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@@ -27,7 +27,7 @@
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#include "libgluonutil.h"
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#include <json-c/json.h>
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-
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+#include <arpa/inet.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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@@ -109,6 +109,38 @@ struct json_object * gluonutil_wrap_and_free_string(char *str) {
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return ret;
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}
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+
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+bool gluonutil_get_node_prefix6(struct in6_addr *prefix) {
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+ struct json_object *site = gluonutil_load_site_config();
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+ if (!site)
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+ return false;
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+
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+ struct json_object *node_prefix = NULL;
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+ if (!json_object_object_get_ex(site, "node_prefix6", &node_prefix)) {
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+ json_object_put(site);
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+ return false;
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+ }
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+
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+ const char *str_prefix = json_object_get_string(node_prefix);
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+ if (!str_prefix) {
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+ json_object_put(site);
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+ return false;
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+ }
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+
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+ char *prefix_addr = strndup(str_prefix, strchrnul(str_prefix, '/')-str_prefix);
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+
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+ int ret = inet_pton(AF_INET6, prefix_addr, prefix);
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+
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+ free(prefix_addr);
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+ json_object_put(site);
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+
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+ if (ret != 1)
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+ return false;
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+
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+ return true;
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+}
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+
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+
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struct json_object * gluonutil_load_site_config(void) {
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return json_object_from_file("/lib/gluon/site.json");
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}
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