Merge branch 'collectd-4.10' into collectd-5.3

[collectd.git] / src / curl_json.c

diff --git a/src/curl_json.c b/src/curl_json.c
index 19efc5d..a4afa02 100644 (file)
--- a/src/curl_json.c
+++ b/src/curl_json.c
@@ -48,10 +48,10 @@ struct cj_key_s;
 typedef struct cj_key_s cj_key_t;
 struct cj_key_s /* {{{ */
 {
+  unsigned long magic;
   char *path;
   char *type;
   char *instance;
-  unsigned long magic;
 };
 /* }}} */
 
@@ -67,6 +67,8 @@ struct cj_s /* {{{ */
   _Bool verify_peer;
   _Bool verify_host;
   char *cacert;
+  struct curl_slist *headers;
+  char *post_body;
 
   CURL *curl;
   char curl_errbuf[CURL_ERROR_SIZE];
@@ -367,6 +369,8 @@ static void cj_free (void *arg) /* {{{ */
   sfree (db->pass);
   sfree (db->credentials);
   sfree (db->cacert);
+  sfree (db->post_body);
+  curl_slist_free_all (db->headers);
 
   sfree (db);
 } /* }}} void cj_free */
@@ -378,6 +382,22 @@ static c_avl_tree_t *cj_avl_create(void)
   return c_avl_create ((int (*) (const void *, const void *)) strcmp);
 }
 
+static int cj_config_append_string (const char *name, struct curl_slist **dest, /* {{{ */
+    oconfig_item_t *ci)
+{
+  if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
+  {
+    WARNING ("curl_json plugin: `%s' needs exactly one string argument.", name);
+    return (-1);
+  }
+
+  *dest = curl_slist_append(*dest, ci->values[0].value.string);
+  if (*dest == NULL)
+    return (-1);
+
+  return (0);
+} /* }}} int cj_config_append_string */
+
 static int cj_config_add_key (cj_t *db, /* {{{ */
                                    oconfig_item_t *ci)
 {
@@ -480,6 +500,7 @@ static int cj_config_add_key (cj_t *db, /* {{{ */
         len = ptr-name;
         if (len == 0)
           break;
+        len = COUCH_MIN(len, sizeof (ent)-1);
         sstrncpy (ent, name, len+1);
 
         if (c_avl_get (tree, ent, (void *) &value) != 0)
@@ -547,6 +568,10 @@ static int cj_init_curl (cj_t *db) /* {{{ */
                     db->verify_host ? 2L : 0L);
   if (db->cacert != NULL)
     curl_easy_setopt (db->curl, CURLOPT_CAINFO, db->cacert);
+  if (db->headers != NULL)
+    curl_easy_setopt (db->curl, CURLOPT_HTTPHEADER, db->headers);
+  if (db->post_body != NULL)
+    curl_easy_setopt (db->curl, CURLOPT_POSTFIELDS, db->post_body);
 
   return (0);
 } /* }}} int cj_init_curl */
@@ -608,6 +633,10 @@ static int cj_config_add_url (oconfig_item_t *ci) /* {{{ */
       status = cf_util_get_boolean (child, &db->verify_host);
     else if (strcasecmp ("CACert", child->key) == 0)
       status = cf_util_get_string (child, &db->cacert);
+    else if (strcasecmp ("Header", child->key) == 0)
+      status = cj_config_append_string ("Header", &db->headers, child);
+    else if (strcasecmp ("Post", child->key) == 0)
+      status = cf_util_get_string (child, &db->post_body);
     else if (strcasecmp ("Key", child->key) == 0)
       status = cj_config_add_key (db, child);
     else
@@ -828,9 +857,18 @@ static int cj_read (user_data_t *ud) /* {{{ */
   return cj_curl_perform (db, db->curl);
 } /* }}} int cj_read */
 
+static int cj_init (void) /* {{{ */
+{
+  /* Call this while collectd is still single-threaded to avoid
+   * initialization issues in libgcrypt. */
+  curl_global_init (CURL_GLOBAL_SSL);
+  return (0);
+} /* }}} int cj_init */
+
 void module_register (void)
 {
   plugin_register_complex_config ("curl_json", cj_config);
+  plugin_register_init ("curl_json", cj_init);
 } /* void module_register */
 
 /* vim: set sw=2 sts=2 et fdm=marker : */