int nfs4_op_remove(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_remove";
cache_entry_t * parent_entry = NULL;
fsal_attrib_list_t attr_parent;
fsal_name_t name;
cache_inode_status_t cache_status;
resp->resop = NFS4_OP_REMOVE;
res_REMOVE4.status = NFS4_OK;
/*
* Do basic checks on a filehandle
* Delete arg_REMOVE4.target in directory pointed by currentFH
* Make sure the currentFH is pointed a directory
*/
res_REMOVE4.status = nfs4_sanity_check_FH(data, DIRECTORY);
if(res_REMOVE4.status != NFS4_OK)
return res_REMOVE4.status;
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_ROFS;
return res_REMOVE4.status;
}
if (nfs_in_grace())
{
res_REMOVE4.status = NFS4ERR_GRACE;
return res_REMOVE4.status;
}
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
return nfs4_op_remove_xattr(op, data, resp);
/* Get the parent entry (aka the current one in the compound data) */
parent_entry = data->current_entry;
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4.REMOVE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_REMOVE4.REMOVE4res_u.resok4.cinfo.before =
cache_inode_get_changeid4(parent_entry);
/* Check for name length */
if(arg_REMOVE4.target.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_REMOVE4.status = NFS4ERR_NAMETOOLONG;
return res_REMOVE4.status;
}
/* get the filename from the argument, it should not be empty */
if(arg_REMOVE4.target.utf8string_len == 0)
{
res_REMOVE4.status = NFS4ERR_INVAL;
return res_REMOVE4.status;
}
/* NFS4_OP_REMOVE can delete files as well as directory, it replaces NFS3_RMDIR and NFS3_REMOVE
* because of this, we have to know if object is a directory or not */
if((cache_status =
cache_inode_error_convert(FSAL_buffdesc2name
((fsal_buffdesc_t *) & arg_REMOVE4.target,
&name))) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
/* Test RM7: remiving '.' should return NFS4ERR_BADNAME */
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_REMOVE4.status = NFS4ERR_BADNAME;
return res_REMOVE4.status;
}
if((cache_status = cache_inode_remove(parent_entry,
&name,
&attr_parent,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
res_REMOVE4.REMOVE4res_u.resok4.cinfo.after
= cache_inode_get_changeid4(parent_entry);
/* Operation was not atomic .... */
res_REMOVE4.REMOVE4res_u.resok4.cinfo.atomic = FALSE;
/* If you reach this point, everything was ok */
res_REMOVE4.status = NFS4_OK;
return NFS4_OK;
} /* nfs4_op_remove */
int nfs4_op_remove(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
cache_entry_t *parent_entry = NULL;
fsal_attrib_list_t attr_parent;
fsal_name_t name;
cache_inode_status_t cache_status;
#ifdef _USE_PNFS
pnfs_file_t pnfs_file;
#endif
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_remove";
resp->resop = NFS4_OP_REMOVE;
res_REMOVE4.status = NFS4_OK;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_NOFILEHANDLE;
return res_REMOVE4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_BADHANDLE;
return res_REMOVE4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_FHEXPIRED;
return res_REMOVE4.status;
}
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_ROFS;
return res_REMOVE4.status;
}
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
return nfs4_op_remove_xattr(op, data, resp);
/* Get the parent entry (aka the current one in the compound data) */
parent_entry = data->current_entry;
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4.REMOVE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_REMOVE4.REMOVE4res_u.resok4.cinfo.before =
(changeid4) parent_entry->internal_md.mod_time;
/* The operation delete object named arg_REMOVE4.target in directory pointed bt cuurentFH */
/* Make sur the currentFH is pointed a directory */
if(data->current_filetype != DIR_BEGINNING && data->current_filetype != DIR_CONTINUE)
{
res_REMOVE4.status = NFS4ERR_NOTDIR;
return res_REMOVE4.status;
}
/* Check for name length */
if(arg_REMOVE4.target.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_REMOVE4.status = NFS4ERR_NAMETOOLONG;
return res_REMOVE4.status;
}
/* get the filename from the argument, it should not be empty */
if(arg_REMOVE4.target.utf8string_len == 0)
{
res_REMOVE4.status = NFS4ERR_INVAL;
return res_REMOVE4.status;
}
/* NFS4_OP_REMOVE can delete files as well as directory, it replaces NFS3_RMDIR and NFS3_REMOVE
* because of this, we have to know if object is a directory or not */
if((cache_status =
cache_inode_error_convert(FSAL_buffdesc2name
((fsal_buffdesc_t *) & arg_REMOVE4.target,
&name))) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
/* Test RM7: remiving '.' should return NFS4ERR_BADNAME */
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_REMOVE4.status = NFS4ERR_BADNAME;
return res_REMOVE4.status;
}
if((cache_status = cache_inode_remove(parent_entry,
&name,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4.REMOVE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_REMOVE4.REMOVE4res_u.resok4.cinfo.after =
(changeid4) parent_entry->internal_md.mod_time;
/* Operation was not atomic .... */
res_REMOVE4.REMOVE4res_u.resok4.cinfo.atomic = TRUE;
/* If you reach this point, everything was ok */
res_REMOVE4.status = NFS4_OK;
return NFS4_OK;
} /* nfs4_op_remove */
int nfs4_op_remove(struct nfs_argop4 *op,
compound_data_t *data,
struct nfs_resop4 *resp)
{
REMOVE4args *const arg_REMOVE4 = &op->nfs_argop4_u.opremove;
REMOVE4res *const res_REMOVE4 = &resp->nfs_resop4_u.opremove;
cache_entry_t * parent_entry = NULL;
char * name = NULL;
cache_inode_status_t cache_status = CACHE_INODE_SUCCESS;
resp->resop = NFS4_OP_REMOVE;
res_REMOVE4->status = NFS4_OK;
/*
* Do basic checks on a filehandle
* Delete arg_REMOVE4.target in directory pointed by currentFH
* Make sure the currentFH is pointed a directory
*/
res_REMOVE4->status = nfs4_sanity_check_FH(data, DIRECTORY, false);
if(res_REMOVE4->status != NFS4_OK)
goto out;
/* Validate and convert the UFT8 target to a regular string */
res_REMOVE4->status = nfs4_utf8string2dynamic(&arg_REMOVE4->target,
UTF8_SCAN_ALL,
&name);
if (res_REMOVE4->status != NFS4_OK) {
goto out;
}
if (nfs_in_grace())
{
res_REMOVE4->status = NFS4ERR_GRACE;
goto out;
}
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
{
res_REMOVE4->status = nfs4_op_remove_xattr(op, data, resp);
goto out;
}
/* Get the parent entry (aka the current one in the compound data) */
parent_entry = data->current_entry;
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4->REMOVE4res_u.resok4.cinfo.before),
0, sizeof(changeid4));
res_REMOVE4->REMOVE4res_u.resok4.cinfo.before =
cache_inode_get_changeid4(parent_entry);
cache_status = cache_inode_remove(parent_entry,
name,
data->req_ctx);
if (cache_status != CACHE_INODE_SUCCESS)
{
res_REMOVE4->status = nfs4_Errno(cache_status);
goto out;
}
res_REMOVE4->REMOVE4res_u.resok4.cinfo.after
= cache_inode_get_changeid4(parent_entry);
/* Operation was not atomic .... */
res_REMOVE4->REMOVE4res_u.resok4.cinfo.atomic = FALSE;
/* If you reach this point, everything was ok */
res_REMOVE4->status = NFS4_OK;
out:
if (name) {
gsh_free(name);
name = NULL;
}
return res_REMOVE4->status;
} /* nfs4_op_remove */
