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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:25:50 +0000
commit19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch)
treed59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/test/test-cap-list.c
parentInitial commit. (diff)
downloadsystemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.tar.xz
systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.zip
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-cap-list.c')
-rw-r--r--src/test/test-cap-list.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/test/test-cap-list.c b/src/test/test-cap-list.c
new file mode 100644
index 0000000..de5fa72
--- /dev/null
+++ b/src/test/test-cap-list.c
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <sys/prctl.h>
+
+#include "alloc-util.h"
+#include "cap-list.h"
+#include "capability-util.h"
+#include "parse-util.h"
+#include "string-util.h"
+#include "util.h"
+
+/* verify the capability parser */
+static void test_cap_list(void) {
+ int i;
+
+ assert_se(!capability_to_name(-1));
+ assert_se(!capability_to_name(capability_list_length()));
+
+ for (i = 0; i < capability_list_length(); i++) {
+ const char *n;
+
+ assert_se(n = capability_to_name(i));
+ assert_se(capability_from_name(n) == i);
+ printf("%s = %i\n", n, i);
+ }
+
+ assert_se(capability_from_name("asdfbsd") == -EINVAL);
+ assert_se(capability_from_name("CAP_AUDIT_READ") == CAP_AUDIT_READ);
+ assert_se(capability_from_name("cap_audit_read") == CAP_AUDIT_READ);
+ assert_se(capability_from_name("cAp_aUdIt_rEAd") == CAP_AUDIT_READ);
+ assert_se(capability_from_name("0") == 0);
+ assert_se(capability_from_name("15") == 15);
+ assert_se(capability_from_name("-1") == -EINVAL);
+
+ for (i = 0; i < capability_list_length(); i++) {
+ _cleanup_cap_free_charp_ char *a = NULL;
+ const char *b;
+ unsigned u;
+
+ assert_se(a = cap_to_name(i));
+
+ /* quit the loop as soon as libcap starts returning
+ * numeric ids, formatted as strings */
+ if (safe_atou(a, &u) >= 0)
+ break;
+
+ assert_se(b = capability_to_name(i));
+
+ printf("%s vs. %s\n", a, b);
+
+ assert_se(strcasecmp(a, b) == 0);
+ }
+}
+
+static void test_capability_set_one(uint64_t c, const char *t) {
+ _cleanup_free_ char *t1 = NULL;
+ uint64_t c1, c_masked = c & ((UINT64_C(1) << capability_list_length()) - 1);
+
+ assert_se(capability_set_to_string_alloc(c, &t1) == 0);
+ assert_se(streq(t1, t));
+
+ assert_se(capability_set_from_string(t1, &c1) == 0);
+ assert_se(c1 == c_masked);
+
+ free(t1);
+ assert_se(t1 = strjoin("'cap_chown cap_dac_override' \"cap_setgid cap_setuid\"", t,
+ " hogehoge foobar 12345 3.14 -3 ", t));
+ assert_se(capability_set_from_string(t1, &c1) == 0);
+ assert_se(c1 == c_masked);
+}
+
+static void test_capability_set(void) {
+ uint64_t c;
+
+ assert_se(capability_set_from_string(NULL, &c) == 0);
+ assert_se(c == 0);
+
+ assert_se(capability_set_from_string("", &c) == 0);
+ assert_se(c == 0);
+
+ assert_se(capability_set_from_string("0", &c) == 0);
+ assert_se(c == UINT64_C(1));
+
+ assert_se(capability_set_from_string("1", &c) == 0);
+ assert_se(c == UINT64_C(1) << 1);
+
+ assert_se(capability_set_from_string("0 1 2 3", &c) == 0);
+ assert_se(c == (UINT64_C(1) << 4) - 1);
+
+ test_capability_set_one(0, "");
+ test_capability_set_one(
+ UINT64_C(1) << CAP_DAC_OVERRIDE,
+ "cap_dac_override");
+ test_capability_set_one(
+ UINT64_C(1) << CAP_DAC_OVERRIDE |
+ UINT64_C(1) << capability_list_length(),
+ "cap_dac_override");
+ test_capability_set_one(
+ UINT64_C(1) << capability_list_length(), "");
+ test_capability_set_one(
+ UINT64_C(1) << CAP_CHOWN |
+ UINT64_C(1) << CAP_DAC_OVERRIDE |
+ UINT64_C(1) << CAP_DAC_READ_SEARCH |
+ UINT64_C(1) << CAP_FOWNER |
+ UINT64_C(1) << CAP_SETGID |
+ UINT64_C(1) << CAP_SETUID |
+ UINT64_C(1) << CAP_SYS_PTRACE |
+ UINT64_C(1) << CAP_SYS_ADMIN |
+ UINT64_C(1) << CAP_AUDIT_CONTROL |
+ UINT64_C(1) << CAP_MAC_OVERRIDE |
+ UINT64_C(1) << CAP_SYSLOG |
+ UINT64_C(1) << (capability_list_length() + 1),
+ "cap_chown cap_dac_override cap_dac_read_search cap_fowner "
+ "cap_setgid cap_setuid cap_sys_ptrace cap_sys_admin "
+ "cap_audit_control cap_mac_override cap_syslog");
+}
+
+int main(int argc, char *argv[]) {
+ test_cap_list();
+ test_capability_set();
+
+ return 0;
+}