#include "bus-dump.h"
static bool arg_no_pager = false;
+static bool arg_legend = true;
static char *arg_address = NULL;
static bool arg_unique = false;
static bool arg_acquired = false;
static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
static char *arg_host = NULL;
static bool arg_user = false;
+static size_t arg_snaplen = 4096;
static void pager_open_if_enabled(void) {
pager_open_if_enabled();
- names = hashmap_new(string_hash_func, string_compare_func);
+ names = hashmap_new(&string_hash_ops);
if (!names)
return log_oom();
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_legend) {
+ printf("%-*s %*s %-*s %-*s %-*s %-*s %-*s %-*s",
+ (int) max_i, "NAME", 10, "PID", 15, "PROCESS", 16, "USER", 13, "CONNECTION", 25, "UNIT", 10, "SESSION", 19, "DESCRIPTION");
- if (arg_show_machine)
- puts(" MACHINE");
- else
- putchar('\n');
+ if (arg_show_machine)
+ puts(" MACHINE");
+ else
+ putchar('\n');
+ }
STRV_FOREACH(i, merged) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
printf("%-*s", (int) max_i, *i);
- 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);
+ r = sd_bus_get_name_creds(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|
+ SD_BUS_CREDS_DESCRIPTION, &creds);
if (r >= 0) {
- const char *unique, *session, *unit;
+ const char *unique, *session, *unit, *cn;
pid_t pid;
uid_t uid;
else
fputs(" - ", stdout);
+ r = sd_bus_creds_get_description(creds, &cn);
+ if (r >= 0)
+ printf(" %-19s", cn);
+ else
+ fputs(" - ", stdout);
+
} else
- printf(" - - - - - - ");
+ printf(" - - - - - - - ");
if (arg_show_machine) {
- r = sd_bus_get_owner_machine_id(bus, *i, &mid);
+ r = sd_bus_get_name_machine_id(bus, *i, &mid);
if (r >= 0) {
char m[SD_ID128_STRING_MAX];
printf(" %s\n", sd_id128_to_string(mid, m));
return 0;
}
-static int monitor(sd_bus *bus, char *argv[]) {
+static int message_dump(sd_bus_message *m, FILE *f) {
+ return bus_message_dump(m, f, true);
+}
+
+static int message_pcap(sd_bus_message *m, FILE *f) {
+ return bus_message_pcap_frame(m, arg_snaplen, f);
+}
+
+static int monitor(sd_bus *bus, char *argv[], int (*dump)(sd_bus_message *m, FILE *f)) {
bool added_something = false;
char **i;
int r;
if (!m)
return log_oom();
- r = sd_bus_add_match(bus, m, NULL, NULL);
+ r = sd_bus_add_match(bus, NULL, m, NULL, NULL);
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
STRV_FOREACH(i, arg_matches) {
- r = sd_bus_add_match(bus, *i, NULL, NULL);
+ r = sd_bus_add_match(bus, NULL, *i, NULL, NULL);
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
if (!added_something) {
- r = sd_bus_add_match(bus, "", NULL, NULL);
+ r = sd_bus_add_match(bus, NULL, "", NULL, NULL);
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
if (m) {
- bus_message_dump(m, stdout, true);
+ dump(m, stdout);
continue;
}
}
}
+static int capture(sd_bus *bus, char *argv[]) {
+ int r;
+
+ if (isatty(fileno(stdout)) > 0) {
+ log_error("Refusing to write message data to console, please redirect output to a file.");
+ return -EINVAL;
+ }
+
+ bus_pcap_header(arg_snaplen, stdout);
+
+ r = monitor(bus, argv, message_pcap);
+ if (r < 0)
+ return r;
+
+ if (ferror(stdout)) {
+ log_error("Couldn't write capture file.");
+ return -EIO;
+ }
+
+ return r;
+}
+
static int status(sd_bus *bus, char *argv[]) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
pid_t pid;
r = parse_pid(argv[1], &pid);
if (r < 0)
- r = sd_bus_get_owner(bus, argv[1], _SD_BUS_CREDS_ALL, &creds);
+ r = sd_bus_get_name_creds(bus, argv[1], _SD_BUS_CREDS_ALL, &creds);
else
- r = sd_bus_creds_new_from_pid(pid, _SD_BUS_CREDS_ALL, &creds);
+ r = sd_bus_creds_new_from_pid(&creds, pid, _SD_BUS_CREDS_ALL);
if (r < 0) {
log_error("Failed to get credentials: %s", strerror(-r));
}
static int help(void) {
-
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
"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"
+ " --no-legend Do not show the headers and footers\n"
" --system Connect to system bus\n"
" --user Connect to user bus\n"
" -H --host=[USER@]HOST Operate on remote host\n"
"Commands:\n"
" list List bus names\n"
" monitor [SERVICE...] Show bus traffic\n"
+ " capture [SERVICE...] Capture bus traffic as pcap\n"
" status NAME Show name status\n"
- " help Show this help\n",
- program_invocation_short_name);
+ " help Show this help\n"
+ , program_invocation_short_name);
return 0;
}
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
+ ARG_NO_LEGEND,
ARG_SYSTEM,
ARG_USER,
ARG_ADDRESS,
ARG_SHOW_MACHINE,
ARG_UNIQUE,
ARG_ACQUIRED,
- ARG_ACTIVATABLE
+ ARG_ACTIVATABLE,
+ ARG_SIZE,
};
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 },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
{ "address", required_argument, NULL, ARG_ADDRESS },
{ "match", required_argument, NULL, ARG_MATCH },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
+ { "size", required_argument, NULL, ARG_SIZE },
{},
};
- int c;
+ int c, r;
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0)
switch (c) {
arg_no_pager = true;
break;
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ break;
+
case ARG_USER:
arg_user = true;
break;
return log_oom();
break;
+ case ARG_SIZE: {
+ off_t o;
+
+ r = parse_size(optarg, 0, &o);
+ if (r < 0) {
+ log_error("Failed to parse size: %s", optarg);
+ return r;
+ }
+
+ if ((off_t) (size_t) o != o) {
+ log_error("Size out of range.");
+ return -E2BIG;
+ }
+
+ arg_snaplen = (size_t) o;
+ break;
+ }
+
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
default:
assert_not_reached("Unhandled option");
}
- }
if (!arg_unique && !arg_acquired && !arg_activatable)
arg_unique = arg_acquired = arg_activatable = true;
return list_bus_names(bus, argv + optind);
if (streq(argv[optind], "monitor"))
- return monitor(bus, argv + optind);
+ return monitor(bus, argv + optind, message_dump);
+
+ if (streq(argv[optind], "capture"))
+ return capture(bus, argv + optind);
if (streq(argv[optind], "status"))
return status(bus, argv + optind);
}
int main(int argc, char *argv[]) {
- _cleanup_bus_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
log_parse_environment();
if (r <= 0)
goto finish;
- if (arg_address) {
- r = sd_bus_new(&bus);
+ r = sd_bus_new(&bus);
+ if (r < 0) {
+ log_error("Failed to allocate bus: %s", strerror(-r));
+ goto finish;
+ }
+
+ if (streq_ptr(argv[optind], "monitor") ||
+ streq_ptr(argv[optind], "capture")) {
+
+ r = sd_bus_set_monitor(bus, true);
if (r < 0) {
- log_error("Failed to allocate bus: %s", strerror(-r));
+ log_error("Failed to set monitor mode: %s", strerror(-r));
goto finish;
}
- r = sd_bus_set_address(bus, arg_address);
+ r = sd_bus_negotiate_creds(bus, _SD_BUS_CREDS_ALL);
if (r < 0) {
- log_error("Failed to set address: %s", strerror(-r));
+ log_error("Failed to enable credentials: %s", strerror(-r));
goto finish;
}
- r = sd_bus_set_bus_client(bus, true);
+ r = sd_bus_negotiate_timestamp(bus, true);
if (r < 0) {
- log_error("Failed to set bus client: %s", strerror(-r));
+ log_error("Failed to enable timestamps: %s", strerror(-r));
goto finish;
}
- r = sd_bus_start(bus);
- } else
- r = bus_open_transport(arg_transport, arg_host, arg_user, &bus);
+ r = sd_bus_negotiate_fds(bus, true);
+ if (r < 0) {
+ log_error("Failed to enable fds: %s", strerror(-r));
+ goto finish;
+ }
+ }
+
+ if (arg_address)
+ r = sd_bus_set_address(bus, arg_address);
+ else {
+ switch (arg_transport) {
+
+ case BUS_TRANSPORT_LOCAL:
+ if (arg_user)
+ r = bus_set_address_user(bus);
+ else
+ r = bus_set_address_system(bus);
+ break;
+
+ case BUS_TRANSPORT_REMOTE:
+ r = bus_set_address_system_remote(bus, arg_host);
+ break;
+
+ case BUS_TRANSPORT_CONTAINER:
+ r = bus_set_address_system_container(bus, arg_host);
+ break;
+
+ default:
+ assert_not_reached("Hmm, unknown transport type.");
+ }
+ }
+ if (r < 0) {
+ log_error("Failed to set address: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_set_bus_client(bus, true);
+ if (r < 0) {
+ log_error("Failed to set bus client: %s", strerror(-r));
+ goto finish;
+ }
+ r = sd_bus_start(bus);
if (r < 0) {
log_error("Failed to connect to bus: %s", strerror(-r));
goto finish;