Mercurial > hg > nginx-quic
annotate src/event/ngx_event_quic.c @ 7698:253cf267f95a quic
Moved setting QUIC methods to runtime.
This allows listening to both https and http3 in the same server.
Also, the change eliminates the ssl_quic directive.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 18 Mar 2020 16:37:16 +0300 |
parents | 78540e2160d0 |
children | 19bb9edcd8bd |
rev | line source |
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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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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
7637 | 7 #include <ngx_config.h> |
8 #include <ngx_core.h> | |
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9 #include <ngx_event.h> |
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10 |
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11 |
7691 | 12 typedef struct { |
13 ngx_rbtree_node_t node; | |
14 ngx_buf_t *b; | |
15 ngx_connection_t *c; | |
16 ngx_quic_stream_t s; | |
17 } ngx_quic_stream_node_t; | |
18 | |
19 | |
20 typedef struct { | |
21 ngx_rbtree_t tree; | |
22 ngx_rbtree_node_t sentinel; | |
23 ngx_msec_t timeout; | |
24 ngx_connection_handler_pt handler; | |
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25 |
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26 ngx_uint_t id_counter; |
7691 | 27 } ngx_quic_streams_t; |
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28 |
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29 |
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30 struct ngx_quic_connection_s { |
7691 | 31 ngx_str_t scid; |
32 ngx_str_t dcid; | |
33 ngx_str_t token; | |
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34 |
7691 | 35 /* current packet numbers for each namespace */ |
36 ngx_uint_t initial_pn; | |
37 ngx_uint_t handshake_pn; | |
38 ngx_uint_t appdata_pn; | |
7650
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39 |
7691 | 40 ngx_quic_secrets_t secrets; |
41 ngx_ssl_t *ssl; | |
42 ngx_quic_frame_t *frames; | |
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43 |
7691 | 44 ngx_quic_streams_t streams; |
45 }; | |
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Added support of multiple QUIC packets in single datagram.
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46 |
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47 |
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48 #if BORINGSSL_API_VERSION >= 10 |
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49 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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50 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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51 const uint8_t *secret, size_t secret_len); |
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52 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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53 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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54 const uint8_t *secret, size_t secret_len); |
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55 #else |
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56 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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57 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
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58 const uint8_t *write_secret, size_t secret_len); |
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59 #endif |
7691 | 60 |
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61 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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62 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
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63 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
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64 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
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65 enum ssl_encryption_level_t level, uint8_t alert); |
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66 |
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67 |
7691 | 68 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
69 ngx_quic_header_t *pkt); | |
70 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); | |
71 static void ngx_quic_handshake_handler(ngx_event_t *rev); | |
72 static void ngx_quic_close_connection(ngx_connection_t *c); | |
73 | |
74 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
75 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
76 ngx_quic_header_t *pkt); | |
77 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
78 ngx_quic_header_t *pkt); | |
79 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
80 ngx_quic_header_t *pkt); | |
81 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
82 ngx_quic_header_t *pkt); | |
83 | |
84 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
85 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
86 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
87 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
88 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
89 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *frame); | |
90 | |
91 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
92 ngx_quic_frame_t *frame); | |
93 | |
94 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
95 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
96 ngx_quic_frame_t *end, size_t total); | |
97 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
98 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
99 ngx_str_t *payload); | |
100 | |
101 | |
102 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
103 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
104 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
105 ngx_uint_t key); | |
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106 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
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107 ngx_uint_t id); |
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108 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, |
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109 size_t size); |
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110 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
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111 size_t size); |
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112 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
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113 ngx_chain_t *in, off_t limit); |
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114 |
7691 | 115 |
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116 static SSL_QUIC_METHOD quic_method = { |
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117 #if BORINGSSL_API_VERSION >= 10 |
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118 ngx_quic_set_read_secret, |
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119 ngx_quic_set_write_secret, |
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120 #else |
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121 ngx_quic_set_encryption_secrets, |
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122 #endif |
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123 ngx_quic_add_handshake_data, |
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124 ngx_quic_flush_flight, |
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125 ngx_quic_send_alert, |
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126 }; |
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127 |
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128 |
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129 #if BORINGSSL_API_VERSION >= 10 |
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130 |
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131 static int |
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132 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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133 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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134 const uint8_t *rsecret, size_t secret_len) |
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135 { |
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136 ngx_connection_t *c; |
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137 |
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138 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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139 |
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140 ngx_quic_hexdump(c->log, "level:%d read secret", |
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141 rsecret, secret_len, level); |
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142 |
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143 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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144 rsecret, secret_len, |
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145 &c->quic->secrets.client); |
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146 } |
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147 |
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148 |
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149 static int |
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150 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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151 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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152 const uint8_t *wsecret, size_t secret_len) |
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153 { |
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154 ngx_connection_t *c; |
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155 |
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156 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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157 |
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158 ngx_quic_hexdump(c->log, "level:%d write secret", |
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159 wsecret, secret_len, level); |
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160 |
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161 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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162 wsecret, secret_len, |
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163 &c->quic->secrets.server); |
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164 } |
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165 |
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166 #else |
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167 |
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168 static int |
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169 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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170 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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171 const uint8_t *wsecret, size_t secret_len) |
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172 { |
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173 ngx_int_t rc; |
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174 ngx_connection_t *c; |
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175 |
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176 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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177 |
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178 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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179 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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180 |
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181 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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182 rsecret, secret_len, |
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183 &c->quic->secrets.client); |
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184 if (rc != 1) { |
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185 return rc; |
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186 } |
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187 |
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188 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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189 wsecret, secret_len, |
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190 &c->quic->secrets.server); |
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191 } |
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192 |
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193 #endif |
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194 |
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195 |
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196 static int |
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197 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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198 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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199 { |
7691 | 200 u_char *p; |
201 ngx_quic_frame_t *frame; | |
202 ngx_connection_t *c; | |
203 ngx_quic_connection_t *qc; | |
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204 |
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205 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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206 qc = c->quic; |
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207 |
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208 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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209 "ngx_quic_add_handshake_data"); |
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210 |
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211 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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212 if (frame == NULL) { |
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213 return 0; |
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214 } |
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215 |
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216 p = ngx_pnalloc(c->pool, len); |
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217 if (p == NULL) { |
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218 return 0; |
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219 } |
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220 |
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221 ngx_memcpy(p, data, len); |
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222 |
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223 frame->level = level; |
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224 frame->type = NGX_QUIC_FT_CRYPTO; |
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225 frame->u.crypto.len = len; |
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226 frame->u.crypto.data = p; |
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227 |
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228 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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229 |
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230 ngx_quic_queue_frame(qc, frame); |
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231 |
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232 return 1; |
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233 } |
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234 |
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235 |
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236 static int |
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237 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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238 { |
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239 ngx_connection_t *c; |
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240 |
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241 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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242 |
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243 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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244 |
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245 return 1; |
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246 } |
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247 |
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248 |
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249 static int |
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250 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
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251 uint8_t alert) |
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252 { |
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253 ngx_connection_t *c; |
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254 |
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255 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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256 |
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257 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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258 "ngx_quic_send_alert(), lvl=%d, alert=%d", |
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259 (int) level, (int) alert); |
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260 |
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261 return 1; |
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262 } |
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263 |
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264 |
7691 | 265 void |
266 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_msec_t timeout, | |
267 ngx_connection_handler_pt handler) | |
268 { | |
269 ngx_buf_t *b; | |
270 ngx_quic_header_t pkt; | |
271 | |
272 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic handshake"); | |
273 | |
274 c->log->action = "QUIC handshaking"; | |
275 | |
276 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
277 | |
278 b = c->buffer; | |
279 | |
280 pkt.log = c->log; | |
281 pkt.raw = b; | |
282 pkt.data = b->start; | |
283 pkt.len = b->last - b->start; | |
284 | |
285 if (ngx_quic_new_connection(c, ssl, &pkt) != NGX_OK) { | |
286 ngx_quic_close_connection(c); | |
287 return; | |
288 } | |
289 | |
290 // we don't need stream handler for initial packet processing | |
291 c->quic->streams.handler = handler; | |
292 c->quic->streams.timeout = timeout; | |
293 | |
294 ngx_add_timer(c->read, timeout); | |
295 | |
296 c->read->handler = ngx_quic_handshake_handler; | |
297 | |
298 return; | |
299 } | |
300 | |
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301 |
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302 static ngx_int_t |
7691 | 303 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
304 ngx_quic_header_t *pkt) | |
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305 { |
7691 | 306 ngx_quic_connection_t *qc; |
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Generic payload handler for quic packets.
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307 |
7691 | 308 if (ngx_buf_size(pkt->raw) < 1200) { |
309 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
310 return NGX_ERROR; | |
311 } | |
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Generic payload handler for quic packets.
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312 |
7691 | 313 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
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Generic payload handler for quic packets.
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314 return NGX_ERROR; |
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Generic payload handler for quic packets.
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|
315 } |
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Generic payload handler for quic packets.
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|
316 |
7691 | 317 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_INITIAL) { |
318 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
319 "invalid initial packet: 0x%xi", pkt->flags); | |
320 return NGX_ERROR; | |
321 } | |
7665
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Generic payload handler for quic packets.
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322 |
7691 | 323 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
324 return NGX_ERROR; | |
325 } | |
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Generic payload handler for quic packets.
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diff
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|
326 |
7691 | 327 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
328 if (qc == NULL) { | |
329 return NGX_ERROR; | |
7665
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Generic payload handler for quic packets.
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|
330 } |
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Generic payload handler for quic packets.
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|
331 |
7691 | 332 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
333 ngx_quic_rbtree_insert_stream); | |
334 | |
335 c->quic = qc; | |
336 qc->ssl = ssl; | |
337 | |
338 qc->dcid.len = pkt->dcid.len; | |
339 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
340 if (qc->dcid.data == NULL) { | |
341 return NGX_ERROR; | |
342 } | |
343 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
344 | |
345 qc->scid.len = pkt->scid.len; | |
346 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
347 if (qc->scid.data == NULL) { | |
348 return NGX_ERROR; | |
349 } | |
350 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
7665
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Generic payload handler for quic packets.
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|
351 |
7691 | 352 qc->token.len = pkt->token.len; |
353 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
354 if (qc->token.data == NULL) { | |
355 return NGX_ERROR; | |
356 } | |
357 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
358 | |
359 | |
360 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
361 != NGX_OK) | |
362 { | |
363 return NGX_ERROR; | |
364 } | |
7665
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Generic payload handler for quic packets.
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diff
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|
365 |
7691 | 366 pkt->secret = &qc->secrets.client.in; |
367 pkt->level = ssl_encryption_initial; | |
368 | |
369 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
370 return NGX_ERROR; | |
371 } | |
372 | |
373 if (ngx_quic_init_connection(c) != NGX_OK) { | |
374 return NGX_ERROR; | |
375 } | |
376 | |
377 return ngx_quic_payload_handler(c, pkt); | |
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Generic payload handler for quic packets.
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|
378 } |
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Generic payload handler for quic packets.
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|
379 |
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Generic payload handler for quic packets.
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|
380 |
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Generic payload handler for quic packets.
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|
381 static ngx_int_t |
7687
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Split transport and crypto parts into separate files.
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|
382 ngx_quic_init_connection(ngx_connection_t *c) |
7665
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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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|
384 int n, sslerr; |
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Generic payload handler for quic packets.
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|
385 ngx_ssl_conn_t *ssl_conn; |
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|
386 ngx_quic_connection_t *qc; |
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Generic payload handler for quic packets.
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|
387 |
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Added more transport parameters.
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|
388 static const uint8_t params[] = |
a5423632d67b
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diff
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|
389 "\x00\x29" /* parameters length: 41 bytes */ |
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|
390 "\x00\x0e\x00\x01\x05" /* active connection id limit: 5 */ |
a5423632d67b
Added more transport parameters.
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diff
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|
391 "\x00\x04\x00\x04\x80\x98\x96\x80" /* initial max data = 10000000 */ |
a5423632d67b
Added more transport parameters.
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diff
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|
392 "\x00\x09\x00\x01\x03" /* initial max streams uni: 3 */ |
a5423632d67b
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Vladimir Homutov <vl@nginx.com>
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diff
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|
393 "\x00\x08\x00\x01\x10" /* initial max streams bidi: 16 */ |
a5423632d67b
Added more transport parameters.
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diff
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|
394 "\x00\x05\x00\x02\x40\xff" /* initial max stream bidi local: 255 */ |
a5423632d67b
Added more transport parameters.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
395 "\x00\x06\x00\x02\x40\xff" /* initial max stream bidi remote: 255 */ |
a5423632d67b
Added more transport parameters.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
396 "\x00\x07\x00\x02\x40\xff"; /* initial max stream data uni: 255 */ |
7665
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Generic payload handler for quic packets.
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|
397 |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
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|
398 qc = c->quic; |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
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|
399 |
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Generic payload handler for quic packets.
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diff
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|
400 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
1297dc83a6b9
Generic payload handler for quic packets.
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parents:
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diff
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|
401 return NGX_ERROR; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
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diff
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|
402 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
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diff
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|
403 |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
404 ssl_conn = c->ssl->connection; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
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7664
diff
changeset
|
405 |
7698
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
406 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
|
407 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
|
408 "SSL_set_quic_method() failed"); |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
409 return NGX_ERROR; |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
410 } |
253cf267f95a
Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents:
7697
diff
changeset
|
411 |
7671
a5423632d67b
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
412 if (SSL_set_quic_transport_params(ssl_conn, params, sizeof(params) - 1) == 0) { |
7665
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Generic payload handler for quic packets.
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diff
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|
413 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
414 "SSL_set_quic_transport_params() failed"); |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
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|
415 return NGX_ERROR; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
416 } |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
417 |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
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|
418 n = SSL_do_handshake(ssl_conn); |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
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|
419 |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
420 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
421 |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
422 if (n == -1) { |
1297dc83a6b9
Generic payload handler for quic packets.
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diff
changeset
|
423 sslerr = SSL_get_error(ssl_conn, n); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
424 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
425 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
1297dc83a6b9
Generic payload handler for quic packets.
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parents:
7664
diff
changeset
|
426 sslerr); |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
427 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
428 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
429 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
|
430 "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
|
431 (int) SSL_quic_read_level(ssl_conn), |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
432 (int) SSL_quic_write_level(ssl_conn)); |
1297dc83a6b9
Generic payload handler for quic packets.
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parents:
7664
diff
changeset
|
433 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
434 return NGX_OK; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
435 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
436 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
437 |
7691 | 438 static void |
439 ngx_quic_handshake_handler(ngx_event_t *rev) | |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
440 { |
7691 | 441 ssize_t n; |
442 ngx_buf_t b; | |
443 ngx_connection_t *c; | |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
444 |
7691 | 445 u_char buf[512]; |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
446 |
7691 | 447 b.start = buf; |
448 b.end = buf + 512; | |
449 b.pos = b.last = b.start; | |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
450 |
7691 | 451 c = rev->data; |
7677
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
7675
diff
changeset
|
452 |
7691 | 453 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic handshake handler"); |
7678
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
7677
diff
changeset
|
454 |
7691 | 455 if (rev->timedout) { |
456 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
457 ngx_quic_close_connection(c); | |
458 return; | |
7678
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
7677
diff
changeset
|
459 } |
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
7677
diff
changeset
|
460 |
7691 | 461 if (c->close) { |
462 ngx_quic_close_connection(c); | |
463 return; | |
464 } | |
7686
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents:
7684
diff
changeset
|
465 |
7691 | 466 n = c->recv(c, b.start, b.end - b.start); |
7681 | 467 |
7691 | 468 if (n == NGX_AGAIN) { |
469 return; | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
470 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
471 |
7691 | 472 if (n == NGX_ERROR) { |
473 c->read->eof = 1; | |
474 ngx_quic_close_connection(c); | |
475 return; | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
476 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
477 |
7691 | 478 b.last += n; |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
479 |
7691 | 480 if (ngx_quic_input(c, &b) != NGX_OK) { |
481 ngx_quic_close_connection(c); | |
482 return; | |
483 } | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
484 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
485 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
486 |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
487 static void |
7691 | 488 ngx_quic_close_connection(ngx_connection_t *c) |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
489 { |
7691 | 490 ngx_pool_t *pool; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
491 |
7691 | 492 /* XXX wait for all streams to close */ |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
493 |
7691 | 494 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
495 "close quic connection: %d", c->fd); | |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
496 |
7691 | 497 if (c->ssl) { |
498 (void) ngx_ssl_shutdown(c); | |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
499 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
500 |
7691 | 501 #if (NGX_STAT_STUB) |
502 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
503 #endif | |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
504 |
7691 | 505 c->destroyed = 1; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
506 |
7691 | 507 pool = c->pool; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
508 |
7691 | 509 ngx_close_connection(c); |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
510 |
7691 | 511 ngx_destroy_pool(pool); |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
512 } |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
513 |
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
514 |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
515 static ngx_int_t |
7691 | 516 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
|
517 { |
7691 | 518 u_char *p; |
519 ngx_int_t rc; | |
520 ngx_quic_header_t pkt; | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
521 |
7691 | 522 if (c->quic == NULL) { |
523 // XXX: possible? | |
524 ngx_log_error(NGX_LOG_INFO, c->log, 0, "BUG: no QUIC in connection"); | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
525 return NGX_ERROR; |
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
526 } |
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
527 |
7691 | 528 p = b->start; |
7674
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
7673
diff
changeset
|
529 |
7691 | 530 do { |
531 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
532 pkt.raw = b; | |
533 pkt.data = p; | |
534 pkt.len = b->last - p; | |
535 pkt.log = c->log; | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
536 |
7691 | 537 if (p[0] == 0) { |
538 /* XXX: no idea WTF is this, just ignore */ | |
539 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
540 break; | |
541 } | |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
542 |
7691 | 543 // TODO: check current state |
544 if (p[0] & NGX_QUIC_PKT_LONG) { | |
545 | |
546 if ((p[0] & 0xf0) == NGX_QUIC_PKT_INITIAL) { | |
547 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
|
548 |
7691 | 549 } else if ((p[0] & 0xf0) == NGX_QUIC_PKT_HANDSHAKE) { |
550 rc = ngx_quic_handshake_input(c, &pkt); | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
551 |
7691 | 552 } else { |
553 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
554 "BUG: unknown quic state"); | |
555 return NGX_ERROR; | |
556 } | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
557 |
7691 | 558 } else { |
559 rc = ngx_quic_app_input(c, &pkt); | |
560 } | |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
561 |
7691 | 562 if (rc == NGX_ERROR) { |
563 return NGX_ERROR; | |
564 } | |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
565 |
7691 | 566 /* b->pos is at header end, adjust by actual packet length */ |
567 p = b->pos + pkt.len; | |
568 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
|
569 |
7691 | 570 } while (p < b->last); |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
571 |
7691 | 572 return NGX_OK; |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
573 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
574 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
575 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
576 static ngx_int_t |
7689 | 577 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
578 { | |
579 ngx_ssl_conn_t *ssl_conn; | |
580 ngx_quic_connection_t *qc; | |
581 | |
582 qc = c->quic; | |
583 ssl_conn = c->ssl->connection; | |
584 | |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
585 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
7689 | 586 return NGX_ERROR; |
587 } | |
588 | |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
589 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
7689 | 590 return NGX_ERROR; |
591 } | |
592 | |
593 pkt->secret = &qc->secrets.client.in; | |
594 pkt->level = ssl_encryption_initial; | |
595 | |
596 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
597 return NGX_ERROR; | |
598 } | |
599 | |
600 return ngx_quic_payload_handler(c, pkt); | |
601 } | |
602 | |
603 | |
604 static ngx_int_t | |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
605 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
|
606 { |
7654
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7653
diff
changeset
|
607 ngx_ssl_conn_t *ssl_conn; |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
608 ngx_quic_connection_t *qc; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
609 |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
610 qc = c->quic; |
7654
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7653
diff
changeset
|
611 ssl_conn = c->ssl->connection; |
7648
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
612 |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
613 /* 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
|
614 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
|
615 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
616 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
617 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
618 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
|
619 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
|
620 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
621 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
622 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
623 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
|
624 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
|
625 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
626 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
627 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
628 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
|
629 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
|
630 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
631 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
632 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
633 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
|
634 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
|
635 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
636 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
637 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
638 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_HANDSHAKE) { |
7659
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
7658
diff
changeset
|
639 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
|
640 "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
|
641 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
642 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
643 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
644 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
|
645 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
646 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
647 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
648 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
|
649 pkt->level = ssl_encryption_handshake; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
650 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
651 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
|
652 return NGX_ERROR; |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
653 } |
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
7646
diff
changeset
|
654 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
655 return ngx_quic_payload_handler(c, pkt); |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
656 } |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
657 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
658 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
659 static ngx_int_t |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
660 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
|
661 { |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
662 ngx_quic_connection_t *qc; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
663 |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
664 qc = c->quic; |
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
665 |
7689 | 666 if (qc->secrets.client.ad.key.len == 0) { |
667 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
668 "no read keys yet, packet ignored"); | |
669 return NGX_DECLINED; | |
670 } | |
7665
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
7664
diff
changeset
|
671 |
7690
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
7689
diff
changeset
|
672 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
|
673 return NGX_ERROR; |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
674 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
675 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
676 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
|
677 pkt->level = ssl_encryption_application; |
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
678 |
7687
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
7686
diff
changeset
|
679 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
|
680 return NGX_ERROR; |
7651
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
681 } |
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7650
diff
changeset
|
682 |
7672
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
7671
diff
changeset
|
683 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
|
684 } |
7637 | 685 |
686 | |
7691 | 687 static ngx_int_t |
688 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
689 { | |
690 u_char *end, *p; | |
691 ssize_t len; | |
692 ngx_uint_t ack_this, do_close; | |
693 ngx_quic_frame_t frame, *ack_frame; | |
694 ngx_quic_connection_t *qc; | |
695 | |
696 qc = c->quic; | |
697 | |
698 p = pkt->payload.data; | |
699 end = p + pkt->payload.len; | |
700 | |
701 ack_this = 0; | |
702 do_close = 0; | |
703 | |
704 while (p < end) { | |
705 | |
706 len = ngx_quic_parse_frame(p, end, &frame); | |
707 if (len < 0) { | |
708 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
709 "failed to parse frame type %xi", frame.type); | |
710 return NGX_ERROR; | |
711 } | |
712 | |
713 p += len; | |
714 | |
715 switch (frame.type) { | |
716 | |
717 case NGX_QUIC_FT_ACK: | |
718 | |
719 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
720 "ACK: { largest=%ui delay=%ui first=%ui count=%ui}", | |
721 frame.u.ack.largest, | |
722 frame.u.ack.delay, | |
723 frame.u.ack.first_range, | |
724 frame.u.ack.range_count); | |
725 | |
726 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
727 return NGX_ERROR; | |
728 } | |
729 | |
730 break; | |
731 | |
732 case NGX_QUIC_FT_CRYPTO: | |
733 | |
734 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
735 "quic CRYPTO frame length: %uL off:%uL pp:%p", | |
736 frame.u.crypto.len, frame.u.crypto.offset, | |
737 frame.u.crypto.data); | |
738 | |
739 ngx_quic_hexdump0(c->log, "CRYPTO frame contents", | |
740 frame.u.crypto.data, frame.u.crypto.len); | |
741 | |
742 | |
743 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
744 != NGX_OK) | |
745 { | |
746 return NGX_ERROR; | |
747 } | |
748 | |
749 ack_this = 1; | |
750 break; | |
751 | |
752 case NGX_QUIC_FT_PADDING: | |
753 break; | |
754 | |
755 case NGX_QUIC_FT_PING: | |
756 ack_this = 1; | |
757 break; | |
758 | |
759 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
760 ack_this = 1; | |
761 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
762 "NCID: { seq=%ui retire=%ui len=%ui}", | |
763 frame.u.ncid.seqnum, | |
764 frame.u.ncid.retire, | |
765 frame.u.ncid.len); | |
766 break; | |
767 | |
768 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
769 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
770 "CONN.CLOSE: { %s (0x%xi) type=0x%xi reason='%V'}", | |
771 ngx_quic_error_text(frame.u.close.error_code), | |
772 frame.u.close.error_code, | |
773 frame.u.close.frame_type, | |
774 &frame.u.close.reason); | |
775 | |
776 do_close = 1; | |
777 break; | |
778 | |
779 case NGX_QUIC_FT_STREAM0: | |
780 case NGX_QUIC_FT_STREAM1: | |
781 case NGX_QUIC_FT_STREAM2: | |
782 case NGX_QUIC_FT_STREAM3: | |
783 case NGX_QUIC_FT_STREAM4: | |
784 case NGX_QUIC_FT_STREAM5: | |
785 case NGX_QUIC_FT_STREAM6: | |
786 case NGX_QUIC_FT_STREAM7: | |
787 | |
788 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
789 "STREAM frame { 0x%xi id 0x%xi offset 0x%xi len 0x%xi bits:off=%d len=%d fin=%d }", | |
790 frame.type, | |
791 frame.u.stream.stream_id, | |
792 frame.u.stream.offset, | |
793 frame.u.stream.length, | |
794 frame.u.stream.off, | |
795 frame.u.stream.len, | |
796 frame.u.stream.fin); | |
797 | |
798 ngx_quic_hexdump0(c->log, "STREAM frame contents", | |
799 frame.u.stream.data, frame.u.stream.length); | |
800 | |
801 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
802 != NGX_OK) | |
803 { | |
804 return NGX_ERROR; | |
805 } | |
806 | |
807 ack_this = 1; | |
808 break; | |
809 | |
7697
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
810 case NGX_QUIC_FT_RESET_STREAM: |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
811 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
812 "RESET STREAM frame" |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
813 " { id 0x%xi error_code 0x%xi final_size 0x%xi }", |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
814 frame.u.reset_stream.id, |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
815 frame.u.reset_stream.error_code, |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
816 frame.u.reset_stream.final_size); |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
817 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
818 |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
819 case NGX_QUIC_FT_STOP_SENDING: |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
820 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
821 "STOP SENDING frame" |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
822 " { id 0x%xi error_code 0x%xi}", |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
823 frame.u.stop_sending.id, |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
824 frame.u.stop_sending.error_code); |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
825 break; |
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
7695
diff
changeset
|
826 |
7691 | 827 default: |
828 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
829 "unsupported frame type 0x%xd in packet", frame.type); | |
830 return NGX_ERROR; | |
831 } | |
832 } | |
833 | |
834 if (p != end) { | |
835 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
836 "trailing garbage in payload: %ui bytes", end - p); | |
837 return NGX_ERROR; | |
838 } | |
839 | |
840 if (do_close) { | |
841 // TODO: handle stream close | |
842 } | |
843 | |
844 if (ack_this == 0) { | |
845 /* do not ack packets with ACKs and PADDING */ | |
846 return NGX_OK; | |
847 } | |
848 | |
849 // packet processed, ACK it now if required | |
850 // TODO: if (ack_required) ... - currently just ack each packet | |
851 | |
852 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
853 if (ack_frame == NULL) { | |
854 return NGX_ERROR; | |
855 } | |
856 | |
857 ack_frame->level = pkt->level; | |
858 ack_frame->type = NGX_QUIC_FT_ACK; | |
859 ack_frame->u.ack.pn = pkt->pn; | |
860 | |
861 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
862 ngx_quic_queue_frame(qc, ack_frame); | |
863 | |
864 return ngx_quic_output(c); | |
865 } | |
866 | |
867 | |
868 static ngx_int_t | |
869 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
870 ngx_quic_ack_frame_t *f) | |
871 { | |
872 /* TODO: handle ACK here */ | |
873 return NGX_OK; | |
874 } | |
875 | |
876 | |
877 static ngx_int_t | |
878 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
879 ngx_quic_crypto_frame_t *f) | |
880 { | |
881 int sslerr; | |
882 ssize_t n; | |
883 ngx_ssl_conn_t *ssl_conn; | |
884 | |
885 if (f->offset != 0x0) { | |
886 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
887 "crypto frame with non-zero offset"); | |
888 // TODO: add support for crypto frames spanning packets | |
889 return NGX_ERROR; | |
890 } | |
891 | |
892 ssl_conn = c->ssl->connection; | |
893 | |
894 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
895 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
896 (int) SSL_quic_read_level(ssl_conn), | |
897 (int) SSL_quic_write_level(ssl_conn)); | |
898 | |
899 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
900 f->data, f->len)) | |
901 { | |
902 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
903 "SSL_provide_quic_data() failed"); | |
904 return NGX_ERROR; | |
905 } | |
906 | |
907 n = SSL_do_handshake(ssl_conn); | |
908 | |
909 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
910 | |
911 if (n == -1) { | |
912 sslerr = SSL_get_error(ssl_conn, n); | |
913 | |
914 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
915 sslerr); | |
916 | |
917 if (sslerr == SSL_ERROR_SSL) { | |
918 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
919 } | |
920 } | |
921 | |
922 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
923 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
924 | |
925 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
926 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
927 (int) SSL_quic_read_level(ssl_conn), | |
928 (int) SSL_quic_write_level(ssl_conn)); | |
929 | |
930 return NGX_OK; | |
931 } | |
932 | |
933 | |
934 static ngx_int_t | |
935 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
936 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
937 { | |
938 ngx_buf_t *b; | |
939 ngx_quic_connection_t *qc; | |
940 ngx_quic_stream_node_t *sn; | |
941 | |
942 qc = c->quic; | |
943 | |
944 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
945 | |
946 if (sn) { | |
947 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
948 b = sn->b; | |
949 | |
950 if ((size_t) (b->end - b->pos) < f->length) { | |
951 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
952 return NGX_ERROR; | |
953 } | |
954 | |
955 ngx_memcpy(b->pos, f->data, f->length); | |
956 b->pos += f->length; | |
957 | |
958 // TODO: notify | |
959 | |
960 return NGX_OK; | |
961 } | |
962 | |
963 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
964 | |
7695
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
965 sn = ngx_quic_create_stream(c, f->stream_id); |
7691 | 966 if (sn == NULL) { |
967 return NGX_ERROR; | |
968 } | |
969 | |
970 b = sn->b; | |
971 | |
972 ngx_memcpy(b->start, f->data, f->length); | |
973 b->last = b->start + f->length; | |
974 | |
975 qc->streams.handler(sn->c); | |
976 | |
977 return NGX_OK; | |
978 } | |
979 | |
980 | |
981 static void | |
982 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
983 { | |
984 ngx_quic_frame_t *f; | |
985 | |
986 if (qc->frames == NULL) { | |
987 qc->frames = frame; | |
988 return; | |
989 } | |
990 | |
991 for (f = qc->frames; f->next; f = f->next) { | |
992 if (f->next->level > frame->level) { | |
993 break; | |
994 } | |
995 } | |
996 | |
997 frame->next = f->next; | |
998 f->next = frame; | |
999 } | |
1000 | |
1001 | |
1002 static ngx_int_t | |
1003 ngx_quic_output(ngx_connection_t *c) | |
1004 { | |
1005 size_t len; | |
1006 ngx_uint_t lvl; | |
1007 ngx_quic_frame_t *f, *start; | |
1008 ngx_quic_connection_t *qc; | |
1009 | |
1010 qc = c->quic; | |
1011 | |
1012 if (qc->frames == NULL) { | |
1013 return NGX_OK; | |
1014 } | |
1015 | |
1016 lvl = qc->frames->level; | |
1017 start = qc->frames; | |
1018 f = start; | |
1019 | |
1020 do { | |
1021 len = 0; | |
1022 | |
1023 do { | |
1024 /* process same-level group of frames */ | |
1025 | |
1026 len += ngx_quic_frame_len(f);// TODO: handle overflow, max size | |
1027 | |
1028 f = f->next; | |
1029 } while (f && f->level == lvl); | |
1030 | |
1031 | |
1032 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
1033 return NGX_ERROR; | |
1034 } | |
1035 | |
1036 if (f == NULL) { | |
1037 break; | |
1038 } | |
1039 | |
1040 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
1041 start = f; | |
1042 | |
1043 } while (1); | |
1044 | |
1045 qc->frames = NULL; | |
1046 | |
1047 return NGX_OK; | |
1048 } | |
1049 | |
1050 | |
1051 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
1052 ngx_int_t | |
1053 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
1054 ngx_quic_frame_t *end, size_t total) | |
1055 { | |
1056 ssize_t len; | |
1057 u_char *p; | |
1058 ngx_str_t out; | |
1059 ngx_quic_frame_t *f; | |
1060 | |
1061 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1062 "sending frames %p...%p", start, end); | |
1063 | |
1064 p = ngx_pnalloc(c->pool, total); | |
1065 if (p == NULL) { | |
1066 return NGX_ERROR; | |
1067 } | |
1068 | |
1069 out.data = p; | |
1070 | |
1071 for (f = start; f != end; f = f->next) { | |
1072 | |
1073 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
1074 | |
1075 len = ngx_quic_create_frame(p, p + total, f); | |
1076 if (len == -1) { | |
1077 return NGX_ERROR; | |
1078 } | |
1079 | |
1080 p += len; | |
1081 } | |
1082 | |
1083 out.len = p - out.data; | |
1084 | |
1085 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1086 "packet ready: %ui bytes at level %d", | |
1087 out.len, start->level); | |
1088 | |
1089 // IOVEC/sendmsg_chain ? | |
1090 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
1091 return NGX_ERROR; | |
1092 } | |
1093 | |
1094 return NGX_OK; | |
1095 } | |
1096 | |
1097 | |
1098 static ngx_int_t | |
1099 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
1100 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
1101 { | |
1102 ngx_str_t res; | |
1103 ngx_quic_header_t pkt; | |
1104 | |
1105 pkt.log = c->log; | |
1106 | |
1107 static ngx_str_t initial_token = ngx_null_string; | |
1108 | |
1109 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
1110 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
1111 | |
1112 pkt.level = level; | |
1113 pkt.dcid = qc->dcid; | |
1114 pkt.scid = qc->scid; | |
1115 | |
1116 if (level == ssl_encryption_initial) { | |
1117 pkt.number = &qc->initial_pn; | |
1118 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
1119 pkt.secret = &qc->secrets.server.in; | |
1120 pkt.token = initial_token; | |
1121 | |
1122 } else if (level == ssl_encryption_handshake) { | |
1123 pkt.number = &qc->handshake_pn; | |
1124 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
1125 pkt.secret = &qc->secrets.server.hs; | |
1126 | |
1127 } else { | |
1128 pkt.number = &qc->appdata_pn; | |
1129 pkt.secret = &qc->secrets.server.ad; | |
1130 } | |
1131 | |
1132 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
1133 != NGX_OK) | |
1134 { | |
1135 return NGX_ERROR; | |
1136 } | |
1137 | |
1138 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
1139 | |
1140 c->send(c, res.data, res.len); // TODO: err handling | |
1141 | |
1142 (*pkt.number)++; | |
1143 | |
1144 return NGX_OK; | |
1145 } | |
1146 | |
1147 | |
1148 ngx_connection_t * | |
1149 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
1150 { | |
7695
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
1151 ngx_uint_t id; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
1152 ngx_quic_stream_t *qs; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
1153 ngx_quic_connection_t *qc; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
1154 ngx_quic_stream_node_t *sn; |
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
7691
diff
changeset
|
1155 |
cfc429911c0d
Implemented creation of server unidirectional streams.
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|
1156 qs = c->qs; |
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parents:
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diff
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|
1157 qc = qs->parent->quic; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1158 |
cfc429911c0d
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diff
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|
1159 /* |
cfc429911c0d
Implemented creation of server unidirectional streams.
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|
1160 * A stream ID is a 62-bit integer that is unique for all streams |
cfc429911c0d
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|
1161 * on a connection. |
cfc429911c0d
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|
1162 * |
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|
1163 * 0x3 | Server-Initiated, Unidirectional |
cfc429911c0d
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|
1164 */ |
cfc429911c0d
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|
1165 id = (qc->streams.id_counter << 2) | 0x3; |
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|
1166 |
cfc429911c0d
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1167 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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Implemented creation of server unidirectional streams.
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|
1168 "creating server uni stream #%ui id %ui", |
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diff
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|
1169 qc->streams.id_counter, id); |
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|
1170 |
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|
1171 qc->streams.id_counter++; |
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Implemented creation of server unidirectional streams.
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|
1172 |
cfc429911c0d
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|
1173 sn = ngx_quic_create_stream(qs->parent, id); |
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|
1174 if (sn == NULL) { |
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|
1175 return NULL; |
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diff
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|
1176 } |
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Implemented creation of server unidirectional streams.
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|
1177 |
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|
1178 return sn->c; |
7691 | 1179 } |
1180 | |
1181 | |
1182 static void | |
1183 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
1184 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
1185 { | |
1186 ngx_rbtree_node_t **p; | |
1187 ngx_quic_stream_node_t *qn, *qnt; | |
1188 | |
1189 for ( ;; ) { | |
1190 | |
1191 if (node->key < temp->key) { | |
1192 | |
1193 p = &temp->left; | |
1194 | |
1195 } else if (node->key > temp->key) { | |
1196 | |
1197 p = &temp->right; | |
1198 | |
1199 } else { /* node->key == temp->key */ | |
1200 | |
1201 qn = (ngx_quic_stream_node_t *) &node->color; | |
1202 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
1203 | |
1204 if (qn->c < qnt->c) { | |
1205 p = &temp->left; | |
1206 } else { | |
1207 p = &temp->right; | |
1208 } | |
1209 } | |
1210 | |
1211 if (*p == sentinel) { | |
1212 break; | |
1213 } | |
1214 | |
1215 temp = *p; | |
1216 } | |
1217 | |
1218 *p = node; | |
1219 node->parent = temp; | |
1220 node->left = sentinel; | |
1221 node->right = sentinel; | |
1222 ngx_rbt_red(node); | |
1223 } | |
1224 | |
1225 | |
1226 static ngx_quic_stream_node_t * | |
1227 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
1228 { | |
1229 ngx_rbtree_node_t *node, *sentinel; | |
1230 | |
1231 node = rbtree->root; | |
1232 sentinel = rbtree->sentinel; | |
1233 | |
1234 while (node != sentinel) { | |
1235 | |
1236 if (key == node->key) { | |
1237 return (ngx_quic_stream_node_t *) node; | |
1238 } | |
1239 | |
1240 node = (key < node->key) ? node->left : node->right; | |
1241 } | |
1242 | |
1243 return NULL; | |
1244 } | |
1245 | |
1246 | |
7695
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|
1247 static ngx_quic_stream_node_t * |
cfc429911c0d
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1248 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
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|
1249 { |
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1250 ngx_log_t *log; |
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1251 ngx_pool_t *pool; |
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1252 ngx_event_t *rev, *wev; |
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1253 ngx_quic_connection_t *qc; |
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1254 ngx_quic_stream_node_t *sn; |
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1255 |
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|
1256 qc = c->quic; |
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1257 |
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1258 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
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1259 if (sn == NULL) { |
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1260 return NULL; |
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|
1261 } |
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|
1262 |
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1263 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
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1264 if (sn->c == NULL) { |
cfc429911c0d
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1265 return NULL; |
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|
1266 } |
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|
1267 |
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|
1268 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
cfc429911c0d
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1269 if (pool == NULL) { |
cfc429911c0d
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1270 /* XXX free connection */ |
cfc429911c0d
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|
1271 // TODO: add pool cleanup handdler |
cfc429911c0d
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|
1272 return NULL; |
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|
1273 } |
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|
1274 |
cfc429911c0d
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|
1275 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
cfc429911c0d
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|
1276 if (log == NULL) { |
cfc429911c0d
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1277 /* XXX free pool and connection */ |
cfc429911c0d
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|
1278 return NULL; |
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diff
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|
1279 } |
cfc429911c0d
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|
1280 |
cfc429911c0d
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|
1281 *log = *c->log; |
cfc429911c0d
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|
1282 pool->log = log; |
cfc429911c0d
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diff
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|
1283 |
cfc429911c0d
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diff
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|
1284 sn->c->log = log; |
cfc429911c0d
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diff
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|
1285 sn->c->pool = pool; |
cfc429911c0d
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diff
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|
1286 |
cfc429911c0d
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diff
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|
1287 sn->c->listening = c->listening; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1288 sn->c->sockaddr = c->sockaddr; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1289 sn->c->local_sockaddr = c->local_sockaddr; |
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1290 |
cfc429911c0d
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diff
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|
1291 rev = sn->c->read; |
cfc429911c0d
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diff
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|
1292 wev = sn->c->write; |
cfc429911c0d
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|
1293 |
cfc429911c0d
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diff
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|
1294 rev->ready = 1; |
cfc429911c0d
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|
1295 |
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diff
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|
1296 rev->log = c->log; |
cfc429911c0d
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diff
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|
1297 wev->log = c->log; |
cfc429911c0d
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diff
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|
1298 |
cfc429911c0d
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|
1299 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
cfc429911c0d
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|
1300 |
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|
1301 sn->node.key =id; |
cfc429911c0d
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|
1302 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
cfc429911c0d
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|
1303 if (sn->b == NULL) { |
cfc429911c0d
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|
1304 return NULL; |
cfc429911c0d
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diff
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|
1305 } |
cfc429911c0d
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|
1306 |
cfc429911c0d
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|
1307 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
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|
1308 |
cfc429911c0d
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|
1309 sn->s.id = id; |
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|
1310 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
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1311 sn->s.parent = c; |
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|
1312 sn->c->qs = &sn->s; |
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|
1313 |
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|
1314 sn->c->recv = ngx_quic_stream_recv; |
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|
1315 sn->c->send = ngx_quic_stream_send; |
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|
1316 sn->c->send_chain = ngx_quic_stream_send_chain; |
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|
1317 |
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|
1318 return sn; |
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|
1319 } |
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|
1320 |
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|
1321 |
7691 | 1322 static ssize_t |
1323 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
1324 { | |
1325 ssize_t len; | |
1326 ngx_buf_t *b; | |
1327 ngx_quic_stream_t *qs; | |
1328 ngx_quic_connection_t *qc; | |
1329 ngx_quic_stream_node_t *sn; | |
1330 | |
1331 qs = c->qs; | |
1332 qc = qs->parent->quic; | |
1333 | |
1334 // XXX: get direct pointer from stream structure? | |
1335 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1336 | |
1337 if (sn == NULL) { | |
1338 return NGX_ERROR; | |
1339 } | |
1340 | |
1341 // XXX: how to return EOF? | |
1342 | |
1343 b = sn->b; | |
1344 | |
1345 if (b->last - b->pos == 0) { | |
1346 c->read->ready = 0; | |
1347 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1348 "quic recv() not ready"); | |
1349 return NGX_AGAIN; // ? | |
1350 } | |
1351 | |
1352 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
1353 | |
1354 ngx_memcpy(buf, b->pos, len); | |
1355 | |
1356 b->pos += len; | |
1357 | |
1358 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
1359 "quic recv: %z of %uz", len, size); | |
1360 | |
1361 return len; | |
1362 } | |
1363 | |
1364 | |
1365 static ssize_t | |
1366 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
1367 { | |
1368 u_char *p; | |
1369 ngx_connection_t *pc; | |
1370 ngx_quic_frame_t *frame; | |
1371 ngx_quic_stream_t *qs; | |
1372 ngx_quic_connection_t *qc; | |
1373 ngx_quic_stream_node_t *sn; | |
1374 | |
1375 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
1376 | |
1377 qs = c->qs; | |
1378 pc = qs->parent; | |
1379 qc = pc->quic; | |
1380 | |
1381 // XXX: get direct pointer from stream structure? | |
1382 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
1383 | |
1384 if (sn == NULL) { | |
1385 return NGX_ERROR; | |
1386 } | |
1387 | |
1388 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
1389 if (frame == NULL) { | |
1390 return 0; | |
1391 } | |
1392 | |
1393 p = ngx_pnalloc(pc->pool, size); | |
1394 if (p == NULL) { | |
1395 return 0; | |
1396 } | |
1397 | |
1398 ngx_memcpy(p, buf, size); | |
1399 | |
1400 frame->level = ssl_encryption_application; | |
1401 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
1402 frame->u.stream.off = 1; | |
1403 frame->u.stream.len = 1; | |
1404 frame->u.stream.fin = 0; | |
1405 | |
1406 frame->u.stream.type = frame->type; | |
1407 frame->u.stream.stream_id = qs->id; | |
1408 frame->u.stream.offset = c->sent; | |
1409 frame->u.stream.length = size; | |
1410 frame->u.stream.data = p; | |
1411 | |
1412 c->sent += size; | |
1413 | |
1414 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
1415 qs->id, size, frame->level); | |
1416 | |
1417 ngx_quic_queue_frame(qc, frame); | |
1418 | |
1419 return size; | |
1420 } | |
1421 | |
1422 | |
1423 static ngx_chain_t * | |
1424 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
1425 off_t limit) | |
1426 { | |
1427 size_t len; | |
1428 ssize_t n; | |
1429 ngx_buf_t *b; | |
1430 | |
1431 for ( /* void */; in; in = in->next) { | |
1432 b = in->buf; | |
1433 | |
1434 if (!ngx_buf_in_memory(b)) { | |
1435 continue; | |
1436 } | |
1437 | |
1438 if (ngx_buf_size(b) == 0) { | |
1439 continue; | |
1440 } | |
1441 | |
1442 len = b->last - b->pos; | |
1443 | |
1444 n = ngx_quic_stream_send(c, b->pos, len); | |
1445 | |
1446 if (n == NGX_ERROR) { | |
1447 return NGX_CHAIN_ERROR; | |
1448 } | |
1449 | |
1450 if (n == NGX_AGAIN) { | |
1451 return in; | |
1452 } | |
1453 | |
1454 if (n != (ssize_t) len) { | |
1455 b->pos += n; | |
1456 return in; | |
1457 } | |
1458 } | |
1459 | |
1460 return NULL; | |
1461 } |