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1300 lines
35 KiB
1300 lines
35 KiB
/*
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* Conversion between 32-bit and 64-bit native system calls.
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*
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* Copyright (C) 2000 Silicon Graphics, Inc.
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* Written by Ulf Carlsson (ulfc@engr.sgi.com)
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* sys32_execve from ia64/ia32 code, Feb 2000, Kanoj Sarcar (kanoj@sgi.com)
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*/
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#include <linux/compiler.h>
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#include <linux/mm.h>
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#include <linux/errno.h>
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#include <linux/file.h>
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#include <linux/smp_lock.h>
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#include <linux/highuid.h>
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#include <linux/dirent.h>
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#include <linux/resource.h>
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#include <linux/highmem.h>
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#include <linux/time.h>
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#include <linux/times.h>
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#include <linux/poll.h>
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#include <linux/slab.h>
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#include <linux/skbuff.h>
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#include <linux/filter.h>
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#include <linux/shm.h>
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#include <linux/sem.h>
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#include <linux/msg.h>
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#include <linux/icmpv6.h>
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#include <linux/syscalls.h>
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#include <linux/sysctl.h>
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#include <linux/utime.h>
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#include <linux/utsname.h>
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#include <linux/personality.h>
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#include <linux/dnotify.h>
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#include <linux/module.h>
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#include <linux/binfmts.h>
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#include <linux/security.h>
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#include <linux/compat.h>
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#include <linux/vfs.h>
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#include <net/sock.h>
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#include <net/scm.h>
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#include <asm/ipc.h>
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#include <asm/sim.h>
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#include <asm/uaccess.h>
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#include <asm/mmu_context.h>
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#include <asm/mman.h>
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/* Use this to get at 32-bit user passed pointers. */
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/* A() macro should be used for places where you e.g.
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have some internal variable u32 and just want to get
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rid of a compiler warning. AA() has to be used in
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places where you want to convert a function argument
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to 32bit pointer or when you e.g. access pt_regs
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structure and want to consider 32bit registers only.
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*/
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#define A(__x) ((unsigned long)(__x))
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#define AA(__x) ((unsigned long)((int)__x))
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#ifdef __MIPSEB__
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#define merge_64(r1,r2) ((((r1) & 0xffffffffUL) << 32) + ((r2) & 0xffffffffUL))
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#endif
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#ifdef __MIPSEL__
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#define merge_64(r1,r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL))
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#endif
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/*
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* Revalidate the inode. This is required for proper NFS attribute caching.
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*/
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int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
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{
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struct compat_stat tmp;
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if (!new_valid_dev(stat->dev) || !new_valid_dev(stat->rdev))
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return -EOVERFLOW;
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memset(&tmp, 0, sizeof(tmp));
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tmp.st_dev = new_encode_dev(stat->dev);
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tmp.st_ino = stat->ino;
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if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
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return -EOVERFLOW;
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tmp.st_mode = stat->mode;
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tmp.st_nlink = stat->nlink;
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SET_UID(tmp.st_uid, stat->uid);
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SET_GID(tmp.st_gid, stat->gid);
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tmp.st_rdev = new_encode_dev(stat->rdev);
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tmp.st_size = stat->size;
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tmp.st_atime = stat->atime.tv_sec;
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tmp.st_mtime = stat->mtime.tv_sec;
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tmp.st_ctime = stat->ctime.tv_sec;
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#ifdef STAT_HAVE_NSEC
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tmp.st_atime_nsec = stat->atime.tv_nsec;
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tmp.st_mtime_nsec = stat->mtime.tv_nsec;
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tmp.st_ctime_nsec = stat->ctime.tv_nsec;
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#endif
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tmp.st_blocks = stat->blocks;
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tmp.st_blksize = stat->blksize;
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return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0;
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}
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asmlinkage unsigned long
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sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
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unsigned long flags, unsigned long fd, unsigned long pgoff)
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{
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struct file * file = NULL;
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unsigned long error;
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error = -EINVAL;
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if (pgoff & (~PAGE_MASK >> 12))
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goto out;
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pgoff >>= PAGE_SHIFT-12;
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if (!(flags & MAP_ANONYMOUS)) {
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error = -EBADF;
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file = fget(fd);
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if (!file)
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goto out;
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}
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flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
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down_write(¤t->mm->mmap_sem);
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error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
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up_write(¤t->mm->mmap_sem);
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if (file)
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fput(file);
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out:
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return error;
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}
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asmlinkage int sys_truncate64(const char __user *path, unsigned int high,
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unsigned int low)
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{
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if ((int)high < 0)
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return -EINVAL;
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return sys_truncate(path, ((long) high << 32) | low);
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}
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asmlinkage int sys_ftruncate64(unsigned int fd, unsigned int high,
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unsigned int low)
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{
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if ((int)high < 0)
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return -EINVAL;
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return sys_ftruncate(fd, ((long) high << 32) | low);
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}
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/*
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* sys_execve() executes a new program.
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*/
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asmlinkage int sys32_execve(nabi_no_regargs struct pt_regs regs)
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{
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int error;
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char * filename;
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filename = getname(compat_ptr(regs.regs[4]));
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error = PTR_ERR(filename);
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if (IS_ERR(filename))
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goto out;
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error = compat_do_execve(filename, compat_ptr(regs.regs[5]),
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compat_ptr(regs.regs[6]), ®s);
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putname(filename);
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out:
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return error;
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}
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asmlinkage long
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sysn32_waitid(int which, compat_pid_t pid,
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siginfo_t __user *uinfo, int options,
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struct compat_rusage __user *uru)
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{
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struct rusage ru;
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long ret;
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mm_segment_t old_fs = get_fs();
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int si_signo;
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if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo)))
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return -EFAULT;
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set_fs (KERNEL_DS);
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ret = sys_waitid(which, pid, uinfo, options,
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uru ? (struct rusage __user *) &ru : NULL);
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set_fs (old_fs);
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if (__get_user(si_signo, &uinfo->si_signo))
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return -EFAULT;
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if (ret < 0 || si_signo == 0)
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return ret;
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if (uru)
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ret = put_compat_rusage(&ru, uru);
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return ret;
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}
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struct sysinfo32 {
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s32 uptime;
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u32 loads[3];
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u32 totalram;
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u32 freeram;
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u32 sharedram;
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u32 bufferram;
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u32 totalswap;
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u32 freeswap;
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u16 procs;
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u32 totalhigh;
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u32 freehigh;
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u32 mem_unit;
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char _f[8];
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};
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asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info)
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{
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struct sysinfo s;
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int ret, err;
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mm_segment_t old_fs = get_fs ();
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set_fs (KERNEL_DS);
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ret = sys_sysinfo((struct sysinfo __user *)&s);
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set_fs (old_fs);
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err = put_user (s.uptime, &info->uptime);
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err |= __put_user (s.loads[0], &info->loads[0]);
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err |= __put_user (s.loads[1], &info->loads[1]);
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err |= __put_user (s.loads[2], &info->loads[2]);
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err |= __put_user (s.totalram, &info->totalram);
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err |= __put_user (s.freeram, &info->freeram);
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err |= __put_user (s.sharedram, &info->sharedram);
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err |= __put_user (s.bufferram, &info->bufferram);
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err |= __put_user (s.totalswap, &info->totalswap);
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err |= __put_user (s.freeswap, &info->freeswap);
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err |= __put_user (s.procs, &info->procs);
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err |= __put_user (s.totalhigh, &info->totalhigh);
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err |= __put_user (s.freehigh, &info->freehigh);
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err |= __put_user (s.mem_unit, &info->mem_unit);
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if (err)
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return -EFAULT;
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return ret;
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}
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#define RLIM_INFINITY32 0x7fffffff
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#define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x)
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struct rlimit32 {
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int rlim_cur;
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int rlim_max;
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};
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#ifdef __MIPSEB__
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asmlinkage long sys32_truncate64(const char __user * path, unsigned long __dummy,
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int length_hi, int length_lo)
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#endif
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#ifdef __MIPSEL__
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asmlinkage long sys32_truncate64(const char __user * path, unsigned long __dummy,
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int length_lo, int length_hi)
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#endif
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{
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loff_t length;
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length = ((unsigned long) length_hi << 32) | (unsigned int) length_lo;
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return sys_truncate(path, length);
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}
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#ifdef __MIPSEB__
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asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy,
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int length_hi, int length_lo)
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#endif
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#ifdef __MIPSEL__
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asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy,
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int length_lo, int length_hi)
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#endif
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{
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loff_t length;
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length = ((unsigned long) length_hi << 32) | (unsigned int) length_lo;
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return sys_ftruncate(fd, length);
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}
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static inline long
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get_tv32(struct timeval *o, struct compat_timeval __user *i)
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{
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return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
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(__get_user(o->tv_sec, &i->tv_sec) |
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__get_user(o->tv_usec, &i->tv_usec)));
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}
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static inline long
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put_tv32(struct compat_timeval __user *o, struct timeval *i)
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{
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return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
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(__put_user(i->tv_sec, &o->tv_sec) |
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__put_user(i->tv_usec, &o->tv_usec)));
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}
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extern struct timezone sys_tz;
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asmlinkage int
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sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
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{
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if (tv) {
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struct timeval ktv;
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do_gettimeofday(&ktv);
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if (put_tv32(tv, &ktv))
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return -EFAULT;
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}
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if (tz) {
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if (copy_to_user(tz, &sys_tz, sizeof(sys_tz)))
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return -EFAULT;
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}
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return 0;
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}
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static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
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{
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long usec;
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if (!access_ok(VERIFY_READ, i, sizeof(*i)))
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return -EFAULT;
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if (__get_user(o->tv_sec, &i->tv_sec))
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return -EFAULT;
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if (__get_user(usec, &i->tv_usec))
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return -EFAULT;
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o->tv_nsec = usec * 1000;
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return 0;
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}
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asmlinkage int
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sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
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{
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struct timespec kts;
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struct timezone ktz;
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if (tv) {
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if (get_ts32(&kts, tv))
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return -EFAULT;
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}
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if (tz) {
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if (copy_from_user(&ktz, tz, sizeof(ktz)))
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return -EFAULT;
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}
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return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
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}
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asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
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unsigned int offset_low, loff_t __user * result,
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unsigned int origin)
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{
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return sys_llseek(fd, offset_high, offset_low, result, origin);
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}
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/* From the Single Unix Spec: pread & pwrite act like lseek to pos + op +
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lseek back to original location. They fail just like lseek does on
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non-seekable files. */
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asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf,
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size_t count, u32 unused, u64 a4, u64 a5)
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{
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return sys_pread64(fd, buf, count, merge_64(a4, a5));
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}
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asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf,
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size_t count, u32 unused, u64 a4, u64 a5)
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{
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return sys_pwrite64(fd, buf, count, merge_64(a4, a5));
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}
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asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
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struct compat_timespec __user *interval)
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{
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struct timespec t;
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int ret;
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mm_segment_t old_fs = get_fs ();
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set_fs (KERNEL_DS);
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ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
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set_fs (old_fs);
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if (put_user (t.tv_sec, &interval->tv_sec) ||
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__put_user (t.tv_nsec, &interval->tv_nsec))
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return -EFAULT;
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return ret;
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}
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|
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struct msgbuf32 { s32 mtype; char mtext[1]; };
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|
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struct ipc_perm32
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{
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key_t key;
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__compat_uid_t uid;
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__compat_gid_t gid;
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__compat_uid_t cuid;
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__compat_gid_t cgid;
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compat_mode_t mode;
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unsigned short seq;
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};
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|
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struct ipc64_perm32 {
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key_t key;
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__compat_uid_t uid;
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__compat_gid_t gid;
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__compat_uid_t cuid;
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__compat_gid_t cgid;
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compat_mode_t mode;
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unsigned short seq;
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unsigned short __pad1;
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unsigned int __unused1;
|
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unsigned int __unused2;
|
|
};
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|
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struct semid_ds32 {
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struct ipc_perm32 sem_perm; /* permissions .. see ipc.h */
|
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compat_time_t sem_otime; /* last semop time */
|
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compat_time_t sem_ctime; /* last change time */
|
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u32 sem_base; /* ptr to first semaphore in array */
|
|
u32 sem_pending; /* pending operations to be processed */
|
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u32 sem_pending_last; /* last pending operation */
|
|
u32 undo; /* undo requests on this array */
|
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unsigned short sem_nsems; /* no. of semaphores in array */
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};
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|
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struct semid64_ds32 {
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struct ipc64_perm32 sem_perm;
|
|
compat_time_t sem_otime;
|
|
compat_time_t sem_ctime;
|
|
unsigned int sem_nsems;
|
|
unsigned int __unused1;
|
|
unsigned int __unused2;
|
|
};
|
|
|
|
struct msqid_ds32
|
|
{
|
|
struct ipc_perm32 msg_perm;
|
|
u32 msg_first;
|
|
u32 msg_last;
|
|
compat_time_t msg_stime;
|
|
compat_time_t msg_rtime;
|
|
compat_time_t msg_ctime;
|
|
u32 wwait;
|
|
u32 rwait;
|
|
unsigned short msg_cbytes;
|
|
unsigned short msg_qnum;
|
|
unsigned short msg_qbytes;
|
|
compat_ipc_pid_t msg_lspid;
|
|
compat_ipc_pid_t msg_lrpid;
|
|
};
|
|
|
|
struct msqid64_ds32 {
|
|
struct ipc64_perm32 msg_perm;
|
|
compat_time_t msg_stime;
|
|
unsigned int __unused1;
|
|
compat_time_t msg_rtime;
|
|
unsigned int __unused2;
|
|
compat_time_t msg_ctime;
|
|
unsigned int __unused3;
|
|
unsigned int msg_cbytes;
|
|
unsigned int msg_qnum;
|
|
unsigned int msg_qbytes;
|
|
compat_pid_t msg_lspid;
|
|
compat_pid_t msg_lrpid;
|
|
unsigned int __unused4;
|
|
unsigned int __unused5;
|
|
};
|
|
|
|
struct shmid_ds32 {
|
|
struct ipc_perm32 shm_perm;
|
|
int shm_segsz;
|
|
compat_time_t shm_atime;
|
|
compat_time_t shm_dtime;
|
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compat_time_t shm_ctime;
|
|
compat_ipc_pid_t shm_cpid;
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|
compat_ipc_pid_t shm_lpid;
|
|
unsigned short shm_nattch;
|
|
};
|
|
|
|
struct shmid64_ds32 {
|
|
struct ipc64_perm32 shm_perm;
|
|
compat_size_t shm_segsz;
|
|
compat_time_t shm_atime;
|
|
compat_time_t shm_dtime;
|
|
compat_time_t shm_ctime;
|
|
compat_pid_t shm_cpid;
|
|
compat_pid_t shm_lpid;
|
|
unsigned int shm_nattch;
|
|
unsigned int __unused1;
|
|
unsigned int __unused2;
|
|
};
|
|
|
|
struct ipc_kludge32 {
|
|
u32 msgp;
|
|
s32 msgtyp;
|
|
};
|
|
|
|
static int
|
|
do_sys32_semctl(int first, int second, int third, void __user *uptr)
|
|
{
|
|
union semun fourth;
|
|
u32 pad;
|
|
int err, err2;
|
|
struct semid64_ds s;
|
|
mm_segment_t old_fs;
|
|
|
|
if (!uptr)
|
|
return -EINVAL;
|
|
err = -EFAULT;
|
|
if (get_user (pad, (u32 __user *)uptr))
|
|
return err;
|
|
if ((third & ~IPC_64) == SETVAL)
|
|
fourth.val = (int)pad;
|
|
else
|
|
fourth.__pad = (void __user *)A(pad);
|
|
switch (third & ~IPC_64) {
|
|
case IPC_INFO:
|
|
case IPC_RMID:
|
|
case IPC_SET:
|
|
case SEM_INFO:
|
|
case GETVAL:
|
|
case GETPID:
|
|
case GETNCNT:
|
|
case GETZCNT:
|
|
case GETALL:
|
|
case SETVAL:
|
|
case SETALL:
|
|
err = sys_semctl (first, second, third, fourth);
|
|
break;
|
|
|
|
case IPC_STAT:
|
|
case SEM_STAT:
|
|
fourth.__pad = (struct semid64_ds __user *)&s;
|
|
old_fs = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
err = sys_semctl(first, second, third | IPC_64, fourth);
|
|
set_fs(old_fs);
|
|
|
|
if (third & IPC_64) {
|
|
struct semid64_ds32 __user *usp64 = (struct semid64_ds32 __user *) A(pad);
|
|
|
|
if (!access_ok(VERIFY_WRITE, usp64, sizeof(*usp64))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err2 = __put_user(s.sem_perm.key, &usp64->sem_perm.key);
|
|
err2 |= __put_user(s.sem_perm.uid, &usp64->sem_perm.uid);
|
|
err2 |= __put_user(s.sem_perm.gid, &usp64->sem_perm.gid);
|
|
err2 |= __put_user(s.sem_perm.cuid, &usp64->sem_perm.cuid);
|
|
err2 |= __put_user(s.sem_perm.cgid, &usp64->sem_perm.cgid);
|
|
err2 |= __put_user(s.sem_perm.mode, &usp64->sem_perm.mode);
|
|
err2 |= __put_user(s.sem_perm.seq, &usp64->sem_perm.seq);
|
|
err2 |= __put_user(s.sem_otime, &usp64->sem_otime);
|
|
err2 |= __put_user(s.sem_ctime, &usp64->sem_ctime);
|
|
err2 |= __put_user(s.sem_nsems, &usp64->sem_nsems);
|
|
} else {
|
|
struct semid_ds32 __user *usp32 = (struct semid_ds32 __user *) A(pad);
|
|
|
|
if (!access_ok(VERIFY_WRITE, usp32, sizeof(*usp32))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err2 = __put_user(s.sem_perm.key, &usp32->sem_perm.key);
|
|
err2 |= __put_user(s.sem_perm.uid, &usp32->sem_perm.uid);
|
|
err2 |= __put_user(s.sem_perm.gid, &usp32->sem_perm.gid);
|
|
err2 |= __put_user(s.sem_perm.cuid, &usp32->sem_perm.cuid);
|
|
err2 |= __put_user(s.sem_perm.cgid, &usp32->sem_perm.cgid);
|
|
err2 |= __put_user(s.sem_perm.mode, &usp32->sem_perm.mode);
|
|
err2 |= __put_user(s.sem_perm.seq, &usp32->sem_perm.seq);
|
|
err2 |= __put_user(s.sem_otime, &usp32->sem_otime);
|
|
err2 |= __put_user(s.sem_ctime, &usp32->sem_ctime);
|
|
err2 |= __put_user(s.sem_nsems, &usp32->sem_nsems);
|
|
}
|
|
if (err2)
|
|
err = -EFAULT;
|
|
break;
|
|
|
|
default:
|
|
err = - EINVAL;
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
do_sys32_msgsnd (int first, int second, int third, void __user *uptr)
|
|
{
|
|
struct msgbuf32 __user *up = (struct msgbuf32 __user *)uptr;
|
|
struct msgbuf *p;
|
|
mm_segment_t old_fs;
|
|
int err;
|
|
|
|
if (second < 0)
|
|
return -EINVAL;
|
|
p = kmalloc (second + sizeof (struct msgbuf)
|
|
+ 4, GFP_USER);
|
|
if (!p)
|
|
return -ENOMEM;
|
|
err = get_user (p->mtype, &up->mtype);
|
|
if (err)
|
|
goto out;
|
|
err |= __copy_from_user (p->mtext, &up->mtext, second);
|
|
if (err)
|
|
goto out;
|
|
old_fs = get_fs ();
|
|
set_fs (KERNEL_DS);
|
|
err = sys_msgsnd (first, (struct msgbuf __user *)p, second, third);
|
|
set_fs (old_fs);
|
|
out:
|
|
kfree (p);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
do_sys32_msgrcv (int first, int second, int msgtyp, int third,
|
|
int version, void __user *uptr)
|
|
{
|
|
struct msgbuf32 __user *up;
|
|
struct msgbuf *p;
|
|
mm_segment_t old_fs;
|
|
int err;
|
|
|
|
if (!version) {
|
|
struct ipc_kludge32 __user *uipck = (struct ipc_kludge32 __user *)uptr;
|
|
struct ipc_kludge32 ipck;
|
|
|
|
err = -EINVAL;
|
|
if (!uptr)
|
|
goto out;
|
|
err = -EFAULT;
|
|
if (copy_from_user (&ipck, uipck, sizeof (struct ipc_kludge32)))
|
|
goto out;
|
|
uptr = (void __user *)AA(ipck.msgp);
|
|
msgtyp = ipck.msgtyp;
|
|
}
|
|
|
|
if (second < 0)
|
|
return -EINVAL;
|
|
err = -ENOMEM;
|
|
p = kmalloc (second + sizeof (struct msgbuf) + 4, GFP_USER);
|
|
if (!p)
|
|
goto out;
|
|
old_fs = get_fs ();
|
|
set_fs (KERNEL_DS);
|
|
err = sys_msgrcv (first, (struct msgbuf __user *)p, second + 4, msgtyp, third);
|
|
set_fs (old_fs);
|
|
if (err < 0)
|
|
goto free_then_out;
|
|
up = (struct msgbuf32 __user *)uptr;
|
|
if (put_user (p->mtype, &up->mtype) ||
|
|
__copy_to_user (&up->mtext, p->mtext, err))
|
|
err = -EFAULT;
|
|
free_then_out:
|
|
kfree (p);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
do_sys32_msgctl (int first, int second, void __user *uptr)
|
|
{
|
|
int err = -EINVAL, err2;
|
|
struct msqid64_ds m;
|
|
struct msqid_ds32 __user *up32 = (struct msqid_ds32 __user *)uptr;
|
|
struct msqid64_ds32 __user *up64 = (struct msqid64_ds32 __user *)uptr;
|
|
mm_segment_t old_fs;
|
|
|
|
switch (second & ~IPC_64) {
|
|
case IPC_INFO:
|
|
case IPC_RMID:
|
|
case MSG_INFO:
|
|
err = sys_msgctl (first, second, (struct msqid_ds __user *)uptr);
|
|
break;
|
|
|
|
case IPC_SET:
|
|
if (second & IPC_64) {
|
|
if (!access_ok(VERIFY_READ, up64, sizeof(*up64))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err = __get_user(m.msg_perm.uid, &up64->msg_perm.uid);
|
|
err |= __get_user(m.msg_perm.gid, &up64->msg_perm.gid);
|
|
err |= __get_user(m.msg_perm.mode, &up64->msg_perm.mode);
|
|
err |= __get_user(m.msg_qbytes, &up64->msg_qbytes);
|
|
} else {
|
|
if (!access_ok(VERIFY_READ, up32, sizeof(*up32))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err = __get_user(m.msg_perm.uid, &up32->msg_perm.uid);
|
|
err |= __get_user(m.msg_perm.gid, &up32->msg_perm.gid);
|
|
err |= __get_user(m.msg_perm.mode, &up32->msg_perm.mode);
|
|
err |= __get_user(m.msg_qbytes, &up32->msg_qbytes);
|
|
}
|
|
if (err)
|
|
break;
|
|
old_fs = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
|
|
set_fs(old_fs);
|
|
break;
|
|
|
|
case IPC_STAT:
|
|
case MSG_STAT:
|
|
old_fs = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
|
|
set_fs(old_fs);
|
|
if (second & IPC_64) {
|
|
if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err2 = __put_user(m.msg_perm.key, &up64->msg_perm.key);
|
|
err2 |= __put_user(m.msg_perm.uid, &up64->msg_perm.uid);
|
|
err2 |= __put_user(m.msg_perm.gid, &up64->msg_perm.gid);
|
|
err2 |= __put_user(m.msg_perm.cuid, &up64->msg_perm.cuid);
|
|
err2 |= __put_user(m.msg_perm.cgid, &up64->msg_perm.cgid);
|
|
err2 |= __put_user(m.msg_perm.mode, &up64->msg_perm.mode);
|
|
err2 |= __put_user(m.msg_perm.seq, &up64->msg_perm.seq);
|
|
err2 |= __put_user(m.msg_stime, &up64->msg_stime);
|
|
err2 |= __put_user(m.msg_rtime, &up64->msg_rtime);
|
|
err2 |= __put_user(m.msg_ctime, &up64->msg_ctime);
|
|
err2 |= __put_user(m.msg_cbytes, &up64->msg_cbytes);
|
|
err2 |= __put_user(m.msg_qnum, &up64->msg_qnum);
|
|
err2 |= __put_user(m.msg_qbytes, &up64->msg_qbytes);
|
|
err2 |= __put_user(m.msg_lspid, &up64->msg_lspid);
|
|
err2 |= __put_user(m.msg_lrpid, &up64->msg_lrpid);
|
|
if (err2)
|
|
err = -EFAULT;
|
|
} else {
|
|
if (!access_ok(VERIFY_WRITE, up32, sizeof(*up32))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err2 = __put_user(m.msg_perm.key, &up32->msg_perm.key);
|
|
err2 |= __put_user(m.msg_perm.uid, &up32->msg_perm.uid);
|
|
err2 |= __put_user(m.msg_perm.gid, &up32->msg_perm.gid);
|
|
err2 |= __put_user(m.msg_perm.cuid, &up32->msg_perm.cuid);
|
|
err2 |= __put_user(m.msg_perm.cgid, &up32->msg_perm.cgid);
|
|
err2 |= __put_user(m.msg_perm.mode, &up32->msg_perm.mode);
|
|
err2 |= __put_user(m.msg_perm.seq, &up32->msg_perm.seq);
|
|
err2 |= __put_user(m.msg_stime, &up32->msg_stime);
|
|
err2 |= __put_user(m.msg_rtime, &up32->msg_rtime);
|
|
err2 |= __put_user(m.msg_ctime, &up32->msg_ctime);
|
|
err2 |= __put_user(m.msg_cbytes, &up32->msg_cbytes);
|
|
err2 |= __put_user(m.msg_qnum, &up32->msg_qnum);
|
|
err2 |= __put_user(m.msg_qbytes, &up32->msg_qbytes);
|
|
err2 |= __put_user(m.msg_lspid, &up32->msg_lspid);
|
|
err2 |= __put_user(m.msg_lrpid, &up32->msg_lrpid);
|
|
if (err2)
|
|
err = -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
do_sys32_shmat (int first, int second, int third, int version, void __user *uptr)
|
|
{
|
|
unsigned long raddr;
|
|
u32 __user *uaddr = (u32 __user *)A((u32)third);
|
|
int err = -EINVAL;
|
|
|
|
if (version == 1)
|
|
return err;
|
|
err = do_shmat (first, uptr, second, &raddr);
|
|
if (err)
|
|
return err;
|
|
err = put_user (raddr, uaddr);
|
|
return err;
|
|
}
|
|
|
|
struct shm_info32 {
|
|
int used_ids;
|
|
u32 shm_tot, shm_rss, shm_swp;
|
|
u32 swap_attempts, swap_successes;
|
|
};
|
|
|
|
static int
|
|
do_sys32_shmctl (int first, int second, void __user *uptr)
|
|
{
|
|
struct shmid64_ds32 __user *up64 = (struct shmid64_ds32 __user *)uptr;
|
|
struct shmid_ds32 __user *up32 = (struct shmid_ds32 __user *)uptr;
|
|
struct shm_info32 __user *uip = (struct shm_info32 __user *)uptr;
|
|
int err = -EFAULT, err2;
|
|
struct shmid64_ds s64;
|
|
mm_segment_t old_fs;
|
|
struct shm_info si;
|
|
struct shmid_ds s;
|
|
|
|
switch (second & ~IPC_64) {
|
|
case IPC_INFO:
|
|
second = IPC_INFO; /* So that we don't have to translate it */
|
|
case IPC_RMID:
|
|
case SHM_LOCK:
|
|
case SHM_UNLOCK:
|
|
err = sys_shmctl(first, second, (struct shmid_ds __user *)uptr);
|
|
break;
|
|
case IPC_SET:
|
|
if (second & IPC_64) {
|
|
err = get_user(s.shm_perm.uid, &up64->shm_perm.uid);
|
|
err |= get_user(s.shm_perm.gid, &up64->shm_perm.gid);
|
|
err |= get_user(s.shm_perm.mode, &up64->shm_perm.mode);
|
|
} else {
|
|
err = get_user(s.shm_perm.uid, &up32->shm_perm.uid);
|
|
err |= get_user(s.shm_perm.gid, &up32->shm_perm.gid);
|
|
err |= get_user(s.shm_perm.mode, &up32->shm_perm.mode);
|
|
}
|
|
if (err)
|
|
break;
|
|
old_fs = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
err = sys_shmctl(first, second & ~IPC_64, (struct shmid_ds __user *)&s);
|
|
set_fs(old_fs);
|
|
break;
|
|
|
|
case IPC_STAT:
|
|
case SHM_STAT:
|
|
old_fs = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
err = sys_shmctl(first, second | IPC_64, (void __user *) &s64);
|
|
set_fs(old_fs);
|
|
if (err < 0)
|
|
break;
|
|
if (second & IPC_64) {
|
|
if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err2 = __put_user(s64.shm_perm.key, &up64->shm_perm.key);
|
|
err2 |= __put_user(s64.shm_perm.uid, &up64->shm_perm.uid);
|
|
err2 |= __put_user(s64.shm_perm.gid, &up64->shm_perm.gid);
|
|
err2 |= __put_user(s64.shm_perm.cuid, &up64->shm_perm.cuid);
|
|
err2 |= __put_user(s64.shm_perm.cgid, &up64->shm_perm.cgid);
|
|
err2 |= __put_user(s64.shm_perm.mode, &up64->shm_perm.mode);
|
|
err2 |= __put_user(s64.shm_perm.seq, &up64->shm_perm.seq);
|
|
err2 |= __put_user(s64.shm_atime, &up64->shm_atime);
|
|
err2 |= __put_user(s64.shm_dtime, &up64->shm_dtime);
|
|
err2 |= __put_user(s64.shm_ctime, &up64->shm_ctime);
|
|
err2 |= __put_user(s64.shm_segsz, &up64->shm_segsz);
|
|
err2 |= __put_user(s64.shm_nattch, &up64->shm_nattch);
|
|
err2 |= __put_user(s64.shm_cpid, &up64->shm_cpid);
|
|
err2 |= __put_user(s64.shm_lpid, &up64->shm_lpid);
|
|
} else {
|
|
if (!access_ok(VERIFY_WRITE, up32, sizeof(*up32))) {
|
|
err = -EFAULT;
|
|
break;
|
|
}
|
|
err2 = __put_user(s64.shm_perm.key, &up32->shm_perm.key);
|
|
err2 |= __put_user(s64.shm_perm.uid, &up32->shm_perm.uid);
|
|
err2 |= __put_user(s64.shm_perm.gid, &up32->shm_perm.gid);
|
|
err2 |= __put_user(s64.shm_perm.cuid, &up32->shm_perm.cuid);
|
|
err2 |= __put_user(s64.shm_perm.cgid, &up32->shm_perm.cgid);
|
|
err2 |= __put_user(s64.shm_perm.mode, &up32->shm_perm.mode);
|
|
err2 |= __put_user(s64.shm_perm.seq, &up32->shm_perm.seq);
|
|
err2 |= __put_user(s64.shm_atime, &up32->shm_atime);
|
|
err2 |= __put_user(s64.shm_dtime, &up32->shm_dtime);
|
|
err2 |= __put_user(s64.shm_ctime, &up32->shm_ctime);
|
|
err2 |= __put_user(s64.shm_segsz, &up32->shm_segsz);
|
|
err2 |= __put_user(s64.shm_nattch, &up32->shm_nattch);
|
|
err2 |= __put_user(s64.shm_cpid, &up32->shm_cpid);
|
|
err2 |= __put_user(s64.shm_lpid, &up32->shm_lpid);
|
|
}
|
|
if (err2)
|
|
err = -EFAULT;
|
|
break;
|
|
|
|
case SHM_INFO:
|
|
old_fs = get_fs();
|
|
set_fs(KERNEL_DS);
|
|
err = sys_shmctl(first, second, (void __user *)&si);
|
|
set_fs(old_fs);
|
|
if (err < 0)
|
|
break;
|
|
err2 = put_user(si.used_ids, &uip->used_ids);
|
|
err2 |= __put_user(si.shm_tot, &uip->shm_tot);
|
|
err2 |= __put_user(si.shm_rss, &uip->shm_rss);
|
|
err2 |= __put_user(si.shm_swp, &uip->shm_swp);
|
|
err2 |= __put_user(si.swap_attempts, &uip->swap_attempts);
|
|
err2 |= __put_user (si.swap_successes, &uip->swap_successes);
|
|
if (err2)
|
|
err = -EFAULT;
|
|
break;
|
|
|
|
default:
|
|
err = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems,
|
|
const struct compat_timespec __user *timeout32)
|
|
{
|
|
struct compat_timespec t32;
|
|
struct timespec __user *t64 = compat_alloc_user_space(sizeof(*t64));
|
|
|
|
if (copy_from_user(&t32, timeout32, sizeof(t32)))
|
|
return -EFAULT;
|
|
|
|
if (put_user(t32.tv_sec, &t64->tv_sec) ||
|
|
put_user(t32.tv_nsec, &t64->tv_nsec))
|
|
return -EFAULT;
|
|
|
|
return sys_semtimedop(semid, tsems, nsems, t64);
|
|
}
|
|
|
|
asmlinkage long
|
|
sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
|
|
{
|
|
int version, err;
|
|
|
|
version = call >> 16; /* hack for backward compatibility */
|
|
call &= 0xffff;
|
|
|
|
switch (call) {
|
|
case SEMOP:
|
|
/* struct sembuf is the same on 32 and 64bit :)) */
|
|
err = sys_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
|
|
NULL);
|
|
break;
|
|
case SEMTIMEDOP:
|
|
err = sys32_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
|
|
(const struct compat_timespec __user *)AA(fifth));
|
|
break;
|
|
case SEMGET:
|
|
err = sys_semget (first, second, third);
|
|
break;
|
|
case SEMCTL:
|
|
err = do_sys32_semctl (first, second, third,
|
|
(void __user *)AA(ptr));
|
|
break;
|
|
|
|
case MSGSND:
|
|
err = do_sys32_msgsnd (first, second, third,
|
|
(void __user *)AA(ptr));
|
|
break;
|
|
case MSGRCV:
|
|
err = do_sys32_msgrcv (first, second, fifth, third,
|
|
version, (void __user *)AA(ptr));
|
|
break;
|
|
case MSGGET:
|
|
err = sys_msgget ((key_t) first, second);
|
|
break;
|
|
case MSGCTL:
|
|
err = do_sys32_msgctl (first, second, (void __user *)AA(ptr));
|
|
break;
|
|
|
|
case SHMAT:
|
|
err = do_sys32_shmat (first, second, third,
|
|
version, (void __user *)AA(ptr));
|
|
break;
|
|
case SHMDT:
|
|
err = sys_shmdt ((char __user *)A(ptr));
|
|
break;
|
|
case SHMGET:
|
|
err = sys_shmget (first, (unsigned)second, third);
|
|
break;
|
|
case SHMCTL:
|
|
err = do_sys32_shmctl (first, second, (void __user *)AA(ptr));
|
|
break;
|
|
default:
|
|
err = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
asmlinkage long sys32_shmat(int shmid, char __user *shmaddr,
|
|
int shmflg, int32_t __user *addr)
|
|
{
|
|
unsigned long raddr;
|
|
int err;
|
|
|
|
err = do_shmat(shmid, shmaddr, shmflg, &raddr);
|
|
if (err)
|
|
return err;
|
|
|
|
return put_user(raddr, addr);
|
|
}
|
|
|
|
struct sysctl_args32
|
|
{
|
|
compat_caddr_t name;
|
|
int nlen;
|
|
compat_caddr_t oldval;
|
|
compat_caddr_t oldlenp;
|
|
compat_caddr_t newval;
|
|
compat_size_t newlen;
|
|
unsigned int __unused[4];
|
|
};
|
|
|
|
#ifdef CONFIG_SYSCTL_SYSCALL
|
|
|
|
asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
|
|
{
|
|
struct sysctl_args32 tmp;
|
|
int error;
|
|
size_t oldlen;
|
|
size_t __user *oldlenp = NULL;
|
|
unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
|
|
|
|
if (copy_from_user(&tmp, args, sizeof(tmp)))
|
|
return -EFAULT;
|
|
|
|
if (tmp.oldval && tmp.oldlenp) {
|
|
/* Duh, this is ugly and might not work if sysctl_args
|
|
is in read-only memory, but do_sysctl does indirectly
|
|
a lot of uaccess in both directions and we'd have to
|
|
basically copy the whole sysctl.c here, and
|
|
glibc's __sysctl uses rw memory for the structure
|
|
anyway. */
|
|
if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) ||
|
|
put_user(oldlen, (size_t __user *)addr))
|
|
return -EFAULT;
|
|
oldlenp = (size_t __user *)addr;
|
|
}
|
|
|
|
lock_kernel();
|
|
error = do_sysctl((int __user *)A(tmp.name), tmp.nlen, (void __user *)A(tmp.oldval),
|
|
oldlenp, (void __user *)A(tmp.newval), tmp.newlen);
|
|
unlock_kernel();
|
|
if (oldlenp) {
|
|
if (!error) {
|
|
if (get_user(oldlen, (size_t __user *)addr) ||
|
|
put_user(oldlen, (u32 __user *)A(tmp.oldlenp)))
|
|
error = -EFAULT;
|
|
}
|
|
copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
|
|
}
|
|
return error;
|
|
}
|
|
|
|
#endif /* CONFIG_SYSCTL_SYSCALL */
|
|
|
|
asmlinkage long sys32_newuname(struct new_utsname __user * name)
|
|
{
|
|
int ret = 0;
|
|
|
|
down_read(&uts_sem);
|
|
if (copy_to_user(name, utsname(), sizeof *name))
|
|
ret = -EFAULT;
|
|
up_read(&uts_sem);
|
|
|
|
if (current->personality == PER_LINUX32 && !ret)
|
|
if (copy_to_user(name->machine, "mips\0\0\0", 8))
|
|
ret = -EFAULT;
|
|
|
|
return ret;
|
|
}
|
|
|
|
asmlinkage int sys32_personality(unsigned long personality)
|
|
{
|
|
int ret;
|
|
if (current->personality == PER_LINUX32 && personality == PER_LINUX)
|
|
personality = PER_LINUX32;
|
|
ret = sys_personality(personality);
|
|
if (ret == PER_LINUX32)
|
|
ret = PER_LINUX;
|
|
return ret;
|
|
}
|
|
|
|
/* ustat compatibility */
|
|
struct ustat32 {
|
|
compat_daddr_t f_tfree;
|
|
compat_ino_t f_tinode;
|
|
char f_fname[6];
|
|
char f_fpack[6];
|
|
};
|
|
|
|
extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf);
|
|
|
|
asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32)
|
|
{
|
|
int err;
|
|
struct ustat tmp;
|
|
struct ustat32 tmp32;
|
|
mm_segment_t old_fs = get_fs();
|
|
|
|
set_fs(KERNEL_DS);
|
|
err = sys_ustat(dev, (struct ustat __user *)&tmp);
|
|
set_fs (old_fs);
|
|
|
|
if (err)
|
|
goto out;
|
|
|
|
memset(&tmp32,0,sizeof(struct ustat32));
|
|
tmp32.f_tfree = tmp.f_tfree;
|
|
tmp32.f_tinode = tmp.f_tinode;
|
|
|
|
err = copy_to_user(ubuf32,&tmp32,sizeof(struct ustat32)) ? -EFAULT : 0;
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
|
|
s32 count)
|
|
{
|
|
mm_segment_t old_fs = get_fs();
|
|
int ret;
|
|
off_t of;
|
|
|
|
if (offset && get_user(of, offset))
|
|
return -EFAULT;
|
|
|
|
set_fs(KERNEL_DS);
|
|
ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL, count);
|
|
set_fs(old_fs);
|
|
|
|
if (offset && put_user(of, offset))
|
|
return -EFAULT;
|
|
|
|
return ret;
|
|
}
|
|
|
|
asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3,
|
|
size_t count)
|
|
{
|
|
return sys_readahead(fd, merge_64(a2, a3), count);
|
|
}
|
|
|
|
asmlinkage long sys32_sync_file_range(int fd, int __pad,
|
|
unsigned long a2, unsigned long a3,
|
|
unsigned long a4, unsigned long a5,
|
|
int flags)
|
|
{
|
|
return sys_sync_file_range(fd,
|
|
merge_64(a2, a3), merge_64(a4, a5),
|
|
flags);
|
|
}
|
|
|
|
/* Argument list sizes for sys_socketcall */
|
|
#define AL(x) ((x) * sizeof(unsigned int))
|
|
static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
|
|
AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
|
|
AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)};
|
|
#undef AL
|
|
|
|
/*
|
|
* System call vectors.
|
|
*
|
|
* Argument checking cleaned up. Saved 20% in size.
|
|
* This function doesn't need to set the kernel lock because
|
|
* it is set by the callees.
|
|
*/
|
|
|
|
asmlinkage long sys32_socketcall(int call, unsigned int __user *args32)
|
|
{
|
|
unsigned int a[6];
|
|
unsigned int a0,a1;
|
|
int err;
|
|
|
|
extern asmlinkage long sys_socket(int family, int type, int protocol);
|
|
extern asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen);
|
|
extern asmlinkage long sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen);
|
|
extern asmlinkage long sys_listen(int fd, int backlog);
|
|
extern asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen);
|
|
extern asmlinkage long sys_getsockname(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len);
|
|
extern asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len);
|
|
extern asmlinkage long sys_socketpair(int family, int type, int protocol, int __user *usockvec);
|
|
extern asmlinkage long sys_send(int fd, void __user * buff, size_t len, unsigned flags);
|
|
extern asmlinkage long sys_sendto(int fd, void __user * buff, size_t len, unsigned flags,
|
|
struct sockaddr __user *addr, int addr_len);
|
|
extern asmlinkage long sys_recv(int fd, void __user * ubuf, size_t size, unsigned flags);
|
|
extern asmlinkage long sys_recvfrom(int fd, void __user * ubuf, size_t size, unsigned flags,
|
|
struct sockaddr __user *addr, int __user *addr_len);
|
|
extern asmlinkage long sys_shutdown(int fd, int how);
|
|
extern asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen);
|
|
extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen);
|
|
extern asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
|
|
extern asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flags);
|
|
|
|
|
|
if(call<1||call>SYS_RECVMSG)
|
|
return -EINVAL;
|
|
|
|
/* copy_from_user should be SMP safe. */
|
|
if (copy_from_user(a, args32, socketcall_nargs[call]))
|
|
return -EFAULT;
|
|
|
|
a0=a[0];
|
|
a1=a[1];
|
|
|
|
switch(call)
|
|
{
|
|
case SYS_SOCKET:
|
|
err = sys_socket(a0,a1,a[2]);
|
|
break;
|
|
case SYS_BIND:
|
|
err = sys_bind(a0,(struct sockaddr __user *)A(a1), a[2]);
|
|
break;
|
|
case SYS_CONNECT:
|
|
err = sys_connect(a0, (struct sockaddr __user *)A(a1), a[2]);
|
|
break;
|
|
case SYS_LISTEN:
|
|
err = sys_listen(a0,a1);
|
|
break;
|
|
case SYS_ACCEPT:
|
|
err = sys_accept(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2]));
|
|
break;
|
|
case SYS_GETSOCKNAME:
|
|
err = sys_getsockname(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2]));
|
|
break;
|
|
case SYS_GETPEERNAME:
|
|
err = sys_getpeername(a0, (struct sockaddr __user *)A(a1), (int __user *)A(a[2]));
|
|
break;
|
|
case SYS_SOCKETPAIR:
|
|
err = sys_socketpair(a0,a1, a[2], (int __user *)A(a[3]));
|
|
break;
|
|
case SYS_SEND:
|
|
err = sys_send(a0, (void __user *)A(a1), a[2], a[3]);
|
|
break;
|
|
case SYS_SENDTO:
|
|
err = sys_sendto(a0,(void __user *)A(a1), a[2], a[3],
|
|
(struct sockaddr __user *)A(a[4]), a[5]);
|
|
break;
|
|
case SYS_RECV:
|
|
err = sys_recv(a0, (void __user *)A(a1), a[2], a[3]);
|
|
break;
|
|
case SYS_RECVFROM:
|
|
err = sys_recvfrom(a0, (void __user *)A(a1), a[2], a[3],
|
|
(struct sockaddr __user *)A(a[4]), (int __user *)A(a[5]));
|
|
break;
|
|
case SYS_SHUTDOWN:
|
|
err = sys_shutdown(a0,a1);
|
|
break;
|
|
case SYS_SETSOCKOPT:
|
|
err = sys_setsockopt(a0, a1, a[2], (char __user *)A(a[3]), a[4]);
|
|
break;
|
|
case SYS_GETSOCKOPT:
|
|
err = sys_getsockopt(a0, a1, a[2], (char __user *)A(a[3]), (int __user *)A(a[4]));
|
|
break;
|
|
case SYS_SENDMSG:
|
|
err = sys_sendmsg(a0, (struct msghdr __user *) A(a1), a[2]);
|
|
break;
|
|
case SYS_RECVMSG:
|
|
err = sys_recvmsg(a0, (struct msghdr __user *) A(a1), a[2]);
|
|
break;
|
|
default:
|
|
err = -EINVAL;
|
|
break;
|
|
}
|
|
return err;
|
|
}
|
|
|
|
struct sigevent32 {
|
|
u32 sigev_value;
|
|
u32 sigev_signo;
|
|
u32 sigev_notify;
|
|
u32 payload[(64 / 4) - 3];
|
|
};
|
|
|
|
extern asmlinkage long
|
|
sys_timer_create(clockid_t which_clock,
|
|
struct sigevent __user *timer_event_spec,
|
|
timer_t __user * created_timer_id);
|
|
|
|
long
|
|
sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id)
|
|
{
|
|
struct sigevent __user *p = NULL;
|
|
if (se32) {
|
|
struct sigevent se;
|
|
p = compat_alloc_user_space(sizeof(struct sigevent));
|
|
memset(&se, 0, sizeof(struct sigevent));
|
|
if (get_user(se.sigev_value.sival_int, &se32->sigev_value) ||
|
|
__get_user(se.sigev_signo, &se32->sigev_signo) ||
|
|
__get_user(se.sigev_notify, &se32->sigev_notify) ||
|
|
__copy_from_user(&se._sigev_un._pad, &se32->payload,
|
|
sizeof(se32->payload)) ||
|
|
copy_to_user(p, &se, sizeof(se)))
|
|
return -EFAULT;
|
|
}
|
|
return sys_timer_create(clock, p, timer_id);
|
|
}
|
|
|
|
save_static_function(sys32_clone);
|
|
__attribute_used__ noinline static int
|
|
_sys32_clone(nabi_no_regargs struct pt_regs regs)
|
|
{
|
|
unsigned long clone_flags;
|
|
unsigned long newsp;
|
|
int __user *parent_tidptr, *child_tidptr;
|
|
|
|
clone_flags = regs.regs[4];
|
|
newsp = regs.regs[5];
|
|
if (!newsp)
|
|
newsp = regs.regs[29];
|
|
parent_tidptr = (int __user *) regs.regs[6];
|
|
|
|
/* Use __dummy4 instead of getting it off the stack, so that
|
|
syscall() works. */
|
|
child_tidptr = (int __user *) __dummy4;
|
|
return do_fork(clone_flags, newsp, ®s, 0,
|
|
parent_tidptr, child_tidptr);
|
|
}
|
|
|