74 lines
1.9 KiB
Rust
74 lines
1.9 KiB
Rust
use libc::c_ulong;
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use std::io::IoError;
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use std::c_str::CString;
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use ffi;
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/// An SSL error
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#[deriving(Show, Clone, PartialEq, Eq)]
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pub enum SslError {
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/// The underlying stream has reported an error
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StreamError(IoError),
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/// The SSL session has been closed by the other end
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SslSessionClosed,
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/// An error in the OpenSSL library
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OpenSslErrors(Vec<OpensslError>)
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}
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/// An error from the OpenSSL library
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#[deriving(Show, Clone, PartialEq, Eq)]
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pub enum OpensslError {
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/// An unknown error
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UnknownError {
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/// The library reporting the error
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library: String,
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/// The function reporting the error
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function: String,
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/// The reason for the error
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reason: String
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}
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}
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fn get_lib(err: c_ulong) -> String {
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unsafe { CString::new(ffi::ERR_lib_error_string(err), false) }.to_string()
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}
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fn get_func(err: c_ulong) -> String {
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unsafe { CString::new(ffi::ERR_func_error_string(err), false).to_string() }
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}
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fn get_reason(err: c_ulong) -> String {
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unsafe { CString::new(ffi::ERR_reason_error_string(err), false).to_string() }
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}
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#[test]
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fn test_uknown_error_should_have_correct_messages() {
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let err = 336032784;
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let library = get_lib(err);
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let function = get_func(err);
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let reason = get_reason(err);
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assert_eq!(library.as_slice(),"20");
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assert_eq!(function.as_slice(), "119");
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assert_eq!(reason.as_slice(), "1040");
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}
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impl SslError {
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/// Creates a new `OpenSslErrors` with the current contents of the error
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/// stack.
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pub fn get() -> SslError {
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let mut errs = vec!();
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loop {
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match unsafe { ffi::ERR_get_error() } {
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0 => break,
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err => errs.push(UnknownError {
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library: get_lib(err),
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function: get_func(err),
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reason: get_reason(err)
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})
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}
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}
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OpenSslErrors(errs)
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}
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}
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