mirror of
https://github.com/nginx/nginx.git
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279 lines
9.0 KiB
C
279 lines
9.0 KiB
C
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/*
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* Copyright (C) Nginx, Inc.
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* Copyright (C) Roman Arutyunyan
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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static ngx_command_t ngx_http_v3_commands[] = {
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{ ngx_string("quic_max_idle_timeout"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_msec_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.max_idle_timeout),
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NULL },
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{ ngx_string("quic_max_ack_delay"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_msec_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.max_ack_delay),
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NULL },
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{ ngx_string("quic_max_packet_size"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.max_packet_size),
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NULL },
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{ ngx_string("quic_initial_max_data"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_data),
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NULL },
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{ ngx_string("quic_initial_max_stream_data_bidi_local"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_bidi_local),
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NULL },
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{ ngx_string("quic_initial_max_stream_data_bidi_remote"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_bidi_remote),
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NULL },
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{ ngx_string("quic_initial_max_stream_data_uni"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_uni),
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NULL },
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{ ngx_string("quic_initial_max_streams_bidi"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_streams_bidi),
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NULL },
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{ ngx_string("quic_initial_max_streams_uni"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_streams_uni),
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NULL },
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{ ngx_string("quic_ack_delay_exponent"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.ack_delay_exponent),
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NULL },
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{ ngx_string("quic_active_migration"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.disable_active_migration),
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NULL },
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{ ngx_string("quic_active_connection_id_limit"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_num_slot,
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NGX_HTTP_SRV_CONF_OFFSET,
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offsetof(ngx_http_v3_srv_conf_t, quic.active_connection_id_limit),
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NULL },
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ngx_null_command
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};
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static ngx_int_t ngx_http_variable_quic(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data);
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static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf);
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static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf);
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static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf,
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void *parent, void *child);
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static ngx_http_module_t ngx_http_v3_module_ctx = {
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ngx_http_v3_add_variables, /* preconfiguration */
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NULL, /* postconfiguration */
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NULL, /* create main configuration */
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NULL, /* init main configuration */
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ngx_http_v3_create_srv_conf, /* create server configuration */
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ngx_http_v3_merge_srv_conf, /* merge server configuration */
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NULL, /* create location configuration */
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NULL /* merge location configuration */
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};
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ngx_module_t ngx_http_v3_module = {
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NGX_MODULE_V1,
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&ngx_http_v3_module_ctx, /* module context */
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ngx_http_v3_commands, /* module directives */
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NGX_HTTP_MODULE, /* module type */
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NULL, /* init master */
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NULL, /* init module */
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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};
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static ngx_http_variable_t ngx_http_v3_vars[] = {
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{ ngx_string("quic"), NULL, ngx_http_variable_quic,
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0, 0, 0 },
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ngx_http_null_variable
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};
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static ngx_int_t
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ngx_http_variable_quic(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data)
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{
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if (r->connection->qs) {
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v->len = 4;
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v->valid = 1;
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v->no_cacheable = 1;
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v->not_found = 0;
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v->data = (u_char *) "quic";
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return NGX_OK;
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}
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v->not_found = 1;
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return NGX_OK;
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}
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static ngx_int_t
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ngx_http_v3_add_variables(ngx_conf_t *cf)
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{
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ngx_http_variable_t *var, *v;
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for (v = ngx_http_v3_vars; v->name.len; v++) {
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var = ngx_http_add_variable(cf, &v->name, v->flags);
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if (var == NULL) {
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return NGX_ERROR;
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}
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var->get_handler = v->get_handler;
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var->data = v->data;
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}
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return NGX_OK;
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}
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static void *
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ngx_http_v3_create_srv_conf(ngx_conf_t *cf)
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{
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ngx_http_v3_srv_conf_t *v3cf;
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v3cf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t));
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if (v3cf == NULL) {
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return NULL;
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}
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/*
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* set by ngx_pcalloc():
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* v3cf->quic.original_connection_id = 0;
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* v3cf->quic.stateless_reset_token = { 0 }
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* conf->quic.preferred_address = NULL
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*/
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v3cf->quic.max_idle_timeout = NGX_CONF_UNSET_MSEC;
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v3cf->quic.max_ack_delay = NGX_CONF_UNSET_MSEC;
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v3cf->quic.max_packet_size = NGX_CONF_UNSET_UINT;
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v3cf->quic.initial_max_data = NGX_CONF_UNSET_UINT;
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v3cf->quic.initial_max_stream_data_bidi_local = NGX_CONF_UNSET_UINT;
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v3cf->quic.initial_max_stream_data_bidi_remote = NGX_CONF_UNSET_UINT;
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v3cf->quic.initial_max_stream_data_uni = NGX_CONF_UNSET_UINT;
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v3cf->quic.initial_max_streams_bidi = NGX_CONF_UNSET_UINT;
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v3cf->quic.initial_max_streams_uni = NGX_CONF_UNSET_UINT;
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v3cf->quic.ack_delay_exponent = NGX_CONF_UNSET_UINT;
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v3cf->quic.disable_active_migration = NGX_CONF_UNSET_UINT;
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v3cf->quic.active_connection_id_limit = NGX_CONF_UNSET_UINT;
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return v3cf;
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}
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static char *
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ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
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{
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ngx_http_v3_srv_conf_t *prev = parent;
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ngx_http_v3_srv_conf_t *conf = child;
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ngx_conf_merge_msec_value(conf->quic.max_idle_timeout,
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prev->quic.max_idle_timeout, 10000);
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// > 2 ^ 14 is invalid
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ngx_conf_merge_msec_value(conf->quic.max_ack_delay,
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prev->quic.max_ack_delay,
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NGX_QUIC_DEFAULT_MAX_ACK_DELAY);
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// < 1200 is invalid
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ngx_conf_merge_uint_value(conf->quic.max_packet_size,
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prev->quic.max_packet_size,
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NGX_QUIC_DEFAULT_MAX_PACKET_SIZE);
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ngx_conf_merge_uint_value(conf->quic.initial_max_data,
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prev->quic.initial_max_data, 10000000);
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ngx_conf_merge_uint_value(conf->quic.initial_max_stream_data_bidi_local,
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prev->quic.initial_max_stream_data_bidi_local,
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255);
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ngx_conf_merge_uint_value(conf->quic.initial_max_stream_data_bidi_remote,
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prev->quic.initial_max_stream_data_bidi_remote,
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255);
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ngx_conf_merge_uint_value(conf->quic.initial_max_stream_data_uni,
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prev->quic.initial_max_stream_data_uni, 255);
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ngx_conf_merge_uint_value(conf->quic.initial_max_streams_bidi,
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prev->quic.initial_max_streams_bidi, 16);
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ngx_conf_merge_uint_value(conf->quic.initial_max_streams_uni,
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prev->quic.initial_max_streams_uni, 16);
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// > 20 is invalid
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ngx_conf_merge_uint_value(conf->quic.ack_delay_exponent,
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prev->quic.ack_delay_exponent,
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NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT);
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ngx_conf_merge_uint_value(conf->quic.disable_active_migration,
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prev->quic.disable_active_migration, 1);
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// < 2 is invalid
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ngx_conf_merge_uint_value(conf->quic.active_connection_id_limit,
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prev->quic.active_connection_id_limit, 2);
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return NGX_CONF_OK;
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}
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