63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
/* $NetBSD: filemon.h,v 1.9 2016/01/11 01:37:36 pgoyette Exp $ */
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/*
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* Copyright (c) 2010, Juniper Networks, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FILEMON_SET_FD
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#include <sys/ioccom.h>
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#ifndef _PATH_FILEMON
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#define _PATH_FILEMON "/dev/filemon"
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#endif
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#define FILEMON_SET_FD _IOWR('S', 1, int)
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#define FILEMON_SET_PID _IOWR('S', 2, pid_t)
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#define FILEMON_VERSION 5
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#ifdef _KERNEL
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struct filemon {
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pid_t fm_pid; /* The process ID being monitored. */
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char fm_fname1[MAXPATHLEN];/* Temporary filename buffer. */
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char fm_fname2[MAXPATHLEN];/* Temporary filename buffer. */
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char fm_msgbufr[32 + 2 * MAXPATHLEN]; /* Output message buffer. */
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struct file *fm_fp; /* Output file pointer. */
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krwlock_t fm_mtx; /* Lock mutex for this filemon. */
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TAILQ_ENTRY(filemon) fm_link; /* Link into the in-use list. */
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};
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struct hijack {
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int hj_index;
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sy_call_t *hj_funcs[2]; /* [0] = original, [1] = hijack */
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};
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struct filemon * filemon_lookup(struct proc *);
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void filemon_output(struct filemon *, char *, size_t);
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int syscall_hijack(struct sysent *, const struct hijack *, bool);
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int filemon_wrapper_install(void);
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int filemon_wrapper_deinstall(void);
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void filemon_printf(struct filemon *, const char *, ...) __printflike(2, 3);
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#endif
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#endif
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