diff --git a/include/hook.h b/include/hook.h index 7143d7ab..73d412cb 100644 --- a/include/hook.h +++ b/include/hook.h @@ -30,6 +30,8 @@ extern int h_new_local_user; extern int h_new_remote_user; extern int h_introduce_client; extern int h_can_kick; +extern int h_privmsg_channel; +extern int h_privmsg_user; void init_hook(void); int register_hook(const char *name); @@ -101,4 +103,28 @@ typedef struct unsigned int oldsnomask; } hook_data_umode_changed; +enum message_type { + MESSAGE_TYPE_NOTICE, + MESSAGE_TYPE_PRIVMSG, + MESSAGE_TYPE_COUNT +}; + +typedef struct +{ + enum message_type msgtype; + struct Client *source_p; + struct Channel *chptr; + const char *text; + int approved; +} hook_data_privmsg_channel; + +typedef struct +{ + enum message_type msgtype; + struct Client *source_p; + struct Client *target_p; + const char *text; + int approved; +} hook_data_privmsg_user; + #endif diff --git a/modules/core/m_message.c b/modules/core/m_message.c index 49862582..21d3578e 100644 --- a/modules/core/m_message.c +++ b/modules/core/m_message.c @@ -46,7 +46,7 @@ #include "tgchange.h" #include "inline/stringops.h" -static int m_message(int, const char *, struct Client *, struct Client *, int, const char **); +static int m_message(enum message_type, struct Client *, struct Client *, int, const char **); static int m_privmsg(struct Client *, struct Client *, int, const char **); static int m_notice(struct Client *, struct Client *, int, const char **); @@ -87,11 +87,11 @@ struct entity int flags; }; -static int build_target_list(int p_or_n, const char *command, +static int build_target_list(enum message_type msgtype, struct Client *client_p, struct Client *source_p, const char *nicks_channels, const char *text); -static int flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p); +static int flood_attack_client(enum message_type msgtype, struct Client *source_p, struct Client *target_p); /* Fifteen seconds should be plenty for a client to reply a ctcp */ #define LARGE_CTCP_TIME 15 @@ -107,24 +107,24 @@ static int ntargets = 0; static int duplicate_ptr(void *); -static void msg_channel(int p_or_n, const char *command, +static void msg_channel(enum message_type msgtype, struct Client *client_p, struct Client *source_p, struct Channel *chptr, const char *text); -static void msg_channel_opmod(int p_or_n, const char *command, +static void msg_channel_opmod(enum message_type msgtype, struct Client *client_p, struct Client *source_p, struct Channel *chptr, const char *text); -static void msg_channel_flags(int p_or_n, const char *command, +static void msg_channel_flags(enum message_type msgtype, struct Client *client_p, struct Client *source_p, struct Channel *chptr, int flags, const char *text); -static void msg_client(int p_or_n, const char *command, +static void msg_client(enum message_type msgtype, struct Client *source_p, struct Client *target_p, const char *text); -static void handle_special(int p_or_n, const char *command, +static void handle_special(enum message_type msgtype, struct Client *client_p, struct Client *source_p, const char *nick, const char *text); @@ -146,47 +146,46 @@ static void handle_special(int p_or_n, const char *command, ** -db Nov 13, 2000 ** */ - -#define PRIVMSG 0 -#define NOTICE 1 +const char *cmdname[MESSAGE_TYPE_COUNT] = { + [MESSAGE_TYPE_PRIVMSG] = "PRIVMSG", + [MESSAGE_TYPE_NOTICE] = "NOTICE", +}; static int m_privmsg(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) { - return m_message(PRIVMSG, "PRIVMSG", client_p, source_p, parc, parv); + return m_message(MESSAGE_TYPE_PRIVMSG, client_p, source_p, parc, parv); } static int m_notice(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) { - return m_message(NOTICE, "NOTICE", client_p, source_p, parc, parv); + return m_message(MESSAGE_TYPE_NOTICE, client_p, source_p, parc, parv); } /* * inputs - flag privmsg or notice - * - pointer to command "PRIVMSG" or "NOTICE" * - pointer to client_p * - pointer to source_p * - pointer to channel */ static int -m_message(int p_or_n, - const char *command, +m_message(enum message_type msgtype, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) { int i; if(parc < 2 || EmptyString(parv[1])) { - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one(source_p, form_str(ERR_NORECIPIENT), me.name, - source_p->name, command); + source_p->name, cmdname[msgtype]); return 0; } if(parc < 3 || EmptyString(parv[2])) { - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); return 0; } @@ -197,7 +196,7 @@ m_message(int p_or_n, if(MyClient(source_p) && !IsFloodDone(source_p) && irccmp(source_p->name, parv[1])) flood_endgrace(source_p); - if(build_target_list(p_or_n, command, client_p, source_p, parv[1], parv[2]) < 0) + if(build_target_list(msgtype, client_p, source_p, parv[1], parv[2]) < 0) { return 0; } @@ -207,23 +206,23 @@ m_message(int p_or_n, switch (targets[i].type) { case ENTITY_CHANNEL: - msg_channel(p_or_n, command, client_p, source_p, + msg_channel(msgtype, client_p, source_p, (struct Channel *) targets[i].ptr, parv[2]); break; case ENTITY_CHANNEL_OPMOD: - msg_channel_opmod(p_or_n, command, client_p, source_p, + msg_channel_opmod(msgtype, client_p, source_p, (struct Channel *) targets[i].ptr, parv[2]); break; case ENTITY_CHANOPS_ON_CHANNEL: - msg_channel_flags(p_or_n, command, client_p, source_p, + msg_channel_flags(msgtype, client_p, source_p, (struct Channel *) targets[i].ptr, targets[i].flags, parv[2]); break; case ENTITY_CLIENT: - msg_client(p_or_n, command, source_p, + msg_client(msgtype, source_p, (struct Client *) targets[i].ptr, parv[2]); break; } @@ -251,7 +250,7 @@ m_message(int p_or_n, */ static int -build_target_list(int p_or_n, const char *command, struct Client *client_p, +build_target_list(enum message_type msgtype, struct Client *client_p, struct Client *source_p, const char *nicks_channels, const char *text) { int type; @@ -293,7 +292,7 @@ build_target_list(int p_or_n, const char *command, struct Client *client_p, } /* non existant channel */ - else if(p_or_n != NOTICE) + else if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), nick); @@ -345,7 +344,7 @@ build_target_list(int p_or_n, const char *command, struct Client *client_p, if(EmptyString(nick)) { sendto_one(source_p, form_str(ERR_NORECIPIENT), - me.name, source_p->name, command); + me.name, source_p->name, cmdname[msgtype]); continue; } @@ -381,7 +380,7 @@ build_target_list(int p_or_n, const char *command, struct Client *client_p, targets[ntargets++].flags = type; } } - else if(p_or_n != NOTICE) + else if(msgtype != MESSAGE_TYPE_NOTICE) { sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), nick); @@ -409,7 +408,7 @@ build_target_list(int p_or_n, const char *command, struct Client *client_p, } /* non existant channel */ - else if(p_or_n != NOTICE) + else if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), nick); @@ -418,12 +417,12 @@ build_target_list(int p_or_n, const char *command, struct Client *client_p, if(strchr(nick, '@') || (IsOper(source_p) && (*nick == '$'))) { - handle_special(p_or_n, command, client_p, source_p, nick, text); + handle_special(msgtype, client_p, source_p, nick, text); continue; } /* no matching anything found - error if not NOTICE */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) { /* dont give this numeric when source is local, * because its misleading --anfl @@ -466,7 +465,6 @@ duplicate_ptr(void *ptr) * msg_channel * * inputs - flag privmsg or notice - * - pointer to command "PRIVMSG" or "NOTICE" * - pointer to client_p * - pointer to source_p * - pointer to channel @@ -476,17 +474,18 @@ duplicate_ptr(void *ptr) * XXX - We need to rework this a bit, it's a tad ugly. --nenolod */ static void -msg_channel(int p_or_n, const char *command, +msg_channel(enum message_type msgtype, struct Client *client_p, struct Client *source_p, struct Channel *chptr, const char *text) { int result; char text2[BUFSIZE]; + hook_data_privmsg_channel hdata; if(MyClient(source_p)) { /* idle time shouldnt be reset by notices --fl */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) source_p->localClient->last = rb_current_time(); } @@ -499,12 +498,26 @@ msg_channel(int p_or_n, const char *command, { /* could be empty after colour stripping and * that would cause problems later */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); return; } } + hdata.msgtype = msgtype; + hdata.source_p = source_p; + hdata.chptr = chptr; + hdata.text = text; + hdata.approved = 0; + + call_hook(h_privmsg_channel, &hdata); + + /* memory buffer address may have changed, update pointer */ + text = hdata.text; + + if (hdata.approved != 0) + return; + /* chanops and voiced can flood their own channel with impunity */ if((result = can_send(chptr, source_p, NULL))) { @@ -517,9 +530,9 @@ msg_channel(int p_or_n, const char *command, return; } if(result == CAN_SEND_OPV || - !flood_attack_channel(p_or_n, source_p, chptr, chptr->chname)) + !flood_attack_channel(msgtype, source_p, chptr, chptr->chname)) { - if (p_or_n != NOTICE && *text == '\001' && + if (msgtype != MESSAGE_TYPE_NOTICE && *text == '\001' && strncasecmp(text + 1, "ACTION ", 7)) { if (chptr->mode.mode & MODE_NOCTCP) @@ -532,7 +545,7 @@ msg_channel(int p_or_n, const char *command, source_p->large_ctcp_sent = rb_current_time(); } sendto_channel_flags(client_p, ALL_MEMBERS, source_p, chptr, - "%s %s :%s", command, chptr->chname, text); + "%s %s :%s", cmdname[msgtype], chptr->chname, text); } } else if(chptr->mode.mode & MODE_OPMODERATE && @@ -546,15 +559,15 @@ msg_channel(int p_or_n, const char *command, me.name, source_p->name, chptr->chname); return; } - if(!flood_attack_channel(p_or_n, source_p, chptr, chptr->chname)) + if(!flood_attack_channel(msgtype, source_p, chptr, chptr->chname)) { sendto_channel_opmod(client_p, source_p, chptr, - command, text); + cmdname[msgtype], text); } } else { - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one_numeric(source_p, ERR_CANNOTSENDTOCHAN, form_str(ERR_CANNOTSENDTOCHAN), chptr->chname); } @@ -563,7 +576,6 @@ msg_channel(int p_or_n, const char *command, * msg_channel_opmod * * inputs - flag privmsg or notice - * - pointer to command "PRIVMSG" or "NOTICE" * - pointer to client_p * - pointer to source_p * - pointer to channel @@ -573,11 +585,12 @@ msg_channel(int p_or_n, const char *command, * XXX - We need to rework this a bit, it's a tad ugly. --nenolod */ static void -msg_channel_opmod(int p_or_n, const char *command, +msg_channel_opmod(enum message_type msgtype, struct Client *client_p, struct Client *source_p, struct Channel *chptr, const char *text) { char text2[BUFSIZE]; + hook_data_privmsg_channel hdata; if(chptr->mode.mode & MODE_NOCOLOR) { @@ -588,25 +601,39 @@ msg_channel_opmod(int p_or_n, const char *command, { /* could be empty after colour stripping and * that would cause problems later */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); return; } } + hdata.msgtype = msgtype; + hdata.source_p = source_p; + hdata.chptr = chptr; + hdata.text = text; + hdata.approved = 0; + + call_hook(h_privmsg_channel, &hdata); + + /* memory buffer address may have changed, update pointer */ + text = hdata.text; + + if (hdata.approved != 0) + return; + if(chptr->mode.mode & MODE_OPMODERATE && (!(chptr->mode.mode & MODE_NOPRIVMSGS) || IsMember(source_p, chptr))) { - if(!flood_attack_channel(p_or_n, source_p, chptr, chptr->chname)) + if(!flood_attack_channel(msgtype, source_p, chptr, chptr->chname)) { sendto_channel_opmod(client_p, source_p, chptr, - command, text); + cmdname[msgtype], text); } } else { - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one_numeric(source_p, ERR_CANNOTSENDTOCHAN, form_str(ERR_CANNOTSENDTOCHAN), chptr->chname); } @@ -617,7 +644,6 @@ msg_channel_opmod(int p_or_n, const char *command, * * inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC * say NOTICE must not auto reply - * - pointer to command, "PRIVMSG" or "NOTICE" * - pointer to client_p * - pointer to source_p * - pointer to channel @@ -627,12 +653,13 @@ msg_channel_opmod(int p_or_n, const char *command, * side effects - message given channel either chanop or voice */ static void -msg_channel_flags(int p_or_n, const char *command, struct Client *client_p, +msg_channel_flags(enum message_type msgtype, struct Client *client_p, struct Client *source_p, struct Channel *chptr, int flags, const char *text) { char text2[BUFSIZE]; int type; char c; + hook_data_privmsg_channel hdata; if(flags & CHFL_VOICE) { @@ -648,7 +675,7 @@ msg_channel_flags(int p_or_n, const char *command, struct Client *client_p, if(MyClient(source_p)) { /* idletime shouldnt be reset by notice --fl */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) source_p->localClient->last = rb_current_time(); } @@ -661,13 +688,27 @@ msg_channel_flags(int p_or_n, const char *command, struct Client *client_p, { /* could be empty after colour stripping and * that would cause problems later */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one(source_p, form_str(ERR_NOTEXTTOSEND), me.name, source_p->name); return; } } - if (p_or_n != NOTICE && *text == '\001' && + hdata.msgtype = msgtype; + hdata.source_p = source_p; + hdata.chptr = chptr; + hdata.text = text; + hdata.approved = 0; + + call_hook(h_privmsg_channel, &hdata); + + /* memory buffer address may have changed, update pointer */ + text = hdata.text; + + if (hdata.approved != 0) + return; + + if (msgtype != MESSAGE_TYPE_NOTICE && *text == '\001' && strncasecmp(text + 1, "ACTION ", 7)) { if (chptr->mode.mode & MODE_NOCTCP) @@ -687,7 +728,7 @@ msg_channel_flags(int p_or_n, const char *command, struct Client *client_p, } sendto_channel_flags(client_p, type, source_p, chptr, "%s %c%s :%s", - command, c, chptr->chname, text); + cmdname[msgtype], c, chptr->chname, text); } static void @@ -715,7 +756,6 @@ expire_tgchange(void *unused) * * inputs - flag 0 if PRIVMSG 1 if NOTICE. RFC * say NOTICE must not auto reply - * - pointer to command, "PRIVMSG" or "NOTICE" * - pointer to source_p source (struct Client *) * - pointer to target_p target (struct Client *) * - pointer to text @@ -723,10 +763,11 @@ expire_tgchange(void *unused) * side effects - message given channel either chanop or voice */ static void -msg_client(int p_or_n, const char *command, +msg_client(enum message_type msgtype, struct Client *source_p, struct Client *target_p, const char *text) { int do_floodcount = 0; + hook_data_privmsg_user hdata; if(MyClient(source_p)) { @@ -736,7 +777,7 @@ msg_client(int p_or_n, const char *command, * as a way to taunt users, e.g. harass them and hide behind +g * as a way of griefing. --nenolod */ - if(p_or_n != NOTICE && IsSetCallerId(source_p) && + if(msgtype != MESSAGE_TYPE_NOTICE && IsSetCallerId(source_p) && !accept_message(target_p, source_p) && !IsOper(target_p)) { @@ -757,7 +798,7 @@ msg_client(int p_or_n, const char *command, /* reset idle time for message only if its not to self * and its not a notice */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) source_p->localClient->last = rb_current_time(); /* auto cprivmsg/cnotice */ @@ -768,7 +809,7 @@ msg_client(int p_or_n, const char *command, * would allow people to start filling up random users * targets just by ctcping them */ - if((p_or_n != NOTICE || *text != '\001') && + if((msgtype != MESSAGE_TYPE_NOTICE || *text != '\001') && ConfigFileEntry.target_change && do_floodcount) { if(!add_target(source_p, target_p)) @@ -779,12 +820,12 @@ msg_client(int p_or_n, const char *command, } } - if (do_floodcount && p_or_n == NOTICE && *text == '\001' && + if (do_floodcount && msgtype == MESSAGE_TYPE_NOTICE && *text == '\001' && target_p->large_ctcp_sent + LARGE_CTCP_TIME >= rb_current_time()) do_floodcount = 0; if (do_floodcount && - flood_attack_client(p_or_n, source_p, target_p)) + flood_attack_client(msgtype, source_p, target_p)) return; } else if(source_p->from == target_p->from) @@ -795,12 +836,26 @@ msg_client(int p_or_n, const char *command, return; } - if(MyConnect(source_p) && (p_or_n != NOTICE) && target_p->user && target_p->user->away) + if(MyConnect(source_p) && (msgtype != MESSAGE_TYPE_NOTICE) && target_p->user && target_p->user->away) sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY), target_p->name, target_p->user->away); if(MyClient(target_p)) { + hdata.msgtype = msgtype; + hdata.source_p = source_p; + hdata.target_p = target_p; + hdata.text = text; + hdata.approved = 0; + + call_hook(h_privmsg_user, &hdata); + + /* buffer location may have changed. */ + text = hdata.text; + + if (hdata.approved != 0) + return; + /* XXX Controversial? allow opers always to send through a +g */ if(!IsServer(source_p) && (IsSetCallerId(target_p) || (IsSetRegOnlyMsg(target_p) && !source_p->user->suser[0]))) @@ -812,11 +867,11 @@ msg_client(int p_or_n, const char *command, sendto_one(target_p, ":%s!%s@%s %s %s :%s", source_p->name, source_p->username, - source_p->host, command, target_p->name, text); + source_p->host, cmdname[msgtype], target_p->name, text); } else if (IsSetRegOnlyMsg(target_p) && !source_p->user->suser[0]) { - if (p_or_n != NOTICE) + if (msgtype != MESSAGE_TYPE_NOTICE) sendto_one_numeric(source_p, ERR_NONONREG, form_str(ERR_NONONREG), target_p->name); @@ -824,7 +879,7 @@ msg_client(int p_or_n, const char *command, else { /* check for accept, flag recipient incoming message */ - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) { sendto_one_numeric(source_p, ERR_TARGUMODEG, form_str(ERR_TARGUMODEG), @@ -834,7 +889,7 @@ msg_client(int p_or_n, const char *command, if((target_p->localClient->last_caller_id_time + ConfigFileEntry.caller_id_wait) < rb_current_time()) { - if(p_or_n != NOTICE) + if(msgtype != MESSAGE_TYPE_NOTICE) sendto_one_numeric(source_p, RPL_TARGNOTIFY, form_str(RPL_TARGNOTIFY), target_p->name); @@ -851,11 +906,11 @@ msg_client(int p_or_n, const char *command, else { add_reply_target(target_p, source_p); - sendto_anywhere(target_p, source_p, command, ":%s", text); + sendto_anywhere(target_p, source_p, cmdname[msgtype], ":%s", text); } } else - sendto_anywhere(target_p, source_p, command, ":%s", text); + sendto_anywhere(target_p, source_p, cmdname[msgtype], ":%s", text); return; } @@ -870,7 +925,7 @@ msg_client(int p_or_n, const char *command, * side effects - check for flood attack on target target_p */ static int -flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p) +flood_attack_client(enum message_type msgtype, struct Client *source_p, struct Client *target_p) { int delta; @@ -907,7 +962,7 @@ flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p /* add a bit of penalty */ target_p->received_number_of_privmsgs += 2; } - if(MyClient(source_p) && (p_or_n != NOTICE)) + if(MyClient(source_p) && (msgtype != MESSAGE_TYPE_NOTICE)) sendto_one(source_p, ":%s NOTICE %s :*** Message to %s throttled due to flooding", me.name, source_p->name, target_p->name); @@ -937,7 +992,7 @@ flood_attack_client(int p_or_n, struct Client *source_p, struct Client *target_p * This disambiguates the syntax. */ static void -handle_special(int p_or_n, const char *command, struct Client *client_p, +handle_special(enum message_type msgtype, struct Client *client_p, struct Client *source_p, const char *nick, const char *text) { struct Client *target_p; @@ -971,7 +1026,7 @@ handle_special(int p_or_n, const char *command, struct Client *client_p, if(!IsMe(target_p)) { sendto_one(target_p, ":%s %s %s :%s", - get_id(source_p, target_p), command, nick, text); + get_id(source_p, target_p), cmdname[msgtype], nick, text); return; } @@ -1008,7 +1063,7 @@ handle_special(int p_or_n, const char *command, struct Client *client_p, { sendto_one(source_p, ":%s NOTICE %s :The command %s %s is no longer supported, please use $%s", - me.name, source_p->name, command, nick, nick); + me.name, source_p->name, cmdname[msgtype], nick, nick); return; } @@ -1038,8 +1093,8 @@ handle_special(int p_or_n, const char *command, struct Client *client_p, sendto_match_butone(IsServer(client_p) ? client_p : NULL, source_p, nick + 1, (*nick == '#') ? MATCH_HOST : MATCH_SERVER, - "%s $%s :%s", command, nick, text); - if (p_or_n != NOTICE && *text == '\001') + "%s $%s :%s", cmdname[msgtype], nick, text); + if (msgtype != MESSAGE_TYPE_NOTICE && *text == '\001') source_p->large_ctcp_sent = rb_current_time(); return; } diff --git a/src/hook.c b/src/hook.c index 91b64134..fd937705 100644 --- a/src/hook.c +++ b/src/hook.c @@ -64,6 +64,8 @@ int h_new_local_user; int h_new_remote_user; int h_introduce_client; int h_can_kick; +int h_privmsg_user; +int h_privmsg_channel; void init_hook(void) @@ -87,6 +89,8 @@ init_hook(void) h_new_remote_user = register_hook("new_remote_user"); h_introduce_client = register_hook("introduce_client"); h_can_kick = register_hook("can_kick"); + h_privmsg_user = register_hook("privmsg_user"); + h_privmsg_channel = register_hook("privmsg_channel"); } /* grow_hooktable()