-
Notifications
You must be signed in to change notification settings - Fork 892
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add support for (un-encrypted) HTTP/2 (#2087)
Plaintext HTTP/2 is quite rare on the general "internet" but it is used in some private networks (example: 5G core network)
- Loading branch information
Showing
97 changed files
with
205 additions
and
91 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * http2.c | ||
| * | ||
| * Copyright (C) 2023 - ntop.org | ||
| * | ||
| * nDPI is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * nDPI is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with nDPI. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
|
||
|
|
||
| #include "ndpi_protocol_ids.h" | ||
|
|
||
| #define NDPI_CURRENT_PROTO NDPI_PROTOCOL_HTTP2 | ||
|
|
||
| #include "ndpi_api.h" | ||
|
|
||
| static void ndpi_int_http2_add_connection(struct ndpi_detection_module_struct * const ndpi_struct, | ||
| struct ndpi_flow_struct * const flow) | ||
| { | ||
| NDPI_LOG_INFO(ndpi_struct, "found HTTP/2\n"); | ||
| ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_HTTP2, | ||
| NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); | ||
| } | ||
|
|
||
| void ndpi_search_http2(struct ndpi_detection_module_struct *ndpi_struct, | ||
| struct ndpi_flow_struct *flow) | ||
| { | ||
| struct ndpi_packet_struct const * const packet = &ndpi_struct->packet; | ||
| const char magic[] = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"; | ||
|
|
||
| NDPI_LOG_DBG(ndpi_struct, "search http2\n"); | ||
|
|
||
| if(packet->payload_packet_len < NDPI_STATICSTRING_LEN(magic)) { | ||
| NDPI_EXCLUDE_PROTO(ndpi_struct, flow); | ||
| return; | ||
| } | ||
|
|
||
| if(strncmp((char const *)packet->payload, magic, NDPI_STATICSTRING_LEN(magic)) == 0) { | ||
| ndpi_int_http2_add_connection(ndpi_struct, flow); | ||
| return; | ||
| } | ||
|
|
||
| NDPI_EXCLUDE_PROTO(ndpi_struct, flow); | ||
| } | ||
|
|
||
| void init_http2_dissector(struct ndpi_detection_module_struct *ndpi_struct, | ||
| u_int32_t *id) | ||
| { | ||
| ndpi_set_bitmask_protocol_detection("HTTP/2", ndpi_struct, *id, | ||
| NDPI_PROTOCOL_HTTP2, | ||
| ndpi_search_http2, | ||
| NDPI_SELECTION_BITMASK_PROTOCOL_V4_V6_TCP_WITH_PAYLOAD_WITHOUT_RETRANSMISSION, | ||
| SAVE_DETECTION_BITMASK_AS_UNKNOWN, | ||
| ADD_TO_DETECTION_BITMASK); | ||
| *id += 1; | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Binary file not shown.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| Guessed flow protos: 0 | ||
|
|
||
| DPI Packets (TCP): 1 (1.00 pkts/flow) | ||
| Confidence DPI : 1 (flows) | ||
| Num dissector calls: 119 (119.00 diss/flow) | ||
| LRU cache ookla: 0/0/0 (insert/search/found) | ||
| LRU cache bittorrent: 0/0/0 (insert/search/found) | ||
| LRU cache zoom: 0/0/0 (insert/search/found) | ||
| LRU cache stun: 0/0/0 (insert/search/found) | ||
| LRU cache tls_cert: 0/0/0 (insert/search/found) | ||
| LRU cache mining: 0/0/0 (insert/search/found) | ||
| LRU cache msteams: 0/0/0 (insert/search/found) | ||
| LRU cache stun_zoom: 0/0/0 (insert/search/found) | ||
| Automa host: 0/0 (search/found) | ||
| Automa domain: 0/0 (search/found) | ||
| Automa tls cert: 0/0 (search/found) | ||
| Automa risk mask: 0/0 (search/found) | ||
| Automa common alpns: 0/0 (search/found) | ||
| Patricia risk mask: 2/0 (search/found) | ||
| Patricia risk: 0/0 (search/found) | ||
| Patricia protocols: 2/0 (search/found) | ||
|
|
||
| HTTP/2 10 1271 1 | ||
|
|
||
| 1 TCP 127.0.0.1:37824 <-> 127.0.0.1:29518 [proto: 349/HTTP/2][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 1][cat: Web/5][4 pkts/591 bytes <-> 6 pkts/680 bytes][Goodput ratio: 54/40][0.00 sec][bytes ratio: -0.070 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 1/0 0/0 1/1 0/0][Pkt Len c2s/s2c min/avg/max/stddev: 77/81 148/113 212/163 50/35][PLAIN TEXT ( HTTP/2.0)][Plen Bins: 40,10,30,10,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.