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proxmox-backup
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move normalize_path to tools::normalize_uri_path

This commit is contained in:
Dietmar Maurer 2019-05-07 09:44:34 +02:00
parent 96e95fc179
commit 3578d99f3e
2 changed files with 25 additions and 24 deletions
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25
src/server/rest.rs
View File

@ -488,29 +488,6 @@ fn check_auth(method: &hyper::Method, ticket: &Option<String>, token: &Option<St
Ok(username)
}
// normalize path
// do not allow ".", "..", or hidden files ".XXXX"
// also remove empty path components
fn normalize_path(path: &str) -> Result<(String, Vec<&str>), Error> {
let items = path.split('/');
let mut path = String::new();
let mut components = vec![];
for name in items {
if name.is_empty() { continue; }
if name.starts_with(".") {
bail!("Path contains illegal components.");
}
path.push('/');
path.push_str(name);
components.push(name);
}
Ok((path, components))
}
fn delayed_response(resp: Response<Body>, delay_unauth_time: std::time::Instant) -> BoxFut {
Box::new(tokio::timer::Delay::new(delay_unauth_time)
@ -524,7 +501,7 @@ pub fn handle_request(api: Arc<ApiConfig>, req: Request<Body>) -> BoxFut {
let method = parts.method.clone();
let (path, components) = match normalize_path(parts.uri.path()) {
let (path, components) = match tools::normalize_uri_path(parts.uri.path()) {
Ok((p,c)) => (p, c),
Err(err) => return Box::new(future::err(http_err!(BAD_REQUEST, err.to_string()))),
};

24
src/tools.rs
View File

@ -618,6 +618,30 @@ pub fn join(data: &Vec<String>, sep: char) -> String {
list
}
/// normalize uri path
///
/// Do not allow ".", "..", or hidden files ".XXXX"
/// Also remove empty path components
pub fn normalize_uri_path(path: &str) -> Result<(String, Vec<&str>), Error> {
let items = path.split('/');
let mut path = String::new();
let mut components = vec![];
for name in items {
if name.is_empty() { continue; }
if name.starts_with(".") {
bail!("Path contains illegal components.");
}
path.push('/');
path.push_str(name);
components.push(name);
}
Ok((path, components))
}
pub fn fd_change_cloexec(fd: RawFd, on: bool) -> Result<(), Error> {
use nix::fcntl::{fcntl, F_GETFD, F_SETFD, FdFlag};
let mut flags = FdFlag::from_bits(fcntl(fd, F_GETFD)?)