src/commands/cmd_oper.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 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 "wildcard.h"
  16 #include "commands/cmd_oper.h"
  17 #include "hashcomp.h"
  18
  19 bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
  20 {
  21         std::stringstream hl(hostlist);
  22         std::string xhost;
  23         while (hl >> xhost)
  24         {
  25                 if (match(host,xhost.c_str()) || match(ip,xhost.c_str(),true))
  26                 {
  27                         return true;
  28                 }
  29         }
  30         return false;
  31 }
  32
  33 extern "C" DllExport Command* init_command(InspIRCd* Instance)
  34 {
  35         return new CommandOper(Instance);
  36 }
  37
  38 CmdResult CommandOper::Handle (const char* const* parameters, int, User *user)
  39 {
  40         char LoginName[MAXBUF];
  41         char Password[MAXBUF];
  42         char OperType[MAXBUF];
  43         char TypeName[MAXBUF];
  44         char HostName[MAXBUF];
  45         char ClassName[MAXBUF];
  46         char TheHost[MAXBUF];
  47         char TheIP[MAXBUF];
  48         char HashType[MAXBUF];
  49         int j;
  50         bool found = false;
  51         bool type_invalid = false;
  52
  53         bool match_login = false;
  54         bool match_pass = false;
  55         bool match_hosts = false;
  56
  57         snprintf(TheHost,MAXBUF,"%s@%s",user->ident,user->host);
  58         snprintf(TheIP, MAXBUF,"%s@%s",user->ident,user->GetIPString());
  59
  60         for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
  61         {
  62                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
  63                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
  64                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
  65                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
  66                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "hash", i, HashType, MAXBUF);
  67
  68                 match_login = !strcmp(LoginName,parameters[0]);
  69                 match_pass = !ServerInstance->PassCompare(user, Password,parameters[1], HashType);
  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                                 ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type", "class", j, ClassName, 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                                         if (*ClassName)
  94                                         {
  95                                                 user->SetClass(ClassName);
  96                                                 user->CheckClass();
  97                                         }
  98                                         found = true;
  99                                         type_invalid = false;
 100                                         break;
 101                                 }
 102                         }
 103                 }
 104                 if (match_login || found)
 105                         break;
 106         }
 107         if (found)
 108         {
 109                 /* correct oper credentials */
 110                 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]);
 111                 user->WriteServ("381 %s :You are now %s %s",user->nick, strchr("aeiouAEIOU", *OperType) ? "an" : "a", irc::Spacify(OperType));
 112                 if (!user->IsModeSet('o'))
 113                         user->Oper(OperType, LoginName);
 114         }
 115         else
 116         {
 117                 std::deque<std::string> n;
 118                 n.push_back("o");
 119                 char broadcast[MAXBUF];
 120
 121                 if (!type_invalid)
 122                 {
 123                         std::string fields;
 124                         if (!match_login)
 125                                 fields.append("login ");
 126                         else
 127                         {
 128                                 if (!match_pass)
 129                                         fields.append("password ");
 130                                 if (!match_hosts)
 131                                         fields.append("hosts");
 132                         }
 133
 134                         // tell them they suck, and lag them up to help prevent brute-force attacks
 135                         user->WriteServ("491 %s :Invalid oper credentials",user->nick);
 136                         user->IncreasePenalty(10);
 137
 138                         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());
 139                         ServerInstance->SNO->WriteToSnoMask('o',std::string(broadcast));
 140                         n.push_back(broadcast);
 141                         Event rmode2((char *)&n, NULL, "send_snoset");
 142                         rmode2.Send(ServerInstance);
 143
 144                         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());
 145                         return CMD_FAILURE;
 146                 }
 147                 else
 148                 {
 149                         user->WriteServ("491 %s :Your oper block does not have a valid opertype associated with it",user->nick);
 150
 151                         snprintf(broadcast, MAXBUF, "CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0],OperType);
 152
 153                         ServerInstance->SNO->WriteToSnoMask('o', std::string(broadcast));
 154                         n.push_back(broadcast);
 155                         Event rmode2((char *)&n, NULL, "send_snoset");
 156                         rmode2.Send(ServerInstance);
 157
 158                         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]);
 159                         return CMD_FAILURE;
 160                 }
 161         }
 162         return CMD_SUCCESS;
 163 }
 164