solanum-vs-hackint-and-char.../extensions/extb_extgecos.c
TheDaemoness 0ca18d072a extensions/extb_extgecos: Fix breakage
This commit returns $x's old behavior as long as the mask does not
contain a #, otherwise it uses the new behavior that supports
CIDR notation.

This fixes `$x:*badword*` not matching realnames containing "badword".
2023-07-04 05:00:51 -05:00

75 lines
1.6 KiB
C

/*
* Extended extban type: bans all users with matching nick!user@host#gecos.
* Requested by Lockwood.
* - nenolod
*/
#include "stdinc.h"
#include "modules.h"
#include "client.h"
#include "ircd.h"
static const char extb_desc[] = "Extended mask ($x) extban type";
static int _modinit(void);
static void _moddeinit(void);
static int eb_extended(const char *data, struct Client *client_p, struct Channel *chptr, long mode_type);
DECLARE_MODULE_AV2(extb_extended, _modinit, _moddeinit, NULL, NULL, NULL, NULL, NULL, extb_desc);
static int
_modinit(void)
{
extban_table['x'] = eb_extended;
return 0;
}
static void
_moddeinit(void)
{
extban_table['x'] = NULL;
}
static int eb_extended(const char *data, struct Client *client_p,
struct Channel *chptr, long mode_type)
{
(void)chptr;
if (data == NULL)
return EXTBAN_INVALID;
const char *idx = strchr(data, '#');
if (idx != NULL && idx[1] == '\0')
/* Users cannot have empty realnames,
* so don't let a ban be set matching one
*/
return EXTBAN_INVALID;
char buf[BUFSIZE];
if (idx != NULL)
{
// Copy the nick!user@host part of the ban
memcpy(buf, data, (idx - data));
buf[(idx - data)] = '\0';
// Advance to the realname part of the ban
idx++;
if (client_matches_mask(client_p, buf) && match(idx, client_p->info))
return EXTBAN_MATCH;
}
else
{
// Treat data as a pattern to match against the full nick!user@host#gecos.
snprintf(buf, sizeof buf, "%s!%s@%s#%s",
client_p->name, client_p->username, client_p->host, client_p->info);
if (match(data, buf))
return EXTBAN_MATCH;
}
return EXTBAN_NOMATCH;
}