socket: add option for SO_PASSCRED

[elogind.git] / src / pam-module.c

diff --git a/src/pam-module.c b/src/pam-module.c
index a3ce2468d57ed6e1861121988b59b2c0e4d26f03..46b7becc5d04480d7ea5ef79f5e61dc975620fb7 100644 (file)
--- a/src/pam-module.c
+++ b/src/pam-module.c
@@ -445,8 +445,8 @@ _public_ PAM_EXTERN int pam_sm_open_session(
         pam_get_item(handle, PAM_TTY, (const void**) &tty);
         pam_get_item(handle, PAM_RUSER, (const void**) &remote_user);
         pam_get_item(handle, PAM_RHOST, (const void**) &remote_host);
-        seat = pam_getenv(handle, "LOGIN_SEAT");
-        cvtnr = pam_getenv(handle, "LOGIN_VTNR");
+        seat = pam_getenv(handle, "XDG_SEAT");
+        cvtnr = pam_getenv(handle, "XDG_VTNR");
 
         service = strempty(service);
         tty = strempty(tty);
@@ -463,6 +463,10 @@ _public_ PAM_EXTERN int pam_sm_open_session(
                 if (isempty(display))
                         display = tty;
                 tty = "";
+        } else if (streq(tty, "cron")) {
+                /* cron has been setting PAM_TTY to "cron" for a very long time
+                 * and it cannot stop doing that for compatibility reasons. */
+                tty = "";
         }
 
         if (!isempty(cvtnr))
@@ -472,7 +476,7 @@ _public_ PAM_EXTERN int pam_sm_open_session(
                 get_seat_from_display(display, &seat, &vtnr);
 
         type = !isempty(display) ? "x11" :
-                   !isempty(tty) ? "tty" : "other";
+                   !isempty(tty) ? "tty" : "unspecified";
 
         remote = !isempty(remote_host) && !streq(remote_host, "localhost") && !streq(remote_host, "localhost.localdomain");
 
@@ -529,6 +533,8 @@ _public_ PAM_EXTERN int pam_sm_open_session(
                                    DBUS_TYPE_OBJECT_PATH, &object_path,
                                    DBUS_TYPE_STRING, &runtime_path,
                                    DBUS_TYPE_UNIX_FD, &session_fd,
+                                   DBUS_TYPE_STRING, &seat,
+                                   DBUS_TYPE_UINT32, &vtnr,
                                    DBUS_TYPE_INVALID)) {
                 pam_syslog(handle, LOG_ERR, "Failed to parse message: %s", bus_error_message(&error));
                 r = PAM_SESSION_ERR;
@@ -547,6 +553,26 @@ _public_ PAM_EXTERN int pam_sm_open_session(
                 goto finish;
         }
 
+        if (!isempty(seat)) {
+                r = pam_misc_setenv(handle, "XDG_SEAT", seat, 0);
+                if (r != PAM_SUCCESS) {
+                        pam_syslog(handle, LOG_ERR, "Failed to set seat.");
+                        goto finish;
+                }
+        }
+
+        if (vtnr > 0) {
+                char buf[11];
+                snprintf(buf, sizeof(buf), "%u", vtnr);
+                char_array_0(buf);
+
+                r = pam_misc_setenv(handle, "XDG_VTNR", buf, 0);
+                if (r != PAM_SUCCESS) {
+                        pam_syslog(handle, LOG_ERR, "Failed to set virtual terminal number.");
+                        goto finish;
+                }
+        }
+
         if (session_fd >= 0) {
                 r = pam_set_data(handle, "systemd.session-fd", INT_TO_PTR(session_fd+1), NULL);
                 if (r != PAM_SUCCESS) {