annotate src/event/quic/ngx_event_quic.c @ 8822:ad046179eb91 quic

QUIC: handle EAGAIN properly on UDP sockets. Previously, the error was ignored leading to unnecessary retransmits. Now, unsent frames are returned into output queue, state is reset, and timer is started for the next send attempt.
author Vladimir Homutov <vl@nginx.com>
date Wed, 28 Jul 2021 17:23:18 +0300
parents 4009f120cad4
children fe919fd63b0b
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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
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
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9 #include <ngx_event.h>
8736
714e9af983de QUIC: separate header for ngx_quic_connection_t.
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10 #include <ngx_event_quic_connection.h>
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11
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12
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b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
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13 static ngx_quic_connection_t *ngx_quic_new_connection(ngx_connection_t *c,
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14 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8562
b31c02454539 QUIC: added stateless reset support.
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15 static ngx_int_t ngx_quic_process_stateless_reset(ngx_connection_t *c,
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16 ngx_quic_header_t *pkt);
8263
1295b293d09a Connection states code cleanup.
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17 static void ngx_quic_input_handler(ngx_event_t *rev);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
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18
8355
ad3a6f069498 Added proper handling of connection close phases.
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19 static ngx_int_t ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc);
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20 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
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21
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22 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b,
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23 ngx_quic_conf_t *conf);
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24 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
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25 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
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26 static ngx_int_t ngx_quic_process_payload(ngx_connection_t *c,
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27 ngx_quic_header_t *pkt);
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28 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
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29 ngx_quic_header_t *pkt);
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30 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
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31 ngx_quic_header_t *pkt);
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32
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33 static void ngx_quic_push_handler(ngx_event_t *ev);
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34
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35
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36 static ngx_core_module_t ngx_quic_module_ctx = {
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37 ngx_string("quic"),
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38 NULL,
2c7f927f7999 QUIC: ngx_quic_module.
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39 NULL
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40 };
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41
2c7f927f7999 QUIC: ngx_quic_module.
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42
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43 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module.
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44 NGX_MODULE_V1,
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45 &ngx_quic_module_ctx, /* module context */
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46 NULL, /* module directives */
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47 NGX_CORE_MODULE, /* module type */
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48 NULL, /* init master */
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49 NULL, /* init module */
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50 NULL, /* init process */
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51 NULL, /* init thread */
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52 NULL, /* exit thread */
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53 NULL, /* exit process */
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54 NULL, /* exit master */
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55 NGX_MODULE_V1_PADDING
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56 };
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57
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58
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59 #if (NGX_DEBUG)
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60
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61 void
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62 ngx_quic_connstate_dbg(ngx_connection_t *c)
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63 {
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64 u_char *p, *last;
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65 ngx_quic_connection_t *qc;
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66 u_char buf[NGX_MAX_ERROR_STR];
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67
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68 p = buf;
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69 last = p + sizeof(buf);
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70
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71 qc = ngx_quic_get_connection(c);
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72
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73 p = ngx_slprintf(p, last, "state:");
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74
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75 if (qc) {
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76
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77 if (qc->error) {
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78 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
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79 p = ngx_slprintf(p, last, " error:%ui", qc->error);
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80
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81 if (qc->error_reason) {
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82 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
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83 }
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84 }
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85
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86 p = ngx_slprintf(p, last, "%s", qc->shutdown ? " shutdown" : "");
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87 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
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88 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
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89 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
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90
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91 } else {
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92 p = ngx_slprintf(p, last, " early");
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93 }
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94
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95 if (c->read->timer_set) {
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96 p = ngx_slprintf(p, last,
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97 qc && qc->send_timer_set ? " send:%M" : " read:%M",
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98 c->read->timer.key - ngx_current_msec);
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99 }
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100
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101 if (qc) {
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102
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103 if (qc->push.timer_set) {
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104 p = ngx_slprintf(p, last, " push:%M",
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105 qc->push.timer.key - ngx_current_msec);
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106 }
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107
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108 if (qc->pto.timer_set) {
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109 p = ngx_slprintf(p, last, " pto:%M",
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110 qc->pto.timer.key - ngx_current_msec);
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111 }
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112
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113 if (qc->close.timer_set) {
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114 p = ngx_slprintf(p, last, " close:%M",
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115 qc->close.timer.key - ngx_current_msec);
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116 }
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117 }
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118
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119 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
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120 "quic %*s", p - buf, buf);
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121 }
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122
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123 #endif
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124
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125
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126 ngx_int_t
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127 ngx_quic_apply_transport_params(ngx_connection_t *c, ngx_quic_tp_t *ctp)
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128 {
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129 ngx_str_t scid;
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parents: 8698
diff changeset
130 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
131
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
132 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
133
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
134 scid.data = qc->socket->cid->id;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
135 scid.len = qc->socket->cid->len;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
136
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
137 if (scid.len != ctp->initial_scid.len
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
138 || ngx_memcmp(scid.data, ctp->initial_scid.data, scid.len) != 0)
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
139 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
140 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
141 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
142 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
143 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
144
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
145 if (ctp->max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
146 || ctp->max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
147 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
148 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
149 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
150
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
151 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
152 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
153 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
154
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
155 } else if (ctp->max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
156 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
157 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
158 "quic client maximum packet size truncated");
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
159 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
160
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
161 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
162 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
163 qc->error_reason = "invalid active_connection_id_limit";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
164
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
165 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
166 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
167 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
168 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
169
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
170 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
171 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
172 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
173
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
174 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
175 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
176 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
177 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
178
8806
f8ad3dd142ad QUIC: consider max_ack_delay=16384 invalid.
Roman Arutyunyan <arut@nginx.com>
parents: 8797
diff changeset
179 if (ctp->max_ack_delay >= 16384) {
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
180 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
181 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
182
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
183 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
184 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
185 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
186 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
187
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
188 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
189 && ctp->max_idle_timeout < qc->tp.max_idle_timeout)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
190 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
191 qc->tp.max_idle_timeout = ctp->max_idle_timeout;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
192 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
193
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
194 qc->streams.server_max_streams_bidi = ctp->initial_max_streams_bidi;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
195 qc->streams.server_max_streams_uni = ctp->initial_max_streams_uni;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
196
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
197 ngx_memcpy(&qc->ctp, ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
198
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
199 return NGX_OK;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
200 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
201
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
202
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
203 void
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
204 ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
205 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
206 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
207 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
208
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
209 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
210
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
211 rc = ngx_quic_input(c, c->buffer, conf);
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
212 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
213 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
214 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
215 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
216
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
217 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
218
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
219 if (qc == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
220 ngx_quic_close_connection(c, NGX_DONE);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
221 return;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
222 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
223
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
224 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
225 ngx_quic_connstate_dbg(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
226
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
227 c->read->handler = ngx_quic_input_handler;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
228
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
229 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
230 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
231
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
232
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
233 static ngx_quic_connection_t *
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
234 ngx_quic_new_connection(ngx_connection_t *c, ngx_quic_conf_t *conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
235 ngx_quic_header_t *pkt)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
236 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
237 ngx_uint_t i;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
238 ngx_quic_tp_t *ctp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
239 ngx_quic_connection_t *qc;
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
240
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
241 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
242 if (qc == NULL) {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
243 return NULL;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
244 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
245
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
246 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
247 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
248 return NULL;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
249 }
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
250
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
251 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
252
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
253 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
254 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
255
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
256 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
257 ngx_queue_init(&qc->send_ctx[i].frames);
8822
ad046179eb91 QUIC: handle EAGAIN properly on UDP sockets.
Vladimir Homutov <vl@nginx.com>
parents: 8820
diff changeset
258 ngx_queue_init(&qc->send_ctx[i].sending);
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
259 ngx_queue_init(&qc->send_ctx[i].sent);
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
260 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
261 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
262 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
263 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
264 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
265
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
266 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
267 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
268 qc->send_ctx[2].level = ssl_encryption_application;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
269
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
270 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
271
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
272 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
273 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
274 qc->min_rtt = NGX_TIMER_INFINITE;
8792
004172345bdc QUIC: persistent congestion calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8791
diff changeset
275 qc->first_rtt = NGX_TIMER_INFINITE;
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
276
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
277 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
278 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
279 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
280
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
281 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
282 qc->pto.data = c;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
283 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
284 qc->pto.cancelable = 1;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
285
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
286 qc->push.log = c->log;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
287 qc->push.data = c;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
288 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
289 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
290
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
291 qc->path_validation.log = c->log;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
292 qc->path_validation.data = c;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
293 qc->path_validation.handler = ngx_quic_path_validation_handler;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
294 qc->path_validation.cancelable = 1;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
295
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
296 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
297 qc->tp = conf->tp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
298
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
299 ctp = &qc->ctp;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
300
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
301 /* defaults to be used before actual client parameters are received */
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
302 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
303 ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT;
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
304 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
305 ctp->active_connection_id_limit = 2;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
306
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
307 qc->streams.recv_max_data = qc->tp.initial_max_data;
8791
af33d1ef1c3c QUIC: stream flow control refactored.
Roman Arutyunyan <arut@nginx.com>
parents: 8782
diff changeset
308 qc->streams.recv_window = qc->streams.recv_max_data;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
309
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
310 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
311 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
312
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
313 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
314 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
315 14720));
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
316 qc->congestion.ssthresh = (size_t) -1;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
317 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
318
8746
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
319 if (pkt->validated && pkt->retried) {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
320 qc->tp.retry_scid.len = pkt->dcid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
321 qc->tp.retry_scid.data = ngx_pstrdup(c->pool, &pkt->dcid);
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
322 if (qc->tp.retry_scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
323 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
324 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
325 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
326
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
327 if (ngx_quic_keys_set_initial_secret(c->pool, qc->keys, &pkt->dcid,
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
328 qc->version)
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
329 != NGX_OK)
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
330 {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
331 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
332 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
333
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
334 qc->validated = pkt->validated;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
335
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
336 if (ngx_quic_open_sockets(c, qc, pkt) != NGX_OK) {
8746
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
337 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
338 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
339
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
340 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
341 "quic connection created");
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
342
8746
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
343 return qc;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
344 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
345
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
346
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
347 static ngx_int_t
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
348 ngx_quic_process_stateless_reset(ngx_connection_t *c, ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
349 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
350 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
351 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
352 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
353 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
354 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
355
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
356 qc = ngx_quic_get_connection(c);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
357
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
358 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
359 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
360 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
361 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
362
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
363 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
364
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
365 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
366 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
367 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
368 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
369 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
370
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
371 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
372 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
373 continue;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
374 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
375
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
376 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
377
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
378 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
379 ch |= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
380 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
381
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
382 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
383 return NGX_OK;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
384 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
385 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
386
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
387 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
388 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
389
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
390
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
391 static void
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
392 ngx_quic_input_handler(ngx_event_t *rev)
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
393 {
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
394 ngx_int_t rc;
8730
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
395 ngx_buf_t *b;
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
396 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
397 ngx_quic_connection_t *qc;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
398
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
399 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
400
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
401 c = rev->data;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
402 qc = ngx_quic_get_connection(c);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
403
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
404 c->log->action = "handling quic input";
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
405
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
406 if (rev->timedout) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
407 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
408 "quic client timed out");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
409 ngx_quic_close_connection(c, NGX_DONE);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
410 return;
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
411 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
412
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
413 if (c->close) {
8442
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
414 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
415 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
416 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
417 }
8220
7ada2feeac18 Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8218
diff changeset
418
8730
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
419 if (!rev->ready) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
420 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
421 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
422 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
423 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
424 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
425
8734
c61fcdc1b8e3 UDP: extended datagram context.
Vladimir Homutov <vl@nginx.com>
parents: 8730
diff changeset
426 b = c->udp->dgram->buffer;
8730
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
427
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
428 rc = ngx_quic_input(c, b, NULL);
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
429
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
430 if (rc == NGX_ERROR) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
431 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
432 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
433 }
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
434
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
435 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
436 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
437 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
438
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
439 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
440
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
441 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
442 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
443
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
444 ngx_quic_connstate_dbg(c);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
445 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
446
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
447
8736
714e9af983de QUIC: separate header for ngx_quic_connection_t.
Vladimir Homutov <vl@nginx.com>
parents: 8735
diff changeset
448 void
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
449 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
450 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
451 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
452 ngx_quic_connection_t *qc;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
453
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
454 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
455 "quic ngx_quic_close_connection rc:%i", rc);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
456
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
457 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
458
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
459 if (qc == NULL) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
460 if (rc == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
461 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
462 "quic close connection early error");
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
463 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
464
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
465 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
466 return;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
467 }
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
468
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
469 if (c->ssl) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
470 (void) ngx_ssl_shutdown(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
471 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
472
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
473 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
474 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
475 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
476
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
477 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
478 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
479 #endif
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
480
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
481 c->destroyed = 1;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
482
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
483 pool = c->pool;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
484
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
485 ngx_close_connection(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
486
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
487 ngx_destroy_pool(pool);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
488 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
489
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
490
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
491 static ngx_int_t
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
492 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
493 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
494 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
495 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
496 ngx_quic_connection_t *qc;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
497
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
498 qc = ngx_quic_get_connection(c);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
499
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
500 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
501
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
502 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
503 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8652
e9bd4305e68b QUIC: fixed send contexts cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8651
diff changeset
504 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
505 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
506
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
507 if (rc == NGX_DONE) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
508
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
509 /*
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
510 * RFC 9000, 10.1. Idle Timeout
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
511 *
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
512 * If a max_idle_timeout is specified by either endpoint in its
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
513 * transport parameters (Section 18.2), the connection is silently
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
514 * closed and its state is discarded when it remains idle
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
515 */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
516
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
517 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
518 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
519 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
520
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
521 } else {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
522
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
523 /*
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
524 * RFC 9000, 10.2. Immediate Close
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
525 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
526 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
527 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
528 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
529
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
530 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
531 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
532
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
533 if (rc == NGX_OK) {
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
534 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
535 "quic immediate close drain:%d",
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
536 qc->draining);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
537
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
538 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
539 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
540 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
541 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
542
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
543 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
544
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
545 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
546
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
547 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
548
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
549 } else {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
550 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
551 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
552 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
553
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
554 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
555 "quic immediate close due to %s error: %ui %s",
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
556 qc->error_app ? "app " : "", qc->error,
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
557 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
558 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
559
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
560 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
561
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
562 if (qc->error_level == ssl_encryption_handshake) {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
563 /* for clients that might not have handshake keys */
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
564 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
565 (void) ngx_quic_send_cc(c);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
566 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
567 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
568
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
569 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
570 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
571
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
572 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
573 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
574 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
575 }
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
576
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
577 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
578 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
579 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
580
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
581 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
582 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
583 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
584
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
585 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
586 ngx_del_timer(&qc->pto);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
587 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
588
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
589 if (qc->path_validation.timer_set) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
590 ngx_del_timer(&qc->path_validation);
8434
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
591 }
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
592
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
593 if (qc->push.posted) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
594 ngx_delete_posted_event(&qc->push);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
595 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
596
8553
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
597 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
598 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
599 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
600
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
601 ngx_quic_close_sockets(c);
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
602
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
603 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
604 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
605
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
606 /* may be tested from SSL callback during SSL shutdown */
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
607 c->udp = NULL;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
608
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
609 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
610 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
611
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
612
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
613 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
614 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
615 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
616 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
617 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
618
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
619 qc = ngx_quic_get_connection(c);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
620 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
621 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
622 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
623 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
624
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
625 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
626 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
627
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
628
8724
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
629 void
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
630 ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
631 const char *reason)
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
632 {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
633 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
634
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
635 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
636 qc->shutdown = 1;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
637 qc->shutdown_code = err;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
638 qc->shutdown_reason = reason;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
639
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
640 ngx_quic_shutdown_quic(c);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
641 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
642
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
643
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
644 static void
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
645 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
646 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
647 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
648
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
649 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
650
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
651 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
652 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
653 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
654
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
655
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
656 static ngx_int_t
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
657 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b, ngx_quic_conf_t *conf)
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
658 {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
659 u_char *p;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
660 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
661 ngx_uint_t good;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
662 ngx_quic_header_t pkt;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
663
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
664 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
665
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
666 p = b->pos;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
667
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
668 while (p < b->last) {
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
669
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
670 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
671 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
672 pkt.data = p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
673 pkt.len = b->last - p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
674 pkt.log = c->log;
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
675 pkt.flags = p[0];
8559
a89a58c642ef QUIC: simplified packet header parsing.
Vladimir Homutov <vl@nginx.com>
parents: 8558
diff changeset
676 pkt.raw->pos++;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
677
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
678 rc = ngx_quic_process_packet(c, conf, &pkt);
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
679
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
680 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
681 if (pkt.parsed) {
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
682 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
683 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
684 ngx_quic_level_name(pkt.level), pkt.decrypted,
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
685 pkt.pn, pkt.error, rc);
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
686 } else {
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
687 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
688 "quic packet done parse failed rc:%i", rc);
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
689 }
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
690 #endif
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
691
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
692 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
693 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
694 }
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
695
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
696 if (rc == NGX_DONE) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
697 /* stop further processing */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
698 return NGX_DECLINED;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
699 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
700
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
701 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
702 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
703 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
704
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
705 /* NGX_OK || NGX_DECLINED */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
706
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
707 /*
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
708 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
709 * to decrypt packet.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
710 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
711 * retransmission:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
712 *
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
713 * RFC 9000, 12.2. Coalescing Packets
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
714 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
715 * For example, if decryption fails (because the keys are
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
716 * not available or for any other reason), the receiver MAY either
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
717 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
718 * attempt to process the remaining packets.
8535
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
719 *
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
720 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
721 * or cannot be parsed properly.
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
722 */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
723
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
724 /* b->pos is at header end, adjust by actual packet length */
8558
0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents: 8557
diff changeset
725 b->pos = pkt.data + pkt.len;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
726
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
727 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
728 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
729 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
730 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
731
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
732 p = b->pos;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
733 }
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
734
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
735 return good ? NGX_OK : NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
736 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
737
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
738
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
739 static ngx_int_t
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
740 ngx_quic_process_packet(ngx_connection_t *c, ngx_quic_conf_t *conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
741 ngx_quic_header_t *pkt)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
742 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
743 ngx_int_t rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
744 ngx_quic_connection_t *qc;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
745
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
746 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
747
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
748 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
749
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
750 if (rc == NGX_DECLINED || rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
751 return rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
752 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
753
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
754 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
755
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
756 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
757
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
758 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
759 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
760 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
761
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
762 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
763 if (pkt->level != ssl_encryption_application) {
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
764 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
765 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
766 pkt->scid.len, &pkt->scid);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
767 }
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
768
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
769 if (pkt->level == ssl_encryption_initial) {
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
770 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
771 "quic address validation token len:%uz %xV",
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
772 pkt->token.len, &pkt->token);
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
773 }
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
774 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
775
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
776 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
777
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
778 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
779
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
780 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
781 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
782 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
783 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
784 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
785
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
786 rc = ngx_quic_check_migration(c, pkt);
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
787 if (rc != NGX_OK) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
788 return rc;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
789 }
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
790
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
791 if (pkt->level != ssl_encryption_application) {
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
792
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
793 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
794 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
795 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
796 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
797 }
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
798
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
799 if (ngx_quic_check_csid(qc, pkt) != NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
800 return NGX_DECLINED;
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
801 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
802
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
803 } else {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
804
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
805 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
806 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
807 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
808
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
809 qc->draining = 1;
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
810 ngx_quic_close_connection(c, NGX_OK);
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
811
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
812 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
813 }
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
814 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
815
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
816 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
817 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
818
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
819 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
820
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
821 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
822 return ngx_quic_negotiate_version(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
823 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
824
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
825 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
826 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
827 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
828
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
829 if (pkt->level != ssl_encryption_initial) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
830 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
831 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
832
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
833 c->log->action = "processing initial packet";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
834
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
835 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
836 /* RFC 9000, 7.2. Negotiating Connection IDs */
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
837 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
838 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
839 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
840 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
841 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
842
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
843 /* process retry and initialize connection IDs */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
844
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
845 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
846
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
847 rc = ngx_quic_validate_token(c, conf->av_token_key, pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
848
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
849 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
850 /* internal error */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
851 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
852
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
853 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
854 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
855 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
856 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
857 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
858 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
859 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
860
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
861 if (pkt->retried) {
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
862 /* invalid address validation token */
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
863 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
864 NGX_QUIC_ERR_INVALID_TOKEN,
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
865 "invalid address validation token");
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
866 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
867 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
868 return ngx_quic_send_retry(c, conf, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
869 }
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
870 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
871
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
872 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
873
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
874 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
875 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
876
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
877 } else {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
878 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
879 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
880
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
881 if (ngx_terminate || ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
882 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
883 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
884 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
885
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
886 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
887 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
888
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
889 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
890
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
891 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
892 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
893 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
894 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
895
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
896 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
897 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
898
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
899
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
900 static ngx_int_t
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
901 ngx_quic_process_payload(ngx_connection_t *c, ngx_quic_header_t *pkt)
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
902 {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
903 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
904 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
905 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
906 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
907
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
908 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
909
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
910 qc->error = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
911 qc->error_reason = 0;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
912
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
913 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
914
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
915 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
916 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8793
80d396fd8ee8 QUIC: improved errors readability.
Vladimir Homutov <vl@nginx.com>
parents: 8792
diff changeset
917 "quic no %s keys, ignoring packet",
80d396fd8ee8 QUIC: improved errors readability.
Vladimir Homutov <vl@nginx.com>
parents: 8792
diff changeset
918 ngx_quic_level_name(pkt->level));
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
919 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
920 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
921
8816
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
922 #if !defined (OPENSSL_IS_BORINGSSL)
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
923 /* OpenSSL provides read keys for an application level before it's ready */
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
924
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
925 if (pkt->level == ssl_encryption_application
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
926 && SSL_quic_read_level(c->ssl->connection)
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
927 < ssl_encryption_application)
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
928 {
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
929 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
930 "quic no %s keys ready, ignoring packet",
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
931 ngx_quic_level_name(pkt->level));
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
932 return NGX_DECLINED;
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
933 }
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
934 #endif
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8806
diff changeset
935
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
936 pkt->keys = qc->keys;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
937 pkt->key_phase = qc->key_phase;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
938 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
939
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
940 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
941
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
942 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
943 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
944 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
945 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
946 return rc;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
947 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
948
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
949 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
950
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
951 if (ngx_quic_update_paths(c, pkt) != NGX_OK) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
952 return NGX_ERROR;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
953 }
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
954
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
955 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
956 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
957 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
958 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
959 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
960
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
961 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
962 /*
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
963 * RFC 9001, 4.9.1. Discarding Initial Keys
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
964 *
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
965 * The successful use of Handshake packets indicates
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
966 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
967 */
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
968 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8611
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
969
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
970 if (qc->socket->path->state != NGX_QUIC_PATH_VALIDATED) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
971 qc->socket->path->state = NGX_QUIC_PATH_VALIDATED;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
972 ngx_post_event(&qc->push, &ngx_posted_events);
8611
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
973 }
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
974 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
975
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
976 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
977 /*
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
978 * RFC 9000, 10.2. Immediate Close
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
979 *
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
980 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
981 *
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
982 * In the closing state, an endpoint retains only enough information
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
983 * to generate a packet containing a CONNECTION_CLOSE frame and to
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
984 * identify packets as belonging to the connection.
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
985 */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
986
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
987 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
988 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
989 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
990 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
991 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
992
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
993 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
994 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
995
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
996 pkt->received = ngx_current_msec;
8574
1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8573
diff changeset
997
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
998 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
999
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1000 if (pkt->level != ssl_encryption_application) {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1001 return ngx_quic_handle_frames(c, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1002 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1003
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1004 if (!pkt->key_update) {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1005 return ngx_quic_handle_frames(c, pkt);
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1006 }
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1007
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1008 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1009
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1010 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1011 ngx_quic_keys_switch(c, qc->keys);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1012
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1013 rc = ngx_quic_handle_frames(c, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1014 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1015 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1016 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1017
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1018 return ngx_quic_keys_update(c, qc->keys);
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1019 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1020
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1021
8753
46161c610919 QUIC: separate files for SSL library interfaces.
Vladimir Homutov <vl@nginx.com>
parents: 8752
diff changeset
1022 void
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1023 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1024 {
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1025 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1026 ngx_quic_frame_t *f;
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1027 ngx_quic_socket_t *qsock;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1028 ngx_quic_send_ctx_t *ctx;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1029 ngx_quic_connection_t *qc;
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1030
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1031 qc = ngx_quic_get_connection(c);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1032
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1033 if (!ngx_quic_keys_available(qc->keys, level)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1034 return;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1035 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1036
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1037 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1038
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1039 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1040
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1041 ctx = ngx_quic_get_send_ctx(qc, level);
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1042
8782
b3f6ad181df4 QUIC: refactored CRYPTO and STREAM buffer ordering.
Roman Arutyunyan <arut@nginx.com>
parents: 8778
diff changeset
1043 ngx_quic_free_bufs(c, ctx->crypto);
b3f6ad181df4 QUIC: refactored CRYPTO and STREAM buffer ordering.
Roman Arutyunyan <arut@nginx.com>
parents: 8778
diff changeset
1044
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1045 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1046 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1047 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1048
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1049 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1050 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1051 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1052 }
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1053
8612
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1054 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1055 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1056 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1057
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1058 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1059 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1060 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1061 }
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
1062
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1063 if (level == ssl_encryption_initial) {
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1064 /* close temporary listener with odcid */
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1065 qsock = ngx_quic_find_socket(c, NGX_QUIC_UNSET_PN);
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1066 if (qsock) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1067 ngx_quic_close_socket(c, qsock);
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1068 }
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1069 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1070
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1071 ctx->send_ack = 0;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
1072
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
1073 ngx_quic_set_lost_timer(c);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1074 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1075
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1076
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1077 static ngx_int_t
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1078 ngx_quic_check_csid(ngx_quic_connection_t *qc, ngx_quic_header_t *pkt)
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1079 {
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1080 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1081 ngx_quic_client_id_t *cid;
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1082
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1083 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1084 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1085 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1086 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1087 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1088
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1089 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1090 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1091 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1092 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1093 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1094 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1095
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1096 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1097 return NGX_ERROR;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1098 }
8171
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
1099
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
1100
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1101 static ngx_int_t
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1102 ngx_quic_handle_frames(ngx_connection_t *c, ngx_quic_header_t *pkt)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1103 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1104 u_char *end, *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1105 ssize_t len;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1106 ngx_buf_t buf;
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1107 ngx_uint_t do_close, nonprobing;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1108 ngx_chain_t chain;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1109 ngx_quic_frame_t frame;
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1110 ngx_quic_socket_t *qsock;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1111 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1112
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1113 qc = ngx_quic_get_connection(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1114
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1115 p = pkt->payload.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1116 end = p + pkt->payload.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1117
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1118 do_close = 0;
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1119 nonprobing = 0;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1120
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1121 while (p < end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1122
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1123 c->log->action = "parsing frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1124
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1125 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1126 ngx_memzero(&buf, sizeof(ngx_buf_t));
8659
d9f673d18e9b QUIC: set the temporary flag for input frame buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8658
diff changeset
1127 buf.temporary = 1;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1128
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1129 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1130 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1131 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1132
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8239
diff changeset
1133 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1134
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1135 if (len < 0) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
1136 qc->error = pkt->error;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1137 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1138 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1139
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
1140 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
1141
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1142 c->log->action = "handling frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1143
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1144 p += len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1145
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1146 switch (frame.type) {
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1147 /* probing frames */
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1148 case NGX_QUIC_FT_PADDING:
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1149 case NGX_QUIC_FT_PATH_CHALLENGE:
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1150 case NGX_QUIC_FT_PATH_RESPONSE:
8776
901126931bd5 QUIC: consider NEW_CONNECTION_ID a probing frame.
Vladimir Homutov <vl@nginx.com>
parents: 8763
diff changeset
1151 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1152 break;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1153
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1154 /* non-probing frames */
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1155 default:
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1156 nonprobing = 1;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1157 break;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1158 }
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1159
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1160 switch (frame.type) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1161
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1162 case NGX_QUIC_FT_ACK:
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
1163 if (ngx_quic_handle_ack_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1164 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1165 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1166
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1167 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1168
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1169 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1170 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1171 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1172
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1173 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1174 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1175 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1176 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1177 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1178
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1179 /* got there with ack-eliciting packet */
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1180 pkt->need_ack = 1;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1181
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1182 switch (frame.type) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1183
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1184 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1185
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1186 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1187 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1188 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1189
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1190 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1191
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1192 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1193 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1194
8820
4009f120cad4 QUIC: eliminated stream type from ngx_quic_stream_frame_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8816
diff changeset
1195 case NGX_QUIC_FT_STREAM:
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1196
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1197 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1198 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1199 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1200
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1201 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1202
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
1203 case NGX_QUIC_FT_MAX_DATA:
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1204
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1205 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1206 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1207 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1208 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1209
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
1210 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
1211
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1212 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1213 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1214
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1215 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1216 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1217 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1218 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1219 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1220 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
1221
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1222 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1223
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1224 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1225
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1226 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1227 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1228 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1229 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1230 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1231 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1232
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1233 break;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
1234
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1235 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1236
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1237 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1238 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1239 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1240 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1241 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1242 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1243
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1244 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1245
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1246 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1247
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1248 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1249 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1250 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1251 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1252 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1253 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1254
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1255 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1256
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1257 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1258
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1259 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1260 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1261 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1262 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1263 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1264 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1265
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1266 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
1267
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1268 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1269 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1270
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1271 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1272 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1273 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1274 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1275 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1276
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1277 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
1278
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1279 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1280
8778
5186ee5a94b9 QUIC: simplified sending 1-RTT only frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8776
diff changeset
1281 if (ngx_quic_handle_path_challenge_frame(c, &frame.u.path_challenge)
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1282 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1283 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1284 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1285 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1286
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1287 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
1288
8737
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1289 case NGX_QUIC_FT_PATH_RESPONSE:
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1290
8778
5186ee5a94b9 QUIC: simplified sending 1-RTT only frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8776
diff changeset
1291 if (ngx_quic_handle_path_response_frame(c, &frame.u.path_response)
8737
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1292 != NGX_OK)
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1293 {
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1294 return NGX_ERROR;
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1295 }
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1296
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1297 break;
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
1298
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
1299 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1300
8778
5186ee5a94b9 QUIC: simplified sending 1-RTT only frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8776
diff changeset
1301 if (ngx_quic_handle_new_connection_id_frame(c, &frame.u.ncid)
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1302 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1303 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1304 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1305 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1306
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1307 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1308
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
1309 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1310
8778
5186ee5a94b9 QUIC: simplified sending 1-RTT only frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8776
diff changeset
1311 if (ngx_quic_handle_retire_connection_id_frame(c,
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1312 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1313 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1314 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1315 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1316 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1317
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1318 break;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1319
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1320 default:
8346
4e4485793418 Added MAX_STREAM_DATA stub handler.
Vladimir Homutov <vl@nginx.com>
parents: 8345
diff changeset
1321 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1322 "quic missing frame handler");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1323 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1324 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1325 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1326
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1327 if (p != end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1328 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1329 "quic trailing garbage in payload:%ui bytes", end - p);
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
1330
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
1331 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1332 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1333 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1334
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1335 if (do_close) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1336 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1337 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1338 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1339
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1340 qsock = ngx_quic_get_socket(c);
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1341
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1342 if (qsock != qc->socket) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1343
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1344 if (qsock->path != qc->socket->path && nonprobing) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1345 /*
8797
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
1346 * RFC 9000, 9.2. Initiating Connection Migration
4715f3e669f1 QUIC: updated specification references.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8793
diff changeset
1347 *
8763
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1348 * An endpoint can migrate a connection to a new local
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1349 * address by sending packets containing non-probing frames
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1350 * from that address.
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1351 */
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1352 if (ngx_quic_handle_migration(c, pkt) != NGX_OK) {
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1353 return NGX_ERROR;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1354 }
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1355 }
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1356 /*
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1357 * else: packet arrived via non-default socket;
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1358 * no reason to change active path
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1359 */
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1360 }
4117aa7fa38e QUIC: connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8753
diff changeset
1361
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1362 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1363 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1364 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1365
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1366 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1367 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1368
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1369
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1370 static void
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1371 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1372 {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1373 ngx_connection_t *c;
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1374
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1375 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1376
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1377 c = ev->data;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1378
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1379 if (ngx_quic_output(c) != NGX_OK) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1380 ngx_quic_close_connection(c, NGX_ERROR);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1381 return;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1382 }
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1383
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1384 ngx_quic_connstate_dbg(c);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1385 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1386
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1387
8750
41807e581de9 QUIC: separate files for stream related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8749
diff changeset
1388 void
8724
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1389 ngx_quic_shutdown_quic(ngx_connection_t *c)
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1390 {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1391 ngx_rbtree_t *tree;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1392 ngx_rbtree_node_t *node;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1393 ngx_quic_stream_t *qs;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1394 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1395
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1396 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1397
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1398 if (qc->closing) {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1399 return;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1400 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1401
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1402 tree = &qc->streams.tree;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1403
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1404 if (tree->root != tree->sentinel) {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1405 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1406 node;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1407 node = ngx_rbtree_next(tree, node))
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1408 {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1409 qs = (ngx_quic_stream_t *) node;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1410
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1411 if (!qs->cancelable) {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1412 return;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1413 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1414 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1415 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1416
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1417 ngx_quic_finalize_connection(c, qc->shutdown_code, qc->shutdown_reason);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
1418 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
1419
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
1420
8626
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
1421 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
1422 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
1423 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1424 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1425 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1426
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1427 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1428
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1429 version = qc->version;
8626
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
1430
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
1431 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
1432 }