1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/*
qgpgmerefreshkeysjob.cpp
This file is part of qgpgme, the Qt API binding for gpgme
Copyright (c) 2004 Klarävdalens Datakonsult AB
Copyright (c) 2016 Intevation GmbH
QGpgME is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
QGpgME is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#define MAX_CMD_LENGTH 32768
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "qgpgmerefreshkeysjob.h"
#include <QDebug>
#include "gpgme_backend_debug.h"
#include "context.h"
#include <QByteArray>
#include <QStringList>
#include <gpg-error.h>
#include <assert.h>
QGpgME::QGpgMERefreshKeysJob::QGpgMERefreshKeysJob()
: RefreshKeysJob(0),
mProcess(0),
mError(0)
{
}
QGpgME::QGpgMERefreshKeysJob::~QGpgMERefreshKeysJob()
{
}
GpgME::Error QGpgME::QGpgMERefreshKeysJob::start(const QStringList &patterns)
{
assert(mPatternsToDo.empty());
mPatternsToDo = patterns;
if (mPatternsToDo.empty()) {
mPatternsToDo.push_back(QStringLiteral(" ")); // empty list means all -> mae
}
// sure to fail the first
// startAProcess() guard clause
return startAProcess();
}
#if MAX_CMD_LENGTH < 65 + 128
#error MAX_CMD_LENGTH is too low
#endif
GpgME::Error QGpgME::QGpgMERefreshKeysJob::startAProcess()
{
if (mPatternsToDo.empty()) {
return GpgME::Error();
}
// create and start gpgsm process:
mProcess = new QProcess(this);
mProcess->setObjectName(QStringLiteral("gpgsm -k --with-validation --force-crl-refresh --enable-crl-checks"));
// FIXME: obbtain the path to gpgsm from gpgme, so we use the same instance.
mProcess->setProgram(QStringLiteral("gpgsm"));
QStringList arguments;
arguments << QStringLiteral("-k")
<< QStringLiteral("--with-validation")
<< QStringLiteral("--force-crl-refresh")
<< QStringLiteral("--enable-crl-checks");
unsigned int commandLineLength = MAX_CMD_LENGTH;
commandLineLength -=
strlen("gpgsm") + 1 + strlen("-k") + 1 +
strlen("--with-validation") + 1 + strlen("--force-crl-refresh") + 1 +
strlen("--enable-crl-checks") + 1;
while (!mPatternsToDo.empty()) {
const QByteArray pat = mPatternsToDo.front().toUtf8().trimmed();
const unsigned int patLength = pat.length();
if (patLength >= commandLineLength) {
break;
}
mPatternsToDo.pop_front();
if (pat.isEmpty()) {
continue;
}
arguments << QLatin1String(pat);
commandLineLength -= patLength + 1;
}
mProcess->setArguments(arguments);
connect(mProcess, SIGNAL(finished(int,QProcess::ExitStatus)),
SLOT(slotProcessExited(int,QProcess::ExitStatus)));
connect(mProcess, SIGNAL(readyReadStandardOutput()),
SLOT(slotStdout()));
connect(mProcess, &QProcess::readyReadStandardError,
this, &QGpgMERefreshKeysJob::slotStderr);
mProcess->start();
if (!mProcess->waitForStarted()) {
mError = GpgME::Error::fromCode(GPG_ERR_ENOENT, GPG_ERR_SOURCE_GPGSM); // what else?
deleteLater();
return mError;
} else {
return GpgME::Error();
}
}
void QGpgME::QGpgMERefreshKeysJob::slotCancel()
{
if (mProcess) {
mProcess->kill();
}
mProcess = 0;
mError = GpgME::Error::fromCode(GPG_ERR_CANCELED, GPG_ERR_SOURCE_GPGSM);
}
void QGpgME::QGpgMERefreshKeysJob::slotStatus(QProcess *proc, const QString &type, const QStringList &args)
{
if (proc != mProcess) {
return;
}
QStringList::const_iterator it = args.begin();
bool ok = false;
if (type == QLatin1String("ERROR")) {
if (args.size() < 2) {
qCDebug(GPGPME_BACKEND_LOG) << "not recognising ERROR with < 2 args!";
return;
}
const int source = (*++it).toInt(&ok);
if (!ok) {
qCDebug(GPGPME_BACKEND_LOG) << "expected number for first ERROR arg, got something else";
return;
}
ok = false;
const int code = (*++it).toInt(&ok);
if (!ok) {
qCDebug(GPGPME_BACKEND_LOG) << "expected number for second ERROR arg, got something else";
return;
}
mError = GpgME::Error::fromCode(code, source);
} else if (type == QLatin1String("PROGRESS")) {
if (args.size() < 4) {
qCDebug(GPGPME_BACKEND_LOG) << "not recognising PROGRESS with < 4 args!";
return;
}
const QString what = *++it;
ok = false;
(*++it).toInt(&ok);
if (!ok) {
qCDebug(GPGPME_BACKEND_LOG) << "expected number for \"type\", got something else";
return;
}
ok = false;
const int cur = (*++it).toInt(&ok);
if (!ok) {
qCDebug(GPGPME_BACKEND_LOG) << "expected number for \"cur\", got something else";
return;
}
ok = false;
const int total = (*++it).toInt(&ok);
if (!ok) {
qCDebug(GPGPME_BACKEND_LOG) << "expected number for \"total\", got something else";
return;
}
// TODO port
Q_EMIT progress(QString(), cur, total);
}
}
void QGpgME::QGpgMERefreshKeysJob::slotStderr()
{
// implement? or not?
}
void QGpgME::QGpgMERefreshKeysJob::slotProcessExited(int exitCode, QProcess::ExitStatus exitStatus)
{
if (!mError && !mPatternsToDo.empty()) {
if (const GpgME::Error err = startAProcess()) {
mError = err;
} else {
return;
}
}
Q_EMIT done();
if (!mError &&
(exitStatus != QProcess::NormalExit || exitCode != 0)) {
mError = GpgME::Error::fromCode(GPG_ERR_GENERAL, GPG_ERR_SOURCE_GPGSM);
}
Q_EMIT result(mError);
deleteLater();
}
#include "qgpgmerefreshkeysjob.moc"
|
