--- gateway/gw/smsc/smsc_at2.c 2002-08-11 14:46:55.000000000 +0300 +++ gateway/gw/smsc/smsc_at2.c 2002-08-18 21:06:47.000000000 +0300 @@ -35,13 +35,6 @@ #include "dlr.h" #include "smsc_at2.h" - -static void at2_octstr_destroy(Octstr *ostr) -{ - octstr_destroy(ostr); -} - - static int at2_open_device1(PrivAT2data *privdata) { info(0, "AT2[%s]: opening device", octstr_get_cstr(privdata->name)); @@ -241,6 +234,7 @@ { int count; int s = 0; + int write_count = 0; Octstr *linestr = NULL; linestr = octstr_format("%s\r", line); @@ -248,7 +242,15 @@ debug("bb.smsc.at2", 0, "AT2[%s]: --> %s^M", octstr_get_cstr(privdata->name), line); count = octstr_len(linestr); - s = write(privdata->fd, octstr_get_cstr(linestr), count); + while (1) { + errno = 0; + s = write(privdata->fd, octstr_get_cstr(linestr), count); + if (s < 0 && errno == EAGAIN && write_count < RETRY_SEND) { + gwthread_sleep(1); + ++write_count; + } else + break; + }; O_DESTROY(linestr); if (s < 0) { debug("bb.smsc.at2", 0, "AT2[%s]: write failed with errno %d", @@ -266,9 +268,18 @@ { int s; char *ctrlz = "\032" ; - + int write_count = 0; + debug("bb.smsc.at2", 0, "AT2[%s]: --> ^Z", octstr_get_cstr(privdata->name)); - s = write(privdata->fd, ctrlz, 1); + while (1) { + errno = 0; + s = write(privdata->fd, ctrlz, 1); + if (s < 0 && errno == EAGAIN && write_count < RETRY_SEND) { + gwthread_sleep(1); + ++write_count; + } else + break; + }; if (s < 0) { debug("bb.smsc.at2", 0, "AT2[%s]: write failed with errno %d", octstr_get_cstr(privdata->name), errno); @@ -430,7 +441,7 @@ ts = list_search(vals, octstr_imm("1"), (void*) octstr_item_match); if (ts) privdata->phase2plus = 1; - list_destroy(vals, (void*) at2_octstr_destroy); + list_destroy(vals, octstr_destroy_item); } if (privdata->phase2plus) { info(0, "AT2[%s]: Phase 2+ is supported", octstr_get_cstr(privdata->name)); @@ -470,7 +481,7 @@ int at2_wait_modem_command(PrivAT2data *privdata, time_t timeout, int gt_flag, - int *messages_collected) + int *output) { Octstr *line = NULL; Octstr *line2 = NULL; @@ -523,7 +534,8 @@ ret = 1; goto end; } - if (octstr_search(line, octstr_imm("+CMT:"), 0) != -1 || + if (octstr_search(line, octstr_imm("+CMT:"), 0) != -1 || + octstr_search(line, octstr_imm("+CDS:"), 0) != -1 || ((octstr_search(line, octstr_imm("+CMGR:"), 0) != -1) && (cmgr_flag = 1)) ) { line2 = at2_wait_line(privdata, 1, 0); @@ -541,8 +553,8 @@ octstr_get_cstr(privdata->name)); } else { /* count message even if I can't decode it */ - if (messages_collected) - ++(*messages_collected); + if (output) + ++(*output); msg = at2_pdu_decode(pdu, privdata); if (msg != NULL) { msg->sms.smsc_id = octstr_duplicate(privdata->conn->id); @@ -559,6 +571,14 @@ } continue; } + if ((octstr_search(line, octstr_imm("+CMGS:"),0) != -1) && (output)) { + /* found response to a +CMGS command, read the message id and return it in output */ + long temp; + if (octstr_parse_long(&temp, line, octstr_search(line, octstr_imm("+CMGS:"),0)+6,10) == -1) + error(0,"AT2[%s]: got +CMGS but failed to read message id", octstr_get_cstr(privdata->name)); + else + *output = temp; + } if ( -1 != octstr_search(line, octstr_imm("ERROR"), 0)) { ret = -1; @@ -914,6 +934,15 @@ conn->status = SMSCCONN_DISCONNECTED; /* maybe some cleanup here? */ at2_destroy_modem(privdata->modem); + octstr_destroy(privdata->device); + octstr_destroy(privdata->ilb); + octstr_destroy(privdata->lines); + octstr_destroy(privdata->pin); + octstr_destroy(privdata->validityperiod); + octstr_destroy(privdata->my_number); + octstr_destroy(privdata->sms_center); + octstr_destroy(privdata->name); + octstr_destroy(privdata->configfile); gw_free(conn->data); conn->data = NULL; conn->why_killed = SMSCCONN_KILLED_SHUTDOWN; @@ -1107,25 +1149,30 @@ buffer = octstr_duplicate(line); /* find the beginning of a message from the modem*/ - if ((pos = octstr_search(buffer, octstr_imm("+CMT:"), 0)) != -1) - pos += 5; - else if ((pos = octstr_search(buffer, octstr_imm("+CMGR:"), 0)) != -1) { - pos += 6; - if ((pos = octstr_search(buffer, octstr_imm(","), pos)) != -1) - /* skip status field in +CMGR response */ - pos++; - else - goto nomsg; - } else - goto nomsg; - tmp = octstr_search(buffer, octstr_imm(","), pos); - if (! privdata->modem->broken && tmp == -1) - goto nomsg; - if (tmp != -1) - pos = tmp + 1; + if ((pos = octstr_search(buffer, octstr_imm("+CDS:"), 0)) != -1) + pos += 5; + else { + if ((pos = octstr_search(buffer, octstr_imm("+CMT:"), 0)) != -1) + pos += 5; + else if ((pos = octstr_search(buffer, octstr_imm("+CMGR:"), 0)) != -1) { + /* skip status field in +CMGR response */ + if ((pos = octstr_search(buffer, octstr_imm(","), pos + 6)) != -1) + pos++; + else + goto nomsg; + } else + goto nomsg; + + /* skip the next comma in CMGR and CMT responses */ + tmp = octstr_search(buffer, octstr_imm(","), pos); + if (! privdata->modem->broken && tmp == -1) + goto nomsg; + if (tmp != -1) + pos = tmp + 1; + } - /* The message length is after the comma */ + /* read the message length */ pos = octstr_parse_long(&len, buffer, pos, 10); if (pos == -1) goto nomsg; @@ -1183,6 +1230,9 @@ case AT_DELIVER_SM: msg = at2_pdu_decode_deliver_sm(data, privdata); break; + case AT_STATUS_REPORT_SM: + msg = at2_pdu_decode_report_sm(data, privdata); + break; /* Add other message types here: */ @@ -1354,6 +1404,112 @@ return message; } +Msg *at2_pdu_decode_report_sm(Octstr *data, PrivAT2data *privdata) +{ + Msg* dlrmsg = NULL; + Octstr *pdu, *msg_id, *tmpstr = NULL, *receiver = NULL; + int type, tp_mr, len, ntype, pos; + + /* + * parse the PDU. + */ + + /* convert the pdu to binary format for ease of processing */ + pdu = at2_convertpdu(data); + + /* Message reference */ + tp_mr = octstr_get_char(pdu,1); + msg_id = octstr_format("%d",tp_mr); + debug("bb.smsc.at2",0,"AT2[%s]: got STATUS-REPORT for message <%d>:", octstr_get_cstr(privdata->name), tp_mr); + + /* reciver address */ + len = octstr_get_char(pdu, 2); + ntype = octstr_get_char(pdu, 3); + + pos = 4; + if ((ntype & 0xD0) == 0xD0) { + /* Alphanumeric sender */ + receiver = octstr_create(""); + tmpstr = octstr_copy(pdu, pos, (len+1)/2); + at2_decode7bituncompressed(tmpstr, (((len - 1) * 4 - 3) / 7) + 1, receiver, 0); + octstr_destroy(tmpstr); + debug("bb.smsc.at2", 0, "AT2[%s]: Alphanumeric receiver <%s>", + octstr_get_cstr(privdata->name), octstr_get_cstr(receiver)); + pos += (len + 1) / 2; + } else { + int i; + receiver = octstr_create(""); + if ((ntype & 0x90) == 0x90) { + /* International number */ + octstr_append_char(receiver, '+'); + } + for (i = 0; i < len; i += 2, pos++) { + octstr_append_char(receiver, (octstr_get_char(pdu, pos) & 15) + 48); + if (i + 1 < len) + octstr_append_char(receiver, (octstr_get_char(pdu, pos) >> 4) + 48); + } + debug("bb.smsc.at2", 0, "AT2[%s]: Numeric receiver %s <%s>", + octstr_get_cstr(privdata->name), ((ntype & 0x90) == 0x90 ? "(international)" : ""), + octstr_get_cstr(receiver)); + } + + pos += 14; /* skip time stamps for now */ + + if ((type = octstr_get_char(pdu, pos)) == -1 ) { + error(1,"AT2[%s]: STATUS-REPORT pdu too short to have TP-Status field !", + octstr_get_cstr(privdata->name)); + goto error; + } + + /* check DLR type: + * 3GPP TS 23.040 defines this a bit mapped field with lots of options + * most of which are not really intersting to us, as we are only interested + * in one of three conditions : failed, held in SC for delivery later, or delivered successfuly + * and here's how I suggest to test it (read the 3GPP reference for further detailes) - + * we'll test the 6th and 5th bits (7th bit when set making all other values 'reseved' so I want to test it). + */ + type = type & 0xE0; /* filter out everything but the 7th, 6th and 5th bits */ + switch (type) { + case 0x00: + /* 0 0 : success class */ + type = DLR_SUCCESS; + tmpstr = octstr_create("Success/"); + break; + case 0x20: + /* 0 1 : buffered class (temporary error) */ + type = DLR_BUFFERED; + tmpstr = octstr_create("Buffered/"); + break; + case 0x40: + case 0x60: + default: + /* 1 0 : failed class */ + /* 1 1 : failed class (actually, temporary error but timed out) */ + /* and any other value (can't think of any) is considered failure */ + type = DLR_FAIL; + tmpstr = octstr_create("Failed/"); + break; + } + /* Actually, the above implementation is not correct, as the reference says that implementations should consider + * any "reserved" values to be "failure", but most reserved values fall into one of the three categories. it will catch + * "reserved" values where the first 3 MSBits are not set as "Success" which may not be correct. */ + + if ((dlrmsg = dlr_find(octstr_get_cstr(privdata->conn->id), + octstr_get_cstr(msg_id), octstr_get_cstr(receiver), type)) == NULL) { + debug("bb.smsc.at2",1,"AT2[%s]: Received delivery notification but can't find that ID in the DLR storage", + octstr_get_cstr(privdata->name)); + goto error; + } + + octstr_insert(dlrmsg->sms.msgdata, tmpstr, 0); + +error: + O_DESTROY(tmpstr); + O_DESTROY(pdu); + O_DESTROY(receiver); + O_DESTROY(msg_id); + return dlrmsg; +} Octstr *at2_convertpdu(Octstr *pdutext) { @@ -1434,7 +1590,7 @@ void at2_send_one_message(PrivAT2data *privdata, Msg *msg) { - unsigned char command[500], pdu[500]; + unsigned char command[500]; int ret = -1; char sc[3]; int retries = RETRY_SEND; @@ -1456,18 +1612,24 @@ strcpy(sc, "00"); if (msg_type(msg) == sms) { - at2_pdu_encode(msg, &pdu[0], privdata); + Octstr* pdu; + + if ((pdu = at2_pdu_encode(msg, privdata)) == NULL) { + error(2, "AT2[%s]: Error encoding PDU!",octstr_get_cstr(privdata->name)); + return; + } ret = -99; retries = RETRY_SEND; while ((ret != 0) && (retries-- > 0)) { + int msg_id = -1; /* * send the initial command and then wait for > */ - sprintf(command, "AT+CMGS=%d", strlen(pdu) / 2); + sprintf(command, "AT+CMGS=%ld", octstr_len(pdu) / 2); ret = at2_send_modem_command(privdata, command, 5, 1); - debug("bb.at", 0, "AT2[%s]: send command status: %d", + debug("bb.smsc.at2", 0, "AT2[%s]: send command status: %d", octstr_get_cstr(privdata->name), ret); if (ret != 1) /* > only! */ @@ -1476,22 +1638,83 @@ * ok the > has been see now so we can send the PDU now and a * control Z but no CR or LF */ - sprintf(command, "%s%s", sc, pdu); + sprintf(command, "%s%s", sc, octstr_get_cstr(pdu)); at2_write(privdata, command); at2_write_ctrlz(privdata); /* wait 20 secs for modem command */ - ret = at2_wait_modem_command(privdata, 20, 0, NULL); - debug("bb.at", 0, "AT2[%s]: send command status: %d", + ret = at2_wait_modem_command(privdata, 20, 0, &msg_id); + debug("bb.smsc.at2", 0, "AT2[%s]: send command status: %d", octstr_get_cstr(privdata->name), ret); if (ret != 0) /* OK only */ continue; + + /* gen DLR_SMSC_SUCCESS */ + if (msg->sms.dlr_mask & DLR_SMSC_SUCCESS) + { + Msg* dlrmsg; + + dlrmsg = msg_create(sms); + dlrmsg->sms.id = msg->sms.id; + dlrmsg->sms.service = octstr_duplicate(msg->sms.service); + dlrmsg->sms.dlr_mask = DLR_SMSC_SUCCESS; + dlrmsg->sms.sms_type = report; + dlrmsg->sms.smsc_id = octstr_duplicate(privdata->conn->id); + dlrmsg->sms.sender = octstr_duplicate(msg->sms.receiver); + dlrmsg->sms.receiver = octstr_duplicate(msg->sms.sender); + dlrmsg->sms.msgdata = octstr_create("ACK/"); + octstr_append(dlrmsg->sms.msgdata,msg->sms.dlr_url); + time(&dlrmsg->sms.time); + + debug("bb.smsc.at2",0,"AT2[%s]: sending DLR type ACK", octstr_get_cstr(privdata->name)); + bb_smscconn_receive(privdata->conn, dlrmsg); + + } + + /* store DLR message if needed for SMSC generated delivery reports */ + if (msg->sms.dlr_mask & (DLR_SUCCESS | DLR_FAIL | DLR_BUFFERED)) { + if (msg_id == -1) + error(0,"AT2[%s]: delivery notification requested, but I have no message ID!", + octstr_get_cstr(privdata->name)); + else { + Octstr* dlrmsgid = octstr_format("%d", msg_id); + + dlr_add(octstr_get_cstr(privdata->conn->id), + octstr_get_cstr(dlrmsgid), + octstr_get_cstr(msg->sms.receiver), + octstr_get_cstr(msg->sms.service), + octstr_get_cstr(msg->sms.dlr_url), + msg->sms.dlr_mask); + + O_DESTROY(dlrmsgid); + } + } + counter_increase(privdata->conn->sent); bb_smscconn_sent(privdata->conn, msg); } if (ret != 0) { + /* gen DLR_SMSC_FAIL */ + if (msg->sms.dlr_mask & DLR_SMSC_FAIL) { + Msg* dlrmsg; + + dlrmsg = msg_create(sms); + dlrmsg->sms.service = octstr_duplicate(msg->sms.service); + dlrmsg->sms.dlr_mask = DLR_SMSC_FAIL; + dlrmsg->sms.sms_type = report; + dlrmsg->sms.smsc_id = octstr_duplicate(privdata->conn->id); + dlrmsg->sms.sender = octstr_duplicate(msg->sms.receiver); + dlrmsg->sms.receiver = octstr_duplicate(msg->sms.sender); + dlrmsg->sms.msgdata = octstr_create("NACK/"); + octstr_append(dlrmsg->sms.msgdata,msg->sms.dlr_url); + time(&dlrmsg->sms.time); + + debug("bb.smsc.at2",0,"AT2[%s]: sending DLR type NACK", octstr_get_cstr(privdata->name)); + bb_smscconn_receive(privdata->conn, dlrmsg); + } + /* * no need to do counter_increase(privdata->conn->failed) here, * since bb_smscconn_send_failed() will inc the counter on @@ -1499,107 +1722,47 @@ */ bb_smscconn_send_failed(privdata->conn, msg, SMSCCONN_FAILED_MALFORMED); } + + O_DESTROY(pdu); } } -int at2_pdu_encode(Msg *msg, unsigned char *pdu, PrivAT2data *privdata) +Octstr* at2_pdu_encode(Msg *msg, PrivAT2data *privdata) { - int pos = 0, i, len, setvalidity = 0; - int ntype = PNT_UNKNOWN; /* number type default */ - int nstartpos = 0; /* offset for the phone number */ - int dcs; /* data coding scheme (GSM 03.38) */ - - /* - * The message is encoded directly in the text representation of - * the hex values that will be sent to the modem. - * Each octet is coded with two characters. + /* + * Message coding is done as a binary octet string, + * as per 3GPP TS 23.040 specification (GSM 03.40), */ + Octstr *pdu = NULL, *temp = NULL, *buffer = octstr_create(""); + + int len, setvalidity = 0; /* - * message type SUBMIT - * 01010001 = 0x51 indicating add. UDH, TP-VP(Rel) & MSG_SUBMIT - * or 00010001 = 0x11 for just TP-VP(Rel) & MSG_SUBMIT + * message type SUBMIT , bit mapped : + * bit7 .. bit0 + * TP-RP , TP-UDHI, TP-SRR, TP-VPF(4), TP-VPF(3), TP-RD, TP-MTI(1), TP-MTI(0) */ - - pdu[pos] = octstr_len(msg->sms.udhdata) ? at2_numtext(5) : at2_numtext(1); - pos++; - pdu[pos] = at2_numtext(AT_SUBMIT_SM); - pos++; + octstr_append_char(buffer, + ((msg->sms.rpi ? 1 : 0) << 7) /* TP-RP */ + | ((octstr_len(msg->sms.udhdata) ? 1 : 0) << 6) /* TP-UDHI */ + | (((msg->sms.dlr_mask & (DLR_SUCCESS | DLR_FAIL | DLR_BUFFERED)) ? 1 : 0) << 5) /* TP-SRR */ + | 16 /* TP-VP(Rel)*/ + | 1 /* TP-MTI: SUBMIT_SM */ + ); /* message reference (0 for now) */ - pdu[pos] = at2_numtext(0); - pos++; - pdu[pos] = at2_numtext(0); - pos++; + octstr_append_char(buffer, 0); /* destination address */ - octstr_strip_blanks(msg->sms.receiver); /* strip blanks before length calculation */ - len = octstr_len(msg->sms.receiver); - - /* - * Check for international numbers - * number starting with '+' or '00' are international, - * others are national. - */ - if (strncmp(octstr_get_cstr(msg->sms.receiver), "+", 1) == 0) { - debug("bb.smsc.at2", 0, "AT2[%s]: international starting with + (%s)", - octstr_get_cstr(privdata->name), octstr_get_cstr(msg->sms.receiver)); - nstartpos++; - ntype = PNT_INTER; /* international */ - } else if (strncmp(octstr_get_cstr(msg->sms.receiver), "00", 2) == 0) { - debug("bb.smsc.at2", 0, "AT2[%s]: international starting with 00 (%s)", - octstr_get_cstr(privdata->name), octstr_get_cstr(msg->sms.receiver)); - nstartpos += 2; - ntype = PNT_INTER; /* international */ - } - - /* address length */ - pdu[pos] = at2_numtext(((len - nstartpos) & 240) >> 4); - pos++; - pdu[pos] = at2_numtext((len - nstartpos) & 15); - pos++; - - /* Type of number */ - pdu[pos] = at2_numtext(8 + ntype); - pos++; - /* numbering plan: ISDN/Telephone numbering plan */ - pdu[pos] = at2_numtext(1); - pos++; - - /* - * make sure there is no blank in the phone number and encode - * an even number of digits - */ - octstr_strip_blanks(msg->sms.receiver); - for (i = nstartpos; i < len; i += 2) { - if (i + 1 < len) { - pdu[pos] = octstr_get_char(msg->sms.receiver, i + 1); - } else { - pdu[pos] = at2_numtext (15); - } - pos++; - pdu[pos] = octstr_get_char(msg->sms.receiver, i); - pos++; - } - - /* - * protocol identifier - * 0x00 implicit - */ - pdu[pos] = at2_numtext((msg->sms.pid & 240) >> 4); - pos++; - pdu[pos] = at2_numtext(msg->sms.pid & 15); - pos++; - - /* data coding scheme */ - dcs = fields_to_dcs(msg, - (msg->sms.alt_dcs ? 2 - msg->sms.alt_dcs : privdata->alt_dcs)); - - pdu[pos] = at2_numtext(dcs >> 4); - pos++; - pdu[pos] = at2_numtext(dcs % 16); - pos++; + if ((temp = at2_format_address_field(msg->sms.receiver)) == NULL) + goto error; + octstr_append(buffer, temp); + O_DESTROY(temp); + + octstr_append_char(buffer, msg->sms.pid); /* protocol identifier */ + octstr_append_char(buffer, fields_to_dcs(msg, /* data coding scheme */ + (msg->sms.alt_dcs ? 2 - msg->sms.alt_dcs : privdata->alt_dcs))); /* * Validity-Period (TP-VP) @@ -1641,10 +1804,7 @@ else debug("bb.smsc.at2", 0, "AT2[%s]: TP-Validity-Period: %d weeks", octstr_get_cstr(privdata->name), (setvalidity - 192)); - pdu[pos] = at2_numtext((setvalidity & 240) >> 4); - pos++; - pdu[pos] = at2_numtext(setvalidity & 15); - pos++; + octstr_append_char(buffer, setvalidity); /* user data length - include length of UDH if it exists */ len = sms_msgdata_len(msg); @@ -1652,6 +1812,10 @@ if (octstr_len(msg->sms.udhdata)) { if (msg->sms.coding == DC_8BIT || msg->sms.coding == DC_UCS2) { len += octstr_len(msg->sms.udhdata); + if (len > SMS_8BIT_MAX_LEN) { /* truncate user data to allow UDH to fit */ + octstr_delete(msg->sms.msgdata, SMS_8BIT_MAX_LEN - octstr_len(msg->sms.udhdata), 9999); + len = SMS_8BIT_MAX_LEN; + } } else { /* * The reason we branch here is because UDH data length is determined @@ -1659,140 +1823,102 @@ * will ensure that for an octet length of 0, we get septet length 0, * and for octet length 1 we get septet length 2. */ - len += (((8 * octstr_len(msg->sms.udhdata)) + 6) / 7); + int temp_len; + len += (temp_len = (((8 * octstr_len(msg->sms.udhdata)) + 6) / 7)); + if (len > SMS_7BIT_MAX_LEN) { /* truncate user data to allow UDH to fit */ + octstr_delete(msg->sms.msgdata, SMS_7BIT_MAX_LEN - temp_len, 9999); + len = SMS_7BIT_MAX_LEN; + } } } - pdu[pos] = at2_numtext((len & 240) >> 4); - pos++; - pdu[pos] = at2_numtext(len & 15); - pos++; + octstr_append_char(buffer,len); - /* udh */ - if (octstr_len(msg->sms.udhdata)) { - pos += at2_encode8bituncompressed(msg->sms.udhdata, &pdu[pos]); - } + if (octstr_len(msg->sms.udhdata)) /* udh */ + octstr_append(buffer, msg->sms.udhdata); - /* - * user data - * if the data is too long, it is cut - */ + /* user data */ if (msg->sms.coding == DC_8BIT || msg->sms.coding == DC_UCS2) { - pos += at2_encode8bituncompressed(msg->sms.msgdata, &pdu[pos]); + octstr_append(buffer, msg->sms.msgdata); } else { int offset = 0; + /* + * calculate the number of fill bits needed to align + * the 7bit encoded user data on septet boundry + */ if (octstr_len(msg->sms.udhdata)) { /* Have UDH */ int nbits = octstr_len(msg->sms.udhdata) * 8; /* Includes UDH length byte */ offset = (((nbits / 7) + 1) * 7 - nbits) % 7; /* Fill bits */ } - pos += at2_encode7bituncompressed(msg->sms.msgdata, &pdu[pos], offset); + + charset_latin1_to_gsm(msg->sms.msgdata); + + if ((temp = at2_encode7bituncompressed(msg->sms.msgdata, offset)) != NULL) + octstr_append(buffer, temp); + O_DESTROY(temp); } - pdu[pos] = 0; - return 0; + /* convert PDU to HEX representation suitable for the AT2 command set */ + pdu = at2_encode8bituncompressed(buffer); + O_DESTROY(buffer); + + return pdu; +error: + O_DESTROY(temp); + O_DESTROY(buffer); + O_DESTROY(pdu); + return NULL; } -int at2_encode7bituncompressed(Octstr *input, unsigned char *encoded, int offset) +Octstr* at2_encode7bituncompressed(Octstr *source, int offset) { - - unsigned char prevoctet, tmpenc; - int i; - int c = 1; - int r = 7; - int pos = 0; - int len; - unsigned char enc7bit[256]; - int j, encpos = 0; - int ermask[8] = { 0, 1, 3, 7, 15, 31, 63, 127 }; - int elmask[8] = { 0, 64, 96, 112, 120, 124, 126, 127 }; - - charset_latin1_to_gsm(input); - len = octstr_len(input); - - /* - * prevoctet is set to the first character and we'll start the loop - * at the following char. - */ - prevoctet = octstr_get_char(input , 0); - for (i = 1; i < octstr_len(input); i++) { - /* - * a byte is encoded with what is left of the previous character - * and filled with as much as possible of the current one. - */ - tmpenc = prevoctet + ((octstr_get_char(input, i) & ermask[c]) << r); - enc7bit[encpos] = tmpenc; - encpos++; - c = (c > 6) ? 1 : c + 1; - r = (r < 2) ? 7 : r - 1; - - /* - * prevoctet becomes the part of the current octet that hasn't - * been copied to 'encoded' or the next char if the current has - * been completely copied already. - */ - prevoctet = (octstr_get_char(input, i) & elmask[r]) >> (c - 1); - if (r == 7) { - i++; - prevoctet = octstr_get_char(input, i); - } - } - - /* - * if the length of the message is a multiple of 8 then we - * are finished. Otherwise prevoctet still contains part of a - * character so we add it. - */ - if ((len / 8)*8 != len) { - enc7bit[encpos] = prevoctet; - encpos++; + int LSBmask[8] = { 0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F }; + int MSBmask[8] = { 0x00, 0x40, 0x60, 0x70, 0x78, 0x7C, 0x7E, 0x7F }; + int i = (offset?8-offset:7), iStore = offset; + int posT, posS; + Octstr *target = octstr_create(""); + int target_chr = 0, source_chr; + + /* start packing the septet stream into an octet stream */ + for (posS = 0, posT = 0; (source_chr = octstr_get_char(source, posS++)) != -1;) { + /* grab least significant bits from current septet and store them packed to the right */ + target_chr |= (source_chr & LSBmask[i]) << iStore; + /* store current byte if last command filled it */ + if (iStore != 0) { + octstr_append_char(target, target_chr); + target_chr = 0; + } + /* grab most significant bits from current septet and store them packed to the left */ + target_chr |= (source_chr & MSBmask[7 - i]) >> (8 - iStore) % 8; + /* advance target bit index by 7 ( modulo 8 addition ) */ + iStore = (--iStore < 0 ? 7 : iStore); + if (iStore != 0) /* if just finished packing 8 septets (into 7 octets) don't advance mask index */ + i = (++i > 7 ? 1 : i); } - /* Now shift the buffer by the offset */ - if (offset > 0) { - unsigned char nextdrop, lastdrop; - - nextdrop = lastdrop = 0; - for (i = 0; i < encpos; i++) { - nextdrop = enc7bit[i] >> (8 - offset); /* This drops off by shifting */ - if (i == 0) - enc7bit[i] = enc7bit[i] << offset; /* This drops off by shifting */ - else - enc7bit[i] = (enc7bit[i] << offset) | lastdrop; - lastdrop = nextdrop; - } - - if (offset > ((len*7) % 8)) { - enc7bit [i] = nextdrop; - i++; - } - } else - i = encpos; - - for (j = 0; j < i; j++) { - encoded[pos] = at2_numtext((enc7bit [j] & 240) >> 4); - pos++; - encoded[pos] = at2_numtext(enc7bit [j] & 15); - pos++; - } - return pos; + /* don't forget to pack the leftovers ;-) */ + if (target_chr) + octstr_append_char(target, target_chr); + return target; } -int at2_encode8bituncompressed(Octstr *input, unsigned char *encoded) +Octstr* at2_encode8bituncompressed(Octstr *input) { int len, i; + Octstr* out = octstr_create(""); len = octstr_len(input); for (i = 0; i < len; i++) { /* each character is encoded in its hex representation (2 chars) */ - encoded[i*2] = at2_numtext((octstr_get_char(input, i) & 240) >> 4); - encoded[i*2 + 1] = at2_numtext(octstr_get_char(input, i) & 15); + octstr_append_char(out, at2_numtext( (octstr_get_char(input, i) & 0xF0) >> 4)); + octstr_append_char(out, at2_numtext( (octstr_get_char(input, i) & 0x0F))); } - return len*2; + return out; } @@ -1949,7 +2075,7 @@ ts = list_search(vals, octstr_imm("1"), (void*) octstr_item_match); if (ts) privdata->phase2plus = 1; - list_destroy(vals, (void*) at2_octstr_destroy); + list_destroy(vals, octstr_destroy_item); } if (privdata->phase2plus) info(0, "AT2[%s]: Phase 2+ is supported", octstr_get_cstr(privdata->name)); @@ -2028,7 +2154,7 @@ modem->init_string = cfg_get(grp, octstr_imm("init-string")); if (modem->init_string == NULL) - modem->init_string = octstr_create("AT+CNMI=1,2,0,0,0"); + modem->init_string = octstr_create("AT+CNMI=1,2,0,1,0"); modem->speed = 9600; cfg_get_integer(&modem->speed, grp, octstr_imm("speed")); @@ -2092,3 +2218,46 @@ return ( ( byte & 15 ) * 10 ) + ( byte >> 4 ); } +Octstr* at2_format_address_field(Octstr* msisdn) +{ + int ntype; + Octstr* out = octstr_create(""); + Octstr* temp = octstr_duplicate(msisdn); + + octstr_strip_blanks(temp); + /* + * Check for international numbers + * number starting with '+' or '00' are international, + * others are national. + */ + if (strncmp(octstr_get_cstr(msisdn), "+", 1) == 0) { + octstr_delete(temp, 0, 1); + ntype = PNT_INTER; /* international */ + } else if (strncmp(octstr_get_cstr(msisdn), "00", 2) == 0) { + octstr_delete(temp, 0, 2); + ntype = PNT_INTER; /* international */ + } + + /* address length */ + octstr_append_char(out, octstr_len(temp)); + + /* Type of address : bit mapped values */ + octstr_append_char(out, 0x80 /* Type-of-address prefix */ | + 0x01 /* Numbering-plan: MSISDN */ | + (ntype == PNT_INTER ? 0x10 : 0x00) /* Type-of-number: International or National */ + ); + + /* grab the digits from the MSISDN and encode as swapped semi-octets */ + while (octstr_len(temp)) { + int digit1, digit2; + /* get the first two digit */ + digit1 = octstr_get_char(temp,0) - 48; + if ((digit2 = octstr_get_char(temp,1) - 48) < 0) + digit2 = 0x0F; + octstr_append_char(out, (digit2 << 4) | digit1); + octstr_delete(temp, 0, 2); + } + + O_DESTROY(temp); + return out; +} --- gateway/gw/smsc/smsc_at2.h 2002-08-11 14:46:56.000000000 +0300 +++ gateway/gw/smsc/smsc_at2.h 2002-08-13 14:55:49.000000000 +0300 @@ -19,6 +19,7 @@ /* Message types defines */ #define AT_DELIVER_SM 0 #define AT_SUBMIT_SM 1 +#define AT_STATUS_REPORT_SM 2 /* type of phone number defines */ #define PNT_UNKNOWN 0 @@ -164,7 +165,7 @@ * Waits for the modem to send us something. */ int at2_wait_modem_command(PrivAT2data *privdata, time_t timeout, - int greaterflag, int* messages_collected); + int greaterflag, int* output); /* * Sets the serial port speed on the device @@ -209,6 +211,11 @@ Msg *at2_pdu_decode_deliver_sm(Octstr *data, PrivAT2data *privdata); /* + * Decode a SUBMIT-REPORT PDU + */ +Msg *at2_pdu_decode_report_sm(Octstr *data, PrivAT2data *privdata); + +/* * Converts the text representation of hexa to binary */ Octstr *at2_convertpdu(Octstr *pdutext); @@ -233,18 +240,17 @@ /* * Encode a Msg into a PDU */ -int at2_pdu_encode(Msg *msg, unsigned char *pdu, PrivAT2data *privdata); +Octstr* at2_pdu_encode(Msg *msg, PrivAT2data *privdata); /* - * Encode 7bit uncompressed user data + * Encode 7bit uncompressed user data into an Octstr, prefixing with 0 bits */ -int at2_encode7bituncompressed(Octstr *input, unsigned char *encoded, - int offset); +Octstr* at2_encode7bituncompressed(Octstr *input, int offset); /* - * Encode 8bit uncompressed user data + * Encode 8bit uncompressed user data into an Octstr */ -int at2_encode8bituncompressed(Octstr *input, unsigned char *encoded); +Octstr* at2_encode8bituncompressed(Octstr *input); /* * Code a half-byte to its text hexa representation @@ -295,6 +301,11 @@ */ int swap_nibbles(char byte); +/* + * creates a buffer with a valid PDU address field as per [GSM 03.40] + * from an MSISDN number + */ +Octstr* at2_format_address_field(Octstr* msisdn); #endif /* SMSC_AT2_H */ --- gateway/gw/sms.h 2002-01-27 02:16:10.000000000 +0200 +++ gateway/gw/sms.h 2002-08-13 14:53:03.000000000 +0300 @@ -53,6 +53,10 @@ #define DC_8BIT 2 #define DC_UCS2 3 +#define SMS_7BIT_MAX_LEN 160 +#define SMS_8BIT_MAX_LEN 140 +#define SMS_UCS2_MAX_LEN 70 + /* Encode DCS using sms fields * mode = 0= encode using 00xxxxxx, 1= encode using 1111xxxx mode */ --- gateway/doc/userguide/userguide.xml 2002-08-18 13:02:38.000000000 +0300 +++ gateway/doc/userguide/userguide.xml 2002-08-18 13:04:53.000000000 +0300 @@ -2871,8 +2871,7 @@ Polling the memory is done at the same interval as keepalive (if set) or 60 seconds (if not set). NOTE: This behaviour is known to cause minor or major hicups for a few buggy modems. - A modem known not to like this setting is Siemens M20. - A modem known to work with this setting is Wavecom. + Modems known to work with this setting are Wavecom WM02/M1200 and the Siemens M20. @@ -2928,8 +2927,8 @@ init-string string - Optional initialization string. Defaults to - "AT+CNMI=1,2,0,0,0" + Optional initialization string. Defaults to + "AT+CNMI=1,2,0,1,0" speed @@ -3011,6 +3010,17 @@ + + A note about delivery reports and GSM modems: + while it is possible (and supported) to receive delivery reports on GSM + modems, it may not work for you. if you encounter problems, check that your + modem's init string (if not the default) is set to correctly allow the modem + to send delivery reports using unsolicted notification (check your modem's + manual). If the init-string is not set as si, some modems will store delivery + reports to SIM memory, to get at which you will need to enable sim-buffering. + finally your GSM network provider may not support delivery reports to mobile + units. +