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Honor Connection: closed received from reverse proxy peers

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Lorenz Stechauner
2023-07-07 21:30:56 +02:00
parent 0cd63ff5e9
commit ef3e8475fb
2 changed files with 11 additions and 3 deletions
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12
src/lib/proxy.c
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@@ -139,6 +139,10 @@ proxy_ctx_t *proxy_get_by_conf(host_config_t *conf) {
void proxy_unlock_ctx(proxy_ctx_t *ctx) { void proxy_unlock_ctx(proxy_ctx_t *ctx) {
int n = (int) ((ctx - proxies) / MAX_PROXY_CNX_PER_HOST); int n = (int) ((ctx - proxies) / MAX_PROXY_CNX_PER_HOST);
if (ctx->close) {
proxy_close(ctx);
ctx->close = 0;
}
debug("Released proxy connection slot %i/%i", (ctx - proxies) % MAX_PROXY_CNX_PER_HOST, MAX_PROXY_CNX_PER_HOST); debug("Released proxy connection slot %i/%i", (ctx - proxies) % MAX_PROXY_CNX_PER_HOST, MAX_PROXY_CNX_PER_HOST);
ctx->in_use = 0; ctx->in_use = 0;
ctx->client = NULL; ctx->client = NULL;
@@ -400,8 +404,9 @@ int proxy_init(proxy_ctx_t **proxy_ptr, http_req *req, http_res *res, http_statu
return -1; return -1;
// honor server timeout with one second buffer // honor server timeout with one second buffer
if (!proxy->initialized || sock_has_pending(&proxy->proxy, SOCK_DONTWAIT) != 0 || srv_error || if (!proxy->initialized || srv_error ||
(proxy->http_timeout != 0 && (clock_micros() - proxy->proxy.ts_last_send) >= proxy->http_timeout - 1000000)) (proxy->http_timeout > 0 && (clock_micros() - proxy->proxy.ts_last_send) >= proxy->http_timeout) ||
sock_has_pending(&proxy->proxy, SOCK_DONTWAIT))
{ {
if (proxy->initialized) if (proxy->initialized)
proxy_close(proxy); proxy_close(proxy);
@@ -549,6 +554,9 @@ int proxy_init(proxy_ctx_t **proxy_ptr, http_req *req, http_res *res, http_statu
long keep_alive_timeout = http_get_keep_alive_timeout(&res->hdr); long keep_alive_timeout = http_get_keep_alive_timeout(&res->hdr);
proxy->http_timeout = (keep_alive_timeout > 0) ? keep_alive_timeout * 1000000 : 0; proxy->http_timeout = (keep_alive_timeout > 0) ? keep_alive_timeout * 1000000 : 0;
connection = http_get_header_field(&res->hdr, "Connection");
proxy->close = !strcontains(connection, "keep-alive") && !strcontains(connection, "Keep-Alive");
ret = proxy_response_header(req, res, conf); ret = proxy_response_header(req, res, conf);
if (ret != 0) { if (ret != 0) {
res->status = http_get_status(500); res->status = http_get_status(500);

2
src/lib/proxy.h
View File

@@ -19,7 +19,7 @@
#include "config.h" #include "config.h"
typedef struct { typedef struct {
volatile unsigned char initialized:1, in_use:1; volatile unsigned char initialized:1, in_use:1, close:1;
sock proxy; sock proxy;
long cnx_s, cnx_e; long cnx_s, cnx_e;
long http_timeout; long http_timeout;