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 "connection.h"
  22 #include "users.h"
  23 #include "inspircd.h"
  24 #include <stdio.h>
  25 #include "inspstring.h"
  26 #include "helperfuncs.h"
  27
  28 extern std::stringstream config_f;
  29 extern char ServerName[MAXBUF];
  30
  31 extern time_t TIME;
  32
  33 userrec::userrec()
  34 {
  35         // the PROPER way to do it, AVOID bzero at *ALL* costs
  36         strcpy(nick,"");
  37         strcpy(ip,"127.0.0.1");
  38         timeout = 0;
  39         strcpy(ident,"");
  40         strcpy(host,"");
  41         strcpy(dhost,"");
  42         strcpy(fullname,"");
  43         strcpy(modes,"");
  44         server = (char*)FindServerNamePtr(ServerName);
  45         strcpy(awaymsg,"");
  46         strcpy(oper,"");
  47         reset_due = TIME;
  48         lines_in = 0;
  49         fd = lastping = signon = idle_lastmsg = nping = registered = 0;
  50         flood = port = bytes_in = bytes_out = cmds_in = cmds_out = 0;
  51         haspassed = false;
  52         dns_done = false;
  53         recvq = "";
  54         sendq = "";
  55         for (int i = 0; i < MAXCHANS; i++)
  56         {
  57                 this->chans[i].channel = NULL;
  58                 this->chans[i].uc_modes = 0;
  59         }
  60         invites.clear();
  61 }
  62
  63 userrec::~userrec()
  64 {
  65         pthread_kill(this->dnsthread,9);
  66 }
  67
  68 void userrec::CloseSocket()
  69 {
  70         shutdown(this->fd,2);
  71         close(this->fd);
  72 }
  73
  74 char* userrec::GetFullHost()
  75 {
  76         static char result[MAXBUF];
  77         snprintf(result,MAXBUF,"%s!%s@%s",nick,ident,dhost);
  78         return result;
  79 }
  80
  81 int userrec::ReadData(void* buffer, size_t size)
  82 {
  83         if (this->fd > -1)
  84         {
  85                 log(DEBUG,"userrec::ReadData on fd %d",this->fd);
  86                 return read(this->fd, buffer, size);
  87         }
  88         else return 0;
  89 }
  90
  91
  92 char* userrec::GetFullRealHost()
  93 {
  94         static char fresult[MAXBUF];
  95         snprintf(fresult,MAXBUF,"%s!%s@%s",nick,ident,host);
  96         return fresult;
  97 }
  98
  99 bool userrec::IsInvited(char* channel)
 100 {
 101         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 102         {
 103                 if (i->channel) {
 104                         if (!strcasecmp(i->channel,channel))
 105                         {
 106                                 return true;
 107                         }
 108                 }
 109         }
 110         return false;
 111 }
 112
 113 InvitedList* userrec::GetInviteList()
 114 {
 115         return &invites;
 116 }
 117
 118 void userrec::InviteTo(char* channel)
 119 {
 120         Invited i;
 121         strlcpy(i.channel,channel,CHANMAX);
 122         invites.push_back(i);
 123 }
 124
 125 void userrec::RemoveInvite(char* channel)
 126 {
 127         log(DEBUG,"Removing invites");
 128         if (channel)
 129         {
 130                 if (invites.size())
 131                 {
 132                         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 133                         {
 134                                 if (i->channel)
 135                                 {
 136                                         if (!strcasecmp(i->channel,channel))
 137                                         {
 138                                                 invites.erase(i);
 139                                                 return;
 140                                         }
 141                                 }
 142                         }
 143                 }
 144         }
 145 }
 146
 147 bool userrec::HasPermission(char* command)
 148 {
 149         char TypeName[MAXBUF],Classes[MAXBUF],ClassName[MAXBUF],CommandList[MAXBUF];
 150         char* mycmd;
 151         char* savept;
 152         char* savept2;
 153
 154         // are they even an oper at all?
 155         if (strchr(this->modes,'o'))
 156         {
 157                 log(DEBUG,"*** HasPermission: %s is an oper",this->nick);
 158                 for (int j =0; j < ConfValueEnum("type",&config_f); j++)
 159                 {
 160                         ConfValue("type","name",j,TypeName,&config_f);
 161                         if (!strcmp(TypeName,this->oper))
 162                         {
 163                                 log(DEBUG,"*** HasPermission: %s is an oper of type '%s'",this->nick,this->oper);
 164                                 ConfValue("type","classes",j,Classes,&config_f);
 165                                 char* myclass = strtok_r(Classes," ",&savept);
 166                                 while (myclass)
 167                                 {
 168                                         log(DEBUG,"*** HasPermission: checking classtype '%s'",myclass);
 169                                         for (int k =0; k < ConfValueEnum("class",&config_f); k++)
 170                                         {
 171                                                 ConfValue("class","name",k,ClassName,&config_f);
 172                                                 if (!strcmp(ClassName,myclass))
 173                                                 {
 174                                                         ConfValue("class","commands",k,CommandList,&config_f);
 175                                                         log(DEBUG,"*** HasPermission: found class named %s with commands: '%s'",ClassName,CommandList);
 176
 177
 178                                                         mycmd = strtok_r(CommandList," ",&savept2);
 179                                                         while (mycmd)
 180                                                         {
 181                                                                 if (!strcasecmp(mycmd,command))
 182                                                                 {
 183                                                                         log(DEBUG,"*** Command %s found, returning true",command);
 184                                                                         return true;
 185                                                                 }
 186                                                                 mycmd = strtok_r(NULL," ",&savept2);
 187                                                         }
 188                                                 }
 189                                         }
 190                                         myclass = strtok_r(NULL," ",&savept);
 191                                 }
 192                         }
 193                 }
 194         }
 195         return false;
 196 }
 197
 198
 199 bool userrec::AddBuffer(std::string a)
 200 {
 201         std::string b = "";
 202         for (unsigned int i = 0; i < a.length(); i++)
 203                 if ((a[i] != '\r') && (a[i] != '\0') && (a[i] != 7))
 204                         b = b + a[i];
 205         std::stringstream stream(recvq);
 206         stream << b;
 207         recvq = stream.str();
 208         unsigned int i = 0;
 209         // count the size of the first line in the buffer.
 210         while (i < recvq.length())
 211         {
 212                 if (recvq[i++] == '\n')
 213                         break;
 214         }
 215         if (recvq.length() > (unsigned)this->recvqmax)
 216         {
 217                 this->SetWriteError("RecvQ exceeded");
 218                 WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
 219         }
 220         // return false if we've had more than 600 characters WITHOUT
 221         // a carriage return (this is BAD, drop the socket)
 222         return (i < 600);
 223 }
 224
 225 bool userrec::BufferIsReady()
 226 {
 227         for (unsigned int i = 0; i < recvq.length(); i++)
 228                 if (recvq[i] == '\n')
 229                         return true;
 230         return false;
 231 }
 232
 233 void userrec::ClearBuffer()
 234 {
 235         recvq = "";
 236 }
 237
 238 std::string userrec::GetBuffer()
 239 {
 240         if (recvq == "")
 241                 return "";
 242         char* line = (char*)recvq.c_str();
 243         std::string ret = "";
 244         while ((*line != '\n') && (strlen(line)))
 245         {
 246                 ret = ret + *line;
 247                 line++;
 248         }
 249         if ((*line == '\n') || (*line == '\r'))
 250                 line++;
 251         recvq = line;
 252         return ret;
 253 }
 254
 255 void userrec::AddWriteBuf(std::string data)
 256 {
 257         if (this->GetWriteError() != "")
 258                 return;
 259         if (sendq.length() + data.length() > (unsigned)this->sendqmax)
 260         {
 261                 WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
 262                 this->SetWriteError("SendQ exceeded");
 263                 return;
 264         }
 265         std::stringstream stream;
 266         stream << sendq << data;
 267         sendq = stream.str();
 268 }
 269
 270 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
 271 void userrec::FlushWriteBuf()
 272 {
 273         if (sendq.length())
 274         {
 275                 char* tb = (char*)this->sendq.c_str();
 276                 int n_sent = write(this->fd,tb,this->sendq.length());
 277                 if (n_sent == -1)
 278                 {
 279                         this->SetWriteError(strerror(errno));
 280                 }
 281                 else
 282                 {
 283                         // advance the queue
 284                         tb += n_sent;
 285                         this->sendq = tb;
 286                         // update the user's stats counters
 287                         this->bytes_out += n_sent;
 288                         this->cmds_out++;
 289                 }
 290         }
 291 }
 292
 293 void userrec::SetWriteError(std::string error)
 294 {
 295         log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
 296         // don't try to set the error twice, its already set take the first string.
 297         if (this->WriteError == "")
 298                 this->WriteError = error;
 299 }
 300
 301 std::string userrec::GetWriteError()
 302 {
 303         return this->WriteError;
 304 }