Mercurial > hg > nginx
view src/os/unix/ngx_solaris_init.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 | 56fc55e32f23 |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #include <ngx_config.h> #include <ngx_core.h> char ngx_solaris_sysname[20]; char ngx_solaris_release[10]; char ngx_solaris_version[50]; static ngx_os_io_t ngx_solaris_io = { ngx_unix_recv, ngx_readv_chain, ngx_udp_unix_recv, ngx_unix_send, ngx_udp_unix_send, ngx_udp_unix_sendmsg_chain, #if (NGX_HAVE_SENDFILE) ngx_solaris_sendfilev_chain, NGX_IO_SENDFILE #else ngx_writev_chain, 0 #endif }; ngx_int_t ngx_os_specific_init(ngx_log_t *log) { if (sysinfo(SI_SYSNAME, ngx_solaris_sysname, sizeof(ngx_solaris_sysname)) == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "sysinfo(SI_SYSNAME) failed"); return NGX_ERROR; } if (sysinfo(SI_RELEASE, ngx_solaris_release, sizeof(ngx_solaris_release)) == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "sysinfo(SI_RELEASE) failed"); return NGX_ERROR; } if (sysinfo(SI_VERSION, ngx_solaris_version, sizeof(ngx_solaris_version)) == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "sysinfo(SI_SYSNAME) failed"); return NGX_ERROR; } ngx_os_io = ngx_solaris_io; return NGX_OK; } void ngx_os_specific_status(ngx_log_t *log) { ngx_log_error(NGX_LOG_NOTICE, log, 0, "OS: %s %s", ngx_solaris_sysname, ngx_solaris_release); ngx_log_error(NGX_LOG_NOTICE, log, 0, "version: %s", ngx_solaris_version); }