aboutsummaryrefslogtreecommitdiffstats
path: root/smtpd/queue_proc.c
diff options
context:
space:
mode:
Diffstat (limited to 'smtpd/queue_proc.c')
-rw-r--r--smtpd/queue_proc.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/smtpd/queue_proc.c b/smtpd/queue_proc.c
deleted file mode 100644
index d6e0f409..00000000
--- a/smtpd/queue_proc.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/* $OpenBSD: queue_proc.c,v 1.8 2018/12/30 23:09:58 guenther Exp $ */
-
-/*
- * Copyright (c) 2013 Eric Faurot <eric@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "includes.h"
-
-#include <sys/types.h>
-#include <sys/queue.h>
-#include <sys/tree.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-
-#include <ctype.h>
-#include <errno.h>
-#include <event.h>
-#include <fcntl.h>
-#include <imsg.h>
-#include <inttypes.h>
-#include <pwd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-#include <limits.h>
-
-#include "smtpd.h"
-#include "log.h"
-
-static struct imsgbuf ibuf;
-static struct imsg imsg;
-static size_t rlen;
-static char *rdata;
-
-static void
-queue_proc_call(void)
-{
- ssize_t n;
-
- if (imsg_flush(&ibuf) == -1) {
- log_warn("warn: queue-proc: imsg_flush");
- fatalx("queue-proc: exiting");
- }
-
- while (1) {
- if ((n = imsg_get(&ibuf, &imsg)) == -1) {
- log_warn("warn: queue-proc: imsg_get");
- break;
- }
- if (n) {
- rlen = imsg.hdr.len - IMSG_HEADER_SIZE;
- rdata = imsg.data;
-
- if (imsg.hdr.type != PROC_QUEUE_OK) {
- log_warnx("warn: queue-proc: bad response");
- break;
- }
- return;
- }
-
- if ((n = imsg_read(&ibuf)) == -1 && errno != EAGAIN) {
- log_warn("warn: queue-proc: imsg_read");
- break;
- }
-
- if (n == 0) {
- log_warnx("warn: queue-proc: pipe closed");
- break;
- }
- }
-
- fatalx("queue-proc: exiting");
-}
-
-static void
-queue_proc_read(void *dst, size_t len)
-{
- if (len > rlen) {
- log_warnx("warn: queue-proc: bad msg len");
- fatalx("queue-proc: exiting");
- }
-
- memmove(dst, rdata, len);
- rlen -= len;
- rdata += len;
-}
-
-static void
-queue_proc_end(void)
-{
- if (rlen) {
- log_warnx("warn: queue-proc: bogus data");
- fatalx("queue-proc: exiting");
- }
- imsg_free(&imsg);
-}
-
-/*
- * API
- */
-
-static int
-queue_proc_close(void)
-{
- int r;
-
- imsg_compose(&ibuf, PROC_QUEUE_CLOSE, 0, 0, -1, NULL, 0);
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_message_create(uint32_t *msgid)
-{
- int r;
-
- imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_CREATE, 0, 0, -1, NULL, 0);
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- if (r == 1)
- queue_proc_read(msgid, sizeof(*msgid));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_message_commit(uint32_t msgid, const char *path)
-{
- int r, fd;
-
- fd = open(path, O_RDONLY);
- if (fd == -1) {
- log_warn("queue-proc: open: %s", path);
- return (0);
- }
-
- imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_COMMIT, 0, 0, fd, &msgid,
- sizeof(msgid));
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_message_delete(uint32_t msgid)
-{
- int r;
-
- imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_DELETE, 0, 0, -1, &msgid,
- sizeof(msgid));
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_message_fd_r(uint32_t msgid)
-{
- imsg_compose(&ibuf, PROC_QUEUE_MESSAGE_FD_R, 0, 0, -1, &msgid,
- sizeof(msgid));
-
- queue_proc_call();
- queue_proc_end();
-
- return (imsg.fd);
-}
-
-static int
-queue_proc_envelope_create(uint32_t msgid, const char *buf, size_t len,
- uint64_t *evpid)
-{
- struct ibuf *b;
- int r;
-
- msgid = evpid_to_msgid(*evpid);
- b = imsg_create(&ibuf, PROC_QUEUE_ENVELOPE_CREATE, 0, 0,
- sizeof(msgid) + len);
- if (imsg_add(b, &msgid, sizeof(msgid)) == -1 ||
- imsg_add(b, buf, len) == -1)
- return (0);
- imsg_close(&ibuf, b);
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- if (r == 1)
- queue_proc_read(evpid, sizeof(*evpid));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_envelope_delete(uint64_t evpid)
-{
- int r;
-
- imsg_compose(&ibuf, PROC_QUEUE_ENVELOPE_DELETE, 0, 0, -1, &evpid,
- sizeof(evpid));
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_envelope_update(uint64_t evpid, const char *buf, size_t len)
-{
- struct ibuf *b;
- int r;
-
- b = imsg_create(&ibuf, PROC_QUEUE_ENVELOPE_UPDATE, 0, 0,
- len + sizeof(evpid));
- if (imsg_add(b, &evpid, sizeof(evpid)) == -1 ||
- imsg_add(b, buf, len) == -1)
- return (0);
- imsg_close(&ibuf, b);
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_envelope_load(uint64_t evpid, char *buf, size_t len)
-{
- int r;
-
- imsg_compose(&ibuf, PROC_QUEUE_ENVELOPE_LOAD, 0, 0, -1, &evpid,
- sizeof(evpid));
-
- queue_proc_call();
-
- if (rlen > len) {
- log_warnx("warn: queue-proc: buf too small");
- fatalx("queue-proc: exiting");
- }
-
- r = rlen;
- queue_proc_read(buf, rlen);
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_envelope_walk(uint64_t *evpid, char *buf, size_t len)
-{
- int r;
-
- imsg_compose(&ibuf, PROC_QUEUE_ENVELOPE_WALK, 0, 0, -1, NULL, 0);
-
- queue_proc_call();
- queue_proc_read(&r, sizeof(r));
-
- if (r > 0) {
- queue_proc_read(evpid, sizeof(*evpid));
- if (rlen > len) {
- log_warnx("warn: queue-proc: buf too small");
- fatalx("queue-proc: exiting");
- }
- if (r != (int)rlen) {
- log_warnx("warn: queue-proc: len mismatch");
- fatalx("queue-proc: exiting");
- }
- queue_proc_read(buf, rlen);
- }
- queue_proc_end();
-
- return (r);
-}
-
-static int
-queue_proc_init(struct passwd *pw, int server, const char *conf)
-{
- uint32_t version;
- int fd;
-
- fd = fork_proc_backend("queue", conf, "queue-proc");
- if (fd == -1)
- fatalx("queue-proc: exiting");
-
- imsg_init(&ibuf, fd);
-
- version = PROC_QUEUE_API_VERSION;
- imsg_compose(&ibuf, PROC_QUEUE_INIT, 0, 0, -1,
- &version, sizeof(version));
-
- queue_api_on_close(queue_proc_close);
- queue_api_on_message_create(queue_proc_message_create);
- queue_api_on_message_commit(queue_proc_message_commit);
- queue_api_on_message_delete(queue_proc_message_delete);
- queue_api_on_message_fd_r(queue_proc_message_fd_r);
- queue_api_on_envelope_create(queue_proc_envelope_create);
- queue_api_on_envelope_delete(queue_proc_envelope_delete);
- queue_api_on_envelope_update(queue_proc_envelope_update);
- queue_api_on_envelope_load(queue_proc_envelope_load);
- queue_api_on_envelope_walk(queue_proc_envelope_walk);
-
- queue_proc_call();
- queue_proc_end();
-
- return (1);
-}
-
-struct queue_backend queue_backend_proc = {
- queue_proc_init,
-};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.