/*
* Load test data into the RBT.
*/
static void
add_test_data(isc_mem_t *mymctx, dns_rbt_t *rbt) {
char buffer[1024];
isc_buffer_t b;
isc_result_t result;
dns_fixedname_t fname;
dns_name_t *name;
dns_compress_t cctx;
rbt_testdata_t *testdatap = testdata;
dns_compress_init(&cctx, -1, mymctx);
while (testdatap->name != NULL && testdatap->data.data != NULL) {
memmove(buffer, testdatap->name, testdatap->name_len);
isc_buffer_init(&b, buffer, testdatap->name_len);
isc_buffer_add(&b, testdatap->name_len);
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
if (result != ISC_R_SUCCESS) {
testdatap++;
continue;
}
if (name != NULL) {
result = dns_rbt_addname(rbt, name, &testdatap->data);
ATF_CHECK_STREQ(dns_result_totext(result), "success");
}
testdatap++;
}
dns_compress_invalidate(&cctx);
}
/*
* Arrange to send as much as we can of "stream" without blocking.
*
* Requires:
* The stream iterator is initialized and points at an RR,
* or possibly at the end of the stream (that is, the
* _first method of the iterator has been called).
*/
static void
sendstream(xfrout_ctx_t *xfr) {
dns_message_t *tcpmsg = NULL;
dns_message_t *msg = NULL; /* Client message if UDP, tcpmsg if TCP */
isc_result_t result;
isc_region_t used;
isc_region_t region;
dns_rdataset_t *qrdataset;
dns_name_t *msgname = NULL;
dns_rdata_t *msgrdata = NULL;
dns_rdatalist_t *msgrdl = NULL;
dns_rdataset_t *msgrds = NULL;
dns_compress_t cctx;
isc_boolean_t cleanup_cctx = ISC_FALSE;
isc_boolean_t is_tcp;
int n_rrs;
isc_buffer_clear(&xfr->buf);
isc_buffer_clear(&xfr->txlenbuf);
isc_buffer_clear(&xfr->txbuf);
is_tcp = ISC_TF((xfr->client->attributes & NS_CLIENTATTR_TCP) != 0);
if (!is_tcp) {
/*
* In the UDP case, we put the response data directly into
* the client message.
*/
msg = xfr->client->message;
CHECK(dns_message_reply(msg, ISC_TRUE));
} else {
/*
* TCP. Build a response dns_message_t, temporarily storing
* the raw, uncompressed owner names and RR data contiguously
* in xfr->buf. We know that if the uncompressed data fits
* in xfr->buf, the compressed data will surely fit in a TCP
* message.
*/
CHECK(dns_message_create(xfr->mctx,
DNS_MESSAGE_INTENTRENDER, &tcpmsg));
msg = tcpmsg;
msg->id = xfr->id;
msg->rcode = dns_rcode_noerror;
msg->flags = DNS_MESSAGEFLAG_QR | DNS_MESSAGEFLAG_AA;
if ((xfr->client->attributes & NS_CLIENTATTR_RA) != 0)
msg->flags |= DNS_MESSAGEFLAG_RA;
CHECK(dns_message_settsigkey(msg, xfr->tsigkey));
CHECK(dns_message_setquerytsig(msg, xfr->lasttsig));
if (xfr->lasttsig != NULL)
isc_buffer_free(&xfr->lasttsig);
/*
* Add a EDNS option to the message?
*/
if ((xfr->client->attributes & NS_CLIENTATTR_WANTOPT) != 0) {
dns_rdataset_t *opt = NULL;
CHECK(ns_client_addopt(xfr->client, msg, &opt));
CHECK(dns_message_setopt(msg, opt));
/*
* Add to first message only.
*/
xfr->client->attributes &= ~NS_CLIENTATTR_WANTNSID;
xfr->client->attributes &= ~NS_CLIENTATTR_HAVEEXPIRE;
}
/*
* Account for reserved space.
*/
if (xfr->tsigkey != NULL)
INSIST(msg->reserved != 0U);
isc_buffer_add(&xfr->buf, msg->reserved);
/*
* Include a question section in the first message only.
* BIND 8.2.1 will not recognize an IXFR if it does not
* have a question section.
*/
if (xfr->nmsg == 0) {
dns_name_t *qname = NULL;
isc_region_t r;
/*
* Reserve space for the 12-byte message header
* and 4 bytes of question.
*/
isc_buffer_add(&xfr->buf, 12 + 4);
qrdataset = NULL;
result = dns_message_gettemprdataset(msg, &qrdataset);
if (result != ISC_R_SUCCESS)
goto failure;
dns_rdataset_makequestion(qrdataset,
xfr->client->message->rdclass,
xfr->qtype);
result = dns_message_gettempname(msg, &qname);
if (result != ISC_R_SUCCESS)
goto failure;
dns_name_init(qname, NULL);
isc_buffer_availableregion(&xfr->buf, &r);
INSIST(r.length >= xfr->qname->length);
r.length = xfr->qname->length;
isc_buffer_putmem(&xfr->buf, xfr->qname->ndata,
xfr->qname->length);
dns_name_fromregion(qname, &r);
ISC_LIST_INIT(qname->list);
ISC_LIST_APPEND(qname->list, qrdataset, link);
dns_message_addname(msg, qname, DNS_SECTION_QUESTION);
} else {
/*
* Reserve space for the 12-byte message header
*/
isc_buffer_add(&xfr->buf, 12);
msg->tcp_continuation = 1;
}
}
/*
* Try to fit in as many RRs as possible, unless "one-answer"
* format has been requested.
*/
for (n_rrs = 0; ; n_rrs++) {
dns_name_t *name = NULL;
isc_uint32_t ttl;
dns_rdata_t *rdata = NULL;
unsigned int size;
isc_region_t r;
msgname = NULL;
msgrdata = NULL;
msgrdl = NULL;
msgrds = NULL;
xfr->stream->methods->current(xfr->stream,
&name, &ttl, &rdata);
size = name->length + 10 + rdata->length;
isc_buffer_availableregion(&xfr->buf, &r);
if (size >= r.length) {
/*
* RR would not fit. If there are other RRs in the
* buffer, send them now and leave this RR to the
* next message. If this RR overflows the buffer
* all by itself, fail.
*
* In theory some RRs might fit in a TCP message
* when compressed even if they do not fit when
* uncompressed, but surely we don't want
* to send such monstrosities to an unsuspecting
* slave.
*/
if (n_rrs == 0) {
xfrout_log(xfr, ISC_LOG_WARNING,
"RR too large for zone transfer "
"(%d bytes)", size);
/* XXX DNS_R_RRTOOLARGE? */
result = ISC_R_NOSPACE;
goto failure;
}
break;
}
if (isc_log_wouldlog(ns_g_lctx, XFROUT_RR_LOGLEVEL))
log_rr(name, rdata, ttl); /* XXX */
result = dns_message_gettempname(msg, &msgname);
if (result != ISC_R_SUCCESS)
goto failure;
dns_name_init(msgname, NULL);
isc_buffer_availableregion(&xfr->buf, &r);
INSIST(r.length >= name->length);
r.length = name->length;
isc_buffer_putmem(&xfr->buf, name->ndata, name->length);
dns_name_fromregion(msgname, &r);
/* Reserve space for RR header. */
isc_buffer_add(&xfr->buf, 10);
result = dns_message_gettemprdata(msg, &msgrdata);
if (result != ISC_R_SUCCESS)
goto failure;
isc_buffer_availableregion(&xfr->buf, &r);
r.length = rdata->length;
isc_buffer_putmem(&xfr->buf, rdata->data, rdata->length);
dns_rdata_init(msgrdata);
dns_rdata_fromregion(msgrdata,
rdata->rdclass, rdata->type, &r);
result = dns_message_gettemprdatalist(msg, &msgrdl);
if (result != ISC_R_SUCCESS)
goto failure;
msgrdl->type = rdata->type;
msgrdl->rdclass = rdata->rdclass;
msgrdl->ttl = ttl;
if (rdata->type == dns_rdatatype_sig ||
rdata->type == dns_rdatatype_rrsig)
msgrdl->covers = dns_rdata_covers(rdata);
else
msgrdl->covers = dns_rdatatype_none;
ISC_LIST_APPEND(msgrdl->rdata, msgrdata, link);
result = dns_message_gettemprdataset(msg, &msgrds);
if (result != ISC_R_SUCCESS)
goto failure;
result = dns_rdatalist_tordataset(msgrdl, msgrds);
INSIST(result == ISC_R_SUCCESS);
ISC_LIST_APPEND(msgname->list, msgrds, link);
dns_message_addname(msg, msgname, DNS_SECTION_ANSWER);
msgname = NULL;
result = xfr->stream->methods->next(xfr->stream);
if (result == ISC_R_NOMORE) {
xfr->end_of_stream = ISC_TRUE;
break;
}
CHECK(result);
if (! xfr->many_answers)
break;
/*
* At this stage, at least 1 RR has been rendered into
* the message. Check if we want to clamp this message
* here (TCP only). 20480 was set as an upper limit to
* improve message compression.
*/
if ((isc_buffer_usedlength(&xfr->buf) >= 20480) && is_tcp)
break;
}
if (is_tcp) {
CHECK(dns_compress_init(&cctx, -1, xfr->mctx));
dns_compress_setsensitive(&cctx, ISC_TRUE);
cleanup_cctx = ISC_TRUE;
CHECK(dns_message_renderbegin(msg, &cctx, &xfr->txbuf));
CHECK(dns_message_rendersection(msg, DNS_SECTION_QUESTION, 0));
CHECK(dns_message_rendersection(msg, DNS_SECTION_ANSWER, 0));
CHECK(dns_message_renderend(msg));
dns_compress_invalidate(&cctx);
cleanup_cctx = ISC_FALSE;
isc_buffer_usedregion(&xfr->txbuf, &used);
isc_buffer_putuint16(&xfr->txlenbuf,
(isc_uint16_t)used.length);
region.base = xfr->txlenbuf.base;
region.length = 2 + used.length;
xfrout_log(xfr, ISC_LOG_DEBUG(8),
"sending TCP message of %d bytes",
used.length);
CHECK(isc_socket_send(xfr->client->tcpsocket, /* XXX */
®ion, xfr->client->task,
xfrout_senddone,
xfr));
xfr->sends++;
} else {
xfrout_log(xfr, ISC_LOG_DEBUG(8), "sending IXFR UDP response");
ns_client_send(xfr->client);
xfr->stream->methods->pause(xfr->stream);
xfrout_ctx_destroy(&xfr);
return;
}
/* Advance lasttsig to be the last TSIG generated */
CHECK(dns_message_getquerytsig(msg, xfr->mctx, &xfr->lasttsig));
xfr->nmsg++;
failure:
if (msgname != NULL) {
if (msgrds != NULL) {
if (dns_rdataset_isassociated(msgrds))
dns_rdataset_disassociate(msgrds);
dns_message_puttemprdataset(msg, &msgrds);
}
if (msgrdl != NULL) {
ISC_LIST_UNLINK(msgrdl->rdata, msgrdata, link);
dns_message_puttemprdatalist(msg, &msgrdl);
}
if (msgrdata != NULL)
dns_message_puttemprdata(msg, &msgrdata);
dns_message_puttempname(msg, &msgname);
}
if (tcpmsg != NULL)
dns_message_destroy(&tcpmsg);
if (cleanup_cctx)
dns_compress_invalidate(&cctx);
/*
* Make sure to release any locks held by database
* iterators before returning from the event handler.
*/
xfr->stream->methods->pause(xfr->stream);
if (result == ISC_R_SUCCESS)
return;
xfrout_fail(xfr, result, "sending zone data");
}
static void
buildquery(void) {
isc_result_t result;
dns_rdataset_t *question = NULL;
dns_name_t *qname = NULL;
isc_region_t r, inr;
dns_message_t *query;
char nametext[] = "host.example";
isc_buffer_t namesrc, namedst;
unsigned char namedata[256];
isc_sockaddr_t sa;
dns_compress_t cctx;
query = NULL;
result = dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &query);
CHECK("dns_message_create", result);
result = dns_message_setsig0key(query, key);
CHECK("dns_message_setsig0key", result);
result = dns_message_gettemprdataset(query, &question);
CHECK("dns_message_gettemprdataset", result);
dns_rdataset_init(question);
dns_rdataset_makequestion(question, dns_rdataclass_in,
dns_rdatatype_a);
result = dns_message_gettempname(query, &qname);
CHECK("dns_message_gettempname", result);
isc_buffer_init(&namesrc, nametext, strlen(nametext));
isc_buffer_add(&namesrc, strlen(nametext));
isc_buffer_init(&namedst, namedata, sizeof(namedata));
dns_name_init(qname, NULL);
result = dns_name_fromtext(qname, &namesrc, dns_rootname, ISC_FALSE,
&namedst);
CHECK("dns_name_fromtext", result);
ISC_LIST_APPEND(qname->list, question, link);
dns_message_addname(query, qname, DNS_SECTION_QUESTION);
isc_buffer_init(&qbuffer, qdata, sizeof(qdata));
result = dns_compress_init(&cctx, -1, mctx);
CHECK("dns_compress_init", result);
result = dns_message_renderbegin(query, &cctx, &qbuffer);
CHECK("dns_message_renderbegin", result);
result = dns_message_rendersection(query, DNS_SECTION_QUESTION, 0);
CHECK("dns_message_rendersection(question)", result);
result = dns_message_rendersection(query, DNS_SECTION_ANSWER, 0);
CHECK("dns_message_rendersection(answer)", result);
result = dns_message_rendersection(query, DNS_SECTION_AUTHORITY, 0);
CHECK("dns_message_rendersection(auth)", result);
result = dns_message_rendersection(query, DNS_SECTION_ADDITIONAL, 0);
CHECK("dns_message_rendersection(add)", result);
result = dns_message_renderend(query);
CHECK("dns_message_renderend", result);
dns_compress_invalidate(&cctx);
isc_buffer_init(&outbuf, output, sizeof(output));
result = dns_message_totext(query, style, 0, &outbuf);
CHECK("dns_message_totext", result);
printf("%.*s\n", (int)isc_buffer_usedlength(&outbuf),
(char *)isc_buffer_base(&outbuf));
isc_buffer_usedregion(&qbuffer, &r);
isc_sockaddr_any(&sa);
result = isc_socket_bind(s, &sa);
CHECK("isc_socket_bind", result);
result = isc_socket_sendto(s, &r, task1, senddone, NULL, &address,
NULL);
CHECK("isc_socket_sendto", result);
inr.base = rdata;
inr.length = sizeof(rdata);
result = isc_socket_recv(s, &inr, 1, task1, recvdone, NULL);
CHECK("isc_socket_recv", result);
dns_message_destroy(&query);
}
static void
process_message(isc_buffer_t *source) {
dns_message_t *message;
isc_result_t result;
int i;
message = NULL;
result = dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &message);
CHECKRESULT(result, "dns_message_create failed");
result = dns_message_parse(message, source, parseflags);
if (result == DNS_R_RECOVERABLE)
result = ISC_R_SUCCESS;
CHECKRESULT(result, "dns_message_parse failed");
result = printmessage(message);
CHECKRESULT(result, "printmessage() failed");
if (printmemstats)
isc_mem_stats(mctx, stdout);
if (dorender) {
unsigned char b2[64 * 1024];
isc_buffer_t buffer;
dns_compress_t cctx;
isc_buffer_init(&buffer, b2, sizeof(b2));
/*
* XXXMLG
* Changing this here is a hack, and should not be done in
* reasonable application code, ever.
*/
message->from_to_wire = DNS_MESSAGE_INTENTRENDER;
for (i = 0; i < DNS_SECTION_MAX; i++)
message->counts[i] = 0; /* Another hack XXX */
result = dns_compress_init(&cctx, -1, mctx);
CHECKRESULT(result, "dns_compress_init() failed");
result = dns_message_renderbegin(message, &cctx, &buffer);
CHECKRESULT(result, "dns_message_renderbegin() failed");
result = dns_message_rendersection(message,
DNS_SECTION_QUESTION, 0);
CHECKRESULT(result,
"dns_message_rendersection(QUESTION) failed");
result = dns_message_rendersection(message,
DNS_SECTION_ANSWER, 0);
CHECKRESULT(result,
"dns_message_rendersection(ANSWER) failed");
result = dns_message_rendersection(message,
DNS_SECTION_AUTHORITY, 0);
CHECKRESULT(result,
"dns_message_rendersection(AUTHORITY) failed");
result = dns_message_rendersection(message,
DNS_SECTION_ADDITIONAL, 0);
CHECKRESULT(result,
"dns_message_rendersection(ADDITIONAL) failed");
dns_message_renderend(message);
dns_compress_invalidate(&cctx);
message->from_to_wire = DNS_MESSAGE_INTENTPARSE;
dns_message_destroy(&message);
printf("Message rendered.\n");
if (printmemstats)
isc_mem_stats(mctx, stdout);
result = dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE,
&message);
CHECKRESULT(result, "dns_message_create failed");
result = dns_message_parse(message, &buffer, parseflags);
CHECKRESULT(result, "dns_message_parse failed");
result = printmessage(message);
CHECKRESULT(result, "printmessage() failed");
}
dns_message_destroy(&message);
}
static isc_result_t
add_tsig(dst_context_t *tsigctx, dns_tsigkey_t *key, isc_buffer_t *target) {
dns_compress_t cctx;
dns_rdata_any_tsig_t tsig;
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdatalist_t rdatalist;
dns_rdataset_t rdataset;
isc_buffer_t *dynbuf = NULL;
isc_buffer_t databuf;
isc_buffer_t sigbuf;
isc_region_t r;
isc_result_t result = ISC_R_SUCCESS;
isc_stdtime_t now;
unsigned char tsigbuf[1024];
unsigned int count;
unsigned int sigsize;
isc_boolean_t invalidate_ctx = ISC_FALSE;
CHECK(dns_compress_init(&cctx, -1, mctx));
invalidate_ctx = ISC_TRUE;
memset(&tsig, 0, sizeof(tsig));
tsig.common.rdclass = dns_rdataclass_any;
tsig.common.rdtype = dns_rdatatype_tsig;
ISC_LINK_INIT(&tsig.common, link);
dns_name_init(&tsig.algorithm, NULL);
dns_name_clone(key->algorithm, &tsig.algorithm);
isc_stdtime_get(&now);
tsig.timesigned = now;
tsig.fudge = DNS_TSIG_FUDGE;
tsig.originalid = 50;
tsig.error = dns_rcode_noerror;
tsig.otherlen = 0;
tsig.other = NULL;
isc_buffer_init(&databuf, tsigbuf, sizeof(tsigbuf));
isc_buffer_putuint48(&databuf, tsig.timesigned);
isc_buffer_putuint16(&databuf, tsig.fudge);
isc_buffer_usedregion(&databuf, &r);
CHECK(dst_context_adddata(tsigctx, &r));
CHECK(dst_key_sigsize(key->key, &sigsize));
tsig.signature = (unsigned char *) isc_mem_get(mctx, sigsize);
if (tsig.signature == NULL)
CHECK(ISC_R_NOMEMORY);
isc_buffer_init(&sigbuf, tsig.signature, sigsize);
CHECK(dst_context_sign(tsigctx, &sigbuf));
tsig.siglen = isc_buffer_usedlength(&sigbuf);
CHECK(isc_buffer_allocate(mctx, &dynbuf, 512));
CHECK(dns_rdata_fromstruct(&rdata, dns_rdataclass_any,
dns_rdatatype_tsig, &tsig, dynbuf));
dns_rdatalist_init(&rdatalist);
rdatalist.rdclass = dns_rdataclass_any;
rdatalist.type = dns_rdatatype_tsig;
ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
dns_rdataset_init(&rdataset);
CHECK(dns_rdatalist_tordataset(&rdatalist, &rdataset));
CHECK(dns_rdataset_towire(&rdataset, &key->name, &cctx,
target, 0, &count));
/*
* Fixup additional record count.
*/
((unsigned char*)target->base)[11]++;
if (((unsigned char*)target->base)[11] == 0)
((unsigned char*)target->base)[10]++;
cleanup:
if (tsig.signature != NULL)
isc_mem_put(mctx, tsig.signature, sigsize);
if (dynbuf != NULL)
isc_buffer_free(&dynbuf);
if (invalidate_ctx)
dns_compress_invalidate(&cctx);
return (result);
}
static void
render(isc_buffer_t *buf, unsigned flags, dns_tsigkey_t *key,
isc_buffer_t **tsigin, isc_buffer_t **tsigout,
dst_context_t *tsigctx)
{
dns_message_t *msg = NULL;
dns_compress_t cctx;
isc_result_t result;
result = dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &msg);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_message_create: %s",
dns_result_totext(result));
msg->id = 50;
msg->rcode = dns_rcode_noerror;
msg->flags = flags;
if (tsigin == tsigout)
msg->tcp_continuation = 1;
if (tsigctx == NULL) {
result = dns_message_settsigkey(msg, key);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_message_settsigkey: %s",
dns_result_totext(result));
result = dns_message_setquerytsig(msg, *tsigin);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_message_setquerytsig: %s",
dns_result_totext(result));
}
result = dns_compress_init(&cctx, -1, mctx);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_compress_init: %s",
dns_result_totext(result));
result = dns_message_renderbegin(msg, &cctx, buf);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_message_renderbegin: %s",
dns_result_totext(result));
result = dns_message_renderend(msg);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_message_renderend: %s",
dns_result_totext(result));
if (tsigctx != NULL) {
isc_region_t r;
isc_buffer_usedregion(buf, &r);
result = dst_context_adddata(tsigctx, &r);
} else {
if (tsigin == tsigout && *tsigin != NULL)
isc_buffer_free(tsigin);
result = dns_message_getquerytsig(msg, mctx, tsigout);
ATF_CHECK_EQ_MSG(result, ISC_R_SUCCESS,
"dns_message_getquerytsig: %s",
dns_result_totext(result));
}
dns_compress_invalidate(&cctx);
dns_message_destroy(&msg);
}
ATF_TC_BODY(send, tc) {
isc_result_t result;
dns_dtenv_t *dtenv = NULL;
dns_dthandle_t handle;
isc_uint8_t *data;
size_t dsize;
unsigned char zone[DNS_NAME_MAXWIRE];
unsigned char qambuffer[4096], rambuffer[4096];
unsigned char qrmbuffer[4096], rrmbuffer[4096];
isc_buffer_t zb, qamsg, ramsg, qrmsg, rrmsg;
size_t qasize, qrsize, rasize, rrsize;
dns_fixedname_t zfname;
dns_name_t *zname;
dns_dtmsgtype_t dt;
dns_view_t *view = NULL;
dns_compress_t cctx;
isc_region_t zr;
isc_sockaddr_t addr;
struct in_addr in;
isc_stdtime_t now;
isc_time_t p, f;
UNUSED(tc);
cleanup();
result = dns_test_begin(NULL, ISC_TRUE);
ATF_REQUIRE(result == ISC_R_SUCCESS);
result = dns_test_makeview("test", &view);
result = dns_dt_create(mctx, dns_dtmode_file, TAPFILE, 1, &dtenv);
ATF_REQUIRE(result == ISC_R_SUCCESS);
dns_dt_attach(dtenv, &view->dtenv);
view->dttypes = DNS_DTTYPE_ALL;
/*
* Set up some test data
*/
dns_fixedname_init(&zfname);
zname = dns_fixedname_name(&zfname);
isc_buffer_constinit(&zb, "example.com.", 12);
isc_buffer_add(&zb, 12);
result = dns_name_fromtext(zname, &zb, NULL, 0, NULL);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
memset(&zr, 0, sizeof(zr));
isc_buffer_init(&zb, zone, sizeof(zone));
result = dns_compress_init(&cctx, -1, mctx);
dns_compress_setmethods(&cctx, DNS_COMPRESS_NONE);
result = dns_name_towire(zname, &cctx, &zb);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
dns_compress_invalidate(&cctx);
isc_buffer_usedregion(&zb, &zr);
in.s_addr = inet_addr("10.53.0.1");
isc_sockaddr_fromin(&addr, &in, 2112);
isc_stdtime_get(&now);
isc_time_set(&p, now - 3600, 0); /* past */
isc_time_set(&f, now + 3600, 0); /* future */
result = dns_test_getdata("testdata/dnstap/query.auth",
qambuffer, sizeof(qambuffer), &qasize);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
isc_buffer_init(&qamsg, qambuffer, qasize);
isc_buffer_add(&qamsg, qasize);
result = dns_test_getdata("testdata/dnstap/response.auth",
rambuffer, sizeof(rambuffer), &rasize);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
isc_buffer_init(&ramsg, rambuffer, rasize);
isc_buffer_add(&ramsg, rasize);
result = dns_test_getdata("testdata/dnstap/query.recursive", qrmbuffer,
sizeof(qrmbuffer), &qrsize);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
isc_buffer_init(&qrmsg, qrmbuffer, qrsize);
isc_buffer_add(&qrmsg, qrsize);
result = dns_test_getdata("testdata/dnstap/response.recursive",
rrmbuffer, sizeof(rrmbuffer), &rrsize);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
isc_buffer_init(&rrmsg, rrmbuffer, rrsize);
isc_buffer_add(&rrmsg, rrsize);
for (dt = DNS_DTTYPE_SQ; dt <= DNS_DTTYPE_TR; dt <<= 1) {
isc_buffer_t *m;
switch (dt) {
case DNS_DTTYPE_AQ:
m = &qamsg;
break;
case DNS_DTTYPE_AR:
m = &ramsg;
break;
default:
m = &qrmsg;
if ((dt & DNS_DTTYPE_RESPONSE) != 0)
m = &ramsg;
break;
}
dns_dt_send(view, dt, &addr, ISC_FALSE, &zr, &p, &f, m);
dns_dt_send(view, dt, &addr, ISC_FALSE, &zr, NULL, &f, m);
dns_dt_send(view, dt, &addr, ISC_FALSE, &zr, &p, NULL, m);
dns_dt_send(view, dt, &addr, ISC_FALSE, &zr, NULL, NULL, m);
dns_dt_send(view, dt, &addr, ISC_TRUE, &zr, &p, &f, m);
dns_dt_send(view, dt, &addr, ISC_TRUE, &zr, NULL, &f, m);
dns_dt_send(view, dt, &addr, ISC_TRUE, &zr, &p, NULL, m);
dns_dt_send(view, dt, &addr, ISC_TRUE, &zr, NULL, NULL, m);
}
dns_dt_detach(&view->dtenv);
dns_dt_detach(&dtenv);
dns_dt_shutdown();
dns_view_detach(&view);
/*
* XXX now read back and check content.
*/
result = dns_dt_open(TAPFILE, dns_dtmode_file, &handle);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
while (dns_dt_getframe(&handle, &data, &dsize) == ISC_R_SUCCESS) {
dns_dtdata_t *dtdata = NULL;
isc_region_t r;
static dns_dtmsgtype_t expected = DNS_DTTYPE_SQ;
static int n = 0;
r.base = data;
r.length = dsize;
result = dns_dt_parse(mctx, &r, &dtdata);
ATF_CHECK_EQ(result, ISC_R_SUCCESS);
if (result != ISC_R_SUCCESS) {
n++;
continue;
}
ATF_CHECK_EQ(dtdata->type, expected);
if (++n % 8 == 0)
expected <<= 1;
dns_dtdata_free(&dtdata);
}
dns_dt_close(&handle);
cleanup();
dns_test_end();
}
void
test(unsigned int allowed, dns_name_t *name1, dns_name_t *name2,
dns_name_t *name3, unsigned char *result, unsigned int length)
{
isc_mem_t *mctx = NULL;
dns_compress_t cctx;
dns_decompress_t dctx;
isc_buffer_t source;
isc_buffer_t target;
dns_name_t name;
unsigned char buf1[1024];
unsigned char buf2[1024];
if (verbose) {
const char *s;
switch (allowed) {
case DNS_COMPRESS_NONE: s = "DNS_COMPRESS_NONE"; break;
case DNS_COMPRESS_GLOBAL14: s = "DNS_COMPRESS_GLOBAL14"; break;
/* case DNS_COMPRESS_ALL: s = "DNS_COMPRESS_ALL"; break; */
default: s = "UNKNOWN"; break;
}
fprintf(stdout, "Allowed = %s\n", s);
}
RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
isc_buffer_init(&source, buf1, sizeof(buf1));
RUNTIME_CHECK(dns_compress_init(&cctx, -1, mctx) == ISC_R_SUCCESS);
RUNTIME_CHECK(dns_name_towire(name1, &cctx, &source) == ISC_R_SUCCESS);
/*
RUNTIME_CHECK(dns_compress_localinit(&cctx, name1, &source) ==
ISC_R_SUCCESS);
*/
dns_compress_setmethods(&cctx, allowed);
RUNTIME_CHECK(dns_name_towire(name2, &cctx, &source) == ISC_R_SUCCESS);
RUNTIME_CHECK(dns_name_towire(name2, &cctx, &source) == ISC_R_SUCCESS);
RUNTIME_CHECK(dns_name_towire(name3, &cctx, &source) == ISC_R_SUCCESS);
/*
dns_compress_localinvalidate(&cctx);
*/
dns_compress_rollback(&cctx, 0); /* testing only */
dns_compress_invalidate(&cctx);
if (raw) {
unsigned int i;
for (i = 0; i < source.used; /* */ ) {
fprintf(stdout, "%02x",
((unsigned char *)source.base)[i]);
if ((++i % 20) == 0)
fputs("\n", stdout);
else
if (i == source.used)
fputs("\n", stdout);
else
fputs(" ", stdout);
}
}
isc_buffer_setactive(&source, source.used);
isc_buffer_init(&target, buf2, sizeof(buf2));
dns_decompress_init(&dctx, -1, DNS_DECOMPRESS_STRICT);
dns_name_init(&name, NULL);
RUNTIME_CHECK(dns_name_fromwire(&name, &source, &dctx, ISC_FALSE,
&target) == ISC_R_SUCCESS);
dns_decompress_setmethods(&dctx, allowed);
/*
dns_decompress_localinit(&dctx, &name, &source);
*/
RUNTIME_CHECK(dns_name_fromwire(&name, &source, &dctx, ISC_FALSE,
&target) == ISC_R_SUCCESS);
RUNTIME_CHECK(dns_name_fromwire(&name, &source, &dctx, ISC_FALSE,
&target) == ISC_R_SUCCESS);
RUNTIME_CHECK(dns_name_fromwire(&name, &source, &dctx, ISC_FALSE,
&target) == ISC_R_SUCCESS);
/*
dns_decompress_localinvalidate(&dctx);
*/
dns_decompress_invalidate(&dctx);
if (raw) {
unsigned int i;
for (i = 0; i < target.used; /* */ ) {
fprintf(stdout, "%02x",
((unsigned char *)target.base)[i]);
if ((++i % 20) == 0)
fputs("\n", stdout);
else
if (i == target.used)
fputs("\n", stdout);
else
fputs(" ", stdout);
}
fputs("\n", stdout);
fflush(stdout);
}
RUNTIME_CHECK(target.used == length);
RUNTIME_CHECK(memcmp(target.base, result, target.used) == 0);
isc_mem_destroy(&mctx);
}
