/* * 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) 2002-2012 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 * USA * * $Id: m_accept.c 27371 2012-03-16 05:33:15Z dubkat $ */ #include "stdinc.h" #include "struct.h" #include "client.h" #include "ircd.h" #include "numeric.h" #include "s_conf.h" #include "send.h" #include "parse.h" #include "modules.h" #include "match.h" static int m_accept(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, MFLG_SLOW | MFLG_UNREG, {mg_unreg, {m_accept, 2}, mg_ignore, mg_ignore, mg_ignore, {m_accept, 2}} }; mapi_clist_av1 accept_clist[] = { &accept_msgtab, NULL }; DECLARE_MODULE_AV1(accept, NULL, NULL, accept_clist, NULL, NULL, "$Revision: 27371 $"); /* * m_accept - ACCEPT command handler * parv[0] = sender prefix * parv[1] = servername */ static int m_accept(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 0; } 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; } 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 */ 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 0; } /* why is this here? */ /* del_from accept(target_p, source_p); */ add_accept(source_p, target_p); } return 0; } /* * 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; struct Client *target_p; 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((target_p = 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) { 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) { 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; SetCork(source_p); 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 += rb_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); ClearCork(source_p); sendto_one(source_p, form_str(RPL_ENDOFACCEPT), me.name, source_p->name); }