2 * uqmi -- tiny QMI support implementation
4 * Copyright (C) 2014-2015 Felix Fietkau <nbd@openwrt.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301 USA.
22 #include "qmi-message.h"
24 #define MIN(a,b) (((a)<(b))?(a):(b))
25 #define CEILDIV(x,y) (((x) + (y) - 1) / (y))
27 static void cmd_wms_list_messages_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
29 struct qmi_wms_list_messages_response res;
33 qmi_parse_wms_list_messages_response(msg, &res);
34 c = blobmsg_open_array(&status, NULL);
35 for (i = 0; i < res.data.message_list_n; i++)
36 blobmsg_add_u32(&status, NULL, res.data.message_list[i].memory_index);
38 blobmsg_close_array(&status, c);
41 static enum qmi_cmd_result
42 cmd_wms_list_messages_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
44 static struct qmi_wms_list_messages_request mreq = {
45 QMI_INIT(storage_type, QMI_WMS_STORAGE_TYPE_UIM),
46 QMI_INIT(message_tag, QMI_WMS_MESSAGE_TAG_TYPE_MT_NOT_READ),
49 qmi_set_wms_list_messages_request(msg, &mreq);
51 return QMI_CMD_REQUEST;
55 put_unicode_char(char *dest, uint16_t c)
60 } else if (c < 0x800) {
61 *(dest++) = 0xc0 | ((c >> 6) & 0x1f);
62 *dest = 0x80 | (c & 0x3f);
65 *(dest++) = 0xe0 | ((c >> 12) & 0xf);
66 *(dest++) = 0x80 | ((c >> 6) & 0x3f);
67 *dest = 0x80 | (c & 0x3f);
74 pdu_decode_7bit_char(char *dest, int len, unsigned char c, bool *escape)
76 uint16_t conv_0x20[] = {
77 0x0040, 0x00A3, 0x0024, 0x00A5, 0x00E8, 0x00E9, 0x00F9, 0x00EC,
78 0x00F2, 0x00E7, 0x000A, 0x00D8, 0x00F8, 0x000D, 0x00C5, 0x00E5,
79 0x0394, 0x005F, 0x03A6, 0x0393, 0x039B, 0x03A9, 0x03A0, 0x03A8,
80 0x03A3, 0x0398, 0x039E, 0x00A0, 0x00C6, 0x00E6, 0x00DF, 0x00C9,
82 uint16_t conv_0x5b[] = {
83 0x00C4, 0x00D6, 0x00D1, 0x00DC, 0x00A7, 0x00BF,
85 uint16_t conv_0x7b[] = {
86 0x00E4, 0x00F6, 0x00F1, 0x00FC, 0x00E0
91 fprintf(stderr, " %02x", c);
130 *(dest++) = conv_0x20[0x1B];
143 outc = conv_0x20[(int) c];
146 else if (c >= 0x5b && c <= 0x60)
147 outc = conv_0x5b[c - 0x5b];
148 else if (c >= 0x7b && c <= 0x7f)
149 outc = conv_0x7b[c - 0x7b];
154 return cur_len + put_unicode_char(dest, outc);
158 pdu_decode_7bit_str(char *dest, const unsigned char *data, int data_len, int bit_offset)
164 fprintf(stderr, "Raw text:");
165 for (i = 0; i < data_len; i++) {
166 int pos = (i + bit_offset) % 7;
169 len += pdu_decode_7bit_char(dest, len, data[i] & 0x7f, &escape);
172 len += pdu_decode_7bit_char(dest, len,
173 (data[i - 1] >> (7 + 1 - pos)) |
174 ((data[i] << pos) & 0x7f), &escape);
177 len += pdu_decode_7bit_char(dest, len, (data[i] >> 1) & 0x7f,
182 fprintf(stderr, "\n");
186 static int decode_udh(const unsigned char *data)
188 const unsigned char *end;
189 unsigned int type, len, udh_len;
192 end = data + udh_len;
194 const unsigned char *val;
205 blobmsg_add_u32(&status, "concat_ref", (uint32_t) val[0]);
206 blobmsg_add_u32(&status, "concat_part", (uint32_t) val[2]);
207 blobmsg_add_u32(&status, "concat_parts", (uint32_t) val[1]);
210 blobmsg_add_u32(&status, "concat_ref", (uint32_t) (val[0] << 8 | val[1]));
211 blobmsg_add_u32(&status, "concat_part", (uint32_t) val[3]);
212 blobmsg_add_u32(&status, "concat_parts", (uint32_t) val[2]);
222 static void decode_7bit_field(char *name, const unsigned char *data, int data_len, int bit_offset)
224 char *dest = blobmsg_alloc_string_buffer(&status, name, 3 * data_len + 2);
225 pdu_decode_7bit_str(dest, data, CEILDIV(data_len * 7, 8), bit_offset);
227 blobmsg_add_string_buffer(&status);
230 static char *pdu_add_semioctet(char *str, char val)
232 *str = '0' + (val & 0xf);
236 *str = '0' + ((val >> 4) & 0xf);
244 pdu_decode_address(char *str, unsigned char *data, int len)
249 switch (toa & 0x70) {
251 pdu_decode_7bit_str(str, data, len, 0);
258 str = pdu_add_semioctet(str, *data);
266 static void wms_decode_address(char *name, unsigned char *data, int len)
268 char *str = blobmsg_alloc_string_buffer(&status, name, len * 2 + 2);
269 pdu_decode_address(str, data, len);
270 blobmsg_add_string_buffer(&status);
273 static void blobmsg_add_hex(struct blob_buf *buf, const char *name, unsigned const char *data, int len)
275 char* str = blobmsg_alloc_string_buffer(buf, name, len * 2 + 1);
276 for (int i = 0; i < len; i++) {
277 str += sprintf(str, "%02x", data[i]);
279 blobmsg_add_string_buffer(buf);
282 #define cmd_wms_delete_message_cb no_cb
283 static enum qmi_cmd_result
284 cmd_wms_delete_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
289 id = strtoul(arg, &err, 10);
291 uqmi_add_error("Invalid message ID");
295 static struct qmi_wms_delete_request mreq = {
296 QMI_INIT(memory_storage, QMI_WMS_STORAGE_TYPE_UIM),
297 QMI_INIT(message_mode, QMI_WMS_MESSAGE_MODE_GSM_WCDMA),
300 mreq.set.memory_index = 1;
301 mreq.data.memory_index = id;
303 qmi_set_wms_delete_request(msg, &mreq);
305 return QMI_CMD_REQUEST;
309 static void cmd_wms_get_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
311 struct qmi_wms_raw_read_response res;
312 unsigned char *data, *end;
316 unsigned char first, dcs;
319 qmi_parse_wms_raw_read_response(msg, &res);
320 c = blobmsg_open_table(&status, NULL);
321 data = (unsigned char *) res.data.raw_message_data.raw_data;
322 end = data + res.data.raw_message_data.raw_data_n;
325 if (data + cur_len >= end)
329 wms_decode_address("smsc", data, cur_len - 1);
337 sent = (first & 0x3) == 1;
342 if (data + cur_len >= end)
346 cur_len = (cur_len + 1) / 2;
347 wms_decode_address(sent ? "receiver" : "sender", data, cur_len);
362 blobmsg_add_u32(&status, "class", (dcs & 3));
365 /* Message validity */
371 str = blobmsg_alloc_string_buffer(&status, "timestamp", 32);
376 str = pdu_add_semioctet(str, data[0]);
379 str = pdu_add_semioctet(str, data[1]);
382 str = pdu_add_semioctet(str, data[2]);
386 str = pdu_add_semioctet(str, data[3]);
389 str = pdu_add_semioctet(str, data[4]);
392 str = pdu_add_semioctet(str, data[5]);
395 blobmsg_add_string_buffer(&status);
400 int message_len = *(data++);
404 /* User Data Header */
406 udh_len = decode_udh(data);
408 bit_offset = udh_len % 7;
416 /* 7 bit GSM alphabet */
417 message_len = message_len - CEILDIV(udh_len * 8, 7);
418 message_len = MIN(message_len, CEILDIV((end - data) * 8, 7));
419 decode_7bit_field("text", data, message_len, bit_offset);
423 message_len = MIN(message_len - udh_len, end - data);
424 blobmsg_add_hex(&status, "data", data, message_len);
427 /* 16 bit UCS-2 string */
428 message_len = MIN(message_len - udh_len, end - data);
429 blobmsg_add_hex(&status, "ucs-2", data, message_len);
435 blobmsg_close_table(&status, c);
439 blobmsg_close_table(&status, c);
440 fprintf(stderr, "There was an error reading message.\n");
443 static enum qmi_cmd_result
444 cmd_wms_get_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
446 static struct qmi_wms_raw_read_request mreq = {
447 QMI_INIT_SEQUENCE(message_memory_storage_id,
448 .storage_type = QMI_WMS_STORAGE_TYPE_UIM,
450 QMI_INIT(message_mode, QMI_WMS_MESSAGE_MODE_GSM_WCDMA),
455 id = strtoul(arg, &err, 10);
457 uqmi_add_error("Invalid message ID");
461 mreq.data.message_memory_storage_id.memory_index = id;
462 qmi_set_wms_raw_read_request(msg, &mreq);
464 return QMI_CMD_REQUEST;
468 static void cmd_wms_get_raw_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
470 struct qmi_wms_raw_read_response res;
475 qmi_parse_wms_raw_read_response(msg, &res);
476 data = (unsigned char *) res.data.raw_message_data.raw_data;
477 str = blobmsg_alloc_string_buffer(&status, NULL, res.data.raw_message_data.raw_data_n * 3);
478 for (i = 0; i < res.data.raw_message_data.raw_data_n; i++) {
479 str += sprintf(str, &" %02x"[i ? 0 : 1], data[i]);
481 blobmsg_add_string_buffer(&status);
484 #define cmd_wms_get_raw_message_prepare cmd_wms_get_message_prepare
494 #define cmd_wms_send_message_smsc_cb no_cb
495 static enum qmi_cmd_result
496 cmd_wms_send_message_smsc_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
502 #define cmd_wms_send_message_target_cb no_cb
503 static enum qmi_cmd_result
504 cmd_wms_send_message_target_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
510 #define cmd_wms_send_message_flash_cb no_cb
511 static enum qmi_cmd_result
512 cmd_wms_send_message_flash_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
519 pdu_encode_semioctet(unsigned char *dest, const char *str)
525 char digit = *str - '0';
528 dest[len] = 0xf0 | digit;
530 dest[len++] &= (digit << 4) | 0xf;
536 return lower ? len : (len + 1);
540 pdu_encode_7bit_str(unsigned char *data, const char *str)
556 data[len++] |= c << (8 - ofs);
557 data[len] = c >> ofs;
568 pdu_encode_number(unsigned char *dest, const char *str, bool smsc)
570 unsigned char format;
583 for (i = 0; str[i]; i++) {
584 if (str[i] >= '0' && str[i] <= '9')
594 dest[len++] = format;
596 len += pdu_encode_semioctet(&dest[len], str);
598 len += pdu_encode_7bit_str(&dest[len], str);
603 dest[0] = strlen(str);
609 pdu_encode_data(unsigned char *dest, const char *str)
614 len += pdu_encode_7bit_str(&dest[len], str);
615 dest[0] = strlen(str);
620 #define cmd_wms_send_message_cb no_cb
621 static enum qmi_cmd_result
622 cmd_wms_send_message_prepare(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg, char *arg)
624 static unsigned char buf[512];
625 static struct qmi_wms_raw_send_request mreq = {
626 QMI_INIT_SEQUENCE(raw_message_data,
627 .format = QMI_WMS_MESSAGE_FORMAT_GSM_WCDMA_POINT_TO_POINT,
631 unsigned char *cur = buf;
632 unsigned char first_octet = 0x11;
633 unsigned char protocol_id = 0x00;
634 unsigned char dcs = 0x00;
636 if (!_send.target || !*_send.target) {
637 uqmi_add_error("Missing argument");
641 if ((_send.smsc && strlen(_send.smsc) > 16) || strlen(_send.target) > 16 || strlen(arg) > 160) {
642 uqmi_add_error("Argument too long");
649 if (!_send.smsc || !*_send.smsc)
652 cur += pdu_encode_number(cur, _send.smsc, true);
654 *(cur++) = first_octet;
655 *(cur++) = 0; /* reference */
657 cur += pdu_encode_number(cur, _send.target, false);
658 *(cur++) = protocol_id;
661 *(cur++) = 0xff; /* validity */
662 cur += pdu_encode_data(cur, arg);
664 mreq.data.raw_message_data.raw_data_n = cur - buf;
665 qmi_set_wms_raw_send_request(msg, &mreq);
667 return QMI_CMD_REQUEST;