1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2015 Lennart Poettering
13 #include "alloc-util.h"
14 #include "bus-common-errors.h"
18 #include "hostname-util.h"
19 #include "import-util.h"
20 #include "machine-pool.h"
23 #include "parse-util.h"
24 #include "path-util.h"
25 #include "process-util.h"
26 #include "signal-util.h"
27 #include "socket-util.h"
28 #include "string-table.h"
30 #include "syslog-util.h"
31 #include "user-util.h"
35 typedef struct Transfer Transfer
;
36 typedef struct Manager Manager
;
38 typedef enum TransferType
{
46 _TRANSFER_TYPE_INVALID
= -1,
69 char log_message
[LINE_MAX
];
70 size_t log_message_size
;
72 sd_event_source
*pid_event_source
;
73 sd_event_source
*log_event_source
;
76 unsigned progress_percent
;
86 uint32_t current_transfer_id
;
89 Hashmap
*polkit_registry
;
93 sd_event_source
*notify_event_source
;
96 #define TRANSFERS_MAX 64
98 static const char* const transfer_type_table
[_TRANSFER_TYPE_MAX
] = {
99 [TRANSFER_IMPORT_TAR
] = "import-tar",
100 [TRANSFER_IMPORT_RAW
] = "import-raw",
101 [TRANSFER_EXPORT_TAR
] = "export-tar",
102 [TRANSFER_EXPORT_RAW
] = "export-raw",
103 [TRANSFER_PULL_TAR
] = "pull-tar",
104 [TRANSFER_PULL_RAW
] = "pull-raw",
107 DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(transfer_type
, TransferType
);
109 static Transfer
*transfer_unref(Transfer
*t
) {
114 hashmap_remove(t
->manager
->transfers
, UINT32_TO_PTR(t
->id
));
116 sd_event_source_unref(t
->pid_event_source
);
117 sd_event_source_unref(t
->log_event_source
);
122 free(t
->object_path
);
125 (void) kill_and_sigcont(t
->pid
, SIGKILL
);
126 (void) wait_for_terminate(t
->pid
, NULL
);
129 safe_close(t
->log_fd
);
130 safe_close(t
->stdin_fd
);
131 safe_close(t
->stdout_fd
);
136 DEFINE_TRIVIAL_CLEANUP_FUNC(Transfer
*, transfer_unref
);
138 static int transfer_new(Manager
*m
, Transfer
**ret
) {
139 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
146 if (hashmap_size(m
->transfers
) >= TRANSFERS_MAX
)
149 r
= hashmap_ensure_allocated(&m
->transfers
, &trivial_hash_ops
);
153 t
= new0(Transfer
, 1);
157 t
->type
= _TRANSFER_TYPE_INVALID
;
161 t
->verify
= _IMPORT_VERIFY_INVALID
;
163 id
= m
->current_transfer_id
+ 1;
165 if (asprintf(&t
->object_path
, "/org/freedesktop/import1/transfer/_%" PRIu32
, id
) < 0)
168 r
= hashmap_put(m
->transfers
, UINT32_TO_PTR(id
), t
);
172 m
->current_transfer_id
= id
;
182 static void transfer_send_log_line(Transfer
*t
, const char *line
) {
183 int r
, priority
= LOG_INFO
;
188 syslog_parse_priority(&line
, &priority
, true);
190 log_full(priority
, "(transfer%" PRIu32
") %s", t
->id
, line
);
192 r
= sd_bus_emit_signal(
195 "org.freedesktop.import1.Transfer",
201 log_error_errno(r
, "Cannot emit message: %m");
204 static void transfer_send_logs(Transfer
*t
, bool flush
) {
207 /* Try to send out all log messages, if we can. But if we
208 * can't we remove the messages from the buffer, but don't
211 while (t
->log_message_size
> 0) {
212 _cleanup_free_
char *n
= NULL
;
215 if (t
->log_message_size
>= sizeof(t
->log_message
))
216 e
= t
->log_message
+ sizeof(t
->log_message
);
220 a
= memchr(t
->log_message
, 0, t
->log_message_size
);
221 b
= memchr(t
->log_message
, '\n', t
->log_message_size
);
235 e
= t
->log_message
+ t
->log_message_size
;
238 n
= strndup(t
->log_message
, e
- t
->log_message
);
240 /* Skip over NUL and newlines */
241 while (e
< t
->log_message
+ t
->log_message_size
&& (*e
== 0 || *e
== '\n'))
244 memmove(t
->log_message
, e
, t
->log_message
+ sizeof(t
->log_message
) - e
);
245 t
->log_message_size
-= e
- t
->log_message
;
255 transfer_send_log_line(t
, n
);
259 static int transfer_finalize(Transfer
*t
, bool success
) {
264 transfer_send_logs(t
, true);
266 r
= sd_bus_emit_signal(
268 "/org/freedesktop/import1",
269 "org.freedesktop.import1.Manager",
275 t
->n_canceled
> 0 ? "canceled" : "failed");
278 log_error_errno(r
, "Cannot emit message: %m");
284 static int transfer_cancel(Transfer
*t
) {
289 r
= kill_and_sigcont(t
->pid
, t
->n_canceled
< 3 ? SIGTERM
: SIGKILL
);
297 static int transfer_on_pid(sd_event_source
*s
, const siginfo_t
*si
, void *userdata
) {
298 Transfer
*t
= userdata
;
299 bool success
= false;
304 if (si
->si_code
== CLD_EXITED
) {
305 if (si
->si_status
!= 0)
306 log_error("Import process failed with exit code %i.", si
->si_status
);
308 log_debug("Import process succeeded.");
312 } else if (IN_SET(si
->si_code
, CLD_KILLED
, CLD_DUMPED
))
314 log_error("Import process terminated by signal %s.", signal_to_string(si
->si_status
));
316 log_error("Import process failed due to unknown reason.");
320 return transfer_finalize(t
, success
);
323 static int transfer_on_log(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
324 Transfer
*t
= userdata
;
330 l
= read(fd
, t
->log_message
+ t
->log_message_size
, sizeof(t
->log_message
) - t
->log_message_size
);
332 /* EOF/read error. We just close the pipe here, and
333 * close the watch, waiting for the SIGCHLD to arrive,
334 * before we do anything else. */
337 log_error_errno(errno
, "Failed to read log message: %m");
339 t
->log_event_source
= sd_event_source_unref(t
->log_event_source
);
343 t
->log_message_size
+= l
;
345 transfer_send_logs(t
, false);
350 static int transfer_start(Transfer
*t
) {
351 _cleanup_close_pair_
int pipefd
[2] = { -1, -1 };
357 if (pipe2(pipefd
, O_CLOEXEC
) < 0)
360 r
= safe_fork("(sd-transfer)", FORK_RESET_SIGNALS
|FORK_DEATHSIG
, &t
->pid
);
364 const char *cmd
[] = {
365 NULL
, /* systemd-import, systemd-export or systemd-pull */
367 NULL
, /* --verify= */
368 NULL
, /* verify argument */
369 NULL
, /* maybe --force */
370 NULL
, /* maybe --read-only */
371 NULL
, /* if so: the actual URL */
372 NULL
, /* maybe --format= */
373 NULL
, /* if so: the actual format */
382 pipefd
[0] = safe_close(pipefd
[0]);
384 r
= rearrange_stdio(t
->stdin_fd
,
385 t
->stdout_fd
< 0 ? pipefd
[1] : t
->stdout_fd
,
388 log_error_errno(r
, "Failed to set stdin/stdout/stderr: %m");
392 if (setenv("SYSTEMD_LOG_TARGET", "console-prefixed", 1) < 0 ||
393 setenv("NOTIFY_SOCKET", "/run/systemd/import/notify", 1) < 0) {
394 log_error_errno(errno
, "setenv() failed: %m");
398 if (IN_SET(t
->type
, TRANSFER_IMPORT_TAR
, TRANSFER_IMPORT_RAW
))
399 cmd
[k
++] = SYSTEMD_IMPORT_PATH
;
400 else if (IN_SET(t
->type
, TRANSFER_EXPORT_TAR
, TRANSFER_EXPORT_RAW
))
401 cmd
[k
++] = SYSTEMD_EXPORT_PATH
;
403 cmd
[k
++] = SYSTEMD_PULL_PATH
;
405 if (IN_SET(t
->type
, TRANSFER_IMPORT_TAR
, TRANSFER_EXPORT_TAR
, TRANSFER_PULL_TAR
))
410 if (t
->verify
!= _IMPORT_VERIFY_INVALID
) {
411 cmd
[k
++] = "--verify";
412 cmd
[k
++] = import_verify_to_string(t
->verify
);
416 cmd
[k
++] = "--force";
418 cmd
[k
++] = "--read-only";
421 cmd
[k
++] = "--format";
422 cmd
[k
++] = t
->format
;
425 if (!IN_SET(t
->type
, TRANSFER_EXPORT_TAR
, TRANSFER_EXPORT_RAW
)) {
427 cmd
[k
++] = t
->remote
;
436 execv(cmd
[0], (char * const *) cmd
);
437 log_error_errno(errno
, "Failed to execute %s tool: %m", cmd
[0]);
441 pipefd
[1] = safe_close(pipefd
[1]);
442 t
->log_fd
= TAKE_FD(pipefd
[0]);
444 t
->stdin_fd
= safe_close(t
->stdin_fd
);
446 r
= sd_event_add_child(t
->manager
->event
, &t
->pid_event_source
, t
->pid
, WEXITED
, transfer_on_pid
, t
);
450 r
= sd_event_add_io(t
->manager
->event
, &t
->log_event_source
, t
->log_fd
, EPOLLIN
, transfer_on_log
, t
);
454 /* Make sure always process logging before SIGCHLD */
455 r
= sd_event_source_set_priority(t
->log_event_source
, SD_EVENT_PRIORITY_NORMAL
-5);
459 r
= sd_bus_emit_signal(
461 "/org/freedesktop/import1",
462 "org.freedesktop.import1.Manager",
473 static Manager
*manager_unref(Manager
*m
) {
479 sd_event_source_unref(m
->notify_event_source
);
480 safe_close(m
->notify_fd
);
482 while ((t
= hashmap_first(m
->transfers
)))
485 hashmap_free(m
->transfers
);
487 bus_verify_polkit_async_registry_free(m
->polkit_registry
);
489 m
->bus
= sd_bus_flush_close_unref(m
->bus
);
490 sd_event_unref(m
->event
);
495 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager
*, manager_unref
);
497 static int manager_on_notify(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
499 char buf
[NOTIFY_BUFFER_MAX
+1];
500 struct iovec iovec
= {
502 .iov_len
= sizeof(buf
)-1,
505 struct cmsghdr cmsghdr
;
506 uint8_t buf
[CMSG_SPACE(sizeof(struct ucred
)) +
507 CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX
)];
509 struct msghdr msghdr
= {
512 .msg_control
= &control
,
513 .msg_controllen
= sizeof(control
),
515 struct ucred
*ucred
= NULL
;
516 Manager
*m
= userdata
;
517 struct cmsghdr
*cmsg
;
525 n
= recvmsg(fd
, &msghdr
, MSG_DONTWAIT
|MSG_CMSG_CLOEXEC
);
527 if (IN_SET(errno
, EAGAIN
, EINTR
))
533 cmsg_close_all(&msghdr
);
535 CMSG_FOREACH(cmsg
, &msghdr
)
536 if (cmsg
->cmsg_level
== SOL_SOCKET
&&
537 cmsg
->cmsg_type
== SCM_CREDENTIALS
&&
538 cmsg
->cmsg_len
== CMSG_LEN(sizeof(struct ucred
)))
539 ucred
= (struct ucred
*) CMSG_DATA(cmsg
);
541 if (msghdr
.msg_flags
& MSG_TRUNC
) {
542 log_warning("Got overly long notification datagram, ignoring.");
546 if (!ucred
|| ucred
->pid
<= 0) {
547 log_warning("Got notification datagram lacking credential information, ignoring.");
551 HASHMAP_FOREACH(t
, m
->transfers
, i
)
552 if (ucred
->pid
== t
->pid
)
556 log_warning("Got notification datagram from unexpected peer, ignoring.");
562 p
= startswith(buf
, "X_IMPORT_PROGRESS=");
564 p
= strstr(buf
, "\nX_IMPORT_PROGRESS=");
571 e
= strchrnul(p
, '\n');
574 r
= safe_atou(p
, &percent
);
575 if (r
< 0 || percent
> 100) {
576 log_warning("Got invalid percent value, ignoring.");
580 t
->progress_percent
= percent
;
582 log_debug("Got percentage from client: %u%%", percent
);
586 static int manager_new(Manager
**ret
) {
587 _cleanup_(manager_unrefp
) Manager
*m
= NULL
;
588 static const union sockaddr_union sa
= {
589 .un
.sun_family
= AF_UNIX
,
590 .un
.sun_path
= "/run/systemd/import/notify",
592 static const int one
= 1;
597 m
= new0(Manager
, 1);
601 r
= sd_event_default(&m
->event
);
605 sd_event_set_watchdog(m
->event
, true);
607 r
= sd_bus_default_system(&m
->bus
);
611 m
->notify_fd
= socket(AF_UNIX
, SOCK_DGRAM
|SOCK_CLOEXEC
|SOCK_NONBLOCK
, 0);
612 if (m
->notify_fd
< 0)
615 (void) mkdir_parents_label(sa
.un
.sun_path
, 0755);
616 (void) unlink(sa
.un
.sun_path
);
618 if (bind(m
->notify_fd
, &sa
.sa
, SOCKADDR_UN_LEN(sa
.un
)) < 0)
621 if (setsockopt(m
->notify_fd
, SOL_SOCKET
, SO_PASSCRED
, &one
, sizeof(one
)) < 0)
624 r
= sd_event_add_io(m
->event
, &m
->notify_event_source
, m
->notify_fd
, EPOLLIN
, manager_on_notify
, m
);
633 static Transfer
*manager_find(Manager
*m
, TransferType type
, const char *remote
) {
639 assert(type
< _TRANSFER_TYPE_MAX
);
641 HASHMAP_FOREACH(t
, m
->transfers
, i
) {
643 if (t
->type
== type
&&
644 streq_ptr(t
->remote
, remote
))
651 static int method_import_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
652 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
653 int fd
, force
, read_only
, r
;
654 const char *local
, *object
;
655 Manager
*m
= userdata
;
662 r
= bus_verify_polkit_async(
665 "org.freedesktop.import1.import",
674 return 1; /* Will call us back */
676 r
= sd_bus_message_read(msg
, "hsbb", &fd
, &local
, &force
, &read_only
);
680 if (!machine_name_is_valid(local
))
681 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Local name %s is invalid", local
);
683 r
= setup_machine_directory((uint64_t) -1, error
);
687 type
= streq_ptr(sd_bus_message_get_member(msg
), "ImportTar") ? TRANSFER_IMPORT_TAR
: TRANSFER_IMPORT_RAW
;
689 r
= transfer_new(m
, &t
);
694 t
->force_local
= force
;
695 t
->read_only
= read_only
;
697 t
->local
= strdup(local
);
701 t
->stdin_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
705 r
= transfer_start(t
);
709 object
= t
->object_path
;
713 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
716 static int method_export_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
717 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
719 const char *local
, *object
, *format
;
720 Manager
*m
= userdata
;
727 r
= bus_verify_polkit_async(
730 "org.freedesktop.import1.export",
739 return 1; /* Will call us back */
741 r
= sd_bus_message_read(msg
, "shs", &local
, &fd
, &format
);
745 if (!machine_name_is_valid(local
))
746 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Local name %s is invalid", local
);
748 type
= streq_ptr(sd_bus_message_get_member(msg
), "ExportTar") ? TRANSFER_EXPORT_TAR
: TRANSFER_EXPORT_RAW
;
750 r
= transfer_new(m
, &t
);
756 if (!isempty(format
)) {
757 t
->format
= strdup(format
);
762 t
->local
= strdup(local
);
766 t
->stdout_fd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 3);
767 if (t
->stdout_fd
< 0)
770 r
= transfer_start(t
);
774 object
= t
->object_path
;
778 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
781 static int method_pull_tar_or_raw(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
782 _cleanup_(transfer_unrefp
) Transfer
*t
= NULL
;
783 const char *remote
, *local
, *verify
, *object
;
784 Manager
*m
= userdata
;
793 r
= bus_verify_polkit_async(
796 "org.freedesktop.import1.pull",
805 return 1; /* Will call us back */
807 r
= sd_bus_message_read(msg
, "sssb", &remote
, &local
, &verify
, &force
);
811 if (!http_url_is_valid(remote
))
812 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "URL %s is invalid", remote
);
816 else if (!machine_name_is_valid(local
))
817 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Local name %s is invalid", local
);
820 v
= IMPORT_VERIFY_SIGNATURE
;
822 v
= import_verify_from_string(verify
);
824 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Unknown verification mode %s", verify
);
826 r
= setup_machine_directory((uint64_t) -1, error
);
830 type
= streq_ptr(sd_bus_message_get_member(msg
), "PullTar") ? TRANSFER_PULL_TAR
: TRANSFER_PULL_RAW
;
832 if (manager_find(m
, type
, remote
))
833 return sd_bus_error_setf(error
, BUS_ERROR_TRANSFER_IN_PROGRESS
, "Transfer for %s already in progress.", remote
);
835 r
= transfer_new(m
, &t
);
841 t
->force_local
= force
;
843 t
->remote
= strdup(remote
);
848 t
->local
= strdup(local
);
853 r
= transfer_start(t
);
857 object
= t
->object_path
;
861 return sd_bus_reply_method_return(msg
, "uo", id
, object
);
864 static int method_list_transfers(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
865 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
866 Manager
*m
= userdata
;
874 r
= sd_bus_message_new_method_return(msg
, &reply
);
878 r
= sd_bus_message_open_container(reply
, 'a', "(usssdo)");
882 HASHMAP_FOREACH(t
, m
->transfers
, i
) {
884 r
= sd_bus_message_append(
888 transfer_type_to_string(t
->type
),
891 (double) t
->progress_percent
/ 100.0,
897 r
= sd_bus_message_close_container(reply
);
901 return sd_bus_send(NULL
, reply
, NULL
);
904 static int method_cancel(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
905 Transfer
*t
= userdata
;
911 r
= bus_verify_polkit_async(
914 "org.freedesktop.import1.pull",
918 &t
->manager
->polkit_registry
,
923 return 1; /* Will call us back */
925 r
= transfer_cancel(t
);
929 return sd_bus_reply_method_return(msg
, NULL
);
932 static int method_cancel_transfer(sd_bus_message
*msg
, void *userdata
, sd_bus_error
*error
) {
933 Manager
*m
= userdata
;
941 r
= bus_verify_polkit_async(
944 "org.freedesktop.import1.pull",
953 return 1; /* Will call us back */
955 r
= sd_bus_message_read(msg
, "u", &id
);
959 return sd_bus_error_setf(error
, SD_BUS_ERROR_INVALID_ARGS
, "Invalid transfer id");
961 t
= hashmap_get(m
->transfers
, UINT32_TO_PTR(id
));
963 return sd_bus_error_setf(error
, BUS_ERROR_NO_SUCH_TRANSFER
, "No transfer by id %" PRIu32
, id
);
965 r
= transfer_cancel(t
);
969 return sd_bus_reply_method_return(msg
, NULL
);
972 static int property_get_progress(
975 const char *interface
,
976 const char *property
,
977 sd_bus_message
*reply
,
979 sd_bus_error
*error
) {
981 Transfer
*t
= userdata
;
987 return sd_bus_message_append(reply
, "d", (double) t
->progress_percent
/ 100.0);
990 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type
, transfer_type
, TransferType
);
991 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_verify
, import_verify
, ImportVerify
);
993 static const sd_bus_vtable transfer_vtable
[] = {
994 SD_BUS_VTABLE_START(0),
995 SD_BUS_PROPERTY("Id", "u", NULL
, offsetof(Transfer
, id
), SD_BUS_VTABLE_PROPERTY_CONST
),
996 SD_BUS_PROPERTY("Local", "s", NULL
, offsetof(Transfer
, local
), SD_BUS_VTABLE_PROPERTY_CONST
),
997 SD_BUS_PROPERTY("Remote", "s", NULL
, offsetof(Transfer
, remote
), SD_BUS_VTABLE_PROPERTY_CONST
),
998 SD_BUS_PROPERTY("Type", "s", property_get_type
, offsetof(Transfer
, type
), SD_BUS_VTABLE_PROPERTY_CONST
),
999 SD_BUS_PROPERTY("Verify", "s", property_get_verify
, offsetof(Transfer
, verify
), SD_BUS_VTABLE_PROPERTY_CONST
),
1000 SD_BUS_PROPERTY("Progress", "d", property_get_progress
, 0, 0),
1001 SD_BUS_METHOD("Cancel", NULL
, NULL
, method_cancel
, SD_BUS_VTABLE_UNPRIVILEGED
),
1002 SD_BUS_SIGNAL("LogMessage", "us", 0),
1006 static const sd_bus_vtable manager_vtable
[] = {
1007 SD_BUS_VTABLE_START(0),
1008 SD_BUS_METHOD("ImportTar", "hsbb", "uo", method_import_tar_or_raw
, SD_BUS_VTABLE_UNPRIVILEGED
),
1009 SD_BUS_METHOD("ImportRaw", "hsbb", "uo", method_import_tar_or_raw
, SD_BUS_VTABLE_UNPRIVILEGED
),
1010 SD_BUS_METHOD("ExportTar", "shs", "uo", method_export_tar_or_raw
, SD_BUS_VTABLE_UNPRIVILEGED
),
1011 SD_BUS_METHOD("ExportRaw", "shs", "uo", method_export_tar_or_raw
, SD_BUS_VTABLE_UNPRIVILEGED
),
1012 SD_BUS_METHOD("PullTar", "sssb", "uo", method_pull_tar_or_raw
, SD_BUS_VTABLE_UNPRIVILEGED
),
1013 SD_BUS_METHOD("PullRaw", "sssb", "uo", method_pull_tar_or_raw
, SD_BUS_VTABLE_UNPRIVILEGED
),
1014 SD_BUS_METHOD("ListTransfers", NULL
, "a(usssdo)", method_list_transfers
, SD_BUS_VTABLE_UNPRIVILEGED
),
1015 SD_BUS_METHOD("CancelTransfer", "u", NULL
, method_cancel_transfer
, SD_BUS_VTABLE_UNPRIVILEGED
),
1016 SD_BUS_SIGNAL("TransferNew", "uo", 0),
1017 SD_BUS_SIGNAL("TransferRemoved", "uos", 0),
1021 static int transfer_object_find(sd_bus
*bus
, const char *path
, const char *interface
, void *userdata
, void **found
, sd_bus_error
*error
) {
1022 Manager
*m
= userdata
;
1034 p
= startswith(path
, "/org/freedesktop/import1/transfer/_");
1038 r
= safe_atou32(p
, &id
);
1039 if (r
< 0 || id
== 0)
1042 t
= hashmap_get(m
->transfers
, UINT32_TO_PTR(id
));
1050 static int transfer_node_enumerator(sd_bus
*bus
, const char *path
, void *userdata
, char ***nodes
, sd_bus_error
*error
) {
1051 _cleanup_strv_free_
char **l
= NULL
;
1052 Manager
*m
= userdata
;
1057 l
= new0(char*, hashmap_size(m
->transfers
) + 1);
1061 HASHMAP_FOREACH(t
, m
->transfers
, i
) {
1063 l
[k
] = strdup(t
->object_path
);
1070 *nodes
= TAKE_PTR(l
);
1075 static int manager_add_bus_objects(Manager
*m
) {
1080 r
= sd_bus_add_object_vtable(m
->bus
, NULL
, "/org/freedesktop/import1", "org.freedesktop.import1.Manager", manager_vtable
, m
);
1082 return log_error_errno(r
, "Failed to register object: %m");
1084 r
= sd_bus_add_fallback_vtable(m
->bus
, NULL
, "/org/freedesktop/import1/transfer", "org.freedesktop.import1.Transfer", transfer_vtable
, transfer_object_find
, m
);
1086 return log_error_errno(r
, "Failed to register object: %m");
1088 r
= sd_bus_add_node_enumerator(m
->bus
, NULL
, "/org/freedesktop/import1/transfer", transfer_node_enumerator
, m
);
1090 return log_error_errno(r
, "Failed to add transfer enumerator: %m");
1092 r
= sd_bus_request_name_async(m
->bus
, NULL
, "org.freedesktop.import1", 0, NULL
, NULL
);
1094 return log_error_errno(r
, "Failed to request name: %m");
1096 r
= sd_bus_attach_event(m
->bus
, m
->event
, 0);
1098 return log_error_errno(r
, "Failed to attach bus to event loop: %m");
1103 static bool manager_check_idle(void *userdata
) {
1104 Manager
*m
= userdata
;
1106 return hashmap_isempty(m
->transfers
);
1109 static int manager_run(Manager
*m
) {
1112 return bus_event_loop_with_idle(
1115 "org.freedesktop.import1",
1121 int main(int argc
, char *argv
[]) {
1122 _cleanup_(manager_unrefp
) Manager
*m
= NULL
;
1125 log_set_target(LOG_TARGET_AUTO
);
1126 log_parse_environment();
1132 log_error("This program takes no arguments.");
1137 assert_se(sigprocmask_many(SIG_BLOCK
, NULL
, SIGCHLD
, -1) >= 0);
1139 r
= manager_new(&m
);
1141 log_error_errno(r
, "Failed to allocate manager object: %m");
1145 r
= manager_add_bus_objects(m
);
1151 log_error_errno(r
, "Failed to run event loop: %m");
1156 return r
< 0 ? EXIT_FAILURE
: EXIT_SUCCESS
;