mirror of git://git.sysmocom.de/ofono
420 lines
9.8 KiB
C
420 lines
9.8 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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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <glib.h>
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#include <ofono/log.h>
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#include <ofono/modem.h>
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#include <ofono/gprs-context.h>
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#include "gatchat.h"
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#include "gatresult.h"
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#include "gattty.h"
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#include "iceramodem.h"
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#define ICERA_DISCONNECTED 0
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#define ICERA_CONNECTED 1
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#define ICERA_CONNECTING 2
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#define ICERA_FAILED 3
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#define AUTH_BUF_LENGTH OFONO_GPRS_MAX_USERNAME_LENGTH + \
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OFONO_GPRS_MAX_PASSWORD_LENGTH + 128
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#define STATIC_IP_NETMASK "255.255.255.255"
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static const char *none_prefix[] = { NULL };
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static const char *ipdpact_prefix[] = { "%IPDPACT", NULL };
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static const char *ipdpaddr_prefix[] = { "%IPDPADDR", NULL };
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enum state {
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STATE_NONE,
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STATE_ENABLING,
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STATE_DISABLING,
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};
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struct gprs_context_data {
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GAtChat *chat;
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unsigned int active_context;
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char username[OFONO_GPRS_MAX_USERNAME_LENGTH + 1];
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char password[OFONO_GPRS_MAX_PASSWORD_LENGTH + 1];
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enum state state;
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ofono_gprs_context_cb_t cb;
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void *cb_data;
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};
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static void ipdpaddr_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs_context *gc = user_data;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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GAtResultIter iter;
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int cid;
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const char *ip = NULL;
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const char *gateway = NULL;
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const char *dns1 = NULL;
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const char *dns2 = NULL;
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const char *dns[3];
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struct ofono_modem *modem;
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const char *interface;
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if (!ok)
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return;
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g_at_result_iter_init(&iter, result);
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if (g_at_result_iter_next(&iter, "%IPDPADDR:") == FALSE)
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return;
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g_at_result_iter_next_number(&iter, &cid);
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g_at_result_iter_next_unquoted_string(&iter, &ip);
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g_at_result_iter_next_unquoted_string(&iter, &gateway);
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g_at_result_iter_next_unquoted_string(&iter, &dns1);
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g_at_result_iter_next_unquoted_string(&iter, &dns2);
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if (ip && ip[0] == ' ')
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ip += 1;
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if (gateway && gateway[0] == ' ')
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gateway += 1;
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if (dns1 && dns1[0] == ' ')
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dns1 += 1;
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if (dns2 && dns2[0] == ' ')
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dns2 += 1;
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/* Don't bother reporting the same DNS twice */
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if (g_str_equal(dns1, dns2))
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dns2 = NULL;
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dns[0] = dns1;
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dns[1] = dns2;
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dns[2] = 0;
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modem = ofono_gprs_context_get_modem(gc);
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interface = ofono_modem_get_string(modem, "NetworkInterface");
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ofono_info("Got the following parameters for context: %d", cid);
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ofono_info("IP: %s, Gateway: %s", ip, gateway);
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ofono_info("DNS: %s, %s", dns1, dns2);
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ofono_gprs_context_set_interface(gc, interface);
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ofono_gprs_context_set_ipv4_address(gc, ip, TRUE);
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ofono_gprs_context_set_ipv4_netmask(gc, STATIC_IP_NETMASK);
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ofono_gprs_context_set_ipv4_gateway(gc, gateway);
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ofono_gprs_context_set_ipv4_dns_servers(gc, dns);
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CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
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gcd->state = STATE_NONE;
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gcd->cb = NULL;
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gcd->cb_data = NULL;
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}
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static void ipdpact_notifier(GAtResult *result, gpointer user_data)
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{
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struct ofono_gprs_context *gc = user_data;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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GAtResultIter iter;
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int cid, state;
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if (gcd->active_context == 0)
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return;
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g_at_result_iter_init(&iter, result);
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if (g_at_result_iter_next(&iter, "%IPDPACT:") == FALSE)
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return;
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g_at_result_iter_next_number(&iter, &cid);
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g_at_result_iter_next_number(&iter, &state);
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DBG("cid %d state %d", cid, state);
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if (gcd->active_context != (unsigned int) cid)
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return;
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switch (state) {
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case ICERA_DISCONNECTED:
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if (gcd->state == STATE_DISABLING) {
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CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
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gcd->state = STATE_NONE;
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gcd->cb = NULL;
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gcd->cb_data = NULL;
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} else
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ofono_gprs_context_deactivated(gc, gcd->active_context);
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gcd->active_context = 0;
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break;
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case ICERA_CONNECTED:
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if (gcd->state == STATE_ENABLING) {
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char buf[128];
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snprintf(buf, sizeof(buf), "AT%%IPDPADDR=%u",
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gcd->active_context);
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g_at_chat_send(gcd->chat, buf, ipdpaddr_prefix,
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ipdpaddr_cb, gc, NULL);
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}
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break;
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case ICERA_CONNECTING:
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break;
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case ICERA_FAILED:
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if (gcd->state == STATE_ENABLING) {
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CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
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gcd->state = STATE_NONE;
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gcd->cb = NULL;
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gcd->cb_data = NULL;
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}
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gcd->active_context = 0;
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break;
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}
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}
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static void ipdpact_down_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_gprs_context_cb_t cb = cbd->cb;
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struct ofono_gprs_context *gc = cbd->user;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct ofono_error error;
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DBG("ok %d", ok);
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if (ok) {
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gcd->state = STATE_DISABLING;
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gcd->cb = cb;
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gcd->cb_data = cbd->data;
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ipdpact_notifier(result, gc);
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return;
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}
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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}
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static void ipdpact_up_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_gprs_context_cb_t cb = cbd->cb;
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struct ofono_gprs_context *gc = cbd->user;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct ofono_error error;
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DBG("ok %d", ok);
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if (ok) {
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gcd->state = STATE_ENABLING;
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gcd->cb = cb;
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gcd->cb_data = cbd->data;
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ipdpact_notifier(result, gc);
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return;
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}
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gcd->active_context = 0;
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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}
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static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
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{
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struct cb_data *cbd = user_data;
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ofono_gprs_context_cb_t cb = cbd->cb;
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struct ofono_gprs_context *gc = cbd->user;
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct cb_data *ncbd;
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char buf[AUTH_BUF_LENGTH];
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DBG("ok %d", ok);
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if (!ok) {
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struct ofono_error error;
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gcd->active_context = 0;
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decode_at_error(&error, g_at_result_final_response(result));
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cb(&error, cbd->data);
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return;
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}
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if (gcd->username[0] && gcd->password[0])
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sprintf(buf, "AT%%IPDPCFG=%u,0,1,\"%s\",\"%s\"",
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gcd->active_context, gcd->username, gcd->password);
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else
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sprintf(buf, "AT%%IPDPCFG=%u,0,0,\"\",\"\"",
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gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL) == 0)
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goto error;
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ncbd = g_memdup(cbd, sizeof(struct cb_data));
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snprintf(buf, sizeof(buf), "AT%%IPDPACT=%u,1", gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, ipdpact_prefix,
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ipdpact_up_cb, ncbd, g_free) > 0)
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return;
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g_free(ncbd);
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error:
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gcd->active_context = 0;
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CALLBACK_WITH_FAILURE(cb, cbd->data);
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}
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static void icera_gprs_activate_primary(struct ofono_gprs_context *gc,
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const struct ofono_gprs_primary_context *ctx,
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ofono_gprs_context_cb_t cb, void *data)
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{
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[OFONO_GPRS_MAX_APN_LENGTH + 128];
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int len = 0;
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DBG("cid %u", ctx->cid);
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gcd->active_context = ctx->cid;
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memcpy(gcd->username, ctx->username, sizeof(ctx->username));
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memcpy(gcd->password, ctx->password, sizeof(ctx->password));
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cbd->user = gc;
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switch (ctx->proto) {
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case OFONO_GPRS_PROTO_IP:
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len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"",
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ctx->cid);
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break;
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case OFONO_GPRS_PROTO_IPV6:
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len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV6\"",
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ctx->cid);
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break;
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case OFONO_GPRS_PROTO_IPV4V6:
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len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV4V6\"",
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ctx->cid);
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break;
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}
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snprintf(buf + len, sizeof(buf) - len - 3, ",\"%s\"", ctx->apn);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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at_cgdcont_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, data);
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}
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static void icera_gprs_deactivate_primary(struct ofono_gprs_context *gc,
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unsigned int cid,
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ofono_gprs_context_cb_t cb, void *data)
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{
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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struct cb_data *cbd = cb_data_new(cb, data);
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char buf[128];
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DBG("cid %u", cid);
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cbd->user = gc;
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snprintf(buf, sizeof(buf), "AT%%IPDPACT=%u,0", cid);
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if (g_at_chat_send(gcd->chat, buf, ipdpact_prefix,
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ipdpact_down_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, data);
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}
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static int icera_gprs_context_probe(struct ofono_gprs_context *gc,
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unsigned int vendor, void *data)
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{
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GAtChat *chat = data;
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struct gprs_context_data *gcd;
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DBG("");
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gcd = g_try_new0(struct gprs_context_data, 1);
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if (gcd == NULL)
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return -ENOMEM;
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gcd->chat = g_at_chat_clone(chat);
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ofono_gprs_context_set_data(gc, gcd);
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g_at_chat_register(gcd->chat, "%IPDPACT:", ipdpact_notifier,
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FALSE, gc, NULL);
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return 0;
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}
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static void icera_gprs_context_remove(struct ofono_gprs_context *gc)
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{
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struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
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DBG("");
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ofono_gprs_context_set_data(gc, NULL);
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g_at_chat_unref(gcd->chat);
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g_free(gcd);
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}
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static const struct ofono_gprs_context_driver driver = {
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.name = "iceramodem",
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.probe = icera_gprs_context_probe,
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.remove = icera_gprs_context_remove,
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.activate_primary = icera_gprs_activate_primary,
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.deactivate_primary = icera_gprs_deactivate_primary,
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};
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void icera_gprs_context_init(void)
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{
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ofono_gprs_context_driver_register(&driver);
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}
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void icera_gprs_context_exit(void)
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{
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ofono_gprs_context_driver_unregister(&driver);
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}
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