X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogin%2Fsd-login.c;h=ed98412266deb8e151d3dbaa743f071d489501d2;hb=eff406331adb23e27e4bd29a3b69322fc359ca3d;hp=8893b1de80cfa4449850a9a08b7e424c6d334d2e;hpb=4cd9a9d9ecf3a8835e21930f3215a5f5b74144be;p=elogind.git

diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index 8893b1de8..ed9841226 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -415,6 +415,34 @@ _public_ int sd_session_get_seat(const char *session, char **seat) {
         return 0;
 }
 
+_public_ int sd_session_get_service(const char *session, char **service) {
+        char *p, *s = NULL;
+        int r;
+
+        if (!session)
+                return -EINVAL;
+        if (!service)
+                return -EINVAL;
+
+        p = strappend("/run/systemd/sessions/", session);
+        if (!p)
+                return -ENOMEM;
+
+        r = parse_env_file(p, NEWLINE, "SERVICE", &s, NULL);
+        free(p);
+
+        if (r < 0) {
+                free(s);
+                return r;
+        }
+
+        if (isempty(s))
+                return -ENOENT;
+
+        *service = s;
+        return 0;
+}
+
 _public_ int sd_seat_get_active(const char *seat, char **session, uid_t *uid) {
         char *p, *s = NULL, *t = NULL;
         int r;