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-rw-r--r--src/core/lib/security/util/json_util.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/core/lib/security/util/json_util.c b/src/core/lib/security/util/json_util.c
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+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/security/util/json_util.h"
+
+#include <string.h>
+
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+const char *grpc_json_get_string_property(const grpc_json *json,
+ const char *prop_name) {
+ grpc_json *child;
+ for (child = json->child; child != NULL; child = child->next) {
+ if (strcmp(child->key, prop_name) == 0) break;
+ }
+ if (child == NULL || child->type != GRPC_JSON_STRING) {
+ gpr_log(GPR_ERROR, "Invalid or missing %s property.", prop_name);
+ return NULL;
+ }
+ return child->value;
+}
+
+bool grpc_copy_json_string_property(const grpc_json *json,
+ const char *prop_name,
+ char **copied_value) {
+ const char *prop_value = grpc_json_get_string_property(json, prop_name);
+ if (prop_value == NULL) return false;
+ *copied_value = gpr_strdup(prop_value);
+ return true;
+}