| /* |
| * ioctl32.c: Conversion between 32bit and 64bit native ioctls. |
| * |
| * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) |
| * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) |
| * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs |
| * Copyright (C) 2003 Pavel Machek (pavel@suse.cz) |
| * |
| * These routines maintain argument size conversion between 32bit and 64bit |
| * ioctls. |
| */ |
| |
| #ifdef INCLUDES |
| #include <linux/config.h> |
| #include <linux/types.h> |
| #include <linux/compat.h> |
| #include <linux/kernel.h> |
| #include <linux/compiler.h> |
| #include <linux/sched.h> |
| #include <linux/smp.h> |
| #include <linux/smp_lock.h> |
| #include <linux/ioctl.h> |
| #include <linux/if.h> |
| #include <linux/if_bridge.h> |
| #include <linux/slab.h> |
| #include <linux/hdreg.h> |
| #include <linux/raid/md.h> |
| #include <linux/kd.h> |
| #include <linux/dirent.h> |
| #include <linux/route.h> |
| #include <linux/in6.h> |
| #include <linux/ipv6_route.h> |
| #include <linux/skbuff.h> |
| #include <linux/netlink.h> |
| #include <linux/vt.h> |
| #include <linux/fs.h> |
| #include <linux/file.h> |
| #include <linux/fd.h> |
| #include <linux/ppp_defs.h> |
| #include <linux/if_ppp.h> |
| #include <linux/if_pppox.h> |
| #include <linux/mtio.h> |
| #include <linux/cdrom.h> |
| #include <linux/loop.h> |
| #include <linux/auto_fs.h> |
| #include <linux/auto_fs4.h> |
| #include <linux/devfs_fs.h> |
| #include <linux/tty.h> |
| #include <linux/vt_kern.h> |
| #include <linux/fb.h> |
| #include <linux/ext2_fs.h> |
| #include <linux/videodev.h> |
| #include <linux/netdevice.h> |
| #include <linux/raw.h> |
| #include <linux/smb_fs.h> |
| #include <linux/blkpg.h> |
| #include <linux/blkdev.h> |
| #include <linux/elevator.h> |
| #include <linux/rtc.h> |
| #include <linux/pci.h> |
| #include <linux/module.h> |
| #include <linux/serial.h> |
| #include <linux/reiserfs_fs.h> |
| #include <linux/if_tun.h> |
| #include <linux/ctype.h> |
| #include <linux/ioctl32.h> |
| #include <linux/syscalls.h> |
| #include <linux/ncp_fs.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c-dev.h> |
| #include <linux/wireless.h> |
| #include <linux/atalk.h> |
| |
| #include <net/sock.h> /* siocdevprivate_ioctl */ |
| #include <net/bluetooth/bluetooth.h> |
| #include <net/bluetooth/hci.h> |
| #include <net/bluetooth/rfcomm.h> |
| |
| #include <linux/capi.h> |
| |
| #include <scsi/scsi.h> |
| /* Ugly hack. */ |
| #undef __KERNEL__ |
| #include <scsi/scsi_ioctl.h> |
| #define __KERNEL__ |
| #include <scsi/sg.h> |
| |
| #include <asm/types.h> |
| #include <asm/uaccess.h> |
| #include <linux/ethtool.h> |
| #include <linux/mii.h> |
| #include <linux/if_bonding.h> |
| #include <linux/watchdog.h> |
| #include <linux/dm-ioctl.h> |
| |
| #include <asm/module.h> |
| #include <linux/soundcard.h> |
| #include <linux/lp.h> |
| #include <linux/ppdev.h> |
| |
| #include <linux/atm.h> |
| #include <linux/atmarp.h> |
| #include <linux/atmclip.h> |
| #include <linux/atmdev.h> |
| #include <linux/atmioc.h> |
| #include <linux/atmlec.h> |
| #include <linux/atmmpc.h> |
| #include <linux/atmsvc.h> |
| #include <linux/atm_tcp.h> |
| #include <linux/sonet.h> |
| #include <linux/atm_suni.h> |
| #include <linux/mtd/mtd.h> |
| |
| #include <linux/usb.h> |
| #include <linux/usbdevice_fs.h> |
| #include <linux/nbd.h> |
| #include <linux/random.h> |
| #include <linux/filter.h> |
| #include <linux/msdos_fs.h> |
| #include <linux/pktcdvd.h> |
| |
| #include <linux/hiddev.h> |
| |
| #undef INCLUDES |
| #endif |
| |
| #ifdef CODE |
| |
| /* Aiee. Someone does not find a difference between int and long */ |
| #define EXT2_IOC32_GETFLAGS _IOR('f', 1, int) |
| #define EXT2_IOC32_SETFLAGS _IOW('f', 2, int) |
| #define EXT2_IOC32_GETVERSION _IOR('v', 1, int) |
| #define EXT2_IOC32_SETVERSION _IOW('v', 2, int) |
| |
| static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| int err; |
| unsigned long val; |
| |
| set_fs (KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long)&val); |
| set_fs (old_fs); |
| if (!err && put_user(val, (u32 __user *)compat_ptr(arg))) |
| return -EFAULT; |
| return err; |
| } |
| |
| static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| u32 __user *argptr = compat_ptr(arg); |
| int err; |
| unsigned long val; |
| |
| if(get_user(val, argptr)) |
| return -EFAULT; |
| set_fs (KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long)&val); |
| set_fs (old_fs); |
| if (!err && put_user(val, argptr)) |
| return -EFAULT; |
| return err; |
| } |
| |
| static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| /* These are just misnamed, they actually get/put from/to user an int */ |
| switch (cmd) { |
| case EXT2_IOC32_GETFLAGS: cmd = EXT2_IOC_GETFLAGS; break; |
| case EXT2_IOC32_SETFLAGS: cmd = EXT2_IOC_SETFLAGS; break; |
| case EXT2_IOC32_GETVERSION: cmd = EXT2_IOC_GETVERSION; break; |
| case EXT2_IOC32_SETVERSION: cmd = EXT2_IOC_SETVERSION; break; |
| } |
| return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg)); |
| } |
| |
| struct video_tuner32 { |
| compat_int_t tuner; |
| char name[32]; |
| compat_ulong_t rangelow, rangehigh; |
| u32 flags; /* It is really u32 in videodev.h */ |
| u16 mode, signal; |
| }; |
| |
| static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) |
| { |
| int i; |
| |
| if(get_user(kp->tuner, &up->tuner)) |
| return -EFAULT; |
| for(i = 0; i < 32; i++) |
| __get_user(kp->name[i], &up->name[i]); |
| __get_user(kp->rangelow, &up->rangelow); |
| __get_user(kp->rangehigh, &up->rangehigh); |
| __get_user(kp->flags, &up->flags); |
| __get_user(kp->mode, &up->mode); |
| __get_user(kp->signal, &up->signal); |
| return 0; |
| } |
| |
| static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) |
| { |
| int i; |
| |
| if(put_user(kp->tuner, &up->tuner)) |
| return -EFAULT; |
| for(i = 0; i < 32; i++) |
| __put_user(kp->name[i], &up->name[i]); |
| __put_user(kp->rangelow, &up->rangelow); |
| __put_user(kp->rangehigh, &up->rangehigh); |
| __put_user(kp->flags, &up->flags); |
| __put_user(kp->mode, &up->mode); |
| __put_user(kp->signal, &up->signal); |
| return 0; |
| } |
| |
| struct video_buffer32 { |
| compat_caddr_t base; |
| compat_int_t height, width, depth, bytesperline; |
| }; |
| |
| static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) |
| { |
| u32 tmp; |
| |
| if (get_user(tmp, &up->base)) |
| return -EFAULT; |
| |
| /* This is actually a physical address stored |
| * as a void pointer. |
| */ |
| kp->base = (void *)(unsigned long) tmp; |
| |
| __get_user(kp->height, &up->height); |
| __get_user(kp->width, &up->width); |
| __get_user(kp->depth, &up->depth); |
| __get_user(kp->bytesperline, &up->bytesperline); |
| return 0; |
| } |
| |
| static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) |
| { |
| u32 tmp = (u32)((unsigned long)kp->base); |
| |
| if(put_user(tmp, &up->base)) |
| return -EFAULT; |
| __put_user(kp->height, &up->height); |
| __put_user(kp->width, &up->width); |
| __put_user(kp->depth, &up->depth); |
| __put_user(kp->bytesperline, &up->bytesperline); |
| return 0; |
| } |
| |
| struct video_clip32 { |
| s32 x, y, width, height; /* Its really s32 in videodev.h */ |
| compat_caddr_t next; |
| }; |
| |
| struct video_window32 { |
| u32 x, y, width, height, chromakey, flags; |
| compat_caddr_t clips; |
| compat_int_t clipcount; |
| }; |
| |
| /* You get back everything except the clips... */ |
| static int put_video_window32(struct video_window *kp, struct video_window32 __user *up) |
| { |
| if(put_user(kp->x, &up->x)) |
| return -EFAULT; |
| __put_user(kp->y, &up->y); |
| __put_user(kp->width, &up->width); |
| __put_user(kp->height, &up->height); |
| __put_user(kp->chromakey, &up->chromakey); |
| __put_user(kp->flags, &up->flags); |
| __put_user(kp->clipcount, &up->clipcount); |
| return 0; |
| } |
| |
| #define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32) |
| #define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32) |
| #define VIDIOCGWIN32 _IOR('v',9, struct video_window32) |
| #define VIDIOCSWIN32 _IOW('v',10, struct video_window32) |
| #define VIDIOCGFBUF32 _IOR('v',11, struct video_buffer32) |
| #define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32) |
| #define VIDIOCGFREQ32 _IOR('v',14, u32) |
| #define VIDIOCSFREQ32 _IOW('v',15, u32) |
| |
| enum { |
| MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip) |
| }; |
| |
| static int do_set_window(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct video_window32 __user *up = compat_ptr(arg); |
| struct video_window __user *vw; |
| struct video_clip __user *p; |
| int nclips; |
| u32 n; |
| |
| if (get_user(nclips, &up->clipcount)) |
| return -EFAULT; |
| |
| /* Peculiar interface... */ |
| if (nclips < 0) |
| nclips = VIDEO_CLIPMAP_SIZE; |
| |
| if (nclips > MaxClips) |
| return -ENOMEM; |
| |
| vw = compat_alloc_user_space(sizeof(struct video_window) + |
| nclips * sizeof(struct video_clip)); |
| |
| p = nclips ? (struct video_clip __user *)(vw + 1) : NULL; |
| |
| if (get_user(n, &up->x) || put_user(n, &vw->x) || |
| get_user(n, &up->y) || put_user(n, &vw->y) || |
| get_user(n, &up->width) || put_user(n, &vw->width) || |
| get_user(n, &up->height) || put_user(n, &vw->height) || |
| get_user(n, &up->chromakey) || put_user(n, &vw->chromakey) || |
| get_user(n, &up->flags) || put_user(n, &vw->flags) || |
| get_user(n, &up->clipcount) || put_user(n, &vw->clipcount) || |
| get_user(n, &up->clips) || put_user(p, &vw->clips)) |
| return -EFAULT; |
| |
| if (nclips) { |
| struct video_clip32 __user *u = compat_ptr(n); |
| int i; |
| if (!u) |
| return -EINVAL; |
| for (i = 0; i < nclips; i++, u++, p++) { |
| s32 v; |
| if (get_user(v, &u->x) || |
| put_user(v, &p->x) || |
| get_user(v, &u->y) || |
| put_user(v, &p->y) || |
| get_user(v, &u->width) || |
| put_user(v, &p->width) || |
| get_user(v, &u->height) || |
| put_user(v, &p->height) || |
| put_user(NULL, &p->next)) |
| return -EFAULT; |
| } |
| } |
| |
| return sys_ioctl(fd, VIDIOCSWIN, (unsigned long)p); |
| } |
| |
| static int do_video_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| union { |
| struct video_tuner vt; |
| struct video_buffer vb; |
| struct video_window vw; |
| unsigned long vx; |
| } karg; |
| mm_segment_t old_fs = get_fs(); |
| void __user *up = compat_ptr(arg); |
| int err = 0; |
| |
| /* First, convert the command. */ |
| switch(cmd) { |
| case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break; |
| case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break; |
| case VIDIOCGWIN32: cmd = VIDIOCGWIN; break; |
| case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break; |
| case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break; |
| case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break; |
| case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break; |
| }; |
| |
| switch(cmd) { |
| case VIDIOCSTUNER: |
| case VIDIOCGTUNER: |
| err = get_video_tuner32(&karg.vt, up); |
| break; |
| |
| case VIDIOCSFBUF: |
| err = get_video_buffer32(&karg.vb, up); |
| break; |
| |
| case VIDIOCSFREQ: |
| err = get_user(karg.vx, (u32 __user *)up); |
| break; |
| }; |
| if(err) |
| goto out; |
| |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long)&karg); |
| set_fs(old_fs); |
| |
| if(err == 0) { |
| switch(cmd) { |
| case VIDIOCGTUNER: |
| err = put_video_tuner32(&karg.vt, up); |
| break; |
| |
| case VIDIOCGWIN: |
| err = put_video_window32(&karg.vw, up); |
| break; |
| |
| case VIDIOCGFBUF: |
| err = put_video_buffer32(&karg.vb, up); |
| break; |
| |
| case VIDIOCGFREQ: |
| err = put_user(((u32)karg.vx), (u32 __user *)up); |
| break; |
| }; |
| } |
| out: |
| return err; |
| } |
| |
| #ifdef CONFIG_NET |
| static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct compat_timeval __user *up = compat_ptr(arg); |
| struct timeval ktv; |
| mm_segment_t old_fs = get_fs(); |
| int err; |
| |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long)&ktv); |
| set_fs(old_fs); |
| if(!err) { |
| err = put_user(ktv.tv_sec, &up->tv_sec); |
| err |= __put_user(ktv.tv_usec, &up->tv_usec); |
| } |
| return err; |
| } |
| |
| struct ifmap32 { |
| compat_ulong_t mem_start; |
| compat_ulong_t mem_end; |
| unsigned short base_addr; |
| unsigned char irq; |
| unsigned char dma; |
| unsigned char port; |
| }; |
| |
| struct ifreq32 { |
| #define IFHWADDRLEN 6 |
| #define IFNAMSIZ 16 |
| union { |
| char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ |
| } ifr_ifrn; |
| union { |
| struct sockaddr ifru_addr; |
| struct sockaddr ifru_dstaddr; |
| struct sockaddr ifru_broadaddr; |
| struct sockaddr ifru_netmask; |
| struct sockaddr ifru_hwaddr; |
| short ifru_flags; |
| compat_int_t ifru_ivalue; |
| compat_int_t ifru_mtu; |
| struct ifmap32 ifru_map; |
| char ifru_slave[IFNAMSIZ]; /* Just fits the size */ |
| char ifru_newname[IFNAMSIZ]; |
| compat_caddr_t ifru_data; |
| /* XXXX? ifru_settings should be here */ |
| } ifr_ifru; |
| }; |
| |
| struct ifconf32 { |
| compat_int_t ifc_len; /* size of buffer */ |
| compat_caddr_t ifcbuf; |
| }; |
| |
| static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct net_device *dev; |
| struct ifreq32 ifr32; |
| int err; |
| |
| if (copy_from_user(&ifr32, compat_ptr(arg), sizeof(ifr32))) |
| return -EFAULT; |
| |
| dev = dev_get_by_index(ifr32.ifr_ifindex); |
| if (!dev) |
| return -ENODEV; |
| |
| strlcpy(ifr32.ifr_name, dev->name, sizeof(ifr32.ifr_name)); |
| dev_put(dev); |
| |
| err = copy_to_user(compat_ptr(arg), &ifr32, sizeof(ifr32)); |
| return (err ? -EFAULT : 0); |
| } |
| |
| static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ifconf32 ifc32; |
| struct ifconf ifc; |
| struct ifconf __user *uifc; |
| struct ifreq32 __user *ifr32; |
| struct ifreq __user *ifr; |
| unsigned int i, j; |
| int err; |
| |
| if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32))) |
| return -EFAULT; |
| |
| if (ifc32.ifcbuf == 0) { |
| ifc32.ifc_len = 0; |
| ifc.ifc_len = 0; |
| ifc.ifc_req = NULL; |
| uifc = compat_alloc_user_space(sizeof(struct ifconf)); |
| } else { |
| size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) * |
| sizeof (struct ifreq); |
| uifc = compat_alloc_user_space(sizeof(struct ifconf) + len); |
| ifc.ifc_len = len; |
| ifr = ifc.ifc_req = (void __user *)(uifc + 1); |
| ifr32 = compat_ptr(ifc32.ifcbuf); |
| for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) { |
| if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32))) |
| return -EFAULT; |
| ifr++; |
| ifr32++; |
| } |
| } |
| if (copy_to_user(uifc, &ifc, sizeof(struct ifconf))) |
| return -EFAULT; |
| |
| err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc); |
| if (err) |
| return err; |
| |
| if (copy_from_user(&ifc, uifc, sizeof(struct ifconf))) |
| return -EFAULT; |
| |
| ifr = ifc.ifc_req; |
| ifr32 = compat_ptr(ifc32.ifcbuf); |
| for (i = 0, j = 0; i < ifc32.ifc_len && j < ifc.ifc_len; |
| i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) { |
| if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32))) |
| return -EFAULT; |
| ifr32++; |
| ifr++; |
| } |
| |
| if (ifc32.ifcbuf == 0) { |
| /* Translate from 64-bit structure multiple to |
| * a 32-bit one. |
| */ |
| i = ifc.ifc_len; |
| i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32)); |
| ifc32.ifc_len = i; |
| } else { |
| if (i <= ifc32.ifc_len) |
| ifc32.ifc_len = i; |
| else |
| ifc32.ifc_len = i - sizeof (struct ifreq32); |
| } |
| if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32))) |
| return -EFAULT; |
| |
| return 0; |
| } |
| |
| static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ifreq __user *ifr; |
| struct ifreq32 __user *ifr32; |
| u32 data; |
| void __user *datap; |
| |
| ifr = compat_alloc_user_space(sizeof(*ifr)); |
| ifr32 = compat_ptr(arg); |
| |
| if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) |
| return -EFAULT; |
| |
| if (get_user(data, &ifr32->ifr_ifru.ifru_data)) |
| return -EFAULT; |
| |
| datap = compat_ptr(data); |
| if (put_user(datap, &ifr->ifr_ifru.ifru_data)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, cmd, (unsigned long) ifr); |
| } |
| |
| static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ifreq kifr; |
| struct ifreq __user *uifr; |
| struct ifreq32 __user *ifr32 = compat_ptr(arg); |
| mm_segment_t old_fs; |
| int err; |
| u32 data; |
| void __user *datap; |
| |
| switch (cmd) { |
| case SIOCBONDENSLAVE: |
| case SIOCBONDRELEASE: |
| case SIOCBONDSETHWADDR: |
| case SIOCBONDCHANGEACTIVE: |
| if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32))) |
| return -EFAULT; |
| |
| old_fs = get_fs(); |
| set_fs (KERNEL_DS); |
| err = sys_ioctl (fd, cmd, (unsigned long)&kifr); |
| set_fs (old_fs); |
| |
| return err; |
| case SIOCBONDSLAVEINFOQUERY: |
| case SIOCBONDINFOQUERY: |
| uifr = compat_alloc_user_space(sizeof(*uifr)); |
| if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) |
| return -EFAULT; |
| |
| if (get_user(data, &ifr32->ifr_ifru.ifru_data)) |
| return -EFAULT; |
| |
| datap = compat_ptr(data); |
| if (put_user(datap, &uifr->ifr_ifru.ifru_data)) |
| return -EFAULT; |
| |
| return sys_ioctl (fd, cmd, (unsigned long)uifr); |
| default: |
| return -EINVAL; |
| }; |
| } |
| |
| int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ifreq __user *u_ifreq64; |
| struct ifreq32 __user *u_ifreq32 = compat_ptr(arg); |
| char tmp_buf[IFNAMSIZ]; |
| void __user *data64; |
| u32 data32; |
| |
| if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]), |
| IFNAMSIZ)) |
| return -EFAULT; |
| if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data)) |
| return -EFAULT; |
| data64 = compat_ptr(data32); |
| |
| u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64)); |
| |
| /* Don't check these user accesses, just let that get trapped |
| * in the ioctl handler instead. |
| */ |
| if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0], |
| IFNAMSIZ)) |
| return -EFAULT; |
| if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64); |
| } |
| |
| static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ifreq ifr; |
| struct ifreq32 __user *uifr32; |
| struct ifmap32 __user *uifmap32; |
| mm_segment_t old_fs; |
| int err; |
| |
| uifr32 = compat_ptr(arg); |
| uifmap32 = &uifr32->ifr_ifru.ifru_map; |
| switch (cmd) { |
| case SIOCSIFMAP: |
| err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name)); |
| err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start); |
| err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end); |
| err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr); |
| err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq); |
| err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma); |
| err |= __get_user(ifr.ifr_map.port, &uifmap32->port); |
| if (err) |
| return -EFAULT; |
| break; |
| default: |
| if (copy_from_user(&ifr, uifr32, sizeof(*uifr32))) |
| return -EFAULT; |
| break; |
| } |
| old_fs = get_fs(); |
| set_fs (KERNEL_DS); |
| err = sys_ioctl (fd, cmd, (unsigned long)&ifr); |
| set_fs (old_fs); |
| if (!err) { |
| switch (cmd) { |
| /* TUNSETIFF is defined as _IOW, it should be _IORW |
| * as the data is copied back to user space, but that |
| * cannot be fixed without breaking all existing apps. |
| */ |
| case TUNSETIFF: |
| case SIOCGIFFLAGS: |
| case SIOCGIFMETRIC: |
| case SIOCGIFMTU: |
| case SIOCGIFMEM: |
| case SIOCGIFHWADDR: |
| case SIOCGIFINDEX: |
| case SIOCGIFADDR: |
| case SIOCGIFBRDADDR: |
| case SIOCGIFDSTADDR: |
| case SIOCGIFNETMASK: |
| case SIOCGIFTXQLEN: |
| if (copy_to_user(uifr32, &ifr, sizeof(*uifr32))) |
| return -EFAULT; |
| break; |
| case SIOCGIFMAP: |
| err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name)); |
| err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start); |
| err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end); |
| err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr); |
| err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq); |
| err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma); |
| err |= __put_user(ifr.ifr_map.port, &uifmap32->port); |
| if (err) |
| err = -EFAULT; |
| break; |
| } |
| } |
| return err; |
| } |
| |
| struct rtentry32 { |
| u32 rt_pad1; |
| struct sockaddr rt_dst; /* target address */ |
| struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ |
| struct sockaddr rt_genmask; /* target network mask (IP) */ |
| unsigned short rt_flags; |
| short rt_pad2; |
| u32 rt_pad3; |
| unsigned char rt_tos; |
| unsigned char rt_class; |
| short rt_pad4; |
| short rt_metric; /* +1 for binary compatibility! */ |
| /* char * */ u32 rt_dev; /* forcing the device at add */ |
| u32 rt_mtu; /* per route MTU/Window */ |
| u32 rt_window; /* Window clamping */ |
| unsigned short rt_irtt; /* Initial RTT */ |
| |
| }; |
| |
| struct in6_rtmsg32 { |
| struct in6_addr rtmsg_dst; |
| struct in6_addr rtmsg_src; |
| struct in6_addr rtmsg_gateway; |
| u32 rtmsg_type; |
| u16 rtmsg_dst_len; |
| u16 rtmsg_src_len; |
| u32 rtmsg_metric; |
| u32 rtmsg_info; |
| u32 rtmsg_flags; |
| s32 rtmsg_ifindex; |
| }; |
| |
| static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| int ret; |
| void *r = NULL; |
| struct in6_rtmsg r6; |
| struct rtentry r4; |
| char devname[16]; |
| u32 rtdev; |
| mm_segment_t old_fs = get_fs(); |
| |
| struct socket *mysock = sockfd_lookup(fd, &ret); |
| |
| if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */ |
| struct in6_rtmsg32 __user *ur6 = compat_ptr(arg); |
| ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst), |
| 3 * sizeof(struct in6_addr)); |
| ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type)); |
| ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len)); |
| ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len)); |
| ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric)); |
| ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info)); |
| ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags)); |
| ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex)); |
| |
| r = (void *) &r6; |
| } else { /* ipv4 */ |
| struct rtentry32 __user *ur4 = compat_ptr(arg); |
| ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst), |
| 3 * sizeof(struct sockaddr)); |
| ret |= __get_user (r4.rt_flags, &(ur4->rt_flags)); |
| ret |= __get_user (r4.rt_metric, &(ur4->rt_metric)); |
| ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu)); |
| ret |= __get_user (r4.rt_window, &(ur4->rt_window)); |
| ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt)); |
| ret |= __get_user (rtdev, &(ur4->rt_dev)); |
| if (rtdev) { |
| ret |= copy_from_user (devname, compat_ptr(rtdev), 15); |
| r4.rt_dev = devname; devname[15] = 0; |
| } else |
| r4.rt_dev = NULL; |
| |
| r = (void *) &r4; |
| } |
| |
| if (ret) |
| return -EFAULT; |
| |
| set_fs (KERNEL_DS); |
| ret = sys_ioctl (fd, cmd, (unsigned long) r); |
| set_fs (old_fs); |
| |
| if (mysock) |
| sockfd_put(mysock); |
| |
| return ret; |
| } |
| #endif |
| |
| struct hd_geometry32 { |
| unsigned char heads; |
| unsigned char sectors; |
| unsigned short cylinders; |
| u32 start; |
| }; |
| |
| static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| struct hd_geometry geo; |
| struct hd_geometry32 __user *ugeo; |
| int err; |
| |
| set_fs (KERNEL_DS); |
| err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo); |
| set_fs (old_fs); |
| ugeo = compat_ptr(arg); |
| if (!err) { |
| err = copy_to_user (ugeo, &geo, 4); |
| err |= __put_user (geo.start, &ugeo->start); |
| } |
| return err ? -EFAULT : 0; |
| } |
| |
| struct fb_fix_screeninfo32 { |
| char id[16]; |
| compat_caddr_t smem_start; |
| u32 smem_len; |
| u32 type; |
| u32 type_aux; |
| u32 visual; |
| u16 xpanstep; |
| u16 ypanstep; |
| u16 ywrapstep; |
| u32 line_length; |
| compat_caddr_t mmio_start; |
| u32 mmio_len; |
| u32 accel; |
| u16 reserved[3]; |
| }; |
| |
| struct fb_cmap32 { |
| u32 start; |
| u32 len; |
| compat_caddr_t red; |
| compat_caddr_t green; |
| compat_caddr_t blue; |
| compat_caddr_t transp; |
| }; |
| |
| static int fb_getput_cmap(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct fb_cmap_user __user *cmap; |
| struct fb_cmap32 __user *cmap32; |
| __u32 data; |
| int err; |
| |
| cmap = compat_alloc_user_space(sizeof(*cmap)); |
| cmap32 = compat_ptr(arg); |
| |
| if (copy_in_user(&cmap->start, &cmap32->start, 2 * sizeof(__u32))) |
| return -EFAULT; |
| |
| if (get_user(data, &cmap32->red) || |
| put_user(compat_ptr(data), &cmap->red) || |
| get_user(data, &cmap32->green) || |
| put_user(compat_ptr(data), &cmap->green) || |
| get_user(data, &cmap32->blue) || |
| put_user(compat_ptr(data), &cmap->blue) || |
| get_user(data, &cmap32->transp) || |
| put_user(compat_ptr(data), &cmap->transp)) |
| return -EFAULT; |
| |
| err = sys_ioctl(fd, cmd, (unsigned long) cmap); |
| |
| if (!err) { |
| if (copy_in_user(&cmap32->start, |
| &cmap->start, |
| 2 * sizeof(__u32))) |
| err = -EFAULT; |
| } |
| return err; |
| } |
| |
| static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix, |
| struct fb_fix_screeninfo32 __user *fix32) |
| { |
| __u32 data; |
| int err; |
| |
| err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id)); |
| |
| data = (__u32) (unsigned long) fix->smem_start; |
| err |= put_user(data, &fix32->smem_start); |
| |
| err |= put_user(fix->smem_len, &fix32->smem_len); |
| err |= put_user(fix->type, &fix32->type); |
| err |= put_user(fix->type_aux, &fix32->type_aux); |
| err |= put_user(fix->visual, &fix32->visual); |
| err |= put_user(fix->xpanstep, &fix32->xpanstep); |
| err |= put_user(fix->ypanstep, &fix32->ypanstep); |
| err |= put_user(fix->ywrapstep, &fix32->ywrapstep); |
| err |= put_user(fix->line_length, &fix32->line_length); |
| |
| data = (__u32) (unsigned long) fix->mmio_start; |
| err |= put_user(data, &fix32->mmio_start); |
| |
| err |= put_user(fix->mmio_len, &fix32->mmio_len); |
| err |= put_user(fix->accel, &fix32->accel); |
| err |= copy_to_user(fix32->reserved, fix->reserved, |
| sizeof(fix->reserved)); |
| |
| return err; |
| } |
| |
| static int fb_get_fscreeninfo(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs; |
| struct fb_fix_screeninfo fix; |
| struct fb_fix_screeninfo32 __user *fix32; |
| int err; |
| |
| fix32 = compat_ptr(arg); |
| |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long) &fix); |
| set_fs(old_fs); |
| |
| if (!err) |
| err = do_fscreeninfo_to_user(&fix, fix32); |
| |
| return err; |
| } |
| |
| static int fb_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| int err; |
| |
| switch (cmd) { |
| case FBIOGET_FSCREENINFO: |
| err = fb_get_fscreeninfo(fd,cmd, arg); |
| break; |
| |
| case FBIOGETCMAP: |
| case FBIOPUTCMAP: |
| err = fb_getput_cmap(fd, cmd, arg); |
| break; |
| |
| default: |
| do { |
| static int count; |
| if (++count <= 20) |
| printk("%s: Unknown fb ioctl cmd fd(%d) " |
| "cmd(%08x) arg(%08lx)\n", |
| __FUNCTION__, fd, cmd, arg); |
| } while(0); |
| err = -ENOSYS; |
| break; |
| }; |
| |
| return err; |
| } |
| |
| static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| unsigned long kval; |
| unsigned int __user *uvp; |
| int error; |
| |
| set_fs(KERNEL_DS); |
| error = sys_ioctl(fd, cmd, (long)&kval); |
| set_fs(old_fs); |
| |
| if(error == 0) { |
| uvp = compat_ptr(arg); |
| if(put_user(kval, uvp)) |
| error = -EFAULT; |
| } |
| return error; |
| } |
| |
| |
| typedef struct sg_io_hdr32 { |
| compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */ |
| compat_int_t dxfer_direction; /* [i] data transfer direction */ |
| unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */ |
| unsigned char mx_sb_len; /* [i] max length to write to sbp */ |
| unsigned short iovec_count; /* [i] 0 implies no scatter gather */ |
| compat_uint_t dxfer_len; /* [i] byte count of data transfer */ |
| compat_uint_t dxferp; /* [i], [*io] points to data transfer memory |
| or scatter gather list */ |
| compat_uptr_t cmdp; /* [i], [*i] points to command to perform */ |
| compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */ |
| compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */ |
| compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */ |
| compat_int_t pack_id; /* [i->o] unused internally (normally) */ |
| compat_uptr_t usr_ptr; /* [i->o] unused internally */ |
| unsigned char status; /* [o] scsi status */ |
| unsigned char masked_status; /* [o] shifted, masked scsi status */ |
| unsigned char msg_status; /* [o] messaging level data (optional) */ |
| unsigned char sb_len_wr; /* [o] byte count actually written to sbp */ |
| unsigned short host_status; /* [o] errors from host adapter */ |
| unsigned short driver_status; /* [o] errors from software driver */ |
| compat_int_t resid; /* [o] dxfer_len - actual_transferred */ |
| compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */ |
| compat_uint_t info; /* [o] auxiliary information */ |
| } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */ |
| |
| typedef struct sg_iovec32 { |
| compat_uint_t iov_base; |
| compat_uint_t iov_len; |
| } sg_iovec32_t; |
| |
| static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count) |
| { |
| sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1); |
| sg_iovec32_t __user *iov32 = dxferp; |
| int i; |
| |
| for (i = 0; i < iovec_count; i++) { |
| u32 base, len; |
| |
| if (get_user(base, &iov32[i].iov_base) || |
| get_user(len, &iov32[i].iov_len) || |
| put_user(compat_ptr(base), &iov[i].iov_base) || |
| put_user(len, &iov[i].iov_len)) |
| return -EFAULT; |
| } |
| |
| if (put_user(iov, &sgio->dxferp)) |
| return -EFAULT; |
| return 0; |
| } |
| |
| static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| sg_io_hdr_t __user *sgio; |
| sg_io_hdr32_t __user *sgio32; |
| u16 iovec_count; |
| u32 data; |
| void __user *dxferp; |
| int err; |
| |
| sgio32 = compat_ptr(arg); |
| if (get_user(iovec_count, &sgio32->iovec_count)) |
| return -EFAULT; |
| |
| { |
| void __user *top = compat_alloc_user_space(0); |
| void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) + |
| (iovec_count * sizeof(sg_iovec_t))); |
| if (new > top) |
| return -EINVAL; |
| |
| sgio = new; |
| } |
| |
| /* Ok, now construct. */ |
| if (copy_in_user(&sgio->interface_id, &sgio32->interface_id, |
| (2 * sizeof(int)) + |
| (2 * sizeof(unsigned char)) + |
| (1 * sizeof(unsigned short)) + |
| (1 * sizeof(unsigned int)))) |
| return -EFAULT; |
| |
| if (get_user(data, &sgio32->dxferp)) |
| return -EFAULT; |
| dxferp = compat_ptr(data); |
| if (iovec_count) { |
| if (sg_build_iovec(sgio, dxferp, iovec_count)) |
| return -EFAULT; |
| } else { |
| if (put_user(dxferp, &sgio->dxferp)) |
| return -EFAULT; |
| } |
| |
| { |
| unsigned char __user *cmdp; |
| unsigned char __user *sbp; |
| |
| if (get_user(data, &sgio32->cmdp)) |
| return -EFAULT; |
| cmdp = compat_ptr(data); |
| |
| if (get_user(data, &sgio32->sbp)) |
| return -EFAULT; |
| sbp = compat_ptr(data); |
| |
| if (put_user(cmdp, &sgio->cmdp) || |
| put_user(sbp, &sgio->sbp)) |
| return -EFAULT; |
| } |
| |
| if (copy_in_user(&sgio->timeout, &sgio32->timeout, |
| 3 * sizeof(int))) |
| return -EFAULT; |
| |
| if (get_user(data, &sgio32->usr_ptr)) |
| return -EFAULT; |
| if (put_user(compat_ptr(data), &sgio->usr_ptr)) |
| return -EFAULT; |
| |
| if (copy_in_user(&sgio->status, &sgio32->status, |
| (4 * sizeof(unsigned char)) + |
| (2 * sizeof(unsigned (short))) + |
| (3 * sizeof(int)))) |
| return -EFAULT; |
| |
| err = sys_ioctl(fd, cmd, (unsigned long) sgio); |
| |
| if (err >= 0) { |
| void __user *datap; |
| |
| if (copy_in_user(&sgio32->pack_id, &sgio->pack_id, |
| sizeof(int)) || |
| get_user(datap, &sgio->usr_ptr) || |
| put_user((u32)(unsigned long)datap, |
| &sgio32->usr_ptr) || |
| copy_in_user(&sgio32->status, &sgio->status, |
| (4 * sizeof(unsigned char)) + |
| (2 * sizeof(unsigned short)) + |
| (3 * sizeof(int)))) |
| err = -EFAULT; |
| } |
| |
| return err; |
| } |
| |
| struct sock_fprog32 { |
| unsigned short len; |
| compat_caddr_t filter; |
| }; |
| |
| #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32) |
| #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32) |
| |
| static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct sock_fprog32 __user *u_fprog32 = compat_ptr(arg); |
| struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog)); |
| void __user *fptr64; |
| u32 fptr32; |
| u16 flen; |
| |
| if (get_user(flen, &u_fprog32->len) || |
| get_user(fptr32, &u_fprog32->filter)) |
| return -EFAULT; |
| |
| fptr64 = compat_ptr(fptr32); |
| |
| if (put_user(flen, &u_fprog64->len) || |
| put_user(fptr64, &u_fprog64->filter)) |
| return -EFAULT; |
| |
| if (cmd == PPPIOCSPASS32) |
| cmd = PPPIOCSPASS; |
| else |
| cmd = PPPIOCSACTIVE; |
| |
| return sys_ioctl(fd, cmd, (unsigned long) u_fprog64); |
| } |
| |
| struct ppp_option_data32 { |
| compat_caddr_t ptr; |
| u32 length; |
| compat_int_t transmit; |
| }; |
| #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32) |
| |
| struct ppp_idle32 { |
| compat_time_t xmit_idle; |
| compat_time_t recv_idle; |
| }; |
| #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32) |
| |
| static int ppp_gidle(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ppp_idle __user *idle; |
| struct ppp_idle32 __user *idle32; |
| __kernel_time_t xmit, recv; |
| int err; |
| |
| idle = compat_alloc_user_space(sizeof(*idle)); |
| idle32 = compat_ptr(arg); |
| |
| err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle); |
| |
| if (!err) { |
| if (get_user(xmit, &idle->xmit_idle) || |
| get_user(recv, &idle->recv_idle) || |
| put_user(xmit, &idle32->xmit_idle) || |
| put_user(recv, &idle32->recv_idle)) |
| err = -EFAULT; |
| } |
| return err; |
| } |
| |
| static int ppp_scompress(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ppp_option_data __user *odata; |
| struct ppp_option_data32 __user *odata32; |
| __u32 data; |
| void __user *datap; |
| |
| odata = compat_alloc_user_space(sizeof(*odata)); |
| odata32 = compat_ptr(arg); |
| |
| if (get_user(data, &odata32->ptr)) |
| return -EFAULT; |
| |
| datap = compat_ptr(data); |
| if (put_user(datap, &odata->ptr)) |
| return -EFAULT; |
| |
| if (copy_in_user(&odata->length, &odata32->length, |
| sizeof(__u32) + sizeof(int))) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata); |
| } |
| |
| static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| int err; |
| |
| switch (cmd) { |
| case PPPIOCGIDLE32: |
| err = ppp_gidle(fd, cmd, arg); |
| break; |
| |
| case PPPIOCSCOMPRESS32: |
| err = ppp_scompress(fd, cmd, arg); |
| break; |
| |
| default: |
| do { |
| static int count; |
| if (++count <= 20) |
| printk("ppp_ioctl: Unknown cmd fd(%d) " |
| "cmd(%08x) arg(%08x)\n", |
| (int)fd, (unsigned int)cmd, (unsigned int)arg); |
| } while(0); |
| err = -EINVAL; |
| break; |
| }; |
| |
| return err; |
| } |
| |
| |
| struct mtget32 { |
| compat_long_t mt_type; |
| compat_long_t mt_resid; |
| compat_long_t mt_dsreg; |
| compat_long_t mt_gstat; |
| compat_long_t mt_erreg; |
| compat_daddr_t mt_fileno; |
| compat_daddr_t mt_blkno; |
| }; |
| #define MTIOCGET32 _IOR('m', 2, struct mtget32) |
| |
| struct mtpos32 { |
| compat_long_t mt_blkno; |
| }; |
| #define MTIOCPOS32 _IOR('m', 3, struct mtpos32) |
| |
| static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| struct mtget get; |
| struct mtget32 __user *umget32; |
| struct mtpos pos; |
| struct mtpos32 __user *upos32; |
| unsigned long kcmd; |
| void *karg; |
| int err = 0; |
| |
| switch(cmd) { |
| case MTIOCPOS32: |
| kcmd = MTIOCPOS; |
| karg = &pos; |
| break; |
| case MTIOCGET32: |
| kcmd = MTIOCGET; |
| karg = &get; |
| break; |
| default: |
| do { |
| static int count; |
| if (++count <= 20) |
| printk("mt_ioctl: Unknown cmd fd(%d) " |
| "cmd(%08x) arg(%08x)\n", |
| (int)fd, (unsigned int)cmd, (unsigned int)arg); |
| } while(0); |
| return -EINVAL; |
| } |
| set_fs (KERNEL_DS); |
| err = sys_ioctl (fd, kcmd, (unsigned long)karg); |
| set_fs (old_fs); |
| if (err) |
| return err; |
| switch (cmd) { |
| case MTIOCPOS32: |
| upos32 = compat_ptr(arg); |
| err = __put_user(pos.mt_blkno, &upos32->mt_blkno); |
| break; |
| case MTIOCGET32: |
| umget32 = compat_ptr(arg); |
| err = __put_user(get.mt_type, &umget32->mt_type); |
| err |= __put_user(get.mt_resid, &umget32->mt_resid); |
| err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg); |
| err |= __put_user(get.mt_gstat, &umget32->mt_gstat); |
| err |= __put_user(get.mt_erreg, &umget32->mt_erreg); |
| err |= __put_user(get.mt_fileno, &umget32->mt_fileno); |
| err |= __put_user(get.mt_blkno, &umget32->mt_blkno); |
| break; |
| } |
| return err ? -EFAULT: 0; |
| } |
| |
| struct cdrom_read_audio32 { |
| union cdrom_addr addr; |
| u8 addr_format; |
| compat_int_t nframes; |
| compat_caddr_t buf; |
| }; |
| |
| struct cdrom_generic_command32 { |
| unsigned char cmd[CDROM_PACKET_SIZE]; |
| compat_caddr_t buffer; |
| compat_uint_t buflen; |
| compat_int_t stat; |
| compat_caddr_t sense; |
| unsigned char data_direction; |
| compat_int_t quiet; |
| compat_int_t timeout; |
| compat_caddr_t reserved[1]; |
| }; |
| |
| static int cdrom_do_read_audio(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct cdrom_read_audio __user *cdread_audio; |
| struct cdrom_read_audio32 __user *cdread_audio32; |
| __u32 data; |
| void __user *datap; |
| |
| cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio)); |
| cdread_audio32 = compat_ptr(arg); |
| |
| if (copy_in_user(&cdread_audio->addr, |
| &cdread_audio32->addr, |
| (sizeof(*cdread_audio32) - |
| sizeof(compat_caddr_t)))) |
| return -EFAULT; |
| |
| if (get_user(data, &cdread_audio32->buf)) |
| return -EFAULT; |
| datap = compat_ptr(data); |
| if (put_user(datap, &cdread_audio->buf)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, cmd, (unsigned long) cdread_audio); |
| } |
| |
| static int cdrom_do_generic_command(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct cdrom_generic_command __user *cgc; |
| struct cdrom_generic_command32 __user *cgc32; |
| u32 data; |
| unsigned char dir; |
| int itmp; |
| |
| cgc = compat_alloc_user_space(sizeof(*cgc)); |
| cgc32 = compat_ptr(arg); |
| |
| if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) || |
| get_user(data, &cgc32->buffer) || |
| put_user(compat_ptr(data), &cgc->buffer) || |
| copy_in_user(&cgc->buflen, &cgc32->buflen, |
| (sizeof(unsigned int) + sizeof(int))) || |
| get_user(data, &cgc32->sense) || |
| put_user(compat_ptr(data), &cgc->sense) || |
| get_user(dir, &cgc32->data_direction) || |
| put_user(dir, &cgc->data_direction) || |
| get_user(itmp, &cgc32->quiet) || |
| put_user(itmp, &cgc->quiet) || |
| get_user(itmp, &cgc32->timeout) || |
| put_user(itmp, &cgc->timeout) || |
| get_user(data, &cgc32->reserved[0]) || |
| put_user(compat_ptr(data), &cgc->reserved[0])) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, cmd, (unsigned long) cgc); |
| } |
| |
| static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| int err; |
| |
| switch(cmd) { |
| case CDROMREADAUDIO: |
| err = cdrom_do_read_audio(fd, cmd, arg); |
| break; |
| |
| case CDROM_SEND_PACKET: |
| err = cdrom_do_generic_command(fd, cmd, arg); |
| break; |
| |
| default: |
| do { |
| static int count; |
| if (++count <= 20) |
| printk("cdrom_ioctl: Unknown cmd fd(%d) " |
| "cmd(%08x) arg(%08x)\n", |
| (int)fd, (unsigned int)cmd, (unsigned int)arg); |
| } while(0); |
| err = -EINVAL; |
| break; |
| }; |
| |
| return err; |
| } |
| |
| struct loop_info32 { |
| compat_int_t lo_number; /* ioctl r/o */ |
| compat_dev_t lo_device; /* ioctl r/o */ |
| compat_ulong_t lo_inode; /* ioctl r/o */ |
| compat_dev_t lo_rdevice; /* ioctl r/o */ |
| compat_int_t lo_offset; |
| compat_int_t lo_encrypt_type; |
| compat_int_t lo_encrypt_key_size; /* ioctl w/o */ |
| compat_int_t lo_flags; /* ioctl r/o */ |
| char lo_name[LO_NAME_SIZE]; |
| unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */ |
| compat_ulong_t lo_init[2]; |
| char reserved[4]; |
| }; |
| |
| static int loop_status(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| struct loop_info l; |
| struct loop_info32 __user *ul; |
| int err = -EINVAL; |
| |
| ul = compat_ptr(arg); |
| switch(cmd) { |
| case LOOP_SET_STATUS: |
| err = get_user(l.lo_number, &ul->lo_number); |
| err |= __get_user(l.lo_device, &ul->lo_device); |
| err |= __get_user(l.lo_inode, &ul->lo_inode); |
| err |= __get_user(l.lo_rdevice, &ul->lo_rdevice); |
| err |= __copy_from_user(&l.lo_offset, &ul->lo_offset, |
| 8 + (unsigned long)l.lo_init - (unsigned long)&l.lo_offset); |
| if (err) { |
| err = -EFAULT; |
| } else { |
| set_fs (KERNEL_DS); |
| err = sys_ioctl (fd, cmd, (unsigned long)&l); |
| set_fs (old_fs); |
| } |
| break; |
| case LOOP_GET_STATUS: |
| set_fs (KERNEL_DS); |
| err = sys_ioctl (fd, cmd, (unsigned long)&l); |
| set_fs (old_fs); |
| if (!err) { |
| err = put_user(l.lo_number, &ul->lo_number); |
| err |= __put_user(l.lo_device, &ul->lo_device); |
| err |= __put_user(l.lo_inode, &ul->lo_inode); |
| err |= __put_user(l.lo_rdevice, &ul->lo_rdevice); |
| err |= __copy_to_user(&ul->lo_offset, &l.lo_offset, |
| (unsigned long)l.lo_init - (unsigned long)&l.lo_offset); |
| if (err) |
| err = -EFAULT; |
| } |
| break; |
| default: { |
| static int count; |
| if (++count <= 20) |
| printk("%s: Unknown loop ioctl cmd, fd(%d) " |
| "cmd(%08x) arg(%08lx)\n", |
| __FUNCTION__, fd, cmd, arg); |
| } |
| } |
| return err; |
| } |
| |
| extern int tty_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg); |
| |
| #ifdef CONFIG_VT |
| |
| static int vt_check(struct file *file) |
| { |
| struct tty_struct *tty; |
| struct inode *inode = file->f_dentry->d_inode; |
| |
| if (file->f_op->ioctl != tty_ioctl) |
| return -EINVAL; |
| |
| tty = (struct tty_struct *)file->private_data; |
| if (tty_paranoia_check(tty, inode, "tty_ioctl")) |
| return -EINVAL; |
| |
| if (tty->driver->ioctl != vt_ioctl) |
| return -EINVAL; |
| |
| /* |
| * To have permissions to do most of the vt ioctls, we either have |
| * to be the owner of the tty, or super-user. |
| */ |
| if (current->signal->tty == tty || capable(CAP_SYS_ADMIN)) |
| return 1; |
| return 0; |
| } |
| |
| struct consolefontdesc32 { |
| unsigned short charcount; /* characters in font (256 or 512) */ |
| unsigned short charheight; /* scan lines per character (1-32) */ |
| compat_caddr_t chardata; /* font data in expanded form */ |
| }; |
| |
| static int do_fontx_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file) |
| { |
| struct consolefontdesc32 __user *user_cfd = compat_ptr(arg); |
| struct console_font_op op; |
| compat_caddr_t data; |
| int i, perm; |
| |
| perm = vt_check(file); |
| if (perm < 0) return perm; |
| |
| switch (cmd) { |
| case PIO_FONTX: |
| if (!perm) |
| return -EPERM; |
| op.op = KD_FONT_OP_SET; |
| op.flags = 0; |
| op.width = 8; |
| if (get_user(op.height, &user_cfd->charheight) || |
| get_user(op.charcount, &user_cfd->charcount) || |
| get_user(data, &user_cfd->chardata)) |
| return -EFAULT; |
| op.data = compat_ptr(data); |
| return con_font_op(vc_cons[fg_console].d, &op); |
| case GIO_FONTX: |
| op.op = KD_FONT_OP_GET; |
| op.flags = 0; |
| op.width = 8; |
| if (get_user(op.height, &user_cfd->charheight) || |
| get_user(op.charcount, &user_cfd->charcount) || |
| get_user(data, &user_cfd->chardata)) |
| return -EFAULT; |
| if (!data) |
| return 0; |
| op.data = compat_ptr(data); |
| i = con_font_op(vc_cons[fg_console].d, &op); |
| if (i) |
| return i; |
| if (put_user(op.height, &user_cfd->charheight) || |
| put_user(op.charcount, &user_cfd->charcount) || |
| put_user((compat_caddr_t)(unsigned long)op.data, |
| &user_cfd->chardata)) |
| return -EFAULT; |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| struct console_font_op32 { |
| compat_uint_t op; /* operation code KD_FONT_OP_* */ |
| compat_uint_t flags; /* KD_FONT_FLAG_* */ |
| compat_uint_t width, height; /* font size */ |
| compat_uint_t charcount; |
| compat_caddr_t data; /* font data with height fixed to 32 */ |
| }; |
| |
| static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file) |
| { |
| struct console_font_op op; |
| struct console_font_op32 __user *fontop = compat_ptr(arg); |
| int perm = vt_check(file), i; |
| struct vc_data *vc; |
| |
| if (perm < 0) return perm; |
| |
| if (copy_from_user(&op, fontop, sizeof(struct console_font_op32))) |
| return -EFAULT; |
| if (!perm && op.op != KD_FONT_OP_GET) |
| return -EPERM; |
| op.data = compat_ptr(((struct console_font_op32 *)&op)->data); |
| op.flags |= KD_FONT_FLAG_OLD; |
| vc = ((struct tty_struct *)file->private_data)->driver_data; |
| i = con_font_op(vc, &op); |
| if (i) |
| return i; |
| ((struct console_font_op32 *)&op)->data = (unsigned long)op.data; |
| if (copy_to_user(fontop, &op, sizeof(struct console_font_op32))) |
| return -EFAULT; |
| return 0; |
| } |
| |
| struct unimapdesc32 { |
| unsigned short entry_ct; |
| compat_caddr_t entries; |
| }; |
| |
| static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *file) |
| { |
| struct unimapdesc32 tmp; |
| struct unimapdesc32 __user *user_ud = compat_ptr(arg); |
| int perm = vt_check(file); |
| |
| if (perm < 0) return perm; |
| if (copy_from_user(&tmp, user_ud, sizeof tmp)) |
| return -EFAULT; |
| switch (cmd) { |
| case PIO_UNIMAP: |
| if (!perm) return -EPERM; |
| return con_set_unimap(vc_cons[fg_console].d, tmp.entry_ct, compat_ptr(tmp.entries)); |
| case GIO_UNIMAP: |
| return con_get_unimap(vc_cons[fg_console].d, tmp.entry_ct, &(user_ud->entry_ct), compat_ptr(tmp.entries)); |
| } |
| return 0; |
| } |
| |
| #endif /* CONFIG_VT */ |
| |
| static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| __kernel_uid_t kuid; |
| int err; |
| |
| cmd = SMB_IOC_GETMOUNTUID; |
| |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long)&kuid); |
| set_fs(old_fs); |
| |
| if (err >= 0) |
| err = put_user(kuid, (compat_uid_t __user *)compat_ptr(arg)); |
| |
| return err; |
| } |
| |
| struct atmif_sioc32 { |
| compat_int_t number; |
| compat_int_t length; |
| compat_caddr_t arg; |
| }; |
| |
| struct atm_iobuf32 { |
| compat_int_t length; |
| compat_caddr_t buffer; |
| }; |
| |
| #define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32) |
| #define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32) |
| #define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32) |
| #define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32) |
| #define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32) |
| #define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32) |
| #define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32) |
| #define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32) |
| #define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32) |
| #define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32) |
| #define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32) |
| #define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32) |
| #define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32) |
| #define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32) |
| #define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32) |
| #define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32) |
| #define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32) |
| |
| static struct { |
| unsigned int cmd32; |
| unsigned int cmd; |
| } atm_ioctl_map[] = { |
| { ATM_GETLINKRATE32, ATM_GETLINKRATE }, |
| { ATM_GETNAMES32, ATM_GETNAMES }, |
| { ATM_GETTYPE32, ATM_GETTYPE }, |
| { ATM_GETESI32, ATM_GETESI }, |
| { ATM_GETADDR32, ATM_GETADDR }, |
| { ATM_RSTADDR32, ATM_RSTADDR }, |
| { ATM_ADDADDR32, ATM_ADDADDR }, |
| { ATM_DELADDR32, ATM_DELADDR }, |
| { ATM_GETCIRANGE32, ATM_GETCIRANGE }, |
| { ATM_SETCIRANGE32, ATM_SETCIRANGE }, |
| { ATM_SETESI32, ATM_SETESI }, |
| { ATM_SETESIF32, ATM_SETESIF }, |
| { ATM_GETSTAT32, ATM_GETSTAT }, |
| { ATM_GETSTATZ32, ATM_GETSTATZ }, |
| { ATM_GETLOOP32, ATM_GETLOOP }, |
| { ATM_SETLOOP32, ATM_SETLOOP }, |
| { ATM_QUERYLOOP32, ATM_QUERYLOOP } |
| }; |
| |
| #define NR_ATM_IOCTL (sizeof(atm_ioctl_map)/sizeof(atm_ioctl_map[0])) |
| |
| |
| static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct atm_iobuf __user *iobuf; |
| struct atm_iobuf32 __user *iobuf32; |
| u32 data; |
| void __user *datap; |
| int len, err; |
| |
| iobuf = compat_alloc_user_space(sizeof(*iobuf)); |
| iobuf32 = compat_ptr(arg); |
| |
| if (get_user(len, &iobuf32->length) || |
| get_user(data, &iobuf32->buffer)) |
| return -EFAULT; |
| datap = compat_ptr(data); |
| if (put_user(len, &iobuf->length) || |
| put_user(datap, &iobuf->buffer)) |
| return -EFAULT; |
| |
| err = sys_ioctl(fd, cmd, (unsigned long)iobuf); |
| |
| if (!err) { |
| if (copy_in_user(&iobuf32->length, &iobuf->length, |
| sizeof(int))) |
| err = -EFAULT; |
| } |
| |
| return err; |
| } |
| |
| static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct atmif_sioc __user *sioc; |
| struct atmif_sioc32 __user *sioc32; |
| u32 data; |
| void __user *datap; |
| int err; |
| |
| sioc = compat_alloc_user_space(sizeof(*sioc)); |
| sioc32 = compat_ptr(arg); |
| |
| if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) || |
| get_user(data, &sioc32->arg)) |
| return -EFAULT; |
| datap = compat_ptr(data); |
| if (put_user(datap, &sioc->arg)) |
| return -EFAULT; |
| |
| err = sys_ioctl(fd, cmd, (unsigned long) sioc); |
| |
| if (!err) { |
| if (copy_in_user(&sioc32->length, &sioc->length, |
| sizeof(int))) |
| err = -EFAULT; |
| } |
| return err; |
| } |
| |
| static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg) |
| { |
| int i; |
| unsigned int cmd = 0; |
| |
| switch (cmd32) { |
| case SONET_GETSTAT: |
| case SONET_GETSTATZ: |
| case SONET_GETDIAG: |
| case SONET_SETDIAG: |
| case SONET_CLRDIAG: |
| case SONET_SETFRAMING: |
| case SONET_GETFRAMING: |
| case SONET_GETFRSENSE: |
| return do_atmif_sioc(fd, cmd32, arg); |
| } |
| |
| for (i = 0; i < NR_ATM_IOCTL; i++) { |
| if (cmd32 == atm_ioctl_map[i].cmd32) { |
| cmd = atm_ioctl_map[i].cmd; |
| break; |
| } |
| } |
| if (i == NR_ATM_IOCTL) |
| return -EINVAL; |
| |
| switch (cmd) { |
| case ATM_GETNAMES: |
| return do_atm_iobuf(fd, cmd, arg); |
| |
| case ATM_GETLINKRATE: |
| case ATM_GETTYPE: |
| case ATM_GETESI: |
| case ATM_GETADDR: |
| case ATM_RSTADDR: |
| case ATM_ADDADDR: |
| case ATM_DELADDR: |
| case ATM_GETCIRANGE: |
| case ATM_SETCIRANGE: |
| case ATM_SETESI: |
| case ATM_SETESIF: |
| case ATM_GETSTAT: |
| case ATM_GETSTATZ: |
| case ATM_GETLOOP: |
| case ATM_SETLOOP: |
| case ATM_QUERYLOOP: |
| return do_atmif_sioc(fd, cmd, arg); |
| } |
| |
| return -EINVAL; |
| } |
| |
| static __attribute_used__ int |
| ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| return -EINVAL; |
| } |
| |
| static int broken_blkgetsize(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| /* The mkswap binary hard codes it to Intel value :-((( */ |
| return w_long(fd, BLKGETSIZE, arg); |
| } |
| |
| struct blkpg_ioctl_arg32 { |
| compat_int_t op; |
| compat_int_t flags; |
| compat_int_t datalen; |
| compat_caddr_t data; |
| }; |
| |
| static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct blkpg_ioctl_arg32 __user *ua32 = compat_ptr(arg); |
| struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a)); |
| compat_caddr_t udata; |
| compat_int_t n; |
| int err; |
| |
| err = get_user(n, &ua32->op); |
| err |= put_user(n, &a->op); |
| err |= get_user(n, &ua32->flags); |
| err |= put_user(n, &a->flags); |
| err |= get_user(n, &ua32->datalen); |
| err |= put_user(n, &a->datalen); |
| err |= get_user(udata, &ua32->data); |
| err |= put_user(compat_ptr(udata), &a->data); |
| if (err) |
| return err; |
| |
| return sys_ioctl(fd, cmd, (unsigned long)a); |
| } |
| |
| static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg); |
| } |
| |
| /* Fix sizeof(sizeof()) breakage */ |
| #define BLKBSZGET_32 _IOR(0x12,112,int) |
| #define BLKBSZSET_32 _IOW(0x12,113,int) |
| #define BLKGETSIZE64_32 _IOR(0x12,114,int) |
| |
| static int do_blkbszget(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| return sys_ioctl(fd, BLKBSZGET, (unsigned long)compat_ptr(arg)); |
| } |
| |
| static int do_blkbszset(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| return sys_ioctl(fd, BLKBSZSET, (unsigned long)compat_ptr(arg)); |
| } |
| |
| static int do_blkgetsize64(unsigned int fd, unsigned int cmd, |
| unsigned long arg) |
| { |
| return sys_ioctl(fd, BLKGETSIZE64, (unsigned long)compat_ptr(arg)); |
| } |
| |
| /* Bluetooth ioctls */ |
| #define HCIUARTSETPROTO _IOW('U', 200, int) |
| #define HCIUARTGETPROTO _IOR('U', 201, int) |
| |
| #define BNEPCONNADD _IOW('B', 200, int) |
| #define BNEPCONNDEL _IOW('B', 201, int) |
| #define BNEPGETCONNLIST _IOR('B', 210, int) |
| #define BNEPGETCONNINFO _IOR('B', 211, int) |
| |
| #define CMTPCONNADD _IOW('C', 200, int) |
| #define CMTPCONNDEL _IOW('C', 201, int) |
| #define CMTPGETCONNLIST _IOR('C', 210, int) |
| #define CMTPGETCONNINFO _IOR('C', 211, int) |
| |
| #define HIDPCONNADD _IOW('H', 200, int) |
| #define HIDPCONNDEL _IOW('H', 201, int) |
| #define HIDPGETCONNLIST _IOR('H', 210, int) |
| #define HIDPGETCONNINFO _IOR('H', 211, int) |
| |
| struct floppy_struct32 { |
| compat_uint_t size; |
| compat_uint_t sect; |
| compat_uint_t head; |
| compat_uint_t track; |
| compat_uint_t stretch; |
| unsigned char gap; |
| unsigned char rate; |
| unsigned char spec1; |
| unsigned char fmt_gap; |
| const compat_caddr_t name; |
| }; |
| |
| struct floppy_drive_params32 { |
| char cmos; |
| compat_ulong_t max_dtr; |
| compat_ulong_t hlt; |
| compat_ulong_t hut; |
| compat_ulong_t srt; |
| compat_ulong_t spinup; |
| compat_ulong_t spindown; |
| unsigned char spindown_offset; |
| unsigned char select_delay; |
| unsigned char rps; |
| unsigned char tracks; |
| compat_ulong_t timeout; |
| unsigned char interleave_sect; |
| struct floppy_max_errors max_errors; |
| char flags; |
| char read_track; |
| short autodetect[8]; |
| compat_int_t checkfreq; |
| compat_int_t native_format; |
| }; |
| |
| struct floppy_drive_struct32 { |
| signed char flags; |
| compat_ulong_t spinup_date; |
| compat_ulong_t select_date; |
| compat_ulong_t first_read_date; |
| short probed_format; |
| short track; |
| short maxblock; |
| short maxtrack; |
| compat_int_t generation; |
| compat_int_t keep_data; |
| compat_int_t fd_ref; |
| compat_int_t fd_device; |
| compat_int_t last_checked; |
| compat_caddr_t dmabuf; |
| compat_int_t bufblocks; |
| }; |
| |
| struct floppy_fdc_state32 { |
| compat_int_t spec1; |
| compat_int_t spec2; |
| compat_int_t dtr; |
| unsigned char version; |
| unsigned char dor; |
| compat_ulong_t address; |
| unsigned int rawcmd:2; |
| unsigned int reset:1; |
| unsigned int need_configure:1; |
| unsigned int perp_mode:2; |
| unsigned int has_fifo:1; |
| unsigned int driver_version; |
| unsigned char track[4]; |
| }; |
| |
| struct floppy_write_errors32 { |
| unsigned int write_errors; |
| compat_ulong_t first_error_sector; |
| compat_int_t first_error_generation; |
| compat_ulong_t last_error_sector; |
| compat_int_t last_error_generation; |
| compat_uint_t badness; |
| }; |
| |
| #define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32) |
| #define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32) |
| #define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32) |
| #define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32) |
| #define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32) |
| #define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32) |
| #define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32) |
| #define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32) |
| #define FDWERRORGET32 _IOR(2, 0x17, struct floppy_write_errors32) |
| |
| static struct { |
| unsigned int cmd32; |
| unsigned int cmd; |
| } fd_ioctl_trans_table[] = { |
| { FDSETPRM32, FDSETPRM }, |
| { FDDEFPRM32, FDDEFPRM }, |
| { FDGETPRM32, FDGETPRM }, |
| { FDSETDRVPRM32, FDSETDRVPRM }, |
| { FDGETDRVPRM32, FDGETDRVPRM }, |
| { FDGETDRVSTAT32, FDGETDRVSTAT }, |
| { FDPOLLDRVSTAT32, FDPOLLDRVSTAT }, |
| { FDGETFDCSTAT32, FDGETFDCSTAT }, |
| { FDWERRORGET32, FDWERRORGET } |
| }; |
| |
| #define NR_FD_IOCTL_TRANS (sizeof(fd_ioctl_trans_table)/sizeof(fd_ioctl_trans_table[0])) |
| |
| static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| void *karg = NULL; |
| unsigned int kcmd = 0; |
| int i, err; |
| |
| for (i = 0; i < NR_FD_IOCTL_TRANS; i++) |
| if (cmd == fd_ioctl_trans_table[i].cmd32) { |
| kcmd = fd_ioctl_trans_table[i].cmd; |
| break; |
| } |
| if (!kcmd) |
| return -EINVAL; |
| |
| switch (cmd) { |
| case FDSETPRM32: |
| case FDDEFPRM32: |
| case FDGETPRM32: |
| { |
| compat_uptr_t name; |
| struct floppy_struct32 __user *uf; |
| struct floppy_struct *f; |
| |
| uf = compat_ptr(arg); |
| f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL); |
| if (!karg) |
| return -ENOMEM; |
| if (cmd == FDGETPRM32) |
| break; |
| err = __get_user(f->size, &uf->size); |
| err |= __get_user(f->sect, &uf->sect); |
| err |= __get_user(f->head, &uf->head); |
| err |= __get_user(f->track, &uf->track); |
| err |= __get_user(f->stretch, &uf->stretch); |
| err |= __get_user(f->gap, &uf->gap); |
| err |= __get_user(f->rate, &uf->rate); |
| err |= __get_user(f->spec1, &uf->spec1); |
| err |= __get_user(f->fmt_gap, &uf->fmt_gap); |
| err |= __get_user(name, &uf->name); |
| f->name = compat_ptr(name); |
| if (err) { |
| err = -EFAULT; |
| goto out; |
| } |
| break; |
| } |
| case FDSETDRVPRM32: |
| case FDGETDRVPRM32: |
| { |
| struct floppy_drive_params32 __user *uf; |
| struct floppy_drive_params *f; |
| |
| uf = compat_ptr(arg); |
| f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL); |
| if (!karg) |
| return -ENOMEM; |
| if (cmd == FDGETDRVPRM32) |
| break; |
| err = __get_user(f->cmos, &uf->cmos); |
| err |= __get_user(f->max_dtr, &uf->max_dtr); |
| err |= __get_user(f->hlt, &uf->hlt); |
| err |= __get_user(f->hut, &uf->hut); |
| err |= __get_user(f->srt, &uf->srt); |
| err |= __get_user(f->spinup, &uf->spinup); |
| err |= __get_user(f->spindown, &uf->spindown); |
| err |= __get_user(f->spindown_offset, &uf->spindown_offset); |
| err |= __get_user(f->select_delay, &uf->select_delay); |
| err |= __get_user(f->rps, &uf->rps); |
| err |= __get_user(f->tracks, &uf->tracks); |
| err |= __get_user(f->timeout, &uf->timeout); |
| err |= __get_user(f->interleave_sect, &uf->interleave_sect); |
| err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors)); |
| err |= __get_user(f->flags, &uf->flags); |
| err |= __get_user(f->read_track, &uf->read_track); |
| err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect)); |
| err |= __get_user(f->checkfreq, &uf->checkfreq); |
| err |= __get_user(f->native_format, &uf->native_format); |
| if (err) { |
| err = -EFAULT; |
| goto out; |
| } |
| break; |
| } |
| case FDGETDRVSTAT32: |
| case FDPOLLDRVSTAT32: |
| karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL); |
| if (!karg) |
| return -ENOMEM; |
| break; |
| case FDGETFDCSTAT32: |
| karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL); |
| if (!karg) |
| return -ENOMEM; |
| break; |
| case FDWERRORGET32: |
| karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL); |
| if (!karg) |
| return -ENOMEM; |
| break; |
| default: |
| return -EINVAL; |
| } |
| set_fs (KERNEL_DS); |
| err = sys_ioctl (fd, kcmd, (unsigned long)karg); |
| set_fs (old_fs); |
| if (err) |
| goto out; |
| switch (cmd) { |
| case FDGETPRM32: |
| { |
| struct floppy_struct *f = karg; |
| struct floppy_struct32 __user *uf = compat_ptr(arg); |
| |
| err = __put_user(f->size, &uf->size); |
| err |= __put_user(f->sect, &uf->sect); |
| err |= __put_user(f->head, &uf->head); |
| err |= __put_user(f->track, &uf->track); |
| err |= __put_user(f->stretch, &uf->stretch); |
| err |= __put_user(f->gap, &uf->gap); |
| err |= __put_user(f->rate, &uf->rate); |
| err |= __put_user(f->spec1, &uf->spec1); |
| err |= __put_user(f->fmt_gap, &uf->fmt_gap); |
| err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name); |
| break; |
| } |
| case FDGETDRVPRM32: |
| { |
| struct floppy_drive_params32 __user *uf; |
| struct floppy_drive_params *f = karg; |
| |
| uf = compat_ptr(arg); |
| err = __put_user(f->cmos, &uf->cmos); |
| err |= __put_user(f->max_dtr, &uf->max_dtr); |
| err |= __put_user(f->hlt, &uf->hlt); |
| err |= __put_user(f->hut, &uf->hut); |
| err |= __put_user(f->srt, &uf->srt); |
| err |= __put_user(f->spinup, &uf->spinup); |
| err |= __put_user(f->spindown, &uf->spindown); |
| err |= __put_user(f->spindown_offset, &uf->spindown_offset); |
| err |= __put_user(f->select_delay, &uf->select_delay); |
| err |= __put_user(f->rps, &uf->rps); |
| err |= __put_user(f->tracks, &uf->tracks); |
| err |= __put_user(f->timeout, &uf->timeout); |
| err |= __put_user(f->interleave_sect, &uf->interleave_sect); |
| err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors)); |
| err |= __put_user(f->flags, &uf->flags); |
| err |= __put_user(f->read_track, &uf->read_track); |
| err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect)); |
| err |= __put_user(f->checkfreq, &uf->checkfreq); |
| err |= __put_user(f->native_format, &uf->native_format); |
| break; |
| } |
| case FDGETDRVSTAT32: |
| case FDPOLLDRVSTAT32: |
| { |
| struct floppy_drive_struct32 __user *uf; |
| struct floppy_drive_struct *f = karg; |
| |
| uf = compat_ptr(arg); |
| err = __put_user(f->flags, &uf->flags); |
| err |= __put_user(f->spinup_date, &uf->spinup_date); |
| err |= __put_user(f->select_date, &uf->select_date); |
| err |= __put_user(f->first_read_date, &uf->first_read_date); |
| err |= __put_user(f->probed_format, &uf->probed_format); |
| err |= __put_user(f->track, &uf->track); |
| err |= __put_user(f->maxblock, &uf->maxblock); |
| err |= __put_user(f->maxtrack, &uf->maxtrack); |
| err |= __put_user(f->generation, &uf->generation); |
| err |= __put_user(f->keep_data, &uf->keep_data); |
| err |= __put_user(f->fd_ref, &uf->fd_ref); |
| err |= __put_user(f->fd_device, &uf->fd_device); |
| err |= __put_user(f->last_checked, &uf->last_checked); |
| err |= __put_user((u64)f->dmabuf, &uf->dmabuf); |
| err |= __put_user((u64)f->bufblocks, &uf->bufblocks); |
| break; |
| } |
| case FDGETFDCSTAT32: |
| { |
| struct floppy_fdc_state32 __user *uf; |
| struct floppy_fdc_state *f = karg; |
| |
| uf = compat_ptr(arg); |
| err = __put_user(f->spec1, &uf->spec1); |
| err |= __put_user(f->spec2, &uf->spec2); |
| err |= __put_user(f->dtr, &uf->dtr); |
| err |= __put_user(f->version, &uf->version); |
| err |= __put_user(f->dor, &uf->dor); |
| err |= __put_user(f->address, &uf->address); |
| err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address), |
| (char *)&f->address + sizeof(f->address), sizeof(int)); |
| err |= __put_user(f->driver_version, &uf->driver_version); |
| err |= __copy_to_user(uf->track, f->track, sizeof(f->track)); |
| break; |
| } |
| case FDWERRORGET32: |
| { |
| struct floppy_write_errors32 __user *uf; |
| struct floppy_write_errors *f = karg; |
| |
| uf = compat_ptr(arg); |
| err = __put_user(f->write_errors, &uf->write_errors); |
| err |= __put_user(f->first_error_sector, &uf->first_error_sector); |
| err |= __put_user(f->first_error_generation, &uf->first_error_generation); |
| err |= __put_user(f->last_error_sector, &uf->last_error_sector); |
| err |= __put_user(f->last_error_generation, &uf->last_error_generation); |
| err |= __put_user(f->badness, &uf->badness); |
| break; |
| } |
| default: |
| break; |
| } |
| if (err) |
| err = -EFAULT; |
| |
| out: if (karg) kfree(karg); |
| return err; |
| } |
| |
| struct mtd_oob_buf32 { |
| u_int32_t start; |
| u_int32_t length; |
| compat_caddr_t ptr; /* unsigned char* */ |
| }; |
| |
| #define MEMWRITEOOB32 _IOWR('M',3,struct mtd_oob_buf32) |
| #define MEMREADOOB32 _IOWR('M',4,struct mtd_oob_buf32) |
| |
| static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct mtd_oob_buf __user *buf = compat_alloc_user_space(sizeof(*buf)); |
| struct mtd_oob_buf32 __user *buf32 = compat_ptr(arg); |
| u32 data; |
| char __user *datap; |
| unsigned int real_cmd; |
| int err; |
| |
| real_cmd = (cmd == MEMREADOOB32) ? |
| MEMREADOOB : MEMWRITEOOB; |
| |
| if (copy_in_user(&buf->start, &buf32->start, |
| 2 * sizeof(u32)) || |
| get_user(data, &buf32->ptr)) |
| return -EFAULT; |
| datap = compat_ptr(data); |
| if (put_user(datap, &buf->ptr)) |
| return -EFAULT; |
| |
| err = sys_ioctl(fd, real_cmd, (unsigned long) buf); |
| |
| if (!err) { |
| if (copy_in_user(&buf32->start, &buf->start, |
| 2 * sizeof(u32))) |
| err = -EFAULT; |
| } |
| |
| return err; |
| } |
| |
| #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2]) |
| #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2]) |
| |
| static long |
| put_dirent32 (struct dirent *d, struct compat_dirent __user *d32) |
| { |
| if (!access_ok(VERIFY_WRITE, d32, sizeof(struct compat_dirent))) |
| return -EFAULT; |
| |
| __put_user(d->d_ino, &d32->d_ino); |
| __put_user(d->d_off, &d32->d_off); |
| __put_user(d->d_reclen, &d32->d_reclen); |
| if (__copy_to_user(d32->d_name, d->d_name, d->d_reclen)) |
| return -EFAULT; |
| |
| return 0; |
| } |
| |
| static int vfat_ioctl32(unsigned fd, unsigned cmd, unsigned long arg) |
| { |
| struct compat_dirent __user *p = compat_ptr(arg); |
| int ret; |
| mm_segment_t oldfs = get_fs(); |
| struct dirent d[2]; |
| |
| switch(cmd) |
| { |
| case VFAT_IOCTL_READDIR_BOTH32: |
| cmd = VFAT_IOCTL_READDIR_BOTH; |
| break; |
| case VFAT_IOCTL_READDIR_SHORT32: |
| cmd = VFAT_IOCTL_READDIR_SHORT; |
| break; |
| } |
| |
| set_fs(KERNEL_DS); |
| ret = sys_ioctl(fd,cmd,(unsigned long)&d); |
| set_fs(oldfs); |
| if (ret >= 0) { |
| ret |= put_dirent32(&d[0], p); |
| ret |= put_dirent32(&d[1], p + 1); |
| } |
| return ret; |
| } |
| |
| #define REISERFS_IOC_UNPACK32 _IOW(0xCD,1,int) |
| |
| static int reiserfs_ioctl32(unsigned fd, unsigned cmd, unsigned long ptr) |
| { |
| if (cmd == REISERFS_IOC_UNPACK32) |
| cmd = REISERFS_IOC_UNPACK; |
| |
| return sys_ioctl(fd,cmd,ptr); |
| } |
| |
| struct raw32_config_request |
| { |
| compat_int_t raw_minor; |
| __u64 block_major; |
| __u64 block_minor; |
| } __attribute__((packed)); |
| |
| static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req) |
| { |
| int ret; |
| |
| if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request))) |
| return -EFAULT; |
| |
| ret = __get_user(req->raw_minor, &user_req->raw_minor); |
| ret |= __get_user(req->block_major, &user_req->block_major); |
| ret |= __get_user(req->block_minor, &user_req->block_minor); |
| |
| return ret ? -EFAULT : 0; |
| } |
| |
| static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req) |
| { |
| int ret; |
| |
| if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request))) |
| return -EFAULT; |
| |
| ret = __put_user(req->raw_minor, &user_req->raw_minor); |
| ret |= __put_user(req->block_major, &user_req->block_major); |
| ret |= __put_user(req->block_minor, &user_req->block_minor); |
| |
| return ret ? -EFAULT : 0; |
| } |
| |
| static int raw_ioctl(unsigned fd, unsigned cmd, unsigned long arg) |
| { |
| int ret; |
| |
| switch (cmd) { |
| case RAW_SETBIND: |
| case RAW_GETBIND: { |
| struct raw_config_request req; |
| struct raw32_config_request __user *user_req = compat_ptr(arg); |
| mm_segment_t oldfs = get_fs(); |
| |
| if ((ret = get_raw32_request(&req, user_req))) |
| return ret; |
| |
| set_fs(KERNEL_DS); |
| ret = sys_ioctl(fd,cmd,(unsigned long)&req); |
| set_fs(oldfs); |
| |
| if ((!ret) && (cmd == RAW_GETBIND)) { |
| ret = set_raw32_request(&req, user_req); |
| } |
| break; |
| } |
| default: |
| ret = sys_ioctl(fd, cmd, arg); |
| break; |
| } |
| return ret; |
| } |
| |
| struct serial_struct32 { |
| compat_int_t type; |
| compat_int_t line; |
| compat_uint_t port; |
| compat_int_t irq; |
| compat_int_t flags; |
| compat_int_t xmit_fifo_size; |
| compat_int_t custom_divisor; |
| compat_int_t baud_base; |
| unsigned short close_delay; |
| char io_type; |
| char reserved_char[1]; |
| compat_int_t hub6; |
| unsigned short closing_wait; /* time to wait before closing */ |
| unsigned short closing_wait2; /* no longer used... */ |
| compat_uint_t iomem_base; |
| unsigned short iomem_reg_shift; |
| unsigned int port_high; |
| /* compat_ulong_t iomap_base FIXME */ |
| compat_int_t reserved[1]; |
| }; |
| |
| static int serial_struct_ioctl(unsigned fd, unsigned cmd, unsigned long arg) |
| { |
| typedef struct serial_struct SS; |
| typedef struct serial_struct32 SS32; |
| struct serial_struct32 __user *ss32 = compat_ptr(arg); |
| int err; |
| struct serial_struct ss; |
| mm_segment_t oldseg = get_fs(); |
| __u32 udata; |
| |
| if (cmd == TIOCSSERIAL) { |
| if (!access_ok(VERIFY_READ, ss32, sizeof(SS32))) |
| return -EFAULT; |
| if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base))) |
| return -EFAULT; |
| __get_user(udata, &ss32->iomem_base); |
| ss.iomem_base = compat_ptr(udata); |
| __get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift); |
| __get_user(ss.port_high, &ss32->port_high); |
| ss.iomap_base = 0UL; |
| } |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd,cmd,(unsigned long)(&ss)); |
| set_fs(oldseg); |
| if (cmd == TIOCGSERIAL && err >= 0) { |
| if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32))) |
| return -EFAULT; |
| if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base))) |
| return -EFAULT; |
| __put_user((unsigned long)ss.iomem_base >> 32 ? |
| 0xffffffff : (unsigned)(unsigned long)ss.iomem_base, |
| &ss32->iomem_base); |
| __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift); |
| __put_user(ss.port_high, &ss32->port_high); |
| |
| } |
| return err; |
| } |
| |
| struct usbdevfs_ctrltransfer32 { |
| u8 bRequestType; |
| u8 bRequest; |
| u16 wValue; |
| u16 wIndex; |
| u16 wLength; |
| u32 timeout; /* in milliseconds */ |
| compat_caddr_t data; |
| }; |
| |
| #define USBDEVFS_CONTROL32 _IOWR('U', 0, struct usbdevfs_ctrltransfer32) |
| |
| static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct usbdevfs_ctrltransfer32 __user *p32 = compat_ptr(arg); |
| struct usbdevfs_ctrltransfer __user *p; |
| __u32 udata; |
| p = compat_alloc_user_space(sizeof(*p)); |
| if (copy_in_user(p, p32, (sizeof(*p32) - sizeof(compat_caddr_t))) || |
| get_user(udata, &p32->data) || |
| put_user(compat_ptr(udata), &p->data)) |
| return -EFAULT; |
| return sys_ioctl(fd, USBDEVFS_CONTROL, (unsigned long)p); |
| } |
| |
| |
| struct usbdevfs_bulktransfer32 { |
| compat_uint_t ep; |
| compat_uint_t len; |
| compat_uint_t timeout; /* in milliseconds */ |
| compat_caddr_t data; |
| }; |
| |
| #define USBDEVFS_BULK32 _IOWR('U', 2, struct usbdevfs_bulktransfer32) |
| |
| static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct usbdevfs_bulktransfer32 __user *p32 = compat_ptr(arg); |
| struct usbdevfs_bulktransfer __user *p; |
| compat_uint_t n; |
| compat_caddr_t addr; |
| |
| p = compat_alloc_user_space(sizeof(*p)); |
| |
| if (get_user(n, &p32->ep) || put_user(n, &p->ep) || |
| get_user(n, &p32->len) || put_user(n, &p->len) || |
| get_user(n, &p32->timeout) || put_user(n, &p->timeout) || |
| get_user(addr, &p32->data) || put_user(compat_ptr(addr), &p->data)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, USBDEVFS_BULK, (unsigned long)p); |
| } |
| |
| |
| /* |
| * USBDEVFS_SUBMITURB, USBDEVFS_REAPURB and USBDEVFS_REAPURBNDELAY |
| * are handled in usbdevfs core. -Christopher Li |
| */ |
| |
| struct usbdevfs_disconnectsignal32 { |
| compat_int_t signr; |
| compat_caddr_t context; |
| }; |
| |
| #define USBDEVFS_DISCSIGNAL32 _IOR('U', 14, struct usbdevfs_disconnectsignal32) |
| |
| static int do_usbdevfs_discsignal(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct usbdevfs_disconnectsignal kdis; |
| struct usbdevfs_disconnectsignal32 __user *udis; |
| mm_segment_t old_fs; |
| u32 uctx; |
| int err; |
| |
| udis = compat_ptr(arg); |
| |
| if (get_user(kdis.signr, &udis->signr) || |
| __get_user(uctx, &udis->context)) |
| return -EFAULT; |
| |
| kdis.context = compat_ptr(uctx); |
| |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd, USBDEVFS_DISCSIGNAL, (unsigned long) &kdis); |
| set_fs(old_fs); |
| |
| return err; |
| } |
| |
| /* |
| * I2C layer ioctls |
| */ |
| |
| struct i2c_msg32 { |
| u16 addr; |
| u16 flags; |
| u16 len; |
| compat_caddr_t buf; |
| }; |
| |
| struct i2c_rdwr_ioctl_data32 { |
| compat_caddr_t msgs; /* struct i2c_msg __user *msgs */ |
| u32 nmsgs; |
| }; |
| |
| struct i2c_smbus_ioctl_data32 { |
| u8 read_write; |
| u8 command; |
| u32 size; |
| compat_caddr_t data; /* union i2c_smbus_data *data */ |
| }; |
| |
| struct i2c_rdwr_aligned { |
| struct i2c_rdwr_ioctl_data cmd; |
| struct i2c_msg msgs[0]; |
| }; |
| |
| static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct i2c_rdwr_ioctl_data32 __user *udata = compat_ptr(arg); |
| struct i2c_rdwr_aligned __user *tdata; |
| struct i2c_msg __user *tmsgs; |
| struct i2c_msg32 __user *umsgs; |
| compat_caddr_t datap; |
| int nmsgs, i; |
| |
| if (get_user(nmsgs, &udata->nmsgs)) |
| return -EFAULT; |
| if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS) |
| return -EINVAL; |
| |
| if (get_user(datap, &udata->msgs)) |
| return -EFAULT; |
| umsgs = compat_ptr(datap); |
| |
| tdata = compat_alloc_user_space(sizeof(*tdata) + |
| nmsgs * sizeof(struct i2c_msg)); |
| tmsgs = &tdata->msgs[0]; |
| |
| if (put_user(nmsgs, &tdata->cmd.nmsgs) || |
| put_user(tmsgs, &tdata->cmd.msgs)) |
| return -EFAULT; |
| |
| for (i = 0; i < nmsgs; i++) { |
| if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16))) |
| return -EFAULT; |
| if (get_user(datap, &umsgs[i].buf) || |
| put_user(compat_ptr(datap), &tmsgs[i].buf)) |
| return -EFAULT; |
| } |
| return sys_ioctl(fd, cmd, (unsigned long)tdata); |
| } |
| |
| static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct i2c_smbus_ioctl_data __user *tdata; |
| struct i2c_smbus_ioctl_data32 __user *udata; |
| compat_caddr_t datap; |
| |
| tdata = compat_alloc_user_space(sizeof(*tdata)); |
| if (tdata == NULL) |
| return -ENOMEM; |
| if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata))) |
| return -EFAULT; |
| |
| udata = compat_ptr(arg); |
| if (!access_ok(VERIFY_READ, udata, sizeof(*udata))) |
| return -EFAULT; |
| |
| if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8))) |
| return -EFAULT; |
| if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32))) |
| return -EFAULT; |
| if (__get_user(datap, &udata->data) || |
| __put_user(compat_ptr(datap), &tdata->data)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, cmd, (unsigned long)tdata); |
| } |
| |
| struct compat_iw_point { |
| compat_caddr_t pointer; |
| __u16 length; |
| __u16 flags; |
| }; |
| |
| static int do_wireless_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct iwreq __user *iwr; |
| struct iwreq __user *iwr_u; |
| struct iw_point __user *iwp; |
| struct compat_iw_point __user *iwp_u; |
| compat_caddr_t pointer; |
| __u16 length, flags; |
| |
| iwr_u = compat_ptr(arg); |
| iwp_u = (struct compat_iw_point __user *) &iwr_u->u.data; |
| iwr = compat_alloc_user_space(sizeof(*iwr)); |
| if (iwr == NULL) |
| return -ENOMEM; |
| |
| iwp = &iwr->u.data; |
| |
| if (!access_ok(VERIFY_WRITE, iwr, sizeof(*iwr))) |
| return -EFAULT; |
| |
| if (__copy_in_user(&iwr->ifr_ifrn.ifrn_name[0], |
| &iwr_u->ifr_ifrn.ifrn_name[0], |
| sizeof(iwr->ifr_ifrn.ifrn_name))) |
| return -EFAULT; |
| |
| if (__get_user(pointer, &iwp_u->pointer) || |
| __get_user(length, &iwp_u->length) || |
| __get_user(flags, &iwp_u->flags)) |
| return -EFAULT; |
| |
| if (__put_user(compat_ptr(pointer), &iwp->pointer) || |
| __put_user(length, &iwp->length) || |
| __put_user(flags, &iwp->flags)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, cmd, (unsigned long) iwr); |
| } |
| |
| /* Since old style bridge ioctl's endup using SIOCDEVPRIVATE |
| * for some operations; this forces use of the newer bridge-utils that |
| * use compatiable ioctls |
| */ |
| static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| u32 tmp; |
| |
| if (get_user(tmp, (u32 __user *) arg)) |
| return -EFAULT; |
| if (tmp == BRCTL_GET_VERSION) |
| return BRCTL_VERSION + 1; |
| return -EINVAL; |
| } |
| |
| #if defined(CONFIG_NCP_FS) || defined(CONFIG_NCP_FS_MODULE) |
| struct ncp_ioctl_request_32 { |
| u32 function; |
| u32 size; |
| compat_caddr_t data; |
| }; |
| |
| struct ncp_fs_info_v2_32 { |
| s32 version; |
| u32 mounted_uid; |
| u32 connection; |
| u32 buffer_size; |
| |
| u32 volume_number; |
| u32 directory_id; |
| |
| u32 dummy1; |
| u32 dummy2; |
| u32 dummy3; |
| }; |
| |
| struct ncp_objectname_ioctl_32 |
| { |
| s32 auth_type; |
| u32 object_name_len; |
| compat_caddr_t object_name; /* an userspace data, in most cases user name */ |
| }; |
| |
| struct ncp_privatedata_ioctl_32 |
| { |
| u32 len; |
| compat_caddr_t data; /* ~1000 for NDS */ |
| }; |
| |
| #define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct ncp_ioctl_request_32) |
| #define NCP_IOC_GETMOUNTUID2_32 _IOW('n', 2, u32) |
| #define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct ncp_fs_info_v2_32) |
| #define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct ncp_objectname_ioctl_32) |
| #define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct ncp_objectname_ioctl_32) |
| #define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct ncp_privatedata_ioctl_32) |
| #define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct ncp_privatedata_ioctl_32) |
| |
| static int do_ncp_ncprequest(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| struct ncp_ioctl_request_32 n32; |
| struct ncp_ioctl_request __user *p = compat_alloc_user_space(sizeof(*p)); |
| |
| if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32)) || |
| put_user(n32.function, &p->function) || |
| put_user(n32.size, &p->size) || |
| put_user(compat_ptr(n32.data), &p->data)) |
| return -EFAULT; |
| |
| return sys_ioctl(fd, NCP_IOC_NCPREQUEST, (unsigned long)p); |
| } |
| |
| static int do_ncp_getmountuid2(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| __kernel_uid_t kuid; |
| int err; |
| |
| cmd = NCP_IOC_GETMOUNTUID2; |
| |
| set_fs(KERNEL_DS); |
| err = sys_ioctl(fd, cmd, (unsigned long)&kuid); |
| set_fs(old_fs); |
| |
| if (!err) |
| err = put_user(kuid, |
| (unsigned int __user *) compat_ptr(arg)); |
| |
| return err; |
| } |
| |
| static int do_ncp_getfsinfo2(unsigned int fd, unsigned int cmd, unsigned long arg) |
| { |
| mm_segment_t old_fs = get_fs(); |
| struct ncp_fs_info_v2_32 n32; |
| struct ncp_fs_info_v2 n; |
| int err; |
| |
| if (copy_from_user(&n32, compat_ptr(arg), sizeof(n32))) |
| return -EFAULT; |
| if (n32.version != NCP_GET_FS_INFO_VERSION_V2) |
| return -EINVAL; |
| n.version = NCP_GET_FS_INFO_VERSION_V2; |
| |
|