Exemplo n.º 1
0
void DEFAULT_CC
scp_v1_mng_process(struct SCP_CONNECTION *c, struct SCP_SESSION *s)
{
    long data;
    enum SCP_SERVER_STATES_E e;
    struct SCP_DISCONNECTED_SESSION *slist = 0;
    int scount;
    int end = 0;

    data = auth_userpass(s->username, s->password,NULL);
    /*LOG_DBG("user: %s\npass: %s", s->username, s->password);*/

    if (!data)
    {
        scp_v1s_mng_deny_connection(c, "Login failed");
        log_message(LOG_LEVEL_INFO,
                    "[MNG] Login failed for user %s. Connection terminated", s->username);
        scp_session_destroy(s);
        auth_end(data);
        return;
    }

    /* testing if login is allowed */
    if (0 == access_login_mng_allowed(s->username))
    {
        scp_v1s_mng_deny_connection(c, "Access to Terminal Server not allowed.");
        log_message(LOG_LEVEL_INFO,
                    "[MNG] User %s not allowed on TS. Connection terminated", s->username);
        scp_session_destroy(s);
        auth_end(data);
        return;
    }

    e = scp_v1s_mng_allow_connection(c, s);

    end = 1;

    while (end)
    {
        switch (e)
        {
            case SCP_SERVER_STATE_MNG_ACTION:
                log_message(LOG_LEVEL_INFO, "Connection cancelled after session listing");
                break;

            case SCP_SERVER_STATE_MNG_LISTREQ:
                /* list disconnected sessions */
                slist = session_get_byuser(NULL, &scount, SESMAN_SESSION_STATUS_ALL);
                LOG_DBG("sessions on TS: %d (slist: %x)", scount, slist);

                if (0 == slist)
                {
                    //          e=scp_v1s_connection_error(c, "Internal error");
                    log_message(LOG_LEVEL_INFO, "No sessions on Terminal Server");
                    end = 0;
                }
                else
                {
                    e = scp_v1s_mng_list_sessions(c, s, scount, slist);
                    g_free(slist);
                }

                break;
            default:
                /* we check the other errors */
                parseCommonStates(e, "scp_v1s_mng_list_sessions()");
                end = 0;
                break;
        }
    }

    /* cleanup */
    scp_session_destroy(s);
    auth_end(data);
}
Exemplo n.º 2
0
Arquivo: scp_v1.c Projeto: pmhahn/xrdp
void DEFAULT_CC
scp_v1_process(struct SCP_CONNECTION *c, struct SCP_SESSION *s)
{
    long data;
    int display;
    int retries;
    int current_try;
    enum SCP_SERVER_STATES_E e;
    struct SCP_DISCONNECTED_SESSION *slist;
    struct session_item *sitem;
    int scount;
    SCP_SID sid;

    retries = g_cfg->sec.login_retry;
    current_try = retries;

    data = auth_userpass(s->username, s->password);
    /*LOG_DBG("user: %s\npass: %s", s->username, s->password);*/

    while ((!data) && ((retries == 0) || (current_try > 0)))
    {
        LOG_DBG("data %d - retry %d - currenttry %d - expr %d",
                data, retries, current_try,
                ((!data) && ((retries == 0) || (current_try > 0))));

        e = scp_v1s_request_password(c, s, "Wrong username and/or password");

        switch (e)
        {
            case SCP_SERVER_STATE_OK:
                /* all ok, we got new username and password */
                data = auth_userpass(s->username, s->password);

                /* one try less */
                if (current_try > 0)
                {
                    current_try--;
                }

                break;
            default:
                /* we check the other errors */
                parseCommonStates(e, "scp_v1s_list_sessions()");
                scp_session_destroy(s);
                return;
                //break;
        }
    }

    if (!data)
    {
        scp_v1s_deny_connection(c, "Login failed");
        log_message( LOG_LEVEL_INFO,
                     "Login failed for user %s. Connection terminated", s->username);
        scp_session_destroy(s);
        return;
    }

    /* testing if login is allowed*/
    if (0 == access_login_allowed(s->username))
    {
        scp_v1s_deny_connection(c, "Access to Terminal Server not allowed.");
        log_message(LOG_LEVEL_INFO,
                    "User %s not allowed on TS. Connection terminated", s->username);
        scp_session_destroy(s);
        return;
    }

    //check if we need password change

    /* list disconnected sessions */
    slist = session_get_byuser(s->username, &scount, SESMAN_SESSION_STATUS_DISCONNECTED);

    if (scount == 0)
    {
        /* no disconnected sessions - start a new one */
        log_message(LOG_LEVEL_DEBUG, "No disconnected sessions for this user"
                    "- we create a new one");

        if (0 != s->client_ip)
        {
            log_message(LOG_LEVEL_INFO, "++ created session (access granted): username %s, ip %s", s->username, s->client_ip);
        }
        else
        {
            log_message(LOG_LEVEL_INFO, "++ created session (access granted): username %s", s->username);
        }

        if (SCP_SESSION_TYPE_XVNC == s->type)
        {
            log_message(LOG_LEVEL_INFO, "starting Xvnc session...");
            display = session_start(s->width, s->height, s->bpp, s->username,
                                    s->password, data, SESMAN_SESSION_TYPE_XVNC,
                                    s->domain, s->program, s->directory, s->client_ip);
        }
        else
        {
            log_message(LOG_LEVEL_INFO, "starting X11rdp session...");
            display = session_start(s->width, s->height, s->bpp, s->username,
                                    s->password, data, SESMAN_SESSION_TYPE_XRDP,
                                    s->domain, s->program, s->directory, s->client_ip);
        }

        e = scp_v1s_connect_new_session(c, display);

        switch (e)
        {
            case SCP_SERVER_STATE_OK:
                /* all ok, we got new username and password */
                break;
            default:
                /* we check the other errors */
                parseCommonStates(e, "scp_v1s_connect_new_session()");
                break;
        }
    }
    else
    {
        /* one or more disconnected sessions - listing */
        e = scp_v1s_list_sessions(c, scount, slist, &sid);

        switch (e)
        {
                /*case SCP_SERVER_STATE_FORCE_NEW:*/
                /* we should check for MaxSessions */
            case SCP_SERVER_STATE_SELECTION_CANCEL:
                log_message( LOG_LEVEL_INFO, "Connection cancelled after session listing");
                break;
            case SCP_SERVER_STATE_OK:
                /* ok, reconnecting... */
                sitem = session_get_bypid(sid);

                if (0 == sitem)
                {
                    e = scp_v1s_connection_error(c, "Internal error");
                    log_message(LOG_LEVEL_INFO, "Cannot find session item on the chain");
                }
                else
                {
                    display = sitem->display;
                    /*e=scp_v1s_reconnect_session(c, sitem, display);*/
                    e = scp_v1s_reconnect_session(c, display);

                    if (0 != s->client_ip)
                    {
                        log_message(LOG_LEVEL_INFO, "++ reconnected session: username %s, display :%d.0, session_pid %d, ip %s", s->username, display, sitem->pid, s->client_ip);
                    }
                    else
                    {
                        log_message(LOG_LEVEL_INFO, "++ reconnected session: username %s, display :%d.0, session_pid %d", s->username, display, sitem->pid);
                    }

                    g_free(sitem);
                }

                break;
            default:
                /* we check the other errors */
                parseCommonStates(e, "scp_v1s_list_sessions()");
                break;
        }

        g_free(slist);
    }

    /* resource management */
    if ((e == SCP_SERVER_STATE_OK) && (s->rsr))
    {
        /* here goes scp resource sharing code */
    }

    /* cleanup */
    scp_session_destroy(s);
    auth_end(data);
}
Exemplo n.º 3
0
void DEFAULT_CC
scp_v0_process(struct SCP_CONNECTION *c, struct SCP_SESSION *s)
{
    int display = 0;
    tbus data;
    struct session_item *s_item;
    int errorcode = 0 ;

    data = auth_userpass(s->username, s->password,&errorcode);

    if (s->type == SCP_GW_AUTHENTICATION)
    {
        /* this is just authentication in a gateway situation */
        /* g_writeln("SCP_GW_AUTHENTICATION message received"); */
        if (data)
        {
            if (1 == access_login_allowed(s->username))
            {
                /* the user is member of the correct groups. */
                scp_v0s_replyauthentication(c, errorcode);
                log_message(LOG_LEVEL_INFO, "Access permitted for user: %s",
                            s->username);
                /* g_writeln("Connection allowed"); */
            }
            else
            {
                scp_v0s_replyauthentication(c, 32+3); /* all first 32 are reserved for PAM errors */
                log_message(LOG_LEVEL_INFO, "Username okey but group problem for "
                            "user: %s", s->username);
                /* g_writeln("user password ok, but group problem"); */
            }
        }
        else
        {
            /* g_writeln("username or password error"); */
            log_message(LOG_LEVEL_INFO, "Username or password error for user: %s",
                        s->username);
            scp_v0s_replyauthentication(c, errorcode);
        }

        auth_end(data);
    }
    else if (data)
    {
        s_item = session_get_bydata(s->username, s->width, s->height,
                                    s->bpp, s->type);

        if (s_item != 0)
        {
            display = s_item->display;

            if (0 != s->client_ip)
            {
                log_message( LOG_LEVEL_INFO, "++ reconnected session: username %s, "
                             "display :%d.0, session_pid %d, ip %s",
                             s->username, display, s_item->pid, s->client_ip);
            }
            else
            {
                log_message(LOG_LEVEL_INFO, "++ reconnected session: username %s, "
                            "display :%d.0, session_pid %d", s->username, display,
                            s_item->pid);
            }

            session_reconnect(display, s->username);
            auth_end(data);
            /* don't set data to null here */
        }
        else
        {
            LOG_DBG("pre auth");

            if (1 == access_login_allowed(s->username))
            {
                if (0 != s->client_ip)
                {
                    log_message(LOG_LEVEL_INFO, "++ created session (access granted): "
                                "username %s, ip %s", s->username, s->client_ip);
                }
                else
                {
                    log_message(LOG_LEVEL_INFO, "++ created session (access granted): "
                                "username %s", s->username);
                }

                if (SCP_SESSION_TYPE_XVNC == s->type)
                {
                    log_message( LOG_LEVEL_INFO, "starting Xvnc session...");
                    display = session_start(s->width, s->height, s->bpp, s->username,
                                            s->password, data, SESMAN_SESSION_TYPE_XVNC,
                                            s->domain, s->program, s->directory,
                                            s->client_ip);
                }
                else
                {
                    log_message(LOG_LEVEL_INFO, "starting X11rdp session...");
                    display = session_start(s->width, s->height, s->bpp, s->username,
                                            s->password, data, SESMAN_SESSION_TYPE_XRDP,
                                            s->domain, s->program, s->directory,
                                            s->client_ip);
                }
            }
            else
            {
                display = 0;
            }
        }

        if (display == 0)
        {
            auth_end(data);
            scp_v0s_deny_connection(c);
        }
        else
        {
            scp_v0s_allow_connection(c, display);
        }
    }
    else
    {
        scp_v0s_deny_connection(c);
    }
}
Exemplo n.º 4
0
void DEFAULT_CC
scp_v0_process(struct SCP_CONNECTION* c, struct SCP_SESSION* s)
{
  int display = 0;
  tbus data;
  struct session_item* s_item;

  data = auth_userpass(s->username, s->password);

  if (data)
  {
    s_item = session_get_bydata(s->username, s->width, s->height, s->bpp, s->type);
    if (s_item != 0)
    {
      display = s_item->display;
      if (0 != s->client_ip)
      {
        log_message(&(g_cfg->log), LOG_LEVEL_INFO, "++ reconnected session: username %s, display :%d.0, session_pid %d, ip %s", s->username, display, s_item->pid, s->client_ip);
      }
      else
      {
        log_message(&(g_cfg->log), LOG_LEVEL_INFO, "++ reconnected session: username %s, display :%d.0, session_pid %d", s->username, display, s_item->pid);
      }
      auth_end(data);
      /* don't set data to null here */
    }
    else
    {
      LOG_DBG(&(g_cfg->log), "pre auth");
      if (1 == access_login_allowed(s->username))
      {
        if (0 != s->client_ip)
        {
          log_message(&(g_cfg->log), LOG_LEVEL_INFO, "++ created session (access granted): username %s, ip %s", s->username, s->client_ip);
        }
        else
        {
          log_message(&(g_cfg->log), LOG_LEVEL_INFO, "++ created session (access granted): username %s", s->username);
        }

        if (SCP_SESSION_TYPE_XVNC == s->type)
        {
          log_message(&(g_cfg->log), LOG_LEVEL_INFO, "starting Xvnc session...");
          display = session_start(s->width, s->height, s->bpp, s->username,
                                  s->password, data, SESMAN_SESSION_TYPE_XVNC,
                                  s->domain, s->program, s->directory, s->client_ip);
        }
        else
        {
          log_message(&(g_cfg->log), LOG_LEVEL_INFO, "starting X11rdp session...");
          display = session_start(s->width, s->height, s->bpp, s->username,
                                  s->password, data, SESMAN_SESSION_TYPE_XRDP,
                                  s->domain, s->program, s->directory, s->client_ip);
        }
      }
      else
      {
        display = 0;
      }
    }
    if (display == 0)
    {
      auth_end(data);
      scp_v0s_deny_connection(c);
    }
    else
    {
      scp_v0s_allow_connection(c, display);
    }
  }
  else
  {
    scp_v0s_deny_connection(c);
  }
}
Exemplo n.º 5
0
void DEFAULT_CC
scp_v0_process(struct SCP_CONNECTION* c, struct SCP_SESSION* s)
{
	int display = 0;
	tbus data;
	struct session_item* s_item;

	tc_mutex_lock(session_creation_lock);
	data = auth_userpass(NULL, s->username, s->password);

	#ifdef CHECK_PREMIUM_EDITION
	bool valid = true;
	if (get_module_version(get_module_name()) & PREMIUM_EDITION) {
	  printf("%s %i %i  %i \n", __FUNCTION__, g_time3(), last_time_premium_edition_check, CHECK_INTERVAL);
	  if (((g_time3() - last_time_premium_edition_check) > CHECK_INTERVAL) ||  last_time_premium_edition_check == 0) {
	    printf("%s FOFOFOOF\n", __FUNCTION__);
	    valid = check_premium_edition();
	  }
	}
	if (!valid) {
	  data = 0;
	  scp_v0s_deny_connection(c, "Unable to launch the session\nInvalid License\nPlease contact your administrator\n");
	  tc_mutex_unlock(session_creation_lock);
	  return;
	}
#endif

	if (data == 0)
	{
		log_message(&(g_cfg->log), LOG_LEVEL_WARNING, "User %s failed to authenticate", s->username);
		scp_v0s_deny_connection(c, "Your username or \nyour password is invalid");
		tc_mutex_unlock(session_creation_lock);
		return;
	}
	lock_chain_acquire();
	s_item = session_get_bydata(s->username);
	lock_chain_release();

	if (s_item != 0)
	{
		log_message(&(g_cfg->log), LOG_LEVEL_INFO, "A session for User %s already exist", s->username);
		display = s_item->display;
		if (s_item->status == SESMAN_SESSION_STATUS_TO_DESTROY)
		{
			log_message(&(g_cfg->log), LOG_LEVEL_WARNING, "Session for user %s is in destroy, unable to initialize a new session", s->username);
			scp_v0s_deny_connection(c, "Your last session is currently \nended, retry later");
		}
		else
		{
			session_update_status_by_user(s_item->name, SESMAN_SESSION_STATUS_ACTIVE);
			log_message(&(g_cfg->log), LOG_LEVEL_INFO, "switch from status DISCONNECTED to ACTIVE");
			session_switch_resolution(s->width, s->height, display);
			session_add_client_pid(s_item->name, s->client_pid);

			scp_v0s_allow_connection(c, display);
		}

		auth_end(data);
		tc_mutex_unlock(session_creation_lock);
		return;
	}
	log_message(&(g_cfg->log), LOG_LEVEL_DEBUG, "No session already started for the user %s", s->username);
	if (access_login_allowed(s->username) == 0)
	{
		log_message(&(g_cfg->log), LOG_LEVEL_WARNING, "User %s is not allow to start session", s->username);
		display = 0;
		scp_v0s_deny_connection(c, "You are not allowed\nto start a session\n");

		auth_end(data);
		tc_mutex_unlock(session_creation_lock);
		return;
	}

	log_message(&(g_cfg->log), LOG_LEVEL_INFO, "granted TS access to user %s", s->username);
	if (SCP_SESSION_TYPE_XVNC == s->type)
	{
		log_message(&(g_cfg->log), LOG_LEVEL_INFO, "starting Xvnc session for the user %s ...", s->username);
		display = session_start(s->width, s->height, s->bpp, s->username,
				s->password, data, SESMAN_SESSION_TYPE_XVNC,
				s->domain, s->program, s->directory, s->keylayout, s->client_pid, s->use_scim);
	}
	else
	{
		log_message(&(g_cfg->log), LOG_LEVEL_INFO, "starting X11rdp session for the user %s ...", s->username);
		display = session_start(s->width, s->height, s->bpp, s->username,
				s->password, data, SESMAN_SESSION_TYPE_XRDP,
				s->domain, s->program, s->directory, s->keylayout, s->client_pid, s->use_scim);
	}

	auth_end(data);
	if (display == 0)
	{
		data = 0;
		scp_v0s_deny_connection(c, "Unable to launch the session\nPlease contact\nyour administrator\n");
	}
	else
	{
		scp_v0s_allow_connection(c, display);
	}

	tc_mutex_unlock(session_creation_lock);
}