static void libirc_dcc_request (irc_session_t * session, const char * nick, const char * req)
{
char filenamebuf[256];
unsigned long ip, size;
unsigned short port;
if ( sscanf (req, "DCC CHAT chat %lu %hu", &ip, &port) == 2 )
{
if ( session->callbacks.event_dcc_chat_req )
{
irc_dcc_session_t * dcc;
int err = libirc_new_dcc_session (session, ip, port, LIBIRC_DCC_CHAT, 0, &dcc);
if ( err )
{
session->lasterror = err;
return;
}
(*session->callbacks.event_dcc_chat_req) (session,
nick,
inet_ntoa (dcc->remote_addr.sin_addr),
dcc->id);
}
return;
}
else if ( sscanf (req, "DCC SEND %s %lu %hu %lu", filenamebuf, &ip, &port, &size) == 4 )
{
if ( session->callbacks.event_dcc_send_req )
{
irc_dcc_session_t * dcc;
int err = libirc_new_dcc_session (session, ip, port, LIBIRC_DCC_RECVFILE, 0, &dcc);
if ( err )
{
session->lasterror = err;
return;
}
(*session->callbacks.event_dcc_send_req) (session,
nick,
inet_ntoa (dcc->remote_addr.sin_addr),
filenamebuf,
size,
dcc->id);
dcc->received_file_size = size;
}
return;
}
#if defined (ENABLE_DEBUG)
fprintf (stderr, "BUG: Unhandled DCC message: %s\n", req);
abort();
#endif
}
int irc_dcc_chat (irc_session_t * session, void * ctx, const char * nick, irc_dcc_callback_t callback, irc_dcc_t * dccid)
{
struct sockaddr_in saddr;
socklen_t len = sizeof(saddr);
char cmdbuf[128], notbuf[128];
irc_dcc_session_t * dcc;
int err;
if ( session->state != LIBIRC_STATE_CONNECTED )
{
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
err = libirc_new_dcc_session (session, 0, 0, LIBIRC_DCC_CHAT, ctx, &dcc);
if ( err )
{
session->lasterror = err;
return 1;
}
if ( getsockname (dcc->sock, (struct sockaddr*) &saddr, &len) < 0 )
{
session->lasterror = LIBIRC_ERR_SOCKET;
libirc_remove_dcc_session (session, dcc, 1);
return 1;
}
sprintf (notbuf, "DCC Chat (%s)", inet_ntoa (saddr.sin_addr));
sprintf (cmdbuf, "DCC CHAT chat %lu %u", (unsigned long) ntohl (saddr.sin_addr.s_addr), ntohs (saddr.sin_port));
if ( irc_cmd_notice (session, nick, notbuf)
|| irc_cmd_ctcp_request (session, nick, cmdbuf) )
{
libirc_remove_dcc_session (session, dcc, 1);
return 1;
}
*dccid = dcc->id;
dcc->cb = callback;
dcc->dccmode = LIBIRC_DCC_CHAT;
return 0;
}
static void accept_dcc_send(irc_session_t * session, const char * nick, const char * req, char *filename, unsigned long ip, irc_dcc_size_t size, unsigned short port, int ssl) {
DBG_OK("---- got dcc send req: %s ---", req);
if (session->callbacks.event_dcc_send_req) {
irc_dcc_session_t * dcc;
int err = libirc_new_dcc_session(session, ip, port, 0, &dcc, ssl);
if (err) {
session->lasterror = err;
return;
}
(*session->callbacks.event_dcc_send_req) (session,
nick,
inet_ntoa(dcc->remote_addr.sin_addr),
filename,
size,
dcc->id);
dcc->received_file_size = size;
}
}
int irc_dcc_sendfile (irc_session_t * session, void * ctx, const char * nick, const char * filename, irc_dcc_callback_t callback, irc_dcc_t * dccid)
{
struct sockaddr_in saddr;
socklen_t len = sizeof(saddr);
char cmdbuf[128], notbuf[128];
irc_dcc_session_t * dcc;
const char * p;
int err;
long filesize;
if ( !session || !dccid || !filename || !callback )
{
session->lasterror = LIBIRC_ERR_INVAL;
return 1;
}
if ( session->state != LIBIRC_STATE_CONNECTED )
{
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
if ( (err = libirc_new_dcc_session (session, 0, 0, LIBIRC_DCC_SENDFILE, ctx, &dcc)) != 0 )
{
session->lasterror = err;
return 1;
}
if ( (dcc->dccsend_file_fp = fopen (filename, "rb")) == 0 )
{
libirc_remove_dcc_session (session, dcc, 1);
session->lasterror = LIBIRC_ERR_OPENFILE;
return 1;
}
/* Get file length */
if ( fseek (dcc->dccsend_file_fp, 0, SEEK_END)
|| (filesize = ftell (dcc->dccsend_file_fp)) == -1
|| fseek (dcc->dccsend_file_fp, 0, SEEK_SET) )
{
libirc_remove_dcc_session (session, dcc, 1);
session->lasterror = LIBIRC_ERR_NODCCSEND;
return 1;
}
if ( getsockname (dcc->sock, (struct sockaddr*) &saddr, &len) < 0 )
{
libirc_remove_dcc_session (session, dcc, 1);
session->lasterror = LIBIRC_ERR_SOCKET;
return 1;
}
// Remove path from the filename
if ( (p = strrchr (filename, '\\')) == 0
&& (p = strrchr (filename, '/')) == 0 )
p = filename;
else
p++; // skip directory slash
sprintf (notbuf, "DCC Send %s (%s)", p, inet_ntoa (saddr.sin_addr));
sprintf (cmdbuf, "DCC SEND %s %lu %u %ld", p, (unsigned long) ntohl (saddr.sin_addr.s_addr), ntohs (saddr.sin_port), filesize);
if ( irc_cmd_notice (session, nick, notbuf)
|| irc_cmd_ctcp_request (session, nick, cmdbuf) )
{
libirc_remove_dcc_session (session, dcc, 1);
return 1;
}
*dccid = dcc->id;
dcc->cb = callback;
return 0;
}
