suricata
app-layer-htp.c File Reference
#include "suricata.h"
#include "suricata-common.h"
#include "conf.h"
#include "debug.h"
#include "decode.h"
#include "threads.h"
#include "counters.h"
#include "util-print.h"
#include "util-pool.h"
#include "util-radix-tree.h"
#include "util-file.h"
#include "util-byte.h"
#include "stream-tcp-private.h"
#include "stream-tcp-reassemble.h"
#include "stream-tcp.h"
#include "stream.h"
#include "app-layer-protos.h"
#include "app-layer-parser.h"
#include "app-layer.h"
#include "app-layer-htp.h"
#include "app-layer-htp-body.h"
#include "app-layer-htp-file.h"
#include "app-layer-htp-libhtp.h"
#include "app-layer-htp-xff.h"
#include "util-spm.h"
#include "util-debug.h"
#include "util-time.h"
#include "util-misc.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "flow-util.h"
#include "detect-engine.h"
#include "detect-engine-state.h"
#include "detect-parse.h"
#include "decode-events.h"
#include "util-memcmp.h"
#include "util-random.h"
#include "util-validate.h"
#include "conf-yaml-loader.h"
Include dependency graph for app-layer-htp.c:

Go to the source code of this file.

Macros

#define IF_HTP_PERSONALITY_NUM(p)   if (strcasecmp(#p, str) == 0) return HTP_SERVER_ ## p
 
#define HTP_MAX_MESSAGES   512
 
#define HTP_ERROR_MAX   (sizeof(htp_errors) / sizeof(htp_errors[0]))
 
#define HTP_WARNING_MAX   (sizeof(htp_warnings) / sizeof(htp_warnings[0]))
 
#define C_D_HDR   "content-disposition:"
 
#define C_D_HDR_LEN   20
 
#define C_T_HDR   "content-type:"
 
#define C_T_HDR_LEN   13
 
SCEnumCharMap http_decoder_event_table []
 
struct {
   const char *   msg
 
   int   de
 
htp_errors []
 
struct {
   const char *   msg
 
   int   de
 
htp_warnings []
 
 SC_ATOMIC_DECLARE (uint32_t, htp_config_flags)
 
void HTPStateFree (void *state)
 Function to frees the HTTP state memory and also frees the HTTP connection parser memory which was used by the HTP library. More...
 
void AppLayerHtpEnableRequestBodyCallback (void)
 Sets a flag that informs the HTP app layer that some module in the engine needs the http request body data. \initonly. More...
 
void AppLayerHtpEnableResponseBodyCallback (void)
 Sets a flag that informs the HTP app layer that some module in the engine needs the http request body data. \initonly. More...
 
void AppLayerHtpNeedFileInspection (void)
 Sets a flag that informs the HTP app layer that some module in the engine needs the http request file. More...
 
void HTPAtExitPrintStats (void)
 Print the stats of the HTTP requests. More...
 
void HTPFreeConfig (void)
 Clears the HTTP server configuration memory used by HTP library. More...
 
void HTPConfigure (void)
 
void AppLayerHtpPrintStats (void)
 
void * HtpGetTxForH2 (void *alstate)
 
void RegisterHTPParsers (void)
 Register the HTTP protocol and state handling functions to APP layer of the engine. More...
 
void HtpConfigCreateBackup (void)
 
void HtpConfigRestoreBackup (void)
 

Detailed Description

Macro Definition Documentation

◆ C_D_HDR

#define C_D_HDR   "content-disposition:"

Definition at line 1225 of file app-layer-htp.c.

◆ C_D_HDR_LEN

#define C_D_HDR_LEN   20

Definition at line 1226 of file app-layer-htp.c.

◆ C_T_HDR

#define C_T_HDR   "content-type:"

Definition at line 1227 of file app-layer-htp.c.

◆ C_T_HDR_LEN

#define C_T_HDR_LEN   13

Definition at line 1228 of file app-layer-htp.c.

◆ HTP_ERROR_MAX

#define HTP_ERROR_MAX   (sizeof(htp_errors) / sizeof(htp_errors[0]))

Definition at line 634 of file app-layer-htp.c.

◆ HTP_MAX_MESSAGES

#define HTP_MAX_MESSAGES   512

Limit to the number of libhtp messages that can be handled

Definition at line 93 of file app-layer-htp.c.

◆ HTP_WARNING_MAX

#define HTP_WARNING_MAX   (sizeof(htp_warnings) / sizeof(htp_warnings[0]))

Definition at line 635 of file app-layer-htp.c.

◆ IF_HTP_PERSONALITY_NUM

#define IF_HTP_PERSONALITY_NUM (   p)    if (strcasecmp(#p, str) == 0) return HTP_SERVER_ ## p

Function Documentation

◆ SC_ATOMIC_DECLARE()

SC_ATOMIC_DECLARE ( uint32_t  ,
htp_config_flags   
)

Variable Documentation

◆ de

int de

Definition at line 575 of file app-layer-htp.c.

Referenced by DetectIpOptsFree(), and DetectRfbSecresultFree().

◆ htp_errors

struct { ... } htp_errors[]
Initial value:
= {
{ "GZip decompressor: inflateInit2 failed", HTTP_DECODER_EVENT_GZIP_DECOMPRESSION_FAILED},
{ "Request field invalid: colon missing", HTTP_DECODER_EVENT_REQUEST_FIELD_MISSING_COLON},
{ "Response field invalid: missing colon", HTTP_DECODER_EVENT_RESPONSE_FIELD_MISSING_COLON},
{ "Request chunk encoding: Invalid chunk length", HTTP_DECODER_EVENT_INVALID_REQUEST_CHUNK_LEN},
{ "Response chunk encoding: Invalid chunk length", HTTP_DECODER_EVENT_INVALID_RESPONSE_CHUNK_LEN},
{ "Already seen 100-Continue", HTTP_DECODER_EVENT_100_CONTINUE_ALREADY_SEEN},
{ "Unable to match response to request", HTTP_DECODER_EVENT_UNABLE_TO_MATCH_RESPONSE_TO_REQUEST},
{ "Invalid server port information in request", HTTP_DECODER_EVENT_INVALID_SERVER_PORT_IN_REQUEST},
{ "Request buffer over", HTTP_DECODER_EVENT_REQUEST_FIELD_TOO_LONG},
{ "Response buffer over", HTTP_DECODER_EVENT_RESPONSE_FIELD_TOO_LONG},
{ "C-T multipart/byteranges in responses not supported", HTTP_DECODER_EVENT_RESPONSE_MULTIPART_BYTERANGES},
{ "Compression bomb:", HTTP_DECODER_EVENT_COMPRESSION_BOMB},
}

◆ htp_warnings

struct { ... } htp_warnings[]

◆ http_decoder_event_table

SCEnumCharMap http_decoder_event_table[]

Definition at line 102 of file app-layer-htp.c.

◆ msg

const char* msg

Definition at line 574 of file app-layer-htp.c.

Referenced by MimeDecParseFullMsg(), SCLog(), and SCLogErr().

HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_RESPONSE
@ HTTP_DECODER_EVENT_INVALID_CONTENT_LENGTH_FIELD_IN_RESPONSE
Definition: app-layer-htp.h:94
HTTP_DECODER_EVENT_COMPRESSION_BOMB
@ HTTP_DECODER_EVENT_COMPRESSION_BOMB
Definition: app-layer-htp.h:131
HTTP_DECODER_EVENT_UNABLE_TO_MATCH_RESPONSE_TO_REQUEST
@ HTTP_DECODER_EVENT_UNABLE_TO_MATCH_RESPONSE_TO_REQUEST
Definition: app-layer-htp.h:98
HTTP_DECODER_EVENT_RESPONSE_MULTIPART_BYTERANGES
@ HTTP_DECODER_EVENT_RESPONSE_MULTIPART_BYTERANGES
Definition: app-layer-htp.h:120
HTTP_DECODER_EVENT_RESPONSE_FIELD_MISSING_COLON
@ HTTP_DECODER_EVENT_RESPONSE_FIELD_MISSING_COLON
Definition: app-layer-htp.h:88
HTTP_DECODER_EVENT_REQUEST_FIELD_TOO_LONG
@ HTTP_DECODER_EVENT_REQUEST_FIELD_TOO_LONG
Definition: app-layer-htp.h:107
HTTP_DECODER_EVENT_INVALID_RESPONSE_CHUNK_LEN
@ HTTP_DECODER_EVENT_INVALID_RESPONSE_CHUNK_LEN
Definition: app-layer-htp.h:90
HTTP_DECODER_EVENT_INVALID_REQUEST_CHUNK_LEN
@ HTTP_DECODER_EVENT_INVALID_REQUEST_CHUNK_LEN
Definition: app-layer-htp.h:89
HTTP_DECODER_EVENT_REQUEST_FIELD_MISSING_COLON
@ HTTP_DECODER_EVENT_REQUEST_FIELD_MISSING_COLON
Definition: app-layer-htp.h:87
HTTP_DECODER_EVENT_RESPONSE_FIELD_TOO_LONG
@ HTTP_DECODER_EVENT_RESPONSE_FIELD_TOO_LONG
Definition: app-layer-htp.h:108
HTTP_DECODER_EVENT_100_CONTINUE_ALREADY_SEEN
@ HTTP_DECODER_EVENT_100_CONTINUE_ALREADY_SEEN
Definition: app-layer-htp.h:97
HTTP_DECODER_EVENT_INVALID_SERVER_PORT_IN_REQUEST
@ HTTP_DECODER_EVENT_INVALID_SERVER_PORT_IN_REQUEST
Definition: app-layer-htp.h:99
HTTP_DECODER_EVENT_GZIP_DECOMPRESSION_FAILED
@ HTTP_DECODER_EVENT_GZIP_DECOMPRESSION_FAILED
Definition: app-layer-htp.h:86