]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/emv/cmdemv.c
Add: Emv first part of commands
[proxmark3-svn] / client / emv / cmdemv.c
diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c
new file mode 100644 (file)
index 0000000..3c3c1f1
--- /dev/null
@@ -0,0 +1,552 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2017 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// EMV commands
+//-----------------------------------------------------------------------------
+
+#include "cmdemv.h"
+
+int UsageCmdHFEMVSelect(void) {
+       PrintAndLog("HELP :  Executes select applet command:\n");
+       PrintAndLog("Usage:  hf emv select [-s][-k][-a][-t] <HEX applet AID>\n");
+       PrintAndLog("  Options:");
+       PrintAndLog("  -s       : select card");
+       PrintAndLog("  -k       : keep field for next command");
+       PrintAndLog("  -a       : show APDU reqests and responses\n");
+       PrintAndLog("  -t       : TLV decode results\n");
+       PrintAndLog("Samples:");
+       PrintAndLog(" hf emv select -s a00000000101 -> select card, select applet");
+       PrintAndLog(" hf emv select -s -t a00000000101 -> select card, select applet, show result in TLV");
+       return 0;
+}
+
+int CmdHFEMVSelect(const char *cmd) {
+       uint8_t data[APDU_AID_LEN] = {0};
+       int datalen = 0;
+       bool activateField = false;
+       bool leaveSignalON = false;
+       bool decodeTLV = false;
+
+       if (strlen(cmd) < 1) {
+               UsageCmdHFEMVSelect();
+               return 0;
+       }
+       
+       SetAPDULogging(false);
+       
+       int cmdp = 0;
+       while(param_getchar(cmd, cmdp) != 0x00) {
+               char c = param_getchar(cmd, cmdp);
+               if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+                       switch (param_getchar_indx(cmd, 1, cmdp)) {
+                               case 'h':
+                               case 'H':
+                                       UsageCmdHFEMVSelect();
+                                       return 0;
+                               case 's':
+                               case 'S':
+                                       activateField = true;
+                                       break;
+                               case 'k':
+                               case 'K':
+                                       leaveSignalON = true;
+                                       break;
+                               case 'a':
+                               case 'A':
+                                       SetAPDULogging(true);
+                                       break;
+                               case 't':
+                               case 'T':
+                                       decodeTLV = true;
+                                       break;
+                               default:
+                                       PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+                                       return 1;
+               }
+
+               if (isxdigit(c)) {
+                       switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) {
+                       case 1:
+                               PrintAndLog("Invalid HEX value.");
+                               return 1;
+                       case 2:
+                               PrintAndLog("AID too large.");
+                               return 1;
+                       case 3:
+                               PrintAndLog("Hex must have even number of digits.");
+                               return 1;
+                       }
+                       
+                       // we get all the hex to end of line with spaces
+                       break;
+               }
+
+
+               cmdp++;
+       }
+       
+       // exec
+       uint8_t buf[APDU_RES_LEN] = {0};
+       size_t len = 0;
+       uint16_t sw = 0;
+       int res = EMVSelect(activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
+
+       if (sw)
+               PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); 
+       
+       if (res)
+               return res;
+       
+       if (decodeTLV)
+               TLVPrintFromBuffer(buf, len);
+
+       return 0;
+}
+
+int UsageCmdHFEMVSearch(void) {
+       PrintAndLog("HELP :  Tries to select all applets from applet list:\n");
+       PrintAndLog("Usage:  hf emv search [-s][-k][-a][-t]\n");
+       PrintAndLog("  Options:");
+       PrintAndLog("  -s       : select card");
+       PrintAndLog("  -k       : keep field for next command");
+       PrintAndLog("  -a       : show APDU reqests and responses\n");
+       PrintAndLog("  -t       : TLV decode results of selected applets\n");
+       PrintAndLog("Samples:");
+       PrintAndLog(" hf emv search -s -> select card and search");
+       PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV");
+       return 0;
+}
+
+int CmdHFEMVSearch(const char *cmd) {
+
+       bool activateField = false;
+       bool leaveSignalON = false;
+       bool decodeTLV = false;
+
+       if (strlen(cmd) < 1) {
+               UsageCmdHFEMVSearch();
+               return 0;
+       }
+       
+       SetAPDULogging(false);
+       
+       int cmdp = 0;
+       while(param_getchar(cmd, cmdp) != 0x00) {
+               char c = param_getchar(cmd, cmdp);
+               if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+                       switch (param_getchar_indx(cmd, 1, cmdp)) {
+                               case 'h':
+                               case 'H':
+                                       UsageCmdHFEMVSearch();
+                                       return 0;
+                               case 's':
+                               case 'S':
+                                       activateField = true;
+                                       break;
+                               case 'k':
+                               case 'K':
+                                       leaveSignalON = true;
+                                       break;
+                               case 'a':
+                               case 'A':
+                                       SetAPDULogging(true);
+                                       break;
+                               case 't':
+                               case 'T':
+                                       decodeTLV = true;
+                                       break;
+                               default:
+                                       PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+                                       return 1;
+               }
+               cmdp++;
+       }
+
+       struct tlvdb *t = NULL;
+       const char *al = "Applets list";
+       t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+       if (EMVSearch(activateField, leaveSignalON, decodeTLV, t)) {
+               tlvdb_free(t);
+               return 2;
+       }
+       
+       PrintAndLog("Search completed.");
+
+       // print list here
+       if (!decodeTLV) {  
+               TLVPrintAIDlistFromSelectTLV(t);
+       }
+       
+       tlvdb_free(t);
+       
+       return 0;
+}
+
+int UsageCmdHFEMVPPSE(void) {
+       PrintAndLog("HELP :  Executes PSE/PPSE select command. It returns list of applet on the card:\n");
+       PrintAndLog("Usage:  hf emv pse [-s][-k][-1][-2][-a][-t]\n");
+       PrintAndLog("  Options:");
+       PrintAndLog("  -s       : select card");
+       PrintAndLog("  -k       : keep field for next command");
+       PrintAndLog("  -1       : ppse (1PAY.SYS.DDF01)");
+       PrintAndLog("  -2       : pse (2PAY.SYS.DDF01)");
+       PrintAndLog("  -a       : show APDU reqests and responses\n");
+       PrintAndLog("  -t       : TLV decode results\n");
+       PrintAndLog("Samples:");
+       PrintAndLog(" hf emv pse -s -1 -> select, get pse");
+       PrintAndLog(" hf emv pse -s -k -2 -> select, get ppse, keep field");
+       PrintAndLog(" hf emv pse -s -t -2 -> select, get ppse, show result in TLV");
+       return 0;
+}
+
+int CmdHFEMVPPSE(const char *cmd) {
+       
+       uint8_t PSENum = 2;
+       bool activateField = false;
+       bool leaveSignalON = false;
+       bool decodeTLV = false;
+
+       if (strlen(cmd) < 1) {
+               UsageCmdHFEMVPPSE();
+               return 0;
+       }
+
+       SetAPDULogging(false);
+       
+       int cmdp = 0;
+       while(param_getchar(cmd, cmdp) != 0x00) {
+               char c = param_getchar(cmd, cmdp);
+               if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+                       switch (param_getchar_indx(cmd, 1, cmdp)) {
+                               case 'h':
+                               case 'H':
+                                       UsageCmdHFEMVPPSE();
+                                       return 0;
+                               case 's':
+                               case 'S':
+                                       activateField = true;
+                                       break;
+                               case 'k':
+                               case 'K':
+                                       leaveSignalON = true;
+                                       break;
+                               case 'a':
+                               case 'A':
+                                       SetAPDULogging(true);
+                                       break;
+                               case 't':
+                               case 'T':
+                                       decodeTLV = true;
+                                       break;
+                               case '1':
+                                       PSENum = 1;
+                                       break;
+                               case '2':
+                                       PSENum = 2;
+                                       break;
+                               default:
+                                       PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+                                       return 1;
+               }
+               cmdp++;
+       }
+       
+       // exec
+       uint8_t buf[APDU_RES_LEN] = {0};
+       size_t len = 0;
+       uint16_t sw = 0;
+       int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
+       
+       if (sw)
+               PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); 
+
+       if (res)
+               return res;
+       
+       
+       if (decodeTLV)
+               TLVPrintFromBuffer(buf, len);
+
+       return 0;
+}
+
+int UsageCmdHFEMVExec(void) {
+       PrintAndLog("HELP :  Executes EMV contactless transaction:\n");
+       PrintAndLog("Usage:  hf emv exec [-s][-a][-t]\n");
+       PrintAndLog("  Options:");
+       PrintAndLog("  -s       : select card");
+       PrintAndLog("  -a       : show APDU reqests and responses\n");
+       PrintAndLog("  -t       : TLV decode results\n");
+       PrintAndLog("  -f       : force search AID. Search AID instead of execute PPSE.\n");
+       PrintAndLog("Samples:");
+       PrintAndLog(" hf emv pse -s -> select card");
+       PrintAndLog(" hf emv pse -s -t -a -> select card, show responses in TLV, show APDU");
+       return 0;
+}
+
+#define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) )
+
+int CmdHFEMVExec(const char *cmd) {
+       bool activateField = false;
+       bool showAPDU = false;
+       bool decodeTLV = false;
+       bool forceSearch = false;
+
+       uint8_t buf[APDU_RES_LEN] = {0};
+       size_t len = 0;
+       uint16_t sw = 0;
+       uint8_t AID[APDU_AID_LEN] = {0};
+       size_t AIDlen = 0;
+       
+       int res;
+       
+       if (strlen(cmd) < 1) {
+               UsageCmdHFEMVExec();
+               return 0;
+       }
+       
+       int cmdp = 0;
+       while(param_getchar(cmd, cmdp) != 0x00) {
+               char c = param_getchar(cmd, cmdp);
+               if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
+                       switch (param_getchar_indx(cmd, 1, cmdp)) {
+                               case 'h':
+                               case 'H':
+                                       UsageCmdHFEMVPPSE();
+                                       return 0;
+                               case 's':
+                               case 'S':
+                                       activateField = true;
+                                       break;
+                               case 'a':
+                               case 'A':
+                                       showAPDU = true;
+                                       break;
+                               case 't':
+                               case 'T':
+                                       decodeTLV = true;
+                                       break;
+                               case 'f':
+                               case 'F':
+                                       forceSearch = true;
+                                       break;
+                               default:
+                                       PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
+                                       return 1;
+               }
+               cmdp++;
+       }
+
+       
+       // init applets list tree
+       struct tlvdb *tlvSelect = NULL;
+       const char *al = "Applets list";
+       tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+       // Application Selection
+       // https://www.openscdp.org/scripts/tutorial/emv/applicationselection.html
+       if (!forceSearch) {
+               // PPSE
+               PrintAndLog("\n* PPSE.");
+               SetAPDULogging(showAPDU);
+               res = EMVSearchPSE(activateField, true, decodeTLV, tlvSelect);
+
+               // check PPSE and select application id
+               if (!res) {     
+                       TLVPrintAIDlistFromSelectTLV(tlvSelect);
+                       EMVSelectApplication(tlvSelect, AID, &AIDlen);
+               }
+       }
+       
+       // Search
+       if (!AIDlen) {
+               PrintAndLog("\n* Search AID in list.");
+               SetAPDULogging(false);
+               if (EMVSearch(activateField, true, decodeTLV, tlvSelect)) {
+                       tlvdb_free(tlvSelect);
+                       return 2;
+               }
+
+               // check search and select application id
+               TLVPrintAIDlistFromSelectTLV(tlvSelect);
+               EMVSelectApplication(tlvSelect, AID, &AIDlen);
+       }
+       
+       // Init TLV tree
+       struct tlvdb *tlvRoot = NULL;
+       const char *alr = "Root terminal TLV tree";
+       tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+       
+       // check if we found EMV application on card
+       if (!AIDlen) {
+               PrintAndLog("Can't select AID. EMV AID not found");
+               return 2;
+       }
+       
+       // Select
+       PrintAndLog("\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen));
+       SetAPDULogging(showAPDU);
+       res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
+       
+       if (res) {      
+               PrintAndLog("Can't select AID (%d). Exit...", res);
+               return 3;
+       }
+       
+       if (decodeTLV)
+               TLVPrintFromBuffer(buf, len);
+       PrintAndLog("* Selected.");
+       
+PrintAndLog("-----BREAK.");
+return 0;
+       PrintAndLog("\n* Init transaction parameters.");
+
+    //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
+       TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // E6
+    //9F02:(Amount, Authorised (Numeric)) len:6
+       TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00");
+    //9F1A:(Terminal Country Code) len:2
+       TLV_ADD(0x9F1A, "ru");
+    //5F2A:(Transaction Currency Code) len:2
+    // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999
+       TLV_ADD(0x5F2A, "\x09\x80");
+    //9A:(Transaction Date) len:3
+       TLV_ADD(0x9A,   "\x00\x00\x00");
+    //9C:(Transaction Type) len:1   |  00 => Goods and service #01 => Cash
+       TLV_ADD(0x9C,   "\x00");
+       // 9F37 Unpredictable Number len:4
+       TLV_ADD(0x9F37, "\x01\x02\x03\x04");
+
+       TLVPrintFromTLV(tlvRoot);
+       
+       PrintAndLog("\n* Calc PDOL.");
+       struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+       if (!pdol_data_tlv){
+               PrintAndLog("ERROR: can't create PDOL TLV.");
+               return 4;
+       }
+       
+       size_t pdol_data_tlv_data_len;
+       unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
+       if (!pdol_data_tlv_data) {
+               PrintAndLog("ERROR: can't create PDOL data.");
+               return 4;
+       }
+       PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+//PrintAndLog("-----BREAK.");
+//return 0;
+       PrintAndLog("\n* GPO.");
+       res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+       
+       free(pdol_data_tlv);
+       
+       if (res) {      
+               PrintAndLog("GPO error(%d): %4x. Exit...", res, sw);
+               return 5;
+       }
+
+       // process response template format 1 [id:80  2b AIP + x4b AFL] and format 2 [id:77 TLV]
+       if (buf[0] == 0x80) {
+               
+               
+               
+               if (decodeTLV){
+                       PrintAndLog("GPO response format1:");
+                       TLVPrintFromBuffer(buf, len);
+               }
+       } else {
+               
+               
+               
+               if (decodeTLV)
+                       TLVPrintFromBuffer(buf, len);
+       }
+       
+       PrintAndLog("\n* Read records from AFL.");
+       const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
+       if (!AFL || !AFL->len) {
+               PrintAndLog("WARNING: AFL not found.");
+       }
+       
+       while(AFL && AFL->len) {
+               if (AFL->len % 4) {
+                       PrintAndLog("ERROR: Wrong AFL length: %d", AFL->len);
+                       break;
+               }
+
+               for (int i = 0; i < AFL->len / 4; i++) {
+                       uint8_t SFI = AFL->value[i * 4 + 0] >> 3;
+                       uint8_t SFIstart = AFL->value[i * 4 + 1];
+                       uint8_t SFIend = AFL->value[i * 4 + 2];
+                       uint8_t SFIoffline = AFL->value[i * 4 + 3];
+                       
+                       PrintAndLog("* * SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
+                       if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
+                               PrintAndLog("SFI ERROR! Skipped...");
+                               continue;
+                       }
+                       
+                       for(int n = SFIstart; n <= SFIend; n++) {
+                               PrintAndLog("* * * SFI[%02x] %d", SFI, n);
+                               
+                               res = EMVReadRecord(true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
+                               if (res) {
+                                       PrintAndLog("ERROR SFI[%02x]. APDU error %4x", SFI, sw);
+                                       continue;
+                               }
+                               
+                               if (decodeTLV) {
+                                       TLVPrintFromBuffer(buf, len);
+                                       PrintAndLog("");
+                               }
+                               
+                               if (SFIoffline) {
+                                       // here will be offline records storing...
+                                       // dont foget: if (sfi < 11)
+                               }
+                       }
+               }
+               
+               break;
+       }       
+       
+       // additional contacless EMV commands (fDDA, CDA, external authenticate)
+       
+       
+       // DropField
+       DropField();
+       
+       // Destroy TLV's
+       tlvdb_free(tlvSelect);
+       tlvdb_free(tlvRoot);
+
+       PrintAndLog("\n* Transaction completed.");
+       
+       return 0;
+}
+
+int CmdHelp(const char *Cmd);
+static command_t CommandTable[] =  {
+       {"help",        CmdHelp,                1,      "This help"},
+       {"exec",        CmdHFEMVExec,   0,      "Executes EMV contactless transaction."},
+       {"pse",         CmdHFEMVPPSE,   0,      "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
+       {"search",      CmdHFEMVSearch, 0,      "Try to select all applets from applets list and print installed applets."},
+       {"select",      CmdHFEMVSelect, 0,      "Select applet."},
+       {NULL, NULL, 0, NULL}
+};
+
+int CmdHFEMV(const char *Cmd) {
+       CmdsParse(CommandTable, Cmd);
+       return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+       CmdsHelp(CommandTable);
+       return 0;
+}
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