mirror of git://git.sysmocom.de/ofono
317 lines
6.8 KiB
C
317 lines
6.8 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdio.h>
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#include <glib.h>
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#include <ofono/modem.h>
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#include <ofono/sim-auth.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "simutil.h"
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#include "vendor.h"
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#include "util.h"
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#include "atmodem.h"
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struct sim_auth_data {
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GAtChat *chat;
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unsigned int vendor;
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};
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static const char *cuad_prefix[] = { "+CUAD:", NULL };
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static const char *ccho_prefix[] = { "+CCHO:", NULL };
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static const char *cgla_prefix[] = { "+CGLA:", NULL };
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static void at_discover_apps_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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GAtResultIter iter;
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ofono_sim_list_apps_cb_t cb = cbd->cb;
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struct ofono_error error;
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const unsigned char *dataobj;
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gint linelen;
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unsigned char *buffer;
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int len;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok) {
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cb(&error, NULL, 0, cbd->data);
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return;
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}
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g_at_result_iter_init(&iter, result);
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len = 0;
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while (g_at_result_iter_next(&iter, "+CUAD:")) {
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if (!g_at_result_iter_next_hexstring(&iter, NULL, &linelen))
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goto error;
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len += linelen;
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}
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g_at_result_iter_init(&iter, result);
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buffer = g_malloc(len);
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len = 0;
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while (g_at_result_iter_next(&iter, "+CUAD:")) {
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g_at_result_iter_next_hexstring(&iter, &dataobj, &linelen);
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memcpy(buffer + len, dataobj, linelen);
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len += linelen;
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}
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cb(&error, buffer, len, cbd->data);
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g_free(buffer);
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return;
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error:
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CALLBACK_WITH_FAILURE(cb, NULL, 0, cbd->data);
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}
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static void at_discover_apps(struct ofono_sim_auth *sa,
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ofono_sim_list_apps_cb_t cb,
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void *data)
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{
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struct sim_auth_data *sad = ofono_sim_auth_get_data(sa);
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struct cb_data *cbd = cb_data_new(cb, data);
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if (g_at_chat_send(sad->chat, "AT+CUAD", cuad_prefix,
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at_discover_apps_cb, cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, NULL, 0, data);
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}
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static void at_open_channel_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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GAtResultIter iter;
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ofono_sim_open_channel_cb_t cb = cbd->cb;
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struct ofono_error error;
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int session_id = -1;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok)
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goto error;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CCHO:"))
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goto error;
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if (!g_at_result_iter_next_number(&iter, &session_id))
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goto error;
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cb(&error, session_id, cbd->data);
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return;
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error:
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cb(&error, -1, cbd->data);
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}
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static void at_open_channel(struct ofono_sim_auth *sa, const uint8_t *aid,
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ofono_sim_open_channel_cb_t cb, void *data)
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{
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struct sim_auth_data *sad = ofono_sim_auth_get_data(sa);
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struct cb_data *cbd = cb_data_new(cb, data);
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char cmd[43];
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int ret = 0;
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strcpy(cmd, "AT+CCHO=\"");
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ret += 9;
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encode_hex_own_buf(aid, 16, 0, cmd + ret);
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ret += 32;
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strcpy(cmd + ret, "\"");
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if (g_at_chat_send(sad->chat, cmd, ccho_prefix, at_open_channel_cb,
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cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, -1, data);
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}
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static void at_close_channel_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_sim_close_channel_cb_t cb = cbd->cb;
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struct ofono_error error;
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decode_at_error(&error, g_at_result_final_response(result));
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if (cb)
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cb(&error, cbd->data);
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}
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static void at_close_channel(struct ofono_sim_auth *sa, int session_id,
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ofono_sim_close_channel_cb_t cb, void *data)
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{
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struct sim_auth_data *sad = ofono_sim_auth_get_data(sa);
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struct cb_data *cbd = cb_data_new(cb, data);
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char cmd[15];
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sprintf(cmd, "AT+CCHC=%d", session_id);
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g_at_chat_send(sad->chat, cmd, NULL, at_close_channel_cb, cbd, g_free);
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}
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static void logical_access_cb(gboolean ok, GAtResult *result,
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gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_logical_access_cb_t cb = cbd->cb;
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struct ofono_error error;
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const char *str_data;
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uint8_t *raw;
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gint len = 0;
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GAtResultIter iter;
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decode_at_error(&error, g_at_result_final_response(result));
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if (!ok)
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goto error;
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CGLA:"))
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goto error;
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if (!g_at_result_iter_next_number(&iter, &len))
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goto error;
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if (!g_at_result_iter_next_string(&iter, &str_data))
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goto error;
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raw = alloca(len / 2);
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decode_hex_own_buf(str_data, len, NULL, 0, raw);
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cb(&error, raw, len / 2, cbd->data);
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return;
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error:
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cb(&error, NULL, 0, cbd->data);
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}
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static void at_logical_access(struct ofono_sim_auth *sa, int session_id,
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const uint8_t *pdu, uint16_t len, ofono_logical_access_cb_t cb,
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void *data)
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{
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struct sim_auth_data *sad = ofono_sim_auth_get_data(sa);
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struct cb_data *cbd = cb_data_new(cb, data);
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int ret = 0;
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char cmd[(len * 2) + 19];
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ret = sprintf(cmd, "AT+CGLA=%d,%d,\"", session_id, len * 2);
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encode_hex_own_buf(pdu, len, 0, cmd + ret);
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ret += len * 2;
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strcpy(cmd + ret, "\"");
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if (g_at_chat_send(sad->chat, cmd, cgla_prefix, logical_access_cb,
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cbd, g_free) > 0)
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return;
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g_free(cbd);
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CALLBACK_WITH_FAILURE(cb, NULL, 0, data);
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}
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static gboolean at_sim_auth_register(gpointer user)
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{
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struct ofono_sim_auth *sa = user;
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ofono_sim_auth_register(sa);
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return FALSE;
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}
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static int at_sim_auth_probe(struct ofono_sim_auth *sa, unsigned int vendor,
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void *data)
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{
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GAtChat *chat = data;
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struct sim_auth_data *sad;
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sad = g_new0(struct sim_auth_data, 1);
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sad->chat = g_at_chat_clone(chat);
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sad->vendor = vendor;
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ofono_sim_auth_set_data(sa, sad);
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g_idle_add(at_sim_auth_register, sa);
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return 0;
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}
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static void at_sim_auth_remove(struct ofono_sim_auth *sa)
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{
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struct sim_auth_data *sad = ofono_sim_auth_get_data(sa);
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g_idle_remove_by_data(sa);
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ofono_sim_auth_set_data(sa, NULL);
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g_at_chat_unref(sad->chat);
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g_free(sad);
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}
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static struct ofono_sim_auth_driver driver = {
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.name = "atmodem",
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.probe = at_sim_auth_probe,
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.remove = at_sim_auth_remove,
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.list_apps = at_discover_apps,
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.open_channel = at_open_channel,
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.close_channel = at_close_channel,
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.logical_access = at_logical_access
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};
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void at_sim_auth_init(void)
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{
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ofono_sim_auth_driver_register(&driver);
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}
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void at_sim_auth_exit(void)
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{
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ofono_sim_auth_driver_unregister(&driver);
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}
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