Captures all the calls to http.Get function and grabs the full URL from the stack area. For more details head to the blog post.
To build this tool you have to satisify the following requirements:
- have a Linux kernel that supports uprobes
- linux headers
- clang
- LLVM
- libbcc
- Go >1.12
- Build the tool
go build -o uprobe-http-tracer main.go
- Write a simple program
vi /tmp/main.go
package main
import "net/http"
func main() {
urls := []string{"http://google.com", "http://reddit.com", "http://pastebin.com/tools"}
for _, url := range urls {
http.Get(url)
}
}
go build /tmp/main.go
- See it in action
sudo ./uprobe-http-tracer --bin=/tmp/main
PID URL
8274 http://google.com
8276 http://reddit.com
8286 http://pastebin.com/tools