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From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH v6 2/3] Add tst_secureboot_enabled() helper function
Date: Thu, 14 Jan 2021 14:38:20 +0100	[thread overview]
Message-ID: <YABJTK2hRHBjJ6lc@yuki.lan> (raw)
In-Reply-To: <20210112095759.11910-2-mdoucha@suse.cz>

Hi!
> +int tst_secureboot_enabled(void)
> +{
> +	int fd;
> +	char data[5];
> +
> +	if (access(EFIVAR_SECUREBOOT, F_OK)) {
> +		tst_res(TINFO, "Efivar FS not available");
> +		return -1;
> +	}
> +
> +	fd = open(EFIVAR_SECUREBOOT, O_RDONLY);
> +
> +	if (fd == -1) {
> +		tst_res(TINFO | TERRNO,
> +			"Cannot open SecureBoot Efivar sysfile");
> +		return -1;
> +	} else if (fd < 0) {
> +		tst_brk(TBROK | TERRNO, "Invalid open() return value %d", fd);
> +		return -1;
> +	}

If we change the access() above to R_OK we can just do SAFE_OPEN() here, right?

Other than this the code looks good.

-- 
Cyril Hrubis
chrubis@suse.cz

  reply	other threads:[~2021-01-14 13:38 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12  9:57 [LTP] [PATCH v6 1/3] Add tst_kconfig_get() helper function Martin Doucha
2021-01-12  9:57 ` [LTP] [PATCH v6 2/3] Add tst_secureboot_enabled() " Martin Doucha
2021-01-14 13:38   ` Cyril Hrubis [this message]
2021-01-14 13:46     ` Martin Doucha
2021-01-14 14:09       ` Cyril Hrubis
2021-01-12  9:57 ` [LTP] [PATCH v6 3/3] syscalls/iopl02, ioperm02: Skip when kernel is locked down Martin Doucha

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