/* darkstat 3
- * copyright (c) 2001-2009 Emil Mikulic.
+ * copyright (c) 2001-2011 Emil Mikulic.
*
* hosts_db.c: database of hosts, ports, protocols.
*
* GNU General Public License version 2. (see COPYING.GPL)
*/
-#include "darkstat.h"
+#include "cdefs.h"
#include "conv.h"
#include "decode.h"
#include "dns.h"
#include "html.h"
#include "ncache.h"
#include "now.h"
+#include "opt.h"
#include "str.h"
-#include <arpa/inet.h> /* inet_aton() */
#include <netdb.h> /* struct addrinfo */
#include <assert.h>
#include <errno.h>
#include <string.h> /* memset(), strcmp() */
#include <unistd.h>
-extern int want_lastseen;
-int show_mac_addrs = 0;
-extern const char *interface;
+int hosts_db_show_macs = 0;
/* FIXME: specify somewhere more sane/tunable */
#define MAX_ENTRIES 30 /* in an HTML table rendered from a hashtable */
}
#ifndef s6_addr32
+# ifdef sun
+/*
+ * http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/netinet/in.h#130
+ */
+# define s6_addr32 _S6_un._S6_u32
+# else
/* Covers OpenBSD and FreeBSD. The macro __USE_GNU has
* taken care of GNU/Linux and GNU/kfreebsd. */
-# define s6_addr32 __u6_addr.__u6_addr32
+# define s6_addr32 __u6_addr.__u6_addr32
+# endif
#endif
/*
MAKE_BUCKET(b, h, host);
h->addr = CASTKEY(struct addr);
h->dns = NULL;
- h->last_seen = now;
+ h->lastseen = 0;
memset(&h->mac_addr, 0, sizeof(h->mac_addr));
h->ports_tcp = NULL;
h->ports_udp = NULL;
"<tr>\n"
" <th>IP</th>\n"
" <th>Hostname</th>\n");
- if (show_mac_addrs) str_append(buf,
+ if (hosts_db_show_macs) str_append(buf,
" <th>MAC Address</th>\n");
str_append(buf,
" <th><a href=\"?sort=in\">In</a></th>\n"
" <th><a href=\"?sort=out\">Out</a></th>\n"
" <th><a href=\"?sort=total\">Total</a></th>\n");
- if (want_lastseen) str_append(buf,
+ if (opt_want_lastseen) str_append(buf,
" <th><a href=\"?sort=lastseen\">Last seen</a></th>\n");
str_append(buf,
"</tr>\n");
str_appendf(buf,
"<tr class=\"%s\">\n"
- " <td><a href=\"/hosts/%s/\">%s</a></td>\n"
+ " <td><a href=\"./%s/\">%s</a></td>\n"
" <td>%s</td>\n",
css_class,
ip, ip,
(b->u.host.dns == NULL) ? "" : b->u.host.dns);
- if (show_mac_addrs)
+ if (hosts_db_show_macs)
str_appendf(buf,
" <td><tt>%x:%x:%x:%x:%x:%x</tt></td>\n",
b->u.host.mac_addr[0],
" <td class=\"num\">%'qu</td>\n",
b->in, b->out, b->total);
- if (want_lastseen) {
- time_t last_t = b->u.host.last_seen;
- struct str *lastseen = NULL;
+ if (opt_want_lastseen) {
+ time_t last_t = b->u.host.lastseen;
+ struct str *last_str = NULL;
- if (now >= last_t)
- lastseen = length_of_time(now - last_t);
+ if ((now >= last_t) && (last_t > 0))
+ last_str = length_of_time(now - last_t);
str_append(buf,
" <td class=\"num\">");
- if (lastseen == NULL)
- str_append(buf, "(clock error)");
- else {
- str_appendstr(buf, lastseen);
- str_free(lastseen);
+ if (last_str == NULL) {
+ if (last_t == 0)
+ str_append(buf, "(never)");
+ else
+ str_append(buf, "(clock error)");
+ } else {
+ str_appendstr(buf, last_str);
+ str_free(last_str);
}
str_append(buf,
"</td>");
hosts_db_init(void)
{
assert(hosts_db == NULL);
- hosts_db = hashtable_make(HOST_BITS, hosts_max, hosts_keep,
+ hosts_db = hashtable_make(HOST_BITS, opt_hosts_max, opt_hosts_keep,
hash_func_host, free_func_host, key_func_host, find_func_host,
make_func_host, format_cols_host, format_row_host);
}
struct host *h = &host->u.host;
assert(h != NULL);
if (h->ports_tcp == NULL)
- h->ports_tcp = hashtable_make(PORT_BITS, ports_max, ports_keep,
+ h->ports_tcp = hashtable_make(PORT_BITS, opt_ports_max, opt_ports_keep,
hash_func_short, free_func_simple, key_func_port_tcp,
find_func_port_tcp, make_func_port_tcp,
format_cols_port_tcp, format_row_port_tcp);
struct host *h = &host->u.host;
assert(h != NULL);
if (h->ports_udp == NULL)
- h->ports_udp = hashtable_make(PORT_BITS, ports_max, ports_keep,
+ h->ports_udp = hashtable_make(PORT_BITS, opt_ports_max, opt_ports_keep,
hash_func_short, free_func_simple, key_func_port_udp,
find_func_port_udp, make_func_port_udp,
format_cols_port_udp, format_row_port_udp);
struct str *
html_hosts(const char *uri, const char *query)
{
- int i, num_elems;
+ unsigned int i, num_elems;
char **elem = split('/', uri, &num_elems);
struct str *buf = NULL;
* Format hashtable into HTML.
*/
static void
-format_table(struct str *buf, struct hashtable *ht, int start,
+format_table(struct str *buf, struct hashtable *ht, unsigned int start,
const enum sort_dir sort, const int full)
{
const struct bucket **table;
- uint32_t i, pos, end;
+ unsigned int i, pos, end;
int alt = 0;
if ((ht == NULL) || (ht->count == 0)) {
start = 0;
end = ht->count;
} else
- end = min(ht->count, (uint32_t)start+MAX_ENTRIES);
+ end = MIN(ht->count, (uint32_t)start+MAX_ENTRIES);
- str_appendf(buf, "(%u-%u of %u)<br/>\n", start+1, end, ht->count);
+ str_appendf(buf, "(%u-%u of %u)<br>\n", start+1, end, ht->count);
qsort_buckets(table, ht->count, start, end, sort);
ht->format_cols_func(buf);
#define NEXT "next page >>>"
#define FULL "full table"
- html_open(buf, "Hosts", interface, NULL);
+ html_open(buf, "Hosts", /*path_depth=*/1, /*want_graph_js=*/0);
format_table(buf, hosts_db, start, sort, full);
/* <prev | full | stats | next> */
sortstr = qs_sort;
if (sortstr == NULL) sortstr = "total";
if (start > 0) {
- int prev = max(start - MAX_ENTRIES, 0);
+ int prev = start - MAX_ENTRIES;
+ if (prev < 0)
+ prev = 0;
str_appendf(buf, "<a href=\"?start=%d&sort=%s\">" PREV "</a>",
prev, sortstr);
} else
else
str_append(buf, " | " NEXT);
- str_append(buf, "<br/>\n");
+ str_append(buf, "<br>\n");
html_close(buf);
done:
/* Overview. */
buf = str_make();
- html_open(buf, ip, interface, NULL);
+ html_open(buf, ip, /*path_depth=*/2, /*want_graph_js=*/0);
if (strcmp(ip, canonical) != 0)
str_appendf(buf, "(canonically <b>%s</b>)\n", canonical);
str_appendf(buf,
"<p>\n"
- "<b>Hostname:</b> %s<br/>\n",
+ "<b>Hostname:</b> %s<br>\n",
(h->u.host.dns == NULL)?"(resolving...)":h->u.host.dns);
/* Resolve host "on demand" */
if (h->u.host.dns == NULL)
dns_queue(&(h->u.host.addr));
- if (show_mac_addrs)
+ if (hosts_db_show_macs)
str_appendf(buf,
"<b>MAC Address:</b> "
- "<tt>%x:%x:%x:%x:%x:%x</tt><br/>\n",
+ "<tt>%x:%x:%x:%x:%x:%x</tt><br>\n",
h->u.host.mac_addr[0],
h->u.host.mac_addr[1],
h->u.host.mac_addr[2],
"<p>\n"
"<b>Last seen:</b> ");
- ls = h->u.host.last_seen;
+ ls = h->u.host.lastseen;
if (strftime(ls_when, sizeof(ls_when),
"%Y-%m-%d %H:%M:%S %Z%z", localtime(&ls)) != 0)
str_append(buf, ls_when);
- if (h->u.host.last_seen <= now) {
- ls_len = length_of_time(now - h->u.host.last_seen);
+ if (h->u.host.lastseen <= now) {
+ ls_len = length_of_time(now - h->u.host.lastseen);
str_append(buf, " (");
str_appendstr(buf, ls_len);
str_free(ls_len);
str_appendf(buf,
"</p>\n"
"<p>\n"
- " <b>In:</b> %'qu<br/>\n"
- " <b>Out:</b> %'qu<br/>\n"
- " <b>Total:</b> %'qu<br/>\n"
+ " <b>In:</b> %'qu<br>\n"
+ " <b>Out:</b> %'qu<br>\n"
+ " <b>Total:</b> %'qu<br>\n"
"</p>\n",
h->in, h->out, h->total);
/* ---------------------------------------------------------------------------
* Database import and export code:
* Initially written and contributed by Ben Stewart.
- * copyright (c) 2007 Ben Stewart, Emil Mikulic.
+ * copyright (c) 2007-2011 Ben Stewart, Emil Mikulic.
*/
static int hosts_db_export_ip(const struct hashtable *h, const int fd);
static int hosts_db_export_tcp(const struct hashtable *h, const int fd);
if (ver > 1) {
uint64_t t;
if (!read64(fd, &t)) return 0;
- host->u.host.last_seen = (time_t)t;
+ host->u.host.lastseen = (time_t)t;
}
assert(sizeof(host->u.host.mac_addr) == 6);
if (!writeaddr(fd, &(b->u.host.addr))) return 0;
- if (!write64(fd, (uint64_t)(b->u.host.last_seen))) return 0;
+ if (!write64(fd, (uint64_t)(b->u.host.lastseen))) return 0;
assert(sizeof(b->u.host.mac_addr) == 6);
if (!writen(fd, b->u.host.mac_addr, sizeof(b->u.host.mac_addr)))
projects / darkstat / blobdiff