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=9268247729f1baac7115b8bf38d305dbd6283777;hp=057931d0dfb08f6ebb97d4a44ba9ef45a37ad4f2;hb=90d184b234fbb72cb06636571655f30ba9858887;hpb=7286037fd438e93137571fa68a741cc894d8e549 diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h index 057931d0d..926824772 100644 --- a/src/systemd/sd-bus.h +++ b/src/systemd/sd-bus.h @@ -26,18 +26,24 @@ #include #include -#include "sd-bus-protocol.h" #ifdef __cplusplus extern "C" { #endif -/* TODO: - * - 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; @@ -48,7 +54,20 @@ 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" +#include "sd-memfd.h" /* Connections */ @@ -62,7 +81,14 @@ 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); @@ -89,21 +115,33 @@ int sd_bus_flush(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); sd_bus_message* sd_bus_message_ref(sd_bus_message *m); sd_bus_message* sd_bus_message_unref(sd_bus_message *m); @@ -120,11 +158,26 @@ 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_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); -const char *sd_bus_message_get_label(sd_bus_message *m); +int sd_bus_message_get_pid_starttime(sd_bus_message *m, uint64_t *usec); +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); @@ -135,16 +188,43 @@ 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_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); int sd_bus_message_rewind(sd_bus_message *m, int complete); +int sd_bus_message_get_signature(sd_bus_message *m, int complete, const char **signature); + +/* Convenience calls */ + +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_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); /* MISSING */ +int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_; /* MISSING */ +int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces); /* MISSING */ +int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_; /* MISSING */ + /* Bus management */ int sd_bus_get_unique_name(sd_bus *bus, const char **unique); @@ -154,19 +234,27 @@ 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_INIT {NULL, NULL, 0} -#define SD_BUS_ERROR_INIT_CONST(name, message) {(name), (message), 0} +#define SD_BUS_ERROR_NULL ((sd_bus_error) {NULL, NULL, 0}) +#define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0}) void sd_bus_error_free(sd_bus_error *e); -int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...); +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(sd_bus_error *e, const char *name, const char *message); void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message); 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_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