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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <stdlib.h>
     18 
     19 #define LOG_TAG "SupplicantEventFactory"
     20 #include <cutils/log.h>
     21 
     22 #include "SupplicantEvent.h"
     23 #include "SupplicantEventFactory.h"
     24 #include "SupplicantAssociatingEvent.h"
     25 #include "SupplicantAssociatedEvent.h"
     26 #include "SupplicantConnectedEvent.h"
     27 #include "SupplicantStateChangeEvent.h"
     28 #include "SupplicantScanResultsEvent.h"
     29 #include "SupplicantConnectionTimeoutEvent.h"
     30 #include "SupplicantDisconnectedEvent.h"
     31 #if 0
     32 #include "SupplicantTerminatingEvent.h"
     33 #include "SupplicantPasswordChangedEvent.h"
     34 #include "SupplicantEapNotificationEvent.h"
     35 #include "SupplicantEapStartedEvent.h"
     36 #include "SupplicantEapMethodEvent.h"
     37 #include "SupplicantEapSuccessEvent.h"
     38 #include "SupplicantEapFailureEvent.h"
     39 #include "SupplicantLinkSpeedEvent.h"
     40 #include "SupplicantDriverStateEvent.h"
     41 #endif
     42 
     43 #include "libwpa_client/wpa_ctrl.h"
     44 
     45 SupplicantEventFactory::SupplicantEventFactory() {
     46 }
     47 
     48 SupplicantEvent *SupplicantEventFactory::createEvent(char *event, size_t len) {
     49     int level = 0;
     50 
     51     if (event[0] == '<') {
     52         char *match = strchr(event, '>');
     53         if (match) {
     54             char tmp[16];
     55 
     56             strncpy(tmp, &event[1], (match - event));
     57             level = atoi(tmp);
     58             event += (match - event) + 1;
     59         } else
     60             LOGW("Unclosed level brace in event");
     61     } else
     62         LOGW("No level specified in event");
     63 
     64     /*
     65      * <N>CTRL-EVENT-XXX
     66      *    ^
     67      *    +---- event
     68      */
     69 
     70     if (!strncmp(event, "Authentication with ", 20)) {
     71         if (!strcmp(event + strlen(event) - strlen(" timed out."),
     72                     " timed out.")) {
     73             return new SupplicantConnectionTimeoutEvent(level,
     74                                                         event + 20,
     75                                                         len);
     76         } else
     77             return NULL;
     78 
     79     } else if (!strncmp(event, "Associated with ", 16))
     80         return new SupplicantAssociatedEvent(level, event + 16, len);
     81     else if (!strncmp(event, "Trying to associate with ", 25))
     82         return new SupplicantAssociatingEvent(level, event + 25, len);
     83     else if (!strncmp(event, WPA_EVENT_CONNECTED, strlen(WPA_EVENT_CONNECTED))) {
     84         return new SupplicantConnectedEvent(level,
     85                                             event + strlen(WPA_EVENT_CONNECTED),
     86                                             len);
     87     } else if (!strncmp(event, WPA_EVENT_SCAN_RESULTS, strlen(WPA_EVENT_SCAN_RESULTS))) {
     88         return new SupplicantScanResultsEvent(level,
     89                                               event + strlen(WPA_EVENT_SCAN_RESULTS),
     90                                               len);
     91     } else if (!strncmp(event, WPA_EVENT_STATE_CHANGE, strlen(WPA_EVENT_STATE_CHANGE))) {
     92         return new SupplicantStateChangeEvent(level,
     93                                               event + strlen(WPA_EVENT_STATE_CHANGE),
     94                                               len);
     95     }
     96     else if (!strncmp(event, WPA_EVENT_DISCONNECTED, strlen(WPA_EVENT_DISCONNECTED)))
     97         return new SupplicantDisconnectedEvent(level, event, len);
     98 #if 0
     99     else if (!strncmp(event, WPA_EVENT_TERMINATING, strlen(WPA_EVENT_TERMINATING)))
    100         return new SupplicantTerminatingEvent(event, len);
    101     else if (!strncmp(event, WPA_EVENT_PASSWORD_CHANGED, strlen(WPA_EVENT_PASSWORD_CHANGED)))
    102         return new SupplicantPasswordChangedEvent(event, len);
    103     else if (!strncmp(event, WPA_EVENT_EAP_NOTIFICATION, strlen(WPA_EVENT_EAP_NOTIFICATION)))
    104         return new SupplicantEapNotificationEvent(event, len);
    105     else if (!strncmp(event, WPA_EVENT_EAP_STARTED, strlen(WPA_EVENT_EAP_STARTED)))
    106         return new SupplicantEapStartedEvent(event, len);
    107     else if (!strncmp(event, WPA_EVENT_EAP_METHOD, strlen(WPA_EVENT_EAP_METHOD)))
    108         return new SupplicantEapMethodEvent(event, len);
    109     else if (!strncmp(event, WPA_EVENT_EAP_SUCCESS, strlen(WPA_EVENT_EAP_SUCCESS)))
    110         return new SupplicantEapSuccessEvent(event, len);
    111     else if (!strncmp(event, WPA_EVENT_EAP_FAILURE, strlen(WPA_EVENT_EAP_FAILURE)))
    112         return new SupplicantEapFailureEvent(event, len);
    113     else if (!strncmp(event, WPA_EVENT_LINK_SPEED, strlen(WPA_EVENT_LINK_SPEED)))
    114         return new SupplicantLinkSpeedEvent(event, len);
    115     else if (!strncmp(event, WPA_EVENT_DRIVER_STATE, strlen(WPA_EVENT_DRIVER_STATE)))
    116          return new SupplicantDriverStateEvent(event, len);
    117 #endif
    118     return NULL;
    119 }
    120