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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-http2.h | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-http2.h')
-rw-r--r-- | epan/dissectors/packet-http2.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/epan/dissectors/packet-http2.h b/epan/dissectors/packet-http2.h new file mode 100644 index 0000000..f3b961d --- /dev/null +++ b/epan/dissectors/packet-http2.h @@ -0,0 +1,88 @@ +/* packet-http2.h + * Routines for HTTP/2 dissection + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef __PACKET_HTTP2_H__ +#define __PACKET_HTTP2_H__ + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* http2 standard headers */ +#define HTTP2_HEADER_CONTENT_ENCODING "content-encoding" +#define HTTP2_HEADER_STATUS ":status" +#define HTTP2_HEADER_STATUS_PARTIAL_CONTENT "206" +#define HTTP2_HEADER_METHOD ":method" +#define HTTP2_HEADER_METHOD_CONNECT "CONNECT" +#define HTTP2_HEADER_TRANSFER_ENCODING "transfer-encoding" +#define HTTP2_HEADER_PATH ":path" +#define HTTP2_HEADER_AUTHORITY ":authority" +#define HTTP2_HEADER_SCHEME ":scheme" +#define HTTP2_HEADER_CONTENT_TYPE "content-type" +#define HTTP2_HEADER_UNKNOWN "<unknown>" +/* http2 for grpc */ +#define HTTP2_HEADER_GRPC_ENCODING "grpc-encoding" + +int dissect_http2_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ ); + +/** Get header value from current or the other direction stream. + * Return the value of a header if it appear in previous HEADERS or PROMISE frames in + * current or the other direction stream. Subdissector may invoke this function to get http2 + * header value. + * @param pinfo packet info pointer. Http2 dissector passes it to subdissector + * when dissecting http2.data.data. + * @param name the name of header. + * @param the_other_direction FALSE means from current direction stream, TRUE from the other. + * @return NULL if header was not found. Or header value. Note: the value is allocated + * by pinfo->pool. + */ +const gchar* http2_get_header_value(packet_info *pinfo, const gchar* name, gboolean the_other_direction); + +/** + * Get the HTTP/2 Stream ID for the current PDU (typically the DATA frame). + * Only valid when called from a HTTP/2 subdissector. + * Returns 0 if no HTTP/2 session was found. + */ +guint32 http2_get_stream_id(packet_info *pinfo); + +/** + * Retrieves the HTTP/2 Stream ID which is smaller than or equal to the provided + * ID. If available, sub_stream_id_out will be set and TRUE is returned. + */ +WS_DLL_PUBLIC gboolean +http2_get_stream_id_le(guint streamid, guint sub_stream_id, guint *sub_stream_id_out); + +/** + * Retrieves the HTTP/2 Stream ID which is greater than or equal to the provided + * ID. If available, sub_stream_id_out will be set and TRUE is returned. + */ +WS_DLL_PUBLIC gboolean +http2_get_stream_id_ge(guint streamid, guint sub_stream_id, guint *sub_stream_id_out); + +WS_DLL_PUBLIC void +dissect_http2_settings_ext(tvbuff_t* tvb, packet_info* pinfo _U_, proto_tree* http2_tree, guint offset); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 4 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=4 tabstop=8 expandtab: + * :indentSize=4:tabSize=8:noTabs=true: + */ |