178 lines
6.5 KiB
C
178 lines
6.5 KiB
C
/************************************************************************/
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/* SISCO SOFTWARE MODULE HEADER *****************************************/
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/************************************************************************/
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/* (c) Copyright Systems Integration Specialists Company, Inc., */
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/* 1986 - 2001, All Rights Reserved. */
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/* */
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/* PROPRIETARY AND CONFIDENTIAL */
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/* */
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/* MODULE NAME : rs_defvlist.c */
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/* PRODUCT(S) : MMSEASE, MMSEASE-LITE */
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/* */
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/* MODULE DESCRIPTION : */
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/* This module contains the responder portion of define named */
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/* variable list. It decodes the define named variable list */
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/* request (indication) & encodes the define named variable list */
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/* response. */
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/* */
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/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
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/* */
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/* MODIFICATION LOG : */
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/* Date Who Rev Comments */
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/* -------- --- ------ ------------------------------------------- */
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/* 03/11/04 GLB 08 Remove "thisFileName" */
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/* 12/20/01 JRB 07 Converted to use ASN1R (re-entrant ASN1) */
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/* 08/21/01 JRB 06 Don't allow compile if INT_MAX not defined. */
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/* 06/22/01 RKR 05 Added limits.h */
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/* 04/27/00 MDE 04 Lint cleanup */
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/* 09/13/99 MDE 03 Added SD_CONST modifiers */
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/* 03/23/99 MDE 02 Changes to decode buffer allocation scheme */
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/* 07/03/97 MDE 01 Op-specific info buffer handling changes */
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/* 04/02/97 DTL 7.00 MMSEASE 7.0 release. See MODL70.DOC for */
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/* history. */
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/************************************************************************/
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#include "glbtypes.h"
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#include "sysincs.h"
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#include <limits.h>
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#ifndef INT_MAX
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#error INT_MAX must be defined. Usually defined in limits.h
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#endif
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#include "mmsdefs.h"
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#include "mms_pvar.h"
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#include "asn1defs.h"
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/************************************************************************/
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/* variables global to the DECODE portion : */
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static VARIABLE_LIST *vlist_ptr;
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static ST_INT max_num_vars;
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static DEFVLIST_REQ_INFO *req_info;
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/************************************************************************/
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/* variables global to the ENCODE portion : NONE */
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static ST_VOID defvlist_list_done (ASN1_DEC_CTXT *aCtx);
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static ST_VOID defvlist_get_varlist (ASN1_DEC_CTXT *aCtx);
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static ST_VOID defvlist_name_done (ASN1_DEC_CTXT *aCtx);
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/************************************************************************/
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/************************************************************************/
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/* mms_def_vlist_req */
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/* This function is called from MMSDEC when the opcode for this */
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/* operation is decoded. Setup state machine function pointers, etc. */
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/************************************************************************/
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/* This is used to restrict the maximum buffer size to 0xFF00, which is */
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/* close to the max allowed for the chk_xxx series for 16 bit systems */
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#define MAX_ALLOWED_VARS ((0xFF00 - sizeof (DEFVLIST_REQ_INFO)) / sizeof (VARIABLE_LIST))
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ST_VOID mms_def_vlist_req (ASN1_DEC_CTXT *aCtx)
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{
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ST_INT req_size;
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MLOG_CDEC0 ("Define Named Variable List Request");
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#if defined(FIXED_DECBUF)
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max_num_vars = m_sv_max_num_vars;
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req_size = mmsl_dec_info_size;
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#else
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max_num_vars = _mmsdec_msglen / 2;
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if (m_sv_max_num_vars && (max_num_vars > m_sv_max_num_vars))
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max_num_vars = m_sv_max_num_vars;
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/* verify buffer size is allocatable */
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#if (INT_MAX <= 0x7FFF)
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if (max_num_vars > MAX_ALLOWED_VARS)
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max_num_vars = MAX_ALLOWED_VARS;
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#endif
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req_size = sizeof(DEFVLIST_REQ_INFO) +
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(sizeof(VARIABLE_LIST) * max_num_vars);
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#endif
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/* get storage for request information */
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req_info = (DEFVLIST_REQ_INFO *) _m_get_dec_buf (aCtx, req_size);
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vlist_ptr = (VARIABLE_LIST *) (req_info + 1);
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_ms_get_mms_objname (aCtx, &req_info->vl_name, defvlist_name_done);
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}
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/************************************************************************/
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/* defvlist_name_done */
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/* decoding define named variable list request: variable list name has */
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/* been obtained. */
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/************************************************************************/
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static ST_VOID defvlist_name_done (ASN1_DEC_CTXT *aCtx)
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{
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ASN1R_TAG_ADD (aCtx, CTX | CONSTR, 0, defvlist_get_varlist);
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}
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/************************************************************************/
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/* defvlist_get_varlist */
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/* decoding define named variable list request: list of variables */
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/* constructor has been obtained. */
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/************************************************************************/
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static ST_VOID defvlist_get_varlist (ASN1_DEC_CTXT *aCtx)
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{
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req_info->num_of_variables = 0;
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_ms_get_va_var_list (aCtx, vlist_ptr, &req_info->num_of_variables,
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max_num_vars, defvlist_list_done);
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}
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/************************************************************************/
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/* defvlist_list_done */
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/* decoding define named variable list request: list of variables has */
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/* been obtained. */
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/************************************************************************/
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static ST_VOID defvlist_list_done (ASN1_DEC_CTXT *aCtx)
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{
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ST_INT req_size;
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/* find actual size for request info */
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req_size = sizeof (DEFVLIST_REQ_INFO)
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+ (sizeof (VARIABLE_LIST)*req_info->num_of_variables);
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/* give back unused storage */
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_mms_dec_info = (*m_realloc_os_fun) (_mms_dec_info, req_size);
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req_info = (DEFVLIST_REQ_INFO *) _mms_dec_info;
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_ms_set_cs_check (aCtx); /* check for Companion Standard info */
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}
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#ifndef MMS_LITE
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/************************************************************************/
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/************************************************************************/
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/* mp_defvlist_resp */
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/* This function is called from either the application or the virtual */
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/* machine to ENCODE and send the define named variable list response. */
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/************************************************************************/
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ST_RET mp_defvlist_resp (MMSREQ_IND *indptr)
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{
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return (_mms_send_null_resp (indptr,MMSOP_DEF_VLIST));
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}
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#else
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/************************************************************************/
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/************************************************************************/
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/* mpl_defvlist_resp */
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/* This function is called from either the application or the virtual */
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/* machine to ENCODE the define named variable list response. */
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/************************************************************************/
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ST_RET mpl_defvlist_resp (ST_UINT32 invoke_id)
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{
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return (_mms_fin_null_resp (invoke_id,MMSOP_DEF_VLIST));
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}
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#endif
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