37 lines
775 B
Rust
37 lines
775 B
Rust
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use std::ffi::CStr;
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use {
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clap::Command,
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libc::{geteuid, getpwuid},
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super::Cmd,
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};
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#[derive(Debug, Default)]
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pub struct Whoami;
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impl Cmd for Whoami {
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fn name(&self) -> &str {
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"whoami"
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}
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fn cli(&self) -> clap::Command {
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Command::new("whoami")
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.about("print effective user name")
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.author("Nathan Fisher")
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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 pwnam = unsafe {
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let pw = *getpwuid(geteuid());
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CStr::from_ptr((pw).pw_name)
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};
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let pwnam = pwnam.to_str()?;
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println!("{pwnam}");
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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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