Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 120 insertions, 0 deletions

diff --git a/ui/qt/compiled_filter_output.cpp b/ui/qt/compiled_filter_output.cpp
new file mode 100644
index 0000000..1db9c89
--- /dev/null
+++ b/ui/qt/compiled_filter_output.cpp
@@ -0,0 +1,120 @@
+/* compiled_filter_output.cpp
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <ui_compiled_filter_output.h>
+#include "compiled_filter_output.h"
+
+#ifdef HAVE_LIBPCAP
+#ifdef __MINGW32__
+#include <_bsd_types.h>
+#endif
+#include <pcap.h>
+#endif
+
+#include "capture_opts.h"
+#include <wiretap/wtap.h>
+#include "ui/capture_globals.h"
+
+#include "main_application.h"
+
+#include <QClipboard>
+#include <QPushButton>
+
+CompiledFilterOutput::CompiledFilterOutput(QWidget *parent, QStringList &intList, QString &compile_filter) :
+    GeometryStateDialog(parent),
+    intList_(intList),
+    compile_filter_(compile_filter),
+    ui(new Ui::CompiledFilterOutput)
+{
+    ui->setupUi(this);
+    loadGeometry();
+    setAttribute(Qt::WA_DeleteOnClose, true);
+    ui->filterList->setCurrentFont(mainApp->monospaceFont());
+
+    copy_bt_ = ui->buttonBox->addButton(tr("Copy"), QDialogButtonBox::ActionRole);
+    copy_bt_->setToolTip(tr("Copy filter text to the clipboard."));
+    connect(copy_bt_, &QPushButton::clicked, this, &CompiledFilterOutput::copyFilterText);
+
+    QPushButton *close_bt = ui->buttonBox->button(QDialogButtonBox::Close);
+    close_bt->setDefault(true);
+
+    interface_list_ = ui->interfaceList;
+    pcap_compile_mtx = g_new(GMutex,1);
+    g_mutex_init(pcap_compile_mtx);
+#ifdef HAVE_LIBPCAP
+    compileFilter();
+#endif
+}
+
+CompiledFilterOutput::~CompiledFilterOutput()
+{
+    // For some reason closing this dialog either lowers the Capture Options dialog
+    // or raises the main window. Work around the problem for now by manually raising
+    // and activating our parent (presumably the Capture Options dialog).
+    if (parentWidget()) {
+        parentWidget()->raise();
+        parentWidget()->activateWindow();
+    }
+    delete ui;
+}
+
+#ifdef HAVE_LIBPCAP
+void CompiledFilterOutput::compileFilter()
+{
+    struct bpf_program fcode;
+
+    foreach (QString interfaces, intList_) {
+        for (guint i = 0; i < global_capture_opts.all_ifaces->len; i++) {
+            interface_t *device = &g_array_index(global_capture_opts.all_ifaces, interface_t, i);
+
+            if (interfaces.compare(device->display_name)) {
+                continue;
+            } else {
+                pcap_t *pd = pcap_open_dead(device->active_dlt, WTAP_MAX_PACKET_SIZE_STANDARD);
+                if (pd == NULL)
+                    break;
+                g_mutex_lock(pcap_compile_mtx);
+                if (pcap_compile(pd, &fcode, compile_filter_.toUtf8().data(), 1, 0) < 0) {
+                    compile_results.insert(interfaces, QString(pcap_geterr(pd)));
+                    g_mutex_unlock(pcap_compile_mtx);
+                    ui->interfaceList->addItem(new QListWidgetItem(QIcon(":expert/expert_error.png"),interfaces));
+                } else {
+                    GString *bpf_code_dump = g_string_new("");
+                    struct bpf_insn *insn = fcode.bf_insns;
+                    int ii, n = fcode.bf_len;
+                    for (ii = 0; ii < n; ++insn, ++ii) {
+                        g_string_append(bpf_code_dump, bpf_image(insn, ii));
+                        g_string_append(bpf_code_dump, "\n");
+                    }
+                    g_mutex_unlock(pcap_compile_mtx);
+                    compile_results.insert(interfaces, QString(bpf_code_dump->str));
+                    g_string_free(bpf_code_dump, TRUE);
+                    ui->interfaceList->addItem(new QListWidgetItem(interfaces));
+                }
+                break;
+            }
+        }
+    }
+}
+#endif
+
+void CompiledFilterOutput::on_interfaceList_currentItemChanged(QListWidgetItem *current, QListWidgetItem *)
+{
+    QString interface = current->text();
+    QHash<QString, QString>::const_iterator iter = compile_results.find(interface);
+    ui->filterList->clear();
+    ui->filterList->setPlainText(iter.value());
+}
+
+void CompiledFilterOutput::copyFilterText()
+{
+    mainApp->clipboard()->setText(ui->filterList->toPlainText());
+}