3d8ee62087
Change-Id: Iab7e00cc26a4f9727d3ab98691ef379921a33052 Reviewed-on: https://cl.tvl.fyi/c/depot/+/5240 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: Profpatsch <mail@profpatsch.de> Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: tazjin <tazjin@tvl.su>
119 lines
3.8 KiB
Rust
119 lines
3.8 KiB
Rust
extern crate semver;
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extern crate toml;
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use std::io::Write;
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/// reads a security advisory of the form
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/// https://github.com/RustSec/advisory-db/blob/a24932e220dfa9be8b0b501210fef8a0bc7ef43e/EXAMPLE_ADVISORY.md
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/// and a crate version number,
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/// and returns 0 if the crate version is patched
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/// and returns 1 if the crate version is *not* patched
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///
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/// If PRINT_ADVISORY is set, the advisory is printed if it matches.
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fn main() {
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let mut args = std::env::args_os();
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let file = args.nth(1).expect("security advisory md file is $1");
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let crate_version = args
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.nth(0)
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.expect("crate version is $2")
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.into_string()
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.expect("crate version string not utf8");
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let crate_version = semver::Version::parse(&crate_version)
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.expect(&format!("this is not a semver version: {}", &crate_version));
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let filename = file.to_string_lossy();
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let content = std::fs::read(&file).expect(&format!("could not read {}", filename));
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let content = std::str::from_utf8(&content)
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.expect(&format!("file {} was not encoded as utf-8", filename));
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let content = content.trim_start();
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let toml_start = content
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.strip_prefix("```toml")
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.expect(&format!("file did not start with ```toml: {}", filename));
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let toml_end_index = toml_start.find("```").expect(&format!(
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"the toml section did not end, no `` found: {}",
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filename
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));
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let toml = &toml_start[..toml_end_index];
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let toml: toml::Value = toml::de::from_slice(toml.as_bytes())
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.expect(&format!("could not parse toml: {}", filename));
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let versions = toml
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.as_table()
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.expect(&format!("the toml is not a table: {}", filename))
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.get("versions")
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.expect(&format!(
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"the toml does not contain the versions field: {}",
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filename
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))
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.as_table()
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.expect(&format!(
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"the toml versions field must be a table: {}",
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filename
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));
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let unaffected = match versions.get("unaffected") {
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Some(u) => u
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.as_array()
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.expect(&format!(
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"the toml versions.unaffected field must be a list of semvers: {}",
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filename
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))
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.iter()
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.map(|v| {
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semver::VersionReq::parse(
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v.as_str()
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.expect(&format!("the version field {} is not a string", v)),
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)
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.expect(&format!(
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"the version field {} is not a valid semver VersionReq",
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v
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))
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})
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.collect(),
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None => vec![],
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};
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let mut patched: Vec<semver::VersionReq> = versions
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.get("patched")
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.expect(&format!(
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"the toml versions.patched field must exist: {}",
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filename
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))
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.as_array()
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.expect(&format!(
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"the toml versions.patched field must be a list of semvers: {}",
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filename
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))
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.iter()
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.map(|v| {
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semver::VersionReq::parse(
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v.as_str()
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.expect(&format!("the version field {} is not a string", v)),
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)
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.expect(&format!(
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"the version field {} is not a valid semver VersionReq",
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v
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))
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})
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.collect();
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patched.extend_from_slice(&unaffected[..]);
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let is_patched_or_unaffected = patched.iter().any(|req| req.matches(&crate_version));
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if is_patched_or_unaffected {
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std::process::exit(0);
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} else {
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if std::env::var_os("PRINT_ADVISORY").is_some() {
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write!(
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std::io::stderr(),
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"Advisory {} matched!\n{}\n",
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filename,
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content
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)
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.unwrap();
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}
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std::process::exit(1);
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}
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}
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