convert from OLD to NG

armsrc/appmain.c

@@ -2215,41 +2215,39 @@ static void PacketReceived(PacketCommandNG *packet) {
         }
         case CMD_FLASHMEM_WRITE: {
             LED_B_ON();
-            uint8_t isok = 0;
-            uint16_t res = 0;
-            uint32_t startidx = packet->oldarg[0];
-            uint16_t len = packet->oldarg[1];
-            uint8_t *data = packet->data.asBytes;
 
-            if (!FlashInit()) {
+            flashmem_old_write_t *payload = (flashmem_old_write_t *)packet->data.asBytes;
+
+            if (FlashInit() == false) {
+                reply_ng(CMD_FLASHMEM_WRITE, PM3_EIO, NULL, 0);
+                LED_B_OFF();
                 break;
             }
 
-            if (startidx == DEFAULT_T55XX_KEYS_OFFSET) {
+            if (payload->startidx == DEFAULT_T55XX_KEYS_OFFSET) {
                 Flash_CheckBusy(BUSY_TIMEOUT);
                 Flash_WriteEnable();
                 Flash_Erase4k(3, 0xC);
-            } else if (startidx ==  DEFAULT_MF_KEYS_OFFSET) {
+            } else if (payload->startidx ==  DEFAULT_MF_KEYS_OFFSET) {
                 Flash_CheckBusy(BUSY_TIMEOUT);
                 Flash_WriteEnable();
                 Flash_Erase4k(3, 0x9);
                 Flash_CheckBusy(BUSY_TIMEOUT);
                 Flash_WriteEnable();
                 Flash_Erase4k(3, 0xA);
-            } else if (startidx == DEFAULT_ICLASS_KEYS_OFFSET) {
+            } else if (payload->startidx == DEFAULT_ICLASS_KEYS_OFFSET) {
                 Flash_CheckBusy(BUSY_TIMEOUT);
                 Flash_WriteEnable();
                 Flash_Erase4k(3, 0xB);
-            } else if (startidx == FLASH_MEM_SIGNATURE_OFFSET) {
+            } else if (payload->startidx == FLASH_MEM_SIGNATURE_OFFSET) {
                 Flash_CheckBusy(BUSY_TIMEOUT);
                 Flash_WriteEnable();
                 Flash_Erase4k(3, 0xF);
             }
 
-            res = Flash_Write(startidx, data, len);
+            uint16_t res = Flash_Write(payload->startidx, payload->data, payload->len);
-            isok = (res == len) ? 1 : 0;
 
-            reply_mix(CMD_ACK, isok, 0, 0, 0, 0);
+            reply_ng(CMD_FLASHMEM_WRITE, (res == payload->len) ? PM3_SUCCESS : PM3_ESOFT, NULL, 0);
             LED_B_OFF();
             break;
         }

client/src/cmdflashmem.c

@@ -90,21 +90,27 @@ int rdv4_validate(rdv40_validation_t *mem) {
 }
 
 static int rdv4_sign_write(uint8_t *signature, uint8_t slen) {
-    // save to mem
+    flashmem_old_write_t payload = {
+        .startidx = FLASH_MEM_SIGNATURE_OFFSET,
+        .len = FLASH_MEM_SIGNATURE_LEN,
+    };
+    memcpy(payload.data, signature, slen);
+
     clearCommandBuffer();
     PacketResponseNG resp;
-    SendCommandOLD(CMD_FLASHMEM_WRITE, FLASH_MEM_SIGNATURE_OFFSET, FLASH_MEM_SIGNATURE_LEN, 0, signature, slen);
+    SendCommandNG(CMD_FLASHMEM_WRITE, (uint8_t*)&payload, sizeof(payload));
-    if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
+
-        PrintAndLogEx(WARNING, "timeout while waiting for reply.");
+    if (WaitForResponseTimeout(CMD_FLASHMEM_WRITE, &resp, 2000) == false) {
+        PrintAndLogEx(WARNING, "timeout while waiting for reply");
+        return PM3_EFAILED;
     } else {
-        if (!resp.oldarg[0]) {
+        if (resp.status != PM3_SUCCESS) {
             PrintAndLogEx(FAILED, "Writing signature ( "_RED_("fail") ")");
-        } else {
+            return PM3_EFAILED;
+        } 
+    }
     PrintAndLogEx(SUCCESS, "Writing signature at offset %u ( "_GREEN_("ok") " )", FLASH_MEM_SIGNATURE_OFFSET);
     return PM3_SUCCESS;
-        }
-    }
-    return PM3_EFAILED;
 }
 
 static int CmdFlashmemSpiBaud(const char *Cmd) {
@@ -265,6 +271,7 @@ static int CmdFlashMemLoad(const char *Cmd) {
     uint32_t bytes_sent = 0;
     uint32_t bytes_remaining = datalen;
 
+    
     // fast push mode
     conn.block_after_ACK = true;
 
@@ -273,23 +280,28 @@ static int CmdFlashMemLoad(const char *Cmd) {
 
         clearCommandBuffer();
 
-        SendCommandOLD(CMD_FLASHMEM_WRITE, offset + bytes_sent, bytes_in_packet, 0, data + bytes_sent, bytes_in_packet);
+        flashmem_old_write_t payload = {
+            .startidx = offset + bytes_sent,
+            .len = bytes_in_packet,
+        };
+        memcpy(payload.data,  data + bytes_sent, bytes_in_packet);
+        SendCommandNG(CMD_FLASHMEM_WRITE, (uint8_t*)&payload, sizeof(payload));
 
         bytes_remaining -= bytes_in_packet;
         bytes_sent += bytes_in_packet;
 
         PacketResponseNG resp;
-        if (WaitForResponseTimeout(CMD_ACK, &resp, 2000) == false) {
+        if (WaitForResponseTimeout(CMD_FLASHMEM_WRITE, &resp, 2000) == false) {
             PrintAndLogEx(WARNING, "timeout while waiting for reply.");
             conn.block_after_ACK = false;
             free(data);
             return PM3_ETIMEOUT;
         }
 
-        uint8_t isok  = resp.oldarg[0] & 0xFF;
+        if (resp.status != PM3_SUCCESS) {
-        if (!isok) {
             conn.block_after_ACK = false;
             PrintAndLogEx(FAILED, "Flash write fail [offset %u]", bytes_sent);
+            free(data);
             return PM3_EFLASH;
         }
     }

include/pm3_cmd.h

@@ -393,6 +393,14 @@ typedef struct {
     uint8_t data[];
 } PACKED flashmem_write_t;
 
+// when CMD_FLASHMEM_WRITE old flashmem commands
+typedef struct {
+    uint32_t startidx;
+    uint16_t len;
+    uint8_t data[PM3_CMD_DATA_SIZE - sizeof(uint32_t) - sizeof(uint16_t)];
+} PACKED flashmem_old_write_t;
+
+
 //-----------------------------------------------------------------------------
 // ISO 7618  Smart Card
 //-----------------------------------------------------------------------------