/****************************************************************************** MESSAGES.C MODERATOR command processor. Copyright 1993 - 2000 Paul J. Sidorsky This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation. 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 This module processes the MODERATOR command which lets users control aspects about their current channel, including who is inside it. ******************************************************************************/ #include "top.h" /* mod_proc() - MODERATOR command processor. Parameters: None. Returns: Nothing. */ void mod_proc(void) { XINT sendto; /* Node a command is being done to. */ /* String buffer, handle buffer. */ unsigned char tmpstr[256], tmphand[256]; XINT res; /* Result code. */ XINT baninvflg = 0; /* Action to perform ((un)ban or (un)invite). */ long tmpcdef; /* Channel definition number holder. */ node_idx_typ nmod; /* Node index data buffer for "receiving" node. */ /* Find a channel record for the current channel. */ tmpcdef = findchannelrec(curchannel); /* The user can't perform a moderatorship command if certain conditions are true. The complex test below tests: if the user is not listed as a moderator, if it is not the user's own personal channel, if the channel is not defined (in CHANNELS.CFG) and the user is not a sysop, or the user's security is below the defined moderatorship security. All conditions must be true (and more often than not they are) to prohibit the user from moderating. */ if (cmibuf.modnode != od_control.od_node && curchannel != ((unsigned long) od_control.od_node + 4000000000UL) && (tmpcdef == -1L || user.security < chan[tmpcdef].modsec) && user.security < cfg.sysopsec) { top_output(OUT_SCREEN, getlang("NotModerator")); return; } /* Nobody can moderate the main channel because all users must have unconditional access to it in the event a user is tossed out of a channel or if a technical problem occurs. */ if (curchannel == cfg.defaultchannel) { top_output(OUT_SCREEN, getlang("CantModInMain")); return; } /* All commands first refresh (reload) the channel data, which also locks it. After copying new information, the command saves the new data, which unlocks it. */ /* Change channel topic. */ if (checkcmdmatch(get_word(1), getlang("CmdsModTopicChg"))) { res = cmi_load(curchannel); if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); return; } /* Copy the topic, which begins at the 3rd word of the input. */ memset(cmibuf.topic, 0, 71); strncpy(cmibuf.topic, &word_str[word_pos[2]], 70); res = cmi_save(); if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); return; } dispatch_message(MSG_CHANTOPICCHG, cmibuf.topic, -1, 0, 0); top_output(OUT_SCREEN, getlang("ChangedTopic")); return; } /* Change the moderator, or add a new one. */ if (checkcmdmatch(get_word(1), getlang("CmdsModModChg"))) { /* Find the specified user. */ sendto = find_node_from_name(tmpstr, tmphand, &word_str[word_pos[2]]); if (sendto == -1) { top_output(OUT_SCREEN, getlang("NotLoggedIn"), tmphand); return; } if (sendto == -2) { top_output(OUT_SCREEN, getlang("NotSpecific"), tmphand); return; } if (sendto == -3) { top_output(OUT_SCREEN, getlang("HasForgotYou"), handles[sendto].string); return; } res = cmi_load(curchannel); if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); return; } /* Assign the new moderator. This can remove this user's moderator status depending on the channel. See CHANNELS.TXT for more information. */ cmibuf.modnode = sendto; res = cmi_save(); if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); return; } /* Notify everybody about the change. */ dispatch_message(MSG_CHANMODCHG, "\0", sendto, 0, 0); top_output(OUT_SCREEN, getlang("ChangedMod"), handles[sendto].string); return; } /* Ban, unban, invite, or uninvite a user. The commands are handled by the same code as they are so similar. baninvflg is set to control which action to do. The codes are only used in this function. */ if (checkcmdmatch(get_word(1), getlang("CmdsModBan"))) { baninvflg = 1; } if (checkcmdmatch(get_word(1), getlang("CmdsModUnBan"))) { baninvflg = 2; } if (checkcmdmatch(get_word(1), getlang("CmdsModInvite"))) { baninvflg = 3; } if (checkcmdmatch(get_word(1), getlang("CmdsModUnInvite"))) { baninvflg = 4; } /* The user can't ban in a personal channel. The test is done using hardcoded internal channel numbers but probably should use the CHAN_ channel type constants instead. */ if (curchannel >= 4000000000UL && curchannel <= 4000999999UL && baninvflg >= 1 && baninvflg <= 2) { top_output(OUT_SCREEN, getlang("CantBanFromHere")); return; } /* The user can't invite in normal channels or conferences. Again the test uses hardcoded channel numbers. */ if ((curchannel <= 3999999999UL || curchannel >= 4001000000UL) && baninvflg >= 3 && baninvflg <= 4) { top_output(OUT_SCREEN, getlang("CantInvFromHere")); return; } /* Proces a ban or invite command. */ if (baninvflg > 0) { XINT cmsgtyp = MSG_NULL; /* Message type holder. */ /* Determine which user is affected by the command. */ sendto = find_node_from_name(tmpstr, tmphand, &word_str[word_pos[2]]); if (sendto == -1) { top_output(OUT_SCREEN, getlang("NotLoggedIn"), tmphand); return; } if (sendto == -2) { top_output(OUT_SCREEN, getlang("NotSpecific"), tmphand); return; } /* Users cannot be unbanned or invited if they have forgotten this user. */ if (sendto == -3 && (baninvflg == 2 || baninvflg == 3)) { top_output(OUT_SCREEN, getlang("HasForgotYou"), handles[sendto].string); return; } /* Ban and invite messages are channel and forget ignorant, except as described above. */ if (sendto == -3 || sendto == -4) { sendto = lastsendtonode; } /* You can't moderate yourself, for technical reasons only. I never place arbitrary restrictions on user actions unless I absolutely have to. */ if (sendto == od_control.od_node) { top_output(OUT_SCREEN, getlang("CantDoCmdToSelf")); return; } /* Load the receiving user's data to see if we're trying to block a sysop, which is also a no-no. This restriction is to give sysops complete control over TOP. */ get_node_data(sendto, &nmod); if (nmod.security >= cfg.sysopsec && (baninvflg == 1 || baninvflg == 4)) { top_output(OUT_SCREEN, getlang("CantModToSysop")); return; } res = cmi_load(curchannel); if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); return; } /* Ban and invite commands add the user to the special nodes list. See CMI.C and CHANNELS.TXT for more information on special nodes. */ if (baninvflg == 1 || baninvflg == 3) { /* Add the user to the special nodes list. */ res = cmi_setspec(sendto, 1); if (res == CMIERR_FULL) { top_output(OUT_SCREEN, getlang(baninvflg == 1 ? "CantBan" : "CantInvite"), handles[sendto].string); cmi_save(); return; } } /* Unban and Uninvite remove the user from the special nodes list. */ if (baninvflg == 2 || baninvflg == 4) { /* Clear the user from the special nodes list. */ res = cmi_setspec(sendto, 0); if (res == CMIERR_NOTFOUND) { top_output(OUT_SCREEN, getlang(baninvflg == 2 ? "WasntBanned" : "WasntInvited"), handles[sendto].string); cmi_save(); return; } } if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); cmi_save(); return; } res = cmi_save(); if (res != CMI_OKAY) { top_output(OUT_SCREEN, getlang("CantDoModCmd")); return; } /* Set the message type to send depending on the command code. */ switch (baninvflg) { case 1: cmsgtyp = MSG_CHANBANNED; break; case 2: cmsgtyp = MSG_CHANUNBANNED; break; case 3: cmsgtyp = MSG_CHANINVITED; break; case 4: cmsgtyp = MSG_CHANUNINVITED; break; } /* Tell everybody in this channel what we just did. */ dispatch_message(cmsgtyp, "\0", sendto, 0, 0); /* Global messages store the current channel in the data1 field. */ msgextradata = (long) curchannel; /* Send a global message to the user the action was done to, who could be anywhere in TOP. */ msgsendglobal = 1; dispatch_message(cmsgtyp, "\0", sendto, 1, 0); /* Set the appropriate language item name to display. */ switch (baninvflg) { case 1: strcpy(outbuf, "BannedUser"); break; case 2: strcpy(outbuf, "UnBannedUser"); break; case 3: strcpy(outbuf, "InvitedUser"); break; case 4: strcpy(outbuf, "UnInvitedUser"); break; } /* Confirm the action by displaying a message. */ top_output(OUT_SCREEN, getlang(outbuf), handles[sendto].string); /* If we just banned or uninvited a user, they are no longer in our channel. */ if (baninvflg == 1 || baninvflg == 4) { activenodes[sendto] = 2; } return; } /* Command not recognized, show help file instead. */ show_helpfile("helpmod0"); return; }