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socket: expose IP_TRANSPARENT

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This commit is contained in:
Lennart Poettering 2011-05-19 13:22:31 +02:00
parent 6ea832a207
commit 6b6d2deecc
7 changed files with 23 additions and 0 deletions
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8
man/systemd.socket.xml
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@ -506,6 +506,14 @@
address. Defaults to <option>false</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>Transparent=</varname></term>
<listitem><para>Takes a boolean
value. Controls the IP_TRANSPARENT
option. Defaults to
<option>false</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>TCPCongestion=</varname></term>
<listitem><para>Takes a string

2
src/dbus-socket.c
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@ -49,6 +49,7 @@
" <property name=\"IPTTL\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"PipeSize\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"FreeBind\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Transparent\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Mark\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"MaxConnections\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"NAccepted\" type=\"u\" access=\"read\"/>\n" \
@ -107,6 +108,7 @@ DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMes
{ "org.freedesktop.systemd1.Socket", "IPTTL", bus_property_append_int, "i", &u->socket.ip_ttl },
{ "org.freedesktop.systemd1.Socket", "PipeSize", bus_property_append_size, "t", &u->socket.pipe_size },
{ "org.freedesktop.systemd1.Socket", "FreeBind", bus_property_append_bool, "b", &u->socket.free_bind },
{ "org.freedesktop.systemd1.Socket", "Transparent", bus_property_append_bool, "b", &u->socket.transparent },
{ "org.freedesktop.systemd1.Socket", "Mark", bus_property_append_int, "i", &u->socket.mark },
{ "org.freedesktop.systemd1.Socket", "MaxConnections", bus_property_append_unsigned, "u", &u->socket.max_connections },
{ "org.freedesktop.systemd1.Socket", "NConnections", bus_property_append_unsigned, "u", &u->socket.n_connections },

1
src/load-fragment.c
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@ -1995,6 +1995,7 @@ static int load_from_path(Unit *u, const char *path) {
{ "Mark", config_parse_int, 0, &u->socket.mark, "Socket" },
{ "PipeSize", config_parse_size, 0, &u->socket.pipe_size, "Socket" },
{ "FreeBind", config_parse_bool, 0, &u->socket.free_bind, "Socket" },
{ "Transparent", config_parse_bool, 0, &u->socket.transparent, "Socket" },
{ "TCPCongestion", config_parse_string, 0, &u->socket.tcp_congestion, "Socket" },
{ "MessageQueueMaxMessages", config_parse_long, 0, &u->socket.mq_maxmsg, "Socket" },
{ "MessageQueueMessageSize", config_parse_long, 0, &u->socket.mq_msgsize, "Socket" },

7
src/socket-util.c
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@ -389,6 +389,7 @@ int socket_address_listen(
SocketAddressBindIPv6Only only,
const char *bind_to_device,
bool free_bind,
bool transparent,
mode_t directory_mode,
mode_t socket_mode,
const char *label,
@ -433,6 +434,12 @@ int socket_address_listen(
if (setsockopt(fd, IPPROTO_IP, IP_FREEBIND, &one, sizeof(one)) < 0)
log_warning("IP_FREEBIND failed: %m");
}
if (transparent) {
one = 1;
if (setsockopt(fd, IPPROTO_IP, IP_TRANSPARENT, &one, sizeof(one)) < 0)
log_warning("IP_TRANSPARENT failed: %m");
}
}
one = 1;

1
src/socket-util.h
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@ -78,6 +78,7 @@ int socket_address_listen(
SocketAddressBindIPv6Only only,
const char *bind_to_device,
bool free_bind,
bool transparent,
mode_t directory_mode,
mode_t socket_mode,
const char *label,

3
src/socket.c
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@ -404,6 +404,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
"%sDirectoryMode: %04o\n"
"%sKeepAlive: %s\n"
"%sFreeBind: %s\n"
"%sTransparent: %s\n"
"%sTCPCongestion: %s\n",
prefix, socket_state_to_string(s->state),
prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only),
@ -412,6 +413,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
prefix, s->directory_mode,
prefix, yes_no(s->keep_alive),
prefix, yes_no(s->free_bind),
prefix, yes_no(s->transparent),
prefix, strna(s->tcp_congestion));
if (s->control_pid > 0)
@ -897,6 +899,7 @@ static int socket_open_fds(Socket *s) {
s->bind_ipv6_only,
s->bind_to_device,
s->free_bind,
s->transparent,
s->directory_mode,
s->socket_mode,
label,

1
src/socket.h
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@ -116,6 +116,7 @@ struct Socket {
/* Socket options */
bool keep_alive;
bool free_bind;
bool transparent;
int priority;
int mark;
size_t receive_buffer;