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-rw-r--r--usr.sbin/unbound/pythonmod/LICENSE28
-rw-r--r--usr.sbin/unbound/pythonmod/Makefile58
-rw-r--r--usr.sbin/unbound/pythonmod/interface.i889
-rw-r--r--usr.sbin/unbound/pythonmod/pythonmod.c383
-rw-r--r--usr.sbin/unbound/pythonmod/pythonmod.h68
-rw-r--r--usr.sbin/unbound/pythonmod/pythonmod_utils.c177
-rw-r--r--usr.sbin/unbound/pythonmod/pythonmod_utils.h89
-rw-r--r--usr.sbin/unbound/pythonmod/test-calc.conf18
-rw-r--r--usr.sbin/unbound/pythonmod/test-dict.conf18
-rw-r--r--usr.sbin/unbound/pythonmod/test-log.conf17
-rw-r--r--usr.sbin/unbound/pythonmod/test-resgen.conf18
-rw-r--r--usr.sbin/unbound/pythonmod/test-resip.conf18
-rw-r--r--usr.sbin/unbound/pythonmod/test-resmod.conf19
-rw-r--r--usr.sbin/unbound/pythonmod/ubmodule-msg.py156
-rw-r--r--usr.sbin/unbound/pythonmod/ubmodule-tst.py149
15 files changed, 2105 insertions, 0 deletions
diff --git a/usr.sbin/unbound/pythonmod/LICENSE b/usr.sbin/unbound/pythonmod/LICENSE
new file mode 100644
index 00000000000..7b769d09120
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/LICENSE
@@ -0,0 +1,28 @@
+Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the name of the organization nor the names of its
+ contributors may be used to endorse or promote products derived from this
+ software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
diff --git a/usr.sbin/unbound/pythonmod/Makefile b/usr.sbin/unbound/pythonmod/Makefile
new file mode 100644
index 00000000000..2a00152418a
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/Makefile
@@ -0,0 +1,58 @@
+# Makefile: tests unbound python module (please edit SCRIPT variable)
+#
+# Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+# Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+#
+# This software is open source.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# * Neither the name of the organization nor the names of its
+# contributors may be used to endorse or promote products derived from this
+# software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+SUEXEC = sudo
+UNBOUND = ../unbound
+SCRIPT = ./test-resip.conf
+
+UNBOUND_OPTS = -dv -c $(SCRIPT)
+
+.PHONY: test sudo suexec doc
+
+all: test
+
+$(UNBOUND):
+ make -C ..
+
+test: $(UNBOUND)
+ $(UNBOUND) $(UNBOUND_OPTS)
+
+sudo: $(UNBOUND)
+ sudo $(UNBOUND) $(UNBOUND_OPTS)
+
+suexec: $(UNBOUND)
+ su -c "$(UNBOUND) $(UNBOUND_OPTS)"
+
+doc:
+ $(MAKE) -C doc html
diff --git a/usr.sbin/unbound/pythonmod/interface.i b/usr.sbin/unbound/pythonmod/interface.i
new file mode 100644
index 00000000000..903563658b0
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/interface.i
@@ -0,0 +1,889 @@
+/*
+ * interface.i: unbound python module
+ */
+
+%module unboundmodule
+%{
+/**
+ * \file
+ * This is the interface between the unbound server and a python module
+ * called to perform operations on queries.
+ */
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netinet/in.h>
+ #include <arpa/inet.h>
+ #include <stdarg.h>
+ #include "config.h"
+ #include "util/log.h"
+ #include "util/module.h"
+ #include "util/netevent.h"
+ #include "util/regional.h"
+ #include "util/config_file.h"
+ #include "util/data/msgreply.h"
+ #include "util/data/packed_rrset.h"
+ #include "util/data/dname.h"
+ #include "util/storage/lruhash.h"
+ #include "services/cache/dns.h"
+ #include "services/mesh.h"
+%}
+
+%include "stdint.i" // uint_16_t can be known type now
+
+%inline %{
+ //converts [len][data][len][data][0] string to a List of labels (PyStrings)
+ PyObject* GetNameAsLabelList(const char* name, int len) {
+ PyObject* list;
+ int cnt=0, i;
+
+ i = 0;
+ while (i < len) {
+ i += name[i] + 1;
+ cnt++;
+ }
+
+ list = PyList_New(cnt);
+ i = 0; cnt = 0;
+ while (i < len) {
+ PyList_SetItem(list, cnt, PyString_FromStringAndSize(name + i + 1, name[i]));
+ i += name[i] + 1;
+ cnt++;
+ }
+ return list;
+ }
+%}
+
+/* ************************************************************************************ *
+ Structure query_info
+ * ************************************************************************************ */
+/* Query info */
+%ignore query_info::qname;
+%ignore query_info::qname_len;
+
+
+struct query_info {
+ %immutable;
+ char* qname;
+ size_t qname_len;
+ uint16_t qtype;
+ uint16_t qclass;
+ %mutable;
+};
+
+%inline %{
+ enum enum_rr_class {
+ RR_CLASS_IN = 1,
+ RR_CLASS_CH = 3,
+ RR_CLASS_HS = 4,
+ RR_CLASS_NONE = 254,
+ RR_CLASS_ANY = 255,
+ };
+
+ enum enum_rr_type {
+ RR_TYPE_A = 1,
+ RR_TYPE_NS = 2,
+ RR_TYPE_MD = 3,
+ RR_TYPE_MF = 4,
+ RR_TYPE_CNAME = 5,
+ RR_TYPE_SOA = 6,
+ RR_TYPE_MB = 7,
+ RR_TYPE_MG = 8,
+ RR_TYPE_MR = 9,
+ RR_TYPE_NULL = 10,
+ RR_TYPE_WKS = 11,
+ RR_TYPE_PTR = 12,
+ RR_TYPE_HINFO = 13,
+ RR_TYPE_MINFO = 14,
+ RR_TYPE_MX = 15,
+ RR_TYPE_TXT = 16,
+ RR_TYPE_RP = 17,
+ RR_TYPE_AFSDB = 18,
+ RR_TYPE_X25 = 19,
+ RR_TYPE_ISDN = 20,
+ RR_TYPE_RT = 21,
+ RR_TYPE_NSAP = 22,
+ RR_TYPE_NSAP_PTR = 23,
+ RR_TYPE_SIG = 24,
+ RR_TYPE_KEY = 25,
+ RR_TYPE_PX = 26,
+ RR_TYPE_GPOS = 27,
+ RR_TYPE_AAAA = 28,
+ RR_TYPE_LOC = 29,
+ RR_TYPE_NXT = 30,
+ RR_TYPE_EID = 31,
+ RR_TYPE_NIMLOC = 32,
+ RR_TYPE_SRV = 33,
+ RR_TYPE_ATMA = 34,
+ RR_TYPE_NAPTR = 35,
+ RR_TYPE_KX = 36,
+ RR_TYPE_CERT = 37,
+ RR_TYPE_A6 = 38,
+ RR_TYPE_DNAME = 39,
+ RR_TYPE_SINK = 40,
+ RR_TYPE_OPT = 41,
+ RR_TYPE_APL = 42,
+ RR_TYPE_DS = 43,
+ RR_TYPE_SSHFP = 44,
+ RR_TYPE_IPSECKEY = 45,
+ RR_TYPE_RRSIG = 46,
+ RR_TYPE_NSEC = 47,
+ RR_TYPE_DNSKEY = 48,
+ RR_TYPE_DHCID = 49,
+ RR_TYPE_NSEC3 = 50,
+ RR_TYPE_NSEC3PARAMS = 51,
+ RR_TYPE_UINFO = 100,
+ RR_TYPE_UID = 101,
+ RR_TYPE_GID = 102,
+ RR_TYPE_UNSPEC = 103,
+ RR_TYPE_TSIG = 250,
+ RR_TYPE_IXFR = 251,
+ RR_TYPE_AXFR = 252,
+ RR_TYPE_MAILB = 253,
+ RR_TYPE_MAILA = 254,
+ RR_TYPE_ANY = 255,
+ RR_TYPE_DLV = 32769,
+ };
+
+ PyObject* _get_qname(struct query_info* q) {
+ return PyString_FromStringAndSize((char*)q->qname, q->qname_len);
+ }
+
+ PyObject* _get_qname_components(struct query_info* q) {
+ return GetNameAsLabelList((const char*)q->qname, q->qname_len);
+ }
+%}
+
+%inline %{
+ PyObject* dnameAsStr(const char* dname) {
+ char buf[LDNS_MAX_DOMAINLEN+1];
+ buf[0] = '\0';
+ dname_str((uint8_t*)dname, buf);
+ return PyString_FromString(buf);
+ }
+%}
+
+%extend query_info {
+ %pythoncode %{
+ def _get_qtype_str(self): return ldns_rr_type2str(self.qtype)
+ __swig_getmethods__["qtype_str"] = _get_qtype_str
+ if _newclass:qtype_str = _swig_property(_get_qtype_str)
+
+ def _get_qclass_str(self): return ldns_rr_class2str(self.qclass)
+ __swig_getmethods__["qclass_str"] = _get_qclass_str
+ if _newclass:qclass_str = _swig_property(_get_qclass_str)
+
+ __swig_getmethods__["qname"] = _unboundmodule._get_qname
+ if _newclass:qname = _swig_property(_unboundmodule._get_qname)
+
+ __swig_getmethods__["qname_list"] = _unboundmodule._get_qname_components
+ if _newclass:qname_list = _swig_property(_unboundmodule._get_qname_components)
+
+ def _get_qname_str(self): return dnameAsStr(self.qname)
+ __swig_getmethods__["qname_str"] = _get_qname_str
+ if _newclass:qname_str = _swig_property(_get_qname_str)
+ %}
+}
+
+/* ************************************************************************************ *
+ Structure packed_rrset_key
+ * ************************************************************************************ */
+%ignore packed_rrset_key::dname;
+%ignore packed_rrset_key::dname_len;
+
+/* RRsets */
+struct packed_rrset_key {
+ %immutable;
+ char* dname;
+ size_t dname_len;
+ uint32_t flags;
+ uint16_t type; //rrset type in network format
+ uint16_t rrset_class; //rrset class in network format
+ %mutable;
+};
+
+//This subroutine converts values between the host and network byte order.
+//Specifically, ntohs() converts 16-bit quantities from network byte order to host byte order.
+uint16_t ntohs(uint16_t netshort);
+
+%inline %{
+ PyObject* _get_dname(struct packed_rrset_key* k) {
+ return PyString_FromStringAndSize((char*)k->dname, k->dname_len);
+ }
+ PyObject* _get_dname_components(struct packed_rrset_key* k) {
+ return GetNameAsLabelList((char*)k->dname, k->dname_len);
+ }
+%}
+
+%extend packed_rrset_key {
+ %pythoncode %{
+ def _get_type_str(self): return ldns_rr_type2str(_unboundmodule.ntohs(self.type))
+ __swig_getmethods__["type_str"] = _get_type_str
+ if _newclass:type_str = _swig_property(_get_type_str)
+
+ def _get_class_str(self): return ldns_rr_class2str(_unboundmodule.ntohs(self.rrset_class))
+ __swig_getmethods__["rrset_class_str"] = _get_class_str
+ if _newclass:rrset_class_str = _swig_property(_get_class_str)
+
+ __swig_getmethods__["dname"] = _unboundmodule._get_dname
+ if _newclass:dname = _swig_property(_unboundmodule._get_dname)
+
+ __swig_getmethods__["dname_list"] = _unboundmodule._get_dname_components
+ if _newclass:dname_list = _swig_property(_unboundmodule._get_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)
+ %}
+}
+
+#if defined(SWIGWORDSIZE64)
+typedef long int rrset_id_t;
+#else
+typedef long long int rrset_id_t;
+#endif
+
+struct ub_packed_rrset_key {
+ struct lruhash_entry entry;
+ rrset_id_t id;
+ struct packed_rrset_key rk;
+};
+
+struct lruhash_entry {
+ lock_rw_t lock;
+ struct lruhash_entry* overflow_next;
+ struct lruhash_entry* lru_next;
+ struct lruhash_entry* lru_prev;
+ hashvalue_t hash;
+ void* key;
+ struct packed_rrset_data* data;
+};
+
+%ignore packed_rrset_data::rr_len;
+%ignore packed_rrset_data::rr_ttl;
+%ignore packed_rrset_data::rr_data;
+
+struct packed_rrset_data {
+ uint32_t ttl; //TTL (in seconds like time())
+
+ size_t count; //number of rrs
+ size_t rrsig_count; //number of rrsigs
+
+ enum rrset_trust trust;
+ enum sec_status security;
+
+ size_t* rr_len; //length of every rr's rdata
+ uint32_t *rr_ttl; //ttl of every rr
+ uint8_t** rr_data; //array of pointers to every rr's rdata; The rr_data[i] rdata is stored in uncompressed wireformat.
+};
+
+%pythoncode %{
+ class RRSetData_RRLen:
+ def __init__(self, obj): self.obj = obj
+ def __getitem__(self, index): return _unboundmodule._get_data_rr_len(self.obj, index)
+ def __len__(self): return obj.count + obj.rrsig_count
+ class RRSetData_RRTTL:
+ def __init__(self, obj): self.obj = obj
+ def __getitem__(self, index): return _unboundmodule._get_data_rr_ttl(self.obj, index)
+ def __setitem__(self, index, value): _unboundmodule._set_data_rr_ttl(self.obj, index, value)
+ def __len__(self): return obj.count + obj.rrsig_count
+ class RRSetData_RRData:
+ def __init__(self, obj): self.obj = obj
+ def __getitem__(self, index): return _unboundmodule._get_data_rr_data(self.obj, index)
+ def __len__(self): return obj.count + obj.rrsig_count
+%}
+
+%inline %{
+ PyObject* _get_data_rr_len(struct packed_rrset_data* d, int idx) {
+ if ((d != NULL) && (idx >= 0) &&
+ ((size_t)idx < (d->count+d->rrsig_count)))
+ return PyInt_FromLong(d->rr_len[idx]);
+ return Py_None;
+ }
+ void _set_data_rr_ttl(struct packed_rrset_data* d, int idx, uint32_t ttl)
+ {
+ if ((d != NULL) && (idx >= 0) &&
+ ((size_t)idx < (d->count+d->rrsig_count)))
+ d->rr_ttl[idx] = ttl;
+ }
+ PyObject* _get_data_rr_ttl(struct packed_rrset_data* d, int idx) {
+ if ((d != NULL) && (idx >= 0) &&
+ ((size_t)idx < (d->count+d->rrsig_count)))
+ return PyInt_FromLong(d->rr_ttl[idx]);
+ return Py_None;
+ }
+ PyObject* _get_data_rr_data(struct packed_rrset_data* d, int idx) {
+ if ((d != NULL) && (idx >= 0) &&
+ ((size_t)idx < (d->count+d->rrsig_count)))
+ return PyString_FromStringAndSize((char*)d->rr_data[idx],
+ d->rr_len[idx]);
+ return Py_None;
+ }
+%}
+
+%extend packed_rrset_data {
+ %pythoncode %{
+ def _get_data_rr_len(self): return RRSetData_RRLen(self)
+ __swig_getmethods__["rr_len"] = _get_data_rr_len
+ if _newclass:rr_len = _swig_property(_get_data_rr_len)
+ def _get_data_rr_ttl(self): return RRSetData_RRTTL(self)
+ __swig_getmethods__["rr_ttl"] =_get_data_rr_ttl
+ if _newclass:rr_len = _swig_property(_get_data_rr_ttl)
+ def _get_data_rr_data(self): return RRSetData_RRData(self)
+ __swig_getmethods__["rr_data"] = _get_data_rr_data
+ if _newclass:rr_len = _swig_property(_get_data_rr_data)
+ %}
+}
+
+/* ************************************************************************************ *
+ Structure reply_info
+ * ************************************************************************************ */
+/* Messages */
+%ignore reply_info::rrsets;
+%ignore reply_info::ref;
+
+struct reply_info {
+ uint16_t flags;
+ uint16_t qdcount;
+ uint32_t ttl;
+ uint32_t prefetch_ttl;
+
+ uint16_t authoritative;
+ enum sec_status security;
+
+ size_t an_numrrsets;
+ size_t ns_numrrsets;
+ size_t ar_numrrsets;
+ size_t rrset_count; // an_numrrsets + ns_numrrsets + ar_numrrsets
+
+ struct ub_packed_rrset_key** rrsets;
+ struct rrset_ref ref[1]; //?
+};
+
+struct rrset_ref {
+ struct ub_packed_rrset_key* key;
+ rrset_id_t id;
+};
+
+struct dns_msg {
+ struct query_info qinfo;
+ struct reply_info *rep;
+};
+
+%pythoncode %{
+ class ReplyInfo_RRSet:
+ def __init__(self, obj): self.obj = obj
+ def __getitem__(self, index): return _unboundmodule._rrset_rrsets_get(self.obj, index)
+ def __len__(self): return obj.rrset_count
+
+ class ReplyInfo_Ref:
+ def __init__(self, obj): self.obj = obj
+ def __getitem__(self, index): return _unboundmodule._rrset_ref_get(self.obj, index)
+ def __len__(self): return obj.rrset_count
+%}
+
+%inline %{
+ struct ub_packed_rrset_key* _rrset_rrsets_get(struct reply_info* r, int idx) {
+ if ((r != NULL) && (idx >= 0) && ((size_t)idx < r->rrset_count))
+ return r->rrsets[idx];
+ return NULL;
+ }
+
+ struct rrset_ref* _rrset_ref_get(struct reply_info* r, int idx) {
+ if ((r != NULL) && (idx >= 0) && ((size_t)idx < r->rrset_count)) {
+//printf("_rrset_ref_get: %lX key:%lX\n", r->ref + idx, r->ref[idx].key);
+ return &(r->ref[idx]);
+// return &(r->ref[idx]);
+ }
+//printf("_rrset_ref_get: NULL\n");
+ return NULL;
+ }
+%}
+
+%extend reply_info {
+ %pythoncode %{
+ def _rrset_ref_get(self): return ReplyInfo_Ref(self)
+ __swig_getmethods__["ref"] = _rrset_ref_get
+ if _newclass:ref = _swig_property(_rrset_ref_get)
+
+ def _rrset_rrsets_get(self): return ReplyInfo_RRSet(self)
+ __swig_getmethods__["rrsets"] = _rrset_rrsets_get
+ if _newclass:rrsets = _swig_property(_rrset_rrsets_get)
+ %}
+}
+
+/* ************************************************************************************ *
+ Structure mesh_state
+ * ************************************************************************************ */
+struct mesh_state {
+ struct mesh_reply* reply_list;
+};
+
+struct mesh_reply {
+ struct mesh_reply* next;
+ struct comm_reply query_reply;
+};
+
+struct comm_reply {
+
+};
+
+%inline %{
+
+ PyObject* _comm_reply_addr_get(struct comm_reply* reply) {
+ char dest[64];
+ reply_addr2str(reply, dest, 64);
+ if (dest[0] == 0)
+ return Py_None;
+ return PyString_FromString(dest);
+ }
+
+ PyObject* _comm_reply_family_get(struct comm_reply* reply) {
+
+ int af = (int)((struct sockaddr_in*) &(reply->addr))->sin_family;
+
+ switch(af) {
+ case AF_INET: return PyString_FromString("ip4");
+ case AF_INET6: return PyString_FromString("ip6");
+ case AF_UNIX: return PyString_FromString("unix");
+ }
+
+ return Py_None;
+ }
+
+ PyObject* _comm_reply_port_get(struct comm_reply* reply) {
+ uint16_t port;
+ port = ntohs(((struct sockaddr_in*)&(reply->addr))->sin_port);
+ return PyInt_FromLong(port);
+ }
+
+%}
+
+%extend comm_reply {
+ %pythoncode %{
+ def _addr_get(self): return _comm_reply_addr_get(self)
+ __swig_getmethods__["addr"] = _addr_get
+ if _newclass:addr = _swig_property(_addr_get)
+
+ def _port_get(self): return _comm_reply_port_get(self)
+ __swig_getmethods__["port"] = _port_get
+ if _newclass:port = _swig_property(_port_get)
+
+ 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;
+};
+
+/* ************************************************************************************ *
+ 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
+};
+
+%{
+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 (!PyString_Check(item))
+ return 0;
+ }
+ return 1;
+ }
+
+ return 0;
+}
+
+ldns_rr_list* createRRList(PyObject *l, uint32_t default_ttl)
+{
+ PyObject* item;
+ ldns_status status;
+ ldns_rr_list* rr_list;
+ ldns_rr* rr;
+ int i;
+
+ if (PyList_Size(l) == 0)
+ return NULL;
+
+ rr_list = ldns_rr_list_new();
+
+ for (i=0; i < PyList_Size(l); i++)
+ {
+ item = PyList_GetItem(l, i);
+
+ status = ldns_rr_new_frm_str(&rr, PyString_AsString(item), default_ttl, 0, 0);
+ if (status != LDNS_STATUS_OK)
+ continue;
+
+ if (!ldns_rr_list_push_rr(rr_list, rr))
+ continue;
+
+ }
+ return rr_list;
+}
+
+int set_return_msg(struct module_qstate* qstate,
+ const char* rr_name, ldns_rr_type rr_type, ldns_rr_class rr_class , uint16_t flags, uint32_t default_ttl,
+ PyObject* question, PyObject* answer, PyObject* authority, PyObject* additional)
+{
+ ldns_pkt* pkt = 0;
+ ldns_status status;
+ ldns_rr_list* rr_list = 0;
+ ldns_buffer *qb = 0;
+ int res = 1;
+
+ if ((!checkList(question)) || (!checkList(answer)) || (!checkList(authority)) || (!checkList(additional)))
+ return 0;
+
+ status = ldns_pkt_query_new_frm_str(&pkt, rr_name, rr_type, rr_class, flags);
+ if ((status != LDNS_STATUS_OK) || (pkt == 0))
+ return 0;
+
+ rr_list = createRRList(question, default_ttl);
+ if ((rr_list) && (res)) res = ldns_pkt_push_rr_list(pkt, LDNS_SECTION_QUESTION, rr_list);
+ ldns_rr_list_free(rr_list);
+ rr_list = createRRList(answer, default_ttl);
+ if ((rr_list) && (res)) res = ldns_pkt_push_rr_list(pkt, LDNS_SECTION_ANSWER, rr_list);
+ ldns_rr_list_free(rr_list);
+ rr_list = createRRList(authority, default_ttl);
+ if ((rr_list) && (res)) res = ldns_pkt_push_rr_list(pkt, LDNS_SECTION_AUTHORITY, rr_list);
+ ldns_rr_list_free(rr_list);
+ rr_list = createRRList(additional, default_ttl);
+ if ((rr_list) && (res)) res = ldns_pkt_push_rr_list(pkt, LDNS_SECTION_ADDITIONAL, rr_list);
+ ldns_rr_list_free(rr_list);
+
+ if ((res) && ((qb = ldns_buffer_new(LDNS_MIN_BUFLEN)) == 0)) res = 0;
+ if ((res) && (ldns_pkt2buffer_wire(qb, pkt) != LDNS_STATUS_OK)) res = 0;
+
+ if (res) res = createResponse(qstate, qb);
+
+ if (qb) ldns_buffer_free(qb);
+
+ ldns_pkt_free(pkt); //this function dealocates pkt as well as rrs
+ return res;
+}
+%}
+
+%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 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
+
+%}
+/* ************************************************************************************ *
+ 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 ldns_rr_type2str;
+%newobject ldns_rr_class2str;
+
+// LDNS functions
+char *ldns_rr_type2str(const uint16_t atype);
+char *ldns_rr_class2str(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);
+
diff --git a/usr.sbin/unbound/pythonmod/pythonmod.c b/usr.sbin/unbound/pythonmod/pythonmod.c
new file mode 100644
index 00000000000..9860d001d0e
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/pythonmod.c
@@ -0,0 +1,383 @@
+/*
+ * pythonmod.c: unbound module C wrapper
+ *
+ * Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ * Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the organization nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * \file
+ * Python module for unbound. Calls python script.
+ */
+
+/* ignore the varargs unused warning from SWIGs internal vararg support */
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+#include "config.h"
+#include <ldns/ldns.h>
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+#include <Python.h>
+
+#include "pythonmod/pythonmod.h"
+#include "util/module.h"
+#include "util/config_file.h"
+#include "pythonmod_utils.h"
+
+#ifdef S_SPLINT_S
+typedef struct PyObject PyObject;
+typedef struct PyThreadState PyThreadState;
+typedef void* PyGILState_STATE;
+#endif
+
+/**
+ * Global state for the module.
+ */
+struct pythonmod_env {
+
+ /** Python script filename. */
+ const char* fname;
+
+ /** Python main thread */
+ PyThreadState* mainthr;
+ /** Python module. */
+ PyObject* module;
+
+ /** Module init function */
+ PyObject* func_init;
+ /** Module deinit function */
+ PyObject* func_deinit;
+ /** Module operate function */
+ PyObject* func_operate;
+ /** Module super_inform function */
+ PyObject* func_inform;
+
+ /** Python dictionary. */
+ PyObject* dict;
+
+ /** Module data. */
+ PyObject* data;
+
+ /** Module qstate. */
+ struct module_qstate* qstate;
+};
+
+/**
+ * Per query state for the iterator module.
+ */
+struct pythonmod_qstate {
+
+ /** Module per query data. */
+ PyObject* data;
+};
+
+/* Generated */
+#ifndef S_SPLINT_S
+#include "pythonmod/interface.h"
+#endif
+
+int pythonmod_init(struct module_env* env, int id)
+{
+ /* Initialize module */
+ FILE* script_py = NULL;
+ PyObject* py_cfg, *res;
+ PyGILState_STATE gil;
+ struct pythonmod_env* pe = (struct pythonmod_env*)calloc(1, sizeof(struct pythonmod_env));
+ if (!pe)
+ {
+ log_err("pythonmod: malloc failure");
+ return 0;
+ }
+
+ env->modinfo[id] = (void*) pe;
+
+ /* Initialize module */
+ pe->fname = env->cfg->python_script;
+ if(pe->fname==NULL || pe->fname[0]==0) {
+ log_err("pythonmod: no script given.");
+ return 0;
+ }
+
+ /* Initialize Python libraries */
+ if (!Py_IsInitialized())
+ {
+ Py_SetProgramName("unbound");
+ Py_NoSiteFlag = 1;
+ Py_Initialize();
+ PyEval_InitThreads();
+ SWIG_init();
+ pe->mainthr = PyEval_SaveThread();
+ }
+
+ gil = PyGILState_Ensure();
+
+ /* Initialize Python */
+ PyRun_SimpleString("import sys \n");
+ PyRun_SimpleString("sys.path.append('.') \n");
+ if(env->cfg->directory && env->cfg->directory[0]) {
+ char wdir[1524];
+ snprintf(wdir, sizeof(wdir), "sys.path.append('%s') \n",
+ env->cfg->directory);
+ PyRun_SimpleString(wdir);
+ }
+ PyRun_SimpleString("sys.path.append('"RUN_DIR"') \n");
+ PyRun_SimpleString("sys.path.append('"SHARE_DIR"') \n");
+ PyRun_SimpleString("import distutils.sysconfig \n");
+ PyRun_SimpleString("sys.path.append(distutils.sysconfig.get_python_lib(1,0)) \n");
+ if (PyRun_SimpleString("from unboundmodule import *\n") < 0)
+ {
+ log_err("pythonmod: cannot initialize core module: unboundmodule.py");
+ PyGILState_Release(gil);
+ return 0;
+ }
+
+ /* Check Python file load */
+ if ((script_py = fopen(pe->fname, "r")) == NULL)
+ {
+ log_err("pythonmod: can't open file %s for reading", pe->fname);
+ PyGILState_Release(gil);
+ return 0;
+ }
+
+ /* Load file */
+ pe->module = PyImport_AddModule("__main__");
+ pe->dict = PyModule_GetDict(pe->module);
+ pe->data = Py_None;
+ Py_INCREF(pe->data);
+ PyModule_AddObject(pe->module, "mod_env", pe->data);
+
+ /* TODO: deallocation of pe->... if an error occurs */
+
+ if (PyRun_SimpleFile(script_py, pe->fname) < 0)
+ {
+ log_err("pythonmod: can't parse Python script %s", pe->fname);
+ PyGILState_Release(gil);
+ return 0;
+ }
+
+ fclose(script_py);
+
+ if ((pe->func_init = PyDict_GetItemString(pe->dict, "init")) == NULL)
+ {
+ log_err("pythonmod: function init is missing in %s", pe->fname);
+ PyGILState_Release(gil);
+ return 0;
+ }
+ if ((pe->func_deinit = PyDict_GetItemString(pe->dict, "deinit")) == NULL)
+ {
+ log_err("pythonmod: function deinit is missing in %s", pe->fname);
+ PyGILState_Release(gil);
+ return 0;
+ }
+ if ((pe->func_operate = PyDict_GetItemString(pe->dict, "operate")) == NULL)
+ {
+ log_err("pythonmod: function operate is missing in %s", pe->fname);
+ PyGILState_Release(gil);
+ return 0;
+ }
+ if ((pe->func_inform = PyDict_GetItemString(pe->dict, "inform_super")) == NULL)
+ {
+ log_err("pythonmod: function inform_super is missing in %s", pe->fname);
+ PyGILState_Release(gil);
+ return 0;
+ }
+
+ py_cfg = SWIG_NewPointerObj((void*) env->cfg, SWIGTYPE_p_config_file, 0);
+ res = PyObject_CallFunction(pe->func_init, "iO", id, py_cfg);
+ if (PyErr_Occurred())
+ {
+ log_err("pythonmod: Exception occurred in function init");
+ PyErr_Print();
+ }
+
+ Py_XDECREF(res);
+ Py_XDECREF(py_cfg);
+ PyGILState_Release(gil);
+
+ return 1;
+}
+
+void pythonmod_deinit(struct module_env* env, int id)
+{
+ struct pythonmod_env* pe = env->modinfo[id];
+ if(pe == NULL)
+ return;
+
+ /* Free Python resources */
+ if(pe->module != NULL)
+ {
+ PyObject* res;
+ PyGILState_STATE gil = PyGILState_Ensure();
+
+ /* Deinit module */
+ res = PyObject_CallFunction(pe->func_deinit, "i", id);
+ if (PyErr_Occurred()) {
+ log_err("pythonmod: Exception occurred in function deinit");
+ PyErr_Print();
+ }
+ /* Free result if any */
+ Py_XDECREF(res);
+ /* Free shared data if any */
+ Py_XDECREF(pe->data);
+ PyGILState_Release(gil);
+
+ PyEval_RestoreThread(pe->mainthr);
+ Py_Finalize();
+ pe->mainthr = NULL;
+ }
+ pe->fname = NULL;
+ free(pe);
+
+ /* Module is deallocated in Python */
+ env->modinfo[id] = NULL;
+}
+
+void pythonmod_inform_super(struct module_qstate* qstate, int id, struct module_qstate* super)
+{
+ struct pythonmod_env* pe = (struct pythonmod_env*)qstate->env->modinfo[id];
+ struct pythonmod_qstate* pq = (struct pythonmod_qstate*)qstate->minfo[id];
+ PyObject* py_qstate, *py_sqstate, *res;
+ PyGILState_STATE gil = PyGILState_Ensure();
+
+ log_query_info(VERB_ALGO, "pythonmod: inform_super, sub is", &qstate->qinfo);
+ log_query_info(VERB_ALGO, "super is", &super->qinfo);
+
+ py_qstate = SWIG_NewPointerObj((void*) qstate, SWIGTYPE_p_module_qstate, 0);
+ py_sqstate = SWIG_NewPointerObj((void*) super, SWIGTYPE_p_module_qstate, 0);
+
+ res = PyObject_CallFunction(pe->func_inform, "iOOO", id, py_qstate,
+ py_sqstate, pq->data);
+
+ if (PyErr_Occurred())
+ {
+ log_err("pythonmod: Exception occurred in function inform_super");
+ PyErr_Print();
+ qstate->ext_state[id] = module_error;
+ }
+ else if ((res == NULL) || (!PyObject_IsTrue(res)))
+ {
+ log_err("pythonmod: python returned bad code in inform_super");
+ qstate->ext_state[id] = module_error;
+ }
+
+ Py_XDECREF(res);
+ Py_XDECREF(py_sqstate);
+ Py_XDECREF(py_qstate);
+
+ PyGILState_Release(gil);
+}
+
+void pythonmod_operate(struct module_qstate* qstate, enum module_ev event,
+ int id, struct outbound_entry* ATTR_UNUSED(outbound))
+{
+ struct pythonmod_env* pe = (struct pythonmod_env*)qstate->env->modinfo[id];
+ struct pythonmod_qstate* pq = (struct pythonmod_qstate*)qstate->minfo[id];
+ PyObject* py_qstate, *res;
+ PyGILState_STATE gil = PyGILState_Ensure();
+
+ if ( pq == NULL)
+ {
+ /* create qstate */
+ pq = qstate->minfo[id] = malloc(sizeof(struct pythonmod_qstate));
+
+ /* Initialize per query data */
+ pq->data = Py_None;
+ Py_INCREF(pq->data);
+ }
+
+ /* Call operate */
+ py_qstate = SWIG_NewPointerObj((void*) qstate, SWIGTYPE_p_module_qstate, 0);
+ res = PyObject_CallFunction(pe->func_operate, "iiOO", id, (int) event,
+ py_qstate, pq->data);
+ if (PyErr_Occurred())
+ {
+ log_err("pythonmod: Exception occurred in function operate, event: %s", strmodulevent(event));
+ PyErr_Print();
+ qstate->ext_state[id] = module_error;
+ }
+ else if ((res == NULL) || (!PyObject_IsTrue(res)))
+ {
+ log_err("pythonmod: python returned bad code, event: %s", strmodulevent(event));
+ qstate->ext_state[id] = module_error;
+ }
+ Py_XDECREF(res);
+ Py_XDECREF(py_qstate);
+
+ PyGILState_Release(gil);
+}
+
+void pythonmod_clear(struct module_qstate* qstate, int id)
+{
+ struct pythonmod_qstate* pq;
+ if (qstate == NULL)
+ return;
+
+ pq = (struct pythonmod_qstate*)qstate->minfo[id];
+ verbose(VERB_ALGO, "pythonmod: clear, id: %d, pq:%lX", id,
+ (unsigned long int)pq);
+ if(pq != NULL)
+ {
+ PyGILState_STATE gil = PyGILState_Ensure();
+ Py_DECREF(pq->data);
+ PyGILState_Release(gil);
+ /* Free qstate */
+ free(pq);
+ }
+
+ qstate->minfo[id] = NULL;
+}
+
+size_t pythonmod_get_mem(struct module_env* env, int id)
+{
+ struct pythonmod_env* pe = (struct pythonmod_env*)env->modinfo[id];
+ verbose(VERB_ALGO, "pythonmod: get_mem, id: %d, pe:%lX", id,
+ (unsigned long int)pe);
+ if(!pe)
+ return 0;
+ return sizeof(*pe);
+}
+
+/**
+ * The module function block
+ */
+static struct module_func_block pythonmod_block = {
+ "python",
+ &pythonmod_init, &pythonmod_deinit, &pythonmod_operate, &pythonmod_inform_super,
+ &pythonmod_clear, &pythonmod_get_mem
+};
+
+struct module_func_block* pythonmod_get_funcblock(void)
+{
+ return &pythonmod_block;
+}
diff --git a/usr.sbin/unbound/pythonmod/pythonmod.h b/usr.sbin/unbound/pythonmod/pythonmod.h
new file mode 100644
index 00000000000..b108cf9234c
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/pythonmod.h
@@ -0,0 +1,68 @@
+/*
+ * pythonmod.h: module header file
+ *
+ * Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ * Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the organization nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * \file
+ * Python module for unbound. Calls python script.
+ */
+#ifndef PYTHONMOD_H
+#define PYTHONMOD_H
+#include "util/module.h"
+#include "services/outbound_list.h"
+
+/**
+ * Get the module function block.
+ * @return: function block with function pointers to module methods.
+ */
+struct module_func_block* pythonmod_get_funcblock(void);
+
+/** python module init */
+int pythonmod_init(struct module_env* env, int id);
+
+/** python module deinit */
+void pythonmod_deinit(struct module_env* env, int id);
+
+/** python module operate on a query */
+void pythonmod_operate(struct module_qstate* qstate, enum module_ev event, int id, struct outbound_entry* outbound);
+
+/** python module */
+void pythonmod_inform_super(struct module_qstate* qstate, int id, struct module_qstate* super);
+
+/** python module cleanup query state */
+void pythonmod_clear(struct module_qstate* qstate, int id);
+
+/** python module alloc size routine */
+size_t pythonmod_get_mem(struct module_env* env, int id);
+#endif /* PYTHONMOD_H */
diff --git a/usr.sbin/unbound/pythonmod/pythonmod_utils.c b/usr.sbin/unbound/pythonmod/pythonmod_utils.c
new file mode 100644
index 00000000000..52cfad0a6f9
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/pythonmod_utils.c
@@ -0,0 +1,177 @@
+/*
+ * pythonmod_utils.c: utilities used by wrapper
+ *
+ * Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ * Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the organization nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * \file
+ * Utility functions for the python module that perform stores and loads and
+ * conversions.
+ */
+#include "config.h"
+#include "util/module.h"
+#include "util/netevent.h"
+#include "util/net_help.h"
+#include "services/cache/dns.h"
+#include "services/cache/rrset.h"
+#include "util/data/msgparse.h"
+#include "util/data/msgreply.h"
+#include "util/storage/slabhash.h"
+#include "util/regional.h"
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+#include <Python.h>
+
+/* Store the reply_info and query_info pair in message cache (qstate->msg_cache) */
+int storeQueryInCache(struct module_qstate* qstate, struct query_info* qinfo, struct reply_info* msgrep, int is_referral)
+{
+ if (!msgrep)
+ return 0;
+
+ if (msgrep->authoritative) /*authoritative answer can't be stored in cache*/
+ {
+ PyErr_SetString(PyExc_ValueError, "Authoritative answer can't be stored");
+ return 0;
+ }
+
+ return dns_cache_store(qstate->env, qinfo, msgrep, is_referral,
+ qstate->prefetch_leeway, NULL);
+}
+
+/* Invalidate the message associated with query_info stored in message cache */
+void invalidateQueryInCache(struct module_qstate* qstate, struct query_info* qinfo)
+{
+ hashvalue_t h;
+ struct lruhash_entry* e;
+ struct reply_info *r;
+ size_t i, j;
+
+ h = query_info_hash(qinfo);
+ if ((e=slabhash_lookup(qstate->env->msg_cache, h, qinfo, 0)))
+ {
+ r = (struct reply_info*)(e->data);
+ if (r)
+ {
+ r->ttl = 0;
+ if(rrset_array_lock(r->ref, r->rrset_count, *qstate->env->now)) {
+ for(i=0; i< r->rrset_count; i++)
+ {
+ struct packed_rrset_data* data =
+ (struct packed_rrset_data*) r->ref[i].key->entry.data;
+ if(i>0 && r->ref[i].key == r->ref[i-1].key)
+ continue;
+
+ data->ttl = r->ttl;
+ for(j=0; j<data->count + data->rrsig_count; j++)
+ data->rr_ttl[j] = r->ttl;
+ }
+ rrset_array_unlock(r->ref, r->rrset_count);
+ }
+ }
+ lock_rw_unlock(&e->lock);
+ } else {
+ log_info("invalidateQueryInCache: qinfo is not in cache");
+ }
+}
+
+/* Create response according to the ldns packet content */
+int createResponse(struct module_qstate* qstate, ldns_buffer* pkt)
+{
+ struct msg_parse* prs;
+ struct edns_data edns;
+
+ /* parse message */
+ prs = (struct msg_parse*) regional_alloc(qstate->env->scratch, sizeof(struct msg_parse));
+ if (!prs) {
+ log_err("storeResponse: out of memory on incoming message");
+ return 0;
+ }
+
+ memset(prs, 0, sizeof(*prs));
+ memset(&edns, 0, sizeof(edns));
+
+ ldns_buffer_set_position(pkt, 0);
+ if (parse_packet(pkt, prs, qstate->env->scratch) != LDNS_RCODE_NOERROR) {
+ verbose(VERB_ALGO, "storeResponse: parse error on reply packet");
+ return 0;
+ }
+ /* edns is not examined, but removed from message to help cache */
+ if(parse_extract_edns(prs, &edns) != LDNS_RCODE_NOERROR)
+ return 0;
+
+ /* remove CD-bit, we asked for in case we handle validation ourself */
+ prs->flags &= ~BIT_CD;
+
+ /* allocate response dns_msg in region */
+ qstate->return_msg = (struct dns_msg*)regional_alloc(qstate->region, sizeof(struct dns_msg));
+ if (!qstate->return_msg)
+ return 0;
+
+ memset(qstate->return_msg, 0, sizeof(*qstate->return_msg));
+ if(!parse_create_msg(pkt, prs, NULL, &(qstate->return_msg)->qinfo, &(qstate->return_msg)->rep, qstate->region)) {
+ log_err("storeResponse: malloc failure: allocating incoming dns_msg");
+ return 0;
+ }
+
+ /* Make sure that the RA flag is set (since the presence of
+ * this module means that recursion is available) */
+ /* qstate->return_msg->rep->flags |= BIT_RA; */
+
+ /* Clear the AA flag */
+ /* FIXME: does this action go here or in some other module? */
+ /*qstate->return_msg->rep->flags &= ~BIT_AA; */
+
+ /* make sure QR flag is on */
+ /*qstate->return_msg->rep->flags |= BIT_QR; */
+
+ if(verbosity >= VERB_ALGO)
+ log_dns_msg("storeResponse: packet:", &qstate->return_msg->qinfo, qstate->return_msg->rep);
+
+ return 1;
+}
+
+
+/* Convert reply->addr to string */
+void reply_addr2str(struct comm_reply* reply, char* dest, int maxlen)
+{
+ int af = (int)((struct sockaddr_in*) &(reply->addr))->sin_family;
+ void* sinaddr = &((struct sockaddr_in*) &(reply->addr))->sin_addr;
+
+ if(af == AF_INET6)
+ sinaddr = &((struct sockaddr_in6*)&(reply->addr))->sin6_addr;
+ dest[0] = 0;
+ if (inet_ntop(af, sinaddr, dest, (socklen_t)maxlen) == 0)
+ return;
+ dest[maxlen-1] = 0;
+}
diff --git a/usr.sbin/unbound/pythonmod/pythonmod_utils.h b/usr.sbin/unbound/pythonmod/pythonmod_utils.h
new file mode 100644
index 00000000000..a1641d30858
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/pythonmod_utils.h
@@ -0,0 +1,89 @@
+/*
+ * pythonmod_utils.h: utils header file
+ *
+ * Copyright (c) 2009, Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ * Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+ *
+ * This software is open source.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * * Neither the name of the organization nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+ * \file
+ * Utility functions for the python module that perform stores and loads and
+ * conversions.
+ */
+#ifndef PYTHONMOD_UTILS_H
+#define PYTHONMOD_UTILS_H
+
+#include "util/module.h"
+
+/**
+ * Store the reply_info and query_info pair in message cache (qstate->msg_cache)
+ *
+ * @param qstate: module environment
+ * @param qinfo: query info, the query for which answer is stored.
+ * @param msgrep: reply in dns_msg
+ * @param is_referral: If true, then the given message to be stored is a
+ * referral. The cache implementation may use this as a hint.
+ * It will store only the RRsets, not the message.
+ * @return 0 on alloc error (out of memory).
+ */
+int storeQueryInCache(struct module_qstate* qstate, struct query_info* qinfo, struct reply_info* msgrep, int is_referral);
+
+
+/**
+ * Invalidate the message associated with query_info stored in message cache.
+ *
+ * This function invalidates the record in message cache associated with the given query only if such a record exists.
+ *
+ * @param qstate: module environment
+ * @param qinfo: query info, the query for which answer is stored.
+ */
+void invalidateQueryInCache(struct module_qstate* qstate, struct query_info* qinfo);
+
+/**
+ * Create response according to the ldns packet content
+ *
+ * This function fills qstate.return_msg up with data of a given packet
+ *
+ * @param qstate: module environment
+ * @param pkt: a ldns_buffer which contains ldns_packet data
+ * @return 0 on failure, out of memory or parse error.
+ */
+int createResponse(struct module_qstate* qstate, ldns_buffer* pkt);
+
+/**
+ * Convert reply->addr to string
+ * @param reply: comm reply with address in it.
+ * @param dest: destination string.
+ * @param maxlen: length of string buffer.
+ */
+void reply_addr2str(struct comm_reply* reply, char* dest, int maxlen);
+
+#endif /* PYTHONMOD_UTILS_H */
diff --git a/usr.sbin/unbound/pythonmod/test-calc.conf b/usr.sbin/unbound/pythonmod/test-calc.conf
new file mode 100644
index 00000000000..ef854ce1bf6
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/test-calc.conf
@@ -0,0 +1,18 @@
+# Example configuration file for calc.py
+server:
+ verbosity: 1
+ interface: 0.0.0.0
+ do-daemonize: no
+ access-control: 0.0.0.0/0 allow
+ chroot: ""
+ username: ""
+ directory: ""
+ logfile: ""
+ pidfile: "unbound.pid"
+ module-config: "validator python iterator"
+
+# Python config section
+python:
+ # Script file to load
+ python-script: "./examples/calc.py"
+
diff --git a/usr.sbin/unbound/pythonmod/test-dict.conf b/usr.sbin/unbound/pythonmod/test-dict.conf
new file mode 100644
index 00000000000..daab7250e5d
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/test-dict.conf
@@ -0,0 +1,18 @@
+# Example configuration file for dict.py
+server:
+ verbosity: 1
+ interface: 0.0.0.0
+ do-daemonize: no
+ access-control: 0.0.0.0/0 allow
+ chroot: ""
+ username: ""
+ directory: ""
+ logfile: ""
+ pidfile: "unbound.pid"
+ module-config: "validator python iterator"
+
+# Python config section
+python:
+ # Script file to load
+ python-script: "./examples/dict.py"
+
diff --git a/usr.sbin/unbound/pythonmod/test-log.conf b/usr.sbin/unbound/pythonmod/test-log.conf
new file mode 100644
index 00000000000..02214ba1d63
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/test-log.conf
@@ -0,0 +1,17 @@
+# Example configuration file for log.py
+server:
+ verbosity: 1
+ interface: 0.0.0.0
+ do-daemonize: no
+ access-control: 0.0.0.0/0 allow
+ chroot: ""
+ username: ""
+ directory: ""
+ logfile: ""
+ pidfile: "unbound.pid"
+ module-config: "validator python iterator"
+
+# Python config section
+python:
+ # Script file to load
+ python-script: "./examples/log.py"
diff --git a/usr.sbin/unbound/pythonmod/test-resgen.conf b/usr.sbin/unbound/pythonmod/test-resgen.conf
new file mode 100644
index 00000000000..a0a79e42dfe
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/test-resgen.conf
@@ -0,0 +1,18 @@
+# Example configuration file for resgen.py
+server:
+ verbosity: 1
+ interface: 0.0.0.0
+ do-daemonize: no
+ access-control: 0.0.0.0/0 allow
+ chroot: ""
+ username: ""
+ directory: ""
+ logfile: ""
+ pidfile: "unbound.pid"
+ module-config: "validator python iterator"
+
+# Python config section
+python:
+ # Script file to load
+ python-script: "./examples/resgen.py"
+
diff --git a/usr.sbin/unbound/pythonmod/test-resip.conf b/usr.sbin/unbound/pythonmod/test-resip.conf
new file mode 100644
index 00000000000..7620f736fe3
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/test-resip.conf
@@ -0,0 +1,18 @@
+# Example configuration file for resip.py
+server:
+ verbosity: 1
+ #interface: 0.0.0.0
+ do-daemonize: no
+ #access-control: 0.0.0.0/0 allow
+ chroot: ""
+ username: ""
+ directory: ""
+ logfile: ""
+ pidfile: "unbound.pid"
+ module-config: "validator python iterator"
+
+# Python config section
+python:
+ # Script file to load
+ python-script: "./examples/resip.py"
+
diff --git a/usr.sbin/unbound/pythonmod/test-resmod.conf b/usr.sbin/unbound/pythonmod/test-resmod.conf
new file mode 100644
index 00000000000..8de5fd257fa
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/test-resmod.conf
@@ -0,0 +1,19 @@
+# Example configuration file for resmod.py
+server:
+ verbosity: 1
+ interface: 0.0.0.0
+ do-daemonize: no
+ access-control: 0.0.0.0/0 allow
+ chroot: ""
+ username: ""
+ directory: ""
+ logfile: ""
+ pidfile: "unbound.pid"
+ #module-config: "python iterator"
+ module-config: "validator python iterator"
+
+# Python config section
+python:
+ # Script file to load
+ python-script: "./examples/resmod.py"
+
diff --git a/usr.sbin/unbound/pythonmod/ubmodule-msg.py b/usr.sbin/unbound/pythonmod/ubmodule-msg.py
new file mode 100644
index 00000000000..648368080c0
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/ubmodule-msg.py
@@ -0,0 +1,156 @@
+# -*- coding: utf-8 -*-
+'''
+ ubmodule-msg.py: simple response packet logger
+
+ Authors: Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+
+ Copyright (c) 2008. All rights reserved.
+
+ This software is open source.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+'''
+import os
+
+def init(id, cfg):
+ log_info("pythonmod: init called, module id is %d port: %d script: %s" % (id, cfg.port, cfg.python_script))
+ return True
+
+def deinit(id):
+ log_info("pythonmod: deinit called, module id is %d" % id)
+ return True
+
+def inform_super(id, qstate, superqstate, qdata):
+ return True
+
+def setTTL(qstate, ttl):
+ """Sets return_msg TTL and all the RRs TTL"""
+ if qstate.return_msg:
+ qstate.return_msg.rep.ttl = ttl
+ if (qstate.return_msg.rep):
+ for i in range(0,qstate.return_msg.rep.rrset_count):
+ d = qstate.return_msg.rep.rrsets[i].entry.data
+ for j in range(0,d.count+d.rrsig_count):
+ d.rr_ttl[j] = ttl
+
+def dataHex(data, prefix=""):
+ res = ""
+ for i in range(0, (len(data)+15)/16):
+ res += "%s0x%02X | " % (prefix, i*16)
+ d = map(lambda x:ord(x), data[i*16:i*16+17])
+ for ch in d:
+ res += "%02X " % ch
+ for i in range(0,17-len(d)):
+ res += " "
+ res += "| "
+ for ch in d:
+ if (ch < 32) or (ch > 127):
+ res += ". "
+ else:
+ res += "%c " % ch
+ res += "\n"
+ return res
+
+def printReturnMsg(qstate):
+ print "Return MSG rep :: flags: %04X, QDcount: %d, Security:%d, TTL=%d" % (qstate.return_msg.rep.flags, qstate.return_msg.rep.qdcount,qstate.return_msg.rep.security, qstate.return_msg.rep.ttl)
+ print " qinfo :: qname:",qstate.return_msg.qinfo.qname_list, qstate.return_msg.qinfo.qname_str, "type:",qstate.return_msg.qinfo.qtype_str, "class:",qstate.return_msg.qinfo.qclass_str
+ if (qstate.return_msg.rep):
+ print "RRSets:",qstate.return_msg.rep.rrset_count
+ prevkey = None
+ for i in range(0,qstate.return_msg.rep.rrset_count):
+ r = qstate.return_msg.rep.rrsets[i]
+ rk = r.rk
+ print i,":",rk.dname_list, rk.dname_str, "flags: %04X" % rk.flags,
+ print "type:",rk.type_str,"(%d)" % ntohs(rk.type), "class:",rk.rrset_class_str,"(%d)" % ntohs(rk.rrset_class)
+
+ d = r.entry.data
+ print " RRDatas:",d.count+d.rrsig_count
+ for j in range(0,d.count+d.rrsig_count):
+ print " ",j,":","TTL=",d.rr_ttl[j],"RR data:"
+ print dataHex(d.rr_data[j]," ")
+
+
+def operate(id, event, qstate, qdata):
+ log_info("pythonmod: operate called, id: %d, event:%s" % (id, strmodulevent(event)))
+ #print "pythonmod: per query data", qdata
+
+ print "Query:", ''.join(map(lambda x:chr(max(32,ord(x))),qstate.qinfo.qname)), qstate.qinfo.qname_list, qstate.qinfo.qname_str,
+ print "Type:",qstate.qinfo.qtype_str,"(%d)" % qstate.qinfo.qtype,
+ print "Class:",qstate.qinfo.qclass_str,"(%d)" % qstate.qinfo.qclass
+ print
+
+ #if event == MODULE_EVENT_PASS: #pokud mame "validator python iterator"
+ if (event == MODULE_EVENT_NEW) and (qstate.qinfo.qname_str.endswith(".seznam.cz.")): #pokud mame "python validator iterator"
+ print qstate.qinfo.qname_str
+
+ qstate.ext_state[id] = MODULE_FINISHED
+
+ msg = DNSMessage(qstate.qinfo.qname_str, RR_TYPE_A, RR_CLASS_IN, PKT_QR | PKT_RA | PKT_AA) #, 300)
+ #msg.authority.append("xxx.seznam.cz. 10 IN A 192.168.1.1")
+ #msg.additional.append("yyy.seznam.cz. 10 IN A 1.1.1.2.")
+
+ if qstate.qinfo.qtype == RR_TYPE_A:
+ msg.answer.append("%s 10 IN A 192.168.1.1" % qstate.qinfo.qname_str)
+ if (qstate.qinfo.qtype == RR_TYPE_SRV) or (qstate.qinfo.qtype == RR_TYPE_ANY):
+ msg.answer.append("%s 10 IN SRV 0 0 80 neinfo.example.com." % qstate.qinfo.qname_str)
+ if (qstate.qinfo.qtype == RR_TYPE_TXT) or (qstate.qinfo.qtype == RR_TYPE_ANY):
+ msg.answer.append("%s 10 IN TXT path=/" % qstate.qinfo.qname_str)
+
+ if not msg.set_return_msg(qstate):
+ qstate.ext_state[id] = MODULE_ERROR
+ return True
+
+ #qstate.return_msg.rep.security = 2 #pokud nebude nasledovat validator, je zapotrebi nastavit security, aby nebyl paket zahozen v mesh_send_reply
+ printReturnMsg(qstate)
+
+ #Authoritative result can't be stored in cache
+ #if (not storeQueryInCache(qstate, qstate.return_msg.qinfo, qstate.return_msg.rep, 0)):
+ # print "Can't store in cache"
+ # qstate.ext_state[id] = MODULE_ERROR
+ # return False
+ #print "Store OK"
+
+ qstate.return_rcode = RCODE_NOERROR
+ return True
+
+ if event == MODULE_EVENT_NEW:
+ qstate.ext_state[id] = MODULE_WAIT_MODULE
+ return True
+
+ if event == MODULE_EVENT_MODDONE:
+ log_info("pythonmod: previous module done")
+ qstate.ext_state[id] = MODULE_FINISHED
+ return True
+
+ if event == MODULE_EVENT_PASS:
+ log_info("pythonmod: event_pass")
+ qstate.ext_state[id] = MODULE_WAIT_MODULE
+ return True
+
+ log_err("pythonmod: BAD event")
+ qstate.ext_state[id] = MODULE_ERROR
+ return True
+
+log_info("pythonmod: script loaded.")
diff --git a/usr.sbin/unbound/pythonmod/ubmodule-tst.py b/usr.sbin/unbound/pythonmod/ubmodule-tst.py
new file mode 100644
index 00000000000..0b9b5a9d2cf
--- /dev/null
+++ b/usr.sbin/unbound/pythonmod/ubmodule-tst.py
@@ -0,0 +1,149 @@
+# -*- coding: utf-8 -*-
+'''
+ ubmodule-tst.py:
+
+ Authors: Zdenek Vasicek (vasicek AT fit.vutbr.cz)
+ Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
+
+ Copyright (c) 2008. All rights reserved.
+
+ This software is open source.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+'''
+def init(id, cfg):
+ log_info("pythonmod: init called, module id is %d port: %d script: %s" % (id, cfg.port, cfg.python_script))
+ return True
+
+def deinit(id):
+ log_info("pythonmod: deinit called, module id is %d" % id)
+ return True
+
+def inform_super(id, qstate, superqstate, qdata):
+ return True
+
+def setTTL(qstate, ttl):
+ """Sets return_msg TTL and all the RRs TTL"""
+ if qstate.return_msg:
+ qstate.return_msg.rep.ttl = ttl
+ if (qstate.return_msg.rep):
+ for i in range(0,qstate.return_msg.rep.rrset_count):
+ d = qstate.return_msg.rep.rrsets[i].entry.data
+ for j in range(0,d.count+d.rrsig_count):
+ d.rr_ttl[j] = ttl
+
+def dataHex(data, prefix=""):
+ res = ""
+ for i in range(0, (len(data)+15)/16):
+ res += "%s0x%02X | " % (prefix, i*16)
+ d = map(lambda x:ord(x), data[i*16:i*16+17])
+ for ch in d:
+ res += "%02X " % ch
+ for i in range(0,17-len(d)):
+ res += " "
+ res += "| "
+ for ch in d:
+ if (ch < 32) or (ch > 127):
+ res += ". "
+ else:
+ res += "%c " % ch
+ res += "\n"
+ return res
+
+def printReturnMsg(qstate):
+ print "Return MSG rep :: flags: %04X, QDcount: %d, Security:%d, TTL=%d" % (qstate.return_msg.rep.flags, qstate.return_msg.rep.qdcount,qstate.return_msg.rep.security, qstate.return_msg.rep.ttl)
+ print " qinfo :: qname:",qstate.return_msg.qinfo.qname_list, qstate.return_msg.qinfo.qname_str, "type:",qstate.return_msg.qinfo.qtype_str, "class:",qstate.return_msg.qinfo.qclass_str
+ if (qstate.return_msg.rep):
+ print "RRSets:",qstate.return_msg.rep.rrset_count
+ prevkey = None
+ for i in range(0,qstate.return_msg.rep.rrset_count):
+ r = qstate.return_msg.rep.rrsets[i]
+ rk = r.rk
+ print i,":",rk.dname_list, rk.dname_str, "flags: %04X" % rk.flags,
+ print "type:",rk.type_str,"(%d)" % ntohs(rk.type), "class:",rk.rrset_class_str,"(%d)" % ntohs(rk.rrset_class)
+
+ d = r.entry.data
+ print " RRDatas:",d.count+d.rrsig_count
+ for j in range(0,d.count+d.rrsig_count):
+ print " ",j,":","TTL=",d.rr_ttl[j],"RR data:"
+ print dataHex(d.rr_data[j]," ")
+
+def operate(id, event, qstate, qdata):
+ log_info("pythonmod: operate called, id: %d, event:%s" % (id, strmodulevent(event)))
+ #print "pythonmod: per query data", qdata
+
+ print "Query:", ''.join(map(lambda x:chr(max(32,ord(x))),qstate.qinfo.qname)), qstate.qinfo.qname_list,
+ print "Type:",qstate.qinfo.qtype_str,"(%d)" % qstate.qinfo.qtype,
+ print "Class:",qstate.qinfo.qclass_str,"(%d)" % qstate.qinfo.qclass
+ print
+
+ # TEST:
+ # > dig @127.0.0.1 www.seznam.cz A
+ # > dig @127.0.0.1 3.76.75.77.in-addr.arpa. PTR
+ # prvni dva dotazy vrati TTL 100
+ # > dig @127.0.0.1 www.seznam.cz A
+ # > dig @127.0.0.1 3.76.75.77.in-addr.arpa. PTR
+ # dalsi dva dotazy vrati TTL 10, ktere se bude s dalsimi dotazy snizovat, nez vyprsi a znovu se zaktivuje mesh
+
+ if qstate.return_msg:
+ printReturnMsg(qstate)
+
+ #qdn = '.'.join(qstate.qinfo.qname_list)
+ qdn = qstate.qinfo.qname_str
+
+ #Pokud dotaz konci na nasledujici, pozmenime TTL zpravy, ktera se posle klientovi (return_msg) i zpravy v CACHE
+ if qdn.endswith(".seznam.cz.") or qdn.endswith('.in-addr.arpa.'):
+ #pokud je v cache odpoved z iteratoru, pak ji zneplatnime, jinak se moduly nazavolaji do te doby, nez vyprsi TTL
+ invalidateQueryInCache(qstate, qstate.return_msg.qinfo)
+
+ if (qstate.return_msg.rep.authoritative):
+ print "X"*300
+
+ setTTL(qstate, 10) #do cache nastavime TTL na 10
+ if not storeQueryInCache(qstate, qstate.return_msg.qinfo, qstate.return_msg.rep, 0):
+ qstate.ext_state[id] = MODULE_ERROR
+ return False
+
+ setTTL(qstate, 100) #odpoved klientovi prijde s TTL 100
+ qstate.return_rcode = RCODE_NOERROR
+
+ if event == MODULE_EVENT_NEW:
+ qstate.ext_state[id] = MODULE_WAIT_MODULE
+ return True
+
+ if event == MODULE_EVENT_MODDONE:
+ log_info("pythonmod: previous module done")
+ qstate.ext_state[id] = MODULE_FINISHED
+ return True
+
+ if event == MODULE_EVENT_PASS:
+ log_info("pythonmod: event_pass")
+ qstate.ext_state[id] = MODULE_WAIT_MODULE
+ return True
+
+ log_err("pythonmod: BAD event")
+ qstate.ext_state[id] = MODULE_ERROR
+ return True
+
+log_info("pythonmod: script loaded.")