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m_kline: insert a safety zero early #185

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m_kline: insert a safety zero early #185

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8 changes: 7 additions & 1 deletion modules/m_kline.c
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,7 @@ mo_kline(struct Client *client_p, struct Client *source_p, int parc, const char
{
char def[] = "No Reason";
char user[USERLEN + 2];
char host[HOSTLEN + 2];
char host_buf[HOSTLEN + 3], *host = host_buf + 1;
char *reason = def;
char *oper_reason;
const char *target_server = NULL;
Expand All @@ -125,6 +125,12 @@ mo_kline(struct Client *client_p, struct Client *source_p, int parc, const char
if(find_user_host(source_p, parv[loc], user, host) == 0)
return 0;

if (*host == ':')
{
host--;
*host = '0';
}

loc++;

if(parc >= loc + 2 && !irccmp(parv[loc], "ON"))
Expand Down