diff options
author | ps <ps@FreeBSD.org> | 2000-07-29 04:09:07 +0000 |
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committer | ps <ps@FreeBSD.org> | 2000-07-29 04:09:07 +0000 |
commit | 7588cd1d2a1eaa6ec1813de0ea097c7de9759ae4 (patch) | |
tree | c65f494371d3e164ae143c4cc8cc37de802d04df /sys | |
parent | b0760261f3200da42148bf5fcd0e1d2db055f930 (diff) | |
download | FreeBSD-src-7588cd1d2a1eaa6ec1813de0ea097c7de9759ae4.zip FreeBSD-src-7588cd1d2a1eaa6ec1813de0ea097c7de9759ae4.tar.gz |
Remove this file incase of further confusion.
Diffstat (limited to 'sys')
-rw-r--r-- | sys/kern/kern_accf.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/sys/kern/kern_accf.c b/sys/kern/kern_accf.c deleted file mode 100644 index e6b7d61..0000000 --- a/sys/kern/kern_accf.c +++ /dev/null @@ -1,142 +0,0 @@ -/*- - * Copyright (c) 2000 Alfred Perlstein <alfred@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#define ACCEPT_FILTER_MOD - -#include "opt_param.h" -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/domain.h> -#include <sys/kernel.h> -#include <sys/proc.h> -#include <sys/malloc.h> -#include <sys/mbuf.h> -#include <sys/protosw.h> -#include <sys/socket.h> -#include <sys/socketvar.h> -#include <sys/queue.h> - -static SLIST_HEAD(, accept_filter) accept_filtlsthd = - SLIST_HEAD_INITIALIZER(&accept_filtlsthd); - -MALLOC_DEFINE(M_ACCF, "accf", "accept filter data"); - -/* - * must be passed a malloc'd structure so we don't explode if the kld - * is unloaded, we leak the struct on deallocation to deal with this, - * but if a filter is loaded with the same name as a leaked one we re-use - * the entry. - */ -int -accept_filt_add(struct accept_filter *filt) -{ - struct accept_filter *p; - - SLIST_FOREACH(p, &accept_filtlsthd, accf_next) - if (strcmp(p->accf_name, filt->accf_name) == 0) { - if (p->accf_callback != NULL) { - return (EEXIST); - } else { - p->accf_callback = filt->accf_callback; - FREE(filt, M_ACCF); - return (0); - } - } - - if (p == NULL) - SLIST_INSERT_HEAD(&accept_filtlsthd, filt, accf_next); - return (0); -} - -int -accept_filt_del(char *name) -{ - struct accept_filter *p; - - p = accept_filt_get(name); - if (p == NULL) - return (ENOENT); - - p->accf_callback = NULL; - return (0); -} - -struct accept_filter * -accept_filt_get(char *name) -{ - struct accept_filter *p; - - SLIST_FOREACH(p, &accept_filtlsthd, accf_next) - if (strcmp(p->accf_name, name) == 0) - return (p); - - return (NULL); -} - -int -accept_filt_generic_mod_event(module_t mod, int event, void *data) -{ - struct accept_filter *p; - struct accept_filter *accfp = (struct accept_filter *) data; - int s, error; - - switch (event) { - case MOD_LOAD: - MALLOC(p, struct accept_filter *, sizeof(*p), M_ACCF, M_WAITOK); - bcopy(accfp, p, sizeof(*p)); - s = splnet(); - error = accept_filt_add(p); - splx(s); - break; - - case MOD_UNLOAD: - /* - * Do not support unloading yet. we don't keep track of refcounts - * and unloading an accept filter callback and then having it called - * is a bad thing. A simple fix would be to track the refcount - * in the struct accept_filter. - */ -#if 0 - s = splnet(); - error = accept_filt_del(accfp->accf_name); - splx(s); -#endif - error = EOPNOTSUPP; - break; - - case MOD_SHUTDOWN: - error = 0; - break; - - default: - error = EOPNOTSUPP; - break; - } - - return (error); -} |