* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
*
- * Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
- * the file COPYING for details.
+ * the file COPYING for details.
*
* ---------------------------------------------------
*/
-using namespace std;
+/* $Core */
-#include "inspircd_config.h"
#include "inspircd.h"
-#include "inspircd_io.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 <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include <sched.h>
-#ifdef THREADED_DNS
-#include <pthread.h>
-#endif
-#include "users.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
-#include "wildcard.h"
-#include "message.h"
-#include "mode.h"
-#include "commands.h"
#include "xline.h"
-#include "inspstring.h"
-#include "dnsqueue.h"
-#include "helperfuncs.h"
-#include "hashcomp.h"
#include "socketengine.h"
-#include "userprocess.h"
#include "socket.h"
-#include "dns.h"
-#include "typedefs.h"
#include "command_parse.h"
-#include "ctables.h"
+#include "exitcodes.h"
-#ifdef GCC3
-#define nspace __gnu_cxx
-#else
-#define nspace std
+/* Directory Searching for Unix-Only */
+#ifndef WIN32
+#include <dirent.h>
+#include <dlfcn.h>
#endif
+int InspIRCd::PassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype)
+{
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(this,I_OnPassCompare,OnPassCompare(ex, data, input, hashtype))
-extern InspIRCd* ServerInstance;
-
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<InspSocket*> module_sockets;
-extern std::vector<userrec*> local_users;
-
-extern int MODCOUNT;
-extern InspSocket* socket_ref[MAX_DESCRIPTORS];
-extern time_t TIME;
+ /* Module matched */
+ if (MOD_RESULT == 1)
+ return 0;
-// 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.
-extern userrec* fd_ref_table[MAX_DESCRIPTORS];
+ /* Module explicitly didnt match */
+ if (MOD_RESULT == -1)
+ return 1;
-extern Server* MyServer;
-extern ServerConfig *Config;
+ /* We dont handle any hash types except for plaintext - Thanks tra26 */
+ if (hashtype != "" && hashtype != "plaintext")
+ /* See below. 1 because they dont match */
+ return 1;
-extern user_hash clientlist;
-extern chan_hash chanlist;
+ return (data != input); // this seems back to front, but returns 0 if they *match*, 1 else
+}
-/* 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 CommandParser::LoopCall(command_t* fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins)
+/* LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list.
+ * There are two overriden versions of this method, one of which takes two potential lists and the other takes one.
+ * We need a version which takes two potential lists for JOIN, because a JOIN may contain two lists of items at once,
+ * the channel names and their keys as follows:
+ * JOIN #chan1,#chan2,#chan3 key1,,key3
+ * Therefore, we need to deal with both lists concurrently. The first instance of this method does that by creating
+ * two instances of irc::commasepstream and reading them both together until the first runs out of tokens.
+ * The second version is much simpler and just has the one stream to read, and is used in NAMES, WHOIS, PRIVMSG etc.
+ * Both will only parse until they reach ServerInstance->Config->MaxTargets number of targets, to stop abuse via spam.
+ */
+int CommandParser::LoopCall(User* user, Command* CommandObj, const std::vector<std::string>& parameters, unsigned int splithere, unsigned int extra)
{
- 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++)
- {
- *blog[i] = 0;
- *blog2[i] = 0;
- }
-
- *moo = 0;
- 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] || (!strchr(parameters[start],',')))
- {
+ if (splithere >= parameters.size())
return 0;
- }
- *plist = 0;
+ /* First check if we have more than one item in the list, if we don't we return zero here and the handler
+ * which called us just carries on as it was.
+ */
+ if (parameters[splithere].find(',') == std::string::npos)
+ return 0;
- for (int i = start; i <= end; i++)
- {
- if (parameters[i])
+ /** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm.
+ * By using std::set (thanks for the idea w00t) we can cut this down a ton.
+ * ...VOOODOOOO!
+ */
+ std::set<irc::string> dupes;
+
+ /* Create two lists, one for channel names, one for keys
+ */
+ irc::commasepstream items1(parameters[splithere]);
+ irc::commasepstream items2(parameters[extra]);
+ std::string extrastuff;
+ std::string item;
+ unsigned int max = 0;
+
+ /* Attempt to iterate these lists and call the command objech
+ * which called us, for every parameter pair until there are
+ * no more left to parse.
+ */
+ while (items1.GetToken(item) && (max++ < ServerInstance->Config->MaxTargets))
+ {
+ if (dupes.find(item.c_str()) == dupes.end())
{
- strlcat(plist,parameters[i],MAXBUF);
- }
- }
+ std::vector<std::string> new_parameters;
- j = 0;
- param = plist;
+ for (unsigned int t = 0; (t < parameters.size()) && (t < MAXPARAMETERS); t++)
+ new_parameters.push_back(parameters[t]);
- t = strlen(plist);
+ if (!items2.GetToken(extrastuff))
+ extrastuff = "";
- for (int i = 0; i < t; i++)
- {
- if (plist[i] == ',')
- {
- plist[i] = '\0';
- strlcpy(blog[j++],param,MAXBUF);
- param = plist+i+1;
- if ((unsigned int)j > Config->MaxTargets)
- {
- WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]);
- return 1;
- }
- }
- }
+ new_parameters[splithere] = item.c_str();
+ new_parameters[extra] = extrastuff.c_str();
- strlcpy(blog[j++],param,MAXBUF);
- total = j;
+ CommandObj->Handle(new_parameters, user);
- if ((joins) && (keystr) && (total>0)) // more than one channel and is joining
- {
- strcat(keystr,",");
+ dupes.insert(item.c_str());
+ }
}
+ return 1;
+}
- if ((joins) && (keystr))
- {
- if (strchr(keystr,','))
- {
- j = 0;
- param = keystr;
- t2 = strlen(keystr);
+int CommandParser::LoopCall(User* user, Command* CommandObj, const std::vector<std::string>& parameters, unsigned int splithere)
+{
+ if (splithere >= parameters.size())
+ return 0;
- for (int i = 0; i < t2; i++)
- {
- if (keystr[i] == ',')
- {
- keystr[i] = '\0';
- strlcpy(blog2[j++],param,MAXBUF);
- param = keystr+i+1;
- }
- }
+ /* First check if we have more than one item in the list, if we don't we return zero here and the handler
+ * which called us just carries on as it was.
+ */
+ if (parameters[splithere].find(',') == std::string::npos)
+ return 0;
- strlcpy(blog2[j++],param,MAXBUF);
- total2 = j;
- }
- }
+ std::set<irc::string> dupes;
+
+ /* Only one commasepstream here */
+ irc::commasepstream items1(parameters[splithere]);
+ std::string item;
+ unsigned int max = 0;
- for (j = 0; j < total; j++)
+ /* Parse the commasepstream until there are no tokens remaining.
+ * Each token we parse out, call the command handler that called us
+ * with it
+ */
+ while (items1.GetToken(item) && (max++ < ServerInstance->Config->MaxTargets))
{
- if (blog[j])
+ if (dupes.find(item.c_str()) == dupes.end())
{
- pars[0] = blog[j];
- }
+ std::vector<std::string> new_parameters;
- for (q = end; q < pcnt-1; q++)
- {
- if (parameters[q+1])
- {
- pars[q-end+1] = parameters[q+1];
- }
- }
+ for (unsigned int t = 0; (t < parameters.size()) && (t < MAXPARAMETERS); t++)
+ new_parameters.push_back(parameters[t]);
- if ((joins) && (parameters[1]))
- {
- if (pcnt > 1)
- {
- pars[1] = blog2[j];
- }
- else
- {
- pars[1] = NULL;
- }
- }
+ new_parameters[splithere] = item.c_str();
- /* 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->Handle(pars,2,u);
- }
- else
- {
- pars[1] = parameters[1];
- fn->Handle(pars,2,u);
- }
- }
- else
- {
- fn->Handle(pars,pcnt-(end-start),u);
+ /* Execute the command handler. */
+ CommandObj->Handle(new_parameters, user);
+
+ dupes.insert(item.c_str());
}
}
-
+ /* By returning 1 we tell our caller that nothing is to be done,
+ * as all the previous calls handled the data. This makes the parent
+ * return without doing any processing.
+ */
return 1;
}
-bool CommandParser::IsValidCommand(std::string &commandname, int pcnt, userrec * user)
+bool CommandParser::IsValidCommand(const std::string &commandname, unsigned int pcnt, User * user)
{
- nspace::hash_map<std::string,command_t*>::iterator n = cmdlist.find(commandname);
+ Commandtable::iterator n = cmdlist.find(commandname);
if (n != cmdlist.end())
{
- if ((pcnt>=n->second->min_params) && (n->second->source != "<core>"))
+ if ((pcnt >= n->second->min_params) && (n->second->source != "<core>"))
{
- if ((strchr(user->modes,n->second->flags_needed)) || (!n->second->flags_needed))
+ if (IS_LOCAL(user) && n->second->flags_needed)
{
- if (n->second->flags_needed)
+ if (user->IsModeSet(n->second->flags_needed))
{
- if ((user->HasPermission(commandname)) || (is_uline(user->server)))
- {
- return true;
- }
- else
- {
- return false;
- }
+ return (user->HasPermission(commandname));
}
-
+ }
+ else
+ {
return true;
}
}
}
-
return false;
}
+Command* CommandParser::GetHandler(const std::string &commandname)
+{
+ Commandtable::iterator n = cmdlist.find(commandname);
+ if (n != cmdlist.end())
+ return n->second;
+
+ return NULL;
+}
+
// calls a handler function for a command
-bool CommandParser::CallHandler(std::string &commandname,char **parameters, int pcnt, userrec *user)
+CmdResult CommandParser::CallHandler(const std::string &commandname, const std::vector<std::string>& parameters, User *user)
{
- nspace::hash_map<std::string,command_t*>::iterator n = cmdlist.find(commandname);
+ Commandtable::iterator n = cmdlist.find(commandname);
if (n != cmdlist.end())
{
- if (pcnt >= n->second->min_params)
+ if (parameters.size() >= n->second->min_params)
{
- if ((strchr(user->modes,n->second->flags_needed)) || (!n->second->flags_needed))
+ bool bOkay = false;
+
+ if (IS_LOCAL(user) && n->second->flags_needed)
{
- if (n->second->flags_needed)
- {
- if ((user->HasPermission(commandname)) || (!IS_LOCAL(user)))
- {
- n->second->Handle(parameters,pcnt,user);
- return true;
- }
- }
- else
+ /* if user is local, and flags are needed .. */
+
+ if (user->IsModeSet(n->second->flags_needed))
{
- n->second->Handle(parameters,pcnt,user);
- return true;
+ /* if user has the flags, and now has the permissions, go ahead */
+ if (user->HasPermission(commandname))
+ bOkay = true;
}
}
- }
- }
- return false;
-}
-
-int CommandParser::ProcessParameters(char **command_p,char *parameters)
-{
- int j = 0;
- int q = strlen(parameters);
-
- if (!q)
- {
- /* no parameters, command_p invalid! */
- return 0;
- }
-
- if (parameters[0] == ':')
- {
- 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] == ':')
+ else
{
- if (strchr(parameters,' ') != NULL)
- {
- command_p[0]++;
- }
+ /* remote or no flags required anyway */
+ bOkay = true;
}
- 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] == ':')
+ if (bOkay)
{
- *command_p[j-1]++; /* remove dodgy ":" */
- break;
- /* parameter like this marks end of the sequence */
+ return n->second->Handle(parameters,user);
}
}
}
-
- return j; /* returns total number of items in the list */
+ return CMD_INVALID;
}
-void CommandParser::ProcessCommand(userrec *user, char* cmd)
+void CommandParser::DoLines(User* current, bool one_only)
{
- char *parameters;
- char *command;
- char *command_p[127];
- char p[MAXBUF], temp[MAXBUF];
- int j, items, cmd_found;
- int total_params = 0;
- unsigned int xl;
-
- for (int i = 0; i < 127; i++)
- command_p[i] = NULL;
-
- if (!user || !cmd || !*cmd)
+ while (current->BufferIsReady())
{
- return;
+ // use GetBuffer to copy single lines into the sanitized string
+ std::string single_line = current->GetBuffer();
+ current->bytes_in += single_line.length();
+ current->cmds_in++;
+ if (single_line.length() > MAXBUF - 2) // MAXBUF is 514 to allow for neccessary line terminators
+ single_line.resize(MAXBUF - 2); // So to trim to 512 here, we use MAXBUF - 2
+
+ // ProcessBuffer returns false if the user has gone over penalty
+ if (!ServerInstance->Parser->ProcessBuffer(single_line, current) || one_only)
+ break;
}
+}
- xl = strlen(cmd);
+bool CommandParser::ProcessCommand(User *user, std::string &cmd)
+{
+ std::vector<std::string> command_p;
+ irc::tokenstream tokens(cmd);
+ std::string command, token;
+ tokens.GetToken(command);
- if (xl > 2)
- {
- for (unsigned int q = 0; q < xl - 1; q++)
- {
- if (cmd[q] == ' ')
- {
- if (cmd[q+1] == ':')
- {
- total_params++;
- // found a 'trailing', we dont count them after this.
- break;
- }
- else
- total_params++;
- }
- }
- }
+ /* A client sent a nick prefix on their command (ick)
+ * rhapsody and some braindead bouncers do this --
+ * the rfc says they shouldnt but also says the ircd should
+ * discard it if they do.
+ */
+ if (command[0] == ':')
+ tokens.GetToken(command);
- // another phidjit bug...
- if (total_params > 126)
- {
- *(strchr(cmd,' ')) = '\0';
- WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd);
- return;
- }
+ while (tokens.GetToken(token) && (command_p.size() <= MAXPARAMETERS))
+ command_p.push_back(token);
- strlcpy(temp,cmd,MAXBUF);
+ std::transform(command.begin(), command.end(), command.begin(), ::toupper);
- std::string tmp = cmd;
+ /* find the command, check it exists */
+ Commandtable::iterator cm = cmdlist.find(command);
- for (int i = 0; i <= MODCOUNT; i++)
+ if (cm == cmdlist.end())
{
- std::string oldtmp = tmp;
- modules[i]->OnServerRaw(tmp,true,user);
- if (oldtmp != tmp)
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command, command_p, user, false, cmd));
+ if (MOD_RESULT == 1)
+ return true;
+
+ /*
+ * This double lookup is in case a module (abbreviation) wishes to change a command.
+ * Sure, the double lookup is a bit painful, but bear in mind this only happens for unknowns anyway.
+ *
+ * Thanks dz for making me actually understand why this is necessary!
+ * -- w00t
+ */
+ cm = cmdlist.find(command);
+ if (cm == cmdlist.end())
{
- 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;
+ if (user->registered == REG_ALL)
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str());
+ ServerInstance->stats->statsUnknown++;
+ return true;
}
}
- strlcpy(cmd,tmp.c_str(),MAXBUF);
- strlcpy(temp,cmd,MAXBUF);
-
- if (!strchr(cmd,' '))
+ if (cm->second->max_params && command_p.size() > cm->second->max_params)
{
/*
- * no parameters, lets skip the formalities and not chop up
- * the string
+ * command_p input (assuming max_params 1):
+ * this
+ * is
+ * a
+ * test
+ */
+ std::string lparam = "";
+
+ /*
+ * The '-1' here is a clever trick, we'll go backwards throwing everything into a temporary param
+ * and then just toss that into the array.
+ * -- w00t
*/
- log(DEBUG,"About to preprocess command with no params");
- items = 0;
- command_p[0] = NULL;
- parameters = NULL;
- unsigned int tl = strlen(cmd);
- for (unsigned int i = 0; i <= tl; i++)
+ while (command_p.size() > (cm->second->max_params - 1))
{
- cmd[i] = toupper(cmd[i]);
+ // BE CAREFUL: .end() returns past the end of the vector, hence decrement.
+ std::vector<std::string>::iterator it = --command_p.end();
+
+ lparam.insert(0, " " + *(it));
+ command_p.erase(it); // remove last element
}
- command = cmd;
+
+ /* we now have (each iteration):
+ * ' test'
+ * ' a test'
+ * ' is a test' <-- final string
+ * ...now remove the ' ' at the start...
+ */
+ lparam.erase(lparam.begin());
+
+ /* param is now 'is a test', which is exactly what we wanted! */
+ command_p.push_back(lparam);
}
- else
- {
- *cmd = 0;
- j = 0;
- unsigned int vl = strlen(temp);
- /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
- for (unsigned int i = 0; i < vl; i++)
- {
- if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7))
- {
- cmd[j++] = temp[i];
- cmd[j] = 0;
- }
- }
+ /*
+ * We call OnPreCommand here seperately if the command exists, so the magic above can
+ * truncate to max_params if necessary. -- w00t
+ */
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command, command_p, user, false, cmd));
+ if (MOD_RESULT == 1)
+ return true;
- /* split the full string into a command plus parameters */
- parameters = p;
- p[0] = ' ';
- p[1] = 0;
+ /* Modify the user's penalty */
+ bool do_more = true;
+ if (!user->HasPrivPermission("users/flood/no-throttle"))
+ {
+ user->IncreasePenalty(cm->second->Penalty);
+ do_more = (user->Penalty < 10);
+ }
- command = cmd;
+ /* activity resets the ping pending timer */
+ if (user->MyClass)
+ user->nping = ServerInstance->Time() + user->MyClass->GetPingTime();
- if (strchr(cmd,' '))
+ if (cm->second->flags_needed)
+ {
+ if (!user->IsModeSet(cm->second->flags_needed))
{
- unsigned int cl = strlen(cmd);
-
- for (unsigned int i = 0; i <= cl; 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;
- }
- }
+ user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - You do not have the required operator privileges",user->nick.c_str());
+ return do_more;
}
- else
+ if (!user->HasPermission(command))
{
- for (char* i = cmd; *i; i++)
- {
- *i = toupper(*i);
- }
+ user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to command %s",user->nick.c_str(),user->oper.c_str(),command.c_str());
+ return do_more;
}
}
-
- if (strlen(command)>MAXCOMMAND)
- {
- WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
- return;
- }
-
- for (char* x = command; *x; x++)
+ if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled()))
{
- if (((*x < 'A') || (*x > 'Z')) && (*x != '.'))
+ /* command is disabled! */
+ if (ServerInstance->Config->DisabledDontExist)
{
- if (((*x < '0') || (*x> '9')) && (*x != '-'))
- {
- if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",*x))
- {
- ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- return;
- }
- }
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str());
+ }
+ else
+ {
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :This command has been disabled.",
+ user->nick.c_str(), command.c_str());
}
- }
- std::string xcommand = command;
- if ((user->registered != 7) && (xcommand == "SERVER"))
+ ServerInstance->SNO->WriteToSnoMask('d', "%s denied for %s (%s@%s)",
+ command.c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str());
+ return do_more;
+ }
+ if (command_p.size() < cm->second->min_params)
{
- kill_link(user,"Server connection to non-server port");
- return;
+ user->WriteNumeric(ERR_NEEDMOREPARAMS, "%s %s :Not enough parameters.", user->nick.c_str(), command.c_str());
+ if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length()))
+ user->WriteNumeric(RPL_SYNTAX, "%s :SYNTAX %s %s", user->nick.c_str(), cm->second->command.c_str(), cm->second->syntax.c_str());
+ return do_more;
}
-
- /* Tweak by brain - why was this INSIDE the mainloop? */
- if (parameters)
+ if ((user->registered != REG_ALL) && (!cm->second->WorksBeforeReg()))
{
- if (parameters[0])
- {
- items = this->ProcessParameters(command_p,parameters);
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
+ user->WriteNumeric(ERR_NOTREGISTERED, "%s :You have not registered",command.c_str());
+ return do_more;
}
else
{
- items = 0;
- command_p[0] = NULL;
- }
+ /* passed all checks.. first, do the (ugly) stats counters. */
+ cm->second->use_count++;
+ cm->second->total_bytes += cmd.length();
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false));
- if (MOD_RESULT == 1) {
- return;
- }
-
- nspace::hash_map<std::string,command_t*>::iterator cm = cmdlist.find(xcommand);
-
- if (cm != cmdlist.end())
- {
- if (user)
- {
- /* activity resets the ping pending timer */
- user->nping = TIME + user->pingmax;
- if ((items) < cm->second->min_params)
- {
- log(DEBUG,"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,cm->second->flags_needed)) && (cm->second->flags_needed))
- {
- log(DEBUG,"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 ((cm->second->flags_needed) && (!user->HasPermission(xcommand)))
- {
- log(DEBUG,"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);
- if (!IS_LOCAL(user))
- WriteOpers("*** \2WARNING\2: Command '%s' not allowed for oper '%s', dropped.",command,user->nick);
- 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,"not registered: %s %s",user->nick,command);
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
- if ((user->registered == 7) && (!*user->oper) && (*Config->DisabledCommands))
- {
- std::stringstream dcmds(Config->DisabledCommands);
- std::string thiscmd;
- while (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)))
- {
- /* ikky /stats counters */
- if (temp)
- {
- cm->second->use_count++;
- cm->second->total_bytes+=strlen(temp);
- }
+ /* module calls too */
+ MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command, command_p, user, true, cmd));
+ if (MOD_RESULT == 1)
+ return do_more;
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true));
- if (MOD_RESULT == 1)
- {
- return;
- }
+ /*
+ * WARNING: be careful, the user may be deleted soon
+ */
+ CmdResult result = cm->second->Handle(command_p, user);
- /*
- * WARNING: nothing may come after the
- * command handler call, as the handler
- * may free the user structure!
- */
+ FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, user, result,cmd));
+ return do_more;
+ }
+}
- cm->second->Handle(command_p,items,user);
- return;
- }
- else
- {
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
+void CommandParser::RemoveCommands(const char* source)
+{
+ Commandtable::iterator i,safei;
+ for (i = cmdlist.begin(); i != cmdlist.end();)
+ {
+ safei = i;
+ i++;
+ RemoveCommand(safei, source);
}
- else if (user)
+}
+
+void CommandParser::RemoveCommand(Commandtable::iterator safei, const char* source)
+{
+ Command* x = safei->second;
+ if (x->source == std::string(source))
{
- ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
+ cmdlist.erase(safei);
+ delete x;
}
}
-bool CommandParser::RemoveCommands(const char* source)
+bool CommandParser::ProcessBuffer(std::string &buffer,User *user)
{
- bool go_again = true;
+ std::string::size_type a;
- while (go_again)
- {
- go_again = false;
+ if (!user)
+ return true;
- for (nspace::hash_map<std::string,command_t*>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
- {
- command_t* x = i->second;
- if (x->source == std::string(source))
- {
- log(DEBUG,"removecommands(%s) Removing dependent command: %s",x->source.c_str(),x->command.c_str());
- cmdlist.erase(i);
- go_again = true;
- break;
- }
- }
+ while ((a = buffer.rfind("\n")) != std::string::npos)
+ buffer.erase(a);
+ while ((a = buffer.rfind("\r")) != std::string::npos)
+ buffer.erase(a);
+
+ if (buffer.length())
+ {
+ ServerInstance->Logs->Log("USERINPUT", DEBUG,"C[%d] I :%s %s",user->GetFd(), user->nick.c_str(), buffer.c_str());
+ return this->ProcessCommand(user,buffer);
}
return true;
}
-void CommandParser::ProcessBuffer(const char* cmdbuf,userrec *user)
+bool CommandParser::CreateCommand(Command *f, void* so_handle)
{
- char cmd[MAXBUF];
-
- if (!user)
+ if (so_handle)
{
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
+ if (RFCCommands.find(f->command) == RFCCommands.end())
+ RFCCommands[f->command] = so_handle;
+ else
+ {
+ ServerInstance->Logs->Log("COMMAND",DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded.");
+ return false;
+ }
}
- if (!cmdbuf)
+
+ /* create the command and push it onto the table */
+ if (cmdlist.find(f->command) == cmdlist.end())
{
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
+ cmdlist[f->command] = f;
+ return true;
}
- if (!cmdbuf[0])
+ else return false;
+}
+
+CommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance)
+{
+ para.resize(128);
+}
+
+bool CommandParser::FindSym(void** v, void* h, const std::string &name)
+{
+ *v = dlsym(h, "init_command");
+ const char* err = dlerror();
+ if (err && !(*v))
{
- return;
+ ServerInstance->Logs->Log("COMMAND",SPARSE, "Error loading core command %s: %s\n", name.c_str(), err);
+ return false;
}
+ return true;
+}
- while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
+bool CommandParser::ReloadCommand(std::string cmd, User* user)
+{
+ char filename[MAXBUF];
+ std::transform(cmd.begin(), cmd.end(), cmd.begin(), ::toupper);
- strlcpy(cmd,cmdbuf,MAXBUF);
+ SharedObjectList::iterator command = RFCCommands.find(cmd);
- if (!cmd[0])
+ if (command != RFCCommands.end())
{
- return;
- }
+ Command* cmdptr = cmdlist.find(cmd)->second;
+ cmdlist.erase(cmdlist.find(cmd));
+ RFCCommands.erase(cmd);
+ std::transform(cmd.begin(), cmd.end(), cmd.begin(), ::tolower);
+ delete cmdptr;
+ dlclose(command->second);
- /* XXX - This is ugly as sin, and incomprehensible - why are we doing this twice, for instance? --w00t */
- int sl = strlen(cmd)-1;
+ snprintf(filename, MAXBUF, "cmd_%s.so", cmd.c_str());
+ const char* err = this->LoadCommand(filename);
+ if (err)
+ {
+ if (user)
+ user->WriteServ("NOTICE %s :*** Error loading 'cmd_%s.so': %s", user->nick.c_str(), cmd.c_str(), err);
+ return false;
+ }
- if ((cmd[sl] == 13) || (cmd[sl] == 10))
- {
- cmd[sl] = '\0';
+ return true;
}
- sl = strlen(cmd)-1;
+ return false;
+}
- if ((cmd[sl] == 13) || (cmd[sl] == 10))
+CmdResult CommandReload::Handle(const std::vector<std::string>& parameters, User *user)
+{
+ if (parameters.size() < 1)
+ return CMD_FAILURE;
+
+ user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick.c_str(), parameters[0].c_str());
+ if (ServerInstance->Parser->ReloadCommand(parameters[0], user))
{
- cmd[sl] = '\0';
+ user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick.c_str(), parameters[0].c_str());
+ ServerInstance->SNO->WriteToSnoMask('A', "RELOAD: %s reloaded the '%s' command.", user->nick.c_str(), parameters[0].c_str());
+ return CMD_SUCCESS;
}
+ else
+ {
+ user->WriteServ("NOTICE %s :*** Could not reload command '%s' -- fix this problem, then /REHASH as soon as possible!", user->nick.c_str(), parameters[0].c_str());
+ return CMD_FAILURE;
+ }
+}
- sl = strlen(cmd)-1;
-
+const char* CommandParser::LoadCommand(const char* name)
+{
+ char filename[MAXBUF];
+ void* h;
+ Command* (*cmd_factory_func)(InspIRCd*);
- while (cmd[sl] == ' ') // strip trailing spaces
+ /* Command already exists? Succeed silently - this is needed for REHASH */
+ if (RFCCommands.find(name) != RFCCommands.end())
{
- cmd[sl] = '\0';
- sl = strlen(cmd)-1;
+ ServerInstance->Logs->Log("COMMAND",DEBUG,"Not reloading command %s/%s, it already exists", LIBRARYDIR, name);
+ return NULL;
}
- if (!cmd[0])
+ snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
+ h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
+
+ if (!h)
{
- return;
+ const char* n = dlerror();
+ ServerInstance->Logs->Log("COMMAND",SPARSE, "Error loading core command %s: %s", name, n);
+ return n;
}
- log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
- tidystring(cmd);
- if ((user) && (cmd))
+ if (this->FindSym((void **)&cmd_factory_func, h, name))
{
- this->ProcessCommand(user,cmd);
+ Command* newcommand = cmd_factory_func(ServerInstance);
+ this->CreateCommand(newcommand, h);
}
+ return NULL;
}
-bool CommandParser::CreateCommand(command_t *f)
+/** This is only invoked on startup
+ */
+void CommandParser::SetupCommandTable()
{
- /* create the command and push it onto the table */
- if (cmdlist.find(f->command) == cmdlist.end())
+ printf("\nLoading core commands");
+ fflush(stdout);
+
+ DIR* library = opendir(LIBRARYDIR);
+ if (library)
{
- cmdlist[f->command] = f;
- log(DEBUG,"Added command %s (%lu parameters)",f->command.c_str(),(unsigned long)f->min_params);
- return true;
+ dirent* entry = NULL;
+ while (0 != (entry = readdir(library)))
+ {
+ if (InspIRCd::Match(entry->d_name, "cmd_*.so", ascii_case_insensitive_map))
+ {
+ printf(".");
+ fflush(stdout);
+
+ const char* err = this->LoadCommand(entry->d_name);
+ if (err)
+ {
+ printf("Error loading %s: %s", entry->d_name, err);
+ exit(EXIT_STATUS_BADHANDLER);
+ }
+ }
+ }
+ closedir(library);
+ printf("\n");
}
- else return false;
+
+ if (cmdlist.find("RELOAD") == cmdlist.end())
+ this->CreateCommand(new CommandReload(ServerInstance));
}
-CommandParser::CommandParser()
+int CommandParser::TranslateUIDs(const std::deque<TranslateType> to, const std::deque<std::string> &source, std::string &dest)
{
- this->SetupCommandTable();
+ std::deque<std::string>::const_iterator items = source.begin();
+ std::deque<TranslateType>::const_iterator types = to.begin();
+ User* user = NULL;
+ int translations = 0;
+ dest.clear();
+
+ while (items != source.end() && types != to.end())
+ {
+ TranslateType t = *types;
+ std::string item = *items;
+ types++;
+ items++;
+
+ switch (t)
+ {
+ case TR_NICK:
+ /* Translate single nickname */
+ user = ServerInstance->FindNick(item);
+ if (user)
+ {
+ dest.append(user->uuid);
+ translations++;
+ }
+ else
+ dest.append(item);
+ break;
+ break;
+ case TR_END:
+ case TR_TEXT:
+ default:
+ /* Do nothing */
+ dest.append(item);
+ break;
+ }
+ dest.append(" ");
+ }
+
+ if (!dest.empty())
+ dest.erase(dest.end() - 1);
+ return translations;
}
-void CommandParser::SetupCommandTable()
+int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, std::string &dest)
{
- this->CreateCommand(new cmd_user);
- this->CreateCommand(new cmd_nick);
- this->CreateCommand(new cmd_quit);
- this->CreateCommand(new cmd_version);
- this->CreateCommand(new cmd_ping);
- this->CreateCommand(new cmd_pong);
- this->CreateCommand(new cmd_admin);
- this->CreateCommand(new cmd_privmsg);
- this->CreateCommand(new cmd_info);
- this->CreateCommand(new cmd_time);
- this->CreateCommand(new cmd_whois);
- this->CreateCommand(new cmd_wallops);
- this->CreateCommand(new cmd_notice);
- this->CreateCommand(new cmd_join);
- this->CreateCommand(new cmd_names);
- this->CreateCommand(new cmd_part);
- this->CreateCommand(new cmd_kick);
- this->CreateCommand(new cmd_mode);
- this->CreateCommand(new cmd_topic);
- this->CreateCommand(new cmd_who);
- this->CreateCommand(new cmd_motd);
- this->CreateCommand(new cmd_rules);
- this->CreateCommand(new cmd_oper);
- this->CreateCommand(new cmd_list);
- this->CreateCommand(new cmd_die);
- this->CreateCommand(new cmd_restart);
- this->CreateCommand(new cmd_kill);
- this->CreateCommand(new cmd_rehash);
- this->CreateCommand(new cmd_lusers);
- this->CreateCommand(new cmd_stats);
- this->CreateCommand(new cmd_userhost);
- this->CreateCommand(new cmd_away);
- this->CreateCommand(new cmd_ison);
- this->CreateCommand(new cmd_summon);
- this->CreateCommand(new cmd_users);
- this->CreateCommand(new cmd_invite);
- this->CreateCommand(new cmd_pass);
- this->CreateCommand(new cmd_trace);
- this->CreateCommand(new cmd_whowas);
- this->CreateCommand(new cmd_connect);
- this->CreateCommand(new cmd_squit);
- this->CreateCommand(new cmd_modules);
- this->CreateCommand(new cmd_links);
- this->CreateCommand(new cmd_map);
- this->CreateCommand(new cmd_kline);
- this->CreateCommand(new cmd_gline);
- this->CreateCommand(new cmd_zline);
- this->CreateCommand(new cmd_qline);
- this->CreateCommand(new cmd_eline);
- this->CreateCommand(new cmd_loadmodule);
- this->CreateCommand(new cmd_unloadmodule);
- this->CreateCommand(new cmd_server);
- this->CreateCommand(new cmd_commands);
-}
+ User* user = NULL;
+ std::string item;
+ int translations = 0;
+ dest.clear();
+ switch (to)
+ {
+ case TR_NICK:
+ /* Translate single nickname */
+ user = ServerInstance->FindNick(source);
+ if (user)
+ {
+ dest = user->uuid;
+ translations++;
+ }
+ else
+ dest = source;
+ break;
+ case TR_END:
+ case TR_TEXT:
+ default:
+ /* Do nothing */
+ dest = source;
+ break;
+ }
+
+ return translations;
+}
projects / user / henk / code / inspircd.git / blobdiff