747 lines
20 KiB
C
747 lines
20 KiB
C
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/*-
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* Copyright (c) 2011, David E. O'Brien.
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* Copyright (c) 2009-2011, Juniper Networks, Inc.
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* All rights reserved.
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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 JUNIPER NETWORKS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JUNIPER NETWORKS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#if __FreeBSD_version > 800032
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#define FILEMON_HAS_LINKAT
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#endif
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#if __FreeBSD_version < 900044 /* r225617 (2011-09-16) failed to bump
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__FreeBSD_version. This really should
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be based on "900045". "900044" is r225469
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(2011-09-10) so this code is broken for
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9-CURRENT September 10th-16th. */
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#define sys_chdir chdir
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#define sys_execve execve
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#define sys_fork fork
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#define sys_link link
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#define sys_open open
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#define sys_rename rename
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#define sys_stat stat
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#define sys_symlink symlink
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#define sys_unlink unlink
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#define sys_vfork vfork
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#define sys_sys_exit sys_exit
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#ifdef FILEMON_HAS_LINKAT
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#define sys_linkat linkat
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#endif
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#endif /* __FreeBSD_version */
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static void
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filemon_output(struct filemon *filemon, char *msg, size_t len)
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{
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struct uio auio;
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struct iovec aiov;
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if (filemon->fp == NULL)
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return;
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aiov.iov_base = msg;
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aiov.iov_len = len;
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auio.uio_iov = &aiov;
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auio.uio_iovcnt = 1;
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auio.uio_resid = len;
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auio.uio_segflg = UIO_SYSSPACE;
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auio.uio_rw = UIO_WRITE;
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auio.uio_td = curthread;
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auio.uio_offset = (off_t) -1;
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bwillwrite();
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fo_write(filemon->fp, &auio, curthread->td_ucred, 0, curthread);
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}
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static struct filemon *
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filemon_pid_check(struct proc *p)
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{
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struct filemon *filemon;
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TAILQ_FOREACH(filemon, &filemons_inuse, link) {
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if (p->p_pid == filemon->pid)
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return (filemon);
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}
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if (p->p_pptr == NULL)
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return (NULL);
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return (filemon_pid_check(p->p_pptr));
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}
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static void
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filemon_comment(struct filemon *filemon)
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{
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int len;
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struct timeval now;
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/* Load timestamp before locking. Less accurate but less contention. */
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getmicrotime(&now);
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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len = snprintf(filemon->msgbufr, sizeof(filemon->msgbufr),
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"# filemon version %d\n# Target pid %d\n# Start %ju.%06ju\nV %d\n",
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FILEMON_VERSION, curproc->p_pid, (uintmax_t)now.tv_sec,
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(uintmax_t)now.tv_usec, FILEMON_VERSION);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
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filemon_filemon_unlock(filemon);
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/* Release the read lock. */
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filemon_unlock_read();
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}
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static int
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filemon_wrapper_chdir(struct thread *td, struct chdir_args *uap)
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{
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int ret;
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size_t done;
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size_t len;
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struct filemon *filemon;
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if ((ret = sys_chdir(td, uap)) == 0) {
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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if ((filemon = filemon_pid_check(curproc)) != NULL) {
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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copyinstr(uap->path, filemon->fname1,
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sizeof(filemon->fname1), &done);
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "C %d %s\n",
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curproc->p_pid, filemon->fname1);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
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filemon_filemon_unlock(filemon);
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}
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/* Release the read lock. */
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filemon_unlock_read();
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}
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return (ret);
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}
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static int
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filemon_wrapper_execve(struct thread *td, struct execve_args *uap)
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{
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char fname[MAXPATHLEN];
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int ret;
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size_t done;
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size_t len;
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struct filemon *filemon;
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copyinstr(uap->fname, fname, sizeof(fname), &done);
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if ((ret = sys_execve(td, uap)) == 0) {
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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if ((filemon = filemon_pid_check(curproc)) != NULL) {
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "E %d %s\n",
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curproc->p_pid, fname);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
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filemon_filemon_unlock(filemon);
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}
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/* Release the read lock. */
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filemon_unlock_read();
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}
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return (ret);
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}
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#if defined(COMPAT_IA32) || defined(COMPAT_FREEBSD32) || defined(COMPAT_ARCH32)
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static int
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filemon_wrapper_freebsd32_execve(struct thread *td,
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struct freebsd32_execve_args *uap)
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{
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char fname[MAXPATHLEN];
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int ret;
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size_t done;
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size_t len;
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struct filemon *filemon;
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copyinstr(uap->fname, fname, sizeof(fname), &done);
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if ((ret = freebsd32_execve(td, uap)) == 0) {
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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if ((filemon = filemon_pid_check(curproc)) != NULL) {
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "E %d %s\n",
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curproc->p_pid, fname);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
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filemon_filemon_unlock(filemon);
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}
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/* Release the read lock. */
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filemon_unlock_read();
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}
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return (ret);
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}
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#endif
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static int
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filemon_wrapper_fork(struct thread *td, struct fork_args *uap)
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{
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int ret;
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size_t len;
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struct filemon *filemon;
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if ((ret = sys_fork(td, uap)) == 0) {
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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if ((filemon = filemon_pid_check(curproc)) != NULL) {
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "F %d %ld\n",
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curproc->p_pid, (long)curthread->td_retval[0]);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
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filemon_filemon_unlock(filemon);
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}
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/* Release the read lock. */
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filemon_unlock_read();
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}
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return (ret);
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}
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static int
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filemon_wrapper_open(struct thread *td, struct open_args *uap)
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{
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int ret;
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size_t done;
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size_t len;
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struct filemon *filemon;
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if ((ret = sys_open(td, uap)) == 0) {
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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if ((filemon = filemon_pid_check(curproc)) != NULL) {
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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copyinstr(uap->path, filemon->fname1,
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sizeof(filemon->fname1), &done);
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if (uap->flags & O_RDWR) {
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/*
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* We'll get the W record below, but need
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* to also output an R to distingish from
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* O_WRONLY.
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*/
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "R %d %s\n",
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curproc->p_pid, filemon->fname1);
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filemon_output(filemon, filemon->msgbufr, len);
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}
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "%c %d %s\n",
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(uap->flags & O_ACCMODE) ? 'W':'R',
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curproc->p_pid, filemon->fname1);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
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filemon_filemon_unlock(filemon);
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}
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/* Release the read lock. */
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filemon_unlock_read();
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}
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return (ret);
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}
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static int
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filemon_wrapper_rename(struct thread *td, struct rename_args *uap)
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{
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int ret;
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size_t done;
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size_t len;
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struct filemon *filemon;
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if ((ret = sys_rename(td, uap)) == 0) {
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/* Grab a read lock on the filemon inuse list. */
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filemon_lock_read();
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if ((filemon = filemon_pid_check(curproc)) != NULL) {
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/* Lock the found filemon structure. */
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filemon_filemon_lock(filemon);
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copyinstr(uap->from, filemon->fname1,
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sizeof(filemon->fname1), &done);
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copyinstr(uap->to, filemon->fname2,
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sizeof(filemon->fname2), &done);
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len = snprintf(filemon->msgbufr,
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sizeof(filemon->msgbufr), "M %d '%s' '%s'\n",
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curproc->p_pid, filemon->fname1, filemon->fname2);
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filemon_output(filemon, filemon->msgbufr, len);
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/* Unlock the found filemon structure. */
|
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filemon_filemon_unlock(filemon);
|
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}
|
||
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|
||
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/* Release the read lock. */
|
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filemon_unlock_read();
|
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}
|
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|
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return (ret);
|
||
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}
|
||
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|
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static int
|
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filemon_wrapper_link(struct thread *td, struct link_args *uap)
|
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{
|
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int ret;
|
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size_t done;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
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|
|
||
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if ((ret = sys_link(td, uap)) == 0) {
|
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/* Grab a read lock on the filemon inuse list. */
|
||
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filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
copyinstr(uap->path, filemon->fname1,
|
||
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sizeof(filemon->fname1), &done);
|
||
|
copyinstr(uap->link, filemon->fname2,
|
||
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sizeof(filemon->fname2), &done);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
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sizeof(filemon->msgbufr), "L %d '%s' '%s'\n",
|
||
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curproc->p_pid, filemon->fname1, filemon->fname2);
|
||
|
|
||
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filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
filemon_wrapper_symlink(struct thread *td, struct symlink_args *uap)
|
||
|
{
|
||
|
int ret;
|
||
|
size_t done;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
|
||
|
if ((ret = sys_symlink(td, uap)) == 0) {
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
copyinstr(uap->path, filemon->fname1,
|
||
|
sizeof(filemon->fname1), &done);
|
||
|
copyinstr(uap->link, filemon->fname2,
|
||
|
sizeof(filemon->fname2), &done);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr), "L %d '%s' '%s'\n",
|
||
|
curproc->p_pid, filemon->fname1, filemon->fname2);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
|
||
|
#ifdef FILEMON_HAS_LINKAT
|
||
|
static int
|
||
|
filemon_wrapper_linkat(struct thread *td, struct linkat_args *uap)
|
||
|
{
|
||
|
int ret;
|
||
|
size_t done;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
|
||
|
if ((ret = sys_linkat(td, uap)) == 0) {
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
copyinstr(uap->path1, filemon->fname1,
|
||
|
sizeof(filemon->fname1), &done);
|
||
|
copyinstr(uap->path2, filemon->fname2,
|
||
|
sizeof(filemon->fname2), &done);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr), "L %d '%s' '%s'\n",
|
||
|
curproc->p_pid, filemon->fname1, filemon->fname2);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
static int
|
||
|
filemon_wrapper_stat(struct thread *td, struct stat_args *uap)
|
||
|
{
|
||
|
int ret;
|
||
|
size_t done;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
|
||
|
if ((ret = sys_stat(td, uap)) == 0) {
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
copyinstr(uap->path, filemon->fname1,
|
||
|
sizeof(filemon->fname1), &done);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr), "S %d %s\n",
|
||
|
curproc->p_pid, filemon->fname1);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
|
||
|
#if defined(COMPAT_IA32) || defined(COMPAT_FREEBSD32) || defined(COMPAT_ARCH32)
|
||
|
static int
|
||
|
filemon_wrapper_freebsd32_stat(struct thread *td,
|
||
|
struct freebsd32_stat_args *uap)
|
||
|
{
|
||
|
int ret;
|
||
|
size_t done;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
|
||
|
if ((ret = freebsd32_stat(td, uap)) == 0) {
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
copyinstr(uap->path, filemon->fname1,
|
||
|
sizeof(filemon->fname1), &done);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr), "S %d %s\n",
|
||
|
curproc->p_pid, filemon->fname1);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
static void
|
||
|
filemon_wrapper_sys_exit(struct thread *td, struct sys_exit_args *uap)
|
||
|
{
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
struct timeval now;
|
||
|
|
||
|
/* Get timestamp before locking. */
|
||
|
getmicrotime(&now);
|
||
|
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr, sizeof(filemon->msgbufr),
|
||
|
"X %d %d\n", curproc->p_pid, uap->rval);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Check if the monitored process is about to exit. */
|
||
|
if (filemon->pid == curproc->p_pid) {
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr),
|
||
|
"# Stop %ju.%06ju\n# Bye bye\n",
|
||
|
(uintmax_t)now.tv_sec, (uintmax_t)now.tv_usec);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
}
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
|
||
|
sys_sys_exit(td, uap);
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
filemon_wrapper_unlink(struct thread *td, struct unlink_args *uap)
|
||
|
{
|
||
|
int ret;
|
||
|
size_t done;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
|
||
|
if ((ret = sys_unlink(td, uap)) == 0) {
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
copyinstr(uap->path, filemon->fname1,
|
||
|
sizeof(filemon->fname1), &done);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr), "D %d %s\n",
|
||
|
curproc->p_pid, filemon->fname1);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
filemon_wrapper_vfork(struct thread *td, struct vfork_args *uap)
|
||
|
{
|
||
|
int ret;
|
||
|
size_t len;
|
||
|
struct filemon *filemon;
|
||
|
|
||
|
if ((ret = sys_vfork(td, uap)) == 0) {
|
||
|
/* Grab a read lock on the filemon inuse list. */
|
||
|
filemon_lock_read();
|
||
|
|
||
|
if ((filemon = filemon_pid_check(curproc)) != NULL) {
|
||
|
/* Lock the found filemon structure. */
|
||
|
filemon_filemon_lock(filemon);
|
||
|
|
||
|
len = snprintf(filemon->msgbufr,
|
||
|
sizeof(filemon->msgbufr), "F %d %ld\n",
|
||
|
curproc->p_pid, (long)curthread->td_retval[0]);
|
||
|
|
||
|
filemon_output(filemon, filemon->msgbufr, len);
|
||
|
|
||
|
/* Unlock the found filemon structure. */
|
||
|
filemon_filemon_unlock(filemon);
|
||
|
}
|
||
|
|
||
|
/* Release the read lock. */
|
||
|
filemon_unlock_read();
|
||
|
}
|
||
|
|
||
|
return (ret);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
filemon_wrapper_install(void)
|
||
|
{
|
||
|
#if defined(__i386__)
|
||
|
struct sysent *sv_table = elf32_freebsd_sysvec.sv_table;
|
||
|
#elif defined(__amd64__)
|
||
|
struct sysent *sv_table = elf64_freebsd_sysvec.sv_table;
|
||
|
#else
|
||
|
#error Machine type not supported
|
||
|
#endif
|
||
|
|
||
|
sv_table[SYS_chdir].sy_call = (sy_call_t *) filemon_wrapper_chdir;
|
||
|
sv_table[SYS_exit].sy_call = (sy_call_t *) filemon_wrapper_sys_exit;
|
||
|
sv_table[SYS_execve].sy_call = (sy_call_t *) filemon_wrapper_execve;
|
||
|
sv_table[SYS_fork].sy_call = (sy_call_t *) filemon_wrapper_fork;
|
||
|
sv_table[SYS_open].sy_call = (sy_call_t *) filemon_wrapper_open;
|
||
|
sv_table[SYS_rename].sy_call = (sy_call_t *) filemon_wrapper_rename;
|
||
|
sv_table[SYS_stat].sy_call = (sy_call_t *) filemon_wrapper_stat;
|
||
|
sv_table[SYS_unlink].sy_call = (sy_call_t *) filemon_wrapper_unlink;
|
||
|
sv_table[SYS_vfork].sy_call = (sy_call_t *) filemon_wrapper_vfork;
|
||
|
sv_table[SYS_link].sy_call = (sy_call_t *) filemon_wrapper_link;
|
||
|
sv_table[SYS_symlink].sy_call = (sy_call_t *) filemon_wrapper_symlink;
|
||
|
#ifdef FILEMON_HAS_LINKAT
|
||
|
sv_table[SYS_linkat].sy_call = (sy_call_t *) filemon_wrapper_linkat;
|
||
|
#endif
|
||
|
|
||
|
#if defined(COMPAT_IA32) || defined(COMPAT_FREEBSD32) || defined(COMPAT_ARCH32)
|
||
|
sv_table = ia32_freebsd_sysvec.sv_table;
|
||
|
|
||
|
sv_table[FREEBSD32_SYS_chdir].sy_call = (sy_call_t *) filemon_wrapper_chdir;
|
||
|
sv_table[FREEBSD32_SYS_exit].sy_call = (sy_call_t *) filemon_wrapper_sys_exit;
|
||
|
sv_table[FREEBSD32_SYS_freebsd32_execve].sy_call = (sy_call_t *) filemon_wrapper_freebsd32_execve;
|
||
|
sv_table[FREEBSD32_SYS_fork].sy_call = (sy_call_t *) filemon_wrapper_fork;
|
||
|
sv_table[FREEBSD32_SYS_open].sy_call = (sy_call_t *) filemon_wrapper_open;
|
||
|
sv_table[FREEBSD32_SYS_rename].sy_call = (sy_call_t *) filemon_wrapper_rename;
|
||
|
sv_table[FREEBSD32_SYS_freebsd32_stat].sy_call = (sy_call_t *) filemon_wrapper_freebsd32_stat;
|
||
|
sv_table[FREEBSD32_SYS_unlink].sy_call = (sy_call_t *) filemon_wrapper_unlink;
|
||
|
sv_table[FREEBSD32_SYS_vfork].sy_call = (sy_call_t *) filemon_wrapper_vfork;
|
||
|
sv_table[FREEBSD32_SYS_link].sy_call = (sy_call_t *) filemon_wrapper_link;
|
||
|
sv_table[FREEBSD32_SYS_symlink].sy_call = (sy_call_t *) filemon_wrapper_symlink;
|
||
|
#ifdef FILEMON_HAS_LINKAT
|
||
|
sv_table[FREEBSD32_SYS_linkat].sy_call = (sy_call_t *) filemon_wrapper_linkat;
|
||
|
#endif
|
||
|
#endif /* COMPAT_ARCH32 */
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
filemon_wrapper_deinstall(void)
|
||
|
{
|
||
|
#if defined(__i386__)
|
||
|
struct sysent *sv_table = elf32_freebsd_sysvec.sv_table;
|
||
|
#elif defined(__amd64__)
|
||
|
struct sysent *sv_table = elf64_freebsd_sysvec.sv_table;
|
||
|
#else
|
||
|
#error Machine type not supported
|
||
|
#endif
|
||
|
|
||
|
sv_table[SYS_chdir].sy_call = (sy_call_t *)sys_chdir;
|
||
|
sv_table[SYS_exit].sy_call = (sy_call_t *)sys_sys_exit;
|
||
|
sv_table[SYS_execve].sy_call = (sy_call_t *)sys_execve;
|
||
|
sv_table[SYS_fork].sy_call = (sy_call_t *)sys_fork;
|
||
|
sv_table[SYS_open].sy_call = (sy_call_t *)sys_open;
|
||
|
sv_table[SYS_rename].sy_call = (sy_call_t *)sys_rename;
|
||
|
sv_table[SYS_stat].sy_call = (sy_call_t *)sys_stat;
|
||
|
sv_table[SYS_unlink].sy_call = (sy_call_t *)sys_unlink;
|
||
|
sv_table[SYS_vfork].sy_call = (sy_call_t *)sys_vfork;
|
||
|
sv_table[SYS_link].sy_call = (sy_call_t *)sys_link;
|
||
|
sv_table[SYS_symlink].sy_call = (sy_call_t *)sys_symlink;
|
||
|
#ifdef FILEMON_HAS_LINKAT
|
||
|
sv_table[SYS_linkat].sy_call = (sy_call_t *)sys_linkat;
|
||
|
#endif
|
||
|
|
||
|
#if defined(COMPAT_IA32) || defined(COMPAT_FREEBSD32) || defined(COMPAT_ARCH32)
|
||
|
sv_table = ia32_freebsd_sysvec.sv_table;
|
||
|
|
||
|
sv_table[FREEBSD32_SYS_chdir].sy_call = (sy_call_t *)sys_chdir;
|
||
|
sv_table[FREEBSD32_SYS_exit].sy_call = (sy_call_t *)sys_sys_exit;
|
||
|
sv_table[FREEBSD32_SYS_freebsd32_execve].sy_call = (sy_call_t *)freebsd32_execve;
|
||
|
sv_table[FREEBSD32_SYS_fork].sy_call = (sy_call_t *)sys_fork;
|
||
|
sv_table[FREEBSD32_SYS_open].sy_call = (sy_call_t *)sys_open;
|
||
|
sv_table[FREEBSD32_SYS_rename].sy_call = (sy_call_t *)sys_rename;
|
||
|
sv_table[FREEBSD32_SYS_freebsd32_stat].sy_call = (sy_call_t *)freebsd32_stat;
|
||
|
sv_table[FREEBSD32_SYS_unlink].sy_call = (sy_call_t *)sys_unlink;
|
||
|
sv_table[FREEBSD32_SYS_vfork].sy_call = (sy_call_t *)sys_vfork;
|
||
|
sv_table[FREEBSD32_SYS_link].sy_call = (sy_call_t *)sys_link;
|
||
|
sv_table[FREEBSD32_SYS_symlink].sy_call = (sy_call_t *)sys_symlink;
|
||
|
#ifdef FILEMON_HAS_LINKAT
|
||
|
sv_table[FREEBSD32_SYS_linkat].sy_call = (sy_call_t *)sys_linkat;
|
||
|
#endif
|
||
|
#endif /* COMPAT_ARCH32 */
|
||
|
}
|