110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/* packet-http.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_HTTP_H__
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#define __PACKET_HTTP_H__
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#include <epan/packet.h>
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#include "ws_symbol_export.h"
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WS_DLL_PUBLIC const value_string vals_http_status_code[];
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WS_DLL_PUBLIC
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void http_tcp_dissector_add(guint32 port, dissector_handle_t handle);
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WS_DLL_PUBLIC
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void http_tcp_dissector_delete(guint32 port);
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WS_DLL_PUBLIC
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void http_tcp_port_add(guint32 port);
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WS_DLL_PUBLIC
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void http_add_path_components_to_tree(tvbuff_t* tvb, packet_info* pinfo _U_, proto_item* item, int offset, int length);
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/* Used for HTTP statistics */
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typedef struct _http_info_value_t {
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guint32 framenum;
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gchar *request_method;
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guint response_code;
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gchar *http_host;
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const gchar *request_uri;
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const gchar *referer_uri;
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const gchar *full_uri;
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const gchar *location_base_uri;
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const gchar *location_target;
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} http_info_value_t;
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/** information about a request and response on a HTTP conversation. */
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typedef struct _http_req_res_t {
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/** the running number on the conversation */
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guint32 number;
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/** frame number of the request */
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guint32 req_framenum;
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/** frame number of the corresponding response */
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guint32 res_framenum;
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/** timestamp of the request */
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nstime_t req_ts;
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guint response_code;
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gchar *request_method;
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gchar *http_host;
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gchar *request_uri;
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gchar *full_uri;
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/** pointer to the next element in the linked list, NULL for the tail node */
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struct _http_req_res_t *next;
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/** pointer to the previous element in the linked list, NULL for the head node */
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struct _http_req_res_t *prev;
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} http_req_res_t;
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/** Conversation data of a HTTP connection. */
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typedef struct _http_conv_t {
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guint32 req_res_num; /**< The number of requests in the conversation. */
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/* Used to speed up desegmenting of chunked Transfer-Encoding. */
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wmem_map_t *chunk_offsets_fwd;
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wmem_map_t *chunk_offsets_rev;
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/* Fields related to proxied/tunneled/Upgraded connections. */
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guint32 startframe; /* First frame of proxied connection */
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int startoffset; /* Offset within the frame where the new protocol begins. */
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dissector_handle_t next_handle; /* New protocol */
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gchar *websocket_protocol; /* Negotiated WebSocket protocol */
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gchar *websocket_extensions; /* Negotiated WebSocket extensions */
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/* Server address and port, known after first server response */
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guint16 server_port;
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address server_addr;
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/** the tail node of req_res */
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http_req_res_t *req_res_tail;
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/** Information from the last request or response can
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* be found in the tail node. It is only sensible to look
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* at on the first (sequential) pass, or after startframe /
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* startoffset on connections that have proxied/tunneled/Upgraded.
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*/
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} http_conv_t;
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typedef enum _http_type {
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HTTP_REQUEST,
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HTTP_RESPONSE,
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HTTP_NOTIFICATION,
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HTTP_OTHERS,
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SIP_DATA /* If the content is from the SIP dissector*/
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} http_type_t;
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/** Passed to dissectors called by the HTTP dissector. */
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typedef struct _http_message_info_t {
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http_type_t type; /**< Message type; may be HTTP_OTHERS if not called by HTTP */
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const char *media_str; /**< Content-Type parameters */
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const char *content_id; /**< Content-ID parameter */
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/** In http1.0/1.1, data contains the header name/value mappings, valid only within the packet scope.
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In other protocols, the http_type is used to indicate the data transported. */
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void *data;
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} http_message_info_t;
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#endif /* __PACKET_HTTP_H__ */
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