81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/************************************************************************/
|
|
/* SISCO SOFTWARE MODULE HEADER *****************************************/
|
|
/************************************************************************/
|
|
/* (c) Copyright Systems Integration Specialists Company, Inc., */
|
|
/* 1986 - 2002, All Rights Reserved. */
|
|
/* */
|
|
/* PROPRIETARY AND CONFIDENTIAL */
|
|
/* */
|
|
/* MODULE NAME : are_objid.c */
|
|
/* PRODUCT(S) : ASN1DE */
|
|
/* */
|
|
/* MODULE DESCRIPTION : */
|
|
/* */
|
|
/* GLOBAL FUNCTIONS DEFINED IN THIS MODULE : */
|
|
/* */
|
|
/* MODIFICATION LOG : */
|
|
/* Date Who Rev Comments */
|
|
/* -------- --- ------ ------------------------------------------- */
|
|
/* 03/11/04 GLB 07 Remove "thisFileName" */
|
|
/* 01/14/03 JRB 06 Avoid redundant logging of encode overrun. */
|
|
/* 03/05/02 JRB 05 Eliminate warnings. */
|
|
/* 01/22/02 JRB 04 Chg asn1r_end_of_buffer to asn1r_buf_start. */
|
|
/* 12/20/01 JRB 03 Chg ASN1_CTXT to ASN1_ENC_CTXT. */
|
|
/* 09/13/99 MDE 02 Added SD_CONST modifiers */
|
|
/* 07/26/99 MDE 01 New module, derived from ae_objid.c */
|
|
/************************************************************************/
|
|
|
|
#include "glbtypes.h"
|
|
#include "sysincs.h"
|
|
#include "asn1r.h"
|
|
#include "asn1log.h"
|
|
|
|
/************************************************************************/
|
|
/* Static functions in this module */
|
|
|
|
static ST_VOID _wr_component (ASN1_ENC_CTXT *ac, ST_INT16);
|
|
|
|
/************************************************************************/
|
|
/* wr_objid */
|
|
/* Function to write an object identifier data element to a message */
|
|
/* being built. */
|
|
/************************************************************************/
|
|
|
|
ST_VOID asn1r_wr_objid (ASN1_ENC_CTXT *ac, ST_INT16 component_list[], ST_INT num_components)
|
|
{
|
|
ST_INT i;
|
|
ST_INT16 icomp;
|
|
|
|
for (i = num_components - 1; i > 1; i--)
|
|
_wr_component(ac, component_list[i]);
|
|
|
|
icomp = component_list[1] + component_list[0]*40;
|
|
_wr_component(ac, icomp);
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* _wr_component */
|
|
/* Function to write an integer to a field of octets in the following */
|
|
/* format: [1xxxxxxx] ... 0xxxxxxx , where all but the last */
|
|
/* octet starts with a 1 bit, and where the x's are the bits of the */
|
|
/* binary integer input to the function (distributed 7 bits per octet).*/
|
|
/************************************************************************/
|
|
|
|
static ST_VOID _wr_component (ASN1_ENC_CTXT *ac, ST_INT16 icomp)
|
|
{
|
|
if (ac->asn1r_field_ptr -2 < ac->asn1r_buf_start)
|
|
{
|
|
ac->asn1r_encode_overrun = SD_TRUE;
|
|
return;
|
|
}
|
|
|
|
if (icomp < 0x80)
|
|
*(ac->asn1r_field_ptr--) = (ST_UCHAR) icomp;
|
|
else
|
|
{
|
|
*(ac->asn1r_field_ptr--) = (ST_UCHAR) (icomp & 0x7F);
|
|
*(ac->asn1r_field_ptr--) = (ST_UCHAR) (((icomp >> 7) & 0x7F) | 0x80);
|
|
}
|
|
}
|
|
|