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_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_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 */