sd-login: add calls that retrieve credentials of peers connected to AF_UNIX peers

[elogind.git] / src / systemd / sd-login.h

diff --git a/src/systemd/sd-login.h b/src/systemd/sd-login.h
index 6bd1f2da4a77203f66f8cf8495dec9b4cdbfb161..87ebafb26445e91905420d82198992d9d148a8c4 100644 (file)
--- a/src/systemd/sd-login.h
+++ b/src/systemd/sd-login.h
@@ -23,10 +23,9 @@
 ***/
 
 #include <sys/types.h>
+#include <inttypes.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include "_sd-common.h"
 
 /*
  * A few points:
@@ -48,6 +47,8 @@ extern "C" {
  * See sd-login(3) for more information.
  */
 
+_SD_BEGIN_DECLARATIONS;
+
 /* Get session from PID. Note that 'shared' processes of a user are
  * not attached to a session, but only attached to a user. This will
  * return an error for system processes and 'shared' processes of a
@@ -61,9 +62,45 @@ int sd_pid_get_session(pid_t pid, char **session);
  * return an error for system processes. */
 int sd_pid_get_owner_uid(pid_t pid, uid_t *uid);
 
-/* Get systemd unit (i.e. service) name from PID. This will return an
- * error for non-service processes. */
-int sd_pid_get_unit(pid_t, char **unit);
+/* Get systemd unit (i.e. service) name from PID, for system
+ * services. This will return an error for non-service processes. */
+int sd_pid_get_unit(pid_t pid, char **unit);
+
+/* Get systemd unit (i.e. service) name from PID, for user
+ * services. This will return an error for non-user-service
+ * processes. */
+int sd_pid_get_user_unit(pid_t pid, char **unit);
+
+/* Get machine name from PID, for processes assigned to VM or
+ * container. This will return an error for non-machine processes. */
+int sd_pid_get_machine_name(pid_t pid, char **machine);
+
+/* Get slice name from PID. */
+int sd_pid_get_slice(pid_t pid, char **slice);
+
+/* Similar to sd_pid_get_session(), but retrieves data about peer of
+ * connected AF_UNIX socket */
+int sd_peer_get_session(int fd, char **session);
+
+/* Similar to sd_pid_get_owner_uid(), but retrieves data about peer of
+ * connected AF_UNIX socket */
+int sd_peer_get_owner_uid(int fd, uid_t *uid);
+
+/* Similar to sd_pid_get_unit(), but retrieves data about peer of
+ * connected AF_UNIX socket */
+int sd_peer_get_unit(int fd, char **unit);
+
+/* Similar to sd_pid_get_user_unit(), but retrieves data about peer of
+ * connected AF_UNIX socket */
+int sd_peer_get_user_unit(int fd, char **unit);
+
+/* Similar to sd_pid_get_machine_name(), but retrieves data about peer
+ * of connected AF_UNIX socket */
+int sd_peer_get_machine_name(int fd, char **machine);
+
+/* Similar to sd_pid_get_slice(), but retrieves data about peer of
+ * connected AF_UNIX socket */
+int sd_peer_get_slice(int fd, char **slice);
 
 /* Get state from uid. Possible states: offline, lingering, online, active, closing */
 int sd_uid_get_state(uid_t uid, char**state);
@@ -82,13 +119,16 @@ int sd_uid_get_sessions(uid_t uid, int require_active, char ***sessions);
  * just return number of seats.*/
 int sd_uid_get_seats(uid_t uid, int require_active, char ***seats);
 
-/* Return 1 if the session is a active. */
+/* Return 1 if the session is active. */
 int sd_session_is_active(const char *session);
 
+/* Return 1 if the session is remote. */
+int sd_session_is_remote(const char *session);
+
 /* Get state from session. Possible states: online, active, closing
  * (This function is a more generic version of
  * sd_session_is_active().) */
-int sd_session_get_state(const char *sessio, char **state);
+int sd_session_get_state(const char *session, char **state);
 
 /* Determine user id of session */
 int sd_session_get_uid(const char *session, uid_t *uid);
@@ -108,6 +148,18 @@ int sd_session_get_class(const char *session, char **clazz);
 /* Determine the X11 display of this session. */
 int sd_session_get_display(const char *session, char **display);
 
+/* Determine the remote host of this session. */
+int sd_session_get_remote_host(const char *session, char **remote_host);
+
+/* Determine the remote user of this session (if provided by PAM). */
+int sd_session_get_remote_user(const char *session, char **remote_user);
+
+/* Determine the TTY of this session. */
+int sd_session_get_tty(const char *session, char **display);
+
+/* Determine the VT number of this session. */
+int sd_session_get_vt(const char *session, unsigned *vtnr);
+
 /* Return active session and user of seat */
 int sd_seat_get_active(const char *seat, char **session, uid_t *uid);
 
@@ -125,6 +177,9 @@ int sd_seat_can_tty(const char *seat);
 /* Return whether the seat is graphics capable, i.e. suitable for showing graphical UIs */
 int sd_seat_can_graphical(const char *seat);
 
+/* Return the class of machine */
+int sd_machine_get_class(const char *machine, char **class);
+
 /* Get all seats, store in *seats. Returns the number of seats. If
  * seats is NULL only returns number of seats. */
 int sd_get_seats(char ***seats);
@@ -137,11 +192,15 @@ int sd_get_sessions(char ***sessions);
  * users. If users is NULL only returns the number of users. */
 int sd_get_uids(uid_t **users);
 
+/* Get all running virtual machines/containers */
+int sd_get_machine_names(char ***machines);
+
 /* Monitor object */
 typedef struct sd_login_monitor sd_login_monitor;
 
 /* Create a new monitor. Category must be NULL, "seat", "session",
- * "uid" to get monitor events for the specific category (or all). */
+ * "uid", "machine" to get monitor events for the specific category
+ * (or all). */
 int sd_login_monitor_new(const char *category, sd_login_monitor** ret);
 
 /* Destroys the passed monitor. Returns NULL. */
@@ -153,8 +212,12 @@ int sd_login_monitor_flush(sd_login_monitor *m);
 /* Get FD from monitor */
 int sd_login_monitor_get_fd(sd_login_monitor *m);
 
-#ifdef __cplusplus
-}
-#endif
+/* Get poll() mask to monitor */
+int sd_login_monitor_get_events(sd_login_monitor *m);
+
+/* Get timeout for poll(), as usec value relative to CLOCK_MONOTONIC's epoch */
+int sd_login_monitor_get_timeout(sd_login_monitor *m, uint64_t *timeout_usec);
+
+_SD_END_DECLARATIONS;
 
 #endif