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 <pthread.h>
  26 #include <signal.h>
  27 #include "inspstring.h"
  28 #include "helperfuncs.h"
  29
  30 extern std::stringstream config_f;
  31 extern char ServerName[MAXBUF];
  32
  33 extern time_t TIME;
  34
  35 userrec::userrec()
  36 {
  37         // the PROPER way to do it, AVOID bzero at *ALL* costs
  38         strcpy(nick,"");
  39         strcpy(ip,"127.0.0.1");
  40         timeout = 0;
  41         strcpy(ident,"");
  42         strcpy(host,"");
  43         strcpy(dhost,"");
  44         strcpy(fullname,"");
  45         strcpy(modes,"");
  46         server = (char*)FindServerNamePtr(ServerName);
  47         strcpy(awaymsg,"");
  48         strcpy(oper,"");
  49         reset_due = TIME;
  50         lines_in = 0;
  51         fd = lastping = signon = idle_lastmsg = nping = registered = 0;
  52         flood = port = bytes_in = bytes_out = cmds_in = cmds_out = 0;
  53         haspassed = false;
  54         dns_done = false;
  55         recvq = "";
  56         sendq = "";
  57         for (int i = 0; i < MAXCHANS; i++)
  58         {
  59                 this->chans[i].channel = NULL;
  60                 this->chans[i].uc_modes = 0;
  61         }
  62         invites.clear();
  63 }
  64
  65 userrec::~userrec()
  66 {
  67         pthread_kill(this->dnsthread,9);
  68 }
  69
  70 void userrec::CloseSocket()
  71 {
  72         shutdown(this->fd,2);
  73         close(this->fd);
  74 }
  75
  76 char* userrec::GetFullHost()
  77 {
  78         static char result[MAXBUF];
  79         snprintf(result,MAXBUF,"%s!%s@%s",nick,ident,dhost);
  80         return result;
  81 }
  82
  83 int userrec::ReadData(void* buffer, size_t size)
  84 {
  85         if (this->fd > -1)
  86         {
  87                 log(DEBUG,"userrec::ReadData on fd %d",this->fd);
  88                 return read(this->fd, buffer, size);
  89         }
  90         else return 0;
  91 }
  92
  93
  94 char* userrec::GetFullRealHost()
  95 {
  96         static char fresult[MAXBUF];
  97         snprintf(fresult,MAXBUF,"%s!%s@%s",nick,ident,host);
  98         return fresult;
  99 }
 100
 101 bool userrec::IsInvited(char* channel)
 102 {
 103         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 104         {
 105                 if (i->channel) {
 106                         if (!strcasecmp(i->channel,channel))
 107                         {
 108                                 return true;
 109                         }
 110                 }
 111         }
 112         return false;
 113 }
 114
 115 InvitedList* userrec::GetInviteList()
 116 {
 117         return &invites;
 118 }
 119
 120 void userrec::InviteTo(char* channel)
 121 {
 122         Invited i;
 123         strlcpy(i.channel,channel,CHANMAX);
 124         invites.push_back(i);
 125 }
 126
 127 void userrec::RemoveInvite(char* channel)
 128 {
 129         log(DEBUG,"Removing invites");
 130         if (channel)
 131         {
 132                 if (invites.size())
 133                 {
 134                         for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
 135                         {
 136                                 if (i->channel)
 137                                 {
 138                                         if (!strcasecmp(i->channel,channel))
 139                                         {
 140                                                 invites.erase(i);
 141                                                 return;
 142                                         }
 143                                 }
 144                         }
 145                 }
 146         }
 147 }
 148
 149 bool userrec::HasPermission(char* command)
 150 {
 151         char TypeName[MAXBUF],Classes[MAXBUF],ClassName[MAXBUF],CommandList[MAXBUF];
 152         char* mycmd;
 153         char* savept;
 154         char* savept2;
 155
 156         // are they even an oper at all?
 157         if (strchr(this->modes,'o'))
 158         {
 159                 log(DEBUG,"*** HasPermission: %s is an oper",this->nick);
 160                 for (int j =0; j < ConfValueEnum("type",&config_f); j++)
 161                 {
 162                         ConfValue("type","name",j,TypeName,&config_f);
 163                         if (!strcmp(TypeName,this->oper))
 164                         {
 165                                 log(DEBUG,"*** HasPermission: %s is an oper of type '%s'",this->nick,this->oper);
 166                                 ConfValue("type","classes",j,Classes,&config_f);
 167                                 char* myclass = strtok_r(Classes," ",&savept);
 168                                 while (myclass)
 169                                 {
 170                                         log(DEBUG,"*** HasPermission: checking classtype '%s'",myclass);
 171                                         for (int k =0; k < ConfValueEnum("class",&config_f); k++)
 172                                         {
 173                                                 ConfValue("class","name",k,ClassName,&config_f);
 174                                                 if (!strcmp(ClassName,myclass))
 175                                                 {
 176                                                         ConfValue("class","commands",k,CommandList,&config_f);
 177                                                         log(DEBUG,"*** HasPermission: found class named %s with commands: '%s'",ClassName,CommandList);
 178
 179
 180                                                         mycmd = strtok_r(CommandList," ",&savept2);
 181                                                         while (mycmd)
 182                                                         {
 183                                                                 if (!strcasecmp(mycmd,command))
 184                                                                 {
 185                                                                         log(DEBUG,"*** Command %s found, returning true",command);
 186                                                                         return true;
 187                                                                 }
 188                                                                 mycmd = strtok_r(NULL," ",&savept2);
 189                                                         }
 190                                                 }
 191                                         }
 192                                         myclass = strtok_r(NULL," ",&savept);
 193                                 }
 194                         }
 195                 }
 196         }
 197         return false;
 198 }
 199
 200
 201 bool userrec::AddBuffer(std::string a)
 202 {
 203         std::string b = "";
 204         for (unsigned int i = 0; i < a.length(); i++)
 205                 if ((a[i] != '\r') && (a[i] != '\0') && (a[i] != 7))
 206                         b = b + a[i];
 207         std::stringstream stream(recvq);
 208         stream << b;
 209         recvq = stream.str();
 210         unsigned int i = 0;
 211         // count the size of the first line in the buffer.
 212         while (i < recvq.length())
 213         {
 214                 if (recvq[i++] == '\n')
 215                         break;
 216         }
 217         if (recvq.length() > (unsigned)this->recvqmax)
 218         {
 219                 this->SetWriteError("RecvQ exceeded");
 220                 WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax);
 221         }
 222         // return false if we've had more than 600 characters WITHOUT
 223         // a carriage return (this is BAD, drop the socket)
 224         return (i < 600);
 225 }
 226
 227 bool userrec::BufferIsReady()
 228 {
 229         for (unsigned int i = 0; i < recvq.length(); i++)
 230                 if (recvq[i] == '\n')
 231                         return true;
 232         return false;
 233 }
 234
 235 void userrec::ClearBuffer()
 236 {
 237         recvq = "";
 238 }
 239
 240 std::string userrec::GetBuffer()
 241 {
 242         if (recvq == "")
 243                 return "";
 244         char* line = (char*)recvq.c_str();
 245         std::string ret = "";
 246         while ((*line != '\n') && (strlen(line)))
 247         {
 248                 ret = ret + *line;
 249                 line++;
 250         }
 251         if ((*line == '\n') || (*line == '\r'))
 252                 line++;
 253         recvq = line;
 254         return ret;
 255 }
 256
 257 void userrec::AddWriteBuf(std::string data)
 258 {
 259         if (this->GetWriteError() != "")
 260                 return;
 261         if (sendq.length() + data.length() > (unsigned)this->sendqmax)
 262         {
 263                 WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax);
 264                 this->SetWriteError("SendQ exceeded");
 265                 return;
 266         }
 267         std::stringstream stream;
 268         stream << sendq << data;
 269         sendq = stream.str();
 270 }
 271
 272 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
 273 void userrec::FlushWriteBuf()
 274 {
 275         if (sendq.length())
 276         {
 277                 char* tb = (char*)this->sendq.c_str();
 278                 int n_sent = write(this->fd,tb,this->sendq.length());
 279                 if (n_sent == -1)
 280                 {
 281                         this->SetWriteError(strerror(errno));
 282                 }
 283                 else
 284                 {
 285                         // advance the queue
 286                         tb += n_sent;
 287                         this->sendq = tb;
 288                         // update the user's stats counters
 289                         this->bytes_out += n_sent;
 290                         this->cmds_out++;
 291                 }
 292         }
 293 }
 294
 295 void userrec::SetWriteError(std::string error)
 296 {
 297         log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str());
 298         // don't try to set the error twice, its already set take the first string.
 299         if (this->WriteError == "")
 300                 this->WriteError = error;
 301 }
 302
 303 std::string userrec::GetWriteError()
 304 {
 305         return this->WriteError;
 306 }