netdev - Re: [RFC PATCH 5/5] selinux: Add SCTP support

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Message-ID: <1509572049.2954.6.camel@btinternet.com>
Date:   Wed, 01 Nov 2017 21:34:09 +0000
From:   Richard Haines <richard_c_haines@...nternet.com>
To:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Cc:     selinux@...ho.nsa.gov, netdev@...r.kernel.org,
        linux-sctp@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [RFC PATCH 5/5] selinux: Add SCTP support

On Tue, 2017-10-31 at 15:16 -0200, Marcelo Ricardo Leitner wrote:
> On Tue, Oct 17, 2017 at 02:59:53PM +0100, Richard Haines wrote:
> > The SELinux SCTP implementation is explained in:
> > Documentation/security/SELinux-sctp.txt
> > 
> > Signed-off-by: Richard Haines <richard_c_haines@...nternet.com>
> > ---
> 
> ...
> > diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
> > index 33fd061..c3e9600 100644
> > --- a/security/selinux/hooks.c
> > +++ b/security/selinux/hooks.c
> 
> ...
> > @@ -4521,7 +4565,14 @@ static int selinux_socket_connect(struct
> > socket *sock, struct sockaddr *address,
> >  		unsigned short snum;
> >  		u32 sid, perm;
> >  
> > -		if (sk->sk_family == PF_INET) {
> > +		/* sctp_connectx(3) calls via
> > +		 *selinux_sctp_bind_connect() that validates
> > multiple
> > +		 * connect addresses. Because of this need to
> > check
> > +		 * address->sa_family as it is possible to have
> > +		 * sk->sk_family = PF_INET6 with addr->sa_family =
> > AF_INET.
> > +		 */
> > +		if (sk->sk_family == PF_INET ||
> > +					address->sa_family ==
> > AF_INET) {
> 
> Not sure which code style applies on this file but the if () above
> looks odd. At least, checkpatch.pl complained about it.
Changed to read:
		if (sk->sk_family == PF_INET ||
		    address->sa_family == AF_INET) {

> 
>   Marcelo
> --
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