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Revert "Revert "Accept only decimal digits in file names inside snapshot (#21213) (#21281)""

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This reverts commit 23be4d89ef.
This commit is contained in:
Tyera Eulberg
2021-12-16 13:48:54 -07:00
committed by Tyera Eulberg
parent 2a43a89eca
commit f4113d24b4
1 changed files with 10 additions and 2 deletions
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12
runtime/src/hardened_unpack.rs
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@ -346,7 +346,7 @@ fn all_digits(v: &str) -> bool {
return false;
}
for x in v.chars() {
if !x.is_numeric() {
if !x.is_digit(10) {
return false;
}
}
@ -357,7 +357,7 @@ fn like_storage(v: &str) -> bool {
let mut periods = 0;
let mut saw_numbers = false;
for x in v.chars() {
if !x.is_numeric() {
if !x.is_digit(10) {
if x == '.' {
if periods > 0 || !saw_numbers {
return false;
@ -521,6 +521,10 @@ mod tests {
&["snapshots", "0x"],
tar::EntryType::Directory
));
assert!(!is_valid_snapshot_archive_entry(
&["snapshots", "①"],
tar::EntryType::Directory
));
assert!(!is_valid_snapshot_archive_entry(
&["snapshots", "0", "aa"],
tar::EntryType::Regular
@ -567,6 +571,10 @@ mod tests {
&["accounts", "232323"],
tar::EntryType::Regular
));
assert!(!is_valid_snapshot_archive_entry(
&["accounts", "৬.¾"],
tar::EntryType::Regular
));
}
#[test]