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|
//! Maps various errors to status codes.
use std::io;
use libc::c_char;
use sequoia_openpgp as openpgp;
use crate::MoveIntoRaw;
use crate::RefRaw;
/// Complex errors.
///
/// This wraps [`anyhow::Error`]s.
///
/// [`anyhow::Error`]: https://docs.rs/failure/0.1.5/failure/struct.Error.html
#[crate::ffi_wrapper_type(prefix = "pgp_", derive = "Display")]
pub struct Error(anyhow::Error);
impl<T> From<anyhow::Result<T>> for Status {
fn from(f: anyhow::Result<T>) -> crate::error::Status {
match f {
Ok(_) => crate::error::Status::Success,
Err(e) => crate::error::Status::from(&e),
}
}
}
impl crate::MoveResultIntoRaw<crate::error::Status> for ::anyhow::Result<()>
{
fn move_into_raw(self, errp: Option<&mut *mut crate::error::Error>)
-> crate::error::Status {
match self {
Ok(_) => crate::error::Status::Success,
Err(e) => {
let status = crate::error::Status::from(&e);
if let Some(errp) = errp {
*errp = e.move_into_raw();
}
status
},
}
}
}
/// Returns the error status code.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C" fn pgp_error_status(error: *const Error)
-> Status {
error.ref_raw().into()
}
/// XXX: Reorder and name-space before release.
#[derive(PartialEq, Debug)]
#[repr(C)]
pub enum Status {
/// The operation was successful.
Success = 0,
/// An unknown error occurred.
UnknownError = -1,
/// The network policy was violated by the given action.
NetworkPolicyViolation = -2,
/// An IO error occurred.
IoError = -3,
/// A given argument is invalid.
InvalidArgument = -15,
/// The requested operation is invalid.
InvalidOperation = -4,
/// The packet is malformed.
MalformedPacket = -5,
/// Packet size exceeds the configured limit.
PacketTooLarge = -29,
/// Unsupported packet type.
UnsupportedPacketType = -14,
/// Unsupported hash algorithm.
UnsupportedHashAlgorithm = -9,
/// Unsupported public key algorithm.
UnsupportedPublicKeyAlgorithm = -18,
/// Unsupported elliptic curve.
UnsupportedEllipticCurve = -21,
/// Unsupported symmetric algorithm.
UnsupportedSymmetricAlgorithm = -10,
/// Unsupported AEAD algorithm.
UnsupportedAEADAlgorithm = -26,
/// Unsupported Compression algorithm.
UnsupportedCompressionAlgorithm = -28,
/// Unsupported signature type.
UnsupportedSignatureType = -20,
/// Invalid password.
InvalidPassword = -11,
/// Invalid session key.
InvalidSessionKey = -12,
/// Missing session key.
MissingSessionKey = -27,
/// Malformed Cert.
MalformedCert = -13,
// XXX: Skipping UnsupportedPacketType = -14.
// XXX: Skipping InvalidArgument = -15.
/// Malformed MPI.
MalformedMPI = -16,
// XXX: Skipping UnknownPublicKeyAlgorithm = -17.
// XXX: Skipping UnsupportedPublicKeyAlgorithm = -18
/// Bad signature.
BadSignature = -19,
/// Message has been manipulated.
ManipulatedMessage = -25,
// XXX: Skipping UnsupportedSignatureType = -20
// XXX: Skipping UnsupportedEllipticCurve = -21
/// Malformed message.
MalformedMessage = -22,
/// Index out of range.
IndexOutOfRange = -23,
/// Cert not supported.
UnsupportedCert = -24,
// XXX: Skipping ManipulatedMessage = -25
// XXX: Skipping UnsupportedAEADAlgorithm = -26
// XXX: Skipping MissingSessionKey = -27
// XXX: Skipping UnsupportedCompressionAlgorithm = -28
// XXX: Skipping PacketTooLarge = -29
/// Expired.
Expired = -30,
/// Not yet live.
NotYetLive = -31,
/// No binding signature.
NoBindingSignature = -32,
/// Invalid key.
InvalidKey = -33,
/// Policy violation.
PolicyViolation = -34,
}
/// Returns the error message.
///
/// The returned value must *not* be freed.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C" fn pgp_status_to_string(status: Status) -> *const c_char {
use crate::error::Status::*;
match status {
Success => "Success\x00",
UnknownError => "An unknown error occurred\x00",
NetworkPolicyViolation =>
"The network policy was violated by the given action\x00",
IoError => "An IO error occurred\x00",
InvalidArgument => "A given argument is invalid\x00",
InvalidOperation => "The requested operation is invalid\x00",
MalformedPacket => "The packet is malformed\x00",
PacketTooLarge => "Packet size exceeds the configured limit\x00",
UnsupportedPacketType => "Unsupported packet type\x00",
UnsupportedHashAlgorithm => "Unsupported hash algorithm\x00",
UnsupportedPublicKeyAlgorithm =>
"Unsupported public key algorithm\x00",
UnsupportedEllipticCurve => "Unsupported elliptic curve\x00",
UnsupportedSymmetricAlgorithm =>
"Unsupported symmetric algorithm\x00",
UnsupportedAEADAlgorithm => "Unsupported AEAD algorithm\x00",
UnsupportedCompressionAlgorithm =>
"Unsupported compression algorithm\x00",
UnsupportedSignatureType => "Unsupported signature type\x00",
InvalidPassword => "Invalid password\x00",
InvalidSessionKey => "Invalid session key\x00",
MissingSessionKey => "Missing session key\x00",
MalformedCert => "Malformed Cert\x00",
MalformedMPI => "Malformed MPI\x00",
BadSignature => "Bad signature\x00",
ManipulatedMessage => "Message has been manipulated\x00",
MalformedMessage => "Malformed message\x00",
IndexOutOfRange => "Index out of range\x00",
UnsupportedCert => "Cert not supported\x00",
Expired => "Expired\x00",
NotYetLive => "Not yet live\x00",
NoBindingSignature => "No binding signature\x00",
InvalidKey => "Invalid key\x00",
PolicyViolation => "Policy violation\x00",
}.as_bytes().as_ptr() as *const c_char
}
impl<'a> From<&'a anyhow::Error> for Status {
fn from(e: &'a anyhow::Error) -> Self {
if let Some(e) = e.downcast_ref::<openpgp::Error>() {
return match e {
&openpgp::Error::InvalidArgument(_) =>
Status::InvalidArgument,
&openpgp::Error::InvalidOperation(_) =>
Status::InvalidOperation,
&openpgp::Error::MalformedPacket(_) =>
Status::MalformedPacket,
&openpgp::Error::PacketTooLarge(_, _, _) =>
Status::PacketTooLarge,
&openpgp::Error::UnsupportedPacketType(_) =>
Status::UnsupportedPacketType,
&openpgp::Error::UnsupportedHashAlgorithm(_) =>
Status::UnsupportedHashAlgorithm,
&openpgp::Error::UnsupportedPublicKeyAlgorithm(_) =>
Status::UnsupportedPublicKeyAlgorithm,
&openpgp::Error::UnsupportedEllipticCurve(_) =>
Status::UnsupportedEllipticCurve,
&openpgp::Error::UnsupportedSymmetricAlgorithm(_) =>
Status::UnsupportedSymmetricAlgorithm,
&openpgp::Error::UnsupportedAEADAlgorithm(_) =>
Status::UnsupportedAEADAlgorithm,
&openpgp::Error::UnsupportedCompressionAlgorithm(_) =>
|
