bool pack_plain_text(const std::string &body,
short_msg_p_list::iterator &smsg)
{
// START OF THE SIP PROCESSING
osip_message_t *omsg = smsg->parsed;
// Message body
if (omsg->bodies.node != 0 && omsg->bodies.node->element != 0) {
osip_body_t *bod1 = (osip_body_t *)omsg->bodies.node->element;
osip_free(bod1->body);
bod1->length = body.length();
bod1->body = (char *)osip_malloc (bod1->length+1);
strcpy(bod1->body, body.data());
}
// Let them know that parsed part has been changed.
smsg->parsed_was_changed();
// It's SC->MS now
smsg->ms_to_sc = false;
// Set Content-Type field
const char *type = "text";
const char *subtype = "plain";
osip_free(smsg->parsed->content_type->type);
osip_free(smsg->parsed->content_type->subtype);
smsg->parsed->content_type->type = (char *)osip_malloc (strlen(type)+1);
smsg->parsed->content_type->subtype = (char *)osip_malloc (strlen(subtype)+1);
strcpy(smsg->parsed->content_type->type, type);
strcpy(smsg->parsed->content_type->subtype, subtype);
// Let them know that parsed part has been changed.
smsg->parsed_was_changed();
return true;
}
bool pack_sms_for_delivery(short_msg_p_list::iterator &smsg)
{
bool return_action = true;
std::string msgtext;
if (!smsg->need_repack) {
// Nothing to do.
return true;
}
// Parse message if not parsed yet.
smsg->parse();
// Get message text in plain text form
msgtext = smsg->get_text();
switch (smsg->content_type) {
case short_msg::TEXT_PLAIN:
return_action = pack_text_to_tpdu(msgtext, smsg);
break;
case short_msg::VND_3GPP_SMS:
// No need to recode if it's SC->MS already
if (smsg->ms_to_sc)
{
return_action = recode_tpdu(msgtext, smsg);
}
break;
case short_msg::UNSUPPORTED_CONTENT:
default:
LOG(WARN) << "Unsupported SIP-messages content.";
return false;
}
// Successful repack
if (return_action) {
smsg->need_repack = false;
}
if (ISLOGGING(DEBUG)) {
// Call make_text_valid() is needed for debug only.
smsg->make_text_valid();
LOG(DEBUG) << "Updated SMS message: " << smsg->text;
}
return return_action;
}
void pack_tpdu(short_msg_p_list::iterator &smsg)
{
// Pack RP-DATA to bitstream
RLFrame RPDU_new(smsg->rp_data->bitsNeeded());
smsg->rp_data->write(RPDU_new);
LOG(DEBUG) << "New RLFrame: " << RPDU_new;
// START OF THE SIP PROCESSING
osip_message_t *omsg = smsg->parsed;
// Message body
osip_body_t *bod1 = (osip_body_t *)omsg->bodies.node->element;
osip_free(bod1->body);
ostringstream body_stream;
RPDU_new.hex(body_stream);
bod1->length = body_stream.str().length();
bod1->body = (char *)osip_malloc (bod1->length+1);
strcpy(bod1->body, body_stream.str().data());
// Let them know that parsed part has been changed.
smsg->parsed_was_changed();
// It's SC->MS now
smsg->ms_to_sc = false;
}
void pack_tpdu(short_msg_p_list::iterator &smsg)
{
// Pack RP-DATA to bitstream
RLFrame RPDU_new(BitVector(smsg->rp_data->bitsNeeded()));
smsg->rp_data->write(RPDU_new);
LOG(DEBUG) << "New RLFrame: " << RPDU_new;
// START OF THE SIP PROCESSING
osip_message_t *omsg = smsg->parsed;
// Message body
LOG(DEBUG) << "omsg->bodies.node " << omsg->bodies.node
<< " omsg->bodies.node->element " << omsg->bodies.node->element;
// (pat 10-2014) FIXME: This should use base64 rather than hex encoding, but OpenBTS is the only peer and it doesnt care.
// (harvind 11-2015) I fixed this below. Now using the encoding in the SIP message.
if (omsg->bodies.node != 0 && omsg->bodies.node->element != 0) {
string encoding = "hex"; // (pat) Use hex if other encoding not explicitly specified for backward compatibility.
static const char *cteHeader = "\r\nContent-Transfer-Encoding";
char *contentTransferEncoding = strcasestr(smsg->text,cteHeader);
if (contentTransferEncoding) {
char *cp = contentTransferEncoding + strlen(cteHeader);
while (isspace(*cp) || *cp == ':') { cp++; }
encoding = smsg->scanWord(cp);
}
osip_body_t *bod1 = (osip_body_t *)omsg->bodies.node->element;
osip_free(bod1->body);
string errorMessage;
string packet = RPDU_new.packToString();
string body_stream = encodeToString(packet.data(),packet.size(),encoding,errorMessage);
bod1->length = body_stream.size();
bod1->body = (char *)osip_malloc (bod1->length+1);
strcpy(bod1->body, body_stream.data());
} else {
LOG(DEBUG) << "String length zero";
}
// Let them know that parsed part has been changed.
smsg->parsed_was_changed();
}
void set_to_for_smsc(const char *address, short_msg_p_list::iterator &smsg)
{
osip_message_t *omsg = smsg->parsed;
// Set To field
osip_free(omsg->to->url->username);
osip_free(omsg->to->displayname);
omsg->to->url->username = (char *)osip_malloc (strlen(address)+1);
omsg->to->displayname = (char *)osip_malloc (strlen(omsg->req_uri->username)+1);
strcpy(omsg->to->url->username, address);
strcpy(omsg->to->displayname, omsg->req_uri->username);
// Let them know that parsed part has been changed.
smsg->parsed_was_changed();
}
bool pack_text_to_tpdu(const std::string &body,
short_msg_p_list::iterator &smsg)
{
create_sms_delivery(body, TLUserData(body.data()), smsg);
// Set Content-Type field
const char *type = "application";
const char *subtype = "vnd.3gpp.sms";
osip_free(smsg->parsed->content_type->type);
osip_free(smsg->parsed->content_type->subtype);
smsg->parsed->content_type->type = (char *)osip_malloc (strlen(type)+1);
smsg->parsed->content_type->subtype = (char *)osip_malloc (strlen(subtype)+1);
strcpy(smsg->parsed->content_type->type, type);
strcpy(smsg->parsed->content_type->subtype, subtype);
// Let them know that parsed part has been changed.
smsg->parsed_was_changed();
return true;
}