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/* $OpenBSD: smtpctl.c,v 1.56 2011/03/09 20:59:22 gilles Exp $ */
/*
* Copyright (c) 2006 Pierre-Yves Ritschard <pyr@openbsd.org>
* Copyright (c) 2005 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
* Copyright (c) 2003 Henning Brauer <henning@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 <sys/types.h>
#include <sys/socket.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/un.h>
#include <sys/param.h>
#include <err.h>
#include <event.h>
#include <imsg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "smtpd.h"
#include "parser.h"
__dead void usage(void);
int show_command_output(struct imsg*);
int show_stats_output(struct imsg *);
int proctype;
struct imsgbuf *ibuf;
int sendmail = 0;
extern char *__progname;
__dead void
usage(void)
{
extern char *__progname;
if (sendmail)
fprintf(stderr, "usage: %s [-tv] [-f from] [-F name] to ..\n",
__progname);
else
fprintf(stderr, "usage: %s command [argument ...]\n", __progname);
exit(1);
}
int
main(int argc, char *argv[])
{
struct sockaddr_un sun;
struct parse_result *res = NULL;
struct imsg imsg;
int ctl_sock;
int done = 0;
int n, verbose = 0;
/* parse options */
if (strcmp(__progname, "sendmail") == 0 || strcmp(__progname, "send-mail") == 0)
sendmail = 1;
else if (strcmp(__progname, "mailq") == 0) {
if (geteuid())
errx(1, "need root privileges");
show_queue(PATH_QUEUE, 0);
return 0;
} else if (strcmp(__progname, "smtpctl") == 0) {
/* check for root privileges */
if (geteuid())
errx(1, "need root privileges");
if ((res = parse(argc - 1, argv + 1)) == NULL)
exit(1);
/* handle "disconnected" commands */
switch (res->action) {
case SHOW_QUEUE:
show_queue(PATH_QUEUE, 0);
break;
case SHOW_RUNQUEUE:
show_queue(PATH_RUNQUEUE, 0);
break;
default:
goto connected;
}
return 0;
} else
errx(1, "unsupported mode");
connected:
/* connect to smtpd control socket */
if ((ctl_sock = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
err(1, "socket");
bzero(&sun, sizeof(sun));
sun.sun_family = AF_UNIX;
strlcpy(sun.sun_path, SMTPD_SOCKET, sizeof(sun.sun_path));
if (connect(ctl_sock, (struct sockaddr *)&sun, sizeof(sun)) == -1) {
if (sendmail)
return enqueue_offline(argc, argv);
err(1, "connect: %s", SMTPD_SOCKET);
}
if ((ibuf = calloc(1, sizeof(struct imsgbuf))) == NULL)
err(1, NULL);
imsg_init(ibuf, ctl_sock);
if (sendmail)
return enqueue(argc, argv);
/* process user request */
switch (res->action) {
case NONE:
usage();
/* not reached */
case SHUTDOWN:
imsg_compose(ibuf, IMSG_CTL_SHUTDOWN, 0, 0, -1, NULL, 0);
break;
/*
case RELOAD:
imsg_compose(ibuf, IMSG_CONF_RELOAD, 0, 0, -1, NULL, 0);
break;
*/
case PAUSE_MDA:
imsg_compose(ibuf, IMSG_QUEUE_PAUSE_LOCAL, 0, 0, -1, NULL, 0);
break;
case PAUSE_MTA:
imsg_compose(ibuf, IMSG_QUEUE_PAUSE_OUTGOING, 0, 0, -1, NULL, 0);
break;
case PAUSE_SMTP:
imsg_compose(ibuf, IMSG_SMTP_PAUSE, 0, 0, -1, NULL, 0);
break;
case RESUME_MDA:
imsg_compose(ibuf, IMSG_QUEUE_RESUME_LOCAL, 0, 0, -1, NULL, 0);
break;
case RESUME_MTA:
imsg_compose(ibuf, IMSG_QUEUE_RESUME_OUTGOING, 0, 0, -1, NULL, 0);
break;
case RESUME_SMTP:
imsg_compose(ibuf, IMSG_SMTP_RESUME, 0, 0, -1, NULL, 0);
break;
case SHOW_STATS:
imsg_compose(ibuf, IMSG_STATS, 0, 0, -1, NULL, 0);
break;
case SCHEDULE: {
struct sched s;
s.fd = -1;
bzero(s.mid, sizeof (s.mid));
strlcpy(s.mid, res->data, sizeof (s.mid));
imsg_compose(ibuf, IMSG_QUEUE_SCHEDULE, 0, 0, -1, &s, sizeof (s));
break;
}
case REMOVE: {
struct remove s;
s.fd = -1;
bzero(s.mid, sizeof (s.mid));
strlcpy(s.mid, res->data, sizeof (s.mid));
imsg_compose(ibuf, IMSG_QUEUE_REMOVE, 0, 0, -1, &s, sizeof (s));
break;
}
case MONITOR:
/* XXX */
break;
case LOG_VERBOSE:
verbose = 1;
/* FALLTHROUGH */
case LOG_BRIEF:
imsg_compose(ibuf, IMSG_CTL_VERBOSE, 0, 0, -1, &verbose,
sizeof(verbose));
printf("logging request sent.\n");
done = 1;
break;
default:
err(1, "unknown request (%d)", res->action);
}
while (ibuf->w.queued)
if (msgbuf_write(&ibuf->w) < 0)
err(1, "write error");
while (!done) {
if ((n = imsg_read(ibuf)) == -1)
errx(1, "imsg_read error");
if (n == 0)
errx(1, "pipe closed");
while (!done) {
if ((n = imsg_get(ibuf, &imsg)) == -1)
errx(1, "imsg_get error");
if (n == 0)
break;
switch(res->action) {
/* case RELOAD:*/
case SHUTDOWN:
case SCHEDULE:
case REMOVE:
case PAUSE_MDA:
case PAUSE_MTA:
case PAUSE_SMTP:
case RESUME_MDA:
case RESUME_MTA:
case RESUME_SMTP:
case LOG_VERBOSE:
case LOG_BRIEF:
done = show_command_output(&imsg);
break;
case SHOW_STATS:
done = show_stats_output(&imsg);
break;
case NONE:
break;
case MONITOR:
break;
default:
err(1, "unexpected reply (%d)", res->action);
}
/* insert imsg replies switch here */
imsg_free(&imsg);
}
}
close(ctl_sock);
free(ibuf);
return (0);
}
int
show_command_output(struct imsg *imsg)
{
switch (imsg->hdr.type) {
case IMSG_CTL_OK:
printf("command succeeded\n");
break;
case IMSG_CTL_FAIL:
printf("command failed\n");
break;
default:
errx(1, "wrong message in summary: %u", imsg->hdr.type);
}
return (1);
}
int
show_stats_output(struct imsg *imsg)
{
struct stats *stats;
if (imsg->hdr.type != IMSG_STATS)
errx(1, "show_stats_output: bad hdr type (%d)", imsg->hdr.type);
if (IMSG_DATA_SIZE(imsg) != sizeof(*stats))
errx(1, "show_stats_output: bad data size");
stats = imsg->data;
printf("control.sessions=%zd\n", stats->control.sessions);
printf("control.sessions_active=%zd\n",
stats->control.sessions_active);
printf("control.sessions_maxactive=%zd\n",
stats->control.sessions_maxactive);
printf("mda.sessions=%zd\n", stats->mda.sessions);
printf("mda.sessions.active=%zd\n", stats->mda.sessions_active);
printf("mda.sessions.maxactive=%zd\n", stats->mda.sessions_maxactive);
printf("mta.sessions=%zd\n", stats->mta.sessions);
printf("mta.sessions.active=%zd\n", stats->mta.sessions_active);
printf("mta.sessions.maxactive=%zd\n", stats->mta.sessions_maxactive);
printf("parent.uptime=%d\n", time(NULL) - stats->parent.start);
printf("queue.inserts.local=%zd\n", stats->queue.inserts_local);
printf("queue.inserts.remote=%zd\n", stats->queue.inserts_remote);
printf("runner.active=%zd\n", stats->runner.active);
printf("runner.maxactive=%zd\n", stats->runner.maxactive);
printf("runner.bounces=%zd\n", stats->runner.bounces);
printf("runner.bounces.active=%zd\n", stats->runner.bounces_active);
printf("runner.bounces.maxactive=%zd\n",
stats->runner.bounces_maxactive);
printf("smtp.errors.delays=%zd\n", stats->smtp.delays);
printf("smtp.errors.linetoolong=%zd\n", stats->smtp.linetoolong);
printf("smtp.errors.read_eof=%zd\n", stats->smtp.read_eof);
printf("smtp.errors.read_system=%zd\n", stats->smtp.read_error);
printf("smtp.errors.read_timeout=%zd\n", stats->smtp.read_timeout);
printf("smtp.errors.tempfail=%zd\n", stats->smtp.tempfail);
printf("smtp.errors.toofast=%zd\n", stats->smtp.toofast);
printf("smtp.errors.write_eof=%zd\n", stats->smtp.write_eof);
printf("smtp.errors.write_system=%zd\n", stats->smtp.write_error);
printf("smtp.errors.write_timeout=%zd\n", stats->smtp.write_timeout);
printf("smtp.sessions.inet4=%zd\n", stats->smtp.sessions_inet4);
printf("smtp.sessions.inet6=%zd\n", stats->smtp.sessions_inet6);
printf("smtp.sessions=%zd\n", stats->smtp.sessions);
printf("smtp.sessions.aborted=%zd\n", stats->smtp.read_eof +
stats->smtp.read_error + stats->smtp.write_eof +
stats->smtp.write_error);
printf("smtp.sessions.active=%zd\n", stats->smtp.sessions_active);
printf("smtp.sessions.maxactive=%zd\n",
stats->smtp.sessions_maxactive);
printf("smtp.sessions.timeout=%zd\n", stats->smtp.read_timeout +
stats->smtp.write_timeout);
printf("smtp.sessions.smtps=%zd\n", stats->smtp.smtps);
printf("smtp.sessions.smtps.active=%zd\n", stats->smtp.smtps_active);
printf("smtp.sessions.smtps.maxactive=%zd\n",
stats->smtp.smtps_maxactive);
printf("smtp.sessions.starttls=%zd\n", stats->smtp.starttls);
printf("smtp.sessions.starttls.active=%zd\n",
stats->smtp.starttls_active);
printf("smtp.sessions.starttls.maxactive=%zd\n",
stats->smtp.starttls_maxactive);
return (1);
}
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