mirror of
https://github.com/owasp-modsecurity/ModSecurity.git
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165 lines
3.7 KiB
C
165 lines
3.7 KiB
C
/*
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* ModSecurity for Apache 2.x, http://www.modsecurity.org/
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* Copyright (c) 2004-2013 Trustwave Holdings, Inc. (http://www.trustwave.com/)
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*
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* You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* If any of the files related to licensing are missing or if you have any
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* other questions related to licensing please contact Trustwave Holdings, Inc.
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* directly using the email address security@modsecurity.org.
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*/
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#ifndef _ALP2_H_
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#define _ALP2_H_
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#include <apr_time.h>
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#include <apr_uri.h>
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#include "alp2_pp.h"
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#include "pcre.h"
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/* -- Data structures -- */
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typedef struct alp2_msg_t alp2_msg_t;
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struct alp2_msg_t {
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const char *engine_message;
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const char *target;
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const char *id;
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const char *rev;
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const char *msg;
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const char *data;
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const char *file;
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unsigned long file_line;
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size_t offset;
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int severity;
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int warning;
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apr_array_header_t *tags;
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};
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typedef struct auditlog2_t auditlog2_t;
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struct auditlog2_t {
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apr_pool_t *mp;
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/* Transaction data */
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const char *id;
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apr_time_t timestamp;
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unsigned int duration;
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const char *src_ip;
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unsigned int src_port;
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const char *dst_ip;
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unsigned int dst_port;
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/* Request */
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unsigned int request_line_valid;
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const char *request_line;
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const char *request_method;
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const char *request_uri;
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apr_uri_t *parsed_uri;
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const char *request_protocol;
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apr_table_t *request_headers;
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/* Determine the hostname: The hostname from the URI is
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* used where present, otherwise the value of the Host
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* request header is used.
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*
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* If neither of these two is available we will use the
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* combination of the destination IP and port as hostname.
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*
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* The resulting hostname may have the port attached.
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*/
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const char *hostname;
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/* Response */
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const char *response_protocol;
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unsigned int response_status;
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const char *response_message;
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apr_table_t *response_headers;
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const char *response_tfn;
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/* Other */
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apr_table_t *trailer_headers;
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unsigned int was_intercepted;
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unsigned int intercept_phase; /* -1 if interception did not happen */
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const char *producer;
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const char *server;
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const char *handler;
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const char *application_id;
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const char *session_id;
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const char *user_id;
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apr_array_header_t *messages;
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alp2_pp_entry_t *pp_entry;
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};
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typedef struct alp2_t alp2_t;
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struct alp2_t {
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apr_pool_t *mp;
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void *user_data;
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int (*user_callback)(alp2_t *alp);
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alp2_pp_t *pp;
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unsigned int previous_part_id;
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unsigned int part_line_counter;
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unsigned int part_data_done;
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unsigned int seen_part_h;
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unsigned int done;
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unsigned int parse_error;
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apr_array_header_t *errors;
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/* Regular expression patterns. */
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// TODO All these need reviewing
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pcre *part_a_pattern;
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pcre *request_line_pattern;
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pcre *header_pattern;
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pcre *response_line_pattern;
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pcre *trailer_action_pattern;
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pcre *trailer_stopwatch_pattern;
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pcre *trailer_webappinfo_pattern;
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auditlog2_t *auditlog;
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};
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/* Higher-level (user) parser. */
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/* NOTE Parser will create a subpool for its own use, but each
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* entry will be created in a separate subpool directly
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* under the main pool. This allows the created audit log
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* entries to survive the death of the parser.
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*/
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/* -- Functions -- */
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int alp2_create(alp2_t **_alp, apr_pool_t *mp,
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void *user_data, int (*user_callback)(alp2_t *alp));
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int alp2_process(alp2_t *alp, const char *data, size_t len);
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void alp2_destroy(alp2_t *alp);
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auditlog2_t *alp2_auditlog_create(apr_pool_t *mp);
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void alp2_auditlog_destroy(auditlog2_t *al);
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#endif
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