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fwbuilder/src/juniper_lib/CompilerDriver_junosacl_run.cpp
2020-10-07 21:11:04 +02:00

340 lines
11 KiB
C++

#include "CompilerDriver_junosacl.h"
#include "OSConfigurator_junos.h"
#include "cisco_lib/NamedObjectsManager.h"
#include "cisco_lib/NamedObjectsAndGroupsSupport.h"
#include "PolicyCompiler_junosacl.h"
#include "fwbuilder/Cluster.h"
#include "fwbuilder/ClusterGroup.h"
#include "fwbuilder/FWException.h"
#include "fwbuilder/FWObjectDatabase.h"
#include "fwbuilder/FailoverClusterGroup.h"
#include "fwbuilder/Firewall.h"
#include "fwbuilder/Interface.h"
#include "fwbuilder/Library.h"
#include "fwbuilder/NAT.h"
#include "fwbuilder/Policy.h"
#include "fwbuilder/Resources.h"
#include "fwbuilder/Routing.h"
#include "fwbuilder/StateSyncClusterGroup.h"
#include "fwbuilder/XMLTools.h"
#include "fwcompiler/Preprocessor.h"
#include <QStringList>
#include <QFileInfo>
#include <QFile>
#include <QTextStream>
using namespace std;
using namespace libfwbuilder;
using namespace fwcompiler;
QString CompilerDriver_junosacl::assembleManifest(Cluster*, Firewall*, bool)
{
QString script_buffer;
QTextStream script(&script_buffer, QIODevice::WriteOnly);
script << "/* " << manifestMarker()
<< " * " << this->escapeFileName(file_names[FW_FILE]) << " */" << '\n';
return script_buffer;
}
QString CompilerDriver_junosacl::printActivationCommands(Firewall *)
{
return QString();
}
QString CompilerDriver_junosacl::assembleFwScript(Cluster *cluster,
Firewall *fw,
bool cluster_member,
OSConfigurator *oscnf)
{
Configlet script_skeleton(fw, "junos", "script_skeleton");
Configlet top_comment(fw, "junos", "top_comment");
script_skeleton.setVariable("system_configuration_script",
QString::fromUtf8(system_configuration_script.c_str()));
script_skeleton.setVariable("policy_script",
QString::fromUtf8(policy_script.c_str()));
FWOptions* options = fw->getOptionsObject();
options->setStr("prolog_script", options->getStr("junosacl_prolog_script"));
options->setStr("epilog_script", options->getStr("junosacl_epilog_script"));
// we do not offer user a choice of the place where to put prolog
// lines, therefore we can reset this attribute to make sure it
// does not interfere
options->setStr("prolog_place", "");
assembleFwScriptInternal(cluster, fw, cluster_member,
oscnf, &script_skeleton, &top_comment,
QString::fromStdString(comment_symbol), true);
return script_skeleton.expand();
}
QString CompilerDriver_junosacl::run(const string &cluster_id,
const string &firewall_id,
const string &single_rule_id)
{
Cluster *cluster = nullptr;
Firewall *fw = nullptr;
getFirewallAndClusterObjects(cluster_id, firewall_id, &cluster, &fw);
try
{
clearReadOnly(fw);
// Copy rules from the cluster object
populateClusterElements(cluster, fw);
commonChecks2(cluster, fw);
// Note that fwobjectname may be different from the name of the
// firewall fw This happens when we compile a member of a cluster
current_firewall_name = fw->getName().c_str();
determineOutputFileNames(cluster, fw, !cluster_id.empty(),
QStringList(""), QStringList("fw"),
QStringList(""));
/* Now that all checks are done, we can drop copies of cluster
* interfaces that were added to the firewall by
* CompilerDriver::populateClusterElements()
*/
list<FWObject*> all_interfaces = fw->getByTypeDeep(Interface::TYPENAME);
list<FWObject*> copies_of_cluster_interfaces;
for (std::list<FWObject*>::iterator i=all_interfaces.begin(); i!=all_interfaces.end(); ++i)
{
Interface *iface = Interface::cast(*i);
assert(iface);
if (iface->getOptionsObject()->getBool("cluster_interface"))
copies_of_cluster_interfaces.push_back(iface);
}
while (copies_of_cluster_interfaces.size())
{
fw->remove(copies_of_cluster_interfaces.front());
copies_of_cluster_interfaces.pop_front();
}
FWOptions* options = fw->getOptionsObject();
string fwvers = fw->getStr("version");
if (fwvers == "") fw->setStr("version", "11.2");
if (fwvers == "11.x") fw->setStr("version", "11.2");
string platform = fw->getStr("platform");
std::unique_ptr<OSConfigurator_junos> oscnf(new OSConfigurator_junos(objdb, fw, false));
oscnf->prolog();
oscnf->processFirewallOptions();
list<FWObject*> all_policies = fw->getByType(Policy::TYPENAME);
// assign unique rule ids that later will be used to generate
// chain names. This should be done after calls to
// findImportedRuleSets()
// NB: these ids are not used by this compiler
assignUniqueRuleIds(all_policies);
vector<int> ipv4_6_runs;
// // // // //NamedObjectsManager named_objects_manager(persistent_objects, fw);
// command line options -4 and -6 control address family for which
// script will be generated. If "-4" is used, only ipv4 part will
// be generated. If "-6" is used, only ipv6 part will be generated.
// If neither is used, both parts will be done.
if (options->getStr("ipv4_6_order").empty() ||
options->getStr("ipv4_6_order") == "ipv4_first")
{
if (ipv4_run) ipv4_6_runs.push_back(AF_INET);
if (ipv6_run) ipv4_6_runs.push_back(AF_INET6);
}
if (options->getStr("ipv4_6_order") == "ipv6_first")
{
if (ipv6_run) ipv4_6_runs.push_back(AF_INET6);
if (ipv4_run) ipv4_6_runs.push_back(AF_INET);
}
string object_groups_definitions;
for (vector<int>::iterator i=ipv4_6_runs.begin();
i!=ipv4_6_runs.end(); ++i)
{
int policy_af = *i;
bool ipv6_policy = (policy_af == AF_INET6);
// Count rules for each address family
int policy_count = 0;
for (list<FWObject*>::iterator p=all_policies.begin();
p!=all_policies.end(); ++p)
{
Policy *policy = Policy::cast(*p);
if (policy->matchingAddressFamily(policy_af)) policy_count++;
}
if (policy_count)
{
std::unique_ptr<Preprocessor> prep(new Preprocessor(objdb, fw, false));
if (inTestMode()) prep->setTestMode();
if (inEmbeddedMode()) prep->setEmbeddedMode();
prep->compile();
}
for (list<FWObject*>::iterator p=all_policies.begin();
p!=all_policies.end(); ++p)
{
Policy *policy = Policy::cast(*p);
if (!policy->matchingAddressFamily(policy_af)) continue;
PolicyCompiler_junosacl c(objdb, fw, ipv6_policy, oscnf.get());
// // // // //c.setNamedObjectsManager(&named_objects_manager);
c.setSourceRuleSet( policy );
c.setRuleSetName(policy->getName());
c.setPersistentObjects(persistent_objects);
c.setSingleRuleCompileMode(single_rule_id);
if (inTestMode()) c.setTestMode();
if (inEmbeddedMode()) c.setEmbeddedMode();
c.setDebugLevel( dl );
if (rule_debug_on) c.setDebugRule( drp );
c.setVerbose( verbose );
if ( c.prolog() > 0)
{
c.compile();
c.epilog();
if (!single_rule_compile_on)
{
if (ipv6_policy)
{
policy_script += "\n\n";
policy_script += "# ================ IPv6\n";
policy_script += "\n\n";
} else {
policy_script += "\n\n";
policy_script += "# ================ IPv4\n";
policy_script += "\n\n";
}
}
if (c.haveErrorsAndWarnings())
{
all_errors.push_back(c.getErrors("").c_str());
}
policy_script += c.getCompiledScript();
} else {
info(" Nothing to compile in Policy");
}
}
}
/*
* compilers detach persistent objects when they finish, this
* means at this point library persistent_objects is not part
* of any object tree.
*/
objdb->reparent(persistent_objects);
if (haveErrorsAndWarnings())
{
all_errors.push_front(getErrors("").c_str());
}
// // // // //object_groups_definitions +=
// // // // // named_objects_manager.getNamedObjectsDefinitions();
if (single_rule_compile_on)
{
return formSingleRuleCompileOutput(
QString::fromUtf8(
(object_groups_definitions +
policy_script).c_str()));
}
system_configuration_script += object_groups_definitions;
QString script_buffer = assembleFwScript(
cluster, fw, !cluster_id.empty(), oscnf.get());
QString ofname = getAbsOutputFileName(file_names[FW_FILE]);
info("Output file name: " + ofname.toStdString());
QFile fw_file(ofname);
if (fw_file.open(QIODevice::WriteOnly))
{
QTextStream fw_str(&fw_file);
fw_str << script_buffer;
fw_file.close();
fw_file.setPermissions(QFile::ReadOwner | QFile::WriteOwner |
QFile::ReadGroup | QFile::ReadOther |
QFile::ExeOwner |
QFile::ExeGroup |
QFile::ExeOther );
info(" Compiled successfully");
} else {
QString err(" Failed to open file %1 for writing: %2; Current dir: %3");
abort(err.arg(fw_file.fileName())
.arg(fw_file.error()).arg(QDir::current().path()).toStdString());
}
if (!all_errors.isEmpty())
status = BaseCompiler::FWCOMPILER_WARNING;
}
catch (FWException &ex)
{
status = BaseCompiler::FWCOMPILER_ERROR;
return QString::fromUtf8((ex.toString().c_str()));
}
return "";
}