Enum rustls::Error

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#[non_exhaustive]
pub enum Error {
Show 22 variants InappropriateMessage { expect_types: Vec<ContentType>, got_type: ContentType, }, InappropriateHandshakeMessage { expect_types: Vec<HandshakeType>, got_type: HandshakeType, }, InvalidEncryptedClientHello(EncryptedClientHelloError), InvalidMessage(InvalidMessage), NoCertificatesPresented, UnsupportedNameType, DecryptError, EncryptError, PeerIncompatible(PeerIncompatible), PeerMisbehaved(PeerMisbehaved), AlertReceived(AlertDescription), InvalidCertificate(CertificateError), InvalidCertRevocationList(CertRevocationListError), General(String), FailedToGetCurrentTime, FailedToGetRandomBytes, HandshakeNotComplete, PeerSentOversizedRecord, NoApplicationProtocol, BadMaxFragmentSize, InconsistentKeys(InconsistentKeys), Other(OtherError),
}
Expand description

rustls reports protocol errors using this type.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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InappropriateMessage

We received a TLS message that isn’t valid right now. expect_types lists the message types we can expect right now. got_type is the type we found. This error is typically caused by a buggy TLS stack (the peer or this one), a broken network, or an attack.

Fields

§expect_types: Vec<ContentType>

Which types we expected

§got_type: ContentType

What type we received

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InappropriateHandshakeMessage

We received a TLS handshake message that isn’t valid right now. expect_types lists the handshake message types we can expect right now. got_type is the type we found.

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§expect_types: Vec<HandshakeType>

Which handshake type we expected

§got_type: HandshakeType

What handshake type we received

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InvalidEncryptedClientHello(EncryptedClientHelloError)

An error occurred while handling Encrypted Client Hello (ECH).

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InvalidMessage(InvalidMessage)

The peer sent us a TLS message with invalid contents.

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NoCertificatesPresented

The peer didn’t give us any certificates.

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UnsupportedNameType

The certificate verifier doesn’t support the given type of name.

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DecryptError

We couldn’t decrypt a message. This is invariably fatal.

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EncryptError

We couldn’t encrypt a message because it was larger than the allowed message size. This should never happen if the application is using valid record sizes.

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PeerIncompatible(PeerIncompatible)

The peer doesn’t support a protocol version/feature we require. The parameter gives a hint as to what version/feature it is.

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PeerMisbehaved(PeerMisbehaved)

The peer deviated from the standard TLS protocol. The parameter gives a hint where.

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AlertReceived(AlertDescription)

We received a fatal alert. This means the peer is unhappy.

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InvalidCertificate(CertificateError)

We saw an invalid certificate.

The contained error is from the certificate validation trait implementation.

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InvalidCertRevocationList(CertRevocationListError)

A provided certificate revocation list (CRL) was invalid.

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General(String)

A catch-all error for unlikely errors.

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FailedToGetCurrentTime

We failed to figure out what time it currently is.

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FailedToGetRandomBytes

We failed to acquire random bytes from the system.

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HandshakeNotComplete

This function doesn’t work until the TLS handshake is complete.

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PeerSentOversizedRecord

The peer sent an oversized record/fragment.

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NoApplicationProtocol

An incoming connection did not support any known application protocol.

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BadMaxFragmentSize

The max_fragment_size value supplied in configuration was too small, or too large.

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InconsistentKeys(InconsistentKeys)

Specific failure cases from keys_match.

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Other(OtherError)

Any other error.

This variant should only be used when the error is not better described by a more specific variant. For example, if a custom crypto provider returns a provider specific error.

Enums holding this variant will never compare equal to each other.

Trait Implementations§

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impl Clone for Error

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fn clone(&self) -> Error

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Error

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for Error

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Error for Error

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fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl From<CertRevocationListError> for Error

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fn from(e: CertRevocationListError) -> Self

Converts to this type from the input type.
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impl From<CertificateError> for Error

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fn from(e: CertificateError) -> Self

Converts to this type from the input type.
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impl From<EncryptedClientHelloError> for Error

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fn from(e: EncryptedClientHelloError) -> Self

Converts to this type from the input type.
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impl From<GetRandomFailed> for Error

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fn from(_: GetRandomFailed) -> Self

Converts to this type from the input type.
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impl From<InconsistentKeys> for Error

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fn from(e: InconsistentKeys) -> Self

Converts to this type from the input type.
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impl From<InvalidMessage> for Error

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fn from(e: InvalidMessage) -> Self

Converts to this type from the input type.
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impl From<OtherError> for Error

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fn from(value: OtherError) -> Self

Converts to this type from the input type.
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impl From<PeerIncompatible> for Error

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fn from(e: PeerIncompatible) -> Self

Converts to this type from the input type.
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impl From<PeerMisbehaved> for Error

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fn from(e: PeerMisbehaved) -> Self

Converts to this type from the input type.
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impl From<SystemTimeError> for Error

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fn from(_: SystemTimeError) -> Self

Converts to this type from the input type.
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impl From<UnsupportedOperationError> for Error

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fn from(value: UnsupportedOperationError) -> Self

Converts to this type from the input type.
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impl PartialEq for Error

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fn eq(&self, other: &Error) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for Error

Auto Trait Implementations§

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impl Freeze for Error

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impl !RefUnwindSafe for Error

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impl Send for Error

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impl Sync for Error

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impl Unpin for Error

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impl !UnwindSafe for Error

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.