linux-kernel - Re: problems with latest smbfs changes on 2.4.34 and security backports

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Message-ID: <20070119010040.GR16053@colo>
Date:	Thu, 18 Jan 2007 18:00:40 -0700
From:	dann frazier <dannf@...ian.org>
To:	Willy Tarreau <w@....eu>
Cc:	Santiago Garcia Mantinan <manty@...ian.org>,
	linux-kernel@...r.kernel.org, debian-kernel@...ts.debian.org
Subject: Re: problems with latest smbfs changes on 2.4.34 and security backports

On Wed, Jan 17, 2007 at 10:55:19PM +0100, Willy Tarreau wrote:
> @@ -505,8 +510,13 @@
>  		mnt->file_mode = (oldmnt->file_mode & S_IRWXUGO) | S_IFREG;
>  		mnt->dir_mode = (oldmnt->dir_mode & S_IRWXUGO) | S_IFDIR;
>  
> -		mnt->flags = (oldmnt->file_mode >> 9);
> +		mnt->flags = (oldmnt->file_mode >> 9) | SMB_MOUNT_UID |
> +			SMB_MOUNT_GID | SMB_MOUNT_FMODE | SMB_MOUNT_DMODE;
>  	} else {
> +		mnt->file_mode = mnt->dir_mode = S_IRWXU | S_IRGRP | S_IXGRP |
> +						S_IROTH | S_IXOTH | S_IFREG;
> +		mnt->dir_mode = mnt->dir_mode = S_IRWXU | S_IRGRP | S_IXGRP |
> +						S_IROTH | S_IXOTH | S_IFDIR;
>  		if (parse_options(mnt, raw_data))
>  			goto out_bad_option;
>  	}
> 
> 
> See above ? mnt->dir_mode being assigned 3 times. It still *seems* to do the
> expected thing like this but I wonder if the initial intent was
> exactly this.

Wow - sorry about that, that's certainly a cut & paste error. But the
end result appears to match current 2.6, which was the intent.

> Also, would not it be necessary to add "|S_IFLNK" to the file_mode ? Maybe
> what I say is stupid, but it's just a guess.

I really don't know the correct answer to that, I was merely copying
the 2.6 flags. 

[Still working on getting a 2.4 smbfs test system up...]

-- 
dann frazier

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