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/*
Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _MOUNT3_H_
#define _MOUNT3_H_
#include "rpcsvc.h"
#include "dict.h"
#include "xlator.h"
#include "iobuf.h"
#include "nfs.h"
#include "list.h"
#include "xdr-nfs3.h"
#include "locking.h"
#include "nfs3-fh.h"
#include "compat-uuid.h"
#include "exports.h"
#include "mount3-auth.h"
#include "auth-cache.h"
/* Registered with portmap */
#define GF_MOUNTV3_PORT 38465
#define GF_MOUNTV3_IOB (2 * GF_UNIT_KB)
#define GF_MOUNTV3_IOBPOOL (GF_MOUNTV3_IOB * 50)
#define GF_MOUNTV1_PORT 38466
#define GF_MNT GF_NFS"-mount"
extern rpcsvc_program_t *
mnt3svc_init (xlator_t *nfsx);
extern rpcsvc_program_t *
mnt1svc_init (xlator_t *nfsx);
extern void
mnt3svc_deinit (xlator_t *nfsx);
extern int
mount_init_state (xlator_t *nfsx);
extern int
mount_reconfigure_state (xlator_t *nfsx, dict_t *options);
void
mount_rewrite_rmtab (struct mount3_state *ms, char *new_rmtab);
struct mnt3_export *
mnt3_mntpath_to_export (struct mount3_state *ms, const char *dirpath,
gf_boolean_t export_parsing_match);
extern int
mnt3svc_update_mountlist (struct mount3_state *ms, rpcsvc_request_t *req,
const char *expname, const char *fullpath);
int
mnt3_authenticate_request (struct mount3_state *ms, rpcsvc_request_t *req,
struct nfs3_fh *fh, const char *volname,
const char *path, char **authorized_path,
char **authorized_host, gf_boolean_t is_write_op);
/* Data structure used to store the list of mounts points currently
* in use by NFS clients.
*/
struct mountentry {
/* Links to mount3_state->mountlist. */
struct list_head mlist;
/* The export name */
char exname[MNTPATHLEN];
char hostname[MNTPATHLEN];
char fullpath[MNTPATHLEN];
gf_boolean_t has_full_path;
/* Since this is stored in a dict, we want to be able
* to find easily get the key we used to store
* the struct in our dict
*/
char hashkey[MNTPATHLEN*2+2];
};
#define MNT3_EXPTYPE_VOLUME 1
#define MNT3_EXPTYPE_DIR 2
/* Structure to hold export-dir AUTH parameter */
struct host_auth_spec {
char *host_addr; /* Allowed IP or host name */
uint32_t netmask; /* Network mask (Big-Endian) */
struct host_auth_spec *next; /* Pointer to next AUTH struct */
};
struct mnt3_export {
struct list_head explist;
/* The string that may contain either the volume name if the full volume
* is exported or the subdirectory in the volume.
*/
char *expname;
/*
* IP address, hostname or subnets who are allowed to connect to expname
* subvolume or subdirectory
*/
struct host_auth_spec* hostspec;
xlator_t *vol;
int exptype;
/* This holds the full path that the client requested including
* the volume name AND the subdirectory in the volume.
*/
char *fullpath;
/* Extracted from nfs volume options if nfs.dynamicvolumes is on.
*/
uuid_t volumeid;
uuid_t mountid;
};
struct mount3_state {
xlator_t *nfsx;
/* The NFS state that this belongs to */
struct nfs_state *nfs;
/* The buffers for all network IO are got from this pool. */
struct iobuf_pool *iobpool;
/* List of exports, can be volumes or directories in those volumes. */
struct list_head exportlist;
/* List of current mount points over all the exports from this
* server.
*/
struct list_head mountlist;
/* Dict of current mount points over all the exports from this
* server. Mirrors the mountlist above, but can be used for
* faster lookup in the event that there are several mounts.
* Currently, each NFSOP is validated against this dict: each
* op is checked to see if the host that operates on the path
* does in fact have an entry in the mount dict.
*/
dict_t *mountdict;
/* Used to protect the mountlist & the mount dict */
pthread_spinlock_t mountlock;
/* Used to insert additional authentication parameters */
struct mnt3_auth_params *auth_params;
/* Set to 0 if exporting full volumes is disabled. On by default. */
gf_boolean_t export_volumes;
gf_boolean_t export_dirs;
pthread_t auth_refresh_thread;
gf_boolean_t stop_refresh;
struct auth_cache *authcache;
};
#define gf_mnt3_export_dirs(mst) ((mst)->export_dirs)
struct mount3_resolve_state {
struct mnt3_export *exp;
struct mount3_state *mstate;
rpcsvc_request_t *req;
char remainingdir[MNTPATHLEN];
loc_t resolveloc;
struct nfs3_fh parentfh;
};
typedef struct mount3_resolve_state mnt3_resolve_t;
#endif
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