Mercurial > hg > nginx
annotate src/event/ngx_event_quic.c @ 8247:e9891e8ee975 quic
Configurable transport parameters.
- integer parameters can be configured using the following directives:
quic_max_idle_timeout
quic_max_ack_delay
quic_max_packet_size
quic_initial_max_data
quic_initial_max_stream_data_bidi_local
quic_initial_max_stream_data_bidi_remote
quic_initial_max_stream_data_uni
quic_initial_max_streams_bidi
quic_initial_max_streams_uni
quic_ack_delay_exponent
quic_active_migration
quic_active_connection_id_limit
- only following parameters are actually sent:
active_connection_id_limit
initial_max_streams_uni
initial_max_streams_bidi
initial_max_stream_data_bidi_local
initial_max_stream_data_bidi_remote
initial_max_stream_data_uni
(other parameters are to be added into ngx_quic_create_transport_params()
function as needed, should be easy now)
- draft 24 and draft 27 are now supported
(at compile-time using quic_version macro)
| author | Vladimir Homutov <vl@nginx.com> |
|---|---|
| date | Fri, 20 Mar 2020 13:47:44 +0300 |
| parents | 0d9bc77ae30d |
| children | c217a907ce42 |
| rev | line source |
|---|---|
|
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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 |
| 8171 | 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 |
| 8225 | 12 typedef struct { |
| 13 ngx_rbtree_node_t node; | |
| 14 ngx_buf_t *b; | |
| 15 ngx_connection_t *c; | |
| 16 ngx_quic_stream_t s; | |
| 17 } ngx_quic_stream_node_t; | |
| 18 | |
| 19 | |
| 20 typedef struct { | |
| 21 ngx_rbtree_t tree; | |
| 22 ngx_rbtree_node_t sentinel; | |
| 23 ngx_msec_t timeout; | |
| 24 ngx_connection_handler_pt handler; | |
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25 |
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26 ngx_uint_t id_counter; |
| 8225 | 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 { |
| 8225 | 31 ngx_str_t scid; |
| 32 ngx_str_t dcid; | |
| 33 ngx_str_t token; | |
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34 |
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35 ngx_quic_tp_t tp; |
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36 |
| 8225 | 37 /* current packet numbers for each namespace */ |
| 38 ngx_uint_t initial_pn; | |
| 39 ngx_uint_t handshake_pn; | |
| 40 ngx_uint_t appdata_pn; | |
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41 |
| 8225 | 42 ngx_quic_secrets_t secrets; |
| 43 ngx_ssl_t *ssl; | |
| 44 ngx_quic_frame_t *frames; | |
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45 |
| 8225 | 46 ngx_quic_streams_t streams; |
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MAX_DATA frame parser/handler.
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47 ngx_uint_t max_data; |
| 8225 | 48 }; |
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49 |
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50 |
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51 #if BORINGSSL_API_VERSION >= 10 |
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52 static int ngx_quic_set_read_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 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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56 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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57 const uint8_t *secret, size_t secret_len); |
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58 #else |
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59 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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60 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
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61 const uint8_t *write_secret, size_t secret_len); |
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62 #endif |
| 8225 | 63 |
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64 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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65 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
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66 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
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67 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
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68 enum ssl_encryption_level_t level, uint8_t alert); |
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69 |
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70 |
| 8225 | 71 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
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72 ngx_quic_tp_t *tp, ngx_quic_header_t *pkt); |
| 8225 | 73 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); |
| 74 static void ngx_quic_handshake_handler(ngx_event_t *rev); | |
| 75 static void ngx_quic_close_connection(ngx_connection_t *c); | |
| 76 | |
| 77 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
| 78 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
| 79 ngx_quic_header_t *pkt); | |
| 80 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
| 81 ngx_quic_header_t *pkt); | |
| 82 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
| 83 ngx_quic_header_t *pkt); | |
| 84 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
| 85 ngx_quic_header_t *pkt); | |
| 86 | |
| 87 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
| 88 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
| 89 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
| 90 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
| 91 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 92 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *frame); | |
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93 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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94 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f); |
| 8225 | 95 |
| 96 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
| 97 ngx_quic_frame_t *frame); | |
| 98 | |
| 99 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
| 100 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 101 ngx_quic_frame_t *end, size_t total); | |
| 102 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
| 103 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
| 104 ngx_str_t *payload); | |
| 105 | |
| 106 | |
| 107 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 108 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
| 109 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
| 110 ngx_uint_t key); | |
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111 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
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112 ngx_uint_t id); |
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113 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, |
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114 size_t size); |
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115 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
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116 size_t size); |
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117 static void ngx_quic_stream_cleanup_handler(void *data); |
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118 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
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119 ngx_chain_t *in, off_t limit); |
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120 |
| 8225 | 121 |
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122 static SSL_QUIC_METHOD quic_method = { |
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123 #if BORINGSSL_API_VERSION >= 10 |
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124 ngx_quic_set_read_secret, |
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125 ngx_quic_set_write_secret, |
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126 #else |
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127 ngx_quic_set_encryption_secrets, |
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128 #endif |
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129 ngx_quic_add_handshake_data, |
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130 ngx_quic_flush_flight, |
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131 ngx_quic_send_alert, |
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132 }; |
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133 |
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134 |
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135 #if BORINGSSL_API_VERSION >= 10 |
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136 |
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137 static int |
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138 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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139 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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140 const uint8_t *rsecret, size_t secret_len) |
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141 { |
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142 ngx_connection_t *c; |
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143 |
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144 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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145 |
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146 ngx_quic_hexdump(c->log, "level:%d read secret", |
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147 rsecret, secret_len, level); |
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148 |
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149 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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150 rsecret, secret_len, |
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151 &c->quic->secrets.client); |
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152 } |
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153 |
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154 |
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155 static int |
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156 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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157 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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158 const uint8_t *wsecret, size_t secret_len) |
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159 { |
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160 ngx_connection_t *c; |
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161 |
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162 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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163 |
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164 ngx_quic_hexdump(c->log, "level:%d write secret", |
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165 wsecret, secret_len, level); |
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166 |
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167 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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168 wsecret, secret_len, |
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169 &c->quic->secrets.server); |
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170 } |
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171 |
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172 #else |
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173 |
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174 static int |
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175 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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176 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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177 const uint8_t *wsecret, size_t secret_len) |
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178 { |
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179 ngx_int_t rc; |
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180 ngx_connection_t *c; |
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181 |
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182 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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183 |
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184 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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185 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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186 |
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187 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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188 rsecret, secret_len, |
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189 &c->quic->secrets.client); |
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190 if (rc != 1) { |
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191 return rc; |
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192 } |
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193 |
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194 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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195 wsecret, secret_len, |
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196 &c->quic->secrets.server); |
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197 } |
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198 |
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199 #endif |
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200 |
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201 |
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202 static int |
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203 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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204 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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205 { |
| 8225 | 206 u_char *p; |
| 207 ngx_quic_frame_t *frame; | |
| 208 ngx_connection_t *c; | |
| 209 ngx_quic_connection_t *qc; | |
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210 |
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211 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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212 qc = c->quic; |
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213 |
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214 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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215 "ngx_quic_add_handshake_data"); |
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216 |
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217 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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218 if (frame == NULL) { |
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219 return 0; |
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220 } |
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221 |
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222 p = ngx_pnalloc(c->pool, len); |
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223 if (p == NULL) { |
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224 return 0; |
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225 } |
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226 |
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227 ngx_memcpy(p, data, len); |
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228 |
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229 frame->level = level; |
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230 frame->type = NGX_QUIC_FT_CRYPTO; |
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231 frame->u.crypto.len = len; |
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232 frame->u.crypto.data = p; |
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233 |
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234 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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235 |
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236 ngx_quic_queue_frame(qc, frame); |
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237 |
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238 return 1; |
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239 } |
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240 |
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241 |
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242 static int |
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243 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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244 { |
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245 ngx_connection_t *c; |
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246 |
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247 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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248 |
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249 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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250 |
|
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251 return 1; |
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252 } |
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253 |
|
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254 |
|
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255 static int |
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256 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
|
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257 uint8_t alert) |
|
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258 { |
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259 ngx_connection_t *c; |
|
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260 ngx_quic_frame_t *frame; |
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261 |
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262 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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263 |
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264 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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265 "ngx_quic_send_alert(), lvl=%d, alert=%d", |
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266 (int) level, (int) alert); |
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267 |
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268 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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269 if (frame == NULL) { |
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270 return 0; |
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271 } |
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272 |
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273 frame->level = level; |
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274 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE; |
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275 frame->u.close.error_code = 0x100 + alert; |
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276 |
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277 ngx_quic_queue_frame(c->quic, frame); |
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278 |
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279 if (ngx_quic_output(c) != NGX_OK) { |
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280 return 0; |
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281 } |
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282 |
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283 return 1; |
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284 } |
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285 |
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286 |
| 8225 | 287 void |
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288 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
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289 ngx_msec_t timeout, ngx_connection_handler_pt handler) |
| 8225 | 290 { |
| 291 ngx_buf_t *b; | |
| 292 ngx_quic_header_t pkt; | |
| 293 | |
| 294 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic handshake"); | |
| 295 | |
| 296 c->log->action = "QUIC handshaking"; | |
| 297 | |
| 298 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 299 | |
| 300 b = c->buffer; | |
| 301 | |
| 302 pkt.log = c->log; | |
| 303 pkt.raw = b; | |
| 304 pkt.data = b->start; | |
| 305 pkt.len = b->last - b->start; | |
| 306 | |
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307 if (ngx_quic_new_connection(c, ssl, tp, &pkt) != NGX_OK) { |
| 8225 | 308 ngx_quic_close_connection(c); |
| 309 return; | |
| 310 } | |
| 311 | |
| 312 // we don't need stream handler for initial packet processing | |
| 313 c->quic->streams.handler = handler; | |
| 314 c->quic->streams.timeout = timeout; | |
| 315 | |
| 316 ngx_add_timer(c->read, timeout); | |
| 317 | |
| 318 c->read->handler = ngx_quic_handshake_handler; | |
| 319 | |
| 320 return; | |
| 321 } | |
| 322 | |
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323 |
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324 static ngx_int_t |
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325 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
| 8225 | 326 ngx_quic_header_t *pkt) |
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327 { |
| 8225 | 328 ngx_quic_connection_t *qc; |
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329 |
| 8225 | 330 if (ngx_buf_size(pkt->raw) < 1200) { |
| 331 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
| 332 return NGX_ERROR; | |
| 333 } | |
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334 |
| 8225 | 335 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
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336 return NGX_ERROR; |
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337 } |
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338 |
| 8225 | 339 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_INITIAL) { |
| 340 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 341 "invalid initial packet: 0x%xi", pkt->flags); | |
| 342 return NGX_ERROR; | |
| 343 } | |
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344 |
| 8225 | 345 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 346 return NGX_ERROR; | |
| 347 } | |
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348 |
| 8225 | 349 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
| 350 if (qc == NULL) { | |
| 351 return NGX_ERROR; | |
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352 } |
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353 |
| 8225 | 354 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
| 355 ngx_quic_rbtree_insert_stream); | |
| 356 | |
| 357 c->quic = qc; | |
| 358 qc->ssl = ssl; | |
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359 qc->tp = *tp; |
| 8225 | 360 |
| 361 qc->dcid.len = pkt->dcid.len; | |
| 362 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
| 363 if (qc->dcid.data == NULL) { | |
| 364 return NGX_ERROR; | |
| 365 } | |
| 366 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
| 367 | |
| 368 qc->scid.len = pkt->scid.len; | |
| 369 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
| 370 if (qc->scid.data == NULL) { | |
| 371 return NGX_ERROR; | |
| 372 } | |
| 373 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
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374 |
| 8225 | 375 qc->token.len = pkt->token.len; |
| 376 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
| 377 if (qc->token.data == NULL) { | |
| 378 return NGX_ERROR; | |
| 379 } | |
| 380 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
| 381 | |
| 382 | |
| 383 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
| 384 != NGX_OK) | |
| 385 { | |
| 386 return NGX_ERROR; | |
| 387 } | |
|
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388 |
| 8225 | 389 pkt->secret = &qc->secrets.client.in; |
| 390 pkt->level = ssl_encryption_initial; | |
| 391 | |
| 392 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
| 393 return NGX_ERROR; | |
| 394 } | |
| 395 | |
| 396 if (ngx_quic_init_connection(c) != NGX_OK) { | |
| 397 return NGX_ERROR; | |
| 398 } | |
| 399 | |
| 400 return ngx_quic_payload_handler(c, pkt); | |
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401 } |
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402 |
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403 |
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|
404 static ngx_int_t |
|
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405 ngx_quic_init_connection(ngx_connection_t *c) |
|
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406 { |
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407 int n, sslerr; |
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408 u_char *p; |
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409 ssize_t len; |
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410 ngx_ssl_conn_t *ssl_conn; |
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|
411 ngx_quic_connection_t *qc; |
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412 |
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413 qc = c->quic; |
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414 |
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415 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
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416 return NGX_ERROR; |
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417 } |
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418 |
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419 ssl_conn = c->ssl->connection; |
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420 |
|
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421 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) { |
|
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422 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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423 "SSL_set_quic_method() failed"); |
|
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424 return NGX_ERROR; |
|
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|
425 } |
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426 |
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427 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp); |
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428 /* always succeeds */ |
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429 |
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430 p = ngx_pnalloc(c->pool, len); |
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431 if (p == NULL) { |
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432 return NGX_ERROR; |
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433 } |
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434 |
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435 len = ngx_quic_create_transport_params(p, p + len, &qc->tp); |
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436 if (len < 0) { |
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437 return NGX_ERROR; |
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|
438 } |
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439 |
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440 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) { |
|
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441 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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|
442 "SSL_set_quic_transport_params() failed"); |
|
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|
443 return NGX_ERROR; |
|
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|
444 } |
|
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|
445 |
|
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|
446 n = SSL_do_handshake(ssl_conn); |
|
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|
447 |
|
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diff
changeset
|
448 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
449 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
450 if (n == -1) { |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
451 sslerr = SSL_get_error(ssl_conn, n); |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
452 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
453 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
454 sslerr); |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
455 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
456 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
457 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
458 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
459 (int) SSL_quic_read_level(ssl_conn), |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
460 (int) SSL_quic_write_level(ssl_conn)); |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
461 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
462 return NGX_OK; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
463 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
464 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
465 |
| 8225 | 466 static void |
| 467 ngx_quic_handshake_handler(ngx_event_t *rev) | |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
468 { |
| 8225 | 469 ssize_t n; |
| 470 ngx_buf_t b; | |
| 471 ngx_connection_t *c; | |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
472 |
| 8225 | 473 u_char buf[512]; |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
474 |
| 8225 | 475 b.start = buf; |
| 476 b.end = buf + 512; | |
| 477 b.pos = b.last = b.start; | |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
478 |
| 8225 | 479 c = rev->data; |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
480 |
| 8225 | 481 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic handshake handler"); |
|
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
482 |
| 8225 | 483 if (rev->timedout) { |
| 484 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 485 ngx_quic_close_connection(c); | |
| 486 return; | |
|
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
487 } |
|
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
488 |
|
8246
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
8245
diff
changeset
|
489 ngx_add_timer(rev, c->quic->streams.timeout); |
|
0d9bc77ae30d
Reset QUIC timeout on every datagram.
Roman Arutyunyan <arut@nginx.com>
parents:
8245
diff
changeset
|
490 |
| 8225 | 491 if (c->close) { |
| 492 ngx_quic_close_connection(c); | |
| 493 return; | |
| 494 } | |
|
8220
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents:
8218
diff
changeset
|
495 |
| 8225 | 496 n = c->recv(c, b.start, b.end - b.start); |
| 8215 | 497 |
| 8225 | 498 if (n == NGX_AGAIN) { |
| 499 return; | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
500 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
501 |
| 8225 | 502 if (n == NGX_ERROR) { |
| 503 c->read->eof = 1; | |
| 504 ngx_quic_close_connection(c); | |
| 505 return; | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
506 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
507 |
| 8225 | 508 b.last += n; |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
509 |
| 8225 | 510 if (ngx_quic_input(c, &b) != NGX_OK) { |
| 511 ngx_quic_close_connection(c); | |
| 512 return; | |
| 513 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
514 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
515 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
516 |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
517 static void |
| 8225 | 518 ngx_quic_close_connection(ngx_connection_t *c) |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
519 { |
| 8225 | 520 ngx_pool_t *pool; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
521 |
| 8225 | 522 /* XXX wait for all streams to close */ |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
523 |
| 8225 | 524 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 525 "close quic connection: %d", c->fd); | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
526 |
| 8225 | 527 if (c->ssl) { |
| 528 (void) ngx_ssl_shutdown(c); | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
529 } |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
530 |
| 8225 | 531 #if (NGX_STAT_STUB) |
| 532 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
| 533 #endif | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
534 |
| 8225 | 535 c->destroyed = 1; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
536 |
| 8225 | 537 pool = c->pool; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
538 |
| 8225 | 539 ngx_close_connection(c); |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
540 |
| 8225 | 541 ngx_destroy_pool(pool); |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
542 } |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
543 |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
544 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
545 static ngx_int_t |
| 8225 | 546 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b) |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
547 { |
| 8225 | 548 u_char *p; |
| 549 ngx_int_t rc; | |
| 550 ngx_quic_header_t pkt; | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
551 |
| 8225 | 552 if (c->quic == NULL) { |
| 553 // XXX: possible? | |
| 554 ngx_log_error(NGX_LOG_INFO, c->log, 0, "BUG: no QUIC in connection"); | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
555 return NGX_ERROR; |
|
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
556 } |
|
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
557 |
| 8225 | 558 p = b->start; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
559 |
| 8225 | 560 do { |
| 561 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 562 pkt.raw = b; | |
| 563 pkt.data = p; | |
| 564 pkt.len = b->last - p; | |
| 565 pkt.log = c->log; | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
566 |
| 8225 | 567 if (p[0] == 0) { |
| 568 /* XXX: no idea WTF is this, just ignore */ | |
| 569 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
| 570 break; | |
| 571 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
572 |
| 8225 | 573 // TODO: check current state |
| 574 if (p[0] & NGX_QUIC_PKT_LONG) { | |
| 575 | |
| 576 if ((p[0] & 0xf0) == NGX_QUIC_PKT_INITIAL) { | |
| 577 rc = ngx_quic_initial_input(c, &pkt); | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
578 |
| 8225 | 579 } else if ((p[0] & 0xf0) == NGX_QUIC_PKT_HANDSHAKE) { |
| 580 rc = ngx_quic_handshake_input(c, &pkt); | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
581 |
| 8225 | 582 } else { |
| 583 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 584 "BUG: unknown quic state"); | |
| 585 return NGX_ERROR; | |
| 586 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
587 |
| 8225 | 588 } else { |
| 589 rc = ngx_quic_app_input(c, &pkt); | |
| 590 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
591 |
| 8225 | 592 if (rc == NGX_ERROR) { |
| 593 return NGX_ERROR; | |
| 594 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
595 |
| 8225 | 596 /* b->pos is at header end, adjust by actual packet length */ |
| 597 p = b->pos + pkt.len; | |
| 598 b->pos = p; /* reset b->pos to the next packet start */ | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
599 |
| 8225 | 600 } while (p < b->last); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
601 |
| 8225 | 602 return NGX_OK; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
603 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
604 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
605 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
606 static ngx_int_t |
| 8223 | 607 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
| 608 { | |
| 609 ngx_ssl_conn_t *ssl_conn; | |
| 610 ngx_quic_connection_t *qc; | |
| 611 | |
| 612 qc = c->quic; | |
| 613 ssl_conn = c->ssl->connection; | |
| 614 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
615 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
| 8223 | 616 return NGX_ERROR; |
| 617 } | |
| 618 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
619 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 8223 | 620 return NGX_ERROR; |
| 621 } | |
| 622 | |
| 623 pkt->secret = &qc->secrets.client.in; | |
| 624 pkt->level = ssl_encryption_initial; | |
| 625 | |
| 626 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
| 627 return NGX_ERROR; | |
| 628 } | |
| 629 | |
| 630 return ngx_quic_payload_handler(c, pkt); | |
| 631 } | |
| 632 | |
| 633 | |
| 634 static ngx_int_t | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
635 ngx_quic_handshake_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
636 { |
|
8188
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8187
diff
changeset
|
637 ngx_ssl_conn_t *ssl_conn; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
638 ngx_quic_connection_t *qc; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
639 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
640 qc = c->quic; |
|
8188
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8187
diff
changeset
|
641 ssl_conn = c->ssl->connection; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
642 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
643 /* extract cleartext data into pkt */ |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
644 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
645 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
646 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
647 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
648 if (pkt->dcid.len != qc->dcid.len) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
649 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic dcidl"); |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
650 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
651 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
652 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
653 if (ngx_memcmp(pkt->dcid.data, qc->dcid.data, qc->dcid.len) != 0) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
654 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic dcid"); |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
655 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
656 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
657 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
658 if (pkt->scid.len != qc->scid.len) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
659 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic scidl"); |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
660 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
661 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
662 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
663 if (ngx_memcmp(pkt->scid.data, qc->scid.data, qc->scid.len) != 0) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
664 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unexpected quic scid"); |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
665 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
666 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
667 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
668 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_HANDSHAKE) { |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
669 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
670 "invalid packet type: 0x%xi", pkt->flags); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
671 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
672 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
673 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
674 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
675 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
676 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
677 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
678 pkt->secret = &qc->secrets.client.hs; |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
679 pkt->level = ssl_encryption_handshake; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
680 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
681 if (ngx_quic_decrypt(c->pool, c->ssl->connection, pkt) != NGX_OK) { |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
682 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
683 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
684 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
685 return ngx_quic_payload_handler(c, pkt); |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
686 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
687 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
688 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
689 static ngx_int_t |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
690 ngx_quic_app_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
691 { |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
692 ngx_quic_connection_t *qc; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
693 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
694 qc = c->quic; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
695 |
| 8223 | 696 if (qc->secrets.client.ad.key.len == 0) { |
| 697 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 698 "no read keys yet, packet ignored"); | |
| 699 return NGX_DECLINED; | |
| 700 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
701 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
702 if (ngx_quic_parse_short_header(pkt, &qc->dcid) != NGX_OK) { |
|
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
703 return NGX_ERROR; |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
704 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
705 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
706 pkt->secret = &qc->secrets.client.ad; |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
707 pkt->level = ssl_encryption_application; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
708 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
709 if (ngx_quic_decrypt(c->pool, c->ssl->connection, pkt) != NGX_OK) { |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
710 return NGX_ERROR; |
|
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
711 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
712 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
713 return ngx_quic_payload_handler(c, pkt); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
714 } |
| 8171 | 715 |
| 716 | |
| 8225 | 717 static ngx_int_t |
| 718 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
| 719 { | |
| 720 u_char *end, *p; | |
| 721 ssize_t len; | |
| 722 ngx_uint_t ack_this, do_close; | |
| 723 ngx_quic_frame_t frame, *ack_frame; | |
| 724 ngx_quic_connection_t *qc; | |
| 725 | |
| 726 qc = c->quic; | |
| 727 | |
| 728 p = pkt->payload.data; | |
| 729 end = p + pkt->payload.len; | |
| 730 | |
| 731 ack_this = 0; | |
| 732 do_close = 0; | |
| 733 | |
| 734 while (p < end) { | |
| 735 | |
|
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
736 len = ngx_quic_parse_frame(pkt, p, end, &frame); |
| 8225 | 737 if (len < 0) { |
| 738 return NGX_ERROR; | |
| 739 } | |
| 740 | |
| 741 p += len; | |
| 742 | |
| 743 switch (frame.type) { | |
| 744 | |
| 745 case NGX_QUIC_FT_ACK: | |
| 746 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
| 747 return NGX_ERROR; | |
| 748 } | |
| 749 | |
| 750 break; | |
| 751 | |
| 752 case NGX_QUIC_FT_CRYPTO: | |
| 753 | |
| 754 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
| 755 != NGX_OK) | |
| 756 { | |
| 757 return NGX_ERROR; | |
| 758 } | |
| 759 | |
| 760 ack_this = 1; | |
| 761 break; | |
| 762 | |
| 763 case NGX_QUIC_FT_PADDING: | |
| 764 break; | |
| 765 | |
| 766 case NGX_QUIC_FT_PING: | |
| 767 ack_this = 1; | |
| 768 break; | |
| 769 | |
| 770 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
| 771 ack_this = 1; | |
| 772 break; | |
| 773 | |
| 774 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
| 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 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
| 789 != NGX_OK) | |
| 790 { | |
| 791 return NGX_ERROR; | |
| 792 } | |
| 793 | |
| 794 ack_this = 1; | |
| 795 break; | |
| 796 | |
|
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
797 case NGX_QUIC_FT_MAX_DATA: |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
798 c->quic->max_data = frame.u.max_data.max_data; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
799 ack_this = 1; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
800 break; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
801 |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
802 case NGX_QUIC_FT_RESET_STREAM: |
|
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
803 /* TODO: handle */ |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
804 break; |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
805 |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
806 case NGX_QUIC_FT_STOP_SENDING: |
|
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
807 /* TODO: handle; need ack ? */ |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
808 break; |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
809 |
|
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
810 case NGX_QUIC_FT_STREAMS_BLOCKED: |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
811 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
|
8245
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
812 |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
813 if (ngx_quic_handle_streams_blocked_frame(c, pkt, |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
814 &frame.u.streams_blocked) |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
815 != NGX_OK) |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
816 { |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
817 return NGX_ERROR; |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
818 } |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
819 |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
820 ack_this = 1; |
|
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
821 break; |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
822 |
| 8225 | 823 default: |
| 824 return NGX_ERROR; | |
| 825 } | |
| 826 } | |
| 827 | |
| 828 if (p != end) { | |
| 829 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 830 "trailing garbage in payload: %ui bytes", end - p); | |
| 831 return NGX_ERROR; | |
| 832 } | |
| 833 | |
| 834 if (do_close) { | |
| 835 // TODO: handle stream close | |
| 836 } | |
| 837 | |
| 838 if (ack_this == 0) { | |
| 839 /* do not ack packets with ACKs and PADDING */ | |
| 840 return NGX_OK; | |
| 841 } | |
| 842 | |
| 843 // packet processed, ACK it now if required | |
| 844 // TODO: if (ack_required) ... - currently just ack each packet | |
| 845 | |
| 846 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
| 847 if (ack_frame == NULL) { | |
| 848 return NGX_ERROR; | |
| 849 } | |
| 850 | |
| 851 ack_frame->level = pkt->level; | |
| 852 ack_frame->type = NGX_QUIC_FT_ACK; | |
| 853 ack_frame->u.ack.pn = pkt->pn; | |
| 854 | |
| 855 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
| 856 ngx_quic_queue_frame(qc, ack_frame); | |
| 857 | |
| 858 return ngx_quic_output(c); | |
| 859 } | |
| 860 | |
| 861 | |
| 862 static ngx_int_t | |
| 863 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 864 ngx_quic_ack_frame_t *f) | |
| 865 { | |
| 866 /* TODO: handle ACK here */ | |
| 867 return NGX_OK; | |
| 868 } | |
| 869 | |
| 870 | |
| 871 static ngx_int_t | |
| 872 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 873 ngx_quic_crypto_frame_t *f) | |
| 874 { | |
| 875 int sslerr; | |
| 876 ssize_t n; | |
| 877 ngx_ssl_conn_t *ssl_conn; | |
| 878 | |
| 879 if (f->offset != 0x0) { | |
| 880 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 881 "crypto frame with non-zero offset"); | |
| 882 // TODO: add support for crypto frames spanning packets | |
| 883 return NGX_ERROR; | |
| 884 } | |
| 885 | |
| 886 ssl_conn = c->ssl->connection; | |
| 887 | |
| 888 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 889 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 890 (int) SSL_quic_read_level(ssl_conn), | |
| 891 (int) SSL_quic_write_level(ssl_conn)); | |
| 892 | |
| 893 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
| 894 f->data, f->len)) | |
| 895 { | |
| 896 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
| 897 "SSL_provide_quic_data() failed"); | |
| 898 return NGX_ERROR; | |
| 899 } | |
| 900 | |
| 901 n = SSL_do_handshake(ssl_conn); | |
| 902 | |
| 903 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
| 904 | |
| 905 if (n == -1) { | |
| 906 sslerr = SSL_get_error(ssl_conn, n); | |
| 907 | |
| 908 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
| 909 sslerr); | |
| 910 | |
| 911 if (sslerr == SSL_ERROR_SSL) { | |
| 912 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
| 913 } | |
| 914 } | |
| 915 | |
| 916 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 917 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
| 918 | |
| 919 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 920 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 921 (int) SSL_quic_read_level(ssl_conn), | |
| 922 (int) SSL_quic_write_level(ssl_conn)); | |
| 923 | |
| 924 return NGX_OK; | |
| 925 } | |
| 926 | |
| 927 | |
| 928 static ngx_int_t | |
| 929 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 930 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
| 931 { | |
| 932 ngx_buf_t *b; | |
| 933 ngx_quic_connection_t *qc; | |
| 934 ngx_quic_stream_node_t *sn; | |
| 935 | |
| 936 qc = c->quic; | |
| 937 | |
| 938 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
| 939 | |
| 940 if (sn) { | |
| 941 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
| 942 b = sn->b; | |
| 943 | |
| 944 if ((size_t) (b->end - b->pos) < f->length) { | |
| 945 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
| 946 return NGX_ERROR; | |
| 947 } | |
| 948 | |
| 949 ngx_memcpy(b->pos, f->data, f->length); | |
| 950 b->pos += f->length; | |
| 951 | |
| 952 // TODO: notify | |
| 953 | |
| 954 return NGX_OK; | |
| 955 } | |
| 956 | |
| 957 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
| 958 | |
|
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959 sn = ngx_quic_create_stream(c, f->stream_id); |
| 8225 | 960 if (sn == NULL) { |
| 961 return NGX_ERROR; | |
| 962 } | |
| 963 | |
| 964 b = sn->b; | |
| 965 | |
| 966 ngx_memcpy(b->start, f->data, f->length); | |
| 967 b->last = b->start + f->length; | |
| 968 | |
| 969 qc->streams.handler(sn->c); | |
| 970 | |
| 971 return NGX_OK; | |
| 972 } | |
| 973 | |
| 974 | |
|
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975 static ngx_int_t |
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976 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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977 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f) |
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978 { |
|
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979 ngx_quic_frame_t *frame; |
|
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980 |
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981 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
|
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982 if (frame == NULL) { |
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983 return NGX_ERROR; |
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984 } |
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985 |
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986 frame->level = pkt->level; |
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987 frame->type = NGX_QUIC_FT_MAX_STREAMS; |
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988 frame->u.max_streams.limit = f->limit * 2; |
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989 frame->u.max_streams.bidi = f->bidi; |
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|
990 |
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991 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d", |
|
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992 (int) frame->u.max_streams.limit, |
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993 (int) frame->u.max_streams.bidi, |
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994 frame->level); |
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|
995 |
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996 ngx_quic_queue_frame(c->quic, frame); |
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997 |
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998 return NGX_OK; |
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999 } |
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1000 |
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|
1001 |
| 8225 | 1002 static void |
| 1003 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
| 1004 { | |
| 1005 ngx_quic_frame_t *f; | |
| 1006 | |
| 1007 if (qc->frames == NULL) { | |
| 1008 qc->frames = frame; | |
| 1009 return; | |
| 1010 } | |
| 1011 | |
| 1012 for (f = qc->frames; f->next; f = f->next) { | |
| 1013 if (f->next->level > frame->level) { | |
| 1014 break; | |
| 1015 } | |
| 1016 } | |
| 1017 | |
| 1018 frame->next = f->next; | |
| 1019 f->next = frame; | |
| 1020 } | |
| 1021 | |
| 1022 | |
| 1023 static ngx_int_t | |
| 1024 ngx_quic_output(ngx_connection_t *c) | |
| 1025 { | |
| 1026 size_t len; | |
| 1027 ngx_uint_t lvl; | |
| 1028 ngx_quic_frame_t *f, *start; | |
| 1029 ngx_quic_connection_t *qc; | |
| 1030 | |
| 1031 qc = c->quic; | |
| 1032 | |
| 1033 if (qc->frames == NULL) { | |
| 1034 return NGX_OK; | |
| 1035 } | |
| 1036 | |
| 1037 lvl = qc->frames->level; | |
| 1038 start = qc->frames; | |
| 1039 f = start; | |
| 1040 | |
| 1041 do { | |
| 1042 len = 0; | |
| 1043 | |
| 1044 do { | |
| 1045 /* process same-level group of frames */ | |
| 1046 | |
|
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|
1047 len += ngx_quic_create_frame(NULL, NULL, f);// TODO: handle overflow, max size |
| 8225 | 1048 |
| 1049 f = f->next; | |
| 1050 } while (f && f->level == lvl); | |
| 1051 | |
| 1052 | |
| 1053 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
| 1054 return NGX_ERROR; | |
| 1055 } | |
| 1056 | |
| 1057 if (f == NULL) { | |
| 1058 break; | |
| 1059 } | |
| 1060 | |
| 1061 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
| 1062 start = f; | |
| 1063 | |
| 1064 } while (1); | |
| 1065 | |
| 1066 qc->frames = NULL; | |
| 1067 | |
| 1068 return NGX_OK; | |
| 1069 } | |
| 1070 | |
| 1071 | |
| 1072 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
| 1073 ngx_int_t | |
| 1074 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 1075 ngx_quic_frame_t *end, size_t total) | |
| 1076 { | |
| 1077 ssize_t len; | |
| 1078 u_char *p; | |
| 1079 ngx_str_t out; | |
| 1080 ngx_quic_frame_t *f; | |
| 1081 | |
| 1082 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1083 "sending frames %p...%p", start, end); | |
| 1084 | |
| 1085 p = ngx_pnalloc(c->pool, total); | |
| 1086 if (p == NULL) { | |
| 1087 return NGX_ERROR; | |
| 1088 } | |
| 1089 | |
| 1090 out.data = p; | |
| 1091 | |
| 1092 for (f = start; f != end; f = f->next) { | |
| 1093 | |
| 1094 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
| 1095 | |
| 1096 len = ngx_quic_create_frame(p, p + total, f); | |
| 1097 if (len == -1) { | |
| 1098 return NGX_ERROR; | |
| 1099 } | |
| 1100 | |
| 1101 p += len; | |
| 1102 } | |
| 1103 | |
| 1104 out.len = p - out.data; | |
| 1105 | |
| 1106 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1107 "packet ready: %ui bytes at level %d", | |
| 1108 out.len, start->level); | |
| 1109 | |
| 1110 // IOVEC/sendmsg_chain ? | |
| 1111 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
| 1112 return NGX_ERROR; | |
| 1113 } | |
| 1114 | |
| 1115 return NGX_OK; | |
| 1116 } | |
| 1117 | |
| 1118 | |
| 1119 static ngx_int_t | |
| 1120 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
| 1121 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
| 1122 { | |
| 1123 ngx_str_t res; | |
| 1124 ngx_quic_header_t pkt; | |
| 1125 | |
| 1126 pkt.log = c->log; | |
| 1127 | |
| 1128 static ngx_str_t initial_token = ngx_null_string; | |
| 1129 | |
| 1130 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 1131 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
| 1132 | |
| 1133 pkt.level = level; | |
| 1134 pkt.dcid = qc->dcid; | |
| 1135 pkt.scid = qc->scid; | |
| 1136 | |
| 1137 if (level == ssl_encryption_initial) { | |
| 1138 pkt.number = &qc->initial_pn; | |
| 1139 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
| 1140 pkt.secret = &qc->secrets.server.in; | |
| 1141 pkt.token = initial_token; | |
| 1142 | |
| 1143 } else if (level == ssl_encryption_handshake) { | |
| 1144 pkt.number = &qc->handshake_pn; | |
| 1145 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
| 1146 pkt.secret = &qc->secrets.server.hs; | |
| 1147 | |
| 1148 } else { | |
| 1149 pkt.number = &qc->appdata_pn; | |
| 1150 pkt.secret = &qc->secrets.server.ad; | |
| 1151 } | |
| 1152 | |
| 1153 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
| 1154 != NGX_OK) | |
| 1155 { | |
| 1156 return NGX_ERROR; | |
| 1157 } | |
| 1158 | |
| 1159 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
| 1160 | |
| 1161 c->send(c, res.data, res.len); // TODO: err handling | |
| 1162 | |
| 1163 (*pkt.number)++; | |
| 1164 | |
| 1165 return NGX_OK; | |
| 1166 } | |
| 1167 | |
| 1168 | |
| 1169 ngx_connection_t * | |
| 1170 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
| 1171 { | |
|
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1172 ngx_uint_t id; |
|
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1173 ngx_quic_stream_t *qs; |
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1174 ngx_quic_connection_t *qc; |
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1175 ngx_quic_stream_node_t *sn; |
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1176 |
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1177 qs = c->qs; |
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1178 qc = qs->parent->quic; |
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1179 |
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|
1180 /* |
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1181 * A stream ID is a 62-bit integer that is unique for all streams |
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1182 * on a connection. |
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1183 * |
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1184 * 0x3 | Server-Initiated, Unidirectional |
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1185 */ |
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1186 id = (qc->streams.id_counter << 2) | 0x3; |
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1187 |
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1188 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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1189 "creating server uni stream #%ui id %ui", |
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1190 qc->streams.id_counter, id); |
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1191 |
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1192 qc->streams.id_counter++; |
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1193 |
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1194 sn = ngx_quic_create_stream(qs->parent, id); |
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1195 if (sn == NULL) { |
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8225
diff
changeset
|
1196 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1197 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1198 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1199 return sn->c; |
| 8225 | 1200 } |
| 1201 | |
| 1202 | |
| 1203 static void | |
| 1204 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 1205 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
| 1206 { | |
| 1207 ngx_rbtree_node_t **p; | |
| 1208 ngx_quic_stream_node_t *qn, *qnt; | |
| 1209 | |
| 1210 for ( ;; ) { | |
| 1211 | |
| 1212 if (node->key < temp->key) { | |
| 1213 | |
| 1214 p = &temp->left; | |
| 1215 | |
| 1216 } else if (node->key > temp->key) { | |
| 1217 | |
| 1218 p = &temp->right; | |
| 1219 | |
| 1220 } else { /* node->key == temp->key */ | |
| 1221 | |
| 1222 qn = (ngx_quic_stream_node_t *) &node->color; | |
| 1223 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
| 1224 | |
| 1225 if (qn->c < qnt->c) { | |
| 1226 p = &temp->left; | |
| 1227 } else { | |
| 1228 p = &temp->right; | |
| 1229 } | |
| 1230 } | |
| 1231 | |
| 1232 if (*p == sentinel) { | |
| 1233 break; | |
| 1234 } | |
| 1235 | |
| 1236 temp = *p; | |
| 1237 } | |
| 1238 | |
| 1239 *p = node; | |
| 1240 node->parent = temp; | |
| 1241 node->left = sentinel; | |
| 1242 node->right = sentinel; | |
| 1243 ngx_rbt_red(node); | |
| 1244 } | |
| 1245 | |
| 1246 | |
| 1247 static ngx_quic_stream_node_t * | |
| 1248 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
| 1249 { | |
| 1250 ngx_rbtree_node_t *node, *sentinel; | |
| 1251 | |
| 1252 node = rbtree->root; | |
| 1253 sentinel = rbtree->sentinel; | |
| 1254 | |
| 1255 while (node != sentinel) { | |
| 1256 | |
| 1257 if (key == node->key) { | |
| 1258 return (ngx_quic_stream_node_t *) node; | |
| 1259 } | |
| 1260 | |
| 1261 node = (key < node->key) ? node->left : node->right; | |
| 1262 } | |
| 1263 | |
| 1264 return NULL; | |
| 1265 } | |
| 1266 | |
| 1267 | |
|
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
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|
1268 static ngx_quic_stream_node_t * |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1269 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1270 { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1271 ngx_log_t *log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1272 ngx_pool_t *pool; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1273 ngx_event_t *rev, *wev; |
|
8239
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1274 ngx_pool_cleanup_t *cln; |
|
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1275 ngx_quic_connection_t *qc; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1276 ngx_quic_stream_node_t *sn; |
|
cfc429911c0d
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parents:
8225
diff
changeset
|
1277 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
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diff
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|
1278 qc = c->quic; |
|
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Implemented creation of server unidirectional streams.
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parents:
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diff
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|
1279 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
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diff
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|
1280 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
|
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parents:
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diff
changeset
|
1281 if (sn == NULL) { |
|
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parents:
8225
diff
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|
1282 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1283 } |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1284 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1285 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
|
cfc429911c0d
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parents:
8225
diff
changeset
|
1286 if (sn->c == NULL) { |
|
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1287 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1288 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1289 |
|
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1290 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1291 if (pool == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1292 /* XXX free connection */ |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1293 // TODO: add pool cleanup handdler |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
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|
1294 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1295 } |
|
cfc429911c0d
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parents:
8225
diff
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|
1296 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1297 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1298 if (log == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1299 /* XXX free pool and connection */ |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1300 return NULL; |
|
cfc429911c0d
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8225
diff
changeset
|
1301 } |
|
cfc429911c0d
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8225
diff
changeset
|
1302 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1303 *log = *c->log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1304 pool->log = log; |
|
cfc429911c0d
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8225
diff
changeset
|
1305 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1306 sn->c->log = log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1307 sn->c->pool = pool; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1308 |
|
cfc429911c0d
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8225
diff
changeset
|
1309 sn->c->listening = c->listening; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1310 sn->c->sockaddr = c->sockaddr; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1311 sn->c->local_sockaddr = c->local_sockaddr; |
|
8234
19bb9edcd8bd
Added copying addr_text to QUIC stream connections.
Roman Arutyunyan <arut@nginx.com>
parents:
8232
diff
changeset
|
1312 sn->c->addr_text = c->addr_text; |
|
8229
cfc429911c0d
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8225
diff
changeset
|
1313 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1314 rev = sn->c->read; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1315 wev = sn->c->write; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1316 |
|
cfc429911c0d
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parents:
8225
diff
changeset
|
1317 rev->ready = 1; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1318 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1319 rev->log = c->log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1320 wev->log = c->log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1321 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1322 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1323 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1324 sn->node.key =id; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1325 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1326 if (sn->b == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1327 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1328 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1329 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1330 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1331 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1332 sn->s.id = id; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1333 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1334 sn->s.parent = c; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1335 sn->c->qs = &sn->s; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1336 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1337 sn->c->recv = ngx_quic_stream_recv; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1338 sn->c->send = ngx_quic_stream_send; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1339 sn->c->send_chain = ngx_quic_stream_send_chain; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1340 |
|
8239
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1341 cln = ngx_pool_cleanup_add(pool, 0); |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1342 if (cln == NULL) { |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1343 ngx_close_connection(sn->c); |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1344 ngx_destroy_pool(pool); |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
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diff
changeset
|
1345 return NULL; |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1346 } |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1347 |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1348 cln->handler = ngx_quic_stream_cleanup_handler; |
|
5ad7bffd3850
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Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1349 cln->data = sn->c; |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1350 |
|
8229
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parents:
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diff
changeset
|
1351 return sn; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1352 } |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1353 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1354 |
| 8225 | 1355 static ssize_t |
| 1356 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1357 { | |
| 1358 ssize_t len; | |
| 1359 ngx_buf_t *b; | |
| 1360 ngx_quic_stream_t *qs; | |
| 1361 ngx_quic_connection_t *qc; | |
| 1362 ngx_quic_stream_node_t *sn; | |
| 1363 | |
| 1364 qs = c->qs; | |
| 1365 qc = qs->parent->quic; | |
| 1366 | |
| 1367 // XXX: get direct pointer from stream structure? | |
| 1368 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1369 | |
| 1370 if (sn == NULL) { | |
| 1371 return NGX_ERROR; | |
| 1372 } | |
| 1373 | |
| 1374 // XXX: how to return EOF? | |
| 1375 | |
| 1376 b = sn->b; | |
| 1377 | |
| 1378 if (b->last - b->pos == 0) { | |
| 1379 c->read->ready = 0; | |
| 1380 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1381 "quic recv() not ready"); | |
| 1382 return NGX_AGAIN; // ? | |
| 1383 } | |
| 1384 | |
| 1385 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
| 1386 | |
| 1387 ngx_memcpy(buf, b->pos, len); | |
| 1388 | |
| 1389 b->pos += len; | |
| 1390 | |
| 1391 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1392 "quic recv: %z of %uz", len, size); | |
| 1393 | |
| 1394 return len; | |
| 1395 } | |
| 1396 | |
| 1397 | |
| 1398 static ssize_t | |
| 1399 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1400 { | |
| 1401 u_char *p; | |
| 1402 ngx_connection_t *pc; | |
| 1403 ngx_quic_frame_t *frame; | |
| 1404 ngx_quic_stream_t *qs; | |
| 1405 ngx_quic_connection_t *qc; | |
| 1406 ngx_quic_stream_node_t *sn; | |
| 1407 | |
| 1408 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
| 1409 | |
| 1410 qs = c->qs; | |
| 1411 pc = qs->parent; | |
| 1412 qc = pc->quic; | |
| 1413 | |
| 1414 // XXX: get direct pointer from stream structure? | |
| 1415 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1416 | |
| 1417 if (sn == NULL) { | |
| 1418 return NGX_ERROR; | |
| 1419 } | |
| 1420 | |
| 1421 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
| 1422 if (frame == NULL) { | |
| 1423 return 0; | |
| 1424 } | |
| 1425 | |
| 1426 p = ngx_pnalloc(pc->pool, size); | |
| 1427 if (p == NULL) { | |
| 1428 return 0; | |
| 1429 } | |
| 1430 | |
| 1431 ngx_memcpy(p, buf, size); | |
| 1432 | |
| 1433 frame->level = ssl_encryption_application; | |
| 1434 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
| 1435 frame->u.stream.off = 1; | |
| 1436 frame->u.stream.len = 1; | |
| 1437 frame->u.stream.fin = 0; | |
| 1438 | |
| 1439 frame->u.stream.type = frame->type; | |
| 1440 frame->u.stream.stream_id = qs->id; | |
| 1441 frame->u.stream.offset = c->sent; | |
| 1442 frame->u.stream.length = size; | |
| 1443 frame->u.stream.data = p; | |
| 1444 | |
| 1445 c->sent += size; | |
| 1446 | |
| 1447 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
| 1448 qs->id, size, frame->level); | |
| 1449 | |
| 1450 ngx_quic_queue_frame(qc, frame); | |
| 1451 | |
| 1452 return size; | |
| 1453 } | |
| 1454 | |
| 1455 | |
|
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1456 static void |
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1457 ngx_quic_stream_cleanup_handler(void *data) |
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1458 { |
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1459 ngx_connection_t *c = data; |
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1460 |
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1461 ngx_connection_t *pc; |
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1462 ngx_quic_frame_t *frame; |
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1463 ngx_quic_stream_t *qs; |
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1464 ngx_quic_connection_t *qc; |
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1465 ngx_quic_stream_node_t *sn; |
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1466 |
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1467 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send fin"); |
|
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1468 |
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1469 qs = c->qs; |
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1470 pc = qs->parent; |
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1471 qc = pc->quic; |
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1472 |
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1473 if ((qs->id & 0x03) == 0x02) { |
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1474 /* do not send fin for client unidirectional streams */ |
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1475 return; |
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1476 } |
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1477 |
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1478 // XXX: get direct pointer from stream structure? |
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1479 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); |
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1480 |
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1481 if (sn == NULL) { |
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1482 return; |
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1483 } |
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1484 |
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1485 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); |
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1486 if (frame == NULL) { |
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1487 return; |
|
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1488 } |
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1489 |
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1490 frame->level = ssl_encryption_application; |
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1491 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */ |
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1492 frame->u.stream.off = 1; |
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1493 frame->u.stream.len = 1; |
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1494 frame->u.stream.fin = 1; |
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1495 |
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1496 frame->u.stream.type = frame->type; |
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1497 frame->u.stream.stream_id = qs->id; |
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1498 frame->u.stream.offset = c->sent; |
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1499 frame->u.stream.length = 0; |
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1500 frame->u.stream.data = NULL; |
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1501 |
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1502 ngx_sprintf(frame->info, "stream %xi fin=1 level=%d", qs->id, frame->level); |
|
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1503 |
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1504 ngx_quic_queue_frame(qc, frame); |
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1505 } |
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1506 |
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1507 |
| 8225 | 1508 static ngx_chain_t * |
| 1509 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
| 1510 off_t limit) | |
| 1511 { | |
| 1512 size_t len; | |
| 1513 ssize_t n; | |
| 1514 ngx_buf_t *b; | |
| 1515 | |
| 1516 for ( /* void */; in; in = in->next) { | |
| 1517 b = in->buf; | |
| 1518 | |
| 1519 if (!ngx_buf_in_memory(b)) { | |
| 1520 continue; | |
| 1521 } | |
| 1522 | |
| 1523 if (ngx_buf_size(b) == 0) { | |
| 1524 continue; | |
| 1525 } | |
| 1526 | |
| 1527 len = b->last - b->pos; | |
| 1528 | |
| 1529 n = ngx_quic_stream_send(c, b->pos, len); | |
| 1530 | |
| 1531 if (n == NGX_ERROR) { | |
| 1532 return NGX_CHAIN_ERROR; | |
| 1533 } | |
| 1534 | |
| 1535 if (n == NGX_AGAIN) { | |
| 1536 return in; | |
| 1537 } | |
| 1538 | |
| 1539 if (n != (ssize_t) len) { | |
| 1540 b->pos += n; | |
| 1541 return in; | |
| 1542 } | |
| 1543 } | |
| 1544 | |
| 1545 return NULL; | |
| 1546 } |