Add a noop pam_sm_close_session() implementation

Apparently PAM requires all functions in the group to be defined even if a noop is desired.
ifreund · Mar 6, 2022 · 11d0c52 · 11d0c52
1 parent e3ebc5b
commit 11d0c52
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/pam_dumb_runtime_dir.c b/pam_dumb_runtime_dir.c
@@ -81,3 +81,16 @@ int pam_sm_open_session(pam_handle_t *pamh, int flags,
 
 	return PAM_SUCCESS;
 }
+
+/* PAM requires all functions in a group to be defined, even if a noop is
+ * desired. Otherwise, PAM_MODULE_UNKNOWN is returned when the application
+ * calls pam_close_session(3). */
+int pam_sm_close_session(pam_handle_t *pamh, int flags,
+		int argc, const char **argv) {
+	(void)pamh;
+	(void)flags;
+	(void)argc;
+	(void)argv;
+
+	return PAM_SUCCESS;
+}