Mercurial > hg > nginx
annotate src/event/ngx_event_quic.c @ 8252:c955b7eaa2d9 quic
Removed unused variable.
| author | Vladimir Homutov <vl@nginx.com> |
|---|---|
| date | Fri, 20 Mar 2020 20:39:41 +0300 |
| parents | c217a907ce42 |
| children | 80d7144b1c38 |
| rev | line source |
|---|---|
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8182
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Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
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1 |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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2 /* |
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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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parents:
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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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Configurable transport parameters.
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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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Added support of multiple QUIC packets in single datagram.
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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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parents:
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60 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
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Moved all QUIC code into ngx_event_quic.c
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parents:
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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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parents:
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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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parents:
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69 |
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parents:
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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; |
|
8235
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Implemented send_alert callback, CONNECTION_CLOSE writer.
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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 |
|
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339 if (!ngx_quic_pkt_in(pkt->flags)) { |
| 8225 | 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 |
|
8221
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Split transport and crypto parts into separate files.
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diff
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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) { |
|
253cf267f95a
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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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changeset
|
448 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
|
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|
449 |
|
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changeset
|
450 if (n == -1) { |
|
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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; | |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
566 pkt.flags = p[0]; |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
567 |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
568 if (pkt.flags == 0) { |
| 8225 | 569 /* XXX: no idea WTF is this, just ignore */ |
| 570 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
| 571 break; | |
| 572 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
573 |
| 8225 | 574 // TODO: check current state |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
575 if (ngx_quic_long_pkt(pkt.flags)) { |
| 8225 | 576 |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
577 if (ngx_quic_pkt_in(pkt.flags)) { |
| 8225 | 578 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
|
579 |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
580 } else if (ngx_quic_pkt_hs(pkt.flags)) { |
| 8225 | 581 rc = ngx_quic_handshake_input(c, &pkt); |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
582 |
| 8225 | 583 } else { |
| 584 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 585 "BUG: unknown quic state"); | |
| 586 return NGX_ERROR; | |
| 587 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
588 |
| 8225 | 589 } else { |
| 590 rc = ngx_quic_app_input(c, &pkt); | |
| 591 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
592 |
| 8225 | 593 if (rc == NGX_ERROR) { |
| 594 return NGX_ERROR; | |
| 595 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
596 |
| 8225 | 597 /* b->pos is at header end, adjust by actual packet length */ |
| 598 p = b->pos + pkt.len; | |
| 599 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
|
600 |
| 8225 | 601 } while (p < b->last); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
602 |
| 8225 | 603 return NGX_OK; |
|
8182
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 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
607 static ngx_int_t |
| 8223 | 608 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
| 609 { | |
| 610 ngx_ssl_conn_t *ssl_conn; | |
| 611 ngx_quic_connection_t *qc; | |
| 612 | |
| 613 qc = c->quic; | |
| 614 ssl_conn = c->ssl->connection; | |
| 615 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
616 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
| 8223 | 617 return NGX_ERROR; |
| 618 } | |
| 619 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
620 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 8223 | 621 return NGX_ERROR; |
| 622 } | |
| 623 | |
| 624 pkt->secret = &qc->secrets.client.in; | |
| 625 pkt->level = ssl_encryption_initial; | |
| 626 | |
| 627 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
| 628 return NGX_ERROR; | |
| 629 } | |
| 630 | |
| 631 return ngx_quic_payload_handler(c, pkt); | |
| 632 } | |
| 633 | |
| 634 | |
| 635 static ngx_int_t | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
636 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
|
637 { |
|
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; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
641 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
642 /* 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
|
643 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
|
644 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
645 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
646 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
647 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
|
648 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
|
649 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
650 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
651 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
652 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
|
653 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
|
654 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
655 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
656 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
657 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
|
658 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
|
659 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
660 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
661 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
662 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
|
663 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
|
664 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
665 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
666 |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
667 if (!ngx_quic_pkt_hs(pkt->flags)) { |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
668 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
|
669 "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
|
670 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
671 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
672 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
673 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
|
674 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
675 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
676 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
677 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
|
678 pkt->level = ssl_encryption_handshake; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
679 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
680 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
|
681 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
682 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
683 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
684 return ngx_quic_payload_handler(c, pkt); |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
685 } |
|
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 static ngx_int_t |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
689 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
|
690 { |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
691 ngx_quic_connection_t *qc; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
692 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
693 qc = c->quic; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
694 |
| 8223 | 695 if (qc->secrets.client.ad.key.len == 0) { |
| 696 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 697 "no read keys yet, packet ignored"); | |
| 698 return NGX_DECLINED; | |
| 699 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
700 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
701 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
|
702 return NGX_ERROR; |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
703 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
704 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
705 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
|
706 pkt->level = ssl_encryption_application; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
707 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
708 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
|
709 return NGX_ERROR; |
|
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
710 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
711 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
712 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
|
713 } |
| 8171 | 714 |
| 715 | |
| 8225 | 716 static ngx_int_t |
| 717 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
| 718 { | |
| 719 u_char *end, *p; | |
| 720 ssize_t len; | |
| 721 ngx_uint_t ack_this, do_close; | |
| 722 ngx_quic_frame_t frame, *ack_frame; | |
| 723 ngx_quic_connection_t *qc; | |
| 724 | |
| 725 qc = c->quic; | |
| 726 | |
| 727 p = pkt->payload.data; | |
| 728 end = p + pkt->payload.len; | |
| 729 | |
| 730 ack_this = 0; | |
| 731 do_close = 0; | |
| 732 | |
| 733 while (p < end) { | |
| 734 | |
|
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
735 len = ngx_quic_parse_frame(pkt, p, end, &frame); |
|
8251
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
736 |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
737 if (len == NGX_DECLINED) { |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
738 /* TODO: handle protocol violation: |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
739 * such frame not allowed in this packet |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
740 */ |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
741 return NGX_ERROR; |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
742 } |
|
c217a907ce42
Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents:
8247
diff
changeset
|
743 |
| 8225 | 744 if (len < 0) { |
| 745 return NGX_ERROR; | |
| 746 } | |
| 747 | |
| 748 p += len; | |
| 749 | |
| 750 switch (frame.type) { | |
| 751 | |
| 752 case NGX_QUIC_FT_ACK: | |
| 753 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
| 754 return NGX_ERROR; | |
| 755 } | |
| 756 | |
| 757 break; | |
| 758 | |
| 759 case NGX_QUIC_FT_CRYPTO: | |
| 760 | |
| 761 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
| 762 != NGX_OK) | |
| 763 { | |
| 764 return NGX_ERROR; | |
| 765 } | |
| 766 | |
| 767 ack_this = 1; | |
| 768 break; | |
| 769 | |
| 770 case NGX_QUIC_FT_PADDING: | |
| 771 break; | |
| 772 | |
| 773 case NGX_QUIC_FT_PING: | |
| 774 ack_this = 1; | |
| 775 break; | |
| 776 | |
| 777 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
| 778 ack_this = 1; | |
| 779 break; | |
| 780 | |
| 781 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
| 782 | |
| 783 do_close = 1; | |
| 784 break; | |
| 785 | |
| 786 case NGX_QUIC_FT_STREAM0: | |
| 787 case NGX_QUIC_FT_STREAM1: | |
| 788 case NGX_QUIC_FT_STREAM2: | |
| 789 case NGX_QUIC_FT_STREAM3: | |
| 790 case NGX_QUIC_FT_STREAM4: | |
| 791 case NGX_QUIC_FT_STREAM5: | |
| 792 case NGX_QUIC_FT_STREAM6: | |
| 793 case NGX_QUIC_FT_STREAM7: | |
| 794 | |
| 795 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
| 796 != NGX_OK) | |
| 797 { | |
| 798 return NGX_ERROR; | |
| 799 } | |
| 800 | |
| 801 ack_this = 1; | |
| 802 break; | |
| 803 | |
|
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
804 case NGX_QUIC_FT_MAX_DATA: |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
805 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
|
806 ack_this = 1; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
807 break; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
808 |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
809 case NGX_QUIC_FT_RESET_STREAM: |
|
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
810 /* TODO: handle */ |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
811 break; |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
812 |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
813 case NGX_QUIC_FT_STOP_SENDING: |
|
8240
1f002206a59b
Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents:
8239
diff
changeset
|
814 /* TODO: handle; need ack ? */ |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
815 break; |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
816 |
|
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
817 case NGX_QUIC_FT_STREAMS_BLOCKED: |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
818 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
|
8245
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 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
|
821 &frame.u.streams_blocked) |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
822 != NGX_OK) |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
823 { |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
824 return NGX_ERROR; |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
825 } |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
826 |
|
a14afe21e692
Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents:
8241
diff
changeset
|
827 ack_this = 1; |
|
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
828 break; |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
829 |
| 8225 | 830 default: |
| 831 return NGX_ERROR; | |
| 832 } | |
| 833 } | |
| 834 | |
| 835 if (p != end) { | |
| 836 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 837 "trailing garbage in payload: %ui bytes", end - p); | |
| 838 return NGX_ERROR; | |
| 839 } | |
| 840 | |
| 841 if (do_close) { | |
| 842 // TODO: handle stream close | |
| 843 } | |
| 844 | |
| 845 if (ack_this == 0) { | |
| 846 /* do not ack packets with ACKs and PADDING */ | |
| 847 return NGX_OK; | |
| 848 } | |
| 849 | |
| 850 // packet processed, ACK it now if required | |
| 851 // TODO: if (ack_required) ... - currently just ack each packet | |
| 852 | |
| 853 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
| 854 if (ack_frame == NULL) { | |
| 855 return NGX_ERROR; | |
| 856 } | |
| 857 | |
| 858 ack_frame->level = pkt->level; | |
| 859 ack_frame->type = NGX_QUIC_FT_ACK; | |
| 860 ack_frame->u.ack.pn = pkt->pn; | |
| 861 | |
| 862 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
| 863 ngx_quic_queue_frame(qc, ack_frame); | |
| 864 | |
| 865 return ngx_quic_output(c); | |
| 866 } | |
| 867 | |
| 868 | |
| 869 static ngx_int_t | |
| 870 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 871 ngx_quic_ack_frame_t *f) | |
| 872 { | |
| 873 /* TODO: handle ACK here */ | |
| 874 return NGX_OK; | |
| 875 } | |
| 876 | |
| 877 | |
| 878 static ngx_int_t | |
| 879 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 880 ngx_quic_crypto_frame_t *f) | |
| 881 { | |
| 882 int sslerr; | |
| 883 ssize_t n; | |
| 884 ngx_ssl_conn_t *ssl_conn; | |
| 885 | |
| 886 if (f->offset != 0x0) { | |
| 887 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 888 "crypto frame with non-zero offset"); | |
| 889 // TODO: add support for crypto frames spanning packets | |
| 890 return NGX_ERROR; | |
| 891 } | |
| 892 | |
| 893 ssl_conn = c->ssl->connection; | |
| 894 | |
| 895 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 896 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 897 (int) SSL_quic_read_level(ssl_conn), | |
| 898 (int) SSL_quic_write_level(ssl_conn)); | |
| 899 | |
| 900 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
| 901 f->data, f->len)) | |
| 902 { | |
| 903 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
| 904 "SSL_provide_quic_data() failed"); | |
| 905 return NGX_ERROR; | |
| 906 } | |
| 907 | |
| 908 n = SSL_do_handshake(ssl_conn); | |
| 909 | |
| 910 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
| 911 | |
| 912 if (n == -1) { | |
| 913 sslerr = SSL_get_error(ssl_conn, n); | |
| 914 | |
| 915 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
| 916 sslerr); | |
| 917 | |
| 918 if (sslerr == SSL_ERROR_SSL) { | |
| 919 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
| 920 } | |
| 921 } | |
| 922 | |
| 923 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 924 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
| 925 | |
| 926 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 927 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 928 (int) SSL_quic_read_level(ssl_conn), | |
| 929 (int) SSL_quic_write_level(ssl_conn)); | |
| 930 | |
| 931 return NGX_OK; | |
| 932 } | |
| 933 | |
| 934 | |
| 935 static ngx_int_t | |
| 936 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 937 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
| 938 { | |
| 939 ngx_buf_t *b; | |
| 940 ngx_quic_connection_t *qc; | |
| 941 ngx_quic_stream_node_t *sn; | |
| 942 | |
| 943 qc = c->quic; | |
| 944 | |
| 945 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
| 946 | |
| 947 if (sn) { | |
| 948 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
| 949 b = sn->b; | |
| 950 | |
| 951 if ((size_t) (b->end - b->pos) < f->length) { | |
| 952 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
| 953 return NGX_ERROR; | |
| 954 } | |
| 955 | |
| 956 ngx_memcpy(b->pos, f->data, f->length); | |
| 957 b->pos += f->length; | |
| 958 | |
| 959 // TODO: notify | |
| 960 | |
| 961 return NGX_OK; | |
| 962 } | |
| 963 | |
| 964 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
| 965 | |
|
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966 sn = ngx_quic_create_stream(c, f->stream_id); |
| 8225 | 967 if (sn == NULL) { |
| 968 return NGX_ERROR; | |
| 969 } | |
| 970 | |
| 971 b = sn->b; | |
| 972 | |
| 973 ngx_memcpy(b->start, f->data, f->length); | |
| 974 b->last = b->start + f->length; | |
| 975 | |
| 976 qc->streams.handler(sn->c); | |
| 977 | |
| 978 return NGX_OK; | |
| 979 } | |
| 980 | |
| 981 | |
|
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982 static ngx_int_t |
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983 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c, |
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984 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f) |
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985 { |
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986 ngx_quic_frame_t *frame; |
|
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987 |
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988 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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989 if (frame == NULL) { |
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990 return NGX_ERROR; |
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991 } |
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992 |
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993 frame->level = pkt->level; |
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994 frame->type = NGX_QUIC_FT_MAX_STREAMS; |
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995 frame->u.max_streams.limit = f->limit * 2; |
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996 frame->u.max_streams.bidi = f->bidi; |
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997 |
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998 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d", |
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999 (int) frame->u.max_streams.limit, |
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1000 (int) frame->u.max_streams.bidi, |
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1001 frame->level); |
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1002 |
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1003 ngx_quic_queue_frame(c->quic, frame); |
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1004 |
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1005 return NGX_OK; |
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1006 } |
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1007 |
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|
1008 |
| 8225 | 1009 static void |
| 1010 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
| 1011 { | |
| 1012 ngx_quic_frame_t *f; | |
| 1013 | |
| 1014 if (qc->frames == NULL) { | |
| 1015 qc->frames = frame; | |
| 1016 return; | |
| 1017 } | |
| 1018 | |
| 1019 for (f = qc->frames; f->next; f = f->next) { | |
| 1020 if (f->next->level > frame->level) { | |
| 1021 break; | |
| 1022 } | |
| 1023 } | |
| 1024 | |
| 1025 frame->next = f->next; | |
| 1026 f->next = frame; | |
| 1027 } | |
| 1028 | |
| 1029 | |
| 1030 static ngx_int_t | |
| 1031 ngx_quic_output(ngx_connection_t *c) | |
| 1032 { | |
| 1033 size_t len; | |
| 1034 ngx_uint_t lvl; | |
| 1035 ngx_quic_frame_t *f, *start; | |
| 1036 ngx_quic_connection_t *qc; | |
| 1037 | |
| 1038 qc = c->quic; | |
| 1039 | |
| 1040 if (qc->frames == NULL) { | |
| 1041 return NGX_OK; | |
| 1042 } | |
| 1043 | |
| 1044 lvl = qc->frames->level; | |
| 1045 start = qc->frames; | |
| 1046 f = start; | |
| 1047 | |
| 1048 do { | |
| 1049 len = 0; | |
| 1050 | |
| 1051 do { | |
| 1052 /* process same-level group of frames */ | |
| 1053 | |
|
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|
1054 len += ngx_quic_create_frame(NULL, NULL, f);// TODO: handle overflow, max size |
| 8225 | 1055 |
| 1056 f = f->next; | |
| 1057 } while (f && f->level == lvl); | |
| 1058 | |
| 1059 | |
| 1060 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
| 1061 return NGX_ERROR; | |
| 1062 } | |
| 1063 | |
| 1064 if (f == NULL) { | |
| 1065 break; | |
| 1066 } | |
| 1067 | |
| 1068 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
| 1069 start = f; | |
| 1070 | |
| 1071 } while (1); | |
| 1072 | |
| 1073 qc->frames = NULL; | |
| 1074 | |
| 1075 return NGX_OK; | |
| 1076 } | |
| 1077 | |
| 1078 | |
| 1079 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
| 1080 ngx_int_t | |
| 1081 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 1082 ngx_quic_frame_t *end, size_t total) | |
| 1083 { | |
| 1084 ssize_t len; | |
| 1085 u_char *p; | |
| 1086 ngx_str_t out; | |
| 1087 ngx_quic_frame_t *f; | |
| 1088 | |
| 1089 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1090 "sending frames %p...%p", start, end); | |
| 1091 | |
| 1092 p = ngx_pnalloc(c->pool, total); | |
| 1093 if (p == NULL) { | |
| 1094 return NGX_ERROR; | |
| 1095 } | |
| 1096 | |
| 1097 out.data = p; | |
| 1098 | |
| 1099 for (f = start; f != end; f = f->next) { | |
| 1100 | |
| 1101 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
| 1102 | |
| 1103 len = ngx_quic_create_frame(p, p + total, f); | |
| 1104 if (len == -1) { | |
| 1105 return NGX_ERROR; | |
| 1106 } | |
| 1107 | |
| 1108 p += len; | |
| 1109 } | |
| 1110 | |
| 1111 out.len = p - out.data; | |
| 1112 | |
| 1113 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1114 "packet ready: %ui bytes at level %d", | |
| 1115 out.len, start->level); | |
| 1116 | |
| 1117 // IOVEC/sendmsg_chain ? | |
| 1118 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
| 1119 return NGX_ERROR; | |
| 1120 } | |
| 1121 | |
| 1122 return NGX_OK; | |
| 1123 } | |
| 1124 | |
| 1125 | |
| 1126 static ngx_int_t | |
| 1127 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
| 1128 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
| 1129 { | |
| 1130 ngx_str_t res; | |
| 1131 ngx_quic_header_t pkt; | |
| 1132 | |
| 1133 pkt.log = c->log; | |
| 1134 | |
| 1135 static ngx_str_t initial_token = ngx_null_string; | |
| 1136 | |
| 1137 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 1138 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
| 1139 | |
| 1140 pkt.level = level; | |
| 1141 pkt.dcid = qc->dcid; | |
| 1142 pkt.scid = qc->scid; | |
| 1143 | |
| 1144 if (level == ssl_encryption_initial) { | |
| 1145 pkt.number = &qc->initial_pn; | |
| 1146 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
| 1147 pkt.secret = &qc->secrets.server.in; | |
| 1148 pkt.token = initial_token; | |
| 1149 | |
| 1150 } else if (level == ssl_encryption_handshake) { | |
| 1151 pkt.number = &qc->handshake_pn; | |
| 1152 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
| 1153 pkt.secret = &qc->secrets.server.hs; | |
| 1154 | |
| 1155 } else { | |
| 1156 pkt.number = &qc->appdata_pn; | |
| 1157 pkt.secret = &qc->secrets.server.ad; | |
| 1158 } | |
| 1159 | |
| 1160 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
| 1161 != NGX_OK) | |
| 1162 { | |
| 1163 return NGX_ERROR; | |
| 1164 } | |
| 1165 | |
| 1166 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
| 1167 | |
| 1168 c->send(c, res.data, res.len); // TODO: err handling | |
| 1169 | |
| 1170 (*pkt.number)++; | |
| 1171 | |
| 1172 return NGX_OK; | |
| 1173 } | |
| 1174 | |
| 1175 | |
| 1176 ngx_connection_t * | |
| 1177 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
| 1178 { | |
|
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1179 ngx_uint_t id; |
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1180 ngx_quic_stream_t *qs; |
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1181 ngx_quic_connection_t *qc; |
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1182 ngx_quic_stream_node_t *sn; |
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1183 |
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1184 qs = c->qs; |
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1185 qc = qs->parent->quic; |
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1186 |
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|
1187 /* |
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1188 * A stream ID is a 62-bit integer that is unique for all streams |
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1189 * on a connection. |
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1190 * |
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|
1191 * 0x3 | Server-Initiated, Unidirectional |
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1192 */ |
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1193 id = (qc->streams.id_counter << 2) | 0x3; |
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1194 |
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1195 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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1196 "creating server uni stream #%ui id %ui", |
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|
1197 qc->streams.id_counter, id); |
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8225
diff
changeset
|
1198 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1199 qc->streams.id_counter++; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1200 |
|
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1201 sn = ngx_quic_create_stream(qs->parent, id); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1202 if (sn == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1203 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1204 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1205 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1206 return sn->c; |
| 8225 | 1207 } |
| 1208 | |
| 1209 | |
| 1210 static void | |
| 1211 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 1212 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
| 1213 { | |
| 1214 ngx_rbtree_node_t **p; | |
| 1215 ngx_quic_stream_node_t *qn, *qnt; | |
| 1216 | |
| 1217 for ( ;; ) { | |
| 1218 | |
| 1219 if (node->key < temp->key) { | |
| 1220 | |
| 1221 p = &temp->left; | |
| 1222 | |
| 1223 } else if (node->key > temp->key) { | |
| 1224 | |
| 1225 p = &temp->right; | |
| 1226 | |
| 1227 } else { /* node->key == temp->key */ | |
| 1228 | |
| 1229 qn = (ngx_quic_stream_node_t *) &node->color; | |
| 1230 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
| 1231 | |
| 1232 if (qn->c < qnt->c) { | |
| 1233 p = &temp->left; | |
| 1234 } else { | |
| 1235 p = &temp->right; | |
| 1236 } | |
| 1237 } | |
| 1238 | |
| 1239 if (*p == sentinel) { | |
| 1240 break; | |
| 1241 } | |
| 1242 | |
| 1243 temp = *p; | |
| 1244 } | |
| 1245 | |
| 1246 *p = node; | |
| 1247 node->parent = temp; | |
| 1248 node->left = sentinel; | |
| 1249 node->right = sentinel; | |
| 1250 ngx_rbt_red(node); | |
| 1251 } | |
| 1252 | |
| 1253 | |
| 1254 static ngx_quic_stream_node_t * | |
| 1255 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
| 1256 { | |
| 1257 ngx_rbtree_node_t *node, *sentinel; | |
| 1258 | |
| 1259 node = rbtree->root; | |
| 1260 sentinel = rbtree->sentinel; | |
| 1261 | |
| 1262 while (node != sentinel) { | |
| 1263 | |
| 1264 if (key == node->key) { | |
| 1265 return (ngx_quic_stream_node_t *) node; | |
| 1266 } | |
| 1267 | |
| 1268 node = (key < node->key) ? node->left : node->right; | |
| 1269 } | |
| 1270 | |
| 1271 return NULL; | |
| 1272 } | |
| 1273 | |
| 1274 | |
|
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1275 static ngx_quic_stream_node_t * |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1276 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
|
1277 { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1278 ngx_log_t *log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1279 ngx_pool_t *pool; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1280 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
|
1281 ngx_pool_cleanup_t *cln; |
|
8229
cfc429911c0d
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diff
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|
1282 ngx_quic_connection_t *qc; |
|
cfc429911c0d
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parents:
8225
diff
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|
1283 ngx_quic_stream_node_t *sn; |
|
cfc429911c0d
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parents:
8225
diff
changeset
|
1284 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1285 qc = c->quic; |
|
cfc429911c0d
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parents:
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diff
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|
1286 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1287 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1288 if (sn == NULL) { |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1289 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1290 } |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1291 |
|
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1292 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1293 if (sn->c == NULL) { |
|
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
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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diff
changeset
|
1296 |
|
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Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1297 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1298 if (pool == NULL) { |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1299 /* XXX free connection */ |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1300 // TODO: add pool cleanup handdler |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1301 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1302 } |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1303 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1304 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1305 if (log == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1306 /* XXX free pool and connection */ |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1307 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1308 } |
|
cfc429911c0d
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8225
diff
changeset
|
1309 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1310 *log = *c->log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1311 pool->log = log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1312 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1313 sn->c->log = log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1314 sn->c->pool = pool; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1315 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1316 sn->c->listening = c->listening; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1317 sn->c->sockaddr = c->sockaddr; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1318 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
|
1319 sn->c->addr_text = c->addr_text; |
|
8229
cfc429911c0d
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8225
diff
changeset
|
1320 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1321 rev = sn->c->read; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1322 wev = sn->c->write; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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8225
diff
changeset
|
1323 |
|
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1324 rev->ready = 1; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1325 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1326 rev->log = c->log; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1327 wev->log = c->log; |
|
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 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1330 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1331 sn->node.key =id; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1332 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
|
1333 if (sn->b == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1334 return NULL; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1335 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1336 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1337 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1338 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1339 sn->s.id = id; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1340 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1341 sn->s.parent = c; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1342 sn->c->qs = &sn->s; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1343 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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8225
diff
changeset
|
1344 sn->c->recv = ngx_quic_stream_recv; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1345 sn->c->send = ngx_quic_stream_send; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1346 sn->c->send_chain = ngx_quic_stream_send_chain; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
8225
diff
changeset
|
1347 |
|
8239
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1348 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
|
1349 if (cln == NULL) { |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1350 ngx_close_connection(sn->c); |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1351 ngx_destroy_pool(pool); |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1352 return NULL; |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1353 } |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1354 |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1355 cln->handler = ngx_quic_stream_cleanup_handler; |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1356 cln->data = sn->c; |
|
5ad7bffd3850
Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents:
8237
diff
changeset
|
1357 |
|
8229
cfc429911c0d
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Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1358 return sn; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1359 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1360 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1361 |
| 8225 | 1362 static ssize_t |
| 1363 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1364 { | |
| 1365 ssize_t len; | |
| 1366 ngx_buf_t *b; | |
| 1367 ngx_quic_stream_t *qs; | |
| 1368 ngx_quic_connection_t *qc; | |
| 1369 ngx_quic_stream_node_t *sn; | |
| 1370 | |
| 1371 qs = c->qs; | |
| 1372 qc = qs->parent->quic; | |
| 1373 | |
| 1374 // XXX: get direct pointer from stream structure? | |
| 1375 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1376 | |
| 1377 if (sn == NULL) { | |
| 1378 return NGX_ERROR; | |
| 1379 } | |
| 1380 | |
| 1381 // XXX: how to return EOF? | |
| 1382 | |
| 1383 b = sn->b; | |
| 1384 | |
| 1385 if (b->last - b->pos == 0) { | |
| 1386 c->read->ready = 0; | |
| 1387 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1388 "quic recv() not ready"); | |
| 1389 return NGX_AGAIN; // ? | |
| 1390 } | |
| 1391 | |
| 1392 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
| 1393 | |
| 1394 ngx_memcpy(buf, b->pos, len); | |
| 1395 | |
| 1396 b->pos += len; | |
| 1397 | |
| 1398 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1399 "quic recv: %z of %uz", len, size); | |
| 1400 | |
| 1401 return len; | |
| 1402 } | |
| 1403 | |
| 1404 | |
| 1405 static ssize_t | |
| 1406 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1407 { | |
| 1408 u_char *p; | |
| 1409 ngx_connection_t *pc; | |
| 1410 ngx_quic_frame_t *frame; | |
| 1411 ngx_quic_stream_t *qs; | |
| 1412 ngx_quic_connection_t *qc; | |
| 1413 ngx_quic_stream_node_t *sn; | |
| 1414 | |
| 1415 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
| 1416 | |
| 1417 qs = c->qs; | |
| 1418 pc = qs->parent; | |
| 1419 qc = pc->quic; | |
| 1420 | |
| 1421 // XXX: get direct pointer from stream structure? | |
| 1422 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1423 | |
| 1424 if (sn == NULL) { | |
| 1425 return NGX_ERROR; | |
| 1426 } | |
| 1427 | |
| 1428 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
| 1429 if (frame == NULL) { | |
| 1430 return 0; | |
| 1431 } | |
| 1432 | |
| 1433 p = ngx_pnalloc(pc->pool, size); | |
| 1434 if (p == NULL) { | |
| 1435 return 0; | |
| 1436 } | |
| 1437 | |
| 1438 ngx_memcpy(p, buf, size); | |
| 1439 | |
| 1440 frame->level = ssl_encryption_application; | |
| 1441 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
| 1442 frame->u.stream.off = 1; | |
| 1443 frame->u.stream.len = 1; | |
| 1444 frame->u.stream.fin = 0; | |
| 1445 | |
| 1446 frame->u.stream.type = frame->type; | |
| 1447 frame->u.stream.stream_id = qs->id; | |
| 1448 frame->u.stream.offset = c->sent; | |
| 1449 frame->u.stream.length = size; | |
| 1450 frame->u.stream.data = p; | |
| 1451 | |
| 1452 c->sent += size; | |
| 1453 | |
| 1454 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
| 1455 qs->id, size, frame->level); | |
| 1456 | |
| 1457 ngx_quic_queue_frame(qc, frame); | |
| 1458 | |
| 1459 return size; | |
| 1460 } | |
| 1461 | |
| 1462 | |
|
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1463 static void |
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1464 ngx_quic_stream_cleanup_handler(void *data) |
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1465 { |
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1466 ngx_connection_t *c = data; |
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1467 |
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1468 ngx_connection_t *pc; |
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1469 ngx_quic_frame_t *frame; |
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1470 ngx_quic_stream_t *qs; |
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1471 ngx_quic_connection_t *qc; |
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1472 ngx_quic_stream_node_t *sn; |
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1473 |
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1474 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send fin"); |
|
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1475 |
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1476 qs = c->qs; |
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1477 pc = qs->parent; |
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1478 qc = pc->quic; |
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1479 |
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1480 if ((qs->id & 0x03) == 0x02) { |
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1481 /* do not send fin for client unidirectional streams */ |
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1482 return; |
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1483 } |
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1484 |
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1485 // XXX: get direct pointer from stream structure? |
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1486 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); |
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1487 |
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1488 if (sn == NULL) { |
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1489 return; |
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1490 } |
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1491 |
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1492 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); |
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1493 if (frame == NULL) { |
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1494 return; |
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1495 } |
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1496 |
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1497 frame->level = ssl_encryption_application; |
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1498 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */ |
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1499 frame->u.stream.off = 1; |
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1500 frame->u.stream.len = 1; |
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1501 frame->u.stream.fin = 1; |
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1502 |
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1503 frame->u.stream.type = frame->type; |
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1504 frame->u.stream.stream_id = qs->id; |
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1505 frame->u.stream.offset = c->sent; |
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1506 frame->u.stream.length = 0; |
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1507 frame->u.stream.data = NULL; |
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1508 |
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1509 ngx_sprintf(frame->info, "stream %xi fin=1 level=%d", qs->id, frame->level); |
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1510 |
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1511 ngx_quic_queue_frame(qc, frame); |
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1512 } |
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1513 |
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1514 |
| 8225 | 1515 static ngx_chain_t * |
| 1516 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
| 1517 off_t limit) | |
| 1518 { | |
| 1519 size_t len; | |
| 1520 ssize_t n; | |
| 1521 ngx_buf_t *b; | |
| 1522 | |
| 1523 for ( /* void */; in; in = in->next) { | |
| 1524 b = in->buf; | |
| 1525 | |
| 1526 if (!ngx_buf_in_memory(b)) { | |
| 1527 continue; | |
| 1528 } | |
| 1529 | |
| 1530 if (ngx_buf_size(b) == 0) { | |
| 1531 continue; | |
| 1532 } | |
| 1533 | |
| 1534 len = b->last - b->pos; | |
| 1535 | |
| 1536 n = ngx_quic_stream_send(c, b->pos, len); | |
| 1537 | |
| 1538 if (n == NGX_ERROR) { | |
| 1539 return NGX_CHAIN_ERROR; | |
| 1540 } | |
| 1541 | |
| 1542 if (n == NGX_AGAIN) { | |
| 1543 return in; | |
| 1544 } | |
| 1545 | |
| 1546 if (n != (ssize_t) len) { | |
| 1547 b->pos += n; | |
| 1548 return in; | |
| 1549 } | |
| 1550 } | |
| 1551 | |
| 1552 return NULL; | |
| 1553 } |