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Fix a bug when shell expansion is done against dangling symlinks, by

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converting the stat() call to a lstat() call, which will cover the
situation.  One can exercise this bug by referring a dangling link with
something like */the-link.

Approved by:	re (scottl)
Submitted by:	Simon 'corecode' Schubert [corecode fs ei tum de]
Obtained from:	NetBSD via DragonFlyBSD (NetBSD rev. 1.51 and DragonFly
		rev. 1.6)
MFC After:	3 days
This commit is contained in:
Xin LI 2005-07-07 18:10:33 +00:00
parent a617a18a23
commit 0e3e87bd43
1 changed files with 1 additions and 1 deletions
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2
bin/sh/expand.c
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@ -1162,7 +1162,7 @@ expmeta(char *enddir, char *name)
if (*p == '\0')
break;
}
if (metaflag == 0 || stat(expdir, &statb) >= 0)
if (metaflag == 0 || lstat(expdir, &statb) >= 0)
addfname(expdir);
return;
}