]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhf.c
Do not treat gcc's "misleading-indentation" warning as error (fixes #187).
[proxmark3-svn] / client / cmdhf.c
index 03d89c0b9579773ab24450590699bcbd9f345634..e3671a4267fa1c7cb0a2710d48ddc960f7f0badf 100644 (file)
@@ -23,6 +23,7 @@
 #include "cmdhficlass.h"
 #include "cmdhfmf.h"
 #include "cmdhfmfu.h"
+#include "cmdhftopaz.h"
 #include "protocols.h"
 
 static int CmdHelp(const char *Cmd);
@@ -71,11 +72,57 @@ void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
        case MIFARE_CMD_DEC:                    snprintf(exp,size,"DEC(%d)",cmd[1]); break;
        case MIFARE_CMD_RESTORE:                snprintf(exp,size,"RESTORE(%d)",cmd[1]); break;
        case MIFARE_CMD_TRANSFER:               snprintf(exp,size,"TRANSFER(%d)",cmd[1]); break;
-       case MIFARE_AUTH_KEYA:                  snprintf(exp,size,"AUTH-A(%d)",cmd[1]); break;
+       case MIFARE_AUTH_KEYA:{
+               if ( cmdsize > 3)
+                       snprintf(exp,size,"AUTH-A(%d)",cmd[1]); 
+               else
+                       //      case MIFARE_ULEV1_VERSION :  both 0x60.
+                       snprintf(exp,size,"EV1 VERSION");
+               break;
+       }
        case MIFARE_AUTH_KEYB:                  snprintf(exp,size,"AUTH-B(%d)",cmd[1]); break;
        case MIFARE_MAGICWUPC1:                 snprintf(exp,size,"MAGIC WUPC1"); break;
        case MIFARE_MAGICWUPC2:                 snprintf(exp,size,"MAGIC WUPC2"); break;
        case MIFARE_MAGICWIPEC:                 snprintf(exp,size,"MAGIC WIPEC"); break;
+       case MIFARE_ULC_AUTH_1:         snprintf(exp,size,"AUTH "); break;
+       case MIFARE_ULC_AUTH_2:         snprintf(exp,size,"AUTH_ANSW"); break;
+       case MIFARE_ULEV1_AUTH:
+               if ( cmdsize == 7 )
+                       snprintf(exp,size,"PWD-AUTH KEY: 0x%02x%02x%02x%02x", cmd[1], cmd[2], cmd[3], cmd[4] );
+               else
+                       snprintf(exp,size,"PWD-AUTH");
+               break;
+       case MIFARE_ULEV1_FASTREAD:{
+               if ( cmdsize >=3 && cmd[2] <= 0xE6)
+                       snprintf(exp,size,"READ RANGE (%d-%d)",cmd[1],cmd[2]); 
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULC_WRITE:{
+               if ( cmd[1] < 0x21 )
+                       snprintf(exp,size,"WRITEBLOCK(%d)",cmd[1]); 
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_READ_CNT:{
+               if ( cmd[1] < 5 )
+                       snprintf(exp,size,"READ CNT(%d)",cmd[1]);
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_INCR_CNT:{
+               if ( cmd[1] < 5 )
+                       snprintf(exp,size,"INCR(%d)",cmd[1]);
+               else
+                       snprintf(exp,size,"?");
+               break;
+       }
+       case MIFARE_ULEV1_READSIG:              snprintf(exp,size,"READ_SIG"); break;
+       case MIFARE_ULEV1_CHECKTEAR:    snprintf(exp,size,"CHK_TEARING(%d)",cmd[1]); break;
+       case MIFARE_ULEV1_VCSL:         snprintf(exp,size,"VCSL"); break;
        default:                                                snprintf(exp,size,"?"); break;
        }
        return;
@@ -144,7 +191,6 @@ void annotateIso15693(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 
 void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 {
-
        switch(cmd[0]) {
                case TOPAZ_REQA                                         :snprintf(exp, size, "REQA");break;
                case TOPAZ_WUPA                                         :snprintf(exp, size, "WUPA");break;
@@ -153,6 +199,10 @@ void annotateTopaz(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
                case TOPAZ_READ                                         :snprintf(exp, size, "READ");break;
                case TOPAZ_WRITE_E                                      :snprintf(exp, size, "WRITE-E");break;
                case TOPAZ_WRITE_NE                                     :snprintf(exp, size, "WRITE-NE");break;
+               case TOPAZ_RSEG                                         :snprintf(exp, size, "RSEG");break;
+               case TOPAZ_READ8                                        :snprintf(exp, size, "READ8");break;
+               case TOPAZ_WRITE_E8                                     :snprintf(exp, size, "WRITE-E8");break;
+               case TOPAZ_WRITE_NE8                            :snprintf(exp, size, "WRITE-NE8");break;
                default:                            snprintf(exp,size,"?"); break;
        }
 }
@@ -189,7 +239,34 @@ void annotateIso14443b(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
 }
 
 /**
- * @brief iso14443B_CRC_Ok Checks CRC in command or response
+ * @brief iso14443A_CRC_check Checks CRC in command or response
+ * @param isResponse
+ * @param data
+ * @param len
+ * @return  0 : CRC-command, CRC not ok
+ *          1 : CRC-command, CRC ok
+ *          2 : Not crc-command
+ */
+
+uint8_t iso14443A_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
+{
+       uint8_t b1,b2;
+
+       if(len <= 2) return 2;
+
+       if(isResponse & (len < 6)) return 2;
+       
+       ComputeCrc14443(CRC_14443_A, data, len-2, &b1, &b2);
+       if (b1 != data[len-2] || b2 != data[len-1]) {
+               return 0;
+       } else {
+               return 1;
+       }
+}
+
+
+/**
+ * @brief iso14443B_CRC_check Checks CRC in command or response
  * @param isResponse
  * @param data
  * @param len
@@ -206,9 +283,10 @@ uint8_t iso14443B_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 
        ComputeCrc14443(CRC_14443_B, data, len-2, &b1, &b2);
        if(b1 != data[len-2] || b2 != data[len-1]) {
-         return 0;
+               return 0;
+       } else {
+               return 1;
        }
-       return 1;
 }
 
 /**
@@ -273,16 +351,64 @@ uint8_t iclass_CRC_check(bool isResponse, uint8_t* data, uint8_t len)
 }
 
 
-uint16_t merge_topaz_reader_frames(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *topaz_reader_command, uint16_t *data_len)
+bool is_last_record(uint16_t tracepos, uint8_t *trace, uint16_t traceLen)
 {
-       return tracepos;
+       return(tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) >= traceLen);
+}
+
+
+bool next_record_is_response(uint16_t tracepos, uint8_t *trace)
+{
+       uint16_t next_records_datalen = *((uint16_t *)(trace + tracepos + sizeof(uint32_t) + sizeof(uint16_t)));
+       
+       return(next_records_datalen & 0x8000);
 }
 
 
-uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles)
+bool merge_topaz_reader_frames(uint32_t timestamp, uint32_t *duration, uint16_t *tracepos, uint16_t traceLen, uint8_t *trace, uint8_t *frame, uint8_t *topaz_reader_command, uint16_t *data_len)
+{
+
+#define MAX_TOPAZ_READER_CMD_LEN       16
+
+       uint32_t last_timestamp = timestamp + *duration;
+
+       if ((*data_len != 1) || (frame[0] == TOPAZ_WUPA) || (frame[0] == TOPAZ_REQA)) return false;
+
+       memcpy(topaz_reader_command, frame, *data_len);
+
+       while (!is_last_record(*tracepos, trace, traceLen) && !next_record_is_response(*tracepos, trace)) {
+               uint32_t next_timestamp = *((uint32_t *)(trace + *tracepos));
+               *tracepos += sizeof(uint32_t);
+               uint16_t next_duration = *((uint16_t *)(trace + *tracepos));
+               *tracepos += sizeof(uint16_t);
+               uint16_t next_data_len = *((uint16_t *)(trace + *tracepos)) & 0x7FFF;
+               *tracepos += sizeof(uint16_t);
+               uint8_t *next_frame = (trace + *tracepos);
+               *tracepos += next_data_len;
+               if ((next_data_len == 1) && (*data_len + next_data_len <= MAX_TOPAZ_READER_CMD_LEN)) {
+                       memcpy(topaz_reader_command + *data_len, next_frame, next_data_len);
+                       *data_len += next_data_len;
+                       last_timestamp = next_timestamp + next_duration;
+               } else {
+                       // rewind and exit
+                       *tracepos = *tracepos - next_data_len - sizeof(uint16_t) - sizeof(uint16_t) - sizeof(uint32_t);
+                       break;
+               }
+               uint16_t next_parity_len = (next_data_len-1)/8 + 1;
+               *tracepos += next_parity_len;
+       }
+
+       *duration = last_timestamp - timestamp;
+       
+       return true;
+}
+
+
+uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, uint8_t protocol, bool showWaitCycles, bool markCRCBytes)
 {
        bool isResponse;
-       uint16_t duration, data_len, parity_len;
+       uint16_t data_len, parity_len;
+       uint32_t duration;
        uint8_t topaz_reader_command[9];
        uint32_t timestamp, first_timestamp, EndOfTransmissionTimestamp;
        char explanation[30] = {0};
@@ -315,31 +441,27 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
        tracepos += parity_len;
 
        if (protocol == TOPAZ && !isResponse) {
-               // topaz reader commands come in 1 or 9 separate frames with 8 Bits each.
+               // topaz reader commands come in 1 or 9 separate frames with 7 or 8 Bits each.
                // merge them:
-               tracepos = merge_topaz_reader_frames(tracepos, traceLen, trace, topaz_reader_command, &data_len);
+               if (merge_topaz_reader_frames(timestamp, &duration, &tracepos, traceLen, trace, frame, topaz_reader_command, &data_len)) {
+                       frame = topaz_reader_command;
+               }
        }
        
        //Check the CRC status
        uint8_t crcStatus = 2;
 
        if (data_len > 2) {
-               uint8_t b1, b2;
                switch (protocol) {
                        case ICLASS:
                                crcStatus = iclass_CRC_check(isResponse, frame, data_len);
                                break;
                        case ISO_14443B:
-                       case TOPAZ:                     
-                               crcStatus = iso14443B_CRC_check(isResponse, topaz_reader_command, data_len); 
+                       case TOPAZ:
+                               crcStatus = iso14443B_CRC_check(isResponse, frame, data_len); 
                                break;
                        case ISO_14443A:
-                               ComputeCrc14443(CRC_14443_A, frame, data_len-2, &b1, &b2);
-                               if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
-                                       if(!(isResponse & (data_len < 6))) {
-                                               crcStatus = 0;
-                                       }
-                               }
+                               crcStatus = iso14443A_CRC_check(isResponse, frame, data_len);
                                break;
                        default: 
                                break;
@@ -362,21 +484,24 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
                        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
                }
                uint8_t parityBits = parityBytes[j>>3];
-               if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+               if (protocol != ISO_14443B && (isResponse || protocol == ISO_14443A) && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
                        snprintf(line[j/16]+(( j % 16) * 4),110, "%02x! ", frame[j]);
-
                } else {
-                       snprintf(line[j/16]+(( j % 16) * 4),110, "%02x  ", frame[j]);
+                       snprintf(line[j/16]+(( j % 16) * 4), 110, " %02x ", frame[j]);
                }
 
        }
-       if(crcStatus == 1)
-       {//CRC-command
-               char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4)-1;
-               (*pos1) = '[';
-               char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4)-2;
-               (*pos2) = ']';
+
+       if (markCRCBytes) {
+               if(crcStatus == 0 || crcStatus == 1)
+               {//CRC-command
+                       char *pos1 = line[(data_len-2)/16]+(((data_len-2) % 16) * 4);
+                       (*pos1) = '[';
+                       char *pos2 = line[(data_len)/16]+(((data_len) % 16) * 4);
+                       sprintf(pos2, "%c", ']');
+               }
        }
+
        if(data_len == 0)
        {
                if(data_len == 0){
@@ -403,7 +528,7 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
        int num_lines = MIN((data_len - 1)/16 + 1, 16);
        for (int j = 0; j < num_lines ; j++) {
                if (j == 0) {
-                       PrintAndLog(" %9d | %9d | %s | %-64s| %s| %s",
+                       PrintAndLog(" %10d | %10d | %s |%-64s | %s| %s",
                                (timestamp - first_timestamp),
                                (EndOfTransmissionTimestamp - first_timestamp),
                                (isResponse ? "Tag" : "Rdr"),
@@ -411,26 +536,22 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
                                (j == num_lines-1) ? crc : "    ",
                                (j == num_lines-1) ? explanation : "");
                } else {
-                       PrintAndLog("           |           |     | %-64s| %s| %s",
+                       PrintAndLog("            |            |     |%-64s | %s| %s",
                                line[j],
                                (j == num_lines-1) ? crc : "    ",
                                (j == num_lines-1) ? explanation : "");
                }
        }
 
-       if (tracepos + sizeof(uint32_t) + sizeof(uint16_t) + sizeof(uint16_t) > traceLen) return traceLen;
+       if (is_last_record(tracepos, trace, traceLen)) return traceLen;
        
-       bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
-
-       if (showWaitCycles && !isResponse && next_isResponse) {
+       if (showWaitCycles && !isResponse && next_record_is_response(tracepos, trace)) {
                uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
-               if (next_timestamp != 0x44444444) {
-                       PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
-                               (EndOfTransmissionTimestamp - first_timestamp),
-                               (next_timestamp - first_timestamp),
-                               "   ",
-                               (next_timestamp - EndOfTransmissionTimestamp));
-               }
+               PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
+                       (EndOfTransmissionTimestamp - first_timestamp),
+                       (next_timestamp - first_timestamp),
+                       "   ",
+                       (next_timestamp - EndOfTransmissionTimestamp));
        }
 
        return tracepos;
@@ -440,22 +561,26 @@ uint16_t printTraceLine(uint16_t tracepos, uint16_t traceLen, uint8_t *trace, ui
 int CmdHFList(const char *Cmd)
 {
        bool showWaitCycles = false;
+       bool markCRCBytes = false;
        char type[40] = {0};
        int tlen = param_getstr(Cmd,0,type);
-       char param = param_getchar(Cmd, 1);
+       char param1 = param_getchar(Cmd, 1);
+       char param2 = param_getchar(Cmd, 2);
        bool errors = false;
        uint8_t protocol = 0;
        //Validate params
-       if(tlen == 0)
-       {
+
+       if(tlen == 0) {
                errors = true;
        }
-       if(param == 'h' || (param !=0 && param != 'f'))
-       {
+
+       if(param1 == 'h'
+                       || (param1 != 0 && param1 != 'f' && param1 != 'c')
+                       || (param2 != 0 && param2 != 'f' && param2 != 'c')) {
                errors = true;
        }
-       if(!errors)
-       {
+
+       if(!errors) {
                if(strcmp(type, "iclass") == 0) {
                        protocol = ICLASS;
                } else if(strcmp(type, "14a") == 0) {
@@ -473,8 +598,9 @@ int CmdHFList(const char *Cmd)
 
        if (errors) {
                PrintAndLog("List protocol data in trace buffer.");
-               PrintAndLog("Usage:  hf list <protocol> [f]");
+               PrintAndLog("Usage:  hf list <protocol> [f][c]");
                PrintAndLog("    f      - show frame delay times as well");
+               PrintAndLog("    c      - mark CRC bytes");
                PrintAndLog("Supported <protocol> values:");
                PrintAndLog("    raw    - just show raw data without annotations");
                PrintAndLog("    14a    - interpret data as iso14443a communications");
@@ -488,10 +614,13 @@ int CmdHFList(const char *Cmd)
        }
 
 
-       if (param == 'f') {
+       if (param1 == 'f' || param2 == 'f') {
                showWaitCycles = true;
        }
 
+       if (param1 == 'c' || param2 == 'c') {
+               markCRCBytes = true;
+       }
 
        uint8_t *trace;
        uint16_t tracepos = 0;
@@ -520,33 +649,70 @@ int CmdHFList(const char *Cmd)
        PrintAndLog("iso14443a - All times are in carrier periods (1/13.56Mhz)");
        PrintAndLog("iClass    - Timings are not as accurate");
        PrintAndLog("");
-       PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
-       PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------|-----|--------------------|");
+       PrintAndLog("      Start |        End | Src | Data (! denotes parity error)                                   | CRC | Annotation         |");
+       PrintAndLog("------------|------------|-----|-----------------------------------------------------------------|-----|--------------------|");
 
        while(tracepos < traceLen)
        {
-               tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles);
+               tracepos = printTraceLine(tracepos, traceLen, trace, protocol, showWaitCycles, markCRCBytes);
        }
 
        free(trace);
        return 0;
 }
 
+int CmdHFSearch(const char *Cmd){
+       int ans = 0;
+       PrintAndLog("");
+       ans = CmdHF14AReader("s");
+       if (ans > 0) {
+               PrintAndLog("\nValid ISO14443A Tag Found - Quiting Search\n");
+               return ans;
+       }
+       ans = HFiClassReader("", false, false);
+       if (ans) {
+               PrintAndLog("\nValid iClass Tag (or PicoPass Tag) Found - Quiting Search\n");
+               return ans;
+       }
+       ans = HF14BInfo(false);
+       if (ans) {
+               PrintAndLog("\nValid ISO14443B Tag Found - Quiting Search\n");
+               return ans;
+       }
+       ans = HF15Reader("", false);
+       if (ans) {
+               PrintAndLog("\nValid ISO15693 Tag Found - Quiting Search\n");
+               return ans;
+       }
+       PrintAndLog("\nno known/supported 13.56 MHz tags found\n");
+       return 0;
+}
+
+int CmdHFSnoop(const char *Cmd)
+{
+       char * pEnd;
+       UsbCommand c = {CMD_HF_SNIFFER, {strtol(Cmd, &pEnd,0),strtol(pEnd, &pEnd,0),0}};
+       SendCommand(&c);
+       return 0;
+}
 
 static command_t CommandTable[] = 
 {
-  {"help",        CmdHelp,          1, "This help"},
-  {"14a",         CmdHF14A,         1, "{ ISO14443A RFIDs... }"},
-  {"14b",         CmdHF14B,         1, "{ ISO14443B RFIDs... }"},
-  {"15",          CmdHF15,          1, "{ ISO15693 RFIDs... }"},
-  {"epa",         CmdHFEPA,         1, "{ German Identification Card... }"},
-  {"legic",       CmdHFLegic,       0, "{ LEGIC RFIDs... }"},
-  {"iclass",      CmdHFiClass,      1, "{ ICLASS RFIDs... }"},
-  {"mf",               CmdHFMF,                1, "{ MIFARE RFIDs... }"},
-  {"mfu",                      CmdHFMFUltra,           1, "{ MIFARE Ultralight RFIDs... }"},
-  {"tune",        CmdHFTune,        0, "Continuously measure HF antenna tuning"},
-  {"list",       CmdHFList,         1, "List protocol data in trace buffer"},
-       {NULL, NULL, 0, NULL}
+       {"help",        CmdHelp,                1, "This help"},
+       {"14a",         CmdHF14A,               1, "{ ISO14443A RFIDs... }"},
+       {"14b",         CmdHF14B,               1, "{ ISO14443B RFIDs... }"},
+       {"15",          CmdHF15,                1, "{ ISO15693 RFIDs... }"},
+       {"epa",         CmdHFEPA,               1, "{ German Identification Card... }"},
+       {"legic",       CmdHFLegic,             0, "{ LEGIC RFIDs... }"},
+       {"iclass",      CmdHFiClass,    1, "{ ICLASS RFIDs... }"},
+       {"mf",          CmdHFMF,                1, "{ MIFARE RFIDs... }"},
+       {"mfu",         CmdHFMFUltra,   1, "{ MIFARE Ultralight RFIDs... }"},
+       {"topaz",       CmdHFTopaz,             1, "{ TOPAZ (NFC Type 1) RFIDs... }"},
+       {"tune",        CmdHFTune,              0, "Continuously measure HF antenna tuning"},
+       {"list",        CmdHFList,              1, "List protocol data in trace buffer"},
+       {"search",      CmdHFSearch,    1, "Search for known HF tags [preliminary]"},
+       {"snoop",   CmdHFSnoop,     0, "<samples to skip (10000)> <triggers to skip (1)> Generic HF Snoop"},
+       {NULL,          NULL,                   0, NULL}
 };
 
 int CmdHF(const char *Cmd)
Impressum, Datenschutz