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path: root/src/network/networkd-link.c
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Diffstat (limited to 'src/network/networkd-link.c')
-rw-r--r--src/network/networkd-link.c97
1 files changed, 80 insertions, 17 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 525fe1442f..e3fb094943 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -236,8 +236,10 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
link->route_messages --;
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -EEXIST)
@@ -254,6 +256,8 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
link_enter_configured(link);
}
+ link_unref(link);
+
return 1;
}
@@ -282,6 +286,7 @@ static int link_enter_set_routes(Link *link) {
return r;
}
+ link_ref(link);
link->route_messages ++;
}
@@ -316,6 +321,7 @@ static int link_enter_set_routes(Link *link) {
return r;
}
+ link_ref(link);
link->route_messages ++;
}
}
@@ -361,6 +367,7 @@ static int link_enter_set_routes(Link *link) {
return r;
}
+ link_ref(link);
link->route_messages ++;
route->family = AF_INET;
@@ -374,6 +381,7 @@ static int link_enter_set_routes(Link *link) {
return r;
}
+ link_ref(link);
link->route_messages ++;
}
}
@@ -393,8 +401,10 @@ static int route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata)
assert(link);
assert(link->ifname);
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -ENOENT)
@@ -404,6 +414,8 @@ static int route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata)
"ERRNO=%d", -r,
NULL);
+ link_unref(link);
+
return 0;
}
@@ -419,8 +431,10 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
link->addr_messages --;
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -EEXIST)
@@ -435,6 +449,8 @@ static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
link_enter_set_routes(link);
}
+ link_unref(link);
+
return 1;
}
@@ -463,6 +479,7 @@ static int link_enter_set_addresses(Link *link) {
return r;
}
+ link_ref(link);
link->addr_messages ++;
}
@@ -498,6 +515,7 @@ static int link_enter_set_addresses(Link *link) {
return r;
}
+ link_ref(link);
link->addr_messages ++;
}
}
@@ -544,6 +562,7 @@ static int link_enter_set_addresses(Link *link) {
return r;
}
+ link_ref(link);
link->addr_messages ++;
}
@@ -558,8 +577,10 @@ static int address_update_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userd
assert(link);
assert(link->ifname);
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -ENOENT)
@@ -569,6 +590,8 @@ static int address_update_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userd
"ERRNO=%d", -r,
NULL);
+ link_unref(link);
+
return 0;
}
@@ -580,8 +603,10 @@ static int address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdat
assert(link);
assert(link->ifname);
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0 && r != -ENOENT)
@@ -591,34 +616,43 @@ static int address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdat
"ERRNO=%d", -r,
NULL);
+ link_unref(link);
+
return 0;
}
static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
+ Link *link = userdata;
int r;
+ assert(link);
+
r = sd_bus_message_get_errno(m);
if (r < 0)
log_warning("Could not set hostname: %s", strerror(-r));
+ link_unref(link);
+
return 1;
}
-static int set_hostname(sd_bus *bus, const char *hostname) {
+static int link_set_hostname(Link *link, const char *hostname) {
_cleanup_bus_message_unref_ sd_bus_message *m = NULL;
int r = 0;
+ assert(link);
+ assert(link->manager);
assert(hostname);
- log_debug("Setting transient hostname: '%s'", hostname);
+ log_debug_link(link, "Setting transient hostname: '%s'", hostname);
- if (!bus) { /* TODO: replace by assert when we can rely on kdbus */
- log_info("Not connected to system bus, ignoring transient hostname.");
+ if (!link->manager->bus) { /* TODO: replace by assert when we can rely on kdbus */
+ log_info_link(link, "Not connected to system bus, ignoring transient hostname.");
return 0;
}
r = sd_bus_message_new_method_call(
- bus,
+ link->manager->bus,
&m,
"org.freedesktop.hostname1",
"/org/freedesktop/hostname1",
@@ -631,9 +665,11 @@ static int set_hostname(sd_bus *bus, const char *hostname) {
if (r < 0)
return r;
- r = sd_bus_call_async(bus, m, set_hostname_handler, NULL, 0, NULL);
+ r = sd_bus_call_async(link->manager->bus, m, set_hostname_handler, link, 0, NULL);
if (r < 0)
- log_error("Could not set transient hostname: %s", strerror(-r));
+ log_error_link(link, "Could not set transient hostname: %s", strerror(-r));
+
+ link_ref(link);
return r;
}
@@ -646,8 +682,10 @@ static int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
assert(link);
assert(link->ifname);
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0)
@@ -657,6 +695,8 @@ static int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
"ERRNO=%d", -r,
NULL);
+ link_unref(link);
+
return 1;
}
@@ -690,6 +730,8 @@ static int link_set_mtu(Link *link, uint32_t mtu) {
return r;
}
+ link_unref(link);
+
return 0;
}
@@ -720,6 +762,7 @@ static int dhcp_lease_lost(Link *link) {
route_gw->scope = RT_SCOPE_LINK;
route_drop(route_gw, link, &route_drop_handler);
+ link_ref(link);
}
r = route_new_dynamic(&route);
@@ -728,6 +771,7 @@ static int dhcp_lease_lost(Link *link) {
route->in_addr.in = gateway;
route_drop(route, link, &route_drop_handler);
+ link_ref(link);
}
}
@@ -740,6 +784,7 @@ static int dhcp_lease_lost(Link *link) {
address->prefixlen = prefixlen;
address_drop(address, link, &address_drop_handler);
+ link_ref(link);
}
if (link->network->dhcp_mtu) {
@@ -761,7 +806,7 @@ static int dhcp_lease_lost(Link *link) {
r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
if (r >= 0 && hostname) {
- r = set_hostname(link->manager->bus, "");
+ r = link_set_hostname(link, "");
if (r < 0)
log_error("Failed to reset transient hostname");
}
@@ -868,7 +913,7 @@ static int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {
r = sd_dhcp_lease_get_hostname(lease, &hostname);
if (r >= 0) {
- r = set_hostname(link->manager->bus, hostname);
+ r = link_set_hostname(link, hostname);
if (r < 0)
log_error("Failed to set transient hostname "
"to '%s'", hostname);
@@ -988,6 +1033,7 @@ static int ipv4ll_address_update(Link *link, bool deprecate) {
address->broadcast.s_addr = address->in_addr.in.s_addr | htonl(0xfffffffflu >> address->prefixlen);
address_update(address, link, &address_update_handler);
+ link_ref(link);
}
return 0;
@@ -1020,6 +1066,7 @@ static int ipv4ll_address_lost(Link *link) {
address->scope = RT_SCOPE_LINK;
address_drop(address, link, &address_drop_handler);
+ link_ref(link);
r = route_new_dynamic(&route);
if (r < 0) {
@@ -1033,6 +1080,7 @@ static int ipv4ll_address_lost(Link *link) {
route->metrics = 99;
route_drop(route, link, &route_drop_handler);
+ link_ref(link);
}
return 0;
@@ -1287,8 +1335,10 @@ static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
assert(link);
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0) {
@@ -1301,6 +1351,8 @@ static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
NULL);
}
+ link_unref(link);
+
return 1;
}
@@ -1334,6 +1386,8 @@ static int link_up(Link *link) {
return r;
}
+ link_ref(link);
+
return 0;
}
@@ -1368,8 +1422,10 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
link->enslaving --;
- if (link->state == LINK_STATE_FAILED)
+ if (link->state == LINK_STATE_FAILED) {
+ link_unref(link);
return 1;
+ }
r = sd_rtnl_message_get_errno(m);
if (r < 0) {
@@ -1379,6 +1435,7 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
"ERRNO=%d", -r,
NULL);
link_enter_failed(link);
+ link_unref(link);
return 1;
}
@@ -1387,6 +1444,8 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
if (link->enslaving == 0)
link_enslaved(link);
+ link_unref(link);
+
return 1;
}
@@ -1426,6 +1485,7 @@ static int link_enter_enslave(Link *link) {
return r;
}
+ link_ref(link);
link->enslaving ++;
}
@@ -1447,6 +1507,7 @@ static int link_enter_enslave(Link *link) {
return r;
}
+ link_ref(link);
link->enslaving ++;
}
@@ -1465,6 +1526,7 @@ static int link_enter_enslave(Link *link) {
return r;
}
+ link_ref(link);
link->enslaving ++;
}
@@ -1483,6 +1545,7 @@ static int link_enter_enslave(Link *link) {
return r;
}
+ link_ref(link);
link->enslaving ++;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-14 06:41:51 +0000