qdnslookup_unix.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org>-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the QtNetwork module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL21$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see http://www.qt.io/terms-conditions. For further-
15** information use the contact form at http://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 2.1 or version 3 as published by the Free-
20** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
21** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
22** following information to ensure the GNU Lesser General Public License-
23** requirements will be met: https://www.gnu.org/licenses/lgpl.html and-
24** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.-
25**-
26** As a special exception, The Qt Company gives you certain additional-
27** rights. These rights are described in The Qt Company LGPL Exception-
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qdnslookup_p.h"-
35-
36#include <qlibrary.h>-
37#include <qscopedpointer.h>-
38#include <qurl.h>-
39-
40#include <sys/types.h>-
41#include <netinet/in.h>-
42#include <arpa/nameser.h>-
43#if !defined(Q_OS_OPENBSD)-
44# include <arpa/nameser_compat.h>-
45#endif-
46#include <resolv.h>-
47-
48#if defined(__GNU_LIBRARY__) && !defined(__UCLIBC__)-
49# include <gnu/lib-names.h>-
50#endif-
51-
52QT_BEGIN_NAMESPACE-
53-
54#ifndef QT_NO_LIBRARY-
55-
56#if defined(Q_OS_OPENBSD)-
57typedef struct __res_state* res_state;-
58#endif-
59typedef int (*dn_expand_proto)(const unsigned char *, const unsigned char *, const unsigned char *, char *, int);-
60static dn_expand_proto local_dn_expand = 0;-
61typedef void (*res_nclose_proto)(res_state);-
62static res_nclose_proto local_res_nclose = 0;-
63typedef int (*res_ninit_proto)(res_state);-
64static res_ninit_proto local_res_ninit = 0;-
65typedef int (*res_nquery_proto)(res_state, const char *, int, int, unsigned char *, int);-
66static res_nquery_proto local_res_nquery = 0;-
67-
68// Custom deleter to close resolver state.-
69-
70struct QDnsLookupStateDeleter-
71{-
72 static inline void cleanup(struct __res_state *pointer)-
73 {-
74 local_res_nclose(pointer);-
75 }
executed 84 times by 2 tests: end of block
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
84
76};-
77-
78static bool resolveLibraryInternal()-
79{-
80 QLibrary lib;-
81#ifdef LIBRESOLV_SO-
82 lib.setFileName(QStringLiteral(LIBRESOLV_SO));
executed 2 times by 2 tests: return qstring_literal_temp;
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
2
83 if (!lib.load())
!lib.load()Description
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
84#endif-
85 {-
86 lib.setFileName(QLatin1String("resolv"));-
87 if (!lib.load())
!lib.load()Description
TRUEnever evaluated
FALSEnever evaluated
0
88 return false;
never executed: return false;
0
89 }
never executed: end of block
0
90-
91 local_dn_expand = dn_expand_proto(lib.resolve("__dn_expand"));-
92 if (!local_dn_expand)
!local_dn_expandDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
93 local_dn_expand = dn_expand_proto(lib.resolve("dn_expand"));
never executed: local_dn_expand = dn_expand_proto(lib.resolve("dn_expand"));
0
94-
95 local_res_nclose = res_nclose_proto(lib.resolve("__res_nclose"));-
96 if (!local_res_nclose)
!local_res_ncloseDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
97 local_res_nclose = res_nclose_proto(lib.resolve("res_9_nclose"));
never executed: local_res_nclose = res_nclose_proto(lib.resolve("res_9_nclose"));
0
98 if (!local_res_nclose)
!local_res_ncloseDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
99 local_res_nclose = res_nclose_proto(lib.resolve("res_nclose"));
never executed: local_res_nclose = res_nclose_proto(lib.resolve("res_nclose"));
0
100-
101 local_res_ninit = res_ninit_proto(lib.resolve("__res_ninit"));-
102 if (!local_res_ninit)
!local_res_ninitDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
103 local_res_ninit = res_ninit_proto(lib.resolve("res_9_ninit"));
never executed: local_res_ninit = res_ninit_proto(lib.resolve("res_9_ninit"));
0
104 if (!local_res_ninit)
!local_res_ninitDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
105 local_res_ninit = res_ninit_proto(lib.resolve("res_ninit"));
never executed: local_res_ninit = res_ninit_proto(lib.resolve("res_ninit"));
0
106-
107 local_res_nquery = res_nquery_proto(lib.resolve("__res_nquery"));-
108 if (!local_res_nquery)
!local_res_nqueryDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
109 local_res_nquery = res_nquery_proto(lib.resolve("res_9_nquery"));
never executed: local_res_nquery = res_nquery_proto(lib.resolve("res_9_nquery"));
0
110 if (!local_res_nquery)
!local_res_nqueryDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-2
111 local_res_nquery = res_nquery_proto(lib.resolve("res_nquery"));
never executed: local_res_nquery = res_nquery_proto(lib.resolve("res_nquery"));
0
112-
113 return true;
executed 2 times by 2 tests: return true;
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
2
114}-
115Q_GLOBAL_STATIC_WITH_ARGS(bool, resolveLibrary, (resolveLibraryInternal()))
executed 2 times by 2 tests: end of block
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
executed 2 times by 2 tests: guard.store(QtGlobalStatic::Destroyed);
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
executed 84 times by 2 tests: return &holder.value;
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
guard.load() =...c::InitializedDescription
TRUEevaluated 2 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
FALSEnever evaluated
0-84
116-
117void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply)-
118{-
119 // Load dn_expand, res_ninit and res_nquery on demand.-
120 resolveLibrary();-
121-
122 // If dn_expand, res_ninit or res_nquery is missing, fail.-
123 if (!local_dn_expand || !local_res_nclose || !local_res_ninit || !local_res_nquery) {
!local_dn_expandDescription
TRUEnever evaluated
FALSEevaluated 84 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
!local_res_ncloseDescription
TRUEnever evaluated
FALSEevaluated 84 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
!local_res_ninitDescription
TRUEnever evaluated
FALSEevaluated 84 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
!local_res_nqueryDescription
TRUEnever evaluated
FALSEevaluated 84 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-84
124 reply->error = QDnsLookup::ResolverError;-
125 reply->errorString = tr("Resolver functions not found");-
126 return;
never executed: return;
0
127 }-
128-
129 // Initialize state.-
130 struct __res_state state;-
131 memset(&state, 0, sizeof(state));-
132 if (local_res_ninit(&state) < 0) {
local_res_ninit(&state) < 0Description
TRUEnever evaluated
FALSEevaluated 84 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-84
133 reply->error = QDnsLookup::ResolverError;-
134 reply->errorString = tr("Resolver initialization failed");-
135 return;
never executed: return;
0
136 }-
137-
138 //Check if a nameserver was set. If so, use it-
139 if (!nameserver.isNull()) {
!nameserver.isNull()Description
TRUEnever evaluated
FALSEevaluated 84 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-84
140 if (nameserver.protocol() == QAbstractSocket::IPv4Protocol) {
nameserver.pro...::IPv4ProtocolDescription
TRUEnever evaluated
FALSEnever evaluated
0
141 state.nsaddr_list[0].sin_addr.s_addr = htonl(nameserver.toIPv4Address());-
142 state.nscount = 1;-
143 } else if (nameserver.protocol() == QAbstractSocket::IPv6Protocol) {
never executed: end of block
nameserver.pro...::IPv6ProtocolDescription
TRUEnever evaluated
FALSEnever evaluated
0
144#if defined(Q_OS_LINUX)-
145 struct sockaddr_in6 *ns;-
146 ns = state._u._ext.nsaddrs[0];-
147 // nsaddrs will be NULL if no nameserver is set in /etc/resolv.conf-
148 if (!ns) {
!nsDescription
TRUEnever evaluated
FALSEnever evaluated
0
149 // Memory allocated here will be free'd in res_close() as we-
150 // have done res_init() above.-
151 ns = (struct sockaddr_in6*) calloc(1, sizeof(struct sockaddr_in6));-
152 Q_CHECK_PTR(ns);
never executed: qt_check_pointer(__FILE__,152);
!(ns)Description
TRUEnever evaluated
FALSEnever evaluated
0
153 state._u._ext.nsaddrs[0] = ns;-
154 }
never executed: end of block
0
155#ifndef __UCLIBC__-
156 // Set nsmap[] to indicate that nsaddrs[0] is an IPv6 address-
157 // See: https://sourceware.org/ml/libc-hacker/2002-05/msg00035.html-
158 state._u._ext.nsmap[0] = MAXNS + 1;-
159#endif-
160 state._u._ext.nscount6 = 1;-
161 ns->sin6_family = AF_INET6;-
162 ns->sin6_port = htons(53);-
163-
164 Q_IPV6ADDR ipv6Address = nameserver.toIPv6Address();-
165 for (int i=0; i<16; i++) {
i<16Description
TRUEnever evaluated
FALSEnever evaluated
0
166 ns->sin6_addr.s6_addr[i] = ipv6Address[i];-
167 }
never executed: end of block
0
168#else-
169 qWarning("%s", QDnsLookupPrivate::msgNoIpV6NameServerAdresses);-
170 reply->error = QDnsLookup::ResolverError;-
171 reply->errorString = tr(QDnsLookupPrivate::msgNoIpV6NameServerAdresses);-
172 return;-
173#endif-
174 }
never executed: end of block
0
175 }
never executed: end of block
0
176#ifdef QDNSLOOKUP_DEBUG-
177 state.options |= RES_DEBUG;-
178#endif-
179 QScopedPointer<struct __res_state, QDnsLookupStateDeleter> state_ptr(&state);-
180-
181 // Perform DNS query.-
182 unsigned char response[PACKETSZ];-
183 memset(response, 0, sizeof(response));-
184 const int responseLength = local_res_nquery(&state, requestName, C_IN, requestType, response, sizeof(response));-
185-
186 // Check the response header.-
187 HEADER *header = (HEADER*)response;-
188 const int answerCount = ntohs(header->ancount);-
189 switch (header->rcode) {-
190 case NOERROR:
executed 58 times by 2 tests: case ns_r_noerror:
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
58
191 break;
executed 58 times by 2 tests: break;
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
58
192 case FORMERR:
never executed: case ns_r_formerr:
0
193 reply->error = QDnsLookup::InvalidRequestError;-
194 reply->errorString = tr("Server could not process query");-
195 return;
never executed: return;
0
196 case SERVFAIL:
never executed: case ns_r_servfail:
0
197 reply->error = QDnsLookup::ServerFailureError;-
198 reply->errorString = tr("Server failure");-
199 return;
never executed: return;
0
200 case NXDOMAIN:
executed 26 times by 2 tests: case ns_r_nxdomain:
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
26
201 reply->error = QDnsLookup::NotFoundError;-
202 reply->errorString = tr("Non existent domain");-
203 return;
executed 26 times by 2 tests: return;
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
26
204 case REFUSED:
never executed: case ns_r_refused:
0
205 reply->error = QDnsLookup::ServerRefusedError;-
206 reply->errorString = tr("Server refused to answer");-
207 return;
never executed: return;
0
208 default:
never executed: default:
0
209 reply->error = QDnsLookup::InvalidReplyError;-
210 reply->errorString = tr("Invalid reply received");-
211 return;
never executed: return;
0
212 }-
213-
214 // Check the reply is valid.-
215 if (responseLength < int(sizeof(HEADER))) {
responseLength...izeof(HEADER))Description
TRUEnever evaluated
FALSEevaluated 58 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-58
216 reply->error = QDnsLookup::InvalidReplyError;-
217 reply->errorString = tr("Invalid reply received");-
218 return;
never executed: return;
0
219 }-
220-
221 // Skip the query host, type (2 bytes) and class (2 bytes).-
222 char host[PACKETSZ], answer[PACKETSZ];-
223 unsigned char *p = response + sizeof(HEADER);-
224 int status = local_dn_expand(response, response + responseLength, p, host, sizeof(host));-
225 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEevaluated 58 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-58
226 reply->error = QDnsLookup::InvalidReplyError;-
227 reply->errorString = tr("Could not expand domain name");-
228 return;
never executed: return;
0
229 }-
230 p += status + 4;-
231-
232 // Extract results.-
233 int answerIndex = 0;-
234 while ((p < response + responseLength) && (answerIndex < answerCount)) {
(p < response ...esponseLength)Description
TRUEevaluated 98 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
FALSEevaluated 54 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
(answerIndex < answerCount)Description
TRUEevaluated 94 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
4-98
235 status = local_dn_expand(response, response + responseLength, p, host, sizeof(host));-
236 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEevaluated 94 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-94
237 reply->error = QDnsLookup::InvalidReplyError;-
238 reply->errorString = tr("Could not expand domain name");-
239 return;
never executed: return;
0
240 }-
241 const QString name = QUrl::fromAce(host);-
242-
243 p += status;-
244 const quint16 type = (p[0] << 8) | p[1];-
245 p += 2; // RR type-
246 p += 2; // RR class-
247 const quint32 ttl = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];-
248 p += 4;-
249 const quint16 size = (p[0] << 8) | p[1];-
250 p += 2;-
251-
252 if (type == QDnsLookup::A) {
type == QDnsLookup::ADescription
TRUEevaluated 32 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
FALSEevaluated 62 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
32-62
253 if (size != 4) {
size != 4Description
TRUEnever evaluated
FALSEevaluated 32 times by 2 tests
Evaluated by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
0-32
254 reply->error = QDnsLookup::InvalidReplyError;-
255 reply->errorString = tr("Invalid IPv4 address record");-
256 return;
never executed: return;
0
257 }-
258 const quint32 addr = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];-
259 QDnsHostAddressRecord record;-
260 record.d->name = name;-
261 record.d->timeToLive = ttl;-
262 record.d->value = QHostAddress(addr);-
263 reply->hostAddressRecords.append(record);-
264 } else if (type == QDnsLookup::AAAA) {
executed 32 times by 2 tests: end of block
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
type == QDnsLookup::AAAADescription
TRUEevaluated 18 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
FALSEevaluated 44 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
18-44
265 if (size != 16) {
size != 16Description
TRUEnever evaluated
FALSEevaluated 18 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-18
266 reply->error = QDnsLookup::InvalidReplyError;-
267 reply->errorString = tr("Invalid IPv6 address record");-
268 return;
never executed: return;
0
269 }-
270 QDnsHostAddressRecord record;-
271 record.d->name = name;-
272 record.d->timeToLive = ttl;-
273 record.d->value = QHostAddress(p);-
274 reply->hostAddressRecords.append(record);-
275 } else if (type == QDnsLookup::CNAME) {
executed 18 times by 1 test: end of block
Executed by:
  • tst_qdnslookup - unknown status
type == QDnsLookup::CNAMEDescription
TRUEnever evaluated
FALSEevaluated 44 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-44
276 status = local_dn_expand(response, response + responseLength, p, answer, sizeof(answer));-
277 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
278 reply->error = QDnsLookup::InvalidReplyError;-
279 reply->errorString = tr("Invalid canonical name record");-
280 return;
never executed: return;
0
281 }-
282 QDnsDomainNameRecord record;-
283 record.d->name = name;-
284 record.d->timeToLive = ttl;-
285 record.d->value = QUrl::fromAce(answer);-
286 reply->canonicalNameRecords.append(record);-
287 } else if (type == QDnsLookup::NS) {
never executed: end of block
type == QDnsLookup::NSDescription
TRUEevaluated 6 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
FALSEevaluated 38 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-38
288 status = local_dn_expand(response, response + responseLength, p, answer, sizeof(answer));-
289 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-6
290 reply->error = QDnsLookup::InvalidReplyError;-
291 reply->errorString = tr("Invalid name server record");-
292 return;
never executed: return;
0
293 }-
294 QDnsDomainNameRecord record;-
295 record.d->name = name;-
296 record.d->timeToLive = ttl;-
297 record.d->value = QUrl::fromAce(answer);-
298 reply->nameServerRecords.append(record);-
299 } else if (type == QDnsLookup::PTR) {
executed 6 times by 1 test: end of block
Executed by:
  • tst_qdnslookup - unknown status
type == QDnsLookup::PTRDescription
TRUEnever evaluated
FALSEevaluated 38 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-38
300 status = local_dn_expand(response, response + responseLength, p, answer, sizeof(answer));-
301 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
302 reply->error = QDnsLookup::InvalidReplyError;-
303 reply->errorString = tr("Invalid pointer record");-
304 return;
never executed: return;
0
305 }-
306 QDnsDomainNameRecord record;-
307 record.d->name = name;-
308 record.d->timeToLive = ttl;-
309 record.d->value = QUrl::fromAce(answer);-
310 reply->pointerRecords.append(record);-
311 } else if (type == QDnsLookup::MX) {
never executed: end of block
type == QDnsLookup::MXDescription
TRUEevaluated 12 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
FALSEevaluated 26 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-26
312 const quint16 preference = (p[0] << 8) | p[1];-
313 status = local_dn_expand(response, response + responseLength, p + 2, answer, sizeof(answer));-
314 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-12
315 reply->error = QDnsLookup::InvalidReplyError;-
316 reply->errorString = tr("Invalid mail exchange record");-
317 return;
never executed: return;
0
318 }-
319 QDnsMailExchangeRecord record;-
320 record.d->exchange = QUrl::fromAce(answer);-
321 record.d->name = name;-
322 record.d->preference = preference;-
323 record.d->timeToLive = ttl;-
324 reply->mailExchangeRecords.append(record);-
325 } else if (type == QDnsLookup::SRV) {
executed 12 times by 1 test: end of block
Executed by:
  • tst_qdnslookup - unknown status
type == QDnsLookup::SRVDescription
TRUEevaluated 18 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
8-18
326 const quint16 priority = (p[0] << 8) | p[1];-
327 const quint16 weight = (p[2] << 8) | p[3];-
328 const quint16 port = (p[4] << 8) | p[5];-
329 status = local_dn_expand(response, response + responseLength, p + 6, answer, sizeof(answer));-
330 if (status < 0) {
status < 0Description
TRUEnever evaluated
FALSEevaluated 18 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-18
331 reply->error = QDnsLookup::InvalidReplyError;-
332 reply->errorString = tr("Invalid service record");-
333 return;
never executed: return;
0
334 }-
335 QDnsServiceRecord record;-
336 record.d->name = name;-
337 record.d->target = QUrl::fromAce(answer);-
338 record.d->port = port;-
339 record.d->priority = priority;-
340 record.d->timeToLive = ttl;-
341 record.d->weight = weight;-
342 reply->serviceRecords.append(record);-
343 } else if (type == QDnsLookup::TXT) {
executed 18 times by 1 test: end of block
Executed by:
  • tst_qdnslookup - unknown status
type == QDnsLookup::TXTDescription
TRUEevaluated 8 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
FALSEnever evaluated
0-18
344 unsigned char *txt = p;-
345 QDnsTextRecord record;-
346 record.d->name = name;-
347 record.d->timeToLive = ttl;-
348 while (txt < p + size) {
txt < p + sizeDescription
TRUEevaluated 10 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
8-10
349 const unsigned char length = *txt;-
350 txt++;-
351 if (txt + length > p + size) {
txt + length > p + sizeDescription
TRUEnever evaluated
FALSEevaluated 10 times by 1 test
Evaluated by:
  • tst_qdnslookup - unknown status
0-10
352 reply->error = QDnsLookup::InvalidReplyError;-
353 reply->errorString = tr("Invalid text record");-
354 return;
never executed: return;
0
355 }-
356 record.d->values << QByteArray((char*)txt, length);-
357 txt += length;-
358 }
executed 10 times by 1 test: end of block
Executed by:
  • tst_qdnslookup - unknown status
10
359 reply->textRecords.append(record);-
360 }
executed 8 times by 1 test: end of block
Executed by:
  • tst_qdnslookup - unknown status
8
361 p += size;-
362 answerIndex++;-
363 }
executed 94 times by 2 tests: end of block
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
94
364}
executed 58 times by 2 tests: end of block
Executed by:
  • tst_qdnslookup - unknown status
  • tst_qdnslookup_appless - unknown status
58
365-
366#else-
367void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply)-
368{-
369 Q_UNUSED(requestType)-
370 Q_UNUSED(requestName)-
371 Q_UNUSED(nameserver)-
372 reply->error = QDnsLookup::ResolverError;-
373 reply->errorString = tr("Resolver library can't be loaded: No runtime library loading support");-
374 return;-
375}-
376-
377#endif /* ifndef QT_NO_LIBRARY */-
378-
379QT_END_NAMESPACE-
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