2586 lines
89 KiB
C
2586 lines
89 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <getopt.h>
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#include "sd-bus.h"
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#include "alloc-util.h"
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#include "bus-dump.h"
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#include "bus-internal.h"
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#include "bus-message.h"
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#include "bus-signature.h"
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#include "bus-type.h"
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#include "bus-util.h"
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#include "busctl-introspect.h"
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#include "escape.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "format-table.h"
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#include "json.h"
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#include "locale-util.h"
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#include "log.h"
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#include "main-func.h"
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#include "pager.h"
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#include "parse-util.h"
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#include "path-util.h"
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#include "pretty-print.h"
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#include "set.h"
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#include "sort-util.h"
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#include "strv.h"
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#include "terminal-util.h"
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#include "user-util.h"
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#include "verbs.h"
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static JsonFormatFlags arg_json_format_flags = JSON_FORMAT_OFF;
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static PagerFlags arg_pager_flags = 0;
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static bool arg_legend = true;
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static bool arg_full = false;
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static const char *arg_address = NULL;
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static bool arg_unique = false;
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static bool arg_acquired = false;
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static bool arg_activatable = false;
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static bool arg_show_machine = false;
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static char **arg_matches = NULL;
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static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
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static const char *arg_host = NULL;
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static bool arg_user = false;
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static size_t arg_snaplen = 4096;
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static bool arg_list = false;
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static bool arg_quiet = false;
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static bool arg_verbose = false;
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static bool arg_xml_interface = false;
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static bool arg_expect_reply = true;
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static bool arg_auto_start = true;
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static bool arg_allow_interactive_authorization = true;
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static bool arg_augment_creds = true;
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static bool arg_watch_bind = false;
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static usec_t arg_timeout = 0;
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static const char *arg_destination = NULL;
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STATIC_DESTRUCTOR_REGISTER(arg_matches, strv_freep);
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#define NAME_IS_ACQUIRED INT_TO_PTR(1)
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#define NAME_IS_ACTIVATABLE INT_TO_PTR(2)
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static int json_transform_message(sd_bus_message *m, JsonVariant **ret);
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static int acquire_bus(bool set_monitor, sd_bus **ret) {
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_cleanup_(sd_bus_close_unrefp) sd_bus *bus = NULL;
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int r;
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r = sd_bus_new(&bus);
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if (r < 0)
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return log_error_errno(r, "Failed to allocate bus: %m");
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if (set_monitor) {
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r = sd_bus_set_monitor(bus, true);
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if (r < 0)
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return log_error_errno(r, "Failed to set monitor mode: %m");
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r = sd_bus_negotiate_creds(bus, true, _SD_BUS_CREDS_ALL);
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if (r < 0)
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return log_error_errno(r, "Failed to enable credentials: %m");
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r = sd_bus_negotiate_timestamp(bus, true);
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if (r < 0)
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return log_error_errno(r, "Failed to enable timestamps: %m");
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r = sd_bus_negotiate_fds(bus, true);
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if (r < 0)
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return log_error_errno(r, "Failed to enable fds: %m");
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}
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r = sd_bus_set_bus_client(bus, true);
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if (r < 0)
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return log_error_errno(r, "Failed to set bus client: %m");
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r = sd_bus_set_watch_bind(bus, arg_watch_bind);
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if (r < 0)
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return log_error_errno(r, "Failed to set watch-bind setting to '%s': %m",
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yes_no(arg_watch_bind));
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if (arg_address)
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r = sd_bus_set_address(bus, arg_address);
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else {
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switch (arg_transport) {
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case BUS_TRANSPORT_LOCAL:
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if (arg_user)
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r = bus_set_address_user(bus);
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else
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r = bus_set_address_system(bus);
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break;
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case BUS_TRANSPORT_REMOTE:
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r = bus_set_address_system_remote(bus, arg_host);
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break;
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case BUS_TRANSPORT_MACHINE:
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r = bus_set_address_machine(bus, arg_user, arg_host);
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break;
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default:
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assert_not_reached("Hmm, unknown transport type.");
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}
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}
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if (r < 0)
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return bus_log_address_error(r);
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r = sd_bus_start(bus);
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if (r < 0)
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return bus_log_connect_error(r);
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*ret = TAKE_PTR(bus);
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return 0;
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}
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static int list_bus_names(int argc, char **argv, void *userdata) {
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_cleanup_strv_free_ char **acquired = NULL, **activatable = NULL;
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_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
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_cleanup_hashmap_free_ Hashmap *names = NULL;
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_cleanup_(table_unrefp) Table *table = NULL;
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char **i, *k;
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void *v;
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int r;
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enum {
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COLUMN_ACTIVATABLE,
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COLUMN_NAME,
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COLUMN_PID,
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COLUMN_PROCESS,
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COLUMN_USER,
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COLUMN_CONNECTION,
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COLUMN_UNIT,
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COLUMN_SESSION,
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COLUMN_DESCRIPTION,
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COLUMN_MACHINE,
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};
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if (!arg_unique && !arg_acquired && !arg_activatable)
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arg_unique = arg_acquired = arg_activatable = true;
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r = acquire_bus(false, &bus);
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if (r < 0)
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return r;
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r = sd_bus_list_names(bus,
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(arg_acquired || arg_unique) ? &acquired : NULL,
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arg_activatable ? &activatable : NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to list names: %m");
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names = hashmap_new(&string_hash_ops);
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if (!names)
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return log_oom();
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STRV_FOREACH(i, acquired) {
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r = hashmap_put(names, *i, NAME_IS_ACQUIRED);
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if (r < 0)
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return log_error_errno(r, "Failed to add to hashmap: %m");
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}
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STRV_FOREACH(i, activatable) {
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r = hashmap_put(names, *i, NAME_IS_ACTIVATABLE);
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if (r < 0 && r != -EEXIST)
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return log_error_errno(r, "Failed to add to hashmap: %m");
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}
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table = table_new("activatable",
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"name",
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"pid",
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"process",
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"user",
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"connection",
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"unit",
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"session",
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"description",
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"machine");
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if (!table)
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return log_oom();
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if (arg_full)
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table_set_width(table, 0);
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r = table_set_align_percent(table, table_get_cell(table, 0, COLUMN_PID), 100);
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if (r < 0)
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return log_error_errno(r, "Failed to set alignment: %m");
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r = table_set_empty_string(table, "-");
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if (r < 0)
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return log_error_errno(r, "Failed to set empty string: %m");
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r = table_set_sort(table, (size_t) COLUMN_NAME, (size_t) -1);
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if (r < 0)
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return log_error_errno(r, "Failed to set sort column: %m");
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if (arg_show_machine)
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r = table_set_display(table, (size_t) COLUMN_NAME,
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(size_t) COLUMN_PID,
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(size_t) COLUMN_PROCESS,
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(size_t) COLUMN_USER,
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(size_t) COLUMN_CONNECTION,
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(size_t) COLUMN_UNIT,
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(size_t) COLUMN_SESSION,
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(size_t) COLUMN_DESCRIPTION,
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(size_t) COLUMN_MACHINE,
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(size_t) -1);
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else
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r = table_set_display(table, (size_t) COLUMN_NAME,
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(size_t) COLUMN_PID,
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(size_t) COLUMN_PROCESS,
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(size_t) COLUMN_USER,
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(size_t) COLUMN_CONNECTION,
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(size_t) COLUMN_UNIT,
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(size_t) COLUMN_SESSION,
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(size_t) COLUMN_DESCRIPTION,
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(size_t) -1);
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if (r < 0)
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return log_error_errno(r, "Failed to set columns to display: %m");
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table_set_header(table, arg_legend);
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HASHMAP_FOREACH_KEY(v, k, names) {
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_cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
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if (v == NAME_IS_ACTIVATABLE) {
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r = table_add_many(
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table,
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TABLE_INT, PTR_TO_INT(v),
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TABLE_STRING, k,
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TABLE_EMPTY,
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TABLE_EMPTY,
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TABLE_EMPTY,
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TABLE_STRING, "(activatable)", TABLE_SET_COLOR, ansi_grey(),
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TABLE_EMPTY,
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TABLE_EMPTY,
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TABLE_EMPTY,
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TABLE_EMPTY);
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if (r < 0)
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return table_log_add_error(r);
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continue;
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}
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assert(v == NAME_IS_ACQUIRED);
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if (!arg_unique && k[0] == ':')
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continue;
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if (!arg_acquired && k[0] != ':')
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continue;
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r = table_add_many(table,
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TABLE_INT, PTR_TO_INT(v),
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TABLE_STRING, k);
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if (r < 0)
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return table_log_add_error(r);
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r = sd_bus_get_name_creds(
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bus, k,
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(arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) |
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SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID|SD_BUS_CREDS_COMM|
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SD_BUS_CREDS_UNIQUE_NAME|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_SESSION|
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SD_BUS_CREDS_DESCRIPTION, &creds);
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if (r < 0) {
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log_debug_errno(r, "Failed to acquire credentials of service %s, ignoring: %m", k);
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r = table_fill_empty(table, COLUMN_MACHINE);
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} else {
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const char *unique = NULL, *session = NULL, *unit = NULL, *cn = NULL;
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pid_t pid;
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uid_t uid;
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r = sd_bus_creds_get_pid(creds, &pid);
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if (r >= 0) {
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const char *comm = NULL;
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(void) sd_bus_creds_get_comm(creds, &comm);
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r = table_add_many(table,
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TABLE_PID, pid,
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TABLE_STRING, strna(comm));
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} else
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r = table_add_many(table, TABLE_EMPTY, TABLE_EMPTY);
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if (r < 0)
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return table_log_add_error(r);
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r = sd_bus_creds_get_euid(creds, &uid);
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if (r >= 0) {
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_cleanup_free_ char *u = NULL;
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u = uid_to_name(uid);
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if (!u)
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return log_oom();
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r = table_add_cell(table, NULL, TABLE_STRING, u);
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} else
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r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
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if (r < 0)
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return table_log_add_error(r);
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(void) sd_bus_creds_get_unique_name(creds, &unique);
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(void) sd_bus_creds_get_unit(creds, &unit);
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(void) sd_bus_creds_get_session(creds, &session);
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(void) sd_bus_creds_get_description(creds, &cn);
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r = table_add_many(
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table,
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TABLE_STRING, unique,
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TABLE_STRING, unit,
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TABLE_STRING, session,
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TABLE_STRING, cn);
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}
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if (r < 0)
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return table_log_add_error(r);
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if (arg_show_machine) {
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sd_id128_t mid;
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r = sd_bus_get_name_machine_id(bus, k, &mid);
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if (r < 0)
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log_debug_errno(r, "Failed to acquire credentials of service %s, ignoring: %m", k);
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else {
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char m[SD_ID128_STRING_MAX];
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r = table_add_cell(table, NULL, TABLE_STRING, sd_id128_to_string(mid, m));
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if (r < 0)
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return table_log_add_error(r);
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continue; /* line fully filled, no need to fill the remainder below */
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}
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}
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r = table_fill_empty(table, 0);
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if (r < 0)
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return log_error_errno(r, "Failed to fill line: %m");
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}
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if (arg_json_format_flags & (JSON_FORMAT_OFF|JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
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(void) pager_open(arg_pager_flags);
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r = table_print_json(table, NULL, arg_json_format_flags);
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if (r < 0)
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return table_log_print_error(r);
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return 0;
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}
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static void print_subtree(const char *prefix, const char *path, char **l) {
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const char *vertical, *space;
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char **n;
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/* We assume the list is sorted. Let's first skip over the
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* entry we are looking at. */
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for (;;) {
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if (!*l)
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return;
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if (!streq(*l, path))
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break;
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l++;
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}
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vertical = strjoina(prefix, special_glyph(SPECIAL_GLYPH_TREE_VERTICAL));
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space = strjoina(prefix, special_glyph(SPECIAL_GLYPH_TREE_SPACE));
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for (;;) {
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bool has_more = false;
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if (!*l || !path_startswith(*l, path))
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break;
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n = l + 1;
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for (;;) {
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if (!*n || !path_startswith(*n, path))
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break;
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if (!path_startswith(*n, *l)) {
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has_more = true;
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break;
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}
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n++;
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}
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printf("%s%s%s\n",
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prefix,
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special_glyph(has_more ? SPECIAL_GLYPH_TREE_BRANCH : SPECIAL_GLYPH_TREE_RIGHT),
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*l);
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print_subtree(has_more ? vertical : space, *l, l);
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l = n;
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}
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}
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static void print_tree(char **l) {
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if (arg_list)
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strv_print(l);
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else if (strv_isempty(l))
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printf("No objects discovered.\n");
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else if (streq(l[0], "/") && !l[1])
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printf("Only root object discovered.\n");
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else
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print_subtree("", "/", l);
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}
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static int on_path(const char *path, void *userdata) {
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Set *paths = userdata;
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int r;
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assert(paths);
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r = set_put_strdup(&paths, path);
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if (r < 0)
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return log_oom();
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return 0;
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}
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static int find_nodes(sd_bus *bus, const char *service, const char *path, Set *paths) {
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static const XMLIntrospectOps ops = {
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.on_path = on_path,
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};
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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const char *xml;
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int r;
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r = sd_bus_call_method(bus, service, path,
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"org.freedesktop.DBus.Introspectable", "Introspect",
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&error, &reply, "");
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if (r < 0) {
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printf("%sFailed to introspect object %s of service %s: %s%s\n",
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ansi_highlight_red(),
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path, service, bus_error_message(&error, r),
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ansi_normal());
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return r;
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}
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r = sd_bus_message_read(reply, "s", &xml);
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if (r < 0)
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return bus_log_parse_error(r);
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return parse_xml_introspect(path, xml, &ops, paths);
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}
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static int tree_one(sd_bus *bus, const char *service) {
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_cleanup_set_free_ Set *paths = NULL, *done = NULL, *failed = NULL;
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_cleanup_free_ char **l = NULL;
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int r;
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r = set_put_strdup(&paths, "/");
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if (r < 0)
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return log_oom();
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done = set_new(&string_hash_ops_free);
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if (!done)
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return log_oom();
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failed = set_new(&string_hash_ops_free);
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if (!failed)
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return log_oom();
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for (;;) {
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_cleanup_free_ char *p = NULL;
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int q;
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p = set_steal_first(paths);
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if (!p)
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break;
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if (set_contains(done, p) ||
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set_contains(failed, p))
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continue;
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q = find_nodes(bus, service, p, paths);
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if (q < 0 && r >= 0)
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r = q;
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q = set_consume(q < 0 ? failed : done, TAKE_PTR(p));
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assert(q != 0);
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if (q < 0)
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return log_oom();
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}
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(void) pager_open(arg_pager_flags);
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l = set_get_strv(done);
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if (!l)
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return log_oom();
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strv_sort(l);
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print_tree(l);
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fflush(stdout);
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return r;
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}
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|
|
static int tree(int argc, char **argv, void *userdata) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
char **i;
|
|
int r;
|
|
|
|
/* Do superficial verification of arguments before even opening the bus */
|
|
STRV_FOREACH(i, strv_skip(argv, 1))
|
|
if (!sd_bus_service_name_is_valid(*i))
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Invalid bus service name: %s", *i);
|
|
|
|
if (!arg_unique && !arg_acquired)
|
|
arg_acquired = true;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (argc <= 1) {
|
|
_cleanup_strv_free_ char **names = NULL;
|
|
bool not_first = false;
|
|
|
|
r = sd_bus_list_names(bus, &names, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get name list: %m");
|
|
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
STRV_FOREACH(i, names) {
|
|
int q;
|
|
|
|
if (!arg_unique && (*i)[0] == ':')
|
|
continue;
|
|
|
|
if (!arg_acquired && (*i)[0] == ':')
|
|
continue;
|
|
|
|
if (not_first)
|
|
printf("\n");
|
|
|
|
printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
|
|
|
|
q = tree_one(bus, *i);
|
|
if (q < 0 && r >= 0)
|
|
r = q;
|
|
|
|
not_first = true;
|
|
}
|
|
} else
|
|
STRV_FOREACH(i, strv_skip(argv, 1)) {
|
|
int q;
|
|
|
|
if (i > argv+1)
|
|
printf("\n");
|
|
|
|
if (argv[2]) {
|
|
(void) pager_open(arg_pager_flags);
|
|
printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
|
|
}
|
|
|
|
q = tree_one(bus, *i);
|
|
if (q < 0 && r >= 0)
|
|
r = q;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int format_cmdline(sd_bus_message *m, FILE *f, bool needs_space) {
|
|
int r;
|
|
|
|
for (;;) {
|
|
const char *contents = NULL;
|
|
char type;
|
|
union {
|
|
uint8_t u8;
|
|
uint16_t u16;
|
|
int16_t s16;
|
|
uint32_t u32;
|
|
int32_t s32;
|
|
uint64_t u64;
|
|
int64_t s64;
|
|
double d64;
|
|
const char *string;
|
|
int i;
|
|
} basic;
|
|
|
|
r = sd_bus_message_peek_type(m, &type, &contents);
|
|
if (r < 0)
|
|
return r;
|
|
if (r == 0)
|
|
return needs_space;
|
|
|
|
if (bus_type_is_container(type) > 0) {
|
|
|
|
r = sd_bus_message_enter_container(m, type, contents);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (type == SD_BUS_TYPE_ARRAY) {
|
|
unsigned n = 0;
|
|
|
|
/* count array entries */
|
|
for (;;) {
|
|
|
|
r = sd_bus_message_skip(m, contents);
|
|
if (r < 0)
|
|
return r;
|
|
if (r == 0)
|
|
break;
|
|
|
|
n++;
|
|
}
|
|
|
|
r = sd_bus_message_rewind(m, false);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (needs_space)
|
|
fputc(' ', f);
|
|
|
|
fprintf(f, "%u", n);
|
|
needs_space = true;
|
|
|
|
} else if (type == SD_BUS_TYPE_VARIANT) {
|
|
|
|
if (needs_space)
|
|
fputc(' ', f);
|
|
|
|
fprintf(f, "%s", contents);
|
|
needs_space = true;
|
|
}
|
|
|
|
r = format_cmdline(m, f, needs_space);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
needs_space = r > 0;
|
|
|
|
r = sd_bus_message_exit_container(m);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
continue;
|
|
}
|
|
|
|
r = sd_bus_message_read_basic(m, type, &basic);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (needs_space)
|
|
fputc(' ', f);
|
|
|
|
switch (type) {
|
|
case SD_BUS_TYPE_BYTE:
|
|
fprintf(f, "%u", basic.u8);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_BOOLEAN:
|
|
fputs(true_false(basic.i), f);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_INT16:
|
|
fprintf(f, "%i", basic.s16);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_UINT16:
|
|
fprintf(f, "%u", basic.u16);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_INT32:
|
|
fprintf(f, "%i", basic.s32);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_UINT32:
|
|
fprintf(f, "%u", basic.u32);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_INT64:
|
|
fprintf(f, "%" PRIi64, basic.s64);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_UINT64:
|
|
fprintf(f, "%" PRIu64, basic.u64);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_DOUBLE:
|
|
fprintf(f, "%g", basic.d64);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_STRING:
|
|
case SD_BUS_TYPE_OBJECT_PATH:
|
|
case SD_BUS_TYPE_SIGNATURE: {
|
|
_cleanup_free_ char *b = NULL;
|
|
|
|
b = cescape(basic.string);
|
|
if (!b)
|
|
return -ENOMEM;
|
|
|
|
fprintf(f, "\"%s\"", b);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UNIX_FD:
|
|
fprintf(f, "%i", basic.i);
|
|
break;
|
|
|
|
default:
|
|
assert_not_reached("Unknown basic type.");
|
|
}
|
|
|
|
needs_space = true;
|
|
}
|
|
}
|
|
|
|
typedef struct Member {
|
|
const char *type;
|
|
char *interface;
|
|
char *name;
|
|
char *signature;
|
|
char *result;
|
|
char *value;
|
|
bool writable;
|
|
uint64_t flags;
|
|
} Member;
|
|
|
|
static void member_hash_func(const Member *m, struct siphash *state) {
|
|
uint64_t arity = 1;
|
|
|
|
assert(m);
|
|
assert(m->type);
|
|
|
|
string_hash_func(m->type, state);
|
|
|
|
arity += !!m->name + !!m->interface;
|
|
|
|
uint64_hash_func(&arity, state);
|
|
|
|
if (m->name)
|
|
string_hash_func(m->name, state);
|
|
|
|
if (m->interface)
|
|
string_hash_func(m->interface, state);
|
|
}
|
|
|
|
static int member_compare_func(const Member *x, const Member *y) {
|
|
int d;
|
|
|
|
assert(x);
|
|
assert(y);
|
|
assert(x->type);
|
|
assert(y->type);
|
|
|
|
d = strcmp_ptr(x->interface, y->interface);
|
|
if (d != 0)
|
|
return d;
|
|
|
|
d = strcmp(x->type, y->type);
|
|
if (d != 0)
|
|
return d;
|
|
|
|
return strcmp_ptr(x->name, y->name);
|
|
}
|
|
|
|
static int member_compare_funcp(Member * const *a, Member * const *b) {
|
|
return member_compare_func(*a, *b);
|
|
}
|
|
|
|
static void member_free(Member *m) {
|
|
if (!m)
|
|
return;
|
|
|
|
free(m->interface);
|
|
free(m->name);
|
|
free(m->signature);
|
|
free(m->result);
|
|
free(m->value);
|
|
free(m);
|
|
}
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(Member*, member_free);
|
|
|
|
static void member_set_free(Set *s) {
|
|
set_free_with_destructor(s, member_free);
|
|
}
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(Set*, member_set_free);
|
|
|
|
static int on_interface(const char *interface, uint64_t flags, void *userdata) {
|
|
_cleanup_(member_freep) Member *m;
|
|
Set *members = userdata;
|
|
int r;
|
|
|
|
assert(interface);
|
|
assert(members);
|
|
|
|
m = new(Member, 1);
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
*m = (Member) {
|
|
.type = "interface",
|
|
.flags = flags,
|
|
};
|
|
|
|
r = free_and_strdup(&m->interface, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = set_put(members, m);
|
|
if (r == -EEXIST)
|
|
return log_error_errno(r, "Invalid introspection data: duplicate interface '%s'.", interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
m = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int on_method(const char *interface, const char *name, const char *signature, const char *result, uint64_t flags, void *userdata) {
|
|
_cleanup_(member_freep) Member *m;
|
|
Set *members = userdata;
|
|
int r;
|
|
|
|
assert(interface);
|
|
assert(name);
|
|
|
|
m = new(Member, 1);
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
*m = (Member) {
|
|
.type = "method",
|
|
.flags = flags,
|
|
};
|
|
|
|
r = free_and_strdup(&m->interface, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->name, name);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->signature, signature);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->result, result);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = set_put(members, m);
|
|
if (r == -EEXIST)
|
|
return log_error_errno(r, "Invalid introspection data: duplicate method '%s' on interface '%s'.", name, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
m = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int on_signal(const char *interface, const char *name, const char *signature, uint64_t flags, void *userdata) {
|
|
_cleanup_(member_freep) Member *m;
|
|
Set *members = userdata;
|
|
int r;
|
|
|
|
assert(interface);
|
|
assert(name);
|
|
|
|
m = new(Member, 1);
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
*m = (Member) {
|
|
.type = "signal",
|
|
.flags = flags,
|
|
};
|
|
|
|
r = free_and_strdup(&m->interface, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->name, name);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->signature, signature);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = set_put(members, m);
|
|
if (r == -EEXIST)
|
|
return log_error_errno(r, "Invalid introspection data: duplicate signal '%s' on interface '%s'.", name, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
m = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int on_property(const char *interface, const char *name, const char *signature, bool writable, uint64_t flags, void *userdata) {
|
|
_cleanup_(member_freep) Member *m;
|
|
Set *members = userdata;
|
|
int r;
|
|
|
|
assert(interface);
|
|
assert(name);
|
|
|
|
m = new(Member, 1);
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
*m = (Member) {
|
|
.type = "property",
|
|
.flags = flags,
|
|
.writable = writable,
|
|
};
|
|
|
|
r = free_and_strdup(&m->interface, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->name, name);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = free_and_strdup(&m->signature, signature);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
r = set_put(members, m);
|
|
if (r == -EEXIST)
|
|
return log_error_errno(r, "Invalid introspection data: duplicate property '%s' on interface '%s'.", name, interface);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
m = NULL;
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_PRIVATE_HASH_OPS(member_hash_ops, Member, member_hash_func, member_compare_func);
|
|
|
|
static int introspect(int argc, char **argv, void *userdata) {
|
|
static const XMLIntrospectOps ops = {
|
|
.on_interface = on_interface,
|
|
.on_method = on_method,
|
|
.on_signal = on_signal,
|
|
.on_property = on_property,
|
|
};
|
|
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_xml = NULL;
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_(member_set_freep) Set *members = NULL;
|
|
unsigned name_width, type_width, signature_width, result_width, j, k = 0;
|
|
Member *m, **sorted = NULL;
|
|
const char *xml;
|
|
int r;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
members = set_new(&member_hash_ops);
|
|
if (!members)
|
|
return log_oom();
|
|
|
|
r = sd_bus_call_method(bus, argv[1], argv[2],
|
|
"org.freedesktop.DBus.Introspectable", "Introspect",
|
|
&error, &reply_xml, "");
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to introspect object %s of service %s: %s",
|
|
argv[2], argv[1], bus_error_message(&error, r));
|
|
|
|
r = sd_bus_message_read(reply_xml, "s", &xml);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (arg_xml_interface) {
|
|
/* Just dump the received XML and finish */
|
|
(void) pager_open(arg_pager_flags);
|
|
puts(xml);
|
|
return 0;
|
|
}
|
|
|
|
/* First, get list of all properties */
|
|
r = parse_xml_introspect(argv[2], xml, &ops, members);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
/* Second, find the current values for them */
|
|
SET_FOREACH(m, members) {
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
|
|
|
|
if (!streq(m->type, "property"))
|
|
continue;
|
|
|
|
if (m->value)
|
|
continue;
|
|
|
|
if (argv[3] && !streq(argv[3], m->interface))
|
|
continue;
|
|
|
|
r = sd_bus_call_method(bus, argv[1], argv[2],
|
|
"org.freedesktop.DBus.Properties", "GetAll",
|
|
&error, &reply, "s", m->interface);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get all properties on interface %s: %s",
|
|
m->interface, bus_error_message(&error, r));
|
|
|
|
r = sd_bus_message_enter_container(reply, 'a', "{sv}");
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
for (;;) {
|
|
Member *z;
|
|
_cleanup_free_ char *buf = NULL;
|
|
_cleanup_fclose_ FILE *mf = NULL;
|
|
size_t sz = 0;
|
|
const char *name;
|
|
|
|
r = sd_bus_message_enter_container(reply, 'e', "sv");
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (r == 0)
|
|
break;
|
|
|
|
r = sd_bus_message_read(reply, "s", &name);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = sd_bus_message_enter_container(reply, 'v', NULL);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
mf = open_memstream_unlocked(&buf, &sz);
|
|
if (!mf)
|
|
return log_oom();
|
|
|
|
r = format_cmdline(reply, mf, false);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
mf = safe_fclose(mf);
|
|
|
|
z = set_get(members, &((Member) {
|
|
.type = "property",
|
|
.interface = m->interface,
|
|
.name = (char*) name }));
|
|
if (z)
|
|
free_and_replace(z->value, buf);
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
}
|
|
|
|
name_width = strlen("NAME");
|
|
type_width = strlen("TYPE");
|
|
signature_width = strlen("SIGNATURE");
|
|
result_width = strlen("RESULT/VALUE");
|
|
|
|
sorted = newa(Member*, set_size(members));
|
|
|
|
SET_FOREACH(m, members) {
|
|
if (argv[3] && !streq(argv[3], m->interface))
|
|
continue;
|
|
|
|
if (m->interface)
|
|
name_width = MAX(name_width, strlen(m->interface));
|
|
if (m->name)
|
|
name_width = MAX(name_width, strlen(m->name) + 1);
|
|
if (m->type)
|
|
type_width = MAX(type_width, strlen(m->type));
|
|
if (m->signature)
|
|
signature_width = MAX(signature_width, strlen(m->signature));
|
|
if (m->result)
|
|
result_width = MAX(result_width, strlen(m->result));
|
|
if (m->value)
|
|
result_width = MAX(result_width, strlen(m->value));
|
|
|
|
sorted[k++] = m;
|
|
}
|
|
|
|
if (result_width > 40)
|
|
result_width = 40;
|
|
|
|
typesafe_qsort(sorted, k, member_compare_funcp);
|
|
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
if (arg_legend)
|
|
printf("%-*s %-*s %-*s %-*s %s\n",
|
|
(int) name_width, "NAME",
|
|
(int) type_width, "TYPE",
|
|
(int) signature_width, "SIGNATURE",
|
|
(int) result_width, "RESULT/VALUE",
|
|
"FLAGS");
|
|
|
|
for (j = 0; j < k; j++) {
|
|
_cleanup_free_ char *ellipsized = NULL;
|
|
const char *rv;
|
|
bool is_interface;
|
|
|
|
m = sorted[j];
|
|
|
|
if (argv[3] && !streq(argv[3], m->interface))
|
|
continue;
|
|
|
|
is_interface = streq(m->type, "interface");
|
|
|
|
if (argv[3] && is_interface)
|
|
continue;
|
|
|
|
if (m->value) {
|
|
ellipsized = ellipsize(m->value, result_width, 100);
|
|
if (!ellipsized)
|
|
return log_oom();
|
|
|
|
rv = ellipsized;
|
|
} else
|
|
rv = empty_to_dash(m->result);
|
|
|
|
printf("%s%s%-*s%s %-*s %-*s %-*s%s%s%s%s%s%s\n",
|
|
is_interface ? ansi_highlight() : "",
|
|
is_interface ? "" : ".",
|
|
- !is_interface + (int) name_width,
|
|
empty_to_dash(streq_ptr(m->type, "interface") ? m->interface : m->name),
|
|
is_interface ? ansi_normal() : "",
|
|
(int) type_width, empty_to_dash(m->type),
|
|
(int) signature_width, empty_to_dash(m->signature),
|
|
(int) result_width, rv,
|
|
(m->flags & SD_BUS_VTABLE_DEPRECATED) ? " deprecated" : (m->flags || m->writable ? "" : " -"),
|
|
(m->flags & SD_BUS_VTABLE_METHOD_NO_REPLY) ? " no-reply" : "",
|
|
(m->flags & SD_BUS_VTABLE_PROPERTY_CONST) ? " const" : "",
|
|
(m->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE) ? " emits-change" : "",
|
|
(m->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) ? " emits-invalidation" : "",
|
|
m->writable ? " writable" : "");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int message_dump(sd_bus_message *m, FILE *f) {
|
|
return sd_bus_message_dump(m, f, SD_BUS_MESSAGE_DUMP_WITH_HEADER);
|
|
}
|
|
|
|
static int message_pcap(sd_bus_message *m, FILE *f) {
|
|
return bus_message_pcap_frame(m, arg_snaplen, f);
|
|
}
|
|
|
|
static int message_json(sd_bus_message *m, FILE *f) {
|
|
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL, *w = NULL;
|
|
char e[2];
|
|
int r;
|
|
usec_t ts;
|
|
|
|
r = json_transform_message(m, &v);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
e[0] = m->header->endian;
|
|
e[1] = 0;
|
|
|
|
ts = m->realtime;
|
|
if (ts == 0)
|
|
ts = now(CLOCK_REALTIME);
|
|
|
|
r = json_build(&w, JSON_BUILD_OBJECT(
|
|
JSON_BUILD_PAIR("type", JSON_BUILD_STRING(bus_message_type_to_string(m->header->type))),
|
|
JSON_BUILD_PAIR("endian", JSON_BUILD_STRING(e)),
|
|
JSON_BUILD_PAIR("flags", JSON_BUILD_INTEGER(m->header->flags)),
|
|
JSON_BUILD_PAIR("version", JSON_BUILD_INTEGER(m->header->version)),
|
|
JSON_BUILD_PAIR("cookie", JSON_BUILD_INTEGER(BUS_MESSAGE_COOKIE(m))),
|
|
JSON_BUILD_PAIR_CONDITION(m->reply_cookie != 0, "reply_cookie", JSON_BUILD_INTEGER(m->reply_cookie)),
|
|
JSON_BUILD_PAIR("timestamp-realtime", JSON_BUILD_UNSIGNED(ts)),
|
|
JSON_BUILD_PAIR_CONDITION(m->sender, "sender", JSON_BUILD_STRING(m->sender)),
|
|
JSON_BUILD_PAIR_CONDITION(m->destination, "destination", JSON_BUILD_STRING(m->destination)),
|
|
JSON_BUILD_PAIR_CONDITION(m->path, "path", JSON_BUILD_STRING(m->path)),
|
|
JSON_BUILD_PAIR_CONDITION(m->interface, "interface", JSON_BUILD_STRING(m->interface)),
|
|
JSON_BUILD_PAIR_CONDITION(m->member, "member", JSON_BUILD_STRING(m->member)),
|
|
JSON_BUILD_PAIR_CONDITION(m->monotonic != 0, "monotonic", JSON_BUILD_INTEGER(m->monotonic)),
|
|
JSON_BUILD_PAIR_CONDITION(m->realtime != 0, "realtime", JSON_BUILD_INTEGER(m->realtime)),
|
|
JSON_BUILD_PAIR_CONDITION(m->seqnum != 0, "seqnum", JSON_BUILD_INTEGER(m->seqnum)),
|
|
JSON_BUILD_PAIR_CONDITION(m->error.name, "error_name", JSON_BUILD_STRING(m->error.name)),
|
|
JSON_BUILD_PAIR("payload", JSON_BUILD_VARIANT(v))));
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to build JSON object: %m");
|
|
|
|
json_variant_dump(w, arg_json_format_flags, f, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static int monitor(int argc, char **argv, int (*dump)(sd_bus_message *m, FILE *f)) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
char **i;
|
|
uint32_t flags = 0;
|
|
const char *unique_name;
|
|
bool is_monitor = false;
|
|
int r;
|
|
|
|
r = acquire_bus(true, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
/* upgrade connection; it's not used for anything else after this call */
|
|
r = sd_bus_message_new_method_call(bus,
|
|
&message,
|
|
"org.freedesktop.DBus",
|
|
"/org/freedesktop/DBus",
|
|
"org.freedesktop.DBus.Monitoring",
|
|
"BecomeMonitor");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(message, 'a', "s");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
STRV_FOREACH(i, argv+1) {
|
|
_cleanup_free_ char *m = NULL;
|
|
|
|
if (!sd_bus_service_name_is_valid(*i))
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid service name '%s'", *i);
|
|
|
|
m = strjoin("sender='", *i, "'");
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
r = sd_bus_message_append_basic(message, 's', m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
free(m);
|
|
m = strjoin("destination='", *i, "'");
|
|
if (!m)
|
|
return log_oom();
|
|
|
|
r = sd_bus_message_append_basic(message, 's', m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
STRV_FOREACH(i, arg_matches) {
|
|
r = sd_bus_message_append_basic(message, 's', *i);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_close_container(message);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append_basic(message, 'u', &flags);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_call(bus, message, arg_timeout, &error, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Call to org.freedesktop.DBus.Monitoring.BecomeMonitor failed: %s",
|
|
bus_error_message(&error, r));
|
|
|
|
r = sd_bus_get_unique_name(bus, &unique_name);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get unique name: %m");
|
|
|
|
log_info("Monitoring bus message stream.");
|
|
|
|
for (;;) {
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
|
|
|
|
r = sd_bus_process(bus, &m);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to process bus: %m");
|
|
|
|
if (!is_monitor) {
|
|
const char *name;
|
|
|
|
/* wait until we lose our unique name */
|
|
if (sd_bus_message_is_signal(m, "org.freedesktop.DBus", "NameLost") <= 0)
|
|
continue;
|
|
|
|
r = sd_bus_message_read(m, "s", &name);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (streq(name, unique_name))
|
|
is_monitor = true;
|
|
|
|
continue;
|
|
}
|
|
|
|
if (m) {
|
|
dump(m, stdout);
|
|
fflush(stdout);
|
|
|
|
if (sd_bus_message_is_signal(m, "org.freedesktop.DBus.Local", "Disconnected") > 0) {
|
|
log_info("Connection terminated, exiting.");
|
|
return 0;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
if (r > 0)
|
|
continue;
|
|
|
|
r = sd_bus_wait(bus, (uint64_t) -1);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to wait for bus: %m");
|
|
}
|
|
}
|
|
|
|
static int verb_monitor(int argc, char **argv, void *userdata) {
|
|
return monitor(argc, argv, (arg_json_format_flags & JSON_FORMAT_OFF) ? message_dump : message_json);
|
|
}
|
|
|
|
static int verb_capture(int argc, char **argv, void *userdata) {
|
|
int r;
|
|
|
|
if (isatty(fileno(stdout)) > 0)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Refusing to write message data to console, please redirect output to a file.");
|
|
|
|
bus_pcap_header(arg_snaplen, stdout);
|
|
|
|
r = monitor(argc, argv, message_pcap);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = fflush_and_check(stdout);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Couldn't write capture file: %m");
|
|
|
|
return r;
|
|
}
|
|
|
|
static int status(int argc, char **argv, void *userdata) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
|
|
pid_t pid;
|
|
int r;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
if (!isempty(argv[1])) {
|
|
r = parse_pid(argv[1], &pid);
|
|
if (r < 0)
|
|
r = sd_bus_get_name_creds(
|
|
bus,
|
|
argv[1],
|
|
(arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) | _SD_BUS_CREDS_ALL,
|
|
&creds);
|
|
else
|
|
r = sd_bus_creds_new_from_pid(
|
|
&creds,
|
|
pid,
|
|
_SD_BUS_CREDS_ALL);
|
|
} else {
|
|
const char *scope, *address;
|
|
sd_id128_t bus_id;
|
|
|
|
r = sd_bus_get_address(bus, &address);
|
|
if (r >= 0)
|
|
printf("BusAddress=%s%s%s\n", ansi_highlight(), address, ansi_normal());
|
|
|
|
r = sd_bus_get_scope(bus, &scope);
|
|
if (r >= 0)
|
|
printf("BusScope=%s%s%s\n", ansi_highlight(), scope, ansi_normal());
|
|
|
|
r = sd_bus_get_bus_id(bus, &bus_id);
|
|
if (r >= 0)
|
|
printf("BusID=%s" SD_ID128_FORMAT_STR "%s\n",
|
|
ansi_highlight(), SD_ID128_FORMAT_VAL(bus_id), ansi_normal());
|
|
|
|
r = sd_bus_get_owner_creds(
|
|
bus,
|
|
(arg_augment_creds ? SD_BUS_CREDS_AUGMENT : 0) | _SD_BUS_CREDS_ALL,
|
|
&creds);
|
|
}
|
|
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get credentials: %m");
|
|
|
|
bus_creds_dump(creds, NULL, false);
|
|
return 0;
|
|
}
|
|
|
|
static int message_append_cmdline(sd_bus_message *m, const char *signature, char ***x) {
|
|
char **p;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(signature);
|
|
assert(x);
|
|
|
|
p = *x;
|
|
|
|
for (;;) {
|
|
const char *v;
|
|
char t;
|
|
|
|
t = *signature;
|
|
v = *p;
|
|
|
|
if (t == 0)
|
|
break;
|
|
if (!v)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Too few parameters for signature.");
|
|
|
|
signature++;
|
|
p++;
|
|
|
|
switch (t) {
|
|
|
|
case SD_BUS_TYPE_BOOLEAN:
|
|
|
|
r = parse_boolean(v);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as boolean: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &r);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_BYTE: {
|
|
uint8_t z;
|
|
|
|
r = safe_atou8(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as byte (unsigned 8bit integer): %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT16: {
|
|
int16_t z;
|
|
|
|
r = safe_atoi16(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as signed 16bit integer: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT16: {
|
|
uint16_t z;
|
|
|
|
r = safe_atou16(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as unsigned 16bit integer: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT32: {
|
|
int32_t z;
|
|
|
|
r = safe_atoi32(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as signed 32bit integer: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT32: {
|
|
uint32_t z;
|
|
|
|
r = safe_atou32(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as unsigned 32bit integer: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT64: {
|
|
int64_t z;
|
|
|
|
r = safe_atoi64(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as signed 64bit integer: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT64: {
|
|
uint64_t z;
|
|
|
|
r = safe_atou64(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as unsigned 64bit integer: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_DOUBLE: {
|
|
double z;
|
|
|
|
r = safe_atod(v, &z);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' as double precision floating point: %m", v);
|
|
|
|
r = sd_bus_message_append_basic(m, t, &z);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_STRING:
|
|
case SD_BUS_TYPE_OBJECT_PATH:
|
|
case SD_BUS_TYPE_SIGNATURE:
|
|
|
|
r = sd_bus_message_append_basic(m, t, v);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_ARRAY: {
|
|
uint32_t n;
|
|
size_t k;
|
|
|
|
r = safe_atou32(v, &n);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse '%s' number of array entries: %m", v);
|
|
|
|
r = signature_element_length(signature, &k);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid array signature: %m");
|
|
|
|
{
|
|
char s[k + 1];
|
|
memcpy(s, signature, k);
|
|
s[k] = 0;
|
|
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, s);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
for (unsigned i = 0; i < n; i++) {
|
|
r = message_append_cmdline(m, s, &p);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
signature += k;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_VARIANT:
|
|
r = sd_bus_message_open_container(m, SD_BUS_TYPE_VARIANT, v);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = message_append_cmdline(m, v, &p);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
break;
|
|
|
|
case SD_BUS_TYPE_STRUCT_BEGIN:
|
|
case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
|
|
size_t k;
|
|
|
|
signature--;
|
|
p--;
|
|
|
|
r = signature_element_length(signature, &k);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Invalid struct/dict entry signature: %m");
|
|
|
|
{
|
|
char s[k-1];
|
|
memcpy(s, signature + 1, k - 2);
|
|
s[k - 2] = 0;
|
|
|
|
const char ctype = t == SD_BUS_TYPE_STRUCT_BEGIN ?
|
|
SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY;
|
|
r = sd_bus_message_open_container(m, ctype, s);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = message_append_cmdline(m, s, &p);
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
signature += k;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UNIX_FD:
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"UNIX file descriptor not supported as type.");
|
|
|
|
default:
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Unknown signature type %c.", t);
|
|
}
|
|
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
*x = p;
|
|
return 0;
|
|
}
|
|
|
|
static int json_transform_one(sd_bus_message *m, JsonVariant **ret);
|
|
|
|
static int json_transform_array_or_struct(sd_bus_message *m, JsonVariant **ret) {
|
|
size_t n_elements = 0, n_allocated = 0;
|
|
JsonVariant **elements = NULL;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(ret);
|
|
|
|
for (;;) {
|
|
r = sd_bus_message_at_end(m, false);
|
|
if (r < 0) {
|
|
bus_log_parse_error(r);
|
|
goto finish;
|
|
}
|
|
if (r > 0)
|
|
break;
|
|
|
|
if (!GREEDY_REALLOC(elements, n_allocated, n_elements + 1)) {
|
|
r = log_oom();
|
|
goto finish;
|
|
}
|
|
|
|
r = json_transform_one(m, elements + n_elements);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
n_elements++;
|
|
}
|
|
|
|
r = json_variant_new_array(ret, elements, n_elements);
|
|
|
|
finish:
|
|
json_variant_unref_many(elements, n_elements);
|
|
free(elements);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int json_transform_variant(sd_bus_message *m, const char *contents, JsonVariant **ret) {
|
|
_cleanup_(json_variant_unrefp) JsonVariant *value = NULL;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(contents);
|
|
assert(ret);
|
|
|
|
r = json_transform_one(m, &value);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = json_build(ret, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("type", JSON_BUILD_STRING(contents)),
|
|
JSON_BUILD_PAIR("data", JSON_BUILD_VARIANT(value))));
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
return r;
|
|
}
|
|
|
|
static int json_transform_dict_array(sd_bus_message *m, JsonVariant **ret) {
|
|
size_t n_elements = 0, n_allocated = 0;
|
|
JsonVariant **elements = NULL;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(ret);
|
|
|
|
for (;;) {
|
|
const char *contents;
|
|
char type;
|
|
|
|
r = sd_bus_message_at_end(m, false);
|
|
if (r < 0) {
|
|
bus_log_parse_error(r);
|
|
goto finish;
|
|
}
|
|
if (r > 0)
|
|
break;
|
|
|
|
r = sd_bus_message_peek_type(m, &type, &contents);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
assert(type == 'e');
|
|
|
|
if (!GREEDY_REALLOC(elements, n_allocated, n_elements + 2)) {
|
|
r = log_oom();
|
|
goto finish;
|
|
}
|
|
|
|
r = sd_bus_message_enter_container(m, type, contents);
|
|
if (r < 0) {
|
|
bus_log_parse_error(r);
|
|
goto finish;
|
|
}
|
|
|
|
r = json_transform_one(m, elements + n_elements);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
n_elements++;
|
|
|
|
r = json_transform_one(m, elements + n_elements);
|
|
if (r < 0)
|
|
goto finish;
|
|
|
|
n_elements++;
|
|
|
|
r = sd_bus_message_exit_container(m);
|
|
if (r < 0) {
|
|
bus_log_parse_error(r);
|
|
goto finish;
|
|
}
|
|
}
|
|
|
|
r = json_variant_new_object(ret, elements, n_elements);
|
|
|
|
finish:
|
|
json_variant_unref_many(elements, n_elements);
|
|
free(elements);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int json_transform_one(sd_bus_message *m, JsonVariant **ret) {
|
|
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
|
|
const char *contents;
|
|
char type;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(ret);
|
|
|
|
r = sd_bus_message_peek_type(m, &type, &contents);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
switch (type) {
|
|
|
|
case SD_BUS_TYPE_BYTE: {
|
|
uint8_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_unsigned(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform byte: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_BOOLEAN: {
|
|
int b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_boolean(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform boolean: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT16: {
|
|
int16_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_integer(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform int16: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT16: {
|
|
uint16_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_unsigned(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform uint16: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT32: {
|
|
int32_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_integer(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform int32: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT32: {
|
|
uint32_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_unsigned(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform uint32: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_INT64: {
|
|
int64_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_integer(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform int64: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UINT64: {
|
|
uint64_t b;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &b);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_unsigned(&v, b);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform uint64: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_DOUBLE: {
|
|
double d;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &d);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_real(&v, d);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform double: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_STRING:
|
|
case SD_BUS_TYPE_OBJECT_PATH:
|
|
case SD_BUS_TYPE_SIGNATURE: {
|
|
const char *s;
|
|
|
|
r = sd_bus_message_read_basic(m, type, &s);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_string(&v, s);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform double: %m");
|
|
|
|
break;
|
|
}
|
|
|
|
case SD_BUS_TYPE_UNIX_FD:
|
|
r = sd_bus_message_read_basic(m, type, NULL);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = json_variant_new_null(&v);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to transform fd: %m");
|
|
|
|
break;
|
|
|
|
case SD_BUS_TYPE_ARRAY:
|
|
case SD_BUS_TYPE_VARIANT:
|
|
case SD_BUS_TYPE_STRUCT:
|
|
r = sd_bus_message_enter_container(m, type, contents);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (type == SD_BUS_TYPE_VARIANT)
|
|
r = json_transform_variant(m, contents, &v);
|
|
else if (type == SD_BUS_TYPE_ARRAY && contents[0] == '{')
|
|
r = json_transform_dict_array(m, &v);
|
|
else
|
|
r = json_transform_array_or_struct(m, &v);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_exit_container(m);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
break;
|
|
|
|
default:
|
|
assert_not_reached("Unexpected element type");
|
|
}
|
|
|
|
*ret = TAKE_PTR(v);
|
|
return 0;
|
|
}
|
|
|
|
static int json_transform_message(sd_bus_message *m, JsonVariant **ret) {
|
|
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
|
|
const char *type;
|
|
int r;
|
|
|
|
assert(m);
|
|
assert(ret);
|
|
|
|
assert_se(type = sd_bus_message_get_signature(m, false));
|
|
|
|
r = json_transform_array_or_struct(m, &v);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = json_build(ret, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("type", JSON_BUILD_STRING(type)),
|
|
JSON_BUILD_PAIR("data", JSON_BUILD_VARIANT(v))));
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int call(int argc, char **argv, void *userdata) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
|
|
int r;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2], argv[3], argv[4]);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_set_expect_reply(m, arg_expect_reply);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_set_auto_start(m, arg_auto_start);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_set_allow_interactive_authorization(m, arg_allow_interactive_authorization);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (!isempty(argv[5])) {
|
|
char **p;
|
|
|
|
p = argv+6;
|
|
|
|
r = message_append_cmdline(m, argv[5], &p);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (*p)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Too many parameters for signature.");
|
|
}
|
|
|
|
if (!arg_expect_reply) {
|
|
r = sd_bus_send(bus, m, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to send message: %m");
|
|
|
|
return 0;
|
|
}
|
|
|
|
r = sd_bus_call(bus, m, arg_timeout, &error, &reply);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Call failed: %s", bus_error_message(&error, r));
|
|
|
|
r = sd_bus_message_is_empty(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (r == 0 && !arg_quiet) {
|
|
|
|
if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) {
|
|
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
|
|
|
|
if (arg_json_format_flags & (JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
r = json_transform_message(reply, &v);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
json_variant_dump(v, arg_json_format_flags, NULL, NULL);
|
|
|
|
} else if (arg_verbose) {
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
r = sd_bus_message_dump(reply, stdout, 0);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
|
|
fputs(sd_bus_message_get_signature(reply, true), stdout);
|
|
fputc(' ', stdout);
|
|
|
|
r = format_cmdline(reply, stdout, false);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
fputc('\n', stdout);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int emit_signal(int argc, char **argv, void *userdata) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
|
|
int r;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_new_signal(bus, &m, argv[1], argv[2], argv[3]);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (arg_destination) {
|
|
r = sd_bus_message_set_destination(m, arg_destination);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
}
|
|
|
|
r = sd_bus_message_set_auto_start(m, arg_auto_start);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (!isempty(argv[4])) {
|
|
char **p;
|
|
|
|
p = argv+5;
|
|
|
|
r = message_append_cmdline(m, argv[4], &p);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (*p)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
"Too many parameters for signature.");
|
|
}
|
|
|
|
r = sd_bus_send(bus, m, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to send signal: %m");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_property(int argc, char **argv, void *userdata) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
char **i;
|
|
int r;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
STRV_FOREACH(i, argv + 4) {
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
|
|
const char *contents = NULL;
|
|
char type;
|
|
|
|
r = sd_bus_call_method(bus, argv[1], argv[2],
|
|
"org.freedesktop.DBus.Properties", "Get",
|
|
&error, &reply, "ss", argv[3], *i);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to get property %s on interface %s: %s",
|
|
*i, argv[3],
|
|
bus_error_message(&error, r));
|
|
|
|
r = sd_bus_message_peek_type(reply, &type, &contents);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
r = sd_bus_message_enter_container(reply, 'v', contents);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
if (!FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) {
|
|
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
|
|
|
|
if (arg_json_format_flags & (JSON_FORMAT_PRETTY|JSON_FORMAT_PRETTY_AUTO))
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
r = json_transform_variant(reply, contents, &v);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
json_variant_dump(v, arg_json_format_flags, NULL, NULL);
|
|
|
|
} else if (arg_verbose) {
|
|
(void) pager_open(arg_pager_flags);
|
|
|
|
r = sd_bus_message_dump(reply, stdout, SD_BUS_MESSAGE_DUMP_SUBTREE_ONLY);
|
|
if (r < 0)
|
|
return r;
|
|
} else {
|
|
fputs(contents, stdout);
|
|
fputc(' ', stdout);
|
|
|
|
r = format_cmdline(reply, stdout, false);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
|
|
fputc('\n', stdout);
|
|
}
|
|
|
|
r = sd_bus_message_exit_container(reply);
|
|
if (r < 0)
|
|
return bus_log_parse_error(r);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int set_property(int argc, char **argv, void *userdata) {
|
|
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
|
_cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
|
|
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
|
|
char **p;
|
|
int r;
|
|
|
|
r = acquire_bus(false, &bus);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_new_method_call(bus, &m, argv[1], argv[2],
|
|
"org.freedesktop.DBus.Properties", "Set");
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_append(m, "ss", argv[3], argv[4]);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
r = sd_bus_message_open_container(m, 'v', argv[5]);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
p = argv + 6;
|
|
r = message_append_cmdline(m, argv[5], &p);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = sd_bus_message_close_container(m);
|
|
if (r < 0)
|
|
return bus_log_create_error(r);
|
|
|
|
if (*p)
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Too many parameters for signature.");
|
|
|
|
r = sd_bus_call(bus, m, arg_timeout, &error, NULL);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to set property %s on interface %s: %s",
|
|
argv[4], argv[3],
|
|
bus_error_message(&error, r));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int help(void) {
|
|
_cleanup_free_ char *link = NULL;
|
|
int r;
|
|
|
|
r = terminal_urlify_man("busctl", "1", &link);
|
|
if (r < 0)
|
|
return log_oom();
|
|
|
|
printf("%s [OPTIONS...] COMMAND ...\n\n"
|
|
"%sIntrospect the D-Bus IPC bus.%s\n"
|
|
"\nCommands:\n"
|
|
" list List bus names\n"
|
|
" status [SERVICE] Show bus service, process or bus owner credentials\n"
|
|
" monitor [SERVICE...] Show bus traffic\n"
|
|
" capture [SERVICE...] Capture bus traffic as pcap\n"
|
|
" tree [SERVICE...] Show object tree of service\n"
|
|
" introspect SERVICE OBJECT [INTERFACE]\n"
|
|
" call SERVICE OBJECT INTERFACE METHOD [SIGNATURE [ARGUMENT...]]\n"
|
|
" Call a method\n"
|
|
" emit OBJECT INTERFACE SIGNAL [SIGNATURE [ARGUMENT...]]\n"
|
|
" Emit a signal\n"
|
|
" get-property SERVICE OBJECT INTERFACE PROPERTY...\n"
|
|
" Get property value\n"
|
|
" set-property SERVICE OBJECT INTERFACE PROPERTY SIGNATURE ARGUMENT...\n"
|
|
" Set property value\n"
|
|
" help Show this help\n"
|
|
"\nOptions:\n"
|
|
" -h --help Show this help\n"
|
|
" --version Show package version\n"
|
|
" --no-pager Do not pipe output into a pager\n"
|
|
" --no-legend Do not show the headers and footers\n"
|
|
" -l --full Do not ellipsize output\n"
|
|
" --system Connect to system bus\n"
|
|
" --user Connect to user bus\n"
|
|
" -H --host=[USER@]HOST Operate on remote host\n"
|
|
" -M --machine=CONTAINER Operate on local container\n"
|
|
" --address=ADDRESS Connect to bus specified by address\n"
|
|
" --show-machine Show machine ID column in list\n"
|
|
" --unique Only show unique names\n"
|
|
" --acquired Only show acquired names\n"
|
|
" --activatable Only show activatable names\n"
|
|
" --match=MATCH Only show matching messages\n"
|
|
" --size=SIZE Maximum length of captured packet\n"
|
|
" --list Don't show tree, but simple object path list\n"
|
|
" -q --quiet Don't show method call reply\n"
|
|
" --verbose Show result values in long format\n"
|
|
" --json=MODE Output as JSON\n"
|
|
" -j Same as --json=pretty on tty, --json=short otherwise\n"
|
|
" --expect-reply=BOOL Expect a method call reply\n"
|
|
" --auto-start=BOOL Auto-start destination service\n"
|
|
" --allow-interactive-authorization=BOOL\n"
|
|
" Allow interactive authorization for operation\n"
|
|
" --timeout=SECS Maximum time to wait for method call completion\n"
|
|
" --augment-creds=BOOL Extend credential data with data read from /proc/$PID\n"
|
|
" --watch-bind=BOOL Wait for bus AF_UNIX socket to be bound in the file\n"
|
|
" system\n"
|
|
" --destination=SERVICE Destination service of a signal\n"
|
|
"\nSee the %s for details.\n"
|
|
, program_invocation_short_name
|
|
, ansi_highlight()
|
|
, ansi_normal()
|
|
, link
|
|
);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int verb_help(int argc, char **argv, void *userdata) {
|
|
return help();
|
|
}
|
|
|
|
static int parse_argv(int argc, char *argv[]) {
|
|
|
|
enum {
|
|
ARG_VERSION = 0x100,
|
|
ARG_NO_PAGER,
|
|
ARG_NO_LEGEND,
|
|
ARG_SYSTEM,
|
|
ARG_USER,
|
|
ARG_ADDRESS,
|
|
ARG_MATCH,
|
|
ARG_SHOW_MACHINE,
|
|
ARG_UNIQUE,
|
|
ARG_ACQUIRED,
|
|
ARG_ACTIVATABLE,
|
|
ARG_SIZE,
|
|
ARG_LIST,
|
|
ARG_VERBOSE,
|
|
ARG_XML_INTERFACE,
|
|
ARG_EXPECT_REPLY,
|
|
ARG_AUTO_START,
|
|
ARG_ALLOW_INTERACTIVE_AUTHORIZATION,
|
|
ARG_TIMEOUT,
|
|
ARG_AUGMENT_CREDS,
|
|
ARG_WATCH_BIND,
|
|
ARG_JSON,
|
|
ARG_DESTINATION,
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "version", no_argument, NULL, ARG_VERSION },
|
|
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
|
|
{ "no-legend", no_argument, NULL, ARG_NO_LEGEND },
|
|
{ "full", no_argument, NULL, 'l' },
|
|
{ "system", no_argument, NULL, ARG_SYSTEM },
|
|
{ "user", no_argument, NULL, ARG_USER },
|
|
{ "address", required_argument, NULL, ARG_ADDRESS },
|
|
{ "show-machine", no_argument, NULL, ARG_SHOW_MACHINE },
|
|
{ "unique", no_argument, NULL, ARG_UNIQUE },
|
|
{ "acquired", no_argument, NULL, ARG_ACQUIRED },
|
|
{ "activatable", no_argument, NULL, ARG_ACTIVATABLE },
|
|
{ "match", required_argument, NULL, ARG_MATCH },
|
|
{ "host", required_argument, NULL, 'H' },
|
|
{ "machine", required_argument, NULL, 'M' },
|
|
{ "size", required_argument, NULL, ARG_SIZE },
|
|
{ "list", no_argument, NULL, ARG_LIST },
|
|
{ "quiet", no_argument, NULL, 'q' },
|
|
{ "verbose", no_argument, NULL, ARG_VERBOSE },
|
|
{ "xml-interface", no_argument, NULL, ARG_XML_INTERFACE },
|
|
{ "expect-reply", required_argument, NULL, ARG_EXPECT_REPLY },
|
|
{ "auto-start", required_argument, NULL, ARG_AUTO_START },
|
|
{ "allow-interactive-authorization", required_argument, NULL, ARG_ALLOW_INTERACTIVE_AUTHORIZATION },
|
|
{ "timeout", required_argument, NULL, ARG_TIMEOUT },
|
|
{ "augment-creds", required_argument, NULL, ARG_AUGMENT_CREDS },
|
|
{ "watch-bind", required_argument, NULL, ARG_WATCH_BIND },
|
|
{ "json", required_argument, NULL, ARG_JSON },
|
|
{ "destination", required_argument, NULL, ARG_DESTINATION },
|
|
{},
|
|
};
|
|
|
|
int c, r;
|
|
|
|
assert(argc >= 0);
|
|
assert(argv);
|
|
|
|
while ((c = getopt_long(argc, argv, "hH:M:qjl", options, NULL)) >= 0)
|
|
|
|
switch (c) {
|
|
|
|
case 'h':
|
|
return help();
|
|
|
|
case ARG_VERSION:
|
|
return version();
|
|
|
|
case ARG_NO_PAGER:
|
|
arg_pager_flags |= PAGER_DISABLE;
|
|
break;
|
|
|
|
case ARG_NO_LEGEND:
|
|
arg_legend = false;
|
|
break;
|
|
|
|
case 'l':
|
|
arg_full = true;
|
|
break;
|
|
|
|
case ARG_USER:
|
|
arg_user = true;
|
|
break;
|
|
|
|
case ARG_SYSTEM:
|
|
arg_user = false;
|
|
break;
|
|
|
|
case ARG_ADDRESS:
|
|
arg_address = optarg;
|
|
break;
|
|
|
|
case ARG_SHOW_MACHINE:
|
|
arg_show_machine = true;
|
|
break;
|
|
|
|
case ARG_UNIQUE:
|
|
arg_unique = true;
|
|
break;
|
|
|
|
case ARG_ACQUIRED:
|
|
arg_acquired = true;
|
|
break;
|
|
|
|
case ARG_ACTIVATABLE:
|
|
arg_activatable = true;
|
|
break;
|
|
|
|
case ARG_MATCH:
|
|
if (strv_extend(&arg_matches, optarg) < 0)
|
|
return log_oom();
|
|
break;
|
|
|
|
case ARG_SIZE: {
|
|
uint64_t sz;
|
|
|
|
r = parse_size(optarg, 1024, &sz);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse size '%s': %m", optarg);
|
|
|
|
if ((uint64_t) (size_t) sz != sz)
|
|
return log_error_errno(SYNTHETIC_ERRNO(E2BIG),
|
|
"Size out of range.");
|
|
|
|
arg_snaplen = (size_t) sz;
|
|
break;
|
|
}
|
|
|
|
case ARG_LIST:
|
|
arg_list = true;
|
|
break;
|
|
|
|
case 'H':
|
|
arg_transport = BUS_TRANSPORT_REMOTE;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case 'M':
|
|
arg_transport = BUS_TRANSPORT_MACHINE;
|
|
arg_host = optarg;
|
|
break;
|
|
|
|
case 'q':
|
|
arg_quiet = true;
|
|
break;
|
|
|
|
case ARG_VERBOSE:
|
|
arg_verbose = true;
|
|
break;
|
|
|
|
case ARG_XML_INTERFACE:
|
|
arg_xml_interface = true;
|
|
break;
|
|
|
|
case ARG_EXPECT_REPLY:
|
|
r = parse_boolean(optarg);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse --expect-reply= parameter '%s': %m", optarg);
|
|
|
|
arg_expect_reply = r;
|
|
break;
|
|
|
|
case ARG_AUTO_START:
|
|
r = parse_boolean(optarg);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse --auto-start= parameter '%s': %m", optarg);
|
|
|
|
arg_auto_start = r;
|
|
break;
|
|
|
|
case ARG_ALLOW_INTERACTIVE_AUTHORIZATION:
|
|
r = parse_boolean(optarg);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse --allow-interactive-authorization= parameter '%s': %m", optarg);
|
|
|
|
arg_allow_interactive_authorization = r;
|
|
break;
|
|
|
|
case ARG_TIMEOUT:
|
|
r = parse_sec(optarg, &arg_timeout);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse --timeout= parameter '%s': %m", optarg);
|
|
|
|
break;
|
|
|
|
case ARG_AUGMENT_CREDS:
|
|
r = parse_boolean(optarg);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse --augment-creds= parameter '%s': %m", optarg);
|
|
|
|
arg_augment_creds = r;
|
|
break;
|
|
|
|
case ARG_WATCH_BIND:
|
|
r = parse_boolean(optarg);
|
|
if (r < 0)
|
|
return log_error_errno(r, "Failed to parse --watch-bind= parameter '%s': %m", optarg);
|
|
|
|
arg_watch_bind = r;
|
|
break;
|
|
|
|
case 'j':
|
|
arg_json_format_flags = JSON_FORMAT_PRETTY_AUTO|JSON_FORMAT_COLOR_AUTO;
|
|
break;
|
|
|
|
case ARG_JSON:
|
|
r = json_parse_cmdline_parameter_and_warn(optarg, &arg_json_format_flags);
|
|
if (r <= 0)
|
|
return r;
|
|
|
|
break;
|
|
|
|
case ARG_DESTINATION:
|
|
arg_destination = optarg;
|
|
break;
|
|
|
|
case '?':
|
|
return -EINVAL;
|
|
|
|
default:
|
|
assert_not_reached("Unhandled option");
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int busctl_main(int argc, char *argv[]) {
|
|
static const Verb verbs[] = {
|
|
{ "list", VERB_ANY, 1, VERB_DEFAULT, list_bus_names },
|
|
{ "status", VERB_ANY, 2, 0, status },
|
|
{ "monitor", VERB_ANY, VERB_ANY, 0, verb_monitor },
|
|
{ "capture", VERB_ANY, VERB_ANY, 0, verb_capture },
|
|
{ "tree", VERB_ANY, VERB_ANY, 0, tree },
|
|
{ "introspect", 3, 4, 0, introspect },
|
|
{ "call", 5, VERB_ANY, 0, call },
|
|
{ "emit", 4, VERB_ANY, 0, emit_signal },
|
|
{ "get-property", 5, VERB_ANY, 0, get_property },
|
|
{ "set-property", 6, VERB_ANY, 0, set_property },
|
|
{ "help", VERB_ANY, VERB_ANY, 0, verb_help },
|
|
{}
|
|
};
|
|
|
|
return dispatch_verb(argc, argv, verbs, NULL);
|
|
}
|
|
|
|
static int run(int argc, char *argv[]) {
|
|
int r;
|
|
|
|
log_setup_cli();
|
|
|
|
r = parse_argv(argc, argv);
|
|
if (r <= 0)
|
|
return r;
|
|
|
|
return busctl_main(argc, argv);
|
|
}
|
|
|
|
DEFINE_MAIN_FUNCTION(run);
|