#include <errno.h>
#include <string.h>
-#include <sys/capability.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 "fileio.h"
#include "in-addr-util.h"
#include "local-addresses.h"
-#include "image.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,
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;
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;
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);
+ return r;
p = procfs_file_alloca(m->leader, "ns/net");
r = readlink_malloc(p, &them);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ 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 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 sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
if (child == 0) {
_cleanup_free_ struct local_address *addresses = NULL;
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', "(iay)");
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
for (;;) {
int family;
n = recvmsg(pair[0], &mh, 0);
if (n < 0)
- return sd_bus_error_set_errno(error, -errno);
+ return -errno;
if ((size_t) n < sizeof(family))
break;
r = sd_bus_message_open_container(reply, 'r', "iay");
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
r = sd_bus_message_append(reply, "i", family);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ return r;
switch (family) {
case AF_INET:
if (n != sizeof(struct in_addr) + sizeof(family))
- return sd_bus_error_set_errno(error, EIO);
+ 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 sd_bus_error_set_errno(error, EIO);
+ return -EIO;
r = sd_bus_message_append_array(reply, 'y', &in_addr.in6, sizeof(in_addr.in6));
break;
}
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;
}
r = wait_for_terminate(child, &si);
if (r < 0)
- return sd_bus_error_set_errno(error, r);
+ 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_set_errno(error, EIO);
+ return sd_bus_error_setf(error, SD_BUS_ERROR_FAILED, "Client died abnormally.");
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);
}
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 sd_bus_error_set_errnof(error, errno, "Failed to fork(): %m");
if (child == 0) {
_cleanup_close_ int fd = -1;
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 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_set_errno(error, EIO);
+ 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 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,
+ 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), 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_METHOD("Terminate", NULL, NULL, bus_machine_method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
- SD_BUS_METHOD("Kill", "si", NULL, bus_machine_method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ 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
};
}
int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
- _cleanup_(image_hashmap_freep) Hashmap *images = NULL;
_cleanup_strv_free_ char **l = NULL;
Machine *machine = NULL;
Manager *m = userdata;
- Image *image;
Iterator i;
int r;
return r;
}
- images = hashmap_new(&string_hash_ops);
- if (!images)
- return -ENOMEM;
-
- r = image_discover(images);
- if (r < 0)
- return r;
-
- HASHMAP_FOREACH(image, images, i) {
- char *p;
-
- p = image_bus_path(image->name);
- if (!p)
- return -ENOMEM;
-
- r = strv_consume(&l, p);
- if (r < 0)
- return r;
- }
-
*nodes = l;
l = NULL;
~ianmdlvl / elogind.git / blobdiff