aboutsummaryrefslogtreecommitdiffstats
path: root/smtpd/table_proc.c
diff options
context:
space:
mode:
Diffstat (limited to 'smtpd/table_proc.c')
-rw-r--r--smtpd/table_proc.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/smtpd/table_proc.c b/smtpd/table_proc.c
deleted file mode 100644
index 44589bd7..00000000
--- a/smtpd/table_proc.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/* $OpenBSD: table_proc.c,v 1.16 2019/10/03 04:51:15 gilles 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 <ctype.h>
-#include <errno.h>
-#include <event.h>
-#include <fcntl.h>
-#include <imsg.h>
-#ifdef HAVE_PATHS_H
-#include <paths.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include <unistd.h>
-
-#include "smtpd.h"
-#include "log.h"
-
-struct table_proc_priv {
- pid_t pid;
- struct imsgbuf ibuf;
-};
-
-static struct imsg imsg;
-static size_t rlen;
-static char *rdata;
-
-extern char **environ;
-
-static void
-table_proc_call(struct table_proc_priv *p)
-{
- ssize_t n;
-
- if (imsg_flush(&p->ibuf) == -1) {
- log_warn("warn: table-proc: imsg_flush");
- fatalx("table-proc: exiting");
- }
-
- while (1) {
- if ((n = imsg_get(&p->ibuf, &imsg)) == -1) {
- log_warn("warn: table-proc: imsg_get");
- break;
- }
- if (n) {
- rlen = imsg.hdr.len - IMSG_HEADER_SIZE;
- rdata = imsg.data;
-
- if (imsg.hdr.type != PROC_TABLE_OK) {
- log_warnx("warn: table-proc: bad response");
- break;
- }
- return;
- }
-
- if ((n = imsg_read(&p->ibuf)) == -1 && errno != EAGAIN) {
- log_warn("warn: table-proc: imsg_read");
- break;
- }
-
- if (n == 0) {
- log_warnx("warn: table-proc: pipe closed");
- break;
- }
- }
-
- fatalx("table-proc: exiting");
-}
-
-static void
-table_proc_read(void *dst, size_t len)
-{
- if (len > rlen) {
- log_warnx("warn: table-proc: bad msg len");
- fatalx("table-proc: exiting");
- }
-
- if (dst)
- memmove(dst, rdata, len);
-
- rlen -= len;
- rdata += len;
-}
-
-static void
-table_proc_end(void)
-{
- if (rlen) {
- log_warnx("warn: table-proc: bogus data");
- fatalx("table-proc: exiting");
- }
- imsg_free(&imsg);
-}
-
-/*
- * API
- */
-
-static int
-table_proc_open(struct table *table)
-{
- struct table_proc_priv *priv;
- struct table_open_params op;
- int fd;
-
- priv = xcalloc(1, sizeof(*priv));
-
- fd = fork_proc_backend("table", table->t_config, table->t_name);
- if (fd == -1)
- fatalx("table-proc: exiting");
-
- imsg_init(&priv->ibuf, fd);
-
- memset(&op, 0, sizeof op);
- op.version = PROC_TABLE_API_VERSION;
- (void)strlcpy(op.name, table->t_name, sizeof op.name);
- imsg_compose(&priv->ibuf, PROC_TABLE_OPEN, 0, 0, -1, &op, sizeof op);
-
- table_proc_call(priv);
- table_proc_end();
-
- table->t_handle = priv;
-
- return (1);
-}
-
-static int
-table_proc_update(struct table *table)
-{
- struct table_proc_priv *priv = table->t_handle;
- int r;
-
- imsg_compose(&priv->ibuf, PROC_TABLE_UPDATE, 0, 0, -1, NULL, 0);
-
- table_proc_call(priv);
- table_proc_read(&r, sizeof(r));
- table_proc_end();
-
- return (r);
-}
-
-static void
-table_proc_close(struct table *table)
-{
- struct table_proc_priv *priv = table->t_handle;
-
- imsg_compose(&priv->ibuf, PROC_TABLE_CLOSE, 0, 0, -1, NULL, 0);
- if (imsg_flush(&priv->ibuf) == -1)
- fatal("imsg_flush");
-
- table->t_handle = NULL;
-}
-
-static int
-imsg_add_params(struct ibuf *buf)
-{
- size_t count = 0;
-
- if (imsg_add(buf, &count, sizeof(count)) == -1)
- return (-1);
-
- return (0);
-}
-
-static int
-table_proc_lookup(struct table *table, enum table_service s, const char *k, char **dst)
-{
- struct table_proc_priv *priv = table->t_handle;
- struct ibuf *buf;
- int r;
-
- buf = imsg_create(&priv->ibuf,
- dst ? PROC_TABLE_LOOKUP : PROC_TABLE_CHECK, 0, 0,
- sizeof(s) + strlen(k) + 1);
-
- if (buf == NULL)
- return (-1);
- if (imsg_add(buf, &s, sizeof(s)) == -1)
- return (-1);
- if (imsg_add_params(buf) == -1)
- return (-1);
- if (imsg_add(buf, k, strlen(k) + 1) == -1)
- return (-1);
- imsg_close(&priv->ibuf, buf);
-
- table_proc_call(priv);
- table_proc_read(&r, sizeof(r));
-
- if (r == 1 && dst) {
- if (rlen == 0) {
- log_warnx("warn: table-proc: empty response");
- fatalx("table-proc: exiting");
- }
- if (rdata[rlen - 1] != '\0') {
- log_warnx("warn: table-proc: not NUL-terminated");
- fatalx("table-proc: exiting");
- }
- *dst = strdup(rdata);
- if (*dst == NULL)
- r = -1;
- table_proc_read(NULL, rlen);
- }
-
- table_proc_end();
-
- return (r);
-}
-
-static int
-table_proc_fetch(struct table *table, enum table_service s, char **dst)
-{
- struct table_proc_priv *priv = table->t_handle;
- struct ibuf *buf;
- int r;
-
- buf = imsg_create(&priv->ibuf, PROC_TABLE_FETCH, 0, 0, sizeof(s));
- if (buf == NULL)
- return (-1);
- if (imsg_add(buf, &s, sizeof(s)) == -1)
- return (-1);
- if (imsg_add_params(buf) == -1)
- return (-1);
- imsg_close(&priv->ibuf, buf);
-
- table_proc_call(priv);
- table_proc_read(&r, sizeof(r));
-
- if (r == 1) {
- if (rlen == 0) {
- log_warnx("warn: table-proc: empty response");
- fatalx("table-proc: exiting");
- }
- if (rdata[rlen - 1] != '\0') {
- log_warnx("warn: table-proc: not NUL-terminated");
- fatalx("table-proc: exiting");
- }
- *dst = strdup(rdata);
- if (*dst == NULL)
- r = -1;
- table_proc_read(NULL, rlen);
- }
-
- table_proc_end();
-
- return (r);
-}
-
-struct table_backend table_backend_proc = {
- "proc",
- K_ANY,
- NULL,
- NULL,
- NULL,
- table_proc_open,
- table_proc_update,
- table_proc_close,
- table_proc_lookup,
- table_proc_fetch,
-};