X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/6b882a3918590b9c0f45643323adae9862eedde5..0d2624a0cc13dbe34392da1f8495af6c64a84ddb:/client/cmdhffido.c diff --git a/client/cmdhffido.c b/client/cmdhffido.c index e2d6c091..9c812860 100644 --- a/client/cmdhffido.c +++ b/client/cmdhffido.c @@ -28,12 +28,14 @@ #include #include #include +#include +#include +#include #include "comms.h" #include "cmdmain.h" #include "util.h" #include "ui.h" #include "proxmark3.h" -#include "cmdhf14a.h" #include "mifare.h" #include "emv/emvcore.h" #include "emv/emvjson.h" @@ -41,50 +43,12 @@ #include "cliparser/cliparser.h" #include "crypto/asn1utils.h" #include "crypto/libpcrypto.h" -#include "fido/additional_ca.h" -#include "mbedtls/x509_crt.h" -#include "mbedtls/x509.h" -#include "mbedtls/pk.h" +#include "fido/cbortools.h" +#include "fido/fidocore.h" +#include "fido/cose.h" static int CmdHelp(const char *Cmd); -int FIDOSelect(bool ActivateField, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) { - uint8_t data[] = {0xA0, 0x00, 0x00, 0x06, 0x47, 0x2F, 0x00, 0x01}; - - return EMVSelect(ActivateField, LeaveFieldON, data, sizeof(data), Result, MaxResultLen, ResultLen, sw, NULL); -} - -int FIDOExchange(sAPDU apdu, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) { - int res = EMVExchange(true, apdu, Result, MaxResultLen, ResultLen, sw, NULL); - if (res == 5) // apdu result (sw) not a 0x9000 - res = 0; - // software chaining - while (!res && (*sw >> 8) == 0x61) { - size_t oldlen = *ResultLen; - res = EMVExchange(true, (sAPDU){0x00, 0xC0, 0x00, 0x00, 0x00, NULL}, &Result[oldlen], MaxResultLen - oldlen, ResultLen, sw, NULL); - if (res == 5) // apdu result (sw) not a 0x9000 - res = 0; - - *ResultLen += oldlen; - if (*ResultLen > MaxResultLen) - return 100; - } - return res; -} - -int FIDORegister(uint8_t *params, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) { - return FIDOExchange((sAPDU){0x00, 0x01, 0x03, 0x00, 64, params}, Result, MaxResultLen, ResultLen, sw); -} - -int FIDOAuthentication(uint8_t *params, uint8_t paramslen, uint8_t controlb, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) { - return FIDOExchange((sAPDU){0x00, 0x02, controlb, 0x00, paramslen, params}, Result, MaxResultLen, ResultLen, sw); -} - -int FIDO2GetInfo(uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) { - uint8_t data[] = {0x04}; - return FIDOExchange((sAPDU){0x80, 0x10, 0x00, 0x00, sizeof(data), data}, Result, MaxResultLen, ResultLen, sw); -} - int CmdHFFidoInfo(const char *cmd) { if (cmd && strlen(cmd) > 0) @@ -139,9 +103,23 @@ int CmdHFFidoInfo(const char *cmd) { return 0; } + + if(buf[0]) { + PrintAndLog("FIDO2 ger version error: %d - %s", buf[0], fido2GetCmdErrorDescription(buf[0])); + return 0; + } - PrintAndLog("FIDO2 version: (%d)", len); - dump_buffer((const unsigned char *)buf, len, NULL, 0); + if (len > 1) { +// if (false) { +// PrintAndLog("FIDO2 version: (len=%d)", len); +// dump_buffer((const unsigned char *)buf, len, NULL, 0); +// } + + PrintAndLog("FIDO2 version CBOR decoded:"); + TinyCborPrintFIDOPackage(fido2CmdGetInfo, true, &buf[1], len - 1); + } else { + PrintAndLog("FIDO2 version length error"); + } return 0; } @@ -348,60 +326,7 @@ int CmdHFFidoRegister(const char *cmd) { PrintAndLog("----------------DER TLV-----------------"); } - // load CA's - mbedtls_x509_crt cacert; - mbedtls_x509_crt_init(&cacert); - res = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) additional_ca_pem, additional_ca_pem_len); - if (res < 0) { - PrintAndLog("ERROR: CA parse certificate returned -0x%x - %s", -res, ecdsa_get_error(res)); - } - if (verbose) - PrintAndLog("CA load OK. %d skipped", res); - - // load DER certificate from authenticator's data - mbedtls_x509_crt cert; - mbedtls_x509_crt_init(&cert); - res = mbedtls_x509_crt_parse_der(&cert, &buf[derp], derLen); - if (res) { - PrintAndLog("ERROR: DER parse returned 0x%x - %s", (res<0)?-res:res, ecdsa_get_error(res)); - } - - // get certificate info - char linfo[300] = {0}; - if (verbose) { - mbedtls_x509_crt_info(linfo, sizeof(linfo), " ", &cert); - PrintAndLog("DER certificate info:\n%s", linfo); - } - - // verify certificate - uint32_t verifyflags = 0; - res = mbedtls_x509_crt_verify(&cert, &cacert, NULL, NULL, &verifyflags, NULL, NULL); - if (res) { - PrintAndLog("ERROR: DER verify returned 0x%x - %s", (res<0)?-res:res, ecdsa_get_error(res)); - } else { - PrintAndLog("Certificate OK."); - } - - if (verbose) { - memset(linfo, 0x00, sizeof(linfo)); - mbedtls_x509_crt_verify_info(linfo, sizeof(linfo), " ", verifyflags); - PrintAndLog("Verification info:\n%s", linfo); - } - - // get public key - res = ecdsa_public_key_from_pk(&cert.pk, public_key, sizeof(public_key)); - if (res) { - PrintAndLog("ERROR: getting public key from certificate 0x%x - %s", (res<0)?-res:res, ecdsa_get_error(res)); - } else { - if (verbose) - PrintAndLog("Got a public key from certificate:\n%s", sprint_hex_inrow(public_key, 65)); - } - - if (verbose) - PrintAndLog("------------------DER-------------------"); - - mbedtls_x509_crt_free(&cert); - mbedtls_x509_crt_free(&cacert); + FIDOCheckDERAndGetKey(&buf[derp], derLen, verbose, public_key, sizeof(public_key)); // get hash int hashp = 1 + 65 + 1 + keyHandleLen + derLen; @@ -531,7 +456,7 @@ int CmdHFFidoAuthenticate(const char *cmd) { // public key CLIGetHexWithReturn(8, hdata, &hdatalen); - if (hdatalen && hdatalen != 130) { + if (hdatalen && hdatalen != 65) { PrintAndLog("ERROR: public key length must be 65 bytes only."); return 1; } @@ -690,12 +615,301 @@ int CmdHFFidoAuthenticate(const char *cmd) { return 0; }; +void CheckSlash(char *fileName) { + if ((fileName[strlen(fileName) - 1] != '/') && + (fileName[strlen(fileName) - 1] != '\\')) + strcat(fileName, "/"); +} + +int GetExistsFileNameJson(char *prefixDir, char *reqestedFileName, char *fileName) { + fileName[0] = 0x00; + strcpy(fileName, get_my_executable_directory()); + CheckSlash(fileName); + + strcat(fileName, prefixDir); + CheckSlash(fileName); + + strcat(fileName, reqestedFileName); + if (!strstr(fileName, ".json")) + strcat(fileName, ".json"); + + if (access(fileName, F_OK) < 0) { + strcpy(fileName, get_my_executable_directory()); + CheckSlash(fileName); + + strcat(fileName, reqestedFileName); + if (!strstr(fileName, ".json")) + strcat(fileName, ".json"); + + if (access(fileName, F_OK) < 0) { + return 1; // file not found + } + } + return 0; +} + +int CmdHFFido2MakeCredential(const char *cmd) { + json_error_t error; + json_t *root = NULL; + char fname[300] = {0}; + + CLIParserInit("hf fido make", + "Execute a FIDO2 Make Credentional command. Needs json file with parameters. Sample file `fido2.json`. File can be placed in proxmark directory or in `proxmark/fido` directory.", + "Usage:\n\thf fido make -> execute command default parameters file `fido2.json`\n" + "\thf fido make test.json -> execute command with parameters file `text.json`"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_litn("vV", "verbose", 0, 2, "show technical data. vv - show full certificates data"), + arg_lit0("tT", "tlv", "Show DER certificate contents in TLV representation"), + arg_lit0("cC", "cbor", "show CBOR decoded data"), + arg_str0(NULL, NULL, "", "JSON input / output file name for parameters. Default `fido2.json`"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool APDULogging = arg_get_lit(1); + bool verbose = arg_get_lit(2); + bool verbose2 = arg_get_lit(2) > 1; + bool showDERTLV = arg_get_lit(3); + bool showCBOR = arg_get_lit(4); + + uint8_t jsonname[250] ={0}; + char *cjsonname = (char *)jsonname; + int jsonnamelen = 0; + CLIGetStrWithReturn(5, jsonname, &jsonnamelen); + + if (!jsonnamelen) { + strcat(cjsonname, "fido2"); + jsonnamelen = strlen(cjsonname); + } + + CLIParserFree(); + + SetAPDULogging(APDULogging); + + int res = GetExistsFileNameJson("fido", cjsonname, fname); + if(res) { + PrintAndLog("ERROR: Can't found the json file."); + return res; + } + PrintAndLog("fname: %s\n", fname); + root = json_load_file(fname, 0, &error); + if (!root) { + PrintAndLog("ERROR: json error on line %d: %s", error.line, error.text); + return 1; + } + + uint8_t data[2048] = {0}; + size_t datalen = 0; + uint8_t buf[2048] = {0}; + size_t len = 0; + uint16_t sw = 0; + + DropField(); + res = FIDOSelect(true, true, buf, sizeof(buf), &len, &sw); + + if (res) { + PrintAndLog("Can't select authenticator. res=%x. Exit...", res); + DropField(); + return res; + } + + if (sw != 0x9000) { + PrintAndLog("Can't select FIDO application. APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + DropField(); + return 2; + } + + res = FIDO2CreateMakeCredentionalReq(root, data, sizeof(data), &datalen); + if (res) + return res; + + if (showCBOR) { + PrintAndLog("CBOR make credentional request:"); + PrintAndLog("---------------- CBOR ------------------"); + TinyCborPrintFIDOPackage(fido2CmdMakeCredential, false, data, datalen); + PrintAndLog("---------------- CBOR ------------------"); + } + + res = FIDO2MakeCredential(data, datalen, buf, sizeof(buf), &len, &sw); + DropField(); + if (res) { + PrintAndLog("Can't execute make credential command. res=%x. Exit...", res); + return res; + } + + if (sw != 0x9000) { + PrintAndLog("ERROR execute make credential command. APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + return 3; + } + + if(buf[0]) { + PrintAndLog("FIDO2 make credential error: %d - %s", buf[0], fido2GetCmdErrorDescription(buf[0])); + return 0; + } + + PrintAndLog("MakeCredential result (%d b) OK.", len); + if (showCBOR) { + PrintAndLog("CBOR make credentional response:"); + PrintAndLog("---------------- CBOR ------------------"); + TinyCborPrintFIDOPackage(fido2CmdMakeCredential, true, &buf[1], len - 1); + PrintAndLog("---------------- CBOR ------------------"); + } + + // parse returned cbor + FIDO2MakeCredentionalParseRes(root, &buf[1], len - 1, verbose, verbose2, showCBOR, showDERTLV); + + if (root) { + res = json_dump_file(root, fname, JSON_INDENT(2)); + if (res) { + PrintAndLog("ERROR: can't save the file: %s", fname); + return 200; + } + PrintAndLog("File `%s` saved.", fname); + } + + json_decref(root); + + return 0; +}; + +int CmdHFFido2GetAssertion(const char *cmd) { + json_error_t error; + json_t *root = NULL; + char fname[300] = {0}; + + CLIParserInit("hf fido assert", + "Execute a FIDO2 Get Assertion command. Needs json file with parameters. Sample file `fido2.json`. File can be placed in proxmark directory or in `proxmark/fido` directory.", + "Usage:\n\thf fido assert -> execute command default parameters file `fido2.json`\n" + "\thf fido assert test.json -l -> execute command with parameters file `text.json` and add to request CredentialId"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_litn("vV", "verbose", 0, 2, "show technical data. vv - show full certificates data"), + arg_lit0("cC", "cbor", "show CBOR decoded data"), + arg_lit0("lL", "list", "add CredentialId from json to allowList. Needs if `rk` option is `false` (authenticator don't store credential to its memory)"), + arg_str0(NULL, NULL, "", "JSON input / output file name for parameters. Default `fido2.json`"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool APDULogging = arg_get_lit(1); + bool verbose = arg_get_lit(2); + bool verbose2 = arg_get_lit(2) > 1; + bool showCBOR = arg_get_lit(3); + bool createAllowList = arg_get_lit(4); + + uint8_t jsonname[250] ={0}; + char *cjsonname = (char *)jsonname; + int jsonnamelen = 0; + CLIGetStrWithReturn(5, jsonname, &jsonnamelen); + + if (!jsonnamelen) { + strcat(cjsonname, "fido2"); + jsonnamelen = strlen(cjsonname); + } + + CLIParserFree(); + + SetAPDULogging(APDULogging); + + int res = GetExistsFileNameJson("fido", "fido2", fname); + if(res) { + PrintAndLog("ERROR: Can't found the json file."); + return res; + } + PrintAndLog("fname: %s\n", fname); + root = json_load_file(fname, 0, &error); + if (!root) { + PrintAndLog("ERROR: json error on line %d: %s", error.line, error.text); + return 1; + } + + uint8_t data[2048] = {0}; + size_t datalen = 0; + uint8_t buf[2048] = {0}; + size_t len = 0; + uint16_t sw = 0; + + DropField(); + res = FIDOSelect(true, true, buf, sizeof(buf), &len, &sw); + + if (res) { + PrintAndLog("Can't select authenticator. res=%x. Exit...", res); + DropField(); + return res; + } + + if (sw != 0x9000) { + PrintAndLog("Can't select FIDO application. APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + DropField(); + return 2; + } + + res = FIDO2CreateGetAssertionReq(root, data, sizeof(data), &datalen, createAllowList); + if (res) + return res; + + if (showCBOR) { + PrintAndLog("CBOR get assertion request:"); + PrintAndLog("---------------- CBOR ------------------"); + TinyCborPrintFIDOPackage(fido2CmdGetAssertion, false, data, datalen); + PrintAndLog("---------------- CBOR ------------------"); + } + + res = FIDO2GetAssertion(data, datalen, buf, sizeof(buf), &len, &sw); + DropField(); + if (res) { + PrintAndLog("Can't execute get assertion command. res=%x. Exit...", res); + return res; + } + + if (sw != 0x9000) { + PrintAndLog("ERROR execute get assertion command. APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + return 3; + } + + if(buf[0]) { + PrintAndLog("FIDO2 get assertion error: %d - %s", buf[0], fido2GetCmdErrorDescription(buf[0])); + return 0; + } + + PrintAndLog("GetAssertion result (%d b) OK.", len); + if (showCBOR) { + PrintAndLog("CBOR get assertion response:"); + PrintAndLog("---------------- CBOR ------------------"); + TinyCborPrintFIDOPackage(fido2CmdGetAssertion, true, &buf[1], len - 1); + PrintAndLog("---------------- CBOR ------------------"); + } + + // parse returned cbor + FIDO2GetAssertionParseRes(root, &buf[1], len - 1, verbose, verbose2, showCBOR); + + if (root) { + res = json_dump_file(root, fname, JSON_INDENT(2)); + if (res) { + PrintAndLog("ERROR: can't save the file: %s", fname); + return 200; + } + PrintAndLog("File `%s` saved.", fname); + } + + json_decref(root); + + return 0; +}; + static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help."}, {"info", CmdHFFidoInfo, 0, "Info about FIDO tag."}, {"reg", CmdHFFidoRegister, 0, "FIDO U2F Registration Message."}, {"auth", CmdHFFidoAuthenticate, 0, "FIDO U2F Authentication Message."}, + {"make", CmdHFFido2MakeCredential, 0, "FIDO2 MakeCredential command."}, + {"assert", CmdHFFido2GetAssertion, 0, "FIDO2 GetAssertion command."}, {NULL, NULL, 0, NULL} };