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payload-dumper-rust

★ 95 Open GitHub ↗

A cross platform CLI to dump Android OTA payload from URLs and Local files

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# payload-dumper-rust 🦀

A fast and efficient Android OTA payload dumper.

## What it does

Extracts partition images (boot, system, vendor, etc.) from Android OTA `payload.bin` files.

## This has these features

- **Parallel extraction** - Uses all CPU cores for faster extraction
- **Works with ZIP files** - Extract directly from ROM ZIPs without unzipping first
- **URL support** - Extract from remote URLs, downloading only the needed data instead of the entire file
- **Cross-platform** - Works on Linux, Windows, macOS, and Android (Termux)
- **Incremental OTA** - Experimental Incremental OTA Support (ONLY ZUCCHINI OPS IS NOT SUPPORTED YET)

## Installation

### Quick Install

**Linux / macOS / Termux:**
```bash
bash <(curl -sSL "https://raw.githubusercontent.com/rhythmcache/payload-dumper-rust/main/scripts/install.sh")
```

**Windows (PowerShell):**
```powershell
powershell -NoExit -ExecutionPolicy Bypass -Command "Invoke-RestMethod -Uri 'https://raw.githubusercontent.com/rhythmcache/payload-dumper-rust/main/scripts/install.ps1' | Invoke-Expression"
```

### Pre-built Binaries

Download from [releases](https://github.com/rhythmcache/payload-dumper-rust/releases).

### Build from Source

```bash
cargo install payload_dumper
```

Or:
```bash
git clone https://github.com/rhythmcache/payload-dumper-rust
cd payload-dumper-rust
cargo build --release
```

## Usage

### Basic Examples

**Extract from payload.bin:**
```bash
payload_dumper payload.bin -o output
```

**Extract from ROM ZIP** (no unzipping required):
```bash
payload_dumper rom.zip -o output
```

**Extract from URL** (downloads only required data):
```bash
payload_dumper https://example.com/ota.zip -o output
```

**Extract specific partitions:**
```bash
payload_dumper payload.bin -i boot,vendor_boot -o output
```

**Extract Incremental OTA:**
- To extract an incremental OTA, create a directory named `old` in the current working directory and copy all images from the previous build into it.
- If the old images are located elsewhere, specify their location using the `--source-dir <PATH>` argument.

**List partitions without extracting:**
```bash
payload_dumper payload.bin --list
```

### Advanced Options

**URL extraction with prefetch** (better for slow connections):
```bash
payload_dumper https://example.com/ota.zip --prefetch -o output
```

**Custom thread count:**
```bash
payload_dumper payload.bin -t 8 -o output
```

**Export metadata as JSON:**
```bash
payload_dumper payload.bin --metadata -o output
# Creates output/payload_metadata.json
```

**Full metadata with operation details:**
```bash
payload_dumper payload.bin --metadata=full -o output
```

**Skip verification** (faster but not recommended):
```bash
payload_dumper payload.bin --no-verify -o output
```

### All Options

```
Usage: payload_dumper [OPTIONS] <PAYLOAD_PATH>

Arguments:
  <PAYLOAD_PATH>  Path to payload.bin, ROM ZIP, or URL

Options:
  -o, --out <OUT>              Output directory [default: output]
  -U, --user-agent <AGENT>     Custom User-Agent for HTTP requests
  -C, --cookies <COOKIES>      Custom HTTP Cookie header value for remote requests
      --dns <DNS>              Custom DNS servers (comma-separated IPs)
  -i, --images <IMAGES>        Comma-separated partition names to extract
  -t, --threads <THREADS>      Number of threads for parallel processing
  -l, --list                   List available partitions
  -m, --metadata[=<MODE>]      Save metadata as JSON (compact or full)
  -P, --no-parallel            Disable parallel extraction
  -n, --no-verify              Skip hash verification
      --prefetch               Download all data first (for remote URLs)
  -q, --quiet                  Suppress all non-essential output (errors will still be shown)
  -h, --help                   Show help
  -V, --version                Show version
```

## Why extract from URLs?

Instead of downloading a 3GB OTA file to extract a 50MB boot image, this tool downloads only ~50-100MB of required data.

Useful for:
- Quick partition extraction without full downloads
- CI/CD pipelines
- Bandwidth-limited connections

## Build

To build manually, you will need:
- [Rust compiler and Cargo](https://rust-lang.org/tools/install/)
- Basic command-line knowledge
- A bit of patience

### 1. Clone the repository
```bash
git clone --depth 1 https://github.com/rhythmcache/payload-dumper-rust.git
cd payload-dumper-rust
```

### 2. Default build (recommended for most users)
```bash
cargo build --release
```

This builds the binary with:
- Local `.bin` and `.zip` support
- Remote HTTP/HTTPS support
- Prefetch mode
- Metadata support

---

## Feature-based builds

Payload Dumper is modular. You can disable features you do not need to:
- Reduce compile time
- Reduce binary size
- Avoid unnecessary dependencies

### Local files only (fastest build, smallest binary)
If you only need local payload files and no network support:

```bash
cargo build --release --no-default-features
```

This:
- Disables all HTTP/network code
- Removes `reqwest`, DNS, and TLS dependencies
- Compiles much faster
- Produces a significantly smaller binary

---

### Enable remote (HTTP/HTTPS) support
To work with remote URLs:

```bash
cargo build --release --features remote_zip
```

---

### Static binaries and DNS notes

When building a fully static binary (for example with `musl`), DNS resolution may fail
because system libc DNS resolvers are unavailable.

#### Use the built-in DNS resolver
```bash
cargo build --release --features hickory_dns
```

This enables:
- Built-in DNS resolution via `hickory-resolver`
- No dependency on system libc DNS
- Reliable behavior in fully static environments

By default, the resolver uses **Cloudflare DNS (1.1.1.1)**.
#### Override DNS server at runtime
The DNS server is selected **at runtime**.

You can override it in two ways:

**1. Using environment variable**
```bash
export PAYLOAD_DUMPER_CUSTOM_DNS=8.8.8.8,4.4.4.4
./payload_dumper <PAYLOAD>
```

**2. Using CLI flag (`--dns`)**
```bash
./payload_dumper --dns 8.8.8.8,4.4.4.4 <PAYLOAD>
```

> If both are provided, the `--dns` flag takes precedence.
---
If you are unsure, use the default build.

## Troubleshooting

**"Server doesn't support range requests"**  
Download the file first, then extract locally.

**Out of memory errors**  
Use `--no-parallel` or reduce thread count with `-t`.

**Slow extraction**  
Remove `--no-parallel` if set. For remote extraction, try `--prefetch`.

## Credits

Inspired by [vm03/payload_dumper](https://github.com/vm03/payload_dumper)

## License

[Apache-2.0](./LICENSE)

payload-dumper-rust

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