VisualNavbar: Implement scrubbing, higher resolution, fix a ton of bugs. (#197)

This commit is contained in:
Thomas (nezza-_-) Roth 2017-12-10 00:22:16 +01:00 committed by xarkes
parent 253dae261c
commit 8e0ca36e98
2 changed files with 249 additions and 123 deletions

View File

@ -12,6 +12,7 @@
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonParseError>
#include <QToolTip>
VisualNavbar::VisualNavbar(MainWindow *main, QWidget *parent) :
QToolBar(main),
@ -53,7 +54,12 @@ VisualNavbar::VisualNavbar(MainWindow *main, QWidget *parent) :
this->graphicsView->setRenderHints(0);
this->graphicsView->setScene(graphicsScene);
this->graphicsView->setRenderHints(QPainter::Antialiasing);
this->graphicsView->setToolTip("gap");
this->graphicsView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
this->graphicsView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
// So the graphicsView doesn't intercept mouse events.
this->graphicsView->setEnabled(false);
this->graphicsView->setMouseTracking(true);
setMouseTracking(true);
}
void VisualNavbar::paintEvent(QPaintEvent *event)
@ -74,129 +80,203 @@ void VisualNavbar::fetchAndPaintData()
fillData();
}
bool VisualNavbar::sortSectionLessThan(const SectionDescription &section1, const SectionDescription &section2)
{
return section1.vaddr < section2.vaddr;
}
VisualNavbar::MappedSegment* VisualNavbar::mappedSegmentForAddress(RVA addr)
{
for(int i=0; i < mappedSegments.length(); i++)
{
MappedSegment *mappedSegment = &mappedSegments[i];
if((mappedSegment->address_from <= addr) && (addr <= mappedSegment->address_to))
{
return mappedSegment;
}
}
return nullptr;
}
void VisualNavbar::fetchData()
{
TempConfig tempConfig;
tempConfig.set("search.in", QString("io.section"));
// TODO: This code is quite verbose but very readable. The goal is to
// experiment until we know what we want and then start to optimize.
sections = Core()->getAllSections();
totalSectionsSize = 0;
blockMaps.clear();
// Sort sections so we don't have to filter for overlaps afterwards
qSort(sections.begin(), sections.end(), sortSectionLessThan);
mappedSegments.clear();
for(SectionDescription section : sections)
{
QString command = "p-j @" + RAddressString(section.vaddr);
QJsonDocument doc = Core()->cmdj(command);
QJsonObject jObject = doc.object();
QVariantMap mainMap = jObject.toVariantMap();
blockMaps.append(mainMap);
totalSectionsSize += section.size;
bool segment_found = false;
for(int i=0; i < mappedSegments.count(); i++)
{
MappedSegment &mappedSegment = mappedSegments[i];
// Check if the segment contains the section
bool segment_contains_section_start = false;
if((mappedSegment.address_from <= section.vaddr) &&
(section.vaddr <= mappedSegment.address_to)) {
segment_contains_section_start = true;
}
bool segment_contains_section_end = false;
if((mappedSegment.address_from <= section.vaddr+section.vsize) &&
(section.vaddr+section.vsize <= mappedSegment.address_to)) {
segment_contains_section_end = true;
}
// Check if the section contains the segment
bool section_contains_segment_start = false;
bool section_contains_segment_end = false;
if((section.vaddr <= mappedSegment.address_from) &&
(mappedSegment.address_from <= section.vaddr+section.vsize)) {
section_contains_segment_start = true;
}
if((section.vaddr <= mappedSegment.address_to) &&
(mappedSegment.address_to <= section.vaddr+section.vsize)) {
section_contains_segment_end = true;
}
if(segment_contains_section_start | segment_contains_section_end |
section_contains_segment_start | section_contains_segment_end)
{
if(section.vaddr < mappedSegment.address_from) {
mappedSegment.address_from = section.vaddr;
}
if(mappedSegment.address_to < section.vaddr+section.vsize) {
mappedSegment.address_to = section.vaddr + section.vsize;
}
segment_found = true;
mappedSegment.sectionDescriptions.append(section);
break;
}
}
if(!segment_found)
{
MappedSegment mappedSegment;
mappedSegment.address_from = section.vaddr;
mappedSegment.address_to = section.vaddr + section.vsize;
mappedSegment.sectionDescriptions.append(section);
mappedSegments.append(mappedSegment);
}
}
totalMappedSize = 0;
for(auto &mappedSegment : mappedSegments)
{
totalMappedSize += mappedSegment.address_to - mappedSegment.address_from;
}
QList<FunctionDescription> functions = Core()->getAllFunctions();
for(auto function : functions)
{
auto mappedSegment = mappedSegmentForAddress(function.offset);
if(mappedSegment)
{
MappedSegmentMetadata metadata;
metadata.address = function.offset;
metadata.size = function.size;
mappedSegment->functions.append(metadata);
}
}
QList<SymbolDescription> symbols = Core()->getAllSymbols();
for(auto symbol : symbols)
{
auto mappedSegment = mappedSegmentForAddress(symbol.vaddr);
if(mappedSegment)
{
MappedSegmentMetadata metadata;
metadata.address = symbol.vaddr;
metadata.size = 1;
mappedSegment->symbols.append(metadata);
}
}
QList<StringDescription> strings = Core()->getAllStrings();
for(auto string : strings)
{
MappedSegment *mappedSegment = mappedSegmentForAddress(string.vaddr);
if(mappedSegment)
{
MappedSegmentMetadata metadata;
metadata.address = string.vaddr;
metadata.size = string.string.length();
mappedSegment->strings.append(metadata);
}
}
}
void VisualNavbar::drawMetadata(QList<MappedSegmentMetadata> metadata,
RVA offset,
double x,
double width_per_byte,
double h, QColor color)
{
for(auto s : metadata)
{
double block_x = x + ((double)(s.address - offset) * width_per_byte);
double block_width = (double)s.size * width_per_byte;
QGraphicsRectItem *rect = new QGraphicsRectItem(block_x, 0, block_width, h);
rect->setPen(Qt::NoPen);
rect->setBrush(QBrush(color));
graphicsScene->addItem(rect);
}
}
void VisualNavbar::fillData()
{
// qDeleteAll(graphicsScene->items());
graphicsScene->clear();
cursorGraphicsItem = nullptr;
int from = blockMaps.first()["from"].toInt();
int to = blockMaps.first()["to"].toInt();
// Do not try to draw if no sections are available.
if(mappedSegments.length() == 0) {
return;
}
// Prepare the graph scene
int w = this->graphicsView->width();
int h = this->graphicsView->height();
RVA current_address = Core()->getOffset();
double width_per_byte = (double)w/(double)totalSectionsSize;
double width_per_byte = (double)w/(double)totalMappedSize;
xToAddress.clear();
double x_start = 0.0;
for(int i=0; i < sections.length(); i++)
double current_x = 0;
for(auto mappedSegment : mappedSegments)
{
SectionDescription section = sections[i];
double width = ((double)section.size * width_per_byte);
double x_end = x_start + width;
double local_w = x_end - x_start;
RVA segment_size = mappedSegment.address_to - mappedSegment.address_from;
double segment_width = (double)segment_size * width_per_byte;
QGraphicsRectItem *rect = new QGraphicsRectItem(current_x, 0, segment_width, h);
rect->setBrush(QBrush(QColor(100, 100, 100)));
graphicsScene->addItem(rect);
drawMetadata(mappedSegment.strings,
mappedSegment.address_from,
current_x,
width_per_byte,
h, QColor(104, 229, 69));
drawMetadata(mappedSegment.symbols,
mappedSegment.address_from,
current_x,
width_per_byte,
h, QColor(229, 150, 69));
drawMetadata(mappedSegment.functions,
mappedSegment.address_from,
current_x,
width_per_byte,
h, QColor(69, 104, 229));
QVariantMap mainMap = blockMaps[i];
from = mainMap["from"].toInt();
to = mainMap["to"].toInt();
int block = mainMap["blocksize"].toInt();
int size = (to - from);
int num = 1;
if (block != 0)
{
num = size / block;
}
if (num < 1)
{
num = 1;
}
int graph_block = local_w / num;
if(graph_block == 0)
{
continue;
}
int counter = 0;
for (auto j : mainMap["blocks"].toList())
{
QMap<QString, QVariant> map = j.toMap();
// The X of where this block will start
double block_x_start = x_start + (double)(counter * graph_block);
// Keep X start and end as well as the start & end address in a list.
// This is used to convert address to an X position on the bar and vice versa.
// Keep track of where which memory segment is mapped so we are able to convert from
// address to X coordinate and vice versa.
struct xToAddress x2a;
x2a.x_start = block_x_start;
x2a.x_end = block_x_start + graph_block;
x2a.address_from = map["offset"].toULongLong();
x2a.address_to = map["offset"].toULongLong() + map["size"].toULongLong();
x2a.x_start = current_x;
x2a.x_end = current_x + segment_width;
x2a.address_from = mappedSegment.address_from;
x2a.address_to = mappedSegment.address_to;
xToAddress.append(x2a);
if (map.empty())
{
// Fill as empty
QGraphicsRectItem *rect = new QGraphicsRectItem(block_x_start, 0, graph_block, h);
rect->setPen(Qt::NoPen);
rect->setBrush(QBrush(QColor(252, 249, 190)));
rect->setToolTip("Data");
graphicsScene->addItem(rect);
}
else
{
// TODO: Make this compatible with theming
QGraphicsRectItem *rect = new QGraphicsRectItem(block_x_start, 0, graph_block, h);
rect->setPen(Qt::NoPen);
if (map["functions"].toInt() > 0)
{
rect->setBrush(QBrush(QColor(69, 104, 229)));
}
else if(map["symbols"].toInt() > 0)
{
rect->setBrush(QBrush(QColor(229, 150, 69)));
}
else if(map["strings"].toInt() > 0)
{
rect->setBrush(QBrush(QColor(104, 229, 69)));
}
else
{
rect->setBrush(QBrush(QColor(190, 190, 190)));
}
rect->setToolTip(generateTooltip(section.name, map));
graphicsScene->addItem(rect);
current_x +=segment_width;
}
counter += 1;
}
x_start = x_end;
}
// Update scene width
graphicsScene->setSceneRect(graphicsScene->itemsBoundingRect());
@ -225,22 +305,6 @@ void VisualNavbar::drawCursor()
graphicsScene->addItem(cursorGraphicsItem);
}
QString VisualNavbar::generateTooltip(QString section_name, QMap<QString, QVariant> map)
{
QString ret = "";
ret += "Offset: 0x" + QString::number(map["offset"].toInt(), 16) + "\n";
ret += "Section: " + section_name + "\n";
ret += "Size: " + QString::number(map["size"].toInt()) + "\n";
ret += "Functions: " + QString::number(map["functions"].toInt()) + "\n";
ret += "Flags: " + QString::number(map["flags"].toInt()) + "\n";
ret += "Comments: " + QString::number(map["comments"].toInt()) + "\n";
ret += "Symbols: " + QString::number(map["symbols"].toInt()) + "\n";
ret += "Strings: " + QString::number(map["strings"].toInt()) + "\n";
ret += "rwx: " + map["rwx"].toString() + "\n";
return ret;
}
void VisualNavbar::on_seekChanged(RVA addr)
{
Q_UNUSED(addr);
@ -250,16 +314,25 @@ void VisualNavbar::on_seekChanged(RVA addr)
void VisualNavbar::mousePressEvent(QMouseEvent *event)
{
event->accept();
// Convert the local X coordinate to an address.
qreal x = event->localPos().x();
RVA address = localXToAddress(x);
if(address != RVA_INVALID)
{
QToolTip::showText(event->globalPos(), toolTipForAddress(address), this);
if(event->buttons() & Qt::LeftButton) {
event->accept();
Core()->seek(address);
}
}
}
void VisualNavbar::mouseMoveEvent(QMouseEvent *event)
{
event->accept();
mousePressEvent(event);
}
RVA VisualNavbar::localXToAddress(double x)
{
for(auto x2a : xToAddress)
@ -287,3 +360,31 @@ double VisualNavbar::addressToLocalX(RVA address)
}
return nan("");
}
QList<QString> VisualNavbar::sectionsForAddress(RVA address)
{
QList<QString> ret;
for(auto mappedSegment : mappedSegments)
{
for(auto section : mappedSegment.sectionDescriptions)
{
if((section.vaddr <= address) && (address <= section.vaddr+section.vsize))
{
ret.append(section.name);
}
}
}
return ret;
}
QString VisualNavbar::toolTipForAddress(RVA address)
{
QString ret = "Address: " + RAddressString(address) + "\n";
ret += "Sections: \n";
auto sections = sectionsForAddress(address);
for(auto section : sections)
{
ret += " " + section + "\n";
}
return ret;
}

View File

@ -20,6 +20,20 @@ class VisualNavbar : public QToolBar
RVA address_to;
};
struct MappedSegmentMetadata {
RVA address;
RVA size;
};
struct MappedSegment {
QList<SectionDescription> sectionDescriptions;
QList<MappedSegmentMetadata> functions;
QList<MappedSegmentMetadata> symbols;
QList<MappedSegmentMetadata> strings;
RVA address_from;
RVA address_to;
};
public:
explicit VisualNavbar(MainWindow *main, QWidget *parent = 0);
@ -38,20 +52,31 @@ private:
QGraphicsScene *graphicsScene;
QGraphicsRectItem *cursorGraphicsItem;
MainWindow *main;
RVA totalSectionsSize;
RVA totalMappedSize;
QList<SectionDescription> sections;
QList<QVariantMap> blockMaps;
QList<struct xToAddress> xToAddress;
QList<MappedSegment> mappedSegments;
// Used to check whether the width changed. If yes we need to re-initialize the scene (slow)
int previousWidth;
void drawMetadata(QList<MappedSegmentMetadata> metadata,
RVA offset,
double x,
double width_per_byte,
double h, QColor color);
QString generateTooltip(QString section_name, QMap<QString, QVariant> map);
struct MappedSegment* mappedSegmentForAddress(RVA addr);
RVA localXToAddress(double x);
double addressToLocalX(RVA address);
QList<QString> sectionsForAddress(RVA address);
QString toolTipForAddress(RVA address);
static bool sortSectionLessThan(const SectionDescription &section1, const SectionDescription &section2);
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
};
#endif // VISUALNAVBAR_H