X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogin%2Floginctl.c;h=62d68b9072613f94842233e330668d3f5c9a713d;hb=f3f6ae7c983865ea37e8ddfbd676586e55280f1e;hp=9ff1b781df4e9d50e2cee0d7c0413f3e91fb4a6a;hpb=6b1c5e6d152a584896d71a3d9ad4d3f417050045;p=elogind.git

diff --git a/src/login/loginctl.c b/src/login/loginctl.c
index 9ff1b781d..62d68b907 100644
--- a/src/login/loginctl.c
+++ b/src/login/loginctl.c
@@ -928,6 +928,8 @@ static int show_session(int argc, char *argv[], void *userdata) {
         bool properties, new_line = false;
         sd_bus *bus = userdata;
         int r, i;
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_free_ char *path = NULL;
 
         assert(bus);
         assert(argv);
@@ -937,19 +939,27 @@ static int show_session(int argc, char *argv[], void *userdata) {
         pager_open(arg_no_pager, false);
 
         if (argc <= 1) {
-                /* If not argument is specified inspect the manager
-                 * itself */
+                const char *session, *p = "/org/freedesktop/login1/session/self";
+
                 if (properties)
+                        /* If no argument is specified inspect the manager itself */
                         return show_properties(bus, "/org/freedesktop/login1", &new_line);
 
                 /* And in the pretty case, show data of the calling session */
-                return print_session_status_info(bus, "/org/freedesktop/login1/session/self", &new_line);
+                session = getenv("XDG_SESSION_ID");
+                if (session) {
+                        r = get_session_path(bus, session, &error, &path);
+                        if (r < 0) {
+                                log_error("Failed to get session path: %s", bus_error_message(&error, r));
+                                return r;
+                        }
+                        p = path;
+                }
+
+                return print_session_status_info(bus, p, &new_line);
         }
 
         for (i = 1; i < argc; i++) {
-                _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
-                _cleanup_free_ char *path = NULL;
-
                 r = get_session_path(bus, argv[i], &error, &path);
                 if (r < 0) {
                         log_error("Failed to get session path: %s", bus_error_message(&error, r));
@@ -1095,12 +1105,11 @@ static int activate(int argc, char *argv[], void *userdata) {
         polkit_agent_open_if_enabled();
 
         if (argc < 2) {
-                /* No argument? Let's convert this into the empty
-                 * session name, which the calls will then resolve to
-                 * the caller's session. */
+                /* No argument? Let's either use $XDG_SESSION_ID (if specified), or an empty
+                 * session name, in which case logind will try to guess our session. */
 
                 short_argv[0] = argv[0];
-                short_argv[1] = (char*) "";
+                short_argv[1] = getenv("XDG_SESSION_ID") ?: (char*) "";
                 short_argv[2] = NULL;
 
                 argv = short_argv;
@@ -1176,8 +1185,11 @@ static int enable_linger(int argc, char *argv[], void *userdata) {
         b = streq(argv[0], "enable-linger");
 
         if (argc < 2) {
+                /* No argument? Let's either use $XDG_SESSION_ID (if specified), or an empty
+                 * session name, in which case logind will try to guess our session. */
+
                 short_argv[0] = argv[0];
-                short_argv[1] = (char*) "";
+                short_argv[1] = getenv("XDG_SESSION_ID") ?: (char*) "";
                 short_argv[2] = NULL;
                 argv = short_argv;
                 argc = 2;