epan/dissectors/packet-http.h

   1 /* packet-http.h
   2  *
   3  * Wireshark - Network traffic analyzer
   4  * By Gerald Combs <gerald@wireshark.org>
   5  * Copyright 1998 Gerald Combs
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #ifndef __PACKET_HTTP_H__
  11 #define __PACKET_HTTP_H__
  12
  13 #include <epan/packet.h>
  14 #include "ws_symbol_export.h"
  15
  16 WS_DLL_PUBLIC const value_string vals_http_status_code[];
  17
  18 WS_DLL_PUBLIC
  19 void http_tcp_dissector_add(uint32_t port, dissector_handle_t handle);
  20 WS_DLL_PUBLIC
  21 void http_tcp_dissector_delete(uint32_t port);
  22 WS_DLL_PUBLIC
  23 void http_tcp_port_add(uint32_t port);
  24
  25 WS_DLL_PUBLIC
  26 void http_add_path_components_to_tree(tvbuff_t* tvb, packet_info* pinfo _U_, proto_item* item, int offset, int length);
  27
  28 /* Used for HTTP statistics */
  29 typedef struct _http_info_value_t {
  30         uint32_t framenum;
  31         char    *request_method;
  32         unsigned         response_code;
  33         char    *http_host;
  34         const char    *request_uri;
  35         const char    *referer_uri;
  36         const char    *full_uri;
  37         const char    *location_base_uri;
  38         const char    *location_target;
  39 } http_info_value_t;
  40
  41 #define HTTP_PROTO_DATA_REQRES  0
  42 #define HTTP_PROTO_DATA_INFO    1
  43
  44 /** information about a request and response on a HTTP conversation. */
  45 typedef struct _http_req_res_t {
  46         /** the running number on the conversation */
  47         uint32_t number;
  48         /** frame number of the request */
  49         uint32_t req_framenum;
  50         /** frame number of the corresponding response */
  51         uint32_t res_framenum;
  52         /** timestamp of the request */
  53         nstime_t req_ts;
  54         unsigned response_code;
  55         char    *request_method;
  56         char    *http_host;
  57         char    *request_uri;
  58         char    *full_uri;
  59         bool req_has_range;
  60         bool resp_has_range;
  61
  62         /** private data used by http dissector */
  63         void* private_data;
  64 } http_req_res_t;
  65
  66 /** Conversation data of a HTTP connection. */
  67 typedef struct _http_conv_t {
  68
  69         /* Used to speed up desegmenting of chunked Transfer-Encoding. */
  70         wmem_map_t *chunk_offsets_fwd;
  71         wmem_map_t *chunk_offsets_rev;
  72
  73         /* Fields related to proxied/tunneled/Upgraded connections. */
  74         uint32_t         startframe;    /* First frame of proxied connection */
  75         int      startoffset;   /* Offset within the frame where the new protocol begins. */
  76         dissector_handle_t next_handle; /* New protocol */
  77
  78         char    *websocket_protocol;    /* Negotiated WebSocket protocol */
  79         char    *websocket_extensions;  /* Negotiated WebSocket extensions */
  80         /* Server address and port, known after first server response */
  81         uint16_t server_port;
  82         address server_addr;
  83         /** the tail node of req_res */
  84         http_req_res_t *req_res_tail;
  85         /** Information from the last request or response can
  86          * be found in the tail node. It is only sensible to look
  87          * at on the first (sequential) pass, or after startframe /
  88          * startoffset on connections that have proxied/tunneled/Upgraded.
  89          */
  90
  91         /* true means current message is chunked streaming, and not ended yet.
  92          * This is only meaningful during the first scan.
  93          */
  94         bool message_ended;
  95
  96         /* Used for req/res matching */
  97         GSList *req_list;
  98         wmem_map_t *matches_table;
  99
 100 } http_conv_t;
 101
 102 /* Used for HTTP Export Object feature */
 103 typedef struct _http_eo_t {
 104         char    *hostname;
 105         char    *filename;
 106         char    *content_type;
 107         tvbuff_t *payload;
 108 } http_eo_t;
 109
 110 #endif /* __PACKET_HTTP_H__ */