Add UTF-8 support, Password Reset Utility and Environment Diagnostics

read_dmesg.py

@@ -30,17 +30,17 @@
 
 gw.run_cmd("rm -f " + fn_remote)
 
-with open(fn_local, "r") as file:
+with open(fn_local, "r", encoding="utf-8", errors="replace") as file:
   data = file.read()
-with open(fn_local, "w") as file:
+with open(fn_local, "w", encoding="utf-8") as file:
   file.write(data)
 
 print("Kernel logs written to file {}".format(fn_local))
 
 fn_old    = 'outdir/syslog_old.txt'
 fn_local  = 'outdir/syslog.txt'
 fn_remote = '/tmp/syslog.txt'
-if os.path.exists(fn_local): 
+if os.path.exists(fn_local):
   if os.path.exists(fn_old):
     os.remove(fn_old)
   os.rename(fn_local, fn_old)
@@ -50,9 +50,9 @@
 gw.download(fn_remote, fn_local)
 gw.run_cmd("rm -f " + fn_remote)
 
-with open(fn_local, "r") as file:
+with open(fn_local, "r", encoding="utf-8", errors="replace") as file:
   data = file.read()
-with open(fn_local, "w") as file:
+with open(fn_local, "w", encoding="utf-8") as file:
   file.write(data)
 
-print("System logs are written to a file {}".format(fn_local))
+print("System logs are written to a file {}".format(fn_local))

reset_password.py

@@ -0,0 +1,115 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Script to reset a forgotten root password (SSH/TELNET).
+Attempts to connect via SSH (if password is saved in config) or via TELNET,
+then sets a new password.
+
+Usage:
+  ./run.sh reset_password.py [new_password]
+  ./run.sh reset_password.py --ip 192.168.31.1 new_password
+
+Requirements:
+  - The device must be on the same network
+  - Either SSH (with known password) OR TELNET (usually password "root") must be accessible
+"""
+
+import sys
+import time
+
+import xmir_base
+import gateway
+from gateway import die
+
+
+def reset_password_via_gateway(gw, new_passw):
+    """Resets the password using an already connected gateway (SSH or TELNET)."""
+    gw.run_cmd('echo -e "{new_passw}\\n{new_passw}" | passwd root'.format(new_passw=new_passw))
+    time.sleep(0.5)
+    if gw.use_ssh:
+        gw.ssh_close()
+    else:
+        gw.shutdown()
+    if gw.check_ssh(gw.ip_addr, gw.ssh_port, new_passw) != 0:
+        die('Failed to verify the new password via SSH')
+    gw.passw = new_passw
+    print("Root password successfully changed.")
+
+
+def main():
+    if len(sys.argv) > 1 and sys.argv[1] == '--ip':
+        if len(sys.argv) < 4:
+            die("Usage: reset_password.py --ip <IP> <new_password>")
+        ip_addr = sys.argv[2]
+        new_passw = sys.argv[3]
+    elif len(sys.argv) > 1:
+        new_passw = sys.argv[1]
+        ip_addr = None
+    else:
+        new_passw = input("Enter new password for root user: ")
+        ip_addr = None
+
+    new_passw = new_passw.strip()
+    if len(new_passw) == 0:
+        die('Password cannot be empty!')
+
+    # Create gateway without automatic SSH detection
+    gw = gateway.Gateway(detect_ssh=False)
+
+    if ip_addr:
+        gw.ip_addr = ip_addr
+        print("Using IP: {}".format(ip_addr))
+
+    if gw.status < 1:
+        gw.detect_device()
+    if gw.status < 1:
+        die("Xiaomi device not found (IP: {})".format(gw.ip_addr))
+
+    print("Device: {}".format(gw.device_name))
+    print("IP: {}  SSH port: {}".format(gw.ip_addr, gw.ssh_port))
+
+    # 1. Try SSH with saved password (if present in memcfg)
+    if gw.passw:
+        ret = gw.check_ssh(gw.ip_addr, gw.ssh_port, gw.passw)
+        if ret >= 0:
+            print("SSH connection with saved password — OK")
+            gw.use_ssh = True
+            reset_password_via_gateway(gw, new_passw)
+            return
+
+    # 2. Try TELNET (password is usually "root" after unlock)
+    if not gw.check_telnet(timeout=3):
+        die("Neither SSH (with known password) nor TELNET is accessible.\n"
+            "Ensure TELNET is enabled on the device (telnet_en=1).")
+
+    print("TELNET detected. Attempting to connect...")
+
+    telnet_passwords = ['root']
+    if gw.passw and gw.passw != 'root':
+        telnet_passwords.insert(0, gw.passw)
+    if gw.xqpassword and gw.xqpassword not in telnet_passwords:
+        telnet_passwords.append(gw.xqpassword)
+
+    tn = None
+    used_passw = None
+    for psw in telnet_passwords:
+        tn = gw.get_telnet(verbose=0, password=psw)
+        if tn:
+            used_passw = psw
+            break
+
+    if not tn:
+        die("Failed to connect via TELNET.\n"
+            "Tried passwords: " + ", ".join(repr(p) for p in telnet_passwords) +
+            "\nTry the default password: root")
+
+    print("TELNET connection — OK (password: {})".format(repr(used_passw)))
+    gw.use_ssh = False
+    gw.passw = used_passw
+    gw.ping(verbose=0)
+
+    reset_password_via_gateway(gw, new_passw)
+
+
+if __name__ == "__main__":
+    main()

test.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+XMiR Patcher environment diagnostic test.
+Checks imports, configuration, and device availability.
+"""
+
+import sys
+
+def main():
+    print("=" * 50)
+    print("XMiR Patcher — Environment Diagnostic")
+    print("=" * 50)
+
+    # 1. Import tests
+    print("\n[1] Imports...")
+    try:
+        import xmir_base
+        print("    xmir_base — OK")
+    except Exception as e:
+        print("    xmir_base — ERROR:", e)
+        return 1
+
+    try:
+        import gateway
+        print("    gateway — OK")
+    except Exception as e:
+        print("    gateway — ERROR:", e)
+        return 1
+
+    try:
+        import xqmodel
+        print("    xqmodel — OK")
+    except Exception as e:
+        print("    xqmodel — ERROR:", e)
+        return 1
+
+    try:
+        import read_info
+        print("    read_info — OK")
+    except Exception as e:
+        print("    read_info — ERROR:", e)
+
+    # 2. Configuration
+    print("\n[2] Configuration...")
+    try:
+        gw = gateway.Gateway(detect_device=False, detect_ssh=False)
+        print("    Device IP: {}".format(gw.ip_addr))
+        print("    SSH port: {}".format(gw.ssh_port))
+        if gw.passw:
+            print("    Password (memcfg): saved")
+        else:
+            print("    Password (memcfg): not set")
+    except PermissionError as e:
+        print("    Shared memory error (possibly sandboxed): {}".format(e))
+        gw = None
+    except Exception as e:
+        print("    Initialization error: {}".format(e))
+        gw = None
+
+    # 3. Device detection (without SSH)
+    print("\n[3] Device detection...")
+    if gw:
+        try:
+            gw.detect_device()
+            if gw.status >= 1:
+                print("    Device found: {}".format(gw.device_name))
+                print("    ROM: {} {}".format(gw.rom_version or "?", gw.rom_channel or ""))
+            else:
+                print("    Device not found (IP: {})".format(gw.ip_addr))
+        except SystemExit:
+            print("    Device unavailable or requires initial setup via WEB UI")
+        except Exception as e:
+            print("    Error: {}".format(e))
+    else:
+        print("    Skipped (Gateway not initialized)")
+
+    # 4. Supported models
+    print("\n[4] Known models (examples): R3G, R3P, RM2100, R4A, WR30...")
+    print("    Total in xqmodel: {} models".format(len(xqmodel.xqModelList)))
+
+    # 5. Unsupported models
+    print("\n[5] Unsupported features:")
+    print("    BE3600, BE2600 2.5G and other Wi-Fi 7 (BE-series) routers:")
+    print("    — Reason: use Qualcomm IPQ (ARM), not MediaTek MT7621 (MIPS)")
+    print("    — Breed bootloader and certain features are designed only for MIPS")
+    print("    — Supported models: R3G, R3P, RM2100")
+
+    print("\n" + "=" * 50)
+    print("Diagnostic completed.")
+    print("=" * 50)
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())