* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2007 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.
*
* ---------------------------------------------------
*/
-using namespace std;
-
-#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 "ctables.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 "exitcodes.h"
-extern InspIRCd* ServerInstance;
+/* Directory Searching for Unix-Only */
+#ifndef WIN32
+#include <dirent.h>
+#include <dlfcn.h>
+#endif
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<InspSocket*> module_sockets;
-extern std::vector<userrec*> local_users;
+bool InspIRCd::ULine(const char* server)
+{
+ if (!server)
+ return false;
+ if (!*server)
+ return true;
-extern int MODCOUNT;
-extern Module* IOHookModule;
-extern InspSocket* socket_ref[65535];
-extern time_t TIME;
+ return (Config->ulines.find(server) != Config->ulines.end());
+}
-extern SocketEngine* SE;
+bool InspIRCd::SilentULine(const char* server)
+{
+ std::map<irc::string,bool>::iterator n = Config->ulines.find(server);
+ if (n != Config->ulines.end())
+ return n->second;
+ else return false;
+}
-// 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[65536];
+int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber)
+{
+ int MOD_RESULT = 0;
+ FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data, input, tagnumber))
+ if (MOD_RESULT == 1)
+ return 0;
+ if (MOD_RESULT == -1)
+ return 1;
+ return strcmp(data,input);
+}
-extern serverstats* stats;
-extern Server* MyServer;
-extern ServerConfig *Config;
+std::string InspIRCd::TimeString(time_t curtime)
+{
+ return std::string(ctime(&curtime),24);
+}
-extern user_hash clientlist;
-extern chan_hash chanlist;
-extern command_table cmdlist;
+/** Refactored by Brain, Jun 2007. Much faster with some clever O(1) array
+ * lookups and pointer maths.
+ */
+long InspIRCd::Duration(const std::string &str)
+{
+ unsigned char multiplier = 0;
+ long total = 0;
+ long times = 1;
+ long subtotal = 0;
+
+ /* Iterate each item in the string, looking for number or multiplier */
+ for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
+ {
+ /* Found a number, queue it onto the current number */
+ if ((*i >= '0') && (*i <= '9'))
+ {
+ subtotal = subtotal + ((*i - '0') * times);
+ times = times * 10;
+ }
+ else
+ {
+ /* Found something thats not a number, find out how much
+ * it multiplies the built up number by, multiply the total
+ * and reset the built up number.
+ */
+ if (subtotal)
+ total += subtotal * duration_multi[multiplier];
+
+ /* Next subtotal please */
+ subtotal = 0;
+ multiplier = *i;
+ times = 1;
+ }
+ }
+ if (multiplier)
+ {
+ total += subtotal * duration_multi[multiplier];
+ subtotal = 0;
+ }
+ /* Any trailing values built up are treated as raw seconds */
+ return total + subtotal;
+}
-/* 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(handlerfunc 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(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, 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++)
- 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++)
- {
- 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);
- }
- }
-
- return 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 (!strchr(parameters[splithere],','))
+ return 0;
+
+ /** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm.
+ * By using std::map (thanks for the idea w00t) we can cut this down a ton.
+ * ...VOOODOOOO!
+ */
+ std::map<irc::string, bool> 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())
+ {
+ const char* new_parameters[MAXPARAMETERS];
+
+ for (int t = 0; (t < pcnt) && (t < MAXPARAMETERS); t++)
+ new_parameters[t] = parameters[t];
+
+ if (!items2.GetToken(extrastuff))
+ extrastuff = "";
+
+ new_parameters[splithere] = item.c_str();
+ new_parameters[extra] = extrastuff.c_str();
+
+ CommandObj->Handle(new_parameters,pcnt,user);
+
+ dupes[item.c_str()] = true;
+ }
+ }
+ return 1;
}
-bool CommandParser::IsValidCommand(std::string &commandname, int pcnt, userrec * user)
+int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere)
{
- for (unsigned int i = 0; i < cmdlist.size(); i++)
- {
- if (!strcasecmp(cmdlist[i].command,commandname.c_str()))
- {
- 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(commandname)) || (is_uline(user->server)))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- return true;
- }
- }
- }
- }
- }
- return false;
+ /* 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 (!strchr(parameters[splithere],','))
+ return 0;
+
+ std::map<irc::string, bool> dupes;
+
+ /* Only one commasepstream here */
+ irc::commasepstream items1(parameters[splithere]);
+ std::string item;
+ unsigned int max = 0;
+
+ /* 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 (dupes.find(item.c_str()) == dupes.end())
+ {
+ const char* new_parameters[MAXPARAMETERS];
+
+ for (int t = 0; (t < pcnt) && (t < MAXPARAMETERS); t++)
+ new_parameters[t] = parameters[t];
+
+ new_parameters[splithere] = item.c_str();
+
+ parameters[splithere] = item.c_str();
+
+ /* Execute the command handler over and over. If someone pulls our user
+ * record out from under us (e.g. if we /kill a comma sep list, and we're
+ * in that list ourselves) abort if we're gone.
+ */
+ CommandObj->Handle(new_parameters,pcnt,user);
+
+ dupes[item.c_str()] = true;
+ }
+ }
+ /* 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;
}
-// calls a handler function for a command
+bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, userrec * user)
+{
+ command_table::iterator n = cmdlist.find(commandname);
+
+ if (n != cmdlist.end())
+ {
+ if ((pcnt>=n->second->min_params) && (n->second->source != "<core>"))
+ {
+ if (IS_LOCAL(user) && n->second->flags_needed)
+ {
+ if (user->IsModeSet(n->second->flags_needed))
+ {
+ return (user->HasPermission(commandname));
+ }
+ }
+ else
+ {
+ return true;
+ }
+ }
+ }
+ return false;
+}
-void CommandParser::CallHandler(std::string &commandname,char **parameters, int pcnt, userrec *user)
+command_t* CommandParser::GetHandler(const std::string &commandname)
{
- for (unsigned int i = 0; i < cmdlist.size(); i++)
- {
- if (!strcasecmp(cmdlist[i].command,commandname.c_str()))
- {
- 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(commandname)) || (is_uline(user->server)))
- {
- cmdlist[i].handler_function(parameters,pcnt,user);
- }
- }
- else
- {
- cmdlist[i].handler_function(parameters,pcnt,user);
- }
- }
- }
- }
- }
- }
+ command_table::iterator n = cmdlist.find(commandname);
+ if (n != cmdlist.end())
+ return n->second;
+
+ return NULL;
}
-int CommandParser::ProcessParameters(char **command_p,char *parameters)
+// calls a handler function for a command
+
+CmdResult CommandParser::CallHandler(const std::string &commandname,const char** parameters, int pcnt, userrec *user)
{
- 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] == ':')
- {
- 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 */
+ command_table::iterator n = cmdlist.find(commandname);
+
+ if (n != cmdlist.end())
+ {
+ if (pcnt >= n->second->min_params)
+ {
+ bool bOkay = false;
+
+ if (IS_LOCAL(user) && n->second->flags_needed)
+ {
+ /* if user is local, and flags are needed .. */
+
+ if (user->IsModeSet(n->second->flags_needed))
+ {
+ /* if user has the flags, and now has the permissions, go ahead */
+ if (user->HasPermission(commandname))
+ bOkay = true;
+ }
+ }
+ else
+ {
+ /* remote or no flags required anyway */
+ bOkay = true;
+ }
+
+ if (bOkay)
+ {
+ return n->second->Handle(parameters,pcnt,user);
+ }
+ }
+ }
+ return CMD_INVALID;
}
-void CommandParser::ProcessCommand(userrec *user, char* cmd)
+void CommandParser::ProcessCommand(userrec *user, std::string &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;
- }
- 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;
- }
- }
- }
- }
-
- std::string xcommand = command;
- 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,"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,"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(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);
- 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) && (!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);
- }
+ const char *command_p[MAXPARAMETERS];
+ int items = 0;
+ irc::tokenstream tokens(cmd);
+ std::string command;
+ tokens.GetToken(command);
+
+ /* 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.c_str() == ':')
+ tokens.GetToken(command);
+
+ while (tokens.GetToken(para[items]) && (items < MAXPARAMETERS))
+ {
+ command_p[items] = para[items].c_str();
+ items++;
+ }
+
+ std::transform(command.begin(), command.end(), command.begin(), ::toupper);
+
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd));
+ if (MOD_RESULT == 1) {
+ return;
+ }
+
+ command_table::iterator cm = cmdlist.find(command);
+
+ if (cm != cmdlist.end())
+ {
+ if (user)
+ {
+ /* activity resets the ping pending timer */
+ user->nping = ServerInstance->Time() + user->pingmax;
+ if (cm->second->flags_needed)
+ {
+ if (!user->IsModeSet(cm->second->flags_needed))
+ {
+ user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick);
+ return;
+ }
+ if (!user->HasPermission(command))
+ {
+ user->WriteServ("481 %s :Permission Denied - Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str());
+ return;
+ }
+ }
+ if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled()))
+ {
+ /* command is disabled! */
+ user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
+ ServerInstance->SNO->WriteToSnoMask('d', "%s denied for %s (%s@%s)",
+ command.c_str(), user->nick, user->ident, user->host);
+ return;
+ }
+ if (items < cm->second->min_params)
+ {
+ user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str());
+ if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length()))
+ user->WriteServ("304 %s :SYNTAX %s %s", user->nick, cm->second->command.c_str(), cm->second->syntax.c_str());
+ return;
+ }
+ if ((user->registered == REG_ALL) || (cm->second->WorksBeforeReg()))
+ {
+ /* ikky /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,true,cmd));
+ if (MOD_RESULT == 1)
+ return;
+
+ /*
+ * WARNING: be careful, the user may be deleted soon
+ */
+ CmdResult result = cm->second->Handle(command_p,items,user);
+
+ FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd));
+ return;
+ }
+ else
+ {
+ user->WriteServ("451 %s :You have not registered",command.c_str());
+ return;
+ }
+ }
+ }
+ else if (user)
+ {
+ ServerInstance->stats->statsUnknown++;
+ user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str());
+ }
}
bool CommandParser::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;
+ command_table::iterator i,safei;
+ for (i = cmdlist.begin(); i != cmdlist.end(); i++)
+ {
+ safei = i;
+ safei++;
+ if (safei != cmdlist.end())
+ {
+ RemoveCommand(safei, source);
+ }
+ }
+ safei = cmdlist.begin();
+ if (safei != cmdlist.end())
+ {
+ RemoveCommand(safei, source);
+ }
+ return true;
+}
+
+void CommandParser::RemoveCommand(command_table::iterator safei, const char* source)
+{
+ command_t* x = safei->second;
+ if (x->source == std::string(source))
+ {
+ cmdlist.erase(safei);
+ delete x;
+ }
+}
+
+void CommandParser::ProcessBuffer(std::string &buffer,userrec *user)
+{
+ std::string::size_type a;
+
+ if (!user)
+ return;
+
+ 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())
+ {
+ if (!user->muted)
+ {
+ ServerInstance->Log(DEBUG,"C[%d] I :%s %s",user->GetFd(), user->nick, buffer.c_str());
+ this->ProcessCommand(user,buffer);
+ }
+ }
+}
+
+bool CommandParser::CreateCommand(command_t *f, void* so_handle)
+{
+ if (so_handle)
+ {
+ if (RFCCommands.find(f->command) == RFCCommands.end())
+ RFCCommands[f->command] = so_handle;
+ else
+ {
+ ServerInstance->Log(DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded.");
+ return false;
+ }
+ }
+
+ /* create the command and push it onto the table */
+ if (cmdlist.find(f->command) == cmdlist.end())
+ {
+ cmdlist[f->command] = f;
+ return true;
+ }
+ 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))
+ {
+ ServerInstance->Log(SPARSE, "Error loading core command %s: %s\n", name, err);
+ return false;
+ }
+ return true;
+}
+
+bool CommandParser::ReloadCommand(const char* cmd, userrec* user)
+{
+ char filename[MAXBUF];
+ char commandname[MAXBUF];
+ int y = 0;
+
+ for (const char* x = cmd; *x; x++, y++)
+ commandname[y] = toupper(*x);
+
+ commandname[y] = 0;
+
+ SharedObjectList::iterator command = RFCCommands.find(commandname);
+
+ if (command != RFCCommands.end())
+ {
+ command_t* cmdptr = cmdlist.find(commandname)->second;
+ cmdlist.erase(cmdlist.find(commandname));
+
+ for (char* x = commandname; *x; x++)
+ *x = tolower(*x);
+
+
+ delete cmdptr;
+ dlclose(command->second);
+ RFCCommands.erase(command);
+
+ snprintf(filename, MAXBUF, "cmd_%s.so", commandname);
+ const char* err = this->LoadCommand(filename);
+ if (err)
+ {
+ if (user)
+ user->WriteServ("NOTICE %s :*** Error loading 'cmd_%s.so': %s", user->nick, cmd, err);
+ return false;
+ }
+
+ return true;
+ }
+
+ return false;
+}
+
+CmdResult cmd_reload::Handle(const char** parameters, int pcnt, userrec *user)
+{
+ user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]);
+ if (ServerInstance->Parser->ReloadCommand(parameters[0], user))
+ {
+ user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick, parameters[0]);
+ ServerInstance->WriteOpers("*** RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]);
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ user->WriteServ("NOTICE %s :*** Could not reload command '%s' -- fix this problem, then /REHASH as soon as possible!", user->nick, parameters[0]);
+ return CMD_FAILURE;
+ }
+}
+
+const char* CommandParser::LoadCommand(const char* name)
+{
+ char filename[MAXBUF];
+ void* h;
+ command_t* (*cmd_factory_func)(InspIRCd*);
+
+ /* Command already exists? Succeed silently - this is needed for REHASH */
+ if (RFCCommands.find(name) != RFCCommands.end())
+ {
+ ServerInstance->Log(DEBUG,"Not reloading command %s/%s, it already exists", LIBRARYDIR, name);
+ return NULL;
+ }
+
+ snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
+ h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
+
+ if (!h)
+ {
+ const char* n = dlerror();
+ ServerInstance->Log(SPARSE, "Error loading core command %s: %s", name, n);
+ return n;
+ }
+
+ if (this->FindSym((void **)&cmd_factory_func, h, name))
+ {
+ command_t* newcommand = cmd_factory_func(ServerInstance);
+ this->CreateCommand(newcommand, h);
+ }
+ return NULL;
+}
+
+void CommandParser::SetupCommandTable(userrec* user)
+{
+ RFCCommands.clear();
+
+ if (!user)
+ {
+ printf("\nLoading core commands");
+ fflush(stdout);
+ }
+
+ DIR* library = opendir(LIBRARYDIR);
+ if (library)
+ {
+ dirent* entry = NULL;
+ while ((entry = readdir(library)))
+ {
+ if (match(entry->d_name, "cmd_*.so"))
+ {
+ if (!user)
+ {
+ printf(".");
+ fflush(stdout);
+ }
+ const char* err = this->LoadCommand(entry->d_name);
+ if (err)
+ {
+ if (user)
+ {
+ user->WriteServ("NOTICE %s :*** Failed to load core command %s: %s", user->nick, entry->d_name, err);
+ }
+ else
+ {
+ printf("Error loading %s: %s", entry->d_name, err);
+ exit(EXIT_STATUS_BADHANDLER);
+ }
+ }
+ }
+ }
+ closedir(library);
+ if (!user)
+ printf("\n");
+ }
+
+ if (cmdlist.find("RELOAD") == cmdlist.end())
+ this->CreateCommand(new cmd_reload(ServerInstance));
}
-void CommandParser::ProcessBuffer(const char* cmdbuf,userrec *user)
+int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, std::string &dest)
{
- 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))
- {
- this->ProcessCommand(user,cmd);
- }
+ userrec* user = NULL;
+ std::string item;
+ int translations = 0;
+
+ switch (to)
+ {
+ case TR_NICK:
+ /* Translate single nickname */
+ ServerInstance->Log(DEBUG,"TR_NICK");
+ user = ServerInstance->FindNick(source);
+ if (user)
+ {
+ ServerInstance->Log(DEBUG,"Managed UUID");
+ dest = user->uuid;
+ translations++;
+ }
+ else
+ {
+ ServerInstance->Log(DEBUG,"Had to use source.. (%s)", source.c_str());
+ dest = source;
+ }
+ break;
+ case TR_NICKLIST:
+ {
+ /* Translate comma seperated list of nicknames */
+ irc::commasepstream items(source);
+ while (items.GetToken(item))
+ {
+ user = ServerInstance->FindNick(item);
+ if (user)
+ {
+ dest.append(user->uuid);
+ translations++;
+ }
+ else
+ dest.append(source);
+ dest.append(",");
+ }
+ if (!dest.empty())
+ dest.erase(dest.end() - 1);
+ }
+ break;
+ case TR_SPACENICKLIST:
+ {
+ /* Translate space seperated list of nicknames */
+ irc::spacesepstream items(source);
+ while (items.GetToken(item))
+ {
+ user = ServerInstance->FindNick(item);
+ if (user)
+ {
+ dest.append(user->uuid);
+ translations++;
+ }
+ else
+ dest.append(source);
+ dest.append(" ");
+ }
+ if (!dest.empty())
+ dest.erase(dest.end() - 1);
+ }
+ break;
+ case TR_END:
+ case TR_TEXT:
+ default:
+ /* Do nothing */
+ dest = source;
+ break;
+ }
+
+ return translations;
}
projects / user / henk / code / inspircd.git / blobdiff