Differential D15520 Diff 41878 libs/editor/simpleipv6addressvalidator.cpp

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libs/editor/simpleipv6addressvalidator.cpp

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16 16​
17You should have received a copy of the GNU General Public License 17​You should have received a copy of the GNU General Public License
18along with this program. If not, see <http://www.gnu.org/licenses/>. 18​along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/ 19​*/
20 20​
21#include "simpleipv6addressvalidator.h" 21​#include "simpleipv6addressvalidator.h"
22 22​
23#include <QStringList> 23​#include <QStringList>
24​#include <QVector>
24 25​
25SimpleIpV6AddressValidator::SimpleIpV6AddressValidator(QObject *parent) 26​SimpleIpV6AddressValidator::SimpleIpV6AddressValidator(QObject *parent, AddressStyle style)
26 : QValidator(parent) 27​ : QValidator(parent)
28​ , m_addressStyle(style)
27{ 29​{
30​ switch (style) {
31​ case Base:
32​ m_validator.setRegularExpression(QRegularExpression(QLatin1String("([0-9a-fA-F]{1,4}|:)+")));
33​ break;
34​ case WithCidr:
35​ m_validator.setRegularExpression(QRegularExpression(QLatin1String("([0-9a-fA-F]{1,4}|:){2,15}/[0-9]{1,3}")));
36​ break;
37​ case WithPort:
38​ m_validator.setRegularExpression(QRegularExpression(QLatin1String("\\[([0-9a-fA-F]{1,4}|:)+\\]:[0-9]{1,5}")));
39​ }
28} 40​}
29 41​
30SimpleIpV6AddressValidator::~SimpleIpV6AddressValidator() 42​SimpleIpV6AddressValidator::~SimpleIpV6AddressValidator()
31{ 43​{
32} 44​}
33 45​
34QValidator::State SimpleIpV6AddressValidator::validate(QString &address, int &pos) const 46​QValidator::State SimpleIpV6AddressValidator::validate(QString &address, int &pos) const
35{ 47​{
36 if (QValidator::Invalid == checkWithInputMask(address, pos)) { 48​ if (QValidator::Invalid == checkWithInputMask(address, pos))
37 return QValidator::Invalid; 49​ return QValidator::Invalid;
38 } ​
39 50​
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40 return checkTetradsRanges(address); 51​ return checkTetradsRanges(address);
41} 52​}
42 53​
43QValidator::State SimpleIpV6AddressValidator::checkWithInputMask(QString &value, int &pos) const 54​QValidator::State SimpleIpV6AddressValidator::checkWithInputMask(QString &value, int &pos) const
44{ 55​{
45 QRegExpValidator v(QRegExp(QLatin1String("([0-9a-fA-F]{1,4}|:)+")), nullptr); 56​ return m_validator.validate(value, pos);
46 ​
47 return v.validate(value, pos); ​
48} 57​}
49 58​
50QValidator::State SimpleIpV6AddressValidator::checkTetradsRanges(QString &value) const 59​QValidator::State SimpleIpV6AddressValidator::checkTetradsRanges(QString &value) const
51{ 60​{
52 const QStringList addrParts = value.split(QLatin1Char(':')); 61​ QStringList addrParts;
53 int number = addrParts.size(); 62​ QStringList cidrParts;
54 if (number > 8) { 63​ QStringList portParts;
64​ bool foundBracket = false;
65​ QValidator::State result = QValidator::Acceptable;
66​
67​ switch (m_addressStyle) {
68​ case Base:
69​ addrParts = value.split(QLatin1Char(':'));
70​ break;
71​
72​ case WithCidr:
73​ cidrParts = value.split(QLatin1Char('/'));
74​ addrParts = cidrParts[0].split(QLatin1Char(':'));
75​ break;
76​
77​ case WithPort:
78​ if (value.isEmpty())
79​ return QValidator::Intermediate;
80​ if (value[0] != '[') {
81​ return QValidator::Invalid;
82​ } else {
83​ // Input: "[1:2:3:4:5:6:7:8]:123"
84​ // bracketParts: "[1:2:3:4:5:6:7:8" , ":123"
85​ // addrParts: "" , "1:2:3:4:5:6:7:8"
86​ // portParts: "", "123"
87​ QStringList bracketParts = value.split(QLatin1Char(']'));
88​ if (bracketParts.size() < 2)
89​ portParts = QStringList();
90​ else {
91​ foundBracket = true;
92​ if (!bracketParts[1].isEmpty() && bracketParts[1][0] != ':')
55 return QValidator::Invalid; 93​ return QValidator::Invalid;
94​ else
95​ portParts = bracketParts[1].split(QLatin1Char(':'));
56 } 96​ }
97​ addrParts = bracketParts[0].split(QLatin1Char('['))[1].split(QLatin1Char(':'));
98​ }
99​ }
100​
101​ int number = addrParts.size();
102​ // There is no case where can be more than 8 colons (9 parts)
103​ // and only one unusual case where there are 8 colons (1:2:3:4:5:6:7::)
104​ if (number > 9)
105​ return QValidator::Invalid;
106​ else if (number == 9 && (!addrParts[7].isEmpty() || !addrParts[8].isEmpty()))
107​ return QValidator::Invalid;
57 108​
58 // lets check address parts 109​ // lets check address parts
59 bool emptypresent = false; 110​ bool emptypresent = false;
60 int i = 1; 111​ int i = 1;
61 Q_FOREACH (QString part, addrParts) { // krazy:exclude=Q_FOREACH 112​ for (QString part : addrParts) { // krazy:exclude=Q_FOREACH
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pino: as above, unrelated change
62 if (part.isEmpty() && i < number) { 113​ if (part.isEmpty() && i < number) {
63 if (emptypresent) { 114​ // There is only one case where you can have 3 empty parts
115​ // and that is when you have the string: "::" which is valid
116​ // and useful and of course it can also be extended to ::123 for
117​ // instance. Anywhere other than the beginning though, having 3 empty
118​ // parts indicates either a run of 3 colons ("1:::6")" or two sets of
119​ // 2 colons ("1:2::3:4::") which are always invalid
120​ if (emptypresent && i != 2) {
64 // qCDebug(PLASMA_NM) << "part.isEmpty()"; 121​ // qCDebug(PLASMA_NM) << "part.isEmpty()";
65 return QValidator::Invalid; 122​ return QValidator::Invalid;
66 } 123​ } else {
67 else if (!emptypresent) 124​ // If this is an empty part then set it to zero to not fail
68 { 125​ // the next test
69 part.setNum(0,16); 126​ part.setNum(0,16);
70 emptypresent = true; 127​ emptypresent = true;
71 } 128​ }
72 } 129​ }
73 i++; 130​ i++;
74 131​
75 bool ok; 132​ bool ok;
76 if (part.toInt(&ok, 16) > 65535) { 133​ if (part.toInt(&ok, 16) > 65535) {
77 return QValidator::Invalid; 134​ return QValidator::Invalid;
78 } 135​ }
79 } 136​ }
80 137​
81 if (number < 8 && !emptypresent) 138​ // A special case: a single colon needs to be Intermediate not Acceptable
139​ if (number == 2 && addrParts[0].isEmpty() && addrParts[1].isEmpty())
140​ result = QValidator::Intermediate;
141​
142​ // Another special case: a single colon followed by something (i.e. ":123"
143​ // is invalid
144​ else if (number > 1 && addrParts[0].isEmpty() && !addrParts[1].isEmpty())
145​ result = QValidator::Invalid;
146​
147​ // If we don't have 8 parts yet and none of them are empty we aren't done yet
148​ else if (number < 8 && !emptypresent)
149​ result = QValidator::Intermediate;
150​
151​ // If we have 8 parts but the last one is empty we aren't done yet
152​ else if (number == 8 && addrParts[7].isEmpty())
153​ result = QValidator::Intermediate;
154​
155​ if (m_addressStyle == WithCidr) {
156​ int cidrSize = cidrParts.size();
157​
158​ // If we have a '/' and the basic address portion is not
159​ // yet complete (i.e. Intermediate) then the whole thing is Invalid
160​ if (cidrSize == 2 && result == QValidator::Intermediate)
161​ return QValidator::Invalid;
162​
163​ if (cidrSize == 1 || (cidrSize == 2 && cidrParts[1].isEmpty()))
82 return QValidator::Intermediate; 164​ return QValidator::Intermediate;
83 165​
84 return QValidator::Acceptable; 166​ int cidrValue = cidrParts[1].toInt();
167​ if (cidrValue > 128)
168​ return QValidator::Invalid;
169​ } else if (m_addressStyle == WithPort) {
170​ int portSize = portParts.size();
171​
172​ // If we have a ']' and the basic address portion is not
173​ // yet complete (i.e. Intermediate) then the whole thing is Invalid
174​ if (foundBracket && result == QValidator::Intermediate)
175​ return QValidator::Invalid;
176​
177​ if (portSize < 2 || (portSize == 2 && portParts[1].isEmpty())) {
178​ return QValidator::Intermediate;
179​ } else {
180​ int portValue = portParts[1].toInt();
181​ if (portValue > 65535)
182​ return QValidator::Invalid;
183​ }
184​ }
185​ return result;
85} 186​}