uint8_t wifi_set_profile( char* ssid, char* password, uint8_t encrypt_mode){
uint8_t pairwise_cipher_or_key_len, group_cipher, key_management, key_len;
uint8_t* key;
switch(encrypt_mode){
case WLAN_SEC_UNSEC://None
pairwise_cipher_or_key_len = 0;
group_cipher = 0;
key_management = 0;
key = NULL;
key_len = 0;
break;
case WLAN_SEC_WEP://WEP
pairwise_cipher_or_key_len = strlen(password);
group_cipher = 0;
key_management = 1; // TODO the various posts about it diverge on this value. Some say it should be 1 (http://e2e.ti.com/support/low_power_rf/f/851/t/311630.aspx), driver code uses 0...
key = (uint8_t*)password;
key_len = 0;
break;
case WLAN_SEC_WPA://WPA
case WLAN_SEC_WPA2://WPA2
pairwise_cipher_or_key_len = 0x18;
group_cipher = 0x1e;
key_management = 2;
key = (uint8_t*)password;
key_len = strlen(password);
break;
default:
DWIFI_ERR_PRINTF("ERR encrypt mode=%u\r\n",encrypt_mode);
return 2;
break;
}
// delete all profiles
CC3000_WIFI_CHECK_SUCCESS( wlan_ioctl_del_profile(255), "ERR del prof.", 1);
DWIFI_INFO_PRINTLN("del prof");
// write profile
CC3000_WIFI_CHECK_SUCCESS(
wlan_add_profile(
encrypt_mode, // security type
(uint8_t*)ssid, // SSID
strlen(ssid), // SSID length
NULL, // BSSID (currently unsupported it seems)
1, // Priority
pairwise_cipher_or_key_len, // PairwiseCipher
group_cipher, // GroupCipher
key_management, // KEY management
key, // KEY
key_len), // KEY length
"ERR prof",
2);
DWIFI_INFO_PRINTLN("prof added");
//set policy to use profiles and fast reconnect
CC3000_WIFI_CHECK_SUCCESS( wlan_ioctl_set_connection_policy(0, 1, 1), "ERR connect policy", 3);
DWIFI_INFO_PRINTLN("connect policy 011");
return 0;
}
void ManualAddProfile(void)
{
char ssidName[] = "YourAP";
char AP_KEY[] = "yourpass";
uint8_t rval;
if (!isInitialized)
{
printf("CC3000 not initialized; can't run manual add profile.");
return;
}
printf("Starting manual add profile...\n");
printf(" Disabling auto connection...\n");
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE);
printf(" Adding profile...\n");
rval = wlan_add_profile (
WLAN_SEC_WPA2, /* WLAN_SEC_UNSEC, WLAN_SEC_WEP, WLAN_SEC_WPA or WLAN_SEC_WPA2 */
(uint8_t *)ssidName,
strlen(ssidName),
NULL, /* BSSID, TI always uses NULL */
0, /* Profile priority */
0x18, /* Key length for WEP security, undocumented why this needs to be 0x18 */
0x1e, /* Key index, undocumented why this needs to be 0x1e */
0x2, /* key management, undocumented why this needs to be 2 */
(uint8_t *)AP_KEY, /* WPA security key */
strlen(AP_KEY) /* WPA security key length */
);
if (rval!=255)
{
/* This code is lifted from http://e2e.ti.com/support/low_power_rf/f/851/p/180859/672551.aspx;
* the actual API documentation on wlan_add_profile doesn't specify any of this....
*/
printf(" Manual add profile success, stored in profile: %d\n", rval);
printf(" Enabling auto connection...\n");
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, ENABLE);
printf(" Stopping CC3000...\n");
wlan_stop();
printf(" Stopping for 5 seconds...\n");
usleep(5000000);
printf(" Restarting CC3000...\n");
wlan_start(0);
printf(" Manual add profile done!");
}
else
{
printf(" Manual add profile failured (all profiles full?).");
}
}
void wifi_add_profile_callback(const char *ssid,
const char *password,
unsigned long security_type)
{
if (0 == password[0]) {
security_type = WLAN_SEC_UNSEC;
}
wlan_profile_index = wlan_add_profile(security_type, (unsigned char *)ssid, strlen(ssid), NULL, 1, 0x18, 0x1e, 2, (unsigned char *)password, strlen(password));
WLAN_SERIAL_CONFIG_DONE = 1;
}
BOOL cc3000_addProfile(const char* ssid, const char* key, uint8_t secmode) {
uint32_t ulPriority = 0;
// taken from wlan.c WPA smart config example
uint32_t ulPairwiseCipher_Or_TxKeyLen = 0x18;
uint32_t ulGroupCipher_TxKeyIndex = 0x1e;
uint32_t ulKeyMgmt = 0x2;
int32_t result = wlan_add_profile(secmode, (uint8_t*)ssid, strlen(ssid), NULL, ulPriority, ulPairwiseCipher_Or_TxKeyLen, ulGroupCipher_TxKeyIndex, ulKeyMgmt, (uint8_t*)key, strlen(key));
if (result == -1) {
printf("failed to add profile %ld\n", result);
return FALSE;
}
return TRUE;
}
static void cmd_setup_cc3000(BaseSequentialStream *chp, int argc, char *argv[])
{
char ssid_name[32];
char ssid_key[40];
char ssid_sectype[3];
unsigned long sectype;
unsigned char rval;
(void)argv;
if(argc > 0)
{
chprintf(chp, "Usage: smartcfg\r\n");
return;
}
chprintf(chp, "Enter Security profile: \r\n");
chprintf(chp, " [0] Unsecured\r\n");
chprintf(chp, " [1] WEP\r\n");
chprintf(chp, " [2] WPA\r\n");
chprintf(chp, " [3] WPA2\r\n");
shellGetLine(chp, ssid_sectype, 3);
sectype = ssid_sectype[0] - '0';
chprintf(chp, "Enter the AP SSID\r\n");
shellGetLine(chp, ssid_name, 32);
chprintf(chp, "Enter SSID Key\r\n");
shellGetLine(chp, ssid_key, 40);
chprintf(chp, "Type[%d]\r\n", sectype);
chprintf(chp, "SSID[%s]\r\n", ssid_name);
chprintf(chp, "Passkey[%s]\r\n", ssid_key);
chprintf(chp, "Disabling connection policy ...\r\n");
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, DISABLE);
chprintf(chp, "Adding profile ...\r\n");
rval = wlan_add_profile(sectype,
(unsigned char *) ssid_name,
strlen(ssid_name),
NULL,
0,
0x18,
0x1e,
0x2,
(unsigned char *) ssid_key,
strlen(ssid_key)
);
if (rval != 255)
{
chprintf(chp, "Add profile returned: %d\r\n", rval);
chprintf(chp, "Enabling auto connect ...\r\n");
wlan_ioctl_set_connection_policy(DISABLE, DISABLE, ENABLE);
chprintf(chp, "Restarting wlan ...\r\n");
wlan_stop();
chThdSleep(MS2ST(500));
wlan_start(0);
return;
}else
{
// TODO: Delete profiles and add again
chprintf(chp, "Error adding profile (list full) ...\r\n");
return;
}
chprintf(chp, "Lan profile added!\r\n");
}
long
wlan_smart_config_process()
{
signed long returnValue;
unsigned long ssidLen, keyLen;
unsigned char *decKeyPtr;
unsigned char *ssidPtr;
// read the key from EEPROM - fileID 12
returnValue = aes_read_key(key);
if (returnValue != 0)
return returnValue;
// read the received data from fileID #13 and parse it according to the followings:
// 1) SSID LEN - not encrypted
// 2) SSID - not encrypted
// 3) KEY LEN - not encrypted. always 32 bytes long
// 4) Security type - not encrypted
// 5) KEY - encrypted together with true key length as the first byte in KEY
// to elaborate, there are two corner cases:
// 1) the KEY is 32 bytes long. In this case, the first byte does not represent KEY length
// 2) the KEY is 31 bytes long. In this case, the first byte represent KEY length and equals 31
returnValue = nvmem_read(NVMEM_SHARED_MEM_FILEID, SMART_CONFIG_PROFILE_SIZE, 0, profileArray);
if (returnValue != 0)
return returnValue;
ssidPtr = &profileArray[1];
ssidLen = profileArray[0];
decKeyPtr = &profileArray[profileArray[0] + 3];
aes_decrypt(decKeyPtr, key);
if (profileArray[profileArray[0] + 1] > 16)
aes_decrypt((unsigned char *)(decKeyPtr + 16), key);
if (*(unsigned char *)(decKeyPtr +31) != 0)
{
if (*decKeyPtr == 31)
{
keyLen = 31;
decKeyPtr++;
}
else
{
keyLen = 32;
}
}
else
{
keyLen = *decKeyPtr;
decKeyPtr++;
}
// add a profile
switch (profileArray[profileArray[0] + 2])
{
case WLAN_SEC_UNSEC://None
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], // security type
ssidPtr, // SSID
ssidLen, // SSID length
NULL, // BSSID
1, // Priority
0, 0, 0, 0, 0);
break;
}
case WLAN_SEC_WEP://WEP
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], // security type
ssidPtr, // SSID
ssidLen, // SSID length
NULL, // BSSID
1, // Priority
keyLen, // KEY length
0, // KEY index
0,
decKeyPtr, // KEY
0);
break;
}
case WLAN_SEC_WPA://WPA
case WLAN_SEC_WPA2://WPA2
{
returnValue = wlan_add_profile(WLAN_SEC_WPA2, // security type
ssidPtr,
ssidLen,
NULL, // BSSID
1, // Priority
0x18, // PairwiseCipher
0x1e, // GroupCipher
2, // KEY management
decKeyPtr, // KEY
keyLen); // KEY length
break;
}
}
return returnValue;
}
long wlan_smart_config_process()
{
signed long returnValue;
unsigned long ssidLen, keyLen;
uint8_t *decKeyPtr;
uint8_t *ssidPtr;
/* Read the key from EEPROM - fileID 12 */
returnValue = aes_read_key(akey);
if (returnValue != 0)
{
return returnValue;
}
/* Read the received data from fileID #13 and parse it according to the followings:
* 1) SSID LEN - not encrypted
* 2) SSID - not encrypted
* 3) KEY LEN - not encrypted. always 32 bytes long
* 4) Security type - not encrypted
* 5) KEY - encrypted together with true key length as the first byte in KEY
* to elaborate, there are two corner cases:
* 1) the KEY is 32 bytes long. In this case, the first byte does not represent
* KEY length
* 2) the KEY is 31 bytes long. In this case, the first byte represent KEY
* length and equals 31
*/
returnValue = nvmem_read(NVMEM_SHARED_MEM_FILEID, SMART_CONFIG_PROFILE_SIZE,
0, profileArray);
if (returnValue != 0)
{
return returnValue;
}
ssidPtr = &profileArray[1];
ssidLen = profileArray[0];
decKeyPtr = &profileArray[profileArray[0] + 3];
aes_decrypt(decKeyPtr, akey);
if (profileArray[profileArray[0] + 1] > 16)
{
aes_decrypt((uint8_t *)(decKeyPtr + 16), akey);
}
if (*(uint8_t *)(decKeyPtr +31) != 0)
{
if (*decKeyPtr == 31)
{
keyLen = 31;
decKeyPtr++;
}
else
{
keyLen = 32;
}
}
else
{
keyLen = *decKeyPtr;
decKeyPtr++;
}
/* Add a profile */
switch (profileArray[profileArray[0] + 2])
{
case WLAN_SEC_UNSEC: /* None */
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], /* Security type */
ssidPtr, /* SSID */
ssidLen, /* SSID length */
NULL, /* BSSID */
1, /* Priority */
0, 0, 0, 0, 0);
break;
}
case WLAN_SEC_WEP: /* WEP */
{
returnValue = wlan_add_profile(profileArray[profileArray[0] + 2], /* Security type */
ssidPtr, /* SSID */
ssidLen, /* SSID length */
NULL, /* BSSID */
1, /* Priority */
keyLen, /* KEY length */
0, /* KEY index */
0,
decKeyPtr, /* KEY */
0);
break;
}
case WLAN_SEC_WPA: /* WPA */
case WLAN_SEC_WPA2: /* WPA2 */
{
returnValue = wlan_add_profile(WLAN_SEC_WPA2, /* Security type */
ssidPtr,
ssidLen,
NULL, /* BSSID */
1, /* Priority */
0x18, /* PairwiseCipher */
0x1e, /* GroupCipher */
2, /* KEY management */
decKeyPtr, /* KEY */
keyLen); /* KEY length */
break;
}
}
return returnValue;
}