Commit 58eb7ab5 authored by Steven Fackler's avatar Steven Fackler
Browse files

Create contexts

parent 6afafafe

src/ssl/ffi.rs

0 → 100644
+14 −0
Original line number Diff line number Diff line 
use std::libc::{c_int, c_void};



pub type SSL_CTX = c_void;

pub type SSL_METHOD = c_void;



#[link_args = "-lssl"]

extern "C" {

    fn SSL_library_init() -> c_int;

    fn SSL_load_error_strings();



    fn SSL_CTX_new(method: *SSL_METHOD) -> *SSL_CTX;

    fn SSLv23_method() -> *SSL_METHOD;

    fn SSL_CTX_free(ctx: *SSL_CTX);

}

src/ssl/lib.rs

+47 −8
Original line number Diff line number Diff line 
use std::unstable::atomics::{AtomicBool, INIT_ATOMIC_BOOL, Acquire, Release};

use std::task;



mod ffi {

    use std::libc::{c_int};

mod ffi;



    #[link_args = "-lssl"]

    extern "C" {

        fn SSL_library_init() -> c_int;

        fn SSL_load_error_strings();

    }

}

static mut STARTED_INIT: AtomicBool = INIT_ATOMIC_BOOL;

static mut FINISHED_INIT: AtomicBool = INIT_ATOMIC_BOOL;



#[fixed_stack_segment]

pub fn init() {

    unsafe {

        if STARTED_INIT.swap(true, Acquire) {

            while !FINISHED_INIT.load(Release) {

                task::deschedule();

            }

            return;

        }



        ffi::SSL_library_init();

        ffi::SSL_load_error_strings();

        FINISHED_INIT.store(true, Release);

    }

}



pub enum SslMethod {

    Sslv23

}



impl SslMethod {

    #[fixed_stack_segment]

    unsafe fn to_raw(&self) -> *ffi::SSL_METHOD {

        match *self {

            Sslv23 => ffi::SSLv23_method()

        }

    }

}



pub struct SslCtx {

    priv ctx: *ffi::SSL_CTX

}



impl Drop for SslCtx {

    #[fixed_stack_segment]

    fn drop(&mut self) {

        unsafe { ffi::SSL_CTX_free(self.ctx); }

    }

}



impl SslCtx {

    #[fixed_stack_segment]

    pub fn new(method: SslMethod) -> SslCtx {

        init();

        SslCtx {

            ctx: unsafe { ffi::SSL_CTX_new(method.to_raw()) }

        }

    }

}

src/ssl/test.rs

+4 −2
Original line number Diff line number Diff line 
extern mod ssl;



use ssl::{Sslv23, SslCtx};



#[test]

fn test_init_works() {

    ssl::init();

fn test_new_ctx() {

    SslCtx::new(Sslv23);

}