Systemd Patches + CVE Patch
build-and-publish / build (debian:13, NEXUS_PASS_TRIXIE, NEXUS_REPO_TRIXIE, NEXUS_USER_TRIXIE, trixie) (push) Successful in 3m23s
build-and-publish / build (ubuntu:26.04, NEXUS_PASS_RACCOON, NEXUS_REPO_RACCOON, NEXUS_USER_RACCOON, raccoon) (push) Successful in 3m20s

This commit is contained in:
root
2026-05-15 13:49:54 +00:00
parent e82f9f8009
commit 0b9651ca05
9 changed files with 435 additions and 34 deletions
@@ -0,0 +1,220 @@
diff -urN nginx-1.31.0-pristine2/src/event/ngx_event_openssl.c nginx-1.31.0-manual/src/event/ngx_event_openssl.c
--- nginx-1.31.0-pristine2/src/event/ngx_event_openssl.c 2026-05-15 13:37:51.446080719 +0000
+++ nginx-1.31.0-manual/src/event/ngx_event_openssl.c 2026-05-15 13:38:11.254620535 +0000
@@ -2115,6 +2115,7 @@
sc->buffer = ((flags & NGX_SSL_BUFFER) != 0);
sc->buffer_size = ssl->buffer_size;
+ sc->dyn_rec = ssl->dyn_rec;
sc->session_ctx = ssl->ctx;
@@ -3086,6 +3087,41 @@
for ( ;; ) {
+ /* Dynamic record resizing:
+ We want the initial records to fit into one TCP segment
+ so we don't get TCP HoL blocking due to TCP Slow Start.
+ A connection always starts with small records, but after
+ a given amount of records sent, we make the records larger
+ to reduce header overhead.
+ After a connection has idled for a given timeout, begin
+ the process from the start. The actual parameters are
+ configurable. If dyn_rec_timeout is 0, we assume dyn_rec is off. */
+
+ if (c->ssl->dyn_rec.timeout > 0 ) {
+
+ if (ngx_current_msec - c->ssl->dyn_rec_last_write >
+ c->ssl->dyn_rec.timeout)
+ {
+ buf->end = buf->start + c->ssl->dyn_rec.size_lo;
+ c->ssl->dyn_rec_records_sent = 0;
+
+ } else {
+ if (c->ssl->dyn_rec_records_sent >
+ c->ssl->dyn_rec.threshold * 2)
+ {
+ buf->end = buf->start + c->ssl->buffer_size;
+
+ } else if (c->ssl->dyn_rec_records_sent >
+ c->ssl->dyn_rec.threshold)
+ {
+ buf->end = buf->start + c->ssl->dyn_rec.size_hi;
+
+ } else {
+ buf->end = buf->start + c->ssl->dyn_rec.size_lo;
+ }
+ }
+ }
+
while (in && buf->last < buf->end && send < limit) {
if (in->buf->last_buf || in->buf->flush) {
flush = 1;
@@ -3225,6 +3261,9 @@
if (n > 0) {
+ c->ssl->dyn_rec_records_sent++;
+ c->ssl->dyn_rec_last_write = ngx_current_msec;
+
if (c->ssl->saved_read_handler) {
c->read->handler = c->ssl->saved_read_handler;
diff -urN nginx-1.31.0-pristine2/src/event/ngx_event_openssl.h nginx-1.31.0-manual/src/event/ngx_event_openssl.h
--- nginx-1.31.0-pristine2/src/event/ngx_event_openssl.h 2026-05-15 13:37:51.446142384 +0000
+++ nginx-1.31.0-manual/src/event/ngx_event_openssl.h 2026-05-15 13:38:11.246599371 +0000
@@ -101,10 +101,19 @@
typedef struct ngx_ssl_ocsp_s ngx_ssl_ocsp_t;
+typedef struct {
+ ngx_msec_t timeout;
+ ngx_uint_t threshold;
+ size_t size_lo;
+ size_t size_hi;
+} ngx_ssl_dyn_rec_t;
+
+
struct ngx_ssl_s {
SSL_CTX *ctx;
ngx_log_t *log;
size_t buffer_size;
+ ngx_ssl_dyn_rec_t dyn_rec;
ngx_array_t certs;
@@ -142,6 +151,10 @@
unsigned no_send_shutdown:1;
unsigned shutdown_without_free:1;
unsigned handshake_buffer_set:1;
+
+ ngx_ssl_dyn_rec_t dyn_rec;
+ ngx_msec_t dyn_rec_last_write;
+ ngx_uint_t dyn_rec_records_sent;
unsigned session_timeout_set:1;
unsigned try_early_data:1;
unsigned in_early:1;
diff -urN nginx-1.31.0-pristine2/src/http/modules/ngx_http_ssl_module.c nginx-1.31.0-manual/src/http/modules/ngx_http_ssl_module.c
--- nginx-1.31.0-pristine2/src/http/modules/ngx_http_ssl_module.c 2026-05-15 13:37:51.444851287 +0000
+++ nginx-1.31.0-manual/src/http/modules/ngx_http_ssl_module.c 2026-05-15 13:38:11.254833775 +0000
@@ -313,6 +313,41 @@
offsetof(ngx_http_ssl_srv_conf_t, reject_handshake),
NULL },
+ { ngx_string("ssl_dyn_rec_enable"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_flag_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, dyn_rec_enable),
+ NULL },
+
+ { ngx_string("ssl_dyn_rec_timeout"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_msec_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, dyn_rec_timeout),
+ NULL },
+
+ { ngx_string("ssl_dyn_rec_size_lo"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, dyn_rec_size_lo),
+ NULL },
+
+ { ngx_string("ssl_dyn_rec_size_hi"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_size_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, dyn_rec_size_hi),
+ NULL },
+
+ { ngx_string("ssl_dyn_rec_threshold"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_SRV_CONF_OFFSET,
+ offsetof(ngx_http_ssl_srv_conf_t, dyn_rec_threshold),
+ NULL },
+
ngx_null_command
};
@@ -668,6 +703,11 @@
sscf->ocsp_cache_zone = NGX_CONF_UNSET_PTR;
sscf->stapling = NGX_CONF_UNSET;
sscf->stapling_verify = NGX_CONF_UNSET;
+ sscf->dyn_rec_enable = NGX_CONF_UNSET;
+ sscf->dyn_rec_timeout = NGX_CONF_UNSET_MSEC;
+ sscf->dyn_rec_size_lo = NGX_CONF_UNSET_SIZE;
+ sscf->dyn_rec_size_hi = NGX_CONF_UNSET_SIZE;
+ sscf->dyn_rec_threshold = NGX_CONF_UNSET_UINT;
return sscf;
}
@@ -739,6 +779,20 @@
ngx_conf_merge_str_value(conf->stapling_responder,
prev->stapling_responder, "");
+ ngx_conf_merge_value(conf->dyn_rec_enable, prev->dyn_rec_enable, 0);
+ ngx_conf_merge_msec_value(conf->dyn_rec_timeout, prev->dyn_rec_timeout,
+ 1000);
+ /* Default sizes for the dynamic record sizes are defined to fit maximal
+ TLS + IPv6 overhead in a single TCP segment for lo and 3 segments for hi:
+ 1369 = 1500 - 40 (IP) - 20 (TCP) - 10 (Time) - 61 (Max TLS overhead) */
+ ngx_conf_merge_size_value(conf->dyn_rec_size_lo, prev->dyn_rec_size_lo,
+ 1369);
+ /* 4229 = (1500 - 40 - 20 - 10) * 3 - 61 */
+ ngx_conf_merge_size_value(conf->dyn_rec_size_hi, prev->dyn_rec_size_hi,
+ 4229);
+ ngx_conf_merge_uint_value(conf->dyn_rec_threshold, prev->dyn_rec_threshold,
+ 40);
+
conf->ssl.log = cf->log;
if (conf->certificates) {
@@ -962,6 +1016,28 @@
return NGX_CONF_ERROR;
}
+ if (conf->dyn_rec_enable) {
+ conf->ssl.dyn_rec.timeout = conf->dyn_rec_timeout;
+ conf->ssl.dyn_rec.threshold = conf->dyn_rec_threshold;
+
+ if (conf->buffer_size > conf->dyn_rec_size_lo) {
+ conf->ssl.dyn_rec.size_lo = conf->dyn_rec_size_lo;
+
+ } else {
+ conf->ssl.dyn_rec.size_lo = conf->buffer_size;
+ }
+
+ if (conf->buffer_size > conf->dyn_rec_size_hi) {
+ conf->ssl.dyn_rec.size_hi = conf->dyn_rec_size_hi;
+
+ } else {
+ conf->ssl.dyn_rec.size_hi = conf->buffer_size;
+ }
+
+ } else {
+ conf->ssl.dyn_rec.timeout = 0;
+ }
+
return NGX_CONF_OK;
}
diff -urN nginx-1.31.0-pristine2/src/http/modules/ngx_http_ssl_module.h nginx-1.31.0-manual/src/http/modules/ngx_http_ssl_module.h
--- nginx-1.31.0-pristine2/src/http/modules/ngx_http_ssl_module.h 2026-05-15 13:37:51.445106976 +0000
+++ nginx-1.31.0-manual/src/http/modules/ngx_http_ssl_module.h 2026-05-15 13:38:11.252995002 +0000
@@ -66,6 +66,12 @@
ngx_flag_t stapling_verify;
ngx_str_t stapling_file;
ngx_str_t stapling_responder;
+
+ ngx_flag_t dyn_rec_enable;
+ ngx_msec_t dyn_rec_timeout;
+ size_t dyn_rec_size_lo;
+ size_t dyn_rec_size_hi;
+ ngx_uint_t dyn_rec_threshold;
} ngx_http_ssl_srv_conf_t;