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.cargo/config.toml

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+[target.aarch64-linux-android]
+linker = "aarch64-linux-android21-clang++"
+ar = "llvm-ar"
+
+[target.armv7-linux-androideabi]
+linker = "armv7a-linux-androideabi21-clang++"
+ar = "llvm-ar"
+
+[target.i686-linux-android]
+linker = "i686-linux-android21-clang++"
+ar = "llvm-ar"
+
+[target.x86_64-linux-android]
+linker = "x86_64-linux-android21-clang++"
+ar = "llvm-ar"

.gitignore

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+/target
+.idea

Cargo.lock

@@ -0,0 +1,129 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "ProcessManager"
+version = "0.1.0"
+dependencies = [
+ "colored",
+ "nix",
+]
+
+[[package]]
+name = "bitflags"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "cfg_aliases"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
+
+[[package]]
+name = "colored"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbf2150cce219b664a8a70df7a1f933836724b503f8a413af9365b4dcc4d90b8"
+dependencies = [
+ "lazy_static",
+ "windows-sys",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.154"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
+
+[[package]]
+name = "nix"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab2156c4fce2f8df6c499cc1c763e4394b7482525bf2a9701c9d79d215f519e4"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"

Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "ProcessManager"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+nix = { version = "0.28.0", features = ["user"] }
+colored = "2.0"

src/main.rs

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+use std::{env, fs, io};
+use std::fs::{DirEntry, File};
+use std::io::{BufRead, BufReader};
+use colored::Colorize;
+use nix::unistd::Uid;
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    if args.len() != 2 {
+        println!("需要 1 个参数，但是找到找到{}个。", args.len() - 1);
+        return;
+    }
+
+    let process_name = &args[1];
+    println!("名称：{}", process_name);
+
+    is_root();
+    let dir_entries = fs::read_dir("/proc").expect("访问/proc目录出错！");
+    for entry in dir_entries {
+        if entry.is_err() {
+            println!("{:?}", entry.err());
+            continue;
+        }
+        match examine_entry(entry.unwrap(), process_name) {
+            Err(err) => println!("{:?}", err),
+            _ => {}
+        }
+    }
+}
+
+fn examine_entry(file_entry: DirEntry, name: &str) -> Result<(), io::Error> {
+    //跳过不是目录的条目
+    if !file_entry.metadata()?.is_dir() {
+        return Ok(());
+    }
+
+    let file_name = file_entry.file_name().into_string().unwrap_or_else(|os_string| {
+        os_string.to_string_lossy().to_string()
+    });
+
+    //跳过名称不是纯数字的条目
+    if !is_numeric_string(&file_name) {
+        return Ok(());
+    }
+
+    let file = File::open(format!("/proc/{}/cmdline", file_name))?;
+    let reader = BufReader::new(file);
+
+    // 读取文件的第一行
+    if let Some(Ok(first_line)) = reader.lines().next() {
+        if first_line.contains(name) {
+            println!("PID：{}   PackName： {}", file_name, first_line);
+        }
+    }
+
+    Ok(())
+}
+
+/// 检查给定字符串是否由纯数字组成
+fn is_numeric_string(s: &str) -> bool {
+    s.chars().all(|c| c.is_numeric())
+}
+
+
+fn is_root() {
+    let uid = Uid::current().as_raw();
+    if uid != 0 {
+        println!("{}", format!("警告：当前用户的UID为 {},不具有root权限！", uid).red());
+        println!("{}", "不具备root权限，将无法访问系统内的全部进程。".red());
+    }
+}