summaryrefslogtreecommitdiff
path: root/src/pdu_decode.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/pdu_decode.c')
-rw-r--r--src/pdu_decode.c878
1 files changed, 439 insertions, 439 deletions
diff --git a/src/pdu_decode.c b/src/pdu_decode.c
index 9c0ced5..7f76ff5 100644
--- a/src/pdu_decode.c
+++ b/src/pdu_decode.c
@@ -37,134 +37,134 @@
#define DECODE_FAIL(cond, name, ret) \
do { \
- if (cond) { \
- log_error("decode failed at %s", name); \
- return ret; \
- } \
+ if (cond) { \
+ log_error("decode failed at %s", name); \
+ return ret; \
+ } \
} while (0)
int pdu_decode_timestamp(const char *pdu_str, struct tm *tm)
{
- char buf[PDU_TIMESTAMP_SIZE + 3];
- char *cp;
- int off_upper;
- int off_lower;
- int off;
+ char buf[PDU_TIMESTAMP_SIZE + 3];
+ char *cp;
+ int off_upper;
+ int off_lower;
+ int off;
- STRLEN_CHECK(pdu_str, PDU_TIMESTAMP_LEN, -1);
+ STRLEN_CHECK(pdu_str, PDU_TIMESTAMP_LEN, -1);
- memset(tm, 0, sizeof(*tm));
- memset(buf, 0, sizeof(buf));
+ memset(tm, 0, sizeof(*tm));
+ memset(buf, 0, sizeof(buf));
- strncpy(buf, pdu_str, PDU_TIMESTAMP_LEN);
- nibble_swap(buf, PDU_TIMESTAMP_LEN);
- strunpad(buf, 'F');
+ strncpy(buf, pdu_str, PDU_TIMESTAMP_LEN);
+ nibble_swap(buf, PDU_TIMESTAMP_LEN);
+ strunpad(buf, 'F');
- off_upper = hex_nibble_scan(buf + GMT_OFFSET_IDX, 1);
- off_lower = hex_nibble_scan(buf + GMT_OFFSET_IDX + 1, 1);
+ off_upper = hex_nibble_scan(buf + GMT_OFFSET_IDX, 1);
+ off_lower = hex_nibble_scan(buf + GMT_OFFSET_IDX + 1, 1);
- if (off_upper & BIT(3)) {
- off_upper &= ~BIT(3);
- buf[GMT_OFFSET_IDX] = '-';
- } else {
- buf[GMT_OFFSET_IDX] = '+';
- }
+ if (off_upper & BIT(3)) {
+ off_upper &= ~BIT(3);
+ buf[GMT_OFFSET_IDX] = '-';
+ } else {
+ buf[GMT_OFFSET_IDX] = '+';
+ }
- off = (off_upper * 10 + off_lower) * 15;
+ off = (off_upper * 10 + off_lower) * 15;
- snprintf(buf + GMT_OFFSET_IDX + 1, 5, "%02d%02d", off / 60, off % 60);
+ snprintf(buf + GMT_OFFSET_IDX + 1, 5, "%02d%02d", off / 60, off % 60);
- cp = (char *) strptime(buf, "%y%m%d%H%M%S%z", tm);
- if (!cp || *cp) {
- log_error("timestamp could not be converted to tm");
- return -1;
- }
+ cp = (char *) strptime(buf, "%y%m%d%H%M%S%z", tm);
+ if (!cp || *cp) {
+ log_error("timestamp could not be converted to tm");
+ return -1;
+ }
- return PDU_TIMESTAMP_LEN;
+ return PDU_TIMESTAMP_LEN;
}
int pdu_decode_cdma_timestamp(const char *pdu_str, struct tm *tm)
{
- char buf[PDU_CDMA_TIMESTAMP_LEN + 1];
- char *cp;
+ char buf[PDU_CDMA_TIMESTAMP_LEN + 1];
+ char *cp;
- STRLEN_CHECK(pdu_str, PDU_CDMA_TIMESTAMP_LEN, -1);
+ STRLEN_CHECK(pdu_str, PDU_CDMA_TIMESTAMP_LEN, -1);
- memset(tm, 0, sizeof(*tm));
- memset(buf, 0, sizeof(buf));
+ memset(tm, 0, sizeof(*tm));
+ memset(buf, 0, sizeof(buf));
- strncpy(buf, pdu_str, PDU_CDMA_TIMESTAMP_LEN);
+ strncpy(buf, pdu_str, PDU_CDMA_TIMESTAMP_LEN);
- cp = (char *) strptime(buf, "%y%m%d%H%M%S", tm);
- if (!cp || *cp) {
- log_error("timestamp could not be converted to tm");
- return -1;
- }
+ cp = (char *) strptime(buf, "%y%m%d%H%M%S", tm);
+ if (!cp || *cp) {
+ log_error("timestamp could not be converted to tm");
+ return -1;
+ }
- return PDU_CDMA_TIMESTAMP_LEN;
+ return PDU_CDMA_TIMESTAMP_LEN;
}
int pdu_decode_addr(const char *pdu_str, struct pdu_addr *addr, int smsc)
{
- const char *begin = pdu_str;
- int addr_len;
- int tmp;
-
- memset(addr, 0, sizeof(*addr));
-
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
-
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "addr-len", -1);
- pdu_str += HEX_BYTE_LEN;
- addr->len = tmp;
-
- addr_len = addr->len;
- if (smsc) {
- if (!addr_len) {
- goto done;
- }
- addr_len = addr_len * HEX_BYTE_LEN - HEX_BYTE_LEN;
- } else {
- if (addr_len & 1) {
- addr_len++;
- }
- }
-
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
-
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "addr-type", -1);
- pdu_str += HEX_BYTE_LEN;
- addr->type = tmp;
-
- if (addr_len < 0 || addr_len >= sizeof(addr->addr)) {
- log_error("invalid length: 0x%02X", addr_len);
- return -1;
- }
-
- log_debug("addr-len [transformed]: 0x%02X", addr_len);
- log_debug("addr-type: 0x%02X", addr->type);
-
- STRLEN_CHECK(pdu_str, addr_len, -1);
-
- strncpy(addr->addr, pdu_str, addr_len);
-
- nibble_swap(addr->addr, addr_len);
- strunpad(addr->addr, 'F');
- if(addr->type == 0x91) {//91 indicates international format of the phone number
- memmove(&addr->addr[1],addr->addr,addr_len);
- addr->addr[0]='+';
- };
- pdu_str += addr_len;
+ const char *begin = pdu_str;
+ int addr_len;
+ int tmp;
+
+ memset(addr, 0, sizeof(*addr));
+
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "addr-len", -1);
+ pdu_str += HEX_BYTE_LEN;
+ addr->len = tmp;
+
+ addr_len = addr->len;
+ if (smsc) {
+ if (!addr_len) {
+ goto done;
+ }
+ addr_len = addr_len * HEX_BYTE_LEN - HEX_BYTE_LEN;
+ } else {
+ if (addr_len & 1) {
+ addr_len++;
+ }
+ }
+
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "addr-type", -1);
+ pdu_str += HEX_BYTE_LEN;
+ addr->type = tmp;
+
+ if (addr_len < 0 || addr_len >= sizeof(addr->addr)) {
+ log_error("invalid length: 0x%02X", addr_len);
+ return -1;
+ }
+
+ log_debug("addr-len [transformed]: 0x%02X", addr_len);
+ log_debug("addr-type: 0x%02X", addr->type);
+
+ STRLEN_CHECK(pdu_str, addr_len, -1);
+
+ strncpy(addr->addr, pdu_str, addr_len);
+
+ nibble_swap(addr->addr, addr_len);
+ strunpad(addr->addr, 'F');
+ if (addr->type == 0x91) {//91 indicates international format of the phone number
+ memmove(&addr->addr[1],addr->addr,addr_len);
+ addr->addr[0]='+';
+ };
+ pdu_str += addr_len;
done:
- log_debug("addr: %s", addr->addr);
- log_debug("addr-len: 0x%02X", addr->len);
+ log_debug("addr: %s", addr->addr);
+ log_debug("addr-len: 0x%02X", addr->len);
- return pdu_str - begin;
+ return pdu_str - begin;
}
@@ -178,400 +178,400 @@ shiftl(buf[octet_idx(n) - 1], cycledown(n, 8)) & 0x7F
int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octets)
{
- const char *begin = pdu_str;
- int tmp;
- uint8_t octets[PDU_OCTETS_MAX + 1];
- int user_data_start_index = 0;
- int i;
-
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
-
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "user-data-len", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->user_data_len = tmp;
-
- if (pdu->data_coding.general.unused) {
- log_error("data coding group 0x%02X not implemented",
- pdu->data_coding.data_coding & 0xF0);
- return -1;
- }
-
-
- if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT ||
- pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2 )
- {
- log_debug("data coding alphabet is default (7-bit)");
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI) {
- log_debug("data coding alphabet is default (7-bit) multi-part");
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
- log_debug("data coding alphabet is CDMA default (7-bit)");
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_EIGHT) {
- log_debug("data coding alphabet is eight");
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_EIGHT) {
- log_debug("data coding alphabet is CDMA eight");
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_TE) {
- log_debug("data coding alphabet is TE specific 7-bit");
- } else {
- log_debug("data coding alphabet 0x%02X not implemented",
- pdu->data_coding.general.alphabet);
- return -1;
- }
-
- // -----------------------------------------------------------------------------
- // VERIFY DATA LENGTH AND GET NUMBER OF OCTETS (ACTUAL DATA BYTES IN PDU STRING)
- // -----------------------------------------------------------------------------
- if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_TE)) {
- if (pdu->user_data_len > PDU_UD_7BIT_MAX) {
- log_warning("pdu contains invalid user-data-len: 0x%02X",
- pdu->user_data_len);
- pdu->user_data_len = PDU_UD_7BIT_MAX;
- }
-
- //GSM 7-bit data (septets) length is encoded in PDU as number of septets
- // (which is same as user_data_len), but octets is needed for decoding loop
- *nr_octets = octets_from_septets(pdu->user_data_len);
-
- // CDMA 7-BIT ENCODING
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
- if (is_vzw_lte()) {
- // LE910-SVG stores data length as # of septets
- log_debug("counting PDU length byte as number of septets (LE910-SVG/LE910-SV1/LE910-NA1/VZW)");
- *nr_octets = octets_from_septets(pdu->user_data_len);
- }
- else {
- // Other CDMA radios store data length as # of octets
- // NOTE: CE910 send PDU needs # of septets but receive PDU is in # of octets
- log_debug("counting PDU length byte as number of octets");
- *nr_octets = pdu->user_data_len;
- pdu->user_data_len = septets_from_octets(pdu->user_data_len);
- }
-
-
- if (pdu->user_data_len > PDU_UD_7BIT_MAX) {
- log_warning("pdu contains invalid user-data-len: 0x%02X", pdu->user_data_len);
- pdu->user_data_len = PDU_UD_7BIT_MAX;
- }
-
- // GSM & CDMA 8-BIT ENCODING
- } else if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_EIGHT) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_EIGHT)) {
- if (pdu->user_data_len > PDU_UD_8BIT_MAX) {
- log_warning("pdu contains invalid user-data-len: 0x%02X",
- pdu->user_data_len);
- pdu->user_data_len = PDU_UD_8BIT_MAX;
- }
-
- //Original data is octets (all 8 bits could contain data)
- //Therefore, octets = user_data_len
- *nr_octets = pdu->user_data_len;
- }
-
- STRLEN_CHECK(pdu_str, *nr_octets * 2, -1);
-
- log_debug("nr_octets: 0x%02X (encoded data length)", *nr_octets);
- log_debug("user-data-len: 0x%02X (decoded data length)", pdu->user_data_len);
-
- //Copy user data from pdu string into octets
- for (i = 0; i < *nr_octets; i++) {
- octets[i] = hex_byte_decode(pdu_str);
- pdu_str += HEX_BYTE_LEN;
- }
-
-
- // ---------------------------------------------------------
- // DECODE USER DATA (IF NEEDED) AND COPY INTO pdu->user_data
- // ---------------------------------------------------------
- // GSM 7-BIT & LVW2 7-BIT MULTI-PART
- if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_TE)) {
- // Keep UDH for concatenated SMS ONLY.
- // Otherwise it is impossible to process correctly concatenated SMS.
- i = 0;
- if (pdu->type.user_data_header ||
- // For LVW3, LNA3 and LVW2 - Save header ONLY when it's actually a multi-part message.
- // Multi-part messages should use Teleservice ID 4101 (0x1005) in LVW2 7-BIT MULTI-PART format.
- // See 3GPP2 X.S0004-550-E for details on Teleservice ID.
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI
- && pdu->teleservice_id == PDU_TELE_ID_CDMA_WEMT)) {
- for (i = 0; i <= octets[0]; ++i) {
- pdu->user_data[i] = octets[i];
- }
- i = octets[0] + 1; // Set message text start after UDH.
- // Process octets padding for 7-bit encoding.
- if (0 != (i * 8) % 7) {
- pdu->user_data[i] = 0; // set padding data to 0;
- i++;
- }
- }
-
- user_data_start_index = i;
- for (; i < pdu->user_data_len; i++) {
- pdu->user_data[i] = decode_septet_from_octet(octets, i);
- log_debug("DECODE: i: %d octet: 0x%02X --> data: 0x%02X", i, octets[i], pdu->user_data[i]);
- }
- pdu->user_data[i] = '\0';
-
- // CDMA 7-BIT
- } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
- // Keep UDH for concatenated SMS.
- // Otherwise it is impossible to process correctly concatenated SMS.
- i = 0;
- if (pdu->type.user_data_header) {
- for (i = 0; i <= octets[0]; ++i) {
- pdu->user_data[i] = octets[i];
- }
- i = octets[0] + 1; // Set message text start after UDH.
- // Process octets padding for 7-bit encoding.
- if (0 != (i * 8) % 7) {
- pdu->user_data[i] = 0; // set padding data to 0;
- i++;
- }
- }
-
- for (; i < pdu->user_data_len; i++) {
- pdu->user_data[i] = decode_cdma_septet_from_octet(octets, i);
- log_debug("DECODE: i: %d octet: 0x%02X --> data: 0x%02X", i, octets[i], pdu->user_data[i]);
- }
-
- //Remove padded byte for data length of 7 characters if not LE910-SVG
- if (!is_vzw_lte() && (pdu->user_data[i-1] == 0)) {
- log_debug("Removing padded char");
- i--;
- pdu->user_data_len--;
- }
- pdu->user_data[i] = '\0';
-
- // ALL 8-BIT ENCODING
- } else {
- for (i = 0; i < pdu->user_data_len; i++) {
- pdu->user_data[i] = octets[i];
- }
- pdu->user_data[i] = '\0';
- }
-
-
- // ---------------------------------------------------------------------
- // FOR GSM 7-BIT ENCODING ONLY, DECODE FROM GSM ALPHABET TO IRA ALPHABET
- // (includes LVW2 multi-part)
- // ---------------------------------------------------------------------
- if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2) ||
- (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)) {
- int read = user_data_start_index;
- int store = user_data_start_index;
-
- log_debug("Converting from GSM character set to IRA");
- for (; read < pdu->user_data_len; read++) {
- if (pdu->user_data[read] == 0x1B) {
- //Character from the extended set using the escape char (27)
- read++;
- log_debug("GSM before: 0x1B%02X | IRA after: 0x%02X", pdu->user_data[read], strExtendedTable[pdu->user_data[read]]);
- pdu->user_data[store] = strExtendedTable[pdu->user_data[read]];
- }
- else {
- log_debug("GSM before: 0x%02X | IRA after: 0x%02X", pdu->user_data[read], strGSMTable[pdu->user_data[read]]);
- pdu->user_data[store] = strGSMTable[pdu->user_data[read]];
- }
- store++;
- }
- //Update lengths
- pdu->user_data_len -= read - store;
- pdu_str -= (read - store) * HEX_BYTE_LEN;
- }
-
- return pdu_str - begin;
+ const char *begin = pdu_str;
+ int tmp;
+ uint8_t octets[PDU_OCTETS_MAX + 1];
+ int user_data_start_index = 0;
+ int i;
+
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "user-data-len", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->user_data_len = tmp;
+
+ if (pdu->data_coding.general.unused) {
+ log_error("data coding group 0x%02X not implemented",
+ pdu->data_coding.data_coding & 0xF0);
+ return -1;
+ }
+
+
+ if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT ||
+ pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2 )
+ {
+ log_debug("data coding alphabet is default (7-bit)");
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI) {
+ log_debug("data coding alphabet is default (7-bit) multi-part");
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
+ log_debug("data coding alphabet is CDMA default (7-bit)");
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_EIGHT) {
+ log_debug("data coding alphabet is eight");
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_EIGHT) {
+ log_debug("data coding alphabet is CDMA eight");
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_TE) {
+ log_debug("data coding alphabet is TE specific 7-bit");
+ } else {
+ log_debug("data coding alphabet 0x%02X not implemented",
+ pdu->data_coding.general.alphabet);
+ return -1;
+ }
+
+ // -----------------------------------------------------------------------------
+ // VERIFY DATA LENGTH AND GET NUMBER OF OCTETS (ACTUAL DATA BYTES IN PDU STRING)
+ // -----------------------------------------------------------------------------
+ if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_TE)) {
+ if (pdu->user_data_len > PDU_UD_7BIT_MAX) {
+ log_warning("pdu contains invalid user-data-len: 0x%02X",
+ pdu->user_data_len);
+ pdu->user_data_len = PDU_UD_7BIT_MAX;
+ }
+
+ //GSM 7-bit data (septets) length is encoded in PDU as number of septets
+ // (which is same as user_data_len), but octets is needed for decoding loop
+ *nr_octets = octets_from_septets(pdu->user_data_len);
+
+ // CDMA 7-BIT ENCODING
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
+ if (is_vzw_lte()) {
+ // LE910-SVG stores data length as # of septets
+ log_debug("counting PDU length byte as number of septets (LE910-SVG/LE910-SV1/LE910-NA1/VZW)");
+ *nr_octets = octets_from_septets(pdu->user_data_len);
+ }
+ else {
+ // Other CDMA radios store data length as # of octets
+ // NOTE: CE910 send PDU needs # of septets but receive PDU is in # of octets
+ log_debug("counting PDU length byte as number of octets");
+ *nr_octets = pdu->user_data_len;
+ pdu->user_data_len = septets_from_octets(pdu->user_data_len);
+ }
+
+
+ if (pdu->user_data_len > PDU_UD_7BIT_MAX) {
+ log_warning("pdu contains invalid user-data-len: 0x%02X", pdu->user_data_len);
+ pdu->user_data_len = PDU_UD_7BIT_MAX;
+ }
+
+ // GSM & CDMA 8-BIT ENCODING
+ } else if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_EIGHT) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_EIGHT)) {
+ if (pdu->user_data_len > PDU_UD_8BIT_MAX) {
+ log_warning("pdu contains invalid user-data-len: 0x%02X",
+ pdu->user_data_len);
+ pdu->user_data_len = PDU_UD_8BIT_MAX;
+ }
+
+ //Original data is octets (all 8 bits could contain data)
+ //Therefore, octets = user_data_len
+ *nr_octets = pdu->user_data_len;
+ }
+
+ STRLEN_CHECK(pdu_str, *nr_octets * 2, -1);
+
+ log_debug("nr_octets: 0x%02X (encoded data length)", *nr_octets);
+ log_debug("user-data-len: 0x%02X (decoded data length)", pdu->user_data_len);
+
+ //Copy user data from pdu string into octets
+ for (i = 0; i < *nr_octets; i++) {
+ octets[i] = hex_byte_decode(pdu_str);
+ pdu_str += HEX_BYTE_LEN;
+ }
+
+
+ // ---------------------------------------------------------
+ // DECODE USER DATA (IF NEEDED) AND COPY INTO pdu->user_data
+ // ---------------------------------------------------------
+ // GSM 7-BIT & LVW2 7-BIT MULTI-PART
+ if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_TE)) {
+ // Keep UDH for concatenated SMS ONLY.
+ // Otherwise it is impossible to process correctly concatenated SMS.
+ i = 0;
+ if (pdu->type.user_data_header ||
+ // For LVW3, LNA3 and LVW2 - Save header ONLY when it's actually a multi-part message.
+ // Multi-part messages should use Teleservice ID 4101 (0x1005) in LVW2 7-BIT MULTI-PART format.
+ // See 3GPP2 X.S0004-550-E for details on Teleservice ID.
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI
+ && pdu->teleservice_id == PDU_TELE_ID_CDMA_WEMT)) {
+ for (i = 0; i <= octets[0]; ++i) {
+ pdu->user_data[i] = octets[i];
+ }
+ i = octets[0] + 1; // Set message text start after UDH.
+ // Process octets padding for 7-bit encoding.
+ if (0 != (i * 8) % 7) {
+ pdu->user_data[i] = 0; // set padding data to 0;
+ i++;
+ }
+ }
+
+ user_data_start_index = i;
+ for (; i < pdu->user_data_len; i++) {
+ pdu->user_data[i] = decode_septet_from_octet(octets, i);
+ log_debug("DECODE: i: %d octet: 0x%02X --> data: 0x%02X", i, octets[i], pdu->user_data[i]);
+ }
+ pdu->user_data[i] = '\0';
+
+ // CDMA 7-BIT
+ } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
+ // Keep UDH for concatenated SMS.
+ // Otherwise it is impossible to process correctly concatenated SMS.
+ i = 0;
+ if (pdu->type.user_data_header) {
+ for (i = 0; i <= octets[0]; ++i) {
+ pdu->user_data[i] = octets[i];
+ }
+ i = octets[0] + 1; // Set message text start after UDH.
+ // Process octets padding for 7-bit encoding.
+ if (0 != (i * 8) % 7) {
+ pdu->user_data[i] = 0; // set padding data to 0;
+ i++;
+ }
+ }
+
+ for (; i < pdu->user_data_len; i++) {
+ pdu->user_data[i] = decode_cdma_septet_from_octet(octets, i);
+ log_debug("DECODE: i: %d octet: 0x%02X --> data: 0x%02X", i, octets[i], pdu->user_data[i]);
+ }
+
+ //Remove padded byte for data length of 7 characters if not LE910-SVG
+ if (!is_vzw_lte() && (pdu->user_data[i-1] == 0)) {
+ log_debug("Removing padded char");
+ i--;
+ pdu->user_data_len--;
+ }
+ pdu->user_data[i] = '\0';
+
+ // ALL 8-BIT ENCODING
+ } else {
+ for (i = 0; i < pdu->user_data_len; i++) {
+ pdu->user_data[i] = octets[i];
+ }
+ pdu->user_data[i] = '\0';
+ }
+
+
+ // ---------------------------------------------------------------------
+ // FOR GSM 7-BIT ENCODING ONLY, DECODE FROM GSM ALPHABET TO IRA ALPHABET
+ // (includes LVW2 multi-part)
+ // ---------------------------------------------------------------------
+ if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT2) ||
+ (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)) {
+ int read = user_data_start_index;
+ int store = user_data_start_index;
+
+ log_debug("Converting from GSM character set to IRA");
+ for (; read < pdu->user_data_len; read++) {
+ if (pdu->user_data[read] == 0x1B) {
+ //Character from the extended set using the escape char (27)
+ read++;
+ log_debug("GSM before: 0x1B%02X | IRA after: 0x%02X", pdu->user_data[read], strExtendedTable[pdu->user_data[read]]);
+ pdu->user_data[store] = strExtendedTable[pdu->user_data[read]];
+ }
+ else {
+ log_debug("GSM before: 0x%02X | IRA after: 0x%02X", pdu->user_data[read], strGSMTable[pdu->user_data[read]]);
+ pdu->user_data[store] = strGSMTable[pdu->user_data[read]];
+ }
+ store++;
+ }
+ //Update lengths
+ pdu->user_data_len -= read - store;
+ pdu_str -= (read - store) * HEX_BYTE_LEN;
+ }
+
+ return pdu_str - begin;
}
int pdu_decode(const char *pdu_str, struct pdu_info *pdu)
{
- const char *begin = pdu_str;
- const char *msg_begin;
- int tmp;
- int nr_octets;
+ const char *begin = pdu_str;
+ const char *msg_begin;
+ int tmp;
+ int nr_octets;
- memset(pdu, 0, sizeof(*pdu));
+ memset(pdu, 0, sizeof(*pdu));
- tmp = pdu_decode_addr(pdu_str, &pdu->smsc_addr, 1);
- DECODE_FAIL(tmp < 0, "smsc-addr", -1);
- pdu_str += tmp;
+ tmp = pdu_decode_addr(pdu_str, &pdu->smsc_addr, 1);
+ DECODE_FAIL(tmp < 0, "smsc-addr", -1);
+ pdu_str += tmp;
- msg_begin = pdu_str;
+ msg_begin = pdu_str;
- log_debug("smsc-addr: %s", pdu->smsc_addr.addr);
- log_debug("smsc-addr-type: 0x%02X", pdu->smsc_addr.type);
- log_debug("smsc-addr-len: 0x%02X", pdu->smsc_addr.len);
+ log_debug("smsc-addr: %s", pdu->smsc_addr.addr);
+ log_debug("smsc-addr-type: 0x%02X", pdu->smsc_addr.type);
+ log_debug("smsc-addr-len: 0x%02X", pdu->smsc_addr.len);
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "type", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->type.type = tmp;
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "type", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->type.type = tmp;
- log_debug("type: 0x%02X", pdu->type.type);
+ log_debug("type: 0x%02X", pdu->type.type);
- if (pdu->type.msg_type == PDU_MTI_SUBMIT ||
- pdu->type.msg_type == PDU_MTI_REPORT) {
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+ if (pdu->type.msg_type == PDU_MTI_SUBMIT ||
+ pdu->type.msg_type == PDU_MTI_REPORT) {
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "msg-reference", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->msg_reference = tmp;
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "msg-reference", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->msg_reference = tmp;
- log_debug("msg-reference: 0x%02X", pdu->msg_reference);
- }
+ log_debug("msg-reference: 0x%02X", pdu->msg_reference);
+ }
- tmp = pdu_decode_addr(pdu_str, &pdu->addr, 0);
- DECODE_FAIL(tmp < 0, "addr", -1);
- pdu_str += tmp;
+ tmp = pdu_decode_addr(pdu_str, &pdu->addr, 0);
+ DECODE_FAIL(tmp < 0, "addr", -1);
+ pdu_str += tmp;
- log_debug("addr: %s", pdu->addr.addr);
- log_debug("addr-type: 0x%02X", pdu->addr.type);
- log_debug("addr-len: 0x%02X", pdu->addr.len);
+ log_debug("addr: %s", pdu->addr.addr);
+ log_debug("addr-type: 0x%02X", pdu->addr.type);
+ log_debug("addr-len: 0x%02X", pdu->addr.len);
- switch (pdu->type.msg_type) {
- case PDU_MTI_REPORT:
- tmp = pdu_decode_timestamp(pdu_str, &pdu->timestamp);
- DECODE_FAIL(tmp < 0, "report-timestamp", -1);
- pdu_str += tmp;
+ switch (pdu->type.msg_type) {
+ case PDU_MTI_REPORT:
+ tmp = pdu_decode_timestamp(pdu_str, &pdu->timestamp);
+ DECODE_FAIL(tmp < 0, "report-timestamp", -1);
+ pdu_str += tmp;
- break;
- case PDU_MTI_DELIVER:
- case PDU_MTI_SUBMIT:
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+ break;
+ case PDU_MTI_DELIVER:
+ case PDU_MTI_SUBMIT:
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "protocol-id", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->protocol_id = tmp;
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "protocol-id", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->protocol_id = tmp;
- log_debug("protocol-id: 0x%02X", pdu->protocol_id);
+ log_debug("protocol-id: 0x%02X", pdu->protocol_id);
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "data-coding-scheme", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->data_coding.data_coding = tmp;
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "data-coding-scheme", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->data_coding.data_coding = tmp;
- log_debug("data-coding-scheme: 0x%02X", pdu->data_coding.data_coding);
+ log_debug("data-coding-scheme: 0x%02X", pdu->data_coding.data_coding);
- if (pdu->type.msg_type == PDU_MTI_SUBMIT) {
- log_debug("validity-period-format: 0x%02X",
- pdu->type.validity_period_format);
- switch (pdu->type.validity_period_format) {
- case PDU_VPF_RELATIVE:
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+ if (pdu->type.msg_type == PDU_MTI_SUBMIT) {
+ log_debug("validity-period-format: 0x%02X",
+ pdu->type.validity_period_format);
+ switch (pdu->type.validity_period_format) {
+ case PDU_VPF_RELATIVE:
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "validity-period", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->validity_period = tmp;
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "validity-period", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->validity_period = tmp;
- log_debug("validity-period: 0x%02X", pdu->validity_period);
+ log_debug("validity-period: 0x%02X", pdu->validity_period);
- break;
+ break;
- case PDU_VPF_ENHANCED:
- log_warning("PDU_VPF_ENHANCED? Falling through to absolute");
- case PDU_VPF_ABSOUTE:
- tmp = pdu_decode_timestamp(pdu_str, &pdu->timestamp);
- DECODE_FAIL(tmp < 0, "validity-period-timestamp", -1);
- pdu_str += tmp;
+ case PDU_VPF_ENHANCED:
+ log_warning("PDU_VPF_ENHANCED? Falling through to absolute");
+ case PDU_VPF_ABSOUTE:
+ tmp = pdu_decode_timestamp(pdu_str, &pdu->timestamp);
+ DECODE_FAIL(tmp < 0, "validity-period-timestamp", -1);
+ pdu_str += tmp;
- return -1;
+ return -1;
- case PDU_VPF_NOT_PRESENT:
- default:
- break;
- }
- } else if (pdu->type.msg_type == PDU_MTI_DELIVER) {
- tmp = pdu_decode_timestamp(pdu_str, &pdu->timestamp);
- DECODE_FAIL(tmp < 0, "delivery-timestamp", -1);
- pdu_str += tmp;
- }
+ case PDU_VPF_NOT_PRESENT:
+ default:
+ break;
+ }
+ } else if (pdu->type.msg_type == PDU_MTI_DELIVER) {
+ tmp = pdu_decode_timestamp(pdu_str, &pdu->timestamp);
+ DECODE_FAIL(tmp < 0, "delivery-timestamp", -1);
+ pdu_str += tmp;
+ }
- tmp = pdu_decode_user_data(pdu_str, pdu, &nr_octets);
- DECODE_FAIL(tmp < 0, "user-data", -1);
- pdu_str += tmp;
- }
+ tmp = pdu_decode_user_data(pdu_str, pdu, &nr_octets);
+ DECODE_FAIL(tmp < 0, "user-data", -1);
+ pdu_str += tmp;
+ }
- pdu->msg_len = (pdu_str - msg_begin) / 2;
+ pdu->msg_len = (pdu_str - msg_begin) / 2;
- log_debug("msg_len: %d", pdu->msg_len);
+ log_debug("msg_len: %d", pdu->msg_len);
- return pdu_str - begin;
+ return pdu_str - begin;
}
int pdu_decode_cdma(const char *pdu_str, struct pdu_info *pdu)
{
- const char *begin = pdu_str;
- const char *msg_begin;
- int tmp;
- int nr_octets;
+ const char *begin = pdu_str;
+ const char *msg_begin;
+ int tmp;
+ int nr_octets;
- memset(pdu, 0, sizeof(*pdu));
+ memset(pdu, 0, sizeof(*pdu));
- //Destination address
- tmp = pdu_decode_addr(pdu_str, &pdu->addr, 1);
- DECODE_FAIL(tmp < 0, "addr", -1);
- pdu_str += tmp;
+ //Destination address
+ tmp = pdu_decode_addr(pdu_str, &pdu->addr, 1);
+ DECODE_FAIL(tmp < 0, "addr", -1);
+ pdu_str += tmp;
- msg_begin = pdu_str;
+ msg_begin = pdu_str;
- STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
+ STRLEN_CHECK(pdu_str, HEX_BYTE_LEN, -1);
- //Timestamp
- tmp = pdu_decode_cdma_timestamp(pdu_str, &pdu->timestamp);
- DECODE_FAIL(tmp < 0, "timestamp", -1);
- pdu_str += tmp;
+ //Timestamp
+ tmp = pdu_decode_cdma_timestamp(pdu_str, &pdu->timestamp);
+ DECODE_FAIL(tmp < 0, "timestamp", -1);
+ pdu_str += tmp;
- //Teleservice ID
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "tele-id-1", -1);
- pdu_str += HEX_BYTE_LEN;
- log_debug("tele-id-1: 0x%02X", tmp);
+ //Teleservice ID
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "tele-id-1", -1);
+ pdu_str += HEX_BYTE_LEN;
+ log_debug("tele-id-1: 0x%02X", tmp);
- pdu->teleservice_id = 0;
- pdu->teleservice_id |= (tmp << 8); // save upper byte of the Teleservice ID
+ pdu->teleservice_id = 0;
+ pdu->teleservice_id |= (tmp << 8); // save upper byte of the Teleservice ID
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "tele-id-2", -1);
- pdu_str += HEX_BYTE_LEN;
- log_debug("tele-id-2: 0x%02X", tmp);
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "tele-id-2", -1);
+ pdu_str += HEX_BYTE_LEN;
+ log_debug("tele-id-2: 0x%02X", tmp);
- pdu->teleservice_id |= (tmp); // save lower byte of the Teleservice ID
- log_debug("tele-id: 0x%04X", pdu->teleservice_id);
+ pdu->teleservice_id |= (tmp); // save lower byte of the Teleservice ID
+ log_debug("tele-id: 0x%04X", pdu->teleservice_id);
- //Priority
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "priority", -1);
- pdu_str += HEX_BYTE_LEN;
- log_debug("priority: 0x%02X", tmp);
+ //Priority
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "priority", -1);
+ pdu_str += HEX_BYTE_LEN;
+ log_debug("priority: 0x%02X", tmp);
- //Data coding scheme
- tmp = hex_byte_decode(pdu_str);
- DECODE_FAIL(tmp < 0, "data-coding-scheme", -1);
- pdu_str += HEX_BYTE_LEN;
- pdu->data_coding.data_coding = tmp;
- log_debug("data-coding-scheme: 0x%02X", pdu->data_coding.data_coding);
+ //Data coding scheme
+ tmp = hex_byte_decode(pdu_str);
+ DECODE_FAIL(tmp < 0, "data-coding-scheme", -1);
+ pdu_str += HEX_BYTE_LEN;
+ pdu->data_coding.data_coding = tmp;
+ log_debug("data-coding-scheme: 0x%02X", pdu->data_coding.data_coding);
- //User Data
- tmp = pdu_decode_user_data(pdu_str, pdu, &nr_octets);
- DECODE_FAIL(tmp < 0, "user-data", -1);
- pdu_str += tmp;
+ //User Data
+ tmp = pdu_decode_user_data(pdu_str, pdu, &nr_octets);
+ DECODE_FAIL(tmp < 0, "user-data", -1);
+ pdu_str += tmp;
- pdu->msg_len = 6 + nr_octets;
+ pdu->msg_len = 6 + nr_octets;
- log_debug("msg_len: %d", pdu->msg_len);
+ log_debug("msg_len: %d", pdu->msg_len);
- return pdu_str - begin;
+ return pdu_str - begin;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 15:12:27 +0000