733 lines
19 KiB
C
733 lines
19 KiB
C
/* $OpenBSD: queue.c,v 1.194 2021/08/02 12:33:34 eric Exp $ */
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/*
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* Copyright (c) 2008 Gilles Chehade <gilles@poolp.org>
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* Copyright (c) 2008 Pierre-Yves Ritschard <pyr@openbsd.org>
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* Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <inttypes.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "smtpd.h"
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#include "log.h"
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static void queue_imsg(struct mproc *, struct imsg *);
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static void queue_timeout(int, short, void *);
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static void queue_bounce(struct envelope *, struct delivery_bounce *);
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static void queue_shutdown(void);
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static void queue_log(const struct envelope *, const char *, const char *);
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static void queue_msgid_walk(int, short, void *);
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static void
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queue_imsg(struct mproc *p, struct imsg *imsg)
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{
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struct delivery_bounce bounce;
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struct msg_walkinfo *wi;
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struct timeval tv;
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struct bounce_req_msg *req_bounce;
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struct envelope evp;
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struct msg m;
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const char *reason;
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uint64_t reqid, evpid, holdq;
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uint32_t msgid;
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time_t nexttry;
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size_t n_evp;
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int fd, mta_ext, ret, v, flags, code;
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if (imsg == NULL)
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queue_shutdown();
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memset(&bounce, 0, sizeof(struct delivery_bounce));
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switch (imsg->hdr.type) {
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case IMSG_SMTP_MESSAGE_CREATE:
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m_msg(&m, imsg);
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m_get_id(&m, &reqid);
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m_end(&m);
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ret = queue_message_create(&msgid);
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m_create(p, IMSG_SMTP_MESSAGE_CREATE, 0, 0, -1);
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m_add_id(p, reqid);
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if (ret == 0)
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m_add_int(p, 0);
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else {
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m_add_int(p, 1);
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m_add_msgid(p, msgid);
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}
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m_close(p);
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return;
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case IMSG_SMTP_MESSAGE_ROLLBACK:
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m_msg(&m, imsg);
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m_get_msgid(&m, &msgid);
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m_end(&m);
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queue_message_delete(msgid);
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m_create(p_scheduler, IMSG_QUEUE_MESSAGE_ROLLBACK,
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0, 0, -1);
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m_add_msgid(p_scheduler, msgid);
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m_close(p_scheduler);
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return;
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case IMSG_SMTP_MESSAGE_COMMIT:
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m_msg(&m, imsg);
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m_get_id(&m, &reqid);
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m_get_msgid(&m, &msgid);
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m_end(&m);
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ret = queue_message_commit(msgid);
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m_create(p, IMSG_SMTP_MESSAGE_COMMIT, 0, 0, -1);
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m_add_id(p, reqid);
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m_add_int(p, (ret == 0) ? 0 : 1);
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m_close(p);
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if (ret) {
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m_create(p_scheduler, IMSG_QUEUE_MESSAGE_COMMIT,
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0, 0, -1);
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m_add_msgid(p_scheduler, msgid);
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m_close(p_scheduler);
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}
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return;
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case IMSG_SMTP_MESSAGE_OPEN:
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m_msg(&m, imsg);
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m_get_id(&m, &reqid);
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m_get_msgid(&m, &msgid);
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m_end(&m);
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fd = queue_message_fd_rw(msgid);
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m_create(p, IMSG_SMTP_MESSAGE_OPEN, 0, 0, fd);
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m_add_id(p, reqid);
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m_add_int(p, (fd == -1) ? 0 : 1);
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m_close(p);
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return;
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case IMSG_QUEUE_SMTP_SESSION:
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bounce_fd(imsg->fd);
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return;
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case IMSG_LKA_ENVELOPE_SUBMIT:
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m_msg(&m, imsg);
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m_get_id(&m, &reqid);
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m_get_envelope(&m, &evp);
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m_end(&m);
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if (evp.id == 0)
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log_warnx("warn: imsg_queue_submit_envelope: evpid=0");
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if (evpid_to_msgid(evp.id) == 0)
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log_warnx("warn: imsg_queue_submit_envelope: msgid=0, "
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"evpid=%016"PRIx64, evp.id);
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ret = queue_envelope_create(&evp);
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m_create(p_dispatcher, IMSG_QUEUE_ENVELOPE_SUBMIT, 0, 0, -1);
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m_add_id(p_dispatcher, reqid);
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if (ret == 0)
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m_add_int(p_dispatcher, 0);
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else {
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m_add_int(p_dispatcher, 1);
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m_add_evpid(p_dispatcher, evp.id);
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}
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m_close(p_dispatcher);
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if (ret) {
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m_create(p_scheduler,
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IMSG_QUEUE_ENVELOPE_SUBMIT, 0, 0, -1);
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m_add_envelope(p_scheduler, &evp);
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m_close(p_scheduler);
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}
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return;
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case IMSG_LKA_ENVELOPE_COMMIT:
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m_msg(&m, imsg);
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m_get_id(&m, &reqid);
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m_end(&m);
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m_create(p_dispatcher, IMSG_QUEUE_ENVELOPE_COMMIT, 0, 0, -1);
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m_add_id(p_dispatcher, reqid);
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m_add_int(p_dispatcher, 1);
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m_close(p_dispatcher);
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return;
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case IMSG_SCHED_ENVELOPE_REMOVE:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_end(&m);
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_ACK, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_close(p_scheduler);
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/* already removed by scheduler */
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if (queue_envelope_load(evpid, &evp) == 0)
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return;
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queue_log(&evp, "Remove", "Removed by administrator");
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queue_envelope_delete(evpid);
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return;
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case IMSG_SCHED_ENVELOPE_EXPIRE:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_end(&m);
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_ACK, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_close(p_scheduler);
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/* already removed by scheduler*/
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if (queue_envelope_load(evpid, &evp) == 0)
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return;
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bounce.type = B_FAILED;
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envelope_set_errormsg(&evp, "Envelope expired");
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envelope_set_esc_class(&evp, ESC_STATUS_PERMFAIL);
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envelope_set_esc_code(&evp, ESC_DELIVERY_TIME_EXPIRED);
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queue_bounce(&evp, &bounce);
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queue_log(&evp, "Expire", "Envelope expired");
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queue_envelope_delete(evpid);
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return;
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case IMSG_SCHED_ENVELOPE_BOUNCE:
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CHECK_IMSG_DATA_SIZE(imsg, sizeof *req_bounce);
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req_bounce = imsg->data;
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evpid = req_bounce->evpid;
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warnx("queue: bounce: failed to load envelope");
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_add_u32(p_scheduler, 0); /* not in-flight */
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m_close(p_scheduler);
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return;
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}
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queue_bounce(&evp, &req_bounce->bounce);
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evp.lastbounce = req_bounce->timestamp;
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if (!queue_envelope_update(&evp))
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log_warnx("warn: could not update envelope %016"PRIx64, evpid);
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return;
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case IMSG_SCHED_ENVELOPE_DELIVER:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warnx("queue: deliver: failed to load envelope");
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_add_u32(p_scheduler, 1); /* in-flight */
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m_close(p_scheduler);
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return;
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}
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evp.lasttry = time(NULL);
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m_create(p_dispatcher, IMSG_QUEUE_DELIVER, 0, 0, -1);
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m_add_envelope(p_dispatcher, &evp);
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m_close(p_dispatcher);
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return;
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case IMSG_SCHED_ENVELOPE_INJECT:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_end(&m);
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bounce_add(evpid);
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return;
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case IMSG_SCHED_ENVELOPE_TRANSFER:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warnx("queue: failed to load envelope");
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_add_u32(p_scheduler, 1); /* in-flight */
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m_close(p_scheduler);
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return;
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}
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evp.lasttry = time(NULL);
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m_create(p_dispatcher, IMSG_QUEUE_TRANSFER, 0, 0, -1);
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m_add_envelope(p_dispatcher, &evp);
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m_close(p_dispatcher);
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return;
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case IMSG_CTL_LIST_ENVELOPES:
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if (imsg->hdr.len == sizeof imsg->hdr) {
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m_forward(p_control, imsg);
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return;
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}
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_get_int(&m, &flags);
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m_get_time(&m, &nexttry);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0)
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return; /* Envelope is gone, drop it */
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/*
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* XXX consistency: The envelope might already be on
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* its way back to the scheduler. We need to detect
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* this properly and report that state.
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*/
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if (flags & EF_INFLIGHT) {
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/*
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* Not exactly correct but pretty close: The
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* value is not recorded on the envelope unless
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* a tempfail occurs.
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*/
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evp.lasttry = nexttry;
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}
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m_create(p_control, IMSG_CTL_LIST_ENVELOPES,
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imsg->hdr.peerid, 0, -1);
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m_add_int(p_control, flags);
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m_add_time(p_control, nexttry);
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m_add_envelope(p_control, &evp);
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m_close(p_control);
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return;
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case IMSG_MDA_OPEN_MESSAGE:
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case IMSG_MTA_OPEN_MESSAGE:
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m_msg(&m, imsg);
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m_get_id(&m, &reqid);
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m_get_msgid(&m, &msgid);
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m_end(&m);
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fd = queue_message_fd_r(msgid);
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m_create(p, imsg->hdr.type, 0, 0, fd);
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m_add_id(p, reqid);
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m_close(p);
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return;
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case IMSG_MDA_DELIVERY_OK:
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case IMSG_MTA_DELIVERY_OK:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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if (imsg->hdr.type == IMSG_MTA_DELIVERY_OK)
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m_get_int(&m, &mta_ext);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warn("queue: dsn: failed to load envelope");
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return;
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}
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if (evp.dsn_notify & DSN_SUCCESS) {
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bounce.type = B_DELIVERED;
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bounce.dsn_ret = evp.dsn_ret;
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envelope_set_esc_class(&evp, ESC_STATUS_OK);
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if (imsg->hdr.type == IMSG_MDA_DELIVERY_OK)
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queue_bounce(&evp, &bounce);
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else if (imsg->hdr.type == IMSG_MTA_DELIVERY_OK &&
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(mta_ext & MTA_EXT_DSN) == 0) {
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bounce.mta_without_dsn = 1;
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queue_bounce(&evp, &bounce);
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}
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}
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queue_envelope_delete(evpid);
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m_create(p_scheduler, IMSG_QUEUE_DELIVERY_OK, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_close(p_scheduler);
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return;
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case IMSG_MDA_DELIVERY_TEMPFAIL:
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case IMSG_MTA_DELIVERY_TEMPFAIL:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_get_string(&m, &reason);
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m_get_int(&m, &code);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warnx("queue: tempfail: failed to load envelope");
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_add_u32(p_scheduler, 1); /* in-flight */
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m_close(p_scheduler);
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return;
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}
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envelope_set_errormsg(&evp, "%s", reason);
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envelope_set_esc_class(&evp, ESC_STATUS_TEMPFAIL);
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envelope_set_esc_code(&evp, code);
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evp.retry++;
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if (!queue_envelope_update(&evp))
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log_warnx("warn: could not update envelope %016"PRIx64, evpid);
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m_create(p_scheduler, IMSG_QUEUE_DELIVERY_TEMPFAIL, 0, 0, -1);
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m_add_envelope(p_scheduler, &evp);
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m_close(p_scheduler);
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return;
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case IMSG_MDA_DELIVERY_PERMFAIL:
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case IMSG_MTA_DELIVERY_PERMFAIL:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_get_string(&m, &reason);
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m_get_int(&m, &code);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warnx("queue: permfail: failed to load envelope");
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_add_u32(p_scheduler, 1); /* in-flight */
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m_close(p_scheduler);
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return;
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}
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bounce.type = B_FAILED;
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envelope_set_errormsg(&evp, "%s", reason);
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envelope_set_esc_class(&evp, ESC_STATUS_PERMFAIL);
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envelope_set_esc_code(&evp, code);
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queue_bounce(&evp, &bounce);
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queue_envelope_delete(evpid);
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m_create(p_scheduler, IMSG_QUEUE_DELIVERY_PERMFAIL, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_close(p_scheduler);
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return;
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case IMSG_MDA_DELIVERY_LOOP:
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case IMSG_MTA_DELIVERY_LOOP:
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m_msg(&m, imsg);
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m_get_evpid(&m, &evpid);
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m_end(&m);
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if (queue_envelope_load(evpid, &evp) == 0) {
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log_warnx("queue: loop: failed to load envelope");
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m_create(p_scheduler, IMSG_QUEUE_ENVELOPE_REMOVE, 0, 0, -1);
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m_add_evpid(p_scheduler, evpid);
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m_add_u32(p_scheduler, 1); /* in-flight */
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m_close(p_scheduler);
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return;
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}
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envelope_set_errormsg(&evp, "%s", "Loop detected");
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envelope_set_esc_class(&evp, ESC_STATUS_TEMPFAIL);
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envelope_set_esc_code(&evp, ESC_ROUTING_LOOP_DETECTED);
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bounce.type = B_FAILED;
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queue_bounce(&evp, &bounce);
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queue_envelope_delete(evp.id);
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m_create(p_scheduler, IMSG_QUEUE_DELIVERY_LOOP, 0, 0, -1);
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m_add_evpid(p_scheduler, evp.id);
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m_close(p_scheduler);
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return;
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case IMSG_MTA_DELIVERY_HOLD:
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case IMSG_MDA_DELIVERY_HOLD:
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imsg->hdr.type = IMSG_QUEUE_HOLDQ_HOLD;
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m_forward(p_scheduler, imsg);
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return;
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case IMSG_MTA_SCHEDULE:
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imsg->hdr.type = IMSG_QUEUE_ENVELOPE_SCHEDULE;
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m_forward(p_scheduler, imsg);
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return;
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case IMSG_MTA_HOLDQ_RELEASE:
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case IMSG_MDA_HOLDQ_RELEASE:
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m_msg(&m, imsg);
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m_get_id(&m, &holdq);
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m_get_int(&m, &v);
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m_end(&m);
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m_create(p_scheduler, IMSG_QUEUE_HOLDQ_RELEASE, 0, 0, -1);
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if (imsg->hdr.type == IMSG_MTA_HOLDQ_RELEASE)
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m_add_int(p_scheduler, D_MTA);
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else
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m_add_int(p_scheduler, D_MDA);
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m_add_id(p_scheduler, holdq);
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m_add_int(p_scheduler, v);
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m_close(p_scheduler);
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return;
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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;
|
|
|
|
case IMSG_CTL_VERBOSE:
|
|
m_msg(&m, imsg);
|
|
m_get_int(&m, &v);
|
|
m_end(&m);
|
|
log_trace_verbose(v);
|
|
return;
|
|
|
|
case IMSG_CTL_PROFILE:
|
|
m_msg(&m, imsg);
|
|
m_get_int(&m, &v);
|
|
m_end(&m);
|
|
profiling = v;
|
|
return;
|
|
|
|
case IMSG_CTL_DISCOVER_EVPID:
|
|
m_msg(&m, imsg);
|
|
m_get_evpid(&m, &evpid);
|
|
m_end(&m);
|
|
if (queue_envelope_load(evpid, &evp) == 0) {
|
|
log_warnx("queue: discover: failed to load "
|
|
"envelope %016" PRIx64, evpid);
|
|
n_evp = 0;
|
|
m_compose(p_control, imsg->hdr.type,
|
|
imsg->hdr.peerid, 0, -1,
|
|
&n_evp, sizeof n_evp);
|
|
return;
|
|
}
|
|
|
|
m_create(p_scheduler, IMSG_QUEUE_DISCOVER_EVPID,
|
|
0, 0, -1);
|
|
m_add_envelope(p_scheduler, &evp);
|
|
m_close(p_scheduler);
|
|
|
|
m_create(p_scheduler, IMSG_QUEUE_DISCOVER_MSGID,
|
|
0, 0, -1);
|
|
m_add_msgid(p_scheduler, evpid_to_msgid(evpid));
|
|
m_close(p_scheduler);
|
|
n_evp = 1;
|
|
m_compose(p_control, imsg->hdr.type, imsg->hdr.peerid,
|
|
0, -1, &n_evp, sizeof n_evp);
|
|
return;
|
|
|
|
case IMSG_CTL_DISCOVER_MSGID:
|
|
m_msg(&m, imsg);
|
|
m_get_msgid(&m, &msgid);
|
|
m_end(&m);
|
|
/* handle concurrent walk requests */
|
|
wi = xcalloc(1, sizeof *wi);
|
|
wi->msgid = msgid;
|
|
wi->peerid = imsg->hdr.peerid;
|
|
evtimer_set(&wi->ev, queue_msgid_walk, wi);
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 10;
|
|
evtimer_add(&wi->ev, &tv);
|
|
return;
|
|
}
|
|
|
|
fatalx("queue_imsg: unexpected %s imsg", imsg_to_str(imsg->hdr.type));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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.ttl = 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);
|
|
}
|
|
}
|
|
|
|
static void
|
|
queue_shutdown(void)
|
|
{
|
|
log_debug("debug: queue agent exiting");
|
|
queue_close();
|
|
_exit(0);
|
|
}
|
|
|
|
int
|
|
queue(void)
|
|
{
|
|
struct passwd *pw;
|
|
struct timeval tv;
|
|
struct event ev_qload;
|
|
|
|
purge_config(PURGE_EVERYTHING & ~PURGE_DISPATCHERS);
|
|
|
|
if ((pw = getpwnam(SMTPD_QUEUE_USER)) == NULL)
|
|
if ((pw = getpwnam(SMTPD_USER)) == NULL)
|
|
fatalx("unknown user " SMTPD_USER);
|
|
|
|
env->sc_queue_flags |= QUEUE_EVPCACHE;
|
|
env->sc_queue_evpcache_size = 1024;
|
|
|
|
if (chroot(PATH_SPOOL) == -1)
|
|
fatal("queue: chroot");
|
|
if (chdir("/") == -1)
|
|
fatal("queue: chdir(\"/\")");
|
|
|
|
config_process(PROC_QUEUE);
|
|
|
|
if (env->sc_queue_flags & QUEUE_COMPRESSION)
|
|
log_info("queue: queue compression enabled");
|
|
|
|
if (env->sc_queue_key) {
|
|
if (!crypto_setup(env->sc_queue_key, strlen(env->sc_queue_key)))
|
|
fatalx("crypto_setup: invalid key for queue encryption");
|
|
log_info("queue: queue encryption enabled");
|
|
}
|
|
|
|
if (setgroups(1, &pw->pw_gid) ||
|
|
setresgid(pw->pw_gid, pw->pw_gid, pw->pw_gid) ||
|
|
setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid))
|
|
fatal("queue: cannot drop privileges");
|
|
|
|
imsg_callback = queue_imsg;
|
|
event_init();
|
|
|
|
signal(SIGINT, SIG_IGN);
|
|
signal(SIGTERM, SIG_IGN);
|
|
signal(SIGPIPE, SIG_IGN);
|
|
signal(SIGHUP, SIG_IGN);
|
|
|
|
config_peer(PROC_PARENT);
|
|
config_peer(PROC_CONTROL);
|
|
config_peer(PROC_LKA);
|
|
config_peer(PROC_SCHEDULER);
|
|
config_peer(PROC_DISPATCHER);
|
|
|
|
/* setup queue loading task */
|
|
evtimer_set(&ev_qload, queue_timeout, &ev_qload);
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 10;
|
|
evtimer_add(&ev_qload, &tv);
|
|
|
|
if (pledge("stdio rpath wpath cpath flock recvfd sendfd", NULL) == -1)
|
|
fatal("pledge");
|
|
|
|
event_dispatch();
|
|
fatalx("exited event loop");
|
|
|
|
return (0);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void
|
|
queue_log(const struct envelope *e, const char *prefix, const char *status)
|
|
{
|
|
char rcpt[LINE_MAX];
|
|
|
|
(void)strlcpy(rcpt, "-", sizeof rcpt);
|
|
if (strcmp(e->rcpt.user, e->dest.user) ||
|
|
strcmp(e->rcpt.domain, e->dest.domain))
|
|
(void)snprintf(rcpt, sizeof rcpt, "%s@%s",
|
|
e->rcpt.user, e->rcpt.domain);
|
|
|
|
log_info("%s: %s for %016" PRIx64 ": from=<%s@%s>, to=<%s@%s>, "
|
|
"rcpt=<%s>, delay=%s, stat=%s",
|
|
e->type == D_MDA ? "delivery" : "relay",
|
|
prefix,
|
|
e->id, e->sender.user, e->sender.domain,
|
|
e->dest.user, e->dest.domain,
|
|
rcpt,
|
|
duration_to_text(time(NULL) - e->creation),
|
|
status);
|
|
}
|