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boundary="===============0751709270==" Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" --===============0751709270== Content-Type: multipart/alternative; boundary="------------JGb9kfn3d2SmxD4042tkoi0N" Content-Language: en-US --------------JGb9kfn3d2SmxD4042tkoi0N Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Petr, can TST_TEST_CONF be used even if TST_NO_DEFAULT_MAIN is defined? Andrea On 4/4/22 12:33, Petr Vorel wrote: > Hi Andrea, > > BTW it'd help reviewers a bit if you include a changelog. > > Reviewed-by: Petr Vorel > TL;DR: TST_TEST_TCONF() in userns06_capcheck.c > >> diff --git a/testcases/kernel/containers/userns/userns06_capcheck.c b/testcases/kernel/containers/userns/userns06_capcheck.c > ... >> -/* >> - * Verify that: >> +/*\ >> + * [Description] >> + * >> * When a process with non-zero user IDs performs an execve(), the >> * process's capability sets are cleared. When a process with zero >> * user IDs performs an execve(), the process's capability sets >> * are set. >> */ > nit: I wonder if we want to have docparse documentation in both userns06.c and > userns06_capcheck.c, they now look as 2 separate tests. Maybe describe > everything in userns06.c. > >> +#define TST_NO_DEFAULT_MAIN >> +#include "tst_test.h" >> +#include "config.h" >> + >> +#ifdef HAVE_LIBCAP > ... >> + if (argc < 2) >> + tst_brk(TBROK, "userns06_capcheck "); >> + >> + tst_reinit(); > I'm not sure if tst_reinit() shouldn't be called even before tst_brk(TBROK, ...). >> + >> + SAFE_FILE_SCANF("/proc/sys/kernel/cap_last_cap", "%d", &last_cap); >> + >> if (strcmp("privileged", argv[1])) >> expected_flag = 0; > nit: It might help debugging to print argv[1] in TINF0. > >> caps = cap_get_proc(); >> - SAFE_FILE_SCANF(NULL, "/proc/sys/kernel/cap_last_cap", "%d", &last_cap); >> + >> for (i = 0; i <= last_cap; i++) { >> cap_get_flag(caps, i, CAP_EFFECTIVE, &flag_val); >> if (flag_val != expected_flag) >> break; >> + >> cap_get_flag(caps, i, CAP_PERMITTED, &flag_val); >> if (flag_val != expected_flag) >> break; >> } >> - if (flag_val != expected_flag) { >> - printf("unexpected effective/permitted caps at %d\n", i); >> - exit(1); >> - } >> + if (flag_val != expected_flag) >> + tst_res(TFAIL, "unexpected effective/permitted caps at %d", i); > The flags are CAP_EFFECTIVE and CAP_PERMITTED only here, right? > (i.e. no CAP_INHERITABLE). Not sure how helpful would be to print here which > flag was the failing one. > >> + else >> + tst_res(TPASS, "expected caps at %d", i); >> +} >> #else >> - printf("System is missing libcap.\n"); >> -#endif >> - tst_exit(); >> +int main(void) >> +{ >> + tst_brk(TBROK, "System is missing libcap"); >> } > Why don't you also use TST_TEST_TCONF() here? >> +#endif > Kind regards, > Petr > --------------JGb9kfn3d2SmxD4042tkoi0N Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit

Hi Petr,

can TST_TEST_CONF be used even if TST_NO_DEFAULT_MAIN is defined?

Andrea

On 4/4/22 12:33, Petr Vorel wrote:
Hi Andrea,

BTW it'd help reviewers a bit if you include a changelog.

Reviewed-by: Petr Vorel <pvorel@suse.cz>
TL;DR: TST_TEST_TCONF() in userns06_capcheck.c


diff --git a/testcases/kernel/containers/userns/userns06_capcheck.c b/testcases/kernel/containers/userns/userns06_capcheck.c

...

-/*
- * Verify that:
+/*\
+ * [Description]
+ *
  * When a process with non-zero user IDs performs an execve(), the
  * process's capability sets are cleared. When a process with zero
  * user IDs performs an execve(), the process's capability sets
  * are set.
  */

nit: I wonder if we want to have docparse documentation in both userns06.c and
userns06_capcheck.c, they now look as 2 separate tests. Maybe describe
everything in userns06.c.


+#define TST_NO_DEFAULT_MAIN
+#include "tst_test.h"
+#include "config.h"
+
+#ifdef HAVE_LIBCAP

...

+	if (argc < 2)
+		tst_brk(TBROK, "userns06_capcheck <privileged|unprivileged>");
+
+	tst_reinit();

I'm not sure if tst_reinit() shouldn't be called even before tst_brk(TBROK, ...).

+
+	SAFE_FILE_SCANF("/proc/sys/kernel/cap_last_cap", "%d", &last_cap);
+
 	if (strcmp("privileged", argv[1]))
 		expected_flag = 0;

nit: It might help debugging to print argv[1] in TINF0.


 	caps = cap_get_proc();
-	SAFE_FILE_SCANF(NULL, "/proc/sys/kernel/cap_last_cap", "%d", &last_cap);
+
 	for (i = 0; i <= last_cap; i++) {
 		cap_get_flag(caps, i, CAP_EFFECTIVE, &flag_val);
 		if (flag_val != expected_flag)
 			break;
+
 		cap_get_flag(caps, i, CAP_PERMITTED, &flag_val);
 		if (flag_val != expected_flag)
 			break;
 	}


      

        
-	if (flag_val != expected_flag) {
-		printf("unexpected effective/permitted caps at %d\n", i);
-		exit(1);
-	}
+	if (flag_val != expected_flag)
+		tst_res(TFAIL, "unexpected effective/permitted caps at %d", i);


      

      
The flags are CAP_EFFECTIVE and CAP_PERMITTED only here, right?
(i.e. no CAP_INHERITABLE). Not sure how helpful would be to print here which
flag was the failing one.



      

        
+	else
+		tst_res(TPASS, "expected caps at %d", i);
+}


      

      

      

        
 #else
-	printf("System is missing libcap.\n");
-#endif
-	tst_exit();
+int main(void)
+{
+	tst_brk(TBROK, "System is missing libcap");
 }


      

      
Why don't you also use TST_TEST_TCONF() here?


      

        
+#endif


      

      
Kind regards,
Petr



    

  


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