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/* Copyright © 2005-2013 Roger Leigh <rleigh@debian.org>
*
* schroot is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* schroot is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*
*********************************************************************/
#include <config.h>
#include <sbuild/chroot/chroot.h>
#include <sbuild/chroot/facet/factory.h>
#include <sbuild/chroot/facet/mountable.h>
#include <sbuild/chroot/facet/session.h>
#include <sbuild/chroot/facet/session-clonable.h>
#include <sbuild/chroot/facet/session-setup.h>
#include <sbuild/chroot/facet/source-clonable.h>
#include <sbuild/chroot/plain.h>
#ifdef SBUILD_FEATURE_BLOCKDEV
#include <sbuild/chroot/facet/block-device-base.h>
#endif
#include "format-detail.h"
#include <cassert>
#include <boost/format.hpp>
using boost::format;
using std::endl;
using namespace sbuild;
namespace sbuild
{
namespace chroot
{
namespace facet
{
namespace
{
factory::facet_info session_clonable_info =
{
"session-clonable",
N_("Support for session chroot cloning"),
[]() -> facet::ptr { return session_clonable::create(); }
};
factory session_clonable_register(session_clonable_info);
}
session_clonable::session_clonable ():
facet()
{
}
session_clonable::~session_clonable ()
{
}
session_clonable::ptr
session_clonable::create ()
{
return ptr(new session_clonable());
}
facet::ptr
session_clonable::clone () const
{
return ptr(new session_clonable(*this));
}
std::string const&
session_clonable::get_name () const
{
static const std::string name("session-clonable");
return name;
}
chroot::ptr
session_clonable::clone_session (std::string const& session_id,
std::string const& alias,
std::string const& user,
bool root) const
{
chroot::ptr clone = owner->clone();
// Disable session cloning.
clone->remove_facet<session_clonable>();
// Disable source cloning.
clone->remove_facet<source_clonable>();
clone->add_facet(session::create());
// Disable session, delete aliases.
session::ptr psess(clone->get_facet<session>());
assert(psess);
psess->set_original_name(clone->get_name());
psess->set_selected_name(alias);
clone->set_name(session_id);
assert(clone->get_name() == session_id);
clone->set_description
(clone->get_description() + ' ' + _("(session chroot)"));
string_list empty_list;
string_list allowed_users;
if (!user.empty())
allowed_users.push_back(user);
if (root)
{
clone->set_users(empty_list);
clone->set_root_users(allowed_users);
}
else
{
clone->set_users(allowed_users);
clone->set_root_users(empty_list);
}
clone->set_groups(empty_list);
clone->set_root_groups(empty_list);
clone->set_aliases(empty_list);
log_debug(DEBUG_INFO)
<< format("Cloned session %1%")
% clone->get_name() << endl;
/* If a chroot mount location has not yet been set, and the
chroot is not a plain chroot, set a mount location with the
session id. Only set for non-plain chroots which run
setup scripts. */
{
std::shared_ptr<plain> plain(std::dynamic_pointer_cast<plain>(clone));
if (clone->get_mount_location().empty() && !plain)
{
log_debug(DEBUG_NOTICE) << "Setting mount location" << endl;
std::string location(std::string(SCHROOT_MOUNT_DIR) + "/" +
session_id);
clone->set_mount_location(location);
}
}
log_debug(DEBUG_NOTICE)
<< format("Mount Location: %1%") % clone->get_mount_location()
<< endl;
chroot::facet_list& facets = clone->get_facets();
for (chroot::facet_list::iterator facet = facets.begin();
facet != facets.end();)
{
chroot::facet_list::iterator current = facet;
++facet;
auto setup_facet = std::dynamic_pointer_cast<session_setup>(*current);
if (setup_facet)
{
setup_facet->chroot_session_setup
(*owner, session_id, alias, user, root);
}
}
return clone;
}
chroot::session_flags
session_clonable::get_session_flags (chroot const& chroot) const
{
return chroot::SESSION_CREATE;
}
}
}
}
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