Initial remote commit

test/cc.sh

@@ -0,0 +1,71 @@
+python3 -c "
+CHUNK_B = 128*512
+LV_START = 5120000*512
+VIRT_SIZE = 9365766144*512
+
+def read_virt(offset, length):
+    result = bytearray(length)
+    pos = offset
+    remaining = length
+    with open('/dev/md0','rb') as f:
+        while remaining > 0:
+            group     = pos // (5*CHUNK_B)
+            in_group  = pos % (5*CHUNK_B)
+            chunk_idx = in_group // CHUNK_B
+            intra     = in_group % CHUNK_B
+            seg_len   = min(CHUNK_B-intra, remaining)
+            dst_off   = pos - offset
+            if chunk_idx != 4:
+                phys = LV_START + group*4*CHUNK_B + chunk_idx*CHUNK_B + intra
+                f.seek(phys)
+                data = f.read(seg_len)
+                result[dst_off:dst_off+len(data)] = data
+            pos += seg_len
+            remaining -= seg_len
+    return bytes(result)
+
+targets = [
+    b'pterodactyl',
+    b'wings_token', 
+    b'server.properties',
+    b'level.dat',
+    b'bukkit.yml',
+    b'eula.txt',
+    b'server_id',
+]
+
+print('Scanning...')
+chunk = 64*1024*1024
+offset = 0
+hits = {}
+
+while offset < VIRT_SIZE:
+    try:
+        data = read_virt(offset, min(chunk, VIRT_SIZE-offset))
+    except:
+        offset += chunk
+        continue
+    
+    for target in targets:
+        pos = 0
+        while True:
+            idx = data.find(target, pos)
+            if idx < 0: break
+            abs_byte = offset + idx
+            t = target.decode()
+            if t not in hits:
+                hits[t] = []
+            hits[t].append(abs_byte)
+            pos = idx + 1
+    
+    offset += chunk
+    if offset % (10*1024*1024*1024) == 0:
+        print(f'--- {offset//1024**3}GB scanned ---', flush=True)
+
+print()
+print('=== RESULTS ===')
+for target, locations in hits.items():
+    print(f'{target}: {len(locations)} hits')
+    for loc in locations[:5]:
+        print(f'  byte {loc} sector {loc//512}')
+" 2>&1 | tee /tmp/ptero_scan.txt