diff options
-rw-r--r-- | include/users.h | 24 | ||||
-rw-r--r-- | src/configreader.cpp | 57 | ||||
-rw-r--r-- | src/users.cpp | 10 |
3 files changed, 55 insertions, 36 deletions
diff --git a/include/users.h b/include/users.h index 48026d473..83782d393 100644 --- a/include/users.h +++ b/include/users.h @@ -139,14 +139,14 @@ public: registration_timeout(source->registration_timeout), flood(source->flood), host(source->host), pingtime(source->pingtime), pass(source->pass), hash(source->hash), threshold(source->threshold), sendqmax(source->sendqmax), recvqmax(source->recvqmax), maxlocal(source->maxlocal), maxglobal(source->maxglobal), maxchans(source->maxchans), - port(source->port), RefCount(0), limit(source->limit) + port(source->port), RefCount(0), disabled(false), limit(source->limit) { } /** Create a new connect class with no settings. */ ConnectClass() : type(CC_DENY), name("unnamed"), registration_timeout(0), flood(0), host(""), pingtime(0), pass(""), hash(""), - threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), RefCount(0), limit(0) + threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), RefCount(0), disabled(false), limit(0) { } @@ -168,14 +168,14 @@ public: const std::string &pas, const std::string &hsh, unsigned int thres, unsigned long sendq, unsigned long recvq, unsigned long maxl, unsigned long maxg, unsigned int maxc, int p = 0) : type(CC_ALLOW), name(thename), registration_timeout(timeout), flood(fld), host(hst), pingtime(ping), pass(pas), hash(hsh), - threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), maxchans(maxc), port(p), RefCount(0), limit(0) { } + threshold(thres), sendqmax(sendq), recvqmax(recvq), maxlocal(maxl), maxglobal(maxg), maxchans(maxc), port(p), RefCount(0), disabled(false), limit(0) { } /** Create a new connect class to DENY connections * @param thename Name of the connect class * @param hst The IP mask to deny */ ConnectClass(const std::string &thename, const std::string &hst) : type(CC_DENY), name(thename), registration_timeout(0), - flood(0), host(hst), pingtime(0), pass(""), hash(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0), RefCount(0), limit(0) + flood(0), host(hst), pingtime(0), pass(""), hash(""), threshold(0), sendqmax(0), recvqmax(0), maxlocal(0), maxglobal(0), maxchans(0), port(0), RefCount(0), disabled(false), limit(0) { } @@ -187,10 +187,20 @@ public: registration_timeout(source->registration_timeout), flood(source->flood), host(source->host), pingtime(source->pingtime), pass(source->pass), hash(source->hash), threshold(source->threshold), sendqmax(source->sendqmax), recvqmax(source->recvqmax), maxlocal(source->maxlocal), maxglobal(source->maxglobal), maxchans(source->maxchans), - port(source->port), RefCount(0), limit(source->limit) + port(source->port), RefCount(0), disabled(false), limit(source->limit) { } + void SetDisabled(bool t) + { + this->disabled = t; + } + + bool GetDisabled() + { + return this->disabled; + } + /* Update an existing entry with new values */ void Update(unsigned int timeout, unsigned int fld, const std::string &hst, unsigned int ping, @@ -237,6 +247,10 @@ public: */ unsigned long RefCount; + /** If this is true, any attempt to set a user to this class will fail. Default false. This is really private, it's only in the public section thanks to the way this class is written + */ + bool disabled; + /** How many users may be in this connect class before they are refused? (0 = disabled = default) */ unsigned long limit; diff --git a/src/configreader.cpp b/src/configreader.cpp index aea422a35..5449a12f6 100644 --- a/src/configreader.cpp +++ b/src/configreader.cpp @@ -457,15 +457,33 @@ bool InitConnect(ServerConfig* conf, const char*) { conf->GetInstance()->Logs->Log("CONFIG",DEFAULT,"Reading connect classes... class list is:"); - /* - * Remove all connect classes.. we'll reset the pointers in user classes - * once all new classes have been read from config. - */ - while (conf->Classes.begin() != conf->Classes.end()) + for (ClassVector::iterator i = conf->Classes.begin(); i != conf->Classes.end() ; ) { - ConnectClass *c = *(conf->Classes.begin()); - conf->Classes.erase(conf->Classes.begin()); - delete c; + ConnectClass* c = *i; + + /* + * only delete a class with refcount 0. + * this is needed to avoid trampling on a wild pointer (User::MyClass)! + * it's also the most simple way to do it, given that we're looking at threads.. + * -- w00t + */ + if (c->RefCount == 0) + { + conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Removing connect class, refcount is 0!"); + + /* This was causing a crash, because we'd set i to .begin() just here, but then the for loop's increment would + * set it to .begin() + 1. Which if it was already the last thing in the list, wasn't good. + * Now the increment is in the else { } below. + */ + conf->Classes.erase(i); + i = conf->Classes.begin(); // start over so we don't trample on a bad iterator + } + else + { + /* also mark all existing classes disabled, if they still exist in the conf, they will be reenabled. */ + c->SetDisabled(true); + i++; + } } return true; @@ -562,29 +580,6 @@ bool DoConnect(ServerConfig* conf, const char*, char**, ValueList &values, int*) */ bool DoneConnect(ServerConfig *conf, const char*) { - /* - * Update connect classes on all users. - */ - conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Resetting connect classes for users..."); - for (std::vector<User*>::iterator n = conf->GetInstance()->Users->local_users.begin(); n != conf->GetInstance()->Users->local_users.end(); n++) - { - User *u = *n; - - /* - * Make their existing class go away so that SetClass doesn't touch a wild ptr, important! - */ - u->MyClass = NULL; - - u->SetClass(); - - /* - * Check that the user falls into a valid class block.. if they don't, - * they need to be quit, which CheckClass will do. -- w00t - */ - u->CheckClass(); - } - - conf->GetInstance()->Logs->Log("CONFIG",DEFAULT, "Done adding connect classes!"); return true; } diff --git a/src/users.cpp b/src/users.cpp index 2b6e00e0e..784783086 100644 --- a/src/users.cpp +++ b/src/users.cpp @@ -1830,6 +1830,9 @@ ConnectClass* User::SetClass(const std::string &explicit_name) { ConnectClass* c = *i; + if (c->GetDisabled()) + continue; // can't possibly match, removed from conf + if (explicit_name == c->GetName()) { ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Explicitly set to %s", explicit_name.c_str()); @@ -1852,6 +1855,13 @@ ConnectClass* User::SetClass(const std::string &explicit_name) ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "DENY %s %d %s", c->GetHost().c_str(), c->GetPort(), c->GetName().c_str()); } + /* if it's disabled, we can't match this one. */ + if (c->GetDisabled()) + { + ServerInstance->Logs->Log("CONNECTCLASS", DEBUG, "Class disabled"); + continue; + } + /* check if host matches.. */ if (!InspIRCd::MatchCIDR(this->GetIPString(), c->GetHost(), NULL) && !InspIRCd::MatchCIDR(this->host, c->GetHost(), NULL)) |