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-rw-r--r--src/test/test-sysctl-util.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/test/test-sysctl-util.c b/src/test/test-sysctl-util.c
new file mode 100644
index 0000000..81207f5
--- /dev/null
+++ b/src/test/test-sysctl-util.c
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/utsname.h>
+
+#include "sd-id128.h"
+
+#include "errno-util.h"
+#include "hostname-util.h"
+#include "strv.h"
+#include "sysctl-util.h"
+#include "tests.h"
+
+static const char* const cases[] = {
+ "a.b.c", "a/b/c",
+ "a/b/c", "a/b/c",
+ "a/b.c/d", "a/b.c/d",
+ "a.b/c.d", "a/b.c/d",
+
+ "net.ipv4.conf.enp3s0/200.forwarding", "net/ipv4/conf/enp3s0.200/forwarding",
+ "net/ipv4/conf/enp3s0.200/forwarding", "net/ipv4/conf/enp3s0.200/forwarding",
+
+ "a...b...c", "a/b/c",
+ "a///b///c", "a/b/c",
+ ".a...b...c", "a/b/c",
+ "/a///b///c", "a/b/c",
+ NULL,
+};
+
+TEST(sysctl_normalize) {
+ STRV_FOREACH_PAIR(s, expected, cases) {
+ _cleanup_free_ char *t;
+
+ assert_se(t = strdup(*s));
+ assert_se(sysctl_normalize(t) == t);
+
+ log_info("\"%s\" → \"%s\", expected \"%s\"", *s, t, *expected);
+ assert_se(streq(t, *expected));
+ }
+}
+
+TEST(sysctl_read) {
+ _cleanup_free_ char *s = NULL;
+ struct utsname u;
+ sd_id128_t a, b;
+ int r;
+
+ assert_se(sysctl_read("kernel/random/boot_id", &s) >= 0);
+ assert_se(sd_id128_from_string(s, &a) >= 0);
+ assert_se(sd_id128_get_boot(&b) >= 0);
+ assert_se(sd_id128_equal(a, b));
+ s = mfree(s);
+
+ assert_se(sysctl_read_ip_property(AF_INET, "lo", "forwarding", &s));
+ assert_se(STR_IN_SET(s, "0", "1"));
+
+ r = sysctl_write_ip_property(AF_INET, "lo", "forwarding", s);
+ assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS);
+ s = mfree(s);
+
+ assert_se(sysctl_read_ip_property(AF_INET, NULL, "ip_forward", &s));
+ assert_se(STR_IN_SET(s, "0", "1"));
+
+ r = sysctl_write_ip_property(AF_INET, NULL, "ip_forward", s);
+ assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS);
+ s = mfree(s);
+
+ assert_se(sysctl_read("kernel/hostname", &s) >= 0);
+ assert_se(uname(&u) >= 0);
+ assert_se(streq_ptr(s, u.nodename));
+
+ r = sysctl_write("kernel/hostname", s);
+ assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS);
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);