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Impl From for SslVersion

This commit is contained in:
Rushil Mehra 2024-07-22 18:00:23 -07:00 committed by Rushil Mehra
parent c7fd3249a7
commit 4fe43f85d1
1 changed files with 23 additions and 0 deletions
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23
boring/src/ssl/mod.rs
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@ -533,6 +533,10 @@ impl SelectCertError {
} }
/// Extension types, to be used with `ClientHello::get_extension`. /// Extension types, to be used with `ClientHello::get_extension`.
///
/// NOTE: The current implementation of `From` is unsound, as it's possible to create an ExtensionType
/// that is not defined by the impl. `From` will be deprecated in favor of `TryFrom` in the next
/// major bump of the library.
#[derive(Debug, Copy, Clone, PartialEq, Eq)] #[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub struct ExtensionType(u16); pub struct ExtensionType(u16);
@ -598,6 +602,21 @@ impl SslVersion {
pub const TLS1_3: SslVersion = SslVersion(ffi::TLS1_3_VERSION as _); pub const TLS1_3: SslVersion = SslVersion(ffi::TLS1_3_VERSION as _);
} }
impl TryFrom<u16> for SslVersion {
type Error = &'static str;
fn try_from(value: u16) -> Result<Self, Self::Error> {
match value as i32 {
ffi::SSL3_VERSION
| ffi::TLS1_VERSION
| ffi::TLS1_1_VERSION
| ffi::TLS1_2_VERSION
| ffi::TLS1_3_VERSION => Ok(Self(value)),
_ => Err("Unknown SslVersion"),
}
}
}
impl fmt::Debug for SslVersion { impl fmt::Debug for SslVersion {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match *self { f.write_str(match *self {
@ -625,6 +644,10 @@ impl fmt::Display for SslVersion {
} }
/// A signature verification algorithm. /// A signature verification algorithm.
///
/// NOTE: The current implementation of `From` is unsound, as it's possible to create an
/// SslSignatureAlgorithm that is not defined by the impl. `From` will be deprecated in favor of
/// `TryFrom` in the next major bump of the library.
#[repr(transparent)] #[repr(transparent)]
#[derive(Debug, Copy, Clone, PartialEq, Eq)] #[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub struct SslSignatureAlgorithm(u16); pub struct SslSignatureAlgorithm(u16);