/**
* collectd - src/nginx.c
- * Copyright (C) 2006,2007 Florian octo Forster
+ * Copyright (C) 2006-2010 Florian octo Forster
+ * Copyright (C) 2008 Sebastian Harl
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
- * Florian octo Forster <octo at verplant.org>
+ * Florian octo Forster <octo at collectd.org>
+ * Sebastian Harl <sh at tokkee.org>
**/
#include "collectd.h"
#include <curl/curl.h>
-static char *url = NULL;
-static char *user = NULL;
-static char *pass = NULL;
-static char *cacert = NULL;
+static char *url = NULL;
+static char *user = NULL;
+static char *pass = NULL;
+static char *verify_peer = NULL;
+static char *verify_host = NULL;
+static char *cacert = NULL;
static CURL *curl = NULL;
-#define ABUFFER_SIZE 16384
-static char nginx_buffer[ABUFFER_SIZE];
-static int nginx_buffer_len = 0;
-static char nginx_curl_error[CURL_ERROR_SIZE];
+static char nginx_buffer[16384];
+static size_t nginx_buffer_len = 0;
+static char nginx_curl_error[CURL_ERROR_SIZE];
static const char *config_keys[] =
{
"URL",
"User",
"Password",
+ "VerifyPeer",
+ "VerifyHost",
"CACert"
};
static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
-static size_t nginx_curl_callback (void *buf, size_t size, size_t nmemb, void *stream)
+static size_t nginx_curl_callback (void *buf, size_t size, size_t nmemb,
+ void __attribute__((unused)) *stream)
{
size_t len = size * nmemb;
- if ((nginx_buffer_len + len) >= ABUFFER_SIZE)
+ /* Check if the data fits into the memory. If not, truncate it. */
+ if ((nginx_buffer_len + len) >= sizeof (nginx_buffer))
{
- len = (ABUFFER_SIZE - 1) - nginx_buffer_len;
+ assert (sizeof (nginx_buffer) > nginx_buffer_len);
+ len = (sizeof (nginx_buffer) - 1) - nginx_buffer_len;
}
if (len <= 0)
return (len);
- memcpy (nginx_buffer + nginx_buffer_len, (char *) buf, len);
+ memcpy (&nginx_buffer[nginx_buffer_len], buf, len);
nginx_buffer_len += len;
- nginx_buffer[nginx_buffer_len] = '\0';
+ nginx_buffer[nginx_buffer_len] = 0;
return (len);
}
return (config_set (&user, value));
else if (strcasecmp (key, "password") == 0)
return (config_set (&pass, value));
+ else if (strcasecmp (key, "verifypeer") == 0)
+ return (config_set (&verify_peer, value));
+ else if (strcasecmp (key, "verifyhost") == 0)
+ return (config_set (&verify_host, value));
else if (strcasecmp (key, "cacert") == 0)
return (config_set (&cacert, value));
else
return (-1);
}
+ curl_easy_setopt (curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt (curl, CURLOPT_WRITEFUNCTION, nginx_curl_callback);
curl_easy_setopt (curl, CURLOPT_USERAGENT, PACKAGE_NAME"/"PACKAGE_VERSION);
curl_easy_setopt (curl, CURLOPT_ERRORBUFFER, nginx_curl_error);
if (user != NULL)
{
- if (snprintf (credentials, 1024, "%s:%s", user, pass == NULL ? "" : pass) >= 1024)
+ int status = ssnprintf (credentials, sizeof (credentials),
+ "%s:%s", user, pass == NULL ? "" : pass);
+ if ((status < 0) || ((size_t) status >= sizeof (credentials)))
{
ERROR ("nginx plugin: Credentials would have been truncated.");
return (-1);
curl_easy_setopt (curl, CURLOPT_URL, url);
}
+ curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1);
+
+ if ((verify_peer == NULL) || IS_TRUE (verify_peer))
+ {
+ curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 1);
+ }
+ else
+ {
+ curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 0);
+ }
+
+ if ((verify_host == NULL) || IS_TRUE (verify_host))
+ {
+ curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 2);
+ }
+ else
+ {
+ curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 0);
+ }
+
if (cacert != NULL)
{
curl_easy_setopt (curl, CURLOPT_CAINFO, cacert);
if (strcmp (type, "nginx_connections") == 0)
values[0].gauge = value;
else if (strcmp (type, "nginx_requests") == 0)
- values[0].counter = value;
+ values[0].derive = value;
else
return;
vl.values = values;
vl.values_len = 1;
- vl.time = time (NULL);
sstrncpy (vl.host, hostname_g, sizeof (vl.host));
sstrncpy (vl.plugin, "nginx", sizeof (vl.plugin));
sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, type, sizeof (vl.type));
if (inst != NULL)
- {
- strncpy (vl.type_instance, inst, sizeof (vl.type_instance));
- vl.type_instance[sizeof (vl.type_instance) - 1] = '\0';
- }
+ sstrncpy (vl.type_instance, inst, sizeof (vl.type_instance));
- plugin_dispatch_values (type, &vl);
+ plugin_dispatch_values (&vl);
} /* void submit */
static int nginx_read (void)