/*
* ioctl32.c: Conversion between 32bit and 64bit native ioctls.
*
* S390 version
* Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
* Author(s): Gerhard Tonn (ton@de.ibm.com)
*
* Heavily inspired by the 32-bit Sparc compat code which is
* Copyright (C) 2000 Silicon Graphics, Inc.
* Written by Ulf Carlsson (ulfc@engr.sgi.com)
*
*/
#include <linux/types.h>
#include <linux/compat.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/vt.h>
#include <linux/kd.h>
#include <linux/netdevice.h>
#include <linux/route.h>
#include <linux/ext2_fs.h>
#include <linux/hdreg.h>
#include <linux/if_bonding.h>
#include <linux/blkpg.h>
#include <linux/blk.h>
#include <linux/dm-ioctl.h>
#include <linux/loop.h>
#include <linux/elevator.h>
#include <asm/types.h>
#include <asm/uaccess.h>
#include <asm/dasd.h>
#include <asm/tape390.h>
#include <asm/sockios.h>
#include <asm/ioctls.h>
#include "linux32.h"
long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
struct hd_geometry32 {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
__u32 start;
};
static inline int hd_geometry_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct hd_geometry32 *hg32 = (struct hd_geometry32 *) A(arg);
struct hd_geometry hg;
int ret;
mm_segment_t old_fs = get_fs();
set_fs (KERNEL_DS);
ret = sys_ioctl (fd, cmd, (long)&hg);
set_fs (old_fs);
if (ret)
return ret;
ret = put_user (hg.heads, &(hg32->heads));
ret |= __put_user (hg.sectors, &(hg32->sectors));
ret |= __put_user (hg.cylinders, &(hg32->cylinders));
ret |= __put_user (hg.start, &(hg32->start));
return ret;
}
#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)
struct ifmap32 {
unsigned int mem_start;
unsigned int 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;
int ifru_ivalue;
int ifru_mtu;
struct ifmap32 ifru_map;
char ifru_slave[IFNAMSIZ]; /* Just fits the size */
char ifru_newname[IFNAMSIZ];
__u32 ifru_data;
} ifr_ifru;
};
struct ifconf32 {
int ifc_len; /* size of buffer */
__u32 ifcbuf;
};
static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct ireq32 *uir32 = (struct ireq32 *) A(arg);
struct net_device *dev;
struct ifreq32 ifr32;
if (copy_from_user(&ifr32, uir32, sizeof(struct ifreq32)))
return -EFAULT;
read_lock(&dev_base_lock);
dev = __dev_get_by_index(ifr32.ifr_ifindex);
if (!dev) {
read_unlock(&dev_base_lock);
return -ENODEV;
}
strcpy(ifr32.ifr_name, dev->name);
read_unlock(&dev_base_lock);
if (copy_to_user(uir32, &ifr32, sizeof(struct ifreq32)))
return -EFAULT;
return 0;
}
static inline int dev_ifconf(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
struct ioconf32 *uifc32 = (struct ioconf32 *) A(arg);
struct ifconf32 ifc32;
struct ifconf ifc;
struct ifreq32 *ifr32;
struct ifreq *ifr;
mm_segment_t old_fs;
int len;
int err;
if (copy_from_user(&ifc32, uifc32, sizeof(struct ifconf32)))
return -EFAULT;
if(ifc32.ifcbuf == 0) {
ifc32.ifc_len = 0;
ifc.ifc_len = 0;
ifc.ifc_buf = NULL;
} else {
ifc.ifc_len = ((ifc32.ifc_len / sizeof (struct ifreq32))) *
sizeof (struct ifreq);
ifc.ifc_buf = kmalloc (ifc.ifc_len, GFP_KERNEL);
if (!ifc.ifc_buf)
return -ENOMEM;
}
ifr = ifc.ifc_req;
ifr32 = (struct ifreq32 *) A(ifc32.ifcbuf);
len = ifc32.ifc_len / sizeof (struct ifreq32);
while (len--) {
if (copy_from_user(ifr++, ifr32++, sizeof (struct ifreq32))) {
err = -EFAULT;
goto out;
}
}
old_fs = get_fs();
set_fs (KERNEL_DS);
err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)&ifc);
set_fs (old_fs);
if (err)
goto out;
ifr = ifc.ifc_req;
ifr32 = (struct ifreq32 *) A(ifc32.ifcbuf);
len = ifc.ifc_len / sizeof (struct ifreq);
ifc32.ifc_len = len * sizeof (struct ifreq32);
while (len--) {
if (copy_to_user(ifr32++, ifr++, sizeof (struct ifreq32))) {
err = -EFAULT;
goto out;
}
}
if (copy_to_user(uifc32, &ifc32, sizeof(struct ifconf32))) {
err = -EFAULT;
goto out;
}
out:
if(ifc.ifc_buf != NULL)
kfree (ifc.ifc_buf);
return err;
}
static int bond_ioctl(unsigned long fd, unsigned int cmd, unsigned long arg)
{
struct ifreq ifr;
mm_segment_t old_fs;
int err, len;
u32 data;
if (copy_from_user(&ifr, (struct ifreq32 *)arg, sizeof(struct ifreq32)))
return -EFAULT;
ifr.ifr_data = (__kernel_caddr_t)get_zeroed_page(GFP_KERNEL);
if (!ifr.ifr_data)
return -EAGAIN;
switch (cmd) {
case SIOCBONDENSLAVE:
case SIOCBONDRELEASE:
case SIOCBONDSETHWADDR:
case SIOCBONDCHANGEACTIVE:
len = IFNAMSIZ * sizeof(char);
break;
case SIOCBONDSLAVEINFOQUERY:
len = sizeof(struct ifslave);
break;
case SIOCBONDINFOQUERY:
len = sizeof(struct ifbond);
break;
default:
err = -EINVAL;
goto out;
};
__get_user(data, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_data));
if (copy_from_user(ifr.ifr_data, (char *)A(data), len)) {
err = -EFAULT;
goto out;
}
old_fs = get_fs();
set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
set_fs (old_fs);
if (!err) {
len = copy_to_user((char *)A(data), ifr.ifr_data, len);
if (len)
err = -EFAULT;
}
out:
free_page((unsigned long)ifr.ifr_data);
return err;
}
static inline int dev_ifsioc(unsigned int fd, unsigned int cmd,
unsigned long arg)
{
struct ifreq32 *uifr = (struct ifreq32 *) A(arg);
struct ifreq ifr;
mm_segment_t old_fs;
int err;
switch (cmd) {
case SIOCSIFMAP:
err = copy_from_user(&ifr, uifr, sizeof(ifr.ifr_name));
err |= __get_user(ifr.ifr_map.mem_start, &(uifr->ifr_ifru.ifru_map.mem_start));
err |= __get_user(ifr.ifr_map.mem_end, &(uifr->ifr_ifru.ifru_map.mem_end));
err |= __get_user(ifr.ifr_map.base_addr, &(uifr->ifr_ifru.ifru_map.base_addr));
err |= __get_user(ifr.ifr_map.irq, &(uifr->ifr_ifru.ifru_map.irq));
err |= __get_user(ifr.ifr_map.dma, &(uifr->ifr_ifru.ifru_map.dma));
err |= __get_user(ifr.ifr_map.port, &(uifr->ifr_ifru.ifru_map.port));
if (err)
return -EFAULT;
break;
default:
if (copy_from_user(&ifr, uifr, sizeof(struct ifreq32)))
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) {
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(uifr, &ifr, sizeof(struct ifreq32)))
return -EFAULT;
break;
case SIOCGIFMAP:
err = copy_to_user(uifr, &ifr, sizeof(ifr.ifr_name));
err |= __put_user(ifr.ifr_map.mem_start, &(uifr->ifr_ifru.ifru_map.mem_start));
err |= __put_user(ifr.ifr_map.mem_end, &(uifr->ifr_ifru.ifru_map.mem_end));
err |= __put_user(ifr.ifr_map.base_addr, &(uifr->ifr_ifru.ifru_map.base_addr));
err |= __put_user(ifr.ifr_map.irq, &(uifr->ifr_ifru.ifru_map.irq));
err |= __put_user(ifr.ifr_map.dma, &(uifr->ifr_ifru.ifru_map.dma));
err |= __put_user(ifr.ifr_map.port, &(uifr->ifr_ifru.ifru_map.port));
if (err)
err = -EFAULT;
break;
}
}
return err;
}
struct rtentry32
{
unsigned int 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;
unsigned int rt_pad3;
unsigned int rt_pad4;
short rt_metric; /* +1 for binary compatibility! */
unsigned int rt_dev; /* forcing the device at add */
unsigned int rt_mtu; /* per route MTU/Window */
#ifndef __KERNEL__
#define rt_mss rt_mtu /* Compatibility :-( */
#endif
unsigned int rt_window; /* Window clamping */
unsigned short rt_irtt; /* Initial RTT */
};
static inline int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct rtentry32 *ur = (struct rtentry32 *) A(arg);
struct rtentry r;
char devname[16];
u32 rtdev;
int ret;
mm_segment_t old_fs = get_fs();
ret = copy_from_user (&r.rt_dst, &(ur->rt_dst), 3 * sizeof(struct sockaddr));
ret |= __get_user (r.rt_flags, &(ur->rt_flags));
ret |= __get_user (r.rt_metric, &(ur->rt_metric));
ret |= __get_user (r.rt_mtu, &(ur->rt_mtu));
ret |= __get_user (r.rt_window, &(ur->rt_window));
ret |= __get_user (r.rt_irtt, &(ur->rt_irtt));
ret |= __get_user (rtdev, &(ur->rt_dev));
if (rtdev) {
ret |= copy_from_user (devname, (char *) A(rtdev), 15);
r.rt_dev = devname; devname[15] = 0;
} else
r.rt_dev = 0;
if (ret)
return -EFAULT;
set_fs (KERNEL_DS);
ret = sys_ioctl (fd, cmd, (long)&r);
set_fs (old_fs);
return ret;
}
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, arg);
}
struct loop_info32 {
int lo_number; /* ioctl r/o */
compat_dev_t lo_device; /* ioctl r/o */
unsigned int lo_inode; /* ioctl r/o */
compat_dev_t lo_rdevice; /* ioctl r/o */
int lo_offset;
int lo_encrypt_type;
int lo_encrypt_key_size; /* ioctl w/o */
int lo_flags; /* ioctl r/o */
char lo_name[LO_NAME_SIZE];
unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
unsigned int 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;
int err = -EINVAL;
switch(cmd) {
case LOOP_SET_STATUS:
err = get_user(l.lo_number, &((struct loop_info32 *)arg)->lo_number);
err |= __get_user(l.lo_device, &((struct loop_info32 *)arg)->lo_device);
err |= __get_user(l.lo_inode, &((struct loop_info32 *)arg)->lo_inode);
err |= __get_user(l.lo_rdevice, &((struct loop_info32 *)arg)->lo_rdevice);
err |= __copy_from_user((char *)&l.lo_offset, (char *)&((struct loop_info32 *)arg)->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, &((struct loop_info32 *)arg)->lo_number);
err |= __put_user(l.lo_device, &((struct loop_info32 *)arg)->lo_device);
err |= __put_user(l.lo_inode, &((struct loop_info32 *)arg)->lo_inode);
err |= __put_user(l.lo_rdevice, &((struct loop_info32 *)arg)->lo_rdevice);
err |= __copy_to_user((char *)&((struct loop_info32 *)arg)->lo_offset,
(char *)&l.lo_offset, (unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
if (err)
err = -EFAULT;
}
break;
default: {
static int count = 0;
if (++count <= 20)
printk("%s: Unknown loop ioctl cmd, fd(%d) "
"cmd(%08x) arg(%08lx)\n",
__FUNCTION__, fd, cmd, arg);
}
}
return err;
}
struct blkpg_ioctl_arg32 {
int op;
int flags;
int datalen;
u32 data;
};
static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, struct blkpg_ioctl_arg32 *arg)
{
struct blkpg_ioctl_arg a;
struct blkpg_partition p;
int err;
mm_segment_t old_fs = get_fs();
err = get_user(a.op, &arg->op);
err |= __get_user(a.flags, &arg->flags);
err |= __get_user(a.datalen, &arg->datalen);
err |= __get_user((long)a.data, &arg->data);
if (err) return err;
switch (a.op) {
case BLKPG_ADD_PARTITION:
case BLKPG_DEL_PARTITION:
if (a.datalen < sizeof(struct blkpg_partition))
return -EINVAL;
if (copy_from_user(&p, a.data, sizeof(struct blkpg_partition)))
return -EFAULT;
a.data = &p;
set_fs (KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&a);
set_fs (old_fs);
default:
return -EINVAL;
}
return err;
}
typedef struct ica_z90_status_t {
int totalcount;
int leedslitecount;
int leeds2count;
int requestqWaitCount;
int pendingqWaitCount;
int totalOpenCount;
int cryptoDomain;
unsigned char status[64];
unsigned char qdepth[64];
} ica_z90_status;
typedef struct _ica_rsa_modexpo {
char *inputdata;
unsigned int inputdatalength;
char *outputdata;
unsigned int outputdatalength;
char *b_key;
char *n_modulus;
} ica_rsa_modexpo_t;
typedef struct _ica_rsa_modexpo_32 {
u32 inputdata;
u32 inputdatalength;
u32 outputdata;
u32 outputdatalength;
u32 b_key;
u32 n_modulus;
} ica_rsa_modexpo_32_t;
typedef struct _ica_rsa_modexpo_crt {
char *inputdata;
unsigned int inputdatalength;
char *outputdata;
unsigned int outputdatalength;
char *bp_key;
char *bq_key;
char *np_prime;
char *nq_prime;
char *u_mult_inv;
} ica_rsa_modexpo_crt_t;
typedef struct _ica_rsa_modexpo_crt_32 {
u32 inputdata;
u32 inputdatalength;
u32 outputdata;
u32 outputdatalength;
u32 bp_key;
u32 bq_key;
u32 np_prime;
u32 nq_prime;
u32 u_mult_inv;
} ica_rsa_modexpo_crt_32_t;
#define ICA_IOCTL_MAGIC 'z'
#define ICARSAMODEXPO _IOC(_IOC_READ|_IOC_WRITE, ICA_IOCTL_MAGIC, 0x05, 0)
#define ICARSACRT _IOC(_IOC_READ|_IOC_WRITE, ICA_IOCTL_MAGIC, 0x06, 0)
#define ICARSAMODMULT _IOC(_IOC_READ|_IOC_WRITE, ICA_IOCTL_MAGIC, 0x07, 0)
#define ICAZ90STATUS _IOC(_IOC_READ, ICA_IOCTL_MAGIC, 0x10, sizeof(ica_z90_status))
#define ICAZ90QUIESCE _IOC(_IOC_NONE, ICA_IOCTL_MAGIC, 0x11, 0)
#define ICAZ90HARDRESET _IOC(_IOC_NONE, ICA_IOCTL_MAGIC, 0x12, 0)
#define ICAZ90HARDERROR _IOC(_IOC_NONE, ICA_IOCTL_MAGIC, 0x13, 0)
static int do_rsa_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
int err = 0;
ica_rsa_modexpo_t rsa;
ica_rsa_modexpo_32_t *rsa32 = (ica_rsa_modexpo_32_t *)arg;
u32 inputdata, outputdata, b_key, n_modulus;
memset (&rsa, 0, sizeof(rsa));
err |= __get_user (inputdata, &rsa32->inputdata);
err |= __get_user (rsa.inputdatalength, &rsa32->inputdatalength);
err |= __get_user (outputdata, &rsa32->outputdata);
err |= __get_user (rsa.outputdatalength, &rsa32->outputdatalength);
err |= __get_user (b_key, &rsa32->b_key);
err |= __get_user (n_modulus, &rsa32->n_modulus);
if (err)
return -EFAULT;
rsa.inputdata = (char *)kmalloc(rsa.inputdatalength, GFP_KERNEL);
if (!rsa.inputdata) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.inputdata, (char *)(u64)(inputdata & 0x7fffffff),
rsa.inputdatalength)) {
err = -EFAULT;
goto cleanup;
}
rsa.outputdata = (char *)kmalloc(rsa.outputdatalength, GFP_KERNEL);
if (!rsa.outputdata) {
err = -ENOMEM;
goto cleanup;
}
rsa.b_key = (char *)kmalloc(rsa.inputdatalength, GFP_KERNEL);
if (!rsa.b_key) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.b_key, (char *)(u64)(b_key & 0x7fffffff),
rsa.inputdatalength)) {
err = -EFAULT;
goto cleanup;
}
rsa.n_modulus = (char *)kmalloc(rsa.inputdatalength, GFP_KERNEL);
if (!rsa.n_modulus) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.n_modulus, (char *)(u64)(n_modulus & 0x7fffffff),
rsa.inputdatalength)) {
err = -EFAULT;
goto cleanup;
}
set_fs(KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&rsa);
set_fs(old_fs);
if (err < 0)
goto cleanup;
if (copy_to_user((char *)(u64)(outputdata & 0x7fffffff), rsa.outputdata,
rsa.outputdatalength))
err = -EFAULT;
cleanup:
if (rsa.inputdata)
kfree(rsa.inputdata);
if (rsa.outputdata)
kfree(rsa.outputdata);
if (rsa.b_key)
kfree(rsa.b_key);
if (rsa.n_modulus)
kfree(rsa.n_modulus);
return err;
}
static int do_rsa_crt_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
int err = 0;
ica_rsa_modexpo_crt_t rsa;
ica_rsa_modexpo_crt_32_t *rsa32 = (ica_rsa_modexpo_crt_32_t *)arg;
u32 inputdata, outputdata, bp_key, bq_key, np_prime, nq_prime, u_mult_inv;
memset (&rsa, 0, sizeof(rsa));
err |= __get_user (inputdata, &rsa32->inputdata);
err |= __get_user (rsa.inputdatalength, &rsa32->inputdatalength);
err |= __get_user (outputdata, &rsa32->outputdata);
err |= __get_user (rsa.outputdatalength, &rsa32->outputdatalength);
err |= __get_user (bp_key, &rsa32->bp_key);
err |= __get_user (bq_key, &rsa32->bq_key);
err |= __get_user (np_prime, &rsa32->np_prime);
err |= __get_user (nq_prime, &rsa32->nq_prime);
err |= __get_user (u_mult_inv, &rsa32->u_mult_inv);
if (err)
return -EFAULT;
rsa.inputdata = (char *)kmalloc(rsa.inputdatalength, GFP_KERNEL);
if (!rsa.inputdata) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.inputdata, (char *)(u64)(inputdata & 0x7fffffff),
rsa.inputdatalength)) {
err = -EFAULT;
goto cleanup;
}
rsa.outputdata = (char *)kmalloc(rsa.outputdatalength, GFP_KERNEL);
if (!rsa.outputdata) {
err = -ENOMEM;
goto cleanup;
}
rsa.bp_key = (char *)kmalloc(rsa.inputdatalength/2 + 8, GFP_KERNEL);
if (!rsa.bp_key) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.bp_key, (char *)(u64)(bp_key & 0x7fffffff),
rsa.inputdatalength/2 + 8)) {
err = -EFAULT;
goto cleanup;
}
rsa.bq_key = (char *)kmalloc(rsa.inputdatalength/2, GFP_KERNEL);
if (!rsa.bq_key) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.bq_key, (char *)(u64)(bq_key & 0x7fffffff),
rsa.inputdatalength/2)) {
err = -EFAULT;
goto cleanup;
}
rsa.np_prime = (char *)kmalloc(rsa.inputdatalength/2 + 8, GFP_KERNEL);
if (!rsa.np_prime) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.np_prime, (char *)(u64)(np_prime & 0x7fffffff),
rsa.inputdatalength/2 + 8)) {
err = -EFAULT;
goto cleanup;
}
rsa.nq_prime = (char *)kmalloc(rsa.inputdatalength/2, GFP_KERNEL);
if (!rsa.nq_prime) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.nq_prime, (char *)(u64)(nq_prime & 0x7fffffff),
rsa.inputdatalength/2)) {
err = -EFAULT;
goto cleanup;
}
rsa.u_mult_inv = (char *)kmalloc(rsa.inputdatalength/2 + 8, GFP_KERNEL);
if (!rsa.u_mult_inv) {
err = -ENOMEM;
goto cleanup;
}
if (copy_from_user(rsa.u_mult_inv, (char *)(u64)(u_mult_inv & 0x7fffffff),
rsa.inputdatalength/2 + 8)) {
err = -EFAULT;
goto cleanup;
}
set_fs(KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&rsa);
set_fs(old_fs);
if (err < 0)
goto cleanup;
if (copy_to_user((char *)(u64)(outputdata & 0x7fffffff), rsa.outputdata,
rsa.outputdatalength))
err = -EFAULT;
cleanup:
if (rsa.inputdata)
kfree(rsa.inputdata);
if (rsa.outputdata)
kfree(rsa.outputdata);
if (rsa.bp_key)
kfree(rsa.bp_key);
if (rsa.bq_key)
kfree(rsa.bq_key);
if (rsa.np_prime)
kfree(rsa.np_prime);
if (rsa.nq_prime)
kfree(rsa.nq_prime);
if (rsa.u_mult_inv)
kfree(rsa.u_mult_inv);
return err;
}
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((unsigned int) val, (u32 *)arg))
return -EFAULT;
return err;
}
struct ioctl32_handler {
unsigned int cmd;
int (*function)(unsigned int, unsigned int, unsigned long);
};
struct ioctl32_list {
struct ioctl32_handler handler;
struct ioctl32_list *next;
};
#define IOCTL32_DEFAULT(cmd) { { cmd, (void *) sys_ioctl }, 0 }
#define IOCTL32_HANDLER(cmd, handler) { { cmd, (void *) handler }, 0 }
static struct ioctl32_list ioctl32_handler_table[] = {
IOCTL32_DEFAULT(FIBMAP),
IOCTL32_DEFAULT(FIGETBSZ),
IOCTL32_DEFAULT(DASDAPIVER),
IOCTL32_DEFAULT(BIODASDDISABLE),
IOCTL32_DEFAULT(BIODASDENABLE),
IOCTL32_DEFAULT(BIODASDRSRV),
IOCTL32_DEFAULT(BIODASDRLSE),
IOCTL32_DEFAULT(BIODASDSLCK),
IOCTL32_DEFAULT(BIODASDINFO),
IOCTL32_DEFAULT(BIODASDFMT),
IOCTL32_DEFAULT(TAPE390_DISPLAY),
IOCTL32_DEFAULT(BLKROSET),
IOCTL32_DEFAULT(BLKROGET),
IOCTL32_DEFAULT(BLKRRPART),
IOCTL32_DEFAULT(BLKFLSBUF),
IOCTL32_DEFAULT(BLKRASET),
IOCTL32_DEFAULT(BLKFRASET),
IOCTL32_DEFAULT(BLKSECTSET),
IOCTL32_DEFAULT(BLKSSZGET),
IOCTL32_DEFAULT(BLKBSZGET),
IOCTL32_DEFAULT(BLKGETSIZE64),
IOCTL32_HANDLER(HDIO_GETGEO, hd_geometry_ioctl),
IOCTL32_DEFAULT(TCGETA),
IOCTL32_DEFAULT(TCSETA),
IOCTL32_DEFAULT(TCSETAW),
IOCTL32_DEFAULT(TCSETAF),
IOCTL32_DEFAULT(TCSBRK),
IOCTL32_DEFAULT(TCXONC),
IOCTL32_DEFAULT(TCFLSH),
IOCTL32_DEFAULT(TCGETS),
IOCTL32_DEFAULT(TCSETS),
IOCTL32_DEFAULT(TCSETSW),
IOCTL32_DEFAULT(TCSETSF),
IOCTL32_DEFAULT(TIOCLINUX),
IOCTL32_DEFAULT(TIOCGETD),
IOCTL32_DEFAULT(TIOCSETD),
IOCTL32_DEFAULT(TIOCEXCL),
IOCTL32_DEFAULT(TIOCNXCL),
IOCTL32_DEFAULT(TIOCCONS),
IOCTL32_DEFAULT(TIOCGSOFTCAR),
IOCTL32_DEFAULT(TIOCSSOFTCAR),
IOCTL32_DEFAULT(TIOCSWINSZ),
IOCTL32_DEFAULT(TIOCGWINSZ),
IOCTL32_DEFAULT(TIOCMGET),
IOCTL32_DEFAULT(TIOCMBIC),
IOCTL32_DEFAULT(TIOCMBIS),
IOCTL32_DEFAULT(TIOCMSET),
IOCTL32_DEFAULT(TIOCPKT),
IOCTL32_DEFAULT(TIOCNOTTY),
IOCTL32_DEFAULT(TIOCSTI),
IOCTL32_DEFAULT(TIOCOUTQ),
IOCTL32_DEFAULT(TIOCSPGRP),
IOCTL32_DEFAULT(TIOCGPGRP),
IOCTL32_DEFAULT(TIOCSCTTY),
IOCTL32_DEFAULT(TIOCGPTN),
IOCTL32_DEFAULT(TIOCSPTLCK),
IOCTL32_DEFAULT(TIOCGSERIAL),
IOCTL32_DEFAULT(TIOCSSERIAL),
IOCTL32_DEFAULT(TIOCSERGETLSR),
IOCTL32_DEFAULT(FIOCLEX),
IOCTL32_DEFAULT(FIONCLEX),
IOCTL32_DEFAULT(FIOASYNC),
IOCTL32_DEFAULT(FIONBIO),
IOCTL32_DEFAULT(FIONREAD),
IOCTL32_DEFAULT(PIO_FONT),
IOCTL32_DEFAULT(GIO_FONT),
IOCTL32_DEFAULT(KDSIGACCEPT),
IOCTL32_DEFAULT(KDGETKEYCODE),
IOCTL32_DEFAULT(KDSETKEYCODE),
IOCTL32_DEFAULT(KIOCSOUND),
IOCTL32_DEFAULT(KDMKTONE),
IOCTL32_DEFAULT(KDGKBTYPE),
IOCTL32_DEFAULT(KDSETMODE),
IOCTL32_DEFAULT(KDGETMODE),
IOCTL32_DEFAULT(KDSKBMODE),
IOCTL32_DEFAULT(KDGKBMODE),
IOCTL32_DEFAULT(KDSKBMETA),
IOCTL32_DEFAULT(KDGKBMETA),
IOCTL32_DEFAULT(KDGKBENT),
IOCTL32_DEFAULT(KDSKBENT),
IOCTL32_DEFAULT(KDGKBSENT),
IOCTL32_DEFAULT(KDSKBSENT),
IOCTL32_DEFAULT(KDGKBDIACR),
IOCTL32_DEFAULT(KDSKBDIACR),
IOCTL32_DEFAULT(KDGKBLED),
IOCTL32_DEFAULT(KDSKBLED),
IOCTL32_DEFAULT(KDGETLED),
IOCTL32_DEFAULT(KDSETLED),
IOCTL32_DEFAULT(GIO_SCRNMAP),
IOCTL32_DEFAULT(PIO_SCRNMAP),
IOCTL32_DEFAULT(GIO_UNISCRNMAP),
IOCTL32_DEFAULT(PIO_UNISCRNMAP),
IOCTL32_DEFAULT(PIO_FONTRESET),
IOCTL32_DEFAULT(PIO_UNIMAPCLR),
IOCTL32_DEFAULT(VT_SETMODE),
IOCTL32_DEFAULT(VT_GETMODE),
IOCTL32_DEFAULT(VT_GETSTATE),
IOCTL32_DEFAULT(VT_OPENQRY),
IOCTL32_DEFAULT(VT_ACTIVATE),
IOCTL32_DEFAULT(VT_WAITACTIVE),
IOCTL32_DEFAULT(VT_RELDISP),
IOCTL32_DEFAULT(VT_DISALLOCATE),
IOCTL32_DEFAULT(VT_RESIZE),
IOCTL32_DEFAULT(VT_RESIZEX),
IOCTL32_DEFAULT(VT_LOCKSWITCH),
IOCTL32_DEFAULT(VT_UNLOCKSWITCH),
IOCTL32_DEFAULT(SIOCGSTAMP),
IOCTL32_DEFAULT(DM_VERSION),
IOCTL32_DEFAULT(DM_REMOVE_ALL),
IOCTL32_DEFAULT(DM_DEV_CREATE),
IOCTL32_DEFAULT(DM_DEV_REMOVE),
IOCTL32_DEFAULT(DM_DEV_RELOAD),
IOCTL32_DEFAULT(DM_DEV_SUSPEND),
IOCTL32_DEFAULT(DM_DEV_RENAME),
IOCTL32_DEFAULT(DM_DEV_DEPS),
IOCTL32_DEFAULT(DM_DEV_STATUS),
IOCTL32_DEFAULT(DM_TARGET_STATUS),
IOCTL32_DEFAULT(DM_TARGET_WAIT),
IOCTL32_DEFAULT(LOOP_SET_FD),
IOCTL32_DEFAULT(LOOP_CLR_FD),
IOCTL32_HANDLER(SIOCGIFNAME, dev_ifname32),
IOCTL32_HANDLER(SIOCGIFCONF, dev_ifconf),
IOCTL32_HANDLER(SIOCGIFFLAGS, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFFLAGS, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFMETRIC, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFMETRIC, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFMTU, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFMTU, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFMEM, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFMEM, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFHWADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFHWADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCADDMULTI, dev_ifsioc),
IOCTL32_HANDLER(SIOCDELMULTI, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFINDEX, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFMAP, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFMAP, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFBRDADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFBRDADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFDSTADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFDSTADDR, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFNETMASK, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFNETMASK, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFPFLAGS, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFPFLAGS, dev_ifsioc),
IOCTL32_HANDLER(SIOCGIFTXQLEN, dev_ifsioc),
IOCTL32_HANDLER(SIOCSIFTXQLEN, dev_ifsioc),
IOCTL32_HANDLER(SIOCADDRT, routing_ioctl),
IOCTL32_HANDLER(SIOCDELRT, routing_ioctl),
IOCTL32_HANDLER(SIOCBONDENSLAVE, bond_ioctl),
IOCTL32_HANDLER(SIOCBONDRELEASE, bond_ioctl),
IOCTL32_HANDLER(SIOCBONDSETHWADDR, bond_ioctl),
IOCTL32_HANDLER(SIOCBONDSLAVEINFOQUERY, bond_ioctl),
IOCTL32_HANDLER(SIOCBONDINFOQUERY, bond_ioctl),
IOCTL32_HANDLER(SIOCBONDCHANGEACTIVE, bond_ioctl),
IOCTL32_HANDLER(EXT2_IOC32_GETFLAGS, do_ext2_ioctl),
IOCTL32_HANDLER(EXT2_IOC32_SETFLAGS, do_ext2_ioctl),
IOCTL32_HANDLER(EXT2_IOC32_GETVERSION, do_ext2_ioctl),
IOCTL32_HANDLER(EXT2_IOC32_SETVERSION, do_ext2_ioctl),
IOCTL32_HANDLER(LOOP_SET_STATUS, loop_status),
IOCTL32_HANDLER(LOOP_GET_STATUS, loop_status),
IOCTL32_HANDLER(ICARSAMODEXPO, do_rsa_ioctl),
IOCTL32_HANDLER(ICARSACRT, do_rsa_crt_ioctl),
IOCTL32_HANDLER(ICARSAMODMULT, do_rsa_ioctl),
IOCTL32_DEFAULT(ICAZ90STATUS),
IOCTL32_DEFAULT(ICAZ90QUIESCE),
IOCTL32_DEFAULT(ICAZ90HARDRESET),
IOCTL32_DEFAULT(ICAZ90HARDERROR),
IOCTL32_HANDLER(BLKRAGET, w_long),
IOCTL32_HANDLER(BLKGETSIZE, w_long),
IOCTL32_HANDLER(BLKFRAGET, w_long),
IOCTL32_HANDLER(BLKSECTGET, w_long),
IOCTL32_HANDLER(BLKPG, blkpg_ioctl_trans)
};
#define NR_IOCTL32_HANDLERS (sizeof(ioctl32_handler_table) / \
sizeof(ioctl32_handler_table[0]))
static struct ioctl32_list *ioctl32_hash_table[1024];
static inline int ioctl32_hash(unsigned int cmd)
{
return ((cmd >> 6) ^ (cmd >> 4) ^ cmd) & 0x3ff;
}
int sys32_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
int (*handler)(unsigned int, unsigned int, unsigned long, struct file * filp);
struct file *filp;
struct ioctl32_list *l;
int error;
l = ioctl32_hash_table[ioctl32_hash(cmd)];
error = -EBADF;
filp = fget(fd);
if (!filp)
return error;
if (!filp->f_op || !filp->f_op->ioctl) {
error = sys_ioctl (fd, cmd, arg);
goto out;
}
while (l && l->handler.cmd != cmd)
l = l->next;
if (l) {
handler = (void *)l->handler.function;
error = handler(fd, cmd, arg, filp);
} else {
error = -EINVAL;
printk("unknown ioctl: %08x\n", cmd);
}
out:
fput(filp);
return error;
}
static void ioctl32_insert(struct ioctl32_list *entry)
{
int hash = ioctl32_hash(entry->handler.cmd);
entry->next = 0;
if (!ioctl32_hash_table[hash])
ioctl32_hash_table[hash] = entry;
else {
struct ioctl32_list *l;
l = ioctl32_hash_table[hash];
while (l->next)
l = l->next;
l->next = entry;
}
}
int register_ioctl32_conversion(unsigned int cmd,
int (*handler)(unsigned int, unsigned int,
unsigned long, struct file *))
{
struct ioctl32_list *l, *new;
int hash;
hash = ioctl32_hash(cmd);
for (l = ioctl32_hash_table[hash]; l != NULL; l = l->next)
if (l->handler.cmd == cmd)
return -EBUSY;
new = kmalloc(sizeof(struct ioctl32_list), GFP_KERNEL);
if (new == NULL)
return -ENOMEM;
new->handler.cmd = cmd;
new->handler.function = (void *) handler;
ioctl32_insert(new);
return 0;
}
int unregister_ioctl32_conversion(unsigned int cmd)
{
struct ioctl32_list *p, *l;
int hash;
hash = ioctl32_hash(cmd);
p = NULL;
for (l = ioctl32_hash_table[hash]; l != NULL; l = l->next) {
if (l->handler.cmd == cmd)
break;
p = l;
}
if (l == NULL)
return -ENOENT;
if (p == NULL)
ioctl32_hash_table[hash] = l->next;
else
p->next = l->next;
kfree(l);
return 0;
}
static int __init init_ioctl32(void)
{
int i;
for (i = 0; i < NR_IOCTL32_HANDLERS; i++)
ioctl32_insert(&ioctl32_handler_table[i]);
return 0;
}
__initcall(init_ioctl32);