[PATCH 4/4] atmodem: implement method to query PIN Retry Counter

PIN retry counter is implemented for huaweimodem and it'd be very similar for other vendors. --- drivers/atmodem/sim.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 70 insertions(+), 0 deletions(-) diff --git a/drivers/atmodem/sim.c b/drivers/atmodem/sim.c index 1653ede..4d0d40c 100644 --- a/drivers/atmodem/sim.c +++ b/drivers/atmodem/sim.c @@ -52,6 +52,7 @@ struct sim_data { static const char *crsm_prefix[] = { "+CRSM:", NULL }; static const char *cpin_prefix[] = { "+CPIN:", NULL }; +static const char *xcpin_prefix[] = { "^CPIN:", NULL }; static const char *clck_prefix[] = { "+CLCK:", NULL }; static const char *none_prefix[] = { NULL }; @@ -456,6 +457,74 @@ static struct { { OFONO_SIM_PASSWORD_PHCORP_PUK, "PH-CORP PUK" }, }; +static void at_xcpin_cb(gboolean ok, GAtResult *result, gpointer user_data) +{ + struct cb_data *cbd = user_data; + ofono_sim_retry_counter_cb_t cb = cbd->cb; + const char *final = g_at_result_final_response(result); + GAtResultIter iter; + int retry; + struct ofono_error error; + + decode_at_error(&error, final); + + if (!ok) { + cb(&error, -1, cbd->data); + return; + } + + g_at_result_iter_init(&iter, result); + + if (!g_at_result_iter_next(&iter, "^CPIN:")) + goto error; + + /* Skip status since we are not interested in this */ + if (!g_at_result_iter_skip_next(&iter)) + goto error; + + /* + * Number is optional. In case number is not present, pin is not + * required. + */ + if (!g_at_result_iter_next_number(&iter, &retry)) + retry = 0; + + cb(&error, retry, cbd->data); + + return; + +error: + CALLBACK_WITH_FAILURE(cb, -1, cbd->data); +} + +static void at_pin_retry_query(struct ofono_sim *sim, + ofono_sim_retry_counter_cb_t cb, void *data) +{ + struct sim_data *sd = ofono_sim_get_data(sim); + + DBG(""); + + if (sd->vendor == OFONO_VENDOR_QUALCOMM_MSM) { + struct cb_data *cbd = cb_data_new(cb, data); + + if (cbd == NULL) { + CALLBACK_WITH_FAILURE(cb, -1, data); + + return; + } + + if (g_at_chat_send(sd->chat, "AT^CPIN?", xcpin_prefix, + at_xcpin_cb, cbd, g_free) > 0) + return; + + g_free(cbd); + + CALLBACK_WITH_FAILURE(cb, -1, data); + } + + CALLBACK_WITH_SUCCESS(cb, 0, data); +} + static void at_cpin_cb(gboolean ok, GAtResult *result, gpointer user_data) { struct cb_data *cbd = user_data; @@ -886,6 +955,7 @@ static struct ofono_sim_driver driver = { .write_file_cyclic = at_sim_update_cyclic, .read_imsi = at_read_imsi, .query_passwd_state = at_pin_query, + .query_retry_counter = at_pin_retry_query, .send_passwd = at_pin_send, .reset_passwd = at_pin_send_puk, .lock = at_pin_enable, -- 1.7.3.4