Add domainname test

tests/contest/contest/src/main.rs

@@ -1,6 +1,7 @@
 mod tests;
 mod utils;
 
+use crate::tests::domainname::get_domainname_tests;
 use crate::tests::example::get_example_test;
 use crate::tests::hooks::get_hooks_tests;
 use crate::tests::hostname::get_hostname_test;
@@ -101,6 +102,8 @@ fn main() -> Result<()> {
     let ro_paths = get_ro_paths_test();
     let hostname = get_hostname_test();
     let mounts_recursive = get_mounts_recursive_test();
+    #[allow(unused_variables)]
+    let domainname = get_domainname_tests();
     let intel_rdt = get_intel_rdt_test();
     let sysctl = get_sysctl_test();
 
@@ -121,6 +124,7 @@ fn main() -> Result<()> {
     tm.add_test_group(Box::new(ro_paths));
     tm.add_test_group(Box::new(hostname));
     tm.add_test_group(Box::new(mounts_recursive));
+    // tm.add_test_group(Box::new(domainname)); // TODO (YJDoc2) fix in #2616
     tm.add_test_group(Box::new(intel_rdt));
     tm.add_test_group(Box::new(sysctl));
 

tests/contest/contest/src/tests/domainname/mod.rs

@@ -0,0 +1,32 @@
+use crate::utils::test_inside_container;
+use oci_spec::runtime::{ProcessBuilder, Spec, SpecBuilder};
+use test_framework::{Test, TestGroup, TestResult};
+
+fn get_spec(domainname: &str) -> Spec {
+    SpecBuilder::default()
+        .domainname(domainname)
+        .process(
+            ProcessBuilder::default()
+                .args(vec![
+                    "runtimetest".to_string(),
+                    "domainname_test".to_string(),
+                ])
+                .build()
+                .expect("error in creating process config"),
+        )
+        .build()
+        .unwrap()
+}
+
+fn set_domainname_test() -> TestResult {
+    let spec = get_spec("domainname");
+    test_inside_container(spec, &|_| Ok(()))
+}
+
+pub fn get_domainname_tests() -> TestGroup {
+    let mut tg = TestGroup::new("domainname_test");
+    let set_domainname_test = Test::new("set_domainname_test", Box::new(set_domainname_test));
+    tg.add(vec![Box::new(set_domainname_test)]);
+
+    tg
+}

tests/contest/contest/src/tests/mod.rs

@@ -1,4 +1,5 @@
 pub mod cgroups;
+pub mod domainname;
 pub mod example;
 pub mod hooks;
 pub mod hostname;

tests/contest/runtimetest/Cargo.toml

@@ -7,4 +7,5 @@ edition = "2021"
 oci-spec = { version = "0.6.4", features = ["runtime"] }
 nix = "0.27.1"
 anyhow = "1.0"
+libc = "0.2.139" # TODO (YJDoc2) upgrade to latest
 

tests/contest/runtimetest/src/main.rs

@@ -33,6 +33,7 @@ fn main() {
         "readonly_paths" => tests::validate_readonly_paths(&spec),
         "set_host_name" => tests::validate_hostname(&spec),
         "mounts_recursive" => tests::validate_mounts_recursive(&spec),
+        "domainname_test" => tests::validate_domainname(&spec),
         "seccomp" => tests::validate_seccomp(&spec),
         "sysctl" => tests::validate_sysctl(&spec),
         _ => eprintln!("error due to unexpected execute test name: {execute_test}"),

tests/contest/runtimetest/src/tests.rs

@@ -1,8 +1,10 @@
 use crate::utils::{self, test_read_access, test_write_access};
 use anyhow::{bail, Result};
+use libc::getdomainname;
 use nix::errno::Errno;
 use nix::unistd::getcwd;
 use oci_spec::runtime::Spec;
+use std::ffi::CStr;
 use std::fs::{self, read_dir};
 use std::path::Path;
 
@@ -81,6 +83,34 @@ pub fn validate_hostname(spec: &Spec) {
     }
 }
 
+pub fn validate_domainname(spec: &Spec) {
+    if let Some(expected_domainname) = spec.domainname() {
+        if expected_domainname.is_empty() {
+            return;
+        }
+
+        const MAX_DOMAINNAME_SIZE: usize = 254;
+        let actual_domainname: [i8; MAX_DOMAINNAME_SIZE] = [0; MAX_DOMAINNAME_SIZE];
+
+        // TODO (YJDoc2) : libc now has support for getdomainname, update this to use that
+        let ret =
+            unsafe { getdomainname(actual_domainname.as_ptr() as *mut i8, MAX_DOMAINNAME_SIZE) };
+        if ret == -1 {
+            eprintln!("Failed to get domainname");
+        }
+
+        let actual_domainname_cstr =
+            unsafe { CStr::from_ptr(actual_domainname.as_ptr() as *mut i8) };
+        if actual_domainname_cstr.to_str().unwrap() != expected_domainname {
+            eprintln!(
+                "Unexpected domainname, expected: {:?} found: {:?}",
+                expected_domainname,
+                actual_domainname_cstr.to_str().unwrap()
+            );
+        }
+    }
+}
+
 // Run argument test recursively for files after base_dir
 fn do_test_mounts_recursive(base_dir: &Path, test_fn: &dyn Fn(&Path) -> Result<()>) -> Result<()> {
     let dirs = read_dir(base_dir).unwrap();