fsal_status_t FSAL_proxy_truncate_stateless(proxyfsal_handle_t * filehandle, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
fsal_size_t length, /* IN */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
fsal_status_t fsal_status;
fsal_attrib_list_t open_attrs;
bitmap4 inbitmap;
bitmap4 convert_bitmap;
uint32_t inbitmap_val[2];
uint32_t bitmap_res[2];
uint32_t bitmap_set[2];
uint32_t bitmap_conv_val[2];
#define FSAL_TRUNCATE_STATELESS_NB_OP_ALLOC 3
nfs_argop4 argoparray[FSAL_TRUNCATE_STATELESS_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_TRUNCATE_STATELESS_NB_OP_ALLOC];
fsal_attrib_list_t fsal_attr_set;
fattr4 fattr_set;
fsal_proxy_internal_fattr_t fattr_internal;
struct timeval timeout = { 25, 0 };
/* sanity checks.
* note : object_attributes is optional.
*/
if(!filehandle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate);
if(filehandle->data.object_type_reminder != FSAL_TYPE_FILE)
{
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate);
}
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Truncate" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
/* Get NFSv4 File handle */
if(fsal_internal_proxy_extract_fh(&nfs4fh, filehandle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate);
/* Get prepared for truncate */
fsal_attr_set.asked_attributes = FSAL_ATTR_SIZE;
fsal_attr_set.filesize = length;
convert_bitmap.bitmap4_val = bitmap_conv_val;
convert_bitmap.bitmap4_len = 2;
fsal_interval_proxy_fsalattr2bitmap4(&fsal_attr_set, &convert_bitmap);
if(nfs4_FSALattr_To_Fattr(NULL, /* no exportlist required here */
&fsal_attr_set, &fattr_set, NULL, /* no compound data required here */
NULL, /* No fh here, filehandle is not a settable attribute */
&convert_bitmap) == -1)
Return(ERR_FSAL_INVAL, -1, INDEX_FSAL_truncate);
inbitmap.bitmap4_val = inbitmap_val;
inbitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&inbitmap);
#define FSAL_TRUNCATE_STATELESS_IDX_OP_PUTFH 0
#define FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR 1
#define FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_SETATTR(argnfs4, fattr_set);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, inbitmap);
/* For ATTR_SIZE, stateid is needed, we use the stateless "all-0's" stateid here */
argnfs4.argarray.argarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].nfs_argop4_u.
opsetattr.stateid.seqid = 0;
memset(argnfs4.argarray.argarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].
nfs_argop4_u.opsetattr.stateid.other, 0, 12);
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].nfs_resop4_u.
opsetattr.attrsset.bitmap4_val = bitmap_set;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_STATELESS_IDX_OP_SETATTR].nfs_resop4_u.
opsetattr.attrsset.bitmap4_len = 2;
TakeTokenFSCall();
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, 0, INDEX_FSAL_truncate);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_truncate);
/* >> interpret error code << */
/* >> Optionnaly retrieve post op attributes
* If your filesystem truncate call can't return them,
* you can proceed like this : <<
*/
if(object_attributes)
{
if(nfs4_Fattr_To_FSAL_attr(object_attributes,
&resnfs4.resarray.resarray_val
[FSAL_TRUNCATE_STATELESS_IDX_OP_GETATTR].
nfs_resop4_u.opgetattr.GETATTR4res_u.resok4.
obj_attributes) != 1)
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate);
}
}
/* No error occured */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_truncate);
} /* FSAL_proxy_truncate_stateless */
fsal_status_t PROXYFSAL_rename(fsal_handle_t * old_parent, /* IN */
fsal_name_t * p_old_name, /* IN */
fsal_handle_t * new_parent, /* IN */
fsal_name_t * p_new_name, /* IN */
fsal_op_context_t *context, /* IN */
fsal_attrib_list_t * src_dir_attributes, /* [ IN/OUT ] */
fsal_attrib_list_t * tgt_dir_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh_old;
nfs_fh4 nfs4fh_new;
bitmap4 bitmap_old;
uint32_t bitmap_val_old[2];
bitmap4 bitmap_new;
uint32_t bitmap_val_new[2];
component4 oldname;
char oldnameval[MAXNAMLEN];
component4 newname;
char newnameval[MAXNAMLEN];
proxyfsal_handle_t * old_parentdir_handle = (proxyfsal_handle_t *)old_parent;
proxyfsal_handle_t * new_parentdir_handle = (proxyfsal_handle_t *)new_parent;
proxyfsal_op_context_t * p_context = (proxyfsal_op_context_t *)context;
#define FSAL_RENAME_NB_OP_ALLOC 7
nfs_argop4 argoparray[FSAL_RENAME_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_RENAME_NB_OP_ALLOC];
uint32_t bitmap_res_old[2];
uint32_t bitmap_res_new[2];
fsal_proxy_internal_fattr_t fattr_internal_new;
fsal_proxy_internal_fattr_t fattr_internal_old;
struct timeval timeout = TIMEOUTRPC;
/* sanity checks.
* note : src/tgt_dir_attributes are optional.
*/
if(!old_parentdir_handle ||
!new_parentdir_handle || !p_old_name || !p_new_name || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal_new);
fsal_internal_proxy_setup_fattr(&fattr_internal_old);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Rename" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
/* Prepare the structures */
bitmap_old.bitmap4_val = bitmap_val_old;
bitmap_old.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap_old);
if(fsal_internal_proxy_extract_fh(&nfs4fh_old, old_parent) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename);
memset((char *)&oldname, 0, sizeof(component4));
oldname.utf8string_val = oldnameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_old_name, &oldname) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename);
bitmap_new.bitmap4_val = bitmap_val_new;
bitmap_new.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap_new);
if(fsal_internal_proxy_extract_fh(&nfs4fh_new, new_parent) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename);
memset((char *)&newname, 0, sizeof(component4));
newname.utf8string_val = newnameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_new_name, &newname) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename);
#define FSAL_RENAME_IDX_OP_PUTFH_OLD 0
#define FSAL_RENAME_IDX_OP_SAVEFH 1
#define FSAL_RENAME_IDX_OP_PUTFH_NEW 2
#define FSAL_RENAME_IDX_OP_RENAME 3
#define FSAL_RENAME_IDX_OP_GETATTR_NEW 4
#define FSAL_RENAME_IDX_OP_RESTOREFH 5
#define FSAL_RENAME_IDX_OP_GETATTR_OLD 6
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh_old);
COMPOUNDV4_ARG_ADD_OP_SAVEFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh_new);
COMPOUNDV4_ARG_ADD_OP_RENAME(argnfs4, oldname, newname);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap_new);
COMPOUNDV4_ARG_ADD_OP_RESTOREFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap_old);
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_NEW].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res_new;
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_NEW].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_NEW].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal_new;
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_NEW].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal_new);
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_OLD].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res_old;
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_OLD].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_OLD].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal_old;
resnfs4.resarray.resarray_val[FSAL_RENAME_IDX_OP_GETATTR_OLD].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal_old);
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_rename);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_rename);
/* >> get last parent post op attributes if asked
* For example : << */
if(src_dir_attributes)
{
if(nfs4_Fattr_To_FSAL_attr(src_dir_attributes,
&resnfs4.resarray.resarray_val
[FSAL_RENAME_IDX_OP_GETATTR_OLD].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(src_dir_attributes->asked_attributes);
FSAL_SET_MASK(src_dir_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_rename);
}
}
/* >> get new parent post op attributes if asked
* For example : << */
if(tgt_dir_attributes)
{
if(nfs4_Fattr_To_FSAL_attr(tgt_dir_attributes,
&resnfs4.resarray.resarray_val
[FSAL_RENAME_IDX_OP_GETATTR_NEW].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(tgt_dir_attributes->asked_attributes);
FSAL_SET_MASK(tgt_dir_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_rename);
}
}
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_rename);
}
int nfs4_op_setattr(struct nfs_argop4 *op, compound_data_t *data,
struct nfs_resop4 *resp)
{
SETATTR4args * const arg_SETATTR4 = &op->nfs_argop4_u.opsetattr;
SETATTR4res * const res_SETATTR4 = &resp->nfs_resop4_u.opsetattr;
struct attrlist sattr;
cache_inode_status_t cache_status = CACHE_INODE_SUCCESS;
const char *tag = "SETATTR";
state_t *state_found = NULL;
state_t *state_open = NULL;
cache_entry_t *entry = NULL;
bool anonymous_started = false;
resp->resop = NFS4_OP_SETATTR;
res_SETATTR4->status = NFS4_OK;
/* Do basic checks on a filehandle */
res_SETATTR4->status = nfs4_sanity_check_FH(data, NO_FILE_TYPE, false);
if (res_SETATTR4->status != NFS4_OK)
return res_SETATTR4->status;
/* Don't allow attribute change while we are in grace period.
* Required for delegation reclaims and may be needed for other
* reclaimable states as well.
*/
if (nfs_in_grace()) {
res_SETATTR4->status = NFS4ERR_GRACE;
return res_SETATTR4->status;
}
/* Get only attributes that are allowed to be read */
if (!nfs4_Fattr_Check_Access
(&arg_SETATTR4->obj_attributes, FATTR4_ATTR_WRITE)) {
res_SETATTR4->status = NFS4ERR_INVAL;
return res_SETATTR4->status;
}
/* Ask only for supported attributes */
if (!nfs4_Fattr_Supported(&arg_SETATTR4->obj_attributes)) {
res_SETATTR4->status = NFS4ERR_ATTRNOTSUPP;
return res_SETATTR4->status;
}
/* Convert the fattr4 in the request to a fsal sattr structure */
res_SETATTR4->status =
nfs4_Fattr_To_FSAL_attr(&sattr,
&arg_SETATTR4->obj_attributes,
data);
if (res_SETATTR4->status != NFS4_OK)
return res_SETATTR4->status;
/* Trunc may change Xtime so we have to start with trunc and
* finish by the mtime and atime
*/
if ((FSAL_TEST_MASK(sattr.mask, ATTR_SIZE))
|| (FSAL_TEST_MASK(sattr.mask, ATTR4_SPACE_RESERVED))) {
/* Setting the size of a directory is prohibited */
if (data->current_filetype == DIRECTORY) {
res_SETATTR4->status = NFS4ERR_ISDIR;
return res_SETATTR4->status;
}
/* Object should be a file */
if (data->current_entry->type != REGULAR_FILE) {
res_SETATTR4->status = NFS4ERR_INVAL;
return res_SETATTR4->status;
}
entry = data->current_entry;
/* Check stateid correctness and get pointer to state */
res_SETATTR4->status =
nfs4_Check_Stateid(&arg_SETATTR4->stateid,
data->current_entry,
&state_found,
data,
STATEID_SPECIAL_ANY,
0,
false,
tag);
if (res_SETATTR4->status != NFS4_OK)
return res_SETATTR4->status;
/* NB: After this point, if state_found == NULL, then
* the stateid is all-0 or all-1
*/
if (state_found != NULL) {
switch (state_found->state_type) {
case STATE_TYPE_SHARE:
state_open = state_found;
/* Note this causes an extra refcount, but it
* simplifies logic below.
*/
inc_state_t_ref(state_open);
break;
case STATE_TYPE_LOCK:
state_open =
state_found->state_data.lock.openstate;
inc_state_t_ref(state_open);
break;
case STATE_TYPE_DELEG:
state_open = NULL;
break;
default:
res_SETATTR4->status = NFS4ERR_BAD_STATEID;
return res_SETATTR4->status;
}
/* This is a size operation, this means that
* the file MUST have been opened for writing
*/
if (state_open != NULL &&
(state_open->state_data.share.share_access &
OPEN4_SHARE_ACCESS_WRITE) == 0) {
/* Bad open mode, return NFS4ERR_OPENMODE */
res_SETATTR4->status = NFS4ERR_OPENMODE;
return res_SETATTR4->status;
}
} else {
/* Special stateid, no open state, check to
* see if any share conflicts
*/
state_open = NULL;
/* Special stateid, no open state, check to see if
* any share conflicts The stateid is all-0 or all-1
*/
res_SETATTR4->status = nfs4_Errno_state(
state_share_anonymous_io_start(
entry,
OPEN4_SHARE_ACCESS_WRITE,
SHARE_BYPASS_NONE));
if (res_SETATTR4->status != NFS4_OK)
return res_SETATTR4->status;
anonymous_started = true;
}
}
const time_t S_NSECS = 1000000000UL;
/* Set the atime and mtime (ctime is not setable) */
/* A carry into seconds considered invalid */
if (sattr.atime.tv_nsec >= S_NSECS) {
res_SETATTR4->status = NFS4ERR_INVAL;
goto done;
}
if (sattr.mtime.tv_nsec >= S_NSECS) {
res_SETATTR4->status = NFS4ERR_INVAL;
goto done;
}
/* If owner or owner_group are set, and the credential was
* squashed, then we must squash the set owner and owner_group.
*/
squash_setattr(&sattr);
/* If a SETATTR comes with an open stateid, and size is being
* set, then the open MUST be for write (checked above), so
* is_open_write is simple at this stage, it's just a check that
* we have an open owner.
*/
cache_status = cache_inode_setattr(data->current_entry,
&sattr,
state_open != NULL);
if (cache_status != CACHE_INODE_SUCCESS) {
res_SETATTR4->status = nfs4_Errno(cache_status);
goto done;
}
/* Set the replyed structure */
res_SETATTR4->attrsset = arg_SETATTR4->obj_attributes.attrmask;
/* Exit with no error */
res_SETATTR4->status = NFS4_OK;
done:
if (anonymous_started)
state_share_anonymous_io_done(entry, OPEN4_SHARE_ACCESS_WRITE);
if (state_found != NULL)
dec_state_t_ref(state_found);
if (state_open != NULL)
dec_state_t_ref(state_open);
return res_SETATTR4->status;
} /* nfs4_op_setattr */
static void open4_ex_create_args(OPEN4args *arg,
compound_data_t *data,
OPEN4res *res_OPEN4,
void *verifier,
enum fsal_create_mode *createmode,
struct attrlist *sattr)
{
createhow4 *createhow = &arg->openhow.openflag4_u.how;
fattr4 *arg_attrs = NULL;
*createmode = nfs4_createmode_to_fsal(createhow->mode);
if (createhow->mode == EXCLUSIVE4_1) {
memcpy(verifier,
createhow->createhow4_u.ch_createboth.cva_verf,
sizeof(fsal_verifier_t));
} else if (createhow->mode == EXCLUSIVE4) {
memcpy(verifier,
createhow->createhow4_u.createverf,
sizeof(fsal_verifier_t));
}
/* Select the correct attributes */
if (createhow->mode == GUARDED4 || createhow->mode == UNCHECKED4)
arg_attrs = &createhow->createhow4_u.createattrs;
else if (createhow->mode == EXCLUSIVE4_1)
arg_attrs = &createhow->createhow4_u.ch_createboth.cva_attrs;
if (arg_attrs != NULL) {
/* Check if asked attributes are correct */
if (!nfs4_Fattr_Supported(arg_attrs)) {
res_OPEN4->status = NFS4ERR_ATTRNOTSUPP;
return;
}
if (!nfs4_Fattr_Check_Access(arg_attrs, FATTR4_ATTR_WRITE)) {
res_OPEN4->status = NFS4ERR_INVAL;
return;
}
/* Convert the attributes */
if (arg_attrs->attrmask.bitmap4_len != 0) {
/* Convert fattr4 so nfs4_sattr */
res_OPEN4->status =
nfs4_Fattr_To_FSAL_attr(sattr, arg_attrs, data);
if (res_OPEN4->status != NFS4_OK)
return;
}
if (createhow->mode == EXCLUSIVE4_1) {
/** @todo FSF: this needs to be corrected in case FSAL
* uses different attributes for the
* verifier.
*/
/* Check that we aren't trying to set the verifier
* attributes.
*/
if (FSAL_TEST_MASK(sattr->valid_mask, ATTR_ATIME) ||
FSAL_TEST_MASK(sattr->valid_mask, ATTR_MTIME)) {
res_OPEN4->status = NFS4ERR_INVAL;
return;
}
}
/* If owner or owner_group are set, and the credential was
* squashed, then we must squash the set owner and owner_group.
*/
squash_setattr(sattr);
}
if (!(sattr->valid_mask & ATTR_MODE)) {
/* Make sure mode is set, even for exclusive create. */
sattr->mode = 0600;
sattr->valid_mask |= ATTR_MODE;
}
}
fsal_status_t PROXYFSAL_lookup(proxyfsal_handle_t * parent_directory_handle, /* IN */
fsal_name_t * p_filename, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
proxyfsal_handle_t * object_handle, /* OUT */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
bitmap4 bitmap;
uint32_t bitmap_val[2];
component4 name;
char nameval[MAXNAMLEN];
fsal_attrib_list_t attributes;
unsigned int index_getfh = 0;
unsigned int index_getattr = 0;
#define FSAL_LOOKUP_NB_OP_ALLOC 4
nfs_argop4 argoparray[FSAL_LOOKUP_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_LOOKUP_NB_OP_ALLOC];
uint32_t bitmap_res[2];
fsal_proxy_internal_fattr_t fattr_internal;
char padfilehandle[FSAL_PROXY_FILEHANDLE_MAX_LEN];
struct timeval timeout = TIMEOUTRPC;
/* sanity checks
* note : object_attributes is optionnal
* parent_directory_handle may be null for getting FS root.
*/
if(!object_handle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
argnfs4.argarray.argarray_len = 0;
/* >> retrieve root handle filehandle here << */
bitmap.bitmap4_val = bitmap_val;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
if(!parent_directory_handle)
{
/* check that p_filename is NULL,
* else, parent_directory_handle should not
* be NULL.
*/
if(p_filename != NULL)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup Root" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_PUTROOTFH 0
#define FSAL_LOOKUP_IDX_OP_GETATTR_ROOT 1
#define FSAL_LOOKUP_IDX_OP_GETFH_ROOT 2
COMPOUNDV4_ARG_ADD_OP_PUTROOTFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_GETATTR_ROOT;
index_getfh = FSAL_LOOKUP_IDX_OP_GETFH_ROOT;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH_ROOT].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH_ROOT].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
else /* this is a real lookup(parent, name) */
{
PRINT_HANDLE("PROXYFSAL_lookup parent", parent_directory_handle);
/* the filename should not be null */
if(p_filename == NULL)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* >> Be careful about junction crossing, symlinks, hardlinks,...
* You may check the parent type if it's sored into the handle <<
*/
switch (parent_directory_handle->data.object_type_reminder)
{
case FSAL_TYPE_DIR:
/* OK */
break;
case FSAL_TYPE_JUNCTION:
/* This is a junction */
Return(ERR_FSAL_XDEV, 0, INDEX_FSAL_lookup);
case FSAL_TYPE_FILE:
case FSAL_TYPE_LNK:
case FSAL_TYPE_XATTR:
/* not a directory */
Return(ERR_FSAL_NOTDIR, 0, INDEX_FSAL_lookup);
default:
Return(ERR_FSAL_SERVERFAULT, 0, INDEX_FSAL_lookup);
}
/* >> Call your filesystem lookup function here << */
if(fsal_internal_proxy_extract_fh(&nfs4fh, parent_directory_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
memset((char *)&name, 0, sizeof(component4));
name.utf8string_val = nameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_filename, &name) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
if(!FSAL_namecmp(p_filename, (fsal_name_t *) & FSAL_DOT))
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup current" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_DOT_PUTFH 0
#define FSAL_LOOKUP_IDX_OP_DOT_GETATTR 1
#define FSAL_LOOKUP_IDX_OP_DOT_GETFH 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_DOT_GETATTR;
index_getfh = FSAL_LOOKUP_IDX_OP_DOT_GETFH;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val =
bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_len =
FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
else if(!FSAL_namecmp(p_filename, (fsal_name_t *) & FSAL_DOT_DOT))
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup parent" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_PUTFH 0
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_LOOKUPP 1
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR 2
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH 3
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_LOOKUPP(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR;
index_getfh = FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val =
bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_len =
FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
else
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup name" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_PUTFH 0
#define FSAL_LOOKUP_IDX_OP_LOOKUP 1
#define FSAL_LOOKUP_IDX_OP_GETATTR 2
#define FSAL_LOOKUP_IDX_OP_GETFH 3
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_LOOKUP(argnfs4, name);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_GETATTR;
index_getfh = FSAL_LOOKUP_IDX_OP_GETFH;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val =
bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
}
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_lookup);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_lookup);
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(&attributes,
&resnfs4.resarray.resarray_val[index_getattr].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_lookup);
}
if(object_attributes)
{
memcpy(object_attributes, &attributes, sizeof(attributes));
}
/* Build the handle */
if(fsal_internal_proxy_create_fh
(&resnfs4.resarray.resarray_val[index_getfh].nfs_resop4_u.opgetfh.GETFH4res_u.
resok4.object, attributes.type, attributes.fileid, object_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
PRINT_HANDLE("PROXYFSAL_lookup object found", object_handle);
/* Return attributes if asked */
if(object_attributes)
{
memcpy(object_attributes, &attributes, sizeof(attributes));
}
/* lookup complete ! */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_lookup);
}
fsal_status_t PROXYFSAL_readlink(proxyfsal_handle_t * linkhandle, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
fsal_path_t * p_link_content, /* OUT */
fsal_attrib_list_t * link_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
bitmap4 bitmap;
uint32_t bitmap_val[2];
fsal_attrib_list_t attributes;
#define FSAL_READLINK_NB_OP_ALLOC 4
nfs_argop4 argoparray[FSAL_READLINK_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_READLINK_NB_OP_ALLOC];
uint32_t bitmap_res[2];
fsal_proxy_internal_fattr_t fattr_internal;
char padpath[FSAL_MAX_PATH_LEN];
struct timeval timeout = TIMEOUTRPC;
/* sanity checks.
* note : link_attributes is optional.
*/
if(!linkhandle || !p_context || !p_link_content)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_readlink);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Readlink" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
/* >> retrieve root handle filehandle here << */
bitmap.bitmap4_val = bitmap_val;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
if(fsal_internal_proxy_extract_fh(&nfs4fh, linkhandle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_readlink);
#define FSAL_READLINK_IDX_OP_PUTFH 0
#define FSAL_READLINK_IDX_OP_READLINK 1
#define FSAL_READLINK_IDX_OP_GETATTR 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_READLINK(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
resnfs4.resarray.resarray_val[FSAL_READLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_READLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_READLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_READLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_READLINK_IDX_OP_READLINK].nfs_resop4_u.opreadlink.
READLINK4res_u.resok4.link.utf8string_val = (char *)padpath;
resnfs4.resarray.resarray_val[FSAL_READLINK_IDX_OP_READLINK].nfs_resop4_u.opreadlink.
READLINK4res_u.resok4.link.utf8string_len = FSAL_MAX_PATH_LEN;
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_readlink);
}
ReleaseTokenFSCall();
/* >> convert error code and return on error << */
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_readlink);
/* >> convert fs output to fsal_path_t
* for example, if this is a char * (link_content_out) :
*/
if(fsal_internal_proxy_fsal_utf8_2_path(p_link_content,
&(resnfs4.resarray.resarray_val
[FSAL_READLINK_IDX_OP_READLINK].
nfs_resop4_u.opreadlink.READLINK4res_u.resok4.
link)) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_readlink);
/* retrieves object attributes, if asked */
if(link_attributes)
{
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(&attributes,
&resnfs4.resarray.
resarray_val[FSAL_READLINK_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(link_attributes->asked_attributes);
FSAL_SET_MASK(link_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_readlink);
}
memcpy(link_attributes, &attributes, sizeof(attributes));
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_readlink);
}
int nfs4_op_create(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
cache_entry_t *pentry_parent = NULL;
cache_entry_t *pentry_new = NULL;
fsal_attrib_list_t attr_parent;
fsal_attrib_list_t attr_new;
fsal_attrib_list_t sattr;
fsal_handle_t *pnewfsal_handle = NULL;
nfs_fh4 newfh4;
cache_inode_status_t cache_status;
int convrc = 0;
fsal_accessmode_t mode = 0600;
fsal_name_t name;
cache_inode_create_arg_t create_arg;
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_create";
unsigned int i = 0;
resp->resop = NFS4_OP_CREATE;
res_CREATE4.status = NFS4_OK;
/* If the filehandle is Empty */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_NOFILEHANDLE;
return res_CREATE4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_BADHANDLE;
return res_CREATE4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_FHEXPIRED;
return res_CREATE4.status;
}
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_ROFS;
return res_CREATE4.status;
}
/* Ask only for supported attributes */
if(!nfs4_Fattr_Supported(&arg_CREATE4.createattrs))
{
res_CREATE4.status = NFS4ERR_ATTRNOTSUPP;
return res_CREATE4.status;
}
/* Do not use READ attr, use WRITE attr */
if(!nfs4_Fattr_Check_Access(&arg_CREATE4.createattrs, FATTR4_ATTR_WRITE))
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
/* Check for name to long */
if(arg_CREATE4.objname.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_CREATE4.status = NFS4ERR_NAMETOOLONG;
return res_CREATE4.status;
}
/*
* This operation is used to create a non-regular file,
* this means: - a symbolic link
* - a block device file
* - a character device file
* - a socket file
* - a fifo
* - a directory
*
* You can't use this operation to create a regular file, you have to use NFS4_OP_OPEN for this
*/
/* Convert the UFT8 objname to a regular string */
if(arg_CREATE4.objname.utf8string_len == 0)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
if(utf82str(name.name, &arg_CREATE4.objname) == -1)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
name.len = strlen(name.name);
/* Sanuty check: never create a directory named '.' or '..' */
if(arg_CREATE4.objtype.type == NF4DIR)
{
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_CREATE4.status = NFS4ERR_BADNAME;
return res_CREATE4.status;
}
}
/* Filename should contain not slash */
for(i = 0; i < name.len; i++)
{
if(name.name[i] == '/')
{
res_CREATE4.status = NFS4ERR_BADCHAR;
return res_CREATE4.status;
}
}
/* Convert current FH into a cached entry, the current_pentry (assocated with the current FH will be used for this */
pentry_parent = data->current_entry;
/* The currentFH must point to a directory (objects are always created within a directory) */
if(data->current_filetype != DIR_BEGINNING && data->current_filetype != DIR_CONTINUE)
{
res_CREATE4.status = NFS4ERR_NOTDIR;
return res_CREATE4.status;
}
/* get attributes of parent directory, for 'change4' info replyed */
if((cache_status = cache_inode_getattr(pentry_parent,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* Change info for client cache coherency, pentry internal_md is used for that */
memset(&(res_CREATE4.CREATE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_CREATE4.CREATE4res_u.resok4.cinfo.before =
(changeid4) pentry_parent->internal_md.mod_time;
/* Convert the incoming fattr4 to a vattr structure, if such arguments are supplied */
if(arg_CREATE4.createattrs.attrmask.bitmap4_len != 0)
{
/* Arguments were supplied, extract them */
convrc = nfs4_Fattr_To_FSAL_attr(&sattr, &(arg_CREATE4.createattrs));
if(convrc == 0)
{
res_CREATE4.status = NFS4ERR_ATTRNOTSUPP;
return res_CREATE4.status;
}
if(convrc == -1)
{
res_CREATE4.status = NFS4ERR_BADXDR;
return res_CREATE4.status;
}
}
/* Create either a symbolic link or a directory */
switch (arg_CREATE4.objtype.type)
{
case NF4LNK:
/* Convert the name to link from into a regular string */
if(arg_CREATE4.objtype.createtype4_u.linkdata.utf8string_len == 0)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
else
{
if(utf82str
(create_arg.link_content.path,
&arg_CREATE4.objtype.createtype4_u.linkdata) == -1)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
create_arg.link_content.len = strlen(create_arg.link_content.path);
}
/* do the symlink operation */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
SYMBOLIC_LINK,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4DIR:
/* Create a new directory */
/* do the symlink operation */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
DIR_BEGINNING,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4SOCK:
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
SOCKET_FILE,
mode,
NULL,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4FIFO:
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
FIFO_FILE,
mode,
NULL,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4CHR:
create_arg.dev_spec.major = arg_CREATE4.objtype.createtype4_u.devdata.specdata1;
create_arg.dev_spec.minor = arg_CREATE4.objtype.createtype4_u.devdata.specdata2;
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
CHARACTER_FILE,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4BLK:
create_arg.dev_spec.major = arg_CREATE4.objtype.createtype4_u.devdata.specdata1;
create_arg.dev_spec.minor = arg_CREATE4.objtype.createtype4_u.devdata.specdata2;
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
BLOCK_FILE,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
default:
/* Should never happen, but return NFS4ERR_BADTYPE in this case */
res_CREATE4.status = NFS4ERR_BADTYPE;
return res_CREATE4.status;
break;
} /* switch( arg_CREATE4.objtype.type ) */
/* Now produce the filehandle to this file */
if((pnewfsal_handle = cache_inode_get_fsal_handle(pentry_new, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* Allocation of a new file handle */
if(nfs4_AllocateFH(&newfh4) != NFS4_OK)
{
res_CREATE4.status = NFS4ERR_SERVERFAULT;
return res_CREATE4.status;
}
/* Building the new file handle */
if(!nfs4_FSALToFhandle(&newfh4, pnewfsal_handle, data))
{
res_CREATE4.status = NFS4ERR_SERVERFAULT;
return res_CREATE4.status;
}
/* This new fh replaces the current FH */
data->currentFH.nfs_fh4_len = newfh4.nfs_fh4_len;
memcpy(data->currentFH.nfs_fh4_val, newfh4.nfs_fh4_val, newfh4.nfs_fh4_len);
/* No do not need newfh any more */
Mem_Free((char *)newfh4.nfs_fh4_val);
/* Set the mode if requested */
/* Use the same fattr mask for reply, if one attribute was not settable, NFS4ERR_ATTRNOTSUPP was replyied */
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len =
arg_CREATE4.createattrs.attrmask.bitmap4_len;
if(arg_CREATE4.createattrs.attrmask.bitmap4_len != 0)
{
if((cache_status = cache_inode_setattr(pentry_new,
&sattr,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* Allocate a new bitmap */
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val =
(unsigned int *)Mem_Alloc(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len *
sizeof(u_int));
if(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val == NULL)
{
res_CREATE4.status = NFS4ERR_SERVERFAULT;
return res_CREATE4.status;
}
memset(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val, 0,
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len);
memcpy(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val,
arg_CREATE4.createattrs.attrmask.bitmap4_val,
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len * sizeof(u_int));
}
/* Get the change info on parent directory after the operation was successfull */
if((cache_status = cache_inode_getattr(pentry_parent,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
memset(&(res_CREATE4.CREATE4res_u.resok4.cinfo.after), 0, sizeof(changeid4));
res_CREATE4.CREATE4res_u.resok4.cinfo.after =
(changeid4) pentry_parent->internal_md.mod_time;
/* Operation is supposed to be atomic .... */
res_CREATE4.CREATE4res_u.resok4.cinfo.atomic = TRUE;
LogFullDebug(COMPONENT_NFS_V4, " CREATE CINFO before = %llu after = %llu atomic = %d\n",
res_CREATE4.CREATE4res_u.resok4.cinfo.before,
res_CREATE4.CREATE4res_u.resok4.cinfo.after,
res_CREATE4.CREATE4res_u.resok4.cinfo.atomic);
/* @todo : BUGAZOMEU: fair ele free dans cette fonction */
/* Keep the vnode entry for the file in the compound data */
data->current_entry = pentry_new;
data->current_filetype = pentry_new->internal_md.type;
/* If you reach this point, then no error occured */
res_CREATE4.status = NFS4_OK;
return res_CREATE4.status;
} /* nfs4_op_create */
int nfs41_op_open(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
cache_entry_t *pentry_parent = NULL;
cache_entry_t *pentry_lookup = NULL;
cache_entry_t *pentry_newfile = NULL;
fsal_handle_t *pnewfsal_handle = NULL;
fsal_attrib_list_t attr_parent;
fsal_attrib_list_t attr;
fsal_attrib_list_t attr_newfile;
fsal_attrib_list_t sattr;
fsal_openflags_t openflags = 0;
cache_inode_status_t cache_status;
nfsstat4 rc;
int retval;
fsal_name_t filename;
bool_t AttrProvided = FALSE;
fsal_accessmode_t mode = 0600;
nfs_fh4 newfh4;
nfs_client_id_t nfs_clientid;
nfs_worker_data_t *pworker = NULL;
int convrc = 0;
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_open";
cache_inode_state_data_t candidate_data;
cache_inode_state_type_t candidate_type;
cache_inode_state_t *pfile_state = NULL;
cache_inode_state_t *pstate_found_iterate = NULL;
cache_inode_state_t *pstate_previous_iterate = NULL;
cache_inode_state_t *pstate_found_same_owner = NULL;
cache_inode_open_owner_name_t owner_name;
cache_inode_open_owner_name_t *powner_name = NULL;
cache_inode_open_owner_t *powner = NULL;
bool_t open_owner_known = FALSE;
resp->resop = NFS4_OP_OPEN;
res_OPEN4.status = NFS4_OK;
uint32_t tmp_attr[2];
uint_t tmp_int = 2;
int pnfs_status;
cache_inode_create_arg_t create_arg;
pworker = (nfs_worker_data_t *) data->pclient->pworker;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_OPEN4.status = NFS4ERR_NOFILEHANDLE;
return res_OPEN4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_OPEN4.status = NFS4ERR_BADHANDLE;
return res_OPEN4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_OPEN4.status = NFS4ERR_FHEXPIRED;
return res_OPEN4.status;
}
/* This can't be done on the pseudofs */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_OPEN4.status = NFS4ERR_ROFS;
return res_OPEN4.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_open_xattr(op, data, resp);
/* If data->current_entry is empty, repopulate it */
if(data->current_entry == NULL)
{
if((data->current_entry = nfs_FhandleToCache(NFS_V4,
NULL,
NULL,
&(data->currentFH),
NULL,
NULL,
&(res_OPEN4.status),
&attr,
data->pcontext,
data->pclient,
data->ht, &retval)) == NULL)
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
}
/* Set parent */
pentry_parent = data->current_entry;
/* First switch is based upon claim type */
switch (arg_OPEN4.claim.claim)
{
case CLAIM_DELEGATE_CUR:
case CLAIM_DELEGATE_PREV:
/* Check for name length */
if(arg_OPEN4.claim.open_claim4_u.file.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_OPEN4.status = NFS4ERR_NAMETOOLONG;
return res_OPEN4.status;
}
/* get the filename from the argument, it should not be empty */
if(arg_OPEN4.claim.open_claim4_u.file.utf8string_len == 0)
{
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
}
res_OPEN4.status = NFS4ERR_NOTSUPP;
return res_OPEN4.status;
break;
case CLAIM_NULL:
/* Check for name length */
if(arg_OPEN4.claim.open_claim4_u.file.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_OPEN4.status = NFS4ERR_NAMETOOLONG;
return res_OPEN4.status;
}
/* get the filename from the argument, it should not be empty */
if(arg_OPEN4.claim.open_claim4_u.file.utf8string_len == 0)
{
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
}
/* Check if asked attributes are correct */
if(arg_OPEN4.openhow.openflag4_u.how.mode == GUARDED4 ||
arg_OPEN4.openhow.openflag4_u.how.mode == UNCHECKED4)
{
if(!nfs4_Fattr_Supported
(&arg_OPEN4.openhow.openflag4_u.how.createhow4_u.createattrs))
{
res_OPEN4.status = NFS4ERR_ATTRNOTSUPP;
return res_OPEN4.status;
}
/* Do not use READ attr, use WRITE attr */
if(!nfs4_Fattr_Check_Access
(&arg_OPEN4.openhow.openflag4_u.how.createhow4_u.createattrs,
FATTR4_ATTR_WRITE))
{
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
}
}
/* Check if filename is correct */
if((cache_status =
cache_inode_error_convert(FSAL_buffdesc2name
((fsal_buffdesc_t *) & arg_OPEN4.claim.open_claim4_u.
file, &filename))) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
/* Check parent */
pentry_parent = data->current_entry;
/* Parent must be a directory */
if((pentry_parent->internal_md.type != DIR_BEGINNING) &&
(pentry_parent->internal_md.type != DIR_CONTINUE))
{
/* Parent object is not a directory... */
if(pentry_parent->internal_md.type == SYMBOLIC_LINK)
res_OPEN4.status = NFS4ERR_SYMLINK;
else
res_OPEN4.status = NFS4ERR_NOTDIR;
return res_OPEN4.status;
}
/* What kind of open is it ? */
LogFullDebug(COMPONENT_NFS_V4,
" OPEN: Claim type = %d Open Type = %d Share Deny = %d Share Access = %d \n",
arg_OPEN4.claim.claim, arg_OPEN4.openhow.opentype, arg_OPEN4.share_deny,
arg_OPEN4.share_access);
/* It this a known client id ? */
LogDebug(COMPONENT_NFS_V4, "OPEN Client id = %llx", arg_OPEN4.owner.clientid);
/* Is this open_owner known ? */
if(!nfs_convert_open_owner(&arg_OPEN4.owner, &owner_name))
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
if(!nfs_open_owner_Get_Pointer(&owner_name, &powner))
{
/* This open owner is not known yet, allocated and set up a new one */
GET_PREALLOC(powner,
data->pclient->pool_open_owner,
data->pclient->nb_pre_state_v4, cache_inode_open_owner_t, next);
GET_PREALLOC(powner_name,
data->pclient->pool_open_owner_name,
data->pclient->nb_pre_state_v4,
cache_inode_open_owner_name_t, next);
if(powner == NULL || powner_name == NULL)
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
memcpy((char *)powner_name, (char *)&owner_name,
sizeof(cache_inode_open_owner_name_t));
/* set up the content of the open_owner */
powner->confirmed = FALSE;
powner->seqid = 1; /* NFSv4.1 specific, initial seqid is 1 */
powner->related_owner = NULL;
powner->next = NULL;
powner->clientid = arg_OPEN4.owner.clientid;
powner->owner_len = arg_OPEN4.owner.owner.owner_len;
memcpy((char *)powner->owner_val, (char *)arg_OPEN4.owner.owner.owner_val,
arg_OPEN4.owner.owner.owner_len);
powner->owner_val[powner->owner_len] = '\0';
pthread_mutex_init(&powner->lock, NULL);
if(!nfs_open_owner_Set(powner_name, powner))
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
}
/* Status of parent directory before the operation */
if((cache_status = cache_inode_getattr(pentry_parent,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
memset(&(res_OPEN4.OPEN4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_OPEN4.OPEN4res_u.resok4.cinfo.before =
(changeid4) pentry_parent->internal_md.mod_time;
/* CLient may have provided fattr4 to set attributes at creation time */
if(arg_OPEN4.openhow.openflag4_u.how.mode == GUARDED4 ||
arg_OPEN4.openhow.openflag4_u.how.mode == UNCHECKED4)
{
if(arg_OPEN4.openhow.openflag4_u.how.createhow4_u.createattrs.attrmask.
bitmap4_len != 0)
{
/* Convert fattr4 so nfs4_sattr */
convrc =
nfs4_Fattr_To_FSAL_attr(&sattr,
&(arg_OPEN4.openhow.openflag4_u.how.
createhow4_u.createattrs));
if(convrc == 0)
{
res_OPEN4.status = NFS4ERR_ATTRNOTSUPP;
return res_OPEN4.status;
}
if(convrc == -1)
{
res_OPEN4.status = NFS4ERR_BADXDR;
return res_OPEN4.status;
}
AttrProvided = TRUE;
}
}
/* Second switch is based upon "openhow" */
switch (arg_OPEN4.openhow.opentype)
{
case OPEN4_CREATE:
/* a new file is to be created */
/* Does a file with this name already exist ? */
pentry_lookup = cache_inode_lookup(pentry_parent,
&filename,
&attr_newfile,
data->ht,
data->pclient,
data->pcontext, &cache_status);
if(cache_status != CACHE_INODE_NOT_FOUND)
{
/* if open is UNCHECKED, return NFS4_OK (RFC3530 page 172) */
if(arg_OPEN4.openhow.openflag4_u.how.mode == UNCHECKED4
&& (cache_status == CACHE_INODE_SUCCESS))
{
/* If the file is opened for write, OPEN4 while deny share write access,
* in this case, check caller has write access to the file */
if(arg_OPEN4.share_deny & OPEN4_SHARE_DENY_WRITE)
{
if(cache_inode_access(pentry_lookup,
FSAL_W_OK,
data->ht,
data->pclient,
data->pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
openflags = FSAL_O_WRONLY;
}
/* Same check on read: check for readability of a file before opening it for read */
if(arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_READ)
{
if(cache_inode_access(pentry_lookup,
FSAL_R_OK,
data->ht,
data->pclient,
data->pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
openflags = FSAL_O_RDONLY;
}
if(AttrProvided == TRUE) /* Set the attribute if provided */
{
if((cache_status = cache_inode_setattr(pentry_lookup,
&sattr,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) !=
CACHE_INODE_SUCCESS)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
res_OPEN4.OPEN4res_u.resok4.attrset =
arg_OPEN4.openhow.openflag4_u.how.createhow4_u.createattrs.
attrmask;
}
else
res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_len = 0;
/* Same check on write */
if(arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_WRITE)
{
if(cache_inode_access(pentry_lookup,
FSAL_W_OK,
data->ht,
data->pclient,
data->pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
openflags = FSAL_O_RDWR;
}
/* Set the state for the related file */
/* Prepare state management structure */
candidate_type = CACHE_INODE_STATE_SHARE;
candidate_data.share.share_deny = arg_OPEN4.share_deny;
candidate_data.share.share_access = arg_OPEN4.share_access;
if(cache_inode_add_state(pentry_lookup,
candidate_type,
&candidate_data,
powner,
data->pclient,
data->pcontext,
&pfile_state,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
return res_OPEN4.status;
}
/* Open the file */
if(cache_inode_open_by_name(pentry_parent,
&filename,
pentry_lookup,
data->pclient,
openflags,
data->pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_len = 2;
if((res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_val =
(uint32_t *) Mem_Alloc(res_OPEN4.OPEN4res_u.resok4.attrset.
bitmap4_len * sizeof(uint32_t))) == NULL)
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
memset(&(res_OPEN4.OPEN4res_u.resok4.cinfo.after), 0,
sizeof(changeid4));
res_OPEN4.OPEN4res_u.resok4.cinfo.after =
(changeid4) pentry_parent->internal_md.mod_time;
res_OPEN4.OPEN4res_u.resok4.cinfo.atomic = TRUE;
res_OPEN4.OPEN4res_u.resok4.stateid.seqid = pfile_state->seqid;
memcpy(res_OPEN4.OPEN4res_u.resok4.stateid.other,
pfile_state->stateid_other, 12);
/* No delegation */
res_OPEN4.OPEN4res_u.resok4.delegation.delegation_type =
OPEN_DELEGATE_NONE;
res_OPEN4.OPEN4res_u.resok4.rflags = OPEN4_RESULT_LOCKTYPE_POSIX;
/* Now produce the filehandle to this file */
if((pnewfsal_handle =
cache_inode_get_fsal_handle(pentry_lookup, &cache_status)) == NULL)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
/* Allocation of a new file handle */
if((rc = nfs4_AllocateFH(&newfh4)) != NFS4_OK)
{
res_OPEN4.status = rc;
return res_OPEN4.status;
}
/* Building a new fh */
if(!nfs4_FSALToFhandle(&newfh4, pnewfsal_handle, data))
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
/* This new fh replaces the current FH */
data->currentFH.nfs_fh4_len = newfh4.nfs_fh4_len;
memcpy(data->currentFH.nfs_fh4_val, newfh4.nfs_fh4_val,
newfh4.nfs_fh4_len);
data->current_entry = pentry_lookup;
data->current_filetype = REGULAR_FILE;
res_OPEN4.status = NFS4_OK;
return res_OPEN4.status;
}
/* if open is EXCLUSIVE, but verifier is the same, return NFS4_OK (RFC3530 page 173) */
if(arg_OPEN4.openhow.openflag4_u.how.mode == EXCLUSIVE4)
{
if((pentry_lookup != NULL)
&& (pentry_lookup->internal_md.type == REGULAR_FILE))
{
pstate_found_iterate = NULL;
pstate_previous_iterate = NULL;
do
{
cache_inode_state_iterate(pentry_lookup,
&pstate_found_iterate,
pstate_previous_iterate,
data->pclient,
data->pcontext, &cache_status);
if(cache_status == CACHE_INODE_STATE_ERROR)
break;
if(cache_status == CACHE_INODE_INVALID_ARGUMENT)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
}
/* Check is open_owner is the same */
if(pstate_found_iterate != NULL)
{
if((pstate_found_iterate->state_type ==
CACHE_INODE_STATE_SHARE)
&& !memcmp(arg_OPEN4.owner.owner.owner_val,
pstate_found_iterate->powner->owner_val,
pstate_found_iterate->powner->owner_len)
&& !memcmp(pstate_found_iterate->state_data.share.
oexcl_verifier,
arg_OPEN4.openhow.openflag4_u.how.
createhow4_u.createverf, NFS4_VERIFIER_SIZE))
{
/* A former open EXCLUSIVE with same owner and verifier was found, resend it */
res_OPEN4.OPEN4res_u.resok4.stateid.seqid =
pstate_found_iterate->seqid;
memcpy(res_OPEN4.OPEN4res_u.resok4.stateid.other,
pstate_found_iterate->stateid_other, 12);
memset(&(res_OPEN4.OPEN4res_u.resok4.cinfo.after), 0,
sizeof(changeid4));
res_OPEN4.OPEN4res_u.resok4.cinfo.after =
(changeid4) pentry_parent->internal_md.mod_time;
res_OPEN4.OPEN4res_u.resok4.cinfo.atomic = TRUE;
/* No delegation */
res_OPEN4.OPEN4res_u.resok4.delegation.delegation_type =
OPEN_DELEGATE_NONE;
res_OPEN4.OPEN4res_u.resok4.rflags =
OPEN4_RESULT_LOCKTYPE_POSIX;
/* Now produce the filehandle to this file */
if((pnewfsal_handle =
cache_inode_get_fsal_handle(pentry_lookup,
&cache_status)) == NULL)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
/* Allocation of a new file handle */
if((rc = nfs4_AllocateFH(&newfh4)) != NFS4_OK)
{
res_OPEN4.status = rc;
return res_OPEN4.status;
}
/* Building a new fh */
if(!nfs4_FSALToFhandle(&newfh4, pnewfsal_handle, data))
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
/* This new fh replaces the current FH */
data->currentFH.nfs_fh4_len = newfh4.nfs_fh4_len;
memcpy(data->currentFH.nfs_fh4_val, newfh4.nfs_fh4_val,
newfh4.nfs_fh4_len);
data->current_entry = pentry_lookup;
data->current_filetype = REGULAR_FILE;
/* regular exit */
res_OPEN4.status = NFS4_OK;
return res_OPEN4.status;
}
}
/* if( pstate_found_iterate != NULL ) */
pstate_previous_iterate = pstate_found_iterate;
}
while(pstate_found_iterate != NULL);
}
}
/* Managing GUARDED4 mode */
if(cache_status != CACHE_INODE_SUCCESS)
res_OPEN4.status = nfs4_Errno(cache_status);
else
res_OPEN4.status = NFS4ERR_EXIST; /* File already exists */
return res_OPEN4.status;
}
/* if( cache_status != CACHE_INODE_NOT_FOUND ), if file already exists basically */
LogFullDebug(COMPONENT_NFS_V4, " OPEN open.how = %d\n", arg_OPEN4.openhow.openflag4_u.how.mode);
create_arg.use_pnfs = FALSE;
#ifdef _USE_PNFS
/* set the file has "managed via pNFS" */
if(data->pexport->options & EXPORT_OPTION_USE_PNFS)
create_arg.use_pnfs = TRUE;
#endif /* _USE_PNFS */
/* Create the file, if we reach this point, it does not exist, we can create it */
if((pentry_newfile = cache_inode_create(pentry_parent,
&filename,
REGULAR_FILE,
mode,
&create_arg,
&attr_newfile,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
/* If the file already exists, this is not an error if open mode is UNCHECKED */
if(cache_status != CACHE_INODE_ENTRY_EXISTS)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
else
{
/* If this point is reached, then the file already exists, cache_status == CACHE_INODE_ENTRY_EXISTS and pentry_newfile == NULL
This probably means EXCLUSIVE4 mode is used and verifier matches. pentry_newfile is then set to pentry_lookup */
pentry_newfile = pentry_lookup;
}
}
/* Prepare state management structure */
candidate_type = CACHE_INODE_STATE_SHARE;
candidate_data.share.share_deny = arg_OPEN4.share_deny;
candidate_data.share.share_access = arg_OPEN4.share_access;
candidate_data.share.lockheld = 0;
/* If file is opened under mode EXCLUSIVE4, open verifier should be kept to detect non vicious double open */
if(arg_OPEN4.openhow.openflag4_u.how.mode == EXCLUSIVE4)
{
strncpy(candidate_data.share.oexcl_verifier,
arg_OPEN4.openhow.openflag4_u.how.createhow4_u.createverf,
NFS4_VERIFIER_SIZE);
}
if(cache_inode_add_state(pentry_newfile,
candidate_type,
&candidate_data,
powner,
data->pclient,
data->pcontext,
&pfile_state, &cache_status) != CACHE_INODE_SUCCESS)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
return res_OPEN4.status;
}
if(AttrProvided == TRUE) /* Set the attribute if provided */
{
if((cache_status = cache_inode_setattr(pentry_newfile,
&sattr,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) !=
CACHE_INODE_SUCCESS)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
}
/* Set the openflags variable */
if(arg_OPEN4.share_deny & OPEN4_SHARE_DENY_WRITE)
openflags |= FSAL_O_RDONLY;
if(arg_OPEN4.share_deny & OPEN4_SHARE_DENY_READ)
openflags |= FSAL_O_WRONLY;
if(arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_WRITE)
openflags = FSAL_O_RDWR;
if(arg_OPEN4.share_access != 0)
openflags = FSAL_O_RDWR; /* @todo : BUGAZOMEU : Something better later */
/* Open the file */
if(cache_inode_open_by_name(pentry_parent,
&filename,
pentry_newfile,
data->pclient,
openflags,
data->pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
break;
case OPEN4_NOCREATE:
/* It was not a creation, but a regular open */
/* The filehandle to the new file replaces the current filehandle */
if(pentry_newfile == NULL)
{
if((pentry_newfile = cache_inode_lookup(pentry_parent,
&filename,
&attr_newfile,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) == NULL)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
}
/* OPEN4 is to be done on a file */
if(pentry_newfile->internal_md.type != REGULAR_FILE)
{
if(pentry_newfile->internal_md.type == DIR_BEGINNING
|| pentry_newfile->internal_md.type == DIR_CONTINUE)
{
res_OPEN4.status = NFS4ERR_ISDIR;
return res_OPEN4.status;
}
else if(pentry_newfile->internal_md.type == SYMBOLIC_LINK)
{
res_OPEN4.status = NFS4ERR_SYMLINK;
return res_OPEN4.status;
}
else
{
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
}
}
/* If the file is opened for write, OPEN4 while deny share write access,
* in this case, check caller has write access to the file */
if(arg_OPEN4.share_deny & OPEN4_SHARE_DENY_WRITE)
{
if(cache_inode_access(pentry_newfile,
FSAL_W_OK,
data->ht,
data->pclient,
data->pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
openflags = FSAL_O_WRONLY;
}
/* Same check on read: check for readability of a file before opening it for read */
if(arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_READ)
{
if(cache_inode_access(pentry_newfile,
FSAL_R_OK,
data->ht,
data->pclient,
data->pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
openflags = FSAL_O_RDONLY;
}
/* Same check on write */
if(arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_WRITE)
{
if(cache_inode_access(pentry_newfile,
FSAL_W_OK,
data->ht,
data->pclient,
data->pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
openflags = FSAL_O_RDWR;
}
/* Try to find if the same open_owner already has acquired a stateid for this file */
pstate_found_iterate = NULL;
pstate_previous_iterate = NULL;
do
{
cache_inode_state_iterate(pentry_newfile,
&pstate_found_iterate,
pstate_previous_iterate,
data->pclient, data->pcontext, &cache_status);
if(cache_status == CACHE_INODE_STATE_ERROR)
break; /* Get out of the loop */
if(cache_status == CACHE_INODE_INVALID_ARGUMENT)
{
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
}
/* Check is open_owner is the same */
if(pstate_found_iterate != NULL)
{
if((pstate_found_iterate->state_type == CACHE_INODE_STATE_SHARE) &&
(pstate_found_iterate->powner->clientid == arg_OPEN4.owner.clientid)
&&
((pstate_found_iterate->powner->owner_len ==
arg_OPEN4.owner.owner.owner_len)
&&
(!memcmp
(arg_OPEN4.owner.owner.owner_val,
pstate_found_iterate->powner->owner_val,
pstate_found_iterate->powner->owner_len))))
{
/* We'll be re-using the found state */
pstate_found_same_owner = pstate_found_iterate;
}
else
{
/* This is a different owner, check for possible conflicts */
if(memcmp(arg_OPEN4.owner.owner.owner_val,
pstate_found_iterate->powner->owner_val,
pstate_found_iterate->powner->owner_len))
{
switch (pstate_found_iterate->state_type)
{
case CACHE_INODE_STATE_SHARE:
if((pstate_found_iterate->state_data.share.
share_access & OPEN4_SHARE_ACCESS_WRITE)
&& (arg_OPEN4.share_deny & OPEN4_SHARE_DENY_WRITE))
{
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
return res_OPEN4.status;
}
break;
}
}
}
/* In all cases opening in read access a read denied file or write access to a write denied file
* should fail, even if the owner is the same, see discussion in 14.2.16 and 8.9 */
if(pstate_found_iterate->state_type == CACHE_INODE_STATE_SHARE)
{
/* deny read access on read denied file */
if((pstate_found_iterate->state_data.share.
share_deny & OPEN4_SHARE_DENY_READ)
&& (arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_READ))
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
powner->seqid += 1;
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
return res_OPEN4.status;
}
/* deny write access on write denied file */
if((pstate_found_iterate->state_data.share.
share_deny & OPEN4_SHARE_DENY_WRITE)
&& (arg_OPEN4.share_access & OPEN4_SHARE_ACCESS_WRITE))
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
return res_OPEN4.status;
}
}
}
/* if( pstate_found_iterate != NULL ) */
pstate_previous_iterate = pstate_found_iterate;
}
while(pstate_found_iterate != NULL);
if(pstate_found_same_owner != NULL)
{
pfile_state = pstate_found_same_owner;
pfile_state->seqid += 1;
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
}
else
{
/* Set the state for the related file */
/* Prepare state management structure */
candidate_type = CACHE_INODE_STATE_SHARE;
candidate_data.share.share_deny = arg_OPEN4.share_deny;
candidate_data.share.share_access = arg_OPEN4.share_access;
if(cache_inode_add_state(pentry_newfile,
candidate_type,
&candidate_data,
powner,
data->pclient,
data->pcontext,
&pfile_state,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_SHARE_DENIED;
return res_OPEN4.status;
}
}
/* Open the file */
if(cache_inode_open_by_name(pentry_parent,
&filename,
pentry_newfile,
data->pclient,
openflags,
data->pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* Seqid has to be incremented even in this case */
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
res_OPEN4.status = NFS4ERR_ACCESS;
return res_OPEN4.status;
}
break;
default:
/* Seqid has to be incremented even in this case */
if(powner != NULL)
{
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
}
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
break;
} /* switch( arg_OPEN4.openhow.opentype ) */
break;
case CLAIM_PREVIOUS:
break;
default:
/* Seqid has to be incremented even in this case */
if(powner != NULL)
{
P(powner->lock);
powner->seqid += 1;
V(powner->lock);
}
res_OPEN4.status = NFS4ERR_INVAL;
return res_OPEN4.status;
break;
} /* switch( arg_OPEN4.claim.claim ) */
/* Now produce the filehandle to this file */
if((pnewfsal_handle =
cache_inode_get_fsal_handle(pentry_newfile, &cache_status)) == NULL)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
/* Allocation of a new file handle */
if((rc = nfs4_AllocateFH(&newfh4)) != NFS4_OK)
{
res_OPEN4.status = rc;
return res_OPEN4.status;
}
/* Building a new fh */
if(!nfs4_FSALToFhandle(&newfh4, pnewfsal_handle, data))
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
/* This new fh replaces the current FH */
data->currentFH.nfs_fh4_len = newfh4.nfs_fh4_len;
memcpy(data->currentFH.nfs_fh4_val, newfh4.nfs_fh4_val, newfh4.nfs_fh4_len);
data->current_entry = pentry_newfile;
data->current_filetype = REGULAR_FILE;
/* No do not need newfh any more */
Mem_Free((char *)newfh4.nfs_fh4_val);
/* Status of parent directory after the operation */
if((cache_status = cache_inode_getattr(pentry_parent,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_OPEN4.status = nfs4_Errno(cache_status);
return res_OPEN4.status;
}
res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_len = 2;
if((res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_val =
(uint32_t *) Mem_Alloc(res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_len *
sizeof(uint32_t))) == NULL)
{
res_OPEN4.status = NFS4ERR_SERVERFAULT;
return res_OPEN4.status;
}
res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_val[0] = 0; /* No Attributes set */
res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_val[1] = 0; /* No Attributes set */
if(arg_OPEN4.openhow.opentype == OPEN4_CREATE)
{
tmp_int = 2;
tmp_attr[0] = FATTR4_SIZE;
tmp_attr[1] = FATTR4_MODE;
nfs4_list_to_bitmap4(&(res_OPEN4.OPEN4res_u.resok4.attrset), &tmp_int, tmp_attr);
res_OPEN4.OPEN4res_u.resok4.attrset.bitmap4_len = 2;
}
res_OPEN4.OPEN4res_u.resok4.cinfo.after =
(changeid4) pentry_parent->internal_md.mod_time;
res_OPEN4.OPEN4res_u.resok4.cinfo.atomic = TRUE;
res_OPEN4.OPEN4res_u.resok4.stateid.seqid = powner->seqid;
memcpy(res_OPEN4.OPEN4res_u.resok4.stateid.other, pfile_state->stateid_other, 12);
/* No delegation */
res_OPEN4.OPEN4res_u.resok4.delegation.delegation_type = OPEN_DELEGATE_NONE;
res_OPEN4.OPEN4res_u.resok4.rflags = OPEN4_RESULT_LOCKTYPE_POSIX;
/* regular exit */
res_OPEN4.status = NFS4_OK;
return res_OPEN4.status;
} /* nfs41_op_open */
fsal_status_t PROXYFSAL_symlink(proxyfsal_handle_t * parent_directory_handle, /* IN */
fsal_name_t * p_linkname, /* IN */
fsal_path_t * p_linkcontent, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
fsal_accessmode_t accessmode, /* IN (ignored) */
proxyfsal_handle_t * link_handle, /* OUT */
fsal_attrib_list_t * link_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
bitmap4 bitmap;
uint32_t bitmap_val[2];
uint32_t bitmap_res[2];
uint32_t bitmap_mkdir[2];
uint32_t bitmap_getattr_res[2];
uint32_t bitmap_conv_val[2];
fattr4 input_attr;
bitmap4 convert_bitmap;
component4 name;
char nameval[MAXNAMLEN];
component4 linkname;
char linknameval[MAXNAMLEN];
char padfilehandle[FSAL_PROXY_FILEHANDLE_MAX_LEN];
fsal_proxy_internal_fattr_t fattr_internal;
fsal_attrib_list_t create_mode_attr;
fsal_attrib_list_t attributes;
#define FSAL_SYMLINK_NB_OP_ALLOC 4
#define FSAL_SYMLINK_VAL_BUFFER 1024
nfs_argop4 argoparray[FSAL_SYMLINK_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_SYMLINK_NB_OP_ALLOC];
char fattr_val[FSAL_SYMLINK_VAL_BUFFER];
struct timeval timeout = TIMEOUTRPC;
/* sanity checks.
* note : link_attributes is optional.
*/
if(!parent_directory_handle ||
!p_context || !link_handle || !p_linkname || !p_linkcontent)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_symlink);
/* Tests if symlinking is allowed by configuration. */
if(!global_fs_info.symlink_support)
Return(ERR_FSAL_NOTSUPP, 0, INDEX_FSAL_symlink);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Symlink" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
input_attr.attrmask.bitmap4_val = bitmap_val;
input_attr.attrmask.bitmap4_len = 2;
input_attr.attr_vals.attrlist4_val = fattr_val;
input_attr.attr_vals.attrlist4_len = FSAL_SYMLINK_VAL_BUFFER;
fsal_internal_proxy_setup_fattr(&fattr_internal);
convert_bitmap.bitmap4_val = bitmap_conv_val;
convert_bitmap.bitmap4_len = 2;
memset((char *)&name, 0, sizeof(component4));
name.utf8string_val = nameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_linkname, &name) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_symlink);
memset((char *)&linkname, 0, sizeof(component4));
linkname.utf8string_val = linknameval;
if(fsal_internal_proxy_fsal_path_2_utf8(p_linkcontent, &linkname) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_symlink);
/* Get NFSv4 File handle */
if(fsal_internal_proxy_extract_fh(&nfs4fh, parent_directory_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_symlink);
bitmap.bitmap4_val = bitmap_mkdir;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
create_mode_attr.asked_attributes = FSAL_ATTR_MODE;
create_mode_attr.mode = accessmode;
fsal_interval_proxy_fsalattr2bitmap4(&create_mode_attr, &convert_bitmap);
if(nfs4_FSALattr_To_Fattr(NULL, /* no exportlist required here */
&create_mode_attr, &input_attr, NULL, /* no compound data required here */
NULL, /* No fh here, filehandle is not a settable attribute */
&convert_bitmap) == -1)
Return(ERR_FSAL_INVAL, -1, INDEX_FSAL_symlink);
#define FSAL_SYMLINK_IDX_OP_PUTFH 0
#define FSAL_SYMLINK_IDX_OP_SYMLINK 1
#define FSAL_SYMLINK_IDX_OP_GETFH 2
#define FSAL_SYMLINK_IDX_OP_GETATTR 3
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_SYMLINK(argnfs4, name, linkname, input_attr);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_SYMLINK].nfs_resop4_u.opcreate.
CREATE4res_u.resok4.attrset.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_SYMLINK].nfs_resop4_u.opcreate.
CREATE4res_u.resok4.attrset.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = FSAL_PROXY_FILEHANDLE_MAX_LEN;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_getattr_res;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, 0, INDEX_FSAL_symlink);
}
ReleaseTokenFSCall();
/* >> convert error code, and return on error << */
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_symlink);
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(&attributes,
&resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETATTR].
nfs_resop4_u.opgetattr.GETATTR4res_u.resok4.
obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(attributes.asked_attributes);
FSAL_SET_MASK(attributes.asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_symlink);
}
if(link_attributes)
{
memcpy(link_attributes, &attributes, sizeof(attributes));
}
if(fsal_internal_proxy_create_fh
(&
(resnfs4.resarray.resarray_val[FSAL_SYMLINK_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object), FSAL_TYPE_LNK, attributes.fileid,
link_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_symlink);
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_symlink);
}
fsal_status_t PROXYFSAL_unlink(proxyfsal_handle_t * parentdir_handle, /* IN */
fsal_name_t * p_object_name, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
fsal_attrib_list_t * parentdir_attributes /* [IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
bitmap4 bitmap;
uint32_t bitmap_val[2];
component4 name;
char nameval[MAXNAMLEN];
#define FSAL_UNLINK_NB_OP_ALLOC 3
nfs_argop4 argoparray[FSAL_UNLINK_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_UNLINK_NB_OP_ALLOC];
uint32_t bitmap_res[2];
fsal_proxy_internal_fattr_t fattr_internal;
struct timeval timeout = TIMEOUTRPC;
/* sanity checks.
* note : parentdir_attributes are optional.
* parentdir_handle is mandatory,
* because, we do not allow to delete FS root !
*/
if(!parentdir_handle || !p_context || !p_object_name)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_unlink);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Unlink" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
/* >> retrieve root handle filehandle here << */
bitmap.bitmap4_val = bitmap_val;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
if(fsal_internal_proxy_extract_fh(&nfs4fh, parentdir_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_unlink);
memset((char *)&name, 0, sizeof(component4));
name.utf8string_val = nameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_object_name, &name) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_unlink);
#define FSAL_UNLINK_IDX_OP_PUTFH 0
#define FSAL_UNLINK_IDX_OP_REMOVE 1
#define FSAL_UNLINK_IDX_OP_GETATTR 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_REMOVE(argnfs4, name);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
resnfs4.resarray.resarray_val[FSAL_UNLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_UNLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_UNLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_UNLINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_unlink);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_unlink);
/* >> get post op attributes for the parent, if they are asked,
* and your filesystem didn't return them << */
if(parentdir_attributes)
{
if(nfs4_Fattr_To_FSAL_attr(parentdir_attributes,
&resnfs4.resarray.
resarray_val[FSAL_UNLINK_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(parentdir_attributes->asked_attributes);
FSAL_SET_MASK(parentdir_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_unlink);
}
}
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_unlink);
}
/**
* FSAL_create:
* Create a regular file.
*
* \param parent_directory_handle (input):
* Handle of the parent directory where the file is to be created.
* \param p_filename (input):
* Pointer to the name of the file to be created.
* \param cred (input):
* Authentication context for the operation (user, export...).
* \param accessmode (input):
* Mode for the file to be created.
* (the umask defined into the FSAL configuration file
* will be applied on it).
* \param object_handle (output):
* Pointer to the handle of the created file.
* \param object_attributes (optionnal input/output):
* The postop attributes of the created file.
* As input, it defines the attributes that the caller
* wants to retrieve (by positioning flags into this structure)
* and the output is built considering this input
* (it fills the structure according to the flags it contains).
* Can be NULL.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - ERR_FSAL_STALE (parent_directory_handle does not address an existing object)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Other error codes can be returned :
* ERR_FSAL_ACCESS, ERR_FSAL_EXIST, ERR_FSAL_IO, ...
*
* NB: if getting postop attributes failed,
* the function does not return an error
* but the FSAL_ATTR_RDATTR_ERR bit is set in
* the object_attributes->asked_attributes field.
*/
fsal_status_t PROXYFSAL_create(proxyfsal_handle_t * parent_directory_handle, /* IN */
fsal_name_t * p_filename, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
fsal_accessmode_t accessmode, /* IN */
proxyfsal_handle_t * object_handle, /* OUT */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
bitmap4 bitmap;
uint32_t bitmap_val[2];
uint32_t bitmap_res[2];
uint32_t bitmap_conv_val[2];
uint32_t bitmap_create[2];
uint32_t bitmap_getattr_res[2];
fattr4 input_attr;
bitmap4 convert_bitmap;
component4 name;
char nameval[MAXNAMLEN];
char padfilehandle[FSAL_PROXY_FILEHANDLE_MAX_LEN];
fsal_status_t fsal_status;
proxyfsal_file_t fd;
#define FSAL_CREATE_NB_OP_ALLOC 4
#define FSAL_CREATE_VAL_BUFFER 1024
fsal_proxy_internal_fattr_t fattr_internal;
fsal_attrib_list_t create_mode_attr;
fsal_attrib_list_t attributes;
nfs_argop4 argoparray[FSAL_CREATE_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_CREATE_NB_OP_ALLOC];
char fattr_val[FSAL_CREATE_VAL_BUFFER];
struct timeval timeout = { 25, 0 };
char owner_val[FSAL_PROXY_OWNER_LEN];
unsigned int owner_len = 0;
/* sanity checks.
* note : object_attributes is optional.
*/
if(!parent_directory_handle || !p_context || !object_handle || !p_filename)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_create);
PRINT_HANDLE("FSAL_create", parent_directory_handle);
/* Create the owner */
snprintf(owner_val, FSAL_PROXY_OWNER_LEN, "GANESHA/PROXY: pid=%u ctx=%p file=%llu",
getpid(), p_context, (unsigned long long int)p_context->file_counter);
owner_len = strnlen(owner_val, FSAL_PROXY_OWNER_LEN);
p_context->file_counter += 1;
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Mkdir" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
input_attr.attrmask.bitmap4_val = bitmap_val;
input_attr.attrmask.bitmap4_len = 2;
input_attr.attr_vals.attrlist4_val = fattr_val;
input_attr.attr_vals.attrlist4_len = FSAL_CREATE_VAL_BUFFER;
fsal_internal_proxy_setup_fattr(&fattr_internal);
convert_bitmap.bitmap4_val = bitmap_conv_val;
convert_bitmap.bitmap4_len = 2;
memset((char *)&name, 0, sizeof(component4));
name.utf8string_val = nameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_filename, &name) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_create);
/* Get NFSv4 File handle */
if(fsal_internal_proxy_extract_fh(&nfs4fh, parent_directory_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_create);
if(isFullDebug(COMPONENT_FSAL))
{
char outstr[1024];
nfs4_sprint_fhandle(&nfs4fh, outstr);
LogFullDebug(COMPONENT_FSAL, "FSAL_CREATE: extracted server (as client) parent handle=%s\n",
outstr);
}
bitmap.bitmap4_val = bitmap_create;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
create_mode_attr.asked_attributes = FSAL_ATTR_MODE;
create_mode_attr.mode = accessmode;
fsal_interval_proxy_fsalattr2bitmap4(&create_mode_attr, &convert_bitmap);
if(nfs4_FSALattr_To_Fattr(NULL, /* no exportlist required here */
&create_mode_attr, &input_attr, NULL, /* no compound data required here */
NULL, /* No fh here, filehandle is not a settable attribute */
&convert_bitmap) == -1)
Return(ERR_FSAL_INVAL, -1, INDEX_FSAL_create);
#define FSAL_CREATE_IDX_OP_PUTFH 0
#define FSAL_CREATE_IDX_OP_OPEN_CREATE 1
#define FSAL_CREATE_IDX_OP_GETFH 2
#define FSAL_CREATE_IDX_OP_GETATTR 3
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_OPEN_CREATE(argnfs4, name, input_attr, p_context->clientid,
owner_val, owner_len);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_OPEN_CREATE].nfs_resop4_u.opopen.
OPEN4res_u.resok4.attrset.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_OPEN_CREATE].nfs_resop4_u.opopen.
OPEN4res_u.resok4.attrset.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = FSAL_PROXY_FILEHANDLE_MAX_LEN;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_getattr_res;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_create);
}
ReleaseTokenFSCall();
/* >> convert error code, and return on error << */
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_create);
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(&attributes,
&resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETATTR].
nfs_resop4_u.opgetattr.GETATTR4res_u.resok4.
obj_attributes) != 1)
{
FSAL_CLEAR_MASK(attributes.asked_attributes);
FSAL_SET_MASK(attributes.asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_create);
}
/* Return attributes if asked */
if(object_attributes)
{
memcpy(object_attributes, &attributes, sizeof(attributes));
}
if(isFullDebug(COMPONENT_FSAL))
{
char outstr[1024];
nfs4_sprint_fhandle(&nfs4fh, outstr);
LogFullDebug(COMPONENT_FSAL, "FSAL_CREATE: extracted server (as client) created file handle=%s\n",
outstr);
}
if(fsal_internal_proxy_create_fh
(&
(resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object), FSAL_TYPE_FILE, attributes.fileid,
object_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_create);
/* Keep the information into the file descriptor as well */
memcpy((char *)&fd.fhandle, (char *)object_handle, sizeof(fd.fhandle));
fd.openflags = FSAL_O_RDWR;
fd.current_offset = 0;
fd.pcontext = p_context;
/* Keep the returned stateid for later use */
fd.stateid.seqid =
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_OPEN_CREATE].nfs_resop4_u.opopen.
OPEN4res_u.resok4.stateid.seqid;
memcpy((char *)fd.stateid.other,
resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_OPEN_CREATE].nfs_resop4_u.
opopen.OPEN4res_u.resok4.stateid.other, 12);
/* See if a OPEN_CONFIRM is required */
if(resnfs4.resarray.resarray_val[FSAL_CREATE_IDX_OP_OPEN_CREATE].nfs_resop4_u.opopen.
OPEN4res_u.resok4.rflags & OPEN4_RESULT_CONFIRM)
{
fsal_status = FSAL_proxy_open_confirm(&fd);
if(FSAL_IS_ERROR(fsal_status))
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_create);
}
#ifdef _FSAL_CREATE_CLOSE_FILE
/* The craeted file is still opened, to preserve the correct seqid for later use, we close it */
fsal_status = FSAL_close(&fd);
if(FSAL_IS_ERROR(fsal_status))
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_create);
#endif
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_create);
} /* FSAL_create */
/**
* FSAL_link:
* Create a hardlink.
*
* \param target_handle (input):
* Handle of the target object.
* \param dir_handle (input):
* Pointer to the directory handle where
* the hardlink is to be created.
* \param p_link_name (input):
* Pointer to the name of the hardlink to be created.
* \param cred (input):
* Authentication context for the operation (user,...).
* \param accessmode (input):
* Mode for the directory to be created.
* (the umask defined into the FSAL configuration file
* will be applied on it).
* \param attributes (optionnal input/output):
* The post_operation attributes of the linked object.
* As input, it defines the attributes that the caller
* wants to retrieve (by positioning flags into this structure)
* and the output is built considering this input
* (it fills the structure according to the flags it contains).
* May be NULL.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - ERR_FSAL_STALE (target_handle or dir_handle does not address an existing object)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Other error codes can be returned :
* ERR_FSAL_ACCESS, ERR_FSAL_EXIST, ERR_FSAL_IO, ...
*
* NB: if getting postop attributes failed,
* the function does not return an error
* but the FSAL_ATTR_RDATTR_ERR bit is set in
* the attributes->asked_attributes field.
*/
fsal_status_t PROXYFSAL_link(proxyfsal_handle_t * target_handle, /* IN */
proxyfsal_handle_t * dir_handle, /* IN */
fsal_name_t * p_link_name, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
fsal_attrib_list_t * attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh_target;
nfs_fh4 nfs4fh_dest;
bitmap4 bitmap;
uint32_t bitmap_val[2];
uint32_t bitmap_res[2];
component4 name;
char nameval[MAXNAMLEN];
fsal_proxy_internal_fattr_t fattr_internal;
struct timeval timeout = { 25, 0 };
/* sanity checks.
* note : attributes is optional.
*/
if(!target_handle || !dir_handle || !p_context || !p_link_name)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_link);
/* Tests if hardlinking is allowed by configuration. */
if(!global_fs_info.link_support)
Return(ERR_FSAL_NOTSUPP, 0, INDEX_FSAL_link);
#define FSAL_LINK_NB_OP_ALLOC 6
nfs_argop4 argoparray[FSAL_LINK_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_LINK_NB_OP_ALLOC];
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Link" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
bitmap.bitmap4_val = bitmap_val;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
if(fsal_internal_proxy_extract_fh(&nfs4fh_target, target_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_link);
if(fsal_internal_proxy_extract_fh(&nfs4fh_dest, dir_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_link);
memset((char *)&name, 0, sizeof(component4));
name.utf8string_val = nameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_link_name, &name) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_link);
#define FSAL_LINK_IDX_OP_PUTFH_TARGET 0
#define FSAL_LINK_IDX_OP_SAVEFH 1
#define FSAL_LINK_IDX_OP_PUTFH_DEST 2
#define FSAL_LINK_IDX_OP_LINK 3
#define FSAL_LINK_IDX_OP_RESTOREFH 4
#define FSAL_LINK_IDX_OP_GETATTR 5
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh_target);
COMPOUNDV4_ARG_ADD_OP_SAVEFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh_dest);
COMPOUNDV4_ARG_ADD_OP_LINK(argnfs4, name);
COMPOUNDV4_ARG_ADD_OP_RESTOREFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
resnfs4.resarray.resarray_val[FSAL_LINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LINK_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_link);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_link);
if(attributes)
{
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(attributes,
&resnfs4.resarray.
resarray_val[FSAL_LINK_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != 1)
{
FSAL_CLEAR_MASK(attributes->asked_attributes);
FSAL_SET_MASK(attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_link);
}
}
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_link);
}
fsal_status_t PROXYFSAL_truncate(fsal_handle_t * file_hdl, /* IN */
fsal_op_context_t * context, /* IN */
fsal_size_t length, /* IN */
fsal_file_t * file_descriptor, /* [IN|OUT] */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
uint64_t fileid;
fsal_status_t fsal_status;
fsal_attrib_list_t open_attrs;
bitmap4 inbitmap;
bitmap4 convert_bitmap;
uint32_t inbitmap_val[2];
uint32_t bitmap_res[2];
uint32_t bitmap_set[2];
uint32_t bitmap_conv_val[2];
proxyfsal_handle_t * filehandle = (proxyfsal_handle_t *)file_hdl;
proxyfsal_op_context_t * p_context = (proxyfsal_op_context_t *)context;
#define FSAL_TRUNCATE_NB_OP_ALLOC 3
nfs_argop4 argoparray[FSAL_TRUNCATE_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_TRUNCATE_NB_OP_ALLOC];
fsal_attrib_list_t fsal_attr_set;
fattr4 fattr_set;
fsal_proxy_internal_fattr_t fattr_internal;
struct timeval timeout = TIMEOUTRPC;
/* sanity checks.
* note : object_attributes is optional.
*/
if(!filehandle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate);
if(filehandle->data.object_type_reminder != FSAL_TYPE_FILE)
{
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate);
}
if(file_descriptor == NULL)
{
/* Use the stateless version */
fsal_status = FSAL_proxy_truncate_stateless(file_hdl,
context, length, object_attributes);
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate);
}
/* First, we need to get the fileid on a filehandle base */
fsal_status = FSAL_DigestHandle(context->export_context,
FSAL_DIGEST_FILEID4, file_hdl, (caddr_t) & fileid);
if(FSAL_IS_ERROR(fsal_status))
{
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate);
}
/* Then we have of open the file by fileid */
open_attrs.asked_attributes = FSAL_ATTRS_POSIX;
fsal_status = FSAL_open_by_fileid(file_hdl,
fileid,
context, FSAL_O_RDWR, file_descriptor, &open_attrs);
if(FSAL_IS_ERROR(fsal_status))
{
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate);
}
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Truncate" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
/* Get NFSv4 File handle */
if(fsal_internal_proxy_extract_fh(&nfs4fh, file_hdl) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_truncate);
/* Get prepared for truncate */
fsal_attr_set.asked_attributes = FSAL_ATTR_SIZE;
fsal_attr_set.filesize = length;
convert_bitmap.bitmap4_val = bitmap_conv_val;
convert_bitmap.bitmap4_len = 2;
fsal_interval_proxy_fsalattr2bitmap4(&fsal_attr_set, &convert_bitmap);
if(nfs4_FSALattr_To_Fattr(NULL, /* no exportlist required here */
&fsal_attr_set, &fattr_set, NULL, /* no compound data required here */
NULL, /* No fh here, filehandle is not a settable attribute */
&convert_bitmap) == -1)
Return(ERR_FSAL_INVAL, -1, INDEX_FSAL_truncate);
inbitmap.bitmap4_val = inbitmap_val;
inbitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&inbitmap);
#define FSAL_TRUNCATE_IDX_OP_PUTFH 0
#define FSAL_TRUNCATE_IDX_OP_SETATTR 1
#define FSAL_TRUNCATE_IDX_OP_GETATTR 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_SETATTR(argnfs4, fattr_set);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, inbitmap);
/* For ATTR_SIZE, stateid is needed */
argnfs4.argarray.argarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_argop4_u.opsetattr.
stateid.seqid = ((proxyfsal_file_t *)file_descriptor)->stateid.seqid;
memcpy(argnfs4.argarray.argarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_argop4_u.
opsetattr.stateid.other, ((proxyfsal_file_t *)file_descriptor)->stateid.other, 12);
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_resop4_u.opsetattr.
attrsset.bitmap4_val = bitmap_set;
resnfs4.resarray.resarray_val[FSAL_TRUNCATE_IDX_OP_SETATTR].nfs_resop4_u.opsetattr.
attrsset.bitmap4_len = 2;
TakeTokenFSCall();
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, 0, INDEX_FSAL_truncate);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_truncate);
/* >> interpret error code << */
/* >> Optionnaly retrieve post op attributes
* If your filesystem truncate call can't return them,
* you can proceed like this : <<
*/
if(object_attributes)
{
if(nfs4_Fattr_To_FSAL_attr(object_attributes,
&resnfs4.resarray.
resarray_val[FSAL_TRUNCATE_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_truncate);
}
}
/* Close the previously opened filedescriptor */
fsal_status = FSAL_close_by_fileid(file_descriptor, fileid);
if(FSAL_IS_ERROR(fsal_status))
{
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_truncate);
}
/* No error occured */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_truncate);
}
/**
* PROXYFSAL_access :
* Tests whether the user or entity identified by the p_context structure
* can access the object identified by object_handle,
* as indicated by the access_type parameter.
*
* \param object_handle (input):
* The handle of the object to test permissions on.
* \param p_context (input):
* Authentication context for the operation (export entry, user,...).
* \param access_type (input):
* Indicates the permissions to be tested.
* This is an inclusive OR of the permissions
* to be checked for the user specified by p_context.
* Permissions constants are :
* - FSAL_R_OK : test for read permission
* - FSAL_W_OK : test for write permission
* - FSAL_X_OK : test for exec permission
* - FSAL_F_OK : test for file existence
* \param object_attributes (optional input/output):
* The post operation attributes for the object.
* As input, it defines the attributes that the caller
* wants to retrieve (by positioning flags into this structure)
* and the output is built considering this input
* (it fills the structure according to the flags it contains).
* Can be NULL.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error, asked permission is granted)
* - ERR_FSAL_ACCESS (object permissions doesn't fit asked access type)
* - ERR_FSAL_STALE (object_handle does not address an existing object)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Other error codes when something anormal occurs.
*/
fsal_status_t PROXYFSAL_access(fsal_handle_t * object_handle, /* IN */
fsal_op_context_t *context, /* IN */
fsal_accessflags_t access_type, /* IN */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
bitmap4 bitmap;
uint32_t bitmap_val[2];
uint32_t bitmap_res[2];
uint32_t accessflag = 0;
proxyfsal_op_context_t * p_context = (proxyfsal_op_context_t *)context;
fsal_proxy_internal_fattr_t fattr_internal;
struct timeval __attribute__ ((__unused__)) timeout = TIMEOUTRPC;
nfs_fh4 nfs4fh;
#define FSAL_ACCESS_NB_OP_ACCESS 3
nfs_argop4 argoparray[FSAL_ACCESS_NB_OP_ACCESS];
nfs_resop4 resoparray[FSAL_ACCESS_NB_OP_ACCESS];
/* sanity checks.
* note : object_attributes is optional in PROXYFSAL_access.
*/
if(!object_handle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_access);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Access" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
bitmap.bitmap4_val = bitmap_val;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
/* Set up access flags */
if(access_type & FSAL_R_OK)
accessflag |= ACCESS4_READ;
if(access_type & FSAL_X_OK)
accessflag |= ACCESS4_LOOKUP;
if(access_type & FSAL_W_OK)
accessflag |= (ACCESS4_MODIFY & ACCESS4_EXTEND);
if(access_type & FSAL_F_OK)
accessflag |= ACCESS4_LOOKUP;
/* >> convert your fsal access type to your FS access type << */
/* Get NFSv4 File handle */
if(fsal_internal_proxy_extract_fh(&nfs4fh, object_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_access);
#define FSAL_ACCESS_IDX_OP_PUTFH 0
#define FSAL_ACCESS_IDX_OP_ACCESS 1
#define FSAL_ACCESS_IDX_OP_GETATTR 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_ACCESS(argnfs4, accessflag);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
resnfs4.resarray.resarray_val[FSAL_ACCESS_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_ACCESS_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_ACCESS_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_ACCESS_IDX_OP_GETATTR].nfs_resop4_u.opgetattr.
GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, resnfs4.status, INDEX_FSAL_access);
}
ReleaseTokenFSCall();
/* >> convert the returned code, an return it on error << */
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_access);
/* get attributes if object_attributes is not null.
* If an error occures during getattr operation,
* an error bit is set in the output structure.
*/
if(object_attributes)
{
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(object_attributes,
&resnfs4.resarray.
resarray_val[FSAL_ACCESS_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_access);
}
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_access);
}
