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/*
*
* The Sleuth Kit
*
* Contact: Brian Carrier [carrier <at> sleuthkit [dot] org]
* Copyright (c) 2010-2012 Basis Technology Corporation. All Rights
* reserved.
*
* This software is distributed under the Common Public License 1.0
*/
#include <cstdio>
#include <cstdlib>
#include <fstream>
#include <sstream>
#include "tsk/framework/framework.h"
#include "tsk/framework/services/TskSystemPropertiesImpl.h"
#include "Poco/AutoPtr.h"
#include "Poco/Path.h"
#include "Poco/UnicodeConverter.h"
#include "Poco/DOM/DOMParser.h"
#include "Poco/DOM/Document.h"
#include "Poco/DOM/NodeList.h"
#include "Poco/DOM/NodeIterator.h"
#include "Poco/DOM/DOMWriter.h"
#include "Poco/SAX/InputSource.h"
#include "Poco/SAX/SAXException.h"
#include "Poco/Util/XMLConfiguration.h"
#include "Poco/Util/AbstractConfiguration.h"
#include "Poco/TemporaryFile.h"
#define VALIDATE_PIPELINE_VERSION "1.0.0.0"
class ValidatePipeline
{
public:
ValidatePipeline();
~ValidatePipeline();
bool isValid(const char * a_configPath) const;
private:
const char *m_configPath;
};
static char *progname;
static void usage()
{
fprintf(stderr, "Usage: %s framework_config_file pipeline_config_file \n", progname);
fprintf(stderr, "\tframework_config_file: Framework config file that identifies where module directory, etc. is found.\n");
fprintf(stderr, "\tpipeline_config_file: Pipeline config file to validate.\n");
}
ValidatePipeline::ValidatePipeline()
{
}
ValidatePipeline::~ValidatePipeline()
{
}
/* Validate all of the pipelines in the given config file.
* This method does some basic parsing of the config file to learn
* about the various pipelines that exist in the file.
*/
bool ValidatePipeline::isValid(const char *a_configPath) const
{
bool failed = false;
std::ifstream in(a_configPath);
if (!in) {
fprintf(stdout, "Error opening pipeline config file: %s\n", a_configPath);
} else {
try {
Poco::XML::InputSource src(in);
Poco::XML::DOMParser parser;
// basic parsing
Poco::AutoPtr<Poco::XML::Document> xmlDoc = parser.parse(&src);
// must have at least one pipeline element
Poco::AutoPtr<Poco::XML::NodeList> pipelines =
xmlDoc->getElementsByTagName(TskPipelineManager::PIPELINE_ELEMENT);
if (pipelines->length() == 0) {
fprintf(stdout, "No pipelines found in config file.\n");
} else {
// parse all pipelines in the config file
for (unsigned long i = 0; i < pipelines->length(); i++)
{
Poco::XML::Node * pNode = pipelines->item(i);
Poco::XML::Element* pElem = dynamic_cast<Poco::XML::Element*>(pNode);
Poco::XML::DOMWriter writer;
std::ostringstream pipelineXml;
writer.writeNode(pipelineXml, pNode);
std::string pipelineType = pElem->getAttribute(TskPipelineManager::PIPELINE_TYPE_ATTRIBUTE);
TskPipeline * pipeline = 0;
if (pipelineType == TskPipelineManager::FILE_ANALYSIS_PIPELINE_STR)
pipeline = new TskFileAnalysisPipeline();
else if (pipelineType == TskPipelineManager::REPORTING_PIPELINE_STR)
pipeline = new TskReportPipeline();
else {
fprintf(stdout, "Unsupported pipeline type: %s\n", pipelineType.c_str());
failed = true;
continue;
}
try {
pipeline->validate(pipelineXml.str());
} catch (...) {
fprintf(stdout, "Error parsing pipeline: %s\n", pElem->getAttribute(TskPipelineManager::PIPELINE_TYPE_ATTRIBUTE).c_str());
failed = true;
}
delete pipeline;
}
}
} catch (Poco::XML::SAXParseException& ex) {
fprintf(stderr, "Error parsing pipeline config file: %s (%s)\n", a_configPath, ex.what());
}
}
// If any of the pipelines failed validation we return false
return failed ? false : true;
}
int main(int argc, char **argv)
{
progname = argv[0];
if (argc != 3) {
usage();
return 1;
}
char *frameworkConfigPath = argv[1];
char *pipelineConfigPath = argv[2];
fprintf(stderr, "Validating %s\n", pipelineConfigPath);
// open the log temp file
Log log;
Poco::TemporaryFile filename;
log.open(filename.path().c_str());
TskServices::Instance().setLog(log);
std::string progDirPath = TskUtilities::getProgDir();
// Initialize properties based on the config file. Do this to shutdown noise in validation.
TskSystemPropertiesImpl systemProperties;
systemProperties.initialize(frameworkConfigPath);
TskServices::Instance().setSystemProperties(systemProperties);
SetSystemProperty(TskSystemProperties::PROG_DIR, progDirPath);
ValidatePipeline vp;
bool valid = vp.isValid(pipelineConfigPath);
fprintf(stdout, "%s is %s\n", pipelineConfigPath, (valid ? "valid." : "invalid."));
// close the log file and dump content to stdout
log.close();
#define MAX_BUF 1024
char buf[MAX_BUF];
std::ifstream fin(filename.path().c_str());
fprintf(stdout, "\nLog messages created during validation: \n");
while (fin.getline(buf, MAX_BUF)) {
fprintf(stdout, "%s\n", buf);
}
fin.close();
if (valid)
return 0;
else
return 1;
}
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