Beispiel #1
0
/* ARGSUSED */
static void
zil_prt_rec_create(zilog_t *zilog, int txtype, lr_create_t *lr)
{
	time_t crtime = lr->lr_crtime[0];
	char *name, *link;
	lr_attr_t *lrattr;

	name = (char *)(lr + 1);

	if (lr->lr_common.lrc_txtype == TX_CREATE_ATTR ||
	    lr->lr_common.lrc_txtype == TX_MKDIR_ATTR) {
		lrattr = (lr_attr_t *)(lr + 1);
		name += ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
	}

	if (txtype == TX_SYMLINK) {
		link = name + strlen(name) + 1;
		(void) printf("%s%s -> %s\n", prefix, name, link);
	} else if (txtype != TX_MKXATTR) {
		(void) printf("%s%s\n", prefix, name);
	}

	(void) printf("%s%s", prefix, ctime(&crtime));
	(void) printf("%sdoid %llu, foid %llu, slots %llu, mode %llo\n", prefix,
	    (u_longlong_t)lr->lr_doid,
	    (u_longlong_t)LR_FOID_GET_OBJ(lr->lr_foid),
	    (u_longlong_t)LR_FOID_GET_SLOTS(lr->lr_foid),
	    (longlong_t)lr->lr_mode);
	(void) printf("%suid %llu, gid %llu, gen %llu, rdev 0x%llx\n", prefix,
	    (u_longlong_t)lr->lr_uid, (u_longlong_t)lr->lr_gid,
	    (u_longlong_t)lr->lr_gen, (u_longlong_t)lr->lr_rdev);
}
Beispiel #2
0
static int
zfs_replay_create(zfsvfs_t *zfsvfs, lr_create_t *lr, boolean_t byteswap)
{
	char *name = NULL;		/* location determined later */
	char *link;			/* symlink content follows name */
	znode_t *dzp;
	struct inode *ip = NULL;
	xvattr_t xva;
	int vflg = 0;
	size_t lrsize = sizeof (lr_create_t);
	lr_attr_t *lrattr;
	void *start;
	size_t xvatlen;
	uint64_t txtype;
	uint64_t objid;
	uint64_t dnodesize;
	int error;

	txtype = (lr->lr_common.lrc_txtype & ~TX_CI);
	if (byteswap) {
		byteswap_uint64_array(lr, sizeof (*lr));
		if (txtype == TX_CREATE_ATTR || txtype == TX_MKDIR_ATTR)
			zfs_replay_swap_attrs((lr_attr_t *)(lr + 1));
	}


	if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
		return (error);

	objid = LR_FOID_GET_OBJ(lr->lr_foid);
	dnodesize = LR_FOID_GET_SLOTS(lr->lr_foid) << DNODE_SHIFT;

	xva_init(&xva);
	zfs_init_vattr(&xva.xva_vattr, ATTR_MODE | ATTR_UID | ATTR_GID,
	    lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, objid);

	/*
	 * All forms of zfs create (create, mkdir, mkxattrdir, symlink)
	 * eventually end up in zfs_mknode(), which assigns the object's
	 * creation time, generation number, and dnode slot count. The
	 * generic zfs_create() has no concept of these attributes, so
	 * we smuggle the values inside * the vattr's otherwise unused
	 * va_ctime, va_nblocks, and va_nlink fields.
	 */
	ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
	xva.xva_vattr.va_nblocks = lr->lr_gen;
	xva.xva_vattr.va_fsid = dnodesize;

	error = dmu_object_info(zfsvfs->z_os, objid, NULL);
	if (error != ENOENT)
		goto out;

	if (lr->lr_common.lrc_txtype & TX_CI)
		vflg |= FIGNORECASE;

	/*
	 * Symlinks don't have fuid info, and CIFS never creates
	 * symlinks.
	 *
	 * The _ATTR versions will grab the fuid info in their subcases.
	 */
	if ((int)lr->lr_common.lrc_txtype != TX_SYMLINK &&
	    (int)lr->lr_common.lrc_txtype != TX_MKDIR_ATTR &&
	    (int)lr->lr_common.lrc_txtype != TX_CREATE_ATTR) {
		start = (lr + 1);
		zfsvfs->z_fuid_replay =
		    zfs_replay_fuid_domain(start, &start,
		    lr->lr_uid, lr->lr_gid);
	}

	switch (txtype) {
	case TX_CREATE_ATTR:
		lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
		xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
		zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
		start = (caddr_t)(lr + 1) + xvatlen;
		zfsvfs->z_fuid_replay =
		    zfs_replay_fuid_domain(start, &start,
		    lr->lr_uid, lr->lr_gid);
		name = (char *)start;

		/*FALLTHROUGH*/
	case TX_CREATE:
		if (name == NULL)
			name = (char *)start;

		error = zfs_create(ZTOI(dzp), name, &xva.xva_vattr,
		    0, 0, &ip, kcred, vflg, NULL);
		break;
	case TX_MKDIR_ATTR:
		lrattr = (lr_attr_t *)(caddr_t)(lr + 1);
		xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
		zfs_replay_xvattr((lr_attr_t *)((caddr_t)lr + lrsize), &xva);
		start = (caddr_t)(lr + 1) + xvatlen;
		zfsvfs->z_fuid_replay =
		    zfs_replay_fuid_domain(start, &start,
		    lr->lr_uid, lr->lr_gid);
		name = (char *)start;

		/*FALLTHROUGH*/
	case TX_MKDIR:
		if (name == NULL)
			name = (char *)(lr + 1);

		error = zfs_mkdir(ZTOI(dzp), name, &xva.xva_vattr,
		    &ip, kcred, vflg, NULL);
		break;
	case TX_MKXATTR:
		error = zfs_make_xattrdir(dzp, &xva.xva_vattr, &ip, kcred);
		break;
	case TX_SYMLINK:
		name = (char *)(lr + 1);
		link = name + strlen(name) + 1;
		error = zfs_symlink(ZTOI(dzp), name, &xva.xva_vattr,
		    link, &ip, kcred, vflg);
		break;
	default:
		error = SET_ERROR(ENOTSUP);
	}

out:
	if (error == 0 && ip != NULL)
		iput(ip);

	iput(ZTOI(dzp));

	if (zfsvfs->z_fuid_replay)
		zfs_fuid_info_free(zfsvfs->z_fuid_replay);
	zfsvfs->z_fuid_replay = NULL;
	return (error);
}
Beispiel #3
0
/*
 * Replay file create with optional ACL, xvattr information as well
 * as option FUID information.
 */
static int
zfs_replay_create_acl(zfsvfs_t *zfsvfs,
    lr_acl_create_t *lracl, boolean_t byteswap)
{
	char *name = NULL;		/* location determined later */
	lr_create_t *lr = (lr_create_t *)lracl;
	znode_t *dzp;
	struct inode *ip = NULL;
	xvattr_t xva;
	int vflg = 0;
	vsecattr_t vsec = { 0 };
	lr_attr_t *lrattr;
	void *aclstart;
	void *fuidstart;
	size_t xvatlen = 0;
	uint64_t txtype;
	uint64_t objid;
	uint64_t dnodesize;
	int error;

	txtype = (lr->lr_common.lrc_txtype & ~TX_CI);
	if (byteswap) {
		byteswap_uint64_array(lracl, sizeof (*lracl));
		if (txtype == TX_CREATE_ACL_ATTR ||
		    txtype == TX_MKDIR_ACL_ATTR) {
			lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
			zfs_replay_swap_attrs(lrattr);
			xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
		}

		aclstart = (caddr_t)(lracl + 1) + xvatlen;
		zfs_ace_byteswap(aclstart, lracl->lr_acl_bytes, B_FALSE);
		/* swap fuids */
		if (lracl->lr_fuidcnt) {
			byteswap_uint64_array((caddr_t)aclstart +
			    ZIL_ACE_LENGTH(lracl->lr_acl_bytes),
			    lracl->lr_fuidcnt * sizeof (uint64_t));
		}
	}

	if ((error = zfs_zget(zfsvfs, lr->lr_doid, &dzp)) != 0)
		return (error);

	objid = LR_FOID_GET_OBJ(lr->lr_foid);
	dnodesize = LR_FOID_GET_SLOTS(lr->lr_foid) << DNODE_SHIFT;

	xva_init(&xva);
	zfs_init_vattr(&xva.xva_vattr, ATTR_MODE | ATTR_UID | ATTR_GID,
	    lr->lr_mode, lr->lr_uid, lr->lr_gid, lr->lr_rdev, objid);

	/*
	 * All forms of zfs create (create, mkdir, mkxattrdir, symlink)
	 * eventually end up in zfs_mknode(), which assigns the object's
	 * creation time, generation number, and dnode size. The generic
	 * zfs_create() has no concept of these attributes, so we smuggle
	 * the values inside the vattr's otherwise unused va_ctime,
	 * va_nblocks, and va_fsid fields.
	 */
	ZFS_TIME_DECODE(&xva.xva_vattr.va_ctime, lr->lr_crtime);
	xva.xva_vattr.va_nblocks = lr->lr_gen;
	xva.xva_vattr.va_fsid = dnodesize;

	error = dmu_object_info(zfsvfs->z_os, lr->lr_foid, NULL);
	if (error != ENOENT)
		goto bail;

	if (lr->lr_common.lrc_txtype & TX_CI)
		vflg |= FIGNORECASE;
	switch (txtype) {
	case TX_CREATE_ACL:
		aclstart = (caddr_t)(lracl + 1);
		fuidstart = (caddr_t)aclstart +
		    ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
		zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
		    (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
		    lr->lr_uid, lr->lr_gid);
		/*FALLTHROUGH*/
	case TX_CREATE_ACL_ATTR:
		if (name == NULL) {
			lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
			xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
			xva.xva_vattr.va_mask |= ATTR_XVATTR;
			zfs_replay_xvattr(lrattr, &xva);
		}
		vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
		vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
		vsec.vsa_aclcnt = lracl->lr_aclcnt;
		vsec.vsa_aclentsz = lracl->lr_acl_bytes;
		vsec.vsa_aclflags = lracl->lr_acl_flags;
		if (zfsvfs->z_fuid_replay == NULL) {
			fuidstart = (caddr_t)(lracl + 1) + xvatlen +
			    ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
			zfsvfs->z_fuid_replay =
			    zfs_replay_fuids(fuidstart,
			    (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
			    lr->lr_uid, lr->lr_gid);
		}

		error = zfs_create(ZTOI(dzp), name, &xva.xva_vattr,
		    0, 0, &ip, kcred, vflg, &vsec);
		break;
	case TX_MKDIR_ACL:
		aclstart = (caddr_t)(lracl + 1);
		fuidstart = (caddr_t)aclstart +
		    ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
		zfsvfs->z_fuid_replay = zfs_replay_fuids(fuidstart,
		    (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
		    lr->lr_uid, lr->lr_gid);
		/*FALLTHROUGH*/
	case TX_MKDIR_ACL_ATTR:
		if (name == NULL) {
			lrattr = (lr_attr_t *)(caddr_t)(lracl + 1);
			xvatlen = ZIL_XVAT_SIZE(lrattr->lr_attr_masksize);
			zfs_replay_xvattr(lrattr, &xva);
		}
		vsec.vsa_mask = VSA_ACE | VSA_ACE_ACLFLAGS;
		vsec.vsa_aclentp = (caddr_t)(lracl + 1) + xvatlen;
		vsec.vsa_aclcnt = lracl->lr_aclcnt;
		vsec.vsa_aclentsz = lracl->lr_acl_bytes;
		vsec.vsa_aclflags = lracl->lr_acl_flags;
		if (zfsvfs->z_fuid_replay == NULL) {
			fuidstart = (caddr_t)(lracl + 1) + xvatlen +
			    ZIL_ACE_LENGTH(lracl->lr_acl_bytes);
			zfsvfs->z_fuid_replay =
			    zfs_replay_fuids(fuidstart,
			    (void *)&name, lracl->lr_fuidcnt, lracl->lr_domcnt,
			    lr->lr_uid, lr->lr_gid);
		}
		error = zfs_mkdir(ZTOI(dzp), name, &xva.xva_vattr,
		    &ip, kcred, vflg, &vsec);
		break;
	default:
		error = SET_ERROR(ENOTSUP);
	}

bail:
	if (error == 0 && ip != NULL)
		iput(ip);

	iput(ZTOI(dzp));

	if (zfsvfs->z_fuid_replay)
		zfs_fuid_info_free(zfsvfs->z_fuid_replay);
	zfsvfs->z_fuid_replay = NULL;

	return (error);
}