Mercurial > hg > nginx-quic
annotate src/event/ngx_event_quic.c @ 7729:1295b293d09a quic
Connection states code cleanup.
+ ngx_quic_init_ssl_methods() is no longer there, we setup methods on SSL
connection directly.
+ the handshake_handler is actually a generic quic input handler
+ updated c->log->action and debug to reflect changes and be more informative
+ c->quic is always set in ngx_quic_input()
+ the quic connection state is set by the results of SSL_do_handshake();
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Mon, 23 Mar 2020 14:53:04 +0300 |
parents | f388c0ad3477 |
children | d45325e90221 |
rev | line source |
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7648
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Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
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1 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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parents:
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5 |
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Moved all QUIC code into ngx_event_quic.c
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6 |
7637 | 7 #include <ngx_config.h> |
8 #include <ngx_core.h> | |
7674
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HTTP/QUIC interface reworked.
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parents:
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9 #include <ngx_event.h> |
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parents:
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10 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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11 |
7729
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Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
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12 typedef enum { |
1295b293d09a
Connection states code cleanup.
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13 NGX_QUIC_ST_INITIAL, /* connection just created */ |
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Connection states code cleanup.
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14 NGX_QUIC_ST_HANDSHAKE, /* handshake started */ |
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Connection states code cleanup.
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15 NGX_QUIC_ST_APPLICATION /* handshake complete */ |
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16 } ngx_quic_state_t; |
1295b293d09a
Connection states code cleanup.
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17 |
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Connection states code cleanup.
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18 |
7691 | 19 typedef struct { |
20 ngx_rbtree_node_t node; | |
21 ngx_buf_t *b; | |
22 ngx_connection_t *c; | |
23 ngx_quic_stream_t s; | |
24 } ngx_quic_stream_node_t; | |
25 | |
26 | |
27 typedef struct { | |
28 ngx_rbtree_t tree; | |
29 ngx_rbtree_node_t sentinel; | |
30 ngx_msec_t timeout; | |
31 ngx_connection_handler_pt handler; | |
7695
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Implemented creation of server unidirectional streams.
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32 |
cfc429911c0d
Implemented creation of server unidirectional streams.
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33 ngx_uint_t id_counter; |
7691 | 34 } ngx_quic_streams_t; |
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35 |
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Moved all QUIC code into ngx_event_quic.c
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36 |
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parents:
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37 struct ngx_quic_connection_s { |
7691 | 38 ngx_str_t scid; |
39 ngx_str_t dcid; | |
40 ngx_str_t token; | |
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41 |
7726
f388c0ad3477
Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
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42 ngx_uint_t client_tp_done; |
7713
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Configurable transport parameters.
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43 ngx_quic_tp_t tp; |
e9891e8ee975
Configurable transport parameters.
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44 |
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45 ngx_quic_state_t state; |
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Connection states code cleanup.
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46 |
7691 | 47 /* current packet numbers for each namespace */ |
48 ngx_uint_t initial_pn; | |
49 ngx_uint_t handshake_pn; | |
50 ngx_uint_t appdata_pn; | |
7650
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Split frame and packet generation into separate steps.
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51 |
7691 | 52 ngx_quic_secrets_t secrets; |
53 ngx_ssl_t *ssl; | |
54 ngx_quic_frame_t *frames; | |
7674
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parents:
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55 |
7691 | 56 ngx_quic_streams_t streams; |
7703
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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57 ngx_uint_t max_data; |
7725
9e9eab876964
Fixed CRYPTO offset generation.
Sergey Kandaurov <pluknet@nginx.com>
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58 |
9e9eab876964
Fixed CRYPTO offset generation.
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59 #define SSL_ECRYPTION_LAST ((ssl_encryption_application) + 1) |
9e9eab876964
Fixed CRYPTO offset generation.
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60 uint64_t crypto_offset[SSL_ECRYPTION_LAST]; |
7691 | 61 }; |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
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62 |
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parents:
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63 |
7670
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Compatibility with BoringSSL revised QUIC encryption secret APIs.
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parents:
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64 #if BORINGSSL_API_VERSION >= 10 |
9e0c30e1f7fb
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Sergey Kandaurov <pluknet@nginx.com>
parents:
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65 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
9e0c30e1f7fb
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66 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
9e0c30e1f7fb
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parents:
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67 const uint8_t *secret, size_t secret_len); |
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68 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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69 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
9e0c30e1f7fb
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parents:
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70 const uint8_t *secret, size_t secret_len); |
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parents:
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71 #else |
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72 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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73 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
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parents:
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74 const uint8_t *write_secret, size_t secret_len); |
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75 #endif |
7691 | 76 |
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77 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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78 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
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79 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
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80 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
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81 enum ssl_encryption_level_t level, uint8_t alert); |
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82 |
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83 |
7691 | 84 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
7713
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85 ngx_quic_tp_t *tp, ngx_quic_header_t *pkt); |
7691 | 86 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); |
7729
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87 static void ngx_quic_input_handler(ngx_event_t *rev); |
7691 | 88 static void ngx_quic_close_connection(ngx_connection_t *c); |
89 | |
90 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
91 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
92 ngx_quic_header_t *pkt); | |
93 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
94 ngx_quic_header_t *pkt); | |
95 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
96 ngx_quic_header_t *pkt); | |
97 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
98 ngx_quic_header_t *pkt); | |
99 | |
100 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
101 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
102 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
103 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
104 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
105 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *frame); | |
7711
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Double MAX_STREAMS on STREAMS_BLOCKED.
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106 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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Double MAX_STREAMS on STREAMS_BLOCKED.
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107 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f); |
7691 | 108 |
109 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
110 ngx_quic_frame_t *frame); | |
111 | |
112 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
113 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
114 ngx_quic_frame_t *end, size_t total); | |
115 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
116 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
117 ngx_str_t *payload); | |
118 | |
119 | |
120 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
121 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
122 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
123 ngx_uint_t key); | |
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124 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
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Implemented creation of server unidirectional streams.
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125 ngx_uint_t id); |
7677
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Stream "connection" read/write methods.
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126 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, |
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Stream "connection" read/write methods.
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127 size_t size); |
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Stream "connection" read/write methods.
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128 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
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129 size_t size); |
7705
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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130 static void ngx_quic_stream_cleanup_handler(void *data); |
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131 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
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132 ngx_chain_t *in, off_t limit); |
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133 |
7691 | 134 |
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135 static SSL_QUIC_METHOD quic_method = { |
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136 #if BORINGSSL_API_VERSION >= 10 |
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137 ngx_quic_set_read_secret, |
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138 ngx_quic_set_write_secret, |
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139 #else |
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140 ngx_quic_set_encryption_secrets, |
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141 #endif |
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142 ngx_quic_add_handshake_data, |
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143 ngx_quic_flush_flight, |
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144 ngx_quic_send_alert, |
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145 }; |
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146 |
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147 |
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148 #if BORINGSSL_API_VERSION >= 10 |
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149 |
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150 static int |
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151 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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152 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
7687
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Split transport and crypto parts into separate files.
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153 const uint8_t *rsecret, size_t secret_len) |
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154 { |
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155 ngx_connection_t *c; |
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156 |
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157 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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158 |
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159 ngx_quic_hexdump(c->log, "level:%d read secret", |
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160 rsecret, secret_len, level); |
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161 |
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162 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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163 rsecret, secret_len, |
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164 &c->quic->secrets.client); |
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165 } |
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166 |
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167 |
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168 static int |
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169 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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170 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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171 const uint8_t *wsecret, size_t secret_len) |
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172 { |
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173 ngx_connection_t *c; |
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174 |
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175 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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176 |
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177 ngx_quic_hexdump(c->log, "level:%d write secret", |
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178 wsecret, secret_len, level); |
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179 |
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180 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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181 wsecret, secret_len, |
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182 &c->quic->secrets.server); |
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183 } |
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184 |
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185 #else |
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186 |
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187 static int |
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188 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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189 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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190 const uint8_t *wsecret, size_t secret_len) |
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191 { |
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192 ngx_int_t rc; |
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193 ngx_connection_t *c; |
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194 |
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195 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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196 |
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197 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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198 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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199 |
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200 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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201 rsecret, secret_len, |
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202 &c->quic->secrets.client); |
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203 if (rc != 1) { |
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204 return rc; |
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205 } |
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206 |
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207 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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208 wsecret, secret_len, |
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|
209 &c->quic->secrets.server); |
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210 } |
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211 |
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212 #endif |
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213 |
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214 |
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215 static int |
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216 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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217 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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218 { |
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219 u_char *p, *end; |
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220 size_t client_params_len; |
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|
221 const uint8_t *client_params; |
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222 ngx_quic_tp_t ctp; |
7691 | 223 ngx_quic_frame_t *frame; |
224 ngx_connection_t *c; | |
225 ngx_quic_connection_t *qc; | |
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226 |
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227 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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228 qc = c->quic; |
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229 |
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230 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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231 "ngx_quic_add_handshake_data"); |
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232 |
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233 /* XXX: obtain client parameters after the handshake? */ |
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234 if (!qc->client_tp_done) { |
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235 |
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236 SSL_get_peer_quic_transport_params(ssl_conn, &client_params, |
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237 &client_params_len); |
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238 |
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239 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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240 "SSL_get_peer_quic_transport_params(): params_len %ui", |
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241 client_params_len); |
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242 |
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243 if (client_params_len != 0) { |
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244 p = (u_char *) client_params; |
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245 end = p + client_params_len; |
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246 |
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247 ngx_memzero(&ctp, sizeof(ngx_quic_tp_t)); |
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248 |
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249 if (ngx_quic_parse_transport_params(p, end, &ctp, c->log) != NGX_OK) |
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250 { |
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251 return NGX_ERROR; |
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252 } |
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253 |
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254 /* TODO: save/use obtained client parameters: merge with ours? */ |
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255 |
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256 qc->client_tp_done = 1; |
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257 } |
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258 } |
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259 |
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260 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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261 if (frame == NULL) { |
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262 return 0; |
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|
263 } |
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264 |
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265 p = ngx_pnalloc(c->pool, len); |
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266 if (p == NULL) { |
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267 return 0; |
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268 } |
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|
269 |
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|
270 ngx_memcpy(p, data, len); |
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271 |
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|
272 frame->level = level; |
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|
273 frame->type = NGX_QUIC_FT_CRYPTO; |
7725
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274 frame->u.crypto.offset += qc->crypto_offset[level]; |
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|
275 frame->u.crypto.len = len; |
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|
276 frame->u.crypto.data = p; |
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277 |
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|
278 qc->crypto_offset[level] += len; |
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|
279 |
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|
280 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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|
281 |
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|
282 ngx_quic_queue_frame(qc, frame); |
7650
ec1f84996990
Split frame and packet generation into separate steps.
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|
283 |
7648
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284 return 1; |
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|
285 } |
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|
286 |
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|
287 |
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|
288 static int |
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|
289 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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290 { |
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|
291 ngx_connection_t *c; |
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292 |
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293 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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294 |
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|
295 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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296 |
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|
297 return 1; |
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|
298 } |
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|
299 |
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300 |
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|
301 static int |
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|
302 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
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|
303 uint8_t alert) |
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|
304 { |
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|
305 ngx_connection_t *c; |
7701
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|
306 ngx_quic_frame_t *frame; |
7648
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|
307 |
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|
308 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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309 |
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|
310 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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|
311 "ngx_quic_send_alert(), lvl=%d, alert=%d", |
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|
312 (int) level, (int) alert); |
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313 |
7701
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Implemented send_alert callback, CONNECTION_CLOSE writer.
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diff
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|
314 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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|
315 if (frame == NULL) { |
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316 return 0; |
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|
317 } |
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|
318 |
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|
319 frame->level = level; |
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|
320 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE; |
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|
321 frame->u.close.error_code = 0x100 + alert; |
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|
322 |
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323 ngx_quic_queue_frame(c->quic, frame); |
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324 |
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|
325 if (ngx_quic_output(c) != NGX_OK) { |
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diff
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|
326 return 0; |
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|
327 } |
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|
328 |
7648
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329 return 1; |
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|
330 } |
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331 |
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|
332 |
7691 | 333 void |
7713
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Configurable transport parameters.
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334 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
e9891e8ee975
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diff
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|
335 ngx_msec_t timeout, ngx_connection_handler_pt handler) |
7691 | 336 { |
337 ngx_buf_t *b; | |
338 ngx_quic_header_t pkt; | |
339 | |
7729
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Connection states code cleanup.
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|
340 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run"); |
7691 | 341 |
7729
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|
342 c->log->action = "QUIC initialization"; |
7691 | 343 |
344 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
345 | |
346 b = c->buffer; | |
347 | |
348 pkt.log = c->log; | |
349 pkt.raw = b; | |
350 pkt.data = b->start; | |
351 pkt.len = b->last - b->start; | |
352 | |
7713
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|
353 if (ngx_quic_new_connection(c, ssl, tp, &pkt) != NGX_OK) { |
7691 | 354 ngx_quic_close_connection(c); |
355 return; | |
356 } | |
357 | |
358 // we don't need stream handler for initial packet processing | |
359 c->quic->streams.handler = handler; | |
360 c->quic->streams.timeout = timeout; | |
361 | |
362 ngx_add_timer(c->read, timeout); | |
363 | |
7729
1295b293d09a
Connection states code cleanup.
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|
364 c->read->handler = ngx_quic_input_handler; |
7691 | 365 |
366 return; | |
367 } | |
368 | |
7665
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|
369 |
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|
370 static ngx_int_t |
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|
371 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
7691 | 372 ngx_quic_header_t *pkt) |
7665
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|
373 { |
7691 | 374 ngx_quic_connection_t *qc; |
7665
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|
375 |
7691 | 376 if (ngx_buf_size(pkt->raw) < 1200) { |
377 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
378 return NGX_ERROR; | |
379 } | |
7665
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|
380 |
7691 | 381 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
7665
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|
382 return NGX_ERROR; |
1297dc83a6b9
Generic payload handler for quic packets.
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|
383 } |
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Generic payload handler for quic packets.
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changeset
|
384 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
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7713
diff
changeset
|
385 if (!ngx_quic_pkt_in(pkt->flags)) { |
7691 | 386 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
387 "invalid initial packet: 0x%xi", pkt->flags); | |
388 return NGX_ERROR; | |
389 } | |
7665
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|
390 |
7691 | 391 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
392 return NGX_ERROR; | |
393 } | |
7665
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|
394 |
7691 | 395 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
396 if (qc == NULL) { | |
397 return NGX_ERROR; | |
7665
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|
398 } |
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Generic payload handler for quic packets.
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|
399 |
7729
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|
400 qc->state = NGX_QUIC_ST_INITIAL; |
1295b293d09a
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|
401 |
7691 | 402 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
403 ngx_quic_rbtree_insert_stream); | |
404 | |
405 c->quic = qc; | |
406 qc->ssl = ssl; | |
7713
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|
407 qc->tp = *tp; |
7691 | 408 |
409 qc->dcid.len = pkt->dcid.len; | |
410 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
411 if (qc->dcid.data == NULL) { | |
412 return NGX_ERROR; | |
413 } | |
414 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
415 | |
416 qc->scid.len = pkt->scid.len; | |
417 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
418 if (qc->scid.data == NULL) { | |
419 return NGX_ERROR; | |
420 } | |
421 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
7665
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|
422 |
7691 | 423 qc->token.len = pkt->token.len; |
424 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
425 if (qc->token.data == NULL) { | |
426 return NGX_ERROR; | |
427 } | |
428 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
429 | |
430 | |
431 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
432 != NGX_OK) | |
433 { | |
434 return NGX_ERROR; | |
435 } | |
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diff
changeset
|
436 |
7691 | 437 pkt->secret = &qc->secrets.client.in; |
438 pkt->level = ssl_encryption_initial; | |
439 | |
440 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
441 return NGX_ERROR; | |
442 } | |
443 | |
444 if (ngx_quic_init_connection(c) != NGX_OK) { | |
445 return NGX_ERROR; | |
446 } | |
447 | |
448 return ngx_quic_payload_handler(c, pkt); | |
7665
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|
449 } |
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|
450 |
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|
451 |
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diff
changeset
|
452 static ngx_int_t |
7687
69345a26ba69
Split transport and crypto parts into separate files.
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parents:
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diff
changeset
|
453 ngx_quic_init_connection(ngx_connection_t *c) |
7665
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454 { |
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Generic payload handler for quic packets.
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changeset
|
455 int n, sslerr; |
7713
e9891e8ee975
Configurable transport parameters.
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changeset
|
456 u_char *p; |
e9891e8ee975
Configurable transport parameters.
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diff
changeset
|
457 ssize_t len; |
7665
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changeset
|
458 ngx_ssl_conn_t *ssl_conn; |
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|
459 ngx_quic_connection_t *qc; |
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|
460 |
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Generic payload handler for quic packets.
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changeset
|
461 qc = c->quic; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
462 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
463 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
464 return NGX_ERROR; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
465 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
466 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
467 ssl_conn = c->ssl->connection; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
468 |
7698
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
469 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) { |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
470 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
471 "SSL_set_quic_method() failed"); |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
472 return NGX_ERROR; |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
473 } |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
474 |
7713
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
475 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp); |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
476 /* always succeeds */ |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
477 |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
478 p = ngx_pnalloc(c->pool, len); |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
479 if (p == NULL) { |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
480 return NGX_ERROR; |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
481 } |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
482 |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
483 len = ngx_quic_create_transport_params(p, p + len, &qc->tp); |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
484 if (len < 0) { |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
485 return NGX_ERROR; |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
486 } |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
487 |
e9891e8ee975
Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
7712
diff
changeset
|
488 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) { |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
489 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
490 "SSL_set_quic_transport_params() failed"); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
491 return NGX_ERROR; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
492 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
493 |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
494 qc->state = NGX_QUIC_ST_HANDSHAKE; |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
495 |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
496 n = SSL_do_handshake(ssl_conn); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
497 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
498 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
499 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
500 if (n == -1) { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
501 sslerr = SSL_get_error(ssl_conn, n); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
502 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
503 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
504 sslerr); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
505 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
506 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
507 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
508 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
509 (int) SSL_quic_read_level(ssl_conn), |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
510 (int) SSL_quic_write_level(ssl_conn)); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
511 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
512 return NGX_OK; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
513 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
514 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
515 |
7691 | 516 static void |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
517 ngx_quic_input_handler(ngx_event_t *rev) |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
518 { |
7691 | 519 ssize_t n; |
520 ngx_buf_t b; | |
521 ngx_connection_t *c; | |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
522 |
7691 | 523 u_char buf[512]; |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
524 |
7691 | 525 b.start = buf; |
526 b.end = buf + 512; | |
527 b.pos = b.last = b.start; | |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
528 |
7691 | 529 c = rev->data; |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
530 |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
531 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler"); |
7678
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
7677
diff
changeset
|
532 |
7691 | 533 if (rev->timedout) { |
534 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
535 ngx_quic_close_connection(c); | |
536 return; | |
7678
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
7677
diff
changeset
|
537 } |
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
7677
diff
changeset
|
538 |
7712
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
7711
diff
changeset
|
539 ngx_add_timer(rev, c->quic->streams.timeout); |
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
7711
diff
changeset
|
540 |
7691 | 541 if (c->close) { |
542 ngx_quic_close_connection(c); | |
543 return; | |
544 } | |
7686
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents:
7684
diff
changeset
|
545 |
7691 | 546 n = c->recv(c, b.start, b.end - b.start); |
7681 | 547 |
7691 | 548 if (n == NGX_AGAIN) { |
549 return; | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
550 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
551 |
7691 | 552 if (n == NGX_ERROR) { |
553 c->read->eof = 1; | |
554 ngx_quic_close_connection(c); | |
555 return; | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
556 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
557 |
7691 | 558 b.last += n; |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
559 |
7691 | 560 if (ngx_quic_input(c, &b) != NGX_OK) { |
561 ngx_quic_close_connection(c); | |
562 return; | |
563 } | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
564 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
565 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
566 |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
567 static void |
7691 | 568 ngx_quic_close_connection(ngx_connection_t *c) |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
569 { |
7691 | 570 ngx_pool_t *pool; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
571 |
7691 | 572 /* XXX wait for all streams to close */ |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
573 |
7691 | 574 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
575 "close quic connection: %d", c->fd); | |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
576 |
7691 | 577 if (c->ssl) { |
578 (void) ngx_ssl_shutdown(c); | |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
579 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
580 |
7691 | 581 #if (NGX_STAT_STUB) |
582 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
583 #endif | |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
584 |
7691 | 585 c->destroyed = 1; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
586 |
7691 | 587 pool = c->pool; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
588 |
7691 | 589 ngx_close_connection(c); |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
590 |
7691 | 591 ngx_destroy_pool(pool); |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
592 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
593 |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
594 |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
595 static ngx_int_t |
7691 | 596 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b) |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
597 { |
7691 | 598 u_char *p; |
599 ngx_int_t rc; | |
600 ngx_quic_header_t pkt; | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
601 |
7691 | 602 p = b->start; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
603 |
7691 | 604 do { |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
605 c->log->action = "processing quic packet"; |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
606 |
7691 | 607 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); |
608 pkt.raw = b; | |
609 pkt.data = p; | |
610 pkt.len = b->last - p; | |
611 pkt.log = c->log; | |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
612 pkt.flags = p[0]; |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
613 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
614 if (pkt.flags == 0) { |
7691 | 615 /* XXX: no idea WTF is this, just ignore */ |
616 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
617 break; | |
618 } | |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
619 |
7691 | 620 // TODO: check current state |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
621 if (ngx_quic_long_pkt(pkt.flags)) { |
7691 | 622 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
623 if (ngx_quic_pkt_in(pkt.flags)) { |
7691 | 624 rc = ngx_quic_initial_input(c, &pkt); |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
625 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
626 } else if (ngx_quic_pkt_hs(pkt.flags)) { |
7691 | 627 rc = ngx_quic_handshake_input(c, &pkt); |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
628 |
7691 | 629 } else { |
630 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
631 "BUG: unknown quic state"); | |
632 return NGX_ERROR; | |
633 } | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
634 |
7691 | 635 } else { |
636 rc = ngx_quic_app_input(c, &pkt); | |
637 } | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
638 |
7691 | 639 if (rc == NGX_ERROR) { |
640 return NGX_ERROR; | |
641 } | |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
642 |
7691 | 643 /* b->pos is at header end, adjust by actual packet length */ |
644 p = b->pos + pkt.len; | |
645 b->pos = p; /* reset b->pos to the next packet start */ | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
646 |
7691 | 647 } while (p < b->last); |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
648 |
7691 | 649 return NGX_OK; |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
650 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
651 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
652 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
653 static ngx_int_t |
7689 | 654 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
655 { | |
656 ngx_ssl_conn_t *ssl_conn; | |
657 ngx_quic_connection_t *qc; | |
658 | |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
659 c->log->action = "processing initial quic packet"; |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
660 |
7689 | 661 qc = c->quic; |
662 ssl_conn = c->ssl->connection; | |
663 | |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
664 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
7689 | 665 return NGX_ERROR; |
666 } | |
667 | |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
668 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
7689 | 669 return NGX_ERROR; |
670 } | |
671 | |
672 pkt->secret = &qc->secrets.client.in; | |
673 pkt->level = ssl_encryption_initial; | |
674 | |
675 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
676 return NGX_ERROR; | |
677 } | |
678 | |
679 return ngx_quic_payload_handler(c, pkt); | |
680 } | |
681 | |
682 | |
683 static ngx_int_t | |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
684 ngx_quic_handshake_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
685 { |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
686 ngx_quic_connection_t *qc; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
687 |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
688 c->log->action = "processing handshake quic packet"; |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
689 |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
690 qc = c->quic; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
691 |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
692 /* extract cleartext data into pkt */ |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
693 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
694 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
695 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
696 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
697 if (pkt->dcid.len != qc->dcid.len) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
698 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:
7646
diff
changeset
|
699 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
700 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
701 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
702 if (ngx_memcmp(pkt->dcid.data, qc->dcid.data, qc->dcid.len) != 0) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
703 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:
7646
diff
changeset
|
704 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
705 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
706 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
707 if (pkt->scid.len != qc->scid.len) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
708 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:
7646
diff
changeset
|
709 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
710 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
711 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
712 if (ngx_memcmp(pkt->scid.data, qc->scid.data, qc->scid.len) != 0) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
713 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:
7646
diff
changeset
|
714 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
715 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
716 |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
717 if (!ngx_quic_pkt_hs(pkt->flags)) { |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
718 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
719 "invalid packet type: 0x%xi", pkt->flags); |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
720 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
721 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
722 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
723 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
724 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
725 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
726 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
727 pkt->secret = &qc->secrets.client.hs; |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
728 pkt->level = ssl_encryption_handshake; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
729 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
730 if (ngx_quic_decrypt(c->pool, c->ssl->connection, pkt) != NGX_OK) { |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
731 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
732 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
733 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
734 return ngx_quic_payload_handler(c, pkt); |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
735 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
736 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
737 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
738 static ngx_int_t |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
739 ngx_quic_app_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
740 { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
741 ngx_quic_connection_t *qc; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
742 |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
743 c->log->action = "processing application data quic packet"; |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
744 |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
745 qc = c->quic; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
746 |
7689 | 747 if (qc->secrets.client.ad.key.len == 0) { |
748 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
749 "no read keys yet, packet ignored"); | |
750 return NGX_DECLINED; | |
751 } | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
752 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
753 if (ngx_quic_parse_short_header(pkt, &qc->dcid) != NGX_OK) { |
7651
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
754 return NGX_ERROR; |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
755 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
756 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
757 pkt->secret = &qc->secrets.client.ad; |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
758 pkt->level = ssl_encryption_application; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
759 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
760 if (ngx_quic_decrypt(c->pool, c->ssl->connection, pkt) != NGX_OK) { |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
761 return NGX_ERROR; |
7651
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
762 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
763 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
764 return ngx_quic_payload_handler(c, pkt); |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
765 } |
7637 | 766 |
767 | |
7691 | 768 static ngx_int_t |
769 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
770 { | |
771 u_char *end, *p; | |
772 ssize_t len; | |
773 ngx_uint_t ack_this, do_close; | |
774 ngx_quic_frame_t frame, *ack_frame; | |
775 ngx_quic_connection_t *qc; | |
776 | |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
777 c->log->action = "processing quic payload"; |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
778 |
7691 | 779 qc = c->quic; |
780 | |
781 p = pkt->payload.data; | |
782 end = p + pkt->payload.len; | |
783 | |
784 ack_this = 0; | |
785 do_close = 0; | |
786 | |
787 while (p < end) { | |
788 | |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7705
diff
changeset
|
789 len = ngx_quic_parse_frame(pkt, p, end, &frame); |
7717
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
790 |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
791 if (len == NGX_DECLINED) { |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
792 /* TODO: handle protocol violation: |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
793 * such frame not allowed in this packet |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
794 */ |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
795 return NGX_ERROR; |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
796 } |
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
7713
diff
changeset
|
797 |
7691 | 798 if (len < 0) { |
799 return NGX_ERROR; | |
800 } | |
801 | |
802 p += len; | |
803 | |
804 switch (frame.type) { | |
805 | |
806 case NGX_QUIC_FT_ACK: | |
807 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
808 return NGX_ERROR; | |
809 } | |
810 | |
811 break; | |
812 | |
813 case NGX_QUIC_FT_CRYPTO: | |
814 | |
815 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
816 != NGX_OK) | |
817 { | |
818 return NGX_ERROR; | |
819 } | |
820 | |
821 ack_this = 1; | |
822 break; | |
823 | |
824 case NGX_QUIC_FT_PADDING: | |
825 break; | |
826 | |
827 case NGX_QUIC_FT_PING: | |
828 ack_this = 1; | |
829 break; | |
830 | |
831 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
832 ack_this = 1; | |
833 break; | |
834 | |
835 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
7724
80d7144b1c38
Closing connection on NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7718
diff
changeset
|
836 case NGX_QUIC_FT_CONNECTION_CLOSE2: |
7691 | 837 |
838 do_close = 1; | |
839 break; | |
840 | |
841 case NGX_QUIC_FT_STREAM0: | |
842 case NGX_QUIC_FT_STREAM1: | |
843 case NGX_QUIC_FT_STREAM2: | |
844 case NGX_QUIC_FT_STREAM3: | |
845 case NGX_QUIC_FT_STREAM4: | |
846 case NGX_QUIC_FT_STREAM5: | |
847 case NGX_QUIC_FT_STREAM6: | |
848 case NGX_QUIC_FT_STREAM7: | |
849 | |
850 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
851 != NGX_OK) | |
852 { | |
853 return NGX_ERROR; | |
854 } | |
855 | |
856 ack_this = 1; | |
857 break; | |
858 | |
7703
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
859 case NGX_QUIC_FT_MAX_DATA: |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
860 c->quic->max_data = frame.u.max_data.max_data; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
861 ack_this = 1; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
862 break; |
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7702
diff
changeset
|
863 |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
864 case NGX_QUIC_FT_RESET_STREAM: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7705
diff
changeset
|
865 /* TODO: handle */ |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
866 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
867 |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
868 case NGX_QUIC_FT_STOP_SENDING: |
7706
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
7705
diff
changeset
|
869 /* TODO: handle; need ack ? */ |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
870 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
871 |
7702
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
872 case NGX_QUIC_FT_STREAMS_BLOCKED: |
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
873 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
7711
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
874 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
875 if (ngx_quic_handle_streams_blocked_frame(c, pkt, |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
876 &frame.u.streams_blocked) |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
877 != NGX_OK) |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
878 { |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
879 return NGX_ERROR; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
880 } |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
881 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
882 ack_this = 1; |
7702
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
883 break; |
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
7701
diff
changeset
|
884 |
7691 | 885 default: |
886 return NGX_ERROR; | |
887 } | |
888 } | |
889 | |
890 if (p != end) { | |
891 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
892 "trailing garbage in payload: %ui bytes", end - p); | |
893 return NGX_ERROR; | |
894 } | |
895 | |
896 if (do_close) { | |
7724
80d7144b1c38
Closing connection on NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7718
diff
changeset
|
897 ngx_quic_close_connection(c); |
80d7144b1c38
Closing connection on NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7718
diff
changeset
|
898 return NGX_OK; |
7691 | 899 } |
900 | |
901 if (ack_this == 0) { | |
902 /* do not ack packets with ACKs and PADDING */ | |
903 return NGX_OK; | |
904 } | |
905 | |
906 // packet processed, ACK it now if required | |
907 // TODO: if (ack_required) ... - currently just ack each packet | |
908 | |
909 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
910 if (ack_frame == NULL) { | |
911 return NGX_ERROR; | |
912 } | |
913 | |
914 ack_frame->level = pkt->level; | |
915 ack_frame->type = NGX_QUIC_FT_ACK; | |
916 ack_frame->u.ack.pn = pkt->pn; | |
917 | |
918 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
919 ngx_quic_queue_frame(qc, ack_frame); | |
920 | |
921 return ngx_quic_output(c); | |
922 } | |
923 | |
924 | |
925 static ngx_int_t | |
926 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
927 ngx_quic_ack_frame_t *f) | |
928 { | |
929 /* TODO: handle ACK here */ | |
930 return NGX_OK; | |
931 } | |
932 | |
933 | |
934 static ngx_int_t | |
935 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
936 ngx_quic_crypto_frame_t *f) | |
937 { | |
938 int sslerr; | |
939 ssize_t n; | |
940 ngx_ssl_conn_t *ssl_conn; | |
941 | |
942 if (f->offset != 0x0) { | |
943 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
944 "crypto frame with non-zero offset"); | |
945 // TODO: add support for crypto frames spanning packets | |
946 return NGX_ERROR; | |
947 } | |
948 | |
949 ssl_conn = c->ssl->connection; | |
950 | |
951 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
952 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
953 (int) SSL_quic_read_level(ssl_conn), | |
954 (int) SSL_quic_write_level(ssl_conn)); | |
955 | |
956 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
957 f->data, f->len)) | |
958 { | |
959 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
960 "SSL_provide_quic_data() failed"); | |
961 return NGX_ERROR; | |
962 } | |
963 | |
964 n = SSL_do_handshake(ssl_conn); | |
965 | |
966 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
967 | |
968 if (n == -1) { | |
969 sslerr = SSL_get_error(ssl_conn, n); | |
970 | |
971 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
972 sslerr); | |
973 | |
974 if (sslerr == SSL_ERROR_SSL) { | |
975 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
976 } | |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
977 |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
978 } else if (n == 1) { |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
979 c->quic->state = NGX_QUIC_ST_APPLICATION; |
7691 | 980 |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
981 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
7691 | 982 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); |
983 | |
7729
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
984 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
985 "handshake completed successfully"); |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
986 } |
1295b293d09a
Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents:
7726
diff
changeset
|
987 |
7691 | 988 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
989 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
990 (int) SSL_quic_read_level(ssl_conn), | |
991 (int) SSL_quic_write_level(ssl_conn)); | |
992 | |
993 return NGX_OK; | |
994 } | |
995 | |
996 | |
997 static ngx_int_t | |
998 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
999 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
1000 { | |
1001 ngx_buf_t *b; | |
1002 ngx_quic_connection_t *qc; | |
1003 ngx_quic_stream_node_t *sn; | |
1004 | |
1005 qc = c->quic; | |
1006 | |
1007 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
1008 | |
1009 if (sn) { | |
1010 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
1011 b = sn->b; | |
1012 | |
1013 if ((size_t) (b->end - b->pos) < f->length) { | |
1014 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
1015 return NGX_ERROR; | |
1016 } | |
1017 | |
1018 ngx_memcpy(b->pos, f->data, f->length); | |
1019 b->pos += f->length; | |
1020 | |
1021 // TODO: notify | |
1022 | |
1023 return NGX_OK; | |
1024 } | |
1025 | |
1026 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
1027 | |
7695
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
1028 sn = ngx_quic_create_stream(c, f->stream_id); |
7691 | 1029 if (sn == NULL) { |
1030 return NGX_ERROR; | |
1031 } | |
1032 | |
1033 b = sn->b; | |
1034 | |
1035 ngx_memcpy(b->start, f->data, f->length); | |
1036 b->last = b->start + f->length; | |
1037 | |
1038 qc->streams.handler(sn->c); | |
1039 | |
1040 return NGX_OK; | |
1041 } | |
1042 | |
1043 | |
7711
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1044 static ngx_int_t |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1045 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1046 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f) |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1047 { |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1048 ngx_quic_frame_t *frame; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1049 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1050 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1051 if (frame == NULL) { |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1052 return NGX_ERROR; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1053 } |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1054 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1055 frame->level = pkt->level; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1056 frame->type = NGX_QUIC_FT_MAX_STREAMS; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1057 frame->u.max_streams.limit = f->limit * 2; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1058 frame->u.max_streams.bidi = f->bidi; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1059 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1060 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d", |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1061 (int) frame->u.max_streams.limit, |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1062 (int) frame->u.max_streams.bidi, |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1063 frame->level); |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1064 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1065 ngx_quic_queue_frame(c->quic, frame); |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1066 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1067 return NGX_OK; |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1068 } |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1069 |
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
7707
diff
changeset
|
1070 |
7691 | 1071 static void |
1072 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
1073 { | |
1074 ngx_quic_frame_t *f; | |
1075 | |
1076 if (qc->frames == NULL) { | |
1077 qc->frames = frame; | |
1078 return; | |
1079 } | |
1080 | |
1081 for (f = qc->frames; f->next; f = f->next) { | |
1082 if (f->next->level > frame->level) { | |
1083 break; | |
1084 } | |
1085 } | |
1086 | |
1087 frame->next = f->next; | |
1088 f->next = frame; | |
1089 } | |
1090 | |
1091 | |
1092 static ngx_int_t | |
1093 ngx_quic_output(ngx_connection_t *c) | |
1094 { | |
1095 size_t len; | |
1096 ngx_uint_t lvl; | |
1097 ngx_quic_frame_t *f, *start; | |
1098 ngx_quic_connection_t *qc; | |
1099 | |
1100 qc = c->quic; | |
1101 | |
1102 if (qc->frames == NULL) { | |
1103 return NGX_OK; | |
1104 } | |
1105 | |
1106 lvl = qc->frames->level; | |
1107 start = qc->frames; | |
1108 f = start; | |
1109 | |
1110 do { | |
1111 len = 0; | |
1112 | |
1113 do { | |
1114 /* process same-level group of frames */ | |
1115 | |
7707
db745339e54b
The ngx_quic_frame_len() function is not really needed.
Vladimir Homutov <vl@nginx.com>
parents:
7706
diff
changeset
|
1116 len += ngx_quic_create_frame(NULL, NULL, f);// TODO: handle overflow, max size |
7691 | 1117 |
1118 f = f->next; | |
1119 } while (f && f->level == lvl); | |
1120 | |
1121 | |
1122 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
1123 return NGX_ERROR; | |
1124 } | |
1125 | |
1126 if (f == NULL) { | |
1127 break; | |
1128 } | |
1129 | |
1130 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
1131 start = f; | |
1132 | |
1133 } while (1); | |
1134 | |
1135 qc->frames = NULL; | |
1136 | |
1137 return NGX_OK; | |
1138 } | |
1139 | |
1140 | |
1141 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
1142 ngx_int_t | |
1143 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
1144 ngx_quic_frame_t *end, size_t total) | |
1145 { | |
1146 ssize_t len; | |
1147 u_char *p; | |
1148 ngx_str_t out; | |
1149 ngx_quic_frame_t *f; | |
1150 | |
1151 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1152 "sending frames %p...%p", start, end); | |
1153 | |
1154 p = ngx_pnalloc(c->pool, total); | |
1155 if (p == NULL) { | |
1156 return NGX_ERROR; | |
1157 } | |
1158 | |
1159 out.data = p; | |
1160 | |
1161 for (f = start; f != end; f = f->next) { | |
1162 | |
1163 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
1164 | |
1165 len = ngx_quic_create_frame(p, p + total, f); | |
1166 if (len == -1) { | |
1167 return NGX_ERROR; | |
1168 } | |
1169 | |
1170 p += len; | |
1171 } | |
1172 | |
1173 out.len = p - out.data; | |
1174 | |
1175 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1176 "packet ready: %ui bytes at level %d", | |
1177 out.len, start->level); | |
1178 | |
1179 // IOVEC/sendmsg_chain ? | |
1180 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
1181 return NGX_ERROR; | |
1182 } | |
1183 | |
1184 return NGX_OK; | |
1185 } | |
1186 | |
1187 | |
1188 static ngx_int_t | |
1189 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
1190 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
1191 { | |
1192 ngx_str_t res; | |
1193 ngx_quic_header_t pkt; | |
1194 | |
1195 pkt.log = c->log; | |
1196 | |
1197 static ngx_str_t initial_token = ngx_null_string; | |
1198 | |
1199 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
1200 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
1201 | |
1202 pkt.level = level; | |
1203 pkt.dcid = qc->dcid; | |
1204 pkt.scid = qc->scid; | |
1205 | |
1206 if (level == ssl_encryption_initial) { | |
1207 pkt.number = &qc->initial_pn; | |
1208 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
1209 pkt.secret = &qc->secrets.server.in; | |
1210 pkt.token = initial_token; | |
1211 | |
1212 } else if (level == ssl_encryption_handshake) { | |
1213 pkt.number = &qc->handshake_pn; | |
1214 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
1215 pkt.secret = &qc->secrets.server.hs; | |
1216 | |
1217 } else { | |
1218 pkt.number = &qc->appdata_pn; | |
1219 pkt.secret = &qc->secrets.server.ad; | |
1220 } | |
1221 | |
1222 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
1223 != NGX_OK) | |
1224 { | |
1225 return NGX_ERROR; | |
1226 } | |
1227 | |
1228 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
1229 | |
1230 c->send(c, res.data, res.len); // TODO: err handling | |
1231 | |
1232 (*pkt.number)++; | |
1233 | |
1234 return NGX_OK; | |
1235 } | |
1236 | |
1237 | |
1238 ngx_connection_t * | |
1239 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
1240 { | |
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Implemented creation of server unidirectional streams.
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diff
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|
1241 ngx_uint_t id; |
cfc429911c0d
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parents:
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diff
changeset
|
1242 ngx_quic_stream_t *qs; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1243 ngx_quic_connection_t *qc; |
cfc429911c0d
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diff
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|
1244 ngx_quic_stream_node_t *sn; |
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diff
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|
1245 |
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diff
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|
1246 qs = c->qs; |
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Implemented creation of server unidirectional streams.
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diff
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|
1247 qc = qs->parent->quic; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1248 |
cfc429911c0d
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diff
changeset
|
1249 /* |
cfc429911c0d
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|
1250 * A stream ID is a 62-bit integer that is unique for all streams |
cfc429911c0d
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diff
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|
1251 * on a connection. |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1252 * |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1253 * 0x3 | Server-Initiated, Unidirectional |
cfc429911c0d
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diff
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|
1254 */ |
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Implemented creation of server unidirectional streams.
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diff
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|
1255 id = (qc->streams.id_counter << 2) | 0x3; |
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Implemented creation of server unidirectional streams.
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diff
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|
1256 |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1257 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1258 "creating server uni stream #%ui id %ui", |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1259 qc->streams.id_counter, id); |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1260 |
cfc429911c0d
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diff
changeset
|
1261 qc->streams.id_counter++; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1262 |
cfc429911c0d
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|
1263 sn = ngx_quic_create_stream(qs->parent, id); |
cfc429911c0d
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diff
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|
1264 if (sn == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1265 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1266 } |
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Implemented creation of server unidirectional streams.
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diff
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|
1267 |
cfc429911c0d
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|
1268 return sn->c; |
7691 | 1269 } |
1270 | |
1271 | |
1272 static void | |
1273 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
1274 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
1275 { | |
1276 ngx_rbtree_node_t **p; | |
1277 ngx_quic_stream_node_t *qn, *qnt; | |
1278 | |
1279 for ( ;; ) { | |
1280 | |
1281 if (node->key < temp->key) { | |
1282 | |
1283 p = &temp->left; | |
1284 | |
1285 } else if (node->key > temp->key) { | |
1286 | |
1287 p = &temp->right; | |
1288 | |
1289 } else { /* node->key == temp->key */ | |
1290 | |
1291 qn = (ngx_quic_stream_node_t *) &node->color; | |
1292 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
1293 | |
1294 if (qn->c < qnt->c) { | |
1295 p = &temp->left; | |
1296 } else { | |
1297 p = &temp->right; | |
1298 } | |
1299 } | |
1300 | |
1301 if (*p == sentinel) { | |
1302 break; | |
1303 } | |
1304 | |
1305 temp = *p; | |
1306 } | |
1307 | |
1308 *p = node; | |
1309 node->parent = temp; | |
1310 node->left = sentinel; | |
1311 node->right = sentinel; | |
1312 ngx_rbt_red(node); | |
1313 } | |
1314 | |
1315 | |
1316 static ngx_quic_stream_node_t * | |
1317 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
1318 { | |
1319 ngx_rbtree_node_t *node, *sentinel; | |
1320 | |
1321 node = rbtree->root; | |
1322 sentinel = rbtree->sentinel; | |
1323 | |
1324 while (node != sentinel) { | |
1325 | |
1326 if (key == node->key) { | |
1327 return (ngx_quic_stream_node_t *) node; | |
1328 } | |
1329 | |
1330 node = (key < node->key) ? node->left : node->right; | |
1331 } | |
1332 | |
1333 return NULL; | |
1334 } | |
1335 | |
1336 | |
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diff
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|
1337 static ngx_quic_stream_node_t * |
cfc429911c0d
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|
1338 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
cfc429911c0d
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diff
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|
1339 { |
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|
1340 ngx_log_t *log; |
cfc429911c0d
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diff
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|
1341 ngx_pool_t *pool; |
cfc429911c0d
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diff
changeset
|
1342 ngx_event_t *rev, *wev; |
7705
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
7703
diff
changeset
|
1343 ngx_pool_cleanup_t *cln; |
7695
cfc429911c0d
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|
1344 ngx_quic_connection_t *qc; |
cfc429911c0d
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|
1345 ngx_quic_stream_node_t *sn; |
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|
1346 |
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|
1347 qc = c->quic; |
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|
1348 |
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|
1349 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
cfc429911c0d
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diff
changeset
|
1350 if (sn == NULL) { |
cfc429911c0d
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diff
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|
1351 return NULL; |
cfc429911c0d
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parents:
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diff
changeset
|
1352 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1353 |
cfc429911c0d
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diff
changeset
|
1354 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1355 if (sn->c == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1356 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1357 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1358 |
cfc429911c0d
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diff
changeset
|
1359 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1360 if (pool == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1361 /* XXX free connection */ |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1362 // TODO: add pool cleanup handdler |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1363 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1364 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1365 |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1366 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1367 if (log == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1368 /* XXX free pool and connection */ |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1369 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1370 } |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1371 |
cfc429911c0d
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changeset
|
1372 *log = *c->log; |
cfc429911c0d
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changeset
|
1373 pool->log = log; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1374 |
cfc429911c0d
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diff
changeset
|
1375 sn->c->log = log; |
cfc429911c0d
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diff
changeset
|
1376 sn->c->pool = pool; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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|
1377 |
cfc429911c0d
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changeset
|
1378 sn->c->listening = c->listening; |
cfc429911c0d
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|
1379 sn->c->sockaddr = c->sockaddr; |
cfc429911c0d
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diff
changeset
|
1380 sn->c->local_sockaddr = c->local_sockaddr; |
7700
19bb9edcd8bd
Added copying addr_text to QUIC stream connections.
Roman Arutyunyan <arut@nginx.com>
parents:
7698
diff
changeset
|
1381 sn->c->addr_text = c->addr_text; |
7695
cfc429911c0d
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|
1382 |
cfc429911c0d
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changeset
|
1383 rev = sn->c->read; |
cfc429911c0d
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|
1384 wev = sn->c->write; |
cfc429911c0d
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diff
changeset
|
1385 |
cfc429911c0d
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changeset
|
1386 rev->ready = 1; |
cfc429911c0d
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changeset
|
1387 |
cfc429911c0d
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changeset
|
1388 rev->log = c->log; |
cfc429911c0d
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diff
changeset
|
1389 wev->log = c->log; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1390 |
cfc429911c0d
Implemented creation of server unidirectional streams.
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changeset
|
1391 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1392 |
cfc429911c0d
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diff
changeset
|
1393 sn->node.key =id; |
cfc429911c0d
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diff
changeset
|
1394 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1395 if (sn->b == NULL) { |
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1396 return NULL; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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|
1397 } |
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Implemented creation of server unidirectional streams.
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|
1398 |
cfc429911c0d
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|
1399 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1400 |
cfc429911c0d
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diff
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|
1401 sn->s.id = id; |
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Implemented creation of server unidirectional streams.
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diff
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|
1402 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1403 sn->s.parent = c; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1404 sn->c->qs = &sn->s; |
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Implemented creation of server unidirectional streams.
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|
1405 |
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|
1406 sn->c->recv = ngx_quic_stream_recv; |
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diff
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|
1407 sn->c->send = ngx_quic_stream_send; |
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|
1408 sn->c->send_chain = ngx_quic_stream_send_chain; |
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|
1409 |
7705
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Send a FIN frame when QUIC stream is closed.
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1410 cln = ngx_pool_cleanup_add(pool, 0); |
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Send a FIN frame when QUIC stream is closed.
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1411 if (cln == NULL) { |
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Send a FIN frame when QUIC stream is closed.
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|
1412 ngx_close_connection(sn->c); |
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Send a FIN frame when QUIC stream is closed.
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|
1413 ngx_destroy_pool(pool); |
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|
1414 return NULL; |
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|
1415 } |
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Send a FIN frame when QUIC stream is closed.
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|
1416 |
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|
1417 cln->handler = ngx_quic_stream_cleanup_handler; |
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|
1418 cln->data = sn->c; |
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|
1419 |
7695
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|
1420 return sn; |
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diff
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|
1421 } |
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Implemented creation of server unidirectional streams.
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|
1422 |
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|
1423 |
7691 | 1424 static ssize_t |
1425 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
1426 { | |
1427 ssize_t len; | |
1428 ngx_buf_t *b; | |
1429 ngx_quic_stream_t *qs; | |
1430 ngx_quic_connection_t *qc; | |
1431 ngx_quic_stream_node_t *sn; | |
1432 | |
1433 qs = c->qs; | |
1434 qc = qs->parent->quic; | |
1435 | |
1436 // XXX: get direct pointer from stream structure? | |
1437 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1438 | |
1439 if (sn == NULL) { | |
1440 return NGX_ERROR; | |
1441 } | |
1442 | |
1443 // XXX: how to return EOF? | |
1444 | |
1445 b = sn->b; | |
1446 | |
1447 if (b->last - b->pos == 0) { | |
1448 c->read->ready = 0; | |
1449 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1450 "quic recv() not ready"); | |
1451 return NGX_AGAIN; // ? | |
1452 } | |
1453 | |
1454 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
1455 | |
1456 ngx_memcpy(buf, b->pos, len); | |
1457 | |
1458 b->pos += len; | |
1459 | |
1460 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1461 "quic recv: %z of %uz", len, size); | |
1462 | |
1463 return len; | |
1464 } | |
1465 | |
1466 | |
1467 static ssize_t | |
1468 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
1469 { | |
1470 u_char *p; | |
1471 ngx_connection_t *pc; | |
1472 ngx_quic_frame_t *frame; | |
1473 ngx_quic_stream_t *qs; | |
1474 ngx_quic_connection_t *qc; | |
1475 ngx_quic_stream_node_t *sn; | |
1476 | |
1477 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
1478 | |
1479 qs = c->qs; | |
1480 pc = qs->parent; | |
1481 qc = pc->quic; | |
1482 | |
1483 // XXX: get direct pointer from stream structure? | |
1484 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1485 | |
1486 if (sn == NULL) { | |
1487 return NGX_ERROR; | |
1488 } | |
1489 | |
1490 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
1491 if (frame == NULL) { | |
1492 return 0; | |
1493 } | |
1494 | |
1495 p = ngx_pnalloc(pc->pool, size); | |
1496 if (p == NULL) { | |
1497 return 0; | |
1498 } | |
1499 | |
1500 ngx_memcpy(p, buf, size); | |
1501 | |
1502 frame->level = ssl_encryption_application; | |
1503 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
1504 frame->u.stream.off = 1; | |
1505 frame->u.stream.len = 1; | |
1506 frame->u.stream.fin = 0; | |
1507 | |
1508 frame->u.stream.type = frame->type; | |
1509 frame->u.stream.stream_id = qs->id; | |
1510 frame->u.stream.offset = c->sent; | |
1511 frame->u.stream.length = size; | |
1512 frame->u.stream.data = p; | |
1513 | |
1514 c->sent += size; | |
1515 | |
1516 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
1517 qs->id, size, frame->level); | |
1518 | |
1519 ngx_quic_queue_frame(qc, frame); | |
1520 | |
1521 return size; | |
1522 } | |
1523 | |
1524 | |
7705
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|
1525 static void |
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Send a FIN frame when QUIC stream is closed.
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diff
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|
1526 ngx_quic_stream_cleanup_handler(void *data) |
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Send a FIN frame when QUIC stream is closed.
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|
1527 { |
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Send a FIN frame when QUIC stream is closed.
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|
1528 ngx_connection_t *c = data; |
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Send a FIN frame when QUIC stream is closed.
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|
1529 |
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Send a FIN frame when QUIC stream is closed.
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|
1530 ngx_connection_t *pc; |
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Send a FIN frame when QUIC stream is closed.
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|
1531 ngx_quic_frame_t *frame; |
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Send a FIN frame when QUIC stream is closed.
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|
1532 ngx_quic_stream_t *qs; |
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Send a FIN frame when QUIC stream is closed.
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|
1533 ngx_quic_connection_t *qc; |
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Send a FIN frame when QUIC stream is closed.
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|
1534 ngx_quic_stream_node_t *sn; |
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Send a FIN frame when QUIC stream is closed.
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|
1535 |
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Send a FIN frame when QUIC stream is closed.
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|
1536 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send fin"); |
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Send a FIN frame when QUIC stream is closed.
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|
1537 |
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Send a FIN frame when QUIC stream is closed.
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|
1538 qs = c->qs; |
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Send a FIN frame when QUIC stream is closed.
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1539 pc = qs->parent; |
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Send a FIN frame when QUIC stream is closed.
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1540 qc = pc->quic; |
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Send a FIN frame when QUIC stream is closed.
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|
1541 |
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Send a FIN frame when QUIC stream is closed.
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|
1542 if ((qs->id & 0x03) == 0x02) { |
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Send a FIN frame when QUIC stream is closed.
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parents:
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diff
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|
1543 /* do not send fin for client unidirectional streams */ |
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Send a FIN frame when QUIC stream is closed.
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|
1544 return; |
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Send a FIN frame when QUIC stream is closed.
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|
1545 } |
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Send a FIN frame when QUIC stream is closed.
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|
1546 |
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Send a FIN frame when QUIC stream is closed.
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|
1547 // XXX: get direct pointer from stream structure? |
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Send a FIN frame when QUIC stream is closed.
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|
1548 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); |
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Send a FIN frame when QUIC stream is closed.
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|
1549 |
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Send a FIN frame when QUIC stream is closed.
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|
1550 if (sn == NULL) { |
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Send a FIN frame when QUIC stream is closed.
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|
1551 return; |
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Send a FIN frame when QUIC stream is closed.
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diff
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|
1552 } |
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Send a FIN frame when QUIC stream is closed.
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|
1553 |
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Send a FIN frame when QUIC stream is closed.
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|
1554 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); |
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Send a FIN frame when QUIC stream is closed.
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|
1555 if (frame == NULL) { |
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Send a FIN frame when QUIC stream is closed.
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|
1556 return; |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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|
1557 } |
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
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|
1558 |
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Send a FIN frame when QUIC stream is closed.
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|
1559 frame->level = ssl_encryption_application; |
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Send a FIN frame when QUIC stream is closed.
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|
1560 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */ |
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Send a FIN frame when QUIC stream is closed.
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|
1561 frame->u.stream.off = 1; |
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Send a FIN frame when QUIC stream is closed.
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1562 frame->u.stream.len = 1; |
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Send a FIN frame when QUIC stream is closed.
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1563 frame->u.stream.fin = 1; |
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Send a FIN frame when QUIC stream is closed.
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1564 |
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Send a FIN frame when QUIC stream is closed.
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|
1565 frame->u.stream.type = frame->type; |
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Send a FIN frame when QUIC stream is closed.
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|
1566 frame->u.stream.stream_id = qs->id; |
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Send a FIN frame when QUIC stream is closed.
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1567 frame->u.stream.offset = c->sent; |
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Send a FIN frame when QUIC stream is closed.
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|
1568 frame->u.stream.length = 0; |
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Send a FIN frame when QUIC stream is closed.
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|
1569 frame->u.stream.data = NULL; |
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Send a FIN frame when QUIC stream is closed.
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|
1570 |
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Send a FIN frame when QUIC stream is closed.
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|
1571 ngx_sprintf(frame->info, "stream %xi fin=1 level=%d", qs->id, frame->level); |
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Send a FIN frame when QUIC stream is closed.
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|
1572 |
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Send a FIN frame when QUIC stream is closed.
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|
1573 ngx_quic_queue_frame(qc, frame); |
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Send a FIN frame when QUIC stream is closed.
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|
1574 } |
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Send a FIN frame when QUIC stream is closed.
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changeset
|
1575 |
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|
1576 |
7691 | 1577 static ngx_chain_t * |
1578 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
1579 off_t limit) | |
1580 { | |
1581 size_t len; | |
1582 ssize_t n; | |
1583 ngx_buf_t *b; | |
1584 | |
1585 for ( /* void */; in; in = in->next) { | |
1586 b = in->buf; | |
1587 | |
1588 if (!ngx_buf_in_memory(b)) { | |
1589 continue; | |
1590 } | |
1591 | |
1592 if (ngx_buf_size(b) == 0) { | |
1593 continue; | |
1594 } | |
1595 | |
1596 len = b->last - b->pos; | |
1597 | |
1598 n = ngx_quic_stream_send(c, b->pos, len); | |
1599 | |
1600 if (n == NGX_ERROR) { | |
1601 return NGX_CHAIN_ERROR; | |
1602 } | |
1603 | |
1604 if (n == NGX_AGAIN) { | |
1605 return in; | |
1606 } | |
1607 | |
1608 if (n != (ssize_t) len) { | |
1609 b->pos += n; | |
1610 return in; | |
1611 } | |
1612 } | |
1613 | |
1614 return NULL; | |
1615 } |