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/*
* medussa - a distributed cracking system
* Copyright (C) 1999 Kostas Evangelinos <kos@bastard.net>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* $Id: portscan.c,v 1.1.1.1 2002/01/22 01:27:09 kos Exp $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/resource.h>
#include <unistd.h>
#include "common.h"
#include "portscan.h"
portscan_t *
portscan_init(char *params) {
portscan_t *u;
struct rlimit rm;
u = xcalloc(1, sizeof(portscan_t));
if(getrlimit(RLIMIT_NOFILE, &rl)) {
xfree(u);
return (portscan_t *)NULL;
}
if(rl.rlim_cur != rl.rlim_max) {
rl_rlim_cur = rl.rlim_max;
setrlimit(RLIMIT_NOFILE, &rl);
}
getrlimit(RLIMIT_NOFILE, &rl);
u->sock_limit = MIN(rl.rlimit_cur, PORTSCAN_CLAMP);
u->results = array_init(sizeof(portscan_result_t));
u->pool = array_init(sizeof(portscan_target_t));
memset((void *)&u->sa, '\0', sizeof(struct sockaddr_in));
return u;
}
int
portscan_destroy(portscan_t *u) {
array_destroy(u->results);
array_destroy(u->pool);
xfree(u);
return 0;
}
int
portscan_test(portscan_t *u, kchar *hash, int len) {
return 0;
}
int
portscan_crypt(portscan_t *u) {
int i;
unsigned short *port;
portscan_result_t result;
if(u->sa.sin_port == INADDR_ANY)
return 1;
for(i=0; (port=array_get(u->pool, i)); i++) {
}
return 0;
}
int
portscan_add(portscan_t *u, kchar *key, int len) {
unsigned short port;
unsigned char buf[4];
if(len != 2)
return 1;
memset(buf, '\0', 4);
memcpy(buf, key, 2);
port = atoi(buf);
array_add(u->pool, &port);
return 0;
}
int
portscan_siz(portscan_t *u) {
return u->sock_limit;
}
int
portscan_sethash(portscan_t *u, kchar *hash, int len) {
struct hostent *he;
unsigned char hostname[PORTSCAN_LINELEN];
if(len > PORTSCAN_LINELEN)
return 1;
memset(hostname, '\0', PORTSCAN_LINELEN);
memcpy(hostname, hash, len);
if(!(he = gethostbyname(hostname)))
return 2;
u->sa.sin_addr.s_addr = ((struct in_addr *)(he->h_addr))->s_addr;
u->sa.sin_family = AF_INET;
u->sa.sin_port = 0;
return 0;
}
int
portscan_setsalt(portscan_t *u, kchar *salt, int len) {
return 0;
}
int
portscan_getkey(portscan_t *u, kchar *buf, int maxlen, int *len, int *relindex) {
return 1;
}
method_impl_t portscan_impl = {
"portscan",
(meth_init)portscan_init,
(meth_test)portscan_test,
(meth_crypt)portscan_crypt,
(meth_add)portscan_add,
(meth_siz)portscan_siz,
(meth_sethash)portscan_sethash,
(meth_sethash)portscan_setsalt,
(meth_getkey)portscan_getkey,
(meth_destroy)portscan_destroy
};
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