Mercurial > hg > nginx
annotate src/event/ngx_event_quic.c @ 8259:9e9eab876964 quic
Fixed CRYPTO offset generation.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Sun, 22 Mar 2020 12:15:54 +0300 |
parents | 80d7144b1c38 |
children | f388c0ad3477 |
rev | line source |
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8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
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1 |
b28ea685a56e
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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3 * Copyright (C) Nginx, Inc. |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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4 */ |
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Vladimir Homutov <vl@nginx.com>
parents:
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5 |
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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:
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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:
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10 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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parents:
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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>
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8225
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changeset
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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 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
8180
diff
changeset
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29 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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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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Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
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34 |
8247
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
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35 ngx_quic_tp_t tp; |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
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36 |
8225 | 37 /* current packet numbers for each namespace */ |
38 ngx_uint_t initial_pn; | |
39 ngx_uint_t handshake_pn; | |
40 ngx_uint_t appdata_pn; | |
8184
ec1f84996990
Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
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41 |
8225 | 42 ngx_quic_secrets_t secrets; |
43 ngx_ssl_t *ssl; | |
44 ngx_quic_frame_t *frames; | |
8208
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HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
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45 |
8225 | 46 ngx_quic_streams_t streams; |
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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47 ngx_uint_t max_data; |
8259
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8258
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48 |
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
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49 #define SSL_ECRYPTION_LAST ((ssl_encryption_application) + 1) |
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
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50 uint64_t crypto_offset[SSL_ECRYPTION_LAST]; |
8225 | 51 }; |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
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52 |
8182
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Moved all QUIC code into ngx_event_quic.c
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parents:
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changeset
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53 |
8204
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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54 #if BORINGSSL_API_VERSION >= 10 |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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55 static int 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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56 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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57 const uint8_t *secret, size_t secret_len); |
9e0c30e1f7fb
Compatibility with BoringSSL revised QUIC encryption secret APIs.
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parents:
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58 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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59 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
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60 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
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61 #else |
8182
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Moved all QUIC code into ngx_event_quic.c
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parents:
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62 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:
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63 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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|
64 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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65 #endif |
8225 | 66 |
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67 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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68 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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69 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
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Moved all QUIC code into ngx_event_quic.c
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70 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
b28ea685a56e
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parents:
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71 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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72 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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73 |
8225 | 74 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
8247
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75 ngx_quic_tp_t *tp, ngx_quic_header_t *pkt); |
8225 | 76 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); |
77 static void ngx_quic_handshake_handler(ngx_event_t *rev); | |
78 static void ngx_quic_close_connection(ngx_connection_t *c); | |
79 | |
80 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
81 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
82 ngx_quic_header_t *pkt); | |
83 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
84 ngx_quic_header_t *pkt); | |
85 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
86 ngx_quic_header_t *pkt); | |
87 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
88 ngx_quic_header_t *pkt); | |
89 | |
90 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
91 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
92 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
93 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
94 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
95 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
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96 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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97 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f); |
8225 | 98 |
99 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
100 ngx_quic_frame_t *frame); | |
101 | |
102 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
103 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
104 ngx_quic_frame_t *end, size_t total); | |
105 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
106 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
107 ngx_str_t *payload); | |
108 | |
109 | |
110 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
111 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
112 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
113 ngx_uint_t key); | |
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
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114 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
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115 ngx_uint_t id); |
8211
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Stream "connection" read/write methods.
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116 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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117 size_t size); |
6bc18966b8c1
Stream "connection" read/write methods.
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118 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
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parents:
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119 size_t size); |
8239
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Send a FIN frame when QUIC stream is closed.
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120 static void ngx_quic_stream_cleanup_handler(void *data); |
8211
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121 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
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Stream "connection" read/write methods.
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122 ngx_chain_t *in, off_t limit); |
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parents:
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123 |
8225 | 124 |
8182
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125 static SSL_QUIC_METHOD quic_method = { |
8204
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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126 #if BORINGSSL_API_VERSION >= 10 |
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127 ngx_quic_set_read_secret, |
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128 ngx_quic_set_write_secret, |
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129 #else |
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130 ngx_quic_set_encryption_secrets, |
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parents:
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131 #endif |
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132 ngx_quic_add_handshake_data, |
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133 ngx_quic_flush_flight, |
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Moved all QUIC code into ngx_event_quic.c
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134 ngx_quic_send_alert, |
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135 }; |
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136 |
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137 |
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138 #if BORINGSSL_API_VERSION >= 10 |
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139 |
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140 static int |
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141 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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142 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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143 const uint8_t *rsecret, size_t secret_len) |
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144 { |
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145 ngx_connection_t *c; |
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146 |
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147 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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148 |
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149 ngx_quic_hexdump(c->log, "level:%d read secret", |
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150 rsecret, secret_len, level); |
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151 |
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152 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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153 rsecret, secret_len, |
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154 &c->quic->secrets.client); |
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155 } |
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156 |
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157 |
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|
158 static int |
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159 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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|
160 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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161 const uint8_t *wsecret, size_t secret_len) |
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162 { |
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163 ngx_connection_t *c; |
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164 |
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165 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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166 |
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167 ngx_quic_hexdump(c->log, "level:%d write secret", |
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168 wsecret, secret_len, level); |
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169 |
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170 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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171 wsecret, secret_len, |
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172 &c->quic->secrets.server); |
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173 } |
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174 |
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175 #else |
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176 |
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177 static int |
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178 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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179 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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180 const uint8_t *wsecret, size_t secret_len) |
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181 { |
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182 ngx_int_t rc; |
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183 ngx_connection_t *c; |
8182
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184 |
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185 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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186 |
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187 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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188 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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189 |
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190 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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191 rsecret, secret_len, |
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192 &c->quic->secrets.client); |
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193 if (rc != 1) { |
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194 return rc; |
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195 } |
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196 |
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197 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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198 wsecret, secret_len, |
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|
199 &c->quic->secrets.server); |
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200 } |
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201 |
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202 #endif |
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203 |
8182
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204 |
8184
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|
205 static int |
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206 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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207 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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208 { |
8225 | 209 u_char *p; |
210 ngx_quic_frame_t *frame; | |
211 ngx_connection_t *c; | |
212 ngx_quic_connection_t *qc; | |
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213 |
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214 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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|
215 qc = c->quic; |
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216 |
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217 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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|
218 "ngx_quic_add_handshake_data"); |
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219 |
8186
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220 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
0a2683df5f11
Implemented improved version of quic_output().
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|
221 if (frame == NULL) { |
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Implemented improved version of quic_output().
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|
222 return 0; |
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|
223 } |
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|
224 |
8186
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|
225 p = ngx_pnalloc(c->pool, len); |
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Implemented improved version of quic_output().
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|
226 if (p == NULL) { |
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|
227 return 0; |
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|
228 } |
8186
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|
229 |
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|
230 ngx_memcpy(p, data, len); |
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|
231 |
8186
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|
232 frame->level = level; |
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Implemented improved version of quic_output().
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|
233 frame->type = NGX_QUIC_FT_CRYPTO; |
8259
9e9eab876964
Fixed CRYPTO offset generation.
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diff
changeset
|
234 frame->u.crypto.offset += qc->crypto_offset[level]; |
8186
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|
235 frame->u.crypto.len = len; |
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Implemented improved version of quic_output().
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|
236 frame->u.crypto.data = p; |
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Implemented improved version of quic_output().
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|
237 |
8259
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Fixed CRYPTO offset generation.
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8258
diff
changeset
|
238 qc->crypto_offset[level] += len; |
9e9eab876964
Fixed CRYPTO offset generation.
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|
239 |
8186
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Implemented improved version of quic_output().
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|
240 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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Implemented improved version of quic_output().
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|
241 |
0a2683df5f11
Implemented improved version of quic_output().
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changeset
|
242 ngx_quic_queue_frame(qc, frame); |
8184
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|
243 |
8182
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244 return 1; |
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245 } |
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|
246 |
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|
247 |
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|
248 static int |
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|
249 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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250 { |
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|
251 ngx_connection_t *c; |
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|
252 |
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Moved all QUIC code into ngx_event_quic.c
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|
253 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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254 |
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|
255 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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Moved all QUIC code into ngx_event_quic.c
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|
256 |
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|
257 return 1; |
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Moved all QUIC code into ngx_event_quic.c
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|
258 } |
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Moved all QUIC code into ngx_event_quic.c
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|
259 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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|
260 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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|
261 static int |
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Moved all QUIC code into ngx_event_quic.c
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|
262 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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|
263 uint8_t alert) |
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Moved all QUIC code into ngx_event_quic.c
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|
264 { |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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diff
changeset
|
265 ngx_connection_t *c; |
8235
552d6868091b
Implemented send_alert callback, CONNECTION_CLOSE writer.
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parents:
8234
diff
changeset
|
266 ngx_quic_frame_t *frame; |
8182
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|
267 |
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Moved all QUIC code into ngx_event_quic.c
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|
268 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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Moved all QUIC code into ngx_event_quic.c
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|
269 |
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Moved all QUIC code into ngx_event_quic.c
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|
270 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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Moved all QUIC code into ngx_event_quic.c
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changeset
|
271 "ngx_quic_send_alert(), lvl=%d, alert=%d", |
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272 (int) level, (int) alert); |
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273 |
8235
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274 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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275 if (frame == NULL) { |
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276 return 0; |
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277 } |
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278 |
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279 frame->level = level; |
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280 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE; |
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281 frame->u.close.error_code = 0x100 + alert; |
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282 |
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283 ngx_quic_queue_frame(c->quic, frame); |
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284 |
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285 if (ngx_quic_output(c) != NGX_OK) { |
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286 return 0; |
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287 } |
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288 |
8182
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289 return 1; |
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290 } |
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291 |
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292 |
8225 | 293 void |
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294 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
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295 ngx_msec_t timeout, ngx_connection_handler_pt handler) |
8225 | 296 { |
297 ngx_buf_t *b; | |
298 ngx_quic_header_t pkt; | |
299 | |
300 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic handshake"); | |
301 | |
302 c->log->action = "QUIC handshaking"; | |
303 | |
304 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
305 | |
306 b = c->buffer; | |
307 | |
308 pkt.log = c->log; | |
309 pkt.raw = b; | |
310 pkt.data = b->start; | |
311 pkt.len = b->last - b->start; | |
312 | |
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313 if (ngx_quic_new_connection(c, ssl, tp, &pkt) != NGX_OK) { |
8225 | 314 ngx_quic_close_connection(c); |
315 return; | |
316 } | |
317 | |
318 // we don't need stream handler for initial packet processing | |
319 c->quic->streams.handler = handler; | |
320 c->quic->streams.timeout = timeout; | |
321 | |
322 ngx_add_timer(c->read, timeout); | |
323 | |
324 c->read->handler = ngx_quic_handshake_handler; | |
325 | |
326 return; | |
327 } | |
328 | |
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329 |
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330 static ngx_int_t |
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331 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
8225 | 332 ngx_quic_header_t *pkt) |
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333 { |
8225 | 334 ngx_quic_connection_t *qc; |
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335 |
8225 | 336 if (ngx_buf_size(pkt->raw) < 1200) { |
337 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
338 return NGX_ERROR; | |
339 } | |
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340 |
8225 | 341 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
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342 return NGX_ERROR; |
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343 } |
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344 |
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345 if (!ngx_quic_pkt_in(pkt->flags)) { |
8225 | 346 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
347 "invalid initial packet: 0x%xi", pkt->flags); | |
348 return NGX_ERROR; | |
349 } | |
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350 |
8225 | 351 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
352 return NGX_ERROR; | |
353 } | |
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354 |
8225 | 355 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
356 if (qc == NULL) { | |
357 return NGX_ERROR; | |
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358 } |
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359 |
8225 | 360 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
361 ngx_quic_rbtree_insert_stream); | |
362 | |
363 c->quic = qc; | |
364 qc->ssl = ssl; | |
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365 qc->tp = *tp; |
8225 | 366 |
367 qc->dcid.len = pkt->dcid.len; | |
368 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
369 if (qc->dcid.data == NULL) { | |
370 return NGX_ERROR; | |
371 } | |
372 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
373 | |
374 qc->scid.len = pkt->scid.len; | |
375 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
376 if (qc->scid.data == NULL) { | |
377 return NGX_ERROR; | |
378 } | |
379 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
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380 |
8225 | 381 qc->token.len = pkt->token.len; |
382 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
383 if (qc->token.data == NULL) { | |
384 return NGX_ERROR; | |
385 } | |
386 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
387 | |
388 | |
389 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
390 != NGX_OK) | |
391 { | |
392 return NGX_ERROR; | |
393 } | |
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394 |
8225 | 395 pkt->secret = &qc->secrets.client.in; |
396 pkt->level = ssl_encryption_initial; | |
397 | |
398 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
399 return NGX_ERROR; | |
400 } | |
401 | |
402 if (ngx_quic_init_connection(c) != NGX_OK) { | |
403 return NGX_ERROR; | |
404 } | |
405 | |
406 return ngx_quic_payload_handler(c, pkt); | |
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407 } |
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408 |
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409 |
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410 static ngx_int_t |
8221
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Split transport and crypto parts into separate files.
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411 ngx_quic_init_connection(ngx_connection_t *c) |
8199
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412 { |
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413 int n, sslerr; |
8247
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414 u_char *p; |
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415 ssize_t len; |
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416 ngx_ssl_conn_t *ssl_conn; |
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417 ngx_quic_connection_t *qc; |
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418 |
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419 qc = c->quic; |
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420 |
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421 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
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422 return NGX_ERROR; |
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|
423 } |
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424 |
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425 ssl_conn = c->ssl->connection; |
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426 |
8232
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Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
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diff
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|
427 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) { |
253cf267f95a
Moved setting QUIC methods to runtime.
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|
428 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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Moved setting QUIC methods to runtime.
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|
429 "SSL_set_quic_method() failed"); |
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Moved setting QUIC methods to runtime.
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|
430 return NGX_ERROR; |
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Moved setting QUIC methods to runtime.
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|
431 } |
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432 |
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433 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp); |
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434 /* always succeeds */ |
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435 |
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436 p = ngx_pnalloc(c->pool, len); |
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437 if (p == NULL) { |
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438 return NGX_ERROR; |
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|
439 } |
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440 |
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441 len = ngx_quic_create_transport_params(p, p + len, &qc->tp); |
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442 if (len < 0) { |
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443 return NGX_ERROR; |
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444 } |
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445 |
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446 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) { |
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447 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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448 "SSL_set_quic_transport_params() failed"); |
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449 return NGX_ERROR; |
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|
450 } |
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451 |
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452 n = SSL_do_handshake(ssl_conn); |
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453 |
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454 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
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455 |
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|
456 if (n == -1) { |
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457 sslerr = SSL_get_error(ssl_conn, n); |
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|
458 |
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|
459 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
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|
460 sslerr); |
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|
461 } |
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|
462 |
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|
463 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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|
464 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", |
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Generic payload handler for quic packets.
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diff
changeset
|
465 (int) SSL_quic_read_level(ssl_conn), |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
466 (int) SSL_quic_write_level(ssl_conn)); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
467 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
468 return NGX_OK; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
469 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
470 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
471 |
8225 | 472 static void |
473 ngx_quic_handshake_handler(ngx_event_t *rev) | |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
474 { |
8225 | 475 ssize_t n; |
476 ngx_buf_t b; | |
477 ngx_connection_t *c; | |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
478 |
8225 | 479 u_char buf[512]; |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
480 |
8225 | 481 b.start = buf; |
482 b.end = buf + 512; | |
483 b.pos = b.last = b.start; | |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
484 |
8225 | 485 c = rev->data; |
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
486 |
8225 | 487 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
|
488 |
8225 | 489 if (rev->timedout) { |
490 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
491 ngx_quic_close_connection(c); | |
492 return; | |
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
493 } |
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
494 |
8246
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
8245
diff
changeset
|
495 ngx_add_timer(rev, c->quic->streams.timeout); |
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
8245
diff
changeset
|
496 |
8225 | 497 if (c->close) { |
498 ngx_quic_close_connection(c); | |
499 return; | |
500 } | |
8220
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents:
8218
diff
changeset
|
501 |
8225 | 502 n = c->recv(c, b.start, b.end - b.start); |
8215 | 503 |
8225 | 504 if (n == NGX_AGAIN) { |
505 return; | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
506 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
507 |
8225 | 508 if (n == NGX_ERROR) { |
509 c->read->eof = 1; | |
510 ngx_quic_close_connection(c); | |
511 return; | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
512 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
513 |
8225 | 514 b.last += n; |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
515 |
8225 | 516 if (ngx_quic_input(c, &b) != NGX_OK) { |
517 ngx_quic_close_connection(c); | |
518 return; | |
519 } | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
520 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
521 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
522 |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
523 static void |
8225 | 524 ngx_quic_close_connection(ngx_connection_t *c) |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
525 { |
8225 | 526 ngx_pool_t *pool; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
527 |
8225 | 528 /* XXX wait for all streams to close */ |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
529 |
8225 | 530 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
531 "close quic connection: %d", c->fd); | |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
532 |
8225 | 533 if (c->ssl) { |
534 (void) ngx_ssl_shutdown(c); | |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
535 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
536 |
8225 | 537 #if (NGX_STAT_STUB) |
538 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
539 #endif | |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
540 |
8225 | 541 c->destroyed = 1; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
542 |
8225 | 543 pool = c->pool; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
544 |
8225 | 545 ngx_close_connection(c); |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
546 |
8225 | 547 ngx_destroy_pool(pool); |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
548 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
549 |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
550 |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
551 static ngx_int_t |
8225 | 552 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
|
553 { |
8225 | 554 u_char *p; |
555 ngx_int_t rc; | |
556 ngx_quic_header_t pkt; | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
557 |
8225 | 558 if (c->quic == NULL) { |
559 // XXX: possible? | |
560 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
|
561 return NGX_ERROR; |
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
562 } |
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
563 |
8225 | 564 p = b->start; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
565 |
8225 | 566 do { |
567 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
568 pkt.raw = b; | |
569 pkt.data = p; | |
570 pkt.len = b->last - p; | |
571 pkt.log = c->log; | |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
572 pkt.flags = p[0]; |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
573 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
574 if (pkt.flags == 0) { |
8225 | 575 /* XXX: no idea WTF is this, just ignore */ |
576 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
577 break; | |
578 } | |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
579 |
8225 | 580 // TODO: check current state |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
581 if (ngx_quic_long_pkt(pkt.flags)) { |
8225 | 582 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
583 if (ngx_quic_pkt_in(pkt.flags)) { |
8225 | 584 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
|
585 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
586 } else if (ngx_quic_pkt_hs(pkt.flags)) { |
8225 | 587 rc = ngx_quic_handshake_input(c, &pkt); |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
588 |
8225 | 589 } else { |
590 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
591 "BUG: unknown quic state"); | |
592 return NGX_ERROR; | |
593 } | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
594 |
8225 | 595 } else { |
596 rc = ngx_quic_app_input(c, &pkt); | |
597 } | |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
598 |
8225 | 599 if (rc == NGX_ERROR) { |
600 return NGX_ERROR; | |
601 } | |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
602 |
8225 | 603 /* b->pos is at header end, adjust by actual packet length */ |
604 p = b->pos + pkt.len; | |
605 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
|
606 |
8225 | 607 } while (p < b->last); |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
608 |
8225 | 609 return NGX_OK; |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
610 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
611 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
612 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
613 static ngx_int_t |
8223 | 614 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
615 { | |
616 ngx_ssl_conn_t *ssl_conn; | |
617 ngx_quic_connection_t *qc; | |
618 | |
619 qc = c->quic; | |
620 ssl_conn = c->ssl->connection; | |
621 | |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
622 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
8223 | 623 return NGX_ERROR; |
624 } | |
625 | |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
626 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
8223 | 627 return NGX_ERROR; |
628 } | |
629 | |
630 pkt->secret = &qc->secrets.client.in; | |
631 pkt->level = ssl_encryption_initial; | |
632 | |
633 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
634 return NGX_ERROR; | |
635 } | |
636 | |
637 return ngx_quic_payload_handler(c, pkt); | |
638 } | |
639 | |
640 | |
641 static ngx_int_t | |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
642 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
|
643 { |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
644 ngx_quic_connection_t *qc; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
645 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
646 qc = c->quic; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
647 |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
648 /* 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
|
649 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
|
650 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
651 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
652 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
653 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
|
654 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
|
655 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
656 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
657 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
658 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
|
659 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
|
660 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
661 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
662 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
663 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
|
664 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
|
665 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
666 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
667 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
668 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
|
669 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
|
670 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
671 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
672 |
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
673 if (!ngx_quic_pkt_hs(pkt->flags)) { |
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
674 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
|
675 "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
|
676 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
677 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
678 |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
679 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
|
680 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
681 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
682 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
683 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
|
684 pkt->level = ssl_encryption_handshake; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
685 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
686 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
|
687 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
688 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
689 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
690 return ngx_quic_payload_handler(c, pkt); |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
691 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
692 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
693 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
694 static ngx_int_t |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
695 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
|
696 { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
697 ngx_quic_connection_t *qc; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
698 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
699 qc = c->quic; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
700 |
8223 | 701 if (qc->secrets.client.ad.key.len == 0) { |
702 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
703 "no read keys yet, packet ignored"); | |
704 return NGX_DECLINED; | |
705 } | |
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
706 |
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
707 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
|
708 return NGX_ERROR; |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
709 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
710 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
711 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
|
712 pkt->level = ssl_encryption_application; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
713 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
714 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
|
715 return NGX_ERROR; |
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
716 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
717 |
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
718 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
|
719 } |
8171 | 720 |
721 | |
8225 | 722 static ngx_int_t |
723 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
724 { | |
725 u_char *end, *p; | |
726 ssize_t len; | |
727 ngx_uint_t ack_this, do_close; | |
728 ngx_quic_frame_t frame, *ack_frame; | |
729 ngx_quic_connection_t *qc; | |
730 | |
731 qc = c->quic; | |
732 | |
733 p = pkt->payload.data; | |
734 end = p + pkt->payload.len; | |
735 | |
736 ack_this = 0; | |
737 do_close = 0; | |
738 | |
739 while (p < end) { | |
740 | |
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
741 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
|
742 |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
743 if (len == NGX_DECLINED) { |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
744 /* TODO: handle protocol violation: |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
745 * such frame not allowed in this packet |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
746 */ |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
747 return NGX_ERROR; |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
748 } |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
749 |
8225 | 750 if (len < 0) { |
751 return NGX_ERROR; | |
752 } | |
753 | |
754 p += len; | |
755 | |
756 switch (frame.type) { | |
757 | |
758 case NGX_QUIC_FT_ACK: | |
759 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
760 return NGX_ERROR; | |
761 } | |
762 | |
763 break; | |
764 | |
765 case NGX_QUIC_FT_CRYPTO: | |
766 | |
767 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
768 != NGX_OK) | |
769 { | |
770 return NGX_ERROR; | |
771 } | |
772 | |
773 ack_this = 1; | |
774 break; | |
775 | |
776 case NGX_QUIC_FT_PADDING: | |
777 break; | |
778 | |
779 case NGX_QUIC_FT_PING: | |
780 ack_this = 1; | |
781 break; | |
782 | |
783 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
784 ack_this = 1; | |
785 break; | |
786 | |
787 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
|
788 case NGX_QUIC_FT_CONNECTION_CLOSE2: |
8225 | 789 |
790 do_close = 1; | |
791 break; | |
792 | |
793 case NGX_QUIC_FT_STREAM0: | |
794 case NGX_QUIC_FT_STREAM1: | |
795 case NGX_QUIC_FT_STREAM2: | |
796 case NGX_QUIC_FT_STREAM3: | |
797 case NGX_QUIC_FT_STREAM4: | |
798 case NGX_QUIC_FT_STREAM5: | |
799 case NGX_QUIC_FT_STREAM6: | |
800 case NGX_QUIC_FT_STREAM7: | |
801 | |
802 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
803 != NGX_OK) | |
804 { | |
805 return NGX_ERROR; | |
806 } | |
807 | |
808 ack_this = 1; | |
809 break; | |
810 | |
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
811 case NGX_QUIC_FT_MAX_DATA: |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
812 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
|
813 ack_this = 1; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
814 break; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
815 |
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
816 case NGX_QUIC_FT_RESET_STREAM: |
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
817 /* TODO: handle */ |
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
818 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
819 |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
820 case NGX_QUIC_FT_STOP_SENDING: |
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
821 /* TODO: handle; need ack ? */ |
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
822 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
823 |
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
824 case NGX_QUIC_FT_STREAMS_BLOCKED: |
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
825 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
8245
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
826 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
827 if (ngx_quic_handle_streams_blocked_frame(c, pkt, |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
828 &frame.u.streams_blocked) |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
829 != NGX_OK) |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
830 { |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
831 return NGX_ERROR; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
832 } |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
833 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
834 ack_this = 1; |
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
835 break; |
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
836 |
8225 | 837 default: |
838 return NGX_ERROR; | |
839 } | |
840 } | |
841 | |
842 if (p != end) { | |
843 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
844 "trailing garbage in payload: %ui bytes", end - p); | |
845 return NGX_ERROR; | |
846 } | |
847 | |
848 if (do_close) { | |
8258
80d7144b1c38
Closing connection on NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8252
diff
changeset
|
849 ngx_quic_close_connection(c); |
80d7144b1c38
Closing connection on NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8252
diff
changeset
|
850 return NGX_OK; |
8225 | 851 } |
852 | |
853 if (ack_this == 0) { | |
854 /* do not ack packets with ACKs and PADDING */ | |
855 return NGX_OK; | |
856 } | |
857 | |
858 // packet processed, ACK it now if required | |
859 // TODO: if (ack_required) ... - currently just ack each packet | |
860 | |
861 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
862 if (ack_frame == NULL) { | |
863 return NGX_ERROR; | |
864 } | |
865 | |
866 ack_frame->level = pkt->level; | |
867 ack_frame->type = NGX_QUIC_FT_ACK; | |
868 ack_frame->u.ack.pn = pkt->pn; | |
869 | |
870 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
871 ngx_quic_queue_frame(qc, ack_frame); | |
872 | |
873 return ngx_quic_output(c); | |
874 } | |
875 | |
876 | |
877 static ngx_int_t | |
878 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
879 ngx_quic_ack_frame_t *f) | |
880 { | |
881 /* TODO: handle ACK here */ | |
882 return NGX_OK; | |
883 } | |
884 | |
885 | |
886 static ngx_int_t | |
887 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
888 ngx_quic_crypto_frame_t *f) | |
889 { | |
890 int sslerr; | |
891 ssize_t n; | |
892 ngx_ssl_conn_t *ssl_conn; | |
893 | |
894 if (f->offset != 0x0) { | |
895 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
896 "crypto frame with non-zero offset"); | |
897 // TODO: add support for crypto frames spanning packets | |
898 return NGX_ERROR; | |
899 } | |
900 | |
901 ssl_conn = c->ssl->connection; | |
902 | |
903 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
904 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
905 (int) SSL_quic_read_level(ssl_conn), | |
906 (int) SSL_quic_write_level(ssl_conn)); | |
907 | |
908 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
909 f->data, f->len)) | |
910 { | |
911 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
912 "SSL_provide_quic_data() failed"); | |
913 return NGX_ERROR; | |
914 } | |
915 | |
916 n = SSL_do_handshake(ssl_conn); | |
917 | |
918 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
919 | |
920 if (n == -1) { | |
921 sslerr = SSL_get_error(ssl_conn, n); | |
922 | |
923 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
924 sslerr); | |
925 | |
926 if (sslerr == SSL_ERROR_SSL) { | |
927 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
928 } | |
929 } | |
930 | |
931 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
932 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
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 return NGX_OK; | |
940 } | |
941 | |
942 | |
943 static ngx_int_t | |
944 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
945 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
946 { | |
947 ngx_buf_t *b; | |
948 ngx_quic_connection_t *qc; | |
949 ngx_quic_stream_node_t *sn; | |
950 | |
951 qc = c->quic; | |
952 | |
953 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
954 | |
955 if (sn) { | |
956 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
957 b = sn->b; | |
958 | |
959 if ((size_t) (b->end - b->pos) < f->length) { | |
960 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
961 return NGX_ERROR; | |
962 } | |
963 | |
964 ngx_memcpy(b->pos, f->data, f->length); | |
965 b->pos += f->length; | |
966 | |
967 // TODO: notify | |
968 | |
969 return NGX_OK; | |
970 } | |
971 | |
972 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
973 | |
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974 sn = ngx_quic_create_stream(c, f->stream_id); |
8225 | 975 if (sn == NULL) { |
976 return NGX_ERROR; | |
977 } | |
978 | |
979 b = sn->b; | |
980 | |
981 ngx_memcpy(b->start, f->data, f->length); | |
982 b->last = b->start + f->length; | |
983 | |
984 qc->streams.handler(sn->c); | |
985 | |
986 return NGX_OK; | |
987 } | |
988 | |
989 | |
8245
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990 static ngx_int_t |
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991 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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992 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f) |
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993 { |
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994 ngx_quic_frame_t *frame; |
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995 |
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996 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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997 if (frame == NULL) { |
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998 return NGX_ERROR; |
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999 } |
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1000 |
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1001 frame->level = pkt->level; |
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1002 frame->type = NGX_QUIC_FT_MAX_STREAMS; |
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1003 frame->u.max_streams.limit = f->limit * 2; |
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1004 frame->u.max_streams.bidi = f->bidi; |
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1005 |
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1006 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d", |
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1007 (int) frame->u.max_streams.limit, |
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1008 (int) frame->u.max_streams.bidi, |
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1009 frame->level); |
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1010 |
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1011 ngx_quic_queue_frame(c->quic, frame); |
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1012 |
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1013 return NGX_OK; |
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1014 } |
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1015 |
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1016 |
8225 | 1017 static void |
1018 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
1019 { | |
1020 ngx_quic_frame_t *f; | |
1021 | |
1022 if (qc->frames == NULL) { | |
1023 qc->frames = frame; | |
1024 return; | |
1025 } | |
1026 | |
1027 for (f = qc->frames; f->next; f = f->next) { | |
1028 if (f->next->level > frame->level) { | |
1029 break; | |
1030 } | |
1031 } | |
1032 | |
1033 frame->next = f->next; | |
1034 f->next = frame; | |
1035 } | |
1036 | |
1037 | |
1038 static ngx_int_t | |
1039 ngx_quic_output(ngx_connection_t *c) | |
1040 { | |
1041 size_t len; | |
1042 ngx_uint_t lvl; | |
1043 ngx_quic_frame_t *f, *start; | |
1044 ngx_quic_connection_t *qc; | |
1045 | |
1046 qc = c->quic; | |
1047 | |
1048 if (qc->frames == NULL) { | |
1049 return NGX_OK; | |
1050 } | |
1051 | |
1052 lvl = qc->frames->level; | |
1053 start = qc->frames; | |
1054 f = start; | |
1055 | |
1056 do { | |
1057 len = 0; | |
1058 | |
1059 do { | |
1060 /* process same-level group of frames */ | |
1061 | |
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1062 len += ngx_quic_create_frame(NULL, NULL, f);// TODO: handle overflow, max size |
8225 | 1063 |
1064 f = f->next; | |
1065 } while (f && f->level == lvl); | |
1066 | |
1067 | |
1068 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
1069 return NGX_ERROR; | |
1070 } | |
1071 | |
1072 if (f == NULL) { | |
1073 break; | |
1074 } | |
1075 | |
1076 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
1077 start = f; | |
1078 | |
1079 } while (1); | |
1080 | |
1081 qc->frames = NULL; | |
1082 | |
1083 return NGX_OK; | |
1084 } | |
1085 | |
1086 | |
1087 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
1088 ngx_int_t | |
1089 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
1090 ngx_quic_frame_t *end, size_t total) | |
1091 { | |
1092 ssize_t len; | |
1093 u_char *p; | |
1094 ngx_str_t out; | |
1095 ngx_quic_frame_t *f; | |
1096 | |
1097 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1098 "sending frames %p...%p", start, end); | |
1099 | |
1100 p = ngx_pnalloc(c->pool, total); | |
1101 if (p == NULL) { | |
1102 return NGX_ERROR; | |
1103 } | |
1104 | |
1105 out.data = p; | |
1106 | |
1107 for (f = start; f != end; f = f->next) { | |
1108 | |
1109 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
1110 | |
1111 len = ngx_quic_create_frame(p, p + total, f); | |
1112 if (len == -1) { | |
1113 return NGX_ERROR; | |
1114 } | |
1115 | |
1116 p += len; | |
1117 } | |
1118 | |
1119 out.len = p - out.data; | |
1120 | |
1121 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1122 "packet ready: %ui bytes at level %d", | |
1123 out.len, start->level); | |
1124 | |
1125 // IOVEC/sendmsg_chain ? | |
1126 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
1127 return NGX_ERROR; | |
1128 } | |
1129 | |
1130 return NGX_OK; | |
1131 } | |
1132 | |
1133 | |
1134 static ngx_int_t | |
1135 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
1136 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
1137 { | |
1138 ngx_str_t res; | |
1139 ngx_quic_header_t pkt; | |
1140 | |
1141 pkt.log = c->log; | |
1142 | |
1143 static ngx_str_t initial_token = ngx_null_string; | |
1144 | |
1145 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
1146 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
1147 | |
1148 pkt.level = level; | |
1149 pkt.dcid = qc->dcid; | |
1150 pkt.scid = qc->scid; | |
1151 | |
1152 if (level == ssl_encryption_initial) { | |
1153 pkt.number = &qc->initial_pn; | |
1154 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
1155 pkt.secret = &qc->secrets.server.in; | |
1156 pkt.token = initial_token; | |
1157 | |
1158 } else if (level == ssl_encryption_handshake) { | |
1159 pkt.number = &qc->handshake_pn; | |
1160 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
1161 pkt.secret = &qc->secrets.server.hs; | |
1162 | |
1163 } else { | |
1164 pkt.number = &qc->appdata_pn; | |
1165 pkt.secret = &qc->secrets.server.ad; | |
1166 } | |
1167 | |
1168 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
1169 != NGX_OK) | |
1170 { | |
1171 return NGX_ERROR; | |
1172 } | |
1173 | |
1174 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
1175 | |
1176 c->send(c, res.data, res.len); // TODO: err handling | |
1177 | |
1178 (*pkt.number)++; | |
1179 | |
1180 return NGX_OK; | |
1181 } | |
1182 | |
1183 | |
1184 ngx_connection_t * | |
1185 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
1186 { | |
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|
1187 ngx_uint_t id; |
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|
1188 ngx_quic_stream_t *qs; |
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diff
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|
1189 ngx_quic_connection_t *qc; |
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1190 ngx_quic_stream_node_t *sn; |
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|
1191 |
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1192 qs = c->qs; |
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1193 qc = qs->parent->quic; |
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diff
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1194 |
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diff
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|
1195 /* |
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1196 * A stream ID is a 62-bit integer that is unique for all streams |
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1197 * on a connection. |
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1198 * |
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1199 * 0x3 | Server-Initiated, Unidirectional |
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1200 */ |
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1201 id = (qc->streams.id_counter << 2) | 0x3; |
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1202 |
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1203 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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1204 "creating server uni stream #%ui id %ui", |
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|
1205 qc->streams.id_counter, id); |
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1206 |
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1207 qc->streams.id_counter++; |
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1208 |
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1209 sn = ngx_quic_create_stream(qs->parent, id); |
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1210 if (sn == NULL) { |
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|
1211 return NULL; |
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1212 } |
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1213 |
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1214 return sn->c; |
8225 | 1215 } |
1216 | |
1217 | |
1218 static void | |
1219 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
1220 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
1221 { | |
1222 ngx_rbtree_node_t **p; | |
1223 ngx_quic_stream_node_t *qn, *qnt; | |
1224 | |
1225 for ( ;; ) { | |
1226 | |
1227 if (node->key < temp->key) { | |
1228 | |
1229 p = &temp->left; | |
1230 | |
1231 } else if (node->key > temp->key) { | |
1232 | |
1233 p = &temp->right; | |
1234 | |
1235 } else { /* node->key == temp->key */ | |
1236 | |
1237 qn = (ngx_quic_stream_node_t *) &node->color; | |
1238 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
1239 | |
1240 if (qn->c < qnt->c) { | |
1241 p = &temp->left; | |
1242 } else { | |
1243 p = &temp->right; | |
1244 } | |
1245 } | |
1246 | |
1247 if (*p == sentinel) { | |
1248 break; | |
1249 } | |
1250 | |
1251 temp = *p; | |
1252 } | |
1253 | |
1254 *p = node; | |
1255 node->parent = temp; | |
1256 node->left = sentinel; | |
1257 node->right = sentinel; | |
1258 ngx_rbt_red(node); | |
1259 } | |
1260 | |
1261 | |
1262 static ngx_quic_stream_node_t * | |
1263 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
1264 { | |
1265 ngx_rbtree_node_t *node, *sentinel; | |
1266 | |
1267 node = rbtree->root; | |
1268 sentinel = rbtree->sentinel; | |
1269 | |
1270 while (node != sentinel) { | |
1271 | |
1272 if (key == node->key) { | |
1273 return (ngx_quic_stream_node_t *) node; | |
1274 } | |
1275 | |
1276 node = (key < node->key) ? node->left : node->right; | |
1277 } | |
1278 | |
1279 return NULL; | |
1280 } | |
1281 | |
1282 | |
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1283 static ngx_quic_stream_node_t * |
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1284 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
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1285 { |
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changeset
|
1286 ngx_log_t *log; |
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8225
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changeset
|
1287 ngx_pool_t *pool; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
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|
1288 ngx_event_t *rev, *wev; |
8239
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|
1289 ngx_pool_cleanup_t *cln; |
8229
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|
1290 ngx_quic_connection_t *qc; |
cfc429911c0d
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parents:
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diff
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|
1291 ngx_quic_stream_node_t *sn; |
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Implemented creation of server unidirectional streams.
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parents:
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diff
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|
1292 |
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parents:
8225
diff
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|
1293 qc = c->quic; |
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diff
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|
1294 |
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Vladimir Homutov <vl@nginx.com>
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diff
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|
1295 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
cfc429911c0d
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diff
changeset
|
1296 if (sn == NULL) { |
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diff
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|
1297 return NULL; |
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8225
diff
changeset
|
1298 } |
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diff
changeset
|
1299 |
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diff
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|
1300 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
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Implemented creation of server unidirectional streams.
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|
1301 if (sn->c == NULL) { |
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|
1302 return NULL; |
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diff
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|
1303 } |
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diff
changeset
|
1304 |
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|
1305 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
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|
1306 if (pool == NULL) { |
cfc429911c0d
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diff
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|
1307 /* XXX free connection */ |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1308 // TODO: add pool cleanup handdler |
cfc429911c0d
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diff
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|
1309 return NULL; |
cfc429911c0d
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diff
changeset
|
1310 } |
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diff
changeset
|
1311 |
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diff
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|
1312 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
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diff
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|
1313 if (log == NULL) { |
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|
1314 /* XXX free pool and connection */ |
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|
1315 return NULL; |
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diff
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|
1316 } |
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|
1317 |
cfc429911c0d
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|
1318 *log = *c->log; |
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|
1319 pool->log = log; |
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|
1320 |
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|
1321 sn->c->log = log; |
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|
1322 sn->c->pool = pool; |
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|
1323 |
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|
1324 sn->c->listening = c->listening; |
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|
1325 sn->c->sockaddr = c->sockaddr; |
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|
1326 sn->c->local_sockaddr = c->local_sockaddr; |
8234
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|
1327 sn->c->addr_text = c->addr_text; |
8229
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|
1328 |
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|
1329 rev = sn->c->read; |
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|
1330 wev = sn->c->write; |
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|
1331 |
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|
1332 rev->ready = 1; |
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|
1333 |
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|
1334 rev->log = c->log; |
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|
1335 wev->log = c->log; |
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|
1336 |
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|
1337 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
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|
1338 |
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|
1339 sn->node.key =id; |
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|
1340 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
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|
1341 if (sn->b == NULL) { |
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|
1342 return NULL; |
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|
1343 } |
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diff
changeset
|
1344 |
cfc429911c0d
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changeset
|
1345 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
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8225
diff
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|
1346 |
cfc429911c0d
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|
1347 sn->s.id = id; |
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|
1348 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
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|
1349 sn->s.parent = c; |
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|
1350 sn->c->qs = &sn->s; |
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|
1351 |
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|
1352 sn->c->recv = ngx_quic_stream_recv; |
cfc429911c0d
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|
1353 sn->c->send = ngx_quic_stream_send; |
cfc429911c0d
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|
1354 sn->c->send_chain = ngx_quic_stream_send_chain; |
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|
1355 |
8239
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|
1356 cln = ngx_pool_cleanup_add(pool, 0); |
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|
1357 if (cln == NULL) { |
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|
1358 ngx_close_connection(sn->c); |
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|
1359 ngx_destroy_pool(pool); |
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|
1360 return NULL; |
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|
1361 } |
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|
1362 |
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|
1363 cln->handler = ngx_quic_stream_cleanup_handler; |
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|
1364 cln->data = sn->c; |
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|
1365 |
8229
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|
1366 return sn; |
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|
1367 } |
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|
1368 |
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|
1369 |
8225 | 1370 static ssize_t |
1371 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
1372 { | |
1373 ssize_t len; | |
1374 ngx_buf_t *b; | |
1375 ngx_quic_stream_t *qs; | |
1376 ngx_quic_connection_t *qc; | |
1377 ngx_quic_stream_node_t *sn; | |
1378 | |
1379 qs = c->qs; | |
1380 qc = qs->parent->quic; | |
1381 | |
1382 // XXX: get direct pointer from stream structure? | |
1383 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1384 | |
1385 if (sn == NULL) { | |
1386 return NGX_ERROR; | |
1387 } | |
1388 | |
1389 // XXX: how to return EOF? | |
1390 | |
1391 b = sn->b; | |
1392 | |
1393 if (b->last - b->pos == 0) { | |
1394 c->read->ready = 0; | |
1395 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1396 "quic recv() not ready"); | |
1397 return NGX_AGAIN; // ? | |
1398 } | |
1399 | |
1400 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
1401 | |
1402 ngx_memcpy(buf, b->pos, len); | |
1403 | |
1404 b->pos += len; | |
1405 | |
1406 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1407 "quic recv: %z of %uz", len, size); | |
1408 | |
1409 return len; | |
1410 } | |
1411 | |
1412 | |
1413 static ssize_t | |
1414 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
1415 { | |
1416 u_char *p; | |
1417 ngx_connection_t *pc; | |
1418 ngx_quic_frame_t *frame; | |
1419 ngx_quic_stream_t *qs; | |
1420 ngx_quic_connection_t *qc; | |
1421 ngx_quic_stream_node_t *sn; | |
1422 | |
1423 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
1424 | |
1425 qs = c->qs; | |
1426 pc = qs->parent; | |
1427 qc = pc->quic; | |
1428 | |
1429 // XXX: get direct pointer from stream structure? | |
1430 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1431 | |
1432 if (sn == NULL) { | |
1433 return NGX_ERROR; | |
1434 } | |
1435 | |
1436 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
1437 if (frame == NULL) { | |
1438 return 0; | |
1439 } | |
1440 | |
1441 p = ngx_pnalloc(pc->pool, size); | |
1442 if (p == NULL) { | |
1443 return 0; | |
1444 } | |
1445 | |
1446 ngx_memcpy(p, buf, size); | |
1447 | |
1448 frame->level = ssl_encryption_application; | |
1449 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
1450 frame->u.stream.off = 1; | |
1451 frame->u.stream.len = 1; | |
1452 frame->u.stream.fin = 0; | |
1453 | |
1454 frame->u.stream.type = frame->type; | |
1455 frame->u.stream.stream_id = qs->id; | |
1456 frame->u.stream.offset = c->sent; | |
1457 frame->u.stream.length = size; | |
1458 frame->u.stream.data = p; | |
1459 | |
1460 c->sent += size; | |
1461 | |
1462 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
1463 qs->id, size, frame->level); | |
1464 | |
1465 ngx_quic_queue_frame(qc, frame); | |
1466 | |
1467 return size; | |
1468 } | |
1469 | |
1470 | |
8239
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1471 static void |
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|
1472 ngx_quic_stream_cleanup_handler(void *data) |
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1473 { |
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1474 ngx_connection_t *c = data; |
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1475 |
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|
1476 ngx_connection_t *pc; |
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1477 ngx_quic_frame_t *frame; |
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1478 ngx_quic_stream_t *qs; |
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1479 ngx_quic_connection_t *qc; |
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1480 ngx_quic_stream_node_t *sn; |
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1481 |
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|
1482 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send fin"); |
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1483 |
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1484 qs = c->qs; |
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1485 pc = qs->parent; |
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1486 qc = pc->quic; |
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1487 |
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1488 if ((qs->id & 0x03) == 0x02) { |
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1489 /* do not send fin for client unidirectional streams */ |
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1490 return; |
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1491 } |
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1492 |
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1493 // XXX: get direct pointer from stream structure? |
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1494 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); |
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1495 |
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1496 if (sn == NULL) { |
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1497 return; |
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1498 } |
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1499 |
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1500 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); |
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1501 if (frame == NULL) { |
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1502 return; |
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1503 } |
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1504 |
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1505 frame->level = ssl_encryption_application; |
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1506 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */ |
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1507 frame->u.stream.off = 1; |
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1508 frame->u.stream.len = 1; |
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1509 frame->u.stream.fin = 1; |
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1510 |
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1511 frame->u.stream.type = frame->type; |
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1512 frame->u.stream.stream_id = qs->id; |
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1513 frame->u.stream.offset = c->sent; |
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1514 frame->u.stream.length = 0; |
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1515 frame->u.stream.data = NULL; |
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1516 |
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1517 ngx_sprintf(frame->info, "stream %xi fin=1 level=%d", qs->id, frame->level); |
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1518 |
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1519 ngx_quic_queue_frame(qc, frame); |
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1520 } |
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1521 |
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1522 |
8225 | 1523 static ngx_chain_t * |
1524 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
1525 off_t limit) | |
1526 { | |
1527 size_t len; | |
1528 ssize_t n; | |
1529 ngx_buf_t *b; | |
1530 | |
1531 for ( /* void */; in; in = in->next) { | |
1532 b = in->buf; | |
1533 | |
1534 if (!ngx_buf_in_memory(b)) { | |
1535 continue; | |
1536 } | |
1537 | |
1538 if (ngx_buf_size(b) == 0) { | |
1539 continue; | |
1540 } | |
1541 | |
1542 len = b->last - b->pos; | |
1543 | |
1544 n = ngx_quic_stream_send(c, b->pos, len); | |
1545 | |
1546 if (n == NGX_ERROR) { | |
1547 return NGX_CHAIN_ERROR; | |
1548 } | |
1549 | |
1550 if (n == NGX_AGAIN) { | |
1551 return in; | |
1552 } | |
1553 | |
1554 if (n != (ssize_t) len) { | |
1555 b->pos += n; | |
1556 return in; | |
1557 } | |
1558 } | |
1559 | |
1560 return NULL; | |
1561 } |