fix 'hf iclass reader'

[proxmark3-svn] / client / cmdhf15.c

diff --git a/client/cmdhf15.c b/client/cmdhf15.c
index c2a1335468ef817a542935a5c2bef3e64a566009..6bcad20124ac54f452d392e2435173c467a99afd 100644 (file)
--- a/client/cmdhf15.c
+++ b/client/cmdhf15.c
@@ -464,7 +464,7 @@ int CmdHF15CmdRaw (const char *cmd) {
        char *hexout;
 
        
-       if (strlen(cmd)<3) {
+       if (strlen(cmd)<2) {
                PrintAndLog("Usage: hf 15 cmd raw  [-r] [-2] [-c] <0A 0B 0C ... hex>");
                PrintAndLog("       -r    do not read response");
                PrintAndLog("       -2    use slower '1 out of 256' mode");
@@ -526,22 +526,31 @@ int CmdHF15CmdRaw (const char *cmd) {
        SendCommand(&c);
        
        if (reply) {
-               if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
+               if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
                        recv = resp.d.asBytes;
-                       PrintAndLog("received %i octets",resp.arg[0]);
-                       hexout = (char *)malloc(resp.arg[0] * 3 + 1);
-                       if (hexout != NULL) {
-                               for (int i = 0; i < resp.arg[0]; i++) { // data in hex
-                                       sprintf(&hexout[i * 3], "%02X ", recv[i]);
+                       int recv_len = resp.arg[0];
+                       if (recv_len == 0) {
+                               PrintAndLog("received SOF only. Maybe Picopass/iCLASS?");
+                       } else if (recv_len > 0) {
+                               PrintAndLog("received %i octets", recv_len);
+                               hexout = (char *)malloc(resp.arg[0] * 3 + 1);
+                               if (hexout != NULL) {
+                                       for (int i = 0; i < resp.arg[0]; i++) { // data in hex
+                                               sprintf(&hexout[i * 3], "%02X ", recv[i]);
+                                       }
+                                       PrintAndLog("%s", hexout);
+                                       free(hexout);
                                }
-                               PrintAndLog("%s", hexout);
-                               free(hexout);
+                       } else if (recv_len == -1) {
+                               PrintAndLog("card didn't respond");
+                       } else if (recv_len == -2) {
+                               PrintAndLog("receive buffer overflow");
                        }
                } else {
                        PrintAndLog("timeout while waiting for reply.");
                }
-               
-       } // if reply
+       }
+
        return 0;
 }