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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:40:56 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:40:56 +0000
commitc248d29056abbc1fc4c5dc178bab48fb8d2c1fcb (patch)
tree4a13fc30604509224504e1911bc976e5df7bdf05 /htp/htp_decompressors.h
parentInitial commit. (diff)
downloadlibhtp-upstream/1%0.5.47.tar.xz
libhtp-upstream/1%0.5.47.zip
Adding upstream version 1:0.5.47.upstream/1%0.5.47
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'htp/htp_decompressors.h')
-rw-r--r--htp/htp_decompressors.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/htp/htp_decompressors.h b/htp/htp_decompressors.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_DECOMPRESSORS_H
+#define _HTP_DECOMPRESSORS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <zlib.h>
+#include "lzma/LzmaDec.h"
+
+typedef struct htp_decompressor_gzip_t htp_decompressor_gzip_t;
+typedef struct htp_decompressor_t htp_decompressor_t;
+
+#define GZIP_BUF_SIZE 8192
+
+#define DEFLATE_MAGIC_1 0x1f
+#define DEFLATE_MAGIC_2 0x8b
+
+struct htp_decompressor_t {
+ // no longer used
+ htp_status_t (*decompress)(htp_decompressor_t *, htp_tx_data_t *);
+ htp_status_t (*callback)(htp_tx_data_t *);
+ // no longer used
+ void (*destroy)(htp_decompressor_t *);
+ struct htp_decompressor_t *next;
+ struct timeval time_before;
+ int32_t time_spent;
+ uint32_t nb_callbacks;
+ uint8_t passthrough; /**< decompression failed, pass through raw data */
+};
+
+struct htp_decompressor_gzip_t {
+ htp_decompressor_t super;
+ #if 0
+ int initialized;
+ #endif
+ int zlib_initialized;
+ uint8_t restart; /**< deflate restarted to try rfc1950 instead of 1951 */
+ z_stream stream;
+ uint8_t header[LZMA_PROPS_SIZE + 8];
+ uint8_t header_len;
+ CLzmaDec state;
+ unsigned char *buffer;
+ unsigned long crc;
+};
+
+htp_decompressor_t *htp_gzip_decompressor_create(htp_connp_t *connp, enum htp_content_encoding_t format);
+htp_status_t htp_gzip_decompressor_decompress(htp_decompressor_t *drec, htp_tx_data_t *d);
+void htp_gzip_decompressor_destroy(htp_decompressor_t *drec);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HTP_DECOMPRESSORS_H */
+