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confd: disable IPv4LL & IPv6LL on bridge port interfaces

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A bridge port cannot communicate on layer-3 while acting as a bridge
port.  Removing the port from the bridge re-enables the link-local
addresses, if any, from the configuration.

Fix #327

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
This commit is contained in:
Joachim Wiberg
2024-03-07 12:45:55 +01:00
committed by Mattias Walström
parent c21f37c241
commit 4bfedf7a98
1 changed files with 16 additions and 3 deletions
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src/confd/src/ietf-interfaces.c
+16 -3
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@@ -313,6 +313,16 @@ static int netdag_exit_reload(struct dagger *net)
return 0;
}
static bool is_bridge_port(struct lyd_node *cif)
{
struct lyd_node *node = lydx_get_descendant(lyd_child(cif), "bridge-port", NULL);
if (!node || !lydx_get_child(node, "bridge"))
return false;
return true;
}
static bool is_std_lo_addr(const char *ifname, const char *ip, const char *pf)
{
struct in6_addr in6, lo6;
@@ -490,7 +500,7 @@ static int netdag_gen_ipv6_autoconf(struct dagger *net, struct lyd_node *cif,
struct lyd_node *node;
FILE *fp;
if (!ipconf || !lydx_is_enabled(ipconf, "enabled")) {
if (!ipconf || !lydx_is_enabled(ipconf, "enabled") || is_bridge_port(cif)) {
fputs(" addrgenmode none", ip);
return 0;
}
@@ -533,7 +543,7 @@ static int netdag_gen_ipv4_autoconf(struct dagger *net, struct lyd_node *cif,
FILE *initctl;
int err = 0;
if (!ipconf || !lydx_is_enabled(ipconf, "enabled"))
if (!ipconf || !lydx_is_enabled(ipconf, "enabled") || is_bridge_port(cif))
goto disable;
if (lydx_get_op(lydx_get_child(ipdiff, "enabled")) == LYDX_OP_REPLACE) {
@@ -872,10 +882,13 @@ static int bridge_gen_ports(struct dagger *net, struct lyd_node *dif, struct lyd
const char *ifname;
int err = 0;
if (!is_bridge_port(cif))
return 0;
node = lydx_get_descendant(lyd_child(dif), "bridge-port", NULL);
bridge = lydx_get_child(node, "bridge");
if (!node || !bridge)
return 0; /* not a bridge port, skip */
return 0; /* bridge port but no diff, skip */
ifname = lydx_get_cattr(cif, "name");