Public bug reported:
>From "man 1 test"
NAME
test - check file types and compare values
DESCRIPTION
Exit with the status determined by EXPRESSION.
[deleted]
-e FILE
FILE exists
When "test -e" is called, it is intended to determine the existence or
non-existence of a file. However, the "test" command is implemented
using stat(), which may be disallowed by security policy. If stat() is
disallowed, "test" will falsely claim a file doesn't exist when it
really exists.
Replacing "stat() == 0" with "access(F_OK) == 0" fixes this problem. See
attached patch.
** Affects: mksh
Importance: Undecided
Status: New
** Attachment added: "mksh.txt"
https://bugs.launchpad.net/bugs/1817959/+attachment/5242146/+files/mksh.txt
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https://bugs.launchpad.net/bugs/1817959
Title:
"test -e" inaccurately returns false when stat() is disallowed
Status in mksh:
New
Bug description:
From "man 1 test"
NAME
test - check file types and compare values
DESCRIPTION
Exit with the status determined by EXPRESSION.
[deleted]
-e FILE
FILE exists
When "test -e" is called, it is intended to determine the existence or
non-existence of a file. However, the "test" command is implemented
using stat(), which may be disallowed by security policy. If stat() is
disallowed, "test" will falsely claim a file doesn't exist when it
really exists.
Replacing "stat() == 0" with "access(F_OK) == 0" fixes this problem.
See attached patch.
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