* Florian octo Forster <octo at verplant.org>
**/
+/**
+ * Code within `__OpenBSD__' blocks is provided under the following license:
+ *
+ * $collectd: parts of tcpconns.c, 2008/08/08 03:48:30 Michael Stapelberg $
+ * $OpenBSD: inet.c,v 1.100 2007/06/19 05:28:30 ray Exp $
+ * $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej Exp $
+ *
+ * Copyright (c) 1983, 1988, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
#include "collectd.h"
#include "common.h"
#include "plugin.h"
-#if !KERNEL_LINUX && !HAVE_SYSCTLBYNAME
+#if !KERNEL_LINUX && !HAVE_SYSCTLBYNAME && !__OpenBSD__
# error "No applicable input method."
#endif
# include <netinet/tcpip.h>
# include <netinet/tcp_seq.h>
# include <netinet/tcp_var.h>
-#endif /* HAVE_SYSCTLBYNAME */
+/* #endif HAVE_SYSCTLBYNAME */
+
+#elif __OpenBSD__
+# include <sys/queue.h>
+# include <sys/socket.h>
+# include <net/route.h>
+# include <netinet/in.h>
+# include <netinet/in_systm.h>
+# include <netinet/ip.h>
+# include <netinet/in_pcb.h>
+# include <netinet/tcp.h>
+# include <netinet/tcp_timer.h>
+# include <netinet/tcp_var.h>
+# include <netdb.h>
+# include <arpa/inet.h>
+# include <nlist.h>
+# include <kvm.h>
+#endif /* __OpenBSD__ */
#if KERNEL_LINUX
static const char *tcp_state[] =
# define TCP_STATE_LISTEN 1
# define TCP_STATE_MIN 0
# define TCP_STATE_MAX 10
-#endif /* HAVE_SYSCTLBYNAME */
+/* #endif HAVE_SYSCTLBYNAME */
+
+#elif __OpenBSD__
+static const char *tcp_state[] =
+{
+ "CLOSED",
+ "LISTEN",
+ "SYN_SENT",
+ "SYN_RCVD",
+ "ESTABLISHED",
+ "CLOSE_WAIT",
+ "FIN_WAIT_1",
+ "CLOSING",
+ "LAST_ACK",
+ "FIN_WAIT_2",
+ "TIME_WAIT"
+};
+
+static kvm_t *kvmd;
+
+static struct nlist nl[] = {
+#define N_MBSTAT 0
+ { "_mbstat" },
+#define N_IPSTAT 1
+ { "_ipstat" },
+#define N_TCBTABLE 2
+ { "_tcbtable" },
+#define N_TCPSTAT 3
+ { "_tcpstat" },
+#define N_UDBTABLE 4
+ { "_udbtable" },
+#define N_UDPSTAT 5
+ { "_udpstat" },
+#define N_IFNET 6
+ { "_ifnet" },
+#define N_ICMPSTAT 7
+ { "_icmpstat" },
+#define N_RTSTAT 8
+ { "_rtstat" },
+#define N_UNIXSW 9
+ { "_unixsw" },
+#define N_RTREE 10
+ { "_rt_tables"},
+#define N_FILE 11
+ { "_file" },
+#define N_IGMPSTAT 12
+ { "_igmpstat" },
+#define N_MRTPROTO 13
+ { "_ip_mrtproto" },
+#define N_MRTSTAT 14
+ { "_mrtstat" },
+#define N_MFCHASHTBL 15
+ { "_mfchashtbl" },
+#define N_MFCHASH 16
+ { "_mfchash" },
+ { "_viftable" },
+#define N_AHSTAT 18
+ { "_ahstat"},
+#define N_ESPSTAT 19
+ { "_espstat"},
+#define N_IP4STAT 20
+ { "_ipipstat"},
+#define N_DDPSTAT 21
+ { "_ddpstat"},
+#define N_DDPCB 22
+ { "_ddpcb"},
+#define N_ETHERIPSTAT 23
+ { "_etheripstat"},
+#define N_IP6STAT 24
+ { "_ip6stat" },
+#define N_ICMP6STAT 25
+ { "_icmp6stat" },
+#define N_PIM6STAT 26
+ { "_pim6stat" },
+#define N_MRT6PROTO 27
+ { "_ip6_mrtproto" },
+#define N_MRT6STAT 28
+ { "_mrt6stat" },
+#define N_MF6CTABLE 29
+ { "_mf6ctable" },
+#define N_MIF6TABLE 30
+ { "_mif6table" },
+#define N_MBPOOL 31
+ { "_mbpool" },
+#define N_MCLPOOL 32
+ { "_mclpool" },
+#define N_IPCOMPSTAT 33
+ { "_ipcompstat" },
+#define N_RIP6STAT 34
+ { "_rip6stat" },
+#define N_CARPSTAT 35
+ { "_carpstats" },
+#define N_RAWIPTABLE 36
+ { "_rawcbtable" },
+#define N_RAWIP6TABLE 37
+ { "_rawin6pcbtable" },
+#define N_PFSYNCSTAT 38
+ { "_pfsyncstats" },
+#define N_PIMSTAT 39
+ { "_pimstat" },
+#define N_AF2RTAFIDX 40
+ { "_af2rtafidx" },
+#define N_RTBLIDMAX 41
+ { "_rtbl_id_max" },
+#define N_RTMASK 42
+ { "_mask_rnhead" },
+
+ { "" }
+};
+
+# define TCP_STATE_LISTEN 1
+# define TCP_STATE_MIN 1
+# define TCP_STATE_MAX 10
+#endif /* __OpenBSD__ */
#define PORT_COLLECT_LOCAL 0x01
#define PORT_COLLECT_REMOTE 0x02
return (0);
} /* int conn_read */
-#endif /* HAVE_SYSCTLBYNAME */
+/* #endif HAVE_SYSCTLBYNAME */
+
+#elif __OpenBSD__
+static int kread(u_long addr, void *buf, int size)
+{
+ if (kvm_read(kvmd, addr, buf, size) != size)
+ {
+ ERROR ("tcpconns plugin: %s\n", kvm_geterr(kvmd));
+ return (-1);
+ }
+ return (0);
+}
+
+static int conn_init (void)
+{
+ char buf[_POSIX2_LINE_MAX];
+ if ((kvmd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, buf)) == NULL)
+ {
+ ERROR("tcpconns plugin: %s", buf);
+ return (-1);
+ }
+ if (kvm_nlist(kvmd, nl) < 0 || nl[0].n_type == 0)
+ {
+ ERROR("tcpconns plugin: No namelist.");
+ return (-1);
+ }
+ return (0);
+}
+
+static int conn_read (void)
+{
+ u_long off = nl[2].n_value;
+ struct inpcbtable table;
+ struct inpcb *head, *next, *prev;
+ struct inpcb inpcb;
+ struct tcpcb tcpcb;
+
+ conn_reset_port_entry ();
+
+ kread(off, &table, sizeof(table));
+ prev = head = (struct inpcb *)&CIRCLEQ_FIRST(&((struct inpcbtable *)off)->inpt_queue);
+ next = CIRCLEQ_FIRST(&table.inpt_queue);
+
+ while (next != head) {
+ kread((u_long)next, &inpcb, sizeof(inpcb));
+ prev = next;
+ next = CIRCLEQ_NEXT(&inpcb, inp_queue);
+ if (inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
+ continue;
+ kread((u_long)inpcb.inp_ppcb, &tcpcb, sizeof(tcpcb));
+ conn_handle_ports (ntohs(inpcb.inp_lport), ntohs(inpcb.inp_fport), tcpcb.t_state);
+ }
+
+ conn_submit_all ();
+
+ return (0);
+}
+#endif /* __OpenBSD__ */
void module_register (void)
{
config_keys, config_keys_num);
#if KERNEL_LINUX
plugin_register_init ("tcpconns", conn_init);
+#elif HAVE_SYSCTLBYNAME
+ /* no initialization */
+#elif __OpenBSD__
+ plugin_register_init ("tcpconns", conn_init);
#endif
plugin_register_read ("tcpconns", conn_read);
} /* void module_register */
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