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Merge pull request #1474 from merlokk/lrp_dump

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Lrp dump command
This commit is contained in:
Oleg Moiseenko 2021-08-21 19:05:52 +03:00 • committed by GitHub
commit 6505f0cbf3
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 47 additions and 20 deletions
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56
client/src/cmdhfmfdes.c
View file

@ -4500,7 +4500,7 @@ static int DesfileReadISOFileAndPrint(DesfireContext *dctx, bool select_current_
return PM3_SUCCESS;
}
static int DesfileReadFileAndPrint(DesfireContext *dctx, uint8_t fnum, int filetype, uint32_t offset, uint32_t length, bool noauth, bool verbose) {
static int DesfileReadFileAndPrint(DesfireContext *dctx, uint8_t fnum, int filetype, uint32_t offset, uint32_t length, uint32_t maxdatafilelength, bool noauth, bool verbose) {
int res = 0;
// length of record for record file
size_t reclen = 0;
@ -4542,8 +4542,24 @@ static int DesfileReadFileAndPrint(DesfireContext *dctx, uint8_t fnum, int filet
break;
}
}
commMode = fsettings.commMode;
// lrp needs to point exact mode
if (dctx->secureChannel == DACLRP) {
// read right == free
if (fsettings.rAccess == 0xe)
commMode = DCMPlain;
// get value access == free
if (filetype == RFTValue && (fsettings.limitedCredit & 0x02) != 0)
commMode = DCMPlain;
}
DesfireSetCommMode(dctx, fsettings.commMode);
// calc max length
if (filetype == RFTData && maxdatafilelength && (maxdatafilelength < fsettings.fileSize)) {
length = maxdatafilelength;
}
DesfireSetCommMode(dctx, commMode);
if (fsettings.fileCommMode != 0 && noauth)
PrintAndLogEx(WARNING, "File needs communication mode `%s` but there is no authentication", CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode));
@ -4563,7 +4579,7 @@ static int DesfileReadFileAndPrint(DesfireContext *dctx, uint8_t fnum, int filet
PrintAndLogEx(WARNING, "GetFileSettings error. Can't get file type.");
}
}
PrintAndLogEx(INFO, "------------------------------- " _CYAN_("File %02x data") " -------------------------------", fnum);
uint8_t resp[2048] = {0};
@ -4777,7 +4793,7 @@ static int CmdHF14ADesReadData(const char *Cmd) {
}
if (dctx.cmdSet != DCCISO)
res = DesfileReadFileAndPrint(&dctx, fnum, op, offset, length, noauth, verbose);
res = DesfileReadFileAndPrint(&dctx, fnum, op, offset, length, 0, noauth, verbose);
else
res = DesfileReadISOFileAndPrint(&dctx, fileisoidpresent, fnum, fileisoid, op, offset, length, noauth, verbose);
@ -5330,7 +5346,8 @@ static int CmdHF14ADesDump(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes dump",
"For each application show fil list and then file content. Key needs to be provided for authentication or flag --no-auth set (depend on cards settings).",
"hf mfdes dump --aid 123456 -> show file dump for: app=123456 with channel defaults from `default` command");
"hf mfdes dump --aid 123456 -> show file dump for: app=123456 with channel defaults from `default` command/n"
"hf mfdes dump --appisoid df01 -s lrp -t aes --length 000090 -> lrp default settings with length limit");
void *argtable[] = {
arg_param_begin,
@ -5345,6 +5362,8 @@ static int CmdHF14ADesDump(const char *Cmd) {
arg_str0("c", "ccset", "<native/niso/iso>", "Communicaton command set: native/niso/iso"),
arg_str0("s", "schann", "<d40/ev1/ev2/lrp>", "Secure channel: d40/ev1/ev2/lrp"),
arg_str0(NULL, "aid", "<app id hex>", "Application ID (3 hex bytes, big endian)"),
arg_str0(NULL, "appisoid", "<isoid hex>", "Application ISO ID (ISO DF ID) (2 hex bytes, big endian)."),
arg_str0("l", "length", "<hex>", "Maximum length for read data files (3 hex bytes, big endian)."),
arg_lit0(NULL, "no-auth", "execute without authentication"),
arg_param_end
};
@ -5352,23 +5371,31 @@ static int CmdHF14ADesDump(const char *Cmd) {
bool APDULogging = arg_get_lit(ctx, 1);
bool verbose = arg_get_lit(ctx, 2);
bool noauth = arg_get_lit(ctx, 12);
bool noauth = arg_get_lit(ctx, 14);
DesfireContext dctx;
int securechann = defaultSecureChannel;
uint32_t appid = 0x000000;
int res = CmdDesGetSessionParameters(ctx, &dctx, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, &securechann, (noauth) ? DCMPlain : DCMMACed, &appid, NULL);
uint32_t id = 0x000000;
DesfireISOSelectWay selectway = ISW6bAID;
int res = CmdDesGetSessionParameters(ctx, &dctx, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, &securechann, (noauth) ? DCMPlain : DCMMACed, &id, &selectway);
if (res) {
CLIParserFree(ctx);
return res;
}
uint32_t maxlength = 0;
if (CLIGetUint32Hex(ctx, 13, 0, &maxlength, NULL, 3, "Length parameter must have 3 byte length")) {
CLIParserFree(ctx);
return PM3_EINVARG;
}
SetAPDULogging(APDULogging);
CLIParserFree(ctx);
res = DesfireSelectAndAuthenticateEx(&dctx, securechann, appid, noauth, verbose);
res = DesfireSelectAndAuthenticateAppW(&dctx, securechann, selectway, id, noauth, verbose);
if (res != PM3_SUCCESS) {
DropField();
PrintAndLogEx(FAILED, "Select or authentication %s " _RED_("failed") ". Result [%d] %s", DesfireWayIDStr(selectway, id), res, DesfireAuthErrorToStr(res));
return res;
}
@ -5382,12 +5409,13 @@ static int CmdHF14ADesDump(const char *Cmd) {
}
PrintAndLogEx(NORMAL, "");
PrintAndLogEx(SUCCESS, "Application " _CYAN_("%06x") " have " _GREEN_("%zu") " files", appid, filescount);
PrintAndLogEx(SUCCESS, "Application " _CYAN_("%s") " have " _GREEN_("%zu") " files", DesfireWayIDStr(selectway, id), filescount);
DesfirePrintAIDFunctions(appid);
if (selectway == ISW6bAID)
DesfirePrintAIDFunctions(id);
if (filescount == 0) {
PrintAndLogEx(INFO, "There is no files in the application %06x", appid);
PrintAndLogEx(INFO, "There is no files in the application %s", DesfireWayIDStr(selectway, id));
DropField();
return res;
}
@ -5396,7 +5424,7 @@ static int CmdHF14ADesDump(const char *Cmd) {
for (int i = 0; i < filescount; i++) {
if (res != PM3_SUCCESS) {
DesfireSetCommMode(&dctx, DCMPlain);
res = DesfireSelectAndAuthenticateEx(&dctx, securechann, appid, noauth, verbose);
res = DesfireSelectAndAuthenticateAppW(&dctx, securechann, selectway, id, noauth, verbose);
if (res != PM3_SUCCESS) {
DropField();
return res;
@ -5414,7 +5442,7 @@ static int CmdHF14ADesDump(const char *Cmd) {
}
DesfirePrintFileSettingsExtended(&FileList[i].fileSettings);
res = DesfileReadFileAndPrint(&dctx, FileList[i].fileNum, RFTAuto, 0, 0, noauth, verbose);
res = DesfileReadFileAndPrint(&dctx, FileList[i].fileNum, RFTAuto, 0, 0, maxlength, noauth, verbose);
}
DropField();

11
client/src/mifare/desfirecore.c
View file

@ -2501,12 +2501,11 @@ void DesfirePrintFileSettingsExtended(FileSettingsS *fsettings) {
}
}
PrintAndLogEx(SUCCESS, "Access rights : %04x (r: %s w: %s rw: %s change: %s)",
fsettings->rawAccessRights,
GetDesfireAccessRightStr(fsettings->rAccess),
GetDesfireAccessRightStr(fsettings->wAccess),
GetDesfireAccessRightStr(fsettings->rwAccess),
GetDesfireAccessRightStr(fsettings->chAccess));
PrintAndLogEx(SUCCESS, "Access rights : %04x (" NOLF, fsettings->rawAccessRights);
PrintAndLogEx(NORMAL, "r: %s " NOLF, GetDesfireAccessRightStr(fsettings->rAccess));
PrintAndLogEx(NORMAL, "w: %s " NOLF, GetDesfireAccessRightStr(fsettings->wAccess));
PrintAndLogEx(NORMAL, "rw: %s " NOLF, GetDesfireAccessRightStr(fsettings->rwAccess));
PrintAndLogEx(NORMAL, "change: %s)", GetDesfireAccessRightStr(fsettings->chAccess));
}