#define V1STRING "Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since\n"
#define V2STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t)\n"
#define V3STRING "HEADER CLIENT_LIST Common Name Real Address Virtual Address Bytes Received Bytes Sent Connected Since Connected Since (time_t)\n"
+#define V4STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t),Username\n"
#define VSSTRING "OpenVPN STATISTICS\n"
MULTI1 = 1, /* status-version 1 */
MULTI2, /* status-version 2 */
MULTI3, /* status-version 3 */
+ MULTI4, /* status-version 4 */
SINGLE = 10 /* currently no versions for single mode, maybe in the future */
} version;
char *name;
} /* int openvpn_strsplit */
/* dispatches number of users */
-static void numusers_submit (char *pinst, char *tinst, gauge_t value)
+static void numusers_submit (const char *pinst, const char *tinst,
+ gauge_t value)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
plugin_dispatch_values (&vl);
} /* void numusers_submit */
-/* dispatches stats about traffic (TCP or UDP) generated by the tunnel per single endpoint */
-static void iostats_submit (char *pinst, char *tinst, derive_t rx, derive_t tx)
+/* dispatches stats about traffic (TCP or UDP) generated by the tunnel
+ * per single endpoint */
+static void iostats_submit (const char *pinst, const char *tinst,
+ derive_t rx, derive_t tx)
{
value_t values[2];
value_list_t vl = VALUE_LIST_INIT;
} /* void traffic_submit */
/* dispatches stats about data compression shown when in single mode */
-static void compression_submit (char *pinst, char *tinst,
+static void compression_submit (const char *pinst, const char *tinst,
derive_t uncompressed, derive_t compressed)
{
value_t values[2];
plugin_dispatch_values (&vl);
} /* void compression_submit */
-static int single_read (char *name, FILE *fh)
+static int single_read (const char *name, FILE *fh)
{
char buffer[1024];
char *fields[4];
} /* int single_read */
/* for reading status version 1 */
-static int multi1_read (char *name, FILE *fh)
+static int multi1_read (const char *name, FILE *fh)
{
char buffer[1024];
char *fields[10];
} /* int multi1_read */
/* for reading status version 2 */
-static int multi2_read (char *name, FILE *fh)
+static int multi2_read (const char *name, FILE *fh)
{
char buffer[1024];
char *fields[10];
} /* int multi2_read */
/* for reading status version 3 */
-static int multi3_read (char *name, FILE *fh)
+static int multi3_read (const char *name, FILE *fh)
{
char buffer[1024];
char *fields[15];
return (read);
} /* int multi3_read */
+/* for reading status version 4 */
+static int multi4_read (const char *name, FILE *fh)
+{
+ char buffer[1024];
+ char *fields[11];
+ const int max_fields = STATIC_ARRAY_SIZE (fields);
+ int fields_num, read = 0;
+ long long sum_users = 0;
+
+ while (fgets (buffer, sizeof (buffer), fh) != NULL)
+ {
+ fields_num = openvpn_strsplit (buffer, fields, max_fields);
+
+ /* status file is generated by openvpn/multi.c:multi_print_status()
+ * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/multi.c
+ *
+ * The line we're expecting has 9 fields. We ignore all lines
+ * with more or less fields.
+ */
+ if (fields_num != 9)
+ continue;
+
+
+ if (strcmp (fields[0], "CLIENT_LIST") != 0)
+ continue;
+
+
+ if (collect_user_count)
+ /* If so, sum all users, ignore the individuals*/
+ {
+ sum_users += 1;
+ }
+ if (collect_individual_users)
+ {
+ if (new_naming_schema)
+ {
+ /* plugin inst = file name, type inst = fields[1] */
+ iostats_submit (name, /* vpn instance */
+ fields[1], /* "Common Name" */
+ atoll (fields[4]), /* "Bytes Received" */
+ atoll (fields[5])); /* "Bytes Sent" */
+ }
+ else
+ {
+ /* plugin inst = fields[1], type inst = "" */
+ iostats_submit (fields[1], /* "Common Name" */
+ NULL, /* unused when in multimode */
+ atoll (fields[4]), /* "Bytes Received" */
+ atoll (fields[5])); /* "Bytes Sent" */
+ }
+ }
+
+ read = 1;
+ }
+
+ if (collect_user_count)
+ {
+ numusers_submit(name, name, sum_users);
+ read = 1;
+ }
+
+ return (read);
+} /* int multi4_read */
+
/* read callback */
static int openvpn_read (void)
{
/* call the right read function for every status entry in the list */
for (i = 0; i < vpn_num; i++)
{
+ int vpn_read = 0;
+
fh = fopen (vpn_list[i]->file, "r");
if (fh == NULL)
{
switch (vpn_list[i]->version)
{
case SINGLE:
- read = single_read(vpn_list[i]->name, fh);
+ vpn_read = single_read(vpn_list[i]->name, fh);
break;
case MULTI1:
- read = multi1_read(vpn_list[i]->name, fh);
+ vpn_read = multi1_read(vpn_list[i]->name, fh);
break;
case MULTI2:
- read = multi2_read(vpn_list[i]->name, fh);
+ vpn_read = multi2_read(vpn_list[i]->name, fh);
break;
case MULTI3:
- read = multi3_read(vpn_list[i]->name, fh);
+ vpn_read = multi3_read(vpn_list[i]->name, fh);
+ break;
+
+ case MULTI4:
+ vpn_read = multi4_read(vpn_list[i]->name, fh);
break;
}
fclose (fh);
+ read += vpn_read;
}
return (read ? 0 : -1);
version = MULTI3;
break;
}
+ /* searching for multi version 4 */
+ else if (strcmp (buffer, V4STRING) == 0)
+ {
+ DEBUG ("openvpn plugin: found status file version MULTI4");
+ version = MULTI4;
+ break;
+ }
}
if (version == 0)
char errbuf[1024];
ERROR ("openvpn plugin: malloc failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
+ sfree (status_file);
return (1);
}
temp->file = status_file;
if (vpn_list == NULL)
{
char errbuf[1024];
- ERROR ("openvpn plugin: malloc failed: %s",
+ ERROR ("openvpn plugin: realloc failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
sfree (temp->file);