static ngx_int_t
ngx_http_add_ports(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_array_t *ports, ngx_http_listen_t *listen)
{
in_port_t p;
ngx_uint_t i;
struct sockaddr *sa;
struct sockaddr_in *sin;
ngx_http_conf_port_t *port;
#if (NGX_HAVE_INET6)
struct sockaddr_in6 *sin6;
#endif
sa = (struct sockaddr *) &listen->sockaddr;
switch (sa->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
sin6 = (struct sockaddr_in6 *) sa;
p = sin6->sin6_port;
break;
#endif
default: /* AF_INET */
sin = (struct sockaddr_in *) sa;
p = sin->sin_port;
break;
}
port = ports->elts;
for (i = 0; i < ports->nelts; i++) {
if (p != port[i].port || sa->sa_family != port[i].family) {
continue;
}
/* a port is already in the port list */
return ngx_http_add_addresses(cf, cscf, &port[i], listen);
}
/* add a port to the port list */
port = ngx_array_push(ports);
if (port == NULL) {
return NGX_ERROR;
}
port->family = sa->sa_family;
port->port = p;
port->addrs.elts = NULL;
return ngx_http_add_address(cf, cscf, port, listen);
}
static ngx_int_t
ngx_http_add_addresses(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_conf_port_t *port, ngx_http_listen_opt_t *lsopt)
{
u_char *p;
size_t len, off;
ngx_uint_t i, default_server;
struct sockaddr *sa;
ngx_http_conf_addr_t *addr;
#if (NGX_HAVE_UNIX_DOMAIN)
struct sockaddr_un *saun;
#endif
/*
* we can not compare whole sockaddr struct's as kernel
* may fill some fields in inherited sockaddr struct's
*/
sa = &lsopt->u.sockaddr;
switch (sa->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
off = offsetof(struct sockaddr_in6, sin6_addr);
len = 16;
break;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
off = offsetof(struct sockaddr_un, sun_path);
len = sizeof(saun->sun_path);
break;
#endif
default: /* AF_INET */
off = offsetof(struct sockaddr_in, sin_addr);
len = 4;
break;
}
p = lsopt->u.sockaddr_data + off;
addr = port->addrs.elts;
for (i = 0; i < port->addrs.nelts; i++) {
if (ngx_memcmp(p, addr[i].opt.u.sockaddr_data + off, len) != 0) {
continue;
}
/* the address is already in the address list */
if (ngx_http_add_server(cf, cscf, &addr[i]) != NGX_OK) {
return NGX_ERROR;
}
/* preserve default_server bit during listen options overwriting */
default_server = addr[i].opt.default_server;
if (lsopt->set) {
if (addr[i].opt.set) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"a duplicate listen options for %s", addr[i].opt.addr);
return NGX_ERROR;
}
addr[i].opt = *lsopt;
}
/* check the duplicate "default" server for this address:port */
if (lsopt->default_server) {
if (default_server) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"a duplicate default server for %s", addr[i].opt.addr);
return NGX_ERROR;
}
default_server = 1;
addr[i].default_server = cscf;
}
addr[i].opt.default_server = default_server;
return NGX_OK;
}
/* add the address to the addresses list that bound to this port */
return ngx_http_add_address(cf, cscf, port, lsopt);
}
ngx_int_t
ngx_http_add_listen(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_listen_opt_t *lsopt)
{
in_port_t p;
ngx_uint_t i;
struct sockaddr *sa;
struct sockaddr_in *sin;
ngx_http_conf_port_t *port;
ngx_http_core_main_conf_t *cmcf;
#if (NGX_HAVE_INET6)
struct sockaddr_in6 *sin6;
#endif
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
if (cmcf->ports == NULL) {
cmcf->ports = ngx_array_create(cf->temp_pool, 2,
sizeof(ngx_http_conf_port_t));
if (cmcf->ports == NULL) {
return NGX_ERROR;
}
}
sa = &lsopt->u.sockaddr;
switch (sa->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
sin6 = &lsopt->u.sockaddr_in6;
p = sin6->sin6_port;
break;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
p = 0;
break;
#endif
default: /* AF_INET */
sin = &lsopt->u.sockaddr_in;
p = sin->sin_port;
break;
}
port = cmcf->ports->elts;
for (i = 0; i < cmcf->ports->nelts; i++) {
if (p != port[i].port || sa->sa_family != port[i].family) {
continue;
}
/* a port is already in the port list */
return ngx_http_add_addresses(cf, cscf, &port[i], lsopt);
}
/* add a port to the port list */
port = ngx_array_push(cmcf->ports);
if (port == NULL) {
return NGX_ERROR;
}
port->family = sa->sa_family;
port->port = p;
port->addrs.elts = NULL;
return ngx_http_add_address(cf, cscf, port, lsopt);
}
static ngx_int_t
ngx_http_add_addresses(ngx_conf_t *cf, ngx_http_core_srv_conf_t *cscf,
ngx_http_conf_port_t *port, ngx_http_listen_t *listen)
{
u_char *p;
size_t len, off;
ngx_uint_t i;
struct sockaddr *sa;
ngx_http_conf_addr_t *addr;
/*
* we can not compare whole sockaddr struct's as kernel
* may fill some fields in inherited sockaddr struct's
*/
sa = (struct sockaddr *) &listen->sockaddr;
switch (sa->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
off = offsetof(struct sockaddr_in6, sin6_addr);
len = 16;
break;
#endif
default: /* AF_INET */
off = offsetof(struct sockaddr_in, sin_addr);
len = 4;
break;
}
p = listen->sockaddr + off;
addr = port->addrs.elts;
for (i = 0; i < port->addrs.nelts; i++) {
if (ngx_memcmp(p, (u_char *) addr[i].sockaddr + off, len) != 0) {
continue;
}
/* the address is already in the address list */
if (ngx_http_add_names(cf, cscf, &addr[i]) != NGX_OK) {
return NGX_ERROR;
}
/* check the duplicate "default" server for this address:port */
if (listen->conf.default_server) {
if (addr[i].default_server) {
ngx_log_error(NGX_LOG_ERR, cf->log, 0,
"the duplicate default server in %s:%ui",
listen->file_name, listen->line);
return NGX_ERROR;
}
addr[i].core_srv_conf = cscf;
addr[i].default_server = 1;
#if (NGX_HTTP_SSL)
addr[i].ssl = listen->conf.ssl;
#endif
addr[i].listen_conf = &listen->conf;
}
return NGX_OK;
}
/* add the address to the addresses list that bound to this port */
return ngx_http_add_address(cf, cscf, port, listen);
}
