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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c56c620b3e
Declare the p_decode callbacks with the proper prototype instead of casting to kxdrdproc_t and losing all type safety. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jeff Layton <jlayton@redhat.com> Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
268 lines
7.4 KiB
C
268 lines
7.4 KiB
C
/*
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* GSS Proxy upcall module
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*
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* Copyright (C) 2012 Simo Sorce <simo@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _LINUX_GSS_RPC_XDR_H
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#define _LINUX_GSS_RPC_XDR_H
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#include <linux/sunrpc/xdr.h>
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#include <linux/sunrpc/clnt.h>
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#include <linux/sunrpc/xprtsock.h>
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#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
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# define RPCDBG_FACILITY RPCDBG_AUTH
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#endif
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#define LUCID_OPTION "exported_context_type"
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#define LUCID_VALUE "linux_lucid_v1"
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#define CREDS_OPTION "exported_creds_type"
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#define CREDS_VALUE "linux_creds_v1"
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typedef struct xdr_netobj gssx_buffer;
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typedef struct xdr_netobj utf8string;
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typedef struct xdr_netobj gssx_OID;
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enum gssx_cred_usage {
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GSSX_C_INITIATE = 1,
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GSSX_C_ACCEPT = 2,
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GSSX_C_BOTH = 3,
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};
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struct gssx_option {
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gssx_buffer option;
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gssx_buffer value;
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};
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struct gssx_option_array {
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u32 count;
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struct gssx_option *data;
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};
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struct gssx_status {
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u64 major_status;
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gssx_OID mech;
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u64 minor_status;
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utf8string major_status_string;
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utf8string minor_status_string;
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gssx_buffer server_ctx;
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struct gssx_option_array options;
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};
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struct gssx_call_ctx {
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utf8string locale;
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gssx_buffer server_ctx;
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struct gssx_option_array options;
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};
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struct gssx_name_attr {
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gssx_buffer attr;
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gssx_buffer value;
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struct gssx_option_array extensions;
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};
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struct gssx_name_attr_array {
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u32 count;
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struct gssx_name_attr *data;
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};
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struct gssx_name {
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gssx_buffer display_name;
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};
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typedef struct gssx_name gssx_name;
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struct gssx_cred_element {
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gssx_name MN;
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gssx_OID mech;
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u32 cred_usage;
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u64 initiator_time_rec;
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u64 acceptor_time_rec;
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struct gssx_option_array options;
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};
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struct gssx_cred_element_array {
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u32 count;
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struct gssx_cred_element *data;
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};
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struct gssx_cred {
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gssx_name desired_name;
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struct gssx_cred_element_array elements;
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gssx_buffer cred_handle_reference;
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u32 needs_release;
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};
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struct gssx_ctx {
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gssx_buffer exported_context_token;
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gssx_buffer state;
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u32 need_release;
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gssx_OID mech;
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gssx_name src_name;
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gssx_name targ_name;
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u64 lifetime;
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u64 ctx_flags;
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u32 locally_initiated;
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u32 open;
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struct gssx_option_array options;
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};
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struct gssx_cb {
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u64 initiator_addrtype;
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gssx_buffer initiator_address;
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u64 acceptor_addrtype;
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gssx_buffer acceptor_address;
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gssx_buffer application_data;
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};
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/* This structure is not defined in the protocol.
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* It is used in the kernel to carry around a big buffer
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* as a set of pages */
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struct gssp_in_token {
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struct page **pages; /* Array of contiguous pages */
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unsigned int page_base; /* Start of page data */
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unsigned int page_len; /* Length of page data */
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};
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struct gssx_arg_accept_sec_context {
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struct gssx_call_ctx call_ctx;
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struct gssx_ctx *context_handle;
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struct gssx_cred *cred_handle;
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struct gssp_in_token input_token;
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struct gssx_cb *input_cb;
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u32 ret_deleg_cred;
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struct gssx_option_array options;
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struct page **pages;
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unsigned int npages;
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};
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struct gssx_res_accept_sec_context {
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struct gssx_status status;
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struct gssx_ctx *context_handle;
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gssx_buffer *output_token;
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/* struct gssx_cred *delegated_cred_handle; not used in kernel */
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struct gssx_option_array options;
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};
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#define gssx_enc_indicate_mechs NULL
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#define gssx_dec_indicate_mechs NULL
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#define gssx_enc_get_call_context NULL
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#define gssx_dec_get_call_context NULL
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#define gssx_enc_import_and_canon_name NULL
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#define gssx_dec_import_and_canon_name NULL
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#define gssx_enc_export_cred NULL
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#define gssx_dec_export_cred NULL
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#define gssx_enc_import_cred NULL
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#define gssx_dec_import_cred NULL
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#define gssx_enc_acquire_cred NULL
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#define gssx_dec_acquire_cred NULL
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#define gssx_enc_store_cred NULL
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#define gssx_dec_store_cred NULL
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#define gssx_enc_init_sec_context NULL
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#define gssx_dec_init_sec_context NULL
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void gssx_enc_accept_sec_context(struct rpc_rqst *req,
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struct xdr_stream *xdr,
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const void *data);
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int gssx_dec_accept_sec_context(struct rpc_rqst *rqstp,
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struct xdr_stream *xdr,
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void *data);
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#define gssx_enc_release_handle NULL
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#define gssx_dec_release_handle NULL
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#define gssx_enc_get_mic NULL
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#define gssx_dec_get_mic NULL
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#define gssx_enc_verify NULL
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#define gssx_dec_verify NULL
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#define gssx_enc_wrap NULL
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#define gssx_dec_wrap NULL
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#define gssx_enc_unwrap NULL
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#define gssx_dec_unwrap NULL
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#define gssx_enc_wrap_size_limit NULL
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#define gssx_dec_wrap_size_limit NULL
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/* non implemented calls are set to 0 size */
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#define GSSX_ARG_indicate_mechs_sz 0
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#define GSSX_RES_indicate_mechs_sz 0
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#define GSSX_ARG_get_call_context_sz 0
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#define GSSX_RES_get_call_context_sz 0
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#define GSSX_ARG_import_and_canon_name_sz 0
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#define GSSX_RES_import_and_canon_name_sz 0
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#define GSSX_ARG_export_cred_sz 0
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#define GSSX_RES_export_cred_sz 0
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#define GSSX_ARG_import_cred_sz 0
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#define GSSX_RES_import_cred_sz 0
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#define GSSX_ARG_acquire_cred_sz 0
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#define GSSX_RES_acquire_cred_sz 0
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#define GSSX_ARG_store_cred_sz 0
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#define GSSX_RES_store_cred_sz 0
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#define GSSX_ARG_init_sec_context_sz 0
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#define GSSX_RES_init_sec_context_sz 0
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#define GSSX_default_in_call_ctx_sz (4 + 4 + 4 + \
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8 + sizeof(LUCID_OPTION) + sizeof(LUCID_VALUE) + \
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8 + sizeof(CREDS_OPTION) + sizeof(CREDS_VALUE))
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#define GSSX_default_in_ctx_hndl_sz (4 + 4+8 + 4 + 4 + 6*4 + 6*4 + 8 + 8 + \
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4 + 4 + 4)
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#define GSSX_default_in_cred_sz 4 /* we send in no cred_handle */
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#define GSSX_default_in_token_sz 4 /* does *not* include token data */
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#define GSSX_default_in_cb_sz 4 /* we do not use channel bindings */
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#define GSSX_ARG_accept_sec_context_sz (GSSX_default_in_call_ctx_sz + \
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GSSX_default_in_ctx_hndl_sz + \
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GSSX_default_in_cred_sz + \
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GSSX_default_in_token_sz + \
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GSSX_default_in_cb_sz + \
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4 /* no deleg creds boolean */ + \
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4) /* empty options */
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/* somewhat arbitrary numbers but large enough (we ignore some of the data
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* sent down, but it is part of the protocol so we need enough space to take
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* it in) */
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#define GSSX_default_status_sz 8 + 24 + 8 + 256 + 256 + 16 + 4
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#define GSSX_max_output_handle_sz 128
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#define GSSX_max_oid_sz 16
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#define GSSX_max_princ_sz 256
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#define GSSX_default_ctx_sz (GSSX_max_output_handle_sz + \
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16 + 4 + GSSX_max_oid_sz + \
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2 * GSSX_max_princ_sz + \
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8 + 8 + 4 + 4 + 4)
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#define GSSX_max_output_token_sz 1024
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/* grouplist not included; we allocate separate pages for that: */
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#define GSSX_max_creds_sz (4 + 4 + 4 /* + NGROUPS_MAX*4 */)
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#define GSSX_RES_accept_sec_context_sz (GSSX_default_status_sz + \
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GSSX_default_ctx_sz + \
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GSSX_max_output_token_sz + \
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4 + GSSX_max_creds_sz)
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#define GSSX_ARG_release_handle_sz 0
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#define GSSX_RES_release_handle_sz 0
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#define GSSX_ARG_get_mic_sz 0
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#define GSSX_RES_get_mic_sz 0
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#define GSSX_ARG_verify_sz 0
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#define GSSX_RES_verify_sz 0
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#define GSSX_ARG_wrap_sz 0
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#define GSSX_RES_wrap_sz 0
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#define GSSX_ARG_unwrap_sz 0
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#define GSSX_RES_unwrap_sz 0
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#define GSSX_ARG_wrap_size_limit_sz 0
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#define GSSX_RES_wrap_size_limit_sz 0
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#endif /* _LINUX_GSS_RPC_XDR_H */
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