int icec_recv(const imc_packet *p, int bcast) {
/* redirected msg */
if(!strcasecmp(p->type, "ice-msg-r")) {
icec_recv_msg_r(p->from,
imc_getkey(&p->data, "realfrom", ""),
imc_getkey(&p->data, "channel", ""),
imc_getkey(&p->data, "text", ""),
imc_getkeyi(&p->data, "emote", 0));
return 1;
} else if(!strcasecmp(p->type, "ice-msg-b")) {
icec_recv_msg_b(p->from,
imc_getkey(&p->data, "channel", ""),
imc_getkey(&p->data, "text", ""),
imc_getkeyi(&p->data, "emote", 0));
return 1;
} else if(!strcasecmp(p->type, "ice-update")) {
icec_recv_update(p->from,
imc_getkey(&p->data, "channel", ""),
imc_getkey(&p->data, "owner", ""),
imc_getkey(&p->data, "operators", ""),
imc_getkey(&p->data, "policy", ""),
imc_getkey(&p->data, "invited", ""),
imc_getkey(&p->data, "excluded", ""));
return 1;
} else if(!strcasecmp(p->type, "ice-destroy")) {
icec_recv_destroy(p->from, imc_getkey(&p->data, "channel", ""));
return 1;
} else {
return 0;
}
}
/* convert from the char data in 'p' to an internal representation in 'd' */
static void getdata(const imc_packet *p, imc_char_data *d)
{
int trust=1;
if (imc_findignore(p->from, IMC_NOTRUST))
trust=0;
if (imc_findignore(p->from, IMC_TRUST))
trust=1;
strcpy(d->name, p->from);
d->wizi = trust ? imc_getkeyi(&p->data, "wizi", 0) : 0;
d->level = trust ? imc_getkeyi(&p->data, "level", 0) : 0;
d->invis = 0;
}
static int can_forward(const imc_packet *p)
{
if (!strcasecmp(p->type, "chat") ||
!strcasecmp(p->type, "emote"))
{
int chan=imc_getkeyi(&p->data, "channel", 0);
if (chan==0 || chan==1 || chan==3)
return 0;
}
return 1;
}
/* handle a packet destined for us, or a broadcast */
void imc_recv(const imc_packet *p)
{
imc_char_data d;
int bcast;
imc_reminfo *i;
bcast=!strcmp(imc_mudof(p->i.to), "*") ? 1 : 0;
getdata(p, &d);
if(!imc_is_router)
{
i=imc_find_reminfo(imc_mudof(p->from),0);
if(i)
{
if(i->path)
imc_strfree(i->path);
i->path=imc_strdup(p->i.path);
i->ping=0;
i->type=0;
}
}
/* chat: message to a channel (broadcast) */
if (!strcasecmp(p->type, "chat") && !imc_isignored(p->from))
imc_recv_chat(&d, imc_getkeyi(&p->data, "channel", 0),
imc_getkey(&p->data, "text", ""));
/* emote: emote to a channel (broadcast) */
else if (!strcasecmp(p->type, "emote") && !imc_isignored(p->from))
imc_recv_emote(&d, imc_getkeyi(&p->data, "channel", 0),
imc_getkey(&p->data, "text", ""));
/* tell: tell a player here something */
else if (!strcasecmp(p->type, "tell"))
{
if (imc_isignored(p->from))
{
imc_sendignore(p->from);
}
else
{
imc_recv_tell(&d, p->to, imc_getkey(&p->data, "text", ""),
imc_getkeyi(&p->data, "isreply", 0));
}
}
/* who-reply: receive a who response */
else if (!strcasecmp(p->type, "who-reply"))
imc_recv_whoreply(p->to, imc_getkey(&p->data, "text", ""),
imc_getkeyi(&p->data, "sequence", -1));
/* who: receive a who request */
else if (!strcasecmp(p->type, "who"))
{
if (imc_isignored(p->from))
{
imc_sendignore(p->from);
}
else
{
imc_recv_who(&d, imc_getkey(&p->data, "type", "who"));
}
}
/* whois-reply: receive a whois response */
else if (!strcasecmp(p->type, "whois-reply"))
imc_recv_whoisreply(p->to, imc_getkey(&p->data, "text", ""));
/* whois: receive a whois request */
else if (!strcasecmp(p->type, "whois"))
imc_recv_whois(&d, p->to);
/* beep: beep a player */
else if (!strcasecmp(p->type, "beep"))
{
if (imc_isignored(p->from))
{
imc_sendignore(p->from);
}
else
{
imc_recv_beep(&d, p->to);
}
}
/* is-alive: receive a keepalive (broadcast) */
else if (!strcasecmp(p->type, "is-alive"))
imc_recv_keepalive(imc_mudof(p->from),
imc_getkey(&p->data, "versionid", "unknown"),
imc_getkey(&p->data, "flags", ""));
/* ping: receive a ping request */
else if (!strcasecmp(p->type, "ping"))
imc_recv_ping(imc_mudof(p->from), imc_getkeyi(&p->data, "time-s", 0),
imc_getkeyi(&p->data, "time-us", 0), p->i.path);
/* ping-reply: receive a ping reply */
else if (!strcasecmp(p->type, "ping-reply"))
imc_recv_pingreply(imc_mudof(p->from), imc_getkeyi(&p->data, "time-s", 0),
imc_getkeyi(&p->data, "time-us", 0),
imc_getkey(&p->data, "path", NULL), p->i.path);
/* mail: mail something to a local player */
else if (!strcasecmp(p->type, "mail"))
imc_recv_mail(imc_getkey(&p->data, "from", "error@hell"),
imc_getkey(&p->data, "to", "error@hell"),
imc_getkey(&p->data, "date", "(IMC error: bad date)"),
imc_getkey(&p->data, "subject", "no subject"),
imc_getkey(&p->data, "id", "bad_id"),
imc_getkey(&p->data, "text", ""));
/* mail-ok: remote confirmed that they got the mail ok */
else if (!strcasecmp(p->type, "mail-ok"))
imc_recv_mailok(p->from, imc_getkey(&p->data, "id", "bad_id"));
/* mail-reject: remote rejected our mail, bounce it */
else if (!strcasecmp(p->type, "mail-reject"))
imc_recv_mailrej(p->from, imc_getkey(&p->data, "id", "bad_id"),
imc_getkey(&p->data, "reason",
"(IMC error: no reason supplied"));
/* handle keepalive requests - shogar */
else if (!strcasecmp(p->type, "keepalive-request"))
{
if(imc_is_router)
imc_logstring("Recieved keepalive request from %s", p->from);
imc_send_keepalive();
}
/* expire closed hubs - shogar */
else if (!strcasecmp(p->type, "close-notify"))
{
imc_reminfo *r;
char fake[90];
struct timeval tv;
if(imc_is_router)
imc_logstring("%s reports %s closed.", p->from,
imc_getkey(&p->data, "host","unknown"));
if(imc_is_router)
return;
r = imc_find_reminfo(imc_getkey(&p->data,"host","unknown"),0);
if(r)
{
r->type = IMC_REMINFO_EXPIRED;
for(r=imc_reminfo_list;r;r=r->next)
{
char *sf;
sprintf(fake,"!%s",imc_getkey(&p->data,"host","___unknown"));
if(r->name
&& r->path
&& (sf=strstr(r->path,fake))
&& sf
&& (*(sf+strlen(fake))=='!' || *(sf+strlen(fake)) == 0)
)
{
// imc_logstring("Expiring %s",r->path);
r->type = IMC_REMINFO_EXPIRED;
gettimeofday(&tv, NULL);
imc_send_ping(r->name, tv.tv_sec, tv.tv_usec);
}
}
}
}
/* These 4 added by me for the auto-hub-swap -- Scion 1/9/99 */
else if (!strcasecmp(p->type, "inforequest")) /* Request connection info from all 1.00a hubs -- Scion */
imc_recv_inforequest(p->from); /* Had to use inforequest because 0.10 responds to info-request :) */
else if (!strcasecmp(p->type, "info-reply")) /* receive the reply from the inforequest :) -- Scion */
imc_recv_info_reply(p->from, imc_getkey(&p->data, "hub", "no"), imc_getkeyi(&p->data, "direct", -1));
else if (!strcasecmp(p->type, "switch-reply")) /* hub confirmed that it added a connection to us. -- Scion */
imc_autoconnect_reply_accept( /* Add a connection back to the hub */
p->from,
imc_getkey(&p->data, "host", "!!!"),
imc_getkeyi(&p->data, "port", -1),
imc_getkey(&p->data, "clientpw", "password"),
imc_getkey(&p->data, "serverpw", "password"),
imc_getkeyi(&p->data, "rcvstamp", 0),
imc_getkeyi(&p->data, "noforward", 0),
imc_getkey(&p->data, "flags", "none"),
imc_getkey(&p->data, "localname", "!!!"),
imc_getkey(&p->data, "confirm", "not accepted")
);
else if (!strcasecmp(p->type, "imc-switch")) /* hub receives request to add a connection -- Scion */
imc_recv_autoconnect(
p->from,
imc_getkey(&p->data, "host", "!!!"),
imc_getkeyi(&p->data, "port", -1),
imc_getkey(&p->data, "clientpw", "password"),
imc_getkey(&p->data, "serverpw", "password"),
imc_getkeyi(&p->data, "rcvstamp", 0),
imc_getkeyi(&p->data, "noforward", 0),
imc_getkey(&p->data, "flags", "none"),
imc_getkey(&p->data, "localname", "!!!")
);
/* call catch-all fn if present */
else
{
imc_packet out;
if (imc_recv_hook)
if ((*imc_recv_hook)(p, bcast))
return;
if (bcast || !strcasecmp(p->type, "reject"))
return;
/* reject packet */
if (!imc_is_router)
{
strcpy(out.type, "reject");
strcpy(out.to, p->from);
strcpy(out.from, p->to);
imc_clonedata(&p->data, &out.data);
imc_addkey(&out.data, "old-type", p->type);
imc_send(&out);
imc_freedata(&out.data);
}
}
}
