src/users.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 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 using namespace std;
  18
  19 #include "inspircd_config.h"
  20 #include "channels.h"
  21 #include "users.h"
  22 #include "inspircd.h"
  23 #include <stdio.h>
  24 #include "inspstring.h"
  25 #include "helperfuncs.h"
  26
  27 extern std::stringstream config_f;
  28
  29 extern time_t TIME;
  30
  31 userrec::userrec()
  32 {
  33         // the PROPER way to do it, AVOID bzero at *ALL* costs
  34         strcpy(nick,"");
  35         strcpy(ip,"127.0.0.1");
  36         timeout = 0;
  37         strcpy(ident,"");
  38         strcpy(host,"");
  39         strcpy(dhost,"");
  40         strcpy(fullname,"");
  41         strcpy(modes,"");
  42         strcpy(server,"");
  43         strcpy(awaymsg,"");
  44         strcpy(oper,"");
  45         reset_due = TIME;
  46         lines_in = 0;
  47         fd = lastping = signon = idle_lastmsg = nping = registered = 0;
  48         flood = port = bytes_in = bytes_out = cmds_in = cmds_out = 0;
  49         haspassed = false;
  50         dns_done = false;
  51         recvq = "";
  52         sendq = "";
  53         strcpy(result,"");
  54         for (int i = 0; i < MAXCHANS; i++)
  55         {
  56                 this->chans[i].channel = NULL;
  57                 this->chans[i].uc_modes = 0;
  58         }
  59         invites.clear();
  60 }
  61
  62 void userrec::CloseSocket()
  63 {
  64         shutdown(this->fd);
  65         close(this->fd);
  66 }
  67
  68 char* userrec::GetFullHost()
  69 {
  70         snprintf(result,MAXBUF,"%s!%s@%s",nick,ident,dhost);
  71         return result;
  72 }
  73
  74 int userrec::ReadData(void* buffer, size_t size)
  75 {
  76         if (this->fd > -1)
  77         {
  78                 return read(this->fd, buffer, size)
  79         }
  80         else return 0;
  81 }
  82
  83
  84 char* userrec::GetFullRealHost()
  85 {
  86         snprintf(result,MAXBUF,"%s!%s@%s",nick,ident,host);
  87         return result;
  88 }
  89
  90 bool userrec::IsInvited(char* channel)
  91 {
  92         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
  93         {
  94                 if (i->channel) {
  95                         if (!strcasecmp(i->channel,channel))
  96                         {
  97                                 return true;
  98                         }
  99                 }
 100         }
 101         return false;
 102 }
 103
 104 InvitedList* userrec::GetInviteList()
 105 {
 106         return &invites;
 107 }
 108
 109 void userrec::InviteTo(char* channel)
 110 {
 111         Invited i;
 112         strlcpy(i.channel,channel,CHANMAX);
 113         invites.push_back(i);
 114 }
 115
 116 void userrec::RemoveInvite(char* channel)
 117 {
 118         log(DEBUG,"Removing invites");
 119         if (channel)
 120         {
 121                 if (invites.size())
 122                 {
 123                         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 124                         {
 125                                 if (i->channel)
 126                                 {
 127                                         if (!strcasecmp(i->channel,channel))
 128                                         {
 129                                                 invites.erase(i);
 130                                                 return;
 131                                         }
 132                                 }
 133                         }
 134                 }
 135         }
 136 }
 137
 138 bool userrec::HasPermission(char* command)
 139 {
 140         char TypeName[MAXBUF],Classes[MAXBUF],ClassName[MAXBUF],CommandList[MAXBUF];
 141         char* mycmd;
 142         char* savept;
 143         char* savept2;
 144
 145         // are they even an oper at all?
 146         if (strchr(this->modes,'o'))
 147         {
 148                 log(DEBUG,"*** HasPermission: %s is an oper",this->nick);
 149                 for (int j =0; j < ConfValueEnum("type",&config_f); j++)
 150                 {
 151                         ConfValue("type","name",j,TypeName,&config_f);
 152                         if (!strcmp(TypeName,this->oper))
 153                         {
 154                                 log(DEBUG,"*** HasPermission: %s is an oper of type '%s'",this->nick,this->oper);
 155                                 ConfValue("type","classes",j,Classes,&config_f);
 156                                 char* myclass = strtok_r(Classes," ",&savept);
 157                                 while (myclass)
 158                                 {
 159                                         log(DEBUG,"*** HasPermission: checking classtype '%s'",myclass);
 160                                         for (int k =0; k < ConfValueEnum("class",&config_f); k++)
 161                                         {
 162                                                 ConfValue("class","name",k,ClassName,&config_f);
 163                                                 if (!strcmp(ClassName,myclass))
 164                                                 {
 165                                                         ConfValue("class","commands",k,CommandList,&config_f);
 166                                                         log(DEBUG,"*** HasPermission: found class named %s with commands: '%s'",ClassName,CommandList);
 167
 168
 169                                                         mycmd = strtok_r(CommandList," ",&savept2);
 170                                                         while (mycmd)
 171                                                         {
 172                                                                 if (!strcasecmp(mycmd,command))
 173                                                                 {
 174                                                                         log(DEBUG,"*** Command %s found, returning true",command);
 175                                                                         return true;
 176                                                                 }
 177                                                                 mycmd = strtok_r(NULL," ",&savept2);
 178                                                         }
 179                                                 }
 180                                         }
 181                                         myclass = strtok_r(NULL," ",&savept);
 182                                 }
 183                         }
 184                 }
 185         }
 186         return false;
 187 }
 188
 189
 190 bool userrec::AddBuffer(std::string a)
 191 {
 192         std::string b = "";
 193         for (int i = 0; i < a.length(); i++)
 194                 if ((a[i] != '\r') && (a[i] != '\0') && (a[i] != 7))
 195                         b = b + a[i];
 196         std::stringstream stream(recvq);
 197         stream << b;
 198         recvq = stream.str();
 199         int i = 0;
 200         // count the size of the first line in the buffer.
 201         while (i < recvq.length())
 202         {
 203                 if (recvq[i++] == '\n')
 204                         break;
 205         }
 206         if (recvq.length() > this->recvqmax)
 207         {
 208                 this->SetWriteError("RecvQ exceeded");
 209                 WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
 210         }
 211         // return false if we've had more than 600 characters WITHOUT
 212         // a carriage return (this is BAD, drop the socket)
 213         return (i < 600);
 214 }
 215
 216 bool userrec::BufferIsReady()
 217 {
 218         for (int i = 0; i < recvq.length(); i++)
 219                 if (recvq[i] == '\n')
 220                         return true;
 221         return false;
 222 }
 223
 224 void userrec::ClearBuffer()
 225 {
 226         recvq = "";
 227 }
 228
 229 std::string userrec::GetBuffer()
 230 {
 231         if (recvq == "")
 232                 return "";
 233         char* line = (char*)recvq.c_str();
 234         std::string ret = "";
 235         while ((*line != '\n') && (strlen(line)))
 236         {
 237                 ret = ret + *line;
 238                 line++;
 239         }
 240         if ((*line == '\n') || (*line == '\r'))
 241                 line++;
 242         recvq = line;
 243         return ret;
 244 }
 245
 246 void userrec::AddWriteBuf(std::string data)
 247 {
 248         if (this->GetWriteError() != "")
 249                 return;
 250         if (sendq.length() + data.length() > this->sendqmax)
 251         {
 252                 WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
 253                 this->SetWriteError("SendQ exceeded");
 254                 return;
 255         }
 256         std::stringstream stream;
 257         stream << sendq << data;
 258         sendq = stream.str();
 259 }
 260
 261 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
 262 void userrec::FlushWriteBuf()
 263 {
 264         if (sendq.length())
 265         {
 266                 char* tb = (char*)this->sendq.c_str();
 267                 int n_sent = write(this->fd,tb,this->sendq.length());
 268                 if (n_sent == -1)
 269                 {
 270                         this->SetWriteError(strerror(errno));
 271                 }
 272                 else
 273                 {
 274                         // advance the queue
 275                         tb += n_sent;
 276                         this->sendq = tb;
 277                         // update the user's stats counters
 278                         this->bytes_out += n_sent;
 279                         this->cmds_out++;
 280                 }
 281         }
 282 }
 283
 284 void userrec::SetWriteError(std::string error)
 285 {
 286         log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
 287         // don't try to set the error twice, its already set take the first string.
 288         if (this->WriteError == "")
 289                 this->WriteError = error;
 290 }
 291
 292 std::string userrec::GetWriteError()
 293 {
 294         return this->WriteError;
 295 }