fix some iclass reader bugs (#350)

[proxmark3-svn] / client / cmdhficlass.c

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 05ca39e4e7e2f7c2963e0028925cced58d9f415d..7630b3a12f7b9b7d7e1b64849c81555d440ba417 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -191,8 +191,12 @@ int HFiClassReader(const char *Cmd, bool loop, bool verbose) {
                        uint8_t readStatus = resp.arg[0] & 0xff;
                        uint8_t *data = resp.d.asBytes;
 
-                       // no tag found
-                       if( readStatus == 0) continue;
+                       // no tag found or button pressed
+                       if( (readStatus == 0 && !loop) || readStatus == 0xFF) {
+                               // abort
+                               if (verbose) PrintAndLog("Quitting...");
+                               return 0;
+                       }
 
                        if( readStatus & FLAG_ICLASS_READER_CSN) {
                                PrintAndLog("   CSN: %s",sprint_hex(data,8));
@@ -1708,7 +1712,7 @@ static command_t CommandTable[] =
        {"loclass",     CmdHFiClass_loclass,            1,      "[options..] Use loclass to perform bruteforce of reader attack dump"},
        {"managekeys",  CmdHFiClassManageKeys,          1,      "[options..] Manage the keys to use with iClass"},
        {"readblk",     CmdHFiClass_ReadBlock,          0,      "[options..] Authenticate and Read iClass block"},
-       {"reader",      CmdHFiClassReader,              0,      "            Read an iClass tag"},
+       {"reader",      CmdHFiClassReader,              0,      "            Look for iClass tags until a key or the pm3 button is pressed"},
        {"readtagfile", CmdHFiClassReadTagFile,         1,      "[options..] Display Content from tagfile"},
        {"replay",      CmdHFiClassReader_Replay,       0,      "<mac>       Read an iClass tag via Reply Attack"},
        {"sim",         CmdHFiClassSim,                 0,      "[options..] Simulate iClass tag"},