Adding upstream version 1:0.5.47.upstream/1%0.5.47

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 184 insertions, 0 deletions

diff --git a/htp/htp_table.h b/htp/htp_table.h
new file mode 100644
index 0000000..70a1e9b
--- /dev/null
+++ b/htp/htp_table.h
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+/***************************************************************************
+ * Copyright (c) 2009-2010 Open Information Security Foundation
+ * Copyright (c) 2010-2013 Qualys, 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 the Qualys, 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
+ * HOLDER 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.
+ ***************************************************************************/
+
+/**
+ * @file
+ * @author Ivan Ristic <ivanr@webkreator.com>
+ */
+
+#ifndef HTP_TABLE_H
+#define	HTP_TABLE_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct htp_table_t htp_table_t;
+
+/**
+ * Add a new element to the table. The key will be copied, and the copy
+ * managed by the table. The table keeps a pointer to the element. It is the
+ * callers responsibility to ensure the pointer remains valid.
+ *
+ * @param[in] table
+ * @param[in] key
+ * @param[in] element
+ * @return HTP_OK on success, HTP_ERROR on failure.
+ */
+htp_status_t htp_table_add(htp_table_t *table, const bstr *key, const void *element);
+
+/**
+ * Add a new element to the table. The key provided will be adopted and managed
+ * by the table. You should not keep a copy of the pointer to the key unless you're
+ * certain that the table will live longer that the copy. The table keeps a pointer
+ * to the element. It is the callers responsibility to ensure the pointer remains
+ * valid.
+ *
+ * @param[in] table
+ * @param[in] key
+ * @param[in] element
+ * @return HTP_OK on success, HTP_ERROR on failure.
+ */
+htp_status_t htp_table_addn(htp_table_t *table, const bstr *key, const void *element);
+
+/**
+ * Add a new element to the table. The key provided will be only referenced and the
+ * caller remains responsible to keep it alive until after the table is destroyed. The
+ * table keeps a pointer to the element. It is the callers responsibility to ensure
+ * the pointer remains valid.
+ *
+ * @param[in] table
+ * @param[in] key
+ * @param[in] element
+ * @return HTP_OK on success, HTP_ERROR on failure.
+ */
+htp_status_t htp_table_addk(htp_table_t *table, const bstr *key, const void *element);
+
+/**
+ * Remove all elements from the table. This function handles keys
+ * according to the active allocation strategy. If the elements need freeing,
+ * you need to free them before invoking this function.
+ *
+ * @param[in] table
+ */
+void htp_table_clear(htp_table_t *table);
+
+/**
+ * Remove all elements from the table without freeing any of the keys, even
+ * if the table is using an allocation strategy where keys belong to it. This
+ * function is useful if all the keys have been adopted by some other structure.
+ *
+ * @param[in] table
+ */
+void htp_table_clear_ex(htp_table_t *table);
+
+/**
+ * Create a new table structure. The table will grow automatically as needed,
+ * but you are required to provide a starting size.
+ *
+ * @param[in] size The starting size.
+ * @return Newly created table instance, or NULL on failure.
+ */
+htp_table_t *htp_table_create(size_t size);
+
+/**
+ * Destroy a table. This function handles the keys according to the active
+ * allocation strategy. If the elements need freeing, you need to free them
+ * before invoking this function. After the table has been destroyed,
+ * the pointer is set to NULL.
+ *
+ * @param[in]   table
+ */
+void htp_table_destroy(htp_table_t *table);
+
+/**
+ * Destroy the given table, but don't free the keys. even if they are managed by
+ * the table. Use this method when the responsibility for the keys has been transferred
+ * elsewhere. After the table has been destroyed, the pointer is set to NULL.
+ *
+ * @param[in] table
+ */
+void htp_table_destroy_ex(htp_table_t *table);
+
+/**
+ * Retrieve the first element that matches the given bstr key.
+ *
+ * @param[in] table
+ * @param[in] key
+ * @return Matched element, or NULL if no elements match the key.
+ */
+void *htp_table_get(const htp_table_t *table, const bstr *key);
+
+/**
+ * Retrieve the first element that matches the given NUL-terminated key.
+ *
+ * @param[in] table
+ * @param[in] ckey
+ * @return Matched element, or NULL if no elements match the key.
+ */
+void *htp_table_get_c(const htp_table_t *table, const char *ckey);
+
+/**
+ * Retrieve key and element at the given index.
+ *
+ * @param[in] table
+ * @param[in] idx
+ * @param[in,out] key Pointer in which the key will be returned. Can be NULL.
+ * @return HTP_OK on success, HTP_ERROR on failure.
+ */
+void *htp_table_get_index(const htp_table_t *table, size_t idx, bstr **key);
+
+/**
+ * Retrieve table key defined by the provided pointer and length.
+ *
+ * @param[in] table
+ * @param[in] key
+ * @param[in] key_len
+ * @return Matched element, or NULL if no elements match the key.
+ */
+void *htp_table_get_mem(const htp_table_t *table, const void *key, size_t key_len);
+
+/**
+ * Return the size of the table.
+ *
+ * @param[in] table
+ * @return table size
+ */
+size_t htp_table_size(const htp_table_t *table);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* HTP_TABLE_H */
+