URL_parser fixing allmetrics! (#6231)

* URL_parser fixing allmetrics!

* URL_parser fixing allmetrics 2!

web/api/exporters/allmetrics.c

@@ -26,13 +26,21 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
     const char *prometheus_prefix = global_backend_prefix;
 
     uint32_t end = w->total_params;
+    uint32_t i;
+    char sname[WEB_FIELDS_MAX];
+    char svalue[WEB_FIELDS_MAX];
     if (end) {
-        uint32_t i = 0;
+        i = 0;
         do {
             char *name = w->param_name[i].body;
             size_t lname = w->param_name[i].length;
+            sname[i] = name[lname];
+            name[lname] = 0x00;
+
             char *value = w->param_values[i].body;
             size_t lvalue = w->param_values[i].length;
+            svalue[i] = value[lvalue];
+            value[lvalue] = 0x00;
 
             if(!strncmp(name, "format",lname)) {
                 if(!strncmp(value, ALLMETRICS_FORMAT_SHELL,lvalue))
@@ -74,6 +82,7 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
     buffer_flush(w->response.data);
     buffer_no_cacheable(w->response.data);
 
+    int ret;
     switch(format) {
         case ALLMETRICS_JSON:
             w->response.data->contenttype = CT_APPLICATION_JSON;
@@ -95,7 +104,8 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
                     , prometheus_backend_options
                     , prometheus_output_options
             );
-            return 200;
+            ret = 200;
+            break;
 
         case ALLMETRICS_PROMETHEUS_ALL_HOSTS:
             w->response.data->contenttype = CT_PROMETHEUS;
@@ -107,11 +117,25 @@ inline int web_client_api_request_v1_allmetrics(RRDHOST *host, struct web_client
                     , prometheus_backend_options
                     , prometheus_output_options
             );
-            return 200;
+            ret = 200;
+            break;
 
         default:
             w->response.data->contenttype = CT_TEXT_PLAIN;
             buffer_strcat(w->response.data, "Which format? '" ALLMETRICS_FORMAT_SHELL "', '" ALLMETRICS_FORMAT_PROMETHEUS "', '" ALLMETRICS_FORMAT_PROMETHEUS_ALL_HOSTS "' and '" ALLMETRICS_FORMAT_JSON "' are currently supported.");
             return 400;
     }
+
+    i = 0;
+    do {
+        char *name = w->param_name[i].body;
+        size_t lname = w->param_name[i].length;
+        name[lname] = sname[i];
+
+        char *value = w->param_values[i].body;
+        size_t lvalue = w->param_values[i].length;
+        value[lvalue] = svalue[i];
+    } while( ++i < end);
+
+    return ret;
 }