Add `md5sum` applet
This commit is contained in:
parent
bcb5725a5c
commit
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@ -19,6 +19,15 @@ version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "block-buffer"
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version = "0.10.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
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dependencies = [
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"generic-array",
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]
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[[package]]
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name = "cc"
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version = "1.0.78"
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@ -76,12 +85,32 @@ dependencies = [
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"roff",
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]
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[[package]]
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name = "crypto-common"
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version = "0.1.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
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dependencies = [
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"generic-array",
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"typenum",
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]
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[[package]]
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name = "data-encoding"
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version = "2.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "23d8666cb01533c39dde32bcbab8e227b4ed6679b2c925eba05feabea39508fb"
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[[package]]
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name = "digest"
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version = "0.10.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
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dependencies = [
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"block-buffer",
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"crypto-common",
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]
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[[package]]
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name = "errno"
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version = "0.2.8"
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@ -103,6 +132,16 @@ dependencies = [
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"libc",
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]
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[[package]]
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name = "generic-array"
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version = "0.14.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
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dependencies = [
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"typenum",
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"version_check",
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]
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[[package]]
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name = "hermit-abi"
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version = "0.1.19"
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@ -155,6 +194,15 @@ version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
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[[package]]
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name = "md-5"
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version = "0.10.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6365506850d44bff6e2fbcb5176cf63650e48bd45ef2fe2665ae1570e0f4b9ca"
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dependencies = [
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"digest",
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]
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[[package]]
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name = "os_str_bytes"
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version = "6.4.1"
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@ -207,6 +255,7 @@ dependencies = [
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"clap_mangen",
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"data-encoding",
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"libc",
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"md-5",
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"sc",
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"termcolor",
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"textwrap",
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@ -243,6 +292,18 @@ dependencies = [
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"smawk",
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]
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[[package]]
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name = "typenum"
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version = "1.16.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
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[[package]]
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name = "version_check"
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version = "0.9.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
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[[package]]
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name = "walkdir"
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version = "2.3.2"
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@ -13,6 +13,7 @@ clap_complete_nushell = "0.1"
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clap_mangen = "0.2"
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data-encoding = "2.3"
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libc = "0.2"
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md-5 = "0.10.5"
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sc = "0.2"
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termcolor = "1.1"
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textwrap = { version = "0.16", default-features = false, features = ["smawk"] }
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@ -38,6 +38,7 @@ code between applets, making for an overall smaller binary.
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- hostname
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- link
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- logname
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- md5sum
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- mkfifo
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- mknod
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- mountpoint
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@ -0,0 +1,102 @@
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use super::Cmd;
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use clap::{Arg, ArgAction, Command};
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use md5::{Digest, Md5};
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use std::{
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fmt::Write,
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fs::File,
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io::{self, BufRead, BufReader, Read},
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process, error::Error,
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};
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#[derive(Debug, Default)]
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pub struct Md5sum;
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impl Cmd for Md5sum {
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fn cli(&self) -> clap::Command {
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Command::new("md5sum")
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.about("compute and check MD5 message digest")
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.author("Nathan Fisher")
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.version(env!("CARGO_PKG_VERSION"))
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.args([
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Arg::new("check")
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.help("read checksums from the FILEs and check them")
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.short('c')
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.long("check")
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.action(ArgAction::SetTrue),
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Arg::new("file")
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.value_name("FILE")
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.num_args(1..)
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.default_value("-"),
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])
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}
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fn run(&self, matches: Option<&clap::ArgMatches>) -> Result<(), Box<dyn std::error::Error>> {
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let Some(matches) = matches else {
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return Err(io::Error::new(io::ErrorKind::Other, "no input").into());
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};
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if let Some(files) = matches.get_many::<String>("file") {
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let mut erred = 0;
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for f in files {
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if matches.get_flag("check") {
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if f == "-" {
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return Err(
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io::Error::new(io::ErrorKind::Other, "no file specified").into()
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);
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}
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let fd = File::open(f)?;
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let reader = BufReader::new(fd);
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for line in reader.lines() {
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let line = line?;
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let mut split = line.split_whitespace();
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let sum = split.next().ok_or::<Box<dyn Error>>(
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io::Error::new(io::ErrorKind::Other, "invalid checksum file").into(),
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)?;
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let file = split.next().ok_or::<Box<dyn Error>>(
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io::Error::new(io::ErrorKind::Other, "invalid checksum file").into(),
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)?;
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let mut hasher = Md5::new();
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let mut buf = vec![];
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let mut fd = File::open(file)?;
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let _s = fd.read_to_end(&mut buf)?;
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hasher.update(&buf);
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let res = hasher.finalize();
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let mut s = String::new();
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for c in res {
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write!(s, "{c:x}")?;
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}
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if s.as_str() == sum {
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println!("{file}: OK");
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} else {
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println!("{file}: FAILED");
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erred += 1;
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}
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}
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} else {
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let mut hasher = Md5::new();
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let mut buf = vec![];
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if f == "-" {
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let _s = io::stdin().read_to_end(&mut buf)?;
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} else {
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let mut fd = File::open(f)?;
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let _s = fd.read_to_end(&mut buf)?;
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}
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hasher.update(&buf);
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let res = hasher.finalize();
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for c in res {
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print!("{c:x}");
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}
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println!(" {f}");
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}
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}
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if erred > 0 {
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println!("md5sum: WARNING: {erred} computed checksum did NOT match");
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process::exit(1);
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}
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}
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Ok(())
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}
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fn path(&self) -> Option<crate::Path> {
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Some(crate::Path::UsrBin)
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}
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}
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@ -29,6 +29,7 @@ mod link;
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mod ln;
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mod logname;
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mod ls;
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mod md5sum;
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mod mkfifo;
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mod mknod;
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mod mktemp;
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@ -93,6 +94,7 @@ pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
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"hostname" => Some(Box::new(hostname::Hostname::default())),
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"link" => Some(Box::new(link::Link::default())),
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"logname" => Some(Box::new(logname::Logname::default())),
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"md5sum" => Some(Box::new(md5sum::Md5sum::default())),
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"mkfifo" => Some(Box::new(mkfifo::MkFifo::default())),
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"mknod" => Some(Box::new(mknod::MkNod::default())),
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"mktemp" => Some(Box::new(mktemp::MkTemp::default())),
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@ -119,7 +121,7 @@ pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
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}
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}
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pub static COMMANDS: [&str; 43] = [
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pub static COMMANDS: [&str; 44] = [
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"base32",
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"base64",
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"basename",
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@ -141,6 +143,7 @@ pub static COMMANDS: [&str; 43] = [
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"hostname",
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"link",
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"logname",
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"md5sum",
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"mkfifo",
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"mknod",
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"mktemp",
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