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cksum/hashsum: use a struct to keep the results

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This commit is contained in:
Sylvestre Ledru 2024-06-03 20:40:16 +02:00
parent e6aad95055
commit a6bae64dde
1 changed files with 44 additions and 46 deletions
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90
src/uucore/src/lib/features/checksum.rs
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@ -68,6 +68,14 @@ pub struct HashAlgorithm {
pub bits: usize,
}
struct ChecksumResult {
pub bad_format: i32,
pub failed_cksum: i32,
pub failed_open_file: i32,
pub correct_format: i32,
pub properly_formatted: bool,
}
#[derive(Debug, Error)]
pub enum ChecksumError {
#[error("the --raw option is not supported with multiple files")]
@ -142,31 +150,25 @@ pub fn create_sha3(bits: Option<usize>) -> UResult<HashAlgorithm> {
}
#[allow(clippy::comparison_chain)]
pub fn cksum_output(
bad_format: i32,
failed_cksum: i32,
failed_open_file: i32,
ignore_missing: bool,
status: bool,
) {
if bad_format == 1 {
show_warning_caps!("{} line is improperly formatted", bad_format);
} else if bad_format > 1 {
show_warning_caps!("{} lines are improperly formatted", bad_format);
fn cksum_output(res: &ChecksumResult, ignore_missing: bool, status: bool) {
if res.bad_format == 1 {
show_warning_caps!("{} line is improperly formatted", res.bad_format);
} else if res.bad_format > 1 {
show_warning_caps!("{} lines are improperly formatted", res.bad_format);
}
if !status {
if failed_cksum == 1 {
show_warning_caps!("{} computed checksum did NOT match", failed_cksum);
} else if failed_cksum > 1 {
show_warning_caps!("{} computed checksums did NOT match", failed_cksum);
if res.failed_cksum == 1 {
show_warning_caps!("{} computed checksum did NOT match", res.failed_cksum);
} else if res.failed_cksum > 1 {
show_warning_caps!("{} computed checksums did NOT match", res.failed_cksum);
}
}
if !ignore_missing {
if failed_open_file == 1 {
show_warning_caps!("{} listed file could not be read", failed_open_file);
} else if failed_open_file > 1 {
show_warning_caps!("{} listed files could not be read", failed_open_file);
if res.failed_open_file == 1 {
show_warning_caps!("{} listed file could not be read", res.failed_open_file);
} else if res.failed_open_file > 1 {
show_warning_caps!("{} listed files could not be read", res.failed_open_file);
}
}
}
@ -397,11 +399,13 @@ where
{
// if cksum has several input files, it will print the result for each file
for filename_input in files {
let mut bad_format = 0;
let mut failed_cksum = 0;
let mut failed_open_file = 0;
let mut correct_format = 0;
let mut properly_formatted = false;
let mut res = ChecksumResult {
bad_format: 0,
failed_cksum: 0,
failed_open_file: 0,
correct_format: 0,
properly_formatted: false,
};
let input_is_stdin = filename_input == OsStr::new("-");
let file: Box<dyn Read> = get_input_file(filename_input, input_is_stdin)?;
@ -413,7 +417,7 @@ where
for (i, line) in lines.iter().enumerate() {
if let Some(caps) = chosen_regex.captures(line) {
properly_formatted = true;
res.properly_formatted = true;
let mut filename_to_check = caps.name("filename").unwrap().as_str();
if filename_to_check.starts_with('*')
@ -436,14 +440,14 @@ where
// (for example SHA1 (f) = d...)
// Also handle the case cksum -s sm3 but the file contains other formats
if algo_name_input.is_some() && algo_name_input != Some(&algorithm) {
bad_format += 1;
properly_formatted = false;
res.bad_format += 1;
res.properly_formatted = false;
continue;
}
if !SUPPORTED_ALGORITHMS.contains(&algorithm.as_str()) {
// Not supported algo, leave early
properly_formatted = false;
res.properly_formatted = false;
continue;
}
@ -452,7 +456,7 @@ where
if bits_value % 8 == 0 {
Some(Some(bits_value / 8))
} else {
properly_formatted = false;
res.properly_formatted = false;
None // Return None to signal a divisibility issue
}
});
@ -474,13 +478,13 @@ where
if is_algo_based_format && algo_name_input.map_or(false, |input| algo_name != input)
{
bad_format += 1;
res.bad_format += 1;
continue;
}
if algo_name.is_empty() {
// we haven't been able to detect the algo name. No point to continue
properly_formatted = false;
res.properly_formatted = false;
continue;
}
let mut algo = detect_algo(&algo_name, length)?;
@ -508,7 +512,7 @@ where
show!(err.map_err_context(|| filename_to_check.to_string()));
println!("{}: FAILED open or read", filename_to_check);
}
failed_open_file += 1;
res.failed_open_file += 1;
// we could not open the file but we want to continue
continue;
@ -528,12 +532,12 @@ where
if !quiet && !status {
println!("{prefix}{filename_to_check}: OK");
}
correct_format += 1;
res.correct_format += 1;
} else {
if !status {
println!("{prefix}{filename_to_check}: FAILED");
}
failed_cksum += 1;
res.failed_cksum += 1;
}
} else {
if line.is_empty() {
@ -555,13 +559,13 @@ where
);
}
bad_format += 1;
res.bad_format += 1;
}
}
// not a single line correctly formatted found
// return an error
if !properly_formatted {
if !res.properly_formatted {
if !status {
return Err(ChecksumError::NoProperlyFormattedChecksumLinesFound {
filename: get_filename_for_output(filename_input, input_is_stdin),
@ -573,7 +577,7 @@ where
return Ok(());
}
if ignore_missing && correct_format == 0 {
if ignore_missing && res.correct_format == 0 {
// we have only bad format
// and we had ignore-missing
eprintln!(
@ -585,24 +589,18 @@ where
}
// strict means that we should have an exit code.
if strict && bad_format > 0 {
if strict && res.bad_format > 0 {
set_exit_code(1);
}
// if we have any failed checksum verification, we set an exit code
// except if we have ignore_missing
if (failed_cksum > 0 || failed_open_file > 0) && !ignore_missing {
if (res.failed_cksum > 0 || res.failed_open_file > 0) && !ignore_missing {
set_exit_code(1);
}
// if any incorrectly formatted line, show it
cksum_output(
bad_format,
failed_cksum,
failed_open_file,
ignore_missing,
status,
);
cksum_output(&res, ignore_missing, status);
}
Ok(())
}