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fix: HATEFUL commit, downloading npcap SDK for Packet.lib linking
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Chleba committed Oct 23, 2024
1 parent fe78567 commit b0b9add
Showing 1 changed file with 128 additions and 122 deletions.
250 changes: 128 additions & 122 deletions build.rs
Original file line number Diff line number Diff line change
@@ -1,128 +1,134 @@

fn main() {
// #[cfg(target_os = "windows")]
// download_windows_npcap_sdk().unwrap();

let git_output = std::process::Command::new("git").args(["rev-parse", "--git-dir"]).output().ok();
let git_dir = git_output.as_ref().and_then(|output| {
std::str::from_utf8(&output.stdout).ok().and_then(|s| s.strip_suffix('\n').or_else(|| s.strip_suffix("\r\n")))
});

// Tell cargo to rebuild if the head or any relevant refs change.
if let Some(git_dir) = git_dir {
let git_path = std::path::Path::new(git_dir);
let refs_path = git_path.join("refs");
if git_path.join("HEAD").exists() {
println!("cargo:rerun-if-changed={}/HEAD", git_dir);
}
if git_path.join("packed-refs").exists() {
println!("cargo:rerun-if-changed={}/packed-refs", git_dir);
}
if refs_path.join("heads").exists() {
println!("cargo:rerun-if-changed={}/refs/heads", git_dir);
}
if refs_path.join("tags").exists() {
println!("cargo:rerun-if-changed={}/refs/tags", git_dir);
#[cfg(target_os = "windows")]
download_windows_npcap_sdk().unwrap();

let git_output = std::process::Command::new("git")
.args(["rev-parse", "--git-dir"])
.output()
.ok();
let git_dir = git_output.as_ref().and_then(|output| {
std::str::from_utf8(&output.stdout)
.ok()
.and_then(|s| s.strip_suffix('\n').or_else(|| s.strip_suffix("\r\n")))
});

// Tell cargo to rebuild if the head or any relevant refs change.
if let Some(git_dir) = git_dir {
let git_path = std::path::Path::new(git_dir);
let refs_path = git_path.join("refs");
if git_path.join("HEAD").exists() {
println!("cargo:rerun-if-changed={}/HEAD", git_dir);
}
if git_path.join("packed-refs").exists() {
println!("cargo:rerun-if-changed={}/packed-refs", git_dir);
}
if refs_path.join("heads").exists() {
println!("cargo:rerun-if-changed={}/refs/heads", git_dir);
}
if refs_path.join("tags").exists() {
println!("cargo:rerun-if-changed={}/refs/tags", git_dir);
}
}
}

let git_output =
std::process::Command::new("git").args(["describe", "--always", "--tags", "--long", "--dirty"]).output().ok();
let git_info = git_output.as_ref().and_then(|output| std::str::from_utf8(&output.stdout).ok().map(str::trim));
let cargo_pkg_version = env!("CARGO_PKG_VERSION");

// Default git_describe to cargo_pkg_version
let mut git_describe = String::from(cargo_pkg_version);

if let Some(git_info) = git_info {
// If the `git_info` contains `CARGO_PKG_VERSION`, we simply use `git_info` as it is.
// Otherwise, prepend `CARGO_PKG_VERSION` to `git_info`.
if git_info.contains(cargo_pkg_version) {
// Remove the 'g' before the commit sha
let git_info = &git_info.replace('g', "");
git_describe = git_info.to_string();
} else {
git_describe = format!("v{}-{}", cargo_pkg_version, git_info);

let git_output = std::process::Command::new("git")
.args(["describe", "--always", "--tags", "--long", "--dirty"])
.output()
.ok();
let git_info = git_output
.as_ref()
.and_then(|output| std::str::from_utf8(&output.stdout).ok().map(str::trim));
let cargo_pkg_version = env!("CARGO_PKG_VERSION");

// Default git_describe to cargo_pkg_version
let mut git_describe = String::from(cargo_pkg_version);

if let Some(git_info) = git_info {
// If the `git_info` contains `CARGO_PKG_VERSION`, we simply use `git_info` as it is.
// Otherwise, prepend `CARGO_PKG_VERSION` to `git_info`.
if git_info.contains(cargo_pkg_version) {
// Remove the 'g' before the commit sha
let git_info = &git_info.replace('g', "");
git_describe = git_info.to_string();
} else {
git_describe = format!("v{}-{}", cargo_pkg_version, git_info);
}
}
}

println!("cargo:rustc-env=_GIT_INFO={}", git_describe);
println!("cargo:rustc-env=_GIT_INFO={}", git_describe);
}

// -- not working on win10, also I don't like it when app is downloading third party *
// #[cfg(target_os = "windows")]
// fn download_windows_npcap_sdk() -> anyhow::Result<()> {

// use anyhow::anyhow;

// use std::{
// fs,
// io::{self, Write},
// env,
// path::PathBuf
// };

// use http_req::request;
// use zip::ZipArchive;

// println!("cargo:rerun-if-changed=build.rs");

// // get npcap SDK
// const NPCAP_SDK: &str = "npcap-sdk-1.13.zip";

// let npcap_sdk_download_url = format!("https://npcap.com/dist/{NPCAP_SDK}");
// let cache_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR")?).join("target");
// let npcap_sdk_cache_path = cache_dir.join(NPCAP_SDK);

// let npcap_zip = match fs::read(&npcap_sdk_cache_path) {
// // use cached
// Ok(zip_data) => {
// eprintln!("Found cached npcap SDK");
// zip_data
// }
// // download SDK
// Err(_) => {
// eprintln!("Downloading npcap SDK");

// // download
// let mut zip_data = vec![];
// let _res = request::get(npcap_sdk_download_url, &mut zip_data)?;

// // write cache
// fs::create_dir_all(cache_dir)?;
// let mut cache = fs::File::create(npcap_sdk_cache_path)?;
// cache.write_all(&zip_data)?;

// zip_data
// }
// };

// // extract DLL
// let lib_path = if cfg!(target_arch = "aarch64") {
// "Lib/ARM64/Packet.lib"
// } else if cfg!(target_arch = "x86_64") {
// "Lib/x64/Packet.lib"
// } else if cfg!(target_arch = "x86") {
// "Lib/Packet.lib"
// } else {
// panic!("Unsupported target!")
// };
// let mut archive = ZipArchive::new(io::Cursor::new(npcap_zip))?;
// let mut npcap_lib = archive.by_name(lib_path)?;

// // write DLL
// let lib_dir = PathBuf::from(env::var("OUT_DIR")?).join("npcap_sdk");
// let lib_path = lib_dir.join("Packet.lib");
// fs::create_dir_all(&lib_dir)?;
// let mut lib_file = fs::File::create(lib_path)?;
// io::copy(&mut npcap_lib, &mut lib_file)?;

// println!(
// "cargo:rustc-link-search=native={}",
// lib_dir
// .to_str()
// .ok_or(anyhow!("{lib_dir:?} is not valid UTF-8"))?
// );

// Ok(())
// }
// -- unfortunately netscanner need to download sdk because of Packet.lib for build locally
#[cfg(target_os = "windows")]
fn download_windows_npcap_sdk() -> anyhow::Result<()> {
use anyhow::anyhow;

use std::{
env, fs,
io::{self, Write},
path::PathBuf,
};

use http_req::request;
use zip::ZipArchive;

println!("cargo:rerun-if-changed=build.rs");

// get npcap SDK
const NPCAP_SDK: &str = "npcap-sdk-1.13.zip";

let npcap_sdk_download_url = format!("https://npcap.com/dist/{NPCAP_SDK}");
let cache_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR")?).join("target");
let npcap_sdk_cache_path = cache_dir.join(NPCAP_SDK);

let npcap_zip = match fs::read(&npcap_sdk_cache_path) {
// use cached
Ok(zip_data) => {
eprintln!("Found cached npcap SDK");
zip_data
}
// download SDK
Err(_) => {
eprintln!("Downloading npcap SDK");

// download
let mut zip_data = vec![];
let _res = request::get(npcap_sdk_download_url, &mut zip_data)?;

// write cache
fs::create_dir_all(cache_dir)?;
let mut cache = fs::File::create(npcap_sdk_cache_path)?;
cache.write_all(&zip_data)?;

zip_data
}
};

// extract DLL
let lib_path = if cfg!(target_arch = "aarch64") {
"Lib/ARM64/Packet.lib"
} else if cfg!(target_arch = "x86_64") {
"Lib/x64/Packet.lib"
} else if cfg!(target_arch = "x86") {
"Lib/Packet.lib"
} else {
panic!("Unsupported target!")
};
let mut archive = ZipArchive::new(io::Cursor::new(npcap_zip))?;
let mut npcap_lib = archive.by_name(lib_path)?;

// write DLL
let lib_dir = PathBuf::from(env::var("OUT_DIR")?).join("npcap_sdk");
let lib_path = lib_dir.join("Packet.lib");
fs::create_dir_all(&lib_dir)?;
let mut lib_file = fs::File::create(lib_path)?;
io::copy(&mut npcap_lib, &mut lib_file)?;

println!(
"cargo:rustc-link-search=native={}",
lib_dir
.to_str()
.ok_or(anyhow!("{lib_dir:?} is not valid UTF-8"))?
);

Ok(())
}

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