Script - Zxdl

The ZXDL (ZTE Data Language) script is a proprietary command-line scripting language developed by ZTE Corporation, a major global telecommunications equipment provider. ZXDL is primarily utilized for the configuration, provisioning, maintenance, and diagnostics of ZTE optical line terminals (OLTs), such as the ZXA10 C-series, and broadband remote access servers (BRAS). This report details the syntax, operational context, common use cases, and security considerations of ZXDL scripting.

Advantages:

Limitations:

When dealing with scripts, especially those that interact with the internet like zxdl scripts, it's essential to be cautious:

If you are looking for a script to automate the configuration of a ZTE ZXDSL modem (e.g., setting up PPPoE, changing WiFi settings, or rebooting), Python with the telnetlib library is the standard method. These modems often use Telnet for backend management. zxdl script

Here is a full script example to log in and execute commands:

import telnetlib
import time
def configure_zxdsl_modem(host, username, password, commands):
    """
    Connects to a ZXDSL modem via Telnet and executes a list of commands.
    """
    try:
        # Connect to the modem
        print(f"Connecting to host...")
        tn = telnetlib.Telnet(host, timeout=10)
# Login sequence
        tn.read_until(b"Login: ", timeout=5)
        tn.write(username.encode('ascii') + b"\n")
tn.read_until(b"Password: ", timeout=5)
        tn.write(password.encode('ascii') + b"\n")
# Wait for the prompt (common ZTE prompts are # or >)
        time.sleep(2)
print("Logged in successfully. Executing commands...")
# Execute commands
        for cmd in commands:
            print(f"Executing: cmd")
            tn.write(cmd.encode('ascii') + b"\n")
            time.sleep(1) # Wait for command to process
# Exit session
        tn.write(b"exit\n")
        output = tn.read_all().decode('ascii')
        print("Configuration complete.")
        print("--- Output ---")
        print(output)
except Exception as e:
        print(f"Error: e")
# --- USAGE ---
# Default ZXDSL credentials are often admin/admin or admin/1234
modem_ip = "192.168.1.1" # Default gateway
user = "admin"
pwd = "admin"
# List of CLI commands to run (varies by firmware version)
# Examples for ZXDSL 831II:
command_list = [
    "wan show",          # Show WAN status
    "lan show",          # Show LAN status
    "reboot",            # Reboot the device (use with caution)
    # "save"             # Save configuration (if required by model)
]
if __name__ == "__main__":
    configure_zxdsl_modem(modem_ip, user, pwd, command_list)

#!/usr/bin/env bash
set -euo pipefail
# Defaults
CONCURRENCY=4
CHUNK_SIZE=$((8*1024*1024)) # 8MB
OUTFILE=""
RETRIES=5
BACKOFF_BASE=1
usage() cat <<USAGE
Usage: $0 <file-id-or-url> [--concurrency N] [--chunk-size SIZE] [--out FILE]
USAGE
exit 2
# parse args (simple)
if [ $# -lt 1 ]; then usage; fi
TARGET="$1"; shift || true
while [ $# -gt 0 ]; do
  case "$1" in
    --concurrency) CONCURRENCY="$2"; shift 2;;
    --chunk-size) CHUNK_SIZE_STR="$2"; shift 2;;
    --out) OUTFILE="$2"; shift 2;;
    *) echo "Unknown: $1"; usage;;
  esac
done
# parse human-readable chunk size (e.g., 8M, 1G)
parse_size()g) echo $((num*1024*1024*1024));;
      *) echo "$num";;
    esac
  else
    echo "$s"
  fi
if [ -n "$CHUNK_SIZE_STR-" ]; then
  CHUNK_SIZE=$(parse_size "$CHUNK_SIZE_STR")
fi
# Resolve API URL and metadata
# Accept either full URL or file-id; adapt to ZX API pattern
if [[ "$TARGET" =~ ^https?:// ]]; then
  API_URL="$TARGET"
else
  API_URL="https://zx.example/api/files/$TARGET"
fi
tmpdir=$(mktemp -d)
trap 'rm -rf "$tmpdir"' EXIT
meta_json="$tmpdir/meta.json"
curl -sSf "$API_URL" -o "$meta_json"
# Expect JSON with: filename, size, sha256, chunk_count (optional)
FILENAME=$(jq -r '.filename // empty' "$meta_json")
FILESIZE=$(jq -r '.size // empty' "$meta_json")
SHA256=$(jq -r '.sha256 // empty' "$meta_json")
if [ -z "$FILENAME" ] || [ -z "$FILESIZE" ]; then
  echo "API response missing filename or size" >&2; exit 1
fi
OUTFILE=$OUTFILE:-$FILENAME
# Compute chunk ranges
num_chunks=$(( (FILESIZE + CHUNK_SIZE - 1) / CHUNK_SIZE ))
echo "Downloading $OUTFILE ($FILESIZE bytes) in $num_chunks chunks..."
chunk_url_base=$(jq -r '.chunk_url_template // empty' "$meta_json")
# if API gives template like: https://.../files/id/chunks/n
if [ -z "$chunk_url_base" ]; then
  # default: API_URL/chunks/<index>
  chunk_url_base="$API_URL%//chunks"
fi
# worker function
download_chunk()
  local idx=$1
  local start=$(( idx * CHUNK_SIZE ))
  local end=$(( start + CHUNK_SIZE - 1 ))
  if [ $end -gt $((FILESIZE - 1)) ]; then end=$((FILESIZE - 1)); fi
  local out="$tmpdir/chunk.$idx"
  local url="$chunk_url_base/\n\/$idx"
  for attempt in $(seq 1 $RETRIES); do
    if curl -sSf -H "Range: bytes=$start-$end" "$url" -o "$out.part"; then
      mv "$out.part" "$out"
      return 0
    fi
    sleep $(( BACKOFF_BASE * attempt ))
  done
  return 1
export -f download_chunk
export CHUNK_SIZE FILESIZE RETRIES BACKOFF_BASE tmpdir chunk_url_base
# Parallel download loop
seq 0 $((num_chunks - 1)) | xargs -n1 -P "$CONCURRENCY" -I{} bash -c 'download_chunk "$@"' _ {}
# Verify all chunks present
for i in $(seq 0 $((num_chunks - 1))); do
  [ -f "$tmpdir/chunk.$i" ] ||  echo "Missing chunk $i"; exit 1; 
done
# Assemble
cat $(for i in $(seq 0 $((num_chunks - 1))); do printf "%s/chunk.%d " "$tmpdir" "$i"; done) > "$tmpdir/assembled"
# Optional integrity check
if [ -n "$SHA256" ] && command -v sha256sum >/dev/null 2>&1; then
  got=$(sha256sum "$tmpdir/assembled" | awk 'print $1')
  if [ "$got" != "$SHA256" ]; then
    echo "SHA256 mismatch: expected $SHA256 got $got" >&2; exit 1
  fi
fi
# Move atomically
mv "$tmpdir/assembled" "$OUTFILE"
echo "Saved to $OUTFILE"

To truly master the ZXDL script, one must understand its execution flow. Most ZXDL interpreters (custom binaries or Python scripts) follow this lifecycle: The ZXDL (ZTE Data Language) script is a

Batch processing loops over arrays or line-based inputs:

FOR EACH $line IN FILE("data.txt")
  PROCESS $line
ENDFOR