RE: smsc_at crashes on non-numeric SMS destination

Alexander Malysh <[email protected]>
Newsgroups gmane.comp.mobile.kannel.devel
Message-ID <[email protected]>
Hi,

I meant replace tabs if you see it at modified place.
Please use: cvs -Nau to generate patches.

You patch applied to cvs. Thanks!

Thanks,
Alex

Andrija Petrovic wrote:

> Thanks,
> 
> I'm a newbie in the open source community and (obviously) still learning
> the coding etiquette.
> About the tabs<->spaces matter, my coding is already done with tabs
> converted to spaces, tabsize=4.
> In fact, it's the cvs diff -u command that generates the tabs in the patch
> file, not me...
> "My" lines (with the leading +) do not contain tabs.
> 
> Perhaps the
> --expand-tabs
> can be useful as an extra option in
> cvs diff -u
> command?
> 
> Anyway, here's the patch generated with
> cvs diff -u --expand-tabs,
> I believe it's ok now.
> 
> Regards,
> Andrija
> 
> 
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]On Behalf
> Of Alexander Malysh
> Sent: Wednesday, May 10, 2006 1:56 PM
> To: [email protected]
> Subject: Re: smsc_at crashes on non-numeric SMS destination
> 
> 
> Hi,
> 
> you patch looks good but please fix indentation...
> 
> Index: gateway/gw/smsc/smsc_at.c
> ===================================================================
> RCS file: /home/cvs/gateway/gw/smsc/smsc_at.c,v
> retrieving revision 1.29
> diff -u -b -B -u -r1.29 smsc_at.c
> --- gateway/gw/smsc/smsc_at.c   24 Apr 2006 21:32:01 -0000      1.29
> +++ gateway/gw/smsc/smsc_at.c   9 May 2006 12:03:22 -0000
> @@ -2649,13 +2649,20 @@
>                             );
> 
>      /* grab the digits from the MSISDN and encode as swapped semi-octets
>      */
> -    while (octstr_len(temp)) {
> +    while ((out)&&(octstr_len(temp))) {
> 
> kill extra '()' and put space between checks, while (out !+ NULL && ...)
> 
>         int digit1, digit2;
>         /* get the first two digit */
>         digit1 = octstr_get_char(temp,0) - 48;
> -       if ((digit2 = octstr_get_char(temp,1) - 48) < 0)
> +        digit2 = octstr_get_char(temp,1) - '0';
> +        if (digit2 < 0)
>             digit2 = 0x0F;
> +        if((digit1>=0)&&(digit1<16)&&(digit2<16)) {
> 
> ditto
> 
>         octstr_append_char(out, (digit2 << 4) | digit1);
> 
> if you at it, please kill tab and replace with spaces
> 
> +        }
> +        else {
> +            O_DESTROY(out);
> +            out = NULL;
> +        }
>         octstr_delete(temp, 0, 2);
> 
> ditto
> 
>      }
> 
> 
> 
> Andrija Petrovic wrote:
> 
>> smsc_at does not check the digits of the address field in the function
>> at2_format_address_field
>> So, if the recipient's address contains a non-numeric string (e.g. 'Info
>> Service'), and that's quite possible,
>> the octstr assertion crashes the bearerbox during octstr_append_char.
>>
>> Added sanity check on digits before calling the octstr_append_char.
>>
>> cheers,
>> Andrija
> 
> --
> Thanks,
> Alex

-- 
Thanks,
Alex
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