diff options
| -rw-r--r-- | tvix/nix-compat/src/store_path/mod.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tvix/nix-compat/src/store_path/mod.rs b/tvix/nix-compat/src/store_path/mod.rs index 781e32932563..0ed6b2ba0754 100644 --- a/tvix/nix-compat/src/store_path/mod.rs +++ b/tvix/nix-compat/src/store_path/mod.rs @@ -151,6 +151,16 @@ impl StorePath { /// Checks a given &[u8] to match the restrictions for store path names, and /// returns the name as string if successful. pub(crate) fn validate_name(s: &[u8]) -> Result<String, Error> { + // Empty names are not allowed. + if s.is_empty() { + return Err(Error::InvalidLength()); + } + + // First character cannot be a period + if s[0] == b'.' { + return Err(Error::InvalidName(s.to_vec(), 0)); + } + for (i, c) in s.iter().enumerate() { if c.is_ascii_alphanumeric() || *c == b'-' |