1 /* SPDX-License-Identifier: LGPL-2.1+ */
8 #include "alloc-util.h"
10 #include "bus-internal.h"
11 #include "bus-message.h"
12 #include "bus-signature.h"
15 #include "busctl-introspect.h"
20 #include "locale-util.h"
22 #include "main-func.h"
24 #include "parse-util.h"
25 #include "path-util.h"
26 #include "pretty-print.h"
29 #include "terminal-util.h"
30 #include "user-util.h"
38 } arg_json
= JSON_OFF
;
39 static PagerFlags arg_pager_flags
= 0;
40 static bool arg_legend
= true;
41 static const char *arg_address
= NULL
;
42 static bool arg_unique
= false;
43 static bool arg_acquired
= false;
44 static bool arg_activatable
= false;
45 static bool arg_show_machine
= false;
46 static char **arg_matches
= NULL
;
47 static BusTransport arg_transport
= BUS_TRANSPORT_LOCAL
;
48 static const char *arg_host
= NULL
;
49 static bool arg_user
= false;
50 static size_t arg_snaplen
= 4096;
51 static bool arg_list
= false;
52 static bool arg_quiet
= false;
53 static bool arg_verbose
= false;
54 static bool arg_expect_reply
= true;
55 static bool arg_auto_start
= true;
56 static bool arg_allow_interactive_authorization
= true;
57 static bool arg_augment_creds
= true;
58 static bool arg_watch_bind
= false;
59 static usec_t arg_timeout
= 0;
61 STATIC_DESTRUCTOR_REGISTER(arg_matches
, strv_freep
);
63 #define NAME_IS_ACQUIRED INT_TO_PTR(1)
64 #define NAME_IS_ACTIVATABLE INT_TO_PTR(2)
66 static int json_transform_message(sd_bus_message
*m
, JsonVariant
**ret
);
67 static void json_dump_with_flags(JsonVariant
*v
, FILE *f
);
69 static int acquire_bus(bool set_monitor
, sd_bus
**ret
) {
70 _cleanup_(sd_bus_close_unrefp
) sd_bus
*bus
= NULL
;
75 return log_error_errno(r
, "Failed to allocate bus: %m");
78 r
= sd_bus_set_monitor(bus
, true);
80 return log_error_errno(r
, "Failed to set monitor mode: %m");
82 r
= sd_bus_negotiate_creds(bus
, true, _SD_BUS_CREDS_ALL
);
84 return log_error_errno(r
, "Failed to enable credentials: %m");
86 r
= sd_bus_negotiate_timestamp(bus
, true);
88 return log_error_errno(r
, "Failed to enable timestamps: %m");
90 r
= sd_bus_negotiate_fds(bus
, true);
92 return log_error_errno(r
, "Failed to enable fds: %m");
95 r
= sd_bus_set_bus_client(bus
, true);
97 return log_error_errno(r
, "Failed to set bus client: %m");
99 r
= sd_bus_set_watch_bind(bus
, arg_watch_bind
);
101 return log_error_errno(r
, "Failed to set watch-bind setting to '%s': %m", yes_no(arg_watch_bind
));
104 r
= sd_bus_set_address(bus
, arg_address
);
106 switch (arg_transport
) {
108 case BUS_TRANSPORT_LOCAL
:
111 r
= bus_set_address_user(bus
);
113 bus
->is_system
= true;
114 r
= bus_set_address_system(bus
);
118 case BUS_TRANSPORT_REMOTE
:
119 r
= bus_set_address_system_remote(bus
, arg_host
);
122 case BUS_TRANSPORT_MACHINE
:
123 r
= bus_set_address_system_machine(bus
, arg_host
);
127 assert_not_reached("Hmm, unknown transport type.");
131 return log_error_errno(r
, "Failed to set address: %m");
133 r
= sd_bus_start(bus
);
135 return log_error_errno(r
, "Failed to connect to bus: %m");
137 *ret
= TAKE_PTR(bus
);
142 static int list_bus_names(int argc
, char **argv
, void *userdata
) {
143 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
144 _cleanup_strv_free_
char **acquired
= NULL
, **activatable
= NULL
;
145 _cleanup_free_
char **merged
= NULL
;
146 _cleanup_hashmap_free_ Hashmap
*names
= NULL
;
155 if (!arg_unique
&& !arg_acquired
&& !arg_activatable
)
156 arg_unique
= arg_acquired
= arg_activatable
= true;
158 r
= acquire_bus(false, &bus
);
162 r
= sd_bus_list_names(bus
, (arg_acquired
|| arg_unique
) ? &acquired
: NULL
, arg_activatable
? &activatable
: NULL
);
164 return log_error_errno(r
, "Failed to list names: %m");
166 (void) pager_open(arg_pager_flags
);
168 names
= hashmap_new(&string_hash_ops
);
172 STRV_FOREACH(i
, acquired
) {
173 max_i
= MAX(max_i
, strlen(*i
));
175 r
= hashmap_put(names
, *i
, NAME_IS_ACQUIRED
);
177 return log_error_errno(r
, "Failed to add to hashmap: %m");
180 STRV_FOREACH(i
, activatable
) {
181 max_i
= MAX(max_i
, strlen(*i
));
183 r
= hashmap_put(names
, *i
, NAME_IS_ACTIVATABLE
);
184 if (r
< 0 && r
!= -EEXIST
)
185 return log_error_errno(r
, "Failed to add to hashmap: %m");
188 merged
= new(char*, hashmap_size(names
) + 1);
192 HASHMAP_FOREACH_KEY(v
, k
, names
, iterator
)
199 printf("%-*s %*s %-*s %-*s %-*s %-*s %-*s %-*s",
200 (int) max_i
, "NAME", 10, "PID", 15, "PROCESS", 16, "USER", 13, "CONNECTION", 25, "UNIT", 10, "SESSION", 19, "DESCRIPTION");
202 if (arg_show_machine
)
208 STRV_FOREACH(i
, merged
) {
209 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
212 if (hashmap_get(names
, *i
) == NAME_IS_ACTIVATABLE
) {
215 printf("%-*s", (int) max_i
, *i
);
216 printf(" - - - (activatable) - - ");
217 if (arg_show_machine
)
225 if (!arg_unique
&& (*i
)[0] == ':')
228 if (!arg_acquired
&& (*i
)[0] != ':')
231 printf("%-*s", (int) max_i
, *i
);
233 r
= sd_bus_get_name_creds(
235 (arg_augment_creds
? SD_BUS_CREDS_AUGMENT
: 0) |
236 SD_BUS_CREDS_EUID
|SD_BUS_CREDS_PID
|SD_BUS_CREDS_COMM
|
237 SD_BUS_CREDS_UNIQUE_NAME
|SD_BUS_CREDS_UNIT
|SD_BUS_CREDS_SESSION
|
238 SD_BUS_CREDS_DESCRIPTION
, &creds
);
240 const char *unique
, *session
, *unit
, *cn
;
244 r
= sd_bus_creds_get_pid(creds
, &pid
);
246 const char *comm
= NULL
;
248 sd_bus_creds_get_comm(creds
, &comm
);
250 printf(" %10lu %-15s", (unsigned long) pid
, strna(comm
));
252 fputs(" - - ", stdout
);
254 r
= sd_bus_creds_get_euid(creds
, &uid
);
256 _cleanup_free_
char *u
= NULL
;
258 u
= uid_to_name(uid
);
267 fputs(" - ", stdout
);
269 r
= sd_bus_creds_get_unique_name(creds
, &unique
);
271 printf(" %-13s", unique
);
273 fputs(" - ", stdout
);
275 r
= sd_bus_creds_get_unit(creds
, &unit
);
277 _cleanup_free_
char *e
;
279 e
= ellipsize(unit
, 25, 100);
285 fputs(" - ", stdout
);
287 r
= sd_bus_creds_get_session(creds
, &session
);
289 printf(" %-10s", session
);
291 fputs(" - ", stdout
);
293 r
= sd_bus_creds_get_description(creds
, &cn
);
295 printf(" %-19s", cn
);
297 fputs(" - ", stdout
);
300 printf(" - - - - - - - ");
302 if (arg_show_machine
) {
303 r
= sd_bus_get_name_machine_id(bus
, *i
, &mid
);
305 char m
[SD_ID128_STRING_MAX
];
306 printf(" %s\n", sd_id128_to_string(mid
, m
));
316 static void print_subtree(const char *prefix
, const char *path
, char **l
) {
317 const char *vertical
, *space
;
320 /* We assume the list is sorted. Let's first skip over the
321 * entry we are looking at. */
326 if (!streq(*l
, path
))
332 vertical
= strjoina(prefix
, special_glyph(SPECIAL_GLYPH_TREE_VERTICAL
));
333 space
= strjoina(prefix
, special_glyph(SPECIAL_GLYPH_TREE_SPACE
));
336 bool has_more
= false;
338 if (!*l
|| !path_startswith(*l
, path
))
343 if (!*n
|| !path_startswith(*n
, path
))
346 if (!path_startswith(*n
, *l
)) {
354 printf("%s%s%s\n", prefix
, special_glyph(has_more
? SPECIAL_GLYPH_TREE_BRANCH
: SPECIAL_GLYPH_TREE_RIGHT
), *l
);
356 print_subtree(has_more
? vertical
: space
, *l
, l
);
361 static void print_tree(const char *prefix
, char **l
) {
363 prefix
= strempty(prefix
);
369 printf("%s%s\n", prefix
, *i
);
373 if (strv_isempty(l
)) {
374 printf("No objects discovered.\n");
378 if (streq(l
[0], "/") && !l
[1]) {
379 printf("Only root object discovered.\n");
383 print_subtree(prefix
, "/", l
);
386 static int on_path(const char *path
, void *userdata
) {
387 Set
*paths
= userdata
;
392 r
= set_put_strdup(paths
, path
);
399 static int find_nodes(sd_bus
*bus
, const char *service
, const char *path
, Set
*paths
, bool many
) {
400 static const XMLIntrospectOps ops
= {
404 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
405 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
409 r
= sd_bus_call_method(bus
, service
, path
, "org.freedesktop.DBus.Introspectable", "Introspect", &error
, &reply
, "");
412 printf("Failed to introspect object %s of service %s: %s\n", path
, service
, bus_error_message(&error
, r
));
414 log_error_errno(r
, "Failed to introspect object %s of service %s: %s", path
, service
, bus_error_message(&error
, r
));
418 r
= sd_bus_message_read(reply
, "s", &xml
);
420 return bus_log_parse_error(r
);
422 return parse_xml_introspect(path
, xml
, &ops
, paths
);
425 static int tree_one(sd_bus
*bus
, const char *service
, const char *prefix
, bool many
) {
426 _cleanup_set_free_free_ Set
*paths
= NULL
, *done
= NULL
, *failed
= NULL
;
427 _cleanup_free_
char **l
= NULL
;
431 paths
= set_new(&string_hash_ops
);
435 done
= set_new(&string_hash_ops
);
439 failed
= set_new(&string_hash_ops
);
447 r
= set_put(paths
, m
);
454 _cleanup_free_
char *p
= NULL
;
457 p
= set_steal_first(paths
);
461 if (set_contains(done
, p
) ||
462 set_contains(failed
, p
))
465 q
= find_nodes(bus
, service
, p
, paths
, many
);
470 q
= set_put(failed
, p
);
472 q
= set_put(done
, p
);
481 (void) pager_open(arg_pager_flags
);
483 l
= set_get_strv(done
);
488 print_tree(prefix
, l
);
495 static int tree(int argc
, char **argv
, void *userdata
) {
496 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
500 if (!arg_unique
&& !arg_acquired
)
503 r
= acquire_bus(false, &bus
);
508 _cleanup_strv_free_
char **names
= NULL
;
509 bool not_first
= false;
511 r
= sd_bus_list_names(bus
, &names
, NULL
);
513 return log_error_errno(r
, "Failed to get name list: %m");
515 (void) pager_open(arg_pager_flags
);
517 STRV_FOREACH(i
, names
) {
520 if (!arg_unique
&& (*i
)[0] == ':')
523 if (!arg_acquired
&& (*i
)[0] == ':')
529 printf("Service %s%s%s:\n", ansi_highlight(), *i
, ansi_normal());
531 q
= tree_one(bus
, *i
, NULL
, true);
538 STRV_FOREACH(i
, argv
+1) {
545 (void) pager_open(arg_pager_flags
);
546 printf("Service %s%s%s:\n", ansi_highlight(), *i
, ansi_normal());
549 q
= tree_one(bus
, *i
, NULL
, !!argv
[2]);
558 static int format_cmdline(sd_bus_message
*m
, FILE *f
, bool needs_space
) {
562 const char *contents
= NULL
;
577 r
= sd_bus_message_peek_type(m
, &type
, &contents
);
583 if (bus_type_is_container(type
) > 0) {
585 r
= sd_bus_message_enter_container(m
, type
, contents
);
589 if (type
== SD_BUS_TYPE_ARRAY
) {
592 /* count array entries */
595 r
= sd_bus_message_skip(m
, contents
);
604 r
= sd_bus_message_rewind(m
, false);
614 } else if (type
== SD_BUS_TYPE_VARIANT
) {
619 fprintf(f
, "%s", contents
);
623 r
= format_cmdline(m
, f
, needs_space
);
629 r
= sd_bus_message_exit_container(m
);
636 r
= sd_bus_message_read_basic(m
, type
, &basic
);
644 case SD_BUS_TYPE_BYTE
:
645 fprintf(f
, "%u", basic
.u8
);
648 case SD_BUS_TYPE_BOOLEAN
:
649 fputs(true_false(basic
.i
), f
);
652 case SD_BUS_TYPE_INT16
:
653 fprintf(f
, "%i", basic
.s16
);
656 case SD_BUS_TYPE_UINT16
:
657 fprintf(f
, "%u", basic
.u16
);
660 case SD_BUS_TYPE_INT32
:
661 fprintf(f
, "%i", basic
.s32
);
664 case SD_BUS_TYPE_UINT32
:
665 fprintf(f
, "%u", basic
.u32
);
668 case SD_BUS_TYPE_INT64
:
669 fprintf(f
, "%" PRIi64
, basic
.s64
);
672 case SD_BUS_TYPE_UINT64
:
673 fprintf(f
, "%" PRIu64
, basic
.u64
);
676 case SD_BUS_TYPE_DOUBLE
:
677 fprintf(f
, "%g", basic
.d64
);
680 case SD_BUS_TYPE_STRING
:
681 case SD_BUS_TYPE_OBJECT_PATH
:
682 case SD_BUS_TYPE_SIGNATURE
: {
683 _cleanup_free_
char *b
= NULL
;
685 b
= cescape(basic
.string
);
689 fprintf(f
, "\"%s\"", b
);
693 case SD_BUS_TYPE_UNIX_FD
:
694 fprintf(f
, "%i", basic
.i
);
698 assert_not_reached("Unknown basic type.");
705 typedef struct Member
{
716 static void member_hash_func(const Member
*m
, struct siphash
*state
) {
722 string_hash_func(m
->type
, state
);
724 arity
+= !!m
->name
+ !!m
->interface
;
726 uint64_hash_func(&arity
, state
);
729 string_hash_func(m
->name
, state
);
732 string_hash_func(m
->interface
, state
);
735 static int member_compare_func(const Member
*x
, const Member
*y
) {
743 d
= strcmp_ptr(x
->interface
, y
->interface
);
747 d
= strcmp(x
->type
, y
->type
);
751 return strcmp_ptr(x
->name
, y
->name
);
754 static int member_compare_funcp(Member
* const *a
, Member
* const *b
) {
755 return member_compare_func(*a
, *b
);
758 static void member_free(Member
*m
) {
770 DEFINE_TRIVIAL_CLEANUP_FUNC(Member
*, member_free
);
772 static void member_set_free(Set
*s
) {
773 set_free_with_destructor(s
, member_free
);
776 DEFINE_TRIVIAL_CLEANUP_FUNC(Set
*, member_set_free
);
778 static int on_interface(const char *interface
, uint64_t flags
, void *userdata
) {
779 _cleanup_(member_freep
) Member
*m
;
780 Set
*members
= userdata
;
790 m
->type
= "interface";
793 r
= free_and_strdup(&m
->interface
, interface
);
797 r
= set_put(members
, m
);
799 log_error("Duplicate interface");
807 static int on_method(const char *interface
, const char *name
, const char *signature
, const char *result
, uint64_t flags
, void *userdata
) {
808 _cleanup_(member_freep
) Member
*m
;
809 Set
*members
= userdata
;
822 r
= free_and_strdup(&m
->interface
, interface
);
826 r
= free_and_strdup(&m
->name
, name
);
830 r
= free_and_strdup(&m
->signature
, signature
);
834 r
= free_and_strdup(&m
->result
, result
);
838 r
= set_put(members
, m
);
840 log_error("Duplicate method");
848 static int on_signal(const char *interface
, const char *name
, const char *signature
, uint64_t flags
, void *userdata
) {
849 _cleanup_(member_freep
) Member
*m
;
850 Set
*members
= userdata
;
863 r
= free_and_strdup(&m
->interface
, interface
);
867 r
= free_and_strdup(&m
->name
, name
);
871 r
= free_and_strdup(&m
->signature
, signature
);
875 r
= set_put(members
, m
);
877 log_error("Duplicate signal");
885 static int on_property(const char *interface
, const char *name
, const char *signature
, bool writable
, uint64_t flags
, void *userdata
) {
886 _cleanup_(member_freep
) Member
*m
;
887 Set
*members
= userdata
;
897 m
->type
= "property";
899 m
->writable
= writable
;
901 r
= free_and_strdup(&m
->interface
, interface
);
905 r
= free_and_strdup(&m
->name
, name
);
909 r
= free_and_strdup(&m
->signature
, signature
);
913 r
= set_put(members
, m
);
915 log_error("Duplicate property");
923 DEFINE_PRIVATE_HASH_OPS(member_hash_ops
, Member
, member_hash_func
, member_compare_func
);
925 static int introspect(int argc
, char **argv
, void *userdata
) {
926 static const XMLIntrospectOps ops
= {
927 .on_interface
= on_interface
,
928 .on_method
= on_method
,
929 .on_signal
= on_signal
,
930 .on_property
= on_property
,
933 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
934 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply_xml
= NULL
;
935 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
936 _cleanup_(member_set_freep
) Set
*members
= NULL
;
937 unsigned name_width
, type_width
, signature_width
, result_width
, j
, k
= 0;
938 Member
*m
, **sorted
= NULL
;
943 r
= acquire_bus(false, &bus
);
947 members
= set_new(&member_hash_ops
);
951 r
= sd_bus_call_method(bus
, argv
[1], argv
[2], "org.freedesktop.DBus.Introspectable", "Introspect", &error
, &reply_xml
, "");
953 return log_error_errno(r
, "Failed to introspect object %s of service %s: %s", argv
[2], argv
[1], bus_error_message(&error
, r
));
955 r
= sd_bus_message_read(reply_xml
, "s", &xml
);
957 return bus_log_parse_error(r
);
959 /* First, get list of all properties */
960 r
= parse_xml_introspect(argv
[2], xml
, &ops
, members
);
964 /* Second, find the current values for them */
965 SET_FOREACH(m
, members
, i
) {
966 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
968 if (!streq(m
->type
, "property"))
974 if (argv
[3] && !streq(argv
[3], m
->interface
))
977 r
= sd_bus_call_method(bus
, argv
[1], argv
[2], "org.freedesktop.DBus.Properties", "GetAll", &error
, &reply
, "s", m
->interface
);
979 return log_error_errno(r
, "%s", bus_error_message(&error
, r
));
981 r
= sd_bus_message_enter_container(reply
, 'a', "{sv}");
983 return bus_log_parse_error(r
);
987 _cleanup_free_
char *buf
= NULL
;
988 _cleanup_fclose_
FILE *mf
= NULL
;
992 r
= sd_bus_message_enter_container(reply
, 'e', "sv");
994 return bus_log_parse_error(r
);
999 r
= sd_bus_message_read(reply
, "s", &name
);
1001 return bus_log_parse_error(r
);
1003 r
= sd_bus_message_enter_container(reply
, 'v', NULL
);
1005 return bus_log_parse_error(r
);
1007 mf
= open_memstream(&buf
, &sz
);
1011 (void) __fsetlocking(mf
, FSETLOCKING_BYCALLER
);
1013 r
= format_cmdline(reply
, mf
, false);
1015 return bus_log_parse_error(r
);
1017 mf
= safe_fclose(mf
);
1019 z
= set_get(members
, &((Member
) {
1021 .interface
= m
->interface
,
1022 .name
= (char*) name
}));
1024 free_and_replace(z
->value
, buf
);
1026 r
= sd_bus_message_exit_container(reply
);
1028 return bus_log_parse_error(r
);
1030 r
= sd_bus_message_exit_container(reply
);
1032 return bus_log_parse_error(r
);
1035 r
= sd_bus_message_exit_container(reply
);
1037 return bus_log_parse_error(r
);
1040 (void) pager_open(arg_pager_flags
);
1042 name_width
= STRLEN("NAME");
1043 type_width
= STRLEN("TYPE");
1044 signature_width
= STRLEN("SIGNATURE");
1045 result_width
= STRLEN("RESULT/VALUE");
1047 sorted
= newa(Member
*, set_size(members
));
1049 SET_FOREACH(m
, members
, i
) {
1051 if (argv
[3] && !streq(argv
[3], m
->interface
))
1055 name_width
= MAX(name_width
, strlen(m
->interface
));
1057 name_width
= MAX(name_width
, strlen(m
->name
) + 1);
1059 type_width
= MAX(type_width
, strlen(m
->type
));
1061 signature_width
= MAX(signature_width
, strlen(m
->signature
));
1063 result_width
= MAX(result_width
, strlen(m
->result
));
1065 result_width
= MAX(result_width
, strlen(m
->value
));
1070 if (result_width
> 40)
1073 typesafe_qsort(sorted
, k
, member_compare_funcp
);
1076 printf("%-*s %-*s %-*s %-*s %s\n",
1077 (int) name_width
, "NAME",
1078 (int) type_width
, "TYPE",
1079 (int) signature_width
, "SIGNATURE",
1080 (int) result_width
, "RESULT/VALUE",
1084 for (j
= 0; j
< k
; j
++) {
1085 _cleanup_free_
char *ellipsized
= NULL
;
1091 if (argv
[3] && !streq(argv
[3], m
->interface
))
1094 is_interface
= streq(m
->type
, "interface");
1096 if (argv
[3] && is_interface
)
1100 ellipsized
= ellipsize(m
->value
, result_width
, 100);
1106 rv
= empty_to_dash(m
->result
);
1108 printf("%s%s%-*s%s %-*s %-*s %-*s%s%s%s%s%s%s\n",
1109 is_interface
? ansi_highlight() : "",
1110 is_interface
? "" : ".",
1111 - !is_interface
+ (int) name_width
, empty_to_dash(streq_ptr(m
->type
, "interface") ? m
->interface
: m
->name
),
1112 is_interface
? ansi_normal() : "",
1113 (int) type_width
, empty_to_dash(m
->type
),
1114 (int) signature_width
, empty_to_dash(m
->signature
),
1115 (int) result_width
, rv
,
1116 (m
->flags
& SD_BUS_VTABLE_DEPRECATED
) ? " deprecated" : (m
->flags
|| m
->writable
? "" : " -"),
1117 (m
->flags
& SD_BUS_VTABLE_METHOD_NO_REPLY
) ? " no-reply" : "",
1118 (m
->flags
& SD_BUS_VTABLE_PROPERTY_CONST
) ? " const" : "",
1119 (m
->flags
& SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE
) ? " emits-change" : "",
1120 (m
->flags
& SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION
) ? " emits-invalidation" : "",
1121 m
->writable
? " writable" : "");
1127 static int message_dump(sd_bus_message
*m
, FILE *f
) {
1128 return bus_message_dump(m
, f
, BUS_MESSAGE_DUMP_WITH_HEADER
);
1131 static int message_pcap(sd_bus_message
*m
, FILE *f
) {
1132 return bus_message_pcap_frame(m
, arg_snaplen
, f
);
1135 static int message_json(sd_bus_message
*m
, FILE *f
) {
1136 _cleanup_(json_variant_unrefp
) JsonVariant
*v
= NULL
, *w
= NULL
;
1140 r
= json_transform_message(m
, &v
);
1144 e
[0] = m
->header
->endian
;
1147 r
= json_build(&w
, JSON_BUILD_OBJECT(
1148 JSON_BUILD_PAIR("type", JSON_BUILD_STRING(bus_message_type_to_string(m
->header
->type
))),
1149 JSON_BUILD_PAIR("endian", JSON_BUILD_STRING(e
)),
1150 JSON_BUILD_PAIR("flags", JSON_BUILD_INTEGER(m
->header
->flags
)),
1151 JSON_BUILD_PAIR("version", JSON_BUILD_INTEGER(m
->header
->version
)),
1152 JSON_BUILD_PAIR_CONDITION(m
->priority
!= 0, "priority", JSON_BUILD_INTEGER(m
->priority
)),
1153 JSON_BUILD_PAIR("cookie", JSON_BUILD_INTEGER(BUS_MESSAGE_COOKIE(m
))),
1154 JSON_BUILD_PAIR_CONDITION(m
->reply_cookie
!= 0, "reply_cookie", JSON_BUILD_INTEGER(m
->reply_cookie
)),
1155 JSON_BUILD_PAIR_CONDITION(m
->sender
, "sender", JSON_BUILD_STRING(m
->sender
)),
1156 JSON_BUILD_PAIR_CONDITION(m
->destination
, "destination", JSON_BUILD_STRING(m
->destination
)),
1157 JSON_BUILD_PAIR_CONDITION(m
->path
, "path", JSON_BUILD_STRING(m
->path
)),
1158 JSON_BUILD_PAIR_CONDITION(m
->interface
, "interface", JSON_BUILD_STRING(m
->interface
)),
1159 JSON_BUILD_PAIR_CONDITION(m
->member
, "member", JSON_BUILD_STRING(m
->member
)),
1160 JSON_BUILD_PAIR_CONDITION(m
->monotonic
!= 0, "monotonic", JSON_BUILD_INTEGER(m
->monotonic
)),
1161 JSON_BUILD_PAIR_CONDITION(m
->realtime
!= 0, "realtime", JSON_BUILD_INTEGER(m
->realtime
)),
1162 JSON_BUILD_PAIR_CONDITION(m
->seqnum
!= 0, "seqnum", JSON_BUILD_INTEGER(m
->seqnum
)),
1163 JSON_BUILD_PAIR_CONDITION(m
->error
.name
, "error_name", JSON_BUILD_STRING(m
->error
.name
)),
1164 JSON_BUILD_PAIR("payload", JSON_BUILD_VARIANT(v
))));
1166 return log_error_errno(r
, "Failed to build JSON object: %m");
1168 json_dump_with_flags(w
, f
);
1172 static int monitor(int argc
, char **argv
, int (*dump
)(sd_bus_message
*m
, FILE *f
)) {
1173 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
1174 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*message
= NULL
;
1175 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1178 const char *unique_name
;
1179 bool is_monitor
= false;
1182 r
= acquire_bus(true, &bus
);
1186 /* upgrade connection; it's not used for anything else after this call */
1187 r
= sd_bus_message_new_method_call(bus
, &message
, "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus.Monitoring", "BecomeMonitor");
1189 return bus_log_create_error(r
);
1191 r
= sd_bus_message_open_container(message
, 'a', "s");
1193 return bus_log_create_error(r
);
1195 STRV_FOREACH(i
, argv
+1) {
1196 _cleanup_free_
char *m
= NULL
;
1198 if (!service_name_is_valid(*i
)) {
1199 log_error("Invalid service name '%s'", *i
);
1203 m
= strjoin("sender='", *i
, "'");
1207 r
= sd_bus_message_append_basic(message
, 's', m
);
1209 return bus_log_create_error(r
);
1212 m
= strjoin("destination='", *i
, "'");
1216 r
= sd_bus_message_append_basic(message
, 's', m
);
1218 return bus_log_create_error(r
);
1221 STRV_FOREACH(i
, arg_matches
) {
1222 r
= sd_bus_message_append_basic(message
, 's', *i
);
1224 return bus_log_create_error(r
);
1227 r
= sd_bus_message_close_container(message
);
1229 return bus_log_create_error(r
);
1231 r
= sd_bus_message_append_basic(message
, 'u', &flags
);
1233 return bus_log_create_error(r
);
1235 r
= sd_bus_call(bus
, message
, arg_timeout
, &error
, NULL
);
1237 return log_error_errno(r
, "%s", bus_error_message(&error
, r
));
1239 r
= sd_bus_get_unique_name(bus
, &unique_name
);
1241 return log_error_errno(r
, "Failed to get unique name: %m");
1243 log_info("Monitoring bus message stream.");
1246 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
1248 r
= sd_bus_process(bus
, &m
);
1250 return log_error_errno(r
, "Failed to process bus: %m");
1255 /* wait until we lose our unique name */
1256 if (sd_bus_message_is_signal(m
, "org.freedesktop.DBus", "NameLost") <= 0)
1259 r
= sd_bus_message_read(m
, "s", &name
);
1261 return log_error_errno(r
, "Failed to read lost name: %m");
1263 if (streq(name
, unique_name
))
1273 if (sd_bus_message_is_signal(m
, "org.freedesktop.DBus.Local", "Disconnected") > 0) {
1274 log_info("Connection terminated, exiting.");
1284 r
= sd_bus_wait(bus
, (uint64_t) -1);
1286 return log_error_errno(r
, "Failed to wait for bus: %m");
1290 static int verb_monitor(int argc
, char **argv
, void *userdata
) {
1291 return monitor(argc
, argv
, arg_json
!= JSON_OFF
? message_json
: message_dump
);
1294 static int verb_capture(int argc
, char **argv
, void *userdata
) {
1297 if (isatty(fileno(stdout
)) > 0)
1298 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
1299 "Refusing to write message data to console, please redirect output to a file.");
1301 bus_pcap_header(arg_snaplen
, stdout
);
1303 r
= monitor(argc
, argv
, message_pcap
);
1307 r
= fflush_and_check(stdout
);
1309 return log_error_errno(r
, "Couldn't write capture file: %m");
1314 static int status(int argc
, char **argv
, void *userdata
) {
1315 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
1316 _cleanup_(sd_bus_creds_unrefp
) sd_bus_creds
*creds
= NULL
;
1320 r
= acquire_bus(false, &bus
);
1324 if (!isempty(argv
[1])) {
1325 r
= parse_pid(argv
[1], &pid
);
1327 r
= sd_bus_get_name_creds(
1330 (arg_augment_creds
? SD_BUS_CREDS_AUGMENT
: 0) | _SD_BUS_CREDS_ALL
,
1333 r
= sd_bus_creds_new_from_pid(
1338 const char *scope
, *address
;
1341 r
= sd_bus_get_address(bus
, &address
);
1343 printf("BusAddress=%s%s%s\n", ansi_highlight(), address
, ansi_normal());
1345 r
= sd_bus_get_scope(bus
, &scope
);
1347 printf("BusScope=%s%s%s\n", ansi_highlight(), scope
, ansi_normal());
1349 r
= sd_bus_get_bus_id(bus
, &bus_id
);
1351 printf("BusID=%s" SD_ID128_FORMAT_STR
"%s\n", ansi_highlight(), SD_ID128_FORMAT_VAL(bus_id
), ansi_normal());
1353 r
= sd_bus_get_owner_creds(
1355 (arg_augment_creds
? SD_BUS_CREDS_AUGMENT
: 0) | _SD_BUS_CREDS_ALL
,
1360 return log_error_errno(r
, "Failed to get credentials: %m");
1362 bus_creds_dump(creds
, NULL
, false);
1366 static int message_append_cmdline(sd_bus_message
*m
, const char *signature
, char ***x
) {
1386 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
1387 "Too few parameters for signature.");
1394 case SD_BUS_TYPE_BOOLEAN
:
1396 r
= parse_boolean(v
);
1398 return log_error_errno(r
, "Failed to parse '%s' as boolean: %m", v
);
1400 r
= sd_bus_message_append_basic(m
, t
, &r
);
1403 case SD_BUS_TYPE_BYTE
: {
1406 r
= safe_atou8(v
, &z
);
1408 return log_error_errno(r
, "Failed to parse '%s' as byte (unsigned 8bit integer): %m", v
);
1410 r
= sd_bus_message_append_basic(m
, t
, &z
);
1414 case SD_BUS_TYPE_INT16
: {
1417 r
= safe_atoi16(v
, &z
);
1419 return log_error_errno(r
, "Failed to parse '%s' as signed 16bit integer: %m", v
);
1421 r
= sd_bus_message_append_basic(m
, t
, &z
);
1425 case SD_BUS_TYPE_UINT16
: {
1428 r
= safe_atou16(v
, &z
);
1430 return log_error_errno(r
, "Failed to parse '%s' as unsigned 16bit integer: %m", v
);
1432 r
= sd_bus_message_append_basic(m
, t
, &z
);
1436 case SD_BUS_TYPE_INT32
: {
1439 r
= safe_atoi32(v
, &z
);
1441 return log_error_errno(r
, "Failed to parse '%s' as signed 32bit integer: %m", v
);
1443 r
= sd_bus_message_append_basic(m
, t
, &z
);
1447 case SD_BUS_TYPE_UINT32
: {
1450 r
= safe_atou32(v
, &z
);
1452 return log_error_errno(r
, "Failed to parse '%s' as unsigned 32bit integer: %m", v
);
1454 r
= sd_bus_message_append_basic(m
, t
, &z
);
1458 case SD_BUS_TYPE_INT64
: {
1461 r
= safe_atoi64(v
, &z
);
1463 return log_error_errno(r
, "Failed to parse '%s' as signed 64bit integer: %m", v
);
1465 r
= sd_bus_message_append_basic(m
, t
, &z
);
1469 case SD_BUS_TYPE_UINT64
: {
1472 r
= safe_atou64(v
, &z
);
1474 return log_error_errno(r
, "Failed to parse '%s' as unsigned 64bit integer: %m", v
);
1476 r
= sd_bus_message_append_basic(m
, t
, &z
);
1480 case SD_BUS_TYPE_DOUBLE
: {
1483 r
= safe_atod(v
, &z
);
1485 return log_error_errno(r
, "Failed to parse '%s' as double precision floating point: %m", v
);
1487 r
= sd_bus_message_append_basic(m
, t
, &z
);
1491 case SD_BUS_TYPE_STRING
:
1492 case SD_BUS_TYPE_OBJECT_PATH
:
1493 case SD_BUS_TYPE_SIGNATURE
:
1495 r
= sd_bus_message_append_basic(m
, t
, v
);
1498 case SD_BUS_TYPE_ARRAY
: {
1502 r
= safe_atou32(v
, &n
);
1504 return log_error_errno(r
, "Failed to parse '%s' number of array entries: %m", v
);
1506 r
= signature_element_length(signature
, &k
);
1508 return log_error_errno(r
, "Invalid array signature: %m");
1513 memcpy(s
, signature
, k
);
1516 r
= sd_bus_message_open_container(m
, SD_BUS_TYPE_ARRAY
, s
);
1518 return bus_log_create_error(r
);
1520 for (i
= 0; i
< n
; i
++) {
1521 r
= message_append_cmdline(m
, s
, &p
);
1529 r
= sd_bus_message_close_container(m
);
1533 case SD_BUS_TYPE_VARIANT
:
1534 r
= sd_bus_message_open_container(m
, SD_BUS_TYPE_VARIANT
, v
);
1536 return bus_log_create_error(r
);
1538 r
= message_append_cmdline(m
, v
, &p
);
1542 r
= sd_bus_message_close_container(m
);
1545 case SD_BUS_TYPE_STRUCT_BEGIN
:
1546 case SD_BUS_TYPE_DICT_ENTRY_BEGIN
: {
1552 r
= signature_element_length(signature
, &k
);
1554 return log_error_errno(r
, "Invalid struct/dict entry signature: %m");
1558 memcpy(s
, signature
+ 1, k
- 2);
1561 r
= sd_bus_message_open_container(m
, t
== SD_BUS_TYPE_STRUCT_BEGIN
? SD_BUS_TYPE_STRUCT
: SD_BUS_TYPE_DICT_ENTRY
, s
);
1563 return bus_log_create_error(r
);
1565 r
= message_append_cmdline(m
, s
, &p
);
1572 r
= sd_bus_message_close_container(m
);
1576 case SD_BUS_TYPE_UNIX_FD
:
1577 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
1578 "UNIX file descriptor not supported as type.");
1581 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
1582 "Unknown signature type %c.", t
);
1586 return bus_log_create_error(r
);
1593 static int json_transform_one(sd_bus_message
*m
, JsonVariant
**ret
);
1595 static int json_transform_array_or_struct(sd_bus_message
*m
, JsonVariant
**ret
) {
1596 size_t n_elements
= 0, n_allocated
= 0;
1597 JsonVariant
**elements
= NULL
;
1604 r
= sd_bus_message_at_end(m
, false);
1606 bus_log_parse_error(r
);
1612 if (!GREEDY_REALLOC(elements
, n_allocated
, n_elements
+ 1)) {
1617 r
= json_transform_one(m
, elements
+ n_elements
);
1624 r
= json_variant_new_array(ret
, elements
, n_elements
);
1627 json_variant_unref_many(elements
, n_elements
);
1633 static int json_transform_variant(sd_bus_message
*m
, const char *contents
, JsonVariant
**ret
) {
1634 _cleanup_(json_variant_unrefp
) JsonVariant
*value
= NULL
;
1641 r
= json_transform_one(m
, &value
);
1645 r
= json_build(ret
, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("type", JSON_BUILD_STRING(contents
)),
1646 JSON_BUILD_PAIR("data", JSON_BUILD_VARIANT(value
))));
1653 static int json_transform_dict_array(sd_bus_message
*m
, JsonVariant
**ret
) {
1654 size_t n_elements
= 0, n_allocated
= 0;
1655 JsonVariant
**elements
= NULL
;
1662 const char *contents
;
1665 r
= sd_bus_message_at_end(m
, false);
1667 bus_log_parse_error(r
);
1673 r
= sd_bus_message_peek_type(m
, &type
, &contents
);
1677 assert(type
== 'e');
1679 if (!GREEDY_REALLOC(elements
, n_allocated
, n_elements
+ 2)) {
1684 r
= sd_bus_message_enter_container(m
, type
, contents
);
1686 bus_log_parse_error(r
);
1690 r
= json_transform_one(m
, elements
+ n_elements
);
1696 r
= json_transform_one(m
, elements
+ n_elements
);
1702 r
= sd_bus_message_exit_container(m
);
1704 bus_log_parse_error(r
);
1709 r
= json_variant_new_object(ret
, elements
, n_elements
);
1712 json_variant_unref_many(elements
, n_elements
);
1718 static int json_transform_one(sd_bus_message
*m
, JsonVariant
**ret
) {
1719 _cleanup_(json_variant_unrefp
) JsonVariant
*v
= NULL
;
1720 const char *contents
;
1727 r
= sd_bus_message_peek_type(m
, &type
, &contents
);
1729 return bus_log_parse_error(r
);
1733 case SD_BUS_TYPE_BYTE
: {
1736 r
= sd_bus_message_read_basic(m
, type
, &b
);
1738 return bus_log_parse_error(r
);
1740 r
= json_variant_new_unsigned(&v
, b
);
1742 return log_error_errno(r
, "Failed to transform byte: %m");
1747 case SD_BUS_TYPE_BOOLEAN
: {
1750 r
= sd_bus_message_read_basic(m
, type
, &b
);
1752 return bus_log_parse_error(r
);
1754 r
= json_variant_new_boolean(&v
, b
);
1756 return log_error_errno(r
, "Failed to transform boolean: %m");
1761 case SD_BUS_TYPE_INT16
: {
1764 r
= sd_bus_message_read_basic(m
, type
, &b
);
1766 return bus_log_parse_error(r
);
1768 r
= json_variant_new_integer(&v
, b
);
1770 return log_error_errno(r
, "Failed to transform int16: %m");
1775 case SD_BUS_TYPE_UINT16
: {
1778 r
= sd_bus_message_read_basic(m
, type
, &b
);
1780 return bus_log_parse_error(r
);
1782 r
= json_variant_new_unsigned(&v
, b
);
1784 return log_error_errno(r
, "Failed to transform uint16: %m");
1789 case SD_BUS_TYPE_INT32
: {
1792 r
= sd_bus_message_read_basic(m
, type
, &b
);
1794 return bus_log_parse_error(r
);
1796 r
= json_variant_new_integer(&v
, b
);
1798 return log_error_errno(r
, "Failed to transform int32: %m");
1803 case SD_BUS_TYPE_UINT32
: {
1806 r
= sd_bus_message_read_basic(m
, type
, &b
);
1808 return bus_log_parse_error(r
);
1810 r
= json_variant_new_unsigned(&v
, b
);
1812 return log_error_errno(r
, "Failed to transform uint32: %m");
1817 case SD_BUS_TYPE_INT64
: {
1820 r
= sd_bus_message_read_basic(m
, type
, &b
);
1822 return bus_log_parse_error(r
);
1824 r
= json_variant_new_integer(&v
, b
);
1826 return log_error_errno(r
, "Failed to transform int64: %m");
1831 case SD_BUS_TYPE_UINT64
: {
1834 r
= sd_bus_message_read_basic(m
, type
, &b
);
1836 return bus_log_parse_error(r
);
1838 r
= json_variant_new_unsigned(&v
, b
);
1840 return log_error_errno(r
, "Failed to transform uint64: %m");
1845 case SD_BUS_TYPE_DOUBLE
: {
1848 r
= sd_bus_message_read_basic(m
, type
, &d
);
1850 return bus_log_parse_error(r
);
1852 r
= json_variant_new_real(&v
, d
);
1854 return log_error_errno(r
, "Failed to transform double: %m");
1859 case SD_BUS_TYPE_STRING
:
1860 case SD_BUS_TYPE_OBJECT_PATH
:
1861 case SD_BUS_TYPE_SIGNATURE
: {
1864 r
= sd_bus_message_read_basic(m
, type
, &s
);
1866 return bus_log_parse_error(r
);
1868 r
= json_variant_new_string(&v
, s
);
1870 return log_error_errno(r
, "Failed to transform double: %m");
1875 case SD_BUS_TYPE_UNIX_FD
:
1876 r
= sd_bus_message_read_basic(m
, type
, NULL
);
1878 return bus_log_parse_error(r
);
1880 r
= json_variant_new_null(&v
);
1882 return log_error_errno(r
, "Failed to transform fd: %m");
1886 case SD_BUS_TYPE_ARRAY
:
1887 case SD_BUS_TYPE_VARIANT
:
1888 case SD_BUS_TYPE_STRUCT
:
1889 r
= sd_bus_message_enter_container(m
, type
, contents
);
1891 return bus_log_parse_error(r
);
1893 if (type
== SD_BUS_TYPE_VARIANT
)
1894 r
= json_transform_variant(m
, contents
, &v
);
1895 else if (type
== SD_BUS_TYPE_ARRAY
&& contents
[0] == '{')
1896 r
= json_transform_dict_array(m
, &v
);
1898 r
= json_transform_array_or_struct(m
, &v
);
1902 r
= sd_bus_message_exit_container(m
);
1904 return bus_log_parse_error(r
);
1909 assert_not_reached("Unexpected element type");
1916 static int json_transform_message(sd_bus_message
*m
, JsonVariant
**ret
) {
1917 _cleanup_(json_variant_unrefp
) JsonVariant
*v
= NULL
;
1924 assert_se(type
= sd_bus_message_get_signature(m
, false));
1926 r
= json_transform_array_or_struct(m
, &v
);
1930 r
= json_build(ret
, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("type", JSON_BUILD_STRING(type
)),
1931 JSON_BUILD_PAIR("data", JSON_BUILD_VARIANT(v
))));
1938 static void json_dump_with_flags(JsonVariant
*v
, FILE *f
) {
1940 json_variant_dump(v
,
1941 (arg_json
== JSON_PRETTY
? JSON_FORMAT_PRETTY
: JSON_FORMAT_NEWLINE
) |
1942 JSON_FORMAT_COLOR_AUTO
,
1946 static int call(int argc
, char **argv
, void *userdata
) {
1947 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
1948 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
1949 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
, *reply
= NULL
;
1952 r
= acquire_bus(false, &bus
);
1956 r
= sd_bus_message_new_method_call(bus
, &m
, argv
[1], argv
[2], argv
[3], argv
[4]);
1958 return bus_log_create_error(r
);
1960 r
= sd_bus_message_set_expect_reply(m
, arg_expect_reply
);
1962 return bus_log_create_error(r
);
1964 r
= sd_bus_message_set_auto_start(m
, arg_auto_start
);
1966 return bus_log_create_error(r
);
1968 r
= sd_bus_message_set_allow_interactive_authorization(m
, arg_allow_interactive_authorization
);
1970 return bus_log_create_error(r
);
1972 if (!isempty(argv
[5])) {
1977 r
= message_append_cmdline(m
, argv
[5], &p
);
1982 log_error("Too many parameters for signature.");
1987 if (!arg_expect_reply
) {
1988 r
= sd_bus_send(bus
, m
, NULL
);
1990 return log_error_errno(r
, "Failed to send message: %m");
1995 r
= sd_bus_call(bus
, m
, arg_timeout
, &error
, &reply
);
1997 return log_error_errno(r
, "%s", bus_error_message(&error
, r
));
1999 r
= sd_bus_message_is_empty(reply
);
2001 return bus_log_parse_error(r
);
2003 if (r
== 0 && !arg_quiet
) {
2005 if (arg_json
!= JSON_OFF
) {
2006 _cleanup_(json_variant_unrefp
) JsonVariant
*v
= NULL
;
2008 if (arg_json
!= JSON_SHORT
)
2009 (void) pager_open(arg_pager_flags
);
2011 r
= json_transform_message(reply
, &v
);
2015 json_dump_with_flags(v
, stdout
);
2017 } else if (arg_verbose
) {
2018 (void) pager_open(arg_pager_flags
);
2020 r
= bus_message_dump(reply
, stdout
, 0);
2025 fputs(sd_bus_message_get_signature(reply
, true), stdout
);
2028 r
= format_cmdline(reply
, stdout
, false);
2030 return bus_log_parse_error(r
);
2032 fputc('\n', stdout
);
2039 static int get_property(int argc
, char **argv
, void *userdata
) {
2040 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
2041 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2045 r
= acquire_bus(false, &bus
);
2049 STRV_FOREACH(i
, argv
+ 4) {
2050 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*reply
= NULL
;
2051 const char *contents
= NULL
;
2054 r
= sd_bus_call_method(bus
, argv
[1], argv
[2], "org.freedesktop.DBus.Properties", "Get", &error
, &reply
, "ss", argv
[3], *i
);
2056 return log_error_errno(r
, "%s", bus_error_message(&error
, r
));
2058 r
= sd_bus_message_peek_type(reply
, &type
, &contents
);
2060 return bus_log_parse_error(r
);
2062 r
= sd_bus_message_enter_container(reply
, 'v', contents
);
2064 return bus_log_parse_error(r
);
2066 if (arg_json
!= JSON_OFF
) {
2067 _cleanup_(json_variant_unrefp
) JsonVariant
*v
= NULL
;
2069 if (arg_json
!= JSON_SHORT
)
2070 (void) pager_open(arg_pager_flags
);
2072 r
= json_transform_variant(reply
, contents
, &v
);
2076 json_dump_with_flags(v
, stdout
);
2078 } else if (arg_verbose
) {
2079 (void) pager_open(arg_pager_flags
);
2081 r
= bus_message_dump(reply
, stdout
, BUS_MESSAGE_DUMP_SUBTREE_ONLY
);
2085 fputs(contents
, stdout
);
2088 r
= format_cmdline(reply
, stdout
, false);
2090 return bus_log_parse_error(r
);
2092 fputc('\n', stdout
);
2095 r
= sd_bus_message_exit_container(reply
);
2097 return bus_log_parse_error(r
);
2103 static int set_property(int argc
, char **argv
, void *userdata
) {
2104 _cleanup_(sd_bus_flush_close_unrefp
) sd_bus
*bus
= NULL
;
2105 _cleanup_(sd_bus_message_unrefp
) sd_bus_message
*m
= NULL
;
2106 _cleanup_(sd_bus_error_free
) sd_bus_error error
= SD_BUS_ERROR_NULL
;
2110 r
= acquire_bus(false, &bus
);
2114 r
= sd_bus_message_new_method_call(bus
, &m
, argv
[1], argv
[2], "org.freedesktop.DBus.Properties", "Set");
2116 return bus_log_create_error(r
);
2118 r
= sd_bus_message_append(m
, "ss", argv
[3], argv
[4]);
2120 return bus_log_create_error(r
);
2122 r
= sd_bus_message_open_container(m
, 'v', argv
[5]);
2124 return bus_log_create_error(r
);
2127 r
= message_append_cmdline(m
, argv
[5], &p
);
2131 r
= sd_bus_message_close_container(m
);
2133 return bus_log_create_error(r
);
2136 log_error("Too many parameters for signature.");
2140 r
= sd_bus_call(bus
, m
, arg_timeout
, &error
, NULL
);
2142 return log_error_errno(r
, "%s", bus_error_message(&error
, r
));
2147 static int help(void) {
2148 _cleanup_free_
char *link
= NULL
;
2151 r
= terminal_urlify_man("busctl", "1", &link
);
2155 printf("%s [OPTIONS...] {COMMAND} ...\n\n"
2156 "Introspect the bus.\n\n"
2157 " -h --help Show this help\n"
2158 " --version Show package version\n"
2159 " --no-pager Do not pipe output into a pager\n"
2160 " --no-legend Do not show the headers and footers\n"
2161 " --system Connect to system bus\n"
2162 " --user Connect to user bus\n"
2163 " -H --host=[USER@]HOST Operate on remote host\n"
2164 " -M --machine=CONTAINER Operate on local container\n"
2165 " --address=ADDRESS Connect to bus specified by address\n"
2166 " --show-machine Show machine ID column in list\n"
2167 " --unique Only show unique names\n"
2168 " --acquired Only show acquired names\n"
2169 " --activatable Only show activatable names\n"
2170 " --match=MATCH Only show matching messages\n"
2171 " --size=SIZE Maximum length of captured packet\n"
2172 " --list Don't show tree, but simple object path list\n"
2173 " -q --quiet Don't show method call reply\n"
2174 " --verbose Show result values in long format\n"
2175 " --json=MODE Output as JSON\n"
2176 " -j Same as --json=pretty on tty, --json=short otherwise\n"
2177 " --expect-reply=BOOL Expect a method call reply\n"
2178 " --auto-start=BOOL Auto-start destination service\n"
2179 " --allow-interactive-authorization=BOOL\n"
2180 " Allow interactive authorization for operation\n"
2181 " --timeout=SECS Maximum time to wait for method call completion\n"
2182 " --augment-creds=BOOL Extend credential data with data read from /proc/$PID\n"
2183 " --watch-bind=BOOL Wait for bus AF_UNIX socket to be bound in the file\n"
2186 " list List bus names\n"
2187 " status [SERVICE] Show bus service, process or bus owner credentials\n"
2188 " monitor [SERVICE...] Show bus traffic\n"
2189 " capture [SERVICE...] Capture bus traffic as pcap\n"
2190 " tree [SERVICE...] Show object tree of service\n"
2191 " introspect SERVICE OBJECT [INTERFACE]\n"
2192 " call SERVICE OBJECT INTERFACE METHOD [SIGNATURE [ARGUMENT...]]\n"
2194 " get-property SERVICE OBJECT INTERFACE PROPERTY...\n"
2195 " Get property value\n"
2196 " set-property SERVICE OBJECT INTERFACE PROPERTY SIGNATURE ARGUMENT...\n"
2197 " Set property value\n"
2198 " help Show this help\n"
2199 "\nSee the %s for details.\n"
2200 , program_invocation_short_name
2207 static int verb_help(int argc
, char **argv
, void *userdata
) {
2211 static int parse_argv(int argc
, char *argv
[]) {
2214 ARG_VERSION
= 0x100,
2230 ARG_ALLOW_INTERACTIVE_AUTHORIZATION
,
2237 static const struct option options
[] = {
2238 { "help", no_argument
, NULL
, 'h' },
2239 { "version", no_argument
, NULL
, ARG_VERSION
},
2240 { "no-pager", no_argument
, NULL
, ARG_NO_PAGER
},
2241 { "no-legend", no_argument
, NULL
, ARG_NO_LEGEND
},
2242 { "system", no_argument
, NULL
, ARG_SYSTEM
},
2243 { "user", no_argument
, NULL
, ARG_USER
},
2244 { "address", required_argument
, NULL
, ARG_ADDRESS
},
2245 { "show-machine", no_argument
, NULL
, ARG_SHOW_MACHINE
},
2246 { "unique", no_argument
, NULL
, ARG_UNIQUE
},
2247 { "acquired", no_argument
, NULL
, ARG_ACQUIRED
},
2248 { "activatable", no_argument
, NULL
, ARG_ACTIVATABLE
},
2249 { "match", required_argument
, NULL
, ARG_MATCH
},
2250 { "host", required_argument
, NULL
, 'H' },
2251 { "machine", required_argument
, NULL
, 'M' },
2252 { "size", required_argument
, NULL
, ARG_SIZE
},
2253 { "list", no_argument
, NULL
, ARG_LIST
},
2254 { "quiet", no_argument
, NULL
, 'q' },
2255 { "verbose", no_argument
, NULL
, ARG_VERBOSE
},
2256 { "expect-reply", required_argument
, NULL
, ARG_EXPECT_REPLY
},
2257 { "auto-start", required_argument
, NULL
, ARG_AUTO_START
},
2258 { "allow-interactive-authorization", required_argument
, NULL
, ARG_ALLOW_INTERACTIVE_AUTHORIZATION
},
2259 { "timeout", required_argument
, NULL
, ARG_TIMEOUT
},
2260 { "augment-creds", required_argument
, NULL
, ARG_AUGMENT_CREDS
},
2261 { "watch-bind", required_argument
, NULL
, ARG_WATCH_BIND
},
2262 { "json", required_argument
, NULL
, ARG_JSON
},
2271 while ((c
= getopt_long(argc
, argv
, "hH:M:qj", options
, NULL
)) >= 0)
2282 arg_pager_flags
|= PAGER_DISABLE
;
2298 arg_address
= optarg
;
2301 case ARG_SHOW_MACHINE
:
2302 arg_show_machine
= true;
2310 arg_acquired
= true;
2313 case ARG_ACTIVATABLE
:
2314 arg_activatable
= true;
2318 if (strv_extend(&arg_matches
, optarg
) < 0)
2325 r
= parse_size(optarg
, 1024, &sz
);
2327 return log_error_errno(r
, "Failed to parse size '%s': %m", optarg
);
2329 if ((uint64_t) (size_t) sz
!= sz
)
2330 return log_error_errno(SYNTHETIC_ERRNO(E2BIG
),
2331 "Size out of range.");
2333 arg_snaplen
= (size_t) sz
;
2342 arg_transport
= BUS_TRANSPORT_REMOTE
;
2347 arg_transport
= BUS_TRANSPORT_MACHINE
;
2359 case ARG_EXPECT_REPLY
:
2360 r
= parse_boolean(optarg
);
2362 return log_error_errno(r
, "Failed to parse --expect-reply= parameter '%s': %m", optarg
);
2364 arg_expect_reply
= r
;
2367 case ARG_AUTO_START
:
2368 r
= parse_boolean(optarg
);
2370 return log_error_errno(r
, "Failed to parse --auto-start= parameter '%s': %m", optarg
);
2375 case ARG_ALLOW_INTERACTIVE_AUTHORIZATION
:
2376 r
= parse_boolean(optarg
);
2378 return log_error_errno(r
, "Failed to parse --allow-interactive-authorization= parameter '%s': %m", optarg
);
2380 arg_allow_interactive_authorization
= r
;
2384 r
= parse_sec(optarg
, &arg_timeout
);
2386 return log_error_errno(r
, "Failed to parse --timeout= parameter '%s': %m", optarg
);
2390 case ARG_AUGMENT_CREDS
:
2391 r
= parse_boolean(optarg
);
2393 return log_error_errno(r
, "Failed to parse --augment-creds= parameter '%s': %m", optarg
);
2395 arg_augment_creds
= r
;
2398 case ARG_WATCH_BIND
:
2399 r
= parse_boolean(optarg
);
2401 return log_error_errno(r
, "Failed to parse --watch-bind= parameter '%s': %m", optarg
);
2408 arg_json
= JSON_PRETTY
;
2410 arg_json
= JSON_SHORT
;
2414 if (streq(optarg
, "short"))
2415 arg_json
= JSON_SHORT
;
2416 else if (streq(optarg
, "pretty"))
2417 arg_json
= JSON_PRETTY
;
2418 else if (streq(optarg
, "help")) {
2420 "pretty\n", stdout
);
2423 return log_error_errno(SYNTHETIC_ERRNO(EINVAL
),
2424 "Unknown JSON out mode: %s",
2433 assert_not_reached("Unhandled option");
2439 static int busctl_main(int argc
, char *argv
[]) {
2441 static const Verb verbs
[] = {
2442 { "list", VERB_ANY
, 1, VERB_DEFAULT
, list_bus_names
},
2443 { "status", VERB_ANY
, 2, 0, status
},
2444 { "monitor", VERB_ANY
, VERB_ANY
, 0, verb_monitor
},
2445 { "capture", VERB_ANY
, VERB_ANY
, 0, verb_capture
},
2446 { "tree", VERB_ANY
, VERB_ANY
, 0, tree
},
2447 { "introspect", 3, 4, 0, introspect
},
2448 { "call", 5, VERB_ANY
, 0, call
},
2449 { "get-property", 5, VERB_ANY
, 0, get_property
},
2450 { "set-property", 6, VERB_ANY
, 0, set_property
},
2451 { "help", VERB_ANY
, VERB_ANY
, 0, verb_help
},
2455 return dispatch_verb(argc
, argv
, verbs
, NULL
);
2458 static int run(int argc
, char *argv
[]) {
2461 log_parse_environment();
2464 r
= parse_argv(argc
, argv
);
2468 return busctl_main(argc
, argv
);
2471 DEFINE_MAIN_FUNCTION(run
);