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TOMOYO: Accept \000 as a valid character.

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commit 25add8cf99 upstream.

TOMOYO 2.5 in Linux 3.2 and later handles Unix domain socket's address.
Thus, tomoyo_correct_word2() needs to accept \000 as a valid character, or
TOMOYO 2.5 cannot handle Unix domain's abstract socket address.

Reported-by: Steven Allen <steven@stebalien.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tetsuo Handa
2012-01-15 11:05:59 +09:00
committed by Greg Kroah-Hartman
parent 3991280f95
commit f42395415b
1 changed files with 3 additions and 3 deletions
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6
security/tomoyo/util.c
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@@ -492,13 +492,13 @@ static bool tomoyo_correct_word2(const char *string, size_t len)
if (d < '0' || d > '7' || e < '0' || e > '7')
break;
c = tomoyo_make_byte(c, d, e);
if (tomoyo_invalid(c))
continue; /* pattern is not \000 */
if (c <= ' ' || c >= 127)
continue;
}
goto out;
} else if (in_repetition && c == '/') {
goto out;
} else if (tomoyo_invalid(c)) {
} else if (c <= ' ' || c >= 127) {
goto out;
}
}