void SODParser::ParseSodEncapsulatedContent(const CByteArray & contents){
ASN1_ITEM xLev0Item;
ASN1_ITEM xLev1Item;
ASN1_ITEM xLev2Item;
ASN1_ITEM xLev3Item;
ASN1_ITEM xLev4Item;
xLev0Item.p_data = (unsigned char*)contents.GetBytes();
xLev0Item.l_data = contents.Size();
if ((asn1_next_item(&xLev0Item, &xLev1Item)!= 0) ||(xLev1Item.tag != ASN_SEQUENCE))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
if ((xLev1Item.l_data < 2)|| (asn1_next_item(&xLev1Item, &xLev2Item)!= 0) ||(xLev2Item.tag != ASN_INTEGER))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
if (bin2int(xLev2Item.p_data, xLev2Item.l_data)!=0)
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_VALUE);
if ((xLev1Item.l_data < 2)|| (asn1_next_item(&xLev1Item, &xLev2Item)!= 0) ||(xLev2Item.tag != ASN_SEQUENCE))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
if ((xLev2Item.l_data < 2)|| (asn1_next_item(&xLev2Item, &xLev3Item)!= 0) ||(xLev3Item.tag != ASN_OID))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
// martinho: not the intended way, but for now it will do just fine.
if (memcmp(xLev3Item.p_data, OID_SHA256_ALGORITHM, xLev3Item.l_data) != 0)
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ALGO_OID);
if ((xLev2Item.l_data < 2)|| (asn1_next_item(&xLev2Item, &xLev3Item)!= 0) ||(xLev3Item.tag != ASN_NULL))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
if ((xLev1Item.l_data < 2)|| (asn1_next_item(&xLev1Item, &xLev2Item)!= 0) ||(xLev2Item.tag != ASN_SEQUENCE))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
attr = new SODAttributes();
int i=0;
while(xLev2Item.l_data > 0){
if ((xLev2Item.l_data < 2)|| (asn1_next_item(&xLev2Item, &xLev3Item)!= 0) ||(xLev3Item.tag != ASN_SEQUENCE))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
if ((xLev3Item.l_data < 2)|| (asn1_next_item(&xLev3Item, &xLev4Item)!= 0) ||(xLev4Item.tag != ASN_INTEGER))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
if (bin2int(xLev4Item.p_data, xLev4Item.l_data)!=(i+1))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_VALUE);
if ((xLev3Item.l_data < 2)|| (asn1_next_item(&xLev3Item, &xLev4Item)!= 0) ||(xLev4Item.tag != ASN_OCTET_STRING))
throw CMWEXCEPTION(EIDMW_SOD_UNEXPECTED_ASN1_TAG);
attr->hashes[i].Append(xLev4Item.p_data,xLev4Item.l_data);
i++;
}
}
static plist_t profile_get_embedded_plist(plist_t profile)
{
if (plist_get_node_type(profile) != PLIST_DATA) {
fprintf(stderr, "%s: unexpected plist node type for profile (PLIST_DATA expected)\n", __FUNCTION__);
return NULL;
}
char* bbuf = NULL;
uint64_t blen = 0;
plist_get_data_val(profile, &bbuf, &blen);
if (!bbuf) {
fprintf(stderr, "%s: could not get data value from plist node\n", __FUNCTION__);
return NULL;
}
unsigned char* pp = (unsigned char*)bbuf;
if (*pp != ASN1_SEQUENCE) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (0)\n", __FUNCTION__);
return NULL;
}
uint16_t slen = asn1_item_get_size(pp);
if (slen+4 != (uint16_t)blen) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (1)\n", __FUNCTION__);
return NULL;
}
asn1_next_item(&pp);
if (*pp != ASN1_OBJECT_IDENTIFIER) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (2)\n", __FUNCTION__);
return NULL;
}
asn1_skip_item(&pp);
if (*pp != ASN1_CONTAINER) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (3)\n", __FUNCTION__);
return NULL;
}
asn1_next_item(&pp);
if (*pp != ASN1_SEQUENCE) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (4)\n", __FUNCTION__);
return NULL;
}
asn1_next_item(&pp);
int k = 0;
// go to the 3rd element (skip 2)
while (k < 2) {
asn1_skip_item(&pp);
k++;
}
if (*pp != ASN1_SEQUENCE) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (5)\n", __FUNCTION__);
return NULL;
}
asn1_next_item(&pp);
if (*pp != ASN1_OBJECT_IDENTIFIER) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (6)\n", __FUNCTION__);
return NULL;
}
asn1_skip_item(&pp);
if (*pp != ASN1_CONTAINER) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (7)\n", __FUNCTION__);
return NULL;
}
asn1_next_item(&pp);
if (*pp != ASN1_OCTET_STRING) {
free(bbuf);
fprintf(stderr, "%s: unexpected profile data (8)\n", __FUNCTION__);
return NULL;
}
slen = asn1_item_get_size(pp);
asn1_next_item(&pp);
plist_t pl = NULL;
plist_from_xml((char*)pp, slen, &pl);
free(bbuf);
return pl;
}