/* Covert GPFS NFS4 ACLs to FSAL ACLs, and set the ACL
* pointer of attribute. */
static int gpfs_acl_2_fsal_acl(struct attrlist * p_object_attributes,
gpfs_acl_t *p_gpfsacl)
{
fsal_acl_status_t status;
fsal_acl_data_t acldata;
fsal_ace_t *pace;
fsal_acl_t *pacl;
gpfs_ace_v4_t *pace_gpfs;
/* sanity checks */
if(!p_object_attributes || !p_gpfsacl)
return ERR_FSAL_FAULT;
/* Create fsal acl data. */
acldata.naces = p_gpfsacl->acl_nace;
acldata.aces = (fsal_ace_t *)nfs4_ace_alloc(acldata.naces);
/* Fill fsal acl data from gpfs acl. */
for(pace = acldata.aces, pace_gpfs = p_gpfsacl->ace_v4;
pace < acldata.aces + acldata.naces; pace++, pace_gpfs++)
{
pace->type = pace_gpfs->aceType;
pace->flag = pace_gpfs->aceFlags;
pace->iflag = pace_gpfs->aceIFlags;
pace->perm = pace_gpfs->aceMask;
if(IS_FSAL_ACE_SPECIAL_ID(*pace)) /* Record special user. */
{
pace->who.uid = pace_gpfs->aceWho;
}
else
{
if(IS_FSAL_ACE_GROUP_ID(*pace)) /* Record group. */
pace->who.gid = pace_gpfs->aceWho;
else /* Record user. */
pace->who.uid = pace_gpfs->aceWho;
}
LogDebug(COMPONENT_FSAL,
"gpfs_acl_2_fsal_acl: fsal ace: type = 0x%x, flag = 0x%x, perm = 0x%x, special = %d, %s = 0x%x",
pace->type, pace->flag, pace->perm, IS_FSAL_ACE_SPECIAL_ID(*pace),
GET_FSAL_ACE_WHO_TYPE(*pace), GET_FSAL_ACE_WHO(*pace));
}
/* Create a new hash table entry for fsal acl. */
pacl = nfs4_acl_new_entry(&acldata, &status);
LogDebug(COMPONENT_FSAL, "fsal acl = %p, fsal_acl_status = %u", pacl, status);
if(pacl == NULL)
{
LogCrit(COMPONENT_FSAL, "gpfs_acl_2_fsal_acl: failed to create a new acl entry");
return ERR_FSAL_FAULT;
}
/* Add fsal acl to attribute. */
p_object_attributes->acl = pacl;
return ERR_FSAL_NO_ERROR;
}
/**
*
* cache_inode_getattr: Gets the attributes for a cached entry.
*
* Gets the attributes for a cached entry. The FSAL attributes are kept in a structure when the entry
* is added to the cache.
*
* @param pentry [IN] entry to be managed.
* @param pattr [OUT] pointer to the results
* @param ht [IN] hash table used for the cache, unused in this call.
* @param pclient [INOUT] ressource allocated by the client for the nfs management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
* @return CACHE_INODE_LRU_ERROR if allocation error occured when validating the entry
*
*/
cache_inode_status_t
cache_inode_getattr(cache_entry_t * pentry,
fsal_attrib_list_t * pattr,
hash_table_t * ht, /* Unused, kept for protototype's homogeneity */
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
cache_inode_status_t status;
fsal_handle_t *pfsal_handle = NULL;
fsal_status_t fsal_status;
/* sanity check */
if(pentry == NULL || pattr == NULL ||
ht == NULL || pclient == NULL || pcontext == NULL)
{
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: returning CACHE_INODE_INVALID_ARGUMENT because of bad arg");
return *pstatus;
}
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* stats */
pclient->stat.nb_call_total += 1;
inc_func_call(pclient, CACHE_INODE_GETATTR);
/* Lock the entry */
P_w(&pentry->lock);
status = cache_inode_renew_entry(pentry, pattr, ht,
pclient, pcontext, pstatus);
if(status != CACHE_INODE_SUCCESS)
{
V_w(&pentry->lock);
inc_func_err_retryable(pclient, CACHE_INODE_GETATTR);
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: returning %d(%s) from cache_inode_renew_entry",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
/* RW Lock goes for writer to reader */
rw_lock_downgrade(&pentry->lock);
cache_inode_get_attributes(pentry, pattr);
if(FSAL_TEST_MASK(pattr->asked_attributes,
FSAL_ATTR_RDATTR_ERR))
{
switch (pentry->internal_md.type)
{
case REGULAR_FILE:
pfsal_handle = &pentry->object.file.handle;
break;
case SYMBOLIC_LINK:
assert(pentry->object.symlink);
pfsal_handle = &pentry->object.symlink->handle;
break;
case DIRECTORY:
pfsal_handle = &pentry->object.dir.handle;
break;
case SOCKET_FILE:
case FIFO_FILE:
case BLOCK_FILE:
case CHARACTER_FILE:
pfsal_handle = &pentry->object.special_obj.handle;
break;
case FS_JUNCTION:
case UNASSIGNED:
case RECYCLED:
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: returning %d(%s) from cache_inode_renew_entry - unexpected md_type",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
/*
* An error occured when trying to get
* the attributes, they have to be renewed
*/
#ifdef _USE_MFSL
fsal_status = FSAL_getattrs_descriptor(&(cache_inode_fd(pentry)->fsal_file), pfsal_handle, pcontext, pattr);
#else
fsal_status = FSAL_getattrs_descriptor(cache_inode_fd(pentry), pfsal_handle, pcontext, pattr);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
V_r(&pentry->lock);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_getattr: Stale FSAL File Handle detected for pentry = %p",
pentry);
/* Locked flag is set to true to show entry has a read lock */
cache_inode_kill_entry( pentry, WT_LOCK, ht,
pclient, &kill_status);
if(kill_status != CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_getattr: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stat */
inc_func_err_unrecover(pclient, CACHE_INODE_GETATTR);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: returning %d(%s) from FSAL_getattrs_descriptor",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
/* Set the new attributes */
cache_inode_set_attributes(pentry, pattr);
}
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_GET, pclient);
V_r(&pentry->lock);
/* stat */
if(*pstatus != CACHE_INODE_SUCCESS)
inc_func_err_retryable(pclient, CACHE_INODE_GETATTR);
else
inc_func_success(pclient, CACHE_INODE_GETATTR);
#ifdef _USE_NFS4_ACL
if(isDebug(COMPONENT_NFS_V4_ACL))
{
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: pentry = %p, acl = %p",
pentry, pattr->acl);
if(pattr->acl)
{
fsal_ace_t *pace;
for(pace = pattr->acl->aces; pace < pattr->acl->aces + pattr->acl->naces; pace++)
{
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: ace type = 0x%x, flag = 0x%x, perm = 0x%x, special = %d, %s = 0x%x",
pace->type, pace->flag, pace->perm, IS_FSAL_ACE_SPECIAL_ID(*pace),
GET_FSAL_ACE_WHO_TYPE(*pace), GET_FSAL_ACE_WHO(*pace));
}
}
}
#endif /* _USE_NFS4_ACL */
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_getattr: returning %d(%s) from cache_inode_valid",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
