Implement the wrapper function cleanse_buffer in masterpassword.c

2 files changed, 10 insertions, 3 deletions

diff --git a/libsylph/masterpassword.c b/libsylph/masterpassword.c
index b86f06b..2da6969 100644
--- a/libsylph/masterpassword.c
+++ b/libsylph/masterpassword.c
@@ -38,11 +38,17 @@ gchar *get_master_password(void) {
         return master_password;
 }
 
-void unload_master_password(void) {
-
+void cleanse_buffer(void *buf, size_t len) {
 #if USE_SSL
-        OPENSSL_cleanse(master_password, strlen(master_password));
+        OPENSSL_cleanse(buf, len);
+#else
+        memset(buf, 0, len); /* better than nothing */
 #endif
+}
+
+void unload_master_password(void) {
+
+        cleanse_buffer(master_password, strlen(master_password));
         g_free(master_password);
         master_password = NULL;
 
diff --git a/libsylph/masterpassword.h b/libsylph/masterpassword.h
index 91f3793..cc32358 100644
--- a/libsylph/masterpassword.h
+++ b/libsylph/masterpassword.h
@@ -27,6 +27,7 @@
 extern gchar *master_password;
 void set_master_password(const char *password);
 gchar *get_master_password(void);
+void cleanse_buffer(void *buf, size_t len);
 void unload_master_password(void);
 gint mpes_string_prefix(const gchar *str);
 gboolean master_password_active(void);