From f5d5f088b8bb09482eeb607b31b4bfe90b8feb67 Mon Sep 17 00:00:00 2001 From: merlokk <807634+merlokk@users.noreply.github.com> Date: Wed, 28 Jul 2021 18:13:07 +0300 Subject: [PATCH] write file command --- client/src/cmdhfmfdes.c | 270 ++++++++++++++++++++++++++++++++++++++-- 1 file changed, 259 insertions(+), 11 deletions(-) diff --git a/client/src/cmdhfmfdes.c b/client/src/cmdhfmfdes.c index bcfbd3533..ce5dc21b9 100644 --- a/client/src/cmdhfmfdes.c +++ b/client/src/cmdhfmfdes.c @@ -1518,7 +1518,7 @@ static int handler_desfire_getkeysettings(uint8_t *key_settings, uint8_t *num_ke return res; } -static int handler_desfire_commit_transaction(void) { +/*static int handler_desfire_commit_transaction(void) { sAPDU apdu = {0x90, MFDES_COMMIT_TRANSACTION, 0x00, 0x00, 0x00, NULL}; //0xC7 uint32_t recv_len = 0; uint16_t sw = 0; @@ -1531,7 +1531,7 @@ static int handler_desfire_commit_transaction(void) { return PM3_ESOFT; return res; -} +}*/ // --- GET APPIDS static int handler_desfire_appids(uint8_t *dest, uint32_t *app_ids_len) { @@ -1747,12 +1747,12 @@ static int handler_desfire_getvalue(mfdes_value_t *value, uint32_t *resplen, uin return res; } -static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, uint8_t cs) { +//static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, uint8_t cs) { /* LC FN OF OF OF LN LN LN DD DD DD 90 3d 00 00 16 01 00 00 00 0f 00 00 00 0f 20 00 3b 00 34 04 06 e1 04 0f fe 00 00 00 90 3d 00 00 09 02 00 00 00 02 00 00 00 00 00 */ - +/* if (data->fileno > 0x1F) { return PM3_EINVARG; } @@ -1802,14 +1802,14 @@ static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, apdu.Lc = plen - 1; } - /* + * // we dont want to change the value of datasize, so delt with above without change // Doing so can create wrong offsets and endless loop. if (plen != -1) datasize = (uint8_t)plen; memcpy(&tmp[7], p, datasize); apdu.Lc = datasize + 1 + 3 + 3; - */ + * res = send_desfire_cmd(&apdu, false, NULL, &recvlen, &sw, 0, true); if (res != PM3_SUCCESS) { @@ -1828,7 +1828,7 @@ static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, } } return res; -} +}*/ static int getKeySettings(uint8_t *aid) { if (aid == NULL) return PM3_EINVARG; @@ -2041,7 +2041,7 @@ static int CmdHF14ADesSelectApp(const char *Cmd) { return res; } -static int selectfile(uint8_t *aid, uint8_t fileno, uint8_t *cs) { +/*static int selectfile(uint8_t *aid, uint8_t fileno, uint8_t *cs) { if (handler_desfire_select_application(aid) != PM3_SUCCESS) { PrintAndLogEx(ERR, _RED_(" Couldn't select aid.")); return PM3_ESOFT; @@ -2071,7 +2071,7 @@ static int selectfile(uint8_t *aid, uint8_t fileno, uint8_t *cs) { } *cs = filesettings[1]; return res; -} +}*/ static int CmdHF14ADesInfo(const char *Cmd) { CLIParserContext *ctx; @@ -6252,7 +6252,7 @@ static int CmdHF14ADesReadData(const char *Cmd) { arg_str0("c", "ccset", "", "Communicaton command set: native/niso/iso"), arg_str0("s", "schann", "", "Secure channel: d40/ev1/ev2"), arg_str0(NULL, "aid", "", "Application ID (3 hex bytes, big endian)"), - arg_str0(NULL, "fid", "", "File ID for clearing (1 hex byte)"), + arg_str0(NULL, "fid", "", "File ID (1 hex byte)"), arg_lit0(NULL, "no-auth", "execute without authentication"), arg_str0(NULL, "type", "", "File Type auto/data(Standard/Backup)/value/record(linear/cyclic)/mac). Auto - check file settings and then read. Default: auto"), arg_str0("o", "offset", "", "File Offset (3 hex bytes, big endian). For records - record number (0 - lastest record). Default 0"), @@ -6479,8 +6479,255 @@ static int CmdHF14ADesReadData(const char *Cmd) { } static int CmdHF14ADesWriteData(const char *Cmd) { - CLIParserContext *ctx; + CLIParserInit(&ctx, "hf mfdes write", + "Write data from file. Key needs to be provided or flag --no-auth set (depend on file settings).", + "hf mfdes write --aid 123456 --fid 01 -d 01020304 -> write file: app=123456, file=01, offset=0, get file type from card. use default channel settings from `default` command\n" + "hf mfdes write --aid 123456 --fid 01 --type record --offset 000000 -d 11223344 -> write record to record file. use default channel settings from `default` command"); + + void *argtable[] = { + arg_param_begin, + arg_lit0("a", "apdu", "show APDU requests and responses"), + arg_lit0("v", "verbose", "show technical data"), + arg_int0("n", "keyno", "", "Key number"), + arg_str0("t", "algo", "", "Crypt algo: DES, 2TDEA, 3TDEA, AES"), + arg_str0("k", "key", "", "Key for authenticate (HEX 8(DES), 16(2TDEA or AES) or 24(3TDEA) bytes)"), + arg_str0("f", "kdf", "", "Key Derivation Function (KDF): None, AN10922, Gallagher"), + arg_str0("i", "kdfi", "", "KDF input (HEX 1-31 bytes)"), + arg_str0("m", "cmode", "", "Communicaton mode: plain/mac/encrypt"), + arg_str0("c", "ccset", "", "Communicaton command set: native/niso/iso"), + arg_str0("s", "schann", "", "Secure channel: d40/ev1/ev2"), + arg_str0(NULL, "aid", "", "Application ID (3 hex bytes, big endian)"), + arg_str0(NULL, "fid", "", "File ID (1 hex byte)"), + arg_lit0(NULL, "no-auth", "execute without authentication"), + arg_str0(NULL, "type", "", "File Type auto/data(Standard/Backup)/value/record(linear/cyclic)/mac). Auto - check file settings and then write. Default: auto"), + arg_str0("o", "offset", "", "File Offset (3 hex bytes, big endian). For records - record number (0 - lastest record). Default 0"), + arg_str0("d", "data", "", "data for write (data/record file), credit/debit(value file)"), + arg_lit0(NULL, "debit", "use for value file debit operation instead of credit"), + arg_lit0(NULL, "commit", "commit needs for backup, value and record data file. In `auto` type it set automatically."), + arg_int0(NULL, "updaterec", "", "Record number for update record command. Updates record instead of write. Lastest record - 0"), + arg_param_end + }; + CLIExecWithReturn(ctx, Cmd, argtable, false); + + bool APDULogging = arg_get_lit(ctx, 1); + bool verbose = arg_get_lit(ctx, 2); + bool noauth = arg_get_lit(ctx, 13); + + DesfireContext dctx; + int securechann = defaultSecureChannel; + uint32_t appid = 0x000000; + int res = CmdDesGetSessionParameters(ctx, &dctx, 3, 4, 5, 6, 7, 8, 9, 10, 11, &securechann, DCMPlain, &appid); + if (res) { + CLIParserFree(ctx); + return res; + } + + uint32_t fnum = 1; + res = arg_get_u32_hexstr_def_nlen(ctx, 12, 1, &fnum, 1, true); + if (res == 2) { + PrintAndLogEx(ERR, "File ID must have 1 byte length"); + CLIParserFree(ctx); + return PM3_EINVARG; + } + + int op = RFTAuto; + if (CLIGetOptionList(arg_get_str(ctx, 14), DesfireReadFileTypeOpts, &op)) { + CLIParserFree(ctx); + return PM3_ESOFT; + } + + uint32_t offset = 0; + res = arg_get_u32_hexstr_def_nlen(ctx, 15, 0, &offset, 3, true); + if (res == 2) { + PrintAndLogEx(ERR, "Offset must have 3 byte length"); + CLIParserFree(ctx); + return PM3_EINVARG; + } + + uint8_t data[1024] = {0}; + int datalen = sizeof(data); + CLIGetHexWithReturn(ctx, 16, data, &datalen); + if (datalen == 0) { + PrintAndLogEx(ERR, "Data for write must be present."); + CLIParserFree(ctx); + return PM3_EINVARG; + } + + bool debit = arg_get_lit(ctx, 17); + bool commit = arg_get_lit(ctx, 18); + + SetAPDULogging(APDULogging); + CLIParserFree(ctx); + + if (fnum > 0x1F) { + PrintAndLogEx(ERR, "File number range is invalid (exp 0 - 31), got %d", fnum); + return PM3_EINVARG; + } + + if (noauth) { + res = DesfireSelectAIDHex(&dctx, appid, false, 0); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire select " _RED_("error") "."); + DropField(); + return res; + } + } else { + res = DesfireSelectAndAuthenticate(&dctx, securechann, appid, verbose); + if (res != PM3_SUCCESS) { + DropField(); + return res; + } + } + + // get file settings + if (op == RFTAuto) { + FileSettingsS fsettings; + + DesfireCommunicationMode commMode = dctx.commMode; + DesfireSetCommMode(&dctx, DCMPlain); + res = DesfireGetFileSettingsStruct(&dctx, fnum, &fsettings); + DesfireSetCommMode(&dctx, commMode); + + if (res == PM3_SUCCESS) { + switch(fsettings.fileType) { + case 0x00: + case 0x01: { + op = RFTData; + commit = (fsettings.fileType == 0x01); + break; + } + case 0x02: { + op = RFTValue; + commit = true; + break; + } + case 0x03: + case 0x04: { + op = RFTRecord; + commit = true; + if (datalen > fsettings.recordSize) + PrintAndLogEx(WARNING, "Record size (%d) " _RED_("is less") " than data length (%d)", fsettings.recordSize, datalen); + break; + } + case 0x05: { + op = RFTMAC; + commit = false; + break; + } + default: { + break; + } + } + + DesfireSetCommMode(&dctx, fsettings.commMode); + + if (fsettings.fileCommMode != 0 && noauth) + PrintAndLogEx(WARNING, "File needs communication mode `%s` but there is no authentication", CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode)); + + if (verbose) + PrintAndLogEx(INFO, "Got file type: %s. Option: %s. comm mode: %s", + GetDesfireFileType(fsettings.fileType), + CLIGetOptionListStr(DesfireReadFileTypeOpts, op), + CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode)); + } else { + PrintAndLogEx(WARNING, "GetFileSettings error. Can't get file type."); + } + } + + if (op == RFTData) { + res = DesfireWriteFile(&dctx, fnum, offset, datalen, data); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire WriteFile command " _RED_("error") ". Result: %d", res); + DropField(); + return PM3_ESOFT; + } + + if (commit) { + res = DesfireCommitTransaction(&dctx, false, 0); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire CommitTransaction command " _RED_("error") ". Result: %d", res); + DropField(); + return PM3_ESOFT; + } + } + + PrintAndLogEx(SUCCESS, "Write data file %02x " _GREEN_("success"), fnum); + } + + if (op == RFTValue) { + if (datalen != 4) + PrintAndLogEx(WARNING, "Value " _RED_("should be") " 4 byte length instead of %d", datalen); + + uint32_t value = MemBeToUint4byte(data); + uint8_t vop = (debit) ? MFDES_DEBIT : MFDES_CREDIT; + res = DesfireValueFileOperations(&dctx, fnum, vop, &value); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire %s operation " _RED_("error") ". Result: %d", CLIGetOptionListStr(DesfireValueFileOperOpts, vop), res); + DropField(); + return PM3_ESOFT; + } + + if (commit) { + res = DesfireCommitTransaction(&dctx, false, 0); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire CommitTransaction command " _RED_("error") ". Result: %d", res); + DropField(); + return PM3_ESOFT; + } + } + + PrintAndLogEx(SUCCESS, "Value file %02x (%s) " _GREEN_("success"), fnum, CLIGetOptionListStr(DesfireValueFileOperOpts, vop)); + } + + if (op == RFTRecord) { +/* resplen = 0; + if (reclen == 0) { + res = DesfireReadRecords(&dctx, fnum, offset, 1, resp, &resplen); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire ReadRecords (len=1) command " _RED_("error") ". Result: %d", res); + DropField(); + return PM3_ESOFT; + } + reclen = resplen; + } + + if (verbose) + PrintAndLogEx(INFO, "Record length %zu", reclen); + + // if we got one record via the DesfireReadRecords before -- we not need to get it 2nd time + if (length != 1 || resplen == 0) { + res = DesfireReadRecords(&dctx, fnum, offset, length, resp, &resplen); + if (res != PM3_SUCCESS) { + PrintAndLogEx(ERR, "Desfire ReadRecords command " _RED_("error") ". Result: %d", res); + DropField(); + return PM3_ESOFT; + } + } + + if (resplen > 0) { + size_t reccount = resplen / reclen; + PrintAndLogEx(SUCCESS, "Read %u bytes from file 0x%02x from record %d record count %zu record length %zu", resplen, fnum, offset, reccount, reclen); + if (reccount > 1) + PrintAndLogEx(SUCCESS, "Lastest record at the bottom."); + for (int i = 0; i < reccount; i++) { + if (i != 0) + PrintAndLogEx(SUCCESS, "Record %d", i + offset); + print_buffer_with_offset(&resp[i * reclen], reclen, offset, (i == 0)); + } + } else { + PrintAndLogEx(SUCCESS, "Read operation returned no data from file %d", fnum); + }*/ + } + + if (op == RFTMAC) { + PrintAndLogEx(ERR, "Can't " _RED_("write") " to transaction MAC file"); + } + + DropField(); + return PM3_SUCCESS; + +/* CLIParserContext *ctx; CLIParserInit(&ctx, "hf mfdes write", "Write data to file\n" "Make sure to select aid or authenticate aid before running this command.", @@ -6574,6 +6821,7 @@ static int CmdHF14ADesWriteData(const char *Cmd) { } DropFieldDesfire(); return res; + */ } static int CmdHF14ADesTest(const char *Cmd) {