mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-08-15 01:03:23 +00:00
1072 lines
33 KiB
OpenEdge ABL
1072 lines
33 KiB
OpenEdge ABL
/*
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* interface.i: unbound python module
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*/
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%module unboundmodule
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%{
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/**
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* \file
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* This is the interface between the unbound server and a python module
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* called to perform operations on queries.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <stdarg.h>
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#include "config.h"
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#include "util/log.h"
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#include "util/module.h"
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#include "util/netevent.h"
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#include "util/regional.h"
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#include "util/config_file.h"
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#include "util/data/msgreply.h"
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#include "util/data/packed_rrset.h"
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#include "util/data/dname.h"
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#include "util/storage/lruhash.h"
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#include "services/cache/dns.h"
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#include "services/mesh.h"
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#include "iterator/iter_delegpt.h"
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#include "iterator/iter_hints.h"
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#include "iterator/iter_utils.h"
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#include "sldns/wire2str.h"
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#include "sldns/str2wire.h"
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#include "sldns/pkthdr.h"
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%}
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%include "stdint.i" // uint_16_t can be known type now
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%inline %{
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//converts [len][data][len][data][0] string to a List of labels (PyBytes)
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PyObject* GetNameAsLabelList(const char* name, int len) {
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PyObject* list;
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int cnt=0, i;
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i = 0;
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while (i < len) {
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i += name[i] + 1;
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cnt++;
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}
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list = PyList_New(cnt);
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i = 0; cnt = 0;
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while (i < len) {
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PyList_SetItem(list, cnt, PyBytes_FromStringAndSize(name + i + 1, name[i]));
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i += name[i] + 1;
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cnt++;
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}
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return list;
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}
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%}
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/* ************************************************************************************ *
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Structure query_info
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* ************************************************************************************ */
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/* Query info */
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%ignore query_info::qname;
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%ignore query_info::qname_len;
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struct query_info {
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%immutable;
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char* qname;
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size_t qname_len;
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uint16_t qtype;
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uint16_t qclass;
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%mutable;
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};
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%inline %{
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enum enum_rr_class {
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RR_CLASS_IN = 1,
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RR_CLASS_CH = 3,
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RR_CLASS_HS = 4,
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RR_CLASS_NONE = 254,
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RR_CLASS_ANY = 255,
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};
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enum enum_rr_type {
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RR_TYPE_A = 1,
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RR_TYPE_NS = 2,
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RR_TYPE_MD = 3,
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RR_TYPE_MF = 4,
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RR_TYPE_CNAME = 5,
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RR_TYPE_SOA = 6,
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RR_TYPE_MB = 7,
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RR_TYPE_MG = 8,
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RR_TYPE_MR = 9,
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RR_TYPE_NULL = 10,
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RR_TYPE_WKS = 11,
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RR_TYPE_PTR = 12,
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RR_TYPE_HINFO = 13,
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RR_TYPE_MINFO = 14,
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RR_TYPE_MX = 15,
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RR_TYPE_TXT = 16,
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RR_TYPE_RP = 17,
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RR_TYPE_AFSDB = 18,
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RR_TYPE_X25 = 19,
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RR_TYPE_ISDN = 20,
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RR_TYPE_RT = 21,
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RR_TYPE_NSAP = 22,
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RR_TYPE_NSAP_PTR = 23,
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RR_TYPE_SIG = 24,
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RR_TYPE_KEY = 25,
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RR_TYPE_PX = 26,
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RR_TYPE_GPOS = 27,
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RR_TYPE_AAAA = 28,
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RR_TYPE_LOC = 29,
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RR_TYPE_NXT = 30,
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RR_TYPE_EID = 31,
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RR_TYPE_NIMLOC = 32,
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RR_TYPE_SRV = 33,
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RR_TYPE_ATMA = 34,
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RR_TYPE_NAPTR = 35,
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RR_TYPE_KX = 36,
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RR_TYPE_CERT = 37,
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RR_TYPE_A6 = 38,
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RR_TYPE_DNAME = 39,
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RR_TYPE_SINK = 40,
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RR_TYPE_OPT = 41,
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RR_TYPE_APL = 42,
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RR_TYPE_DS = 43,
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RR_TYPE_SSHFP = 44,
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RR_TYPE_IPSECKEY = 45,
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RR_TYPE_RRSIG = 46,
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RR_TYPE_NSEC = 47,
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RR_TYPE_DNSKEY = 48,
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RR_TYPE_DHCID = 49,
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RR_TYPE_NSEC3 = 50,
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RR_TYPE_NSEC3PARAMS = 51,
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RR_TYPE_UINFO = 100,
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RR_TYPE_UID = 101,
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RR_TYPE_GID = 102,
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RR_TYPE_UNSPEC = 103,
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RR_TYPE_TSIG = 250,
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RR_TYPE_IXFR = 251,
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RR_TYPE_AXFR = 252,
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RR_TYPE_MAILB = 253,
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RR_TYPE_MAILA = 254,
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RR_TYPE_ANY = 255,
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RR_TYPE_DLV = 32769,
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};
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PyObject* _get_qname(struct query_info* q) {
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return PyBytes_FromStringAndSize((char*)q->qname, q->qname_len);
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}
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PyObject* _get_qname_components(struct query_info* q) {
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return GetNameAsLabelList((const char*)q->qname, q->qname_len);
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}
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%}
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%inline %{
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PyObject* dnameAsStr(const char* dname) {
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char buf[LDNS_MAX_DOMAINLEN+1];
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buf[0] = '\0';
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dname_str((uint8_t*)dname, buf);
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return PyBytes_FromString(buf);
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}
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%}
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%extend query_info {
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%pythoncode %{
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def _get_qtype_str(self): return sldns_wire2str_type(self.qtype)
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__swig_getmethods__["qtype_str"] = _get_qtype_str
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if _newclass:qtype_str = _swig_property(_get_qtype_str)
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def _get_qclass_str(self): return sldns_wire2str_class(self.qclass)
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__swig_getmethods__["qclass_str"] = _get_qclass_str
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if _newclass:qclass_str = _swig_property(_get_qclass_str)
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__swig_getmethods__["qname"] = _unboundmodule._get_qname
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if _newclass:qname = _swig_property(_unboundmodule._get_qname)
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__swig_getmethods__["qname_list"] = _unboundmodule._get_qname_components
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if _newclass:qname_list = _swig_property(_unboundmodule._get_qname_components)
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def _get_qname_str(self): return dnameAsStr(self.qname)
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__swig_getmethods__["qname_str"] = _get_qname_str
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if _newclass:qname_str = _swig_property(_get_qname_str)
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%}
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}
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/* ************************************************************************************ *
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Structure packed_rrset_key
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* ************************************************************************************ */
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%ignore packed_rrset_key::dname;
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%ignore packed_rrset_key::dname_len;
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/* RRsets */
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struct packed_rrset_key {
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%immutable;
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char* dname;
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size_t dname_len;
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uint32_t flags;
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uint16_t type; //rrset type in network format
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uint16_t rrset_class; //rrset class in network format
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%mutable;
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};
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//This subroutine converts values between the host and network byte order.
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//Specifically, ntohs() converts 16-bit quantities from network byte order to host byte order.
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uint16_t ntohs(uint16_t netshort);
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%inline %{
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PyObject* _get_dname(struct packed_rrset_key* k) {
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return PyBytes_FromStringAndSize((char*)k->dname, k->dname_len);
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}
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PyObject* _get_dname_components(struct packed_rrset_key* k) {
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return GetNameAsLabelList((char*)k->dname, k->dname_len);
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}
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%}
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%extend packed_rrset_key {
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%pythoncode %{
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def _get_type_str(self): return sldns_wire2str_type(_unboundmodule.ntohs(self.type))
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__swig_getmethods__["type_str"] = _get_type_str
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if _newclass:type_str = _swig_property(_get_type_str)
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def _get_class_str(self): return sldns_wire2str_class(_unboundmodule.ntohs(self.rrset_class))
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__swig_getmethods__["rrset_class_str"] = _get_class_str
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if _newclass:rrset_class_str = _swig_property(_get_class_str)
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__swig_getmethods__["dname"] = _unboundmodule._get_dname
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if _newclass:dname = _swig_property(_unboundmodule._get_dname)
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__swig_getmethods__["dname_list"] = _unboundmodule._get_dname_components
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if _newclass:dname_list = _swig_property(_unboundmodule._get_dname_components)
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def _get_dname_str(self): return dnameAsStr(self.dname)
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__swig_getmethods__["dname_str"] = _get_dname_str
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if _newclass:dname_str = _swig_property(_get_dname_str)
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%}
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}
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#if defined(SWIGWORDSIZE64)
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typedef long int rrset_id_t;
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#else
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typedef long long int rrset_id_t;
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#endif
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struct ub_packed_rrset_key {
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struct lruhash_entry entry;
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rrset_id_t id;
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struct packed_rrset_key rk;
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};
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struct lruhash_entry {
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lock_rw_t lock;
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struct lruhash_entry* overflow_next;
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struct lruhash_entry* lru_next;
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struct lruhash_entry* lru_prev;
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hashvalue_t hash;
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void* key;
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struct packed_rrset_data* data;
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};
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%ignore packed_rrset_data::rr_len;
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%ignore packed_rrset_data::rr_ttl;
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%ignore packed_rrset_data::rr_data;
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struct packed_rrset_data {
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uint32_t ttl; //TTL (in seconds like time())
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size_t count; //number of rrs
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size_t rrsig_count; //number of rrsigs
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enum rrset_trust trust;
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enum sec_status security;
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size_t* rr_len; //length of every rr's rdata
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uint32_t *rr_ttl; //ttl of every rr
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uint8_t** rr_data; //array of pointers to every rr's rdata; The rr_data[i] rdata is stored in uncompressed wireformat.
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};
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%pythoncode %{
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class RRSetData_RRLen:
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def __init__(self, obj): self.obj = obj
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def __getitem__(self, index): return _unboundmodule._get_data_rr_len(self.obj, index)
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def __len__(self): return obj.count + obj.rrsig_count
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class RRSetData_RRTTL:
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def __init__(self, obj): self.obj = obj
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def __getitem__(self, index): return _unboundmodule._get_data_rr_ttl(self.obj, index)
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def __setitem__(self, index, value): _unboundmodule._set_data_rr_ttl(self.obj, index, value)
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def __len__(self): return obj.count + obj.rrsig_count
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class RRSetData_RRData:
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def __init__(self, obj): self.obj = obj
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def __getitem__(self, index): return _unboundmodule._get_data_rr_data(self.obj, index)
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def __len__(self): return obj.count + obj.rrsig_count
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%}
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%inline %{
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PyObject* _get_data_rr_len(struct packed_rrset_data* d, int idx) {
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if ((d != NULL) && (idx >= 0) &&
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((size_t)idx < (d->count+d->rrsig_count)))
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return PyInt_FromLong(d->rr_len[idx]);
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return Py_None;
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}
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void _set_data_rr_ttl(struct packed_rrset_data* d, int idx, uint32_t ttl)
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{
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if ((d != NULL) && (idx >= 0) &&
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((size_t)idx < (d->count+d->rrsig_count)))
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d->rr_ttl[idx] = ttl;
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}
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PyObject* _get_data_rr_ttl(struct packed_rrset_data* d, int idx) {
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if ((d != NULL) && (idx >= 0) &&
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((size_t)idx < (d->count+d->rrsig_count)))
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return PyInt_FromLong(d->rr_ttl[idx]);
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return Py_None;
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}
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PyObject* _get_data_rr_data(struct packed_rrset_data* d, int idx) {
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if ((d != NULL) && (idx >= 0) &&
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((size_t)idx < (d->count+d->rrsig_count)))
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return PyBytes_FromStringAndSize((char*)d->rr_data[idx],
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d->rr_len[idx]);
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return Py_None;
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}
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%}
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%extend packed_rrset_data {
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%pythoncode %{
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def _get_data_rr_len(self): return RRSetData_RRLen(self)
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__swig_getmethods__["rr_len"] = _get_data_rr_len
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if _newclass:rr_len = _swig_property(_get_data_rr_len)
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def _get_data_rr_ttl(self): return RRSetData_RRTTL(self)
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__swig_getmethods__["rr_ttl"] =_get_data_rr_ttl
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if _newclass:rr_len = _swig_property(_get_data_rr_ttl)
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def _get_data_rr_data(self): return RRSetData_RRData(self)
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__swig_getmethods__["rr_data"] = _get_data_rr_data
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if _newclass:rr_len = _swig_property(_get_data_rr_data)
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%}
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}
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/* ************************************************************************************ *
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Structure reply_info
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* ************************************************************************************ */
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/* Messages */
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%ignore reply_info::rrsets;
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%ignore reply_info::ref;
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struct reply_info {
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uint16_t flags;
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uint16_t qdcount;
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uint32_t ttl;
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uint32_t prefetch_ttl;
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uint16_t authoritative;
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enum sec_status security;
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size_t an_numrrsets;
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size_t ns_numrrsets;
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size_t ar_numrrsets;
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size_t rrset_count; // an_numrrsets + ns_numrrsets + ar_numrrsets
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struct ub_packed_rrset_key** rrsets;
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struct rrset_ref ref[1]; //?
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};
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struct rrset_ref {
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struct ub_packed_rrset_key* key;
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rrset_id_t id;
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};
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struct dns_msg {
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struct query_info qinfo;
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struct reply_info *rep;
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};
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%pythoncode %{
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class ReplyInfo_RRSet:
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def __init__(self, obj): self.obj = obj
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def __getitem__(self, index): return _unboundmodule._rrset_rrsets_get(self.obj, index)
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def __len__(self): return obj.rrset_count
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class ReplyInfo_Ref:
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def __init__(self, obj): self.obj = obj
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def __getitem__(self, index): return _unboundmodule._rrset_ref_get(self.obj, index)
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def __len__(self): return obj.rrset_count
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%}
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%inline %{
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struct ub_packed_rrset_key* _rrset_rrsets_get(struct reply_info* r, int idx) {
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if ((r != NULL) && (idx >= 0) && ((size_t)idx < r->rrset_count))
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return r->rrsets[idx];
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return NULL;
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}
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struct rrset_ref* _rrset_ref_get(struct reply_info* r, int idx) {
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if ((r != NULL) && (idx >= 0) && ((size_t)idx < r->rrset_count)) {
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//printf("_rrset_ref_get: %lX key:%lX\n", r->ref + idx, r->ref[idx].key);
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return &(r->ref[idx]);
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// return &(r->ref[idx]);
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}
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//printf("_rrset_ref_get: NULL\n");
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return NULL;
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}
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%}
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%extend reply_info {
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%pythoncode %{
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def _rrset_ref_get(self): return ReplyInfo_Ref(self)
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__swig_getmethods__["ref"] = _rrset_ref_get
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if _newclass:ref = _swig_property(_rrset_ref_get)
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def _rrset_rrsets_get(self): return ReplyInfo_RRSet(self)
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__swig_getmethods__["rrsets"] = _rrset_rrsets_get
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if _newclass:rrsets = _swig_property(_rrset_rrsets_get)
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%}
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}
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/* ************************************************************************************ *
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Structure mesh_state
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* ************************************************************************************ */
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struct mesh_state {
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struct mesh_reply* reply_list;
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};
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struct mesh_reply {
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struct mesh_reply* next;
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struct comm_reply query_reply;
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};
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struct comm_reply {
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};
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%inline %{
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PyObject* _comm_reply_addr_get(struct comm_reply* reply) {
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char dest[64];
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reply_addr2str(reply, dest, 64);
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if (dest[0] == 0)
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return Py_None;
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return PyBytes_FromString(dest);
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}
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PyObject* _comm_reply_family_get(struct comm_reply* reply) {
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int af = (int)((struct sockaddr_in*) &(reply->addr))->sin_family;
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switch(af) {
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case AF_INET: return PyBytes_FromString("ip4");
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case AF_INET6: return PyBytes_FromString("ip6");
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case AF_UNIX: return PyBytes_FromString("unix");
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}
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return Py_None;
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}
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PyObject* _comm_reply_port_get(struct comm_reply* reply) {
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uint16_t port;
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port = ntohs(((struct sockaddr_in*)&(reply->addr))->sin_port);
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return PyInt_FromLong(port);
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}
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%}
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%extend comm_reply {
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%pythoncode %{
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def _addr_get(self): return _comm_reply_addr_get(self)
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__swig_getmethods__["addr"] = _addr_get
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if _newclass:addr = _swig_property(_addr_get)
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def _port_get(self): return _comm_reply_port_get(self)
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__swig_getmethods__["port"] = _port_get
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if _newclass:port = _swig_property(_port_get)
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|
|
def _family_get(self): return _comm_reply_family_get(self)
|
|
__swig_getmethods__["family"] = _family_get
|
|
if _newclass:family = _swig_property(_family_get)
|
|
%}
|
|
}
|
|
/* ************************************************************************************ *
|
|
Structure module_qstate
|
|
* ************************************************************************************ */
|
|
%ignore module_qstate::ext_state;
|
|
%ignore module_qstate::minfo;
|
|
|
|
/* Query state */
|
|
struct module_qstate {
|
|
struct query_info qinfo;
|
|
uint16_t query_flags; //See QF_BIT_xx constants
|
|
int is_priming;
|
|
|
|
struct comm_reply* reply;
|
|
struct dns_msg* return_msg;
|
|
int return_rcode;
|
|
struct regional* region; /* unwrapped */
|
|
|
|
int curmod;
|
|
|
|
enum module_ext_state ext_state[MAX_MODULE];
|
|
void* minfo[MAX_MODULE];
|
|
|
|
struct module_env* env; /* unwrapped */
|
|
struct mesh_state* mesh_info;
|
|
};
|
|
|
|
%constant int MODULE_COUNT = MAX_MODULE;
|
|
|
|
%constant int QF_BIT_CD = 0x0010;
|
|
%constant int QF_BIT_AD = 0x0020;
|
|
%constant int QF_BIT_Z = 0x0040;
|
|
%constant int QF_BIT_RA = 0x0080;
|
|
%constant int QF_BIT_RD = 0x0100;
|
|
%constant int QF_BIT_TC = 0x0200;
|
|
%constant int QF_BIT_AA = 0x0400;
|
|
%constant int QF_BIT_QR = 0x8000;
|
|
|
|
%inline %{
|
|
enum enum_return_rcode {
|
|
RCODE_NOERROR = 0,
|
|
RCODE_FORMERR = 1,
|
|
RCODE_SERVFAIL = 2,
|
|
RCODE_NXDOMAIN = 3,
|
|
RCODE_NOTIMPL = 4,
|
|
RCODE_REFUSED = 5,
|
|
RCODE_YXDOMAIN = 6,
|
|
RCODE_YXRRSET = 7,
|
|
RCODE_NXRRSET = 8,
|
|
RCODE_NOTAUTH = 9,
|
|
RCODE_NOTZONE = 10
|
|
};
|
|
%}
|
|
|
|
%pythoncode %{
|
|
class ExtState:
|
|
def __init__(self, obj): self.obj = obj
|
|
def __str__(self):
|
|
return ", ".join([_unboundmodule.strextstate(_unboundmodule._ext_state_get(self.obj,a)) for a in range(0, _unboundmodule.MODULE_COUNT)])
|
|
def __getitem__(self, index): return _unboundmodule._ext_state_get(self.obj, index)
|
|
def __setitem__(self, index, value): _unboundmodule._ext_state_set(self.obj, index, value)
|
|
def __len__(self): return _unboundmodule.MODULE_COUNT
|
|
%}
|
|
|
|
%inline %{
|
|
enum module_ext_state _ext_state_get(struct module_qstate* q, int idx) {
|
|
if ((q != NULL) && (idx >= 0) && (idx < MAX_MODULE)) {
|
|
return q->ext_state[idx];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void _ext_state_set(struct module_qstate* q, int idx, enum module_ext_state state) {
|
|
if ((q != NULL) && (idx >= 0) && (idx < MAX_MODULE)) {
|
|
q->ext_state[idx] = state;
|
|
}
|
|
}
|
|
%}
|
|
|
|
%extend module_qstate {
|
|
%pythoncode %{
|
|
def set_ext_state(self, id, state):
|
|
"""Sets the ext state"""
|
|
_unboundmodule._ext_state_set(self, id, state)
|
|
|
|
def __ext_state_get(self): return ExtState(self)
|
|
__swig_getmethods__["ext_state"] = __ext_state_get
|
|
if _newclass:ext_state = _swig_property(__ext_state_get)#, __ext_state_set)
|
|
%}
|
|
}
|
|
|
|
/* ************************************************************************************ *
|
|
Structure config_strlist
|
|
* ************************************************************************************ */
|
|
struct config_strlist {
|
|
struct config_strlist* next;
|
|
char* str;
|
|
};
|
|
|
|
/* ************************************************************************************ *
|
|
Structure config_str2list
|
|
* ************************************************************************************ */
|
|
struct config_str2list {
|
|
struct config_str2list* next;
|
|
char* str;
|
|
char* str2;
|
|
};
|
|
|
|
/* ************************************************************************************ *
|
|
Structure config_file
|
|
* ************************************************************************************ */
|
|
struct config_file {
|
|
int verbosity;
|
|
int stat_interval;
|
|
int stat_cumulative;
|
|
int stat_extended;
|
|
int num_threads;
|
|
int port;
|
|
int do_ip4;
|
|
int do_ip6;
|
|
int do_udp;
|
|
int do_tcp;
|
|
int outgoing_num_ports;
|
|
size_t outgoing_num_tcp;
|
|
size_t incoming_num_tcp;
|
|
int* outgoing_avail_ports;
|
|
size_t msg_buffer_size;
|
|
size_t msg_cache_size;
|
|
size_t msg_cache_slabs;
|
|
size_t num_queries_per_thread;
|
|
size_t jostle_time;
|
|
size_t rrset_cache_size;
|
|
size_t rrset_cache_slabs;
|
|
int host_ttl;
|
|
size_t infra_cache_slabs;
|
|
size_t infra_cache_numhosts;
|
|
char* target_fetch_policy;
|
|
int if_automatic;
|
|
int num_ifs;
|
|
char **ifs;
|
|
int num_out_ifs;
|
|
char **out_ifs;
|
|
struct config_strlist* root_hints;
|
|
struct config_stub* stubs;
|
|
struct config_stub* forwards;
|
|
struct config_strlist* donotqueryaddrs;
|
|
struct config_str2list* acls;
|
|
int donotquery_localhost;
|
|
int harden_short_bufsize;
|
|
int harden_large_queries;
|
|
int harden_glue;
|
|
int harden_dnssec_stripped;
|
|
int harden_referral_path;
|
|
int use_caps_bits_for_id;
|
|
struct config_strlist* private_address;
|
|
struct config_strlist* private_domain;
|
|
size_t unwanted_threshold;
|
|
char* chrootdir;
|
|
char* username;
|
|
char* directory;
|
|
char* logfile;
|
|
char* pidfile;
|
|
int use_syslog;
|
|
int hide_identity;
|
|
int hide_version;
|
|
char* identity;
|
|
char* version;
|
|
char* module_conf;
|
|
struct config_strlist* trust_anchor_file_list;
|
|
struct config_strlist* trust_anchor_list;
|
|
struct config_strlist* trusted_keys_file_list;
|
|
char* dlv_anchor_file;
|
|
struct config_strlist* dlv_anchor_list;
|
|
int max_ttl;
|
|
int32_t val_date_override;
|
|
int bogus_ttl;
|
|
int val_clean_additional;
|
|
int val_permissive_mode;
|
|
char* val_nsec3_key_iterations;
|
|
size_t key_cache_size;
|
|
size_t key_cache_slabs;
|
|
size_t neg_cache_size;
|
|
struct config_str2list* local_zones;
|
|
struct config_strlist* local_zones_nodefault;
|
|
struct config_strlist* local_data;
|
|
int remote_control_enable;
|
|
struct config_strlist* control_ifs;
|
|
int control_port;
|
|
char* server_key_file;
|
|
char* server_cert_file;
|
|
char* control_key_file;
|
|
char* control_cert_file;
|
|
int do_daemonize;
|
|
char* python_script;
|
|
};
|
|
|
|
/* ************************************************************************************ *
|
|
ASN: Adding structures related to forwards_lookup and dns_cache_find_delegation
|
|
* ************************************************************************************ */
|
|
struct delegpt_ns {
|
|
struct delegpt_ns* next;
|
|
int resolved;
|
|
uint8_t got4;
|
|
uint8_t got6;
|
|
uint8_t lame;
|
|
uint8_t done_pside4;
|
|
uint8_t done_pside6;
|
|
};
|
|
|
|
struct delegpt_addr {
|
|
struct delegpt_addr* next_result;
|
|
struct delegpt_addr* next_usable;
|
|
struct delegpt_addr* next_target;
|
|
int attempts;
|
|
int sel_rtt;
|
|
int bogus;
|
|
int lame;
|
|
};
|
|
|
|
struct delegpt {
|
|
int namelabs;
|
|
struct delegpt_ns* nslist;
|
|
struct delegpt_addr* target_list;
|
|
struct delegpt_addr* usable_list;
|
|
struct delegpt_addr* result_list;
|
|
int bogus;
|
|
uint8_t has_parent_side_NS;
|
|
uint8_t dp_type_mlc;
|
|
};
|
|
|
|
|
|
%inline %{
|
|
PyObject* _get_dp_dname(struct delegpt* dp) {
|
|
return PyBytes_FromStringAndSize((char*)dp->name, dp->namelen);
|
|
}
|
|
PyObject* _get_dp_dname_components(struct delegpt* dp) {
|
|
return GetNameAsLabelList((char*)dp->name, dp->namelen);
|
|
}
|
|
PyObject* _get_dpns_dname(struct delegpt_ns* dpns) {
|
|
return PyBytes_FromStringAndSize((char*)dpns->name, dpns->namelen);
|
|
}
|
|
PyObject* _get_dpns_dname_components(struct delegpt_ns* dpns) {
|
|
return GetNameAsLabelList((char*)dpns->name, dpns->namelen);
|
|
}
|
|
|
|
PyObject* _delegpt_addr_addr_get(struct delegpt_addr* target) {
|
|
char dest[64];
|
|
delegpt_addr_addr2str(target, dest, 64);
|
|
if (dest[0] == 0)
|
|
return Py_None;
|
|
return PyBytes_FromString(dest);
|
|
}
|
|
|
|
%}
|
|
|
|
%extend delegpt {
|
|
%pythoncode %{
|
|
__swig_getmethods__["dname"] = _unboundmodule._get_dp_dname
|
|
if _newclass:dname = _swig_property(_unboundmodule._get_dp_dname)
|
|
|
|
__swig_getmethods__["dname_list"] = _unboundmodule._get_dp_dname_components
|
|
if _newclass:dname_list = _swig_property(_unboundmodule._get_dp_dname_components)
|
|
|
|
def _get_dname_str(self): return dnameAsStr(self.dname)
|
|
__swig_getmethods__["dname_str"] = _get_dname_str
|
|
if _newclass:dname_str = _swig_property(_get_dname_str)
|
|
%}
|
|
}
|
|
%extend delegpt_ns {
|
|
%pythoncode %{
|
|
__swig_getmethods__["dname"] = _unboundmodule._get_dpns_dname
|
|
if _newclass:dname = _swig_property(_unboundmodule._get_dpns_dname)
|
|
|
|
__swig_getmethods__["dname_list"] = _unboundmodule._get_dpns_dname_components
|
|
if _newclass:dname_list = _swig_property(_unboundmodule._get_dpns_dname_components)
|
|
|
|
def _get_dname_str(self): return dnameAsStr(self.dname)
|
|
__swig_getmethods__["dname_str"] = _get_dname_str
|
|
if _newclass:dname_str = _swig_property(_get_dname_str)
|
|
%}
|
|
}
|
|
%extend delegpt_addr {
|
|
%pythoncode %{
|
|
def _addr_get(self): return _delegpt_addr_addr_get(self)
|
|
__swig_getmethods__["addr"] = _addr_get
|
|
if _newclass:addr = _swig_property(_addr_get)
|
|
%}
|
|
}
|
|
|
|
/* ************************************************************************************ *
|
|
Enums
|
|
* ************************************************************************************ */
|
|
%rename ("MODULE_STATE_INITIAL") "module_state_initial";
|
|
%rename ("MODULE_WAIT_REPLY") "module_wait_reply";
|
|
%rename ("MODULE_WAIT_MODULE") "module_wait_module";
|
|
%rename ("MODULE_WAIT_SUBQUERY") "module_wait_subquery";
|
|
%rename ("MODULE_ERROR") "module_error";
|
|
%rename ("MODULE_FINISHED") "module_finished";
|
|
|
|
enum module_ext_state {
|
|
module_state_initial = 0,
|
|
module_wait_reply,
|
|
module_wait_module,
|
|
module_wait_subquery,
|
|
module_error,
|
|
module_finished
|
|
};
|
|
|
|
%rename ("MODULE_EVENT_NEW") "module_event_new";
|
|
%rename ("MODULE_EVENT_PASS") "module_event_pass";
|
|
%rename ("MODULE_EVENT_REPLY") "module_event_reply";
|
|
%rename ("MODULE_EVENT_NOREPLY") "module_event_noreply";
|
|
%rename ("MODULE_EVENT_CAPSFAIL") "module_event_capsfail";
|
|
%rename ("MODULE_EVENT_MODDONE") "module_event_moddone";
|
|
%rename ("MODULE_EVENT_ERROR") "module_event_error";
|
|
|
|
enum module_ev {
|
|
module_event_new = 0,
|
|
module_event_pass,
|
|
module_event_reply,
|
|
module_event_noreply,
|
|
module_event_capsfail,
|
|
module_event_moddone,
|
|
module_event_error
|
|
};
|
|
|
|
enum sec_status {
|
|
sec_status_unchecked = 0,
|
|
sec_status_bogus,
|
|
sec_status_indeterminate,
|
|
sec_status_insecure,
|
|
sec_status_secure
|
|
};
|
|
|
|
enum verbosity_value {
|
|
NO_VERBOSE = 0,
|
|
VERB_OPS,
|
|
VERB_DETAIL,
|
|
VERB_QUERY,
|
|
VERB_ALGO
|
|
};
|
|
|
|
%constant uint16_t PKT_QR = 1; /* QueRy - query flag */
|
|
%constant uint16_t PKT_AA = 2; /* Authoritative Answer - server flag */
|
|
%constant uint16_t PKT_TC = 4; /* TrunCated - server flag */
|
|
%constant uint16_t PKT_RD = 8; /* Recursion Desired - query flag */
|
|
%constant uint16_t PKT_CD = 16; /* Checking Disabled - query flag */
|
|
%constant uint16_t PKT_RA = 32; /* Recursion Available - server flag */
|
|
%constant uint16_t PKT_AD = 64; /* Authenticated Data - server flag */
|
|
|
|
%{
|
|
int checkList(PyObject *l)
|
|
{
|
|
PyObject* item;
|
|
int i;
|
|
|
|
if (l == Py_None)
|
|
return 1;
|
|
|
|
if (PyList_Check(l))
|
|
{
|
|
for (i=0; i < PyList_Size(l); i++)
|
|
{
|
|
item = PyList_GetItem(l, i);
|
|
if (!PyBytes_Check(item))
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int pushRRList(sldns_buffer* qb, PyObject *l, uint32_t default_ttl, int qsec,
|
|
size_t count_offset)
|
|
{
|
|
PyObject* item;
|
|
int i;
|
|
size_t len;
|
|
|
|
for (i=0; i < PyList_Size(l); i++)
|
|
{
|
|
item = PyList_GetItem(l, i);
|
|
|
|
len = sldns_buffer_remaining(qb);
|
|
if(qsec) {
|
|
if(sldns_str2wire_rr_question_buf(PyBytes_AsString(item),
|
|
sldns_buffer_current(qb), &len, NULL, NULL, 0, NULL, 0)
|
|
!= 0)
|
|
return 0;
|
|
} else {
|
|
if(sldns_str2wire_rr_buf(PyBytes_AsString(item),
|
|
sldns_buffer_current(qb), &len, NULL, default_ttl,
|
|
NULL, 0, NULL, 0) != 0)
|
|
return 0;
|
|
}
|
|
sldns_buffer_skip(qb, len);
|
|
|
|
sldns_buffer_write_u16_at(qb, count_offset,
|
|
sldns_buffer_read_u16_at(qb, count_offset)+1);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int set_return_msg(struct module_qstate* qstate,
|
|
const char* rr_name, sldns_rr_type rr_type, sldns_rr_class rr_class , uint16_t flags, uint32_t default_ttl,
|
|
PyObject* question, PyObject* answer, PyObject* authority, PyObject* additional)
|
|
{
|
|
sldns_buffer *qb = 0;
|
|
int res = 1;
|
|
size_t l;
|
|
uint16_t PKT_QR = 1;
|
|
uint16_t PKT_AA = 2;
|
|
uint16_t PKT_TC = 4;
|
|
uint16_t PKT_RD = 8;
|
|
uint16_t PKT_CD = 16;
|
|
uint16_t PKT_RA = 32;
|
|
uint16_t PKT_AD = 64;
|
|
|
|
if ((!checkList(question)) || (!checkList(answer)) || (!checkList(authority)) || (!checkList(additional)))
|
|
return 0;
|
|
if ((qb = sldns_buffer_new(LDNS_RR_BUF_SIZE)) == 0) return 0;
|
|
|
|
/* write header */
|
|
sldns_buffer_write_u16(qb, 0); /* ID */
|
|
sldns_buffer_write_u16(qb, 0); /* flags */
|
|
sldns_buffer_write_u16(qb, 1); /* qdcount */
|
|
sldns_buffer_write_u16(qb, 0); /* ancount */
|
|
sldns_buffer_write_u16(qb, 0); /* nscount */
|
|
sldns_buffer_write_u16(qb, 0); /* arcount */
|
|
if ((flags&PKT_QR)) LDNS_QR_SET(sldns_buffer_begin(qb));
|
|
if ((flags&PKT_AA)) LDNS_AA_SET(sldns_buffer_begin(qb));
|
|
if ((flags&PKT_TC)) LDNS_TC_SET(sldns_buffer_begin(qb));
|
|
if ((flags&PKT_RD)) LDNS_RD_SET(sldns_buffer_begin(qb));
|
|
if ((flags&PKT_CD)) LDNS_CD_SET(sldns_buffer_begin(qb));
|
|
if ((flags&PKT_RA)) LDNS_RA_SET(sldns_buffer_begin(qb));
|
|
if ((flags&PKT_AD)) LDNS_AD_SET(sldns_buffer_begin(qb));
|
|
|
|
/* write the query */
|
|
l = sldns_buffer_remaining(qb);
|
|
if(sldns_str2wire_dname_buf(rr_name, sldns_buffer_current(qb), &l) != 0) {
|
|
sldns_buffer_free(qb);
|
|
return 0;
|
|
}
|
|
sldns_buffer_skip(qb, l);
|
|
if (rr_type == 0) { rr_type = LDNS_RR_TYPE_A; }
|
|
if (rr_class == 0) { rr_class = LDNS_RR_CLASS_IN; }
|
|
sldns_buffer_write_u16(qb, rr_type);
|
|
sldns_buffer_write_u16(qb, rr_class);
|
|
|
|
/* write RR sections */
|
|
if(res && !pushRRList(qb, question, default_ttl, 1, LDNS_QDCOUNT_OFF))
|
|
res = 0;
|
|
if(res && !pushRRList(qb, answer, default_ttl, 0, LDNS_ANCOUNT_OFF))
|
|
res = 0;
|
|
if(res && !pushRRList(qb, authority, default_ttl, 0, LDNS_NSCOUNT_OFF))
|
|
res = 0;
|
|
if(res && !pushRRList(qb, additional, default_ttl, 0, LDNS_ARCOUNT_OFF))
|
|
res = 0;
|
|
|
|
if (res) res = createResponse(qstate, qb);
|
|
|
|
if (qb) sldns_buffer_free(qb);
|
|
return res;
|
|
}
|
|
%}
|
|
|
|
int set_return_msg(struct module_qstate* qstate,
|
|
const char* rr_name, int rr_type, int rr_class , uint16_t flags, uint32_t default_ttl,
|
|
PyObject* question, PyObject* answer, PyObject* authority, PyObject* additional);
|
|
|
|
%pythoncode %{
|
|
class DNSMessage:
|
|
def __init__(self, rr_name, rr_type, rr_class = RR_CLASS_IN, query_flags = 0, default_ttl = 0):
|
|
"""Query flags is a combination of PKT_xx contants"""
|
|
self.rr_name = rr_name
|
|
self.rr_type = rr_type
|
|
self.rr_class = rr_class
|
|
self.default_ttl = default_ttl
|
|
self.query_flags = query_flags
|
|
self.question = []
|
|
self.answer = []
|
|
self.authority = []
|
|
self.additional = []
|
|
|
|
def set_return_msg(self, qstate):
|
|
"""Returns 1 if OK"""
|
|
status = _unboundmodule.set_return_msg(qstate, self.rr_name, self.rr_type, self.rr_class,
|
|
self.query_flags, self.default_ttl,
|
|
self.question, self.answer, self.authority, self.additional)
|
|
|
|
if (status) and (PKT_AA & self.query_flags):
|
|
qstate.return_msg.rep.authoritative = 1
|
|
|
|
return status
|
|
|
|
%}
|
|
/* ************************************************************************************ *
|
|
ASN: Delegation pointer related functions
|
|
* ************************************************************************************ */
|
|
|
|
/* Functions which we will need to lookup delegations */
|
|
struct delegpt* dns_cache_find_delegation(struct module_env* env,
|
|
uint8_t* qname, size_t qnamelen, uint16_t qtype, uint16_t qclass,
|
|
struct regional* region, struct dns_msg** msg, uint32_t timenow);
|
|
int iter_dp_is_useless(struct query_info* qinfo, uint16_t qflags,
|
|
struct delegpt* dp);
|
|
struct iter_hints_stub* hints_lookup_stub(struct iter_hints* hints,
|
|
uint8_t* qname, uint16_t qclass, struct delegpt* dp);
|
|
|
|
/* Custom function to perform logic similar to the one in daemon/cachedump.c */
|
|
struct delegpt* find_delegation(struct module_qstate* qstate, char *nm, size_t nmlen);
|
|
|
|
%{
|
|
#define BIT_RD 0x100
|
|
|
|
struct delegpt* find_delegation(struct module_qstate* qstate, char *nm, size_t nmlen)
|
|
{
|
|
struct delegpt *dp;
|
|
struct dns_msg *msg = NULL;
|
|
struct regional* region = qstate->env->scratch;
|
|
char b[260];
|
|
struct query_info qinfo;
|
|
struct iter_hints_stub* stub;
|
|
uint32_t timenow = *qstate->env->now;
|
|
|
|
regional_free_all(region);
|
|
qinfo.qname = (uint8_t*)nm;
|
|
qinfo.qname_len = nmlen;
|
|
qinfo.qtype = LDNS_RR_TYPE_A;
|
|
qinfo.qclass = LDNS_RR_CLASS_IN;
|
|
|
|
while(1) {
|
|
dp = dns_cache_find_delegation(qstate->env, (uint8_t*)nm, nmlen, qinfo.qtype, qinfo.qclass, region, &msg, timenow);
|
|
if(!dp)
|
|
return NULL;
|
|
if(iter_dp_is_useless(&qinfo, BIT_RD, dp)) {
|
|
if (dname_is_root((uint8_t*)nm))
|
|
return NULL;
|
|
nm = (char*)dp->name;
|
|
nmlen = dp->namelen;
|
|
dname_remove_label((uint8_t**)&nm, &nmlen);
|
|
dname_str((uint8_t*)nm, b);
|
|
continue;
|
|
}
|
|
stub = hints_lookup_stub(qstate->env->hints, qinfo.qname, qinfo.qclass, dp);
|
|
if (stub) {
|
|
return stub->dp;
|
|
} else {
|
|
return dp;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
%}
|
|
|
|
/* ************************************************************************************ *
|
|
Functions
|
|
* ************************************************************************************ */
|
|
|
|
// Various debuging functions
|
|
void verbose(enum verbosity_value level, const char* format, ...);
|
|
void log_info(const char* format, ...);
|
|
void log_err(const char* format, ...);
|
|
void log_warn(const char* format, ...);
|
|
void log_hex(const char* msg, void* data, size_t length);
|
|
void log_dns_msg(const char* str, struct query_info* qinfo, struct reply_info* rep);
|
|
void log_query_info(enum verbosity_value v, const char* str, struct query_info* qinf);
|
|
void regional_log_stats(struct regional *r);
|
|
|
|
// Free allocated memory from marked sources returning corresponding types
|
|
%typemap(newfree, noblock = 1) char * {
|
|
free($1);
|
|
}
|
|
|
|
// Mark as source returning newly allocated memory
|
|
%newobject sldns_wire2str_type;
|
|
%newobject sldns_wire2str_class;
|
|
|
|
// LDNS functions
|
|
char *sldns_wire2str_type(const uint16_t atype);
|
|
char *sldns_wire2str_class(const uint16_t aclass);
|
|
|
|
// Functions from pythonmod_utils
|
|
int storeQueryInCache(struct module_qstate* qstate, struct query_info* qinfo, struct reply_info* msgrep, int is_referral);
|
|
void invalidateQueryInCache(struct module_qstate* qstate, struct query_info* qinfo);
|
|
|
|
// Module conversion functions
|
|
const char* strextstate(enum module_ext_state s);
|
|
const char* strmodulevent(enum module_ev e);
|
|
|