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From: Ibtisam Tariq <ibtisam.tariq@emumba.com>
To: David Marchand <david.marchand@redhat.com>
Cc: "Kovacevic, Marko" <marko.kovacevic@intel.com>,
	 "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"Pattan, Reshma" <reshma.pattan@intel.com>,
	 "Mcnamara, John" <john.mcnamara@intel.com>,
	 Cristian Dumitrescu <cristian.dumitrescu@intel.com>,
	 "Singh, Jasvinder" <jasvinder.singh@intel.com>,
	"Xia, Chenbo" <chenbo.xia@intel.com>,
	 Maxime Coquelin <maxime.coquelin@redhat.com>,
	Xiaoyun Li <xiaoyun.li@intel.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 1/8] examples/fips_validation: enhance getopt_long usage
Date: Tue, 10 Nov 2020 14:03:08 +0500
Message-ID: <CA+8bGBtgOZFrW6Ym=Xnb0Eh1tcXygWqv2z_GmgyZ7Uduf_BcZg@mail.gmail.com> (raw)
In-Reply-To: <CAJFAV8zJ2PGFbf4Cj1McpXbnmhmjJ-xDwcKPy_hPFskh=UcD=A@mail.gmail.com>

Thanks for explaining. I got it.
I will submit the patches with new updates.

On Tue, Nov 10, 2020 at 1:23 PM David Marchand
<david.marchand@redhat.com> wrote:
>
> On Tue, Nov 10, 2020 at 7:10 AM Ibtisam Tariq <ibtisam.tariq@emumba.com> wrote:
> > IMHO, it cannot be moved to read_uint16 parser.
> > If we do, we can't verify that the user input value is greater than
> > UINT16 MAX or not on the overflow data.
> > > > +                       if (data_room_size == 0 ||
> > > > +                                       data_room_size > UINT16_MAX) {
> > > > +                               cryptodev_fips_validate_usage(prgname);
> > > > +                               return -EINVAL;
> > > > +                       }
> >
> > The temp variable:data_room_size is necessary to check the overflow of
> > the command line argument.
>
> The overflow check can go to a new read_uint16 parser, like what is
> done in other parsers in this example.
>
> int
> parser_read_uint32(uint32_t *value, char *p)
> {
>         uint64_t val = 0;
>         int ret = parser_read_uint64(&val, p);
>         if (ret < 0)
>                 return ret;
>         if (val > UINT32_MAX)
>                 return -EINVAL;
>         *value = val;
>         return 0;
> }
>
> The parser_read_uint16 caller can do any additional check, here test
> for 0 value.
>
>
> --
> David Marchand
>


-- 
- Ibtisam

      reply	other threads:[~2020-11-10  9:03 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 12:53 Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 2/8] examples/l3fwd-acl: " Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 3/8] examples/packet_ordering: " Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 4/8] examples/performance-thread/l3fwd-thread: " Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 5/8] examples/qos_sched: " Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 6/8] examples/vhost: " Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 7/8] examples/vhost_crypto: " Ibtisam Tariq
2020-10-29 12:53 ` [dpdk-dev] [PATCH 8/8] examples/tep_termination: " Ibtisam Tariq
2020-10-29 13:16   ` David Marchand
2020-11-02  8:18     ` Ibtisam Tariq
2020-10-29 22:07 ` [dpdk-dev] [PATCH 1/8] examples/fips_validation: " David Marchand
2020-11-02  8:32   ` Ibtisam Tariq
2020-11-04 10:00     ` Ibtisam Tariq
2020-11-05  8:59       ` David Marchand
2020-11-10  6:10         ` Ibtisam Tariq
2020-11-10  8:23           ` David Marchand
2020-11-10  9:03             ` Ibtisam Tariq [this message]

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