[mirror_ubuntu-eoan-kernel.git] / arch / s390 / kernel / compat_linux.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  S390 version
 *    Copyright IBM Corp. 2000
 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
 *               Gerhard Tonn (ton@de.ibm.com)   
 *               Thomas Spatzier (tspat@de.ibm.com)
 *
 *  Conversion between 31bit and 64bit native syscalls.
 *
 * Heavily inspired by the 32-bit Sparc compat code which is 
 * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
 *
 */


#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/fs.h> 
#include <linux/mm.h> 
#include <linux/file.h> 
#include <linux/signal.h>
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/smp.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/uio.h>
#include <linux/quota.h>
#include <linux/poll.h>
#include <linux/personality.h>
#include <linux/stat.h>
#include <linux/filter.h>
#include <linux/highmem.h>
#include <linux/mman.h>
#include <linux/ipv6.h>
#include <linux/in.h>
#include <linux/icmpv6.h>
#include <linux/syscalls.h>
#include <linux/sysctl.h>
#include <linux/binfmts.h>
#include <linux/capability.h>
#include <linux/compat.h>
#include <linux/vfs.h>
#include <linux/ptrace.h>
#include <linux/fadvise.h>
#include <linux/ipc.h>
#include <linux/slab.h>

#include <asm/types.h>
#include <linux/uaccess.h>

#include <net/scm.h>
#include <net/sock.h>

#include "compat_linux.h"

#ifdef CONFIG_SYSVIPC
COMPAT_SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, compat_ulong_t, second,
		compat_ulong_t, third, compat_uptr_t, ptr)
{
	if (call >> 16)		/* hack for backward compatibility */
		return -EINVAL;
	return compat_ksys_ipc(call, first, second, third, ptr, third);
}
#endif

COMPAT_SYSCALL_DEFINE3(s390_truncate64, const char __user *, path, u32, high, u32, low)
{
	return ksys_truncate(path, (unsigned long)high << 32 | low);
}

COMPAT_SYSCALL_DEFINE3(s390_ftruncate64, unsigned int, fd, u32, high, u32, low)
{
	return ksys_ftruncate(fd, (unsigned long)high << 32 | low);
}

COMPAT_SYSCALL_DEFINE5(s390_pread64, unsigned int, fd, char __user *, ubuf,
		       compat_size_t, count, u32, high, u32, low)
{
	if ((compat_ssize_t) count < 0)
		return -EINVAL;
	return ksys_pread64(fd, ubuf, count, (unsigned long)high << 32 | low);
}

COMPAT_SYSCALL_DEFINE5(s390_pwrite64, unsigned int, fd, const char __user *, ubuf,
		       compat_size_t, count, u32, high, u32, low)
{
	if ((compat_ssize_t) count < 0)
		return -EINVAL;
	return ksys_pwrite64(fd, ubuf, count, (unsigned long)high << 32 | low);
}

COMPAT_SYSCALL_DEFINE4(s390_readahead, int, fd, u32, high, u32, low, s32, count)
{
	return ksys_readahead(fd, (unsigned long)high << 32 | low, count);
}

struct stat64_emu31 {
	unsigned long long  st_dev;
	unsigned int    __pad1;
#define STAT64_HAS_BROKEN_ST_INO        1
	u32             __st_ino;
	unsigned int    st_mode;
	unsigned int    st_nlink;
	u32             st_uid;
	u32             st_gid;
	unsigned long long  st_rdev;
	unsigned int    __pad3;
	long            st_size;
	u32             st_blksize;
	unsigned char   __pad4[4];
	u32             __pad5;     /* future possible st_blocks high bits */
	u32             st_blocks;  /* Number 512-byte blocks allocated. */
	u32             st_atime;
	u32             __pad6;
	u32             st_mtime;
	u32             __pad7;
	u32             st_ctime;
	u32             __pad8;     /* will be high 32 bits of ctime someday */
	unsigned long   st_ino;
};	

static int cp_stat64(struct stat64_emu31 __user *ubuf, struct kstat *stat)
{
	struct stat64_emu31 tmp;

	memset(&tmp, 0, sizeof(tmp));

	tmp.st_dev = huge_encode_dev(stat->dev);
	tmp.st_ino = stat->ino;
	tmp.__st_ino = (u32)stat->ino;
	tmp.st_mode = stat->mode;
	tmp.st_nlink = (unsigned int)stat->nlink;
	tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid);
	tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid);
	tmp.st_rdev = huge_encode_dev(stat->rdev);
	tmp.st_size = stat->size;
	tmp.st_blksize = (u32)stat->blksize;
	tmp.st_blocks = (u32)stat->blocks;
	tmp.st_atime = (u32)stat->atime.tv_sec;
	tmp.st_mtime = (u32)stat->mtime.tv_sec;
	tmp.st_ctime = (u32)stat->ctime.tv_sec;

	return copy_to_user(ubuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; 
}

COMPAT_SYSCALL_DEFINE2(s390_stat64, const char __user *, filename, struct stat64_emu31 __user *, statbuf)
{
	struct kstat stat;
	int ret = vfs_stat(filename, &stat);
	if (!ret)
		ret = cp_stat64(statbuf, &stat);
	return ret;
}

COMPAT_SYSCALL_DEFINE2(s390_lstat64, const char __user *, filename, struct stat64_emu31 __user *, statbuf)
{
	struct kstat stat;
	int ret = vfs_lstat(filename, &stat);
	if (!ret)
		ret = cp_stat64(statbuf, &stat);
	return ret;
}

COMPAT_SYSCALL_DEFINE2(s390_fstat64, unsigned int, fd, struct stat64_emu31 __user *, statbuf)
{
	struct kstat stat;
	int ret = vfs_fstat(fd, &stat);
	if (!ret)
		ret = cp_stat64(statbuf, &stat);
	return ret;
}

COMPAT_SYSCALL_DEFINE4(s390_fstatat64, unsigned int, dfd, const char __user *, filename,
		       struct stat64_emu31 __user *, statbuf, int, flag)
{
	struct kstat stat;
	int error;

	error = vfs_fstatat(dfd, filename, &stat, flag);
	if (error)
		return error;
	return cp_stat64(statbuf, &stat);
}

/*
 * Linux/i386 didn't use to be able to handle more than
 * 4 system call parameters, so these system calls used a memory
 * block for parameter passing..
 */

struct mmap_arg_struct_emu31 {
	compat_ulong_t addr;
	compat_ulong_t len;
	compat_ulong_t prot;
	compat_ulong_t flags;
	compat_ulong_t fd;
	compat_ulong_t offset;
};

COMPAT_SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct_emu31 __user *, arg)
{
	struct mmap_arg_struct_emu31 a;

	if (copy_from_user(&a, arg, sizeof(a)))
		return -EFAULT;
	if (a.offset & ~PAGE_MASK)
		return -EINVAL;
	return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
			       a.offset >> PAGE_SHIFT);
}

COMPAT_SYSCALL_DEFINE1(s390_mmap2, struct mmap_arg_struct_emu31 __user *, arg)
{
	struct mmap_arg_struct_emu31 a;

	if (copy_from_user(&a, arg, sizeof(a)))
		return -EFAULT;
	return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
}

COMPAT_SYSCALL_DEFINE3(s390_read, unsigned int, fd, char __user *, buf, compat_size_t, count)
{
	if ((compat_ssize_t) count < 0)
		return -EINVAL; 

	return ksys_read(fd, buf, count);
}

COMPAT_SYSCALL_DEFINE3(s390_write, unsigned int, fd, const char __user *, buf, compat_size_t, count)
{
	if ((compat_ssize_t) count < 0)
		return -EINVAL; 

	return ksys_write(fd, buf, count);
}

/*
 * 31 bit emulation wrapper functions for sys_fadvise64/fadvise64_64.
 * These need to rewrite the advise values for POSIX_FADV_{DONTNEED,NOREUSE}
 * because the 31 bit values differ from the 64 bit values.
 */

COMPAT_SYSCALL_DEFINE5(s390_fadvise64, int, fd, u32, high, u32, low, compat_size_t, len, int, advise)
{
	if (advise == 4)
		advise = POSIX_FADV_DONTNEED;
	else if (advise == 5)
		advise = POSIX_FADV_NOREUSE;
	return ksys_fadvise64_64(fd, (unsigned long)high << 32 | low, len,
				 advise);
}

struct fadvise64_64_args {
	int fd;
	long long offset;
	long long len;
	int advice;
};

COMPAT_SYSCALL_DEFINE1(s390_fadvise64_64, struct fadvise64_64_args __user *, args)
{
	struct fadvise64_64_args a;

	if ( copy_from_user(&a, args, sizeof(a)) )
		return -EFAULT;
	if (a.advice == 4)
		a.advice = POSIX_FADV_DONTNEED;
	else if (a.advice == 5)
		a.advice = POSIX_FADV_NOREUSE;
	return ksys_fadvise64_64(a.fd, a.offset, a.len, a.advice);
}

COMPAT_SYSCALL_DEFINE6(s390_sync_file_range, int, fd, u32, offhigh, u32, offlow,
		       u32, nhigh, u32, nlow, unsigned int, flags)
{
	return ksys_sync_file_range(fd, ((loff_t)offhigh << 32) + offlow,
				   ((u64)nhigh << 32) + nlow, flags);
}

COMPAT_SYSCALL_DEFINE6(s390_fallocate, int, fd, int, mode, u32, offhigh, u32, offlow,
		       u32, lenhigh, u32, lenlow)
{
	return ksys_fallocate(fd, mode, ((loff_t)offhigh << 32) + offlow,
			      ((u64)lenhigh << 32) + lenlow);
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
1da177e4	2	/*
1da177e4	3	* S390 version
a53c8fab	4	* Copyright IBM Corp. 2000
1da177e4 LT	5	* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
	6	* Gerhard Tonn (ton@de.ibm.com)
	7	* Thomas Spatzier (tspat@de.ibm.com)
	8	*
	9	* Conversion between 31bit and 64bit native syscalls.
	10	*
	11	* Heavily inspired by the 32-bit Sparc compat code which is
	12	* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
	13	* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
	14	*
	15	*/
	16
	17
1da177e4 LT	18	#include <linux/kernel.h>
	19	#include <linux/sched.h>
	20	#include <linux/fs.h>
	21	#include <linux/mm.h>
	22	#include <linux/file.h>
	23	#include <linux/signal.h>
	24	#include <linux/resource.h>
	25	#include <linux/times.h>
1da177e4	26	#include <linux/smp.h>
1da177e4 LT	27	#include <linux/sem.h>
	28	#include <linux/msg.h>
	29	#include <linux/shm.h>
1da177e4	30	#include <linux/uio.h>
1da177e4	31	#include <linux/quota.h>
1da177e4 LT	32	#include <linux/poll.h>
	33	#include <linux/personality.h>
	34	#include <linux/stat.h>
	35	#include <linux/filter.h>
	36	#include <linux/highmem.h>
1da177e4 LT	37	#include <linux/mman.h>
	38	#include <linux/ipv6.h>
	39	#include <linux/in.h>
	40	#include <linux/icmpv6.h>
	41	#include <linux/syscalls.h>
	42	#include <linux/sysctl.h>
	43	#include <linux/binfmts.h>
a9415644	44	#include <linux/capability.h>
1da177e4 LT	45	#include <linux/compat.h>
	46	#include <linux/vfs.h>
	47	#include <linux/ptrace.h>
068e1b94	48	#include <linux/fadvise.h>
cba4fbbf	49	#include <linux/ipc.h>
5a0e3ad6	50	#include <linux/slab.h>
1da177e4 LT	51
1da177e4 LT	52	#include <asm/types.h>
7c0f6ba6	53	#include <linux/uaccess.h>
1da177e4 LT	54
	55	#include <net/scm.h>
	56	#include <net/sock.h>
	57
	58	#include "compat_linux.h"
	59
1df23957	60	#ifdef CONFIG_SYSVIPC
49382d93 HC	61	COMPAT_SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, compat_ulong_t, second,
49382d93 HC	62	compat_ulong_t, third, compat_uptr_t, ptr)
1da177e4 LT	63	{
	64	if (call >> 16) /* hack for backward compatibility */
	65	return -EINVAL;
58fa4a41	66	return compat_ksys_ipc(call, first, second, third, ptr, third);
1da177e4	67	}
1df23957	68	#endif
1da177e4	69
e723e0cc	70	COMPAT_SYSCALL_DEFINE3(s390_truncate64, const char __user *, path, u32, high, u32, low)
1da177e4	71	{
df260e21	72	return ksys_truncate(path, (unsigned long)high << 32 \| low);
1da177e4 LT	73	}
1da177e4 LT	74
52a0b536	75	COMPAT_SYSCALL_DEFINE3(s390_ftruncate64, unsigned int, fd, u32, high, u32, low)
1da177e4	76	{
411d9475	77	return ksys_ftruncate(fd, (unsigned long)high << 32 \| low);
1da177e4 LT	78	}
1da177e4 LT	79
52a0b536 HC	80	COMPAT_SYSCALL_DEFINE5(s390_pread64, unsigned int, fd, char __user *, ubuf,
52a0b536 HC	81	compat_size_t, count, u32, high, u32, low)
1da177e4 LT	82	{
	83	if ((compat_ssize_t) count < 0)
	84	return -EINVAL;
36028d5d	85	return ksys_pread64(fd, ubuf, count, (unsigned long)high << 32 \| low);
1da177e4 LT	86	}
1da177e4 LT	87
52a0b536 HC	88	COMPAT_SYSCALL_DEFINE5(s390_pwrite64, unsigned int, fd, const char __user *, ubuf,
52a0b536 HC	89	compat_size_t, count, u32, high, u32, low)
1da177e4 LT	90	{
	91	if ((compat_ssize_t) count < 0)
	92	return -EINVAL;
36028d5d	93	return ksys_pwrite64(fd, ubuf, count, (unsigned long)high << 32 \| low);
1da177e4 LT	94	}
1da177e4 LT	95
52a0b536	96	COMPAT_SYSCALL_DEFINE4(s390_readahead, int, fd, u32, high, u32, low, s32, count)
1da177e4	97	{
c7b95d51	98	return ksys_readahead(fd, (unsigned long)high << 32 \| low, count);
1da177e4 LT	99	}
1da177e4 LT	100
1da177e4 LT	101	struct stat64_emu31 {
	102	unsigned long long st_dev;
	103	unsigned int __pad1;
	104	#define STAT64_HAS_BROKEN_ST_INO 1
	105	u32 __st_ino;
	106	unsigned int st_mode;
	107	unsigned int st_nlink;
	108	u32 st_uid;
	109	u32 st_gid;
	110	unsigned long long st_rdev;
	111	unsigned int __pad3;
	112	long st_size;
	113	u32 st_blksize;
	114	unsigned char __pad4[4];
	115	u32 __pad5; /* future possible st_blocks high bits */
	116	u32 st_blocks; /* Number 512-byte blocks allocated. */
	117	u32 st_atime;
	118	u32 __pad6;
	119	u32 st_mtime;
	120	u32 __pad7;
	121	u32 st_ctime;
	122	u32 __pad8; /* will be high 32 bits of ctime someday */
	123	unsigned long st_ino;
	124	};
	125
24954a14	126	static int cp_stat64(struct stat64_emu31 __user ubuf, struct kstat stat)
1da177e4 LT	127	{
	128	struct stat64_emu31 tmp;
	129
	130	memset(&tmp, 0, sizeof(tmp));
	131
	132	tmp.st_dev = huge_encode_dev(stat->dev);
	133	tmp.st_ino = stat->ino;
	134	tmp.__st_ino = (u32)stat->ino;
	135	tmp.st_mode = stat->mode;
	136	tmp.st_nlink = (unsigned int)stat->nlink;
a7c1938e EB	137	tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid);
a7c1938e EB	138	tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid);
1da177e4 LT	139	tmp.st_rdev = huge_encode_dev(stat->rdev);
	140	tmp.st_size = stat->size;
	141	tmp.st_blksize = (u32)stat->blksize;
	142	tmp.st_blocks = (u32)stat->blocks;
	143	tmp.st_atime = (u32)stat->atime.tv_sec;
	144	tmp.st_mtime = (u32)stat->mtime.tv_sec;
	145	tmp.st_ctime = (u32)stat->ctime.tv_sec;
	146
	147	return copy_to_user(ubuf,&tmp,sizeof(tmp)) ? -EFAULT : 0;
	148	}
	149
52a0b536	150	COMPAT_SYSCALL_DEFINE2(s390_stat64, const char __user , filename, struct stat64_emu31 __user , statbuf)
1da177e4 LT	151	{
	152	struct kstat stat;
	153	int ret = vfs_stat(filename, &stat);
	154	if (!ret)
	155	ret = cp_stat64(statbuf, &stat);
	156	return ret;
	157	}
	158
a0f8c6da	159	COMPAT_SYSCALL_DEFINE2(s390_lstat64, const char __user , filename, struct stat64_emu31 __user , statbuf)
1da177e4 LT	160	{
	161	struct kstat stat;
	162	int ret = vfs_lstat(filename, &stat);
	163	if (!ret)
	164	ret = cp_stat64(statbuf, &stat);
	165	return ret;
	166	}
	167
a0f8c6da	168	COMPAT_SYSCALL_DEFINE2(s390_fstat64, unsigned int, fd, struct stat64_emu31 __user *, statbuf)
1da177e4 LT	169	{
	170	struct kstat stat;
	171	int ret = vfs_fstat(fd, &stat);
	172	if (!ret)
	173	ret = cp_stat64(statbuf, &stat);
	174	return ret;
	175	}
	176
a0f8c6da HC	177	COMPAT_SYSCALL_DEFINE4(s390_fstatat64, unsigned int, dfd, const char __user *, filename,
a0f8c6da HC	178	struct stat64_emu31 __user *, statbuf, int, flag)
19bf9cbf HC	179	{
19bf9cbf HC	180	struct kstat stat;
0112fc22	181	int error;
19bf9cbf	182
0112fc22 OD	183	error = vfs_fstatat(dfd, filename, &stat, flag);
	184	if (error)
	185	return error;
	186	return cp_stat64(statbuf, &stat);
19bf9cbf HC	187	}
19bf9cbf HC	188
1da177e4 LT	189	/*
	190	* Linux/i386 didn't use to be able to handle more than
	191	* 4 system call parameters, so these system calls used a memory
	192	* block for parameter passing..
	193	*/
	194
	195	struct mmap_arg_struct_emu31 {
d3815898 HC	196	compat_ulong_t addr;
	197	compat_ulong_t len;
	198	compat_ulong_t prot;
	199	compat_ulong_t flags;
	200	compat_ulong_t fd;
	201	compat_ulong_t offset;
1da177e4 LT	202	};
1da177e4 LT	203
a0f8c6da	204	COMPAT_SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct_emu31 __user *, arg)
1da177e4 LT	205	{
1da177e4 LT	206	struct mmap_arg_struct_emu31 a;
1da177e4 LT	207
1da177e4 LT	208	if (copy_from_user(&a, arg, sizeof(a)))
d3815898	209	return -EFAULT;
1da177e4	210	if (a.offset & ~PAGE_MASK)
d3815898	211	return -EINVAL;
a90f590a DB	212	return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
a90f590a DB	213	a.offset >> PAGE_SHIFT);
1da177e4 LT	214	}
1da177e4 LT	215
a0f8c6da	216	COMPAT_SYSCALL_DEFINE1(s390_mmap2, struct mmap_arg_struct_emu31 __user *, arg)
1da177e4 LT	217	{
1da177e4 LT	218	struct mmap_arg_struct_emu31 a;
1da177e4 LT	219
1da177e4 LT	220	if (copy_from_user(&a, arg, sizeof(a)))
d3815898	221	return -EFAULT;
a90f590a	222	return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
1da177e4 LT	223	}
1da177e4 LT	224
5383d2c8	225	COMPAT_SYSCALL_DEFINE3(s390_read, unsigned int, fd, char __user *, buf, compat_size_t, count)
1da177e4 LT	226	{
	227	if ((compat_ssize_t) count < 0)
	228	return -EINVAL;
	229
3ce4a7bf	230	return ksys_read(fd, buf, count);
1da177e4 LT	231	}
1da177e4 LT	232
5383d2c8	233	COMPAT_SYSCALL_DEFINE3(s390_write, unsigned int, fd, const char __user *, buf, compat_size_t, count)
1da177e4 LT	234	{
	235	if ((compat_ssize_t) count < 0)
	236	return -EINVAL;
	237
e7a3e8b2	238	return ksys_write(fd, buf, count);
1da177e4 LT	239	}
1da177e4 LT	240
068e1b94 MS	241	/*
	242	* 31 bit emulation wrapper functions for sys_fadvise64/fadvise64_64.
	243	* These need to rewrite the advise values for POSIX_FADV_{DONTNEED,NOREUSE}
	244	* because the 31 bit values differ from the 64 bit values.
	245	*/
	246
5383d2c8	247	COMPAT_SYSCALL_DEFINE5(s390_fadvise64, int, fd, u32, high, u32, low, compat_size_t, len, int, advise)
068e1b94 MS	248	{
	249	if (advise == 4)
	250	advise = POSIX_FADV_DONTNEED;
	251	else if (advise == 5)
	252	advise = POSIX_FADV_NOREUSE;
9d5b7c95 DB	253	return ksys_fadvise64_64(fd, (unsigned long)high << 32 \| low, len,
9d5b7c95 DB	254	advise);
068e1b94 MS	255	}
	256
	257	struct fadvise64_64_args {
	258	int fd;
	259	long long offset;
	260	long long len;
	261	int advice;
	262	};
	263
5383d2c8	264	COMPAT_SYSCALL_DEFINE1(s390_fadvise64_64, struct fadvise64_64_args __user *, args)
068e1b94 MS	265	{
	266	struct fadvise64_64_args a;
	267
	268	if ( copy_from_user(&a, args, sizeof(a)) )
	269	return -EFAULT;
	270	if (a.advice == 4)
	271	a.advice = POSIX_FADV_DONTNEED;
	272	else if (a.advice == 5)
	273	a.advice = POSIX_FADV_NOREUSE;
9d5b7c95	274	return ksys_fadvise64_64(a.fd, a.offset, a.len, a.advice);
068e1b94	275	}
2c81fc4f HC	276
	277	COMPAT_SYSCALL_DEFINE6(s390_sync_file_range, int, fd, u32, offhigh, u32, offlow,
	278	u32, nhigh, u32, nlow, unsigned int, flags)
	279	{
806cbae1	280	return ksys_sync_file_range(fd, ((loff_t)offhigh << 32) + offlow,
2c81fc4f HC	281	((u64)nhigh << 32) + nlow, flags);
	282	}
	283
	284	COMPAT_SYSCALL_DEFINE6(s390_fallocate, int, fd, int, mode, u32, offhigh, u32, offlow,
	285	u32, lenhigh, u32, lenlow)
	286	{
edf292c7 DB	287	return ksys_fallocate(fd, mode, ((loff_t)offhigh << 32) + offlow,
edf292c7 DB	288	((u64)lenhigh << 32) + lenlow);
2c81fc4f	289	}