- if (f.set & FB_CUR_SETCMAP) {
- if ((uint) f.size.y > 32)
- return -EINVAL;
- ret = copy_from_user (mask, A(m), f.size.y * 4);
- ret |= copy_from_user (image, A(i), f.size.y * 4);
- if (ret)
- return -EFAULT;
- f.image = image; f.mask = mask;
- }
- if (f.set & FB_CUR_SETCMAP) {
- ret = copy_from_user (red, A(r), 2);
- ret |= copy_from_user (green, A(g), 2);
- ret |= copy_from_user (blue, A(b), 2);
- if (ret)
- return -EFAULT;
- f.cmap.red = red; f.cmap.green = green; f.cmap.blue = blue;
- }
- set_fs (KERNEL_DS);
- ret = sys_ioctl (fd, FBIOSCURSOR, (long)&f);
- set_fs (old_fs);
- return ret;
-}
-
-struct ncp_ioctl_request_32 {
- unsigned int function;
- unsigned int size;
- compat_caddr_t data;
-};
-
-struct ncp_fs_info_v2_32 {
- int version;
- unsigned int mounted_uid;
- unsigned int connection;
- unsigned int buffer_size;
-
- unsigned int volume_number;
- __u32 directory_id;
-
- __u32 dummy1;
- __u32 dummy2;
- __u32 dummy3;
-};
-
-struct ncp_objectname_ioctl_32
-{
- int auth_type;
- unsigned int object_name_len;
- compat_caddr_t object_name; /* an userspace data, in most cases user name */
-};
-
-struct ncp_privatedata_ioctl_32
-{
- unsigned int len;
- compat_caddr_t data; /* ~1000 for NDS */
-};
-
-#define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct ncp_ioctl_request_32)
-
-#define NCP_IOC_GETMOUNTUID2_32 _IOW('n', 2, unsigned int)
-
-#define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct ncp_fs_info_v2_32)
-
-#define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct ncp_objectname_ioctl_32)
-#define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct ncp_objectname_ioctl_32)
-#define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct ncp_privatedata_ioctl_32)
-#define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct ncp_privatedata_ioctl_32)
-
-static int do_ncp_ncprequest(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct ncp_ioctl_request_32 n32;
- struct ncp_ioctl_request n;
- mm_segment_t old_fs;
- int err;
-
- if (copy_from_user(&n32, (struct ncp_ioctl_request_32*)arg,
- sizeof(n32)))
- return -EFAULT;
-
- n.function = n32.function;
- n.size = n32.size;
- if (n.size > 65536)
- return -EINVAL;
- n.data = vmalloc(65536); /* 65536 must be same as NCP_PACKET_SIZE_INTERNAL in ncpfs */
- if (!n.data)
- return -ENOMEM;
- err = -EFAULT;
- if (copy_from_user(n.data, A(n32.data), n.size))
- goto out;
-
- old_fs = get_fs(); set_fs (KERNEL_DS);
- err = sys_ioctl (fd, NCP_IOC_NCPREQUEST, (unsigned long)&n);
- set_fs (old_fs);
- if(err <= 0)
- goto out;
- if (err > 65536) {
- err = -EINVAL;
- goto out;
- }
- if (copy_to_user(A(n32.data), n.data, err)) {
- err = -EFAULT;
- goto out;
- }
- out:
- vfree(n.data);
- return err;
-}
-
-static int do_ncp_getmountuid2(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- mm_segment_t old_fs = get_fs();
- __kernel_uid_t kuid;
- int err;
-
- cmd = NCP_IOC_GETMOUNTUID2;
-
- set_fs(KERNEL_DS);
- err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
- set_fs(old_fs);
-
- if (!err)
- err = put_user(kuid, (unsigned int*)arg);
-
- return err;
-}
-
-static int do_ncp_getfsinfo2(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- mm_segment_t old_fs = get_fs();
- struct ncp_fs_info_v2_32 n32;
- struct ncp_fs_info_v2 n;
- int err;
-
- if (copy_from_user(&n32, (struct ncp_fs_info_v2_32*)arg, sizeof(n32)))
- return -EFAULT;
- if (n32.version != NCP_GET_FS_INFO_VERSION_V2)
- return -EINVAL;
- n.version = NCP_GET_FS_INFO_VERSION_V2;
-
- set_fs(KERNEL_DS);
- err = sys_ioctl(fd, NCP_IOC_GET_FS_INFO_V2, (unsigned long)&n);
- set_fs(old_fs);
-
- if (!err) {
- n32.version = n.version;
- n32.mounted_uid = n.mounted_uid;
- n32.connection = n.connection;
- n32.buffer_size = n.buffer_size;
- n32.volume_number = n.volume_number;
- n32.directory_id = n.directory_id;
- n32.dummy1 = n.dummy1;
- n32.dummy2 = n.dummy2;
- n32.dummy3 = n.dummy3;
- err = copy_to_user((struct ncp_fs_info_v2_32*)arg, &n32, sizeof(n32)) ? -EFAULT : 0;
- }
- return err;
-}
-
-static int do_ncp_getobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct ncp_objectname_ioctl_32 n32;
- struct ncp_objectname_ioctl n;
- mm_segment_t old_fs;
- int err;
- size_t tl;
-
- if (copy_from_user(&n32, (struct ncp_objectname_ioctl_32*)arg,
- sizeof(n32)))
- return -EFAULT;
-
- n.object_name_len = tl = n32.object_name_len;
- if (tl) {
- n.object_name = kmalloc(tl, GFP_KERNEL);
- if (!n.object_name)
- return -ENOMEM;
- } else {
- n.object_name = NULL;
- }
-
- old_fs = get_fs(); set_fs (KERNEL_DS);
- err = sys_ioctl (fd, NCP_IOC_GETOBJECTNAME, (unsigned long)&n);
- set_fs (old_fs);
- if(err)
- goto out;
-
- if (tl > n.object_name_len)
- tl = n.object_name_len;
-
- err = -EFAULT;
- if (tl && copy_to_user(A(n32.object_name), n.object_name, tl))
- goto out;
-
- n32.auth_type = n.auth_type;
- n32.object_name_len = n.object_name_len;
-
- if (copy_to_user((struct ncp_objectname_ioctl_32*)arg, &n32, sizeof(n32)))
- goto out;
-
- err = 0;
- out:
- if (n.object_name)
- kfree(n.object_name);
-
- return err;
-}
-
-static int do_ncp_setobjectname(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct ncp_objectname_ioctl_32 n32;
- struct ncp_objectname_ioctl n;
- mm_segment_t old_fs;
- int err;
- size_t tl;
-
- if (copy_from_user(&n32, (struct ncp_objectname_ioctl_32*)arg,
- sizeof(n32)))
- return -EFAULT;
-
- n.auth_type = n32.auth_type;
- n.object_name_len = tl = n32.object_name_len;
- if (tl) {
- n.object_name = kmalloc(tl, GFP_KERNEL);
- if (!n.object_name)
- return -ENOMEM;
- err = -EFAULT;
- if (copy_from_user(n.object_name, A(n32.object_name), tl))
- goto out;
- } else {
- n.object_name = NULL;
- }
-
- old_fs = get_fs(); set_fs (KERNEL_DS);
- err = sys_ioctl (fd, NCP_IOC_SETOBJECTNAME, (unsigned long)&n);
- set_fs (old_fs);
-
- out:
- if (n.object_name)
- kfree(n.object_name);
-
- return err;
-}
-
-static int do_ncp_getprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct ncp_privatedata_ioctl_32 n32;
- struct ncp_privatedata_ioctl n;
- mm_segment_t old_fs;
- int err;
- size_t tl;
-
- if (copy_from_user(&n32, (struct ncp_privatedata_ioctl_32*)arg,
- sizeof(n32)))
- return -EFAULT;
-
- n.len = tl = n32.len;
- if (tl) {
- n.data = kmalloc(tl, GFP_KERNEL);
- if (!n.data)
- return -ENOMEM;
- } else {
- n.data = NULL;
- }
-
- old_fs = get_fs(); set_fs (KERNEL_DS);
- err = sys_ioctl (fd, NCP_IOC_GETPRIVATEDATA, (unsigned long)&n);
- set_fs (old_fs);
- if(err)
- goto out;
-
- if (tl > n.len)
- tl = n.len;
-
- err = -EFAULT;
- if (tl && copy_to_user(A(n32.data), n.data, tl))
- goto out;
-
- n32.len = n.len;
-
- if (copy_to_user((struct ncp_privatedata_ioctl_32*)arg, &n32, sizeof(n32)))
- goto out;
-
- err = 0;
- out:
- if (n.data)
- kfree(n.data);
-
- return err;
-}
-
-static int do_ncp_setprivatedata(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
- struct ncp_privatedata_ioctl_32 n32;
- struct ncp_privatedata_ioctl n;
- mm_segment_t old_fs;
- int err;
- size_t tl;
-
- if (copy_from_user(&n32, (struct ncp_privatedata_ioctl_32*)arg,
- sizeof(n32)))
- return -EFAULT;
-
- n.len = tl = n32.len;
- if (tl) {
- n.data = kmalloc(tl, GFP_KERNEL);
- if (!n.data)
- return -ENOMEM;
- err = -EFAULT;
- if (copy_from_user(n.data, A(n32.data), tl))
- goto out;
- } else {
- n.data = NULL;
- }
-
- old_fs = get_fs(); set_fs (KERNEL_DS);
- err = sys_ioctl (fd, NCP_IOC_SETPRIVATEDATA, (unsigned long)&n);
- set_fs (old_fs);
-
- out:
- if (n.data)
- kfree(n.data);
-
- return err;