248 lines
8.3 KiB
C
248 lines
8.3 KiB
C
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/************************************************************************/
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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 : rq_ident.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 requester portion of the Identify */
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/* service. It decodes the Identify response (indication) and */
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/* encodes the Identify request. */
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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 05 Remove "thisFileName" */
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/* 12/20/01 JRB 04 Converted to use ASN1R (re-entrant ASN1) */
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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 "mmsdefs.h"
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#include "mms_pvmd.h"
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#include "asn1defs.h"
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/************************************************************************/
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/* variables global to the DECODE portion : NONE */
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static IDENT_RESP_INFO *info;
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static ST_CHAR *vstr;
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/************************************************************************/
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/* variables global to the ENCODE portion : NONE */
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static ST_VOID ident_get_model (ASN1_DEC_CTXT *aCtx);
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static ST_VOID ident_get_vendor (ASN1_DEC_CTXT *aCtx);
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static ST_VOID ident_get_rev (ASN1_DEC_CTXT *aCtx);
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static ST_VOID ident_start_as (ASN1_DEC_CTXT *aCtx);
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static ST_VOID ident_get_as (ASN1_DEC_CTXT *aCtx);
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static ST_VOID ident_as_seq_done (ASN1_DEC_CTXT *aCtx);
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/************************************************************************/
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/************************************************************************/
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/* mms_identify_rsp */
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/* Function called to decode an Identify response PDU after the PDU */
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/* type has been determined. Sets up state machine function pointers */
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/* and returns, letting the ASN1DE tools take over. */
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/************************************************************************/
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ST_VOID mms_identify_rsp (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("Identify Response");
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/* get storage for request information */
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info = (IDENT_RESP_INFO *) _m_get_dec_buf (aCtx, sizeof (IDENT_RESP_INFO));
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ASN1R_TAG_ADD (aCtx, CTX,0,ident_get_vendor);
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}
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/************************************************************************/
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/* ident_get_vendor */
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/* Identify response is being decoded: vendor name has been encountered.*/
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/************************************************************************/
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static ST_VOID ident_get_vendor (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("ident_get_vendor");
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/* copy vendor name back onto itself shifted by one character */
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vstr = (ST_CHAR *) aCtx->asn1r_field_ptr - 1;
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if (asn1r_get_vstr (aCtx, vstr))
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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if (strlen (vstr) < MAX_VEND_LEN)
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strcpy (info->vend, vstr);
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else
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memcpy (info->vend, vstr, MAX_VEND_LEN); /* only take up to MAX_VEND_LEN */
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info->vend[ MAX_VEND_LEN ] = 0x00; /* NULL term. end just in case */
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ASN1R_TAG_ADD (aCtx, CTX,1,ident_get_model);
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}
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/************************************************************************/
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/* ident_get_model */
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/* Identify response is being decoded: model name has been encountered. */
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/************************************************************************/
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static ST_VOID ident_get_model (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("ident_get_model");
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vstr = (ST_CHAR *) aCtx->asn1r_field_ptr - 1;
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if (asn1r_get_vstr (aCtx, vstr))
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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if (strlen (vstr) < MAX_MOD_LEN)
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strcpy (info->model, vstr);
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else
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memcpy (info->model, vstr, MAX_MOD_LEN); /* only take up to MAX_MOD_LEN */
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info->model[ MAX_MOD_LEN ] = 0x00; /* NULL term. end just in case */
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ASN1R_TAG_ADD (aCtx, CTX,2,ident_get_rev);
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}
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/************************************************************************/
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/* ident_get_rev */
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/* Identify response is being decoded: revision name was encountered. */
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/************************************************************************/
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static ST_VOID ident_get_rev (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("ident_get_rev");
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vstr = (ST_CHAR *) aCtx->asn1r_field_ptr - 1;
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if (asn1r_get_vstr (aCtx, vstr))
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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if (strlen (vstr) < MAX_REV_LEN)
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strcpy (info->rev, vstr);
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else
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memcpy (info->rev, vstr, MAX_REV_LEN); /* only take up to MAX_REV_LEN */
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info->rev[ MAX_REV_LEN ] = 0x00; /* NULL term. end just in case */
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_ms_set_cs_check (aCtx); /* check for CS info */
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/* if using IS, could have a list of abstract syntax's following */
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#ifndef MMS_LITE
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if (mms_chan_info[_mmsdechan].version) /* IS */
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ASN1R_TAG_ADD (aCtx, CTX|CONSTR,3,ident_start_as);
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#else
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if (mmsl_version) /* IS */
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ASN1R_TAG_ADD (aCtx, CTX|CONSTR,3,ident_start_as);
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#endif
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}
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/************************************************************************/
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/* ident_start_as */
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/* Identify response is being decoded: AS sequence detected */
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/************************************************************************/
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static ST_VOID ident_start_as (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("ident_start_as");
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aCtx->asn1r_c_done_fun[aCtx->asn1r_msg_level] = ident_as_seq_done;
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ASN1R_TAG_ADD (aCtx, UNI,OBJ_ID_CODE,ident_get_as);
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}
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/************************************************************************/
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/* ident_get_as */
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/* Identify response is being decoded: AS obj id found */
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/************************************************************************/
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static ST_VOID ident_get_as (ASN1_DEC_CTXT *aCtx)
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{
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ST_INT new_size;
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struct mms_obj_id *obj;
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MLOG_CDEC0 ("ident_get_as");
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new_size = sizeof (IDENT_RESP_INFO) +
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(sizeof (struct mms_obj_id) * (info->num_as+1));
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_mms_dec_info = (*m_realloc_os_fun) (_mms_dec_info,new_size);
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info = (IDENT_RESP_INFO *) _mms_dec_info;
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obj = (struct mms_obj_id *) (info +1); /* point to first */
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obj += info->num_as; /* point to next spot */
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if (asn1r_get_objid (aCtx, obj->comps,&obj->num_comps))
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{
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asn1r_set_dec_err (aCtx, RESP_BAD_VALUE);
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return;
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}
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/* get ready for another in the sequence */
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ASN1R_TAG_ADD (aCtx, UNI,OBJ_ID_CODE,ident_get_as);
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info->num_as++;
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}
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/************************************************************************/
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/* ident_as_seq_done */
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/* Identify response is being decoded: AS sequence complete */
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/************************************************************************/
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static ST_VOID ident_as_seq_done (ASN1_DEC_CTXT *aCtx)
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{
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MLOG_CDEC0 ("ident_as_seq_done");
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_ms_set_cs_check (aCtx); /* check for CS 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_ident */
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/* This function is called from the user to ENCODE and send the */
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/* Identify request PDU. */
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/************************************************************************/
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MMSREQ_PEND *mp_ident (ST_INT chan)
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{
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return (_mms_send_null_req (chan,MMSOP_IDENTIFY));
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}
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#else
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/************************************************************************/
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/************************************************************************/
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/* mpl_ident */
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/* This function is called from the user to ENCODE and send the */
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/* Identify request PDU. */
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/************************************************************************/
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ST_RET mpl_ident (ST_VOID)
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{
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return (_mms_fin_null_req (MMSOP_IDENTIFY));
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}
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#endif
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