solanum/modules/m_accept.c

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/*
* ircd-ratbox: A slightly useful ircd.
* m_accept.c: Allows a user to talk to a +g user.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "stdinc.h"
#include "client.h"
#include "hash.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
static const char accept_desc[] =
"Provides the ACCEPT command for use with Caller ID/user mode +g";
static void m_accept(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void build_nicklist(struct Client *, char *, char *, const char *);
static void add_accept(struct Client *, struct Client *);
static void list_accepts(struct Client *);
struct Message accept_msgtab = {
"ACCEPT", 0, 0, 0, 0,
{mg_unreg, {m_accept, 2}, mg_ignore, mg_ignore, mg_ignore, {m_accept, 2}}
};
mapi_clist_av1 accept_clist[] = {
&accept_msgtab, NULL
};
DECLARE_MODULE_AV2(accept, NULL, NULL, accept_clist, NULL, NULL, NULL, NULL, accept_desc);
/*
* m_accept - ACCEPT command handler
* parv[1] = servername
*/
static void
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m_accept(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
char *nick;
char *p = NULL;
static char addbuf[BUFSIZE];
static char delbuf[BUFSIZE];
struct Client *target_p;
int accept_num;
if(*parv[1] == '*')
{
list_accepts(source_p);
return;
}
build_nicklist(source_p, addbuf, delbuf, parv[1]);
/* parse the delete list */
for (nick = rb_strtok_r(delbuf, ",", &p); nick != NULL; nick = rb_strtok_r(NULL, ",", &p))
{
/* shouldnt happen, but lets be paranoid */
if((target_p = find_named_person(nick)) == NULL)
{
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), nick);
continue;
}
/* user isnt on clients accept list */
if(!accept_message(target_p, source_p))
{
sendto_one(source_p, form_str(ERR_ACCEPTNOT),
me.name, source_p->name, target_p->name);
continue;
}
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rb_dlinkFindDestroy(target_p, &source_p->localClient->allow_list);
rb_dlinkFindDestroy(source_p, &target_p->on_allow_list);
}
/* get the number of accepts they have */
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accept_num = rb_dlink_list_length(&source_p->localClient->allow_list);
/* parse the add list */
for (nick = rb_strtok_r(addbuf, ",", &p); nick; nick = rb_strtok_r(NULL, ",", &p), accept_num++)
{
/* shouldnt happen, but lets be paranoid */
if((target_p = find_named_person(nick)) == NULL)
{
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), nick);
continue;
}
/* user is already on clients accept list */
if(accept_message(target_p, source_p))
{
sendto_one(source_p, form_str(ERR_ACCEPTEXIST),
me.name, source_p->name, target_p->name);
continue;
}
if(accept_num >= ConfigFileEntry.max_accept)
{
sendto_one(source_p, form_str(ERR_ACCEPTFULL), me.name, source_p->name);
return;
}
/* why is this here? */
/* del_from accept(target_p, source_p); */
add_accept(source_p, target_p);
}
}
/*
* build_nicklist()
*
* input - pointer to client
* - pointer to addbuffer
* - pointer to remove buffer
* - pointer to list of nicks
* output -
* side effects - addbuf/delbuf are modified to give valid nicks
*/
static void
build_nicklist(struct Client *source_p, char *addbuf, char *delbuf, const char *nicks)
{
char *name;
char *p;
int lenadd;
int lendel;
int del;
char *n = LOCAL_COPY(nicks);
*addbuf = *delbuf = '\0';
del = lenadd = lendel = 0;
/* build list of clients to add into addbuf, clients to remove in delbuf */
for (name = rb_strtok_r(n, ",", &p); name; name = rb_strtok_r(NULL, ",", &p), del = 0)
{
if(*name == '-')
{
del = 1;
name++;
}
if(find_named_person(name) == NULL)
{
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), name);
continue;
}
/* we're deleting a client */
if(del)
{
if(*delbuf)
(void) strcat(delbuf, ",");
(void) strncat(delbuf, name, BUFSIZE - lendel - 1);
lendel += strlen(name) + 1;
}
/* adding a client */
else
{
if(*addbuf)
(void) strcat(addbuf, ",");
(void) strncat(addbuf, name, BUFSIZE - lenadd - 1);
lenadd += strlen(name) + 1;
}
}
}
/*
* add_accept()
*
* input - pointer to clients accept list to add to
* - pointer to client to add
* output - none
* side effects - target is added to clients list
*/
static void
add_accept(struct Client *source_p, struct Client *target_p)
{
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rb_dlinkAddAlloc(target_p, &source_p->localClient->allow_list);
rb_dlinkAddAlloc(source_p, &target_p->on_allow_list);
}
/*
* list_accepts()
*
* input - pointer to client
* output - none
* side effects - print accept list to client
*/
static void
list_accepts(struct Client *source_p)
{
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rb_dlink_node *ptr;
struct Client *target_p;
char nicks[BUFSIZE];
int len = 0;
int len2 = 0;
int count = 0;
*nicks = '\0';
len2 = strlen(source_p->name) + 10;
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RB_DLINK_FOREACH(ptr, source_p->localClient->allow_list.head)
{
target_p = ptr->data;
if(target_p)
{
if((len + strlen(target_p->name) + len2 > BUFSIZE) || count > 14)
{
sendto_one(source_p, form_str(RPL_ACCEPTLIST),
me.name, source_p->name, nicks);
len = count = 0;
*nicks = '\0';
}
len += snprintf(nicks + len, sizeof(nicks) - len, "%s ", target_p->name);
count++;
}
}
if(*nicks)
sendto_one(source_p, form_str(RPL_ACCEPTLIST),
me.name, source_p->name, nicks);
sendto_one(source_p, form_str(RPL_ENDOFACCEPT),
me.name, source_p->name);
}