Mercurial > hg > nginx
diff src/event/ngx_event_accept.c @ 4668:ba2c7463ce18 stable-1.2
Merge of r4614, r4624-r4629, r4631: proxy recursive changes.
*) Added IPv6 and UNIX-domain socket support in "debug_connection"
directive.
*) New function ngx_http_get_forwarded_addr() to look up real client
address.
On input it takes an original address, string in the X-Forwarded-For format
and its length, list of trusted proxies, and a flag indicating to perform
the recursive search. On output it returns NGX_OK and the "deepest" valid
address in a chain, or NGX_DECLINED. It supports AF_INET and AF_INET6.
Additionally, original address and/or proxy may be specified as AF_UNIX.
*) Realip: chains of trusted proxies and IPv6 support.
The module now supports recursive search of client address through
the chain of trusted proxies, controlled by the "real_ip_recursive"
directive (closes #2). It also gets full IPv6 support (closes #44)
and canonical value of the $client_addr variable on address change.
Example:
real_ip_header X-Forwarded-For;
set_real_ip_from 127.0.0.0/8;
set_real_ip_from ::1;
set_real_ip_from unix:;
real_ip_recursive on;
*) Geo: chains of trusted proxies and partial IPv6 support.
The module now supports recursive search of client address through
the chain of trusted proxies, controlled by the "proxy_recursive"
directive in the "geo" block. It also gets partial IPv6 support:
now proxies may be specified with IPv6 addresses.
Example:
geo $test {
...
proxy 127.0.0.1;
proxy ::1;
proxy_recursive;
}
There's also a slight change in behavior. When original client
address (as specified by the "geo" directive) is one of the
trusted proxies, and the value of the X-Forwarded-For request
header cannot not be parsed as a valid address, an original client
address will be used for lookup. Previously, 255.255.255.255 was
used in this case.
*) Geoip: trusted proxies support and partial IPv6 support.
The module now supports recursive search of client address through the
chain of trusted proxies (closes #100), in the same scope as the geo
module. Proxies are listed by the "geoip_proxy" directive, recursive
search is enabled by the "geoip_proxy_recursive" directive. IPv6 is
partially supported: proxies may be specified with IPv6 addresses.
Example:
geoip_country .../GeoIP.dat;
geoip_proxy 127.0.0.1;
geoip_proxy ::1;
geoip_proxy 10.0.0.0/8;
geoip_proxy_recursive on;
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 04 Jun 2012 11:58:12 +0000 |
parents | 25611746fee7 |
children |
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line diff
--- a/src/event/ngx_event_accept.c +++ b/src/event/ngx_event_accept.c @@ -286,17 +286,56 @@ ngx_event_accept(ngx_event_t *ev) #if (NGX_DEBUG) { - in_addr_t i; - ngx_event_debug_t *dc; - struct sockaddr_in *sin; + struct sockaddr_in *sin; + ngx_cidr_t *cidr; + ngx_uint_t i; +#if (NGX_HAVE_INET6) + struct sockaddr_in6 *sin6; + ngx_uint_t n; +#endif + + cidr = ecf->debug_connection.elts; + for (i = 0; i < ecf->debug_connection.nelts; i++) { + if (cidr[i].family != c->sockaddr->sa_family) { + goto next; + } + + switch (cidr[i].family) { - sin = (struct sockaddr_in *) sa; - dc = ecf->debug_connection.elts; - for (i = 0; i < ecf->debug_connection.nelts; i++) { - if ((sin->sin_addr.s_addr & dc[i].mask) == dc[i].addr) { - log->log_level = NGX_LOG_DEBUG_CONNECTION|NGX_LOG_DEBUG_ALL; +#if (NGX_HAVE_INET6) + case AF_INET6: + sin6 = (struct sockaddr_in6 *) c->sockaddr; + for (n = 0; n < 16; n++) { + if ((sin6->sin6_addr.s6_addr[n] + & cidr[i].u.in6.mask.s6_addr[n]) + != cidr[i].u.in6.addr.s6_addr[n]) + { + goto next; + } + } + break; +#endif + +#if (NGX_HAVE_UNIX_DOMAIN) + case AF_UNIX: + break; +#endif + + default: /* AF_INET */ + sin = (struct sockaddr_in *) c->sockaddr; + if ((sin->sin_addr.s_addr & cidr[i].u.in.mask) + != cidr[i].u.in.addr) + { + goto next; + } break; } + + log->log_level = NGX_LOG_DEBUG_CONNECTION|NGX_LOG_DEBUG_ALL; + break; + + next: + continue; } }