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core/dbus-cgroup: actually allow empty assignment for BindNetworkInterface=

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This commit is contained in:
Mike Yuan
2025-12-27 23:47:55 +01:00
parent 5af2df38df
commit 705d2c527f
1 changed files with 7 additions and 10 deletions
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src/core/dbus-cgroup.c
+7 -10
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@@ -1893,6 +1893,7 @@ int bus_cgroup_set_property(
return 1;
}
if (streq(name, "RestrictNetworkInterfaces")) {
int is_allow_list;
_cleanup_strv_free_ char **l = NULL;
@@ -1958,19 +1959,15 @@ int bus_cgroup_set_property(
if (r < 0)
return r;
if (!ifname_valid_full(s, IFNAME_VALID_ALTERNATIVE))
if (!isempty(s) && !ifname_valid_full(s, IFNAME_VALID_ALTERNATIVE))
return sd_bus_error_setf(reterr_error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface name: %s", s);
if (!UNIT_WRITE_FLAGS_NOOP(flags)) {
if (isempty(s))
c->bind_network_interface = mfree(c->bind_network_interface);
else {
r = free_and_strdup_warn(&c->bind_network_interface, s);
if (r < 0)
return r;
}
unit_write_settingf(u, flags, name, "BindNetworkInterface=%s", strempty(s));
r = free_and_strdup_warn(&c->bind_network_interface, empty_to_null(s));
if (r < 0)
return r;
if (r > 0)
unit_write_settingf(u, flags, name, "BindNetworkInterface=%s", s);
}
return 1;