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Increased maximum read PROXY protocol header size. 

Maximum size for reading the PROXY protocol header is increased to 4096 to
accommodate a bigger number of TLVs, which are supported since cca4c8a715de.

Maximum size for writing the PROXY protocol header is not changed since only
version 1 is currently supported.
This commit is contained in:
Roman Arutyunyan 2022-11-02 13:46:16 +04:00
parent f457bc62dd
commit 1d87a364e9
4 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/core/ngx_proxy_protocol.c
View File

@ -281,7 +281,7 @@ ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf, u_char *last)
{
ngx_uint_t port, lport;
if (last - buf < NGX_PROXY_PROTOCOL_MAX_HEADER) {
if (last - buf < NGX_PROXY_PROTOCOL_V1_MAX_HEADER) {
return NULL;
}

3
src/core/ngx_proxy_protocol.h
View File

@ -13,7 +13,8 @@
#include <ngx_core.h>
#define NGX_PROXY_PROTOCOL_MAX_HEADER 107
#define NGX_PROXY_PROTOCOL_V1_MAX_HEADER 107
#define NGX_PROXY_PROTOCOL_MAX_HEADER 4096
struct ngx_proxy_protocol_s {

4
src/mail/ngx_mail_proxy_module.c
View File

@ -890,7 +890,7 @@ ngx_mail_proxy_send_proxy_protocol(ngx_mail_session_t *s)
u_char *p;
ssize_t n, size;
ngx_connection_t *c;
u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER];
u_char buf[NGX_PROXY_PROTOCOL_V1_MAX_HEADER];
s->connection->log->action = "sending PROXY protocol header to upstream";
@ -898,7 +898,7 @@ ngx_mail_proxy_send_proxy_protocol(ngx_mail_session_t *s)
"mail proxy send PROXY protocol header");
p = ngx_proxy_protocol_write(s->connection, buf,
buf + NGX_PROXY_PROTOCOL_MAX_HEADER);
buf + NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
if (p == NULL) {
ngx_mail_proxy_internal_server_error(s);
return NGX_ERROR;

10
src/stream/ngx_stream_proxy_module.c
View File

@ -894,7 +894,7 @@ ngx_stream_proxy_init_upstream(ngx_stream_session_t *s)
return;
}
p = ngx_pnalloc(c->pool, NGX_PROXY_PROTOCOL_MAX_HEADER);
p = ngx_pnalloc(c->pool, NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
if (p == NULL) {
ngx_stream_proxy_finalize(s, NGX_STREAM_INTERNAL_SERVER_ERROR);
return;
@ -902,7 +902,8 @@ ngx_stream_proxy_init_upstream(ngx_stream_session_t *s)
cl->buf->pos = p;
p = ngx_proxy_protocol_write(c, p, p + NGX_PROXY_PROTOCOL_MAX_HEADER);
p = ngx_proxy_protocol_write(c, p,
p + NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
if (p == NULL) {
ngx_stream_proxy_finalize(s, NGX_STREAM_INTERNAL_SERVER_ERROR);
return;
@ -946,14 +947,15 @@ ngx_stream_proxy_send_proxy_protocol(ngx_stream_session_t *s)
ngx_connection_t *c, *pc;
ngx_stream_upstream_t *u;
ngx_stream_proxy_srv_conf_t *pscf;
u_char buf[NGX_PROXY_PROTOCOL_MAX_HEADER];
u_char buf[NGX_PROXY_PROTOCOL_V1_MAX_HEADER];
c = s->connection;
ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0,
"stream proxy send PROXY protocol header");
p = ngx_proxy_protocol_write(c, buf, buf + NGX_PROXY_PROTOCOL_MAX_HEADER);
p = ngx_proxy_protocol_write(c, buf,
buf + NGX_PROXY_PROTOCOL_V1_MAX_HEADER);
if (p == NULL) {
ngx_stream_proxy_finalize(s, NGX_STREAM_INTERNAL_SERVER_ERROR);
return NGX_ERROR;