mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-24 11:29:10 +00:00
5221106c04
Checked with: md5, diff -w
152 lines
3.2 KiB
C
152 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2002-2003 Luigi Rizzo
|
|
* Copyright (c) 1996 Alex Nash, Paul Traina, Poul-Henning Kamp
|
|
* Copyright (c) 1994 Ugen J.S.Antsilevich
|
|
*
|
|
* Idea and grammar partially left from:
|
|
* Copyright (c) 1993 Daniel Boulet
|
|
*
|
|
* Redistribution and use in source forms, with and without modification,
|
|
* are permitted provided that this entire comment appears intact.
|
|
*
|
|
* Redistribution in binary form may occur without any restrictions.
|
|
* Obviously, it would be nice if you gave credit where credit is due
|
|
* but requiring it would be too onerous.
|
|
*
|
|
* This software is provided ``AS IS'' without any warranties of any kind.
|
|
*
|
|
* NEW command line interface for IP firewall facility
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* altq interface
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
|
|
#include "ipfw2.h"
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sysexits.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
|
|
#include <net/if.h> /* IFNAMSIZ */
|
|
#include <net/pfvar.h>
|
|
#include <netinet/in.h> /* in_addr */
|
|
#include <netinet/ip_fw.h>
|
|
|
|
/*
|
|
* Map between current altq queue id numbers and names.
|
|
*/
|
|
static TAILQ_HEAD(, pf_altq) altq_entries =
|
|
TAILQ_HEAD_INITIALIZER(altq_entries);
|
|
|
|
void
|
|
altq_set_enabled(int enabled)
|
|
{
|
|
int pffd;
|
|
|
|
pffd = open("/dev/pf", O_RDWR);
|
|
if (pffd == -1)
|
|
err(EX_UNAVAILABLE,
|
|
"altq support opening pf(4) control device");
|
|
if (enabled) {
|
|
if (ioctl(pffd, DIOCSTARTALTQ) != 0 && errno != EEXIST)
|
|
err(EX_UNAVAILABLE, "enabling altq");
|
|
} else {
|
|
if (ioctl(pffd, DIOCSTOPALTQ) != 0 && errno != ENOENT)
|
|
err(EX_UNAVAILABLE, "disabling altq");
|
|
}
|
|
close(pffd);
|
|
}
|
|
|
|
static void
|
|
altq_fetch(void)
|
|
{
|
|
struct pfioc_altq pfioc;
|
|
struct pf_altq *altq;
|
|
int pffd;
|
|
unsigned int mnr;
|
|
static int altq_fetched = 0;
|
|
|
|
if (altq_fetched)
|
|
return;
|
|
altq_fetched = 1;
|
|
pffd = open("/dev/pf", O_RDONLY);
|
|
if (pffd == -1) {
|
|
warn("altq support opening pf(4) control device");
|
|
return;
|
|
}
|
|
bzero(&pfioc, sizeof(pfioc));
|
|
if (ioctl(pffd, DIOCGETALTQS, &pfioc) != 0) {
|
|
warn("altq support getting queue list");
|
|
close(pffd);
|
|
return;
|
|
}
|
|
mnr = pfioc.nr;
|
|
for (pfioc.nr = 0; pfioc.nr < mnr; pfioc.nr++) {
|
|
if (ioctl(pffd, DIOCGETALTQ, &pfioc) != 0) {
|
|
if (errno == EBUSY)
|
|
break;
|
|
warn("altq support getting queue list");
|
|
close(pffd);
|
|
return;
|
|
}
|
|
if (pfioc.altq.qid == 0)
|
|
continue;
|
|
altq = safe_calloc(1, sizeof(*altq));
|
|
*altq = pfioc.altq;
|
|
TAILQ_INSERT_TAIL(&altq_entries, altq, entries);
|
|
}
|
|
close(pffd);
|
|
}
|
|
|
|
u_int32_t
|
|
altq_name_to_qid(const char *name)
|
|
{
|
|
struct pf_altq *altq;
|
|
|
|
altq_fetch();
|
|
TAILQ_FOREACH(altq, &altq_entries, entries)
|
|
if (strcmp(name, altq->qname) == 0)
|
|
break;
|
|
if (altq == NULL)
|
|
errx(EX_DATAERR, "altq has no queue named `%s'", name);
|
|
return altq->qid;
|
|
}
|
|
|
|
static const char *
|
|
altq_qid_to_name(u_int32_t qid)
|
|
{
|
|
struct pf_altq *altq;
|
|
|
|
altq_fetch();
|
|
TAILQ_FOREACH(altq, &altq_entries, entries)
|
|
if (qid == altq->qid)
|
|
break;
|
|
if (altq == NULL)
|
|
return NULL;
|
|
return altq->qname;
|
|
}
|
|
|
|
void
|
|
print_altq_cmd(ipfw_insn_altq *altqptr)
|
|
{
|
|
if (altqptr) {
|
|
const char *qname;
|
|
|
|
qname = altq_qid_to_name(altqptr->qid);
|
|
if (qname == NULL)
|
|
printf(" altq ?<%u>", altqptr->qid);
|
|
else
|
|
printf(" altq %s", qname);
|
|
}
|
|
}
|