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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
*
* Copyright (C) 2013 Aleksander Morgado <aleksander@gnu.org>
* Copyright (C) 2017 Tempered Networks Inc.
*
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <ModemManager.h>
#define _LIBMM_INSIDE_MMCLI
#include <libmm-glib.h>
#include "mm-log.h"
#include "mm-modem-helpers.h"
#include "mm-modem-helpers-infineon.h"
/*************************************************************************/
/* Parse +CGPADDR response */
gboolean
mm_infineon_parse_cgpaddr_response (const gchar *reply,
guint *cid,
gchar **ipv4addr,
gchar **ipv6addr,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
GError *inner_error = NULL;
gchar *ip1, *ip2;
g_assert (reply);
g_assert (cid);
g_assert (ipv4addr);
g_assert (ipv6addr);
*ipv4addr = NULL;
*ipv6addr = NULL;
r = g_regex_new ("\\+CGPADDR:\\s*(\\d+)\\s*,(\"([^\"]*)\"),*(\"([^\"]*)\")*",
G_REGEX_OPTIMIZE | G_REGEX_RAW,
0, NULL);
g_assert (r != NULL);
if (g_regex_match (r, reply, 0, &match_info)) {
if (!mm_get_uint_from_match_info (match_info, 1, cid)) {
inner_error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse CID from +CGPADDR response");
goto out;
}
ip1 = mm_get_string_unquoted_from_match_info (match_info, 3);
ip2 = mm_get_string_unquoted_from_match_info (match_info, 5);
/* ip1 could contain an IPv4 or IPv6 address */
if (ip1) {
/* Check if IPv6 address */
if (g_strrstr (ip1, ":")) {
if (0 == g_strcmp0("0:0:0:0:0:0:0:0", ip1)) {
g_free (ip1);
} else {
*ipv6addr = ip1;
}
/* IPv4 address */
} else {
if (0 == g_strcmp0("0.0.0.0", ip1)) {
g_free (ip1);
} else {
*ipv4addr = ip1;
}
}
}
/* ip2 will always be an IPv6 address */
if (ip2) {
if (g_strrstr (ip2, ":") && 0 != g_strcmp0("0:0:0:0:0:0:0:0", ip2)) {
*ipv6addr = ip2;
} else {
g_free (ip2);
}
}
}
if (!*ipv6addr && !*ipv4addr) {
inner_error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse a valid IP address from +CGPADDR response.");
}
out:
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
return TRUE;
}
static gboolean
g_ptr_array_contains_string (GPtrArray *arr,
gchar *str)
{
gboolean found = FALSE;
guint i;
/* Check inputs */
g_assert (arr);
g_assert (str);
for (i = 0; i < arr->len; i++) {
if (0 == g_strcmp0 ((gchar *) g_ptr_array_index (arr, i), str)) {
found = TRUE;
break;
}
}
return found;
}
/*************************************************************************/
/* Parse +XDNS response */
gboolean
mm_infineon_parse_xdns_query_response (const gchar *reply,
guint cid,
GStrv *dns_v4,
GStrv *dns_v6,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
guint this_cid = 0;
GPtrArray *ipv4arr, *ipv6arr;
gchar *dns1, *dns2;
ipv4arr = g_ptr_array_sized_new (3);
ipv6arr = g_ptr_array_sized_new (3);
r = g_regex_new ("\\+XDNS:\\s*(\\d+)\\s*,\\s*\"(.*)\"\\s*,\\s*\"(.*)\"",
G_REGEX_OPTIMIZE | G_REGEX_RAW | G_REGEX_MULTILINE | G_REGEX_MATCH_NEWLINE_ANY,
0, NULL);
g_assert (r != NULL);
g_regex_match (r, reply, 0, &match_info);
while (g_match_info_matches (match_info)) {
if (mm_get_uint_from_match_info (match_info, 1, &this_cid) &&
(this_cid == cid) &&
(dns1 = mm_get_string_unquoted_from_match_info (match_info, 2)) != NULL &&
(dns2 = mm_get_string_unquoted_from_match_info (match_info, 3)) != NULL) {
/* Check if dns1 is an IPv6 address */
if (g_strrstr (dns1, ":")) {
if(!g_ptr_array_contains_string(ipv6arr, dns1))
g_ptr_array_add(ipv6arr, dns1);
else
g_free (dns1);
/* Otherwise dns1 is an ipv4 address. Check if valid and unique */
} else if (0 != g_strcmp0 ("0.0.0.0", dns1) && !g_ptr_array_contains_string (ipv4arr, dns1)) {
g_ptr_array_add (ipv4arr, dns1);
} else {
g_free (dns1);
}
/* Check if dns2 is an IPv6 address */
if (g_strrstr (dns2, ":")) {
if(!g_ptr_array_contains_string (ipv6arr, dns2))
g_ptr_array_add (ipv6arr, dns2);
else
g_free (dns2);
/* Otherwise dns2 is an ipv4 address. Check if valid and unique */
} else if (0 != g_strcmp0 ("0.0.0.0", dns2) && !g_ptr_array_contains_string (ipv4arr, dns2)) {
g_ptr_array_add (ipv4arr, dns2);
} else {
g_free (dns2);
}
}
g_match_info_next (match_info, NULL);
}
g_match_info_free (match_info);
g_regex_unref (r);
/* Add Null terminators to convert from GPtrArray to GStrv. */
g_ptr_array_add (ipv4arr, NULL);
g_ptr_array_add (ipv6arr, NULL);
*dns_v4 = (GStrv) g_ptr_array_free (ipv4arr, FALSE);
*dns_v6 = (GStrv) g_ptr_array_free (ipv6arr, FALSE);
return TRUE;
}
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