Mercurial > hg > nginx
view src/http/v3/ngx_http_v3_module.c @ 9331:dbf76fdd109f default tip
release-1.27.4 tag
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 03 Sep 2024 13:11:25 +0300 |
parents | ad3d34ddfdcc |
children |
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/* * Copyright (C) Nginx, Inc. * Copyright (C) Roman Arutyunyan */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> static ngx_int_t ngx_http_v3_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf); static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf); static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child); static char *ngx_http_quic_host_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static ngx_command_t ngx_http_v3_commands[] = { { ngx_string("http3"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, enable), NULL }, { ngx_string("http3_hq"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, enable_hq), NULL }, { ngx_string("http3_max_concurrent_streams"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, max_concurrent_streams), NULL }, { ngx_string("http3_stream_buffer_size"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.stream_buffer_size), NULL }, { ngx_string("quic_retry"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.retry), NULL }, { ngx_string("quic_gso"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, ngx_conf_set_flag_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.gso_enabled), NULL }, { ngx_string("quic_host_key"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_http_quic_host_key, NGX_HTTP_SRV_CONF_OFFSET, 0, NULL }, { ngx_string("quic_active_connection_id_limit"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.active_connection_id_limit), NULL }, ngx_null_command }; static ngx_http_module_t ngx_http_v3_module_ctx = { ngx_http_v3_add_variables, /* preconfiguration */ NULL, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ ngx_http_v3_create_srv_conf, /* create server configuration */ ngx_http_v3_merge_srv_conf, /* merge server configuration */ NULL, /* create location configuration */ NULL /* merge location configuration */ }; ngx_module_t ngx_http_v3_module = { NGX_MODULE_V1, &ngx_http_v3_module_ctx, /* module context */ ngx_http_v3_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; static ngx_http_variable_t ngx_http_v3_vars[] = { { ngx_string("http3"), NULL, ngx_http_v3_variable, 0, 0, 0 }, ngx_http_null_variable }; static ngx_str_t ngx_http_quic_salt = ngx_string("ngx_quic"); static ngx_int_t ngx_http_v3_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data) { ngx_http_v3_session_t *h3c; if (r->connection->quic) { h3c = ngx_http_v3_get_session(r->connection); if (h3c->hq) { v->len = sizeof("hq") - 1; v->valid = 1; v->no_cacheable = 0; v->not_found = 0; v->data = (u_char *) "hq"; return NGX_OK; } v->len = sizeof("h3") - 1; v->valid = 1; v->no_cacheable = 0; v->not_found = 0; v->data = (u_char *) "h3"; return NGX_OK; } *v = ngx_http_variable_null_value; return NGX_OK; } static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf) { ngx_http_variable_t *var, *v; for (v = ngx_http_v3_vars; v->name.len; v++) { var = ngx_http_add_variable(cf, &v->name, v->flags); if (var == NULL) { return NGX_ERROR; } var->get_handler = v->get_handler; var->data = v->data; } return NGX_OK; } static void * ngx_http_v3_create_srv_conf(ngx_conf_t *cf) { ngx_http_v3_srv_conf_t *h3scf; h3scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t)); if (h3scf == NULL) { return NULL; } /* * set by ngx_pcalloc(): * * h3scf->quic.host_key = { 0, NULL } * h3scf->quic.stream_reject_code_uni = 0; * h3scf->quic.disable_active_migration = 0; * h3scf->quic.idle_timeout = 0; * h3scf->max_blocked_streams = 0; */ h3scf->enable = NGX_CONF_UNSET; h3scf->enable_hq = NGX_CONF_UNSET; h3scf->max_table_capacity = NGX_HTTP_V3_MAX_TABLE_CAPACITY; h3scf->max_concurrent_streams = NGX_CONF_UNSET_UINT; h3scf->quic.stream_buffer_size = NGX_CONF_UNSET_SIZE; h3scf->quic.max_concurrent_streams_bidi = NGX_CONF_UNSET_UINT; h3scf->quic.max_concurrent_streams_uni = NGX_HTTP_V3_MAX_UNI_STREAMS; h3scf->quic.retry = NGX_CONF_UNSET; h3scf->quic.gso_enabled = NGX_CONF_UNSET; h3scf->quic.stream_close_code = NGX_HTTP_V3_ERR_NO_ERROR; h3scf->quic.stream_reject_code_bidi = NGX_HTTP_V3_ERR_REQUEST_REJECTED; h3scf->quic.active_connection_id_limit = NGX_CONF_UNSET_UINT; h3scf->quic.init = ngx_http_v3_init; h3scf->quic.shutdown = ngx_http_v3_shutdown; return h3scf; } static char * ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_v3_srv_conf_t *prev = parent; ngx_http_v3_srv_conf_t *conf = child; ngx_http_ssl_srv_conf_t *sscf; ngx_http_core_srv_conf_t *cscf; ngx_conf_merge_value(conf->enable, prev->enable, 1); ngx_conf_merge_value(conf->enable_hq, prev->enable_hq, 0); ngx_conf_merge_uint_value(conf->max_concurrent_streams, prev->max_concurrent_streams, 128); conf->max_blocked_streams = conf->max_concurrent_streams; ngx_conf_merge_size_value(conf->quic.stream_buffer_size, prev->quic.stream_buffer_size, 65536); conf->quic.max_concurrent_streams_bidi = conf->max_concurrent_streams; ngx_conf_merge_value(conf->quic.retry, prev->quic.retry, 0); ngx_conf_merge_value(conf->quic.gso_enabled, prev->quic.gso_enabled, 0); ngx_conf_merge_str_value(conf->quic.host_key, prev->quic.host_key, ""); ngx_conf_merge_uint_value(conf->quic.active_connection_id_limit, prev->quic.active_connection_id_limit, 2); if (conf->quic.host_key.len == 0) { conf->quic.host_key.len = NGX_QUIC_DEFAULT_HOST_KEY_LEN; conf->quic.host_key.data = ngx_palloc(cf->pool, conf->quic.host_key.len); if (conf->quic.host_key.data == NULL) { return NGX_CONF_ERROR; } if (RAND_bytes(conf->quic.host_key.data, NGX_QUIC_DEFAULT_HOST_KEY_LEN) <= 0) { return NGX_CONF_ERROR; } } if (ngx_quic_derive_key(cf->log, "av_token_key", &conf->quic.host_key, &ngx_http_quic_salt, conf->quic.av_token_key, NGX_QUIC_AV_KEY_LEN) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_quic_derive_key(cf->log, "sr_token_key", &conf->quic.host_key, &ngx_http_quic_salt, conf->quic.sr_token_key, NGX_QUIC_SR_KEY_LEN) != NGX_OK) { return NGX_CONF_ERROR; } cscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_core_module); conf->quic.handshake_timeout = cscf->client_header_timeout; sscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_ssl_module); conf->quic.ssl = &sscf->ssl; return NGX_CONF_OK; } static char * ngx_http_quic_host_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_v3_srv_conf_t *h3scf = conf; u_char *buf; size_t size; ssize_t n; ngx_str_t *value; ngx_file_t file; ngx_file_info_t fi; ngx_quic_conf_t *qcf; qcf = &h3scf->quic; if (qcf->host_key.len) { return "is duplicate"; } buf = NULL; #if (NGX_SUPPRESS_WARN) size = 0; #endif value = cf->args->elts; if (ngx_conf_full_name(cf->cycle, &value[1], 1) != NGX_OK) { return NGX_CONF_ERROR; } ngx_memzero(&file, sizeof(ngx_file_t)); file.name = value[1]; file.log = cf->log; file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); if (file.fd == NGX_INVALID_FILE) { ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno, ngx_open_file_n " \"%V\" failed", &file.name); return NGX_CONF_ERROR; } if (ngx_fd_info(file.fd, &fi) == NGX_FILE_ERROR) { ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, ngx_fd_info_n " \"%V\" failed", &file.name); goto failed; } size = ngx_file_size(&fi); if (size == 0) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"%V\" zero key size", &file.name); goto failed; } buf = ngx_pnalloc(cf->pool, size); if (buf == NULL) { goto failed; } n = ngx_read_file(&file, buf, size, 0); if (n == NGX_ERROR) { ngx_conf_log_error(NGX_LOG_CRIT, cf, ngx_errno, ngx_read_file_n " \"%V\" failed", &file.name); goto failed; } if ((size_t) n != size) { ngx_conf_log_error(NGX_LOG_CRIT, cf, 0, ngx_read_file_n " \"%V\" returned only " "%z bytes instead of %uz", &file.name, n, size); goto failed; } qcf->host_key.data = buf; qcf->host_key.len = n; if (ngx_close_file(file.fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, ngx_close_file_n " \"%V\" failed", &file.name); } return NGX_CONF_OK; failed: if (ngx_close_file(file.fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, cf->log, ngx_errno, ngx_close_file_n " \"%V\" failed", &file.name); } if (buf) { ngx_explicit_memzero(buf, size); } return NGX_CONF_ERROR; }