static mowgli_node_t *charybdis_next_matching_ban(channel_t *c, user_t *u, int type, mowgli_node_t *first)
{
chanban_t *cb;
mowgli_node_t *n;
char hostbuf[NICKLEN+USERLEN+HOSTLEN];
char realbuf[NICKLEN+USERLEN+HOSTLEN];
char ipbuf[NICKLEN+USERLEN+HOSTLEN];
char strippedmask[NICKLEN+USERLEN+HOSTLEN+CHANNELLEN+2];
char *p;
bool negate, matched;
int exttype;
channel_t *target_c;
snprintf(hostbuf, sizeof hostbuf, "%s!%s@%s", u->nick, u->user, u->vhost);
snprintf(realbuf, sizeof realbuf, "%s!%s@%s", u->nick, u->user, u->host);
/* will be nick!user@ if ip unknown, doesn't matter */
snprintf(ipbuf, sizeof ipbuf, "%s!%s@%s", u->nick, u->user, u->ip);
MOWGLI_ITER_FOREACH(n, first)
{
cb = n->data;
if (cb->type != type)
continue;
/*
* strip any banforwards from the mask. (SRV-73)
* charybdis itself doesn't support banforward but i don't feel like copying
* this stuff into ircd-seven and it is possible that charybdis may support them
* one day.
* --nenolod
*/
mowgli_strlcpy(strippedmask, cb->mask, sizeof strippedmask);
p = strrchr(strippedmask, '$');
if (p != NULL && p != strippedmask)
*p = 0;
if ((!match(strippedmask, hostbuf) || !match(strippedmask, realbuf) || !match(strippedmask, ipbuf) || !match_cidr(strippedmask, ipbuf)))
return n;
if (strippedmask[0] == '$')
{
p = strippedmask + 1;
negate = *p == '~';
if (negate)
p++;
exttype = *p++;
if (exttype == '\0')
continue;
/* check parameter */
if (*p++ != ':')
p = NULL;
switch (exttype)
{
case 'a':
matched = u->myuser != NULL && !(u->myuser->flags & MU_WAITAUTH) && (p == NULL || !match(p, entity(u->myuser)->name));
break;
case 'c':
if (p == NULL)
continue;
target_c = channel_find(p);
if (target_c == NULL || (target_c->modes & (CMODE_PRIV | CMODE_SEC)))
continue;
matched = chanuser_find(target_c, u) != NULL;
break;
case 'o':
matched = is_ircop(u);
break;
case 'r':
if (p == NULL)
continue;
matched = !match(p, u->gecos);
break;
case 's':
if (p == NULL)
continue;
matched = !match(p, u->server->name);
break;
case 'x':
if (p == NULL)
continue;
matched = extgecos_match(p, u);
break;
default:
continue;
}
if (negate ^ matched)
return n;
}
}
static mowgli_node_t *inspircd_next_matching_ban(channel_t *c, user_t *u, int type, mowgli_node_t *first)
{
chanban_t *cb;
mowgli_node_t *n;
char hostbuf[NICKLEN+USERLEN+HOSTLEN];
char realbuf[NICKLEN+USERLEN+HOSTLEN];
char ipbuf[NICKLEN+USERLEN+HOSTLEN];
char *p;
snprintf(hostbuf, sizeof hostbuf, "%s!%s@%s", u->nick, u->user, u->vhost);
snprintf(realbuf, sizeof realbuf, "%s!%s@%s", u->nick, u->user, u->host);
/* will be nick!user@ if ip unknown, doesn't matter */
snprintf(ipbuf, sizeof ipbuf, "%s!%s@%s", u->nick, u->user, u->ip);
MOWGLI_ITER_FOREACH(n, first)
{
channel_t *target_c;
cb = n->data;
if (cb->type != type)
continue;
if ((!match(cb->mask, hostbuf) || !match(cb->mask, realbuf) || !match(cb->mask, ipbuf)) || !match_cidr(cb->mask, ipbuf))
return n;
if (cb->mask[1] == ':' && strchr("MRUjrm", cb->mask[0]))
{
bool matched = false;
p = cb->mask + 2;
if (*(p - 1) != ':')
p = NULL;
switch (cb->mask[0])
{
case 'M':
case 'R':
matched = u->myuser != NULL && !(u->myuser->flags & MU_WAITAUTH) && (p == NULL || !match(p, entity(u->myuser)->name));
break;
case 'U':
matched = u->myuser == NULL;
break;
case 'j':
if (p == NULL)
continue;
target_c = channel_find(p);
if (target_c == NULL || (target_c->modes & (CMODE_PRIV | CMODE_SEC)))
continue;
matched = chanuser_find(target_c, u) != NULL;
break;
case 'r':
if (p == NULL)
continue;
matched = !match(p, u->gecos);
break;
case 'm':
matched = (!match(p, hostbuf) || !match(p, realbuf) || !match(p, ipbuf)) || !match_cidr(p, ipbuf);
break;
default:
continue;
}
if (matched)
return n;
}
}