/*!
* Decodes an Encoded-string-value from the protocol data
* Encoded-string-value = Text-string | Value-length Char-set Text-string
*
* \param tvb The buffer with PDU-data
* \param offset Offset within that buffer
* \param strval Pointer to variable into which to put pointer to
* buffer allocated to hold the text; must be freed
* when no longer used
*
* \return The length in bytes of the entire field
*/
static guint
get_encoded_strval(tvbuff_t *tvb, guint offset, const char **strval)
{
guint field;
guint length;
guint count;
field = tvb_get_guint8(tvb, offset);
if (field < 32) {
length = get_value_length(tvb, offset, &count);
if (length < 2) {
*strval = "";
} else {
/* \todo Something with "Char-set", skip for now */
*strval = (char *)tvb_get_string(wmem_packet_scope(), tvb, offset + count + 1, length - 1);
}
return count + length;
} else
return get_text_string(tvb, offset, strval);
}
char* winapi_read_var(int scope, char* name)
{
HKEY hKey;
int lRet = open_variables_key(scope, &hKey);
DWORD buffer_size = get_value_length(hKey, name)+1;
char* value_buf = malloc(buffer_size);
value_buf[0]=0; // null terminate in case query
// doesn't return anything
RegQueryValueEx(hKey,
name,
0,
NULL,
value_buf,
&buffer_size);
RegCloseKey(hKey);
return value_buf;
};
static void
decode_ie(nsip_ie_t *ie, build_info_t *bi) {
int org_offset = bi->offset;
if (tvb_length_remaining(bi->tvb, bi->offset) < 1) {
return;
}
switch (ie->format) {
case NSIP_IE_FORMAT_TLV:
if (!check_correct_iei(ie, bi)) {
return;
}
bi->offset++; /* Account for type */
ie->total_length = 1;
get_value_length(ie, bi);
break;
case NSIP_IE_FORMAT_TV:
if (!check_correct_iei(ie, bi)) {
return;
}
bi->offset++; /* Account for type */
ie->value_length = ie->total_length - 1;
break;
case NSIP_IE_FORMAT_V:
ie->value_length = ie->total_length;
default:
;
}
switch (ie->iei) {
case NSIP_IE_CAUSE:
decode_iei_cause(ie, bi, org_offset);
break;
case NSIP_IE_NS_VCI:
decode_iei_ns_vci(ie, bi, org_offset);
break;
case NSIP_IE_NS_PDU:
decode_iei_ns_pdu(ie, bi, org_offset);
break;
case NSIP_IE_NSEI:
decode_iei_nsei(ie, bi, org_offset);
break;
case NSIP_IE_BVCI:
decode_iei_bvci(ie, bi, org_offset);
break;
case NSIP_IE_IP4_ELEMENTS:
decode_ip_elements(&ipv4_element, ie, bi, org_offset);
break;
case NSIP_IE_IP6_ELEMENTS:
decode_ip_elements(&ipv6_element, ie, bi, org_offset);
break;
case NSIP_IE_MAX_NUM_NS_VC:
decode_iei_max_num_ns_vc(ie, bi, org_offset);
break;
case NSIP_IE_NUM_IP4_ENDPOINTS:
decode_iei_num_ip4_endpoints(ie, bi, org_offset);
break;
case NSIP_IE_NUM_IP6_ENDPOINTS:
decode_iei_num_ip6_endpoints(ie, bi, org_offset);
break;
case NSIP_IE_RESET_FLAG:
decode_iei_reset_flag(ie, bi, org_offset);
break;
case NSIP_IE_IP_ADDRESS:
decode_iei_ip_address(ie, bi, org_offset);
break;
default:
;
}
}
