init

2026-06-26 00:30:13 +02:00
commit b27cd76ca8
122 changed files with 37290 additions and 0 deletions
@@ -0,0 +1,79 @@
+#include "meshcore.h"
+#include "lib/monocypher/monocypher-ed25519.h"
+#include "meshcore/packets/advert.h"
+#include "meshcore/packets/anonymous.h"
+#include "meshcore/packets/control.h"
+#include "meshcore/packets/encrypted.h"
+#include "meshcore/packets/group.h"
+#include "meshcore/stats.h"
+#include "lib/base64.h"
+#include "lib/cifra/aes.h"
+#include "lib/cifra/sha2.h"
+#include "lib/cifra/hmac.h"
+#include "lib/config.h"
+#include "meshframing.h"
+#include "meshcore/packetstructs.h"
+
+#define TAG "MeshCore"
+
+// requires at least a 256 byte data
+
+
+void processFrame (FrameStruct *frame) {
+    printframeHeader (frame);
+    if (frame->header & PAYLOAD_VERSION_3) {  // more than the version 0
+        MESH_LOGW (TAG, "Frame too new, got version %d instead of 0", (frame->header & PAYLOAD_VERSION_3) >> 6);
+    }
+
+    unsigned char frameType = frame->header & PAYLOAD_TYPE_MASK;
+
+    unsigned char index = 0;
+
+    stats.packetsReceivedCount++;
+
+    if ((frame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_FLOOD ||
+        (frame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_TRANSPORT_FLOOD) {
+        stats.receivedFloodCount++;
+    }
+
+    if ((frame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_DIRECT ||
+        (frame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_TRANSPORT_DIRECT) {
+        stats.receivedDirectCount++;
+    }
+
+
+    if (frameType == PAYLOAD_TYPE_ANON_REQ) {
+        decodeAnonReq (frame);
+
+    } else if (frameType == PAYLOAD_TYPE_PATH || frameType == PAYLOAD_TYPE_REQ || frameType == PAYLOAD_TYPE_RESPONSE || frameType == PAYLOAD_TYPE_TXT_MSG) {
+        iprintf ("  Typexd: 0x%02X\n", frameType);
+        decodeEncryptedPayload (frame);
+
+    } else if (frameType == PAYLOAD_TYPE_ACK) {
+        uint32_t checkSum = frame->payload[index++];
+        checkSum |= frame->payload[index++] << 8;
+        checkSum |= frame->payload[index++] << 16;
+        checkSum |= frame->payload[index++] << 24;
+        // TODO add checking
+
+    } else if (frameType == PAYLOAD_TYPE_ADVERT) {
+        decodeAdvertisement (frame);
+    } else if (frameType == PAYLOAD_TYPE_GRP_TXT || frameType == PAYLOAD_TYPE_GRP_DATA) {
+        decodeGroupMessage (frame);
+    } else if (frameType == PAYLOAD_TYPE_TRACE) {
+
+    } else if (frameType == PAYLOAD_TYPE_MULTIPART) {
+
+    } else if (frameType == PAYLOAD_TYPE_CONTROL) {
+        if (frame->path.pathLen == 0) {
+            decodeControlFrame (frame);
+        }
+        frame->header = 0xFF;
+
+    } else if (frameType == PAYLOAD_TYPE_RAW_CUSTOM) {
+        // not implemented
+    } else {
+        stats.packetsReceivedCount--;
+    }
+    MESH_LOGD (TAG, "Processed frame");
+}