diff options
Diffstat (limited to 'src/pinentry.rs')
| -rw-r--r-- | src/pinentry.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/pinentry.rs b/src/pinentry.rs index b4d2bb0..ce1227f 100644 --- a/src/pinentry.rs +++ b/src/pinentry.rs @@ -1,5 +1,6 @@ use crate::prelude::*; +use std::convert::TryFrom as _; use tokio::io::AsyncWriteExt as _; pub async fn getpin( @@ -163,7 +164,10 @@ fn percent_decode(buf: &mut [u8]) -> usize { if let Some(h) = char::from(buf[read_idx + 1]).to_digit(16) { #[allow(clippy::cast_possible_truncation)] if let Some(l) = char::from(buf[read_idx + 2]).to_digit(16) { - c = h as u8 * 0x10 + l as u8; + // h and l were parsed from a single hex digit, so they + // must be in the range 0-15, so these unwraps are safe + c = u8::try_from(h).unwrap() * 0x10 + + u8::try_from(l).unwrap(); read_idx += 2; } } |