return QMI_CMD_REQUEST;
}
-static void decode_7bit(char *name, const unsigned char *data, int data_len)
+static int
+pdu_decode_7bit_str(char *dest, const unsigned char *data, int data_len, int bit_offset)
{
- bool multipart = false;
- char *dest;
- int part = 0, n_parts = 0;
- int len, pos_offset = 0;
+ char *orig_dest = dest;
int i;
- if (data[0] == 5 && data[1] == 0 && data[2] == 3) {
- multipart = true;
- n_parts = data[4];
- part = data[5];
- } else if (data[0] == 6 && data[1] == 8 && data[2] == 4) {
- multipart = true;
- n_parts = data[5];
- part = data[6];
- }
-
- if (multipart) {
- len = data[0] + 1;
- data += len;
- data_len -= len;
- pos_offset = 6;
- }
-
- dest = blobmsg_alloc_string_buffer(&status, name, data_len * 8 / 7 + 2);
for (i = 0; i < data_len; i++) {
- int pos = (i + pos_offset) % 7;
+ int pos = (i + bit_offset) % 7;
if (pos == 0) {
*(dest++) = data[i] & 0x7f;
}
}
*dest = 0;
- blobmsg_add_string_buffer(&status);
+ return dest - orig_dest;
+}
+
+static void decode_udh(const unsigned char *data)
+{
+ const unsigned char *start = data;
+ const unsigned char *end;
+ unsigned int type, len;
+
+ len = *(data++);
+ end = data + len;
+ while (data < end) {
+ const unsigned char *val;
+
+ type = data[0];
+ len = data[1];
+ val = &data[2];
+ data += 2 + len;
+ if (data > end)
+ break;
- if (multipart) {
- blobmsg_add_u32(&status, "part", part + 1);
- blobmsg_add_u32(&status, "parts", n_parts);
+ switch (type) {
+ case 0:
+ blobmsg_add_u32(&status, "concat_ref", (uint32_t) val[0]);
+ blobmsg_add_u32(&status, "concat_part", (uint32_t) val[2] + 1);
+ blobmsg_add_u32(&status, "concat_parts", (uint32_t) val[1]);
+ break;
+ default:
+ break;
+ }
}
}
-static char *add_semioctet(char *str, char val)
+static void decode_7bit_field(char *name, const unsigned char *data, int data_len, bool udh)
+{
+ bool multipart = false;
+ const unsigned char *udh_start;
+ char *dest;
+ int pos_offset = 0;
+
+ if (udh) {
+ int len = data[0] + 1;
+
+ udh_start = data;
+ data += len;
+ data_len -= len;
+ pos_offset = len % 7;
+ }
+
+ dest = blobmsg_alloc_string_buffer(&status, name, data_len * 8 / 7 + 2);
+ pdu_decode_7bit_str(dest, data, data_len, pos_offset);
+ blobmsg_add_string_buffer(&status);
+
+ if (udh)
+ decode_udh(udh_start);
+}
+
+static char *pdu_add_semioctet(char *str, char val)
{
*str = '0' + (val & 0xf);
if (*str <= '9')
return str;
}
-static unsigned char *
-decode_semioctet_number(char *str, char *name, unsigned char *data, int len)
+static void
+pdu_decode_address(char *str, unsigned char *data, int len)
{
- str = blobmsg_alloc_string_buffer(&status, name, len * 2 + 2);
- if (*data == 0x91) {
- len--;
+ unsigned char toa;
+
+ toa = *(data++);
+ switch (toa & 0x70) {
+ case 0x50:
+ pdu_decode_7bit_str(str, data, len, 0);
+ return;
+ case 0x10:
*(str++) = '+';
- }
- data++;
- while (len) {
- str = add_semioctet(str, *data);
- data++;
- len--;
+ /* fall through */
+ default:
+ while (len--) {
+ str = pdu_add_semioctet(str, *data);
+ data++;
+ }
}
*str = 0;
- blobmsg_add_string_buffer(&status);
+}
- return data;
+static void wms_decode_address(char *str, char *name, unsigned char *data, int len)
+{
+ str = blobmsg_alloc_string_buffer(&status, name, len * 2 + 2);
+ pdu_decode_address(str, data, len);
+ blobmsg_add_string_buffer(&status);
}
static void cmd_wms_get_message_cb(struct qmi_dev *qmi, struct qmi_request *req, struct qmi_msg *msg)
char *str;
int i, cur_len;
bool sent;
+ unsigned char first;
qmi_parse_wms_raw_read_response(msg, &res);
data = (unsigned char *) res.data.raw_message_data.raw_data;
end = data + res.data.raw_message_data.raw_data_n;
- do {
- cur_len = *(data++);
- if (data + cur_len >= end)
- break;
+ cur_len = *(data++);
+ if (data + cur_len >= end)
+ return;
- if (cur_len)
- data = decode_semioctet_number(str, "smsc", data, cur_len);
+ if (cur_len) {
+ wms_decode_address(str, "smsc", data, cur_len - 1);
+ data += cur_len;
+ }
- if (data + 3 >= end)
- break;
+ if (data + 3 >= end)
+ return;
- sent = (*data & 0x3) == 1;
+ first = *(data++);
+ sent = (first & 0x3) == 1;
+ if (sent)
data++;
- if (sent)
- data++;
- cur_len = *(data++);
- if (data + cur_len >= end)
- break;
+ cur_len = *(data++);
+ if (data + cur_len >= end)
+ return;
- if (cur_len)
- data = decode_semioctet_number(str, sent ? "receiver" : "sender", data, (cur_len + 1) / 2);
+ if (cur_len) {
+ cur_len = (cur_len + 1) / 2;
+ wms_decode_address(str, sent ? "receiver" : "sender", data, cur_len);
+ data += cur_len + 1;
+ }
- if (data + 3 >= end)
- break;
+ if (data + 3 >= end)
+ return;
- /* Protocol ID */
- if (*(data++) != 0)
- break;
+ /* Protocol ID */
+ if (*(data++) != 0)
+ return;
- /* Data Encoding */
- if (*(data++) != 0)
- break;
+ /* Data Encoding */
+ if (*(data++) != 0)
+ return;
- if (sent) {
- /* Message validity */
- data++;
- } else {
- if (data + 6 >= end)
- break;
-
- str = blobmsg_alloc_string_buffer(&status, "timestamp", 32);
-
- /* year */
- *(str++) = '2';
- *(str++) = '0';
- str = add_semioctet(str, data[0]);
- /* month */
- *(str++) = '-';
- str = add_semioctet(str, data[1]);
- /* day */
- *(str++) = '-';
- str = add_semioctet(str, data[2]);
-
- /* hour */
- *(str++) = ' ';
- str = add_semioctet(str, data[3]);
- /* minute */
- *(str++) = ':';
- str = add_semioctet(str, data[4]);
- /* second */
- *(str++) = ':';
- str = add_semioctet(str, data[5]);
- *str = 0;
-
- blobmsg_add_string_buffer(&status);
-
- data += 7;
- }
+ if (sent) {
+ /* Message validity */
+ data++;
+ } else {
+ if (data + 6 >= end)
+ return;
+
+ str = blobmsg_alloc_string_buffer(&status, "timestamp", 32);
+
+ /* year */
+ *(str++) = '2';
+ *(str++) = '0';
+ str = pdu_add_semioctet(str, data[0]);
+ /* month */
+ *(str++) = '-';
+ str = pdu_add_semioctet(str, data[1]);
+ /* day */
+ *(str++) = '-';
+ str = pdu_add_semioctet(str, data[2]);
+
+ /* hour */
+ *(str++) = ' ';
+ str = pdu_add_semioctet(str, data[3]);
+ /* minute */
+ *(str++) = ':';
+ str = pdu_add_semioctet(str, data[4]);
+ /* second */
+ *(str++) = ':';
+ str = pdu_add_semioctet(str, data[5]);
+ *str = 0;
+
+ blobmsg_add_string_buffer(&status);
+
+ data += 7;
+ }
- cur_len = *(data++);
- decode_7bit("text", data, end - data);
- } while (0);
+ cur_len = *(data++);
+ decode_7bit_field("text", data, end - data, !!(first & 0x40));
}
static enum qmi_cmd_result
projects / project / uqmi.git / blobdiff