#include "imp.h"
#include "irc.h"
+#include "irc-cap.h"
#include "irc-channel.h"
+#include "irc-encoding.h"
#include "irc-info.h"
#include "irc-login.h"
+#include "irc-metadata.h"
#include "irc-mode.h"
#include "irc-op.h"
#include "irc-oper.h"
#include "numeric.h"
#include "exp.h"
+#include "conf.h"
struct _NUMERIC {
int numeric;
{
{ "ADMIN", IRC_ADMIN, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "AWAY", IRC_AWAY, CLIENT_USER, 0, 0, 0 },
+ { "CAP", IRC_CAP, 0xFFFF, 0, 0, 0 },
{ "CONNECT", IRC_CONNECT, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "DIE", IRC_DIE, CLIENT_USER, 0, 0, 0 },
{ "DISCONNECT", IRC_DISCONNECT, CLIENT_USER, 0, 0, 0 },
{ "ERROR", IRC_ERROR, 0xFFFF, 0, 0, 0 },
+ { "GLINE", IRC_xLINE, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "HELP", IRC_HELP, CLIENT_USER, 0, 0, 0 },
{ "INFO", IRC_INFO, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "INVITE", IRC_INVITE, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "JOIN", IRC_JOIN, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "KICK", IRC_KICK, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "KILL", IRC_KILL, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
+ { "KLINE", IRC_xLINE, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "LINKS", IRC_LINKS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "LIST", IRC_LIST, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "LUSERS", IRC_LUSERS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
+ { "METADATA", IRC_METADATA, CLIENT_SERVER, 0, 0, 0 },
{ "MODE", IRC_MODE, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "MOTD", IRC_MOTD, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "NAMES", IRC_NAMES, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "PART", IRC_PART, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "PASS", IRC_PASS, 0xFFFF, 0, 0, 0 },
{ "PING", IRC_PING, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
- { "PONG", IRC_PONG, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
+ { "PONG", IRC_PONG, 0xFFFF, 0, 0, 0 },
{ "PRIVMSG", IRC_PRIVMSG, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "QUIT", IRC_QUIT, 0xFFFF, 0, 0, 0 },
{ "REHASH", IRC_REHASH, CLIENT_USER, 0, 0, 0 },
{ "SQUERY", IRC_SQUERY, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "SQUIT", IRC_SQUIT, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "STATS", IRC_STATS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
+ { "SVSNICK", IRC_SVSNICK, CLIENT_SERVER, 0, 0, 0 },
{ "SUMMON", IRC_SUMMON, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "TIME", IRC_TIME, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "TOPIC", IRC_TOPIC, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "WHO", IRC_WHO, CLIENT_USER, 0, 0, 0 },
{ "WHOIS", IRC_WHOIS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "WHOWAS", IRC_WHOWAS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
+
#ifdef IRCPLUS
{ "CHANINFO", IRC_CHANINFO, CLIENT_SERVER, 0, 0, 0 },
+# ifdef ICONV
+ { "CHARCONV", IRC_CHARCONV, CLIENT_USER, 0, 0, 0 },
+# endif
#endif
+
#ifndef STRICT_RFC
{ "GET", IRC_QUIT_HTTP, CLIENT_UNKNOWN, 0, 0, 0 },
{ "POST", IRC_QUIT_HTTP, CLIENT_UNKNOWN, 0, 0, 0 },
static bool Handle_Request PARAMS(( CONN_ID Idx, REQUEST *Req ));
+static bool ScrubCTCP PARAMS((char *Request));
+
/**
* Return the pointer to the global "IRC command structure".
* This structure, an array of type "COMMAND" describes all the IRC commands
/* remove leading & trailing whitespace */
ngt_TrimStr( Request );
- if( Request[0] == ':' )
- {
+ if (Conf_ScrubCTCP && ScrubCTCP(Request))
+ return true;
+
+ if (Request[0] == ':') {
/* Prefix */
req.prefix = Request + 1;
ptr = strchr( Request, ' ' );
assert( client != NULL );
if (!Req->prefix && Client_Type(client) == CLIENT_SERVER
+ && !(Conn_Options(Idx) & CONN_RFC1459)
&& strcasecmp(Req->command, "ERROR") != 0
&& strcasecmp(Req->command, "PING") != 0)
{
/* check if the client named in the prefix is expected
* to come from that direction */
if (Client_NextHop(c) != client) {
- Log(LOG_ERR,
- "Spoofed prefix \"%s\" from \"%s\" (connection %d, command \"%s\")!",
- Req->prefix, Client_Mask(Conn_GetClient(Idx)), Idx,
- Req->command);
- Conn_Close(Idx, NULL, "Spoofed prefix", true);
- *Closed = true;
+ if (Client_Type(c) != CLIENT_SERVER) {
+ Log(LOG_ERR,
+ "Spoofed prefix \"%s\" from \"%s\" (connection %d, command \"%s\")!",
+ Req->prefix, Client_Mask(Conn_GetClient(Idx)), Idx,
+ Req->command);
+ Conn_Close(Idx, NULL, "Spoofed prefix", true);
+ *Closed = true;
+ } else {
+ Log(LOG_INFO,
+ "Ignoring spoofed prefix \"%s\" from \"%s\" (connection %d, command \"%s\").",
+ Req->prefix, Client_Mask(Conn_GetClient(Idx)), Idx,
+ Req->command);
+ }
return false;
+
}
return true;
return IRC_WriteStrClientPrefix(target, prefix, "%s", str);
}
-
static bool
Handle_Request( CONN_ID Idx, REQUEST *Req )
{
continue;
}
- if (!(client_type & cmd->type))
- return IRC_WriteStrClient(client, ERR_NOTREGISTERED_MSG, Client_ID(client));
+ if (!(client_type & cmd->type)) {
+ if (client_type == CLIENT_USER
+ && cmd->type & CLIENT_SERVER)
+ return IRC_WriteStrClient(client,
+ ERR_NOTREGISTEREDSERVER_MSG,
+ Client_ID(client));
+ else
+ return IRC_WriteStrClient(client,
+ ERR_NOTREGISTERED_MSG,
+ Client_ID(client));
+ }
- /* Command is allowed for this client: call it and count produced bytes */
+ /* Command is allowed for this client: call it and count
+ * generated bytes in output */
Conn_ResetWCounter();
result = (cmd->function)(client, Req);
cmd->bytes += Conn_WCounter();
} /* Handle_Request */
+/**
+ * Check if incoming messages contains CTCP commands and should be dropped.
+ *
+ * @param Request NULL terminated incoming command.
+ * @returns true, when the message should be dropped.
+ */
+static bool
+ScrubCTCP(char *Request)
+{
+ static const char me_cmd[] = "ACTION ";
+ static const char ctcp_char = 0x1;
+ bool dropCommand = false;
+ char *ptr = Request;
+ char *ptrEnd = strchr(Request, '\0');
+
+ if (Request[0] == ':' && ptrEnd > ptr)
+ ptr++;
+
+ while (ptr != ptrEnd && *ptr != ':')
+ ptr++;
+
+ if ((ptrEnd - ptr) > 1) {
+ ptr++;
+ if (*ptr == ctcp_char) {
+ dropCommand = true;
+ ptr++;
+ /* allow /me commands */
+ if ((size_t)(ptrEnd - ptr) >= strlen(me_cmd)
+ && !strncmp(ptr, me_cmd, strlen(me_cmd)))
+ dropCommand = false;
+ }
+ }
+ return dropCommand;
+}
+
/* -eof- */