                        _exit(EXIT_FAILURE);
+
+                fd = open("/etc/os-release", O_RDONLY|O_CLOEXEC);
+                if (fd < 0) {
+                        fd = open("/usr/lib/os-release", O_RDONLY|O_CLOEXEC);
+                        if (fd < 0)
+                                _exit(EXIT_FAILURE);
+                }
+
+                r = copy_bytes(fd, pair[1], (off_t) -1, false);
+                if (r < 0)
+                        _exit(EXIT_FAILURE);
+
+                _exit(EXIT_SUCCESS);
+        }
+
+        pair[1] = safe_close(pair[1]);
+
+        f = fdopen(pair[0], "re");
+        if (!f)
+                return -errno;
+
+        pair[0] = -1;
+
+        r = load_env_file_pairs(f, "/etc/os-release", NULL, &l);
+        if (r < 0)
+                return r;
+
+        r = wait_for_terminate(child, &si);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, r, "Failed to wait for client: %m");
+        if (si.si_code != CLD_EXITED || si.si_status != EXIT_SUCCESS)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client died abnormally.");
+
+        r = sd_bus_message_new_method_return(message, &reply);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_open_container(reply, 'a', "{ss}");
+        if (r < 0)
+                return r;
+
+        STRV_FOREACH_PAIR(k, v, l) {
+                r = sd_bus_message_append(reply, "{ss}", *k, *v);
+                if (r < 0)
+                        return r;
+        }
+
+        r = sd_bus_message_close_container(reply);
+        if (r < 0)
+                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,
+                        UID_INVALID,
+                        &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 log_oom();
+
+        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 log_oom();
+
+        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);
+}
+
+int bus_machine_method_bind_mount(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 };
+        char mount_slave[] = "/tmp/propagate.XXXXXX", *mount_tmp, *mount_outside, *p;
+        bool mount_slave_created = false, mount_slave_mounted = false,
+                mount_tmp_created = false, mount_tmp_mounted = false,
+                mount_outside_created = false, mount_outside_mounted = false;
+        const char *dest, *src;
+        Machine *m = userdata;
+        int read_only, make_directory;
+        pid_t child;
+        siginfo_t si;
+        int r;
+
+        if (m->class != MACHINE_CONTAINER)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Bind mounting is only supported on container machines.");
+
+        r = sd_bus_message_read(message, "ssbb", &src, &dest, &read_only, &make_directory);
+        if (r < 0)
+                return r;
+
+        if (!path_is_absolute(src) || !path_is_safe(src))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and not contain ../.");
+
+        if (isempty(dest))
+                dest = src;
+        else if (!path_is_absolute(dest) || !path_is_safe(dest))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and not contain ../.");
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        /* One day, when bind mounting /proc/self/fd/n works across
+         * namespace boundaries we should rework this logic to make
+         * use of it... */
+
+        p = strjoina("/run/systemd/nspawn/propagate/", m->name, "/");
+        if (laccess(p, F_OK) < 0)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Container does not allow propagation of mount points.");
+
+        /* Our goal is to install a new bind mount into the container,
+           possibly read-only. This is irritatingly complex
+           unfortunately, currently.
+
+           First, we start by creating a private playground in /tmp,
+           that we can mount MS_SLAVE. (Which is necessary, since
+           MS_MOUNT cannot be applied to mounts with MS_SHARED parent
+           mounts.) */
+
+        if (!mkdtemp(mount_slave))
+                return sd_bus_error_set_errnof(error, errno, "Failed to create playground %s: %m", mount_slave);
+
+        mount_slave_created = true;
+
+        if (mount(mount_slave, mount_slave, NULL, MS_BIND, NULL) < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to make bind mount %s: %m", mount_slave);
+                goto finish;
+        }
+
+        mount_slave_mounted = true;
+
+        if (mount(NULL, mount_slave, NULL, MS_SLAVE, NULL) < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to remount slave %s: %m", mount_slave);
+                goto finish;
+        }
+
+        /* Second, we mount the source directory to a directory inside
+           of our MS_SLAVE playground. */
+        mount_tmp = strjoina(mount_slave, "/mount");
+        if (mkdir(mount_tmp, 0700) < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to create temporary mount point %s: %m", mount_tmp);
+                goto finish;
+        }
+
+        mount_tmp_created = true;
+
+        if (mount(src, mount_tmp, NULL, MS_BIND, NULL) < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to overmount %s: %m", mount_tmp);
+                goto finish;
+        }
+
+        mount_tmp_mounted = true;
+
+        /* Third, we remount the new bind mount read-only if requested. */
+        if (read_only)
+                if (mount(NULL, mount_tmp, NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL) < 0) {
+                        r = sd_bus_error_set_errnof(error, errno, "Failed to remount read-only %s: %m", mount_tmp);
+                        goto finish;
+                }
+
+        /* Fourth, we move the new bind mount into the propagation
+         * directory. This way it will appear there read-only
+         * right-away. */
+
+        mount_outside = strjoina("/run/systemd/nspawn/propagate/", m->name, "/XXXXXX");
+        if (!mkdtemp(mount_outside)) {
+                r = sd_bus_error_set_errnof(error, errno, "Cannot create propagation directory %s: %m", mount_outside);
+                goto finish;
+        }
+
+        mount_outside_created = true;
+
+        if (mount(mount_tmp, mount_outside, NULL, MS_MOVE, NULL) < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to move %s to %s: %m", mount_tmp, mount_outside);
+                goto finish;
+        }
+
+        mount_outside_mounted = true;
+        mount_tmp_mounted = false;
+
+        (void) rmdir(mount_tmp);
+        mount_tmp_created = false;
+
+        (void) umount(mount_slave);
+        mount_slave_mounted = false;
+
+        (void) rmdir(mount_slave);
+        mount_slave_created = false;
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+                goto finish;
+        }
+
+        child = fork();
+        if (child < 0) {
+                r = sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
+                goto finish;
+        }
+
+        if (child == 0) {
+                const char *mount_inside;
+                int mntfd;
+                const char *q;
+
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                q = procfs_file_alloca(m->leader, "ns/mnt");
+                mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC);
+                if (mntfd < 0) {
+                        r = log_error_errno(errno, "Failed to open mount namespace of leader: %m");
+                        goto child_fail;
+                }
+
+                if (setns(mntfd, CLONE_NEWNS) < 0) {
+                        r = log_error_errno(errno, "Failed to join namespace of leader: %m");
+                        goto child_fail;
+                }
+
+                if (make_directory)
+                        (void) mkdir_p(dest, 0755);
+
+                /* Fifth, move the mount to the right place inside */
+                mount_inside = strjoina("/run/systemd/nspawn/incoming/", basename(mount_outside));
+                if (mount(mount_inside, dest, NULL, MS_MOVE, NULL) < 0) {
+                        r = log_error_errno(errno, "Failed to mount: %m");
+                        goto child_fail;
+                }
+
+                _exit(EXIT_SUCCESS);
+
+        child_fail:
+                (void) write(errno_pipe_fd[1], &r, sizeof(r));
+                errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+                _exit(EXIT_FAILURE);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        r = wait_for_terminate(child, &si);
+        if (r < 0) {
+                r = sd_bus_error_set_errnof(error, r, "Failed to wait for client: %m");
+                goto finish;
+        }
+        if (si.si_code != CLD_EXITED) {
+                r = sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client died abnormally.");
+                goto finish;
+        }
+        if (si.si_status != EXIT_SUCCESS) {
+
+                if (read(errno_pipe_fd[0], &r, sizeof(r)) == sizeof(r))
+                        r = sd_bus_error_set_errnof(error, r, "Failed to mount: %m");
+                else
+                        r = sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client failed.");
+                goto finish;
+        }
+
+        r = sd_bus_reply_method_return(message, NULL);
+
+finish:
+        if (mount_outside_mounted)
+                umount(mount_outside);
+        if (mount_outside_created)
+                rmdir(mount_outside);
+
+        if (mount_tmp_mounted)
+                umount(mount_tmp);
+        if (mount_tmp_created)
+                rmdir(mount_tmp);
+
+        if (mount_slave_mounted)
+                umount(mount_slave);
+        if (mount_slave_created)
+                rmdir(mount_slave);
+
+        return r;
+}
+
+static int machine_operation_done(sd_event_source *s, const siginfo_t *si, void *userdata) {
+        _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+        MachineOperation *o = userdata;
+        int r;
+
+        assert(o);
+        assert(si);
+
+        o->pid = 0;
+
+        if (si->si_code != CLD_EXITED) {
+                r = sd_bus_error_setf(&error, SD_BUS_ERROR_FAILED, "Client died abnormally.");
+                goto fail;
+        }
+
+        if (si->si_status != EXIT_SUCCESS) {
+                if (read(o->errno_fd, &r, sizeof(r)) == sizeof(r))
+                        r = sd_bus_error_set_errnof(&error, r, "%m");
+                else
+                        r = sd_bus_error_setf(&error, SD_BUS_ERROR_FAILED, "Client failed.");
+
+                goto fail;
+        }
+
+        r = sd_bus_reply_method_return(o->message, NULL);
+        if (r < 0)
+                log_error_errno(r, "Failed to reply to message: %m");
+
+        machine_operation_unref(o);
+        return 0;
+
+fail:
+        r = sd_bus_reply_method_error(o->message, &error);
+        if (r < 0)
+                log_error_errno(r, "Failed to reply to message: %m");
+
+        machine_operation_unref(o);
+        return 0;
+}
+
+int bus_machine_method_copy(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        const char *src, *dest, *host_path, *container_path, *host_basename, *host_dirname, *container_basename, *container_dirname;
+        _cleanup_close_pair_ int errno_pipe_fd[2] = { -1, -1 };
+        _cleanup_close_ int hostfd = -1;
+        Machine *m = userdata;
+        MachineOperation *o;
+        bool copy_from;
+        pid_t child;
+        char *t;
+        int r;
+
+        if (m->n_operations >= MACHINE_OPERATIONS_MAX)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Too many ongoing copies.");
+
+        if (m->class != MACHINE_CONTAINER)
+                return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Copying files is only supported on container machines.");
+
+        r = sd_bus_message_read(message, "ss", &src, &dest);
+        if (r < 0)
+                return r;
+
+        if (!path_is_absolute(src) || !path_is_safe(src))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path must be absolute and not contain ../.");
+
+        if (isempty(dest))
+                dest = src;
+        else if (!path_is_absolute(dest) || !path_is_safe(dest))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path must be absolute and not contain ../.");
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.machine1.manage-machines",
+                        false,
+                        UID_INVALID,
+                        &m->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        copy_from = strstr(sd_bus_message_get_member(message), "CopyFrom");
+
+        if (copy_from) {
+                container_path = src;
+                host_path = dest;
+        } else {
+                host_path = src;
+                container_path = dest;
+        }
+
+        host_basename = basename(host_path);
+        t = strdupa(host_path);
+        host_dirname = dirname(t);
+
+        container_basename = basename(container_path);
+        t = strdupa(container_path);
+        container_dirname = dirname(t);
+
+        hostfd = open(host_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
+        if (r < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to open host directory %s: %m", host_dirname);
+
+        if (pipe2(errno_pipe_fd, O_CLOEXEC|O_NONBLOCK) < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to create pipe: %m");
+
+        child = fork();
+        if (child < 0)
+                return sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
+
+        if (child == 0) {
+                int containerfd;
+                const char *q;
+                int mntfd;
+
+                errno_pipe_fd[0] = safe_close(errno_pipe_fd[0]);
+
+                q = procfs_file_alloca(m->leader, "ns/mnt");
+                mntfd = open(q, O_RDONLY|O_NOCTTY|O_CLOEXEC);
+                if (mntfd < 0) {
+                        r = log_error_errno(errno, "Failed to open mount namespace of leader: %m");
+                        goto child_fail;
+                }
+
+                if (setns(mntfd, CLONE_NEWNS) < 0) {
+                        r = log_error_errno(errno, "Failed to join namespace of leader: %m");
+                        goto child_fail;
+                }
+
+                containerfd = open(container_dirname, O_CLOEXEC|O_RDONLY|O_NOCTTY|O_DIRECTORY);
+                if (containerfd < 0) {
+                        r = log_error_errno(errno, "Failed top open destination directory: %m");
+                        goto child_fail;
+                }
+
+                if (copy_from)
+                        r = copy_tree_at(containerfd, container_basename, hostfd, host_basename, true);
+                else
+                        r = copy_tree_at(hostfd, host_basename, containerfd, container_basename, true);
+
+                hostfd = safe_close(hostfd);
+                containerfd = safe_close(containerfd);
+
+                if (r < 0) {
+                        r = log_error_errno(r, "Failed to copy tree: %m");
+                        goto child_fail;
+                }
+
+                _exit(EXIT_SUCCESS);
+
+        child_fail:
+                (void) write(errno_pipe_fd[1], &r, sizeof(r));
+                errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+                _exit(EXIT_FAILURE);
+        }
+
+        errno_pipe_fd[1] = safe_close(errno_pipe_fd[1]);
+
+        /* Copying might take a while, hence install a watch the
+         * child, and return */
+
+        o = new0(MachineOperation, 1);
+        if (!o)
+                return log_oom();
+
+        o->pid = child;
+        o->message = sd_bus_message_ref(message);
+        o->errno_fd = errno_pipe_fd[0];
+        errno_pipe_fd[0] = -1;
+
+        r = sd_event_add_child(m->manager->event, &o->event_source, child, WEXITED, machine_operation_done, o);
+        if (r < 0) {
+                machine_operation_unref(o);
+                return log_oom();
+        }
+
+        LIST_PREPEND(operations, m->operations, o);
+        m->n_operations++;
+        o->machine = m;
+
+        return 1;
+}
+
 const sd_bus_vtable machine_vtable[] = {
         SD_BUS_VTABLE_START(0),
-        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), 0),
-        SD_BUS_PROPERTY("Id", "ay", property_get_id, 0, 0),
-        SD_BUS_PROPERTY("Timestamp", "t", NULL, offsetof(Machine, timestamp.realtime), 0),
-        SD_BUS_PROPERTY("TimestampMonotonic", "t", NULL, offsetof(Machine, timestamp.monotonic), 0),
-        SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), 0),
-        SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, scope), 0),
-        SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader), 0),
-        SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), 0),
+        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Id", "ay", property_get_id, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Machine, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Unit", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+        SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("NetworkInterfaces", "ai", property_get_netif, 0, SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
-        SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), 0),
-        SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, 0),
-        SD_BUS_METHOD("Kill", "si", NULL, method_kill, 0),
+        SD_BUS_METHOD("Terminate", NULL, NULL, bus_machine_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Kill", "si", NULL, bus_machine_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
+        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_METHOD("BindMount", "ssbb", NULL, bus_machine_method_bind_mount, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("CopyFrom", "ss", NULL, bus_machine_method_copy, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("CopyTo", "ss", NULL, bus_machine_method_copy, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_VTABLE_END
 };
 
@@ -154,16 +993,21 @@ int machine_object_find(sd_bus *bus, const char *path, const char *interface, vo
         assert(m);
 
         if (streq(path, "/org/freedesktop/machine1/machine/self")) {
+                _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
                 sd_bus_message *message;
                 pid_t pid;
 
-                message = sd_bus_get_current(bus);
+                message = sd_bus_get_current_message(bus);
                 if (!message)
                         return 0;
 
-                r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), &pid);
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
                 if (r < 0)
-                        return 0;
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
 
                 r = manager_get_machine_by_pid(m, pid, &machine);
                 if (r <= 0)
@@ -176,7 +1020,7 @@ int machine_object_find(sd_bus *bus, const char *path, const char *interface, vo
                 if (!p)
                         return 0;
 
-                e = sd_bus_label_unescape(p);
+                e = bus_label_unescape(p);
                 if (!e)
                         return -ENOMEM;
 
@@ -194,7 +1038,7 @@ char *machine_bus_path(Machine *m) {
 
         assert(m);
 
-        e = sd_bus_label_escape(m->name);
+        e = bus_label_escape(m->name);
         if (!e)
                 return NULL;
 
@@ -219,11 +1063,9 @@ int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char
                 if (!p)
                         return -ENOMEM;
 
-                r = strv_push(&l, p);
-                if (r < 0) {
-                        free(p);
+                r = strv_consume(&l, p);
+                if (r < 0)
                         return r;
-                }
         }
 
         *nodes = l;