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authorTom Gundersen <teg@jklm.no>2014-12-04 15:52:21 +0100
committerTom Gundersen <teg@jklm.no>2014-12-04 16:02:05 +0100
commit9e7e440835c43d81ffdbc299d2c07daaa641ed50 (patch)
tree9b55e90d4085997aeebaa738198765d2fa5bac4a /src/network/networkd-route.c
parent66bba0e701b95dc42ed53e8f0799a7e2b944c147 (diff)
networkd: add support for source routing
Diffstat (limited to 'src/network/networkd-route.c')
-rw-r--r--src/network/networkd-route.c49
1 files changed, 40 insertions, 9 deletions
diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c
index 25db676f05..4e389db5ef 100644
--- a/src/network/networkd-route.c
+++ b/src/network/networkd-route.c
@@ -138,6 +138,19 @@ int route_drop(Route *route, Link *link,
return log_error_errno(r, "Could not set destination prefix length: %m");
}
+ if (route->src_prefixlen) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6);
+ if (r < 0)
+ return log_error_errno(r, "Could not append RTA_DST attribute: %m");
+
+ r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
+ if (r < 0)
+ return log_error_errno(r, "Could not set source prefix length: %m");
+ }
+
if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
@@ -207,6 +220,19 @@ int route_configure(Route *route, Link *link,
return log_error_errno(r, "Could not set destination prefix length: %m");
}
+ if (route->src_prefixlen) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6);
+ if (r < 0)
+ return log_error_errno(r, "Could not append RTA_SRC attribute: %m");
+
+ r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
+ if (r < 0)
+ return log_error_errno(r, "Could not set source prefix length: %m");
+ }
+
if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
@@ -298,6 +324,7 @@ int config_parse_destination(const char *unit,
_cleanup_route_free_ Route *n = NULL;
const char *address, *e;
union in_addr_union buffer;
+ unsigned char prefixlen;
int r, f;
assert(filename);
@@ -310,7 +337,7 @@ int config_parse_destination(const char *unit,
if (r < 0)
return r;
- /* Destination=address/prefixlen */
+ /* Destination|Source=address/prefixlen */
/* address */
e = strchr(rvalue, '/');
@@ -328,29 +355,33 @@ int config_parse_destination(const char *unit,
/* prefixlen */
if (e) {
- unsigned i;
-
- r = safe_atou(e + 1, &i);
+ r = safe_atou8(e + 1, &prefixlen);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Route destination prefix length is invalid, ignoring assignment: %s", e + 1);
return 0;
}
-
- n->dst_prefixlen = (unsigned char) i;
} else {
switch (n->family) {
case AF_INET:
- n->dst_prefixlen = 32;
+ prefixlen = 32;
break;
case AF_INET6:
- n->dst_prefixlen = 128;
+ prefixlen = 128;
break;
}
}
n->family = f;
- n->dst_addr = buffer;
+ if (streq(lvalue, "Destination")) {
+ n->dst_addr = buffer;
+ n->dst_prefixlen = prefixlen;
+ } else if (streq(lvalue, "Source")) {
+ n->src_addr = buffer;
+ n->src_prefixlen = prefixlen;
+ } else
+ assert_not_reached(lvalue);
+
n = NULL;
return 0;