Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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 00000000..f3b961de
--- /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:
+ */