nginx: src/event/quic/ngx_event

annotate src/event/quic/ngx_event_quic.c @ 9189:fcec773dd249

QUIC: avoid partial expansion of PATH_CHALLENGE/PATH_RESPONSE. By default packets with these frames are expanded to 1200 bytes. Previously, if anti-amplification limit did not allow this expansion, it was limited to whatever size was allowed. However RFC 9000 clearly states no partial expansion should happen in both cases. Section 8.2.1. Initiating Path Validation: An endpoint MUST expand datagrams that contain a PATH_CHALLENGE frame to at least the smallest allowed maximum datagram size of 1200 bytes, unless the anti-amplification limit for the path does not permit sending a datagram of this size. Section 8.2.2. Path Validation Responses: An endpoint MUST expand datagrams that contain a PATH_RESPONSE frame to at least the smallest allowed maximum datagram size of 1200 bytes. ... However, an endpoint MUST NOT expand the datagram containing the PATH_RESPONSE if the resulting data exceeds the anti-amplification limit.

author	Roman Arutyunyan <arut@nginx.com>
date	Wed, 29 Nov 2023 18:13:25 +0400
parents	4ccb0d973206
children	ff452f283aa9

rev	line source
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	6
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	9 #include <ngx_event.h>
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	10 #include <ngx_event_quic_connection.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	11
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	12
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	13 static ngx_quic_connection_t ngx_quic_new_connection(ngx_connection_t c,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	14 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	15 static ngx_int_t ngx_quic_handle_stateless_reset(ngx_connection_t *c,
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	16 ngx_quic_header_t *pkt);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	17 static void ngx_quic_input_handler(ngx_event_t *rev);
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	18 static void ngx_quic_close_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	19
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	20 static ngx_int_t ngx_quic_handle_datagram(ngx_connection_t c, ngx_buf_t b,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	21 ngx_quic_conf_t *conf);
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	22 static ngx_int_t ngx_quic_handle_packet(ngx_connection_t *c,
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	23 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	24 static ngx_int_t ngx_quic_handle_payload(ngx_connection_t *c,
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	25 ngx_quic_header_t *pkt);
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	26 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	27 ngx_quic_header_t *pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	28 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	29 ngx_quic_header_t *pkt);
8751 bc910a5ec737 QUIC: separate files for output and ack related processing. Vladimir Homutov <vl@nginx.com> parents: 8750 diff changeset	30
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	31 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	32
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	33
8674 2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	34 static ngx_core_module_t ngx_quic_module_ctx = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	35 ngx_string("quic"),
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	36 NULL,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	37 NULL
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	38 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	39
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	40
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	41 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	42 NGX_MODULE_V1,
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	43 &ngx_quic_module_ctx, /* module context */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	44 NULL, /* module directives */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	45 NGX_CORE_MODULE, /* module type */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	46 NULL, /* init master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	47 NULL, /* init module */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	48 NULL, /* init process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	49 NULL, /* init thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	50 NULL, /* exit thread */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	51 NULL, /* exit process */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	52 NULL, /* exit master */
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	53 NGX_MODULE_V1_PADDING
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	54 };
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	55
2c7f927f7999 QUIC: ngx_quic_module. Vladimir Homutov <vl@nginx.com> parents: 8673 diff changeset	56
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	57 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	58
8751 bc910a5ec737 QUIC: separate files for output and ack related processing. Vladimir Homutov <vl@nginx.com> parents: 8750 diff changeset	59 void
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	60 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	61 {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	62 u_char p, last;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	63 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	64 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	65
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	66 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	67 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	68
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	69 qc = ngx_quic_get_connection(c);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	70
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	71 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	72
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	73 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	74
9048 9c427e98d8c1 QUIC: treat qc->error == -1 as a missing error. Roman Arutyunyan <arut@nginx.com> parents: 9025 diff changeset	75 if (qc->error != (ngx_uint_t) -1) {
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	76 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	77 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	78
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	79 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	80 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	81 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	82 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	83
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	84 p = ngx_slprintf(p, last, "%s", qc->shutdown ? " shutdown" : "");
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	85 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	86 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	87 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	88
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	89 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	90 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	91 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	92
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	93 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	94 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	95 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	96 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	97 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	98
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	99 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	100
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	101 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	102 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	103 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	104 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	105
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	106 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	107 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	108 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	109 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	110
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	111 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	112 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	113 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	114 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	115 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	116
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	117 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	118 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	119 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	120
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	121 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	122
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	123
8753 46161c610919 QUIC: separate files for SSL library interfaces. Vladimir Homutov <vl@nginx.com> parents: 8752 diff changeset	124 ngx_int_t
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	125 ngx_quic_apply_transport_params(ngx_connection_t c, ngx_quic_tp_t ctp)
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	126 {
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	127 ngx_str_t scid;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	128 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	129
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	130 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	131
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	132 scid.data = qc->path->cid->id;
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	133 scid.len = qc->path->cid->len;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	134
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	135 if (scid.len != ctp->initial_scid.len
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	136 \|\| 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	137 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	138 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	139 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	140 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	141 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	142
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	143 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	144 \|\| 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	145 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	146 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	147 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	148
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	149 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	150 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	151 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	152 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	153
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	154 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	155 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	156 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	157
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	158 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	159 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	160 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	161 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	162
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	163 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	164 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	165 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	166
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	167 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	168 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	169 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	170 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	171
8806 f8ad3dd142ad QUIC: consider max_ack_delay=16384 invalid. Roman Arutyunyan <arut@nginx.com> parents: 8797 diff changeset	172 if (ctp->max_ack_delay >= 16384) {
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	173 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	174 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	175
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	176 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	177 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	178 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	179 }
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	180
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	181 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	182 && 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	183 {
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	184 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	185 }
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 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	188 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	189
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	190 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	191
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	192 return NGX_OK;
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
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	195
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	196 void
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	197 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	198 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	199 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	200 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	201
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	202 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	203
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	204 rc = ngx_quic_handle_datagram(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	205 if (rc != NGX_OK) {
8994 e00295b76395 QUIC: revised ngx_quic_handle_datagram() error codes. Vladimir Homutov <vl@nginx.com> parents: 8986 diff changeset	206 ngx_quic_close_connection(c, rc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	207 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	208 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	209
8994 e00295b76395 QUIC: revised ngx_quic_handle_datagram() error codes. Vladimir Homutov <vl@nginx.com> parents: 8986 diff changeset	210 /* quic connection is now created */
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	211 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	212
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	213 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
9158 ad3d34ddfdcc QUIC: "handshake_timeout" configuration parameter. Roman Arutyunyan <arut@nginx.com> parents: 9157 diff changeset	214 ngx_add_timer(&qc->close, qc->conf->handshake_timeout);
ad3d34ddfdcc QUIC: "handshake_timeout" configuration parameter. Roman Arutyunyan <arut@nginx.com> parents: 9157 diff changeset	215
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	216 ngx_quic_connstate_dbg(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	217
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	218 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	219
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	220 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	221 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	222
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	223
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	224 static ngx_quic_connection_t *
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	225 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	226 ngx_quic_header_t *pkt)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	227 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	228 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	229 ngx_quic_tp_t *ctp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	230 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	231
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	232 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	233 if (qc == NULL) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	234 return NULL;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	235 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	236
9025 e50f77a2d0b0 QUIC: removed ngx_quic_keys_new(). Vladimir Homutov <vl@nginx.com> parents: 9024 diff changeset	237 qc->keys = ngx_pcalloc(c->pool, sizeof(ngx_quic_keys_t));
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	238 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	239 return NULL;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	240 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	241
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	242 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	243
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	244 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	245 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	246
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	247 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	248 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	249 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	250 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	251 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	252 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	253 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	254 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	255 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	256
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	257 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	258 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	259 qc->send_ctx[2].level = ssl_encryption_application;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	260
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	261 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	262
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	263 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	264 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	265 qc->min_rtt = NGX_TIMER_INFINITE;
8792 004172345bdc QUIC: persistent congestion calculation. Vladimir Homutov <vl@nginx.com> parents: 8791 diff changeset	266 qc->first_rtt = NGX_TIMER_INFINITE;
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	267
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	268 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	269 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	270 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	271
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	272 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	273 qc->pto.data = c;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	274 qc->pto.handler = ngx_quic_pto_handler;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	275
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	276 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	277 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	278 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	279
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	280 qc->close.log = c->log;
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	281 qc->close.data = c;
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	282 qc->close.handler = ngx_quic_close_handler;
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	283
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	284 qc->path_validation.log = c->log;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	285 qc->path_validation.data = c;
9147 58afcd72446f QUIC: path MTU discovery. Roman Arutyunyan <arut@nginx.com> parents: 9144 diff changeset	286 qc->path_validation.handler = ngx_quic_path_handler;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	287
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	288 qc->key_update.log = c->log;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	289 qc->key_update.data = c;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	290 qc->key_update.handler = ngx_quic_keys_update;
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	291
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	292 qc->conf = conf;
8924 d6ef13c5fd8e QUIC: simplified configuration. Vladimir Homutov <vl@nginx.com> parents: 8913 diff changeset	293
d6ef13c5fd8e QUIC: simplified configuration. Vladimir Homutov <vl@nginx.com> parents: 8913 diff changeset	294 if (ngx_quic_init_transport_params(&qc->tp, conf) != NGX_OK) {
d6ef13c5fd8e QUIC: simplified configuration. Vladimir Homutov <vl@nginx.com> parents: 8913 diff changeset	295 return NULL;
d6ef13c5fd8e QUIC: simplified configuration. Vladimir Homutov <vl@nginx.com> parents: 8913 diff changeset	296 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	297
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	298 ctp = &qc->ctp;
8701 ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	299
ba9e34c03968 QUIC: added check of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8698 diff changeset	300 /* defaults to be used before actual client parameters are received */
9147 58afcd72446f QUIC: path MTU discovery. Roman Arutyunyan <arut@nginx.com> parents: 9144 diff changeset	301 ctp->max_udp_payload_size = NGX_QUIC_MAX_UDP_PAYLOAD_SIZE;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	302 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	303 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	304 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	305
8827 fe919fd63b0b QUIC: client certificate validation with OCSP. Sergey Kandaurov <pluknet@nginx.com> parents: 8822 diff changeset	306 ngx_queue_init(&qc->streams.uninitialized);
9010 a5aebd51e4c7 QUIC: stream lingering. Roman Arutyunyan <arut@nginx.com> parents: 9007 diff changeset	307 ngx_queue_init(&qc->streams.free);
8827 fe919fd63b0b QUIC: client certificate validation with OCSP. Sergey Kandaurov <pluknet@nginx.com> parents: 8822 diff changeset	308
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	309 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	310 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	311
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	312 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	313 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	314
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	315 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	316 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	317 14720));
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	318 qc->congestion.ssthresh = (size_t) -1;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	319 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	320
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	321 if (pkt->validated && pkt->retried) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	322 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	323 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	324 if (qc->tp.retry_scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	325 return NULL;
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 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	328
9024 f2925c80401c QUIC: avoided pool usage in ngx_quic_protection.c. Vladimir Homutov <vl@nginx.com> parents: 9017 diff changeset	329 if (ngx_quic_keys_set_initial_secret(qc->keys, &pkt->dcid, c->log)
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	330 != NGX_OK)
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	331 {
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	332 return NULL;
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
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	335 qc->validated = pkt->validated;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	336
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	337 if (ngx_quic_open_sockets(c, qc, pkt) != NGX_OK) {
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	338 ngx_quic_keys_cleanup(qc->keys);
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	339 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	340 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	341
9055 1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	342 c->idle = 1;
9051 37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	343 ngx_reusable_connection(c, 1);
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	344
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	345 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	346 "quic connection created");
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	347
8746 0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	348 return qc;
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	349 }
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	350
0c628de2e2b7 QUIC: separate function for connection ids initialization. Vladimir Homutov <vl@nginx.com> parents: 8745 diff changeset	351
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	352 static ngx_int_t
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	353 ngx_quic_handle_stateless_reset(ngx_connection_t c, ngx_quic_header_t pkt)
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	354 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	355 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	356 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	357 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	358 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	359 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	360
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	361 qc = ngx_quic_get_connection(c);
8562 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 /* A stateless reset uses an entire UDP datagram */
8912 50d73bf20e73 QUIC: refactored multiple QUIC packets handling. Vladimir Homutov <vl@nginx.com> parents: 8909 diff changeset	364 if (!pkt->first) {
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	365 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	366 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	367
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	368 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	369
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	370 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	371 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	372 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	373 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	374 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	375
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	376 if (cid->seqnum == 0 \|\| !cid->used) {
8877 b5296bd8631c QUIC: Check if CID has been used in stateless reset check Martin Duke <m.duke@f5.com> parents: 8846 diff changeset	377 /*
b5296bd8631c QUIC: Check if CID has been used in stateless reset check Martin Duke <m.duke@f5.com> parents: 8846 diff changeset	378 * No stateless reset token in initial connection id.
b5296bd8631c QUIC: Check if CID has been used in stateless reset check Martin Duke <m.duke@f5.com> parents: 8846 diff changeset	379 * Don't accept a token from an unused connection id.
b5296bd8631c QUIC: Check if CID has been used in stateless reset check Martin Duke <m.duke@f5.com> parents: 8846 diff changeset	380 */
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	381 continue;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	382 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	383
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	384 /* constant time comparison */
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 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	387 ch \|= tail[i] ^ cid->sr_token[i];
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 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	391 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	392 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	393 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	394
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	395 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	396 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	397
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	398
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	399 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	400 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	401 {
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	402 ngx_int_t rc;
8730 90ae21799f67 QUIC: do not copy input data. Roman Arutyunyan <arut@nginx.com> parents: 8724 diff changeset	403 ngx_buf_t *b;
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	404 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	405 ngx_quic_connection_t *qc;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	406
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	407 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	408
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	409 c = rev->data;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	410 qc = ngx_quic_get_connection(c);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	411
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	412 c->log->action = "handling quic input";
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	413
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	414 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	415 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	416 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	417 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	418 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	419 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	420
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	421 if (c->close) {
9055 1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	422 c->close = 0;
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	423
9160 dd5fd5719027 QUIC: do not call shutdown() when handshake is in progress. Roman Arutyunyan <arut@nginx.com> parents: 9158 diff changeset	424 if (!ngx_exiting \|\| !qc->streams.initialized) {
9055 1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	425 qc->error = NGX_QUIC_ERR_NO_ERROR;
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	426 qc->error_reason = "graceful shutdown";
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	427 ngx_quic_close_connection(c, NGX_ERROR);
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	428 return;
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	429 }
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	430
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	431 if (!qc->closing && qc->conf->shutdown) {
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	432 qc->conf->shutdown(c);
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	433 }
1192923be0aa QUIC: idle mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9051 diff changeset	434
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	435 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	436 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	437
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	438 b = c->udp->buffer;
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	439 if (b == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	440 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	441 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	442
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	443 rc = ngx_quic_handle_datagram(c, b, NULL);
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	444
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	445 if (rc == NGX_ERROR) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	446 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	447 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	448 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	449
8994 e00295b76395 QUIC: revised ngx_quic_handle_datagram() error codes. Vladimir Homutov <vl@nginx.com> parents: 8986 diff changeset	450 if (rc == NGX_DONE) {
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	451 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	452 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	453
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	454 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	455
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	456 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	457 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	458
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	459 ngx_quic_connstate_dbg(c);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	460 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	461
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	462
8736 714e9af983de QUIC: separate header for ngx_quic_connection_t. Vladimir Homutov <vl@nginx.com> parents: 8735 diff changeset	463 void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	464 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	465 {
8995 19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	466 ngx_uint_t i;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	467 ngx_pool_t *pool;
8995 19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	468 ngx_quic_send_ctx_t *ctx;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	469 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	470
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	471 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	472
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	473 if (qc == NULL) {
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	474 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	475 "quic packet rejected rc:%i, cleanup connection", rc);
8995 19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	476 goto quic_done;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	477 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	478
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	479 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	480 "quic close %s rc:%i",
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	481 qc->closing ? "resumed": "initiated", rc);
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	482
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	483 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	484
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	485 /* 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	486 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
9092 9553eea74f2a QUIC: optimized immediate close. Roman Arutyunyan <arut@nginx.com> parents: 9056 diff changeset	487 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
8652 e9bd4305e68b QUIC: fixed send contexts cleanup. Vladimir Homutov <vl@nginx.com> parents: 8651 diff changeset	488 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	489 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	490
9158 ad3d34ddfdcc QUIC: "handshake_timeout" configuration parameter. Roman Arutyunyan <arut@nginx.com> parents: 9157 diff changeset	491 if (qc->close.timer_set) {
ad3d34ddfdcc QUIC: "handshake_timeout" configuration parameter. Roman Arutyunyan <arut@nginx.com> parents: 9157 diff changeset	492 ngx_del_timer(&qc->close);
ad3d34ddfdcc QUIC: "handshake_timeout" configuration parameter. Roman Arutyunyan <arut@nginx.com> parents: 9157 diff changeset	493 }
ad3d34ddfdcc QUIC: "handshake_timeout" configuration parameter. Roman Arutyunyan <arut@nginx.com> parents: 9157 diff changeset	494
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	495 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	496
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	497 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	498 * RFC 9000, 10.1. Idle Timeout
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	499 *
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	500 * 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	501 * transport parameters (Section 18.2), the connection is silently
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	502 * 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	503 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	504
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	505 /* this case also handles some errors from ngx_quic_run() */
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	506
9015 a2fbae359828 QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 9011 diff changeset	507 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
a2fbae359828 QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 9011 diff changeset	508 "quic close silent drain:%d timedout:%d",
a2fbae359828 QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 9011 diff changeset	509 qc->draining, c->read->timedout);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	510 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	511
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	512 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	513 * RFC 9000, 10.2. Immediate Close
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	514 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	515 * 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	516 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	517 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	518
9049 2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	519 if (qc->error == (ngx_uint_t) -1) {
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	520 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	521 qc->error_app = 0;
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	522 }
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	523
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	524 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	525 "quic close immediate term:%d drain:%d "
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	526 "%serror:%ui \"%s\"",
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	527 rc == NGX_ERROR ? 1 : 0, qc->draining,
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	528 qc->error_app ? "app " : "", qc->error,
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	529 qc->error_reason ? qc->error_reason : "");
2b4891fa0fbc QUIC: made ngx_quic_finalize_connecion() more graceful. Roman Arutyunyan <arut@nginx.com> parents: 9048 diff changeset	530
9156 36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	531 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	532 ctx = &qc->send_ctx[i];
36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	533
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9162 diff changeset	534 if (!ngx_quic_keys_available(qc->keys, ctx->level, 1)) {
9156 36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	535 continue;
36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	536 }
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	537
9156 36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	538 qc->error_level = ctx->level;
36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	539 (void) ngx_quic_send_cc(c);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	540
9162 f9845e4b5c14 QUIC: simplified setting close timer when closing connection. Roman Arutyunyan <arut@nginx.com> parents: 9160 diff changeset	541 if (rc == NGX_OK) {
9156 36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	542 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
36b59521a41c QUIC: refined sending CONNECTION_CLOSE in various packet types. Sergey Kandaurov <pluknet@nginx.com> parents: 9153 diff changeset	543 }
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	544 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	545 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	546
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	547 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	548 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	549
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	550 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	551 /* 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	552 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	553 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	554
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	555 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
8995 19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	556 return;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	557 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	558
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	559 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	560 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	561 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	562
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	563 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	564 ngx_del_timer(&qc->pto);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	565 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	566
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	567 if (qc->path_validation.timer_set) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	568 ngx_del_timer(&qc->path_validation);
8434 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	569 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	570
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	571 if (qc->push.posted) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	572 ngx_delete_posted_event(&qc->push);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	573 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	574
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	575 if (qc->key_update.posted) {
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	576 ngx_delete_posted_event(&qc->key_update);
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	577 }
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	578
8553 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	579 if (qc->close.timer_set) {
8995 19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	580 return;
8553 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	581 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	582
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	583 if (qc->close.posted) {
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	584 ngx_delete_posted_event(&qc->close);
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	585 }
aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	586
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	587 ngx_quic_close_sockets(c);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	588
9172 4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	589 ngx_quic_keys_cleanup(qc->keys);
4ccb0d973206 QUIC: reusing crypto contexts for packet protection. Sergey Kandaurov <pluknet@nginx.com> parents: 9168 diff changeset	590
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	591 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic close completed");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	592
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	593 /* 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	594 c->udp = NULL;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	595
8995 19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	596 quic_done:
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	597
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	598 if (c->ssl) {
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	599 (void) ngx_ssl_shutdown(c);
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	600 }
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	601
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	602 if (c->read->timer_set) {
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	603 ngx_del_timer(c->read);
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	604 }
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	605
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	606 #if (NGX_STAT_STUB)
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	607 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	608 #endif
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	609
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	610 c->destroyed = 1;
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	611
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	612 pool = c->pool;
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	613
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	614 ngx_close_connection(c);
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	615
19251fb83187 QUIC: merged ngx_quic_close_quic() and ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8994 diff changeset	616 ngx_destroy_pool(pool);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	617 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	618
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	619
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	620 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	621 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	622 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	623 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	624 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	625
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	626 qc = ngx_quic_get_connection(c);
9051 37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	627
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	628 if (qc->closing) {
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	629 return;
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	630 }
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	631
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	632 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	633 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	634 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	635 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	636
9051 37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	637 ngx_post_event(&qc->close, &ngx_posted_events);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	638 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	639
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	640
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	641 void
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	642 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	643 const char *reason)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	644 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	645 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	646
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	647 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	648 qc->shutdown = 1;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	649 qc->shutdown_code = err;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	650 qc->shutdown_reason = reason;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	651
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	652 ngx_quic_shutdown_quic(c);
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	653 }
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	654
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	655
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	656 static void
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	657 ngx_quic_close_handler(ngx_event_t *ev)
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	658 {
9051 37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	659 ngx_connection_t *c;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	660
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	661 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close handler");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	662
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	663 c = ev->data;
9050 aaca8e111959 QUIC: post close event for connection close. Roman Arutyunyan <arut@nginx.com> parents: 9049 diff changeset	664
9051 37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	665 ngx_quic_close_connection(c, NGX_OK);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	666 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	667
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	668
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	669 static ngx_int_t
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	670 ngx_quic_handle_datagram(ngx_connection_t c, ngx_buf_t b,
03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	671 ngx_quic_conf_t *conf)
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	672 {
8882 6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	673 size_t size;
8912 50d73bf20e73 QUIC: refactored multiple QUIC packets handling. Vladimir Homutov <vl@nginx.com> parents: 8909 diff changeset	674 u_char p, start;
8882 6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	675 ngx_int_t rc;
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	676 ngx_uint_t good;
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	677 ngx_quic_path_t *path;
8882 6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	678 ngx_quic_header_t pkt;
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	679 ngx_quic_connection_t *qc;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	680
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	681 good = 0;
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	682 path = NULL;
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	683
8882 6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	684 size = b->last - b->pos;
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	685
8912 50d73bf20e73 QUIC: refactored multiple QUIC packets handling. Vladimir Homutov <vl@nginx.com> parents: 8909 diff changeset	686 p = start = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	687
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	688 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	689
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	690 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	691 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	692 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	693 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	694 pkt.log = c->log;
8912 50d73bf20e73 QUIC: refactored multiple QUIC packets handling. Vladimir Homutov <vl@nginx.com> parents: 8909 diff changeset	695 pkt.first = (p == start) ? 1 : 0;
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	696 pkt.path = path;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	697 pkt.flags = p[0];
8559 a89a58c642ef QUIC: simplified packet header parsing. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	698 pkt.raw->pos++;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	699
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	700 rc = ngx_quic_handle_packet(c, conf, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	701
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	702 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	703 if (pkt.parsed) {
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	704 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	705 "quic packet done rc:%i level:%s"
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	706 " decr:%d pn:%L perr:%ui",
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	707 rc, ngx_quic_level_name(pkt.level),
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	708 pkt.decrypted, pkt.pn, pkt.error);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	709 } else {
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	710 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	711 "quic packet done rc:%i parse failed", rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	712 }
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	713 #endif
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	714
8994 e00295b76395 QUIC: revised ngx_quic_handle_datagram() error codes. Vladimir Homutov <vl@nginx.com> parents: 8986 diff changeset	715 if (rc == NGX_ERROR \|\| rc == NGX_DONE) {
e00295b76395 QUIC: revised ngx_quic_handle_datagram() error codes. Vladimir Homutov <vl@nginx.com> parents: 8986 diff changeset	716 return rc;
8686 dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	717 }
dffb66fb783b QUIC: stateless retry. Vladimir Homutov <vl@nginx.com> parents: 8676 diff changeset	718
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	719 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	720 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	721 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	722
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	723 path = pkt.path; /* preserve packet path from 1st packet */
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	724
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	725 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	726
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	727 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	728 * 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	729 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	730 * 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	731 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	732 *
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	733 * RFC 9000, 12.2. Coalescing Packets
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	734 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	735 * For example, if decryption fails (because the keys are
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	736 * 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	737 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	738 * attempt to process the remaining packets.
8535 eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	739 *
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	740 * 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	741 * or cannot be parsed properly.
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	742 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	743
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	744 /* 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	745 b->pos = pkt.data + pkt.len;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	746
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	747 p = b->pos;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	748 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	749
8882 6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	750 if (!good) {
8994 e00295b76395 QUIC: revised ngx_quic_handle_datagram() error codes. Vladimir Homutov <vl@nginx.com> parents: 8986 diff changeset	751 return NGX_DONE;
8882 6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	752 }
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	753
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	754 qc = ngx_quic_get_connection(c);
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	755
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	756 if (qc) {
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	757 qc->received += size;
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	758
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	759 if ((uint64_t) (c->sent + qc->received) / 8 >
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	760 (qc->streams.sent + qc->streams.recv_last) + 1048576)
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	761 {
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	762 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic flood detected");
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	763
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	764 qc->error = NGX_QUIC_ERR_NO_ERROR;
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	765 qc->error_reason = "QUIC flood detected";
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	766 return NGX_ERROR;
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	767 }
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	768 }
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	769
6204120cf37f QUIC: traffic-based flood detection. Roman Arutyunyan <arut@nginx.com> parents: 8878 diff changeset	770 return NGX_OK;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	771 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	772
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	773
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	774 static ngx_int_t
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	775 ngx_quic_handle_packet(ngx_connection_t c, ngx_quic_conf_t conf,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	776 ngx_quic_header_t *pkt)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	777 {
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	778 ngx_int_t rc;
9017 c2f5d79cde64 QUIC: separate UDP framework for QUIC. Roman Arutyunyan <arut@nginx.com> parents: 9015 diff changeset	779 ngx_quic_socket_t *qsock;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	780 ngx_quic_connection_t *qc;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	781
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	782 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	783
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	784 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	785
8996 430755fcdb61 QUIC: dead code removed. Vladimir Homutov <vl@nginx.com> parents: 8995 diff changeset	786 if (rc == NGX_ERROR) {
430755fcdb61 QUIC: dead code removed. Vladimir Homutov <vl@nginx.com> parents: 8995 diff changeset	787 return NGX_DECLINED;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	788 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	789
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	790 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	791
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	792 c->log->action = "handling quic packet";
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	793
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	794 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	795 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	796 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	797
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	798 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	799 if (pkt->level != ssl_encryption_application) {
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	800 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	801 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	802 pkt->scid.len, &pkt->scid);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	803 }
8641 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	804
fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	805 if (pkt->level == ssl_encryption_initial) {
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	806 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	807 "quic address validation token len:%uz %xV",
8651 dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro. Vladimir Homutov <vl@nginx.com> parents: 8642 diff changeset	808 pkt->token.len, &pkt->token);
8641 fe53def49945 QUIC: refactored long header parsing. Sergey Kandaurov <pluknet@nginx.com> parents: 8639 diff changeset	809 }
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	810 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	811
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	812 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	813
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	814 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	815
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	816 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	817 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	818 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	819 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	820 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	821
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	822 if (pkt->level != ssl_encryption_application) {
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	823
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	824 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	825 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	826 "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	827 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	828 }
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	829
8913 40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	830 if (pkt->first) {
9017 c2f5d79cde64 QUIC: separate UDP framework for QUIC. Roman Arutyunyan <arut@nginx.com> parents: 9015 diff changeset	831 qsock = ngx_quic_get_socket(c);
c2f5d79cde64 QUIC: separate UDP framework for QUIC. Roman Arutyunyan <arut@nginx.com> parents: 9015 diff changeset	832
c2f5d79cde64 QUIC: separate UDP framework for QUIC. Roman Arutyunyan <arut@nginx.com> parents: 9015 diff changeset	833 if (ngx_cmp_sockaddr(&qsock->sockaddr.sockaddr, qsock->socklen,
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	834 qc->path->sockaddr, qc->path->socklen, 1)
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	835 != NGX_OK)
8913 40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	836 {
40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	837 /* packet comes from unknown path, possibly migration */
40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	838 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
9015 a2fbae359828 QUIC: fixed indentation. Sergey Kandaurov <pluknet@nginx.com> parents: 9011 diff changeset	839 "quic too early migration attempt");
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	840 return NGX_DONE;
8913 40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	841 }
40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	842 }
40445fc7c403 QUIC: fixed migration during NAT rebinding. Vladimir Homutov <vl@nginx.com> parents: 8912 diff changeset	843
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	844 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	845 return NGX_DECLINED;
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	846 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	847
8878 c4f249d485e3 QUIC: attempt decrypt before checking for stateless reset. Martin Duke <m.duke@f5.com> parents: 8877 diff changeset	848 }
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	849
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	850 rc = ngx_quic_handle_payload(c, pkt);
8878 c4f249d485e3 QUIC: attempt decrypt before checking for stateless reset. Martin Duke <m.duke@f5.com> parents: 8877 diff changeset	851
c4f249d485e3 QUIC: attempt decrypt before checking for stateless reset. Martin Duke <m.duke@f5.com> parents: 8877 diff changeset	852 if (rc == NGX_DECLINED && pkt->level == ssl_encryption_application) {
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	853 if (ngx_quic_handle_stateless_reset(c, pkt) == NGX_OK) {
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	854 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	855 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	856
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	857 qc->draining = 1;
9112 d59277dd3d8c QUIC: fixed post-close use-after-free. Roman Arutyunyan <arut@nginx.com> parents: 9092 diff changeset	858 ngx_post_event(&qc->close, &ngx_posted_events);
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	859
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	860 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	861 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	862 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	863
8878 c4f249d485e3 QUIC: attempt decrypt before checking for stateless reset. Martin Duke <m.duke@f5.com> parents: 8877 diff changeset	864 return rc;
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	865 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	866
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	867 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	868
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	869 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	870 return ngx_quic_negotiate_version(c, pkt);
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
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	873 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	874 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	875 }
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 if (pkt->level != ssl_encryption_initial) {
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	878 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	879 "quic expected initial, got handshake");
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	880 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	881 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	882
8998 308ac307b3e6 QUIC: improved debug logging. Vladimir Homutov <vl@nginx.com> parents: 8996 diff changeset	883 c->log->action = "handling initial packet";
8687 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 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	886 /* RFC 9000, 7.2. Negotiating Connection IDs */
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	887 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	888 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	889 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	890 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	891 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	892
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	893 /* process retry and initialize connection IDs */
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 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	896
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	897 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	898
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	899 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	900 /* internal error */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	901 return NGX_ERROR;
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 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	904 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	905 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	906 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	907 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	908 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	909 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	910
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	911 if (pkt->retried) {
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	912 /* invalid address validation token */
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	913 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	914 NGX_QUIC_ERR_INVALID_TOKEN,
8694 cef042935003 QUIC: the "quic_host_key" directive. Vladimir Homutov <vl@nginx.com> parents: 8693 diff changeset	915 "invalid address validation token");
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	916 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	917 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	918 return ngx_quic_send_retry(c, conf, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	919 }
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	920 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	921
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	922 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	923
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	924 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	925 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	926
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	927 } else {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	928 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	929 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	930
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	931 if (ngx_terminate \|\| ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	932 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	933 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	934 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	935
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	936 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	937 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	938
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	939 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	940
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	941 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	942 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	943 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	944 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	945
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	946 return ngx_quic_handle_payload(c, pkt);
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	947 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	948
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	949
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	950 static ngx_int_t
8953 03b40440c13d QUIC: renamed input handling functions. Roman Arutyunyan <arut@nginx.com> parents: 8948 diff changeset	951 ngx_quic_handle_payload(ngx_connection_t c, ngx_quic_header_t pkt)
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	952 {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	953 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	954 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	955 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	956 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	957
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	958 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	959
9048 9c427e98d8c1 QUIC: treat qc->error == -1 as a missing error. Roman Arutyunyan <arut@nginx.com> parents: 9025 diff changeset	960 qc->error = (ngx_uint_t) -1;
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	961 qc->error_reason = 0;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	962
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	963 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	964
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9162 diff changeset	965 if (!ngx_quic_keys_available(qc->keys, pkt->level, 0)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	966 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8793 80d396fd8ee8 QUIC: improved errors readability. Vladimir Homutov <vl@nginx.com> parents: 8792 diff changeset	967 "quic no %s keys, ignoring packet",
80d396fd8ee8 QUIC: improved errors readability. Vladimir Homutov <vl@nginx.com> parents: 8792 diff changeset	968 ngx_quic_level_name(pkt->level));
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	969 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	970 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	971
8816 7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8806 diff changeset	972 #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	973 /* 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	974
9157 daf8f5ba23d8 QUIC: removed use of SSL_quic_read_level and SSL_quic_write_level. Sergey Kandaurov <pluknet@nginx.com> parents: 9156 diff changeset	975 if (pkt->level == ssl_encryption_application && !c->ssl->handshaked) {
8816 7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8806 diff changeset	976 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	977 "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	978 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	979 return NGX_DECLINED;
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8806 diff changeset	980 }
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8806 diff changeset	981 #endif
7f29db5294bd QUIC: avoid processing 1-RTT with incomplete handshake in OpenSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 8806 diff changeset	982
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	983 pkt->keys = qc->keys;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	984 pkt->key_phase = qc->key_phase;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	985 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	986
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	987 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	988
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	989 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	990 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	991 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	992 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	993 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	994 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	995
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	996 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	997
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	998 c->log->action = "handling decrypted packet";
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	999
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1000 if (pkt->path == NULL) {
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1001 rc = ngx_quic_set_path(c, pkt);
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1002 if (rc != NGX_OK) {
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1003 return rc;
8912 50d73bf20e73 QUIC: refactored multiple QUIC packets handling. Vladimir Homutov <vl@nginx.com> parents: 8909 diff changeset	1004 }
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1005 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1006
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1007 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1008 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1009 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1010 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1011 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1012
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1013 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1014 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1015 * RFC 9001, 4.9.1. Discarding Initial Keys
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1016 *
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1017 * The successful use of Handshake packets indicates
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1018 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1019 */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1020 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	1021
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1022 if (!qc->path->validated) {
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1023 qc->path->validated = 1;
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1024 ngx_quic_path_dbg(c, "in handshake", qc->path);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1025 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	1026 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1027 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1028
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1029 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1030 /*
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1031 * RFC 9000, 10.2. Immediate Close
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1032 *
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1033 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1034 *
8797 4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1035 * In the closing state, an endpoint retains only enough information
4715f3e669f1 QUIC: updated specification references. Sergey Kandaurov <pluknet@nginx.com> parents: 8793 diff changeset	1036 * 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	1037 * identify packets as belonging to the connection.
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1038 */
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1039
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1040 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1041 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1042 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1043 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1044 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1045
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1046 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1047 }
1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1048
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	1049 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	1050
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1051 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	1052
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1053 if (pkt->level != ssl_encryption_application) {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1054 return ngx_quic_handle_frames(c, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1055 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1056
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1057 if (!pkt->key_update) {
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1058 return ngx_quic_handle_frames(c, pkt);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1059 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1060
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1061 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1062
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1063 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1064 ngx_quic_keys_switch(c, qc->keys);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1065
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1066 rc = ngx_quic_handle_frames(c, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1067 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1068 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1069 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1070
9152 2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	1071 ngx_post_event(&qc->key_update, &ngx_posted_events);
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	1072
2880f60a80c3 QUIC: posted generating TLS Key Update next keys. Sergey Kandaurov <pluknet@nginx.com> parents: 9147 diff changeset	1073 return NGX_OK;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1074 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1075
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	1076
8753 46161c610919 QUIC: separate files for SSL library interfaces. Vladimir Homutov <vl@nginx.com> parents: 8752 diff changeset	1077 void
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1078 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	1079 {
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1080 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1081 ngx_quic_frame_t *f;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1082 ngx_quic_socket_t *qsock;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	1083 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	1084 ngx_quic_connection_t *qc;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1085
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1086 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	1087
9168 ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9162 diff changeset	1088 if (!ngx_quic_keys_available(qc->keys, level, 0)
ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9162 diff changeset	1089 && !ngx_quic_keys_available(qc->keys, level, 1))
ff98ae7d261e QUIC: split keys availability checks to read and write sides. Sergey Kandaurov <pluknet@nginx.com> parents: 9162 diff changeset	1090 {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1091 return;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1092 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1093
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1094 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1095
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1096 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1097
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1098 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	1099
9011 f9c788f3f5cc QUIC: ngx_quic_buffer_t object. Roman Arutyunyan <arut@nginx.com> parents: 9010 diff changeset	1100 ngx_quic_free_buffer(c, &ctx->crypto);
8782 b3f6ad181df4 QUIC: refactored CRYPTO and STREAM buffer ordering. Roman Arutyunyan <arut@nginx.com> parents: 8778 diff changeset	1101
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1102 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	1103 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	1104 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1105
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	1106 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	1107 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	1108 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	1109 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1110
8612 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1111 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1112 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1113 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1114
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1115 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	1116 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1117 }
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	1118
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1119 if (level == ssl_encryption_initial) {
9153 8f7e6d8c061e QUIC: use last client dcid to receive initial packets. Roman Arutyunyan <arut@nginx.com> parents: 9152 diff changeset	1120 /* close temporary listener with initial dcid */
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1121 qsock = ngx_quic_find_socket(c, NGX_QUIC_UNSET_PN);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1122 if (qsock) {
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1123 ngx_quic_close_socket(c, qsock);
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1124 }
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1125 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1126
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1127 ctx->send_ack = 0;
8697 faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	1128
faa3201ff351 QUIC: improved setting the lost timer. Roman Arutyunyan <arut@nginx.com> parents: 8696 diff changeset	1129 ngx_quic_set_lost_timer(c);
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1130 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1131
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1132
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1133 static ngx_int_t
8688 a346905c359f QUIC: fixed stateless reset recognition and send. Roman Arutyunyan <arut@nginx.com> parents: 8687 diff changeset	1134 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	1135 {
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1136 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1137 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	1138
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1139 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	1140 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1141 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1142 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1143 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	1144
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1145 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1146 && 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	1147 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1148 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1149 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1150 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1151
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1152 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	1153 return NGX_ERROR;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1154 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1155
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1156
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1157 static ngx_int_t
8687 1c6343bd7933 QUIC: refactored packet processing. Roman Arutyunyan <arut@nginx.com> parents: 8686 diff changeset	1158 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	1159 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1160 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1161 ssize_t len;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1162 ngx_buf_t buf;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1163 ngx_uint_t do_close, nonprobing;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1164 ngx_chain_t chain;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1165 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1166 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1167
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1168 qc = ngx_quic_get_connection(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1169
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1170 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1171 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1172
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1173 do_close = 0;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1174 nonprobing = 0;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1175
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1176 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1177
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1178 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1179
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1180 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1181 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	1182 buf.temporary = 1;
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1183
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1184 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1185 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1186 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1187
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	1188 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	1189
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1190 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1191 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1192 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1193 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1194
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	1195 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	1196
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1197 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	1198
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1199 p += len;
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 switch (frame.type) {
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1202 /* probing frames */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1203 case NGX_QUIC_FT_PADDING:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1204 case NGX_QUIC_FT_PATH_CHALLENGE:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1205 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	1206 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1207 break;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1208
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1209 /* non-probing frames */
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1210 default:
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1211 nonprobing = 1;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1212 break;
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1213 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1214
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1215 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1216
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1217 case NGX_QUIC_FT_ACK:
8657 2dfc5ef29973 QUIC: introduced QUIC buffers. Roman Arutyunyan <arut@nginx.com> parents: 8656 diff changeset	1218 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	1219 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1220 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1221
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1222 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1223
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1224 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1225 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1226 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1227
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1228 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1229 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	1230 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1231 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1232 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1233
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1234 /* got there with ack-eliciting packet */
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1235 pkt->need_ack = 1;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1236
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1237 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1238
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1239 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1240
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1241 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	1242 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1243 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1244
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1245 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1246
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1247 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1248 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1249
8820 4009f120cad4 QUIC: eliminated stream type from ngx_quic_stream_frame_t. Roman Arutyunyan <arut@nginx.com> parents: 8816 diff changeset	1250 case NGX_QUIC_FT_STREAM:
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1251
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1252 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	1253 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1254 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1255
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1256 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1257
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1258 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	1259
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1260 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	1261 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1262 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1263 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1264
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1265 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	1266
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1267 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1268 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1269
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1270 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	1271 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1272 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1273 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1274 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1275 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	1276
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1277 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	1278
8909 d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1279 case NGX_QUIC_FT_DATA_BLOCKED:
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1280
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1281 if (ngx_quic_handle_data_blocked_frame(c, pkt,
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1282 &frame.u.data_blocked)
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1283 != NGX_OK)
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1284 {
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1285 return NGX_ERROR;
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1286 }
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1287
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1288 break;
d041b8d6ab0b QUIC: handle DATA_BLOCKED frame from client. Roman Arutyunyan <arut@nginx.com> parents: 8882 diff changeset	1289
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1290 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	1291
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1292 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	1293 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1294 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1295 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1296 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1297 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1298
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1299 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	1300
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1301 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	1302
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1303 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	1304 &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	1305 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1306 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1307 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1308 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1309
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1310 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1311
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1312 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	1313
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1314 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	1315 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1316 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1317 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1318 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1319 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1320
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1321 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1322
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1323 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	1324
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1325 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	1326 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1327 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1328 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1329 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1330 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1331
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1332 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	1333
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1334 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1335 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1336
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1337 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	1338 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1339 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1340 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1341 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1342
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1343 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	1344
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1345 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1346
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1347 if (ngx_quic_handle_path_challenge_frame(c, pkt,
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1348 &frame.u.path_challenge)
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1349 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1350 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1351 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1352 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1353
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1354 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	1355
8737 76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1356 case NGX_QUIC_FT_PATH_RESPONSE:
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1357
8778 5186ee5a94b9 QUIC: simplified sending 1-RTT only frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8776 diff changeset	1358 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	1359 != NGX_OK)
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1360 {
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1361 return NGX_ERROR;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1362 }
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1363
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1364 break;
76f476ce4d31 QUIC: distinct files for connection migration. Vladimir Homutov <vl@nginx.com> parents: 8736 diff changeset	1365
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1366 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	1367
8778 5186ee5a94b9 QUIC: simplified sending 1-RTT only frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8776 diff changeset	1368 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	1369 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1370 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1371 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1372 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1373
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1374 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1375
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	1376 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1377
8778 5186ee5a94b9 QUIC: simplified sending 1-RTT only frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8776 diff changeset	1378 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	1379 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1380 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1381 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1382 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1383 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1384
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1385 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1386
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1387 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	1388 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1389 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1390 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1391 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1392 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1393
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1394 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1395 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	1396 "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	1397
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	1398 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1399 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1400 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1401
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1402 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1403 qc->draining = 1;
9112 d59277dd3d8c QUIC: fixed post-close use-after-free. Roman Arutyunyan <arut@nginx.com> parents: 9092 diff changeset	1404 ngx_post_event(&qc->close, &ngx_posted_events);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1405 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1406
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1407 if (pkt->path != qc->path && nonprobing) {
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1408
8971 1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1409 /*
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1410 * RFC 9000, 9.2. Initiating Connection Migration
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1411 *
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1412 * An endpoint can migrate a connection to a new local
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1413 * address by sending packets containing non-probing frames
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1414 * from that address.
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1415 */
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1416 if (ngx_quic_handle_migration(c, pkt) != NGX_OK) {
1e2f4e9c8195 QUIC: reworked migration handling. Vladimir Homutov <vl@nginx.com> parents: 8953 diff changeset	1417 return NGX_ERROR;
8763 4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1418 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1419 }
4117aa7fa38e QUIC: connection migration. Vladimir Homutov <vl@nginx.com> parents: 8753 diff changeset	1420
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1421 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	1422 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1423 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1424
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1425 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1426 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1427
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	1428
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1429 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1430 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1431 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	1432 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1433
8978 c37ea624c307 QUIC: changed debug message. Roman Arutyunyan <arut@nginx.com> parents: 8971 diff changeset	1434 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push handler");
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1435
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1436 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1437
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1438 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	1439 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1440 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1441 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1442
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1443 ngx_quic_connstate_dbg(c);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1444 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1445
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1446
8750 41807e581de9 QUIC: separate files for stream related processing. Vladimir Homutov <vl@nginx.com> parents: 8749 diff changeset	1447 void
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1448 ngx_quic_shutdown_quic(ngx_connection_t *c)
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1449 {
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1450 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1451
9051 37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	1452 if (c->reusable) {
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	1453 qc = ngx_quic_get_connection(c);
37d5dddabaea QUIC: reusable mode for main connection. Roman Arutyunyan <arut@nginx.com> parents: 9050 diff changeset	1454 ngx_quic_finalize_connection(c, qc->shutdown_code, qc->shutdown_reason);
8724 fc64ab301bad QUIC: connection shutdown. Roman Arutyunyan <arut@nginx.com> parents: 8717 diff changeset	1455 }
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	1456 }

Mercurial > hg > nginx

annotate src/event/quic/ngx_event_quic.c @ 9189:fcec773dd249