static enum proto_parse_status tns_parse_close_statement(struct cursor *cursor)
{
SLOG(LOG_DEBUG, "Parsing a close statement");
// Subcode
DROP_FIX(cursor, 1);
// Sequence
DROP_FIX(cursor, 1);
// Pointer
DROP_FIX(cursor, 1);
// We seek the next query
uint8_t marker[2] = {0x03, 0x5e};
if (cursor_drop_until(cursor, marker, sizeof(marker), cursor->cap_len) < 0) return PROTO_PARSE_ERR;
SLOG(LOG_DEBUG, "Found a possible query ttc, exiting close statement");
return PROTO_OK;
}
static enum proto_parse_status tns_parse_login_property(struct sql_proto_info *info, struct cursor *cursor)
{
SLOG(LOG_DEBUG, "Parsing tns login property");
// We are only interested in response
if (info->is_query) return PROTO_OK;
if (info->msg_type != SQL_UNKNOWN && info->msg_type != SQL_STARTUP) return PROTO_PARSE_ERR;
// Drop Server version
DROP_FIX(cursor, 3);
// Drop Server version text
uint8_t marker = 0x00;
enum proto_parse_status status = cursor_drop_until(cursor, &marker, sizeof(marker));
if (status != PROTO_OK) return status;
// Drop Null byte
DROP_FIX(cursor, 1);
CHECK(2);
uint16_t charset = cursor_read_u16le(cursor);
SLOG(LOG_DEBUG, "Found a charset of 0x%02x", charset);
switch (charset) {
case 0x01:
case 0x02:
case 0x1f:
case 0xb2:
sql_set_encoding(info, SQL_ENCODING_LATIN1);
break;
case 0x366:
case 0x367:
case 0x369:
sql_set_encoding(info, SQL_ENCODING_UTF8);
break;
default:
SLOG(LOG_DEBUG, "Unknown charset");
break;
}
// We don't care of the rest...
cursor_drop(cursor, cursor->cap_len);
return PROTO_OK;
}
