mirror of git://git.sysmocom.de/ofono
674 lines
15 KiB
C
674 lines
15 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 <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 "gatrawip.h"
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#include "ifxmodem.h"
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#define TUN_DEV "/dev/net/tun"
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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 *xdns_prefix[] = { "+XDNS:", NULL };
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static const char *cgpaddr_prefix[] = { "+CGPADDR:", NULL };
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static const char *cgcontrdp_prefix[] = { "+CGCONTRDP:", NULL };
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enum state {
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STATE_IDLE,
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STATE_ENABLING,
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STATE_DISABLING,
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STATE_ACTIVE,
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};
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struct gprs_context_data {
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GAtChat *chat;
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unsigned int vendor;
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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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GAtRawIP *rawip;
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enum state state;
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enum ofono_gprs_proto proto;
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char address[64];
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char gateway[64];
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char netmask[64];
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char dns1[64];
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char dns2[64];
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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 rawip_debug(const char *str, void *data)
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{
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ofono_info("%s: %s", (const char *) data, str);
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}
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static const char *setup_rawip(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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GAtIO *io;
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DBG("");
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io = g_at_chat_get_io(gcd->chat);
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g_at_chat_suspend(gcd->chat);
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gcd->rawip = g_at_rawip_new_from_io(io);
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if (gcd->rawip == NULL) {
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g_at_chat_resume(gcd->chat);
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return NULL;
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}
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if (getenv("OFONO_IP_DEBUG"))
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g_at_rawip_set_debug(gcd->rawip, rawip_debug, "IP");
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g_at_rawip_open(gcd->rawip);
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return g_at_rawip_get_interface(gcd->rawip);
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}
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static void failed_setup(struct ofono_gprs_context *gc,
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GAtResult *result, gboolean deactivate)
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{
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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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char buf[64];
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DBG("deactivate %d", deactivate);
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if (deactivate == TRUE) {
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sprintf(buf, "AT+CGACT=0,%u", gcd->active_context);
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g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL);
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}
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gcd->active_context = 0;
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gcd->state = STATE_IDLE;
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if (result == NULL) {
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CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
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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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gcd->cb(&error, gcd->cb_data);
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}
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static void session_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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const char *interface;
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const char *dns[3];
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DBG("ok %d", ok);
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if (!ok) {
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ofono_error("Failed to establish session");
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failed_setup(gc, result, TRUE);
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return;
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}
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gcd->state = STATE_ACTIVE;
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dns[0] = gcd->dns1;
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dns[1] = gcd->dns2;
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dns[2] = 0;
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interface = setup_rawip(gc);
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if (interface == NULL)
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interface = "invalid";
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ofono_gprs_context_set_interface(gc, interface);
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ofono_gprs_context_set_ipv4_address(gc, gcd->address, TRUE);
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ofono_gprs_context_set_ipv4_netmask(gc, STATIC_IP_NETMASK);
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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->cb = NULL;
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gcd->cb_data = NULL;
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}
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static void dns_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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char buf[64];
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int cid;
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const char *dns1, *dns2;
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GAtResultIter iter;
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gboolean found = FALSE;
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DBG("ok %d", ok);
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if (!ok) {
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ofono_error("Unable to get DNS details");
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failed_setup(gc, result, TRUE);
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return;
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}
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g_at_result_iter_init(&iter, result);
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while (g_at_result_iter_next(&iter, "+XDNS:")) {
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if (!g_at_result_iter_next_number(&iter, &cid))
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goto error;
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if (!g_at_result_iter_next_string(&iter, &dns1))
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goto error;
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if (!g_at_result_iter_next_string(&iter, &dns2))
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goto error;
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if ((unsigned int) cid == gcd->active_context) {
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found = TRUE;
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strncpy(gcd->dns1, dns1, sizeof(gcd->dns1));
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strncpy(gcd->dns2, dns2, sizeof(gcd->dns2));
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}
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}
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if (found == FALSE)
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goto error;
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ofono_info("IP: %s", gcd->address);
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ofono_info("DNS: %s, %s", gcd->dns1, gcd->dns2);
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sprintf(buf, "AT+CGDATA=\"M-RAW_IP\",%d", gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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session_cb, gc, NULL) > 0)
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return;
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error:
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failed_setup(gc, NULL, TRUE);
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}
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static void address_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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int cid;
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const char *address;
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GAtResultIter iter;
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DBG("ok %d", ok);
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if (!ok) {
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ofono_error("Unable to get context address");
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failed_setup(gc, result, TRUE);
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return;
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}
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g_at_result_iter_init(&iter, result);
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if (!g_at_result_iter_next(&iter, "+CGPADDR:"))
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goto error;
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if (!g_at_result_iter_next_number(&iter, &cid))
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goto error;
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if ((unsigned int) cid != gcd->active_context)
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goto error;
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if (!g_at_result_iter_next_string(&iter, &address))
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goto error;
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strncpy(gcd->address, address, sizeof(gcd->address));
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if (g_at_chat_send(gcd->chat, "AT+XDNS?", xdns_prefix,
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dns_cb, gc, NULL) > 0)
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return;
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error:
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failed_setup(gc, NULL, TRUE);
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}
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static void cgcontrdp_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 ofono_modem *modem = ofono_gprs_context_get_modem(gc);
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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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const char *laddrnetmask = NULL;
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const char *gw = NULL;
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const char *interface;
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const char *dns[3];
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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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decode_at_error(&error, g_at_result_final_response(result));
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gcd->cb(&error, gcd->cb_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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while (g_at_result_iter_next(&iter, "+CGCONTRDP:")) {
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/* skip cid, bearer_id, apn */
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g_at_result_iter_skip_next(&iter);
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g_at_result_iter_skip_next(&iter);
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g_at_result_iter_skip_next(&iter);
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if (!g_at_result_iter_next_string(&iter, &laddrnetmask))
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break;
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if (!g_at_result_iter_next_string(&iter, &gw))
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break;
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if (!g_at_result_iter_next_string(&iter, &dns[0]))
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break;
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if (!g_at_result_iter_next_string(&iter, &dns[1]))
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break;
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}
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strncpy(gcd->dns1, dns[0], sizeof(gcd->dns1));
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strncpy(gcd->dns2, dns[1], sizeof(gcd->dns2));
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dns[2] = 0;
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DBG("DNS: %s, %s\n", gcd->dns1, gcd->dns2);
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if (!laddrnetmask || at_util_get_ipv4_address_and_netmask(laddrnetmask,
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gcd->address, gcd->netmask) < 0) {
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failed_setup(gc, NULL, TRUE);
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return;
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}
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if (gw)
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strncpy(gcd->gateway, gw, sizeof(gcd->gateway));
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gcd->state = STATE_ACTIVE;
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DBG("address: %s\n", gcd->address);
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DBG("netmask: %s\n", gcd->netmask);
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DBG("DNS1: %s\n", gcd->dns1);
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DBG("DNS2: %s\n", gcd->dns2);
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DBG("Gateway: %s\n", gcd->gateway);
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interface = ofono_modem_get_string(modem, "NetworkInterface");
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ofono_gprs_context_set_interface(gc, interface);
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ofono_gprs_context_set_ipv4_address(gc, gcd->address, TRUE);
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if (gcd->netmask[0])
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ofono_gprs_context_set_ipv4_netmask(gc, gcd->netmask);
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if (gcd->gateway[0])
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ofono_gprs_context_set_ipv4_gateway(gc, gcd->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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}
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static void ifx_read_settings(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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char buf[64];
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gcd->address[0] = '\0';
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gcd->gateway[0] = '\0';
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gcd->netmask[0] = '\0';
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gcd->dns1[0] = '\0';
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gcd->dns2[0] = '\0';
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/* read IP configuration info */
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if(gcd->vendor == OFONO_VENDOR_XMM) {
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snprintf(buf, sizeof(buf), "AT+CGCONTRDP=%u",
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gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, cgcontrdp_prefix,
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cgcontrdp_cb, gc, NULL) > 0)
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return;
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} else {
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sprintf(buf, "AT+CGPADDR=%u", gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, cgpaddr_prefix,
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address_cb, gc, NULL) > 0)
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return;
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}
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failed_setup(gc, NULL, TRUE);
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}
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static void ifx_gprs_read_settings(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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DBG("cid %u", cid);
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gcd->active_context = cid;
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gcd->cb = cb;
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gcd->cb_data = data;
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ifx_read_settings(gc);
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}
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static void activate_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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DBG("ok %d", ok);
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if (!ok) {
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ofono_error("Unable to activate context");
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failed_setup(gc, result, FALSE);
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return;
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}
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ifx_read_settings(gc);
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}
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static void setup_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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char buf[384];
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DBG("ok %d", ok);
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if (!ok) {
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ofono_error("Failed to setup context");
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failed_setup(gc, result, FALSE);
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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+XGAUTH=%u,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+XGAUTH=%u,0,\"\",\"\"", 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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g_at_chat_send(gcd->chat, "AT+XDNS=?", none_prefix, NULL, NULL, NULL);
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switch (gcd->proto) {
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case OFONO_GPRS_PROTO_IP:
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sprintf(buf, "AT+XDNS=%u,1", gcd->active_context);
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break;
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case OFONO_GPRS_PROTO_IPV6:
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sprintf(buf, "AT+XDNS=%u,2", gcd->active_context);
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break;
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case OFONO_GPRS_PROTO_IPV4V6:
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sprintf(buf, "AT+XDNS=%u,3", gcd->active_context);
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break;
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}
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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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sprintf(buf, "AT+CGACT=1,%u", gcd->active_context);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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activate_cb, gc, NULL) > 0)
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return;
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error:
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failed_setup(gc, NULL, FALSE);
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}
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static void ifx_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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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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gcd->cb = cb;
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gcd->cb_data = data;
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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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gcd->state = STATE_ENABLING;
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gcd->proto = ctx->proto;
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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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if (ctx->apn)
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snprintf(buf + len, sizeof(buf) - len - 3,
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",\"%s\"", ctx->apn);
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if (g_at_chat_send(gcd->chat, buf, none_prefix,
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setup_cb, gc, NULL) > 0)
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return;
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CALLBACK_WITH_FAILURE(cb, data);
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}
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static void deactivate_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);
|
|
|
|
DBG("ok %d", ok);
|
|
|
|
g_at_rawip_unref(gcd->rawip);
|
|
gcd->rawip = NULL;
|
|
|
|
gcd->active_context = 0;
|
|
gcd->state = STATE_IDLE;
|
|
|
|
if (gcd->vendor != OFONO_VENDOR_XMM)
|
|
g_at_chat_resume(gcd->chat);
|
|
|
|
CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
|
|
}
|
|
|
|
static void ifx_gprs_deactivate_primary(struct ofono_gprs_context *gc,
|
|
unsigned int cid,
|
|
ofono_gprs_context_cb_t cb, void *data)
|
|
{
|
|
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
|
GAtChat *chat = g_at_chat_get_slave(gcd->chat);
|
|
char buf[64];
|
|
|
|
DBG("cid %u", cid);
|
|
|
|
gcd->state = STATE_DISABLING;
|
|
gcd->cb = cb;
|
|
gcd->cb_data = data;
|
|
|
|
g_at_rawip_shutdown(gcd->rawip);
|
|
|
|
sprintf(buf, "AT+CGACT=0,%u", gcd->active_context);
|
|
|
|
if (gcd->vendor == OFONO_VENDOR_XMM) {
|
|
if (g_at_chat_send(gcd->chat, buf, none_prefix,
|
|
deactivate_cb, gc, NULL) > 0)
|
|
return;
|
|
} else {
|
|
if (g_at_chat_send(chat, buf, none_prefix,
|
|
deactivate_cb, gc, NULL) > 0)
|
|
return;
|
|
}
|
|
|
|
CALLBACK_WITH_FAILURE(cb, data);
|
|
}
|
|
|
|
static void ifx_gprs_detach_shutdown(struct ofono_gprs_context *gc,
|
|
unsigned int cid)
|
|
{
|
|
DBG("");
|
|
ifx_gprs_deactivate_primary(gc, cid, NULL, NULL);
|
|
}
|
|
|
|
static void cgev_notify(GAtResult *result, gpointer user_data)
|
|
{
|
|
struct ofono_gprs_context *gc = user_data;
|
|
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
|
const char *event;
|
|
int cid;
|
|
GAtResultIter iter;
|
|
|
|
g_at_result_iter_init(&iter, result);
|
|
|
|
if (!g_at_result_iter_next(&iter, "+CGEV:"))
|
|
return;
|
|
|
|
if (!g_at_result_iter_next_unquoted_string(&iter, &event))
|
|
return;
|
|
|
|
if (g_str_has_prefix(event, "NW DEACT") == FALSE)
|
|
return;
|
|
|
|
if (!g_at_result_iter_skip_next(&iter))
|
|
return;
|
|
|
|
if (!g_at_result_iter_next_number(&iter, &cid))
|
|
return;
|
|
|
|
DBG("cid %d", cid);
|
|
|
|
if ((unsigned int) cid != gcd->active_context)
|
|
return;
|
|
|
|
if (gcd->state != STATE_IDLE && gcd->rawip) {
|
|
g_at_rawip_shutdown(gcd->rawip);
|
|
|
|
g_at_rawip_unref(gcd->rawip);
|
|
gcd->rawip = NULL;
|
|
g_at_chat_resume(gcd->chat);
|
|
}
|
|
|
|
ofono_gprs_context_deactivated(gc, gcd->active_context);
|
|
|
|
gcd->active_context = 0;
|
|
gcd->state = STATE_IDLE;
|
|
}
|
|
|
|
static int ifx_gprs_context_probe(struct ofono_gprs_context *gc,
|
|
unsigned int vendor, void *data)
|
|
{
|
|
GAtChat *chat = data;
|
|
struct gprs_context_data *gcd;
|
|
struct stat st;
|
|
|
|
DBG("");
|
|
|
|
if (stat(TUN_DEV, &st) < 0) {
|
|
ofono_error("Missing support for TUN/TAP devices");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (vendor != OFONO_VENDOR_XMM) {
|
|
if (g_at_chat_get_slave(chat) == NULL)
|
|
return -EINVAL;
|
|
}
|
|
|
|
gcd = g_try_new0(struct gprs_context_data, 1);
|
|
if (gcd == NULL)
|
|
return -ENOMEM;
|
|
|
|
gcd->vendor = vendor;
|
|
gcd->chat = g_at_chat_clone(chat);
|
|
|
|
ofono_gprs_context_set_data(gc, gcd);
|
|
|
|
if (vendor != OFONO_VENDOR_XMM)
|
|
chat = g_at_chat_get_slave(gcd->chat);
|
|
|
|
g_at_chat_register(chat, "+CGEV:", cgev_notify, FALSE, gc, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void ifx_gprs_context_remove(struct ofono_gprs_context *gc)
|
|
{
|
|
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
|
|
|
|
DBG("");
|
|
|
|
if (gcd->state != STATE_IDLE && gcd->rawip) {
|
|
g_at_rawip_unref(gcd->rawip);
|
|
g_at_chat_resume(gcd->chat);
|
|
}
|
|
|
|
ofono_gprs_context_set_data(gc, NULL);
|
|
|
|
g_at_chat_unref(gcd->chat);
|
|
g_free(gcd);
|
|
}
|
|
|
|
static struct ofono_gprs_context_driver driver = {
|
|
.name = "ifxmodem",
|
|
.probe = ifx_gprs_context_probe,
|
|
.remove = ifx_gprs_context_remove,
|
|
.activate_primary = ifx_gprs_activate_primary,
|
|
.deactivate_primary = ifx_gprs_deactivate_primary,
|
|
.read_settings = ifx_gprs_read_settings,
|
|
.detach_shutdown = ifx_gprs_detach_shutdown
|
|
};
|
|
|
|
void ifx_gprs_context_init(void)
|
|
{
|
|
ofono_gprs_context_driver_register(&driver);
|
|
}
|
|
|
|
void ifx_gprs_context_exit(void)
|
|
{
|
|
ofono_gprs_context_driver_unregister(&driver);
|
|
}
|