X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fnginx.c;h=1cb7a90a13ad75f0405b4228eb589b984396b608;hb=aff80830f1154a5b6c4da16a0b1033aafde14e24;hp=283e8f6f3fa85ae2568aab63c45a170ed8ba35ca;hpb=d767db104769bed7fefea61538bdacb364434e9a;p=collectd.git diff --git a/src/nginx.c b/src/nginx.c index 283e8f6f..1cb7a90a 100644 --- a/src/nginx.c +++ b/src/nginx.c @@ -1,6 +1,7 @@ /** * 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 @@ -17,7 +18,8 @@ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: - * Florian octo Forster + * Florian octo Forster + * Sebastian Harl **/ #include "collectd.h" @@ -36,10 +38,9 @@ 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[] = { @@ -52,21 +53,24 @@ static const char *config_keys[] = }; 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); } @@ -122,7 +126,9 @@ static int init (void) 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); @@ -136,7 +142,9 @@ static int init (void) curl_easy_setopt (curl, CURLOPT_URL, url); } - if ((verify_peer == NULL) || (strcmp (verify_peer, "true") == 0)) + curl_easy_setopt (curl, CURLOPT_FOLLOWLOCATION, 1); + + if ((verify_peer == NULL) || IS_TRUE (verify_peer)) { curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 1); } @@ -145,7 +153,7 @@ static int init (void) curl_easy_setopt (curl, CURLOPT_SSL_VERIFYPEER, 0); } - if ((verify_host == NULL) || (strcmp (verify_host, "true") == 0)) + if ((verify_host == NULL) || IS_TRUE (verify_host)) { curl_easy_setopt (curl, CURLOPT_SSL_VERIFYHOST, 2); } @@ -170,24 +178,21 @@ static void submit (char *type, char *inst, long long value) 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)