Re: [Libevent-users] https support within libevent

[Mark Ellzey <mthomas@xxxxxxxxxx>]

On Tue, Aug 30, 2011 at 09:56:01PM +0200, Graham Leggett wrote:
> Hi all,
> 
> I have seen mention of support for https from within libevent, but
> I'm struggling to find details of where to find it. Is there any
> example code anywhere to show how one might support such a thing?
> 

There is no direct HTTP+SSL (https) support in libevent that I know of.
If there is, it's a manual process. 

But you are welcome to try out libevhtp (https://github.com/ellzey/libevhtp) which
does include native https support. 

The API works much like the current evhttp API but has more
functionality.

An example can be found here:
https://github.com/ellzey/libevhtp/blob/master/test.c

To be more specific with HTTPS, check here:
https://github.com/ellzey/libevhtp/blob/master/test.c#L347

With this you can create a HTTPS server in a flash:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <evhtp.h>

void
my_default_callback(evhtp_request_t * request, void * arg) {
    evhtp_send_reply(request, EVHTP_RES_OK);
}

int
main(int argc, char ** argv) {
    struct event_base * evbase = event_base_new();
    evhtp_t           * htp    = evhtp_new(evbase, NULL);

    memset(&sslcfg, 0, sizeof(evhtp_ssl_cfg_t));

    sslcfg.pemfile        = "./server.crt";
    sslcfg.privfile       = "./server.key";
    sslcfg.scache_type    = evhtp_ssl_scache_type_internal;
    sslcfg.scache_timeout = 5000;

    evhtp_ssl_init(htp, &sslcfg);                                                                                                                                                        
    evhtp_set_gencb(htp, my_default_callback, NULL);
    evhtp_bind_socket(htp, "0.0.0.0", 4433);

    event_base_loop(evbase, 0); 

    return 0;
}

bam, now you have a http server listening on port 4433
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