Mercurial > hg > nginx
annotate src/event/ngx_event_quic.c @ 8229:cfc429911c0d quic
Implemented creation of server unidirectional streams.
The ngx_quic_create_stream() function is a generic function extracted from
the ngx_quic_handle_stream_frame() function.
| author | Vladimir Homutov <vl@nginx.com> |
|---|---|
| date | Wed, 18 Mar 2020 13:49:39 +0300 |
| parents | 714a19dba6af |
| children | 78540e2160d0 |
| rev | line source |
|---|---|
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Moved all QUIC code into ngx_event_quic.c
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parents:
8180
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
| 8171 | 7 #include <ngx_config.h> |
| 8 #include <ngx_core.h> | |
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9 #include <ngx_event.h> |
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10 |
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11 |
| 8225 | 12 typedef struct { |
| 13 ngx_rbtree_node_t node; | |
| 14 ngx_buf_t *b; | |
| 15 ngx_connection_t *c; | |
| 16 ngx_quic_stream_t s; | |
| 17 } ngx_quic_stream_node_t; | |
| 18 | |
| 19 | |
| 20 typedef struct { | |
| 21 ngx_rbtree_t tree; | |
| 22 ngx_rbtree_node_t sentinel; | |
| 23 ngx_msec_t timeout; | |
| 24 ngx_connection_handler_pt handler; | |
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25 |
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26 ngx_uint_t id_counter; |
| 8225 | 27 } ngx_quic_streams_t; |
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28 |
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29 |
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30 struct ngx_quic_connection_s { |
| 8225 | 31 ngx_str_t scid; |
| 32 ngx_str_t dcid; | |
| 33 ngx_str_t token; | |
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34 |
| 8225 | 35 /* current packet numbers for each namespace */ |
| 36 ngx_uint_t initial_pn; | |
| 37 ngx_uint_t handshake_pn; | |
| 38 ngx_uint_t appdata_pn; | |
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Split frame and packet generation into separate steps.
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39 |
| 8225 | 40 ngx_quic_secrets_t secrets; |
| 41 ngx_ssl_t *ssl; | |
| 42 ngx_quic_frame_t *frames; | |
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43 |
| 8225 | 44 ngx_quic_streams_t streams; |
| 45 }; | |
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Added support of multiple QUIC packets in single datagram.
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46 |
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47 |
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48 #if BORINGSSL_API_VERSION >= 10 |
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49 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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50 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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51 const uint8_t *secret, size_t secret_len); |
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52 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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53 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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54 const uint8_t *secret, size_t secret_len); |
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55 #else |
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56 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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57 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
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58 const uint8_t *write_secret, size_t secret_len); |
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59 #endif |
| 8225 | 60 |
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61 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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62 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
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63 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
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64 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
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65 enum ssl_encryption_level_t level, uint8_t alert); |
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66 |
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67 |
| 8225 | 68 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
| 69 ngx_quic_header_t *pkt); | |
| 70 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); | |
| 71 static void ngx_quic_handshake_handler(ngx_event_t *rev); | |
| 72 static void ngx_quic_close_connection(ngx_connection_t *c); | |
| 73 | |
| 74 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
| 75 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
| 76 ngx_quic_header_t *pkt); | |
| 77 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
| 78 ngx_quic_header_t *pkt); | |
| 79 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
| 80 ngx_quic_header_t *pkt); | |
| 81 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
| 82 ngx_quic_header_t *pkt); | |
| 83 | |
| 84 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
| 85 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
| 86 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
| 87 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
| 88 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 89 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *frame); | |
| 90 | |
| 91 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
| 92 ngx_quic_frame_t *frame); | |
| 93 | |
| 94 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
| 95 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 96 ngx_quic_frame_t *end, size_t total); | |
| 97 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
| 98 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
| 99 ngx_str_t *payload); | |
| 100 | |
| 101 | |
| 102 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 103 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
| 104 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
| 105 ngx_uint_t key); | |
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Vladimir Homutov <vl@nginx.com>
parents:
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106 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
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107 ngx_uint_t id); |
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108 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, |
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109 size_t size); |
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110 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
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111 size_t size); |
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112 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
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113 ngx_chain_t *in, off_t limit); |
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114 |
| 8225 | 115 |
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116 static SSL_QUIC_METHOD quic_method = { |
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117 #if BORINGSSL_API_VERSION >= 10 |
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118 ngx_quic_set_read_secret, |
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119 ngx_quic_set_write_secret, |
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120 #else |
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121 ngx_quic_set_encryption_secrets, |
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122 #endif |
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123 ngx_quic_add_handshake_data, |
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124 ngx_quic_flush_flight, |
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125 ngx_quic_send_alert, |
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126 }; |
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127 |
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128 |
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129 void |
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130 ngx_quic_init_ssl_methods(SSL_CTX* ctx) |
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131 { |
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132 SSL_CTX_set_quic_method(ctx, &quic_method); |
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133 } |
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134 |
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135 |
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136 #if BORINGSSL_API_VERSION >= 10 |
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137 |
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138 static int |
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139 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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140 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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141 const uint8_t *rsecret, size_t secret_len) |
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142 { |
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143 ngx_connection_t *c; |
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144 |
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145 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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146 |
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147 ngx_quic_hexdump(c->log, "level:%d read secret", |
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148 rsecret, secret_len, level); |
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149 |
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150 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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151 rsecret, secret_len, |
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152 &c->quic->secrets.client); |
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153 } |
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154 |
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155 |
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156 static int |
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157 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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158 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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159 const uint8_t *wsecret, size_t secret_len) |
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160 { |
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161 ngx_connection_t *c; |
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162 |
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163 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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164 |
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165 ngx_quic_hexdump(c->log, "level:%d write secret", |
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166 wsecret, secret_len, level); |
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167 |
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168 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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169 wsecret, secret_len, |
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170 &c->quic->secrets.server); |
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171 } |
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172 |
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173 #else |
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174 |
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175 static int |
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176 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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177 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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178 const uint8_t *wsecret, size_t secret_len) |
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179 { |
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180 ngx_int_t rc; |
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181 ngx_connection_t *c; |
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182 |
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183 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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184 |
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185 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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186 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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187 |
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188 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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189 rsecret, secret_len, |
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190 &c->quic->secrets.client); |
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191 if (rc != 1) { |
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192 return rc; |
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193 } |
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194 |
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195 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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196 wsecret, secret_len, |
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197 &c->quic->secrets.server); |
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198 } |
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199 |
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200 #endif |
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201 |
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202 |
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203 static int |
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204 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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205 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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206 { |
| 8225 | 207 u_char *p; |
| 208 ngx_quic_frame_t *frame; | |
| 209 ngx_connection_t *c; | |
| 210 ngx_quic_connection_t *qc; | |
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211 |
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212 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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213 qc = c->quic; |
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214 |
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215 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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216 "ngx_quic_add_handshake_data"); |
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217 |
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218 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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219 if (frame == NULL) { |
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220 return 0; |
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221 } |
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222 |
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223 p = ngx_pnalloc(c->pool, len); |
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224 if (p == NULL) { |
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225 return 0; |
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226 } |
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227 |
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228 ngx_memcpy(p, data, len); |
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229 |
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230 frame->level = level; |
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231 frame->type = NGX_QUIC_FT_CRYPTO; |
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|
232 frame->u.crypto.len = len; |
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233 frame->u.crypto.data = p; |
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234 |
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235 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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236 |
|
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|
237 ngx_quic_queue_frame(qc, frame); |
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238 |
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239 return 1; |
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240 } |
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241 |
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242 |
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243 static int |
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244 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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245 { |
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246 ngx_connection_t *c; |
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247 |
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248 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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249 |
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250 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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251 |
|
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252 return 1; |
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253 } |
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254 |
|
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255 |
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256 static int |
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257 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
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258 uint8_t alert) |
|
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259 { |
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260 ngx_connection_t *c; |
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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 return 1; |
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269 } |
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270 |
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271 |
| 8225 | 272 void |
| 273 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_msec_t timeout, | |
| 274 ngx_connection_handler_pt handler) | |
| 275 { | |
| 276 ngx_buf_t *b; | |
| 277 ngx_quic_header_t pkt; | |
| 278 | |
| 279 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic handshake"); | |
| 280 | |
| 281 c->log->action = "QUIC handshaking"; | |
| 282 | |
| 283 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 284 | |
| 285 b = c->buffer; | |
| 286 | |
| 287 pkt.log = c->log; | |
| 288 pkt.raw = b; | |
| 289 pkt.data = b->start; | |
| 290 pkt.len = b->last - b->start; | |
| 291 | |
| 292 if (ngx_quic_new_connection(c, ssl, &pkt) != NGX_OK) { | |
| 293 ngx_quic_close_connection(c); | |
| 294 return; | |
| 295 } | |
| 296 | |
| 297 // we don't need stream handler for initial packet processing | |
| 298 c->quic->streams.handler = handler; | |
| 299 c->quic->streams.timeout = timeout; | |
| 300 | |
| 301 ngx_add_timer(c->read, timeout); | |
| 302 | |
| 303 c->read->handler = ngx_quic_handshake_handler; | |
| 304 | |
| 305 return; | |
| 306 } | |
| 307 | |
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308 |
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309 static ngx_int_t |
| 8225 | 310 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
| 311 ngx_quic_header_t *pkt) | |
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312 { |
| 8225 | 313 ngx_quic_connection_t *qc; |
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314 |
| 8225 | 315 if (ngx_buf_size(pkt->raw) < 1200) { |
| 316 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
| 317 return NGX_ERROR; | |
| 318 } | |
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319 |
| 8225 | 320 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
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321 return NGX_ERROR; |
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322 } |
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323 |
| 8225 | 324 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_INITIAL) { |
| 325 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 326 "invalid initial packet: 0x%xi", pkt->flags); | |
| 327 return NGX_ERROR; | |
| 328 } | |
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329 |
| 8225 | 330 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 331 return NGX_ERROR; | |
| 332 } | |
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333 |
| 8225 | 334 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
| 335 if (qc == NULL) { | |
| 336 return NGX_ERROR; | |
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337 } |
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338 |
| 8225 | 339 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
| 340 ngx_quic_rbtree_insert_stream); | |
| 341 | |
| 342 c->quic = qc; | |
| 343 qc->ssl = ssl; | |
| 344 | |
| 345 qc->dcid.len = pkt->dcid.len; | |
| 346 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
| 347 if (qc->dcid.data == NULL) { | |
| 348 return NGX_ERROR; | |
| 349 } | |
| 350 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
| 351 | |
| 352 qc->scid.len = pkt->scid.len; | |
| 353 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
| 354 if (qc->scid.data == NULL) { | |
| 355 return NGX_ERROR; | |
| 356 } | |
| 357 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
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358 |
| 8225 | 359 qc->token.len = pkt->token.len; |
| 360 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
| 361 if (qc->token.data == NULL) { | |
| 362 return NGX_ERROR; | |
| 363 } | |
| 364 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
| 365 | |
| 366 | |
| 367 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
| 368 != NGX_OK) | |
| 369 { | |
| 370 return NGX_ERROR; | |
| 371 } | |
|
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372 |
| 8225 | 373 pkt->secret = &qc->secrets.client.in; |
| 374 pkt->level = ssl_encryption_initial; | |
| 375 | |
| 376 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
| 377 return NGX_ERROR; | |
| 378 } | |
| 379 | |
| 380 if (ngx_quic_init_connection(c) != NGX_OK) { | |
| 381 return NGX_ERROR; | |
| 382 } | |
| 383 | |
| 384 return ngx_quic_payload_handler(c, pkt); | |
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385 } |
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386 |
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387 |
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|
388 static ngx_int_t |
|
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389 ngx_quic_init_connection(ngx_connection_t *c) |
|
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390 { |
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391 int n, sslerr; |
|
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392 ngx_ssl_conn_t *ssl_conn; |
|
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393 ngx_quic_connection_t *qc; |
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394 |
|
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|
395 static const uint8_t params[] = |
|
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|
396 "\x00\x29" /* parameters length: 41 bytes */ |
|
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397 "\x00\x0e\x00\x01\x05" /* active connection id limit: 5 */ |
|
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398 "\x00\x04\x00\x04\x80\x98\x96\x80" /* initial max data = 10000000 */ |
|
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399 "\x00\x09\x00\x01\x03" /* initial max streams uni: 3 */ |
|
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|
400 "\x00\x08\x00\x01\x10" /* initial max streams bidi: 16 */ |
|
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|
401 "\x00\x05\x00\x02\x40\xff" /* initial max stream bidi local: 255 */ |
|
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|
402 "\x00\x06\x00\x02\x40\xff" /* initial max stream bidi remote: 255 */ |
|
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|
403 "\x00\x07\x00\x02\x40\xff"; /* initial max stream data uni: 255 */ |
|
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|
404 |
|
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|
405 qc = c->quic; |
|
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|
406 |
|
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|
407 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
|
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|
408 return NGX_ERROR; |
|
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|
409 } |
|
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|
410 |
|
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diff
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|
411 ssl_conn = c->ssl->connection; |
|
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diff
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|
412 |
|
8205
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diff
changeset
|
413 if (SSL_set_quic_transport_params(ssl_conn, params, sizeof(params) - 1) == 0) { |
|
8199
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diff
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|
414 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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diff
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|
415 "SSL_set_quic_transport_params() failed"); |
|
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diff
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|
416 return NGX_ERROR; |
|
1297dc83a6b9
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diff
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|
417 } |
|
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|
418 |
|
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|
419 n = SSL_do_handshake(ssl_conn); |
|
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|
420 |
|
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diff
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|
421 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
|
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|
422 |
|
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|
423 if (n == -1) { |
|
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|
424 sslerr = SSL_get_error(ssl_conn, n); |
|
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|
425 |
|
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|
426 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
|
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|
427 sslerr); |
|
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|
428 } |
|
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|
429 |
|
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|
430 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
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|
431 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", |
|
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|
432 (int) SSL_quic_read_level(ssl_conn), |
|
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|
433 (int) SSL_quic_write_level(ssl_conn)); |
|
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|
434 |
|
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|
435 return NGX_OK; |
|
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|
436 } |
|
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|
437 |
|
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|
438 |
| 8225 | 439 static void |
| 440 ngx_quic_handshake_handler(ngx_event_t *rev) | |
|
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diff
changeset
|
441 { |
| 8225 | 442 ssize_t n; |
| 443 ngx_buf_t b; | |
| 444 ngx_connection_t *c; | |
|
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diff
changeset
|
445 |
| 8225 | 446 u_char buf[512]; |
|
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changeset
|
447 |
| 8225 | 448 b.start = buf; |
| 449 b.end = buf + 512; | |
| 450 b.pos = b.last = b.start; | |
|
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diff
changeset
|
451 |
| 8225 | 452 c = rev->data; |
|
8211
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Stream "connection" read/write methods.
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diff
changeset
|
453 |
| 8225 | 454 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
|
455 |
| 8225 | 456 if (rev->timedout) { |
| 457 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 458 ngx_quic_close_connection(c); | |
| 459 return; | |
|
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
460 } |
|
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
461 |
| 8225 | 462 if (c->close) { |
| 463 ngx_quic_close_connection(c); | |
| 464 return; | |
| 465 } | |
|
8220
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
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parents:
8218
diff
changeset
|
466 |
| 8225 | 467 n = c->recv(c, b.start, b.end - b.start); |
| 8215 | 468 |
| 8225 | 469 if (n == NGX_AGAIN) { |
| 470 return; | |
|
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changeset
|
471 } |
|
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parents:
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diff
changeset
|
472 |
| 8225 | 473 if (n == NGX_ERROR) { |
| 474 c->read->eof = 1; | |
| 475 ngx_quic_close_connection(c); | |
| 476 return; | |
|
8199
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Generic payload handler for quic packets.
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diff
changeset
|
477 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
478 |
| 8225 | 479 b.last += n; |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
480 |
| 8225 | 481 if (ngx_quic_input(c, &b) != NGX_OK) { |
| 482 ngx_quic_close_connection(c); | |
| 483 return; | |
| 484 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
485 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
486 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
487 |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
488 static void |
| 8225 | 489 ngx_quic_close_connection(ngx_connection_t *c) |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
490 { |
| 8225 | 491 ngx_pool_t *pool; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
492 |
| 8225 | 493 /* XXX wait for all streams to close */ |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
494 |
| 8225 | 495 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 496 "close quic connection: %d", c->fd); | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
497 |
| 8225 | 498 if (c->ssl) { |
| 499 (void) ngx_ssl_shutdown(c); | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
500 } |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
501 |
| 8225 | 502 #if (NGX_STAT_STUB) |
| 503 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
| 504 #endif | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
505 |
| 8225 | 506 c->destroyed = 1; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
507 |
| 8225 | 508 pool = c->pool; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
509 |
| 8225 | 510 ngx_close_connection(c); |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
511 |
| 8225 | 512 ngx_destroy_pool(pool); |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
513 } |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
514 |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
515 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
516 static ngx_int_t |
| 8225 | 517 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
|
518 { |
| 8225 | 519 u_char *p; |
| 520 ngx_int_t rc; | |
| 521 ngx_quic_header_t pkt; | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
522 |
| 8225 | 523 if (c->quic == NULL) { |
| 524 // XXX: possible? | |
| 525 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
|
526 return NGX_ERROR; |
|
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
527 } |
|
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
528 |
| 8225 | 529 p = b->start; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
530 |
| 8225 | 531 do { |
| 532 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 533 pkt.raw = b; | |
| 534 pkt.data = p; | |
| 535 pkt.len = b->last - p; | |
| 536 pkt.log = c->log; | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
537 |
| 8225 | 538 if (p[0] == 0) { |
| 539 /* XXX: no idea WTF is this, just ignore */ | |
| 540 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
| 541 break; | |
| 542 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
543 |
| 8225 | 544 // TODO: check current state |
| 545 if (p[0] & NGX_QUIC_PKT_LONG) { | |
| 546 | |
| 547 if ((p[0] & 0xf0) == NGX_QUIC_PKT_INITIAL) { | |
| 548 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
|
549 |
| 8225 | 550 } else if ((p[0] & 0xf0) == NGX_QUIC_PKT_HANDSHAKE) { |
| 551 rc = ngx_quic_handshake_input(c, &pkt); | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
552 |
| 8225 | 553 } else { |
| 554 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 555 "BUG: unknown quic state"); | |
| 556 return NGX_ERROR; | |
| 557 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
558 |
| 8225 | 559 } else { |
| 560 rc = ngx_quic_app_input(c, &pkt); | |
| 561 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
562 |
| 8225 | 563 if (rc == NGX_ERROR) { |
| 564 return NGX_ERROR; | |
| 565 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
566 |
| 8225 | 567 /* b->pos is at header end, adjust by actual packet length */ |
| 568 p = b->pos + pkt.len; | |
| 569 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
|
570 |
| 8225 | 571 } while (p < b->last); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
572 |
| 8225 | 573 return NGX_OK; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
574 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
575 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
576 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
577 static ngx_int_t |
| 8223 | 578 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
| 579 { | |
| 580 ngx_ssl_conn_t *ssl_conn; | |
| 581 ngx_quic_connection_t *qc; | |
| 582 | |
| 583 qc = c->quic; | |
| 584 ssl_conn = c->ssl->connection; | |
| 585 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
586 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
| 8223 | 587 return NGX_ERROR; |
| 588 } | |
| 589 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
590 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 8223 | 591 return NGX_ERROR; |
| 592 } | |
| 593 | |
| 594 pkt->secret = &qc->secrets.client.in; | |
| 595 pkt->level = ssl_encryption_initial; | |
| 596 | |
| 597 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
| 598 return NGX_ERROR; | |
| 599 } | |
| 600 | |
| 601 return ngx_quic_payload_handler(c, pkt); | |
| 602 } | |
| 603 | |
| 604 | |
| 605 static ngx_int_t | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
606 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
|
607 { |
|
8188
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8187
diff
changeset
|
608 ngx_ssl_conn_t *ssl_conn; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
609 ngx_quic_connection_t *qc; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
610 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
611 qc = c->quic; |
|
8188
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8187
diff
changeset
|
612 ssl_conn = c->ssl->connection; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
613 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
614 /* 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
|
615 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
|
616 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
617 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
618 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
619 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
|
620 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
|
621 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
622 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
623 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
624 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
|
625 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
|
626 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
627 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
628 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
629 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
|
630 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
|
631 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
632 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
633 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
634 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
|
635 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
|
636 return NGX_ERROR; |
|
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 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
639 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_HANDSHAKE) { |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
640 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
|
641 "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
|
642 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
643 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
644 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
645 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
|
646 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
647 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
648 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
649 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
|
650 pkt->level = ssl_encryption_handshake; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
651 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
652 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
|
653 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
654 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
655 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
656 return ngx_quic_payload_handler(c, pkt); |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
657 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
658 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
659 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
660 static ngx_int_t |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
661 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
|
662 { |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
663 ngx_quic_connection_t *qc; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
664 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
665 qc = c->quic; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
666 |
| 8223 | 667 if (qc->secrets.client.ad.key.len == 0) { |
| 668 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 669 "no read keys yet, packet ignored"); | |
| 670 return NGX_DECLINED; | |
| 671 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
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_short_header(pkt, &qc->dcid) != NGX_OK) { |
|
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
674 return NGX_ERROR; |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
675 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
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.ad; |
|
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_application; |
|
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) { |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
681 return NGX_ERROR; |
|
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
682 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
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); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
685 } |
| 8171 | 686 |
| 687 | |
| 8225 | 688 static ngx_int_t |
| 689 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
| 690 { | |
| 691 u_char *end, *p; | |
| 692 ssize_t len; | |
| 693 ngx_uint_t ack_this, do_close; | |
| 694 ngx_quic_frame_t frame, *ack_frame; | |
| 695 ngx_quic_connection_t *qc; | |
| 696 | |
| 697 qc = c->quic; | |
| 698 | |
| 699 p = pkt->payload.data; | |
| 700 end = p + pkt->payload.len; | |
| 701 | |
| 702 ack_this = 0; | |
| 703 do_close = 0; | |
| 704 | |
| 705 while (p < end) { | |
| 706 | |
| 707 len = ngx_quic_parse_frame(p, end, &frame); | |
| 708 if (len < 0) { | |
| 709 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 710 "failed to parse frame type %xi", frame.type); | |
| 711 return NGX_ERROR; | |
| 712 } | |
| 713 | |
| 714 p += len; | |
| 715 | |
| 716 switch (frame.type) { | |
| 717 | |
| 718 case NGX_QUIC_FT_ACK: | |
| 719 | |
| 720 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 721 "ACK: { largest=%ui delay=%ui first=%ui count=%ui}", | |
| 722 frame.u.ack.largest, | |
| 723 frame.u.ack.delay, | |
| 724 frame.u.ack.first_range, | |
| 725 frame.u.ack.range_count); | |
| 726 | |
| 727 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
| 728 return NGX_ERROR; | |
| 729 } | |
| 730 | |
| 731 break; | |
| 732 | |
| 733 case NGX_QUIC_FT_CRYPTO: | |
| 734 | |
| 735 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 736 "quic CRYPTO frame length: %uL off:%uL pp:%p", | |
| 737 frame.u.crypto.len, frame.u.crypto.offset, | |
| 738 frame.u.crypto.data); | |
| 739 | |
| 740 ngx_quic_hexdump0(c->log, "CRYPTO frame contents", | |
| 741 frame.u.crypto.data, frame.u.crypto.len); | |
| 742 | |
| 743 | |
| 744 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
| 745 != NGX_OK) | |
| 746 { | |
| 747 return NGX_ERROR; | |
| 748 } | |
| 749 | |
| 750 ack_this = 1; | |
| 751 break; | |
| 752 | |
| 753 case NGX_QUIC_FT_PADDING: | |
| 754 break; | |
| 755 | |
| 756 case NGX_QUIC_FT_PING: | |
| 757 ack_this = 1; | |
| 758 break; | |
| 759 | |
| 760 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
| 761 ack_this = 1; | |
| 762 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 763 "NCID: { seq=%ui retire=%ui len=%ui}", | |
| 764 frame.u.ncid.seqnum, | |
| 765 frame.u.ncid.retire, | |
| 766 frame.u.ncid.len); | |
| 767 break; | |
| 768 | |
| 769 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
| 770 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 771 "CONN.CLOSE: { %s (0x%xi) type=0x%xi reason='%V'}", | |
| 772 ngx_quic_error_text(frame.u.close.error_code), | |
| 773 frame.u.close.error_code, | |
| 774 frame.u.close.frame_type, | |
| 775 &frame.u.close.reason); | |
| 776 | |
| 777 do_close = 1; | |
| 778 break; | |
| 779 | |
| 780 case NGX_QUIC_FT_STREAM0: | |
| 781 case NGX_QUIC_FT_STREAM1: | |
| 782 case NGX_QUIC_FT_STREAM2: | |
| 783 case NGX_QUIC_FT_STREAM3: | |
| 784 case NGX_QUIC_FT_STREAM4: | |
| 785 case NGX_QUIC_FT_STREAM5: | |
| 786 case NGX_QUIC_FT_STREAM6: | |
| 787 case NGX_QUIC_FT_STREAM7: | |
| 788 | |
| 789 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 790 "STREAM frame { 0x%xi id 0x%xi offset 0x%xi len 0x%xi bits:off=%d len=%d fin=%d }", | |
| 791 frame.type, | |
| 792 frame.u.stream.stream_id, | |
| 793 frame.u.stream.offset, | |
| 794 frame.u.stream.length, | |
| 795 frame.u.stream.off, | |
| 796 frame.u.stream.len, | |
| 797 frame.u.stream.fin); | |
| 798 | |
| 799 ngx_quic_hexdump0(c->log, "STREAM frame contents", | |
| 800 frame.u.stream.data, frame.u.stream.length); | |
| 801 | |
| 802 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
| 803 != NGX_OK) | |
| 804 { | |
| 805 return NGX_ERROR; | |
| 806 } | |
| 807 | |
| 808 ack_this = 1; | |
| 809 break; | |
| 810 | |
| 811 default: | |
| 812 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 813 "unsupported frame type 0x%xd in packet", frame.type); | |
| 814 return NGX_ERROR; | |
| 815 } | |
| 816 } | |
| 817 | |
| 818 if (p != end) { | |
| 819 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 820 "trailing garbage in payload: %ui bytes", end - p); | |
| 821 return NGX_ERROR; | |
| 822 } | |
| 823 | |
| 824 if (do_close) { | |
| 825 // TODO: handle stream close | |
| 826 } | |
| 827 | |
| 828 if (ack_this == 0) { | |
| 829 /* do not ack packets with ACKs and PADDING */ | |
| 830 return NGX_OK; | |
| 831 } | |
| 832 | |
| 833 // packet processed, ACK it now if required | |
| 834 // TODO: if (ack_required) ... - currently just ack each packet | |
| 835 | |
| 836 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
| 837 if (ack_frame == NULL) { | |
| 838 return NGX_ERROR; | |
| 839 } | |
| 840 | |
| 841 ack_frame->level = pkt->level; | |
| 842 ack_frame->type = NGX_QUIC_FT_ACK; | |
| 843 ack_frame->u.ack.pn = pkt->pn; | |
| 844 | |
| 845 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
| 846 ngx_quic_queue_frame(qc, ack_frame); | |
| 847 | |
| 848 return ngx_quic_output(c); | |
| 849 } | |
| 850 | |
| 851 | |
| 852 static ngx_int_t | |
| 853 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 854 ngx_quic_ack_frame_t *f) | |
| 855 { | |
| 856 /* TODO: handle ACK here */ | |
| 857 return NGX_OK; | |
| 858 } | |
| 859 | |
| 860 | |
| 861 static ngx_int_t | |
| 862 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 863 ngx_quic_crypto_frame_t *f) | |
| 864 { | |
| 865 int sslerr; | |
| 866 ssize_t n; | |
| 867 ngx_ssl_conn_t *ssl_conn; | |
| 868 | |
| 869 if (f->offset != 0x0) { | |
| 870 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 871 "crypto frame with non-zero offset"); | |
| 872 // TODO: add support for crypto frames spanning packets | |
| 873 return NGX_ERROR; | |
| 874 } | |
| 875 | |
| 876 ssl_conn = c->ssl->connection; | |
| 877 | |
| 878 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 879 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 880 (int) SSL_quic_read_level(ssl_conn), | |
| 881 (int) SSL_quic_write_level(ssl_conn)); | |
| 882 | |
| 883 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
| 884 f->data, f->len)) | |
| 885 { | |
| 886 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
| 887 "SSL_provide_quic_data() failed"); | |
| 888 return NGX_ERROR; | |
| 889 } | |
| 890 | |
| 891 n = SSL_do_handshake(ssl_conn); | |
| 892 | |
| 893 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
| 894 | |
| 895 if (n == -1) { | |
| 896 sslerr = SSL_get_error(ssl_conn, n); | |
| 897 | |
| 898 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
| 899 sslerr); | |
| 900 | |
| 901 if (sslerr == SSL_ERROR_SSL) { | |
| 902 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
| 903 } | |
| 904 } | |
| 905 | |
| 906 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 907 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
| 908 | |
| 909 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 910 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 911 (int) SSL_quic_read_level(ssl_conn), | |
| 912 (int) SSL_quic_write_level(ssl_conn)); | |
| 913 | |
| 914 return NGX_OK; | |
| 915 } | |
| 916 | |
| 917 | |
| 918 static ngx_int_t | |
| 919 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 920 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
| 921 { | |
| 922 ngx_buf_t *b; | |
| 923 ngx_quic_connection_t *qc; | |
| 924 ngx_quic_stream_node_t *sn; | |
| 925 | |
| 926 qc = c->quic; | |
| 927 | |
| 928 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
| 929 | |
| 930 if (sn) { | |
| 931 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
| 932 b = sn->b; | |
| 933 | |
| 934 if ((size_t) (b->end - b->pos) < f->length) { | |
| 935 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
| 936 return NGX_ERROR; | |
| 937 } | |
| 938 | |
| 939 ngx_memcpy(b->pos, f->data, f->length); | |
| 940 b->pos += f->length; | |
| 941 | |
| 942 // TODO: notify | |
| 943 | |
| 944 return NGX_OK; | |
| 945 } | |
| 946 | |
| 947 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
| 948 | |
|
8229
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
949 sn = ngx_quic_create_stream(c, f->stream_id); |
| 8225 | 950 if (sn == NULL) { |
| 951 return NGX_ERROR; | |
| 952 } | |
| 953 | |
| 954 b = sn->b; | |
| 955 | |
| 956 ngx_memcpy(b->start, f->data, f->length); | |
| 957 b->last = b->start + f->length; | |
| 958 | |
| 959 qc->streams.handler(sn->c); | |
| 960 | |
| 961 return NGX_OK; | |
| 962 } | |
| 963 | |
| 964 | |
| 965 static void | |
| 966 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
| 967 { | |
| 968 ngx_quic_frame_t *f; | |
| 969 | |
| 970 if (qc->frames == NULL) { | |
| 971 qc->frames = frame; | |
| 972 return; | |
| 973 } | |
| 974 | |
| 975 for (f = qc->frames; f->next; f = f->next) { | |
| 976 if (f->next->level > frame->level) { | |
| 977 break; | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 frame->next = f->next; | |
| 982 f->next = frame; | |
| 983 } | |
| 984 | |
| 985 | |
| 986 static ngx_int_t | |
| 987 ngx_quic_output(ngx_connection_t *c) | |
| 988 { | |
| 989 size_t len; | |
| 990 ngx_uint_t lvl; | |
| 991 ngx_quic_frame_t *f, *start; | |
| 992 ngx_quic_connection_t *qc; | |
| 993 | |
| 994 qc = c->quic; | |
| 995 | |
| 996 if (qc->frames == NULL) { | |
| 997 return NGX_OK; | |
| 998 } | |
| 999 | |
| 1000 lvl = qc->frames->level; | |
| 1001 start = qc->frames; | |
| 1002 f = start; | |
| 1003 | |
| 1004 do { | |
| 1005 len = 0; | |
| 1006 | |
| 1007 do { | |
| 1008 /* process same-level group of frames */ | |
| 1009 | |
| 1010 len += ngx_quic_frame_len(f);// TODO: handle overflow, max size | |
| 1011 | |
| 1012 f = f->next; | |
| 1013 } while (f && f->level == lvl); | |
| 1014 | |
| 1015 | |
| 1016 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
| 1017 return NGX_ERROR; | |
| 1018 } | |
| 1019 | |
| 1020 if (f == NULL) { | |
| 1021 break; | |
| 1022 } | |
| 1023 | |
| 1024 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
| 1025 start = f; | |
| 1026 | |
| 1027 } while (1); | |
| 1028 | |
| 1029 qc->frames = NULL; | |
| 1030 | |
| 1031 return NGX_OK; | |
| 1032 } | |
| 1033 | |
| 1034 | |
| 1035 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
| 1036 ngx_int_t | |
| 1037 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 1038 ngx_quic_frame_t *end, size_t total) | |
| 1039 { | |
| 1040 ssize_t len; | |
| 1041 u_char *p; | |
| 1042 ngx_str_t out; | |
| 1043 ngx_quic_frame_t *f; | |
| 1044 | |
| 1045 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1046 "sending frames %p...%p", start, end); | |
| 1047 | |
| 1048 p = ngx_pnalloc(c->pool, total); | |
| 1049 if (p == NULL) { | |
| 1050 return NGX_ERROR; | |
| 1051 } | |
| 1052 | |
| 1053 out.data = p; | |
| 1054 | |
| 1055 for (f = start; f != end; f = f->next) { | |
| 1056 | |
| 1057 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
| 1058 | |
| 1059 len = ngx_quic_create_frame(p, p + total, f); | |
| 1060 if (len == -1) { | |
| 1061 return NGX_ERROR; | |
| 1062 } | |
| 1063 | |
| 1064 p += len; | |
| 1065 } | |
| 1066 | |
| 1067 out.len = p - out.data; | |
| 1068 | |
| 1069 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1070 "packet ready: %ui bytes at level %d", | |
| 1071 out.len, start->level); | |
| 1072 | |
| 1073 // IOVEC/sendmsg_chain ? | |
| 1074 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
| 1075 return NGX_ERROR; | |
| 1076 } | |
| 1077 | |
| 1078 return NGX_OK; | |
| 1079 } | |
| 1080 | |
| 1081 | |
| 1082 static ngx_int_t | |
| 1083 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
| 1084 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
| 1085 { | |
| 1086 ngx_str_t res; | |
| 1087 ngx_quic_header_t pkt; | |
| 1088 | |
| 1089 pkt.log = c->log; | |
| 1090 | |
| 1091 static ngx_str_t initial_token = ngx_null_string; | |
| 1092 | |
| 1093 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 1094 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
| 1095 | |
| 1096 pkt.level = level; | |
| 1097 pkt.dcid = qc->dcid; | |
| 1098 pkt.scid = qc->scid; | |
| 1099 | |
| 1100 if (level == ssl_encryption_initial) { | |
| 1101 pkt.number = &qc->initial_pn; | |
| 1102 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
| 1103 pkt.secret = &qc->secrets.server.in; | |
| 1104 pkt.token = initial_token; | |
| 1105 | |
| 1106 } else if (level == ssl_encryption_handshake) { | |
| 1107 pkt.number = &qc->handshake_pn; | |
| 1108 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
| 1109 pkt.secret = &qc->secrets.server.hs; | |
| 1110 | |
| 1111 } else { | |
| 1112 pkt.number = &qc->appdata_pn; | |
| 1113 pkt.secret = &qc->secrets.server.ad; | |
| 1114 } | |
| 1115 | |
| 1116 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
| 1117 != NGX_OK) | |
| 1118 { | |
| 1119 return NGX_ERROR; | |
| 1120 } | |
| 1121 | |
| 1122 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
| 1123 | |
| 1124 c->send(c, res.data, res.len); // TODO: err handling | |
| 1125 | |
| 1126 (*pkt.number)++; | |
| 1127 | |
| 1128 return NGX_OK; | |
| 1129 } | |
| 1130 | |
| 1131 | |
| 1132 ngx_connection_t * | |
| 1133 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
| 1134 { | |
|
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1135 ngx_uint_t id; |
|
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|
1136 ngx_quic_stream_t *qs; |
|
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|
1137 ngx_quic_connection_t *qc; |
|
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|
1138 ngx_quic_stream_node_t *sn; |
|
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|
1139 |
|
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|
1140 qs = c->qs; |
|
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|
1141 qc = qs->parent->quic; |
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1142 |
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|
1143 /* |
|
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Implemented creation of server unidirectional streams.
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1144 * A stream ID is a 62-bit integer that is unique for all streams |
|
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|
1145 * on a connection. |
|
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|
1146 * |
|
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|
1147 * 0x3 | Server-Initiated, Unidirectional |
|
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1148 */ |
|
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1149 id = (qc->streams.id_counter << 2) | 0x3; |
|
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1150 |
|
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|
1151 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
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1152 "creating server uni stream #%ui id %ui", |
|
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|
1153 qc->streams.id_counter, id); |
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|
1154 |
|
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|
1155 qc->streams.id_counter++; |
|
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|
1156 |
|
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|
1157 sn = ngx_quic_create_stream(qs->parent, id); |
|
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|
1158 if (sn == NULL) { |
|
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|
1159 return NULL; |
|
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|
1160 } |
|
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|
1161 |
|
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|
1162 return sn->c; |
| 8225 | 1163 } |
| 1164 | |
| 1165 | |
| 1166 static void | |
| 1167 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 1168 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
| 1169 { | |
| 1170 ngx_rbtree_node_t **p; | |
| 1171 ngx_quic_stream_node_t *qn, *qnt; | |
| 1172 | |
| 1173 for ( ;; ) { | |
| 1174 | |
| 1175 if (node->key < temp->key) { | |
| 1176 | |
| 1177 p = &temp->left; | |
| 1178 | |
| 1179 } else if (node->key > temp->key) { | |
| 1180 | |
| 1181 p = &temp->right; | |
| 1182 | |
| 1183 } else { /* node->key == temp->key */ | |
| 1184 | |
| 1185 qn = (ngx_quic_stream_node_t *) &node->color; | |
| 1186 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
| 1187 | |
| 1188 if (qn->c < qnt->c) { | |
| 1189 p = &temp->left; | |
| 1190 } else { | |
| 1191 p = &temp->right; | |
| 1192 } | |
| 1193 } | |
| 1194 | |
| 1195 if (*p == sentinel) { | |
| 1196 break; | |
| 1197 } | |
| 1198 | |
| 1199 temp = *p; | |
| 1200 } | |
| 1201 | |
| 1202 *p = node; | |
| 1203 node->parent = temp; | |
| 1204 node->left = sentinel; | |
| 1205 node->right = sentinel; | |
| 1206 ngx_rbt_red(node); | |
| 1207 } | |
| 1208 | |
| 1209 | |
| 1210 static ngx_quic_stream_node_t * | |
| 1211 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
| 1212 { | |
| 1213 ngx_rbtree_node_t *node, *sentinel; | |
| 1214 | |
| 1215 node = rbtree->root; | |
| 1216 sentinel = rbtree->sentinel; | |
| 1217 | |
| 1218 while (node != sentinel) { | |
| 1219 | |
| 1220 if (key == node->key) { | |
| 1221 return (ngx_quic_stream_node_t *) node; | |
| 1222 } | |
| 1223 | |
| 1224 node = (key < node->key) ? node->left : node->right; | |
| 1225 } | |
| 1226 | |
| 1227 return NULL; | |
| 1228 } | |
| 1229 | |
| 1230 | |
|
8229
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Vladimir Homutov <vl@nginx.com>
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|
1231 static ngx_quic_stream_node_t * |
|
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|
1232 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
|
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|
1233 { |
|
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|
1234 ngx_log_t *log; |
|
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|
1235 ngx_pool_t *pool; |
|
cfc429911c0d
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|
1236 ngx_event_t *rev, *wev; |
|
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|
1237 ngx_quic_connection_t *qc; |
|
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|
1238 ngx_quic_stream_node_t *sn; |
|
cfc429911c0d
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|
1239 |
|
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|
1240 qc = c->quic; |
|
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|
1241 |
|
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|
1242 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
|
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|
1243 if (sn == NULL) { |
|
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|
1244 return NULL; |
|
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|
1245 } |
|
cfc429911c0d
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|
1246 |
|
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|
1247 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
|
cfc429911c0d
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|
1248 if (sn->c == NULL) { |
|
cfc429911c0d
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|
1249 return NULL; |
|
cfc429911c0d
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|
1250 } |
|
cfc429911c0d
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|
1251 |
|
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|
1252 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
|
cfc429911c0d
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|
1253 if (pool == NULL) { |
|
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diff
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|
1254 /* XXX free connection */ |
|
cfc429911c0d
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diff
changeset
|
1255 // TODO: add pool cleanup handdler |
|
cfc429911c0d
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|
1256 return NULL; |
|
cfc429911c0d
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|
1257 } |
|
cfc429911c0d
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|
1258 |
|
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diff
changeset
|
1259 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
|
cfc429911c0d
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|
1260 if (log == NULL) { |
|
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changeset
|
1261 /* XXX free pool and connection */ |
|
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|
1262 return NULL; |
|
cfc429911c0d
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|
1263 } |
|
cfc429911c0d
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|
1264 |
|
cfc429911c0d
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changeset
|
1265 *log = *c->log; |
|
cfc429911c0d
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|
1266 pool->log = log; |
|
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|
1267 |
|
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|
1268 sn->c->log = log; |
|
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|
1269 sn->c->pool = pool; |
|
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|
1270 |
|
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|
1271 sn->c->listening = c->listening; |
|
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|
1272 sn->c->sockaddr = c->sockaddr; |
|
cfc429911c0d
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|
1273 sn->c->local_sockaddr = c->local_sockaddr; |
|
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|
1274 |
|
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|
1275 rev = sn->c->read; |
|
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|
1276 wev = sn->c->write; |
|
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|
1277 |
|
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changeset
|
1278 rev->ready = 1; |
|
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changeset
|
1279 |
|
cfc429911c0d
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changeset
|
1280 rev->log = c->log; |
|
cfc429911c0d
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|
1281 wev->log = c->log; |
|
cfc429911c0d
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changeset
|
1282 |
|
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changeset
|
1283 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
|
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|
1284 |
|
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diff
changeset
|
1285 sn->node.key =id; |
|
cfc429911c0d
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changeset
|
1286 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
|
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changeset
|
1287 if (sn->b == NULL) { |
|
cfc429911c0d
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|
1288 return NULL; |
|
cfc429911c0d
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diff
changeset
|
1289 } |
|
cfc429911c0d
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changeset
|
1290 |
|
cfc429911c0d
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changeset
|
1291 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
|
cfc429911c0d
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|
1292 |
|
cfc429911c0d
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changeset
|
1293 sn->s.id = id; |
|
cfc429911c0d
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changeset
|
1294 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
|
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changeset
|
1295 sn->s.parent = c; |
|
cfc429911c0d
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changeset
|
1296 sn->c->qs = &sn->s; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1297 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
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1298 sn->c->recv = ngx_quic_stream_recv; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1299 sn->c->send = ngx_quic_stream_send; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1300 sn->c->send_chain = ngx_quic_stream_send_chain; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1301 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
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1302 return sn; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1303 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1304 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
8225
diff
changeset
|
1305 |
| 8225 | 1306 static ssize_t |
| 1307 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1308 { | |
| 1309 ssize_t len; | |
| 1310 ngx_buf_t *b; | |
| 1311 ngx_quic_stream_t *qs; | |
| 1312 ngx_quic_connection_t *qc; | |
| 1313 ngx_quic_stream_node_t *sn; | |
| 1314 | |
| 1315 qs = c->qs; | |
| 1316 qc = qs->parent->quic; | |
| 1317 | |
| 1318 // XXX: get direct pointer from stream structure? | |
| 1319 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1320 | |
| 1321 if (sn == NULL) { | |
| 1322 return NGX_ERROR; | |
| 1323 } | |
| 1324 | |
| 1325 // XXX: how to return EOF? | |
| 1326 | |
| 1327 b = sn->b; | |
| 1328 | |
| 1329 if (b->last - b->pos == 0) { | |
| 1330 c->read->ready = 0; | |
| 1331 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1332 "quic recv() not ready"); | |
| 1333 return NGX_AGAIN; // ? | |
| 1334 } | |
| 1335 | |
| 1336 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
| 1337 | |
| 1338 ngx_memcpy(buf, b->pos, len); | |
| 1339 | |
| 1340 b->pos += len; | |
| 1341 | |
| 1342 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1343 "quic recv: %z of %uz", len, size); | |
| 1344 | |
| 1345 return len; | |
| 1346 } | |
| 1347 | |
| 1348 | |
| 1349 static ssize_t | |
| 1350 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1351 { | |
| 1352 u_char *p; | |
| 1353 ngx_connection_t *pc; | |
| 1354 ngx_quic_frame_t *frame; | |
| 1355 ngx_quic_stream_t *qs; | |
| 1356 ngx_quic_connection_t *qc; | |
| 1357 ngx_quic_stream_node_t *sn; | |
| 1358 | |
| 1359 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
| 1360 | |
| 1361 qs = c->qs; | |
| 1362 pc = qs->parent; | |
| 1363 qc = pc->quic; | |
| 1364 | |
| 1365 // XXX: get direct pointer from stream structure? | |
| 1366 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1367 | |
| 1368 if (sn == NULL) { | |
| 1369 return NGX_ERROR; | |
| 1370 } | |
| 1371 | |
| 1372 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
| 1373 if (frame == NULL) { | |
| 1374 return 0; | |
| 1375 } | |
| 1376 | |
| 1377 p = ngx_pnalloc(pc->pool, size); | |
| 1378 if (p == NULL) { | |
| 1379 return 0; | |
| 1380 } | |
| 1381 | |
| 1382 ngx_memcpy(p, buf, size); | |
| 1383 | |
| 1384 frame->level = ssl_encryption_application; | |
| 1385 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
| 1386 frame->u.stream.off = 1; | |
| 1387 frame->u.stream.len = 1; | |
| 1388 frame->u.stream.fin = 0; | |
| 1389 | |
| 1390 frame->u.stream.type = frame->type; | |
| 1391 frame->u.stream.stream_id = qs->id; | |
| 1392 frame->u.stream.offset = c->sent; | |
| 1393 frame->u.stream.length = size; | |
| 1394 frame->u.stream.data = p; | |
| 1395 | |
| 1396 c->sent += size; | |
| 1397 | |
| 1398 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
| 1399 qs->id, size, frame->level); | |
| 1400 | |
| 1401 ngx_quic_queue_frame(qc, frame); | |
| 1402 | |
| 1403 return size; | |
| 1404 } | |
| 1405 | |
| 1406 | |
| 1407 static ngx_chain_t * | |
| 1408 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
| 1409 off_t limit) | |
| 1410 { | |
| 1411 size_t len; | |
| 1412 ssize_t n; | |
| 1413 ngx_buf_t *b; | |
| 1414 | |
| 1415 for ( /* void */; in; in = in->next) { | |
| 1416 b = in->buf; | |
| 1417 | |
| 1418 if (!ngx_buf_in_memory(b)) { | |
| 1419 continue; | |
| 1420 } | |
| 1421 | |
| 1422 if (ngx_buf_size(b) == 0) { | |
| 1423 continue; | |
| 1424 } | |
| 1425 | |
| 1426 len = b->last - b->pos; | |
| 1427 | |
| 1428 n = ngx_quic_stream_send(c, b->pos, len); | |
| 1429 | |
| 1430 if (n == NGX_ERROR) { | |
| 1431 return NGX_CHAIN_ERROR; | |
| 1432 } | |
| 1433 | |
| 1434 if (n == NGX_AGAIN) { | |
| 1435 return in; | |
| 1436 } | |
| 1437 | |
| 1438 if (n != (ssize_t) len) { | |
| 1439 b->pos += n; | |
| 1440 return in; | |
| 1441 } | |
| 1442 } | |
| 1443 | |
| 1444 return NULL; | |
| 1445 } |