Mercurial > hg > nginx
annotate src/event/ngx_event_quic.c @ 8260:f388c0ad3477 quic
Added processing of client transport parameters.
note:
+ parameters are available in SSL connection since they are obtained by ssl
stack
quote:
During connection establishment, both endpoints make authenticated
declarations of their transport parameters. These declarations are
made unilaterally by each endpoint.
and really, we send our parameters before we read client's.
no handling of incoming parameters is made by this patch.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Sat, 21 Mar 2020 20:51:59 +0300 |
parents | 9e9eab876964 |
children | 1295b293d09a |
rev | line source |
---|---|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
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1 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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2 /* |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
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3 * Copyright (C) Nginx, Inc. |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
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4 */ |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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5 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
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6 |
8171 | 7 #include <ngx_config.h> |
8 #include <ngx_core.h> | |
8208
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HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
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9 #include <ngx_event.h> |
8182
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Moved all QUIC code into ngx_event_quic.c
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parents:
8180
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10 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
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11 |
8225 | 12 typedef struct { |
13 ngx_rbtree_node_t node; | |
14 ngx_buf_t *b; | |
15 ngx_connection_t *c; | |
16 ngx_quic_stream_t s; | |
17 } ngx_quic_stream_node_t; | |
18 | |
19 | |
20 typedef struct { | |
21 ngx_rbtree_t tree; | |
22 ngx_rbtree_node_t sentinel; | |
23 ngx_msec_t timeout; | |
24 ngx_connection_handler_pt handler; | |
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
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25 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
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26 ngx_uint_t id_counter; |
8225 | 27 } ngx_quic_streams_t; |
8182
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parents:
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28 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
8180
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29 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
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changeset
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30 struct ngx_quic_connection_s { |
8225 | 31 ngx_str_t scid; |
32 ngx_str_t dcid; | |
33 ngx_str_t token; | |
8182
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parents:
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34 |
8260
f388c0ad3477
Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8259
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35 ngx_uint_t client_tp_done; |
8247
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
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36 ngx_quic_tp_t tp; |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
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37 |
8225 | 38 /* current packet numbers for each namespace */ |
39 ngx_uint_t initial_pn; | |
40 ngx_uint_t handshake_pn; | |
41 ngx_uint_t appdata_pn; | |
8184
ec1f84996990
Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents:
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42 |
8225 | 43 ngx_quic_secrets_t secrets; |
44 ngx_ssl_t *ssl; | |
45 ngx_quic_frame_t *frames; | |
8208
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HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
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46 |
8225 | 47 ngx_quic_streams_t streams; |
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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48 ngx_uint_t max_data; |
8259
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8258
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49 |
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
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8258
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50 #define SSL_ECRYPTION_LAST ((ssl_encryption_application) + 1) |
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
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|
51 uint64_t crypto_offset[SSL_ECRYPTION_LAST]; |
8225 | 52 }; |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
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53 |
8182
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parents:
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changeset
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54 |
8204
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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55 #if BORINGSSL_API_VERSION >= 10 |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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56 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
changeset
|
57 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
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|
58 const uint8_t *secret, size_t secret_len); |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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59 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
changeset
|
60 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8203
diff
changeset
|
61 const uint8_t *secret, size_t secret_len); |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
changeset
|
62 #else |
8182
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Moved all QUIC code into ngx_event_quic.c
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parents:
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63 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
8180
diff
changeset
|
64 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
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diff
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|
65 const uint8_t *write_secret, size_t secret_len); |
8204
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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diff
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66 #endif |
8225 | 67 |
8182
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parents:
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changeset
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68 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
8180
diff
changeset
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69 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
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70 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
8180
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71 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
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|
72 enum ssl_encryption_level_t level, uint8_t alert); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
8180
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changeset
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73 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
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diff
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74 |
8225 | 75 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
8247
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Configurable transport parameters.
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parents:
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76 ngx_quic_tp_t *tp, ngx_quic_header_t *pkt); |
8225 | 77 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); |
78 static void ngx_quic_handshake_handler(ngx_event_t *rev); | |
79 static void ngx_quic_close_connection(ngx_connection_t *c); | |
80 | |
81 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
82 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
83 ngx_quic_header_t *pkt); | |
84 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
85 ngx_quic_header_t *pkt); | |
86 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
87 ngx_quic_header_t *pkt); | |
88 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
89 ngx_quic_header_t *pkt); | |
90 | |
91 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
92 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
93 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
94 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
95 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
96 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *frame); | |
8245
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
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97 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
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parents:
8241
diff
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98 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f); |
8225 | 99 |
100 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
101 ngx_quic_frame_t *frame); | |
102 | |
103 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
104 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
105 ngx_quic_frame_t *end, size_t total); | |
106 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
107 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
108 ngx_str_t *payload); | |
109 | |
110 | |
111 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
112 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
113 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
114 ngx_uint_t key); | |
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
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115 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
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116 ngx_uint_t id); |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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117 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, |
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
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118 size_t size); |
6bc18966b8c1
Stream "connection" read/write methods.
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119 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
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120 size_t size); |
8239
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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121 static void ngx_quic_stream_cleanup_handler(void *data); |
8211
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Stream "connection" read/write methods.
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122 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
6bc18966b8c1
Stream "connection" read/write methods.
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parents:
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123 ngx_chain_t *in, off_t limit); |
6bc18966b8c1
Stream "connection" read/write methods.
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parents:
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124 |
8225 | 125 |
8182
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126 static SSL_QUIC_METHOD quic_method = { |
8204
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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127 #if BORINGSSL_API_VERSION >= 10 |
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128 ngx_quic_set_read_secret, |
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129 ngx_quic_set_write_secret, |
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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130 #else |
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131 ngx_quic_set_encryption_secrets, |
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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132 #endif |
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133 ngx_quic_add_handshake_data, |
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134 ngx_quic_flush_flight, |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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135 ngx_quic_send_alert, |
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parents:
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136 }; |
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137 |
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138 |
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139 #if BORINGSSL_API_VERSION >= 10 |
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140 |
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141 static int |
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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142 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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143 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
8221
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Split transport and crypto parts into separate files.
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144 const uint8_t *rsecret, size_t secret_len) |
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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145 { |
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Split transport and crypto parts into separate files.
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146 ngx_connection_t *c; |
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147 |
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148 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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149 |
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150 ngx_quic_hexdump(c->log, "level:%d read secret", |
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Split transport and crypto parts into separate files.
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151 rsecret, secret_len, level); |
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152 |
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153 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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Split transport and crypto parts into separate files.
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154 rsecret, secret_len, |
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155 &c->quic->secrets.client); |
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156 } |
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157 |
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158 |
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|
159 static int |
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160 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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|
161 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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162 const uint8_t *wsecret, size_t secret_len) |
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163 { |
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164 ngx_connection_t *c; |
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165 |
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166 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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167 |
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168 ngx_quic_hexdump(c->log, "level:%d write secret", |
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|
169 wsecret, secret_len, level); |
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170 |
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171 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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172 wsecret, secret_len, |
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|
173 &c->quic->secrets.server); |
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174 } |
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175 |
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176 #else |
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177 |
8182
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178 static int |
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179 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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180 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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181 const uint8_t *wsecret, size_t secret_len) |
8182
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182 { |
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183 ngx_int_t rc; |
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|
184 ngx_connection_t *c; |
8182
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185 |
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186 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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187 |
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188 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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189 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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190 |
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191 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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192 rsecret, secret_len, |
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193 &c->quic->secrets.client); |
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|
194 if (rc != 1) { |
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|
195 return rc; |
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196 } |
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197 |
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198 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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199 wsecret, secret_len, |
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|
200 &c->quic->secrets.server); |
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|
201 } |
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202 |
8204
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|
203 #endif |
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204 |
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205 |
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|
206 static int |
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|
207 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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|
208 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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209 { |
8260
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|
210 u_char *p, *end; |
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|
211 size_t client_params_len; |
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|
212 const uint8_t *client_params; |
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|
213 ngx_quic_tp_t ctp; |
8225 | 214 ngx_quic_frame_t *frame; |
215 ngx_connection_t *c; | |
216 ngx_quic_connection_t *qc; | |
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|
217 |
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|
218 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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|
219 qc = c->quic; |
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|
220 |
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|
221 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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|
222 "ngx_quic_add_handshake_data"); |
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|
223 |
8260
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|
224 /* XXX: obtain client parameters after the handshake? */ |
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|
225 if (!qc->client_tp_done) { |
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|
226 |
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|
227 SSL_get_peer_quic_transport_params(ssl_conn, &client_params, |
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|
228 &client_params_len); |
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|
229 |
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|
230 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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|
231 "SSL_get_peer_quic_transport_params(): params_len %ui", |
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|
232 client_params_len); |
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|
233 |
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diff
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|
234 if (client_params_len != 0) { |
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|
235 p = (u_char *) client_params; |
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|
236 end = p + client_params_len; |
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|
237 |
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|
238 ngx_memzero(&ctp, sizeof(ngx_quic_tp_t)); |
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|
239 |
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|
240 if (ngx_quic_parse_transport_params(p, end, &ctp, c->log) != NGX_OK) |
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|
241 { |
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|
242 return NGX_ERROR; |
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|
243 } |
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|
244 |
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|
245 /* TODO: save/use obtained client parameters: merge with ours? */ |
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246 |
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|
247 qc->client_tp_done = 1; |
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248 } |
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|
249 } |
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|
250 |
8186
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|
251 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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Implemented improved version of quic_output().
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|
252 if (frame == NULL) { |
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|
253 return 0; |
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|
254 } |
8184
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|
255 |
8186
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|
256 p = ngx_pnalloc(c->pool, len); |
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|
257 if (p == NULL) { |
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|
258 return 0; |
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|
259 } |
8186
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|
260 |
0a2683df5f11
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|
261 ngx_memcpy(p, data, len); |
8184
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|
262 |
8186
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changeset
|
263 frame->level = level; |
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diff
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|
264 frame->type = NGX_QUIC_FT_CRYPTO; |
8259
9e9eab876964
Fixed CRYPTO offset generation.
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8258
diff
changeset
|
265 frame->u.crypto.offset += qc->crypto_offset[level]; |
8186
0a2683df5f11
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|
266 frame->u.crypto.len = len; |
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changeset
|
267 frame->u.crypto.data = p; |
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diff
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|
268 |
8259
9e9eab876964
Fixed CRYPTO offset generation.
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parents:
8258
diff
changeset
|
269 qc->crypto_offset[level] += len; |
9e9eab876964
Fixed CRYPTO offset generation.
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8258
diff
changeset
|
270 |
8186
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Implemented improved version of quic_output().
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diff
changeset
|
271 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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|
272 |
0a2683df5f11
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changeset
|
273 ngx_quic_queue_frame(qc, frame); |
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274 |
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275 return 1; |
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276 } |
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277 |
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278 |
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279 static int |
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280 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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281 { |
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282 ngx_connection_t *c; |
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283 |
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284 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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285 |
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286 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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287 |
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288 return 1; |
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289 } |
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290 |
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291 |
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|
292 static int |
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293 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
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294 uint8_t alert) |
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295 { |
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|
296 ngx_connection_t *c; |
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297 ngx_quic_frame_t *frame; |
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298 |
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299 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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300 |
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301 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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302 "ngx_quic_send_alert(), lvl=%d, alert=%d", |
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303 (int) level, (int) alert); |
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304 |
8235
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305 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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306 if (frame == NULL) { |
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307 return 0; |
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308 } |
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309 |
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310 frame->level = level; |
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311 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE; |
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312 frame->u.close.error_code = 0x100 + alert; |
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313 |
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314 ngx_quic_queue_frame(c->quic, frame); |
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315 |
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316 if (ngx_quic_output(c) != NGX_OK) { |
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317 return 0; |
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318 } |
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319 |
8182
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320 return 1; |
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321 } |
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322 |
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323 |
8225 | 324 void |
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325 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
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326 ngx_msec_t timeout, ngx_connection_handler_pt handler) |
8225 | 327 { |
328 ngx_buf_t *b; | |
329 ngx_quic_header_t pkt; | |
330 | |
331 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic handshake"); | |
332 | |
333 c->log->action = "QUIC handshaking"; | |
334 | |
335 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
336 | |
337 b = c->buffer; | |
338 | |
339 pkt.log = c->log; | |
340 pkt.raw = b; | |
341 pkt.data = b->start; | |
342 pkt.len = b->last - b->start; | |
343 | |
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344 if (ngx_quic_new_connection(c, ssl, tp, &pkt) != NGX_OK) { |
8225 | 345 ngx_quic_close_connection(c); |
346 return; | |
347 } | |
348 | |
349 // we don't need stream handler for initial packet processing | |
350 c->quic->streams.handler = handler; | |
351 c->quic->streams.timeout = timeout; | |
352 | |
353 ngx_add_timer(c->read, timeout); | |
354 | |
355 c->read->handler = ngx_quic_handshake_handler; | |
356 | |
357 return; | |
358 } | |
359 | |
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360 |
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361 static ngx_int_t |
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362 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
8225 | 363 ngx_quic_header_t *pkt) |
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364 { |
8225 | 365 ngx_quic_connection_t *qc; |
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366 |
8225 | 367 if (ngx_buf_size(pkt->raw) < 1200) { |
368 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
369 return NGX_ERROR; | |
370 } | |
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371 |
8225 | 372 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
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373 return NGX_ERROR; |
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374 } |
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375 |
8251
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Added checks for permitted frame types.
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376 if (!ngx_quic_pkt_in(pkt->flags)) { |
8225 | 377 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
378 "invalid initial packet: 0x%xi", pkt->flags); | |
379 return NGX_ERROR; | |
380 } | |
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381 |
8225 | 382 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
383 return NGX_ERROR; | |
384 } | |
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385 |
8225 | 386 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
387 if (qc == NULL) { | |
388 return NGX_ERROR; | |
8199
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389 } |
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|
390 |
8225 | 391 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
392 ngx_quic_rbtree_insert_stream); | |
393 | |
394 c->quic = qc; | |
395 qc->ssl = ssl; | |
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396 qc->tp = *tp; |
8225 | 397 |
398 qc->dcid.len = pkt->dcid.len; | |
399 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
400 if (qc->dcid.data == NULL) { | |
401 return NGX_ERROR; | |
402 } | |
403 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
404 | |
405 qc->scid.len = pkt->scid.len; | |
406 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
407 if (qc->scid.data == NULL) { | |
408 return NGX_ERROR; | |
409 } | |
410 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
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411 |
8225 | 412 qc->token.len = pkt->token.len; |
413 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
414 if (qc->token.data == NULL) { | |
415 return NGX_ERROR; | |
416 } | |
417 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
418 | |
419 | |
420 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
421 != NGX_OK) | |
422 { | |
423 return NGX_ERROR; | |
424 } | |
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425 |
8225 | 426 pkt->secret = &qc->secrets.client.in; |
427 pkt->level = ssl_encryption_initial; | |
428 | |
429 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
430 return NGX_ERROR; | |
431 } | |
432 | |
433 if (ngx_quic_init_connection(c) != NGX_OK) { | |
434 return NGX_ERROR; | |
435 } | |
436 | |
437 return ngx_quic_payload_handler(c, pkt); | |
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438 } |
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439 |
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440 |
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|
441 static ngx_int_t |
8221
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Split transport and crypto parts into separate files.
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442 ngx_quic_init_connection(ngx_connection_t *c) |
8199
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443 { |
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444 int n, sslerr; |
8247
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445 u_char *p; |
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446 ssize_t len; |
8199
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447 ngx_ssl_conn_t *ssl_conn; |
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448 ngx_quic_connection_t *qc; |
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449 |
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450 qc = c->quic; |
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451 |
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452 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
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453 return NGX_ERROR; |
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454 } |
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455 |
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456 ssl_conn = c->ssl->connection; |
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457 |
8232
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Moved setting QUIC methods to runtime.
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diff
changeset
|
458 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) { |
253cf267f95a
Moved setting QUIC methods to runtime.
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|
459 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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Moved setting QUIC methods to runtime.
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|
460 "SSL_set_quic_method() failed"); |
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Moved setting QUIC methods to runtime.
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461 return NGX_ERROR; |
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Moved setting QUIC methods to runtime.
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|
462 } |
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Moved setting QUIC methods to runtime.
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diff
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|
463 |
8247
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|
464 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp); |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
465 /* always succeeds */ |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
466 |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
467 p = ngx_pnalloc(c->pool, len); |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
468 if (p == NULL) { |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
469 return NGX_ERROR; |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
470 } |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
471 |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
472 len = ngx_quic_create_transport_params(p, p + len, &qc->tp); |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
473 if (len < 0) { |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
474 return NGX_ERROR; |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
475 } |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
476 |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
8246
diff
changeset
|
477 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) { |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
478 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
479 "SSL_set_quic_transport_params() failed"); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
480 return NGX_ERROR; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
481 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
482 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
483 n = SSL_do_handshake(ssl_conn); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
484 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
485 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
486 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
487 if (n == -1) { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
488 sslerr = SSL_get_error(ssl_conn, n); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
489 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
490 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
491 sslerr); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
492 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
493 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
494 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
495 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
496 (int) SSL_quic_read_level(ssl_conn), |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
497 (int) SSL_quic_write_level(ssl_conn)); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
498 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
499 return NGX_OK; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
500 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
501 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
502 |
8225 | 503 static void |
504 ngx_quic_handshake_handler(ngx_event_t *rev) | |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
505 { |
8225 | 506 ssize_t n; |
507 ngx_buf_t b; | |
508 ngx_connection_t *c; | |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
509 |
8225 | 510 u_char buf[512]; |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
511 |
8225 | 512 b.start = buf; |
513 b.end = buf + 512; | |
514 b.pos = b.last = b.start; | |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
515 |
8225 | 516 c = rev->data; |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
517 |
8225 | 518 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic handshake handler"); |
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
519 |
8225 | 520 if (rev->timedout) { |
521 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
522 ngx_quic_close_connection(c); | |
523 return; | |
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
524 } |
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
525 |
8246
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
8245
diff
changeset
|
526 ngx_add_timer(rev, c->quic->streams.timeout); |
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
8245
diff
changeset
|
527 |
8225 | 528 if (c->close) { |
529 ngx_quic_close_connection(c); | |
530 return; | |
531 } | |
8220
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents:
8218
diff
changeset
|
532 |
8225 | 533 n = c->recv(c, b.start, b.end - b.start); |
8215 | 534 |
8225 | 535 if (n == NGX_AGAIN) { |
536 return; | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
537 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
538 |
8225 | 539 if (n == NGX_ERROR) { |
540 c->read->eof = 1; | |
541 ngx_quic_close_connection(c); | |
542 return; | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
543 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
544 |
8225 | 545 b.last += n; |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
546 |
8225 | 547 if (ngx_quic_input(c, &b) != NGX_OK) { |
548 ngx_quic_close_connection(c); | |
549 return; | |
550 } | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
551 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
552 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
553 |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
554 static void |
8225 | 555 ngx_quic_close_connection(ngx_connection_t *c) |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
556 { |
8225 | 557 ngx_pool_t *pool; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
558 |
8225 | 559 /* XXX wait for all streams to close */ |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
560 |
8225 | 561 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
562 "close quic connection: %d", c->fd); | |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
563 |
8225 | 564 if (c->ssl) { |
565 (void) ngx_ssl_shutdown(c); | |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
566 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
567 |
8225 | 568 #if (NGX_STAT_STUB) |
569 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
570 #endif | |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
571 |
8225 | 572 c->destroyed = 1; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
573 |
8225 | 574 pool = c->pool; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
575 |
8225 | 576 ngx_close_connection(c); |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
577 |
8225 | 578 ngx_destroy_pool(pool); |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
579 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
580 |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
581 |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
582 static ngx_int_t |
8225 | 583 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b) |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
584 { |
8225 | 585 u_char *p; |
586 ngx_int_t rc; | |
587 ngx_quic_header_t pkt; | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
588 |
8225 | 589 if (c->quic == NULL) { |
590 // XXX: possible? | |
591 ngx_log_error(NGX_LOG_INFO, c->log, 0, "BUG: no QUIC in connection"); | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
592 return NGX_ERROR; |
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
593 } |
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
594 |
8225 | 595 p = b->start; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
596 |
8225 | 597 do { |
598 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
599 pkt.raw = b; | |
600 pkt.data = p; | |
601 pkt.len = b->last - p; | |
602 pkt.log = c->log; | |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
603 pkt.flags = p[0]; |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
604 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
605 if (pkt.flags == 0) { |
8225 | 606 /* XXX: no idea WTF is this, just ignore */ |
607 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
608 break; | |
609 } | |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
610 |
8225 | 611 // TODO: check current state |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
612 if (ngx_quic_long_pkt(pkt.flags)) { |
8225 | 613 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
614 if (ngx_quic_pkt_in(pkt.flags)) { |
8225 | 615 rc = ngx_quic_initial_input(c, &pkt); |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
616 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
617 } else if (ngx_quic_pkt_hs(pkt.flags)) { |
8225 | 618 rc = ngx_quic_handshake_input(c, &pkt); |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
619 |
8225 | 620 } else { |
621 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
622 "BUG: unknown quic state"); | |
623 return NGX_ERROR; | |
624 } | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
625 |
8225 | 626 } else { |
627 rc = ngx_quic_app_input(c, &pkt); | |
628 } | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
629 |
8225 | 630 if (rc == NGX_ERROR) { |
631 return NGX_ERROR; | |
632 } | |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
633 |
8225 | 634 /* b->pos is at header end, adjust by actual packet length */ |
635 p = b->pos + pkt.len; | |
636 b->pos = p; /* reset b->pos to the next packet start */ | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
637 |
8225 | 638 } while (p < b->last); |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
639 |
8225 | 640 return NGX_OK; |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
641 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
642 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
643 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
644 static ngx_int_t |
8223 | 645 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
646 { | |
647 ngx_ssl_conn_t *ssl_conn; | |
648 ngx_quic_connection_t *qc; | |
649 | |
650 qc = c->quic; | |
651 ssl_conn = c->ssl->connection; | |
652 | |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
653 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
8223 | 654 return NGX_ERROR; |
655 } | |
656 | |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
657 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
8223 | 658 return NGX_ERROR; |
659 } | |
660 | |
661 pkt->secret = &qc->secrets.client.in; | |
662 pkt->level = ssl_encryption_initial; | |
663 | |
664 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
665 return NGX_ERROR; | |
666 } | |
667 | |
668 return ngx_quic_payload_handler(c, pkt); | |
669 } | |
670 | |
671 | |
672 static ngx_int_t | |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
673 ngx_quic_handshake_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
674 { |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
675 ngx_quic_connection_t *qc; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
676 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
677 qc = c->quic; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
678 |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
679 /* extract cleartext data into pkt */ |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
680 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
681 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
682 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
683 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
684 if (pkt->dcid.len != qc->dcid.len) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
685 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic dcidl"); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
686 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
687 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
688 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
689 if (ngx_memcmp(pkt->dcid.data, qc->dcid.data, qc->dcid.len) != 0) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
690 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic dcid"); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
691 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
692 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
693 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
694 if (pkt->scid.len != qc->scid.len) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
695 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic scidl"); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
696 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
697 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
698 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
699 if (ngx_memcmp(pkt->scid.data, qc->scid.data, qc->scid.len) != 0) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
700 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic scid"); |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
701 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
702 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
703 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
704 if (!ngx_quic_pkt_hs(pkt->flags)) { |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
705 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
706 "invalid packet type: 0x%xi", pkt->flags); |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
707 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
708 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
709 |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
710 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
711 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
712 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
713 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
714 pkt->secret = &qc->secrets.client.hs; |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
715 pkt->level = ssl_encryption_handshake; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
716 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
717 if (ngx_quic_decrypt(c->pool, c->ssl->connection, pkt) != NGX_OK) { |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
718 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
719 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
720 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
721 return ngx_quic_payload_handler(c, pkt); |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
722 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
723 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
724 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
725 static ngx_int_t |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
726 ngx_quic_app_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
727 { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
728 ngx_quic_connection_t *qc; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
729 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
730 qc = c->quic; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
731 |
8223 | 732 if (qc->secrets.client.ad.key.len == 0) { |
733 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
734 "no read keys yet, packet ignored"); | |
735 return NGX_DECLINED; | |
736 } | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
737 |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
738 if (ngx_quic_parse_short_header(pkt, &qc->dcid) != NGX_OK) { |
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
739 return NGX_ERROR; |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
740 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
741 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
742 pkt->secret = &qc->secrets.client.ad; |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
743 pkt->level = ssl_encryption_application; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
744 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
745 if (ngx_quic_decrypt(c->pool, c->ssl->connection, pkt) != NGX_OK) { |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
746 return NGX_ERROR; |
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
747 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
748 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
749 return ngx_quic_payload_handler(c, pkt); |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
750 } |
8171 | 751 |
752 | |
8225 | 753 static ngx_int_t |
754 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
755 { | |
756 u_char *end, *p; | |
757 ssize_t len; | |
758 ngx_uint_t ack_this, do_close; | |
759 ngx_quic_frame_t frame, *ack_frame; | |
760 ngx_quic_connection_t *qc; | |
761 | |
762 qc = c->quic; | |
763 | |
764 p = pkt->payload.data; | |
765 end = p + pkt->payload.len; | |
766 | |
767 ack_this = 0; | |
768 do_close = 0; | |
769 | |
770 while (p < end) { | |
771 | |
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
772 len = ngx_quic_parse_frame(pkt, p, end, &frame); |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
773 |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
774 if (len == NGX_DECLINED) { |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
775 /* TODO: handle protocol violation: |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
776 * such frame not allowed in this packet |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
777 */ |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
778 return NGX_ERROR; |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
779 } |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
780 |
8225 | 781 if (len < 0) { |
782 return NGX_ERROR; | |
783 } | |
784 | |
785 p += len; | |
786 | |
787 switch (frame.type) { | |
788 | |
789 case NGX_QUIC_FT_ACK: | |
790 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
791 return NGX_ERROR; | |
792 } | |
793 | |
794 break; | |
795 | |
796 case NGX_QUIC_FT_CRYPTO: | |
797 | |
798 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
799 != NGX_OK) | |
800 { | |
801 return NGX_ERROR; | |
802 } | |
803 | |
804 ack_this = 1; | |
805 break; | |
806 | |
807 case NGX_QUIC_FT_PADDING: | |
808 break; | |
809 | |
810 case NGX_QUIC_FT_PING: | |
811 ack_this = 1; | |
812 break; | |
813 | |
814 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
815 ack_this = 1; | |
816 break; | |
817 | |
818 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
8258
80d7144b1c38
Closing connection on NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8252
diff
changeset
|
819 case NGX_QUIC_FT_CONNECTION_CLOSE2: |
8225 | 820 |
821 do_close = 1; | |
822 break; | |
823 | |
824 case NGX_QUIC_FT_STREAM0: | |
825 case NGX_QUIC_FT_STREAM1: | |
826 case NGX_QUIC_FT_STREAM2: | |
827 case NGX_QUIC_FT_STREAM3: | |
828 case NGX_QUIC_FT_STREAM4: | |
829 case NGX_QUIC_FT_STREAM5: | |
830 case NGX_QUIC_FT_STREAM6: | |
831 case NGX_QUIC_FT_STREAM7: | |
832 | |
833 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
834 != NGX_OK) | |
835 { | |
836 return NGX_ERROR; | |
837 } | |
838 | |
839 ack_this = 1; | |
840 break; | |
841 | |
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
842 case NGX_QUIC_FT_MAX_DATA: |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
843 c->quic->max_data = frame.u.max_data.max_data; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
844 ack_this = 1; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
845 break; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
846 |
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
847 case NGX_QUIC_FT_RESET_STREAM: |
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
848 /* TODO: handle */ |
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
849 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
850 |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
851 case NGX_QUIC_FT_STOP_SENDING: |
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
852 /* TODO: handle; need ack ? */ |
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
853 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
854 |
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
855 case NGX_QUIC_FT_STREAMS_BLOCKED: |
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
856 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
8245
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
857 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
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858 if (ngx_quic_handle_streams_blocked_frame(c, pkt, |
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859 &frame.u.streams_blocked) |
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860 != NGX_OK) |
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861 { |
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862 return NGX_ERROR; |
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863 } |
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864 |
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865 ack_this = 1; |
8236
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866 break; |
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867 |
8225 | 868 default: |
869 return NGX_ERROR; | |
870 } | |
871 } | |
872 | |
873 if (p != end) { | |
874 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
875 "trailing garbage in payload: %ui bytes", end - p); | |
876 return NGX_ERROR; | |
877 } | |
878 | |
879 if (do_close) { | |
8258
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880 ngx_quic_close_connection(c); |
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881 return NGX_OK; |
8225 | 882 } |
883 | |
884 if (ack_this == 0) { | |
885 /* do not ack packets with ACKs and PADDING */ | |
886 return NGX_OK; | |
887 } | |
888 | |
889 // packet processed, ACK it now if required | |
890 // TODO: if (ack_required) ... - currently just ack each packet | |
891 | |
892 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
893 if (ack_frame == NULL) { | |
894 return NGX_ERROR; | |
895 } | |
896 | |
897 ack_frame->level = pkt->level; | |
898 ack_frame->type = NGX_QUIC_FT_ACK; | |
899 ack_frame->u.ack.pn = pkt->pn; | |
900 | |
901 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
902 ngx_quic_queue_frame(qc, ack_frame); | |
903 | |
904 return ngx_quic_output(c); | |
905 } | |
906 | |
907 | |
908 static ngx_int_t | |
909 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
910 ngx_quic_ack_frame_t *f) | |
911 { | |
912 /* TODO: handle ACK here */ | |
913 return NGX_OK; | |
914 } | |
915 | |
916 | |
917 static ngx_int_t | |
918 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
919 ngx_quic_crypto_frame_t *f) | |
920 { | |
921 int sslerr; | |
922 ssize_t n; | |
923 ngx_ssl_conn_t *ssl_conn; | |
924 | |
925 if (f->offset != 0x0) { | |
926 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
927 "crypto frame with non-zero offset"); | |
928 // TODO: add support for crypto frames spanning packets | |
929 return NGX_ERROR; | |
930 } | |
931 | |
932 ssl_conn = c->ssl->connection; | |
933 | |
934 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
935 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
936 (int) SSL_quic_read_level(ssl_conn), | |
937 (int) SSL_quic_write_level(ssl_conn)); | |
938 | |
939 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
940 f->data, f->len)) | |
941 { | |
942 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
943 "SSL_provide_quic_data() failed"); | |
944 return NGX_ERROR; | |
945 } | |
946 | |
947 n = SSL_do_handshake(ssl_conn); | |
948 | |
949 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
950 | |
951 if (n == -1) { | |
952 sslerr = SSL_get_error(ssl_conn, n); | |
953 | |
954 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
955 sslerr); | |
956 | |
957 if (sslerr == SSL_ERROR_SSL) { | |
958 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
959 } | |
960 } | |
961 | |
962 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
963 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
964 | |
965 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
966 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
967 (int) SSL_quic_read_level(ssl_conn), | |
968 (int) SSL_quic_write_level(ssl_conn)); | |
969 | |
970 return NGX_OK; | |
971 } | |
972 | |
973 | |
974 static ngx_int_t | |
975 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
976 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
977 { | |
978 ngx_buf_t *b; | |
979 ngx_quic_connection_t *qc; | |
980 ngx_quic_stream_node_t *sn; | |
981 | |
982 qc = c->quic; | |
983 | |
984 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
985 | |
986 if (sn) { | |
987 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
988 b = sn->b; | |
989 | |
990 if ((size_t) (b->end - b->pos) < f->length) { | |
991 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
992 return NGX_ERROR; | |
993 } | |
994 | |
995 ngx_memcpy(b->pos, f->data, f->length); | |
996 b->pos += f->length; | |
997 | |
998 // TODO: notify | |
999 | |
1000 return NGX_OK; | |
1001 } | |
1002 | |
1003 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
1004 | |
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1005 sn = ngx_quic_create_stream(c, f->stream_id); |
8225 | 1006 if (sn == NULL) { |
1007 return NGX_ERROR; | |
1008 } | |
1009 | |
1010 b = sn->b; | |
1011 | |
1012 ngx_memcpy(b->start, f->data, f->length); | |
1013 b->last = b->start + f->length; | |
1014 | |
1015 qc->streams.handler(sn->c); | |
1016 | |
1017 return NGX_OK; | |
1018 } | |
1019 | |
1020 | |
8245
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1021 static ngx_int_t |
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1022 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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1023 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f) |
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1024 { |
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1025 ngx_quic_frame_t *frame; |
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1026 |
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1027 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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1028 if (frame == NULL) { |
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1029 return NGX_ERROR; |
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1030 } |
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1031 |
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1032 frame->level = pkt->level; |
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1033 frame->type = NGX_QUIC_FT_MAX_STREAMS; |
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1034 frame->u.max_streams.limit = f->limit * 2; |
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1035 frame->u.max_streams.bidi = f->bidi; |
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1036 |
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1037 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d", |
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1038 (int) frame->u.max_streams.limit, |
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1039 (int) frame->u.max_streams.bidi, |
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1040 frame->level); |
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1041 |
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1042 ngx_quic_queue_frame(c->quic, frame); |
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1043 |
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1044 return NGX_OK; |
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1045 } |
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1046 |
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|
1047 |
8225 | 1048 static void |
1049 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
1050 { | |
1051 ngx_quic_frame_t *f; | |
1052 | |
1053 if (qc->frames == NULL) { | |
1054 qc->frames = frame; | |
1055 return; | |
1056 } | |
1057 | |
1058 for (f = qc->frames; f->next; f = f->next) { | |
1059 if (f->next->level > frame->level) { | |
1060 break; | |
1061 } | |
1062 } | |
1063 | |
1064 frame->next = f->next; | |
1065 f->next = frame; | |
1066 } | |
1067 | |
1068 | |
1069 static ngx_int_t | |
1070 ngx_quic_output(ngx_connection_t *c) | |
1071 { | |
1072 size_t len; | |
1073 ngx_uint_t lvl; | |
1074 ngx_quic_frame_t *f, *start; | |
1075 ngx_quic_connection_t *qc; | |
1076 | |
1077 qc = c->quic; | |
1078 | |
1079 if (qc->frames == NULL) { | |
1080 return NGX_OK; | |
1081 } | |
1082 | |
1083 lvl = qc->frames->level; | |
1084 start = qc->frames; | |
1085 f = start; | |
1086 | |
1087 do { | |
1088 len = 0; | |
1089 | |
1090 do { | |
1091 /* process same-level group of frames */ | |
1092 | |
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1093 len += ngx_quic_create_frame(NULL, NULL, f);// TODO: handle overflow, max size |
8225 | 1094 |
1095 f = f->next; | |
1096 } while (f && f->level == lvl); | |
1097 | |
1098 | |
1099 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
1100 return NGX_ERROR; | |
1101 } | |
1102 | |
1103 if (f == NULL) { | |
1104 break; | |
1105 } | |
1106 | |
1107 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
1108 start = f; | |
1109 | |
1110 } while (1); | |
1111 | |
1112 qc->frames = NULL; | |
1113 | |
1114 return NGX_OK; | |
1115 } | |
1116 | |
1117 | |
1118 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
1119 ngx_int_t | |
1120 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
1121 ngx_quic_frame_t *end, size_t total) | |
1122 { | |
1123 ssize_t len; | |
1124 u_char *p; | |
1125 ngx_str_t out; | |
1126 ngx_quic_frame_t *f; | |
1127 | |
1128 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1129 "sending frames %p...%p", start, end); | |
1130 | |
1131 p = ngx_pnalloc(c->pool, total); | |
1132 if (p == NULL) { | |
1133 return NGX_ERROR; | |
1134 } | |
1135 | |
1136 out.data = p; | |
1137 | |
1138 for (f = start; f != end; f = f->next) { | |
1139 | |
1140 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
1141 | |
1142 len = ngx_quic_create_frame(p, p + total, f); | |
1143 if (len == -1) { | |
1144 return NGX_ERROR; | |
1145 } | |
1146 | |
1147 p += len; | |
1148 } | |
1149 | |
1150 out.len = p - out.data; | |
1151 | |
1152 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1153 "packet ready: %ui bytes at level %d", | |
1154 out.len, start->level); | |
1155 | |
1156 // IOVEC/sendmsg_chain ? | |
1157 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
1158 return NGX_ERROR; | |
1159 } | |
1160 | |
1161 return NGX_OK; | |
1162 } | |
1163 | |
1164 | |
1165 static ngx_int_t | |
1166 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
1167 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
1168 { | |
1169 ngx_str_t res; | |
1170 ngx_quic_header_t pkt; | |
1171 | |
1172 pkt.log = c->log; | |
1173 | |
1174 static ngx_str_t initial_token = ngx_null_string; | |
1175 | |
1176 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
1177 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
1178 | |
1179 pkt.level = level; | |
1180 pkt.dcid = qc->dcid; | |
1181 pkt.scid = qc->scid; | |
1182 | |
1183 if (level == ssl_encryption_initial) { | |
1184 pkt.number = &qc->initial_pn; | |
1185 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
1186 pkt.secret = &qc->secrets.server.in; | |
1187 pkt.token = initial_token; | |
1188 | |
1189 } else if (level == ssl_encryption_handshake) { | |
1190 pkt.number = &qc->handshake_pn; | |
1191 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
1192 pkt.secret = &qc->secrets.server.hs; | |
1193 | |
1194 } else { | |
1195 pkt.number = &qc->appdata_pn; | |
1196 pkt.secret = &qc->secrets.server.ad; | |
1197 } | |
1198 | |
1199 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
1200 != NGX_OK) | |
1201 { | |
1202 return NGX_ERROR; | |
1203 } | |
1204 | |
1205 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
1206 | |
1207 c->send(c, res.data, res.len); // TODO: err handling | |
1208 | |
1209 (*pkt.number)++; | |
1210 | |
1211 return NGX_OK; | |
1212 } | |
1213 | |
1214 | |
1215 ngx_connection_t * | |
1216 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
1217 { | |
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1218 ngx_uint_t id; |
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1219 ngx_quic_stream_t *qs; |
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1220 ngx_quic_connection_t *qc; |
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1221 ngx_quic_stream_node_t *sn; |
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1222 |
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1223 qs = c->qs; |
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1224 qc = qs->parent->quic; |
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1225 |
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1226 /* |
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1227 * A stream ID is a 62-bit integer that is unique for all streams |
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1228 * on a connection. |
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1229 * |
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diff
changeset
|
1230 * 0x3 | Server-Initiated, Unidirectional |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1231 */ |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1232 id = (qc->streams.id_counter << 2) | 0x3; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1233 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1234 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1235 "creating server uni stream #%ui id %ui", |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1236 qc->streams.id_counter, id); |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1237 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1238 qc->streams.id_counter++; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1239 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1240 sn = ngx_quic_create_stream(qs->parent, id); |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1241 if (sn == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1242 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1243 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1244 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1245 return sn->c; |
8225 | 1246 } |
1247 | |
1248 | |
1249 static void | |
1250 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
1251 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
1252 { | |
1253 ngx_rbtree_node_t **p; | |
1254 ngx_quic_stream_node_t *qn, *qnt; | |
1255 | |
1256 for ( ;; ) { | |
1257 | |
1258 if (node->key < temp->key) { | |
1259 | |
1260 p = &temp->left; | |
1261 | |
1262 } else if (node->key > temp->key) { | |
1263 | |
1264 p = &temp->right; | |
1265 | |
1266 } else { /* node->key == temp->key */ | |
1267 | |
1268 qn = (ngx_quic_stream_node_t *) &node->color; | |
1269 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
1270 | |
1271 if (qn->c < qnt->c) { | |
1272 p = &temp->left; | |
1273 } else { | |
1274 p = &temp->right; | |
1275 } | |
1276 } | |
1277 | |
1278 if (*p == sentinel) { | |
1279 break; | |
1280 } | |
1281 | |
1282 temp = *p; | |
1283 } | |
1284 | |
1285 *p = node; | |
1286 node->parent = temp; | |
1287 node->left = sentinel; | |
1288 node->right = sentinel; | |
1289 ngx_rbt_red(node); | |
1290 } | |
1291 | |
1292 | |
1293 static ngx_quic_stream_node_t * | |
1294 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
1295 { | |
1296 ngx_rbtree_node_t *node, *sentinel; | |
1297 | |
1298 node = rbtree->root; | |
1299 sentinel = rbtree->sentinel; | |
1300 | |
1301 while (node != sentinel) { | |
1302 | |
1303 if (key == node->key) { | |
1304 return (ngx_quic_stream_node_t *) node; | |
1305 } | |
1306 | |
1307 node = (key < node->key) ? node->left : node->right; | |
1308 } | |
1309 | |
1310 return NULL; | |
1311 } | |
1312 | |
1313 | |
8229
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Implemented creation of server unidirectional streams.
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|
1314 static ngx_quic_stream_node_t * |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1315 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1316 { |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1317 ngx_log_t *log; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1318 ngx_pool_t *pool; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1319 ngx_event_t *rev, *wev; |
8239
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
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8237
diff
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|
1320 ngx_pool_cleanup_t *cln; |
8229
cfc429911c0d
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parents:
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diff
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|
1321 ngx_quic_connection_t *qc; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1322 ngx_quic_stream_node_t *sn; |
cfc429911c0d
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parents:
8225
diff
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|
1323 |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
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|
1324 qc = c->quic; |
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1325 |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1326 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1327 if (sn == NULL) { |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1328 return NULL; |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1329 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1330 |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1331 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1332 if (sn->c == NULL) { |
cfc429911c0d
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diff
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|
1333 return NULL; |
cfc429911c0d
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diff
changeset
|
1334 } |
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1335 |
cfc429911c0d
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diff
changeset
|
1336 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1337 if (pool == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1338 /* XXX free connection */ |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1339 // TODO: add pool cleanup handdler |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1340 return NULL; |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1341 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1342 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1343 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1344 if (log == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
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|
1345 /* XXX free pool and connection */ |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1346 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1347 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1348 |
cfc429911c0d
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diff
changeset
|
1349 *log = *c->log; |
cfc429911c0d
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diff
changeset
|
1350 pool->log = log; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
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|
1351 |
cfc429911c0d
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diff
changeset
|
1352 sn->c->log = log; |
cfc429911c0d
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diff
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|
1353 sn->c->pool = pool; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1354 |
cfc429911c0d
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8225
diff
changeset
|
1355 sn->c->listening = c->listening; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1356 sn->c->sockaddr = c->sockaddr; |
cfc429911c0d
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parents:
8225
diff
changeset
|
1357 sn->c->local_sockaddr = c->local_sockaddr; |
8234
19bb9edcd8bd
Added copying addr_text to QUIC stream connections.
Roman Arutyunyan <arut@nginx.com>
parents:
8232
diff
changeset
|
1358 sn->c->addr_text = c->addr_text; |
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
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|
1359 |
cfc429911c0d
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diff
changeset
|
1360 rev = sn->c->read; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1361 wev = sn->c->write; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1362 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1363 rev->ready = 1; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1364 |
cfc429911c0d
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diff
changeset
|
1365 rev->log = c->log; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1366 wev->log = c->log; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1367 |
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1368 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1369 |
cfc429911c0d
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8225
diff
changeset
|
1370 sn->node.key =id; |
cfc429911c0d
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diff
changeset
|
1371 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1372 if (sn->b == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1373 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1374 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1375 |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1376 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1377 |
cfc429911c0d
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parents:
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diff
changeset
|
1378 sn->s.id = id; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1379 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1380 sn->s.parent = c; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1381 sn->c->qs = &sn->s; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1382 |
cfc429911c0d
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8225
diff
changeset
|
1383 sn->c->recv = ngx_quic_stream_recv; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1384 sn->c->send = ngx_quic_stream_send; |
cfc429911c0d
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diff
changeset
|
1385 sn->c->send_chain = ngx_quic_stream_send_chain; |
cfc429911c0d
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diff
changeset
|
1386 |
8239
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1387 cln = ngx_pool_cleanup_add(pool, 0); |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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parents:
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diff
changeset
|
1388 if (cln == NULL) { |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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parents:
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diff
changeset
|
1389 ngx_close_connection(sn->c); |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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diff
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|
1390 ngx_destroy_pool(pool); |
5ad7bffd3850
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diff
changeset
|
1391 return NULL; |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1392 } |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
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8237
diff
changeset
|
1393 |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1394 cln->handler = ngx_quic_stream_cleanup_handler; |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
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8237
diff
changeset
|
1395 cln->data = sn->c; |
5ad7bffd3850
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Roman Arutyunyan <arut@nginx.com>
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8237
diff
changeset
|
1396 |
8229
cfc429911c0d
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8225
diff
changeset
|
1397 return sn; |
cfc429911c0d
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parents:
8225
diff
changeset
|
1398 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1399 |
cfc429911c0d
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8225
diff
changeset
|
1400 |
8225 | 1401 static ssize_t |
1402 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
1403 { | |
1404 ssize_t len; | |
1405 ngx_buf_t *b; | |
1406 ngx_quic_stream_t *qs; | |
1407 ngx_quic_connection_t *qc; | |
1408 ngx_quic_stream_node_t *sn; | |
1409 | |
1410 qs = c->qs; | |
1411 qc = qs->parent->quic; | |
1412 | |
1413 // XXX: get direct pointer from stream structure? | |
1414 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1415 | |
1416 if (sn == NULL) { | |
1417 return NGX_ERROR; | |
1418 } | |
1419 | |
1420 // XXX: how to return EOF? | |
1421 | |
1422 b = sn->b; | |
1423 | |
1424 if (b->last - b->pos == 0) { | |
1425 c->read->ready = 0; | |
1426 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1427 "quic recv() not ready"); | |
1428 return NGX_AGAIN; // ? | |
1429 } | |
1430 | |
1431 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
1432 | |
1433 ngx_memcpy(buf, b->pos, len); | |
1434 | |
1435 b->pos += len; | |
1436 | |
1437 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1438 "quic recv: %z of %uz", len, size); | |
1439 | |
1440 return len; | |
1441 } | |
1442 | |
1443 | |
1444 static ssize_t | |
1445 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
1446 { | |
1447 u_char *p; | |
1448 ngx_connection_t *pc; | |
1449 ngx_quic_frame_t *frame; | |
1450 ngx_quic_stream_t *qs; | |
1451 ngx_quic_connection_t *qc; | |
1452 ngx_quic_stream_node_t *sn; | |
1453 | |
1454 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
1455 | |
1456 qs = c->qs; | |
1457 pc = qs->parent; | |
1458 qc = pc->quic; | |
1459 | |
1460 // XXX: get direct pointer from stream structure? | |
1461 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1462 | |
1463 if (sn == NULL) { | |
1464 return NGX_ERROR; | |
1465 } | |
1466 | |
1467 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
1468 if (frame == NULL) { | |
1469 return 0; | |
1470 } | |
1471 | |
1472 p = ngx_pnalloc(pc->pool, size); | |
1473 if (p == NULL) { | |
1474 return 0; | |
1475 } | |
1476 | |
1477 ngx_memcpy(p, buf, size); | |
1478 | |
1479 frame->level = ssl_encryption_application; | |
1480 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
1481 frame->u.stream.off = 1; | |
1482 frame->u.stream.len = 1; | |
1483 frame->u.stream.fin = 0; | |
1484 | |
1485 frame->u.stream.type = frame->type; | |
1486 frame->u.stream.stream_id = qs->id; | |
1487 frame->u.stream.offset = c->sent; | |
1488 frame->u.stream.length = size; | |
1489 frame->u.stream.data = p; | |
1490 | |
1491 c->sent += size; | |
1492 | |
1493 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
1494 qs->id, size, frame->level); | |
1495 | |
1496 ngx_quic_queue_frame(qc, frame); | |
1497 | |
1498 return size; | |
1499 } | |
1500 | |
1501 | |
8239
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1502 static void |
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1503 ngx_quic_stream_cleanup_handler(void *data) |
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1504 { |
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1505 ngx_connection_t *c = data; |
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1506 |
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1507 ngx_connection_t *pc; |
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1508 ngx_quic_frame_t *frame; |
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1509 ngx_quic_stream_t *qs; |
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1510 ngx_quic_connection_t *qc; |
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1511 ngx_quic_stream_node_t *sn; |
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1512 |
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1513 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send fin"); |
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1514 |
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1515 qs = c->qs; |
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1516 pc = qs->parent; |
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1517 qc = pc->quic; |
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1518 |
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1519 if ((qs->id & 0x03) == 0x02) { |
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1520 /* do not send fin for client unidirectional streams */ |
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1521 return; |
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1522 } |
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1523 |
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1524 // XXX: get direct pointer from stream structure? |
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1525 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); |
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1526 |
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1527 if (sn == NULL) { |
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1528 return; |
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1529 } |
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1530 |
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1531 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); |
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1532 if (frame == NULL) { |
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1533 return; |
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1534 } |
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1535 |
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1536 frame->level = ssl_encryption_application; |
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1537 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */ |
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1538 frame->u.stream.off = 1; |
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1539 frame->u.stream.len = 1; |
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1540 frame->u.stream.fin = 1; |
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1541 |
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1542 frame->u.stream.type = frame->type; |
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1543 frame->u.stream.stream_id = qs->id; |
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1544 frame->u.stream.offset = c->sent; |
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1545 frame->u.stream.length = 0; |
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1546 frame->u.stream.data = NULL; |
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1547 |
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1548 ngx_sprintf(frame->info, "stream %xi fin=1 level=%d", qs->id, frame->level); |
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1549 |
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1550 ngx_quic_queue_frame(qc, frame); |
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1551 } |
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1552 |
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1553 |
8225 | 1554 static ngx_chain_t * |
1555 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
1556 off_t limit) | |
1557 { | |
1558 size_t len; | |
1559 ssize_t n; | |
1560 ngx_buf_t *b; | |
1561 | |
1562 for ( /* void */; in; in = in->next) { | |
1563 b = in->buf; | |
1564 | |
1565 if (!ngx_buf_in_memory(b)) { | |
1566 continue; | |
1567 } | |
1568 | |
1569 if (ngx_buf_size(b) == 0) { | |
1570 continue; | |
1571 } | |
1572 | |
1573 len = b->last - b->pos; | |
1574 | |
1575 n = ngx_quic_stream_send(c, b->pos, len); | |
1576 | |
1577 if (n == NGX_ERROR) { | |
1578 return NGX_CHAIN_ERROR; | |
1579 } | |
1580 | |
1581 if (n == NGX_AGAIN) { | |
1582 return in; | |
1583 } | |
1584 | |
1585 if (n != (ssize_t) len) { | |
1586 b->pos += n; | |
1587 return in; | |
1588 } | |
1589 } | |
1590 | |
1591 return NULL; | |
1592 } |