* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
#include "inspircd_config.h"
#include "inspircd.h"
#include "inspircd_io.h"
-#include "inspircd_util.h"
-#include <unistd.h>
#include <fcntl.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
-#include <sys/utsname.h>
#include <time.h>
#include <string>
#ifdef GCC3
#include <sstream>
#include <vector>
#include <deque>
-#include <sched.h>
#ifdef THREADED_DNS
#include <pthread.h>
#endif
#include "socketengine.h"
#include "userprocess.h"
#include "socket.h"
-#include "dns.h"
#include "typedefs.h"
+#include "command_parse.h"
InspIRCd* ServerInstance;
extern std::vector<Module*> modules;
extern std::vector<ircd_module*> factory;
+
std::vector<InspSocket*> module_sockets;
+std::vector<userrec*> local_users;
extern int MODCOUNT;
-int openSockfd[MAXSOCKS];
+extern char LOG_FILE[MAXBUF];
+int openSockfd[MAX_DESCRIPTORS];
+int yield_depth;
+int iterations = 0;
sockaddr_in client,server;
socklen_t length;
-extern InspSocket* socket_ref[65535];
+extern InspSocket* socket_ref[MAX_DESCRIPTORS];
time_t TIME = time(NULL), OLDTIME = time(NULL);
-SocketEngine* SE = NULL;
-
// This table references users by file descriptor.
// its an array to make it VERY fast, as all lookups are referenced
// by an integer, meaning there is no need for a scan/search operation.
-userrec* fd_ref_table[65536];
+userrec* fd_ref_table[MAX_DESCRIPTORS];
-serverstats* stats = new serverstats;
Server* MyServer = new Server;
ServerConfig *Config = new ServerConfig;
user_hash clientlist;
chan_hash chanlist;
-whowas_hash whowas;
-command_table cmdlist;
+
servernamelist servernames;
-int BoundPortCount = 0;
char lowermap[255];
void AddServerName(std::string servername)
return FindServerNamePtr(servername);
}
-std::string InspIRCd::GetRevision()
+bool FindServerName(std::string servername)
{
- /* w00t got me to replace a bunch of strtok_r
- * with something nicer, so i did this. Its the
- * same thing really, only in C++. It places the
- * text into a std::stringstream which is a readable
- * and writeable buffer stream, and then pops two
- * words off it, space delimited. Because it reads
- * into the same variable twice, the first word
- * is discarded, and the second one returned.
- */
- std::stringstream Revision("$Revision$");
- std::string single;
- Revision >> single >> single;
- return single;
-}
-
-
-/* This function pokes and hacks at a parameter list like the following:
- *
- * PART #winbot,#darkgalaxy :m00!
- *
- * to turn it into a series of individual calls like this:
- *
- * PART #winbot :m00!
- * PART #darkgalaxy :m00!
- *
- * The seperate calls are sent to a callback function provided by the caller
- * (the caller will usually call itself recursively). The callback function
- * must be a command handler. Calling this function on a line with no list causes
- * no action to be taken. You must provide a starting and ending parameter number
- * where the range of the list can be found, useful if you have a terminating
- * parameter as above which is actually not part of the list, or parameters
- * before the actual list as well. This code is used by many functions which
- * can function as "one to list" (see the RFC) */
-
-int loop_call(handlerfunc fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
-{
- char plist[MAXBUF];
- char *param;
- char *pars[32];
- char blog[32][MAXBUF];
- char blog2[32][MAXBUF];
- int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0;
- char keystr[MAXBUF];
- char moo[MAXBUF];
-
- for (int i = 0; i <32; i++)
- strcpy(blog[i],"");
-
- for (int i = 0; i <32; i++)
- strcpy(blog2[i],"");
-
- strcpy(moo,"");
- for (int i = 0; i <10; i++)
- {
- if (!parameters[i])
- {
- parameters[i] = moo;
- }
- }
- if (joins)
- {
- if (pcnt > 1) /* we have a key to copy */
- {
- strlcpy(keystr,parameters[1],MAXBUF);
- }
- }
-
- if (!parameters[start])
- {
- return 0;
- }
- if (!strchr(parameters[start],','))
- {
- return 0;
- }
- strcpy(plist,"");
- for (int i = start; i <= end; i++)
- {
- if (parameters[i])
- {
- strlcat(plist,parameters[i],MAXBUF);
- }
- }
-
- j = 0;
- param = plist;
-
- t = strlen(plist);
- for (int i = 0; i < t; i++)
- {
- if (plist[i] == ',')
- {
- plist[i] = '\0';
- strlcpy(blog[j++],param,MAXBUF);
- param = plist+i+1;
- if (j>20)
- {
- WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
- return 1;
- }
- }
- }
- strlcpy(blog[j++],param,MAXBUF);
- total = j;
-
- if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
- {
- strcat(keystr,",");
- }
-
- if ((joins) && (keystr))
- {
- if (strchr(keystr,','))
- {
- j = 0;
- param = keystr;
- t2 = strlen(keystr);
- for (int i = 0; i < t2; i++)
- {
- if (keystr[i] == ',')
- {
- keystr[i] = '\0';
- strlcpy(blog2[j++],param,MAXBUF);
- param = keystr+i+1;
- }
- }
- strlcpy(blog2[j++],param,MAXBUF);
- total2 = j;
- }
- }
-
- for (j = 0; j < total; j++)
+ for (servernamelist::iterator a = servernames.begin(); a < servernames.end(); a++)
{
- if (blog[j])
- {
- pars[0] = blog[j];
- }
- for (q = end; q < pcnt-1; q++)
- {
- if (parameters[q+1])
- {
- pars[q-end+1] = parameters[q+1];
- }
- }
- if ((joins) && (parameters[1]))
- {
- if (pcnt > 1)
- {
- pars[1] = blog2[j];
- }
- else
- {
- pars[1] = NULL;
- }
- }
- /* repeatedly call the function with the hacked parameter list */
- if ((joins) && (pcnt > 1))
- {
- if (pars[1])
- {
- // pars[1] already set up and containing key from blog2[j]
- fn(pars,2,u);
- }
- else
- {
- pars[1] = parameters[1];
- fn(pars,2,u);
- }
- }
- else
- {
- fn(pars,pcnt-(end-start),u);
- }
+ if (*a == servername)
+ return true;
}
-
- return 1;
+ return false;
}
+std::string InspIRCd::GetRevision()
+{
+ return REVISION;
+}
+void InspIRCd::MakeLowerMap()
+{
+ // initialize the lowercase mapping table
+ for (unsigned int cn = 0; cn < 256; cn++)
+ lowermap[cn] = cn;
+ // lowercase the uppercase chars
+ for (unsigned int cn = 65; cn < 91; cn++)
+ lowermap[cn] = tolower(cn);
+ // now replace the specific chars for scandanavian comparison
+ lowermap[(unsigned)'['] = '{';
+ lowermap[(unsigned)']'] = '}';
+ lowermap[(unsigned)'\\'] = '|';
+}
InspIRCd::InspIRCd(int argc, char** argv)
{
printf("ERROR: Your config file is missing, this IRCd will self destruct in 10 seconds!\n");
Exit(ERROR);
}
+ *LOG_FILE = 0;
if (argc > 1) {
for (int i = 1; i < argc; i++)
{
if (!strcmp(argv[i],"-nolimit")) {
Config->unlimitcore = true;
}
+ if (!strcmp(argv[i],"-logfile")) {
+ if (argc > i+1)
+ {
+ strlcpy(LOG_FILE,argv[i+1],MAXBUF);
+ printf("LOG: Setting logfile to %s\n",LOG_FILE);
+ }
+ else
+ {
+ printf("ERROR: The -logfile parameter must be followed by a log file name and path.\n");
+ Exit(ERROR);
+ }
+ }
}
}
strlcpy(Config->MyExecutable,argv[0],MAXBUF);
-
- // initialize the lowercase mapping table
- for (unsigned int cn = 0; cn < 256; cn++)
- lowermap[cn] = cn;
- // lowercase the uppercase chars
- for (unsigned int cn = 65; cn < 91; cn++)
- lowermap[cn] = tolower(cn);
- // now replace the specific chars for scandanavian comparison
- lowermap[(unsigned)'['] = '{';
- lowermap[(unsigned)']'] = '}';
- lowermap[(unsigned)'\\'] = '|';
+ this->MakeLowerMap();
OpenLog(argv, argc);
Config->ClearStack();
Config->Read(true,NULL);
CheckRoot();
- SetupCommandTable();
+ this->ModeGrok = new ModeParser();
+ this->Parser = new CommandParser();
+ this->stats = new serverstats();
AddServerName(Config->ServerName);
CheckDie();
- BoundPortCount = BindPorts();
+ stats->BoundPortCount = BindPorts();
+
+ for(int t = 0; t < 255; t++)
+ Config->global_implementation[t] = 0;
+
+ memset(&Config->implement_lists,0,sizeof(Config->implement_lists));
printf("\n");
+ SetSignals();
if (!Config->nofork)
{
if (DaemonSeed() == ERROR)
SE = new SocketEngine();
/* We must load the modules AFTER initializing the socket engine, now */
- LoadAllModules();
-
- printf("\nInspIRCd is now running!\n");
return;
}
-template<typename T> inline string ConvToStr(const T &in)
-{
- stringstream tmp;
- if (!(tmp << in)) return string();
- return tmp.str();
-}
-
-/* re-allocates a nick in the user_hash after they change nicknames,
- * returns a pointer to the new user as it may have moved */
-
-userrec* ReHashNick(char* Old, char* New)
-{
- //user_hash::iterator newnick;
- user_hash::iterator oldnick = clientlist.find(Old);
-
- log(DEBUG,"ReHashNick: %s %s",Old,New);
-
- if (!strcasecmp(Old,New))
- {
- log(DEBUG,"old nick is new nick, skipping");
- return oldnick->second;
- }
-
- if (oldnick == clientlist.end()) return NULL; /* doesnt exist */
-
- log(DEBUG,"ReHashNick: Found hashed nick %s",Old);
-
- userrec* olduser = oldnick->second;
- clientlist[New] = olduser;
- clientlist.erase(oldnick);
-
- log(DEBUG,"ReHashNick: Nick rehashed as %s",New);
-
- return clientlist[New];
-}
-
-#ifdef THREADED_DNS
-void* dns_task(void* arg)
-{
- userrec* u = (userrec*)arg;
- log(DEBUG,"DNS thread for user %s",u->nick);
- DNS dns1;
- DNS dns2;
- std::string host;
- std::string ip;
- if (dns1.ReverseLookup(u->ip))
- {
- log(DEBUG,"DNS Step 1");
- while (!dns1.HasResult())
- {
- usleep(100);
- }
- host = dns1.GetResult();
- if (host != "")
- {
- log(DEBUG,"DNS Step 2: '%s'",host.c_str());
- if (dns2.ForwardLookup(host))
- {
- while (!dns2.HasResult())
- {
- usleep(100);
- }
- ip = dns2.GetResultIP();
- log(DEBUG,"DNS Step 3 '%s'(%d) '%s'(%d)",ip.c_str(),ip.length(),u->ip,strlen(u->ip));
- if (ip == std::string(u->ip))
- {
- log(DEBUG,"DNS Step 4");
- if (host.length() < 160)
- {
- log(DEBUG,"DNS Step 5");
- strcpy(u->host,host.c_str());
- strcpy(u->dhost,host.c_str());
- }
- }
- }
- }
- }
- u->dns_done = true;
- return NULL;
-}
-#endif
-
std::string InspIRCd::GetVersionString()
{
char versiondata[MAXBUF];
#else
char dnsengine[] = "singlethread";
#endif
- snprintf(versiondata,MAXBUF,"%s Rev. %s %s :%s [FLAGS=%lu,%s,%s]",VERSION,GetRevision().c_str(),Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine);
- return versiondata;
-}
-
-
-bool is_valid_cmd(const char* commandname, int pcnt, userrec * user)
-{
- for (unsigned int i = 0; i < cmdlist.size(); i++)
- {
- if (!strcasecmp(cmdlist[i].command,commandname))
- {
- if (cmdlist[i].handler_function)
- {
- if ((pcnt>=cmdlist[i].min_params) && (strcasecmp(cmdlist[i].source,"<core>")))
- {
- if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
- {
- if (cmdlist[i].flags_needed)
- {
- if ((user->HasPermission((char*)commandname)) || (is_uline(user->server)))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- return true;
- }
- }
- }
- }
- }
- return false;
-}
-
-// calls a handler function for a command
-
-void call_handler(const char* commandname,char **parameters, int pcnt, userrec *user)
-{
- for (unsigned int i = 0; i < cmdlist.size(); i++)
- {
- if (!strcasecmp(cmdlist[i].command,commandname))
- {
- if (cmdlist[i].handler_function)
- {
- if (pcnt>=cmdlist[i].min_params)
- {
- if ((strchr(user->modes,cmdlist[i].flags_needed)) || (!cmdlist[i].flags_needed))
- {
- if (cmdlist[i].flags_needed)
- {
- if ((user->HasPermission((char*)commandname)) || (is_uline(user->server)))
- {
- cmdlist[i].handler_function(parameters,pcnt,user);
- }
- }
- else
- {
- cmdlist[i].handler_function(parameters,pcnt,user);
- }
- }
- }
- }
- }
- }
-}
-
-
-void force_nickchange(userrec* user,const char* newnick)
-{
- char nick[MAXBUF];
- int MOD_RESULT = 0;
-
- strcpy(nick,"");
-
- FOREACH_RESULT(OnUserPreNick(user,newnick));
- if (MOD_RESULT) {
- stats->statsCollisions++;
- kill_link(user,"Nickname collision");
- return;
- }
- if (matches_qline(newnick))
- {
- stats->statsCollisions++;
- kill_link(user,"Nickname collision");
- return;
- }
-
- if (user)
- {
- if (newnick)
- {
- strncpy(nick,newnick,MAXBUF);
- }
- if (user->registered == 7)
- {
- char* pars[1];
- pars[0] = nick;
- handle_nick(pars,1,user);
- }
- }
-}
-
-
-int process_parameters(char **command_p,char *parameters)
-{
- int j = 0;
- int q = strlen(parameters);
- if (!q)
- {
- /* no parameters, command_p invalid! */
- return 0;
- }
- if (parameters[0] == ':')
+ if (*Config->CustomVersion)
{
- command_p[0] = parameters+1;
- return 1;
- }
- if (q)
- {
- if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':'))
- {
- /* only one parameter */
- command_p[0] = parameters;
- if (parameters[0] == ':')
- {
- if (strchr(parameters,' ') != NULL)
- {
- command_p[0]++;
- }
- }
- return 1;
- }
- }
- command_p[j++] = parameters;
- for (int i = 0; i <= q; i++)
- {
- if (parameters[i] == ' ')
- {
- command_p[j++] = parameters+i+1;
- parameters[i] = '\0';
- if (command_p[j-1][0] == ':')
- {
- *command_p[j-1]++; /* remove dodgy ":" */
- break;
- /* parameter like this marks end of the sequence */
- }
- }
- }
- return j; /* returns total number of items in the list */
-}
-
-void process_command(userrec *user, char* cmd)
-{
- char *parameters;
- char *command;
- char *command_p[127];
- char p[MAXBUF], temp[MAXBUF];
- int j, items, cmd_found;
-
- for (int i = 0; i < 127; i++)
- command_p[i] = NULL;
-
- if (!user)
- {
- return;
- }
- if (!cmd)
- {
- return;
- }
- if (!cmd[0])
- {
- return;
- }
-
- int total_params = 0;
- if (strlen(cmd)>2)
- {
- for (unsigned int q = 0; q < strlen(cmd)-1; q++)
- {
- if ((cmd[q] == ' ') && (cmd[q+1] == ':'))
- {
- total_params++;
- // found a 'trailing', we dont count them after this.
- break;
- }
- if (cmd[q] == ' ')
- total_params++;
- }
- }
-
- // another phidjit bug...
- if (total_params > 126)
- {
- *(strchr(cmd,' ')) = '\0';
- WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
- return;
- }
-
- strlcpy(temp,cmd,MAXBUF);
-
- std::string tmp = cmd;
- for (int i = 0; i <= MODCOUNT; i++)
- {
- std::string oldtmp = tmp;
- modules[i]->OnServerRaw(tmp,true,user);
- if (oldtmp != tmp)
- {
- log(DEBUG,"A Module changed the input string!");
- log(DEBUG,"New string: %s",tmp.c_str());
- log(DEBUG,"Old string: %s",oldtmp.c_str());
- break;
- }
- }
- strlcpy(cmd,tmp.c_str(),MAXBUF);
- strlcpy(temp,cmd,MAXBUF);
-
- if (!strchr(cmd,' '))
- {
- /* no parameters, lets skip the formalities and not chop up
- * the string */
- log(DEBUG,"About to preprocess command with no params");
- items = 0;
- command_p[0] = NULL;
- parameters = NULL;
- for (unsigned int i = 0; i <= strlen(cmd); i++)
- {
- cmd[i] = toupper(cmd[i]);
- }
- command = cmd;
+ snprintf(versiondata,MAXBUF,"%s %s :%s",VERSION,Config->ServerName,Config->CustomVersion);
}
else
{
- strcpy(cmd,"");
- j = 0;
- /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
- for (unsigned int i = 0; i < strlen(temp); i++)
- {
- if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
- {
- cmd[j++] = temp[i];
- cmd[j] = 0;
- }
- }
- /* split the full string into a command plus parameters */
- parameters = p;
- strcpy(p," ");
- command = cmd;
- if (strchr(cmd,' '))
- {
- for (unsigned int i = 0; i <= strlen(cmd); i++)
- {
- /* capitalise the command ONLY, leave params intact */
- cmd[i] = toupper(cmd[i]);
- /* are we nearly there yet?! :P */
- if (cmd[i] == ' ')
- {
- command = cmd;
- parameters = cmd+i+1;
- cmd[i] = '\0';
- break;
- }
- }
- }
- else
- {
- for (unsigned int i = 0; i <= strlen(cmd); i++)
- {
- cmd[i] = toupper(cmd[i]);
- }
- }
-
- }
- cmd_found = 0;
-
- if (strlen(command)>MAXCOMMAND)
- {
- WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
- return;
- }
-
- for (unsigned int x = 0; x < strlen(command); x++)
- {
- if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.'))
- {
- if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
- {
- if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x]))
- {
- stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- return;
- }
- }
- }
- }
-
- for (unsigned int i = 0; i != cmdlist.size(); i++)
- {
- if (cmdlist[i].command[0])
- {
- if (strlen(command)>=(strlen(cmdlist[i].command))) if (!strncmp(command, cmdlist[i].command,MAXCOMMAND))
- {
- if (parameters)
- {
- if (parameters[0])
- {
- items = process_parameters(command_p,parameters);
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
-
- if (user)
- {
- /* activity resets the ping pending timer */
- user->nping = TIME + user->pingmax;
- if ((items) < cmdlist[i].min_params)
- {
- log(DEBUG,"process_command: not enough parameters: %s %s",user->nick,command);
- WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command);
- return;
- }
- if ((!strchr(user->modes,cmdlist[i].flags_needed)) && (cmdlist[i].flags_needed))
- {
- log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
- WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick);
- cmd_found = 1;
- return;
- }
- if ((cmdlist[i].flags_needed) && (!user->HasPermission(command)))
- {
- log(DEBUG,"process_command: permission denied: %s %s",user->nick,command);
- WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command);
- cmd_found = 1;
- return;
- }
- /* if the command isnt USER, PASS, or NICK, and nick is empty,
- * deny command! */
- if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4)))
- {
- if ((!isnick(user->nick)) || (user->registered != 7))
- {
- log(DEBUG,"process_command: not registered: %s %s",user->nick,command);
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
- if ((user->registered == 7) && (!strchr(user->modes,'o')))
- {
- std::stringstream dcmds(Config->DisabledCommands);
- while (!dcmds.eof())
- {
- std::string thiscmd;
- dcmds >> thiscmd;
- if (!strcasecmp(thiscmd.c_str(),command))
- {
- // command is disabled!
- WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command);
- return;
- }
- }
- }
- if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4)))
- {
- if (cmdlist[i].handler_function)
- {
-
- /* ikky /stats counters */
- if (temp)
- {
- cmdlist[i].use_count++;
- cmdlist[i].total_bytes+=strlen(temp);
- }
-
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnPreCommand(command,command_p,items,user));
- if (MOD_RESULT == 1) {
- return;
- }
-
- /* WARNING: nothing may come after the
- * command handler call, as the handler
- * may free the user structure! */
-
- cmdlist[i].handler_function(command_p,items,user);
- }
- return;
- }
- else
- {
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
- cmd_found = 1;
- }
- }
- }
- if ((!cmd_found) && (user))
- {
- stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- }
-}
-
-bool removecommands(const char* source)
-{
- bool go_again = true;
- while (go_again)
- {
- go_again = false;
- for (std::deque<command_t>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
- {
- if (!strcmp(i->source,source))
- {
- log(DEBUG,"removecommands(%s) Removing dependent command: %s",i->source,i->command);
- cmdlist.erase(i);
- go_again = true;
- break;
- }
- }
- }
- return true;
-}
-
-
-void process_buffer(const char* cmdbuf,userrec *user)
-{
- if (!user)
- {
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
- }
- char cmd[MAXBUF];
- if (!cmdbuf)
- {
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
- }
- if (!cmdbuf[0])
- {
- return;
- }
- while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
-
- strlcpy(cmd,cmdbuf,MAXBUF);
- if (!cmd[0])
- {
- return;
- }
- int sl = strlen(cmd)-1;
- if ((cmd[sl] == 13) || (cmd[sl] == 10))
- {
- cmd[sl] = '\0';
- }
- sl = strlen(cmd)-1;
- if ((cmd[sl] == 13) || (cmd[sl] == 10))
- {
- cmd[sl] = '\0';
- }
- sl = strlen(cmd)-1;
- while (cmd[sl] == ' ') // strip trailing spaces
- {
- cmd[sl] = '\0';
- sl = strlen(cmd)-1;
- }
-
- if (!cmd[0])
- {
- return;
- }
- log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
- tidystring(cmd);
- if ((user) && (cmd))
- {
- process_command(user,cmd);
+ snprintf(versiondata,MAXBUF,"%s %s :%s [FLAGS=%lu,%s,%s]",VERSION,Config->ServerName,SYSTEM,(unsigned long)OPTIMISATION,SE->GetName().c_str(),dnsengine);
}
+ return versiondata;
}
char* InspIRCd::ModuleError()
}
+void InspIRCd::MoveTo(std::string modulename,int slot)
+{
+ unsigned int v2 = 256;
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
+ {
+ if (Config->module_names[v] == modulename)
+ {
+ // found an instance, swap it with the item at MODCOUNT
+ v2 = v;
+ break;
+ }
+ }
+ if ((v2 != (unsigned int)slot) && (v2 < 256))
+ {
+ // Swap the module names over
+ Config->module_names[v2] = Config->module_names[slot];
+ Config->module_names[slot] = modulename;
+ // now swap the module factories
+ ircd_module* temp = factory[v2];
+ factory[v2] = factory[slot];
+ factory[slot] = temp;
+ // now swap the module objects
+ Module* temp_module = modules[v2];
+ modules[v2] = modules[slot];
+ modules[slot] = temp_module;
+ // now swap the implement lists (we dont
+ // need to swap the global or recount it)
+ for (int n = 0; n < 255; n++)
+ {
+ char x = Config->implement_lists[v2][n];
+ Config->implement_lists[v2][n] = Config->implement_lists[slot][n];
+ Config->implement_lists[slot][n] = x;
+ }
+ }
+ else
+ {
+ log(DEBUG,"Move of %s to slot failed!",modulename.c_str());
+ }
+}
+
+void InspIRCd::MoveAfter(std::string modulename, std::string after)
+{
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
+ {
+ if (Config->module_names[v] == after)
+ {
+ MoveTo(modulename, v);
+ return;
+ }
+ }
+}
+
+void InspIRCd::MoveBefore(std::string modulename, std::string before)
+{
+ for (unsigned int v = 0; v < Config->module_names.size(); v++)
+ {
+ if (Config->module_names[v] == before)
+ {
+ if (v > 0)
+ {
+ MoveTo(modulename, v-1);
+ }
+ else
+ {
+ MoveTo(modulename, v);
+ }
+ return;
+ }
+ }
+}
+
+void InspIRCd::MoveToFirst(std::string modulename)
+{
+ MoveTo(modulename,0);
+}
+
+void InspIRCd::MoveToLast(std::string modulename)
+{
+ MoveTo(modulename,MODCOUNT);
+}
+
+void InspIRCd::BuildISupport()
+{
+ // the neatest way to construct the initial 005 numeric, considering the number of configure constants to go in it...
+ std::stringstream v;
+ v << "WALLCHOPS WALLVOICES MODES=" << MAXMODES << " CHANTYPES=# PREFIX=(ohv)@%+ MAP MAXCHANNELS=" << MAXCHANS << " MAXBANS=60 VBANLIST NICKLEN=" << NICKMAX-1;
+ v << " CASEMAPPING=rfc1459 STATUSMSG=@%+ CHARSET=ascii TOPICLEN=" << MAXTOPIC << " KICKLEN=" << MAXKICK << " MAXTARGETS=" << Config->MaxTargets << " AWAYLEN=";
+ v << MAXAWAY << " CHANMODES=b,k,l,psmnti FNC NETWORK=" << Config->Network << " MAXPARA=32";
+ Config->data005 = v.str();
+ FOREACH_MOD(I_On005Numeric,On005Numeric(Config->data005));
+}
+
bool InspIRCd::UnloadModule(const char* filename)
{
std::string filename_str = filename;
{
modules[j]->OnCleanup(TYPE_USER,u->second);
}
- FOREACH_MOD OnUnloadModule(modules[j],Config->module_names[j]);
+
+ FOREACH_MOD(I_OnUnloadModule,OnUnloadModule(modules[j],Config->module_names[j]));
+
+ for(int t = 0; t < 255; t++)
+ {
+ Config->global_implementation[t] -= Config->implement_lists[j][t];
+ }
+
+ /* We have to renumber implement_lists after unload because the module numbers change!
+ */
+ for(int j2 = j; j2 < 254; j2++)
+ {
+ for(int t = 0; t < 255; t++)
+ {
+ Config->implement_lists[j2][t] = Config->implement_lists[j2+1][t];
+ }
+ }
+
// found the module
log(DEBUG,"Deleting module...");
erase_module(j);
log(DEBUG,"Erasing module entry...");
erase_factory(j);
log(DEBUG,"Removing dependent commands...");
- removecommands(filename);
+ Parser->RemoveCommands(filename);
log(DEFAULT,"Module %s unloaded",filename);
MODCOUNT--;
+ BuildISupport();
return true;
}
}
{
char modfile[MAXBUF];
#ifdef STATIC_LINK
- snprintf(modfile,MAXBUF,"%s",filename);
+ strlcpy(modfile,filename,MAXBUF);
#else
snprintf(modfile,MAXBUF,"%s/%s",Config->ModPath,filename);
#endif
std::string filename_str = filename;
#ifndef STATIC_LINK
+#ifndef IS_CYGWIN
if (!DirValid(modfile))
{
log(DEFAULT,"Module %s is not within the modules directory.",modfile);
snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
return false;
}
+#endif
#endif
log(DEBUG,"Loading module: %s",modfile);
#ifndef STATIC_LINK
{
log(DEFAULT,"Unable to load %s: %s",modfile,factory[MODCOUNT+1]->LastError());
snprintf(MODERR,MAXBUF,"Loader/Linker error: %s",factory[MODCOUNT+1]->LastError());
- MODCOUNT--;
return false;
}
- if (factory[MODCOUNT+1]->factory)
- {
- Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
- modules[MODCOUNT+1] = m;
- /* save the module and the module's classfactory, if
- * this isnt done, random crashes can occur :/ */
- Config->module_names.push_back(filename);
- }
- else
- {
- log(DEFAULT,"Unable to load %s",modfile);
- snprintf(MODERR,MAXBUF,"Factory function failed!");
+ try
+ {
+ if (factory[MODCOUNT+1]->factory)
+ {
+ Module* m = factory[MODCOUNT+1]->factory->CreateModule(MyServer);
+ modules[MODCOUNT+1] = m;
+ /* save the module and the module's classfactory, if
+ * this isnt done, random crashes can occur :/ */
+ Config->module_names.push_back(filename);
+
+ char* x = &Config->implement_lists[MODCOUNT+1][0];
+ for(int t = 0; t < 255; t++)
+ x[t] = 0;
+
+ modules[MODCOUNT+1]->Implements(x);
+
+ for(int t = 0; t < 255; t++)
+ Config->global_implementation[t] += Config->implement_lists[MODCOUNT+1][t];
+ }
+ else
+ {
+ log(DEFAULT,"Unable to load %s",modfile);
+ snprintf(MODERR,MAXBUF,"Factory function failed!");
+ return false;
+ }
+ }
+ catch (ModuleException& modexcept)
+ {
+ log(DEFAULT,"Unable to load %s: ",modfile,modexcept.GetReason());
+ snprintf(MODERR,MAXBUF,"Factory function threw an exception: %s",modexcept.GetReason());
return false;
- }
+ }
#ifndef STATIC_LINK
}
else
}
#endif
MODCOUNT++;
- FOREACH_MOD OnLoadModule(modules[MODCOUNT],filename_str);
+ FOREACH_MOD(I_OnLoadModule,OnLoadModule(modules[MODCOUNT],filename_str));
+ // now work out which modules, if any, want to move to the back of the queue,
+ // and if they do, move them there.
+ std::vector<std::string> put_to_back;
+ std::vector<std::string> put_to_front;
+ std::map<std::string,std::string> put_before;
+ std::map<std::string,std::string> put_after;
+ for (unsigned int j = 0; j < Config->module_names.size(); j++)
+ {
+ if (modules[j]->Prioritize() == PRIORITY_LAST)
+ {
+ put_to_back.push_back(Config->module_names[j]);
+ }
+ else if (modules[j]->Prioritize() == PRIORITY_FIRST)
+ {
+ put_to_front.push_back(Config->module_names[j]);
+ }
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_BEFORE)
+ {
+ put_before[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
+ }
+ else if ((modules[j]->Prioritize() & 0xFF) == PRIORITY_AFTER)
+ {
+ put_after[Config->module_names[j]] = Config->module_names[modules[j]->Prioritize() >> 8];
+ }
+ }
+ for (unsigned int j = 0; j < put_to_back.size(); j++)
+ {
+ MoveToLast(put_to_back[j]);
+ }
+ for (unsigned int j = 0; j < put_to_front.size(); j++)
+ {
+ MoveToFirst(put_to_front[j]);
+ }
+ for (std::map<std::string,std::string>::iterator j = put_before.begin(); j != put_before.end(); j++)
+ {
+ MoveBefore(j->first,j->second);
+ }
+ for (std::map<std::string,std::string>::iterator j = put_after.begin(); j != put_after.end(); j++)
+ {
+ MoveAfter(j->first,j->second);
+ }
+ BuildISupport();
return true;
}
-int InspIRCd::Run()
+void InspIRCd::DoOneIteration(bool process_module_sockets)
{
- bool expire_run = false;
- std::vector<int> activefds;
- int incomingSockfd;
- int in_port;
- userrec* cu = NULL;
- InspSocket* s = NULL;
- InspSocket* s_del = NULL;
- char* target;
- unsigned int numberactive;
+ int activefds[MAX_DESCRIPTORS];
+ int incomingSockfd;
+ int in_port;
+ userrec* cu = NULL;
+ InspSocket* s = NULL;
+ InspSocket* s_del = NULL;
+ unsigned int numberactive;
sockaddr_in sock_us; // our port number
socklen_t uslen; // length of our port number
+ if (yield_depth > 3)
+ return;
+
+ yield_depth++;
+
+ /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
+ * Once per loop iteration is pleanty.
+ */
+ OLDTIME = TIME;
+ TIME = time(NULL);
+
+ /* Run background module timers every few seconds
+ * (the docs say modules shouldnt rely on accurate
+ * timing using this event, so we dont have to
+ * time this exactly).
+ */
+ if (((TIME % 5) == 0) && (!expire_run))
+ {
+ expire_lines();
+ if (process_module_sockets)
+ {
+ /* Fix by brain - the addition of DoOneIteration means that this
+ * can end up getting called recursively in the following pattern:
+ *
+ * m_spanningtree DoPingChecks
+ * (server pings out and is squit)
+ * (squit causes call to DoOneIteration)
+ * DoOneIteration enters here
+ * calls DoBackground timer
+ * enters m_spanningtree DoPingChecks... see step 1.
+ *
+ * This should do the job and fix the bug.
+ */
+ FOREACH_MOD(I_OnBackgroundTimer,OnBackgroundTimer(TIME));
+ }
+ TickMissedTimers(TIME);
+ expire_run = true;
+ yield_depth--;
+ return;
+ }
+ else if ((TIME % 5) == 1)
+ {
+ expire_run = false;
+ }
+
+ if (iterations++ == 15)
+ {
+ iterations = 0;
+ DoBackgroundUserStuff(TIME);
+ }
+
+ /* Once a second, do the background processing */
+ if (TIME != OLDTIME)
+ {
+ if (TIME < OLDTIME)
+ WriteOpers("*** \002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %d secs.",abs(OLDTIME-TIME));
+ if ((TIME % 3600) == 0)
+ {
+ MaintainWhoWas(TIME);
+ }
+ }
+
+ /* Process timeouts on module sockets each time around
+ * the loop. There shouldnt be many module sockets, at
+ * most, 20 or so, so this won't be much of a performance
+ * hit at all.
+ */
+ if (process_module_sockets)
+ DoSocketTimeouts(TIME);
+
+ TickTimers(TIME);
+
+ /* Call the socket engine to wait on the active
+ * file descriptors. The socket engine has everything's
+ * descriptors in its list... dns, modules, users,
+ * servers... so its nice and easy, just one call.
+ */
+ if (!(numberactive = SE->Wait(activefds)))
+ {
+ yield_depth--;
+ return;
+ }
+
+ /**
+ * Now process each of the fd's. For users, we have a fast
+ * lookup table which can find a user by file descriptor, so
+ * processing them by fd isnt expensive. If we have a lot of
+ * listening ports or module sockets though, things could get
+ * ugly.
+ */
+ for (unsigned int activefd = 0; activefd < numberactive; activefd++)
+ {
+ int socket_type = SE->GetType(activefds[activefd]);
+ switch (socket_type)
+ {
+ case X_ESTAB_CLIENT:
+
+ cu = fd_ref_table[activefds[activefd]];
+ if (cu)
+ ProcessUser(cu);
+
+ break;
+
+ case X_ESTAB_MODULE:
+
+ if (!process_module_sockets)
+ break;
+
+ /* Process module-owned sockets.
+ * Modules are encouraged to inherit their sockets from
+ * InspSocket so we can process them neatly like this.
+ */
+ s = socket_ref[activefds[activefd]];
+
+ if ((s) && (!s->Poll()))
+ {
+ log(DEBUG,"inspircd.cpp: Socket poll returned false, close and bail");
+ SE->DelFd(s->GetFd());
+ socket_ref[activefds[activefd]] = NULL;
+ for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
+ {
+ s_del = (InspSocket*)*a;
+ if ((s_del) && (s_del->GetFd() == activefds[activefd]))
+ {
+ module_sockets.erase(a);
+ break;
+ }
+ }
+ s->Close();
+ delete s;
+ }
+ break;
+
+ case X_ESTAB_DNS:
+ /* When we are using single-threaded dns,
+ * the sockets for dns end up in our mainloop.
+ * When we are using multi-threaded dns,
+ * each thread has its own basic poll() loop
+ * within it, making them 'fire and forget'
+ * and independent of the mainloop.
+ */
+#ifndef THREADED_DNS
+ dns_poll(activefds[activefd]);
+#endif
+ break;
+
+ case X_LISTEN:
+
+ /* It's a listener */
+ uslen = sizeof(sock_us);
+ length = sizeof(client);
+ incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
+
+ if ((incomingSockfd > -1) && (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen)))
+ {
+ in_port = ntohs(sock_us.sin_port);
+ log(DEBUG,"Accepted socket %d",incomingSockfd);
+ /* Years and years ago, we used to resolve here
+ * using gethostbyaddr(). That is sucky and we
+ * don't do that any more...
+ */
+ NonBlocking(incomingSockfd);
+ if (Config->GetIOHook(in_port))
+ {
+ try
+ {
+ Config->GetIOHook(in_port)->OnRawSocketAccept(incomingSockfd, (char*)inet_ntoa(client.sin_addr), in_port);
+ }
+ catch (ModuleException& modexcept)
+ {
+ log(DEBUG,"Module exception cought: %s",modexcept.GetReason());
+ }
+ }
+ stats->statsAccept++;
+ AddClient(incomingSockfd, in_port, false, client.sin_addr);
+ log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
+ }
+ else
+ {
+ log(DEBUG,"Accept failed on fd %lu: %s",(unsigned long)incomingSockfd,strerror(errno));
+ shutdown(incomingSockfd,2);
+ close(incomingSockfd);
+ stats->statsRefused++;
+ }
+ break;
+
+ default:
+ /* Something went wrong if we're in here.
+ * In fact, so wrong, im not quite sure
+ * what we would do, so for now, its going
+ * to safely do bugger all.
+ */
+ SE->DelFd(activefds[activefd]);
+ break;
+ }
+ }
+ yield_depth--;
+}
+
+int InspIRCd::Run()
+{
+ /* Until THIS point, ServerInstance == NULL */
+
+ LoadAllModules(this);
+
+ printf("\nInspIRCd is now running!\n");
+
if (!Config->nofork)
{
- freopen("/dev/null","w",stdout);
- freopen("/dev/null","w",stderr);
+ fclose(stdout);
+ fclose(stderr);
+ fclose(stdin);
}
/* Add the listening sockets used for client inbound connections
* to the socket engine
*/
- for (int count = 0; count < BoundPortCount; count++)
+ for (int count = 0; count < stats->BoundPortCount; count++)
SE->AddFd(openSockfd[count],true,X_LISTEN);
WritePID(Config->PID);
/* main loop, this never returns */
- for (;;)
- {
- /* time() seems to be a pretty expensive syscall, so avoid calling it too much.
- * Once per loop iteration is pleanty.
- */
- OLDTIME = TIME;
- TIME = time(NULL);
-
- /* Run background module timers every few seconds
- * (the docs say modules shouldnt rely on accurate
- * timing using this event, so we dont have to
- * time this exactly).
- */
- if (((TIME % 8) == 0) && (!expire_run))
- {
- expire_lines();
- FOREACH_MOD OnBackgroundTimer(TIME);
- expire_run = true;
- continue;
- }
- if ((TIME % 8) == 1)
- expire_run = false;
-
- /* Once a second, do the background processing */
- if (TIME != OLDTIME)
- while (DoBackgroundUserStuff(TIME));
-
- /* Call the socket engine to wait on the active
- * file descriptors. The socket engine has everything's
- * descriptors in its list... dns, modules, users,
- * servers... so its nice and easy, just one call.
- */
- SE->Wait(activefds);
-
- /**
- * Now process each of the fd's. For users, we have a fast
- * lookup table which can find a user by file descriptor, so
- * processing them by fd isnt expensive. If we have a lot of
- * listening ports or module sockets though, things could get
- * ugly.
- */
- numberactive = activefds.size();
- for (unsigned int activefd = 0; activefd < numberactive; activefd++)
- {
- int socket_type = SE->GetType(activefds[activefd]);
- switch (socket_type)
- {
- case X_ESTAB_CLIENT:
-
- cu = fd_ref_table[activefds[activefd]];
- if (cu)
- ProcessUser(cu);
-
- break;
-
- case X_ESTAB_MODULE:
-
- /* Process module-owned sockets.
- * Modules are encouraged to inherit their sockets from
- * InspSocket so we can process them neatly like this.
- */
- s = socket_ref[activefds[activefd]];
-
- if ((s) && (!s->Poll()))
- {
- log(DEBUG,"Socket poll returned false, close and bail");
- SE->DelFd(s->GetFd());
- for (std::vector<InspSocket*>::iterator a = module_sockets.begin(); a < module_sockets.end(); a++)
- {
- s_del = (InspSocket*)*a;
- if ((s_del) && (s_del->GetFd() == activefds[activefd]))
- {
- module_sockets.erase(a);
- break;
- }
- }
- s->Close();
- delete s;
- }
-
- break;
-
- case X_ESTAB_DNS:
-
- /* When we are using single-threaded dns,
- * the sockets for dns end up in our mainloop.
- * When we are using multi-threaded dns,
- * each thread has its own basic poll() loop
- * within it, making them 'fire and forget'
- * and independent of the mainloop.
- */
-#ifndef THREADED_DNS
- dns_poll(activefds[activefd]);
-#endif
- break;
-
- case X_LISTEN:
-
- /* It's a listener */
- uslen = sizeof(sock_us);
- length = sizeof(client);
- incomingSockfd = accept (activefds[activefd],(struct sockaddr*)&client,&length);
- if (!getsockname(incomingSockfd,(sockaddr*)&sock_us,&uslen))
- {
- in_port = ntohs(sock_us.sin_port);
- log(DEBUG,"Accepted socket %d",incomingSockfd);
- target = (char*)inet_ntoa(client.sin_addr);
- /* Years and years ago, we used to resolve here
- * using gethostbyaddr(). That is sucky and we
- * don't do that any more...
- */
- if (incomingSockfd >= 0)
- {
- FOREACH_MOD OnRawSocketAccept(incomingSockfd, target, in_port);
- stats->statsAccept++;
- AddClient(incomingSockfd, target, in_port, false, target);
- log(DEBUG,"Adding client on port %lu fd=%lu",(unsigned long)in_port,(unsigned long)incomingSockfd);
- }
- else
- {
- WriteOpers("*** WARNING: accept() failed on port %lu (%s)",(unsigned long)in_port,target);
- log(DEBUG,"accept failed: %lu",(unsigned long)in_port);
- stats->statsRefused++;
- }
- }
- else
- {
- log(DEBUG,"Couldnt look up the port number for fd %lu (OS BROKEN?!)",incomingSockfd);
- shutdown(incomingSockfd,2);
- close(incomingSockfd);
- }
- break;
-
- default:
- /* Something went wrong if we're in here.
- * In fact, so wrong, im not quite sure
- * what we would do, so for now, its going
- * to safely do bugger all.
- */
- break;
- }
- }
+ expire_run = false;
+ yield_depth = 0;
+ iterations = 0;
+ while (true)
+ {
+ DoOneIteration(true);
}
/* This is never reached -- we hope! */
return 0;