/* once a minute, send 'ping' to each bot -- no exceptions */
void check_botnet_pings()
{
int i;
Context;
for (i = 0; i < dcc_total; i++)
if (dcc[i].type == &DCC_BOT)
if (dcc[i].status & STAT_PINGED) {
char s[1024];
putlog(LOG_BOTS, "*", "%s: %s", BOT_PINGTIMEOUT, dcc[i].nick);
simple_sprintf(s, "%s: %s", BOT_PINGTIMEOUT, dcc[i].nick);
chatout("*** %s\n", s);
botnet_send_unlinked(i, dcc[i].nick, s);
killsock(dcc[i].sock);
lostdcc(i);
}
Context;
for (i = 0; i < dcc_total; i++)
if (dcc[i].type == &DCC_BOT) {
botnet_send_ping(i);
dcc[i].status |= STAT_PINGED;
}
Context;
for (i = 0; i < dcc_total; i++)
if ((dcc[i].type == &DCC_BOT) && (dcc[i].status & STAT_LEAF)) {
tand_t *bot, *via = findbot(dcc[i].nick);
for (bot = tandbot; bot; bot = bot->next) {
if ((via == bot->via) && (bot != via)) {
/* not leaflike behavior */
if (dcc[i].status & STAT_WARNED) {
char s[1024];
putlog(LOG_BOTS, "*", "%s %s (%s).", BOT_DISCONNECTED,
dcc[i].nick, BOT_BOTNOTLEAFLIKE);
dprintf(i, "bye\n");
simple_sprintf(s, "%s %s (%s)", BOT_DISCONNECTED, dcc[i].nick,
BOT_BOTNOTLEAFLIKE);
chatout("*** %s\n", s);
botnet_send_unlinked(i, dcc[i].nick, s);
killsock(dcc[i].sock);
lostdcc(i);
} else {
botnet_send_reject(i, botnetnick, NULL, bot->bot,
NULL, NULL);
dcc[i].status |= STAT_WARNED;
}
} else
dcc[i].status &= ~STAT_WARNED;
}
}
Context;
}
static void bot_unlinked(int idx, char *par)
{
int i;
char *bot = NULL;
bot = newsplit(&par);
i = nextbot(bot);
if ((i >= 0) && (i != idx)) /* Bot is NOT downstream along idx, so
* BOGUS! */
fake_alert(idx, "direction", bot, "unlinked");
else if (i >= 0) { /* Valid bot downstream of idx */
if (par[0])
/* #ifdef HUB */
chatout("*** (%s) %s\n", lastbot(bot), par);
/*
#else
chatout("*** %s unlinked from botnet.\n", par);
#endif
*/
botnet_send_unlinked(idx, bot, par);
unvia(idx, findbot(bot));
rembot(bot);
}
/* Otherwise it's not even a valid bot, so just ignore! */
}
void zapfbot(int idx)
{
char s[1024];
simple_sprintf(s, "%s: %s", BOT_BOTDROPPED, dcc[idx].nick);
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
killsock(dcc[idx].sock);
lostdcc(idx);
}
/* Kills the bot. s1 is the reason shown to other bots,
* s2 the reason shown on the partyline. (Sup 25Jul2001)
*/
void kill_bot(char *s1, char *s2)
{
write_userfile(-1);
if (!conf.bot->hub)
server_die();
chatout("*** %s\n", s1);
botnet_send_chat(-1, conf.bot->nick, s1);
botnet_send_bye(s2);
fatal(s2, 0);
}
static int tcl_dccbroadcast(ClientData cd, Tcl_Interp *irp,
int argc, char *argv[])
{
char msg[401];
BADARGS(2, 2, " message");
strncpyz(msg, argv[1], sizeof msg);
chatout("*** %s\n", msg);
botnet_send_chat(-1, botnetnick, msg);
check_tcl_bcst(botnetnick, -1, msg);
return TCL_OK;
}
static void bot_linked(int idx, char *par)
{
char s[1024];
int bots, users;
bots = bots_in_subtree(findbot(dcc[idx].nick));
users = users_in_subtree(findbot(dcc[idx].nick));
putlog(LOG_BOTS, "*", "%s", BOT_OLDBOT);
simple_sprintf(s, "%s %s (%s) (lost %d bot%s and %d user%s",
MISC_DISCONNECTED, dcc[idx].nick, MISC_OUTDATED,
bots, (bots != 1) ? "s" : "", users, (users != 1) ? "s" : "");
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
killsock(dcc[idx].sock);
lostdcc(idx);
}
static void bot_bye(int idx, char *par)
{
char s[1024];
int users, bots;
bots = bots_in_subtree(findbot(dcc[idx].nick));
users = users_in_subtree(findbot(dcc[idx].nick));
simple_sprintf(s, "%s %s. %s (lost %d bot%s and %d user%s)",
BOT_DISCONNECTED, dcc[idx].nick, par[0] ?
par : "No reason", bots, (bots != 1) ?
"s" : "", users, (users != 1) ? "s" : "");
putlog(LOG_BOTS, "*", "%s", s);
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
dprintf(idx, "*bye\n");
killsock(dcc[idx].sock);
lostdcc(idx);
}
/* this is only sent to hub bots */
static void bot_chat(int idx, char *par)
{
char *from = NULL;
int i;
from = newsplit(&par);
if (strchr(from, '@') != NULL) {
fake_alert(idx, "bot", from, "chat_i");
return;
}
/* Make sure the bot is valid */
i = nextbot(from);
if (i != idx) {
fake_alert(idx, "direction", from, "chat_ii");
return;
}
chatout("*** (%s) %s\n", from, par);
botnet_send_chat(idx, from, par);
}
static void bot_bye(int idx, char *par)
{
char s[1024] = "";
int users, bots;
bots = bots_in_subtree(findbot(dcc[idx].nick));
users = users_in_subtree(findbot(dcc[idx].nick));
simple_snprintf(s, sizeof(s), "%s %s. %s (lost %d bot%s and %d user%s)",
"Disconnected from:",
(conf.bot->hub || (conf.bot->localhub && bot_aggressive_to(dcc[idx].user))) ? dcc[idx].nick : "botnet",
par[0] ? par : "No reason", bots, (bots != 1) ?
"s" : "", users, (users != 1) ? "s" : "");
putlog(LOG_BOTS, "*", "%s", s);
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
dprintf(idx, "*bye\n");
killsock(dcc[idx].sock);
lostdcc(idx);
}
/* chat <from> <notice> -- only from bots
*/
static void bot_chat(int idx, char *par)
{
char *from;
int i;
if (bot_flags(dcc[idx].user) & BOT_ISOLATE)
return;
from = newsplit(&par);
if (strchr(from, '@') != NULL) {
fake_alert(idx, "bot", from);
return;
}
/* Make sure the bot is valid */
i = nextbot(from);
if (i != idx) {
fake_alert(idx, "direction", from);
return;
}
chatout("*** (%s) %s\n", from, par);
botnet_send_chat(idx, from, par);
check_tcl_bcst(from, -1, par);
}
static void bot_thisbot(int idx, char *par)
{
if (strcasecmp(par, dcc[idx].nick)) {
char s[1024] = "";
putlog(LOG_BOTS, "*", "Wrong bot--wanted %s, got %s", dcc[idx].nick, par);
dprintf(idx, "bye imposter\n");
simple_snprintf(s, sizeof(s), "Disconnected %s (imposter)", dcc[idx].nick);
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
unvia(idx, findbot(dcc[idx].nick));
killsock(dcc[idx].sock);
lostdcc(idx);
return;
}
/* Set capitalization the way they want it */
noshare = 1;
change_handle(dcc[idx].user, par);
noshare = 0;
strlcpy(dcc[idx].nick, par, sizeof(dcc[idx].nick));
}
static void bot_thisbot(int idx, char *par)
{
if (egg_strcasecmp(par, dcc[idx].nick)) {
char s[1024];
putlog(LOG_BOTS, "*", NET_WRONGBOT, dcc[idx].nick, par);
dprintf(idx, "bye %s\n", MISC_IMPOSTER);
simple_sprintf(s, "%s %s (%s)", MISC_DISCONNECTED, dcc[idx].nick,
MISC_IMPOSTER);
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
unvia(idx, findbot(dcc[idx].nick));
killsock(dcc[idx].sock);
lostdcc(idx);
return;
}
if (bot_flags(dcc[idx].user) & BOT_LEAF)
dcc[idx].status |= BSTAT_LEAF;
/* Set capitalization the way they want it */
noshare = 1;
change_handle(dcc[idx].user, par);
noshare = 0;
strcpy(dcc[idx].nick, par);
}
/* reject <from> <bot>
*/
static void bot_reject(int idx, char *par)
{
char *from = NULL, *who = NULL, *destbot = NULL, *frombot = NULL;
struct userrec *u = NULL;
int i;
from = newsplit(&par);
frombot = strchr(from, '@');
if (frombot)
frombot++;
else
frombot = from;
i = nextbot(frombot);
if (i != idx) {
fake_alert(idx, "direction", frombot, "reject");
return;
}
who = newsplit(&par);
if (!(destbot = strchr(who, '@'))) {
/* Rejecting a bot */
i = nextbot(who);
if (i < 0) {
botnet_send_priv(idx, conf.bot->nick, from, NULL, "Can't unlink %s (doesn't exist)", who);
} else if (!strcasecmp(dcc[i].nick, who)) {
char s[1024];
/* I'm the connection to the rejected bot */
putlog(LOG_BOTS, "*", "%s rejected %s", from, dcc[i].nick);
dprintf(i, "bye %s\n", par[0] ? par : "rejected");
simple_sprintf(s, "Disconnected %s (%s: %s)", dcc[i].nick, from, par[0] ? par : "rejected");
chatout("*** %s\n", s);
botnet_send_unlinked(i, dcc[i].nick, s);
killsock(dcc[i].sock);
lostdcc(i);
} else {
if (i >= 0)
botnet_send_reject(i, from, NULL, who, NULL, par);
}
} else { /* Rejecting user */
*destbot++ = 0;
if (!strcasecmp(destbot, conf.bot->nick)) {
/* Kick someone here! */
int ok = 0;
for (i = 0; i < dcc_total; i++) {
if (dcc[i].type && dcc[i].simul == -1 && !strcasecmp(who, dcc[i].nick) && (dcc[i].type->flags & DCT_CHAT)) {
u = get_user_by_handle(userlist, from);
if (u) {
if (!whois_access(u, dcc[idx].user)) {
add_note(from, conf.bot->nick, "Sorry, you cannot boot them.", -1, 0);
return;
}
do_boot(i, from, par);
putlog(LOG_CMDS, "*", "#%s# boot %s (%s)", from, who, par[0] ? par : "No reason");
ok = 1;
}
}
}
} else {
i = nextbot(destbot);
*--destbot = '@';
if (i >= 0)
botnet_send_reject(i, from, NULL, who, NULL, par);
}
}
}
/* break link with a tandembot */
int botunlink(int idx, char *nick, char *reason)
{
char s[20];
register int i;
tand_t *bot;
Context;
if (nick[0] == '*')
dprintf(idx, "%s\n", BOT_UNLINKALL);
for (i = 0; i < dcc_total; i++) {
if ((nick[0] == '*') || !strcasecmp(dcc[i].nick, nick)) {
if (dcc[i].type == &DCC_FORK_BOT) {
if (idx >= 0)
dprintf(idx, "%s: %s -> %s.\n", BOT_KILLLINKATTEMPT,
dcc[i].nick, dcc[i].host);
putlog(LOG_BOTS, "*", "%s: %s -> %s:%d",
BOT_KILLLINKATTEMPT, dcc[i].nick,
dcc[i].host, dcc[i].port);
killsock(dcc[i].sock);
lostdcc(i);
if (nick[0] != '*')
return 1;
} else if (dcc[i].type == &DCC_BOT_NEW) {
if (idx >= 0)
dprintf(idx, "%s %s.\n", BOT_ENDLINKATTEMPT,
dcc[i].nick);
putlog(LOG_BOTS, "*", "%s %s @ %s:%d",
"Stopped trying to link", dcc[i].nick,
dcc[i].host, dcc[i].port);
killsock(dcc[i].sock);
lostdcc(i);
if (nick[0] != '*')
return 1;
else
i--;
} else if (dcc[i].type == &DCC_BOT) {
char s[1024];
Context;
if (idx >= 0)
dprintf(idx, "%s %s.\n", BOT_BREAKLINK, dcc[i].nick);
else if ((idx == -3) && (b_status(i) & STAT_SHARE) && !share_unlinks)
return -1;
dprintf(i, "bye\n");
if (reason && reason[0]) {
simple_sprintf(s, "%s %s (%s)", BOT_UNLINKEDFROM,
dcc[i].nick, reason);
} else {
simple_sprintf(s, "%s %s", BOT_UNLINKEDFROM, dcc[i].nick);
}
chatout("*** %s\n", s);
botnet_send_unlinked(i, dcc[i].nick, s);
killsock(dcc[i].sock);
lostdcc(i);
if (nick[0] != '*')
return 1;
else
i--;
}
}
}
Context;
if ((idx >= 0) && (nick[0] != '*')) {
dprintf(idx, "%s\n", BOT_NOTCONNECTED);
/* The internal bot list is desynched from the dcc list
* sometimes. While we still search for the bug, provide
* an easy way to clear out those `ghost'-bots. -FK
*/
bot = findbot(nick);
if (bot) {
dprintf(idx, "BUG: Found bot `%s' in internal bot list! Removing.\n",
nick);
rembot(bot->bot);
}
}
if (nick[0] == '*') {
dprintf(idx, "%s\n", BOT_WIPEBOTTABLE);
while (tandbot)
rembot(tandbot->bot);
while (parties) {
parties--;
/* Assert? */
if (party[i].chan >= 0)
check_tcl_chpt(party[i].bot, party[i].nick, party[i].sock,
party[i].chan);
}
strcpy(s, "killassoc &");
Tcl_Eval(interp, s);
}
return 0;
}
/* Newbot next share?
*/
static void bot_nlinked(int idx, char *par)
{
char *newbot = NULL, *next = NULL, *p = NULL, s[1024] = "", x = 0, *vversion = NULL, *vcommit = NULL;
int i, vlocalhub = 0;
time_t vbuildts = 0L;
bool bogus = 0;
newbot = newsplit(&par);
next = newsplit(&par);
s[0] = 0;
if (!next[0]) {
putlog(LOG_BOTS, "*", "Invalid eggnet protocol from %s (zapfing)", dcc[idx].nick);
simple_snprintf(s, sizeof(s), "Disconnected %s (invalid bot)", dcc[idx].nick);
dprintf(idx, "error invalid eggnet protocol for 'nlinked'\n");
} else if ((in_chain(newbot)) || (!strcasecmp(newbot, conf.bot->nick))) {
/* Loop! */
putlog(LOG_BOTS, "*", "Loop detected %s (mutual: %s)", dcc[idx].nick, newbot);
simple_snprintf(s, sizeof(s), "Detected loop: two bots exist named %s: disconnecting %s", newbot, dcc[idx].nick);
dprintf(idx, "error Loop (%s)\n", newbot);
}
if (!s[0]) {
for (p = newbot; *p; p++)
if ((*p < 32) || (*p == 127))
bogus = 1;
i = nextbot(next);
if (i != idx)
bogus = 1;
if (bogus) {
putlog(LOG_BOTS, "*", "Bogus link notice from %s! (%s -> %s)", dcc[idx].nick, next, newbot);
simple_snprintf(s, sizeof(s), "Bogus link notice from: %s Disconnected", dcc[idx].nick);
dprintf(idx, "error Bogus link notice from (%s -> %s)\n", next, newbot);
}
}
if (s[0]) {
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
dprintf(idx, "bye %s\n", s);
killsock(dcc[idx].sock);
lostdcc(idx);
return;
}
x = par[0];
if (x)
par++;
else
x = '-';
if (par[0])
newsplit(&par); /* vnum */
if (par[0])
vlocalhub = atoi(newsplit(&par));
if (par[0])
vbuildts = atol(newsplit(&par));
if (par[0])
vcommit = newsplit(&par);
if (par[0])
vversion = newsplit(&par);
botnet_send_nlinked(idx, newbot, next, x, vlocalhub, vbuildts, vcommit, vversion);
if (x == '!') {
if (conf.bot->hub)
chatout("*** (%s) %s %s.\n", next, "Linked to", newbot);
else
chatout("*** %s linked to botnet.\n", newbot);
x = '-';
}
addbot(newbot, dcc[idx].nick, next, x, vlocalhub, vbuildts, vcommit, vversion ? vversion : (char *) "");
}
/* Newbot next share?
*/
static void bot_nlinked(int idx, char *par)
{
char *newbot, *next, *p, s[1024], x;
int bogus = 0, i;
struct userrec *u;
newbot = newsplit(&par);
next = newsplit(&par);
s[0] = 0;
if (!next[0]) {
putlog(LOG_BOTS, "*", "Invalid eggnet protocol from %s (zapfing)",
dcc[idx].nick);
simple_sprintf(s, "%s %s (%s)", MISC_DISCONNECTED, dcc[idx].nick,
MISC_INVALIDBOT);
dprintf(idx, "error invalid eggnet protocol for 'nlinked'\n");
} else if ((in_chain(newbot)) || (!egg_strcasecmp(newbot, botnetnick))) {
/* Loop! */
putlog(LOG_BOTS, "*", "%s %s (mutual: %s)",
BOT_LOOPDETECT, dcc[idx].nick, newbot);
simple_sprintf(s, "%s %s: disconnecting %s", MISC_LOOP, newbot,
dcc[idx].nick);
dprintf(idx, "error Loop (%s)\n", newbot);
}
if (!s[0]) {
for (p = newbot; *p; p++)
if ((*p < 32) || (*p == 127) || ((p - newbot) >= HANDLEN))
bogus = 1;
i = nextbot(next);
if (i != idx)
bogus = 1;
}
if (bogus) {
putlog(LOG_BOTS, "*", "%s %s! (%s -> %s)", BOT_BOGUSLINK, dcc[idx].nick,
next, newbot);
simple_sprintf(s, "%s: %s %s", BOT_BOGUSLINK, dcc[idx].nick,
MISC_DISCONNECTED);
dprintf(idx, "error %s (%s -> %s)\n", BOT_BOGUSLINK, next, newbot);
}
if (bot_flags(dcc[idx].user) & BOT_LEAF) {
putlog(LOG_BOTS, "*", "%s %s (%s %s)",
BOT_DISCONNLEAF, dcc[idx].nick, newbot, BOT_LINKEDTO);
simple_sprintf(s, "%s %s (to %s): %s",
BOT_ILLEGALLINK, dcc[idx].nick, newbot, MISC_DISCONNECTED);
dprintf(idx, "error %s\n", BOT_YOUREALEAF);
}
if (s[0]) {
chatout("*** %s\n", s);
botnet_send_unlinked(idx, dcc[idx].nick, s);
dprintf(idx, "bye %s\n", BOT_ILLEGALLINK);
killsock(dcc[idx].sock);
lostdcc(idx);
return;
}
x = par[0];
if (x)
par++;
else
x = '-';
#ifndef NO_OLD_BOTNET
if (dcc[idx].u.bot->numver < NEAT_BOTNET)
i = atoi(par);
else
#endif
i = base64_to_int(par);
botnet_send_nlinked(idx, newbot, next, x, i);
if (x == '!') {
chatout("*** (%s) %s %s.\n", next, NET_LINKEDTO, newbot);
x = '-';
}
addbot(newbot, dcc[idx].nick, next, x, i);
check_tcl_link(newbot, next);
u = get_user_by_handle(userlist, newbot);
if (bot_flags(u) & BOT_REJECT) {
botnet_send_reject(idx, botnetnick, NULL, newbot, NULL, NULL);
putlog(LOG_BOTS, "*", "%s %s %s %s", BOT_REJECTING,
newbot, MISC_FROM, dcc[idx].nick);
}
}
/* reject <from> <bot>
*/
static void bot_reject(int idx, char *par)
{
char *from, *who, *destbot, *frombot;
struct userrec *u;
int i;
if (bot_flags(dcc[idx].user) & BOT_ISOLATE)
return;
from = newsplit(&par);
frombot = strchr(from, '@');
if (frombot)
frombot++;
else
frombot = from;
i = nextbot(frombot);
if (i != idx) {
fake_alert(idx, "direction", frombot);
return;
}
who = newsplit(&par);
if (!(destbot = strchr(who, '@'))) {
/* Rejecting a bot */
i = nextbot(who);
if (i < 0) {
botnet_send_priv(idx, botnetnick, from, NULL, "%s %s (%s)",
BOT_CANTUNLINK, who, BOT_DOESNTEXIST);
} else if (!egg_strcasecmp(dcc[i].nick, who)) {
char s[1024];
/* I'm the connection to the rejected bot */
putlog(LOG_BOTS, "*", "%s %s %s", from, MISC_REJECTED, dcc[i].nick);
dprintf(i, "bye %s\n", par[0] ? par : MISC_REJECTED);
simple_sprintf(s, "%s %s (%s: %s)",
MISC_DISCONNECTED, dcc[i].nick, from,
par[0] ? par : MISC_REJECTED);
chatout("*** %s\n", s);
botnet_send_unlinked(i, dcc[i].nick, s);
killsock(dcc[i].sock);
lostdcc(i);
} else {
if (i >= 0)
botnet_send_reject(i, from, NULL, who, NULL, par);
}
} else { /* Rejecting user */
*destbot++ = 0;
if (!egg_strcasecmp(destbot, botnetnick)) {
/* Kick someone here! */
int ok = 0;
if (remote_boots == 1) {
frombot = strchr(from, '@');
if (frombot == NULL)
frombot = from;
else
frombot++;
u = get_user_by_handle(userlist, frombot);
if (!(bot_flags(u) & BOT_SHARE)) {
add_note(from, botnetnick, "No non sharebot boots.", -1, 0);
ok = 1;
}
} else if (remote_boots == 0) {
botnet_send_priv(idx, botnetnick, from, NULL, "%s", BOT_NOREMOTEBOOT);
ok = 1;
}
for (i = 0; (i < dcc_total) && !ok; i++)
if ((!egg_strcasecmp(who, dcc[i].nick)) &&
(dcc[i].type->flags & DCT_CHAT)) {
u = get_user_by_handle(userlist, dcc[i].nick);
if (u && (u->flags & USER_OWNER)) {
add_note(from, botnetnick, BOT_NOOWNERBOOT, -1, 0);
return;
}
do_boot(i, from, par);
ok = 1;
putlog(LOG_CMDS, "*", "#%s# boot %s (%s)", from, who,
par[0] ? par : "No reason");
}
} else {
i = nextbot(destbot);
*--destbot = '@';
if (i >= 0)
botnet_send_reject(i, from, NULL, who, NULL, par);
}
}
}
