From 524a439d6ef2b5de4157364b440fa94ff7a13706 Mon Sep 17 00:00:00 2001
From: Yann GASCUEL <34003959+lnv42@users.noreply.github.com>
Date: Wed, 24 Jan 2024 13:57:05 +0100
Subject: [PATCH] cmdhf15: dump: fix arg parsing/sanitization

---
 client/src/cmdhf15.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/client/src/cmdhf15.c b/client/src/cmdhf15.c
index c6eb887c5..c7f9049ac 100644
--- a/client/src/cmdhf15.c
+++ b/client/src/cmdhf15.c
@@ -1744,7 +1744,7 @@ static int CmdHF15Dump(const char *Cmd) {
     CLIParserFree(ctx);
 
     // sanity checks
-    if ((scan + unaddressed + uidlen) > 1) {
+    if ((scan + unaddressed + (uidlen > 0)) > 1) {
         PrintAndLogEx(WARNING, "Select only one option /scan/unaddress/uid");
         return PM3_EINVARG;
     }
@@ -1755,8 +1755,7 @@ static int CmdHF15Dump(const char *Cmd) {
     }
 
     // default fallback to scan for tag.
-    // overriding unaddress parameter :)
-    if (uidlen != HF15_UID_LENGTH) {
+    if (uidlen != HF15_UID_LENGTH && !unaddressed) {
         scan = true;
     }