1 /* $FreeBSD$ */
2
3 /*
4 * Copyright (C) 2012 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id$
9 */
10
11 #include "ipf.h"
12 #include "netinet/ipl.h"
13 #include <sys/ioctl.h>
14
ipf_dotuning(int fd,char * tuneargs,ioctlfunc_t iocfn)15 void ipf_dotuning(int fd, char *tuneargs, ioctlfunc_t iocfn)
16 {
17 ipfobj_t obj;
18 ipftune_t tu;
19 char *s, *t;
20
21 bzero((char *)&tu, sizeof(tu));
22 obj.ipfo_rev = IPFILTER_VERSION;
23 obj.ipfo_size = sizeof(tu);;
24 obj.ipfo_ptr = (void *)&tu;
25 obj.ipfo_type = IPFOBJ_TUNEABLE;
26
27 for (s = strtok(tuneargs, ","); s != NULL; s = strtok(NULL, ",")) {
28 if (!strcmp(s, "list")) {
29 while (1) {
30 if ((*iocfn)(fd, SIOCIPFGETNEXT, &obj) == -1) {
31 ipf_perror_fd(fd, iocfn,
32 "ioctl(SIOCIPFGETNEXT)");
33 break;
34 }
35 if (tu.ipft_cookie == NULL)
36 break;
37
38 tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
39 printtunable(&tu);
40 }
41 } else if ((t = strchr(s, '=')) != NULL) {
42 tu.ipft_cookie = NULL;
43 *t++ = '\0';
44 strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
45 if (sscanf(t, "%lu", &tu.ipft_vlong) == 1) {
46 if ((*iocfn)(fd, SIOCIPFSET, &obj) == -1) {
47 ipf_perror_fd(fd, iocfn,
48 "ioctl(SIOCIPFSET)");
49 return;
50 }
51 } else {
52 fprintf(stderr, "invalid value '%s'\n", s);
53 return;
54 }
55 } else {
56 tu.ipft_cookie = NULL;
57 strncpy(tu.ipft_name, s, sizeof(tu.ipft_name));
58 if ((*iocfn)(fd, SIOCIPFGET, &obj) == -1) {
59 ipf_perror_fd(fd, iocfn, "ioctl(SIOCIPFGET)");
60 return;
61 }
62 if (tu.ipft_cookie == NULL) {
63 fprintf(stderr, "Null cookie for %s\n", s);
64 return;
65 }
66
67 tu.ipft_name[sizeof(tu.ipft_name) - 1] = '\0';
68 printtunable(&tu);
69 }
70 }
71 }
72