void aim_direct_connection_initiated(HANDLE hNewConnection, DWORD dwRemoteIP, CAimProto* ppro)//for receiving stuff via dc
{
file_transfer *ft;
char cip[20];
ppro->LOG("Buddy connected from IP: %s", long_ip_to_char_ip(dwRemoteIP, cip));
//okay someone connected to us or we initiated the connection- we need to figure out who they are and if they belong
for (int i=21; --i; )
{
ft = ppro->ft_list.find_by_ip(dwRemoteIP);
if (ft == NULL) ft = ppro->ft_list.find_suitable();
if (ft || Miranda_Terminated()) break;
Sleep(100);
}
if (ft)
{
ft->hConn = hNewConnection;
ppro->aim_dc_helper(ft);
}
else
Netlib_CloseHandle(hNewConnection);
}
HANDLE CAimProto::aim_peer_connect(unsigned long ip, unsigned short port)
{
char ips[20];
long_ip_to_char_ip(ip, ips);
return aim_peer_connect(ips, port);
}
// used when requesting a regular file transfer
int CAimProto::aim_send_file(HANDLE hServerConn, unsigned short &seqno,
unsigned long ip, unsigned short port,
bool force_proxy, file_transfer *ft)
{
char msg_frag[2048];
unsigned short frag_offset = 0;
aim_writeshort(0, frag_offset, msg_frag); // request type
aim_writegeneric(8, ft->icbm_cookie, frag_offset, msg_frag); // icbm cookie
aim_writegeneric(AIM_CAPS_LENGTH, AIM_CAP_FILE_TRANSFER,
frag_offset, msg_frag); // uuid
aim_writetlvshort(0x0a, ++ft->req_num, frag_offset, msg_frag); // request number
aim_writetlvlong(0x02, ip, frag_offset, msg_frag); // ip
aim_writetlvlong(0x16, ~ip, frag_offset, msg_frag); // ip check
aim_writetlvshort(0x05, port, frag_offset, msg_frag); // port
aim_writetlvshort(0x17, ~port, frag_offset, msg_frag); // port ip check
if (force_proxy)
aim_writetlv(0x10, 0, 0, frag_offset, msg_frag); // request proxy transfer
else
aim_writetlvlong(0x03, m_internal_ip, frag_offset, msg_frag); // ip
if (ft->req_num == 1) {
if (ft->message) {
aimString dscr(ft->message);
const char* charset = dscr.isUnicode() ? "unicode-2-0" : "us-ascii";
const unsigned short charset_len = (unsigned short)mir_strlen(charset);
const char* desc_msg = dscr.getBuf();
const unsigned short desc_len = dscr.getSize();
aim_writetlv(0x0e, 2, "en", frag_offset, msg_frag); // language used by the data
aim_writetlv(0x0d, charset_len, charset, frag_offset, msg_frag);// charset used by the data
aim_writetlv(0x0c, desc_len, desc_msg, frag_offset, msg_frag); // invitaion text
}
aim_writetlv(0x0f, 0, 0, frag_offset, msg_frag); // request host check
const char* fname = get_fname(ft->file);
const unsigned short fnlen = (unsigned short)mir_strlen(fname);
char* fblock = (char*)alloca(9 + fnlen);
*(unsigned short*)&fblock[0] = _htons(ft->pfts.totalFiles > 1 ? 2 : 1); // single file transfer
*(unsigned short*)&fblock[2] = _htons(ft->pfts.totalFiles); // number of files
*(unsigned long*)&fblock[4] = _htonl(ft->pfts.totalBytes); // total bytes in files
memcpy(&fblock[8], fname, fnlen + 1);
const char* enc = is_utf(fname) ? "utf-8" : "us-ascii";
aim_writetlv(0x2711, 9 + fnlen, fblock, frag_offset, msg_frag); // extra data, file names, size
aim_writetlv(0x2712, 8, enc, frag_offset, msg_frag); // character set used by data
// aim_writetlvlong64(0x2713,ft->pfts.totalBytes,frag_offset,msg_frag); // file length
debugLogA("Attempting to Send a file to a buddy.");
}
else {
aim_writetlvshort(0x14, 0x0a, frag_offset, msg_frag); // Counter proposal reason
}
unsigned short offset = 0;
unsigned short sn_length = (unsigned short)mir_strlen(ft->sn);
char* buf = (char*)alloca(SNAC_SIZE + TLV_HEADER_SIZE * 2 + 12 + frag_offset + sn_length);
aim_writesnac(0x04, 0x06, offset, buf); // msg to host
aim_writegeneric(8, ft->icbm_cookie, offset, buf); // icbm cookie
aim_writeshort(2, offset, buf); // icbm channel
aim_writechar((unsigned char)sn_length, offset, buf); // screen name length
aim_writegeneric(sn_length, ft->sn, offset, buf); // screen name
aim_writetlv(0x05, frag_offset, msg_frag, offset, buf); // icbm tags
aim_writetlv(0x03, 0, 0, offset, buf); // request ack
char cip[20];
long_ip_to_char_ip(ip, cip);
debugLogA("IP for Buddy to connect to: %s:%u", cip, port);
return aim_sendflap(hServerConn, 0x02, offset, buf, seqno) == 0;
}
