/**
* Initialize new client and set up the given parameters like client type,
* user name, host name, introducing server etc. ...
* @return New CLIENT structure.
*/
static CLIENT *
Init_New_Client(CONN_ID Idx, CLIENT *Introducer, CLIENT *TopServer,
int Type, const char *ID, const char *User, const char *Hostname,
const char *Info, int Hops, int Token, const char *Modes, bool Idented)
{
CLIENT *client;
assert(Idx >= NONE);
assert(Introducer != NULL);
client = New_Client_Struct();
if (!client)
return NULL;
client->starttime = time(NULL);
client->conn_id = Idx;
client->introducer = Introducer;
client->topserver = TopServer;
client->type = Type;
if (ID)
Client_SetID(client, ID);
if (User) {
Client_SetUser(client, User, Idented);
Client_SetOrigUser(client, User);
}
if (Hostname)
Client_SetHostname(client, Hostname);
if (Info)
Client_SetInfo(client, Info);
client->hops = Hops;
client->token = Token;
if (Modes)
Client_SetModes(client, Modes);
if (Type == CLIENT_SERVER)
Generate_MyToken(client);
if (Client_HasMode(client, 'a'))
client->away = strndup(DEFAULT_AWAY_MSG, CLIENT_AWAY_LEN - 1);
client->next = (POINTER *)My_Clients;
My_Clients = client;
Adjust_Counters(client);
return client;
} /* Init_New_Client */
/**
* Handler for the IRC "WEBIRC" command.
*
* See doc/Protocol.txt, section II.4:
* "Update webchat/proxy client information".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_WEBIRC(CLIENT *Client, REQUEST *Req)
{
/* Exactly 4 parameters are requited */
if (Req->argc != 4)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
if (!Conf_WebircPwd[0] || strcmp(Req->argv[0], Conf_WebircPwd) != 0)
return IRC_WriteStrClient(Client, ERR_PASSWDMISMATCH_MSG,
Client_ID(Client));
LogDebug("Connection %d: got valid WEBIRC command: user=%s, host=%s, ip=%s",
Client_Conn(Client), Req->argv[1], Req->argv[2], Req->argv[3]);
Client_SetUser(Client, Req->argv[1], true);
Client_SetOrigUser(Client, Req->argv[1]);
Client_SetHostname(Client, Req->argv[2]);
return CONNECTED;
} /* IRC_WEBIRC */
/**
* Handler for the IRC "USER" command.
*
* See RFC 2812, 3.1.3 "User message".
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_USER(CLIENT * Client, REQUEST * Req)
{
CLIENT *c;
char *ptr;
assert(Client != NULL);
assert(Req != NULL);
if (Client_Type(Client) == CLIENT_GOTNICK ||
#ifndef STRICT_RFC
Client_Type(Client) == CLIENT_UNKNOWN ||
#endif
Client_Type(Client) == CLIENT_GOTPASS)
{
/* New connection */
if (Req->argc != 4)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
/* User name: only alphanumeric characters and limited
punctuation is allowed.*/
ptr = Req->argv[0];
while (*ptr) {
if (!isalnum(*ptr) &&
*ptr != '+' && *ptr != '-' &&
*ptr != '.' && *ptr != '_') {
Conn_Close(Client_Conn(Client), NULL,
"Invalid user name", true);
return DISCONNECTED;
}
ptr++;
}
#ifdef IDENTAUTH
ptr = Client_User(Client);
if (!ptr || !*ptr || *ptr == '~')
Client_SetUser(Client, Req->argv[0], false);
#else
Client_SetUser(Client, Req->argv[0], false);
#endif
Client_SetOrigUser(Client, Req->argv[0]);
/* "Real name" or user info text: Don't set it to the empty
* string, the original ircd can't deal with such "real names"
* (e. g. "USER user * * :") ... */
if (*Req->argv[3])
Client_SetInfo(Client, Req->argv[3]);
else
Client_SetInfo(Client, "-");
LogDebug("Connection %d: got valid USER command ...",
Client_Conn(Client));
if (Client_Type(Client) == CLIENT_GOTNICK)
return Login_User(Client);
else
Client_SetType(Client, CLIENT_GOTUSER);
return CONNECTED;
} else if (Client_Type(Client) == CLIENT_SERVER ||
Client_Type(Client) == CLIENT_SERVICE) {
/* Server/service updating an user */
if (Req->argc != 4)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
c = Client_Search(Req->prefix);
if (!c)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client),
Req->prefix);
Client_SetUser(c, Req->argv[0], true);
Client_SetOrigUser(c, Req->argv[0]);
Client_SetHostname(c, Req->argv[1]);
Client_SetInfo(c, Req->argv[3]);
LogDebug("Connection %d: got valid USER command for \"%s\".",
Client_Conn(Client), Client_Mask(c));
/* RFC 1459 style user registration?
* Introduce client to network: */
if (Client_Type(c) == CLIENT_GOTNICK)
Client_Introduce(Client, c, CLIENT_USER);
return CONNECTED;
} else if (Client_Type(Client) == CLIENT_USER) {
/* Already registered connection */
return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
Client_ID(Client));
} else {
/* Unexpected/invalid connection state? */
return IRC_WriteStrClient(Client, ERR_NOTREGISTERED_MSG,
Client_ID(Client));
}
} /* IRC_USER */
