ipf_dotuning.c revision 170268 
1/*	$FreeBSD: head/contrib/ipfilter/lib/ipf_dotuning.c 170268 2007-06-04 02:54:36Z darrenr $	*/
2
3/*
4 * Copyright (C) 2003-2005 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id: ipf_dotuning.c,v 1.2.4.3 2006/06/16 17:21:02 darrenr Exp $
9 */
10
11#include "ipf.h"
12#include "netinet/ipl.h"
13#include <sys/ioctl.h>
14
15void ipf_dotuning(fd, tuneargs, iocfn)
16int fd;
17char *tuneargs;
18ioctlfunc_t iocfn;
19{
20	ipfobj_t obj;
21	ipftune_t tu;
22	char *s, *t;
23
24	bzero((char *)&tu, sizeof(tu));
25	obj.ipfo_rev = IPFILTER_VERSION;
26	obj.ipfo_size = sizeof(tu);;
27	obj.ipfo_ptr = (void *)&tu;
28	obj.ipfo_type = IPFOBJ_TUNEABLE;
29
30	for (s = strtok(tuneargs, ","); s != NULL; s = strtok(NULL, ",")) {
31		if (!strcmp(s, "list")) {
32			while (1) {
33				if ((*iocfn)(fd, SIOCIPFGETNEXT, &obj) == -1) {
34					perror("ioctl(SIOCIPFGETNEXT)");
35					break;
36				}
37				if (tu.ipft_cookie == NULL)
38					break;
39
40				tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
41				printtunable(&tu);
42			}
43		} else if ((t = strchr(s, '=')) != NULL) {
44			tu.ipft_cookie = NULL;
45			*t++ = '\0';
46			strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
47			if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) {
48				if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) {
49					perror("ioctl(SIOCIPFSET)");
50					return;
51				}
52			} else {
53				fprintf(stderr, "invalid value '%s'\n", s);
54				return;
55			}
56		} else {
57			tu.ipft_cookie = NULL;
58			strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
59			if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) {
60				perror("ioctl(SIOCIPFGET)");
61				return;
62			}
63			if (tu.ipft_cookie == NULL) {
64				fprintf(stderr, "Null cookie for %s\n", s);
65				return;
66			}
67
68			tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
69			printtunable(&tu);
70		}
71	}
72}
73