X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fxfs%2Flinux-2.6%2Fxfs_ioctl32.c;h=be1527b1670ccbb36e2dc1c963133efa75975405;hb=a539bd8c86549b545b4ed27a0cfaf53fe649054d;hp=5b91335e97dde262f93c01d5f72c9f563ec6ec88;hpb=547e00c3c681265b1fe5e34c7643f3ddac748ba0;p=safe%2Fjmp%2Flinux-2.6 diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index 5b91335..be1527b 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -16,148 +16,540 @@ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include -#include #include -#include -#include -#include +#include #include #include "xfs.h" -#include "xfs_types.h" #include "xfs_fs.h" -#include "xfs_vfs.h" +#include "xfs_bit.h" +#include "xfs_log.h" +#include "xfs_inum.h" +#include "xfs_trans.h" +#include "xfs_sb.h" +#include "xfs_ag.h" +#include "xfs_dir2.h" +#include "xfs_dmapi.h" +#include "xfs_mount.h" +#include "xfs_bmap_btree.h" +#include "xfs_attr_sf.h" +#include "xfs_dir2_sf.h" #include "xfs_vnode.h" +#include "xfs_dinode.h" +#include "xfs_inode.h" +#include "xfs_itable.h" +#include "xfs_error.h" #include "xfs_dfrag.h" +#include "xfs_vnodeops.h" +#include "xfs_fsops.h" +#include "xfs_alloc.h" +#include "xfs_rtalloc.h" +#include "xfs_attr.h" +#include "xfs_ioctl.h" +#include "xfs_ioctl32.h" +#include "xfs_trace.h" #define _NATIVE_IOC(cmd, type) \ _IOC(_IOC_DIR(cmd), _IOC_TYPE(cmd), _IOC_NR(cmd), sizeof(type)) -#if defined(CONFIG_IA64) || defined(CONFIG_X86_64) -#define BROKEN_X86_ALIGNMENT -/* on ia32 l_start is on a 32-bit boundary */ -typedef struct xfs_flock64_32 { - __s16 l_type; - __s16 l_whence; - __s64 l_start __attribute__((packed)); - /* len == 0 means until end of file */ - __s64 l_len __attribute__((packed)); - __s32 l_sysid; - __u32 l_pid; - __s32 l_pad[4]; /* reserve area */ -} xfs_flock64_32_t; - -#define XFS_IOC_ALLOCSP_32 _IOW ('X', 10, struct xfs_flock64_32) -#define XFS_IOC_FREESP_32 _IOW ('X', 11, struct xfs_flock64_32) -#define XFS_IOC_ALLOCSP64_32 _IOW ('X', 36, struct xfs_flock64_32) -#define XFS_IOC_FREESP64_32 _IOW ('X', 37, struct xfs_flock64_32) -#define XFS_IOC_RESVSP_32 _IOW ('X', 40, struct xfs_flock64_32) -#define XFS_IOC_UNRESVSP_32 _IOW ('X', 41, struct xfs_flock64_32) -#define XFS_IOC_RESVSP64_32 _IOW ('X', 42, struct xfs_flock64_32) -#define XFS_IOC_UNRESVSP64_32 _IOW ('X', 43, struct xfs_flock64_32) - -/* just account for different alignment */ -STATIC unsigned long -xfs_ioctl32_flock( - unsigned long arg) +#ifdef BROKEN_X86_ALIGNMENT +STATIC int +xfs_compat_flock64_copyin( + xfs_flock64_t *bf, + compat_xfs_flock64_t __user *arg32) +{ + if (get_user(bf->l_type, &arg32->l_type) || + get_user(bf->l_whence, &arg32->l_whence) || + get_user(bf->l_start, &arg32->l_start) || + get_user(bf->l_len, &arg32->l_len) || + get_user(bf->l_sysid, &arg32->l_sysid) || + get_user(bf->l_pid, &arg32->l_pid) || + copy_from_user(bf->l_pad, &arg32->l_pad, 4*sizeof(u32))) + return -XFS_ERROR(EFAULT); + return 0; +} + +STATIC int +xfs_compat_ioc_fsgeometry_v1( + struct xfs_mount *mp, + compat_xfs_fsop_geom_v1_t __user *arg32) +{ + xfs_fsop_geom_t fsgeo; + int error; + + error = xfs_fs_geometry(mp, &fsgeo, 3); + if (error) + return -error; + /* The 32-bit variant simply has some padding at the end */ + if (copy_to_user(arg32, &fsgeo, sizeof(struct compat_xfs_fsop_geom_v1))) + return -XFS_ERROR(EFAULT); + return 0; +} + +STATIC int +xfs_compat_growfs_data_copyin( + struct xfs_growfs_data *in, + compat_xfs_growfs_data_t __user *arg32) +{ + if (get_user(in->newblocks, &arg32->newblocks) || + get_user(in->imaxpct, &arg32->imaxpct)) + return -XFS_ERROR(EFAULT); + return 0; +} + +STATIC int +xfs_compat_growfs_rt_copyin( + struct xfs_growfs_rt *in, + compat_xfs_growfs_rt_t __user *arg32) { - xfs_flock64_32_t __user *p32 = (void __user *)arg; - xfs_flock64_t __user *p = compat_alloc_user_space(sizeof(*p)); - - if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) || - copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) || - copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) || - copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) || - copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) || - copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || - copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) - return -EFAULT; - - return (unsigned long)p; + if (get_user(in->newblocks, &arg32->newblocks) || + get_user(in->extsize, &arg32->extsize)) + return -XFS_ERROR(EFAULT); + return 0; } -typedef struct compat_xfs_fsop_geom_v1 { - __u32 blocksize; /* filesystem (data) block size */ - __u32 rtextsize; /* realtime extent size */ - __u32 agblocks; /* fsblocks in an AG */ - __u32 agcount; /* number of allocation groups */ - __u32 logblocks; /* fsblocks in the log */ - __u32 sectsize; /* (data) sector size, bytes */ - __u32 inodesize; /* inode size in bytes */ - __u32 imaxpct; /* max allowed inode space(%) */ - __u64 datablocks; /* fsblocks in data subvolume */ - __u64 rtblocks; /* fsblocks in realtime subvol */ - __u64 rtextents; /* rt extents in realtime subvol*/ - __u64 logstart; /* starting fsblock of the log */ - unsigned char uuid[16]; /* unique id of the filesystem */ - __u32 sunit; /* stripe unit, fsblocks */ - __u32 swidth; /* stripe width, fsblocks */ - __s32 version; /* structure version */ - __u32 flags; /* superblock version flags */ - __u32 logsectsize; /* log sector size, bytes */ - __u32 rtsectsize; /* realtime sector size, bytes */ - __u32 dirblocksize; /* directory block size, bytes */ -} __attribute__((packed)) compat_xfs_fsop_geom_v1_t; - -#define XFS_IOC_FSGEOMETRY_V1_32 \ - _IOR ('X', 100, struct compat_xfs_fsop_geom_v1) - -STATIC unsigned long xfs_ioctl32_geom_v1(unsigned long arg) +STATIC int +xfs_inumbers_fmt_compat( + void __user *ubuffer, + const xfs_inogrp_t *buffer, + long count, + long *written) { - compat_xfs_fsop_geom_v1_t __user *p32 = (void __user *)arg; - xfs_fsop_geom_v1_t __user *p = compat_alloc_user_space(sizeof(*p)); + compat_xfs_inogrp_t __user *p32 = ubuffer; + long i; - if (copy_in_user(p, p32, sizeof(*p32))) - return -EFAULT; - return (unsigned long)p; + for (i = 0; i < count; i++) { + if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) || + put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) || + put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask)) + return -XFS_ERROR(EFAULT); + } + *written = count * sizeof(*p32); + return 0; } #else +#define xfs_inumbers_fmt_compat xfs_inumbers_fmt +#endif /* BROKEN_X86_ALIGNMENT */ + +STATIC int +xfs_ioctl32_bstime_copyin( + xfs_bstime_t *bstime, + compat_xfs_bstime_t __user *bstime32) +{ + compat_time_t sec32; /* tv_sec differs on 64 vs. 32 */ + + if (get_user(sec32, &bstime32->tv_sec) || + get_user(bstime->tv_nsec, &bstime32->tv_nsec)) + return -XFS_ERROR(EFAULT); + bstime->tv_sec = sec32; + return 0; +} + +/* xfs_bstat_t has differing alignment on intel, & bstime_t sizes everywhere */ +STATIC int +xfs_ioctl32_bstat_copyin( + xfs_bstat_t *bstat, + compat_xfs_bstat_t __user *bstat32) +{ + if (get_user(bstat->bs_ino, &bstat32->bs_ino) || + get_user(bstat->bs_mode, &bstat32->bs_mode) || + get_user(bstat->bs_nlink, &bstat32->bs_nlink) || + get_user(bstat->bs_uid, &bstat32->bs_uid) || + get_user(bstat->bs_gid, &bstat32->bs_gid) || + get_user(bstat->bs_rdev, &bstat32->bs_rdev) || + get_user(bstat->bs_blksize, &bstat32->bs_blksize) || + get_user(bstat->bs_size, &bstat32->bs_size) || + xfs_ioctl32_bstime_copyin(&bstat->bs_atime, &bstat32->bs_atime) || + xfs_ioctl32_bstime_copyin(&bstat->bs_mtime, &bstat32->bs_mtime) || + xfs_ioctl32_bstime_copyin(&bstat->bs_ctime, &bstat32->bs_ctime) || + get_user(bstat->bs_blocks, &bstat32->bs_size) || + get_user(bstat->bs_xflags, &bstat32->bs_size) || + get_user(bstat->bs_extsize, &bstat32->bs_extsize) || + get_user(bstat->bs_extents, &bstat32->bs_extents) || + get_user(bstat->bs_gen, &bstat32->bs_gen) || + get_user(bstat->bs_projid, &bstat32->bs_projid) || + get_user(bstat->bs_dmevmask, &bstat32->bs_dmevmask) || + get_user(bstat->bs_dmstate, &bstat32->bs_dmstate) || + get_user(bstat->bs_aextents, &bstat32->bs_aextents)) + return -XFS_ERROR(EFAULT); + return 0; +} + +/* XFS_IOC_FSBULKSTAT and friends */ + +STATIC int +xfs_bstime_store_compat( + compat_xfs_bstime_t __user *p32, + const xfs_bstime_t *p) +{ + __s32 sec32; + + sec32 = p->tv_sec; + if (put_user(sec32, &p32->tv_sec) || + put_user(p->tv_nsec, &p32->tv_nsec)) + return -XFS_ERROR(EFAULT); + return 0; +} + +/* Return 0 on success or positive error (to xfs_bulkstat()) */ +STATIC int +xfs_bulkstat_one_fmt_compat( + void __user *ubuffer, + int ubsize, + int *ubused, + const xfs_bstat_t *buffer) +{ + compat_xfs_bstat_t __user *p32 = ubuffer; + + if (ubsize < sizeof(*p32)) + return XFS_ERROR(ENOMEM); -typedef struct xfs_fsop_bulkreq32 { - compat_uptr_t lastip; /* last inode # pointer */ - __s32 icount; /* count of entries in buffer */ - compat_uptr_t ubuffer; /* user buffer for inode desc. */ - __s32 ocount; /* output count pointer */ -} xfs_fsop_bulkreq32_t; + if (put_user(buffer->bs_ino, &p32->bs_ino) || + put_user(buffer->bs_mode, &p32->bs_mode) || + put_user(buffer->bs_nlink, &p32->bs_nlink) || + put_user(buffer->bs_uid, &p32->bs_uid) || + put_user(buffer->bs_gid, &p32->bs_gid) || + put_user(buffer->bs_rdev, &p32->bs_rdev) || + put_user(buffer->bs_blksize, &p32->bs_blksize) || + put_user(buffer->bs_size, &p32->bs_size) || + xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) || + xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) || + xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) || + put_user(buffer->bs_blocks, &p32->bs_blocks) || + put_user(buffer->bs_xflags, &p32->bs_xflags) || + put_user(buffer->bs_extsize, &p32->bs_extsize) || + put_user(buffer->bs_extents, &p32->bs_extents) || + put_user(buffer->bs_gen, &p32->bs_gen) || + put_user(buffer->bs_projid, &p32->bs_projid) || + put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) || + put_user(buffer->bs_dmstate, &p32->bs_dmstate) || + put_user(buffer->bs_aextents, &p32->bs_aextents)) + return XFS_ERROR(EFAULT); + if (ubused) + *ubused = sizeof(*p32); + return 0; +} -STATIC unsigned long -xfs_ioctl32_bulkstat( - unsigned long arg) +STATIC int +xfs_bulkstat_one_compat( + xfs_mount_t *mp, /* mount point for filesystem */ + xfs_ino_t ino, /* inode number to get data for */ + void __user *buffer, /* buffer to place output in */ + int ubsize, /* size of buffer */ + void *private_data, /* my private data */ + xfs_daddr_t bno, /* starting bno of inode cluster */ + int *ubused, /* bytes used by me */ + void *dibuff, /* on-disk inode buffer */ + int *stat) /* BULKSTAT_RV_... */ +{ + return xfs_bulkstat_one_int(mp, ino, buffer, ubsize, + xfs_bulkstat_one_fmt_compat, bno, + ubused, dibuff, stat); +} + +/* copied from xfs_ioctl.c */ +STATIC int +xfs_compat_ioc_bulkstat( + xfs_mount_t *mp, + unsigned int cmd, + compat_xfs_fsop_bulkreq_t __user *p32) { - xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg; - xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p)); u32 addr; + xfs_fsop_bulkreq_t bulkreq; + int count; /* # of records returned */ + xfs_ino_t inlast; /* last inode number */ + int done; + int error; + + /* done = 1 if there are more stats to get and if bulkstat */ + /* should be called again (unused here, but used in dmapi) */ + + if (!capable(CAP_SYS_ADMIN)) + return -XFS_ERROR(EPERM); + + if (XFS_FORCED_SHUTDOWN(mp)) + return -XFS_ERROR(EIO); + + if (get_user(addr, &p32->lastip)) + return -XFS_ERROR(EFAULT); + bulkreq.lastip = compat_ptr(addr); + if (get_user(bulkreq.icount, &p32->icount) || + get_user(addr, &p32->ubuffer)) + return -XFS_ERROR(EFAULT); + bulkreq.ubuffer = compat_ptr(addr); + if (get_user(addr, &p32->ocount)) + return -XFS_ERROR(EFAULT); + bulkreq.ocount = compat_ptr(addr); + + if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) + return -XFS_ERROR(EFAULT); - if (get_user(addr, &p32->lastip) || - put_user(compat_ptr(addr), &p->lastip) || - copy_in_user(&p->icount, &p32->icount, sizeof(s32)) || - get_user(addr, &p32->ubuffer) || - put_user(compat_ptr(addr), &p->ubuffer) || - get_user(addr, &p32->ocount) || - put_user(compat_ptr(addr), &p->ocount)) - return -EFAULT; + if ((count = bulkreq.icount) <= 0) + return -XFS_ERROR(EINVAL); - return (unsigned long)p; + if (bulkreq.ubuffer == NULL) + return -XFS_ERROR(EINVAL); + + if (cmd == XFS_IOC_FSINUMBERS_32) { + error = xfs_inumbers(mp, &inlast, &count, + bulkreq.ubuffer, xfs_inumbers_fmt_compat); + } else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE_32) { + int res; + + error = xfs_bulkstat_one_compat(mp, inlast, bulkreq.ubuffer, + sizeof(compat_xfs_bstat_t), + NULL, 0, NULL, NULL, &res); + } else if (cmd == XFS_IOC_FSBULKSTAT_32) { + error = xfs_bulkstat(mp, &inlast, &count, + xfs_bulkstat_one_compat, NULL, + sizeof(compat_xfs_bstat_t), bulkreq.ubuffer, + BULKSTAT_FG_QUICK, &done); + } else + error = XFS_ERROR(EINVAL); + if (error) + return -error; + + if (bulkreq.ocount != NULL) { + if (copy_to_user(bulkreq.lastip, &inlast, + sizeof(xfs_ino_t))) + return -XFS_ERROR(EFAULT); + + if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) + return -XFS_ERROR(EFAULT); + } + + return 0; } -#endif -STATIC long -xfs_compat_ioctl( - int mode, - struct file *file, - unsigned cmd, - unsigned long arg) +STATIC int +xfs_compat_handlereq_copyin( + xfs_fsop_handlereq_t *hreq, + compat_xfs_fsop_handlereq_t __user *arg32) +{ + compat_xfs_fsop_handlereq_t hreq32; + + if (copy_from_user(&hreq32, arg32, sizeof(compat_xfs_fsop_handlereq_t))) + return -XFS_ERROR(EFAULT); + + hreq->fd = hreq32.fd; + hreq->path = compat_ptr(hreq32.path); + hreq->oflags = hreq32.oflags; + hreq->ihandle = compat_ptr(hreq32.ihandle); + hreq->ihandlen = hreq32.ihandlen; + hreq->ohandle = compat_ptr(hreq32.ohandle); + hreq->ohandlen = compat_ptr(hreq32.ohandlen); + + return 0; +} + +STATIC struct dentry * +xfs_compat_handlereq_to_dentry( + struct file *parfilp, + compat_xfs_fsop_handlereq_t *hreq) +{ + return xfs_handle_to_dentry(parfilp, + compat_ptr(hreq->ihandle), hreq->ihandlen); +} + +STATIC int +xfs_compat_attrlist_by_handle( + struct file *parfilp, + void __user *arg) +{ + int error; + attrlist_cursor_kern_t *cursor; + compat_xfs_fsop_attrlist_handlereq_t al_hreq; + struct dentry *dentry; + char *kbuf; + + if (!capable(CAP_SYS_ADMIN)) + return -XFS_ERROR(EPERM); + if (copy_from_user(&al_hreq, arg, + sizeof(compat_xfs_fsop_attrlist_handlereq_t))) + return -XFS_ERROR(EFAULT); + if (al_hreq.buflen > XATTR_LIST_MAX) + return -XFS_ERROR(EINVAL); + + /* + * Reject flags, only allow namespaces. + */ + if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE)) + return -XFS_ERROR(EINVAL); + + dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + + error = -ENOMEM; + kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL); + if (!kbuf) + goto out_dput; + + cursor = (attrlist_cursor_kern_t *)&al_hreq.pos; + error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen, + al_hreq.flags, cursor); + if (error) + goto out_kfree; + + if (copy_to_user(compat_ptr(al_hreq.buffer), kbuf, al_hreq.buflen)) + error = -EFAULT; + + out_kfree: + kfree(kbuf); + out_dput: + dput(dentry); + return error; +} + +STATIC int +xfs_compat_attrmulti_by_handle( + struct file *parfilp, + void __user *arg) +{ + int error; + compat_xfs_attr_multiop_t *ops; + compat_xfs_fsop_attrmulti_handlereq_t am_hreq; + struct dentry *dentry; + unsigned int i, size; + char *attr_name; + + if (!capable(CAP_SYS_ADMIN)) + return -XFS_ERROR(EPERM); + if (copy_from_user(&am_hreq, arg, + sizeof(compat_xfs_fsop_attrmulti_handlereq_t))) + return -XFS_ERROR(EFAULT); + + dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + + error = E2BIG; + size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t); + if (!size || size > 16 * PAGE_SIZE) + goto out_dput; + + ops = memdup_user(compat_ptr(am_hreq.ops), size); + if (IS_ERR(ops)) { + error = PTR_ERR(ops); + goto out_dput; + } + + attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL); + if (!attr_name) + goto out_kfree_ops; + + error = 0; + for (i = 0; i < am_hreq.opcount; i++) { + ops[i].am_error = strncpy_from_user(attr_name, + compat_ptr(ops[i].am_attrname), + MAXNAMELEN); + if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN) + error = -ERANGE; + if (ops[i].am_error < 0) + break; + + switch (ops[i].am_opcode) { + case ATTR_OP_GET: + ops[i].am_error = xfs_attrmulti_attr_get( + dentry->d_inode, attr_name, + compat_ptr(ops[i].am_attrvalue), + &ops[i].am_length, ops[i].am_flags); + break; + case ATTR_OP_SET: + ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); + if (ops[i].am_error) + break; + ops[i].am_error = xfs_attrmulti_attr_set( + dentry->d_inode, attr_name, + compat_ptr(ops[i].am_attrvalue), + ops[i].am_length, ops[i].am_flags); + mnt_drop_write(parfilp->f_path.mnt); + break; + case ATTR_OP_REMOVE: + ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); + if (ops[i].am_error) + break; + ops[i].am_error = xfs_attrmulti_attr_remove( + dentry->d_inode, attr_name, + ops[i].am_flags); + mnt_drop_write(parfilp->f_path.mnt); + break; + default: + ops[i].am_error = EINVAL; + } + } + + if (copy_to_user(compat_ptr(am_hreq.ops), ops, size)) + error = XFS_ERROR(EFAULT); + + kfree(attr_name); + out_kfree_ops: + kfree(ops); + out_dput: + dput(dentry); + return -error; +} + +STATIC int +xfs_compat_fssetdm_by_handle( + struct file *parfilp, + void __user *arg) +{ + int error; + struct fsdmidata fsd; + compat_xfs_fsop_setdm_handlereq_t dmhreq; + struct dentry *dentry; + + if (!capable(CAP_MKNOD)) + return -XFS_ERROR(EPERM); + if (copy_from_user(&dmhreq, arg, + sizeof(compat_xfs_fsop_setdm_handlereq_t))) + return -XFS_ERROR(EFAULT); + + dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq); + if (IS_ERR(dentry)) + return PTR_ERR(dentry); + + if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) { + error = -XFS_ERROR(EPERM); + goto out; + } + + if (copy_from_user(&fsd, compat_ptr(dmhreq.data), sizeof(fsd))) { + error = -XFS_ERROR(EFAULT); + goto out; + } + + error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask, + fsd.fsd_dmstate); + +out: + dput(dentry); + return error; +} + +long +xfs_file_compat_ioctl( + struct file *filp, + unsigned cmd, + unsigned long p) { - struct inode *inode = file->f_path.dentry->d_inode; - bhv_vnode_t *vp = vn_from_inode(inode); - int error; + struct inode *inode = filp->f_path.dentry->d_inode; + struct xfs_inode *ip = XFS_I(inode); + struct xfs_mount *mp = ip->i_mount; + void __user *arg = (void __user *)p; + int ioflags = 0; + int error; + + if (filp->f_mode & FMODE_NOCMTIME) + ioflags |= IO_INVIS; + + xfs_itrace_entry(ip); switch (cmd) { + /* No size or alignment issues on any arch */ case XFS_IOC_DIOINFO: case XFS_IOC_FSGEOMETRY: - case XFS_IOC_GETVERSION: - case XFS_IOC_GETXFLAGS: - case XFS_IOC_SETXFLAGS: case XFS_IOC_FSGETXATTR: case XFS_IOC_FSSETXATTR: case XFS_IOC_FSGETXATTRA: @@ -165,48 +557,16 @@ xfs_compat_ioctl( case XFS_IOC_GETBMAP: case XFS_IOC_GETBMAPA: case XFS_IOC_GETBMAPX: -/* not handled - case XFS_IOC_FD_TO_HANDLE: - case XFS_IOC_PATH_TO_HANDLE: - case XFS_IOC_PATH_TO_FSHANDLE: - case XFS_IOC_OPEN_BY_HANDLE: - case XFS_IOC_FSSETDM_BY_HANDLE: - case XFS_IOC_READLINK_BY_HANDLE: - case XFS_IOC_ATTRLIST_BY_HANDLE: - case XFS_IOC_ATTRMULTI_BY_HANDLE: -*/ case XFS_IOC_FSCOUNTS: case XFS_IOC_SET_RESBLKS: case XFS_IOC_GET_RESBLKS: - case XFS_IOC_FSGROWFSDATA: case XFS_IOC_FSGROWFSLOG: - case XFS_IOC_FSGROWFSRT: - case XFS_IOC_FREEZE: - case XFS_IOC_THAW: case XFS_IOC_GOINGDOWN: case XFS_IOC_ERROR_INJECTION: case XFS_IOC_ERROR_CLEARALL: - break; - -#ifdef BROKEN_X86_ALIGNMENT - /* xfs_flock_t has wrong u32 vs u64 alignment */ - case XFS_IOC_ALLOCSP_32: - case XFS_IOC_FREESP_32: - case XFS_IOC_ALLOCSP64_32: - case XFS_IOC_FREESP64_32: - case XFS_IOC_RESVSP_32: - case XFS_IOC_UNRESVSP_32: - case XFS_IOC_RESVSP64_32: - case XFS_IOC_UNRESVSP64_32: - arg = xfs_ioctl32_flock(arg); - cmd = _NATIVE_IOC(cmd, struct xfs_flock64); - break; - case XFS_IOC_FSGEOMETRY_V1_32: - arg = xfs_ioctl32_geom_v1(arg); - cmd = _NATIVE_IOC(cmd, struct xfs_fsop_geom_v1); - break; - -#else /* These are handled fine if no alignment issues */ + return xfs_file_ioctl(filp, cmd, p); +#ifndef BROKEN_X86_ALIGNMENT + /* These are handled fine if no alignment issues */ case XFS_IOC_ALLOCSP: case XFS_IOC_FREESP: case XFS_IOC_RESVSP: @@ -216,42 +576,97 @@ xfs_compat_ioctl( case XFS_IOC_RESVSP64: case XFS_IOC_UNRESVSP64: case XFS_IOC_FSGEOMETRY_V1: - break; + case XFS_IOC_FSGROWFSDATA: + case XFS_IOC_FSGROWFSRT: + return xfs_file_ioctl(filp, cmd, p); +#else + case XFS_IOC_ALLOCSP_32: + case XFS_IOC_FREESP_32: + case XFS_IOC_ALLOCSP64_32: + case XFS_IOC_FREESP64_32: + case XFS_IOC_RESVSP_32: + case XFS_IOC_UNRESVSP_32: + case XFS_IOC_RESVSP64_32: + case XFS_IOC_UNRESVSP64_32: { + struct xfs_flock64 bf; - /* xfs_bstat_t still has wrong u32 vs u64 alignment */ - case XFS_IOC_SWAPEXT: - break; + if (xfs_compat_flock64_copyin(&bf, arg)) + return -XFS_ERROR(EFAULT); + cmd = _NATIVE_IOC(cmd, struct xfs_flock64); + return xfs_ioc_space(ip, inode, filp, ioflags, cmd, &bf); + } + case XFS_IOC_FSGEOMETRY_V1_32: + return xfs_compat_ioc_fsgeometry_v1(mp, arg); + case XFS_IOC_FSGROWFSDATA_32: { + struct xfs_growfs_data in; - case XFS_IOC_FSBULKSTAT_SINGLE: - case XFS_IOC_FSBULKSTAT: - case XFS_IOC_FSINUMBERS: - arg = xfs_ioctl32_bulkstat(arg); - break; -#endif - default: - return -ENOIOCTLCMD; + if (xfs_compat_growfs_data_copyin(&in, arg)) + return -XFS_ERROR(EFAULT); + error = xfs_growfs_data(mp, &in); + return -error; } + case XFS_IOC_FSGROWFSRT_32: { + struct xfs_growfs_rt in; - error = bhv_vop_ioctl(vp, inode, file, mode, cmd, (void __user *)arg); - VMODIFY(vp); + if (xfs_compat_growfs_rt_copyin(&in, arg)) + return -XFS_ERROR(EFAULT); + error = xfs_growfs_rt(mp, &in); + return -error; + } +#endif + /* long changes size, but xfs only copiese out 32 bits */ + case XFS_IOC_GETXFLAGS_32: + case XFS_IOC_SETXFLAGS_32: + case XFS_IOC_GETVERSION_32: + cmd = _NATIVE_IOC(cmd, long); + return xfs_file_ioctl(filp, cmd, p); + case XFS_IOC_SWAPEXT_32: { + struct xfs_swapext sxp; + struct compat_xfs_swapext __user *sxu = arg; - return error; -} + /* Bulk copy in up to the sx_stat field, then copy bstat */ + if (copy_from_user(&sxp, sxu, + offsetof(struct xfs_swapext, sx_stat)) || + xfs_ioctl32_bstat_copyin(&sxp.sx_stat, &sxu->sx_stat)) + return -XFS_ERROR(EFAULT); + error = xfs_swapext(&sxp); + return -error; + } + case XFS_IOC_FSBULKSTAT_32: + case XFS_IOC_FSBULKSTAT_SINGLE_32: + case XFS_IOC_FSINUMBERS_32: + return xfs_compat_ioc_bulkstat(mp, cmd, arg); + case XFS_IOC_FD_TO_HANDLE_32: + case XFS_IOC_PATH_TO_HANDLE_32: + case XFS_IOC_PATH_TO_FSHANDLE_32: { + struct xfs_fsop_handlereq hreq; -long -xfs_file_compat_ioctl( - struct file *file, - unsigned cmd, - unsigned long arg) -{ - return xfs_compat_ioctl(0, file, cmd, arg); -} + if (xfs_compat_handlereq_copyin(&hreq, arg)) + return -XFS_ERROR(EFAULT); + cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); + return xfs_find_handle(cmd, &hreq); + } + case XFS_IOC_OPEN_BY_HANDLE_32: { + struct xfs_fsop_handlereq hreq; -long -xfs_file_compat_invis_ioctl( - struct file *file, - unsigned cmd, - unsigned long arg) -{ - return xfs_compat_ioctl(IO_INVIS, file, cmd, arg); + if (xfs_compat_handlereq_copyin(&hreq, arg)) + return -XFS_ERROR(EFAULT); + return xfs_open_by_handle(filp, &hreq); + } + case XFS_IOC_READLINK_BY_HANDLE_32: { + struct xfs_fsop_handlereq hreq; + + if (xfs_compat_handlereq_copyin(&hreq, arg)) + return -XFS_ERROR(EFAULT); + return xfs_readlink_by_handle(filp, &hreq); + } + case XFS_IOC_ATTRLIST_BY_HANDLE_32: + return xfs_compat_attrlist_by_handle(filp, arg); + case XFS_IOC_ATTRMULTI_BY_HANDLE_32: + return xfs_compat_attrmulti_by_handle(filp, arg); + case XFS_IOC_FSSETDM_BY_HANDLE_32: + return xfs_compat_fssetdm_by_handle(filp, arg); + default: + return -XFS_ERROR(ENOIOCTLCMD); + } }