rcheat

Get/modify simple variable's value in another Linux running process

1. Dependencies

• cargo >= 1.74
• rustc >= 1.74

If your Linux package management(e.g. apt, yum) cannot provide the sufficient conditions for the dependencies, download a pkg form here

As a developer, use rustup manage rust enviroment is suitable.

2. Building

cargo build

The first build may take a long time, because it needs to download dependent libraries from crates.io

Tips: If download speed from .crates.io is too slow. use a mirror to speed up(e.g. use rsproxy).

3. Usage

NOTE: This program must be run with root privileges!

detail arguments use -h

sudo /path/to/rcheat -h

4. Todo

• use lua to custom format the match entry
• search pid by process name (like linux command: pidof/pgrep)
• if match more than 1 entry name, ask for which one to select
• demangle symbols
• analysis the elf compiled by golang