src/cmd_oper.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "configreader.h"
  15 #include "typedefs.h"
  16 #include "users.h"
  17 #include "modules.h"
  18 #include "wildcard.h"
  19 #include "commands/cmd_oper.h"
  20 #include "hashcomp.h"
  21
  22 bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
  23 {
  24         std::stringstream hl(hostlist);
  25         std::string xhost;
  26         while (hl >> xhost)
  27         {
  28                 if (match(host,xhost.c_str()) || match(ip,xhost.c_str(),true))
  29                 {
  30                         return true;
  31                 }
  32         }
  33         return false;
  34 }
  35
  36 extern "C" command_t* init_command(InspIRCd* Instance)
  37 {
  38         return new cmd_oper(Instance);
  39 }
  40
  41 CmdResult cmd_oper::Handle (const char** parameters, int pcnt, userrec *user)
  42 {
  43         char LoginName[MAXBUF];
  44         char Password[MAXBUF];
  45         char OperType[MAXBUF];
  46         char TypeName[MAXBUF];
  47         char HostName[MAXBUF];
  48         char TheHost[MAXBUF];
  49         char TheIP[MAXBUF];
  50         int j;
  51         bool found = false;
  52         bool type_invalid = false;
  53
  54         bool match_login = false;
  55         bool match_pass = false;
  56         bool match_hosts = false;
  57
  58         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
  59         snprintf(TheIP, MAXBUF,"%s@%s",user->ident,user->GetIPString());
  60
  61         for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
  62         {
  63                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
  64                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
  65                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
  66                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
  67
  68                 match_login = !strcmp(LoginName,parameters[0]);
  69                 match_pass = !ServerInstance->OperPassCompare(Password,parameters[1], i);
  70                 match_hosts = OneOfMatches(TheHost,TheIP,HostName);
  71
  72                 if (match_login && match_pass && match_hosts)
  73                 {
  74                         type_invalid = true;
  75                         for (j =0; j < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "type"); j++)
  76                         {
  77                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","name", j, TypeName, MAXBUF);
  78
  79                                 if (!strcmp(TypeName,OperType))
  80                                 {
  81                                         /* found this oper's opertype */
  82                                         if (!ServerInstance->IsNick(TypeName))
  83                                         {
  84                                                 user->WriteServ("491 %s :Invalid oper type (oper types must follow the same syntax as nicknames)",user->nick);
  85                                                 ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper type '%s' contains invalid characters",OperType);
  86                                                 ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type erroneous.",user->nick,user->ident,user->host);
  87                                                 return CMD_FAILURE;
  88                                         }
  89                                         ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","host", j, HostName, MAXBUF);
  90                                         if (*HostName)
  91                                                 user->ChangeDisplayedHost(HostName);
  92                                         found = true;
  93                                         type_invalid = false;
  94                                         break;
  95                                 }
  96                         }
  97                 }
  98                 if (match_login || found)
  99                         break;
 100         }
 101         if (found)
 102         {
 103                 /* correct oper credentials */
 104                 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]);
 105                 user->WriteServ("381 %s :You are now an IRC operator of type %s",user->nick,irc::Spacify(OperType));
 106                 if (!user->modes[UM_OPERATOR])
 107                         user->Oper(OperType);
 108         }
 109         else
 110         {
 111                 if (!type_invalid)
 112                 {
 113                         std::string fields = "";
 114                         if (!match_login)
 115                                 fields.append("login ");
 116                         if (!match_pass)
 117                                 fields.append("password ");
 118                         if (!match_hosts)
 119                                 fields.append("hosts");
 120                         user->WriteServ("491 %s :Invalid oper credentials",user->nick);
 121                         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());
 122                         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());
 123                         return CMD_FAILURE;
 124                 }
 125                 else
 126                 {
 127                         user->WriteServ("491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
 128                         ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0],OperType);
 129                         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]);
 130                         return CMD_FAILURE;
 131                 }
 132         }
 133         return CMD_SUCCESS;
 134 }
 135