/* process successful connection */
static void t_connected(transfer *tr)
{
int callval_i;
int connect_error;
SIGNEDSOCK int connect_error_len = sizeof(connect_error);
tr->con.connecttime = gdata.curtime;
FD_CLR(tr->con.clientsocket, &gdata.writeset);
callval_i = getsockopt(tr->con.clientsocket,
SOL_SOCKET, SO_ERROR,
&connect_error, &connect_error_len);
if (callval_i < 0) {
outerror(OUTERROR_TYPE_WARN,
"Couldn't determine upload connection status on %s: %s",
gnetwork->name, strerror(errno));
t_closeconn(tr, "Download Connection Failed status:", errno);
return;
}
if (connect_error) {
t_closeconn(tr, "Download Connection Failed", connect_error);
return;
}
ioutput(OUT_S|OUT_L|OUT_D, COLOR_MAGENTA,
"Download Connection Established on %s", gnetwork->name);
t_setup_send(tr);
return;
}
/* check ip for matching blacklist and whitelist */
unsigned int t_check_ip_access(transfer *const tr)
{
const char *msg;
if (irlist_size(&gdata.xdcc_allow) > 0) {
if (!verify_cidr(&gdata.xdcc_allow, &(tr->con.remote))) {
msg = "Sorry, downloads to your IP not allowed, ask owner.";
t_closeconn(tr, msg, 0);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR, "%s", msg);
return 1;
}
}
if (verify_cidr(&gdata.xdcc_deny, &(tr->con.remote))) {
msg = "Sorry, downloads to your IP denied, ask owner.";
t_closeconn(tr, msg, 0);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR, "%s", msg);
return 1;
}
return 0;
}
void t_setuplisten (transfer * const t)
{
int rc;
updatecontext();
rc = irc_open_listen(&(t->con));
if (rc != 0)
{
t_closeconn(t,"Connection Error, Try Again",errno);
return;
}
t->tr_status = TRANSFER_STATUS_LISTENING;
}
void t_establishcon (transfer * const t)
{
SIGNEDSOCK int addrlen;
updatecontext();
addrlen = (t->con.family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
if ((t->con.clientsocket = accept(t->con.listensocket, &t->con.local.sa, &addrlen)) < 0) {
int errno2 = errno;
outerror(OUTERROR_TYPE_WARN, "Accept Error, Aborting: %s", strerror(errno));
t_closeconn(t, "Connection Error, Try Again", errno2);
return;
}
ir_listen_port_connected(t->con.localport);
event_close(t->con.listensocket);
t->con.listensocket = FD_UNUSED;
t_setup_send(t);
}
void t_istimeout (transfer * const t)
{
updatecontext();
if ((gdata.curtime - t->con.lastcontact) > 180)
{
t_closeconn(t,"DCC Timeout (180 Sec Timeout)",0);
}
else if ((gdata.curtime - t->con.lastcontact) > 150)
{
if (!t->close_to_timeout)
{
ioutput(OUT_S|OUT_L|OUT_D, COLOR_YELLOW,
"XDCC [%02i:%s on %s]: Connection close to timeout 30 sec remain",
t->id, t->nick, gdata.networks[ t->net ].name);
}
t->close_to_timeout = 1;
}
else
{
t->close_to_timeout = 0;
}
}
/* check if a transfer will use more connections per user than allowed */
static void t_check_duplicateip(transfer *const newtr)
{
igninfo *ignore;
char *bhostmask;
transfer *tr;
unsigned int found;
unsigned int num;
if (gdata.ignore_duplicate_ip == 0)
return;
if (gdata.maxtransfersperperson == 0)
return;
updatecontext();
if (newtr->con.family != AF_INET)
return;
found = 0;
for (tr = irlist_get_head(&gdata.trans);
tr;
tr = irlist_get_next(tr)) {
if (tr->tr_status != TRANSFER_STATUS_SENDING)
continue;
if (tr->remoteip != newtr->remoteip)
continue;
if (!strcmp(tr->hostname, "man")) /* NOTRANSLATE */
continue;
++found;
}
if (found <= gdata.maxtransfersperperson)
return;
num = gdata.ignore_duplicate_ip * 60; /* n hours */
for (tr = irlist_get_head(&gdata.trans);
tr;
tr = irlist_get_next(tr)) {
if (tr->tr_status != TRANSFER_STATUS_SENDING)
continue;
if (tr->remoteip != newtr->remoteip)
continue;
if (!strcmp(tr->hostname, "man")) /* NOTRANSLATE */
continue;
t_closeconn(tr, "You are being punished for parallel downloads", 0);
queue_punish_abuse( "You are being punished for parallel downloads", tr->net, tr->nick);
bhostmask = to_hostmask( "*", tr->hostname); /* NOTRANSLATE */
ignore = get_ignore(bhostmask);
ignore->flags |= IGN_IGNORING;
ignore->flags |= IGN_MANUAL;
ignore->bucket = (num*60)/gdata.autoignore_threshold;
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"same IP detected, Ignore activated for %s which will last %u min",
bhostmask, num);
mydelete(bhostmask);
}
write_statefile();
}
static void t_passive(transfer * const tr, ir_uint16 remoteport)
{
char *msg;
ir_uint32 netval;
SIGNEDSOCK int addrlen;
int retval;
updatecontext();
bzero ((char *) &(tr->con.remote), sizeof(tr->con.remote));
tr->con.clientsocket = socket(tr->con.family, SOCK_STREAM, 0);
if (tr->con.clientsocket < 0) {
t_closeconn(tr, "Socket Error", errno);
return;
}
if (tr->con.family == AF_INET ) {
addrlen = sizeof(struct sockaddr_in);
tr->con.remote.sin.sin_family = AF_INET;
tr->con.remote.sin.sin_port = htons(remoteport);
netval = atoul(tr->con.remoteaddr);
tr->con.remote.sin.sin_addr.s_addr = htonl(netval);
} else {
addrlen = sizeof(struct sockaddr_in6);
tr->con.remote.sin6.sin6_family = AF_INET6;
tr->con.remote.sin6.sin6_port = htons(remoteport);
retval = inet_pton(AF_INET6, tr->con.remoteaddr, &(tr->con.remote.sin6.sin6_addr));
if (retval < 0)
outerror(OUTERROR_TYPE_WARN_LOUD, "Invalid IP: %s", tr->con.remoteaddr);
}
if (t_check_ip_access(tr))
return;
if (bind_irc_vhost(tr->con.family, tr->con.clientsocket) != 0) {
t_closeconn(tr, "Couldn't Bind Virtual Host, Sorry", errno);
return;
}
if (set_socket_nonblocking(tr->con.clientsocket, 1) < 0 ) {
outerror(OUTERROR_TYPE_WARN, "Couldn't Set Non-Blocking");
}
if (gdata.debug > 0) {
msg = mymalloc(maxtextlength);
my_getnameinfo(msg, maxtextlength -1, &(tr->con.remote.sa));
ioutput(OUT_S|OUT_L|OUT_D, COLOR_MAGENTA,
"DCC SEND passive sent to %s on %s, connecting to %s",
tr->nick, gnetwork->name, msg);
mydelete(msg);
}
alarm(CTIMEOUT);
retval = connect(tr->con.clientsocket, &(tr->con.remote.sa), addrlen);
if ( (retval < 0) && !((errno == EINPROGRESS) || (errno == EAGAIN)) ) {
t_closeconn(tr, "Couldn't Connect", errno);
alarm(0);
return;
}
alarm(0);
tr->tr_status = TRANSFER_STATUS_CONNECTING;
}
static void mainloop (void) {
/* data is persistant across calls */
static struct timeval timestruct;
static int changequartersec, changesec, changemin, changehour;
static time_t lasttime, lastmin, lasthour, last4sec, last5sec, last20sec;
static time_t lastautoadd;
static time_t last3min, last2min, lastignoredec;
static int first_loop = 1;
static ir_uint64 last250ms;
userinput *pubplist;
userinput *urehash;
ir_uint64 xdccsent;
unsigned int i;
int highests;
unsigned int ss;
upload *ul;
transfer *tr;
channel_t *ch;
xdcc *xd;
dccchat_t *chat;
updatecontext();
gnetwork = NULL;
if (first_loop)
{
/* init if first time called */
FD_ZERO(&gdata.readset);
FD_ZERO(&gdata.writeset);
changehour=changemin=changesec=changequartersec=0;
gettimeofday(×truct, NULL);
last250ms = gdata.curtimems;
gdata.curtimems = timeval_to_ms(×truct);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR, "Startup"
" running: %ld ms", (long)(gdata.curtimems - last250ms));
gdata.curtime = timestruct.tv_sec;
lasttime=gdata.curtime;
last250ms = gdata.curtimems;
lastmin=(lasttime/60)-1;
lasthour=(lasttime/60/60)-1;
last4sec = last5sec = last20sec = last2min = last3min = lasttime;
lastignoredec = lasttime;
for (ss=0; ss<gdata.networks_online; ss++)
{
gdata.networks[ss].lastnotify = lasttime;
gdata.networks[ss].lastslow = lasttime;
gdata.networks[ss].server_input_line[0] = '\0';
}
gdata.cursendptr = 0;
lastautoadd = gdata.curtime + 60;
first_loop = 0;
}
updatecontext();
FD_ZERO(&gdata.readset);
FD_ZERO(&gdata.writeset);
FD_ZERO(&gdata.execset);
highests = 0;
#ifdef USE_CURL
fetch_multi_fdset(&gdata.readset, &gdata.writeset, &gdata.execset, &highests);
#endif /* USE_CURL */
highests = irc_select(highests);
if (!gdata.background)
{
FD_SET(fileno(stdin), &gdata.readset);
highests = max2(highests, fileno(stdin));
}
highests = chat_select_fdset(highests);
highests = t_select_fdset(highests, changequartersec);
highests = l_select_fdset(highests, changequartersec);
#ifndef WITHOUT_TELNET
highests = telnet_select_fdset(highests);
#endif /* WITHOUT_TELNET */
#ifndef WITHOUT_HTTP
highests = h_select_fdset(highests, changequartersec);
#endif /* WITHOUT_HTTP */
if (gdata.md5build.file_fd != FD_UNUSED)
{
assert(gdata.md5build.xpack);
FD_SET(gdata.md5build.file_fd, &gdata.readset);
highests = max2(highests, gdata.md5build.file_fd);
}
updatecontext();
if (gdata.debug > 81)
{
select_dump("try", highests);
}
if (gdata.attop) gotobot();
tostdout_write();
gettimeofday(×truct, NULL);
gdata.selecttimems = timeval_to_ms(×truct);
if (ir_kqueue_select(highests+1, &gdata.readset, &gdata.writeset, &gdata.execset) < 0)
{
if (errno != EINTR)
{
outerror(OUTERROR_TYPE_WARN,"Select returned an error: %s",strerror(errno));
usleep(10000); /* prevent fast spinning */
}
/* data is undefined on error, zero and continue */
FD_ZERO(&gdata.readset);
FD_ZERO(&gdata.writeset);
FD_ZERO(&gdata.execset);
}
if (gdata.debug > 81)
{
select_dump("got", highests);
}
/*----- one second check ----- */
updatecontext();
if (gettimeofday(×truct, NULL) < 0)
{
outerror(OUTERROR_TYPE_CRASH,"gettimeofday() failed! %s\n",strerror(errno));
}
gdata.curtimems = timeval_to_ms(×truct);
gdata.curtime = timestruct.tv_sec;
if (gdata.curtimems > gdata.selecttimems + 1000)
outerror(OUTERROR_TYPE_WARN, "Iroffer was blocked for %lims",
(long)(gdata.curtimems - gdata.selecttimems));
/* adjust for drift and cpu usage */
if ((gdata.curtimems > (last250ms+1000)) ||
(gdata.curtimems < last250ms))
{
/* skipped forward or backwards, correct */
last250ms = gdata.curtimems-250;
}
if (gdata.curtimems >= (last250ms+250))
{
changequartersec = 1;
/* note bandwidth limiting requires no drift! */
last250ms += 250;
}
else
{
changequartersec = 0;
}
changesec = 0;
if (gdata.curtime != lasttime) {
if (gdata.curtime < lasttime - MAX_WAKEUP_WARN) {
outerror(OUTERROR_TYPE_WARN, "System Time Changed Backwards %lim %lis!!\n",
(long)(lasttime-gdata.curtime)/60, (long)(lasttime-gdata.curtime)%60);
}
if (gdata.curtime > lasttime + MAX_WAKEUP_WARN) {
outerror(OUTERROR_TYPE_WARN, "System Time Changed Forward or Mainloop Skipped %lim %lis!!\n",
(long)(gdata.curtime-lasttime)/60, (long)(gdata.curtime-lasttime)%60);
if (gdata.debug > 0) {
dump_slow_context();
}
}
if (gdata.curtime > lasttime + MAX_WAKEUP_ERR) {
outerror(OUTERROR_TYPE_WARN, "System Time Changed Forward or Mainloop Skipped %lim %lis!!\n",
(long)(gdata.curtime-lasttime)/60, (long)(gdata.curtime-lasttime)%60);
if (gdata.debug > 0)
{
dumpcontext();
}
}
lasttime = gdata.curtime;
changesec = 1;
}
if (changesec && lasttime/60/60 != lasthour) {
lasthour = lasttime/60/60;
changehour = 1;
}
if (changesec && lasttime/60 != lastmin) {
lastmin = lasttime/60;
changemin = 1;
}
if (gdata.needsshutdown)
{
gdata.needsshutdown = 0;
shutdowniroffer();
}
if (gdata.needsreap)
{
gdata.needsreap = 0;
irc_resolved();
}
#ifdef USE_CURL
fetch_perform();
#endif /* USE_CURL */
updatecontext();
if (changesec) {
gdata.totaluptime++;
gdata.xdccsent[(gdata.curtime+1)%XDCC_SENT_SIZE] = 0;
gdata.xdccrecv[(gdata.curtime+1)%XDCC_SENT_SIZE] = 0;
xdccsent = 0;
for (i=0; i<XDCC_SENT_SIZE; i++)
xdccsent += (ir_uint64)gdata.xdccsum[i];
if (((float)xdccsent)/XDCC_SENT_SIZE/1024.0 > gdata.sentrecord)
gdata.sentrecord = ((float)xdccsent)/XDCC_SENT_SIZE/1024.0;
gdata.xdccsum[(gdata.curtime+1)%XDCC_SENT_SIZE] = 0;
run_delayed_jobs();
}
updatecontext();
/*----- see if anything waiting on console ----- */
gdata.needsclear = 0;
if (!gdata.background && FD_ISSET(fileno(stdin), &gdata.readset))
parseconsole();
irc_perform(changesec);
l_perform(changesec);
chat_perform();
t_perform(changesec, changequartersec);
#ifndef WITHOUT_TELNET
telnet_perform();
#endif /* WITHOUT_TELNET */
#ifndef WITHOUT_HTTP
h_perform(changesec, changequartersec);
#endif /* WITHOUT_HTTP */
/*----- time for a delayed shutdown? ----- */
if (changesec && gdata.delayedshutdown)
{
if (!irlist_size(&gdata.trans))
{
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"Delayed Shutdown Activated, No Transfers Remaining");
shutdowniroffer();
}
}
updatecontext();
for (ss=0; ss<gdata.networks_online; ss++) {
gnetwork = &(gdata.networks[ss]);
/*----- send server stuff ----- */
if (changesec) {
sendserver();
if (gdata.curtime%INAMNT_SIZE == (INAMNT_SIZE-1))
gnetwork->inamnt[0] = 0;
else
gnetwork->inamnt[gdata.curtime%INAMNT_SIZE+1] = 0;
}
/*----- see if we can send out some xdcc lists */
if (changesec && gnetwork->serverstatus == SERVERSTATUS_CONNECTED) {
if (!irlist_size((&gnetwork->serverq_normal)) && !irlist_size(&(gnetwork->serverq_slow)))
sendxdlqueue();
}
}
gnetwork = NULL;
/*----- see if its time to change maxb */
if (changehour) {
gdata.maxb = gdata.overallmaxspeed;
if (gdata.overallmaxspeeddayspeed != gdata.overallmaxspeed) {
struct tm *localt;
localt = localtime(&gdata.curtime);
if ((unsigned int)localt->tm_hour >= gdata.overallmaxspeeddaytimestart
&& (unsigned int)localt->tm_hour < gdata.overallmaxspeeddaytimeend
&& ( gdata.overallmaxspeeddaydays & (1 << (unsigned int)localt->tm_wday)) )
gdata.maxb = gdata.overallmaxspeeddayspeed;
}
isrotatelog();
expire_options();
}
/*----- see if we've hit a transferlimit or need to reset counters */
if (changesec)
{
unsigned int ii;
unsigned int transferlimits_over = 0;
for (ii=0; ii<NUMBER_TRANSFERLIMITS; ii++)
{
/* reset counters? */
if ((!gdata.transferlimits[ii].ends) ||
(gdata.transferlimits[ii].ends < gdata.curtime))
{
struct tm *localt;
if (gdata.transferlimits[ii].limit && gdata.transferlimits[ii].ends)
{
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"Resetting %s transfer limit, used %" LLPRINTFMT "uMB of the %" LLPRINTFMT "uMB limit",
transferlimit_type_to_string(ii),
gdata.transferlimits[ii].used / 1024 / 1024,
gdata.transferlimits[ii].limit / 1024 / 1024);
}
/* find our next end time */
localt = localtime(&gdata.curtime);
localt->tm_sec = localt->tm_min = localt->tm_hour = 0; /* midnight */
switch (ii)
{
case TRANSFERLIMIT_DAILY:
/* tomorrow */
localt->tm_mday++;
break;
case TRANSFERLIMIT_WEEKLY:
/* next sunday morning */
localt->tm_mday += 7 - localt->tm_wday;
break;
case TRANSFERLIMIT_MONTHLY:
/* next month */
localt->tm_mday = gdata.start_of_month;
localt->tm_mon++;
break;
default:
outerror(OUTERROR_TYPE_CRASH, "unknown type %u", ii);
}
/* tm_wday and tm_yday are ignored in mktime() */
gdata.transferlimits[ii].ends = mktime(localt);
gdata.transferlimits[ii].used = 0;
if ( ii == TRANSFERLIMIT_DAILY )
reset_download_limits();
}
if (!transferlimits_over &&
gdata.transferlimits[ii].limit &&
(gdata.transferlimits[ii].used >= gdata.transferlimits[ii].limit))
{
transferlimits_over = 1 + ii;
if (!gdata.transferlimits_over)
{
char *tempstr = transfer_limit_exceeded_msg(ii);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"All %" LLPRINTFMT "uMB of the %s transfer limit used. Stopping transfers.",
gdata.transferlimits[ii].limit / 1024 / 1024,
transferlimit_type_to_string(ii));
/* remove queued users */
queue_all_remove(&gdata.mainqueue, tempstr);
queue_all_remove(&gdata.idlequeue, tempstr);
/* stop transfers */
for (tr = irlist_get_head(&gdata.trans); tr; tr = irlist_get_next(tr))
{
if (tr->tr_status != TRANSFER_STATUS_DONE)
{
gnetwork = &(gdata.networks[tr->net]);
t_closeconn(tr,tempstr,0);
}
}
gnetwork = NULL;
mydelete(tempstr);
}
}
}
if (gdata.transferlimits_over != transferlimits_over)
{
if (!transferlimits_over)
{
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"No longer over any transfer limits. Transfers are now allowed.");
}
gdata.transferlimits_over = transferlimits_over;
}
}
/*----- gdata.autoignore_threshold seconds ----- */
if (changesec && ((unsigned)gdata.curtime > (lastignoredec + gdata.autoignore_threshold)))
{
igninfo *ignore;
lastignoredec += gdata.autoignore_threshold;
ignore = irlist_get_head(&gdata.ignorelist);
while(ignore)
{
ignore->bucket--;
if ((ignore->flags & IGN_IGNORING) && (ignore->bucket == 0))
{
ignore->flags &= ~IGN_IGNORING;
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"Ignore removed for %s",ignore->hostmask);
write_statefile();
}
if (ignore->bucket == 0)
{
mydelete(ignore->hostmask);
ignore = irlist_delete(&gdata.ignorelist, ignore);
}
else
{
ignore = irlist_get_next(ignore);
}
}
}
/*----- periodicmsg_time seconds ----- */
if (changesec) {
send_periodicmsg();
}
updatecontext();
/*----- 5 seconds ----- */
if (changesec && (gdata.curtime - last5sec > 4)) {
last5sec = gdata.curtime;
updatecontext();
/*----- server timeout ----- */
for (ss=0; ss<gdata.networks_online; ss++) {
gnetwork = &(gdata.networks[ss]);
if (gdata.needsshutdown)
continue;
if ((gnetwork->serverstatus == SERVERSTATUS_CONNECTED) &&
(gdata.curtime > gnetwork->lastservercontact + SRVRTOUT)) {
if (gnetwork->servertime < 3)
{
const char *servname = gnetwork->curserveractualname ? gnetwork->curserveractualname : gnetwork->curserver.hostname;
size_t len = 6 + strlen(servname);
char *tempstr3 = mymalloc(len + 1);
snprintf(tempstr3, len + 1, "PING %s\n", servname);
writeserver_ssl(tempstr3, len);
if (gdata.debug > 0)
{
tempstr3[len-1] = '\0';
len--;
ioutput(OUT_S, COLOR_MAGENTA, "<NORES<: %s", tempstr3);
}
mydelete(tempstr3);
gnetwork->servertime++;
}
else if (gnetwork->servertime == 3) {
ioutput(OUT_S|OUT_L|OUT_D, COLOR_RED,
"Closing Server Connection on %s: No Response for %u minutes.",
gnetwork->name, SRVRTOUT/60);
close_server();
gnetwork->servertime = 0;
}
}
/*----- ping server ----- */
if (gnetwork->recentsent) {
pingserver();
gnetwork->recentsent--;
}
}
} /* networks */
gnetwork = NULL;
/*----- 4 seconds ----- */
if (changesec && (gdata.curtime - last4sec > 3))
{
/*----- update lastspeed, check minspeed ----- */
tr = irlist_get_head(&gdata.trans);
while(tr)
{
if ( tr->con.connecttime+(MIN_TL/2) > gdata.curtime ) /* initial */
{
tr->lastspeed =
(tr->lastspeed)*DCL_SPDW_I +
(((float)(tr->bytessent-tr->lastspeedamt))/1024.0)*(1.0-DCL_SPDW_I)/((float)(gdata.curtime-last4sec)*1.0);
}
else /* ongoing */
{
tr->lastspeed =
(tr->lastspeed)*DCL_SPDW_O +
(((float)(tr->bytessent-tr->lastspeedamt))/1024.0)*(1.0-DCL_SPDW_O)/((float)(gdata.curtime-last4sec)*1.0);
}
tr->lastspeedamt = tr->bytessent;
t_checkminspeed(tr);
tr = irlist_get_next(tr);
}
ul = irlist_get_head(&gdata.uploads);
while(ul)
{
if ( ul->con.connecttime+(MIN_TL/2) > gdata.curtime ) /* initial */
{
ul->lastspeed =
(ul->lastspeed)*DCL_SPDW_I +
(((float)(ul->bytesgot-ul->lastspeedamt))/1024.0)*(1.0-DCL_SPDW_I)/((float)(gdata.curtime-last4sec)*1.0);
}
else /* ongoing */
{
ul->lastspeed =
(ul->lastspeed)*DCL_SPDW_O +
(((float)(ul->bytesgot-ul->lastspeedamt))/1024.0)*(1.0-DCL_SPDW_O)/((float)(gdata.curtime-last4sec)*1.0);
}
ul->lastspeedamt = ul->bytesgot;
ul = irlist_get_next(ul);
}
last4sec = gdata.curtime;
}
updatecontext();
/*----- check for size change ----- */
if (changesec)
checktermsize();
updatecontext();
for (ss=0; ss<gdata.networks_online; ss++) {
gnetwork = &(gdata.networks[ss]);
/*----- plist stuff ----- */
if ((gnetwork->serverstatus == SERVERSTATUS_CONNECTED) &&
changemin &&
irlist_size(&gdata.xdccs) &&
!gdata.transferlimits_over &&
(irlist_size(&(gnetwork->serverq_channel)) < irlist_size(&gdata.xdccs)) &&
(!gdata.queuesize || irlist_size(&gdata.mainqueue) < gdata.queuesize) &&
(gdata.nolisting <= gdata.curtime))
{
char *tchanf = NULL, *tchanm = NULL, *tchans = NULL;
for(ch = irlist_get_head(&(gnetwork->channels));
ch;
ch = irlist_get_next(ch))
{
if ((ch->flags & CHAN_ONCHAN) &&
(ch->nextann < gdata.curtime) &&
ch->plisttime &&
(((gdata.curtime / 60) % ch->plisttime) == ch->plistoffset))
{
ch->nextmsg = gdata.curtime + ch->delay;
if (ch->pgroup != NULL)
{
ioutput(OUT_S|OUT_D, COLOR_NO_COLOR, "Plist sent to %s (pgroup)", ch->name);
pubplist = mycalloc(sizeof(userinput));
pubplist->method = method_xdl_channel;
pubplist->net = gnetwork->net;
pubplist->level = ADMIN_LEVEL_PUBLIC;
a_fillwith_plist(pubplist, ch->name, ch);
u_parseit(pubplist);
mydelete(pubplist);
continue;
}
if (ch->flags & CHAN_MINIMAL)
{
if (tchanm)
{
strncat(tchanm,",",maxtextlength-strlen(tchanm)-1);
strncat(tchanm,ch->name,maxtextlength-strlen(tchanm)-1);
}
else
{
tchanm = mymalloc(maxtextlength);
strncpy(tchanm,ch->name,maxtextlength-1);
}
}
else if (ch->flags & CHAN_SUMMARY)
{
if (tchans)
{
strncat(tchans,",",maxtextlength-strlen(tchans)-1);
strncat(tchans,ch->name,maxtextlength-strlen(tchans)-1);
}
else
{
tchans = mymalloc(maxtextlength);
strncpy(tchans,ch->name,maxtextlength-1);
}
}
else
{
if (tchanf)
{
strncat(tchanf,",",maxtextlength-strlen(tchanf)-1);
strncat(tchanf,ch->name,maxtextlength-strlen(tchanf)-1);
}
else
{
tchanf = mymalloc(maxtextlength);
strncpy(tchanf,ch->name,maxtextlength-1);
}
}
}
}
if (tchans)
{
if (gdata.restrictprivlist && !gdata.creditline && !irlist_size(&gdata.headline))
{
ioutput(OUT_S|OUT_D, COLOR_NO_COLOR,
"Can't send Summary Plist to %s (restrictprivlist is set and no creditline or headline, summary makes no sense!)", tchans);
}
else
{
ioutput(OUT_S|OUT_D, COLOR_NO_COLOR, "Plist sent to %s (summary)", tchans);
pubplist = mycalloc(sizeof(userinput));
a_fillwith_msg2(pubplist, tchans, "XDL");
pubplist->method = method_xdl_channel_sum;
u_parseit(pubplist);
mydelete(pubplist);
}
mydelete(tchans);
}
if (tchanf) {
ioutput(OUT_S|OUT_D, COLOR_NO_COLOR, "Plist sent to %s (full)", tchanf);
pubplist = mycalloc(sizeof(userinput));
a_fillwith_plist(pubplist, tchanf, NULL);
pubplist->method = method_xdl_channel;
u_parseit(pubplist);
mydelete(pubplist);
mydelete(tchanf);
}
if (tchanm) {
ioutput(OUT_S|OUT_D, COLOR_NO_COLOR, "Plist sent to %s (minimal)", tchanm);
pubplist = mycalloc(sizeof(userinput));
a_fillwith_msg2(pubplist, tchanm, "XDL");
pubplist->method = method_xdl_channel_min;
u_parseit(pubplist);
mydelete(pubplist);
mydelete(tchanm);
}
}
} /* networks */
gnetwork = NULL;
updatecontext();
/*----- low bandwidth send, save state file ----- */
if (changesec && (gdata.curtime - last3min > 180)) {
last3min = gdata.curtime;
xdccsent = 0;
for (i=0; i<XDCC_SENT_SIZE; i++)
xdccsent += (ir_uint64)gdata.xdccsent[i];
xdccsent /= XDCC_SENT_SIZE*1024;
if ((xdccsent < (unsigned)gdata.lowbdwth) &&
!gdata.exiting &&
irlist_size(&gdata.mainqueue) &&
(irlist_size(&gdata.trans) < gdata.maxtrans))
{
check_idle_queue(0);
send_from_queue(1, 0, NULL);
}
write_files();
}
updatecontext();
for (ss=0; ss<gdata.networks_online; ss++) {
gnetwork = &(gdata.networks[ss]);
/*----- queue notify ----- */
if (changesec && gdata.notifytime && (!gdata.quietmode) &&
((unsigned)gdata.curtime > (gnetwork->lastnotify + (gdata.notifytime*60))))
{
gnetwork->lastnotify = gdata.curtime;
if (gnetwork->serverstatus == SERVERSTATUS_CONNECTED)
{
if ((irlist_size(&(gnetwork->serverq_fast)) >= 10) ||
(irlist_size(&(gnetwork->serverq_normal)) >= 10) ||
(irlist_size(&(gnetwork->serverq_slow)) >= 50))
{
ioutput(OUT_S|OUT_D|OUT_L, COLOR_NO_COLOR,
"notifications skipped on %s, server queue is rather large",
gnetwork->name);
}
else
{
notifyqueued();
notifybandwidth();
notifybandwidthtrans();
}
}
}
} /* networks */
gnetwork = NULL;
updatecontext();
/*----- log stats / remote admin stats ----- */
if ( changesec &&
((unsigned)gdata.curtime >= (last2min + gdata.status_time_dcc_chat)))
{
last2min = gdata.curtime;
if (gdata.logstats)
{
logstat();
chat_writestatus();
}
}
updatecontext();
/* look to see if any files changed */
if (changesec)
look_for_file_remove();
updatecontext();
/*----- 20 seconds ----- */
if (changesec && (gdata.curtime - last20sec > 19)) {
expire_badip();
if (gdata.logfd != FD_UNUSED)
{
/* cycle */
close(gdata.logfd);
gdata.logfd = FD_UNUSED;
}
updatecontext();
for (ss=0; ss<gdata.networks_online; ss++) {
gnetwork = &(gdata.networks[ss]);
/* try rejoining channels not on */
ch = irlist_get_head(&(gnetwork->channels));
while(ch)
{
if ((gnetwork->serverstatus == SERVERSTATUS_CONNECTED) &&
!(ch->flags & CHAN_ONCHAN))
{
joinchannel(ch);
}
ch = irlist_get_next(ch);
}
} /* networks */
gnetwork = NULL;
last20sec = gdata.curtime;
updatecontext();
for (ss=0; ss<gdata.networks_online; ss++) {
gnetwork = &(gdata.networks[ss]);
/* try to regain nick */
if (!gnetwork->user_nick || strcmp(get_config_nick(), gnetwork->user_nick))
{
writeserver(WRITESERVER_NORMAL, "NICK %s", get_config_nick());
}
} /* networks */
gnetwork = NULL;
updatecontext();
/* update status line */
if (!gdata.background && !gdata.noscreen) {
char tempstr[maxtextlength];
char tempstr2[maxtextlengthshort];
if (gdata.attop) gotobot();
tostdout(IRVT_SAVE_CURSOR);
getstatusline(tempstr,maxtextlength);
tempstr[min2(maxtextlength-2,gdata.termcols-4)] = '\0';
snprintf(tempstr2, maxtextlengthshort, IRVT_CURSOR_HOME1 "[ %%-%us ]", gdata.termlines - 1, gdata.termcols - 4);
tostdout(tempstr2,tempstr);
tostdout(IRVT_CURSOR_HOME2 IRVT_UNSAVE_CURSOR, gdata.termlines, gdata.termcols);
}
admin_jobs();
#ifdef USE_RUBY
rehash_myruby(1);
#endif /* USE_RUBY */
delayed_announce();
}
updatecontext();
if (changemin)
{
reverify_restrictsend();
update_hour_dinoex(lastmin);
check_idle_queue(0);
clean_uploadhost();
auto_rehash();
}
updatecontext();
if ((gdata.md5build.file_fd != FD_UNUSED) &&
FD_ISSET(gdata.md5build.file_fd, &gdata.readset))
{
ssize_t howmuch;
#if defined(_OS_CYGWIN)
int reads_per_loop = 32;
#else /* _OS_CYGWIN */
int reads_per_loop = 64;
#endif /* _OS_CYGWIN */
assert(gdata.md5build.xpack);
while (reads_per_loop--)
{
howmuch = read(gdata.md5build.file_fd, gdata.sendbuff, BUFFERSIZE);
if (gdata.debug >30)
{
ioutput(OUT_S, COLOR_YELLOW, "MD5: [Pack %u] read %ld",
number_of_pack(gdata.md5build.xpack), (long)howmuch);
}
if ((howmuch < 0) && (errno != EAGAIN))
{
outerror(OUTERROR_TYPE_WARN, "MD5: [Pack %u] Can't read data from file '%s': %s",
number_of_pack(gdata.md5build.xpack),
gdata.md5build.xpack->file, strerror(errno));
event_close(gdata.md5build.file_fd);
gdata.md5build.file_fd = FD_UNUSED;
gdata.md5build.xpack = NULL;
break;
}
else if (howmuch < 0)
{
break;
}
else if (howmuch == 0)
{
/* EOF */
outerror(OUTERROR_TYPE_WARN, "MD5: [Pack %u] Can't read data from file '%s': %s",
number_of_pack(gdata.md5build.xpack),
gdata.md5build.xpack->file, "truncated");
start_md5_hash(gdata.md5build.xpack, number_of_pack(gdata.md5build.xpack));
break;
}
/* else got data */
MD5Update(&gdata.md5build.md5sum, gdata.sendbuff, howmuch);
if (!gdata.nocrc32)
crc32_update((char *)gdata.sendbuff, howmuch);
gdata.md5build.bytes += howmuch;
if (gdata.md5build.bytes == gdata.md5build.xpack->st_size)
{
complete_md5_hash();
break;
}
}
}
if (!gdata.nomd5sum && changesec && (!gdata.md5build.xpack))
{
unsigned int packnum = 1;
/* see if any pack needs a md5sum calculated */
if (gdata.nomd5_start <= gdata.curtime)
for (xd = irlist_get_head(&gdata.xdccs); xd; xd = irlist_get_next(xd), packnum++)
{
if (!gdata.nocrc32)
{
if (!xd->has_crc32)
xd->has_md5sum = 0; /* force recheck with crc */
}
if (!xd->has_md5sum)
{
if (verifyshell(&gdata.md5sum_exclude, xd->file))
continue;
if (!gdata.attop) gototop();
start_md5_hash(xd, packnum);
break;
}
}
}
updatecontext();
if (gdata.exiting && has_closed_servers()) {
for (chat = irlist_get_head(&gdata.dccchats);
chat;
chat = irlist_delete(&gdata.dccchats,chat))
{
writedccchat(chat, 0, "iroffer exited, Closing DCC Chat\n");
shutdowndccchat(chat,1);
}
mylog("iroffer exited\n\n");
exit_iroffer(0);
}
updatecontext();
if (gdata.needsrehash) {
gdata.needsrehash = 0;
urehash = mycalloc(sizeof(userinput));
a_fillwith_msg2(urehash, NULL, "REHASH");
urehash->method = method_out_all; /* just OUT_S|OUT_L|OUT_D it */
urehash->net = 0;
urehash->level = ADMIN_LEVEL_FULL;
u_parseit(urehash);
mydelete(urehash);
}
updatecontext();
chat = irlist_get_head(&gdata.dccchats);
while (chat)
{
if (chat->status == DCCCHAT_UNUSED)
{
chat = irlist_delete(&gdata.dccchats,chat);
}
else
{
flushdccchat(chat);
chat = irlist_get_next(chat);
}
}
if (gdata.autoadd_time > 0)
{
if (changesec && ((unsigned)gdata.curtime > (lastautoadd + gdata.autoadd_time)))
{
lastautoadd = gdata.curtime;
autoadd_all();
}
}
/* END */
updatecontext();
if (gdata.needsclear) drawbot();
changehour=changemin=0;
}
void t_setup_send(transfer * const t)
{
char *msg;
SIGNEDSOCK int addrlen;
updatecontext();
t->tr_status = TRANSFER_STATUS_SENDING;
if (gdata.debug > 0) {
ioutput(OUT_S, COLOR_YELLOW, "clientsock = %d", t->con.clientsocket);
}
if (t->xpack->file_fd == FD_UNUSED)
{
t->xpack->file_fd = open(t->xpack->file, O_RDONLY | ADDED_OPEN_FLAGS);
if (t->xpack->file_fd < 0) {
int errno2 = errno;
t->xpack->file_fd = FD_UNUSED;
outerror(OUTERROR_TYPE_WARN_LOUD,"Cant Access Offered File '%s': %s",t->xpack->file,strerror(errno));
t_closeconn(t, "File Error, Report the Problem to the Owner", errno2);
return;
}
t->xpack->file_fd_location = 0;
if (gdata.mirc_dcc64)
if (t->xpack->st_size > 0xFFFFFFFFL)
t->mirc_dcc64 = 1;
}
t->bytessent = t->startresume;
ir_setsockopt(t->con.clientsocket);
t->con.lastcontact = gdata.curtime;
t->con.connecttime = gdata.curtime;
t->connecttimems = gdata.curtimems;
t->lastspeed = t->xpack->minspeed;
t->lastspeedamt = t->startresume;
addrlen = (t->con.family == AF_INET) ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
if ((getpeername(t->con.clientsocket, &(t->con.remote.sa), &(addrlen))) < 0)
outerror(OUTERROR_TYPE_WARN, "Couldn't get Remote IP: %s", strerror(errno));
if (t_check_ip_access(t))
return;
if (t->con.family == AF_INET) {
t->remoteip = ntohl(t->con.remote.sin.sin_addr.s_addr);
}
if ((getsockname(t->con.clientsocket, &(t->con.local.sa), &(addrlen))) < 0)
outerror(OUTERROR_TYPE_WARN, "Couldn't get Local IP: %s", strerror(errno));
msg = mymalloc(maxtextlength);
my_getnameinfo(msg, maxtextlength -1, &(t->con.remote.sa));
mydelete(t->con.remoteaddr);
t->con.remoteaddr = mystrdup(msg);
my_getnameinfo(msg, maxtextlength -1, &(t->con.local.sa));
t->con.localaddr = mystrdup(msg);
mydelete(msg);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_YELLOW,
"XDCC [%02i:%s on %s]: Connection established (%s -> %s)",
t->id, t->nick, gdata.networks[ t->net ].name,
t->con.remoteaddr, t->con.localaddr);
}
void t_checkminspeed(transfer * const t) {
char *hostmask;
char *tempstr2;
updatecontext();
if (t->tr_status != TRANSFER_STATUS_SENDING) return; /* no checking unless we're sending */
if (t->con.connecttime+MIN_TL > gdata.curtime) return; /* no checking until time has passed */
if (t->nomin || (t->xpack->minspeed) == 0.0) return; /* no minspeed for this transfer */
if ( t->lastspeed+0.11 > t->xpack->minspeed ) return; /* over minspeed */
if (gdata.no_minspeed_on_free)
{
if (irlist_size(&gdata.trans) < gdata.slotsmax) return; /* free slots */
}
tempstr2 = mymalloc(maxtextlength);
snprintf(tempstr2, maxtextlength,
"Under Min Speed Requirement, %2.1fK/sec is less than %2.1fK/sec",
t->lastspeed,t->xpack->minspeed);
t_closeconn(t,tempstr2,0);
mydelete(tempstr2);
if (gdata.punishslowusers)
{
igninfo *ignore;
transfer *tr;
gnetwork_t *backup;
for (tr = irlist_get_head(&gdata.trans); tr; tr = irlist_get_next(tr))
{
if ((tr->tr_status != TRANSFER_STATUS_DONE) &&
(strcasecmp(tr->nick,t->nick) == 0))
{
t_closeconn(tr, "You are being punished for your slowness", 0);
}
}
queue_punish_abuse("You are being punished for your slowness", t->net, t->nick);
hostmask = to_hostmask( "*", t->hostname);
ignore = get_ignore(hostmask);
mydelete(hostmask);
ignore->flags |= IGN_IGNORING;
ignore->bucket = (gdata.punishslowusers*60)/gdata.autoignore_threshold;
backup = gnetwork;
gnetwork = &(gdata.networks[t->net]);
ioutput(OUT_S|OUT_L|OUT_D, COLOR_NO_COLOR,
"Punish-ignore activated for (%s on %s) (%s) %u minutes",
t->nick, gdata.networks[ t->net ].name,
ignore->hostmask,
gdata.punishslowusers);
notice(t->nick, "Punish-ignore activated for %s (%s) %u minutes",
t->nick,
ignore->hostmask,
gdata.punishslowusers);
gnetwork = backup;
write_statefile();
}
}
void t_readjunk (transfer * const t)
{
int i,j;
int show;
updatecontext();
i = recv(t->con.clientsocket, gdata.sendbuff, BUFFERSIZE, MSG_DONTWAIT);
if (gdata.debug > 52)
{
ioutput(OUT_S, COLOR_BLUE, "Read %d:", i);
hexdump(OUT_S, COLOR_BLUE, "", gdata.sendbuff, i);
}
if (i < 0)
{
t_closeconn(t,"Connection Lost",errno);
}
else if (i < 1)
{
t_closeconn(t,"Connection Lost",0);
}
else
{
t->con.lastcontact = gdata.curtime;
for (j=0; j<i; j++)
{
int byte;
if (t->mirc_dcc64)
{
byte = 7-((t->bytesgot+j)%8);
t->curack &= ~(0xFFULL << (byte*8));
t->curack |= (ir_uint64)(gdata.sendbuff[j]) << (byte*8);
}
else
{
byte = 3-((t->bytesgot+j)%4);
t->curack &= ~(0xFFUL << (byte*8));
t->curack |= (ir_uint64)gdata.sendbuff[j] << (byte*8);
}
if (byte == 0)
{
show = verify_acknowlede(t);
t->lastack = t->curack;
if (t->tr_status == TRANSFER_STATUS_WAITING)
show ++;
if ((gdata.debug >54) && (show > 0))
{
ioutput(OUT_S, COLOR_BLUE,
"XDCC [%02i:%s on %s]: Acknowleged %" LLPRINTFMT "d Bytes",
t->id, t->nick, gdata.networks[ t->net ].name,
t->lastack );
}
}
}
t->bytesgot += i;
}
return;
}
void t_transfersome (transfer * const t)
{
unsigned int j;
int ii;
ssize_t howmuch, howmuch2;
size_t attempt;
unsigned char *dataptr;
off_t offset;
#if defined(HAVE_FREEBSD_SENDFILE)
struct sf_hdtr sendfile_header = {0, 0, 0, 0};
int jj;
#endif
updatecontext();
/* max bandwidth start.... */
if (!t->nomax && (t->maxspeed > 0))
{
if (t->tx_bucket < TXSIZE)
{
t->overlimit = 1;
return; /* over transfer limit */
}
}
else
{
t->tx_bucket = TXSIZE * MAXTXPERLOOP;
}
j = gdata.xdccsent[(gdata.curtime)%XDCC_SENT_SIZE]
+ gdata.xdccsent[(gdata.curtime-1)%XDCC_SENT_SIZE]
+ gdata.xdccsent[(gdata.curtime-2)%XDCC_SENT_SIZE]
+ gdata.xdccsent[(gdata.curtime-3)%XDCC_SENT_SIZE];
if ( gdata.maxb && (j >= gdata.maxb*1024))
{
if (t->unlimited == 0)
return; /* over overall limit */
}
t->overlimit = 0;
/* max bandwidth end.... */
do
{
attempt = min2(t->tx_bucket - (t->tx_bucket % TXSIZE), BUFFERSIZE);
switch (gdata.transfermethod)
{
#if defined(HAVE_LINUX_SENDFILE)
case TRANSFERMETHOD_LINUX_SENDFILE:
offset = t->bytessent;
howmuch = sendfile(t->con.clientsocket,
t->xpack->file_fd,
&offset,
attempt);
if (howmuch < 0 && ((errno == ENOSYS) || (errno == EOVERFLOW)))
{
/* sendfile doesn't work on this system, fall back */
outerror(OUTERROR_TYPE_WARN, "%s transfer method does not work on this system, falling back to next available method", "linux-sendfile");
gdata.transfermethod++;
return;
}
else if (howmuch < 0 && errno != EAGAIN)
{
t_closeconn(t,"Unable to transfer data",errno);
return;
}
else if (howmuch <= 0)
{
goto done;
}
howmuch2 = max2(0,howmuch);
break;
#endif
#if defined(HAVE_FREEBSD_SENDFILE)
case TRANSFERMETHOD_FREEBSD_SENDFILE:
offset = t->bytessent;
jj = sendfile(t->xpack->file_fd,
t->con.clientsocket,
offset,
attempt,
&sendfile_header,
&offset,
0);
if (jj < 0 && ((errno == ENOSYS) || (errno == EOPNOTSUPP)))
{
/* sendfile doesn't work on this system, fall back */
outerror(OUTERROR_TYPE_WARN, "%s transfer method does not work on this system, falling back to next available method", "freebsd-sendfile");
gdata.transfermethod++;
return;
}
else if ((jj < 0) && (errno != EAGAIN))
{
t_closeconn(t,"Unable to transfer data",errno);
return;
}
/*
* NOTE: according to freebsd man page,
* sendfile can set EAGAIN and _STILL_ send data!!
*/
howmuch = (ssize_t)offset;
if (howmuch == 0)
{
goto done;
}
howmuch2 = max2(0,howmuch);
break;
#endif
case TRANSFERMETHOD_READ_WRITE:
dataptr = gdata.sendbuff;
if (t->xpack->file_fd_location != t->bytessent)
{
offset = lseek(t->xpack->file_fd, t->bytessent, SEEK_SET);
if (offset != t->bytessent)
{
int errno2 = errno;
outerror(OUTERROR_TYPE_WARN,"Can't seek location in file '%s': %s",
t->xpack->file, strerror(errno));
t_closeconn(t, "Unable to locate data in file", errno2);
return;
}
t->xpack->file_fd_location = t->bytessent;
}
howmuch = read(t->xpack->file_fd, dataptr, attempt);
if (howmuch < 0 && errno != EAGAIN)
{
int errno2 = errno;
outerror(OUTERROR_TYPE_WARN,"Can't read data from file '%s': %s",
t->xpack->file, strerror(errno));
t_closeconn(t, "Unable to read data from file", errno2);
return;
}
else if (howmuch <= 0)
{
goto done;
}
t->xpack->file_fd_location += howmuch;
howmuch2 = send(t->con.clientsocket, dataptr, howmuch, MSG_NOSIGNAL);
if (howmuch2 < 0 && errno != EAGAIN)
{
t_closeconn(t,"Connection Lost",errno);
return;
}
howmuch2 = max2(0,howmuch2);
break;
#if defined(HAVE_MMAP)
case TRANSFERMETHOD_MMAP:
if (t->bytessent == t->xpack->st_size)
{
/* EOF */
goto done;
}
if (!t->mmap_info ||
((ir_uint64)(t->bytessent) >= (t->mmap_info->mmap_offset + (ir_uint64)(t->mmap_info->mmap_size))))
{
int callval_i;
mmap_info_t *mm;
if (t->mmap_info)
{
t->mmap_info->ref_count--;
if (!t->mmap_info->ref_count)
{
callval_i = munmap(t->mmap_info->mmap_ptr, t->mmap_info->mmap_size);
if (callval_i < 0)
{
outerror(OUTERROR_TYPE_WARN, "Couldn't munmap(): %s",
strerror(errno));
}
irlist_delete(&t->xpack->mmaps, t->mmap_info);
}
t->mmap_info = NULL;
}
/* see if what we want is already mapped */
for (mm = irlist_get_head(&t->xpack->mmaps); mm; mm = irlist_get_next(mm))
{
if (mm->mmap_offset == (t->bytessent & ~(IR_MMAP_SIZE-1)))
{
t->mmap_info = mm;
t->mmap_info->ref_count++;
break;
}
}
if (!t->mmap_info)
{
/* nope, add one */
mm = irlist_add(&t->xpack->mmaps, sizeof(mmap_info_t));
t->mmap_info = mm;
mm->ref_count++;
mm->mmap_offset = t->bytessent & ~(IR_MMAP_SIZE-1);
mm->mmap_size = IR_MMAP_SIZE;
if ((mm->mmap_offset + (ir_uint64)(mm->mmap_size)) > (ir_uint64)(t->xpack->st_size))
{
mm->mmap_size = t->xpack->st_size - mm->mmap_offset;
}
mm->mmap_ptr = mmap(NULL,
mm->mmap_size,
PROT_READ,
MAP_SHARED,
t->xpack->file_fd,
mm->mmap_offset);
if ((mm->mmap_ptr == (unsigned char *)MAP_FAILED) || (!mm->mmap_ptr))
{
irlist_delete(&t->xpack->mmaps, mm);
t->mmap_info = NULL;
if (errno == ENOMEM)
{
/* mmap doesn't work on this system, fall back */
outerror(OUTERROR_TYPE_WARN, "%s transfer method does not work on this system, falling back to next available method", "mmap");
gdata.transfermethod++;
}
else
{
t_closeconn(t,"Unable to access file",errno);
}
return;
}
if (gdata.debug > 53)
{
ioutput(OUT_S, COLOR_BLUE,
"mmap() [%p] offset=0x%.8" LLPRINTFMT "X size=0x%.8" LLPRINTFMT "X",
mm->mmap_ptr,
(ir_uint64)(mm->mmap_offset),
(ir_uint64)(mm->mmap_size));
}
}
}
dataptr = t->mmap_info->mmap_ptr + t->bytessent - t->mmap_info->mmap_offset;
if ((t->bytessent + attempt) > (t->mmap_info->mmap_offset + t->mmap_info->mmap_size))
{
howmuch = (t->mmap_info->mmap_offset + t->mmap_info->mmap_size) - t->bytessent;
}
else
{
howmuch = attempt;
}
if (howmuch == 0)
{
/* EOF */
goto done;
}
howmuch2 = send(t->con.clientsocket, dataptr, howmuch, MSG_NOSIGNAL);
if (howmuch2 < 0 && errno != EAGAIN)
{
t_closeconn(t,"Connection Lost",errno);
return;
}
howmuch2 = max2(0,howmuch2);
break;
#endif
default:
t_closeconn(t,"Transfer Method unknown!", 0);
return;
}
if (howmuch2 > 0)
{
t->con.lastcontact = gdata.curtime;
}
t->bytessent += howmuch2;
gdata.xdccsum[gdata.curtime%XDCC_SENT_SIZE] += howmuch2;
if (t->unlimited == 0)
gdata.xdccsent[gdata.curtime%XDCC_SENT_SIZE] += howmuch2;
t->tx_bucket -= howmuch2;
j += howmuch2;
gdata.totalsent += howmuch2;
for (ii=0; ii<NUMBER_TRANSFERLIMITS; ii++)
{
gdata.transferlimits[ii].used += (ir_uint64)howmuch2;
}
if (gdata.debug > 51)
{
ioutput(OUT_S, COLOR_BLUE, "File %ld Write %ld", (long)howmuch, (long)howmuch2);
}
/* if over 50% send one to be fair */
if ( gdata.maxb && ((j*100) > (gdata.maxb*1024*50)) )
{
goto done;
}
} while ((t->tx_bucket >= TXSIZE) && (howmuch2 > 0));
done:
if (t->bytessent >= t->xpack->st_size)
{
#ifdef HAVE_MMAP
if (t->mmap_info)
{
t->mmap_info->ref_count--;
if (!t->mmap_info->ref_count)
{
int callval_i;
callval_i = munmap(t->mmap_info->mmap_ptr, t->mmap_info->mmap_size);
if (callval_i < 0)
{
outerror(OUTERROR_TYPE_WARN, "Couldn't munmap(): %s",
strerror(errno));
}
irlist_delete(&t->xpack->mmaps, t->mmap_info);
}
t->mmap_info = NULL;
}
#endif
t->tr_status = TRANSFER_STATUS_WAITING;
}
return;
}
