* Copyright © 2006 Pierre Habouzit
*/
+#include <pthread.h>
#include <sys/epoll.h>
#include <sys/socket.h>
#ifndef EPOLLRDHUP
#include "mutt.h"
#include "mutt_ssl.li"
+DO_ARRAY_TYPE(job_t, job);
+
static int epollfd = -1;
+static job_array jobs;
static int el_job_setemode(job_t *w, el_mode emode)
{
gnutls_deinit(w->session);
}
+static void job_arrau_dtor(job_t **j)
+{
+ if (*j)
+ IGNORE(el_job_release(*j, EL_KILLED));
+}
+
+DO_ARRAY_FUNCS(job_t, job, job_arrau_dtor);
+
+static void job_array_remove(job_array *arr, job_t *j)
+{
+ for (int i = 0; i < arr->len; i++) {
+ if (arr->arr[i] == j) {
+ job_array_take(arr, i);
+ break;
+ }
+ }
+}
+
+job_t *el_job_start(const machine_t *m, void *cfg)
+{
+ job_t *w = job_new();
+ w->m = m;
+ job_array_append(&jobs, w);
+ return m->setup(w, cfg) < 0 ? NULL : w;
+}
+
int el_job_release(job_t *w, el_status reason)
{
w->state = EL_LLP_FINI;
gnutls_bye(w->session, GNUTLS_SHUT_RDWR);
close(w->fd);
}
+ job_array_remove(&jobs, w);
job_delete(&w);
return -1;
}
-static int el_job_connecting_ssl(job_t *w)
+static int el_job_tlsing(job_t *w, int starttls)
{
int err = gnutls_handshake(w->session);
-
if (err < 0 && !gnutls_error_is_fatal(err)) {
int wr = gnutls_record_get_direction(w->session);
return el_job_setemode(w, wr ? EL_WRITING : EL_READING);
#if 0
if (!tls_check_certificate (conn))
return -1;
+#endif
/* set Security Strength Factor (SSF) for SASL */
/* NB: gnutls_cipher_get_key_size() returns key length in bytes */
- conn->ssf = gnutls_cipher_get_key_size(gnutls_cipher_get(w->session)) * 8;
-#endif
+ w->ssf = gnutls_cipher_get_key_size(gnutls_cipher_get(w->session)) * 8;
w->state = EL_LLP_READY;
+ if (starttls)
+ return el_job_setemode(w, w->mode);
return w->m->on_event(w, EL_EVT_RUNNING);
}
+static int el_job_starttlsing(job_t *w)
+{
+ return el_job_tlsing(w, true);
+}
+
+static int el_job_connecting_ssl(job_t *w)
+{
+ return el_job_tlsing(w, false);
+}
+
static int el_job_connecting(job_t *w)
{
int err = 0;
return w->m->on_event(w, EL_EVT_RUNNING);
}
-static int tls_negociate(job_t *w)
+static int tls_negotiate(job_t *w)
{
static int protocol_priority[] = { GNUTLS_TLS1, GNUTLS_SSL3, 0 };
goto error;
w->fd = sock;
- if (ssl && tls_negociate(w) < 0)
+ if (ssl && tls_negotiate(w) < 0)
goto error;
w->llp = &el_job_connecting;
return el_job_release(w, EL_ERROR);
}
+int el_job_starttls(job_t *w)
+{
+ if (tls_negotiate(w) < 0)
+ return el_job_release(w, EL_RDHUP);
+ w->state = EL_LLP_INIT;
+ w->llp = &el_job_starttlsing;
+ return w->llp(w);
+}
+
ssize_t el_job_read(job_t *w, buffer_t *buf)
{
ssize_t nr;
int event = events[count].events;
int evt = 0;
+ gettimeofday(&w->mru, NULL);
switch (w->state) {
case EL_LLP_INIT:
w->llp(w);
return 0;
}
+
+void *el_loop(void *data)
+{
+ time_t sec = time(NULL);
+
+ for (;;) {
+ struct timeval now;
+
+ el_dispatch(100);
+ pthread_testcancel();
+
+ gettimeofday(&now, NULL);
+ if (sec >= now.tv_sec)
+ continue;
+ sec = now.tv_sec;
+ now.tv_sec -= 10;
+ for (int i = jobs.len - 1; i >= 0; --i) {
+ job_t *w = jobs.arr[i];
+ if (timercmp(&now, &w->mru, >))
+ IGNORE(w->m->on_event(w, EL_EVT_WAKEUP));
+ }
+ }
+}
+
+void el_initialize(void)
+{
+ gnutls_global_init();
+ epollfd = epoll_create(1024);
+ if (epollfd < 0) {
+ mutt_error("epoll_create");
+ mutt_exit(EXIT_FAILURE);
+ }
+ job_array_init(&jobs);
+}
+
+void el_shutdown(void)
+{
+ job_array_wipe(&jobs);
+ close(epollfd);
+ gnutls_global_deinit();
+}