#include <errno.h>
#include <deque>
#include <errno.h>
+#include <unistd.h>
+#include <sched.h>
#include "connection.h"
#include "users.h"
#include "servers.h"
int DieDelay = 5;
time_t startup_time = time(NULL);
int NetBufferSize = 10240; // NetBufferSize used as the buffer size for all read() ops
-time_t nb_start = time(NULL);
+time_t nb_start = 0;
extern vector<Module*> modules;
std::vector<std::string> module_names;
typedef std::deque<command_t> command_table;
serverrec* me[32];
-serverrec* servers[255];
FILE *log_file;
bool IsDenied(userrec *user);
void AddWhoWas(userrec* u);
+std::vector<long> auth_cookies;
std::stringstream config_f(stringstream::in | stringstream::out);
void safedelete(userrec *p)
}
+
+std::string GetServerDescription(char* servername)
+{
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),servername))
+ {
+ return me[j]->connectors[k].GetDescription();
+ }
+ }
+ }
+ return "";
+ }
+}
+
+
/* return 0 or 1 depending if users u and u2 share one or more common channels
* (used by QUIT, NICK etc which arent channel specific notices) */
// returns true if user 'u' shares any common channels with any users on server 'servername'
-bool CommonOnThisServer(userrec* u,char* servername)
+bool CommonOnThisServer(userrec* u,const char* servername)
{
log(DEBUG,"ChanAnyOnThisServer");
for (user_hash::iterator i = clientlist.begin(); i != clientlist.end(); i++)
{
if (!strcasecmp(i->second->server,servername))
{
+ log(DEBUG,"%s is common to %s sharing with %s",i->second->nick,servername,u->nick);
return true;
}
}
}
+void NetSendToCommon(userrec* u, char* s)
+{
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"%s",s);
+
+ log(DEBUG,"NetSendToCommon: '%s' '%s'",u->nick,s);
+
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (CommonOnThisServer(u,me[j]->connectors[k].GetServerName().c_str()))
+ {
+ me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
+ }
+ }
+ }
+ }
+}
+
+
+void NetSendToAll(char* s)
+{
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"%s",s);
+
+ log(DEBUG,"NetSendToAll: '%s'",s);
+
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
+ }
+ }
+ }
+}
+
+void NetSendToAllAlive(char* s)
+{
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"%s",s);
+
+ log(DEBUG,"NetSendToAllAlive: '%s'",s);
+
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (me[j]->connectors[k].GetState() != STATE_DISCONNECTED)
+ {
+ me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
+ }
+ else
+ {
+ log(DEBUG,"%s is dead, not sending to it.",me[j]->connectors[k].GetServerName().c_str());
+ }
+ }
+ }
+ }
+}
+
+
+void NetSendToOne(char* target,char* s)
+{
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"%s",s);
+
+ log(DEBUG,"NetSendToOne: '%s' '%s'",target,s);
+
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
+ {
+ me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
+ }
+ }
+ }
+ }
+}
+
+void NetSendToAllExcept(const char* target,char* s)
+{
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"%s",s);
+
+ log(DEBUG,"NetSendToAllExcept: '%s' '%s'",target,s);
+
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),target))
+ {
+ me[j]->SendPacket(buffer,me[j]->connectors[k].GetServerName().c_str());
+ }
+ }
+ }
+ }
+}
+
bool hasumode(userrec* user, char mode)
{
void ChangeName(userrec* user, const char* gecos)
{
strncpy(user->fullname,gecos,MAXBUF);
+
+ // TODO: replace these with functions:
+ // NetSendToAll - to all
+ // NetSendToCommon - to all that hold users sharing a common channel with another user
+ // NetSendToOne - to one server
+ // NetSendToAllExcept - send to all but one
+ // all by servername
+
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"a %s :%s",user->nick,gecos);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent a token");
- }
- }
- }
+ NetSendToAll(buffer);
}
void ChangeDisplayedHost(userrec* user, const char* host)
strncpy(user->dhost,host,160);
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"b %s :%s",user->nick,host);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent b token");
- }
- }
- }
+ NetSendToAll(buffer);
}
void WriteWallOps(userrec *source, bool local_only, char* text, ...)
{
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"@ %s :%s",source->nick,textbuffer);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent @ token");
- }
- }
- }
+ NetSendToAll(buffer);
}
}
// use the stamdard J token with no privilages.
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"J %s :%s",user->nick,Ptr->name);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent J token");
- }
- }
+ NetSendToAll(buffer);
}
log(DEBUG,"Sent JOIN to client");
{
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"L %s %s :%s",user->nick,Ptr->name,reason);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent L token (with reason)");
- }
- }
+ NetSendToAll(buffer);
}
{
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"L %s %s :",user->nick,Ptr->name);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent L token (no reason)");
- }
- }
+ NetSendToAll(buffer);
}
WriteChannel(Ptr,user,"PART :%s",Ptr->name);
// M token for a usermode must go to all servers
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent M token");
- }
- }
- }
+ NetSendToAll(buffer);
}
}
// M token for a usermode must go to all servers
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent m token");
- }
- }
- }
+ NetSendToAll(buffer);
}
}
}
}
else
{
- log(DEBUG,"*** BUG *** Non-module umode passed to process_module_umode!");
if (faked)
{
delete s2;
// M token for a usermode must go to all servers
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent m token");
- }
- }
- }
+ NetSendToAll(buffer);
if (strlen(dmodes)>MAXMODES)
{
// M token for a usermode must go to all servers
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent m token");
- }
- }
- }
+ NetSendToAll(buffer);
if (strlen(dmodes)>MAXMODES)
{
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"k %s %s %s :%s",user->nick,u->nick,Ptr->name,reason);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent k token");
- }
- }
-
+ NetSendToAll(buffer);
}
// Q token must go to ALL servers!!!
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"Q %s :%s",user->nick,reason);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent Q token");
- }
- }
- }
+ NetSendToAll(buffer);
}
/* push the socket on a stack of sockets due to be closed at the next opportunity
WriteCommonExcept(u,"QUIT :%s",killreason);
// K token must go to ALL servers!!!
char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent K token");
- }
- }
- }
+ snprintf(buffer,MAXBUF,"K %s %s :%s",user->nick,u->nick,killreason);
+ NetSendToAll(buffer);
+
user_hash::iterator iter = clientlist.find(u->nick);
if (iter != clientlist.end())
{
// i token must go to ALL servers!!!
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"i %s %s %s",u->nick,user->nick,c->name);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent i token");
- }
- }
- }
+ NetSendToAll(buffer);
}
void handle_topic(char **parameters, int pcnt, userrec *user)
// t token must go to ALL servers!!!
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"t %s %s :%s",user->nick,Ptr->name,topic);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent t token");
- }
- }
- }
+ NetSendToAll(buffer);
}
else
{
}
-int main (int argc, char *argv[])
+int main(int argc, char *argv[])
{
Start();
+ srand(time(NULL));
log(DEBUG,"*** InspIRCd starting up!");
if (!FileExists(CONFIG_FILE))
{
// if any users of this channel are on remote servers, broadcast the packet
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,chan->name,parameters[1]);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (ChanAnyOnThisServer(chan,servers[j]->name))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- }
- }
- }
+ NetSendToCommon(user,buffer);
}
else
{
}
else
{
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (!strcasecmp(servers[j]->name,dest->server))
- {
- // direct write, same server
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- }
- }
- }
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"P %s %s :%s",user->nick,dest->nick,parameters[1]);
+ NetSendToOne(dest->server,buffer);
}
}
else
// if any users of this channel are on remote servers, broadcast the packet
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,chan->name,parameters[1]);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (ChanAnyOnThisServer(chan,servers[j]->name))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- }
- }
- }
+ NetSendToCommon(user,buffer);
}
else
{
}
else
{
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (!strcasecmp(servers[j]->name,dest->server))
- {
- // direct write, same server
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- }
- }
- }
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"V %s %s :%s",user->nick,dest->nick,parameters[1]);
+ NetSendToOne(dest->server,buffer);
}
}
else
{
WriteServ(user->fd,"319 %s %s :%s",user->nick, dest->nick, chlist(dest));
}
- WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, ServerDesc);
+ WriteServ(user->fd,"312 %s %s %s :%s",user->nick, dest->nick, dest->server, GetServerDescription(dest->server));
if (strcmp(dest->awaymsg,""))
{
WriteServ(user->fd,"301 %s %s :%s",user->nick, dest->nick, dest->awaymsg);
void send_network_quit(const char* nick, const char* reason)
{
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent Q token");
- }
- }
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"Q %s :%s",nick,reason);
+ NetSendToAll(buffer);
}
void handle_quit(char **parameters, int pcnt, userrec *user)
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"Q %s :%s%s",user->nick,PrefixQuit,parameters[0]);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent Q token");
- }
- }
+ NetSendToAll(buffer);
}
else
{
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"Q %s :Client exited",user->nick);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent Q token");
- }
- }
+ NetSendToAll(buffer);
}
FOREACH_MOD OnUserQuit(user);
AddWhoWas(user);
long count_servs(void)
{
int c = 0;
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- c++;
- }
+ //for (int j = 0; j < 255; j++)
+ //{
+ // if (servers[j] != NULL)
+ // c++;
+ //}
return c;
}
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"N %d %s %s %s %s +%s %s :%s",user->age,user->nick,user->host,user->dhost,user->ident,user->modes,ServerName,user->fullname);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent N token");
- }
- }
- }
-
+ NetSendToAll(buffer);
}
void handle_version(char **parameters, int pcnt, userrec *user)
if (me[defaultRoute])
{
+ me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName,me[defaultRoute]->port);
+ return;
+ }
+ else
+ {
+ WriteServ(user->fd,"NOTICE %s :No default route is defined for server connections on this server. You must define a server connection to be default route so that sockets can be bound to it.",user->nick);
+ }
+}
- // at this point parameters[0] is an ip in a string.
- // TODO: Look this up from the <link> blocks instead!
- for (int j = 0; j < 255; j++) {
- if (servers[j] == NULL) {
- servers[j] = new serverrec;
- //servers[j]->initiator = true;
- strcpy(servers[j]->internal_addr,Link_IPAddr);
- strcpy(servers[j]->name,Link_ServerName);
- log(DEBUG,"Allocated new serverrec");
- me[defaultRoute]->BeginLink(Link_IPAddr,LinkPort,Link_Pass,Link_ServerName);
- return;
+void DoSplitEveryone()
+{
+ bool go_again = true;
+ while (go_again)
+ {
+ go_again = false;
+ for (int i = 0; i < 32; i++)
+ {
+ if (me[i] != NULL)
+ {
+ for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
+ {
+ if (strcasecmp(j->GetServerName().c_str(),ServerName))
+ {
+ j->routes.clear();
+ j->CloseConnection();
+ me[i]->connectors.erase(j);
+ go_again = true;
+ break;
+ }
+ }
}
}
- WriteServ(user->fd,"NOTICE %s :*** Failed to create server record for address %s!",user->nick,Link_IPAddr);
}
- else
+ log(DEBUG,"Removed server. Will remove clients...");
+ // iterate through the userlist and remove all users on this server.
+ // because we're dealing with a mesh, we dont have to deal with anything
+ // "down-route" from this server (nice huh)
+ go_again = true;
+ char reason[MAXBUF];
+ while (go_again)
{
- WriteServ(user->fd,"NOTICE %s :No default route is defined for server connections on this server. You must define a server connection to be default route so that sockets can be bound to it.",user->nick);
+ go_again = false;
+ for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
+ {
+ if (strcasecmp(u->second->server,ServerName))
+ {
+ snprintf(reason,MAXBUF,"%s %s",ServerName,u->second->server);
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
}
}
+
+
void handle_squit(char **parameters, int pcnt, userrec *user)
{
// send out an squit across the mesh and then clear the server list (for local squit)
+ if (!pcnt)
+ {
+ WriteOpers("SQUIT command issued by %s",user->nick);
+ char buffer[MAXBUF];
+ snprintf(buffer,MAXBUF,"& %s",ServerName);
+ NetSendToAll(buffer);
+ DoSplitEveryone();
+ }
+ else
+ {
+ WriteServ(user->fd,"NOTICE :*** Remote SQUIT not supported yet.");
+ }
}
-char islast(serverrec* s)
+char islast(const char* s)
{
char c = '`';
- for (int j = 0; j < 255; j++)
+ for (int j = 0; j < 32; j++)
{
- if (servers[j] != NULL)
- {
- c = '|';
- }
- if (servers[j] == s)
- {
- c = '`';
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
+ {
+ c = '|';
+ }
+ if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),s))
+ {
+ c = '`';
+ }
+ }
}
}
return c;
}
-long map_count(serverrec* s)
+long map_count(const char* s)
{
int c = 0;
for (user_hash::const_iterator i = clientlist.begin(); i != clientlist.end(); i++)
{
- if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s->name))) c++;
+ if ((i->second->fd) && (isnick(i->second->nick)) && (!strcasecmp(i->second->server,s))) c++;
}
return c;
}
void handle_links(char **parameters, int pcnt, userrec *user)
{
WriteServ(user->fd,"364 %s %s %s :0 %s",user->nick,ServerName,ServerName,ServerDesc);
- for (int j = 0; j < 255; j++)
+ for (int j = 0; j < 32; j++)
{
- if (servers[j] != NULL)
+ if (me[j] != NULL)
{
- WriteServ(user->fd,"364 %s %s %s :1 %s",user->nick,servers[j]->name,ServerName,servers[j]->description);
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ WriteServ(user->fd,"364 %s %s %s :1 %s",user->nick,me[j]->connectors[k].GetServerName().c_str(),ServerName,me[j]->connectors[k].GetDescription().c_str());
+ }
}
}
WriteServ(user->fd,"365 %s * :End of /LINKS list.",user->nick);
while (strlen(line) < 50)
strcat(line," ");
WriteServ(user->fd,"%s%d (%.2f%%)",line,local_count(),(float)(((float)local_count()/(float)usercnt())*100));
- for (int j = 0; j < 255; j++)
+ for (int j = 0; j < 32; j++)
{
- if (servers[j] != NULL)
+ if (me[j] != NULL)
{
- snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(servers[j]),servers[j]->name);
- while (strlen(line) < 50)
- strcat(line," ");
- WriteServ(user->fd,"%s%d (%.2f%%)",line,map_count(servers[j]),(float)(((float)map_count(servers[j])/(float)usercnt())*100));
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ snprintf(line,MAXBUF,"006 %s :%c-%s",user->nick,islast(me[j]->connectors[k].GetServerName().c_str()),me[j]->connectors[k].GetServerName().c_str());
+ while (strlen(line) < 50)
+ strcat(line," ");
+ WriteServ(user->fd,"%s%d (%.2f%%)",line,map_count(me[j]->connectors[k].GetServerName().c_str()),(float)(((float)map_count(me[j]->connectors[k].GetServerName().c_str())/(float)usercnt())*100));
+ }
}
}
WriteServ(user->fd,"007 %s :End of /MAP",user->nick);
{
/* found this oper's opertype */
ConfValue("type","host",j,Hostname,&config_f);
- strncpy(user->dhost,Hostname,256);
+ ChangeDisplayedHost(user,Hostname);
}
}
if (!strchr(user->modes,'o'))
// Q token must go to ALL servers!!!
char buffer[MAXBUF];
snprintf(buffer,MAXBUF,"n %s %s",user->nick,parameters[0]);
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
- {
- if (strcmp(servers[j]->name,ServerName))
- {
- me[defaultRoute]->SendPacket(buffer,servers[j]->name);
- log(DEBUG,"Sent n token");
- }
- }
- }
+ NetSendToAll(buffer);
}
{
if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-'))
{
- if (strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
+ if (!strchr("@!\"$%^&*(){}[]_-=+;:'#~,.<>/?\\|`",command[x]))
{
kill_link(user,"Protocol violation (3)");
return;
createcommand("TRACE",handle_trace,'o',0);
createcommand("WHOWAS",handle_whowas,0,1);
createcommand("CONNECT",handle_connect,'o',1);
- createcommand("SQUIT",handle_squit,'o',1);
+ createcommand("SQUIT",handle_squit,'o',0);
createcommand("MODULES",handle_modules,'o',0);
createcommand("LINKS",handle_links,0,0);
createcommand("MAP",handle_map,0,0);
{
// nick collision
WriteOpers("Nickname collision: %s@%s != %s@%s",nick,server,iter->second->nick,iter->second->server);
- if (TS >= iter->second->age)
- {
- char str[MAXBUF];
- snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
- WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
- // client on remote server is older than the local user, kill the local user
- kill_link(iter->second,str);
- }
+ char str[MAXBUF];
+ snprintf(str,MAXBUF,"Killed (Nick Collision (%s@%s < %s@%s))",nick,server,iter->second->nick,iter->second->server);
+ WriteServ(iter->second->fd, "KILL %s :%s",iter->second->nick,str);
+ kill_link(iter->second,str);
}
clientlist[nick] = new userrec();
// remote users have an fd of -1. This is so that our Write abstraction
strncpy(clientlist[nick]->host, host,160);
strncpy(clientlist[nick]->dhost, dhost,160);
strncpy(clientlist[nick]->server, server,256);
- strncpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for '~'
+ strncpy(clientlist[nick]->ident, ident,10); // +1 char to compensate for tilde
strncpy(clientlist[nick]->fullname, gecos,128);
clientlist[nick]->signon = TS;
clientlist[nick]->nping = 0; // this is ignored for a remote user anyway.
strncpy(user->dhost,host,160);
}
+void handle_plus(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
+{
+ // %s %s %d %d
+ // + test3.chatspike.net 7010 -2016508415
+ char* servername = strtok(params," ");
+ char* ipaddr = strtok(NULL," ");
+ char* ipport = strtok(NULL," ");
+ char* cookie = strtok(NULL," ");
+ log(DEBUG,"*** Connecting back to %s:%d",ipaddr,atoi(ipport));
+
+
+ bool conn_already = false;
+ for (int i = 0; i < 32; i++)
+ {
+ if (me[i] != NULL)
+ {
+ for (int j = 0; j < me[i]->connectors.size(); j++)
+ {
+ if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),servername))
+ {
+ if (me[i]->connectors[j].GetServerPort() == atoi(ipport))
+ {
+ log(DEBUG,"Already got a connection to %s:%d, ignoring +",ipaddr,atoi(ipport));
+ conn_already = true;
+ }
+ }
+ }
+ }
+ }
+ if (!conn_already)
+ me[defaultRoute]->MeshCookie(ipaddr,atoi(ipport),atoi(cookie),servername);
+}
+
+void handle_R(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
+{
+ char* server = strtok(params," ");
+ char* data = strtok(NULL,"\r\n");
+ log(DEBUG,"Forwarded packet '%s' to '%s'",data,server);
+ NetSendToOne(server,data);
+}
void handle_J(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
{
}
}
-void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
+void NetSendMyRoutingTable()
+{
+ // send out a line saying what is reachable to us.
+ // E.g. if A is linked to B C and D, send out:
+ // $ A B C D
+ // if its only linked to B and D send out:
+ // $ A B D
+ // if it has no links, dont even send out the line at all.
+ char buffer[MAXBUF];
+ sprintf(buffer,"$ %s",ServerName);
+ bool sendit = false;
+ for (int i = 0; i < 32; i++)
+ {
+ if (me[i] != NULL)
+ {
+ for (int j = 0; j < me[i]->connectors.size(); j++)
+ {
+ if (me[i]->connectors[j].GetState() != STATE_DISCONNECTED)
+ {
+ strncat(buffer," ",MAXBUF);
+ strncat(buffer,me[i]->connectors[j].GetServerName().c_str(),MAXBUF);
+ sendit = true;
+ }
+ }
+ }
+ }
+ if (sendit)
+ NetSendToAll(buffer);
+}
+
+void handle_dollar(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
+{
+ log(DEBUG,"Storing routing table...");
+ char* sourceserver = strtok(params," ");
+ char* server = strtok(NULL," ");
+ for (int i = 0; i < 32; i++)
+ {
+ if (me[i] != NULL)
+ {
+ for (int j = 0; j < me[i]->connectors.size(); j++)
+ {
+ if (!strcasecmp(me[i]->connectors[j].GetServerName().c_str(),sourceserver))
+ {
+ me[i]->connectors[j].routes.clear();
+ log(DEBUG,"Found entry for source server.");
+ while (server)
+ {
+ // store each route
+ me[i]->connectors[j].routes.push_back(server);
+ log(DEBUG,"*** Stored route: %s -> %s -> %s",ServerName,sourceserver,server);
+ server = strtok(NULL," ");
+ }
+ return;
+ }
+ }
+ }
+ }
+ log(DEBUG,"Warning! routing table received from nonexistent server!");
+}
+
+
+void DoSplit(const char* params)
+{
+ bool go_again = true;
+ while (go_again)
+ {
+ go_again = false;
+ for (int i = 0; i < 32; i++)
+ {
+ if (me[i] != NULL)
+ {
+ for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
+ {
+ if (!strcasecmp(j->GetServerName().c_str(),params))
+ {
+ j->routes.clear();
+ j->CloseConnection();
+ me[i]->connectors.erase(j);
+ go_again = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+ log(DEBUG,"Removed server. Will remove clients...");
+ // iterate through the userlist and remove all users on this server.
+ // because we're dealing with a mesh, we dont have to deal with anything
+ // "down-route" from this server (nice huh)
+ go_again = true;
+ char reason[MAXBUF];
+ snprintf(reason,MAXBUF,"%s %s",ServerName,params);
+ while (go_again)
+ {
+ go_again = false;
+ for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
+ {
+ if (!strcasecmp(u->second->server,params))
+ {
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
+ }
+}
+
+void handle_amp(char token,char* params,serverrec* source,serverrec* reply, char* udp_host)
{
+ log(DEBUG,"Netsplit! %s split from mesh, removing!",params);
+ bool go_again = true;
+ while (go_again)
+ {
+ go_again = false;
+ for (int i = 0; i < 32; i++)
+ {
+ if (me[i] != NULL)
+ {
+ for (vector<ircd_connector>::iterator j = me[i]->connectors.begin(); j != me[i]->connectors.end(); j++)
+ {
+ if (!strcasecmp(j->GetServerName().c_str(),params))
+ {
+ j->routes.clear();
+ j->CloseConnection();
+ me[i]->connectors.erase(j);
+ go_again = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+ log(DEBUG,"Removed server. Will remove clients...");
+ // iterate through the userlist and remove all users on this server.
+ // because we're dealing with a mesh, we dont have to deal with anything
+ // "down-route" from this server (nice huh)
+ go_again = true;
+ char reason[MAXBUF];
+ snprintf(reason,MAXBUF,"%s %s",ServerName,params);
+ while (go_again)
+ {
+ go_again = false;
+ for (user_hash::const_iterator u = clientlist.begin(); u != clientlist.end(); u++)
+ {
+ if (!strcasecmp(u->second->server,params))
+ {
+ kill_link(u->second,reason);
+ go_again = true;
+ break;
+ }
+ }
+ }
+}
+
+long authcookie;
+
+
+void process_restricted_commands(char token,char* params,serverrec* source,serverrec* reply, char* udp_host,char* ipaddr,int port)
+{
+ char buffer[MAXBUF];
+
switch(token)
{
// Y <TS>
// start netburst
case 'Y':
nb_start = time(NULL);
- WriteOpers("Server %s is starting netburst.",source->name);
+ WriteOpers("Server %s is starting netburst.",udp_host);
+ // now broadcast this new servers address out to all servers that are linked to us,
+ // except the newcomer. They'll all attempt to connect back to it.
+ authcookie = rand()*rand();
+ snprintf(buffer,MAXBUF,"~ %d",authcookie);
+ NetSendToAll(buffer);
+ break;
+ // ~
+ // Store authcookie
+ // once stored, this authcookie permits other servers to log in
+ // without user or password, using it.
+ case '~':
+ auth_cookies.push_back(atoi(params));
+ log(DEBUG,"*** Stored auth cookie, will permit servers with auth-cookie %d",atoi(params));
+ break;
+ // connect back to a server using an authcookie
+ case '+':
+ handle_plus(token,params,source,reply,udp_host);
+ break;
+ // routing table
+ case '$':
+ handle_dollar(token,params,source,reply,udp_host);
+ break;
+ // node unreachable - we cant route to a server, sooooo we slit it off.
+ // servers can generate these for themselves for an squit.
+ case '&':
+ handle_amp(token,params,source,reply,udp_host);
+ break;
+ // R <server> <data>
+ // redirect token, send all of <data> along to the given
+ // server as this server has been found to still have a route to it
+ case 'R':
+ handle_R(token,params,source,reply,udp_host);
break;
// ?
// ping
case 'F':
WriteOpers("Server %s has completed netburst. (%d secs)",udp_host,time(NULL)-nb_start);
handle_F(token,params,source,reply,udp_host);
+ nb_start = 0;
+ // tell all the other servers to use this authcookie to connect back again
+ // got '+ test3.chatspike.net 7010 -2016508415' from test.chatspike.net
+ snprintf(buffer,MAXBUF,"+ %s %s %d %d",udp_host,ipaddr,port,authcookie);
+ NetSendToAllExcept(udp_host,buffer);
break;
+ // X <reserved>
+ // Send netburst now
case 'X':
WriteOpers("Sending my netburst to %s",udp_host);
DoSync(source,udp_host);
WriteOpers("Send of netburst to %s completed",udp_host);
-
+ NetSendMyRoutingTable();
break;
// anything else
default:
char* params = udp_msg + 2;
char finalparam[1024];
strcpy(finalparam," :xxxx");
- if (strstr(params," :")) {
- strncpy(finalparam,strstr(params," :"),1024);
+ if (strstr(udp_msg," :")) {
+ strncpy(finalparam,strstr(udp_msg," :"),1024);
}
+ if (token == '-') {
+ char* cookie = strtok(params," ");
+ char* servername = strtok(NULL," ");
+ char* serverdesc = finalparam+2;
+
+ WriteOpers("AuthCookie CONNECT from %s (%s)",servername,udp_host);
+
+ for (int u = 0; u < auth_cookies.size(); u++)
+ {
+ if (auth_cookies[u] == atoi(cookie))
+ {
+ WriteOpers("Allowed cookie from %s, is now part of the mesh",servername);
+
+
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
+ {
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
+ {
+ me[j]->connectors[k].SetServerName(servername);
+ me[j]->connectors[k].SetDescription(serverdesc);
+ me[j]->connectors[k].SetState(STATE_CONNECTED);
+ NetSendMyRoutingTable();
+ return;
+ }
+ }
+ }
+ WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right now! Possible intrusion attempt!",udp_host);
+ return;
+ }
+
+
+ return;
+ }
+ }
+ // bad cookie, bad bad! go sit in the corner!
+ WriteOpers("Bad cookie from %s!",servername);
+ return;
+ }
+ else
if (token == 'S') {
- // S test.chatspike.net password :ChatSpike InspIRCd test server
+ // S test.chatspike.net password portn :ChatSpike InspIRCd test server
char* servername = strtok(params," ");
char* password = strtok(NULL," ");
+ char* myport = strtok(NULL," ");
char* serverdesc = finalparam+2;
- WriteOpers("CONNECT from %s (%s)",servername,udp_host);
+ WriteOpers("CONNECT from %s (%s) (their port: %d)",servername,udp_host,atoi(myport));
for (int j = 0; j < serv->connectors.size(); j++)
{
if (!strcasecmp(serv->connectors[j].GetServerName().c_str(),udp_host))
{
serv->connectors[j].SetServerName(servername);
+ serv->connectors[j].SetDescription(serverdesc);
+ serv->connectors[j].SetServerPort(atoi(myport));
}
}
// send a 'diminutive' server message back...
snprintf(response,10240,"s %s %s :%s",ServerName,Link_SendPass,ServerDesc);
serv->SendPacket(response,servername);
+
+ for (int t = 0; t < serv->connectors.size(); t++)
+ {
+ if (!strcasecmp(serv->connectors[t].GetServerName().c_str(),servername))
+ {
+ serv->connectors[t].SetState(STATE_CONNECTED);
+ }
+ }
+
return;
}
}
// to an 'S' command. If we didn't recently send an 'S' to this server, theyre trying to spoof
// a connect, so put out an oper alert!
-
-
-
// for now, just accept all, we'll fix that later.
WriteOpers("%s accepted our link credentials ",servername);
// matching link at this end too, we're all done!
// at this point we must begin key exchange and insert this
// server into our 'active' table.
- for (int j = 0; j < 255; j++)
- {
- if (servers[j] != NULL)
+ for (int j = 0; j < 32; j++)
+ {
+ if (me[j] != NULL)
{
- if (!strcasecmp(servers[j]->name,udp_host))
- {
- strcpy(servers[j]->description,serverdesc);
- DoSync(serv,udp_host);
- char buffer[MAXBUF];
- sprintf(buffer,"X 0");
- serv->SendPacket(buffer,udp_host);
- return;
+ for (int k = 0; k < me[j]->connectors.size(); k++)
+ {
+ if (!strcasecmp(me[j]->connectors[k].GetServerName().c_str(),udp_host))
+ {
+ char buffer[MAXBUF];
+ me[j]->connectors[k].SetDescription(serverdesc);
+ me[j]->connectors[k].SetState(STATE_CONNECTED);
+ sprintf(buffer,"X 0");
+ serv->SendPacket(buffer,udp_host);
+ DoSync(me[j],udp_host);
+ NetSendMyRoutingTable();
+ return;
+ }
}
}
WriteOpers("\2WARNING!\2 %s sent us an authentication packet but we are not authenticating with this server right noe! Possible intrusion attempt!",udp_host);
char* error_message = finalparam+2;
WriteOpers("ERROR from %s: %s",udp_host,error_message);
// remove this server from any lists
- for (int j = 0; j < 255; j++) {
- if (servers[j] != NULL) {
- if (!strcasecmp(servers[j]->name,udp_host)) {
- delete servers[j];
- return;
- }
- }
- }
return;
}
else {
serverrec* source_server = NULL;
- for (int j = 0; j < 255; j++)
+ for (int j = 0; j < 32; j++)
{
- if (servers[j] != NULL)
+ if (me[j] != NULL)
{
- for (int x = 0; x < servers[j]->connectors.size(); x++)
+ for (int x = 0; x < me[j]->connectors.size(); x++)
{
- if (servers[j]->connectors[x].GetServerName() == std::string(udp_host))
+ log(DEBUG,"Servers are: '%s' '%s'",udp_host,me[j]->connectors[x].GetServerName().c_str());
+ if (!strcasecmp(me[j]->connectors[x].GetServerName().c_str(),udp_host))
{
- // found a valid ircd_connector.
- // TODO: Fix this so it only lets servers in that are in the
- // STATE_CONNECTED state!!!
- process_restricted_commands(token,params,servers[j],serv,udp_host);
- return;
+ if (me[j]->connectors[x].GetState() == STATE_CONNECTED)
+ {
+ // found a valid ircd_connector.
+ process_restricted_commands(token,params,me[j],serv,udp_host,me[j]->connectors[x].GetServerIP(),me[j]->connectors[x].GetServerPort());
+ return;
+ }
}
}
}
/* main loop, this never returns */
for (;;)
{
+#ifdef _POSIX_PRIORITY_SCHEDULING
+ sched_yield();
+#endif
fd_set sfd;
timeval tval;
// *FIX* Instead of closing sockets in kill_link when they receive the ERROR :blah line, we should queue
// them in a list, then reap the list every second or so.
- if (reap_counter>5000)
+ if (reap_counter>300)
{
if (fd_reap.size() > 0)
{
fd_reap.clear();
reap_counter=0;
}
+ reap_counter++;
fd_set serverfds;
FD_ZERO(&serverfds);
{
if (FD_ISSET (me[x]->fd, &serverfds))
{
- char remotehost[MAXBUF];
+ char remotehost[MAXBUF],resolved[MAXBUF];
+ length = sizeof (client);
incomingSockfd = accept (me[x]->fd, (sockaddr *) &client, &length);
- strncpy (remotehost,(char *) inet_ntoa (client.sin_addr),MAXBUF);
+ strncpy(remotehost,(char *)inet_ntoa(client.sin_addr),MAXBUF);
+ if(CleanAndResolve(resolved, remotehost) != TRUE)
+ {
+ strncpy(resolved,remotehost,MAXBUF);
+ }
// add to this connections ircd_connector vector
- me[x]->AddIncoming(incomingSockfd,remotehost);
+ // *FIX* - we need the LOCAL port not the remote port in &client!
+ me[x]->AddIncoming(incomingSockfd,resolved,me[x]->port);
}
}
}
- for (int x = 0; x != UDPportCount; x++)
+ for (int x = 0; x < UDPportCount; x++)
{
std::deque<std::string> msgs;
msgs.clear();
char udp_msg[MAXBUF];
strncpy(udp_msg,msgs[ctr].c_str(),MAXBUF);
if (strlen(udp_msg)<1)
- {
+ {
log(DEBUG,"Invalid string from %s [route%d]",udp_host,x);
break;
}
+ // during a netburst, send all data to all other linked servers
+ if ((nb_start>0) && (udp_msg[0] != 'Y') && (udp_msg[0] != 'X') && (udp_msg[0] != 'F'))
+ {
+ NetSendToAllExcept(udp_host,udp_msg);
+ }
FOREACH_MOD OnPacketReceive(udp_msg);
handle_link_packet(udp_msg, udp_host, me[x]);
}
//if (selectResult2 > 0)
for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++)
{
+
+#ifdef _POSIX_PRIORITY_SCHEDULING
+ sched_yield();
+#endif
+
result = EAGAIN;
if ((count2a->second->fd != -1) && (FD_ISSET (count2a->second->fd, &sfd)))
{
if (result)
{
- log(DEBUG,"Read %d characters from socket",result);
+ if (result > 0)
+ log(DEBUG,"Read %d characters from socket",result);
userrec* current = count2a->second;
int currfd = current->fd;
char* l = strtok(data,"\n");
FD_SET (openSockfd[count], &selectFds);
}
- reap_counter++;
tv.tv_usec = 1;
selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv);
{
if (FD_ISSET (openSockfd[count], &selectFds))
{
+ length = sizeof (client);
incomingSockfd = accept (openSockfd[count], (struct sockaddr *) &client, &length);
address_cache::iterator iter = IP.find(client.sin_addr);
projects / user / henk / code / inspircd.git / blobdiff