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 "inspircd.h"
  15 #include "configreader.h"
  16 #include "typedefs.h"
  17 #include "users.h"
  18 #include "modules.h"
  19 #include "wildcard.h"
  20 #include "commands/cmd_oper.h"
  21 #include "hashcomp.h"
  22
  23 bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
  24 {
  25         std::stringstream hl(hostlist);
  26         std::string xhost;
  27         while (hl >> xhost)
  28         {
  29                 if (match(host,xhost.c_str()) || match(ip,xhost.c_str(),true))
  30                 {
  31                         return true;
  32                 }
  33         }
  34         return false;
  35 }
  36
  37 extern "C" DllExport command_t* init_command(InspIRCd* Instance)
  38 {
  39         return new cmd_oper(Instance);
  40 }
  41
  42 CmdResult cmd_oper::Handle (const char** parameters, int pcnt, userrec *user)
  43 {
  44         char LoginName[MAXBUF];
  45         char Password[MAXBUF];
  46         char OperType[MAXBUF];
  47         char TypeName[MAXBUF];
  48         char HostName[MAXBUF];
  49         char ClassName[MAXBUF];
  50         char TheHost[MAXBUF];
  51         char TheIP[MAXBUF];
  52         int j;
  53         bool found = false;
  54         bool type_invalid = false;
  55
  56         bool match_login = false;
  57         bool match_pass = false;
  58         bool match_hosts = false;
  59
  60         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
  61         snprintf(TheIP, MAXBUF,"%s@%s",user->ident,user->GetIPString());
  62
  63         for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
  64         {
  65                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
  66                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
  67                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
  68                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
  69
  70                 match_login = !strcmp(LoginName,parameters[0]);
  71                 match_pass = !ServerInstance->OperPassCompare(Password,parameters[1], i);
  72                 match_hosts = OneOfMatches(TheHost,TheIP,HostName);
  73
  74                 if (match_login && match_pass && match_hosts)
  75                 {
  76                         type_invalid = true;
  77                         for (j =0; j < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "type"); j++)
  78                         {
  79                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type", "name", j, TypeName, MAXBUF);
  80                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type", "class", j, ClassName, MAXBUF);
  81
  82                                 if (!strcmp(TypeName,OperType))
  83                                 {
  84                                         /* found this oper's opertype */
  85                                         if (!ServerInstance->IsNick(TypeName))
  86                                         {
  87                                                 user->WriteServ("491 %s :Invalid oper type (oper types must follow the same syntax as nicknames)",user->nick);
  88                                                 ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper type '%s' contains invalid characters",OperType);
  89                                                 ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type erroneous.",user->nick,user->ident,user->host);
  90                                                 return CMD_FAILURE;
  91                                         }
  92                                         ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","host", j, HostName, MAXBUF);
  93                                         if (*HostName)
  94                                                 user->ChangeDisplayedHost(HostName);
  95                                         if (*ClassName)
  96                                                 user->CheckClass(ClassName);
  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,irc::Spacify(OperType),parameters[0]);
 110                 user->WriteServ("381 %s :You are now an IRC operator of type %s",user->nick,irc::Spacify(OperType));
 111                 if (!user->IsModeSet('o'))
 112                         user->Oper(OperType);
 113         }
 114         else
 115         {
 116                 std::deque<std::string> n;
 117                 n.push_back("o");
 118                 char broadcast[MAXBUF];
 119
 120                 if (!type_invalid)
 121                 {
 122                         std::string fields;
 123                         if (!match_login)
 124                                 fields.append("login ");
 125                         if (!match_pass)
 126                                 fields.append("password ");
 127                         if (!match_hosts)
 128                                 fields.append("hosts");
 129                         user->WriteServ("491 %s :Invalid oper credentials",user->nick);
 130
 131                         snprintf(broadcast, MAXBUF, "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());
 132                         ServerInstance->SNO->WriteToSnoMask('o',std::string(broadcast));
 133                         n.push_back(broadcast);
 134                         Event rmode2((char *)&n, NULL, "send_snoset");
 135                         rmode2.Send(ServerInstance);
 136
 137                         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());
 138                         return CMD_FAILURE;
 139                 }
 140                 else
 141                 {
 142                         user->WriteServ("491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
 143
 144                         snprintf(broadcast, MAXBUF, "CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0],OperType);
 145
 146                         ServerInstance->SNO->WriteToSnoMask('o', std::string(broadcast));
 147                         n.push_back(broadcast);
 148                         Event rmode2((char *)&n, NULL, "send_snoset");
 149                         rmode2.Send(ServerInstance);
 150
 151                         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]);
 152                         return CMD_FAILURE;
 153                 }
 154         }
 155         return CMD_SUCCESS;
 156 }
 157