suricata
app-layer-htp.h
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1 /* Copyright (C) 2007-2020 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \defgroup httplayer HTTP layer support
20  *
21  * @{
22  */
23 
24 /**
25  * \file
26  *
27  * \author Gurvinder Singh <gurvindersinghdahiya@gmail.com>
28  * \author Pablo Rincon <pablo.rincon.crespo@gmail.com>
29  *
30  * This file provides a HTTP protocol support for the engine using HTP library.
31  */
32 
33 #ifndef __APP_LAYER_HTP_H__
34 #define __APP_LAYER_HTP_H__
35 
36 #include "util-radix-tree.h"
37 #include "util-file.h"
38 #include "app-layer-htp-mem.h"
39 #include "detect-engine-state.h"
40 #include "util-streaming-buffer.h"
41 #include "app-layer-htp-range.h"
42 #include "rust.h"
43 
44 #include <htp/htp.h>
45 
46 /* default request body limit */
47 #define HTP_CONFIG_DEFAULT_REQUEST_BODY_LIMIT 4096U
48 #define HTP_CONFIG_DEFAULT_RESPONSE_BODY_LIMIT 4096U
49 #define HTP_CONFIG_DEFAULT_REQUEST_INSPECT_MIN_SIZE 32768U
50 #define HTP_CONFIG_DEFAULT_REQUEST_INSPECT_WINDOW 4096U
51 #define HTP_CONFIG_DEFAULT_RESPONSE_INSPECT_MIN_SIZE 32768U
52 #define HTP_CONFIG_DEFAULT_RESPONSE_INSPECT_WINDOW 4096U
53 #define HTP_CONFIG_DEFAULT_FIELD_LIMIT_SOFT 9000U
54 #define HTP_CONFIG_DEFAULT_FIELD_LIMIT_HARD 18000U
55 
56 #define HTP_CONFIG_DEFAULT_LZMA_LAYERS 0U
57 /* default libhtp lzma limit, taken from libhtp. */
58 #define HTP_CONFIG_DEFAULT_LZMA_MEMLIMIT 1048576U
59 #define HTP_CONFIG_DEFAULT_COMPRESSION_BOMB_LIMIT 1048576U
60 // 100000 usec is 0.1 sec
61 #define HTP_CONFIG_DEFAULT_COMPRESSION_TIME_LIMIT 100000
62 
63 #define HTP_CONFIG_DEFAULT_RANDOMIZE 1
64 #define HTP_CONFIG_DEFAULT_RANDOMIZE_RANGE 10
65 
66 /** a boundary should be smaller in size */
67 #define HTP_BOUNDARY_MAX 200U
68 
69 // 0x0001 not used
70 #define HTP_FLAG_STATE_CLOSED_TS 0x0002 /**< Flag to indicate that HTTP
71  connection is closed */
72 #define HTP_FLAG_STATE_CLOSED_TC 0x0004 /**< Flag to indicate that HTTP
73  connection is closed */
74 #define HTP_FLAG_STORE_FILES_TS 0x0040
75 #define HTP_FLAG_STORE_FILES_TC 0x0080
76 #define HTP_FLAG_STORE_FILES_TX_TS 0x0100
77 #define HTP_FLAG_STORE_FILES_TX_TC 0x0200
78 
79 enum {
82  HTP_BODY_REQUEST_POST, /* POST, no MP */
84 };
85 
86 enum {
87  /* libhtp errors/warnings */
133 
136 
138 
139  /* suricata errors/warnings */
143 
145 };
146 
147 typedef enum HtpSwfCompressType_ {
153 
154 typedef struct HTPCfgDir_ {
155  uint32_t body_limit;
157  uint32_t inspect_window;
160 
161 /** Need a linked list in order to keep track of these */
162 typedef struct HTPCfgRec_ {
163  htp_cfg_t *cfg;
164  struct HTPCfgRec_ *next;
165 
166  int uri_include_all; /**< use all info in uri (bool) */
167 
168  /** max size of the client body we inspect */
172 
177 
181 
182 /** Struct used to hold chunks of a body on a request */
184  struct HtpBodyChunk_ *next; /**< Pointer to the next chunk */
185  int logged;
186  StreamingBufferSegment sbseg;
187 } __attribute__((__packed__));
188 typedef struct HtpBodyChunk_ HtpBodyChunk;
189 
190 /** Struct used to hold all the chunks of a body on a request */
191 typedef struct HtpBody_ {
192  HtpBodyChunk *first; /**< Pointer to the first chunk */
193  HtpBodyChunk *last; /**< Pointer to the last chunk */
194 
196 
197  /* Holds the length of the htp request body seen so far */
199  /* parser tracker */
200  uint64_t body_parsed;
201  /* inspection tracker */
202  uint64_t body_inspected;
204 
205 #define HTP_CONTENTTYPE_SET BIT_U8(0) /**< We have the content type */
206 #define HTP_BOUNDARY_SET BIT_U8(1) /**< We have a boundary string */
207 #define HTP_BOUNDARY_OPEN BIT_U8(2) /**< We have a boundary string */
208 #define HTP_FILENAME_SET BIT_U8(3) /**< filename is registered in the flow */
209 #define HTP_DONTSTORE BIT_U8(4) /**< not storing this file */
210 #define HTP_STREAM_DEPTH_SET BIT_U8(5) /**< stream-depth is set */
211 
212 /** Now the Body Chunks will be stored per transaction, at
213  * the tx user data */
214 typedef struct HtpTxUserData_ {
215  /* Body of the request (if any) */
218 
221 
224 
226 
231 
232  /** Holds the boundary identification string if any (used on
233  * multipart/form-data only)
234  */
235  uint8_t *boundary;
236  uint8_t boundary_len;
237 
238  uint8_t tsflags;
239  uint8_t tcflags;
240 
242 
243  AppLayerTxData tx_data;
245 
246 typedef struct HtpState_ {
247  /* Connection parser structure for each connection */
248  htp_connp_t *connp;
249  /* Connection structure for each connection */
250  htp_conn_t *conn;
251  Flow *f; /**< Needed to retrieve the original flow when using HTPLib callbacks */
252  uint64_t transaction_cnt;
253  uint64_t store_tx_id;
256  const struct HTPCfgRec_ *cfg;
257  uint16_t flags;
258  uint16_t events;
259  uint16_t htp_messages_offset; /**< offset into conn->messages list */
260  uint32_t file_track_id; /**< used to assign file track ids to files */
261  HttpRangeContainerBlock *file_range; /**< used to assign track ids to range file */
265 
266 /** part of the engine needs the request body (e.g. http_client_body keyword) */
267 #define HTP_REQUIRE_REQUEST_BODY (1 << 0)
268 /** part of the engine needs the request body multipart header (e.g. filename
269  * and / or fileext keywords) */
270 #define HTP_REQUIRE_REQUEST_MULTIPART (1 << 1)
271 /** part of the engine needs the request file (e.g. log-file module) */
272 #define HTP_REQUIRE_REQUEST_FILE (1 << 2)
273 /** part of the engine needs the request body (e.g. file_data keyword) */
274 #define HTP_REQUIRE_RESPONSE_BODY (1 << 3)
275 
276 SC_ATOMIC_EXTERN(uint32_t, htp_config_flags);
277 
278 void RegisterHTPParsers(void);
279 void HTPAtExitPrintStats(void);
280 void HTPFreeConfig(void);
281 
282 void HtpBodyPrint(HtpBody *);
283 void HtpBodyFree(HtpBody *);
284 /* To free the state from unittests using app-layer-htp */
285 void HTPStateFree(void *);
289 void AppLayerHtpPrintStats(void);
290 
291 void HTPConfigure(void);
292 
293 void HtpConfigCreateBackup(void);
294 void HtpConfigRestoreBackup(void);
295 
296 void *HtpGetTxForH2(void *);
297 
298 #endif /* __APP_LAYER_HTP_H__ */
299 
300 /**
301  * @}
302  */
HtpState
struct HtpState_ HtpState
HtpState_::cfg
const struct HTPCfgRec_ * cfg
Definition: app-layer-htp.h:256
HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_RESPONSE
@ HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_RESPONSE
Definition: app-layer-htp.h:97
FileContainer_
Definition: util-file.h:110
HTP_BODY_REQUEST_POST
@ HTP_BODY_REQUEST_POST
Definition: app-layer-htp.h:82
app-layer-htp-range.h
AppLayerHtpNeedFileInspection
void AppLayerHtpNeedFileInspection(void)
Sets a flag that informs the HTP app layer that some module in the engine needs the http request file...
Definition: app-layer-htp.c:468
HTTP_DECODER_EVENT_HOST_HEADER_AMBIGUOUS
@ HTTP_DECODER_EVENT_HOST_HEADER_AMBIGUOUS
Definition: app-layer-htp.h:107
HTTP_DECODER_EVENT_REQUEST_SERVER_PORT_TCP_PORT_MISMATCH
@ HTTP_DECODER_EVENT_REQUEST_SERVER_PORT_TCP_PORT_MISMATCH
Definition: app-layer-htp.h:113
HTTP_DECODER_EVENT_RANGE_INVALID
@ HTTP_DECODER_EVENT_RANGE_INVALID
Definition: app-layer-htp.h:137
HTTP_DECODER_EVENT_UNKNOWN_ERROR
@ HTTP_DECODER_EVENT_UNKNOWN_ERROR
Definition: app-layer-htp.h:88
HTTP_DECODER_EVENT_TOO_MANY_WARNINGS
@ HTTP_DECODER_EVENT_TOO_MANY_WARNINGS
Definition: app-layer-htp.h:144
HtpTxUserData_::request_headers_raw_len
uint32_t request_headers_raw_len
Definition: app-layer-htp.h:229
HTPCfgDir_
Definition: app-layer-htp.h:154
HtpBody_::sb
StreamingBuffer * sb
Definition: app-layer-htp.h:195
HTTP_DECODER_EVENT_COMPRESSION_BOMB
@ HTTP_DECODER_EVENT_COMPRESSION_BOMB
Definition: app-layer-htp.h:135
HTPCfgRec_::response
HTPCfgDir response
Definition: app-layer-htp.h:179
HTTP_DECODER_EVENT_DUPLICATE_CONTENT_LENGTH_FIELD_IN_REQUEST
@ HTTP_DECODER_EVENT_DUPLICATE_CONTENT_LENGTH_FIELD_IN_REQUEST
Definition: app-layer-htp.h:98
HtpTxUserData
struct HtpTxUserData_ HtpTxUserData
AppLayerHtpPrintStats
void AppLayerHtpPrintStats(void)
Definition: app-layer-htp.c:2889
HTPCfgDir_::body_limit
uint32_t body_limit
Definition: app-layer-htp.h:155
HTTP_DECODER_EVENT_INVALID_RESPONSE_FIELD_FOLDING
@ HTTP_DECODER_EVENT_INVALID_RESPONSE_FIELD_FOLDING
Definition: app-layer-htp.h:109
HtpSwfCompressType_
HtpSwfCompressType_
Definition: app-layer-htp.h:147
HTTP_DECODER_EVENT_MULTIPART_INVALID_HEADER
@ HTTP_DECODER_EVENT_MULTIPART_INVALID_HEADER
Definition: app-layer-htp.h:142
Flow_
Flow data structure.
Definition: flow.h:353
HtpGetTxForH2
void * HtpGetTxForH2(void *)
Definition: app-layer-htp.c:2951
HtpState_::flags
uint16_t flags
Definition: app-layer-htp.h:257
HTTP_DECODER_EVENT_UNABLE_TO_MATCH_RESPONSE_TO_REQUEST
@ HTTP_DECODER_EVENT_UNABLE_TO_MATCH_RESPONSE_TO_REQUEST
Definition: app-layer-htp.h:101
HtpState_::f
Flow * f
Definition: app-layer-htp.h:251
HTTP_DECODER_EVENT_RESPONSE_HEADER_INVALID
@ HTTP_DECODER_EVENT_RESPONSE_HEADER_INVALID
Definition: app-layer-htp.h:105
HtpState_::file_range
HttpRangeContainerBlock * file_range
Definition: app-layer-htp.h:261
HtpBody_::last
HtpBodyChunk * last
Definition: app-layer-htp.h:193
HtpTxUserData_::request_body
HtpBody request_body
Definition: app-layer-htp.h:222
HTTP_DECODER_EVENT_RESPONSE_HEADER_REPETITION
@ HTTP_DECODER_EVENT_RESPONSE_HEADER_REPETITION
Definition: app-layer-htp.h:123
HtpSwfCompressType
enum HtpSwfCompressType_ HtpSwfCompressType
HTTP_DECODER_EVENT_INVALID_AUTHORITY_PORT
@ HTTP_DECODER_EVENT_INVALID_AUTHORITY_PORT
Definition: app-layer-htp.h:103
rust.h
HTTP_SWF_COMPRESSION_ZLIB
@ HTTP_SWF_COMPRESSION_ZLIB
Definition: app-layer-htp.h:149
HTTP_DECODER_EVENT_FILE_NAME_TOO_LONG
@ HTTP_DECODER_EVENT_FILE_NAME_TOO_LONG
Definition: app-layer-htp.h:112
HtpTxUserData_::request_uri_normalized
bstr * request_uri_normalized
Definition: app-layer-htp.h:225
HTP_BODY_REQUEST_NONE
@ HTP_BODY_REQUEST_NONE
Definition: app-layer-htp.h:80
HtpState_::transaction_cnt
uint64_t transaction_cnt
Definition: app-layer-htp.h:252
HTPCfgRec_::swf_compress_depth
uint32_t swf_compress_depth
Definition: app-layer-htp.h:176
HTPStateFree
void HTPStateFree(void *)
Function to frees the HTTP state memory and also frees the HTTP connection parser memory which was us...
Definition: app-layer-htp.c:336
HTPCfgDir_::inspect_window
uint32_t inspect_window
Definition: app-layer-htp.h:157
HTPConfigure
void HTPConfigure(void)
Definition: app-layer-htp.c:2817
HtpBody_::first
HtpBodyChunk * first
Definition: app-layer-htp.h:192
HTTP_DECODER_EVENT_INVALID_TRANSFER_ENCODING_VALUE_IN_REQUEST
@ HTTP_DECODER_EVENT_INVALID_TRANSFER_ENCODING_VALUE_IN_REQUEST
Definition: app-layer-htp.h:94
HTTP_DECODER_EVENT_LZMA_MEMLIMIT_REACHED
@ HTTP_DECODER_EVENT_LZMA_MEMLIMIT_REACHED
Definition: app-layer-htp.h:134
HtpState_
Definition: app-layer-htp.h:246
HTTP_DECODER_EVENT_HEADER_HOST_INVALID
@ HTTP_DECODER_EVENT_HEADER_HOST_INVALID
Definition: app-layer-htp.h:115
HTTP_DECODER_EVENT_URI_HOST_INVALID
@ HTTP_DECODER_EVENT_URI_HOST_INVALID
Definition: app-layer-htp.h:114
HtpBody_::content_len_so_far
uint64_t content_len_so_far
Definition: app-layer-htp.h:198
__attribute__
struct HtpBodyChunk_ __attribute__((__packed__))
DNP3 link header.
Definition: decode-vlan.c:117
HttpRangeContainerBlock
Definition: app-layer-htp-range.h:89
HTTP_DECODER_EVENT_RESPONSE_INVALID_PROTOCOL
@ HTTP_DECODER_EVENT_RESPONSE_INVALID_PROTOCOL
Definition: app-layer-htp.h:127
HTTP_DECODER_EVENT_MULTIPART_NO_FILEDATA
@ HTTP_DECODER_EVENT_MULTIPART_NO_FILEDATA
Definition: app-layer-htp.h:141
HTTP_DECODER_EVENT_REQUEST_BODY_UNEXPECTED
@ HTTP_DECODER_EVENT_REQUEST_BODY_UNEXPECTED
Definition: app-layer-htp.h:132
HtpState_::last_request_data_stamp
uint64_t last_request_data_stamp
Definition: app-layer-htp.h:262
HtpBody_::body_parsed
uint64_t body_parsed
Definition: app-layer-htp.h:200
HTPCfgRec_::http_body_inline
int http_body_inline
Definition: app-layer-htp.h:171
HTPCfgRec_::randomize_range
int randomize_range
Definition: app-layer-htp.h:170
HTTP_SWF_COMPRESSION_NONE
@ HTTP_SWF_COMPRESSION_NONE
Definition: app-layer-htp.h:148
HtpConfigCreateBackup
void HtpConfigCreateBackup(void)
Definition: app-layer-htp.c:3129
HtpState_::file_track_id
uint32_t file_track_id
Definition: app-layer-htp.h:260
HTPCfgRec_::randomize
int randomize
Definition: app-layer-htp.h:169
HTPCfgDir_::inspect_min_size
uint32_t inspect_min_size
Definition: app-layer-htp.h:156
HTPCfgRec_::uri_include_all
int uri_include_all
Definition: app-layer-htp.h:166
HTTP_DECODER_EVENT_RESPONSE_MULTIPART_BYTERANGES
@ HTTP_DECODER_EVENT_RESPONSE_MULTIPART_BYTERANGES
Definition: app-layer-htp.h:124
AppLayerHtpEnableRequestBodyCallback
void AppLayerHtpEnableRequestBodyCallback(void)
Sets a flag that informs the HTP app layer that some module in the engine needs the http request body...
Definition: app-layer-htp.c:426
HTTP_DECODER_EVENT_RESPONSE_FIELD_MISSING_COLON
@ HTTP_DECODER_EVENT_RESPONSE_FIELD_MISSING_COLON
Definition: app-layer-htp.h:91
HTTP_DECODER_EVENT_REQUEST_LINE_LEADING_WHITESPACE
@ HTTP_DECODER_EVENT_REQUEST_LINE_LEADING_WHITESPACE
Definition: app-layer-htp.h:118
HtpTxUserData_::response_has_trailers
uint8_t response_has_trailers
Definition: app-layer-htp.h:220
HtpTxUserData_::request_headers_raw
uint8_t * request_headers_raw
Definition: app-layer-htp.h:227
HtpState_::conn
htp_conn_t * conn
Definition: app-layer-htp.h:250
HTPCfgRec_::swf_decompress_depth
uint32_t swf_decompress_depth
Definition: app-layer-htp.h:175
HTTP_DECODER_EVENT_METHOD_DELIM_NON_COMPLIANT
@ HTTP_DECODER_EVENT_METHOD_DELIM_NON_COMPLIANT
Definition: app-layer-htp.h:116
HTPCfgRec_::swf_decompression_enabled
int swf_decompression_enabled
Definition: app-layer-htp.h:173
HtpTxUserData_::tx_data
AppLayerTxData tx_data
Definition: app-layer-htp.h:243
HTPAtExitPrintStats
void HTPAtExitPrintStats(void)
Print the stats of the HTTP requests.
Definition: app-layer-htp.c:1982
HtpTxUserData_::request_has_trailers
uint8_t request_has_trailers
Definition: app-layer-htp.h:219
HTPCfgRec
struct HTPCfgRec_ HTPCfgRec
HtpTxUserData_::boundary
uint8_t * boundary
Definition: app-layer-htp.h:235
HTPCfgDir_::sbcfg
StreamingBufferConfig sbcfg
Definition: app-layer-htp.h:158
util-radix-tree.h
HtpBody
struct HtpBody_ HtpBody
detect-engine-state.h
Data structures and function prototypes for keeping state for the detection engine.
AppLayerHtpEnableResponseBodyCallback
void AppLayerHtpEnableResponseBodyCallback(void)
Sets a flag that informs the HTP app layer that some module in the engine needs the http request body...
Definition: app-layer-htp.c:439
HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_REQUEST
@ HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_REQUEST
Definition: app-layer-htp.h:96
HTPCfgRec_::swf_compression_type
HtpSwfCompressType swf_compression_type
Definition: app-layer-htp.h:174
HTTP_DECODER_EVENT_MULTIPART_GENERIC_ERROR
@ HTTP_DECODER_EVENT_MULTIPART_GENERIC_ERROR
Definition: app-layer-htp.h:140
HtpTxUserData_::response_body
HtpBody response_body
Definition: app-layer-htp.h:223
HtpBodyChunk_::logged
int logged
Definition: app-layer-htp.h:185
HTTP_DECODER_EVENT_RESPONSE_CHUNKED_OLD_PROTO
@ HTTP_DECODER_EVENT_RESPONSE_CHUNKED_OLD_PROTO
Definition: app-layer-htp.h:126
HTTP_DECODER_EVENT_REQUEST_FIELD_TOO_LONG
@ HTTP_DECODER_EVENT_REQUEST_FIELD_TOO_LONG
Definition: app-layer-htp.h:110
HTPCfgRec_::next
struct HTPCfgRec_ * next
Definition: app-layer-htp.h:164
HTTP_DECODER_EVENT_URI_DELIM_NON_COMPLIANT
@ HTTP_DECODER_EVENT_URI_DELIM_NON_COMPLIANT
Definition: app-layer-htp.h:117
StreamingBuffer_
Definition: util-streaming-buffer.h:95
HTTP_DECODER_EVENT_REQUEST_LINE_INVALID
@ HTTP_DECODER_EVENT_REQUEST_LINE_INVALID
Definition: app-layer-htp.h:131
util-file.h
HtpTxUserData_::request_body_type
uint8_t request_body_type
Definition: app-layer-htp.h:241
HTPCfgRec_::cfg
htp_cfg_t * cfg
Definition: app-layer-htp.h:163
HTTP_DECODER_EVENT_TOO_MANY_ENCODING_LAYERS
@ HTTP_DECODER_EVENT_TOO_MANY_ENCODING_LAYERS
Definition: app-layer-htp.h:119
HtpBody_
Definition: app-layer-htp.h:191
HTTP_DECODER_EVENT_INVALID_RESPONSE_CHUNK_LEN
@ HTTP_DECODER_EVENT_INVALID_RESPONSE_CHUNK_LEN
Definition: app-layer-htp.h:93
HTPCfgRec_::request
HTPCfgDir request
Definition: app-layer-htp.h:178
HTTP_DECODER_EVENT_INVALID_TRANSFER_ENCODING_VALUE_IN_RESPONSE
@ HTTP_DECODER_EVENT_INVALID_TRANSFER_ENCODING_VALUE_IN_RESPONSE
Definition: app-layer-htp.h:95
HTTP_DECODER_EVENT_DUPLICATE_CONTENT_LENGTH_FIELD_IN_RESPONSE
@ HTTP_DECODER_EVENT_DUPLICATE_CONTENT_LENGTH_FIELD_IN_RESPONSE
Definition: app-layer-htp.h:99
util-streaming-buffer.h
HtpTxUserData_::response_headers_raw
uint8_t * response_headers_raw
Definition: app-layer-htp.h:228
HtpBodyChunk_
Definition: app-layer-htp.h:183
HtpState_::connp
htp_connp_t * connp
Definition: app-layer-htp.h:248
HtpTxUserData_::tcflags
uint8_t tcflags
Definition: app-layer-htp.h:239
HTTP_DECODER_EVENT_REQUEST_HEADER_INVALID
@ HTTP_DECODER_EVENT_REQUEST_HEADER_INVALID
Definition: app-layer-htp.h:104
SC_ATOMIC_EXTERN
SC_ATOMIC_EXTERN(uint32_t, htp_config_flags)
HTTP_DECODER_EVENT_INVALID_REQUEST_FIELD_FOLDING
@ HTTP_DECODER_EVENT_INVALID_REQUEST_FIELD_FOLDING
Definition: app-layer-htp.h:108
HtpTxUserData_
Definition: app-layer-htp.h:214
HtpState_::last_response_data_stamp
uint64_t last_response_data_stamp
Definition: app-layer-htp.h:263
HtpConfigRestoreBackup
void HtpConfigRestoreBackup(void)
Definition: app-layer-htp.c:3136
StreamingBufferConfig_
Definition: util-streaming-buffer.h:67
HTTP_DECODER_EVENT_INVALID_REQUEST_CHUNK_LEN
@ HTTP_DECODER_EVENT_INVALID_REQUEST_CHUNK_LEN
Definition: app-layer-htp.h:92
HtpState_::events
uint16_t events
Definition: app-layer-htp.h:258
HTP_BODY_REQUEST_MULTIPART
@ HTP_BODY_REQUEST_MULTIPART
Definition: app-layer-htp.h:81
HTTP_DECODER_EVENT_AUTH_UNRECOGNIZED
@ HTTP_DECODER_EVENT_AUTH_UNRECOGNIZED
Definition: app-layer-htp.h:121
HtpBodyChunk_::next
struct HtpBodyChunk_ * next
Definition: app-layer-htp.h:184
HtpTxUserData_::response_body_init
uint8_t response_body_init
Definition: app-layer-htp.h:217
HtpState_::files_tc
FileContainer * files_tc
Definition: app-layer-htp.h:255
HTTP_DECODER_EVENT_REQUEST_FIELD_MISSING_COLON
@ HTTP_DECODER_EVENT_REQUEST_FIELD_MISSING_COLON
Definition: app-layer-htp.h:90
HTTP_DECODER_EVENT_REQUEST_LINE_INCOMPLETE
@ HTTP_DECODER_EVENT_REQUEST_LINE_INCOMPLETE
Definition: app-layer-htp.h:129
HTTP_DECODER_EVENT_DOUBLE_ENCODED_URI
@ HTTP_DECODER_EVENT_DOUBLE_ENCODED_URI
Definition: app-layer-htp.h:130
HTTP_DECODER_EVENT_RESPONSE_FIELD_TOO_LONG
@ HTTP_DECODER_EVENT_RESPONSE_FIELD_TOO_LONG
Definition: app-layer-htp.h:111
HTTP_SWF_COMPRESSION_BOTH
@ HTTP_SWF_COMPRESSION_BOTH
Definition: app-layer-htp.h:151
HTPCfgRec_
Definition: app-layer-htp.h:162
RegisterHTPParsers
void RegisterHTPParsers(void)
Register the HTTP protocol and state handling functions to APP layer of the engine.
Definition: app-layer-htp.c:3066
HTTP_DECODER_EVENT_MISSING_HOST_HEADER
@ HTTP_DECODER_EVENT_MISSING_HOST_HEADER
Definition: app-layer-htp.h:106
HTTP_SWF_COMPRESSION_LZMA
@ HTTP_SWF_COMPRESSION_LZMA
Definition: app-layer-htp.h:150
app-layer-htp-mem.h
HTPCfgDir
struct HTPCfgDir_ HTPCfgDir
HtpState_::files_ts
FileContainer * files_ts
Definition: app-layer-htp.h:254
HTTP_DECODER_EVENT_100_CONTINUE_ALREADY_SEEN
@ HTTP_DECODER_EVENT_100_CONTINUE_ALREADY_SEEN
Definition: app-layer-htp.h:100
HtpBodyPrint
void HtpBodyPrint(HtpBody *)
Print the information and chunks of a Body.
Definition: app-layer-htp-body.c:126
HTP_BODY_REQUEST_PUT
@ HTP_BODY_REQUEST_PUT
Definition: app-layer-htp.h:83
HtpTxUserData_::boundary_len
uint8_t boundary_len
Definition: app-layer-htp.h:236
HTPFreeConfig
void HTPFreeConfig(void)
Clears the HTTP server configuration memory used by HTP library.
Definition: app-layer-htp.c:1995
HtpTxUserData_::response_headers_raw_len
uint32_t response_headers_raw_len
Definition: app-layer-htp.h:230
HTTP_DECODER_EVENT_RESPONSE_INVALID_STATUS
@ HTTP_DECODER_EVENT_RESPONSE_INVALID_STATUS
Definition: app-layer-htp.h:128
HTTP_DECODER_EVENT_ABNORMAL_CE_HEADER
@ HTTP_DECODER_EVENT_ABNORMAL_CE_HEADER
Definition: app-layer-htp.h:120
HtpTxUserData_::request_body_init
uint8_t request_body_init
Definition: app-layer-htp.h:216
HTTP_DECODER_EVENT_INVALID_SERVER_PORT_IN_REQUEST
@ HTTP_DECODER_EVENT_INVALID_SERVER_PORT_IN_REQUEST
Definition: app-layer-htp.h:102
HtpBodyFree
void HtpBodyFree(HtpBody *)
Free the information held in the request body.
Definition: app-layer-htp-body.c:154
HtpBodyChunk_::sbseg
StreamingBufferSegment sbseg
Definition: app-layer-htp.h:186
HTTP_DECODER_EVENT_GZIP_DECOMPRESSION_FAILED
@ HTTP_DECODER_EVENT_GZIP_DECOMPRESSION_FAILED
Definition: app-layer-htp.h:89
HTTP_DECODER_EVENT_REQUEST_HEADER_REPETITION
@ HTTP_DECODER_EVENT_REQUEST_HEADER_REPETITION
Definition: app-layer-htp.h:122
HtpState_::store_tx_id
uint64_t store_tx_id
Definition: app-layer-htp.h:253
HtpTxUserData_::tsflags
uint8_t tsflags
Definition: app-layer-htp.h:238
HTTP_DECODER_EVENT_RESPONSE_ABNORMAL_TRANSFER_ENCODING
@ HTTP_DECODER_EVENT_RESPONSE_ABNORMAL_TRANSFER_ENCODING
Definition: app-layer-htp.h:125
HtpBody_::body_inspected
uint64_t body_inspected
Definition: app-layer-htp.h:202
HtpState_::htp_messages_offset
uint16_t htp_messages_offset
Definition: app-layer-htp.h:259