chiark / gitweb /
util: replace close_nointr_nofail() by a more useful safe_close()
[elogind.git] / src / machine / machine-dbus.c
index db379d2f8b8a6e289411b85cc061d3cb6f45ed65..920c9956aeeb953948c12be2cc7f5a350369620f 100644 (file)
 
 #include <errno.h>
 #include <string.h>
+#include <sys/capability.h>
 
 #include "bus-util.h"
+#include "bus-label.h"
 #include "strv.h"
 #include "machine.h"
 
@@ -32,8 +34,8 @@ static int property_get_id(
                 const char *interface,
                 const char *property,
                 sd_bus_message *reply,
-                sd_bus_error *error,
-                void *userdata) {
+                void *userdata,
+                sd_bus_error *error) {
 
         Machine *m = userdata;
         int r;
@@ -55,8 +57,8 @@ static int property_get_state(
                 const char *interface,
                 const char *property,
                 sd_bus_message *reply,
-                sd_bus_error *error,
-                void *userdata) {
+                void *userdata,
+                sd_bus_error *error) {
 
         Machine *m = userdata;
         const char *state;
@@ -77,7 +79,7 @@ static int property_get_state(
 
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_class, machine_class, MachineClass);
 
-static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata) {
+static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Machine *m = userdata;
         int r;
 
@@ -87,12 +89,12 @@ static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata
 
         r = machine_stop(m);
         if (r < 0)
-                return sd_bus_reply_method_errno(bus, message, r, NULL);
+                return r;
 
-        return sd_bus_reply_method_return(bus, message, NULL);
+        return sd_bus_reply_method_return(message, NULL);
 }
 
-static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) {
+static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Machine *m = userdata;
         const char *swho;
         int32_t signo;
@@ -105,44 +107,44 @@ static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) {
 
         r = sd_bus_message_read(message, "si", &swho, &signo);
         if (r < 0)
-                return sd_bus_reply_method_errno(bus, message, r, NULL);
+                return r;
 
         if (isempty(swho))
                 who = KILL_ALL;
         else {
                 who = kill_who_from_string(swho);
                 if (who < 0)
-                        return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
         }
 
         if (signo <= 0 || signo >= _NSIG)
-                return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
 
         r = machine_kill(m, who, signo);
         if (r < 0)
-                return sd_bus_reply_method_errno(bus, message, r, NULL);
+                return r;
 
-        return sd_bus_reply_method_return(bus, message, NULL);
+        return sd_bus_reply_method_return(message, NULL);
 }
 
 const sd_bus_vtable machine_vtable[] = {
         SD_BUS_VTABLE_START(0),
-        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), 0),
-        SD_BUS_PROPERTY("Id", "ay", property_get_id, 0, 0),
-        SD_BUS_PROPERTY("Timestamp", "t", NULL, offsetof(Machine, timestamp.realtime), 0),
-        SD_BUS_PROPERTY("TimestampMonotonic", "t", NULL, offsetof(Machine, timestamp.monotonic), 0),
-        SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), 0),
-        SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, scope), 0),
-        SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader), 0),
-        SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), 0),
+        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(Machine, name), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Id", "ay", property_get_id, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(Machine, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Service", "s", NULL, offsetof(Machine, service), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Unit", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Scope", "s", NULL, offsetof(Machine, unit), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
+        SD_BUS_PROPERTY("Leader", "u", NULL, offsetof(Machine, leader), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Class", "s", property_get_class, offsetof(Machine, class), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
-        SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(Machine, root_directory), 0),
-        SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, 0),
-        SD_BUS_METHOD("Kill", "si", NULL, method_kill, 0),
+        SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+        SD_BUS_METHOD("Kill", "si", NULL, method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
         SD_BUS_VTABLE_END
 };
 
-int machine_object_find(sd_bus *bus, const char *path, const char *interface, void **found, void *userdata) {
+int machine_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
         Manager *m = userdata;
         Machine *machine;
         int r;
@@ -154,6 +156,7 @@ int machine_object_find(sd_bus *bus, const char *path, const char *interface, vo
         assert(m);
 
         if (streq(path, "/org/freedesktop/machine1/machine/self")) {
+                _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
                 sd_bus_message *message;
                 pid_t pid;
 
@@ -161,9 +164,13 @@ int machine_object_find(sd_bus *bus, const char *path, const char *interface, vo
                 if (!message)
                         return 0;
 
-                r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), &pid);
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
                 if (r < 0)
-                        return 0;
+                        return r;
+
+                r = sd_bus_creds_get_pid(creds, &pid);
+                if (r < 0)
+                        return r;
 
                 r = manager_get_machine_by_pid(m, pid, &machine);
                 if (r <= 0)
@@ -176,7 +183,7 @@ int machine_object_find(sd_bus *bus, const char *path, const char *interface, vo
                 if (!p)
                         return 0;
 
-                e = bus_path_unescape(p);
+                e = bus_label_unescape(p);
                 if (!e)
                         return -ENOMEM;
 
@@ -194,14 +201,14 @@ char *machine_bus_path(Machine *m) {
 
         assert(m);
 
-        e = bus_path_escape(m->name);
+        e = bus_label_escape(m->name);
         if (!e)
                 return NULL;
 
         return strappend("/org/freedesktop/machine1/machine/", e);
 }
 
-int machine_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *userdata) {
+int machine_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
         _cleanup_strv_free_ char **l = NULL;
         Machine *machine = NULL;
         Manager *m = userdata;
@@ -219,11 +226,9 @@ int machine_node_enumerator(sd_bus *bus, const char *path, char ***nodes, void *
                 if (!p)
                         return -ENOMEM;
 
-                r = strv_push(&l, p);
-                if (r < 0) {
-                        free(p);
+                r = strv_consume(&l, p);
+                if (r < 0)
                         return r;
-                }
         }
 
         *nodes = l;
@@ -262,7 +267,7 @@ int machine_send_create_reply(Machine *m, sd_bus_error *error) {
         m->create_message = NULL;
 
         if (error)
-                return sd_bus_reply_method_error(m->manager->bus, c, error);
+                return sd_bus_reply_method_error(c, error);
 
         /* Update the machine state file before we notify the client
          * about the result. */
@@ -272,5 +277,5 @@ int machine_send_create_reply(Machine *m, sd_bus_error *error) {
         if (!p)
                 return -ENOMEM;
 
-        return sd_bus_reply_method_return(m->manager->bus, c, "o", p);
+        return sd_bus_reply_method_return(c, "o", p);
 }