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anope/src/core/cs_akick.c
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rburchell 723e3f2ce0 PERMISSION_DENIED -> ACCESS_DENIED string. 
git-svn-id: http://anope.svn.sourceforge.net/svnroot/anope/trunk@2281 5417fbe8-f217-4b02-8779-1006273d7864
2009-04-16 20:28:21 +00:00

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/* ChanServ core functions
*
* (C) 2003-2009 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*
* $Id$
*
*/
/*************************************************************************/
#include "module.h"
/* Split a usermask up into its constitutent parts. Returned strings are
* malloc()'d, and should be free()'d when done with. Returns "*" for
* missing parts.
*/
static void split_usermask(const char *mask, const char **nick, const char **user,
const char **host)
{
char *mask2 = sstrdup(mask);
*nick = strtok(mask2, "!");
*user = strtok(NULL, "@");
*host = strtok(NULL, "");
/* Handle special case: mask == user@host */
if (*nick && !*user && strchr(*nick, '@')) {
*nick = NULL;
*user = strtok(mask2, "@");
*host = strtok(NULL, "");
}
if (!*nick)
*nick = "*";
if (!*user)
*user = "*";
if (!*host)
*host = "*";
*nick = sstrdup(*nick);
*user = sstrdup(*user);
*host = sstrdup(*host);
delete [] mask2;
}
int akick_del(User * u, AutoKick * akick)
{
if (!(akick->flags & AK_USED))
return 0;
if (akick->flags & AK_ISNICK) {
akick->u.nc = NULL;
} else {
delete [] akick->u.mask;
akick->u.mask = NULL;
}
if (akick->reason) {
delete [] akick->reason;
akick->reason = NULL;
}
if (akick->creator) {
delete [] akick->creator;
akick->creator = NULL;
}
akick->addtime = 0;
akick->flags = 0;
return 1;
}
int akick_del_callback(User * u, int num, va_list args)
{
ChannelInfo *ci = va_arg(args, ChannelInfo *);
int *last = va_arg(args, int *);
*last = num;
if (num < 1 || num > ci->akickcount)
return 0;
return akick_del(u, &ci->akick[num - 1]);
}
int akick_list(User * u, int index, ChannelInfo * ci, int *sent_header)
{
AutoKick *akick = &ci->akick[index];
if (!(akick->flags & AK_USED))
return 0;
if (!*sent_header) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_HEADER, ci->name);
*sent_header = 1;
}
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_FORMAT, index + 1,
((akick->flags & AK_ISNICK) ? akick->u.nc->
display : akick->u.mask),
(akick->reason ? akick->
reason : getstring(u, NO_REASON)));
return 1;
}
int akick_list_callback(User * u, int num, va_list args)
{
ChannelInfo *ci = va_arg(args, ChannelInfo *);
int *sent_header = va_arg(args, int *);
if (num < 1 || num > ci->akickcount)
return 0;
return akick_list(u, num - 1, ci, sent_header);
}
int akick_view(User * u, int index, ChannelInfo * ci, int *sent_header)
{
AutoKick *akick = &ci->akick[index];
char timebuf[64];
struct tm tm;
if (!(akick->flags & AK_USED))
return 0;
if (!*sent_header) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_HEADER, ci->name);
*sent_header = 1;
}
if (akick->addtime) {
tm = *localtime(&akick->addtime);
strftime_lang(timebuf, sizeof(timebuf), u,
STRFTIME_SHORT_DATE_FORMAT, &tm);
} else {
snprintf(timebuf, sizeof(timebuf), "%s", getstring(u, UNKNOWN));
}
notice_lang(s_ChanServ, u,
((akick->
flags & AK_STUCK) ? CHAN_AKICK_VIEW_FORMAT_STUCK :
CHAN_AKICK_VIEW_FORMAT), index + 1,
((akick->flags & AK_ISNICK) ? akick->u.nc->
display : akick->u.mask),
akick->creator ? akick->creator : getstring(u,
UNKNOWN),
timebuf,
(akick->reason ? akick->
reason : getstring(u, NO_REASON)));
return 1;
}
int akick_view_callback(User * u, int num, va_list args)
{
ChannelInfo *ci = va_arg(args, ChannelInfo *);
int *sent_header = va_arg(args, int *);
if (num < 1 || num > ci->akickcount)
return 0;
return akick_view(u, num - 1, ci, sent_header);
}
int get_access_nc(NickCore *nc, ChannelInfo *ci)
{
ChanAccess *access;
if (!ci || !nc)
return 0;
if ((access = ci->GetAccess(nc)))
return access->level;
return 0;
}
class CommandCSAKick : public Command
{
public:
CommandCSAKick() : Command("AKICK", 2, 4)
{
}
CommandReturn Execute(User *u, std::vector<std::string> &params)
{
const char *chan = params[0].c_str();
const char *cmd = params[1].c_str();
const char *mask = params.size() > 2 ? params[2].c_str() : NULL;
const char *reason = NULL;
if (params.size() > 3)
{
params[3].resize(200); // XXX: is this right?
reason = params[3].c_str();
}
ChannelInfo *ci;
AutoKick *akick;
int i;
Channel *c;
struct c_userlist *cu = NULL;
struct c_userlist *unext;
User *u2;
const char *argv[3];
int count = 0;
if (!cmd || (!mask && (!stricmp(cmd, "ADD") || !stricmp(cmd, "STICK")
|| !stricmp(cmd, "UNSTICK")
|| !stricmp(cmd, "DEL")))) {
syntax_error(s_ChanServ, u, "AKICK", CHAN_AKICK_SYNTAX);
} else if (!(ci = cs_findchan(chan))) {
notice_lang(s_ChanServ, u, CHAN_X_NOT_REGISTERED, chan);
} else if (!check_access(u, ci, CA_AKICK) && !u->nc->HasPriv("chanserv/access/change"))
{
notice_lang(s_ChanServ, u, ACCESS_DENIED);
} else if (stricmp(cmd, "ADD") == 0) {
NickAlias *na = findnick(mask), *na2;
NickCore *nc = NULL;
const char *nick, *user, *host;
int freemask = 0;
if (readonly) {
notice_lang(s_ChanServ, u, CHAN_AKICK_DISABLED);
return MOD_CONT;
}
if (!na) {
split_usermask(mask, &nick, &user, &host);
char *smask = new char[strlen(nick) + strlen(user) + strlen(host) + 3];
freemask = 1;
sprintf(smask, "%s!%s@%s", nick, user, host);
mask = smask;
delete [] nick;
delete [] user;
delete [] host;
} else {
if (na->status & NS_FORBIDDEN) {
notice_lang(s_ChanServ, u, NICK_X_FORBIDDEN, mask);
return MOD_CONT;
}
nc = na->nc;
}
/* Check excepts BEFORE we get this far */
if (ircd->except) {
if (is_excepted_mask(ci, mask) == 1) {
notice_lang(s_ChanServ, u, CHAN_EXCEPTED, mask, chan);
if (freemask)
delete [] mask;
return MOD_CONT;
}
}
/* Check whether target nick has equal/higher access
* or whether the mask matches a user with higher/equal access - Viper */
if ((ci->flags & CI_PEACE) && nc) {
if ((nc == ci->founder) || (get_access_nc(nc, ci) >= get_access(u, ci))) {
notice_lang(s_ChanServ, u, ACCESS_DENIED);
if (freemask)
delete [] mask;
return MOD_CONT;
}
} else if ((ci->flags & CI_PEACE)) {
char buf[BUFSIZE];
/* Match against all currently online users with equal or
* higher access. - Viper */
for (i = 0; i < 1024; i++) {
for (u2 = userlist[i]; u2; u2 = u2->next) {
if (is_founder(u2, ci) || (get_access(u2, ci) >= get_access(u, ci))) {
if (match_usermask(mask, u2)) {
notice_lang(s_ChanServ, u, ACCESS_DENIED);
delete [] mask;
return MOD_CONT;
}
}
}
}
/* Match against the lastusermask of all nickalias's with equal
* or higher access. - Viper */
for (i = 0; i < 1024; i++) {
for (na2 = nalists[i]; na2; na2 = na2->next) {
if (na2->status & NS_FORBIDDEN)
continue;
if (na2->nc && ((na2->nc == ci->founder) || (get_access_nc(na2->nc, ci)
>= get_access(u, ci)))) {
snprintf(buf, BUFSIZE, "%s!%s", na2->nick, na2->last_usermask);
if (Anope::Match(buf, mask, false)) {
notice_lang(s_ChanServ, u, ACCESS_DENIED);
delete [] mask;
return MOD_CONT;
}
}
}
}
}
for (akick = ci->akick, i = 0; i < ci->akickcount; akick++, i++) {
if (!(akick->flags & AK_USED))
continue;
if ((akick->flags & AK_ISNICK) ? akick->u.nc == nc
: stricmp(akick->u.mask, mask) == 0) {
notice_lang(s_ChanServ, u, CHAN_AKICK_ALREADY_EXISTS,
(akick->flags & AK_ISNICK) ? akick->u.nc->
display : akick->u.mask, chan);
if (freemask)
delete [] mask;
return MOD_CONT;
}
}
/* All entries should be in use so we don't have to go over
* the entire list. We simply add new entries at the end. */
if (ci->akickcount >= CSAutokickMax) {
notice_lang(s_ChanServ, u, CHAN_AKICK_REACHED_LIMIT, CSAutokickMax);
if (freemask)
delete [] mask;
return MOD_CONT;
}
ci->akickcount++;
ci->akick =
static_cast<AutoKick *>(srealloc(ci->akick, sizeof(AutoKick) * ci->akickcount));
akick = &ci->akick[i];
akick->flags = AK_USED;
if (nc) {
akick->flags |= AK_ISNICK;
akick->u.nc = nc;
} else {
akick->u.mask = sstrdup(mask);
}
akick->creator = sstrdup(u->nick);
akick->addtime = time(NULL);
if (reason) {
akick->reason = sstrdup(reason);
} else {
akick->reason = NULL;
}
/* Auto ENFORCE #63 */
c = findchan(ci->name);
if (c) {
cu = c->users;
while (cu) {
unext = cu->next;
if (check_kick(cu->user, c->name, c->creation_time)) {
argv[0] = sstrdup(c->name);
argv[1] = sstrdup(cu->user->nick);
if (akick->reason)
argv[2] = sstrdup(akick->reason);
else
argv[2] = sstrdup("none");
do_kick(s_ChanServ, 3, argv);
delete [] argv[2];
delete [] argv[1];
delete [] argv[0];
count++;
}
cu = unext;
}
}
notice_lang(s_ChanServ, u, CHAN_AKICK_ADDED, mask, chan);
if (count)
notice_lang(s_ChanServ, u, CHAN_AKICK_ENFORCE_DONE, chan,
count);
if (freemask)
delete [] mask;
} else if (stricmp(cmd, "STICK") == 0) {
NickAlias *na;
NickCore *nc;
if (readonly) {
notice_lang(s_ChanServ, u, CHAN_AKICK_DISABLED);
return MOD_CONT;
}
if (ci->akickcount == 0) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_EMPTY, ci->name);
return MOD_CONT;
}
na = findnick(mask);
nc = (na ? na->nc : NULL);
for (akick = ci->akick, i = 0; i < ci->akickcount; akick++, i++) {
if (!(akick->flags & AK_USED) || (akick->flags & AK_ISNICK))
continue;
if (!stricmp(akick->u.mask, mask))
break;
}
if (i == ci->akickcount) {
notice_lang(s_ChanServ, u, CHAN_AKICK_NOT_FOUND, mask,
ci->name);
return MOD_CONT;
}
akick->flags |= AK_STUCK;
notice_lang(s_ChanServ, u, CHAN_AKICK_STUCK, akick->u.mask,
ci->name);
if (ci->c)
stick_mask(ci, akick);
} else if (stricmp(cmd, "UNSTICK") == 0) {
NickAlias *na;
NickCore *nc;
if (readonly) {
notice_lang(s_ChanServ, u, CHAN_AKICK_DISABLED);
return MOD_CONT;
}
if (ci->akickcount == 0) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_EMPTY, ci->name);
return MOD_CONT;
}
na = findnick(mask);
nc = (na ? na->nc : NULL);
for (akick = ci->akick, i = 0; i < ci->akickcount; akick++, i++) {
if (!(akick->flags & AK_USED) || (akick->flags & AK_ISNICK))
continue;
if (!stricmp(akick->u.mask, mask))
break;
}
if (i == ci->akickcount) {
notice_lang(s_ChanServ, u, CHAN_AKICK_NOT_FOUND, mask,
ci->name);
return MOD_CONT;
}
akick->flags &= ~AK_STUCK;
notice_lang(s_ChanServ, u, CHAN_AKICK_UNSTUCK, akick->u.mask,
ci->name);
} else if (stricmp(cmd, "DEL") == 0) {
int deleted, a, b;
if (readonly) {
notice_lang(s_ChanServ, u, CHAN_AKICK_DISABLED);
return MOD_CONT;
}
if (ci->akickcount == 0) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_EMPTY, chan);
return MOD_CONT;
}
/* Special case: is it a number/list? Only do search if it isn't. */
if (isdigit(*mask) && strspn(mask, "1234567890,-") == strlen(mask)) {
int last = -1;
deleted = process_numlist(mask, &count, akick_del_callback, u,
ci, &last);
if (!deleted) {
if (count == 1) {
notice_lang(s_ChanServ, u, CHAN_AKICK_NO_SUCH_ENTRY,
last, ci->name);
} else {
notice_lang(s_ChanServ, u, CHAN_AKICK_NO_MATCH,
ci->name);
}
} else if (deleted == 1) {
notice_lang(s_ChanServ, u, CHAN_AKICK_DELETED_ONE,
ci->name);
} else {
notice_lang(s_ChanServ, u, CHAN_AKICK_DELETED_SEVERAL,
deleted, ci->name);
}
} else {
NickAlias *na = findnick(mask);
NickCore *nc = (na ? na->nc : NULL);
for (akick = ci->akick, i = 0; i < ci->akickcount;
akick++, i++) {
if (!(akick->flags & AK_USED))
continue;
if (((akick->flags & AK_ISNICK) && akick->u.nc == nc)
|| (!(akick->flags & AK_ISNICK)
&& stricmp(akick->u.mask, mask) == 0))
break;
}
if (i == ci->akickcount) {
notice_lang(s_ChanServ, u, CHAN_AKICK_NOT_FOUND, mask,
chan);
return MOD_CONT;
}
notice_lang(s_ChanServ, u, CHAN_AKICK_DELETED, mask, chan);
akick_del(u, akick);
deleted = 1;
}
if (deleted) {
/* Reordering - DrStein */
for (b = 0; b < ci->akickcount; b++) {
if (ci->akick[b].flags & AK_USED) {
for (a = 0; a < ci->akickcount; a++) {
if (a > b)
break;
if (!(ci->akick[a].flags & AK_USED)) {
ci->akick[a].flags = ci->akick[b].flags;
if (ci->akick[b].flags & AK_ISNICK) {
ci->akick[a].u.nc = ci->akick[b].u.nc;
} else {
ci->akick[a].u.mask =
sstrdup(ci->akick[b].u.mask);
}
/* maybe we should first check whether there
is a reason before we sstdrup it -Certus */
if (ci->akick[b].reason)
ci->akick[a].reason =
sstrdup(ci->akick[b].reason);
else
ci->akick[a].reason = NULL;
ci->akick[a].creator =
sstrdup(ci->akick[b].creator);
ci->akick[a].addtime = ci->akick[b].addtime;
akick_del(u, &ci->akick[b]);
break;
}
}
}
}
/* After reordering only the entries at the end could still be empty.
* We ll free the places no longer in use... - Viper */
for (i = ci->akickcount - 1; i >= 0; i--) {
if (ci->akick[i].flags & AK_USED)
break;
ci->akickcount--;
}
ci->akick =
static_cast<AutoKick *>(srealloc(ci->akick,sizeof(AutoKick) * ci->akickcount));
}
} else if (stricmp(cmd, "LIST") == 0) {
int sent_header = 0;
if (ci->akickcount == 0) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_EMPTY, chan);
return MOD_CONT;
}
if (mask && isdigit(*mask) &&
strspn(mask, "1234567890,-") == strlen(mask)) {
process_numlist(mask, NULL, akick_list_callback, u, ci,
&sent_header);
} else {
for (akick = ci->akick, i = 0; i < ci->akickcount;
akick++, i++) {
if (!(akick->flags & AK_USED))
continue;
if (mask) {
if (!(akick->flags & AK_ISNICK)
&& !Anope::Match(akick->u.mask, mask, false))
continue;
if ((akick->flags & AK_ISNICK)
&& !Anope::Match(akick->u.nc->display, mask, false))
continue;
}
akick_list(u, i, ci, &sent_header);
}
}
if (!sent_header)
notice_lang(s_ChanServ, u, CHAN_AKICK_NO_MATCH, chan);
} else if (stricmp(cmd, "VIEW") == 0) {
int sent_header = 0;
if (ci->akickcount == 0) {
notice_lang(s_ChanServ, u, CHAN_AKICK_LIST_EMPTY, chan);
return MOD_CONT;
}
if (mask && isdigit(*mask) &&
strspn(mask, "1234567890,-") == strlen(mask)) {
process_numlist(mask, NULL, akick_view_callback, u, ci,
&sent_header);
} else {
for (akick = ci->akick, i = 0; i < ci->akickcount;
akick++, i++) {
if (!(akick->flags & AK_USED))
continue;
if (mask) {
if (!(akick->flags & AK_ISNICK)
&& !Anope::Match(akick->u.mask, mask, false))
continue;
if ((akick->flags & AK_ISNICK)
&& !Anope::Match(akick->u.nc->display, mask, false))
continue;
}
akick_view(u, i, ci, &sent_header);
}
}
if (!sent_header)
notice_lang(s_ChanServ, u, CHAN_AKICK_NO_MATCH, chan);
} else if (stricmp(cmd, "ENFORCE") == 0) {
c = findchan(ci->name);
cu = NULL;
count = 0;
if (!c) {
notice_lang(s_ChanServ, u, CHAN_X_NOT_IN_USE, ci->name);
return MOD_CONT;
}
cu = c->users;
while (cu) {
unext = cu->next;
if (check_kick(cu->user, c->name, c->creation_time)) {
argv[0] = sstrdup(c->name);
argv[1] = sstrdup(cu->user->nick);
argv[2] = sstrdup(CSAutokickReason);
do_kick(s_ChanServ, 3, argv);
delete [] argv[2];
delete [] argv[1];
delete [] argv[0];
count++;
}
cu = unext;
}
notice_lang(s_ChanServ, u, CHAN_AKICK_ENFORCE_DONE, chan, count);
} else if (stricmp(cmd, "CLEAR") == 0) {
if (readonly) {
notice_lang(s_ChanServ, u, CHAN_AKICK_DISABLED);
return MOD_CONT;
}
for (akick = ci->akick, i = 0; i < ci->akickcount; akick++, i++) {
if (!(akick->flags & AK_USED))
continue;
akick_del(u, akick);
}
free(ci->akick);
ci->akick = NULL;
ci->akickcount = 0;
notice_lang(s_ChanServ, u, CHAN_AKICK_CLEAR, ci->name);
} else {
syntax_error(s_ChanServ, u, "AKICK", CHAN_AKICK_SYNTAX);
}
return MOD_CONT;
}
bool OnHelp(User *u, const std::string &subcommand)
{
notice_help(s_ChanServ, u, CHAN_HELP_AKICK);
return true;
}
void OnSyntaxError(User *u)
{
syntax_error(s_ChanServ, u, "AKICK", CHAN_AKICK_SYNTAX);
}
};
class CSAKick : public Module
{
public:
CSAKick(const std::string &modname, const std::string &creator) : Module(modname, creator)
{
this->SetAuthor("Anope");
this->SetVersion("$Id$");
this->SetType(CORE);
this->AddCommand(CHANSERV, new CommandCSAKick(), MOD_UNIQUE);
}
void ChanServHelp(User *u)
{
notice_lang(s_ChanServ, u, CHAN_HELP_CMD_AKICK);
}
};
MODULE_INIT("cs_akick", CSAKick)
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