commands-wms.c

   1 #include "qmi-message.h"
   2
   3 static void cmd_wms_list_messages_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
   4 {
   5         struct qmi_wms_list_messages_response res;
   6         void *c;
   7         int i;
   8
   9         qmi_parse_wms_list_messages_response(msg, &res);
  10         c = blobmsg_open_array(&status, NULL);
  11         for (i = 0; i < res.data.message_list_n; i++)
  12                 blobmsg_add_u32(&status, NULL, res.data.message_list[i].memory_index);
  13
  14         blobmsg_close_array(&status, c);
  15 }
  16
  17 static enum qmi_cmd_result
  18 cmd_wms_list_messages_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
  19 {
  20         static struct qmi_wms_list_messages_request mreq = {
  21                 QMI_INIT(storage_type, QMI_WMS_STORAGE_TYPE_UIM),
  22                 QMI_INIT(message_tag, QMI_WMS_MESSAGE_TAG_TYPE_MT_NOT_READ),
  23         };
  24
  25         qmi_set_wms_list_messages_request(msg, &mreq);
  26
  27         return QMI_CMD_REQUEST;
  28 }
  29
  30 static int
  31 put_unicode_char(char *dest, uint16_t c)
  32 {
  33         if (c < 0x80) {
  34                 *dest = c;
  35                 return 1;
  36         } else if (c < 0x800) {
  37                 *(dest++) = 0xc0 | ((c >> 6) & 0x1f);
  38                 *dest = 0x80 | (c & 0x3f);
  39                 return 2;
  40         } else {
  41                 *(dest++) = 0xe0 | ((c >> 12) & 0xf);
  42                 *(dest++) = 0x80 | ((c >> 6) & 0x3f);
  43                 *dest = 0x80 | (c & 0x3f);
  44                 return 3;
  45         }
  46 }
  47
  48
  49 static int
  50 pdu_decode_7bit_char(char *dest, int len, unsigned char c, bool *escape)
  51 {
  52         uint16_t conv_0x20[] = {
  53                 0x0040, 0x00A3, 0x0024, 0x00A5, 0x00E8, 0x00E9, 0x00F9, 0x00EC,
  54                 0x00F2, 0x00E7, 0x000A, 0x00D8, 0x00F8, 0x000D, 0x00C5, 0x00E5,
  55                 0x0394, 0x005F, 0x03A6, 0x0393, 0x039B, 0x03A9, 0x03A0, 0x03A8,
  56                 0x03A3, 0x0398, 0x039E, 0x00A0, 0x00C6, 0x00E6, 0x00DF, 0x00C9,
  57         };
  58         uint16_t conv_0x5b[] = {
  59                 0x00C4, 0x00D6, 0x00D1, 0x00DC, 0x00A7, 0x00BF,
  60         };
  61         uint16_t conv_0x7b[] = {
  62                 0x00E4, 0x00F6, 0x00F1, 0x00FC, 0x00E0
  63         };
  64         int cur_len = 0;
  65         uint16_t outc;
  66
  67         fprintf(stderr, " %02x", c);
  68         dest += len;
  69         if (*escape) {
  70                 switch(c) {
  71                 case 0x0A:
  72                         *dest = 0x0C;
  73                         return 1;
  74                 case 0x14:
  75                         *dest = 0x5E;
  76                         return 1;
  77                 case 0x28:
  78                         *dest = 0x7B;
  79                         return 1;
  80                 case 0x29:
  81                         *dest = 0x7D;
  82                         return 1;
  83                 case 0x2F:
  84                         *dest = 0x5C;
  85                         return 1;
  86                 case 0x3C:
  87                         *dest = 0x5B;
  88                         return 1;
  89                 case 0x3D:
  90                         *dest = 0x7E;
  91                         return 1;
  92                 case 0x3E:
  93                         *dest = 0x5D;
  94                         return 1;
  95                 case 0x40:
  96                         *dest = 0x7C;
  97                         return 1;
  98                 case 0x65:
  99                         outc = 0x20AC;
 100                         goto out;
 101                 case 0x1B:
 102                         goto normal;
 103                 default:
 104                         /* invalid */
 105                         *(dest++) = conv_0x20[0x1B];
 106                         cur_len++;
 107                         goto normal;
 108                 }
 109         }
 110
 111         if (c == 0x1b) {
 112                 *escape = true;
 113                 return 0;
 114         }
 115
 116 normal:
 117         if (c < 0x20)
 118                 outc = conv_0x20[(int) c];
 119         else if (c == 0x40)
 120                 outc = 0x00A1;
 121         else if (c >= 0x5b && c <= 0x60)
 122                 outc = conv_0x5b[c - 0x5b];
 123         else if (c >= 0x7b && c <= 0x7f)
 124                 outc = conv_0x7b[c - 0x7b];
 125         else
 126                 outc = c;
 127
 128 out:
 129         return cur_len + put_unicode_char(dest, outc);
 130 }
 131
 132 static int
 133 pdu_decode_7bit_str(char *dest, const unsigned char *data, int data_len, int bit_offset)
 134 {
 135         bool escape = false;
 136         int len = 0;
 137         int i;
 138
 139         fprintf(stderr, "Raw text:");
 140         for (i = 0; i < data_len; i++) {
 141                 int pos = (i + bit_offset) % 7;
 142
 143                 if (pos == 0) {
 144                         len += pdu_decode_7bit_char(dest, len, data[i] & 0x7f, &escape);
 145                 } else {
 146                         if (i)
 147                                 len += pdu_decode_7bit_char(dest, len,
 148                                                             (data[i - 1] >> (7 + 1 - pos)) |
 149                                                             ((data[i] << pos) & 0x7f), &escape);
 150
 151                         if (pos == 6)
 152                                 len += pdu_decode_7bit_char(dest, len, (data[i] >> 1) & 0x7f,
 153                                                             &escape);
 154                 }
 155         }
 156         dest[len] = 0;
 157         fprintf(stderr, "\n");
 158         return len;
 159 }
 160
 161 static int decode_udh(const unsigned char *data)
 162 {
 163         const unsigned char *end;
 164         unsigned int type, len, udh_len;
 165
 166         udh_len = *(data++);
 167         end = data + udh_len;
 168         while (data < end) {
 169                 const unsigned char *val;
 170
 171                 type = data[0];
 172                 len = data[1];
 173                 val = &data[2];
 174                 data += 2 + len;
 175                 if (data > end)
 176                         break;
 177
 178                 switch (type) {
 179                 case 0:
 180                         blobmsg_add_u32(&status, "concat_ref", (uint32_t) val[0]);
 181                         blobmsg_add_u32(&status, "concat_part", (uint32_t) val[2]);
 182                         blobmsg_add_u32(&status, "concat_parts", (uint32_t) val[1]);
 183                         break;
 184                 default:
 185                         break;
 186                 }
 187         }
 188
 189         return udh_len + 1;
 190 }
 191
 192 static void decode_7bit_field(char *name, const unsigned char *data, int data_len, int bit_offset)
 193 {
 194         char *dest = blobmsg_alloc_string_buffer(&status, name, 3 * (data_len * 8 / 7) + 2);
 195         pdu_decode_7bit_str(dest, data, data_len, bit_offset);
 196         blobmsg_add_string_buffer(&status);
 197 }
 198
 199 static char *pdu_add_semioctet(char *str, char val)
 200 {
 201         *str = '0' + (val & 0xf);
 202         if (*str <= '9')
 203                 str++;
 204
 205         *str = '0' + ((val >> 4) & 0xf);
 206         if (*str <= '9')
 207                 str++;
 208
 209         return str;
 210 }
 211
 212 static void
 213 pdu_decode_address(char *str, unsigned char *data, int len)
 214 {
 215         unsigned char toa;
 216
 217         toa = *(data++);
 218         switch (toa & 0x70) {
 219         case 0x50:
 220                 pdu_decode_7bit_str(str, data, len, 0);
 221                 return;
 222         case 0x10:
 223                 *(str++) = '+';
 224                 /* fall through */
 225         default:
 226                 while (len--) {
 227                         str = pdu_add_semioctet(str, *data);
 228                         data++;
 229                 }
 230         }
 231
 232         *str = 0;
 233 }
 234
 235 static void wms_decode_address(char *name, unsigned char *data, int len)
 236 {
 237         char *str = blobmsg_alloc_string_buffer(&status, name, len * 2 + 2);
 238         pdu_decode_address(str, data, len);
 239         blobmsg_add_string_buffer(&status);
 240 }
 241
 242 #define cmd_wms_delete_message_cb no_cb
 243 static enum qmi_cmd_result
 244 cmd_wms_delete_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 245 {
 246         char *err;
 247         int id;
 248
 249         id = strtoul(arg, &err, 10);
 250         if (err && *err) {
 251                 uqmi_add_error("Invalid message ID");
 252                 return QMI_CMD_EXIT;
 253         }
 254
 255         static struct qmi_wms_delete_request mreq = {
 256                 QMI_INIT(memory_storage, QMI_WMS_STORAGE_TYPE_UIM),
 257                 QMI_INIT(message_mode, QMI_WMS_MESSAGE_MODE_GSM_WCDMA),
 258         };
 259
 260         mreq.set.memory_index = 1;
 261         mreq.data.memory_index = id;
 262
 263         qmi_set_wms_delete_request(msg, &mreq);
 264
 265         return QMI_CMD_REQUEST;
 266 }
 267
 268
 269 static void cmd_wms_get_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 270 {
 271         struct qmi_wms_raw_read_response res;
 272         unsigned char *data, *end;
 273         char *str;
 274         int cur_len;
 275         bool sent;
 276         unsigned char first, dcs;
 277         void *c;
 278
 279         qmi_parse_wms_raw_read_response(msg, &res);
 280         c = blobmsg_open_table(&status, NULL);
 281         data = (unsigned char *) res.data.raw_message_data.raw_data;
 282         end = data + res.data.raw_message_data.raw_data_n;
 283
 284         cur_len = *(data++);
 285         if (data + cur_len >= end)
 286                 goto error;
 287
 288         if (cur_len) {
 289                 wms_decode_address("smsc", data, cur_len - 1);
 290                 data += cur_len;
 291         }
 292
 293         if (data + 3 >= end)
 294                 goto error;
 295
 296         first = *(data++);
 297         sent = (first & 0x3) == 1;
 298         if (sent)
 299                 data++;
 300
 301         cur_len = *(data++);
 302         if (data + cur_len >= end)
 303                 goto error;
 304
 305         if (cur_len) {
 306                 cur_len = (cur_len + 1) / 2;
 307                 wms_decode_address(sent ? "receiver" : "sender", data, cur_len);
 308                 data += cur_len + 1;
 309         }
 310
 311         if (data + 3 >= end)
 312                 goto error;
 313
 314         /* Protocol ID */
 315         if (*(data++) != 0)
 316                 goto error;
 317
 318         /* Data Encoding */
 319         dcs = *(data++);
 320
 321         /* only 7-bit encoding supported for now */
 322         if (dcs & 0x0c)
 323                 goto error;
 324
 325         if (dcs & 0x10)
 326                 blobmsg_add_u32(&status, "class", (dcs & 3));
 327
 328         if (sent) {
 329                 /* Message validity */
 330                 data++;
 331         } else {
 332                 if (data + 6 >= end)
 333                         goto error;
 334
 335                 str = blobmsg_alloc_string_buffer(&status, "timestamp", 32);
 336
 337                 /* year */
 338                 *(str++) = '2';
 339                 *(str++) = '0';
 340                 str = pdu_add_semioctet(str, data[0]);
 341                 /* month */
 342                 *(str++) = '-';
 343                 str = pdu_add_semioctet(str, data[1]);
 344                 /* day */
 345                 *(str++) = '-';
 346                 str = pdu_add_semioctet(str, data[2]);
 347
 348                 /* hour */
 349                 *(str++) = ' ';
 350                 str = pdu_add_semioctet(str, data[3]);
 351                 /* minute */
 352                 *(str++) = ':';
 353                 str = pdu_add_semioctet(str, data[4]);
 354                 /* second */
 355                 *(str++) = ':';
 356                 str = pdu_add_semioctet(str, data[5]);
 357                 *str = 0;
 358
 359                 blobmsg_add_string_buffer(&status);
 360
 361                 data += 7;
 362         }
 363
 364         data++;
 365         int bit_offset = 0;
 366
 367         /* User Data Header */
 368         if (first & 0x40) {
 369                 int udh_len = decode_udh(data);
 370                 data += udh_len;
 371                 bit_offset = udh_len % 7;
 372                 }
 373
 374         if (data >= end)
 375                 goto error;
 376
 377         decode_7bit_field("text", data, end - data, bit_offset);
 378         blobmsg_close_table(&status, c);
 379
 380         return;
 381
 382 error:
 383         blobmsg_close_table(&status, c);
 384         fprintf(stderr, "There was an error reading message.\n");
 385 }
 386
 387 static enum qmi_cmd_result
 388 cmd_wms_get_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 389 {
 390         static struct qmi_wms_raw_read_request mreq = {
 391                 QMI_INIT_SEQUENCE(message_memory_storage_id,
 392                         .storage_type = QMI_WMS_STORAGE_TYPE_UIM,
 393                 ),
 394                 QMI_INIT(message_mode, QMI_WMS_MESSAGE_MODE_GSM_WCDMA),
 395         };
 396         char *err;
 397         int id;
 398
 399         id = strtoul(arg, &err, 10);
 400         if (err && *err) {
 401                 uqmi_add_error("Invalid message ID");
 402                 return QMI_CMD_EXIT;
 403         }
 404
 405         mreq.data.message_memory_storage_id.memory_index = id;
 406         qmi_set_wms_raw_read_request(msg, &mreq);
 407
 408         return QMI_CMD_REQUEST;
 409 }
 410
 411
 412 static void cmd_wms_get_raw_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 413 {
 414         struct qmi_wms_raw_read_response res;
 415         unsigned char *data;
 416         char *str;
 417         int i;
 418
 419         qmi_parse_wms_raw_read_response(msg, &res);
 420         data = (unsigned char *) res.data.raw_message_data.raw_data;
 421         str = blobmsg_alloc_string_buffer(&status, NULL, res.data.raw_message_data.raw_data_n * 3);
 422         for (i = 0; i < res.data.raw_message_data.raw_data_n; i++) {
 423                 str += sprintf(str, &" %02x"[i ? 0 : 1], data[i]);
 424         }
 425         blobmsg_add_string_buffer(&status);
 426 }
 427
 428 #define cmd_wms_get_raw_message_prepare cmd_wms_get_message_prepare
 429
 430
 431 static struct {
 432         const char *smsc;
 433         const char *target;
 434         bool flash;
 435 } _send;
 436
 437
 438 #define cmd_wms_send_message_smsc_cb no_cb
 439 static enum qmi_cmd_result
 440 cmd_wms_send_message_smsc_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 441 {
 442         _send.smsc = arg;
 443         return QMI_CMD_DONE;
 444 }
 445
 446 #define cmd_wms_send_message_target_cb no_cb
 447 static enum qmi_cmd_result
 448 cmd_wms_send_message_target_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 449 {
 450         _send.target = arg;
 451         return QMI_CMD_DONE;
 452 }
 453
 454 #define cmd_wms_send_message_flash_cb no_cb
 455 static enum qmi_cmd_result
 456 cmd_wms_send_message_flash_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 457 {
 458         _send.flash = true;
 459         return QMI_CMD_DONE;
 460 }
 461
 462 static int
 463 pdu_encode_semioctet(unsigned char *dest, const char *str)
 464 {
 465         int len = 0;
 466         bool lower = true;
 467
 468         while (*str) {
 469                 char digit = *str - '0';
 470
 471                 if (lower)
 472                         dest[len] = 0xf0 | digit;
 473                 else
 474                         dest[len++] &= (digit << 4) | 0xf;
 475
 476                 lower = !lower;
 477                 str++;
 478         }
 479
 480         return len;
 481 }
 482
 483 static int
 484 pdu_encode_7bit_str(unsigned char *data, const char *str)
 485 {
 486         unsigned char c;
 487         int len = 0;
 488         int ofs = 0;
 489
 490         while(1) {
 491                 c = *(str++) & 0x7f;
 492                 if (!c)
 493                         break;
 494
 495                 switch(ofs) {
 496                 case 0:
 497                         data[len] = c;
 498                         break;
 499                 default:
 500                         data[len++] |= c << (8 - ofs);
 501                         data[len] = c >> ofs;
 502                         break;
 503                 }
 504
 505                 ofs = (ofs + 1) % 8;
 506         }
 507
 508         return len + 1;
 509 }
 510
 511 static int
 512 pdu_encode_number(unsigned char *dest, const char *str, bool smsc)
 513 {
 514         unsigned char format;
 515         bool ascii = false;
 516         int len = 0;
 517         int i;
 518
 519         dest[len++] = 0;
 520         if (*str == '+') {
 521                 str++;
 522                 format = 0x91;
 523         } else {
 524                 format = 0x81;
 525         }
 526
 527         for (i = 0; str[i]; i++) {
 528                 if (str[i] >= '0' || str[i] <= '9')
 529                         continue;
 530
 531                 ascii = true;
 532                 break;
 533         }
 534
 535         if (ascii)
 536                 format |= 0x40;
 537
 538         dest[len++] = format;
 539         if (!ascii)
 540                 len += pdu_encode_semioctet(&dest[len], str);
 541         else
 542                 len += pdu_encode_7bit_str(&dest[len], str);
 543
 544         if (smsc)
 545                 dest[0] = len - 1;
 546         else
 547                 dest[0] = strlen(str);
 548
 549         return len;
 550 }
 551
 552 static int
 553 pdu_encode_data(unsigned char *dest, const char *str)
 554 {
 555         int len = 0;
 556
 557         dest[len++] = 0;
 558         len += pdu_encode_7bit_str(&dest[len], str);
 559         dest[0] = len - 1;
 560
 561         return len;
 562 }
 563
 564 #define cmd_wms_send_message_cb no_cb
 565 static enum qmi_cmd_result
 566 cmd_wms_send_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 567 {
 568         static unsigned char buf[512];
 569         static struct qmi_wms_raw_send_request mreq = {
 570                 QMI_INIT_SEQUENCE(raw_message_data,
 571                         .format = QMI_WMS_MESSAGE_FORMAT_GSM_WCDMA_POINT_TO_POINT,
 572                         .raw_data = buf,
 573                 ),
 574         };
 575         unsigned char *cur = buf;
 576         unsigned char first_octet = 0x11;
 577         unsigned char protocol_id = 0x00;
 578         unsigned char dcs = 0x00;
 579
 580         if (!_send.smsc || !*_send.smsc || !_send.target || !*_send.target) {
 581                 uqmi_add_error("Missing argument");
 582                 return QMI_CMD_EXIT;
 583         }
 584
 585         if (strlen(_send.smsc) > 16 || strlen(_send.target) > 16 || strlen(arg) > 160) {
 586                 uqmi_add_error("Argument too long");
 587                 return QMI_CMD_EXIT;
 588         }
 589
 590         if (_send.flash)
 591                 dcs |= 0x10;
 592
 593         cur += pdu_encode_number(cur, _send.smsc, true);
 594         *(cur++) = first_octet;
 595         *(cur++) = 0; /* reference */
 596
 597         cur += pdu_encode_number(cur, _send.target, false);
 598         *(cur++) = protocol_id;
 599         *(cur++) = dcs;
 600
 601         *(cur++) = 0xff; /* validity */
 602         cur += pdu_encode_data(cur, arg);
 603
 604         mreq.data.raw_message_data.raw_data_n = cur - buf;
 605         qmi_set_wms_raw_send_request(msg, &mreq);
 606
 607         return QMI_CMD_REQUEST;
 608 }