#include "bus-message.h"
#include "bus-internal.h"
#include "bus-util.h"
+#include "bus-dump.h"
static bool arg_no_pager = false;
static char *arg_address = NULL;
-static bool arg_no_unique = false;
+static bool arg_unique = false;
+static bool arg_acquired = false;
+static bool arg_activatable = false;
+static bool arg_show_machine = false;
static char **arg_matches = NULL;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
}
static int list_bus_names(sd_bus *bus, char **argv) {
- _cleanup_strv_free_ char **l = NULL;
+ _cleanup_strv_free_ char **acquired = NULL, **activatable = NULL;
+ _cleanup_free_ char **merged = NULL;
+ _cleanup_hashmap_free_ Hashmap *names = NULL;
char **i;
int r;
size_t max_i = 0;
+ unsigned n = 0;
+ void *v;
+ char *k;
+ Iterator iterator;
assert(bus);
- r = sd_bus_list_names(bus, &l);
+ r = sd_bus_list_names(bus, (arg_acquired || arg_unique) ? &acquired : NULL, arg_activatable ? &activatable : NULL);
if (r < 0) {
log_error("Failed to list names: %s", strerror(-r));
return r;
pager_open_if_enabled();
- strv_sort(l);
+ names = hashmap_new(string_hash_func, string_compare_func);
+ if (!names)
+ return log_oom();
- STRV_FOREACH(i, l)
+ STRV_FOREACH(i, acquired) {
max_i = MAX(max_i, strlen(*i));
- printf("%-*s %*s %-*s %-*s CONNECTION\n",
- (int) max_i, "NAME", 10, "PID", 15, "PROCESS", 16, "USER");
+ r = hashmap_put(names, *i, INT_TO_PTR(1));
+ if (r < 0) {
+ log_error("Failed to add to hashmap: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ STRV_FOREACH(i, activatable) {
+ max_i = MAX(max_i, strlen(*i));
+
+ r = hashmap_put(names, *i, INT_TO_PTR(2));
+ if (r < 0 && r != -EEXIST) {
+ log_error("Failed to add to hashmap: %s", strerror(-r));
+ return r;
+ }
+ }
+
+ merged = new(char*, hashmap_size(names) + 1);
+ HASHMAP_FOREACH_KEY(v, k, names, iterator)
+ merged[n++] = k;
+
+ merged[n] = NULL;
+ strv_sort(merged);
+
+ printf("%-*s %*s %-*s %-*s %-*s %-*s %-*s",
+ (int) max_i, "NAME", 10, "PID", 15, "PROCESS", 16, "USER", 13, "CONNECTION", 25, "UNIT", 10, "SESSION");
+
+ if (arg_show_machine)
+ puts(" MACHINE");
+ else
+ putchar('\n');
+
+ STRV_FOREACH(i, merged) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ sd_id128_t mid;
+
+ if (hashmap_get(names, *i) == INT_TO_PTR(2)) {
+ /* Activatable */
- STRV_FOREACH(i, l) {
- _cleanup_free_ char *owner = NULL;
- pid_t pid;
- uid_t uid;
+ printf("%-*s", (int) max_i, *i);
+ printf(" - - - (activatable) - - ");
+ if (arg_show_machine)
+ puts(" -");
+ else
+ putchar('\n');
+ continue;
+
+ }
+
+ if (!arg_unique && (*i)[0] == ':')
+ continue;
- if (arg_no_unique && (*i)[0] == ':')
+ if (!arg_acquired && (*i)[0] != ':')
continue;
printf("%-*s", (int) max_i, *i);
- r = sd_bus_get_owner_pid(bus, *i, &pid);
+ r = sd_bus_get_owner(bus, *i, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID|SD_BUS_CREDS_COMM|SD_BUS_CREDS_UNIQUE_NAME|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_SESSION, &creds);
if (r >= 0) {
- _cleanup_free_ char *comm = NULL;
+ const char *unique, *session, *unit;
+ pid_t pid;
+ uid_t uid;
- printf(" %10lu", (unsigned long) pid);
+ r = sd_bus_creds_get_pid(creds, &pid);
+ if (r >= 0) {
+ const char *comm = NULL;
- get_process_comm(pid, &comm);
- printf(" %-15s", strna(comm));
- } else
- printf(" - - ");
+ sd_bus_creds_get_comm(creds, &comm);
- r = sd_bus_get_owner_uid(bus, *i, &uid);
- if (r >= 0) {
- _cleanup_free_ char *u = NULL;
+ printf(" %10lu %-15s", (unsigned long) pid, strna(comm));
+ } else
+ fputs(" - - ", stdout);
- u = uid_to_name(uid);
- if (!u)
- return log_oom();
+ r = sd_bus_creds_get_uid(creds, &uid);
+ if (r >= 0) {
+ _cleanup_free_ char *u = NULL;
- if (strlen(u) > 16)
- u[16] = 0;
+ u = uid_to_name(uid);
+ if (!u)
+ return log_oom();
- printf(" %-16s", u);
- } else
- printf(" - ");
+ if (strlen(u) > 16)
+ u[16] = 0;
+
+ printf(" %-16s", u);
+ } else
+ fputs(" - ", stdout);
+
+ r = sd_bus_creds_get_unique_name(creds, &unique);
+ if (r >= 0)
+ printf(" %-13s", unique);
+ else
+ fputs(" - ", stdout);
+
+ r = sd_bus_creds_get_unit(creds, &unit);
+ if (r >= 0) {
+ _cleanup_free_ char *e;
- r = sd_bus_get_owner(bus, *i, &owner);
- if (r >= 0)
- printf(" %s\n", owner);
- else
- printf(" -\n");
+ e = ellipsize(unit, 25, 100);
+ if (!e)
+ return log_oom();
+
+ printf(" %-25s", e);
+ } else
+ fputs(" - ", stdout);
+
+ r = sd_bus_creds_get_session(creds, &session);
+ if (r >= 0)
+ printf(" %-10s", session);
+ else
+ fputs(" - ", stdout);
+
+ } else
+ printf(" - - - - - - ");
+
+ if (arg_show_machine) {
+ r = sd_bus_get_owner_machine_id(bus, *i, &mid);
+ if (r >= 0) {
+ char m[SD_ID128_STRING_MAX];
+ printf(" %s\n", sd_id128_to_string(mid, m));
+ } else
+ puts(" -");
+ } else
+ putchar('\n');
}
return 0;
}
static int monitor(sd_bus *bus, char *argv[]) {
+ bool added_something = false;
char **i;
int r;
log_error("Failed to add match: %s", strerror(-r));
return r;
}
+
+ added_something = true;
}
STRV_FOREACH(i, arg_matches) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
+
+ added_something = true;
+ }
+
+ if (!added_something) {
+ r = sd_bus_add_match(bus, "", NULL, NULL);
+ if (r < 0) {
+ log_error("Failed to add match: %s", strerror(-r));
+ return r;
+ }
}
for (;;) {
return r;
}
}
+}
- return -EINVAL;
+static int status(sd_bus *bus, char *argv[]) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ pid_t pid;
+ int r;
+
+ assert(bus);
+
+ if (strv_length(argv) != 2) {
+ log_error("Expects one argument.");
+ return -EINVAL;
+ }
+
+ r = parse_pid(argv[1], &pid);
+ if (r < 0)
+ r = sd_bus_get_owner(bus, argv[1], _SD_BUS_CREDS_ALL, &creds);
+ else
+ r = sd_bus_creds_new_from_pid(pid, _SD_BUS_CREDS_ALL, &creds);
+
+ if (r < 0) {
+ log_error("Failed to get credentials: %s", strerror(-r));
+ return r;
+ }
+
+ bus_creds_dump(creds, NULL);
+ return 0;
}
static int help(void) {
"Introspect the bus.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\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"
- " --no-unique Only show well-known names\n"
- " --match=MATCH Only show matching messages\n"
- " --no-pager Do not pipe output into a pager\n\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\n"
"Commands:\n"
" list List bus names\n"
- " monitor [SERVICE...] Show bus traffic\n",
+ " monitor [SERVICE...] Show bus traffic\n"
+ " status NAME Show name status\n"
+ " help Show this help\n",
program_invocation_short_name);
return 0;
ARG_USER,
ARG_ADDRESS,
ARG_MATCH,
- ARG_NO_UNIQUE
+ ARG_SHOW_MACHINE,
+ ARG_UNIQUE,
+ ARG_ACQUIRED,
+ ARG_ACTIVATABLE
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "system", no_argument, NULL, ARG_SYSTEM },
- { "user", no_argument, NULL, ARG_USER },
- { "address", required_argument, NULL, ARG_ADDRESS },
- { "no-unique", no_argument, NULL, ARG_NO_UNIQUE },
- { "match", required_argument, NULL, ARG_MATCH },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "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' },
{},
};
arg_address = optarg;
break;
- case ARG_NO_UNIQUE:
- arg_no_unique = true;
+ 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 (!arg_unique && !arg_acquired && !arg_activatable)
+ arg_unique = arg_acquired = arg_activatable = true;
+
return 1;
}
if (streq(argv[optind], "monitor"))
return monitor(bus, argv + optind);
+ if (streq(argv[optind], "status"))
+ return status(bus, argv + optind);
+
if (streq(argv[optind], "help"))
return help();