/**
* FSAL_link:
* Create a hardlink.
*
* \param exttarget (input):
* Handle of the target object.
* \param extdir (input):
* Pointer to the directory handle where
* the hardlink is to be created.
* \param link_name (input):
* Pointer to the name of the hardlink to be created.
* \param extcontext (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 or dir 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 CEPHFSAL_link(fsal_handle_t * exttarget,
fsal_handle_t * extdir,
fsal_name_t * link_name,
fsal_op_context_t * extcontext,
fsal_attrib_list_t * attributes)
{
int rc;
struct stat st;
char strname[FSAL_MAX_NAME_LEN];
cephfsal_handle_t* target = (cephfsal_handle_t*) exttarget;
cephfsal_handle_t* dir = (cephfsal_handle_t*) extdir;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) context;
struct ceph_mount_info *cmount = context->export_context->cmount;
int uid = FSAL_OP_CONTEXT_TO_UID(context);
int gid = FSAL_OP_CONTEXT_TO_GID(context);
/* sanity checks.
* note : attributes is optional.
*/
if(!target || !dir || !context || !link_name)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_link);
memset(target, 0, sizeof(cephfsal_handle_t));
/* Tests if hardlinking is allowed by configuration. */
if(!global_fs_info.link_support)
Return(ERR_FSAL_NOTSUPP, 0, INDEX_FSAL_link);
FSAL_name2str(link_name, strname, FSAL_MAX_NAME_LEN);
TakeTokenFSCall();
rc = ceph_ll_link(cmount, VINODE(target), VINODE(dir), strname, &st,
uid, gid);
ReleaseTokenFSCall();
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_link);
if(attributes)
{
fsal_status_t status;
status = posix2fsal_attributes(&st, attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(attributes->asked_attributes);
FSAL_SET_MASK(attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_link);
}
}
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_link);
}
fsal_status_t FSAL_rename_access_default(fsal_op_context_t * pcontext, /* IN */
fsal_attrib_list_t * pattrsrc, /* IN */
fsal_attrib_list_t * pattrdest, /* IN */
fsal_attrib_list_t * pattrobj) /* IN */
{
fsal_status_t fsal_status;
if(!pcontext || !pattrsrc || !pattrdest || !pattrobj)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename_access);
/* Sticky Bit on the parent directory? */
if(pattrsrc->mode & FSAL_MODE_SVTX)
{
/* The user must own the file or the parent directory. */
if( ( pattrsrc->owner != FSAL_OP_CONTEXT_TO_UID(pcontext) )
|| ( pattrobj->owner != FSAL_OP_CONTEXT_TO_UID(pcontext) ) )
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_rename_access);
}
/* Sticky Bit on the destination directory? */
if(pattrdest->mode & FSAL_MODE_SVTX)
{
/* The user must own the file or the destination directory. */
if( ( pattrdest->owner != FSAL_OP_CONTEXT_TO_UID(pcontext) )
|| ( pattrobj->owner != FSAL_OP_CONTEXT_TO_UID(pcontext) ) )
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_rename_access);
}
/* The user must be able to lookup and write the parent directory. */
fsal_status = FSAL_test_access_default(pcontext, ( FSAL_W_OK | FSAL_X_OK ), pattrsrc);
if(FSAL_IS_ERROR(fsal_status))
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_rename_access);
/* The user must be able to lookup and write the destination directory. */
fsal_status = FSAL_test_access_default(pcontext, ( FSAL_W_OK | FSAL_X_OK ), pattrdest);
if(FSAL_IS_ERROR(fsal_status))
Return(fsal_status.major, fsal_status.minor, INDEX_FSAL_rename_access);
/* If this point is reached, then access is granted */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_rename_access);
} /* FSAL_rename_access */
/**
* FSAL_opendir :
* Opens a directory for reading its content.
*
* \param exthandle (input)
* the handle of the directory to be opened.
* \param extcontext (input)
* Permission context for the operation (user, export context...).
* \param extdescriptor (output)
* pointer to an allocated structure that will receive
* directory stream informations, on successfull completion.
* \param attributes (optional output)
* On successfull completion,the structure pointed
* by dir_attributes receives the new directory attributes.
* Can be NULL.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - ERR_FSAL_ACCESS (user does not have read permission on directory)
* - ERR_FSAL_STALE (exthandle 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_IO, ...
*/
fsal_status_t CEPHFSAL_opendir(fsal_handle_t * exthandle,
fsal_op_context_t * extcontext,
fsal_dir_t * extdescriptor,
fsal_attrib_list_t * dir_attributes)
{
cephfsal_handle_t* handle = (cephfsal_handle_t*) exthandle;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) extcontext;
cephfsal_dir_t* descriptor = (cephfsal_dir_t*) extdescriptor;
fsal_status_t status;
int rc;
int uid = FSAL_OP_CONTEXT_TO_UID(context);
int gid = FSAL_OP_CONTEXT_TO_GID(context);
struct ceph_dir_result *dh;
/* sanity checks
* note : dir_attributes is optional.
*/
if(!handle || !context || !descriptor)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_opendir);
TakeTokenFSCall();
/* XXX ceph_ll_opendir has void in the interface, but Client::ll_opendir
* is using dir_result_t. */
rc = ceph_ll_opendir(context->export_context->cmount, VINODE(handle),
(void *) &dh, uid, gid);
ReleaseTokenFSCall();
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_opendir);
descriptor->dh = dh;
descriptor->vi = VINODE(handle);
descriptor->ctx = *context;
if(dir_attributes)
{
status = CEPHFSAL_getattrs(exthandle, extcontext, dir_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(dir_attributes->asked_attributes);
FSAL_SET_MASK(dir_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
}
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_opendir);
}
/**
* FSAL_getattrs:
* Get attributes for the object specified by its filehandle.
*
* \param filehandle (input):
* The handle of the object to get parameters.
* \param context (input):
* Authentication context for the operation (user, export...).
* \param object_attributes (mandatory input/output):
* The retrieved 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).
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - ERR_FSAL_STALE (object_handle does not address an existing object)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Another error code if an error occured.
*/
fsal_status_t CEPHFSAL_getattrs(fsal_handle_t * exthandle,
fsal_op_context_t * extcontext,
fsal_attrib_list_t * object_attributes)
{
int rc;
struct stat st;
fsal_status_t status;
cephfsal_handle_t* filehandle = (cephfsal_handle_t*) exthandle;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) extcontext;
int uid = FSAL_OP_CONTEXT_TO_UID(context);
int gid = FSAL_OP_CONTEXT_TO_GID(context);
/* sanity checks.
* note : object_attributes is mandatory in FSAL_getattrs.
*/
if(!filehandle || !context || !object_attributes)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_getattrs);
TakeTokenFSCall();
rc = ceph_ll_getattr(context->export_context->cmount, VINODE(filehandle),
&st, uid, gid);
ReleaseTokenFSCall();
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_getattrs);
/* convert attributes */
status = posix2fsal_attributes(&st, object_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_getattrs);
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_getattrs);
}
int nfs_Create(nfs_arg_t *parg,
exportlist_t *pexport,
fsal_op_context_t *pcontext,
nfs_worker_data_t *pworker,
struct svc_req *preq,
nfs_res_t *pres)
{
char *str_file_name = NULL;
fsal_name_t file_name;
fsal_accessmode_t mode = 0;
cache_entry_t *file_pentry = NULL;
cache_entry_t *parent_pentry = NULL;
fsal_attrib_list_t parent_attr;
fsal_attrib_list_t attr;
fsal_attrib_list_t attr_parent_after;
fsal_attrib_list_t attr_newfile;
fsal_attrib_list_t attributes_create;
fsal_attrib_list_t *ppre_attr;
cache_inode_status_t cache_status = CACHE_INODE_SUCCESS;
cache_inode_status_t cache_status_lookup;
cache_inode_file_type_t parent_filetype;
int rc = NFS_REQ_OK;
#ifdef _USE_QUOTA
fsal_status_t fsal_status ;
#endif
if(isDebug(COMPONENT_NFSPROTO))
{
char str[LEN_FH_STR];
switch (preq->rq_vers)
{
case NFS_V2:
str_file_name = parg->arg_create2.where.name;
break;
case NFS_V3:
str_file_name = parg->arg_create3.where.name;
break;
}
nfs_FhandleToStr(preq->rq_vers,
&(parg->arg_create2.where.dir),
&(parg->arg_create3.where.dir),
NULL,
str);
LogDebug(COMPONENT_NFSPROTO,
"REQUEST PROCESSING: Calling nfs_Create handle: %s name: %s",
str, str_file_name);
}
if((preq->rq_vers == NFS_V3) && (nfs3_Is_Fh_Xattr(&(parg->arg_create3.where.dir))))
{
rc = nfs3_Create_Xattr(parg, pexport, pcontext, preq, pres);
goto out;
}
if(preq->rq_vers == NFS_V3)
{
/* to avoid setting it on each error case */
pres->res_create3.CREATE3res_u.resfail.dir_wcc.before.attributes_follow = FALSE;
pres->res_create3.CREATE3res_u.resfail.dir_wcc.after.attributes_follow = FALSE;
ppre_attr = NULL;
}
if((parent_pentry = nfs_FhandleToCache(preq->rq_vers,
&(parg->arg_create2.where.dir),
&(parg->arg_create3.where.dir),
NULL,
&(pres->res_dirop2.status),
&(pres->res_create3.status),
NULL,
&parent_attr,
pcontext, &rc)) == NULL)
{
/* Stale NFS FH ? */
goto out;
}
/* get directory attributes before action (for V3 reply) */
ppre_attr = &parent_attr;
/* Extract the filetype */
parent_filetype = cache_inode_fsal_type_convert(parent_attr.type);
/*
* Sanity checks: new file name must be non-null; parent must be a
* directory.
*/
if(parent_filetype != DIRECTORY)
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_NOTDIR;
break;
case NFS_V3:
pres->res_create3.status = NFS3ERR_NOTDIR;
break;
}
rc = NFS_REQ_OK;
goto out;
}
switch (preq->rq_vers)
{
case NFS_V2:
str_file_name = parg->arg_create2.where.name;
if(parg->arg_create2.attributes.mode != (unsigned int)-1)
{
mode = unix2fsal_mode(parg->arg_create2.attributes.mode);
}
else
{
mode = 0;
}
break;
case NFS_V3:
str_file_name = parg->arg_create3.where.name;
if(parg->arg_create3.how.mode == EXCLUSIVE)
{
/*
* Client has not provided mode information.
* If the create works, the client will issue
* a separate setattr request to fix up the
* file's mode, so pick arbitrary value for now.
*/
mode = 0;
}
else if(parg->arg_create3.how.createhow3_u.obj_attributes.mode.set_it == TRUE)
mode =
unix2fsal_mode(parg->arg_create3.how.createhow3_u.obj_attributes.mode.
set_mode3_u.mode);
else
mode = 0;
break;
}
#ifdef _USE_QUOTA
/* if quota support is active, then we should check is the FSAL allows inode creation or not */
fsal_status = FSAL_check_quota( pexport->fullpath,
FSAL_QUOTA_INODES,
FSAL_OP_CONTEXT_TO_UID( pcontext ) ) ;
if( FSAL_IS_ERROR( fsal_status ) )
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_DQUOT ;
break;
case NFS_V3:
pres->res_create3.status = NFS3ERR_DQUOT;
break;
}
rc = NFS_REQ_OK ;
goto out;
}
#endif /* _USE_QUOTA */
// if(str_file_name == NULL || strlen(str_file_name) == 0)
if(str_file_name == NULL || *str_file_name == '\0' )
{
if(preq->rq_vers == NFS_V2)
pres->res_dirop2.status = NFSERR_IO;
if(preq->rq_vers == NFS_V3)
pres->res_create3.status = NFS3ERR_INVAL;
}
else
{
if((cache_status = cache_inode_error_convert(FSAL_str2name(str_file_name,
FSAL_MAX_NAME_LEN,
&file_name))) ==
CACHE_INODE_SUCCESS)
{
/*
* Lookup file to see if it exists. If so, use it. Otherwise
* create a new one.
*/
file_pentry = cache_inode_lookup(parent_pentry,
&file_name,
&attr,
pcontext,
&cache_status_lookup);
if((cache_status_lookup == CACHE_INODE_NOT_FOUND) ||
((cache_status_lookup == CACHE_INODE_SUCCESS)
&& (parg->arg_create3.how.mode == UNCHECKED)))
{
/* Create the file */
if((parg->arg_create3.how.mode == UNCHECKED)
&& (cache_status_lookup == CACHE_INODE_SUCCESS))
{
cache_status = CACHE_INODE_SUCCESS;
attr_newfile = attr;
}
else
file_pentry = cache_inode_create(parent_pentry,
&file_name,
REGULAR_FILE,
mode,
NULL,
&attr_newfile,
pcontext, &cache_status);
if(file_pentry != NULL)
{
/*
* Look at sattr to see if some attributes are to be set at creation time
*/
attributes_create.asked_attributes = 0ULL;
switch (preq->rq_vers)
{
case NFS_V2:
if(nfs2_Sattr_To_FSALattr(&attributes_create,
&parg->arg_create2.attributes) == 0)
{
pres->res_dirop2.status = NFSERR_IO;
rc = NFS_REQ_OK;
goto out;
break;
}
break;
case NFS_V3:
if(nfs3_Sattr_To_FSALattr(&attributes_create,
&parg->arg_create3.how.createhow3_u.
obj_attributes) == 0)
{
pres->res_create3.status = NFS3ERR_INVAL;
rc = NFS_REQ_OK;
goto out;
}
break;
}
/* Mode is managed above (in cache_inode_create), there is no need
* to manage it */
if(attributes_create.asked_attributes & FSAL_ATTR_MODE)
attributes_create.asked_attributes &= ~FSAL_ATTR_MODE;
/* Some clients (like Solaris 10) try to set the size of the file to 0
* at creation time. The FSAL create empty file, so we ignore this */
if(attributes_create.asked_attributes & FSAL_ATTR_SIZE)
attributes_create.asked_attributes &= ~FSAL_ATTR_SIZE;
if(attributes_create.asked_attributes & FSAL_ATTR_SPACEUSED)
attributes_create.asked_attributes &= ~FSAL_ATTR_SPACEUSED;
/* Are there attributes to be set (additional to the mode) ? */
if(attributes_create.asked_attributes != 0ULL &&
attributes_create.asked_attributes != FSAL_ATTR_MODE)
{
/* A call to cache_inode_setattr is required */
if(cache_inode_setattr(file_pentry,
&attributes_create,
pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* If we are here, there was an error */
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_dirop2.status,
&pres->res_create3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_create3.CREATE3res_u.resfail.
dir_wcc), NULL, NULL, NULL);
if(nfs_RetryableError(cache_status)) {
rc = NFS_REQ_DROP;
goto out;
}
rc = NFS_REQ_OK;
goto out;
}
/* Get the resulting attributes from the Cache Inode */
if(cache_inode_getattr(file_pentry,
&attr_newfile,
pcontext,
&cache_status) != CACHE_INODE_SUCCESS)
{
/* If we are here, there was an error */
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_dirop2.status,
&pres->res_create3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_create3.CREATE3res_u.resfail.
dir_wcc), NULL, NULL, NULL);
if(nfs_RetryableError(cache_status)) {
rc = NFS_REQ_DROP;
goto out;
}
rc = NFS_REQ_OK;
goto out;
}
}
switch (preq->rq_vers)
{
case NFS_V2:
/* Build file handle */
if(nfs2_FSALToFhandle(
&(pres->res_dirop2.DIROP2res_u.diropok.file),
&file_pentry->handle,
pexport) == 0)
pres->res_dirop2.status = NFSERR_IO;
else
{
if(!nfs2_FSALattr_To_Fattr(
pexport, &attr_newfile,
&(pres->res_dirop2.DIROP2res_u.
diropok.attributes)))
pres->res_dirop2.status = NFSERR_IO;
else
pres->res_dirop2.status = NFS_OK;
}
break;
case NFS_V3:
/* Build file handle */
pres->res_create3.status =
nfs3_AllocateFH(&pres->res_create3.CREATE3res_u
.resok.obj.post_op_fh3_u.handle);
if (pres->res_create3.status != NFS3_OK)
{
rc = NFS_REQ_OK;
goto out;
}
/* Set Post Op Fh3 structure */
if(nfs3_FSALToFhandle(
&(pres->res_create3.CREATE3res_u.resok
.obj.post_op_fh3_u.handle),
&file_pentry->handle, pexport) == 0)
{
gsh_free(pres->res_create3.CREATE3res_u.resok.obj.
post_op_fh3_u.handle.data.data_val);
pres->res_create3.status = NFS3ERR_BADHANDLE;
rc = NFS_REQ_OK;
goto out;
}
/* Set Post Op Fh3 structure */
pres->res_create3.CREATE3res_u.resok.obj.handle_follows
= TRUE;
/* Get the attributes of the parent after the
operation */
attr_parent_after = parent_pentry->attributes;
/* Build entry attributes */
nfs_SetPostOpAttr(pexport,
&attr_newfile,
&(pres->res_create3.CREATE3res_u.resok.
obj_attributes));
/*
* Build Weak Cache Coherency data
*/
nfs_SetWccData(pexport,
ppre_attr,
&attr_parent_after,
&(pres->res_create3.CREATE3res_u
.resok.dir_wcc));
pres->res_create3.status = NFS3_OK;
break;
} /* switch */
rc = NFS_REQ_OK;
goto out;
}
}
else
{
if(cache_status_lookup == CACHE_INODE_SUCCESS)
{
/* Trying to create a file that already exists */
cache_status = CACHE_INODE_ENTRY_EXISTS;
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_EXIST;
break;
case NFS_V3:
pres->res_create3.status = NFS3ERR_EXIST;
break;
}
}
else
{
/* Server fault */
cache_status = cache_status_lookup;
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_IO;
break;
case NFS_V3:
pres->res_create3.status = NFS3ERR_INVAL;
break;
}
}
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_dirop2.status,
&pres->res_create3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_create3.CREATE3res_u.resfail.dir_wcc),
NULL, NULL, NULL);
rc = NFS_REQ_OK;
goto out;
} /* if( cache_status_lookup == CACHE_INODE_NOT_FOUND ) */
}
}
/* Set the exit status */
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_dirop2.status,
&pres->res_create3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_create3.CREATE3res_u.resfail.dir_wcc),
NULL, NULL, NULL);
/* If we are here, there was an error */
if(nfs_RetryableError(cache_status))
{
rc = NFS_REQ_DROP;
goto out;
}
rc = NFS_REQ_OK;
out:
/* return references */
if (file_pentry)
cache_inode_put(file_pentry);
if (parent_pentry)
cache_inode_put(parent_pentry);
return (rc);
} /* nfs_Create */
/**
* FSAL_lookup :
* Looks up for an object into a directory.
*
* Note : if parent handle and filename are NULL,
* this retrieves root's handle.
*
* \param parent_directory_handle (input)
* Handle of the parent directory to search the object in.
* \param filename (input)
* The name of the object to find.
* \param p_context (input)
* Authentication context for the operation (user,...).
* \param object_handle (output)
* The handle of the object corresponding to filename.
* \param object_attributes (optional input/output)
* Pointer to the attributes of the object we found.
* 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).
* It can be NULL (increases performances).
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - ERR_FSAL_STALE (parent_directory_handle does not address an existing object)
* - ERR_FSAL_NOTDIR (parent_directory_handle does not address a directory)
* - ERR_FSAL_NOENT (the object designated by p_filename does not exist)
* - ERR_FSAL_XDEV (tried to operate a lookup on a filesystem junction.
* Use FSAL_lookupJunction instead)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Other error codes can be returned :
* ERR_FSAL_ACCESS, ERR_FSAL_IO, ...
*
*/
fsal_status_t CEPHFSAL_lookup(fsal_handle_t * extparent,
fsal_name_t * filename,
fsal_op_context_t * extcontext,
fsal_handle_t * exthandle,
fsal_attrib_list_t * object_attributes)
{
int rc;
struct stat st;
fsal_status_t status;
cephfsal_handle_t* parent = (cephfsal_handle_t*) extparent;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) extcontext;
cephfsal_handle_t* handle = (cephfsal_handle_t*) exthandle;
char str[FSAL_MAX_NAME_LEN+1];
struct ceph_mount_info *cmount = context->export_context->cmount;
/* sanity checks
* note : object_attributes is optionnal
* parent_directory_handle may be null for getting FS root.
*/
if(!handle || !context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
memset(handle, 0, sizeof(cephfsal_handle_t));
/* retrieves root handle */
if(!parent)
{
/* check that filename is NULL,
* else, parent should not
* be NULL.
*/
if(filename != NULL)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* Ceph seems to have a constant identifying the root inode.
Possible source of bugs, so check here if trouble */
VINODE(handle).ino.val = CEPH_INO_ROOT;
VINODE(handle).snapid.val = CEPH_NOSNAP;
if(object_attributes)
{
status = CEPHFSAL_getattrs(exthandle, extcontext, object_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes,
FSAL_ATTR_RDATTR_ERR);
}
}
}
else /* this is a real lookup(parent, name) */
{
/* the filename should not be null */
if(filename == NULL)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
FSAL_name2str(filename, str, FSAL_MAX_NAME_LEN);
/* Ceph returns POSIX errors, so let's use them */
rc = ceph_ll_lookup(cmount,
VINODE(parent), str, &st,
FSAL_OP_CONTEXT_TO_UID(context),
FSAL_OP_CONTEXT_TO_GID(context));
if(rc)
{
Return(posix2fsal_error(rc), 0, INDEX_FSAL_lookup);
}
rc = stat2fsal_fh(cmount, &st, handle);
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_create);
if(object_attributes)
{
/* convert attributes */
status = posix2fsal_attributes(&st, object_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes,
FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_lookup);
}
}
}
/* lookup complete ! */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_lookup);
}
int nfs3_Mknod(nfs_arg_t *parg,
exportlist_t *pexport,
fsal_op_context_t *pcontext,
nfs_worker_data_t *pworker,
struct svc_req *preq,
nfs_res_t * pres)
{
cache_entry_t *parent_pentry = NULL;
fsal_attrib_list_t parent_attr;
fsal_attrib_list_t *ppre_attr;
fsal_attrib_list_t attr_parent_after;
cache_inode_file_type_t parent_filetype;
cache_inode_file_type_t nodetype;
char *str_file_name = NULL;
fsal_name_t file_name;
cache_inode_status_t cache_status;
cache_inode_status_t cache_status_lookup;
fsal_accessmode_t mode = 0;
cache_entry_t *node_pentry = NULL;
fsal_attrib_list_t attr;
cache_inode_create_arg_t create_arg;
fsal_handle_t *pfsal_handle;
int rc = NFS_REQ_OK;
#ifdef _USE_QUOTA
fsal_status_t fsal_status ;
#endif
memset(&create_arg, 0, sizeof(create_arg));
if(isDebug(COMPONENT_NFSPROTO))
{
char str[LEN_FH_STR];
sprint_fhandle3(str, &(parg->arg_mknod3.where.dir));
LogDebug(COMPONENT_NFSPROTO,
"REQUEST PROCESSING: Calling nfs3_Mknod handle: %s name: %s",
str, parg->arg_mknod3.where.name);
}
/* to avoid setting them on each error case */
pres->res_mknod3.MKNOD3res_u.resfail.dir_wcc.before.attributes_follow = FALSE;
pres->res_mknod3.MKNOD3res_u.resfail.dir_wcc.after.attributes_follow = FALSE;
ppre_attr = NULL;
/* retrieve parent entry */
if((parent_pentry = nfs_FhandleToCache(preq->rq_vers,
NULL,
&(parg->arg_mknod3.where.dir),
NULL,
NULL,
&(pres->res_mknod3.status),
NULL,
&parent_attr,
pcontext, &rc)) == NULL)
{
/* Stale NFS FH ? */
return rc;
}
/* get directory attributes before action (for V3 reply) */
ppre_attr = &parent_attr;
/* Extract the filetype */
parent_filetype = cache_inode_fsal_type_convert(parent_attr.type);
/*
* Sanity checks: new node name must be non-null; parent must be a
* directory.
*/
if(parent_filetype != DIRECTORY)
{
pres->res_mknod3.status = NFS3ERR_NOTDIR;
rc = NFS_REQ_OK;
goto out;
}
str_file_name = parg->arg_mknod3.where.name;
switch (parg->arg_mknod3.what.type)
{
case NF3CHR:
case NF3BLK:
if(parg->arg_mknod3.what.mknoddata3_u.device.dev_attributes.mode.set_it)
mode =
(fsal_accessmode_t) parg->arg_mknod3.what.mknoddata3_u.device.dev_attributes.
mode.set_mode3_u.mode;
else
mode = (fsal_accessmode_t) 0;
create_arg.dev_spec.major =
parg->arg_mknod3.what.mknoddata3_u.device.spec.specdata1;
create_arg.dev_spec.minor =
parg->arg_mknod3.what.mknoddata3_u.device.spec.specdata2;
break;
case NF3FIFO:
case NF3SOCK:
if(parg->arg_mknod3.what.mknoddata3_u.pipe_attributes.mode.set_it)
mode =
(fsal_accessmode_t) parg->arg_mknod3.what.mknoddata3_u.pipe_attributes.mode.
set_mode3_u.mode;
else
mode = (fsal_accessmode_t) 0;
create_arg.dev_spec.major = 0;
create_arg.dev_spec.minor = 0;
break;
default:
pres->res_mknod3.status = NFS3ERR_BADTYPE;
rc = NFS_REQ_OK;
goto out;
}
switch (parg->arg_mknod3.what.type)
{
case NF3CHR:
nodetype = CHARACTER_FILE;
break;
case NF3BLK:
nodetype = BLOCK_FILE;
break;
case NF3FIFO:
nodetype = FIFO_FILE;
break;
case NF3SOCK:
nodetype = SOCKET_FILE;
break;
default:
pres->res_mknod3.status = NFS3ERR_BADTYPE;
rc = NFS_REQ_OK;
goto out;
}
//if(str_file_name == NULL || strlen(str_file_name) == 0)
if(str_file_name == NULL || *str_file_name == '\0' )
{
pres->res_mknod3.status = NFS3ERR_INVAL;
rc = NFS_REQ_OK;
goto out;
}
#ifdef _USE_QUOTA
/* if quota support is active, then we should check is the FSAL allows inode creation or not */
fsal_status = FSAL_check_quota( pexport->fullpath,
FSAL_QUOTA_INODES,
FSAL_OP_CONTEXT_TO_UID( pcontext ) ) ;
if( FSAL_IS_ERROR( fsal_status ) )
{
pres->res_mknod3.status = NFS3ERR_DQUOT;
return NFS_REQ_OK;
}
#endif /* _USE_QUOTA */
/* convert node name */
if((cache_status = cache_inode_error_convert(FSAL_str2name(str_file_name,
0,
&file_name))) ==
CACHE_INODE_SUCCESS)
{
/*
* Lookup node to see if it exists. If so, use it. Otherwise
* create a new one.
*/
node_pentry = cache_inode_lookup(parent_pentry,
&file_name,
&attr,
pcontext,
&cache_status_lookup);
if(cache_status_lookup == CACHE_INODE_NOT_FOUND)
{
/* Create the node */
if((node_pentry = cache_inode_create(parent_pentry,
&file_name,
nodetype,
mode,
&create_arg,
&attr,
pcontext,
&cache_status)) != NULL)
{
MKNOD3resok *rok = &pres->res_mknod3.MKNOD3res_u.resok;
/*
* Get the FSAL handle for this entry
*/
pfsal_handle = &node_pentry->handle;
/* Build file handle */
pres->res_mknod3.status =
nfs3_AllocateFH(&rok->obj.post_op_fh3_u.handle);
if(pres->res_mknod3.status != NFS3_OK)
return NFS_REQ_OK;
if(nfs3_FSALToFhandle(&rok->obj.post_op_fh3_u.handle,
pfsal_handle, pexport) == 0)
{
gsh_free(rok->obj.post_op_fh3_u.handle.data.data_val);
pres->res_mknod3.status = NFS3ERR_INVAL;
rc = NFS_REQ_OK;
goto out;
}
/* Set Post Op Fh3 structure */
rok->obj.handle_follows = TRUE;
/* Build entry attributes */
nfs_SetPostOpAttr(pexport, &attr, &rok->obj_attributes);
/* Get the attributes of the parent after the operation */
if(cache_inode_getattr(parent_pentry,
&attr_parent_after,
pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
pres->res_mknod3.status = nfs3_Errno(cache_status);
rc = NFS_REQ_OK;
goto out;
}
/* Build Weak Cache Coherency data */
nfs_SetWccData(pexport, ppre_attr, &attr_parent_after,
&rok->dir_wcc);
pres->res_mknod3.status = NFS3_OK;
rc = NFS_REQ_OK;
goto out;
}
/* mknod sucess */
} /* not found */
else
{
/* object already exists or failure during lookup */
if(cache_status_lookup == CACHE_INODE_SUCCESS)
{
/* Trying to create an entry that already exists */
pres->res_mknod3.status = NFS3ERR_EXIST;
}
else
{
/* Server fault */
pres->res_mknod3.status = NFS3ERR_INVAL;
}
nfs_SetWccData(pexport, NULL, NULL,
&(pres->res_mknod3.MKNOD3res_u.resfail.dir_wcc));
rc = NFS_REQ_OK;
goto out;
}
}
/* If we are here, there was an error */
rc = nfs_SetFailedStatus(pexport, preq->rq_vers, cache_status, NULL,
&pres->res_mknod3.status, NULL, ppre_attr,
&(pres->res_mknod3.MKNOD3res_u.resfail.dir_wcc),
NULL, NULL);
out:
/* return references */
if (parent_pentry)
cache_inode_put(parent_pentry);
if (node_pentry)
cache_inode_put(node_pentry);
return (rc);
} /* nfs3_Mknod */
int nfs_Mkdir(nfs_arg_t *parg,
exportlist_t *pexport,
fsal_op_context_t *pcontext,
nfs_worker_data_t *pworker,
struct svc_req *preq,
nfs_res_t *pres)
{
char *str_dir_name = NULL;
fsal_accessmode_t mode = 0;
cache_entry_t *dir_pentry = NULL;
cache_entry_t *parent_pentry = NULL;
fsal_attrib_list_t parent_attr;
fsal_attrib_list_t attr;
fsal_attrib_list_t *ppre_attr;
fsal_attrib_list_t attr_parent_after;
cache_inode_file_type_t parent_filetype;
fsal_handle_t *pfsal_handle;
fsal_name_t dir_name;
cache_inode_status_t cache_status = CACHE_INODE_SUCCESS;
cache_inode_status_t cache_status_lookup;
cache_inode_create_arg_t create_arg;
int rc = NFS_REQ_OK;
#ifdef _USE_QUOTA
fsal_status_t fsal_status ;
#endif
memset(&create_arg, 0, sizeof(create_arg));
if(isDebug(COMPONENT_NFSPROTO))
{
char str[LEN_FH_STR];
switch (preq->rq_vers)
{
case NFS_V2:
str_dir_name = parg->arg_mkdir2.where.name;
break;
case NFS_V3:
str_dir_name = parg->arg_mkdir3.where.name;
break;
}
nfs_FhandleToStr(preq->rq_vers,
&(parg->arg_mkdir2.where.dir),
&(parg->arg_mkdir3.where.dir),
NULL,
str);
LogDebug(COMPONENT_NFSPROTO,
"REQUEST PROCESSING: Calling nfs_Mkdir handle: %s name: %s",
str, str_dir_name);
}
if(preq->rq_vers == NFS_V3)
{
/* to avoid setting it on each error case */
pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc.before.attributes_follow = FALSE;
pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc.after.attributes_follow = FALSE;
ppre_attr = NULL;
}
if((parent_pentry = nfs_FhandleToCache(preq->rq_vers,
&(parg->arg_mkdir2.where.dir),
&(parg->arg_mkdir3.where.dir),
NULL,
&(pres->res_dirop2.status),
&(pres->res_mkdir3.status),
NULL,
&parent_attr,
pcontext, &rc)) == NULL)
{
/* Stale NFS FH ? */
goto out;
}
/* get directory attributes before action (for V3 reply) */
ppre_attr = &parent_attr;
/* Extract the filetype */
parent_filetype = cache_inode_fsal_type_convert(parent_attr.type);
/*
* Sanity checks:
*/
if(parent_filetype != DIRECTORY)
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_NOTDIR;
break;
case NFS_V3:
pres->res_mkdir3.status = NFS3ERR_NOTDIR;
break;
}
rc = NFS_REQ_OK;
goto out;
}
#ifdef _USE_QUOTA
/* if quota support is active, then we should check is the FSAL allows inode creation or not */
fsal_status = FSAL_check_quota( pexport->fullpath,
FSAL_QUOTA_INODES,
FSAL_OP_CONTEXT_TO_UID( pcontext ) ) ;
if( FSAL_IS_ERROR( fsal_status ) )
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_DQUOT;
break;
case NFS_V3:
pres->res_mkdir3.status = NFS3ERR_DQUOT;
break;
}
rc = NFS_REQ_OK ;
goto out;
}
#endif /* _USE_QUOTA */
switch (preq->rq_vers)
{
case NFS_V2:
str_dir_name = parg->arg_mkdir2.where.name;
if(parg->arg_mkdir2.attributes.mode != (unsigned int)-1)
{
mode = (fsal_accessmode_t) parg->arg_mkdir2.attributes.mode;
}
else
{
mode = (fsal_accessmode_t) 0;
}
break;
case NFS_V3:
str_dir_name = parg->arg_mkdir3.where.name;
if(parg->arg_mkdir3.attributes.mode.set_it == TRUE)
mode = (fsal_accessmode_t) parg->arg_mkdir3.attributes.mode.set_mode3_u.mode;
else
mode = (fsal_accessmode_t) 0;
break;
}
//if(str_dir_name == NULL || strlen(str_dir_name) == 0)
if(str_dir_name == NULL || *str_dir_name == '\0' )
{
if(preq->rq_vers == NFS_V2)
pres->res_dirop2.status = NFSERR_IO;
if(preq->rq_vers == NFS_V3)
pres->res_mkdir3.status = NFS3ERR_INVAL;
}
else
{
/* Make the directory */
if((cache_status = cache_inode_error_convert(FSAL_str2name(str_dir_name,
0,
&dir_name))) ==
CACHE_INODE_SUCCESS)
{
/*
* Lookup file to see if it exists. If so, use it. Otherwise
* create a new one.
*/
dir_pentry = cache_inode_lookup(parent_pentry,
&dir_name,
&attr,
pcontext,
&cache_status_lookup);
if(cache_status_lookup == CACHE_INODE_NOT_FOUND)
{
/* The create_arg structure contains the information "newly created directory"
* to be passed to cache_inode_new_entry from cache_inode_create */
create_arg.newly_created_dir = TRUE;
/* Create the directory */
if((dir_pentry = cache_inode_create(parent_pentry,
&dir_name,
DIRECTORY,
mode,
&create_arg,
&attr,
pcontext, &cache_status)) != NULL)
{
/*
* Get the FSAL handle for this entry
*/
pfsal_handle = &dir_pentry->handle;
if(preq->rq_vers == NFS_V2)
{
DIROP2resok *d2ok = &pres->res_dirop2.DIROP2res_u.diropok;
/* Build file handle */
if(!nfs2_FSALToFhandle(&d2ok->file, pfsal_handle, pexport))
pres->res_dirop2.status = NFSERR_IO;
else
{
/*
* Build entry
* attributes
*/
if(nfs2_FSALattr_To_Fattr(pexport, &attr,
&d2ok->attributes) == 0)
pres->res_dirop2.status = NFSERR_IO;
else
pres->res_dirop2.status = NFS_OK;
}
}
else
{
MKDIR3resok *d3ok = &pres->res_mkdir3.MKDIR3res_u.resok;
/* Build file handle */
pres->res_mkdir3.status =
nfs3_AllocateFH(&d3ok->obj.post_op_fh3_u.handle);
if(pres->res_mkdir3.status != NFS3_OK)
{
rc = NFS_REQ_OK;
goto out;
}
if(nfs3_FSALToFhandle(&d3ok->obj.post_op_fh3_u.handle,
pfsal_handle, pexport) == 0)
{
gsh_free(d3ok->obj.post_op_fh3_u.handle.data.data_val);
pres->res_mkdir3.status = NFS3ERR_INVAL;
rc = NFS_REQ_OK;
goto out;
}
/* Set Post Op Fh3 structure */
d3ok->obj.handle_follows = TRUE;
/*
* Build entry attributes
*/
nfs_SetPostOpAttr(pexport, &attr, &d3ok->obj_attributes);
/* Get the attributes of the parent after the operation */
if(cache_inode_getattr(parent_pentry,
&attr_parent_after,
pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
pres->res_mkdir3.status = nfs3_Errno(cache_status);
rc = NFS_REQ_OK;
goto out;
}
/*
* Build Weak Cache Coherency data
*/
nfs_SetWccData(pexport, ppre_attr, &attr_parent_after,
&d3ok->dir_wcc);
pres->res_mkdir3.status = NFS3_OK;
}
rc = NFS_REQ_OK;
goto out;
}
} /* If( cache_status_lookup == CACHE_INODE_NOT_FOUND ) */
else
{
switch (preq->rq_vers)
{
case NFS_V2:
if(cache_status_lookup == CACHE_INODE_SUCCESS)
pres->res_dirop2.status = NFSERR_EXIST;
else
pres->res_dirop2.status = NFSERR_IO;
break;
case NFS_V3:
if(cache_status_lookup == CACHE_INODE_SUCCESS)
pres->res_mkdir3.status = NFS3ERR_EXIST;
else
pres->res_mkdir3.status = NFS3ERR_INVAL;
nfs_SetWccData(pexport, ppre_attr, NULL,
&(pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc));
break;
}
rc = NFS_REQ_OK;
goto out;
}
}
}
/* If we are here, there was an error */
rc = nfs_SetFailedStatus(pexport, preq->rq_vers, cache_status,
&pres->res_dirop2.status, &pres->res_mkdir3.status,
NULL, ppre_attr,
&(pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc),
NULL, NULL);
out:
/* return references */
if (dir_pentry)
cache_inode_put(dir_pentry);
if (parent_pentry)
cache_inode_put(parent_pentry);
return (rc);
}
int nfs_Symlink(nfs_arg_t *parg,
exportlist_t *pexport,
fsal_op_context_t *pcontext,
nfs_worker_data_t *pworker,
struct svc_req *preq,
nfs_res_t *pres)
{
char *str_symlink_name = NULL;
fsal_name_t symlink_name;
char *str_target_path = NULL;
cache_inode_create_arg_t create_arg;
fsal_accessmode_t mode = 0777;
cache_entry_t *symlink_pentry = NULL;
cache_entry_t *parent_pentry;
cache_inode_file_type_t parent_filetype;
fsal_attrib_list_t parent_attr;
fsal_attrib_list_t attr_symlink;
fsal_attrib_list_t attributes_symlink;
fsal_attrib_list_t attr_parent_after;
fsal_attrib_list_t *ppre_attr;
cache_inode_status_t cache_status;
cache_inode_status_t cache_status_parent;
fsal_handle_t *pfsal_handle;
int rc = NFS_REQ_OK;
#ifdef _USE_QUOTA
fsal_status_t fsal_status ;
#endif
memset(&create_arg, 0, sizeof(create_arg));
if(isDebug(COMPONENT_NFSPROTO))
{
char str[LEN_FH_STR];
switch (preq->rq_vers)
{
case NFS_V2:
str_symlink_name = parg->arg_symlink2.from.name;
str_target_path = parg->arg_symlink2.to;
break;
case NFS_V3:
str_symlink_name = parg->arg_symlink3.where.name;
str_target_path = parg->arg_symlink3.symlink.symlink_data;
break;
}
nfs_FhandleToStr(preq->rq_vers,
&(parg->arg_symlink2.from.dir),
&(parg->arg_symlink3.where.dir),
NULL,
str);
LogDebug(COMPONENT_NFSPROTO,
"REQUEST PROCESSING: Calling nfs_Symlink handle: %s name: %s target: %s",
str, str_symlink_name, str_target_path);
}
if(preq->rq_vers == NFS_V3)
{
/* to avoid setting it on each error case */
pres->res_symlink3.SYMLINK3res_u.resfail.dir_wcc.before.attributes_follow = FALSE;
pres->res_symlink3.SYMLINK3res_u.resfail.dir_wcc.after.attributes_follow = FALSE;
ppre_attr = NULL;
}
/* Convert directory file handle into a vnode */
if((parent_pentry = nfs_FhandleToCache(preq->rq_vers,
&(parg->arg_symlink2.from.dir),
&(parg->arg_symlink3.where.dir),
NULL,
&(pres->res_stat2),
&(pres->res_symlink3.status),
NULL,
&parent_attr,
pcontext, &rc)) == NULL)
{
/* Stale NFS FH ? */
goto out;;
}
/* get directory attributes before action (for V3 reply) */
ppre_attr = &parent_attr;
/* Extract the filetype */
parent_filetype = cache_inode_fsal_type_convert(parent_attr.type);
/*
* Sanity checks: new directory name must be non-null; parent must be
* a directory.
*/
if(parent_filetype != DIRECTORY)
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFSERR_NOTDIR;
break;
case NFS_V3:
pres->res_symlink3.status = NFS3ERR_NOTDIR;
break;
}
rc = NFS_REQ_OK;
goto out;
}
#ifdef _USE_QUOTA
/* if quota support is active, then we should check is the FSAL allows inode creation or not */
fsal_status = FSAL_check_quota( pexport->fullpath,
FSAL_QUOTA_INODES,
FSAL_OP_CONTEXT_TO_UID( pcontext ) ) ;
if( FSAL_IS_ERROR( fsal_status ) )
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFSERR_DQUOT ;
break;
case NFS_V3:
pres->res_symlink3.status = NFS3ERR_DQUOT;
break;
}
rc = NFS_REQ_OK;
goto out;
}
#endif /* _USE_QUOTA */
switch (preq->rq_vers)
{
case NFS_V2:
str_symlink_name = parg->arg_symlink2.from.name;
str_target_path = parg->arg_symlink2.to;
break;
case NFS_V3:
str_symlink_name = parg->arg_symlink3.where.name;
str_target_path = parg->arg_symlink3.symlink.symlink_data;
break;
}
if(str_symlink_name == NULL ||
*str_symlink_name == '\0'||
str_target_path == NULL ||
*str_target_path == '\0' ||
FSAL_IS_ERROR(FSAL_str2name(str_symlink_name, 0, &symlink_name)) ||
FSAL_IS_ERROR(FSAL_str2path(str_target_path, 0, &create_arg.link_content)))
{
cache_status = CACHE_INODE_INVALID_ARGUMENT;
}
else
{
/* Make the symlink */
if((symlink_pentry = cache_inode_create(parent_pentry,
&symlink_name,
SYMBOLIC_LINK,
mode,
&create_arg,
&attr_symlink,
pcontext, &cache_status)) != NULL)
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFS_OK;
break;
case NFS_V3:
/* Build file handle */
pfsal_handle = &symlink_pentry->handle;
/* Some clients (like the Spec NFS benchmark) set attributes with the NFSPROC3_SYMLINK request */
if(nfs3_Sattr_To_FSALattr(&attributes_symlink,
&parg->arg_symlink3.symlink.symlink_attributes) == 0)
{
pres->res_create3.status = NFS3ERR_INVAL;
rc = NFS_REQ_OK;
goto out;
}
/* Mode is managed above (in cache_inode_create), there is no need
* to manage it */
if(attributes_symlink.asked_attributes & FSAL_ATTR_MODE)
attributes_symlink.asked_attributes &= ~FSAL_ATTR_MODE;
/* Some clients (like Solaris 10) try to set the size of the file to 0
* at creation time. The FSAL create empty file, so we ignore this */
if(attributes_symlink.asked_attributes & FSAL_ATTR_SIZE)
attributes_symlink.asked_attributes &= ~FSAL_ATTR_SIZE;
if(attributes_symlink.asked_attributes & FSAL_ATTR_SPACEUSED)
attributes_symlink.asked_attributes &= ~FSAL_ATTR_SPACEUSED;
/* If owner or owner_group are set, and the credential was
* squashed, then we must squash the set owner and owner_group.
*/
squash_setattr(&pworker->export_perms,
&pworker->user_credentials,
&attributes_symlink);
/* Are there attributes to be set (additional to the mode) ? */
if(attributes_symlink.asked_attributes != 0ULL &&
attributes_symlink.asked_attributes != FSAL_ATTR_MODE)
{
/* A call to cache_inode_setattr is required */
if(cache_inode_setattr(symlink_pentry,
&attributes_symlink,
pcontext,
FALSE,
&cache_status) != CACHE_INODE_SUCCESS)
{
goto out_error;
}
}
if ((pres->res_symlink3.status =
(nfs3_AllocateFH(&pres->res_symlink3.SYMLINK3res_u
.resok.obj.post_op_fh3_u.handle)))
!= NFS3_OK) {
pres->res_symlink3.status = NFS3ERR_IO;
rc = NFS_REQ_OK;
goto out;
}
if(nfs3_FSALToFhandle
(&pres->res_symlink3.SYMLINK3res_u.resok.obj.post_op_fh3_u.handle,
pfsal_handle, pexport) == 0)
{
gsh_free(pres->res_symlink3.SYMLINK3res_u.resok.obj.
post_op_fh3_u.handle.data.data_val);
pres->res_symlink3.status = NFS3ERR_BADHANDLE;
rc = NFS_REQ_OK;
goto out;
}
/* The the parent pentry attributes for building Wcc Data */
if(cache_inode_getattr(parent_pentry,
&attr_parent_after,
pcontext,
&cache_status_parent)
!= CACHE_INODE_SUCCESS)
{
gsh_free(pres->res_symlink3.SYMLINK3res_u.resok.obj.
post_op_fh3_u.handle.data.data_val);
pres->res_symlink3.status = NFS3ERR_BADHANDLE;
rc = NFS_REQ_OK;
goto out;
}
/* Set Post Op Fh3 structure */
pres->res_symlink3.SYMLINK3res_u.resok.obj.handle_follows = TRUE;
/* Build entry attributes */
nfs_SetPostOpAttr(pexport,
&attr_symlink,
&(pres->res_symlink3.SYMLINK3res_u
.resok.obj_attributes));
/* Build Weak Cache Coherency data */
nfs_SetWccData(pexport,
ppre_attr,
&attr_parent_after,
&(pres->res_symlink3.SYMLINK3res_u.resok.dir_wcc));
pres->res_symlink3.status = NFS3_OK;
break;
} /* switch */
rc = NFS_REQ_OK;
goto out;
}
}
out_error:
rc = nfs_SetFailedStatus(pexport, preq->rq_vers, cache_status,
&pres->res_stat2, &pres->res_symlink3.status,
NULL, ppre_attr,
&(pres->res_symlink3.SYMLINK3res_u.resfail.dir_wcc),
NULL, NULL);
out:
/* return references */
if (parent_pentry)
cache_inode_put(parent_pentry);
if (symlink_pentry)
cache_inode_put(symlink_pentry);
return (rc);
} /* nfs_Symlink */
/**
* FSAL_test_access_default :
* Tests whether the user identified by the p_context structure
* can access the object as indicated by the access_type parameter.
* This function tests access rights using cached attributes
* given as parameter (no calls to filesystem).
* Thus, it cannot test FSAL_F_OK flag, and asking such a flag
* will result in a ERR_FSAL_INVAL error.
*
* \param p_context (input):
* Authentication context for the operation (user,...).
* \param access_type (input):
* Indicates the permissions to test.
* This is an inclusive OR of the permissions
* to be checked for the user identified by cred.
* 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 (mandatory input):
* The cached attributes for the object to test rights on.
* The following attributes MUST be filled :
* owner, group, mode, ACLs.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error, permission granted)
* - ERR_FSAL_ACCESS (object permissions doesn't fit asked access type)
* - ERR_FSAL_INVAL (FSAL_test_access is not able to test such a permission)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Another error code if an error occured.
*/
fsal_status_t FSAL_test_access_default(fsal_op_context_t * p_context, /* IN */
fsal_accessflags_t access_type, /* IN */
fsal_attrib_list_t * object_attributes /* IN */
)
{
fsal_accessflags_t missing_access;
int is_grp;
fsal_count_t i;
gid_t * alt_groups;
fsal_count_t nb_alt_groups;
/* sanity checks. */
if(!object_attributes || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_test_access);
/* If the FSAL_F_OK flag is set, returns ERR INVAL */
if(access_type & FSAL_F_OK)
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_test_access);
/* ----- here is a code sample for this function ---- */
/* test root access */
if(FSAL_OP_CONTEXT_TO_UID(p_context) == 0)
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_test_access);
/* unsatisfied permissions */
missing_access = access_type;
/* Test if file belongs to user. */
if(FSAL_OP_CONTEXT_TO_UID(p_context) == object_attributes->owner)
{
if(object_attributes->mode & FSAL_MODE_RUSR)
missing_access &= ~FSAL_R_OK;
if(object_attributes->mode & FSAL_MODE_WUSR)
missing_access &= ~FSAL_W_OK;
if(object_attributes->mode & FSAL_MODE_XUSR)
missing_access &= ~FSAL_X_OK;
if(missing_access == 0)
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_test_access);
else
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_test_access);
}
/* Test if the file belongs to user's group. */
is_grp = (FSAL_OP_CONTEXT_TO_GID(p_context) == object_attributes->group);
if(!is_grp && FSAL_OP_CONTEXT_TO_ALT_GROUPS(p_context) != NULL)
{
nb_alt_groups = FSAL_OP_CONTEXT_TO_NBGROUPS(p_context);
alt_groups = FSAL_OP_CONTEXT_TO_ALT_GROUPS(p_context);
/* Test if file belongs to user's alt groups */
for(i = 0; i < nb_alt_groups; i++)
{
is_grp = (alt_groups[i] == object_attributes->group);
if(is_grp)
break;
}
}
/* finally apply group rights */
if(is_grp)
{
if(object_attributes->mode & FSAL_MODE_RGRP)
missing_access &= ~FSAL_R_OK;
if(object_attributes->mode & FSAL_MODE_WGRP)
missing_access &= ~FSAL_W_OK;
if(object_attributes->mode & FSAL_MODE_XGRP)
missing_access &= ~FSAL_X_OK;
if(missing_access == 0)
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_test_access);
else
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_test_access);
}
/* test other perms */
if(object_attributes->mode & FSAL_MODE_ROTH)
missing_access &= ~FSAL_R_OK;
if(object_attributes->mode & FSAL_MODE_WOTH)
missing_access &= ~FSAL_W_OK;
if(object_attributes->mode & FSAL_MODE_XOTH)
missing_access &= ~FSAL_X_OK;
/** @todo: ACLs. */
if(missing_access == 0)
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_test_access);
else
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_test_access);
}
/**
* FSAL_test_setattr_access_default :
* test if a client identified by cred can access setattr on the object
* knowing its attributes and parent's attributes.
* The following fields of the object_attributes structures MUST be filled :
* acls (if supported), mode, owner, group.
* This doesn't make any call to the filesystem,
* as a result, this doesn't ensure that the file exists, nor that
* the permissions given as parameters are the actual file permissions :
* this must be ensured by the cache_inode layer, using FSAL_getattrs,
* for example.
*
* \param cred (in zfsfsal_cred_t *) user's identifier.
* \param candidate_attributes the attributes we want to set on the object
* \param object_attributes (in fsal_attrib_list_t *) the cached attributes
* for the object.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - ERR_FSAL_ACCESS (Permission denied)
* - ERR_FSAL_FAULT (null pointer parameter)
* - ERR_FSAL_INVAL (missing attributes : mode, group, user,...)
* - ERR_FSAL_SERVERFAULT (unexpected error)
*/
fsal_status_t FSAL_setattr_access_default(fsal_op_context_t * p_context, /* IN */
fsal_attrib_list_t * candidate_attributes, /* IN */
fsal_attrib_list_t * object_attributes /* IN */
)
{
fsal_status_t fsal_status;
int in_grp;
int i;
fsal_count_t nb_alt_groups;
gid_t * alt_groups;
in_grp = 0;
/*
* CHMOD
* */
/* We just ignore symlinks. */
if(FSAL_TEST_MASK(candidate_attributes->asked_attributes, FSAL_ATTR_MODE)
&& (object_attributes->type != FSAL_TYPE_LNK))
{
/* User must be root or owner of the file */
if( (FSAL_OP_CONTEXT_TO_UID(p_context) != 0)
&& (FSAL_OP_CONTEXT_TO_UID(p_context) =! object_attributes->owner) )
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
}
/*
* CHOWN
* */
if(FSAL_TEST_MASK(candidate_attributes->asked_attributes, FSAL_ATTR_OWNER))
{
/* User must be root or (be the owner and the user he wants to set) */
if( (FSAL_OP_CONTEXT_TO_UID(p_context) != 0)
&& ( ( FSAL_OP_CONTEXT_TO_UID(p_context) != object_attributes->owner )
|| ( FSAL_OP_CONTEXT_TO_UID(p_context) != candidate_attributes->owner ) ) )
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
}
if(FSAL_TEST_MASK(candidate_attributes->asked_attributes, FSAL_ATTR_GROUP))
{
/* User must ( be root or owner ) */
if( (FSAL_OP_CONTEXT_TO_UID(p_context) != 0) && (FSAL_OP_CONTEXT_TO_UID(p_context) != object_attributes->owner) )
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
/* He must also be in the group he wants to set */
in_grp = ( FSAL_OP_CONTEXT_TO_GID(p_context) == candidate_attributes->group );
if(!in_grp && FSAL_OP_CONTEXT_TO_ALT_GROUPS(p_context) != NULL)
{
nb_alt_groups = FSAL_OP_CONTEXT_TO_NBGROUPS(p_context);
alt_groups = FSAL_OP_CONTEXT_TO_ALT_GROUPS(p_context);
/* Test user's alt groups */
for(i = 0; i < nb_alt_groups; i++)
{
in_grp = (alt_groups[i] == object_attributes->group);
if(in_grp)
break;
}
}
if(!in_grp)
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
}
/*
* UTIME
* */
/* Is it allowed to change time? */
if(FSAL_TEST_MASK(candidate_attributes->asked_attributes,
FSAL_ATTR_ATIME | FSAL_ATTR_CREATION | FSAL_ATTR_CTIME | FSAL_ATTR_MTIME)
&& !global_fs_info.cansettime)
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
/* Atime: user must be owner or be root or have read access */
if( FSAL_TEST_MASK(candidate_attributes->asked_attributes, FSAL_ATTR_ATIME)
&& (FSAL_OP_CONTEXT_TO_UID(p_context) != 0)
&& (FSAL_OP_CONTEXT_TO_UID(p_context) != object_attributes->owner))
{
fsal_status = FSAL_test_access_default(p_context, FSAL_R_OK, object_attributes);
if(FSAL_IS_ERROR(fsal_status))
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
}
/* Mtime: user must be owner or be root or have write access */
if( FSAL_TEST_MASK(candidate_attributes->asked_attributes, FSAL_ATTR_MTIME)
&& (FSAL_OP_CONTEXT_TO_UID(p_context) != 0)
&& (FSAL_OP_CONTEXT_TO_UID(p_context) != object_attributes->owner))
{
fsal_status = FSAL_test_access_default(p_context, FSAL_W_OK, object_attributes);
if(FSAL_IS_ERROR(fsal_status))
Return(ERR_FSAL_ACCESS, 0, INDEX_FSAL_setattr_access);
}
/* If this point is reached, then access is granted. */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_setattr_access);
} /* FSAL_test_setattr_access */
/**
*
* MFSL_mkdir : posts an asynchronous mkdir and sets the cached attributes in return.
*
* Posts an asynchronous setattr and sets the cached attributes in return.
* If an object is not asynchronous, then the content of object attributes structure for result will be used to populate it.
*
* @param target_handle [IN] mfsl object to be operated on (object to be hard linked).
* @param dir_handle [IN] mfsl object to be operated on (destination directory for the link).
* @param p_context [IN] associated fsal context
* @param p_mfsl_context [INOUT] associated mfsl context
* @param attrib_set [IN] attributes to be set
* @param tgt_attributes [INOUT] resulting attributes for target
* @param dir_attributes [INOUT] resulting attributes for directory
*
* @return the same as FSAL_link
*/
fsal_status_t MFSL_mkdir(mfsl_object_t * parent_directory_handle, /* IN */
fsal_name_t * p_dirname, /* IN */
fsal_op_context_t * p_context, /* IN */
mfsl_context_t * p_mfsl_context, /* IN */
fsal_accessmode_t accessmode, /* IN */
mfsl_object_t * object_handle, /* OUT */
fsal_attrib_list_t * object_attributes, /* [ IN/OUT ] */
fsal_attrib_list_t * parent_attributes /* IN */ )
{
fsal_status_t fsal_status;
mfsl_async_op_desc_t *pasyncopdesc = NULL;
mfsl_object_specific_data_t *newdir_pasyncdata = NULL;
mfsl_object_t *pnewdir_handle = NULL;
mfsl_precreated_object_t *pprecreated = NULL;
fsal_status = MFSAL_mkdir_check_perms(parent_directory_handle,
p_dirname,
p_context, p_mfsl_context, parent_attributes);
if(FSAL_IS_ERROR(fsal_status))
return fsal_status;
P(p_mfsl_context->lock);
GetFromPool(pasyncopdesc, &p_mfsl_context->pool_async_op, mfsl_async_op_desc_t);
GetFromPool(newdir_pasyncdata, &p_mfsl_context->pool_spec_data, mfsl_object_specific_data_t);
V(p_mfsl_context->lock);
if(pasyncopdesc == NULL)
MFSL_return(ERR_FSAL_INVAL, 0);
if(gettimeofday(&pasyncopdesc->op_time, NULL) != 0)
{
/* Could'not get time of day... Stopping, this may need a major failure */
LogMajor(COMPONENT_MFSL, "MFSL_link: cannot get time of day... exiting");
exit(1);
}
/* Now get a pre-allocated directory from the synclet data */
P(p_mfsl_context->lock);
GetFromPool(pprecreated, &p_mfsl_context->pool_dirs, mfsl_precreated_object_t);
V(p_mfsl_context->lock);
pnewdir_handle = &(pprecreated->mobject);
LogDebug(COMPONENT_MFSL, "Creating asyncop %p",
pasyncopdesc);
pasyncopdesc->op_type = MFSL_ASYNC_OP_MKDIR;
pasyncopdesc->op_args.mkdir.pmfsl_obj_dirdest = parent_directory_handle;
pasyncopdesc->op_args.mkdir.precreate_name = pprecreated->name;
pasyncopdesc->op_args.mkdir.dirname = *p_dirname;
pasyncopdesc->op_args.mkdir.mode = accessmode;
pasyncopdesc->op_args.mkdir.owner = FSAL_OP_CONTEXT_TO_UID(p_context);
pasyncopdesc->op_args.mkdir.group = FSAL_OP_CONTEXT_TO_GID(p_context);
pasyncopdesc->op_res.mkdir.attr.asked_attributes = object_attributes->asked_attributes;
pasyncopdesc->op_res.mkdir.attr.supported_attributes =
object_attributes->supported_attributes;
if(FSAL_IS_ERROR(fsal_status))
return fsal_status;
pasyncopdesc->op_func = MFSL_mkdir_async_op;
//pasyncopdesc->fsal_op_context = p_context ;
pasyncopdesc->fsal_op_context =
synclet_data[pasyncopdesc->related_synclet_index].root_fsal_context;
pasyncopdesc->ptr_mfsl_context = (caddr_t) p_mfsl_context;
fsal_status = MFSL_async_post(pasyncopdesc);
if(FSAL_IS_ERROR(fsal_status))
return fsal_status;
/* Update the asynchronous metadata */
newdir_pasyncdata->async_attr = pprecreated->attr;
newdir_pasyncdata->async_attr.type = FSAL_TYPE_DIR;
newdir_pasyncdata->async_attr.filesize = DEV_BSIZE;
newdir_pasyncdata->async_attr.spaceused = DEV_BSIZE;
newdir_pasyncdata->async_attr.numlinks = 2;
newdir_pasyncdata->async_attr.owner = pasyncopdesc->op_args.mkdir.owner;
newdir_pasyncdata->async_attr.group = pasyncopdesc->op_args.mkdir.group;
newdir_pasyncdata->async_attr.ctime.seconds = pasyncopdesc->op_time.tv_sec;
newdir_pasyncdata->async_attr.ctime.nseconds = pasyncopdesc->op_time.tv_usec; /** @todo: there may be a coefficient to be applied here */
newdir_pasyncdata->deleted = FALSE;
if(!mfsl_async_set_specdata(pnewdir_handle, newdir_pasyncdata))
MFSL_return(ERR_FSAL_SERVERFAULT, 0);
/* Return the correct attributes */
*object_attributes = newdir_pasyncdata->async_attr;
*object_handle = pprecreated->mobject;
object_handle->health = MFSL_ASYNC_NEVER_SYNCED;
/* Do not forget that the parent directory becomes asynchronous too */
parent_directory_handle->health = MFSL_ASYNC_ASYNCHRONOUS;
MFSL_return(ERR_FSAL_NO_ERROR, 0);
} /* MFSL_mkdir */
fsal_status_t CEPHFSAL_setattrs(fsal_handle_t * exthandle,
fsal_op_context_t * extcontext,
fsal_attrib_list_t * attrib_set,
fsal_attrib_list_t * object_attributes)
{
cephfsal_handle_t* filehandle = (cephfsal_handle_t*) exthandle;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) extcontext;
struct stat st;
fsal_attrib_list_t attrs;
int rc, mask=0;
int uid = FSAL_OP_CONTEXT_TO_UID(context);
int gid = FSAL_OP_CONTEXT_TO_GID(context);
/* sanity checks.
* note : object_attributes is optional.
*/
if(!filehandle || !context || !attrib_set)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_setattrs);
/* local copy of attributes */
attrs = *attrib_set;
/* First, check that FSAL attributes changes are allowed. */
/* Is it allowed to change times ? */
if(!global_fs_info.cansettime)
{
if(attrs.asked_attributes &
(FSAL_ATTR_ATIME |
FSAL_ATTR_CREATION |
FSAL_ATTR_CTIME |
FSAL_ATTR_MTIME))
{
/* handled as an unsettable attribute. */
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_setattrs);
}
}
/* apply umask, if mode attribute is to be changed */
if(FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_MODE))
{
attrs.mode &= (~global_fs_info.umask);
}
/* Build flags and struct stat */
if(FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_MODE))
{
mask |= CEPH_SETATTR_MODE;
st.st_mode = fsal2unix_mode(attrs.mode);
}
if(FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_OWNER))
{
mask |= CEPH_SETATTR_UID;
st.st_uid = attrs.owner;
}
if(FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_GROUP))
{
mask |= CEPH_SETATTR_UID;
st.st_gid = attrs.group;
}
if(FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_ATIME))
{
mask |= CEPH_SETATTR_ATIME;
st.st_atime = attrs.atime.seconds;
}
if (FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_MTIME))
{
mask |= CEPH_SETATTR_MTIME;
st.st_mtime = attrs.mtime.seconds;
}
if (FSAL_TEST_MASK(attrs.asked_attributes, FSAL_ATTR_CTIME))
{
mask |= CEPH_SETATTR_CTIME;
st.st_ctime = attrs.ctime.seconds;
}
TakeTokenFSCall();
rc = ceph_ll_setattr(context->export_context->cmount, VINODE(filehandle),
&st, mask, uid, gid);
ReleaseTokenFSCall();
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_getattrs);
if(object_attributes)
{
fsal_status_t status;
status = CEPHFSAL_getattrs(exthandle, extcontext, object_attributes);
/* on error, we set a special bit in the mask. */
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes,
FSAL_ATTR_RDATTR_ERR);
}
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_setattrs);
}
fsal_status_t CEPHFSAL_rename(fsal_handle_t * extold_parent,
fsal_name_t * old_name,
fsal_handle_t * extnew_parent,
fsal_name_t * new_name,
fsal_op_context_t * extcontext,
fsal_attrib_list_t * src_dir_attributes,
fsal_attrib_list_t * tgt_dir_attributes)
{
int rc;
cephfsal_handle_t* old_parent = (cephfsal_handle_t*) extold_parent;
cephfsal_handle_t* new_parent = (cephfsal_handle_t*) extnew_parent;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) extcontext;
char oldstr[FSAL_MAX_NAME_LEN+1];
char newstr[FSAL_MAX_NAME_LEN+1];
int uid = FSAL_OP_CONTEXT_TO_UID(context);
int gid = FSAL_OP_CONTEXT_TO_GID(context);
/* sanity checks.
* note : src/tgt_dir_attributes are optional.
*/
if(!old_parent || !new_parent || !old_name || !new_name || !context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rename);
if(src_dir_attributes)
{
fsal_status_t status =
CEPHFSAL_getattrs(extold_parent, extcontext, src_dir_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(src_dir_attributes->asked_attributes);
FSAL_SET_MASK(src_dir_attributes->asked_attributes,
FSAL_ATTR_RDATTR_ERR);
}
}
if(tgt_dir_attributes)
{
fsal_status_t status;
/* optimization when src=tgt : */
if(!CEPHFSAL_handlecmp(extold_parent, extnew_parent, &status)
&& src_dir_attributes)
{
/* If source dir = target dir, we just copy the attributes.
* to avoid doing another getattr.
*/
(*tgt_dir_attributes) = (*src_dir_attributes);
}
else
{
status = CEPHFSAL_getattrs(extnew_parent, extcontext,
tgt_dir_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(tgt_dir_attributes->asked_attributes);
FSAL_SET_MASK(tgt_dir_attributes->asked_attributes,
FSAL_ATTR_RDATTR_ERR);
}
}
}
FSAL_name2str(old_name, oldstr, FSAL_MAX_NAME_LEN);
FSAL_name2str(new_name, newstr, FSAL_MAX_NAME_LEN);
rc = ceph_ll_rename(context->export_context->cmount,
VINODE(old_parent), oldstr,
VINODE(new_parent), newstr,
uid, gid);
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_rename);
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_rename);
}
/**
* FSAL_create:
* Create a regular file.
*
* \param extparent (input):
* Handle of the parent directory where the file is to be created.
* \param filename (input):
* Pointer to the name of the file to be created.
* \param context (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 CEPHFSAL_create(fsal_handle_t * extparent,
fsal_name_t * filename,
fsal_op_context_t * extcontext,
fsal_accessmode_t accessmode,
fsal_handle_t * object_handle,
fsal_attrib_list_t * object_attributes)
{
int rc;
mode_t mode;
struct Fh *fd;
struct stat st;
char strname[FSAL_MAX_NAME_LEN];
cephfsal_handle_t* parent = (cephfsal_handle_t*) extparent;
cephfsal_op_context_t* context = (cephfsal_op_context_t*) extcontext;
struct ceph_mount_info *cmount = context->export_context->cmount;
int uid = FSAL_OP_CONTEXT_TO_UID(context);
int gid = FSAL_OP_CONTEXT_TO_GID(context);
/* sanity checks.
* note : object_attributes is optional.
*/
if(!parent || !context || !object_handle || !filename)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_create);
memset(object_handle, 0, sizeof(cephfsal_handle_t));
mode = fsal2unix_mode(accessmode);
mode = mode & ~global_fs_info.umask;
FSAL_name2str(filename, strname, FSAL_MAX_NAME_LEN);
TakeTokenFSCall();
rc = ceph_ll_create(cmount, VINODE(parent), strname,
mode, 0, &fd, &st, uid, gid);
ceph_ll_close(cmount, fd);
ReleaseTokenFSCall();
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_create);
rc = stat2fsal_fh(cmount,
&st,
(cephfsal_handle_t*) object_handle);
if (rc < 0)
Return(posix2fsal_error(rc), 0, INDEX_FSAL_create);
if(object_attributes)
{
fsal_status_t status;
status = posix2fsal_attributes(&st, object_attributes);
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_create);
}
}
/* OK */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_create);
}
