mirror of git://git.sysmocom.de/ofono
plugins: Add mobile-broadband-provider-info parser
This commit is contained in:
Denis Kenzior
parent
51d0ac1ce4
commit
cbe83ead62
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/*
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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 <fcntl.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <unistd.h>
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#include <glib.h>
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#define OFONO_API_SUBJECT_TO_CHANGE
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#include <ofono/modem.h>
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#include <ofono/gprs-provision.h>
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#ifndef MBPI_DATABASE
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#define MBPI_DATABASE "/usr/share/mobile-broadband-provider-info/" \
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"serviceproviders.xml"
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#endif
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#include "mbpi.h"
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enum MBPI_ERROR {
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MBPI_ERROR_DUPLICATE,
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};
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struct gsm_data {
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const char *match_mcc;
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const char *match_mnc;
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GSList *apns;
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gboolean match_found;
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gboolean allow_duplicates;
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};
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static GQuark mbpi_error_quark(void)
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{
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return g_quark_from_static_string("ofono-mbpi-error-quark");
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}
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void mbpi_provision_data_free(struct ofono_gprs_provision_data *data)
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{
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g_free(data->name);
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g_free(data->apn);
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g_free(data->username);
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g_free(data->password);
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g_free(data->message_proxy);
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g_free(data->message_center);
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g_free(data);
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}
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static void text_handler(GMarkupParseContext *context,
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const gchar *text, gsize text_len,
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gpointer userdata, GError **error)
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{
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char **string = userdata;
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*string = g_strndup(text, text_len);
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}
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static const GMarkupParser text_parser = {
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NULL,
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NULL,
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text_handler,
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NULL,
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NULL,
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};
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static void usage_handler(GMarkupParseContext *context,
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const gchar *text, gsize text_len,
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gpointer userdata, GError **error)
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{
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enum ofono_gprs_context_type *type = userdata;
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if (strncmp(text, "internet", text_len) == 0)
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*type = OFONO_GPRS_CONTEXT_TYPE_INTERNET;
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else if (strncmp(text, "mms", text_len) == 0)
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*type = OFONO_GPRS_CONTEXT_TYPE_MMS;
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else if (strncmp(text, "wap", text_len) == 0)
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*type = OFONO_GPRS_CONTEXT_TYPE_WAP;
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else
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g_set_error(error, G_MARKUP_ERROR,
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G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
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"Unknown usage attribute: %.*s",
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(int) text_len, text);
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}
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static const GMarkupParser usage_parser = {
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NULL,
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NULL,
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usage_handler,
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NULL,
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NULL,
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};
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static void apn_start(GMarkupParseContext *context, const gchar *element_name,
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const gchar **attribute_names,
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const gchar **attribute_values,
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gpointer userdata, GError **error)
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{
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struct ofono_gprs_provision_data *apn = userdata;
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if (g_str_equal(element_name, "name"))
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g_markup_parse_context_push(context, &text_parser, &apn->name);
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else if (g_str_equal(element_name, "username"))
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g_markup_parse_context_push(context, &text_parser,
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&apn->username);
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else if (g_str_equal(element_name, "password"))
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g_markup_parse_context_push(context, &text_parser,
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&apn->password);
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else if (g_str_equal(element_name, "usage"))
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g_markup_parse_context_push(context, &usage_parser,
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&apn->type);
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}
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static void apn_end(GMarkupParseContext *context, const gchar *element_name,
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gpointer userdata, GError **error)
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{
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if (g_str_equal(element_name, "name") ||
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g_str_equal(element_name, "username") ||
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g_str_equal(element_name, "password") ||
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g_str_equal(element_name, "usage"))
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g_markup_parse_context_pop(context);
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}
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static void apn_error(GMarkupParseContext *context, GError *error,
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gpointer userdata)
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{
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/*
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* Note that even if the error happened in a subparser, this will
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* be called. So we always perform cleanup of the allocated
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* provision data
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*/
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mbpi_provision_data_free(userdata);
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}
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static const GMarkupParser apn_parser = {
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apn_start,
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apn_end,
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NULL,
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NULL,
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apn_error,
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};
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static const GMarkupParser skip_parser = {
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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};
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static void gsm_start(GMarkupParseContext *context, const gchar *element_name,
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const gchar **attribute_names,
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const gchar **attribute_values,
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gpointer userdata, GError **error)
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{
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struct gsm_data *gsm = userdata;
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if (g_str_equal(element_name, "network-id")) {
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const char *mcc = NULL, *mnc = NULL;
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int i;
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/*
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* For entries with multiple network-id elements, don't bother
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* searching if we already have a match
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*/
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if (gsm->match_found == TRUE)
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return;
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for (i = 0; attribute_names[i]; i++) {
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if (g_str_equal(attribute_names[i], "mcc") == TRUE)
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mcc = attribute_values[i];
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if (g_str_equal(attribute_names[i], "mnc") == TRUE)
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mnc = attribute_values[i];
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}
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if (mcc == NULL) {
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g_set_error(error, G_MARKUP_ERROR,
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G_MARKUP_ERROR_MISSING_ATTRIBUTE,
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"Missing attribute: mcc");
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return;
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}
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if (mnc == NULL) {
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g_set_error(error, G_MARKUP_ERROR,
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G_MARKUP_ERROR_MISSING_ATTRIBUTE,
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"Missing attribute: mnc");
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return;
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}
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if (g_str_equal(mcc, gsm->match_mcc) &&
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g_str_equal(mnc, gsm->match_mnc))
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gsm->match_found = TRUE;
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} else if (g_str_equal(element_name, "apn")) {
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int i;
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struct ofono_gprs_provision_data *pd;
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const char *apn;
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if (gsm->match_found == FALSE) {
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g_markup_parse_context_push(context,
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&skip_parser, NULL);
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return;
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}
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for (i = 0, apn = NULL; attribute_names[i]; i++) {
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if (g_str_equal(attribute_names[i], "value") == FALSE)
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continue;
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apn = attribute_values[i];
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break;
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}
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if (apn == NULL) {
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g_set_error(error, G_MARKUP_ERROR,
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G_MARKUP_ERROR_MISSING_ATTRIBUTE,
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"APN attribute missing");
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return;
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}
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pd = g_new0(struct ofono_gprs_provision_data, 1);
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pd->apn = g_strdup(apn);
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pd->type = OFONO_GPRS_CONTEXT_TYPE_INTERNET;
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pd->proto = OFONO_GPRS_PROTO_IP;
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g_markup_parse_context_push(context, &apn_parser, pd);
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}
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}
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static void gsm_end(GMarkupParseContext *context, const gchar *element_name,
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gpointer userdata, GError **error)
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{
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struct gsm_data *gsm = userdata;
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if (g_str_equal(element_name, "apn")) {
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struct ofono_gprs_provision_data *apn =
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g_markup_parse_context_pop(context);
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if (apn == NULL)
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return;
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if (gsm->allow_duplicates == FALSE) {
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GSList *l;
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for (l = gsm->apns; l; l = l->next) {
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struct ofono_gprs_provision_data *pd = l->data;
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if (pd->type != apn->type)
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continue;
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g_set_error(error, mbpi_error_quark(),
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MBPI_ERROR_DUPLICATE,
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"Duplicate context detected");
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mbpi_provision_data_free(apn);
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return;
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}
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}
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gsm->apns = g_slist_append(gsm->apns, apn);
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}
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}
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static const GMarkupParser gsm_parser = {
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gsm_start,
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gsm_end,
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NULL,
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NULL,
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NULL,
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};
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static void toplevel_start(GMarkupParseContext *context,
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const gchar *element_name,
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const gchar **atribute_names,
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const gchar **attribute_values,
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gpointer userdata, GError **error)
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{
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struct gsm_data *gsm = userdata;
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if (g_str_equal(element_name, "gsm")) {
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gsm->match_found = FALSE;
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g_markup_parse_context_push(context, &gsm_parser, gsm);
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} else if (g_str_equal(element_name, "cdma"))
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g_markup_parse_context_push(context, &skip_parser, NULL);
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}
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static void toplevel_end(GMarkupParseContext *context,
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const gchar *element_name,
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gpointer userdata, GError **error)
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{
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if (g_str_equal(element_name, "gsm") ||
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g_str_equal(element_name, "cdma"))
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g_markup_parse_context_pop(context);
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}
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static const GMarkupParser toplevel_parser = {
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toplevel_start,
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toplevel_end,
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NULL,
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NULL,
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NULL,
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};
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static gboolean mbpi_parse(const char *data, ssize_t size,
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struct gsm_data *gsm, GError **error)
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{
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GMarkupParseContext *context;
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gboolean ret;
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context = g_markup_parse_context_new(&toplevel_parser,
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G_MARKUP_TREAT_CDATA_AS_TEXT,
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gsm, NULL);
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ret = g_markup_parse_context_parse(context, data, size, error);
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if (ret == TRUE)
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g_markup_parse_context_end_parse(context, error);
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g_markup_parse_context_free(context);
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return ret;
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}
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GSList *mbpi_lookup(const char *mcc, const char *mnc,
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gboolean allow_duplicates, GError **error)
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{
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struct stat st;
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char *db;
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int fd;
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int ret;
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struct gsm_data gsm;
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GSList *l;
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fd = open(MBPI_DATABASE, O_RDONLY);
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if (fd < 0) {
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g_set_error(error, G_FILE_ERROR,
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g_file_error_from_errno(errno),
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"open failed: %s", g_strerror(errno));
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return NULL;
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}
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if (fstat(fd, &st) < 0) {
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close(fd);
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g_set_error(error, G_FILE_ERROR,
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g_file_error_from_errno(errno),
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"fstat failed: %s", g_strerror(errno));
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return NULL;
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}
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db = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
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if (db == MAP_FAILED) {
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close(fd);
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g_set_error(error, G_FILE_ERROR,
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g_file_error_from_errno(errno),
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"mmap failed: %s", g_strerror(errno));
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return NULL;
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}
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memset(&gsm, 0, sizeof(gsm));
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gsm.match_mcc = mcc;
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gsm.match_mnc = mnc;
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gsm.allow_duplicates = allow_duplicates;
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if (mbpi_parse(db, st.st_size, &gsm, error) == FALSE) {
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for (l = gsm.apns; l; l = l->next)
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mbpi_provision_data_free(l->data);
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g_slist_free(gsm.apns);
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gsm.apns = NULL;
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}
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munmap(db, st.st_size);
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close(fd);
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return gsm.apns;
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}
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@ -0,0 +1,25 @@
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/*
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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
|
||||
* 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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void mbpi_provision_data_free(struct ofono_gprs_provision_data *data);
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GSList *mbpi_lookup(const char *mcc, const char *mnc,
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gboolean allow_duplicates, GError **error);
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