X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Ftest%2Ftest-cap-list.c;h=43a2d35b80346c8d65f8bf598711a97ec1fa5a12;hb=b6e676ce41508e2aeea22202fc8f234126177f52;hp=7c5ae18b25aa38331c074318807c479206decb9e;hpb=dbf1f77bf727f7566f25553232b33843ecc172f0;p=elogind.git
diff --git a/src/test/test-cap-list.c b/src/test/test-cap-list.c
index 7c5ae18b2..43a2d35b8 100644
--- a/src/test/test-cap-list.c
+++ b/src/test/test-cap-list.c
@@ -19,17 +19,20 @@
along with systemd; If not, see .
***/
-#include "log.h"
+#include "util.h"
+#include "fileio.h"
#include "cap-list.h"
#include "capability.h"
+#include
-int main(int argc, char *argv[]) {
+/* verify the capability parser */
+static void test_cap_list(void) {
int i;
assert_se(!capability_to_name(-1));
- assert_se(!capability_to_name(cap_last_cap()+1));
+ assert_se(!capability_to_name(capability_list_length()));
- for (i = 0; i <= (int) cap_last_cap(); i++) {
+ for (i = 0; i < capability_list_length(); i++) {
const char *n;
assert_se(n = capability_to_name(i));
@@ -45,7 +48,7 @@ int main(int argc, char *argv[]) {
assert_se(capability_from_name("15") == 15);
assert_se(capability_from_name("-1") == -EINVAL);
- for (i = 0; i <= (int) cap_last_cap(); i++) {
+ for (i = 0; i < capability_list_length(); i++) {
_cleanup_cap_free_charp_ char *a = NULL;
const char *b;
unsigned u;
@@ -63,6 +66,45 @@ int main(int argc, char *argv[]) {
assert_se(strcasecmp(a, b) == 0);
}
+}
+
+/* verify cap_last_cap() against /proc/sys/kernel/cap_last_cap */
+static void test_last_cap_file(void) {
+ _cleanup_free_ char *content = NULL;
+ unsigned long val = 0;
+ int r;
+
+ r = read_one_line_file("/proc/sys/kernel/cap_last_cap", &content);
+ assert_se(r >= 0);
+
+ r = safe_atolu(content, &val);
+ assert_se(r >= 0);
+ assert_se(val != 0);
+ assert_se(val == cap_last_cap());
+}
+
+/* verify cap_last_cap() against syscall probing */
+static void test_last_cap_probe(void) {
+ unsigned long p = (unsigned long)CAP_LAST_CAP;
+
+ if (prctl(PR_CAPBSET_READ, p) < 0) {
+ for (p--; p > 0; p --)
+ if (prctl(PR_CAPBSET_READ, p) >= 0)
+ break;
+ } else {
+ for (;; p++)
+ if (prctl(PR_CAPBSET_READ, p+1) < 0)
+ break;
+ }
+
+ assert_se(p != 0);
+ assert_se(p == cap_last_cap());
+}
+
+int main(int argc, char *argv[]) {
+ test_cap_list();
+ test_last_cap_file();
+ test_last_cap_probe();
return 0;
}