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 "commands/cmd_whois.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
  40
  41 extern "C" command_t* init_command(InspIRCd* Instance)
  42 {
  43         return new cmd_oper(Instance);
  44 }
  45
  46 CmdResult cmd_oper::Handle (const char** parameters, int pcnt, userrec *user)
  47 {
  48         char LoginName[MAXBUF];
  49         char Password[MAXBUF];
  50         char OperType[MAXBUF];
  51         char TypeName[MAXBUF];
  52         char HostName[MAXBUF];
  53         char TheHost[MAXBUF];
  54         char TheIP[MAXBUF];
  55         int j;
  56         bool found = false;
  57         bool type_invalid = false;
  58
  59         bool match_login = false;
  60         bool match_pass = false;
  61         bool match_hosts = false;
  62
  63         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
  64         snprintf(TheIP, MAXBUF,"%s@%s",user->ident,user->GetIPString());
  65
  66         for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
  67         {
  68                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
  69                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
  70                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
  71                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
  72
  73                 match_login = !strcmp(LoginName,parameters[0]);
  74                 match_pass = !ServerInstance->OperPassCompare(Password,parameters[1]);
  75                 match_hosts = OneOfMatches(TheHost,TheIP,HostName);
  76
  77                 if (match_login && match_pass && match_hosts)
  78                 {
  79                         type_invalid = true;
  80                         for (j =0; j < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "type"); j++)
  81                         {
  82                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","name", j, TypeName, MAXBUF);
  83
  84                                 if (!strcmp(TypeName,OperType))
  85                                 {
  86                                         /* found this oper's opertype */
  87                                         ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","host", j, HostName, MAXBUF);
  88                                         if (*HostName)
  89                                                 user->ChangeDisplayedHost(HostName);
  90                                         if (!ServerInstance->IsNick(TypeName))
  91                                         {
  92                                                 user->WriteServ("491 %s :Invalid oper type (oper types must follow the same syntax as nicknames)",user->nick);
  93                                                 ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper type '%s' contains invalid characters",OperType);
  94                                                 ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type erroneous.",user->nick,user->ident,user->host);
  95                                                 return CMD_FAILURE;
  96                                         }
  97                                         found = true;
  98                                         type_invalid = false;
  99                                         break;
 100                                 }
 101                         }
 102                 }
 103                 if (match_login || found)
 104                         break;
 105         }
 106         if (found)
 107         {
 108                 /* correct oper credentials */
 109                 ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",user->nick,user->ident,user->host,Spacify(OperType),parameters[0]);
 110                 user->WriteServ("381 %s :You are now an IRC operator of type %s",user->nick,Spacify(OperType));
 111                 if (!user->modes[UM_OPERATOR])
 112                         user->Oper(OperType);
 113         }
 114         else
 115         {
 116                 if (!type_invalid)
 117                 {
 118                         std::string fields = "";
 119                         if (!match_login)
 120                                 fields.append("login ");
 121                         if (!match_pass)
 122                                 fields.append("password ");
 123                         if (!match_hosts)
 124                                 fields.append("hosts");
 125                         user->WriteServ("491 %s :Invalid oper credentials",user->nick);
 126                         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());
 127                         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());
 128                         return CMD_FAILURE;
 129                 }
 130                 else
 131                 {
 132                         user->WriteServ("491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
 133                         ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0],OperType);
 134                         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]);
 135                         return CMD_FAILURE;
 136                 }
 137         }
 138         return CMD_SUCCESS;
 139 }
 140