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const for em4x50

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This commit is contained in:
Henry Gabryjelski 2023-08-08 23:03:34 -07:00
parent e973aebae6
commit 1a8ef489c8
3 changed files with 35 additions and 34 deletions
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16
armsrc/appmain.c
View file

@ -1154,27 +1154,27 @@ static void PacketReceived(PacketCommandNG *packet) {
#ifdef WITH_EM4x50
case CMD_LF_EM4X50_INFO: {
em4x50_info((em4x50_data_t *)packet->data.asBytes, true);
em4x50_info((const em4x50_data_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_WRITE: {
em4x50_write((em4x50_data_t *)packet->data.asBytes, true);
em4x50_write((const em4x50_data_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_WRITEPWD: {
em4x50_writepwd((em4x50_data_t *)packet->data.asBytes, true);
em4x50_writepwd((const em4x50_data_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_READ: {
em4x50_read((em4x50_data_t *)packet->data.asBytes, true);
em4x50_read((const em4x50_data_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_BRUTE: {
em4x50_brute((em4x50_data_t *)packet->data.asBytes, true);
em4x50_brute((const em4x50_data_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_LOGIN: {
em4x50_login((uint32_t *)packet->data.asBytes, true);
em4x50_login((const uint32_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_SIM: {
@ -1184,7 +1184,7 @@ static void PacketReceived(PacketCommandNG *packet) {
// destroy the Emulator Memory.
//-----------------------------------------------------------------------------
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
em4x50_sim((uint32_t *)packet->data.asBytes, true);
em4x50_sim((const uint32_t *)packet->data.asBytes, true);
break;
}
case CMD_LF_EM4X50_READER: {
@ -1208,7 +1208,7 @@ static void PacketReceived(PacketCommandNG *packet) {
// destroy the Emulator Memory.
//-----------------------------------------------------------------------------
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
em4x50_chk((uint8_t *)packet->data.asBytes, true);
em4x50_chk((const char *)packet->data.asBytes, true);
break;
}
#endif

34
armsrc/em4x50.c
View file

@ -634,7 +634,7 @@ static int login(uint32_t password) {
}
// searching for password using chosen bruteforce algorithm
static bool brute(em4x50_data_t *etd, uint32_t *pwd) {
static bool brute(const em4x50_data_t *etd, uint32_t *pwd) {
generator_context_t ctx;
bool pwd_found = false;
@ -694,7 +694,7 @@ static bool brute(em4x50_data_t *etd, uint32_t *pwd) {
}
// login into EM4x50
void em4x50_login(uint32_t *password, bool ledcontrol) {
void em4x50_login(const uint32_t *password, bool ledcontrol) {
em4x50_setup_read();
int status = PM3_EFAILED;
@ -713,7 +713,7 @@ void em4x50_login(uint32_t *password, bool ledcontrol) {
}
// invoke password search
void em4x50_brute(em4x50_data_t *etd, bool ledcontrol) {
void em4x50_brute(const em4x50_data_t *etd, bool ledcontrol) {
em4x50_setup_read();
bool bsuccess = false;
@ -733,7 +733,7 @@ void em4x50_brute(em4x50_data_t *etd, bool ledcontrol) {
}
// check passwords from dictionary content in flash memory
void em4x50_chk(uint8_t *filename, bool ledcontrol) {
void em4x50_chk(const char *filename, bool ledcontrol) {
int status = PM3_EFAILED;
uint32_t pwd = 0x0;
@ -743,11 +743,11 @@ void em4x50_chk(uint8_t *filename, bool ledcontrol) {
int changed = rdv40_spiffs_lazy_mount();
uint16_t pwd_count = 0;
uint32_t size = size_in_spiffs((char *)filename);
uint32_t size = size_in_spiffs(filename);
pwd_count = size / 4;
uint8_t *pwds = BigBuf_malloc(size);
rdv40_spiffs_read_as_filetype((char *)filename, pwds, size, RDV40_SPIFFS_SAFETY_SAFE);
rdv40_spiffs_read_as_filetype(filename, pwds, size, RDV40_SPIFFS_SAFETY_SAFE);
if (changed)
rdv40_spiffs_lazy_unmount();
@ -873,7 +873,7 @@ static int selective_read(uint32_t addresses, uint32_t *words) {
}
// reads by using "selective read mode" -> bidirectional communication
void em4x50_read(em4x50_data_t *etd, bool ledcontrol) {
void em4x50_read(const em4x50_data_t *etd, bool ledcontrol) {
int status = PM3_EFAILED;
uint32_t words[EM4X50_NO_WORDS] = {0x0};
@ -906,7 +906,7 @@ void em4x50_read(em4x50_data_t *etd, bool ledcontrol) {
}
// collects as much information as possible via selective read mode
void em4x50_info(em4x50_data_t *etd, bool ledcontrol) {
void em4x50_info(const em4x50_data_t *etd, bool ledcontrol) {
int status = PM3_EFAILED;
uint32_t words[EM4X50_NO_WORDS] = {0x0};
@ -1053,7 +1053,7 @@ static int write_password(uint32_t password, uint32_t new_password) {
// write operation process for EM4x50 tag,
// single word is written to given address, verified by selective read operation
// wrong password -> return with PM3_EFAILED
void em4x50_write(em4x50_data_t *etd, bool ledcontrol) {
void em4x50_write(const em4x50_data_t *etd, bool ledcontrol) {
int status = PM3_EFAILED;
uint32_t words[EM4X50_NO_WORDS] = {0x0};
@ -1113,7 +1113,7 @@ void em4x50_write(em4x50_data_t *etd, bool ledcontrol) {
}
// simple change of password
void em4x50_writepwd(em4x50_data_t *etd, bool ledcontrol) {
void em4x50_writepwd(const em4x50_data_t *etd, bool ledcontrol) {
int status = PM3_EFAILED;
em4x50_setup_read();
@ -1358,7 +1358,7 @@ static bool em4x50_sim_read_word(uint32_t *word) {
}
// check if reader requests receive mode (rm) by sending two zeros
static int check_rm_request(uint32_t *tag, bool ledcontrol) {
static int check_rm_request(const uint32_t *tag, bool ledcontrol) {
// look for first zero
int bit = em4x50_sim_read_bit();
@ -1387,7 +1387,7 @@ static int check_rm_request(uint32_t *tag, bool ledcontrol) {
}
// send single listen window in simulation mode
static int em4x50_sim_send_listen_window(uint32_t *tag, bool ledcontrol) {
static int em4x50_sim_send_listen_window(const uint32_t *tag, bool ledcontrol) {
SHORT_COIL();
wait_cycles(EM4X50_T_TAG_HALF_PERIOD);
@ -1460,7 +1460,7 @@ static void em4x50_sim_send_nak(void) {
}
// standard read mode process (simulation mode)
static int em4x50_sim_handle_standard_read_command(uint32_t *tag, bool ledcontrol) {
static int em4x50_sim_handle_standard_read_command(const uint32_t *tag, bool ledcontrol) {
// extract control data
int fwr = reflect32(tag[EM4X50_CONTROL]) & 0xFF; // first word read
@ -1500,7 +1500,7 @@ static int em4x50_sim_handle_standard_read_command(uint32_t *tag, bool ledcontro
}
// selective read mode process (simulation mode)
static int em4x50_sim_handle_selective_read_command(uint32_t *tag, bool ledcontrol) {
static int em4x50_sim_handle_selective_read_command(const uint32_t *tag, bool ledcontrol) {
// read password
uint32_t address = 0;
@ -1555,7 +1555,7 @@ static int em4x50_sim_handle_selective_read_command(uint32_t *tag, bool ledcontr
}
// login process (simulation mode)
static int em4x50_sim_handle_login_command(uint32_t *tag, bool ledcontrol) {
static int em4x50_sim_handle_login_command(const uint32_t *tag, bool ledcontrol) {
// read password
uint32_t password = 0;
@ -1581,7 +1581,7 @@ static int em4x50_sim_handle_login_command(uint32_t *tag, bool ledcontrol) {
}
// reset process (simulation mode)
static int em4x50_sim_handle_reset_command(uint32_t *tag, bool ledcontrol) {
static int em4x50_sim_handle_reset_command(const uint32_t *tag, bool ledcontrol) {
// processing pause time (corresponds to a "1" bit)
em4x50_sim_send_bit(1);
@ -1806,7 +1806,7 @@ void em4x50_handle_commands(int *command, uint32_t *tag, bool ledcontrol) {
// simulate uploaded data in emulator memory
// LED C -> reader command has been detected
// LED D -> operations that require authentication are possible
void em4x50_sim(uint32_t *password, bool ledcontrol) {
void em4x50_sim(const uint32_t *password, bool ledcontrol) {
int command = PM3_ENODATA;

19
armsrc/em4x50.h
View file

@ -21,20 +21,21 @@
#include "../include/em4x50.h"
// used by standalone mode
void em4x50_setup_read(void);
int standard_read(int *now, uint32_t *words);
void em4x50_setup_sim(void);
void em4x50_handle_commands(int *command, uint32_t *tag, bool ledcontrol);
void em4x50_info(em4x50_data_t *etd, bool ledcontrol);
void em4x50_write(em4x50_data_t *etd, bool ledcontrol);
void em4x50_writepwd(em4x50_data_t *etd, bool ledcontrol);
void em4x50_read(em4x50_data_t *etd, bool ledcontrol);
void em4x50_brute(em4x50_data_t *etd, bool ledcontrol);
void em4x50_login(uint32_t *password, bool ledcontrol);
void em4x50_sim(uint32_t *password, bool ledcontrol);
// dispatch functions (appmain.c)
void em4x50_info(const em4x50_data_t *etd, bool ledcontrol);
void em4x50_write(const em4x50_data_t *etd, bool ledcontrol);
void em4x50_writepwd(const em4x50_data_t *etd, bool ledcontrol);
void em4x50_read(const em4x50_data_t *etd, bool ledcontrol);
void em4x50_brute(const em4x50_data_t *etd, bool ledcontrol);
void em4x50_login(const uint32_t *password, bool ledcontrol);
void em4x50_sim(const uint32_t *password, bool ledcontrol);
void em4x50_reader(bool ledcontrol);
void em4x50_chk(uint8_t *filename, bool ledcontrol);
void em4x50_chk(const char *filename, bool ledcontrol);
#endif /* EM4X50_H */