cosmetic: move ea get and set upcalls to separate file

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2012-04-06 14:26:13 -04:00 committed by unknown
parent 470d0832ee
commit 5a4439a894
5 changed files with 351 additions and 318 deletions

View file

@ -517,143 +517,9 @@ static int marshall_setattr(unsigned char *buffer, uint32_t *length, nfs41_upcal
return safe_write(&buffer, length, &args->ctime, sizeof(args->ctime));
}
/* NFS41_EA_SET */
static int parse_setexattr(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
{
int status;
setexattr_upcall_args *args = &upcall->args.setexattr;
status = get_name(&buffer, &length, &args->path);
if (status) goto out;
status = safe_read(&buffer, &length, &args->mode, sizeof(args->mode));
if (status) goto out;
status = safe_read(&buffer, &length, &args->buf_len, sizeof(args->buf_len));
if (status) goto out;
args->buf = buffer;
dprintf(1, "parsing NFS41_EA_SET: mode=%o\n", args->mode);
out:
return status;
}
static int handle_setexattr(nfs41_upcall *upcall)
{
int status;
setexattr_upcall_args *args = &upcall->args.setexattr;
nfs41_open_state *state = upcall->state_ref;
stateid_arg stateid;
nfs41_file_info createattrs, info = { 0 };
PFILE_FULL_EA_INFORMATION eainfo =
(PFILE_FULL_EA_INFORMATION)args->buf, prev = NULL;
nfs41_path_fh parent = { 0 }, file = { 0 };
open_claim4 claim;
stateid4 open_stateid;
nfs41_write_verf verf;
uint32_t bytes_written;
UCHAR *buf;
open_delegation4 delegation = { 0 };
createattrs.attrmask.count = 2;
createattrs.attrmask.arr[0] = FATTR4_WORD0_SIZE;
createattrs.attrmask.arr[1] = FATTR4_WORD1_MODE;
createattrs.size = 0;
createattrs.mode = 0664;
/* break read delegations before SETATTR */
nfs41_delegation_return(state->session, &state->file,
OPEN_DELEGATE_READ, FALSE);
nfs41_open_stateid_arg(state, &stateid);
if (strncmp("NfsV3Attributes", eainfo->EaName, eainfo->EaNameLength) == 0
&& sizeof("NfsV3Attributes")-1 == eainfo->EaNameLength) {
info.mode = args->mode;
info.attrmask.arr[1] |= FATTR4_WORD1_MODE;
info.attrmask.count = 2;
status = nfs41_setattr(state->session, &state->file, &stateid, &info);
if (status) {
dprintf(1, "nfs41_setattr() failed with error %s.\n",
nfs_error_string(status));
return nfs_to_windows_error(status, ERROR_NOT_SUPPORTED);
}
args->ctime = info.change;
} else {
status = nfs41_rpc_openattr(state->session, &state->file, TRUE, &parent.fh);
if (status) {
dprintf(1, "handle_setexattr: nfs41_rpc_openattr() failed with error %s.\n",
nfs_error_string(status));
return nfs_to_windows_error(status, ERROR_NOT_SUPPORTED);
}
while (eainfo != prev) {
/* we don't allow for extended attribute values to be larger than NFS4_EASIZE.
* thus, let's not allow setting such.
*/
if (eainfo->EaValueLength > NFS4_EASIZE) {
dprintf(1, "trying to write extended attribute value of size %d"
"max allowed %d\n", eainfo->EaValueLength, NFS4_EASIZE);
status = ERROR_INVALID_DATA;
goto out;
}
file.name.name = eainfo->EaName;
file.name.len = eainfo->EaNameLength;
claim.claim = CLAIM_NULL;
claim.u.null.filename = &file.name;
status = nfs41_open(state->session, &parent, &file, &state->owner, &claim,
OPEN4_SHARE_ACCESS_WRITE, OPEN4_SHARE_DENY_BOTH, OPEN4_CREATE,
UNCHECKED4, &createattrs, TRUE, &open_stateid, &delegation, NULL);
if (status) {
dprintf(1, "handle_setexattr: nfs41_rpc_open() failed with error %s.\n",
nfs_error_string(status));
status = nfs_to_windows_error(status, ERROR_NOT_SUPPORTED);
goto out;
}
stateid.stateid = open_stateid;
stateid.stateid.seqid = 0;
buf = (UCHAR *) eainfo->EaName + eainfo->EaNameLength + 1;
status = nfs41_write(state->session, &file, &stateid, buf,
eainfo->EaValueLength, 0, FILE_SYNC4, &bytes_written,
&verf, NULL);
if (status) {
dprintf(1, "handle_setexattr: nfs41_write() failed w/error %s.\n",
nfs_error_string(status));
status = nfs_to_windows_error(status, ERROR_NOT_SUPPORTED);
nfs41_close(state->session, &file, &stateid);
goto out;
}
status = nfs41_close(state->session, &file, &stateid);
if (status) {
dprintf(1, "handle_setexattr: nfs41_close() failed w/error %s.\n",
nfs_error_string(status));
status = nfs_to_windows_error(status, ERROR_NOT_SUPPORTED);
goto out;
}
bytes_written = 0;
prev = eainfo;
eainfo = (FILE_FULL_EA_INFORMATION *) ((ULONG_PTR) eainfo +
eainfo->NextEntryOffset);
}
}
out:
return status;
}
static int marshall_setexattr(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
{
setexattr_upcall_args *args = &upcall->args.setexattr;
return safe_write(&buffer, length, &args->ctime, sizeof(args->ctime));
}
const nfs41_upcall_op nfs41_op_setattr = {
parse_setattr,
handle_setattr,
marshall_setattr
};
const nfs41_upcall_op nfs41_op_setexattr = {
parse_setexattr,
handle_setexattr,
marshall_setexattr
};