本文整理汇总了C++中dns_rdataset_next函数的典型用法代码示例。如果您正苦于以下问题:C++ dns_rdataset_next函数的具体用法?C++ dns_rdataset_next怎么用?C++ dns_rdataset_next使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了dns_rdataset_next函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: setresign
static isc_stdtime_t
setresign(dns_rdataset_t *modified) {
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdata_rrsig_t sig;
isc_stdtime_t when;
isc_result_t result;
result = dns_rdataset_first(modified);
INSIST(result == ISC_R_SUCCESS);
dns_rdataset_current(modified, &rdata);
(void)dns_rdata_tostruct(&rdata, &sig, NULL);
if ((rdata.flags & DNS_RDATA_OFFLINE) != 0)
when = 0;
else
when = sig.timeexpire;
dns_rdata_reset(&rdata);
result = dns_rdataset_next(modified);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(modified, &rdata);
(void)dns_rdata_tostruct(&rdata, &sig, NULL);
if ((rdata.flags & DNS_RDATA_OFFLINE) != 0) {
goto next_rr;
}
if (when == 0 || sig.timeexpire < when)
when = sig.timeexpire;
next_rr:
dns_rdata_reset(&rdata);
result = dns_rdataset_next(modified);
}
INSIST(result == ISC_R_NOMORE);
return (when);
}
开发者ID:ajinkya93,项目名称:netbsd-src,代码行数:33,代码来源:diff.c
示例2: dns_rdataset_additionaldata
isc_result_t
dns_rdataset_additionaldata(dns_rdataset_t *rdataset,
dns_additionaldatafunc_t add, void *arg)
{
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_result_t result;
/*
* For each rdata in rdataset, call 'add' for each name and type in the
* rdata which is subject to additional section processing.
*/
REQUIRE(DNS_RDATASET_VALID(rdataset));
REQUIRE((rdataset->attributes & DNS_RDATASETATTR_QUESTION) == 0);
result = dns_rdataset_first(rdataset);
if (result != ISC_R_SUCCESS)
return (result);
do {
dns_rdataset_current(rdataset, &rdata);
result = dns_rdata_additionaldata(&rdata, add, arg);
if (result == ISC_R_SUCCESS)
result = dns_rdataset_next(rdataset);
dns_rdata_reset(&rdata);
} while (result == ISC_R_SUCCESS);
if (result != ISC_R_NOMORE)
return (result);
return (ISC_R_SUCCESS);
}
开发者ID:zhongliangkang,项目名称:bind9.9.4,代码行数:32,代码来源:rdataset.c
示例3: fill_array
static isc_result_t
fill_array(int *pos, dns_rdataset_t *rdataset,
int size, unsigned char **rdatas, lwres_uint16_t *rdatalen)
{
dns_rdata_t rdata;
isc_result_t result;
isc_region_t r;
UNUSED(size);
dns_rdata_init(&rdata);
for (result = dns_rdataset_first(rdataset);
result == ISC_R_SUCCESS;
result = dns_rdataset_next(rdataset))
{
INSIST(*pos < size);
dns_rdataset_current(rdataset, &rdata);
dns_rdata_toregion(&rdata, &r);
rdatas[*pos] = r.base;
rdatalen[*pos] = r.length;
dns_rdata_reset(&rdata);
(*pos)++;
}
if (result == ISC_R_NOMORE)
result = ISC_R_SUCCESS;
return (result);
}
开发者ID:VargMon,项目名称:netbsd-cvs-mirror,代码行数:27,代码来源:lwdgrbn.c
示例4: dns_nsec_nseconly
isc_result_t
dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version,
isc_boolean_t *answer)
{
dns_dbnode_t *node = NULL;
dns_rdataset_t rdataset;
dns_rdata_dnskey_t dnskey;
isc_result_t result;
REQUIRE(answer != NULL);
dns_rdataset_init(&rdataset);
result = dns_db_getoriginnode(db, &node);
if (result != ISC_R_SUCCESS)
return (result);
result = dns_db_findrdataset(db, node, version, dns_rdatatype_dnskey,
0, 0, &rdataset, NULL);
dns_db_detachnode(db, &node);
if (result == ISC_R_NOTFOUND) {
*answer = ISC_FALSE;
return (ISC_R_SUCCESS);
}
if (result != ISC_R_SUCCESS)
return (result);
for (result = dns_rdataset_first(&rdataset);
result == ISC_R_SUCCESS;
result = dns_rdataset_next(&rdataset)) {
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdataset_current(&rdataset, &rdata);
result = dns_rdata_tostruct(&rdata, &dnskey, NULL);
RUNTIME_CHECK(result == ISC_R_SUCCESS);
if (dnskey.algorithm == DST_ALG_RSAMD5 ||
dnskey.algorithm == DST_ALG_RSASHA1 ||
dnskey.algorithm == DST_ALG_DSA ||
dnskey.algorithm == DST_ALG_ECC)
break;
}
dns_rdataset_disassociate(&rdataset);
if (result == ISC_R_SUCCESS)
*answer = ISC_TRUE;
if (result == ISC_R_NOMORE) {
*answer = ISC_FALSE;
result = ISC_R_SUCCESS;
}
return (result);
}
开发者ID:mnagy,项目名称:bind-dynamic_db,代码行数:51,代码来源:nsec.c
示例5: db_rr_iterator_next
static isc_result_t
db_rr_iterator_next(db_rr_iterator_t *it) {
if (it->result != ISC_R_SUCCESS)
return (it->result);
INSIST(it->dbit != NULL);
INSIST(it->node != NULL);
INSIST(it->rdatasetit != NULL);
it->result = dns_rdataset_next(&it->rdataset);
if (it->result == ISC_R_NOMORE) {
dns_rdataset_disassociate(&it->rdataset);
it->result = dns_rdatasetiter_next(it->rdatasetit);
/*
* The while loop body is executed more than once
* only when an empty dbnode needs to be skipped.
*/
while (it->result == ISC_R_NOMORE) {
dns_rdatasetiter_destroy(&it->rdatasetit);
dns_db_detachnode(it->db, &it->node);
it->result = dns_dbiterator_next(it->dbit);
if (it->result == ISC_R_NOMORE) {
/* We are at the end of the entire database. */
return (it->result);
}
if (it->result != ISC_R_SUCCESS)
return (it->result);
it->result = dns_dbiterator_current(it->dbit,
&it->node,
dns_fixedname_name(&it->fixedname));
if (it->result != ISC_R_SUCCESS)
return (it->result);
it->result = dns_db_allrdatasets(it->db, it->node,
it->ver, it->now,
&it->rdatasetit);
if (it->result != ISC_R_SUCCESS)
return (it->result);
it->result = dns_rdatasetiter_first(it->rdatasetit);
}
if (it->result != ISC_R_SUCCESS)
return (it->result);
dns_rdatasetiter_current(it->rdatasetit, &it->rdataset);
it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER;
it->result = dns_rdataset_first(&it->rdataset);
if (it->result != ISC_R_SUCCESS)
return (it->result);
}
return (it->result);
}
开发者ID:mnagy,项目名称:bind-dynamic_db,代码行数:49,代码来源:xfrout.c
示例6: dns_rriterator_next
isc_result_t
dns_rriterator_next(dns_rriterator_t *it) {
REQUIRE(VALID_RRITERATOR(it));
if (it->result != ISC_R_SUCCESS)
return (it->result);
INSIST(it->dbit != NULL);
INSIST(it->node != NULL);
INSIST(it->rdatasetit != NULL);
it->result = dns_rdataset_next(&it->rdataset);
if (it->result == ISC_R_NOMORE)
return (dns_rriterator_nextrrset(it));
return (it->result);
}
开发者ID:w796933,项目名称:bind99damp,代码行数:15,代码来源:rriterator.c
示例7: inrrset
static isc_boolean_t
inrrset(dns_rdataset_t *rrset, dns_rdata_t *rdata) {
isc_result_t result;
dns_rdata_t current = DNS_RDATA_INIT;
result = dns_rdataset_first(rrset);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(rrset, ¤t);
if (dns_rdata_compare(rdata, ¤t) == 0)
return (ISC_TRUE);
dns_rdata_reset(¤t);
result = dns_rdataset_next(rrset);
}
return (ISC_FALSE);
}
开发者ID:execunix,项目名称:vinos,代码行数:15,代码来源:rootns.c
示例8: short_answer
/*%
* short_form message print handler. Calls above say_message()
*/
static isc_result_t
short_answer(dns_message_t *msg, dns_messagetextflag_t flags,
isc_buffer_t *buf, dig_query_t *query)
{
dns_name_t *name;
dns_rdataset_t *rdataset;
isc_result_t result, loopresult;
dns_name_t empty_name;
dns_rdata_t rdata = DNS_RDATA_INIT;
UNUSED(flags);
dns_name_init(&empty_name, NULL);
result = dns_message_firstname(msg, DNS_SECTION_ANSWER);
if (result == ISC_R_NOMORE)
return (ISC_R_SUCCESS);
else if (result != ISC_R_SUCCESS)
return (result);
for (;;) {
name = NULL;
dns_message_currentname(msg, DNS_SECTION_ANSWER, &name);
for (rdataset = ISC_LIST_HEAD(name->list);
rdataset != NULL;
rdataset = ISC_LIST_NEXT(rdataset, link)) {
loopresult = dns_rdataset_first(rdataset);
while (loopresult == ISC_R_SUCCESS) {
dns_rdataset_current(rdataset, &rdata);
result = say_message(&rdata, query,
buf);
if (result == ISC_R_NOSPACE)
return (result);
check_result(result, "say_message");
loopresult = dns_rdataset_next(rdataset);
dns_rdata_reset(&rdata);
}
}
result = dns_message_nextname(msg, DNS_SECTION_ANSWER);
if (result == ISC_R_NOMORE)
break;
else if (result != ISC_R_SUCCESS)
return (result);
}
return (ISC_R_SUCCESS);
}
开发者ID:Gradwell,项目名称:bind9,代码行数:50,代码来源:dig.c
示例9: copy_rdataset
static inline isc_result_t
copy_rdataset(dns_rdataset_t *rdataset, isc_buffer_t *buffer) {
isc_result_t result;
unsigned int count;
isc_region_t ar, r;
dns_rdata_t rdata = DNS_RDATA_INIT;
/*
* Copy the rdataset count to the buffer.
*/
isc_buffer_availableregion(buffer, &ar);
if (ar.length < 2)
return (ISC_R_NOSPACE);
count = dns_rdataset_count(rdataset);
INSIST(count <= 65535);
isc_buffer_putuint16(buffer, (isc_uint16_t)count);
result = dns_rdataset_first(rdataset);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(rdataset, &rdata);
dns_rdata_toregion(&rdata, &r);
INSIST(r.length <= 65535);
isc_buffer_availableregion(buffer, &ar);
if (ar.length < 2)
return (ISC_R_NOSPACE);
/*
* Copy the rdata length to the buffer.
*/
isc_buffer_putuint16(buffer, (isc_uint16_t)r.length);
/*
* Copy the rdata to the buffer.
*/
result = isc_buffer_copyregion(buffer, &r);
if (result != ISC_R_SUCCESS)
return (result);
dns_rdata_reset(&rdata);
result = dns_rdataset_next(rdataset);
}
if (result != ISC_R_NOMORE)
return (result);
return (ISC_R_SUCCESS);
}
开发者ID:chris-wood,项目名称:bind-prime,代码行数:43,代码来源:ncache.c
示例10: dns_db_getsoaserial
isc_result_t
dns_db_getsoaserial(dns_db_t *db, dns_dbversion_t *ver, isc_uint32_t *serialp)
{
isc_result_t result;
dns_dbnode_t *node = NULL;
dns_rdataset_t rdataset;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_buffer_t buffer;
REQUIRE(dns_db_iszone(db) || dns_db_isstub(db));
result = dns_db_findnode(db, dns_db_origin(db), ISC_FALSE, &node);
if (result != ISC_R_SUCCESS)
return (result);
dns_rdataset_init(&rdataset);
result = dns_db_findrdataset(db, node, ver, dns_rdatatype_soa, 0,
(isc_stdtime_t)0, &rdataset, NULL);
if (result != ISC_R_SUCCESS)
goto freenode;
result = dns_rdataset_first(&rdataset);
if (result != ISC_R_SUCCESS)
goto freerdataset;
dns_rdataset_current(&rdataset, &rdata);
result = dns_rdataset_next(&rdataset);
INSIST(result == ISC_R_NOMORE);
INSIST(rdata.length > 20);
isc_buffer_init(&buffer, rdata.data, rdata.length);
isc_buffer_add(&buffer, rdata.length);
isc_buffer_forward(&buffer, rdata.length - 20);
*serialp = isc_buffer_getuint32(&buffer);
result = ISC_R_SUCCESS;
freerdataset:
dns_rdataset_disassociate(&rdataset);
freenode:
dns_db_detachnode(db, &node);
return (result);
}
开发者ID:VargMon,项目名称:netbsd-cvs-mirror,代码行数:43,代码来源:db.c
示例11: in_rootns
static isc_result_t
in_rootns(dns_rdataset_t *rootns, dns_name_t *name) {
isc_result_t result;
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdata_ns_t ns;
if (!dns_rdataset_isassociated(rootns))
return (ISC_R_NOTFOUND);
result = dns_rdataset_first(rootns);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(rootns, &rdata);
result = dns_rdata_tostruct(&rdata, &ns, NULL);
if (result != ISC_R_SUCCESS)
return (result);
if (dns_name_compare(name, &ns.name) == 0)
return (ISC_R_SUCCESS);
result = dns_rdataset_next(rootns);
}
if (result == ISC_R_NOMORE)
result = ISC_R_NOTFOUND;
return (result);
}
开发者ID:miettal,项目名称:armadillo420_standard,代码行数:23,代码来源:rootns.c
示例12: rdataset_to_sortedarray
/*
* Sort the rdataset into an array.
*/
static isc_result_t
rdataset_to_sortedarray(dns_rdataset_t *set, isc_mem_t *mctx,
dns_rdata_t **rdata, int *nrdata)
{
isc_result_t ret;
int i = 0, n;
dns_rdata_t *data;
n = dns_rdataset_count(set);
data = isc_mem_get(mctx, n * sizeof(dns_rdata_t));
if (data == NULL)
return (ISC_R_NOMEMORY);
ret = dns_rdataset_first(set);
if (ret != ISC_R_SUCCESS) {
isc_mem_put(mctx, data, n * sizeof(dns_rdata_t));
return (ret);
}
/*
* Put them in the array.
*/
do {
dns_rdata_init(&data[i]);
dns_rdataset_current(set, &data[i++]);
} while (dns_rdataset_next(set) == ISC_R_SUCCESS);
/*
* Sort the array.
*/
qsort(data, n, sizeof(dns_rdata_t), rdata_compare_wrapper);
*rdata = data;
*nrdata = n;
return (ISC_R_SUCCESS);
}
开发者ID:OPSF,项目名称:uClinux,代码行数:39,代码来源:dnssec.c
示例13: dns_ncache_getsigrdataset
isc_result_t
dns_ncache_getsigrdataset(dns_rdataset_t *ncacherdataset, dns_name_t *name,
dns_rdatatype_t covers, dns_rdataset_t *rdataset)
{
dns_name_t tname;
dns_rdata_rrsig_t rrsig;
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdataset_t clone;
dns_rdatatype_t type;
dns_trust_t trust = dns_trust_none;
isc_buffer_t source;
isc_region_t remaining, sigregion;
isc_result_t result;
unsigned char *raw;
unsigned int count;
REQUIRE(ncacherdataset != NULL);
REQUIRE(ncacherdataset->type == 0);
REQUIRE((ncacherdataset->attributes & DNS_RDATASETATTR_NEGATIVE) != 0);
REQUIRE(name != NULL);
REQUIRE(!dns_rdataset_isassociated(rdataset));
dns_rdataset_init(&clone);
dns_rdataset_clone(ncacherdataset, &clone);
result = dns_rdataset_first(&clone);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&clone, &rdata);
isc_buffer_init(&source, rdata.data, rdata.length);
isc_buffer_add(&source, rdata.length);
dns_name_init(&tname, NULL);
isc_buffer_remainingregion(&source, &remaining);
dns_name_fromregion(&tname, &remaining);
INSIST(remaining.length >= tname.length);
isc_buffer_forward(&source, tname.length);
isc_region_consume(&remaining, tname.length);
INSIST(remaining.length >= 2);
type = isc_buffer_getuint16(&source);
isc_region_consume(&remaining, 2);
if (type != dns_rdatatype_rrsig ||
!dns_name_equal(&tname, name)) {
result = dns_rdataset_next(&clone);
dns_rdata_reset(&rdata);
continue;
}
INSIST(remaining.length >= 1);
trust = isc_buffer_getuint8(&source);
INSIST(trust <= dns_trust_ultimate);
isc_region_consume(&remaining, 1);
raw = remaining.base;
count = raw[0] * 256 + raw[1];
INSIST(count > 0);
raw += 2;
sigregion.length = raw[0] * 256 + raw[1];
raw += 2;
sigregion.base = raw;
dns_rdata_reset(&rdata);
dns_rdata_fromregion(&rdata, rdataset->rdclass,
dns_rdatatype_rrsig, &sigregion);
(void)dns_rdata_tostruct(&rdata, &rrsig, NULL);
if (rrsig.covered == covers) {
isc_buffer_remainingregion(&source, &remaining);
break;
}
result = dns_rdataset_next(&clone);
dns_rdata_reset(&rdata);
}
dns_rdataset_disassociate(&clone);
if (result == ISC_R_NOMORE)
return (ISC_R_NOTFOUND);
if (result != ISC_R_SUCCESS)
return (result);
INSIST(remaining.length != 0);
rdataset->methods = &rdataset_methods;
rdataset->rdclass = ncacherdataset->rdclass;
rdataset->type = dns_rdatatype_rrsig;
rdataset->covers = covers;
rdataset->ttl = ncacherdataset->ttl;
rdataset->trust = trust;
rdataset->private1 = NULL;
rdataset->private2 = NULL;
rdataset->private3 = remaining.base;
/*
* Reset iterator state.
*/
rdataset->privateuint4 = 0;
rdataset->private5 = NULL;
rdataset->private6 = NULL;
return (ISC_R_SUCCESS);
}
开发者ID:chris-wood,项目名称:bind-prime,代码行数:98,代码来源:ncache.c
示例14: main
//.........这里部分代码省略.........
sql = sqlite3_mprintf("DROP TABLE %q ", dbi.table);
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
#if 0
if (res != SQLITE_OK) {
fprintf(stderr, "DROP TABLE %s failed: %s\n",
dbi.table, errmsg);
}
#endif
#if 0
sql = sqlite3_mprintf(sql, "BEGIN TRANSACTION");
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
if (res != SQLITE_OK) {
fprintf(stderr, "BEGIN TRANSACTION failed: %s\n", errmsg);
closeandexit(1);
}
#endif
sql = sqlite3_mprintf(
"CREATE TABLE %q "
"(NAME TEXT, TTL INTEGER, RDTYPE TEXT, RDATA TEXT) ",
dbi.table);
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
if (res != SQLITE_OK) {
fprintf(stderr, "CREATE TABLE %s failed: %s\n",
dbi.table, errmsg);
closeandexit(1);
}
dbiter = NULL;
result = dns_db_createiterator(db, 0, &dbiter);
check_result(result, "dns_db_createiterator()");
result = dns_dbiterator_first(dbiter);
check_result(result, "dns_dbiterator_first");
dns_fixedname_init(&fname);
name = dns_fixedname_name(&fname);
dns_rdataset_init(&rdataset);
dns_rdata_init(&rdata);
while (result == ISC_R_SUCCESS) {
node = NULL;
result = dns_dbiterator_current(dbiter, &node, name);
if (result == ISC_R_NOMORE)
break;
check_result(result, "dns_dbiterator_current");
rdsiter = NULL;
result = dns_db_allrdatasets(db, node, NULL, 0, &rdsiter);
check_result(result, "dns_db_allrdatasets");
result = dns_rdatasetiter_first(rdsiter);
while (result == ISC_R_SUCCESS) {
dns_rdatasetiter_current(rdsiter, &rdataset);
result = dns_rdataset_first(&rdataset);
check_result(result, "dns_rdataset_first");
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&rdataset, &rdata);
addrdata(name, rdataset.ttl, &rdata);
dns_rdata_reset(&rdata);
result = dns_rdataset_next(&rdataset);
}
dns_rdataset_disassociate(&rdataset);
result = dns_rdatasetiter_next(rdsiter);
}
dns_rdatasetiter_destroy(&rdsiter);
dns_db_detachnode(db, &node);
result = dns_dbiterator_next(dbiter);
}
#if 0
sql = sqlite3_mprintf(sql, "COMMIT TRANSACTION ");
printf("%s\n", sql);
res = sqlite3_exec(dbi.db, sql, NULL, NULL, &errmsg);
sqlite3_free(sql);
if (res != SQLITE_OK) {
fprintf(stderr, "COMMIT TRANSACTION failed: %s\n", errmsg);
closeandexit(1);
}
#endif
dns_dbiterator_destroy(&dbiter);
dns_db_detach(&db);
isc_hash_destroy();
isc_entropy_detach(&ectx);
isc_mem_destroy(&mctx);
closeandexit(0);
exit(0);
}
开发者ID:ElRevo,项目名称:xia-core,代码行数:101,代码来源:zone2sqlite.c
示例15: dns_ncache_getrdataset
isc_result_t
dns_ncache_getrdataset(dns_rdataset_t *ncacherdataset, dns_name_t *name,
dns_rdatatype_t type, dns_rdataset_t *rdataset)
{
isc_result_t result;
dns_rdata_t rdata = DNS_RDATA_INIT;
isc_region_t remaining;
isc_buffer_t source;
dns_name_t tname;
dns_rdatatype_t ttype;
dns_trust_t trust = dns_trust_none;
dns_rdataset_t clone;
REQUIRE(ncacherdataset != NULL);
REQUIRE(ncacherdataset->type == 0);
REQUIRE((ncacherdataset->attributes & DNS_RDATASETATTR_NEGATIVE) != 0);
REQUIRE(name != NULL);
REQUIRE(!dns_rdataset_isassociated(rdataset));
REQUIRE(type != dns_rdatatype_rrsig);
dns_rdataset_init(&clone);
dns_rdataset_clone(ncacherdataset, &clone);
result = dns_rdataset_first(&clone);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&clone, &rdata);
isc_buffer_init(&source, rdata.data, rdata.length);
isc_buffer_add(&source, rdata.length);
dns_name_init(&tname, NULL);
isc_buffer_remainingregion(&source, &remaining);
dns_name_fromregion(&tname, &remaining);
INSIST(remaining.length >= tname.length);
isc_buffer_forward(&source, tname.length);
remaining.length -= tname.length;
INSIST(remaining.length >= 3);
ttype = isc_buffer_getuint16(&source);
if (ttype == type && dns_name_equal(&tname, name)) {
trust = isc_buffer_getuint8(&source);
INSIST(trust <= dns_trust_ultimate);
isc_buffer_remainingregion(&source, &remaining);
break;
}
result = dns_rdataset_next(&clone);
dns_rdata_reset(&rdata);
}
dns_rdataset_disassociate(&clone);
if (result == ISC_R_NOMORE)
return (ISC_R_NOTFOUND);
if (result != ISC_R_SUCCESS)
return (result);
INSIST(remaining.length != 0);
rdataset->methods = &rdataset_methods;
rdataset->rdclass = ncacherdataset->rdclass;
rdataset->type = type;
rdataset->covers = 0;
rdataset->ttl = ncacherdataset->ttl;
rdataset->trust = trust;
rdataset->private1 = NULL;
rdataset->private2 = NULL;
rdataset->private3 = remaining.base;
/*
* Reset iterator state.
*/
rdataset->privateuint4 = 0;
rdataset->private5 = NULL;
rdataset->private6 = NULL;
return (ISC_R_SUCCESS);
}
开发者ID:chris-wood,项目名称:bind-prime,代码行数:73,代码来源:ncache.c
示例16: dns_ncache_towire
//.........这里部分代码省略.........
dns_rdataset_current(rdataset, &rdata);
isc_buffer_init(&source, rdata.data, rdata.length);
isc_buffer_add(&source, rdata.length);
dns_name_init(&name, NULL);
isc_buffer_remainingregion(&source, &remaining);
dns_name_fromregion(&name, &remaining);
INSIST(remaining.length >= name.length);
isc_buffer_forward(&source, name.length);
remaining.length -= name.length;
INSIST(remaining.length >= 5);
type = isc_buffer_getuint16(&source);
isc_buffer_forward(&source, 1);
rcount = isc_buffer_getuint16(&source);
for (i = 0; i < rcount; i++) {
/*
* Get the length of this rdata and set up an
* rdata structure for it.
*/
isc_buffer_remainingregion(&source, &remaining);
INSIST(remaining.length >= 2);
dns_rdata_reset(&rdata);
rdata.length = isc_buffer_getuint16(&source);
isc_buffer_remainingregion(&source, &remaining);
rdata.data = remaining.base;
rdata.type = type;
rdata.rdclass = rdataset->rdclass;
INSIST(remaining.length >= rdata.length);
isc_buffer_forward(&source, rdata.length);
if ((options & DNS_NCACHETOWIRE_OMITDNSSEC) != 0 &&
dns_rdatatype_isdnssec(type))
continue;
/*
* Write the name.
*/
dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
result = dns_name_towire(&name, cctx, target);
if (result != ISC_R_SUCCESS)
goto rollback;
/*
* See if we have space for type, class, ttl, and
* rdata length. Write the type, class, and ttl.
*/
isc_buffer_availableregion(target, &tavailable);
if (tavailable.length < 10) {
result = ISC_R_NOSPACE;
goto rollback;
}
isc_buffer_putuint16(target, type);
isc_buffer_putuint16(target, rdataset->rdclass);
isc_buffer_putuint32(target, rdataset->ttl);
/*
* Save space for rdata length.
*/
rdlen = *target;
isc_buffer_add(target, 2);
/*
* Write the rdata.
*/
result = dns_rdata_towire(&rdata, cctx, target);
if (result != ISC_R_SUCCESS)
goto rollback;
/*
* Set the rdata length field to the compressed
* length.
*/
INSIST((target->used >= rdlen.used + 2) &&
(target->used - rdlen.used - 2 < 65536));
isc_buffer_putuint16(&rdlen,
(isc_uint16_t)(target->used -
rdlen.used - 2));
count++;
}
INSIST(isc_buffer_remaininglength(&source) == 0);
result = dns_rdataset_next(rdataset);
dns_rdata_reset(&rdata);
}
if (result != ISC_R_NOMORE)
goto rollback;
*countp = count;
return (ISC_R_SUCCESS);
rollback:
INSIST(savedbuffer.used < 65536);
dns_compress_rollback(cctx, (isc_uint16_t)savedbuffer.used);
*countp = 0;
*target = savedbuffer;
return (result);
}
开发者ID:chris-wood,项目名称:bind-prime,代码行数:101,代码来源:ncache.c
示例17: dns_root_checkhints
void
dns_root_checkhints(dns_view_t *view, dns_db_t *hints, dns_db_t *db) {
isc_result_t result;
dns_rdata_t rdata = DNS_RDATA_INIT;
dns_rdata_ns_t ns;
dns_rdataset_t hintns, rootns;
const char *viewname = "", *sep = "";
isc_stdtime_t now;
dns_name_t *name;
dns_fixedname_t fixed;
REQUIRE(hints != NULL);
REQUIRE(db != NULL);
REQUIRE(view != NULL);
isc_stdtime_get(&now);
if (strcmp(view->name, "_bind") != 0 &&
strcmp(view->name, "_default") != 0) {
viewname = view->name;
sep = ": view ";
}
dns_rdataset_init(&hintns);
dns_rdataset_init(&rootns);
dns_fixedname_init(&fixed);
name = dns_fixedname_name(&fixed);
result = dns_db_find(hints, dns_rootname, NULL, dns_rdatatype_ns, 0,
now, NULL, name, &hintns, NULL);
if (result != ISC_R_SUCCESS) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
DNS_LOGMODULE_HINTS, ISC_LOG_WARNING,
"checkhints%s%s: unable to get root NS rrset "
"from hints: %s", sep, viewname,
dns_result_totext(result));
goto cleanup;
}
result = dns_db_find(db, dns_rootname, NULL, dns_rdatatype_ns, 0,
now, NULL, name, &rootns, NULL);
if (result != ISC_R_SUCCESS) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
DNS_LOGMODULE_HINTS, ISC_LOG_WARNING,
"checkhints%s%s: unable to get root NS rrset "
"from cache: %s", sep, viewname,
dns_result_totext(result));
goto cleanup;
}
/*
* Look for missing root NS names.
*/
result = dns_rdataset_first(&rootns);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&rootns, &rdata);
result = dns_rdata_tostruct(&rdata, &ns, NULL);
RUNTIME_CHECK(result == ISC_R_SUCCESS);
result = in_rootns(&hintns, &ns.name);
if (result != ISC_R_SUCCESS) {
char namebuf[DNS_NAME_FORMATSIZE];
/* missing from hints */
dns_name_format(&ns.name, namebuf, sizeof(namebuf));
isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
DNS_LOGMODULE_HINTS, ISC_LOG_WARNING,
"checkhints%s%s: unable to find root "
"NS '%s' in hints", sep, viewname,
namebuf);
} else
check_address_records(view, hints, db, &ns.name, now);
dns_rdata_reset(&rdata);
result = dns_rdataset_next(&rootns);
}
if (result != ISC_R_NOMORE) {
goto cleanup;
}
/*
* Look for extra root NS names.
*/
result = dns_rdataset_first(&hintns);
while (result == ISC_R_SUCCESS) {
dns_rdataset_current(&hintns, &rdata);
result = dns_rdata_tostruct(&rdata, &ns, NULL);
RUNTIME_CHECK(result == ISC_R_SUCCESS);
result = in_rootns(&rootns, &ns.name);
if (result != ISC_R_SUCCESS) {
char namebuf[DNS_NAME_FORMATSIZE];
/* extra entry in hints */
dns_name_format(&ns.name, namebuf, sizeof(namebuf));
isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
DNS_LOGMODULE_HINTS, ISC_LOG_WARNING,
"checkhints%s%s: extra NS '%s' in hints",
sep, viewname, namebuf);
}
dns_rdata_reset(&rdata);
result = dns_rdataset_next(&hintns);
}
if (result != ISC_R_NOMORE) {
goto cleanup;
//.........这里部分代码省略.........
开发者ID:execunix,项目名称:vinos,代码行数:101,代码来源:rootns.c
示例18: process_dhtkey
static isc_result_t
process_dhtkey(dns_message_t *msg, dns_name_t *signer, dns_name_t *name,
dns_rdata_tkey_t *tkeyin, dns_tkeyctx_t *tctx,
dns_rdata_tkey_t *tkeyout,
dns_tsig_keyring_t *ring, dns_namelist_t *namelist)
{
isc_result_t result = ISC_R_SUCCESS;
dns_name_t *keyname, ourname;
dns_rdataset_t *keyset = NULL;
dns_rdata_t keyrdata = DNS_RDATA_INIT, ourkeyrdata = DNS_RDATA_INIT;
isc_boolean_t found_key = ISC_FALSE, found_incompatible = ISC_FALSE;
dst_key_t *pubkey = NULL;
isc_buffer_t ourkeybuf, *shared = NULL;
isc_region_t r, r2, ourkeyr;
unsigned char keydata[DST_KEY_MAXSIZE];
unsigned int sharedsize;
isc_buffer_t secret;
unsigned char *randomdata = NULL, secretdata[256];
dns_ttl_t ttl = 0;
if (tctx->dhkey == NULL) {
tkey_log("process_dhtkey: tkey-dhkey not defined");
tkeyout->error = dns_tsigerror_badalg;
return (DNS_R_REFUSED);
}
if (!dns_name_equal(&tkeyin->algorithm, DNS_TSIG_HMACMD5_NAME)) {
tkey_log("process_dhtkey: algorithms other than "
"hmac-md5 are not supported");
tkeyout->error = dns_tsigerror_badalg;
return (ISC_R_SUCCESS);
}
/*
* Look for a DH KEY record that will work with ours.
*/
for (result = dns_message_firstname(msg, DNS_SECTION_ADDITIONAL);
result == ISC_R_SUCCESS && !found_key;
result = dns_message_nextname(msg, DNS_SECTION_ADDITIONAL)) {
keyname = NULL;
dns_message_currentname(msg, DNS_SECTION_ADDITIONAL, &keyname);
keyset = NULL;
result = dns_message_findtype(keyname, dns_rdatatype_key, 0,
&keyset);
if (result != ISC_R_SUCCESS)
continue;
for (result = dns_rdataset_first(keyset);
result == ISC_R_SUCCESS && !found_key;
result = dns_rdataset_next(keyset)) {
dns_rdataset_current(keyset, &keyrdata);
pubkey = NULL;
result = dns_dnssec_keyfromrdata(keyname, &keyrdata,
msg->mctx, &pubkey);
if (result != ISC_R_SUCCESS) {
dns_rdata_reset(&keyrdata);
continue;
}
if (dst_key_alg(pubkey) == DNS_KEYALG_DH) {
if (dst_key_paramcompare(pubkey, tctx->dhkey))
{
found_key = ISC_TRUE;
ttl = keyset->ttl;
break;
} else
found_incompatible = ISC_TRUE;
}
dst_key_free(&pubkey);
dns_rdata_reset(&keyrdata);
}
}
if (!found_key) {
if (found_incompatible) {
tkey_log("process_dhtkey: found an incompatible key");
tkeyout->error = dns_tsigerror_badkey;
return (ISC_R_SUCCESS);
} else {
tkey_log("process_dhtkey: failed to find a key");
return (DNS_R_FORMERR);
}
}
RETERR(add_rdata_to_list(msg, keyname, &keyrdata, ttl, namelist));
isc_buffer_init(&ourkeybuf, keydata, sizeof(keydata));
RETERR(dst_key_todns(tctx->dhkey, &ourkeybuf));
isc_buffer_usedregion(&ourkeybuf, &ourkeyr);
dns_rdata_fromregion(&ourkeyrdata, dns_rdataclass_any,
dns_rdatatype_key, &ourkeyr);
dns_name_init(&ourname, NULL);
dns_name_clone(dst_key_name(tctx->dhkey), &ourname);
/*
* XXXBEW The TTL should be obtained from the database, if it exists.
*/
RETERR(add_rdata_to_list(msg, &ourname, &ourkeyrdata, 0, namelist));
RETERR(dst_key_secretsize(tctx->dhkey, &sharedsize));
//.........这里部分代码省略.........
开发者ID:chris-wood,项目名称:bind-prime,代码行数:101,代码来源:tkey.c
示例19: resolve_nsaddress
static void
resolve_nsaddress(isc_task_t *task, isc_event_t *event) {
struct probe_trans *trans = event->ev_arg;
dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
dns_name_t *name;
dns_rdataset_t *rdataset;
dns_rdata_t rdata = DNS_RDATA_INIT;
struct probe_ns *pns = trans->current_ns;
isc_result_t result;
REQUIRE(task == probe_task);
REQUIRE(trans->inuse == ISC_TRUE);
REQUIRE(pns != NULL);
INSIST(outstanding_probes > 0);
for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
name = ISC_LIST_NEXT(name, link)) {
for (rdataset = ISC_LIST_HEAD(name->list);
rdataset != NULL;
rdataset = ISC_LIST_NEXT(rdataset, link)) {
(void)print_rdataset(rdataset, name);
if (rdataset->type != dns_rdatatype_a)
continue;
for (result = dns_rdataset_first(rdataset);
result == ISC_R_SUCCESS;
result = dns_rdataset_next(rdataset)) {
dns_rdata_in_a_t rdata_a;
struct server *server;
dns_rdataset_current(rdataset, &rdata);
result = dns_rdata_tostruct(&rdata, &rdata_a,
NULL);
if (result != ISC_R_SUCCESS)
continue;
server = isc_mem_get(mctx, sizeof(*server));
if (server == NULL) {
fprintf(stderr, "resolve_nsaddress: "
"mem_get failed");
result = ISC_R_NOMEMORY;
POST(result);
goto cleanup;
}
isc_sockaddr_fromin(&server->address,
&rdata_a.in_addr, 53);
ISC_LINK_INIT(server, link);
server->result_a = none;
server->result_aaaa = none;
ISC_LIST_APPEND(pns->servers, server, link);
}
}
}
cleanup:
dns_client_freeresanswer(client, &rev->answerlist);
dns_client_destroyrestrans(&trans->resid);
isc_event_free(&event);
next_ns:
trans->current_ns = ISC_LIST_NEXT(pns, link);
if (trans->current_ns == NULL) {
trans->current_ns = ISC_LIST_HEAD(trans->nslist);
dns_fixedname_invalidate(&trans->fixedname);
trans->qname = NULL;
result = set_nextqname(trans);
if (result == ISC_R_SUCCESS)
result = probe_name(trans, dns_rdatatype_a);
} else {
result = fetch_nsaddress(trans);
if (result != ISC_R_SUCCESS)
goto next_ns; /* XXX: this is unlikely to succeed */
}
if (result != ISC_R_SUCCESS)
reset_probe(trans);
}
开发者ID:pombredanne,项目名称:NetBSD,代码行数:78,代码来源:nsprobe.c
示例20: printsection
static isc_result_t
printsection(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers,
dns_section_t section) {
isc_result_t result, loopresult;
dns_name_t *name;
dns_rdataset_t *rdataset = NULL;
dns_rdata_t rdata = DNS_RDATA_INIT;
char namebuf[DNS_NAME_FORMATSIZE];
UNUSED(query);
UNUSED(headers);
debug("printsection()");
result = dns_message_firstname(msg, section);
if (result == ISC_R_NOMORE)
return (ISC_R_SUCCESS);
else if (result != ISC_R_SUCCESS)
return (result);
for (;;) {
name = NULL;
dns_message_currentname(msg, section,
&name);
for (rdataset = ISC_LIST_HEAD(name->list);
rdataset != NULL;
rdataset = ISC_LIST_NEXT(rdataset, link)) {
loopresult = dns_rdataset_first(rdataset);
while (loopresult == ISC_R_SUCCESS) {
dns_rdataset_current(rdataset, &rdata);
switch (rdata.type) {
case dns_rdatatype_a:
if (section != DNS_SECTION_ANSWER)
goto def_short_section;
dns_name_format(name, namebuf,
sizeof(namebuf));
printf("Name:\t%s\n", namebuf);
printa(&rdata);
break;
case dns_rdatatype_soa:
dns_name_format(name, namebuf,
sizeof(namebuf));
printf("%s\n", namebuf);
printsoa(&rdata);
break;
default:
def_short_section:
dns_name_format(name, namebuf,
sizeof(namebuf));
printf("%s\t", namebuf);
printrdata(&rdata);
break;
}
dns_rdata_reset(&rdata);
loopresult = dns_rdataset_next(rdataset);
}
}
result = dns_message_nextname(msg, section);
if (result == ISC_R_NOMORE)
break;
else if (result != ISC_R_SUCCESS) {
return (result);
}
}
return (ISC_R_SUCCESS);
}
开发者ID:krichter722,项目名称:bind9,代码行数:65,代码来源:nslookup.c
注:本文中的dns_rdataset_next函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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