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systemd/SOURCES/0387-sd-netlink-add-a-test-...

75 lines
2.7 KiB

From 32188058ad3b9a8bfc555215982145a128adfc44 Mon Sep 17 00:00:00 2001
From: Nick Rosbrook <nick.rosbrook@canonical.com>
Date: Tue, 22 Nov 2022 17:01:47 -0500
Subject: [PATCH] sd-netlink: add a test for rtnl_set_link_name()
Add a test that verifies a deleted alternative name is restored on error
in rtnl_set_link_name().
(cherry picked from commit b338a8bb402a3ab241a617e096b21ae6a7b7badf)
Related: RHEL-5988
---
src/libsystemd/sd-netlink/test-netlink.c | 27 ++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/src/libsystemd/sd-netlink/test-netlink.c b/src/libsystemd/sd-netlink/test-netlink.c
index 3f74ecc068..2d93f9eba0 100644
--- a/src/libsystemd/sd-netlink/test-netlink.c
+++ b/src/libsystemd/sd-netlink/test-netlink.c
@@ -8,6 +8,7 @@
#include <linux/if_macsec.h>
#include <linux/l2tp.h>
#include <linux/nl80211.h>
+#include <unistd.h>
#include "sd-netlink.h"
@@ -16,6 +17,7 @@
#include "macro.h"
#include "netlink-genl.h"
#include "netlink-internal.h"
+#include "netlink-util.h"
#include "socket-util.h"
#include "stdio-util.h"
#include "string-util.h"
@@ -667,6 +669,30 @@ static void test_genl(void) {
}
}
+static void test_rtnl_set_link_name(sd_netlink *rtnl, int ifindex) {
+ _cleanup_strv_free_ char **alternative_names = NULL;
+ int r;
+
+ log_debug("/* %s */", __func__);
+
+ if (geteuid() != 0)
+ return (void) log_tests_skipped("not root");
+
+ /* Test that the new name (which is currently an alternative name) is
+ * restored as an alternative name on error. Create an error by using
+ * an invalid device name, namely one that exceeds IFNAMSIZ
+ * (alternative names can exceed IFNAMSIZ, but not regular names). */
+ r = rtnl_set_link_alternative_names(&rtnl, ifindex, STRV_MAKE("testlongalternativename"));
+ if (r == -EPERM)
+ return (void) log_tests_skipped("missing required capabilities");
+
+ assert_se(r >= 0);
+ assert_se(rtnl_set_link_name(&rtnl, ifindex, "testlongalternativename") == -EINVAL);
+ assert_se(rtnl_get_link_alternative_names(&rtnl, ifindex, &alternative_names) >= 0);
+ assert_se(strv_contains(alternative_names, "testlongalternativename"));
+ assert_se(rtnl_delete_link_alternative_names(&rtnl, ifindex, STRV_MAKE("testlongalternativename")) >= 0);
+}
+
int main(void) {
sd_netlink *rtnl;
sd_netlink_message *m;
@@ -698,6 +724,7 @@ int main(void) {
test_pipe(if_loopback);
test_event_loop(if_loopback);
test_link_configure(rtnl, if_loopback);
+ test_rtnl_set_link_name(rtnl, if_loopback);
test_get_addresses(rtnl);
test_message_link_bridge(rtnl);