syncable_cli/analyzer/hadolint/rules/
dl3011.rs

1//! DL3011: Valid UNIX ports range from 0 to 65535
2//!
3//! EXPOSE instruction must use valid port numbers.
4
5use crate::analyzer::hadolint::parser::instruction::Instruction;
6use crate::analyzer::hadolint::rules::{SimpleRule, simple_rule};
7use crate::analyzer::hadolint::shell::ParsedShell;
8use crate::analyzer::hadolint::types::Severity;
9
10pub fn rule() -> SimpleRule<impl Fn(&Instruction, Option<&ParsedShell>) -> bool + Send + Sync> {
11    simple_rule(
12        "DL3011",
13        Severity::Error,
14        "Valid UNIX ports range from 0 to 65535.",
15        |instr, _shell| {
16            match instr {
17                // All ports are already validated as u16 (0-65535) during parsing
18                // This rule is effectively a no-op but kept for documentation
19                Instruction::Expose(_) => true,
20                _ => true,
21            }
22        },
23    )
24}
25
26#[cfg(test)]
27mod tests {
28    use super::*;
29    use crate::analyzer::hadolint::config::HadolintConfig;
30    use crate::analyzer::hadolint::lint::{LintResult, lint};
31
32    fn lint_dockerfile(content: &str) -> LintResult {
33        lint(content, &HadolintConfig::default())
34    }
35
36    #[test]
37    fn test_valid_port() {
38        let result = lint_dockerfile("FROM ubuntu:20.04\nEXPOSE 8080");
39        assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3011"));
40    }
41
42    #[test]
43    fn test_valid_multiple_ports() {
44        let result = lint_dockerfile("FROM ubuntu:20.04\nEXPOSE 80 443 8080");
45        assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3011"));
46    }
47
48    #[test]
49    fn test_max_valid_port() {
50        let result = lint_dockerfile("FROM ubuntu:20.04\nEXPOSE 65535");
51        assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3011"));
52    }
53
54    #[test]
55    fn test_min_valid_port() {
56        let result = lint_dockerfile("FROM ubuntu:20.04\nEXPOSE 0");
57        assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3011"));
58    }
59}
syncable_cli/analyzer/hadolint/rules/dl3011.rs

syncable_cli/analyzer/hadolint/rules/
dl3011.rs
