1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
8 #include "alloc-util.h"
9 #include "bus-common-errors.h"
10 #include "bus-get-properties.h"
11 #include "bus-log-control-api.h"
12 #include "bus-polkit.h"
17 #include "hostname-util.h"
18 #include "import-util.h"
19 #include "machine-pool.h"
20 #include "main-func.h"
21 #include "missing_capability.h"
23 #include "parse-util.h"
24 #include "path-util.h"
25 #include "process-util.h"
26 #include "service-util.h"
27 #include "signal-util.h"
28 #include "socket-util.h"
29 #include "stat-util.h"
30 #include "string-table.h"
32 #include "syslog-util.h"
33 #include "user-util.h"
37 typedef struct Transfer Transfer
;
38 typedef struct Manager Manager
;
40 typedef enum TransferType
{
49 _TRANSFER_TYPE_INVALID
= -1,
72 char log_message
[LINE_MAX
];
73 size_t log_message_size
;
75 sd_event_source
*pid_event_source
;
76 sd_event_source
*log_event_source
;
79 unsigned progress_percent
;
89 uint32_t current_transfer_id
;
92 Hashmap
*polkit_registry
;
96 sd_event_source
*notify_event_source
;
99 #define TRANSFERS_MAX 64
101 static const char* const transfer_type_table
[_TRANSFER_TYPE_MAX
] = {
102 [TRANSFER_IMPORT_TAR
] = "import-tar",
103 [TRANSFER_IMPORT_RAW
] = "import-raw",
104 [TRANSFER_IMPORT_FS
] = "import-fs",
105 [TRANSFER_EXPORT_TAR
] = "export-tar",
106 [TRANSFER_EXPORT_RAW
] = "export-raw",
107 [TRANSFER_PULL_TAR
] = "pull-tar",
108 [TRANSFER_PULL_RAW
] = "pull-raw",
111 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type
, TransferType
);
113 static Transfer
*transfer_unref(Transfer
*t
) {
118 hashmap_remove(t
->manager
->transfers
, UINT32_TO_PTR(t
->id
));
120 sd_event_source_unref(t
->pid_event_source
);
121 sd_event_source_unref(t
->log_event_source
);
126 free(t
->object_path
);
129 (void) kill_and_sigcont(t
->pid
, SIGKILL
);
130 (void) wait_for_terminate(t
->pid
, NULL
);
133 safe_close(t
->log_fd
);
134 safe_close(t
->stdin_fd
);
135 safe_close(t
->stdout_fd
);
140 DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer
*, transfer_unref
);
142 static int transfer_new(Manager
*m
, Transfer
**ret
) {
143 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
150 if (hashmap_size(m
->transfers
) >= TRANSFERS_MAX
)
153 t
= new(Transfer
, 1);
158 .type
= _TRANSFER_TYPE_INVALID
,
162 .verify
= _IMPORT_VERIFY_INVALID
,
163 .progress_percent
= (unsigned) -1,
166 id
= m
->current_transfer_id
+ 1;
168 if (asprintf(&t
->object_path
, "/org/freedesktop/import1/transfer/_%" PRIu32
, id
) < 0)
171 r
= hashmap_ensure_put(&m
->transfers
, &trivial_hash_ops
, UINT32_TO_PTR(id
), t
);
175 m
->current_transfer_id
= id
;
185 static double transfer_percent_as_double(Transfer
*t
) {
188 if (t
->progress_percent
== (unsigned) -1)
191 return (double) t
->progress_percent
/ 100.0;
194 static void transfer_send_log_line(Transfer
*t
, const char *line
) {
195 int r
, priority
= LOG_INFO
;
200 syslog_parse_priority(&line
, &priority
, true);
202 log_full(priority
, "(transfer%" PRIu32
") %s", t
->id
, line
);
204 r
= sd_bus_emit_signal(
207 "org.freedesktop.import1.Transfer",
213 log_warning_errno(r
, "Cannot emit log message signal, ignoring: %m");
216 static void transfer_send_logs(Transfer
*t
, bool flush
) {
219 /* Try to send out all log messages, if we can. But if we
220 * can't we remove the messages from the buffer, but don't
223 while (t
->log_message_size
> 0) {
224 _cleanup_free_
char *n
= NULL
;
227 if (t
->log_message_size
>= sizeof(t
->log_message
))
228 e
= t
->log_message
+ sizeof(t
->log_message
);
232 a
= memchr(t
->log_message
, 0, t
->log_message_size
);
233 b
= memchr(t
->log_message
, '\n', t
->log_message_size
);
247 e
= t
->log_message
+ t
->log_message_size
;
250 n
= strndup(t
->log_message
, e
- t
->log_message
);
252 /* Skip over NUL and newlines */
253 while (e
< t
->log_message
+ t
->log_message_size
&& IN_SET(*e
, 0, '\n'))
256 memmove(t
->log_message
, e
, t
->log_message
+ sizeof(t
->log_message
) - e
);
257 t
->log_message_size
-= e
- t
->log_message
;
267 transfer_send_log_line(t
, n
);
271 static int transfer_finalize(Transfer
*t
, bool success
) {
276 transfer_send_logs(t
, true);
278 r
= sd_bus_emit_signal(
280 "/org/freedesktop/import1",
281 "org.freedesktop.import1.Manager",
287 t
->n_canceled
> 0 ? "canceled" : "failed");
290 log_error_errno(r
, "Cannot emit message: %m");
296 static int transfer_cancel(Transfer
*t
) {
301 r
= kill_and_sigcont(t
->pid
, t
->n_canceled
< 3 ? SIGTERM
: SIGKILL
);
309 static int transfer_on_pid(sd_event_source
*s
, const siginfo_t
*si
, void *userdata
) {
310 Transfer
*t
= userdata
;
311 bool success
= false;
316 if (si
->si_code
== CLD_EXITED
) {
317 if (si
->si_status
!= 0)
318 log_error("Transfer process failed with exit code %i.", si
->si_status
);
320 log_debug("Transfer process succeeded.");
324 } else if (IN_SET(si
->si_code
, CLD_KILLED
, CLD_DUMPED
))
325 log_error("Transfer process terminated by signal %s.", signal_to_string(si
->si_status
));
327 log_error("Transfer process failed due to unknown reason.");
331 return transfer_finalize(t
, success
);
334 static int transfer_on_log(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
335 Transfer
*t
= userdata
;
341 l
= read(fd
, t
->log_message
+ t
->log_message_size
, sizeof(t
->log_message
) - t
->log_message_size
);
343 log_error_errno(errno
, "Failed to read log message: %m");
345 /* EOF/read error. We just close the pipe here, and
346 * close the watch, waiting for the SIGCHLD to arrive,
347 * before we do anything else. */
348 t
->log_event_source
= sd_event_source_unref(t
->log_event_source
);
352 t
->log_message_size
+= l
;
354 transfer_send_logs(t
, false);
359 static int transfer_start(Transfer
*t
) {
360 _cleanup_close_pair_
int pipefd
[2] = { -1, -1 };
366 if (pipe2(pipefd
, O_CLOEXEC
) < 0)
369 r
= safe_fork("(sd-transfer)", FORK_RESET_SIGNALS
|FORK_DEATHSIG
, &t
->pid
);
373 const char *cmd
[] = {
374 NULL
, /* systemd-import, systemd-import-fs, systemd-export or systemd-pull */
376 NULL
, /* --verify= */
377 NULL
, /* verify argument */
378 NULL
, /* maybe --force */
379 NULL
, /* maybe --read-only */
380 NULL
, /* if so: the actual URL */
381 NULL
, /* maybe --format= */
382 NULL
, /* if so: the actual format */
391 pipefd
[0] = safe_close(pipefd
[0]);
393 r
= rearrange_stdio(t
->stdin_fd
,
394 t
->stdout_fd
< 0 ? pipefd
[1] : t
->stdout_fd
,
397 log_error_errno(r
, "Failed to set stdin/stdout/stderr: %m");
401 if (setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1) < 0 ||
402 setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1) < 0) {
403 log_error_errno(errno
, "setenv() failed: %m");
407 r
= setenv_systemd_exec_pid(true);
409 log_warning_errno(r
, "Failed to update $SYSTEMD_EXEC_PID, ignoring: %m");
413 case TRANSFER_IMPORT_TAR
:
414 case TRANSFER_IMPORT_RAW
:
415 cmd
[k
++] = SYSTEMD_IMPORT_PATH
;
418 case TRANSFER_IMPORT_FS
:
419 cmd
[k
++] = SYSTEMD_IMPORT_FS_PATH
;
422 case TRANSFER_EXPORT_TAR
:
423 case TRANSFER_EXPORT_RAW
:
424 cmd
[k
++] = SYSTEMD_EXPORT_PATH
;
427 case TRANSFER_PULL_TAR
:
428 case TRANSFER_PULL_RAW
:
429 cmd
[k
++] = SYSTEMD_PULL_PATH
;
433 assert_not_reached("Unexpected transfer type");
438 case TRANSFER_IMPORT_TAR
:
439 case TRANSFER_EXPORT_TAR
:
440 case TRANSFER_PULL_TAR
:
444 case TRANSFER_IMPORT_RAW
:
445 case TRANSFER_EXPORT_RAW
:
446 case TRANSFER_PULL_RAW
:
450 case TRANSFER_IMPORT_FS
:
458 if (t
->verify
!= _IMPORT_VERIFY_INVALID
) {
459 cmd
[k
++] = "--verify";
460 cmd
[k
++] = import_verify_to_string(t
->verify
);
464 cmd
[k
++] = "--force";
466 cmd
[k
++] = "--read-only";
469 cmd
[k
++] = "--format";
470 cmd
[k
++] = t
->format
;
473 if (!IN_SET(t
->type
, TRANSFER_EXPORT_TAR
, TRANSFER_EXPORT_RAW
)) {
475 cmd
[k
++] = t
->remote
;
484 execv(cmd
[0], (char * const *) cmd
);
485 log_error_errno(errno
, "Failed to execute %s tool: %m", cmd
[0]);
489 pipefd
[1] = safe_close(pipefd
[1]);
490 t
->log_fd
= TAKE_FD(pipefd
[0]);
492 t
->stdin_fd
= safe_close(t
->stdin_fd
);
494 r
= sd_event_add_child(t
->manager
->event
, &t
->pid_event_source
,
495 t
->pid
, WEXITED
, transfer_on_pid
, t
);
499 r
= sd_event_add_io(t
->manager
->event
, &t
->log_event_source
,
500 t
->log_fd
, EPOLLIN
, transfer_on_log
, t
);
504 /* Make sure always process logging before SIGCHLD */
505 r
= sd_event_source_set_priority(t
->log_event_source
, SD_EVENT_PRIORITY_NORMAL
-5);
509 r
= sd_bus_emit_signal(
511 "/org/freedesktop/import1",
512 "org.freedesktop.import1.Manager",
523 static Manager
*manager_unref(Manager
*m
) {
529 sd_event_source_unref(m
->notify_event_source
);
530 safe_close(m
->notify_fd
);
532 while ((t
= hashmap_first(m
->transfers
)))
535 hashmap_free(m
->transfers
);
537 bus_verify_polkit_async_registry_free(m
->polkit_registry
);
539 m
->bus
= sd_bus_flush_close_unref(m
->bus
);
540 sd_event_unref(m
->event
);
545 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager
*, manager_unref
);
547 static int manager_on_notify(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
549 char buf
[NOTIFY_BUFFER_MAX
+1];
550 struct iovec iovec
= {
552 .iov_len
= sizeof(buf
)-1,
554 CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred
)) +
555 CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX
)) control
;
556 struct msghdr msghdr
= {
559 .msg_control
= &control
,
560 .msg_controllen
= sizeof(control
),
563 Manager
*m
= userdata
;
569 n
= recvmsg_safe(fd
, &msghdr
, MSG_DONTWAIT
|MSG_CMSG_CLOEXEC
);
570 if (IN_SET(n
, -EAGAIN
, -EINTR
))
575 cmsg_close_all(&msghdr
);
577 if (msghdr
.msg_flags
& MSG_TRUNC
) {
578 log_warning("Got overly long notification datagram, ignoring.");
582 ucred
= CMSG_FIND_DATA(&msghdr
, SOL_SOCKET
, SCM_CREDENTIALS
, struct ucred
);
583 if (!ucred
|| ucred
->pid
<= 0) {
584 log_warning("Got notification datagram lacking credential information, ignoring.");
588 HASHMAP_FOREACH(t
, m
->transfers
)
589 if (ucred
->pid
== t
->pid
)
593 log_warning("Got notification datagram from unexpected peer, ignoring.");
599 p
= startswith(buf
, "X_IMPORT_PROGRESS=");
601 p
= strstr(buf
, "\nX_IMPORT_PROGRESS=");
608 e
= strchrnul(p
, '\n');
611 r
= parse_percent(p
);
613 log_warning("Got invalid percent value, ignoring.");
617 t
->progress_percent
= (unsigned) r
;
619 log_debug("Got percentage from client: %u%%", t
->progress_percent
);
623 static int manager_new(Manager
**ret
) {
624 _cleanup_(manager_unrefp
) Manager
*m
= NULL
;
625 static const union sockaddr_union sa
= {
626 .un
.sun_family
= AF_UNIX
,
627 .un
.sun_path
= "/run/systemd/import/notify",
633 m
= new0(Manager
, 1);
637 r
= sd_event_default(&m
->event
);
641 sd_event_set_watchdog(m
->event
, true);
643 r
= sd_bus_default_system(&m
->bus
);
647 m
->notify_fd
= socket(AF_UNIX
, SOCK_DGRAM
|SOCK_CLOEXEC
|SOCK_NONBLOCK
, 0);
648 if (m
->notify_fd
< 0)
651 (void) mkdir_parents_label(sa
.un
.sun_path
, 0755);
652 (void) sockaddr_un_unlink(&sa
.un
);
654 if (bind(m
->notify_fd
, &sa
.sa
, SOCKADDR_UN_LEN(sa
.un
)) < 0)
657 r
= setsockopt_int(m
->notify_fd
, SOL_SOCKET
, SO_PASSCRED
, true);
661 r
= sd_event_add_io(m
->event
, &m
->notify_event_source
,
662 m
->notify_fd
, EPOLLIN
, manager_on_notify
, m
);
671 static Transfer
*manager_find(Manager
*m
, TransferType type
, const char *remote
) {
676 assert(type
< _TRANSFER_TYPE_MAX
);
678 HASHMAP_FOREACH(t
, m
->transfers
)
679 if (t
->type
== type
&& streq_ptr(t
->remote
, remote
))
685 static int method_import_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
686 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
687 int fd
, force
, read_only
, r
;
688 const char *local
, *object
;
689 Manager
*m
= userdata
;
697 r
= bus_verify_polkit_async(
700 "org.freedesktop.import1.import",
709 return 1; /* Will call us back */
711 r
= sd_bus_message_read(msg
, "hsbb", &fd
, &local
, &force
, &read_only
);
715 if (fstat(fd
, &st
) < 0)
718 if (!S_ISREG(st
.st_mode
) && !S_ISFIFO(st
.st_mode
))
721 if (!hostname_is_valid(local
, 0))
722 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
723 "Local name %s is invalid", local
);
725 r
= setup_machine_directory(error
);
729 type
= streq_ptr(sd_bus_message_get_member(msg
), "ImportTar") ?
730 TRANSFER_IMPORT_TAR
: TRANSFER_IMPORT_RAW
;
732 r
= transfer_new(m
, &t
);
737 t
->force_local
= force
;
738 t
->read_only
= read_only
;
740 t
->local
= strdup(local
);
744 t
->stdin_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
748 r
= transfer_start(t
);
752 object
= t
->object_path
;
756 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
759 static int method_import_fs(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
760 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
761 int fd
, force
, read_only
, r
;
762 const char *local
, *object
;
763 Manager
*m
= userdata
;
769 r
= bus_verify_polkit_async(
772 "org.freedesktop.import1.import",
781 return 1; /* Will call us back */
783 r
= sd_bus_message_read(msg
, "hsbb", &fd
, &local
, &force
, &read_only
);
787 r
= fd_verify_directory(fd
);
791 if (!hostname_is_valid(local
, 0))
792 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
793 "Local name %s is invalid", local
);
795 r
= setup_machine_directory(error
);
799 r
= transfer_new(m
, &t
);
803 t
->type
= TRANSFER_IMPORT_FS
;
804 t
->force_local
= force
;
805 t
->read_only
= read_only
;
807 t
->local
= strdup(local
);
811 t
->stdin_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
815 r
= transfer_start(t
);
819 object
= t
->object_path
;
823 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
826 static int method_export_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
827 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
829 const char *local
, *object
, *format
;
830 Manager
*m
= userdata
;
838 r
= bus_verify_polkit_async(
841 "org.freedesktop.import1.export",
850 return 1; /* Will call us back */
852 r
= sd_bus_message_read(msg
, "shs", &local
, &fd
, &format
);
856 if (!hostname_is_valid(local
, 0))
857 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
858 "Local name %s is invalid", local
);
860 if (fstat(fd
, &st
) < 0)
863 if (!S_ISREG(st
.st_mode
) && !S_ISFIFO(st
.st_mode
))
866 type
= streq_ptr(sd_bus_message_get_member(msg
), "ExportTar") ?
867 TRANSFER_EXPORT_TAR
: TRANSFER_EXPORT_RAW
;
869 r
= transfer_new(m
, &t
);
875 if (!isempty(format
)) {
876 t
->format
= strdup(format
);
881 t
->local
= strdup(local
);
885 t
->stdout_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
886 if (t
->stdout_fd
< 0)
889 r
= transfer_start(t
);
893 object
= t
->object_path
;
897 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
900 static int method_pull_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
901 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
902 const char *remote
, *local
, *verify
, *object
;
903 Manager
*m
= userdata
;
912 r
= bus_verify_polkit_async(
915 "org.freedesktop.import1.pull",
924 return 1; /* Will call us back */
926 r
= sd_bus_message_read(msg
, "sssb", &remote
, &local
, &verify
, &force
);
930 if (!http_url_is_valid(remote
))
931 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
932 "URL %s is invalid", remote
);
936 else if (!hostname_is_valid(local
, 0))
937 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
938 "Local name %s is invalid", local
);
941 v
= IMPORT_VERIFY_SIGNATURE
;
943 v
= import_verify_from_string(verify
);
945 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
946 "Unknown verification mode %s", verify
);
948 r
= setup_machine_directory(error
);
952 type
= streq_ptr(sd_bus_message_get_member(msg
), "PullTar") ?
953 TRANSFER_PULL_TAR
: TRANSFER_PULL_RAW
;
955 if (manager_find(m
, type
, remote
))
956 return sd_bus_error_setf(error
, BUS_ERROR_TRANSFER_IN_PROGRESS
,
957 "Transfer for %s already in progress.", remote
);
959 r
= transfer_new(m
, &t
);
965 t
->force_local
= force
;
967 t
->remote
= strdup(remote
);
972 t
->local
= strdup(local
);
977 r
= transfer_start(t
);
981 object
= t
->object_path
;
985 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
988 static int method_list_transfers(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
989 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
990 Manager
*m
= userdata
;
997 r
= sd_bus_message_new_method_return(msg
, &reply
);
1001 r
= sd_bus_message_open_container(reply
, 'a', "(usssdo)");
1005 HASHMAP_FOREACH(t
, m
->transfers
) {
1007 r
= sd_bus_message_append(
1011 transfer_type_to_string(t
->type
),
1014 transfer_percent_as_double(t
),
1020 r
= sd_bus_message_close_container(reply
);
1024 return sd_bus_send(NULL
, reply
, NULL
);
1027 static int method_cancel(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
1028 Transfer
*t
= userdata
;
1034 r
= bus_verify_polkit_async(
1037 "org.freedesktop.import1.pull",
1041 &t
->manager
->polkit_registry
,
1046 return 1; /* Will call us back */
1048 r
= transfer_cancel(t
);
1052 return sd_bus_reply_method_return(msg
, NULL
);
1055 static int method_cancel_transfer(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
1056 Manager
*m
= userdata
;
1064 r
= bus_verify_polkit_async(
1067 "org.freedesktop.import1.pull",
1071 &m
->polkit_registry
,
1076 return 1; /* Will call us back */
1078 r
= sd_bus_message_read(msg
, "u", &id
);
1082 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid transfer id");
1084 t
= hashmap_get(m
->transfers
, UINT32_TO_PTR(id
));
1086 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_TRANSFER
, "No transfer by id %" PRIu32
, id
);
1088 r
= transfer_cancel(t
);
1092 return sd_bus_reply_method_return(msg
, NULL
);
1095 static int property_get_progress(
1098 const char *interface
,
1099 const char *property
,
1100 sd_bus_message
*reply
,
1102 sd_bus_error
*error
) {
1104 Transfer
*t
= userdata
;
1110 return sd_bus_message_append(reply
, "d", transfer_percent_as_double(t
));
1113 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type
, transfer_type
, TransferType
);
1114 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify
, import_verify
, ImportVerify
);
1116 static int transfer_object_find(
1119 const char *interface
,
1122 sd_bus_error
*error
) {
1124 Manager
*m
= userdata
;
1136 p
= startswith(path
, "/org/freedesktop/import1/transfer/_");
1140 r
= safe_atou32(p
, &id
);
1141 if (r
< 0 || id
== 0)
1144 t
= hashmap_get(m
->transfers
, UINT32_TO_PTR(id
));
1152 static int transfer_node_enumerator(
1157 sd_bus_error
*error
) {
1159 _cleanup_strv_free_
char **l
= NULL
;
1160 Manager
*m
= userdata
;
1164 l
= new0(char*, hashmap_size(m
->transfers
) + 1);
1168 HASHMAP_FOREACH(t
, m
->transfers
) {
1170 l
[k
] = strdup(t
->object_path
);
1177 *nodes
= TAKE_PTR(l
);
1182 static const sd_bus_vtable transfer_vtable
[] = {
1183 SD_BUS_VTABLE_START(0),
1185 SD_BUS_PROPERTY("Id", "u", NULL
, offsetof(Transfer
, id
), SD_BUS_VTABLE_PROPERTY_CONST
),
1186 SD_BUS_PROPERTY("Local", "s", NULL
, offsetof(Transfer
, local
), SD_BUS_VTABLE_PROPERTY_CONST
),
1187 SD_BUS_PROPERTY("Remote", "s", NULL
, offsetof(Transfer
, remote
), SD_BUS_VTABLE_PROPERTY_CONST
),
1188 SD_BUS_PROPERTY("Type", "s", property_get_type
, offsetof(Transfer
, type
), SD_BUS_VTABLE_PROPERTY_CONST
),
1189 SD_BUS_PROPERTY("Verify", "s", property_get_verify
, offsetof(Transfer
, verify
), SD_BUS_VTABLE_PROPERTY_CONST
),
1190 SD_BUS_PROPERTY("Progress", "d", property_get_progress
, 0, 0),
1192 SD_BUS_METHOD("Cancel", NULL
, NULL
, method_cancel
, SD_BUS_VTABLE_UNPRIVILEGED
),
1194 SD_BUS_SIGNAL_WITH_NAMES("LogMessage",
1196 SD_BUS_PARAM(priority
)
1203 static const BusObjectImplementation transfer_object
= {
1204 "/org/freedesktop/import1/transfer",
1205 "org.freedesktop.import1.Transfer",
1206 .fallback_vtables
= BUS_FALLBACK_VTABLES({transfer_vtable
, transfer_object_find
}),
1207 .node_enumerator
= transfer_node_enumerator
,
1210 static const sd_bus_vtable manager_vtable
[] = {
1211 SD_BUS_VTABLE_START(0),
1213 SD_BUS_METHOD_WITH_NAMES("ImportTar",
1216 SD_BUS_PARAM(local_name
)
1218 SD_BUS_PARAM(read_only
),
1220 SD_BUS_PARAM(transfer_id
)
1221 SD_BUS_PARAM(transfer_path
),
1222 method_import_tar_or_raw
,
1223 SD_BUS_VTABLE_UNPRIVILEGED
),
1224 SD_BUS_METHOD_WITH_NAMES("ImportRaw",
1227 SD_BUS_PARAM(local_name
)
1229 SD_BUS_PARAM(read_only
),
1231 SD_BUS_PARAM(transfer_id
)
1232 SD_BUS_PARAM(transfer_path
),
1233 method_import_tar_or_raw
,
1234 SD_BUS_VTABLE_UNPRIVILEGED
),
1235 SD_BUS_METHOD_WITH_NAMES("ImportFileSystem",
1238 SD_BUS_PARAM(local_name
)
1240 SD_BUS_PARAM(read_only
),
1242 SD_BUS_PARAM(transfer_id
)
1243 SD_BUS_PARAM(transfer_path
),
1245 SD_BUS_VTABLE_UNPRIVILEGED
),
1246 SD_BUS_METHOD_WITH_NAMES("ExportTar",
1248 SD_BUS_PARAM(local_name
)
1250 SD_BUS_PARAM(format
),
1252 SD_BUS_PARAM(transfer_id
)
1253 SD_BUS_PARAM(transfer_path
),
1254 method_export_tar_or_raw
,
1255 SD_BUS_VTABLE_UNPRIVILEGED
),
1256 SD_BUS_METHOD_WITH_NAMES("ExportRaw",
1258 SD_BUS_PARAM(local_name
)
1260 SD_BUS_PARAM(format
),
1262 SD_BUS_PARAM(transfer_id
)
1263 SD_BUS_PARAM(transfer_path
),
1264 method_export_tar_or_raw
,
1265 SD_BUS_VTABLE_UNPRIVILEGED
),
1266 SD_BUS_METHOD_WITH_NAMES("PullTar",
1269 SD_BUS_PARAM(local_name
)
1270 SD_BUS_PARAM(verify_mode
)
1271 SD_BUS_PARAM(force
),
1273 SD_BUS_PARAM(transfer_id
)
1274 SD_BUS_PARAM(transfer_path
),
1275 method_pull_tar_or_raw
,
1276 SD_BUS_VTABLE_UNPRIVILEGED
),
1277 SD_BUS_METHOD_WITH_NAMES("PullRaw",
1280 SD_BUS_PARAM(local_name
)
1281 SD_BUS_PARAM(verify_mode
)
1282 SD_BUS_PARAM(force
),
1284 SD_BUS_PARAM(transfer_id
)
1285 SD_BUS_PARAM(transfer_path
),
1286 method_pull_tar_or_raw
,
1287 SD_BUS_VTABLE_UNPRIVILEGED
),
1288 SD_BUS_METHOD_WITH_NAMES("ListTransfers",
1291 SD_BUS_PARAM(transfers
),
1292 method_list_transfers
,
1293 SD_BUS_VTABLE_UNPRIVILEGED
),
1294 SD_BUS_METHOD_WITH_NAMES("CancelTransfer",
1296 SD_BUS_PARAM(transfer_id
),
1298 method_cancel_transfer
,
1299 SD_BUS_VTABLE_UNPRIVILEGED
),
1301 SD_BUS_SIGNAL_WITH_NAMES("TransferNew",
1303 SD_BUS_PARAM(transfer_id
)
1304 SD_BUS_PARAM(transfer_path
),
1306 SD_BUS_SIGNAL_WITH_NAMES("TransferRemoved",
1308 SD_BUS_PARAM(transfer_id
)
1309 SD_BUS_PARAM(transfer_path
)
1310 SD_BUS_PARAM(result
),
1316 static const BusObjectImplementation manager_object
= {
1317 "/org/freedesktop/import1",
1318 "org.freedesktop.import1.Manager",
1319 .vtables
= BUS_VTABLES(manager_vtable
),
1320 .children
= BUS_IMPLEMENTATIONS(&transfer_object
),
1323 static int manager_add_bus_objects(Manager
*m
) {
1328 r
= bus_add_implementation(m
->bus
, &manager_object
, m
);
1332 r
= bus_log_control_api_register(m
->bus
);
1336 r
= sd_bus_request_name_async(m
->bus
, NULL
, "org.freedesktop.import1", 0, NULL
, NULL
);
1338 return log_error_errno(r
, "Failed to request name: %m");
1340 r
= sd_bus_attach_event(m
->bus
, m
->event
, 0);
1342 return log_error_errno(r
, "Failed to attach bus to event loop: %m");
1347 static bool manager_check_idle(void *userdata
) {
1348 Manager
*m
= userdata
;
1350 return hashmap_isempty(m
->transfers
);
1353 static int manager_run(Manager
*m
) {
1356 return bus_event_loop_with_idle(
1359 "org.freedesktop.import1",
1365 static int run(int argc
, char *argv
[]) {
1366 _cleanup_(manager_unrefp
) Manager
*m
= NULL
;
1371 r
= service_parse_argv("systemd-importd.service",
1372 "VM and container image import and export service.",
1373 BUS_IMPLEMENTATIONS(&manager_object
,
1374 &log_control_object
),
1381 assert_se(sigprocmask_many(SIG_BLOCK
, NULL
, SIGCHLD
, -1) >= 0);
1383 r
= manager_new(&m
);
1385 return log_error_errno(r
, "Failed to allocate manager object: %m");
1387 r
= manager_add_bus_objects(m
);
1393 return log_error_errno(r
, "Failed to run event loop: %m");
1398 DEFINE_MAIN_FUNCTION(run
);