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Directory check before access check.

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This commit is contained in:
Philip Homburg 2007-08-08 15:26:47 +00:00
parent a116b3aa55
commit e2f06e7c89
1 changed files with 8 additions and 0 deletions
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8
servers/vfs/link.c
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@ -68,6 +68,14 @@ PUBLIC int do_link()
return EXDEV; return EXDEV;
} }
/* Make sure that the object is a directory */
if ((vp_d->v_mode & I_TYPE) != I_DIRECTORY)
{
put_vnode(vp_o);
put_vnode(vp_d);
return ENOTDIR;
}
r= forbidden(vp_d, W_BIT|X_BIT, 0 /*!use_realuid*/); r= forbidden(vp_d, W_BIT|X_BIT, 0 /*!use_realuid*/);
if (r != OK) if (r != OK)
{ {