src/commands.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include "inspircd_config.h"
  18 #include "inspircd.h"
  19 #include "configreader.h"
  20 #include <unistd.h>
  21 #include <sys/errno.h>
  22 #include <sys/ioctl.h>
  23 #include <sys/utsname.h>
  24 #include <cstdio>
  25 #include <time.h>
  26 #include <string>
  27 #include <sstream>
  28 #include <vector>
  29 #include <sys/types.h>
  30 #include <sys/time.h>
  31 #include <sys/resource.h>
  32 #ifndef RUSAGE_SELF
  33 #define   RUSAGE_SELF     0
  34 #define   RUSAGE_CHILDREN     -1
  35 #endif
  36 #include "users.h"
  37 #include "ctables.h"
  38 #include "globals.h"
  39 #include "modules.h"
  40 #include "dynamic.h"
  41 #include "wildcard.h"
  42 #include "commands.h"
  43 #include "mode.h"
  44 #include "xline.h"
  45 #include "inspstring.h"
  46 #include "helperfuncs.h"
  47 #include "hashcomp.h"
  48 #include "socketengine.h"
  49 #include "typedefs.h"
  50 #include "command_parse.h"
  51
  52 /* XXX - these really belong in helperfuncs perhaps -- w00t */
  53 bool InspIRCd::is_uline(const char* server)
  54 {
  55         if (!server)
  56                 return false;
  57         if (!*server)
  58                 return true;
  59
  60         return (find(Config->ulines.begin(),Config->ulines.end(),server) != Config->ulines.end());
  61 }
  62
  63 int InspIRCd::operstrcmp(const char* data,const char* input)
  64 {
  65         int MOD_RESULT = 0;
  66         FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data,input))
  67         Log(DEBUG,"operstrcmp: %d",MOD_RESULT);
  68         if (MOD_RESULT == 1)
  69                 return 0;
  70         if (MOD_RESULT == -1)
  71                 return 1;
  72         Log(DEBUG,"strcmp fallback: '%s' '%s' %d",data,input,strcmp(data,input));
  73         return strcmp(data,input);
  74 }
  75
  76 long InspIRCd::duration(const char* str)
  77 {
  78         char n_field[MAXBUF];
  79         long total = 0;
  80         n_field[0] = 0;
  81
  82         if ((!strchr(str,'s')) && (!strchr(str,'m')) && (!strchr(str,'h')) && (!strchr(str,'d')) && (!strchr(str,'w')) && (!strchr(str,'y')))
  83         {
  84                 std::string n = str;
  85                 n += 's';
  86                 return duration(n.c_str());
  87         }
  88
  89         for (char* i = (char*)str; *i; i++)
  90         {
  91                 // if we have digits, build up a string for the value in n_field,
  92                 // up to 10 digits in size.
  93                 if ((*i >= '0') && (*i <= '9'))
  94                 {
  95                         strlcat(n_field,i,10);
  96                 }
  97                 else
  98                 {
  99                         // we dont have a digit, check for numeric tokens
 100                         switch (tolower(*i))
 101                         {
 102                                 case 's':
 103                                         total += atoi(n_field);
 104                                 break;
 105
 106                                 case 'm':
 107                                         total += (atoi(n_field)*duration_m);
 108                                 break;
 109
 110                                 case 'h':
 111                                         total += (atoi(n_field)*duration_h);
 112                                 break;
 113
 114                                 case 'd':
 115                                         total += (atoi(n_field)*duration_d);
 116                                 break;
 117
 118                                 case 'w':
 119                                         total += (atoi(n_field)*duration_w);
 120                                 break;
 121
 122                                 case 'y':
 123                                         total += (atoi(n_field)*duration_y);
 124                                 break;
 125                         }
 126                         n_field[0] = 0;
 127                 }
 128         }
 129         // add trailing seconds
 130         total += atoi(n_field);
 131
 132         return total;
 133 }
 134
 135 /* All other ircds when doing this check usually just look for a string of *@* or *. We're smarter than that, though. */
 136
 137 bool InspIRCd::host_matches_everyone(const std::string &mask, userrec* user)
 138 {
 139         char buffer[MAXBUF];
 140         char itrigger[MAXBUF];
 141         long matches = 0;
 142
 143         if (!Config->ConfValue(Config->config_data, "insane","trigger", 0, itrigger, MAXBUF))
 144                 strlcpy(itrigger,"95.5",MAXBUF);
 145
 146         if (Config->ConfValueBool(Config->config_data, "insane","hostmasks", 0))
 147                 return false;
 148
 149         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
 150         {
 151                 strlcpy(buffer,u->second->ident,MAXBUF);
 152                 charlcat(buffer,'@',MAXBUF);
 153                 strlcat(buffer,u->second->host,MAXBUF);
 154                 if (match(buffer,mask.c_str()))
 155                         matches++;
 156         }
 157         float percent = ((float)matches / (float)clientlist.size()) * 100;
 158         if (percent > (float)atof(itrigger))
 159         {
 160                 WriteOpers("*** \2WARNING\2: %s tried to set a G/K/E line mask of %s, which covers %.2f%% of the network!",user->nick,mask.c_str(),percent);
 161                 return true;
 162         }
 163         return false;
 164 }
 165
 166 bool InspIRCd::ip_matches_everyone(const std::string &ip, userrec* user)
 167 {
 168         char itrigger[MAXBUF];
 169         long matches = 0;
 170
 171         if (!Config->ConfValue(Config->config_data, "insane","trigger",0,itrigger,MAXBUF))
 172                 strlcpy(itrigger,"95.5",MAXBUF);
 173
 174         if (Config->ConfValueBool(Config->config_data, "insane","ipmasks",0))
 175                 return false;
 176
 177         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
 178         {
 179                 if (match(u->second->GetIPString(),ip.c_str(),true))
 180                         matches++;
 181         }
 182
 183         float percent = ((float)matches / (float)clientlist.size()) * 100;
 184         if (percent > (float)atof(itrigger))
 185         {
 186                 WriteOpers("*** \2WARNING\2: %s tried to set a Z line mask of %s, which covers %.2f%% of the network!",user->nick,ip.c_str(),percent);
 187                 return true;
 188         }
 189         return false;
 190 }
 191
 192 bool InspIRCd::nick_matches_everyone(const std::string &nick, userrec* user)
 193 {
 194         char itrigger[MAXBUF];
 195         long matches = 0;
 196
 197         if (!Config->ConfValue(Config->config_data, "insane","trigger",0,itrigger,MAXBUF))
 198                 strlcpy(itrigger,"95.5",MAXBUF);
 199
 200         if (Config->ConfValueBool(Config->config_data, "insane","nickmasks",0))
 201                 return false;
 202
 203         for (user_hash::iterator u = clientlist.begin(); u != clientlist.end(); u++)
 204         {
 205                 if (match(u->second->nick,nick.c_str()))
 206                         matches++;
 207         }
 208
 209         float percent = ((float)matches / (float)clientlist.size()) * 100;
 210         if (percent > (float)atof(itrigger))
 211         {
 212                 WriteOpers("*** \2WARNING\2: %s tried to set a Q line mask of %s, which covers %.2f%% of the network!",user->nick,nick.c_str(),percent);
 213                 return true;
 214         }
 215         return false;
 216 }