148892f102
It allows to get access to additional directories outside of the sandbox root. This is used on iOS to access files in the app bundle.
77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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/>.
|
|
*
|
|
*/
|
|
|
|
#if defined(POSIX)
|
|
|
|
#define FORBIDDEN_SYMBOL_EXCEPTION_time_h
|
|
#define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
|
|
#define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
|
|
#define FORBIDDEN_SYMBOL_EXCEPTION_exit //Needed for IRIX's unistd.h
|
|
#define FORBIDDEN_SYMBOL_EXCEPTION_random
|
|
#define FORBIDDEN_SYMBOL_EXCEPTION_srandom
|
|
|
|
#include <unistd.h>
|
|
|
|
#include "backends/fs/chroot/chroot-fs-factory.h"
|
|
#include "backends/fs/chroot/chroot-fs.h"
|
|
|
|
ChRootFilesystemFactory::ChRootFilesystemFactory(const Common::String &root)
|
|
: _root(root) {
|
|
}
|
|
|
|
AbstractFSNode *ChRootFilesystemFactory::makeRootFileNode() const {
|
|
return new ChRootFilesystemNode(_root, "/");
|
|
}
|
|
|
|
AbstractFSNode *ChRootFilesystemFactory::makeCurrentDirectoryFileNode() const {
|
|
char buf[MAXPATHLEN];
|
|
if (getcwd(buf, MAXPATHLEN) == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
Common::String curPath(buf);
|
|
if (curPath.hasPrefix(_root + Common::String("/"))) {
|
|
return new ChRootFilesystemNode(_root, buf + _root.size());
|
|
}
|
|
for (auto it = _virtualDrives.begin() ; it != _virtualDrives.end() ; ++it) {
|
|
if (curPath.hasPrefix(it->_value + Common::String("/")))
|
|
return new ChRootFilesystemNode(it->_value, buf + it->_value.size(), it->_key);
|
|
}
|
|
|
|
return new ChRootFilesystemNode(_root, "/");
|
|
}
|
|
|
|
AbstractFSNode *ChRootFilesystemFactory::makeFileNodePath(const Common::String &path) const {
|
|
assert(!path.empty());
|
|
size_t driveEnd = path.findFirstOf('/');
|
|
if (driveEnd != Common::String::npos && driveEnd > 0) {
|
|
auto it = _virtualDrives.find(path.substr(0, driveEnd));
|
|
if (it != _virtualDrives.end())
|
|
return new ChRootFilesystemNode(it->_value, path.substr(driveEnd), it->_key);
|
|
}
|
|
return new ChRootFilesystemNode(_root, path);
|
|
}
|
|
|
|
void ChRootFilesystemFactory::addVirtualDrive(const Common::String &name, const Common::String &path) {
|
|
_virtualDrives[name] = path;
|
|
}
|
|
|
|
#endif
|