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Fix mod_proxy to support setting source address.

Browse Source 
PR 29404
Seems lots of users want this, and a couple of them have recenly asked nicely


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1034916 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Kew
2010-11-14 00:01:43 +00:00
parent f8ebfcd89c
commit 3bad5b1780
5 changed files with 57 additions and 2 deletions
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23
modules/proxy/proxy_util.c
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@@ -1682,6 +1682,15 @@ PROXY_DECLARE(int) ap_proxy_connect_to_backend(apr_socket_t **newsock,
"proxy: %s: fam %d socket created to connect to %s",
proxy_function, backend_addr->family, backend_name);
if (conf->source_address) {
rv = apr_socket_bind(*newsock, conf->source_address);
if (rv != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"proxy: %s: failed to bind socket to local address",
proxy_function);
}
}
/* make the connection out of the socket */
rv = apr_socket_connect(*newsock, backend_addr);
@@ -2453,6 +2462,8 @@ PROXY_DECLARE(int) ap_proxy_connect_backend(const char *proxy_function,
int connected = 0;
int loglevel;
apr_sockaddr_t *backend_addr = conn->addr;
/* the local address to use for the outgoing connection */
apr_sockaddr_t *local_addr;
apr_socket_t *newsock;
void *sconf = s->module_config;
proxy_server_conf *conf =
@@ -2527,6 +2538,18 @@ PROXY_DECLARE(int) ap_proxy_connect_backend(const char *proxy_function,
"proxy: %s: fam %d socket created to connect to %s",
proxy_function, backend_addr->family, worker->hostname);
if (conf->source_address_set == 1) {
local_addr = apr_pcalloc(conn->pool, sizeof(apr_sockaddr_t));
memcpy(local_addr, conf->source_address, sizeof(apr_sockaddr_t));
local_addr->pool = conn->pool;
rv = apr_socket_bind(newsock, local_addr);
if (rv != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"proxy: %s: failed to bind socket to local address",
proxy_function);
}
}
/* make the connection out of the socket */
rv = apr_socket_connect(newsock, backend_addr);