Sweden-Number/dlls/msasn1/main.c

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/*
* Copyright 2014 Austin English
* Copyright 2020 Vijay Kiran Kamuju
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*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "msasn1.h"
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#include "wine/heap.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msasn1);
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BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
{
switch (reason)
{
case DLL_WINE_PREATTACH:
return FALSE; /* prefer native version */
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(instance);
break;
}
return TRUE;
}
ASN1module_t WINAPI ASN1_CreateModule(ASN1uint32_t ver, ASN1encodingrule_e rule, ASN1uint32_t flags,
ASN1uint32_t pdu, const ASN1GenericFun_t encoder[],
const ASN1GenericFun_t decoder[], const ASN1FreeFun_t freemem[],
const ASN1uint32_t size[], ASN1magic_t magic)
{
ASN1module_t module = NULL;
TRACE("(%08x %08x %08x %u %p %p %p %p %u)\n", ver, rule, flags, pdu, encoder, decoder, freemem, size, magic);
if (!encoder || !decoder || !freemem || !size)
return module;
module = heap_alloc(sizeof(*module));
if (module)
{
module->nModuleName = magic;
module->eRule = rule;
module->dwFlags = flags;
module->cPDUs = pdu;
module->apfnFreeMemory = freemem;
module->acbStructSize = size;
if (rule & ASN1_PER_RULE)
{
module->PER.apfnEncoder = (ASN1PerEncFun_t *)encoder;
module->PER.apfnDecoder = (ASN1PerDecFun_t *)decoder;
}
else if (rule & ASN1_BER_RULE)
{
module->BER.apfnEncoder = (ASN1BerEncFun_t *)encoder;
module->BER.apfnDecoder = (ASN1BerDecFun_t *)decoder;
}
else
{
module->PER.apfnEncoder = NULL;
module->PER.apfnDecoder = NULL;
}
}
return module;
}
void WINAPI ASN1_CloseModule(ASN1module_t module)
{
TRACE("(%p)\n", module);
heap_free(module);
}
ASN1error_e WINAPI ASN1_CreateEncoder(ASN1module_t module, ASN1encoding_t *encoder, ASN1octet_t *buf,
ASN1uint32_t bufsize, ASN1encoding_t parent)
{
ASN1encoding_t enc;
TRACE("(%p %p %p %u %p)\n", module, encoder, buf, bufsize, parent);
if (!module || !encoder)
return ASN1_ERR_BADARGS;
enc = heap_alloc(sizeof(*enc));
if (!enc)
{
return ASN1_ERR_MEMORY;
}
if (parent)
FIXME("parent not implemented.\n");
enc->magic = 0x44434e45;
enc->version = 0;
enc->module = module;
enc->buf = 0;
enc->size = 0;
enc->len = 0;
enc->err = ASN1_SUCCESS;
enc->bit = 0;
enc->pos = 0;
enc->cbExtraHeader = 0;
enc->eRule = module->eRule;
enc->dwFlags = module->dwFlags;
if (buf && bufsize)
{
enc->buf = buf;
enc->pos = buf;
enc->size = bufsize;
enc->dwFlags |= ASN1ENCODE_SETBUFFER;
}
*encoder = enc;
return ASN1_SUCCESS;
}
void WINAPI ASN1_CloseEncoder(ASN1encoding_t encoder)
{
FIXME("(%p): Stub!\n", encoder);
}
ASN1error_e WINAPI ASN1_CreateDecoder(ASN1module_t module, ASN1decoding_t *decoder, ASN1octet_t *buf,
ASN1uint32_t bufsize, ASN1decoding_t parent)
{
ASN1decoding_t dec;
TRACE("(%p %p %p %u %p)\n", module, decoder, buf, bufsize, parent);
if (!module || !decoder)
return ASN1_ERR_BADARGS;
dec = heap_alloc(sizeof(*dec));
if (!dec)
{
return ASN1_ERR_MEMORY;
}
if (parent)
FIXME("parent not implemented.\n");
dec->magic = 0x44434544;
dec->version = 0;
dec->module = module;
dec->buf = 0;
dec->size = bufsize;
dec->len = 0;
dec->err = ASN1_SUCCESS;
dec->bit = 0;
dec->pos = 0;
dec->eRule = module->eRule;
dec->dwFlags = module->dwFlags;
if (buf)
{
dec->buf = buf;
dec->pos = buf;
dec->dwFlags |= ASN1DECODE_SETBUFFER;
}
*decoder = dec;
return ASN1_SUCCESS;
}
void WINAPI ASN1_CloseDecoder(ASN1decoding_t decoder)
{
FIXME("(%p): Stub!\n", decoder);
}
ASN1error_e WINAPI ASN1_Decode(ASN1decoding_t decoder, void **outdata, ASN1uint32_t pdunum,
ASN1uint32_t flags, ASN1octet_t *buf, ASN1uint32_t bufsize)
{
FIXME("(%p %p %u %08x %p %u): Stub!\n", decoder, outdata, pdunum, flags, buf, bufsize);
if (!decoder)
return ASN1_ERR_BADARGS;
if (!buf || !bufsize)
{
decoder->err = ASN1_ERR_BADARGS;
return ASN1_ERR_BADARGS;
}
decoder->err = ASN1_ERR_BADPDU;
return ASN1_ERR_BADPDU;
}