2012-05-26 06:09:55 +08:00
|
|
|
/*
|
|
|
|
* GSS Proxy upcall module
|
|
|
|
*
|
|
|
|
* Copyright (C) 2012 Simo Sorce <simo@redhat.com>
|
|
|
|
*
|
|
|
|
* This program 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 2 of the License, or
|
|
|
|
* (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program 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, write to the Free Software
|
|
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef _LINUX_GSS_RPC_XDR_H
|
|
|
|
#define _LINUX_GSS_RPC_XDR_H
|
|
|
|
|
|
|
|
#include <linux/sunrpc/xdr.h>
|
|
|
|
#include <linux/sunrpc/clnt.h>
|
|
|
|
#include <linux/sunrpc/xprtsock.h>
|
|
|
|
|
2014-11-18 05:58:04 +08:00
|
|
|
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
|
2012-05-26 06:09:55 +08:00
|
|
|
# define RPCDBG_FACILITY RPCDBG_AUTH
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define LUCID_OPTION "exported_context_type"
|
|
|
|
#define LUCID_VALUE "linux_lucid_v1"
|
|
|
|
#define CREDS_OPTION "exported_creds_type"
|
|
|
|
#define CREDS_VALUE "linux_creds_v1"
|
|
|
|
|
|
|
|
typedef struct xdr_netobj gssx_buffer;
|
|
|
|
typedef struct xdr_netobj utf8string;
|
|
|
|
typedef struct xdr_netobj gssx_OID;
|
|
|
|
|
|
|
|
enum gssx_cred_usage {
|
|
|
|
GSSX_C_INITIATE = 1,
|
|
|
|
GSSX_C_ACCEPT = 2,
|
|
|
|
GSSX_C_BOTH = 3,
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_option {
|
|
|
|
gssx_buffer option;
|
|
|
|
gssx_buffer value;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_option_array {
|
|
|
|
u32 count;
|
|
|
|
struct gssx_option *data;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_status {
|
|
|
|
u64 major_status;
|
|
|
|
gssx_OID mech;
|
|
|
|
u64 minor_status;
|
|
|
|
utf8string major_status_string;
|
|
|
|
utf8string minor_status_string;
|
|
|
|
gssx_buffer server_ctx;
|
|
|
|
struct gssx_option_array options;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_call_ctx {
|
|
|
|
utf8string locale;
|
|
|
|
gssx_buffer server_ctx;
|
|
|
|
struct gssx_option_array options;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_name_attr {
|
|
|
|
gssx_buffer attr;
|
|
|
|
gssx_buffer value;
|
|
|
|
struct gssx_option_array extensions;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_name_attr_array {
|
|
|
|
u32 count;
|
|
|
|
struct gssx_name_attr *data;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_name {
|
|
|
|
gssx_buffer display_name;
|
|
|
|
};
|
|
|
|
typedef struct gssx_name gssx_name;
|
|
|
|
|
|
|
|
struct gssx_cred_element {
|
|
|
|
gssx_name MN;
|
|
|
|
gssx_OID mech;
|
|
|
|
u32 cred_usage;
|
|
|
|
u64 initiator_time_rec;
|
|
|
|
u64 acceptor_time_rec;
|
|
|
|
struct gssx_option_array options;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_cred_element_array {
|
|
|
|
u32 count;
|
|
|
|
struct gssx_cred_element *data;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_cred {
|
|
|
|
gssx_name desired_name;
|
|
|
|
struct gssx_cred_element_array elements;
|
|
|
|
gssx_buffer cred_handle_reference;
|
|
|
|
u32 needs_release;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_ctx {
|
|
|
|
gssx_buffer exported_context_token;
|
|
|
|
gssx_buffer state;
|
|
|
|
u32 need_release;
|
|
|
|
gssx_OID mech;
|
|
|
|
gssx_name src_name;
|
|
|
|
gssx_name targ_name;
|
|
|
|
u64 lifetime;
|
|
|
|
u64 ctx_flags;
|
|
|
|
u32 locally_initiated;
|
|
|
|
u32 open;
|
|
|
|
struct gssx_option_array options;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_cb {
|
|
|
|
u64 initiator_addrtype;
|
|
|
|
gssx_buffer initiator_address;
|
|
|
|
u64 acceptor_addrtype;
|
|
|
|
gssx_buffer acceptor_address;
|
|
|
|
gssx_buffer application_data;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/* This structure is not defined in the protocol.
|
|
|
|
* It is used in the kernel to carry around a big buffer
|
|
|
|
* as a set of pages */
|
|
|
|
struct gssp_in_token {
|
|
|
|
struct page **pages; /* Array of contiguous pages */
|
|
|
|
unsigned int page_base; /* Start of page data */
|
|
|
|
unsigned int page_len; /* Length of page data */
|
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_arg_accept_sec_context {
|
|
|
|
struct gssx_call_ctx call_ctx;
|
|
|
|
struct gssx_ctx *context_handle;
|
|
|
|
struct gssx_cred *cred_handle;
|
|
|
|
struct gssp_in_token input_token;
|
|
|
|
struct gssx_cb *input_cb;
|
|
|
|
u32 ret_deleg_cred;
|
|
|
|
struct gssx_option_array options;
|
2013-08-21 06:13:27 +08:00
|
|
|
struct page **pages;
|
|
|
|
unsigned int npages;
|
2012-05-26 06:09:55 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
struct gssx_res_accept_sec_context {
|
|
|
|
struct gssx_status status;
|
|
|
|
struct gssx_ctx *context_handle;
|
|
|
|
gssx_buffer *output_token;
|
|
|
|
/* struct gssx_cred *delegated_cred_handle; not used in kernel */
|
|
|
|
struct gssx_option_array options;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define gssx_enc_indicate_mechs NULL
|
|
|
|
#define gssx_dec_indicate_mechs NULL
|
|
|
|
#define gssx_enc_get_call_context NULL
|
|
|
|
#define gssx_dec_get_call_context NULL
|
|
|
|
#define gssx_enc_import_and_canon_name NULL
|
|
|
|
#define gssx_dec_import_and_canon_name NULL
|
|
|
|
#define gssx_enc_export_cred NULL
|
|
|
|
#define gssx_dec_export_cred NULL
|
|
|
|
#define gssx_enc_import_cred NULL
|
|
|
|
#define gssx_dec_import_cred NULL
|
|
|
|
#define gssx_enc_acquire_cred NULL
|
|
|
|
#define gssx_dec_acquire_cred NULL
|
|
|
|
#define gssx_enc_store_cred NULL
|
|
|
|
#define gssx_dec_store_cred NULL
|
|
|
|
#define gssx_enc_init_sec_context NULL
|
|
|
|
#define gssx_dec_init_sec_context NULL
|
|
|
|
void gssx_enc_accept_sec_context(struct rpc_rqst *req,
|
|
|
|
struct xdr_stream *xdr,
|
|
|
|
struct gssx_arg_accept_sec_context *args);
|
|
|
|
int gssx_dec_accept_sec_context(struct rpc_rqst *rqstp,
|
|
|
|
struct xdr_stream *xdr,
|
|
|
|
struct gssx_res_accept_sec_context *res);
|
|
|
|
#define gssx_enc_release_handle NULL
|
|
|
|
#define gssx_dec_release_handle NULL
|
|
|
|
#define gssx_enc_get_mic NULL
|
|
|
|
#define gssx_dec_get_mic NULL
|
|
|
|
#define gssx_enc_verify NULL
|
|
|
|
#define gssx_dec_verify NULL
|
|
|
|
#define gssx_enc_wrap NULL
|
|
|
|
#define gssx_dec_wrap NULL
|
|
|
|
#define gssx_enc_unwrap NULL
|
|
|
|
#define gssx_dec_unwrap NULL
|
|
|
|
#define gssx_enc_wrap_size_limit NULL
|
|
|
|
#define gssx_dec_wrap_size_limit NULL
|
|
|
|
|
|
|
|
/* non implemented calls are set to 0 size */
|
|
|
|
#define GSSX_ARG_indicate_mechs_sz 0
|
|
|
|
#define GSSX_RES_indicate_mechs_sz 0
|
|
|
|
#define GSSX_ARG_get_call_context_sz 0
|
|
|
|
#define GSSX_RES_get_call_context_sz 0
|
|
|
|
#define GSSX_ARG_import_and_canon_name_sz 0
|
|
|
|
#define GSSX_RES_import_and_canon_name_sz 0
|
|
|
|
#define GSSX_ARG_export_cred_sz 0
|
|
|
|
#define GSSX_RES_export_cred_sz 0
|
|
|
|
#define GSSX_ARG_import_cred_sz 0
|
|
|
|
#define GSSX_RES_import_cred_sz 0
|
|
|
|
#define GSSX_ARG_acquire_cred_sz 0
|
|
|
|
#define GSSX_RES_acquire_cred_sz 0
|
|
|
|
#define GSSX_ARG_store_cred_sz 0
|
|
|
|
#define GSSX_RES_store_cred_sz 0
|
|
|
|
#define GSSX_ARG_init_sec_context_sz 0
|
|
|
|
#define GSSX_RES_init_sec_context_sz 0
|
|
|
|
|
|
|
|
#define GSSX_default_in_call_ctx_sz (4 + 4 + 4 + \
|
|
|
|
8 + sizeof(LUCID_OPTION) + sizeof(LUCID_VALUE) + \
|
|
|
|
8 + sizeof(CREDS_OPTION) + sizeof(CREDS_VALUE))
|
|
|
|
#define GSSX_default_in_ctx_hndl_sz (4 + 4+8 + 4 + 4 + 6*4 + 6*4 + 8 + 8 + \
|
|
|
|
4 + 4 + 4)
|
|
|
|
#define GSSX_default_in_cred_sz 4 /* we send in no cred_handle */
|
|
|
|
#define GSSX_default_in_token_sz 4 /* does *not* include token data */
|
|
|
|
#define GSSX_default_in_cb_sz 4 /* we do not use channel bindings */
|
|
|
|
#define GSSX_ARG_accept_sec_context_sz (GSSX_default_in_call_ctx_sz + \
|
|
|
|
GSSX_default_in_ctx_hndl_sz + \
|
|
|
|
GSSX_default_in_cred_sz + \
|
|
|
|
GSSX_default_in_token_sz + \
|
|
|
|
GSSX_default_in_cb_sz + \
|
|
|
|
4 /* no deleg creds boolean */ + \
|
|
|
|
4) /* empty options */
|
|
|
|
|
|
|
|
/* somewhat arbitrary numbers but large enough (we ignore some of the data
|
|
|
|
* sent down, but it is part of the protocol so we need enough space to take
|
|
|
|
* it in) */
|
|
|
|
#define GSSX_default_status_sz 8 + 24 + 8 + 256 + 256 + 16 + 4
|
|
|
|
#define GSSX_max_output_handle_sz 128
|
|
|
|
#define GSSX_max_oid_sz 16
|
|
|
|
#define GSSX_max_princ_sz 256
|
|
|
|
#define GSSX_default_ctx_sz (GSSX_max_output_handle_sz + \
|
|
|
|
16 + 4 + GSSX_max_oid_sz + \
|
|
|
|
2 * GSSX_max_princ_sz + \
|
|
|
|
8 + 8 + 4 + 4 + 4)
|
|
|
|
#define GSSX_max_output_token_sz 1024
|
2013-08-21 06:13:27 +08:00
|
|
|
/* grouplist not included; we allocate separate pages for that: */
|
|
|
|
#define GSSX_max_creds_sz (4 + 4 + 4 /* + NGROUPS_MAX*4 */)
|
2012-05-26 06:09:55 +08:00
|
|
|
#define GSSX_RES_accept_sec_context_sz (GSSX_default_status_sz + \
|
|
|
|
GSSX_default_ctx_sz + \
|
|
|
|
GSSX_max_output_token_sz + \
|
|
|
|
4 + GSSX_max_creds_sz)
|
|
|
|
|
|
|
|
#define GSSX_ARG_release_handle_sz 0
|
|
|
|
#define GSSX_RES_release_handle_sz 0
|
|
|
|
#define GSSX_ARG_get_mic_sz 0
|
|
|
|
#define GSSX_RES_get_mic_sz 0
|
|
|
|
#define GSSX_ARG_verify_sz 0
|
|
|
|
#define GSSX_RES_verify_sz 0
|
|
|
|
#define GSSX_ARG_wrap_sz 0
|
|
|
|
#define GSSX_RES_wrap_sz 0
|
|
|
|
#define GSSX_ARG_unwrap_sz 0
|
|
|
|
#define GSSX_RES_unwrap_sz 0
|
|
|
|
#define GSSX_ARG_wrap_size_limit_sz 0
|
|
|
|
#define GSSX_RES_wrap_size_limit_sz 0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif /* _LINUX_GSS_RPC_XDR_H */
|