Mercurial > trustbridge > trustbridge

annotate ui/sslconnection_curl.cpp @ 908:d1c951b3012d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Curl based implementation of sslconnection
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 13 Aug 2014 19:35:08 +0200
parents
children eaed02defe6a
rev   line source
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
2 * Software engineering by Intevation GmbH
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
3 *
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
4 * This file is Free Software under the GNU GPL (v>=2)
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY!
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
6 * See LICENSE.txt for details.
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
7 */
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
8
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
9 #include "sslconnection_curl.h"
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
10
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
11 #define CONNECTION_DEBUG
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
12
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
13 SSLConnectionCurl::SSLConnectionCurl(const QString& url,
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
14 const QByteArray& certificate):
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
15 SSLConnection (url, certificate),
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
16 mCurl (NULL)
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
17 {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
18 curl_global_init(CURL_GLOBAL_DEFAULT);
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
19 mCurl = curl_easy_init();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
20
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
21 if (!mCurl) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
22 qDebug() << "Failed to initialize curl";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
23 return;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
24 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
25
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
26 if (curl_easy_setopt(mCurl, CURLOPT_URL, QUrl(url).toEncoded().constData()) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
27 qDebug() << "Setting url failed";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
28 return;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
29 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
30
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
31 if (curl_easy_setopt(mCurl, CURLOPT_SSL_VERIFYPEER, 1L) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
32 /* Should be default anyway */
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
33 qDebug() << "Setting verifypeer failed";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
34 return;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
35 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
36
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
37 if (curl_easy_setopt(mCurl, CURLOPT_SSL_VERIFYHOST, 0L) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
38 /* There are no limitiations for the pinned certificate */
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
39 qDebug() << "Setting verifyhost failed";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
40 return;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
41 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
42
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
43 mCertFile.open();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
44 if (mCertFile.write(mPinnedCert) != mPinnedCert.size()) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
45 qDebug() << "Failed to write temporary certificate";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
46 return;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
47 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
48 mCertFile.close();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
49
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
50 if (curl_easy_setopt(mCurl, CURLOPT_CAINFO,
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
51 mCertFile.fileName().toUtf8().constData()) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
52 qDebug() << "Failed to write temporary certificate";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
53 return;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
54 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
55 mInitialized = true;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
56
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
57 #ifdef CONNECTION_DEBUG
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
58 curl_easy_setopt(mCurl, CURLOPT_VERBOSE, 1L);
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
59 #endif
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
60 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
61
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
62 SSLConnectionCurl::~SSLConnectionCurl() {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
63 if (mCurl) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
64 curl_easy_cleanup (mCurl);
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
65 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
66 if (mInitialized) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
67 mCertFile.close();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
68 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
69 curl_global_cleanup();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
70 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
71
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
72 int SSLConnectionCurl::connect() {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
73 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 1L) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
74 qDebug() << "Failed to set connect only option";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
75 return -1;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
76 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
77 if (curl_easy_perform (mCurl) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
78 qDebug() << "Failed to connect";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
79 mErrorState = NoConnection;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
80 return -1;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
81 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
82 mConnected = true;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
83 return 0;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
84 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
85
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
86 int SSLConnectionCurl::write(const QByteArray& request) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
87 size_t written = 0;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
88
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
89 if (curl_easy_send (mCurl, request.constData(), request.size(), &written) != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
90 qDebug() << "Failed to send request";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
91 return -1;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
92 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
93 if (written != (size_t)request.size()) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
94 qDebug() << "Failed to write everything";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
95 return -1;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
96 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
97 return 0;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
98 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
99
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
100 QByteArray SSLConnectionCurl::read(size_t len)
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
101 {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
102 unsigned char buf[len];
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
103 QByteArray retval("");
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
104 CURLcode ret;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
105 size_t read = 0;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
106 unsigned int tries = 0;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
107
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
108 do {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
109 memset (buf, 0, sizeof(buf));
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
110 ret = curl_easy_recv (mCurl, buf, len, &read);
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
111 if (ret == CURLE_OK && read == 0) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
112 return retval;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
113 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
114 if (ret == CURLE_AGAIN) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
115 tries++;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
116 continue;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
117 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
118 if (ret != CURLE_OK) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
119 qDebug() << "Read failed.";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
120 return QByteArray();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
121 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
122 if (len < (len - read)) {
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
123 /* Should never happen if ssl_read behaves */
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
124 qDebug() << "integer overflow in polarSSLRead";
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
125 return QByteArray();
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
126 }
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
127
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
128 len -= read;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
129 retval.append((const char *)buf, read);
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
130 } while (len > 0 && tries < 10);
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
131
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
132 return retval;
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
133 }
http://wald.intevation.org/projects/trustbridge/