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-rw-r--r--sys/contrib/lomac/syscall_gate.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/sys/contrib/lomac/syscall_gate.c b/sys/contrib/lomac/syscall_gate.c
deleted file mode 100644
index 7015e3c..0000000
--- a/sys/contrib/lomac/syscall_gate.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*-
- * Copyright (c) 2001 Networks Associates Technology, Inc.
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <sys/proc.h>
-#include <sys/syscall.h>
-#include <sys/sysent.h>
-
-#include <machine/frame.h>
-
-#include "syscall_gate.h"
-void syscall_gate_init(void);
-int syscall_gate(struct thread *td, caddr_t params);
-
-static struct syscall_gate sg;
-
-void
-syscall_gate_init(void) {
-
- sg.sg_table = curthread->td_proc->p_sysent->sv_table;
- bzero(sg.sg_oldsyscalls, sizeof(sg.sg_oldsyscalls));
-}
-
-int
-syscall_gate_register(int offset, sy_call_t *call, int narg, int mpsafe) {
- struct sysent *se;
- int error = 0;
-
- if (offset <= 0 || offset >= SYS_MAXSYSCALL) {
- error = EINVAL;
- goto out;
- }
- if (sg.sg_oldsyscalls[offset].sy_call != NULL) {
- error = EEXIST;
- goto out;
- }
- se = &sg.sg_table[offset];
- sg.sg_oldsyscalls[offset] = *se;
- se->sy_call = (sy_call_t *)call;
- se->sy_narg = narg | (mpsafe ? SYF_MPSAFE : 0);
-out:
- return (error);
-}
-
-void
-syscall_gate_deregister(int offset) {
- KASSERT(offset > 0 && offset < SYS_MAXSYSCALL, ("syscall offset %d out of range",
- offset));
- KASSERT(sg.sg_oldsyscalls[offset].sy_call != NULL, ("deregistering nonexistant syscall %d",
- offset));
- sg.sg_table[offset] = sg.sg_oldsyscalls[offset];
- sg.sg_oldsyscalls[offset].sy_call = NULL;
- sg.sg_oldsyscalls[offset].sy_narg = 0;
-}
-
-static int
-syscall_gate_modevent(module_t module, int event, void *unused) {
- int i;
-
- switch ((enum modeventtype)event) {
- case MOD_LOAD:
- syscall_gate_init();
- break;
- case MOD_UNLOAD:
- for (i = 1; i < SYS_MAXSYSCALL; i++) {
- struct sysent *se;
-
- se = &sg.sg_oldsyscalls[i];
- if (se->sy_call != NULL)
- sg.sg_table[i] = *se;
- }
- break;
- case MOD_SHUTDOWN:
- break;
- }
- return (0);
-}
-
-static moduledata_t syscall_gate_moduledata = {
- "syscall_gate",
- &syscall_gate_modevent,
- NULL
-};
-DECLARE_MODULE(syscall_gate, syscall_gate_moduledata, SI_SUB_DRIVERS, SI_ORDER_ANY);
-MODULE_VERSION(syscall_gate, 1);
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