498 lines
20 KiB
C
498 lines
20 KiB
C
/* $NetBSD: register.c,v 1.18 2006/04/16 05:19:02 provos Exp $ */
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/* $OpenBSD: register.c,v 1.11 2002/08/05 14:49:27 provos Exp $ */
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/*
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* Copyright 2002 Niels Provos <provos@citi.umich.edu>
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Niels Provos.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/tree.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <err.h>
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#include "intercept.h"
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#include "systrace.h"
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#define X(x) if ((x) == -1) \
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err(1, "%s:%d: intercept failed", __func__, __LINE__)
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void
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systrace_initcb(void)
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{
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struct systrace_alias *alias;
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struct intercept_translate *tl;
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X(intercept_init());
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#ifdef __NetBSD__
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X(intercept_register_gencb(gen_cb, NULL));
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/* 5: open [fswrite] */
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X(intercept_register_sccb("netbsd", "open", trans_cb, NULL));
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tl = intercept_register_transfn("netbsd", "open", 0);
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intercept_register_translation("netbsd", "open", 1, &ic_oflags);
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alias = systrace_new_alias("netbsd", "open", "netbsd", "fswrite");
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systrace_alias_add_trans(alias, tl);
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/* 9: link */
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X(intercept_register_sccb("netbsd", "link", trans_cb, NULL));
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intercept_register_transfn("netbsd", "link", 0);
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intercept_register_transfn("netbsd", "link", 1);
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/* 10: unlink [fswrite] */
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X(intercept_register_sccb("netbsd", "unlink", trans_cb, NULL));
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tl = intercept_register_translation("netbsd", "unlink", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("netbsd", "unlink", "netbsd", "fswrite");
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systrace_alias_add_trans(alias, tl);
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/* 12: chdir */
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X(intercept_register_sccb("netbsd", "chdir", trans_cb, NULL));
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intercept_register_transfn("netbsd", "chdir", 0);
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/* 15: chmod */
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X(intercept_register_sccb("netbsd", "chmod", trans_cb, NULL));
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intercept_register_transfn("netbsd", "chmod", 0);
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intercept_register_translation("netbsd", "chmod", 1, &ic_modeflags);
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/* 16: chown */
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X(intercept_register_sccb("netbsd", "chown", trans_cb, NULL));
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intercept_register_transfn("netbsd", "chown", 0);
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intercept_register_translation("netbsd", "chown", 1, &ic_uidt);
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intercept_register_translation("netbsd", "chown", 2, &ic_gidt);
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/* 23: setuid */
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X(intercept_register_sccb("netbsd", "setuid", trans_cb, NULL));
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intercept_register_translation("netbsd", "setuid", 0, &ic_uidt);
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intercept_register_translation("netbsd", "setuid", 0, &ic_uname);
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/* 28: sendmsg */
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X(intercept_register_sccb("netbsd", "sendmsg", trans_cb, NULL));
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intercept_register_translation("netbsd", "sendmsg", 1,
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&ic_translate_sendmsg);
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/* 33: access [fsread] */
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X(intercept_register_sccb("netbsd", "access", trans_cb, NULL));
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tl = intercept_register_transfn("netbsd", "access", 0);
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alias = systrace_new_alias("netbsd", "access", "netbsd", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* 37: kill */
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X(intercept_register_sccb("netbsd", "kill", trans_cb, NULL));
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intercept_register_translation("netbsd", "kill", 0, &ic_pidname);
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intercept_register_translation("netbsd", "kill", 1, &ic_signame);
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/* 57: symlink */
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X(intercept_register_sccb("netbsd", "symlink", trans_cb, NULL));
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intercept_register_transstring("netbsd", "symlink", 0);
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intercept_register_transfn("netbsd", "symlink", 1);
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/* 58: readlink [fsread] */
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X(intercept_register_sccb("netbsd", "readlink", trans_cb, NULL));
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tl = intercept_register_translation("netbsd", "readlink", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("netbsd", "readlink", "netbsd", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* 59: execve */
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X(intercept_register_sccb("netbsd", "execve", trans_cb, NULL));
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intercept_register_transfn("netbsd", "execve", 0);
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intercept_register_translation("netbsd", "execve", 1, &ic_trargv);
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/* 61: chroot */
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X(intercept_register_sccb("netbsd", "chroot", trans_cb, NULL));
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intercept_register_transfn("netbsd", "chroot", 0);
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/* 71: mmap */
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X(intercept_register_sccb("netbsd", "mmap", trans_cb, NULL));
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intercept_register_translation("netbsd", "mmap", 2, &ic_memprot);
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/* 74: mprotect */
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X(intercept_register_sccb("netbsd", "mprotect", trans_cb, NULL));
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intercept_register_translation("netbsd", "mprotect", 2, &ic_memprot);
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/* 92: fcntl */
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X(intercept_register_sccb("netbsd", "fcntl", trans_cb, NULL));
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intercept_register_translation("netbsd", "fcntl", 1, &ic_fcntlcmd);
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/* 97: socket */
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X(intercept_register_sccb("netbsd", "socket", trans_cb, NULL));
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intercept_register_translation("netbsd", "socket", 0, &ic_sockdom);
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intercept_register_translation("netbsd", "socket", 1, &ic_socktype);
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/* 98: connect */
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X(intercept_register_sccb("netbsd", "connect", trans_cb, NULL));
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intercept_register_translation("netbsd", "connect", 1,
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&ic_translate_connect);
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/* 104: bind */
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X(intercept_register_sccb("netbsd", "bind", trans_cb, NULL));
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intercept_register_translation("netbsd", "bind", 1,
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&ic_translate_connect);
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/* 123: fchown */
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X(intercept_register_sccb("netbsd", "fchown", trans_cb, NULL));
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intercept_register_translation("netbsd", "fchown", 0, &ic_fdt);
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intercept_register_translation("netbsd", "fchown", 1, &ic_uidt);
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intercept_register_translation("netbsd", "fchown", 2, &ic_gidt);
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/* 124: fchmod */
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X(intercept_register_sccb("netbsd", "fchmod", trans_cb, NULL));
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intercept_register_translation("netbsd", "fchmod", 0, &ic_fdt);
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intercept_register_translation("netbsd", "fchmod", 1, &ic_modeflags);
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/* 128: rename */
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X(intercept_register_sccb("netbsd", "rename", trans_cb, NULL));
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intercept_register_translation("netbsd", "rename", 0,
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&ic_translate_unlinkname);
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intercept_register_transfn("netbsd", "rename", 1);
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/* 133: sendto */
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X(intercept_register_sccb("netbsd", "sendto", trans_cb, NULL));
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intercept_register_translation("netbsd", "sendto", 4,
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&ic_translate_connect);
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/* 136: mkdir [fswrite] */
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X(intercept_register_sccb("netbsd", "mkdir", trans_cb, NULL));
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tl = intercept_register_translation("netbsd", "mkdir", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("netbsd", "mkdir", "netbsd", "fswrite");
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systrace_alias_add_trans(alias, tl);
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/* 137: rmdir [fswrite] */
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X(intercept_register_sccb("netbsd", "rmdir", trans_cb, NULL));
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tl = intercept_register_transfn("netbsd", "rmdir", 0);
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alias = systrace_new_alias("netbsd", "rmdir", "netbsd", "fswrite");
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systrace_alias_add_trans(alias, tl);
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/* 181: setgid */
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X(intercept_register_sccb("netbsd", "setgid", trans_cb, NULL));
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intercept_register_translation("netbsd", "setgid", 0, &ic_gidt);
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/* 182: setegid */
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X(intercept_register_sccb("netbsd", "setegid", trans_cb, NULL));
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intercept_register_translation("netbsd", "setegid", 0, &ic_gidt);
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/* 183: seteuid */
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X(intercept_register_sccb("netbsd", "seteuid", trans_cb, NULL));
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intercept_register_translation("netbsd", "seteuid", 0, &ic_uidt);
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intercept_register_translation("netbsd", "seteuid", 0, &ic_uname);
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/* 270: __posix_rename */
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X(intercept_register_sccb("netbsd", "__posix_rename", trans_cb, NULL));
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intercept_register_translation("netbsd", "__posix_rename", 0,
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&ic_translate_unlinkname);
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intercept_register_transfn("netbsd", "__posix_rename", 1);
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/* 278: compat_30___stat13 [fsread] */
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X(intercept_register_sccb("netbsd", "compat_30___stat13", trans_cb, NULL));
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tl = intercept_register_transfn("netbsd", "compat_30___stat13", 0);
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alias = systrace_new_alias("netbsd", "compat_30___stat13", "netbsd", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* 280: compat_30___lstat13 [fsread] */
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X(intercept_register_sccb("netbsd", "compat_30___lstat13", trans_cb, NULL));
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tl = intercept_register_translation("netbsd", "compat_30___lstat13", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("netbsd", "compat_30___lstat13", "netbsd", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* 283: __posix_chown */
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X(intercept_register_sccb("netbsd", "__posix_chown", trans_cb, NULL));
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intercept_register_transfn("netbsd", "__posix_chown", 0);
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intercept_register_translation("netbsd", "__posix_chown", 1, &ic_uidt);
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intercept_register_translation("netbsd", "__posix_chown", 2, &ic_gidt);
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/* 284: __posix_fchown */
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X(intercept_register_sccb("netbsd", "__posix_fchown", trans_cb, NULL));
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intercept_register_translation("netbsd", "__posix_fchown", 0, &ic_fdt);
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intercept_register_translation("netbsd", "__posix_fchown", 1, &ic_uidt);
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intercept_register_translation("netbsd", "__posix_fchown", 2, &ic_gidt);
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/* __stat30 [fsread] */
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X(intercept_register_sccb("netbsd", "__stat30", trans_cb, NULL));
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tl = intercept_register_transfn("netbsd", "__stat30", 0);
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alias = systrace_new_alias("netbsd", "__stat30", "netbsd", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* __lstat30 [fsread] */
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X(intercept_register_sccb("netbsd", "__lstat30", trans_cb, NULL));
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tl = intercept_register_translation("netbsd", "__lstat30", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("netbsd", "__lstat30", "netbsd", "fsread");
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systrace_alias_add_trans(alias, tl);
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#else
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X(intercept_register_gencb(gen_cb, NULL));
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/* open */
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X(intercept_register_sccb("native", "open", trans_cb, NULL));
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tl = intercept_register_transfn("native", "open", 0);
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intercept_register_translation("native", "open", 1, &ic_oflags);
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alias = systrace_new_alias("native", "open", "native", "fswrite");
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systrace_alias_add_trans(alias, tl);
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/* link */
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X(intercept_register_sccb("native", "link", trans_cb, NULL));
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intercept_register_transfn("native", "link", 0);
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intercept_register_transfn("native", "link", 1);
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/* unlink [fswrite] */
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X(intercept_register_sccb("native", "unlink", trans_cb, NULL));
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tl = intercept_register_translation("native", "unlink", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("native", "unlink", "native", "fswrite");
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systrace_alias_add_trans(alias, tl);
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/* chdir */
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X(intercept_register_sccb("native", "chdir", trans_cb, NULL));
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intercept_register_transfn("native", "chdir", 0);
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/* chmod */
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X(intercept_register_sccb("native", "chmod", trans_cb, NULL));
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intercept_register_transfn("native", "chmod", 0);
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intercept_register_translation("native", "chmod", 1, &ic_modeflags);
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/* chown */
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X(intercept_register_sccb("native", "chown", trans_cb, NULL));
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intercept_register_transfn("native", "chown", 0);
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intercept_register_translation("native", "chown", 1, &ic_uidt);
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intercept_register_translation("native", "chown", 2, &ic_gidt);
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/* setuid */
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X(intercept_register_sccb("native", "setuid", trans_cb, NULL));
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intercept_register_translation("native", "setuid", 0, &ic_uidt);
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intercept_register_translation("native", "setuid", 0, &ic_uname);
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/* access [fsread] */
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X(intercept_register_sccb("native", "access", trans_cb, NULL));
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tl = intercept_register_transfn("native", "access", 0);
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alias = systrace_new_alias("native", "access", "native", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* kill */
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X(intercept_register_sccb("native", "kill", trans_cb, NULL));
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intercept_register_translation("native", "kill", 0, &ic_pidname);
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intercept_register_translation("native", "kill", 1, &ic_signame);
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/* stat [fsread] */
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X(intercept_register_sccb("native", "stat", trans_cb, NULL));
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tl = intercept_register_transfn("native", "stat", 0);
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alias = systrace_new_alias("native", "stat", "native", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* lstat [fsread] */
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X(intercept_register_sccb("native", "lstat", trans_cb, NULL));
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tl = intercept_register_translation("native", "lstat", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("native", "lstat", "native", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* symlink */
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X(intercept_register_sccb("native", "symlink", trans_cb, NULL));
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intercept_register_transstring("native", "symlink", 0);
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intercept_register_transfn("native", "symlink", 1);
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/* readlink [fsread] */
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X(intercept_register_sccb("native", "readlink", trans_cb, NULL));
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tl = intercept_register_translation("native", "readlink", 0,
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&ic_translate_unlinkname);
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alias = systrace_new_alias("native", "readlink", "native", "fsread");
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systrace_alias_add_trans(alias, tl);
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/* execve */
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X(intercept_register_sccb("native", "execve", trans_cb, NULL));
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intercept_register_transfn("native", "execve", 0);
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intercept_register_translation("native", "execve", 1, &ic_trargv);
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/* chroot */
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X(intercept_register_sccb("native", "chroot", trans_cb, NULL));
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intercept_register_transfn("native", "chroot", 0);
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/* mmap */
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X(intercept_register_sccb("native", "mmap", trans_cb, NULL));
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intercept_register_translation("native", "mmap", 2, &ic_memprot);
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/* mprotect */
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X(intercept_register_sccb("native", "mprotect", trans_cb, NULL));
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intercept_register_translation("native", "mprotect", 2, &ic_memprot);
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/* fcntl */
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X(intercept_register_sccb("native", "fcntl", trans_cb, NULL));
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intercept_register_translation("native", "fcntl", 1, &ic_fcntlcmd);
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/* socket */
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X(intercept_register_sccb("native", "socket", trans_cb, NULL));
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intercept_register_translation("native", "socket", 0, &ic_sockdom);
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intercept_register_translation("native", "socket", 1, &ic_socktype);
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/* sendmsg */
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X(intercept_register_sccb("native", "sendmsg", trans_cb, NULL));
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intercept_register_translation("native", "sendmsg", 1,
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&ic_translate_sendmsg);
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/* connect */
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X(intercept_register_sccb("native", "connect", trans_cb, NULL));
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intercept_register_translation("native", "connect", 1,
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&ic_translate_connect);
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/* bind */
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X(intercept_register_sccb("native", "bind", trans_cb, NULL));
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intercept_register_translation("native", "bind", 1,
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&ic_translate_connect);
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/* fchown */
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X(intercept_register_sccb("native", "fchown", trans_cb, NULL));
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intercept_register_translation("native", "fchown", 0, &ic_fdt);
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intercept_register_translation("native", "fchown", 1, &ic_uidt);
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intercept_register_translation("native", "fchown", 2, &ic_gidt);
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/* fchmod */
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X(intercept_register_sccb("native", "fchmod", trans_cb, NULL));
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intercept_register_translation("native", "fchmod", 0, &ic_fdt);
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intercept_register_translation("native", "fchmod", 1, &ic_modeflags);
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/* rename */
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X(intercept_register_sccb("native", "rename", trans_cb, NULL));
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intercept_register_translation("native", "rename", 0,
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&ic_translate_unlinkname);
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intercept_register_transfn("native", "rename", 1);
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/* sendto */
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X(intercept_register_sccb("native", "sendto", trans_cb, NULL));
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intercept_register_translation("native", "sendto", 4,
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&ic_translate_connect);
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/* mkdir [fswrite] */
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X(intercept_register_sccb("native", "mkdir", trans_cb, NULL));
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|
tl = intercept_register_translation("native", "mkdir", 0,
|
|
&ic_translate_unlinkname);
|
|
alias = systrace_new_alias("native", "mkdir", "native", "fswrite");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* rmdir [fswrite] */
|
|
X(intercept_register_sccb("native", "rmdir", trans_cb, NULL));
|
|
tl = intercept_register_transfn("native", "rmdir", 0);
|
|
alias = systrace_new_alias("native", "rmdir", "native", "fswrite");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* setgid */
|
|
X(intercept_register_sccb("native", "setgid", trans_cb, NULL));
|
|
intercept_register_translation("native", "setgid", 0, &ic_gidt);
|
|
|
|
/* setegid */
|
|
X(intercept_register_sccb("native", "setegid", trans_cb, NULL));
|
|
intercept_register_translation("native", "setegid", 0, &ic_gidt);
|
|
|
|
/* seteuid */
|
|
X(intercept_register_sccb("native", "seteuid", trans_cb, NULL));
|
|
intercept_register_translation("native", "seteuid", 0, &ic_uidt);
|
|
intercept_register_translation("native", "seteuid", 0, &ic_uname);
|
|
#endif
|
|
|
|
#if !(defined(__NetBSD__) && !defined(HAVE_LINUX_FCNTL_H))
|
|
/* 5: open [fswrite] */
|
|
X(intercept_register_sccb("linux", "open", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "open", 0);
|
|
intercept_register_translation("linux", "open", 1, &ic_linux_oflags);
|
|
alias = systrace_new_alias("linux", "open", "linux", "fswrite");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 9: link */
|
|
X(intercept_register_sccb("linux", "link", trans_cb, NULL));
|
|
intercept_register_translink("linux", "link", 0);
|
|
intercept_register_translink("linux", "link", 1);
|
|
|
|
/* 10: unlink [fswrite] */
|
|
X(intercept_register_sccb("linux", "unlink", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "unlink", 0);
|
|
alias = systrace_new_alias("linux", "unlink", "linux", "fswrite");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 11: execve */
|
|
X(intercept_register_sccb("linux", "execve", trans_cb, NULL));
|
|
intercept_register_translink("linux", "execve", 0);
|
|
|
|
/* 15: chmod */
|
|
X(intercept_register_sccb("linux", "chmod", trans_cb, NULL));
|
|
intercept_register_translink("linux", "chmod", 0);
|
|
intercept_register_translation("linux", "chmod", 1, &ic_modeflags);
|
|
|
|
/* 33: access [fsread] */
|
|
X(intercept_register_sccb("linux", "access", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "access", 0);
|
|
alias = systrace_new_alias("linux", "access", "linux", "fsread");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 38: rename */
|
|
X(intercept_register_sccb("linux", "rename", trans_cb, NULL));
|
|
intercept_register_translink("linux", "rename", 0);
|
|
intercept_register_translink("linux", "rename", 1);
|
|
|
|
/* 39: mkdir [fswrite] */
|
|
X(intercept_register_sccb("linux", "mkdir", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "mkdir", 0);
|
|
alias = systrace_new_alias("linux", "mkdir", "linux", "fswrite");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 40: rmdir [fswrite] */
|
|
X(intercept_register_sccb("linux", "rmdir", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "rmdir", 0);
|
|
alias = systrace_new_alias("linux", "rmdir", "linux", "fswrite");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 83: symlink */
|
|
X(intercept_register_sccb("linux", "symlink", trans_cb, NULL));
|
|
intercept_register_transstring("linux", "symlink", 0);
|
|
intercept_register_translink("linux", "symlink", 1);
|
|
|
|
/* 85: readlink [fsread] */
|
|
X(intercept_register_sccb("linux", "readlink", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "readlink", 0);
|
|
alias = systrace_new_alias("linux", "readlink", "linux", "fsread");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 106: stat [fsread] */
|
|
X(intercept_register_sccb("linux", "stat", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "stat", 0);
|
|
alias = systrace_new_alias("linux", "stat", "linux", "fsread");
|
|
systrace_alias_add_trans(alias, tl);
|
|
|
|
/* 107: lstat */
|
|
X(intercept_register_sccb("linux", "lstat", trans_cb, NULL));
|
|
tl = intercept_register_translink("linux", "lstat", 0);
|
|
alias = systrace_new_alias("linux", "lstat", "linux", "fsread");
|
|
systrace_alias_add_trans(alias, tl);
|
|
#endif
|
|
|
|
X(intercept_register_execcb(execres_cb, NULL));
|
|
X(intercept_register_pfreecb(policyfree_cb, NULL));
|
|
}
|