bus: parse uid/gid/pid/tid meta data from kdbus messages

[elogind.git] / src / libsystemd-bus / bus-internal.h

diff --git a/src/libsystemd-bus/bus-internal.h b/src/libsystemd-bus/bus-internal.h
index 809ad823fc6590005df5e257cc48a0ea240e69af..7cca9998bba72c577cdd8c1d2871348231892966 100644 (file)
--- a/src/libsystemd-bus/bus-internal.h
+++ b/src/libsystemd-bus/bus-internal.h
@@ -32,9 +32,10 @@
 
 #include "sd-bus.h"
 #include "bus-error.h"
+#include "bus-match.h"
 
 struct reply_callback {
-        sd_message_handler_t callback;
+        sd_bus_message_handler_t callback;
         void *userdata;
         usec_t timeout;
         uint64_t serial;
@@ -42,26 +43,57 @@ struct reply_callback {
 };
 
 struct filter_callback {
-        sd_message_handler_t callback;
+        sd_bus_message_handler_t callback;
         void *userdata;
 
+        unsigned last_iteration;
+
         LIST_FIELDS(struct filter_callback, callbacks);
 };
 
+struct object_callback {
+        sd_bus_message_handler_t callback;
+        void *userdata;
+
+        char *path;
+        bool is_fallback;
+
+        unsigned last_iteration;
+};
+
 enum bus_state {
+        BUS_UNSET,
         BUS_OPENING,
         BUS_AUTHENTICATING,
         BUS_HELLO,
         BUS_RUNNING
 };
 
+enum bus_auth {
+        _BUS_AUTH_INVALID,
+        BUS_AUTH_EXTERNAL,
+        BUS_AUTH_ANONYMOUS
+};
+
 struct sd_bus {
         unsigned n_ref;
         enum bus_state state;
-        int fd;
+        int input_fd, output_fd;
         int message_version;
+
+        bool is_kernel:1;
+        bool negotiate_fds:1;
         bool can_fds:1;
-        bool sent_hello:1;
+        bool bus_client:1;
+        bool ucred_valid:1;
+        bool is_server:1;
+        bool anonymous_auth:1;
+        bool prefer_readv:1;
+        bool prefer_writev:1;
+        bool processing:1;
+        bool match_callbacks_modified:1;
+        bool filter_callbacks_modified:1;
+        bool object_callbacks_modified:1;
 
         void *rbuffer;
         size_t rbuffer_size;
@@ -77,9 +109,11 @@ struct sd_bus {
 
         char *unique_name;
 
+        struct bus_match_node match_callbacks;
         Prioq *reply_callbacks_prioq;
         Hashmap *reply_callbacks;
         LIST_HEAD(struct filter_callback, filter_callbacks);
+        Hashmap *object_callbacks;
 
         union {
                 struct sockaddr sa;
@@ -89,18 +123,33 @@ struct sd_bus {
         } sockaddr;
         socklen_t sockaddr_size;
 
-        sd_id128_t peer;
+        char *kernel;
+
+        sd_id128_t server_id;
 
         char *address;
         unsigned address_index;
 
         int last_connect_error;
 
+        enum bus_auth auth;
+        size_t auth_rbegin;
         struct iovec auth_iovec[3];
         unsigned auth_index;
-        size_t auth_size;
-        char *auth_uid;
+        char *auth_buffer;
         usec_t auth_timeout;
+
+        struct ucred ucred;
+        char label[NAME_MAX];
+
+        int *fds;
+        unsigned n_fds;
+
+        char *exec_path;
+        char **exec_argv;
+
+        uint64_t hello_serial;
+        unsigned iteration_counter;
 };
 
 static inline void bus_unrefp(sd_bus **b) {
@@ -118,8 +167,31 @@ static inline void bus_unrefp(sd_bus **b) {
 #define BUS_MESSAGE_SIZE_MAX (64*1024*1024)
 #define BUS_AUTH_SIZE_MAX (64*1024)
 
+#define BUS_CONTAINER_DEPTH 128
+
 /* Defined by the specification as maximum size of an array in
  * bytes */
 #define BUS_ARRAY_MAX_SIZE 67108864
 
+#define BUS_FDS_MAX 1024
+
+#define BUS_EXEC_ARGV_MAX 256
+
 bool object_path_is_valid(const char *p);
+bool interface_name_is_valid(const char *p);
+bool service_name_is_valid(const char *p);
+bool member_name_is_valid(const char *p);
+
+bool namespace_complex_pattern(const char *pattern, const char *value);
+bool path_complex_pattern(const char *pattern, const char *value);
+
+bool namespace_simple_pattern(const char *pattern, const char *value);
+bool path_simple_pattern(const char *pattern, const char *value);
+
+int bus_message_type_from_string(const char *s, uint8_t *u);
+
+#define error_name_is_valid interface_name_is_valid
+
+int bus_ensure_running(sd_bus *bus);
+int bus_start_running(sd_bus *bus);
+int bus_next_address(sd_bus *bus);