fdo-mirrors/NetworkManager
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git synced 2026-01-09 00:40:19 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

libnl: Create a common netlink route add function

Browse source
This commit is contained in:
Alfredo Matos 2011-08-05 16:02:34 +01:00 • committed by Dan Williams
parent 83b1b1660f
commit a73039c0ec
2 changed files with 87 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

80
src/nm-netlink-utils.c
View file

@ -164,6 +164,86 @@ nm_netlink_route_new (int ifindex,
return route;
}
/**
* nm_netlink_route_add:
* @route: the route to add
*
* Returns: zero if succeeded or the netlink error otherwise.
**/
int nm_netlink_route_add(struct rtnl_route * route,
int family,
const void * dest, /* in_addr or in6_addr */
int dest_prefix,
const void * gateway, /* in_addr or in6_addr */
int flags)
{
struct nl_sock * sk;
struct nl_addr * dest_addr, * gw_addr;
void * tmp_addr;
int addrlen, err, log;
if(family == AF_INET) {
addrlen = sizeof(struct in_addr);
log = LOGD_IP4;
}
else if (family == AF_INET6) {
addrlen = sizeof(struct in6_addr);
log = LOGD_IP6;
} else {
g_assert_not_reached ();
}
sk = nm_netlink_get_default_handle();
/* Build up the destination address */
if (dest) {
/* Copy to preserve const */
tmp_addr = g_malloc0(addrlen);
memcpy(tmp_addr, dest, addrlen);
dest_addr = nl_addr_build (family, tmp_addr, addrlen);
g_free(tmp_addr);
g_return_val_if_fail (dest_addr != NULL, -NLE_INVAL);
nl_addr_set_prefixlen (dest_addr, dest_prefix);
rtnl_route_set_dst (route, dest_addr);
nl_addr_put (dest_addr);
}
/* Build up the gateway address */
if (gateway) {
tmp_addr = g_malloc0(addrlen);
memcpy(tmp_addr, gateway, addrlen);
gw_addr = nl_addr_build (family, tmp_addr, addrlen);
g_free(tmp_addr);
if (gw_addr) {
nl_addr_set_prefixlen (gw_addr, 0);
rtnl_route_set_gateway (route, gw_addr);
rtnl_route_set_scope (route, RT_SCOPE_UNIVERSE);
nl_addr_put(gw_addr);
} else {
nm_log_err (LOGD_DEVICE | log, "Invalid gateway");
}
}
err = rtnl_route_add (sk, route, 0);
/* LIBNL Bug: Aliased ESRCH */
if (err == -NLE_FAILURE)
err = -NLE_OBJ_NOTFOUND;
if (err)
nm_log_warn (LOGD_DEVICE | log,
"Failed to add route %s",
nl_geterror(err));
return err;
}
/**
* nm_netlink_route_delete:
* @route: the route to delete

7
src/nm-netlink-utils.h
View file

@ -43,6 +43,13 @@ struct rtnl_route * nm_netlink_route_new (int ifindex,
int mss,
...) __attribute__((__sentinel__));
int nm_netlink_route_add (struct rtnl_route *route,
int family,
const void * dst, /* struct in_addr or struct in6_addr */
int prefix,
const void * gw, /* struct in_addr or struct in6_addr */
int flags);
gboolean nm_netlink_route_delete (struct rtnl_route *route);
/**