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construct/extensions/extb_canjoin.cc

65 lines
1.6 KiB
C++

/*
* Canjoin extban type: matches users who are or are not banned from a
* specified channel.
* -- nenolod/jilles
*/
namespace mode = ircd::chan::mode;
namespace ext = mode::ext;
using namespace ircd;
static const char extb_desc[] = "Can join ($j) extban type - matches users who are or are not banned from a specified channel";
static int _modinit(void);
static void _moddeinit(void);
static int eb_canjoin(const char *data, struct Client *client_p, chan::chan *chptr, mode::type type);
DECLARE_MODULE_AV2(extb_canjoin, _modinit, _moddeinit, NULL, NULL, NULL, NULL, NULL, extb_desc);
static int
_modinit(void)
{
ext::table['j'] = eb_canjoin;
return 0;
}
static void
_moddeinit(void)
{
ext::table['j'] = NULL;
}
static int
eb_canjoin(const char *data, struct Client *client_p, chan::chan *chptr, mode::type type)
{
using namespace ext;
chan::chan *chptr2;
int ret;
static int recurse = 0;
/* don't process a $j in a $j'ed list */
if (recurse)
return INVALID;
if (data == NULL)
return INVALID;
chptr2 = find_channel(data);
/* must exist, and no point doing this with the same channel */
if (chptr2 == NULL || chptr2 == chptr)
return INVALID;
/* require consistent target */
if (chptr->name[0] == '#' && data[0] == '&')
return INVALID;
/* this allows getting some information about ban exceptions
* but +s/+p doesn't seem the right criterion */
#if 0
/* privacy! don't allow +s/+p channels to influence another channel */
if (!PubChannel(chptr2))
return INVALID;
#endif
recurse = 1;
ret = is_banned(chptr2, client_p, NULL, NULL, NULL, NULL) == mode::BAN ? MATCH : NOMATCH;
recurse = 0;
return ret;
}