fix(runtime): require full read and write permissions to create symlinks (#12554)

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David Sherret 2021-10-29 17:05:55 -04:00 committed by GitHub
parent b7341438f2
commit d44011a69e
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3 changed files with 34 additions and 4 deletions

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@ -2347,7 +2347,7 @@ declare namespace Deno {
* Deno.symlinkSync("old/name", "new/name");
* ```
*
* Requires `allow-write` permission. */
* Requires full `allow-read` and `allow-write` permissions. */
export function symlinkSync(
oldpath: string | URL,
newpath: string | URL,
@ -2364,7 +2364,7 @@ declare namespace Deno {
* await Deno.symlink("old/name", "new/name");
* ```
*
* Requires `allow-write` permission. */
* Requires full `allow-read` and `allow-write` permissions. */
export function symlink(
oldpath: string | URL,
newpath: string | URL,

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@ -108,3 +108,31 @@ unitTest(
);
},
);
unitTest(
{ permissions: { read: true, write: ["."] } },
async function symlinkNoFullWritePermissions() {
await assertRejects(
() => Deno.symlink("old", "new"),
Deno.errors.PermissionDenied,
);
assertThrows(
() => Deno.symlinkSync("old", "new"),
Deno.errors.PermissionDenied,
);
},
);
unitTest(
{ permissions: { read: ["."], write: true } },
async function symlinkNoFullReadPermissions() {
await assertRejects(
() => Deno.symlink("old", "new"),
Deno.errors.PermissionDenied,
);
assertThrows(
() => Deno.symlinkSync("old", "new"),
Deno.errors.PermissionDenied,
);
},
);

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@ -1370,7 +1370,8 @@ fn op_symlink_sync(
let oldpath = PathBuf::from(&args.oldpath);
let newpath = PathBuf::from(&args.newpath);
state.borrow_mut::<Permissions>().write.check(&newpath)?;
state.borrow_mut::<Permissions>().write.check_all()?;
state.borrow_mut::<Permissions>().read.check_all()?;
debug!(
"op_symlink_sync {} {}",
@ -1432,7 +1433,8 @@ async fn op_symlink_async(
{
let mut state = state.borrow_mut();
state.borrow_mut::<Permissions>().write.check(&newpath)?;
state.borrow_mut::<Permissions>().write.check_all()?;
state.borrow_mut::<Permissions>().read.check_all()?;
}
tokio::task::spawn_blocking(move || {