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 "percent-util.h"
26 #include "process-util.h"
27 #include "service-util.h"
28 #include "signal-util.h"
29 #include "socket-util.h"
30 #include "stat-util.h"
31 #include "string-table.h"
33 #include "syslog-util.h"
34 #include "user-util.h"
38 typedef struct Transfer Transfer
;
39 typedef struct Manager Manager
;
41 typedef enum TransferType
{
50 _TRANSFER_TYPE_INVALID
= -EINVAL
,
73 char log_message
[LINE_MAX
];
74 size_t log_message_size
;
76 sd_event_source
*pid_event_source
;
77 sd_event_source
*log_event_source
;
80 unsigned progress_percent
;
90 uint32_t current_transfer_id
;
93 Hashmap
*polkit_registry
;
97 sd_event_source
*notify_event_source
;
100 #define TRANSFERS_MAX 64
102 static const char* const transfer_type_table
[_TRANSFER_TYPE_MAX
] = {
103 [TRANSFER_IMPORT_TAR
] = "import-tar",
104 [TRANSFER_IMPORT_RAW
] = "import-raw",
105 [TRANSFER_IMPORT_FS
] = "import-fs",
106 [TRANSFER_EXPORT_TAR
] = "export-tar",
107 [TRANSFER_EXPORT_RAW
] = "export-raw",
108 [TRANSFER_PULL_TAR
] = "pull-tar",
109 [TRANSFER_PULL_RAW
] = "pull-raw",
112 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type
, TransferType
);
114 static Transfer
*transfer_unref(Transfer
*t
) {
119 hashmap_remove(t
->manager
->transfers
, UINT32_TO_PTR(t
->id
));
121 sd_event_source_unref(t
->pid_event_source
);
122 sd_event_source_unref(t
->log_event_source
);
127 free(t
->object_path
);
130 (void) kill_and_sigcont(t
->pid
, SIGKILL
);
131 (void) wait_for_terminate(t
->pid
, NULL
);
134 safe_close(t
->log_fd
);
135 safe_close(t
->stdin_fd
);
136 safe_close(t
->stdout_fd
);
141 DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer
*, transfer_unref
);
143 static int transfer_new(Manager
*m
, Transfer
**ret
) {
144 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
151 if (hashmap_size(m
->transfers
) >= TRANSFERS_MAX
)
154 t
= new(Transfer
, 1);
159 .type
= _TRANSFER_TYPE_INVALID
,
163 .verify
= _IMPORT_VERIFY_INVALID
,
164 .progress_percent
= UINT_MAX
,
167 id
= m
->current_transfer_id
+ 1;
169 if (asprintf(&t
->object_path
, "/org/freedesktop/import1/transfer/_%" PRIu32
, id
) < 0)
172 r
= hashmap_ensure_put(&m
->transfers
, &trivial_hash_ops
, UINT32_TO_PTR(id
), t
);
176 m
->current_transfer_id
= id
;
186 static double transfer_percent_as_double(Transfer
*t
) {
189 if (t
->progress_percent
== UINT_MAX
)
192 return (double) t
->progress_percent
/ 100.0;
195 static void transfer_send_log_line(Transfer
*t
, const char *line
) {
196 int r
, priority
= LOG_INFO
;
201 syslog_parse_priority(&line
, &priority
, true);
203 log_full(priority
, "(transfer%" PRIu32
") %s", t
->id
, line
);
205 r
= sd_bus_emit_signal(
208 "org.freedesktop.import1.Transfer",
214 log_warning_errno(r
, "Cannot emit log message signal, ignoring: %m");
217 static void transfer_send_logs(Transfer
*t
, bool flush
) {
220 /* Try to send out all log messages, if we can. But if we
221 * can't we remove the messages from the buffer, but don't
224 while (t
->log_message_size
> 0) {
225 _cleanup_free_
char *n
= NULL
;
228 if (t
->log_message_size
>= sizeof(t
->log_message
))
229 e
= t
->log_message
+ sizeof(t
->log_message
);
233 a
= memchr(t
->log_message
, 0, t
->log_message_size
);
234 b
= memchr(t
->log_message
, '\n', t
->log_message_size
);
248 e
= t
->log_message
+ t
->log_message_size
;
251 n
= strndup(t
->log_message
, e
- t
->log_message
);
253 /* Skip over NUL and newlines */
254 while (e
< t
->log_message
+ t
->log_message_size
&& IN_SET(*e
, 0, '\n'))
257 memmove(t
->log_message
, e
, t
->log_message
+ sizeof(t
->log_message
) - e
);
258 t
->log_message_size
-= e
- t
->log_message
;
268 transfer_send_log_line(t
, n
);
272 static int transfer_finalize(Transfer
*t
, bool success
) {
277 transfer_send_logs(t
, true);
279 r
= sd_bus_emit_signal(
281 "/org/freedesktop/import1",
282 "org.freedesktop.import1.Manager",
288 t
->n_canceled
> 0 ? "canceled" : "failed");
291 log_error_errno(r
, "Cannot emit message: %m");
297 static int transfer_cancel(Transfer
*t
) {
302 r
= kill_and_sigcont(t
->pid
, t
->n_canceled
< 3 ? SIGTERM
: SIGKILL
);
310 static int transfer_on_pid(sd_event_source
*s
, const siginfo_t
*si
, void *userdata
) {
311 Transfer
*t
= userdata
;
312 bool success
= false;
317 if (si
->si_code
== CLD_EXITED
) {
318 if (si
->si_status
!= 0)
319 log_error("Transfer process failed with exit code %i.", si
->si_status
);
321 log_debug("Transfer process succeeded.");
325 } else if (IN_SET(si
->si_code
, CLD_KILLED
, CLD_DUMPED
))
326 log_error("Transfer process terminated by signal %s.", signal_to_string(si
->si_status
));
328 log_error("Transfer process failed due to unknown reason.");
332 return transfer_finalize(t
, success
);
335 static int transfer_on_log(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
336 Transfer
*t
= userdata
;
342 l
= read(fd
, t
->log_message
+ t
->log_message_size
, sizeof(t
->log_message
) - t
->log_message_size
);
344 log_error_errno(errno
, "Failed to read log message: %m");
346 /* EOF/read error. We just close the pipe here, and
347 * close the watch, waiting for the SIGCHLD to arrive,
348 * before we do anything else. */
349 t
->log_event_source
= sd_event_source_unref(t
->log_event_source
);
353 t
->log_message_size
+= l
;
355 transfer_send_logs(t
, false);
360 static int transfer_start(Transfer
*t
) {
361 _cleanup_close_pair_
int pipefd
[2] = { -1, -1 };
367 if (pipe2(pipefd
, O_CLOEXEC
) < 0)
370 r
= safe_fork("(sd-transfer)", FORK_RESET_SIGNALS
|FORK_DEATHSIG
, &t
->pid
);
374 const char *cmd
[] = {
375 NULL
, /* systemd-import, systemd-import-fs, systemd-export or systemd-pull */
377 NULL
, /* --verify= */
378 NULL
, /* verify argument */
379 NULL
, /* maybe --force */
380 NULL
, /* maybe --read-only */
381 NULL
, /* if so: the actual URL */
382 NULL
, /* maybe --format= */
383 NULL
, /* if so: the actual format */
392 pipefd
[0] = safe_close(pipefd
[0]);
394 r
= rearrange_stdio(t
->stdin_fd
,
395 t
->stdout_fd
< 0 ? pipefd
[1] : t
->stdout_fd
,
398 log_error_errno(r
, "Failed to set stdin/stdout/stderr: %m");
402 if (setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1) < 0 ||
403 setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1) < 0) {
404 log_error_errno(errno
, "setenv() failed: %m");
408 r
= setenv_systemd_exec_pid(true);
410 log_warning_errno(r
, "Failed to update $SYSTEMD_EXEC_PID, ignoring: %m");
414 case TRANSFER_IMPORT_TAR
:
415 case TRANSFER_IMPORT_RAW
:
416 cmd
[k
++] = SYSTEMD_IMPORT_PATH
;
419 case TRANSFER_IMPORT_FS
:
420 cmd
[k
++] = SYSTEMD_IMPORT_FS_PATH
;
423 case TRANSFER_EXPORT_TAR
:
424 case TRANSFER_EXPORT_RAW
:
425 cmd
[k
++] = SYSTEMD_EXPORT_PATH
;
428 case TRANSFER_PULL_TAR
:
429 case TRANSFER_PULL_RAW
:
430 cmd
[k
++] = SYSTEMD_PULL_PATH
;
434 assert_not_reached("Unexpected transfer type");
439 case TRANSFER_IMPORT_TAR
:
440 case TRANSFER_EXPORT_TAR
:
441 case TRANSFER_PULL_TAR
:
445 case TRANSFER_IMPORT_RAW
:
446 case TRANSFER_EXPORT_RAW
:
447 case TRANSFER_PULL_RAW
:
451 case TRANSFER_IMPORT_FS
:
459 if (t
->verify
!= _IMPORT_VERIFY_INVALID
) {
460 cmd
[k
++] = "--verify";
461 cmd
[k
++] = import_verify_to_string(t
->verify
);
465 cmd
[k
++] = "--force";
467 cmd
[k
++] = "--read-only";
470 cmd
[k
++] = "--format";
471 cmd
[k
++] = t
->format
;
474 if (!IN_SET(t
->type
, TRANSFER_EXPORT_TAR
, TRANSFER_EXPORT_RAW
)) {
476 cmd
[k
++] = t
->remote
;
485 execv(cmd
[0], (char * const *) cmd
);
486 log_error_errno(errno
, "Failed to execute %s tool: %m", cmd
[0]);
490 pipefd
[1] = safe_close(pipefd
[1]);
491 t
->log_fd
= TAKE_FD(pipefd
[0]);
493 t
->stdin_fd
= safe_close(t
->stdin_fd
);
495 r
= sd_event_add_child(t
->manager
->event
, &t
->pid_event_source
,
496 t
->pid
, WEXITED
, transfer_on_pid
, t
);
500 r
= sd_event_add_io(t
->manager
->event
, &t
->log_event_source
,
501 t
->log_fd
, EPOLLIN
, transfer_on_log
, t
);
505 /* Make sure always process logging before SIGCHLD */
506 r
= sd_event_source_set_priority(t
->log_event_source
, SD_EVENT_PRIORITY_NORMAL
-5);
510 r
= sd_bus_emit_signal(
512 "/org/freedesktop/import1",
513 "org.freedesktop.import1.Manager",
524 static Manager
*manager_unref(Manager
*m
) {
530 sd_event_source_unref(m
->notify_event_source
);
531 safe_close(m
->notify_fd
);
533 while ((t
= hashmap_first(m
->transfers
)))
536 hashmap_free(m
->transfers
);
538 bus_verify_polkit_async_registry_free(m
->polkit_registry
);
540 m
->bus
= sd_bus_flush_close_unref(m
->bus
);
541 sd_event_unref(m
->event
);
546 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager
*, manager_unref
);
548 static int manager_on_notify(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
550 char buf
[NOTIFY_BUFFER_MAX
+1];
551 struct iovec iovec
= {
553 .iov_len
= sizeof(buf
)-1,
555 CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred
)) +
556 CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX
)) control
;
557 struct msghdr msghdr
= {
560 .msg_control
= &control
,
561 .msg_controllen
= sizeof(control
),
564 Manager
*m
= userdata
;
570 n
= recvmsg_safe(fd
, &msghdr
, MSG_DONTWAIT
|MSG_CMSG_CLOEXEC
);
571 if (IN_SET(n
, -EAGAIN
, -EINTR
))
576 cmsg_close_all(&msghdr
);
578 if (msghdr
.msg_flags
& MSG_TRUNC
) {
579 log_warning("Got overly long notification datagram, ignoring.");
583 ucred
= CMSG_FIND_DATA(&msghdr
, SOL_SOCKET
, SCM_CREDENTIALS
, struct ucred
);
584 if (!ucred
|| ucred
->pid
<= 0) {
585 log_warning("Got notification datagram lacking credential information, ignoring.");
589 HASHMAP_FOREACH(t
, m
->transfers
)
590 if (ucred
->pid
== t
->pid
)
594 log_warning("Got notification datagram from unexpected peer, ignoring.");
600 p
= startswith(buf
, "X_IMPORT_PROGRESS=");
602 p
= strstr(buf
, "\nX_IMPORT_PROGRESS=");
609 e
= strchrnul(p
, '\n');
612 r
= parse_percent(p
);
614 log_warning("Got invalid percent value, ignoring.");
618 t
->progress_percent
= (unsigned) r
;
620 log_debug("Got percentage from client: %u%%", t
->progress_percent
);
624 static int manager_new(Manager
**ret
) {
625 _cleanup_(manager_unrefp
) Manager
*m
= NULL
;
626 static const union sockaddr_union sa
= {
627 .un
.sun_family
= AF_UNIX
,
628 .un
.sun_path
= "/run/systemd/import/notify",
634 m
= new0(Manager
, 1);
638 r
= sd_event_default(&m
->event
);
642 sd_event_set_watchdog(m
->event
, true);
644 r
= sd_bus_default_system(&m
->bus
);
648 m
->notify_fd
= socket(AF_UNIX
, SOCK_DGRAM
|SOCK_CLOEXEC
|SOCK_NONBLOCK
, 0);
649 if (m
->notify_fd
< 0)
652 (void) mkdir_parents_label(sa
.un
.sun_path
, 0755);
653 (void) sockaddr_un_unlink(&sa
.un
);
655 if (bind(m
->notify_fd
, &sa
.sa
, SOCKADDR_UN_LEN(sa
.un
)) < 0)
658 r
= setsockopt_int(m
->notify_fd
, SOL_SOCKET
, SO_PASSCRED
, true);
662 r
= sd_event_add_io(m
->event
, &m
->notify_event_source
,
663 m
->notify_fd
, EPOLLIN
, manager_on_notify
, m
);
672 static Transfer
*manager_find(Manager
*m
, TransferType type
, const char *remote
) {
677 assert(type
< _TRANSFER_TYPE_MAX
);
679 HASHMAP_FOREACH(t
, m
->transfers
)
680 if (t
->type
== type
&& streq_ptr(t
->remote
, remote
))
686 static int method_import_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
687 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
688 int fd
, force
, read_only
, r
;
689 const char *local
, *object
;
690 Manager
*m
= userdata
;
698 r
= bus_verify_polkit_async(
701 "org.freedesktop.import1.import",
710 return 1; /* Will call us back */
712 r
= sd_bus_message_read(msg
, "hsbb", &fd
, &local
, &force
, &read_only
);
716 if (fstat(fd
, &st
) < 0)
719 if (!S_ISREG(st
.st_mode
) && !S_ISFIFO(st
.st_mode
))
722 if (!hostname_is_valid(local
, 0))
723 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
724 "Local name %s is invalid", local
);
726 r
= setup_machine_directory(error
);
730 type
= streq_ptr(sd_bus_message_get_member(msg
), "ImportTar") ?
731 TRANSFER_IMPORT_TAR
: TRANSFER_IMPORT_RAW
;
733 r
= transfer_new(m
, &t
);
738 t
->force_local
= force
;
739 t
->read_only
= read_only
;
741 t
->local
= strdup(local
);
745 t
->stdin_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
749 r
= transfer_start(t
);
753 object
= t
->object_path
;
757 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
760 static int method_import_fs(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
761 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
762 int fd
, force
, read_only
, r
;
763 const char *local
, *object
;
764 Manager
*m
= userdata
;
770 r
= bus_verify_polkit_async(
773 "org.freedesktop.import1.import",
782 return 1; /* Will call us back */
784 r
= sd_bus_message_read(msg
, "hsbb", &fd
, &local
, &force
, &read_only
);
788 r
= fd_verify_directory(fd
);
792 if (!hostname_is_valid(local
, 0))
793 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
794 "Local name %s is invalid", local
);
796 r
= setup_machine_directory(error
);
800 r
= transfer_new(m
, &t
);
804 t
->type
= TRANSFER_IMPORT_FS
;
805 t
->force_local
= force
;
806 t
->read_only
= read_only
;
808 t
->local
= strdup(local
);
812 t
->stdin_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
816 r
= transfer_start(t
);
820 object
= t
->object_path
;
824 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
827 static int method_export_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
828 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
830 const char *local
, *object
, *format
;
831 Manager
*m
= userdata
;
839 r
= bus_verify_polkit_async(
842 "org.freedesktop.import1.export",
851 return 1; /* Will call us back */
853 r
= sd_bus_message_read(msg
, "shs", &local
, &fd
, &format
);
857 if (!hostname_is_valid(local
, 0))
858 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
859 "Local name %s is invalid", local
);
861 if (fstat(fd
, &st
) < 0)
864 if (!S_ISREG(st
.st_mode
) && !S_ISFIFO(st
.st_mode
))
867 type
= streq_ptr(sd_bus_message_get_member(msg
), "ExportTar") ?
868 TRANSFER_EXPORT_TAR
: TRANSFER_EXPORT_RAW
;
870 r
= transfer_new(m
, &t
);
876 if (!isempty(format
)) {
877 t
->format
= strdup(format
);
882 t
->local
= strdup(local
);
886 t
->stdout_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
887 if (t
->stdout_fd
< 0)
890 r
= transfer_start(t
);
894 object
= t
->object_path
;
898 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
901 static int method_pull_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
902 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
903 const char *remote
, *local
, *verify
, *object
;
904 Manager
*m
= userdata
;
913 r
= bus_verify_polkit_async(
916 "org.freedesktop.import1.pull",
925 return 1; /* Will call us back */
927 r
= sd_bus_message_read(msg
, "sssb", &remote
, &local
, &verify
, &force
);
931 if (!http_url_is_valid(remote
))
932 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
933 "URL %s is invalid", remote
);
937 else if (!hostname_is_valid(local
, 0))
938 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
939 "Local name %s is invalid", local
);
942 v
= IMPORT_VERIFY_SIGNATURE
;
944 v
= import_verify_from_string(verify
);
946 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
,
947 "Unknown verification mode %s", verify
);
949 r
= setup_machine_directory(error
);
953 type
= streq_ptr(sd_bus_message_get_member(msg
), "PullTar") ?
954 TRANSFER_PULL_TAR
: TRANSFER_PULL_RAW
;
956 if (manager_find(m
, type
, remote
))
957 return sd_bus_error_setf(error
, BUS_ERROR_TRANSFER_IN_PROGRESS
,
958 "Transfer for %s already in progress.", remote
);
960 r
= transfer_new(m
, &t
);
966 t
->force_local
= force
;
968 t
->remote
= strdup(remote
);
973 t
->local
= strdup(local
);
978 r
= transfer_start(t
);
982 object
= t
->object_path
;
986 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
989 static int method_list_transfers(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
990 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
991 Manager
*m
= userdata
;
998 r
= sd_bus_message_new_method_return(msg
, &reply
);
1002 r
= sd_bus_message_open_container(reply
, 'a', "(usssdo)");
1006 HASHMAP_FOREACH(t
, m
->transfers
) {
1008 r
= sd_bus_message_append(
1012 transfer_type_to_string(t
->type
),
1015 transfer_percent_as_double(t
),
1021 r
= sd_bus_message_close_container(reply
);
1025 return sd_bus_send(NULL
, reply
, NULL
);
1028 static int method_cancel(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
1029 Transfer
*t
= userdata
;
1035 r
= bus_verify_polkit_async(
1038 "org.freedesktop.import1.pull",
1042 &t
->manager
->polkit_registry
,
1047 return 1; /* Will call us back */
1049 r
= transfer_cancel(t
);
1053 return sd_bus_reply_method_return(msg
, NULL
);
1056 static int method_cancel_transfer(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
1057 Manager
*m
= userdata
;
1065 r
= bus_verify_polkit_async(
1068 "org.freedesktop.import1.pull",
1072 &m
->polkit_registry
,
1077 return 1; /* Will call us back */
1079 r
= sd_bus_message_read(msg
, "u", &id
);
1083 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid transfer id");
1085 t
= hashmap_get(m
->transfers
, UINT32_TO_PTR(id
));
1087 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_TRANSFER
, "No transfer by id %" PRIu32
, id
);
1089 r
= transfer_cancel(t
);
1093 return sd_bus_reply_method_return(msg
, NULL
);
1096 static int property_get_progress(
1099 const char *interface
,
1100 const char *property
,
1101 sd_bus_message
*reply
,
1103 sd_bus_error
*error
) {
1105 Transfer
*t
= userdata
;
1111 return sd_bus_message_append(reply
, "d", transfer_percent_as_double(t
));
1114 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type
, transfer_type
, TransferType
);
1115 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify
, import_verify
, ImportVerify
);
1117 static int transfer_object_find(
1120 const char *interface
,
1123 sd_bus_error
*error
) {
1125 Manager
*m
= userdata
;
1137 p
= startswith(path
, "/org/freedesktop/import1/transfer/_");
1141 r
= safe_atou32(p
, &id
);
1142 if (r
< 0 || id
== 0)
1145 t
= hashmap_get(m
->transfers
, UINT32_TO_PTR(id
));
1153 static int transfer_node_enumerator(
1158 sd_bus_error
*error
) {
1160 _cleanup_strv_free_
char **l
= NULL
;
1161 Manager
*m
= userdata
;
1165 l
= new0(char*, hashmap_size(m
->transfers
) + 1);
1169 HASHMAP_FOREACH(t
, m
->transfers
) {
1171 l
[k
] = strdup(t
->object_path
);
1178 *nodes
= TAKE_PTR(l
);
1183 static const sd_bus_vtable transfer_vtable
[] = {
1184 SD_BUS_VTABLE_START(0),
1186 SD_BUS_PROPERTY("Id", "u", NULL
, offsetof(Transfer
, id
), SD_BUS_VTABLE_PROPERTY_CONST
),
1187 SD_BUS_PROPERTY("Local", "s", NULL
, offsetof(Transfer
, local
), SD_BUS_VTABLE_PROPERTY_CONST
),
1188 SD_BUS_PROPERTY("Remote", "s", NULL
, offsetof(Transfer
, remote
), SD_BUS_VTABLE_PROPERTY_CONST
),
1189 SD_BUS_PROPERTY("Type", "s", property_get_type
, offsetof(Transfer
, type
), SD_BUS_VTABLE_PROPERTY_CONST
),
1190 SD_BUS_PROPERTY("Verify", "s", property_get_verify
, offsetof(Transfer
, verify
), SD_BUS_VTABLE_PROPERTY_CONST
),
1191 SD_BUS_PROPERTY("Progress", "d", property_get_progress
, 0, 0),
1193 SD_BUS_METHOD("Cancel", NULL
, NULL
, method_cancel
, SD_BUS_VTABLE_UNPRIVILEGED
),
1195 SD_BUS_SIGNAL_WITH_NAMES("LogMessage",
1197 SD_BUS_PARAM(priority
)
1204 static const BusObjectImplementation transfer_object
= {
1205 "/org/freedesktop/import1/transfer",
1206 "org.freedesktop.import1.Transfer",
1207 .fallback_vtables
= BUS_FALLBACK_VTABLES({transfer_vtable
, transfer_object_find
}),
1208 .node_enumerator
= transfer_node_enumerator
,
1211 static const sd_bus_vtable manager_vtable
[] = {
1212 SD_BUS_VTABLE_START(0),
1214 SD_BUS_METHOD_WITH_NAMES("ImportTar",
1217 SD_BUS_PARAM(local_name
)
1219 SD_BUS_PARAM(read_only
),
1221 SD_BUS_PARAM(transfer_id
)
1222 SD_BUS_PARAM(transfer_path
),
1223 method_import_tar_or_raw
,
1224 SD_BUS_VTABLE_UNPRIVILEGED
),
1225 SD_BUS_METHOD_WITH_NAMES("ImportRaw",
1228 SD_BUS_PARAM(local_name
)
1230 SD_BUS_PARAM(read_only
),
1232 SD_BUS_PARAM(transfer_id
)
1233 SD_BUS_PARAM(transfer_path
),
1234 method_import_tar_or_raw
,
1235 SD_BUS_VTABLE_UNPRIVILEGED
),
1236 SD_BUS_METHOD_WITH_NAMES("ImportFileSystem",
1239 SD_BUS_PARAM(local_name
)
1241 SD_BUS_PARAM(read_only
),
1243 SD_BUS_PARAM(transfer_id
)
1244 SD_BUS_PARAM(transfer_path
),
1246 SD_BUS_VTABLE_UNPRIVILEGED
),
1247 SD_BUS_METHOD_WITH_NAMES("ExportTar",
1249 SD_BUS_PARAM(local_name
)
1251 SD_BUS_PARAM(format
),
1253 SD_BUS_PARAM(transfer_id
)
1254 SD_BUS_PARAM(transfer_path
),
1255 method_export_tar_or_raw
,
1256 SD_BUS_VTABLE_UNPRIVILEGED
),
1257 SD_BUS_METHOD_WITH_NAMES("ExportRaw",
1259 SD_BUS_PARAM(local_name
)
1261 SD_BUS_PARAM(format
),
1263 SD_BUS_PARAM(transfer_id
)
1264 SD_BUS_PARAM(transfer_path
),
1265 method_export_tar_or_raw
,
1266 SD_BUS_VTABLE_UNPRIVILEGED
),
1267 SD_BUS_METHOD_WITH_NAMES("PullTar",
1270 SD_BUS_PARAM(local_name
)
1271 SD_BUS_PARAM(verify_mode
)
1272 SD_BUS_PARAM(force
),
1274 SD_BUS_PARAM(transfer_id
)
1275 SD_BUS_PARAM(transfer_path
),
1276 method_pull_tar_or_raw
,
1277 SD_BUS_VTABLE_UNPRIVILEGED
),
1278 SD_BUS_METHOD_WITH_NAMES("PullRaw",
1281 SD_BUS_PARAM(local_name
)
1282 SD_BUS_PARAM(verify_mode
)
1283 SD_BUS_PARAM(force
),
1285 SD_BUS_PARAM(transfer_id
)
1286 SD_BUS_PARAM(transfer_path
),
1287 method_pull_tar_or_raw
,
1288 SD_BUS_VTABLE_UNPRIVILEGED
),
1289 SD_BUS_METHOD_WITH_NAMES("ListTransfers",
1292 SD_BUS_PARAM(transfers
),
1293 method_list_transfers
,
1294 SD_BUS_VTABLE_UNPRIVILEGED
),
1295 SD_BUS_METHOD_WITH_NAMES("CancelTransfer",
1297 SD_BUS_PARAM(transfer_id
),
1299 method_cancel_transfer
,
1300 SD_BUS_VTABLE_UNPRIVILEGED
),
1302 SD_BUS_SIGNAL_WITH_NAMES("TransferNew",
1304 SD_BUS_PARAM(transfer_id
)
1305 SD_BUS_PARAM(transfer_path
),
1307 SD_BUS_SIGNAL_WITH_NAMES("TransferRemoved",
1309 SD_BUS_PARAM(transfer_id
)
1310 SD_BUS_PARAM(transfer_path
)
1311 SD_BUS_PARAM(result
),
1317 static const BusObjectImplementation manager_object
= {
1318 "/org/freedesktop/import1",
1319 "org.freedesktop.import1.Manager",
1320 .vtables
= BUS_VTABLES(manager_vtable
),
1321 .children
= BUS_IMPLEMENTATIONS(&transfer_object
),
1324 static int manager_add_bus_objects(Manager
*m
) {
1329 r
= bus_add_implementation(m
->bus
, &manager_object
, m
);
1333 r
= bus_log_control_api_register(m
->bus
);
1337 r
= sd_bus_request_name_async(m
->bus
, NULL
, "org.freedesktop.import1", 0, NULL
, NULL
);
1339 return log_error_errno(r
, "Failed to request name: %m");
1341 r
= sd_bus_attach_event(m
->bus
, m
->event
, 0);
1343 return log_error_errno(r
, "Failed to attach bus to event loop: %m");
1348 static bool manager_check_idle(void *userdata
) {
1349 Manager
*m
= userdata
;
1351 return hashmap_isempty(m
->transfers
);
1354 static int manager_run(Manager
*m
) {
1357 return bus_event_loop_with_idle(
1360 "org.freedesktop.import1",
1366 static int run(int argc
, char *argv
[]) {
1367 _cleanup_(manager_unrefp
) Manager
*m
= NULL
;
1372 r
= service_parse_argv("systemd-importd.service",
1373 "VM and container image import and export service.",
1374 BUS_IMPLEMENTATIONS(&manager_object
,
1375 &log_control_object
),
1382 assert_se(sigprocmask_many(SIG_BLOCK
, NULL
, SIGCHLD
, -1) >= 0);
1384 r
= manager_new(&m
);
1386 return log_error_errno(r
, "Failed to allocate manager object: %m");
1388 r
= manager_add_bus_objects(m
);
1394 return log_error_errno(r
, "Failed to run event loop: %m");
1399 DEFINE_MAIN_FUNCTION(run
);