src/cmd_oper.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 "configreader.h"
  18 #include "typedefs.h"
  19 #include "users.h"
  20 #include "modules.h"
  21 #include "wildcard.h"
  22 #include "commands/cmd_oper.h"
  23 #include "hashcomp.h"
  24
  25 bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
  26 {
  27         std::stringstream hl(hostlist);
  28         std::string xhost;
  29         while (hl >> xhost)
  30         {
  31                 if (match(host,xhost.c_str()) || match(ip,xhost.c_str(),true))
  32                 {
  33                         return true;
  34                 }
  35         }
  36         return false;
  37 }
  38
  39 extern "C" command_t* init_command(InspIRCd* Instance)
  40 {
  41         return new cmd_oper(Instance);
  42 }
  43
  44 CmdResult cmd_oper::Handle (const char** parameters, int pcnt, userrec *user)
  45 {
  46         char LoginName[MAXBUF];
  47         char Password[MAXBUF];
  48         char OperType[MAXBUF];
  49         char TypeName[MAXBUF];
  50         char HostName[MAXBUF];
  51         char TheHost[MAXBUF];
  52         char TheIP[MAXBUF];
  53         int j;
  54         bool found = false;
  55         bool type_invalid = false;
  56
  57         bool match_login = false;
  58         bool match_pass = false;
  59         bool match_hosts = false;
  60
  61         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
  62         snprintf(TheIP, MAXBUF,"%s@%s",user->ident,user->GetIPString());
  63
  64         for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
  65         {
  66                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
  67                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
  68                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
  69                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
  70
  71                 match_login = !strcmp(LoginName,parameters[0]);
  72                 match_pass = !ServerInstance->OperPassCompare(Password,parameters[1], i);
  73                 match_hosts = OneOfMatches(TheHost,TheIP,HostName);
  74
  75                 if (match_login && match_pass && match_hosts)
  76                 {
  77                         type_invalid = true;
  78                         for (j =0; j < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "type"); j++)
  79                         {
  80                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","name", j, TypeName, MAXBUF);
  81
  82                                 if (!strcmp(TypeName,OperType))
  83                                 {
  84                                         /* found this oper's opertype */
  85                                         ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","host", j, HostName, MAXBUF);
  86                                         if (*HostName)
  87                                                 user->ChangeDisplayedHost(HostName);
  88                                         if (!ServerInstance->IsNick(TypeName))
  89                                         {
  90                                                 user->WriteServ("491 %s :Invalid oper type (oper types must follow the same syntax as nicknames)",user->nick);
  91                                                 ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper type '%s' contains invalid characters",OperType);
  92                                                 ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type erroneous.",user->nick,user->ident,user->host);
  93                                                 return CMD_FAILURE;
  94                                         }
  95                                         found = true;
  96                                         type_invalid = false;
  97                                         break;
  98                                 }
  99                         }
 100                 }
 101                 if (match_login || found)
 102                         break;
 103         }
 104         if (found)
 105         {
 106                 /* correct oper credentials */
 107                 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",user->nick,user->ident,user->host,irc::Spacify(OperType),parameters[0]);
 108                 user->WriteServ("381 %s :You are now an IRC operator of type %s",user->nick,irc::Spacify(OperType));
 109                 if (!user->modes[UM_OPERATOR])
 110                         user->Oper(OperType);
 111         }
 112         else
 113         {
 114                 if (!type_invalid)
 115                 {
 116                         std::string fields = "";
 117                         if (!match_login)
 118                                 fields.append("login ");
 119                         if (!match_pass)
 120                                 fields.append("password ");
 121                         if (!match_hosts)
 122                                 fields.append("hosts");
 123                         user->WriteServ("491 %s :Invalid oper credentials",user->nick);
 124                         ServerInstance->SNO->WriteToSnoMask('o',"WARNING! Failed oper attempt by %s!%s@%s using login '%s': The following fields do not match: %s",user->nick,user->ident,user->host, parameters[0], fields.c_str());
 125                         ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s using login '%s': The following fields did not match: %s",user->nick,user->ident,user->host,parameters[0],fields.c_str());
 126                         return CMD_FAILURE;
 127                 }
 128                 else
 129                 {
 130                         user->WriteServ("491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
 131                         ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0],OperType);
 132                         ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s using login '%s': credentials valid, but oper type nonexistent.",user->nick,user->ident,user->host,parameters[0]);
 133                         return CMD_FAILURE;
 134                 }
 135         }
 136         return CMD_SUCCESS;
 137 }
 138