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added work with application data section

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This commit is contained in:
merlokk 2018-10-08 17:00:41 +03:00
commit a0af1061c9
1 changed files with 76 additions and 36 deletions
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112
client/emv/cmdemv.c
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@ -15,12 +15,12 @@
#include "cliparser/cliparser.h"
#include <jansson.h>
struct ApplicationDataElm {
typedef struct {
tlv_tag_t Tag;
char *Name;
};
} ApplicationDataElm;
static const struct ApplicationDataElm ApplicationData[] = {
static const ApplicationDataElm ApplicationData[] = {
{0x82, "AIP"},
{0x94, "AFL"},
@ -31,19 +31,36 @@ static const struct ApplicationDataElm ApplicationData[] = {
{0x5F28, "IssuerCountryCode"},
{0x50, "ApplicationLabel"},
{0x9F08, "VersionNumber"},
{0x9F42, "CurrencyCode"},
{0x5F2D, "LanguagePreference"},
{0x87, "PriorityIndicator"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"},
{0x5F34, "PAN"}
{0x9F07, "AUC"}, // Application Usage Control
{0x9F6C, "CTQ"},
{0x8E, "CVMList"},
{0x9F0D, "IACDefault"},
{0x9F0E, "IACDeny"},
{0x9F0F, "IACOnline"},
{0x8F, "CertificationAuthorityPublicKeyIndex"},
{0x9F32, "IssuerPublicKeyExponent"},
{0x92, "IssuerPublicKeyRemainder"},
{0x90, "IssuerPublicKeyCertificate"},
{0x9F47, "ICCPublicKeyExponent"},
{0x9F46, "ICCPublicKeyCertificate"},
{0x00, "end..."}
};
int ApplicationDataLen = sizeof(ApplicationData) / sizeof(ApplicationDataElm);
char* GetApplicationDataName(tlv_tag_t tag) {
for (int i = 0; i < ApplicationDataLen; i++)
if (ApplicationData[i].Tag == tag)
return ApplicationData[i].Name;
return NULL;
}
#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) )
void ParamLoadDefaults(struct tlvdb *tlvRoot) {
@ -1206,7 +1223,7 @@ int JsonSaveTLVValue(json_t *root, char *path, struct tlvdb *tlvdbelm) {
return 1;
}
int JsonSaveTLVElm(json_t *elm, char *path, struct tlv *tlvelm, bool saveValue) {
int JsonSaveTLVElm(json_t *elm, char *path, struct tlv *tlvelm, bool saveName, bool saveValue, bool saveAppDataLink) {
json_error_t error;
if (strlen(path) < 1 || !tlvelm)
@ -1231,33 +1248,51 @@ int JsonSaveTLVElm(json_t *elm, char *path, struct tlv *tlvelm, bool saveValue)
}
}
char * name = emv_get_tag_name(tlvelm);
if (name && strlen(name) > 0 && strncmp(name, "Unknown", 7))
JsonSaveStr(obj, "name", emv_get_tag_name(tlvelm));
JsonSaveHex(obj, "tag", tlvelm->tag, 0);
JsonSaveHex(obj, "length", tlvelm->len, 0);
if (saveValue)
JsonSaveBufAsHex(obj, "value", (uint8_t *)tlvelm->value, tlvelm->len);
if (saveAppDataLink) {
char * AppDataName = GetApplicationDataName(tlvelm->tag);
if (AppDataName)
JsonSaveStr(obj, "appdata", AppDataName);
} else {
char * name = emv_get_tag_name(tlvelm);
if (saveName && name && strlen(name) > 0 && strncmp(name, "Unknown", 7))
JsonSaveStr(obj, "name", emv_get_tag_name(tlvelm));
JsonSaveHex(obj, "tag", tlvelm->tag, 0);
if (saveValue) {
JsonSaveHex(obj, "length", tlvelm->len, 0);
JsonSaveBufAsHex(obj, "value", (uint8_t *)tlvelm->value, tlvelm->len);
};
}
}
return 0;
}
int JsonSaveTLVTreeElm(json_t *elm, char *path, struct tlvdb *tlvdbelm, bool saveValue) {
return JsonSaveTLVElm(elm, path, (struct tlv *)tlvdb_get_tlv(tlvdbelm), saveValue);
int JsonSaveTLVTreeElm(json_t *elm, char *path, struct tlvdb *tlvdbelm, bool saveName, bool saveValue, bool saveAppDataLink) {
return JsonSaveTLVElm(elm, path, (struct tlv *)tlvdb_get_tlv(tlvdbelm), saveName, saveValue, saveAppDataLink);
}
int JsonSaveTLVTree(json_t *elm, char *path, struct tlvdb *tlvdbelm) {
int JsonSaveTLVTree(json_t *root, json_t *elm, char *path, struct tlvdb *tlvdbelm) {
struct tlvdb *tlvp = tlvdbelm;
while (tlvp) {
const struct tlv * tlvpelm = tlvdb_get_tlv(tlvp);
char * AppDataName = NULL;
if (tlvpelm)
AppDataName = GetApplicationDataName(tlvpelm->tag);
if (AppDataName) {
char appdatalink[200] = {0};
sprintf(appdatalink, "$.ApplicationData.%s", AppDataName);
JsonSaveBufAsHex(root, appdatalink, (uint8_t *)tlvpelm->value, tlvpelm->len);
}
json_t *pelm = json_path_get(elm, path);
if (pelm && json_is_array(pelm)) {
json_t *appendelm = json_object();
json_array_append_new(pelm, appendelm);
JsonSaveTLVTreeElm(appendelm, "$", tlvp, true);
JsonSaveTLVTreeElm(appendelm, "$", tlvp, !AppDataName, !tlvdb_elm_get_children(tlvp), AppDataName);
pelm = appendelm;
} else {
JsonSaveTLVTreeElm(elm, path, tlvp, true);
JsonSaveTLVTreeElm(elm, path, tlvp, !AppDataName, !tlvdb_elm_get_children(tlvp), AppDataName);
pelm = json_path_get(elm, path);
}
@ -1281,7 +1316,7 @@ int JsonSaveTLVTree(json_t *elm, char *path, struct tlvdb *tlvdbelm) {
}
// Recursion
JsonSaveTLVTree(chjson, "$", tlvdb_elm_get_children(tlvp));
JsonSaveTLVTree(root, chjson, "$", tlvdb_elm_get_children(tlvp));
}
tlvp = tlvdb_elm_get_next(tlvp);
@ -1309,6 +1344,7 @@ int CmdHFEMVScan(const char *cmd) {
arg_param_begin,
arg_lit0("aA", "apdu", "show APDU reqests and responses."),
arg_lit0("tT", "tlv", "TLV decode results."),
arg_lit0("eE", "extract", "Extract TLV elements and fill Application Data"),
arg_lit0("jJ", "jload", "Load transaction parameters from `emv/defparams.json` file."),
arg_rem("By default:", "Transaction type - MSD"),
arg_lit0("vV", "qvsdc", "Transaction type - qVSDC or M/Chip."),
@ -1323,18 +1359,19 @@ int CmdHFEMVScan(const char *cmd) {
bool showAPDU = arg_get_lit(1);
bool decodeTLV = arg_get_lit(2);
bool paramLoadJSON = arg_get_lit(3);
bool extractTLVElements = arg_get_lit(3);
bool paramLoadJSON = arg_get_lit(4);
enum TransactionType TrType = TT_MSD;
if (arg_get_lit(4))
TrType = TT_QVSDCMCHIP;
if (arg_get_lit(5))
TrType = TT_CDA;
TrType = TT_QVSDCMCHIP;
if (arg_get_lit(6))
TrType = TT_CDA;
if (arg_get_lit(7))
TrType = TT_VSDC;
bool GenACGPO = arg_get_lit(7);
bool MergeJSON = arg_get_lit(8);
bool GenACGPO = arg_get_lit(8);
bool MergeJSON = arg_get_lit(9);
CLIParserFree();
SetAPDULogging(showAPDU);
@ -1394,7 +1431,10 @@ int CmdHFEMVScan(const char *cmd) {
JsonSaveBufAsHex(root, "$.PPSE.AID", (uint8_t *)"2PAY.SYS.DDF01", 14);
struct tlvdb *fci = tlvdb_parse_multi(buf, len);
JsonSaveTLVTree(root, "$.PPSE.FCITemplate", fci);
if (extractTLVElements)
JsonSaveTLVTree(root, root, "$.PPSE.FCITemplate", fci);
else
JsonSaveTLVTreeElm(root, "$.PPSE.FCITemplate", fci, true, true, false);
JsonSaveTLVValue(root, "$.Application.KernelID", tlvdb_find_full(fci, 0x9f2a));
tlvdb_free(fci);
}
@ -1449,7 +1489,7 @@ int CmdHFEMVScan(const char *cmd) {
TLVPrintFromBuffer(buf, len);
struct tlvdb *fci = tlvdb_parse_multi(buf, len);
JsonSaveTLVTree(root, "$.Application.FCITemplate", fci);
JsonSaveTLVTree(root, root, "$.Application.FCITemplate", fci);
tlvdb_free(fci);
// create transaction parameters
@ -1512,7 +1552,7 @@ int CmdHFEMVScan(const char *cmd) {
}
struct tlvdb *gpofci = tlvdb_parse_multi(buf, len);
JsonSaveTLVTree(root, "$.Application.GPO", gpofci);
JsonSaveTLVTree(root, root, "$.Application.GPO", gpofci);
JsonSaveTLVValue(root, "$.ApplicationData.AIP", tlvdb_find_full(gpofci, 0x82));
JsonSaveTLVValue(root, "$.ApplicationData.AFL", tlvdb_find_full(gpofci, 0x94));
@ -1573,7 +1613,7 @@ int CmdHFEMVScan(const char *cmd) {
JsonSaveHex(jsonelm, "Offline", SFIoffline, 1);
struct tlvdb *rsfi = tlvdb_parse_multi(buf, len);
JsonSaveTLVTree(jsonelm, "$.Data", rsfi);
JsonSaveTLVTree(root, jsonelm, "$.Data", rsfi);
tlvdb_free(rsfi);
}
}