From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bruce Richardson <bruce.richardson@intel.com>
Subject: Re: [PATCH] usertools: replace unsafe input function
Date: Wed, 3 Apr 2019 14:30:10 +0100
Message-ID: <20190403133010.GB1309@bricha3-MOBL.ger.corp.intel.com>
References: <1553100181-32934-1-git-send-email-andrius.sirvys@intel.com>
 <7e3a6736-24bb-b235-0ce9-aae17ab5d4a0@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Andrius Sirvys <andrius.sirvys@intel.com>, dev@dpdk.org,
 Kevin Laatz <kevin.laatz@intel.com>, stable@dpdk.org, ciara.power@intel.com
To: "Burakov, Anatoly" <anatoly.burakov@intel.com>
Return-path: <dev-bounces@dpdk.org>
Content-Disposition: inline
In-Reply-To: <7e3a6736-24bb-b235-0ce9-aae17ab5d4a0@intel.com>
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On Wed, Apr 03, 2019 at 11:44:40AM +0100, Burakov, Anatoly wrote:
> On 20-Mar-19 4:43 PM, Andrius Sirvys wrote:
> > LGTM static code analysis tool reports that the function 'input' is
> > unsafe. Changed to use raw_input which then converts it using
> > ast.literal_eval() which is safe.
> > 
> > Fixes: d1b94da4a4e0 ("usertools: add client script for telemetry")
> > Cc: ciara.power@intel.com
> > 
> > Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
> > ---
> >   usertools/dpdk-telemetry-client.py | 4 ++--
> >   1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/usertools/dpdk-telemetry-client.py b/usertools/dpdk-telemetry-client.py
> > index ce0c7a9..c3ba77d 100755
> > --- a/usertools/dpdk-telemetry-client.py
> > +++ b/usertools/dpdk-telemetry-client.py
> > @@ -72,7 +72,7 @@ def requestMetrics(self): # Requests metrics for given client
> >       def repeatedlyRequestMetrics(self, sleep_time): # Recursively requests metrics for given client
> >           print("\nPlease enter the number of times you'd like to continuously request Metrics:")
> > -        n_requests = int(input("\n:"))
> > +        n_requests = int(ast.literal_eval(raw_input("\n:")))
> >           print("\033[F") #Removes the user input from screen, cleans it up
> >           print("\033[K")
> >           for i in range(n_requests):
> > @@ -87,7 +87,7 @@ def interactiveMenu(self, sleep_time): # Creates Interactive menu within the scr
> >               print("[3] Unregister client")
> >               try:
> > -                self.choice = int(input("\n:"))
> > +                self.choice = int(ast.literal_eval(raw_input("\n:")))
> >                   print("\033[F") #Removes the user input for screen, cleans it up
> >                   print("\033[K")
> >                   if self.choice == 1:
> > 
> 
> raw_input doesn't exist in Python 3.
> 
> Perhaps you should do this at the top of the script:
> 
> try:
>     raw_input  # Python 2
> except NameError:
>     raw_input = input  # Python 3
> 
> That way, all calls to raw_input will call the intended function.
> 

The suggested way in the python docs is a little different:

https://python-future.org/compatible_idioms.html#raw_input()