1 files changed, 23 insertions, 0 deletions
diff --git a/src/or/cell.c b/src/or/cell.c
new file mode 100644
index 000000000..ef53a9eae
--- /dev/null
+++ b/src/or/cell.c
@@ -0,0 +1,23 @@
+
+#include "or.h"
+
+int check_sane_cell(cell_t *cell) {
+
+  if(!cell)
+    return -1;
+
+  if(cell->aci == 0) {
+    log(LOG_DEBUG,"check_sane_cell(): Cell has aci=0. Dropping.");
+    return -1;
+  }
+
+#if 0 /* actually, the length is sometimes encrypted. so it's ok. */
+  if(cell->length > 120) {
+    log(LOG_DEBUG,"check_sane_cell(): Cell claims to have payload length %d. Dropping.",cell->length);
+    return -1;
+  }
+#endif
+
+  return 0; /* looks good */
+}
+