Merge pull request #8147 from AriParkkila/cell-auth

Fix authentication on a cellular network for Access Point Name (APN)
pull/8225/head
Cruz Monrreal 2018-09-22 16:25:35 -05:00 committed by GitHub
commit 73a96a68cf
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9 changed files with 52 additions and 6 deletions

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@ -162,7 +162,7 @@ static void udp_network_stack()
cellular.set_sim_pin(MBED_CONF_APP_CELLULAR_SIM_PIN);
#ifdef MBED_CONF_APP_APN
CellularNetwork *network = cellular.get_network();
TEST_ASSERT(network->set_credentials(MBED_CONF_APP_APN) == NSAPI_ERROR_OK);
TEST_ASSERT(network->set_credentials(MBED_CONF_APP_APN, MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == NSAPI_ERROR_OK);
#endif
cellular_target_state = CellularConnectionFSM::STATE_CONNECTED;
TEST_ASSERT(cellular.continue_to_state(cellular_target_state) == NSAPI_ERROR_OK);

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@ -390,7 +390,7 @@ public:
*
* @return NSAPI_ERROR_OK on success
* NSAPI_ERROR_NO_CONNECTION if fails to find suitable context to activate or activation failed (if not already activated)
* NSAPI_ERROR_UNSUPPORTED if NetworkStack was not found
* NSAPI_ERROR_UNSUPPORTED if NetworkStack was not found or cellular device does not support authentication
* NSAPI_ERROR_AUTH_FAILURE if password and username were provided and authentication to network failed
* Also if PPP mode
* NSAPI_ERROR_DEVICE_ERROR on failure and check more error from nsapi_ppp_connect(...)

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@ -51,6 +51,7 @@ public:
enum SupportedFeature {
AT_CGSN_WITH_TYPE, // AT+CGSN without type is likely always supported similar to AT+GSN
AT_CGDATA, // alternative is to support only ATD*99***<cid>#
AT_CGAUTH, // APN authentication AT commands supported
SUPPORTED_FEATURE_END_MARK // must be last element in the array of features
};
static void set_unsupported_features(const SupportedFeature *unsupported_features);

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@ -210,6 +210,9 @@ nsapi_error_t AT_CellularNetwork::set_credentials(const char *apn,
}
if (username && (len = strlen(username)) > 0) {
if (!is_supported(AT_CGAUTH)) { // APN authentication is needed with username/password
return NSAPI_ERROR_UNSUPPORTED;
}
_uname = (char *)malloc(len * sizeof(char) + 1);
if (_uname) {
memcpy(_uname, username, len + 1);
@ -279,10 +282,7 @@ nsapi_error_t AT_CellularNetwork::activate_context()
nsapi_error_t err = NSAPI_ERROR_OK;
// try to find or create context with suitable stack
if (get_context()) {
// try to authenticate user before activating or modifying context
err = do_user_authentication();
} else {
if (!get_context()) {
err = NSAPI_ERROR_NO_CONNECTION;
}
@ -315,6 +315,12 @@ nsapi_error_t AT_CellularNetwork::activate_context()
_at.resp_stop();
if (!_is_context_active) {
// authenticate before activating or modifying context
if (do_user_authentication() != NSAPI_ERROR_OK) {
tr_error("Cellular authentication failed!");
return _at.unlock_return_error();
}
tr_info("Activate PDP context %d", _cid);
_at.cmd_start("AT+CGACT=1,");
_at.write_int(_cid);
@ -509,6 +515,9 @@ nsapi_error_t AT_CellularNetwork::do_user_authentication()
{
// if user has defined user name and password we need to call CGAUTH before activating or modifying context
if (_pwd && _uname) {
if (!is_supported(AT_CGAUTH)) {
return NSAPI_ERROR_UNSUPPORTED;
}
_at.cmd_start("AT+CGAUTH=");
_at.write_int(_cid);
_at.write_int(_authentication_type);

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@ -146,6 +146,12 @@ protected:
*/
virtual nsapi_error_t set_access_technology_impl(RadioAccessTechnology op_rat);
/** APN user authentication
*
* @return NSAPI_ERROR_OK on success
* NSAPI_ERROR_UNSUPPORTED on authentication not supported by cellular device
* NSAPI_ERROR_AUTH_FAILURE on authentication to network failed
*/
virtual nsapi_error_t do_user_authentication();
private:
// "NO CARRIER" urc

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@ -31,8 +31,14 @@
using namespace events;
using namespace mbed;
static const AT_CellularBase::SupportedFeature unsupported_features[] = {
AT_CellularBase::AT_CGAUTH, // BC95_AT_Commands_Manual_V1.9
AT_CellularBase::SUPPORTED_FEATURE_END_MARK
};
QUECTEL_BC95::QUECTEL_BC95(EventQueue &queue) : AT_CellularDevice(queue)
{
AT_CellularBase::set_unsupported_features(unsupported_features);
}
QUECTEL_BC95::~QUECTEL_BC95()

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@ -111,3 +111,24 @@ nsapi_error_t QUECTEL_BG96_CellularNetwork::set_access_technology_impl(RadioAcce
return _at.unlock_return_error();
}
nsapi_error_t QUECTEL_BG96_CellularNetwork::do_user_authentication()
{
if (_pwd && _uname) {
_at.cmd_start("AT+QICSGP=");
_at.write_int(_cid);
_at.write_int(1); // IPv4
_at.write_string(_apn);
_at.write_string(_uname);
_at.write_string(_pwd);
_at.write_int(_authentication_type);
_at.cmd_stop();
_at.resp_start();
_at.resp_stop();
if (_at.get_last_error() != NSAPI_ERROR_OK) {
return NSAPI_ERROR_AUTH_FAILURE;
}
}
return NSAPI_ERROR_OK;
}

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@ -33,6 +33,8 @@ protected:
virtual nsapi_error_t set_access_technology_impl(RadioAccessTechnology opRat);
virtual bool get_modem_stack_type(nsapi_ip_stack_t requested_stack);
virtual nsapi_error_t do_user_authentication();
};
} // namespace mbed

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@ -24,6 +24,7 @@ using namespace events;
static const AT_CellularBase::SupportedFeature unsupported_features[] = {
AT_CellularBase::AT_CGSN_WITH_TYPE, // HE910/UE910/UL865/UE866 AT Commands Reference Guide Rev. 11-2006-10-14
AT_CellularBase::AT_CGAUTH, // HE910/UE910/UL865/UE866 AT Commands Reference Guide Rev. 11-2006-10-14
AT_CellularBase::SUPPORTED_FEATURE_END_MARK
};