2005-04-16 16:20:36 -06:00
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/* $Id: fs.c,v 1.27 2002/02/08 03:57:14 davem Exp $
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* fs.c: fs related syscall emulation for Solaris
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*
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* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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*
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* 1999-08-19 Implemented solaris F_FREESP (truncate)
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* fcntl, by Jason Rappleye (rappleye@ccr.buffalo.edu)
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*/
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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2006-01-11 13:17:48 -07:00
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#include <linux/capability.h>
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2005-04-16 16:20:36 -06:00
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#include <linux/fs.h>
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#include <linux/namei.h>
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#include <linux/mm.h>
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#include <linux/file.h>
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#include <linux/stat.h>
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#include <linux/smp_lock.h>
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#include <linux/limits.h>
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#include <linux/resource.h>
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#include <linux/quotaops.h>
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#include <linux/mount.h>
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#include <linux/vfs.h>
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#include <asm/uaccess.h>
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#include <asm/string.h>
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#include <asm/ptrace.h>
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#include "conv.h"
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#define R3_VERSION 1
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#define R4_VERSION 2
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typedef struct {
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s32 tv_sec;
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s32 tv_nsec;
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} timestruct_t;
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struct sol_stat {
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u32 st_dev;
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s32 st_pad1[3]; /* network id */
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u32 st_ino;
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u32 st_mode;
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u32 st_nlink;
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u32 st_uid;
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u32 st_gid;
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u32 st_rdev;
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s32 st_pad2[2];
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s32 st_size;
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s32 st_pad3; /* st_size, off_t expansion */
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timestruct_t st_atime;
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timestruct_t st_mtime;
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timestruct_t st_ctime;
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s32 st_blksize;
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s32 st_blocks;
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char st_fstype[16];
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s32 st_pad4[8]; /* expansion area */
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};
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struct sol_stat64 {
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u32 st_dev;
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s32 st_pad1[3]; /* network id */
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u64 st_ino;
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u32 st_mode;
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u32 st_nlink;
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u32 st_uid;
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u32 st_gid;
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u32 st_rdev;
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s32 st_pad2[2];
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s64 st_size;
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timestruct_t st_atime;
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timestruct_t st_mtime;
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timestruct_t st_ctime;
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s64 st_blksize;
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s32 st_blocks;
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char st_fstype[16];
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s32 st_pad4[4]; /* expansion area */
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};
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#define UFSMAGIC (((unsigned)'u'<<24)||((unsigned)'f'<<16)||((unsigned)'s'<<8))
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static inline int putstat(struct sol_stat __user *ubuf, struct kstat *kbuf)
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{
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2006-10-03 02:13:46 -06:00
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u32 ino;
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2005-04-16 16:20:36 -06:00
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if (kbuf->size > MAX_NON_LFS ||
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!sysv_valid_dev(kbuf->dev) ||
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!sysv_valid_dev(kbuf->rdev))
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return -EOVERFLOW;
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2006-10-03 02:13:46 -06:00
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ino = kbuf->ino;
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if (sizeof(ino) < sizeof(kbuf->ino) && ino != kbuf->ino)
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return -EOVERFLOW;
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2005-04-16 16:20:36 -06:00
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if (put_user (sysv_encode_dev(kbuf->dev), &ubuf->st_dev) ||
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2006-10-03 02:13:46 -06:00
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__put_user (ino, &ubuf->st_ino) ||
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2005-04-16 16:20:36 -06:00
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__put_user (kbuf->mode, &ubuf->st_mode) ||
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__put_user (kbuf->nlink, &ubuf->st_nlink) ||
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__put_user (kbuf->uid, &ubuf->st_uid) ||
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__put_user (kbuf->gid, &ubuf->st_gid) ||
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__put_user (sysv_encode_dev(kbuf->rdev), &ubuf->st_rdev) ||
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__put_user (kbuf->size, &ubuf->st_size) ||
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__put_user (kbuf->atime.tv_sec, &ubuf->st_atime.tv_sec) ||
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__put_user (kbuf->atime.tv_nsec, &ubuf->st_atime.tv_nsec) ||
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__put_user (kbuf->mtime.tv_sec, &ubuf->st_mtime.tv_sec) ||
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__put_user (kbuf->mtime.tv_nsec, &ubuf->st_mtime.tv_nsec) ||
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__put_user (kbuf->ctime.tv_sec, &ubuf->st_ctime.tv_sec) ||
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__put_user (kbuf->ctime.tv_nsec, &ubuf->st_ctime.tv_nsec) ||
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__put_user (kbuf->blksize, &ubuf->st_blksize) ||
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__put_user (kbuf->blocks, &ubuf->st_blocks) ||
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__put_user (UFSMAGIC, (unsigned __user *)ubuf->st_fstype))
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return -EFAULT;
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return 0;
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}
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static inline int putstat64(struct sol_stat64 __user *ubuf, struct kstat *kbuf)
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{
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if (!sysv_valid_dev(kbuf->dev) || !sysv_valid_dev(kbuf->rdev))
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return -EOVERFLOW;
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if (put_user (sysv_encode_dev(kbuf->dev), &ubuf->st_dev) ||
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__put_user (kbuf->ino, &ubuf->st_ino) ||
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__put_user (kbuf->mode, &ubuf->st_mode) ||
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__put_user (kbuf->nlink, &ubuf->st_nlink) ||
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__put_user (kbuf->uid, &ubuf->st_uid) ||
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__put_user (kbuf->gid, &ubuf->st_gid) ||
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__put_user (sysv_encode_dev(kbuf->rdev), &ubuf->st_rdev) ||
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__put_user (kbuf->size, &ubuf->st_size) ||
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__put_user (kbuf->atime.tv_sec, &ubuf->st_atime.tv_sec) ||
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__put_user (kbuf->atime.tv_nsec, &ubuf->st_atime.tv_nsec) ||
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__put_user (kbuf->mtime.tv_sec, &ubuf->st_mtime.tv_sec) ||
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__put_user (kbuf->mtime.tv_nsec, &ubuf->st_mtime.tv_nsec) ||
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__put_user (kbuf->ctime.tv_sec, &ubuf->st_ctime.tv_sec) ||
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__put_user (kbuf->ctime.tv_nsec, &ubuf->st_ctime.tv_nsec) ||
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__put_user (kbuf->blksize, &ubuf->st_blksize) ||
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__put_user (kbuf->blocks, &ubuf->st_blocks) ||
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__put_user (UFSMAGIC, (unsigned __user *)ubuf->st_fstype))
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return -EFAULT;
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return 0;
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}
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asmlinkage int solaris_stat(u32 filename, u32 statbuf)
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{
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struct kstat s;
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int ret = vfs_stat(A(filename), &s);
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if (!ret)
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return putstat(A(statbuf), &s);
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return ret;
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}
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asmlinkage int solaris_xstat(int vers, u32 filename, u32 statbuf)
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{
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/* Solaris doesn't bother with looking at vers, so we do neither */
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return solaris_stat(filename, statbuf);
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}
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asmlinkage int solaris_stat64(u32 filename, u32 statbuf)
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{
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struct kstat s;
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int ret = vfs_stat(A(filename), &s);
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if (!ret)
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return putstat64(A(statbuf), &s);
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return ret;
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}
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asmlinkage int solaris_lstat(u32 filename, u32 statbuf)
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{
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struct kstat s;
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int ret = vfs_lstat(A(filename), &s);
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if (!ret)
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return putstat(A(statbuf), &s);
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return ret;
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}
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asmlinkage int solaris_lxstat(int vers, u32 filename, u32 statbuf)
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{
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return solaris_lstat(filename, statbuf);
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}
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asmlinkage int solaris_lstat64(u32 filename, u32 statbuf)
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{
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struct kstat s;
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int ret = vfs_lstat(A(filename), &s);
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if (!ret)
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return putstat64(A(statbuf), &s);
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return ret;
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}
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asmlinkage int solaris_fstat(unsigned int fd, u32 statbuf)
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{
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struct kstat s;
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int ret = vfs_fstat(fd, &s);
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if (!ret)
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return putstat(A(statbuf), &s);
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return ret;
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}
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asmlinkage int solaris_fxstat(int vers, u32 fd, u32 statbuf)
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{
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return solaris_fstat(fd, statbuf);
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}
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asmlinkage int solaris_fstat64(unsigned int fd, u32 statbuf)
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{
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struct kstat s;
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int ret = vfs_fstat(fd, &s);
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if (!ret)
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return putstat64(A(statbuf), &s);
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return ret;
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}
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asmlinkage int solaris_mknod(u32 path, u32 mode, s32 dev)
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{
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int (*sys_mknod)(const char __user *,int,unsigned) =
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(int (*)(const char __user *,int,unsigned))SYS(mknod);
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int major = sysv_major(dev);
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int minor = sysv_minor(dev);
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/* minor is guaranteed to be OK for MKDEV, major might be not */
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if (major > 0xfff)
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return -EINVAL;
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return sys_mknod(A(path), mode, new_encode_dev(MKDEV(major,minor)));
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}
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asmlinkage int solaris_xmknod(int vers, u32 path, u32 mode, s32 dev)
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{
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return solaris_mknod(path, mode, dev);
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}
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asmlinkage int solaris_getdents64(unsigned int fd, void __user *dirent, unsigned int count)
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{
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int (*sys_getdents)(unsigned int, void __user *, unsigned int) =
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(int (*)(unsigned int, void __user *, unsigned int))SYS(getdents);
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return sys_getdents(fd, dirent, count);
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}
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/* This statfs thingie probably will go in the near future, but... */
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struct sol_statfs {
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short f_type;
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s32 f_bsize;
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s32 f_frsize;
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s32 f_blocks;
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s32 f_bfree;
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u32 f_files;
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u32 f_ffree;
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char f_fname[6];
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char f_fpack[6];
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};
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asmlinkage int solaris_statfs(u32 path, u32 buf, int len, int fstype)
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{
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int ret;
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struct statfs s;
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mm_segment_t old_fs = get_fs();
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int (*sys_statfs)(const char __user *,struct statfs __user *) =
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(int (*)(const char __user *,struct statfs __user *))SYS(statfs);
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struct sol_statfs __user *ss = A(buf);
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if (len != sizeof(struct sol_statfs)) return -EINVAL;
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if (!fstype) {
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/* FIXME: mixing userland and kernel pointers */
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set_fs (KERNEL_DS);
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ret = sys_statfs(A(path), &s);
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set_fs (old_fs);
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if (!ret) {
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if (put_user (s.f_type, &ss->f_type) ||
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__put_user (s.f_bsize, &ss->f_bsize) ||
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__put_user (0, &ss->f_frsize) ||
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__put_user (s.f_blocks, &ss->f_blocks) ||
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__put_user (s.f_bfree, &ss->f_bfree) ||
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__put_user (s.f_files, &ss->f_files) ||
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__put_user (s.f_ffree, &ss->f_ffree) ||
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__clear_user (&ss->f_fname, 12))
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return -EFAULT;
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}
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return ret;
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}
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/* Linux can't stat unmounted filesystems so we
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* simply lie and claim 100MB of 1GB is free. Sorry.
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*/
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if (put_user (fstype, &ss->f_type) ||
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__put_user (1024, &ss->f_bsize) ||
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__put_user (0, &ss->f_frsize) ||
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__put_user (1024*1024, &ss->f_blocks) ||
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__put_user (100*1024, &ss->f_bfree) ||
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__put_user (60000, &ss->f_files) ||
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__put_user (50000, &ss->f_ffree) ||
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__clear_user (&ss->f_fname, 12))
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return -EFAULT;
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return 0;
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}
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asmlinkage int solaris_fstatfs(u32 fd, u32 buf, int len, int fstype)
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{
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int ret;
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struct statfs s;
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mm_segment_t old_fs = get_fs();
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int (*sys_fstatfs)(unsigned,struct statfs __user *) =
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(int (*)(unsigned,struct statfs __user *))SYS(fstatfs);
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struct sol_statfs __user *ss = A(buf);
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if (len != sizeof(struct sol_statfs)) return -EINVAL;
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if (!fstype) {
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set_fs (KERNEL_DS);
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ret = sys_fstatfs(fd, &s);
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set_fs (old_fs);
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if (!ret) {
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if (put_user (s.f_type, &ss->f_type) ||
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__put_user (s.f_bsize, &ss->f_bsize) ||
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__put_user (0, &ss->f_frsize) ||
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__put_user (s.f_blocks, &ss->f_blocks) ||
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__put_user (s.f_bfree, &ss->f_bfree) ||
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__put_user (s.f_files, &ss->f_files) ||
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__put_user (s.f_ffree, &ss->f_ffree) ||
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__clear_user (&ss->f_fname, 12))
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return -EFAULT;
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}
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return ret;
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}
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/* Otherwise fstatfs is the same as statfs */
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return solaris_statfs(0, buf, len, fstype);
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}
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struct sol_statvfs {
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u32 f_bsize;
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u32 f_frsize;
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u32 f_blocks;
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u32 f_bfree;
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u32 f_bavail;
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u32 f_files;
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u32 f_ffree;
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u32 f_favail;
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|
|
|
u32 f_fsid;
|
|
|
|
char f_basetype[16];
|
|
|
|
u32 f_flag;
|
|
|
|
u32 f_namemax;
|
|
|
|
char f_fstr[32];
|
|
|
|
u32 f_filler[16];
|
|
|
|
};
|
|
|
|
|
|
|
|
struct sol_statvfs64 {
|
|
|
|
u32 f_bsize;
|
|
|
|
u32 f_frsize;
|
|
|
|
u64 f_blocks;
|
|
|
|
u64 f_bfree;
|
|
|
|
u64 f_bavail;
|
|
|
|
u64 f_files;
|
|
|
|
u64 f_ffree;
|
|
|
|
u64 f_favail;
|
|
|
|
u32 f_fsid;
|
|
|
|
char f_basetype[16];
|
|
|
|
u32 f_flag;
|
|
|
|
u32 f_namemax;
|
|
|
|
char f_fstr[32];
|
|
|
|
u32 f_filler[16];
|
|
|
|
};
|
|
|
|
|
|
|
|
static int report_statvfs(struct vfsmount *mnt, struct inode *inode, u32 buf)
|
|
|
|
{
|
|
|
|
struct kstatfs s;
|
|
|
|
int error;
|
|
|
|
struct sol_statvfs __user *ss = A(buf);
|
|
|
|
|
2006-06-23 03:02:58 -06:00
|
|
|
error = vfs_statfs(mnt->mnt_root, &s);
|
2005-04-16 16:20:36 -06:00
|
|
|
if (!error) {
|
|
|
|
const char *p = mnt->mnt_sb->s_type->name;
|
|
|
|
int i = 0;
|
|
|
|
int j = strlen (p);
|
|
|
|
|
|
|
|
if (j > 15) j = 15;
|
|
|
|
if (IS_RDONLY(inode)) i = 1;
|
|
|
|
if (mnt->mnt_flags & MNT_NOSUID) i |= 2;
|
|
|
|
if (!sysv_valid_dev(inode->i_sb->s_dev))
|
|
|
|
return -EOVERFLOW;
|
|
|
|
if (put_user (s.f_bsize, &ss->f_bsize) ||
|
|
|
|
__put_user (0, &ss->f_frsize) ||
|
|
|
|
__put_user (s.f_blocks, &ss->f_blocks) ||
|
|
|
|
__put_user (s.f_bfree, &ss->f_bfree) ||
|
|
|
|
__put_user (s.f_bavail, &ss->f_bavail) ||
|
|
|
|
__put_user (s.f_files, &ss->f_files) ||
|
|
|
|
__put_user (s.f_ffree, &ss->f_ffree) ||
|
|
|
|
__put_user (s.f_ffree, &ss->f_favail) ||
|
|
|
|
__put_user (sysv_encode_dev(inode->i_sb->s_dev), &ss->f_fsid) ||
|
|
|
|
__copy_to_user (ss->f_basetype,p,j) ||
|
|
|
|
__put_user (0, (char __user *)&ss->f_basetype[j]) ||
|
|
|
|
__put_user (s.f_namelen, &ss->f_namemax) ||
|
|
|
|
__put_user (i, &ss->f_flag) ||
|
|
|
|
__clear_user (&ss->f_fstr, 32))
|
|
|
|
return -EFAULT;
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int report_statvfs64(struct vfsmount *mnt, struct inode *inode, u32 buf)
|
|
|
|
{
|
|
|
|
struct kstatfs s;
|
|
|
|
int error;
|
|
|
|
struct sol_statvfs64 __user *ss = A(buf);
|
|
|
|
|
2006-06-23 03:02:58 -06:00
|
|
|
error = vfs_statfs(mnt->mnt_root, &s);
|
2005-04-16 16:20:36 -06:00
|
|
|
if (!error) {
|
|
|
|
const char *p = mnt->mnt_sb->s_type->name;
|
|
|
|
int i = 0;
|
|
|
|
int j = strlen (p);
|
|
|
|
|
|
|
|
if (j > 15) j = 15;
|
|
|
|
if (IS_RDONLY(inode)) i = 1;
|
|
|
|
if (mnt->mnt_flags & MNT_NOSUID) i |= 2;
|
|
|
|
if (!sysv_valid_dev(inode->i_sb->s_dev))
|
|
|
|
return -EOVERFLOW;
|
|
|
|
if (put_user (s.f_bsize, &ss->f_bsize) ||
|
|
|
|
__put_user (0, &ss->f_frsize) ||
|
|
|
|
__put_user (s.f_blocks, &ss->f_blocks) ||
|
|
|
|
__put_user (s.f_bfree, &ss->f_bfree) ||
|
|
|
|
__put_user (s.f_bavail, &ss->f_bavail) ||
|
|
|
|
__put_user (s.f_files, &ss->f_files) ||
|
|
|
|
__put_user (s.f_ffree, &ss->f_ffree) ||
|
|
|
|
__put_user (s.f_ffree, &ss->f_favail) ||
|
|
|
|
__put_user (sysv_encode_dev(inode->i_sb->s_dev), &ss->f_fsid) ||
|
|
|
|
__copy_to_user (ss->f_basetype,p,j) ||
|
|
|
|
__put_user (0, (char __user *)&ss->f_basetype[j]) ||
|
|
|
|
__put_user (s.f_namelen, &ss->f_namemax) ||
|
|
|
|
__put_user (i, &ss->f_flag) ||
|
|
|
|
__clear_user (&ss->f_fstr, 32))
|
|
|
|
return -EFAULT;
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_statvfs(u32 path, u32 buf)
|
|
|
|
{
|
|
|
|
struct nameidata nd;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
error = user_path_walk(A(path),&nd);
|
|
|
|
if (!error) {
|
|
|
|
struct inode * inode = nd.dentry->d_inode;
|
|
|
|
error = report_statvfs(nd.mnt, inode, buf);
|
|
|
|
path_release(&nd);
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_fstatvfs(unsigned int fd, u32 buf)
|
|
|
|
{
|
|
|
|
struct file * file;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
error = -EBADF;
|
|
|
|
file = fget(fd);
|
|
|
|
if (file) {
|
2006-12-08 03:37:41 -07:00
|
|
|
error = report_statvfs(file->f_path.mnt, file->f_path.dentry->d_inode, buf);
|
2005-04-16 16:20:36 -06:00
|
|
|
fput(file);
|
|
|
|
}
|
|
|
|
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_statvfs64(u32 path, u32 buf)
|
|
|
|
{
|
|
|
|
struct nameidata nd;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
lock_kernel();
|
|
|
|
error = user_path_walk(A(path), &nd);
|
|
|
|
if (!error) {
|
|
|
|
struct inode * inode = nd.dentry->d_inode;
|
|
|
|
error = report_statvfs64(nd.mnt, inode, buf);
|
|
|
|
path_release(&nd);
|
|
|
|
}
|
|
|
|
unlock_kernel();
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_fstatvfs64(unsigned int fd, u32 buf)
|
|
|
|
{
|
|
|
|
struct file * file;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
error = -EBADF;
|
|
|
|
file = fget(fd);
|
|
|
|
if (file) {
|
|
|
|
lock_kernel();
|
2006-12-08 03:37:41 -07:00
|
|
|
error = report_statvfs64(file->f_path.mnt, file->f_path.dentry->d_inode, buf);
|
2005-04-16 16:20:36 -06:00
|
|
|
unlock_kernel();
|
|
|
|
fput(file);
|
|
|
|
}
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
extern asmlinkage long sparc32_open(const char * filename, int flags, int mode);
|
|
|
|
|
|
|
|
asmlinkage int solaris_open(u32 fname, int flags, u32 mode)
|
|
|
|
{
|
|
|
|
const char *filename = (const char *)(long)fname;
|
|
|
|
int fl = flags & 0xf;
|
|
|
|
|
|
|
|
/* Translate flags first. */
|
|
|
|
if (flags & 0x2000) fl |= O_LARGEFILE;
|
|
|
|
if (flags & 0x8050) fl |= O_SYNC;
|
|
|
|
if (flags & 0x80) fl |= O_NONBLOCK;
|
|
|
|
if (flags & 0x100) fl |= O_CREAT;
|
|
|
|
if (flags & 0x200) fl |= O_TRUNC;
|
|
|
|
if (flags & 0x400) fl |= O_EXCL;
|
|
|
|
if (flags & 0x800) fl |= O_NOCTTY;
|
|
|
|
flags = fl;
|
|
|
|
|
|
|
|
return sparc32_open(filename, flags, mode);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define SOL_F_SETLK 6
|
|
|
|
#define SOL_F_SETLKW 7
|
|
|
|
#define SOL_F_FREESP 11
|
|
|
|
#define SOL_F_ISSTREAM 13
|
|
|
|
#define SOL_F_GETLK 14
|
|
|
|
#define SOL_F_PRIV 15
|
|
|
|
#define SOL_F_NPRIV 16
|
|
|
|
#define SOL_F_QUOTACTL 17
|
|
|
|
#define SOL_F_BLOCKS 18
|
|
|
|
#define SOL_F_BLKSIZE 19
|
|
|
|
#define SOL_F_GETOWN 23
|
|
|
|
#define SOL_F_SETOWN 24
|
|
|
|
|
|
|
|
struct sol_flock {
|
|
|
|
short l_type;
|
|
|
|
short l_whence;
|
|
|
|
u32 l_start;
|
|
|
|
u32 l_len;
|
|
|
|
s32 l_sysid;
|
|
|
|
s32 l_pid;
|
|
|
|
s32 l_pad[4];
|
|
|
|
};
|
|
|
|
|
|
|
|
asmlinkage int solaris_fcntl(unsigned fd, unsigned cmd, u32 arg)
|
|
|
|
{
|
|
|
|
int (*sys_fcntl)(unsigned,unsigned,unsigned long) =
|
|
|
|
(int (*)(unsigned,unsigned,unsigned long))SYS(fcntl);
|
|
|
|
int ret, flags;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case F_DUPFD:
|
|
|
|
case F_GETFD:
|
|
|
|
case F_SETFD: return sys_fcntl(fd, cmd, (unsigned long)arg);
|
|
|
|
case F_GETFL:
|
|
|
|
flags = sys_fcntl(fd, cmd, 0);
|
|
|
|
ret = flags & 0xf;
|
|
|
|
if (flags & O_SYNC) ret |= 0x8050;
|
|
|
|
if (flags & O_NONBLOCK) ret |= 0x80;
|
|
|
|
return ret;
|
|
|
|
case F_SETFL:
|
|
|
|
flags = arg & 0xf;
|
|
|
|
if (arg & 0x8050) flags |= O_SYNC;
|
|
|
|
if (arg & 0x80) flags |= O_NONBLOCK;
|
|
|
|
return sys_fcntl(fd, cmd, (long)flags);
|
|
|
|
case SOL_F_GETLK:
|
|
|
|
case SOL_F_SETLK:
|
|
|
|
case SOL_F_SETLKW:
|
|
|
|
{
|
|
|
|
struct flock f;
|
|
|
|
struct sol_flock __user *p = A(arg);
|
|
|
|
mm_segment_t old_fs = get_fs();
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case SOL_F_GETLK: cmd = F_GETLK; break;
|
|
|
|
case SOL_F_SETLK: cmd = F_SETLK; break;
|
|
|
|
case SOL_F_SETLKW: cmd = F_SETLKW; break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (get_user (f.l_type, &p->l_type) ||
|
|
|
|
__get_user (f.l_whence, &p->l_whence) ||
|
|
|
|
__get_user (f.l_start, &p->l_start) ||
|
|
|
|
__get_user (f.l_len, &p->l_len) ||
|
|
|
|
__get_user (f.l_pid, &p->l_sysid))
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
set_fs(KERNEL_DS);
|
|
|
|
ret = sys_fcntl(fd, cmd, (unsigned long)&f);
|
|
|
|
set_fs(old_fs);
|
|
|
|
|
|
|
|
if (__put_user (f.l_type, &p->l_type) ||
|
|
|
|
__put_user (f.l_whence, &p->l_whence) ||
|
|
|
|
__put_user (f.l_start, &p->l_start) ||
|
|
|
|
__put_user (f.l_len, &p->l_len) ||
|
|
|
|
__put_user (f.l_pid, &p->l_pid) ||
|
|
|
|
__put_user (0, &p->l_sysid))
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
case SOL_F_FREESP:
|
|
|
|
{
|
|
|
|
int length;
|
|
|
|
int (*sys_newftruncate)(unsigned int, unsigned long)=
|
|
|
|
(int (*)(unsigned int, unsigned long))SYS(ftruncate);
|
|
|
|
|
|
|
|
if (get_user(length, &((struct sol_flock __user *)A(arg))->l_start))
|
|
|
|
return -EFAULT;
|
|
|
|
|
|
|
|
return sys_newftruncate(fd, length);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_ulimit(int cmd, int val)
|
|
|
|
{
|
|
|
|
switch (cmd) {
|
|
|
|
case 1: /* UL_GETFSIZE - in 512B chunks */
|
|
|
|
return current->signal->rlim[RLIMIT_FSIZE].rlim_cur >> 9;
|
|
|
|
case 2: /* UL_SETFSIZE */
|
|
|
|
if ((unsigned long)val > (LONG_MAX>>9)) return -ERANGE;
|
|
|
|
val <<= 9;
|
|
|
|
task_lock(current->group_leader);
|
|
|
|
if (val > current->signal->rlim[RLIMIT_FSIZE].rlim_max) {
|
|
|
|
if (!capable(CAP_SYS_RESOURCE)) {
|
|
|
|
task_unlock(current->group_leader);
|
|
|
|
return -EPERM;
|
|
|
|
}
|
|
|
|
current->signal->rlim[RLIMIT_FSIZE].rlim_max = val;
|
|
|
|
}
|
|
|
|
current->signal->rlim[RLIMIT_FSIZE].rlim_cur = val;
|
|
|
|
task_unlock(current->group_leader);
|
|
|
|
return 0;
|
|
|
|
case 3: /* UL_GMEMLIM */
|
|
|
|
return current->signal->rlim[RLIMIT_DATA].rlim_cur;
|
|
|
|
case 4: /* UL_GDESLIM */
|
|
|
|
return NR_OPEN;
|
|
|
|
}
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* At least at the time I'm writing this, Linux doesn't have ACLs, so we
|
|
|
|
just fake this */
|
|
|
|
asmlinkage int solaris_acl(u32 filename, int cmd, int nentries, u32 aclbufp)
|
|
|
|
{
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_facl(unsigned int fd, int cmd, int nentries, u32 aclbufp)
|
|
|
|
{
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_pread(unsigned int fd, char __user *buf, u32 count, u32 pos)
|
|
|
|
{
|
|
|
|
ssize_t (*sys_pread64)(unsigned int, char __user *, size_t, loff_t) =
|
|
|
|
(ssize_t (*)(unsigned int, char __user *, size_t, loff_t))SYS(pread64);
|
|
|
|
|
|
|
|
return sys_pread64(fd, buf, count, (loff_t)pos);
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_pwrite(unsigned int fd, char __user *buf, u32 count, u32 pos)
|
|
|
|
{
|
|
|
|
ssize_t (*sys_pwrite64)(unsigned int, char __user *, size_t, loff_t) =
|
|
|
|
(ssize_t (*)(unsigned int, char __user *, size_t, loff_t))SYS(pwrite64);
|
|
|
|
|
|
|
|
return sys_pwrite64(fd, buf, count, (loff_t)pos);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* POSIX.1 names */
|
|
|
|
#define _PC_LINK_MAX 1
|
|
|
|
#define _PC_MAX_CANON 2
|
|
|
|
#define _PC_MAX_INPUT 3
|
|
|
|
#define _PC_NAME_MAX 4
|
|
|
|
#define _PC_PATH_MAX 5
|
|
|
|
#define _PC_PIPE_BUF 6
|
|
|
|
#define _PC_NO_TRUNC 7
|
|
|
|
#define _PC_VDISABLE 8
|
|
|
|
#define _PC_CHOWN_RESTRICTED 9
|
|
|
|
/* POSIX.4 names */
|
|
|
|
#define _PC_ASYNC_IO 10
|
|
|
|
#define _PC_PRIO_IO 11
|
|
|
|
#define _PC_SYNC_IO 12
|
|
|
|
#define _PC_LAST 12
|
|
|
|
|
|
|
|
/* This is not a real and complete implementation yet, just to keep
|
|
|
|
* the easy Solaris binaries happy.
|
|
|
|
*/
|
|
|
|
asmlinkage int solaris_fpathconf(int fd, int name)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
switch(name) {
|
|
|
|
case _PC_LINK_MAX:
|
|
|
|
ret = LINK_MAX;
|
|
|
|
break;
|
|
|
|
case _PC_MAX_CANON:
|
|
|
|
ret = MAX_CANON;
|
|
|
|
break;
|
|
|
|
case _PC_MAX_INPUT:
|
|
|
|
ret = MAX_INPUT;
|
|
|
|
break;
|
|
|
|
case _PC_NAME_MAX:
|
|
|
|
ret = NAME_MAX;
|
|
|
|
break;
|
|
|
|
case _PC_PATH_MAX:
|
|
|
|
ret = PATH_MAX;
|
|
|
|
break;
|
|
|
|
case _PC_PIPE_BUF:
|
|
|
|
ret = PIPE_BUF;
|
|
|
|
break;
|
|
|
|
case _PC_CHOWN_RESTRICTED:
|
|
|
|
ret = 1;
|
|
|
|
break;
|
|
|
|
case _PC_NO_TRUNC:
|
|
|
|
case _PC_VDISABLE:
|
|
|
|
ret = 0;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
ret = -EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
asmlinkage int solaris_pathconf(u32 path, int name)
|
|
|
|
{
|
|
|
|
return solaris_fpathconf(0, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* solaris_llseek returns long long - quite difficult */
|
|
|
|
asmlinkage long solaris_llseek(struct pt_regs *regs, u32 off_hi, u32 off_lo, int whence)
|
|
|
|
{
|
|
|
|
int (*sys_llseek)(unsigned int, unsigned long, unsigned long, loff_t __user *, unsigned int) =
|
|
|
|
(int (*)(unsigned int, unsigned long, unsigned long, loff_t __user *, unsigned int))SYS(_llseek);
|
|
|
|
int ret;
|
|
|
|
mm_segment_t old_fs = get_fs();
|
|
|
|
loff_t retval;
|
|
|
|
|
|
|
|
set_fs(KERNEL_DS);
|
|
|
|
ret = sys_llseek((unsigned int)regs->u_regs[UREG_I0], off_hi, off_lo, &retval, whence);
|
|
|
|
set_fs(old_fs);
|
|
|
|
if (ret < 0) return ret;
|
|
|
|
regs->u_regs[UREG_I1] = (u32)retval;
|
|
|
|
return (retval >> 32);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Have to mask out all but lower 3 bits */
|
|
|
|
asmlinkage int solaris_access(u32 filename, long mode)
|
|
|
|
{
|
|
|
|
int (*sys_access)(const char __user *, int) =
|
|
|
|
(int (*)(const char __user *, int))SYS(access);
|
|
|
|
|
|
|
|
return sys_access(A(filename), mode & 7);
|
|
|
|
}
|