X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemd%2Fsd-bus.h;h=4c2c06afa625fe87e050ee72e274e89b2a806be5;hp=4ab5924e7d94ec560f14bece61f01609c50cb228;hb=40ca29a1370379d43e44c0ed425eecc7218dcbca;hpb=8323bc1f907ff558df5ccd6bdf1e14debed5cf2e

diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index 4ab5924e7..4c2c06afa 100644
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -25,20 +25,27 @@
 #include <inttypes.h>
 #include <sys/types.h>
 
-#include <sd-id128.h>
-#include "sd-bus-protocol.h"
+#include "sd-id128.h"
+#include "sd-event.h"
+#include "sd-memfd.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-/* TODO:
- * - instead of adding in padding iovec when sending simply extend header buffer
- * - add page donation logic
- * - api for appending/reading fixed arrays
- * - merge busctl into systemctl or so?
- * - default policy (allow uid == 0 and our own uid)
- */
+#ifndef _sd_printf_attr_
+#  if __GNUC__ >= 4
+#    define _sd_printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
+#  else
+#    define _sd_printf_attr_(a,b)
+#  endif
+#endif
+
+#ifndef _sd_sentinel_attr_
+#  define _sd_sentinel_attr_ __attribute__((sentinel))
+#endif
+
+/* Types */
 
 typedef struct sd_bus sd_bus;
 typedef struct sd_bus_message sd_bus_message;
@@ -49,7 +56,16 @@ typedef struct {
         int need_free;
 } sd_bus_error;
 
-typedef int (*sd_bus_message_handler_t)(sd_bus *bus, int ret, sd_bus_message *m, void *userdata);
+/* Callbacks */
+
+typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata);
+typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, sd_bus_error *error, void *userdata);
+typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, sd_bus_error *error, void *userdata);
+typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void **found, void *userdata);
+typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, char ***nodes, void *userdata);
+
+#include "sd-bus-protocol.h"
+#include "sd-bus-vtable.h"
 
 /* Connections */
 
@@ -63,7 +79,14 @@ int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]);
 int sd_bus_set_bus_client(sd_bus *bus, int b);
 int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t server_id);
 int sd_bus_set_anonymous(sd_bus *bus, int b);
-int sd_bus_set_negotiate_fds(sd_bus *bus, int b);
+int sd_bus_negotiate_fds(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_comm(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_exe(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_cmdline(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_cgroup(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_caps(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_selinux_context(sd_bus *bus, int b);
+int sd_bus_negotiate_attach_audit(sd_bus *bus, int b);
 int sd_bus_start(sd_bus *ret);
 
 void sd_bus_close(sd_bus *bus);
@@ -87,24 +110,41 @@ int sd_bus_process(sd_bus *bus, sd_bus_message **r);
 int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
 int sd_bus_flush(sd_bus *bus);
 
+int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
+int sd_bus_detach_event(sd_bus *bus);
+
 int sd_bus_add_filter(sd_bus *bus, sd_bus_message_handler_t callback, void *userdata);
 int sd_bus_remove_filter(sd_bus *bus, sd_bus_message_handler_t callback, void *userdata);
 
+int sd_bus_add_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata);
+int sd_bus_remove_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata);
+
 int sd_bus_add_object(sd_bus *bus, const char *path, sd_bus_message_handler_t callback, void *userdata);
 int sd_bus_remove_object(sd_bus *bus, const char *path, sd_bus_message_handler_t callback, void *userdata);
 
 int sd_bus_add_fallback(sd_bus *bus, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
 int sd_bus_remove_fallback(sd_bus *bus, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
 
-int sd_bus_add_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata);
-int sd_bus_remove_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata);
+int sd_bus_add_object_vtable(sd_bus *bus, const char *path, const char *interface, const sd_bus_vtable *vtable, void *userdata);
+int sd_bus_remove_object_vtable(sd_bus *bus, const char *path, const char *interface);
 
-/* Message object */
+int sd_bus_add_fallback_vtable(sd_bus *bus, const char *path, const char *interface, const sd_bus_vtable *vtable, sd_bus_object_find_t find, void *userdata);
+int sd_bus_remove_fallback_vtable(sd_bus *bus, const char *path, const char *interface);
 
+int sd_bus_add_node_enumerator(sd_bus *bus, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
+int sd_bus_remove_node_enumerator(sd_bus *bus, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
+
+int sd_bus_add_object_manager(sd_bus *bus, const char *path);
+int sd_bus_remove_object_manager(sd_bus *bus, const char *path);
+
+/* Message object */
 int sd_bus_message_new_signal(sd_bus *bus, const char *path, const char *interface, const char *member, sd_bus_message **m);
 int sd_bus_message_new_method_call(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message **m);
 int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m);
 int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m);
+int sd_bus_message_new_method_errorf(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_attr_(5, 0);
+int sd_bus_message_new_method_errno(sd_bus *bus, sd_bus_message *call, int error, const sd_bus_error *e, sd_bus_message **m);
+int sd_bus_message_new_method_errnof(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_attr_(5, 0);
 
 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
@@ -114,19 +154,35 @@ int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial);
 int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial);
 int sd_bus_message_get_no_reply(sd_bus_message *m);
 
+const char *sd_bus_message_get_signature(sd_bus_message *m, int complete);
 const char *sd_bus_message_get_path(sd_bus_message *m);
 const char *sd_bus_message_get_interface(sd_bus_message *m);
 const char *sd_bus_message_get_member(sd_bus_message *m);
 const char *sd_bus_message_get_destination(sd_bus_message *m);
 const char *sd_bus_message_get_sender(sd_bus_message *m);
 const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
+int sd_bus_message_get_errno(sd_bus_message *m);
 
+int sd_bus_message_get_monotonic_timestamp(sd_bus_message *m, uint64_t *usec);
+int sd_bus_message_get_realtime_timestamp(sd_bus_message *m, uint64_t *usec);
 int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid);
 int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid);
 int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid);
 int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid);
 int sd_bus_message_get_pid_starttime(sd_bus_message *m, uint64_t *usec);
-const char *sd_bus_message_get_label(sd_bus_message *m);
+int sd_bus_message_get_selinux_context(sd_bus_message *m, const char **r);
+int sd_bus_message_get_comm(sd_bus_message *m, const char **r);
+int sd_bus_message_get_tid_comm(sd_bus_message *m, const char **r);
+int sd_bus_message_get_exe(sd_bus_message *m, const char **r);
+int sd_bus_message_get_cgroup(sd_bus_message *m, const char **r);
+int sd_bus_message_get_cmdline(sd_bus_message *m, char ***cmdline);
+int sd_bus_message_get_unit(sd_bus_message *m, const char **unit);
+int sd_bus_message_get_user_unit(sd_bus_message *m, const char **unit);
+int sd_bus_message_get_session(sd_bus_message *m, const char **session);
+int sd_bus_message_get_owner_uid(sd_bus_message *m, uid_t *uid);
+int sd_bus_message_get_audit_sessionid(sd_bus_message *m, uint32_t *sessionid);
+int sd_bus_message_get_audit_loginuid(sd_bus_message *m, uid_t *loginuid);
+int sd_bus_message_has_effective_cap(sd_bus_message *m, int capability);
 
 int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
 int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
@@ -137,11 +193,18 @@ int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
 
 int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
 int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
+int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
+int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr);
+int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, sd_memfd *memfd);
+int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
+int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd* memfd);
+int sd_bus_message_append_strv(sd_bus_message *m, char **l);
 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
 int sd_bus_message_close_container(sd_bus_message *m);
 
 int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
 int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
+int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
 int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
 int sd_bus_message_exit_container(sd_bus_message *m);
 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
@@ -149,10 +212,24 @@ int sd_bus_message_rewind(sd_bus_message *m, int complete);
 
 /* Convenience calls */
 
-int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
 int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *types, ...);
+int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *type);
+int sd_bus_set_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, const char *type, ...);
 int sd_bus_reply_method_return(sd_bus *bus, sd_bus_message *call, const char *types, ...);
 int sd_bus_reply_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e);
+int sd_bus_reply_method_errorf(sd_bus *bus, sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_attr_(4, 0);
+int sd_bus_reply_method_errno(sd_bus *bus, sd_bus_message *call, int error, const sd_bus_error *e);
+int sd_bus_reply_method_errnof(sd_bus *bus, sd_bus_message *call, int error, const char *format, ...) _sd_printf_attr_(4, 0);
+
+int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
+
+int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
+int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_attr_;
+
+int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);
+int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_;
+int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);
+int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_;
 
 /* Bus management */
 
@@ -163,19 +240,30 @@ int sd_bus_list_names(sd_bus *bus, char ***l);
 int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner);
 int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid);
 int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid);
+int sd_bus_get_owner_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);
 
 /* Error structures */
 
-#define SD_BUS_ERROR_NULL ((sd_bus_error) {NULL, NULL, 0})
 #define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0})
+#define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE(NULL, NULL)
 
 void sd_bus_error_free(sd_bus_error *e);
-int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...);
-void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
+int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message);
+int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...)  _sd_printf_attr_(3, 0);
+int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
+int sd_bus_error_set_errno(sd_bus_error *e, int error);
+int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_attr_(3, 0);
+int sd_bus_error_get_errno(const sd_bus_error *e);
 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
 int sd_bus_error_is_set(const sd_bus_error *e);
 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
 
+#define SD_BUS_MESSAGE_APPEND_ID128(x) 16,                              \
+                (x).bytes[0],  (x).bytes[1],  (x).bytes[2],  (x).bytes[3], \
+                (x).bytes[4],  (x).bytes[5],  (x).bytes[6],  (x).bytes[7], \
+                (x).bytes[8],  (x).bytes[9],  (x).bytes[10], (x).bytes[11], \
+                (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
+
 #ifdef __cplusplus
 }
 #endif