Separate filesystem socket namespace inside chroots.
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parent
735dffd029
commit
ecd5217da8
1 changed files with 16 additions and 28 deletions
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@ -52,13 +52,11 @@ namespace NetFS {
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class Manager;
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class StreamSocket;
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class Manager : public AbstractInode
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class Manager : public Refcountable
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{
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public:
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Manager(uid_t owner, gid_t group, mode_t mode);
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virtual ~Manager() { }
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virtual Ref<Inode> open(ioctx_t* ctx, const char* filename, int flags,
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mode_t mode);
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Manager();
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virtual ~Manager();
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public:
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bool Bind(StreamSocket* socket, struct sockaddr_un* addr, size_t addrsize);
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@ -114,6 +112,7 @@ public:
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public: /* For use by Manager. */
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PollChannel accept_poll_channel;
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Ref<Manager> manager;
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Ref<Descriptor> root;
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PipeEndpoint incoming;
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PipeEndpoint outgoing;
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StreamSocket* prev_socket;
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@ -189,6 +188,7 @@ StreamSocket::StreamSocket(uid_t owner, gid_t group, mode_t mode,
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this->is_connected = false;
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this->is_refused = false;
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this->manager = manager;
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this->root = CurrentProcess()->GetRoot();
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this->socket_lock = KTHREAD_MUTEX_INITIALIZER;
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this->pending_cond = KTHREAD_COND_INITIALIZER;
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this->accepted_cond = KTHREAD_COND_INITIALIZER;
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@ -476,20 +476,19 @@ int StreamSocket::getsockname(ioctx_t* ctx, uint8_t* addr, size_t* addrsize)
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return 0;
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}
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Manager::Manager(uid_t owner, gid_t group, mode_t mode)
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Manager::Manager()
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{
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inode_type = INODE_TYPE_UNKNOWN;
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dev = (dev_t) this;
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ino = 0;
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this->type = S_IFDIR;
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this->stat_uid = owner;
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this->stat_gid = group;
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this->stat_mode = (mode & S_SETABLE) | this->type;
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this->manager_lock = KTHREAD_MUTEX_INITIALIZER;
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this->first_server = NULL;
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this->last_server = NULL;
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}
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Manager::~Manager()
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{
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assert(!first_server);
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assert(!last_server);
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}
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static int CompareAddress(const struct sockaddr_un* a,
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const struct sockaddr_un* b)
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{
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@ -498,8 +497,10 @@ static int CompareAddress(const struct sockaddr_un* a,
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StreamSocket* Manager::LookupServer(struct sockaddr_un* address)
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{
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Ref<Descriptor> root = CurrentProcess()->GetRoot();
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for ( StreamSocket* iter = first_server; iter; iter = iter->next_socket )
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if ( CompareAddress(iter->name, address) == 0 )
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if ( CompareAddress(iter->name, address) == 0 &&
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iter->root->dev == root->dev && iter->root->ino == root->ino )
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return iter;
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return NULL;
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}
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@ -664,24 +665,11 @@ bool Manager::Connect(StreamSocket* socket,
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return true;
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}
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// TODO: Support a poll method in Manager.
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Ref<Inode> Manager::open(ioctx_t* /*ctx*/, const char* filename,
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int /*flags*/, mode_t /*mode*/)
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{
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if ( !strcmp(filename, "stream") )
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{
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StreamSocket* socket = new StreamSocket(0, 0, 0666, Ref<Manager>(this));
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return Ref<StreamSocket>(socket);
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}
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return errno = ENOENT, Ref<Inode>(NULL);
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}
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static Ref<Manager> manager;
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void Init()
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{
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manager = Ref<Manager>(new Manager(0, 0, 0600));
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manager = Ref<Manager>(new Manager());
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}
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Ref<Inode> Socket(int type, int protocol)
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