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-rw-r--r--src/libsystemd-bus/bus-util.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/src/libsystemd-bus/bus-util.c b/src/libsystemd-bus/bus-util.c
index 42374fe16c..6a2fb04a77 100644
--- a/src/libsystemd-bus/bus-util.c
+++ b/src/libsystemd-bus/bus-util.c
@@ -450,3 +450,193 @@ int bus_connect_system(sd_bus **_bus) {
*_bus = bus;
return 0;
}
+
+int bus_connect_system_ssh(const char *host, sd_bus **_bus) {
+ sd_bus *bus;
+ char *p = NULL;
+ int r;
+
+ assert(_bus);
+ assert(host);
+
+ asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s,argv3=systemd-stdio-bridge", host);
+ if (!p)
+ return -ENOMEM;
+
+ r = sd_bus_new(&bus);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_set_address(bus, p);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_set_bus_client(bus, true);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_start(bus);
+ if (r < 0)
+ return r;
+
+ *_bus = bus;
+ return 0;
+}
+
+int bus_generic_print_property(const char *name, sd_bus_message *property, bool all) {
+ char type;
+ const char *contents;
+
+ assert(name);
+ assert(property);
+
+ sd_bus_message_peek_type(property, &type, &contents);
+
+ switch (type) {
+
+ case SD_BUS_TYPE_STRING: {
+ const char *s;
+ sd_bus_message_read_basic(property, type, &s);
+
+ if (all || !isempty(s))
+ printf("%s=%s\n", name, s);
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_BOOLEAN: {
+ bool b;
+
+ sd_bus_message_read_basic(property, type, &b);
+ printf("%s=%s\n", name, yes_no(b));
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_UINT64: {
+ uint64_t u;
+
+ sd_bus_message_read_basic(property, type, &u);
+
+ /* Yes, heuristics! But we can change this check
+ * should it turn out to not be sufficient */
+
+ if (endswith(name, "Timestamp")) {
+ char timestamp[FORMAT_TIMESTAMP_MAX], *t;
+
+ t = format_timestamp(timestamp, sizeof(timestamp), u);
+ if (t || all)
+ printf("%s=%s\n", name, strempty(t));
+
+ } else if (strstr(name, "USec")) {
+ char timespan[FORMAT_TIMESPAN_MAX];
+
+ printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u, 0));
+ } else
+ printf("%s=%llu\n", name, (unsigned long long) u);
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_UINT32: {
+ uint32_t u;
+
+ sd_bus_message_read_basic(property, type, &u);
+
+ if (strstr(name, "UMask") || strstr(name, "Mode"))
+ printf("%s=%04o\n", name, u);
+ else
+ printf("%s=%u\n", name, (unsigned) u);
+
+ return 1;
+ }
+
+ case SD_BUS_TYPE_INT32: {
+ int32_t i;
+
+ sd_bus_message_read_basic(property, type, &i);
+
+ printf("%s=%i\n", name, (int) i);
+ return 1;
+ }
+
+ case SD_BUS_TYPE_DOUBLE: {
+ double d;
+
+ sd_bus_message_read_basic(property, type, &d);
+
+ printf("%s=%g\n", name, d);
+ return 1;
+ }
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (streq(contents, "s")) {
+ bool space = false;
+ char tp;
+ const char *cnt;
+
+ sd_bus_message_enter_container(property, SD_BUS_TYPE_ARRAY, contents);
+
+ sd_bus_message_peek_type(property, &tp, &cnt);
+ if (all || cnt) {
+ const char *str;
+
+ printf("%s=", name);
+
+
+ while(sd_bus_message_read_basic(property, SD_BUS_TYPE_STRING, &str)) {
+ printf("%s%s", space ? " " : "", str);
+
+ space = true;
+ }
+
+ puts("");
+ }
+
+ sd_bus_message_exit_container(property);
+
+ return 1;
+
+ } else if (streq(contents, "y")) {
+ const uint8_t *u;
+ size_t n;
+
+ sd_bus_message_read_array(property, SD_BUS_TYPE_BYTE, (const void**) &u, &n);
+ if (all || n > 0) {
+ unsigned int i;
+
+ printf("%s=", name);
+
+ for (i = 0; i < n; i++)
+ printf("%02x", u[i]);
+
+ puts("");
+ }
+
+ return 1;
+
+ } else if (streq(contents, "u")) {
+ uint32_t *u;
+ size_t n;
+
+ sd_bus_message_read_array(property, SD_BUS_TYPE_UINT32, (const void**) &u, &n);
+ if (all || n > 0) {
+ unsigned int i;
+
+ printf("%s=", name);
+
+ for (i = 0; i < n; i++)
+ printf("%08x", u[i]);
+
+ puts("");
+ }
+
+ return 1;
+ }
+
+ break;
+ }
+
+ return 0;
+}