1 /*
2 * Copyright (c) 2010 Pierre-Yves Ritschard <pyr@openbsd.org>
3 * Copyright (c) 2011 Stefan Rinkes <stefan.rinkes@gmail.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
18 #include "pfcommon.h"
20 static int pf_init(void);
21 static int pf_read(void);
22 static void submit_counter(const char *, const char *, counter_t);
24 void
25 submit_counter(const char *type, const char *inst, counter_t val)
26 {
27 #ifndef TEST
28 value_t values[1];
29 value_list_t vl = VALUE_LIST_INIT;
31 values[0].counter = val;
33 vl.values = values;
34 vl.values_len = 1;
35 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
36 sstrncpy (vl.plugin, "pf", sizeof (vl.plugin));
37 sstrncpy (vl.type, type, sizeof(vl.type));
38 sstrncpy (vl.type_instance, inst, sizeof(vl.type_instance));
39 plugin_dispatch_values(&vl);
40 #else
41 printf("%s.%s: %lld\n", type, inst, val);
42 #endif
43 }
46 int
47 pf_init(void)
48 {
49 struct pf_status status;
51 if ((dev = open(PF_SOCKET, O_RDONLY)) == -1) {
52 return (-1);
53 }
54 if (ioctl(dev, DIOCGETSTATUS, &status) == -1) {
55 return (-1);
56 }
58 close(dev);
59 if (!status.running)
60 return (-1);
62 return (0);
63 }
65 int
66 pf_read(void)
67 {
68 int i;
69 struct pf_status status;
71 char *cnames[] = PFRES_NAMES;
72 char *lnames[] = LCNT_NAMES;
73 char *names[] = { "searches", "inserts", "removals" };
75 if ((dev = open(PF_SOCKET, O_RDONLY)) == -1) {
76 return (-1);
77 }
78 if (ioctl(dev, DIOCGETSTATUS, &status) == -1) {
79 return (-1);
80 }
82 close(dev);
83 for (i = 0; i < PFRES_MAX; i++)
84 submit_counter("pf_counters", cnames[i], status.counters[i]);
85 for (i = 0; i < LCNT_MAX; i++)
86 submit_counter("pf_limits", lnames[i], status.lcounters[i]);
87 for (i = 0; i < FCNT_MAX; i++)
88 submit_counter("pf_state", names[i], status.fcounters[i]);
89 for (i = 0; i < SCNT_MAX; i++)
90 submit_counter("pf_source", names[i], status.scounters[i]);
91 return (0);
92 }
94 #ifdef TEST
95 int
96 main(int argc, char *argv[])
97 {
98 if (pf_init())
99 err(1, "pf_init");
100 if (pf_read())
101 err(1, "pf_read");
102 return (0);
103 }
104 #else
105 void module_register(void) {
106 plugin_register_init("pf", pf_init);
107 plugin_register_read("pf", pf_read);
108 }
109 #endif