/* sys/socket.h is necessary to compile when using netlink on older systems. */
# include <sys/socket.h>
# include <linux/netlink.h>
+#if HAVE_LINUX_INET_DIAG_H
# include <linux/inet_diag.h>
+#endif
# include <sys/socket.h>
# include <arpa/inet.h>
/* #endif KERNEL_LINUX */
#endif /* KERNEL_AIX */
#if KERNEL_LINUX
+#if HAVE_STRUCT_LINUX_INET_DIAG_REQ
struct nlreq {
struct nlmsghdr nlh;
struct inet_diag_req r;
};
+#endif
static const char *tcp_state[] =
{
static int port_collect_listening = 0;
static port_entry_t *port_list_head = NULL;
+#if KERNEL_LINUX
+#if HAVE_STRUCT_LINUX_INET_DIAG_REQ
+/* This depends on linux inet_diag_req because if this structure is missing,
+ * sequence_number is useless and we get a compilation warning.
+ */
static uint32_t sequence_number = 0;
+#endif
-#if KERNEL_LINUX
enum
{
SRC_DUNNO,
/* If this entry was created while reading the files (ant not when handling
* the configuration) remove it now. */
if ((pe->flags & (PORT_COLLECT_LOCAL
- | PORT_COLLECT_REMOTE
- | PORT_IS_LISTENING)) == 0)
+ | PORT_COLLECT_REMOTE
+ | PORT_IS_LISTENING)) == 0)
{
port_entry_t *next = pe->next;
DEBUG ("tcpconns plugin: Removing temporary entry "
- "for listening port %"PRIu16, pe->port);
+ "for listening port %"PRIu16, pe->port);
if (prev == NULL)
- port_list_head = next;
+ port_list_head = next;
else
- prev->next = next;
+ prev->next = next;
sfree (pe);
pe = next;
memset (pe->count_remote, '\0', sizeof (pe->count_remote));
pe->flags &= ~PORT_IS_LISTENING;
+ prev = pe;
pe = pe->next;
}
} /* void conn_reset_port_entry */
* zero on other errors. */
static int conn_read_netlink (void)
{
+#if HAVE_STRUCT_LINUX_INET_DIAG_REQ
int fd;
struct sockaddr_nl nladdr;
struct nlreq req;
/* Not reached because the while() loop above handles the exit condition. */
return (0);
+#else
+ return (1);
+#endif /* HAVE_STRUCT_LINUX_INET_DIAG_REQ */
} /* int conn_read_netlink */
static int conn_handle_line (char *buffer)