* limitations under the License
*/
+#include <dlfcn.h>
#include <syslog.h>
+#include <unistd.h>
#include <security/pam_ext.h>
#include <security/pam_modules.h>
#include <string>
#include <vector>
+#include <iostream>
-#include "session.h"
-#include "krate-guard.h"
#include "krate-builder.h"
#include <klay/exception.h>
#include <klay/filesystem.h>
-#include <klay/xml/parser.h>
-#include <klay/xml/document.h>
-std::string buildKrateManifestPath(const std::string& name)
-{
- return CONF_PATH "/" + name + ".xml";
+#define KRATE_UID_MIN 6000
+#define KRATE_UID_MAX 6999
+
+namespace {
+
+static std::string getFlagFilePath(runtime::User &user) {
+ return "/run/user/" + std::to_string(user.getUid()) + "/.container";
}
+} // namespace
+
std::string getKrateName(pam_handle_t* handle)
{
const void* retItem;
return static_cast<const char*>(retItem);
}
-void openKrateSession(const std::string& name)
-{
- auto sessionBuilder = [](const runtime::User& user) {
- KrateBuilder builder(user, buildKrateManifestPath(user.getName()));
- builder.containerize();
- };
-
- createSession(runtime::User(name), sessionBuilder);
-}
-
-void closeKrateSession(const std::string& name)
-{
- destroySession(runtime::User(name));
-}
-
extern "C" {
PAM_EXTERN __attribute__((visibility("default")))
int pam_sm_open_session(pam_handle_t* pamh, int flags, int argc, const char* argv[])
{
try {
- std::string name = getKrateName(pamh);
- KrateGuard krateGuard(name);
- krateGuard.wait();
+ runtime::User user(getKrateName(pamh));
+
+ KrateBuilder builder(user);
+ builder.enterKrate();
- openKrateSession(name);
+ if (user.getUid() >= KRATE_UID_MIN && user.getUid() <= KRATE_UID_MAX ) {
+ runtime::File flag(getFlagFilePath(user));
+ if (!flag.exists())
+ flag.create(0644);
+ }
} catch (runtime::Exception& e) {
::pam_syslog(pamh, LOG_ERR, "%s", e.what());
return PAM_SESSION_ERR;
int pam_sm_close_session(pam_handle_t* pamh, int flags, int argc, const char* argv[])
{
try {
- std::string name = getKrateName(pamh);
- KrateGuard krateGuard(name);
- krateGuard.wait();
+ runtime::User user(getKrateName(pamh));
+
+ KrateBuilder builder(user);
+ builder.exitKrate();
- closeKrateSession(name);
+ runtime::File flag(getFlagFilePath(user));
+ if (flag.exists())
+ flag.remove(false);
} catch (runtime::Exception& e) {
::pam_syslog(pamh, LOG_ERR, "%s", e.what());
return PAM_SESSION_ERR;