X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fmachine%2Fmachine-dbus.c;h=eb4b70a614288e71a5bf2245aec8ebd989da976b;hp=db379d2f8b8a6e289411b85cc061d3cb6f45ed65;hb=c7abe32be167ded048a5bb8a912faf2e745b20cb;hpb=927b1649448b812a7620ad013f4752d597b12407 diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c index db379d2f8..eb4b70a61 100644 --- a/src/machine/machine-dbus.c +++ b/src/machine/machine-dbus.c @@ -21,10 +21,22 @@ #include #include +#include +#include #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, @@ -32,8 +44,8 @@ static int property_get_id( const char *interface, const char *property, sd_bus_message *reply, - sd_bus_error *error, - void *userdata) { + void *userdata, + sd_bus_error *error) { Machine *m = userdata; int r; @@ -55,8 +67,8 @@ static int property_get_state( const char *interface, const char *property, sd_bus_message *reply, - sd_bus_error *error, - void *userdata) { + void *userdata, + sd_bus_error *error) { Machine *m = userdata; const char *state; @@ -75,9 +87,34 @@ 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) { +int bus_machine_method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Machine *m = userdata; int r; @@ -87,12 +124,12 @@ static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata r = machine_stop(m); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return sd_bus_reply_method_return(message, NULL); } -static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) { +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; @@ -105,44 +142,613 @@ static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) { r = sd_bus_message_read(message, "si", &swho, &signo); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; if (isempty(swho)) who = KILL_ALL; else { who = kill_who_from_string(swho); if (who < 0) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); } if (signo <= 0 || signo >= _NSIG) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); r = machine_kill(m, who, signo); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + 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, + &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 ../."); + + /* 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; } 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_CAPABILITY(CAP_KILL)), + 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_METHOD("BindMount", "ssbb", NULL, bus_machine_method_bind_mount, 0), SD_BUS_VTABLE_END }; -int machine_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) { +int machine_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { Manager *m = userdata; Machine *machine; int r; @@ -154,16 +760,21 @@ 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 +787,7 @@ int machine_object_find(sd_bus *bus, const char *path, const char *interface, vo if (!p) return 0; - e = bus_path_unescape(p); + e = bus_label_unescape(p); if (!e) return -ENOMEM; @@ -194,14 +805,14 @@ char *machine_bus_path(Machine *m) { assert(m); - e = bus_path_escape(m->name); + e = bus_label_escape(m->name); if (!e) return NULL; return strappend("/org/freedesktop/machine1/machine/", e); } -int machine_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) { +int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { _cleanup_strv_free_ char **l = NULL; Machine *machine = NULL; Manager *m = userdata; @@ -219,11 +830,9 @@ int machine_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void * 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; @@ -262,7 +871,7 @@ int machine_send_create_reply(Machine *m, sd_bus_error *error) { m->create_message = NULL; if (error) - return sd_bus_reply_method_error(m->manager->bus, c, error); + return sd_bus_reply_method_error(c, error); /* Update the machine state file before we notify the client * about the result. */ @@ -272,5 +881,5 @@ int machine_send_create_reply(Machine *m, sd_bus_error *error) { if (!p) return -ENOMEM; - return sd_bus_reply_method_return(m->manager->bus, c, "o", p); + return sd_bus_reply_method_return(c, "o", p); }