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 void decode_udh(const unsigned char *data)
 162 {
 163         const unsigned char *end;
 164         unsigned int type, len;
 165
 166         len = *(data++);
 167         end = data + 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
 190 static void decode_7bit_field(char *name, const unsigned char *data, int data_len, bool udh)
 191 {
 192         const unsigned char *udh_start;
 193         char *dest;
 194         int pos_offset = 0;
 195
 196         if (udh) {
 197                 int len = data[0] + 1;
 198
 199                 udh_start = data;
 200                 data += len;
 201                 data_len -= len;
 202                 pos_offset = len % 7;
 203         }
 204
 205         dest = blobmsg_alloc_string_buffer(&status, name, 3 * (data_len * 8 / 7) + 2);
 206         pdu_decode_7bit_str(dest, data, data_len, pos_offset);
 207         blobmsg_add_string_buffer(&status);
 208
 209         if (udh)
 210                 decode_udh(udh_start);
 211 }
 212
 213 static char *pdu_add_semioctet(char *str, char val)
 214 {
 215         *str = '0' + (val & 0xf);
 216         if (*str <= '9')
 217                 str++;
 218
 219         *str = '0' + ((val >> 4) & 0xf);
 220         if (*str <= '9')
 221                 str++;
 222
 223         return str;
 224 }
 225
 226 static void
 227 pdu_decode_address(char *str, unsigned char *data, int len)
 228 {
 229         unsigned char toa;
 230
 231         toa = *(data++);
 232         switch (toa & 0x70) {
 233         case 0x50:
 234                 pdu_decode_7bit_str(str, data, len, 0);
 235                 return;
 236         case 0x10:
 237                 *(str++) = '+';
 238                 /* fall through */
 239         default:
 240                 while (len--) {
 241                         str = pdu_add_semioctet(str, *data);
 242                         data++;
 243                 }
 244         }
 245
 246         *str = 0;
 247 }
 248
 249 static void wms_decode_address(char *name, unsigned char *data, int len)
 250 {
 251         char *str = blobmsg_alloc_string_buffer(&status, name, len * 2 + 2);
 252         pdu_decode_address(str, data, len);
 253         blobmsg_add_string_buffer(&status);
 254 }
 255
 256 static void cmd_wms_get_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 257 {
 258         struct qmi_wms_raw_read_response res;
 259         unsigned char *data, *end;
 260         char *str;
 261         int cur_len;
 262         bool sent;
 263         unsigned char first, dcs;
 264         void *c;
 265
 266         qmi_parse_wms_raw_read_response(msg, &res);
 267         c = blobmsg_open_table(&status, NULL);
 268         data = (unsigned char *) res.data.raw_message_data.raw_data;
 269         end = data + res.data.raw_message_data.raw_data_n;
 270
 271         cur_len = *(data++);
 272         if (data + cur_len >= end)
 273                 goto error;
 274
 275         if (cur_len) {
 276                 wms_decode_address("smsc", data, cur_len - 1);
 277                 data += cur_len;
 278         }
 279
 280         if (data + 3 >= end)
 281                 goto error;
 282
 283         first = *(data++);
 284         sent = (first & 0x3) == 1;
 285         if (sent)
 286                 data++;
 287
 288         cur_len = *(data++);
 289         if (data + cur_len >= end)
 290                 goto error;
 291
 292         if (cur_len) {
 293                 cur_len = (cur_len + 1) / 2;
 294                 wms_decode_address(sent ? "receiver" : "sender", data, cur_len);
 295                 data += cur_len + 1;
 296         }
 297
 298         if (data + 3 >= end)
 299                 goto error;
 300
 301         /* Protocol ID */
 302         if (*(data++) != 0)
 303                 goto error;
 304
 305         /* Data Encoding */
 306         dcs = *(data++);
 307
 308         /* only 7-bit encoding supported for now */
 309         if (dcs & 0x0c)
 310                 goto error;
 311
 312         if (dcs & 0x10)
 313                 blobmsg_add_u32(&status, "class", (dcs & 3));
 314
 315         if (sent) {
 316                 /* Message validity */
 317                 data++;
 318         } else {
 319                 if (data + 6 >= end)
 320                         goto error;
 321
 322                 str = blobmsg_alloc_string_buffer(&status, "timestamp", 32);
 323
 324                 /* year */
 325                 *(str++) = '2';
 326                 *(str++) = '0';
 327                 str = pdu_add_semioctet(str, data[0]);
 328                 /* month */
 329                 *(str++) = '-';
 330                 str = pdu_add_semioctet(str, data[1]);
 331                 /* day */
 332                 *(str++) = '-';
 333                 str = pdu_add_semioctet(str, data[2]);
 334
 335                 /* hour */
 336                 *(str++) = ' ';
 337                 str = pdu_add_semioctet(str, data[3]);
 338                 /* minute */
 339                 *(str++) = ':';
 340                 str = pdu_add_semioctet(str, data[4]);
 341                 /* second */
 342                 *(str++) = ':';
 343                 str = pdu_add_semioctet(str, data[5]);
 344                 *str = 0;
 345
 346                 blobmsg_add_string_buffer(&status);
 347
 348                 data += 7;
 349         }
 350
 351         cur_len = *(data++);
 352         decode_7bit_field("text", data, end - data, !!(first & 0x40));
 353         blobmsg_close_table(&status, c);
 354
 355         return;
 356
 357 error:
 358         blobmsg_close_table(&status, c);
 359         fprintf(stderr, "There was an error reading message.\n");
 360 }
 361
 362 static enum qmi_cmd_result
 363 cmd_wms_get_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 364 {
 365         static struct qmi_wms_raw_read_request mreq = {
 366                 QMI_INIT_SEQUENCE(message_memory_storage_id,
 367                         .storage_type = QMI_WMS_STORAGE_TYPE_UIM,
 368                 ),
 369                 QMI_INIT(message_mode, QMI_WMS_MESSAGE_MODE_GSM_WCDMA),
 370         };
 371         char *err;
 372         int id;
 373
 374         id = strtoul(arg, &err, 10);
 375         if (err && *err) {
 376                 uqmi_add_error("Invalid message ID");
 377                 return QMI_CMD_EXIT;
 378         }
 379
 380         mreq.data.message_memory_storage_id.memory_index = id;
 381         qmi_set_wms_raw_read_request(msg, &mreq);
 382
 383         return QMI_CMD_REQUEST;
 384 }
 385
 386
 387 static void cmd_wms_get_raw_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
 388 {
 389         struct qmi_wms_raw_read_response res;
 390         unsigned char *data;
 391         char *str;
 392         int i;
 393
 394         qmi_parse_wms_raw_read_response(msg, &res);
 395         data = (unsigned char *) res.data.raw_message_data.raw_data;
 396         str = blobmsg_alloc_string_buffer(&status, NULL, res.data.raw_message_data.raw_data_n * 3);
 397         for (i = 0; i < res.data.raw_message_data.raw_data_n; i++) {
 398                 str += sprintf(str, &" %02x"[i ? 0 : 1], data[i]);
 399         }
 400         blobmsg_add_string_buffer(&status);
 401 }
 402
 403 #define cmd_wms_get_raw_message_prepare cmd_wms_get_message_prepare
 404
 405
 406 static struct {
 407         const char *smsc;
 408         const char *target;
 409         bool flash;
 410 } _send;
 411
 412
 413 #define cmd_wms_send_message_smsc_cb no_cb
 414 static enum qmi_cmd_result
 415 cmd_wms_send_message_smsc_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 416 {
 417         _send.smsc = arg;
 418         return QMI_CMD_DONE;
 419 }
 420
 421 #define cmd_wms_send_message_target_cb no_cb
 422 static enum qmi_cmd_result
 423 cmd_wms_send_message_target_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 424 {
 425         _send.target = arg;
 426         return QMI_CMD_DONE;
 427 }
 428
 429 #define cmd_wms_send_message_flash_cb no_cb
 430 static enum qmi_cmd_result
 431 cmd_wms_send_message_flash_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 432 {
 433         _send.flash = true;
 434         return QMI_CMD_DONE;
 435 }
 436
 437 static int
 438 pdu_encode_semioctet(unsigned char *dest, const char *str)
 439 {
 440         int len = 0;
 441         bool lower = true;
 442
 443         while (*str) {
 444                 char digit = *str - '0';
 445
 446                 if (lower)
 447                         dest[len] = 0xf0 | digit;
 448                 else
 449                         dest[len++] &= (digit << 4) | 0xf;
 450
 451                 lower = !lower;
 452                 str++;
 453         }
 454
 455         return len;
 456 }
 457
 458 static int
 459 pdu_encode_7bit_str(unsigned char *data, const char *str)
 460 {
 461         unsigned char c;
 462         int len = 0;
 463         int ofs = 0;
 464
 465         while(1) {
 466                 c = *(str++) & 0x7f;
 467                 if (!c)
 468                         break;
 469
 470                 switch(ofs) {
 471                 case 0:
 472                         data[len] = c;
 473                         break;
 474                 default:
 475                         data[len++] |= c << (8 - ofs);
 476                         data[len] = c >> ofs;
 477                         break;
 478                 }
 479
 480                 ofs = (ofs + 1) % 8;
 481         }
 482
 483         return len + 1;
 484 }
 485
 486 static int
 487 pdu_encode_number(unsigned char *dest, const char *str, bool smsc)
 488 {
 489         unsigned char format;
 490         bool ascii = false;
 491         int len = 0;
 492         int i;
 493
 494         dest[len++] = 0;
 495         if (*str == '+') {
 496                 str++;
 497                 format = 0x91;
 498         } else {
 499                 format = 0x81;
 500         }
 501
 502         for (i = 0; str[i]; i++) {
 503                 if (str[i] >= '0' || str[i] <= '9')
 504                         continue;
 505
 506                 ascii = true;
 507                 break;
 508         }
 509
 510         if (ascii)
 511                 format |= 0x40;
 512
 513         dest[len++] = format;
 514         if (!ascii)
 515                 len += pdu_encode_semioctet(&dest[len], str);
 516         else
 517                 len += pdu_encode_7bit_str(&dest[len], str);
 518
 519         if (smsc)
 520                 dest[0] = len - 1;
 521         else
 522                 dest[0] = strlen(str);
 523
 524         return len;
 525 }
 526
 527 static int
 528 pdu_encode_data(unsigned char *dest, const char *str)
 529 {
 530         int len = 0;
 531
 532         dest[len++] = 0;
 533         len += pdu_encode_7bit_str(&dest[len], str);
 534         dest[0] = len - 1;
 535
 536         return len;
 537 }
 538
 539 #define cmd_wms_send_message_cb no_cb
 540 static enum qmi_cmd_result
 541 cmd_wms_send_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
 542 {
 543         static unsigned char buf[512];
 544         static struct qmi_wms_raw_send_request mreq = {
 545                 QMI_INIT_SEQUENCE(raw_message_data,
 546                         .format = QMI_WMS_MESSAGE_FORMAT_GSM_WCDMA_POINT_TO_POINT,
 547                         .raw_data = buf,
 548                 ),
 549         };
 550         unsigned char *cur = buf;
 551         unsigned char first_octet = 0x11;
 552         unsigned char protocol_id = 0x00;
 553         unsigned char dcs = 0x00;
 554
 555         if (!_send.smsc || !*_send.smsc || !_send.target || !*_send.target) {
 556                 uqmi_add_error("Missing argument");
 557                 return QMI_CMD_EXIT;
 558         }
 559
 560         if (strlen(_send.smsc) > 16 || strlen(_send.target) > 16 || strlen(arg) > 160) {
 561                 uqmi_add_error("Argument too long");
 562                 return QMI_CMD_EXIT;
 563         }
 564
 565         if (_send.flash)
 566                 dcs |= 0x10;
 567
 568         cur += pdu_encode_number(cur, _send.smsc, true);
 569         *(cur++) = first_octet;
 570         *(cur++) = 0; /* reference */
 571
 572         cur += pdu_encode_number(cur, _send.target, false);
 573         *(cur++) = protocol_id;
 574         *(cur++) = dcs;
 575
 576         *(cur++) = 0xff; /* validity */
 577         cur += pdu_encode_data(cur, arg);
 578
 579         mreq.data.raw_message_data.raw_data_n = cur - buf;
 580         qmi_set_wms_raw_send_request(msg, &mreq);
 581
 582         return QMI_CMD_REQUEST;
 583 }