Mercurial > trustbridge

annotate ui/certificate.cpp @ 261:7707191ddb01

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
New function to generate certificate name. Use it in debug output.
author Sascha Wilde <wilde@intevation.de>
date Tue, 01 Apr 2014 16:32:35 +0200
parents 825b42da1855
children 64e38886f903
rev   line source
21
dc1e1e9e62ce Add certificate class and use it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
1 #include "certificate.h"
82
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
2 #include <QDebug>
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
3 #include <QStringList>
21
dc1e1e9e62ce Add certificate class and use it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
4 #include <QObject>
dc1e1e9e62ce Add certificate class and use it
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
5
94
f1ebab8639dc Do not save the x509 cert as a member variable
Andre Heinecke <aheinecke@intevation.de>
parents: 83
diff changeset
6 #include <polarssl/x509_crt.h>
f1ebab8639dc Do not save the x509 cert as a member variable
Andre Heinecke <aheinecke@intevation.de>
parents: 83
diff changeset
7
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
8 #define POLARSSL_INFO_BUF_SIZE 2000
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
9
83
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
10 Certificate::Certificate(const QString& b64Line) :
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
11 mValid(false)
81
112228bd7e4b Remove platform specific certificate immplementations.
Andre Heinecke <aheinecke@intevation.de>
parents: 78
diff changeset
12 {
82
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
13 int ret = -1;
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
14 char buf[POLARSSL_INFO_BUF_SIZE];
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
15
94
f1ebab8639dc Do not save the x509 cert as a member variable
Andre Heinecke <aheinecke@intevation.de>
parents: 83
diff changeset
16 x509_crt x509cert;
81
112228bd7e4b Remove platform specific certificate immplementations.
Andre Heinecke <aheinecke@intevation.de>
parents: 78
diff changeset
17
204
825b42da1855 Avoid printing an error when an empty certificate ist constructed
Andre Heinecke <andre.heinecke@intevation.de>
parents: 186
diff changeset
18 if (b64Line.isEmpty()) {
825b42da1855 Avoid printing an error when an empty certificate ist constructed
Andre Heinecke <andre.heinecke@intevation.de>
parents: 186
diff changeset
19 return;
825b42da1855 Avoid printing an error when an empty certificate ist constructed
Andre Heinecke <andre.heinecke@intevation.de>
parents: 186
diff changeset
20 }
825b42da1855 Avoid printing an error when an empty certificate ist constructed
Andre Heinecke <andre.heinecke@intevation.de>
parents: 186
diff changeset
21
83
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
22 /* Cut of the first two chars (e.g. I: and decode) */
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
23 QByteArray asn1data = QByteArray::fromBase64(
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
24 b64Line.right(b64Line.size() - 2).toLatin1());
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
25
94
f1ebab8639dc Do not save the x509 cert as a member variable
Andre Heinecke <aheinecke@intevation.de>
parents: 83
diff changeset
26 x509_crt_init(&x509cert);
f1ebab8639dc Do not save the x509 cert as a member variable
Andre Heinecke <aheinecke@intevation.de>
parents: 83
diff changeset
27 ret = x509_crt_parse(&x509cert,
82
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
28 (const unsigned char*) asn1data.constData(),
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
29 asn1data.size());
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
30 if (ret != 0) {
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
31 qDebug() << "Parsing certificate failed with error: " << ret;
204
825b42da1855 Avoid printing an error when an empty certificate ist constructed
Andre Heinecke <andre.heinecke@intevation.de>
parents: 186
diff changeset
32 qDebug() << "Failed cert: " << asn1data.toBase64();
94
f1ebab8639dc Do not save the x509 cert as a member variable
Andre Heinecke <aheinecke@intevation.de>
parents: 83
diff changeset
33 x509_crt_free(&x509cert);
82
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
34 return;
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
35 }
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
36
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
37 /* Get a full details string */
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
38 ret = x509_crt_info(buf, POLARSSL_INFO_BUF_SIZE, "", &x509cert);
82
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
39
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
40 if (ret <= 0) {
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
41 qDebug() << "Getting certificate info failed with error: " << ret;
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
42 return;
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
43 }
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
44
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
45 /* In case of success the return value is the size of the information
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
46 * written into buf */
83
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
47 mDetails = QString::fromUtf8(buf, ret);
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
48
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
49 /* Get the subject */
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
50 ret = x509_dn_gets(buf, POLARSSL_INFO_BUF_SIZE, &(x509cert.subject));
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
51
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
52 if (ret <= 0) {
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
53 qDebug() << "Getting certificate subject failed with error: " << ret;
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
54 return;
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
55 }
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
56
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
57 /* TODO check that all asn encodings are handled */
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
58 QString subject = QString::fromUtf8(buf, ret);
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
59
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
60 /* TODO check that escaped , are not possible */
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
61 QStringList attrs = subject.split(", ");
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
62
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
63 foreach (const QString& attr, attrs) {
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
64 QStringList kv = attr.split("=");
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
65 if (kv.size() != 2) {
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
66 qDebug() << "Failed to parse subject element: " << attr;
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
67 continue;
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
68 }
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
69 mSubjectAttrs.insert(kv[0], kv[1]);
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
70 }
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
71
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
72 /* For more information to get from a x509_crt see
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
73 * https://polarssl.org/api/x509_8h.html */
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
74
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
75 x509_crt_free(&x509cert);
82
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
76
1f27d6db5ee3 Polarssl based certificate handling
Andre Heinecke <aheinecke@intevation.de>
parents: 81
diff changeset
77 mValid = true;
83
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
78
ba8a548ff252 Expand certificate class to make raw data accessible
Andre Heinecke <aheinecke@intevation.de>
parents: 82
diff changeset
79 mBaseLine = b64Line;
81
112228bd7e4b Remove platform specific certificate immplementations.
Andre Heinecke <aheinecke@intevation.de>
parents: 78
diff changeset
80 }
186
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
81
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
82 QString Certificate::getSubjectAttr (const QString& attrName) const {
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
83 return mSubjectAttrs.value(attrName);
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
84 }
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
85
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
86 QString Certificate::shortDescription() const {
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
87 return getSubjectAttr("CN");
2551ad24d3c2 Get subject from the certificate and parse it's attributes
Andre Heinecke <andre.heinecke@intevation.de>
parents: 94
diff changeset
88 }
http://wald.intevation.org/projects/trustbridge/