projects / solanum.git / blame
| Commit | Line | Data |
|---|---|---|
| f30a5ee4 AC |
1 | /* |
| 2 | * charybdis: an advanced ircd. | |
| 3 | * chm_noctcp: block non-action CTCP (+C mode). | |
| 4 | * | |
| 5 | * Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org> | |
| 6 | * | |
| 7 | * Permission to use, copy, modify, and/or distribute this software for any | |
| 8 | * purpose with or without fee is hereby granted, provided that the above | |
| 9 | * copyright notice and this permission notice is present in all copies. | |
| 10 | * | |
| 11 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
| 12 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 13 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 14 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
| 15 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 16 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 17 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 18 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 19 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
| 20 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 21 | * POSSIBILITY OF SUCH DAMAGE. | |
| 22 | */ | |
| 23 | ||
| 24 | #include "stdinc.h" | |
| 25 | #include "modules.h" | |
| 26 | #include "hook.h" | |
| 27 | #include "client.h" | |
| 28 | #include "ircd.h" | |
| 29 | #include "send.h" | |
| 30 | #include "s_conf.h" | |
| 31 | #include "s_user.h" | |
| 32 | #include "s_serv.h" | |
| 33 | #include "numeric.h" | |
| 34 | #include "chmode.h" | |
| 35 | #include "inline/stringops.h" | |
| 36 | ||
| eeabf33a EM |
37 | static const char chm_noctcp_desc[] = |
| 38 | "Adds channel mode +C, which blocks CTCP messages from a channel (except ACTION)"; | |
| 39 | ||
| f30a5ee4 AC |
40 | static unsigned int mode_noctcp; |
| 41 | ||
| 42 | static void chm_noctcp_process(hook_data_privmsg_channel *); | |
| 43 | ||
| 44 | mapi_hfn_list_av1 chm_noctcp_hfnlist[] = { | |
| 45 | { "privmsg_channel", (hookfn) chm_noctcp_process }, | |
| 46 | { NULL, NULL } | |
| 47 | }; | |
| 48 | ||
| 49 | static void | |
| 50 | chm_noctcp_process(hook_data_privmsg_channel *data) | |
| 51 | { | |
| 52 | /* don't waste CPU if message is already blocked */ | |
| 53 | if (data->approved || data->msgtype == MESSAGE_TYPE_NOTICE) | |
| 54 | return; | |
| 55 | ||
| 56 | if (*data->text == '\001' && strncasecmp(data->text + 1, "ACTION ", 7) && data->chptr->mode.mode & mode_noctcp) | |
| 57 | { | |
| 58 | sendto_one_numeric(data->source_p, ERR_CANNOTSENDTOCHAN, form_str(ERR_CANNOTSENDTOCHAN), data->chptr->chname); | |
| 59 | data->approved = ERR_CANNOTSENDTOCHAN; | |
| 60 | return; | |
| 61 | } | |
| 62 | else if (rb_dlink_list_length(&data->chptr->locmembers) > (unsigned)(GlobalSetOptions.floodcount / 2)) | |
| 63 | data->source_p->large_ctcp_sent = rb_current_time(); | |
| 64 | } | |
| 65 | ||
| 66 | static int | |
| 67 | _modinit(void) | |
| 68 | { | |
| 69 | mode_noctcp = cflag_add('C', chm_simple); | |
| 70 | if (mode_noctcp == 0) | |
| 71 | return -1; | |
| 72 | ||
| 73 | return 0; | |
| 74 | } | |
| 75 | ||
| 76 | static void | |
| 77 | _moddeinit(void) | |
| 78 | { | |
| 79 | cflag_orphan('C'); | |
| 80 | } | |
| 81 | ||
| b212d713 | 82 | DECLARE_MODULE_AV2(chm_noctcp, _modinit, _moddeinit, NULL, NULL, chm_noctcp_hfnlist, NULL, NULL, chm_noctcp_desc); |