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