]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf14a.c
FIX: Coverity scan fixes, hard to keep track of stringlengths while reading and...
[proxmark3-svn] / client / cmdhf14a.c
index 8a6e6afdd03009be5e6bf26416d51a56470a66e2..33a4234c5fad3599b71657fed3aee9a813bba863 100644 (file)
@@ -25,8 +25,7 @@
 #include "mifare.h"
 #include "cmdhfmfu.h"
 #include "nonce2key/nonce2key.h"
-
-#define llx PRIx64
+#include "cmdhf.h"
 
 static int CmdHelp(const char *Cmd);
 static void waitCmd(uint8_t iLen);
@@ -127,17 +126,60 @@ char* getTagInfo(uint8_t uid) {
        return manufactureMapping[len-1].desc; 
 }
 
+
+int usage_hf_14a_sim(void) {
+       PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID\n");
+       PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
+       PrintAndLog("  Options : ");
+       PrintAndLog("    h     : this help");
+       PrintAndLog("    t     : 1 = MIFARE Classic");
+       PrintAndLog("            2 = MIFARE Ultralight");
+       PrintAndLog("            3 = MIFARE Desfire");
+       PrintAndLog("            4 = ISO/IEC 14443-4");
+       PrintAndLog("            5 = MIFARE Tnp3xxx");
+       PrintAndLog("            6 = MIFARE Mini");
+       PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
+       PrintAndLog("    u     : 4 or 7 byte UID");
+       PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
+       PrintAndLog("\n   sample : hf 14a sim t 1 u 1122344");
+       PrintAndLog("          : hf 14a sim t 1 u 1122344 x\n");
+       return 0;
+}
+int usage_hf_14a_sniff(void){
+       PrintAndLog("It get data from the field and saves it into command buffer.");
+       PrintAndLog("Buffer accessible from command 'hf list 14a'");
+       PrintAndLog("Usage:  hf 14a sniff [c][r]");
+       PrintAndLog("c - triggered by first data from card");
+       PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
+       PrintAndLog("sample: hf 14a sniff c r");
+       return 0;
+}
+int usage_hf_14a_raw(void){
+       PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
+       PrintAndLog("       -h    this help");
+       PrintAndLog("       -r    do not read response");
+       PrintAndLog("       -c    calculate and append CRC");
+       PrintAndLog("       -p    leave the signal field ON after receive");
+       PrintAndLog("       -a    active signal field ON without select");
+       PrintAndLog("       -s    active signal field ON with select");
+       PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
+       PrintAndLog("       -t    timeout in ms");
+       PrintAndLog("       -T    use Topaz protocol to send command");
+       return 0;
+}
+
 int CmdHF14AList(const char *Cmd)
 {
-       PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+       //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
+       CmdHFList("14a");
        return 0;
 }
 
 int CmdHF14AReader(const char *Cmd)
 {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
-
        UsbCommand resp;
        WaitForResponse(CMD_ACK,&resp);
        
@@ -185,6 +227,7 @@ int CmdHF14AReader(const char *Cmd)
                        c.arg[1] = 0;
                        c.arg[2] = 0;
 
+                       clearCommandBuffer();
                        SendCommand(&c);
 
                        UsbCommand resp;
@@ -248,6 +291,7 @@ int CmdHF14AReader(const char *Cmd)
                c.arg[1] = 2;
                c.arg[2] = 0;
                memcpy(c.d.asBytes, rats, 2);
+               clearCommandBuffer();
                SendCommand(&c);
                WaitForResponse(CMD_ACK,&resp);
                
@@ -345,16 +389,16 @@ int CmdHF14AReader(const char *Cmd)
                                                PrintAndLog("                     x0 -> <1 kByte");
                                                break;
                                        case 0x01:
-                                               PrintAndLog("                     x0 -> 1 kByte");
+                                               PrintAndLog("                     x1 -> 1 kByte");
                                                break;
                                        case 0x02:
-                                               PrintAndLog("                     x0 -> 2 kByte");
+                                               PrintAndLog("                     x2 -> 2 kByte");
                                                break;
                                        case 0x03:
-                                               PrintAndLog("                     x0 -> 4 kByte");
+                                               PrintAndLog("                     x3 -> 4 kByte");
                                                break;
                                        case 0x04:
-                                               PrintAndLog("                     x0 -> 8 kByte");
+                                               PrintAndLog("                     x4 -> 8 kByte");
                                                break;
                                }
                                switch (card.ats[pos + 3] & 0xf0) {
@@ -395,14 +439,17 @@ int CmdHF14AReader(const char *Cmd)
 
        
        // try to see if card responses to "chinese magic backdoor" commands.
+       uint8_t isOK = 0;
+       clearCommandBuffer();
        c.cmd = CMD_MIFARE_CIDENT;
        c.arg[0] = 0;
        c.arg[1] = 0;
        c.arg[2] = 0;   
        SendCommand(&c);
-       WaitForResponse(CMD_ACK,&resp);
-       uint8_t isOK  = resp.arg[0] & 0xff;
-       PrintAndLog("Answers to chinese magic backdoor commands: %s", (isOK ? "YES" : "NO") );
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
+               isOK  = resp.arg[0] & 0xff;
+
+       PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
        
        // disconnect
        c.cmd = CMD_READER_ISO_14443a;
@@ -451,27 +498,6 @@ int CmdHF14ACUIDs(const char *Cmd)
        return 1;
 }
 
-
-static int usage_hf_14a_sim(void)
-{
-       PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4 or 7 byte UID\n");
-       PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
-       PrintAndLog("  Options : ");
-       PrintAndLog("    h     : this help");
-       PrintAndLog("    t     : 1 = MIFARE Classic");
-       PrintAndLog("            2 = MIFARE Ultralight");
-       PrintAndLog("            3 = MIFARE Desfire");
-       PrintAndLog("            4 = ISO/IEC 14443-4");
-       PrintAndLog("            5 = MIFARE Tnp3xxx");
-       PrintAndLog("            6 = MIFARE Mini");
-       PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
-       PrintAndLog("    u     : 4 or 7 byte UID");
-       PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
-       PrintAndLog("\n   sample : hf 14a sim t 1 u 1122344");
-       PrintAndLog("          : hf 14a sim t 1 u 1122344 x\n");
-       return 0;
-}
-
 // ## simulate iso14443a tag
 // ## greg - added ability to specify tag UID
 int CmdHF14ASim(const char *Cmd)
@@ -481,9 +507,7 @@ int CmdHF14ASim(const char *Cmd)
        uint8_t tagtype = 1;
        uint64_t uid = 0;
        uint8_t cmdp = 0;
-       
-       clearCommandBuffer();
-       
+
        while(param_getchar(Cmd, cmdp) != 0x00)
        {
                switch(param_getchar(Cmd, cmdp))
@@ -536,6 +560,7 @@ int CmdHF14ASim(const char *Cmd)
        UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
        
        num_to_bytes(uid, 7, c.d.asBytes);
+       clearCommandBuffer();
        SendCommand(&c);        
 
        uint8_t data[40];
@@ -549,7 +574,7 @@ int CmdHF14ASim(const char *Cmd)
                                int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
                                memcpy(data, resp.d.asBytes, len);
                                tryMfk32(uid, data, key);
-                               tryMfk32_moebius(uid, data, key);
+                               //tryMfk32_moebius(uid, data, key);
                                //tryMfk64(uid, data, key);
                                PrintAndLog("--");
                        }
@@ -562,15 +587,7 @@ int CmdHF14ASniff(const char *Cmd) {
        int param = 0;
        
        uint8_t ctmp = param_getchar(Cmd, 0) ;
-       if (ctmp == 'h' || ctmp == 'H') {
-               PrintAndLog("It get data from the field and saves it into command buffer.");
-               PrintAndLog("Buffer accessible from command 'hf list 14a'");
-               PrintAndLog("Usage:  hf 14a sniff [c][r]");
-               PrintAndLog("c - triggered by first data from card");
-               PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
-               PrintAndLog("sample: hf 14a sniff c r");
-               return 0;
-       }       
+       if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
        
        for (int i = 0; i < 2; i++) {
                ctmp = param_getchar(Cmd, i);
@@ -579,11 +596,11 @@ int CmdHF14ASniff(const char *Cmd) {
        }
 
   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
+  clearCommandBuffer();
   SendCommand(&c);
   return 0;
 }
 
-
 int CmdHF14ACmdRaw(const char *cmd) {
     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
     bool reply=1;
@@ -601,19 +618,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
        uint16_t datalen=0;
        uint32_t temp;
 
-    if (strlen(cmd)<2) {
-        PrintAndLog("Usage: hf 14a raw [-r] [-c] [-p] [-a] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
-        PrintAndLog("       -r    do not read response");
-        PrintAndLog("       -c    calculate and append CRC");
-        PrintAndLog("       -p    leave the signal field ON after receive");
-        PrintAndLog("       -a    active signal field ON without select");
-        PrintAndLog("       -s    active signal field ON with select");
-        PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
-               PrintAndLog("       -t    timeout in ms");
-               PrintAndLog("       -T    use Topaz protocol to send command");
-        return 0;
-    }
-
+    if (strlen(cmd)<2) return usage_hf_14a_raw();
 
     // strip
     while (*cmd==' ' || *cmd=='\t') cmd++;
@@ -622,6 +627,9 @@ int CmdHF14ACmdRaw(const char *cmd) {
         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
         if (cmd[i]=='-') {
             switch (cmd[i+1]) {
+                               case 'H':
+                               case 'h':
+                                       return usage_hf_14a_raw();
                 case 'r': 
                     reply = FALSE;
                     break;
@@ -656,8 +664,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
                                        topazmode = TRUE;
                                        break;
                 default:
-                    PrintAndLog("Invalid option");
-                    return 0;
+                    return usage_hf_14a_raw();
             }
             i+=2;
             continue;
@@ -722,9 +729,11 @@ int CmdHF14ACmdRaw(const char *cmd) {
 
        if(topazmode)
                c.arg[0] |= ISO14A_TOPAZMODE;
-               
+                       
        // Max buffer is USB_CMD_DATA_SIZE
-    c.arg[1] = (datalen & 0xFFFF) | (numbits << 16);
+       datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
+               
+    c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
     memcpy(c.d.asBytes,data,datalen);
 
        clearCommandBuffer();
@@ -739,9 +748,7 @@ int CmdHF14ACmdRaw(const char *cmd) {
     return 0;
 }
 
-
-static void waitCmd(uint8_t iSelect)
-{
+static void waitCmd(uint8_t iSelect) {
     uint8_t *recv;
     UsbCommand resp;
     char *hexout;
@@ -781,7 +788,8 @@ static command_t CommandTable[] =
 
 int CmdHF14A(const char *Cmd) {
        // flush
-       WaitForResponseTimeout(CMD_ACK,NULL,100);
+       clearCommandBuffer();
+       //WaitForResponseTimeout(CMD_ACK,NULL,100);
 
        // parse
        CmdsParse(CommandTable, Cmd);
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