예제 #1
0
파일: queue.c 프로젝트: appleorange1/bitrig
static void
queue_bounce(struct envelope *e, struct delivery_bounce *d)
{
	struct envelope	b;

	b = *e;
	b.type = D_BOUNCE;
	b.agent.bounce = *d;
	b.retry = 0;
	b.lasttry = 0;
	b.creation = time(NULL);
	b.expire = 3600 * 24 * 7;

	if (e->dsn_notify & DSN_NEVER)
		return;

	if (b.id == 0)
		log_warnx("warn: queue_bounce: evpid=0");
	if (evpid_to_msgid(b.id) == 0)
		log_warnx("warn: queue_bounce: msgid=0, evpid=%016"PRIx64,
			b.id);
	if (e->type == D_BOUNCE) {
		log_warnx("warn: queue: double bounce!");
	} else if (e->sender.user[0] == '\0') {
		log_warnx("warn: queue: no return path!");
	} else if (!queue_envelope_create(&b)) {
		log_warnx("warn: queue: cannot bounce!");
	} else {
		log_debug("debug: queue: bouncing evp:%016" PRIx64
		    " as evp:%016" PRIx64, e->id, b.id);

		m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_SUBMIT, 0, 0, -1);
		m_add_envelope(p_scheduler, &b);
		m_close(p_scheduler);

		m_create(p_scheduler, IMSG_QUEUE_MESSAGE_COMMIT, 0, 0, -1);
		m_add_msgid(p_scheduler, evpid_to_msgid(b.id));
		m_close(p_scheduler);

		stat_increment("queue.bounce", 1);
	}
}
예제 #2
0
파일: queue.c 프로젝트: appleorange1/bitrig
static void
queue_timeout(int fd, short event, void *p)
{
	static uint32_t	 msgid = 0;
	struct envelope	 evp;
	struct event	*ev = p;
	struct timeval	 tv;
	int		 r;

	r = queue_envelope_walk(&evp);
	if (r == -1) {
		if (msgid) {
			m_create(p_scheduler, IMSG_QUEUE_MESSAGE_COMMIT,
			    0, 0, -1);
			m_add_msgid(p_scheduler, msgid);
			m_close(p_scheduler);
		}
		log_debug("debug: queue: done loading queue into scheduler");
		return;
	}

	if (r) {
		if (msgid && evpid_to_msgid(evp.id) != msgid) {
			m_create(p_scheduler, IMSG_QUEUE_MESSAGE_COMMIT,
			    0, 0, -1);
			m_add_msgid(p_scheduler, msgid);
			m_close(p_scheduler);
		}
		msgid = evpid_to_msgid(evp.id);
		m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_SUBMIT, 0, 0, -1);
		m_add_envelope(p_scheduler, &evp);
		m_close(p_scheduler);
	}

	tv.tv_sec = 0;
	tv.tv_usec = 10;
	evtimer_add(ev, &tv);
}
예제 #3
0
static void
queue_msgid_walk(int fd, short event, void *arg)
{
	struct envelope		 evp;
	struct timeval		 tv;
	struct msg_walkinfo	*wi = arg;
	int			 r;

	r = queue_message_walk(&evp, wi->msgid, &wi->done, &wi->data);
	if (r == -1) {
		if (wi->n_evp) {
			m_create(p_scheduler, IMSG_QUEUE_DISCOVER_MSGID,
			    0, 0, -1);
			m_add_msgid(p_scheduler, wi->msgid);
			m_close(p_scheduler);
		}

		m_compose(p_control, IMSG_CTL_DISCOVER_MSGID, wi->peerid, 0, -1,
		    &wi->n_evp, sizeof wi->n_evp);
		evtimer_del(&wi->ev);
		free(wi);
		return;
	}

	if (r) {
		m_create(p_scheduler, IMSG_QUEUE_DISCOVER_EVPID, 0, 0, -1);
		m_add_envelope(p_scheduler, &evp);
		m_close(p_scheduler);
		wi->n_evp += 1;
	}

	tv.tv_sec = 0;
	tv.tv_usec = 10;
	evtimer_set(&wi->ev, queue_msgid_walk, wi);
	evtimer_add(&wi->ev, &tv);
}
예제 #4
0
파일: queue.c 프로젝트: appleorange1/bitrig
static void
queue_imsg(struct mproc *p, struct imsg *imsg)
{
	struct delivery_bounce	 bounce;
	struct bounce_req_msg	*req_bounce;
	struct envelope		 evp;
	struct msg		 m;
	const char		*reason;
	uint64_t		 reqid, evpid, holdq;
	uint32_t		 msgid;
	time_t			 nexttry;
	int			 fd, mta_ext, ret, v, flags, code;

	memset(&bounce, 0, sizeof(struct delivery_bounce));
	if (p->proc == PROC_PONY) {

		switch (imsg->hdr.type) {
		case IMSG_SMTP_MESSAGE_CREATE:
			m_msg(&m, imsg);
			m_get_id(&m, &reqid);
			m_end(&m);

			ret = queue_message_create(&msgid);

			m_create(p, IMSG_SMTP_MESSAGE_CREATE, 0, 0, -1);
			m_add_id(p, reqid);
			if (ret == 0)
				m_add_int(p, 0);
			else {
				m_add_int(p, 1);
				m_add_msgid(p, msgid);
			}
			m_close(p);
			return;

		case IMSG_SMTP_MESSAGE_ROLLBACK:
			m_msg(&m, imsg);
			m_get_msgid(&m, &msgid);
			m_end(&m);

			queue_message_delete(msgid);

			m_create(p_scheduler, IMSG_QUEUE_MESSAGE_ROLLBACK,
			    0, 0, -1);
			m_add_msgid(p_scheduler, msgid);
			m_close(p_scheduler);
			return;

		case IMSG_SMTP_MESSAGE_COMMIT:
			m_msg(&m, imsg);
			m_get_id(&m, &reqid);
			m_get_msgid(&m, &msgid);
			m_end(&m);

			ret = queue_message_commit(msgid);

			m_create(p, IMSG_SMTP_MESSAGE_COMMIT, 0, 0, -1);
			m_add_id(p, reqid);
			m_add_int(p, (ret == 0) ? 0 : 1);
			m_close(p);

			if (ret) {
				m_create(p_scheduler, IMSG_QUEUE_MESSAGE_COMMIT,
				    0, 0, -1);
				m_add_msgid(p_scheduler, msgid);
				m_close(p_scheduler);
			}
			return;

		case IMSG_SMTP_MESSAGE_OPEN:
			m_msg(&m, imsg);
			m_get_id(&m, &reqid);
			m_get_msgid(&m, &msgid);
			m_end(&m);

			fd = queue_message_fd_rw(msgid);

			m_create(p, IMSG_SMTP_MESSAGE_OPEN, 0, 0, fd);
			m_add_id(p, reqid);
			m_add_int(p, (fd == -1) ? 0 : 1);
			m_close(p);
			return;

		case IMSG_QUEUE_SMTP_SESSION:
			bounce_fd(imsg->fd);
			return;
		}
	}

	if (p->proc == PROC_LKA) {
		switch (imsg->hdr.type) {
		case IMSG_LKA_ENVELOPE_SUBMIT:
			m_msg(&m, imsg);
			m_get_id(&m, &reqid);
			m_get_envelope(&m, &evp);
			m_end(&m);
		    
			if (evp.id == 0)
				log_warnx("warn: imsg_queue_submit_envelope: evpid=0");
			if (evpid_to_msgid(evp.id) == 0)
				log_warnx("warn: imsg_queue_submit_envelope: msgid=0, "
				    "evpid=%016"PRIx64, evp.id);
			ret = queue_envelope_create(&evp);
			m_create(p_pony, IMSG_QUEUE_ENVELOPE_SUBMIT, 0, 0, -1);
			m_add_id(p_pony, reqid);
			if (ret == 0)
				m_add_int(p_pony, 0);
			else {
				m_add_int(p_pony, 1);
				m_add_evpid(p_pony, evp.id);
			}
			m_close(p_pony);
			if (ret) {
				m_create(p_scheduler,
				    IMSG_QUEUE_ENVELOPE_SUBMIT, 0, 0, -1);
				m_add_envelope(p_scheduler, &evp);
				m_close(p_scheduler);

			}
			return;

		case IMSG_LKA_ENVELOPE_COMMIT:
			m_msg(&m, imsg);
			m_get_id(&m, &reqid);
			m_end(&m);
			m_create(p_pony, IMSG_QUEUE_ENVELOPE_COMMIT, 0, 0, -1);
			m_add_id(p_pony, reqid);
			m_add_int(p_pony, 1);
			m_close(p_pony);
			return;
		}
	}

	if (p->proc == PROC_SCHEDULER) {
		switch (imsg->hdr.type) {
		case IMSG_SCHED_ENVELOPE_REMOVE:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_end(&m);

			/* already removed by scheduler */
			if (queue_envelope_load(evpid, &evp) == 0)
				return;
			queue_log(&evp, "Remove", "Removed by administrator");
			queue_envelope_delete(evpid);
			return;

		case IMSG_SCHED_ENVELOPE_EXPIRE:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_end(&m);

			/* already removed by scheduler*/
			if (queue_envelope_load(evpid, &evp) == 0)
				return;

			bounce.type = B_ERROR;
			envelope_set_errormsg(&evp, "Envelope expired");
			envelope_set_esc_class(&evp, ESC_STATUS_TEMPFAIL);
			envelope_set_esc_code(&evp, ESC_DELIVERY_TIME_EXPIRED);
			queue_bounce(&evp, &bounce);
			queue_log(&evp, "Expire", "Envelope expired");
			queue_envelope_delete(evpid);
			return;

		case IMSG_SCHED_ENVELOPE_BOUNCE:
			req_bounce = imsg->data;
			evpid = req_bounce->evpid;

			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warnx("queue: bounce: failed to load envelope");
				m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
				m_add_evpid(p_scheduler, evpid);
				m_add_u32(p_scheduler, 0); /* not in-flight */
				m_close(p_scheduler);
				return;
			}
			queue_bounce(&evp, &req_bounce->bounce);
			evp.lastbounce = req_bounce->timestamp;
			if (!queue_envelope_update(&evp))
				log_warnx("warn: could not update envelope %016"PRIx64, evpid);
			return;

		case IMSG_SCHED_ENVELOPE_DELIVER:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_end(&m);
			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warnx("queue: deliver: failed to load envelope");
				m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
				m_add_evpid(p_scheduler, evpid);
				m_add_u32(p_scheduler, 1); /* in-flight */
				m_close(p_scheduler);
				return;
			}
			evp.lasttry = time(NULL);
			m_create(p_pony, IMSG_QUEUE_DELIVER, 0, 0, -1);
			m_add_envelope(p_pony, &evp);
			m_close(p_pony);
			return;

		case IMSG_SCHED_ENVELOPE_INJECT:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_end(&m);
			bounce_add(evpid);
			return;

		case IMSG_SCHED_ENVELOPE_TRANSFER:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_end(&m);
			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warnx("queue: failed to load envelope");
				m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
				m_add_evpid(p_scheduler, evpid);
				m_add_u32(p_scheduler, 1); /* in-flight */
				m_close(p_scheduler);
				return;
			}
			evp.lasttry = time(NULL);
			m_create(p_pony, IMSG_QUEUE_TRANSFER, 0, 0, -1);
			m_add_envelope(p_pony, &evp);
			m_close(p_pony);
			return;

		case IMSG_CTL_LIST_ENVELOPES:
			if (imsg->hdr.len == sizeof imsg->hdr) {
				m_forward(p_control, imsg);
				return;
			}

			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_get_int(&m, &flags);
			m_get_time(&m, &nexttry);
			m_end(&m);

			if (queue_envelope_load(evpid, &evp) == 0)
				return; /* Envelope is gone, drop it */

			/*
			 * XXX consistency: The envelope might already be on
			 * its way back to the scheduler.  We need to detect
			 * this properly and report that state.
			 */
			evp.flags |= flags;
			/* In the past if running or runnable */
			evp.nexttry = nexttry;
			if (flags & EF_INFLIGHT) {
				/*
				 * Not exactly correct but pretty close: The
				 * value is not recorded on the envelope unless
				 * a tempfail occurs.
				 */
				evp.lasttry = nexttry;
			}
			m_compose(p_control, IMSG_CTL_LIST_ENVELOPES,
			    imsg->hdr.peerid, 0, -1, &evp, sizeof evp);
			return;
		}
	}

	if (p->proc == PROC_PONY) {
		switch (imsg->hdr.type) {
		case IMSG_MDA_OPEN_MESSAGE:
		case IMSG_MTA_OPEN_MESSAGE:
			m_msg(&m, imsg);
			m_get_id(&m, &reqid);
			m_get_msgid(&m, &msgid);
			m_end(&m);
			fd = queue_message_fd_r(msgid);
			m_create(p, imsg->hdr.type, 0, 0, fd);
			m_add_id(p, reqid);
			m_close(p);
			return;

		case IMSG_MDA_DELIVERY_OK:
		case IMSG_MTA_DELIVERY_OK:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			if (imsg->hdr.type == IMSG_MTA_DELIVERY_OK)
				m_get_int(&m, &mta_ext);
			m_end(&m);
			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warn("queue: dsn: failed to load envelope");
				return;
			}
			if (evp.dsn_notify & DSN_SUCCESS) {
				bounce.type = B_DSN;
				bounce.dsn_ret = evp.dsn_ret;

				if (imsg->hdr.type == IMSG_MDA_DELIVERY_OK)
					queue_bounce(&evp, &bounce);
				else if (imsg->hdr.type == IMSG_MTA_DELIVERY_OK &&
				    (mta_ext & MTA_EXT_DSN) == 0) {
					bounce.mta_without_dsn = 1;
					queue_bounce(&evp, &bounce);
				}
			}
			queue_envelope_delete(evpid);
			m_create(p_scheduler, IMSG_QUEUE_DELIVERY_OK, 0, 0, -1);
			m_add_evpid(p_scheduler, evpid);
			m_close(p_scheduler);
			return;

		case IMSG_MDA_DELIVERY_TEMPFAIL:
		case IMSG_MTA_DELIVERY_TEMPFAIL:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_get_string(&m, &reason);
			m_get_int(&m, &code);
			m_end(&m);
			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warnx("queue: tempfail: failed to load envelope");
				m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
				m_add_evpid(p_scheduler, evpid);
				m_add_u32(p_scheduler, 1); /* in-flight */
				m_close(p_scheduler);
				return;
			}
			envelope_set_errormsg(&evp, "%s", reason);
			envelope_set_esc_class(&evp, ESC_STATUS_TEMPFAIL);
			envelope_set_esc_code(&evp, code);
			evp.retry++;
			if (!queue_envelope_update(&evp))
				log_warnx("warn: could not update envelope %016"PRIx64, evpid);
			m_create(p_scheduler, IMSG_QUEUE_DELIVERY_TEMPFAIL, 0, 0, -1);
			m_add_envelope(p_scheduler, &evp);
			m_close(p_scheduler);
			return;

		case IMSG_MDA_DELIVERY_PERMFAIL:
		case IMSG_MTA_DELIVERY_PERMFAIL:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_get_string(&m, &reason);
			m_get_int(&m, &code);
			m_end(&m);
			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warnx("queue: permfail: failed to load envelope");
				m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
				m_add_evpid(p_scheduler, evpid);
				m_add_u32(p_scheduler, 1); /* in-flight */
				m_close(p_scheduler);
				return;
			}
			bounce.type = B_ERROR;
			envelope_set_errormsg(&evp, "%s", reason);
			envelope_set_esc_class(&evp, ESC_STATUS_PERMFAIL);
			envelope_set_esc_code(&evp, code);
			queue_bounce(&evp, &bounce);
			queue_envelope_delete(evpid);
			m_create(p_scheduler, IMSG_QUEUE_DELIVERY_PERMFAIL, 0, 0, -1);
			m_add_evpid(p_scheduler, evpid);
			m_close(p_scheduler);
			return;

		case IMSG_MDA_DELIVERY_LOOP:
		case IMSG_MTA_DELIVERY_LOOP:
			m_msg(&m, imsg);
			m_get_evpid(&m, &evpid);
			m_end(&m);
			if (queue_envelope_load(evpid, &evp) == 0) {
				log_warnx("queue: loop: failed to load envelope");
				m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
				m_add_evpid(p_scheduler, evpid);
				m_add_u32(p_scheduler, 1); /* in-flight */
				m_close(p_scheduler);
				return;
			}
			envelope_set_errormsg(&evp, "%s", "Loop detected");
			envelope_set_esc_class(&evp, ESC_STATUS_TEMPFAIL);
			envelope_set_esc_code(&evp, ESC_ROUTING_LOOP_DETECTED);
			bounce.type = B_ERROR;
			queue_bounce(&evp, &bounce);
			queue_envelope_delete(evp.id);
			m_create(p_scheduler, IMSG_QUEUE_DELIVERY_LOOP, 0, 0, -1);
			m_add_evpid(p_scheduler, evp.id);
			m_close(p_scheduler);
			return;

		case IMSG_MTA_DELIVERY_HOLD:
		case IMSG_MDA_DELIVERY_HOLD:
			imsg->hdr.type = IMSG_QUEUE_HOLDQ_HOLD;
			m_forward(p_scheduler, imsg);
			return;

		case IMSG_MTA_SCHEDULE:
			imsg->hdr.type = IMSG_QUEUE_ENVELOPE_SCHEDULE;
			m_forward(p_scheduler, imsg);
			return;

		case IMSG_MTA_HOLDQ_RELEASE:
		case IMSG_MDA_HOLDQ_RELEASE:
			m_msg(&m, imsg);
			m_get_id(&m, &holdq);
			m_get_int(&m, &v);
			m_end(&m);
			m_create(p_scheduler, IMSG_QUEUE_HOLDQ_RELEASE, 0, 0, -1);
			if (imsg->hdr.type == IMSG_MTA_HOLDQ_RELEASE)
				m_add_int(p_scheduler, D_MTA);
			else
				m_add_int(p_scheduler, D_MDA);
			m_add_id(p_scheduler, holdq);
			m_add_int(p_scheduler, v);
			m_close(p_scheduler);
			return;
		}
	}

	if (p->proc == PROC_CONTROL) {
		switch (imsg->hdr.type) {
		case IMSG_CTL_PAUSE_MDA:
		case IMSG_CTL_PAUSE_MTA:
		case IMSG_CTL_RESUME_MDA:
		case IMSG_CTL_RESUME_MTA:
			m_forward(p_scheduler, imsg);
			return;
		}
	}

	if (p->proc == PROC_PARENT) {
		switch (imsg->hdr.type) {
		case IMSG_CTL_VERBOSE:
			m_msg(&m, imsg);
			m_get_int(&m, &v);
			m_end(&m);
			log_verbose(v);
			m_forward(p_scheduler, imsg);
			return;

		case IMSG_CTL_PROFILE:
			m_msg(&m, imsg);
			m_get_int(&m, &v);
			m_end(&m);
			profiling = v;
			return;
		}
	}

	errx(1, "queue_imsg: unexpected %s imsg", imsg_to_str(imsg->hdr.type));
}
예제 #5
0
static void
lka_resume(struct lka_session *lks)
{
	struct envelope		*ep;
	struct expandnode	*xn;

	if (lks->error)
		goto error;

	/* pop next node and expand it */
	while ((xn = TAILQ_FIRST(&lks->nodes))) {
		TAILQ_REMOVE(&lks->nodes, xn, tq_entry);
		lka_expand(lks, xn->rule, xn);
		if (lks->flags & F_WAITING)
			return;
		if (lks->error)
			goto error;
	}

	/* delivery list is empty, reject */
	if (TAILQ_FIRST(&lks->deliverylist) == NULL) {
		log_trace(TRACE_EXPAND, "expand: lka_done: expanded to empty "
		    "delivery list");
		lks->error = LKA_PERMFAIL;
	}
    error:
	if (lks->error) {
		m_create(p_smtp, IMSG_LKA_EXPAND_RCPT, 0, 0, -1);
		m_add_id(p_smtp, lks->id);
		m_add_int(p_smtp, lks->error);

		if (lks->errormsg)
			m_add_string(p_smtp, lks->errormsg);
		else {
			if (lks->error == LKA_PERMFAIL)
				m_add_string(p_smtp, "550 Invalid recipient");
			else if (lks->error == LKA_TEMPFAIL)
				m_add_string(p_smtp, "451 Temporary failure");
		}

		m_close(p_smtp);
		while ((ep = TAILQ_FIRST(&lks->deliverylist)) != NULL) {
			TAILQ_REMOVE(&lks->deliverylist, ep, entry);
			free(ep);
		}
	}
	else {
		/* Process the delivery list and submit envelopes to queue */
		while ((ep = TAILQ_FIRST(&lks->deliverylist)) != NULL) {
			TAILQ_REMOVE(&lks->deliverylist, ep, entry);
			m_create(p_queue, IMSG_QUEUE_SUBMIT_ENVELOPE, 0, 0, -1);
			m_add_id(p_queue, lks->id);
			m_add_envelope(p_queue, ep);
			m_close(p_queue);
			free(ep);
		}

		m_create(p_queue, IMSG_QUEUE_COMMIT_ENVELOPES, 0, 0, -1);
		m_add_id(p_queue, lks->id);
		m_close(p_queue);
	}

	expand_clear(&lks->expand);
	tree_xpop(&sessions, lks->id);
	free(lks);
}