Add some missing files.

alp2/alp2_pp.h

@@ -0,0 +1,129 @@
+/*
+ * ModSecurity for Apache 2.x, http://www.modsecurity.org/
+ * Copyright (c) 2004-2009 Breach Security, Inc. (http://www.breach.com/)
+ *
+ * This product is released under the terms of the General Public Licence,
+ * version 2 (GPLv2). Please refer to the file LICENSE (included with this
+ * distribution) which contains the complete text of the licence.
+ *
+ * There are special exceptions to the terms and conditions of the GPL
+ * as it is applied to this software. View the full text of the exception in
+ * file MODSECURITY_LICENSING_EXCEPTION in the directory of this software
+ * distribution.
+ *
+ * If any of the files related to licensing are missing or if you have any
+ * other questions related to licensing please contact Breach Security, Inc.
+ * directly using the email address support@breach.com.
+ *
+ */
+
+#ifndef _ALP2_LL_H_
+#define _ALP2_LL_H_
+
+#include <apr_general.h>
+#include <apr_md5.h>
+#include <apr_strings.h>
+#include <apr_tables.h>
+#include <apr_md5.h>
+
+/* -- Constants -- */
+
+#define ALP2_MAX_LINE_SIZE 16384
+
+#define ALP2_ERROR_INCORRECT_STATE  -1001
+#define ALP2_ERROR_FATAL            -1002
+
+#define ALP2_DONE       0
+#define ALP2_NEED_DATA  1
+
+#define ALP2_EVENT_ENTRY_START          1
+#define ALP2_EVENT_ENTRY_END            2
+#define ALP2_EVENT_PART_START           3
+#define ALP2_EVENT_PART_END             4
+#define ALP2_EVENT_PART_DATA            5
+
+
+/* -- Data structures -- */
+
+typedef struct alp2_pp_part_t alp2_pp_part_t;
+
+struct alp2_pp_part_t {
+    int id; // XXX int here but unsigned int other places???
+    
+    /* Relative to the beginning of the entry, not
+     * including the boundary lines. Just content.
+     */
+    size_t offset;
+    
+    size_t size;
+};
+
+typedef struct alp2_pp_entry_t alp2_pp_entry_t;
+
+struct alp2_pp_entry_t {
+    apr_pool_t *mp;
+    apr_array_header_t *parts;
+    
+    /* Entry offset and size include 
+     * the delimiting boundaries. 
+     */
+    size_t offset;
+    size_t size;
+
+    const char *boundary;
+
+    apr_md5_ctx_t *md5_context;
+    uint8_t md5_digest[APR_MD5_DIGESTSIZE];
+};
+
+typedef struct alp2_pp_t alp2_pp_t;
+
+struct alp2_pp_t {
+    void *user_data;
+    int (*callback)(alp2_pp_t *alp, int event_type);
+
+    /* The memory pool used during the parsing of
+     * individual audit log entries. Cleared between
+     * entries.
+     */
+    apr_pool_t *mp;
+
+    unsigned int errored;
+    unsigned int done;
+    
+    const char *boundary;
+    char *last_processed_part;
+    char *current_line;
+    
+    /* The number of bytes processed since
+     * the beginning or the last reset.
+     */
+    size_t current_offset;
+    
+    const char *input_buf;
+    size_t input_len;
+    size_t input_pos;
+
+    char *line_buf;
+    size_t line_pos;
+    size_t line_size;
+    unsigned int line_has_start;
+    size_t line_offset;
+    
+    alp2_pp_part_t *current_part;
+    alp2_pp_entry_t *current_entry;
+};
+
+
+/* Functions. */
+
+int alp2_pp_init(alp2_pp_t *alp_pp, void *user_data,
+    int (*callback)(alp2_pp_t *alp, int event_type), apr_pool_t *mp);
+
+int alp2_pp_process(alp2_pp_t *alp_pp, const char *data, size_t len);
+
+void alp2_pp_terminate(alp2_pp_t *alp_pp);
+
+char *alp2_pp_line_chomp(alp2_pp_t *alp_pp);
+
+#endif