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structs needs to be PACKED

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This commit is contained in:
iceman1001 2020-11-09 15:24:19 +01:00
commit 089ae507be
1 changed files with 58 additions and 29 deletions
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87
client/src/cmdhfmfdes.c
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@ -60,7 +60,7 @@ uint8_t k3kdefaultkeys[1][24] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
struct desfire_tag mf_state = {.session_key = NULL, .authentication_scheme = AS_LEGACY, .authenticated_key_no = NOT_YET_AUTHENTICATED, .crypto_buffer = NULL, .crypto_buffer_size = 0, .selected_application = 0};
static desfiretag_t tag = &mf_state;
typedef struct {
typedef struct mfdes_authinput {
uint8_t mode;
uint8_t algo;
uint8_t keyno;
@ -94,7 +94,6 @@ typedef struct {
uint8_t details[14];
} PACKED mfdes_info_res_t;
typedef struct mfdes_value {
uint8_t fileno; //01
uint8_t value[16];
@ -340,11 +339,19 @@ typedef enum {
NTAG413DNA,
} nxp_cardtype_t;
typedef struct {
typedef struct dfname {
uint8_t aid[3];
uint8_t fid[2];
uint8_t name[16];
} dfname_t;
} PACKED dfname_t;
typedef struct aidhdr {
uint8_t aid[3];
uint8_t keysetting1;
uint8_t keysetting2;
uint8_t fid[2];
uint8_t name[16];
} PACKED aidhdr_t;
static int CmdHelp(const char *Cmd);
@ -1544,9 +1551,14 @@ static int handler_desfire_dfnames(dfname_t *dest, uint8_t *dfname_count) {
static int handler_desfire_select_application(uint8_t *aid) {
if (g_debugMode > 1) {
if (aid == NULL) PrintAndLogEx(ERR, "AID=NULL");
if (aid == NULL) {
PrintAndLogEx(ERR, "AID=NULL");
}
}
if (aid == NULL) return PM3_EINVARG;
if (aid == NULL) {
return PM3_EINVARG;
}
sAPDU apdu = {0x90, MFDES_SELECT_APPLICATION, 0x00, 0x00, 0x03, aid}; //0x5a
uint32_t recv_len = 0;
uint16_t sw = 0;
@ -1620,37 +1632,38 @@ static int handler_desfire_filesettings(uint8_t file_id, uint8_t *dest, uint32_t
return res;
}
typedef struct {
uint8_t aid[3];
uint8_t keysetting1;
uint8_t keysetting2;
uint8_t fid[2];
uint8_t name[16];
} aidhdr_t;
static int handler_desfire_createapp(aidhdr_t *aidhdr, bool usename, bool usefid) {
if (aidhdr == NULL) return PM3_EINVARG;
sAPDU apdu = {0x90, MFDES_CREATE_APPLICATION, 0x00, 0x00, sizeof(aidhdr_t), (uint8_t *)aidhdr}; // 0xCA
if (!usename) {
apdu.Lc = apdu.Lc - 16;
if (usename == false) {
apdu.Lc = apdu.Lc - sizeof(aidhdr->name);
}
if (!usefid) {
apdu.Lc = apdu.Lc - 2;
if (usefid == false) {
apdu.Lc = apdu.Lc - sizeof(aidhdr->fid);
}
uint8_t *data = NULL;
if (!usefid && usename) {
data = (uint8_t *)malloc(apdu.Lc);
// skip over FID if not used.
if (usefid == false && usename) {
data = calloc(apdu.Lc, sizeof(uint8_t));
apdu.data = data;
memcpy(data, aidhdr, apdu.Lc);
memcpy(&data[3 + 1 + 1], aidhdr->name, 16);
memcpy(data, aidhdr->aid, sizeof(aidhdr->aid));
data[3] = aidhdr->keysetting1;
data[4] = aidhdr->keysetting2;
memcpy(data + 5, aidhdr->name, sizeof(aidhdr->name));
PrintAndLogEx(INFO, "new data: %s", sprint_hex_inrow(data, apdu.Lc));
}
uint16_t sw = 0;
uint32_t recvlen = 0;
int res = send_desfire_cmd(&apdu, false, NULL, &recvlen, &sw, 0, true);
if (data != NULL) free(data);
if (data != NULL) {
free(data);
}
if (res != PM3_SUCCESS) {
PrintAndLogEx(WARNING, _RED_(" Can't create aid -> %s"), GetErrorString(res, &sw));
DropField();
@ -1659,7 +1672,9 @@ static int handler_desfire_createapp(aidhdr_t *aidhdr, bool usename, bool usefid
}
static int handler_desfire_deleteapp(const uint8_t *aid) {
if (aid == NULL) return PM3_EINVARG;
if (aid == NULL) {
return PM3_EINVARG;
}
sAPDU apdu = {0x90, MFDES_DELETE_APPLICATION, 0x00, 0x00, 3, (uint8_t *)aid}; // 0xDA
uint16_t sw = 0;
uint32_t recvlen = 0;
@ -2240,7 +2255,7 @@ static int CmdHF14ADesCreateApp(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes createaid",
"Create Application ID",
"hf mfdes createaid -a 123456 -f 1111 -k 0E -l 2E -n Test"
"hf mfdes createaid -a 123456 -f 1111 -k 0E -l 2E --name Test"
);
void *argtable[] = {
@ -2249,7 +2264,7 @@ static int CmdHF14ADesCreateApp(const char *Cmd) {
arg_strx0("f", "fid", "<fid>", "File ID to create (optional)"),
arg_strx0("k", "ks1", "<keysetting1>", "Key Setting 1 (Application Master Key Settings)"),
arg_strx0("l", "ks2", "<keysetting2>", "Key Setting 2"),
arg_str0("n", "name", "<name>", "App ISO-4 Name (optional)"),
arg_str0(NULL, "name", "<name>", "App ISO-4 Name (optional)"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
@ -2347,9 +2362,20 @@ static int CmdHF14ADesCreateApp(const char *Cmd) {
aidhdr.keysetting1 = keysetting1[0];
aidhdr.keysetting2 = keysetting2[0];
if (usefid) memcpy(aidhdr.fid, fid, sizeof(fid));
if (usefid)
memcpy(aidhdr.fid, fid, sizeof(aidhdr.fid));
if (usename) memcpy(aidhdr.name, name, sizeof(name));
if (usename)
memcpy(aidhdr.name, name, sizeof(aidhdr.name));
PrintAndLogEx(INFO, "Creating AID using:");
PrintAndLogEx(INFO, "AID %s", sprint_hex_inrow(aidhdr.aid, sizeof(aidhdr.aid)));
PrintAndLogEx(INFO, "Key set1 0x%02X", aidhdr.keysetting1);
PrintAndLogEx(INFO, "Key Set2 0x%02X", aidhdr.keysetting2);
if (usefid)
PrintAndLogEx(INFO, "FID %s", sprint_hex_inrow(aidhdr.fid, sizeof(aidhdr.fid)));
if (usename)
PrintAndLogEx(INFO, "DF Name %s", aidhdr.name);
uint8_t rootaid[3] = {0x00, 0x00, 0x00};
int res = handler_desfire_select_application(rootaid);
@ -2397,7 +2423,10 @@ static int CmdHF14ADesDeleteApp(const char *Cmd) {
uint8_t rootaid[3] = {0x00, 0x00, 0x00};
int res = handler_desfire_select_application(rootaid);
if (res != PM3_SUCCESS) { DropField(); return res;}
if (res != PM3_SUCCESS) {
DropField();
return res;
}
res = handler_desfire_deleteapp(aid);
DropField();
if (res == PM3_SUCCESS) {