mirror of
https://github.com/matrix-construct/construct
synced 2024-11-29 18:22:50 +01:00
Move alias handling into a dedicated module.
Not yet tested, caveat emptor! Closes #166
This commit is contained in:
Elizabeth Myers
parent
d4fdeec0d8
commit
b663a8070f
3 changed files with 171 additions and 66 deletions
66
ircd/parse.c
66
ircd/parse.c
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@ -48,7 +48,6 @@ static void cancel_clients(struct Client *, struct Client *);
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static void remove_unknown(struct Client *, const char *, char *);
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static void do_numeric(int, struct Client *, struct Client *, int, const char **);
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static void do_alias(struct alias_entry *, struct Client *, char *);
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static int handle_command(struct Message *, struct MsgBuf *, struct Client *, struct Client *);
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@ -137,24 +136,6 @@ parse(struct Client *client_p, char *pbuffer, char *bufend)
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/* no command or its encap only, error */
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if(!mptr || !mptr->cmd)
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{
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if (IsPerson(client_p))
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{
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struct alias_entry *aptr = rb_dictionary_retrieve(alias_dict, msgbuf.cmd);
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if (aptr != NULL)
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{
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if (msgbuf.n_para < 2)
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{
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sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS),
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me.name,
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EmptyString(client_p->name) ? "*" : client_p->name,
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msgbuf.cmd);
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return;
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}
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do_alias(aptr, client_p, reconstruct_parv(msgbuf.n_para - 1, msgbuf.para + 1));
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return;
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}
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}
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if(IsPerson(from))
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{
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sendto_one(from, form_str(ERR_UNKNOWNCOMMAND),
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@ -525,53 +506,6 @@ do_numeric(int numeric, struct Client *client_p, struct Client *source_p, int pa
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numeric, chptr->chname, buffer);
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}
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static void do_alias(struct alias_entry *aptr, struct Client *source_p, char *text)
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{
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char *p;
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struct Client *target_p;
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if (!IsFloodDone(source_p) && source_p->localClient->receiveM > 20)
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flood_endgrace(source_p);
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p = strchr(aptr->target, '@');
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if (p != NULL)
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{
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/* user@server */
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target_p = find_server(NULL, p + 1);
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if (target_p != NULL && IsMe(target_p))
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target_p = NULL;
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}
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else
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{
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/* nick, must be +S */
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target_p = find_named_person(aptr->target);
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if (target_p != NULL && !IsService(target_p))
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target_p = NULL;
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}
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if (target_p == NULL)
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{
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sendto_one_numeric(source_p, ERR_SERVICESDOWN, form_str(ERR_SERVICESDOWN), aptr->target);
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return;
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}
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if (text != NULL && *text == ':')
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text++;
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if (text == NULL || *text == '\0')
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{
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sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name);
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return;
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}
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/* increment the hitcounter on this alias */
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aptr->hits++;
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sendto_one(target_p, ":%s PRIVMSG %s :%s",
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get_id(source_p, target_p),
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p != NULL ? aptr->target : get_id(target_p, target_p),
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text);
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}
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void
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m_not_oper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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@ -14,6 +14,7 @@ auto_load_mod_LTLIBRARIES = \
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chm_noctcp.la \
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m_accept.la \
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m_admin.la \
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m_alias.la \
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m_away.la \
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m_cap.la \
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m_capab.la \
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170
modules/m_alias.c
Normal file
170
modules/m_alias.c
Normal file
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@ -0,0 +1,170 @@
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/* modules/m_alias.c - main module for aliases
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* Copyright (c) 2016 Elizabeth Myers <elizabeth@interlinked.me>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stdinc.h"
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#include "client.h"
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#include "parse.h"
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#include "msg.h"
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#include "modules.h"
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#include "s_conf.h"
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#include "s_serv.h"
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#include "hash.h"
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#include "ircd.h"
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#include "match.h"
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#include "numeric.h"
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#include "send.h"
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#include "packet.h"
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static const char alias_desc[] = "Provides the system for services aliases";
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static int _modinit(void);
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static void _moddeinit(void);
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static int reload_aliases(hook_data *);
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static void m_alias(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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mapi_hfn_list_av1 alias_hfnlist[] = {
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{ "rehash", (hookfn)reload_aliases },
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{ NULL, NULL },
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};
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DECLARE_MODULE_AV2(alias, _modinit, _moddeinit, NULL, NULL, alias_hfnlist, NULL, NULL, alias_desc);
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static rb_dlink_list alias_messages;
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static const struct MessageEntry alias_msgtab[] =
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{{m_alias, 2}, {m_alias, 2}, mg_ignore, mg_ignore, mg_ignore, {m_alias, 2}};
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static inline void
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create_aliases(void)
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{
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rb_dictionary_iter iter;
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struct alias_entry *alias;
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s_assert(rb_dlink_list_length(alias_messages) > 0);
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RB_DICTIONARY_FOREACH(alias, &iter, alias_dict)
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{
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struct Message *message = rb_malloc(sizeof(struct Message));
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message->cmd = alias->name;
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memcpy(message->handlers, alias_msgtab, sizeof(alias_msgtab));
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mod_add_cmd(message);
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rb_dlinkAddAlloc(message, &alias_messages);
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}
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}
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static inline void
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destroy_aliases(void)
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{
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rb_dlink_node *ptr, *nptr;
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RB_DLINK_FOREACH_SAFE(ptr, nptr, alias_messages.head)
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{
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mod_del_cmd((struct Message *)ptr->data);
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rb_free(ptr->data);
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rb_dlinkDestroy(ptr, &alias_messages);
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}
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}
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static int
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_modinit(void)
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{
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create_aliases();
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return 0;
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}
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static void
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_moddeinit(void)
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{
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destroy_aliases();
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}
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static int
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reload_aliases(hook_data *data __unused)
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{
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destroy_aliases(); /* Clear old aliases */
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create_aliases();
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return 0;
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}
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/* The below was mostly taken from the old do_alias */
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static void
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m_alias(struct MsgBuf *msgbuf, struct Client *client_p, struct Client *source_p, int parc, const char **parv)
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{
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struct Client *target_p;
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struct alias_entry *aptr = rb_dictionary_retrieve(alias_dict, msgbuf->cmd);
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char *p;
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if(aptr == NULL)
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{
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if(IsPerson(source_p))
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sendto_one(source_p, form_str(ERR_UNKNOWNCOMMAND),
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me.name, source_p->name, msgbuf->cmd);
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return;
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}
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else if(parc < 2)
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{
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sendto_one(client_p, form_str(ERR_NEEDMOREPARAMS),
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me.name,
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EmptyString(client_p->name) ? "*" : client_p->name,
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msgbuf->cmd);
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return;
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}
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if(!IsFloodDone(source_p) && source_p->localClient->receiveM > 20)
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flood_endgrace(source_p);
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p = strchr(aptr->target, '@');
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if(p != NULL)
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{
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/* user@server */
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target_p = find_server(NULL, p + 1);
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if(target_p != NULL && IsMe(target_p))
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target_p = NULL;
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}
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else
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{
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/* nick, must be +S */
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target_p = find_named_person(aptr->target);
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if(target_p != NULL && !IsService(target_p))
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target_p = NULL;
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}
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if(target_p == NULL)
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{
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sendto_one_numeric(source_p, ERR_SERVICESDOWN, form_str(ERR_SERVICESDOWN), aptr->target);
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return;
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}
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if(*parv[1] == '\0')
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{
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sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name);
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return;
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}
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/* increment the hitcounter on this alias */
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aptr->hits++;
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sendto_one(target_p, ":%s PRIVMSG %s :%s",
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get_id(source_p, target_p),
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p != NULL ? aptr->target : get_id(target_p, target_p),
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parv[1]);
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}
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