static void
mo_chgident(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *target_p = NULL;
if (MyClient(source_p) && !IsOperAdmin(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "CHGIDENT");
return;
}
if (EmptyString(parv[2]))
{
parv[2] = parv[1];
target_p = source_p;
if (!IsClient(target_p))
return;
}
else {
target_p = find_client(parv[1]);
if (target_p == NULL || !IsClient(target_p))
{
sendto_one(source_p, form_str(ERR_NOSUCHNICK),
me.name, source_p->name, parv[1]);
return;
}
}
if (strlen(parv[2]) > USERLEN || !*parv[2] || !valid_username(parv[2]))
{
sendto_one(source_p, ":%s NOTICE %s :Invalid username",
me.name, source_p->name);
return;
}
if (IsUserHostIp(target_p))
delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
strlcpy(target_p->username, parv[2], sizeof(target_p->username));
add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
SetUserHost(target_p);
if (MyClient(source_p))
{
sendto_server(client_p, NULL, NOCAPS, NOCAPS, ":%s ENCAP * CHGIDENT %s %s",
source_p->name, target_p->name, parv[2]);
sendto_one(source_p, ":%s NOTICE %s :%s changed to %s@%s",
me.name, source_p->name, target_p->name, target_p->username,
target_p->host);
}
if (MyConnect(target_p) && IsClient(source_p))
sendto_one(target_p, ":%s NOTICE %s :You are now %s@%s",
me.name, target_p->name, target_p->username, target_p->host);
}
/* check_clean_user()
*
* input - pointer to client sending data
* - nickname
* - username to check
* - origin of NICK
* output - none
* side effects - if username is erroneous, return 1
*/
static int
check_clean_user(struct Client *client_p, char *nick,
char *user, struct Client *server_p)
{
if (!valid_username(user, 0))
{
++ServerStats.is_kill;
sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
"Bad/Long Username: %s Nickname: %s From: %s(via %s)",
user, nick, server_p->name, client_p->name);
sendto_one(client_p, ":%s KILL %s :%s (Bad Username)",
me.name, nick, me.name);
return 1;
}
return 0;
}