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-rw-r--r--rpc/rpc-lib/src/xdr-common.h143
1 files changed, 63 insertions, 80 deletions
diff --git a/rpc/rpc-lib/src/xdr-common.h b/rpc/rpc-lib/src/xdr-common.h
index 8402a62225e..752736b3d4d 100644
--- a/rpc/rpc-lib/src/xdr-common.h
+++ b/rpc/rpc-lib/src/xdr-common.h
@@ -1,133 +1,116 @@
/*
- Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ 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 _XDR_COMMON_H_
#define _XDR_COMMON_H_
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
#include <rpc/types.h>
#include <sys/types.h>
#include <rpc/xdr.h>
+#include <rpc/auth.h>
#include <sys/uio.h>
#ifdef __NetBSD__
#include <dirent.h>
#endif /* __NetBSD__ */
-
enum gf_dump_procnum {
- GF_DUMP_NULL,
- GF_DUMP_DUMP,
- GF_DUMP_MAXVALUE,
+ GF_DUMP_NULL,
+ GF_DUMP_DUMP,
+ GF_DUMP_PING,
+ GF_DUMP_MAXVALUE,
};
#define GLUSTER_DUMP_PROGRAM 123451501 /* Completely random */
#define GLUSTER_DUMP_VERSION 1
+/* MAX_AUTH_BYTES is restricted to 400 bytes, see
+ * http://tools.ietf.org/html/rfc5531#section-8.2 */
+#define GF_MAX_AUTH_BYTES MAX_AUTH_BYTES
+
+/* The size of an AUTH_GLUSTERFS_V2 structure:
+ *
+ * 1 | pid
+ * 1 | uid
+ * 1 | gid
+ * 1 | groups_len
+ * XX | groups_val (GF_MAX_AUX_GROUPS=65535)
+ * 1 | lk_owner_len
+ * YY | lk_owner_val (GF_MAX_LOCK_OWNER_LEN=1024)
+ * ----+-------------------------------------------
+ * 5 | total xdr-units
+ *
+ * one XDR-unit is defined as BYTES_PER_XDR_UNIT = 4 bytes
+ * MAX_AUTH_BYTES = 400 is the maximum, this is 100 xdr-units.
+ * XX + YY can be 95 to fill the 100 xdr-units.
+ *
+ * Note that the on-wire protocol has tighter requirements than the internal
+ * structures. It is possible for xlators to use more groups and a bigger
+ * lk_owner than that can be sent by a GlusterFS-client.
+ *
+ * -------
+ * On v3, there are 4 more units, and hence it will be 9 xdr-units
+ */
+#define GF_AUTH_GLUSTERFS_MAX_GROUPS(lk_len, type) \
+ ((type == AUTH_GLUSTERFS_v2) ? (95 - lk_len) : (91 - lk_len))
+#define GF_AUTH_GLUSTERFS_MAX_LKOWNER(groups_len, type) \
+ ((type == AUTH_GLUSTERFS_v2) ? (95 - groups_len) : (91 - groups_len))
+
+#ifdef GF_LINUX_HOST_OS
+#define xdr_u_int32_t xdr_uint32_t
+#define xdr_u_int64_t xdr_uint64_t
+unsigned long
+xdr_sizeof(xdrproc_t func, void *data);
+#endif
-#if GF_DARWIN_HOST_OS
+#ifdef GF_DARWIN_HOST_OS
#define xdr_u_quad_t xdr_u_int64_t
-#define xdr_quad_t xdr_int64_t
+#define xdr_quad_t xdr_int64_t
#define xdr_uint32_t xdr_u_int32_t
+#define xdr_uint64_t xdr_u_int64_t
#define uint64_t u_int64_t
+unsigned long
+xdr_sizeof(xdrproc_t func, void *data);
#endif
#if defined(__NetBSD__)
#define xdr_u_quad_t xdr_u_int64_t
-#define xdr_quad_t xdr_int64_t
+#define xdr_quad_t xdr_int64_t
#define xdr_uint32_t xdr_u_int32_t
+#define xdr_uint64_t xdr_u_int64_t
#endif
-
-#if GF_SOLARIS_HOST_OS
+#ifdef GF_SOLARIS_HOST_OS
#define u_quad_t uint64_t
#define quad_t int64_t
#define xdr_u_quad_t xdr_uint64_t
-#define xdr_quad_t xdr_int64_t
-#define xdr_uint32_t xdr_uint32_t
+#define xdr_quad_t xdr_int64_t
#endif
-struct auth_glusterfs_parms {
- uint64_t lk_owner;
- u_int pid;
- u_int uid;
- u_int gid;
- u_int ngrps;
- u_int groups[16];
-} __attribute__((packed));
-typedef struct auth_glusterfs_parms auth_glusterfs_parms;
-
-struct gf_dump_req {
- uint64_t gfs_id;
-} __attribute__((packed));
-typedef struct gf_dump_req gf_dump_req;
-
-struct gf_prog_detail {
- char *progname;
- uint64_t prognum;
- uint64_t progver;
- struct gf_prog_detail *next;
-} __attribute__((packed));
-typedef struct gf_prog_detail gf_prog_detail;
-
-struct gf_dump_rsp {
- uint64_t gfs_id;
- int op_ret;
- int op_errno;
- struct gf_prog_detail *prog;
-}__attribute__((packed));
-typedef struct gf_dump_rsp gf_dump_rsp;
-
-extern bool_t
-xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp);
-extern bool_t xdr_gf_dump_req (XDR *, gf_dump_req*);
-extern bool_t xdr_gf_prog_detail (XDR *, gf_prog_detail*);
-extern bool_t xdr_gf_dump_rsp (XDR *, gf_dump_rsp*);
-
-ssize_t
-xdr_serialize_dump_rsp (struct iovec outmsg, void *rsp);
-ssize_t
-xdr_to_dump_req (struct iovec inmsg, void *args);
-ssize_t
-xdr_from_dump_req (struct iovec outmsg, void *rsp);
-ssize_t
-xdr_to_dump_rsp (struct iovec inmsg, void *args);
-
/* Returns the address of the byte that follows the
* last byte used for decoding the previous xdr component.
* E.g. once the RPC call for NFS has been decoded, the macro will return
* the address from which the NFS header starts.
*/
-#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private)
+#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private)
/* Returns the length of the remaining record after the previous decode
* operation completed.
*/
-#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy)
+#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy)
/* Returns the number of bytes used by the last encode operation. */
-#define xdr_encoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
+#define xdr_encoded_length(xdr) \
+ (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
-#define xdr_decoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
+#define xdr_decoded_length(xdr) \
+ (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#endif
generated by cgit (git 2.34.1) at 2025-12-28 12:53:32 +0000