private boolean isMethodInterComponentSink(SootMethod sm) {
for (SourceSinkDefinition meth : sinks) {
AndroidMethod am = (AndroidMethod) meth.getMethod();
if (am.getCategory() == CATEGORY.INTER_APP_COMMUNICATION) {
if (am.getSubSignature().equals(sm.getSubSignature())) return true;
}
}
return false;
}
private String getSourceCategory(ResultSourceInfo sourceInfo) {
if (sourceInfo.getSource().containsInvokeExpr()) {
InvokeExpr invExpr = sourceInfo.getSource().getInvokeExpr();
for (SourceSinkDefinition meth : sources) {
AndroidMethod am = (AndroidMethod) meth.getMethod();
if (am.getSignature().equals(invExpr.getMethod().getSignature())) {
return am.getCategory().toString();
}
}
} else if (isSourceInfoParameter(sourceInfo)) {
return unknownCategory;
} else throw new RuntimeException("Currently not supported");
return null;
}
/**
* Return true if the method corresponding to the source 'si' is an Inter Component Communication
* source method such as "Intent.getExtras()".
*
* @param si
* @param cfg
* @return
*/
private boolean isInterComponentSourceNoCallback(
ResultSourceInfo si, BiDiInterproceduralCFG<Unit, SootMethod> cfg) {
if (!si.getSource().containsInvokeExpr()) return false;
InvokeExpr invExpr = si.getSource().getInvokeExpr();
SootMethod sm = invExpr.getMethod();
for (SourceSinkDefinition meth : sources) {
AndroidMethod am = (AndroidMethod) meth.getMethod();
if (am.getCategory() == CATEGORY.INTER_APP_COMMUNICATION) {
if (am.getSubSignature().equals(sm.getSubSignature())) {
log.info("source is: " + am);
return true;
}
}
}
return false;
}
/**
* This method iterates over all sources from the FlowDroid-results and extracts the category of
* the specific source. If there is no category found, it will return an empty set, otherwise the
* correct categories will be added.
*
* @param sourcesInfo: all possible sources from which we try to identify the category
* @return: set of categories for specific sink
*/
private Set<String> getDataIdList(Set<ResultSourceInfo> sourcesInfo) {
Set<String> dataIdList = new HashSet<String>();
for (ResultSourceInfo sInfo : sourcesInfo) {
if (sInfo.getSource().containsInvokeExpr()) {
InvokeExpr invExpr = sInfo.getSource().getInvokeExpr();
for (SourceSinkDefinition meth : sources) {
AndroidMethod am = (AndroidMethod) meth.getMethod();
if (am.getSignature().equals(invExpr.getMethod().getSignature())) {
dataIdList.add(am.getCategory().toString());
}
}
} else if (isSourceInfoParameter(sInfo)) {
dataIdList.add(unknownCategory);
} else throw new RuntimeException("Currently not supported");
}
return dataIdList;
}
