Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 | /*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <glib.h>
#include <gdbus.h>
#include "ofono.h"
#include "common.h"
#include "smsutil.h"
#include "util.h"
#define MAX_USSD_LENGTH 160
static GSList *g_drivers = NULL;
enum ussd_state {
USSD_STATE_IDLE = 0,
USSD_STATE_ACTIVE = 1,
USSD_STATE_USER_ACTION = 2,
USSD_STATE_RESPONSE_SENT,
};
struct ussd_request {
ofono_ussd_request_cb_t cb;
void *user_data;
};
struct ofono_ussd {
int state;
DBusMessage *pending;
DBusMessage *cancel;
int flags;
GSList *ss_control_list;
GSList *ss_passwd_list;
const struct ofono_ussd_driver *driver;
void *driver_data;
struct ofono_atom *atom;
struct ussd_request *req;
};
struct ssc_entry {
char *service;
void *cb;
void *user;
ofono_destroy_func destroy;
};
gboolean __ofono_ussd_is_busy(struct ofono_ussd *ussd)
{
if (ussd == NULL)
return FALSE;
if (ussd->pending || ussd->state != USSD_STATE_IDLE || ussd->req)
return TRUE;
return FALSE;
}
static struct ssc_entry *ssc_entry_create(const char *sc, void *cb, void *data,
ofono_destroy_func destroy)
{
struct ssc_entry *r;
r = g_try_new0(struct ssc_entry, 1);
if (r == NULL)
return r;
r->service = g_strdup(sc);
r->cb = cb;
r->user = data;
r->destroy = destroy;
return r;
}
static void ssc_entry_destroy(gpointer pointer)
{
struct ssc_entry *ca = pointer;
if (ca->destroy)
ca->destroy(ca->user);
g_free(ca->service);
g_free(ca);
}
static gint ssc_entry_find_by_service(gconstpointer a, gconstpointer b)
{
const struct ssc_entry *ca = a;
return strcmp(ca->service, b);
}
gboolean __ofono_ussd_ssc_register(struct ofono_ussd *ussd, const char *sc,
ofono_ussd_ssc_cb_t cb, void *data,
ofono_destroy_func destroy)
{
struct ssc_entry *entry;
if (ussd == NULL)
return FALSE;
entry = ssc_entry_create(sc, cb, data, destroy);
if (entry == NULL)
return FALSE;
ussd->ss_control_list = g_slist_prepend(ussd->ss_control_list, entry);
return TRUE;
}
void __ofono_ussd_ssc_unregister(struct ofono_ussd *ussd, const char *sc)
{
GSList *l;
if (ussd == NULL)
return;
l = g_slist_find_custom(ussd->ss_control_list, sc,
ssc_entry_find_by_service);
if (l == NULL)
return;
ssc_entry_destroy(l->data);
ussd->ss_control_list = g_slist_remove(ussd->ss_control_list, l->data);
}
gboolean __ofono_ussd_passwd_register(struct ofono_ussd *ussd, const char *sc,
ofono_ussd_passwd_cb_t cb, void *data,
ofono_destroy_func destroy)
{
struct ssc_entry *entry;
if (ussd == NULL)
return FALSE;
entry = ssc_entry_create(sc, cb, data, destroy);
if (entry == NULL)
return FALSE;
ussd->ss_passwd_list = g_slist_prepend(ussd->ss_passwd_list, entry);
return TRUE;
}
void __ofono_ussd_passwd_unregister(struct ofono_ussd *ussd, const char *sc)
{
GSList *l;
if (ussd == NULL)
return;
l = g_slist_find_custom(ussd->ss_passwd_list, sc,
ssc_entry_find_by_service);
if (l == NULL)
return;
ssc_entry_destroy(l->data);
ussd->ss_passwd_list = g_slist_remove(ussd->ss_passwd_list, l->data);
}
static gboolean recognized_passwd_change_string(struct ofono_ussd *ussd,
int type, char *sc,
char *sia, char *sib,
char *sic, char *sid,
char *dn, DBusMessage *msg)
{
GSList *l = ussd->ss_passwd_list;
switch (type) {
case SS_CONTROL_TYPE_ACTIVATION:
case SS_CONTROL_TYPE_REGISTRATION:
break;
default:
return FALSE;
}
if (strcmp(sc, "03") || strlen(dn))
return FALSE;
/* If SIC & SID don't match, then we just bail out here */
if (strcmp(sic, sid)) {
DBusConnection *conn = ofono_dbus_get_connection();
DBusMessage *reply = __ofono_error_invalid_format(msg);
g_dbus_send_message(conn, reply);
return TRUE;
}
while ((l = g_slist_find_custom(l, sia,
ssc_entry_find_by_service)) != NULL) {
struct ssc_entry *entry = l->data;
ofono_ussd_passwd_cb_t cb = entry->cb;
if (cb(sia, sib, sic, msg, entry->user))
return TRUE;
l = l->next;
}
return FALSE;
}
static gboolean recognized_control_string(struct ofono_ussd *ussd,
const char *ss_str,
DBusMessage *msg)
{
char *str = g_strdup(ss_str);
char *sc, *sia, *sib, *sic, *sid, *dn;
int type;
gboolean ret = FALSE;
DBG("parsing control string");
if (parse_ss_control_string(str, &type, &sc,
&sia, &sib, &sic, &sid, &dn)) {
GSList *l = ussd->ss_control_list;
DBG("Got parse result: %d, %s, %s, %s, %s, %s, %s",
type, sc, sia, sib, sic, sid, dn);
/*
* A password change string needs to be treated separately
* because it uses a fourth SI and is thus not a valid
* control string.
*/
if (recognized_passwd_change_string(ussd, type, sc,
sia, sib, sic, sid, dn, msg)) {
ret = TRUE;
goto out;
}
if (*sid != '\0')
goto out;
while ((l = g_slist_find_custom(l, sc,
ssc_entry_find_by_service)) != NULL) {
struct ssc_entry *entry = l->data;
ofono_ussd_ssc_cb_t cb = entry->cb;
if (cb(type, sc, sia, sib, sic, dn, msg, entry->user)) {
ret = TRUE;
goto out;
}
l = l->next;
}
}
/* TODO: Handle all strings that control voice calls */
/* TODO: Handle Multiple subscriber profile DN*59#SEND and *59#SEND */
/*
* Note: SIM PIN/PIN2 change and unblock and IMEI presentation
* procedures are not handled by the daemon since they are not followed
* by SEND and are not valid USSD requests.
*/
out:
g_free(str);
return ret;
}
static const char *ussd_get_state_string(struct ofono_ussd *ussd)
{
switch (ussd->state) {
case USSD_STATE_IDLE:
return "idle";
case USSD_STATE_ACTIVE:
case USSD_STATE_RESPONSE_SENT:
return "active";
case USSD_STATE_USER_ACTION:
return "user-response";
}
return "";
}
static void ussd_change_state(struct ofono_ussd *ussd, int state)
{
const char *value;
DBusConnection *conn = ofono_dbus_get_connection();
const char *path = __ofono_atom_get_path(ussd->atom);
if (state == ussd->state)
return;
ussd->state = state;
value = ussd_get_state_string(ussd);
ofono_dbus_signal_property_changed(conn, path,
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE,
"State", DBUS_TYPE_STRING, &value);
}
static void ussd_request_finish(struct ofono_ussd *ussd, int error, int dcs,
const unsigned char *pdu, int len)
{
struct ussd_request *req = ussd->req;
if (req && req->cb)
req->cb(error, dcs, pdu, len, req->user_data);
g_free(req);
ussd->req = NULL;
}
static int ussd_status_to_failure_code(int status)
{
switch (status) {
case OFONO_USSD_STATUS_TIMED_OUT:
return -ETIMEDOUT;
case OFONO_USSD_STATUS_NOT_SUPPORTED:
return -ENOSYS;
}
return 0;
}
static char const *ussd_status_name(int status)
{
switch (status) {
case OFONO_USSD_STATUS_NOTIFY:
return "NOTIFY";
case OFONO_USSD_STATUS_ACTION_REQUIRED:
return "ACTION_REQUIRED";
case OFONO_USSD_STATUS_TERMINATED:
return "TERMINATED";
case OFONO_USSD_STATUS_LOCAL_CLIENT_RESPONDED:
return "LOCAL_CLIENT_RESPONDED";
case OFONO_USSD_STATUS_NOT_SUPPORTED:
return "NOT_SUPPORTED";
case OFONO_USSD_STATUS_TIMED_OUT:
return "TIMED_OUT";
}
return "????";
}
static const char *ussd_state_name(enum ussd_state state)
{
switch (state) {
case USSD_STATE_IDLE:
return "IDLE";
case USSD_STATE_ACTIVE:
return "ACTIVE";
case USSD_STATE_RESPONSE_SENT:
return "RESPONSE_SENT";
case USSD_STATE_USER_ACTION:
return "USER_ACTION";
}
return "????";
}
void ofono_ussd_notify(struct ofono_ussd *ussd, int status, int dcs,
const unsigned char *data, int data_len)
{
DBusConnection *conn = ofono_dbus_get_connection();
const char *ussdstr = "USSD";
char *utf8_str = NULL;
const char *str;
const char sig[] = { DBUS_TYPE_STRING, 0 };
DBusMessage *reply;
DBusMessageIter iter;
DBusMessageIter variant;
DBG("status: %d %s, state: %d %s",
status, ussd_status_name(status),
ussd->state, ussd_state_name(ussd->state));
if (ussd->req &&
(status == OFONO_USSD_STATUS_NOTIFY ||
status == OFONO_USSD_STATUS_TERMINATED ||
status == OFONO_USSD_STATUS_TIMED_OUT ||
status == OFONO_USSD_STATUS_NOT_SUPPORTED)) {
ussd_request_finish(ussd, ussd_status_to_failure_code(status),
dcs, data, data_len);
ussd_change_state(ussd, USSD_STATE_IDLE);
return;
}
if (status == OFONO_USSD_STATUS_TERMINATED) {
ussd_change_state(ussd, USSD_STATE_IDLE);
if (ussd->pending == NULL)
return;
reply = __ofono_error_network_terminated(ussd->pending);
goto out;
}
if (status == OFONO_USSD_STATUS_NOT_SUPPORTED) {
ussd_change_state(ussd, USSD_STATE_IDLE);
if (ussd->pending == NULL)
return;
reply = __ofono_error_not_supported(ussd->pending);
goto out;
}
if (status == OFONO_USSD_STATUS_TIMED_OUT) {
ussd_change_state(ussd, USSD_STATE_IDLE);
if (ussd->pending == NULL)
return;
reply = __ofono_error_timed_out(ussd->pending);
goto out;
}
if (data && data_len > 0)
utf8_str = ussd_decode(dcs, data_len, data);
str = utf8_str;
/* TODO: Rework this in the Agent framework */
if (ussd->state == USSD_STATE_ACTIVE) {
reply = dbus_message_new_method_return(ussd->pending);
if (str == NULL)
str = "";
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING,
&ussdstr);
dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, sig,
&variant);
dbus_message_iter_append_basic(&variant, DBUS_TYPE_STRING,
&str);
dbus_message_iter_close_container(&iter, &variant);
if (status == OFONO_USSD_STATUS_ACTION_REQUIRED)
ussd_change_state(ussd, USSD_STATE_USER_ACTION);
else
ussd_change_state(ussd, USSD_STATE_IDLE);
} else if (ussd->state == USSD_STATE_RESPONSE_SENT) {
reply = dbus_message_new_method_return(ussd->pending);
if (str == NULL)
str = "";
dbus_message_append_args(reply, DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID);
if (status == OFONO_USSD_STATUS_ACTION_REQUIRED)
ussd_change_state(ussd, USSD_STATE_USER_ACTION);
else
ussd_change_state(ussd, USSD_STATE_IDLE);
} else if (ussd->state == USSD_STATE_IDLE) {
const char *signal_name;
const char *path = __ofono_atom_get_path(ussd->atom);
int new_state;
if (status == OFONO_USSD_STATUS_ACTION_REQUIRED) {
new_state = USSD_STATE_USER_ACTION;
signal_name = "RequestReceived";
} else {
new_state = USSD_STATE_IDLE;
signal_name = "NotificationReceived";
}
if (str == NULL)
str = "";
g_dbus_emit_signal(conn, path,
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE, signal_name,
DBUS_TYPE_STRING, &str, DBUS_TYPE_INVALID);
ussd_change_state(ussd, new_state);
goto free;
} else {
ofono_error("Received an unsolicited USSD but can't handle.");
DBG("USSD is: status: %d, %s", status, str);
goto free;
}
out:
g_dbus_send_message(conn, reply);
dbus_message_unref(ussd->pending);
ussd->pending = NULL;
free:
g_free(utf8_str);
}
static void ussd_callback(const struct ofono_error *error, void *data)
{
struct ofono_ussd *ussd = data;
DBusMessage *reply;
if (error->type != OFONO_ERROR_TYPE_NO_ERROR)
DBG("ussd request failed with error: %s",
telephony_error_to_str(error));
if (error->type == OFONO_ERROR_TYPE_NO_ERROR) {
ussd_change_state(ussd, USSD_STATE_ACTIVE);
return;
}
if (ussd->pending == NULL)
return;
reply = __ofono_error_failed(ussd->pending);
__ofono_dbus_pending_reply(&ussd->pending, reply);
}
static DBusMessage *ussd_initiate(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct ofono_ussd *ussd = data;
struct ofono_modem *modem = __ofono_atom_get_modem(ussd->atom);
struct ofono_voicecall *vc;
gboolean call_in_progress;
const char *str;
int dcs = 0x0f;
unsigned char buf[160];
long num_packed;
if (__ofono_ussd_is_busy(ussd))
return __ofono_error_busy(msg);
if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID) == FALSE)
return __ofono_error_invalid_args(msg);
if (strlen(str) == 0)
return __ofono_error_invalid_format(msg);
DBG("checking if this is a recognized control string");
if (recognized_control_string(ussd, str, msg))
return NULL;
vc = __ofono_atom_find(OFONO_ATOM_TYPE_VOICECALL, modem);
if (vc)
call_in_progress = __ofono_voicecall_is_busy(vc,
OFONO_VOICECALL_INTERACTION_NONE);
else
call_in_progress = FALSE;
DBG("No.., checking if this is a USSD string");
if (!valid_ussd_string(str, call_in_progress))
return __ofono_error_not_recognized(msg);
if (!ussd_encode(str, &num_packed, buf))
return __ofono_error_invalid_format(msg);
if (ussd->driver->request == NULL)
return __ofono_error_not_implemented(msg);
DBG("OK, running USSD request");
ussd->pending = dbus_message_ref(msg);
ussd->driver->request(ussd, dcs, buf, num_packed, ussd_callback, ussd);
return NULL;
}
static void ussd_response_callback(const struct ofono_error *error, void *data)
{
struct ofono_ussd *ussd = data;
DBusMessage *reply;
if (error->type != OFONO_ERROR_TYPE_NO_ERROR)
DBG("ussd response failed with error: %s",
telephony_error_to_str(error));
if (error->type == OFONO_ERROR_TYPE_NO_ERROR) {
ussd_change_state(ussd, USSD_STATE_RESPONSE_SENT);
return;
}
if (ussd->pending == NULL)
return;
reply = __ofono_error_failed(ussd->pending);
__ofono_dbus_pending_reply(&ussd->pending, reply);
}
static DBusMessage *ussd_respond(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct ofono_ussd *ussd = data;
const char *str;
int dcs = 0x0f;
unsigned char buf[160];
long num_packed;
if (ussd->pending)
return __ofono_error_busy(msg);
if (ussd->state != USSD_STATE_USER_ACTION)
return __ofono_error_not_active(msg);
if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &str,
DBUS_TYPE_INVALID) == FALSE)
return __ofono_error_invalid_args(msg);
if (strlen(str) == 0)
return __ofono_error_invalid_format(msg);
if (!ussd_encode(str, &num_packed, buf))
return __ofono_error_invalid_format(msg);
if (ussd->driver->request == NULL)
return __ofono_error_not_implemented(msg);
ussd->pending = dbus_message_ref(msg);
ussd->driver->request(ussd, dcs, buf, num_packed,
ussd_response_callback, ussd);
return NULL;
}
static void ussd_cancel_callback(const struct ofono_error *error, void *data)
{
struct ofono_ussd *ussd = data;
DBusMessage *reply;
if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
DBG("ussd cancel failed with error: %s",
telephony_error_to_str(error));
reply = __ofono_error_failed(ussd->cancel);
__ofono_dbus_pending_reply(&ussd->cancel, reply);
return;
}
if (ussd->pending) {
reply = __ofono_error_canceled(ussd->pending);
__ofono_dbus_pending_reply(&ussd->pending, reply);
}
reply = dbus_message_new_method_return(ussd->cancel);
__ofono_dbus_pending_reply(&ussd->cancel, reply);
if (ussd->req)
ussd_request_finish(ussd, -ECANCELED, 0, NULL, 0);
ussd_change_state(ussd, USSD_STATE_IDLE);
}
static DBusMessage *ussd_cancel(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct ofono_ussd *ussd = data;
if (ussd->state == USSD_STATE_IDLE)
return __ofono_error_not_active(msg);
/* We have called Respond() but not returned from its callback yet */
if (ussd->state == USSD_STATE_USER_ACTION && ussd->pending)
return __ofono_error_busy(msg);
if (ussd->cancel)
return __ofono_error_busy(msg);
if (ussd->driver->cancel == NULL)
return __ofono_error_not_implemented(msg);
ussd->cancel = dbus_message_ref(msg);
ussd->driver->cancel(ussd, ussd_cancel_callback, ussd);
return NULL;
}
static DBusMessage *ussd_get_properties(DBusConnection *conn,
DBusMessage *msg, void *data)
{
struct ofono_ussd *ussd = data;
DBusMessage *reply;
DBusMessageIter iter;
DBusMessageIter dict;
const char *value;
reply = dbus_message_new_method_return(msg);
if (reply == NULL)
return NULL;
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
OFONO_PROPERTIES_ARRAY_SIGNATURE,
&dict);
value = ussd_get_state_string(ussd);
ofono_dbus_dict_append(&dict, "State", DBUS_TYPE_STRING, &value);
dbus_message_iter_close_container(&iter, &dict);
return reply;
}
static const GDBusMethodTable ussd_methods[] = {
{ GDBUS_ASYNC_METHOD("Initiate",
GDBUS_ARGS({ "command", "s" }),
GDBUS_ARGS({ "result_name", "s" }, { "value", "v" }),
ussd_initiate) },
{ GDBUS_ASYNC_METHOD("Respond",
GDBUS_ARGS({ "reply", "s" }),
GDBUS_ARGS({ "result", "s" }),
ussd_respond) },
{ GDBUS_ASYNC_METHOD("Cancel", NULL, NULL, ussd_cancel) },
{ GDBUS_METHOD("GetProperties",
NULL, GDBUS_ARGS({ "properties", "a{sv}" }),
ussd_get_properties) },
{ }
};
static const GDBusSignalTable ussd_signals[] = {
{ GDBUS_SIGNAL("NotificationReceived",
GDBUS_ARGS({ "message", "s" })) },
{ GDBUS_SIGNAL("RequestReceived",
GDBUS_ARGS({ "message", "s" })) },
{ GDBUS_SIGNAL("PropertyChanged",
GDBUS_ARGS({ "name", "s" }, { "value", "v" })) },
{ }
};
int ofono_ussd_driver_register(const struct ofono_ussd_driver *d)
{
DBG("driver: %p, name: %s", d, d->name);
if (d->probe == NULL)
return -EINVAL;
g_drivers = g_slist_prepend(g_drivers, (void *) d);
return 0;
}
void ofono_ussd_driver_unregister(const struct ofono_ussd_driver *d)
{
DBG("driver: %p, name: %s", d, d->name);
g_drivers = g_slist_remove(g_drivers, (void *) d);
}
static void ussd_unregister(struct ofono_atom *atom)
{
struct ofono_ussd *ussd = __ofono_atom_get_data(atom);
DBusConnection *conn = ofono_dbus_get_connection();
struct ofono_modem *modem = __ofono_atom_get_modem(atom);
const char *path = __ofono_atom_get_path(atom);
g_slist_free_full(ussd->ss_control_list, ssc_entry_destroy);
ussd->ss_control_list = NULL;
g_slist_free_full(ussd->ss_passwd_list, ssc_entry_destroy);
ussd->ss_passwd_list = NULL;
ofono_modem_remove_interface(modem,
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
g_dbus_unregister_interface(conn, path,
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
}
static void ussd_remove(struct ofono_atom *atom)
{
struct ofono_ussd *ussd = __ofono_atom_get_data(atom);
DBG("atom: %p", atom);
if (ussd == NULL)
return;
if (ussd->driver && ussd->driver->remove)
ussd->driver->remove(ussd);
g_free(ussd);
}
struct ofono_ussd *ofono_ussd_create(struct ofono_modem *modem,
unsigned int vendor,
const char *driver,
void *data)
{
struct ofono_ussd *ussd;
GSList *l;
if (driver == NULL)
return NULL;
ussd = g_try_new0(struct ofono_ussd, 1);
if (ussd == NULL)
return NULL;
ussd->atom = __ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_USSD,
ussd_remove, ussd);
for (l = g_drivers; l; l = l->next) {
const struct ofono_ussd_driver *drv = l->data;
if (g_strcmp0(drv->name, driver))
continue;
if (drv->probe(ussd, vendor, data) < 0)
continue;
ussd->driver = drv;
break;
}
return ussd;
}
void ofono_ussd_register(struct ofono_ussd *ussd)
{
DBusConnection *conn = ofono_dbus_get_connection();
struct ofono_modem *modem = __ofono_atom_get_modem(ussd->atom);
const char *path = __ofono_atom_get_path(ussd->atom);
if (!g_dbus_register_interface(conn, path,
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE,
ussd_methods, ussd_signals, NULL,
ussd, NULL)) {
ofono_error("Could not create %s interface",
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
return;
}
ofono_modem_add_interface(modem,
OFONO_SUPPLEMENTARY_SERVICES_INTERFACE);
__ofono_atom_register(ussd->atom, ussd_unregister);
}
void ofono_ussd_remove(struct ofono_ussd *ussd)
{
__ofono_atom_free(ussd->atom);
}
void ofono_ussd_set_data(struct ofono_ussd *ussd, void *data)
{
ussd->driver_data = data;
}
void *ofono_ussd_get_data(struct ofono_ussd *ussd)
{
return ussd->driver_data;
}
static void ussd_request_callback(const struct ofono_error *error, void *data)
{
struct ofono_ussd *ussd = data;
if (error->type != OFONO_ERROR_TYPE_NO_ERROR)
ussd_request_finish(ussd, -EINVAL, 0, NULL, 0);
else
ussd_change_state(ussd, USSD_STATE_ACTIVE);
}
int __ofono_ussd_initiate(struct ofono_ussd *ussd, int dcs,
const unsigned char *pdu, int len,
ofono_ussd_request_cb_t cb, void *user_data)
{
struct ussd_request *req;
if (ussd->driver->request == NULL)
return -ENOSYS;
if (__ofono_ussd_is_busy(ussd))
return -EBUSY;
req = g_try_new0(struct ussd_request, 1);
if (req == NULL)
return -ENOMEM;
req->cb = cb;
req->user_data = user_data;
ussd->req = req;
ussd->driver->request(ussd, dcs, pdu, len, ussd_request_callback, ussd);
return 0;
}
void __ofono_ussd_initiate_cancel(struct ofono_ussd *ussd)
{
if (ussd->req == NULL || ussd->req->cb == NULL)
return;
ussd->req->cb = NULL;
}
|