/**
* @brief Describe a GPFS striping pattern
*
* At present, we support a files based layout only. The CRUSH
* striping pattern is a-periodic
*
* @param[in] export_pub Public export handle
* @param[out] da_addr_body Stream we write the result to
* @param[in] type Type of layout that gave the device
* @param[in] deviceid The device to look up
*
* @return Valid error codes in RFC 5661, p. 365.
*/
nfsstat4 getdeviceinfo(struct fsal_module *fsal_hdl,
XDR *da_addr_body, const layouttype4 type,
const struct pnfs_deviceid *deviceid)
{
struct deviceinfo_arg darg;
/* The position before any bytes are sent to the stream */
size_t da_beginning;
size_t ds_buffer;
/* The total length of the XDR-encoded da_addr_body */
size_t da_length;
int rc;
int errsv;
darg.mountdirfd = deviceid->device_id4;
darg.type = LAYOUT4_NFSV4_1_FILES;
darg.devid.devid = deviceid->devid;
darg.devid.device_id1 = deviceid->device_id1;
darg.devid.device_id2 = deviceid->device_id2;
darg.devid.device_id4 = deviceid->device_id4;
darg.devid.devid = deviceid->devid;
da_beginning = xdr_getpos(da_addr_body);
darg.xdr.p = xdr_inline(da_addr_body, 0);
ds_buffer = da_addr_body->x_handy; /* xdr_size_inline(da_addr_body); */
darg.xdr.end = (int *)(darg.xdr.p
+ ((ds_buffer - da_beginning) / BYTES_PER_XDR_UNIT));
LogDebug(COMPONENT_PNFS,
"getdeviceinfo p %p end %p da_length %zu ds_buffer %zu seq %d fd %d fsid 0x%"
PRIx64, darg.xdr.p, darg.xdr.end,
da_beginning, ds_buffer,
deviceid->device_id2,
deviceid->device_id4,
deviceid->devid);
rc = gpfs_ganesha(OPENHANDLE_GET_DEVICEINFO, &darg);
errsv = errno;
if (rc < 0) {
LogDebug(COMPONENT_PNFS, "getdeviceinfo rc %d", rc);
if (errsv == EUNATCH)
LogFatal(COMPONENT_PNFS, "GPFS Returned EUNATCH");
return NFS4ERR_RESOURCE;
}
(void)xdr_inline(da_addr_body, rc);
da_length = xdr_getpos(da_addr_body) - da_beginning;
LogDebug(COMPONENT_PNFS, "getdeviceinfo rc %d da_length %zd",
rc, da_length);
return NFS4_OK;
}
static bool_t
apply_buf(bool_t (*fn)(), caddr_t in, u_int size)
{
bool_t result;
char out[BUFSIZ];
XDR xin, xout;
xdrbuf_create(&xin, 0, XDR_ENCODE);
/* Inline to force grow. */
if (!fn(&xin, in) || !xdr_inline(&xin, 2 * BUFSIZ)) {
xdr_destroy(&xin);
return FALSE;
}
xdrmem_create(&xout, xin.x_base, xdr_getpos(&xin), XDR_DECODE);
result = fn(&xout, out) && 0 == memcmp(in, out, size);
xdr_destroy(&xin);
return result;
}
/*
* 2. Marshal
*/
static bool_t
authdes_marshal(AUTH *auth, XDR *xdrs)
{
/* LINTED pointer alignment */
struct ad_private *ad = AUTH_PRIVATE(auth);
struct authdes_cred *cred = &ad->ad_cred;
struct authdes_verf *verf = &ad->ad_verf;
des_block cryptbuf[2];
des_block ivec;
int status;
int len;
rpc_inline_t *ixdr;
/*
* Figure out the "time", accounting for any time difference
* with the server if necessary.
*/
(void)gettimeofday(&ad->ad_timestamp, NULL);
ad->ad_timestamp.tv_sec += ad->ad_timediff.tv_sec;
ad->ad_timestamp.tv_usec += ad->ad_timediff.tv_usec;
while (ad->ad_timestamp.tv_usec >= USEC_PER_SEC) {
ad->ad_timestamp.tv_usec -= USEC_PER_SEC;
ad->ad_timestamp.tv_sec++;
}
/*
* XDR the timestamp and possibly some other things, then
* encrypt them.
*/
ixdr = (rpc_inline_t *)cryptbuf;
IXDR_PUT_INT32(ixdr, ad->ad_timestamp.tv_sec);
IXDR_PUT_INT32(ixdr, ad->ad_timestamp.tv_usec);
if (ad->ad_cred.adc_namekind == ADN_FULLNAME) {
IXDR_PUT_U_INT32(ixdr, ad->ad_window);
IXDR_PUT_U_INT32(ixdr, ad->ad_window - 1);
ivec.key.high = ivec.key.low = 0;
status = cbc_crypt((char *)&auth->ah_key, (char *)cryptbuf,
(u_int) 2 * sizeof (des_block),
DES_ENCRYPT | DES_HW, (char *)&ivec);
} else {
status = ecb_crypt((char *)&auth->ah_key, (char *)cryptbuf,
(u_int) sizeof (des_block),
DES_ENCRYPT | DES_HW);
}
if (DES_FAILED(status)) {
syslog(LOG_ERR, "authdes_marshal: DES encryption failure");
return (FALSE);
}
ad->ad_verf.adv_xtimestamp = cryptbuf[0];
if (ad->ad_cred.adc_namekind == ADN_FULLNAME) {
ad->ad_cred.adc_fullname.window = cryptbuf[1].key.high;
ad->ad_verf.adv_winverf = cryptbuf[1].key.low;
} else {
ad->ad_cred.adc_nickname = ad->ad_nickname;
ad->ad_verf.adv_winverf = 0;
}
/*
* Serialize the credential and verifier into opaque
* authentication data.
*/
if (ad->ad_cred.adc_namekind == ADN_FULLNAME) {
len = ((1 + 1 + 2 + 1)*BYTES_PER_XDR_UNIT + ad->ad_fullnamelen);
} else {
len = (1 + 1)*BYTES_PER_XDR_UNIT;
}
if ((ixdr = xdr_inline(xdrs, 2*BYTES_PER_XDR_UNIT))) {
IXDR_PUT_INT32(ixdr, AUTH_DES);
IXDR_PUT_INT32(ixdr, len);
} else {
ATTEMPT(xdr_putint32(xdrs, (int *)&auth->ah_cred.oa_flavor));
ATTEMPT(xdr_putint32(xdrs, &len));
}
ATTEMPT(xdr_authdes_cred(xdrs, cred));
len = (2 + 1)*BYTES_PER_XDR_UNIT;
if ((ixdr = xdr_inline(xdrs, 2*BYTES_PER_XDR_UNIT))) {
IXDR_PUT_INT32(ixdr, AUTH_DES);
IXDR_PUT_INT32(ixdr, len);
} else {
ATTEMPT(xdr_putint32(xdrs, (int *)&auth->ah_verf.oa_flavor));
ATTEMPT(xdr_putint32(xdrs, &len));
}
ATTEMPT(xdr_authdes_verf(xdrs, verf));
return (TRUE);
}
/*
* 2. Marshal
*/
static bool_t
authdes_marshal (AUTH *auth, XDR *xdrs)
{
struct ad_private *ad = AUTH_PRIVATE (auth);
struct authdes_cred *cred = &ad->ad_cred;
struct authdes_verf *verf = &ad->ad_verf;
des_block cryptbuf[2];
des_block ivec;
int status;
int len;
register int32_t *ixdr;
struct timeval tval;
/*
* Figure out the "time", accounting for any time difference
* with the server if necessary.
*/
__gettimeofday (&tval, (struct timezone *) NULL);
ad->ad_timestamp.tv_sec = tval.tv_sec + ad->ad_timediff.tv_sec;
ad->ad_timestamp.tv_usec = tval.tv_usec + ad->ad_timediff.tv_usec;
if (ad->ad_timestamp.tv_usec >= MILLION)
{
ad->ad_timestamp.tv_usec -= MILLION;
ad->ad_timestamp.tv_sec += 1;
}
/*
* XDR the timestamp and possibly some other things, then
* encrypt them.
* XXX We have a real Year 2038 problem here.
*/
ixdr = (int32_t *) cryptbuf;
IXDR_PUT_INT32 (ixdr, ad->ad_timestamp.tv_sec);
IXDR_PUT_INT32 (ixdr, ad->ad_timestamp.tv_usec);
if (ad->ad_cred.adc_namekind == ADN_FULLNAME)
{
IXDR_PUT_U_INT32 (ixdr, ad->ad_window);
IXDR_PUT_U_INT32 (ixdr, ad->ad_window - 1);
ivec.key.high = ivec.key.low = 0;
status = cbc_crypt ((char *) &auth->ah_key, (char *) cryptbuf,
2 * sizeof (des_block), DES_ENCRYPT | DES_HW, (char *) &ivec);
}
else
status = ecb_crypt ((char *) &auth->ah_key, (char *) cryptbuf,
sizeof (des_block), DES_ENCRYPT | DES_HW);
if (DES_FAILED (status))
{
debug ("authdes_marshal: DES encryption failure");
return FALSE;
}
ad->ad_verf.adv_xtimestamp = cryptbuf[0];
if (ad->ad_cred.adc_namekind == ADN_FULLNAME)
{
ad->ad_cred.adc_fullname.window = cryptbuf[1].key.high;
ad->ad_verf.adv_winverf = cryptbuf[1].key.low;
}
else
{
ad->ad_cred.adc_nickname = ad->ad_nickname;
ad->ad_verf.adv_winverf = 0;
}
/*
* Serialize the credential and verifier into opaque
* authentication data.
*/
if (ad->ad_cred.adc_namekind == ADN_FULLNAME)
len = ((1 + 1 + 2 + 1) * BYTES_PER_XDR_UNIT + ad->ad_fullnamelen);
else
len = (1 + 1) * BYTES_PER_XDR_UNIT;
if ((ixdr = xdr_inline (xdrs, 2 * BYTES_PER_XDR_UNIT)) != NULL)
{
IXDR_PUT_INT32 (ixdr, AUTH_DES);
IXDR_PUT_U_INT32 (ixdr, len);
}
else
{
ATTEMPT (xdr_putint32 (xdrs, &auth->ah_cred.oa_flavor));
ATTEMPT (xdr_putint32 (xdrs, &len));
}
ATTEMPT (xdr_authdes_cred (xdrs, cred));
len = (2 + 1) * BYTES_PER_XDR_UNIT;
if ((ixdr = xdr_inline (xdrs, 2 * BYTES_PER_XDR_UNIT)) != NULL)
{
IXDR_PUT_INT32 (ixdr, AUTH_DES);
IXDR_PUT_U_INT32 (ixdr, len);
}
else
{
ATTEMPT (xdr_putint32 (xdrs, &auth->ah_verf.oa_flavor));
ATTEMPT (xdr_putint32 (xdrs, &len));
}
ATTEMPT (xdr_authdes_verf (xdrs, verf));
return TRUE;
}
