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 TheHost[MAXBUF];
  50         char TheIP[MAXBUF];
  51         int j;
  52         bool found = false;
  53         bool type_invalid = false;
  54
  55         bool match_login = false;
  56         bool match_pass = false;
  57         bool match_hosts = false;
  58
  59         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
  60         snprintf(TheIP, MAXBUF,"%s@%s",user->ident,user->GetIPString());
  61
  62         for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
  63         {
  64                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
  65                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
  66                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
  67                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
  68
  69                 match_login = !strcmp(LoginName,parameters[0]);
  70                 match_pass = !ServerInstance->OperPassCompare(Password,parameters[1], i);
  71                 match_hosts = OneOfMatches(TheHost,TheIP,HostName);
  72
  73                 if (match_login && match_pass && match_hosts)
  74                 {
  75                         type_invalid = true;
  76                         for (j =0; j < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "type"); j++)
  77                         {
  78                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","name", j, TypeName, MAXBUF);
  79
  80                                 if (!strcmp(TypeName,OperType))
  81                                 {
  82                                         /* found this oper's opertype */
  83                                         if (!ServerInstance->IsNick(TypeName))
  84                                         {
  85                                                 user->WriteServ("491 %s :Invalid oper type (oper types must follow the same syntax as nicknames)",user->nick);
  86                                                 ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper type '%s' contains invalid characters",OperType);
  87                                                 ServerInstance->Log(DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type erroneous.",user->nick,user->ident,user->host);
  88                                                 return CMD_FAILURE;
  89                                         }
  90                                         ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","host", j, HostName, MAXBUF);
  91                                         if (*HostName)
  92                                                 user->ChangeDisplayedHost(HostName);
  93                                         found = true;
  94                                         type_invalid = false;
  95                                         break;
  96                                 }
  97                         }
  98                 }
  99                 if (match_login || found)
 100                         break;
 101         }
 102         if (found)
 103         {
 104                 /* correct oper credentials */
 105                 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]);
 106                 user->WriteServ("381 %s :You are now an IRC operator of type %s",user->nick,irc::Spacify(OperType));
 107                 if (!user->modes[UM_OPERATOR])
 108                         user->Oper(OperType);
 109         }
 110         else
 111         {
 112                 std::deque<std::string> n;
 113                 n.push_back("o");
 114                 char broadcast[MAXBUF];
 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
 127                         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());
 128                         ServerInstance->SNO->WriteToSnoMask('o',std::string(broadcast));
 129                         n.push_back(broadcast);
 130                         Event rmode2((char *)&n, NULL, "send_snoset");
 131                         rmode2.Send(ServerInstance);
 132
 133                         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());
 134                         return CMD_FAILURE;
 135                 }
 136                 else
 137                 {
 138                         user->WriteServ("491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
 139
 140                         snprintf(broadcast, MAXBUF, "CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0],OperType);
 141
 142                         ServerInstance->SNO->WriteToSnoMask('o', std::string(broadcast));
 143                         n.push_back(broadcast);
 144                         Event rmode2((char *)&n, NULL, "send_snoset");
 145                         rmode2.Send(ServerInstance);
 146
 147                         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]);
 148                         return CMD_FAILURE;
 149                 }
 150         }
 151         return CMD_SUCCESS;
 152 }
 153