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StorePath::new(): Check store directory

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This commit is contained in:
Eelco Dolstra 2019-12-16 17:41:56 +01:00
parent 410acd29c0
commit 14d82baba4
3 changed files with 10 additions and 3 deletions
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3
nix-rust/src/c.rs
View file

@ -34,7 +34,8 @@ pub extern "C" fn ffi_StorePath_new(
path: &str, path: &str,
store_dir: &str, store_dir: &str,
) -> Result<StorePath, error::CppException> { ) -> Result<StorePath, error::CppException> {
StorePath::new(std::path::Path::new(path), store_dir).map_err(|err| err.into()) StorePath::new(std::path::Path::new(path), std::path::Path::new(store_dir))
.map_err(|err| err.into())
} }
#[no_mangle] #[no_mangle]

4
nix-rust/src/error.rs
View file

@ -4,6 +4,7 @@ use std::fmt;
pub enum Error { pub enum Error {
InvalidPath(crate::store::StorePath), InvalidPath(crate::store::StorePath),
BadStorePath(std::path::PathBuf), BadStorePath(std::path::PathBuf),
NotInStore(std::path::PathBuf),
BadNarInfo, BadNarInfo,
BadBase32, BadBase32,
StorePathNameEmpty, StorePathNameEmpty,
@ -46,6 +47,9 @@ impl fmt::Display for Error {
Error::InvalidPath(_) => write!(f, "invalid path"), Error::InvalidPath(_) => write!(f, "invalid path"),
Error::BadNarInfo => write!(f, ".narinfo file is corrupt"), Error::BadNarInfo => write!(f, ".narinfo file is corrupt"),
Error::BadStorePath(path) => write!(f, "path '{}' is not a store path", path.display()), Error::BadStorePath(path) => write!(f, "path '{}' is not a store path", path.display()),
Error::NotInStore(path) => {
write!(f, "path '{}' is not in the Nix store", path.display())
}
Error::BadBase32 => write!(f, "invalid base32 string"), Error::BadBase32 => write!(f, "invalid base32 string"),
Error::StorePathNameEmpty => write!(f, "store path name is empty"), Error::StorePathNameEmpty => write!(f, "store path name is empty"),
Error::StorePathNameTooLong => { Error::StorePathNameTooLong => {

6
nix-rust/src/store/path.rs
View file

@ -13,8 +13,10 @@ pub const STORE_PATH_HASH_BYTES: usize = 20;
pub const STORE_PATH_HASH_CHARS: usize = 32; pub const STORE_PATH_HASH_CHARS: usize = 32;
impl StorePath { impl StorePath {
pub fn new(path: &Path, _store_dir: &str) -> Result<Self, Error> { pub fn new(path: &Path, store_dir: &Path) -> Result<Self, Error> {
// FIXME: check store_dir if path.parent() != Some(store_dir) {
return Err(Error::NotInStore(path.into()));
}
Self::new_from_base_name( Self::new_from_base_name(
path.file_name() path.file_name()
.ok_or(Error::BadStorePath(path.into()))? .ok_or(Error::BadStorePath(path.into()))?