int
fuse_internal_fsync_callback(struct fuse_ticket *tick, struct uio *uio)
{
fuse_trace_printf_func();
if (tick->tk_aw_ohead.error == ENOSYS) {
fsess_set_notimpl(tick->tk_data->mp, fticket_opcode(tick));
}
return 0;
}
__private_extern__
int
fuse_internal_fsync_callback(struct fuse_ticket *ftick, __unused uio_t uio)
{
fuse_trace_printf_func();
if (ftick->tk_aw_ohead.error == ENOSYS) {
if (fticket_opcode(ftick) == FUSE_FSYNC) {
fuse_clear_implemented(ftick->tk_data, FSESS_NOIMPLBIT(FSYNC));
} else if (fticket_opcode(ftick) == FUSE_FSYNCDIR) {
fuse_clear_implemented(ftick->tk_data, FSESS_NOIMPLBIT(FSYNCDIR));
} else {
IOLog("MacFUSE: unexpected opcode in sync handling\n");
}
}
fuse_ticket_drop(ftick);
return 0;
}
static int
fuse_body_audit(struct fuse_ticket *ftick, size_t blen)
{
int err = 0;
enum fuse_opcode opcode;
debug_printf("ftick=%p, blen = %zu\n", ftick, blen);
opcode = fticket_opcode(ftick);
switch (opcode) {
case FUSE_LOOKUP:
err = (blen == sizeof(struct fuse_entry_out)) ? 0 : EINVAL;
break;
case FUSE_FORGET:
panic("FUSE: a handler has been intalled for FUSE_FORGET");
break;
case FUSE_GETATTR:
err = (blen == sizeof(struct fuse_attr_out)) ? 0 : EINVAL;
break;
case FUSE_SETATTR:
err = (blen == sizeof(struct fuse_attr_out)) ? 0 : EINVAL;
break;
case FUSE_READLINK:
err = (PAGE_SIZE >= blen) ? 0 : EINVAL;
break;
case FUSE_SYMLINK:
err = (blen == sizeof(struct fuse_entry_out)) ? 0 : EINVAL;
break;
case FUSE_MKNOD:
err = (blen == sizeof(struct fuse_entry_out)) ? 0 : EINVAL;
break;
case FUSE_MKDIR:
err = (blen == sizeof(struct fuse_entry_out)) ? 0 : EINVAL;
break;
case FUSE_UNLINK:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_RMDIR:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_RENAME:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_LINK:
err = (blen == sizeof(struct fuse_entry_out)) ? 0 : EINVAL;
break;
case FUSE_OPEN:
err = (blen == sizeof(struct fuse_open_out)) ? 0 : EINVAL;
break;
case FUSE_READ:
err = (((struct fuse_read_in *)(
(char *)ftick->tk_ms_fiov.base +
sizeof(struct fuse_in_header)
))->size >= blen) ? 0 : EINVAL;
break;
case FUSE_WRITE:
err = (blen == sizeof(struct fuse_write_out)) ? 0 : EINVAL;
break;
case FUSE_STATFS:
if (fuse_libabi_geq(ftick->tk_data, 7, 4)) {
err = (blen == sizeof(struct fuse_statfs_out)) ?
0 : EINVAL;
} else {
err = (blen == FUSE_COMPAT_STATFS_SIZE) ? 0 : EINVAL;
}
break;
case FUSE_RELEASE:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_FSYNC:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_SETXATTR:
panic("FUSE_SETXATTR implementor has forgotten to define a"
" response body format check");
break;
case FUSE_GETXATTR:
panic("FUSE_GETXATTR implementor has forgotten to define a"
" response body format check");
break;
case FUSE_LISTXATTR:
panic("FUSE_LISTXATTR implementor has forgotten to define a"
" response body format check");
break;
case FUSE_REMOVEXATTR:
panic("FUSE_REMOVEXATTR implementor has forgotten to define a"
" response body format check");
break;
case FUSE_FLUSH:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_INIT:
if (blen == sizeof(struct fuse_init_out) || blen == 8) {
err = 0;
} else {
err = EINVAL;
}
break;
case FUSE_OPENDIR:
err = (blen == sizeof(struct fuse_open_out)) ? 0 : EINVAL;
break;
case FUSE_READDIR:
err = (((struct fuse_read_in *)(
(char *)ftick->tk_ms_fiov.base +
sizeof(struct fuse_in_header)
))->size >= blen) ? 0 : EINVAL;
break;
case FUSE_RELEASEDIR:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_FSYNCDIR:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_GETLK:
panic("FUSE: no response body format check for FUSE_GETLK");
break;
case FUSE_SETLK:
panic("FUSE: no response body format check for FUSE_SETLK");
break;
case FUSE_SETLKW:
panic("FUSE: no response body format check for FUSE_SETLKW");
break;
case FUSE_ACCESS:
err = (blen == 0) ? 0 : EINVAL;
break;
case FUSE_CREATE:
err = (blen == sizeof(struct fuse_entry_out) +
sizeof(struct fuse_open_out)) ? 0 : EINVAL;
break;
case FUSE_DESTROY:
err = (blen == 0) ? 0 : EINVAL;
break;
default:
panic("FUSE: opcodes out of sync (%d)\n", opcode);
}
return err;
}
