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Set IP_BIND_ADDRESS_NO_PORT socket option for upstream sockets.

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This commit is contained in:
Andrei Belov 2016-06-20 10:41:17 +03:00
parent 522f7dd4d5
commit 83ff429bce
2 changed files with 39 additions and 0 deletions
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13
auto/unix
View file

@ -341,6 +341,19 @@ ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_BINDANY, NULL, 0)"
. auto/feature
# Linux IP_BIND_ADDRESS_NO_PORT
ngx_feature="IP_BIND_ADDRESS_NO_PORT"
ngx_feature_name="NGX_HAVE_IP_BIND_ADDRESS_NO_PORT"
ngx_feature_run=no
ngx_feature_incs="#include <sys/socket.h>
#include <netinet/in.h>"
ngx_feature_path=
ngx_feature_libs=
ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT, NULL, 0)"
. auto/feature
# Linux transparent proxying
ngx_feature="IP_TRANSPARENT"

26
src/event/ngx_event_connect.c
View file

@ -87,6 +87,32 @@ ngx_event_connect_peer(ngx_peer_connection_t *pc)
}
#endif
#if (NGX_HAVE_IP_BIND_ADDRESS_NO_PORT)
if (pc->sockaddr->sa_family != AF_UNIX) {
static int bind_address_no_port = 1;
if (bind_address_no_port) {
if (setsockopt(s, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT,
(const void *) &bind_address_no_port,
sizeof(int)) == -1)
{
err = ngx_socket_errno;
if (err != NGX_EOPNOTSUPP && err != NGX_ENOPROTOOPT) {
ngx_log_error(NGX_LOG_ALERT, pc->log, err,
"setsockopt(IP_BIND_ADDRESS_NO_PORT) "
"failed, ignored");
} else {
bind_address_no_port = 0;
}
}
}
}
#endif
if (bind(s, pc->local->sockaddr, pc->local->socklen) == -1) {
ngx_log_error(NGX_LOG_CRIT, pc->log, ngx_socket_errno,
"bind(%V) failed", &pc->local->name);