55 lines
1.6 KiB
Rust
55 lines
1.6 KiB
Rust
use std::fs;
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use anyhow::{Context, Result};
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use expect_test::expect;
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use tempfile::tempdir;
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mod common;
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#[test]
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fn generate_expected_os_release() -> Result<()> {
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let esp_mountpoint = tempdir()?;
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let tmpdir = tempdir()?;
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let profiles = tempdir()?;
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let generation_link = common::setup_generation_link(tmpdir.path(), profiles.path(), 1)
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.expect("Failed to setup generation link");
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let output0 = common::lanzaboote_install(0, esp_mountpoint.path(), vec![generation_link])?;
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assert!(output0.status.success());
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let stub_data = fs::read(
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esp_mountpoint
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.path()
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.join("EFI/Linux/nixos-generation-1.efi"),
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)?;
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let os_release_section = pe_section(&stub_data, ".osrel")
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.context("Failed to read .osrelease PE section.")?
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.to_owned();
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let expected = expect![[r#"
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ID=lanza
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PRETTY_NAME=LanzaOS
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VERSION_ID=Generation 1, Built on 1970-01-01
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"#]];
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expected.assert_eq(&String::from_utf8(os_release_section)?);
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Ok(())
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}
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fn pe_section<'a>(file_data: &'a [u8], section_name: &str) -> Option<&'a [u8]> {
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let pe_binary = goblin::pe::PE::parse(file_data).ok()?;
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pe_binary
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.sections
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.iter()
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.find(|s| s.name().unwrap() == section_name)
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.and_then(|s| {
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let section_start: usize = s.pointer_to_raw_data.try_into().ok()?;
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assert!(s.virtual_size <= s.size_of_raw_data);
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let section_end: usize = section_start + usize::try_from(s.virtual_size).ok()?;
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Some(&file_data[section_start..section_end])
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})
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}
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