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/*
Plugin of Miranda IM for communicating with users of the AIM protocol.
Copyright (c) 2008-2009 Boris Krasnovskiy
Copyright (C) 2005-2006 Aaron Myles Landwehr
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "aim.h"
#include "packets.h"
int aim_writesnac(unsigned short service, unsigned short subgroup,unsigned short &offset, char* out, unsigned short id)
{
snac_header *snac = (snac_header*)&out[offset];
snac->service=_htons(service);
snac->subgroup=_htons(subgroup);
snac->flags=0;
snac->request_id[0]=_htons(id);
snac->request_id[1]=_htons(subgroup);
offset+=sizeof(snac_header);
return 0;
}
int aim_writetlv(unsigned short type,unsigned short length, const char* value,unsigned short &offset,char* out)
{
TLV tlv(type,length,value);
offset += tlv.whole(&out[offset]);
return 0;
}
int aim_writetlvchar(unsigned short type, unsigned char value, unsigned short &offset, char* out)
{
return aim_writetlv(type, sizeof(value), (char*)&value, offset, out);
}
int aim_writetlvshort(unsigned short type, unsigned short value, unsigned short &offset, char* out)
{
value = _htons(value);
return aim_writetlv(type, sizeof(value), (char*)&value, offset, out);
}
int aim_writetlvlong(unsigned short type, unsigned long value, unsigned short &offset, char* out)
{
value = _htonl(value);
return aim_writetlv(type, sizeof(value), (char*)&value, offset, out);
}
int aim_writetlvlong64(unsigned short type, unsigned __int64 value, unsigned short &offset, char* out)
{
value = _htonl64(value);
return aim_writetlv(type, sizeof(value), (char*)&value, offset, out);
}
int CAimProto::aim_sendflap(HANDLE hServerConn, char type,unsigned short length,const char *buf, unsigned short &seqno)
{
EnterCriticalSection(&SendingMutex);
const int slen = FLAP_SIZE + length;
char* obuf = (char*)alloca(slen);
flap_header *flap = (flap_header*)obuf;
flap->ast = '*';
flap->type = type;
flap->seqno = _htons(seqno++);
flap->len = _htons(length);
memcpy(&obuf[FLAP_SIZE], buf, length);
int rlen= Netlib_Send(hServerConn, obuf, slen, 0);
if (rlen == SOCKET_ERROR) seqno--;
LeaveCriticalSection(&SendingMutex);
return rlen >= 0 ? 0 : -1;
}
void aim_writefamily(const char *buf,unsigned short &offset,char* out)
{
memcpy(&out[offset],buf,4);
offset+=4;
}
void aim_writechar(unsigned char val, unsigned short &offset,char* out)
{
out[offset++] = val;
}
void aim_writeshort(unsigned short val, unsigned short &offset,char* out)
{
out[offset++] = (char)(val >> 8);
out[offset++] = (char)(val & 0xFF);
}
void aim_writelong(unsigned long val, unsigned short &offset,char* out)
{
out[offset++] = (char)(val >> 24);
out[offset++] = (char)((val >> 16) & 0xFF);
out[offset++] = (char)((val >> 8) & 0xFF);
out[offset++] = (char)(val & 0xFF);
}
void aim_writegeneric(unsigned short size,const char *buf,unsigned short &offset,char* out)
{
memcpy(&out[offset],buf,size);
offset+=size;
}
void aim_writebartid(unsigned short type, unsigned char flags, unsigned short size,const char *buf,unsigned short &offset,char* out)
{
out[offset++]=(unsigned char)(type >> 8);
out[offset++]=(unsigned char)(type & 0xff);
out[offset++]=flags;
out[offset++]=(char)size;
memcpy(&out[offset],buf,size);
offset+=size;
}
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