freebsd-dev/sys/compat/linux/linux_misc.h
Edward Tomasz Napierala 99454d3e98 linux: Provide dummy seccomp(2)
Don't emit messages; this isn't any different from a Linux kernel
built without OPTIONS_SECCOMP, so the userspace already needs to know
how to deal with it.  This is also similar with how we handle seccomp
in linux_prctl().

Sponsored By:	EPSRC
Differential Revision:	https://reviews.freebsd.org/D33808
2022-01-28 11:45:41 +00:00

188 lines
5.5 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2006 Roman Divacky
* 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.
*
* $FreeBSD$
*/
#ifndef _LINUX_MISC_H_
#define _LINUX_MISC_H_
#include <sys/sysctl.h>
#define LINUX_MAX_PID_NS_LEVEL 32
/* bits per mask */
#define LINUX_NFDBITS sizeof(l_fd_mask) * 8
/*
* Miscellaneous
*/
#define LINUX_NAME_MAX 255
#define LINUX_MAX_UTSNAME 65
#define LINUX_CTL_MAXNAME 10
/* defines for prctl */
#define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */
#define LINUX_PR_GET_PDEATHSIG 2 /*
* Second arg is a ptr to return the
* signal.
*/
#define LINUX_PR_GET_DUMPABLE 3
#define LINUX_PR_SET_DUMPABLE 4
#define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */
#define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
#define LINUX_PR_SET_NAME 15 /* Set process name. */
#define LINUX_PR_GET_NAME 16 /* Get process name. */
#define LINUX_PR_GET_SECCOMP 21
#define LINUX_PR_SET_SECCOMP 22
#define LINUX_PR_CAPBSET_READ 23
#define LINUX_PR_SET_NO_NEW_PRIVS 38
#define LINUX_PR_SET_PTRACER 1499557217
#define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
/* For GET/SET DUMPABLE */
#define LINUX_SUID_DUMP_DISABLE 0 /* Don't coredump setuid processes. */
#define LINUX_SUID_DUMP_USER 1 /* Dump as user of process. */
#define LINUX_SUID_DUMP_ROOT 2 /* Dump as root. */
#define LINUX_MREMAP_MAYMOVE 1
#define LINUX_MREMAP_FIXED 2
#define LINUX_PATH_MAX 4096
/*
* Non-standard aux entry types used in Linux ELF binaries.
*/
#define LINUX_AT_PLATFORM 15 /* String identifying CPU */
#define LINUX_AT_HWCAP 16 /* CPU capabilities */
#define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
#define LINUX_AT_SECURE 23 /* secure mode boolean */
#define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may
* differ from AT_PLATFORM.
*/
#define LINUX_AT_RANDOM 25 /* address of random bytes */
#define LINUX_AT_HWCAP2 26 /* CPU capabilities, second part */
#define LINUX_AT_EXECFN 31 /* filename of program */
#define LINUX_AT_SYSINFO 32 /* vsyscall */
#define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */
#define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
/* Linux sets the i387 to extended precision. */
#if defined(__i386__) || defined(__amd64__)
#define __LINUX_NPXCW__ 0x37f
#endif
/* Scheduling policies */
#define LINUX_SCHED_OTHER 0
#define LINUX_SCHED_FIFO 1
#define LINUX_SCHED_RR 2
#define LINUX_MAX_RT_PRIO 100
struct l_new_utsname {
char sysname[LINUX_MAX_UTSNAME];
char nodename[LINUX_MAX_UTSNAME];
char release[LINUX_MAX_UTSNAME];
char version[LINUX_MAX_UTSNAME];
char machine[LINUX_MAX_UTSNAME];
char domainname[LINUX_MAX_UTSNAME];
};
#define LINUX_UTIME_NOW 0x3FFFFFFF
#define LINUX_UTIME_OMIT 0x3FFFFFFE
extern int stclohz;
#define LINUX_WNOHANG 0x00000001
#define LINUX_WUNTRACED 0x00000002
#define LINUX_WSTOPPED LINUX_WUNTRACED
#define LINUX_WEXITED 0x00000004
#define LINUX_WCONTINUED 0x00000008
#define LINUX_WNOWAIT 0x01000000
#define __WNOTHREAD 0x20000000
#define __WALL 0x40000000
#define __WCLONE 0x80000000
/* Linux waitid idtype */
#define LINUX_P_ALL 0
#define LINUX_P_PID 1
#define LINUX_P_PGID 2
#define LINUX_RLIMIT_LOCKS 10
#define LINUX_RLIMIT_SIGPENDING 11
#define LINUX_RLIMIT_MSGQUEUE 12
#define LINUX_RLIMIT_NICE 13
#define LINUX_RLIMIT_RTPRIO 14
#define LINUX_RLIMIT_RTTIME 15
#define LINUX_RLIM_INFINITY (~0UL)
/* Linux getrandom flags */
#define LINUX_GRND_NONBLOCK 0x0001
#define LINUX_GRND_RANDOM 0x0002
/* Linux syslog flags */
#define LINUX_SYSLOG_ACTION_READ_ALL 3
/* Linux seccomp flags */
#define LINUX_SECCOMP_GET_ACTION_AVAIL 2
#if defined(__aarch64__) || (defined(__amd64__) && !defined(COMPAT_LINUX32))
int linux_ptrace_status(struct thread *td, int pid, int status);
#endif
void linux_to_bsd_waitopts(int options, int *bsdopts);
struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
struct syscall_info {
uint8_t op;
uint32_t arch;
uint64_t instruction_pointer;
uint64_t stack_pointer;
union {
struct {
uint64_t nr;
uint64_t args[6];
} entry;
struct {
int64_t rval;
uint8_t is_error;
} exit;
struct {
uint64_t nr;
uint64_t args[6];
uint32_t ret_data;
} seccomp;
};
};
#endif /* _LINUX_MISC_H_ */