netdev - Re: [RFC iproute2-next 05/11] ip: nexthop: always parse attributes for printing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5bdcb047-4b25-1390-e04a-ada3e7bf1785@gmail.com>
Date:   Wed, 29 Sep 2021 21:37:57 -0600
From:   David Ahern <dsahern@...il.com>
To:     Nikolay Aleksandrov <razor@...ckwall.org>, netdev@...r.kernel.org
Cc:     roopa@...dia.com, donaldsharp72@...il.com, idosch@...sch.org,
        Nikolay Aleksandrov <nikolay@...dia.com>
Subject: Re: [RFC iproute2-next 05/11] ip: nexthop: always parse attributes
 for printing

On 9/29/21 9:28 AM, Nikolay Aleksandrov wrote:
> @@ -481,56 +457,61 @@ int print_nexthop(struct nlmsghdr *n, void *arg)
>  	if (filter.proto && filter.proto != nhm->nh_protocol)
>  		return 0;
>  
> -	parse_rtattr_flags(tb, NHA_MAX, RTM_NHA(nhm), len, NLA_F_NESTED);
> -
> +	err = parse_nexthop_rta(fp, nhm, len, &nhe);
> +	if (err) {
> +		close_json_object();
> +		fprintf(stderr, "Error parsing nexthop: %s\n", strerror(err));
> +		return -1;
> +	}

so you are doing that but in reverse order. Re-order the patches such
that existing code is refactored with the parse functions first.