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authorTom Gundersen <teg@jklm.no>2013-12-31 17:31:50 +0100
committerTom Gundersen <teg@jklm.no>2014-01-01 15:12:50 +0100
commit407fe036a24834203aca6c1eec7d74d9ad3e9ee0 (patch)
treebf78da1c6805bbd4795e25d4cf0d14c6a722182b
parent9b55cd5665d94e2245a4ca90d2548bbcfe8c34fb (diff)
network: add support for dropping address
-rw-r--r--src/network/networkd-address.c39
-rw-r--r--src/network/networkd.h1
2 files changed, 40 insertions, 0 deletions
diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 63ba33ea24..c0cc1287aa 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -74,6 +74,45 @@ void address_free(Address *address) {
free(address);
}
+int address_drop(Address *address, Link *link,
+ sd_rtnl_message_handler_t callback) {
+ _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(address);
+ assert(address->family == AF_INET || address->family == AF_INET6);
+ assert(link);
+ assert(link->ifindex > 0);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ r = sd_rtnl_message_addr_new(RTM_DELADDR, link->ifindex,
+ address->family, address->prefixlen, 0, 0, &req);
+ if (r < 0) {
+ log_error("Could not allocate RTM_DELADDR message: %s",
+ strerror(-r));
+ return r;
+ }
+
+ if (address->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
+ else if (address->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
+ if (r < 0) {
+ log_error("Could not append IFA_LOCAL attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
int address_configure(Address *address, Link *link,
sd_rtnl_message_handler_t callback) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
diff --git a/src/network/networkd.h b/src/network/networkd.h
index c28c90f0e3..bb775081c3 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -242,6 +242,7 @@ int config_parse_destination(const char *unit, const char *filename, unsigned li
int address_new(Network *network, unsigned section, Address **ret);
void address_free(Address *address);
int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
+int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
#define _cleanup_address_free_ _cleanup_(address_freep)