/* * 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. */ #include <linux/types.h> #include <linux/compat.h> #include <linux/kernel.h> #include <linux/capability.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/auto_fs.h> #include <linux/auto_fs4.h> #include <linux/tty.h> #include <linux/vt_kern.h> #include <linux/fb.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/if_tun.h> #include <linux/ctype.h> #include <linux/ioctl32.h> #include <linux/syscalls.h> #include <linux/i2c.h> #include <linux/i2c-dev.h> #include <linux/wireless.h> #include <linux/atalk.h> #include <linux/blktrace_api.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 <linux/gigaset_dev.h> #include <scsi/scsi.h> #include <scsi/scsi_ioctl.h> #include <scsi/sg.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 <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/pktcdvd.h> #include <linux/hiddev.h> #include <linux/dvb/audio.h> #include <linux/dvb/dmx.h> #include <linux/dvb/frontend.h> #include <linux/dvb/video.h> #include <linux/lp.h> static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd, unsigned long arg, struct file *f) { return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg)); } 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; } struct compat_video_event { int32_t type; compat_time_t timestamp; union { video_size_t size; unsigned int frame_rate; } u; }; static int do_video_get_event(unsigned int fd, unsigned int cmd, unsigned long arg) { struct video_event kevent; mm_segment_t old_fs = get_fs(); int err; set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long) &kevent); set_fs(old_fs); if (!err) { struct compat_video_event __user *up = compat_ptr(arg); err = put_user(kevent.type, &up->type); err |= put_user(kevent.timestamp, &up->timestamp); err |= put_user(kevent.u.size.w, &up->u.size.w); err |= put_user(kevent.u.size.h, &up->u.size.h); err |= put_user(kevent.u.size.aspect_ratio, &up->u.size.aspect_ratio); if (err) err = -EFAULT; } return err; } struct compat_video_still_picture { compat_uptr_t iFrame; int32_t size; }; static int do_video_stillpicture(unsigned int fd, unsigned int cmd, unsigned long arg) { struct compat_video_still_picture __user *up; struct video_still_picture __user *up_native; compat_uptr_t fp; int32_t size; int err; up = (struct compat_video_still_picture __user *) arg; err = get_user(fp, &up->iFrame); err |= get_user(size, &up->size); if (err) return -EFAULT; up_native = compat_alloc_user_space(sizeof(struct video_still_picture)); err = put_user(compat_ptr(fp), &up_native->iFrame); err |= put_user(size, &up_native->size); if (err) return -EFAULT; err = sys_ioctl(fd, cmd, (unsigned long) up_native); return err; } struct compat_video_spu_palette { int length; compat_uptr_t palette; }; static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned long arg) { struct compat_video_spu_palette __user *up; struct video_spu_palette __user *up_native; compat_uptr_t palp; int length, err; up = (struct compat_video_spu_palette __user *) arg; err = get_user(palp, &up->palette); err |= get_user(length, &up->length); up_native = compat_alloc_user_space(sizeof(struct video_spu_palette)); err = put_user(compat_ptr(palp), &up_native->palette); err |= put_user(length, &up_native->length); if (err) return -EFAULT; err = sys_ioctl(fd, cmd, (unsigned long) up_native); 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 + sizeof (struct ifreq32) <= 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 { ifc32.ifc_len = i; } 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) { ret = -EFAULT; goto out; } set_fs (KERNEL_DS); ret = sys_ioctl (fd, cmd, (unsigned long) r); set_fs (old_fs); out: if (mysock) sockfd_put(mysock); return ret; } #endif #ifdef CONFIG_BLOCK 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; } 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 compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */ char req_state; char orphan; char sg_io_owned; char problem; int pack_id; compat_uptr_t usr_ptr; unsigned int duration; int unused; }; static int sg_grt_trans(unsigned int fd, unsigned int cmd, unsigned long arg) { int err, i; sg_req_info_t __user *r; struct compat_sg_req_info __user *o = (void __user *)arg; r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE); err = sys_ioctl(fd,cmd,(unsigned long)r); if (err < 0) return err; for (i = 0; i < SG_MAX_QUEUE; i++) { void __user *ptr; int d; if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) || get_user(ptr, &r[i].usr_ptr) || get_user(d, &r[i].duration) || put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) || put_user(d, &o[i].duration)) return -EFAULT; } return err; } #endif /* CONFIG_BLOCK */ 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; } #ifdef CONFIG_BLOCK 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; } #endif /* CONFIG_BLOCK */ #ifdef CONFIG_VT static int vt_check(struct file *file) { struct tty_struct *tty; struct inode *inode = file->f_path.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 ARRAY_SIZE(atm_ioctl_map) 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; } #ifdef CONFIG_BLOCK 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); } #endif static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg) { return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg); } #ifdef CONFIG_BLOCK /* 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)); } #endif /* 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) #ifdef CONFIG_BLOCK 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 ARRAY_SIZE(fd_ioctl_trans_table) 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: kfree(karg); return err; } #endif 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; } #ifdef CONFIG_BLOCK 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; } #endif /* CONFIG_BLOCK */ 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; unsigned int base; 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; if (__get_user(udata, &ss32->iomem_base)) return -EFAULT; ss.iomem_base = compat_ptr(udata); if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || __get_user(ss.port_high, &ss32->port_high)) return -EFAULT; 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; base = (unsigned long)ss.iomem_base >> 32 ? 0xffffffff : (unsigned)(unsigned long)ss.iomem_base; if (__put_user(base, &ss32->iomem_base) || __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || __put_user(ss.port_high, &ss32->port_high)) return -EFAULT; } 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; } #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t) #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t) #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t) #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t) static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg) { mm_segment_t oldfs = get_fs(); compat_ulong_t val32; unsigned long kval; int ret; switch (cmd) { case RTC_IRQP_READ32: case RTC_EPOCH_READ32: set_fs(KERNEL_DS); ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ? RTC_IRQP_READ : RTC_EPOCH_READ, (unsigned long)&kval); set_fs(oldfs); if (ret) return ret; val32 = kval; return put_user(val32, (unsigned int __user *)arg); case RTC_IRQP_SET32: return sys_ioctl(fd, RTC_IRQP_SET, arg); case RTC_EPOCH_SET32: return sys_ioctl(fd, RTC_EPOCH_SET, arg); default: /* unreached */ return -ENOIOCTLCMD; } } static int lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg) { struct compat_timeval __user *tc = (struct compat_timeval __user *)arg; struct timeval __user *tn = compat_alloc_user_space(sizeof(struct timeval)); struct timeval ts; if (get_user(ts.tv_sec, &tc->tv_sec) || get_user(ts.tv_usec, &tc->tv_usec) || put_user(ts.tv_sec, &tn->tv_sec) || put_user(ts.tv_usec, &tn->tv_usec)) return -EFAULT; return sys_ioctl(fd, cmd, (unsigned long)tn); } #define HANDLE_IOCTL(cmd,handler) \ { (cmd), (ioctl_trans_handler_t)(handler) }, /* pointer to compatible structure or no argument */ #define COMPATIBLE_IOCTL(cmd) \ { (cmd), do_ioctl32_pointer }, /* argument is an unsigned long integer, not a pointer */ #define ULONG_IOCTL(cmd) \ { (cmd), (ioctl_trans_handler_t)sys_ioctl }, struct ioctl_trans ioctl_start[] = { #include <linux/compat_ioctl.h> HANDLE_IOCTL(MEMREADOOB32, mtd_rw_oob) HANDLE_IOCTL(MEMWRITEOOB32, mtd_rw_oob) #ifdef CONFIG_NET HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32) HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf) HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc) HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc) HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc) HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc) HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc) HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc) HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc) HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc) HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc) HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc) HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc) HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc) HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc) HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc) HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc) HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc) HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc) HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc) /* ioctls used by appletalk ddp.c */ HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc) HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc) HANDLE_IOCTL(SIOCSARP, dev_ifsioc) HANDLE_IOCTL(SIOCDARP, dev_ifsioc) HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc) HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc) HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc) HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc) HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc) HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc) HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc) HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc) HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc) HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc) HANDLE_IOCTL(TUNSETIFF, dev_ifsioc) HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl) HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl) HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl) HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl) HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl) HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl) HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl) HANDLE_IOCTL(SIOCADDRT, routing_ioctl) HANDLE_IOCTL(SIOCDELRT, routing_ioctl) HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc) HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc) /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */ HANDLE_IOCTL(SIOCRTMSG, ret_einval) HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp) #endif #ifdef CONFIG_BLOCK HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo) HANDLE_IOCTL(BLKRAGET, w_long) HANDLE_IOCTL(BLKGETSIZE, w_long) HANDLE_IOCTL(0x1260, broken_blkgetsize) HANDLE_IOCTL(BLKFRAGET, w_long) HANDLE_IOCTL(BLKSECTGET, w_long) HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans) HANDLE_IOCTL(HDIO_GET_UNMASKINTR, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_MULTCOUNT, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_32BIT, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_NOWERR, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_DMA, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_NICE, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_WCACHE, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_ACOUSTIC, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_ADDRESS, hdio_ioctl_trans) HANDLE_IOCTL(HDIO_GET_BUSSTATE, hdio_ioctl_trans) HANDLE_IOCTL(FDSETPRM32, fd_ioctl_trans) HANDLE_IOCTL(FDDEFPRM32, fd_ioctl_trans) HANDLE_IOCTL(FDGETPRM32, fd_ioctl_trans) HANDLE_IOCTL(FDSETDRVPRM32, fd_ioctl_trans) HANDLE_IOCTL(FDGETDRVPRM32, fd_ioctl_trans) HANDLE_IOCTL(FDGETDRVSTAT32, fd_ioctl_trans) HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans) HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans) HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans) HANDLE_IOCTL(SG_IO,sg_ioctl_trans) HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans) #endif HANDLE_IOCTL(PPPIOCGIDLE32, ppp_ioctl_trans) HANDLE_IOCTL(PPPIOCSCOMPRESS32, ppp_ioctl_trans) HANDLE_IOCTL(PPPIOCSPASS32, ppp_sock_fprog_ioctl_trans) HANDLE_IOCTL(PPPIOCSACTIVE32, ppp_sock_fprog_ioctl_trans) #ifdef CONFIG_BLOCK HANDLE_IOCTL(MTIOCGET32, mt_ioctl_trans) HANDLE_IOCTL(MTIOCPOS32, mt_ioctl_trans) HANDLE_IOCTL(CDROMREADAUDIO, cdrom_ioctl_trans) HANDLE_IOCTL(CDROM_SEND_PACKET, cdrom_ioctl_trans) #endif #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int) HANDLE_IOCTL(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout) #ifdef CONFIG_VT HANDLE_IOCTL(PIO_FONTX, do_fontx_ioctl) HANDLE_IOCTL(GIO_FONTX, do_fontx_ioctl) HANDLE_IOCTL(PIO_UNIMAP, do_unimap_ioctl) HANDLE_IOCTL(GIO_UNIMAP, do_unimap_ioctl) HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl) #endif /* One SMB ioctl needs translations. */ #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t) HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid) HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl) HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl) HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl) HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl) HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl) HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl) HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl) HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl) HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl) HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl) HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl) HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl) HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl) HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl) HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl) HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl) HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl) HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl) /* block stuff */ #ifdef CONFIG_BLOCK HANDLE_IOCTL(BLKBSZGET_32, do_blkbszget) HANDLE_IOCTL(BLKBSZSET_32, do_blkbszset) HANDLE_IOCTL(BLKGETSIZE64_32, do_blkgetsize64) /* Raw devices */ HANDLE_IOCTL(RAW_SETBIND, raw_ioctl) HANDLE_IOCTL(RAW_GETBIND, raw_ioctl) #endif /* Serial */ HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl) HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl) #ifdef TIOCGLTC COMPATIBLE_IOCTL(TIOCGLTC) COMPATIBLE_IOCTL(TIOCSLTC) #endif #ifdef TIOCSTART /* * For these two we have defintions in ioctls.h and/or termios.h on * some architectures but no actual implemention. Some applications * like bash call them if they are defined in the headers, so we provide * entries here to avoid syslog message spew. */ COMPATIBLE_IOCTL(TIOCSTART) COMPATIBLE_IOCTL(TIOCSTOP) #endif /* Usbdevfs */ HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control) HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk) HANDLE_IOCTL(USBDEVFS_DISCSIGNAL32, do_usbdevfs_discsignal) COMPATIBLE_IOCTL(USBDEVFS_IOCTL32) /* i2c */ HANDLE_IOCTL(I2C_FUNCS, w_long) HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl) HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl) /* wireless */ HANDLE_IOCTL(SIOCGIWRANGE, do_wireless_ioctl) HANDLE_IOCTL(SIOCSIWSPY, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWSPY, do_wireless_ioctl) HANDLE_IOCTL(SIOCSIWTHRSPY, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWTHRSPY, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWAPLIST, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWSCAN, do_wireless_ioctl) HANDLE_IOCTL(SIOCSIWESSID, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWESSID, do_wireless_ioctl) HANDLE_IOCTL(SIOCSIWNICKN, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWNICKN, do_wireless_ioctl) HANDLE_IOCTL(SIOCSIWENCODE, do_wireless_ioctl) HANDLE_IOCTL(SIOCGIWENCODE, do_wireless_ioctl) HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl) HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl) HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl) HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl) HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl) HANDLE_IOCTL(RTC_EPOCH_SET32, rtc_ioctl) /* dvb */ HANDLE_IOCTL(VIDEO_GET_EVENT, do_video_get_event) HANDLE_IOCTL(VIDEO_STILLPICTURE, do_video_stillpicture) HANDLE_IOCTL(VIDEO_SET_SPU_PALETTE, do_video_set_spu_palette) /* parport */ COMPATIBLE_IOCTL(LPTIME) COMPATIBLE_IOCTL(LPCHAR) COMPATIBLE_IOCTL(LPABORTOPEN) COMPATIBLE_IOCTL(LPCAREFUL) COMPATIBLE_IOCTL(LPWAIT) COMPATIBLE_IOCTL(LPSETIRQ) COMPATIBLE_IOCTL(LPGETSTATUS) COMPATIBLE_IOCTL(LPGETSTATUS) COMPATIBLE_IOCTL(LPRESET) /*LPGETSTATS not implemented, but no kernels seem to compile it in anyways*/ COMPATIBLE_IOCTL(LPGETFLAGS) HANDLE_IOCTL(LPSETTIMEOUT, lp_timeout_trans) }; int ioctl_table_size = ARRAY_SIZE(ioctl_start);