commands-uim.c

   1 /*
   2  * uqmi -- tiny QMI support implementation
   3  *
   4  * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the
  18  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301 USA.
  20  */
  21
  22 #define cmd_uim_verify_pin1_cb no_cb
  23 static enum qmi_cmd_result
  24 cmd_uim_verify_pin1_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  25 {
  26         struct qmi_uim_verify_pin_request data = {
  27                 QMI_INIT_SEQUENCE(session,
  28                         .session_type = QMI_UIM_SESSION_TYPE_CARD_SLOT_1,
  29                         .application_identifier_n = 0
  30                 ),
  31                 QMI_INIT_SEQUENCE(info,
  32                         .pin_id = QMI_UIM_PIN_ID_PIN1,
  33                         .pin_value = arg
  34                 )
  35         };
  36         qmi_set_uim_verify_pin_request(msg, &data);
  37         return QMI_CMD_REQUEST;
  38 }
  39
  40 #define cmd_uim_verify_pin2_cb no_cb
  41 static enum qmi_cmd_result
  42 cmd_uim_verify_pin2_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  43 {
  44         struct qmi_uim_verify_pin_request data = {
  45                 QMI_INIT_SEQUENCE(session,
  46                         .session_type = QMI_UIM_SESSION_TYPE_CARD_SLOT_1,
  47                         .application_identifier_n = 0
  48                 ),
  49                 QMI_INIT_SEQUENCE(info,
  50                         .pin_id = QMI_UIM_PIN_ID_PIN2,
  51                         .pin_value = arg
  52                 )
  53         };
  54         qmi_set_uim_verify_pin_request(msg, &data);
  55         return QMI_CMD_REQUEST;
  56 }
  57
  58 static void cmd_uim_get_sim_state_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
  59 {
  60         struct qmi_uim_get_card_status_response res;
  61         void * const card_table = blobmsg_open_table(&status, NULL);
  62         static const char *card_application_states[] = {
  63                 [QMI_UIM_CARD_APPLICATION_STATE_UNKNOWN] = "unknown",
  64                 [QMI_UIM_CARD_APPLICATION_STATE_DETECTED] = "detected",
  65                 [QMI_UIM_CARD_APPLICATION_STATE_PIN1_OR_UPIN_PIN_REQUIRED] = "pin-required",
  66                 [QMI_UIM_CARD_APPLICATION_STATE_PUK1_OR_UPIN_PUK_REQUIRED] = "puk-required",
  67                 [QMI_UIM_CARD_APPLICATION_STATE_CHECK_PERSONALIZATION_STATE] = "check-personalization-state",
  68                 [QMI_UIM_CARD_APPLICATION_STATE_PIN1_BLOCKED] = "pin1-blocked",
  69                 [QMI_UIM_CARD_APPLICATION_STATE_ILLEGAL] = "illegal",
  70                 [QMI_UIM_CARD_APPLICATION_STATE_READY] = "ready",
  71         };
  72
  73         qmi_parse_uim_get_card_status_response(msg, &res);
  74
  75         for (int i = 0; i < res.data.card_status.cards_n; ++i) {
  76                 if (res.data.card_status.cards[i].card_state != QMI_UIM_CARD_STATE_PRESENT)
  77                         continue;
  78
  79                 uint8_t card_application_state;
  80                 uint8_t pin1_state = res.data.card_status.cards[i].upin_state;
  81                 uint8_t pin1_retries = res.data.card_status.cards[i].upin_retries;
  82                 uint8_t puk1_retries = res.data.card_status.cards[i].upuk_retries;
  83                 uint8_t pin2_state;
  84                 uint8_t pin2_retries;
  85                 uint8_t puk2_retries;
  86                 bool has_pin2 = false;
  87
  88                 for (int j = 0; j < res.data.card_status.cards[i].applications_n; ++j) {
  89                         if (res.data.card_status.cards[i].applications[j].type == QMI_UIM_CARD_APPLICATION_TYPE_UNKNOWN)
  90                                 continue;
  91
  92                         card_application_state = pin1_state = res.data.card_status.cards[i].applications[j].state;
  93
  94                         if (!res.data.card_status.cards[i].applications[j].upin_replaces_pin1) {
  95                                 pin1_state = res.data.card_status.cards[i].applications[j].pin1_state;
  96                                 pin1_retries = res.data.card_status.cards[i].applications[j].pin1_retries;
  97                                 puk1_retries = res.data.card_status.cards[i].applications[j].puk1_retries;
  98                         }
  99
 100                         pin2_state = res.data.card_status.cards[i].applications[j].pin2_state;
 101                         pin2_retries = res.data.card_status.cards[i].applications[j].pin2_retries;
 102                         puk2_retries = res.data.card_status.cards[i].applications[j].puk2_retries;
 103                         has_pin2 = true;
 104
 105                         break; /* handle first application only for now */
 106                 }
 107
 108                 if (card_application_state > QMI_UIM_CARD_APPLICATION_STATE_READY)
 109                         card_application_state = QMI_UIM_CARD_APPLICATION_STATE_UNKNOWN;
 110
 111                 blobmsg_add_string(&status, "card_application_state", card_application_states[card_application_state]);
 112                 blobmsg_add_string(&status, "pin1_status", get_pin_status(pin1_state));
 113                 blobmsg_add_u32(&status, "pin1_verify_tries", pin1_retries);
 114                 blobmsg_add_u32(&status, "pin1_unlock_tries", puk1_retries);
 115                 if (has_pin2) {
 116                         blobmsg_add_string(&status, "pin2_status", get_pin_status(pin2_state));
 117                         blobmsg_add_u32(&status, "pin2_verify_tries", pin2_retries);
 118                         blobmsg_add_u32(&status, "pin2_unlock_tries", puk2_retries);
 119                 }
 120
 121                 break; /* handle only first preset SIM card for now */
 122         }
 123
 124         blobmsg_close_table(&status, card_table);
 125 }
 126
 127 static enum qmi_cmd_result
 128 cmd_uim_get_sim_state_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 129 {
 130         qmi_set_uim_get_card_status_request(msg);
 131         return QMI_CMD_REQUEST;
 132 }