/*
* mr_nick()
*
* parv[0] = sender prefix
* parv[1] = nickname
*/
static void
mr_nick(struct Client *client_p, struct Client *source_p, int parc, char *parv[])
{
struct Client *target_p;
char nick[NICKLEN];
char *s;
if(parc < 2 || BadPtr(parv[1]))
{
sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
me.name, BadPtr(parv[0]) ? "*" : parv[0]);
return;
}
/* Terminate the nick at the first ~ */
if((s = strchr(parv[1], '~')))
*s = '\0';
/* and if the first ~ was the first letter.. */
if(BadPtr(parv[1]))
{
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME),
me.name, BadPtr(parv[0]) ? "*" : parv[0], parv[1]);
return;
}
/* copy the nick and terminate it */
strlcpy(nick, parv[1], sizeof(nick));
/* check the nickname is ok */
if(!clean_nick_name(nick))
{
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME),
me.name, BadPtr(parv[0]) ? "*" : parv[0], parv[1]);
return;
}
/* check if the nick is resv'd */
if(find_nick_resv(nick))
{
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME),
me.name, BadPtr(parv[0]) ? "*" : parv[0], nick);
return;
}
if((target_p = find_client(nick)) == NULL)
{
set_initial_nick(client_p, source_p, nick);
return;
}
else if(source_p == target_p)
{
strcpy(source_p->name, nick);
return;
}
else
{
sendto_one(source_p, form_str(ERR_NICKNAMEINUSE), me.name, "*", nick);
}
}
/*! \brief NICK command handler (called by unregistered,
* locally connected clients)
*
* \param client_p Pointer to allocated Client struct with physical connection
* to this server, i.e. with an open socket connected.
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = sender prefix
* - parv[1] = nickname
*/
static void
mr_nick(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
char nick[NICKLEN + 1] = { '\0' };
char *s = NULL;
struct Client *target_p = NULL;
struct MaskItem *conf = NULL;
if (parc < 2 || EmptyString(parv[1]))
{
sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), me.name,
source_p->name[0] ? source_p->name : "*");
return;
}
/* Terminate the nick at the first ~ */
if ((s = strchr(parv[1], '~')) != NULL)
*s = '\0';
/* Copy the nick and terminate it */
strlcpy(nick, parv[1], IRCD_MIN(sizeof(nick), ServerInfo.max_nick_length + 1));
/* Check the nickname is ok */
if (!valid_nickname(nick, 1))
{
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME), me.name,
source_p->name[0] ? source_p->name : "*", parv[1],
"Erroneous Nickname");
return;
}
/* Check if the nick is resv'd */
if ((conf = find_matching_name_conf(CONF_NRESV, nick, NULL, NULL, 0)))
{
++conf->count;
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME), me.name,
source_p->name[0] ? source_p->name : "*", nick, conf->reason);
sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
"Forbidding reserved nick [%s] from user %s",
nick, get_client_name(client_p, HIDE_IP));
return;
}
if ((target_p = hash_find_client(nick)) == NULL)
set_initial_nick(source_p, nick);
else if (source_p == target_p)
strlcpy(source_p->name, nick, sizeof(source_p->name));
else
sendto_one(source_p, form_str(ERR_NICKNAMEINUSE), me.name, "*", nick);
}
/*! \brief NICK command handler (called by unregistered,
* locally connected clients)
*
* \param client_p Pointer to allocated Client struct with physical connection
* to this server, i.e. with an open socket connected.
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = sender prefix
* - parv[1] = nickname
*/
static void
mr_nick(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *target_p = NULL;
char nick[NICKLEN];
char *s = NULL;
if (parc < 2 || EmptyString(parv[1]))
{
sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
me.name, EmptyString(parv[0]) ? "*" : parv[0]);
return;
}
/* Terminate the nick at the first ~ */
if ((s = strchr(parv[1], '~')) != NULL)
*s = '\0';
/* copy the nick and terminate it */
strlcpy(nick, parv[1], sizeof(nick));
/* check the nickname is ok */
if (!clean_nick_name(nick, 1))
{
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME),
me.name, EmptyString(parv[0]) ? "*" : parv[0], parv[1]);
return;
}
/* check if the nick is resv'd */
if (find_matching_name_conf(NRESV_TYPE, nick, NULL, NULL, 0) &&
!IsExemptResv(source_p))
{
sendto_one(source_p, form_str(ERR_ERRONEUSNICKNAME),
me.name, EmptyString(parv[0]) ? "*" : parv[0], nick);
return;
}
if ((target_p = find_client(nick)) == NULL)
set_initial_nick(source_p, nick);
else if (source_p == target_p)
strlcpy(source_p->name, nick, sizeof(source_p->name));
else
sendto_one(source_p, form_str(ERR_NICKNAMEINUSE), me.name, "*", nick);
}
/*! \brief NICK command handler
*
* \param source_p Pointer to allocated Client struct from which the message
* originally comes from. This can be a local or remote client.
* \param parc Integer holding the number of supplied arguments.
* \param parv Argument vector where parv[0] .. parv[parc-1] are non-NULL
* pointers.
* \note Valid arguments for this command are:
* - parv[0] = command
* - parv[1] = nickname
*/
static int
mr_nick(struct Client *source_p, int parc, char *parv[])
{
char nick[NICKLEN + 1] = "";
struct Client *target_p = NULL;
struct MaskItem *conf = NULL;
if (parc < 2 || EmptyString(parv[1]))
{
sendto_one_numeric(source_p, &me, ERR_NONICKNAMEGIVEN);
return 0;
}
/* Copy the nick and terminate it */
strlcpy(nick, parv[1], IRCD_MIN(sizeof(nick), ConfigServerInfo.max_nick_length + 1));
/* Check the nickname is ok */
if (!valid_nickname(nick, 1))
{
sendto_one_numeric(source_p, &me, ERR_ERRONEUSNICKNAME, parv[1], "Erroneous Nickname");
return 0;
}
/* Check if the nick is resv'd */
if ((conf = find_matching_name_conf(CONF_NRESV, nick, NULL, NULL, 0)))
{
++conf->count;
sendto_one_numeric(source_p, &me, ERR_ERRONEUSNICKNAME, nick, conf->reason);
sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
"Forbidding reserved nick %s from user %s",
nick, get_client_name(source_p, HIDE_IP));
return 0;
}
if ((target_p = hash_find_client(nick)) == NULL || target_p == source_p)
set_initial_nick(source_p, nick);
else
sendto_one_numeric(source_p, &me, ERR_NICKNAMEINUSE, target_p->name);
return 0;
}
