/*
* Arguments:
* argv[2] - wlan interface
* argv[3] - SSID
* argv[4] - Broadcast/Hidden
* argv[5] - Channel
* argv[6] - Security
* argv[7] - Key
*/
int SoftapController::setSoftap(int argc, char *argv[]) {
int ret = 0;
char buf[1024];
int channel = AP_CHANNEL_DEFAULT;
ALOGD("%s - %s - %s - %s - %s - %s",argv[2],argv[3],argv[4],argv[5],argv[6],argv[7]);
if (argc < 4) {
ALOGE("Softap set - missing arguments");
return -1;
}
FILE* fp = fopen(HOSTAPD_CONF_TEMPLATE_FILE, "r");
if (!fp) {
ALOGE("Softap set - hostapd template file read failed");
return -1;
}
FILE* fp2 = fopen(HOSTAPD_CONF_FILE, "w");
if (!fp2) {
ALOGE("Softap set - hostapd.conf file read failed");
fclose(fp);
return -1;
}
while (fgets(buf, sizeof(buf), fp)) {
if((strncmp(buf, "ssid=",5) == 0) ||
(strncmp(buf, "wpa=",4) == 0) ||
(strncmp(buf, "wpa_passphrase=",15) == 0) ||
(strncmp(buf, "wpa_key_mgmt=",12) == 0) ||
(strncmp(buf, "wpa_pairwise=",12) == 0) ||
(strncmp(buf, "rsn_pairwise=",12) == 0) ||
(strncmp(buf, "interface=",10) == 0)) {
continue;
}
fputs(buf,fp2);
}
// Update interface
sprintf(buf, "interface=%s\n", AP_INTERFACE);
fputs(buf, fp2);
// Update interface path
sprintf(buf, "ctrl_interface=%s\n", AP_INTERFACE_PATH);
fputs(buf, fp2);
// Update SSID
sprintf(buf, "ssid=%s\n",argv[3]);
fputs(buf, fp2);
// Update Channel
if (argc >= 5) {
channel = atoi(argv[5]);
if (channel <= 0) {
channel = AP_CHANNEL_DEFAULT;
}
sprintf(buf, "channel=%d\n",channel);
}
// Update security
if (argc > 7) {
if(strncmp(argv[6],"wpa2-psk",8) == 0) {
sprintf(buf, "wpa=2\nwpa_passphrase=%s\nwpa_key_mgmt=WPA-PSK\n"
"wpa_pairwise=CCMP\nrsn_pairwise=CCMP\n", argv[7]);
fputs(buf, fp2);
}
if(strncmp(argv[6],"wpa-psk",7) == 0) {
sprintf(buf, "wpa=1\nwpa_passphrase=%s\nwpa_key_mgmt=WPA-PSK\n"
"wpa_pairwise=TKIP\nrsn_pairwise=TKIP\n", argv[7]);
fputs(buf, fp2);
}
}
fclose(fp);
fclose(fp2);
if (chmod(HOSTAPD_CONF_FILE, 0660) < 0) {
ALOGE("Error changing permissions of %s to 0660: %s",
HOSTAPD_CONF_FILE, strerror(errno));
unlink(HOSTAPD_CONF_FILE);
return -1;
}
if (chown(HOSTAPD_CONF_FILE, AID_SYSTEM, AID_WIFI) < 0) {
ALOGE("Error changing group ownership of %s to %d: %s",
HOSTAPD_CONF_FILE, AID_WIFI, strerror(errno));
unlink(HOSTAPD_CONF_FILE);
return -1;
}
// we take the wakelock here because the stop/start is lengthy
acquire_wake_lock(PARTIAL_WAKE_LOCK, AP_WAKE_LOCK);
// restart hostapd to update configuration
ret = stopHostapd();
if (ret != 0)
goto fail_switch;
ret = startHostapd();
if (ret != 0)
goto fail_switch;
ALOGD("hostapd set - Ok");
return 0;
fail_switch:
release_wake_lock(AP_WAKE_LOCK);
ALOGD("hostapd set - failed. AP is off.");
return ret;
}
/*
* Arguments:
* argv[2] - wlan interface
* argv[3] - softap interface
* argv[4] - SSID
* argv[5] - Security
* argv[6] - Key
* argv[7] - Channel
* argv[8] - Preamble
* argv[9] - Max SCB
*/
int SoftapController::setSoftap(int argc, char *argv[]) {
int ret = 0;
char buf[1024];
int sta_chan, is_g_mode;
LOGD("%s - %s - %s - %s - %s - %s",argv[2],argv[3],argv[4],argv[5],argv[6],argv[7]);
if (argc < 4) {
LOGE("Softap set - missing arguments");
return -1;
}
FILE* fp = fopen(HOSTAPD_CONF_TEMPLATE_FILE, "r");
if (!fp) {
LOGE("Softap set - hostapd template file read failed");
return -1;
}
FILE* fp2 = fopen(HOSTAPD_CONF_FILE, "w");
if (!fp2) {
LOGE("Softap set - hostapd.conf file read failed");
fclose(fp);
return -1;
}
while (fgets(buf, sizeof(buf), fp)) {
if((strncmp(buf, "ssid=",5) == 0) ||
(strncmp(buf, "wpa=",4) == 0) ||
(strncmp(buf, "wpa_passphrase=",15) == 0) ||
(strncmp(buf, "wpa_key_mgmt=",12) == 0) ||
(strncmp(buf, "wpa_pairwise=",12) == 0) ||
(strncmp(buf, "rsn_pairwise=",12) == 0) ||
(strncmp(buf, "interface=",10) == 0)) {
continue;
}
fputs(buf,fp2);
}
// Update interface
sprintf(buf, "interface=%s\n", AP_INTERFACE);
fputs(buf, fp2);
// Update SSID
sprintf(buf, "ssid=%s\n",argv[4]);
fputs(buf, fp2);
// Update security
if(strncmp(argv[5],"wpa2-psk",8) == 0) {
sprintf(buf, "wpa=2\nwpa_passphrase=%s\nwpa_key_mgmt=WPA-PSK\n"
"wpa_pairwise=CCMP\nrsn_pairwise=CCMP\n", argv[6]);
fputs(buf, fp2);
}
if(strncmp(argv[5],"wpa-psk",7) == 0) {
sprintf(buf, "wpa=1\nwpa_passphrase=%s\nwpa_key_mgmt=WPA-PSK\n"
"wpa_pairwise=TKIP\nrsn_pairwise=TKIP\n", argv[6]);
fputs(buf, fp2);
}
// Choose the correct channel - based on the current channel of the STA
if (getStaChanAndMode(&sta_chan, &is_g_mode) != 0 || sta_chan == 0) {
/* default to channel 11 on G */
sta_chan = 11;
is_g_mode = 1;
}
LOGD("AP starting on channel %d g_mode: %d", sta_chan, is_g_mode);
sprintf(buf, "hw_mode=%s\nchannel=%d\n", is_g_mode ? "g" : "a", sta_chan);
fputs(buf, fp2);
fclose(fp);
fclose(fp2);
// we take the wakelock here because the stop/start is lengthy
acquire_wake_lock(PARTIAL_WAKE_LOCK, AP_WAKE_LOCK);
// switch interface to wlan1
ret = switchInterface(true);
if (ret != 0)
goto fail_switch;
// restart hostapd to update configuration
ret = stopHostapd();
if (ret != 0)
goto fail;
ret = startHostapd();
if (ret != 0)
goto fail;
LOGD("hostapd set - Ok");
return 0;
fail:
switchInterface(false);
fail_switch:
release_wake_lock(AP_WAKE_LOCK);
LOGD("hostapd set - failed. AP is off.");
return ret;
}
