diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pdu.h | 1 | ||||
| -rw-r--r-- | src/pdu_decode.c | 37 |
2 files changed, 27 insertions, 11 deletions
@@ -54,6 +54,7 @@ enum { PDU_ALPHABET_CDMA_DEFAULT = 2, //7-bit PDU_ALPHABET_EIGHT = 4, PDU_ALPHABET_CDMA_EIGHT = 8, + PDU_ALPHABET_DEFAULT_MULTI = 9, }; struct pdu_info { diff --git a/src/pdu_decode.c b/src/pdu_decode.c index d6ad385..459916c 100644 --- a/src/pdu_decode.c +++ b/src/pdu_decode.c @@ -88,9 +88,6 @@ int pdu_decode_cdma_timestamp(const char *pdu_str, struct tm *tm) { char buf[PDU_CDMA_TIMESTAMP_LEN + 1]; char *cp; - int off_upper; - int off_lower; - int off; STRLEN_CHECK(pdu_str, PDU_CDMA_TIMESTAMP_LEN, -1); @@ -182,6 +179,7 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe 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); @@ -207,9 +205,21 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe } *nr_octets = octet_align(pdu->user_data_len); + } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI) { + //GSM style 8 bit conversion but with UDH multi-part header (LE910-SVG) + log_debug("data coding alphabet is nine"); + + 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; + } + + *nr_octets = octet_align(pdu->user_data_len); } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) { - log_debug("data coding alphabet is cdma default"); + log_debug("data coding alphabet is cdma default"); + // Encoding 02 is 7 bit for LE910-SVG but 8 bit for other CDMA radios if (!strcmp(Global.core.model, "LE910-SVG")) { if (pdu->user_data_len > PDU_UD_7BIT_MAX) { log_warning("pdu contains invalid user-data-len: 0x%02X", pdu->user_data_len); @@ -257,11 +267,13 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe pdu_str += HEX_BYTE_LEN; } - if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) { + if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) || + (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)) { // Keep UDH for concatenated SMS. // Otherwise it is impossible to process correctly concatenated SMS. i = 0; - if (pdu->type.user_data_header) { + if (pdu->type.user_data_header || + (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT_MULTI)) { for (i = 0; i <= octets[0]; ++i) { pdu->user_data[i] = octets[i]; } @@ -272,8 +284,10 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe i++; } } + user_data_start_index = i; for (; i < pdu->user_data_len; i++) { pdu->user_data[i] = decode_septet(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'; } else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) { @@ -296,7 +310,7 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe 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 (strcmp(Global.core.model, "LE910-SVG") && pdu->user_data[i-1] == 0) { + if (strcmp(Global.core.model, "LE910-SVG") && (pdu->user_data[i-1] == 0)) { log_debug("Removing padded char"); i--; pdu->user_data_len--; @@ -310,12 +324,13 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe } //Only for GSM 7-bit character set - if (pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) { - int read = 0; - int store = 0; + if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_DEFAULT) || + (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 = 0; read < pdu->user_data_len; read++) { + for (; read < pdu->user_data_len; read++) { if (pdu->user_data[read] == 0x1B) { //Character from the extended set using the escape char (27) read++; |