Mercurial > hg > nginx
annotate src/event/ngx_event_quic.c @ 8237:ff540f13d95d quic
MAX_DATA frame parser/handler.
| author | Sergey Kandaurov <pluknet@nginx.com> |
|---|---|
| date | Wed, 18 Mar 2020 23:26:26 +0300 |
| parents | d3b26c3bea22 |
| children | 5ad7bffd3850 |
| rev | line source |
|---|---|
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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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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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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; |
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MAX_DATA frame parser/handler.
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45 ngx_uint_t max_data; |
| 8225 | 46 }; |
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47 |
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48 |
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49 #if BORINGSSL_API_VERSION >= 10 |
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50 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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51 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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52 const uint8_t *secret, size_t secret_len); |
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53 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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54 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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55 const uint8_t *secret, size_t secret_len); |
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56 #else |
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57 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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58 enum ssl_encryption_level_t level, const uint8_t *read_secret, |
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59 const uint8_t *write_secret, size_t secret_len); |
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60 #endif |
| 8225 | 61 |
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62 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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63 enum ssl_encryption_level_t level, const uint8_t *data, size_t len); |
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64 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn); |
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65 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, |
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66 enum ssl_encryption_level_t level, uint8_t alert); |
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67 |
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68 |
| 8225 | 69 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
| 70 ngx_quic_header_t *pkt); | |
| 71 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c); | |
| 72 static void ngx_quic_handshake_handler(ngx_event_t *rev); | |
| 73 static void ngx_quic_close_connection(ngx_connection_t *c); | |
| 74 | |
| 75 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b); | |
| 76 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c, | |
| 77 ngx_quic_header_t *pkt); | |
| 78 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c, | |
| 79 ngx_quic_header_t *pkt); | |
| 80 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c, | |
| 81 ngx_quic_header_t *pkt); | |
| 82 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c, | |
| 83 ngx_quic_header_t *pkt); | |
| 84 | |
| 85 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c, | |
| 86 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f); | |
| 87 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c, | |
| 88 ngx_quic_header_t *pkt, ngx_quic_crypto_frame_t *frame); | |
| 89 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 90 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *frame); | |
| 91 | |
| 92 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc, | |
| 93 ngx_quic_frame_t *frame); | |
| 94 | |
| 95 static ngx_int_t ngx_quic_output(ngx_connection_t *c); | |
| 96 ngx_int_t ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 97 ngx_quic_frame_t *end, size_t total); | |
| 98 static ngx_int_t ngx_quic_send_packet(ngx_connection_t *c, | |
| 99 ngx_quic_connection_t *qc, enum ssl_encryption_level_t level, | |
| 100 ngx_str_t *payload); | |
| 101 | |
| 102 | |
| 103 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 104 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); | |
| 105 static ngx_quic_stream_node_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree, | |
| 106 ngx_uint_t key); | |
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107 static ngx_quic_stream_node_t *ngx_quic_create_stream(ngx_connection_t *c, |
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108 ngx_uint_t id); |
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109 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, |
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110 size_t size); |
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111 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, |
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112 size_t size); |
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113 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c, |
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114 ngx_chain_t *in, off_t limit); |
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115 |
| 8225 | 116 |
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117 static SSL_QUIC_METHOD quic_method = { |
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118 #if BORINGSSL_API_VERSION >= 10 |
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119 ngx_quic_set_read_secret, |
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120 ngx_quic_set_write_secret, |
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121 #else |
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122 ngx_quic_set_encryption_secrets, |
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123 #endif |
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124 ngx_quic_add_handshake_data, |
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125 ngx_quic_flush_flight, |
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126 ngx_quic_send_alert, |
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127 }; |
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128 |
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129 |
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130 #if BORINGSSL_API_VERSION >= 10 |
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131 |
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132 static int |
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133 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn, |
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134 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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135 const uint8_t *rsecret, size_t secret_len) |
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136 { |
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137 ngx_connection_t *c; |
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138 |
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139 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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140 |
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141 ngx_quic_hexdump(c->log, "level:%d read secret", |
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142 rsecret, secret_len, level); |
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143 |
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144 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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145 rsecret, secret_len, |
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146 &c->quic->secrets.client); |
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147 } |
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148 |
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149 |
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150 static int |
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151 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn, |
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152 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher, |
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153 const uint8_t *wsecret, size_t secret_len) |
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154 { |
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155 ngx_connection_t *c; |
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156 |
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157 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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158 |
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159 ngx_quic_hexdump(c->log, "level:%d write secret", |
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160 wsecret, secret_len, level); |
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161 |
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162 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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163 wsecret, secret_len, |
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164 &c->quic->secrets.server); |
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165 } |
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166 |
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167 #else |
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168 |
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169 static int |
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170 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn, |
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171 enum ssl_encryption_level_t level, const uint8_t *rsecret, |
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172 const uint8_t *wsecret, size_t secret_len) |
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173 { |
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174 ngx_int_t rc; |
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175 ngx_connection_t *c; |
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176 |
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177 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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178 |
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179 ngx_quic_hexdump(c->log, "level:%d read", rsecret, secret_len, level); |
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180 ngx_quic_hexdump(c->log, "level:%d write", wsecret, secret_len, level); |
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181 |
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182 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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183 rsecret, secret_len, |
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184 &c->quic->secrets.client); |
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185 if (rc != 1) { |
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186 return rc; |
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187 } |
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188 |
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189 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level, |
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190 wsecret, secret_len, |
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191 &c->quic->secrets.server); |
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192 } |
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193 |
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194 #endif |
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195 |
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196 |
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197 static int |
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198 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn, |
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199 enum ssl_encryption_level_t level, const uint8_t *data, size_t len) |
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200 { |
| 8225 | 201 u_char *p; |
| 202 ngx_quic_frame_t *frame; | |
| 203 ngx_connection_t *c; | |
| 204 ngx_quic_connection_t *qc; | |
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205 |
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206 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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207 qc = c->quic; |
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208 |
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209 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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210 "ngx_quic_add_handshake_data"); |
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211 |
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212 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
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213 if (frame == NULL) { |
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214 return 0; |
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215 } |
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216 |
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217 p = ngx_pnalloc(c->pool, len); |
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218 if (p == NULL) { |
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219 return 0; |
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220 } |
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221 |
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222 ngx_memcpy(p, data, len); |
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223 |
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224 frame->level = level; |
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225 frame->type = NGX_QUIC_FT_CRYPTO; |
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226 frame->u.crypto.len = len; |
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227 frame->u.crypto.data = p; |
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228 |
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229 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d", len, level); |
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230 |
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231 ngx_quic_queue_frame(qc, frame); |
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232 |
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233 return 1; |
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234 } |
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235 |
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236 |
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237 static int |
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238 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn) |
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239 { |
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240 ngx_connection_t *c; |
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241 |
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242 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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243 |
|
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244 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "ngx_quic_flush_flight()"); |
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245 |
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246 return 1; |
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247 } |
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248 |
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249 |
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250 static int |
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251 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level, |
|
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252 uint8_t alert) |
|
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253 { |
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254 ngx_connection_t *c; |
|
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255 ngx_quic_frame_t *frame; |
|
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256 |
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257 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn); |
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258 |
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259 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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260 "ngx_quic_send_alert(), lvl=%d, alert=%d", |
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261 (int) level, (int) alert); |
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262 |
|
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263 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); |
|
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264 if (frame == NULL) { |
|
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265 return 0; |
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266 } |
|
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267 |
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268 frame->level = level; |
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269 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE; |
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270 frame->u.close.error_code = 0x100 + alert; |
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271 |
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272 ngx_quic_queue_frame(c->quic, frame); |
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273 |
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274 if (ngx_quic_output(c) != NGX_OK) { |
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275 return 0; |
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276 } |
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277 |
|
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Moved all QUIC code into ngx_event_quic.c
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278 return 1; |
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279 } |
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280 |
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|
281 |
| 8225 | 282 void |
| 283 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_msec_t timeout, | |
| 284 ngx_connection_handler_pt handler) | |
| 285 { | |
| 286 ngx_buf_t *b; | |
| 287 ngx_quic_header_t pkt; | |
| 288 | |
| 289 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic handshake"); | |
| 290 | |
| 291 c->log->action = "QUIC handshaking"; | |
| 292 | |
| 293 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 294 | |
| 295 b = c->buffer; | |
| 296 | |
| 297 pkt.log = c->log; | |
| 298 pkt.raw = b; | |
| 299 pkt.data = b->start; | |
| 300 pkt.len = b->last - b->start; | |
| 301 | |
| 302 if (ngx_quic_new_connection(c, ssl, &pkt) != NGX_OK) { | |
| 303 ngx_quic_close_connection(c); | |
| 304 return; | |
| 305 } | |
| 306 | |
| 307 // we don't need stream handler for initial packet processing | |
| 308 c->quic->streams.handler = handler; | |
| 309 c->quic->streams.timeout = timeout; | |
| 310 | |
| 311 ngx_add_timer(c->read, timeout); | |
| 312 | |
| 313 c->read->handler = ngx_quic_handshake_handler; | |
| 314 | |
| 315 return; | |
| 316 } | |
| 317 | |
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318 |
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319 static ngx_int_t |
| 8225 | 320 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, |
| 321 ngx_quic_header_t *pkt) | |
|
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322 { |
| 8225 | 323 ngx_quic_connection_t *qc; |
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324 |
| 8225 | 325 if (ngx_buf_size(pkt->raw) < 1200) { |
| 326 ngx_log_error(NGX_LOG_INFO, c->log, 0, "too small UDP datagram"); | |
| 327 return NGX_ERROR; | |
| 328 } | |
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329 |
| 8225 | 330 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
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331 return NGX_ERROR; |
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332 } |
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333 |
| 8225 | 334 if ((pkt->flags & 0xf0) != NGX_QUIC_PKT_INITIAL) { |
| 335 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 336 "invalid initial packet: 0x%xi", pkt->flags); | |
| 337 return NGX_ERROR; | |
| 338 } | |
|
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339 |
| 8225 | 340 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 341 return NGX_ERROR; | |
| 342 } | |
|
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343 |
| 8225 | 344 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t)); |
| 345 if (qc == NULL) { | |
| 346 return NGX_ERROR; | |
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347 } |
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348 |
| 8225 | 349 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel, |
| 350 ngx_quic_rbtree_insert_stream); | |
| 351 | |
| 352 c->quic = qc; | |
| 353 qc->ssl = ssl; | |
| 354 | |
| 355 qc->dcid.len = pkt->dcid.len; | |
| 356 qc->dcid.data = ngx_pnalloc(c->pool, pkt->dcid.len); | |
| 357 if (qc->dcid.data == NULL) { | |
| 358 return NGX_ERROR; | |
| 359 } | |
| 360 ngx_memcpy(qc->dcid.data, pkt->dcid.data, qc->dcid.len); | |
| 361 | |
| 362 qc->scid.len = pkt->scid.len; | |
| 363 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len); | |
| 364 if (qc->scid.data == NULL) { | |
| 365 return NGX_ERROR; | |
| 366 } | |
| 367 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len); | |
|
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368 |
| 8225 | 369 qc->token.len = pkt->token.len; |
| 370 qc->token.data = ngx_pnalloc(c->pool, qc->token.len); | |
| 371 if (qc->token.data == NULL) { | |
| 372 return NGX_ERROR; | |
| 373 } | |
| 374 ngx_memcpy(qc->token.data, pkt->token.data, qc->token.len); | |
| 375 | |
| 376 | |
| 377 if (ngx_quic_set_initial_secret(c->pool, &qc->secrets, &qc->dcid) | |
| 378 != NGX_OK) | |
| 379 { | |
| 380 return NGX_ERROR; | |
| 381 } | |
|
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382 |
| 8225 | 383 pkt->secret = &qc->secrets.client.in; |
| 384 pkt->level = ssl_encryption_initial; | |
| 385 | |
| 386 if (ngx_quic_decrypt(c->pool, NULL, pkt) != NGX_OK) { | |
| 387 return NGX_ERROR; | |
| 388 } | |
| 389 | |
| 390 if (ngx_quic_init_connection(c) != NGX_OK) { | |
| 391 return NGX_ERROR; | |
| 392 } | |
| 393 | |
| 394 return ngx_quic_payload_handler(c, pkt); | |
|
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395 } |
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396 |
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397 |
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|
398 static ngx_int_t |
|
8221
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Split transport and crypto parts into separate files.
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399 ngx_quic_init_connection(ngx_connection_t *c) |
|
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400 { |
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401 int n, sslerr; |
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402 ngx_ssl_conn_t *ssl_conn; |
|
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403 ngx_quic_connection_t *qc; |
|
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|
404 |
|
8205
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|
405 static const uint8_t params[] = |
|
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|
406 "\x00\x29" /* parameters length: 41 bytes */ |
|
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|
407 "\x00\x0e\x00\x01\x05" /* active connection id limit: 5 */ |
|
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|
408 "\x00\x04\x00\x04\x80\x98\x96\x80" /* initial max data = 10000000 */ |
|
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|
409 "\x00\x09\x00\x01\x03" /* initial max streams uni: 3 */ |
|
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|
410 "\x00\x08\x00\x01\x10" /* initial max streams bidi: 16 */ |
|
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|
411 "\x00\x05\x00\x02\x40\xff" /* initial max stream bidi local: 255 */ |
|
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changeset
|
412 "\x00\x06\x00\x02\x40\xff" /* initial max stream bidi remote: 255 */ |
|
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|
413 "\x00\x07\x00\x02\x40\xff"; /* initial max stream data uni: 255 */ |
|
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|
414 |
|
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|
415 qc = c->quic; |
|
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|
416 |
|
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|
417 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) { |
|
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418 return NGX_ERROR; |
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|
419 } |
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|
420 |
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|
421 ssl_conn = c->ssl->connection; |
|
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|
422 |
|
8232
253cf267f95a
Moved setting QUIC methods to runtime.
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changeset
|
423 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) { |
|
253cf267f95a
Moved setting QUIC methods to runtime.
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|
424 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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Moved setting QUIC methods to runtime.
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|
425 "SSL_set_quic_method() failed"); |
|
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Moved setting QUIC methods to runtime.
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|
426 return NGX_ERROR; |
|
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Moved setting QUIC methods to runtime.
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|
427 } |
|
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|
428 |
|
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|
429 if (SSL_set_quic_transport_params(ssl_conn, params, sizeof(params) - 1) == 0) { |
|
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430 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
|
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431 "SSL_set_quic_transport_params() failed"); |
|
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432 return NGX_ERROR; |
|
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|
433 } |
|
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|
434 |
|
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|
435 n = SSL_do_handshake(ssl_conn); |
|
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|
436 |
|
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|
437 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); |
|
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|
438 |
|
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|
439 if (n == -1) { |
|
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|
440 sslerr = SSL_get_error(ssl_conn, n); |
|
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|
441 |
|
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|
442 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", |
|
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|
443 sslerr); |
|
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|
444 } |
|
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changeset
|
445 |
|
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changeset
|
446 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
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|
447 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", |
|
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changeset
|
448 (int) SSL_quic_read_level(ssl_conn), |
|
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|
449 (int) SSL_quic_write_level(ssl_conn)); |
|
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|
450 |
|
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changeset
|
451 return NGX_OK; |
|
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changeset
|
452 } |
|
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changeset
|
453 |
|
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Generic payload handler for quic packets.
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changeset
|
454 |
| 8225 | 455 static void |
| 456 ngx_quic_handshake_handler(ngx_event_t *rev) | |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
457 { |
| 8225 | 458 ssize_t n; |
| 459 ngx_buf_t b; | |
| 460 ngx_connection_t *c; | |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
461 |
| 8225 | 462 u_char buf[512]; |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
463 |
| 8225 | 464 b.start = buf; |
| 465 b.end = buf + 512; | |
| 466 b.pos = b.last = b.start; | |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
467 |
| 8225 | 468 c = rev->data; |
|
8211
6bc18966b8c1
Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents:
8209
diff
changeset
|
469 |
| 8225 | 470 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
|
471 |
| 8225 | 472 if (rev->timedout) { |
| 473 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 474 ngx_quic_close_connection(c); | |
| 475 return; | |
|
8212
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
476 } |
|
e3c0b19a3a8a
Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents:
8211
diff
changeset
|
477 |
| 8225 | 478 if (c->close) { |
| 479 ngx_quic_close_connection(c); | |
| 480 return; | |
| 481 } | |
|
8220
7ada2feeac18
Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents:
8218
diff
changeset
|
482 |
| 8225 | 483 n = c->recv(c, b.start, b.end - b.start); |
| 8215 | 484 |
| 8225 | 485 if (n == NGX_AGAIN) { |
| 486 return; | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
487 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
488 |
| 8225 | 489 if (n == NGX_ERROR) { |
| 490 c->read->eof = 1; | |
| 491 ngx_quic_close_connection(c); | |
| 492 return; | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
493 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
494 |
| 8225 | 495 b.last += n; |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
496 |
| 8225 | 497 if (ngx_quic_input(c, &b) != NGX_OK) { |
| 498 ngx_quic_close_connection(c); | |
| 499 return; | |
| 500 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
501 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
502 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
503 |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
504 static void |
| 8225 | 505 ngx_quic_close_connection(ngx_connection_t *c) |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
506 { |
| 8225 | 507 ngx_pool_t *pool; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
508 |
| 8225 | 509 /* XXX wait for all streams to close */ |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
510 |
| 8225 | 511 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 512 "close quic connection: %d", c->fd); | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
513 |
| 8225 | 514 if (c->ssl) { |
| 515 (void) ngx_ssl_shutdown(c); | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
516 } |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
517 |
| 8225 | 518 #if (NGX_STAT_STUB) |
| 519 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); | |
| 520 #endif | |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
521 |
| 8225 | 522 c->destroyed = 1; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
523 |
| 8225 | 524 pool = c->pool; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
525 |
| 8225 | 526 ngx_close_connection(c); |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
527 |
| 8225 | 528 ngx_destroy_pool(pool); |
|
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 |
|
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
531 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
532 static ngx_int_t |
| 8225 | 533 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
|
534 { |
| 8225 | 535 u_char *p; |
| 536 ngx_int_t rc; | |
| 537 ngx_quic_header_t pkt; | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
538 |
| 8225 | 539 if (c->quic == NULL) { |
| 540 // XXX: possible? | |
| 541 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
|
542 return NGX_ERROR; |
|
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
543 } |
|
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
544 |
| 8225 | 545 p = b->start; |
|
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents:
8207
diff
changeset
|
546 |
| 8225 | 547 do { |
| 548 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 549 pkt.raw = b; | |
| 550 pkt.data = p; | |
| 551 pkt.len = b->last - p; | |
| 552 pkt.log = c->log; | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
553 |
| 8225 | 554 if (p[0] == 0) { |
| 555 /* XXX: no idea WTF is this, just ignore */ | |
| 556 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "FIREFOX: ZEROES"); | |
| 557 break; | |
| 558 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
559 |
| 8225 | 560 // TODO: check current state |
| 561 if (p[0] & NGX_QUIC_PKT_LONG) { | |
| 562 | |
| 563 if ((p[0] & 0xf0) == NGX_QUIC_PKT_INITIAL) { | |
| 564 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
|
565 |
| 8225 | 566 } else if ((p[0] & 0xf0) == NGX_QUIC_PKT_HANDSHAKE) { |
| 567 rc = ngx_quic_handshake_input(c, &pkt); | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
568 |
| 8225 | 569 } else { |
| 570 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 571 "BUG: unknown quic state"); | |
| 572 return NGX_ERROR; | |
| 573 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
574 |
| 8225 | 575 } else { |
| 576 rc = ngx_quic_app_input(c, &pkt); | |
| 577 } | |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
578 |
| 8225 | 579 if (rc == NGX_ERROR) { |
| 580 return NGX_ERROR; | |
| 581 } | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
582 |
| 8225 | 583 /* b->pos is at header end, adjust by actual packet length */ |
| 584 p = b->pos + pkt.len; | |
| 585 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
|
586 |
| 8225 | 587 } while (p < b->last); |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
588 |
| 8225 | 589 return NGX_OK; |
|
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
590 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
591 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
592 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
593 static ngx_int_t |
| 8223 | 594 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt) |
| 595 { | |
| 596 ngx_ssl_conn_t *ssl_conn; | |
| 597 ngx_quic_connection_t *qc; | |
| 598 | |
| 599 qc = c->quic; | |
| 600 ssl_conn = c->ssl->connection; | |
| 601 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
602 if (ngx_quic_parse_long_header(pkt) != NGX_OK) { |
| 8223 | 603 return NGX_ERROR; |
| 604 } | |
| 605 | |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
606 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) { |
| 8223 | 607 return NGX_ERROR; |
| 608 } | |
| 609 | |
| 610 pkt->secret = &qc->secrets.client.in; | |
| 611 pkt->level = ssl_encryption_initial; | |
| 612 | |
| 613 if (ngx_quic_decrypt(c->pool, ssl_conn, pkt) != NGX_OK) { | |
| 614 return NGX_ERROR; | |
| 615 } | |
| 616 | |
| 617 return ngx_quic_payload_handler(c, pkt); | |
| 618 } | |
| 619 | |
| 620 | |
| 621 static ngx_int_t | |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
622 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
|
623 { |
|
8188
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8187
diff
changeset
|
624 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
|
625 ngx_quic_connection_t *qc; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
626 |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
627 qc = c->quic; |
|
8188
bf555b94e387
Using cached ssl_conn in ngx_quic_handshake_input(), NFC.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8187
diff
changeset
|
628 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
|
629 |
|
8193
4355efde26d8
Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents:
8192
diff
changeset
|
630 /* 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
|
631 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
|
632 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
633 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
634 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
635 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
|
636 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
|
637 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
638 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
639 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
640 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
|
641 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
|
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 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
645 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
|
646 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
|
647 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
648 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
649 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
650 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
|
651 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
|
652 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
653 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
654 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
655 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
|
656 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
|
657 "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
|
658 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
659 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
660 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
661 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
|
662 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
663 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
664 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
665 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
|
666 pkt->level = ssl_encryption_handshake; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
667 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
668 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
|
669 return NGX_ERROR; |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
670 } |
|
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8180
diff
changeset
|
671 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
672 return ngx_quic_payload_handler(c, pkt); |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
673 } |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
674 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
675 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
676 static ngx_int_t |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
677 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
|
678 { |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
679 ngx_quic_connection_t *qc; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
680 |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
681 qc = c->quic; |
|
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
682 |
| 8223 | 683 if (qc->secrets.client.ad.key.len == 0) { |
| 684 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 685 "no read keys yet, packet ignored"); | |
| 686 return NGX_DECLINED; | |
| 687 } | |
|
8199
1297dc83a6b9
Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents:
8198
diff
changeset
|
688 |
|
8224
ae35ccba7aa6
Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
8223
diff
changeset
|
689 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
|
690 return NGX_ERROR; |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
691 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
692 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
693 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
|
694 pkt->level = ssl_encryption_application; |
|
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
695 |
|
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8220
diff
changeset
|
696 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
|
697 return NGX_ERROR; |
|
8185
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
698 } |
|
6a76d9657772
QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8184
diff
changeset
|
699 |
|
8206
8d6ac639feac
Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents:
8205
diff
changeset
|
700 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
|
701 } |
| 8171 | 702 |
| 703 | |
| 8225 | 704 static ngx_int_t |
| 705 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt) | |
| 706 { | |
| 707 u_char *end, *p; | |
| 708 ssize_t len; | |
| 709 ngx_uint_t ack_this, do_close; | |
| 710 ngx_quic_frame_t frame, *ack_frame; | |
| 711 ngx_quic_connection_t *qc; | |
| 712 | |
| 713 qc = c->quic; | |
| 714 | |
| 715 p = pkt->payload.data; | |
| 716 end = p + pkt->payload.len; | |
| 717 | |
| 718 ack_this = 0; | |
| 719 do_close = 0; | |
| 720 | |
| 721 while (p < end) { | |
| 722 | |
| 723 len = ngx_quic_parse_frame(p, end, &frame); | |
| 724 if (len < 0) { | |
| 725 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
|
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
726 "failed to parse frame type 0x%xi", frame.type); |
| 8225 | 727 return NGX_ERROR; |
| 728 } | |
| 729 | |
| 730 p += len; | |
| 731 | |
| 732 switch (frame.type) { | |
| 733 | |
| 734 case NGX_QUIC_FT_ACK: | |
| 735 | |
| 736 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 737 "ACK: { largest=%ui delay=%ui first=%ui count=%ui}", | |
| 738 frame.u.ack.largest, | |
| 739 frame.u.ack.delay, | |
| 740 frame.u.ack.first_range, | |
| 741 frame.u.ack.range_count); | |
| 742 | |
| 743 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) { | |
| 744 return NGX_ERROR; | |
| 745 } | |
| 746 | |
| 747 break; | |
| 748 | |
| 749 case NGX_QUIC_FT_CRYPTO: | |
| 750 | |
| 751 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 752 "quic CRYPTO frame length: %uL off:%uL pp:%p", | |
| 753 frame.u.crypto.len, frame.u.crypto.offset, | |
| 754 frame.u.crypto.data); | |
| 755 | |
| 756 ngx_quic_hexdump0(c->log, "CRYPTO frame contents", | |
| 757 frame.u.crypto.data, frame.u.crypto.len); | |
| 758 | |
| 759 | |
| 760 if (ngx_quic_handle_crypto_frame(c, pkt, &frame.u.crypto) | |
| 761 != NGX_OK) | |
| 762 { | |
| 763 return NGX_ERROR; | |
| 764 } | |
| 765 | |
| 766 ack_this = 1; | |
| 767 break; | |
| 768 | |
| 769 case NGX_QUIC_FT_PADDING: | |
| 770 break; | |
| 771 | |
| 772 case NGX_QUIC_FT_PING: | |
| 773 ack_this = 1; | |
| 774 break; | |
| 775 | |
| 776 case NGX_QUIC_FT_NEW_CONNECTION_ID: | |
| 777 ack_this = 1; | |
| 778 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 779 "NCID: { seq=%ui retire=%ui len=%ui}", | |
| 780 frame.u.ncid.seqnum, | |
| 781 frame.u.ncid.retire, | |
| 782 frame.u.ncid.len); | |
| 783 break; | |
| 784 | |
| 785 case NGX_QUIC_FT_CONNECTION_CLOSE: | |
| 786 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 787 "CONN.CLOSE: { %s (0x%xi) type=0x%xi reason='%V'}", | |
| 788 ngx_quic_error_text(frame.u.close.error_code), | |
| 789 frame.u.close.error_code, | |
| 790 frame.u.close.frame_type, | |
| 791 &frame.u.close.reason); | |
| 792 | |
| 793 do_close = 1; | |
| 794 break; | |
| 795 | |
| 796 case NGX_QUIC_FT_STREAM0: | |
| 797 case NGX_QUIC_FT_STREAM1: | |
| 798 case NGX_QUIC_FT_STREAM2: | |
| 799 case NGX_QUIC_FT_STREAM3: | |
| 800 case NGX_QUIC_FT_STREAM4: | |
| 801 case NGX_QUIC_FT_STREAM5: | |
| 802 case NGX_QUIC_FT_STREAM6: | |
| 803 case NGX_QUIC_FT_STREAM7: | |
| 804 | |
| 805 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 806 "STREAM frame { 0x%xi id 0x%xi offset 0x%xi len 0x%xi bits:off=%d len=%d fin=%d }", | |
| 807 frame.type, | |
| 808 frame.u.stream.stream_id, | |
| 809 frame.u.stream.offset, | |
| 810 frame.u.stream.length, | |
| 811 frame.u.stream.off, | |
| 812 frame.u.stream.len, | |
| 813 frame.u.stream.fin); | |
| 814 | |
| 815 ngx_quic_hexdump0(c->log, "STREAM frame contents", | |
| 816 frame.u.stream.data, frame.u.stream.length); | |
| 817 | |
| 818 if (ngx_quic_handle_stream_frame(c, pkt, &frame.u.stream) | |
| 819 != NGX_OK) | |
| 820 { | |
| 821 return NGX_ERROR; | |
| 822 } | |
| 823 | |
| 824 ack_this = 1; | |
| 825 break; | |
| 826 | |
|
8237
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
827 case NGX_QUIC_FT_MAX_DATA: |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
828 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
829 "MAX_DATA frame" |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
830 " { Maximum Data %ui }", |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
831 frame.u.max_data.max_data); |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
832 |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
833 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
|
834 ack_this = 1; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
835 break; |
|
ff540f13d95d
MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8236
diff
changeset
|
836 |
|
8231
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
837 case NGX_QUIC_FT_RESET_STREAM: |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
838 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
839 "RESET STREAM frame" |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
840 " { id 0x%xi error_code 0x%xi final_size 0x%xi }", |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
841 frame.u.reset_stream.id, |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
842 frame.u.reset_stream.error_code, |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
843 frame.u.reset_stream.final_size); |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
844 break; |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
845 |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
846 case NGX_QUIC_FT_STOP_SENDING: |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
847 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
848 "STOP SENDING frame" |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
849 " { id 0x%xi error_code 0x%xi}", |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
850 frame.u.stop_sending.id, |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
851 frame.u.stop_sending.error_code); |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
852 break; |
|
78540e2160d0
Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents:
8229
diff
changeset
|
853 |
|
8236
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
854 case NGX_QUIC_FT_STREAMS_BLOCKED: |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
855 case NGX_QUIC_FT_STREAMS_BLOCKED2: |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
856 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
857 "STREAMS BLOCKED frame" |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
858 " { limit %i bidi: %d }", |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
859 frame.u.streams_blocked.limit, |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
860 frame.u.streams_blocked.bidi); |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
861 break; |
|
d3b26c3bea22
Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents:
8235
diff
changeset
|
862 |
| 8225 | 863 default: |
| 864 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 865 "unsupported frame type 0x%xd in packet", frame.type); | |
| 866 return NGX_ERROR; | |
| 867 } | |
| 868 } | |
| 869 | |
| 870 if (p != end) { | |
| 871 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 872 "trailing garbage in payload: %ui bytes", end - p); | |
| 873 return NGX_ERROR; | |
| 874 } | |
| 875 | |
| 876 if (do_close) { | |
| 877 // TODO: handle stream close | |
| 878 } | |
| 879 | |
| 880 if (ack_this == 0) { | |
| 881 /* do not ack packets with ACKs and PADDING */ | |
| 882 return NGX_OK; | |
| 883 } | |
| 884 | |
| 885 // packet processed, ACK it now if required | |
| 886 // TODO: if (ack_required) ... - currently just ack each packet | |
| 887 | |
| 888 ack_frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t)); | |
| 889 if (ack_frame == NULL) { | |
| 890 return NGX_ERROR; | |
| 891 } | |
| 892 | |
| 893 ack_frame->level = pkt->level; | |
| 894 ack_frame->type = NGX_QUIC_FT_ACK; | |
| 895 ack_frame->u.ack.pn = pkt->pn; | |
| 896 | |
| 897 ngx_sprintf(ack_frame->info, "ACK for PN=%d from frame handler level=%d", pkt->pn, pkt->level); | |
| 898 ngx_quic_queue_frame(qc, ack_frame); | |
| 899 | |
| 900 return ngx_quic_output(c); | |
| 901 } | |
| 902 | |
| 903 | |
| 904 static ngx_int_t | |
| 905 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 906 ngx_quic_ack_frame_t *f) | |
| 907 { | |
| 908 /* TODO: handle ACK here */ | |
| 909 return NGX_OK; | |
| 910 } | |
| 911 | |
| 912 | |
| 913 static ngx_int_t | |
| 914 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt, | |
| 915 ngx_quic_crypto_frame_t *f) | |
| 916 { | |
| 917 int sslerr; | |
| 918 ssize_t n; | |
| 919 ngx_ssl_conn_t *ssl_conn; | |
| 920 | |
| 921 if (f->offset != 0x0) { | |
| 922 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 923 "crypto frame with non-zero offset"); | |
| 924 // TODO: add support for crypto frames spanning packets | |
| 925 return NGX_ERROR; | |
| 926 } | |
| 927 | |
| 928 ssl_conn = c->ssl->connection; | |
| 929 | |
| 930 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 931 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 932 (int) SSL_quic_read_level(ssl_conn), | |
| 933 (int) SSL_quic_write_level(ssl_conn)); | |
| 934 | |
| 935 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn), | |
| 936 f->data, f->len)) | |
| 937 { | |
| 938 ngx_ssl_error(NGX_LOG_INFO, c->log, 0, | |
| 939 "SSL_provide_quic_data() failed"); | |
| 940 return NGX_ERROR; | |
| 941 } | |
| 942 | |
| 943 n = SSL_do_handshake(ssl_conn); | |
| 944 | |
| 945 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n); | |
| 946 | |
| 947 if (n == -1) { | |
| 948 sslerr = SSL_get_error(ssl_conn, n); | |
| 949 | |
| 950 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", | |
| 951 sslerr); | |
| 952 | |
| 953 if (sslerr == SSL_ERROR_SSL) { | |
| 954 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed"); | |
| 955 } | |
| 956 } | |
| 957 | |
| 958 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 959 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn)); | |
| 960 | |
| 961 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 962 "SSL_quic_read_level: %d, SSL_quic_write_level: %d", | |
| 963 (int) SSL_quic_read_level(ssl_conn), | |
| 964 (int) SSL_quic_write_level(ssl_conn)); | |
| 965 | |
| 966 return NGX_OK; | |
| 967 } | |
| 968 | |
| 969 | |
| 970 static ngx_int_t | |
| 971 ngx_quic_handle_stream_frame(ngx_connection_t *c, | |
| 972 ngx_quic_header_t *pkt, ngx_quic_stream_frame_t *f) | |
| 973 { | |
| 974 ngx_buf_t *b; | |
| 975 ngx_quic_connection_t *qc; | |
| 976 ngx_quic_stream_node_t *sn; | |
| 977 | |
| 978 qc = c->quic; | |
| 979 | |
| 980 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id); | |
| 981 | |
| 982 if (sn) { | |
| 983 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "existing stream"); | |
| 984 b = sn->b; | |
| 985 | |
| 986 if ((size_t) (b->end - b->pos) < f->length) { | |
| 987 ngx_log_error(NGX_LOG_INFO, c->log, 0, "no space in stream buffer"); | |
| 988 return NGX_ERROR; | |
| 989 } | |
| 990 | |
| 991 ngx_memcpy(b->pos, f->data, f->length); | |
| 992 b->pos += f->length; | |
| 993 | |
| 994 // TODO: notify | |
| 995 | |
| 996 return NGX_OK; | |
| 997 } | |
| 998 | |
| 999 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "stream is new"); | |
| 1000 | |
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1001 sn = ngx_quic_create_stream(c, f->stream_id); |
| 8225 | 1002 if (sn == NULL) { |
| 1003 return NGX_ERROR; | |
| 1004 } | |
| 1005 | |
| 1006 b = sn->b; | |
| 1007 | |
| 1008 ngx_memcpy(b->start, f->data, f->length); | |
| 1009 b->last = b->start + f->length; | |
| 1010 | |
| 1011 qc->streams.handler(sn->c); | |
| 1012 | |
| 1013 return NGX_OK; | |
| 1014 } | |
| 1015 | |
| 1016 | |
| 1017 static void | |
| 1018 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame) | |
| 1019 { | |
| 1020 ngx_quic_frame_t *f; | |
| 1021 | |
| 1022 if (qc->frames == NULL) { | |
| 1023 qc->frames = frame; | |
| 1024 return; | |
| 1025 } | |
| 1026 | |
| 1027 for (f = qc->frames; f->next; f = f->next) { | |
| 1028 if (f->next->level > frame->level) { | |
| 1029 break; | |
| 1030 } | |
| 1031 } | |
| 1032 | |
| 1033 frame->next = f->next; | |
| 1034 f->next = frame; | |
| 1035 } | |
| 1036 | |
| 1037 | |
| 1038 static ngx_int_t | |
| 1039 ngx_quic_output(ngx_connection_t *c) | |
| 1040 { | |
| 1041 size_t len; | |
| 1042 ngx_uint_t lvl; | |
| 1043 ngx_quic_frame_t *f, *start; | |
| 1044 ngx_quic_connection_t *qc; | |
| 1045 | |
| 1046 qc = c->quic; | |
| 1047 | |
| 1048 if (qc->frames == NULL) { | |
| 1049 return NGX_OK; | |
| 1050 } | |
| 1051 | |
| 1052 lvl = qc->frames->level; | |
| 1053 start = qc->frames; | |
| 1054 f = start; | |
| 1055 | |
| 1056 do { | |
| 1057 len = 0; | |
| 1058 | |
| 1059 do { | |
| 1060 /* process same-level group of frames */ | |
| 1061 | |
| 1062 len += ngx_quic_frame_len(f);// TODO: handle overflow, max size | |
| 1063 | |
| 1064 f = f->next; | |
| 1065 } while (f && f->level == lvl); | |
| 1066 | |
| 1067 | |
| 1068 if (ngx_quic_frames_send(c, start, f, len) != NGX_OK) { | |
| 1069 return NGX_ERROR; | |
| 1070 } | |
| 1071 | |
| 1072 if (f == NULL) { | |
| 1073 break; | |
| 1074 } | |
| 1075 | |
| 1076 lvl = f->level; // TODO: must not decrease (ever, also between calls) | |
| 1077 start = f; | |
| 1078 | |
| 1079 } while (1); | |
| 1080 | |
| 1081 qc->frames = NULL; | |
| 1082 | |
| 1083 return NGX_OK; | |
| 1084 } | |
| 1085 | |
| 1086 | |
| 1087 /* pack a group of frames [start; end) into memory p and send as single packet */ | |
| 1088 ngx_int_t | |
| 1089 ngx_quic_frames_send(ngx_connection_t *c, ngx_quic_frame_t *start, | |
| 1090 ngx_quic_frame_t *end, size_t total) | |
| 1091 { | |
| 1092 ssize_t len; | |
| 1093 u_char *p; | |
| 1094 ngx_str_t out; | |
| 1095 ngx_quic_frame_t *f; | |
| 1096 | |
| 1097 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1098 "sending frames %p...%p", start, end); | |
| 1099 | |
| 1100 p = ngx_pnalloc(c->pool, total); | |
| 1101 if (p == NULL) { | |
| 1102 return NGX_ERROR; | |
| 1103 } | |
| 1104 | |
| 1105 out.data = p; | |
| 1106 | |
| 1107 for (f = start; f != end; f = f->next) { | |
| 1108 | |
| 1109 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "frame: %s", f->info); | |
| 1110 | |
| 1111 len = ngx_quic_create_frame(p, p + total, f); | |
| 1112 if (len == -1) { | |
| 1113 return NGX_ERROR; | |
| 1114 } | |
| 1115 | |
| 1116 p += len; | |
| 1117 } | |
| 1118 | |
| 1119 out.len = p - out.data; | |
| 1120 | |
| 1121 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1122 "packet ready: %ui bytes at level %d", | |
| 1123 out.len, start->level); | |
| 1124 | |
| 1125 // IOVEC/sendmsg_chain ? | |
| 1126 if (ngx_quic_send_packet(c, c->quic, start->level, &out) != NGX_OK) { | |
| 1127 return NGX_ERROR; | |
| 1128 } | |
| 1129 | |
| 1130 return NGX_OK; | |
| 1131 } | |
| 1132 | |
| 1133 | |
| 1134 static ngx_int_t | |
| 1135 ngx_quic_send_packet(ngx_connection_t *c, ngx_quic_connection_t *qc, | |
| 1136 enum ssl_encryption_level_t level, ngx_str_t *payload) | |
| 1137 { | |
| 1138 ngx_str_t res; | |
| 1139 ngx_quic_header_t pkt; | |
| 1140 | |
| 1141 pkt.log = c->log; | |
| 1142 | |
| 1143 static ngx_str_t initial_token = ngx_null_string; | |
| 1144 | |
| 1145 ngx_memzero(&pkt, sizeof(ngx_quic_header_t)); | |
| 1146 ngx_quic_hexdump0(c->log, "payload", payload->data, payload->len); | |
| 1147 | |
| 1148 pkt.level = level; | |
| 1149 pkt.dcid = qc->dcid; | |
| 1150 pkt.scid = qc->scid; | |
| 1151 | |
| 1152 if (level == ssl_encryption_initial) { | |
| 1153 pkt.number = &qc->initial_pn; | |
| 1154 pkt.flags = NGX_QUIC_PKT_INITIAL; | |
| 1155 pkt.secret = &qc->secrets.server.in; | |
| 1156 pkt.token = initial_token; | |
| 1157 | |
| 1158 } else if (level == ssl_encryption_handshake) { | |
| 1159 pkt.number = &qc->handshake_pn; | |
| 1160 pkt.flags = NGX_QUIC_PKT_HANDSHAKE; | |
| 1161 pkt.secret = &qc->secrets.server.hs; | |
| 1162 | |
| 1163 } else { | |
| 1164 pkt.number = &qc->appdata_pn; | |
| 1165 pkt.secret = &qc->secrets.server.ad; | |
| 1166 } | |
| 1167 | |
| 1168 if (ngx_quic_encrypt(c->pool, c->ssl->connection, &pkt, payload, &res) | |
| 1169 != NGX_OK) | |
| 1170 { | |
| 1171 return NGX_ERROR; | |
| 1172 } | |
| 1173 | |
| 1174 ngx_quic_hexdump0(c->log, "packet to send", res.data, res.len); | |
| 1175 | |
| 1176 c->send(c, res.data, res.len); // TODO: err handling | |
| 1177 | |
| 1178 (*pkt.number)++; | |
| 1179 | |
| 1180 return NGX_OK; | |
| 1181 } | |
| 1182 | |
| 1183 | |
| 1184 ngx_connection_t * | |
| 1185 ngx_quic_create_uni_stream(ngx_connection_t *c) | |
| 1186 { | |
|
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1187 ngx_uint_t id; |
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1188 ngx_quic_stream_t *qs; |
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1189 ngx_quic_connection_t *qc; |
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1190 ngx_quic_stream_node_t *sn; |
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1191 |
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1192 qs = c->qs; |
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1193 qc = qs->parent->quic; |
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1194 |
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1195 /* |
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1196 * A stream ID is a 62-bit integer that is unique for all streams |
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1197 * on a connection. |
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1198 * |
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1199 * 0x3 | Server-Initiated, Unidirectional |
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1200 */ |
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1201 id = (qc->streams.id_counter << 2) | 0x3; |
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1202 |
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1203 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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1204 "creating server uni stream #%ui id %ui", |
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1205 qc->streams.id_counter, id); |
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1206 |
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1207 qc->streams.id_counter++; |
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1208 |
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1209 sn = ngx_quic_create_stream(qs->parent, id); |
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1210 if (sn == NULL) { |
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1211 return NULL; |
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1212 } |
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1213 |
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1214 return sn->c; |
| 8225 | 1215 } |
| 1216 | |
| 1217 | |
| 1218 static void | |
| 1219 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp, | |
| 1220 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
| 1221 { | |
| 1222 ngx_rbtree_node_t **p; | |
| 1223 ngx_quic_stream_node_t *qn, *qnt; | |
| 1224 | |
| 1225 for ( ;; ) { | |
| 1226 | |
| 1227 if (node->key < temp->key) { | |
| 1228 | |
| 1229 p = &temp->left; | |
| 1230 | |
| 1231 } else if (node->key > temp->key) { | |
| 1232 | |
| 1233 p = &temp->right; | |
| 1234 | |
| 1235 } else { /* node->key == temp->key */ | |
| 1236 | |
| 1237 qn = (ngx_quic_stream_node_t *) &node->color; | |
| 1238 qnt = (ngx_quic_stream_node_t *) &temp->color; | |
| 1239 | |
| 1240 if (qn->c < qnt->c) { | |
| 1241 p = &temp->left; | |
| 1242 } else { | |
| 1243 p = &temp->right; | |
| 1244 } | |
| 1245 } | |
| 1246 | |
| 1247 if (*p == sentinel) { | |
| 1248 break; | |
| 1249 } | |
| 1250 | |
| 1251 temp = *p; | |
| 1252 } | |
| 1253 | |
| 1254 *p = node; | |
| 1255 node->parent = temp; | |
| 1256 node->left = sentinel; | |
| 1257 node->right = sentinel; | |
| 1258 ngx_rbt_red(node); | |
| 1259 } | |
| 1260 | |
| 1261 | |
| 1262 static ngx_quic_stream_node_t * | |
| 1263 ngx_quic_find_stream(ngx_rbtree_t *rbtree, ngx_uint_t key) | |
| 1264 { | |
| 1265 ngx_rbtree_node_t *node, *sentinel; | |
| 1266 | |
| 1267 node = rbtree->root; | |
| 1268 sentinel = rbtree->sentinel; | |
| 1269 | |
| 1270 while (node != sentinel) { | |
| 1271 | |
| 1272 if (key == node->key) { | |
| 1273 return (ngx_quic_stream_node_t *) node; | |
| 1274 } | |
| 1275 | |
| 1276 node = (key < node->key) ? node->left : node->right; | |
| 1277 } | |
| 1278 | |
| 1279 return NULL; | |
| 1280 } | |
| 1281 | |
| 1282 | |
|
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1283 static ngx_quic_stream_node_t * |
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1284 ngx_quic_create_stream(ngx_connection_t *c, ngx_uint_t id) |
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1285 { |
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1286 ngx_log_t *log; |
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1287 ngx_pool_t *pool; |
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1288 ngx_event_t *rev, *wev; |
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1289 ngx_quic_connection_t *qc; |
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1290 ngx_quic_stream_node_t *sn; |
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1291 |
|
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diff
changeset
|
1292 qc = c->quic; |
|
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diff
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|
1293 |
|
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diff
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|
1294 sn = ngx_pcalloc(c->pool, sizeof(ngx_quic_stream_node_t)); |
|
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diff
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|
1295 if (sn == NULL) { |
|
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diff
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|
1296 return NULL; |
|
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diff
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|
1297 } |
|
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diff
changeset
|
1298 |
|
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|
1299 sn->c = ngx_get_connection(-1, c->log); // TODO: free on connection termination |
|
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|
1300 if (sn->c == NULL) { |
|
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diff
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|
1301 return NULL; |
|
cfc429911c0d
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diff
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|
1302 } |
|
cfc429911c0d
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diff
changeset
|
1303 |
|
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|
1304 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log); |
|
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diff
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|
1305 if (pool == NULL) { |
|
cfc429911c0d
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diff
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|
1306 /* XXX free connection */ |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
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|
1307 // TODO: add pool cleanup handdler |
|
cfc429911c0d
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diff
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|
1308 return NULL; |
|
cfc429911c0d
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parents:
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diff
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|
1309 } |
|
cfc429911c0d
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diff
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|
1310 |
|
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diff
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|
1311 log = ngx_palloc(pool, sizeof(ngx_log_t)); |
|
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diff
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|
1312 if (log == NULL) { |
|
cfc429911c0d
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diff
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|
1313 /* XXX free pool and connection */ |
|
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diff
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|
1314 return NULL; |
|
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diff
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|
1315 } |
|
cfc429911c0d
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diff
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|
1316 |
|
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changeset
|
1317 *log = *c->log; |
|
cfc429911c0d
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diff
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|
1318 pool->log = log; |
|
cfc429911c0d
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|
1319 |
|
cfc429911c0d
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|
1320 sn->c->log = log; |
|
cfc429911c0d
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diff
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|
1321 sn->c->pool = pool; |
|
cfc429911c0d
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|
1322 |
|
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|
1323 sn->c->listening = c->listening; |
|
cfc429911c0d
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diff
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|
1324 sn->c->sockaddr = c->sockaddr; |
|
cfc429911c0d
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diff
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|
1325 sn->c->local_sockaddr = c->local_sockaddr; |
|
8234
19bb9edcd8bd
Added copying addr_text to QUIC stream connections.
Roman Arutyunyan <arut@nginx.com>
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8232
diff
changeset
|
1326 sn->c->addr_text = c->addr_text; |
|
8229
cfc429911c0d
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|
1327 |
|
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|
1328 rev = sn->c->read; |
|
cfc429911c0d
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|
1329 wev = sn->c->write; |
|
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|
1330 |
|
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|
1331 rev->ready = 1; |
|
cfc429911c0d
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|
1332 |
|
cfc429911c0d
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|
1333 rev->log = c->log; |
|
cfc429911c0d
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changeset
|
1334 wev->log = c->log; |
|
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Implemented creation of server unidirectional streams.
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diff
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|
1335 |
|
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|
1336 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
|
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|
1337 |
|
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|
1338 sn->node.key =id; |
|
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Implemented creation of server unidirectional streams.
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|
1339 sn->b = ngx_create_temp_buf(pool, 16 * 1024); // XXX enough for everyone |
|
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|
1340 if (sn->b == NULL) { |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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|
1341 return NULL; |
|
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Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1342 } |
|
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changeset
|
1343 |
|
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diff
changeset
|
1344 ngx_rbtree_insert(&qc->streams.tree, &sn->node); |
|
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Implemented creation of server unidirectional streams.
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|
1345 |
|
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Implemented creation of server unidirectional streams.
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|
1346 sn->s.id = id; |
|
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Implemented creation of server unidirectional streams.
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|
1347 sn->s.unidirectional = (sn->s.id & 0x02) ? 1 : 0; |
|
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1348 sn->s.parent = c; |
|
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diff
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|
1349 sn->c->qs = &sn->s; |
|
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diff
changeset
|
1350 |
|
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Implemented creation of server unidirectional streams.
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changeset
|
1351 sn->c->recv = ngx_quic_stream_recv; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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diff
changeset
|
1352 sn->c->send = ngx_quic_stream_send; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1353 sn->c->send_chain = ngx_quic_stream_send_chain; |
|
cfc429911c0d
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parents:
8225
diff
changeset
|
1354 |
|
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Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1355 return sn; |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1356 } |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
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parents:
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diff
changeset
|
1357 |
|
cfc429911c0d
Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
1358 |
| 8225 | 1359 static ssize_t |
| 1360 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1361 { | |
| 1362 ssize_t len; | |
| 1363 ngx_buf_t *b; | |
| 1364 ngx_quic_stream_t *qs; | |
| 1365 ngx_quic_connection_t *qc; | |
| 1366 ngx_quic_stream_node_t *sn; | |
| 1367 | |
| 1368 qs = c->qs; | |
| 1369 qc = qs->parent->quic; | |
| 1370 | |
| 1371 // XXX: get direct pointer from stream structure? | |
| 1372 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1373 | |
| 1374 if (sn == NULL) { | |
| 1375 return NGX_ERROR; | |
| 1376 } | |
| 1377 | |
| 1378 // XXX: how to return EOF? | |
| 1379 | |
| 1380 b = sn->b; | |
| 1381 | |
| 1382 if (b->last - b->pos == 0) { | |
| 1383 c->read->ready = 0; | |
| 1384 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1385 "quic recv() not ready"); | |
| 1386 return NGX_AGAIN; // ? | |
| 1387 } | |
| 1388 | |
| 1389 len = ngx_min(b->last - b->pos, (ssize_t) size); | |
| 1390 | |
| 1391 ngx_memcpy(buf, b->pos, len); | |
| 1392 | |
| 1393 b->pos += len; | |
| 1394 | |
| 1395 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 1396 "quic recv: %z of %uz", len, size); | |
| 1397 | |
| 1398 return len; | |
| 1399 } | |
| 1400 | |
| 1401 | |
| 1402 static ssize_t | |
| 1403 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size) | |
| 1404 { | |
| 1405 u_char *p; | |
| 1406 ngx_connection_t *pc; | |
| 1407 ngx_quic_frame_t *frame; | |
| 1408 ngx_quic_stream_t *qs; | |
| 1409 ngx_quic_connection_t *qc; | |
| 1410 ngx_quic_stream_node_t *sn; | |
| 1411 | |
| 1412 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic send: %uz", size); | |
| 1413 | |
| 1414 qs = c->qs; | |
| 1415 pc = qs->parent; | |
| 1416 qc = pc->quic; | |
| 1417 | |
| 1418 // XXX: get direct pointer from stream structure? | |
| 1419 sn = ngx_quic_find_stream(&qc->streams.tree, qs->id); | |
| 1420 | |
| 1421 if (sn == NULL) { | |
| 1422 return NGX_ERROR; | |
| 1423 } | |
| 1424 | |
| 1425 frame = ngx_pcalloc(pc->pool, sizeof(ngx_quic_frame_t)); | |
| 1426 if (frame == NULL) { | |
| 1427 return 0; | |
| 1428 } | |
| 1429 | |
| 1430 p = ngx_pnalloc(pc->pool, size); | |
| 1431 if (p == NULL) { | |
| 1432 return 0; | |
| 1433 } | |
| 1434 | |
| 1435 ngx_memcpy(p, buf, size); | |
| 1436 | |
| 1437 frame->level = ssl_encryption_application; | |
| 1438 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */ | |
| 1439 frame->u.stream.off = 1; | |
| 1440 frame->u.stream.len = 1; | |
| 1441 frame->u.stream.fin = 0; | |
| 1442 | |
| 1443 frame->u.stream.type = frame->type; | |
| 1444 frame->u.stream.stream_id = qs->id; | |
| 1445 frame->u.stream.offset = c->sent; | |
| 1446 frame->u.stream.length = size; | |
| 1447 frame->u.stream.data = p; | |
| 1448 | |
| 1449 c->sent += size; | |
| 1450 | |
| 1451 ngx_sprintf(frame->info, "stream %xi len=%ui level=%d", | |
| 1452 qs->id, size, frame->level); | |
| 1453 | |
| 1454 ngx_quic_queue_frame(qc, frame); | |
| 1455 | |
| 1456 return size; | |
| 1457 } | |
| 1458 | |
| 1459 | |
| 1460 static ngx_chain_t * | |
| 1461 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, | |
| 1462 off_t limit) | |
| 1463 { | |
| 1464 size_t len; | |
| 1465 ssize_t n; | |
| 1466 ngx_buf_t *b; | |
| 1467 | |
| 1468 for ( /* void */; in; in = in->next) { | |
| 1469 b = in->buf; | |
| 1470 | |
| 1471 if (!ngx_buf_in_memory(b)) { | |
| 1472 continue; | |
| 1473 } | |
| 1474 | |
| 1475 if (ngx_buf_size(b) == 0) { | |
| 1476 continue; | |
| 1477 } | |
| 1478 | |
| 1479 len = b->last - b->pos; | |
| 1480 | |
| 1481 n = ngx_quic_stream_send(c, b->pos, len); | |
| 1482 | |
| 1483 if (n == NGX_ERROR) { | |
| 1484 return NGX_CHAIN_ERROR; | |
| 1485 } | |
| 1486 | |
| 1487 if (n == NGX_AGAIN) { | |
| 1488 return in; | |
| 1489 } | |
| 1490 | |
| 1491 if (n != (ssize_t) len) { | |
| 1492 b->pos += n; | |
| 1493 return in; | |
| 1494 } | |
| 1495 } | |
| 1496 | |
| 1497 return NULL; | |
| 1498 } |