63 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) International Business Machines Corp., 2001
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|  * Ported to LTP: Wayne Boyer
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|  * Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
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|  */
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| /*
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|  * Testcase to test the different errnos set by setrlimit(2) system call.
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|  */
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| #include <pwd.h>
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| #include <errno.h>
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| #include "tst_test.h"
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| 
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| static char nobody_uid[] = "nobody";
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| static struct rlimit rlim;
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| 
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| static struct tcase {
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| 	int resource;
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| 	struct rlimit *rlim;
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| 	int exp_errno;
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| } tcases[] = {
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| 	{-1, &rlim, EINVAL},
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| 	{RLIMIT_NOFILE, &rlim, EPERM}
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| };
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| 
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| static void verify_setrlimit(unsigned int n)
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| {
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| 	struct tcase *tc = &tcases[n];
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| 
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| 	TEST(setrlimit(tc->resource, tc->rlim));
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| 
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| 	if (TST_RET != -1) {
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| 		tst_res(TFAIL, "call succeeded unexpectedly");
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| 		return;
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| 	}
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| 
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| 	if (TST_ERR != tc->exp_errno) {
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| 		tst_res(TFAIL | TTERRNO,
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| 			"setrlimit() should fail with %s got",
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| 			tst_strerrno(tc->exp_errno));
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| 		return;
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| 	}
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| 
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| 	tst_res(TPASS | TTERRNO, "setrlimit() failed as expected");
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| }
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| 
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| static void setup(void)
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| {
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| 	struct passwd *ltpuser = SAFE_GETPWNAM(nobody_uid);
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| 
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| 	SAFE_SETUID(ltpuser->pw_uid);
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| 
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| 	SAFE_GETRLIMIT(RLIMIT_NOFILE, &rlim);
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| 	rlim.rlim_max++;
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| }
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| 
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| static struct tst_test test = {
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| 	.setup = setup,
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| 	.test = verify_setrlimit,
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| 	.tcnt = ARRAY_SIZE(tcases),
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| 	.needs_root = 1,
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| };
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