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chromium / chromiumos / third_party / modemmanager-next / refs/heads/factory-kukui-14374.B / . / src / mm-modem-helpers.c
blob: 6f645dbb9e9a4dfd66f21cf92f0e3ae015bf523e [file] [log] [blame] [edit]
/* -*- 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) 2008 - 2009 Novell, Inc.
* Copyright (C) 2009 - 2012 Red Hat, Inc.
* Copyright (C) 2012 Google, Inc.
*/
#include <config.h>
#include <stdio.h>
#include <ctype.h>
#include <glib.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include <ModemManager.h>
#define _LIBMM_INSIDE_MM
#include <libmm-glib.h>
#include "mm-sms-part.h"
#include "mm-common-helpers.h"
#include "mm-modem-helpers.h"
#include "mm-helper-enums-types.h"
#include "mm-log-object.h"
/*****************************************************************************/
gchar *
mm_strip_quotes (gchar *str)
{
gsize len;
if (!str)
return NULL;
len = strlen (str);
if ((len >= 2) && (str[0] == '"') && (str[len - 1] == '"')) {
str[0] = ' ';
str[len - 1] = ' ';
}
return g_strstrip (str);
}
const gchar *
mm_strip_tag (const gchar *str, const gchar *cmd)
{
const gchar *p = str;
if (p) {
if (!strncmp (p, cmd, strlen (cmd)))
p += strlen (cmd);
while (isspace (*p))
p++;
}
return p;
}
/*****************************************************************************/
gchar **
mm_split_string_groups (const gchar *str)
{
GPtrArray *array;
const gchar *start;
const gchar *next;
array = g_ptr_array_new ();
/*
* Manually parse splitting groups. Groups may be single elements, or otherwise
* lists given between parenthesis, e.g.:
*
* ("SM","ME"),("SM","ME"),("SM","ME")
* "SM","SM","SM"
* "SM",("SM","ME"),("SM","ME")
*/
/* Iterate string splitting groups */
for (start = str; start; start = next) {
gchar *item;
gssize len = -1;
/* skip leading whitespaces */
while (*start == ' ')
start++;
if (*start == '(') {
start++;
next = strchr (start, ')');
if (next) {
len = next - start;
next = strchr (next, ',');
if (next)
next++;
}
} else {
next = strchr (start, ',');
if (next) {
len = next - start;
next++;
}
}
if (len < 0)
item = g_strdup (start);
else
item = g_strndup (start, len);
g_ptr_array_add (array, item);
}
if (array->len > 0) {
g_ptr_array_add (array, NULL);
return (gchar **) g_ptr_array_free (array, FALSE);
}
g_ptr_array_unref (array);
return NULL;
}
/*****************************************************************************/
static int uint_compare_func (gconstpointer a, gconstpointer b)
{
return (*(guint *)a - *(guint *)b);
}
GArray *
mm_parse_uint_list (const gchar *str,
GError **error)
{
GArray *array;
gchar *dupstr;
gchar *aux;
GError *inner_error = NULL;
if (!str || !str[0])
return NULL;
/* Parses into a GArray of guints, the list of numbers given in the string,
* also supporting number intervals.
* E.g.:
* 1-6 --> 1,2,3,4,5,6
* 1,2,4-6 --> 1,2,4,5,6
*/
array = g_array_new (FALSE, FALSE, sizeof (guint));
aux = dupstr = g_strdup (str);
while (aux) {
gchar *next;
gchar *interval;
next = strchr (aux, ',');
if (next) {
*next = '\0';
next++;
}
interval = strchr (aux, '-');
if (interval) {
guint start = 0;
guint stop = 0;
*interval = '\0';
interval++;
if (!mm_get_uint_from_str (aux, &start)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"couldn't parse interval start integer: '%s'", aux);
goto out;
}
if (!mm_get_uint_from_str (interval, &stop)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"couldn't parse interval stop integer: '%s'", interval);
goto out;
}
if (start > stop) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"interval start (%u) cannot be bigger than interval stop (%u)", start, stop);
goto out;
}
for (; start <= stop; start++)
g_array_append_val (array, start);
} else {
guint num;
if (!mm_get_uint_from_str (aux, &num)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"couldn't parse integer: '%s'", aux);
goto out;
}
g_array_append_val (array, num);
}
aux = next;
}
if (!array->len)
inner_error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"couldn't parse list of integers: '%s'", str);
else
g_array_sort (array, uint_compare_func);
out:
g_free (dupstr);
if (inner_error) {
g_propagate_error (error, inner_error);
g_array_unref (array);
return NULL;
}
return array;
}
/*****************************************************************************/
guint
mm_count_bits_set (gulong number)
{
guint c;
for (c = 0; number; c++)
number &= number - 1;
return c;
}
guint
mm_find_bit_set (gulong number)
{
guint c = 0;
for (c = 0; !(number & 0x1); c++)
number >>= 1;
return c;
}
/*****************************************************************************/
gchar *
mm_create_device_identifier (guint vid,
guint pid,
gpointer log_object,
const gchar *ati,
const gchar *ati1,
const gchar *gsn,
const gchar *revision,
const gchar *model,
const gchar *manf)
{
g_autoptr(GString) devid = NULL;
g_autoptr(GString) msg = NULL;
g_autoptr(GChecksum) sum = NULL;
const gchar *ret;
gchar *p = NULL;
gchar str_vid[10], str_pid[10];
/* Build up the device identifier */
devid = g_string_sized_new (50);
if (ati)
g_string_append (devid, ati);
if (ati1) {
/* Only append "ATI1" if it's differnet than "ATI" */
if (!ati || (strcmp (ati, ati1) != 0))
g_string_append (devid, ati1);
}
if (gsn)
g_string_append (devid, gsn);
if (revision)
g_string_append (devid, revision);
if (model)
g_string_append (devid, model);
if (manf)
g_string_append (devid, manf);
if (!strlen (devid->str))
return NULL;
p = devid->str;
msg = g_string_sized_new (strlen (devid->str) + 17);
sum = g_checksum_new (G_CHECKSUM_SHA1);
if (vid) {
snprintf (str_vid, sizeof (str_vid) - 1, "%08x", vid);
g_checksum_update (sum, (const guchar *) &str_vid[0], strlen (str_vid));
g_string_append_printf (msg, "%08x", vid);
}
if (pid) {
snprintf (str_pid, sizeof (str_pid) - 1, "%08x", pid);
g_checksum_update (sum, (const guchar *) &str_pid[0], strlen (str_pid));
g_string_append_printf (msg, "%08x", pid);
}
while (*p) {
/* Strip spaces and linebreaks */
if (!isblank (*p) && !isspace (*p) && isascii (*p)) {
g_checksum_update (sum, (const guchar *) p, 1);
g_string_append_c (msg, *p);
}
p++;
}
ret = g_checksum_get_string (sum);
mm_obj_dbg (log_object, "device identifier built: %s -> %s", msg->str, ret);
return g_strdup (ret);
}
/*****************************************************************************/
guint
mm_netmask_to_cidr (const gchar *netmask)
{
guint32 num = 0;
inet_pton (AF_INET, netmask, &num);
return mm_count_bits_set (num);
}
/*****************************************************************************/
GArray *
mm_filter_current_bands (const GArray *supported_bands,
const GArray *current_bands)
{
/* We will assure that the list given in 'current' bands maps the list
* given in 'supported' bands, unless 'UNKNOWN' or 'ANY' is given, of
* course */
guint i;
GArray *filtered;
if (!supported_bands ||
supported_bands->len == 0 ||
!current_bands ||
current_bands->len == 0)
return NULL;
if (supported_bands->len == 1 &&
(g_array_index (supported_bands, MMModemBand, 0) == MM_MODEM_BAND_UNKNOWN ||
g_array_index (supported_bands, MMModemBand, 0) == MM_MODEM_BAND_ANY))
return NULL;
if (current_bands->len == 1 &&
(g_array_index (current_bands, MMModemBand, 0) == MM_MODEM_BAND_UNKNOWN ||
g_array_index (current_bands, MMModemBand, 0) == MM_MODEM_BAND_ANY))
return NULL;
filtered = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), current_bands->len);
for (i = 0; i < current_bands->len; i++) {
guint j;
for (j = 0; j < supported_bands->len; j++) {
if (g_array_index (supported_bands, MMModemBand, j) == g_array_index (current_bands, MMModemBand, i)) {
g_array_append_val (filtered, g_array_index (current_bands, MMModemBand, i));
/* Found */
break;
}
}
}
if (filtered->len == 0) {
g_array_unref (filtered);
return NULL;
}
return filtered;
}
/*****************************************************************************/
GArray *
mm_filter_supported_modes (const GArray *all,
const GArray *supported_combinations,
gpointer log_object)
{
MMModemModeCombination all_item;
guint i;
GArray *filtered_combinations;
gboolean all_item_added = FALSE;
g_return_val_if_fail (all != NULL, NULL);
g_return_val_if_fail (all->len == 1, NULL);
g_return_val_if_fail (supported_combinations != NULL, NULL);
mm_obj_dbg (log_object, "filtering %u supported mode combinations with %u modes",
supported_combinations->len, all->len);
all_item = g_array_index (all, MMModemModeCombination, 0);
g_return_val_if_fail (all_item.allowed != MM_MODEM_MODE_NONE, NULL);
/* We will filter out all combinations which have modes not listed in 'all' */
filtered_combinations = g_array_sized_new (FALSE, FALSE, sizeof (MMModemModeCombination), supported_combinations->len);
for (i = 0; i < supported_combinations->len; i++) {
MMModemModeCombination *mode;
mode = &g_array_index (supported_combinations, MMModemModeCombination, i);
if (!(mode->allowed & ~all_item.allowed)) {
/* Compare only 'allowed', *not* preferred. If there is at least one item with allowed
* containing all supported modes, we're already good to go. This allows us to have a
* default with preferred != NONE (e.g. Wavecom 2G modem with allowed=CS+2G and
* preferred=2G */
if (all_item.allowed == mode->allowed)
all_item_added = TRUE;
g_array_append_val (filtered_combinations, *mode);
}
}
if (filtered_combinations->len == 0)
mm_obj_warn (log_object, "all supported mode combinations were filtered out");
/* Add default entry with the generic mask including all items */
if (!all_item_added) {
mm_obj_dbg (log_object, "adding an explicit item with all supported modes allowed");
g_array_append_val (filtered_combinations, all_item);
}
mm_obj_dbg (log_object, "device supports %u different mode combinations",
filtered_combinations->len);
return filtered_combinations;
}
/*****************************************************************************/
static const gchar bcd_chars[] = "0123456789\0\0\0\0\0\0";
gchar *
mm_bcd_to_string (const guint8 *bcd, gsize bcd_len, gboolean low_nybble_first)
{
GString *str;
gsize i;
g_return_val_if_fail (bcd != NULL, NULL);
str = g_string_sized_new (bcd_len * 2 + 1);
for (i = 0 ; i < bcd_len; i++) {
if (low_nybble_first)
str = g_string_append_c (str, bcd_chars[bcd[i] & 0xF]);
str = g_string_append_c (str, bcd_chars[(bcd[i] >> 4) & 0xF]);
if (!low_nybble_first)
str = g_string_append_c (str, bcd_chars[bcd[i] & 0xF]);
}
return g_string_free (str, FALSE);
}
/*****************************************************************************/
GRegex *
mm_voice_ring_regex_get (void)
{
/* Example:
* <CR><LF>RING<CR><LF>
*/
return g_regex_new ("\\r\\nRING\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
GRegex *
mm_voice_cring_regex_get (void)
{
/* Example:
* <CR><LF>+CRING: VOICE<CR><LF>
* <CR><LF>+CRING: DATA<CR><LF>
*/
return g_regex_new ("\\r\\n\\+CRING:\\s*(\\S+)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
GRegex *
mm_voice_clip_regex_get (void)
{
/*
* Only first 2 fields are mandatory:
* +CLIP: <number>,<type>[,<subaddr>,<satype>[,[<alpha>][,<CLI_validity>]]]
*
* Example:
* <CR><LF>+CLIP: "+393351391306",145,,,,0<CR><LF>
* \_ Number \_ Type
*/
return g_regex_new ("\\r\\n\\+CLIP:\\s*([^,\\s]*)\\s*,\\s*(\\d+)\\s*,?(.*)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
GRegex *
mm_voice_ccwa_regex_get (void)
{
/*
* Only first 3 fields are mandatory, but we read only the first one
* +CCWA: <number>,<type>,<class>,[<alpha>][,<CLI_validity>[,<subaddr>,<satype>[,<priority>]]]
*
* Example:
* <CR><LF>+CCWA: "+393351391306",145,1
* \_ Number \_ Type
*/
return g_regex_new ("\\r\\n\\+CCWA:\\s*([^,\\s]*)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,?(.*)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
static void
call_info_free (MMCallInfo *info)
{
if (!info)
return;
g_free (info->number);
g_slice_free (MMCallInfo, info);
}
gboolean
mm_3gpp_parse_clcc_response (const gchar *str,
gpointer log_object,
GList **out_list,
GError **error)
{
GRegex *r;
GList *list = NULL;
GError *inner_error = NULL;
GMatchInfo *match_info = NULL;
static const MMCallDirection call_direction[] = {
[0] = MM_CALL_DIRECTION_OUTGOING,
[1] = MM_CALL_DIRECTION_INCOMING,
};
static const MMCallState call_state[] = {
[0] = MM_CALL_STATE_ACTIVE,
[1] = MM_CALL_STATE_HELD,
[2] = MM_CALL_STATE_DIALING, /* Dialing (MOC) */
[3] = MM_CALL_STATE_RINGING_OUT, /* Alerting (MOC) */
[4] = MM_CALL_STATE_RINGING_IN, /* Incoming (MTC) */
[5] = MM_CALL_STATE_WAITING, /* Waiting (MTC) */
/* This next call state number isn't defined by 3GPP, because it
* doesn't make sense to have it when reporting a full list of calls
* via +CLCC (i.e. the absence of the call would mean it's terminated).
* But, this value may be used by other implementations (e.g. SimTech
* plugin) to report that a call is terminated even when the full
* call list isn't being reported. So, let's support it in the generic,
* parser, even if not strictly standard. */
[6] = MM_CALL_STATE_TERMINATED,
};
g_assert (out_list);
/*
* 1 2 3 4 5 6 7 8 9 10
* +CLCC: <idx>,<dir>,<stat>,<mode>,<mpty>[,<number>,<type>[,<alpha>[,<priority>[,<CLI validity>]]]]
* +CLCC: <idx>,<dir>,<stat>,<mode>,<mpty>[,<number>,<type>[,<alpha>[,<priority>[,<CLI validity>]]]]
* ...
*/
r = g_regex_new ("\\+CLCC:\\s*(\\d+),\\s*(\\d+),\\s*(\\d+),\\s*(\\d+),\\s*(\\d+)" /* mandatory fields */
"(?:,\\s*([^,]*),\\s*(\\d+)" /* number and type */
"(?:,\\s*([^,]*)" /* alpha */
"(?:,\\s*(\\d*)" /* priority */
"(?:,\\s*(\\d*)" /* CLI validity */
")?)?)?)?$",
G_REGEX_RAW | G_REGEX_MULTILINE | G_REGEX_NEWLINE_CRLF,
G_REGEX_MATCH_NEWLINE_CRLF,
NULL);
g_assert (r != NULL);
g_regex_match_full (r, str, strlen (str), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
/* Parse the results */
while (g_match_info_matches (match_info)) {
MMCallInfo *call_info;
guint aux;
call_info = g_slice_new0 (MMCallInfo);
if (!mm_get_uint_from_match_info (match_info, 1, &call_info->index)) {
mm_obj_warn (log_object, "couldn't parse call index from +CLCC line");
goto next;
}
if (!mm_get_uint_from_match_info (match_info, 2, &aux) ||
(aux >= G_N_ELEMENTS (call_direction))) {
mm_obj_warn (log_object, "couldn't parse call direction from +CLCC line");
goto next;
}
call_info->direction = call_direction[aux];
if (!mm_get_uint_from_match_info (match_info, 3, &aux) ||
(aux >= G_N_ELEMENTS (call_state))) {
mm_obj_warn (log_object, "couldn't parse call state from +CLCC line");
goto next;
}
call_info->state = call_state[aux];
if (!mm_get_uint_from_match_info (match_info, 4, &aux)) {
mm_obj_warn (log_object, "couldn't parse mode from +CLCC line");
goto next;
}
/*
* Skip calls in Fax-only and DATA-only mode (3GPP TS 27.007):
* 0: Voice
* 1: Data
* 2: Fax
* 3: Voice followed by data, voice mode
* 4: Alternating voice/data, voice mode
* 5: Alternating voice/fax, voice mode
* 6: Voice followed by data, data mode
* 7: Alternating voice/data, data mode
* 8: Alternating voice/fax, fax mode
* 9: unknown
*/
if (aux != 0 && aux != 3 && aux != 4 && aux != 5) {
mm_obj_dbg (log_object, "+CLCC line is not a voice call, skipping.");
goto next;
}
if (g_match_info_get_match_count (match_info) >= 7)
call_info->number = mm_get_string_unquoted_from_match_info (match_info, 6);
list = g_list_append (list, call_info);
call_info = NULL;
next:
call_info_free (call_info);
g_match_info_next (match_info, NULL);
}
out:
g_clear_pointer (&match_info, g_match_info_free);
g_regex_unref (r);
if (inner_error) {
mm_3gpp_call_info_list_free (list);
g_propagate_error (error, inner_error);
return FALSE;
}
*out_list = list;
return TRUE;
}
void
mm_3gpp_call_info_list_free (GList *call_info_list)
{
g_list_free_full (call_info_list, (GDestroyNotify) call_info_free);
}
/*************************************************************************/
static MMFlowControl
flow_control_array_to_mask (GArray *array,
const gchar *item,
gpointer log_object)
{
MMFlowControl mask = MM_FLOW_CONTROL_UNKNOWN;
guint i;
for (i = 0; i < array->len; i++) {
guint mode;
mode = g_array_index (array, guint, i);
switch (mode) {
case 0:
mm_obj_dbg (log_object, "%s supports no flow control", item);
mask |= MM_FLOW_CONTROL_NONE;
break;
case 1:
mm_obj_dbg (log_object, "%s supports XON/XOFF flow control", item);
mask |= MM_FLOW_CONTROL_XON_XOFF;
break;
case 2:
mm_obj_dbg (log_object, "%s supports RTS/CTS flow control", item);
mask |= MM_FLOW_CONTROL_RTS_CTS;
break;
default:
break;
}
}
return mask;
}
static MMFlowControl
flow_control_match_info_to_mask (GMatchInfo *match_info,
guint index,
const gchar *item,
gpointer log_object,
GError **error)
{
MMFlowControl mask = MM_FLOW_CONTROL_UNKNOWN;
gchar *aux = NULL;
GArray *array = NULL;
if (!(aux = mm_get_string_unquoted_from_match_info (match_info, index))) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Error retrieving list of supported %s flow control methods", item);
goto out;
}
if (!(array = mm_parse_uint_list (aux, error))) {
g_prefix_error (error, "Error parsing list of supported %s flow control methods: ", item);
goto out;
}
if ((mask = flow_control_array_to_mask (array, item, log_object)) == MM_FLOW_CONTROL_UNKNOWN) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"No known %s flow control method given", item);
goto out;
}
out:
g_clear_pointer (&aux, g_free);
g_clear_pointer (&array, g_array_unref);
return mask;
}
MMFlowControl
mm_parse_ifc_test_response (const gchar *response,
gpointer log_object,
GError **error)
{
GRegex *r;
GError *inner_error = NULL;
GMatchInfo *match_info = NULL;
MMFlowControl te_mask = MM_FLOW_CONTROL_UNKNOWN;
MMFlowControl ta_mask = MM_FLOW_CONTROL_UNKNOWN;
MMFlowControl mask = MM_FLOW_CONTROL_UNKNOWN;
r = g_regex_new ("(?:\\+IFC:)?\\s*\\((.*)\\),\\((.*)\\)(?:\\r\\n)?", 0, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't match response");
goto out;
}
/* Parse TE flow control methods */
if ((te_mask = flow_control_match_info_to_mask (match_info, 1, "TE", log_object, &inner_error)) == MM_FLOW_CONTROL_UNKNOWN)
goto out;
/* Parse TA flow control methods */
if ((ta_mask = flow_control_match_info_to_mask (match_info, 2, "TA", log_object, &inner_error)) == MM_FLOW_CONTROL_UNKNOWN)
goto out;
/* Only those methods in both TA and TE will be the ones we report */
mask = te_mask & ta_mask;
out:
g_clear_pointer (&match_info, g_match_info_free);
g_regex_unref (r);
if (inner_error)
g_propagate_error (error, inner_error);
return mask;
}
MMFlowControl
mm_flow_control_from_string (const gchar *str,
GError **error)
{
GFlagsClass *flags_class;
guint value;
guint i;
flags_class = G_FLAGS_CLASS (g_type_class_ref (MM_TYPE_FLOW_CONTROL));
for (i = 0; flags_class->values[i].value_nick; i++) {
if (!g_ascii_strcasecmp (str, flags_class->values[i].value_nick)) {
value = flags_class->values[i].value;
g_type_class_unref (flags_class);
return value;
}
}
g_type_class_unref (flags_class);
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_INVALID_ARGS,
"Couldn't match '%s' with a valid MMFlowControl value",
str);
return MM_FLOW_CONTROL_UNKNOWN;
}
/*************************************************************************/
static const gchar *creg_regex[] = {
/* +CREG: <stat> (GSM 07.07 CREG=1 unsolicited) */
[0] = "\\+(CREG|CGREG|CEREG|C5GREG):\\s*0*([0-9])",
/* +CREG: <n>,<stat> (GSM 07.07 CREG=1 solicited) */
[1] = "\\+(CREG|CGREG|CEREG|C5GREG):\\s*0*([0-9]),\\s*0*([0-9])",
/* +CREG: <stat>,<lac>,<ci> (GSM 07.07 CREG=2 unsolicited) */
[2] = "\\+(CREG|CGREG|CEREG):\\s*0*([0-9]),\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)",
/* +CREG: <n>,<stat>,<lac>,<ci> (GSM 07.07 solicited and some CREG=2 unsolicited) */
[3] = "\\+(CREG|CGREG|CEREG):\\s*([0-9]),\\s*([0-9])\\s*,\\s*([^,]*)\\s*,\\s*([^,\\s]*)",
[4] = "\\+(CREG|CGREG|CEREG):\\s*0*([0-9]),\\s*0*([0-9])\\s*,\\s*(\"[^,]*\")\\s*,\\s*(\"[^,\\s]*\")",
/* +CREG: <stat>,<lac>,<ci>,<AcT> (ETSI 27.007 CREG=2 unsolicited) */
[5] = "\\+(CREG|CGREG|CEREG):\\s*([0-9])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*([0-9])",
[6] = "\\+(CREG|CGREG|CEREG):\\s*0*([0-9])\\s*,\\s*(\"[^,\\s]*\")\\s*,\\s*(\"[^,\\s]*\")\\s*,\\s*0*([0-9])",
/* +CREG: <n>,<stat>,<lac>,<ci>,<AcT> (ETSI 27.007 solicited and some CREG=2 unsolicited) */
[7] = "\\+(CREG|CGREG|CEREG):\\s*0*([0-9]),\\s*0*([0-9])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*0*([0-9])",
/* +CREG: <n>,<stat>,<lac>,<ci>,<AcT?>,<something> (Samsung Wave S8500) */
/* '<CR><LF>+CREG: 2,1,000B,2816, B, C2816<CR><LF><CR><LF>OK<CR><LF>' */
[8] = "\\+(CREG|CGREG):\\s*0*([0-9]),\\s*0*([0-9])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*[^,\\s]*",
/* +CREG: <stat>,<lac>,<ci>,<AcT>,<RAC> (ETSI 27.007 v9.20 CREG=2 unsolicited with RAC) */
[9] = "\\+(CREG|CGREG):\\s*0*([0-9])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*0*([0-9])\\s*,\\s*([^,\\s]*)",
/* +CEREG: <stat>,<lac>,<rac>,<ci>,<AcT> (ETSI 27.007 v8.6 CREG=2 unsolicited with RAC) */
[10] = "\\+(CEREG):\\s*0*([0-9])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*0*([0-9])",
/* +CEREG: <n>,<stat>,<lac>,<rac>,<ci>,<AcT> (ETSI 27.007 v8.6 CREG=2 solicited with RAC) */
[11] = "\\+(CEREG):\\s*0*([0-9]),\\s*0*([0-9])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*0*([0-9])",
/* +C5GREG: <stat>,<lac>,<ci>,<AcT>,<Allowed_NSSAI_length>,<Allowed_NSSAI> (ETSI 27.007 CREG=2 unsolicited) */
[12] = "\\+(C5GREG):\\s*([0-9]+)\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*([0-9]+)\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)",
/* +C5GREG: <n>,<stat>,<lac>,<ci>,<AcT>,<Allowed_NSSAI_length>,<Allowed_NSSAI> (ETSI 27.007 solicited) */
[13] = "\\+(C5GREG):\\s*([0-9]+)\\s*,\\s*([0-9+])\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)\\s*,\\s*([0-9]+)\\s*,\\s*([^,\\s]*)\\s*,\\s*([^,\\s]*)",
};
GPtrArray *
mm_3gpp_creg_regex_get (gboolean solicited)
{
GPtrArray *array;
guint i;
array = g_ptr_array_sized_new (G_N_ELEMENTS (creg_regex));
for (i = 0; i < G_N_ELEMENTS (creg_regex); i++) {
GRegex *regex;
g_autofree gchar *pattern = NULL;
if (solicited) {
pattern = g_strdup_printf ("%s$", creg_regex[i]);
regex = g_regex_new (pattern, G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
} else {
pattern = g_strdup_printf ("\\r\\n%s\\r\\n", creg_regex[i]);
regex = g_regex_new (pattern, G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
}
g_assert (regex);
g_ptr_array_add (array, regex);
}
return array;
}
void
mm_3gpp_creg_regex_destroy (GPtrArray *array)
{
g_ptr_array_foreach (array, (GFunc) g_regex_unref, NULL);
g_ptr_array_free (array, TRUE);
}
/*************************************************************************/
GRegex *
mm_3gpp_ciev_regex_get (void)
{
return g_regex_new ("\\r\\n\\+CIEV: (.*),(\\d)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
/*************************************************************************/
GRegex *
mm_3gpp_cgev_regex_get (void)
{
return g_regex_new ("\\r\\n\\+CGEV:\\s*(.*)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
/*************************************************************************/
GRegex *
mm_3gpp_cusd_regex_get (void)
{
return g_regex_new ("\\r\\n\\+CUSD:\\s*(.*)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
/*************************************************************************/
GRegex *
mm_3gpp_cmti_regex_get (void)
{
return g_regex_new ("\\r\\n\\+CMTI:\\s*\"(\\S+)\",\\s*(\\d+)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
GRegex *
mm_3gpp_cds_regex_get (void)
{
/* Example:
* <CR><LF>+CDS: 24<CR><LF>07914356060013F10659098136395339F6219011707193802190117071938030<CR><LF>
*/
return g_regex_new ("\\r\\n\\+CDS:\\s*(\\d+)\\r\\n(.*)\\r\\n",
G_REGEX_RAW | G_REGEX_OPTIMIZE,
0,
NULL);
}
/*************************************************************************/
/* AT+WS46=? response parser
*
* More than one numeric ID may appear in the list, that's why
* they are checked separately.
*
* NOTE: ignore WS46 prefix or it will break Cinterion handling.
*
* For the specific case of '25', we will check if any other mode supports
* 4G, and if there is none, we'll remove 4G caps from it. This is needed
* because pre-LTE modems used '25' to report GERAN+URAN instead of the
* new '29' value since LTE modems are around.
*/
typedef struct {
guint ws46;
MMModemMode mode;
} Ws46Mode;
/* 3GPP TS 27.007 v16.3.0, section 5.9: select wireless network +WS46 */
static const Ws46Mode ws46_modes[] = {
/* GSM Digital Cellular Systems (GERAN only) */
{ 12, MM_MODEM_MODE_2G },
/* UTRAN only */
{ 22, MM_MODEM_MODE_3G },
/* 3GPP Systems (GERAN, UTRAN and E-UTRAN) */
{ 25, MM_MODEM_MODE_ANY },
/* E-UTRAN only */
{ 28, MM_MODEM_MODE_4G },
/* GERAN and UTRAN */
{ 29, MM_MODEM_MODE_2G | MM_MODEM_MODE_3G },
/* GERAN and E-UTRAN */
{ 30, MM_MODEM_MODE_2G | MM_MODEM_MODE_4G },
/* UTRAN and E-UTRAN */
{ 31, MM_MODEM_MODE_3G | MM_MODEM_MODE_4G },
/* GERAN, UTRAN, E-UTRAN and NG-RAN */
{ 35, MM_MODEM_MODE_2G | MM_MODEM_MODE_3G | MM_MODEM_MODE_4G | MM_MODEM_MODE_5G },
/* NG-RAN only */
{ 36, MM_MODEM_MODE_5G },
/* E-UTRAN and NG-RAN */
{ 37, MM_MODEM_MODE_4G | MM_MODEM_MODE_5G },
/* UTRAN, E-UTRAN and NG-RAN */
{ 38, MM_MODEM_MODE_3G | MM_MODEM_MODE_4G | MM_MODEM_MODE_5G },
/* GERAN, E-UTRAN and NG-RAN */
{ 39, MM_MODEM_MODE_2G | MM_MODEM_MODE_4G | MM_MODEM_MODE_5G },
/* UTRAN and NG-RAN */
{ 40, MM_MODEM_MODE_3G | MM_MODEM_MODE_5G },
/* GERAN, UTRAN and NG-RAN */
{ 41, MM_MODEM_MODE_2G | MM_MODEM_MODE_3G | MM_MODEM_MODE_5G },
/* GERAN and NG-RAN */
{ 42, MM_MODEM_MODE_2G | MM_MODEM_MODE_5G },
};
GArray *
mm_3gpp_parse_ws46_test_response (const gchar *response,
gpointer log_object,
GError **error)
{
GArray *modes = NULL;
GArray *tech_values = NULL;
GRegex *r;
GError *inner_error = NULL;
GMatchInfo *match_info = NULL;
gchar *full_list = NULL;
guint val;
guint i;
guint j;
gboolean supported_5g = FALSE;
gboolean supported_4g = FALSE;
gboolean supported_3g = FALSE;
gboolean supported_2g = FALSE;
gboolean supported_mode_25 = FALSE;
gboolean supported_mode_29 = FALSE;
r = g_regex_new ("(?:\\+WS46:)?\\s*\\((.*)\\)(?:\\r\\n)?", 0, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't match response");
goto out;
}
if (!(full_list = mm_get_string_unquoted_from_match_info (match_info, 1))) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing full list string");
goto out;
}
if (!(tech_values = mm_parse_uint_list (full_list, &inner_error)))
goto out;
modes = g_array_new (FALSE, FALSE, sizeof (MMModemMode));
for (i = 0; i < tech_values->len; i++) {
val = g_array_index (tech_values, guint, i);
for (j = 0; j < G_N_ELEMENTS (ws46_modes); j++) {
if (ws46_modes[j].ws46 == val) {
if (val == 25)
supported_mode_25 = TRUE;
else {
if (val == 29)
supported_mode_29 = TRUE;
if (ws46_modes[j].mode & MM_MODEM_MODE_5G)
supported_5g = TRUE;
if (ws46_modes[j].mode & MM_MODEM_MODE_4G)
supported_4g = TRUE;
if (ws46_modes[j].mode & MM_MODEM_MODE_3G)
supported_3g = TRUE;
if (ws46_modes[j].mode & MM_MODEM_MODE_2G)
supported_2g = TRUE;
g_array_append_val (modes, ws46_modes[j].mode);
}
break;
}
}
if (j == G_N_ELEMENTS (ws46_modes))
mm_obj_warn (log_object, "Unknown +WS46 mode reported: %u", val);
}
if (supported_mode_25) {
MMModemMode mode_25;
mode_25 = MM_MODEM_MODE_2G | MM_MODEM_MODE_3G;
if (supported_4g) {
mode_25 |= MM_MODEM_MODE_4G;
g_array_append_val (modes, mode_25);
} else if (!supported_mode_29)
g_array_append_val (modes, mode_25);
}
if (modes->len == 0) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "No valid modes reported");
g_clear_pointer (&modes, g_array_unref);
goto out;
}
/* Fixup the ANY value, based on which are the supported modes */
for (i = 0; i < modes->len; i++) {
MMModemMode *mode;
mode = &g_array_index (modes, MMModemMode, i);
if (*mode == MM_MODEM_MODE_ANY) {
*mode = 0;
if (supported_2g)
*mode |= MM_MODEM_MODE_2G;
if (supported_3g)
*mode |= MM_MODEM_MODE_3G;
if (supported_4g)
*mode |= MM_MODEM_MODE_4G;
if (supported_5g)
*mode |= MM_MODEM_MODE_5G;
if (*mode == 0) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "No way to fixup the ANY value");
g_clear_pointer (&modes, g_array_unref);
goto out;
}
}
}
out:
if (tech_values)
g_array_unref (tech_values);
g_free (full_list);
g_clear_pointer (&match_info, g_match_info_free);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return NULL;
}
g_assert (modes && modes->len);
return modes;
}
/*************************************************************************/
static void
mm_3gpp_network_info_free (MM3gppNetworkInfo *info)
{
g_free (info->operator_long);
g_free (info->operator_short);
g_free (info->operator_code);
g_free (info);
}
void
mm_3gpp_network_info_list_free (GList *info_list)
{
g_list_free_full (info_list, (GDestroyNotify) mm_3gpp_network_info_free);
}
static MMModemAccessTechnology
get_mm_access_tech_from_etsi_access_tech (guint act)
{
/* See ETSI TS 27.007 */
switch (act) {
case 0: /* GSM */
case 8: /* EC-GSM-IoT (A/Gb mode) */
return MM_MODEM_ACCESS_TECHNOLOGY_GSM;
case 1:
return MM_MODEM_ACCESS_TECHNOLOGY_GSM_COMPACT;
case 2:
return MM_MODEM_ACCESS_TECHNOLOGY_UMTS;
case 3:
return MM_MODEM_ACCESS_TECHNOLOGY_EDGE;
case 4:
return MM_MODEM_ACCESS_TECHNOLOGY_HSDPA;
case 5:
return MM_MODEM_ACCESS_TECHNOLOGY_HSUPA;
case 6:
return MM_MODEM_ACCESS_TECHNOLOGY_HSPA;
case 7: /* E-UTRAN */
case 9: /* E-UTRAN (NB-S1) */
case 10: /* E-UTRA connected to a 5GCN */
return MM_MODEM_ACCESS_TECHNOLOGY_LTE;
case 11: /* NR connected to a 5G CN */
case 12: /* NG-RAN */
return MM_MODEM_ACCESS_TECHNOLOGY_5GNR;
case 13: /* E-UTRA-NR dual connectivity */
return (MM_MODEM_ACCESS_TECHNOLOGY_5GNR | MM_MODEM_ACCESS_TECHNOLOGY_LTE);
default:
return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN;
}
}
static MMModem3gppNetworkAvailability
parse_network_status (const gchar *str,
gpointer log_object)
{
/* Expecting a value between '0' and '3' inclusive */
if (!str ||
strlen (str) != 1 ||
str[0] < '0' ||
str[0] > '3') {
mm_obj_warn (log_object, "cannot parse network status value '%s'", str);
return MM_MODEM_3GPP_NETWORK_AVAILABILITY_UNKNOWN;
}
return (MMModem3gppNetworkAvailability) (str[0] - '0');
}
static MMModemAccessTechnology
parse_access_tech (const gchar *str,
gpointer log_object)
{
/* Recognized access technologies are between '0' and '7' inclusive... */
if (!str ||
strlen (str) != 1 ||
str[0] < '0' ||
str[0] > '7') {
mm_obj_warn (log_object, "cannot parse access technology value '%s'", str);
return MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN;
}
return get_mm_access_tech_from_etsi_access_tech (str[0] - '0');
}
GList *
mm_3gpp_parse_cops_test_response (const gchar *reply,
MMModemCharset cur_charset,
gpointer log_object,
GError **error)
{
GRegex *r;
GList *info_list = NULL;
GMatchInfo *match_info;
gboolean umts_format = TRUE;
g_return_val_if_fail (reply != NULL, NULL);
if (error)
g_return_val_if_fail (*error == NULL, NULL);
if (!strstr (reply, "+COPS: ")) {
g_set_error_literal (error,
MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse scan results.");
return NULL;
}
reply = strstr (reply, "+COPS: ") + 7;
/* Cell access technology (GSM, UTRAN, etc) got added later and not all
* modems implement it. Some modesm have quirks that make it hard to
* use one regular experession for matching both pre-UMTS and UMTS
* responses. So try UMTS-format first and fall back to pre-UMTS if
* we get no UMTS-formst matches.
*/
/* Quirk: Sony-Ericsson TM-506 sometimes includes a stray ')' like so,
* which is what makes it hard to match both pre-UMTS and UMTS in
* the same regex:
*
* +COPS: (2,"","T-Mobile","31026",0),(1,"AT&T","AT&T","310410"),0)
*/
r = g_regex_new ("\\((\\d),\"([^\"\\)]*)\",([^,\\)]*),([^,\\)]*)[\\)]?,(\\d)\\)", G_REGEX_UNGREEDY, 0, NULL);
g_assert (r);
/* If we didn't get any hits, try the pre-UMTS format match */
if (!g_regex_match (r, reply, 0, &match_info)) {
g_regex_unref (r);
g_match_info_free (match_info);
match_info = NULL;
/* Pre-UMTS format doesn't include the cell access technology after
* the numeric operator element.
*
* Ex: Motorola C-series (BUSlink SCWi275u) like so:
*
* +COPS: (2,"T-Mobile","","310260"),(0,"Cingular Wireless","","310410")
*/
/* Quirk: Some Nokia phones (N80) don't send the quotes for empty values:
*
* +COPS: (2,"T - Mobile",,"31026"),(1,"Einstein PCS",,"31064"),(1,"Cingular",,"31041"),,(0,1,3),(0,2)
*/
r = g_regex_new ("\\((\\d),([^,\\)]*),([^,\\)]*),([^\\)]*)\\)", G_REGEX_UNGREEDY, 0, NULL);
g_assert (r);
g_regex_match (r, reply, 0, &match_info);
umts_format = FALSE;
}
/* Parse the results */
while (g_match_info_matches (match_info)) {
MM3gppNetworkInfo *info;
gchar *tmp;
gboolean valid = FALSE;
info = g_new0 (MM3gppNetworkInfo, 1);
tmp = mm_get_string_unquoted_from_match_info (match_info, 1);
info->status = parse_network_status (tmp, log_object);
g_free (tmp);
info->operator_long = mm_get_string_unquoted_from_match_info (match_info, 2);
info->operator_short = mm_get_string_unquoted_from_match_info (match_info, 3);
info->operator_code = mm_get_string_unquoted_from_match_info (match_info, 4);
/* The returned strings may be given in e.g. UCS2 */
mm_3gpp_normalize_operator (&info->operator_long, cur_charset, log_object);
mm_3gpp_normalize_operator (&info->operator_short, cur_charset, log_object);
mm_3gpp_normalize_operator (&info->operator_code, cur_charset, log_object);
/* Only try for access technology with UMTS-format matches.
* If none give, assume GSM */
tmp = (umts_format ?
mm_get_string_unquoted_from_match_info (match_info, 5) :
NULL);
info->access_tech = (tmp ?
parse_access_tech (tmp, log_object) :
MM_MODEM_ACCESS_TECHNOLOGY_GSM);
g_free (tmp);
/* If the operator number isn't valid (ie, at least 5 digits),
* ignore the scan result; it's probably the parameter stuff at the
* end of the +COPS response. The regex will sometimes catch this
* but there's no good way to ignore it.
*/
if (info->operator_code && (strlen (info->operator_code) >= 5)) {
valid = TRUE;
tmp = info->operator_code;
while (*tmp) {
if (!isdigit (*tmp) && (*tmp != '-')) {
valid = FALSE;
break;
}
tmp++;
}
}
if (valid) {
g_autofree gchar *access_tech_str = NULL;
access_tech_str = mm_modem_access_technology_build_string_from_mask (info->access_tech);
mm_obj_dbg (log_object, "found network '%s' ('%s','%s'); availability: %s, access tech: %s",
info->operator_code,
info->operator_short ? info->operator_short : "no short name",
info->operator_long ? info->operator_long : "no long name",
mm_modem_3gpp_network_availability_get_string (info->status),
access_tech_str);
info_list = g_list_prepend (info_list, info);
}
else
mm_3gpp_network_info_free (info);
g_match_info_next (match_info, NULL);
}
g_match_info_free (match_info);
g_regex_unref (r);
return info_list;
}
/*************************************************************************/
gboolean
mm_3gpp_parse_cops_read_response (const gchar *response,
guint *out_mode,
guint *out_format,
gchar **out_operator,
MMModemAccessTechnology *out_act,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
GError *inner_error = NULL;
guint mode = 0;
guint format = 0;
gchar *operator = NULL;
guint actval = 0;
MMModemAccessTechnology act = MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN;
g_assert (out_mode || out_format || out_operator || out_act);
/* We assume the response to be either:
* +COPS: <mode>,<format>,<oper>
* or:
* +COPS: <mode>,<format>,<oper>,<AcT>
*/
r = g_regex_new ("\\+COPS:\\s*(\\d+),(\\d+),([^,]*)(?:,(\\d+))?(?:\\r\\n)?", 0, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't match response");
goto out;
}
if (out_mode && !mm_get_uint_from_match_info (match_info, 1, &mode)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing mode");
goto out;
}
if (out_format && !mm_get_uint_from_match_info (match_info, 2, &format)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing format");
goto out;
}
if (out_operator && !(operator = mm_get_string_unquoted_from_match_info (match_info, 3))) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing operator");
goto out;
}
/* AcT is optional */
if (out_act && g_match_info_get_match_count (match_info) >= 5) {
if (!mm_get_uint_from_match_info (match_info, 4, &actval)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing AcT");
goto out;
}
act = get_mm_access_tech_from_etsi_access_tech (actval);
}
out:
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_free (operator);
g_propagate_error (error, inner_error);
return FALSE;
}
if (out_mode)
*out_mode = mode;
if (out_format)
*out_format = format;
if (out_operator)
*out_operator = operator;
if (out_act)
*out_act = act;
return TRUE;
}
/*************************************************************************/
/* Logic to compare two APN names */
gboolean
mm_3gpp_cmp_apn_name (const gchar *requested,
const gchar *existing)
{
size_t requested_len;
size_t existing_len;
/* If both empty, that's a good match */
if ((!existing || !existing[0]) && (!requested || !requested[0]))
return TRUE;
/* Both must be given to compare properly */
if (!existing || !existing[0] || !requested || !requested[0])
return FALSE;
requested_len = strlen (requested);
/*
* 1) The requested APN should be at least the prefix of the existing one.
*/
if (g_ascii_strncasecmp (existing, requested, requested_len) != 0)
return FALSE;
/*
* 2) If the existing one is actually the same as the requested one (i.e.
* there are no more different chars in the existing one), we're done.
*/
if (existing[requested_len] == '\0')
return TRUE;
existing_len = strlen (existing);
/* 3) Special handling for PDP contexts reported by u-blox modems once the
* contexts have been activated at least once:
* "ac.vodafone.es.MNC001.MCC214.GPRS" should match "ac.vodafone.es"
*/
if ((existing_len > (requested_len + 14)) &&
g_ascii_strncasecmp (&existing[requested_len], ".mnc", 4) == 0 &&
g_ascii_strncasecmp (&existing[requested_len + 7], ".mcc", 4) == 0)
return TRUE;
/* No match */
return FALSE;
}
/*************************************************************************/
gboolean
mm_3gpp_pdp_context_format_list_find_range (GList *pdp_format_list,
MMBearerIpFamily ip_family,
guint *out_min_cid,
guint *out_max_cid)
{
GList *l;
for (l = pdp_format_list; l; l = g_list_next (l)) {
MM3gppPdpContextFormat *format = l->data;
/* Found exact PDP type? */
if (format->pdp_type == ip_family) {
if (out_min_cid)
*out_min_cid = format->min_cid;
if (out_max_cid)
*out_max_cid = format->max_cid;
return TRUE;
}
}
return FALSE;
}
/*************************************************************************/
MM3gppProfile *
mm_3gpp_profile_new_from_pdp_context (MM3gppPdpContext *pdp_context)
{
MM3gppProfile *profile;
profile = mm_3gpp_profile_new ();
mm_3gpp_profile_set_profile_id (profile, pdp_context->cid);
mm_3gpp_profile_set_apn (profile, pdp_context->apn);
mm_3gpp_profile_set_ip_type (profile, pdp_context->pdp_type);
return profile;
}
GList *
mm_3gpp_profile_list_new_from_pdp_context_list (GList *pdp_context_list)
{
GList *profile_list = NULL;
GList *l;
for (l = pdp_context_list; l; l = g_list_next (l)) {
MM3gppPdpContext *pdp_context;
MM3gppProfile *profile;
pdp_context = (MM3gppPdpContext *)l->data;
profile = mm_3gpp_profile_new_from_pdp_context (pdp_context);
profile_list = g_list_append (profile_list, profile);
}
return profile_list;
}
void
mm_3gpp_profile_list_free (GList *profile_list)
{
g_list_free_full (profile_list, g_object_unref);
}
MM3gppProfile *
mm_3gpp_profile_list_find_by_profile_id (GList *profile_list,
gint profile_id,
GError **error)
{
GList *l;
for (l = profile_list; l; l = g_list_next (l)) {
MM3gppProfile *iter_profile = l->data;
if (mm_3gpp_profile_get_profile_id (iter_profile) == profile_id)
return g_object_ref (iter_profile);
}
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_NOT_FOUND,
"Profile '%d' not found", profile_id);
return NULL;
}
gint
mm_3gpp_profile_list_find_empty (GList *profile_list,
gint min_profile_id,
gint max_profile_id,
GError **error)
{
GList *l;
gint profile_id;
profile_id = min_profile_id;
for (l = profile_list; l; l = g_list_next (l)) {
MM3gppProfile *iter_profile = l->data;
gint iter_profile_id;
iter_profile_id = mm_3gpp_profile_get_profile_id (iter_profile);
if (iter_profile_id > profile_id)
break;
if (iter_profile_id == profile_id)
profile_id++;
}
if (profile_id > max_profile_id) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_NOT_FOUND,
"No empty profile available");
return MM_3GPP_PROFILE_ID_UNKNOWN;
}
return profile_id;
}
gint
mm_3gpp_profile_list_find_best (GList *profile_list,
MM3gppProfile *requested,
GEqualFunc cmp_apn,
MM3gppProfileCmpFlags cmp_flags,
gint min_profile_id,
gint max_profile_id,
gpointer log_object,
MM3gppProfile **out_reused,
gboolean *out_overwritten)
{
GList *l;
MMBearerIpFamily requested_ip_type;
gint prev_profile_id = 0;
gint unused_profile_id = 0;
gint max_found_profile_id = 0;
gint max_allowed_profile_id = 0;
gint blank_profile_id = 0;
g_assert (out_reused);
g_assert (out_overwritten);
requested_ip_type = mm_3gpp_profile_get_ip_type (requested);
/* When looking for exact profile matches we should not compare
* the profile id, as the requested profile won't have one set */
cmp_flags |= MM_3GPP_PROFILE_CMP_FLAGS_NO_PROFILE_ID;
/* Look for the exact PDP context we want */
for (l = profile_list; l; l = g_list_next (l)) {
MM3gppProfile *iter_profile = l->data;
MMBearerIpFamily iter_ip_type;
const gchar *iter_apn;
gint iter_profile_id;
iter_profile_id = mm_3gpp_profile_get_profile_id (iter_profile);
/* Always prefer an exact match; compare all supported fields except for profile id */
if (mm_3gpp_profile_cmp (iter_profile, requested, cmp_apn, cmp_flags)) {
mm_obj_dbg (log_object, "found exact context at profile %d", iter_profile_id);
*out_reused = g_object_ref (iter_profile);
*out_overwritten = FALSE;
return iter_profile_id;
}
/* Same PDP type but with no APN set? we may use that one if no exact match found */
iter_ip_type = mm_3gpp_profile_get_ip_type (iter_profile);
iter_apn = mm_3gpp_profile_get_apn (iter_profile);
if ((iter_ip_type == requested_ip_type) && (!iter_apn || !iter_apn[0]) && !blank_profile_id)
blank_profile_id = iter_profile_id;
/* If an unused CID was not found yet and the previous CID is not (CID - 1),
* this means that (previous CID + 1) is an unused CID that can be used.
* This logic will allow us using unused CIDs that are available in the gaps
* between already defined contexts.
*/
if (!unused_profile_id && prev_profile_id && ((prev_profile_id + 1) < iter_profile_id))
unused_profile_id = prev_profile_id + 1;
/* Update previous CID value to the current CID for use in the next loop,
* unless an unused CID was already found.
*/
if (!unused_profile_id)
prev_profile_id = iter_profile_id;
/* Update max CID if we found a bigger one */
if (max_found_profile_id < iter_profile_id)
max_found_profile_id = iter_profile_id;
}
/* Try to use an unused CID detected in between the already defined contexts */
if (unused_profile_id) {
mm_obj_dbg (log_object, "found unused profile %d", unused_profile_id);
*out_reused = NULL;
*out_overwritten = FALSE;
return unused_profile_id;
}
/* If the max existing CID found during CGDCONT? is below the max allowed
* CID, then we can use the next available CID because it's an unused one. */
max_allowed_profile_id = max_profile_id;
if (max_found_profile_id && (max_found_profile_id < max_allowed_profile_id)) {
mm_obj_dbg (log_object, "found unused profile %d (<%d)", max_found_profile_id + 1, max_allowed_profile_id);
*out_reused = NULL;
*out_overwritten = FALSE;
return (max_found_profile_id + 1);
}
/* Rewrite a context defined with no APN, if any */
if (blank_profile_id) {
mm_obj_dbg (log_object, "rewriting profile %d with empty APN", blank_profile_id);
*out_reused = NULL;
*out_overwritten = TRUE;
return blank_profile_id;
}
/* Rewrite the last existing one found */
if (max_found_profile_id) {
mm_obj_dbg (log_object, "rewriting last profile %d detected", max_found_profile_id);
*out_reused = NULL;
*out_overwritten = TRUE;
return max_found_profile_id;
}
/* Otherwise, just fallback to min CID */
mm_obj_dbg (log_object, "falling back to profile %d", min_profile_id);
*out_reused = NULL;
*out_overwritten = TRUE;
return min_profile_id;
}
/*************************************************************************/
static void
mm_3gpp_pdp_context_format_free (MM3gppPdpContextFormat *format)
{
g_slice_free (MM3gppPdpContextFormat, format);
}
void
mm_3gpp_pdp_context_format_list_free (GList *pdp_format_list)
{
g_list_free_full (pdp_format_list, (GDestroyNotify) mm_3gpp_pdp_context_format_free);
}
GList *
mm_3gpp_parse_cgdcont_test_response (const gchar *response,
gpointer log_object,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
GError *inner_error = NULL;
GList *list = NULL;
if (!response || !g_str_has_prefix (response, "+CGDCONT:")) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Missing +CGDCONT prefix");
return NULL;
}
r = g_regex_new ("\\+CGDCONT:\\s*\\(\\s*(\\d+)\\s*-?\\s*(\\d+)?[^\\)]*\\)\\s*,\\s*\\(?\"(\\S+)\"",
G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW,
0, &inner_error);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
while (!inner_error && g_match_info_matches (match_info)) {
gchar *pdp_type_str;
guint min_cid;
guint max_cid;
MMBearerIpFamily pdp_type;
/* Read PDP type */
pdp_type_str = mm_get_string_unquoted_from_match_info (match_info, 3);
pdp_type = mm_3gpp_get_ip_family_from_pdp_type (pdp_type_str);
if (pdp_type == MM_BEARER_IP_FAMILY_NONE)
mm_obj_dbg (log_object, "unhandled PDP type in CGDCONT=? reply: '%s'", pdp_type_str);
else {
/* Read min CID */
if (!mm_get_uint_from_match_info (match_info, 1, &min_cid))
mm_obj_warn (log_object, "invalid min CID in CGDCONT=? reply for PDP type '%s'", pdp_type_str);
else {
MM3gppPdpContextFormat *format;
/* Read max CID: Optional! If no value given, we default to min CID */
if (!mm_get_uint_from_match_info (match_info, 2, &max_cid))
max_cid = min_cid;
format = g_slice_new (MM3gppPdpContextFormat);
format->pdp_type = pdp_type;
format->min_cid = min_cid;
format->max_cid = max_cid;
list = g_list_prepend (list, format);
}
}
g_free (pdp_type_str);
g_match_info_next (match_info, &inner_error);
}
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
mm_obj_warn (log_object, "unexpected error matching +CGDCONT response: '%s'", inner_error->message);
g_error_free (inner_error);
}
return list;
}
/*************************************************************************/
static void
mm_3gpp_pdp_context_free (MM3gppPdpContext *pdp)
{
g_free (pdp->apn);
g_slice_free (MM3gppPdpContext, pdp);
}
void
mm_3gpp_pdp_context_list_free (GList *list)
{
g_list_free_full (list, (GDestroyNotify) mm_3gpp_pdp_context_free);
}
static gint
mm_3gpp_pdp_context_cmp (MM3gppPdpContext *a,
MM3gppPdpContext *b)
{
return (a->cid - b->cid);
}
GList *
mm_3gpp_parse_cgdcont_read_response (const gchar *reply,
GError **error)
{
GError *inner_error = NULL;
GRegex *r;
GMatchInfo *match_info;
GList *list;
if (!reply || !reply[0])
/* No APNs configured, all done */
return NULL;
list = NULL;
r = g_regex_new ("\\+CGDCONT:\\s*(\\d+)\\s*,([^, \\)]*)\\s*,([^, \\)]*)\\s*,([^, \\)]*)",
G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW,
0, &inner_error);
if (r) {
g_regex_match_full (r, reply, strlen (reply), 0, 0, &match_info, &inner_error);
while (!inner_error &&
g_match_info_matches (match_info)) {
gchar *str;
MMBearerIpFamily ip_family;
str = mm_get_string_unquoted_from_match_info (match_info, 2);
ip_family = mm_3gpp_get_ip_family_from_pdp_type (str);
if (ip_family != MM_BEARER_IP_FAMILY_NONE) {
MM3gppPdpContext *pdp;
pdp = g_slice_new0 (MM3gppPdpContext);
if (!mm_get_uint_from_match_info (match_info, 1, &pdp->cid)) {
inner_error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse CID from reply: '%s'",
reply);
break;
}
pdp->pdp_type = ip_family;
pdp->apn = mm_get_string_unquoted_from_match_info (match_info, 3);
list = g_list_prepend (list, pdp);
}
g_free (str);
g_match_info_next (match_info, &inner_error);
}
g_match_info_free (match_info);
g_regex_unref (r);
}
if (inner_error) {
mm_3gpp_pdp_context_list_free (list);
g_propagate_error (error, inner_error);
g_prefix_error (error, "Couldn't properly parse list of PDP contexts. ");
return NULL;
}
list = g_list_sort (list, (GCompareFunc)mm_3gpp_pdp_context_cmp);
return list;
}
/*************************************************************************/
static void
mm_3gpp_pdp_context_active_free (MM3gppPdpContextActive *pdp_active)
{
g_slice_free (MM3gppPdpContextActive, pdp_active);
}
void
mm_3gpp_pdp_context_active_list_free (GList *pdp_active_list)
{
g_list_free_full (pdp_active_list, (GDestroyNotify) mm_3gpp_pdp_context_active_free);
}
gint
mm_3gpp_pdp_context_active_cmp (MM3gppPdpContextActive *a,
MM3gppPdpContextActive *b)
{
return (a->cid - b->cid);
}
GList *
mm_3gpp_parse_cgact_read_response (const gchar *reply,
GError **error)
{
GError *inner_error = NULL;
GRegex *r;
GMatchInfo *match_info;
GList *list;
if (!reply || !reply[0])
/* Nothing configured, all done */
return NULL;
list = NULL;
r = g_regex_new ("\\+CGACT:\\s*(\\d+),(\\d+)",
G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW, 0, &inner_error);
g_assert (r);
g_regex_match_full (r, reply, strlen (reply), 0, 0, &match_info, &inner_error);
while (!inner_error && g_match_info_matches (match_info)) {
MM3gppPdpContextActive *pdp_active;
guint cid = 0;
guint aux = 0;
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 reply: '%s'",
reply);
break;
}
if (!mm_get_uint_from_match_info (match_info, 2, &aux) || (aux != 0 && aux != 1)) {
inner_error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse context status from reply: '%s'",
reply);
break;
}
pdp_active = g_slice_new0 (MM3gppPdpContextActive);
pdp_active->cid = cid;
pdp_active->active = (gboolean) aux;
list = g_list_prepend (list, pdp_active);
g_match_info_next (match_info, &inner_error);
}
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
mm_3gpp_pdp_context_active_list_free (list);
g_propagate_error (error, inner_error);
g_prefix_error (error, "Couldn't properly parse list of active/inactive PDP contexts. ");
return NULL;
}
list = g_list_sort (list, (GCompareFunc) mm_3gpp_pdp_context_active_cmp);
return list;
}
/*************************************************************************/
static gboolean
item_is_lac_not_stat (GMatchInfo *info, guint32 item)
{
gchar *str;
gboolean is_lac = FALSE;
/* A <stat> will always be a single digit, without quotes */
str = g_match_info_fetch (info, item);
g_assert (str);
is_lac = (strchr (str, '"') || strlen (str) > 1);
g_free (str);
return is_lac;
}
gboolean
mm_3gpp_parse_creg_response (GMatchInfo *info,
gpointer log_object,
MMModem3gppRegistrationState *out_reg_state,
gulong *out_lac,
gulong *out_ci,
MMModemAccessTechnology *out_act,
gboolean *out_cgreg,
gboolean *out_cereg,
gboolean *out_c5greg,
GError **error)
{
gint n_matches, act = -1;
guint stat = 0;
guint64 lac = 0, ci = 0;
guint istat = 0, ilac = 0, ici = 0, iact = 0;
gchar *str;
g_assert (info != NULL);
g_assert (out_reg_state != NULL);
g_assert (out_lac != NULL);
g_assert (out_ci != NULL);
g_assert (out_act != NULL);
g_assert (out_cgreg != NULL);
g_assert (out_cereg != NULL);
g_assert (out_c5greg != NULL);
str = g_match_info_fetch (info, 1);
*out_cgreg = (str && strstr (str, "CGREG")) ? TRUE : FALSE;
*out_cereg = (str && strstr (str, "CEREG")) ? TRUE : FALSE;
*out_c5greg = (str && strstr (str, "C5GREG")) ? TRUE : FALSE;
g_free (str);
/* Normally the number of matches could be used to determine what each
* item is, but we have overlap in one case.
*/
n_matches = g_match_info_get_match_count (info);
if (n_matches == 3) {
/* CREG=1: +CREG: <stat> */
istat = 2;
} else if (n_matches == 4) {
/* Solicited response: +CREG: <n>,<stat> */
istat = 3;
} else if (n_matches == 5) {
/* CREG=2 (GSM 07.07): +CREG: <stat>,<lac>,<ci> */
istat = 2;
ilac = 3;
ici = 4;
} else if (n_matches == 6) {
/* CREG=2 (ETSI 27.007): +CREG: <stat>,<lac>,<ci>,<AcT>
* CREG=2 (non-standard): +CREG: <n>,<stat>,<lac>,<ci>
*/
/* Check if the third item is the LAC to distinguish the two cases */
if (item_is_lac_not_stat (info, 3)) {
istat = 2;
ilac = 3;
ici = 4;
iact = 5;
} else {
istat = 3;
ilac = 4;
ici = 5;
}
} else if (n_matches == 7) {
/* CREG=2 (solicited): +CREG: <n>,<stat>,<lac>,<ci>,<AcT>
* CREG=2 (unsolicited with RAC): +CREG: <stat>,<lac>,<ci>,<AcT>,<RAC>
* CEREG=2 (solicited): +CEREG: <n>,<stat>,<lac>,<ci>,<AcT>
* CEREG=2 (unsolicited with RAC): +CEREG: <stat>,<lac>,<rac>,<ci>,<AcT>
*/
if (*out_cereg) {
/* Check if the third item is the LAC to distinguish the two cases */
if (item_is_lac_not_stat (info, 3)) {
istat = 2;
ilac = 3;
} else {
istat = 3;
ilac = 4;
}
ici = 5;
iact = 6;
} else {
/* Check if the third item is the LAC to distinguish the two cases */
if (item_is_lac_not_stat (info, 3)) {
istat = 2;
ilac = 3;
ici = 4;
iact = 5;
} else {
istat = 3;
ilac = 4;
ici = 5;
iact = 6;
}
}
} else if (n_matches == 8) {
/* CEREG=2 (solicited with RAC): +CEREG: <n>,<stat>,<lac>,<rac>,<ci>,<AcT>
* C5GREG=2 (unsolicited): +C5GREG: <stat>,<tac>,<ci>,<AcT>,<Allowed_NSSAI_length>,<Allowed_NSSAI>
*/
if (*out_cereg) {
istat = 3;
ilac = 4;
ici = 6;
iact = 7;
} else if (*out_c5greg) {
istat = 2;
ilac = 3;
ici = 4;
iact = 5;
}
} else if (n_matches == 9) {
/* C5GREG=2 (solicited): +C5GREG: <n>,<stat>,<tac>,<ci>,<AcT>,<Allowed_NSSAI_length>,<Allowed_NSSAI> */
istat = 3;
ilac = 4;
ici = 5;
iact = 6;
}
/* Status */
if (!mm_get_uint_from_match_info (info, istat, &stat)) {
g_set_error_literal (error,
MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse the registration status response");
return FALSE;
}
/* 'attached RLOS' is the last valid state */
if (stat > MM_MODEM_3GPP_REGISTRATION_STATE_ATTACHED_RLOS) {
mm_obj_warn (log_object, "unknown registration state value '%u'", stat);
stat = MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN;
}
/* Location Area Code/Tracking Area Code
* FIXME: some phones apparently swap the LAC bytes (LG, SonyEricsson,
* Sagem). Need to handle that.
*/
if (ilac)
mm_get_u64_from_hex_match_info (info, ilac, &lac);
/* Cell ID */
if (ici)
mm_get_u64_from_hex_match_info (info, ici, &ci);
/* Access Technology */
if (iact)
mm_get_int_from_match_info (info, iact, &act);
*out_reg_state = (MMModem3gppRegistrationState) stat;
if (stat != MM_MODEM_3GPP_REGISTRATION_STATE_UNKNOWN) {
/* Don't fill in lac/ci/act if the device's state is unknown */
*out_lac = (gulong)lac;
*out_ci = (gulong)ci;
*out_act = (act >= 0 ? get_mm_access_tech_from_etsi_access_tech (act) : MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN);
}
return TRUE;
}
/*************************************************************************/
#define CMGF_TAG "+CMGF:"
gboolean
mm_3gpp_parse_cmgf_test_response (const gchar *reply,
gboolean *sms_pdu_supported,
gboolean *sms_text_supported,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
gchar *s;
guint32 min = -1, max = -1;
/* Strip whitespace and response tag */
if (g_str_has_prefix (reply, CMGF_TAG))
reply += strlen (CMGF_TAG);
while (isspace (*reply))
reply++;
r = g_regex_new ("\\(?\\s*(\\d+)\\s*[-,]?\\s*(\\d+)?\\s*\\)?", 0, 0, error);
if (!r)
return FALSE;
if (!g_regex_match (r, reply, 0, &match_info)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse CMGF query result '%s'",
reply);
g_match_info_free (match_info);
g_regex_unref (r);
return FALSE;
}
s = g_match_info_fetch (match_info, 1);
if (s)
min = atoi (s);
g_free (s);
s = g_match_info_fetch (match_info, 2);
if (s)
max = atoi (s);
g_free (s);
/* CMGF=0 for PDU mode */
*sms_pdu_supported = (min == 0);
/* CMGF=1 for Text mode */
*sms_text_supported = (max >= 1);
g_match_info_free (match_info);
g_regex_unref (r);
return TRUE;
}
/*************************************************************************/
MM3gppPduInfo *
mm_3gpp_parse_cmgr_read_response (const gchar *reply,
guint index,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
gint count;
gint status;
gchar *pdu;
MM3gppPduInfo *info = NULL;
/* +CMGR: <stat>,<alpha>,<length>(whitespace)<pdu> */
/* The <alpha> and <length> fields are matched, but not currently used */
r = g_regex_new ("\\+CMGR:\\s*(\\d+)\\s*,([^,]*),\\s*(\\d+)\\s*([^\\r\\n]*)", 0, 0, NULL);
g_assert (r);
if (!g_regex_match (r, reply, 0, &match_info)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse CMGR read result: response didn't match '%s'",
reply);
goto done;
}
/* g_match_info_get_match_count includes match #0 */
if ((count = g_match_info_get_match_count (match_info)) != 5) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to match CMGR fields (matched %d) '%s'",
count,
reply);
goto done;
}
if (!mm_get_int_from_match_info (match_info, 1, &status)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to extract CMGR status field '%s'",
reply);
goto done;
}
pdu = mm_get_string_unquoted_from_match_info (match_info, 4);
if (!pdu) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to extract CMGR pdu field '%s'",
reply);
goto done;
}
info = g_new0 (MM3gppPduInfo, 1);
info->index = index;
info->status = status;
info->pdu = pdu;
done:
g_match_info_free (match_info);
g_regex_unref (r);
return info;
}
/*****************************************************************************/
/* AT+CRSM response parser */
gboolean
mm_3gpp_parse_crsm_response (const gchar *reply,
guint *sw1,
guint *sw2,
gchar **hex,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
g_assert (sw1 != NULL);
g_assert (sw2 != NULL);
g_assert (hex != NULL);
*sw1 = 0;
*sw2 = 0;
*hex = NULL;
if (!reply || !g_str_has_prefix (reply, "+CRSM:")) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Missing +CRSM prefix");
return FALSE;
}
r = g_regex_new ("\\+CRSM:\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*\"?([0-9a-fA-F]+)\"?",
G_REGEX_RAW, 0, NULL);
g_assert (r != NULL);
if (g_regex_match (r, reply, 0, &match_info) &&
mm_get_uint_from_match_info (match_info, 1, sw1) &&
mm_get_uint_from_match_info (match_info, 2, sw2))
*hex = mm_get_string_unquoted_from_match_info (match_info, 3);
g_match_info_free (match_info);
g_regex_unref (r);
if (*hex == NULL) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse CRSM query result '%s'",
reply);
return FALSE;
}
return TRUE;
}
/*************************************************************************/
/* CGCONTRDP=N response parser */
static gboolean
split_local_address_and_subnet (const gchar *str,
gchar **local_address,
gchar **subnet)
{
const gchar *separator;
guint count = 0;
/* E.g. split: "2.43.2.44.255.255.255.255"
* into:
* local address: "2.43.2.44",
* subnet: "255.255.255.255"
*/
g_assert (str);
g_assert (local_address);
g_assert (subnet);
separator = str;
while (1) {
separator = strchr (separator, '.');
if (separator) {
count++;
if (count == 4) {
if (local_address)
*local_address = g_strndup (str, (separator - str));
if (subnet)
*subnet = g_strdup (++separator);
return TRUE;
}
separator++;
continue;
}
/* Not even the full IP? report error parsing */
if (count < 3)
return FALSE;
if (count == 3) {
if (local_address)
*local_address = g_strdup (str);
if (subnet)
*subnet = NULL;
return TRUE;
}
}
}
gboolean
mm_3gpp_parse_cgcontrdp_response (const gchar *response,
guint *out_cid,
guint *out_bearer_id,
gchar **out_apn,
gchar **out_local_address,
gchar **out_subnet,
gchar **out_gateway_address,
gchar **out_dns_primary_address,
gchar **out_dns_secondary_address,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
GError *inner_error = NULL;
guint cid = 0;
guint bearer_id = 0;
gchar *apn = NULL;
gchar *local_address_and_subnet = NULL;
gchar *local_address = NULL;
gchar *subnet = NULL;
gchar *gateway_address = NULL;
gchar *dns_primary_address = NULL;
gchar *dns_secondary_address = NULL;
guint field_format_extra_index = 0;
/* Response may be e.g.:
* +CGCONTRDP: 4,5,"ibox.tim.it.mnc001.mcc222.gprs","2.197.17.49.255.255.255.255","2.197.17.49","10.207.43.46","10.206.56.132","0.0.0.0","0.0.0.0",0
*
* We assume only ONE line is returned; because we request +CGCONTRDP with
* a specific N CID. Also, we don't parse all fields, we stop after
* secondary DNS.
*
* Only the 3 first parameters (cid, bearer id, apn) are mandatory in the
* response, all the others are optional, but, we'll anyway assume that APN
* may be empty.
*
* The format of the response changed in TS 27.007 v9.4.0, we try to detect
* both formats ('a' if >= v9.4.0, 'b' if < v9.4.0) with a single regex here.
*/
r = g_regex_new ("\\+CGCONTRDP: "
"(\\d+),(\\d+),([^,]*)" /* cid, bearer id, apn */
"(?:,([^,]*))?" /* (a)ip+mask or (b)ip */
"(?:,([^,]*))?" /* (a)gateway or (b)mask */
"(?:,([^,]*))?" /* (a)dns1 or (b)gateway */
"(?:,([^,]*))?" /* (a)dns2 or (b)dns1 */
"(?:,([^,]*))?" /* (a)p-cscf primary or (b)dns2 */
"(?:,(.*))?" /* others, ignored */
"(?:\\r\\n)?",
0, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS, "Couldn't match +CGCONTRDP response");
goto out;
}
if (out_cid && !mm_get_uint_from_match_info (match_info, 1, &cid)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing cid");
goto out;
}
if (out_bearer_id && !mm_get_uint_from_match_info (match_info, 2, &bearer_id)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing bearer id");
goto out;
}
/* Remaining strings are optional or empty allowed */
if (out_apn)
apn = mm_get_string_unquoted_from_match_info (match_info, 3);
/*
* The +CGCONTRDP=[cid] response format before version TS 27.007 v9.4.0 had
* the subnet in its own comma-separated field. Try to detect that.
*/
local_address_and_subnet = mm_get_string_unquoted_from_match_info (match_info, 4);
if (local_address_and_subnet && !split_local_address_and_subnet (local_address_and_subnet, &local_address, &subnet)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing local address and subnet");
goto out;
}
/* If we don't have a subnet in field 4, we're using the old format with subnet in an extra field */
if (!subnet) {
if (out_subnet)
subnet = mm_get_string_unquoted_from_match_info (match_info, 5);
field_format_extra_index = 1;
}
if (out_gateway_address)
gateway_address = mm_get_string_unquoted_from_match_info (match_info, 5 + field_format_extra_index);
if (out_dns_primary_address)
dns_primary_address = mm_get_string_unquoted_from_match_info (match_info, 6 + field_format_extra_index);
if (out_dns_secondary_address)
dns_secondary_address = mm_get_string_unquoted_from_match_info (match_info, 7 + field_format_extra_index);
out:
g_match_info_free (match_info);
g_regex_unref (r);
g_free (local_address_and_subnet);
if (inner_error) {
g_free (apn);
g_free (local_address);
g_free (subnet);
g_free (gateway_address);
g_free (dns_primary_address);
g_free (dns_secondary_address);
g_propagate_error (error, inner_error);
return FALSE;
}
if (out_cid)
*out_cid = cid;
if (out_bearer_id)
*out_bearer_id = bearer_id;
if (out_apn)
*out_apn = apn;
/* Local address and subnet may always be retrieved, even if not requested
* by the caller, as we need them to know which +CGCONTRDP=[cid] response is
* being parsed. So make sure we free them if not needed. */
if (out_local_address)
*out_local_address = local_address;
else
g_free (local_address);
if (out_subnet)
*out_subnet = subnet;
else
g_free (subnet);
if (out_gateway_address)
*out_gateway_address = gateway_address;
if (out_dns_primary_address)
*out_dns_primary_address = dns_primary_address;
if (out_dns_secondary_address)
*out_dns_secondary_address = dns_secondary_address;
return TRUE;
}
/*************************************************************************/
gboolean
mm_3gpp_parse_cfun_query_response (const gchar *response,
guint *out_state,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
GError *inner_error = NULL;
guint state = G_MAXUINT;
g_assert (out_state != NULL);
/* Response may be e.g.:
* +CFUN: 1,0
* ..but we don't care about the second number
*/
r = g_regex_new ("\\+CFUN: (\\d+)(?:,(?:\\d+))?(?:\\r\\n)?", 0, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't parse +CFUN response: %s", response);
goto out;
}
if (!mm_get_uint_from_match_info (match_info, 1, &state)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't read power state value");
goto out;
}
*out_state = state;
out:
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
return TRUE;
}
/*****************************************************************************/
/* +CESQ response parser */
gboolean
mm_3gpp_parse_cesq_response (const gchar *response,
guint *out_rxlev,
guint *out_ber,
guint *out_rscp,
guint *out_ecn0,
guint *out_rsrq,
guint *out_rsrp,
GError **error)
{
GRegex *r;
GMatchInfo *match_info;
GError *inner_error = NULL;
guint rxlev = 99;
guint ber = 99;
guint rscp = 255;
guint ecn0 = 255;
guint rsrq = 255;
guint rsrp = 255;
gboolean success = FALSE;
g_assert (out_rxlev);
g_assert (out_ber);
g_assert (out_rscp);
g_assert (out_ecn0);
g_assert (out_rsrq);
g_assert (out_rsrp);
/* Response may be e.g.:
* +CESQ: 99,99,255,255,20,80
*/
r = g_regex_new ("\\+CESQ: (\\d+),(\\d+),(\\d+),(\\d+),(\\d+),(\\d+)(?:\\r\\n)?", 0, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (!inner_error && g_match_info_matches (match_info)) {
if (!mm_get_uint_from_match_info (match_info, 1, &rxlev)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RXLEV");
goto out;
}
if (!mm_get_uint_from_match_info (match_info, 2, &ber)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read BER");
goto out;
}
if (!mm_get_uint_from_match_info (match_info, 3, &rscp)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSCP");
goto out;
}
if (!mm_get_uint_from_match_info (match_info, 4, &ecn0)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read Ec/N0");
goto out;
}
if (!mm_get_uint_from_match_info (match_info, 5, &rsrq)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSRQ");
goto out;
}
if (!mm_get_uint_from_match_info (match_info, 6, &rsrp)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't read RSRP");
goto out;
}
success = TRUE;
}
out:
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
if (!success) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't parse +CESQ response: %s", response);
return FALSE;
}
*out_rxlev = rxlev;
*out_ber = ber;
*out_rscp = rscp;
*out_ecn0 = ecn0;
*out_rsrq = rsrq;
*out_rsrp = rsrp;
return TRUE;
}
gboolean
mm_3gpp_rxlev_to_rssi (guint rxlev,
gpointer log_object,
gdouble *out_rssi)
{
if (rxlev <= 63) {
*out_rssi = -111.0 + rxlev;
return TRUE;
}
if (rxlev != 99)
mm_obj_warn (log_object, "unexpected rxlev: %u", rxlev);
return FALSE;
}
gboolean
mm_3gpp_rscp_level_to_rscp (guint rscp_level,
gpointer log_object,
gdouble *out_rscp)
{
if (rscp_level <= 96) {
*out_rscp = -121.0 + rscp_level;
return TRUE;
}
if (rscp_level != 255)
mm_obj_warn (log_object, "unexpected rscp level: %u", rscp_level);
return FALSE;
}
gboolean
mm_3gpp_ecn0_level_to_ecio (guint ecn0_level,
gpointer log_object,
gdouble *out_ecio)
{
if (ecn0_level <= 49) {
*out_ecio = -24.5 + (((gdouble) ecn0_level) * 0.5);
return TRUE;
}
if (ecn0_level != 255)
mm_obj_warn (log_object, "unexpected Ec/N0 level: %u", ecn0_level);
return FALSE;
}
gboolean
mm_3gpp_rsrq_level_to_rsrq (guint rsrq_level,
gpointer log_object,
gdouble *out_rsrq)
{
if (rsrq_level <= 34) {
*out_rsrq = -20.0 + (((gdouble) rsrq_level) * 0.5);
return TRUE;
}
if (rsrq_level != 255)
mm_obj_warn (log_object, "unexpected RSRQ level: %u", rsrq_level);
return FALSE;
}
gboolean
mm_3gpp_rsrp_level_to_rsrp (guint rsrp_level,
gpointer log_object,
gdouble *out_rsrp)
{
if (rsrp_level <= 97) {
*out_rsrp = -141.0 + rsrp_level;
return TRUE;
}
if (rsrp_level != 255)
mm_obj_warn (log_object, "unexpected RSRP level: %u", rsrp_level);
return FALSE;
}
gboolean
mm_3gpp_cesq_response_to_signal_info (const gchar *response,
gpointer log_object,
MMSignal **out_gsm,
MMSignal **out_umts,
MMSignal **out_lte,
GError **error)
{
guint rxlev = 0;
guint ber = 0;
guint rscp_level = 0;
guint ecn0_level = 0;
guint rsrq_level = 0;
guint rsrp_level = 0;
gdouble rssi = -G_MAXDOUBLE;
gdouble rscp = -G_MAXDOUBLE;
gdouble ecio = -G_MAXDOUBLE;
gdouble rsrq = -G_MAXDOUBLE;
gdouble rsrp = -G_MAXDOUBLE;
MMSignal *gsm = NULL;
MMSignal *umts = NULL;
MMSignal *lte = NULL;
if (!mm_3gpp_parse_cesq_response (response,
&rxlev, &ber,
&rscp_level, &ecn0_level,
&rsrq_level, &rsrp_level,
error))
return FALSE;
/* GERAN RSSI */
if (mm_3gpp_rxlev_to_rssi (rxlev, log_object, &rssi)) {
gsm = mm_signal_new ();
mm_signal_set_rssi (gsm, rssi);
}
/* ignore BER */
/* UMTS RSCP */
if (mm_3gpp_rscp_level_to_rscp (rscp_level, log_object, &rscp)) {
umts = mm_signal_new ();
mm_signal_set_rscp (umts, rscp);
}
/* UMTS EcIo (assumed EcN0) */
if (mm_3gpp_ecn0_level_to_ecio (ecn0_level, log_object, &ecio)) {
if (!umts)
umts = mm_signal_new ();
mm_signal_set_ecio (umts, ecio);
}
/* LTE RSRQ */
if (mm_3gpp_rsrq_level_to_rsrq (rsrq_level, log_object, &rsrq)) {
lte = mm_signal_new ();
mm_signal_set_rsrq (lte, rsrq);
}
/* LTE RSRP */
if (mm_3gpp_rsrp_level_to_rsrp (rsrp_level, log_object, &rsrp)) {
if (!lte)
lte = mm_signal_new ();
mm_signal_set_rsrp (lte, rsrp);
}
if (!gsm && !umts && !lte) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't build detailed signal info");
return FALSE;
}
if (gsm)
*out_gsm = gsm;
if (umts)
*out_umts = umts;
if (lte)
*out_lte = lte;
return TRUE;
}
gboolean
mm_3gpp_parse_cfun_query_generic_response (const gchar *response,
MMModemPowerState *out_state,
GError **error)
{
guint state;
if (!mm_3gpp_parse_cfun_query_response (response, &state, error))
return FALSE;
switch (state) {
case 0:
*out_state = MM_MODEM_POWER_STATE_OFF;
return TRUE;
case 1:
*out_state = MM_MODEM_POWER_STATE_ON;
return TRUE;
case 4:
*out_state = MM_MODEM_POWER_STATE_LOW;
return TRUE;
default:
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Unknown +CFUN state: %u", state);
return FALSE;
}
}
static MMModem3gppEpsUeModeOperation cemode_values[] = {
[0] = MM_MODEM_3GPP_EPS_UE_MODE_OPERATION_PS_2,
[1] = MM_MODEM_3GPP_EPS_UE_MODE_OPERATION_CSPS_1,
[2] = MM_MODEM_3GPP_EPS_UE_MODE_OPERATION_CSPS_2,
[3] = MM_MODEM_3GPP_EPS_UE_MODE_OPERATION_PS_1,
};
gchar *
mm_3gpp_build_cemode_set_request (MMModem3gppEpsUeModeOperation mode)
{
guint i;
g_return_val_if_fail (mode != MM_MODEM_3GPP_EPS_UE_MODE_OPERATION_UNKNOWN, NULL);
for (i = 0; i < G_N_ELEMENTS (cemode_values); i++) {
if (mode == cemode_values[i])
return g_strdup_printf ("+CEMODE=%u", i);
}
g_assert_not_reached ();
return NULL;
}
gboolean
mm_3gpp_parse_cemode_query_response (const gchar *response,
MMModem3gppEpsUeModeOperation *out_mode,
GError **error)
{
guint value = 0;
response = mm_strip_tag (response, "+CEMODE:");
if (mm_get_uint_from_str (response, &value) && value < G_N_ELEMENTS (cemode_values)) {
if (out_mode)
*out_mode = cemode_values[value];
return TRUE;
}
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse UE mode of operation: '%s' (value %u)",
response, value);
return FALSE;
}
/*************************************************************************/
/* CCWA service query response parser */
gboolean
mm_3gpp_parse_ccwa_service_query_response (const gchar *response,
gpointer log_object,
gboolean *status,
GError **error)
{
GRegex *r;
GError *inner_error = NULL;
GMatchInfo *match_info = NULL;
gint class_1_status = -1;
/*
* AT+CCWA=<n>[,<mode>]
* +CCWA: <status>,<class1>
* [+CCWA: <status>,<class2>
* [...]]
* OK
*
* If <classX> is 255 it applies to ALL classes.
*
* We're only interested in class 1 (voice)
*/
r = g_regex_new ("\\+CCWA:\\s*(\\d+),\\s*(\\d+)$",
G_REGEX_RAW | G_REGEX_MULTILINE | G_REGEX_NEWLINE_CRLF,
G_REGEX_MATCH_NEWLINE_CRLF,
NULL);
g_assert (r != NULL);
g_regex_match_full (r, response, strlen (response), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
/* Parse the results */
while (g_match_info_matches (match_info)) {
guint st;
guint class;
if (!mm_get_uint_from_match_info (match_info, 2, &class))
mm_obj_warn (log_object, "couldn't parse class from +CCWA line");
else if (class == 1 || class == 255) {
if (!mm_get_uint_from_match_info (match_info, 1, &st))
mm_obj_warn (log_object, "couldn't parse status from +CCWA line");
else {
class_1_status = st;
break;
}
}
g_match_info_next (match_info, NULL);
}
out:
g_clear_pointer (&match_info, g_match_info_free);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
if (class_1_status < 0) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_NOT_FOUND,
"call waiting status for voice class missing");
return FALSE;
}
if (class_1_status != 0 && class_1_status != 1) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
"call waiting status for voice class invalid: %d", class_1_status);
return FALSE;
}
if (status)
*status = (gboolean) class_1_status;
return TRUE;
}
/*************************************************************************/
/* CGATT helpers */
gchar *
mm_3gpp_build_cgatt_set_request (MMModem3gppPacketServiceState state)
{
guint cgatt_action;
switch (state) {
case MM_MODEM_3GPP_PACKET_SERVICE_STATE_ATTACHED:
cgatt_action = 1;
break;
case MM_MODEM_3GPP_PACKET_SERVICE_STATE_DETACHED:
cgatt_action = 0;
break;
case MM_MODEM_3GPP_PACKET_SERVICE_STATE_UNKNOWN:
default:
return NULL;
}
return g_strdup_printf ("+CGATT=%u", cgatt_action);
}
/*************************************************************************/
static MMSmsStorage
storage_from_str (const gchar *str)
{
if (g_str_equal (str, "SM"))
return MM_SMS_STORAGE_SM;
if (g_str_equal (str, "ME"))
return MM_SMS_STORAGE_ME;
if (g_str_equal (str, "MT"))
return MM_SMS_STORAGE_MT;
if (g_str_equal (str, "SR"))
return MM_SMS_STORAGE_SR;
if (g_str_equal (str, "BM"))
return MM_SMS_STORAGE_BM;
if (g_str_equal (str, "TA"))
return MM_SMS_STORAGE_TA;
return MM_SMS_STORAGE_UNKNOWN;
}
gboolean
mm_3gpp_parse_cpms_test_response (const gchar *reply,
GArray **mem1,
GArray **mem2,
GArray **mem3,
GError **error)
{
guint i;
g_autoptr(GRegex) r = NULL;
g_autoptr(GArray) tmp1 = NULL;
g_autoptr(GArray) tmp2 = NULL;
g_autoptr(GArray) tmp3 = NULL;
g_auto(GStrv) split = NULL;
g_assert (mem1 != NULL);
g_assert (mem2 != NULL);
g_assert (mem3 != NULL);
#define N_EXPECTED_GROUPS 3
split = mm_split_string_groups (mm_strip_tag (reply, "+CPMS:"));
if (!split) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't split +CPMS test response in groups");
return FALSE;
}
if (g_strv_length (split) != N_EXPECTED_GROUPS) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Cannot parse +CPMS test response: invalid number of groups (%u != %u)",
g_strv_length (split), N_EXPECTED_GROUPS);
return FALSE;
}
r = g_regex_new ("\\s*\"([^,\\)]+)\"\\s*", 0, 0, NULL);
g_assert (r);
for (i = 0; i < N_EXPECTED_GROUPS; i++) {
GMatchInfo *match_info = NULL;
GArray *array;
/* We always return a valid array, even if it may be empty */
array = g_array_new (FALSE, FALSE, sizeof (MMSmsStorage));
/* Got a range group to match */
if (g_regex_match (r, split[i], 0, &match_info)) {
while (g_match_info_matches (match_info)) {
gchar *str;
str = g_match_info_fetch (match_info, 1);
if (str) {
MMSmsStorage storage;
storage = storage_from_str (str);
g_array_append_val (array, storage);
g_free (str);
}
g_match_info_next (match_info, NULL);
}
}
g_match_info_free (match_info);
if (!tmp1)
tmp1 = array;
else if (!tmp2)
tmp2 = array;
else if (!tmp3)
tmp3 = array;
else
g_assert_not_reached ();
}
/* Only return TRUE if all sets have been parsed correctly
* (even if the arrays may be empty) */
if (tmp1 && tmp2 && tmp3) {
*mem1 = g_steal_pointer (&tmp1);
*mem2 = g_steal_pointer (&tmp2);
*mem3 = g_steal_pointer (&tmp3);
return TRUE;
}
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Cannot parse +CPMS test response: mem1 %s, mem2 %s, mem3 %s",
tmp1 ? "yes" : "no",
tmp2 ? "yes" : "no",
tmp3 ? "yes" : "no");
return FALSE;
}
/**********************************************************************
* AT+CPMS?
* +CPMS: <memr>,<usedr>,<totalr>,<memw>,<usedw>,<totalw>, <mems>,<useds>,<totals>
*/
#define CPMS_QUERY_REGEX "\\+CPMS:\\s*\"(?P<memr>.*)\",[0-9]+,[0-9]+,\"(?P<memw>.*)\",[0-9]+,[0-9]+,\"(?P<mems>.*)\",[0-9]+,[0-9]"
gboolean
mm_3gpp_parse_cpms_query_response (const gchar *reply,
MMSmsStorage *memr,
MMSmsStorage *memw,
GError **error)
{
GRegex *r = NULL;
gboolean ret = FALSE;
GMatchInfo *match_info = NULL;
r = g_regex_new (CPMS_QUERY_REGEX, G_REGEX_RAW, 0, NULL);
g_assert (r);
if (!g_regex_match (r, reply, 0, &match_info)) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse CPMS query response '%s'", reply);
goto end;
}
if (!g_match_info_matches (match_info)) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not find matches in CPMS query reply '%s'", reply);
goto end;
}
if (!mm_3gpp_get_cpms_storage_match (match_info, "memr", memr, error)) {
goto end;
}
if (!mm_3gpp_get_cpms_storage_match (match_info, "memw", memw, error)) {
goto end;
}
ret = TRUE;
end:
if (r != NULL)
g_regex_unref (r);
g_match_info_free (match_info);
return ret;
}
gboolean
mm_3gpp_get_cpms_storage_match (GMatchInfo *match_info,
const gchar *match_name,
MMSmsStorage *storage,
GError **error)
{
gboolean ret = TRUE;
gchar *str = NULL;
str = g_match_info_fetch_named (match_info, match_name);
if (str == NULL || str[0] == '\0') {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not find '%s' from CPMS reply", match_name);
ret = FALSE;
} else {
*storage = storage_from_str (str);
}
g_free (str);
return ret;
}
/*************************************************************************/
gboolean
mm_3gpp_parse_cscs_test_response (const gchar *reply,
MMModemCharset *out_charsets)
{
MMModemCharset charsets = MM_MODEM_CHARSET_UNKNOWN;
GRegex *r;
GMatchInfo *match_info;
gchar *p, *str;
gboolean success = FALSE;
g_return_val_if_fail (reply != NULL, FALSE);
g_return_val_if_fail (out_charsets != NULL, FALSE);
/* Find the first '(' or '"'; the general format is:
*
* +CSCS: ("IRA","GSM","UCS2")
*
* but some devices (some Blackberries) don't include the ().
*/
p = strchr (reply, '(');
if (p)
p++;
else {
p = strchr (reply, '"');
if (!p)
return FALSE;
}
/* Now parse each charset */
r = g_regex_new ("\\s*([^,\\)]+)\\s*", 0, 0, NULL);
if (!r)
return FALSE;
if (g_regex_match (r, p, 0, &match_info)) {
while (g_match_info_matches (match_info)) {
str = g_match_info_fetch (match_info, 1);
charsets |= mm_modem_charset_from_string (str);
g_free (str);
g_match_info_next (match_info, NULL);
success = TRUE;
}
}
g_match_info_free (match_info);
g_regex_unref (r);
if (success)
*out_charsets = charsets;
return success;
}
/*************************************************************************/
gboolean
mm_3gpp_parse_clck_test_response (const gchar *reply,
MMModem3gppFacility *out_facilities)
{
GRegex *r;
GMatchInfo *match_info;
g_return_val_if_fail (reply != NULL, FALSE);
g_return_val_if_fail (out_facilities != NULL, FALSE);
/* the general format is:
*
* +CLCK: ("SC","AO","AI","PN")
*/
reply = mm_strip_tag (reply, "+CLCK:");
/* Now parse each facility */
r = g_regex_new ("\\s*\"([^,\\)]+)\"\\s*", 0, 0, NULL);
g_assert (r != NULL);
*out_facilities = MM_MODEM_3GPP_FACILITY_NONE;
if (g_regex_match (r, reply, 0, &match_info)) {
while (g_match_info_matches (match_info)) {
gchar *str;
str = g_match_info_fetch (match_info, 1);
if (str) {
*out_facilities |= mm_3gpp_acronym_to_facility (str);
g_free (str);
}
g_match_info_next (match_info, NULL);
}
}
g_match_info_free (match_info);
g_regex_unref (r);
return (*out_facilities != MM_MODEM_3GPP_FACILITY_NONE);
}
/*************************************************************************/
gboolean
mm_3gpp_parse_clck_write_response (const gchar *reply,
gboolean *enabled)
{
GRegex *r;
GMatchInfo *match_info;
gboolean success = FALSE;
g_return_val_if_fail (reply != NULL, FALSE);
g_return_val_if_fail (enabled != NULL, FALSE);
reply = mm_strip_tag (reply, "+CLCK:");
r = g_regex_new ("\\s*([01])\\s*", 0, 0, NULL);
g_assert (r != NULL);
if (g_regex_match (r, reply, 0, &match_info)) {
gchar *str;
str = g_match_info_fetch (match_info, 1);
if (str) {
/* We're trying to match either '0' or '1',
* so we don't expect any other thing */
if (*str == '0')
*enabled = FALSE;
else if (*str == '1')
*enabled = TRUE;
else
g_assert_not_reached ();
g_free (str);
success = TRUE;
}
}
g_match_info_free (match_info);
g_regex_unref (r);
return success;
}
/*************************************************************************/
GStrv
mm_3gpp_parse_cnum_exec_response (const gchar *reply)
{
g_autoptr(GPtrArray) array = NULL;
g_autoptr(GRegex) r = NULL;
g_autoptr(GMatchInfo) match_info = NULL;
/* Empty strings also return NULL list */
if (!reply || !reply[0])
return NULL;
r = g_regex_new ("\\+CNUM:\\s*((\"([^\"]|(\\\"))*\")|([^,]*)),\"(?<num>\\S+)\",\\d",
G_REGEX_UNGREEDY, 0, NULL);
g_assert (r != NULL);
array = g_ptr_array_new ();
g_regex_match (r, reply, 0, &match_info);
while (g_match_info_matches (match_info)) {
g_autofree gchar *number = NULL;
number = g_match_info_fetch_named (match_info, "num");
if (number && number[0])
g_ptr_array_add (array, g_steal_pointer (&number));
g_match_info_next (match_info, NULL);
}
if (!array->len)
return NULL;
g_ptr_array_add (array, NULL);
return (GStrv) g_ptr_array_free (g_steal_pointer (&array), FALSE);
}
/*************************************************************************/
gchar *
mm_3gpp_build_cmer_set_request (MM3gppCmerMode mode,
MM3gppCmerInd ind)
{
guint mode_val;
guint ind_val;
if (mode == MM_3GPP_CMER_MODE_DISCARD_URCS)
return g_strdup ("+CMER=0");
if (mode < MM_3GPP_CMER_MODE_DISCARD_URCS || mode > MM_3GPP_CMER_MODE_FORWARD_URCS)
return NULL;
mode_val = mm_find_bit_set (mode);
if (ind < MM_3GPP_CMER_IND_DISABLE || ind > MM_3GPP_CMER_IND_ENABLE_ALL)
return NULL;
ind_val = mm_find_bit_set (ind);
return g_strdup_printf ("+CMER=%u,0,0,%u", mode_val, ind_val);
}
gboolean
mm_3gpp_parse_cmer_test_response (const gchar *response,
gpointer log_object,
MM3gppCmerMode *out_supported_modes,
MM3gppCmerInd *out_supported_inds,
GError **error)
{
gchar **split;
GError *inner_error = NULL;
GArray *array_supported_modes = NULL;
GArray *array_supported_inds = NULL;
gchar *aux = NULL;
gboolean ret = FALSE;
MM3gppCmerMode supported_modes = 0;
MM3gppCmerInd supported_inds = 0;
guint i;
/*
* AT+CMER=?
* +CMER: 1,0,0,(0-1),0
*
* AT+CMER=?
* +CMER: (0-3),(0),(0),(0-1),(0-1)
*
* AT+CMER=?
* +CMER: (1,2),0,0,(0-1),0
*/
split = mm_split_string_groups (mm_strip_tag (response, "+CMER:"));
if (!split) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't split +CMER test response in groups");
goto out;
}
/* We want 1st and 4th groups */
if (g_strv_length (split) < 4) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Missing groups in +CMER test response (%u < 4)", g_strv_length (split));
goto out;
}
/* Modes in 1st group */
if (!(array_supported_modes = mm_parse_uint_list (split[0], &inner_error)))
goto out;
g_clear_pointer (&aux, g_free);
/* Ind settings in 4th group */
if (!(array_supported_inds = mm_parse_uint_list (split[3], &inner_error)))
goto out;
g_clear_pointer (&aux, g_free);
for (i = 0; i < array_supported_modes->len; i++) {
guint mode_val;
mode_val = g_array_index (array_supported_modes, guint, i);
if (mode_val <= 3)
supported_modes |= (MM3gppCmerMode) (1 << mode_val);
else
mm_obj_dbg (log_object, "unknown +CMER mode reported: %u", mode_val);
}
for (i = 0; i < array_supported_inds->len; i++) {
guint ind_val;
ind_val = g_array_index (array_supported_inds, guint, i);
if (ind_val <= 2)
supported_inds |= (MM3gppCmerInd) (1 << ind_val);
else
mm_obj_dbg (log_object, "unknown +CMER ind reported: %u", ind_val);
}
if (out_supported_modes)
*out_supported_modes = supported_modes;
if (out_supported_inds)
*out_supported_inds = supported_inds;
ret = TRUE;
out:
if (array_supported_modes)
g_array_unref (array_supported_modes);
if (array_supported_inds)
g_array_unref (array_supported_inds);
g_clear_pointer (&aux, g_free);
g_strfreev (split);
if (inner_error)
g_propagate_error (error, inner_error);
return ret;
}
/*************************************************************************/
struct MM3gppCindResponse {
gchar *desc;
guint idx;
gint min;
gint max;
};
static MM3gppCindResponse *
cind_response_new (const gchar *desc, guint idx, gint min, gint max)
{
MM3gppCindResponse *r;
gchar *p;
g_return_val_if_fail (desc != NULL, NULL);
r = g_malloc0 (sizeof (MM3gppCindResponse));
/* Strip quotes */
r->desc = p = g_malloc0 (strlen (desc) + 1);
while (*desc) {
if (*desc != '"' && !isspace (*desc))
*p++ = tolower (*desc);
desc++;
}
r->idx = idx;
r->max = max;
r->min = min;
return r;
}
static void
cind_response_free (MM3gppCindResponse *r)
{
g_return_if_fail (r != NULL);
g_free (r->desc);
memset (r, 0, sizeof (MM3gppCindResponse));
g_free (r);
}
const gchar *
mm_3gpp_cind_response_get_desc (MM3gppCindResponse *r)
{
g_return_val_if_fail (r != NULL, NULL);
return r->desc;
}
guint
mm_3gpp_cind_response_get_index (MM3gppCindResponse *r)
{
g_return_val_if_fail (r != NULL, 0);
return r->idx;
}
gint
mm_3gpp_cind_response_get_min (MM3gppCindResponse *r)
{
g_return_val_if_fail (r != NULL, -1);
return r->min;
}
gint
mm_3gpp_cind_response_get_max (MM3gppCindResponse *r)
{
g_return_val_if_fail (r != NULL, -1);
return r->max;
}
#define CIND_TAG "+CIND:"
GHashTable *
mm_3gpp_parse_cind_test_response (const gchar *reply,
GError **error)
{
GHashTable *hash;
GRegex *r;
GMatchInfo *match_info;
guint idx = 1;
g_return_val_if_fail (reply != NULL, NULL);
/* Strip whitespace and response tag */
if (g_str_has_prefix (reply, CIND_TAG))
reply += strlen (CIND_TAG);
while (isspace (*reply))
reply++;
r = g_regex_new ("\\(([^,]*),\\((\\d+)[-,](\\d+).*\\)", G_REGEX_UNGREEDY, 0, NULL);
if (!r) {
g_set_error_literal (error,
MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse scan results.");
return NULL;
}
hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) cind_response_free);
if (g_regex_match (r, reply, 0, &match_info)) {
while (g_match_info_matches (match_info)) {
MM3gppCindResponse *resp;
gchar *desc, *tmp;
gint min = 0, max = 0;
desc = g_match_info_fetch (match_info, 1);
tmp = g_match_info_fetch (match_info, 2);
min = atoi (tmp);
g_free (tmp);
tmp = g_match_info_fetch (match_info, 3);
max = atoi (tmp);
g_free (tmp);
resp = cind_response_new (desc, idx++, min, max);
if (resp)
g_hash_table_insert (hash, g_strdup (resp->desc), resp);
g_free (desc);
g_match_info_next (match_info, NULL);
}
}
g_match_info_free (match_info);
g_regex_unref (r);
return hash;
}
/*************************************************************************/
GByteArray *
mm_3gpp_parse_cind_read_response (const gchar *reply,
GError **error)
{
GByteArray *array = NULL;
GRegex *r = NULL;
GMatchInfo *match_info;
GError *inner_error = NULL;
guint8 t;
g_return_val_if_fail (reply != NULL, NULL);
if (!g_str_has_prefix (reply, CIND_TAG)) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse the +CIND response '%s': no CIND tag found",
reply);
return NULL;
}
reply = mm_strip_tag (reply, CIND_TAG);
r = g_regex_new ("(\\d+)[^0-9]+", G_REGEX_UNGREEDY, 0, NULL);
g_assert (r != NULL);
if (!g_regex_match (r, reply, 0, &match_info)) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse the +CIND response '%s': didn't match",
reply);
goto done;
}
array = g_byte_array_sized_new (g_match_info_get_match_count (match_info));
/* Add a zero element so callers can use 1-based indexes returned by
* mm_3gpp_cind_response_get_index().
*/
t = 0;
g_byte_array_append (array, &t, 1);
while (!inner_error &&
g_match_info_matches (match_info)) {
gchar *str;
guint val = 0;
str = g_match_info_fetch (match_info, 1);
if (mm_get_uint_from_str (str, &val) && val < 255) {
t = (guint8) val;
g_byte_array_append (array, &t, 1);
} else {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not parse the +CIND response: invalid index '%s'",
str);
}
g_free (str);
g_match_info_next (match_info, NULL);
}
if (inner_error) {
g_propagate_error (error, inner_error);
g_byte_array_unref (array);
array = NULL;
}
done:
g_match_info_free (match_info);
g_regex_unref (r);
return array;
}
/*************************************************************************/
/* +CGEV indication parser
*
* We provide full parsing support, including parameters, for these messages:
* +CGEV: NW DETACH
* +CGEV: ME DETACH
* +CGEV: NW PDN ACT <cid>
* +CGEV: ME PDN ACT <cid>[,<reason>[,<cid_other>]]
* +CGEV: NW ACT <p_cid>, <cid>, <event_type>
* +CGEV: ME ACT <p_cid>, <cid>, <event_type>
* +CGEV: NW DEACT <PDP_type>, <PDP_addr>, [<cid>]
* +CGEV: ME DEACT <PDP_type>, <PDP_addr>, [<cid>]
* +CGEV: NW PDN DEACT <cid>
* +CGEV: ME PDN DEACT <cid>
* +CGEV: NW DEACT <p_cid>, <cid>, <event_type>
* +CGEV: ME DEACT <p_cid>, <cid>, <event_type>
* +CGEV: REJECT <PDP_type>, <PDP_addr>
* +CGEV: NW REACT <PDP_type>, <PDP_addr>, [<cid>]
*
* We don't provide parameter parsing for these messages:
* +CGEV: NW CLASS <class>
* +CGEV: ME CLASS <class>
* +CGEV: NW MODIFY <cid>, <change_reason>, <event_type>
* +CGEV: ME MODIFY <cid>, <change_reason>, <event_type>
*/
static gboolean
deact_secondary (const gchar *str)
{
/* We need to detect the ME/NW DEACT format.
* Either,
* +CGEV: NW DEACT <PDP_type>, <PDP_addr>, [<cid>]
* +CGEV: ME DEACT <PDP_type>, <PDP_addr>, [<cid>]
* or,
* +CGEV: NW DEACT <p_cid>, <cid>, <event_type>
* +CGEV: ME DEACT <p_cid>, <cid>, <event_type>
*/
str = strstr (str, "DEACT") + 5;
while (*str == ' ')
str++;
/* We will look for <p_cid> because we know it's NUMERIC */
return g_ascii_isdigit (*str);
}
MM3gppCgev
mm_3gpp_parse_cgev_indication_action (const gchar *str)
{
str = mm_strip_tag (str, "+CGEV:");
if (g_str_has_prefix (str, "NW DETACH"))
return MM_3GPP_CGEV_NW_DETACH;
if (g_str_has_prefix (str, "ME DETACH"))
return MM_3GPP_CGEV_ME_DETACH;
if (g_str_has_prefix (str, "NW CLASS"))
return MM_3GPP_CGEV_NW_CLASS;
if (g_str_has_prefix (str, "ME CLASS"))
return MM_3GPP_CGEV_ME_CLASS;
if (g_str_has_prefix (str, "NW PDN ACT"))
return MM_3GPP_CGEV_NW_ACT_PRIMARY;
if (g_str_has_prefix (str, "ME PDN ACT"))
return MM_3GPP_CGEV_ME_ACT_PRIMARY;
if (g_str_has_prefix (str, "NW ACT"))
return MM_3GPP_CGEV_NW_ACT_SECONDARY;
if (g_str_has_prefix (str, "ME ACT"))
return MM_3GPP_CGEV_ME_ACT_SECONDARY;
if (g_str_has_prefix (str, "NW DEACT"))
return (deact_secondary (str) ? MM_3GPP_CGEV_NW_DEACT_SECONDARY : MM_3GPP_CGEV_NW_DEACT_PDP);
if (g_str_has_prefix (str, "ME DEACT"))
return (deact_secondary (str) ? MM_3GPP_CGEV_ME_DEACT_SECONDARY : MM_3GPP_CGEV_ME_DEACT_PDP);
if (g_str_has_prefix (str, "NW PDN DEACT"))
return MM_3GPP_CGEV_NW_DEACT_PRIMARY;
if (g_str_has_prefix (str, "ME PDN DEACT"))
return MM_3GPP_CGEV_ME_DEACT_PRIMARY;
if (g_str_has_prefix (str, "NW MODIFY"))
return MM_3GPP_CGEV_NW_MODIFY;
if (g_str_has_prefix (str, "ME MODIFY"))
return MM_3GPP_CGEV_ME_MODIFY;
if (g_str_has_prefix (str, "NW REACT"))
return MM_3GPP_CGEV_NW_REACT;
if (g_str_has_prefix (str, "REJECT"))
return MM_3GPP_CGEV_REJECT;
return MM_3GPP_CGEV_UNKNOWN;
}
/*
* +CGEV: NW DEACT <PDP_type>, <PDP_addr>, [<cid>]
* +CGEV: ME DEACT <PDP_type>, <PDP_addr>, [<cid>]
* +CGEV: REJECT <PDP_type>, <PDP_addr>
* +CGEV: NW REACT <PDP_type>, <PDP_addr>, [<cid>]
*/
gboolean
mm_3gpp_parse_cgev_indication_pdp (const gchar *str,
MM3gppCgev type,
gchar **out_pdp_type,
gchar **out_pdp_addr,
guint *out_cid,
GError **error)
{
GRegex *r;
GMatchInfo *match_info = NULL;
GError *inner_error = NULL;
gchar *pdp_type = NULL;
gchar *pdp_addr = NULL;
guint cid = 0;
g_assert (type == MM_3GPP_CGEV_REJECT ||
type == MM_3GPP_CGEV_NW_REACT ||
type == MM_3GPP_CGEV_NW_DEACT_PDP ||
type == MM_3GPP_CGEV_ME_DEACT_PDP);
r = g_regex_new ("(?:"
"REJECT|"
"NW REACT|"
"NW DEACT|ME DEACT"
")\\s*([^,]*),\\s*([^,]*)(?:,\\s*([0-9]+))?", 0, 0, NULL);
str = mm_strip_tag (str, "+CGEV:");
g_regex_match_full (r, str, strlen (str), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't match response");
goto out;
}
if (out_pdp_type && !(pdp_type = mm_get_string_unquoted_from_match_info (match_info, 1))) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing PDP type");
goto out;
}
if (out_pdp_addr && !(pdp_addr = mm_get_string_unquoted_from_match_info (match_info, 2))) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing PDP addr");
goto out;
}
/* CID is optional */
if (out_cid &&
(g_match_info_get_match_count (match_info) >= 4) &&
!mm_get_uint_from_match_info (match_info, 3, &cid)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing CID");
goto out;
}
out:
if (match_info)
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_free (pdp_type);
g_free (pdp_addr);
g_propagate_error (error, inner_error);
return FALSE;
}
if (out_pdp_type)
*out_pdp_type = pdp_type;
if (out_pdp_addr)
*out_pdp_addr = pdp_addr;
if (out_cid)
*out_cid = cid;
return TRUE;
}
/*
* +CGEV: NW PDN ACT <cid>
* +CGEV: ME PDN ACT <cid>[,<reason>[,<cid_other>]]
* +CGEV: NW PDN DEACT <cid>
* +CGEV: ME PDN DEACT <cid>
*
* NOTE: the special case of a "ME PDN ACT" notification with the additional
* <reason> and <cid_other> fields is telling us that <cid> was NOT connected
* but <cid_other> was connected instead, which may happen when trying to
* connect a IPv4v6 context but the modem ended up connecting a IPv4-only or
* IPv6-only context instead. We are right now ignoring this, and assuming the
* <cid> that we requested is the one reported as connected.
*/
gboolean
mm_3gpp_parse_cgev_indication_primary (const gchar *str,
MM3gppCgev type,
guint *out_cid,
GError **error)
{
GRegex *r;
GMatchInfo *match_info = NULL;
GError *inner_error = NULL;
guint cid = 0;
g_assert ((type == MM_3GPP_CGEV_NW_ACT_PRIMARY) ||
(type == MM_3GPP_CGEV_ME_ACT_PRIMARY) ||
(type == MM_3GPP_CGEV_NW_DEACT_PRIMARY) ||
(type == MM_3GPP_CGEV_ME_DEACT_PRIMARY));
r = g_regex_new ("(?:"
"NW PDN ACT|ME PDN ACT|"
"NW PDN DEACT|ME PDN DEACT|"
")\\s*([0-9]+)", 0, 0, NULL);
str = mm_strip_tag (str, "+CGEV:");
g_regex_match_full (r, str, strlen (str), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't match response");
goto out;
}
if (out_cid && !mm_get_uint_from_match_info (match_info, 1, &cid)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing CID");
goto out;
}
out:
if (match_info)
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
if (out_cid)
*out_cid = cid;
return TRUE;
}
/*
* +CGEV: NW ACT <p_cid>, <cid>, <event_type>
* +CGEV: ME ACT <p_cid>, <cid>, <event_type>
* +CGEV: NW DEACT <p_cid>, <cid>, <event_type>
* +CGEV: ME DEACT <p_cid>, <cid>, <event_type>
*/
gboolean
mm_3gpp_parse_cgev_indication_secondary (const gchar *str,
MM3gppCgev type,
guint *out_p_cid,
guint *out_cid,
guint *out_event_type,
GError **error)
{
GRegex *r;
GMatchInfo *match_info = NULL;
GError *inner_error = NULL;
guint p_cid = 0;
guint cid = 0;
guint event_type = 0;
g_assert (type == MM_3GPP_CGEV_NW_ACT_SECONDARY ||
type == MM_3GPP_CGEV_ME_ACT_SECONDARY ||
type == MM_3GPP_CGEV_NW_DEACT_SECONDARY ||
type == MM_3GPP_CGEV_ME_DEACT_SECONDARY);
r = g_regex_new ("(?:"
"NW ACT|ME ACT|"
"NW DEACT|ME DEACT"
")\\s*([0-9]+),\\s*([0-9]+),\\s*([0-9]+)", 0, 0, NULL);
str = mm_strip_tag (str, "+CGEV:");
g_regex_match_full (r, str, strlen (str), 0, 0, &match_info, &inner_error);
if (inner_error)
goto out;
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Couldn't match response");
goto out;
}
if (out_p_cid && !mm_get_uint_from_match_info (match_info, 1, &p_cid)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing primary CID");
goto out;
}
if (out_cid && !mm_get_uint_from_match_info (match_info, 2, &cid)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing secondary CID");
goto out;
}
if (out_event_type && !mm_get_uint_from_match_info (match_info, 3, &event_type)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED, "Error parsing event type");
goto out;
}
out:
if (match_info)
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
return FALSE;
}
if (out_p_cid)
*out_p_cid = p_cid;
if (out_cid)
*out_cid = cid;
if (out_event_type)
*out_event_type = event_type;
return TRUE;
}
/*************************************************************************/
void
mm_3gpp_pdu_info_free (MM3gppPduInfo *info)
{
g_free (info->pdu);
g_free (info);
}
void
mm_3gpp_pdu_info_list_free (GList *info_list)
{
g_list_free_full (info_list, (GDestroyNotify)mm_3gpp_pdu_info_free);
}
GList *
mm_3gpp_parse_pdu_cmgl_response (const gchar *str,
GError **error)
{
GError *inner_error = NULL;
GList *list = NULL;
GMatchInfo *match_info;
GRegex *r;
/*
* +CMGL: <index>, <status>, [<alpha>], <length>
* or
* +CMGL: <index>, <status>, <length>
*
* We just read <index>, <stat> and the PDU itself.
*/
r = g_regex_new ("\\+CMGL:\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,(.*)\\r\\n([^\\r\\n]*)(\\r\\n)?",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, NULL);
g_assert (r != NULL);
g_regex_match_full (r, str, strlen (str), 0, 0, &match_info, &inner_error);
while (!inner_error && g_match_info_matches (match_info)) {
MM3gppPduInfo *info;
info = g_new0 (MM3gppPduInfo, 1);
if (mm_get_int_from_match_info (match_info, 1, &info->index) &&
mm_get_int_from_match_info (match_info, 2, &info->status) &&
(info->pdu = mm_get_string_unquoted_from_match_info (match_info, 4)) != NULL) {
/* Append to our list of results and keep on */
list = g_list_append (list, info);
g_match_info_next (match_info, &inner_error);
} else {
mm_3gpp_pdu_info_free (info);
inner_error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Error parsing +CMGL response: '%s'",
str);
}
}
g_match_info_free (match_info);
g_regex_unref (r);
if (inner_error) {
g_propagate_error (error, inner_error);
mm_3gpp_pdu_info_list_free (list);
return NULL;
}
return list;
}
/*************************************************************************/
/* Map two letter facility codes into flag values. There are
* many more facilities defined (for various flavors of call
* barring); we only map the ones we care about. */
typedef struct {
MMModem3gppFacility facility;
const gchar *acronym;
} FacilityAcronym;
static const FacilityAcronym facility_acronyms[] = {
{ MM_MODEM_3GPP_FACILITY_SIM, "SC" },
{ MM_MODEM_3GPP_FACILITY_PH_SIM, "PS" },
{ MM_MODEM_3GPP_FACILITY_PH_FSIM, "PF" },
{ MM_MODEM_3GPP_FACILITY_FIXED_DIALING, "FD" },
{ MM_MODEM_3GPP_FACILITY_NET_PERS, "PN" },
{ MM_MODEM_3GPP_FACILITY_NET_SUB_PERS, "PU" },
{ MM_MODEM_3GPP_FACILITY_PROVIDER_PERS, "PP" },
{ MM_MODEM_3GPP_FACILITY_CORP_PERS, "PC" }
};
MMModem3gppFacility
mm_3gpp_acronym_to_facility (const gchar *str)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (facility_acronyms); i++) {
if (g_str_equal (facility_acronyms[i].acronym, str))
return facility_acronyms[i].facility;
}
return MM_MODEM_3GPP_FACILITY_NONE;
}
const gchar *
mm_3gpp_facility_to_acronym (MMModem3gppFacility facility)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (facility_acronyms); i++) {
if (facility_acronyms[i].facility == facility)
return facility_acronyms[i].acronym;
}
return NULL;
}
/*************************************************************************/
MMModemAccessTechnology
mm_string_to_access_tech (const gchar *string)
{
MMModemAccessTechnology act = MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN;
gsize len;
g_return_val_if_fail (string != NULL, MM_MODEM_ACCESS_TECHNOLOGY_UNKNOWN);
/* We're returning a MASK of technologies found; so we can include more
* than one technology in the result */
if (strcasestr (string, "LTE") || strcasestr (string, "4G"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_LTE;
if (strcasestr (string, "HSPA+"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_HSPA_PLUS;
else if (strcasestr (string, "HSPA"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_HSPA;
if (strcasestr (string, "HSUPA"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_HSUPA;
if (strcasestr (string, "HSDPA"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_HSDPA;
if (strcasestr (string, "UMTS") ||
strcasestr (string, "3G") ||
strcasestr (string, "WCDMA"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_UMTS;
if (strcasestr (string, "EDGE"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_EDGE;
if (strcasestr (string, "GPRS"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_GPRS;
if (strcasestr (string, "GSM"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_GSM;
if (strcasestr (string, "EvDO Rel0"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_EVDO0;
if (strcasestr (string, "EvDO RelA"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_EVDOA;
if (strcasestr (string, "EvDO RelB"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_EVDOB;
if (strcasestr (string, "1xRTT") || strcasestr (string, "CDMA2000 1X"))
act |= MM_MODEM_ACCESS_TECHNOLOGY_1XRTT;
/* Check "EVDO" and "CDMA" as standalone strings since their characters
* are included in other strings too.
*/
len = strlen (string);
if (strncmp (string, "EVDO", 4) && (len >= 4 && !isalnum (string[4])))
act |= MM_MODEM_ACCESS_TECHNOLOGY_EVDO0;
if (strncmp (string, "CDMA", 4) && (len >= 4 && !isalnum (string[4])))
act |= MM_MODEM_ACCESS_TECHNOLOGY_1XRTT;
if (strncmp (string, "CDMA-EVDO", 9) && (len >= 9 && !isalnum (string[9])))
act |= MM_MODEM_ACCESS_TECHNOLOGY_1XRTT | MM_MODEM_ACCESS_TECHNOLOGY_EVDO0;
return act;
}
/*************************************************************************/
void
mm_3gpp_normalize_operator (gchar **operator,
MMModemCharset cur_charset,
gpointer log_object)
{
g_autofree gchar *normalized = NULL;
g_assert (operator);
if (*operator == NULL)
return;
/* Despite +CSCS? may claim supporting UCS2, Some modems (e.g. Huawei)
* always report the operator name in ASCII in a +COPS response. */
if (cur_charset != MM_MODEM_CHARSET_UNKNOWN) {
g_autoptr(GError) error = NULL;
normalized = mm_modem_charset_str_to_utf8 (*operator, -1, cur_charset, TRUE, &error);
if (normalized)
goto out;
mm_obj_dbg (log_object, "couldn't convert operator string '%s' from charset '%s': %s",
*operator,
mm_modem_charset_to_string (cur_charset),
error->message);
}
/* Charset is unknown or there was an error in conversion; try to see
* if the contents we got are valid UTF-8 already. */
if (g_utf8_validate (*operator, -1, NULL))
normalized = g_strdup (*operator);
out:
/* Some modems (Novatel LTE) return the operator name as "Unknown" when
* it fails to obtain the operator name. Return NULL in such case.
*/
if (!normalized || g_ascii_strcasecmp (normalized, "unknown") == 0) {
/* If normalization failed, just cleanup the string */
g_clear_pointer (operator, g_free);
return;
}
mm_obj_dbg (log_object, "operator normalized '%s'->'%s'", *operator, normalized);
g_clear_pointer (operator, g_free);
*operator = g_steal_pointer (&normalized);
}
/*************************************************************************/
const gchar *
mm_3gpp_get_pdp_type_from_ip_family (MMBearerIpFamily family)
{
switch (family) {
case MM_BEARER_IP_FAMILY_IPV4:
return "IP";
case MM_BEARER_IP_FAMILY_IPV6:
return "IPV6";
case MM_BEARER_IP_FAMILY_IPV4V6:
return "IPV4V6";
case MM_BEARER_IP_FAMILY_NONE:
case MM_BEARER_IP_FAMILY_ANY:
default:
return NULL;
}
}
MMBearerIpFamily
mm_3gpp_get_ip_family_from_pdp_type (const gchar *pdp_type)
{
if (!pdp_type)
return MM_BEARER_IP_FAMILY_NONE;
if (g_str_equal (pdp_type, "IP"))
return MM_BEARER_IP_FAMILY_IPV4;
if (g_str_equal (pdp_type, "IPV4"))
return MM_BEARER_IP_FAMILY_IPV4;
if (g_str_equal (pdp_type, "IPV6"))
return MM_BEARER_IP_FAMILY_IPV6;
if (g_str_equal (pdp_type, "IPV4V6"))
return MM_BEARER_IP_FAMILY_IPV4V6;
return MM_BEARER_IP_FAMILY_NONE;
}
gboolean
mm_3gpp_normalize_ip_family (MMBearerIpFamily *family)
{
/* if nothing specific requested, default to IPv4 */
if (*family == MM_BEARER_IP_FAMILY_NONE || *family == MM_BEARER_IP_FAMILY_ANY) {
*family = MM_BEARER_IP_FAMILY_IPV4;
return TRUE;
}
/* no need to normalize */
return FALSE;
}
/*************************************************************************/
/* ICCID validation */
/*
* 89: telecom (2 digits)
* cc: country (2 digits)
* oo: operator (2 digits)
* aaaaaaaaaaaaa: operator-specific account number (13 digits)
* x: checksum (1 digit)
*/
char *
mm_3gpp_parse_iccid (const char *raw_iccid, GError **error)
{
gboolean swap;
char *buf, *swapped = NULL;
gsize len = 0;
int i;
g_return_val_if_fail (raw_iccid != NULL, NULL);
/* Skip spaces and quotes */
while (raw_iccid && *raw_iccid && (isspace (*raw_iccid) || *raw_iccid == '"'))
raw_iccid++;
/* Make sure the buffer is only digits or 'F' */
buf = g_strdup (raw_iccid);
for (len = 0; buf[len]; len++) {
/* Digit values allowed anywhere */
if (g_ascii_isdigit (buf[len]))
continue;
/* There are operators (e.g. the Chinese CMCC operator) that abuse the
* fact that 4 bits are used to store the BCD encoded numbers, and also
* use the [A-F] range as valid characters for the ICCID. Explicitly
* allow this range in the operator-specific part. */
if (len >= 6 && g_ascii_isxdigit (buf[len])) {
/* canonicalize hex digit */
buf[len] = g_ascii_toupper (buf[len]);
continue;
}
if (buf[len] == '\"') {
buf[len] = 0;
break;
}
/* Invalid character */
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"ICCID response contained invalid character '%c' at index '%zu'",
buf[len], len);
goto error;
}
/* ICCIDs are 19 or 20 digits long */
if (len < 19 || len > 20) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Invalid ICCID response size (was %zd, expected 19 or 20)",
len);
goto error;
}
/* The leading two digits of an ICCID is the major industry identifier and
* should be '89' for telecommunication purposes according to ISO/IEC 7812.
*/
if (buf[0] == '8' && buf[1] == '9') {
swap = FALSE;
} else if (buf[0] == '9' && buf[1] == '8') {
/* swapped digits are only expected in raw +CRSM responses, which must all
* be 20-bytes long */
if (len != 20) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Invalid ICCID response size while swap needed (expected 20)");
goto error;
}
swap = TRUE;
} else {
/* FIXME: Instead of erroring out, revisit this solution if we find any SIM
* that doesn't use '89' as the major industry identifier of the ICCID.
*/
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Invalid ICCID response (leading two digits are not 89)");
goto error;
}
if (swap) {
/* Swap digits in the ICCID response to get the actual ICCID, each
* group of 2 digits is reversed.
*
* 21436587 -> 12345678
*/
g_assert (len == 20);
swapped = g_malloc0 (21);
for (i = 0; i < 10; i++) {
swapped[i * 2] = buf[(i * 2) + 1];
swapped[(i * 2) + 1] = buf[i * 2];
}
} else
swapped = g_strdup (buf);
/* Zero out the F for 19 digit ICCIDs */
if (swapped[len - 1] == 'F')
swapped[len - 1] = 0;
g_free (buf);
return swapped;
error:
g_free (buf);
g_free (swapped);
return NULL;
}
/*************************************************************************/
gboolean
mm_3gpp_parse_operator_id (const gchar *operator_id,
guint16 *mcc,
guint16 *mnc,
gboolean *three_digit_mnc,
GError **error)
{
guint len;
guint i;
gchar aux[4];
guint16 tmp;
g_assert (operator_id != NULL);
len = strlen (operator_id);
if (len != 5 && len != 6) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Operator ID must have 5 or 6 digits");
return FALSE;
}
for (i = 0; i < len; i++) {
if (!g_ascii_isdigit (operator_id[i])) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Operator ID must only contain digits");
return FALSE;
}
}
memcpy (&aux[0], operator_id, 3);
aux[3] = '\0';
tmp = atoi (aux);
if (tmp == 0) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"MCC must not be zero");
return FALSE;
}
if (mcc)
*mcc = tmp;
if (mnc) {
if (len == 5) {
memcpy (&aux[0], &operator_id[3], 2);
aux[2] = '\0';
} else
memcpy (&aux[0], &operator_id[3], 3);
*mnc = atoi (aux);
}
if (three_digit_mnc)
*three_digit_mnc = len == 6;
return TRUE;
}
/*************************************************************************/
/* Emergency numbers (+CRSM output) */
GStrv
mm_3gpp_parse_emergency_numbers (const char *raw, GError **error)
{
gsize rawlen;
guint8 *bin;
gsize binlen;
gsize max_items;
GPtrArray *out;
guint i;
/* The emergency call code is of a variable length with a maximum length of
* 6 digits. Each emergency call code is coded on three bytes, with each
* digit within the code being coded on four bits. If a code of less that 6
* digits is chosen, then the unused nibbles shall be set to 'F'. */
rawlen = strlen (raw);
if (!rawlen) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"empty emergency numbers list");
return NULL;
}
if (rawlen % 6 != 0) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"invalid raw emergency numbers list length: %" G_GSIZE_FORMAT, rawlen);
return NULL;
}
bin = mm_utils_hexstr2bin (raw, -1, &binlen, error);
if (!bin) {
g_prefix_error (error, "invalid raw emergency numbers list contents: ");
return NULL;
}
max_items = binlen / 3;
out = g_ptr_array_sized_new (max_items + 1);
for (i = 0; i < max_items; i++) {
gchar *number;
number = mm_bcd_to_string (&bin[i*3], 3, TRUE /* low_nybble_first */);
if (number && number[0])
g_ptr_array_add (out, number);
else
g_free (number);
}
g_free (bin);
if (!out->len) {
g_ptr_array_unref (out);
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
"uninitialized emergency numbers list");
return NULL;
}
g_ptr_array_add (out, NULL);
return (GStrv) g_ptr_array_free (out, FALSE);
}
/*************************************************************************/
gboolean
mm_cdma_parse_spservice_read_response (const gchar *reply,
MMModemCdmaRegistrationState *out_cdma_1x_state,
MMModemCdmaRegistrationState *out_evdo_state)
{
const gchar *p;
g_return_val_if_fail (reply != NULL, FALSE);
g_return_val_if_fail (out_cdma_1x_state != NULL, FALSE);
g_return_val_if_fail (out_evdo_state != NULL, FALSE);
p = mm_strip_tag (reply, "+SPSERVICE:");
if (!isdigit (*p))
return FALSE;
switch (atoi (p)) {
case 0: /* no service */
*out_cdma_1x_state = MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN;
*out_evdo_state = MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN;
break;
case 1: /* 1xRTT */
*out_cdma_1x_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
*out_evdo_state = MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN;
break;
case 2: /* EVDO rev 0 */
case 3: /* EVDO rev A */
*out_cdma_1x_state = MM_MODEM_CDMA_REGISTRATION_STATE_UNKNOWN;
*out_evdo_state = MM_MODEM_CDMA_REGISTRATION_STATE_REGISTERED;
break;
default:
return FALSE;
}
return TRUE;
}
/*************************************************************************/
typedef struct {
gint num;
gboolean roam_ind;
const gchar *banner;
} EriItem;
/* NOTE: these may be Sprint-specific for now... */
static const EriItem eris[] = {
{ 0, TRUE, "Digital or Analog Roaming" },
{ 1, FALSE, "Home" },
{ 2, TRUE, "Digital or Analog Roaming" },
{ 3, TRUE, "Out of neighborhood" },
{ 4, TRUE, "Out of building" },
{ 5, TRUE, "Preferred system" },
{ 6, TRUE, "Available System" },
{ 7, TRUE, "Alliance Partner" },
{ 8, TRUE, "Premium Partner" },
{ 9, TRUE, "Full Service Functionality" },
{ 10, TRUE, "Partial Service Functionality" },
{ 64, TRUE, "Preferred system" },
{ 65, TRUE, "Available System" },
{ 66, TRUE, "Alliance Partner" },
{ 67, TRUE, "Premium Partner" },
{ 68, TRUE, "Full Service Functionality" },
{ 69, TRUE, "Partial Service Functionality" },
{ 70, TRUE, "Analog A" },
{ 71, TRUE, "Analog B" },
{ 72, TRUE, "CDMA 800 A" },
{ 73, TRUE, "CDMA 800 B" },
{ 74, TRUE, "International Roaming" },
{ 75, TRUE, "Extended Network" },
{ 76, FALSE, "Campus" },
{ 77, FALSE, "In Building" },
{ 78, TRUE, "Regional" },
{ 79, TRUE, "Community" },
{ 80, TRUE, "Business" },
{ 81, TRUE, "Zone 1" },
{ 82, TRUE, "Zone 2" },
{ 83, TRUE, "National" },
{ 84, TRUE, "Local" },
{ 85, TRUE, "City" },
{ 86, TRUE, "Government" },
{ 87, TRUE, "USA" },
{ 88, TRUE, "State" },
{ 89, TRUE, "Resort" },
{ 90, TRUE, "Headquarters" },
{ 91, TRUE, "Personal" },
{ 92, FALSE, "Home" },
{ 93, TRUE, "Residential" },
{ 94, TRUE, "University" },
{ 95, TRUE, "College" },
{ 96, TRUE, "Hotel Guest" },
{ 97, TRUE, "Rental" },
{ 98, FALSE, "Corporate" },
{ 99, FALSE, "Home Provider" },
{ 100, FALSE, "Campus" },
{ 101, FALSE, "In Building" },
{ 102, TRUE, "Regional" },
{ 103, TRUE, "Community" },
{ 104, TRUE, "Business" },
{ 105, TRUE, "Zone 1" },
{ 106, TRUE, "Zone 2" },
{ 107, TRUE, "National" },
{ 108, TRUE, "Local" },
{ 109, TRUE, "City" },
{ 110, TRUE, "Government" },
{ 111, TRUE, "USA" },
{ 112, TRUE, "State" },
{ 113, TRUE, "Resort" },
{ 114, TRUE, "Headquarters" },
{ 115, TRUE, "Personal" },
{ 116, FALSE, "Home" },
{ 117, TRUE, "Residential" },
{ 118, TRUE, "University" },
{ 119, TRUE, "College" },
{ 120, TRUE, "Hotel Guest" },
{ 121, TRUE, "Rental" },
{ 122, FALSE, "Corporate" },
{ 123, FALSE, "Home Provider" },
{ 124, TRUE, "International" },
{ 125, TRUE, "International" },
{ 126, TRUE, "International" },
{ 127, FALSE, "Premium Service" },
{ 128, FALSE, "Enhanced Service" },
{ 129, FALSE, "Enhanced Digital" },
{ 130, FALSE, "Enhanced Roaming" },
{ 131, FALSE, "Alliance Service" },
{ 132, FALSE, "Alliance Network" },
{ 133, FALSE, "Data Roaming" }, /* Sprint: Vision Roaming */
{ 134, FALSE, "Extended Service" },
{ 135, FALSE, "Expanded Services" },
{ 136, FALSE, "Expanded Network" },
{ 137, TRUE, "Premium Service" },
{ 138, TRUE, "Enhanced Service" },
{ 139, TRUE, "Enhanced Digital" },
{ 140, TRUE, "Enhanced Roaming" },
{ 141, TRUE, "Alliance Service" },
{ 142, TRUE, "Alliance Network" },
{ 143, TRUE, "Data Roaming" }, /* Sprint: Vision Roaming */
{ 144, TRUE, "Extended Service" },
{ 145, TRUE, "Expanded Services" },
{ 146, TRUE, "Expanded Network" },
{ 147, TRUE, "Premium Service" },
{ 148, TRUE, "Enhanced Service" },
{ 149, TRUE, "Enhanced Digital" },
{ 150, TRUE, "Enhanced Roaming" },
{ 151, TRUE, "Alliance Service" },
{ 152, TRUE, "Alliance Network" },
{ 153, TRUE, "Data Roaming" }, /* Sprint: Vision Roaming */
{ 154, TRUE, "Extended Service" },
{ 155, TRUE, "Expanded Services" },
{ 156, TRUE, "Expanded Network" },
{ 157, TRUE, "Premium International" },
{ 158, TRUE, "Premium International" },
{ 159, TRUE, "Premium International" },
{ 160, TRUE, NULL },
{ 161, TRUE, NULL },
{ 162, FALSE, NULL },
{ 163, FALSE, NULL },
{ 164, FALSE, "Extended Voice/Data Network" },
{ 165, FALSE, "Extended Voice/Data Network" },
{ 166, TRUE, "Extended Voice/Data Network" },
{ 167, FALSE, "Extended Broadband" },
{ 168, FALSE, "Extended Broadband" },
{ 169, TRUE, "Extended Broadband" },
{ 170, FALSE, "Extended Data" },
{ 171, FALSE, "Extended Data" },
{ 172, TRUE, "Extended Data" },
{ 173, FALSE, "Extended Data Network" },
{ 174, FALSE, "Extended Data Network" },
{ 175, TRUE, "Extended Data Network" },
{ 176, FALSE, "Extended Network" },
{ 177, FALSE, "Extended Network" },
{ 178, TRUE, "Extended Network" },
{ 179, FALSE, "Extended Service" },
{ 180, TRUE, "Extended Service" },
{ 181, FALSE, "Extended Voice" },
{ 182, FALSE, "Extended Voice" },
{ 183, TRUE, "Extended Voice" },
{ 184, FALSE, "Extended Voice/Data" },
{ 185, FALSE, "Extended Voice/Data" },
{ 186, TRUE, "Extended Voice/Data" },
{ 187, FALSE, "Extended Voice Network" },
{ 188, FALSE, "Extended Voice Network" },
{ 189, TRUE, "Extended Voice Network" },
{ 190, FALSE, "Extended Voice/Data" },
{ 191, FALSE, "Extended Voice/Data" },
{ 192, TRUE, "Extended Voice/Data" },
{ 193, TRUE, "International" },
{ 194, FALSE, "International Services" },
{ 195, FALSE, "International Voice" },
{ 196, FALSE, "International Voice/Data" },
{ 197, FALSE, "International Voice/Data" },
{ 198, TRUE, "International Voice/Data" },
{ 199, FALSE, "Extended Voice/Data Network" },
{ 200, TRUE, "Extended Voice/Data Network" },
{ 201, TRUE, "Extended Voice/Data Network" },
{ 202, FALSE, "Extended Broadband" },
{ 203, TRUE, "Extended Broadband" },
{ 204, TRUE, "Extended Broadband" },
{ 205, FALSE, "Extended Data" },
{ 206, TRUE, "Extended Data" },
{ 207, TRUE, "Extended Data" },
{ 208, FALSE, "Extended Data Network" },
{ 209, TRUE, "Extended Data Network" },
{ 210, TRUE, "Extended Data Network" },
{ 211, FALSE, "Extended Network" },
{ 212, TRUE, "Extended Network" },
{ 213, FALSE, "Extended Service" },
{ 214, TRUE, "Extended Service" },
{ 215, TRUE, "Extended Service" },
{ 216, FALSE, "Extended Voice" },
{ 217, TRUE, "Extended Voice" },
{ 218, TRUE, "Extended Voice" },
{ 219, FALSE, "Extended Voice/Data" },
{ 220, TRUE, "Extended Voice/Data" },
{ 221, TRUE, "Extended Voice/Data" },
{ 222, FALSE, "Extended Voice Network" },
{ 223, FALSE, "Extended Voice Network" },
{ 224, TRUE, "Extended Voice Network" },
{ 225, FALSE, "Extended Voice/Data" },
{ 226, TRUE, "Extended Voice/Data" },
{ 227, TRUE, "Extended Voice/Data" },
{ 228, TRUE, "International" },
{ 229, TRUE, "International" },
{ 230, TRUE, "International Services" },
{ 231, TRUE, "International Voice" },
{ 232, FALSE, "International Voice/Data" },
{ 233, TRUE, "International Voice/Data" },
{ 234, TRUE, "International Voice/Data" },
{ 235, TRUE, "Premium International" },
{ 236, TRUE, NULL },
{ 237, TRUE, NULL },
{ 238, FALSE, NULL },
{ 239, FALSE, NULL },
{ -1, FALSE, NULL },
};
gboolean
mm_cdma_parse_eri (const gchar *reply,
gboolean *out_roaming,
guint *out_ind,
const gchar **out_desc)
{
guint ind;
const EriItem *iter = &eris[0];
gboolean found = FALSE;
g_return_val_if_fail (reply != NULL, FALSE);
g_return_val_if_fail (out_roaming != NULL, FALSE);
if (mm_get_uint_from_str (reply, &ind)) {
if (out_ind)
*out_ind = ind;
while (iter->num != -1) {
if ((guint)iter->num == ind) {
*out_roaming = iter->roam_ind;
if (out_desc)
*out_desc = iter->banner;
found = TRUE;
break;
}
iter++;
}
}
return found;
}
/*************************************************************************/
gboolean
mm_cdma_parse_crm_test_response (const gchar *reply,
MMModemCdmaRmProtocol *min,
MMModemCdmaRmProtocol *max,
GError **error)
{
gboolean result = FALSE;
GRegex *r;
GMatchInfo *match_info = NULL;
GError *match_error = NULL;
/* Expected reply format is:
* ---> AT+CRM=?
* <--- +CRM: (0-2)
*/
r = g_regex_new ("\\+CRM:\\s*\\((\\d+)-(\\d+)\\)",
G_REGEX_DOLLAR_ENDONLY | G_REGEX_RAW,
0, error);
g_assert (r != NULL);
if (g_regex_match_full (r, reply, strlen (reply), 0, 0, &match_info, &match_error)) {
gchar *aux;
guint min_val = 0;
guint max_val = 0;
aux = g_match_info_fetch (match_info, 1);
min_val = (guint) atoi (aux);
g_free (aux);
aux = g_match_info_fetch (match_info, 2);
max_val = (guint) atoi (aux);
g_free (aux);
if (min_val == 0 ||
max_val == 0 ||
min_val >= max_val) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse CRM range: "
"Unexpected range of RM protocols (%u,%u)",
min_val,
max_val);
} else {
*min = mm_cdma_get_rm_protocol_from_index (min_val, error);
if (*min != MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN) {
*max = mm_cdma_get_rm_protocol_from_index (max_val, error);
if (*max != MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN)
result = TRUE;
}
}
} else if (match_error) {
g_propagate_error (error, match_error);
} else {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse CRM range: response didn't match (%s)",
reply);
}
g_match_info_free (match_info);
g_regex_unref (r);
return result;
}
/*************************************************************************/
MMModemCdmaRmProtocol
mm_cdma_get_rm_protocol_from_index (guint index,
GError **error)
{
guint protocol;
/* just adding 1 from the index value should give us the enum */
protocol = index + 1 ;
if (protocol > MM_MODEM_CDMA_RM_PROTOCOL_STU_III) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Unexpected RM protocol index (%u)",
index);
protocol = MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN;
}
return (MMModemCdmaRmProtocol)protocol;
}
guint
mm_cdma_get_index_from_rm_protocol (MMModemCdmaRmProtocol protocol,
GError **error)
{
if (protocol == MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Unexpected RM protocol (%s)",
mm_modem_cdma_rm_protocol_get_string (protocol));
return 0;
}
/* just subtracting 1 from the enum value should give us the index */
return (protocol - 1);
}
/*************************************************************************/
gint
mm_cdma_normalize_class (const gchar *orig_class)
{
gchar class;
g_return_val_if_fail (orig_class != NULL, '0');
class = toupper (orig_class[0]);
/* Cellular (850MHz) */
if (class == '1' || class == 'C')
return 1;
/* PCS (1900MHz) */
if (class == '2' || class == 'P')
return 2;
/* Unknown/not registered */
return 0;
}
/*************************************************************************/
gchar
mm_cdma_normalize_band (const gchar *long_band,
gint *out_class)
{
gchar band;
g_return_val_if_fail (long_band != NULL, 'Z');
/* There are two response formats for the band; one includes the band
* class and the other doesn't. For modems that include the band class
* (ex Novatel S720) you'll see "Px" or "Cx" depending on whether the modem
* is registered on a PCS/1900 (P) or Cellular/850 (C) system.
*/
band = toupper (long_band[0]);
/* Possible band class in first position; return it */
if (band == 'C' || band == 'P') {
gchar tmp[2] = { band, '\0' };
*out_class = mm_cdma_normalize_class (tmp);
band = toupper (long_band[1]);
}
/* normalize to A - F, and Z */
if (band >= 'A' && band <= 'F')
return band;
/* Unknown/not registered */
return 'Z';
}
/*************************************************************************/
/* Caller must strip any "+GSN:" or "+CGSN" from @gsn */
gboolean
mm_parse_gsn (const char *gsn,
gchar **out_imei,
gchar **out_meid,
gchar **out_esn)
{
gchar **items, **iter;
gchar *meid = NULL, *esn = NULL, *imei = NULL, *p;
gboolean success = FALSE;
if (!gsn || !gsn[0])
return FALSE;
/* IMEI is 15 numeric digits */
/* ESNs take one of two formats:
* (1) 7 or 8 hexadecimal digits
* (2) 10 or 11 decimal digits
*
* In addition, leading zeros may be present or absent, and hexadecimal
* ESNs may or may not be prefixed with "0x".
*/
/* MEIDs take one of two formats:
* (1) 14 hexadecimal digits, sometimes padded to 16 digits with leading zeros
* (2) 18 decimal digits
*
* As with ESNs, leading zeros may be present or absent, and hexadecimal
* MEIDs may or may not be prefixed with "0x".
*/
items = g_strsplit_set (gsn, "\r\n\t: ,", 0);
for (iter = items; iter && *iter && (!esn || !meid); iter++) {
gboolean expect_hex = FALSE, is_hex, is_digit;
gchar *s = *iter;
guint len = 0;
if (!s[0])
continue;
if (g_str_has_prefix (s, "0x") || g_str_has_prefix (s, "0X")) {
expect_hex = TRUE;
s += 2;
/* Skip any leading zeros */
while (*s == '0')
s++;
}
/* Check whether all digits are hex or decimal */
is_hex = is_digit = TRUE;
p = s;
while (*p && (is_hex || is_digit)) {
if (!g_ascii_isxdigit (*p))
is_hex = FALSE;
if (!g_ascii_isdigit (*p))
is_digit = FALSE;
p++, len++;
}
/* Note that some hex strings are also valid digit strings */
if (is_hex) {
if (len == 7 || len == 8) {
/* ESN */
if (!esn) {
if (len == 7)
esn = g_strdup_printf ("0%s", s);
else
esn = g_strdup (s);
}
} else if (len == 14) {
/* MEID */
if (!meid)
meid = g_strdup (s);
}
}
if (is_digit) {
if (!is_hex)
g_warn_if_fail (expect_hex == FALSE);
if (len == 15) {
if (!imei)
imei = g_strdup (s);
}
/* Decimal ESN/MEID unhandled for now; conversion from decimal to
* hex isn't a straight dec->hex conversion, as the first 2 digits
* of the ESN and first 3 digits of the MEID are the manufacturer
* identifier and must be converted separately from serial number
* and then concatenated with it.
*/
}
}
g_strfreev (items);
success = meid || esn || imei;
if (out_imei)
*out_imei = imei;
else
g_free (imei);
if (out_meid)
*out_meid = meid;
else
g_free (meid);
if (out_esn)
*out_esn = esn;
else
g_free (esn);
return success;
}
/*****************************************************************************/
/* +CCLK response parser */
gboolean
mm_parse_cclk_response (const char *response,
gchar **iso8601p,
MMNetworkTimezone **tzp,
GError **error)
{
GRegex *r;
GMatchInfo *match_info = NULL;
GError *match_error = NULL;
guint year = 0, month = 0, day = 0, hour = 0, minute = 0, second = 0;
gint tz = 0;
gboolean ret = FALSE;
g_assert (iso8601p || tzp); /* at least one */
/* Sample replies:
* +CCLK: "15/03/05,14:14:26-32"
* +CCLK: 17/07/26,11:42:15+01
*/
r = g_regex_new ("\\+CCLK:\\s*\"?(\\d+)/(\\d+)/(\\d+),(\\d+):(\\d+):(\\d+)([-+]\\d+)?\"?", 0, 0, NULL);
g_assert (r != NULL);
if (!g_regex_match_full (r, response, -1, 0, 0, &match_info, &match_error)) {
if (match_error) {
g_propagate_error (error, match_error);
g_prefix_error (error, "Could not parse +CCLK results: ");
} else {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't match +CCLK reply: %s", response);
}
goto out;
}
/* Remember that g_match_info_get_match_count() includes match #0 */
g_assert (g_match_info_get_match_count (match_info) >= 7);
/* Parse mandatory date and time fields */
if (!mm_get_uint_from_match_info (match_info, 1, &year) ||
!mm_get_uint_from_match_info (match_info, 2, &month) ||
!mm_get_uint_from_match_info (match_info, 3, &day) ||
!mm_get_uint_from_match_info (match_info, 4, &hour) ||
!mm_get_uint_from_match_info (match_info, 5, &minute) ||
!mm_get_uint_from_match_info (match_info, 6, &second)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse +CCLK reply: %s", response);
goto out;
}
/* Read optional time zone offset; if not given assume UTC (tz = 0).
* Note that timezone offset is given in 15 minute intervals.
*/
if ((g_match_info_get_match_count (match_info) >= 8) &&
(!mm_get_int_from_match_info (match_info, 7, &tz))) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse timezone in +CCLK reply: %s", response);
goto out;
}
/* Adjust year to support YYYY format, as per +CSDF in 3GPP TS 27.007. Also,
* don't assume the reported date is actually the current real one, as some
* devices report an initial date of e.g. January 1st 1980. */
if (year < 100) {
if (year >= 70)
year += 1900;
else
year += 2000;
}
if (tzp) {
*tzp = mm_network_timezone_new ();
mm_network_timezone_set_offset (*tzp, tz * 15);
}
if (iso8601p) {
/* Return ISO-8601 format date/time string */
*iso8601p = mm_new_iso8601_time (year, month, day, hour,
minute, second,
TRUE, (tz * 15));
}
ret = TRUE;
out:
g_match_info_free (match_info);
g_regex_unref (r);
return ret;
}
/*****************************************************************************/
/* +CSIM response parser */
#define MM_MIN_SIM_RETRY_HEX 0x63C0
#define MM_MAX_SIM_RETRY_HEX 0x63CF
gint
mm_parse_csim_response (const gchar *response,
GError **error)
{
GMatchInfo *match_info = NULL;
GRegex *r = NULL;
gchar *str_code = NULL;
gint retries = -1;
guint hex_code;
GError *inner_error = NULL;
r = g_regex_new ("\\+CSIM:\\s*[0-9]+,\\s*\".*([0-9a-fA-F]{4})\"", G_REGEX_RAW, 0, NULL);
g_regex_match (r, response, 0, &match_info);
if (!g_match_info_matches (match_info)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not recognize +CSIM response '%s'", response);
goto out;
}
str_code = mm_get_string_unquoted_from_match_info (match_info, 1);
if (str_code == NULL) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not find expected string code in response '%s'", response);
goto out;
}
if (!mm_get_uint_from_hex_str (str_code, &hex_code)) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Could not recognize expected hex code in response '%s'", response);
goto out;
}
switch (hex_code) {
case 0x6300:
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"SIM verification failed");
goto out;
case 0x6983:
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"SIM authentication method blocked");
goto out;
case 0x6984:
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"SIM reference data invalidated");
goto out;
case 0x6A86:
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Incorrect parameters in SIM request");
goto out;
case 0x6A88:
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"SIM reference data not found");
goto out;
default:
break;
}
if (hex_code < MM_MIN_SIM_RETRY_HEX || hex_code > MM_MAX_SIM_RETRY_HEX) {
inner_error = g_error_new (MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Unknown error returned '0x%04x'", hex_code);
goto out;
}
retries = (gint)(hex_code - MM_MIN_SIM_RETRY_HEX);
out:
g_regex_unref (r);
g_match_info_free (match_info);
g_free (str_code);
if (inner_error) {
g_propagate_error (error, inner_error);
return -1;
}
g_assert (retries >= 0);
return retries;
}
/*****************************************************************************/
gboolean
mm_parse_supl_address (const gchar *supl,
gchar **out_fqdn,
guint32 *out_ip,
guint16 *out_port,
GError **error)
{
gboolean valid = FALSE;
gchar **split;
guint port;
guint32 ip;
split = g_strsplit (supl, ":", -1);
if (g_strv_length (split) != 2) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"Invalid SUPL address format: expected FQDN:PORT or IP:PORT");
goto out;
}
if (!mm_get_uint_from_str (split[1], &port)) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"Invalid SUPL port number specified: not a number: %s", split[1]);
goto out;
}
if (port == 0 || port > G_MAXUINT16) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"Invalid SUPL port number specified: out of range: %u", port);
goto out;
}
/* Port is valid */
if (out_port)
*out_port = (guint16) port;
/* Try to parse first item as IP */
if (inet_pton (AF_INET, split[0], &ip) <= 0) {
/* Otherwise, assume it's a domain name */
if (out_fqdn)
*out_fqdn = g_strdup (split[0]);
if (out_ip)
*out_ip = 0;
} else {
if (out_ip)
*out_ip = ip;
if (out_fqdn)
*out_fqdn = NULL;
}
valid = TRUE;
out:
g_strfreev (split);
return valid;
}
/*****************************************************************************/
gboolean
mm_sim_parse_cpol_query_response (const gchar *response,
guint *out_index,
gchar **out_operator_code,
gboolean *out_gsm_act,
gboolean *out_gsm_compact_act,
gboolean *out_utran_act,
gboolean *out_eutran_act,
gboolean *out_ngran_act,
guint *out_act_count,
GError **error)
{
g_autoptr(GMatchInfo) match_info = NULL;
g_autoptr(GRegex) r = NULL;
g_autofree gchar *operator_code = NULL;
guint format = 0;
guint act = 0;
guint match_count;
r = g_regex_new ("\\+CPOL:\\s*(\\d+),\\s*(\\d+),\\s*\"?(\\d+)\"?"
"(?:,\\s*(\\d+))?" /* GSM_AcTn */
"(?:,\\s*(\\d+))?" /* GSM_Compact_AcTn */
"(?:,\\s*(\\d+))?" /* UTRAN_AcTn */
"(?:,\\s*(\\d+))?" /* E-UTRAN_AcTn */
"(?:,\\s*(\\d+))?", /* NG-RAN_AcTn */
G_REGEX_RAW, 0, NULL);
g_regex_match (r, response, 0, &match_info);
if (!g_match_info_matches (match_info)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse +CPOL reply: %s", response);
return FALSE;
}
match_count = g_match_info_get_match_count (match_info);
/* Remember that g_match_info_get_match_count() includes match #0 */
g_assert (match_count >= 4);
if (!mm_get_uint_from_match_info (match_info, 2, &format) ||
!(operator_code = mm_get_string_unquoted_from_match_info (match_info, 3))) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse +CPOL reply parameters: %s", response);
return FALSE;
}
if (format != 2) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"+CPOL reply not using numeric operator code: %s", response);
return FALSE;
}
if (out_index)
if (!mm_get_uint_from_match_info (match_info, 1, out_index)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse +CPOL index: %s", response);
return FALSE;
}
if (out_operator_code)
*out_operator_code = g_steal_pointer (&operator_code);
if (out_gsm_act)
*out_gsm_act = match_count >= 5 &&
mm_get_uint_from_match_info (match_info, 4, &act) &&
act != 0;
if (out_gsm_compact_act)
*out_gsm_compact_act = match_count >= 6 &&
mm_get_uint_from_match_info (match_info, 5, &act) &&
act != 0;
if (out_utran_act)
*out_utran_act = match_count >= 7 &&
mm_get_uint_from_match_info (match_info, 6, &act) &&
act != 0;
if (out_eutran_act)
*out_eutran_act = match_count >= 8 &&
mm_get_uint_from_match_info (match_info, 7, &act) &&
act != 0;
if (out_ngran_act)
*out_ngran_act = match_count >= 9 &&
mm_get_uint_from_match_info (match_info, 8, &act) &&
act != 0;
/* number of access technologies (0...5) in modem response */
if (out_act_count)
*out_act_count = match_count - 4;
return TRUE;
}
gboolean
mm_sim_parse_cpol_test_response (const gchar *response,
guint *out_min_index,
guint *out_max_index,
GError **error)
{
g_autoptr(GMatchInfo) match_info = NULL;
g_autoptr(GRegex) r = NULL;
guint match_count;
guint min_index;
guint max_index;
r = g_regex_new ("\\+CPOL:\\s*\\((\\d+)\\s*-\\s*(\\d+)\\)",
G_REGEX_RAW, 0, NULL);
g_regex_match (r, response, 0, &match_info);
if (!g_match_info_matches (match_info)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse +CPOL=? reply: %s", response);
return FALSE;
}
match_count = g_match_info_get_match_count (match_info);
/* Remember that g_match_info_get_match_count() includes match #0 */
g_assert (match_count >= 3);
if (!mm_get_uint_from_match_info (match_info, 1, &min_index) ||
!mm_get_uint_from_match_info (match_info, 2, &max_index)) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't parse indices in +CPOL=? reply: %s", response);
return FALSE;
}
if (out_min_index)
*out_min_index = min_index;
if (out_max_index)
*out_max_index = max_index;
return TRUE;
}
#define EID_BYTE_LENGTH 16
gchar *
mm_decode_eid (const gchar *eid, gsize eid_len)
{
if (eid_len != EID_BYTE_LENGTH)
return NULL;
return mm_bcd_to_string ((const guint8 *) eid, eid_len, FALSE /* low_nybble_first */);
}