Added support for JSON body processor

apache2/msc_json.h

@@ -0,0 +1,48 @@
+/*
+* ModSecurity for Apache 2.x, http://www.modsecurity.org/
+* Copyright (c) 2004-2011 Trustwave Holdings, Inc. (http://www.trustwave.com/)
+*
+* You may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* If any of the files related to licensing are missing or if you have any
+* other questions related to licensing please contact Trustwave Holdings, Inc.
+* directly using the email address security@modsecurity.org.
+*/
+
+#ifndef _MSC_JSON_H_
+#define _MSC_JSON_H_
+
+typedef struct json_data json_data;
+
+#include "modsecurity.h"
+#include <yajl/yajl_parse.h>
+
+/* Structures */
+struct json_data {
+    /* yajl configuration and parser state */
+    yajl_handle handle;
+    yajl_status status;
+
+    /* error reporting and JSON array flag */
+    unsigned char *yajl_error;
+
+    /* prefix is used to create data hierarchy (i.e., 'parent.child.value') */
+    unsigned char *prefix;
+    unsigned char *current_key;
+};
+
+/* Functions */
+
+int DSOLOCAL json_init(modsec_rec *msr, char **error_msg);
+
+int DSOLOCAL json_process(modsec_rec *msr, const char *buf,
+    unsigned int size, char **error_msg);
+
+int DSOLOCAL json_complete(modsec_rec *msr, char **error_msg);
+
+apr_status_t DSOLOCAL json_cleanup(modsec_rec *msr);
+
+#endif