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Stream: support for $remote_port in proxy_bind.

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The following two types of bind addresses are supported in addition to
$remote_addr and address literals:

- $remote_addr:$remote_port
- [$remote_addr]:$remote_port

In both cases client remote address with port is used in upstream socket bind.
This commit is contained in:
Roman Arutyunyan 2016-06-20 11:50:44 +03:00
parent 8cad1c015f
commit 05879309c1
1 changed files with 20 additions and 9 deletions
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17
src/stream/ngx_stream_proxy_module.c
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@ -13,8 +13,9 @@
typedef struct {
ngx_addr_t *addr;
#if (NGX_HAVE_TRANSPARENT_PROXY)
ngx_uint_t transparent; /* unsigned transparent:1; */
unsigned transparent:1;
#endif
unsigned no_port:1;
} ngx_stream_upstream_local_t;
@ -463,7 +464,7 @@ ngx_stream_proxy_set_local(ngx_stream_session_t *s, ngx_stream_upstream_t *u,
return NGX_OK;
}
/* $remote_addr */
/* $remote_addr, $remote_addr:$remote_port, [$remote_addr]:$remote_port */
c = s->connection;
@ -474,6 +475,7 @@ ngx_stream_proxy_set_local(ngx_stream_session_t *s, ngx_stream_upstream_t *u,
addr->socklen = c->socklen;
if (local->no_port) {
addr->sockaddr = ngx_palloc(c->pool, addr->socklen);
if (addr->sockaddr == NULL) {
return NGX_ERROR;
@ -482,6 +484,10 @@ ngx_stream_proxy_set_local(ngx_stream_session_t *s, ngx_stream_upstream_t *u,
ngx_memcpy(addr->sockaddr, c->sockaddr, c->socklen);
ngx_inet_set_port(addr->sockaddr, 0);
} else {
addr->sockaddr = c->sockaddr;
}
addr->name = c->addr_text;
u->peer.local = addr;
@ -1714,7 +1720,12 @@ ngx_stream_proxy_bind(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
pscf->local = local;
if (ngx_strcmp(value[1].data, "$remote_addr") != 0) {
if (ngx_strcmp(value[1].data, "$remote_addr") == 0) {
local->no_port = 1;
} else if (ngx_strcmp(value[1].data, "$remote_addr:$remote_port") != 0
&& ngx_strcmp(value[1].data, "[$remote_addr]:$remote_port") != 0)
{
local->addr = ngx_palloc(cf->pool, sizeof(ngx_addr_t));
if (local->addr == NULL) {
return NGX_CONF_ERROR;