Add `who` utility

This commit is contained in:
Nathan Fisher 2023-03-14 22:17:46 -04:00
parent 226bc46888
commit a16a77148d
5 changed files with 190 additions and 58 deletions

186
Cargo.lock generated
View File

@ -128,9 +128,9 @@ dependencies = [
[[package]]
name = "block-buffer"
version = "0.10.3"
version = "0.10.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "69cce20737498f97b993470a6e536b8523f0af7892a4f928cceb1ac5e52ebe7e"
checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
dependencies = [
"generic-array",
]
@ -141,6 +141,12 @@ version = "3.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0d261e256854913907f67ed06efbc3338dfe6179796deefc1ff763fc1aee5535"
[[package]]
name = "byteorder"
version = "1.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
[[package]]
name = "cc"
version = "1.0.79"
@ -164,9 +170,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "chrono"
version = "0.4.23"
version = "0.4.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
checksum = "4e3c5919066adf22df73762e50cffcde3a758f2a848b113b586d1f86728b673b"
dependencies = [
"iana-time-zone",
"num-integer",
@ -202,9 +208,9 @@ dependencies = [
[[package]]
name = "clap"
version = "4.1.6"
version = "4.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ec0b0588d44d4d63a87dbd75c136c166bbfd9a86a31cb89e09906521c7d3f5e3"
checksum = "c3d7ae14b20b94cb02149ed21a86c423859cbe18dc7ed69845cace50e52b40a5"
dependencies = [
"bitflags",
"clap_lex",
@ -212,11 +218,11 @@ dependencies = [
[[package]]
name = "clap_complete"
version = "4.1.3"
version = "4.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0012995dc3a54314f4710f5631d74767e73c534b8757221708303e48eef7a19b"
checksum = "501ff0a401473ea1d4c3b125ff95506b62c5bc5768d818634195fbb7c4ad5ff4"
dependencies = [
"clap 4.1.6",
"clap 4.1.8",
]
[[package]]
@ -225,7 +231,7 @@ version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c7fa41f5e6aa83bd151b70fd0ceaee703d68cd669522795dc812df9edad1252c"
dependencies = [
"clap 4.1.6",
"clap 4.1.8",
"clap_complete",
]
@ -244,7 +250,7 @@ version = "0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bb0f09a0ca8f0dd8ac92c546b426f466ef19828185c6d504c80c48c9c2768ed9"
dependencies = [
"clap 4.1.6",
"clap 4.1.8",
"roff",
]
@ -260,9 +266,9 @@ dependencies = [
[[package]]
name = "constant_time_eq"
version = "0.2.4"
version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f3ad85c1f65dc7b37604eb0e89748faf0b9653065f2a8ef69f96a687ec1e9279"
checksum = "13418e745008f7349ec7e449155f419a61b92b58a99cc3616942b926825ec76b"
[[package]]
name = "core-foundation-sys"
@ -291,9 +297,9 @@ dependencies = [
[[package]]
name = "cxx"
version = "1.0.91"
version = "1.0.92"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "86d3488e7665a7a483b57e25bdd90d0aeb2bc7608c8d0346acf2ad3f1caf1d62"
checksum = "9a140f260e6f3f79013b8bfc65e7ce630c9ab4388c6a89c71e07226f49487b72"
dependencies = [
"cc",
"cxxbridge-flags",
@ -303,9 +309,9 @@ dependencies = [
[[package]]
name = "cxx-build"
version = "1.0.91"
version = "1.0.92"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "48fcaf066a053a41a81dfb14d57d99738b767febb8b735c3016e469fac5da690"
checksum = "da6383f459341ea689374bf0a42979739dc421874f112ff26f829b8040b8e613"
dependencies = [
"cc",
"codespan-reporting",
@ -318,15 +324,15 @@ dependencies = [
[[package]]
name = "cxxbridge-flags"
version = "1.0.91"
version = "1.0.92"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2ef98b8b717a829ca5603af80e1f9e2e48013ab227b68ef37872ef84ee479bf"
checksum = "90201c1a650e95ccff1c8c0bb5a343213bdd317c6e600a93075bca2eff54ec97"
[[package]]
name = "cxxbridge-macro"
version = "1.0.91"
version = "1.0.92"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "086c685979a698443656e5cf7856c95c642295a38599f12fb1ff76fb28d19892"
checksum = "0b75aed41bb2e6367cae39e6326ef817a851db13c13e4f3263714ca3cfb8de56"
dependencies = [
"proc-macro2",
"quote",
@ -465,9 +471,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
[[package]]
name = "libc"
version = "0.2.139"
version = "0.2.140"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
[[package]]
name = "libloading"
@ -576,9 +582,9 @@ checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
[[package]]
name = "proc-macro2"
version = "1.0.51"
version = "1.0.52"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5d727cae5b39d21da60fa540906919ad737832fe0b1c165da3a34d6548c849d6"
checksum = "1d0e1ae9e836cc3beddd63db0df682593d7e2d3d891ae8c9083d2113e1744224"
dependencies = [
"unicode-ident",
]
@ -592,9 +598,9 @@ dependencies = [
[[package]]
name = "quote"
version = "1.0.23"
version = "1.0.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
dependencies = [
"proc-macro2",
]
@ -639,9 +645,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
[[package]]
name = "rustversion"
version = "1.0.11"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5583e89e108996506031660fe09baa5011b9dd0341b89029313006d1fb508d70"
checksum = "4f3208ce4d8448b3f3e7d168a73f5e0c43a61e32930de3bceeccedb388b6bf06"
[[package]]
name = "same-file"
@ -660,9 +666,15 @@ checksum = "010e18bd3bfd1d45a7e666b236c78720df0d9a7698ebaa9c1c559961eb60a38b"
[[package]]
name = "scratch"
version = "1.0.3"
version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ddccb15bcce173023b3fedd9436f882a0739b8dfb45e4f6b6002bee5929f61b2"
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[[package]]
name = "serde"
version = "1.0.156"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "314b5b092c0ade17c00142951e50ced110ec27cea304b1037c6969246c2469a4"
[[package]]
name = "sha1"
@ -694,7 +706,7 @@ dependencies = [
"bitflags-mini",
"blake2b_simd",
"chrono",
"clap 4.1.6",
"clap 4.1.8",
"clap_complete",
"clap_complete_nushell",
"clap_mangen",
@ -716,6 +728,7 @@ dependencies = [
"unistd",
"unix-mode",
"unix-stat",
"utmp-rs",
"walkdir",
]
@ -764,9 +777,9 @@ dependencies = [
[[package]]
name = "syn"
version = "1.0.108"
version = "1.0.109"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d56e159d99e6c2b93995d171050271edb50ecc5288fbc7cc17de8fdce4e58c14"
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
dependencies = [
"proc-macro2",
"quote",
@ -802,24 +815,40 @@ dependencies = [
[[package]]
name = "thiserror"
version = "1.0.38"
version = "1.0.39"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
checksum = "a5ab016db510546d856297882807df8da66a16fb8c4101cb8b30054b0d5b2d9c"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.38"
version = "1.0.39"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
checksum = "5420d42e90af0c38c3290abcca25b9b3bdf379fc9f55c528f53a269d9c9a267e"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "time"
version = "0.3.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
dependencies = [
"serde",
"time-core",
]
[[package]]
name = "time-core"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
[[package]]
name = "typenum"
version = "1.16.0"
@ -828,9 +857,9 @@ checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
[[package]]
name = "unicode-ident"
version = "1.0.6"
version = "1.0.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"
checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
[[package]]
name = "unicode-segmentation"
@ -870,6 +899,30 @@ dependencies = [
"sc",
]
[[package]]
name = "utmp-raw"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9259b18bad8808ca2b0e585d8c06a6ac7b0bb11b7bf50632d05832c25e6f91f"
dependencies = [
"cfg-if",
"libc",
"zerocopy",
]
[[package]]
name = "utmp-rs"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a9c97e4baf720e8a40615bd084c7e18f489d8099045f4e45f8e96d6c88c9c20"
dependencies = [
"libc",
"thiserror",
"time",
"utmp-raw",
"zerocopy",
]
[[package]]
name = "vec_map"
version = "0.8.2"
@ -998,9 +1051,9 @@ dependencies = [
[[package]]
name = "windows-targets"
version = "0.42.1"
version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e2522491fbfcd58cc84d47aeb2958948c4b8982e9a2d8a2a35bbaed431390e7"
checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
@ -1013,42 +1066,63 @@ dependencies = [
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.42.1"
version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8c9864e83243fdec7fc9c5444389dcbbfd258f745e7853198f365e3c4968a608"
checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
[[package]]
name = "windows_aarch64_msvc"
version = "0.42.1"
version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4c8b1b673ffc16c47a9ff48570a9d85e25d265735c503681332589af6253c6c7"
checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
[[package]]
name = "windows_i686_gnu"
version = "0.42.1"
version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "zerocopy"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "332f188cc1bcf1fe1064b8c58d150f497e697f49774aa846f2dc949d9a25f236"
dependencies = [
"byteorder",
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6505e6815af7de1746a08f69c69606bb45695a17149517680f3b2149713b19a3"
dependencies = [
"proc-macro2",
"quote",
"syn",
]

View File

@ -39,7 +39,7 @@ sha1 = "0.10"
sha2 = "0.10"
size-display = "0.1"
termcolor = "1.1"
textwrap = { version = "0.16", default-features = false, features = ["smawk"] }
utmp-rs = "0.3"
walkdir = "2.3"
[dependencies.bitflags]
@ -71,6 +71,11 @@ path = "mount"
package = "unix-stat"
path = "unix-stat"
[dependencies.textwrap]
version = "0.16"
default-features = false
features = ["smawk"]
[dependencies.unistd]
package = "unistd"
path = "unistd"

View File

@ -69,6 +69,7 @@ code between applets, making for an overall smaller binary.
- unlink
- wc
- which
- who
- whoami
- yes

View File

@ -50,6 +50,7 @@ mod r#true;
mod unlink;
mod wc;
mod which;
mod who;
mod whoami;
mod yes;
@ -100,13 +101,14 @@ pub fn get(name: &str) -> Option<Box<dyn Cmd>> {
"unlink" => Some(Box::new(unlink::Unlink::default())),
"wc" => Some(Box::new(wc::Wc::default())),
"which" => Some(Box::new(which::Which::default())),
"who" => Some(Box::new(who::Who::default())),
"whoami" => Some(Box::new(whoami::Whoami::default())),
"yes" => Some(Box::new(yes::Yes::default())),
_ => None,
}
}
pub static COMMANDS: [&str; 44] = [
pub static COMMANDS: [&str; 45] = [
"base32",
"base64",
"basename",
@ -149,6 +151,7 @@ pub static COMMANDS: [&str; 44] = [
"unlink",
"wc",
"which",
"who",
"whoami",
"yes",
];

View File

@ -0,0 +1,49 @@
use clap::{Arg, ArgAction, Command};
use shitbox::Cmd;
use utmp_rs::UtmpEntry;
#[derive(Debug, Default)]
pub struct Who;
impl Cmd for Who {
fn cli(&self) -> Command {
Command::new("who")
.about("show who is logged on")
.author("Nathan Fisher")
.version(env!("CARGO_PKG_VERSION"))
.arg(
Arg::new("heading")
.help("print line of column headings")
.short('H')
.long("heading")
.action(ArgAction::SetTrue),
)
}
fn run(&self, matches: &clap::ArgMatches) -> Result<(), Box<dyn std::error::Error>> {
if matches.get_flag("heading") {
println!("NAME LINE TIME");
}
let entries = utmp_rs::parse_from_path("/var/run/utmp")?;
for e in entries.iter() {
match e {
UtmpEntry::UserProcess {
pid: _,
line,
user,
host: _,
session: _,
time,
} => {
println!("{user:9}{line:13}{} {}:{}", time.date(), time.hour(), time.minute());
}
_ => {}
}
}
Ok(())
}
fn path(&self) -> Option<shitbox::Path> {
Some(shitbox::Path::UsrBin)
}
}